CN104727736B

CN104727736B - Gardens pruning ladder

Info

Publication number: CN104727736B
Application number: CN201510090933.9A
Authority: CN
Inventors: 徐毓艺; 其他发明人请求不公开姓名
Original assignee: Individual
Current assignee: Shi Dan
Priority date: 2015-03-01
Filing date: 2015-03-01
Publication date: 2016-08-24
Anticipated expiration: 2035-03-01
Also published as: CN104727736A

Abstract

A kind of gardens pruning ladder, porose seat is fixed on its chassis, removable pin connecting hole seat and sliding seat, lock bolt locking chassis and the angle of sliding seat, the male cone (strobilus masculinus) of column body coordinates with the inner conical surface of the taper hole of sliding seat or the taper hole of a following root post body and fixes, and taper hole is coordinated with lock pin by the annular lock groove on inner conical surface after coordinating with male cone (strobilus masculinus) and fixing and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked.It is fixed with the foot-operated of the folding that can draw in one end of the connector of column body in the both sides of the damaged surface of column body, is stained with skid-proof rubber in the bottom on chassis.The simple in construction of gardens pruning ladder, assemble and use very convenient, it is simple to carrying, during assembly and disassembly during use, need not instrument, the difficult problem uprightly climbed when solving the branch in gardener clipped gardens and stand, during climbing, the speed of assembling ladder is fast, safe and reliable, climbing is convenient；After using, dismantle, pack and convenient transportation.

Description

Gardens pruning ladder

Technical field

The present invention relates to a kind of gardens pruning uprightly climbed when the gardener clipped branch of garden management ladder.

Background technology

When the trees in gardens grow unnecessary branch, the gardener of management is essentially all to be hung on branch or stand on branch and cuts down branch or pollard, causes danger during pollard to happen occasionally, there is great potential safety hazard.Simultaneously for branch or trunk can't the weight of grantee and the high trees much than people that look have no idea to prune at all.

Summary of the invention

The purpose that the present invention relates to is to provide for a kind of being beneficial to carry, be easy to the gardens pruning ladder laying, assemble and climb and manufacture and method.

For achieving the above object, gardens pruning ladder of the present invention is the ladder of single column support type, and the pedestal of carrying ladder is chassis, and the cradle head of ladder is hole seat and the sliding seat of removable pin connection, the cylinder supporting ladder is column body, has foot-operated in the both sides of column body；Mainly include chassis, hole seat, removable pin, lock bolt, sliding seat, column body, male cone (strobilus masculinus), taper hole, inner conical surface, self-locking device；

Porose seat is fixed on described chassis, pin-and-hole and locking screw is had on the seat of hole, removable pin links together hole seat and sliding seat after the pin-and-hole of the pin-and-hole on the seat of hole and sliding seat bottom, and the screw end of the lock bolt exceeding locking screw after the locking screw on lock bolt advances through hole seat is pressed in the lower part locking sliding seat of sliding seat and the fit angle on chassis；The above of described sliding seat has taper hole, the inner conical surface of taper hole has annular lock groove, below taper hole or there is air gap position the inside, sliding seat is coordinated by the male cone (strobilus masculinus) of taper hole with column body lower end and fixes, and is exposing the locking head of male cone (strobilus masculinus) and the annular locking slot fit on inner conical surface after male cone (strobilus masculinus) and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked by the lock pin that is arranged in the locking hole of column bottom；Taper hole is had in the connection head end of column body upper end, annular lock groove is had on the inner conical surface of taper hole, below taper hole or there is air gap position the inside, the male cone (strobilus masculinus) of column body lower end inserts in the taper hole in the connector of a following root post body, coordinated by the male cone (strobilus masculinus) of taper hole with column body lower end and fix, and after male cone (strobilus masculinus), exposing the locking head of male cone (strobilus masculinus) and the annular locking slot fit on inner conical surface and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked by the lock pin that is arranged in the locking hole of column bottom；Be fixed with the foot-operated of the folding that can draw in one end of the connector of column body in the both sides of the damaged surface of column body, foot-operated on be cased with or be stained with skid-proof rubber.

Described column body has the lower end of male cone (strobilus masculinus) to insert in the taper hole in the middle part of sliding seat, or, column body has the lower end of male cone (strobilus masculinus) to insert in the taper hole in the connector of a following root post body upper end, annular lock groove is had to coordinate with the locking head of lock pin on inner conical surface, then the coordinating of locking inner conical surface and male cone (strobilus masculinus).

Described taper hole is tapered hole, has inner conical surface in taper hole.The described taper hole in sliding seat coordinates with the male cone (strobilus masculinus) of the lower end of column and fixes, and the taper hole on connector coordinates with the male cone (strobilus masculinus) of the lower end of another root post and fixes；Described taper hole is coordinated with the locking head of lock pin by the annular lock groove on inner conical surface after coordinating with male cone (strobilus masculinus) and fixing and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked.In order to enable taper hole and male cone (strobilus masculinus) close fit, the tapering of described taper hole is consistent with the tapering of male cone (strobilus masculinus).

Described self-locking device includes locking hole, lock pin, locking spring, force bearing disk, annular lock groove, described locking hole is the oblique surface wearing out the cylinder near male cone (strobilus masculinus) and the surface of male cone (strobilus masculinus) between surface and the male cone (strobilus masculinus) near the cylinder of male cone (strobilus masculinus), is horizontally installed with force bearing disk, locking spring and lock pin in locking hole；Described force bearing disk is fixed on the middle part of lock pin, is arranged on the middle part of locking hole；Described locking spring is arranged on the big part of the middle aperture of locking hole and is enclosed within the middle part of lock pin, on the jump ring of the part that one end withstands on force bearing disk, the other end withstands on the wall of the big part of the middle aperture of locking hole or the aperture of locking hole of one end of withstanding on the pin handle being fixed on lock pin is little；The middle part of described lock pin is each passed through connector or the inner conical surface of sliding seat and the lateral surfaces of sliding seat or the lateral surfaces of connector through locking spring, two ends, lock pin can slide in locking hole, and locking spring is pressed on force bearing disk and promotes the locking head of lock pin and annular locking slot fit to form locking；Annular lock groove is had to coordinate with the locking head of lock pin on described inner conical surface and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked.

Described chassis is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be fixed on hole seat, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber；Described chassis is for fixed hole seat, stabilizer column and support post and bears all wt that hole seat is born, and prevents the lower end of column body to be absorbed in earth；Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents chassis from sliding on the ground with ground resulting in friction.

Described hole seat is to support and the supporter of installation activity pin, and supporter has pin-and-hole and locking screw, and pin-and-hole is for installing and fix removable pin and bearing all wt that removable pin is born.

Near described locking screw pin-and-hole on the seat of hole, it is used for assembling lock bolt and purl screw can be rotated in locking screw, makes the screw end of lock bolt be pressed in the lower part locking sliding seat of sliding seat and the fit angle on chassis.

Described lock bolt is screw, can rotate in locking screw, produces friction and play locking effect when screw end contacts with the lower part of sliding seat.

Described removable pin is pivot pin or bolt, for connecting hole seat and sliding seat and bear all wt that sliding seat is born.

Described sliding seat is to connect seat, and lower part has horizontal pin-and-hole, and there is taper hole the upper end of upper part, has the annular lock groove of depression on the inner conical surface of taper hole, and there is air gap position below taper hole or the inside, and taper hole is the most through with air gap position；The center line of described pin-and-hole and the central axis of taper hole or close to vertical；Being connected with hole seat below by removable pin of sliding seat, it is connected with column above with taper hole；The all wt that described sliding seat is born for stabilizer column and support post and column.

Described column body is that one end has male cone (strobilus masculinus), the other end to have the cylinder of taper hole, and including connector and column two parts, being fixed with in the both sides of the damaged surface of column body can riding to the folding of one end of the connector of column body gathering；Described column body is connector and column is fixed together the entirety formed, or the entirety being inherently connected；Column does not has one end of male cone (strobilus masculinus) not have with connector one end of taper hole to be connected or is fixed together formation entirety.The end face of the upper end of described connector has taper hole, and there is air gap position the inside of taper hole, has the annular lock groove of depression on the inner conical surface of taper hole；There is male cone (strobilus masculinus) the lower end of described column, has locking hole between surface and the male cone (strobilus masculinus) near the cylinder of male cone (strobilus masculinus), the oblique surface wearing out the cylinder near male cone (strobilus masculinus) of locking hole and the surface of male cone (strobilus masculinus).

Described foot-operated include hanger, connecting pin and riding boogie board, hanger is integrally fixed at the connector having pin-and-hole on column body, connecting pin is to connect hanger and the pin of riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, being stained with skid-proof rubber on the surface of riding boogie board or be cased with antiskid glue sleeve on the surface of riding boogie board, the skid-proof rubber ridden plays and prevents the most anti-skidding foot-operated effect.

Described annular lock groove is the cannelure of the depression on the inner conical surface of the taper hole in sliding seat and the taper hole on column body, and cannelure is V-shaped groove, corresponding with the position of locking hole, and the one side near the oral area of taper hole is locking face；Described locking face is for coordinating with facing directly of locking head and produce locking effect；Described annular lock groove for allow lock pin locking head insert annular lock groove time without the concern for insert angle, coordinate and the locked inner conical surface posted and male cone (strobilus masculinus) with the locking head of lock pin, the most locked inner conical surface posted and male cone (strobilus masculinus), and then make connector and column body and sliding seat and column body fixation.

Described locking hole is the oblique surface wearing out the cylinder near male cone (strobilus masculinus) and the surface of male cone (strobilus masculinus) in one end of the male cone (strobilus masculinus) of column, the aperture that the aperture of the middle part for installing locking spring and force bearing disk is big, the two ends in hole are stretched out for the two ends of lock pin is little, corresponding with the position of annular lock groove；Force bearing disk, lock pin and locking spring are installed in locking hole, force bearing disk is arranged on the middle part of lock pin, locking spring is arranged between force bearing disk and locking hole, the pin handle of lock pin stretches out from the damaged surface of column body after the centre of locking spring passes, locking head stretches out rear and annular locking slot fit from male cone (strobilus masculinus), and lock pin can move in locking hole.

Described locking hole can also be single cavity, the housing of mating shapes with locking hole can also be inlaid with in single cavity, one end of the oblique damaged surface exposing column body or one end screw towards the damaged surface of column body connect or riveting or be welded on the damaged surface of column body, or connect with screw or riveting or the oblique locking hole that is welded in column body；The inside and outside two ends of described housing manufacture porose, lock pin, locking spring, force bearing disk are installed in housing, force bearing disk is arranged on the middle part of lock pin, locking spring is arranged between force bearing disk and housing, and the pin handle of lock pin stretches out from the hole of housing outer face after the centre of locking spring passes, locking head stretches out rear and annular locking slot fit from the hole of the inner face of housing.

Described lock pin includes locking head, middle part and pin handle three part, three parts are connected, lock pin passes the two ends of locking hole in being arranged on locking hole after, locking effect is produced with the annular locking slot fit in taper hole, the oblique damaged surface stretching out column of pin shank portion behind the oblique surface stretching out male cone (strobilus masculinus) of locking head；The leading section of described locking head be acute angle bevel, towards male cone (strobilus masculinus) cone the end one side be to face directly, inclined-plane, for allowing the oral area of taper hole of connector and inner conical surface oblique promotion locking head retreat, is faced directly for coordinating the locked male cone (strobilus masculinus) worked good and inner conical surface with the annular groove limit of facing directly of annular lock groove.

A projection on card that the solid or hollow centre at the middle part that described force bearing disk is integrally fixed on lock pin is porose or dish or pad, or lock pin, for accepting the thrust of locking spring；When described force bearing disk is solid or hollow card or dish or pad, it is fixed on the mid portion of lock pin.

Described locking spring is helical spring, is used for promoting the annular locking slot fit on the locking head of lock pin and male cone (strobilus masculinus) to complete automatic locking.

Described air gap position, in the inside of taper hole, is inserted during taper hole not inconsistent with the bottom of taper hole for the male cone (strobilus masculinus) end of column, it is simple to inner conical surface and the close fit of male cone (strobilus masculinus).

The inner conical surface of described taper hole is for coordinating with male cone (strobilus masculinus) and installing column body, realize sliding seat and column body is quickly fixing and column body is fixed with the quick of column body, it is beneficial to the quick assembling of column body and quick demolition, plays Fast Installation and the most fixing effect；And then make column body and connector and column body and sliding seat fixation respectively.

In order to increase connectivity robustness and the stability of ladder, improve the speed of installation and demolition, connection between described column body and sliding seat and column body and column body and fixing all use cone match, beneficially quick assembling and quick demolition；The male cone (strobilus masculinus) of column body, in the taper hole of sliding seat, is coordinated with lock pin by the annular lock groove on inner conical surface and pins and lock the male cone (strobilus masculinus) of column and do not loosen with coordinating of the inner conical surface of sliding seat；The male cone (strobilus masculinus) of column body, in the taper hole of connector, is coordinated with lock pin by the annular lock groove on inner conical surface and pins and lock the male cone (strobilus masculinus) of column and do not loosen with coordinating of the inner conical surface of connector.During assembling, inner conical surface and male cone (strobilus masculinus) are at the gravity born and press tighter and tighter under the effect of column body self gravitation and realize automatic fastening；During demolition, pull the pin handle of lock pin, after the locking head of lock pin front end exits the annular lock groove on inner conical surface, column body upwards one is lifted male cone (strobilus masculinus) and automatically will be separated with taper hole.

The conical surface includes inner conical surface and male cone (strobilus masculinus), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc forms with line segment；The described conical surface is the face of the square taper of nose part, or goes to the face of the cone of nose part.

In order to tilt ground on support post body, when chassis is arranged on smooth ground, the central axis of sliding seat is in chassis, it is ensured that the column body being arranged in sliding seat is vertical or near perpendicular to horizontal plane；When chassis is arranged on the ground of inclination, sliding seat can rotate certain angle around removable pin on chassis, it is ensured that the column body being arranged in sliding seat is vertical or near perpendicular to horizontal plane.

Use the hole seat that is fastened on chassis of removable pin and sliding seat, making sliding seat can rotate certain angle around removable pin on chassis, the column body being arranged in sliding seat remains perpendicular to the purpose of horizontal plane to reach to make chassis ensure that when being arranged on the ground of inclination.

In order to the assembling making gardens pruning ladder is quick, chassis, hole seat, removable pin be assembled in sliding seat together with overall or scattered parts.

In order to the inner conical surface worked good of locking and male cone (strobilus masculinus) do not loosen, described locking hole, lock pin, force bearing disk, locking spring and the annular lock groove composition locked inner conical surface worked good of locking system and male cone (strobilus masculinus).

In order to reduce cost and alleviate the weight of gardens pruning ladder, the support that the column body of described gardens pruning ladder uses the mode connected to be combined into list Zhi Duli with sliding seat and column body with column body, sliding seat and column body are hollow body or solid；Column body in the combination of ladder be individual layer or multilayer, chassis and sliding seat be individual layer in the combination of ladder.

In order to ensure that column body is perpendicular to horizontal plane all the time, using lock bolt to fix the angle angle of sliding seat and chassis by rotation forces sliding seat and hole seat generation frictional force, making chassis ensure that when being arranged on the ground of inclination, the column body being arranged in sliding seat remains is perpendicular to horizontal plane.

In order in use can Rapid Combination and facilitate pin to step on, described column body is combined into global facility with foot-operated, is beneficial to when using can quickly assemble combination；The described fixing employing pin ridden on column body connects fixing, rides and is merely able to draw in one end of connector on column body, makes pin step down in not landing downwards when riding upper.

The assemble method of gardens pruning ladder: during assembling, A, place chassis, hole seat, removable pin and the sliding seat fitted together on the ground, chassis on ground, sliding seat is above, again the lower end of the column having male cone (strobilus masculinus) is inserted in the taper hole of sliding seat, under the effect of self gravitation, the male cone (strobilus masculinus) of column and the inner conical surface of sliding seat naturally fits and are fixed, and the gravity depressed from column is the biggest, and inner conical surface and male cone (strobilus masculinus) are fitted the tightst and more firm；During the male cone (strobilus masculinus) of column inserts taper hole, during the inner conical surface position that locking head enters into, inclined-plane on inner conical surface oblique promotion locking head make locking head compression locking spring and outside oblique yielding, when the male cone (strobilus masculinus) of column contacts firm with the inner conical surface of the taper hole of sliding seat, locking head just enters the position of annular lock groove after slipping over the inner conical surface above annular lock groove smoothly, locking head enters in annular lock groove under the powered of locking spring, coordinated the inner conical surface of laminating by the locking face facing the annular lock groove with V-arrangement directly of locking head and male cone (strobilus masculinus) is locked can not retreat, complete column body and the fixing of sliding seat and locking.B, the upper end of the column body moving insertion sliding seat make uprights vertical in horizontal plane, the lock bolt being rotated further by the seat of hole compresses sliding seat, make sliding seat can not rotate around removable pin, then make all of column body in sliding seat all remain perpendicular to horizontal plane, and the angle allowing chassis and sliding seat be formed be completely fixed after keep constant.One end that another root post body has in the taper hole in C, the again connector on column body male cone (strobilus masculinus) again is inserted in the taper hole of connector, under the effect of self gravitation, the male cone (strobilus masculinus) of column and the inner conical surface of connector are naturally fitted and are fixed, and the gravity of pressure is the biggest from column body, inner conical surface and male cone (strobilus masculinus) are fitted the tightst and more firm；During the male cone (strobilus masculinus) of column inserts taper hole, during the inner conical surface position that locking head enters into, inclined-plane on inner conical surface oblique promotion locking head make locking head compression locking spring and outside oblique yielding, when the male cone (strobilus masculinus) of column contacts firm with the inner conical surface of the taper hole of connector, locking head just enters the position of annular lock groove after slipping over the inner conical surface above annular lock groove smoothly, locking head enters in annular lock groove under the powered of locking spring, coordinated the inner conical surface of laminating by the locking face facing the annular lock groove with V-arrangement directly of locking head and male cone (strobilus masculinus) is locked can not retreat；When D, the column body composition of employing multilayer prune gardens special-purpose ladder, repeat step C in the taper hole of column body upper end again insertable into the male cone (strobilus masculinus) of column, afterwards, during the male cone (strobilus masculinus) of column body can be inserted the taper hole of a following root post body by method again according to this, complete the connection between column body and column body and fix and locking.Column body is very convenient with the assembling of column body with sliding seat and column body, it is not necessary to any instrument just can complete.

The method for dismounting of gardens pruning ladder: during the column body of dismountable, pull the pin handle of lock pin, after the locking head of lock pin front end exits the annular lock groove on inner conical surface, column body upwards one is drawn or one lifts and automatically will separate with the taper hole in the connector of a following root post body, and the male cone (strobilus masculinus) of column body will separate automatically with the taper hole of the connector of a following root post body.During the column body fixed in dismounting sliding seat, pull the pin handle of lock pin, after the locking head of lock pin front end exits the annular lock groove on male cone (strobilus masculinus), column body upwards one being drawn or one lifts and automatically will separate with the taper hole of sliding seat, column body will separate automatically with sliding seat.Column body is very convenient with the dismounting of column body with sliding seat and column body, it is not necessary to any instrument just can complete.

Gardener is when arranging gardens, run into when having trees to need pollard, first the chassis fitted together, hole seat, removable pin and sliding seat are placed on the ground, after sliding seat is plugged the first root post body, the upper end moving the column body inserting sliding seat makes uprights vertical in horizontal plane, screw lock bolt again and compress sliding seat, make sliding seat can not rotate around removable pin, then make all of column in sliding seat all remain perpendicular to horizontal plane；Again the column body needing height is taken with oneself, pin steps down in riding on column body and climbs up, can climb one section assemble again one section with foot-operated column body, when climbing to the top of ladder during cat ladder, climb up again after being inserted into a root post body in superincumbent taper hole.When having pruned descending stair after branch, pin steps down in and down climbs on foot-operated, and next section tears a root post body open, very convenient.

The manufacture method of described gardens pruning ladder, it is characterised in that:

During fabrication, gardens pruning ladder creates the ladder of single column support type, and chassis, hole seat, sliding seat and column body use aluminium alloy or the plastics manufacture of titanium alloy or carbon alloy or glass-reinforced plastic material or high intensity of light weight, create hollow body or solid；Lock pin uses metal material or the plastics manufacture of glass-reinforced plastic material or high intensity.

Described chassis creates dish type or bar shaped cross-like, the middle part of dish type or or the middle part of bar shaped cross-like on fix porose seat, the middle part of dish type or or the pars intermedia of bar shaped cross-like below fixing or be stained with skid-proof rubber.

Described hole seat creates and supports and the supporter of installation activity pin, and supporter manufactures pin-and-hole and locking screw.

Described locking screw manufactures near the pin-and-hole on the seat of hole, is equipped with lock bolt in locking screw.

Described lock bolt creates screw, can rotate in locking screw.

Described chassis and hole seat create an entirety, or separately manufactured after be fixed together one entirety of formation.

Removable pin creates pivot pin or bolt, is fixed on the seat of hole and is connected with sliding seat.

Described sliding seat creates connection seat, lower part manufacture has horizontal pin-and-hole, the upper end of upper part manufactures taper hole, internal taper hole creates tapered hole, the inner conical surface of taper hole manufactures and has the annular lock groove of depression, below taper hole or the inside manufacture have air gap position, taper hole is the most through with air gap position；The center line of described pin-and-hole and the central axis of taper hole or close to vertical；Being connected with hole seat below by removable pin of sliding seat, it is connected with column body above with taper hole and locking bar and fixes.

Described chassis, hole seat, removable pin and sliding seat are assembled into a single entirety, are beneficial to quickly assemble gardens pruning ladder.

Described column system causes cylinder, and creating to be fixed together after column and connector two parts, column and connector two parts create an entirety or manufacture respectively becomes an entirety；The pin using pin to be fixedly connected with the folding that can draw in one end of the connector of column body in the both sides of the damaged surface of column body is stepped on, manufacture in the lower end of the column of column body and have male cone (strobilus masculinus), manufacture between the surface of male cone (strobilus masculinus) and the cylinder of close male cone (strobilus masculinus) and have oblique locking hole, the oblique surface wearing out male cone (strobilus masculinus) of locking hole and the surface of the cylinder near male cone (strobilus masculinus)；Manufacturing in the end of the upper end of the connector of column body has taper hole, taper hole to create tapered hole, and below taper hole, manufacture has air gap position, and manufacturing on the inner conical surface of taper hole has the annular lock groove of depression.

Described foot-operated create hanger, connecting pin and riding boogie board three part, hanger creates the pedestal being fixed on column body, connecting pin creates connection hanger and the pin of riding boogie board, riding boogie board creates the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber on the surface of riding boogie board or is cased with antiskid glue sleeve on the surface of riding boogie board.

Described air gap position, in the inside of taper hole, is inserted in the male cone (strobilus masculinus) end of column during taper hole not inconsistent with the bottom of taper hole, is made the close fit of inner conical surface and male cone (strobilus masculinus).

Described locking hole manufacture has one end of male cone (strobilus masculinus) at column body, manufactures the oblique surface wearing out the cylinder near male cone (strobilus masculinus) and the surface of male cone (strobilus masculinus) in one end of the male cone (strobilus masculinus) of column；The aperture that the part that the centre of locking hole is big for the aperture installing the part manufacture of locking spring and force bearing disk, the two ends in hole are stretched out for the two ends of lock pin manufactures is little, corresponding with the position of annular lock groove；Force bearing disk, lock pin and locking spring are installed in locking hole, force bearing disk is arranged on the middle part of lock pin, locking spring is arranged between force bearing disk and locking hole, and the pin handle of lock pin stretches out from the damaged surface of column body after the centre of locking spring passes, locking head stretches out rear and annular locking slot fit from male cone (strobilus masculinus).

Described locking hole separately fabricated can also become cavity, the housing of mating shapes with locking hole can also be inlaid with in separately fabricated cavity, one end of the oblique damaged surface exposing column body or one end screw towards the damaged surface of column body connect or riveting or be welded on the damaged surface of column body, or connect with screw or in riveting or the oblique locking hole that is welded in column；The inside and outside two ends of described housing manufacture porose, lock pin, locking spring, force bearing disk are installed in housing, force bearing disk is arranged on the middle part of lock pin, locking spring is arranged between force bearing disk and housing, and the pin handle of lock pin stretches out from the hole of housing outer face after the centre of locking spring passes, locking head stretches out rear and annular locking slot fit from the hole of the inner face of housing.

On described annular lock groove manufacture taper hole in sliding seat and the inner conical surface of the taper hole on column body, creating the V-shaped groove of annular, the one side near the oral area of taper hole creates locking face, corresponding with the position of locking hole.

Described lock pin creates locking head, middle part and pin handle three part, three parts create one, lock pin passes the two ends of locking hole in being arranged on locking hole after, locking effect is produced with the annular locking slot fit in taper hole, the oblique damaged surface stretching out column of pin shank portion behind the oblique surface stretching out male cone (strobilus masculinus) of locking head；The leading section of described locking head creates acute angle bevel, one side towards the cone end of male cone (strobilus masculinus) creates and faces directly.

Force bearing disk creates middle porose solid or hollow card or dish or pad, or creates a projection on lock pin；When described force bearing disk creates solid or hollow card or dish or pad, it is fixed on the middle part of lock pin.

Locking spring creates helical spring.

The support that the column body of described gardens pruning ladder uses the mode connected to be combined into list Zhi Duli with sliding seat and column body with column body, column body and sliding seat and column body and the connection of column body and fixing all use cone match, the conical surface creates inner conical surface and male cone (strobilus masculinus), inner conical surface and male cone (strobilus masculinus) create the taper surface of point, the cross section of the conical surface creates the polygonal conical surface, or creates the conical surface of circle or circular arc.

The consistent tapering that the tapering that the tapering of described taper hole coordinates with male cone (strobilus masculinus) creates.

Porose seat is fixed on described chassis, removable pin connecting hole seat and sliding seat, the taper hole of described sliding seat coordinates with the male cone (strobilus masculinus) of the lower end of column body and fixes, the male cone (strobilus masculinus) of column body coordinates with the inner conical surface of the taper hole of a following root post body and fixes, and taper hole is coordinated with lock pin by the annular lock groove on inner conical surface after coordinating with male cone (strobilus masculinus) and fixing and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked.It is fixed with the foot-operated of the folding that can draw in one end of the connector of column body in the both sides of the damaged surface of column body, is stained with skid-proof rubber in the bottom on chassis.Locking hole is had manufacturing between damaged surface and the male cone (strobilus masculinus) of male cone (strobilus masculinus)；Force bearing disk, locking spring and lock pin are installed in locking hole, force bearing disk is fixed on the middle part of lock pin, the pin shank portion of lock pin stretches out from the surface of male cone (strobilus masculinus) near the damaged surface of column, locking head to stretching out through retreading from the central part of locking spring, and one end of locking spring is pressed on force bearing disk, the other end withstands on locking hole.

The simple in construction of gardens pruning of the present invention ladder, manufacture, assemble and use very convenient, it is easy to carry, instrument is need not during assembly and disassembly during use, the difficult problem uprightly climbed when solving the branch in gardener clipped gardens and stand, during climbing, the speed of assembling ladder is fast, safe and reliable, climbing is convenient；After using, dismantle, pack and convenient transportation.

Accompanying drawing explanation

Fig. 1 is the package assembly schematic diagram of gardens pruning ladder.

Fig. 2 is the structural representation of column body.

Fig. 3 is the sectional structure schematic diagram of sliding seat.

Fig. 4 is the schematic appearance of the top view of sliding seat.

Fig. 5 is chassis and hole seat and the schematic appearance of the combining structure of sliding seat.

Shown in figure: sliding seat 1, column 2, connector 3, air gap position 4, locking hole 5, lock pin 6, force bearing disk 7, locking spring 8, annular lock groove 9, male cone (strobilus masculinus) 10, inner conical surface 11, taper hole 12, foot-operated 13, pin-and-hole 14, removable pin 15, chassis 16, hole seat 17, lock bolt 18.

Detailed description of the invention

Gardens pruning ladder of the present invention is the ladder of single column support type, and the pedestal of carrying ladder is chassis, and the cradle head of ladder is hole seat and the sliding seat of removable pin connection, and the cylinder supporting ladder is column body, has foot-operated 13 in the both sides of column body；Gardens pruning ladder mainly includes chassis 16, hole seat 17, removable pin 15, lock bolt 18, sliding seat 1, column body, male cone (strobilus masculinus) 10, taper hole 12, inner conical surface 11, self-locking device；

Porose seat 17 is fixed on described chassis 16, pin-and-hole 14 and locking screw is had on hole seat 17, removable pin 15 links together hole seat 17 and sliding seat 1 after the pin-and-hole 14 of the pin-and-hole 14 on hole seat 17 and sliding seat 1 bottom, and the screw end of the lock bolt 18 exceeding locking screw after the locking screw on lock bolt 18 advances through hole seat 17 is pressed in the lower part locking sliding seat 1 of sliding seat 1 and the fit angle on chassis 16；The above of described sliding seat 1 has taper hole 12, the inner conical surface 11 of taper hole 12 has annular lock groove 9, below taper hole 12 or there is air gap position 4 the inside, sliding seat 1 is coordinated by the male cone (strobilus masculinus) 10 of taper hole 12 with column body lower end and fixes, and is coordinated with the annular lock groove 9 on inner conical surface 11 and the inner conical surface 11 and male cone (strobilus masculinus) 10 that post of being automatically locked exposing the locking head of male cone (strobilus masculinus) 10 after male cone (strobilus masculinus) 10 by the lock pin 6 that is arranged in the locking hole 5 of column 2 bottom；Taper hole 12 is had in connector 3 end of column body upper end, annular lock groove 9 is had on the inner conical surface 11 of taper hole 12, below taper hole 12 or there is air gap position 4 the inside, the male cone (strobilus masculinus) 10 of column body lower end inserts in the taper hole 12 in the connector 3 of a following root post body, coordinated by the male cone (strobilus masculinus) 10 of taper hole 12 with column body lower end and fix, and coordinated with the annular lock groove 9 on inner conical surface 11 and the inner conical surface 11 and male cone (strobilus masculinus) 10 that post of being automatically locked exposing the locking head of male cone (strobilus masculinus) 10 after male cone (strobilus masculinus) 10 by the lock pin 6 that is arranged in the locking hole 5 of column 2 bottom；It is fixed with foot-operated the 13 of the folding that can draw in one end of the connector 3 of column body in the both sides of the damaged surface of column body, is cased with on foot-operated 13 or is stained with skid-proof rubber.

Described column body has the lower end of male cone (strobilus masculinus) 10 to insert in the taper hole 12 in the middle part of sliding seat 1, or, column body has the lower end of male cone (strobilus masculinus) 10 to insert in the taper hole 12 in the connector 3 of a following root post body upper end, annular lock groove 9 is had to coordinate with the locking head of lock pin 6 on inner conical surface 11, then the coordinating of locking inner conical surface 11 and male cone (strobilus masculinus) 10.

Described taper hole 12 is tapered hole, has inner conical surface 11 in taper hole 12.The described taper hole 12 in sliding seat 1 coordinates with the male cone (strobilus masculinus) 10 of the lower end of column 2 and fixes, and the taper hole 12 on connector 3 coordinates with the male cone (strobilus masculinus) 10 of the lower end of another root post 2 and fixes；Described taper hole 12 is coordinated with the locking head of lock pin 6 by the annular lock groove 9 on inner conical surface 11 after coordinating with male cone (strobilus masculinus) 10 and fixing and the inner conical surface 11 and male cone (strobilus masculinus) 10 that post of being automatically locked.In order to make taper hole 12 and male cone (strobilus masculinus) 10 can close fit, the tapering of described taper hole 12 is consistent with the tapering of male cone (strobilus masculinus) 10.

Described self-locking device includes locking hole 5, lock pin 6, locking spring 8, force bearing disk 7, annular lock groove 9, described locking hole 5 is the oblique surface wearing out the cylinder near male cone (strobilus masculinus) 10 and the surface of male cone (strobilus masculinus) 10 between surface and the male cone (strobilus masculinus) 10 near the cylinder of male cone (strobilus masculinus) 10, is horizontally installed with force bearing disk 7, locking spring 8 and lock pin 6 in locking hole 5；Described force bearing disk 7 is fixed on the middle part of lock pin 6, is arranged on the middle part of locking hole 5；Described locking spring 8 is arranged on the big part of the middle aperture of locking hole 5 and is enclosed within the middle part of lock pin 6, on the jump ring of the part that one end withstands on force bearing disk 7, the other end withstands on the wall of the big part of the middle aperture of locking hole 5 or the aperture of locking hole 5 of one end of withstanding on the pin handle being fixed on lock pin 6 is little；The middle part of described lock pin 6 is each passed through the inner conical surface 11 of connector 3 or sliding seat 1 and the lateral surfaces of sliding seat 1 or the lateral surfaces of connector 3 through locking spring 8, two ends, lock pin 6 can slide in locking hole 5, and locking spring 8 is pressed on force bearing disk 7 the locking head promoting lock pin 6 and coordinates with annular lock groove 9 and form locking；Annular lock groove 9 is had to coordinate with the locking head of lock pin 6 on described inner conical surface 11 and the inner conical surface 11 and male cone (strobilus masculinus) 10 that post of being automatically locked.

Described chassis 16 is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be fixed on hole seat 17, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber；The all wt that hole seat 17 is born for fixed hole seat 17, stabilizer column 2 and support post 2 and is born in described chassis 16, prevents the lower end of column body to be absorbed in earth；Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents chassis 16 from sliding on the ground with ground resulting in friction.

Described hole seat 17 is to support and the supporter of installation activity pin 15, and supporter has pin-and-hole 14 and locking screw, and pin-and-hole 14 is for installing and fix removable pin 15 and bearing all wt that removable pin 15 is born.

Near described locking screw pin-and-hole 14 on hole seat 17, for assembling lock bolt 18 and purl screw can be rotated in locking screw, the screw end of lock bolt 18 is made to be pressed in the lower part locking sliding seat 1 of sliding seat 1 and the fit angle on chassis 16.

Described lock bolt 18 is screw, can rotate in locking screw, produces friction and play locking effect when screw end contacts with the lower part of sliding seat 1.

Described removable pin 15 is pivot pin or bolt, for connecting hole seat 17 and sliding seat 1 and bear all wt that sliding seat 1 is born.

Described sliding seat 1 is to connect seat, having horizontal pin-and-hole 14 on lower part, there is taper hole 12 upper end of upper part, has the annular lock groove 9 of depression on the inner conical surface 11 of taper hole 12, there is air gap position 4 below taper hole 12 or the inside, and taper hole 12 is the most through with air gap position 4；The center line of described pin-and-hole 14 and the central axis of taper hole 12 or close to vertical；Being connected with hole seat 17 below by removable pin 15 of sliding seat 1, it is connected with column 2 above with taper hole 12；The all wt that described sliding seat 1 is born for stabilizer column 2 and support post 2 and column 2.

Described column body is that one end has male cone (strobilus masculinus) 10, the other end to have the cylinder of taper hole 12, including connector 3 and column 2 two parts, is fixed with foot-operated the 13 of the folding that can draw in one end of the connector 3 of column body in the both sides of the damaged surface of column body；Described column body is connector 3 and column 2 is fixed together the entirety formed, or the entirety being inherently connected；Column 2 does not has one end of male cone (strobilus masculinus) 10 not have one end of taper hole 12 to be connected with connector 3 or is fixed together formation entirety.The end face of the upper end of described connector 3 has taper hole 12, the inside of taper hole 12 to have air gap position 4, has the annular lock groove 9 of depression on the inner conical surface 11 of taper hole 12；There is male cone (strobilus masculinus) 10 lower end of described column 2, has locking hole 5 between surface and the male cone (strobilus masculinus) 10 near the cylinder of male cone (strobilus masculinus) 10, the oblique surface wearing out the cylinder near male cone (strobilus masculinus) 10 of locking hole 5 and the surface of male cone (strobilus masculinus) 10.

Described foot-operated 13 include hanger, connecting pin and riding boogie board, hanger is integrally fixed at the connector having pin-and-hole 14 on column body, connecting pin is to connect hanger and the pin of riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, being stained with skid-proof rubber on the surface of riding boogie board or be cased with antiskid glue sleeve on the surface of riding boogie board, the skid-proof rubber on foot-operated 13 plays and prevents foot-operated 13 the most anti-skidding effects.

Described annular lock groove 9 is the cannelure of the depression on the inner conical surface 11 of the taper hole 12 in sliding seat 1 and the taper hole 12 on column body, and cannelure is V-shaped groove, corresponding with the position of locking hole 5, and the one side near the oral area of taper hole 12 is locking face；Described locking face is for coordinating with facing directly of locking head and produce locking effect；Without the concern for the angle inserted when described annular lock groove 9 is for allowing the locking head of lock pin 6 insert annular lock groove 9, coordinate and the locked inner conical surface 11 posted and male cone (strobilus masculinus) 10 with the locking head of lock pin 6, the most locked inner conical surface 11 posted and male cone (strobilus masculinus) 10, and then make connector 3 and column body and sliding seat 1 and column body fixation.

Described locking hole 5 is the oblique surface wearing out the cylinder near male cone (strobilus masculinus) 10 and the surface of male cone (strobilus masculinus) 10 in one end of the male cone (strobilus masculinus) 10 of column 2, the aperture that the aperture of the middle part for installing locking spring 8 and force bearing disk 7 is big, the two ends in hole are stretched out for the two ends of lock pin 6 is little, corresponding with the position of annular lock groove 9；Force bearing disk 7, lock pin 6 and locking spring 8 are installed in locking hole 5, force bearing disk 7 is arranged on the middle part of lock pin 6, locking spring 8 is arranged between force bearing disk 7 and locking hole 5, the pin handle of lock pin 6 stretches out from the damaged surface of column body after the centre of locking spring 8 passes, locking head coordinates with annular lock groove 9 after male cone (strobilus masculinus) 10 stretches out, and lock pin 6 can move in locking hole 5.

Described locking hole 5 can also be single cavity, the housing of mating shapes with locking hole 5 can also be inlaid with in single cavity, one end of the oblique damaged surface exposing column body or one end screw towards the damaged surface of column body connect or riveting or be welded on the damaged surface of column body, or connect with screw or riveting or the oblique locking hole 5 that is welded in column body；The inside and outside two ends of described housing manufacture porose, lock pin 6, locking spring 8, force bearing disk 7 are installed in housing, force bearing disk 7 is arranged on the middle part of lock pin 6, locking spring 8 is arranged between force bearing disk 7 and housing, and the pin handle of lock pin 6 stretches out from the hole of housing outer face after the centre of locking spring 8 passes, locking head coordinates with annular lock groove 9 after stretching out from the hole of the inner face of housing.

Described lock pin 6 includes locking head, middle part and pin handle three part, three parts are connected, lock pin 6 passes the two ends of locking hole 5 in being arranged on locking hole 5 after, coordinate with the annular lock groove 9 in taper hole 12 behind the oblique surface stretching out male cone (strobilus masculinus) 10 of locking head and produce locking effect, the oblique damaged surface stretching out column 2 of pin shank portion；The leading section of described locking head be acute angle bevel, towards male cone (strobilus masculinus) 10 cone the end one side be to face directly, inclined-plane, for allowing the oral area of taper hole 12 of connector 3 and inner conical surface 11 oblique promotion locking head retreat, is faced directly and is coordinated the locked male cone (strobilus masculinus) 10 worked good and inner conical surface 11 for the annular groove limit of facing directly with annular lock groove 9.

A projection on card that the solid or hollow centre at the middle part that described force bearing disk 7 is integrally fixed on lock pin 6 is porose or dish or pad, or lock pin 6, for accepting the thrust of locking spring 8；When described force bearing disk 7 is solid or hollow card or dish or pad, it is fixed on the mid portion of lock pin 6.

Described locking spring 8 is helical spring, for promoting the locking head of lock pin 6 to coordinate with the annular lock groove 9 on male cone (strobilus masculinus) 10 and complete automatic locking.

Described air gap position 4, in the inside of taper hole 12, is inserted during taper hole 12 not inconsistent with the bottom of taper hole 12 for male cone (strobilus masculinus) 10 end of column 2, it is simple to inner conical surface 11 and the close fit of male cone (strobilus masculinus) 10.

The inner conical surface 11 of described taper hole 12 is for coordinating with male cone (strobilus masculinus) 10 and installing column body, realize sliding seat 1 and column body is quickly fixing and column body is fixed with the quick of column body, it is beneficial to the quick assembling of column body and quick demolition, plays Fast Installation and the most fixing effect；And then make column body and connector 3 and column body and sliding seat 1 fixation respectively.

In order to increase connectivity robustness and the stability of ladder, improve the speed of installation and demolition, connection between described column body and sliding seat 1 and column body and column body and fixing all use cone match, beneficially quick assembling and quick demolition；The male cone (strobilus masculinus) 10 of column body, in the taper hole 12 of sliding seat 1, is coordinated with lock pin 6 by the annular lock groove 9 on inner conical surface 11 and not the loosening coordinating of inner conical surface 11 of the male cone (strobilus masculinus) 10 and sliding seat 1 that pin and lock column 2；The male cone (strobilus masculinus) 10 of column body, in the taper hole 12 of connector 3, is coordinated with lock pin 6 by the annular lock groove 9 on inner conical surface 11 and not the loosening coordinating of inner conical surface 11 of the male cone (strobilus masculinus) 10 and connector 3 that pin and lock column 2.During assembling, inner conical surface 11 and male cone (strobilus masculinus) 10 are at the gravity born and press tighter and tighter under the effect of column body self gravitation and realize automatic fastening；During demolition, pull the pin handle of lock pin 6, after the locking head of lock pin 6 front end exits the annular lock groove 9 on inner conical surface 11, column body upwards one is lifted male cone (strobilus masculinus) 10 and automatically will be separated with taper hole 12.

The conical surface includes inner conical surface 11 and male cone (strobilus masculinus) 10, and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc forms with line segment；The described conical surface is the face of the square taper of nose part, or goes to the face of the cone of nose part.

In order to tilt ground on support post body, when chassis 16 is arranged on smooth ground, the central axis of sliding seat 1 is in chassis 16, it is ensured that the column body being arranged in sliding seat 1 is vertical or near perpendicular to horizontal plane；When chassis 16 is arranged on the ground of inclination, sliding seat 1 can rotate certain angle around removable pin 15 on chassis 16, it is ensured that the column body being arranged in sliding seat 1 is vertical or near perpendicular to horizontal plane.

Use the hole seat 17 that is fastened on chassis 16 of removable pin 15 and sliding seat 1, making sliding seat 1 can rotate certain angle around removable pin 15 on chassis 16, the column body being arranged in sliding seat 1 remains perpendicular to the purpose of horizontal plane to reach to make chassis 16 ensure that when being arranged on the ground of inclination.

In order to the assembling making gardens pruning ladder is quick, chassis 16, hole seat 17, removable pin 15 be assembled in sliding seat 1 together with overall or scattered parts.

In order to the inner conical surface 11 worked good of locking and male cone (strobilus masculinus) 10 do not loosen, described locking hole 5, lock pin 6, force bearing disk 7, locking spring 8 and annular lock groove 9 form the locked inner conical surface 11 worked good of locking system and male cone (strobilus masculinus) 10.

In order to reduce cost and alleviate the weight of gardens pruning ladder, the support that the column body of described gardens pruning ladder uses the mode connected to be combined into list Zhi Duli with sliding seat 1 and column body with column body, sliding seat 1 and column body are hollow body or solid；Column body is individual layer or multilayer in the combination of ladder, and chassis 16 and sliding seat 1 are individual layer in the combination of ladder.

In order to ensure that column body is perpendicular to horizontal plane all the time, using lock bolt 18 to produce frictional force by rotation forces sliding seat 1 and hole seat 17 and fix the angle angle of sliding seat 1 and chassis 16, making chassis 16 ensure that when being arranged on the ground of inclination, the column body being arranged in sliding seat 1 remains is perpendicular to horizontal plane.

In order in use can Rapid Combination and facilitate pin to step on, described column body is combined into global facility with foot-operated 13, is beneficial to when using can quickly assemble combination；Described foot-operated 13 fixing employing pin on column body connects fixing, and foot-operated 13 are merely able to draw in one end of connector 3 on column body, not landing downwards when making pin step down on foot-operated 13.

The assemble method of gardens pruning ladder: during assembling, A, place chassis 16, hole seat 17, removable pin 15 and the sliding seat 1 fitted together on the ground, chassis 16 on ground, sliding seat 1 is above, again the lower end of the column 2 having male cone (strobilus masculinus) 10 is inserted in the taper hole 12 of sliding seat 1, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of column 2 is naturally fitted with the inner conical surface 11 of sliding seat 1 and is fixed, and the gravity of pressure is the biggest from column 2, inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted the tightst and more firm；During the male cone (strobilus masculinus) 10 of column 2 inserts taper hole 12, during inner conical surface 11 position that locking head enters into, inclined-plane on inner conical surface 11 oblique promotion locking head make locking head compression locking spring 8 and outside oblique yielding, when the male cone (strobilus masculinus) 10 of column 2 contacts firm with the inner conical surface 11 of the taper hole 12 of sliding seat 1, locking head just enters the position of annular lock groove 9 after slipping over annular lock groove 9 inner conical surface 11 above smoothly, locking head enters in annular lock groove 9 under the powered of locking spring 8, coordinated the inner conical surface 11 of laminating by the locking face facing the annular lock groove 9 with V-arrangement directly of locking head and male cone (strobilus masculinus) 10 is locked can not retreat, complete column body and the fixing of sliding seat 1 and locking.B, the upper end of the column body moving insertion sliding seat 1 make column 2 be perpendicular to horizontal plane, lock bolt 18 on removable pin 15 compresses sliding seat 1 again, make sliding seat 1 can not rotate around removable pin 15, then make all of column body in sliding seat 1 all remain perpendicular to horizontal plane, and the angle allowing chassis 16 and sliding seat 1 be formed be completely fixed after keep constant.One end that another root post body has in the taper hole 12 in C, the again connector 3 on column body male cone (strobilus masculinus) 10 again is inserted in the taper hole 12 of connector 3, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of column 2 is naturally fitted with the inner conical surface 11 of connector 3 and is fixed, and the gravity of pressure is the biggest from column body, inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted the tightst and more firm；During the male cone (strobilus masculinus) 10 of column 2 inserts taper hole 12, during inner conical surface 11 position that locking head enters into, inclined-plane on inner conical surface 11 oblique promotion locking head make locking head compression locking spring 8 and outside oblique yielding, when the male cone (strobilus masculinus) 10 of column 2 contacts firm with the inner conical surface 11 of the taper hole 12 of connector 3, locking head just enters the position of annular lock groove 9 after slipping over annular lock groove 9 inner conical surface 11 above smoothly, locking head enters in annular lock groove 9 under the powered of locking spring 8, coordinated the inner conical surface 11 of laminating by the locking face facing the annular lock groove 9 with V-arrangement directly of locking head and male cone (strobilus masculinus) 10 is locked can not retreat；When D, the column body composition of employing multilayer prune gardens special-purpose ladder, repeat step C in the taper hole 12 of column body upper end again insertable into the male cone (strobilus masculinus) 10 of column 2, afterwards, during the male cone (strobilus masculinus) 10 of column body can be inserted the taper hole 12 of a following root post body by method again according to this, complete the connection between column body and column body and fix and locking.Column body is very convenient with the assembling of column body with sliding seat 1 and column body, it is not necessary to any instrument just can complete.

The method for dismounting of gardens pruning ladder: during the column body of dismountable, pull the pin handle of lock pin 6, after the locking head of lock pin 6 front end exits the annular lock groove 9 on inner conical surface 11, column body upwards one is drawn or one lifts and automatically will separate with the taper hole 12 in the connector 3 of a following root post body, and the male cone (strobilus masculinus) 10 of column body will separate automatically with the taper hole 12 of the connector 3 of a following root post body.During the column body fixed in dismounting sliding seat 1, pull the pin handle of lock pin 6, after the locking head of lock pin 6 front end exits the annular lock groove 9 on male cone (strobilus masculinus) 10, column body upwards one being drawn or one lifts and automatically will separate with the taper hole 12 of sliding seat 1, column body will separate automatically with sliding seat 1.Column body is very convenient with the dismounting of column body with sliding seat 1 and column body, it is not necessary to any instrument just can complete.

Gardener is when arranging gardens, run into when having trees to need pollard, first the chassis 16 fitted together, hole seat 17, removable pin 15 and sliding seat 1 are placed on the ground, after sliding seat 1 is plugged the first root post body, the upper end moving the column body inserting sliding seat 1 makes column 2 be perpendicular to horizontal plane, screw lock bolt 18 again and compress sliding seat 1, make sliding seat 1 can not rotate around removable pin 15, then make all of column 2 in sliding seat 1 all remain perpendicular to horizontal plane；Again the column body needing height is taken with oneself, pin steps down in and climbs up on foot-operated 13 on column body, can climb one section assemble again one section with the column body of foot-operated 13, when climbing to the top of ladder during cat ladder, climb up again after being inserted into a root post body in superincumbent taper hole 12.When having pruned descending stair after branch, pin steps down in and down climbs on foot-operated 13, and next section tears a root post body open, very convenient.

Claims

1. a gardens pruning ladder, it is characterized in that: described gardens pruning ladder is the ladder of single column support type, the pedestal of carrying ladder is chassis, the cradle head of ladder is hole seat and the sliding seat of removable pin connection, the cylinder supporting ladder is column body, has foot-operated (13) in the both sides of column body；Gardens pruning ladder mainly includes chassis (16), hole seat (17), removable pin (15), lock bolt (18), sliding seat (1), column body, male cone (strobilus masculinus) (10), taper hole (12), inner conical surface (11), self-locking device；

The upper fixing porose seat (17) in described chassis (16), pin-and-hole (14) and locking screw is had on hole seat (17), removable pin (15) links together hole seat (17) and sliding seat (1) afterwards through the pin-and-hole (14) of the pin-and-hole (14) on hole seat (17) and sliding seat (1) bottom, the screw end of the lock bolt (18) exceeding locking screw after the locking screw on lock bolt (18) advances through hole seat (17) is pressed in lower part locking sliding seat (1) of sliding seat (1) and the fit angle on chassis (16)；The above of described sliding seat (1) has taper hole (12), the inner conical surface (11) of taper hole (12) has annular lock groove (9), at taper hole (12), below or there is air gap position (4) the inside, sliding seat (1) is coordinated by taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fixes, and coordinated with the annular lock groove (9) on inner conical surface (11) and the inner conical surface (11) and male cone (strobilus masculinus) (10) that post of being automatically locked exposing the locking head of male cone (strobilus masculinus) (10) after male cone (strobilus masculinus) (10) by the lock pin (6) that is arranged in the locking hole (5) of column (2) bottom；Taper hole (12) is had in connector (3) end in column body upper end, annular lock groove (9) is had on the inner conical surface (11) of taper hole (12), below taper hole (12) or there is air gap position (4) the inside, the male cone (strobilus masculinus) (10) of column body lower end inserts in the taper hole (12) in the connector (3) of a following root post body, coordinate by taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fix, and coordinated with the annular lock groove (9) on inner conical surface (11) and the inner conical surface (11) and male cone (strobilus masculinus) (10) that post of being automatically locked exposing the locking head of male cone (strobilus masculinus) (10) after male cone (strobilus masculinus) (10) by the lock pin (6) that is arranged in the locking hole (5) of column (2) bottom；It is fixed with foot-operated (13) of the folding that can draw in one end of the connector (3) of column body in the both sides of the damaged surface of column body, foot-operated (13) is cased with or is stained with skid-proof rubber；

Described column body has the lower end of male cone (strobilus masculinus) (10) to insert in the taper hole (12) at sliding seat (1) middle part, or, column body has the lower end of male cone (strobilus masculinus) (10) to insert in the taper hole (12) in the connector (3) of a following root post body upper end, there is annular lock groove (9) to coordinate with the locking head of lock pin (6) on inner conical surface (11), then lock coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10)；

Described taper hole (12) is tapered hole, has inner conical surface (11) in taper hole (12)；The described taper hole (12) in sliding seat (1) coordinates with the male cone (strobilus masculinus) (10) of the lower end of column (2) and fixes, and the taper hole (12) on connector (3) coordinates with the male cone (strobilus masculinus) (10) of the lower end of another root post (2) and fixes；Described taper hole (12) is coordinated with the locking head of lock pin (6) by the annular lock groove (9) on inner conical surface (11) after coordinating with male cone (strobilus masculinus) (10) and fixing and the inner conical surface (11) and male cone (strobilus masculinus) (10) that post of being automatically locked；In order to make taper hole (12) and male cone (strobilus masculinus) (10) can close fit, the tapering of described taper hole (12) is consistent with the tapering of male cone (strobilus masculinus) (10)；

Described self-locking device includes locking hole (5), lock pin (6), locking spring (8), force bearing disk (7), annular lock groove (9), described locking hole (5) is the oblique surface wearing out the cylinder near male cone (strobilus masculinus) (10) and the surface of male cone (strobilus masculinus) (10) between surface and the male cone (strobilus masculinus) (10) near the cylinder of male cone (strobilus masculinus) (10), is horizontally installed with force bearing disk (7), locking spring (8) and lock pin (6) in locking hole (5)；Described force bearing disk (7) is fixed on the middle part of lock pin (6), is arranged on the middle part of locking hole (5)；Described locking spring (8) is arranged on the big part of the middle aperture of locking hole (5) and is enclosed within the middle part of lock pin (6), on the jump ring of the part that the aperture of the locking hole (5) that one end withstood on the wall of the big part of force bearing disk (7) is upper, the other end withstands on locking hole (5) middle aperture or withstood on the one end of the pin handle being fixed on lock pin (6) is little；The middle part of described lock pin (6) is each passed through the inner conical surface (11) of connector (3) or sliding seat (1) and the lateral surfaces of sliding seat (1) or the lateral surfaces of connector (3) through locking spring (8), two ends, lock pin (6) can slide in locking hole (5), and locking spring (8) is pressed in the locking head promoting lock pin (6) on force bearing disk (7) and coordinates with annular lock groove (9) and form locking；Annular lock groove (9) is had to coordinate with the locking head of lock pin (6) on described inner conical surface (11) and the inner conical surface (11) and male cone (strobilus masculinus) (10) that post of being automatically locked；

Described chassis (16) is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be fixed on hole seat (17), at disking body or be in strip below interconnection shape and be stained with skid-proof rubber；Described chassis (16) is for fixed hole seat (17), stabilizer column (2) and support post (2) and bears all wt that hole seat (17) is born, and prevents the lower end of column body to be absorbed in earth；Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents chassis (16) from sliding on the ground with ground resulting in friction；

Described hole seat (17) is to support and the supporter of installation activity pin (15), pin-and-hole (14) and locking screw, pin-and-hole (14) is had to be used for installing and fixing removable pin (15) and bear all wt that removable pin (15) is born on supporter；

The vicinity of described locking screw pin-and-hole (14) on hole seat (17), for assembling lock bolt (18) and purl screw can be rotated in locking screw, the screw end of lock bolt (18) is made to be pressed in lower part locking sliding seat (1) of sliding seat (1) and the fit angle on chassis (16)；

Described lock bolt (18) is screw, can rotate in locking screw, produces friction and play locking effect when screw end contacts with the lower part of sliding seat (1)；

Described removable pin (15) is pivot pin or bolt, for connecting hole seat (17) and sliding seat (1) and bear all wt that sliding seat (1) is born；

Described sliding seat (1) is to connect seat, horizontal pin-and-hole (14) is had on lower part, there is taper hole (12) upper end of upper part, the inner conical surface (11) of taper hole (12) has the annular lock groove (9) of depression, there is air gap position (4) below taper hole (12) or the inside, and taper hole (12) is the most through with air gap position (4)；The center line of described pin-and-hole (14) and the central axis of taper hole (12) or close to vertical；Being connected with hole seat (17) below by removable pin (15) of sliding seat (1), it is connected with column (2) above with taper hole (12)；The all wt that described sliding seat (1) is born for stabilizer column (2) and support post (2) and column (2)；

Described column body is that one end has male cone (strobilus masculinus) (10), the other end to have the cylinder of taper hole (12), including connector (3) and column (2) two parts, it is fixed with foot-operated (13) of the folding that can draw in one end of the connector (3) of column body in the both sides of the damaged surface of column body；Described column body is connector (3) and column (2) is fixed together the entirety formed, or the entirety being inherently connected；Column (2) does not has one end of male cone (strobilus masculinus) (10) not have one end of taper hole (12) to be connected with connector (3) or is fixed together formation entirety；The end face of the upper end of described connector (3) has taper hole (12), there is air gap position (4) the inside of taper hole (12), has the annular lock groove (9) of depression on the inner conical surface (11) of taper hole (12)；There is male cone (strobilus masculinus) (10) lower end of described column (2), locking hole (5) is had, the oblique surface wearing out the cylinder near male cone (strobilus masculinus) (10) of locking hole (5) and the surface of male cone (strobilus masculinus) (10) between surface and the male cone (strobilus masculinus) (10) near the cylinder of male cone (strobilus masculinus) (10)；

Described foot-operated (13) include hanger, connecting pin and riding boogie board, hanger is integrally fixed at the connector having pin-and-hole (14) on column body, connecting pin is to connect hanger and the pin of riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, being stained with skid-proof rubber on the surface of riding boogie board or be cased with antiskid glue sleeve on the surface of riding boogie board, the skid-proof rubber on foot-operated (13) plays and prevents from riding the effect that (13) are the most anti-skidding；

Described annular lock groove (9) is the cannelure of the depression on the inner conical surface (11) of the taper hole (12) in sliding seat (1) and the taper hole (12) on column body, cannelure is V-shaped groove, corresponding with the position of locking hole (5), the one side near the oral area of taper hole (12) is locking face；Described locking face is for coordinating with facing directly of locking head and produce locking effect；Without the concern for the angle inserted when described annular lock groove (9) is used for allowing the locking head of lock pin (6) insert annular lock groove (9), coordinate and the locked inner conical surface (11) posted and male cone (strobilus masculinus) (10) with the locking head of lock pin (6), the most locked inner conical surface (11) posted and male cone (strobilus masculinus) (10), and then make connector (3) and column body and sliding seat (1) and column body fixation；

Described locking hole (5) is the oblique surface wearing out the cylinder near male cone (strobilus masculinus) (10) and the surface of male cone (strobilus masculinus) (10) in one end of the male cone (strobilus masculinus) (10) of column (2), it is little that centre is used for installing the aperture two ends big, hole, aperture of the part of locking spring (8) and force bearing disk (7) stretched out for the two ends of lock pin (6), corresponding with the position of annular lock groove (9)；Force bearing disk (7), lock pin (6) and locking spring (8) are installed in locking hole (5), force bearing disk (7) is arranged on the middle part of lock pin (6), locking spring (8) is arranged between force bearing disk (7) and locking hole (5), the pin handle of lock pin (6) stretches out from the damaged surface of column body after the centre of locking spring (8) passes, locking head coordinates with annular lock groove (9) after male cone (strobilus masculinus) (10) stretches out, and lock pin (6) can move in locking hole (5)；

Described locking hole (5) can also be single cavity, the housing with the mating shapes of locking hole (5) can also be inlaid with in single cavity, one end of the oblique damaged surface exposing column body or one end screw towards the damaged surface of column body connect or riveting or be welded on the damaged surface of column body, or connect with screw or riveting or the oblique locking hole (5) that is welded in column body；The inside and outside two ends of described housing manufacture porose, lock pin (6), locking spring (8), force bearing disk (7) are installed in housing, force bearing disk (7) is arranged on the middle part of lock pin (6), locking spring (8) is arranged between force bearing disk (7) and housing, and the pin handle of lock pin (6) stretches out from the hole of housing outer face after the centre of locking spring (8) passes, locking head coordinates with annular lock groove (9) after stretching out from the hole of the inner face of housing；

Described lock pin (6) includes locking head, middle part and pin handle three part, three parts are connected, lock pin (6) passes the two ends of locking hole (5) in being arranged on locking hole (5) after, coordinate with the annular lock groove (9) in taper hole (12) behind the oblique surface stretching out male cone (strobilus masculinus) (10) of locking head and produce locking effect, the oblique damaged surface stretching out column (2) of pin shank portion；The leading section of described locking head be acute angle bevel, towards male cone (strobilus masculinus) (10) cone the end one side be to face directly, inclined-plane is used for allowing the oral area of taper hole (12) of connector (3) and inner conical surface (11) oblique promotion locking head retreat, and faces directly and coordinates the locked male cone (strobilus masculinus) (10) worked good and inner conical surface (11) for the annular groove limit of facing directly with annular lock groove (9)；

Card that the solid or hollow centre at the middle part that described force bearing disk (7) is integrally fixed on lock pin (6) is porose or dish or pad, or a projection on lock pin (6), it is used for accepting the thrust of locking spring (8)；When described force bearing disk (7) is solid or hollow card or dish or pad, it is fixed on the mid portion of lock pin (6)；

Described locking spring (8) is helical spring, is used for the locking head promoting lock pin (6) and coordinates with the annular lock groove (9) on male cone (strobilus masculinus) (10) and complete automatic locking；

Described air gap position (4) is in the inside of taper hole (12), insert during taper hole (12) not inconsistent with the bottom of taper hole (12) for male cone (strobilus masculinus) (10) end of column (2), it is simple to inner conical surface (11) and the close fit of male cone (strobilus masculinus) (10)；

The inner conical surface (11) of described taper hole (12) is for coordinating with male cone (strobilus masculinus) (10) and installing column body, realize sliding seat (1) and column body is quickly fixing and column body is fixed with the quick of column body, it is beneficial to the quick assembling of column body and quick demolition, plays Fast Installation and the most fixing effect；And then make column body and connector (3) and column body and sliding seat (1) fixation respectively；

In order to increase connectivity robustness and the stability of ladder, improve the speed of installation and demolition, connection between described column body and sliding seat (1) and column body and column body and fix and all use cone match, beneficially quick assembling and quick demolition；The male cone (strobilus masculinus) (10) of column body, in the taper hole (12) of sliding seat (1), is coordinated with lock pin (6) by the annular lock groove (9) on inner conical surface (11) and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and sliding seat (1) that pin and lock column (2)；The male cone (strobilus masculinus) (10) of column body, in the taper hole (12) of connector (3), is coordinated with lock pin (6) by the annular lock groove (9) on inner conical surface (11) and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and connector (3) that pin and lock column (2)；During assembling, inner conical surface (11) and male cone (strobilus masculinus) (10) are at the gravity born and press tighter and tighter under the effect of column body self gravitation and realize automatic fastening；During demolition, pull the pin handle of lock pin (6), after the locking head of lock pin (6) front end exits the annular lock groove (9) on inner conical surface (11), column body upwards one is lifted male cone (strobilus masculinus) (10) and automatically will be separated with taper hole (12)；

The conical surface includes inner conical surface (11) and male cone (strobilus masculinus) (10), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc forms with line segment；The described conical surface is the face of the square taper of nose part, or goes to the face of the cone of nose part；

In order to tilt ground on support post body, when chassis (16) is arranged on smooth ground, the central axis of sliding seat (1) is in chassis (16), it is ensured that the column body being arranged in sliding seat (1) is vertical or near perpendicular to horizontal plane；When chassis (16) is arranged on the ground of inclination, sliding seat (1) can rotate certain angle around removable pin (15) on chassis (16), it is ensured that the column body being arranged in sliding seat (1) is vertical or near perpendicular to horizontal plane；

Use removable pin (15) the hole seat (17) that is fastened on chassis (16) and sliding seat (1), making sliding seat (1) can rotate certain angle around removable pin (15) on chassis (16), the column body being arranged in sliding seat (1) remains perpendicular to the purpose of horizontal plane to reach to make chassis (16) ensure that when being arranged on the ground of inclination；

In order to the assembling making gardens pruning ladder is quick, chassis (16), hole seat (17), removable pin (15) be assembled in sliding seat (1) together with overall or scattered parts.

2. according to claim 1 gardens pruning ladder, it is characterized in that: in order to the inner conical surface that locking is worked good (11) and male cone (strobilus masculinus) (10) do not loosen, described locking hole (5), lock pin (6), force bearing disk (7), locking spring (8) and annular lock groove (9) the composition locked inner conical surface (11) worked good of locking system and male cone (strobilus masculinus) (10).

3. according to claim 1 gardens pruning ladder, it is characterized in that: in order to reduce cost and alleviate the weight of gardens pruning ladder, the support that the column body of described gardens pruning ladder uses the mode connected to be combined into list Zhi Duli with sliding seat (1) and column body with column body, sliding seat (1) and column body are hollow body or solid；Column body is individual layer or multilayer in the combination of ladder, and chassis (16) and sliding seat (1) are individual layer in the combination of ladder；

In order in use can Rapid Combination and facilitate pin to step on, described column body is combined into global facility with foot-operated (13), is beneficial to when using can quickly assemble combination；Described foot-operated (13) fixing employing pin on column body connects fixing, and foot-operated (13) are merely able to draw in one end of connector (3) on column body, make pin step down in foot-operated (13) upper time landing downwards.

4. according to claim 1 gardens pruning ladder, it is characterized in that: in order to ensure that column body is perpendicular to horizontal plane all the time, using lock bolt (18) to fix the angle angle of sliding seat (1) and chassis (16) by rotation forces sliding seat (1) and hole seat (17) generation frictional force, making chassis (16) ensure that when being arranged on the ground of inclination, the column body being arranged in sliding seat (1) remains is perpendicular to horizontal plane.

5. the using method of a gardens pruning ladder, it is characterized in that: the assemble method of gardens pruning ladder: during assembling, A, place the chassis (16) fitted together on the ground, hole seat (17), removable pin (15) and sliding seat (1), chassis (16) is on ground, sliding seat (1) is above, again the lower end of the column (2) having male cone (strobilus masculinus) (10) is inserted in the taper hole (12) of sliding seat (1), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of column (2) and the inner conical surface (11) of sliding seat (1) are naturally fitted and are fixed, and the gravity of pressure is the biggest from column (2), inner conical surface (11) and male cone (strobilus masculinus) (10) laminating are the tightst and more firm；nullDuring male cone (strobilus masculinus) (10) in column (2) inserts taper hole (12)，During inner conical surface (11) position that locking head enters into，Inclined-plane on inner conical surface (11) oblique promotion locking head make locking head compression locking spring (8) and outside oblique yielding，When the male cone (strobilus masculinus) (10) of column (2) contacts firm with the inner conical surface (11) of the taper hole (12) of sliding seat (1)，Locking head just enters the position of annular lock groove (9) after slipping over annular lock groove (9) inner conical surface (11) above smoothly，Locking head enters in annular lock groove (9) under the powered of locking spring (8)，Coordinated the inner conical surface (11) of laminating by the locking face facing the annular lock groove (9) with V-arrangement directly of locking head and male cone (strobilus masculinus) (10) is locked can not retreat，Complete column body and the fixing of sliding seat (1) and locking；B, the upper end of the column body moving insertion sliding seat (1) make column (2) be perpendicular to horizontal plane, lock bolt (18) on removable pin (15) seat compresses sliding seat (1) again, make sliding seat (1) can not rotate around removable pin (15), then make all of column body in sliding seat (1) all remain perpendicular to horizontal plane, and the angle allowing chassis (16) and sliding seat (1) be formed be completely fixed after keep constant；One end that another root post body has in the taper hole (12) in C, the again connector on column body (3) male cone (strobilus masculinus) (10) again is inserted in the taper hole (12) of connector (3), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of column (2) and the inner conical surface (11) of connector (3) are naturally fitted and are fixed, and the gravity of pressure is the biggest from column body, inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted the tightst and more firm；During male cone (strobilus masculinus) (10) in column (2) inserts taper hole (12), during inner conical surface (11) position that locking head enters into, inclined-plane on inner conical surface (11) oblique promotion locking head make locking head compression locking spring (8) and outside oblique yielding, when the male cone (strobilus masculinus) (10) of column (2) contacts firm with the inner conical surface (11) of the taper hole (12) of connector (3), locking head just enters the position of annular lock groove (9) after slipping over annular lock groove (9) inner conical surface (11) above smoothly, locking head enters in annular lock groove (9) under the powered of locking spring (8), coordinated the inner conical surface (11) of laminating by the locking face facing the annular lock groove (9) with V-arrangement directly of locking head and male cone (strobilus masculinus) (10) is locked can not retreat；When D, the column body composition of employing multilayer prune gardens special-purpose ladder, again insertable into the male cone (strobilus masculinus) (10) of column (2) in the taper hole in column body upper end (12) of repetition step C, afterwards, during the male cone (strobilus masculinus) (10) of column body can be inserted the taper hole (12) of a following root post body by method again according to this, complete the connection between column body and column body and fix and locking；Column body is very convenient with the assembling of column body with sliding seat (1) and column body, it is not necessary to any instrument just can complete；

The method for dismounting of gardens pruning ladder: during the column body of dismountable, pull the pin handle of lock pin (6), after the locking head of lock pin (6) front end exits the annular lock groove (9) on inner conical surface (11), column body upwards one is drawn or one lifts and automatically will separate with the taper hole (12) in the connector (3) of a following root post body, and the male cone (strobilus masculinus) (10) of column body will separate automatically with the taper hole (12) of the connector (3) of a following root post body；During the column body that dismounting sliding seat (1) is above fixed, pull the pin handle of lock pin (6), after the locking head of lock pin (6) front end exits the annular lock groove (9) on male cone (strobilus masculinus) (10), column body upwards one is drawn or one lifts and automatically will separate with the taper hole (12) of sliding seat (1), and column body will separate automatically with sliding seat (1)；Column body is very convenient with the dismounting of column body with sliding seat (1) and column body, it is not necessary to any instrument just can complete；

Gardener is when arranging gardens, run into when having trees to need pollard, first the chassis (16) fitted together, hole seat (17), removable pin (15) and sliding seat (1) are placed on the ground, after sliding seat (1) is plugged the first root post body, the upper end moving the column body inserting sliding seat (1) makes column (2) be perpendicular to horizontal plane, screw lock bolt (18) again and compress sliding seat (1), make sliding seat (1) can not rotate around removable pin (15), then all of column (2) in sliding seat (1) is made all to remain perpendicular to horizontal plane；Again the column body needing height is taken with oneself, pin steps down in and climbs up on foot-operated (13) on column body, one section can be climbed and assemble one section of column body with foot-operated (13) again, when climbing to the top of ladder during cat ladder, climb up again after being inserted into a root post body in superincumbent taper hole (12)；When having pruned descending stair after branch, pin steps down in and down climbs on foot-operated (13), and next section tears a root post body open, very convenient.

6. the manufacture method of a gardens pruning ladder, it is characterized in that: during fabrication, gardens pruning ladder creates the ladder of single column support type, chassis (16), hole seat (17), sliding seat (1) and column body use aluminium alloy or the plastics manufacture of titanium alloy or carbon alloy or glass-reinforced plastic material or high intensity of light weight, create hollow body or solid；Lock pin (6) uses metal material or the plastics manufacture of glass-reinforced plastic material or high intensity；

Described chassis (16) creates dish type or bar shaped cross-like, the middle part of dish type or or the middle part of bar shaped cross-like on fix porose seat (17), the middle part of dish type or or the pars intermedia of bar shaped cross-like below fixing or be stained with skid-proof rubber；

Described hole seat (17) creates and supports and the supporter of installation activity pin (15), and supporter manufactures pin-and-hole (14) and locking screw；

Described locking screw manufactures the vicinity of the pin-and-hole (14) on hole seat (17), is equipped with lock bolt (18) in locking screw；

Described lock bolt (18) creates screw, can rotate in locking screw；

Described chassis (16) and hole seat (17) create an entirety, or separately manufactured after be fixed together one entirety of formation；

Removable pin (15) creates pivot pin or bolt, is fixed on hole seat (17) and is above connected with sliding seat (1)；

Described sliding seat (1) creates connection seat, lower part manufacture has horizontal pin-and-hole (14), the upper end of upper part manufactures taper hole (12), internal taper hole creates tapered hole, inner conical surface (11) in taper hole (12) is upper manufactures the annular lock groove (9) having depression, below taper hole (12) or the inside manufacture have air gap position (4), taper hole (12) is the most through with air gap position (4)；The center line of described pin-and-hole (14) and the central axis of taper hole (12) or close to vertical；Being connected with hole seat (17) below by removable pin (15) of sliding seat (1), it is connected with column body above with taper hole (12) and locking bar and fixes；

Described chassis (16), hole seat (17), removable pin (15) and sliding seat (1) are assembled into a single entirety, are beneficial to quickly assemble gardens pruning ladder；

Described column system causes cylinder, create to be fixed together after column (2) and connector (3) two parts, column (2) and connector (3) two parts create an entirety or manufacture respectively and become an entirety；The pin using pin to be fixedly connected with the folding that can draw in one end of the connector (3) of column body in the both sides of the damaged surface of column body is stepped on, manufacture in the lower end of the column (2) of column body and have male cone (strobilus masculinus) (10), manufacture between the surface of male cone (strobilus masculinus) (10) and the cylinder of close male cone (strobilus masculinus) (10) and have oblique locking hole (5), the oblique surface wearing out male cone (strobilus masculinus) (10) of locking hole (5) and the surface of the cylinder near male cone (strobilus masculinus) (10)；Manufacture in the end of the upper end of the connector (3) of column body and have taper hole (12), taper hole (12) creates tapered hole, below taper hole (12), manufacture has air gap position (4), and the inner conical surface (11) in taper hole (12) is upper manufactures the annular lock groove (9) having depression；

Foot-operated (13) create hanger, connecting pin and riding boogie board three part, hanger creates the pedestal being fixed on column body, connecting pin creates connection hanger and the pin of riding boogie board, riding boogie board creates the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber on the surface of riding boogie board or is cased with antiskid glue sleeve on the surface of riding boogie board；

Described air gap position (4) is in the inside of taper hole (12), insert in male cone (strobilus masculinus) (10) end of column (2) during taper hole (12) not inconsistent with the bottom of taper hole (12), make the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10)；

Described locking hole (5) manufactures the one end having male cone (strobilus masculinus) (10) at column body, manufactures the oblique surface wearing out the cylinder near male cone (strobilus masculinus) (10) and the surface of male cone (strobilus masculinus) (10) in one end of the male cone (strobilus masculinus) (10) of column (2)；It is little that the centre of locking hole (5) is used for installing the aperture that the part stretched out at the two ends big, hole, aperture that the part of locking spring (8) and force bearing disk (7) manufactures manufactures for the two ends of lock pin (6), corresponding with the position of annular lock groove (9)；Force bearing disk (7), lock pin (6) and locking spring (8) are installed in locking hole (5), force bearing disk (7) is arranged on the middle part of lock pin (6), locking spring (8) is arranged between force bearing disk (7) and locking hole (5), and the pin handle of lock pin (6) stretches out from the damaged surface of column body after the centre of locking spring (8) passes, locking head coordinates with annular lock groove (9) after male cone (strobilus masculinus) (10) stretches out；

Described locking hole (5) separately fabricated can also become cavity, the housing with the mating shapes of locking hole (5) can also be inlaid with in separately fabricated cavity, one end of the oblique damaged surface exposing column body or one end screw towards the damaged surface of column body connect or riveting or be welded on the damaged surface of column body, or connect with screw or riveting or be welded on the oblique locking hole (5) in column (2) Nei；The inside and outside two ends of described housing manufacture porose, lock pin (6), locking spring (8), force bearing disk (7) are installed in housing, force bearing disk (7) is arranged on the middle part of lock pin (6), locking spring (8) is arranged between force bearing disk (7) and housing, and the pin handle of lock pin (6) stretches out from the hole of housing outer face after the centre of locking spring (8) passes, locking head coordinates with annular lock groove (9) after stretching out from the hole of the inner face of housing；

Described annular lock groove (9) manufactures on the inner conical surface (11) of the taper hole (12) in sliding seat (1) and the taper hole (12) on column body, create the V-shaped groove of annular, one side near the oral area of taper hole (12) creates locking face, corresponding with the position of locking hole (5)；

Described lock pin (6) creates locking head, middle part and pin handle three part, three parts create one, lock pin (6) passes the two ends of locking hole (5) in being arranged on locking hole (5) after, coordinate with the annular lock groove (9) in taper hole (12) behind the oblique surface stretching out male cone (strobilus masculinus) (10) of locking head and produce locking effect, the oblique damaged surface stretching out column (2) of pin shank portion；The leading section of described locking head creates acute angle bevel, one side towards the cone end of male cone (strobilus masculinus) (10) creates and faces directly；

Force bearing disk (7) creates middle porose solid or hollow card or dish or pad, or creates a projection on lock pin (6)；When described force bearing disk (7) creates solid or hollow card or dish or pad, it is fixed on the middle part of lock pin (6)；

Locking spring (8) creates helical spring；

The support that the column body of described gardens pruning ladder uses the mode connected to be combined into list Zhi Duli with sliding seat (1) and column body with column body, the connection of column body and sliding seat (1) and column body and column body and fix and all use cone match, the conical surface creates inner conical surface (11) and male cone (strobilus masculinus) (10), inner conical surface (11) and male cone (strobilus masculinus) (10) create the taper surface of point, the cross section of the conical surface creates the polygonal conical surface, or creates the conical surface of circle or circular arc；

The consistent tapering that the tapering that the tapering of described taper hole (12) coordinates with male cone (strobilus masculinus) (10) creates；

The upper fixing porose seat (17) in described chassis (16), removable pin (15) connecting hole seat (17) and sliding seat (1), the taper hole (12) of described sliding seat (1) coordinates with the male cone (strobilus masculinus) (10) of the lower end of column body and fixes, the male cone (strobilus masculinus) (10) of column body coordinates with the inner conical surface (11) of the taper hole (12) of a following root post body and fixes, taper hole (12) is coordinated with lock pin (6) by the annular lock groove (9) on inner conical surface (11) after coordinating with male cone (strobilus masculinus) (10) and fixing and the inner conical surface (11) and male cone (strobilus masculinus) (10) that post of being automatically locked；It is fixed with foot-operated (13) of the folding that can draw in one end of the connector (3) of column body in the both sides of the damaged surface of column body, is stained with skid-proof rubber in the bottom of chassis (16)；Locking hole (5) is had manufacturing between damaged surface and the male cone (strobilus masculinus) (10) of male cone (strobilus masculinus) (10)；Force bearing disk (7), locking spring (8) and lock pin (6) are installed in locking hole (5), force bearing disk (7) is fixed on the middle part of lock pin (6), the pin shank portion of lock pin (6) stretches out from the surface of male cone (strobilus masculinus) (10) near the damaged surface of column (2), locking head to stretching out through retreading from the central part of locking spring (8), and one end of locking spring (8) is pressed in that force bearing disk (7) is upper, the other end withstands on locking hole (5).