CN205527532U - Lifting mechanism of automotive test rack - Google Patents
Lifting mechanism of automotive test rack Download PDFInfo
- Publication number
- CN205527532U CN205527532U CN201620304771.4U CN201620304771U CN205527532U CN 205527532 U CN205527532 U CN 205527532U CN 201620304771 U CN201620304771 U CN 201620304771U CN 205527532 U CN205527532 U CN 205527532U
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- CN
- China
- Prior art keywords
- pin bushing
- guide pin
- lifting
- crossbeam
- lifting mechanism
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Abstract
The utility model discloses a lifting mechanism of automotive test rack, including lifting the crossbeam, lifting power unit and guide bar, it is used for the drive to lift the crossbeam lifting to lift power unit, the both ends that lift the crossbeam are located to the guide bar, the guide bar has cup jointed the guide pin bushing, it is equipped with the guiding hole to lift the crossbeam both ends, the guide pin bushing cover fits in the guiding hole, the guide pin bushing is guide bar and guiding hole slip relatively. Adopt the utility model discloses, owing to all leave predetermined gap between guide pin bushing and guiding hole and the guide bar, the guide pin bushing can along with lift the crossbeam when descending the swing and micro -adjustment carries out, make lifting mechanism be difficult to appear extremely auto -lock of hard card, it is smooth -going to guarantee still to go up and down under the unbalanced condition of lifting mechanism atress, job stabilization is reliable.
Description
Technical field
This utility model relates to automotive inspection equipment field, particularly relates to the lifting mechanism of a kind of automotive test stand.
Background technology
In automotive check industry, it is often necessary to wheel of the bus is stuck in the middle of before and after's cylinder, in order to carry out every detection on testboard bay.Before test starts, it is necessary to lifting device being fallen, lifting device must be utilized after being completed to be raised by wheel of the bus, automobile can successfully leave testboard bay.
At present, as it is shown in figure 1, on market the lifting device of many testboard bays all use monoblock type, across the left and right wheels of bearing automobile.It addition, as in figure 2 it is shown, also having the lifting device of some testboard bays on market is to use split left and right formula, carry left and right wheels respectively.
For using the lifting device of integral design, its benefit is exactly the center of gravity of automobile close proximity to the center of lifting beam, thus can to reduce the moment toppled, rises with making automobile balance.Major part producer is all to use this design at present.But this design is across whole stand, compares and takies place, design and in-site installation are made troubles；The lifting beam that processing span is so grown, brings difficulty to manufacture.
For using the lifting device of split left and right formula, it benefit take local few exactly, the structure that testboard bay separates left and right two halves still can be suitable for, and shorter spans reduces the difficulty of manufacture.But this design is still hard to implement in practice, because once using split type, the weight of automobile is directly pressed in by wheel on certain application point of lifting beam, and the distance that this application point is from the center of lifting beam is uncertain, it is to be determined by the wheel center width of automobile and stand, therefore its bad control of tilting moment produced.When tilting moment is bigger, lifting beam mechanism may be stuck, it is impossible to normally lifts.
Summary of the invention
Technical problem to be solved in the utility model is, it is provided that the lifting mechanism of a kind of automotive test stand, uses the design of split left and right formula, it is possible to save space, ensure still to lift smooth-going simultaneously in the case of lifting mechanism stress is unbalanced, stable and reliable in work.
In order to solve above-mentioned technical problem, this utility model provides the lifting mechanism of a kind of automotive test stand, including hoisting crossbeam, lifting power mechanism and guide post, described lifting power mechanism is used for driving hoisting crossbeam lifting, the two ends of hoisting crossbeam are located at by described guide post, and described guide post is socketed with guide pin bushing, and described hoisting crossbeam two ends are provided with pilot hole, described guide pin bushing is sleeved in described pilot hole, and described guide pin bushing can be oppositely oriented bar and pilot hole slides.
As the improvement of such scheme, described guide post top is provided with block, is provided with compression spring between described block and guide pin bushing.
As the improvement of such scheme, described guide pin bushing is produced and continues downforce by described compression spring.
As the improvement of such scheme, described guide pin bushing upper end is provided with horizontal annular portion, and described horizontal annular portion can be locked to described pilot hole top.
As the improvement of such scheme, described hoisting crossbeam is additionally provided with position-limit mechanism.
As the improvement of such scheme, described lifting mechanism is located between two cylinders.
As the improvement of such scheme, described lifting power mechanism includes being located at any one of hydraulic cylinder, cylinder or the air bag below described hoisting crossbeam.
Implement this utility model, have the advantages that
Guide post described in the utility model is socketed with guide pin bushing, and described hoisting crossbeam two ends are provided with pilot hole, and described guide pin bushing is sleeved in described pilot hole, and described guide pin bushing can be oppositely oriented bar and pilot hole slides.Owing to all leaving predetermined gap between guide pin bushing and pilot hole and guide post, guide pin bushing can be finely adjusted joint along with swing when hoisting crossbeam declines, and makes lifting mechanism be not easy the dead self-locking of hard card occur.
Guide post top described in the utility model is provided with block, is provided with compression spring between described block and guide pin bushing.Described compression spring applies a lasting downforce by guide pin bushing to hoisting crossbeam, and when hoisting crossbeam declines, compression spring can gradually discharge the elastic potential energy of its savings, and be as the swing of hoisting crossbeam decline and discharge, if hoisting crossbeam one end declines comparatively fast, elastic force near the compression spring of this end can be less than the elastic force of the compression spring of the other end, thus this one end slowed down under promoting accelerates to decline, to reach the purpose that hoisting crossbeam steadily declines.
Accompanying drawing explanation
Fig. 1 is the working state schematic representation of existing monoblock type testboard bay；
Fig. 2 is the work shape signal state figure of existing split type testboard bay；
Fig. 3 is the overall structure figure of automotive test stand of the present utility model；
Fig. 4 is the structural representation of the lifting mechanism of this utility model a kind of automotive test stand；
Fig. 5 is the structural representation figure at another visual angle of the lifting mechanism of this utility model a kind of automotive test stand；
Fig. 6 is the A portion enlarged drawing of Fig. 5.
Detailed description of the invention
For making the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing, this utility model is described in further detail.Only this statement, this utility model occur in the text or i.e. will appear from up, down, left, right, before and after, the orientation word such as inside and outside, only on the basis of accompanying drawing of the present utility model, it is not to concrete restriction of the present utility model.
As shown in figures 3 to 6, this utility model embodiment provides the lifting mechanism of a kind of automotive test stand, it is located between two cylinders, including hoisting crossbeam 5, lifting power mechanism 6 and guide post 3, described lifting power mechanism 6 is used for driving hoisting crossbeam 5 lifting, the two ends of hoisting crossbeam 5 are located at by described guide post 3, described guide post 3 is socketed with guide pin bushing 4, described hoisting crossbeam 5 two ends are provided with pilot hole 8, described guide pin bushing 4 is sleeved in described pilot hole 8, and described guide pin bushing 4 can be oppositely oriented bar 3 and pilot hole 8 slides.Described guide pin bushing 4 upper end is provided with horizontal annular portion 41, and described horizontal annular portion 41 can be locked to described pilot hole 8 top.
Guide post 3 described in the utility model is socketed with guide pin bushing 4, and described hoisting crossbeam 5 two ends are provided with pilot hole 8, and described guide pin bushing 4 is sleeved in described pilot hole 8, and described guide pin bushing 4 can be oppositely oriented bar 3 and pilot hole 8 slides.Owing to all leaving predetermined gap between guide pin bushing 4 and pilot hole 8 and guide post 3, guide pin bushing 4 can be finely adjusted joint along with swing when hoisting crossbeam 5 declines, and makes lifting mechanism be not easy the dead self-locking of hard card occur.
Preferably, described guide post 3 top is provided with block 1, is provided with compression spring 2 between described block 1 and guide pin bushing 4.Described guide pin bushing 4 is produced and continues downforce by described compression spring 2.Described compression spring 2 applies a lasting downforce by guide pin bushing 4 to hoisting crossbeam 5, and when hoisting crossbeam 5 declines, compression spring 2 can gradually discharge the elastic potential energy of savings, and it discharges in response to the swing of hoisting crossbeam 5 decline.If hoisting crossbeam 5 one end declines comparatively fast, the elastic force near the compression spring of this end can be less than the elastic force of the compression spring of the other end, thus this one end slowed down under promoting accelerates to decline, to reach the purpose that hoisting crossbeam 5 steadily declines.
Preferably, described hoisting crossbeam 5 is additionally provided with position-limit mechanism 7.Described lifting power mechanism 6 is any one being located at hydraulic cylinder, cylinder or air bag (air spring) below described hoisting crossbeam 5.As a example by hydraulic cylinder, described hydraulic cylinder and position-limit mechanism 7 are arranged on the lower section of hoisting crossbeam 5 the most symmetrically, provide lifting power and lift height to limit for whole lifting mechanism.
Work process of the present utility model is as follows:
Before tested vehicle sails into, hoisting crossbeam 5, under the promotion of lifting power mechanism 6, gives rise to restriction site.When tested vehicle sails between detection equipment two cylinder, and when being parked in the top of hoisting crossbeam 5, lifting power mechanism 6 runs out of steam, hoisting crossbeam 5 is toward declining.During decline, owing to guide pin bushing 4 can be finely adjusted joint along with the swing of hoisting crossbeam 5 decline so that hoisting crossbeam 5 is not easy the dead self-locking of hard card occur.Compression spring 2 elasticity of saving potential energy when hoisting crossbeam 5 rises simultaneously, when hoisting crossbeam 5 is to be declined, compression spring 2 can gradually discharge its elasticity of saving potential energy, and be to discharge along with the swing of hoisting crossbeam 5 decline, if hoisting crossbeam 5 one end declines comparatively fast, elastic potential energy near the compression spring of this end discharges the fastest, the compression spring of the contrary other end also maintains bigger elastic potential energy, the elastic force produced is bigger, the one end that can slow down under promoting accelerates to decline, to reach the purpose that hoisting crossbeam 5 as much as possible steadily declines.When hoisting crossbeam 5 declines and puts in place, detection can start.
Above disclosed it is only this utility model one preferred embodiment, certainly can not limit the interest field of this utility model, the equivalent variations therefore made according to this utility model claim with this, still belong to the scope that this utility model is contained.
Claims (7)
1. the lifting mechanism of an automotive test stand, including hoisting crossbeam, lifting power mechanism and guide post, described lifting power mechanism is used for driving hoisting crossbeam lifting, the two ends of hoisting crossbeam are located at by described guide post, it is characterized in that, described guide post is socketed with guide pin bushing, and described hoisting crossbeam two ends are provided with pilot hole, described guide pin bushing is sleeved in described pilot hole, and described guide pin bushing can be oppositely oriented bar and pilot hole slides.
2. the lifting mechanism of automotive test stand as claimed in claim 1, it is characterised in that described guide post top is provided with block, is provided with compression spring between described block and guide pin bushing.
3. the lifting mechanism of automotive test stand as claimed in claim 2, it is characterised in that described guide pin bushing is produced and continues downforce by described compression spring.
4. the lifting mechanism of automotive test stand as claimed in claim 1, it is characterised in that described guide pin bushing upper end is provided with horizontal annular portion, and described horizontal annular portion can be locked to described pilot hole top.
5. the lifting mechanism of automotive test stand as claimed in claim 1, it is characterised in that described hoisting crossbeam is additionally provided with position-limit mechanism.
6. the lifting mechanism of automotive test stand as claimed in claim 1, it is characterised in that it is located between two cylinders.
7. the lifting mechanism of automotive test stand as claimed in claim 1, it is characterised in that described lifting power mechanism is to be located at hydraulic cylinder, cylinder or the air bag below described hoisting crossbeam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304771.4U CN205527532U (en) | 2016-04-12 | 2016-04-12 | Lifting mechanism of automotive test rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620304771.4U CN205527532U (en) | 2016-04-12 | 2016-04-12 | Lifting mechanism of automotive test rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205527532U true CN205527532U (en) | 2016-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620304771.4U Active CN205527532U (en) | 2016-04-12 | 2016-04-12 | Lifting mechanism of automotive test rack |
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| Country | Link |
|---|---|
| CN (1) | CN205527532U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113086879A (en) * | 2021-04-13 | 2021-07-09 | 中电鹏程智能装备有限公司 | Automatic hanging device for high-rise outer wall |
-
2016
- 2016-04-12 CN CN201620304771.4U patent/CN205527532U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113086879A (en) * | 2021-04-13 | 2021-07-09 | 中电鹏程智能装备有限公司 | Automatic hanging device for high-rise outer wall |
| CN113086879B (en) * | 2021-04-13 | 2022-05-10 | 中电鹏程智能装备有限公司 | Automatic hanging device for high-rise outer wall |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |