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Testing apparatus of axial load loading of gear case and testing method thereof

A loading test device and axial load technology, applied in the direction of machine gear/transmission mechanism testing, etc., can solve the problem of inability to load the gearbox axial load test, etc., and achieve the effects of reducing vibration, improving test accuracy and improving test accuracy.

Active Publication Date: 2014-07-30
CHONGQING GEARBOX
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

Since the axial thrust is generated during the operation of the working machine, and in the factory test of the gearbox, only the power loading test is carried out on the gearbox, and the axial load loading test cannot be carried out on the gearbox, so if the test condition of the gearbox There are differences from the actual working conditions, and the test results cannot verify the design well

Method used

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  • Testing apparatus of axial load loading of gear case and testing method thereof

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Embodiment 1

[0023] Embodiment 1: as figure 1 As shown, a vertical gearbox axial load loading test device includes a hydraulic cylinder, and the hydraulic cylinder includes a cylinder body 3 and a piston 5 arranged in the cylinder body 3 . The piston 5 is provided with a connection through hole 51, and the connection through hole 51 is provided with a connecting rod assembly 2 for connecting with the output flange 1 of the gearbox. The connecting rod assembly 2 is sequentially fitted with a spherical roller thrust bearing 6 , a bearing baffle 8 and a round nut 7 , and the thrust bearing 6 is arranged close to the end surface of the piston 5 .

[0024] In this embodiment, the connecting rod assembly 2 is loosely fitted with the connecting through hole 51, so that the connecting rod assembly can rotate together with the output shaft and the piston does not rotate, so that the power loading test and the thrust loading test can be performed simultaneously.

[0025] In this embodiment, the hyd...

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Abstract

The invention discloses a testing apparatus of axial load loading of a gear case and a testing method thereof. The apparatus is characterized in that: the apparatus comprises a hydraulic cylinder; the hydraulic cylinder includes a cylinder body (3) and a piston (5) that is arranged in the cylinder body (3); a connection through hole (51) is arranged in the piston (5); a connecting rod assembly (2) that is used for connecting an output flange (1) of a gear case is arranged in the connection through hole (51); a thrust bearing (6), a bearing baffle (8) and a round nut (7) are successively sleevedly arranged on the connecting rod assembly (2); and the thrust bearing (6) adjoins the end surface of the piston (5). According to the invention, on the basis of a hydraulic principle, a piston of a hydraulic cylinder is driven to apply an axial thrust on a tested gear case; and the axial loading force can be accurately controlled; therefore, the testing condition can be closer to the actual condition of the gear case, so that testing precision can be substantially improved.

Description

technical field [0001] The invention relates to a gear box test device and method, in particular to an axial load loading test device and method of a gear box. Background technique [0002] In the prior art, when the gearbox leaves the factory, a power loading test needs to be performed on the gearbox to verify the quality of the gearbox. However, when the gearbox is actually working, some of the working machines driven by the gearbox will generate an axial additional thrust and act on the gearbox during operation. For example, a nuclear power circulation pump is equipped with a gearbox, and the circulation pump driven by the gearbox will generate a downward axial thrust during operation, and the thrust will be borne by the gearbox eventually. Since the axial thrust is generated during the operation of the working machine, and in the factory test of the gearbox, only the power loading test is carried out on the gearbox, and the axial load loading test cannot be carried out ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M13/02
Inventor 杜木信李薛阙洪军曹云汤云聂勋铁樊绍忠
Owner CHONGQING GEARBOX
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