CN204646072U - upright fire-fighting ladder - Google Patents
upright fire-fighting ladder Download PDFInfo
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- CN204646072U CN204646072U CN201520130600.XU CN201520130600U CN204646072U CN 204646072 U CN204646072 U CN 204646072U CN 201520130600 U CN201520130600 U CN 201520130600U CN 204646072 U CN204646072 U CN 204646072U
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- pillar
- hole
- strobilus masculinus
- pin
- male cone
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Abstract
A kind of upright fire-fighting ladder, its base is fixed with key seat, rotating dog connects key seat and rotating seat, adjust the angle of base and rotating seat with gravity cone and lock with lock bolt, the inner conical surface of the male cone (strobilus masculinus) of Body of pillar and the Inner taper hole of rotating seat or below the Inner taper hole of a Body of pillar coordinates and fixes, and is coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post after Inner taper hole coordinates with male cone (strobilus masculinus) and fixes by the locking end of the annular stop groove on inner conical surface with turnover body.Be fixed with the foot-operated of the folding that can draw in one end of the connector of Body of pillar in the both sides of the damaged surface of Body of pillar, be stained with skid-proof rubber in the bottom of base.The structure of upright fire-fighting ladder is simple, assemble and use very convenient, being easy to carry, in assembly and disassembly process during use, not needing instrument, solve the difficult problem of uprightly climbing and standing when fire-fighting is speedily carried out rescue work and rescues, during climbing, the speed of assembling ladder is fast, safe and reliable, climbing is convenient; After using, dismounting, packaging and convenient transportation.
Description
Technical field
The utility model relates to a kind of upright fire-fighting ladder uprightly climbed when fire-fighting is speedily carried out rescue work and rescue 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 utility model relates to is beneficial to provide a kind of the upright fire-fighting ladder carrying, be convenient to lay, assemble and climb.
For achieving the above object, upright fire-fighting ladder described in the utility model mainly comprises base, key seat, rotating dog, lock bolt, rotating seat, gravity cone, Body of pillar, male cone (strobilus masculinus), Inner taper hole, inner conical surface, check mechanism.
Described base is fixed with key seat, key seat there are pin-and-hole and locking screw, rotating dog links together key seat and rotating seat through after the pin-and-hole of the pin-and-hole on key seat and rotating seat bottom, and the lower part that lock bolt exceedes the lock bolt of locking screw screw end after screwing in the locking screw on key seat is pressed in rotating seat locks the fit angle of rotating seat and base.Inner taper hole is had above described rotating seat, the inner conical surface of Inner taper hole has annular stop groove, below Inner taper hole or the inside have air gap, rotating seat is coordinated with the male cone (strobilus masculinus) of Body of pillar lower end and is fixed by Inner taper hole, and after passing male cone (strobilus masculinus), exposes annular stop slot fit on the locking end of male cone (strobilus masculinus) and inner conical surface and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post by the turnover body in the brake hole that is arranged on pillar bottom; Being provided with in the outside of the Inner taper hole part of rotating seat lives turns hole, and the taper shank of the upper end of gravity cone inserts to live and to turn in hole fixing and turns in hole and can freely rotate living.Inner taper hole is had in the connection head end of Body of pillar upper end, the inner conical surface of Inner taper hole there is annular stop groove, below Inner taper hole or the inside have air gap, the male cone (strobilus masculinus) of Body of pillar lower end inserts in the Inner taper hole in the connector of a Body of pillar below, coordinated with the male cone (strobilus masculinus) of Body of pillar lower end by Inner taper hole and fix, and by the turnover body in the brake hole that is arranged on pillar bottom at the be automatically locked inner conical surface and male cone (strobilus masculinus) that post through the annular stop slot fit exposed after male cone (strobilus masculinus) on the locking end of male cone (strobilus masculinus) and inner conical surface; Be fixed with the foot-operated of the folding that can draw in one end of the connector of Body of pillar in the both sides of the damaged surface of Body of pillar, foot-operated upper cover has or is stained with skid-proof rubber.
Described Body of pillar has the lower end of male cone (strobilus masculinus) to insert in the Inner taper hole in the middle part of rotating seat, or, Body of pillar has the lower end of male cone (strobilus masculinus) to insert in the Inner taper hole in the connector of a Body of pillar upper end below, inner conical surface there is annular stop groove coordinates with the locking end of turnover body, then the coordinating of locking inner conical surface and male cone (strobilus masculinus).
Described Inner taper hole is the hole having tapering, has inner conical surface in Inner taper hole, inner conical surface has the annular stop groove of depression.Inner taper hole on described rotating seat coordinates with the male cone (strobilus masculinus) of the lower end of pillar and fixes, and the Inner taper hole on connector coordinates with the male cone (strobilus masculinus) of the lower end of another root pillar and fixes; Coordinated and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post by the locking end of the annular stop groove on inner conical surface with turnover body after described Inner taper hole coordinates with male cone (strobilus masculinus) and fixes.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 check mechanism comprises brake hole, draws pin, thrust spring, turnover body, annular stop groove, the hole of described brake hole right angle turns shape, the damaged surface that the surface of male cone (strobilus masculinus) is worn out in one end on the cylinder of the pillar near male cone (strobilus masculinus), the other end wears out column, the center line of brake hole and the central axis or parallel of column body; Turnover body, thrust spring is installed in brake hole and draws pin, turnover body is fixed on the end of drawing pin, one end of thrust spring is pressed in the pressing portion of turnover body, the other end withstands on brake 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 turnover body stretches out from male cone (strobilus masculinus); The part that described thrust spring is arranged on the middle aperture of brake hole large is enclosed within the middle part of drawing pin, on the wall of the part that the middle aperture that one end is pressed in the pressing portion of turnover body, the other end withstands on brake hole is large or withstand on be fixed on the part of drawing the aperture of the brake hole of one end of the pin handle of pin little jump ring on; The pressing portion that thrust spring is pressed in turnover body promotes the annular stop slot fit on the turnover locking end of body and inner conical surface and the be automatically locked inner conical surface and male cone (strobilus masculinus) that post.
Described base is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be above fixed with key seat, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described base is used for fixing key seat, steady brace and supporting strut and bears all wt that key seat bears, and prevents the lower end of Body of pillar to be absorbed in earth; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents base from sliding on the ground with ground resulting in friction.
Described key seat supports and installs the supporter of rotating dog, supporter has pin-and-hole and locking screw, and pin-and-hole is for installing and fixing rotating dog bear all wt that rotating dog bears.
Near the pin-and-hole of described locking screw on key seat, for assembling lock bolt and purl screw can be rotated in locking screw, the screw end of lock bolt is made to be pressed in the lower part locking rotating seat of rotating seat and the fit angle of base.
Described lock bolt is screw, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of rotating seat.
Described rotating dog is pivot pin or bolt, for connecting key seat and rotating seat and bearing all wt that rotating seat bears.
Described rotating seat is Connection Block, lower part has horizontal pin-and-hole, and there is Inner taper hole the upper end of upper part, and the inner conical surface of Inner taper hole has the annular stop groove of depression, and there is air gap below Inner taper hole or the inside, and Inner taper hole and air gap are directly through; The center line of described pin-and-hole is with the central axis of Inner taper hole or close to vertical; Being provided with in the outside of the Inner taper hole part of rotating seat lives turns hole, and the hole that turns alive being circular hole, boring for installing gravity; Being connected with key seat below by rotating dog of rotating seat, be connected with pillar by Inner taper hole above; Described rotating seat is used for all wt that steady brace and supporting strut and pillar bear.
Described gravity cone is the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone for directly observe Body of pillar and the ground be arranged on rotating seat angle and as adjusting Body of pillar perpendicular to reference object during horizontal plane.
Described gravity cone can fit together forming unit entirety with rotating seat, is convenient to the combination assembling of special pruning garden ladder.
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, is fixed with the foot-operated of the folding that can draw in one end of the connector of Body of pillar in the both sides of the damaged surface of Body of pillar; 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 the upper end of described connector has Inner taper hole, and there is air gap the inside of Inner taper hole, and the inner conical surface of Inner taper hole has the annular stop groove of depression; There is male cone (strobilus masculinus) the lower end of described pillar, the cylinder of the pillar near male cone (strobilus masculinus) has the brake hole of right angle turns shape, the surface of male cone (strobilus masculinus) is worn out in one end of brake hole, the other end wears out pillar damaged surface, the center line of brake hole and the central axis of Body of pillar or parallel.
Described foot-operatedly comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole be fixed on Body of pillar, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, be stained with skid-proof rubber on the surface of riding boogie board or have antiskid glue sleeve at the surface of riding boogie board cover, the skid-proof rubber on foot-operated plays and prevents from riding up anti-skidding effect.
Described annular stop groove is the cannelure of the depression on the inner conical surface of the Inner taper hole on rotating seat and the Inner taper hole on Body of pillar, and cannelure is dovetail groove, corresponding with the position of brake hole, and the one side near the oral area of Inner taper hole is locking face; Described locking face is used for coordinating with the facing directly of locking end of turnover body and producing locking effect.
Described brake hole has one end of male cone (strobilus masculinus) 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 of brake hole is used for that the aperture of the part of installed thrust spring and turnover body is large, the two ends in hole are little for the aperture of drawing the locking end of pin and turnover body and stretching out, and the aperture of the brake hole on male cone (strobilus masculinus) is corresponding with the position of lock-bit groove; Turnover body is installed in brake hole, draws pin and thrust spring, turnover body is arranged on the middle part of drawing pin, thrust spring is arranged between turnover body and brake hole, stretches out, the locking end of body of transfer stretches out from male cone (strobilus masculinus) and coordinate with annular stop groove 9 afterwards after drawing the pin handle of pin to pass from the centre of thrust spring from the damaged surface of pillar.
The described association of drawing pin and turnover 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 turnover 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 turnover body in brake hole.
Described turnover body is column or the blocks of right angle cross break shape, comprises locking end and pressing portion, and when installing in brake 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.
Described thrust spring is stage clip.
In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described Body of pillar and rotating seat and the connection between Body of pillar and Body of pillar and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition.
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.
In order to make the assembling of upright fire-fighting ladder quick, base, key seat, rotating dog and rotating seat are the parts of entirety or the dispersion fitted together.
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 brake hole, turnover body, thrust spring and annular stop groove composition locking system be locked works good and male cone (strobilus masculinus).
In order to reduce costs and alleviate the weight of upright fire-fighting ladder, the Body of pillar of described upright fire-fighting ladder adopts the mode of connecting to be combined into single with rotating seat and Body of pillar with Body of pillar and independently supports, and rotating seat and Body of pillar are hollow body or solid; Body of pillar is individual layer or multilayer in the combination of ladder, and base and rotating seat are individual layers in the combination of ladder.
In order to ensure that Body of pillar is all the time perpendicular to horizontal plane, adopt lock bolt to produce by rotation forces rotating seat and key seat the angle angle that frictional force fixes rotating seat and base, when enabling floor installation on the ground tilted, ensure that the Body of pillar be arranged on rotating seat remains perpendicular to horizontal plane.
Bore to make gravity and can remain perpendicular to horizontal plane, the taper shank of described gravity cone is in the upper end of vertical bar, and the center of gravity that gravity is bored is lower than the position of taper shank.
In order in use can Rapid Combination and facilitate pin to step on, described Body of pillar be combined into global facility with foot-operated, can assembly fast when being beneficial to use; The described fixing employing pin ridden on Body of pillar is connected and fixed, and rides one end be merely able to connector on Body of pillar and draws in, makes pin step down in landing downwards when riding upper.
The structure of the utility model upright fire-fighting ladder is simple, manufacture, assemble and use very convenient, be easy to carry, instrument is not needed in assembly and disassembly process during use, solve the difficult problem that fire fighter uprightly climbs when fire-fighting is speedily carried out rescue work and rescue and stands, during climbing, the speed of assembling ladder is fast, safe and reliable, climbing is convenient; After using, dismounting, packaging and convenient transportation.
Accompanying drawing explanation
Fig. 1 is the package assembly schematic diagram of upright fire-fighting ladder;
Fig. 2 is the structural representation of Body of pillar;
Fig. 3 is the sectional structure schematic diagram of rotating seat;
Fig. 4 is the schematic appearance that chassis is connected with key seat;
Fig. 5 is the schematic appearance that key seat is connected with rotating seat and base.
Shown in figure: rotating seat 1, pillar 2, connector 3, air gap 4, brake hole 5, draw pin 6, turnover body 7, thrust spring 8, annular stop groove 9, male cone (strobilus masculinus) 10, inner conical surface 11, Inner taper hole 12, foot-operated 13, pin-and-hole 14, rotating dog 15, base 16, key seat 17, lock bolt 18, gravity cone 19.
Detailed description of the invention
The upright fire-fighting ladder of the utility model mainly comprises base 16, key seat 17, rotating dog 15, lock bolt 18, rotating seat 1, gravity cone 19, Body of pillar, male cone (strobilus masculinus) 10, Inner taper hole 12, inner conical surface 11, check mechanism.
Described base 16 is fixed with key seat 17, key seat 17 there are pin-and-hole 14 and locking screw, rotating dog 15 links together key seat 17 and rotating seat 1 afterwards through the pin-and-hole 14 of the pin-and-hole 14 on key seat 17 and rotating seat 1 bottom, and lock bolt 18 exceedes the lock bolt 18 of locking screw screw end after screwing in the locking screw on key seat 17 is pressed in the lower part locking rotating seat 1 of rotating seat 1 and the fit angle of base 16.Inner taper hole 12 is had above described rotating seat 1, the inner conical surface 11 of Inner taper hole 12 there is annular stop groove 9, below Inner taper hole 12 or the inside have air gap 4, rotating seat 1 is coordinated with the male cone (strobilus masculinus) 10 of Body of pillar lower end by Inner taper hole 12 and fixes, and is being coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post through exposing the locking end of male cone (strobilus masculinus) 10 after male cone (strobilus masculinus) 10 with the annular stop groove 9 on inner conical surface 11 by the turnover body 7 in the brake hole 5 that is arranged on pillar 2 bottom; Being provided with in the outside of Inner taper hole 12 part of rotating seat 1 lives turns hole, and the taper shank of the upper end of gravity cone 19 inserts to live and to turn in hole fixing and turns in hole and can freely rotate living.Inner taper hole 12 is had in connector 3 end of Body of pillar upper end, the inner conical surface 11 of Inner taper hole 12 there is annular stop groove 9, below Inner taper hole 12 or the inside have air gap 4, the male cone (strobilus masculinus) 10 of Body of pillar lower end inserts in the Inner taper hole 12 in the connector 3 of a Body of pillar below, coordinated with the male cone (strobilus masculinus) 10 of Body of pillar lower end by Inner taper hole 12 and fix, and coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the annular stop groove 9 on inner conical surface 11 through exposing the locking end of male cone (strobilus masculinus) 10 after male cone (strobilus masculinus) 10 by the turnover body 7 in the brake hole 5 that is arranged on pillar 2 bottom, be fixed with foot-operated 13 of the folding that can draw in one end of the connector 3 of Body of pillar in the both sides of the damaged surface of Body of pillar, on foot-operated 13, cover has or is stained with skid-proof rubber.
Described Body of pillar has the lower end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the middle part of rotating seat 1, or, Body of pillar has the lower end of male cone (strobilus masculinus) 10 to insert in the Inner taper hole 12 in the connector 3 of a Body of pillar upper end below, inner conical surface 11 there is annular stop groove 9 coordinates with the locking end of turnover body 7, then the coordinating of locking inner conical surface 11 and male cone (strobilus masculinus) 10.
Described Inner taper hole 12 is the holes having tapering, has inner conical surface 11 in Inner taper hole 12, inner conical surface 11 has the annular stop groove 9 of depression.Inner taper hole 12 on described rotating seat 1 coordinates with the male cone (strobilus masculinus) 10 of the lower end of pillar 2 and fixes, and the Inner taper hole 12 on connector 3 coordinates with the male cone (strobilus masculinus) 10 of the lower end of another root pillar 2 and fixes; Coordinated and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post by the locking end of the annular stop groove 9 on inner conical surface 11 with turnover body 7 after described Inner taper hole 12 coordinates with male cone (strobilus masculinus) 10 and fixes.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 check mechanism comprises brake hole 5, draws pin 6, thrust spring 8, turnover body 7, annular stop groove 9, the hole of described brake hole 5 right angle turns shape, the damaged surface that the surface of male cone (strobilus masculinus) 10 is worn out in one end on the cylinder of the pillar 2 near male cone (strobilus masculinus) 10, the other end wears out column, the center line of brake hole 5 and the central axis or parallel of column body; Turnover body 7, thrust spring 8 is installed in brake hole 5 and draws pin 6, turnover body 7 is fixed on the end of drawing pin 6, one end of thrust spring 8 is pressed in the pressing portion of turnover body 7, the other end withstands on brake 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 turnover body 7 stretches out from male cone (strobilus masculinus) 10; The part that described thrust spring 8 is arranged on the middle aperture of brake hole 5 large is enclosed within the middle part of drawing pin 6, on the wall of the part that the middle aperture that one end is pressed in the pressing portion of turnover body 7, the other end withstands on brake hole 5 is large or withstand on be fixed on the part of drawing the aperture of the brake hole 5 of one end of the pin handle of pin 6 little jump ring on; Thrust spring 8 be pressed in turnover body 7 pressing portion on promote turnover the locking end of body 7 coordinate and the be automatically locked inner conical surface 11 and male cone (strobilus masculinus) 10 that post with the annular stop groove 9 on inner conical surface 11.
Described base 16 is disking bodies or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be above fixed with key seat 17, at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described base 16 is for fixing key seat 17, steady brace 2 and supporting strut 2 and bear all wt that key seat 17 bears, and prevents the lower end of Body of pillar to be absorbed in earth; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents base 16 from sliding on the ground with ground resulting in friction.
Described key seat 17 supports and installs the supporter of rotating dog 15, supporter has pin-and-hole 14 and locking screw, and pin-and-hole 14 is for installing and fixing rotating dog 15 bear all wt that rotating dog 15 bears.
Near the pin-and-hole 14 of described locking screw on key seat 17, for assembling lock bolt 18 and purl screw can be rotated in locking screw, the screw end of lock bolt 18 is made to be pressed in the lower part locking rotating seat 1 of rotating seat 1 and the fit angle of base 16.
Described lock bolt 18 is screws, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of rotating seat 1.
Described rotating dog 15 is pivot pin or bolt, for connecting key seat 17 and rotating seat 1 and bearing all wt that rotating seat 1 bears.
Described rotating seat 1 is Connection Block, lower part has horizontal pin-and-hole 14, there is Inner taper hole 12 upper end of upper part, and the inner conical surface 11 of Inner taper hole 12 has the annular stop groove 9 of depression, below Inner taper hole 12 or the inside has air gap 4, Inner taper hole 12 and air gap 4 directly through; The center line of described pin-and-hole 14 is with the central axis of Inner taper hole 12 or close to vertical; Being provided with in the outside of Inner taper hole 12 part of rotating seat 1 lives turns hole, and the hole that turns alive being circular hole, boring 19 for installing gravity; Being connected with key seat 17 below by rotating dog 15 of rotating seat 1, be connected with pillar 2 by Inner taper hole 12 above; The all wt that described rotating seat 1 bears for steady brace 2 and supporting strut 2 and pillar 2.
Described gravity cone 19 is the vertical bars with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone 19 for directly observe Body of pillar and the ground be arranged on rotating seat 1 angle and as adjusting Body of pillar perpendicular to reference object during horizontal plane.
Described gravity cone 19 can fit together forming unit entirety with rotating seat 1, is convenient to the combination assembling of special pruning garden ladder.
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, is fixed with foot-operated 13 of the folding that can draw in one end of the connector 3 of Body of pillar in the both sides of the damaged surface of Body of pillar; 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 the upper end of described connector 3 has the inside of Inner taper hole 12, Inner taper hole 12 to have air gap 4, and the inner conical surface 11 of Inner taper hole 12 has the annular stop groove 9 of depression; There is male cone (strobilus masculinus) 10 lower end of described pillar 2, the cylinder of the pillar 2 near male cone (strobilus masculinus) 10 has the brake hole 5 of right angle turns shape, the surface of male cone (strobilus masculinus) 10 is worn out in one end of brake hole 5, the other end wears out pillar 2 damaged surface, the center line of brake hole 5 and the central axis of Body of pillar or parallel.
Described foot-operated 13 comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole 14 be fixed on Body of pillar, connecting pin is the pin connecting hanger and riding boogie board, riding boogie board is the square or flat cylinder or blocks stepped on for pin, be stained with skid-proof rubber on the surface of riding boogie board or have antiskid glue sleeve at the surface of riding boogie board cover, the skid-proof rubber on foot-operated 13 plays and prevents foot-operated 13 to get on anti-skidding effect.
Described annular stop groove 9 is cannelures of the depression on the inner conical surface 11 of the Inner taper hole 12 on rotating seat 1 and the Inner taper hole 12 on Body of pillar, and cannelure is dovetail groove, corresponding with the position of brake 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 the facing directly of locking end of turnover body 7 and producing locking effect; The angle considering to insert is not needed when described annular stop groove 9 is for allowing the locking end of turnover body 7 insert annular stop groove 9, coordinate and the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10 with the locking end of turnover body 7, then the locked inner conical surface 11 that posts and male cone (strobilus masculinus) 10, and then make connector 3 and Body of pillar and rotating seat 1 and Body of pillar fixation.
Described brake hole 5 has one end of male cone (strobilus masculinus) 10 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 of brake hole 5 is used for that the aperture of the part of installed thrust spring 8 and turnover body 7 is large, the two ends in hole are little for the aperture of drawing the locking end of pin 6 and turnover body 7 and stretching out, and the aperture of the brake hole 5 on male cone (strobilus masculinus) 10 is corresponding with the position of lock-bit groove; Turnover body 7 is installed in brake hole 5, draws pin 6 and thrust spring 8, turnover body 7 is arranged on the middle part of drawing pin 6, thrust spring 8 is arranged between turnover body 7 and brake hole 5, stretch out from the damaged surface of pillar 2 after drawing the pin handle of pin 6 to pass from the centre of thrust spring 8, the locking end of body 7 of transferring coordinates with annular stop groove 9 after male cone (strobilus masculinus) 10 stretches out, draw pin 6 and body 7 of transferring can move in brake hole 5.
The described association of drawing pin 6 and turnover 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 turnover 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 turnover body 7 in brake hole 5.
Described turnover body 7 is column or the blocks of right angle cross break shape, comprises locking end and pressing portion, and when installing in brake 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 turnover 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 thrust spring 8 is stage clips, completes automatic locking for promoting the turnover locking end of body 7 to coordinate with the annular stop groove 9 on male cone (strobilus masculinus) 10.
Described air gap 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.
In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described Body of pillar and rotating seat 1 and the connection between Body of pillar and Body of pillar and fixingly all adopt cone match, being beneficial to quick assembling and quick demolition.
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.
In order to make the assembling of upright fire-fighting ladder quick, base 16, key seat 17, rotating dog 15 and rotating seat 1 are the parts of entirety or the dispersion fitted together.
In order to can the locking inner conical surface 11 of working good and male cone (strobilus masculinus) 10 not loosen, described brake hole 5, turnover body 7, thrust spring 8 and annular stop 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 upright fire-fighting ladder, the Body of pillar of described upright fire-fighting ladder adopts the mode of connecting to be combined into single with rotating seat 1 and Body of pillar with Body of pillar and independently supports, and rotating seat 1 and Body of pillar are hollow body or solid; Body of pillar is individual layer or multilayer in the combination of ladder, and base 16 and rotating seat 1 are individual layers in the combination of ladder.
In order to ensure that Body of pillar is all the time perpendicular to horizontal plane, adopt lock bolt 18 to produce frictional force by rotation forces rotating seat 1 and key seat 17 and fix rotating seat 1 and the angle angle of base 16, when base 16 is arranged on the ground of inclination, ensure that the Body of pillar be arranged on rotating seat 1 remains perpendicular to horizontal plane.
Bore 19 to make gravity can remain perpendicular to horizontal plane, the taper shank of described gravity cone 19, in the upper end of vertical bar, makes the position of center of gravity lower than taper shank of gravity cone 19.
In order in use can Rapid Combination and facilitate pin to step on, described Body of pillar be combined into global facility with foot-operated 13, can assembly fast when being beneficial to use; Described foot-operated 13 fixing employing pin on Body of pillar are connected and fixed, and foot-operated 13 one end be merely able on Body of pillar to connector 3 are drawn, downward landing when pin is stepped down on foot-operated 13.
The assemble method of upright fire-fighting ladder: during assembling, A, place the base 16, key seat 17, rotating dog 15 and the rotating seat 1 that fit together on the ground, base 16 on ground, rotating seat 1 is above, again the lower end of the pillar 2 having male cone (strobilus masculinus) 10 is inserted in the Inner taper hole 12 of rotating seat 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 rotating seat 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 transferring body 7 enters into, the oblique inclined-plane promoting the locking end of turnover body 7 of inner conical surface 11, make the pressing portion compression thrust spring 8 of turnover 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 rotating seat 1, the position of annular stop groove 9 is just in time entered after the inner conical surface 11 that the locking end of turnover body 7 slips over above annular stop groove 9 smoothly, the locking end of turnover body 7 enters in annular stop groove 9 under the powered of thrust spring 8, by the locking end of body 7 of transferring face directly to coordinate with the locking face of trapezoidal annular stop groove 9 the inner conical surface 11 posted and male cone (strobilus masculinus) 10 locked after can not retreat, complete the fixing and locking of Body of pillar and rotating seat 1.Point-blank whether the parallel lines of B, the center line of vertical bar observing gravity cone 19 and the center line of Body of pillar, time not point-blank, the upper end of moving the Body of pillar inserted on rotating seat 1 makes the parallel lines of the center line of Body of pillar and gravity bore the center line of the vertical bar of 19 point-blank, lock bolt 18 again on rotating dog 15 compresses the lower part of rotating seat 1, rotating seat 1 can not be rotated around rotating dog 15, allow base 16 remain unchanged with the angle of rotating seat 1, ensure that the pillar 2 be arranged on above rotating seat 1 is perpendicular to horizontal plane; Time point-blank, the lower part of rotating seat 1 is compressed with regard to the lock bolt 18 on direct rotating dog 15, rotating seat 1 can not be rotated around rotating dog 15, allow base 16 remain unchanged with the angle of rotating seat 1, ensure that the pillar 2 be arranged on above rotating seat 1 is perpendicular to horizontal plane.One end of male cone (strobilus masculinus) 10 is again had by another root Body of pillar to insert in the Inner taper hole 12 of connector 3 in Inner taper hole 12 in C, connector 3 again 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 Body of pillar 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 transferring body 7 enters into, the oblique inclined-plane of locking end promoting turnover body 7 of inner conical surface 11 makes the pressing portion compression thrust spring 8 of turnover 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 position of annular stop groove 9 is just in time entered after the inner conical surface 11 that the locking end of turnover body 7 slips over above annular stop groove 9 smoothly, the locking end of turnover body 7 enters in annular stop groove 9 under the powered of thrust spring 8, by the locking end of body 7 of transferring face directly to coordinate with the locking face of trapezoidal annular stop groove 9 the inner conical surface 11 posted and male cone (strobilus masculinus) 10 locked after can not retreat, when the Body of pillar composition of D, employing multilayer prunes gardens special-purpose ladder, repeat the male cone (strobilus masculinus) 10 again inserting pillar 2 in the Inner taper hole 12 of Body of pillar upper end of step C, afterwards, the male cone (strobilus masculinus) 10 of Body of pillar can insert in the Inner taper hole 12 of a Body of pillar below by Using such method again, completes being connected and fixed and locking between Body of pillar and Body of pillar.The assembling of Body of pillar and rotating seat 1 and Body of pillar and Body of pillar is very convenient, just can complete without any need for instrument.
The method for dismounting of upright fire-fighting ladder: during the Body of pillar of dismountable, pull the pin handle of pin 6, after driving the locking end of turnover body 7 to exit the annular stop groove 9 on inner conical surface 11, 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 rotating seat 1 is fixed, pull the pin handle of pin 6, after driving the locking end of turnover body 7 front end to exit the annular stop groove 9 on male cone (strobilus masculinus) 10, Body of pillar upwards one is drawn or one lifts and automatically will separate with the Inner taper hole 12 of rotating seat 1, and Body of pillar will separate automatically with rotating seat 1.The dismounting of Body of pillar and rotating seat 1 and Body of pillar and Body of pillar is very convenient, just can complete without any need for instrument.
Fire fighter is when fire-fighting is speedily carried out rescue work and rescue, first the base 16 fitted together, key seat 17, rotating dog 15 and rotating seat 1 are placed on the ground, after rotating seat 1 is plugged first Body of pillar, point-blank whether the center line of vertical bar of observation gravity cone 19 and the parallel lines of the center line of Body of pillar, time not point-blank, the upper end of moving the Body of pillar inserting rotating seat 1 makes the parallel lines of the center line of Body of pillar and gravity bore the center line of the vertical bar of 19 point-blank, screw lock bolt 18 again and compress rotating seat 1, rotating seat 1 can not be rotated around rotating dog 15, then all Body of pillar on rotating seat 1 are made all to keep perpendicular to horizontal plane, again needing the Body of pillar of height to take with oneself, pin steps down on foot-operated 13 on Body of pillar and climbs up, one section can be climbed and assemble the Body of pillar that a length of tape has foot-operated 13 again, 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.When having pruned descending stair after branch, pin has stepped down on foot-operated 13 and has down climbed, and next section tears a Body of pillar open, very convenient.
Claims (6)
1. a upright fire-fighting ladder, is characterized in that: described upright fire-fighting ladder mainly comprises base (16), key seat (17), rotating dog (15), lock bolt (18), rotating seat (1), gravity cone (19), Body of pillar, male cone (strobilus masculinus) (10), Inner taper hole (12), inner conical surface (11), check mechanism;
Described base (16) is fixed with key seat (17), key seat (17) there are pin-and-hole (14) and locking screw, rotating dog (15) links together key seat (17) and rotating seat (1) afterwards through the pin-and-hole (14) of the pin-and-hole (14) on key seat (17) and rotating seat (1) bottom, lock bolt (18) exceedes the lock bolt (18) of locking screw screw end after screwing in the locking screw on key seat (17) is pressed in lower part locking rotating seat (1) of rotating seat (1) and the fit angle of base (16), Inner taper hole (12) is had above described rotating seat (1), the inner conical surface (11) of Inner taper hole (12) there is annular stop groove (9), below Inner taper hole (12) or the inside have air gap (4), rotating seat (1) is coordinated by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of Body of pillar lower end and fixes, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the annular stop groove (9) on inner conical surface (11) through exposing the locking end of male cone (strobilus masculinus) (10) after male cone (strobilus masculinus) (10) by the turnover body (7) be arranged in the brake hole (5) of pillar (2) bottom, be provided with to live in the outside of Inner taper hole (12) part of rotating seat (1) and turn hole, the taper shank of the upper end of gravity cone (19) inserts to live and to turn in hole fixing and turns in hole and can freely rotate living, Inner taper hole (12) is had in connector (3) end in Body of pillar upper end, the inner conical surface (11) of Inner taper hole (12) there is annular stop groove (9), below Inner taper hole (12) or the inside have air gap (4), the male cone (strobilus masculinus) (10) of Body of pillar lower end inserts in the Inner taper hole (12) in the connector (3) of a Body of pillar below, coordinate by Inner taper hole (12) with the male cone (strobilus masculinus) (10) of Body of pillar lower end and fix, and coordinated and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the annular stop groove (9) on inner conical surface (11) through exposing the locking end of male cone (strobilus masculinus) (10) after male cone (strobilus masculinus) (10) by the turnover body (7) be arranged in the brake hole (5) of pillar (2) bottom, be fixed with in the both sides of the damaged surface of Body of pillar foot-operated (13) of the folding that can draw in one end of the connector of Body of pillar (3), foot-operated (13) upper cover has or is stained with skid-proof rubber,
Described Body of pillar has the lower end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) at rotating seat (1) middle part, or, Body of pillar has the lower end of male cone (strobilus masculinus) (10) to insert in the Inner taper hole (12) in the connector (3) of a Body of pillar upper end below, inner conical surface (11) there is annular stop groove (9) coordinate with the locking end of turnover body (7), then lock coordinating of inner conical surface (11) and male cone (strobilus masculinus) (10);
Tapering is consistent with the tapering of male cone (strobilus masculinus) (10);
Described check mechanism comprises brake hole (5), draws pin (6), thrust spring (8), turnover body (7), annular stop groove (9), the hole of described brake hole (5) right angle turns shape, the damaged surface that the surface of male cone (strobilus masculinus) (10) is worn out in one end on the cylinder of the pillar (2) near male cone (strobilus masculinus) (10), the other end wears out column, the center line of brake hole (5) and the central axis or parallel of column body; Turnover body (7), thrust spring (8) are installed in brake hole (5) and draw pin (6), turnover body (7) is fixed on the end of drawing pin (6), one end of thrust spring (8) is pressed in the pressing portion of turnover body (7), the other end withstands on brake 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 turnover body (7) stretches out from male cone (strobilus masculinus) (10); The part that described thrust spring (8) is arranged on the middle aperture of brake hole (5) large is enclosed within the middle part of drawing pin (6), on the wall of the part that the middle aperture that one end is pressed in the pressing portion of turnover body (7), the other end withstands on brake hole (5) is large or withstand on be fixed on the part of drawing the aperture of the brake hole (5) of one end of the pin handle of pin (6) little jump ring on; Thrust spring (8) be pressed in turnover body (7) pressing portion on promote turnover body (7) locking end coordinate and the be automatically locked inner conical surface (11) and male cone (strobilus masculinus) (10) that post with the annular stop groove (9) on inner conical surface (11);
Described base (16) is disking body or is in strip interconnection shape, disking body or be in strip interconnection shape middle part be above fixed with key seat (17), at disking body or be in strip below interconnection shape and be stained with skid-proof rubber; Described skid-proof rubber is fixed on disking body or is in strip below interconnection shape, prevents base (16) from sliding on the ground with ground resulting in friction;
Described key seat (17) is the supporter supporting and install rotating dog (15), supporter has pin-and-hole (14) and locking screw, pin-and-hole (14) is for installing and fixing rotating dog (15) bear all wt that rotating dog (15) bears;
Near the pin-and-hole (14) of described locking screw on key seat (17), for assembling lock bolt (18) and purl screw can be rotated in locking screw, the screw end of lock bolt (18) is made to be pressed in lower part locking rotating seat (1) of rotating seat (1) and the fit angle of base (16);
Described lock bolt (18) is screw, can rotate in locking screw, produces and rub and play locking effect when screw end contacts with the lower part of rotating seat (1);
Described rotating dog (15) is pivot pin or bolt, for connecting key seat (17) and rotating seat (1) and bearing all wt that rotating seat (1) bears;
Described rotating seat (1) is Connection Block, lower part there is horizontal pin-and-hole (14), there is Inner taper hole (12) upper end of upper part, the inner conical surface (11) of Inner taper hole (12) has the annular stop groove (9) of depression, there is air gap (4) below Inner taper hole (12) or the inside, and Inner taper hole (12) is directly through with air gap (4); The center line of described pin-and-hole (14) is with the central axis of Inner taper hole (12) or close to vertical; Be provided with to live in the outside of Inner taper hole (12) part of rotating seat (1) and turn hole, the hole that turns alive being circular hole, boring (19) for installing gravity; Being connected with key seat (17) below by rotating dog (15) of rotating seat (1), be connected with pillar (2) by Inner taper hole (12) above;
Described gravity cone (19) is the vertical bar with taper shank, and taper shank is vertical with vertical bar, and taper shank inserts to live and turns fixing in hole and turn in hole can freely rotate alive; Described gravity cone (19) for directly observe Body of pillar and the ground be arranged on rotating seat (1) angle and as adjusting Body of pillar perpendicular to reference object during horizontal plane;
Described gravity cone (19) can fit together forming unit entirety with rotating seat (1), is convenient to the combination assembling of special pruning garden ladder;
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), comprise connector (3) and pillar (2) two parts, be fixed with in the both sides of the damaged surface of Body of pillar foot-operated (13) of the folding that can draw in one end of the connector of Body of pillar (3); 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 the upper end of described connector (3) has Inner taper hole (12), there is air gap (4) the inside of Inner taper hole (12), and the inner conical surface (11) of Inner taper hole (12) has the annular stop groove (9) of depression; There is male cone (strobilus masculinus) (10) lower end of described pillar (2), the cylinder of the pillar (2) near male cone (strobilus masculinus) (10) has the brake hole (5) of right angle turns shape, the damaged surface that the surface of male cone (strobilus masculinus) (10) is worn out in one end of brake hole (5), the other end wears out pillar (2), the center line of brake hole (5) and the central axis or parallel of Body of pillar;
Described foot-operated (13) comprise hanger, connecting pin and riding boogie board, hanger is the connector having pin-and-hole (14) be fixed on Body of pillar, connecting pin is the pin connecting hanger 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 annular stop groove (9) is the cannelure of the depression on the inner conical surface (11) of the Inner taper hole (12) on rotating seat (1) and the Inner taper hole (12) on Body of pillar, cannelure is dovetail groove, corresponding with the position of brake hole (5), the one side near the oral area of Inner taper hole (12) is locking face;
Described brake hole (5) has one end of male cone (strobilus masculinus) (10) 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 aperture that the mid portion of brake hole (5) is used for installed thrust spring (8) and two ends that are large, hole, the aperture of the part of body (7) of transferring are used for drawing the locking end of pin (6) and turnover body (7) to stretch out is little, and the aperture of the brake hole (5) on male cone (strobilus masculinus) (10) is corresponding with the position of lock-bit groove; Turnover body (7) is installed in brake hole (5), draws pin (6) and thrust spring (8), turnover body (7) is arranged on the middle part of drawing pin (6), thrust spring (8) is arranged between turnover body (7) with brake hole (5), stretches out, the locking end of body of transferring (7) stretches out from male cone (strobilus masculinus) (10) and coordinate with annular stop groove (9) afterwards after drawing the pin handle of pin (6) to pass from the centre of thrust spring (8) from the damaged surface of pillar (2);
The described association of drawing pin (6) and turnover 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 turnover body (7), pin handle vertically stretches out the damaged surface of Body of pillar afterwards in brake hole (5) through thrust spring (8), draw pin (6) to exit lock-bit groove for pulling turnover body (7);
Described turnover body (7) is column or the blocks of right angle cross break shape, comprise locking end and pressing portion, when installing in brake 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;
In order to increase connectivity robustness and the stability of ladder, improving the speed of installation and demolition, described Body of pillar and rotating seat (1) and the connection between Body of pillar and Body of pillar and fix and all adopt cone match, being beneficial to quick assembling and quick demolition;
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;
In order to make the assembling of upright fire-fighting ladder quick, base (16), key seat (17), rotating dog (15) and rotating seat (1) are the parts of entirety or the dispersion fitted together.
2. upright fire-fighting ladder according to claim 1, it is characterized in that: in order to can the locking inner conical surface (11) of working good and male cone (strobilus masculinus) (10) not loosen, described brake hole (5), turnover body (7), thrust spring (8) and annular stop groove (9) form the locked inner conical surface (11) of working good of locking system and male cone (strobilus masculinus) (10).
3. upright fire-fighting ladder according to claim 1, it is characterized in that: in order to reduce costs and alleviate the weight of upright fire-fighting ladder, the Body of pillar of described upright fire-fighting ladder adopts the mode of connecting to be combined into single with rotating seat (1) and Body of pillar with Body of pillar and independently supports, and rotating seat (1) and Body of pillar are hollow body or solid; Body of pillar is individual layer or multilayer in the combination of ladder, and base (16) and rotating seat (1) are individual layers in the combination of ladder.
4. upright fire-fighting ladder according to claim 1, is characterized in that: in order in use can Rapid Combination and facilitate pin to step on, and described Body of pillar is combined into global facility with foot-operated (13), can assembly fast when being beneficial to use; Described foot-operated (13) fixing employing pin on Body of pillar is connected and fixed, foot-operated (13) are merely able to draw in one end of connector (3) on Body of pillar, landing downwards when pin is stepped down on foot-operated (13).
5. upright fire-fighting ladder according to claim 1, it is characterized in that: in order to ensure that Body of pillar is all the time perpendicular to horizontal plane, adopt lock bolt (18) to produce frictional force by rotation forces rotating seat (1) and key seat (17) and fix rotating seat (1) and the angle angle of base (16), when base (16) is arranged on the ground of inclination, ensure that the Body of pillar be arranged on rotating seat (1) remains perpendicular to horizontal plane.
6. upright fire-fighting ladder according to claim 1, it is characterized in that: bore (19) to make gravity and can remain perpendicular to horizontal plane, the taper shank of described gravity cone (19), in the upper end of vertical bar, makes gravity bore the position of center of gravity lower than taper shank of (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130600.XU CN204646072U (en) | 2015-03-09 | 2015-03-09 | upright fire-fighting ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520130600.XU CN204646072U (en) | 2015-03-09 | 2015-03-09 | upright fire-fighting ladder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204646072U true CN204646072U (en) | 2015-09-16 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520130600.XU Expired - Fee Related CN204646072U (en) | 2015-03-09 | 2015-03-09 | upright fire-fighting ladder |
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| Country | Link |
|---|---|
| CN (1) | CN204646072U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211163A (en) * | 2017-12-30 | 2018-06-29 | 佛山尉达科技有限公司 | Rescue aid |
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2015
- 2015-03-09 CN CN201520130600.XU patent/CN204646072U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108211163A (en) * | 2017-12-30 | 2018-06-29 | 佛山尉达科技有限公司 | Rescue aid |
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