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Synchronizer gear ring performance testing device and method

A technology of synchronizer gear ring and testing equipment, which is applied in the testing of machine/structural components, testing of mechanical components, instruments, etc., and can solve the problems of inability to simulate the friction characteristics of synchronous rings, different performances of synchronous rings, and single functions.

Inactive Publication Date: 2019-06-07
WUHAN KYOWA SYNCHRONIZER RING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The existing single wear test machine has a single function and is a forced wear test, which cannot simulate the friction characteristics of the synchronous ring in actual work. At the same time, because the inertia of each gear in the gearbox is different from the working conditions, the performance of the synchronous ring tested should also be different, and the existing unit testing machine cannot meet this requirement

Method used

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  • Synchronizer gear ring performance testing device and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0058] The synchronizer gear ring performance testing equipment is characterized in that it includes a driving unit, a testing unit, and a pressure loading unit.

[0059] The driving unit is used to provide a driving force for circular rotation and has a driving shaft 3;

[0060] The test unit is used to place the synchronizer ring for testing, and has a first connecting shaft 2121, a gear cone 20 arranged on the first connecting shaft 21, a second connecting shaft 22, and a gear cone arranged on the second connecting shaft 22. on the gear sleeve 19,

[0061] The drive shaft 3, the first connecting shaft 21, the gear cone 20, the second connecting shaft 22 and the gear sleeve 19 are coaxially arranged,

[0062] The gear cone 20 is used to directly install the fixed synchronizer ring,

[0063] The second connecting shaft 22 can move axially so that the tooth sleeve 19 can contact the synchronizer ring mounted on the gear cone 20; and

[0064] The pressure loading unit is use...

Embodiment 2

[0070] On the basis of Embodiment 1, in order to automatically control the clutch of the drive shaft 3 and the first connecting shaft 21, the test equipment provided by this embodiment also includes:

[0071] Electric control cabinet 8 and electromagnetic clutch 17,

[0072] The electromagnetic clutch 17 connects the drive shaft 3 and the prime mover,

[0073] The electrical control cabinet 8 is electrically connected with the electromagnetic clutch 17, and is used to control the clutch state of the electromagnetic clutch 17 so that the drive shaft 3 and the prime mover are switched between the clutch state and the clutch state.

Embodiment 3

[0075] On the basis of Embodiments 1 and 2, in order to better simulate the working condition of the synchronizer in the reduction box, the test unit also includes an oil tank 4 that seals the gear cone 20, the gear sleeve 19 and the synchronizer ring.

[0076] This design fully takes into account that the working state of the gearbox is fully submerged by lubricating oil, so that the test results are more in line with the real performance in actual use.

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Abstract

The invention relates to a synchronizer gear ring performance testing device, and relates to the technical field of testing equipment. The device comprises a driving unit, a testing unit and a pressure loading unit, wherein the driving unit is provided with a driving shaft; the testing unit is provided with a first connecting shaft, a gear cone arranged on the first connecting shaft, a second connecting shaft and a gear sleeve arranged on the second connecting shaft; the pressure loading unit includes a fixing shaft which is connected with the second connecting shaft and cannot rotate in the circumferential direction and a pressure loading assembly, the pressure loading assembly is used for driving the fixing shaft to move along the axial direction, the driving unit is provided with a speed sensor used for detecting the real-time speed of the driving shaft, the second connecting shaft or the fixing shaft is provided with a torque sensor used for detecting the torque, and the pressure loading assembly or the fixing shaft is provided with a pressure sensor to detect the acting force driving the fixing shaft to move along the axial direction. The device can carry out an abrasion teston a synchronization ring during combination through manually or automatically controlling the separation and combination state. The synchronization performance of the synchronization ring is tested during the process of multiple times of combination and separation.

Description

technical field [0001] The invention relates to the technical field of test equipment, in particular to a special-purpose synchronizer gear ring performance test equipment, whose function is mainly to test and evaluate the performance (material aspect) of the manual gearbox synchronizer ring. Background technique [0002] With the further development of the automobile industry, the market competition is becoming more and more fierce, the market has more and more strict requirements on product performance, and the product types are more diversified. Therefore, when developing new products to better meet customer needs, refer to existing monomers Abrasion testing machine and manual gearbox synchronizer shifting principle: the function of the gearbox synchronizer is to quickly synchronize the speed of the combined gear sleeve and the gear to be meshed to achieve gear shifting. The performance directly affects the shifting effect of the gearbox. The resistance (inertia) overcome...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M13/021G01M13/025
Inventor 何克奇李霞王小刚唐波舒伦陈涵
Owner WUHAN KYOWA SYNCHRONIZER RING