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Device and method for endurance experiment of automatic gearshift

A technology of automatic shifting and experimental device, applied in the field of vehicle experiment, can solve the problems of extensive test action, lack of automatic shifting mechanism performance, lack of sensor elements, etc., and achieve the effect of powerful logic programming ability and precise control ability.

Inactive Publication Date: 2014-02-12
CHERY AUTOMOBILE CO LTD
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  • Abstract
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Problems solved by technology

Due to the lack of logic programming ability of the control system and the lack of relevant sensing elements in the executive parts of the pneumatic system with the linear cylinder as the main device, the system needs to split a complete test process into three steps during the test process. Carry out test assessment, the test action is extensive, and there is no monitoring method for the performance change of the automatic shift mechanism during the endurance test

Method used

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  • Device and method for endurance experiment of automatic gearshift
  • Device and method for endurance experiment of automatic gearshift
  • Device and method for endurance experiment of automatic gearshift

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Embodiment Construction

[0020] figure 1 It is a structural schematic diagram of a durability test device for an automatic shift mechanism of the present invention, the automatic shift mechanism assembly 6 is installed on the mounting bracket 8, and the automatic transmission assembly 10 connects with the automatic shift mechanism assembly 6 through the shift cable 9 Connections, also including the gearshift mechanism and control system;

[0021] The shift control mechanism includes a fixed base 1, a hydraulic cylinder assembly 3 installed on the fixed base 1, and a loading rod 5 connected to the hydraulic cylinder. There are two groups of shift control mechanisms. The loading lever 5 is connected with the shift lever of the automatic shift mechanism assembly 6;

[0022] The control system includes a PC, a controller connected to the PC and a displacement sensor 2 arranged on the hydraulic cylinder assembly 3, such as image 3 As shown, the displacement sensor 2 is connected with the controller to c...

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Abstract

The invention discloses a device and method for an endurance experiment of an automatic gearshift. According to the device and method for the endurance experiment of the automatic gearshift, a hydraulic servo system serves as a control system, and two linear hydraulic cylinders are arranged in a mode that a 90-degree included angle is formed between the two linear hydraulic cylinders; with the gear shifting track of the automatic gearshift as a standard, displacement tracks of the linear hydraulic cylinders are edited through the control system to enable the movement tracks of the linear hydraulic cylinders to meet the test requirements of the gear shifting track, and all gears of the automatic gearshift are placed in one test process completely for examination by making full use of the strong logic programming capacity and accurate control capacity of the system.

Description

technical field [0001] The invention belongs to the technical field of vehicle experiments, and in particular relates to a durability experiment device and method of an automatic shift mechanism. Background technique [0002] At present, the main domestic manufacturers of automatic shifting mechanism and complete vehicle manufacturers mainly use the pneumatic system with linear cylinder as the main device for durability test and assessment of the durability test of automatic shifting mechanism, and very few use special simulation mechanical arms imported from abroad. Carry out a system test that simulates the gear shift system of the whole vehicle. Due to the lack of logic programming ability of the control system and the lack of relevant sensing elements in the executive parts of the pneumatic system with the linear cylinder as the main device, the system needs to split a complete test process into three steps during the test process. The test assessment is carried out, th...

Claims

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Application Information

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IPC IPC(8): G01M13/02
Inventor 杨锡伟章礼文仝海军韩畅刘来云田朋涛
Owner CHERY AUTOMOBILE CO LTD
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