CN104747066B

CN104747066B - Upright fire-fighting rack

Info

Publication number: CN104747066B
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: 2016-08-03
Anticipated expiration: 2035-02-24
Also published as: CN104747066A

Abstract

A kind of upright fire-fighting rack, its base is fixed with key seat, and rotational pin connects key seat and sliding seat, lock bolt locking base and the angle of sliding seat；The taper hole of sliding seat or the taper hole of column body coordinate with the male cone (strobilus masculinus) of column body and fix；Taper hole is coordinated with pin by the locked groove on locking bar after working good with male cone (strobilus masculinus) and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked；The damaged surface of column body is fixed with foot and steps on, and foot steps on and is stained with skid-proof rubber, is stained with skid-proof rubber below sliding seat.The simple in construction of the present invention, manufactures, assembles and uses very convenient, need not instrument during ladder assembly and disassembly in use；After using upright fire-fighting rack, solving the difficult problem that fire fighter uprightly climbs and stands, the speed assembling upright fire-fighting rack during climbing is fast, convenient, safe and reliable, and climbs conveniently；After using, dismantle, pack and convenient transportation, reduce production cost and use cost.

Description

Upright fire-fighting rack

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-fighting rack uprightly climbed.

Background technology

The fire-fighting rack that fire fighter uses now is essentially all folding fire-fighting rack, and volume is the longest, is unfavorable for that fire fighter carries, and opens and lay during ladder laborious.

Summary of the invention

The purpose that the present invention relates to is to provide for a kind of being beneficial to carry, be easy to the upright fire-fighting rack laying, assemble and climb and manufacture and method.

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

It is fixed with key seat on described base, pin-and-hole and locking screw is had on key seat, 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 the screw end of the lock bolt that lock bolt exceedes locking screw 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；The above of described sliding seat has internal taper hole, below internal taper hole or there is air gap position the inside, the bottom of air gap position be fixedly arranged in the middle of locking bar, sliding seat is coordinated by the male cone (strobilus masculinus) of internal taper hole with column body lower end and fixes, and the lock-bit groove and the lock-bit head in the column being arranged on column body by being fixed on the locking bar bottom the air gap position of sliding seat coordinates and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked；Internal taper hole is had in the connection head end of column body upper end, there is air gap position below internal taper hole or the inside, the bottom of air gap position be fixedly arranged in the middle of locking bar, the male cone (strobilus masculinus) of column body lower end inserts in the internal taper hole in the union joint of a following root post body, coordinated by the male cone (strobilus masculinus) of internal taper hole with column body lower end and fix, and the lock-bit groove and the lock-bit head in the column being arranged on column body by being fixed on the locking bar bottom the air gap position of union joint coordinates and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked；Damaged surface at column body is fixed with the foot of the folding that can draw in one end of the union joint of column body and steps on, and foot steps on and is cased with or is stained with skid-proof rubber.

In the male cone (strobilus masculinus) of described column body lower end inserts the internal taper hole of sliding seat or in the internal taper hole of the union joint that inserts a following root post body upper end, the sliding eye of the end of male cone (strobilus masculinus) end is enclosed within locking bar, lock-bit groove on locking bar coordinates with the lock-bit head of pin and locks locking bar and do not slide, then the coordinating of locking inner conical surface and male cone (strobilus masculinus).

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

Described self-locking device includes lock-bit hole, pin, thrust spring, locking bar, sliding eye, lock-bit groove, in described lock-bit hole, thrust spring and pin are installed, pin stretches out the surface of column from the central part of thrust spring through one end of back handle, one end of lock-bit head stretch in sliding eye with the lock-bit slot fit 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 withstands on the jump ring being fixed in lock-bit hole；Lock-bit groove, lock-bit groove is had to coordinate, with the lock-bit head of pin, the inner conical surface and male cone (strobilus masculinus) posted that be automatically locked on described locking bar.

Described base is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be fixed on key seat, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber；Described base, for fixing key seat, stabilizer column and support post and bearing all wt that key seat is born, 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 is the supporter supporting and installing rotational pin, and supporter has pin-and-hole and locking screw, and pin-and-hole is for installing and fix rotational pin and bearing all wt that rotational pin is born.

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

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

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

Described sliding seat be connect seat, lower part has horizontal pin-and-hole, there is internal taper hole the upper end of upper part, and there is air gap position below internal taper hole or the inside, and internal taper hole is the most through with air gap position, air gap position bottom be fixedly arranged in the middle of locking bar；The centrage of described pin-and-hole and the central axis of internal taper hole or close to vertical；Being connected with key seat below by rotational pin of sliding seat, it is connected with column above with internal taper hole；The all wt that described sliding seat is born for stabilizer column and support post and column.

Described column body is that lower end has male cone (strobilus masculinus), upper end to have the cylinder of internal taper hole, including union joint and column two parts；Described column body is union joint and column is fixed together the entirety formed, or the entirety being inherently connected；Column does not has one end of male cone (strobilus masculinus) not have with union joint one end of internal taper hole to be connected or is fixed together formation entirety.The end face of the upper end of described union joint has internal taper hole, and there is air gap position the inside of internal 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 column have male cone (strobilus masculinus) one end cylinder in communicate and wear out the surface of cylinder with sliding eye.

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

Described locking bar is cylinder, is fixed on the bottom of air gap position inside internal taper hole, and locking bar can slide at sliding eye, has lock-bit groove on locking bar.Described lock-bit 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 right-angle side of the one side before lock-bit groove coordinates can stand fast by locking locking bar with facing directly of lock-bit head, and the one side of hypotenuse coordinates the degree of depth limiting lock-bit head insertion lock-bit groove with the inclined-plane of lock-bit cephalic par；Described lock-bit groove is used for coordinating with lock-bit head and producing locking effect, the most locked inner conical surface posted and male cone (strobilus masculinus), and then makes union joint and column body and sliding seat and column body fixation.

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

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

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

Described lock-bit hole is to be individually 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 big, aperture that the one end, the inside in hole is stretched out for the lock-bit head of pin little, communicate with lock-bit hole, corresponding with the position of the lock-bit groove on locking bar, the part that the median pore radius in lock-bit hole is big is used for installing the housing of the mating shapes with lock-bit hole.Being inlaid with the housing of mating shapes with lock-bit hole in lock-bit hole, housing exposes in lock-bit hole or does not expose the damaged surface of column；When housing exposes the damaged surface of column, one end screw of the damaged surface exposing column connects 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, and the handle of pin stretches out from the hole of housing outer face after the centre of thrust spring passes, lock-bit head stretches out from the hole of the inner face of housing.Described housing is used for installing pin and thrust spring, and pin can be moved in housing.

Described thrust spring is helical spring, for promoting the lock-bit head of pin and the lock-bit slot fit of locking bar to complete automatic locking.

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

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

In order to increase connectivity robustness and the stability of ladder, improve the speed of installation and demolition, connection between described column body and sliding seat and column body and fixing all use cone match, beneficially quick assembling and quick demolition；The male cone (strobilus masculinus) of column body, in the internal taper hole of sliding seat, is coordinated with pin by the lock-bit 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 sliding seat；The male cone (strobilus masculinus) of column body, in the internal taper hole of union joint, is coordinated with pin by the lock-bit 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 union joint.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 lock-bit groove on locking bar, column body upwards one is lifted and automatically will be separated with internal taper hole.

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

In order on the ground tilted support post, when floor installation is on smooth ground, the central axis of sliding seat is in base, it is ensured that the uprights vertical that is arranged in sliding seat or be approximately perpendicular to horizontal plane；When floor installation is on the ground tilted, sliding seat can rotate certain angle around rotational pin on base, it is ensured that the uprights vertical that is arranged in sliding seat or be approximately perpendicular to horizontal plane.

Use the key seat that is fastened on base of rotational pin and sliding seat, make sliding seat can rotate certain angle around rotational pin on base, reach to ensure that the column being arranged in sliding seat remains perpendicular to the purpose of horizontal plane when making floor installation on the ground tilted.

In order to the assembling making upright fire-fighting rack is quick, base, key seat, rotational pin be assembled in sliding seat together with overall or scattered parts.

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

In order to reduce cost and alleviate the weight of ladder, described sliding seat and column body are hollow bodies；Described column body is monolayer or multilamellar in the combination of ladder, and sliding seat is monolayer in the combination of ladder.

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

Packing for convenience and transport, described foot steps down in the fixing employing pin on column body and connects fixing, and foot steps down in and is merely able on column body draw in one end of union joint, it is simple to packaging；Described column body and sliding seat can completely be dismantled and become single parts, is beneficial to packaging and transport.

The assemble method of upright fire-fighting rack: during assembling, A, place base, key seat, rotational pin and the sliding seat fitted 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 internal taper hole of sliding seat, under the effect of self gravitation, the male cone (strobilus masculinus) of column and the inner conical surface of sliding seat naturally fits and are fixed, and the gravity depressed from column is the biggest, and inner conical surface and male cone (strobilus masculinus) are fitted the tightst and more firm；When the male cone (strobilus masculinus) of column inserts internal 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；After locking bar passes lock-bit head, when the male cone (strobilus masculinus) of column contacts firm with the inner conical surface of the internal taper hole of sliding seat, lock-bit head enters in the lock-bit groove on locking bar under the powered of thrust spring, the one side with lock-bit groove right-angle side of facing directly of lock-bit head coordinates locked locking bar to stand fast, locked to inner conical surface and the male cone (strobilus masculinus) of laminating, complete column body and the fixing of sliding seat and locking.B, the upper end of the column body moving insertion sliding seat make uprights vertical in horizontal plane, the lock bolt being rotated further by key seat compresses sliding seat, make sliding seat can not rotate around rotational pin, then make all of column in sliding seat all remain perpendicular to horizontal plane, and the angle allowing base and sliding seat be formed be completely fixed after keep constant.The lower end that column body has in C, the again internal taper hole in the union joint of column body upper end sliding eye again is inserted in the internal taper hole of union joint, under the effect of self gravitation, the male cone (strobilus masculinus) of column and the inner conical surface of union joint are naturally fitted and are fixed, and the gravity of pressure is the biggest from column, inner conical surface and male cone (strobilus masculinus) are fitted the tightst and more firm；When the male cone (strobilus masculinus) of column inserts internal 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；After locking bar passes lock-bit head, when the male cone (strobilus masculinus) of column contacts firm with the inner conical surface of the internal taper hole of union joint, lock-bit head enters in the lock-bit groove on locking bar under the powered of thrust spring, the one side with lock-bit groove right-angle side of facing directly of lock-bit head coordinates locked locking bar to stand fast, locked to internal taper hole and the male cone (strobilus masculinus) of laminating；Afterwards, during the male cone (strobilus masculinus) of column body can be inserted the internal taper hole of column body by method again according to this, complete the connection between column body and column body and fix and locking.Column body is very convenient with the assembling of column body with sliding seat and column body, it is not necessary to any instrument just can complete.

The method for dismounting of upright fire-fighting rack: during the column body of dismountable, pull the handle of pin, after the lock-bit head of pin front end exits the lock-bit groove on locking bar, column body upwards one is drawn or one lifts and automatically will separate with the internal taper hole in the union joint of a following root post body, 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 internal taper hole of the union joint of a following root post body.During fixing in dismounting sliding seat column body, pulling the handle of pin, after the lock-bit head of pin front end exits the lock-bit groove on locking bar, column body upwards one is drawn or one lifts and automatically will separate with the internal taper hole of sliding seat, locking bar skids off from sliding eye；Now, as long as column body upwards one is lifted, column will separate automatically with sliding seat.Column body is very convenient with the dismounting of column body with sliding seat and column body, it is not necessary to any instrument just can complete.

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 moving the column body inserting sliding seat makes uprights vertical in horizontal plane, screw lock bolt again and compress sliding seat, make sliding seat can not rotate around rotational pin, then make all of column in sliding seat all remain perpendicular to horizontal plane；The column body needing height being taken with oneself, foot steps down in the foot on column body and steps on and climb up again, and can climb one section and assemble one section, when climbing to the top of ladder during cat ladder, climb up after being inserted into a root post body in superincumbent internal taper hole again.During descending stair, stepping down in foot and step on and down climb, next section tears a root post body open, very convenient.

The manufacture method of described upright fire-fighting rack, it is characterised in that:

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

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

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

Described locking screw manufactures 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 create an entirety, or separately manufactured after be fixed together one entirety of formation.

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

Described sliding seat creates connection seat, lower part manufacture has horizontal pin-and-hole, and the upper end of upper part manufactures internal taper hole, and below internal taper hole or the inside manufactures air gap position, internal taper hole is the most through with air gap position, air gap position bottom be fixedly arranged in the middle of locking bar；The centrage of described pin-and-hole and the central axis of internal taper hole or close to vertical；Being connected with key seat below by rotational pin of sliding seat, it is connected with column body above with internal taper hole and locking bar and fixes.

Described base, key seat, rotational pin and sliding seat is assembled into a single entirety, is beneficial to quickly assemble upright fire-fighting rack.

Described column system causes cylinder, and creating to be fixed together after column and union joint two parts, column and union joint two parts create an entirety or manufacture respectively becomes an entirety；Damaged surface pin at column body is fixedly connected with the foot of the folding that can draw in one end of the union joint of column body and steps on, foot steps on and is cased with or is stained with skid-proof rubber, stud end manufacture at column body has male cone (strobilus masculinus), and manufacturing in one end of male cone (strobilus masculinus) has sliding eye and lock-bit hole；Manufacturing in the end connecting head end of column body has internal taper hole, internal taper hole to create tapered hole, and below internal taper hole, manufacture has air gap position, is fixed with locking bar in the bottom of air gap position.

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

Described lock-bit hole creates single cavity, manufacture the surface wearing out cylinder at column in the cylinder of male cone (strobilus masculinus), communicate with sliding eye, corresponding with the position of the lock-bit groove on locking bar, the aperture that the mid portion in lock-bit hole manufactures for the part installing housing and wear out leg surface is big, the one end, the inside in hole is little for the aperture of the lock-bit head extension manufacture of pin.Being inlaid with the housing of mating shapes with lock-bit hole in lock-bit hole, housing exposes in lock-bit hole or does not expose the damaged surface of column；When housing exposes the damaged surface of column, one end screw of the damaged surface exposing column connects 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, and the handle of pin stretches out from the hole of housing outer face after the centre of thrust spring passes, lock-bit head stretches out from the hole of the inner face of housing.

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

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

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

Thrust spring creates helical spring.

Described column body and sliding seat and column body and the connection of column body and fixing all use cone match, beneficially quick assembling and quick demolition；During assembling, column body is pressed tighter and tighter with sliding seat and column body under the effect of the gravity born and self gravitation with column body and is realized automatic fastening；During demolition, after pulling handle to make pin exit lock-bit groove, column body upwards one is lifted male cone (strobilus masculinus) and will automatically be separated by internal taper hole.

The conical surface creates inner conical surface and male cone (strobilus masculinus), inner conical surface and male cone (strobilus masculinus) and creates 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.

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

Being fixed with key seat on described base, 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 by the male cone (strobilus masculinus) of internal taper hole with column body lower end and fixes, and the lock-bit groove and the lock-bit head in the column being arranged on column body by being fixed on the locking bar bottom the air gap position of sliding seat coordinates and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked；Internal 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 internal taper hole in the union joint of a following root post body, coordinated by the male cone (strobilus masculinus) of internal taper hole with column body lower end and fix, and the lock-bit groove and the lock-bit head in the column being arranged on column body by being fixed on the locking bar bottom the air gap position of union joint coordinates and the inner conical surface and male cone (strobilus masculinus) that post of being automatically locked.Described lock-bit hole manufactures and communicates with sliding eye in the cylinder near the column of male cone (strobilus masculinus), thrust spring and pin are installed in lock-bit hole, the handle portion of pin stretches out the surface of column after the central part of thrust spring passes, the lock-bit head of pin inserts in the lock-bit groove the locking bar in sliding eye after stretching out lock-bit hole, 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；Damaged surface at column body is fixed with the foot of the folding that can draw in one end of the union joint of column body and steps on, and foot steps on and is cased with or is stained with skid-proof rubber, is stained with skid-proof rubber below base.

The simple in construction of the upright fire-fighting rack of the present invention, manufactures, assembles and uses very convenient, need not instrument during ladder assembly and disassembly in use；After using upright fire-fighting rack, solving the difficult problem that fire fighter uprightly climbs and stands on the ground tilted, the speed assembling upright fire-fighting rack during climbing is fast, convenient, safe and reliable, and climbs conveniently；After using, dismantle, pack and convenient transportation, reduce production cost and use cost.

Accompanying drawing explanation

Fig. 1 is the package assembly schematic diagram of upright fire-fighting rack.

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

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

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

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

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

Shown in figure: sliding seat 1, column 2, union joint 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, internal taper hole 12, foot 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-fighting rack of the present invention mainly includes 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, lock-bit groove, male cone (strobilus masculinus) 10, internal taper hole 12, inner conical surface 11；

It is fixed with key seat 17 on described base 16, pin-and-hole 14 and locking screw is had on key seat 17, rotational pin 15 passes the pin-and-hole 14 on key seat 17 and 14 key seats 17 of pin-and-hole of sliding seat 1 bottom and sliding seat 1 links together, and the screw end of lock bolt 18 exceedes locking screw lock bolt 18 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；The above of described sliding seat 1 has internal taper hole 12, below internal taper hole 12 or there is air gap position 8 the inside, the bottom of air gap position 8 be fixedly arranged in the middle of locking bar 4, sliding seat 1 is coordinated by the male cone (strobilus masculinus) 10 of internal taper hole 12 with column body lower end and fixes, and the lock-bit groove and the lock-bit head in the column 2 being arranged on column body by being fixed on the locking bar 4 bottom the air gap position 8 of sliding seat 1 coordinates and the inner conical surface 11 and male cone (strobilus masculinus) 10 that post of being automatically locked；Internal taper hole 12 is had in union joint 3 end of column body upper end, there is air gap position 8 below internal taper hole 12 or the inside, the bottom of air gap position 8 be fixedly arranged in the middle of locking bar 4, the male cone (strobilus masculinus) 10 of column body lower end inserts in the internal taper hole 12 in the union joint 3 of a following root post body, coordinated by the male cone (strobilus masculinus) 10 of internal taper hole 12 with column body lower end and fix, and the lock-bit groove and the lock-bit head in the column 2 being arranged on column body by being fixed on the locking bar 4 bottom the air gap position 8 of union joint 3 coordinates and the inner conical surface 11 and male cone (strobilus masculinus) 10 that post of being automatically locked；Damaged surface at column body is fixed with the foot of the folding that can draw in one end of the union joint 3 of column body and steps on 13, and foot steps on and is cased with or is stained with skid-proof rubber.

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

Described internal taper hole 12 is tapered hole, has inner conical surface 11 in internal taper hole 12.The internal 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 internal taper hole 12 of union joint 3 coordinates with the male cone (strobilus masculinus) 10 of column 2 and fixes；Described internal taper hole 12 is coordinated with pin 6 by the lock-bit groove on locking bar 4 after coordinating with male cone (strobilus masculinus) 10 and fixing and the inner conical surface 11 and male cone (strobilus masculinus) 10 that post of being automatically locked.In order to make internal taper hole 12 and male cone (strobilus masculinus) 10 can close fit, the tapering of described internal taper hole 12 is consistent with the tapering of male cone (strobilus masculinus) 10.

Described self-locking device includes lock-bit hole 5, pin 6, thrust spring 7, locking bar 4, sliding eye 9, lock-bit 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 stretch into sliding eye 9 in and locking bar 4 lock-bit slot fit, 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 withstands on the jump ring being fixed in lock-bit hole 5；Having lock-bit groove on described locking bar 4, lock-bit groove coordinates the inner conical surface 11 and male cone (strobilus masculinus) 10 posted that be automatically locked 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 fixed on key seat 17, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber；Described base 16, for fixing key seat 17, stabilizer column 2 and support post 2 and bearing all wt that key seat 17 is born, 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 installing rotational pin 15, and supporter has pin-and-hole 14 and locking screw, and pin-and-hole 14 is for installing and fix rotational pin 15 and bearing all wt that rotational pin 15 is born.

Near described locking screw pin-and-hole 14 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 screw, can rotate in locking screw, produces friction and play locking effect when screw end contacts with the lower part of sliding seat 1.

Described 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 is born.

Described sliding seat 1 is to connect seat, having horizontal pin-and-hole 14 on lower part, there is internal taper hole 12 upper end of upper part, and there is air gap position 8 below internal taper hole 12 or the inside, internal taper hole 12 is the most through with air gap position 8, air gap position 8 bottom be fixedly arranged in the middle of locking bar 4；The centrage of described pin-and-hole 14 and the central axis of internal taper hole 12 or close to vertical；Being connected with key seat 17 below by rotational pin 15 of sliding seat 1, it is connected with column 2 above with internal taper hole 12；The all wt that described sliding seat 1 is born for stabilizer column 2 and support post 2 and column 2.

Described column body is that lower end has male cone (strobilus masculinus) 10, upper end to have the cylinder of internal taper hole 12, including union joint 3 and column 2 two parts；Described column body is union joint 3 and column 2 is fixed together the entirety formed, or the entirety being inherently connected；Column 2 does not has one end of male cone (strobilus masculinus) 10 not have one end of internal taper hole 12 to be connected with union joint 3 or is fixed together formation entirety.The end face of the upper end of described union joint 3 has internal taper hole 12, the inside of internal 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 column 2 in the end of column 2；Described lock-bit hole 5 column 2 have male cone (strobilus masculinus) 10 one end cylinder in communicate and wear out the surface of cylinder with sliding eye 9.

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

Described locking bar 4 is cylinder, is fixed on the bottom of air gap position 8 inside internal taper hole 12, and locking bar 4 can slide at sliding eye 9, has lock-bit groove on locking bar 4.Described lock-bit 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 the degree of depth limiting lock-bit head insertion lock-bit groove with the inclined-plane of lock-bit cephalic par；Described lock-bit groove is used for coordinating with lock-bit head and producing locking effect, the most locked inner conical surface 11 posted and male cone (strobilus masculinus) 10, and then makes union joint 3 and column body and sliding seat 1 and column body fixation.

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

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

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

Described lock-bit hole 5 is to be individually 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 big, aperture that the one end, the inside in hole is stretched out for the lock-bit head of pin 6 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 in lock-bit hole 5 is big is used for installing the housing of the mating shapes with lock-bit hole 5.Being inlaid with the housing of mating shapes with lock-bit hole 5 in lock-bit hole 5, housing exposes in lock-bit hole 5 or does not expose the damaged surface of column 2；When housing exposes the damaged surface of column 2, one end screw of the damaged surface exposing column 2 connects 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, and the handle of pin 6 stretches out from the hole of housing outer face after the centre of thrust spring 7 passes, lock-bit head stretches out from the hole of the inner face of housing.Described housing is used for installing pin 6 and thrust spring 7, and pin 6 can be moved in housing.

Described thrust spring 7 is helical spring, for promoting the lock-bit head of pin 6 and the lock-bit slot fit of locking bar 4 to complete automatic locking.

The inner conical surface 11 of described internal taper hole 12 is for coordinating with male cone (strobilus masculinus) 10 and installing column body, realize sliding seat 1 and column body is quickly fixing and column body is fixed with the quick of column body, it is beneficial to the quick assembling of column body and quick demolition, plays Fast Installation and the most fixing effect；And then make column body and union joint 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 sliding, and foot is stepped on the skid-proof rubber on 13 and played and prevent foot from stepping on 13 up the most anti-skidding effects.

In order to increase connectivity robustness and the stability of ladder, improve the speed of installation and demolition, connection between described column body and sliding seat 1 and column body and fixing all use cone match, beneficially quick assembling and quick demolition；The male cone (strobilus masculinus) 10 of column body, in the internal taper hole 12 of sliding seat 1, is coordinated with pin 6 by the lock-bit groove on locking bar 4 and not the loosening coordinating of inner conical surface 11 of the male cone (strobilus masculinus) 10 and sliding seat 1 that pin and lock column 2；The male cone (strobilus masculinus) 10 of column body, in the internal taper hole 12 of union joint 3, is coordinated with pin 6 by the lock-bit groove on locking bar 4 and not the loosening coordinating of inner conical surface 11 of the male cone (strobilus masculinus) 10 and union joint 3 that pin and lock column 2.During assembling, inner conical surface 11 and male cone (strobilus masculinus) 10 are at the gravity born and press tighter and tighter under the effect of column body self gravitation and realize automatic fastening；During demolition, pull the handle of pin 6, after the lock-bit head of pin 6 front end exits the lock-bit groove on locking bar 4, column body upwards one is lifted and automatically will be separated with internal taper hole 12.

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

In order to tilt ground on support post 2, when base 16 is arranged on smooth ground, the central axis of sliding seat 1 is in base 16, it is ensured that the column 2 being arranged in sliding seat 1 is vertical or near perpendicular to horizontal plane；When base 16 is arranged on the ground of inclination, sliding seat 1 can rotate certain angle around rotational pin 15 on base 16, it is ensured that the column 2 being arranged in sliding seat 1 is vertical or near perpendicular to horizontal plane.

Use the key seat 17 that is fastened on base 16 of rotational pin 15 and sliding seat 1, making sliding seat 1 can rotate certain angle around rotational pin 15 on base 16, the column 2 being arranged in sliding seat 1 remains perpendicular to the purpose of horizontal plane to reach to make base 16 ensure that when being arranged on the ground of inclination.

In order to the assembling making upright fire-fighting rack is quick, base 16, key seat 17, rotational pin 15 be assembled in sliding seat 1 together with overall or scattered parts.

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

In order to reduce cost and alleviate the weight of ladder, described sliding seat 1 and column body are hollow bodies；Described column body is monolayer or multilamellar in the combination of ladder, and sliding seat 1 is monolayer in the combination of ladder.

Packing for convenience and transport, described foot steps down in the fixing employing pin on column body and connects fixing, and foot steps down in and is merely able on column body draw in one end of union joint 3, it is simple to packaging；Described column body and sliding seat 1 can completely be dismantled and become single parts, is beneficial to packaging and transport.

The assemble method of upright fire-fighting rack: during assembling, A, place base 16, key seat 17, rotational pin 15 and the sliding seat 1 fitted 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 internal taper hole 12 of sliding seat 1, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of column 2 is naturally fitted with the inner conical surface 11 of sliding seat 1 and is fixed, and the gravity of pressure is the biggest from column 2, inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted the tightst and more firm；When the male cone (strobilus masculinus) 10 of column 2 inserts internal 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；After locking bar 4 passes lock-bit head, when the male cone (strobilus masculinus) 10 of column 2 contacts firm with the inner conical surface 11 of the internal taper hole 12 of sliding seat 1, lock-bit head enters in the lock-bit 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-bit groove right-angle side, locked to inner conical surface 11 and the male cone (strobilus masculinus) 10 of laminating, complete column body and the fixing of sliding seat 1 and locking.B, the upper end of the column body moving insertion sliding seat 1 make column 2 be perpendicular to horizontal plane, the lock bolt 18 being rotated further by pin 15 compresses sliding seat 1, make sliding seat 1 can not rotate around rotational pin 15, then make all of column 2 in sliding seat 1 all remain perpendicular to horizontal plane, and the angle allowing base 16 and sliding seat 1 be formed be completely fixed after keep constant.The lower end that column body has in C, the again internal taper hole 12 in the union joint 3 of column body upper end sliding eye 9 again is inserted in the internal taper hole 12 of union joint 3, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of column 2 is naturally fitted with the inner conical surface 11 of union joint 3 and is fixed, and the gravity of pressure is the biggest from column 2, inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted the tightst and more firm；When the male cone (strobilus masculinus) 10 of column 2 inserts internal 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；After locking bar 4 passes lock-bit head, when the male cone (strobilus masculinus) 10 of column 2 contacts firm with the inner conical surface 11 of the internal taper hole 12 of union joint 3, lock-bit head enters in the lock-bit 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-bit groove right-angle side, locked to internal taper hole 12 and the male cone (strobilus masculinus) 10 of laminating；Afterwards, during the male cone (strobilus masculinus) 10 of column body can be inserted the internal taper hole 12 of column body by method again according to this, complete the connection between column body and column body and fix and locking.Column body is very convenient with the assembling of column body with sliding seat 1 and column body, it is not necessary to any instrument just can complete.

The method for dismounting of upright fire-fighting rack: during the column body of dismountable, pull the handle of pin 6, after the lock-bit head of pin 6 front end exits the lock-bit groove on locking bar 4, column body upwards one is drawn or one lifts and automatically will separate with the internal taper hole 12 in the union joint 3 of a following root post body, 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 internal taper hole 12 of the union joint 3 of a following root post body.During fixing in dismounting sliding seat 1 column body, pulling the handle of pin 6, after the lock-bit head of pin 6 front end exits the lock-bit groove on locking bar 4, column body upwards one is drawn or one lifts and automatically will separate with the internal taper hole 12 of sliding seat 1, 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.Column body is very convenient with the dismounting of column body with sliding seat 1 and column body, it is not necessary to any instrument just can complete.

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 moving the column body inserting sliding seat 1 makes column 2 be perpendicular to horizontal plane, screw lock bolt 18 again and compress sliding seat 1, make sliding seat 1 can not rotate around rotational pin 15, then make all of column 2 in sliding seat 1 all remain perpendicular to horizontal plane；The column body needing height being taken with oneself, foot steps down in the foot on column body and steps on and climb up on 13 again, can climb one section and assemble one section, when climbing to the top of ladder during cat ladder, climb up after being inserted into a root post body in superincumbent internal taper hole 12 again.During descending stair, stepping down in foot and step on and down climb on 13, next section tears a root post body open, very convenient.

Claims

1. a upright fire-fighting rack, it is characterised in that: described upright fire-fighting rack includes 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), lock-bit groove, male cone (strobilus masculinus) (10), internal taper hole (12), inner conical surface (11)；

It is fixed with key seat (17) on described base (16), pin-and-hole (14) and locking screw is had on key seat (17), 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 screw end of the lock bolt (18) that lock bolt (18) exceedes locking screw 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)；The above of described sliding seat (1) has internal taper hole (12), at internal taper hole (12), below or there is air gap position (8) the inside, the bottom of air gap position (8) be fixedly arranged in the middle of locking bar (4), sliding seat (1) is coordinated by internal taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fixes, and coordinated with the lock-bit head in the column (2) being arranged on column body and the inner conical surface (11) and male cone (strobilus masculinus) (10) that post of being automatically locked by the lock-bit groove being fixed on the locking bar (4) of the bottom, air gap position (8) of sliding seat (1)；Internal taper hole (12) is had in union joint (3) end in column body upper end, there is air gap position (8) below internal taper hole (12) or the inside, the bottom of air gap position (8) be fixedly arranged in the middle of locking bar (4), the male cone (strobilus masculinus) (10) of column body lower end inserts in the internal taper hole (12) in the union joint (3) of a following root post body, coordinate by internal taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fix, and coordinated with the lock-bit head in the column (2) being arranged on column body and the inner conical surface (11) and male cone (strobilus masculinus) (10) that post of being automatically locked by the lock-bit groove being fixed on the locking bar (4) of the bottom, air gap position (8) of union joint (3)；Damaged surface at column body is fixed with the foot of the folding that can draw in one end of the union joint (3) of column body and steps on (13), and foot steps on and is cased with or is stained with skid-proof rubber；

In the male cone (strobilus masculinus) (10) of described column body lower end inserts the internal taper hole (12) of sliding seat (1) or in the internal taper hole (12) of the union joint (3) that inserts a following root post body upper end, the sliding eye (9) of the end that male cone (strobilus masculinus) (10) is held is enclosed within locking bar (4), lock-bit 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 internal taper hole (12) is tapered hole, has inner conical surface (11) in internal taper hole (12)；The internal 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 internal taper hole (12) of union joint (3) coordinates with the male cone (strobilus masculinus) (10) of column (2) and fixes；Described internal taper hole (12) is coordinated with pin (6) by the lock-bit groove on locking bar (4) after coordinating with male cone (strobilus masculinus) (10) and fixing and the inner conical surface (11) and male cone (strobilus masculinus) (10) that post of being automatically locked；In order to make internal taper hole (12) and male cone (strobilus masculinus) (10) can close fit, the tapering of described internal taper hole (12) is consistent with the tapering of male cone (strobilus masculinus) (10)；

Described self-locking device includes lock-bit hole (5), pin (6), thrust spring (7), locking bar (4), sliding eye (9), lock-bit 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, lock-bit slot fit in sliding eye (9) is stretched in one end of lock-bit head and on locking bar (4), 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) and above or withstands on the jump ring being fixed in lock-bit hole (5)；Having lock-bit groove on described locking bar (4), lock-bit groove coordinates the inner conical surface (11) and male cone (strobilus masculinus) (10) posted that be automatically locked 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 fixed on key seat (17), at disking body or be in strip below interconnection shape and be stained with skid-proof rubber；Described base (16) is used for fixing key seat (17), stabilizer column (2) and support post (2) and bearing all wt that key seat (17) is born, and prevents the lower end of column body to be absorbed in earth；Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents base (16) from sliding on the ground with ground resulting in friction；

Described key seat (17) is the supporter supporting and installing rotational pin (15), pin-and-hole (14) and locking screw, pin-and-hole (14) is had to be used for installing and fixing rotational pin (15) and bear all wt that rotational pin (15) is born on supporter；

The vicinity of described locking screw pin-and-hole (14) 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 friction 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, is used for connecting key seat (17) and sliding seat (1) and bearing all wt that sliding seat (1) is born；

Described sliding seat (1) is to connect seat, horizontal pin-and-hole (14) is had on lower part, there is internal taper hole (12) upper end of upper part, there is air gap position (8) below internal taper hole (12) or the inside, internal taper hole (12) is the most through with air gap position (8), air gap position (8) bottom be fixedly arranged in the middle of locking bar (4)；The centrage of described pin-and-hole (14) and the central axis of internal taper hole (12)；Being connected with key seat (17) below by rotational pin (15) of sliding seat (1), it is connected with column (2) above with internal taper hole (12)；The all wt that described sliding seat (1) is born for stabilizer column (2) and support post (2) and column (2)；

Described column body is that lower end has male cone (strobilus masculinus) (10), upper end to have the cylinder of internal taper hole (12), including union joint (3) and column (2) two parts；Described column body is union joint (3) and column (2) is fixed together the entirety formed, or the entirety being inherently connected；Column (2) does not has one end of male cone (strobilus masculinus) (10) not have one end of internal taper hole (12) to be connected with union joint (3) or is fixed together formation entirety；The end face of the upper end of described union joint (3) has internal taper hole (12), the inside of internal 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 column (2) in the end of column (2)；Described lock-bit hole (5) column (2) have male cone (strobilus masculinus) (10) one end cylinder in communicate and wear out the surface of cylinder with sliding eye (9)；

Described pin (6) includes 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 slot fit in lock-bit head enters sliding eye (9) and on locking bar (4), handle portion stretches out the damaged surface of column (2)；The leading section of described lock-bit head be acute angle bevel with face the shape of composition directly, one side towards locking bar (4) top be face directly, towards the one side of the fixing end of locking bar (4) be acute angle bevel, acute angle bevel is used for allowing the oblique promotion in the leading section lock-bit head of locking bar (4) retreat, and faces directly for coordinating locked locking bar (4) with the one side of the right-angle side of lock-bit groove；

Described locking bar (4) is cylinder, is fixed on the bottom of the air gap position (8) of internal taper hole (12) the inside, and locking bar (4) can slide at sliding eye (9), has lock-bit groove on locking bar (4)；Described lock-bit 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 the most 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 right-angle side of the one side before lock-bit groove coordinates can stand fast by locking locking bar (4) with facing directly of lock-bit head, and the one side of hypotenuse coordinates the degree of depth limiting lock-bit head insertion lock-bit groove with the inclined-plane of lock-bit cephalic par；Described lock-bit groove is for coordinating with lock-bit head and producing locking effect, the most locked inner conical surface (11) posted and male cone (strobilus masculinus) (10), and then make union joint (3) and column body and sliding seat (1) and column body fixation；

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

Described air gap position (8) is in the inside of internal taper hole (12), insert during internal taper hole (12) not inconsistent with the bottom of internal taper hole (12) for male cone (strobilus masculinus) (10) end of column (2), it is simple to inner conical surface (11) and the close fit of male cone (strobilus masculinus) (10)；

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

Described lock-bit hole (5) is to be individually 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 big, aperture that the one end, the inside in hole is stretched out for the lock-bit head of pin (6) 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 big is used for installing the housing of the mating shapes with lock-bit hole (5)；Being inlaid with the housing of mating shapes with lock-bit hole (5) 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), one end screw of the damaged surface exposing column (2) connects 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, and the handle of pin (6) stretches out from the hole of housing outer face after the centre of thrust spring (7) passes, lock-bit head stretches out from the hole of the inner face of housing；Described housing is used for installing pin (6) and thrust spring (7), and pin (6) can be moved in housing；

Described thrust spring (7) is helical spring, is used for promoting the lock-bit head of pin (6) and the lock-bit slot fit of locking bar (4) to complete automatic locking；

The inner conical surface (11) of described internal taper hole (12) is for coordinating with male cone (strobilus masculinus) (10) and installing column body, realize sliding seat (1) and column body is quickly fixing and column body is fixed with the quick of column body, it is beneficial to the quick assembling of column body and quick demolition, plays Fast Installation and the most fixing effect；And then make column body and union joint (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) sliding, and foot is stepped on the skid-proof rubber on (13) and played and prevent from foot from stepping on (13) getting on the most anti-skidding effect；

In order to increase connectivity robustness and the stability of ladder, improve the speed of installation and demolition, connection between described column body and sliding seat (1) and column body and fix and all use cone match, beneficially quick assembling and quick demolition；The male cone (strobilus masculinus) (10) of column body, in the internal taper hole (12) of sliding seat (1), is coordinated with pin (6) by the lock-bit groove on locking bar (4) and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and sliding seat (1) that pin and lock column (2)；The male cone (strobilus masculinus) (10) of column body, in the internal taper hole (12) of union joint (3), is coordinated with pin (6) by the lock-bit groove on locking bar (4) and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and union joint (3) that pin and lock column (2)；During assembling, inner conical surface (11) and male cone (strobilus masculinus) (10) are at the gravity born and press tighter and tighter under the effect of column body self gravitation and realize automatic fastening；During demolition, pull the handle of pin (6), after the lock-bit head of pin (6) front end exits the lock-bit groove on locking bar (4), column body upwards one is lifted and automatically will be separated with internal taper hole (12)；

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

In order to tilt ground on support post (2), when base (16) is arranged on smooth ground, the central axis of sliding seat (1) is in base (16), it is ensured that the column (2) being arranged in sliding seat (1) is perpendicular to horizontal plane；When base (16) is arranged on the ground of inclination, sliding seat (1) can rotate certain angle around rotational pin (15) on base (16), it is ensured that the column (2) being arranged in sliding seat (1) is perpendicular to horizontal plane；

Use rotational pin (15) key seat (17) that is fastened on base (16) and sliding seat (1), making sliding seat (1) can rotate certain angle around rotational pin (15) on base (16), the column (2) being arranged in sliding seat (1) remains perpendicular to the purpose of horizontal plane to reach to make base (16) ensure that when being arranged on the ground of inclination；

In order to the assembling making upright fire-fighting rack is quick, base (16), key seat (17), rotational pin (15) be assembled in sliding seat (1) together with overall or scattered parts.

Upright fire-fighting rack the most according to claim 1, it is characterized in that: in order to the inner conical surface that locking is worked good (11) and male cone (strobilus masculinus) (10) do not loosen, described lock-bit hole (5), pin (6), thrust spring (7), locking bar (4) and sliding eye (9) the composition locked inner conical surface (11) worked good of locking system and male cone (strobilus masculinus) (10).

Upright fire-fighting rack the most according to claim 1, it is characterised in that: in order to reduce cost and alleviate the weight of ladder, described sliding seat (1) and column body are hollow bodies；Described column body is monolayer or multilamellar in the combination of ladder, and sliding seat (1) is monolayer in the combination of ladder.

Upright fire-fighting rack the most according to claim 1, it is characterized in that: pack for convenience and transport, described foot steps down in the fixing employing pin on column body and connects fixing, and foot steps down in and is merely able on column body draw in one end of union joint (3), it is simple to packaging；Described column body and sliding seat (1) can completely be dismantled and become single parts, is beneficial to packaging and transport.

5. the using method of a upright fire-fighting rack, it is characterized in that: the assemble method of upright fire-fighting rack: 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 internal taper hole (12) of sliding seat (1), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of column (2) and the inner conical surface (11) of sliding seat (1) are naturally fitted and are fixed, and the gravity of pressure is the biggest from column (2), inner conical surface (11) and male cone (strobilus masculinus) (10) laminating are the tightst and more firm；When male cone (strobilus masculinus) (10) in column (2) inserts internal 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) passes lock-bit head, when the male cone (strobilus masculinus) (10) of column (2) contacts firm with the inner conical surface (11) of the internal taper hole (12) of sliding seat (1), lock-bit head enters in the lock-bit groove on locking bar (4) under the powered of thrust spring (7), the one side with lock-bit groove right-angle side of facing directly of lock-bit head coordinates locked locking bar (4) to stand fast, locked to inner conical surface (11) and the male cone (strobilus masculinus) (10) of laminating, complete column body and the fixing of sliding seat (1) and locking；B, the upper end of the column body moving insertion sliding seat (1) make column (2) be perpendicular to horizontal plane, the lock bolt (18) being rotated further by pin (15) seat compresses sliding seat (1), make sliding seat (1) can not rotate around rotational pin (15), then make all of column (2) in sliding seat (1) all remain perpendicular to horizontal plane, and the angle allowing base (16) and sliding seat (1) be formed be completely fixed after keep constant；The lower end that column body has in C, the again internal taper hole (12) in the union joint (3) of column body upper end sliding eye (9) again is inserted in the internal taper hole (12) of union joint (3), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of column (2) and the inner conical surface (11) of union joint (3) are naturally fitted and are fixed, and the gravity of pressure is the biggest from column (2), inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted the tightst and more firm；When male cone (strobilus masculinus) (10) in column (2) inserts internal 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) passes lock-bit head, when the male cone (strobilus masculinus) (10) of column (2) contacts firm with the inner conical surface (11) of the internal taper hole (12) of union joint (3), lock-bit head enters in the lock-bit groove on locking bar (4) under the powered of thrust spring (7), the one side with lock-bit groove right-angle side of facing directly of lock-bit head coordinates locked locking bar (4) to stand fast, locked to internal taper hole (12) and the male cone (strobilus masculinus) (10) of laminating；Afterwards, during the male cone (strobilus masculinus) (10) of column body can be inserted the internal taper hole (12) of column body by method again according to this, complete the connection between column body and column body and fix and locking；Column body is very convenient with the assembling of column body with sliding seat (1) and column body, it is not necessary to any instrument just can complete；

The method for dismounting of upright fire-fighting rack: during the column body of dismountable, pull the handle of pin (6), after the lock-bit head of pin (6) front end exits the lock-bit groove on locking bar (4), column body upwards one is drawn or one lifts and automatically will separate with the internal taper hole (12) in the union joint (3) of a following root post body, 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 internal taper hole (12) of the union joint (3) of a following root post body；During the column body that dismounting sliding seat (1) is above fixed, pull the handle of pin (6), after the lock-bit head of pin (6) front end exits the lock-bit groove on locking bar (4), column body upwards one is drawn or one lifts and automatically will separate with the internal 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)；Column body is very convenient with the dismounting of column body with sliding seat (1) and column body, it is not necessary to any instrument just can complete；

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 moving the column body inserting sliding seat (1) makes column (2) be perpendicular to horizontal plane, screw lock bolt (18) again and compress sliding seat (1), make sliding seat (1) can not rotate around rotational pin (15), then all of column (2) in sliding seat (1) is made all to remain perpendicular to horizontal plane；Again the column body needing height is taken with oneself, foot steps down in the foot on column body and steps on and climb up on (13), one section can be climbed and assemble one section, when climbing to the top of ladder during cat ladder, climb up again after being inserted into a root post body in superincumbent internal taper hole (12)；During descending stair, stepping down in foot and step on and down climb on (13), next section tears a root post body open, very convenient.

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

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

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

Described locking screw manufactures the vicinity of the pin-and-hole (14) on 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) create an entirety, or separately manufactured after be fixed together one entirety of formation；

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 seat, lower part manufacture has horizontal pin-and-hole (14), the upper end of upper part manufactures internal taper hole (12), below internal taper hole (12) or the inside manufactures air gap position (8), internal taper hole (12) is the most through with air gap position (8), air gap position (8) bottom be fixedly arranged in the middle of locking bar (4)；The centrage of described pin-and-hole (14) and the central axis of internal taper hole (12)；Being connected with key seat (17) below by rotational pin (15) of sliding seat (1), it is connected with column body above with internal taper hole (12) and locking bar (4) and fixes；

Described base (16), key seat (17), rotational pin (15) and sliding seat (1) are assembled into a single entirety, are beneficial to quickly assemble upright fire-fighting rack；

Described column system causes cylinder, create to be fixed together after column (2) and union joint (3) two parts, column (2) and union joint (3) two parts create an entirety or manufacture respectively and become an entirety；Damaged surface pin at column body is fixedly connected with the foot of the folding that can draw in one end of the union joint (3) of column body and steps on (13), foot steps on and is cased with or is stained with skid-proof rubber, column (2) at column body holds manufacture to have male cone (strobilus masculinus) (10), and 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 union joint (3) of column body is held and have internal taper hole (12), internal taper hole (12) creates tapered hole, below internal taper hole (12), manufacture has air gap position (8), is fixed with locking bar (4) in the bottom of air gap position (8)；

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

Described lock-bit hole (5) creates single cavity, manufacture the surface wearing out cylinder at column (2) in the cylinder of male cone (strobilus masculinus) (10), communicate with sliding eye (9), corresponding with the position of the lock-bit groove on locking bar (4), the one end, the inside big, hole, aperture of the part manufacture that the mid portion in lock-bit hole is used for installing housing and wears out column (2) surface is little for the aperture of the lock-bit head extension manufacture of pin (6)；Being inlaid with the housing of mating shapes with lock-bit hole (5) 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), one end screw of the damaged surface exposing column (2) connects 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, and the handle of pin (6) stretches out from the hole of housing outer face after the centre of thrust spring (7) passes, lock-bit head stretches out from the hole of the inner face of housing；

Described locking bar (4) creates cylinder, has lock-bit groove in the upper manufacture of locking bar (4)；Described lock-bit groove creates the groove of right triangular shape, manufactures at locking bar (4) upper corresponding with the position of lock-bit head, and groove top creates acute angle, and the one side before the one side of notch and lock-bit 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, after pin (6) passes thrust spring (7) in being arranged on lock-bit hole (5), lock-bit slot fit in lock-bit head enters sliding eye (9) and on locking bar (4), handle portion stretches out the damaged surface of column (2)；The leading section of the described lock-bit head one side creating acute angle bevel with the shape facing composition directly, towards locking bar (4) top be face directly, towards the one side of the fixing end of locking bar (4) be acute angle bevel；

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

Thrust spring (7) creates helical spring；

The connection of described column body and sliding seat (1) and column body and column body and fix and all use cone match, beneficially quick assembling and quick demolition；During assembling, column body is pressed tighter and tighter with sliding seat (1) and column body under the effect of the gravity born and self gravitation with column body and is realized automatic fastening；During demolition, after pulling handle to make pin (6) exit lock-bit groove, column body upwards one is lifted male cone (strobilus masculinus) and automatically will be separated with internal 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；

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

Being fixed with key seat (17) on described base (16), 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 internal taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fixes, and is coordinated with the lock-bit head in the column (2) being arranged on column body and the inner conical surface (11) and male cone (strobilus masculinus) (10) that post of being automatically locked by the lock-bit groove being fixed on the locking bar (4) of the bottom, air gap position (8) of sliding seat (1)；Internal taper hole (12) is had in union joint (3) end in column body upper end, the male cone (strobilus masculinus) (10) of column body lower end inserts in the internal taper hole (12) in the union joint (3) of a following root post body, coordinate by internal taper hole (12) with the male cone (strobilus masculinus) (10) of column body lower end and fix, and being coordinated with the lock-bit head in the column (2) being arranged on column body and the inner conical surface (11) and male cone (strobilus masculinus) (10) that post of being automatically locked by the lock-bit groove being fixed on the locking bar (4) of the bottom, air gap position (8) of union joint (3)；Described lock-bit hole (5) manufactures and communicates with sliding eye (9) in the cylinder near 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) stretches out the surface of column (2) after the central part of thrust spring (7) passes, the lock-bit head of pin (6) stretches out in the lock-bit groove on the locking bar (4) that lock-bit hole (5) is inserted in sliding eye (9) afterwards, 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)；Damaged surface at column body is fixed with the foot of the folding that can draw in one end of the union joint (3) of column body and steps on (13), and foot steps on and is cased with or is stained with skid-proof rubber, is stained with skid-proof rubber below base (16).