Vehicle axle load testing device used as braking station sensor
A testing device and sensor technology, applied in measurement devices, instruments, force/torque/work measuring instruments, etc., can solve the problems of reducing the overall reliability of the detection system, increasing the labor intensity of operators, and increasing the space requirements for device layout, etc. The effect of expanding the effective inspection work surface, improving the testing efficiency, improving the inspection progress and accuracy
Inactive Publication Date: 2010-05-19
ZHEJIANG UNIV +1
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Problems solved by technology
At present, most of the test devices use the braking force test and the axle load test as two separate devices. In this way, the braking performance test must be divided into two stations for arrangement, which increases the space requirements for the arrangement of the device. , while increasing the number of stops during the test, increasing the test time, reducing the test efficiency, and increasing the labor intensity of the operator
In addition, during the brake test, in order to realize automatic detection, it is necessary to add an additional brake test station to measure the in-position sensor
It is bound to increase the device and reduce the overall reliability of the detection system
Method used
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[0021] Such as Figure 1 to Figure 4 As shown, the motor vehicle axle load test device double as the brake station sensor of the present invention includes a cuboid workbench frame 3, four working cylinders 4 placed in the workbench frame 3, four cylinders corresponding to the working cylinders 4 A load cell 5, four sensor fixing bases 10, and a drum type braking force test bench 2. Such as figure 2 and Figure 4 As shown, the working cylinders 4 are respectively placed at the four corners of the inner side of the workbench frame 3; on (see image 3 ).
[0022] Such as Figure 6 As shown, the working cylinder 4 is divided into a cylinder upper chamber 14 and a cylinder lower chamber 16 by a working piston. There is an upper chamber air exchange port 15 in the cylinder upper chamber 14, and a lower chamber air exchange port 17 in the lower chamber 16 of the cylinder.
[0023] Such as Figure 5A and Figure 5B As shown, the load cell 5 of the present invention is fixed...
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The invention discloses a motor vehicle axle load testing device used as a braking station sensor, which mainly comprises a working platform stand, four working air cylinders, a force measurement sensor, a sensor fixing base and a drum type braking force testing platform, wherein the four working air cylinders are arranged in the working platform stand, the drum type braking force testing platform is fixedly installed at a center position in the working platform stand, the working air cylinders are respectively arranged at the positions of the four corners of the inner side of the working platform stand and are fixedly installed with the inner wall of the working platform stand, the force measurement sensor is fixedly installed on the sensor fixing base, and the working push rods of the working air cylinders are opposite to a force measurement contact of the force measurement sensor. The invention has the advantages that the invention has the function of measuring braking force and axle load and reduces the parking and positioning times and the test time; the measurement is accurate and reliable; and the entire height of the testing platform is lowered, and the maintenance is easy.
Description
technical field [0001] The invention relates to a testing device for braking force and axle load of a motor vehicle. Background technique [0002] The performance of the motor vehicle braking device is directly related to the safety of the motor vehicle operation. Generally, the index to measure the braking performance is expressed by the percentage of the braking force (braking force) and the axle load (reflecting the vehicle weight). At present, most of the test devices use the braking force test and the axle load test as two separate devices. In this way, the braking performance test must be divided into two stations for arrangement, which increases the space requirements for the arrangement of the device. , while increasing the number of stops during the test, increasing the test time, reducing the test efficiency, and increasing the labor intensity of the operator. In addition, during the brake test, in order to realize automatic detection, it is necessary to add an a...
Claims
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Inventor 何文华姚建松顾赟朱张才施瑞明沈兵熊树生吕胤鼎
Owner ZHEJIANG UNIV