Measurement and test device for transient surface temperature of friction plate of dry clutch
A technology of dry clutch and transient temperature, which is applied in measuring devices, optical radiation measurement, radiation pyrometry, etc. It can solve the problems of hysteresis measurement error and slow temperature response, and achieve fast response speed, low cost and simple design Effect
Active Publication Date: 2014-08-06
重庆理工清研凌创测控科技有限公司
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Patent CN201120152792.6 introduces a test device for detecting the friction steel plate temperature of a wet multi-plate clutch for vehicles. The device has a simple structure and low cost, and can simulate the operating conditions of a wet multi-plate clutch, but it is only suitable for wet clutches. Moreover, the method of installing thermocouples also has the problems of slow temperature response, hysteresis and large measurement errors.
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0025] like Figure 1~4 As shown, a dry clutch friction plate surface transient temperature measurement test device includes a bracket 1, a hollow shaft 2, a collector ring 3, a sensor mounting plate 4, an infrared temperature sensor 5, a flywheel plate connecting plate 6, and a clutch friction plate 7. Flywheel disc 8, transmission case 12, bearing seat 13, clutch cover assembly 15 and data collector 22.
[0026] The sensor mounting plate 4 is connected to the left side of the flywheel disc connection plate 6 by bolts, and the flywheel disc 8 is connected to the right side of the flywheel disc connection plate 6 by bolts. The hollow shaft 2 is installed on the support 1 through the bearing seat and the bearing. The collector ring 3 is set on the hollow shaft 2 and is located on the left side of the bracket 1. The inner ring of the collector ...
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The invention discloses a measurement and test device for transient surface temperature of a friction plate of a dry clutch. The measurement and test device comprises a bracket, a hollow shaft, a collector ring, a mounting plate of a sensor, an infrared temperature sensor, a connecting plate of a flywheel panel, the friction plate of the clutch, the flywheel panel, a clutch cover assembly and a data collector; the mounting plate of the sensor, the connecting plate of the flywheel panel, the flywheel panel and the clutch cover assembly are fixedly arranged in sequence; the hollow shaft is rotationally arranged on the bracket, and the connecting plate of the flywheel panel is fixed at the end of the hollow shaft; the infrared temperature sensor is arranged inside a mounting hole of the sensor, and a probe of the infrared temperature sensor can directly detect the surface temperature of the friction plate of the clutch through a through hole on the flywheel panel; and the infrared temperature sensor outputs electric signals to the data collector through a signal wire and the collector ring. Due to the infrared temperature sensor adopted in the invention, the measurement and test device has the advantages of high dynamic response speed, less errors, long service life and the like, and can directly measure the transient surface temperature of the friction plate of the clutch in any operating conditions in real time.
Description
technical field [0001] The invention relates to a dry clutch test device, in particular to a dry clutch friction plate surface transient temperature measurement test device. Background technique [0002] When the clutch is engaged, the sliding friction between the friction plate and the pressure plate and the flywheel makes the surface temperature of the friction plate rise rapidly. Since the clutch engagement time is very short, the surface temperature of the friction plate changes rapidly, and the temperature rises suddenly in a very short time , often referred to as the flash temperature. The temperature rise has an important impact on the friction characteristics of the friction pair, and it is of great significance to accurately grasp the surface temperature characteristics of the clutch friction plate for the study of the coupling characteristics of the clutch. Therefore, it is very important to invent a test device that can accurately measure the transient temperatur...
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IPC IPC(8): G01J5/00
Inventor 张志刚
Owner 重庆理工清研凌创测控科技有限公司