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Testing device and testing method for automobile gear shifting system performance

A technology for testing device and system performance, which is applied in the testing of machine gears/transmission mechanisms, etc. It can solve the problems that safety hazards cannot be completely eliminated, manufacturing error tests cannot be accurately simulated, etc., and the measurement method is simple and easy, and the cost is low. The effect of eliminating potential safety hazards

Active Publication Date: 2013-07-24
上海思晋智能科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the motion trajectory of the actual shifting process is a circular arc curve, and using a linear motor or cylinder as the power source of the shifter, only linear motion can be achieved. Therefore, the common defect of the above-mentioned technologies is that the curved motion of shifting cannot be accurately simulated. , the measurement error is large, and the existing technology can only test the gearshift force, but cannot test the manufacturing error (such as the gap), so that the performance test technology of the existing automotive gearshift system still has deficiencies, which cannot be completely ruled out. Potential safety hazards caused by manufacturing errors

Method used

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  • Testing device and testing method for automobile gear shifting system performance
  • Testing device and testing method for automobile gear shifting system performance
  • Testing device and testing method for automobile gear shifting system performance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Use the test device provided by the invention to test the shifting force of the shifter (the test structure schematic diagram is as follows figure 2 shown) the steps are as follows:

[0039] 1) Fix the shifter 9 to be tested on the workbench 10, connect the uniaxial force sensor (50N, resolution 0.1N) 2, the pull wire displacement sensor (500mm, resolution 0.01mm) 3 and the six-axis industrial robot 1, and the clamp 6 connected with the force sensor 2 is correctly nested on the ball head 8 of the shifter handle;

[0040] 2) The test unit 5 calculates the trajectory of the vehicle coordinate system and the coordinate values ​​of each gear point of the handball force point (POF) at each gear point according to the RPS point of the gear shifter 9 to be tested, and then according to the vehicle coordinates The coordinate value of each gear position in the vehicle coordinate system is accurately converted to the coordinate value in the user coordinate system according to t...

Embodiment 2

[0044]Use the test device provided by the invention to test each gear gap of the shifter (the schematic diagram of the test structure is as follows: image 3 shown) the steps are as follows:

[0045] 1) Fix the shifter 9 to be tested on the workbench 10, connect the uniaxial force sensor (50N, resolution 0.1N) 2, the grating displacement sensor (100mm, resolution 0.001mm) 3 and the six-axis industrial robot 1, and the clamp 6 connected to the force sensor 2 is correctly nested on the ball head 8 of the shifter handle, and the locking plunger of the shifter 9 is released, and the cable is fixed using the cable fixing piece 12. The ball head 11 is fixed;

[0046] 2) The test unit 5 calculates the coordinate value of the shifter 9 in the vehicle coordinate system according to the RPS point of the shifter 9 to be tested, and then moves the shifter 9 according to the positional relationship between the vehicle coordinate system and the user coordinate system. The coordinate value...

Embodiment 3

[0050] Use the test device provided by the invention to test the front and rear stroke compliance of the shifter (the schematic diagram of the test structure is as follows: image 3 shown) the steps are as follows:

[0051] 1) Fix the shifter 9 to be tested on the workbench 10, connect the uniaxial force sensor (400N, resolution 0.1N) 2, the grating displacement sensor (100mm, resolution 0.001mm) 3 and the six-axis industrial robot 1, and the clamp 6 connected to the force sensor 2 is correctly nested on the ball head 8 of the shifter handle, and the locking plunger of the shifter 9 is released, and the cable is fixed using the cable fixing piece 12. The ball head 11 is fixed;

[0052] 2) The test unit 5 calculates the coordinate value of the shifter 9 in the vehicle coordinate system according to the RPS point of the shifter 9 to be tested, and then moves the shifter 9 according to the positional relationship between the vehicle coordinate system and the user coordinate syst...

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Abstract

The invention discloses a testing device and a testing method for automobile gear shifting system performance. The testing device comprises a working platform and a gear shifting system to be tested, wherein the gear shifting system to be tested is fixedly arranged on the working platform. The testing device is characterized in that the testing device further comprises a six-shaft industrial robot, wherein the six-shaft industrial robot is connected with a force sensor, a displacement sensor and a controlling unit, the controlling unit is connected with a testing unit in a bi-directional mode, the force sensor is further connected with a fixture, and the fixture is nested outside a measuring ball head of the gear shifting system to be tested. According to the testing device for the automobile gear shifting system performance, a working curved-line moving process of a gear shifter can be simulated precisely, measuring errors generated in a rectilinear motion are avoided, manufacturing cost is low, and the range of application is wide. In addition, due to the fact that the position of the gear shifting system in a finished automobile coordinate system is precisely converted in a user coordinate system, precise location is conduced, the influences by a manufacturing error and a location error and an attitude error in modular system construction are effectively avoided, measuring precision is ensured, testing parameters are comprehensive, and adaptability is strong.

Description

technical field [0001] The invention relates to a performance test device for an automobile shift system and a performance test method for the automobile shift system using the device, which belongs to the technical field of automobile parts detection. Background technique [0002] The performance of the car's shifting system (including shifter, cable and gearbox) directly affects the safety of the car. [0003] Chinese patent CN200820217704.4 discloses a detection workstation, which fixes the car shifter assembly on a worktable, and then uses a jaw that can move back and forth, left and right relative to the car shifter body to hold the shifter The electric control system controls the jaws to move back and forth, left and right, and simulates the handle shifting in reality, so as to obtain a series of data generated during the shifting process and compare them with the set parameters to detect the shifter to be tested Whether the assembly is defective. Chinese patent CN20...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/02
Inventor 朱沂俞皆健巴军曹勇
Owner 上海思晋智能科技有限公司
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