CN104514484A - Tandem type upright fire-fighting ladder - Google Patents
Tandem type upright fire-fighting ladder Download PDFInfo
- Publication number
- CN104514484A CN104514484A CN201410832426.3A CN201410832426A CN104514484A CN 104514484 A CN104514484 A CN 104514484A CN 201410832426 A CN201410832426 A CN 201410832426A CN 104514484 A CN104514484 A CN 104514484A
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- China
- Prior art keywords
- cleat stanchion
- male cone
- strobilus masculinus
- taper hole
- inner taper
- Prior art date
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- 238000004519 manufacturing process Methods 0.000 claims abstract description 32
- 238000000034 method Methods 0.000 claims abstract description 18
- 230000009194 climbing Effects 0.000 claims abstract description 14
- 230000000694 effects Effects 0.000 claims description 21
- 230000009286 beneficial effect Effects 0.000 claims description 10
- 230000005484 gravity Effects 0.000 claims description 9
- 238000004806 packaging method and process Methods 0.000 claims description 8
- 239000003292 glue Substances 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims description 6
- 230000037431 insertion Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000010030 laminating Methods 0.000 claims description 6
- 241000282326 Felis catus Species 0.000 claims description 3
- 230000001737 promoting effect Effects 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
- 239000000203 mixture Substances 0.000 claims description 2
- 239000004033 plastic Substances 0.000 claims description 2
- 229920003023 plastic Polymers 0.000 claims description 2
- 230000006835 compression Effects 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 230000000994 depressogenic effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
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
-
- 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
- E06C7/08—Special construction of longitudinal members, or rungs or other treads
- E06C7/082—Connections between rungs or treads and longitudinal members
-
- 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
- E06C7/44—Means for mounting ladders on uneven ground
-
- 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
- E06C7/46—Non-skid equipment
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Insertion Pins And Rivets (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
The invention discloses a tandem type upright fire-fighting ladder. A base plate of the tandem type upright fire-fighting ladder is matched with the outer conical surface of the lower end of a ladder cylinder through an inner conical hole formed in the middle so as to be fixed; the outer conical surface of the ladder cylinder is matched with the inner conical surface of the inner conical hole in the ladder cylinder so as to be fixed; after the inner conical hole and the outer conical surface are matched and fixed, locking slots in the inner conical surface are matched with braking pins to automatically lock the inner conical surface and the outer conical surface which are attached; foot pedals are fixed on the cylinder surface of the ladder cylinder; antiskid rubber is adhered to the foot pedals; antiskid rubber is adhered to the bottom of the base plate. The tandem type upright fire-fighting ladder is simple in structure and is very convenient to assemble and use; tools are not needed in the assembling and disassembling process during use of the ladder; by adoption of the tandem type upright fire-fighting ladder, the difficulty of upright climbing of a fire fighter is solved; during upright climbing, the fire-fighting ladder can be quickly, conveniently, safely and reliably assembled, and the climbing is convenient; after being used, the tandem type upright fire-fighting ladder is convenient to detach, package and transport, so that the production cost and the use cost are lowered.
Description
Technical field
The present invention relates to a kind of serially connected upright fire ladder for fire fighter's climbing.
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 serially connected upright fire ladder laying and assemble and manufacture method thereof.
For achieving the above object, serially connected upright fire ladder of the present invention comprises chassis, cleat stanchion body, lockhole, banking pin, locking spring, fixed disk, lock groove, male cone (strobilus masculinus), Inner taper hole, inner conical surface;
Protrusion circular portion in the middle part of described chassis has Inner taper hole, has clearance groove below Inner taper hole, between the surface of protruding circle and Inner taper hole, have lockhole; The pin being fixed with the folding that can draw in one end of the connector of cleat stanchion body in the damaged surface of cleat stanchion body is stepped on, there is male cone (strobilus masculinus) in one end of cleat stanchion body, the other end has connector, connect in head end and have Inner taper hole, there is clearance groove the inside of Inner taper hole, between connector and Inner taper hole, have lockhole; Fixed disk, locking spring and banking pin is horizontally installed with in described lockhole, fixed disk is fixed on the middle part of banking pin, the handle of banking pin from stretching out the surface of surface or the connector protruding circle after the central part of locking spring passes, tapered end stretches out from the inner conical surface of Inner taper hole or Inner taper hole, one end of locking spring is pressed on fixed disk, the other end withstands on lockhole.Cleat stanchion body has in the Inner taper hole of the protrusion circle in the middle part of the insertion chassis, one end of male cone (strobilus masculinus), or cleat stanchion body has one end of male cone (strobilus masculinus) to insert in the Inner taper hole in the connector of a cleat stanchion body below, and the lock groove on male cone (strobilus masculinus) coordinates with the tapered end of banking pin.
Described Inner taper hole is the hole having tapering, has inner conical surface in Inner taper hole.Described chassis is coordinated with the male cone (strobilus masculinus) of the lower end of cleat stanchion by the Inner taper hole on the protrusion circle in the middle part of stable disk and is fixed, the Inner taper hole of connector and cleat stanchion 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 tapered end of banking 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 chassis comprises the stable disk of stable center part and terminal pad two parts of core, and stable disk is connected with terminal pad, stable disk under, terminal pad is upper; Described stable disk becomes dish type, below stable disk, be stained with skid-proof rubber, on stable disk, have terminal pad, terminal pad is the protrusion circle protruded, protrude on circle and have internal taper hole, below Inner taper hole, have clearance groove, between the surface of protruding circle and Inner taper hole, have lockhole.
Described cleat stanchion body is the cylinder that there is male cone (strobilus masculinus) one end, the other end has Inner taper hole, comprises connector and cleat stanchion two parts; Described cleat stanchion body is that connector and cleat stanchion are fixed together the entirety formed or the entirety be inherently connected; Cleat stanchion 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 clearance groove the inside of Inner taper hole, between the surface of connector and Inner taper hole, have lockhole.The lock groove of annular is had at the mid portion of the male cone (strobilus masculinus) of cleat stanchion, described lock groove is cannelure, cannelure is the groove of arcwall face, on the male cone (strobilus masculinus) of cleat stanchion, locking effect is produced for coordinating with the arcwall face of tapered end, then the locked inner conical surface that posts and male cone (strobilus masculinus), and then make connector and cleat stanchion body and chassis and the fixation of cleat stanchion body.
Described banking pin comprises tapered end, middle part and handle three part, three parts are connected, banking pin is through after locking spring in lockhole, and tapered end 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 handle portion crosses out the damaged surface of cleat stanchion; The leading section of described tapered end is arcwall face.
It is square or flat cylinder that described pin is stepped on, and is stained with skid-proof rubber or has antiskid glue sleeve at the surface of cylinder cover on the surface of cylinder.
Described clearance groove in the inside of Inner taper hole, for cleat stanchion 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 protrusion circle of described lockhole in the middle part of chassis and in one end of the connector of cleat stanchion body, communicate with Inner taper hole, corresponding with the position of the breaker slot on male cone (strobilus masculinus), for installing fixed disk, banking pin and locking spring, and banking pin can be moved in lockhole.
Described locking spring is helical spring, completes automatic locking for promoting the tapered end of banking 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 with male cone (strobilus masculinus) and installing cleat stanchion body, realize chassis and cleat stanchion body the fixing fast of fixing and cleat stanchion body and cleat stanchion body fast, be beneficial to the quick assembling of cleat stanchion body and quick demolition, play Fast Installation and effect fixing fast; And then make cleat stanchion body and connector and cleat stanchion body and chassis fixation respectively.
The weight that described chassis is born for stablizing cleat stanchion body and supporting ladder cylinder and cleat stanchion body; The skid-proof rubber of described undersurface of bottom disc plays the effect preventing chassis 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 cleat stanchion body and the connection between chassis and cleat stanchion body and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) of cleat stanchion body, in the Inner taper hole on chassis, is coordinated with banking pin by the lock groove on male cone (strobilus masculinus) and pins and lock the male cone (strobilus masculinus) of cleat stanchion with coordinating of the inner conical surface on chassis and do not loosen; The male cone (strobilus masculinus) of cleat stanchion body, in the Inner taper hole of connector, is coordinated with banking pin by the lock groove on male cone (strobilus masculinus) and pins and lock the male cone (strobilus masculinus) of cleat stanchion 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 cleat stanchion body self gravitation and realize automatic fastening; During demolition, pull the handle of banking pin, after the tapered end of banking pin front end exits the lock groove on male cone (strobilus masculinus), cleat stanchion body upwards one is lifted and automatically will be separated with Inner taper hole.
The conical surface comprises inner conical surface and male cone (strobilus masculinus), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.
In order to can the locking inner conical surface of working good and male cone (strobilus masculinus) not loosen, the inner conical surface that described lockhole, banking pin, fixed disk, locking spring and lock groove composition locking system is locked works good and male cone (strobilus masculinus).
In order to reduce costs and alleviate the weight of ladder, described chassis and cleat stanchion body are hollow bodies; Described cleat stanchion body is individual layer or multilayer in the combination of ladder, and chassis is individual layer in the combination of ladder.
Conveniently pack and transport, the fixing employing pin that described pin steps down on cleat stanchion body is connected and fixed, and pin steps down in one end be merely able to connector on cleat stanchion body and draws in, is convenient to packaging; Described cleat stanchion body and chassis can be dismantled completely and be become independent parts, are beneficial to packaging and transport.
Ladder is when assembling, chassis is put on the ground, cleat stanchion body is had in the Inner taper hole on insertion chassis, one end of male cone (strobilus masculinus), under the effect of self gravitation, the male cone (strobilus masculinus) of cleat stanchion and the inner conical surface on chassis are naturally fitted and fix, and the gravity depressed from cleat stanchion 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 cleat stanchion, the front end of male cone (strobilus masculinus) enter into the position of tapered end and arcwall face on oblique promotion tapered end time, tapered end compression locking spring and outwards shrinking back, the front end of male cone (strobilus masculinus) passes through the position of tapered end; When the male cone (strobilus masculinus) of cleat stanchion contacts firm with the inner conical surface of the Inner taper hole on chassis, lock groove on male cone (strobilus masculinus) is just in time in the position through tapered end, tapered end is under the powered of locking spring, to enter in lock groove the inner conical surface of laminating and male cone (strobilus masculinus) is locked can not retreat, complete fixing and locking of cleat stanchion body and chassis.Afterwards, one end of male cone (strobilus masculinus) is again had by cleat stanchion body to insert in the Inner taper hole of connector in Inner taper hole in connector on cleat stanchion body, under the effect of self gravitation, the male cone (strobilus masculinus) of cleat stanchion and the inner conical surface on chassis are naturally fitted and fix, and the gravity depressed from cleat stanchion 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 cleat stanchion, the front end of male cone (strobilus masculinus) enter into the position of tapered end and arcwall face on oblique promotion tapered end time, tapered end compression locking spring and outwards shrinking back, the front end of male cone (strobilus masculinus) passes through the position of tapered end; When the male cone (strobilus masculinus) of cleat stanchion 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 tapered end, tapered end, under the powered of locking spring, to enter in lock groove the inner conical surface of laminating and male cone (strobilus masculinus) is locked can not retreat; Afterwards, the male cone (strobilus masculinus) of cleat stanchion body can insert in the Inner taper hole of cleat stanchion body by Using such method again, completes being connected and fixed and locking between cleat stanchion body and cleat stanchion body.
During the cleat stanchion body of dismountable, pull the handle of banking pin, after the tapered end of banking pin front end exits the lock groove on male cone (strobilus masculinus), cleat stanchion body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole in the connector of a cleat stanchion body below, and the male cone (strobilus masculinus) of cleat stanchion body will separate automatically with the Inner taper hole of the connector of the cleat stanchion body of below.During fixing on dismounting chassis cleat stanchion body, pull the handle of banking pin, after the tapered end of banking pin front end exits the lock groove on male cone (strobilus masculinus), cleat stanchion body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole on chassis, and cleat stanchion body will separate automatically with chassis.
The assembly and disassembly of cleat stanchion body and chassis 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 cleat stanchion body steps on and climbs up, and can climb one section of assembling one section, takes with oneself needing the cleat stanchion body of height, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a cleat stanchion body in superincumbent Inner taper hole again.During descending stair, step down in pin and step on and down climb, next section tears a cleat stanchion body open, very convenient.
The manufacture method of described serially connected upright fire ladder, is characterized in that:
During fabrication, chassis and cleat stanchion body adopt the aluminium alloys of light weight or titanium alloy or carbon alloy or glass-reinforced plastic material manufacture, create hollow body; Fixed disk and banking pin adopt the plastics manufacture of metal material or high strength.
Described chassis creates the stable disk of stable center part and terminal pad two parts of core, and stable disk and terminal pad create one, stable disk under, terminal pad is upper; Described stable disk creates dish type, skid-proof rubber is stained with below stable disk, manufacture on stable disk 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, and manufacturing below Inner taper hole has clearance groove, between the surface of protruding circle and Inner taper hole, manufacture lockhole.
Described cleat stanchion system causes cylinder, creates cleat stanchion and connector two parts, and cleat stanchion 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 cleat stanchion to the gathering of connector direction in the damaged surface pin of cleat stanchion body to step on, male cone (strobilus masculinus) is had in the cleat stanchion end manufacture of cleat stanchion body, the ring surface of male cone (strobilus masculinus) manufactures the lock groove having annular, and described lock groove creates the groove of arcwall face; Manufacture in the end of the connection head end of cleat stanchion body and have Inner taper hole, Inner taper hole creates the hole of tapering, and manufacturing below Inner taper hole has clearance groove, between the surface of connector and Inner taper hole, manufacture lockhole.
Banking pin creates tapered end, middle part and handle three part, three parts create one, banking pin is arranged in lockhole through after locking spring, tapered end 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 handle portion crosses out the damaged surface of cleat stanchion; The leading section of described tapered end creates arcwall face.
Described pin is stepped on and is created square or flat cylinder, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of cylinder cover on the surface of cylinder.
Described clearance groove in the inside of Inner taper hole, for cleat stanchion 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).
The described lockhole protrusion be manufactured in the middle part of chassis is justified upper and is manufactured in one end of connector of cleat stanchion body, communicates with Inner taper hole, corresponding with the position of the breaker slot on male cone (strobilus masculinus); Fixed disk, banking pin and locking spring are installed in lockhole.
Described pin is stepped on and is created square or flat cylinder, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of cylinder cover on the surface of cylinder.
Locking 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.
Lockhole is manufactured between the connector surface of described cleat stanchion body and Inner taper hole and between the protrusion circular surfaces on chassis and Inner taper hole, fixed disk, locking spring and banking pin are installed in lockhole, the middle part of banking pin is fixed with fixed disk, the handle portion of banking pin from the surface of the protrusion circle stretched out after the central part of locking spring passes the surface of connector or chassis, tapered end stretches out from the inner conical surface of Inner taper hole, one end of locking spring is pressed on the fixed disk of banking pin, the other end withstands on lockhole; Lock groove on described male cone (strobilus masculinus) coordinates with the tapered end of banking pin; Described chassis is coordinated with the male cone (strobilus masculinus) of the lower end of cleat stanchion body by the Inner taper hole on middle protrusion circle and is fixed, and the male cone (strobilus masculinus) of cleat stanchion body coordinates with the inner conical surface of the Inner taper hole of cleat stanchion body and fixes; The pin being fixed with the folding that can draw in one end of the connector of cleat stanchion body in the damaged surface of cleat stanchion body is stepped on, and is stained with skid-proof rubber in the bottom on chassis; Described Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with banking pin by the breaker slot on male cone (strobilus masculinus) after coordinating with male cone (strobilus masculinus) and fixing.
The structure of the serially connected 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 serially connected upright fire ladder, 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 serially connected upright fire ladder;
Fig. 2 is the structural representation of cleat stanchion body;
Fig. 3 is the sectional structure schematic diagram on chassis;
Fig. 4 is the schematic appearance of the top view on chassis.
Shown in figure: chassis 1, cleat stanchion 2, connector 3, clearance groove 4, lockhole 5, banking pin 6, fixed disk 7, locking 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 serially connected upright fire ladder of the present invention mainly comprises chassis 1, cleat stanchion 2 body, lockhole 5, banking pin 6, locking spring 8, fixed disk 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 chassis 1 has below Inner taper hole 12, Inner taper hole 12 and has clearance groove 4, between the surface of protruding circle and Inner taper hole 12, have lockhole 5; The pin being fixed with the folding that can draw in one end of the connector 3 of cleat stanchion 2 body in the damaged surface of cleat stanchion 2 body steps on 13, there is male cone (strobilus masculinus) 10 in one end of cleat stanchion 2 body, the other end has connector 3, Inner taper hole 12 is had in connector 3 end, there is clearance groove 4 the inside of Inner taper hole 12, has lockhole 5 between connector 3 and Inner taper hole 12; Fixed disk 7, locking spring 8 and banking pin 6 is horizontally installed with in described lockhole 5, fixed disk 7 is fixed on the middle part of banking pin 6, the handle of banking pin 6 from stretching out the surface of surface or the connector 3 protruding circle after the central part of locking spring 8 passes, tapered end stretches out from the inner conical surface 11 of Inner taper hole 12 or Inner taper hole 12, one end of locking spring 8 is pressed on fixed disk 7, the other end withstands on lockhole 5.Cleat stanchion 2 body has in the Inner taper hole 12 of the protrusion circle in the middle part of the insertion chassis, one end 1 of male cone (strobilus masculinus) 10, or, cleat stanchion 2 body has one end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the connector 3 of cleat stanchion 2 body below, and the lock groove 9 on male cone (strobilus masculinus) 10 coordinates with the tapered end of banking pin 6.
Described Inner taper hole 12 is the holes having tapering, has inner conical surface 11 in Inner taper hole 12.Described chassis 1 is coordinated with the male cone (strobilus masculinus) 10 of the lower end of cleat stanchion 2 by the Inner taper hole 12 on protrusion in the middle part of stable disk circle and fixes, the Inner taper hole 12 of connector 3 and cleat stanchion 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 tapered end of banking 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 chassis 1 comprises the stable disk of stable center part and terminal pad two parts of core, and stable disk is connected with terminal pad, stable disk under, terminal pad is upper; Described stable disk becomes dish type, below stable disk, be stained with skid-proof rubber, on stable disk, have terminal pad, terminal pad is the protrusion circle protruded, protrude on circle and have internal taper hole, below Inner taper hole 12, have clearance groove 4, between the surface of protruding circle and Inner taper hole 12, have lockhole 5.
Described cleat stanchion 2 body 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 cleat stanchion 2 two parts; Described cleat stanchion 2 body to be connector 3 with cleat stanchion 2 the be fixed together entirety formed or the entirety be inherently connected; Cleat stanchion 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 clearance groove 4, has lockhole 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 cleat stanchion 2, described lock groove 9 is cannelures, cannelure is the groove of arcwall face, on the male cone (strobilus masculinus) 10 of cleat stanchion 2, locking effect is produced for coordinating with the arcwall face of tapered end, then the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, and then make connector 3 and cleat stanchion 2 body and chassis 1 and the fixation of cleat stanchion 2 body.
Described banking pin 6 comprises tapered end, middle part and handle three part, three parts are connected, after banking pin 6 passes locking spring 8 in lockhole 5, tapered end 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 handle portion crosses out the damaged surface of cleat stanchion 2; The leading section of described tapered end is arcwall face.
It is square or flat cylinders that described pin steps on 13, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of cylinder cover on the surface of cylinder.
Described clearance 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 cleat stanchion 2, is convenient to the close fit of inner conical surface 11 and male cone (strobilus masculinus) 10.
On the protrusion circle of described lockhole 5 in the middle part of chassis 1 and in one end of the connector 3 of cleat stanchion 2 body, communicate with Inner taper hole 12, corresponding with the position of the breaker slot on male cone (strobilus masculinus) 10, for installing fixed disk 7, banking pin 6 and locking spring 8, and banking pin 6 can be moved in lockhole 5.
Described locking spring 8 is helical springs, completes automatic locking for promoting the tapered end of banking 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 installs cleat stanchion 2 body for coordinating with male cone (strobilus masculinus) 10, realize chassis 1 to fix with cleat stanchion 2 body and the quick of cleat stanchion 2 body with cleat stanchion 2 body is fixing fast, be beneficial to the quick assembling of cleat stanchion 2 body and quick demolition, play Fast Installation and effect fixing fast; And then make cleat stanchion 2 body and connector 3 and cleat stanchion 2 body and chassis 1 fixation respectively.
The weight that described chassis 1 is born with support cleat stanchion 2 body and cleat stanchion 2 body for stable cleat stanchion 2 body; The skid-proof rubber of described bottom surface, chassis 1 plays the effect preventing chassis 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 cleat stanchion 2 body and the connection between chassis 1 and cleat stanchion 2 body and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) 10 of cleat stanchion 2 body, in the Inner taper hole 12 on chassis 1, is coordinated with banking pin 6 by the lock groove 9 on male cone (strobilus masculinus) 10 and pins and lock the male cone (strobilus masculinus) 10 of cleat stanchion 2 with coordinating of the inner conical surface 11 on chassis 1 and do not loosen; The male cone (strobilus masculinus) 10 of cleat stanchion 2 body, in the Inner taper hole 12 of connector 3, is coordinated with banking 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 cleat stanchion 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 cleat stanchion 2 body self gravitation and realize automatic fastening; During demolition, pull the handle of banking pin 6, after the tapered end of banking pin 6 front end exits the lock groove 9 on male cone (strobilus masculinus) 10, cleat stanchion 2 body upwards one is lifted and automatically will be separated with Inner taper hole 12.
The conical surface comprises inner conical surface 11 and male cone (strobilus masculinus) 10, and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part.
In order to can the locking inner conical surface 11 of working good and male cone (strobilus masculinus) 10 not loosen, described lockhole 5, banking pin 6, fixed disk 7, locking 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 chassis 1 and cleat stanchion 2 body are hollow bodies; Described cleat stanchion 2 body is individual layer or multilayer in the combination of ladder, and chassis 1 is individual layer in the combination of ladder.
Conveniently pack and transport, described pin is stepped on 13 fixing employing pin on cleat stanchion 2 body and is connected and fixed, and pin is stepped on 13 one end be merely able on cleat stanchion 2 body to connector 3 and drawn in, is convenient to packaging; Described cleat stanchion 2 body and chassis 1 can be dismantled completely and be become independent parts, are beneficial to packaging and transport.
Ladder is when assembling, chassis 1 is put on the ground, cleat stanchion 2 body is had in the Inner taper hole 12 on insertion chassis, one end 1 of male cone (strobilus masculinus) 10, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of cleat stanchion 2 is naturally fitted with the inner conical surface 11 on chassis 1 and fixes, and the gravity depressed from cleat stanchion 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 cleat stanchion 2, the front end of male cone (strobilus masculinus) 10 enter into the position of tapered end and arcwall face on oblique promotion tapered end time, tapered end compression locking spring 8 and outwards shrinking back, the front end of male cone (strobilus masculinus) 10 passes through the position of tapered end; When the male cone (strobilus masculinus) 10 of cleat stanchion 2 contacts firm with the inner conical surface 11 of the Inner taper hole 12 on chassis 1, lock groove 9 on male cone (strobilus masculinus) 10 is just in time in the position through tapered end, tapered end is under the powered of locking spring 8, to enter in lock groove 9 the inner conical surface 11 of laminating and male cone (strobilus masculinus) 10 is locked can not retreat, complete fixing and locking of cleat stanchion 2 body and chassis 1.Afterwards, one end of male cone (strobilus masculinus) 10 is again had by cleat stanchion 2 body to insert in the Inner taper hole 12 of connector 3 in Inner taper hole 12 in connector 3 on cleat stanchion 2 body, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of cleat stanchion 2 is naturally fitted with the inner conical surface 11 on chassis 1 and fixes, and the gravity depressed from cleat stanchion 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 cleat stanchion 2, the front end of male cone (strobilus masculinus) 10 enter into the position of tapered end and arcwall face on oblique promotion tapered end time, tapered end compression locking spring 8 and outwards shrinking back, the front end of male cone (strobilus masculinus) 10 passes through the position of tapered end; When the male cone (strobilus masculinus) 10 of cleat stanchion 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 tapered end, tapered end, under the powered of locking spring 8, to enter in lock groove 9 the inner conical surface 11 of laminating and male cone (strobilus masculinus) 10 is locked can not retreat; Afterwards, the male cone (strobilus masculinus) 10 of cleat stanchion 2 body can insert in the Inner taper hole 12 of cleat stanchion 2 body by Using such method again, completes being connected and fixed and locking between cleat stanchion 2 body and cleat stanchion 2 body.
During cleat stanchion 2 body of dismountable, pull the handle of banking pin 6, after the tapered end of banking pin 6 front end exits the lock groove 9 on male cone (strobilus masculinus) 10, cleat stanchion 2 body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 in the connector 3 of cleat stanchion 2 body below, and the male cone (strobilus masculinus) 10 of cleat stanchion 2 body will separate automatically with the Inner taper hole 12 of the connector 3 of the cleat stanchion 2 of below body.During cleat stanchion 2 body that dismounting chassis 1 is fixed, pull the handle of banking pin 6, after the tapered end of banking pin 6 front end exits the lock groove 9 on male cone (strobilus masculinus) 10, cleat stanchion 2 body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 on chassis 1, and cleat stanchion 2 body will separate automatically with chassis 1.
The assembly and disassembly of cleat stanchion 2 body and chassis 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 cleat stanchion 2 body and is stepped on 13 and climb up, one section of assembling one section can be climbed, take with oneself needing cleat stanchion 2 body of height, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting cleat stanchion 2 body in superincumbent Inner taper hole 12 again.During descending stair, step down in pin and step on 13 and down climb, next section tears cleat stanchion 2 body open, very convenient.
Claims (6)
1. a serially connected upright fire ladder, is characterized in that: described serially connected upright fire ladder comprises chassis (1), cleat stanchion (2) body, lockhole (5), banking pin (6), locking spring (8), fixed disk (7), lock groove (9), male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11);
The protrusion circular portion at described middle part, chassis (1) has Inner taper hole (12), there is clearance groove (4) below Inner taper hole (12), between the surface of protruding circle and Inner taper hole (12), have lockhole (5); The pin being fixed with the folding that can draw in one end of the connector (3) of cleat stanchion (2) body in the damaged surface of cleat stanchion (2) body is stepped on (13), there is male cone (strobilus masculinus) (10) in one end of cleat stanchion (2) body, the other end has connector (3), Inner taper hole (12) is had in connector (3) end, there is clearance groove (4) the inside of Inner taper hole (12), has lockhole (5) between connector (3) and Inner taper hole (12); Fixed disk (7), locking spring (8) and banking pin (6) is horizontally installed with in described lockhole (5), fixed disk (7) is fixed on the middle part of banking pin (6), the handle of banking pin (6) from stretching out the surface of surface or the connector (3) protruding circle after the central part of locking spring (8) passes, tapered end stretches out from the inner conical surface (11) of Inner taper hole (12) or Inner taper hole (12), one end of locking spring (8) is pressed in that fixed disk (7) is upper, the other end withstands on lockhole (5); Cleat stanchion (2) body has in the Inner taper hole (12) of the protrusion circle at the middle part, insertion chassis, one end (1) of male cone (strobilus masculinus) (10), or, cleat stanchion (2) body has one end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) in the connector (3) of cleat stanchion (2) body below, and the lock groove (9) on male cone (strobilus masculinus) (10) coordinates with the tapered end of banking pin (6);
Described Inner taper hole (12) is the hole having tapering, has inner conical surface (11) in Inner taper hole (12); Described chassis (1) is coordinated by the Inner taper hole (12) on protrusion in the middle part of stable disk circle with the male cone (strobilus masculinus) (10) of the lower end of cleat stanchion (2) and fixes, the Inner taper hole (12) of connector (3) and cleat stanchion (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 tapered end of banking 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 chassis (1) comprises the stable disk of stable center part and terminal pad two parts of core, and stable disk is connected with terminal pad, stable disk under, terminal pad is upper; Described stable disk becomes dish type, skid-proof rubber is stained with below stable disk, terminal pad is had on stable disk, terminal pad is the protrusion circle protruded, protrude on circle and have internal taper hole, there is clearance groove (4) below Inner taper hole (12), between the surface of protruding circle and Inner taper hole (12), have lockhole (5);
Described cleat stanchion (2) body 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 cleat stanchion (2) two parts; Described cleat stanchion (2) body to be connector (3) with cleat stanchion (2) the be fixed together entirety formed or the entirety be inherently connected; Cleat stanchion (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), there is clearance groove (4) the inside of Inner taper hole (12), has lockhole (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 cleat stanchion (2), described lock groove (9) is cannelure, cannelure is the groove of arcwall face, on the male cone (strobilus masculinus) (10) of cleat stanchion (2), locking effect is produced for coordinating with the arcwall face of tapered end, then the locked inner conical surface (11) that posts and male cone (strobilus masculinus) (10), and then make connector (3) and cleat stanchion (2) body and chassis (1) and cleat stanchion (2) body fixation;
Described banking pin (6) comprises tapered end, middle part and handle three part, three parts are connected, after banking pin (6) passes locking spring (8) in lockhole (5), tapered end 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 handle portion crosses out the damaged surface of cleat stanchion (2); The leading section of described tapered end is arcwall face;
It is square or flat cylinder that described pin steps on (13), is stained with skid-proof rubber or has antiskid glue sleeve at the surface of cylinder cover on the surface of cylinder;
Described clearance 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 cleat stanchion (2), be convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);
Described lockhole (5) is on the protrusion at chassis (1) middle part is justified and in one end of the connector (3) of cleat stanchion (2) body, communicate with Inner taper hole (12), corresponding with the position of the breaker slot on male cone (strobilus masculinus) (10), for installing fixed disk (7), banking pin (6) and locking spring (8), and banking pin (6) can be moved in lockhole (5);
Described locking spring (8) is helical spring, completes automatic locking for promoting the tapered end of banking 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) installs cleat stanchion (2) body for coordinating with male cone (strobilus masculinus) (10), realize chassis (1) to fix with cleat stanchion (2) body and the quick of cleat stanchion (2) body with cleat stanchion (2) body is fixing fast, be beneficial to the quick assembling of cleat stanchion (2) body and quick demolition, play Fast Installation and effect fixing fast; And then make cleat stanchion (2) body and connector (3) and cleat stanchion (2) body and chassis (1) fixation respectively;
The weight that described chassis (1) is born with support cleat stanchion (2) body and cleat stanchion (2) body for stable cleat stanchion (2) body; The skid-proof rubber of described chassis (1) bottom surface plays the effect preventing chassis (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, improve the speed of installation and demolition, described cleat stanchion (2) body and the connection between chassis (1) and cleat stanchion (2) body and fixingly all adopt cone match, be beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) (10) of cleat stanchion (2) body, in the Inner taper hole (12) of chassis (1), is coordinated with banking 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 chassis (1) of locking cleat stanchion (2); The male cone (strobilus masculinus) (10) of cleat stanchion (2) body, in the Inner taper hole (12) of connector (3), is coordinated with banking 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 cleat stanchion (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 cleat stanchion (2) body self gravitation and realize automatic fastening; During demolition, pull the handle of banking pin (6), after the tapered end of banking pin (6) front end exits the lock groove (9) on male cone (strobilus masculinus) (10), cleat stanchion (2) body upwards one is lifted and automatically will be separated with Inner taper hole (12);
The conical surface comprises inner conical surface (11) and male cone (strobilus masculinus) (10), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part;
Ladder is when assembling, chassis (1) is put on the ground, cleat stanchion (2) body is had in the Inner taper hole (12) on the insertion chassis, one end (1) of male cone (strobilus masculinus) (10), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of cleat stanchion (2) and the inner conical surface (11) on chassis (1) are naturally fitted and fix, and larger from the gravity of cleat stanchion (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 cleat stanchion (2) inserts in the process of Inner taper hole (12), the front end of male cone (strobilus masculinus) (10) enter into the position of tapered end and arcwall face on oblique promotion tapered end time, tapered end compresses locking spring (8) and outwards shrinks back, and the front end of male cone (strobilus masculinus) (10) passes through the position of tapered end; When the male cone (strobilus masculinus) (10) of cleat stanchion (2) contacts firm with the inner conical surface (11) of the Inner taper hole (12) of chassis (1), lock groove (9) on male cone (strobilus masculinus) (10) is just in time in the position through tapered end, tapered end is under the powered of locking spring (8), to enter in lock groove (9) the inner conical surface (11) of laminating and male cone (strobilus masculinus) (10) is locked can not retreat, complete fixing and locking of cleat stanchion (2) body and chassis (1); Afterwards, one end of male cone (strobilus masculinus) (10) is again had by cleat stanchion (2) body to insert in the Inner taper hole (12) of connector (3) in Inner taper hole (12) in connector (3) on cleat stanchion (2) body, under the effect of self gravitation, the male cone (strobilus masculinus) (10) of cleat stanchion (2) and the inner conical surface (11) on chassis (1) are naturally fitted and fix, and larger from the gravity of cleat stanchion (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 cleat stanchion (2) inserts in the process of Inner taper hole (12), the front end of male cone (strobilus masculinus) (10) enter into the position of tapered end and arcwall face on oblique promotion tapered end time, tapered end compresses locking spring (8) and outwards shrinks back, and the front end of male cone (strobilus masculinus) (10) passes through the position of tapered end; When the male cone (strobilus masculinus) (10) of cleat stanchion (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 tapered end, tapered end, under the powered of locking spring (8), to enter in lock groove (9) the inner conical surface (11) of laminating and male cone (strobilus masculinus) (10) is locked can not retreat; Afterwards, the male cone (strobilus masculinus) (10) of cleat stanchion (2) body can insert in the Inner taper hole (12) of cleat stanchion (2) body by Using such method again, completes being connected and fixed and locking between cleat stanchion (2) body and cleat stanchion (2) body;
During cleat stanchion (2) body of dismountable, pull the handle of banking pin (6), after the tapered end of banking pin (6) front end exits the lock groove (9) on male cone (strobilus masculinus) (10), cleat stanchion (2) body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) in the connector (3) of cleat stanchion (2) body below, and the male cone (strobilus masculinus) (10) of cleat stanchion (2) body will separate automatically with the Inner taper hole (12) of the connector (3) of the cleat stanchion of below (2) body; When dismantling cleat stanchion (2) body above fixed on chassis (1), pull the handle of banking pin (6), after the tapered end of banking pin (6) front end exits the lock groove (9) on male cone (strobilus masculinus) (10), cleat stanchion (2) body upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) of chassis (1), and cleat stanchion (2) body will separate automatically with chassis (1);
The assembly and disassembly of cleat stanchion (2) body and chassis (1) and connector (3) are very convenient, just can complete without any need for instrument;
Fire fighter is when climbing fire ladder, the pin that pin is stepped on (13) on cleat stanchion (2) body is stepped on (13) and is climbed up, one section of assembling one section can be climbed, take with oneself needing cleat stanchion (2) body of height, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting cleat stanchion (2) body in superincumbent Inner taper hole (12) again; During descending stair, step down in pin and step on (13) and down climb, next section tears cleat stanchion (2) body open, very convenient.
2. according to the serially connected upright fire ladder of claim 1, it is characterized in that: in order to can the locking inner conical surface (11) of working good and male cone (strobilus masculinus) (10) not loosen, the inner conical surface (11) that described lockhole (5), banking pin (6), fixed disk (7), locking spring (8) and lock groove (9) composition locking system is locked works good and male cone (strobilus masculinus) (10).
3. according to the serially connected upright fire ladder of claim 1, it is characterized in that: in order to reduce costs and alleviate the weight of ladder, described chassis (1) and cleat stanchion (2) body are hollow bodies; Described cleat stanchion (2) body is individual layer or multilayer in the combination of ladder, and chassis (1) is individual layer in the combination of ladder.
4. according to the serially connected upright fire ladder of claim 1, it is characterized in that: conveniently pack and transport, described pin is stepped on (13) fixing employing pin on cleat stanchion (2) body and is connected and fixed, pin is stepped on (13), and the one end be merely able on cleat stanchion (2) body to connector (3) is drawn in, is convenient to packaging; Described cleat stanchion (2) body and chassis (1) can be dismantled completely and be become independent parts, are beneficial to packaging and transport.
5. according to the serially connected upright fire ladder of claim 1, it is characterized in that: the structure of described serially connected 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 serially connected upright fire ladder, 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. a manufacture method for serially connected upright fire ladder, is characterized in that: during fabrication, and chassis (1) and cleat stanchion (2) body adopt the aluminium alloys of light weight or titanium alloy or carbon alloy or glass-reinforced plastic material manufacture, create hollow body; Fixed disk (7) and banking pin (6) adopt the plastics manufacture of metal material or high strength;
Described chassis (1) creates the stable disk of stable center part and terminal pad two parts of core, and stable disk and terminal pad create one, stable disk under, terminal pad is upper; Described stable disk creates dish type, skid-proof rubber is stained with below stable disk, manufacture on stable disk 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, and manufacturing below Inner taper hole (12) has clearance groove (4), between the surface of protruding circle and Inner taper hole (12), manufacture lockhole (5);
Described cleat stanchion (2) system causes cylinder, create cleat stanchion (2) and connector (3) two parts, cleat stanchion (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 cleat stanchion (2) to the gathering of connector (3) direction in the damaged surface pin of cleat stanchion (2) body and step on (13), male cone (strobilus masculinus) (10) is had in cleat stanchion (2) the end manufacture of cleat stanchion (2) body, the ring surface of male cone (strobilus masculinus) (10) manufactures the lock groove (9) having annular, and described lock groove (9) creates the groove of arcwall face; Manufacture in the end that the connector (3) of cleat stanchion (2) body is held and have Inner taper hole (12), Inner taper hole (12) creates the hole of tapering, manufacture below Inner taper hole (12) and have clearance groove (4), between the surface of connector (3) and Inner taper hole (12), manufacture lockhole (5);
Banking pin (6) creates tapered end, middle part and handle three part, three parts create one, banking pin (6) is arranged in lockhole (5) through after locking spring (8), tapered end 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 handle portion crosses out the damaged surface of cleat stanchion (2); The leading section of described tapered end creates arcwall face;
Described pin is stepped on (13) and is created square or flat cylinder, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of cylinder cover on the surface of cylinder;
Described clearance 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 cleat stanchion (2), be convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);
The protrusion that described lockhole (5) is manufactured on middle part, chassis (1) is justified upper and is manufactured in one end of connector (3) of cleat stanchion (2) body, communicate with Inner taper hole (12), corresponding with the position of the breaker slot on male cone (strobilus masculinus) (10); Fixed disk (7), banking pin (6) and locking spring (8) are installed in lockhole (5);
Described pin is stepped on (13) and is created square or flat cylinder, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of cylinder cover on the surface of cylinder;
Locking spring (8) creates helical spring;
The conical surface creates inner conical surface (11) and male cone (strobilus masculinus) (10), inner conical surface (11) and male cone (strobilus masculinus) (10) create the taper surface of point, the cross section of the conical surface creates the polygonal conical surface, or creates the conical surface of circle or circular arc;
The consistent tapering that the tapering that tapering and the male cone (strobilus masculinus) (10) of described Inner taper hole (12) coordinate creates;
Lockhole (5) is manufactured between connector (3) surface of described cleat stanchion (2) body and Inner taper hole (12) and between the protrusion circular surfaces of chassis (1) and Inner taper hole (12), fixed disk (7) is installed in lockhole (5), locking spring (8) and banking pin (6), the middle part of banking pin (6) is fixed with fixed disk (7), the handle portion of banking pin (6) is from the surface of the protrusion circle stretched out after the central part of locking spring (8) passes the surface of connector (3) or chassis (1), tapered end stretches out from the inner conical surface (11) of Inner taper hole (12), one end of locking spring (8) is pressed on the fixed disk (7) of banking pin (6), the other end withstands on lockhole (5), lock groove (9) on described male cone (strobilus masculinus) (10) coordinates with the tapered end of banking pin (6), described chassis (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 cleat stanchion (2) body and fixes, and the male cone (strobilus masculinus) (10) of cleat stanchion (2) body coordinates with the inner conical surface (11) of the Inner taper hole (12) of cleat stanchion (2) body and fixes, the pin being fixed with the folding that can draw in one end of the connector (3) of cleat stanchion (2) body in the damaged surface of cleat stanchion (2) body is stepped on (13), is stained with skid-proof rubber in the bottom of chassis (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 banking pin (6) by the breaker slot on male cone (strobilus masculinus) (10) after coordinating with male cone (strobilus masculinus) (10) and fixing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832426.3A CN104514484B (en) | 2014-12-29 | 2014-12-29 | Serially connected upright fire-fighting rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410832426.3A CN104514484B (en) | 2014-12-29 | 2014-12-29 | Serially connected upright fire-fighting rack |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104514484A true CN104514484A (en) | 2015-04-15 |
| CN104514484B CN104514484B (en) | 2017-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410832426.3A Expired - Fee Related CN104514484B (en) | 2014-12-29 | 2014-12-29 | Serially connected upright fire-fighting rack |
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| Country | Link |
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| CN (1) | CN104514484B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104563842A (en) * | 2014-12-30 | 2015-04-29 | 重庆市喜植机械设备有限公司 | Upright series-connection fire ladder |
| CN104653090A (en) * | 2015-01-20 | 2015-05-27 | 徐刚 | Tandem type upright ladder for maintaining high-voltage lines |
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| JP2013192402A (en) * | 2012-03-14 | 2013-09-26 | Chugoku Electric Power Co Inc:The | Electric pole ascending/descending device |
| FR2990986A1 (en) * | 2012-05-24 | 2013-11-29 | Participations G | Roof scale for roofer, has uprights whose male ends are provided with lock openings, where lock openings of male ends are aligned with locking openings of female ends, and holding part aligned in state by locking element |
| CN203559765U (en) * | 2013-10-18 | 2014-04-23 | 新乡职业技术学院 | Combined type ladder |
| CN203846981U (en) * | 2014-05-19 | 2014-09-24 | 朱岩 | Portable ladder convenient for disassembly and assembly |
| EP2792594A1 (en) * | 2013-04-16 | 2014-10-22 | Airbus Helicopters | Removable foot-step for an aircraft, and aircraft |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2013192402A (en) * | 2012-03-14 | 2013-09-26 | Chugoku Electric Power Co Inc:The | Electric pole ascending/descending device |
| FR2990986A1 (en) * | 2012-05-24 | 2013-11-29 | Participations G | Roof scale for roofer, has uprights whose male ends are provided with lock openings, where lock openings of male ends are aligned with locking openings of female ends, and holding part aligned in state by locking element |
| EP2792594A1 (en) * | 2013-04-16 | 2014-10-22 | Airbus Helicopters | Removable foot-step for an aircraft, and aircraft |
| CN203559765U (en) * | 2013-10-18 | 2014-04-23 | 新乡职业技术学院 | Combined type ladder |
| CN203846981U (en) * | 2014-05-19 | 2014-09-24 | 朱岩 | Portable ladder convenient for disassembly and assembly |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104563842A (en) * | 2014-12-30 | 2015-04-29 | 重庆市喜植机械设备有限公司 | Upright series-connection fire ladder |
| CN104653090A (en) * | 2015-01-20 | 2015-05-27 | 徐刚 | Tandem type upright ladder for maintaining high-voltage lines |
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| Publication number | Publication date |
|---|---|
| CN104514484B (en) | 2017-06-20 |
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