CN202968647U - Automobile EPS (electric power steering) axial stress relieving equipment - Google Patents
Automobile EPS (electric power steering) axial stress relieving equipment Download PDFInfo
- Publication number
- CN202968647U CN202968647U CN 201220640474 CN201220640474U CN202968647U CN 202968647 U CN202968647 U CN 202968647U CN 201220640474 CN201220640474 CN 201220640474 CN 201220640474 U CN201220640474 U CN 201220640474U CN 202968647 U CN202968647 U CN 202968647U
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- axial stress
- load
- eps
- speed reduction
- automobile eps
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Abstract
The utility model provides automobile EPS (electric power steering) axial stress relieving equipment. The equipment comprises a rack and fixed feet below the rack, wherein a plurality of groups of driving components, a plurality of groups of loading components and a plurality of groups of floating components are arranged on the rack in a one-to-one correspondence manner, and the driving components provide a driving torque for a speed reducer of an automobile EPS, the loading components provide an artificial load for the speed reducer, and the floating components are used for mounting the speed reducer and can adjust supporting height. For relieving the stress of a torsion bar, the axial stress relieving equipment is a run-in stand which simulates operation of the EPS, the driving components are used for inputting the torque to the speed reducer at an input end according to operation the principle of the EPS, and the loading components are arranged for loading at an output end, so that a positive and negative alternating rotation is carried out on the speed reducer through a way of simulating a person to rotate a steering wheel, thereby achieving the effect of relieving the stress of the torsion bar.
Description
Technical field
The utility model relates to automobile EPS field, refers to especially a kind of automobile EPS axial stress abatement apparatus.
Background technology
Present EPS(electric boosting steering system) be the very important part in trolley part the inside.EPS speed reduction unit for present contact-sensing technology, he is mainly that the moment of torsion that distortion produces by mechanical part (torsion bar) comes output signal, yet coming of new torsion bar out self exists stress, this stress is slowly to disappear in work afterwards, if but torsion bar does not eliminate stress before assembling, the centering magnitude of voltage of sensor becomes large in can the use procedure after product loading gradually along with the disappearance of stress so, then affects performance situations such as () monolateral power-assisted, non helping hand, power-assisted are inhomogeneous of product.So be starved of a kind of axial stress abatement apparatus, eliminate the hidden danger that product exists.
The utility model content
The utility model proposes a kind of automobile EPS axial stress abatement apparatus, can simulate actual loading and eliminate axial stress on the EPS torsion bar.
The technical solution of the utility model is achieved in that a kind of automobile EPS axial stress abatement apparatus, the fixing feet that comprises frame and frame below, frame be provided with array for the speed reduction unit of automobile EPS provide driving torque driven unit, for speed reduction unit provide fictitious load charging assembly, the unsteady assembly of speed reduction unit and adjustable supporting height be used for to be installed, described driven unit, charging assembly and unsteady assembly be corresponding the setting one by one.
As preferably, also be provided with one on frame and drive oil cylinder and a load cylinder, each driven unit is connected with driving oil cylinder, and each charging assembly and load cylinder are connected.
As preferably, described driven unit comprises free-sliding spline cover and driving gear, and the free-sliding spline cover is connected with the drive end of speed reduction unit, driving gear and free-sliding spline cover spline joint, and driving oil cylinder and moving driving gear are connected.
As preferably, described load component comprises fixedly spline housing, load bearings and loading tooth bar, and fixedly spline housing and load bearings are connected, and load cylinder is connected to load bearings by loading tooth bar, and fixedly the loading end of spline housing and speed reduction unit is connected.
As preferably, described unsteady assembly comprises rack-mounted floating seat, is arranged in addition height-adjustable floating disc on floating seat, and is arranged on the floating bushing on floating disc, and an end of floating disc is provided with a milled screw of regulating height.
As preferably, described load cylinder provides power by electric motor, and described electric motor is asynchronous machine.
As preferably, ten groups altogether of described driven unit, charging assembly and unsteady assemblies, and be set up in parallel on frame.
Compared with prior art, the utility model has the advantage of: in order to eliminate the stress of torsion bar, this axial stress abatement apparatus is a run-in stand of simulation EPS work, principle according to EPS work, input a moment with driven unit to speed reduction unit at input terminus, charging assembly is set loads a load at output terminal, simulate like this mode of people's steering wheel rotation speed reduction unit is carried out positive and negative alternate rotation, thereby reach the effect of eliminating torsion bar stress.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is that the master of an embodiment of the utility model looks sectional view;
Fig. 2 is that sectional view is looked on the left side of the utility model Fig. 1;
Fig. 3 is the vertical view of the broken section of the utility model Fig. 1;
Fig. 4 is the wherein vertical view cutaway drawing of one group of equipment of the utility model Fig. 3.
In figure: 1, frame; 2, speed reduction unit; 3, drive oil cylinder; 4, driving gear; 5, free-sliding spline cover; 6, fixing spline housing; 7, load bearings; 8, load tooth bar; 9, load cylinder; 10, floating seat; 11, floating disc; 12, floating bushing; 13, milled screw.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment: referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, a kind of automobile EPS axial stress abatement apparatus, the fixing feet that comprises frame 1 and frame 1 below, frame 1 be provided with array for the speed reduction unit 2 of automobile EPS provide driving torque driven unit, for speed reduction unit 2 provide fictitious load charging assembly, the unsteady assembly of speed reduction unit 2 and adjustable supporting height be used for to be installed, described driven unit, charging assembly and unsteady assembly be corresponding the setting one by one.
As preferably, also be provided with one on frame 1 and drive oil cylinder 3 and a load cylinder 9, each driven unit is connected with driving oil cylinder 3, and each charging assembly and load cylinder 9 are connected.
As preferably, described driven unit comprises free-sliding spline cover 5 and driving gear 4, and free-sliding spline cover 5 is connected with the drive end of speed reduction unit 2, and driving gear 4 and free-sliding spline cover 5 spline joints drive oil cylinder 3 and be connected with moving driving gear 4.
As preferably, described load component comprises fixedly spline housing 6, load bearings 7 and loading tooth bar 8, fixedly spline housing 6 is connected with load bearings 7, and load cylinder 9 is connected to load bearings 7 by loading tooth bar 8, and fixedly spline housing 6 is connected with the loading end of speed reduction unit 2.
As preferably, described unsteady assembly comprises the floating seat 10 that is arranged on frame 1, be arranged in addition height-adjustable floating disc 11 on floating seat 10, and be arranged on the floating bushing 12 on floating disc 11, an end of floating disc 11 is provided with one and regulates milled screw 13 highly.
As preferably, described load cylinder 9 provides power by electric motor, and described electric motor is asynchronous machine.
As preferably, ten groups altogether of described driven unit, charging assembly and unsteady assemblies, and be set up in parallel on frame 1.
In order to eliminate the stress of torsion bar, we have designed a testing table (run-in stand) of simulation EPS work, principle according to EPS work, input moments (asynchronous machine input) with driven unit to speed reduction unit 2 input terminuss, load a 10N.m load with charging assembly at output terminal, speed reduction unit 2 running in speeds are 20 rev/mins, simulate like this mode of people's steering wheel rotation speed reduction unit 2 was carried out positive and negative alternate rotation two hours, to reach the effect of eliminating torsion bar stress.
Electric motor provides power for driving oil cylinder 3, drive oil cylinder 3 and drive driving gear 4, driving gear 4 coordinates conduction with free-sliding spline cover 5, and free-sliding spline cover 5 is connected with the drive end of speed reduction unit 2, thereby reach the purpose that driving moment is provided to speed reduction unit 2, allow speed reduction unit 2 turn round.The loading end of speed reduction unit 2 coordinates with fixing spline housing 6, and fixedly spline housing 6 is connected on load bearings 7, and load bearings 7 is by loading tooth bar 8 and load cylinder 9 conduction loads; Thereby the loading end of speed reduction unit 2 obtains the loading moment of a simulation, and loading moment and driving moment cooperating provide the Working environment of simulation, and complete the purpose that axial stress is eliminated in break-in for speed reduction unit 2.Floating seat 10 also is installed on frame 1, the floating disc 11 that available milled screw 13 is regulated height is installed on floating seat 10, floating disc 11 is provided with the floating bushing 12 that speed reduction unit 2 is supported.When speed reduction unit 2 has trickle specification difference, can regulate the placing height of speed reduction unit 2 by regulating milled screw 13, thereby make speed reduction unit 2 can reach reposefully running-in effect.Be provided with altogether ten groups of charging assemblies and driven unit on frame 1, can simulate simultaneously the break-in of actual environment to ten EPS speed reduction units 2, therefore equipment has higher working efficiency.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (7)
1. automobile EPS axial stress abatement apparatus, the fixing feet that comprises frame (1) and frame (1) below, it is characterized in that: frame (1) be provided with the speed reduction unit that array is automobile EPS (2) and provide the driven unit of driving torque, for speed reduction unit (2) provide fictitious load charging assembly, be used for installing the unsteady assembly of speed reduction unit (2) and adjustable supporting height, described driven unit, charging assembly and unsteady assembly be corresponding the setting one by one.
2. automobile EPS axial stress abatement apparatus according to claim 1, it is characterized in that: also be provided with one on frame (1) and drive oil cylinder (3) and a load cylinder (9), each driven unit is connected with driving oil cylinder (3), and each charging assembly and load cylinder (9) are connected.
3. automobile EPS axial stress abatement apparatus according to claim 2, it is characterized in that: described driven unit comprises free-sliding spline cover (5) and driving gear (4), free-sliding spline cover (5) is connected with the drive end of speed reduction unit (2), driving gear (4) and free-sliding spline cover (5) spline joint drive oil cylinder (3) and are connected with moving driving gear (4).
4. automobile EPS axial stress abatement apparatus according to claim 2, it is characterized in that: described load component comprises fixedly spline housing (6), load bearings (7) and loading tooth bar (8), fixedly spline housing (6) is connected with load bearings (7), load cylinder (9) is connected to load bearings (7) by loading tooth bar (8), and fixedly spline housing (6) is connected with the loading end of speed reduction unit (2).
5. automobile EPS axial stress abatement apparatus according to claim 1 and 2, it is characterized in that: described unsteady assembly comprises the floating seat (10) that is arranged on frame (1), be arranged in addition the upper height-adjustable floating disc (11) of floating seat (10), and being arranged on floating bushing (12) on floating disc (11), an end of floating disc (11) is provided with a milled screw (13) of regulating height.
6. automobile EPS axial stress abatement apparatus according to claim 2, it is characterized in that: described load cylinder (9) provides power by electric motor, and described electric motor is asynchronous machine.
7. automobile EPS axial stress abatement apparatus according to claim 1 is characterized in that: ten groups altogether of described driven unit, charging assembly and unsteady assemblies, and be set up in parallel on frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640474 CN202968647U (en) | 2012-11-28 | 2012-11-28 | Automobile EPS (electric power steering) axial stress relieving equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220640474 CN202968647U (en) | 2012-11-28 | 2012-11-28 | Automobile EPS (electric power steering) axial stress relieving equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202968647U true CN202968647U (en) | 2013-06-05 |
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ID=48509747
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220640474 Withdrawn - After Issue CN202968647U (en) | 2012-11-28 | 2012-11-28 | Automobile EPS (electric power steering) axial stress relieving equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202968647U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102978369A (en) * | 2012-11-28 | 2013-03-20 | 重庆亚宸汽车零部件有限公司 | Axle stress relieving equipment for automobile EPS (electric power steering) |
| CN106002109A (en) * | 2016-08-01 | 2016-10-12 | 浙江金驰机械有限公司 | Automobile synchronizer gear sleeve manufacturing technology and aging treatment machine |
-
2012
- 2012-11-28 CN CN 201220640474 patent/CN202968647U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102978369A (en) * | 2012-11-28 | 2013-03-20 | 重庆亚宸汽车零部件有限公司 | Axle stress relieving equipment for automobile EPS (electric power steering) |
| CN102978369B (en) * | 2012-11-28 | 2014-04-02 | 重庆亚宸汽车零部件有限公司 | Axle stress relieving equipment for automobile EPS (electric power steering) |
| CN106002109A (en) * | 2016-08-01 | 2016-10-12 | 浙江金驰机械有限公司 | Automobile synchronizer gear sleeve manufacturing technology and aging treatment machine |
| CN106002109B (en) * | 2016-08-01 | 2018-01-16 | 浙江金驰机械有限公司 | The production technology and timeliness processor of a kind of gear sleeve of automobile synchronizer |
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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: 20130605 Effective date of abandoning: 20140402 |
|
| RGAV | Abandon patent right to avoid regrant |