CN204556275U - A kind of wheel steering system is against rub measurement system - Google Patents
A kind of wheel steering system is against rub measurement system Download PDFInfo
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- CN204556275U CN204556275U CN201520115396.4U CN201520115396U CN204556275U CN 204556275 U CN204556275 U CN 204556275U CN 201520115396 U CN201520115396 U CN 201520115396U CN 204556275 U CN204556275 U CN 204556275U
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- propulsion system
- rotating disk
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Abstract
The utility model relates to a kind of wheel steering system against rub measurement system, comprise at least one for providing the propulsion system of steering moment, propulsion system drive the rotating disk of connecting band motor car wheel synchronous axial system, also comprise the measuring unit for measuring vehicle wheel rotation angle and measurement propulsion system output drive strength square, and the process arithmetic element for processing measuring unit image data, compared with turning to inverse measurement of friction torque device with conventional truck, while this programme saves manpower, can high-level efficiency, height turns to detection to vehicle accurately, in addition, the device operability of this programme is strong, with low cost, measure the data obtained to provide support for product steering reversal performance, avoid product quality inconsistent.
Description
Technical field
The utility model relates to a kind of wheel steering system against rub measurement system.
Background technology
The steering reversal performance of vehicle concerns vehicle drive comfortableness and can be handling, directly affect the safety traffic of vehicle, and the inverse friction of steering is an important factor in order of Vehicular turn return performance; Under identical suspension positional parameter, the difference of the inverse friction of steering can cause the difference of the performance such as vehicle return performance, operating physical force size, especially batch vehicle, the difference of quality directly affects the market assessment of product, and because inverse friction meeting bigger than normal causes, vehicle occurs turning to clamping stagnation in driving process, driver operates the shortcomings such as effort; And at present not conveniently instrument coordinate production line to check vehicle steering system, cannot just ensure that the inverse friction of wheel steering system meets designing requirement in the Rail car manufacture stage, and although the method for traditional dependence fixture and dynamometer manual measurement is effective, but its operating process is inconvenient, is not suitable for production run.
Such as, notification number is the Chinese patent of CN 101672706 B: the method for measuring force of friction of the steering of vehicle, and the method implementation process more complicated, is unfavorable for directly applying to production line.
Utility model content
The purpose of this utility model is to provide a kind of automobile steering system against rub measurement system, in order to solve existing measurement mechanism complicated operation, the problem that cost is high.
For achieving the above object, scheme of the present utility model comprises:
A kind of wheel steering system, against rub measurement system, comprises at least one for providing the propulsion system of steering moment, and propulsion system drive the rotating disk of connecting band motor car wheel synchronous axial system; Also comprise the measuring unit for measuring vehicle wheel rotation angle and measurement propulsion system output drive strength square, and the process arithmetic element for processing measuring unit image data.
Described measuring system comprises propulsion system, and the left and right rotating disk corresponding with left and right wheels in the same vehicle bridge of vehicle to be measured, and propulsion system drive with left-hand rotation dish or right-hand rotation dish and are connected.
Described measuring system comprises two propulsion system, and the left and right rotating disk corresponding with left and right wheels in the same vehicle bridge of vehicle to be measured, and described two propulsion system respectively drive corresponding with left and right rotating disk connect.
Described measuring system comprises propulsion system, and the left and right rotating disk corresponding with left and right wheels in the same vehicle bridge of vehicle to be measured, and propulsion system are connected with described two rotating disks by power splitting mechanism.
Described propulsion system are motors.
Be connected by gear train between the described propulsion system rotating disk connected corresponding to it.
Described gear train comprises transmission shaft, and transmission shaft is fixedly connected with rotating disk, rotating disk with for bearing a upper and lower clearance fit of hold-down support of pressure, be provided with roller in gap.
Described measuring unit comprises the indexing sensor for measuring vehicle wheel rotation angle.
The beneficial effect of this programme: compared with turning to inverse measurement of friction torque device with conventional truck, this programme drives the vehicle wheel rotation on it by driving rotating disk, in the process, can facilitate and obtain the driving force suffered by wheel and the resistance suffered by drive system accurately, and wheel steering angle, reach high-level efficiency, high-acruracy survey wheel steering system is against the object of moment of friction, simultaneously, this measuring system only utilizes rotating disk, propulsion system and measurement just can realize measurement function with data processing unit, structure is simple on the whole, cost is low, workable, in current vehicle production line balance, can be efficient, accurately wheel steering system performance is detected.
Accompanying drawing explanation
Fig. 1 is the embodiment 1 of this programme.
Fig. 2 is the embodiment 2 of this programme.
Fig. 3 is the embodiment 3 of this programme.
Fig. 4 is the system construction drawing of this programme.
Embodiment
Below in conjunction with accompanying drawing, this programme is further described in detail.
Embodiment 1:
A kind of vehicle car steering of this programme is against rub measurement system, its basic composition and connected mode are: at least one is for providing the propulsion system of steering moment, for the rotating disk with motor car wheel synchronous axial system, for measuring the measuring unit of vehicle wheel rotation angle and measurement propulsion system output drive strength square, for the process arithmetic element processed measuring unit image data, described propulsion system drive and connect described rotating disk.
As shown in Figure 1, mainly comprise two rotating disks corresponding with wheel in the same vehicle bridge of vehicle to be measured, propulsion system, propulsion system drive with left-hand rotation dish or right-hand rotation dish and are connected
First, propulsion system drive with one of them rotating disk and are connected, and another rotating disk can freely rotate, and are placed in respectively by vehicle front-wheel on two rotating disks in left and right.When starting to test, make the output torque of propulsion system be M0, wheel and rotating disk synchronous axial system, when wheel no longer rotates, and wheel turns to hard-over under this output torque, is measured the corner of now wheel by measuring unit, and records this corner α.
Concrete, propulsion system comprise motor, also can be oil motors.Be described for motor below.
As described in Figure 4, wherein each several part is: 1. motor, 2. pinion wheel, 3. gear wheel, 4. transmission shaft, 5. measuring unit, 6. hold-down support, 7. thrust bearing, 8. roller, 9. rotating disk, 10. electric wire, 11. process arithmetic elements.
Concrete, be connected by gear train between the rotating disk that motor is corresponding with it, gear train comprises transmission shaft, thrust bearing and roller, is rotated and is rotated between rotating disk and hold-down support by roller and thrust bearing, transmission shaft is fixedly connected with rotating disk, if friction factor is f between rotating disk and hold-down support, equivalent friction radius r between rotating disk and hold-down support, front axle load is G, so, the moment of resistance that rotating disk can produce drive system is M
f=G*f*r.
Motor is connected with transmission shaft by gear set, gear set is divided into large and small gear set, motor is connected with pinion wheel, and pinion wheel and gear wheel are connected with a joggle, and gear wheel is fixedly connected with transmission shaft, if motor output torque M0, gear set ratio of gear is i, and transmission efficiency is η, then motor to the moment of torsion that rotating disk exports is: i* η * M0, when then wheel steering angle is α, the inverse moment of friction of corresponding wheel steering system is: M=i* η * M0-G*f*r.
Concrete, measuring unit comprises the indexing sensor for measuring wheel steering angle.
Control propulsion system and different driving forces is exported to rotating disk, wheel can be obtained under different corner α, corresponding different inverse moment of friction, process arithmetic element carries out process integration according to the information of the measurement data of indexing sensor and propulsion system output torque, using corner α as horizontal ordinate, inverse moment of friction, as ordinate, obtains steering against friction curve.
Utilize the utility model can obtain the inverse friction torque curve of wheel steering system easily, can use in product line, and be of value to guarantee product steering reversal performance, avoid product quality inconsistent, in addition, the present invention is not only applicable to the batch detection of product line, can be used for each parts frictional behaviour investigation of problem wheel steering system yet.
Embodiment 2:
As described in Figure 2, be only with the difference of embodiment 1, comprise two propulsion system, and the left and right rotating disk corresponding with left and right wheels in the same vehicle bridge of vehicle to be measured, each propulsion system respectively drive corresponding with left and right rotating disk connect.
Specific implementation process is similar to Example 1, repeats no more similar portion here.
Concrete, with embodiment 1 against compared with moment of friction computing formula, in embodiment 2, inverse moment of friction computing formula also wants corresponding change, against moment of friction: M=i* η * (M0
left+ M0
right)-f*G*r.
Embodiment 3:
As described in Figure 3, be only with the difference of embodiment 1, comprise propulsion system, and the left and right rotating disk corresponding with left and right wheels in the same vehicle bridge of vehicle to be measured, propulsion system are connected with described two rotating disks by power splitting mechanism.
Specific implementation process and the first embodiment similar, repeat no more similar portion here.
Be presented above concrete embodiment, but the utility model is not limited to described embodiment.Basic ideas of the present utility model are above-mentioned basic scheme, and for those of ordinary skill in the art, according to instruction of the present utility model, designing the model of various distortion, formula, parameter does not need to spend creative work.The change carried out embodiment when not departing from principle of the present utility model and spirit, amendment, replacement and modification still fall within the scope of protection of the present invention.
Claims (8)
1. wheel steering system is against a rub measurement system, it is characterized in that, comprises at least one for providing the propulsion system of steering moment, and propulsion system drive the rotating disk of connecting band motor car wheel synchronous axial system; Also comprise the measuring unit for measuring vehicle wheel rotation angle and measurement propulsion system output drive strength square, and the process arithmetic element for processing measuring unit image data.
2. measuring system according to claim 1, is characterized in that, described measuring system comprises propulsion system, and the left and right rotating disk corresponding with left and right wheels in the same vehicle bridge of vehicle to be measured, and propulsion system drive with left-hand rotation dish or right-hand rotation dish and are connected.
3. measuring system according to claim 1, it is characterized in that, described measuring system comprises two propulsion system, and the left and right rotating disk corresponding with left and right wheels in the same vehicle bridge of vehicle to be measured, and described two propulsion system respectively drive corresponding with left and right rotating disk connect.
4. measuring system according to claim 1, it is characterized in that, described measuring system comprises propulsion system, and the left and right rotating disk corresponding with left and right wheels in the same vehicle bridge of vehicle to be measured, and propulsion system are connected with described two rotating disks by power splitting mechanism.
5. the measuring system according to Claims 2 or 3 or 4, is characterized in that, described propulsion system are motors.
6. the measuring system according to Claims 2 or 3, is characterized in that, is connected between the described propulsion system rotating disk connected corresponding to it by gear train.
7. measuring system according to claim 6, is characterized in that, described gear train comprises transmission shaft, and transmission shaft is fixedly connected with rotating disk, rotating disk with for bearing a upper and lower clearance fit of hold-down support of pressure, be provided with roller in gap.
8. measuring system according to claim 1, is characterized in that, described measuring unit comprises the indexing sensor for measuring vehicle wheel rotation angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115396.4U CN204556275U (en) | 2015-02-25 | 2015-02-25 | A kind of wheel steering system is against rub measurement system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520115396.4U CN204556275U (en) | 2015-02-25 | 2015-02-25 | A kind of wheel steering system is against rub measurement system |
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| Publication Number | Publication Date |
|---|---|
| CN204556275U true CN204556275U (en) | 2015-08-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520115396.4U Expired - Fee Related CN204556275U (en) | 2015-02-25 | 2015-02-25 | A kind of wheel steering system is against rub measurement system |
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| Country | Link |
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| CN (1) | CN204556275U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729864A (en) * | 2015-02-25 | 2015-06-24 | 郑州宇通客车股份有限公司 | Method and system for measuring reverse friction of vehicle steering system |
| CN108915330A (en) * | 2018-07-10 | 2018-11-30 | 合肥市神雕起重机械有限公司 | A kind of parking stall correcting mechanism for intelligent parking lot |
-
2015
- 2015-02-25 CN CN201520115396.4U patent/CN204556275U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104729864A (en) * | 2015-02-25 | 2015-06-24 | 郑州宇通客车股份有限公司 | Method and system for measuring reverse friction of vehicle steering system |
| CN104729864B (en) * | 2015-02-25 | 2017-10-27 | 郑州宇通客车股份有限公司 | A kind of wheel steering system is against rub measurement method and system |
| CN108915330A (en) * | 2018-07-10 | 2018-11-30 | 合肥市神雕起重机械有限公司 | A kind of parking stall correcting mechanism for intelligent parking lot |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150812 Termination date: 20190225 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |