CN210180632U - Steering wheel shimmy testing arrangement - Google Patents
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- CN210180632U CN210180632U CN201920673447.3U CN201920673447U CN210180632U CN 210180632 U CN210180632 U CN 210180632U CN 201920673447 U CN201920673447 U CN 201920673447U CN 210180632 U CN210180632 U CN 210180632U
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Abstract
The utility model discloses a steering wheel shimmy testing arrangement, steering wheel shimmy testing arrangement includes: the first sensor group is arranged on the front suspension system; the second sensor group is arranged on the steering system; and the first sensor group and the second sensor group are in communication connection with the data memory. Therefore, the vibration conditions of a plurality of positions in the front suspension system and the steering system can be detected through the first sensor group and the second sensor group respectively, the data collected by the first sensor group and the second sensor group are stored through the data storage device, the data are analyzed conveniently, the front suspension system and the steering system are adjusted according to the analysis result, and the problem of steering wheel shimmy is solved. The steering wheel shimmy testing device is good in testing effect, and can better assist a tester to analyze the vibration forms of a plurality of positions in a vehicle, so that the tester can improve the problem of steering wheel shimmy.
Description
Technical Field
The utility model belongs to the technical field of the vehicle manufacturing, particularly, relate to a steering wheel shimmy testing arrangement.
Background
During the running of the vehicle, the steering wheel oscillates with a certain frequency and amplitude and causes a problem of shimmy of the steering wheel. When the steering wheel has shimmy, the steering stability of the vehicle is seriously influenced, the driving safety and reliability are reduced, and the smoothness of the vehicle is also influenced when the steering wheel is seriously vibrated, so that great potential safety hazards exist.
In the related art, no better testing device is used for steering wheel shimmy testing in the design stage of a vehicle, so that a designer cannot carry out targeted optimization design on a related system, and the problem of steering wheel shimmy is improved blindly, and an improvement space exists.
Disclosure of Invention
The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, the utility model discloses an it is an object to provide steering wheel shimmy testing arrangement that measuring accuracy is high.
According to the utility model discloses steering wheel shimmy testing arrangement, include: a first sensor group mounted to a front suspension system; a second sensor group mounted to a steering system; and the first sensor group and the second sensor group are in communication connection with the data memory.
According to the utility model discloses steering wheel shimmy testing arrangement can detect the vibration condition of a plurality of positions in front suspension system and the steering system respectively through first sensor group and second sensor group to the data of collecting first sensor group and second sensor group are stored through data memory, so that carry out the analysis to data, and adjust front suspension system and steering system according to the analysis result, with the problem of improving steering wheel shimmy. The steering wheel shimmy testing device is good in testing effect, and can better assist a tester to analyze the vibration forms of a plurality of positions in a vehicle, so that the tester can improve the problem of steering wheel shimmy.
According to some embodiments of the invention, the first sensor set comprises: an upper swing arm acceleration sensor group installed on the upper swing arm; a lower swing arm acceleration sensor group installed on the lower swing arm; and a strut acceleration sensor group arranged on the strut assembly.
According to some embodiments of the utility model, go up swing arm acceleration sensor group and include: the acceleration sensor is arranged at the ball pin of the upper swing arm; the acceleration sensor is arranged at the front bushing of the upper swing arm; an acceleration sensor mounted on the rear bushing of the upper swing arm; an acceleration sensor arranged at the position of the upper swing arm rear bushing frame; the lower swing arm acceleration sensor group includes: the acceleration sensor is arranged at the ball pin of the lower swing arm; the acceleration sensor is arranged at the front bushing of the lower swing arm; an acceleration sensor arranged on the rear bushing of the lower swing arm; an acceleration sensor arranged at the position of the lower swing arm front bushing frame; the acceleration sensor is arranged at the position of the lower swing arm rear bushing frame; the strut acceleration sensor group includes: the acceleration sensor is arranged at a mounting point on the sliding column assembly; and the acceleration sensor is arranged at the lower mounting point of the sliding column assembly.
According to some embodiments of the invention, the second sensor group comprises: a knuckle acceleration sensor group mounted on the knuckle; and a tie rod acceleration sensor group mounted on the tie rod of the steering gear.
According to some embodiments of the present invention, the knuckle acceleration sensor group comprises: an acceleration sensor installed at the center of the knuckle; the acceleration sensor is arranged at the ball pin on the steering knuckle; the acceleration sensor is arranged at the lower ball pin of the steering knuckle; the tie rod acceleration sensor group includes: and the acceleration sensor is arranged at the ball pin of the tie rod of the steering gear.
According to some embodiments of the invention, the first sensor group and the second sensor group each comprise a plurality of three-way acceleration sensors.
According to the utility model discloses a some embodiments, steering wheel shimmy testing arrangement still includes: and the third sensor group is arranged on a steering wheel and is in communication connection with the data storage.
According to some embodiments of the invention, the third sensor group is mounted to a rim of the steering wheel.
According to some embodiments of the invention, the third sensor group comprises: an acceleration sensor installed at the three-point position; and the acceleration sensor is arranged at a nine-point position.
According to some embodiments of the utility model, the third sensor group includes one-way acceleration sensor, just one-way acceleration sensor's installation direction is in with this one-way acceleration sensor the tangent line of the mounted position department of rim is parallel.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a schematic structural diagram of a steering wheel according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of an upper swing arm according to an embodiment of the present invention;
fig. 3 is a schematic structural diagram of a lower swing arm according to an embodiment of the present invention;
fig. 4 is a schematic structural view of a strut assembly according to an embodiment of the present invention;
fig. 5 is a schematic structural view of a vehicle frame according to an embodiment of the present invention;
fig. 6 is a schematic structural view of a knuckle according to an embodiment of the present invention;
fig. 7 is a schematic structural view of a steering gear according to an embodiment of the present invention;
fig. 8 is a schematic diagram of a steering wheel shimmy testing apparatus according to an embodiment of the present invention.
Reference numerals:
steering wheel shimmy testing device 1000,
A first sensor group 100, a second sensor group 200, a third sensor group 300, a data storage 400,
A steering wheel 10, a three-point position 11 of the steering wheel, a nine-point position 12 of the steering wheel, a rim 13,
An upper swing arm 20, an upper swing arm front bushing 21, an upper swing arm rear bushing 22, an upper swing arm ball pin position 23,
A lower swing arm 30, a lower swing arm front bushing 31, a lower swing arm rear bushing 32, a lower swing arm ball pin position 33,
A strut assembly 40, a strut assembly upper mounting point 41, a strut assembly lower mounting point 42,
A knuckle 50, a knuckle hub 51, a knuckle upper ball pin position 52, a knuckle lower ball pin position 53, a knuckle upper ball pin position 53, a knuckle lower ball pin position 53, a knuckle upper ball pin position 53, a knuckle lower ball,
A steering tie rod 70, a steering tie rod ball pin location 71.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.
A steering wheel shimmy test apparatus 1000 according to an embodiment of the present invention is described below with reference to fig. 1 to 8.
The steering wheel shimmy test apparatus 1000 according to the present embodiment includes: a first sensor group 100, a second sensor group 200, and a data storage 400.
The first sensor group 100 is installed in a front suspension system, the second sensor group 200 is installed in a steering system, and both the first sensor group 100 and the second sensor group 200 are in communication connection with the data storage 400.
It should be noted that during the running of the vehicle, the steering wheel oscillates with a certain frequency and amplitude, which results in the steering wheel 10 oscillating. The first sensor group 100 and the second sensor group 200 are respectively installed on a transmission path of vibration of the front suspension system and the steering system, so that vibration frequency information of multiple positions in the front suspension system and the steering system can be collected and stored in the data storage 400, a tester can analyze vibration conditions of the front suspension system and the steering system through data in the data storage 400, and the tester can adjust components in the front suspension system and the steering system subsequently to improve the problem of shimmy of the steering wheel 10.
In some embodiments of the present invention, the first sensor group 100 may detect the vibration parameters of a plurality of positions in the front suspension system, and the second sensor group 200 may detect the vibration parameters of a plurality of positions in the steering system, and the vibration parameters include: vibration frequency, vibration amplitude, etc. The transmission path position of the vibration can be judged by comparing the vibration parameters of a plurality of positions.
For example, the position where the vibration frequency and the vibration amplitude are the maximum can be preliminarily judged to be the position where the vibration source is located, and the transmission path of the vibration can be analyzed further according to the attenuation rule of the vibration frequency and the vibration amplitude and by combining the physical connection structure of the front suspension system and the steering system.
The tester can optimize the relative positions of the front suspension system and the steering system at the transmission path or vibration source of the vibration, for example, at least two optimization directions are as follows: (1) the vibration reduction structure at the vibration source is improved, and vibration is eliminated or weakened from the source; (2) a vibration damping structure is added or improved on a transmission path between a vibration source and a steering wheel, and the transmission path is cut off or part of vibration is absorbed. This can effectively attenuate the vibration transmitted to the steering wheel 10.
Wherein, analyzing the data in the data storage 400 comprises: automatic analysis and manual analysis.
To the automatic analysis mode, the steering wheel shimmy testing device 1000 can also be provided with a controller, and the controller is in communication connection with the data storage 400, so that data in the data storage 400 can be automatically analyzed through the controller, the vibration forms of the front suspension system and the steering system are analyzed, and then a tester can conveniently adjust the front suspension system and the steering system.
For the manual analysis mode, the tester manually analyzes the data in the data storage 400 to analyze the vibration forms of the front suspension system and the steering system, and adjusts the front suspension system and the steering system according to the analyzed data, so as to achieve the purpose of improving the shimmy of the steering wheel 10.
According to the utility model discloses steering wheel shimmy testing arrangement 1000 can detect the vibration condition of a plurality of positions in front suspension system and the steering system respectively through first sensor group 100 and second sensor group 200 to store the data of first sensor group 100 and second sensor group 200 collection through data memory 400, so that analyze data, and adjust front suspension system and steering system according to the analysis result, with the problem of improving steering wheel shimmy. The steering wheel shimmy testing device 1000 has a good testing effect, and can better assist a tester to analyze the vibration forms of a plurality of positions in a vehicle, so that the tester can improve the shimmy problem of the steering wheel 10.
In some embodiments of the present invention, the first sensor group 100 includes: an upper swing arm acceleration sensor group mounted to the upper swing arm 20, a lower swing arm acceleration sensor group mounted to the lower swing arm 30, and a strut acceleration sensor group mounted to the strut assembly 40.
The utility model discloses in further embodiment, go up swing arm acceleration sensor group and can detect the acceleration of last swing arm 20 department, lower swing arm acceleration sensor group can detect the acceleration of lower swing arm 30 department, and traveller acceleration sensor group can detect the acceleration of traveller assembly 40 department. Wherein, go up swing arm acceleration sensor group, lower swing arm acceleration sensor group and traveller acceleration sensor group and all can include a plurality of acceleration sensor, and the detection effect to the acceleration of a plurality of positions in the front suspension system can be promoted in a plurality of acceleration sensor's setting. Of course, the number of acceleration sensors is not limited to this, and may be adjusted according to the actual test situation.
In some embodiments of the present invention, the upper swing arm acceleration sensor group includes: the acceleration sensor is arranged at the ball pin of the upper swing arm; an acceleration sensor installed at the upper swing arm front bushing 21; an acceleration sensor mounted to the upper swing arm rear bushing 22; and an acceleration sensor mounted at the upper swing arm rear bushing frame position 61.
Lower swing arm acceleration sensor group includes: the acceleration sensor is arranged at the ball pin of the lower swing arm; an acceleration sensor installed at the lower swing arm front bushing 31; an acceleration sensor mounted to the lower swing arm rear bushing 32; an acceleration sensor mounted at a lower swing arm front bushing frame location 62; and an acceleration sensor mounted at a lower swing arm rear bushing frame position 63.
The strut acceleration sensor group includes: an acceleration sensor mounted to a mounting point 41 on the strut assembly; an acceleration sensor mounted to the lower mounting point 42 of the strut assembly.
Wherein acceleration sensors are arranged in the upper swing arm 20, the lower swing arm 30 and the strut assembly 40 at positions for connection with other components, such as: upper swing arm ball pin, lower swing arm front bushing 31, and the like. It will be appreciated that as vibrations are transmitted between the components, the frequency, amplitude of the vibrations at the location where the two components are connected will vary. Therefore, a plurality of positions on a vibration transmission path in the front suspension system can be detected through the acceleration sensor, and vibration parameters of the positions can be collected to assist a tester to know the change condition of vibration on the transmission path, so that the tester can improve the problem of steering wheel shimmy.
The utility model discloses in further embodiment, a plurality of acceleration sensor in the first sensor group 100 are three-way acceleration sensor, and three-way acceleration sensor's detection is more accurate, can feed back the vibration condition that sets up the acceleration sensor position better to can promote the precision of vibration parameter acquisition.
In some embodiments of the present invention, the second sensor group 200 includes: a knuckle acceleration sensor group mounted to the knuckle 50, and a tie rod acceleration sensor group mounted to a tie rod of the steering gear.
The utility model discloses in further embodiment, knuckle acceleration sensor group can detect the acceleration of knuckle 50 department, and tie rod acceleration sensor group can detect the acceleration of tie rod department. The steering knuckle acceleration sensor group and the tie rod acceleration sensor group can comprise a plurality of acceleration sensors, and the detection effect of the accelerations of a plurality of positions in the steering system can be improved due to the arrangement of the acceleration sensors. Of course, the number of acceleration sensors is not limited to this, and may be adjusted according to the actual test situation.
In some embodiments of the present invention, the knuckle acceleration sensor group includes: an acceleration sensor mounted at the knuckle wheel center 51, an acceleration sensor mounted at the knuckle upper ball pin, and an acceleration sensor mounted at the knuckle lower ball pin.
In a further embodiment of the present invention, the tie rod acceleration sensor group comprises: and the acceleration sensor is arranged at the ball pin of the tie rod of the steering gear.
It should be noted that, with reference to fig. 2, 3, 5 and 7, the acceleration sensor at the upper swing arm ball pin is disposed at an upper swing arm ball pin position 23, and the upper swing arm ball pin position 23 is disposed adjacent to the upper swing arm ball pin; the acceleration sensor at the lower swing arm ball pin is arranged at a lower swing arm ball pin position 33, and the lower swing arm ball pin position 33 is arranged adjacent to the lower swing arm ball pin; the acceleration sensor at the knuckle upper ball pin is located at a knuckle upper ball pin location 52, which knuckle upper ball pin location 52 is located adjacent to the knuckle upper ball pin; the acceleration sensor at the knuckle lower ball pin is arranged at a knuckle lower ball pin position 53, and the knuckle lower ball pin position 53 is arranged adjacent to the knuckle lower ball pin; the acceleration sensor at the steering tie rod ball pin is disposed at a steering tie rod ball pin location 71, the steering tie rod ball pin location 71 being disposed adjacent the steering tie rod ball pin.
Among them, acceleration sensors are arranged in the knuckle 50 and the tie rod 70 at positions for connection with other components, such as: knuckle upper ball pin, knuckle lower ball pin, steering tie rod ball pin, etc. Therefore, a plurality of positions on a vibration transmission path in the steering system can be detected through the acceleration sensor, vibration parameters of the positions can be collected, so that a tester can be assisted to know the change condition of vibration on the transmission path, and the tester can improve the problem of shimmy of the steering wheel.
In some embodiments of the present invention, the ball pin of the tie rod of the steering gear is connected to and engaged with the wheel center 51 of the knuckle; the upper swing arm rear bushing 22 is connected and matched with the frame position of the upper swing arm rear bushing 22; the upper swing arm ball pin is connected and matched with the upper ball pin of the steering knuckle; the lower swing arm ball pin is connected and matched with the lower ball pin of the steering knuckle; the lower swing arm front bushing 31 is connected and matched with the lower swing arm front bushing 31 in frame position; the lower swing arm rear bushing 32 is connected and matched with the lower swing arm rear bushing 32 in frame position.
The utility model discloses in the further embodiment, a plurality of positions in last swing arm 20, lower swing arm 30, frame 60, steering gear tie rod 70 and knuckle 50 set up acceleration sensor to can gather the acceleration of a plurality of positions, and then can carry out the analysis to the vibration condition of each position according to the acceleration parameter of a plurality of positions, the tester of being convenient for adjusts in order to improve steering wheel shimmy problem front suspension system and a steering system.
When the vibration frequency and the vibration amplitude of the ball pin of the upper swing arm are higher than those of other positions (such as the ball pin of the steering knuckle), a tester can reasonably adjust the matching position of the steering knuckle and the upper swing arm 20 so as to improve the vibration transmission path, namely, the tester can be assisted to adjust the front suspension system and the steering system of the vehicle by comparing parameters of a plurality of positions.
In some embodiments of the present invention, the steering wheel shimmy testing apparatus 1000 further includes a third sensor group 300, the third sensor group 300 is installed on the steering wheel 10, and the third sensor group 300 is communicatively connected to the data storage 400. By providing the third sensor group 300 on the steering wheel 10, the vibration amplitude of the steering wheel 10 can be detected by the third sensor group 300, and the detected data can be stored in the data storage 400, so that a tester can analyze the vibration condition of the steering wheel 10 according to the detected vibration parameters.
In a further embodiment of the present invention, a third sensor group 300 is mounted to the rim 13 of the steering wheel 10. It is understood that the third sensor group 300 may include a plurality of acceleration sensors, and the acceleration sensors may detect the acceleration of the steering wheel to obtain the vibration amplitude of the steering wheel 10, so that the more distant the plurality of acceleration sensors in the third sensor group 300 are spaced on the steering wheel 10, the more accurate the change of the vibration amplitude is, and the hand of the driver during driving is usually placed on the rim 13, so that the driving situation of the driver can be better simulated.
In some embodiments of the present invention, the third sensor group 300 includes: an acceleration sensor mounted at the three-point position 11; and the acceleration sensor is arranged at a nine-point position 12. The driver usually places hands on the three-point position 11 and the nine-point position 12 of the steering wheel 10 to steer the steering wheel 10, and thus, the acceleration sensors provided at the three-point position 11 and the nine-point position 12 can better simulate the driving situation of the driver.
In a further embodiment of the present invention, the third sensor group 300 comprises a unidirectional acceleration sensor, and the installation direction of the unidirectional acceleration sensor is parallel to the tangent of the unidirectional acceleration sensor at the installation position of the rim 13.
Here, the "mounting direction" is the same as the detection direction of the unidirectional sensor, that is, the acceleration in the tangential direction of the steering wheel rim 13 is detected by the unidirectional acceleration sensor.
Steering wheel shimmy test device 1000 according to an embodiment of the present invention is described below with reference to table 1, where table 1 shows the mounting location, type, and use of the acceleration sensor.
TABLE 1 sensor arrangement
The utility model discloses some concrete embodiments, through arranging acceleration sensor according to foretell arrangement, can be to the acceleration parameter acquisition of the key node of the vibration transfer path in front suspension system and the steering system to reach the corresponding signal of structure under the measurement operation condition.
After the vibration acceleration of a plurality of positions in the front suspension system and the steering system is collected, the vibration amplitude of the plurality of positions in the front suspension system and the steering system can be accurately identified, the transmission path of vibration is identified by comparing the vibration frequency of a plurality of nodes, and the vibration geometry of the front suspension system and the steering system at positions are sketched by combining a plurality of positions arranged by the sensors so as to obtain the vibration forms of the steering system and the front suspension system through processing. The tester can adjust the components in the front suspension system and the steering system according to the vibration pattern to improve the shimmy problem of the steering wheel 10.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A steering wheel shimmy test apparatus (1000), comprising:
a first sensor group (100), the first sensor group (100) being mounted to a front suspension system;
a second sensor group (200), the second sensor group (200) being mounted to a steering system;
a data storage (400), wherein the first sensor group (100) and the second sensor group (200) are both connected with the data storage (400) in a communication way.
2. The steering wheel shimmy test apparatus (1000) of claim 1, wherein the first sensor set (100) comprises:
an upper swing arm acceleration sensor group installed on the upper swing arm;
a lower swing arm acceleration sensor group installed on the lower swing arm;
and a strut acceleration sensor group arranged on the strut assembly.
3. The steering wheel shimmy test apparatus (1000) of claim 2, wherein the upper swing arm acceleration sensor set comprises: the acceleration sensor is arranged at the ball pin of the upper swing arm; the acceleration sensor is arranged at the front bushing of the upper swing arm; an acceleration sensor mounted on the rear bushing of the upper swing arm; an acceleration sensor arranged at the position of the upper swing arm rear bushing frame;
the lower swing arm acceleration sensor group includes: the acceleration sensor is arranged at the ball pin of the lower swing arm; the acceleration sensor is arranged at the front bushing of the lower swing arm; an acceleration sensor arranged on the rear bushing of the lower swing arm; an acceleration sensor arranged at the position of the lower swing arm front bushing frame; the acceleration sensor is arranged at the position of the lower swing arm rear bushing frame;
the strut acceleration sensor group includes: the acceleration sensor is arranged at a mounting point on the sliding column assembly; and the acceleration sensor is arranged at the lower mounting point of the sliding column assembly.
4. The steering wheel shimmy test apparatus (1000) of claim 1, wherein the second sensor set (200) comprises:
a knuckle acceleration sensor group mounted on the knuckle;
and a tie rod acceleration sensor group mounted on the tie rod of the steering gear.
5. The steering wheel shimmy test apparatus (1000) of claim 4, wherein the steering knuckle acceleration sensor group comprises: an acceleration sensor installed at the center of the knuckle; the acceleration sensor is arranged at the ball pin on the steering knuckle;
the acceleration sensor is arranged at the lower ball pin of the steering knuckle;
the tie rod acceleration sensor group includes: and the acceleration sensor is arranged at the ball pin of the tie rod of the steering gear.
6. The steering wheel shimmy test apparatus (1000) of claim 1, wherein the first sensor set (100) and the second sensor set (200) each comprise a plurality of three-way acceleration sensors.
7. The steering wheel shimmy test apparatus (1000) of any of claims 1-6, further comprising: a third sensor group (300), wherein the third sensor group (300) is arranged on a steering wheel, and the third sensor group (300) is in communication connection with the data storage device (400).
8. The steering wheel shimmy test apparatus (1000) of claim 7, wherein the third sensor set (300) is mounted to a rim of a steering wheel.
9. The steering wheel shimmy test apparatus (1000) of claim 8, wherein the third sensor set (300) comprises:
an acceleration sensor installed at the three-point position;
and the acceleration sensor is arranged at a nine-point position.
10. The steering wheel shimmy test apparatus (1000) of claim 8, wherein the third sensor group (300) comprises a unidirectional acceleration sensor, and the installation direction of the unidirectional acceleration sensor is parallel to a tangent of the unidirectional acceleration sensor at the installation position of the rim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920673447.3U CN210180632U (en) | 2019-05-10 | 2019-05-10 | Steering wheel shimmy testing arrangement |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920673447.3U CN210180632U (en) | 2019-05-10 | 2019-05-10 | Steering wheel shimmy testing arrangement |
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| Publication Number | Publication Date |
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| CN210180632U true CN210180632U (en) | 2020-03-24 |
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| CN201920673447.3U Active CN210180632U (en) | 2019-05-10 | 2019-05-10 | Steering wheel shimmy testing arrangement |
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