CN203613782U - Slider anti-falling device for scaffold with guide rail with cross bars - Google Patents
Slider anti-falling device for scaffold with guide rail with cross bars Download PDFInfo
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- CN203613782U CN203613782U CN201320707231.7U CN201320707231U CN203613782U CN 203613782 U CN203613782 U CN 203613782U CN 201320707231 U CN201320707231 U CN 201320707231U CN 203613782 U CN203613782 U CN 203613782U
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- slide block
- scaffold
- crosspiece
- slider
- spring
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Abstract
The utility model provides a slider anti-falling device for a scaffold with a guide rail with cross bars. The slider anti-falling device comprises a body, a slider and a ratchet pawl; a slideway is arranged in the body; the slider is arranged in the slideway and can axially slide in the slideway; up and down two slopes are arranged at the front end of the slider; a limiting slot is arranged above the rear end of the slider; a spring is arranged at the tail end of the slider, is connected with the body with one end and is connected with the tail end of the slider with the other end; the spring is in the compressed state; the ratchet pawl is arranged above and in front of the limiting slot; one end of the ratchet pawl is hinged to the body and the other end of the ratchet pawl is of a free end; by using the mutual action between the slider and the spring and between the slider and the cross bars of the scaffold, when the cross bars of the scaffold are normally lifted, the slider can normally slide front and back without affecting the lifting of the scaffold, when a falling condition occurs, the ratchet pawl is separated from the limiting slot due to the impact of the cross bars of the scaffold to the slider, and the slider is fast inserted between the cross bars of the scaffold under the action of the spring at the tail end of the slider to block the cross bars, thus smartly realizing the anti-falling effect.
Description
Technical field
The utility model relates to a kind of anti-drop device, relates in particular to a kind of slide block type falling proof device of the scaffold for guide rail band crosspiece.
Background technology
Attachment type raise scaffold is the novel construction technique of one of the building operations external scaffolding that occurs in recent years, along with various places super highrise building is more and more, and the having a extensive future of this product.Its major function is to provide the security protection of the outer facade of construction work main body construction and decoration construction.
Fig. 1, Figure 2 shows that A type attachment type raise scaffold product structure figure, this product is adopted large usage quantity in the market, it comprises and adheres to support steel beam, guide rail, main frame, falling proof device 101, diagonal member 105, in the time that electric block 103 is painstaking, under the effect of wire rope 109, movable lock tube 107 is pressed downwards, away from anti-fall suspension rod 102, support body can easy on and off motion.When fracture appears in the chain of electric block 103, when dynamic failure, wire rope 109 comes off, and movable lock tube 107 moves upward under the effect of spring 106, with fixing lock tube 108 jointly by locked anti-fall suspension rod 102, thereby play the effect that prevents that support body from falling.In circular flow, anti-fall suspension rod 102 need to be pulled down and forwarded last floor week to together with suspension rod crossbeam 104, enter next lifting circulation.Adopt wire rope 109 to unload.The shortcoming of this kind of product is: can not meet the requirement of 4.5.3 in " building operations tool type scaffold technical specification of security ", 101 1 seats in the plane of falling proof device only have a set of, in the time adhering to support steel beam turnover, falling proof device 101 must be removed turnover, has the time blank that there is no falling proof device 101; Falling proof device 101 heavinesses, need to operate manually; Anti-fall suspension rod 102 is in use easy to distortion, the situation that causes falling proof device 101 to lose efficacy and cannot use; Can not meet the requirement of 4.5.4 in " building operations tool type scaffold technical specification of security ", there is no load Real-Time Monitoring and control function; Guide rail and main frame weld together, and conevying efficiency is low, and distortion cannot be proofreaied and correct.
Fig. 3, Figure 4 shows that Type B attachment type raise scaffold product structure figure, this product generally adopts in the market, its operating principle is, in the time that electric block 204 is painstaking, take turns 201 pull-ups by anti-fall with pull rope, leave the wedge shape cell body that wedge surface 205 and guide rail form, when fracture appears in the chain of electric block 204, when dynamic failure, pull rope comes off, anti-fallly take turns 201 and under Action of Gravity Field, automatically slip in wedge-shaped slot, guide rail and anti-fallly take turns 201 and offset and the tenesmus of locked guide rail, thus play the effect that prevents that support body from falling.In circular flow, need to take turns 201 and pull down on the girder steel 202 that forwards last floor week to anti-fall, enter next lifting circulation.Electric block 204 is arranged on girder steel 202, need to manually have enough to meet the need, and adopts wire rope off-load.The shortcoming of this kind of product is: can not meet the requirement of 4.5.3 in " building operations tool type scaffold technical specification of security ", seat in the plane of anti-drop device of this product only has a set of, in the time that girder steel 202 has enough to meet the need, anti-drop device must be removed turnover, has the time blank that there is no anti-drop device; Anti-drop device need to operate manually, easily neglected loading; In decline process, anti-drop device needs holding wire 203 to draw, and easily occurs misoperation or is failure to actuate, can not reliably working; Electric block 204 is arranged on girder steel 202, need to manually have enough to meet the need, and wastes time and energy, and efficiency of construction is low.
Figure 5 shows that C type attachment type raise scaffold product structure figure, this product generally adopts in the market, its operating principle is, when guide holder is fixed, rail guide piece is under the constraint of guide holder and downwards when microinching, after the connecting rod of the rail guide piece in motion enters and contacts in guide holder and with the bottom of balancing point 302 and to push, to there is clockwise direction and rotate in balancing point 302, when connecting rod moves downward behind the bottom of crossing balancing point 302, balancing point 302 reset of rebounding within the elastic force effect moment of back-moving spring 301, be that balancing point 302 will rotate counterclockwise again, balancing point 302 is by the original state returning to before original swing, complete once and swing, and then another connecting rod enters again in guide holder, repeat above process, connecting rod will be constantly at a slow speed downwards by guide holder, repeat above process, multiple connecting rods will decline, in like manner, rail guide piece can move upward equally and constantly pass through smoothly guide bracket, in the time that rail guide piece moves downward fast or falls, different from descending at slow speed when completing once to swing up and down, balancing point 302 returns to after original state while being descending at slow speed, and then another connecting rod just enters again in the scope that balancing point 302 swings, and when rail guide piece fast-descending or while falling, before balancing point 302 does not also complete and once swings and return to form, now another connecting rod has entered in the scope that balancing point 302 swings, balancing point 302 cannot be rebounded, the upper end of balancing point 302 clockwise rotates after certain angle under connecting rod pushing, stopping the most at last connecting rod passes through downwards, be that guide rail is stuck, play the object of anti-tenesmus.Electric block is arranged on and adheres on support steel beam, adopts and supports off-load.The shortcoming of this kind of product is: the anti-drop device of this product needs back-moving spring 301 to reset, high to back-moving spring 301 and requirement on machining accuracy, in use, the easy fatigue failure of back-moving spring 301, complex structure, processing cost is high, require high to preventing dust, be difficult to tackle construction environment, be prone to stuck misoperation, occur potential safety hazard; Adopt the off-load of oblique top mode, have support member unstability and cause domino effect, cause serious security incident, workman can lay down support member at applying working condition, has maloperation and causes the risk of security incident.
There is following drawback in the attachment type raise scaffold that prior art adopts: can not meet the requirement of 4.5.3 bar in " building operations tool type scaffold technical specification of security ", what have only has a set of anti-drop device, what have can not effectively play anti-fall effect simultaneously in lifting and decline process, what have need to operate manually, in the time that support steel beam is adhered in turnover, exists in short-term without drawbacks such as anti-fall measures; Electric block needs artificial turnover, wastes time and energy, and speed of application is slow, and electric block easily damages; Can not meet the requirement of 4.5.4 bar in " building operations tool type scaffold technical specification of security ", traditional control system can only be controlled break-make and the rotating of electric block, and can not implementation procedure load Real-Time Monitoring and protection, when there being overload, lose carry, power-off in time when out of step conditions, there is very large potential safety hazard; Most products adopts the mode off-load of oblique top, there is support member unstability hidden danger, once occur that the inefficacy of some support member unstabilitys can produce domino effect, cause serious security incident, and oblique top support off-load exist workman's maloperation to lay down possibility of support member, still existence very large security risk; Guide rail and main frame weld together, in process, and effectively control accuracy and distortion, transportation takies local large, and cost of transportation is high, and in use procedure, distortion seriously, cannot be proofreaied and correct.
Utility model content
The technical problems to be solved in the utility model is: a kind of slide block type falling proof device of the scaffold for guide rail band crosspiece is provided, and simple in structure, easy to use and reliable.
For realizing above object, the utility model provides a kind of slide block type falling proof device of the scaffold for guide rail band crosspiece, comprise body, slide block, ratchet, in body, be provided with slideway, slide block is placed in slideway, and can in slideway, slide axially, slip front is provided with upper and lower two inclined-planes, and top, rear end is provided with stopper slot, and end is provided with spring, spring one end connects body, one end connection sliding block end, spring is in compressive state, and stopper slot front upper place is provided with ratchet, ratchet one end and body are hinged, and the other end is free end; Under normal circumstances, ratchet free end is stuck in stopper slot, in the time of the normal ascending, descending of scaffold, a crosspiece on guide rail is encountered the inclined-plane of slip front, promotes slide block and slides backward, when slide block slides backward, ratchet free end all the time in stopper slot, after crosspiece passes through, slide block under the effect of spring to front slide, slip front inclined-plane reenters the gap between crosspiece, waits for the arrival of next crosspiece; In the time there is falling situation in scaffold, the inclined-plane of crosspiece quick washing slip front, slide block axially slides backward rapidly, impulse click makes the free end of ratchet produce stopper slot, enter rapidly crosspiece in spring action sliding block entirety, the upper plane of slide block is blocked crosspiece, thereby guarantees that scaffold can not continue tenesmus.
Further, in body, be also provided with the guiding mechanism of adjusting slide block initial position.
Further, body interior is provided with a location-plate, and location-plate is provided with locating hole, is installed with backstay on locating hole, and backstay can slide axially in locating hole, and the front end of backstay is fixedly connected with the end of slide block.
The utility model provides a kind of slide block type falling proof device of the scaffold for guide rail band crosspiece, utilize the interaction between slide block and spring and scaffold crosspiece, in the time of the normal lifting of scaffold crosspiece, slide block normally front and back slides, do not affect the lifting of scaffold, in the time occurring falling situation, the impact of scaffold crosspiece to slide block, make ratchet depart from stopper slot, slide block inserts rapidly between the crosspiece of scaffold under the effect of its end spring, block crosspiece, thereby solved dexterously anti-fall problem.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is background technology 1 structure chart;
Fig. 2 is background technology 1 falling proof device profile;
Fig. 3 is background technology 2 structure charts;
Fig. 4 is A partial enlarged drawing in Fig. 3;
Fig. 5 is background technology 3 structure charts;
Fig. 6 is the view of the utility model in the time of normal position.
Fig. 7 is the view of the utility model in the time of propradation.
Fig. 8 is the view of the utility model in the time of braking state.
Shown in Fig. 1, Fig. 2: 101-falling proof device; The anti-fall suspension rod of 102-; 103-electric block; 104-suspension rod crossbeam; 105-diagonal member; 106-spring; The movable lock tube of 107-; 108-fixes lock tube; 109-wire rope.
Shown in Fig. 3, Fig. 4: 201-is anti-fall to take turns; 202-girder steel; 203-holding wire; 204-electric block; 205-wedge surface.
Shown in Fig. 5: 301-back-moving spring; 302-balancing point.
Shown in Fig. 6, Fig. 7, Fig. 8: 1-body; 2-slideway; 3-slide block; 4-ratchet; 5-crosspiece; 6-guide rail.
The specific embodiment
For making object, technical scheme and the advantage of the utility model embodiment clearer, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
embodiment 1:
Referring to Fig. 6-Fig. 8, the utility model provides a kind of slide block type falling proof device of the scaffold for guide rail band crosspiece, it is characterized in that: comprise body 1, slide block 3, ratchet 4, in body 1, be provided with slideway 2, slide block 3 is placed in slideway 2, and can in slideway 2, slide axially, slide block 3 front ends are provided with upper and lower two inclined-planes, and top, rear end is provided with stopper slot, and end is provided with spring, spring one end connects body 1, one end connection sliding block 3 ends, spring is in compressive state, and stopper slot front upper place is provided with ratchet 4, ratchet 4 one end and body 1 are hinged, and the other end is free end; Under normal circumstances, ratchet 4 free ends are stuck in stopper slot, in the time of the normal ascending, descending of scaffold, a crosspiece 5 on guide rail 6 is encountered the inclined-plane of slide block 3 front ends, promotes slide block 3 and slides backward, when slide block 3 slides backward, ratchet 4 free ends all the time in stopper slot, after crosspiece 5 passes through, slide block 3 under the effect of spring to front slide, slide block 3 front end inclined-planes reenter the gap between crosspiece 5, wait for the arrival of next crosspiece 5; In the time there is falling situation in scaffold, the inclined-plane of crosspiece 5 quick washing slide block 3 front ends, slide block 3 axially slides backward rapidly, impulse click 4 makes the free end of ratchet 4 produce stopper slot, enter rapidly crosspiece 5 in spring action sliding block 3 entirety, the upper plane of slide block 3 is blocked crosspiece 5, thereby guarantees that scaffold can not continue tenesmus.
Further, in body 1, be also provided with the guiding mechanism of adjusting slide block 3 initial positions.This guiding mechanism can be by adjusting the elasticity of spring, or the common technological means such as adjusting bolt are set realize.Adjust the initial position of slide block 3, that two inclined-planes in order to guarantee the front end of slide block 3 when normal can contact with crosspiece 5 in the time of the normal lifting of scaffold, and can promote moving backward of slide block 3, more can guarantee in the time occurring falling situation, crosspiece 5 can impact the inclined-plane of slide block 3 front ends, slide block 3 is axially slided backward rapidly, and impulse click 4 produces stopper slot, guarantees implementing of anti-fall effect.
Further, body 1 inside is provided with a location-plate, and location-plate is provided with locating hole, is installed with backstay on locating hole, and backstay can slide axially in locating hole, and the front end of backstay is fixedly connected with the end of slide block 3.Adopt in such a way, the glide direction of slide block 3 is just subject to the control of backstay, guarantees that slide block 3 slides axially, thereby guarantees better the realization of fall arrest effect.
Key point of the present utility model and protection point are the interaction forces that utilizes cleverly the crosspiece on inclined plane slide block and main frame; make the slide block can automatic reciprocating motion; the inertial impact force that utilizes support body to fall slide block is caused triggers slide block brake, realizes the object of attachment type raise scaffold support body fall arrest.
The utility model provides a kind of slide block type falling proof device of the scaffold for guide rail band crosspiece, utilize the interaction between slide block and spring and scaffold crosspiece, in the time of the normal lifting of scaffold crosspiece, slide block normally front and back slides, do not affect the lifting of scaffold, in the time occurring falling situation, the impact of scaffold crosspiece to slide block, make ratchet depart from stopper slot, slide block inserts rapidly between the crosspiece of scaffold under the effect of its end spring, block crosspiece, thereby solved dexterously anti-fall problem.The utility model meets the requirement of 4.5.3 bar in " building operations tool type scaffold technical specification of security " completely; On per pass adhering supporter, be all provided with one falling proof device, You San road, each lifting seat in the plane adhering supporter, so each seat in the plane Jiu You tri-road fall arrest measures, the each seat in the plane that is better than stipulating in standard has the requirement of one falling proof device at least.Adhering supporter is in circular flow, and each seat in the plane at least also has twice falling proof device.And effectively accomplish to be all provided with at least fall arrest measure of twice under use and two kinds of operating modes of lifting.No matter rise, decline, applying working condition lower frame falls, trigger-type slide block can both pass through theory of mechanics self-actuating brake, without operation manually, thereby has guaranteed the reliability of falling proof device, has effectively eliminated potential safety hazard.This anti-drop device is the structure of a sealing, can adapt to the adverse circumstances of construction site.In addition, the utility model is simple in structure, easy to process, saves material, and repeat usage is high.
It should be noted that, in this article, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.
Claims (3)
1. for a slide block type falling proof device for the scaffold of guide rail band crosspiece, it is characterized in that: comprise body, slide block, ratchet, in body, be provided with slideway, slide block is placed in slideway, and can in slideway, slide axially, and slip front is provided with upper and lower two inclined-planes, top, rear end is provided with stopper slot, end is provided with spring, and spring one end connects body, one end connection sliding block end, spring is in compressive state, stopper slot front upper place is provided with ratchet, and ratchet one end and body are hinged, and the other end is free end; Under normal circumstances, ratchet free end is stuck in stopper slot, in the time of the normal ascending, descending of scaffold, a crosspiece on guide rail is encountered the inclined-plane of slip front, promotes slide block and slides backward, when slide block slides backward, ratchet free end all the time in stopper slot, after crosspiece passes through, slide block under the effect of spring to front slide, slip front inclined-plane reenters the gap between crosspiece, waits for the arrival of next crosspiece; In the time there is falling situation in scaffold, the inclined-plane of crosspiece quick washing slip front, slide block axially slides backward rapidly, impulse click makes the free end of ratchet produce stopper slot, enter rapidly crosspiece in spring action sliding block entirety, the upper plane of slide block is blocked crosspiece, thereby guarantees that scaffold can not continue tenesmus.
2. the slide block type falling proof device of a kind of scaffold for guide rail band crosspiece as claimed in claim 1, is characterized in that: in described body, be also provided with the guiding mechanism of adjusting slide block initial position.
3. the slide block type falling proof device of a kind of scaffold for guide rail band crosspiece as claimed in claim 1, it is characterized in that: described body interior is provided with a location-plate, location-plate is provided with locating hole, on locating hole, be installed with backstay, backstay can slide axially in locating hole, and the front end of backstay is fixedly connected with the end of slide block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707231.7U CN203613782U (en) | 2013-11-11 | 2013-11-11 | Slider anti-falling device for scaffold with guide rail with cross bars |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320707231.7U CN203613782U (en) | 2013-11-11 | 2013-11-11 | Slider anti-falling device for scaffold with guide rail with cross bars |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203613782U true CN203613782U (en) | 2014-05-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320707231.7U Expired - Fee Related CN203613782U (en) | 2013-11-11 | 2013-11-11 | Slider anti-falling device for scaffold with guide rail with cross bars |
Country Status (1)
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|---|---|
| CN (1) | CN203613782U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502240A (en) * | 2015-12-25 | 2016-04-20 | 安徽唐兴机械装备有限公司 | Hydraulic climbing mechanism with safety deadlock function |
| CN106829692A (en) * | 2016-12-13 | 2017-06-13 | 黄河水利职业技术学院 | A kind of electromagnetic power lift appliance and its control method |
| CN106858994A (en) * | 2017-02-21 | 2017-06-20 | 上海大茂晟科技股份有限公司 | A kind of built-in Moveable clothes hanger of luggage case and luggage case |
| CN108222564A (en) * | 2018-03-01 | 2018-06-29 | 安徽火炎焱文化传媒有限公司 | A kind of safe elevator stage |
| CN109131616A (en) * | 2018-09-04 | 2019-01-04 | 深圳市特辰科技股份有限公司 | A kind of slide block type telescopic claw climbing machine and its climb building method |
| CN110092317A (en) * | 2019-05-17 | 2019-08-06 | 侯红杰 | A kind of quick-lift attachreactor for road and bridge construction |
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2013
- 2013-11-11 CN CN201320707231.7U patent/CN203613782U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105502240A (en) * | 2015-12-25 | 2016-04-20 | 安徽唐兴机械装备有限公司 | Hydraulic climbing mechanism with safety deadlock function |
| CN105502240B (en) * | 2015-12-25 | 2018-11-13 | 安徽唐兴机械装备有限公司 | A kind of hydraulic climbing mechanism with dead lock for safety function |
| CN106829692A (en) * | 2016-12-13 | 2017-06-13 | 黄河水利职业技术学院 | A kind of electromagnetic power lift appliance and its control method |
| CN106858994A (en) * | 2017-02-21 | 2017-06-20 | 上海大茂晟科技股份有限公司 | A kind of built-in Moveable clothes hanger of luggage case and luggage case |
| CN108222564A (en) * | 2018-03-01 | 2018-06-29 | 安徽火炎焱文化传媒有限公司 | A kind of safe elevator stage |
| CN109131616A (en) * | 2018-09-04 | 2019-01-04 | 深圳市特辰科技股份有限公司 | A kind of slide block type telescopic claw climbing machine and its climb building method |
| CN109131616B (en) * | 2018-09-04 | 2021-07-20 | 深圳市特辰科技股份有限公司 | Sliding block type telescopic claw stair climbing machine and stair climbing method thereof |
| CN110092317A (en) * | 2019-05-17 | 2019-08-06 | 侯红杰 | A kind of quick-lift attachreactor for road and bridge construction |
| CN110092317B (en) * | 2019-05-17 | 2020-05-15 | 侯红杰 | A quick hoisting device for road and bridge construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140528 Termination date: 20141111 |
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| EXPY | Termination of patent right or utility model |