CN104612577A - Series-connected vertical fire ladder - Google Patents
Series-connected vertical fire ladder Download PDFInfo
- Publication number
- CN104612577A CN104612577A CN201510025179.0A CN201510025179A CN104612577A CN 104612577 A CN104612577 A CN 104612577A CN 201510025179 A CN201510025179 A CN 201510025179A CN 104612577 A CN104612577 A CN 104612577A
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- China
- Prior art keywords
- pillar
- male cone
- strobilus masculinus
- pin
- taper hole
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/14—Ladders capable of standing by themselves
- E06C1/24—Non-hinged free-standing ladders
- E06C1/28—Non-hinged free-standing ladders multi-part
- E06C1/30—Non-hinged free-standing ladders multi-part extensible, e.g. telescopic
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C1/00—Ladders in general
- E06C1/02—Ladders in general with rigid longitudinal member or members
- E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
- E06C1/387—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders having tip-up steps
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/06—Securing devices or hooks for parts of extensible ladders
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
-
- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/42—Ladder feet; Supports therefor
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06C—LADDERS
- E06C7/00—Component parts, supporting parts, or accessories
- E06C7/50—Joints or other connecting parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The invention discloses a series-connected vertical fire ladder. The series-connected vertical fire ladder is characterized in that a support of the fire ladder is fixed through matching of an inner cone hole in the middle and an outer conical surface at the lower end of one support column body, and the outer conical surface of the support column body is matched and fixed with the inner conical surface of an inner cone hole of another support column body; the inner cone hole and the outer conical surface are matched and are fixed well and then automatically lock the well attached inner conical surface and outer conical surface through matching of locking slots in the outer conical surface as well as locking pins; pedals are arranged on the column body surface of each support column body, and anti-slip adhesives are adhered to the pedals and the bottom of the support. The series-connected vertical fire ladder is simple in structure and very convenient to manufacture, assemble and use, and tools are not required in assembly and disassembly processes when the ladder is used; with the adoption of the series-connected vertical fire ladder, the problem of upright climbing of a fireman is solved, the fire ladder is assembled quickly, conveniently, safely and reliably during upright climbing of the fireman, and the ladder is convenient to climb; after use, the ladder is convenient to disassemble, package and transport, and accordingly, production and use costs are reduced.
Description
Technical field
The present invention relates to a kind of upright fire ladder of series winding uprightly climbed for fire fighter.
Background technology
The fire ladder that present fire fighter uses is all folding fire ladder substantially, and volume is long greatly again, is unfavorable for that fire fighter carries, and requires great effort when opening and lay ladder.
Summary of the invention
The object that the present invention relates to is to provide a kind of being beneficial to carry, be convenient to the upright fire ladder of series winding laying and assemble and manufacture method thereof.
For achieving the above object, the upright fire ladder of series winding of the present invention comprises bearing, Body of pillar, lock-bit hole, pin, thrust spring, thrust disc, lock groove, male cone (strobilus masculinus), Inner taper hole, inner conical surface;
Protrusion circular portion in the middle part of described bearing has Inner taper hole, has air gap groove below Inner taper hole, between the surface of protruding circle and Inner taper hole, have lock-bit hole; The pin being fixed with the folding that can draw in one end of the connector of Body of pillar in the damaged surface of Body of pillar is stepped on, there is male cone (strobilus masculinus) in one end of Body of pillar, the other end has connector, connect in head end and have Inner taper hole, there is air gap groove the inside of Inner taper hole, has lock-bit hole between connector and Inner taper hole; Thrust disc, thrust spring and pin is horizontally installed with in described lock-bit hole, thrust disc is fixed on the middle part of pin, the pin handle of pin from stretching out the surface of surface or the connector protruding circle after the central part of thrust spring passes, brake head stretches out from the inner conical surface of Inner taper hole, one end of thrust spring is pressed on thrust disc, the other end withstands on lock-bit hole.Body of pillar has one end of male cone (strobilus masculinus) to insert in the Inner taper hole of the protrusion circle in the middle part of bearing, or Body of pillar has one end of male cone (strobilus masculinus) to insert in the Inner taper hole in the connector of a Body of pillar below, male cone (strobilus masculinus) has lock groove coordinate with the brake head of pin.
Described Inner taper hole is the hole having tapering, has inner conical surface in Inner taper hole.Described bearing is coordinated with the male cone (strobilus masculinus) of the lower end of pillar by the Inner taper hole on the protrusion circle at stable fork middle part and is fixed, the Inner taper hole of connector and pillar male cone (strobilus masculinus) coordinate and fix; Described Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the lock groove on male cone (strobilus masculinus) by the brake head of pin after coordinating with male cone (strobilus masculinus) and fixing.In order to enable Inner taper hole and male cone (strobilus masculinus) close fit, the tapering of described Inner taper hole is consistent with the tapering of male cone (strobilus masculinus).
Described bearing comprises the stable fork of stable center part and terminal pad two parts of core, and stable fork is connected with terminal pad, and terminal pad pitches with stable the bearing forming multidirectional fork-shaped in the centre of stable fork; Described stable fork is blocks or one side is below the cylinder faced directly, stablizes the bearing pitched and form multidirectional fork-shaped with a terminal pad for many; Below stable fork, be stained with skid-proof rubber, on stable fork, have terminal pad, terminal pad is the protrusion circle protruded, and protrudes on circle and has internal taper hole, have air gap groove below Inner taper hole, between the surface of protruding circle and Inner taper hole, have lock-bit hole.
Described Body of pillar is the cylinder that there is male cone (strobilus masculinus) one end, the other end has Inner taper hole, comprises connector and pillar two parts; Described Body of pillar is that connector and pillar are fixed together the entirety formed or the entirety be inherently connected; Pillar does not have one end of male cone (strobilus masculinus) and connector not to have one end of Inner taper hole to be connected or is fixed together to form entirety.The end face of one end of described connector has Inner taper hole, and there is air gap groove the inside of Inner taper hole, has lock-bit hole between the surface of connector and Inner taper hole.The lock groove of annular is had at the mid portion of the male cone (strobilus masculinus) of pillar, described lock groove is cannelure, cannelure is dovetail groove, the annular locking limit of lock groove is the facing directly of annular, central axis with Body of pillar, corresponding with the position of locking hole, for coordinating with facing directly of brake head and produce locking effect, the locked inner conical surface that posts and male cone (strobilus masculinus) then, and then make connector and Body of pillar and bearing and Body of pillar fixation.
Described pin comprises brake head, middle part and pin handle three part, three parts are connected, pin in lock-bit hole through after thrust spring, brake head to put in again after laterally entering Inner taper hole in the lock-bit groove on male cone (strobilus masculinus) and with lock-bit slot fit, pin shank portion crosses out the damaged surface of pillar; The leading section of described brake head be arcwall face with face directly the shape of composition, towards the one side of air gap groove be face directly, arcwall face retreats for allowing the end of the male cone (strobilus masculinus) end of pillar and the oblique promotion brake head of male cone (strobilus masculinus), faces directly for coordinating locked male cone (strobilus masculinus) of working good and inner conical surface with the annular groove limit of facing directly of lock-bit groove.
Described pin is stepped on and is comprised bearing, connecting pin and riding boogie board, bearing is the pedestal be fixed on Body of pillar, connecting pin is the pin connecting bearing and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board.
Described air gap groove in the inside of Inner taper hole, for pillar male cone (strobilus masculinus) end insert Inner taper hole time not inconsistent with the bottom of Inner taper hole, be convenient to the close fit of inner conical surface and male cone (strobilus masculinus).
Described lock-bit hole is independent cavity, on protrusion circle in the middle part of underframe and in one end of the connector of pillar, mid portion and wear out that the aperture of abutment surface is large, aperture that the one end, the inside in hole is stretched out for the brake head of pin is little, communicate with brake hole, corresponding with the position of the lock-bit groove on male cone (strobilus masculinus), the large part of the median pore radius in lock-bit hole is for installing the housing with the mating shapes in lock-bit hole.In lock-bit hole, be inlaid with the housing with the mating shapes in lock-bit hole, housing exposes or does not expose the damaged surface of pillar in lock-bit hole; When housing exposes the damaged surface of pillar, the one end of exposing the damaged surface of pillar connects with screw or rivets or be welded on the damaged surface of pillar; When housing does not expose the damaged surface of pillar, 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, thrust spring, thrust disc are installed in housing, thrust disc is arranged on the middle part of pin, thrust spring is arranged between thrust disc and housing, stretches out, brake head stretches out from the hole of the inner face of housing after the pin handle of pin passes from the centre of thrust spring from the hole of housing outer face.Described housing for installing pin and thrust spring, and pin can be moved in housing.
Described thrust disc is middle porose card, is fixed on pin, for accepting the thrust of thrust spring.
Described thrust spring is helical spring, completes automatic locking for promoting the brake head of pin to coordinate with the lock groove on male cone (strobilus masculinus).
The inner conical surface of described Inner taper hole is used for coordinating and mounting column body with male cone (strobilus masculinus), realize bearing and Body of pillar the fixing fast of fixing and Body of pillar and Body of pillar fast, be beneficial to the quick assembling of Body of pillar and quick demolition, play Fast Installation and effect fixing fast; And then make Body of pillar and connector and Body of pillar and bearing fixation respectively.
Described bearing is used for the weight that steady brace body and supporting strut body and Body of pillar bear; The skid-proof rubber of described bottom surface of support saddle plays the effect preventing bearing slippage, and the skid-proof rubber that pin steps on plays and prevents pin from stepping on anti-skidding effect.
In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described Body of pillar and the connection between bearing and Body of pillar and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) of Body of pillar, in the Inner taper hole of bearing, is coordinated with pin by the lock groove on male cone (strobilus masculinus) and pins and lock the male cone (strobilus masculinus) of pillar with coordinating of the inner conical surface of bearing and do not loosen; The male cone (strobilus masculinus) of Body of pillar, in the Inner taper hole of connector, is coordinated with pin by the lock groove on male cone (strobilus masculinus) and pins and lock the male cone (strobilus masculinus) of pillar and do not loosen with coordinating of the inner conical surface of connector.During assembling, inner conical surface and male cone (strobilus masculinus) are at the gravity born and press tighter and tighter under the effect of Body of pillar self gravitation and realize automatic fastening; During demolition, pull the pin handle of pin, after the brake head of pin front end exits the lock groove on male cone (strobilus masculinus), Body of pillar upwards one is lifted and automatically will be separated with Inner taper hole.
The conical surface comprises inner conical surface and male cone (strobilus masculinus), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.
In order to can the locking inner conical surface of working good and male cone (strobilus masculinus) not loosen, the inner conical surface that described lock-bit hole, pin, thrust disc, thrust spring and lock groove composition locking system be locked works good and male cone (strobilus masculinus).
In order to reduce costs and alleviate the weight of ladder, described bearing and Body of pillar are hollow bodies; Described Body of pillar is individual layer or multilayer in the combination of ladder, and bearing is individual layer in the combination of ladder.
In order to reduce the consumption of ladder and be convenient to store and keeping, all building blocks of described ladder can be reused.
Conveniently pack and transport, the fixing employing pin that described pin steps down on Body of pillar is connected and fixed, and pin steps down in one end be merely able to connector on Body of pillar and draws in, is convenient to packaging; Described Body of pillar and bearing can be dismantled completely and become independent parts, are beneficial to packaging and transport.
Ladder is when assembling, bearing is put on the ground, one end of male cone (strobilus masculinus) is had by Body of pillar to insert in the Inner taper hole of bearing, under the effect of self gravitation, the male cone (strobilus masculinus) of pillar and the inner conical surface of bearing are naturally fitted and fix, and the gravity depressed from pillar is larger, it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; Insert in the process of Inner taper hole at the male cone (strobilus masculinus) of pillar, the front end of male cone (strobilus masculinus) enter into the position of brake head and arcwall face on oblique promotion brake head time, the oblique promotion brake head in front end of male cone (strobilus masculinus) compresses thrust spring and outwards makes a concession, and the front end of male cone (strobilus masculinus) passes through the position of brake head; When the male cone (strobilus masculinus) of pillar contacts firm with the inner conical surface of the Inner taper hole of bearing, lock groove on male cone (strobilus masculinus) is just in time in the position through brake head, brake head enters in lock groove under the powered of thrust spring, the facing directly of brake head to face directly with the annular of lock groove coordinate the inner conical surface of fitting and male cone (strobilus masculinus) locked, male cone (strobilus masculinus) can not be retreated, complete the fixing and locking of Body of pillar and bearing.Afterwards, one end of male cone (strobilus masculinus) is again had by Body of pillar to insert in the Inner taper hole of connector in Inner taper hole in connector on Body of pillar, under the effect of self gravitation, the male cone (strobilus masculinus) of pillar and the inner conical surface of connector are naturally fitted and fix, and the gravity depressed from pillar is larger, it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted; Insert in the process of Inner taper hole at the male cone (strobilus masculinus) of pillar, the front end of male cone (strobilus masculinus) enter into the position of brake head and arcwall face on oblique promotion brake head time, the oblique promotion brake head in front end of male cone (strobilus masculinus) compresses thrust spring and outwards makes a concession, and the front end of male cone (strobilus masculinus) passes through the position of brake head; When the male cone (strobilus masculinus) of pillar contacts firm with the inner conical surface of the Inner taper hole of connector, lock groove on male cone (strobilus masculinus) is just in time in the position through brake head, brake head enters in lock groove under the powered of thrust spring, the facing directly of brake head to face directly with the annular of lock groove coordinate the inner conical surface of fitting and male cone (strobilus masculinus) locked, male cone (strobilus masculinus) can not be retreated; Afterwards, the male cone (strobilus masculinus) of Body of pillar can insert in the Inner taper hole of Body of pillar by Using such method again, completes being connected and fixed and locking between Body of pillar and Body of pillar.
During the Body of pillar of dismountable, pull the pin handle of pin, after the brake head of pin front end exits the lock groove on male cone (strobilus masculinus), Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole in the connector of a Body of pillar below, and the male cone (strobilus masculinus) of Body of pillar will separate automatically with the Inner taper hole of the connector of the Body of pillar of below.During fixing on dismounting bearing Body of pillar, pull the pin handle of pin, after the brake head of pin front end exits the lock groove on male cone (strobilus masculinus), Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole of bearing, and Body of pillar will separate automatically with bearing.
The assembly and disassembly of Body of pillar and bearing and connector are very convenient, just can complete without any need for instrument.
Fire fighter is when climbing fire ladder, the pin pin stepped down on Body of pillar steps on and climbs up, and can climb one section of assembling one section, takes with oneself needing the Body of pillar of height, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a Body of pillar in superincumbent Inner taper hole again.During descending stair, step down in pin and step on and down climb, next section tears a Body of pillar open, very convenient.
The manufacture method of the upright fire ladder of described series winding, is characterized in that:
During fabrication, bearing and Body of pillar adopt the aluminium alloys of light weight or titanium alloy or carbon alloy or glass-reinforced plastic material manufacture, create hollow body; Thrust disc and pin adopt the plastics manufacture of metal material or high strength.
Described bearing creates the stable fork of stable center part and terminal pad two parts of core, and stable fork creates one with terminal pad, and the bearing forming multidirectional fork-shaped is pitched with stable in the centre that terminal pad is manufactured on stable fork; Described stable fork creates blocks or is the cylinder faced directly below, stablizes the bearing pitched and form multidirectional fork-shaped with a terminal pad for many; Skid-proof rubber is stained with below stable fork, manufacture on stable fork and have terminal pad, terminal pad creates the protrusion circle of protrusion, protrude the upper manufacture of circle and have internal taper hole, internal taper hole creates the hole of tapering, manufacture below Inner taper hole and have air gap groove, between the surface of protruding circle and Inner taper hole, manufacture lock-bit hole.
Described Body of pillar creates cylinder, creates pillar and connector two parts, and pillar and connector two parts manufacture as a whole or are fixed together into as a whole after manufacturing respectively; Be fixedly connected with the pin that can be close to the cylinder of pillar to the gathering of connector direction in the damaged surface pin of Body of pillar to step on, have male cone (strobilus masculinus) in the post ends manufacture of Body of pillar, the ring surface of male cone (strobilus masculinus) manufactures the lock groove having annular; Manufacture in the end of the connection head end of Body of pillar and have Inner taper hole, Inner taper hole creates the hole of tapering, and manufacturing below Inner taper hole has air gap groove, between the surface of connector and Inner taper hole, manufacture lock-bit hole.Described lock groove creates the dovetail groove of annular, and the annular locking limit of lock groove creates the facing directly of annular, central axis with Body of pillar, corresponding with the position of locking hole.
Pin creates brake head, middle part and pin handle three part, three parts create one, pin is arranged in lock-bit hole through after thrust spring, brake head to put in after laterally entering Inner taper hole in the lock groove on male cone (strobilus masculinus) again and coordinates with lock groove, and pin shank portion crosses out the damaged surface of pillar; The leading section of described brake head create sharp arcwall face with face directly composition shape, to create towards the one side of air gap groove and face directly.
Described pin is stepped on and is created bearing, connecting pin and riding boogie board three part, bearing creates the pedestal be fixed on Body of pillar, connecting pin creates the pin connecting bearing and riding boogie board, riding boogie board creates the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board.
Described air gap groove in the inside of Inner taper hole, for pillar male cone (strobilus masculinus) end insert Inner taper hole time not inconsistent with the bottom of Inner taper hole, be convenient to the close fit of inner conical surface and male cone (strobilus masculinus).
On the described lock-bit hole protrusion be manufactured in the middle part of underframe is justified and in the connector of pillar, create independent hole, the mid portion in lock-bit hole and wear out abutment surface for install the aperture that manufactures with the housing parts of the mating shapes in lock-bit hole greatly, the aperture that manufactures for the brake head extension of pin, the one end, the inside in hole is little, communicate with brake hole, corresponding with the position of the lock-bit groove on male cone (strobilus masculinus).In the lock-bit hole manufactured separately, be inlaid with the housing with the mating shapes in lock-bit hole, housing exposes or does not expose the damaged surface of pillar in lock-bit hole; When housing exposes the damaged surface of pillar, the one end of exposing the damaged surface of pillar connects with screw or rivets or be welded on the damaged surface of pillar; When housing does not expose the damaged surface of pillar, 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, thrust spring, thrust disc are installed in housing, thrust disc is arranged on the middle part of pin, thrust spring is arranged between thrust disc and housing, stretches out, brake head stretches out from the hole of the inner face of housing after the pin handle of pin passes from the centre of thrust spring from the hole of housing outer face.
Thrust disc creates middle porose card, is fixed on pin.
Thrust spring creates helical spring.
The conical surface creates inner conical surface and male cone (strobilus masculinus), and inner conical surface and male cone (strobilus masculinus) create the taper surface of point, and the cross section of the conical surface creates the polygonal conical surface, or creates the conical surface of circle or circular arc.
The consistent tapering that tapering and the tapering that male cone (strobilus masculinus) coordinates of described Inner taper hole create.
Lock-bit hole is manufactured between the connector surface of described Body of pillar and Inner taper hole and between the protrusion circular surfaces of bearing and Inner taper hole, thrust disc, thrust spring and pin are installed in lock-bit hole, the middle part of pin is fixed with thrust disc, the pin shank portion of pin from the surface of the protrusion circle stretched out after the central part of thrust spring passes the surface of connector or bearing, brake head stretches out from the inner conical surface of Inner taper hole, one end of thrust spring is pressed on the thrust disc of pin, the other end withstands on lock-bit hole; Lock groove on described male cone (strobilus masculinus) coordinates with the brake head of pin; Described bearing is coordinated with the male cone (strobilus masculinus) of the lower end of Body of pillar by the Inner taper hole on middle protrusion circle and is fixed, and the male cone (strobilus masculinus) of Body of pillar coordinates with the inner conical surface of the Inner taper hole of Body of pillar and fixes; The pin being fixed with the folding that can draw in one end of the connector of Body of pillar in the damaged surface of Body of pillar is stepped on, and is stained with skid-proof rubber in the bottom of bearing; Described Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with pin by the breaker slot on male cone (strobilus masculinus) after coordinating with male cone (strobilus masculinus) and fixing.
The contact structure of upright fire ladder of the present invention is simple, manufactures, assembles and uses very convenient, do not need instrument in ladder assembly and disassembly process in use; After adopting the upright fire ladder of series winding, solve the difficult problem that fire fighter uprightly climbs to a higher point, assemble fire ladder when uprightly climbing to a higher point quick, convenient, safe and reliable, and climbing is convenient; After using, dismounting, packaging and convenient transportation, reduce cost of production and use cost.
Accompanying drawing explanation
Fig. 1 is the package assembly schematic diagram of upright fire ladder of contacting;
Fig. 2 is the structural representation of Body of pillar;
Fig. 3 is the sectional structure schematic diagram of bearing;
Fig. 4 is the schematic appearance of the top view of bearing.
Shown in figure: bearing 1, pillar 2, connector 3, air gap groove 4, lock-bit hole 5, pin 6, thrust disc 7, thrust spring 8, lock groove 9, male cone (strobilus masculinus) 10, inner conical surface 11, Inner taper hole 12, pin step on 13.
Detailed description of the invention
The present invention's upright fire ladder of contacting mainly comprises bearing 1, Body of pillar, lock-bit hole 5, pin 6, thrust spring 8, thrust disc 7, lock groove 9, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11;
Protrusion circular portion in the middle part of described bearing 1 has below Inner taper hole 12, Inner taper hole 12 and has air gap groove 4, between the surface of protruding circle and Inner taper hole 12, have lock-bit hole 5; The pin being fixed with the folding that can draw in one end of the connector 3 of Body of pillar in the damaged surface of Body of pillar steps on 13, there is male cone (strobilus masculinus) 10 in one end of Body of pillar, the other end has connector 3, Inner taper hole 12 is had in connector 3 end, there is air gap groove 4 the inside of Inner taper hole 12, has lock-bit hole 5 between connector 3 and Inner taper hole 12; Thrust disc 7, thrust spring 8 and pin 6 is horizontally installed with in described lock-bit hole 5, thrust disc 7 is fixed on the middle part of pin 6, the pin handle of pin 6 from stretching out the surface of surface or the connector 3 protruding circle after the central part of thrust spring 8 passes, brake head stretches out from the inner conical surface 11 of Inner taper hole 12, one end of thrust spring 8 is pressed on thrust disc 7, the other end withstands on lock-bit hole 5.Body of pillar has one end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 of the protrusion circle in the middle part of bearing 1, or, Body of pillar has one end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the connector 3 of a Body of pillar below, male cone (strobilus masculinus) 10 has lock groove 9 coordinate with the brake head of pin 6.
Described Inner taper hole 12 is the holes having tapering, has inner conical surface 11 in Inner taper hole 12.Described bearing 1 is coordinated with the male cone (strobilus masculinus) 10 of the lower end of pillar 2 by the Inner taper hole 12 on the protrusion circle at stable fork middle part and is fixed, the Inner taper hole 12 of connector 3 and pillar 2 male cone (strobilus masculinus) 10 coordinate and fix; Described Inner taper hole 12 is coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the lock groove 9 on male cone (strobilus masculinus) 10 by the brake head of pin 6 after coordinating with male cone (strobilus masculinus) 10 and fixing.In order to make Inner taper hole 12 and male cone (strobilus masculinus) 10 can close fit, the tapering of described Inner taper hole 12 be consistent with the tapering of male cone (strobilus masculinus) 10.
Described bearing 1 comprises the stable fork of stable center part and terminal pad two parts of core, and stable fork is connected with terminal pad, and terminal pad pitches with stable the bearing 1 forming multidirectional fork-shaped in the centre of stable fork; Described stable fork is blocks or one side is below the cylinder faced directly, stablizes the bearing 1 pitched and form multidirectional fork-shaped with a terminal pad for many; Below stable fork, be stained with skid-proof rubber, on stable fork, have terminal pad, terminal pad is the protrusion circle protruded, and protrudes on circle and has internal taper hole, have air gap groove 4 below Inner taper hole 12, between the surface of protruding circle and Inner taper hole 12, have lock-bit hole 5.
Described Body of pillar is the cylinder that there is male cone (strobilus masculinus) 10 one end, the other end has Inner taper hole 12, comprises connector 3 and pillar 2 two parts; Described Body of pillar to be connector 3 with pillar 2 the be fixed together entirety formed or the entirety be inherently connected; Pillar 2 does not have one end of male cone (strobilus masculinus) 10 and connector 3 not to have one end of Inner taper hole 12 to be connected or is fixed together to form entirety.The end face of one end of described connector 3 has the inside of Inner taper hole 12, Inner taper hole 12 to have air gap groove 4, has lock-bit hole 5 between the surface of connector 3 and Inner taper hole 12.The lock groove 9 of annular is had at the mid portion of the male cone (strobilus masculinus) 10 of pillar 2, described lock groove 9 is cannelures, cannelure is dovetail groove, the annular locking limit of lock groove 9 is the facing directly of annular, central axis with Body of pillar, corresponding with the position of locking hole, for coordinating with facing directly of brake head and produce locking effect, the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10 then, and then make connector 3 and Body of pillar and bearing 1 and Body of pillar fixation.
Described pin 6 comprises brake head, middle part and pin handle three part, three parts are connected, after pin 6 passes thrust spring 8 in lock-bit hole 5, brake head to put in again after laterally entering Inner taper hole 12 in the lock-bit groove on male cone (strobilus masculinus) 10 and with lock-bit slot fit, pin shank portion crosses out the damaged surface of pillar 2; The leading section of described brake head be arcwall face with face directly the shape of composition, towards the one side of air gap groove 4 be face directly, arcwall face retreats for allowing the end of male cone (strobilus masculinus) 10 end of pillar 2 and the oblique promotion brake head of male cone (strobilus masculinus) 10, faces directly for coordinating locked male cone (strobilus masculinus) 10 of working good and inner conical surface 11 with the annular groove limit of facing directly of lock-bit groove.
Described pin is stepped on 13 and is comprised bearing 1, connecting pin and riding boogie board, bearing 1 is the pedestal be fixed on Body of pillar, connecting pin is the pin connecting bearing 1 and riding boogie board, riding boogie board be step on for pin 13 square or flat cylinder or blocks, be stained with on the surface of riding boogie board skid-proof rubber or the surface of riding boogie board cover have antiskid glue sleeve.
Described air gap groove 4 is in the inside of Inner taper hole 12, not inconsistent with the bottom of Inner taper hole 12 when Inner taper hole 12 is inserted in male cone (strobilus masculinus) 10 end for pillar 2, is convenient to the close fit of inner conical surface 11 and male cone (strobilus masculinus) 10.
Described lock-bit hole 5 is independent cavitys, on protrusion circle in the middle part of underframe and in one end of the connector 3 of pillar 2, mid portion and wear out that the aperture on pillar 2 surface is large, aperture that the one end, the inside in hole is stretched out for the brake head of pin 6 is little, communicate with brake hole 9, corresponding with the position of the lock-bit groove on male cone (strobilus masculinus) 10, the large part of the median pore radius in lock-bit hole 5 is for installing the housing with the mating shapes in lock-bit hole 5.In lock-bit hole 5, be inlaid with the housing with the mating shapes in lock-bit hole 5, housing exposes or does not expose the damaged surface of pillar 2 in lock-bit hole 5; When housing exposes the damaged surface of pillar 2, the one end of exposing the damaged surface of pillar 2 connects with screw or rivets or be welded on the damaged surface of pillar 2; When housing does not expose the damaged surface of pillar 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, thrust spring 8, thrust disc 7 are installed in housing, thrust disc 7 is arranged on the middle part of pin 6, thrust spring 8 is arranged between thrust disc 7 and housing, stretches out, brake head stretches out from the hole of the inner face of housing after the pin handle of pin 6 passes from the centre of thrust spring 8 from the hole of housing outer face.Described housing for installing pin 6 and thrust spring 8, and pin 6 can be moved in housing.
Described thrust disc 7 is middle porose cards, is fixed on pin 6, for accepting the thrust of thrust spring 8.
Described thrust spring 8 is helical springs, completes automatic locking for promoting the brake head of pin 6 to coordinate with the lock groove 9 on male cone (strobilus masculinus) 10.
The inner conical surface 11 of described Inner taper hole 12 is for coordinating and mounting column body with male cone (strobilus masculinus) 10, realize bearing 1 to fix with Body of pillar and the quick of Body of pillar with Body of pillar is fixing fast, be beneficial to the quick assembling of Body of pillar and quick demolition, play Fast Installation and effect fixing fast; And then make Body of pillar and connector 3 and Body of pillar and bearing 1 fixation respectively.
The weight that described bearing 1 bears for steady brace body and supporting strut body and Body of pillar; The skid-proof rubber of described bearing 1 bottom surface plays the effect preventing bearing 1 slippage, and the pin skid-proof rubber stepped on 13 plays and prevents from pin from stepping on 13 getting on anti-skidding effect.
In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described Body of pillar and the connection between bearing 1 and Body of pillar and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) 10 of Body of pillar, in the Inner taper hole 12 of bearing 1, is coordinated with pin 6 by the lock groove 9 on male cone (strobilus masculinus) 10 and pins and lock the male cone (strobilus masculinus) 10 of pillar 2 with coordinating of the inner conical surface 11 of bearing 1 and do not loosen; The male cone (strobilus masculinus) 10 of Body of pillar, in the Inner taper hole 12 of connector 3, is coordinated with pin 6 by the lock groove 9 on male cone (strobilus masculinus) 10 and pins and not the loosening coordinating of inner conical surface 11 of the male cone (strobilus masculinus) 10 and connector 3 of locking pillar 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 Body of pillar self gravitation and realize automatic fastening; During demolition, pull the pin handle of pin 6, after the brake head of pin 6 front end exits the lock groove 9 on male cone (strobilus masculinus) 10, Body of pillar upwards one is lifted and automatically will be separated with Inner taper hole 12.
The conical surface comprises inner conical surface 11 and male cone (strobilus masculinus) 10, and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.
In order to can the locking inner conical surface 11 of working good and male cone (strobilus masculinus) 10 not loosen, described lock-bit hole 5, pin 6, thrust disc 7, thrust spring 8 and lock groove 9 form the locked inner conical surface 11 of working good of locking system and male cone (strobilus masculinus) 10.
In order to reduce costs and alleviate the weight of ladder, described bearing 1 and Body of pillar are hollow bodies; Described Body of pillar is individual layer or multilayer in the combination of ladder, and bearing 1 is individual layer in the combination of ladder.
In order to reduce the consumption of ladder and be convenient to store and keeping, all building blocks of described ladder can be reused.
Conveniently pack and transport, described pin is stepped on 13 fixing employing pin on Body of pillar and is connected and fixed, and pin is stepped on 13 one end be merely able on Body of pillar to connector 3 and drawn in, is convenient to packaging; Described Body of pillar and bearing 1 can be dismantled completely and become independent parts, are beneficial to packaging and transport.
Ladder is when assembling, bearing 1 is put on the ground, one end of male cone (strobilus masculinus) 10 is had by Body of pillar to insert in the Inner taper hole 12 of bearing 1, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of pillar 2 is naturally fitted with the inner conical surface 11 of bearing 1 and fixes, and the gravity depressed from pillar 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; Insert in the process of Inner taper hole 12 at the male cone (strobilus masculinus) 10 of pillar 2, the front end of male cone (strobilus masculinus) 10 enter into the position of brake head and arcwall face on oblique promotion brake head time, the oblique promotion brake head in front end of male cone (strobilus masculinus) 10 compresses thrust spring 8 and outwards makes a concession, and the front end of male cone (strobilus masculinus) 10 passes through the position of brake head; When the male cone (strobilus masculinus) 10 of pillar 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of bearing 1, lock groove 9 on male cone (strobilus masculinus) 10 is just in time in the position through brake head, brake head enters in lock groove 9 under the powered of thrust spring 8, the facing directly of brake head to face directly with the annular of lock groove 9 coordinate the inner conical surface 11 of fitting and male cone (strobilus masculinus) 10 locked, male cone (strobilus masculinus) 10 can not be retreated, complete the fixing and locking of Body of pillar and bearing 1.Afterwards, one end of male cone (strobilus masculinus) 10 is again had by Body of pillar to insert in the Inner taper hole 12 of connector 3 in Inner taper hole 12 in connector 3 on Body of pillar, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of pillar 2 is naturally fitted with the inner conical surface 11 of connector 3 and fixes, and the gravity depressed from pillar 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted; Insert in the process of Inner taper hole 12 at the male cone (strobilus masculinus) 10 of pillar 2, the front end of male cone (strobilus masculinus) 10 enter into the position of brake head and arcwall face on oblique promotion brake head time, the oblique promotion brake head in front end of male cone (strobilus masculinus) 10 compresses thrust spring 8 and outwards makes a concession, and the front end of male cone (strobilus masculinus) 10 passes through the position of brake head; When the male cone (strobilus masculinus) 10 of pillar 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 of connector 3, lock groove 9 on male cone (strobilus masculinus) 10 is just in time in the position through brake head, brake head enters in lock groove 9 under the powered of thrust spring 8, the facing directly of brake head to face directly with the annular of lock groove 9 coordinate the inner conical surface 11 of fitting and male cone (strobilus masculinus) 10 locked, male cone (strobilus masculinus) 10 can not be retreated; Afterwards, the male cone (strobilus masculinus) 10 of Body of pillar can insert in the Inner taper hole 12 of Body of pillar by Using such method again, completes being connected and fixed and locking between Body of pillar and Body of pillar.
During the Body of pillar of dismountable, pull the pin handle of pin 6, after the brake head of pin 6 front end exits the lock groove 9 on male cone (strobilus masculinus) 10, Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 in the connector 3 of a Body of pillar below, and the male cone (strobilus masculinus) 10 of Body of pillar will separate automatically with the Inner taper hole 12 of the connector 3 of the Body of pillar of below.During the Body of pillar that dismounting bearing 1 is fixed, pull the pin handle of pin 6, after the brake head of pin 6 front end exits the lock groove 9 on male cone (strobilus masculinus) 10, Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 of bearing 1, and Body of pillar will separate automatically with bearing 1.
The assembly and disassembly of Body of pillar and bearing 1 and connector 3 are very convenient, just can complete without any need for instrument.
Fire fighter is when climbing fire ladder, pin is stepped on 13 pin on Body of pillar and is stepped on 13 and climb up, and can climbing one section of assembling one section, taking with oneself needing the Body of pillar of height, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a Body of pillar in superincumbent Inner taper hole 12 again.During descending stair, step down in pin and step on 13 and down climb, next section tears a Body of pillar open, very convenient.
Claims (6)
1. the upright fire ladder of series winding, is characterized in that: the upright fire ladder of described series winding comprises bearing (1), Body of pillar, lock-bit hole (5), pin (6), thrust spring (8), thrust disc (7), lock groove (9), male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11);
The protrusion circular portion at described bearing (1) middle part has Inner taper hole (12), has air gap groove (4), between the surface of protruding circle and Inner taper hole (12), have lock-bit hole (5) below Inner taper hole (12); The pin being fixed with the folding that can draw in one end of the connector of Body of pillar (3) in the damaged surface of Body of pillar is stepped on (13), there is male cone (strobilus masculinus) (10) in one end of Body of pillar, the other end has connector (3), Inner taper hole (12) is had in connector (3) end, there is air gap groove (4) the inside of Inner taper hole (12), has lock-bit hole (5) between connector (3) and Inner taper hole (12); Thrust disc (7), thrust spring (8) and pin (6) is horizontally installed with in described lock-bit hole (5), thrust disc (7) is fixed on the middle part of pin (6), the pin handle of pin (6) from stretching out the surface of surface or the connector (3) protruding circle after the central part of thrust spring (8) passes, brake head stretches out from the inner conical surface (11) of Inner taper hole (12), one end of thrust spring (8) is pressed in that thrust disc (7) is upper, the other end withstands on lock-bit hole (5); Body of pillar has one end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) of protrusion circle at bearing (1) middle part, or, Body of pillar has one end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) in the connector (3) of a Body of pillar below, male cone (strobilus masculinus) (10) has lock groove (9) coordinate with the brake head of pin (6);
Described Inner taper hole (12) is the hole having tapering, has inner conical surface (11) in Inner taper hole (12); Described bearing (1) is coordinated by the Inner taper hole (12) on the protrusion circle at stable fork middle part with the male cone (strobilus masculinus) (10) of the lower end of pillar (2) and fixes, the Inner taper hole (12) of connector (3) and pillar (2) male cone (strobilus masculinus) (10) coordinate and fix; Described Inner taper hole (12) is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the lock groove (9) on male cone (strobilus masculinus) (10) by the brake head of pin (6) after coordinating with male cone (strobilus masculinus) (10) and fixing; In order to make Inner taper hole (12) and male cone (strobilus masculinus) (10) can close fit, the tapering of described Inner taper hole (12) be consistent with the tapering of male cone (strobilus masculinus) (10);
Described bearing (1) comprises the stable fork of stable center part and terminal pad two parts of core, and stable fork is connected with terminal pad, and terminal pad pitches with stable the bearing (1) forming multidirectional fork-shaped in the centre of stable fork; Described stable fork is blocks or one side is below the cylinder faced directly, stablizes the bearing (1) pitched and form multidirectional fork-shaped with a terminal pad for many; Skid-proof rubber is stained with below stable fork, on stable fork, have terminal pad, terminal pad is the protrusion circle protruded, and protrudes on circle and has internal taper hole, there is air gap groove (4) below Inner taper hole (12), between the surface of protruding circle and Inner taper hole (12), have lock-bit hole (5);
Described Body of pillar is the cylinder that there is male cone (strobilus masculinus) (10) one end, the other end has Inner taper hole (12), comprises connector (3) and pillar (2) two parts; Described Body of pillar to be connector (3) with pillar (2) the be fixed together entirety formed or the entirety be inherently connected; Pillar (2) does not have one end of male cone (strobilus masculinus) (10) and connector (3) not to have one end of Inner taper hole (12) to be connected or be fixed together to form entirety; The end face of one end of described connector (3) has Inner taper hole (12), and there is air gap groove (4) the inside of Inner taper hole (12), has lock-bit hole (5) between the surface of connector (3) and Inner taper hole (12); The lock groove (9) of annular is had at the mid portion of the male cone (strobilus masculinus) (10) of pillar (2), described lock groove (9) is cannelure, cannelure is dovetail groove, the annular locking limit of lock groove (9) is the facing directly of annular, central axis with Body of pillar, corresponding with the position of locking hole, for coordinating with facing directly of brake head and produce locking effect, then the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10), and then make connector (3) and Body of pillar and bearing (1) and Body of pillar fixation;
Described pin (6) comprises brake head, middle part and pin handle three part, three parts are connected, after pin (6) passes thrust spring (8) in lock-bit hole (5), brake head to put in again after laterally entering Inner taper hole (12) in the lock-bit groove on male cone (strobilus masculinus) (10) and with lock-bit slot fit, pin shank portion crosses out the damaged surface of pillar (2); The leading section of described brake head be arcwall face with face directly the shape of composition, towards the one side of air gap groove (4) be face directly, the end that arcwall face is used for allowing the male cone (strobilus masculinus) of pillar (2) (10) hold and the oblique promotion brake head of male cone (strobilus masculinus) (10) retreat, and face directly for coordinating locked male cone (strobilus masculinus) (10) of working good and inner conical surface (11) with the annular groove limit of facing directly of lock-bit groove;
Described pin is stepped on (13) and is comprised bearing (1), connecting pin and riding boogie board, bearing (1) is the pedestal be fixed on Body of pillar, connecting pin is the pin connecting bearing (1) and riding boogie board, riding boogie board is square or flat cylinder or the blocks of stepping on (13) for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board;
Described air gap groove (4) is in the inside of Inner taper hole (12), not inconsistent with the bottom of Inner taper hole (12) when Inner taper hole (12) are inserted in male cone (strobilus masculinus) (10) end for pillar (2), is convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);
Described lock-bit hole (5) is independent cavity, on protrusion circle in the middle part of underframe and in one end of the connector (3) of pillar (2), the aperture that the brake head that mid portion and the one end, the inside that is large, hole, aperture of wearing out pillar (2) surface are used for pin (6) stretches out is little, communicate with brake hole (9), corresponding with the position of the lock-bit groove on male cone (strobilus masculinus) (10), the part that the median pore radius of lock-bit hole (5) is large is used for installing the housing with the mating shapes in lock-bit hole (5); In lock-bit hole (5), be inlaid with the housing with the mating shapes of lock-bit hole (5), housing exposes or does not expose the damaged surface of pillar (2) in lock-bit hole (5); When housing exposes the damaged surface of pillar (2), the one end of exposing the damaged surface of pillar (2) connects with screw or rivets or be welded on the damaged surface of pillar (2); When housing does not expose the damaged surface of pillar (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), thrust spring (8), thrust disc (7) are installed in housing, thrust disc (7) is arranged on the middle part of pin (6), thrust spring (8) is arranged between thrust disc (7) and housing, stretches out, brake head stretches out from the hole of the inner face of housing after the pin handle of pin (6) passes from the centre of thrust spring (8) from the hole of housing outer face; Described housing for installing pin (6) and thrust spring (8), and pin (6) can be moved in housing;
Described thrust disc (7) is middle porose card, is fixed on pin (6), for accepting the thrust of thrust spring (8);
Described thrust spring (8) is helical spring, completes automatic locking for promoting the brake head of pin (6) to coordinate with the lock groove (9) on male cone (strobilus masculinus) (10);
The inner conical surface (11) of described Inner taper hole (12) is for coordinating and mounting column body with male cone (strobilus masculinus) (10), realize bearing (1) to fix with Body of pillar and the quick of Body of pillar with Body of pillar is fixing fast, be beneficial to the quick assembling of Body of pillar and quick demolition, play Fast Installation and effect fixing fast; And then make Body of pillar and connector (3) and Body of pillar and bearing (1) fixation respectively;
The weight that described bearing (1) bears for steady brace body and supporting strut body and Body of pillar; The skid-proof rubber of described bearing (1) bottom surface plays the effect preventing bearing (1) slippage, and the skid-proof rubber on pin is stepped on (13) plays and prevents from pin from stepping on (13) getting on anti-skidding effect;
In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described Body of pillar and the connection between bearing (1) and Body of pillar and fix and all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) (10) of Body of pillar, in the Inner taper hole (12) of bearing (1), is coordinated with pin (6) by the lock groove (9) on male cone (strobilus masculinus) (10) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and bearing (1) of locking pillar (2); The male cone (strobilus masculinus) (10) of Body of pillar, in the Inner taper hole (12) of connector (3), is coordinated with pin (6) by the lock groove (9) on male cone (strobilus masculinus) (10) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and connector (3) of locking pillar (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 Body of pillar self gravitation and realize automatic fastening; During demolition, pull the pin handle of pin (6), after the brake head of pin (6) front end exits the lock groove (9) on male cone (strobilus masculinus) (10), Body of pillar upwards one is lifted and automatically will be separated with Inner taper hole (12);
The conical surface comprises inner conical surface (11) and male cone (strobilus masculinus) (10), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part;
Ladder is when assembling, bearing (1) is put on the ground, one end of male cone (strobilus masculinus) (10) is had by Body of pillar to insert in the Inner taper hole (12) of bearing (1), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of pillar (2) and the inner conical surface (11) of bearing (1) are naturally fitted and fix, and larger from the gravity of pillar (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted; Male cone (strobilus masculinus) (10) in pillar (2) inserts in the process of Inner taper hole (12), the front end of male cone (strobilus masculinus) (10) enter into the position of brake head and arcwall face on oblique promotion brake head time, the oblique promotion brake head in front end of male cone (strobilus masculinus) (10) compresses thrust spring (8) and outwards makes a concession, and the front end of male cone (strobilus masculinus) (10) passes through the position of brake head; When the male cone (strobilus masculinus) (10) of pillar (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of bearing (1), lock groove (9) on male cone (strobilus masculinus) (10) is just in time in the position through brake head, brake head enters in lock groove (9) under the powered of thrust spring (8), the facing directly of brake head to face directly with the annular of lock groove (9) coordinate the inner conical surface of fitting (11) and male cone (strobilus masculinus) (10) locked, male cone (strobilus masculinus) (10) can not be retreated, complete the fixing and locking of Body of pillar and bearing (1); Afterwards, one end of male cone (strobilus masculinus) (10) is again had by Body of pillar to insert in the Inner taper hole (12) of connector (3) in Inner taper hole (12) in connector (3) on Body of pillar, under the effect of self gravitation, the male cone (strobilus masculinus) (10) of pillar (2) and the inner conical surface (11) of connector (3) are naturally fitted and fix, and larger from the gravity of pillar (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted; Male cone (strobilus masculinus) (10) in pillar (2) inserts in the process of Inner taper hole (12), the front end of male cone (strobilus masculinus) (10) enter into the position of brake head and arcwall face on oblique promotion brake head time, the oblique promotion brake head in front end of male cone (strobilus masculinus) (10) compresses thrust spring (8) and outwards makes a concession, and the front end of male cone (strobilus masculinus) (10) passes through the position of brake head; When the male cone (strobilus masculinus) (10) of pillar (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of connector (3), lock groove (9) on male cone (strobilus masculinus) (10) is just in time in the position through brake head, brake head enters in lock groove (9) under the powered of thrust spring (8), the facing directly of brake head to face directly with the annular of lock groove (9) coordinate the inner conical surface of fitting (11) and male cone (strobilus masculinus) (10) locked, male cone (strobilus masculinus) (10) can not be retreated; Afterwards, the male cone (strobilus masculinus) (10) of Body of pillar can insert in the Inner taper hole (12) of Body of pillar by Using such method again, completes being connected and fixed and locking between Body of pillar and Body of pillar;
During the Body of pillar of dismountable, pull the pin handle of pin (6), after the brake head of pin (6) front end exits the lock groove (9) on male cone (strobilus masculinus) (10), Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) in the connector (3) of a Body of pillar below, and the male cone (strobilus masculinus) (10) of Body of pillar will separate automatically with the Inner taper hole (12) of the connector of the Body of pillar of below (3); When dismantling Body of pillar fixing on bearing (1), pull the pin handle of pin (6), after the brake head of pin (6) front end exits the lock groove (9) on male cone (strobilus masculinus) (10), Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) of bearing (1), and Body of pillar will separate automatically with bearing (1);
The assembly and disassembly of Body of pillar and bearing (1) and connector (3) are very convenient, just can complete without any need for instrument;
Fire fighter is when climbing fire ladder, pin is stepped on (13), and the pin on Body of pillar steps on (13) climbs up, one section of assembling one section can be climbed, take with oneself needing the Body of pillar of height, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a Body of pillar again in superincumbent Inner taper hole (12); During descending stair, step down in pin and step on (13) and down climb, next section tears a Body of pillar open, very convenient.
2. to contact upright fire ladder according to claim 1, it is characterized in that: in order to can the locking inner conical surface (11) of working good and male cone (strobilus masculinus) (10) not loosen, the inner conical surface (11) that described lock-bit hole (5), pin (6), thrust disc (7), thrust spring (8) and lock groove (9) composition locking system be locked works good and male cone (strobilus masculinus) (10).
3. to contact upright fire ladder according to claim 1, it is characterized in that: in order to reduce costs and alleviate the weight of ladder, described bearing (1) and Body of pillar are hollow bodies; Described Body of pillar is individual layer or multilayer in the combination of ladder, and bearing (1) is individual layer in the combination of ladder; In order to reduce the consumption of ladder and be convenient to store and keeping, all building blocks of described ladder can be reused.
4. to contact upright fire ladder according to claim 1, it is characterized in that: conveniently pack and transport, described pin is stepped on (13) fixing employing pin on Body of pillar and is connected and fixed, and pin is stepped on (13), and the one end be merely able on Body of pillar to connector (3) is drawn in, is convenient to packaging; Described Body of pillar and bearing (1) can be dismantled completely and become independent parts, are beneficial to packaging and transport.
5. to contact upright fire ladder according to claim 1, it is characterized in that: the structure of the upright fire ladder of described series winding is simple, manufactures, assembles and uses very convenient, do not need instrument in ladder assembly and disassembly process in use; Solve the difficult problem that fire fighter uprightly climbs to a higher point, assemble fire ladder when uprightly climbing to a higher point quick, convenient, safe and reliable, and climbing is convenient; After using, dismounting, packaging and convenient transportation, reduce cost of production and use cost.
6. to contact the manufacture method of upright fire ladder, it is characterized in that: during fabrication, the aluminium alloys of bearing (1) and Body of pillar employing light weight or titanium alloy or carbon alloy or glass-reinforced plastic material manufacture, create hollow body; Thrust disc (7) and pin (6) adopt the plastics manufacture of metal material or high strength;
Described bearing (1) creates the stable fork of stable center part and terminal pad two parts of core, and stable fork creates one with terminal pad, and the bearing (1) forming multidirectional fork-shaped is pitched with stable in the centre that terminal pad is manufactured on stable fork; Described stable fork creates blocks or is the cylinder faced directly below, stablizes the bearing (1) pitched and form multidirectional fork-shaped with a terminal pad for many; Skid-proof rubber is stained with below stable fork, manufacture on stable fork and have terminal pad, terminal pad creates the protrusion circle of protrusion, protrude the upper manufacture of circle and have internal taper hole, internal taper hole creates the hole of tapering, manufacture below Inner taper hole (12) and have air gap groove (4), between the surface of protruding circle and Inner taper hole (12), manufacture lock-bit hole (5);
Described Body of pillar creates cylinder, creates pillar (2) and connector (3) two parts, and pillar (2) and connector (3) two parts manufacture as a whole or are fixed together into as a whole after manufacturing respectively; Be fixedly connected with the pin that can be close to the cylinder of pillar (2) to the gathering of connector (3) direction in the damaged surface pin of Body of pillar and step on (13), there is male cone (strobilus masculinus) (10) in pillar (2) the end manufacture of Body of pillar, the ring surface of male cone (strobilus masculinus) (10) manufactures the lock groove (9) having annular; Manufacture in the end that the connector (3) of Body of pillar is held and have Inner taper hole (12), Inner taper hole (12) creates the hole of tapering, manufacture below Inner taper hole (12) and have air gap groove (4), between the surface of connector (3) and Inner taper hole (12), manufacture lock-bit hole (5); Described lock groove (9) creates the dovetail groove of annular, and the annular locking limit of lock groove (9) creates the facing directly of annular, central axis with Body of pillar, corresponding with the position of locking hole;
Pin (6) creates brake head, middle part and pin handle three part, three parts create one, pin (6) is arranged in lock-bit hole (5) through after thrust spring (8), brake head to put in after laterally entering Inner taper hole (12) in the lock groove (9) on male cone (strobilus masculinus) (10) again and coordinates with lock groove (9), and pin shank portion crosses out the damaged surface of pillar (2); The leading section of described brake head create sharp arcwall face with face directly composition shape, to create towards the one side of air gap groove (4) and face directly;
Described pin is stepped on (13) and is created bearing (1), connecting pin and riding boogie board three part, bearing (1) creates the pedestal be fixed on Body of pillar, connecting pin creates the pin connecting bearing (1) and riding boogie board, riding boogie board creates square or flat cylinder or the blocks of stepping on (13) for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board;
Described air gap groove (4) is in the inside of Inner taper hole (12), not inconsistent with the bottom of Inner taper hole (12) when Inner taper hole (12) are inserted in male cone (strobilus masculinus) (10) end for pillar (2), is convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);
On described lock-bit hole (5) protrusion be manufactured in the middle part of underframe is justified and in the connector (3) of pillar (2), create independent hole, the mid portion in lock-bit hole (5) and wear out that pillar (2) surface is used for installing that the aperture manufactured with the housing parts of the mating shapes in lock-bit hole (5) is large, aperture that the one end, the inside in hole manufactures for the brake head extension of pin (6) is little, communicate with brake hole (9), corresponding with the position of the lock-bit groove on male cone (strobilus masculinus) (10); In the lock-bit hole (5) manufactured separately, be inlaid with the housing with the mating shapes of lock-bit hole (5), housing exposes or does not expose the damaged surface of pillar (2) in lock-bit hole (5); When housing exposes the damaged surface of pillar (2), the one end of exposing the damaged surface of pillar (2) connects with screw or rivets or be welded on the damaged surface of pillar (2); When housing does not expose the damaged surface of pillar (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), thrust spring (8), thrust disc (7) are installed in housing, thrust disc (7) is arranged on the middle part of pin (6), thrust spring (8) is arranged between thrust disc (7) and housing, stretches out, brake head stretches out from the hole of the inner face of housing after the pin handle of pin (6) passes from the centre of thrust spring (8) from the hole of housing outer face;
Thrust disc (7) creates middle porose card, is fixed on pin (6);
Thrust spring (8) creates helical spring;
The conical surface creates inner conical surface (11) and male cone (strobilus masculinus) (10), and inner conical surface (11) and male cone (strobilus masculinus) (10) create the taper surface of point, and the cross section of the conical surface creates the polygonal conical surface, or creates the conical surface of circle or circular arc;
The consistent tapering that the tapering that tapering and the male cone (strobilus masculinus) (10) of described Inner taper hole (12) coordinate creates;
Lock-bit hole (5) is manufactured between connector (3) surface of described Body of pillar and Inner taper hole (12) and between the protrusion circular surfaces of bearing (1) and Inner taper hole (12), thrust disc (7) is installed in lock-bit hole (5), thrust spring (8) and pin (6), the middle part of pin (6) is fixed with thrust disc (7), the pin shank portion of pin (6) is from the surface of the protrusion circle stretched out after the central part of thrust spring (8) passes the surface of connector (3) or bearing (1), brake head stretches out from the inner conical surface (11) of Inner taper hole (12), one end of thrust spring (8) is pressed on the thrust disc (7) of pin (6), the other end withstands on lock-bit hole (5), lock groove (9) on described male cone (strobilus masculinus) (10) coordinates with the brake head of pin (6), described bearing (1) is coordinated by the Inner taper hole (12) on middle protrusion circle with the male cone (strobilus masculinus) (10) of the lower end of Body of pillar and fixes, and the male cone (strobilus masculinus) (10) of Body of pillar coordinates with the inner conical surface (11) of the Inner taper hole (12) of Body of pillar and fixes, the pin being fixed with the folding that can draw in one end of the connector of Body of pillar (3) in the damaged surface of Body of pillar is stepped on (13), is stained with skid-proof rubber in the bottom of bearing (1), described Inner taper hole (12) is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with pin (6) by the breaker slot on male cone (strobilus masculinus) (10) after coordinating with male cone (strobilus masculinus) (10) and fixing.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510025179.0A CN104612577B (en) | 2015-01-20 | 2015-01-20 | Contact upright fire-fighting rack |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510025179.0A CN104612577B (en) | 2015-01-20 | 2015-01-20 | Contact upright fire-fighting rack |
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| Publication Number | Publication Date |
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| CN104612577A true CN104612577A (en) | 2015-05-13 |
| CN104612577B CN104612577B (en) | 2017-10-31 |
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| CN201510025179.0A Expired - Fee Related CN104612577B (en) | 2015-01-20 | 2015-01-20 | Contact upright fire-fighting rack |
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| CN105024304A (en) * | 2015-01-23 | 2015-11-04 | 余登会 | Upright maintenance ladder for high-voltage line |
| CN110056304A (en) * | 2019-03-14 | 2019-07-26 | 武汉科技大学 | A kind of novel and multifunctional ladder |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN104612577B (en) | 2017-10-31 |
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