CN104747066A

CN104747066A - Upright fire ladder

Info

Publication number: CN104747066A
Application number: CN201510086052.XA
Authority: CN
Inventors: 余登会
Original assignee: Individual
Current assignee: Jiangsu Tongchuang Modern Construction Industrial Technology Research Institute Co Ltd
Priority date: 2015-02-24
Filing date: 2015-02-24
Publication date: 2015-07-01
Anticipated expiration: 2035-02-24
Also published as: CN104747066B

Abstract

The invention relates to an upright fire ladder. A pin seat is fixedly arranged on a base, a rotating pin connects the pin seat and a movable seat, and an angle between the base and the movable seat is locked by virtue of a locking screw; an inner taper hole of the movable seat or an inner taper hole of a stand column body is matched with the outer tapered surface of the stand column body so as to be fixed; the inner taper hole is matched with a position locking pin by virtue of a locking groove in a locking rod after being matched with the outer tapered surface so as to automatically lock the well-fit inner tapered surface and outer tapered surface; a pedal is fixedly arranged on the surface of the stand column body, the pedal is provided with antiskid adhesive, and another antiskid adhesive is stuck to the lower surface of the movable seat. The upright fire ladder is simple in structure and convenient to manufacture, assemble and use, and a tool is not required in the assembling and dismounting process during the use of the ladder; after the upright fire ladder is adopted, the difficulty for vertically climbing and standing of firemen can be solved, the upright fire ladder is fast, convenient, safe and reliable to assemble during the climbing and is convenient to climb; after the upright fire ladder is used, the upright fire ladder is convenient to dismount, package and transport, and the production cost and the application cost can be reduced.

Description

Upright fire ladder

Technical field

The present invention relates to a kind of for fire fighter fire-fighting, speedily carry out rescue work and rescue time the upright fire ladder uprightly climbed.

Background technology

The fire ladder that present fire fighter uses is all folding fire ladder substantially, and volume is long greatly again, is unfavorable for that fire fighter carries, and requires great effort when opening and lay ladder.

Summary of the invention

The object that the present invention relates to is to provide a kind of being beneficial to carry, be convenient to the upright fire ladder laying, assemble and climb and manufacture thereof and method.

For achieving the above object, upright fire ladder of the present invention comprises base, key seat, lock bolt, rotational pin, sliding seat, column body, lock-bit hole, pin, thrust spring, locking bar, sliding eye, locked groove, male cone (strobilus masculinus), Inner taper hole, inner conical surface;

Described base is fixed with key seat, key seat there are pin-and-hole and locking screw, rotational pin links together key seat and sliding seat through the pin-and-hole of the pin-and-hole on key seat and sliding seat bottom, and lock bolt exceedes the lock bolt of locking screw screw end after screwing in the locking screw on key seat is pressed in the lower part locking sliding seat of sliding seat and the fit angle of base; Inner taper hole is had above described sliding seat, below Inner taper hole or the inside have air gap position, the middle part of the bottom of air gap position is fixed with locking bar, sliding seat is coordinated with the male cone (strobilus masculinus) of column body lower end and is fixed by Inner taper hole, and is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the lock-bit head in the column being arranged on column body by the locked groove on the locking bar bottom the air gap position that is fixed on sliding seat; Inner taper hole is had in the connection head end of column body upper end, there is air gap position below Inner taper hole or the inside, the middle part of the bottom of air gap position is fixed with locking bar, the male cone (strobilus masculinus) of column body lower end inserts in the Inner taper hole in the connector of a root post body below, coordinated with the male cone (strobilus masculinus) of column body lower end by Inner taper hole and fix, and being coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the lock-bit head in the column being arranged on column body by the locked groove on the locking bar bottom the air gap position that is fixed on connector; The pin being fixed with the folding that can draw in one end of the connector of column body in the damaged surface of column body is stepped on, and pin steps on cover to be had or be stained with skid-proof rubber.

In the Inner taper hole of the male cone (strobilus masculinus) insertion sliding seat of described column body lower end or in the Inner taper hole of the connector of an insertion root post body upper end below, the sliding eye of the end of male cone (strobilus masculinus) end is enclosed within locking bar, locked groove on locking bar coordinates with the lock-bit head of pin and locks locking bar and do not slide, and then locks coordinating of inner conical surface and male cone (strobilus masculinus).

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

Described self-locking device comprises lock-bit hole, pin, thrust spring, locking bar, sliding eye, locked groove, in described lock-bit hole, thrust spring and pin are installed, pin from the central part of thrust spring through back handle the surface of column is stretched out in one end, one end of lock-bit head is stretched in sliding eye and coordinated with the locked groove locking bar, one end of thrust spring is pressed on the lock-bit head of pin, the other end withstands on lock-bit hole or withstand on the jump ring that is fixed in lock-bit hole; Described locking bar has locked groove, and locked groove coordinates with the lock-bit head of pin the inner conical surface and male cone (strobilus masculinus) that are automatically locked and post.

Described base is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be above fixed with key seat, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described base is used for fixing key seat, stabilizer column and support post and bears all wt that key seat bears, 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 base from sliding on the ground with ground resulting in friction.

Described key seat supports and installs the supporter of rotational pin, supporter has pin-and-hole and locking screw, and pin-and-hole is for installing and fixing rotational pin bear all wt that rotational pin bears.

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

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

Described rotational pin is pivot pin or bolt, for connecting key seat and sliding seat and bearing all wt that sliding seat bears.

Described sliding seat is Connection Block, lower part has horizontal pin-and-hole, and there is Inner taper hole the upper end of upper part, and there is air gap position below Inner taper hole or the inside, Inner taper hole and air gap position directly through, be fixed with locking bar at the middle part of the bottom of air gap position; The center line of described pin-and-hole is with the central axis of Inner taper hole or close to vertical; Being connected with key seat below by rotational pin of sliding seat, be connected with column by Inner taper hole above; Described sliding seat is used for all wt that stabilizer column and support post and column bear.

Described column body is the cylinder that there is male cone (strobilus masculinus) lower end, there is Inner taper hole upper end, comprises connector and column two parts; Described column body is that connector and column are fixed together the entirety formed or the entirety be inherently connected; Column does not have one end of male cone (strobilus masculinus) and connector not to have one end of Inner taper hole to be connected or is fixed together to form entirety.The end face of the upper end of described connector has Inner taper hole, and there is air gap position the inside of Inner taper hole, is fixed with locking bar in the bottom of air gap position; There is male cone (strobilus masculinus) the lower end of described column, has one end of male cone (strobilus masculinus) to have sliding eye and lock-bit hole; Described sliding eye stretches in the cylinder of column in the end of column; Described lock-bit hole communicates with sliding eye and wears out the surface of cylinder in the cylinder that column has one end of male cone (strobilus masculinus).

Described pin comprises lock-bit head, middle part and handle three part, and three parts are connected, and pin is through after thrust spring in lock-bit hole, and lock-bit head enters in sliding eye and coordinates with the locked groove on locking bar, and handle portion stretches out the damaged surface of column; The leading section of described lock-bit head be acute angle bevel with face directly the shape of composition, towards the one side on locking bar top be face directly, towards the one side of locking bar fixed end be acute angle bevel, acute angle bevel retreats for allowing the leading section of locking bar oblique promotion lock-bit head, and the one side faced directly for the right-angle side with lock-bit groove coordinates locked locking bar.

Described locking bar is cylinder, and be fixed on the bottom of the air gap position inside Inner taper hole, locking bar can slide at sliding eye, and locking bar has locked groove.Described locked groove is the groove of right triangular shape or the inclined-plane of right-angled triangle is changed into the groove of arc-shaped side, corresponding with the position of lock-bit head on locking bar; The groove top of described right-angled triangle groove is acute angle, one side before the one side of notch and lock-bit groove is the face of right-angle side, the one side of right-angle side coordinates can stand fast by locking locking bar with facing directly of lock-bit head, and the one side of hypotenuse coordinates with the inclined-plane of lock-bit cephalic par and limits the degree of depth that lock-bit head inserts lock-bit groove; Described lock-bit groove is used for coordinating with lock-bit head and producing locking effect, then the locked inner conical surface that posts and male cone (strobilus masculinus), and then makes connector and column body and sliding seat and the fixation of column body.

Described pin is stepped on and is comprised hanger, connecting pin and riding boogie board, hanger is fixed on the pedestal on column body, connecting pin is the pin connecting live hanger and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board.

Described air gap position in the inside of Inner taper hole, for column male cone (strobilus masculinus) end insert Inner taper hole time not inconsistent with the bottom of Inner taper hole, be convenient to the close fit of inner conical surface and male cone (strobilus masculinus).

Described sliding eye is the bearing bore of the end at column, communicates with lock-bit hole, for holding locking bar and allowing locking bar slide in sliding eye.

Described lock-bit hole is separately cavity, in one end of sliding eye in the column of male cone (strobilus masculinus), mid portion and wear out that the aperture of leg surface is large, aperture that the one end, the inside in hole is stretched out for the lock-bit head of pin is little, communicate with lock-bit hole, corresponding with the position of the lock-bit groove on locking bar, the large part of the median pore radius in lock-bit hole is for installing the housing with the mating shapes in lock-bit hole.In lock-bit hole, be inlaid with the housing with the mating shapes in lock-bit hole, housing exposes or does not expose the damaged surface of column in lock-bit hole; When housing exposes the damaged surface of column, the one end of exposing the damaged surface of column connects with screw or rivets or be welded on the damaged surface of column; When housing does not expose the damaged surface of column, connect with screw or rivet or weld or be fixed in lock-bit hole with jump ring; The inside and outside two ends of described housing manufacture porose, pin and thrust spring are installed in housing, thrust spring is arranged between lock-bit head and housing, stretches out, lock-bit head stretches out from the hole of the inner face of housing after the handle of pin passes from the centre of thrust spring from the hole of housing outer face.Described housing for installing pin and thrust spring, and pin can be moved in housing.

Described thrust spring is helical spring, and the lock-bit head for promoting pin coordinates with the locked groove of locking bar and completes automatic locking.

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

Described sliding seat is used for the weight that stabilizer column body and support post body and column body bear; The skid-proof rubber of described sliding seat bottom surface plays the effect preventing sliding seat slippage, and the skid-proof rubber that pin steps on plays and prevents pin from stepping on anti-skidding effect.

In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described column body and the connection between sliding seat and column body and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) of column body, in the Inner taper hole of sliding seat, is coordinated with pin by the locked groove on locking bar and pins and lock the male cone (strobilus masculinus) of column with coordinating of the inner conical surface of sliding seat and do not loosen; The male cone (strobilus masculinus) of column body, in the Inner taper hole of connector, is coordinated with pin by the locked groove on locking bar 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 handle of pin, after the lock-bit head of pin front end exits the locked groove on locking bar, column body upwards one is lifted and automatically will be separated with Inner taper hole.

The conical surface comprises 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 and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.

In order to can on the ground tilted support post, when floor installation is on smooth ground, the central axis of sliding seat, in base, ensure that and is arranged on uprights vertical in sliding seat or close to perpendicular to horizontal plane; When floor installation is on the ground tilted, certain angle is rotated in the sliding seat untie-sell that can rotate on base, ensure that the uprights vertical or close perpendicular to horizontal plane be arranged in sliding seat.

Rotational pin is adopted to be fastened on key seat on base and sliding seat, make the sliding seat untie-sell that can rotate on base rotate certain angle, reach when enabling floor installation on the ground tilted and ensure that the column be arranged in sliding seat keeps the object perpendicular to horizontal plane.

In order to make the assembling of upright fire ladder quick, base, key seat, rotational pin and sliding seat are the parts of entirety or the dispersion fitted together.

In order to can the locking inner conical surface of working good and male cone (strobilus masculinus) not loosen, the inner conical surface that described lock-bit hole, pin, thrust spring, locking bar and sliding eye composition locking system be locked works good and male cone (strobilus masculinus).

In order to reduce costs and alleviate the weight of ladder, described sliding seat and column body are hollow bodies; Described column body is individual layer or multilayer in the combination of ladder, and sliding seat is individual layer in the combination of ladder.

In order to reduce the consumption of ladder and be convenient to store and keeping, all building blocks of described ladder can be reused.

Conveniently pack and transport, the fixing employing pin that described pin steps down on column body is connected and fixed, and pin steps down in one end be merely able to connector on column body and draws in, is convenient to packaging; Described column body and sliding seat can be dismantled completely and become independent parts, are beneficial to packaging and transport.

The assemble method of upright fire ladder: during assembling, A, place the base, key seat, rotational pin and the sliding seat that fit together on the ground, base on ground, sliding seat is above, again the lower end of the column having male cone (strobilus masculinus) is inserted in the Inner 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 are naturally fitted and fix, and the gravity depressed from column is larger, and it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; When the male cone (strobilus masculinus) of column inserts Inner taper hole, locking bar is inserted in sliding eye, when locking bar enters into the position of lock-bit head, the leading section of locking bar pushes the acute angle bevel oblique promotion lock-bit head compression thrust spring of locking head and outwards makes a concession, and the front end of locking bar passes through the position of lock-bit head; When locking bar is through after lock-bit head, when the male cone (strobilus masculinus) of column contacts firm with the inner conical surface of the Inner taper hole of sliding seat, lock-bit head enters in the locked groove on locking bar under the powered of thrust spring, facing directly of lock-bit head coordinates locked locking bar to stand fast with the one side of lock groove right-angle side, the inner conical surface of laminating and male cone (strobilus masculinus) locked, complete fixing and locking of column body and sliding seat.B, move the upper end of column body of inserting sliding seat and make uprights vertical in horizontal plane, the lock bolt rotated again on key seat compresses sliding seat, make sliding seat can not rotate untie-sell rotate, then make all columns in sliding seat all keep perpendicular to horizontal plane, and the angle allowing base and sliding seat be formed remain unchanged after being completely fixed.The lower end of sliding eye is again had by column body to insert in the Inner taper hole of connector in C, Inner taper hole again in the connector of column body upper end, under the effect of self gravitation, the male cone (strobilus masculinus) of column and the inner conical surface of connector are naturally fitted and fix, and the gravity depressed from column is larger, it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; When the male cone (strobilus masculinus) of column inserts Inner taper hole, locking bar is inserted in sliding eye, when locking bar enters into the position of lock-bit head, the leading section of locking bar pushes the acute angle bevel oblique promotion lock-bit head compression thrust spring of lock-bit head and outwards makes a concession, and the front end of locking bar passes through the position of lock-bit head; When locking bar is through after lock-bit head, when the male cone (strobilus masculinus) of column contacts firm with the inner conical surface of the Inner taper hole of connector, lock-bit head enters in the locked groove on locking bar under the powered of thrust spring, facing directly of lock-bit head coordinates locked locking bar to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole and male cone (strobilus masculinus) locked; Afterwards, the male cone (strobilus masculinus) of column body can insert in the Inner taper hole of column body by Using such method again, completes being connected and fixed and locking between column body and column body.The assembling of column body and sliding seat and column body and column body is very convenient, just can complete without any need for instrument.

The method for dismounting of upright fire ladder: during the column body of dismountable, pull the handle of pin, after the lock-bit head of pin front end exits the locked groove on locking bar, column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole in the connector of a root post body below, and locking bar skids off from sliding eye; Now, as long as column body upwards one is lifted, the male cone (strobilus masculinus) of column body will separate automatically with the Inner taper hole of the connector of a root post body below.During fixing in dismounting sliding seat column body, pull the handle of pin, after the lock-bit head of pin front end exits the locked groove on locking bar, column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole of sliding seat, and locking bar skids off from sliding eye; Now, as long as column body upwards one is lifted, column will separate automatically with sliding seat.The dismounting of column body and sliding seat and column body and column body is very convenient, just can complete without any need for instrument.

Fire fighter is in fire-fighting or when speedily carrying out rescue work or rescue, first the base fitted together, key seat, rotational pin and sliding seat are placed on the ground, after sliding seat is plugged the first root post body, the upper end of 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 untie-sell rotate, then make all columns in sliding seat all keep perpendicular to horizontal plane; Again needing the column body of height to take with oneself, the pin pin stepped down on column body steps on and climbs up, and can climb one section of assembling one section, when climbing to the top of ladder in the process of cat ladder, climb up after inserting a root post body again in superincumbent Inner taper hole again.During descending stair, step down in pin and step on and down climb, next section tears a root post body open, very convenient.

The manufacture method of described upright fire ladder, is characterized in that:

During fabrication, base, key seat, sliding seat and column body adopt the aluminium alloys of light weight or the plastics manufacture of titanium alloy or carbon alloy or glass-reinforced plastic material or high strength, create hollow body or solid; Pin adopts the plastics manufacture of metal material or glass-reinforced plastic material or high strength.

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

Described key seat creates the supporter supporting and install rotational pin, and supporter manufactures pin-and-hole and locking screw.

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

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

Described base and key seat manufacture as a whole, or the formation entirety that is fixed together after separately manufacturing.

Rotational pin creates pivot pin or bolt, is fixed on key seat and is connected with sliding seat.

Described sliding seat creates Connection Block, lower part manufacture has horizontal pin-and-hole, and the upper end of upper part manufactures Inner taper hole, and below Inner taper hole or the inside manufactures air gap position, Inner taper hole and air gap position directly through, be fixed with locking bar at the middle part of the bottom of air gap position; The center line of described pin-and-hole is with the central axis of Inner taper hole or close to vertical; Being connected with key seat below by rotational pin of sliding seat, being connected with column body by Inner taper hole and locking bar above and fixing.

Described base, key seat, rotational pin and sliding seat are assembled into an independent entirety, are beneficial to the upright fire ladder of rapid-assembling.

Described column system causes cylinder, creates column and connector two parts, and column and connector two parts manufacture as a whole or are fixed together into as a whole after manufacturing respectively; The pin being fixedly connected with the folding that can draw in one end of the connector of column body in the damaged surface pin of column body is stepped on, pin steps on cover to be had or is stained with skid-proof rubber, have male cone (strobilus masculinus) in the stud end manufacture of column body, manufacturing in one end of male cone (strobilus masculinus) has sliding eye and lock-bit hole; Manufacture in the end of the connection head end of column body and have Inner taper hole, Inner taper hole creates the hole of tapering, and manufacturing below Inner taper hole has air gap position, is fixed with locking bar in the bottom of air gap position.

Described sliding eye is manufactured on the end of male cone (strobilus masculinus) end, creates bearing bore or through hole, communicates with lock-bit hole.

Described lock-bit hole creates independent cavity, be manufactured on the surface that cylinder worn out by column in the cylinder of male cone (strobilus masculinus), communicate with sliding eye, the aperture that corresponding with the position of the lock-bit groove on locking bar, the aperture that the part that mid portion is used for holder housing and wears out leg surface manufactures is large, the one end, the inside in hole manufactures for the lock-bit head extension of pin is little.In lock-bit hole, be inlaid with the housing with the mating shapes in lock-bit hole, housing exposes or does not expose the damaged surface of column in lock-bit hole; When housing exposes the damaged surface of column, the one end of exposing the damaged surface of column connects with screw or rivets or be welded on the damaged surface of column; When housing does not expose the damaged surface of column, connect with screw or rivet or weld or be fixed in lock-bit hole with jump ring; The inside and outside two ends of described housing manufacture porose, pin and thrust spring are installed in housing, thrust spring is arranged between lock-bit head and housing, stretches out, lock-bit head stretches out from the hole of the inner face of housing after the handle of pin passes from the centre of thrust spring from the hole of housing outer face.

Described locking bar creates cylinder, and locking bar manufactures locked groove; Described locked groove creates the groove of right triangular shape, and be manufactured on locking bar corresponding with the position of lock-bit head, groove top creates acute angle, and the one side before the one side of notch and lock groove creates the face of right-angle side.

Described pin creates lock-bit head, middle part and handle three part, three parts create one, pin is arranged on through after thrust spring in lock-bit hole, and lock-bit head enters in sliding eye and coordinates with the locked groove on locking bar, and handle portion stretches out the damaged surface of column; The leading section of described lock-bit head create acute angle bevel with face directly composition shape, towards the one side on locking bar top be face directly, towards the one side of locking bar fixed end be acute angle bevel.

Described pin is stepped on and is created hanger, connecting pin and riding boogie board three part, hanger creates the pedestal be fixed on column body, connecting pin creates the pin connecting hanger and riding boogie board, riding boogie board creates the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board.

Thrust spring creates helical spring.

Described column body and the connection of sliding seat and column body and column body and fixingly all adopt cone match, be beneficial to quick assembling and quick demolition; During assembling, column body and sliding seat and column body and column body are pressed tighter and tighter and are realized automatic fastening under the effect of the gravity born and self gravitation; During demolition, after pulling handle to make pin exit locked groove, column body upwards one is lifted male cone (strobilus masculinus) and will automatically be separated by Inner taper hole.

The conical surface creates inner conical surface and male cone (strobilus masculinus), and inner conical surface and male cone (strobilus masculinus) create the taper surface of point, and the cross section of the conical surface creates the polygonal conical surface, or creates the conical surface of circle or circular arc.

Tapering and the tapering that male cone (strobilus masculinus) coordinates of described Inner taper hole create consistent or close to consistent tapering.

Described base is fixed with key seat, and rotational pin links together key seat and sliding seat through the pin-and-hole of the pin-and-hole on key seat and sliding seat bottom; Described sliding seat is coordinated with the male cone (strobilus masculinus) of column body lower end and is fixed by Inner taper hole, and is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the lock-bit head in the column being arranged on column body by the locked groove on the locking bar bottom the air gap position that is fixed on sliding seat; Inner taper hole is had in the connection head end of column body upper end, the male cone (strobilus masculinus) of column body lower end inserts in the Inner taper hole in the connector of a root post body below, coordinated with the male cone (strobilus masculinus) of column body lower end by Inner taper hole and fix, and being coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the lock-bit head in the column being arranged on column body by the locked groove on the locking bar bottom the air gap position that is fixed on connector.Described lock-bit hole is manufactured on and communicates with sliding eye in the cylinder of the column of male cone (strobilus masculinus), thrust spring and pin are installed in lock-bit hole, the handle portion of pin from stretching out the surface of column after the central part of thrust spring passes, the lock-bit head of pin stretch out lock-bit hole after with insert in sliding eye or insert in the locked groove locking bar, thrust spring is arranged on the middle part of pin, and one end of thrust spring is pressed on the lock-bit head of pin, the other end withstands on lock-bit hole; The pin being fixed with the folding that can draw in one end of the connector of column body in the damaged surface of column body is stepped on, and pin steps on cover to be had or be stained with skid-proof rubber, below base, be stained with skid-proof rubber.

The structure of the upright fire ladder of the present invention is simple, manufactures, assembles and uses very convenient, do not need instrument in ladder assembly and disassembly process in use; After adopting upright fire ladder, solve the difficult problem that fire fighter uprightly climbs and stands on the ground tilted, the speed of assembling upright fire ladder during climbing is fast, convenient, safe and reliable, and climbing is convenient; After using, dismounting, packaging and convenient transportation, reduce cost of production and use cost.

Accompanying drawing explanation

Fig. 1 is the package assembly schematic diagram of upright fire ladder.

Fig. 2 is the internal construction of column body and the schematic diagram of outward appearance.

Fig. 3 is the internal construction schematic diagram connected between column body.

Fig. 4 is the sectional structure schematic diagram of sliding seat.

Fig. 5 is the schematic appearance of the front view that base and key seat are fixed together.

The schematic appearance of the front view that Fig. 6 is sliding seat, base and key seat are fixed together.

Shown in figure: sliding seat 1, column 2, connector 3, locking bar 4, lock-bit hole 5, pin 6, thrust spring 7, air gap position 8, sliding eye 9, male cone (strobilus masculinus) 10, inner conical surface 11, Inner taper hole 12, pin step on 13, pin-and-hole 14, rotational pin 15, base 16, key seat 17, lock bolt 18.

Detailed description of the invention

The upright fire ladder of the present invention mainly comprises base 16, key seat 17, lock bolt 18, rotational pin 15, sliding seat 1, column body, lock-bit hole 5, pin 6, thrust spring 7, locking bar 4, sliding eye 9, locked groove, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11;

Described base 16 is fixed with key seat 17, key seat 17 there are pin-and-hole 14 and locking screw, rotational pin 15 links together key seat 17 and sliding seat 1 through the pin-and-hole 14 of the pin-and-hole 14 on key seat 17 and sliding seat 1 bottom, and lock bolt 18 exceedes the lock bolt 18 of locking screw screw end after screwing in the locking screw on key seat 17 is pressed in the lower part locking sliding seat 1 of sliding seat 1 and the fit angle of base 16; Inner taper hole 12 is had above described sliding seat 1, below Inner taper hole 12 or the inside have air gap position 8, the middle part of the bottom of air gap position 8 is fixed with locking bar 4, sliding seat 1 is coordinated with the male cone (strobilus masculinus) 10 of column body lower end by Inner taper hole 12 and fixes, and is coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the lock-bit head in the column 2 being arranged on column body by the locked groove on the locking bar 4 bottom the air gap position 8 that is fixed on sliding seat 1; Inner taper hole 12 is had in connector 3 end of column body upper end, there is air gap position 8 below Inner taper hole 12 or the inside, the middle part of the bottom of air gap position 8 is fixed with locking bar 4, the male cone (strobilus masculinus) 10 of column body lower end inserts in the Inner taper hole 12 in the connector 3 of a root post body below, coordinated with the male cone (strobilus masculinus) 10 of column body lower end by Inner taper hole 12 and fix, and being coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the lock-bit head in the column 2 being arranged on column body by the locked groove on the locking bar 4 bottom the air gap position 8 that is fixed on connector 3; The pin being fixed with the folding that can draw in one end of the connector 3 of column body in the damaged surface of column body steps on 13, and pin steps on cover to be had or be stained with skid-proof rubber.

In the Inner taper hole 12 that the male cone (strobilus masculinus) 10 of described column body lower end inserts sliding seat 1 or insert in the Inner taper hole 12 of connector 3 of a root post body upper end below, the sliding eye 9 of the end of male cone (strobilus masculinus) 10 end is enclosed within locking bar 4, locked groove on locking bar 4 coordinates with the lock-bit head of pin 6 and locks locking bar 4 and do not slide, and then locks coordinating of inner conical surface 11 and male cone (strobilus masculinus) 10.

Described Inner taper hole 12 is the holes having tapering, has inner conical surface 11 in Inner taper hole 12.The Inner taper hole 12 of described sliding seat 1 coordinates with the male cone (strobilus masculinus) 10 of the lower end of column 2 and fixes, and the Inner taper hole 12 of connector 3 coordinates with the male cone (strobilus masculinus) 10 of column 2 and fixes; Described Inner taper hole 12 is coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with pin 6 by the locked groove on locking bar 4 after coordinating with male cone (strobilus masculinus) 10 and fixing.In order to make Inner taper hole 12 and male cone (strobilus masculinus) 10 can close fit, the tapering of described Inner taper hole 12 be consistent with the tapering of male cone (strobilus masculinus) 10.

Described self-locking device comprises lock-bit hole 5, pin 6, thrust spring 7, locking bar 4, sliding eye 9, locked groove, thrust spring 7 and pin 6 are installed in described lock-bit hole 5, pin 6 stretches out the surface of column 2 from the central part of thrust spring 7 through one end of back handle, one end of lock-bit head is stretched in sliding eye 9 and coordinated with the locked groove locking bar 4, and one end of thrust spring 7 is pressed on the lock-bit head of pin 6, the other end withstands on lock-bit hole 5 or withstand on the jump ring that is fixed in lock-bit hole 5; Described locking bar 4 has locked groove, and locked groove coordinates the inner conical surface 11 and male cone (strobilus masculinus) 10 that are automatically locked and post with the lock-bit head of pin 6.

Described base 16 is disking bodies or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be above fixed with key seat 17, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described base 16 is for fixing key seat 17, stabilizer column 2 and support post 2 and bear all wt that key seat 17 bears, 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 base 16 from sliding on the ground with ground resulting in friction.

Described key seat 17 supports and installs the supporter of rotational pin 15, supporter has pin-and-hole 14 and locking screw, and pin-and-hole 14 is for installing and fixing rotational pin 15 bear all wt that rotational pin 15 bears.

Near the pin-and-hole 14 of described locking screw on key 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 of base 16.

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

Described rotational pin 15 is pivot pin or bolt, for connecting key seat 17 and sliding seat 1 and bearing all wt that sliding seat 1 bears.

Described sliding seat 1 is Connection Block, lower part has horizontal pin-and-hole 14, the upper end of upper part has below Inner taper hole 12, Inner taper hole 12 or there is air gap position 8 the inside, Inner taper hole 12 is directly through with air gap position 8, is fixed with locking bar 4 at the middle part of the bottom of air gap position 8; The center line of described pin-and-hole 14 is with the central axis of Inner taper hole 12 or close to vertical; Being connected with key seat 17 below by rotational pin 15 of sliding seat 1, be connected with column 2 by Inner taper hole 12 above; 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 the cylinder that there is male cone (strobilus masculinus) 10 lower end, there is Inner taper hole 12 upper end, comprises connector 3 and column 2 two parts; Described column body to be connector 3 with column 2 the be fixed together entirety formed or the entirety be inherently connected; Column 2 does not have one end of male cone (strobilus masculinus) 10 and connector 3 not to have one end of Inner taper hole 12 to be connected or is fixed together to form entirety.The end face of the upper end of described connector 3 has the inside of Inner taper hole 12, Inner taper hole 12 to have air gap position 8, is fixed with locking bar 4 in the bottom of air gap position 8; There is male cone (strobilus masculinus) 10 lower end of described column 2, has one end of male cone (strobilus masculinus) 10 to have sliding eye 9 and lock-bit hole 5; Described sliding eye 9 stretches in the cylinder of the end of column 2 toward column 2; Described lock-bit hole 5 communicates with sliding eye 9 and wears out the surface of cylinder in the cylinder that column 2 has one end of male cone (strobilus masculinus) 10.

Described pin 6 comprises lock-bit head, middle part and handle three part, and three parts are connected, and pin 6 is through after thrust spring 7 in lock-bit hole 5, and lock-bit head enters in sliding eye 9 and coordinates with the locked groove on locking bar 4, and handle portion stretches out the damaged surface of column 2; The leading section of described lock-bit head be acute angle bevel with face directly the shape of composition, towards the one side on locking bar 4 top be face directly, towards the one side of locking bar 4 fixed end be acute angle bevel, acute angle bevel retreats for allowing the leading section of locking bar 4 oblique promotion lock-bit head, and the one side faced directly for the right-angle side with lock-bit groove coordinates locked locking bar 4.

Described locking bar 4 is cylinders, and be fixed on the bottom of the air gap position 8 inside Inner taper hole 12, locking bar 4 can slide at sliding eye 9, and locking bar 4 has locked groove.Described locked groove is the groove of right triangular shape or the inclined-plane of right-angled triangle is changed into the groove of arc-shaped side, corresponding with the position of lock-bit head on locking bar 4; The groove top of described right-angled triangle groove is acute angle, one side before the one side of notch and lock-bit groove is the face of right-angle side, the one side of right-angle side coordinates can stand fast by locking locking bar 4 with facing directly of lock-bit head, and the one side of hypotenuse coordinates with the inclined-plane of lock-bit cephalic par and limits the degree of depth that lock-bit head inserts lock-bit groove; Described lock-bit groove is used for coordinating with lock-bit head and producing locking effect, then the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, and then makes connector 3 and column body and sliding seat 1 and the fixation of column body.

Described pin is stepped on 13 and is comprised hanger, connecting pin and riding boogie board, hanger is fixed on the pedestal on column body, connecting pin is the pin connecting live hanger and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board.

Described air gap position 8 is in the inside of Inner taper hole 12, not inconsistent with the bottom of Inner taper hole 12 when Inner taper hole 12 is inserted in male cone (strobilus masculinus) 10 end for column 2, is convenient to the close fit of inner conical surface 11 and male cone (strobilus masculinus) 10.

Described sliding eye 9 is bearing bore of the end at column 2, communicates with lock-bit hole 5, for holding locking bar 4 and allowing locking bar 4 slide in sliding eye 9.

Described lock-bit hole 5 is separately cavity, in one end of sliding eye 9 in the column 2 of male cone (strobilus masculinus) 10, mid portion and wear out that the aperture on column 2 surface is large, aperture that the one end, the inside in hole is stretched out for the lock-bit head of pin 6 is little, communicate with lock-bit hole 5, corresponding with the position of the lock-bit groove on locking bar 4, the large part of the median pore radius in lock-bit hole 5 is for installing the housing with the mating shapes in lock-bit hole 5.In lock-bit hole 5, be inlaid with the housing with the mating shapes in lock-bit hole 5, housing exposes or does not expose the damaged surface of column 2 in lock-bit hole 5; When housing exposes the damaged surface of column 2, the one end of exposing the damaged surface of column 2 connects with screw or rivets or be welded on the damaged surface of column 2; When housing does not expose the damaged surface of column 2, connect with screw or rivet or weld or be fixed in lock-bit hole 5 with jump ring; The inside and outside two ends of described housing manufacture porose, pin 6 and thrust spring 7 are installed in housing, thrust spring 7 is arranged between lock-bit head and housing, stretches out, lock-bit head stretches out from the hole of the inner face of housing after the handle of pin 6 passes from the centre of thrust spring 7 from the hole of housing outer face.Described housing for installing pin 6 and thrust spring 7, and pin 6 can be moved in housing.

Described thrust spring 7 is helical springs, and the lock-bit head for promoting pin 6 coordinates with the locked groove of locking bar 4 and completes automatic locking.

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

The weight that described sliding seat 1 is born for stabilizer column body and support post body and column body; The skid-proof rubber of described sliding seat 1 bottom surface plays the effect preventing sliding seat 1 slippage, and the pin skid-proof rubber stepped on 13 plays and prevents from pin from stepping on 13 getting on anti-skidding effect.

In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described column body and the connection between sliding seat 1 and column body and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) 10 of column body, in the Inner taper hole 12 of sliding seat 1, is coordinated with pin 6 by the locked groove on locking bar 4 and pins and lock the male cone (strobilus masculinus) 10 of column 2 with coordinating of the inner conical surface 11 of sliding seat 1 and do not loosen; The male cone (strobilus masculinus) 10 of column body, in the Inner taper hole 12 of connector 3, is coordinated with pin 6 by the locked groove on locking bar 4 and pins and not the loosening coordinating of inner conical surface 11 of the male cone (strobilus masculinus) 10 and connector 3 of locking 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 handle of pin 6, after the lock-bit head of pin 6 front end exits the locked groove on locking bar 4, column body upwards one is lifted and automatically will be separated with Inner taper hole 12.

The conical surface comprises 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 and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.

In order to can tilt ground on support post 2, when base 16 is arranged on smooth ground, the central axis of sliding seat 1, in base 16, ensure that the column 2 be arranged in sliding seat 1 is vertical or near perpendicular to horizontal plane; When base 16 is arranged on the ground of inclination, certain angle is rotated in sliding seat 1 untie-sell 15 that can rotate on base 16, ensure that the column 2 be arranged in sliding seat 1 is vertical or near perpendicular to horizontal plane.

Rotational pin 15 is adopted to be fastened on key seat 17 on base 16 and sliding seat 1, make sliding seat 1 untie-sell 15 that can rotate on base 16 rotate certain angle, reach when base 16 is arranged on the ground of inclination and ensure that the column 2 be arranged in sliding seat 1 keeps the object perpendicular to horizontal plane.

In order to make the assembling of upright fire ladder quick, base 16, key seat 17, rotational pin 15 and sliding seat 1 are the parts of entirety or the dispersion fitted together.

In order to can the locking inner conical surface 11 of working good and male cone (strobilus masculinus) 10 not loosen, described lock-bit hole 5, pin 6, thrust spring 7, locking bar 4 and sliding eye 9 form the locked inner conical surface 11 of working good of locking system and male cone (strobilus masculinus) 10.

In order to reduce costs and alleviate the weight of ladder, described sliding seat 1 and column body are hollow bodies; Described column body is individual layer or multilayer in the combination of ladder, and sliding seat 1 is individual layer in the combination of ladder.

Conveniently pack and transport, the fixing employing pin that described pin steps down on column body is connected and fixed, and pin steps down in one end be merely able to connector 3 on column body and draws in, is convenient to packaging; Described column body and sliding seat 1 can be dismantled completely and become independent parts, are beneficial to packaging and transport.

The assemble method of upright fire ladder: during assembling, A, place the base 16, key seat 17, rotational pin 15 and the sliding seat 1 that fit together on the ground, base 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 Inner 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 fixes, and the gravity depressed from column 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; When the male cone (strobilus masculinus) 10 of column 2 inserts Inner taper hole 12, locking bar 4 is inserted in sliding eye 9, when locking bar 4 enters into the position of lock-bit head, the leading section of locking bar 4 pushes the acute angle bevel oblique promotion lock-bit head compression thrust spring 7 of locking head and outwards makes a concession, and the front end of locking bar 4 passes through the position of lock-bit head; When locking bar 4 is through after lock-bit head, when the male cone (strobilus masculinus) 10 of column 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of sliding seat 1, lock-bit head enters in the locked groove on locking bar 4 under the powered of thrust spring 7, facing directly of lock-bit head coordinates locked locking bar 4 to stand fast with the one side of lock groove right-angle side, the inner conical surface 11 of laminating and male cone (strobilus masculinus) 10 locked, complete fixing and locking of column body and sliding seat 1.B, move the upper end of column body of inserting sliding seat 1 and make column 2 perpendicular to horizontal plane, lock bolt 18 again on rotational pin 15 compresses sliding seat 1, sliding seat 1 untie-sell 15 that can not rotate is rotated, then make all columns 2 in sliding seat 1 all keep perpendicular to horizontal plane, and the angle allowing base 16 and sliding seat 1 be formed remain unchanged after being completely fixed.The lower end of sliding eye 9 is again had by column body to insert in the Inner taper hole 12 of connector 3 in C, Inner taper hole 12 again in the connector 3 of column body upper end, 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 fixes, and the gravity depressed from column 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; When the male cone (strobilus masculinus) 10 of column 2 inserts Inner taper hole 12, locking bar 4 is inserted in sliding eye 9, when locking bar 4 enters into the position of lock-bit head, the leading section of locking bar 4 pushes the acute angle bevel oblique promotion lock-bit head compression thrust spring 7 of lock-bit head and outwards makes a concession, and the front end of locking bar 4 passes through the position of lock-bit head; When locking bar 4 is through after lock-bit head, when the male cone (strobilus masculinus) 10 of column 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of connector 3, lock-bit head enters in the locked groove on locking bar 4 under the powered of thrust spring 7, facing directly of lock-bit head coordinates locked locking bar 4 to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole 12 and male cone (strobilus masculinus) 10 locked; Afterwards, the male cone (strobilus masculinus) 10 of column body can insert in the Inner taper hole 12 of column body by Using such method again, completes being connected and fixed and locking between column body and column body.The assembling of column body and sliding seat 1 and column body and column body is very convenient, just can complete without any need for instrument.

The method for dismounting of upright fire ladder: during the column body of dismountable, pull the handle of pin 6, after the lock-bit head of pin 6 front end exits the locked groove on locking bar 4, column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 in the connector 3 of a root post body below, and locking bar 4 skids off from sliding eye 9; Now, as long as column body upwards one is lifted, the male cone (strobilus masculinus) 10 of column body will separate automatically with the Inner taper hole 12 of the connector 3 of a root post body below.During fixing in dismounting sliding seat 1 column body, pull the handle of pin 6, after the lock-bit head of pin 6 front end exits the locked groove on locking bar 4, column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 of sliding seat 1, and locking bar 4 skids off from sliding eye 9; Now, as long as column body upwards one is lifted, column 2 will separate automatically with sliding seat 1.The dismounting of column body and sliding seat 1 and column body and column body is very convenient, just can complete without any need for instrument.

Fire fighter is in fire-fighting or when speedily carrying out rescue work or rescue, first the base 16 fitted together, key seat 17, rotational 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 of moving the column body inserting sliding seat 1 makes column 2 perpendicular to horizontal plane, screw lock bolt 18 again and compress sliding seat 1, sliding seat 1 untie-sell 15 that can not rotate is rotated, then makes all columns 2 in sliding seat 1 all keep perpendicular to horizontal plane; Again needing the column body of height to take with oneself, the pin pin stepped down on column body is stepped on 13 and is climbed up, and can climb one section of assembling one section, when climbing to the top of ladder in the process of cat ladder, climb up after inserting a root post body again in superincumbent Inner taper hole 12 again.During descending stair, step down in pin and step on 13 and down climb, next section tears a root post body open, very convenient.

Claims

1. a kind of upright fire ladder, is characterized in that: described upright fire ladder comprises base (16), key seat (17), lock bolt (18), rotational pin (15), sliding seat (1), column body, lock-bit hole (5), pin (6), thrust spring (7), locking bar (4), sliding eye (9), locked groove, male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11);

Described base (16) is fixed with key seat (17), key seat (17) there are pin-and-hole (14) and locking screw, rotational pin (15) links together key seat (17) and sliding seat (1) through the pin-and-hole (14) of the pin-and-hole (14) on key seat (17) and sliding seat (1) bottom, lock bolt (18) exceedes the lock bolt (18) of locking screw screw end after screwing in the locking screw on key seat (17) is pressed in lower part locking sliding seat (1) of sliding seat (1) and the fit angle of base (16), Inner taper hole (12) is had above described sliding seat (1), below Inner taper hole (12) or the inside have air gap position (8), the middle part of the bottom of air gap position (8) is fixed with locking bar (4), sliding seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fixes, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the lock-bit head in the column (2) being arranged on column body by the locked groove on the locking bar (4) of bottom, the air gap position (8) that is fixed on sliding seat (1), Inner taper hole (12) is had in connector (3) end in column body upper end, there is air gap position (8) below Inner taper hole (12) or the inside, the middle part of the bottom of air gap position (8) is fixed with locking bar (4), the male cone (strobilus masculinus) (10) of column body lower end inserts in the Inner taper hole (12) in the connector (3) of a root post body below, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fix, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the lock-bit head in the column (2) being arranged on column body by the locked groove on the locking bar (4) of bottom, the air gap position (8) that is fixed on connector (3), the pin being fixed with the folding that can draw in one end of the connector of column body (3) in the damaged surface of column body is stepped on (13), and pin steps on cover to be had or be stained with skid-proof rubber,

In the Inner taper hole (12) of the male cone (strobilus masculinus) (10) insertion sliding seat (1) of described column body lower end or in the Inner taper hole (12) of the connector (3) of an insertion root post body upper end below, the sliding eye (9) of the end that male cone (strobilus masculinus) (10) is held is enclosed within locking bar (4), locked groove on locking bar (4) coordinates with the lock-bit head of pin (6) and locks locking bar (4) and do not slide, and then locks coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10);

Described Inner taper hole (12) is the hole having tapering, has inner conical surface (11) in Inner taper hole (12); The Inner taper hole (12) of described sliding seat (1) coordinates with the male cone (strobilus masculinus) (10) of the lower end of column (2) and fixes, and the Inner taper hole (12) of connector (3) coordinates with the male cone (strobilus masculinus) (10) of column (2) and fixes; Described Inner taper hole (12) is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with pin (6) by the locked groove on locking bar (4) after coordinating with male cone (strobilus masculinus) (10) and fixing; In order to make Inner taper hole (12) and male cone (strobilus masculinus) (10) can close fit, the tapering of described Inner taper hole (12) be consistent with the tapering of male cone (strobilus masculinus) (10);

Described self-locking device comprises lock-bit hole (5), pin (6), thrust spring (7), locking bar (4), sliding eye (9), locked groove, thrust spring (7) and pin (6) are installed in described lock-bit hole (5), pin (6) stretches out the surface of column (2) through one end of back handle from the central part of thrust spring (7), one end of lock-bit head is stretched in sliding eye (9) and is coordinated with the locked groove on locking bar (4), one end of thrust spring (7) is pressed on the lock-bit head of pin (6), it is upper or withstand on the jump ring that is fixed in lock-bit hole (5) that the other end withstands on lock-bit hole (5), described locking bar (4) has locked groove, and locked groove coordinates the inner conical surface (11) and male cone (strobilus masculinus) (10) that are automatically locked and post with the lock-bit head of pin (6),

Described base (16) is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be above fixed with key seat (17), at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described base (16) is for fixing key seat (17), stabilizer column (2) and support post (2) and bear all wt that key seat (17) bears, 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 base (16) from sliding on the ground with ground resulting in friction;

Described key seat (17) is the supporter supporting and install rotational pin (15), supporter has pin-and-hole (14) and locking screw, pin-and-hole (14) is for installing and fixing rotational pin (15) bear all wt that rotational pin (15) bears;

Near the pin-and-hole (14) of described locking screw on key 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 of base (16);

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

Described rotational pin (15) is pivot pin or bolt, for connecting key seat (17) and sliding seat (1) and bearing all wt that sliding seat (1) bears;

Described sliding seat (1) is Connection Block, lower part there is horizontal pin-and-hole (14), there is Inner taper hole (12) upper end of upper part, there is air gap position (8) below Inner taper hole (12) or the inside, Inner taper hole (12) is directly through with air gap position (8), is fixed with locking bar (4) at the middle part of the bottom of air gap position (8); The center line of described pin-and-hole (14) is with the central axis of Inner taper hole (12) or close to vertical; Being connected with key seat (17) below by rotational pin (15) of sliding seat (1), be connected with column (2) by Inner taper hole (12) above; 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 the cylinder that there is male cone (strobilus masculinus) (10) lower end, there are Inner taper hole (12) upper end, comprises connector (3) and column (2) two parts; Described column body to be connector (3) with column (2) the be fixed together entirety formed or the entirety be inherently connected; Column (2) does not have one end of male cone (strobilus masculinus) (10) and connector (3) not to have one end of Inner taper hole (12) to be connected or be fixed together to form entirety; The end face of the upper end of described connector (3) has Inner taper hole (12), and there is air gap position (8) the inside of Inner taper hole (12), is fixed with locking bar (4) in the bottom of air gap position (8); There is male cone (strobilus masculinus) (10) lower end of described column (2), has one end of male cone (strobilus masculinus) (10) to have sliding eye (9) and lock-bit hole (5); Described sliding eye (9) stretches in the cylinder of column (2) in the end of column (2); Described lock-bit hole (5) communicates with sliding eye (9) and wears out the surface of cylinder in the cylinder that column (2) has one end of male cone (strobilus masculinus) (10);

Described pin (6) comprises lock-bit head, middle part and handle three part, three parts are connected, after pin (6) passes thrust spring (7) in lock-bit hole (5), lock-bit head enters in sliding eye (9) and coordinates with the locked groove on locking bar (4), and handle portion stretches out the damaged surface of column (2); The leading section of described lock-bit head be acute angle bevel with face directly the shape of composition, towards the one side on locking bar (4) top be face directly, towards the one side of locking bar (4) fixed end be acute angle bevel, acute angle bevel is used for allowing the leading section oblique promotion lock-bit head of locking bar (4) retreat, and the one side faced directly for the right-angle side with lock-bit groove coordinates locked locking bar (4);

Described locking bar (4) is cylinder, and be fixed on the bottom of the air gap position (8) of Inner taper hole (12) the inside, locking bar (4) can slide at sliding eye (9), and locking bar (4) has locked groove; Described locked groove is the groove of right triangular shape or the inclined-plane of right-angled triangle is changed into the groove of arc-shaped side, upper corresponding with the position of lock-bit head at locking bar (4); The groove top of described right-angled triangle groove is acute angle, one side before the one side of notch and lock-bit groove is the face of right-angle side, the one side of right-angle side coordinates can stand fast by locking locking bar (4) with facing directly of lock-bit head, and the one side of hypotenuse coordinates with the inclined-plane of lock-bit cephalic par and limits the degree of depth that lock-bit head inserts lock-bit groove; Described lock-bit groove is used for coordinating with lock-bit head and producing locking effect, then the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10), and then make connector (3) and column body and sliding seat (1) and the fixation of column body;

Described pin is stepped on (13) and is comprised hanger, connecting pin and riding boogie board, hanger is fixed on the pedestal on column body, connecting pin is the pin connecting live hanger and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board;

Described air gap position (8) is in the inside of Inner taper hole (12), not inconsistent with the bottom of Inner taper hole (12) when Inner taper hole (12) are inserted in male cone (strobilus masculinus) (10) end for column (2), be convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);

Described sliding eye (9) is the bearing bore of the end at column (2), communicates with lock-bit hole (5), for holding locking bar (4) and allowing locking bar (4) slide in sliding eye (9);

Described lock-bit hole (5) is separately cavity, in one end of sliding eye (9) in the column (2) of male cone (strobilus masculinus) (10), mid portion and the one end, the inside that is large, hole, aperture of wearing out column (2) surface lock-bit head of being used for pin (6) aperture of stretching out is little, communicate with lock-bit hole (5), corresponding with the position of the lock-bit groove on locking bar (4), the part that the median pore radius of lock-bit hole (5) is large is used for installing the housing with the mating shapes in lock-bit hole (5); In lock-bit hole (5), be inlaid with the housing with the mating shapes of lock-bit hole (5), housing exposes or does not expose the damaged surface of column (2) in lock-bit hole (5); When housing exposes the damaged surface of column (2), the one end of exposing the damaged surface of column (2) connects with screw or rivets or be welded on the damaged surface of column (2); When housing does not expose the damaged surface of column (2), connect with screw or rivet or weld or be fixed in lock-bit hole (5) with jump ring; The inside and outside two ends of described housing manufacture porose, pin (6) and thrust spring (7) are installed in housing, thrust spring (7) is arranged between lock-bit head and housing, stretches out, lock-bit head stretches out from the hole of the inner face of housing after the handle of pin (6) passes from the centre of thrust spring (7) from the hole of housing outer face; Described housing for installing pin (6) and thrust spring (7), and pin (6) can be moved in housing;

Described thrust spring (7) is helical spring, and the lock-bit head for promoting pin (6) coordinates with the locked groove of locking bar (4) and completes automatic locking;

The inner conical surface (11) of described Inner taper hole (12) installs column body for coordinating with male cone (strobilus masculinus) (10), realize sliding seat (1) to fix with column body and the quick of column body with column body is fixing fast, be beneficial to the quick assembling of column body and quick demolition, play Fast Installation and effect fixing fast; And then make column body and connector (3) and column body and sliding seat (1) fixation respectively;

The weight that described sliding seat (1) is born for stabilizer column body and support post body and column body; The skid-proof rubber of described sliding seat (1) bottom surface plays the effect preventing sliding seat (1) slippage, and the skid-proof rubber on pin is stepped on (13) plays and prevents from pin from stepping on (13) getting on anti-skidding effect;

In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described column body and the connection between sliding seat (1) and column body and fix and all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) (10) of column body, in the Inner taper hole (12) of sliding seat (1), is coordinated with pin (6) by the locked groove on locking bar (4) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and sliding seat (1) of locking column (2); The male cone (strobilus masculinus) (10) of column body, in the Inner taper hole (12) of connector (3), is coordinated with pin (6) by the locked groove on locking bar (4) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and connector (3) of locking 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 handle of pin (6), after the lock-bit head of pin (6) front end exits the locked groove on locking bar (4), column body upwards one is lifted and automatically will be separated with Inner taper hole (12);

The conical surface comprises 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 and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part;

In order to can tilt ground on support post (2), when base (16) is arranged on smooth ground, the central axis of sliding seat (1), in base (16), ensure that the column (2) be arranged in sliding seat (1) is vertical or near perpendicular to horizontal plane; When base (16) is arranged on the ground of inclination, certain angle is rotated in sliding seat (1) untie-sell (15) that can rotate on base (16), ensure that the column (2) be arranged in sliding seat (1) is vertical or near perpendicular to horizontal plane;

Rotational pin (15) is adopted to be fastened on key seat (17) on base (16) and sliding seat (1), make sliding seat (1) untie-sell (15) that can rotate on base (16) rotate certain angle, reach when base (16) is arranged on the ground of inclination and ensure that the column (2) be arranged in sliding seat (1) keeps the object perpendicular to horizontal plane;

In order to make the assembling of upright fire ladder quick, base (16), key seat (17), rotational pin (15) and sliding seat (1) are the parts of entirety or the dispersion fitted together.

2. according to the upright fire ladder of claim 1, it is characterized in that: in order to can the locking inner conical surface (11) of working good and male cone (strobilus masculinus) (10) not loosen, the inner conical surface (11) that described lock-bit hole (5), pin (6), thrust spring (7), locking bar (4) and sliding eye (9) composition locking system be locked works good and male cone (strobilus masculinus) (10).

3., according to the upright fire ladder of claim 1, it is characterized in that: in order to reduce costs and alleviate the weight of ladder, described sliding seat (1) and column body are hollow bodies; Described column body is individual layer or multilayer in the combination of ladder, and sliding seat (1) is individual layer in the combination of ladder.

4. according to the upright fire ladder of claim 1, it is characterized in that: conveniently pack and transport, the fixing employing pin that described pin steps down on column body is connected and fixed, and pin steps down in one end be merely able to connector (3) on column body and draws in, is convenient to packaging; Described column body and sliding seat (1) can be dismantled completely and become independent parts, are beneficial to packaging and transport.

5. the using method of a upright fire ladder, it is characterized in that: the assemble method of upright fire ladder: during assembling, A, place the base (16) fitted together on the ground, key seat (17), rotational pin (15) and sliding seat (1), base (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 Inner 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 fix, and it is larger from the gravity of column (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, when male cone (strobilus masculinus) (10) in column (2) inserts Inner taper hole (12), locking bar (4) is inserted in sliding eye (9), when locking bar (4) enters into the position of lock-bit head, the leading section of locking bar (4) pushes acute angle bevel oblique promotion lock-bit head compression thrust spring (7) of locking head and outwards makes a concession, and the front end of locking bar (4) passes through the position of lock-bit head, after locking bar (4) is through lock-bit head, when the male cone (strobilus masculinus) (10) of column (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of sliding seat (1), lock-bit head enters in the locked groove on locking bar (4) under the powered of thrust spring (7), facing directly of lock-bit head coordinates locked locking bar (4) to stand fast with the one side of lock groove right-angle side, the inner conical surface (11) of laminating and male cone (strobilus masculinus) (10) locked, complete fixing and locking of column body and sliding seat (1), B, move the upper end of column body of inserting sliding seat (1) and make column (2) perpendicular to horizontal plane, lock bolt (18) again on rotational pin (15) seat compresses sliding seat (1), make sliding seat (1) can not rotate untie-sell (15) rotate, then make all columns (2) in sliding seat (1) all keep perpendicular to horizontal plane, and the angle allowing base (16) and sliding seat (1) be formed remain unchanged after being completely fixed, the lower end of sliding eye (9) is again had by column body to insert in the Inner taper hole (12) of connector (3) in C, Inner taper hole (12) again in the connector (3) of column body upper end, 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 fix, and larger from the gravity of column (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, when male cone (strobilus masculinus) (10) in column (2) inserts Inner taper hole (12), locking bar (4) is inserted in sliding eye (9), when locking bar (4) enters into the position of lock-bit head, the leading section of locking bar (4) pushes acute angle bevel oblique promotion lock-bit head compression thrust spring (7) of lock-bit head and outwards makes a concession, and the front end of locking bar (4) passes through the position of lock-bit head, after locking bar (4) is through lock-bit head, when the male cone (strobilus masculinus) (10) of column (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of connector (3), lock-bit head enters in the locked groove on locking bar (4) under the powered of thrust spring (7), facing directly of lock-bit head coordinates locked locking bar (4) to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole (12) and male cone (strobilus masculinus) (10) locked, afterwards, the male cone (strobilus masculinus) (10) of column body can insert in the Inner taper hole (12) of column body by Using such method again, completes being connected and fixed and locking between column body and column body, the assembling of column body and sliding seat (1) and column body and column body is very convenient, just can complete without any need for instrument,

The method for dismounting of upright fire ladder: during the column body of dismountable, pull the handle of pin (6), after the lock-bit head of pin (6) front end exits the locked groove on locking bar (4), column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) in the connector (3) of a root post body below, and locking bar (4) skids off from sliding eye (9); Now, as long as column body upwards one is lifted, the male cone (strobilus masculinus) (10) of column body will separate automatically with the Inner taper hole (12) of the connector (3) of a root post body below; When dismantling column body fixing in sliding seat (1), pull the handle of pin (6), after the lock-bit head of pin (6) front end exits the locked groove on locking bar (4), column body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) of sliding seat (1), and locking bar (4) skids off from sliding eye (9); Now, as long as column body upwards one is lifted, column (2) will separate automatically with sliding seat (1); The dismounting of column body and sliding seat (1) and column body and column body is very convenient, just can complete without any need for instrument;

Fire fighter is in fire-fighting or when speedily carrying out rescue work or rescue, first the base fitted together (16), key seat (17), rotational 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 of moving the column body inserting sliding seat (1) makes column (2) perpendicular to horizontal plane, screw lock bolt (18) again and compress sliding seat (1), make sliding seat (1) can not rotate untie-sell (15) rotate, then all columns (2) in sliding seat (1) are made all to keep perpendicular to horizontal plane, again needing the column body of height to take with oneself, the pin pin stepped down on column body is stepped on (13) and is climbed up, one section of assembling one section can be climbed, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a root post body again in superincumbent Inner taper hole (12), during descending stair, step down in pin and step on (13) and down climb, next section tears a root post body open, very convenient.

6. the manufacture method of a upright fire ladder, it is characterized in that: during fabrication, base (16), key seat (17), sliding seat (1) and column body adopt the aluminium alloys of light weight or the plastics manufacture of titanium alloy or carbon alloy or glass-reinforced plastic material or high strength, create hollow body or solid; Pin (6) adopts the plastics manufacture of metal material or glass-reinforced plastic material or high strength;

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

Described key seat (17) creates the supporter supporting and install rotational pin (15), and supporter manufactures pin-and-hole (14) and locking screw;

Described locking screw is manufactured near the pin-and-hole (14) on key seat (17), is equipped with lock bolt (18) in locking screw;

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

Described base (16) and key seat (17) manufacture as a whole, or the formation entirety that is fixed together after separately manufacturing;

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

Described sliding seat (1) creates Connection Block, lower part manufacture has horizontal pin-and-hole (14), the upper end of upper part manufactures Inner taper hole (12), below Inner taper hole (12) or the inside manufactures air gap position (8), Inner taper hole (12) is directly through with air gap position (8), is fixed with locking bar (4) at the middle part of the bottom of air gap position (8); The center line of described pin-and-hole (14) is with the central axis of Inner taper hole (12) or close to vertical; Being connected with key seat (17) below by rotational pin (15) of sliding seat (1), being connected with column body by Inner taper hole (12) and locking bar (4) above and fixing;

Described base (16), key seat (17), rotational pin (15) and sliding seat (1) are assembled into an independent entirety, are beneficial to the upright fire ladder of rapid-assembling;

Described column system causes cylinder, create column (2) and connector (3) two parts, column (2) and connector (3) two parts manufacture as a whole or are fixed together into as a whole after manufacturing respectively; The pin being fixedly connected with the folding that can draw in one end of the connector of column body (3) in the damaged surface pin of column body is stepped on (13), pin steps on cover to be had or is stained with skid-proof rubber, have male cone (strobilus masculinus) (10) in column (2) the end manufacture of column body, manufacturing in one end of male cone (strobilus masculinus) (10) has sliding eye (9) and lock-bit hole (5); Manufacture in the end that the connector (3) of column body is held and have Inner taper hole (12), Inner taper hole (12) creates the hole of tapering, manufacture below Inner taper hole (12) and have air gap position (8), be fixed with locking bar (4) in the bottom of air gap position (8);

Described sliding eye (9) is manufactured on the end that male cone (strobilus masculinus) (10) is held, and creates bearing bore or through hole, communicates with lock-bit hole (5);

Described lock-bit hole (5) creates independent cavity, be manufactured on the surface that cylinder worn out by column (2) in the cylinder of male cone (strobilus masculinus) (10), communicate with sliding eye (9), the aperture that corresponding with the position of the lock-bit groove on locking bar (4), the aperture that the part that mid portion is used for holder housing and wears out column (2) surface manufactures is large, the one end, the inside in hole manufactures for the lock-bit head extension of pin (6) is little; In lock-bit hole (5), be inlaid with the housing with the mating shapes of lock-bit hole (5), housing exposes or does not expose the damaged surface of column (2) in lock-bit hole (5); When housing exposes the damaged surface of column (2), the one end of exposing the damaged surface of column (2) connects with screw or rivets or be welded on the damaged surface of column (2); When housing does not expose the damaged surface of column (2), connect with screw or rivet or weld or be fixed in lock-bit hole (5) with jump ring; The inside and outside two ends of described housing manufacture porose, pin (6) and thrust spring (7) are installed in housing, thrust spring (7) is arranged between lock-bit head and housing, stretches out, lock-bit head stretches out from the hole of the inner face of housing after the handle of pin (6) passes from the centre of thrust spring (7) from the hole of housing outer face;

Described locking bar (4) creates cylinder, has locked groove in the upper manufacture of locking bar (4); Described locked groove creates the groove of right triangular shape, and be manufactured on locking bar (4) upper corresponding with the position of lock-bit head, groove top creates acute angle, and the one side before the one side of notch and lock groove creates the face of right-angle side;

Described pin (6) creates lock-bit head, middle part and handle three part, three parts create one, pin (6) is arranged in lock-bit hole (5) through after thrust spring (7), lock-bit head enters in sliding eye (9) and coordinates with the locked groove on locking bar (4), and handle portion stretches out the damaged surface of column (2); The leading section of described lock-bit head create acute angle bevel with face directly composition shape, towards the one side on locking bar (4) top be face directly, towards the one side of locking bar (4) fixed end be acute angle bevel;

Described pin is stepped on (13) and is created hanger, connecting pin and riding boogie board three part, hanger creates the pedestal be fixed on column body, connecting pin creates the pin connecting hanger and riding boogie board, riding boogie board creates the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board;

Thrust spring (7) creates helical spring;

The connection of described column body and sliding seat (1) and column body and column body and fixingly all adopt cone match, is beneficial to quick assembling and quick demolition; During assembling, column body and sliding seat (1) and column body and column body are pressed tighter and tighter and are realized automatic fastening under the effect of the gravity born and self gravitation; During demolition, after pulling handle to make pin (6) exit locked groove, column body upwards one is lifted male cone (strobilus masculinus) and automatically will be separated with Inner taper hole;

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;

Tapering and the tapering that male cone (strobilus masculinus) (10) coordinates of described Inner taper hole (12) create consistent or close to consistent tapering;

Described base (16) is fixed with key seat (17), and rotational pin (15) links together key seat (17) and sliding seat (1) through the pin-and-hole (14) of the pin-and-hole (14) on key seat (17) and sliding seat (1) bottom, described sliding seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fixes, and is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the lock-bit head in the column (2) being arranged on column body by the locked groove on the locking bar (4) of bottom, the air gap position (8) that is fixed on sliding seat (1), Inner taper hole (12) is had in connector (3) end in column body upper end, the male cone (strobilus masculinus) (10) of column body lower end inserts in the Inner taper hole (12) in the connector (3) of a root post body below, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fix, and being coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the lock-bit head in the column (2) being arranged on column body by the locked groove on the locking bar (4) of bottom, the air gap position (8) that is fixed on connector (3), described lock-bit hole (5) is manufactured on and communicates with sliding eye (9) in the cylinder of the column (2) of male cone (strobilus masculinus) (10), thrust spring (7) and pin (6) are installed in lock-bit hole (5), the handle portion of pin (6) is from the surface of stretching out column (2) after the central part of thrust spring (7) passes, the lock-bit head of pin (6) stretch out lock-bit hole (5) afterwards with insert in sliding eye (9) or insert in the locked groove on locking bar (4), thrust spring (7) is arranged on the middle part of pin (6), one end of thrust spring (7) is pressed on the lock-bit head of pin (6), the other end withstands on lock-bit hole (5), the pin being fixed with the folding that can draw in one end of the connector of column body (3) in the damaged surface of column body is stepped on (13), and pin steps on cover to be had or be stained with skid-proof rubber, below base (16), be stained with skid-proof rubber.