Timing belt durability tester and timing belt durability testing method

A technology for durability testing and timing belts, which is applied in the testing of mechanical components, testing of machine/structural components, testing of machine gears/transmission mechanisms, etc. It can solve the problems of belt pulley application, reliability discount of durability test results, and non-existence. , to achieve the effects of low power consumption, energy saving and low cost

Active Publication Date: 2016-11-16
LITENS AUTOMOTIVE PARTS (SUZHOU) CO LTD
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Problems solved by technology

Since this method cannot apply the load in actual use to the pulley, the measured belt does not have the characteristics of different tension

Method used

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  • Timing belt durability tester and timing belt durability testing method
  • Timing belt durability tester and timing belt durability testing method
  • Timing belt durability tester and timing belt durability testing method

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[0033] As mentioned in the background art section, traditional belt endurance testing machines generally use modified engines. This method has disadvantages such as low endurance testing flexibility, high cost of the testing machine, and waste of electric energy. The endurance test of the timing belt that is not installed on the engine body generally uses the method without gear train load. Because this method cannot apply the load in actual use to the belt pulley, the tested belt does not have the characteristics of different tension between the loose edge and tight edge under actual working conditions, and the reliability of the durability test results is greatly reduced.

[0034] In view of the shortcomings in the prior art, the present invention provides a timing belt durability testing machine, which uses mechanical principles to form a rotation angle difference in the gear train, so that the timing toothed belt can realize and maintain the tension of the elastic side on the ...

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Abstract

The invention discloses a timing belt durability tester which comprises at least two layers of wheel systems. A mechanical principle is utilized for forming a rotation angle difference in the wheel systems so that a timing notched belt can be realized on a durability tester and different tensions at a loose side and a tense side are kept. Hereon, high matching degree between the force bearing state of the belt and the force bearing state in practical application is realized, and better testing effect is obtained. The timing belt durability tester has advantages of simple structure and low fabrication cost. On the condition that no external load of a driven wheel occurs, an adjustable load is generated in the wheel system, thereby simulating different tension characteristics at the loose side and the tense side. On the condition that no real engine exists, the dynamic tension change characteristic of the belt can be simulated, thereby realizing load power circulation in the wheel system. A motor only requires overcoming the friction resistance of the system, thereby saving energy consumption in driving an air inlet/outlet camshaft by a traditional tester, and realizing ultralow energy consumption.

Description

technical field [0001] The invention belongs to the field of belt durability testing, and in particular relates to a timing belt durability testing machine and a testing method. Background technique [0002] Durability test is an indispensable link in the development process of auto parts. The durability testing machine is used to simulate the running state of auto parts in real use, operate for a long time in the state closest to the actual working condition or in a state worse than the actual working condition, and record the key performance parameters of the parts to achieve Equivalent assessment of component life. [0003] The timing toothed transmission belt is the core part of the timing system of the automobile engine. During the working process of a four-stroke automobile engine, the four processes of air intake, compression, combustion and work, and exhaust continuously occur in the cylinder. The timing of each process must be coordinated with the motion state an...

Claims

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Application Information

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IPC IPC(8): G01M13/02
CPCG01M13/023
Inventor 张逸刘政
Owner LITENS AUTOMOTIVE PARTS (SUZHOU) CO LTD
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