CN202670950U - Elevator falling-prevention mechanism - Google Patents
Elevator falling-prevention mechanism Download PDFInfo
- Publication number
- CN202670950U CN202670950U CN 201220346703 CN201220346703U CN202670950U CN 202670950 U CN202670950 U CN 202670950U CN 201220346703 CN201220346703 CN 201220346703 CN 201220346703 U CN201220346703 U CN 201220346703U CN 202670950 U CN202670950 U CN 202670950U
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- CN
- China
- Prior art keywords
- lifting table
- swivel block
- guidepost
- falling
- conduction chain
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
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Abstract
The utility model discloses an elevator falling-prevention mechanism. An elevator comprises a guide assembly, a driving assembly, a traction assembly and an elevating platform, wherein the falling-prevention mechanism is arranged between the traction assembly and the elevating platform, the guide assembly comprises four vertically arranged guide columns, the traction assembly comprises traction chains respectively arranged along each guide column, the falling-prevention mechanism comprises falling-prevention rotating blocks hinged to one ends of the traction chains through connecting pieces, lower half portions of the rotating blocks are hinged to the elevating platform, each guide column is provided with a plurality of bayonets along the length direction, and lower ends of the rotating blocks are provided with protruding portions. When one or more traction chains are broken, under the action of the eccentric self weight of the rotating blocks, upper portions of the rotating blocks are turned towards the direction close to the elevating platform, and therefore the protruding portions at the lower ends of the rotating blocks are inserted into the bayonets corresponding to current positions, namely the elevating platform is fixed to the current positions, roll-over of the elevating platform is avoided, and personal safety of operational staff is protected.
Description
Technical field
The utility model relates to a kind of hoist falling-proof mechanism.
Background technology
When spray paint in the large-scale workpiece surface to online production on the paint line of spraying paint, adopt often the paint spray booth that is provided with lifting table, so that operating personal stands on this lifting table workpiece is sprayed paint, mostly traditional lifting table is to draw lifting by the conduction chain that is separately positioned on four jiaos, when suddenly fracture occurs in one or more in these conduction chains, whole lifting table is tumbled and bring potential safety hazard, even threaten the life of operating personal.
The utility model content
The purpose of this utility model provides a kind of hoist falling-proof mechanism that can lifting table be scheduled current location when the conduction chain fracture.
For solving the problems of the technologies described above, the utility model adopts following technical scheme:
A kind of hoist falling-proof mechanism, this elevator comprises guidance set, driven unit, traction component and lifting table, this safety dropping prevent mechanism is arranged between described traction component and the described lifting table,
Described guidance set comprises that vertical projection consists of the guidepost of four vertical directions settings of rectangle,
Described traction component comprises the conduction chain that arranges along each described guidepost, and the top of each described guidepost is provided with the one by one corresponding gear that is meshed with each described conduction chain,
Described driven unit comprises the drive motor that drives each described gear rotation,
This safety dropping prevent mechanism comprises the swivel block that is loaded on each described conduction chain lower end by attaching parts, be hinged between described attaching parts and the described swivel block, the middle and lower part of described swivel block is hinged on the described lifting table, the lower end of described swivel block has a protrusion, be distributed with a plurality of bayonet sockets on along its length on each described guidepost, the straight line at two hinge-point places on the described swivel block is as the demarcation line, near the deadweight of a side of described lifting table greater than the deadweight away from a side of described lifting table, when the described conduction chain fracture on top, the top of described swivel block is to the rollover at described lifting table place then described protrusion is inserted in the described bayonet socket on the corresponding current described guidepost.
Preferably, described driven unit comprises each the described drive motor that is arranged on both sides, on the output shaft of two described gears of homonymy with the described drive motor that is installed in corresponding homonymy.
Preferably, described swivel block is triangular in shape, and the hinge-point that the hinge-point of described attaching parts and described swivel block is positioned at an one angle, described lifting table and described swivel block is positioned at another angle, third angle is extended to the direction of described lifting table.
Preferably, the other end of each described conduction chain is furnished with respectively clump weight.
Preferably, the outer setting of described conduction chain has superposed fixed blade guard and can slide the flexible blade guard of setting with respect to described fixed blade guard.
Preferably, the center of described lifting table offers the gathering hole that passes for workpiece, is provided with the protection fence around the described gathering hole.
Preferably, be provided with can be along the roller of its rolling in the position of corresponding each described guidepost on the described lifting table.
The beneficial effects of the utility model are: off-centre installs anti-fall swivel block additional between conduction chain and lifting table; when one or a plurality of conduction chain fracture; thereby swivel block can insert in corresponding each bayonet socket at guidepost the lower end rotating under the effect of eccentric weight; thereby lifting table is scheduled on the current position; prevented effectively that namely lifting table from tumbling, protected the personal safety of the operating personal on it.
Description of drawings
Accompanying drawing 1 is the schematic side view of elevator of the present utility model;
Accompanying drawing 3 is by the view of swivel block in the bayonet socket of current location on the guidepost to lifting table in the accompanying drawing 2;
Accompanying drawing 4 is the schematic top plan view of elevator of the present utility model;
Accompanying drawing 5 is the structural representation of the swivel block in the hoist falling-proof of the present utility model mechanism.
In the 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, protection fence; 14, protrusion.
The specific embodiment
Below in conjunction with embodiment shown in the drawings the utility model is done following detailed description the in detail:
Such as accompanying drawing 1 to shown in the 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 the lifting table 1, guidance set comprises that vertical projection consists of the guidepost 2 of four vertical directions settings of rectangle, traction component comprises the conduction chain 3 that arranges along each guidepost 2, the top of each guidepost 2 is provided with the one by one corresponding gear 4 that is meshed with each conduction chain 3, driven unit comprises the drive motor 5 that drives each gear 4 rotations, this safety dropping prevent mechanism comprises the swivel block 7 that is loaded on each conduction chain 3 lower ends by attaching parts 6, be hinged between attaching parts 6 and the swivel block 7, the middle and lower part of swivel block 7 is hinged on the lifting table 1, the lower end of swivel block 7 has a protrusion 14, be distributed with a plurality of bayonet sockets 8 on along its length on each guidepost 2, the straight line at two hinge-point places on the swivel block 7 is as the demarcation line, near the deadweight of a side of lifting table 1 greater than the deadweight away from a side of lifting table 1, when conduction chain 3 fracture on top, the top of swivel block 7 is to the rollover at lifting table 1 place then protrusion 14 is inserted in the bayonet socket 8 on the corresponding current guidepost 2, and the upper end is stuck in the limit section of lifting table 1, driven unit comprises each drive motor 5 that is arranged on both sides, a kind of optimal way for drive motor 5 is: on the output shaft of two gears 4 with the drive motor 5 that is installed in corresponding homonymy of homonymy, like this in the situation that satisfies the power requirement, saved the cost of mechanism, energy savings, the swivel block 7 that adopts in the present embodiment is triangular in shape, it also can be other shapes such as rhombus, if satisfy condition swivel block 7 can: 1., the bottom has the protrusion 14 suitable with the bayonet socket 8 of guidepost 2; 2., the deadweight with the straight line both sides at the hinge-point place of lifting table 1 and attaching parts 6 does not wait respectively, and near the deadweight of a side of lifting table 1 greater than the deadweight away from a side of 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; third angle is extended to the direction of lifting table 1; the other end of each conduction chain 3 is furnished with respectively clump weight 9; the outer setting of conduction chain 3 has superposed fixed blade guard 10 and can slide the flexible blade guard 11 of setting with respect to fixed blade guard 10; the center of lifting table 1 offers the gathering hole 12 that passes for workpiece; be provided with protection fence 13 around the gathering hole 12, be provided with can be along the roller of its rolling in the position of corresponding each guidepost 2 on the lifting table 1.
During application; when the suddenly fracture of one or several generation in each conduction chain 3; because the deadweight of swivel block 7 both sides is different; the upper end of swivel block 7 is to a lateral overturning at lifting table 1 place; thereby the protrusion 14 that makes its lower end inserts in bayonet socket 8 corresponding to current location on the guideposts 2, has just effectively stopped the phenomenon that lifting table 1 is tumbled, protect the life security of operating personal on the lifting table 1.
Above-described embodiment only is explanation technical conceive of the present utility model and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present utility model and according to this enforcement, can not limit protection domain of the present utility model with this.All equivalences of doing according to the utility model spirit change or modify, and all should be encompassed within the protection domain of the present utility model.
Claims (7)
1. hoist falling-proof mechanism, it is characterized in that: this elevator comprises guidance set, driven unit, traction component and lifting table, this safety dropping prevent mechanism is arranged between described traction component and the described lifting table,
Described guidance set comprises that vertical projection consists of the guidepost of four vertical directions settings of rectangle,
Described traction component comprises the conduction chain that arranges along each described guidepost, and the top of each described guidepost is provided with the one by one corresponding gear that is meshed with each described conduction chain,
Described driven unit comprises the drive motor that drives each described gear rotation,
This safety dropping prevent mechanism comprises the swivel block that is loaded on each described conduction chain lower end by attaching parts, be hinged between described attaching parts and the described swivel block, the middle and lower part of described swivel block is hinged on the described lifting table, the lower end of described swivel block has a protrusion, be distributed with a plurality of bayonet sockets on along its length on each described guidepost, the straight line at two hinge-point places on the described swivel block is as the demarcation line, near the deadweight of a side of described lifting table greater than the deadweight away from a side of described lifting table, when the described conduction chain fracture on top, the top of described swivel block is to the rollover at described lifting table place then described protrusion is inserted in the described bayonet socket on the corresponding current described guidepost.
2. hoist falling-proof according to claim 1 mechanism, it is characterized in that: described driven unit comprises each the described drive motor that is arranged on both sides, on the output shaft of two described gears of homonymy with the described drive motor that is installed in corresponding homonymy.
3. hoist falling-proof according to claim 1 mechanism, it is characterized in that: described swivel block is triangular in shape, and the hinge-point that the hinge-point of described attaching parts and described swivel block is positioned at an one angle, described lifting table and described swivel block is positioned at another angle, third angle is extended to the direction of described lifting table.
4. hoist falling-proof according to claim 1 mechanism, it is characterized in that: the other end of each described conduction chain is furnished with respectively clump weight.
5. hoist falling-proof according to claim 1 mechanism, it 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 with respect to described fixed blade guard.
6. hoist falling-proof according to claim 1 mechanism, it is characterized in that: the center of described lifting table offers the gathering hole that passes for workpiece, is provided with the protection fence around the described gathering hole.
7. the described hoist falling-proof of any one mechanism in 6 according to claim 1 is characterized in that: be provided with can be along the roller of its rolling in the position of corresponding each described guidepost on the described lifting table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220346703 CN202670950U (en) | 2012-07-17 | 2012-07-17 | Elevator falling-prevention mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220346703 CN202670950U (en) | 2012-07-17 | 2012-07-17 | Elevator falling-prevention mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202670950U true CN202670950U (en) | 2013-01-16 |
Family
ID=47491868
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220346703 Withdrawn - After Issue CN202670950U (en) | 2012-07-17 | 2012-07-17 | Elevator falling-prevention mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202670950U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745568A (en) * | 2012-07-17 | 2012-10-24 | 苏州柳溪机电工程有限公司 | Anti-falling mechanism of elevator |
| CN112299335A (en) * | 2020-10-29 | 2021-02-02 | 辽宁忠旺机械设备制造有限公司 | Lifting safety lock structure for upper cover of degassing box |
-
2012
- 2012-07-17 CN CN 201220346703 patent/CN202670950U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102745568A (en) * | 2012-07-17 | 2012-10-24 | 苏州柳溪机电工程有限公司 | Anti-falling mechanism of elevator |
| CN102745568B (en) * | 2012-07-17 | 2015-06-24 | 苏州柳溪机电工程有限公司 | Anti-falling mechanism of elevator |
| CN112299335A (en) * | 2020-10-29 | 2021-02-02 | 辽宁忠旺机械设备制造有限公司 | Lifting safety lock structure for upper cover of degassing box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130116 Effective date of abandoning: 20150624 |
|
| RGAV | Abandon patent right to avoid regrant |