CN204646066U - Fire-fighting vertical ladder - Google Patents

Abstract

A kind of fire-fighting vertical ladder, its base is fixed with key seat, and rotational pin connects key seat and sliding seat, adjusts the angle of base and sliding seat with gravity cone and locks with lock bolt; The Inner taper hole of sliding seat or the Inner taper hole of column body coordinate with the male cone (strobilus masculinus) of column body and fix; 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 working good with male cone (strobilus masculinus); The damaged surface of column body is fixed with pin and steps on, and pin steps on and is stained with skid-proof rubber, is stained with skid-proof rubber below sliding seat.Structure of the present utility model is simple, manufactures, assembles and uses very convenient, do not need instrument in ladder assembly and disassembly process in use; After adopting fire-fighting vertical ladder, solve the difficult problem that fire fighter uprightly climbs and stands on the ground tilted, climbing is convenient, and climbing assembling hourly velocity is fast, convenient and reliable; After using, dismounting, packaging and convenient transportation, reduce cost of production and use cost.

Description

Fire-fighting vertical ladder

Technical field

The utility model relate to a kind of for fire fighter fire-fighting, speedily carry out rescue work and rescue time the fire-fighting vertical 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 utility model relates to is to provide a kind of being beneficial to carry, be convenient to the fire-fighting vertical ladder laying, assemble and climb.

For achieving the above object, fire-fighting vertical ladder described in the utility model comprises base, key seat, lock bolt, rotational pin, sliding seat, gravity cone, 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, the lower part that lock bolt exceedes the lock bolt of locking screw screw end after screwing in the locking screw on key seat is pressed in sliding seat locks the fit angle of sliding seat and 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 by Inner taper hole and is fixed, and 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, being provided with in the outside of the Inner taper hole part of sliding seat lives turns hole, and the taper shank of the upper end of gravity cone inserts to live and to turn in hole fixing and turns in hole and can freely rotate living; 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 provided with in the outside of the Inner taper hole part of sliding seat lives turns hole, and the hole that turns alive being circular hole, boring for installing gravity; 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 gravity cone is the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone for directly observe column and the ground be arranged in sliding seat angle and as reference object when adjusting uprights vertical in horizontal plane.

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 in one end of sliding eye in the column of male cone (strobilus masculinus), the mid portion in lock-bit hole and wear out that the aperture in hole of leg surface is large, the one end, the inside in lock-bit hole is little for the aperture of the part that the lock-bit head of pin stretches out, 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.

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 structure of the utility model fire-fighting vertical ladder is simple, manufactures, assembles and uses very convenient, do not need instrument in ladder assembly and disassembly process in use; After adopting fire-fighting vertical ladder, solve the difficult problem that fire fighter uprightly climbs and stands on the ground tilted, during climbing, the speed of assembling fire-fighting vertical ladder 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 fire-fighting vertical ladder;

Fig. 2 is the schematic diagram of the outward appearance of column body;

Fig. 3 is the schematic diagram of the internal construction of column body;

Fig. 4 is the internal construction schematic diagram connected between column body;

Fig. 5 is the sectional structure schematic diagram of sliding seat;

Fig. 6 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. 7 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, gravity cone 19.

Detailed description of the invention

The utility model fire-fighting vertical ladder mainly comprises base 16, key seat 17, lock bolt 18, rotational pin 15, sliding seat 1, gravity cone 19, 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 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, being provided with in the outside of Inner taper hole 12 part of sliding seat 1 lives turns hole, the taper shank of the upper end of gravity cone 19 inserts to live and turns fixing in hole and turn in hole can freely rotate alive, 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 provided with in the outside of Inner taper hole 12 part of sliding seat 1 lives turns hole, and the hole that turns alive being circular hole, boring 19 for installing gravity; 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 gravity cone 19 is the vertical bars with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone 19 is arranged on column 2 in sliding seat 1 with the angle on ground with as adjusting column 2 perpendicular to reference object during horizontal plane for directly observing.

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 in one end of sliding eye 9 in the column 2 of male cone (strobilus masculinus) 10, the mid portion in lock-bit hole and wear out that the aperture on column 2 surface is large, the one end, the inside in lock-bit hole is little for the aperture of the part that the lock-bit head of pin 6 stretches out, 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.

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.

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 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 fire-fighting vertical 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.Point-blank whether the parallel lines of B, the center line of vertical bar observing gravity cone 19 and the center line of column body, time not point-blank, the upper end of moving the column body inserted in sliding seat 1 makes the parallel lines of the center line of column body and gravity bore the center line of the vertical bar of 19 point-blank, lock bolt 18 again on rotational pin 15 compresses the lower part of sliding seat 1, sliding seat 1 untie-sell 15 that can not rotate is rotated, allow base 16 remain unchanged with the angle of sliding seat 1, ensure that the column 2 be arranged on above sliding seat 1 is perpendicular to horizontal plane; Time point-blank, the lower part of sliding seat 1 is compressed with regard to the lock bolt 18 on direct rotational pin 15, sliding seat 1 untie-sell 15 that can not rotate is rotated, allows base 16 remain unchanged with the angle of sliding seat 1, ensure that the column 2 be arranged on above sliding seat 1 is perpendicular to horizontal plane.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 fire-fighting vertical 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, point-blank whether the center line of vertical bar of observation gravity cone 19 and the parallel lines of the center line of column 2, time not point-blank, the upper end of moving the column body inserting sliding seat 1 makes the parallel lines of the center line of column body and gravity bore the center line of the vertical bar of 19 point-blank, screw lock bolt 18 again and compress sliding seat 1, sliding seat 1 untie-sell 15 that can not rotate is rotated, 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, 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 (3)

1. a fire-fighting vertical ladder, is characterized in that: described fire-fighting vertical ladder comprises base (16), key seat (17), lock bolt (18), rotational pin (15), sliding seat (1), gravity cone (19), 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, the lower part that lock bolt (18) exceedes the lock bolt (18) of locking screw end after screwing in the locking screw on key seat (17) is pressed in sliding seat (1) locks the fit angle of sliding seat (1) and 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), be provided with to live in the outside of Inner taper hole (12) part of sliding seat (1) and turn hole, the taper shank of the upper end of gravity cone (19) inserts to live and turns fixing in hole and turn in hole can freely rotate alive, 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);

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 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;

Near the pin-and-hole (14) of described locking screw on key seat (17);

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;

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; Be provided with to live in the outside of Inner taper hole (12) part of sliding seat (1) and turn hole, the hole that turns alive being circular hole, boring (19) for installing gravity; 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;

Described gravity cone (19) is the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone (19) is arranged on the column (2) in sliding seat (1) with the angle on ground with as adjusting column (2) perpendicular to reference object during horizontal plane for directly observing;

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;

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 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);

Described sliding eye (9) is the bearing bore of the end at column (2), communicates with lock-bit hole (5);

Described lock-bit hole (5) in one end of sliding eye (9) in the column (2) of male cone (strobilus masculinus) (10), the aperture of the part that the lock-bit head that the mid portion in lock-bit hole one end, the inside that is large with the aperture of the part of wearing out column (2) surface, lock-bit hole is used for pin (6) stretches out is little, communicate with lock-bit hole (5), corresponding with the position of the lock-bit groove on locking bar (4); 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 thrust spring (7) is helical spring.

2. fire-fighting vertical ladder according to claim 1, is characterized in that: in order to reduce costs and alleviate the weight of ladder, and 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.

3. fire-fighting vertical ladder according to 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, 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.