CN104612578A - Series-connected vertical fire ladder - Google Patents
Series-connected vertical fire ladder Download PDFInfo
- Publication number
- CN104612578A CN104612578A CN201510025186.0A CN201510025186A CN104612578A CN 104612578 A CN104612578 A CN 104612578A CN 201510025186 A CN201510025186 A CN 201510025186A CN 104612578 A CN104612578 A CN 104612578A
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- pillar
- brake
- pin
- hole
- male cone
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 33
- 230000009194 climbing Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 12
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- 230000009286 beneficial effect Effects 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 9
- 230000013011 mating Effects 0.000 claims description 8
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 6
- 238000007906 compression Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 6
- 230000001154 acute effect Effects 0.000 claims description 5
- 239000003292 glue Substances 0.000 claims description 5
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 241000282326 Felis catus Species 0.000 claims description 3
- 239000011295 pitch Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 229910000838 Al alloy Inorganic materials 0.000 claims description 2
- 229910001339 C alloy Inorganic materials 0.000 claims description 2
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000007769 metal material Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 230000001737 promoting effect Effects 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract 1
- 230000001070 adhesive effect Effects 0.000 abstract 1
- 230000000994 depressogenic effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
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
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Braking Arrangements (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 a brake lever 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 serial connection 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 be in order to provide a kind of be beneficial to carry, be convenient to lay and assemble the upright fire ladder of serial connection and manufacture method.
For achieving the above object, the upright fire ladder of serial connection of the present invention comprises bearing, Body of pillar, lock-bit hole, pin, thrust spring, brake bar, brake hole, breaker slot, male cone (strobilus masculinus), Inner taper hole, inner conical surface;
Described bearing is laid on the ground, air gap groove is had below the Inner taper hole at the middle part of bearing, the bottom of air gap groove is fixed with brake bar, Body of pillar has one end of male cone (strobilus masculinus) to insert in the Inner taper hole in the middle part of bearing, the brake hole of the end of male cone (strobilus masculinus) end is enclosed within brake bar, the breaker slot internal lock customization lever of brake head on brake bar of pin; Inner taper hole is had in the connection head end of Body of pillar, there is air gap groove the inside of Inner taper hole, the bottom of air gap groove is fixed with brake bar, 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, the brake hole of the end of male cone (strobilus masculinus) end is enclosed within brake bar, and the breaker slot on brake bar coordinates with the brake head of pin and locks brake bar and do not slide; 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, lock-bit hole is had in the cylinder that Body of pillar has one end of male cone (strobilus masculinus), in described lock-bit hole, thrust spring and pin are installed, the pin shank portion of pin from stretching out the surface of pillar after the central part of thrust spring passes, the brake head of pin stretch out lock-bit hole after with insert in brake hole or insert in the breaker slot brake bar, thrust spring is arranged on the middle part of pin, and one end of thrust spring is pressed on the brake head of pin, the other end withstands on lock-bit hole; Described brake bar has breaker slot, and breaker slot coordinates with the brake head of pin and locks coordinating of inner conical surface and male cone (strobilus masculinus).
Described Inner taper hole is the hole having tapering, has inner conical surface in Inner taper hole.Described bearing is coordinated with the male cone (strobilus masculinus) of the lower end of pillar by the Inner taper hole on the terminal pad in the middle of stable fork 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 pin by the breaker slot on brake bar after coordinating with male cone (strobilus masculinus) and fixing.In order to enable Inner taper hole and male cone (strobilus masculinus) close fit, the tapering of described Inner taper hole is consistent with the tapering of male cone (strobilus masculinus).
Described 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, stablize the bearing pitched and form multidirectional fork-shaped with a terminal pad, below stable fork, be stained with skid-proof rubber, terminal pad has internal taper hole for many, there is air gap groove below Inner taper hole, be fixed with brake bar in the bottom of air gap groove.
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, is fixed with brake bar in the bottom of air gap groove; There is male cone (strobilus masculinus) one end of described pillar, has one end of male cone (strobilus masculinus) to have brake hole and lock-bit hole; Described brake hole stretches in the cylinder of pillar in the end of pillar; Described lock-bit hole communicates with brake hole and wears out the surface of cylinder in the cylinder that pillar has one end of male cone (strobilus masculinus).
Described pin comprises brake head, middle part and pin handle three part, and three parts are connected, and pin is through after thrust spring in lock-bit hole, and brake head enters in brake hole and coordinates with the breaker slot on brake bar, and pin shank portion stretches 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 on brake bar top be face directly, towards the one side of brake bar fixed end be arcwall face, arcwall face retreats for allowing the oblique promotion brake head in the leading section of brake bar, and the one side faced directly for the right-angle side with lock-bit groove coordinates locked brake bar.
Described brake bar is cylinder, and be fixed on the bottom of the air gap groove inside Inner taper hole, brake bar can slide at brake hole, and brake bar has breaker slot.Described breaker slot 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 brake head on brake bar; The groove top of described right-angled triangle groove is acute angle, one side before the one side of notch and lock-bit groove is the face of right-angle side, the one side of right-angle side coordinates can stand fast by locking brake bar with facing directly of brake head, and the one side of hypotenuse coordinates with the inclined-plane of brake head end and limits the degree of depth that brake head inserts lock-bit groove; Described lock-bit groove is used for coordinating with brake head and producing locking effect, then the locked inner conical surface that posts and male cone (strobilus masculinus), and then makes connector and Body of pillar and bearing and Body of pillar fixation.
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 brake hole is the bearing bore of the end at pillar, communicates with lock-bit hole, for holding brake bar and allowing brake bar slide in brake hole.
Described lock-bit hole is separately cavity, in one end of brake hole in the pillar of male cone (strobilus masculinus), 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 lock-bit hole, corresponding with the position of the lock-bit groove on brake bar, the large part of the median pore radius in lock-bit hole is for installing the housing with the mating shapes in lock-bit hole.In lock-bit hole, be inlaid with the housing with the mating shapes in lock-bit hole, housing exposes or does not expose the damaged surface of 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 and thrust spring are installed in housing, thrust spring is arranged between brake head 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 spring is helical spring, and the breaker slot for the brake head with brake bar that promote pin coordinates and completes automatic locking.
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 breaker slot on brake bar 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 breaker slot on brake bar 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 breaker slot on brake bar, 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 spring, brake bar and brake hole 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 brake hole 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; When the male cone (strobilus masculinus) of pillar inserts Inner taper hole, brake bar is inserted in brake hole, when brake bar enters into the position of brake head, the leading section of brake bar pushes the oblique promotion brake head compression thrust spring of arcwall face of locking head and outwards makes a concession, and the front end of brake bar passes through the position of brake head; When brake bar is through after brake head, when the male cone (strobilus masculinus) of pillar contacts firm with the inner conical surface of the Inner taper hole of bearing, brake head enters in the breaker slot on brake bar under the powered of thrust spring, facing directly of brake head coordinates locked brake bar to stand fast with the one side of lock groove right-angle side, the inner conical surface of laminating and male cone (strobilus masculinus) locked, complete fixing and locking of Body of pillar and bearing.Afterwards, one end of brake hole 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; When the male cone (strobilus masculinus) of pillar inserts Inner taper hole, brake bar is inserted in brake hole, when brake bar enters into the position of brake head, the leading section of brake bar pushes the oblique promotion brake head compression thrust spring of arcwall face of brake head and outwards makes a concession, and the front end of brake bar passes through the position of brake head; When brake bar is through after brake head, when the male cone (strobilus masculinus) of pillar contacts firm with the inner conical surface of the Inner taper hole of connector, brake head enters in the breaker slot on brake bar under the powered of thrust spring, facing directly of brake head coordinates locked brake bar to stand fast with the one side of lock groove right-angle side, laminating Inner taper hole and male cone (strobilus masculinus) locked; Afterwards, the male cone (strobilus masculinus) of 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 breaker slot on brake bar, 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 brake bar skids off from brake hole; Now, as long as Body of pillar upwards one is lifted, 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 breaker slot on brake bar, Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole of bearing, and brake bar skids off from brake hole; Now, as long as Body of pillar upwards one is lifted, 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 serial connection, 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 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, terminal pad manufactures internal taper hole, and internal taper hole creates the hole of tapering, and manufacturing below Inner taper hole has air gap groove, is fixed with brake bar in the bottom of air gap groove.
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; The pin being fixedly connected with the folding that can draw in one end of the connector of Body of pillar in the damaged surface pin of Body of pillar is stepped on, and has male cone (strobilus masculinus) in the post ends manufacture of Body of pillar, and manufacturing in one end of male cone (strobilus masculinus) has brake hole and lock-bit hole; 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, is fixed with brake bar in the bottom of air gap groove.
Described brake hole is manufactured on the end of male cone (strobilus masculinus) end, creates bearing bore or through hole, communicates with lock-bit hole.
Described lock-bit hole creates independent cavity, be manufactured on the surface that cylinder worn out by pillar in the cylinder of male cone (strobilus masculinus), communicate with brake hole, the aperture that corresponding with the position of the lock-bit groove on brake bar, the aperture that the part that mid portion is used for holder housing and wears out abutment surface manufactures is large, the one end, the inside in hole manufactures for the brake head extension of pin is little.In lock-bit hole, be inlaid with the housing with the mating shapes in lock-bit hole, housing exposes or does not expose the damaged surface of 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 and thrust spring are installed in housing, thrust spring is arranged between brake head 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 brake bar creates cylinder, and brake bar manufactures breaker slot; Described breaker slot creates the groove of right triangular shape, and be manufactured on brake bar corresponding with the position of brake head, groove top creates acute angle, and the one side before the one side of notch and lock groove creates the face of right-angle side.
Described pin creates brake head, middle part and pin handle three part, three parts create one, pin is arranged on through after thrust spring in lock-bit hole, and brake head enters in brake hole and coordinates with the breaker slot on brake bar, and pin shank portion stretches out the damaged surface of pillar; The leading section of described brake head create arcwall face with face directly composition shape, towards the one side on brake bar top be face directly, towards the one side of brake bar fixed end be arcwall face.
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.
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.
Described lock-bit hole is manufactured on and communicates with brake hole in the cylinder of the pillar of male cone (strobilus masculinus), thrust spring and pin are installed in lock-bit hole, the pin shank portion of pin from stretching out the surface of pillar after the central part of thrust spring passes, the brake head of pin stretch out lock-bit hole after with insert in brake hole or insert in the breaker slot brake bar, thrust spring is arranged on the middle part of pin, and one end of thrust spring is pressed on the brake head of pin, the other end withstands on lock-bit hole; Described bearing is coordinated with the male cone (strobilus masculinus) of the lower end of Body of pillar by middle Inner taper hole 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, and the breaker slot on brake bar coordinates with the brake head of pin; 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 of the right triangular shape on brake bar after coordinating with male cone (strobilus masculinus) and fixing; 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.
The structure that the present invention is connected in series upright fire ladder 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 being connected in series upright fire ladder;
Fig. 2 is the schematic appearance of Body of pillar;
Fig. 3 is the internal construction schematic diagram of Body of pillar;
Fig. 4 is the sectional structure schematic diagram of bearing;
Fig. 5 is the schematic appearance of the top view of bearing.
Shown in figure: bearing 1, pillar 2, connector 3, brake bar 4, lock-bit hole 5, pin 6, thrust spring 7, air gap groove 8, brake hole 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 is connected in series upright fire ladder and mainly comprises bearing 1, Body of pillar, lock-bit hole 5, pin 6, thrust spring 7, brake bar 4, brake hole 9, breaker slot, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11;
Described bearing 1 is laid on the ground, air gap groove 8 is had below the Inner taper hole 12 at the middle part of bearing 1, the bottom of air gap groove 8 is fixed with brake bar 4, Body of pillar has one end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the middle part of bearing 1, the brake hole 9 of the end of male cone (strobilus masculinus) 10 end is enclosed within brake bar 4, the breaker slot internal lock customization lever 4 of brake head on brake bar 4 of pin 6, Inner taper hole 12 is had in connector 3 end of Body of pillar, there is air gap groove 8 the inside of Inner taper hole 12, the bottom of air gap groove 8 is fixed with brake bar 4, 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, the brake hole 9 of the end of male cone (strobilus masculinus) 10 end is enclosed within brake bar 4, and the breaker slot on brake bar 4 coordinates with the brake head of pin 6 and locks brake bar 4 and do not slide, 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, lock-bit hole 5 is had in the cylinder that Body of pillar has one end of male cone (strobilus masculinus) 10, thrust spring 7 and pin 6 are installed in described lock-bit hole 5, the pin shank portion of pin 6 is from the surface of stretching out pillar 2 after the central part of thrust spring 7 passes, after the brake head of pin 6 stretches out lock-bit hole 5 with insert in brake hole 9 or insert in the breaker slot on brake bar 4, thrust spring 7 is arranged on the middle part of pin 6, one end of thrust spring 7 is pressed on the brake head of pin 6, the other end withstands on lock-bit hole 5, described brake bar 4 has breaker slot, and breaker slot coordinates with the brake head of pin 6 and locks coordinating of inner conical surface 11 and male cone (strobilus masculinus) 10.
Described Inner taper hole 12 is the holes having tapering, has inner conical surface 11 in Inner taper hole 12.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 terminal pad in the middle of stable fork 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 pin 6 by the breaker slot on brake bar 4 after coordinating with male cone (strobilus masculinus) 10 and fixing.In order to make Inner taper hole 12 and male cone (strobilus masculinus) 10 can close fit, the tapering of described Inner taper hole 12 be consistent with the tapering of male cone (strobilus masculinus) 10.
Described 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, stablize the bearing 1 pitched and form multidirectional fork-shaped with a terminal pad for many, skid-proof rubber is stained with below stable fork, terminal pad there is internal taper hole, there is air gap groove 8 below Inner taper hole 12, be fixed with brake bar 4 in the bottom of air gap groove 8.
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 8, is fixed with brake bar 4 in the bottom of air gap groove 8; There is male cone (strobilus masculinus) 10 one end of described pillar 2, has one end of male cone (strobilus masculinus) 10 to have brake hole 9 and lock-bit hole 5; Described brake hole 9 stretches in the cylinder of the end of pillar 2 toward pillar 2; Described lock-bit hole 5 communicates with brake hole 9 and wears out the surface of cylinder in the cylinder that pillar 2 has one end of male cone (strobilus masculinus) 10.
Described pin 6 comprises brake head, middle part and pin handle three part, three parts are connected, pin 6 is through after thrust spring 7 in lock-bit hole 5, and brake head enters in brake hole 9 and coordinates with the breaker slot on brake bar 4, and pin shank portion stretches 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 on brake bar 4 top be face directly, towards the one side of brake bar 4 fixed end be arcwall face, arcwall face retreats for allowing the oblique promotion brake head in the leading section of brake bar 4, and the one side faced directly for the right-angle side with lock-bit groove coordinates locked brake bar 4.
Described brake bar 4 is cylinders, and be fixed on the bottom of the air gap groove 8 inside Inner taper hole 12, brake bar 4 can slide at brake hole 9, and brake bar 4 has breaker slot.Described breaker slot 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 brake head on brake 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 brake bar 4 with facing directly of brake head, and the one side of hypotenuse coordinates with the inclined-plane of brake head end and limits the degree of depth that brake head inserts lock-bit groove; Described lock-bit groove is used for coordinating with brake head and producing locking effect, then the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, and then makes connector 3 and Body of pillar and bearing 1 and Body of pillar fixation.
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 8 is in the inside of Inner taper hole 12, not inconsistent with the bottom of Inner taper hole 12 when Inner taper hole 12 is inserted in male cone (strobilus masculinus) 10 end for pillar 2, is convenient to the close fit of inner conical surface 11 and male cone (strobilus masculinus) 10.
Described brake hole 9 is bearing bore of the end at pillar 2, communicates with lock-bit hole 5, for holding brake bar 4 and allowing brake bar 4 slide in brake hole 9.
Described lock-bit hole 5 is separately cavity, in one end of brake hole 9 in the pillar 2 of male cone (strobilus masculinus) 10, 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 lock-bit hole 5, corresponding with the position of the lock-bit groove on brake bar 4, the large part of the median pore radius in lock-bit hole 5 is for installing the housing with the mating shapes in lock-bit hole 5.In lock-bit hole 5, be inlaid with the housing with the mating shapes in lock-bit hole 5, housing exposes or does not expose the damaged surface of 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 and thrust spring 7 are installed in housing, thrust spring 7 is arranged between brake head 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 7 from the hole of housing outer face.Described housing for installing pin 6 and thrust spring 7, and pin 6 can be moved in housing.
Described thrust spring 7 is helical springs, and the brake head for promoting pin 6 coordinates with the breaker slot of brake bar 4 and completes automatic locking.
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 breaker slot on brake bar 4 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 breaker slot on brake bar 4 and pins and not the loosening coordinating of inner conical surface 11 of the male cone (strobilus masculinus) 10 and connector 3 of locking 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 breaker slot on brake bar 4, 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 spring 7, brake bar 4 and brake hole 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 brake hole 9 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; When the male cone (strobilus masculinus) 10 of pillar 2 inserts Inner taper hole 12, brake bar 4 is inserted in brake hole 9, when brake bar 4 enters into the position of brake head, the leading section of brake bar 4 pushes the arcwall face oblique promotion brake head compression thrust spring 7 of locking head and outwards makes a concession, and the front end of brake bar 4 passes through the position of brake head; When brake bar 4 is through after 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, brake head enters in the breaker slot on brake bar 4 under the powered of thrust spring 7, facing directly of brake head coordinates locked brake bar 4 to stand fast with the one side of lock groove 9 right-angle side, the inner conical surface 11 of laminating and male cone (strobilus masculinus) 10 locked, complete fixing and locking of Body of pillar and bearing 1.Afterwards, one end of brake hole 9 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; When the male cone (strobilus masculinus) 10 of pillar 2 inserts Inner taper hole 12, brake bar 4 is inserted in brake hole 9, when brake bar 4 enters into the position of brake head, the leading section of brake bar 4 pushes the arcwall face oblique promotion brake head compression thrust spring 7 of brake head and outwards makes a concession, and the front end of brake bar 4 passes through the position of brake head; When brake bar 4 is through after 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, brake head enters in the breaker slot on brake bar 4 under the powered of thrust spring 7, facing directly of brake head coordinates locked brake bar 4 to stand fast with the one side of lock groove 9 right-angle side, laminating Inner taper hole 12 and male cone (strobilus masculinus) 10 locked; 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 breaker slot on brake bar 4, 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 brake bar 4 skids off from brake hole 9; Now, as long as Body of pillar upwards one is lifted, 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 breaker slot on brake bar 4, Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 of bearing 1, and brake bar 4 skids off from brake hole 9; Now, as long as Body of pillar upwards one is lifted, pillar 2 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. be connected in series a upright fire ladder, it is characterized in that: the upright fire ladder of described serial connection comprises bearing (1), Body of pillar, lock-bit hole (5), pin (6), thrust spring (7), brake bar (4), brake hole (9), breaker slot, male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11);
Described bearing (1) is laid on the ground, air gap groove (8) is had below the Inner taper hole (12) at the middle part of bearing (1), the bottom of air gap groove (8) is fixed with brake bar (4), Body of pillar has one end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) at bearing (1) middle part, the brake hole (9) of the end that male cone (strobilus masculinus) (10) is held is enclosed within brake bar (4), breaker slot internal lock customization lever (4) of brake head on brake bar (4) of pin (6), Inner taper hole (12) is had in connector (3) end of Body of pillar, there is air gap groove (8) the inside of Inner taper hole (12), the bottom of air gap groove (8) is fixed with brake bar (4), 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, the brake hole (9) of the end that male cone (strobilus masculinus) (10) is held is enclosed within brake bar (4), and the breaker slot on brake bar (4) coordinates with the brake head of pin (6) and locks brake bar (4) and do not slide, 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), lock-bit hole (5) is had in the cylinder that Body of pillar has one end of male cone (strobilus masculinus) (10), thrust spring (7) and pin (6) are installed in described lock-bit hole (5), the pin shank portion of pin (6) is from the surface of stretching out pillar (2) after the central part of thrust spring (7) passes, the brake head of pin (6) stretch out lock-bit hole (5) afterwards with insert in brake hole (9) or insert in the breaker slot on brake bar (4), thrust spring (7) is arranged on the middle part of pin (6), one end of thrust spring (7) is pressed on the brake head of pin (6), the other end withstands on lock-bit hole (5), described brake bar (4) has breaker slot, and breaker slot coordinates with the brake head of pin (6) and locks coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10),
Described Inner taper hole (12) is the hole having tapering, has inner conical surface (11) in Inner taper hole (12); Described bearing (1) is coordinated by the Inner taper hole (12) on the terminal pad in the middle of stable fork 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 pin (6) by the breaker slot on brake bar (4) after coordinating with male cone (strobilus masculinus) (10) and fixing; In order to make Inner taper hole (12) and male cone (strobilus masculinus) (10) can close fit, the tapering of described Inner taper hole (12) be consistent with the tapering of male cone (strobilus masculinus) (10);
Described 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, stablize the bearing (1) pitched and form multidirectional fork-shaped with a terminal pad for many, skid-proof rubber is stained with below stable fork, terminal pad there is internal taper hole, there is air gap groove (8) below Inner taper hole (12), be fixed with brake bar (4) in the bottom of air gap groove (8);
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 (8) the inside of Inner taper hole (12), is fixed with brake bar (4) in the bottom of air gap groove (8); There is male cone (strobilus masculinus) (10) one end of described pillar (2), has one end of male cone (strobilus masculinus) (10) to have brake hole (9) and lock-bit hole (5); Described brake hole (9) stretches in the cylinder of pillar (2) in the end of pillar (2); Described lock-bit hole (5) communicates with brake hole (9) and wears out the surface of cylinder in the cylinder that pillar (2) has one end of male cone (strobilus masculinus) (10);
Described pin (6) comprises brake head, middle part and pin handle three part, three parts are connected, after pin (6) passes thrust spring (7) in lock-bit hole (5), brake head enters in brake hole (9) and coordinates with the breaker slot on brake bar (4), and pin shank portion stretches 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 on brake bar (4) top be face directly, towards the one side of brake bar (4) fixed end be arcwall face, arcwall face is used for allowing the oblique promotion brake head in the leading section of brake bar (4) retreat, and the one side faced directly for the right-angle side with lock-bit groove coordinates locked brake bar (4);
Described brake bar (4) is cylinder, and be fixed on the bottom of the air gap groove (8) of Inner taper hole (12) the inside, brake bar (4) can slide at brake hole (9), and brake bar (4) has breaker slot; Described breaker slot is the groove of right triangular shape or the inclined-plane of right-angled triangle is changed into the groove of arc-shaped side, upper corresponding with the position of brake head at brake 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 brake bar (4) with facing directly of brake head, and the one side of hypotenuse coordinates with the inclined-plane of brake head end and limits the degree of depth that brake head inserts lock-bit groove; Described lock-bit groove is used for coordinating with brake head and producing locking effect, then the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10), and then makes connector (3) and Body of pillar and bearing (1) and Body of pillar fixation;
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 (8) is in the inside of Inner taper hole (12), not inconsistent with the bottom of Inner taper hole (12) when Inner taper hole (12) are inserted in male cone (strobilus masculinus) (10) end for pillar (2), is convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);
Described brake hole (9) is the bearing bore of the end at pillar (2), communicates with lock-bit hole (5), for holding brake bar (4) and allowing brake bar (4) slide in brake hole (9);
Described lock-bit hole (5) is separately cavity, in one end of brake hole (9) in the pillar (2) of male cone (strobilus masculinus) (10), mid portion and the one end, the inside that is large, hole, aperture of wearing out pillar (2) surface brake head of being used for pin (6) aperture of stretching out is little, communicate with lock-bit hole (5), corresponding with the position of the lock-bit groove on brake bar (4), the part that the median pore radius of lock-bit hole (5) is large is used for installing the housing with the mating shapes in lock-bit hole (5); In lock-bit hole (5), be inlaid with the housing with the mating shapes of lock-bit hole (5), housing exposes or does not expose the damaged surface of 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) and thrust spring (7) are installed in housing, thrust spring (7) is arranged between brake head 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 (7) from the hole of housing outer face; Described housing for installing pin (6) and thrust spring (7), and pin (6) can be moved in housing;
Described thrust spring (7) is helical spring, and the brake head for promoting pin (6) coordinates with the breaker slot of brake bar (4) and completes automatic locking;
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 breaker slot on brake bar (4) 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 breaker slot on brake bar (4) and pins and not the loosening coordinating of inner conical surface (11) of the male cone (strobilus masculinus) (10) and connector (3) of locking 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 breaker slot on brake bar (4), 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 brake hole (9) 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; When male cone (strobilus masculinus) (10) in pillar (2) inserts Inner taper hole (12), brake bar (4) is inserted in brake hole (9), when brake bar (4) enters into the position of brake head, the leading section of brake bar (4) pushes oblique promotion brake head compression thrust spring (7) of arcwall face of locking head and outwards makes a concession, and the front end of brake bar (4) passes through the position of brake head; After brake bar (4) is through 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), brake head enters in the breaker slot on brake bar (4) under the powered of thrust spring (7), facing directly of brake head coordinates locked brake bar (4) to stand fast with the one side of lock groove (9) right-angle side, the inner conical surface (11) of laminating and male cone (strobilus masculinus) (10) locked, complete fixing and locking of Body of pillar and bearing (1); Afterwards, one end of brake hole (9) 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; When male cone (strobilus masculinus) (10) in pillar (2) inserts Inner taper hole (12), brake bar (4) is inserted in brake hole (9), when brake bar (4) enters into the position of brake head, the leading section of brake bar (4) pushes oblique promotion brake head compression thrust spring (7) of arcwall face of brake head and outwards makes a concession, and the front end of brake bar (4) passes through the position of brake head; After brake bar (4) is through 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), brake head enters in the breaker slot on brake bar (4) under the powered of thrust spring (7), facing directly of brake head coordinates locked brake bar (4) to stand fast with the one side of lock groove (9) right-angle side, laminating Inner taper hole (12) and male cone (strobilus masculinus) (10) locked; 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 breaker slot on brake bar (4), 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 brake bar (4) skids off from brake hole (9); Now, as long as Body of pillar upwards one is lifted, 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 breaker slot on brake bar (4), Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) of bearing (1), and brake bar (4) skids off from brake hole (9); Now, as long as Body of pillar upwards one is lifted, pillar (2) 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. be connected in series 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 spring (7), brake bar (4) and brake hole (9) composition locking system be locked works good and male cone (strobilus masculinus) (10).
3. be connected in series 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. be connected in series 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. be connected in series upright fire ladder according to claim 1, it is characterized in that: the structure of the upright fire ladder of described serial connection 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. be connected in series 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 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, terminal pad manufactures internal taper hole, and internal taper hole creates the hole of tapering, and manufacturing below Inner taper hole (12) has air gap groove (8), is fixed with brake bar (4) in the bottom of air gap groove (8);
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; The pin being fixedly connected with the folding that can draw in one end of the connector of Body of pillar (3) in the damaged surface pin of Body of pillar is stepped on (13), have male cone (strobilus masculinus) (10) in pillar (2) the end manufacture of Body of pillar, manufacturing in one end of male cone (strobilus masculinus) (10) has brake hole (9) and lock-bit hole (5); 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, and manufacturing below Inner taper hole (12) has air gap groove (8), is fixed with brake bar (4) in the bottom of air gap groove (8);
Described brake hole (9) is manufactured on the end that male cone (strobilus masculinus) (10) is held, and creates bearing bore or through hole, communicates with lock-bit hole (5);
Described lock-bit hole (5) creates independent cavity, be manufactured on the surface that cylinder worn out by pillar (2) in the cylinder of male cone (strobilus masculinus) (10), communicate with brake hole (9), the aperture that corresponding with the position of the lock-bit groove on brake bar (4), the aperture that the part that mid portion is used for holder housing and wears out pillar (2) surface manufactures is large, the one end, the inside in hole manufactures for the brake head extension of pin (6) is little; In lock-bit hole (5), be inlaid with the housing with the mating shapes of lock-bit hole (5), housing exposes or does not expose the damaged surface of 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) and thrust spring (7) are installed in housing, thrust spring (7) is arranged between brake head 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 (7) from the hole of housing outer face;
Described brake bar (4) creates cylinder, has breaker slot in the upper manufacture of brake bar (4); Described breaker slot creates the groove of right triangular shape, and be manufactured on brake bar (4) upper corresponding with the position of brake head, groove top creates acute angle, and the one side before the one side of notch and lock groove (9) creates the face of right-angle side;
Described 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 (7), brake head enters in brake hole (9) and coordinates with the breaker slot on brake bar (4), and pin shank portion stretches out the damaged surface of pillar (2); The leading section of described brake head create arcwall face with face directly composition shape, towards the one side on brake bar (4) top be face directly, towards the one side of brake bar (4) fixed end be arcwall face;
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;
Thrust spring (7) 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;
Described lock-bit hole (5) is manufactured on and communicates with brake hole (9) in the cylinder of the pillar (2) of male cone (strobilus masculinus) (10), thrust spring (7) and pin (6) are installed in lock-bit hole (5), the pin shank portion of pin (6) is from the surface of stretching out pillar (2) after the central part of thrust spring (7) passes, the brake head of pin (6) stretch out lock-bit hole (5) afterwards with insert in brake hole (9) or insert in the breaker slot on brake bar (4), thrust spring (7) is arranged on the middle part of pin (6), one end of thrust spring (7) is pressed on the brake head of pin (6), the other end withstands on lock-bit hole (5), described bearing (1) is coordinated by middle Inner taper hole (12) with the male cone (strobilus masculinus) (10) of the lower end of Body of pillar and fixes, 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, and the breaker slot on brake bar (4) coordinates with the brake head of pin (6), 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 of the right triangular shape on brake bar (4) after coordinating with male cone (strobilus masculinus) (10) and fixing, 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).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510025186.0A CN104612578B (en) | 2015-01-20 | 2015-01-20 | Concatenate upright fire-fighting rack |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510025186.0A CN104612578B (en) | 2015-01-20 | 2015-01-20 | Concatenate upright fire-fighting rack |
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| CN104612578A true CN104612578A (en) | 2015-05-13 |
| CN104612578B CN104612578B (en) | 2016-06-29 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104653093A (en) * | 2015-01-23 | 2015-05-27 | 余登会 | Upright serially-connected high-voltage line maintaining ladder |
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| DE29520679U1 (en) * | 1995-12-29 | 1996-02-22 | Söll GmbH, 95028 Hof | Device for connecting two single-rail ladder elements |
| US6360845B1 (en) * | 2000-06-08 | 2002-03-26 | Kenneth David Allison | Single stile ladder having dual adjustable leg supports |
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| CN201705192U (en) * | 2010-05-31 | 2011-01-12 | 河南省电力公司三门峡供电公司 | Dedicated extension ladder for replacing insulator |
| DE202013006652U1 (en) * | 2013-07-24 | 2013-08-23 | Schwemmer & Dorn + Co Gmbh | mast Head |
| CN204002510U (en) * | 2014-07-10 | 2014-12-10 | 重庆璐豪农业开发有限公司 | There is the overlapping bamboo bimber stair of bindiny mechanism |
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2015
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29520679U1 (en) * | 1995-12-29 | 1996-02-22 | Söll GmbH, 95028 Hof | Device for connecting two single-rail ladder elements |
| US6360845B1 (en) * | 2000-06-08 | 2002-03-26 | Kenneth David Allison | Single stile ladder having dual adjustable leg supports |
| US20050230186A1 (en) * | 2004-04-20 | 2005-10-20 | Bigard John H | Climing stick apparatus |
| CN201705192U (en) * | 2010-05-31 | 2011-01-12 | 河南省电力公司三门峡供电公司 | Dedicated extension ladder for replacing insulator |
| DE202013006652U1 (en) * | 2013-07-24 | 2013-08-23 | Schwemmer & Dorn + Co Gmbh | mast Head |
| CN204002510U (en) * | 2014-07-10 | 2014-12-10 | 重庆璐豪农业开发有限公司 | There is the overlapping bamboo bimber stair of bindiny mechanism |
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| CN104653093A (en) * | 2015-01-23 | 2015-05-27 | 余登会 | Upright serially-connected high-voltage line maintaining ladder |
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| CN104612578B (en) | 2016-06-29 |
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