CN104727734A - Upright fire ladder - Google Patents

Upright fire ladder Download PDF

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Publication number
CN104727734A
CN104727734A CN201510025196.4A CN201510025196A CN104727734A CN 104727734 A CN104727734 A CN 104727734A CN 201510025196 A CN201510025196 A CN 201510025196A CN 104727734 A CN104727734 A CN 104727734A
Authority
CN
China
Prior art keywords
pillar
strobilus masculinus
male cone
right angle
conical surface
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510025196.4A
Other languages
Chinese (zh)
Other versions
CN104727734B (en
Inventor
徐園毓
其他发明人请求不公开姓名
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chongqing Minsong Technology Research And Development Center
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510025196.4A priority Critical patent/CN104727734B/en
Publication of CN104727734A publication Critical patent/CN104727734A/en
Application granted granted Critical
Publication of CN104727734B publication Critical patent/CN104727734B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • 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
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/02—Extending means
    • 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
    • E06C7/081—Rungs or other treads comprising anti-slip features
    • 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
    • E06C7/087—Connections between rungs or treads and longitudinal members with a connecting piece installed around the rung
    • 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
    • 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)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

The invention discloses an upright fire ladder. A support seat is matched with an outer conical surface of the lower end of a support post body to be fixed through an inner cone hole in the middle; the outer conical surface of the support post body is matched with an inner conical surface of the inner core hole to be fixed; the inner cone hole is matched with the outer conical surface to be fixed; the attached inner conical surface and outer conical surface are deadly locked automatically through coordination of a lock groove in the inner conical surface and a lock terminal of a right-angle body; foot steps are fixedly arranged on the post body surface of the support post body; and ant-skid adhesive is glued on the foot steps, and is glued on the bottom of the support seat. The upright fire ladder is simple in structure and very convenient to assemble and use; the ladder does not need a tool in assembling and dismantling processes when used; after a tandem upright fire ladder is adopted, the problem that fire fighters vertically climb is solved; the fire ladder is fast to assemble in a vertical climbing process, convenient, safe, reliable and convenient to climb, and convenient to dismantle, pack and transport after being used; and the production cost and the use cost are reduced.

Description

Upright fire ladder
Technical field
The present invention relates to a kind of upright fire ladder 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 upright fire ladder and manufacture method.
For achieving the above object, upright fire ladder of the present invention comprises bearing, Body of pillar, lock-bit hole, draws pin, thrust spring, right angle body, lock groove, male cone (strobilus masculinus), Inner taper hole, inner conical surface;
There is Inner taper hole at the middle part of described bearing, has air gap groove below Inner taper hole, and the inner conical surface of Inner taper hole has the lock groove of annular; There is male cone (strobilus masculinus) one end of Body of pillar, the other end has Inner taper hole, male cone (strobilus masculinus) in one end of pillar, Inner taper hole is in one end of connector, air gap groove is had in the inside of Inner taper hole, the inner conical surface of Inner taper hole has annular lock groove, 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 the cylinder of the pillar near male cone (strobilus masculinus) has the lock-bit hole of right angle turns shape.The damaged surface that the surface of male cone (strobilus masculinus) is worn out in the one end in described lock-bit hole, the other end wears out column, the center line in lock-bit hole and the central axis or parallel of column body; Right angle body, thrust spring are installed in lock-bit hole and draw pin, right angle body is fixed on the end of drawing pin, one end of thrust spring is pressed in the pressing portion of right angle body, the other end withstands on lock-bit hole, draw one end of the pin handle of pin vertically to stretch out from the damaged surface of column after the central part of thrust spring passes, the locking end of right angle body stretches out from male cone (strobilus masculinus).Body of pillar has one end of male cone (strobilus masculinus) to insert in the Inner taper hole at the middle part of bearing, or Body of pillar has one end of male cone (strobilus masculinus) to insert in the Inner taper hole in the connector of a Body of pillar below, and the lock groove on the inner conical surface of Inner taper hole coordinates with the locking end of right angle body.
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 the Body of pillar of above 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 inner conical surface by the locking end of right angle body 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, the many stable bearings forming multidirectional fork-shaped with a terminal pad of pitching are stained with skid-proof rubber below stable fork, terminal pad there is internal taper hole, there is air gap groove below Inner taper hole, the inner conical surface of Inner taper hole has the lock groove of annular.
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, and the inner conical surface of Inner taper hole has the lock groove of annular; There is male cone (strobilus masculinus) one end of described pillar, and between the surface and male cone (strobilus masculinus) of the cylinder near male cone (strobilus masculinus), have lock-bit hole, lock-bit hole deviation is to the surface of cylinder of wearing out near male cone (strobilus masculinus) and the surface of male cone (strobilus masculinus).
The described association of drawing pin and right angle body to be an entirety or to combine, the turnover at a right angle of the global shape after installing shape.
The described pin that draws comprises pin portion and pin handle two parts, and the end winding support in pin portion is in the pressing portion of right angle body, and pin handle through the damaged surface of vertically stretching out Body of pillar after thrust spring, draws pin to exit lock-bit groove for pulling right angle body in lock-bit hole.
The column of described right angle Ti Shi right angle cross break shape or blocks, comprise locking end and pressing portion, when installing in lock-bit hole, pressing portion is parallel to the center line of Body of pillar, and locking end stretches out the surface of male cone (strobilus masculinus) perpendicular to the center line of Body of pillar; Locking effect is produced with the lock-bit slot fit in Inner taper hole after described locking end stretches out the surface of male cone (strobilus masculinus); Described pressing portion passes to locking end for accepting the thrust of thrust spring; The leading section of described locking end is the one side at the bottom of the cone of acute angle bevel, the toward the outside conical surface is face directly, the inclined-plane of locking end retreats for allowing the oral area of the Inner taper hole of connector and inner conical surface oblique promotion right angle body, facing directly for coordinating locked male cone (strobilus masculinus) of working good and inner conical surface with the annular groove limit of facing directly of lock-bit groove of locking end.
Described pin is stepped on and is comprised bearing, connecting pin and riding boogie board, bearing is the pedestal be fixed on Body of pillar, connecting pin is the pin connecting bearing and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board.
Described air gap groove in the inside of Inner taper hole, for pillar male cone (strobilus masculinus) end insert Inner taper hole time not inconsistent with the bottom of Inner taper hole, be convenient to the close fit of inner conical surface and male cone (strobilus masculinus).
Described lock groove is the cannelure on the inner conical surface of the Inner taper hole on bearing and the Inner taper hole on Body of pillar, and cannelure is dovetail groove, corresponding with the position in lock-bit hole, and the one side near the oral area of Inner taper hole is locking face; Described locking face is used for coordinating with facing directly of the locking end of right angle body 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.
There is one end of male cone (strobilus masculinus) in described lock-bit hole at Body of pillar, it is the hole of right angle turns shape, the center line in hole and the central axis of Body of pillar or parallel, at male cone (strobilus masculinus) with in the cylinder of the pillar of male cone (strobilus masculinus), the surface of the cylinder near male cone (strobilus masculinus) is worn out perpendicular to the center line of Body of pillar in the one end in hole, the other end wears out male cone (strobilus masculinus) perpendicular to the center line of Body of pillar; The mid portion in lock-bit hole is used for that the aperture of the part of installed thrust spring and right angle body is large, the two ends in hole are little for the aperture of drawing the locking end of pin and right angle body and stretching out, and the aperture in the lock-bit hole on male cone (strobilus masculinus) is corresponding with the position of lock-bit groove; Lock-bit hole for installing right angle body, drawing pin and thrust spring, and allows and draws pin and right angle body can move in lock-bit hole.
Described lock-bit hole can also be independent cavity, is inlaid with the housing with the mating shapes in lock-bit hole in independent cavity, and housing exposes or do not expose the damaged surface of Body of pillar in lock-bit hole; When housing exposes the damaged surface of Body of pillar, the one end of exposing the damaged surface of Body of pillar connects with screw or rivets or be welded on the damaged surface of Body of pillar; When housing does not expose the damaged surface of Body 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, be provided with in housing and draw pin, thrust spring, right angle body, right angle body is arranged on the middle part of drawing pin, thrust spring is arranged between right angle body and housing, stretches out, the locking end of right angle body stretches out from the hole of the inner face of housing after drawing the pin handle of pin to pass from the centre of thrust spring from the hole of housing outer face.
Described thrust spring is helical spring, and the locking end for promoting right angle body coordinates with the lock groove on male cone (strobilus masculinus) 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 the locking end of right angle body by the lock groove on inner conical surface 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 the locking end of right angle body by the lock groove on inner conical surface 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 driving the locking end of right angle body to exit the lock groove on inner conical surface, 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, described lock-bit hole, pin, right angle body, thrust spring and lock groove is drawn to form the locked inner conical surface of working good of locking system and male cone (strobilus masculinus).
In order to reduce costs and alleviate the weight of ladder, described bearing and Body of pillar are hollow bodies; Described Body of pillar is individual layer or multilayer in the combination of ladder, and bearing is individual layer in the combination of ladder.
In order to reduce the consumption of ladder and be convenient to store and keeping, all building blocks of described ladder can be reused.
Conveniently pack and transport, the fixing employing pin that described pin steps down on Body of pillar is connected and fixed, and pin steps down in one end be merely able to connector on Body of pillar and draws in, is convenient to packaging; Described Body of pillar and bearing can be dismantled completely and become independent parts, are beneficial to packaging and transport.
Ladder is when assembling, bearing is put on the ground, one end of male cone (strobilus masculinus) is had by Body of pillar to insert in the Inner taper hole of bearing, under the effect of self gravitation, the male cone (strobilus masculinus) of pillar and the inner conical surface of bearing are naturally fitted and fix, and the gravity depressed from pillar is larger, it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted, insert in the process of Inner taper hole at the male cone (strobilus masculinus) of pillar, during the inner conical surface position that the locking end of right angle body enters into, the inclined-plane of the locking end of inner conical surface oblique promotion inner conical surface oblique promotion right angle body, make the pressing portion compression thrust spring and outside oblique yielding of right angle body, when the male cone (strobilus masculinus) of pillar contacts firm with the inner conical surface of the Inner taper hole of bearing, the locking end of right angle body just in time enters the position of lock groove after slipping over the inner conical surface above lock groove smoothly, the locking end of right angle body enters in lock groove under the powered of thrust spring, to coordinate with the inner conical surface of fitting with the locking face of trapezoidal lock-bit groove and male cone (strobilus masculinus) is locked can not retreat by facing directly of the locking end of right angle body, complete the fixing and locking of Body of pillar and bearing.Afterwards, one end of male cone (strobilus masculinus) is again had by Body of pillar to insert in the Inner taper hole of connector in Inner taper hole in connector on Body of pillar, under the effect of self gravitation, the male cone (strobilus masculinus) of pillar and the inner conical surface of connector are naturally fitted and fix, and the gravity depressed from pillar is larger, it is closely and more more firm that inner conical surface and male cone (strobilus masculinus) are fitted, insert in the process of Inner taper hole at the male cone (strobilus masculinus) of pillar, during the inner conical surface position that the locking end of right angle body enters into, the inclined-plane of the locking end of inner conical surface oblique promotion right angle body makes the pressing portion compression thrust spring of right angle body and outside oblique yielding, when the male cone (strobilus masculinus) of pillar contacts firm with the inner conical surface of the Inner taper hole of connector, the locking end of right angle body just in time enters the position of lock groove after slipping over the inner conical surface above lock groove smoothly, right angle body enters in lock groove under the powered of thrust spring, to coordinate with the inner conical surface of fitting with the locking face of trapezoidal lock-bit groove and male cone (strobilus masculinus) is locked can not retreat by facing directly of the locking end of right angle body, 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 locking end of the right angle body linked together with drawing pin exits the lock groove on inner conical surface, Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole in the connector of the Body of pillar of below, and the male cone (strobilus masculinus) of Body of pillar will separate automatically with the Inner taper hole of the connector of the Body of pillar of below.During the Body of pillar that dismounting bearing is fixed, pull the pin handle of pin, after the locking end of the right angle body linked together with drawing pin exits the lock groove on male cone (strobilus masculinus), Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole of bearing, and Body of pillar will separate automatically with bearing.
The assembly and disassembly of Body of pillar and bearing and connector are very convenient, just can complete without any need for instrument.
Fire fighter is when climbing fire ladder, the pin pin stepped down on Body of pillar steps on and climbs up, and can climb one section of assembling one section, takes with oneself needing the Body of pillar of height, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a Body of pillar in superincumbent Inner taper hole again.During descending stair, step down in pin and step on and down climb, next section tears a Body of pillar open, very convenient.
The manufacture method of described upright fire ladder, 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; Right angle body and the plastics manufacture of drawing pin to adopt metal material or high strength.
Described bearing creates the stable fork of stable center part and terminal pad two parts of core, and stable fork creates one with terminal pad, and the bearing forming multidirectional fork-shaped is pitched with stable in the centre that terminal pad is manufactured on stable fork; Described stable fork creates blocks or one side is below the cylinder faced directly, stablize the bearing pitched and form multidirectional fork-shaped with a terminal pad for many, skid-proof rubber is stained with below stable fork, terminal pad manufactures and has internal taper hole, internal taper hole creates the hole of tapering, manufacture below Inner taper hole and have air gap groove, the inner conical surface of Inner taper hole manufactures the lock groove having annular.
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, manufactures lock-bit hole at male cone (strobilus masculinus) and between the surface of the cylinder of male cone (strobilus masculinus); 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, and the inner conical surface of Inner taper hole manufactures the lock groove having annular.
Pin and right angle system is drawn to cause as a whole or combine formation association after manufacturing respectively, the turnover at a right angle of the global shape after installing shape.
The described pin that draws creates pin portion and pin handle two parts, and the end winding support in pin portion is in the pressing portion of right angle body, and pin handle vertically stretches out the damaged surface of Body of pillar pass thrust spring in lock-bit hole after.
Described right angle system causes column or the blocks of right angle cross break shape, and manufacture and have locking end and pressing portion, when installing in lock-bit hole, pressing portion is parallel to the center line of Body of pillar, and locking end stretches out the surface of male cone (strobilus masculinus) perpendicular to the center line of Body of pillar.
Described lock-bit hole is manufactured on one end that Body of pillar has male cone (strobilus masculinus), create the hole of right angle turns shape, the center line in hole and the central axis of Body of pillar or parallel, be manufactured on male cone (strobilus masculinus) with in the cylinder of the pillar of male cone (strobilus masculinus), the surface of the cylinder near male cone (strobilus masculinus) is worn out perpendicular to the center line of Body of pillar in the one end in hole, the other end wears out male cone (strobilus masculinus) perpendicular to the center line of Body of pillar; The aperture that the middle aperture being used for the part manufacture of installed thrust spring and right angle body is large, the two ends in hole manufacture for the part of drawing the locking end of pin and right angle body and stretching out is little, and the aperture of wearing out the lock-bit hole of male cone (strobilus masculinus) is corresponding with the position of lock-bit groove.
Described lock-bit hole can also create cavity separately, the housing with the mating shapes in lock-bit hole is inlaid with in the cavity manufactured separately, expose one end of the damaged surface of Body of pillar or connect or rivet or be welded on the damaged surface of Body of pillar towards one end of the damaged surface of Body of pillar with screw, or connect with screw or rivet or be welded on the oblique lock-bit hole in Body of pillar; The inside and outside two ends of described housing manufacture porose, be provided with in housing and draw pin, thrust spring, right angle body, right angle body is arranged on the middle part of drawing pin, thrust spring is arranged between right angle body and housing, stretches out, the locking end of right angle body stretches out from the hole of the inner face of housing after drawing the pin handle of pin to pass from the centre of thrust spring from the hole of housing outer face.
Described lock groove is manufactured on the inner conical surface of the Inner taper hole on bearing and the Inner taper hole on Body of pillar, creates the dovetail groove of annular, and the one side near the oral area of Inner taper hole creates locking face, corresponding with the position of locking hole.
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 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 a Body of pillar below and fixes; Described Inner taper hole is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post with the locking end of right angle body by the lock groove on inner conical surface 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, bearing stable fork below fixing skid-proof rubber, between the damaged surface and male cone (strobilus masculinus) of male cone (strobilus masculinus), manufacturing lock-bit hole.Right angle body, thrust spring are installed in lock-bit hole and draw pin, the pressing portion of right angle body is fixed on the end of drawing pin, one end of thrust spring is pressed in the pressing portion of right angle body, the other end withstands on lock-bit hole, vertically stretch out from the damaged surface of column after drawing the pin handle end of pin to pass from the center of thrust spring, the locking end of right angle body stretches out from the surface of male cone (strobilus masculinus) perpendicular to the center line of column body.Lock groove on described inner conical surface coordinates with the locking end of right angle body and produces locking effect.
The structure of the upright fire ladder of the present invention is simple, manufactures, assembles and uses very convenient, do not need instrument in ladder assembly and disassembly process in use; After adopting the upright fire ladder of series winding, solve the difficult problem that fire fighter uprightly climbs to a higher point, assemble fire ladder when uprightly climbing to a higher point quick, convenient, safe and reliable, and climbing is convenient; After using, dismounting, packaging and convenient transportation, reduce cost of production and use cost.
Accompanying drawing explanation
Fig. 1 is the package assembly schematic diagram of upright fire ladder;
Fig. 2 is the structural representation of Body of pillar;
Fig. 3 is the sectional structure schematic diagram of bearing;
Fig. 4 is the schematic appearance of the top view of bearing.
Shown in figure: bearing 1, pillar 2, connector 3, air gap groove 4, lock-bit hole 5, draw pin 6, right angle body 7, thrust spring 8, lock groove 9, male cone (strobilus masculinus) 10, inner conical surface 11, Inner taper hole 12, pin to step on 13.
Detailed description of the invention
The upright fire ladder of the present invention mainly comprises bearing 1, Body of pillar, lock-bit hole 5, draws pin 6, thrust spring 8, right angle body 7, lock groove 9, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11;
The middle part of described bearing 1 has below Inner taper hole 12, Inner taper hole 12 and has air gap groove 4, and the inner conical surface 11 of Inner taper hole 12 has the lock groove 9 of annular; There is male cone (strobilus masculinus) 10 one end of Body of pillar, the other end has Inner taper hole 12, male cone (strobilus masculinus) 10 in one end of pillar 2, Inner taper hole 12 is in one end of connector 3, air gap groove 4 is had in the inside of Inner taper hole 12, the inner conical surface 11 of Inner taper hole 12 there is annular lock groove 9, 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, and the cylinder of the pillar 2 near male cone (strobilus masculinus) 10 has the lock-bit hole 5 of right angle turns shape.The damaged surface that the surface of male cone (strobilus masculinus) 10 is worn out in the one end in described lock-bit hole 5, the other end wears out column, the center line in lock-bit hole 5 and the central axis or parallel of column body; Right angle body 7, thrust spring 8 are installed in lock-bit hole 5 and draw pin 6, right angle body 7 is fixed on the end of drawing pin 6, one end of thrust spring 8 is pressed in the pressing portion of right angle body 7, the other end withstands on lock-bit hole 5, draw one end of the pin handle of pin 6 vertically to stretch out from the damaged surface of column after the central part of thrust spring 8 passes, the locking end of right angle body 7 stretches out from male cone (strobilus masculinus) 10.Body of pillar has one end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 at the middle part of bearing 1, or, Body of pillar has one end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the connector 3 of a Body of pillar below, and the lock groove 9 on the inner conical surface 11 of Inner taper hole 12 coordinates with the locking end of right angle body 7.
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 the Body of pillar of above 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 inner conical surface 11 by the locking end of right angle body 7 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, the many stable bearings 1 forming multidirectional fork-shaped with a terminal pad of pitching are stained with skid-proof rubber below stable fork, terminal pad there is internal taper hole, there is air gap groove 4 below Inner taper hole 12, the inner conical surface 11 of Inner taper hole 12 has the lock groove 9 of annular.
Described Body of pillar is the cylinder that there is male cone (strobilus masculinus) 10 one end, the other end has Inner taper hole 12, comprises connector 3 and pillar 2 two parts; Described Body of pillar to be connector 3 with pillar 2 the be fixed together entirety formed or the entirety be inherently connected; Pillar 2 does not have one end of male cone (strobilus masculinus) 10 and connector 3 not to have one end of Inner taper hole 12 to be connected or is fixed together to form entirety.The end face of one end of described connector 3 has the inside of Inner taper hole 12, Inner taper hole 12 to have air gap groove 4, and the inner conical surface 11 of Inner taper hole 12 has the lock groove 9 of annular; There is male cone (strobilus masculinus) 10 one end of described pillar 2, between the surface and male cone (strobilus masculinus) 10 of the cylinder near male cone (strobilus masculinus) 10, have lock-bit hole 5, the oblique surface of cylinder and the surface of male cone (strobilus masculinus) 10 of wearing out close male cone (strobilus masculinus) 10, lock-bit hole 5.
The described association of drawing pin 6 and right angle body 7 to be an entirety or to combine, the turnover at a right angle of the global shape after installing shape.
The described pin 6 that draws comprises pin portion and pin handle two parts, and the end winding support in pin portion is in the pressing portion of right angle body 7, and pin handle through the damaged surface of vertically stretching out Body of pillar after thrust spring 8, draws pin 6 to exit lock-bit groove for pulling right angle body 7 in lock-bit hole 5.
Described right angle body 7 is column or the blocks of right angle cross break shape, comprises locking end and pressing portion, and when installing in lock-bit hole 5, pressing portion is parallel to the center line of Body of pillar, and locking end stretches out the surface of male cone (strobilus masculinus) 10 perpendicular to the center line of Body of pillar; Locking effect is produced with the lock-bit slot fit in Inner taper hole 12 after described locking end stretches out the surface of male cone (strobilus masculinus) 10; Described pressing portion passes to locking end for accepting the thrust of thrust spring 8; The leading section of described locking end is the one side at the bottom of cone of acute angle bevel, the toward the outside conical surface 10 is face directly, the inclined-plane of locking end retreats for allowing the oral area of the Inner taper hole 12 of connector 3 and inner conical surface 11 oblique promotion right angle body 7, facing directly for coordinating locked male cone (strobilus masculinus) 10 of working good and inner conical surface 11 with the annular groove limit of facing directly of lock-bit groove of locking end.
Described pin is stepped on 13 and is comprised bearing 1, connecting pin and riding boogie board, bearing 1 is the pedestal be fixed on Body of pillar, connecting pin is the pin connecting bearing 1 and riding boogie board, riding boogie board be step on for pin 13 square or flat cylinder or blocks, be stained with on the surface of riding boogie board skid-proof rubber or the surface of riding boogie board cover have antiskid glue sleeve.
Described air gap groove 4 is in the inside of Inner taper hole 12, not inconsistent with the bottom of Inner taper hole 12 when Inner taper hole 12 is inserted in male cone (strobilus masculinus) 10 end for pillar 2, is convenient to the close fit of inner conical surface 11 and male cone (strobilus masculinus) 10.
Described lock groove 9 is the cannelures on the inner conical surface 11 of the Inner taper hole 12 on bearing 1 and the Inner taper hole 12 on Body of pillar, and cannelure is dovetail groove, corresponding with the position in lock-bit hole 5, and the one side near the oral area of Inner taper hole 12 is locking face; Described locking face is used for coordinating with facing directly of the locking end of right angle body 7 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.
There is one end of male cone (strobilus masculinus) 10 in described lock-bit hole 5 at Body of pillar, it is the hole of right angle turns shape, the center line in hole and the central axis of Body of pillar or parallel, at male cone (strobilus masculinus) 10 with in the cylinder of the pillar 2 of male cone (strobilus masculinus) 10, the surface of the cylinder near male cone (strobilus masculinus) 10 is worn out perpendicular to the center line of Body of pillar in the one end in hole, the other end wears out male cone (strobilus masculinus) 10 perpendicular to the center line of Body of pillar; The mid portion in lock-bit hole 5 is used for that the aperture of the part of installed thrust spring 8 and right angle body 7 is large, the two ends in hole are little for the aperture of drawing the locking end of pin 6 and right angle body 7 and stretching out, and the aperture in the lock-bit hole 5 on male cone (strobilus masculinus) 10 is corresponding with the position of lock-bit groove; Lock-bit hole 5 for installing right angle body 7, drawing pin 6 and thrust spring 8, and allows and draws pin 6 and right angle body 7 can move in lock-bit hole 5.
Described lock-bit hole 5 can also be independent cavity, is inlaid with the housing with the mating shapes in lock-bit hole 5 in independent cavity, and housing exposes or do not expose the damaged surface of Body of pillar in lock-bit hole 5; When housing exposes the damaged surface of Body of pillar, the one end of exposing the damaged surface of Body of pillar connects with screw or rivets or be welded on the damaged surface of Body of pillar; When housing does not expose the damaged surface of Body of pillar, 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, be provided with in housing and draw pin 6, thrust spring 8, right angle body 7, right angle body 7 is arranged on the middle part of drawing pin 6, thrust spring 8 is arranged between right angle body 7 and housing, stretches out, the locking end of right angle body 7 stretches out from the hole of the inner face of housing after drawing the pin handle of pin 6 to pass from the centre of thrust spring 8 from the hole of housing outer face.
Described thrust spring 8 is helical springs, completes automatic locking for promoting the locking end of right angle body 7 to coordinate with the lock groove 9 on male cone (strobilus masculinus) 10.
The inner conical surface 11 of described Inner taper hole 12 is for coordinating and mounting column body with male cone (strobilus masculinus) 10, realize bearing 1 to fix with Body of pillar and the quick of Body of pillar with Body of pillar is fixing fast, be beneficial to the quick assembling of Body of pillar and quick demolition, play Fast Installation and effect fixing fast; And then make Body of pillar and connector 3 and Body of pillar and bearing 1 fixation respectively.
The weight that described bearing 1 bears for steady brace body and supporting strut body and Body of pillar; The skid-proof rubber of described bearing 1 bottom surface plays the effect preventing bearing 1 slippage, and the pin skid-proof rubber stepped on 13 plays and prevents from pin from stepping on 13 getting on anti-skidding effect.
In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described Body of pillar and the connection between bearing 1 and Body of pillar and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) 10 of Body of pillar, in the Inner taper hole 12 of bearing 1, is coordinated with the locking end of right angle body 7 by the lock groove 9 on inner conical surface 11 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 the locking end of right angle body 7 by the lock groove 9 on inner conical surface 11 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 driving the locking end of right angle body 7 to exit the lock groove 9 on inner conical surface 11, 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, right angle body 7, thrust spring 8 and lock groove 9 is drawn to form the locked inner conical surface 11 of working good of locking system and male cone (strobilus masculinus) 10.
In order to reduce costs and alleviate the weight of ladder, described bearing 1 and Body of pillar are hollow bodies; Described Body of pillar is individual layer or multilayer in the combination of ladder, and bearing 1 is individual layer in the combination of ladder;
In order to reduce the consumption of ladder and be convenient to store and keeping, all building blocks of described ladder can be reused;
Conveniently pack and transport, described pin is stepped on 13 fixing employing pin on Body of pillar and is connected and fixed, and pin is stepped on 13 one end be merely able on Body of pillar to connector 3 and drawn in, is convenient to packaging; Described Body of pillar and bearing 1 can be dismantled completely and become independent parts, are beneficial to packaging and transport.
Ladder is when assembling, bearing 1 is put on the ground, one end of male cone (strobilus masculinus) 10 is had by Body of pillar to insert in the Inner taper hole 12 of bearing 1, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of pillar 2 is naturally fitted with the inner conical surface 11 of bearing 1 and fixes, and the gravity depressed from pillar 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted, insert in the process of Inner taper hole 12 at the male cone (strobilus masculinus) 10 of pillar 2, during inner conical surface 11 position that the locking end of right angle body 7 enters into, the inclined-plane of the locking end of inner conical surface 11 oblique promotion inner conical surface 11 oblique promotion right angle body 7, make the pressing portion compression thrust spring 8 of right angle body 7 and outside oblique yielding, 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, the locking end of right angle body 7 just in time enters the position of lock groove 9 after slipping over the inner conical surface 11 above lock groove 9 smoothly, the locking end of right angle body 7 enters in lock groove 9 under the powered of thrust spring 8, to coordinate with the inner conical surface 11 of fitting with the locking face of trapezoidal lock-bit groove and male cone (strobilus masculinus) 10 is locked can not retreat by facing directly of the locking end of right angle body 7, complete the fixing and locking of Body of pillar and bearing 1.Afterwards, one end of male cone (strobilus masculinus) 10 is again had by Body of pillar to insert in the Inner taper hole 12 of connector 3 in Inner taper hole 12 in connector 3 on Body of pillar, under the effect of self gravitation, the male cone (strobilus masculinus) 10 of pillar 2 is naturally fitted with the inner conical surface 11 of connector 3 and fixes, and the gravity depressed from pillar 2 is larger, it is closely and more more firm that inner conical surface 11 and male cone (strobilus masculinus) 10 are fitted, insert in the process of Inner taper hole 12 at the male cone (strobilus masculinus) 10 of pillar 2, during inner conical surface 11 position that the locking end of right angle body 7 enters into, the inclined-plane of the locking end of inner conical surface 11 oblique promotion right angle body 7 makes the pressing portion compression thrust spring 8 of right angle body 7 and outside oblique yielding, 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, the locking end of right angle body 7 just in time enters the position of lock groove 9 after slipping over the inner conical surface 11 above lock groove 9 smoothly, right angle body 7 enters in lock groove 9 under the powered of thrust spring 8, to coordinate with the inner conical surface 11 of fitting with the locking face of trapezoidal lock-bit groove and male cone (strobilus masculinus) 10 is locked can not retreat by facing directly of the locking end of right angle body 7, 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, exit the lock groove 9 on inner conical surface 11 with the locking end of the right angle body 7 drawing pin 6 to link together after, 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 the Body of pillar of below, and the male cone (strobilus masculinus) 10 of Body of pillar will separate automatically with the Inner taper hole 12 of the connector 3 of the Body of pillar of below.During the Body of pillar that dismounting bearing 1 is fixed, pull the pin handle of pin 6, exit the lock groove 9 on male cone (strobilus masculinus) 10 with the locking end of the right angle body 7 drawing pin 6 to link together after, Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 of bearing 1, and Body of pillar will separate automatically with bearing 1.
The assembly and disassembly of Body of pillar and bearing 1 and connector 3 are very convenient, just can complete without any need for instrument.
Fire fighter is when climbing fire ladder, pin is stepped on 13 pin on Body of pillar and is stepped on 13 and climb up, and can climbing one section of assembling one section, taking with oneself needing the Body of pillar of height, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a Body of pillar in superincumbent Inner taper hole 12 again.During descending stair, step down in pin and step on 13 and down climb, next section tears a Body of pillar open, very convenient.

Claims (6)

1. a upright fire ladder, is characterized in that: described upright fire ladder comprise bearing (1), Body of pillar, lock-bit hole (5), draw pin (6), thrust spring (8), right angle body (7), lock groove (9), male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11);
There is Inner taper hole (12) at the middle part of described bearing (1), has air gap groove (4) below Inner taper hole (12), and the inner conical surface (11) of Inner taper hole (12) has the lock groove (9) of annular; There is male cone (strobilus masculinus) (10) one end of Body of pillar, the other end has Inner taper hole (12), male cone (strobilus masculinus) (10) in one end of pillar (2), Inner taper hole (12) is in one end of connector (3), air gap groove (4) is had in the inside of Inner taper hole (12), the inner conical surface (11) of Inner taper hole (12) there is annular lock groove (9), 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), and the cylinder of the pillar (2) near male cone (strobilus masculinus) (10) has the lock-bit hole (5) of right angle turns shape; The damaged surface that the surface of male cone (strobilus masculinus) (10) is worn out in the one end in described lock-bit hole (5), the other end wears out column, the center line of lock-bit hole (5) and the central axis or parallel of column body; Right angle body (7), thrust spring (8) are installed in lock-bit hole (5) and draw pin (6), right angle body (7) is fixed on the end of drawing pin (6), one end of thrust spring (8) is pressed in the pressing portion of right angle body (7), the other end withstands on lock-bit hole (5), draw one end of the pin handle of pin (6) vertically to stretch out from the damaged surface of column after the central part of thrust spring (8) passes, the locking end of right angle body (7) stretches out from male cone (strobilus masculinus) (10); Body of pillar has one end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) at the middle part of bearing (1), or, Body of pillar has one end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) in the connector (3) of a Body of pillar below, and the lock groove (9) on the inner conical surface (11) of Inner taper hole (12) coordinates with the locking end of right angle body (7);
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 the Body of pillar of above 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 inner conical surface (11) by the locking end of right angle body (7) 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, the many stable bearings (1) forming multidirectional fork-shaped with a terminal pad of pitching are stained with skid-proof rubber below stable fork, terminal pad there is internal taper hole, there is air gap groove (4) below Inner taper hole (12), the inner conical surface (11) of Inner taper hole (12) has the lock groove (9) of annular;
Described Body of pillar is the cylinder that there is male cone (strobilus masculinus) (10) one end, the other end has Inner taper hole (12), comprises connector (3) and pillar (2) two parts; Described Body of pillar to be connector (3) with pillar (2) the be fixed together entirety formed or the entirety be inherently connected; Pillar (2) does not have one end of male cone (strobilus masculinus) (10) and connector (3) not to have one end of Inner taper hole (12) to be connected or be fixed together to form entirety; The end face of one end of described connector (3) has Inner taper hole (12), and there is air gap groove (4) the inside of Inner taper hole (12), and the inner conical surface (11) of Inner taper hole (12) has the lock groove (9) of annular; There is male cone (strobilus masculinus) (10) one end of described pillar (2), lock-bit hole (5) is had, lock-bit hole (5) the oblique surface of cylinder and surface of male cone (strobilus masculinus) (10) of wearing out close male cone (strobilus masculinus) (10) between the surface and male cone (strobilus masculinus) (10) of the cylinder near male cone (strobilus masculinus) (10);
The described association of drawing pin (6) and right angle body (7) to be an entirety or to combine, the turnover at a right angle of the global shape after installing shape;
The described pin (6) that draws comprises pin portion and pin handle two parts, the end winding support in pin portion is in the pressing portion of right angle body (7), pin handle vertically stretches out the damaged surface of Body of pillar afterwards in lock-bit hole (5) through thrust spring (8), draw pin (6) to exit lock-bit groove for pulling right angle body (7);
Described right angle body (7) is column or the blocks of right angle cross break shape, comprise locking end and pressing portion, when installing in lock-bit hole (5), pressing portion is parallel to the center line of Body of pillar, and locking end stretches out the surface of male cone (strobilus masculinus) (10) perpendicular to the center line of Body of pillar; Locking effect is produced with the lock-bit slot fit in Inner taper hole (12) after described locking end stretches out the surface of male cone (strobilus masculinus) (10); Described pressing portion passes to locking end for accepting the thrust of thrust spring (8); The leading section of described locking end is the one side at the bottom of the cone of acute angle bevel, the toward the outside conical surface (10) is face directly, the inclined-plane of locking end is used for allowing the oral area of the Inner taper hole (12) of connector (3) and inner conical surface (11) oblique promotion right angle body (7) retreat, locking end face directly for coordinating locked male cone (strobilus masculinus) (10) of working good and inner conical surface (11) with the annular groove limit of facing directly of lock-bit groove;
Described pin is stepped on (13) and is comprised bearing (1), connecting pin and riding boogie board, bearing (1) is the pedestal be fixed on Body of pillar, connecting pin is the pin connecting bearing (1) and riding boogie board, riding boogie board is square or flat cylinder or the blocks of stepping on (13) for pin, is stained with skid-proof rubber or has antiskid glue sleeve at the surface of riding boogie board cover on the surface of riding boogie board;
Described air gap groove (4) is in the inside of Inner taper hole (12), not inconsistent with the bottom of Inner taper hole (12) when Inner taper hole (12) are inserted in male cone (strobilus masculinus) (10) end for pillar (2), is convenient to the close fit of inner conical surface (11) and male cone (strobilus masculinus) (10);
Described lock groove (9) is the cannelure on the inner conical surface (11) of the Inner taper hole (12) on bearing (1) and the Inner taper hole (12) on Body of pillar, cannelure is dovetail groove, corresponding with the position of lock-bit hole (5), the one side near the oral area of Inner taper hole (12) is locking face; Described locking face is used for coordinating with facing directly of the locking end of right angle body (7) 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;
There is one end of male cone (strobilus masculinus) (10) in described lock-bit hole (5) at Body of pillar, it is the hole of right angle turns shape, the center line in hole and the central axis of Body of pillar or parallel, at male cone (strobilus masculinus) (10) with in the cylinder of the pillar (2) of male cone (strobilus masculinus) (10), the surface of the cylinder near male cone (strobilus masculinus) (10) is worn out perpendicular to the center line of Body of pillar in the one end in hole, the other end wears out male cone (strobilus masculinus) (10) perpendicular to the center line of Body of pillar; The mid portion in lock-bit hole (5) be used for the aperture of the part of installed thrust spring (8) and right angle body (7) greatly, aperture that the two ends in hole are used for drawing the locking end of pin (6) and right angle body (7) to stretch out is little, the aperture in the lock-bit hole (5) on male cone (strobilus masculinus) (10) is corresponding with the position of lock-bit groove; Lock-bit hole (5) for installing right angle body (7), drawing pin (6) and thrust spring (8), and allows and draws pin (6) and right angle body (7) can move in lock-bit hole (5);
Described lock-bit hole (5) can also be independent cavity, is inlaid with the housing with the mating shapes of lock-bit hole (5) in independent cavity, and housing exposes or do not expose the damaged surface of Body of pillar in lock-bit hole (5); When housing exposes the damaged surface of Body of pillar, the one end of exposing the damaged surface of Body of pillar connects with screw or rivets or be welded on the damaged surface of Body of pillar; When housing does not expose the damaged surface of Body of pillar, 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, be provided with in housing and draw pin (6), thrust spring (8), right angle body (7), right angle body (7) is arranged on the middle part of drawing pin (6), thrust spring (8) is arranged between right angle body (7) and housing, stretches out, the locking end of right angle body (7) stretches out from the hole of the inner face of housing after drawing the pin handle of pin (6) to pass from the centre of thrust spring (8) from the hole of housing outer face;
Described thrust spring (8) is helical spring, completes automatic locking for promoting the locking end of right angle body (7) to coordinate with the lock groove (9) on male cone (strobilus masculinus) (10);
The inner conical surface (11) of described Inner taper hole (12) is for coordinating and mounting column body with male cone (strobilus masculinus) (10), realize bearing (1) to fix with Body of pillar and the quick of Body of pillar with Body of pillar is fixing fast, be beneficial to the quick assembling of Body of pillar and quick demolition, play Fast Installation and effect fixing fast; And then make Body of pillar and connector (3) and Body of pillar and bearing (1) fixation respectively;
The weight that described bearing (1) bears for steady brace body and supporting strut body and Body of pillar; The skid-proof rubber of described bearing (1) bottom surface plays the effect preventing bearing (1) slippage, and the skid-proof rubber on pin is stepped on (13) plays and prevents from pin from stepping on (13) getting on anti-skidding effect;
In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described Body of pillar and the connection between bearing (1) and Body of pillar and fix and all adopt cone match, being beneficial to quick assembling and quick demolition; The male cone (strobilus masculinus) (10) of Body of pillar, in the Inner taper hole (12) of bearing (1), is coordinated with the locking end of right angle body (7) by the lock groove (9) on inner conical surface (11) 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 the locking end of right angle body (7) by the lock groove (9) on inner conical surface (11) 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 driving the locking end at right angle body (7) to exit the lock groove (9) on inner conical surface (11), Body of pillar upwards one is lifted and automatically will be separated with Inner taper hole (12);
The conical surface comprises inner conical surface (11) and male cone (strobilus masculinus) (10), and the cross section of the conical surface is the circular conical surface, or the polygonal conical surface, or the conical surface of circular arc, or the special-shaped conical surface that circular arc and line segment form; The described conical surface is the face of the square taper of nose part, or goes conical of nose part;
Ladder is when assembling, bearing (1) is put on the ground, one end of male cone (strobilus masculinus) (10) is had by Body of pillar to insert in the Inner taper hole (12) of bearing (1), under the effect of self gravitation, the male cone (strobilus masculinus) (10) of pillar (2) and the inner conical surface (11) of bearing (1) are naturally fitted and fix, and larger from the gravity of pillar (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, male cone (strobilus masculinus) (10) in pillar (2) inserts in the process of Inner taper hole (12), during inner conical surface (11) position that the locking end of right angle body (7) enters into, the inclined-plane of the locking end of inner conical surface (11) oblique promotion inner conical surface (11) oblique promotion right angle body (7), make pressing portion compression thrust spring (8) and outside oblique yielding of right angle body (7), 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), the locking end of right angle body (7) just in time enters the position of lock groove (9) after slipping over the inner conical surface (11) above lock groove (9) smoothly, the locking end of right angle body (7) enters in lock groove (9) under the powered of thrust spring (8), to coordinate with the inner conical surface of fitting (11) with the locking face of trapezoidal lock-bit groove and male cone (strobilus masculinus) (10) is locked can not retreat by facing directly of the locking end of right angle body (7), complete the fixing and locking of Body of pillar and bearing (1), afterwards, one end of male cone (strobilus masculinus) (10) is again had by Body of pillar to insert in the Inner taper hole (12) of connector (3) in Inner taper hole (12) in connector (3) on Body of pillar, under the effect of self gravitation, the male cone (strobilus masculinus) (10) of pillar (2) and the inner conical surface (11) of connector (3) are naturally fitted and fix, and larger from the gravity of pillar (2) pressure, it is closely and more more firm that inner conical surface (11) and male cone (strobilus masculinus) (10) are fitted, male cone (strobilus masculinus) (10) in pillar (2) inserts in the process of Inner taper hole (12), during inner conical surface (11) position that the locking end of right angle body (7) enters into, the inclined-plane of the locking end at inner conical surface (11) oblique promotion right angle body (7) makes pressing portion compression thrust spring (8) of right angle body (7) and outside oblique yielding, 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), the locking end of right angle body (7) just in time enters the position of lock groove (9) after slipping over the inner conical surface (11) above lock groove (9) smoothly, right angle body (7) enters in lock groove (9) under the powered of thrust spring (8), to coordinate with the inner conical surface of fitting (11) with the locking face of trapezoidal lock-bit groove and male cone (strobilus masculinus) (10) is locked can not retreat by facing directly of the locking end of right angle body (7), 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), exit the lock groove (9) on inner conical surface (11) with the locking end of the right angle body (7) drawing pin (6) to link together after, Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) in the connector of the Body of pillar of below (3), and the male cone (strobilus masculinus) (10) of Body of pillar will separate automatically with the Inner taper hole (12) of the connector of the Body of pillar of below (3); When dismantling Body of pillar fixing on bearing (1), pull the pin handle of pin (6), exit the lock groove (9) on male cone (strobilus masculinus) (10) with the locking end of the right angle body (7) drawing pin (6) to link together after, Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole (12) of bearing (1), and Body of pillar will separate automatically with bearing (1);
The assembly and disassembly of Body of pillar and bearing (1) and connector (3) are very convenient, just can complete without any need for instrument;
Fire fighter is when climbing fire ladder, pin is stepped on (13), and the pin on Body of pillar steps on (13) climbs up, one section of assembling one section can be climbed, take with oneself needing the Body of pillar of height, when climbing to the top of ladder in the process of cat ladder, climb up again after inserting a Body of pillar again in superincumbent Inner taper hole (12); During descending stair, step down in pin and step on (13) and down climb, next section tears a Body of pillar open, very convenient.
2. according to the 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, described lock-bit hole (5), draw pin (6), right angle body (7), thrust spring (8) and lock groove (9) to form the locked inner conical surface (11) of working good of locking system and male cone (strobilus masculinus) (10).
3., according to the upright fire ladder of 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. according to the 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 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. a using method for upright fire ladder, is characterized in that: the structure of described upright fire ladder 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. a manufacture method for upright fire ladder, is characterized in that: during fabrication, and bearing (1) 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; Right angle body (7) and draw pin (6) to adopt the plastics manufacture of metal material or high strength;
Described bearing (1) creates the stable fork of stable center part and terminal pad two parts of core, and stable fork creates one with terminal pad, and the bearing (1) forming multidirectional fork-shaped is pitched with stable in the centre that terminal pad is manufactured on stable fork; Described stable fork creates blocks or 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 manufactures and has internal taper hole, internal taper hole creates the hole of tapering, manufacture below Inner taper hole (12) and have air gap groove (4), the inner conical surface (11) in Inner taper hole (12) is upper manufactures the lock groove (9) having annular;
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), there is male cone (strobilus masculinus) (10) in pillar (2) the end manufacture of Body of pillar, manufacture lock-bit hole (5) at male cone (strobilus masculinus) (10) and between the surface of the cylinder of male cone (strobilus masculinus) (10); Manufacture in the end that the connector (3) of Body of pillar is held and have Inner taper hole (12), Inner taper hole (12) creates the hole of tapering, manufacture below Inner taper hole (12) and have air gap groove (4), the inner conical surface (11) in Inner taper hole (12) is upper manufactures the lock groove (9) having annular;
Pin (6) and right angle body (7) is drawn to manufacture as a whole or combine formation association after manufacturing respectively, the turnover at a right angle of the global shape after installing shape;
The described pin (6) that draws creates pin portion and pin handle two parts, and the end winding support in pin portion is in the pressing portion of right angle body (7), and pin handle vertically stretches out the damaged surface of Body of pillar afterwards in lock-bit hole (5) through thrust spring (8);
Described right angle body (7) creates column or the blocks of right angle cross break shape, manufacture has locking end and pressing portion, when installing in lock-bit hole (5), pressing portion is parallel to the center line of Body of pillar, and locking end stretches out the surface of male cone (strobilus masculinus) (10) perpendicular to the center line of Body of pillar;
Described lock-bit hole (5) is manufactured on one end that Body of pillar has male cone (strobilus masculinus) (10), create the hole of right angle turns shape, the center line in hole and the central axis of Body of pillar or parallel, be manufactured on male cone (strobilus masculinus) (10) with in the cylinder of the pillar (2) of male cone (strobilus masculinus) (10), the surface of the cylinder near male cone (strobilus masculinus) (10) is worn out perpendicular to the center line of Body of pillar in the one end in hole, the other end wears out male cone (strobilus masculinus) (10) perpendicular to the center line of Body of pillar; The aperture that the part that the middle two ends that are large, hole, aperture being used for the part manufacture of installed thrust spring (8) and right angle body (7) are used for drawing the locking end of pin (6) and right angle body (7) to stretch out manufactures is little, and the aperture of wearing out the lock-bit hole (5) of male cone (strobilus masculinus) (10) is corresponding with the position of lock-bit groove;
Described lock-bit hole (5) can also create cavity separately, the housing with the mating shapes of lock-bit hole (5) is inlaid with in the cavity manufactured separately, expose one end of the damaged surface of Body of pillar or connect or rivet or be welded on the damaged surface of Body of pillar towards one end of the damaged surface of Body of pillar with screw, or connect with screw or rivet or be welded on the oblique lock-bit hole (5) in Body of pillar; The inside and outside two ends of described housing manufacture porose, be provided with in housing and draw pin (6), thrust spring (8), right angle body (7), right angle body (7) is arranged on the middle part of drawing pin (6), thrust spring (8) is arranged between right angle body (7) and housing, stretches out, the locking end of right angle body (7) stretches out from the hole of the inner face of housing after drawing the pin handle of pin (6) to pass from the centre of thrust spring (8) from the hole of housing outer face;
Described lock groove (9) is manufactured on the inner conical surface (11) of the Inner taper hole (12) on bearing (1) and the Inner taper hole (12) on Body of pillar, create the dovetail groove of annular, one side near the oral area of Inner taper hole (12) creates locking face, corresponding with the position of locking hole;
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 (8) creates helical spring;
The conical surface creates inner conical surface (11) and male cone (strobilus masculinus) (10), and inner conical surface (11) and male cone (strobilus masculinus) (10) create the taper surface of point, and the cross section of the conical surface creates the polygonal conical surface, or creates the conical surface of circle or circular arc;
The consistent tapering that the tapering that tapering and the male cone (strobilus masculinus) (10) of described Inner taper hole (12) coordinate creates;
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, and the male cone (strobilus masculinus) (10) of Body of pillar coordinates with the inner conical surface (11) of the Inner taper hole (12) of a Body of pillar below and fixes; Described Inner taper hole (12) is coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the locking end of right angle body (7) by the lock groove (9) on inner conical surface (11) 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), bearing (1) stable fork below fixing skid-proof rubber, between the damaged surface and male cone (strobilus masculinus) (10) of male cone (strobilus masculinus) (10), manufacturing lock-bit hole (5); Right angle body (7), thrust spring (8) are installed in lock-bit hole (5) and draw pin (6), the pressing portion of right angle body (7) is fixed on the end of drawing pin (6), one end of thrust spring (8) is pressed in the pressing portion of right angle body (7), the other end withstands on lock-bit hole (5), vertically stretch out from the damaged surface of column after drawing the pin handle end of pin (6) to pass from the center of thrust spring (8), the locking end of right angle body (7) stretches out from the surface of male cone (strobilus masculinus) (10) perpendicular to the center line of column body; Lock groove (9) on described inner conical surface (11) coordinates with the locking end of right angle body (7) and produces locking effect.
CN201510025196.4A 2015-01-20 2015-01-20 Upright fire-fighting rack Expired - Fee Related CN104727734B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201078181Y (en) * 2007-09-07 2008-06-25 钱俏 Assembling type ascend ladder
CN201144626Y (en) * 2007-12-28 2008-11-05 安徽省电力公司蚌埠供电公司 Insulating combined ladder
CN201782783U (en) * 2010-08-31 2011-04-06 宁波江东轻舟机械科技有限公司 Automatic locking-unlocking type bit changeable screwdriver
CN102383718A (en) * 2011-08-11 2012-03-21 钮丽花 Combined ladder
EP2518845A1 (en) * 2011-04-27 2012-10-31 MP Bolagen Industri AB A splice plate for coupling two adjacent ends of two cable ladder units and a cable ladder arrangement
CN203846981U (en) * 2014-05-19 2014-09-24 朱岩 Portable ladder convenient for disassembly and assembly
CN204081985U (en) * 2014-09-28 2015-01-07 中国海洋石油总公司 Assembled steel vertical ladder

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201078181Y (en) * 2007-09-07 2008-06-25 钱俏 Assembling type ascend ladder
CN201144626Y (en) * 2007-12-28 2008-11-05 安徽省电力公司蚌埠供电公司 Insulating combined ladder
CN201782783U (en) * 2010-08-31 2011-04-06 宁波江东轻舟机械科技有限公司 Automatic locking-unlocking type bit changeable screwdriver
EP2518845A1 (en) * 2011-04-27 2012-10-31 MP Bolagen Industri AB A splice plate for coupling two adjacent ends of two cable ladder units and a cable ladder arrangement
CN102383718A (en) * 2011-08-11 2012-03-21 钮丽花 Combined ladder
CN203846981U (en) * 2014-05-19 2014-09-24 朱岩 Portable ladder convenient for disassembly and assembly
CN204081985U (en) * 2014-09-28 2015-01-07 中国海洋石油总公司 Assembled steel vertical ladder

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