CN101423185B - Machine station with urgent dropping control device - Google Patents
Machine station with urgent dropping control device Download PDFInfo
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- CN101423185B CN101423185B CN2007101692014A CN200710169201A CN101423185B CN 101423185 B CN101423185 B CN 101423185B CN 2007101692014 A CN2007101692014 A CN 2007101692014A CN 200710169201 A CN200710169201 A CN 200710169201A CN 101423185 B CN101423185 B CN 101423185B
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- board
- ratchet
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- disturbing
- control device
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Abstract
The invention provides a machine station with an emergency anti-fall device, mainly comprising a machine station and an emergency anti-fall device; the machine station comprises a lifting platform, a pulley mechanism and a cable; one end of the cable is fixedly arranged on the lifting platform and the other end thereof surrounds the pulley so as to drive the emergency anti-fall device; the emergency anti-fall device mainly comprises a turbulence ratchet and a unidirectional tenon; the turbulence ratchet and the unidirectional tenon are arranged in the internal space of the anti-fall device where the fluid is filled. Therefore, if the lifting platform falls suddenly, the cable is driven so as to lead the pulley and the turbulence ratchet of the anti-fall device to rotate synchronously, thus driving the end of the unidirectional tenon to stop a diversion ratchet and leading the diversion ratchet and the pulley not to rotate, thereby leading the cable to pull the lifting platform and avoid the lifting platform from falling any more and having the emergency anti-fall efficacy.
Description
Technical field
The invention relates to a kind of anti-drop device, refer to a kind of board with urgent dropping control device that is applicable to especially, it is loaded with the falling suddenly of bay-lift of visual plant in order to prevention.
Background technology
In known work board or equipment, for convenience the operator adjusts equipment on the board in suitable operation height, therefore, can bay-lift be arranged in the design of board body, and equipment is fixedly arranged on the bay-lift.
Generally speaking, bay-lift itself design has securing arrangement, to fix equipment on it in suitable operation height.But because equipment itself has cooresponding weight, during the operator adjusts the equipment height, when the situation generation of misoperation is arranged; Or finish, but when failing securing arrangement locked really in the operation of equipment height adjustment; Even securing arrangement all has the situation that causes device fall to take place when losing efficacy.At the same time, board itself then may cause the injury of personnel and equipment if failed the good preventing measure.
Therefore, the utmost point is treated a kind of invention with urgent dropping control device, and it is loaded with the falling suddenly of board of visual plant in order to prevention.
Summary of the invention
The objective of the invention is to disclose a kind of board with urgent dropping control device, the board that this urgent dropping control device that possesses can prevent to be loaded with visual plant falls suddenly.
For achieving the above object, technical scheme of the present invention is:
A kind of board with urgent dropping control device mainly comprises a board, reaches a urgent dropping control device.
Board includes a bay-lift, reaches a pulley mechanism.Pulley mechanism includes at least one hawser, reaches at least one pulley.Pulley coaxle is installed with a pivot, and pivot is to be hubbed on the board and with pulley to rotate synchronously.Hawser one end is fixedly arranged on bay-lift, and the other end is then around crossing pulley.
Urgent dropping control device, it is fixedly arranged on the board, and urgent dropping control device comprises a upper shell, a lower house, a flow-disturbing ratchet, reaches a unidirectional trip.Upper shell and lower house are combined to form an inner space each other.Then be installed with a fluid in the inner space, this fluid can be air, water or oils etc.. equivalent fluid.
Moreover the inner space comprises a circular room, a honeycomb duct, reaches a storage tank.Honeycomb duct is to be stretched out and be communicated to storage tank along tangent line by circular room outer peripheral edges; In addition, can also replace it with the conduit of honeycomb duct equivalence.Circular room content is provided with the flow-disturbing ratchet, and each blade of flow-disturbing ratchet can be best flow-disturbing camber line through fluid analysis, or fan can be installed in flow-disturbing ratchet side drives the usefulness that fluid enters honeycomb duct to increase.On flow-disturbing ratchet and the coaxial pivot that is fixedly arranged on pulley mechanism and can rotate synchronously.Then be pivoted with unidirectional trip in the storage tank.This unidirectional trip includes an elastic parts, reaches an end.Unidirectional trip includes an end, and wherein, the own wt of unidirectional trip makes this end leave and do not block and stop this flow-disturbing ratchet.Or provide the pre-power of an elasticity to drive the rotation of unidirectional trip by elastic parts, make end leave the flow-disturbing ratchet.
So, if fall suddenly when bay-lift, will related pulling hawser, make pulley and its pivot to rotate synchronously, and drive the rotation of flow-disturbing ratchet at high speed synchronously, and the fluid in the circular room of disturbance flows in the honeycomb duct.And promote unidirectional trip rotation with the pre-power of the elasticity that overcomes its elastic parts, and then the end that impels unidirectional trip can omit to the inner rotation of circular room, card stops the water conservancy diversion ratchet itself and pivot, pulley is all no longer rotated at last, just can hold bay-lift with its hawser this moment and no longer fall, so can have the effect of urgent dropping control.
In addition, a balance weight assembly can be fixedly arranged on the other end of at least one hawser.And above-mentioned bay-lift comprises a slide block, on the end of this this at least one hawser of slide block clamping.Moreover urgent dropping control device can comprise a liner, and gasket clip is located between upper shell and the lower house, in order to the driving fit urgent dropping control device.
And, the inner space of urgent dropping control device includes another storage tank, honeycomb duct is more stretched out by circular room outer peripheral edges and is communicated to another storage tank, be pivoted with a reverse trip in another storage tank, oppositely trip is to drive by the pre-power of the elasticity of another elastic parts to do and the contrarotation of unidirectional trip, away from and do not block and stop the flow-disturbing ratchet.
The flow-disturbing ratchet comprises an axis hole, and pivot comprises an elongated key, an and fixing pin radially, and pivot wears axis hole, and the elongated key can embed and be fixed between flow-disturbing ratchet and the pivot, and radially fixing pin is then radially locked the flow-disturbing ratchet and replaced and fix the elongated key.Urgent dropping control device comprises at least one bearing, and at least one bearing is located in the circular hole of upper shell, and this at least one bearing includes an airtight bearing.
Storage tank is provided with a trunnion, and unidirectional trip is hubbed on the trunnion.
Board with urgent dropping control device of the present invention, the board that this urgent dropping control device that possesses can prevent to be loaded with visual plant falls suddenly, further, can all can reach the urgent dropping control effect in suitable, conter clockwise.
Description of drawings
Fig. 1 is the board scheme drawing of a preferred embodiment of the present invention;
Fig. 2 is the exploded drawings of urgent dropping control device of the present invention;
Fig. 3 is the cutaway view of urgent dropping control device of the present invention;
Fig. 4 is the cutaway view of another embodiment of urgent dropping control device of the present invention.
The primary clustering nomenclature
Urgent dropping control device 2 upper shells 21 circular holes 211
Flow-disturbing ratchet 23 circular room 221,321 axis holes 231
Fixing pin 243 unidirectional trip 25 ends 251 radially
Honeycomb duct 26,36 storage tanks 261,311,312 trunnions 262
Liner 27 pulley mechanisms 3 hawsers 31
Pulley 32 balance weight assemblies 33 forward trips 351
Reverse trip 352
The specific embodiment
See also Fig. 1, it is the board scheme drawing of a preferred embodiment of the present invention.The present invention is a kind of board with urgent dropping control device, mainly includes a board 1, reaches a urgent dropping control device 2.
See also Fig. 2 and consult Fig. 1 in the lump, Fig. 2 is the exploded drawings of urgent dropping control device of the present invention.As shown in Figure 2, the pulley 32 coaxial pivots 24 that are installed with, pivot 24 is to be hubbed on the board 1 and with pulley 32 to rotate synchronously.
As shown in the figure, a urgent dropping control device 2, it is fixedly arranged on the board 1, and urgent dropping control device 2 comprises a upper shell 21, a lower house 22, a flow-disturbing ratchet 23, reaches a unidirectional trip 25.Upper shell 21 is combined to form an inner space 220 each other with lower house 22, and 220 contents are provided with a fluid in the inner space, and wherein, this fluid can be air, water or oils etc., and in this example, this fluid is an air.
As shown in Figure 2, upper shell 21 offers a circular hole 211, one bearings 241 and is located in the circular hole 21 1 of upper shell 21.The pivot 24 of pulley mechanism 3 then pass bearing 241 and with the 23 coaxial pivot joints of flow-disturbing ratchet.In this example, flow-disturbing ratchet 23 comprises an axis hole 231.24 on the pivot that articulates with flow-disturbing ratchet 23 comprises radially fixing pin 243 (being shown in Fig. 3) of an elongated key 242.In this example, bearing 241 is meant an airtight bearing.
After pivot 24 wears the axis hole 231 of flow-disturbing ratchet 23, be embedded in elongated key 242 between the axis hole 231 and pivot 24 of flow-disturbing ratchet 23, be resisted against elongated key 242 with fixing pin 243 radially again, therefore can reach the flow-disturbing ratchet is locked in effect on the pivot.So, flow-disturbing ratchet 23 can coaxially be fixedly arranged on the pivot 24 of pulley mechanism 3, and can rotate synchronously with pivot 24.
As shown in Figure 2, with connecting element 212,213,214,215 is fixing around upper shell 21 and the lower house 22.In addition, be located between upper shell 21 and the lower house 22 with a liner 27 again, to increase the sealing property of urgent dropping control device 2.
See also Fig. 3, it is the cutaway view of urgent dropping control device of the present invention.As shown in the figure, be pivoted with unidirectional trip 25 in the storage tank 261.Unidirectional trip 25 includes an elastic parts 263, reaches an end 251.Wherein, be provided with a trunnion 262 in the storage tank 261, unidirectional trip 25 is hubbed on the trunnion 262.Therefore, the own wt of unidirectional trip 25, can make terminal 251 to leave and do not block and stop this flow-disturbing ratchet 23, or as providing the pre-power of an elasticity to make terminal 251 to leave flow-disturbing ratchet 23 to drive unidirectional trip 25 rotations with elastic parts 263 in this example, elastic parts 263 is meant a compression spring in this example.
As Fig. 1, Fig. 2, and shown in Figure 3, when bay-lift 12 falls suddenly, will related pulling hawser 31, make pulley 32 and its pivot 24 to rotate synchronously, also can drive flow-disturbing ratchet 23 at high speeds rotations this moment synchronously, so but the air-flows in the circular room 221 of disturbance make in its inflow honeycomb duct 26 of taking advantage of a situation.
As shown in Figure 3, because the honeycomb duct 26 of present embodiment is a gradual shrinkage nozzle (nozzle), therefore air-flow tightens with the cross section of exit end 265 gradually via the arrival end 264 of honeycomb duct 26, air-flow is quickened so can promote unidirectional trip 25 rotations with the pre-power of the elasticity that overcomes its elastic parts 263, and then the end 251 that impels unidirectional trip 25 can omit to circular room 221 inner rotations, card stops water conservancy diversion ratchet 2 at last, and make itself and pivot 24, pulley 32 is no longer rotation all, just can hold bay-lift 12 with its hawser 31 this moment and no longer fall, so can have the effect of urgent dropping control.
See also Fig. 4, it is the cutaway view of another embodiment of urgent dropping control device of the present invention.The structure of this embodiment and a last embodiment is roughly the same, only difference is in it and offers two storage tanks 311 in circular room 321 next doors, 312 to be equipped with a forward trip 351 respectively, to reach a reverse trip 352, and there is a shared honeycomb duct 36 to be communicated between circular room 321 and two storage tanks 311,312.So, pass through the driving of this example two torque springs respectively, this routine urgent dropping control device makes forward trip 351 and reverse trip 352 do contrarotation each other, it is left respectively and do not block and stop this flow-disturbing ratchet, so just can all can be reached the urgent dropping control effect in suitable, conter clockwise.
The foregoing description is only given an example for convenience of description, and the interest field that the present invention advocated should be as the criterion so that the protection domain of claim is described certainly, but not only limits to the foregoing description.
Claims (13)
1. the board with urgent dropping control device is characterized in that, comprising:
One board, it includes a bay-lift, reaches a pulley mechanism, this pulley mechanism includes at least one hawser, reaches at least one pulley, this at least one pulley coaxle is installed with a pivot, this pivot is hubbed on this board and with this at least one pulley and rotates synchronously, this at least one hawser one end is fixedly arranged on this bay-lift, and the other end is then around crossing this at least one pulley; And
One urgent dropping control device, it is fixedly arranged on this board, this urgent dropping control device comprises a upper shell, one lower house, one flow-disturbing ratchet, an and unidirectional trip, this upper shell and this lower house are combined to form an inner space each other, this inner space content is provided with a fluid, this inner space comprises a circular room, one honeycomb duct, an and storage tank, this honeycomb duct is stretched out by these circle room outer peripheral edges and is communicated to this storage tank, this circle room content is provided with this flow-disturbing ratchet, on this flow-disturbing ratchet and coaxial this pivot that is fixedly arranged on this pulley mechanism and can rotate synchronously, be pivoted with this unidirectional trip in this storage tank, this unidirectional trip includes an end, and the own wt of this unidirectional trip makes this end leave and do not block and stop this flow-disturbing ratchet; Described honeycomb duct is a gradual shrinkage.
2. board as claimed in claim 1 is characterized in that, more comprises a balance weight assembly, and this balance weight assembly is fixedly arranged on this other end of this at least one hawser.
3. board as claimed in claim 2 is characterized in that this bay-lift comprises a slide block, on this end of this this at least one hawser of slide block clamping.
4. board as claimed in claim 1 is characterized in that this urgent dropping control device more comprises a liner, and this gasket clip is located between this upper shell and this lower house, in order to this urgent dropping control device of driving fit.
5. board as claimed in claim 1 is characterized in that this urgent dropping control device more comprises a plurality of connecting elements, and these a plurality of connecting elements are to fix this upper shell and this lower house.
6. board as claimed in claim 1 is characterized in that, the fluid that is installed with in this inner space that this upper shell and this lower house are combined to form each other is an air.
7. board as claimed in claim 1, it is characterized in that, this inner space of this urgent dropping control device more includes another storage tank, this honeycomb duct is more stretched out by these circle room outer peripheral edges and is communicated to this another storage tank, be pivoted with a reverse trip in this another storage tank, the pre-power of the elasticity of this reverse trip by an elastic parts drives to be done and the contrarotation of this unidirectional trip, away from and do not block and stop this flow-disturbing ratchet.
8. board as claimed in claim 1 is characterized in that, this flow-disturbing ratchet comprises an axis hole; This pivot comprises an elongated key, an and fixing pin radially, and this pivot wears this axis hole, and this elongated key embeds and is fixed between this flow-disturbing ratchet and this pivot, this radially fixing pin then radially lock this flow-disturbing ratchet and replace and fix this elongated key.
9. board as claimed in claim 1 is characterized in that this urgent dropping control device comprises at least one bearing, and this at least one bearing is located in the circular hole of this upper shell.
10. board as claimed in claim 9 is characterized in that, this at least one bearing includes an airtight bearing.
11. board as claimed in claim 1 is characterized in that, this storage tank is provided with a trunnion, and this unidirectional trip is hubbed on this trunnion.
12. board as claimed in claim 1 is characterized in that, this unidirectional trip includes an elastic parts, and this elastic parts provides the pre-power of an elasticity and makes this end leave and do not block and stop this flow-disturbing ratchet to drive should unidirectional trip to rotate.
13. board as claimed in claim 12 is characterized in that, this elastic parts is meant a compression spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101692014A CN101423185B (en) | 2007-11-02 | 2007-11-02 | Machine station with urgent dropping control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007101692014A CN101423185B (en) | 2007-11-02 | 2007-11-02 | Machine station with urgent dropping control device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101423185A CN101423185A (en) | 2009-05-06 |
| CN101423185B true CN101423185B (en) | 2011-02-16 |
Family
ID=40614099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007101692014A Expired - Fee Related CN101423185B (en) | 2007-11-02 | 2007-11-02 | Machine station with urgent dropping control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101423185B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6455672B2 (en) * | 2015-08-17 | 2019-01-23 | 株式会社ダイフク | Lifter |
| JP6819879B2 (en) * | 2017-08-08 | 2021-01-27 | 株式会社ダイフク | Work support device that can be raised and lowered |
| CN114590741B (en) * | 2022-03-07 | 2022-11-25 | 徐州永盛机电有限公司 | Auxiliary mounting device for rear axle of electric tricycle |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2039304U (en) * | 1988-11-23 | 1989-06-14 | 铁道部株洲电力机车工厂 | Electrically-lifted gang board |
| CN2330635Y (en) * | 1997-09-10 | 1999-07-28 | 杨洪武 | Mobile lifting operation table |
| WO2007045640A1 (en) * | 2005-10-18 | 2007-04-26 | O.Me.R. S.P.A. | Lifting platform with a torsion bar |
-
2007
- 2007-11-02 CN CN2007101692014A patent/CN101423185B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2039304U (en) * | 1988-11-23 | 1989-06-14 | 铁道部株洲电力机车工厂 | Electrically-lifted gang board |
| CN2330635Y (en) * | 1997-09-10 | 1999-07-28 | 杨洪武 | Mobile lifting operation table |
| WO2007045640A1 (en) * | 2005-10-18 | 2007-04-26 | O.Me.R. S.P.A. | Lifting platform with a torsion bar |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101423185A (en) | 2009-05-06 |
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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Granted publication date: 20110216 Termination date: 20121102 |