CN210293701U - Vehicle chassis system testing arrangement - Google Patents
Vehicle chassis system testing arrangement Download PDFInfo
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- CN210293701U CN210293701U CN201921182139.7U CN201921182139U CN210293701U CN 210293701 U CN210293701 U CN 210293701U CN 201921182139 U CN201921182139 U CN 201921182139U CN 210293701 U CN210293701 U CN 210293701U
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Abstract
The utility model discloses a vehicle chassis system testing device, which comprises a testing machine, a test bed and a detection device, wherein the detection device is arranged on the upper part of the test bed; the upper part of the test bed comprises a first rack, a second rack, a shock absorber and a rack main body; the first rack and the second rack are fixedly connected with the rack main body, the shock absorber is fixedly connected with the second rack, and the detection device comprises a first detection device, a second detection device, a third detection device and a fourth detection device; the first detection device is fixedly installed on the first rack, the second detection device is installed at the end part, close to the second rack, of the shock absorber, the third detection device is fixedly installed on the shock absorber, and the fourth detection device is fixedly installed on a wheel. The method has the advantages of enriching test data, reducing test times, reducing test cost, shortening test time and the like.
Description
Technical Field
The utility model relates to a vehicle chassis tests technical field, especially relates to a vehicle chassis system testing arrangement.
Background
Along with the popularization of automobiles, the automobile manufacturing industry is greatly developed, and the performance and safety problems of the automobiles in all aspects are particularly important while the automobile manufacturing industry is developed, so that all important components of the automobiles are tested during research, development or production and manufacturing to confirm the correctness of design and test whether important parts of the automobiles are safe and reliable in the driving process;
among the important parts of the vehicle, the chassis of the vehicle comprises a transmission system, a running system, a steering system and a braking system, so that whether the performance of the chassis of the vehicle is qualified or not is particularly critical, and the test of the chassis of the vehicle becomes a critical step in the research and development process of the chassis of the vehicle;
the chassis suspension system test bench is a tool capable of testing a chassis, has the main function of verifying the fatigue durability of the chassis system, is more and more applied in the development process of the chassis, mainly tests the wheel center load, is mainly divided into three parts, namely an MTS329 testing machine, the upper part of a DAFA test bench of a CFM and the bottom of the test bench, and mainly only has a six-component wheel sensor in the aspect of sensors;
however, with the higher and higher requirements on the experimental precision, the requirements cannot be met only by focusing on the wheel center load in the test process, so that more points of load monitoring such as the load of a shock absorber base and the load of a suspension trailing arm need to be obtained, the experiment is more and more accurate, the number of the experiments is reduced, the experiment cost is reduced, and the experiment time is shortened;
therefore the utility model provides a vehicle chassis system testing arrangement solves the unable effective monitoring chassis suspension internal load in chassis suspension test process to and the unable demand scheduling problem that satisfies of precision and reliability of the mode of pasting the foil gage on spare part.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is that the internal load problem of the chassis suspension can not be effectively monitored in the chassis suspension system testing process; the method of pasting the strain gauge on the component is limited by the result of the component, so that the precision and the reliability cannot meet the requirement, and the vehicle chassis system testing device is provided and comprises the following components: the device comprises a testing machine, a test bench and a sensor device, wherein the sensor device is arranged at the upper part of the test bench;
the upper part of the test bed comprises a first rack, a second rack, a shock absorber and a rack main body;
the first frame and the second frame are fixedly connected with the frame main body, the shock absorber is fixedly connected with the second frame,
the sensor device comprises a first detection device, a second detection device, a third detection device and a fourth detection device;
the first detection device is fixedly installed on the first rack, the second detection device is installed at the end part, close to the second rack, of the shock absorber, the third detection device is fixedly installed on the shock absorber, and the fourth detection device is fixedly installed on a wheel.
Furthermore, the first detection device comprises a sensor fixing bottom plate, a detection device layer, a sensor transition plate, a longitudinal arm connecting support and a connection transition plate, the sensor fixing bottom plate is fixedly connected with one end of the first rack, the sensor fixing bottom plate and the detection device layer are arranged between the sensor transition plate and the sensor fixing bottom plate, one end of the longitudinal arm connecting support is fixedly connected with the end part of the sensor transition plate far away from the second rack, the other end of the longitudinal arm connecting support is fixedly connected with the connection transition plate, and the end part of the connection transition plate far away from the longitudinal arm connecting support is fixedly connected with the sensor transition plate.
Further, the detection device layer includes three-thirds force sensors.
Furthermore, the second detection device comprises a bottom plate, a transition plate, a spoke type force sensor and a shock absorber connecting support, one surface of the bottom plate is fixedly connected with one end of the second rack, the other surface of the bottom plate is fixedly connected with the transition plate, and the spoke type force sensor and the shock absorber connecting support are fixedly connected with the transition plate.
Furthermore, the third detection device comprises an upper connecting ball joint, a pull rod displacement sensor and a lower connecting support, the upper connecting ball joint is fixedly connected with the shock absorber connecting support, and the pull rod displacement sensor is arranged between the upper connecting ball joint and the lower connecting support.
Further, the bumper shock absorber includes the bumper shock absorber installation department and with the bumper shock absorber bucket that the bumper shock absorber installation department links to each other, the bumper shock absorber installation department with bumper shock absorber linking bridge fixed connection.
Further, still be provided with the clamp on the bumper shock absorber bucket wall, the clamp with lower part linking bridge fixed connection.
Further, the fourth detection device is a wheel force six-component sensor.
Implement the utility model discloses, following beneficial effect has:
1. the utility model discloses a second detection device has used spoke formula force sensor in the second detection device for data acquisition's precision and reliability obtain improving, thereby can follow the experimental test data who acquires high accuracy and high reliability.
2. The utility model discloses a first detection device, first detection device have adopted a plurality of three fens force transducer's overall arrangement, can obtain the load of three direction in the experimentation for experimental data's acquisition is more, and is more accurate.
3. The utility model discloses a third detection device has used pull rod displacement sensor to monitor the displacement of bumper shock absorber in third detection device, and pull rod displacement sensor's mounting means is simple, and the test result is accurate reliable.
4. The utility model adds the first detection device, the second detection device and the third detection device, so that the load monitoring is more accurate and the reliability is higher in the chassis suspension system test process; the number of strain foil patches is reduced, so that the test preparation time is reduced; more payload data acquisition is beneficial for targeting with CAE.
Drawings
FIG. 1 is a block diagram of the present invention;
FIG. 2 is a block diagram before modification;
FIG. 3 is a structural view of a first detecting unit;
FIG. 4 is a structural view of a second detecting unit;
FIG. 5 is a structural view of a third detecting unit;
fig. 6 is a structural view of the wheel six-component force sensor and the shock absorber.
Wherein reference numerals in the figures correspond to: 1-a frame main body, 2-a first frame, 3-a second frame, 4-a first detection device, 401-a sensor fixing bottom plate, 402-a detection device layer, 403-a sensor transition plate, 404-a trailing arm connecting support, 405-a connecting transition plate, 5-a second detection device, 501-a bottom plate, 502-a transition plate, 503-a spoke type force sensor, 504-a shock absorber connecting support, 6-a third detection device, 601-an upper connecting ball joint, 602-a pull rod displacement sensor, 603-a lower connecting support, 7-a fourth detection device and 8-a shock absorber.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings.
Examples
In the embodiment, the problem that the internal load of a chassis suspension cannot be effectively monitored in the chassis suspension system test process because the conventional vehicle chassis system test device only adopts a wheel six-component sensor is solved; the mode of pasting foil gage on spare part is subject to the result of spare part, and precision and reliability can't satisfy the demand scheduling problem, provides a vehicle chassis system testing arrangement, vehicle chassis system testing arrangement includes: the testing machine comprises a testing machine, a test bed frame and a sensor device, wherein the sensor device is arranged at the upper part of the test bed frame, and the testing machine is an MST329 testing machine;
the upper part of the test bench comprises a first rack 2, a second rack 3, a shock absorber 8 and a rack main body 1;
the first frame 2 and the second frame 3 are fixedly connected with the frame main body 1, the shock absorber 8 is fixedly connected with the second frame 3,
the sensor device comprises a first detection device 4, a second detection device 5, a third detection device 6 and a fourth detection device 7;
the first detection device 4 is fixedly installed on the first rack 2, the second detection device 5 is installed at the end part of the shock absorber 8 close to the second rack 3, the third detection device 6 is fixedly installed on the shock absorber 8, and the fourth detection device 7 is fixedly installed on a wheel.
In a specific embodiment, the fourth detecting device 7 is a wheel force six-component sensor.
In a specific embodiment, the first frame 2 and the second frame 3 are symmetrical structures.
In a particular embodiment, the sensor means are symmetrically distributed at both ends of said first frame 2 and said second frame 3.
The embodiment is an application improvement of various sensors of a test bed, mainly comprises a wheel force six-component sensor before the improvement, comprises a plurality of detection devices with different effects after the improvement, and simultaneously ensures the installation reliability and the measurement precision of the detection devices by optimizing the installation structure of the sensors. Two ends of the first rack are respectively provided with a first detection device which is mainly used for measuring the load of the longitudinal arm force of the chassis. And the two ends of the second rack are respectively provided with a second detection device, the two second detection devices are respectively connected with the two shock absorbers, and the second detection devices mainly measure the loads of the shock absorbers. The third detection device mainly measures the displacement of the shock absorber in the working process.
Examples
In the embodiment, the problem that the internal load of a chassis suspension cannot be effectively monitored in the chassis suspension system test process because the conventional vehicle chassis system test device only adopts a wheel six-component sensor is solved; the mode of pasting foil gage on spare part is subject to the result of spare part, and precision and reliability can't satisfy the demand scheduling problem, provides a vehicle chassis system testing arrangement, vehicle chassis system testing arrangement includes: the device comprises a testing machine, a test bench and a sensor device, wherein the sensor device is arranged at the upper part of the test bench;
the upper part of the test bench comprises a first rack 2, a second rack 3, a shock absorber 8 and a rack main body 1;
the first frame 2 and the second frame 3 are fixedly connected with the frame main body 1, the shock absorber 8 is fixedly connected with the second frame 3,
the sensor device comprises a first detection device 4, a second detection device 5, a third detection device 6 and a fourth detection device 7;
the first detection device 4 is fixedly installed on the first rack 2, the second detection device 5 is installed at the end part of the shock absorber 8 close to the second rack 3, the third detection device 6 is fixedly installed on the shock absorber 8, and the fourth detection device 7 is fixedly installed on a wheel.
In a specific embodiment, the fourth detecting device 7 is a wheel force six-component sensor.
In a specific embodiment, the first detection device 4 includes a sensor fixing substrate 401, a detection device layer 402, a sensor transition plate 403, a trailing arm connecting bracket 404, and a connecting transition plate 405, the sensor fixing substrate 401 is fixedly connected to one end of the first frame 2, the sensor fixing substrate 401 and the detection device layer 402 are fixedly installed between the sensor transition plate 403 and the sensor fixing substrate 401, one end of the trailing arm connecting bracket 404 is fixedly connected to an end of the sensor transition plate 403 far from the second frame, the other end of the trailing arm connecting bracket 404 is fixedly connected to the connecting transition plate 405, and an end of the connecting transition plate 405 far from the trailing arm connecting bracket 404 is fixedly connected to the sensor transition plate 403.
In a specific embodiment, the detection device layer 402 includes three-component force sensors.
In a specific embodiment, the second detecting device 5 includes a bottom plate 501, a transition plate 502, a spoke type force sensor 503 and a damper connecting bracket 504, one surface of the bottom plate 501 is fixedly connected to one end of the second frame 3, the other surface of the bottom plate 501 is fixedly connected to the transition plate 502, and both the spoke type force sensor 503 and the damper connecting bracket 504 are fixedly connected to the transition plate 502.
In a specific embodiment, the third detecting device 6 includes an upper connecting ball joint 601, a pull rod displacement sensor 602, and a lower connecting bracket 603, where the upper connecting ball joint 601 is fixedly connected to the shock absorber connecting bracket 504 and the pull rod displacement sensor 602, respectively, and the pull rod displacement sensor 602 is further fixedly connected to the lower connecting bracket 603.
In a specific embodiment, the damper 8 includes a damper mounting portion and a damper barrel coupled to the damper mounting portion, the damper mounting portion being fixedly coupled to the damper attachment bracket 504.
In a specific embodiment, a clamp is further disposed on the wall of the shock absorber barrel, and the clamp is fixedly connected to the lower connecting bracket 603.
The embodiment is an application improvement of various sensors of the test bed, mainly only a wheel six-component sensor is used before the improvement, four sensor devices are included after the improvement, and the reliability and the measurement accuracy of sensor installation are ensured by optimizing the sensor installation structure. The first detection device adopts three miniature three-way force sensors to perform distributed multi-level arrangement, so that the structure is compact and the installation is convenient. The assembly sequence is that the sensor fixing bottom plate is connected with the three-component force sensor through bolts, the three-component force sensor is connected with the sensor transition plate, the three-component force sensor and the sensor transition plate are integrally installed at two ends of the first frame, and then the transition plate is installed and connected. The second detection device adopts a spoke type force sensor, and is compact in structure, firm and reliable. The assembly sequence is that the transition plate is connected with the spoke type force sensor, the bottom plate is connected with the transition plate, and the spoke type force sensor and the shock absorber connecting support are connected. The third detection device adopts a pull rod type displacement sensor, and has simple and reliable structure and convenient arrangement. The assembly sequence is that the upper connecting ball joint is connected with the connecting transition plate, and then the lower connecting support is connected with the barrel wall of the shock absorber through the clamp.
Implement the utility model discloses, following beneficial effect has:
1. the utility model discloses a second detection device has used spoke formula force sensor in the second detection device for data acquisition's precision and reliability obtain improving, thereby can follow the experimental test data who acquires high accuracy and high reliability.
2. The utility model discloses a first detection device has adopted a plurality of three fens force transducer's overall arrangement in first detection device, can obtain the load of three direction in the experimentation for experimental data's acquisition is more, and is more accurate.
3. The utility model discloses a third detection device, the displacement of bumper shock absorber has been monitored to pull rod displacement sensor among the third detection device, and pull rod displacement sensor's mounting means is simple, and the test result is accurate reliable.
4. The utility model adopts the six-component sensor of the wheel, the first detection device, the second detection device and the third detection device, so that the load monitoring is more accurate and the reliability is higher in the test process of the chassis suspension system; the number of strain foil patches is reduced, so that the test preparation time is reduced; more payload data acquisition is beneficial for targeting with CAE.
The above-disclosed embodiments are merely exemplary embodiments of the present invention, which should not be construed as limiting the scope of the invention, but rather as equivalent variations of the invention are covered by the following claims.
Claims (8)
1. The vehicle chassis system testing device comprises a test bench and is characterized by further comprising a detection device, wherein the detection device is installed on the test bench;
the test bench comprises a first rack (2), a second rack (3), a shock absorber (8) and a rack main body (1); the first frame (2) and the second frame (3) are fixedly connected with the frame main body (1), the shock absorber (8) is fixedly connected with the second frame (3),
the detection device comprises a first detection device (4), a second detection device (5), a third detection device (6) and a fourth detection device (7); the first detection device (4) is fixedly installed on the first rack (2), the second detection device (5) is installed at the end part, close to the second rack (3), of the shock absorber (8), the third detection device (6) is fixedly installed on the shock absorber (8), and the fourth detection device (7) is fixedly installed on a wheel.
2. The vehicle chassis system testing device according to claim 1, wherein the first detecting device (4) includes a sensor fixing base plate (401), a detecting device layer (402), a sensor transition plate (403), a trailing arm connecting bracket (404), and a connecting transition plate (405), the sensor fixing bottom plate (401) is fixedly connected with one end of the first frame (2), the sensor fixing substrate (401), the detection device layer (402) are arranged between the sensor transition plate (403) and the sensor fixing substrate (401), one end of the trailing arm connecting bracket (404) is fixedly connected with the end part of the sensor transition plate (402) far away from the second frame, the other end of the trailing arm connecting bracket is fixedly connected with the connecting transition plate (405), the end of the connecting transition plate (405) far away from the trailing arm connecting bracket (404) is fixedly connected with the sensor transition plate (403).
3. The vehicle chassis system testing arrangement of claim 2, wherein the detection device layer (402) includes three-component force sensors.
4. The vehicle chassis system testing device according to claim 2, wherein the second detecting device (5) comprises a bottom plate (501), a transition plate (502), a spoke type force sensor (503) and a shock absorber connecting bracket (504), one surface of the bottom plate (501) is fixedly connected with one end of the second frame (3), the other surface of the bottom plate is fixedly connected with the transition plate (502), and the spoke type force sensor (503) and the shock absorber connecting bracket (504) are both fixedly connected with the transition plate (502).
5. The vehicle chassis system testing device according to claim 4, wherein the third detecting device (6) comprises an upper connecting ball joint (601), a pull rod displacement sensor (602) and a lower connecting bracket (603), the upper connecting ball joint (601) is fixedly connected with the shock absorber connecting bracket (504), and the pull rod displacement sensor (602) is installed between the upper connecting ball joint (601) and the lower connecting bracket (603).
6. The vehicle chassis system testing device of claim 5, wherein the shock absorber (8) includes a shock absorber mount and a shock absorber bucket coupled to the shock absorber mount, the shock absorber mount being fixedly coupled to the shock absorber coupling bracket (504).
7. The vehicle chassis system testing device according to claim 6, wherein a clamp is further provided on the damper tub wall, and the clamp is fixedly connected with the lower connection bracket (603).
8. The vehicle chassis system testing device according to claim 1, wherein the fourth detecting device (7) is a wheel force six-component sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921182139.7U CN210293701U (en) | 2019-07-25 | 2019-07-25 | Vehicle chassis system testing arrangement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921182139.7U CN210293701U (en) | 2019-07-25 | 2019-07-25 | Vehicle chassis system testing arrangement |
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| Publication Number | Publication Date |
|---|---|
| CN210293701U true CN210293701U (en) | 2020-04-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921182139.7U Active CN210293701U (en) | 2019-07-25 | 2019-07-25 | Vehicle chassis system testing arrangement |
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| CN (1) | CN210293701U (en) |
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- 2019-07-25 CN CN201921182139.7U patent/CN210293701U/en active Active
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