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Test method of drag torque component of double clutch automatic gearbox

An automatic transmission and dual clutch technology, applied in the testing of machine/structural components, vehicle testing, instruments, etc., can solve the problem of inability to know the effect of the optimization scheme, inability to know the specific composition of the gearbox drag torque, inability to clarify optimization measures, etc. problems, to achieve the effect of low procurement cost, improved transmission efficiency, and easier implementation

Active Publication Date: 2019-04-05
ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It is impossible to know the specific composition of the drag torque of the gearbox, let alone the specific optimization measures, and it is impossible to know the effect of the improvement of the optimization scheme

Method used

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  • Test method of drag torque component of double clutch automatic gearbox
  • Test method of drag torque component of double clutch automatic gearbox
  • Test method of drag torque component of double clutch automatic gearbox

Examples

Experimental program
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Effect test

Embodiment Construction

[0015] The present invention provides a method for testing the drag torque components of a dual-clutch automatic transmission, which includes: providing: a standard dual-clutch and drag torque test bench, which also includes: standard test: performing a standard test on the standard dual-clutch Plan P S And record the standard torque value T A ; Rigidity test: Replace the friction plate of the standard double clutch with a special steel plate to obtain a rigid clutch that can transmit power without the pressure provided by the oil pump. Test plan P S1 And record the rigid torque value group T S1 ; Spline test: replace the standard double clutch with a spline sleeve to transmit power, and carry out multiple spline sleeve test schemes according to the numerical changes of the main pressure, clutch pressure and lubricating oil consumption S2 And record the spline sleeve torque value group T S2 ; Numerical calculation: according to the standard torque value T A , the stiffnes...

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Abstract

The invention relates to a test method of a drag torque component of a double clutch automatic gearbox. The test method of the drag torque component of the double clutch automatic gearbox comprises the following steps that a standard test scheme is carried out on a standard double clutch, and a standard torque value is recorded; a friction plate of the standard double clutch is replaced with a special steel plate to obtain a rigid clutch which can transmit power without pressure provided by an oil pump, a plurality of rigid test schemes are carried out, and a rigid torque value group is recorded; a spline test is carried out, specifically, the standard double clutch is replaced with a spline sleeve to transmit power, a plurality of spline sleeve test schemes are carried out specifically, and a spline sleeve torque value group is recorded; and according to the standard torque value, the rigid torque value group and the spline sleeve torque value group, as well as the no-load resistancemoment of an oil pump unit, the drag torque component of the double clutch automatic gearbox is calculated. The test method of the drag torque component of the double clutch automatic gearbox is simple in principle and convenient to operate.

Description

technical field [0001] The invention belongs to the field of drag torque test and analysis of automatic gearboxes of automobiles, and in particular relates to a testing method for the drag torque components of a dual-clutch automatic gearbox. Background technique [0002] At present, as the emission regulations of fuel vehicles become more and more stringent, the future development trend of automobiles is clearly proposed as energy-saving vehicles, new energy vehicles and intelligent networked vehicles. Transmission automation, high efficiency and core component technology are one of the development priorities, among which reducing transmission loss is one of the main technical paths for automatic transmission high efficiency. The main power loss of the automatic transmission is its own internal resistance, that is, the drag torque. The increase of the drag torque will lead to the reduction of the transmission efficiency of the entire transmission system, and the drag torqu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M17/007G01L5/22
CPCG01L5/22G01M17/007
Inventor 陈飞任翔崔刚方志勤刘春峰朱丹丹
Owner ANHUI JIANGHUAI AUTOMOBILE GRP CORP LTD
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