CN201649611U - Anti-falling device for lifting scaffold - Google Patents
Anti-falling device for lifting scaffold Download PDFInfo
- Publication number
- CN201649611U CN201649611U CN2009200746238U CN200920074623U CN201649611U CN 201649611 U CN201649611 U CN 201649611U CN 2009200746238 U CN2009200746238 U CN 2009200746238U CN 200920074623 U CN200920074623 U CN 200920074623U CN 201649611 U CN201649611 U CN 201649611U
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- lifting
- eccentric wheel
- falling
- falling device
- trigger
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Abstract
The utility model relates to a safety device for lifting appliances in building construction, in particular to a safe anti-falling device for a lifting scaffold. The device comprises an anti-falling device, a trigger and other parts, wherein the anti-falling device is fixedly connected to an upper-layer bracket; the trigger is fixedly connected to a bearing frame attached to the lower layer of a lifting frame; an eccentric wheel and a torsion elastic element are fixed on the anti-falling device; the eccentric wheel is arranged coaxially with the torsion elastic element; one end of the torsion elastic element is connected with the eccentric wheel while the other end thereof is connected with the anti-falling device; the outer surface of a friction and contact area of the eccentric wheel and the main frame of a lifting component of the lifting scaffold is a skid-resistant surface; and the main frame of the lifting component of the lifting scaffold passes through the housing of the anti-falling device. The anti-falling device has the advantages of simple structure, light weight, quickness in triggering, shortness in working stroke and working distance, remarkable anti-falling effect, and safety and reliability; moreover, due to light weight, the lifting scaffold movement is especially convenient in layer conversion; and the anti-falling function and the lifting force are related, so that the falling accident caused by manual operation can be efficiently prevented.
Description
Technical field
The utility model relates to the safe falling proof device of a kind of safety device of building operations jacking equipment, particularly a kind of lifting false work.
Background technology
The attached wall lifting false work is to substitute tradition to land the novel construction equipment of scaffold, have that the steel materials are few, work efficiency is high, construction benefit is good, save place around the building, outstanding feature such as easy for installation, quality controllable, safe, be suitable for very much high-rise and super highrise building engineering construction and exterior decoration, but supporting with it anti-dropping safety device does not but pass a test, cause lifting false work a lot of high falling accidents in use to occur, cause the heavy losses of personnel and property, also influenced the further popularization of lifting false work.Known a kind of falling-proof safety device is the click structure, and the accurate performance of the agility of its triggering and braking still is further improved.
The utility model content
The utility model provides a kind of falling-proof safety device of lifting false work, prevents lifting false work in use, the safety device of high-altitude falling accident occurs.
The purpose of this utility model is achieved in that
A kind of falling-proof safety device of lifting false work comprises the anti-falling device that is fixedly connected on the upper layer bracket and is fixedly connected on crane lower floor and adheres to trigger on the bearing support, it is characterized in that:
The anti-falling device seat of anti-falling device is fixed on the upper layer bracket, fixed eccentric and elasticity of torsion element on the anti-falling device seat, eccentric wheel is coaxial with elasticity of torsion element, one end of elasticity of torsion element is connected with eccentric wheel, the other end is connected with the anti-falling device seat, the main frame of eccentric wheel and lifting false work Lift Part, the external surface in the zone of CONTACT WITH FRICTION is a non slip surface, the eccentric wheel axle center is to the distance between the main frame of lifting false work Lift Part, to its distance from axle center distal-most end edge, the main frame of lifting false work Lift Part passes from the anti-falling device shell less than the eccentric wheel axle center.
Trigger is fixedly connected on the crane lower floor bearing support by the trigger seat, and the lower end of compression elastic element is connected the bottom of trigger, and the upper end of compression elastic element connects a hanging axis.
A hinged flexible connecting member between hanging axis and the eccentric outer rim.
Upper layer bracket is crane upper strata bearing support or lifting leading truck.
Elasticity of torsion element is wind spring or torsion spring.
Non slip surface has serrate slot or flower shape groove.
Compression elastic element is spring, bourdon tube or elastic bellows.
Flexible connecting member can be wire rope or steel strand.
Eccentric outer rim connects a pull bar, by the hinged flexible connecting member of pull bar.
The falling-proof safety device of this lifting false work partly is made up of anti-falling device and trigger etc.; Anti-falling device is installed on crane upper strata bearing support or the lifting leading truck, part such as anti-falling device is mainly formed mount pad, eccentric wheel and elasticity of torsion element; Eccentric wheel and elasticity of torsion element composition compress separating mechanism; Anti-falling device has eccentric wheel, is pressed on the main frame of lifting false work Lift Part on the one hand by elasticity of torsion element, separates with main frame by the flexible connecting member that is connected with trigger on the other hand; When lifting force is arranged, the compression elastic element compression, hanging axis descends, and the main frame that drives eccentric wheel and lifting false work Lift Part breaks away from, and allows the lifting false work lifting; When not having lifting force or lifting force not enough, compression elastic element is in initial position, and eccentric wheel is pressed on the main frame of lifting false work Lift Part, prevents to fall; Lifting force disappears or is lower than when setting value, and eccentric wheel rotates around dead axle, is pressed on by elasticity of torsion element on the main frame of lifting false work Lift Part, with the lifting false work stop; When lifting force reaches setting value, overcome the active force of elasticity of torsion element, eccentric wheel breaks away from around the main frame of dead axle rotation with the lifting false work Lift Part, allows the lifting false work lifting, and the eccentric wheel outer rim is a non-smooth surface.
Trigger is installed in lower floor's bearing position of lifting false work, and trigger mainly is made up of trigger seat, compression elastic element and hanging axis etc.; Hanging axis is bearing on the trigger seat by compression elastic element, and the upper end is connected with the anti-falling device eccentric wheel by flexible connecting member, and the lower end is as lifting false work lifting appliance supporting-point; The hanging axis of trigger is supported by compression elastic element, and an end links with the anti-falling device eccentric wheel is flexible, and an end hangs or attachment point as lifting appliance, and hanging axis supports by compression elastic element, constitutes and the related trigger mechanism of lifting force.
Promote or the decline state, lifting appliance produces lifting force, produces downward pulling force simultaneously in the hanging axis lower end, the compression of trigger flexible member, hanging axis descends, and rotates by flexible connecting member pulling eccentric wheel, break away from the main frame of lifting false work Lift Part, lifting false work can lifting.
The utility model is compared with other anti-falling device, simple in structure, in light weight, trigger rapidly, the effect stroke is short, the fall arrest effect is obvious, because it is in light weight, moving when special easy of rise scaffold changes layer, fall arrest and lifting force interrelate, and can effectively prevent the falling accident that manual operation causes, operating distance is short, and is safe and reliable.
Description of drawings
Fig. 1 is a structural principle schematic diagram of the present utility model.
Reference numeral: 1, the main frame 3 of catching device seat 2, lifting false work Lift Part, eccentric wheel 4, elasticity of torsion element 5, flexible connecting member 6, upper layer bracket 7, hanging axis 8, trigger seat 9, compression elastic element 10, frame lower floor bearing support 11, pull bar 12, catching device shell climb.
The specific embodiment
The falling-proof safety device of a kind of lifting false work of the utility model, comprise anti-falling device that is fixedly connected on the upper layer bracket 6 and the trigger that is fixedly connected on the crane lower floor bearing support 10, upper layer bracket 6 is adhered to bearing support or lifting leading truck for the crane upper strata.
The anti-falling device seat 1 of anti-falling device is positioned at the crane upper strata and adheres on bearing support or the lifting leading truck, fixed eccentric 3 and elasticity of torsion element 4 on the anti-falling device seat 1, elasticity of torsion element 4 is clockwork springs, wind spring or torsion spring, eccentric wheel 3 is coaxial with elasticity of torsion element 4, one end of elasticity of torsion element 4 is connected with eccentric wheel 3, the other end is connected with anti-falling device seat 1, eccentric wheel 3 is a non slip surface with the external surface in the main frame 2 CONTACT WITH FRICTION zones of lifting false work Lift Part, non slip surface has serrate slot or flower shape groove, eccentric wheel 3 axle center are to the distance between the main frame 2 of lifting false work Lift Part, less than between eccentric wheel 3 axle center from the distance of axle center distal-most end edge, the main frame 2 of lifting false work Lift Part passes from anti-falling device shell 12.
Trigger is fixedly connected on the crane lower floor bearing support 10 by trigger seat 8, and the lower end of compression elastic element 9 is connected the bottom of trigger seat 8, and the upper end of compression elastic element 9 connects hanging axis 7, and compression elastic element 9 is spring, bourdon tube or elastic bellows.
A hinged flexible connecting member 5 between the outer rim of hanging axis 7 and eccentric wheel 3, flexible connecting member 5 is wire rope or steel strand, the outer rim of eccentric wheel 3 also can connect a pull bar 11, by pull bar 11 hinged flexible connecting members 5.
The lower end of hanging axis 7 is the supporting-point of lifting appliance, thereby produce pulling force in hanging axis 7 lower ends, under normal circumstances, hanging axis 7 downward pulling force reduce, compression elastic element 9 elongations of trigger, hanging axis is risen, flexible connecting member 5 is lax, eccentric wheel 3 is by eccentric structure and profile of tooth or the effect of flower shape groove, under 4 effects of elasticity of torsion element, be pressed on the main frame 2 of lifting false work Lift Part, the main frame 2 relative lifting leading trucks declines when the lifting false work Lift Part produce the situation of displacement, the main frame 2 of lifting false work Lift Part drives eccentric wheel 3 and rotates, displacement is big more, and the thrust of the main frame 2 of 3 pairs of lifting false work Lift Parts of eccentric wheel is big more, plays the fall arrest effect.
Lifting appliance produces lifting force, on hanging axis 7, produce downward pulling force, under the enough big situation of pulling force, overcome the elastic force of elasticity of torsion element 4 and compression elastic element 9, hanging axis 7 is descended, drive eccentric wheel 3 by flexible connecting member 5 and rotate, the eccentric wheel 3 and the main frame 2 of lifting false work Lift Part are disengaged, the permission lifting false work promotes or descends.
Claims (1)
1. the falling-proof safety device of a lifting false work, comprise catching device that is fixedly connected on the upper layer bracket (6) and the trigger that is fixedly connected on the frame lower floor bearing support (10) that climbs, it is characterized in that: the anti-falling device seat (1) of anti-falling device is fixed on the upper layer bracket (6), anti-falling device seat (1) is gone up fixed eccentric (3) and elasticity of torsion element (4), eccentric wheel (3) is coaxial with elasticity of torsion element (4), and an end of elasticity of torsion element (4) and eccentric wheel (3) be connected, the other end is connected with anti-falling device seat (1), eccentric wheel (3) is a non slip surface with the external surface in the zone of main frame (2) CONTACT WITH FRICTION of lifting false work Lift Part, eccentric wheel (3) axle center is to the distance between the main frame (2) of lifting false work Lift Part, to its distance from axle center distal-most end edge, the main frame of lifting false work Lift Part (2) passes from anti-falling device shell (12) less than eccentric wheel (3) axle center; Trigger is fixedly connected on the frame lower floor bearing support (10) that climbs by trigger seat (8), and the lower end of compression elastic element (9) is connected the bottom of trigger seat (8), and the upper end of compression elastic element (9) connects hanging axis (7); Hinged flexible connecting member (5) between the outer rim of hanging axis (7) and eccentric wheel (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200746238U CN201649611U (en) | 2009-10-16 | 2009-10-16 | Anti-falling device for lifting scaffold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200746238U CN201649611U (en) | 2009-10-16 | 2009-10-16 | Anti-falling device for lifting scaffold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201649611U true CN201649611U (en) | 2010-11-24 |
Family
ID=43114840
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200746238U Expired - Fee Related CN201649611U (en) | 2009-10-16 | 2009-10-16 | Anti-falling device for lifting scaffold |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201649611U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061497A (en) * | 2012-12-11 | 2013-04-24 | 河南工业职业技术学院 | Working-condition self-adaptive lifting and falling-prevention device of scaffold |
| CN108730396A (en) * | 2017-11-22 | 2018-11-02 | 江苏核电有限公司 | Falling proof device in spent nuclear fuel in nuclear power plant transfer container lifting transportational process |
| CN109110703A (en) * | 2018-09-27 | 2019-01-01 | 无锡星亿智能环保装备股份有限公司 | A kind of braking safety device for elevating mechanism |
| CN112273780A (en) * | 2020-10-22 | 2021-01-29 | 扬州工业职业技术学院 | Building construction shoes capable of preventing high-altitude falling |
-
2009
- 2009-10-16 CN CN2009200746238U patent/CN201649611U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103061497A (en) * | 2012-12-11 | 2013-04-24 | 河南工业职业技术学院 | Working-condition self-adaptive lifting and falling-prevention device of scaffold |
| CN103061497B (en) * | 2012-12-11 | 2016-03-30 | 河南工业职业技术学院 | The lifting of a kind of operating mode self-adapting type scaffold and anti-drop device |
| CN108730396A (en) * | 2017-11-22 | 2018-11-02 | 江苏核电有限公司 | Falling proof device in spent nuclear fuel in nuclear power plant transfer container lifting transportational process |
| CN109110703A (en) * | 2018-09-27 | 2019-01-01 | 无锡星亿智能环保装备股份有限公司 | A kind of braking safety device for elevating mechanism |
| CN112273780A (en) * | 2020-10-22 | 2021-01-29 | 扬州工业职业技术学院 | Building construction shoes capable of preventing high-altitude falling |
| CN112273780B (en) * | 2020-10-22 | 2021-09-24 | 扬州工业职业技术学院 | Building construction shoes capable of preventing high-altitude falling |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| DD01 | Delivery of document by public notice |
Addressee: Wu Ming Document name: Notification to Pay the Fees |
|
| DD01 | Delivery of document by public notice |
Addressee: Wu Ming Document name: Notification of Termination of Patent Right |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20131016 |