Torque test auxiliary tool of synchronizer

Abstract

The invention discloses a torque test auxiliary tool of a synchronizer. The torque test auxiliary tool of the synchronizer comprises a torque bearing wheel and a torque input shaft, wherein the torque bearing wheel comprises a flange, a middle shaft and a gear sleeve fixing disk which are fixed in sequence, the flange is capable of being fixedly connected with a test bench, the gear sleeve fixing disk is capable of being fixed to a synchronizer gear sleeve to be detected, and the synchronizer gear sleeve is in tooth engagement with a synchronizer gear hub; and one end of the torque input shaft is coaxially fixed to a power input shaft, and the other end is provided with a driving gear engaged with the synchronizer gear hub. According to the invention, the synchronizer gear sleeve and the synchronizer gear hub are engaged, the torque input shaft and the synchronizer gear hub are engaged, the power input shaft is enable to apply a dynamic and bidirectional load, and in this way, the reliability of a synchronizer is detected, and the production quality of the synchronizer is improved; in addition, the torque test auxiliary tool is capable of ensuring the production quality of the synchronizer in a synchronizer production process, so that the problem that the quality problem of the synchronizer is not found until in a complete vehicle test is solved, so that the manufacturing cost of an integral vehicle is lowered.

Description

technical field [0001] The invention relates to the technical field of synchronizer processing, in particular to an auxiliary torque test tool for a synchronizer. Background technique [0002] In a gearbox with a synchronizer, the reliability of the synchronizer will directly affect the shift performance, comfort and safety of the gearbox. Therefore, at present, when producing synchronizers, it is necessary to evaluate the reliability of the synchronizers to ensure the above-mentioned performance of the gearbox. [0003] In the traditional technology, the reliability test of the synchronizer is mainly aimed at the torque transmission reliability of the synchronizer. There are two specific verification methods as follows: [0004] The first is to verify the reliability of the synchronizer under static and one-way load in the worst gear in the static torsion test of the gearbox. [0005] The second is to verify the comprehensive reliability of the synchronizer in the vehicle...

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Problems solved by technology

[0006] Although the first method has verified the reliability of the synchronizer under static and one-way loads in the worst gear, the parts are subjected to dynamic loads in actual work, so this method does not consider the impact of alternating impact loads on the synchronizer. Reliability impact, resulting in poor production quality of synchronizers

[0007] In the second method, the whole vehicle test cannot guarantee that the synchronizer is in the worst working condition; and the whole vehicle test should be carried out after the component test is verified to be qualified. The manufacturing cost is too high; in addition, the vehicle test is protracted, the cycle is long, and the efficiency is low

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