CN102745568B - Anti-falling mechanism of elevator - Google Patents
Anti-falling mechanism of elevator Download PDFInfo
- Publication number
- CN102745568B CN102745568B CN201210247615.5A CN201210247615A CN102745568B CN 102745568 B CN102745568 B CN 102745568B CN 201210247615 A CN201210247615 A CN 201210247615A CN 102745568 B CN102745568 B CN 102745568B
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- China
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- lifting table
- swivel block
- guidepost
- conduction chain
- proof mechanism
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Abstract
The invention discloses an anti-falling mechanism of an elevator. The elevator comprises an orientation assembly, a driving assembly, a traction assembly and an elevation platform, wherein the anti-falling mechanism is arranged between the traction assembly and the elevation platform; the orientation assembly comprises four vertically arranged orientation columns; the traction assembly comprises traction chains which are arranged along each orientation column respectively; the anti-falling mechanism comprises anti-falling rotary blocks which are hinged at one end of the traction chains through connecting pieces; the middle and lower parts of the rotary blocks are connected with the elevation platform; a plurality of clamping ports are distributed on the orientation columns along the length direction; the lower ends of the rotary blocks are provided with protuberance parts; and when one or more traction chains are broken, under the action of eccentric self-weights of the rotary blocks, the upper parts of the rotary blocks turn along the direction close to the elevation platform, so that protuberance parts at the lower parts are inserted into the clamping port at corresponding current positions, i.e., the elevation platform is positioned at a current position, so that the elevation platform is prevented from tipping over, and the safety of operation personnel on the elevation platform is protected.
Description
Technical field
the present invention relates to a kind of hoist falling-proof mechanism.
Background technology
spray paint sprayed paint in the large-scale workpiece surface of online production in paint line time, adopt the paint spray booth being provided with lifting table often, so that operating personal stands on this lifting table, workpiece is sprayed paint, mostly traditional lifting table is that the conduction chain by being separately positioned on corner draws lifting, when one or more in these conduction chains occur to rupture suddenly, whole lifting table will be made to tumble and bring potential safety hazard, even threaten the life of operating personal.
Summary of the invention
the object of this invention is to provide a kind of hoist falling-proof mechanism that when fracture occurs conduction chain, lifting table can be scheduled current location.
for solving the problems of the technologies described above, the present invention adopts following technical scheme:
a kind of hoist falling-proof mechanism, this elevator comprises guidance set, driven unit, traction component and lifting table, and this safety dropping prevent mechanism is arranged between described traction component and described lifting table,
described guidance set comprises the guidepost that vertical projection forms four vertical directions settings of rectangle,
described traction component comprises the conduction chain arranged along the guidepost described in each, and the top of the guidepost described in each is provided with the gear that one_to_one corresponding is meshed with the conduction chain described in each,
described driven unit comprises the drive motor of the pinion rotation driven described in each,
this safety dropping prevent mechanism comprises the swivel block being loaded on the conduction chain lower end described in each by attaching parts, be hinged between described attaching parts and described swivel block, the middle and lower part of described swivel block is hinged on described lifting table, the lower end of described swivel block has a protrusion, on guidepost described in each along its length on be distributed with multiple bayonet socket, with the straight line at the hinge-point place of two on described swivel block for demarcation line, deadweight near the side of described lifting table is greater than the deadweight of the side away from described lifting table, when there is fracture in the conduction chain described in top, side upset from the top of described swivel block to described lifting table place and make described protrusion insert corresponding current described in guidepost on described in bayonet socket in.
preferably, described driven unit comprises the drive motor described in each being arranged on both sides, and the gear described in two of homonymy is with being arranged on the output shaft of described drive motor of corresponding homonymy.
preferably, described swivel block is triangular in shape, and the hinge-point of described attaching parts and described swivel block is positioned at an one angle, the hinge-point of described lifting table and described swivel block is positioned at another angle, the direction of lifting table described in the 3rd angle extends.
preferably, the other end of each described conduction chain is furnished with clump weight respectively.
preferably, the outer setting of described conduction chain has superposed fixed blade guard and can slide the flexible blade guard of setting relative to described fixed blade guard.
preferably, the center of described lifting table offers the gathering hole passed for workpiece, and the surrounding of described gathering hole is provided with protection fence.
preferably, on described lifting table, the position of corresponding guidepost described in each is provided with the roller that can roll along it.
beneficial effect of the present invention is: between conduction chain and lifting table, bias installs anti-fall swivel block additional; as one or multiple conduction chain generation fracture; swivel block can rotate thus make lower end insert correspondence in each bayonet socket of guidepost under the effect of eccentric weight; thus by lifting table on current position; namely effectively prevent lifting table to tumble, protect the personal safety of the operating personal on it.
Accompanying drawing explanation
accompanying drawing 1 is the schematic side view of elevator of the present invention;
accompanying drawing 2 is the A place enlarged diagram (under the state that lifting table is drawn by conduction chain) in accompanying drawing 1;
accompanying drawing 3 is by the view in the bayonet socket of swivel block current location on guidepost to lifting table in accompanying drawing 2;
accompanying drawing 4 is the schematic top plan view of elevator of the present invention;
accompanying drawing 5 is the structural representation of the swivel block in hoist falling-proof mechanism of the present invention.
in accompanying drawing: 1, lifting table; 2, guidepost; 3, conduction chain; 4, gear; 5, drive motor; 6, attaching parts; 7, swivel block; 8, bayonet socket; 9, clump weight; 10, fixed blade guard; 11, flexible blade guard; 12, gathering hole; 13, fence is protected; 14, protrusion.
Detailed description of the invention
below in conjunction with embodiment shown in the drawings, the present invention is described in detail below:
as shown in accompanying drawing 1 to accompanying drawing 5, a kind of hoist falling-proof mechanism, this elevator comprises guidance set, driven unit, traction component and lifting table 1, this safety dropping prevent mechanism is arranged between traction component and lifting table 1, guidance set comprises the guidepost 2 that vertical projection forms four vertical directions settings of rectangle, traction component comprises the conduction chain 3 arranged along each guidepost 2, the top of each guidepost 2 is provided with the gear 4 that one_to_one corresponding is meshed with each conduction chain 3, driven unit comprises the drive motor 5 driving each gear 4 to rotate, this safety dropping prevent mechanism comprises the swivel block 7 being loaded on each conduction chain 3 lower end by attaching parts 6, be hinged between attaching parts 6 and swivel block 7, the middle and lower part of swivel block 7 is hinged on lifting table 1, the lower end of swivel block 7 has a protrusion 14, on each guidepost 2 along its length on be distributed with multiple bayonet socket 8, with the straight line at the hinge-point place of two on swivel block 7 for demarcation line, deadweight near the side of lifting table 1 is greater than the deadweight of the side away from lifting table 1, when there is fracture in the conduction chain 3 on top, side upset from the top of swivel block 7 to lifting table 1 place and protrusion 14 is inserted on corresponding current guidepost 2 bayonet socket 8 in, and upper end is stuck in the edge of lifting table 1, driven unit comprises each drive motor 5 being arranged on both sides, a kind of optimal way for drive motor 5 is: two gears 4 of homonymy are with being arranged on the output shaft of drive motor 5 of corresponding homonymy, like this when meeting power demand, save the cost of mechanism, economize energy, the swivel block 7 adopted in the present embodiment is triangular in shape, it also can be other shapes such as rhombus, as long as meet condition swivel block 7 can: 1., bottom has the protrusion 14 suitable with the bayonet socket 8 of guidepost 2, 2., respectively with the deadweight of the straight line both sides at the hinge-point place of lifting table 1 and attaching parts 6 not etc., and the deadweight near the side of lifting table 1 is greater than the deadweight of the side away from lifting table 1.Attaching parts 6 is positioned at an one angle with the hinge-point of swivel block 7, lifting table 1 is positioned at another angle with the hinge-point of swivel block 7, the direction of the 3rd angle lifting table 1 extends, the other end of each conduction chain 3 is furnished with clump weight 9 respectively, the outer setting of conduction chain 3 has superposed fixed blade guard 10 and can slide the flexible blade guard 11 of setting relative to fixed blade guard 10, the center of lifting table 1 offers the gathering hole 12 passed for workpiece, the surrounding of gathering hole 12 is provided with protection fence 13, on lifting table 1, the position of each guidepost 2 corresponding is provided with the roller that can roll along it.
during application; when one or several in each conduction chain 3 occurs to rupture suddenly; because the deadweight of swivel block 7 both sides is different; the upper end of swivel block 7 overturns to the side at lifting table 1 place; thus make the protrusion 14 of its lower end insert in the bayonet socket 8 that on guidepost 2, current location is corresponding, just effectively stop the phenomenon that lifting table 1 is tumbled, the life security protecting operating personal on lifting table 1.
above-described embodiment, only for technical conceive of the present invention and feature are described, its object is to person skilled in the art can be understood content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences done according to the present invention's spirit change or modify, and all should be encompassed within protection scope of the present invention.
Claims (6)
1. a hoist falling-proof mechanism, is characterized in that: this elevator comprises guidance set, driven unit, traction component and lifting table, and this safety dropping prevent mechanism is arranged between described traction component and described lifting table,
Described guidance set comprises the guidepost that vertical projection forms four vertical directions settings of rectangle,
Described traction component comprises the conduction chain arranged along the guidepost described in each, and the top of the guidepost described in each is provided with the gear that one_to_one corresponding is meshed with the conduction chain described in each,
Described driven unit comprises the drive motor of the pinion rotation driven described in each,
This safety dropping prevent mechanism comprises the swivel block being loaded on the conduction chain lower end described in each by attaching parts, be hinged between described attaching parts and described swivel block, the middle and lower part of described swivel block is hinged on described lifting table, the lower end of described swivel block has a protrusion, on guidepost described in each along its length on be distributed with multiple bayonet socket, with the straight line at the hinge-point place of two on described swivel block for demarcation line, deadweight near the side of described lifting table is greater than the deadweight of the side away from described lifting table, when there is fracture in the conduction chain described in top, side upset from the top of described swivel block to described lifting table place and make described protrusion insert corresponding current described in guidepost on described in bayonet socket in, on described lifting table, the position of corresponding guidepost described in each is provided with the roller that can roll along it.
2. hoist falling-proof mechanism according to claim 1, it is characterized in that: described driven unit comprises the drive motor described in each being arranged on both sides, the gear described in two of homonymy is with being arranged on the output shaft of described drive motor of corresponding homonymy.
3. hoist falling-proof mechanism according to claim 1, it is characterized in that: described swivel block is triangular in shape, the hinge-point of described attaching parts and described swivel block is positioned at an one angle, the hinge-point of described lifting table and described swivel block is positioned at another angle, the direction of lifting table described in the 3rd angle extends.
4. hoist falling-proof mechanism according to claim 1, is characterized in that: the other end of each described conduction chain is furnished with clump weight respectively.
5. hoist falling-proof mechanism according to claim 1, is characterized in that: the outer setting of described conduction chain has superposed fixed blade guard and can slide the flexible blade guard of setting relative to described fixed blade guard.
6. hoist falling-proof mechanism according to claim 1, is characterized in that: the center of described lifting table offers the gathering hole passed for workpiece, and the surrounding of described gathering hole is provided with protection fence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210247615.5A CN102745568B (en) | 2012-07-17 | 2012-07-17 | Anti-falling mechanism of elevator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210247615.5A CN102745568B (en) | 2012-07-17 | 2012-07-17 | Anti-falling mechanism of elevator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102745568A CN102745568A (en) | 2012-10-24 |
| CN102745568B true CN102745568B (en) | 2015-06-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210247615.5A Active CN102745568B (en) | 2012-07-17 | 2012-07-17 | Anti-falling mechanism of elevator |
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| Country | Link |
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| CN (1) | CN102745568B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129694B (en) * | 2013-12-14 | 2016-06-08 | 广西云高智能停车设备有限公司 | Process safety catcher |
| CN107128770B (en) * | 2017-05-11 | 2019-01-15 | 合肥工业大学 | One kind being used for vertical-lift elevator anti-falling self-locking device |
| CN107380957A (en) * | 2017-08-17 | 2017-11-24 | 浙江小伦制药机械有限公司 | A kind of anti-falling mechanism of elevator |
| CN109229596B (en) * | 2018-08-15 | 2023-08-22 | 四川省绵竹兴远特种化工有限公司 | Protection device for rotary buckle machine in emulsion explosive production line |
| CN108792900B (en) * | 2018-08-31 | 2024-04-23 | 苏州市康鼎升降机械有限公司 | Lifting operation platform with low accident rate |
| CN108840197B (en) * | 2018-08-31 | 2024-04-19 | 苏州市康鼎升降机械有限公司 | Safety anti-falling mechanism of lifting operation platform |
| CN108821046B (en) * | 2018-09-05 | 2024-04-19 | 苏州市康鼎升降机械有限公司 | Guide rail type lifting operation platform |
| CN109516332B (en) * | 2018-12-12 | 2020-06-12 | 浙江鲸叹科技有限公司 | Cage anti-falling net bag |
| CN109850818A (en) * | 2019-03-28 | 2019-06-07 | 北京奥普科星技术有限公司 | A kind of three-dimensional mobile lifting device for ascending a height |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US289905A (en) * | 1883-12-11 | Safety | ||
| CN202670950U (en) * | 2012-07-17 | 2013-01-16 | 苏州柳溪机电工程有限公司 | Elevator falling-prevention mechanism |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB0918754D0 (en) * | 2009-10-26 | 2009-12-09 | Adams William M | Locking assembly for lifting apparatus |
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2012
- 2012-07-17 CN CN201210247615.5A patent/CN102745568B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US289905A (en) * | 1883-12-11 | Safety | ||
| CN202670950U (en) * | 2012-07-17 | 2013-01-16 | 苏州柳溪机电工程有限公司 | Elevator falling-prevention mechanism |
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| Publication number | Publication date |
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| CN102745568A (en) | 2012-10-24 |
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