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Test device for radial static pressure gas bearing experiment

A technology of static pressure gas bearing and testing device, which is applied in the direction of mechanical bearing testing, etc.

Pending Publication Date: 2019-05-24
NORTHEAST FORESTRY UNIVERSITY
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Problems solved by technology

The traditional suspension method uses the method of directly hanging weights on the main shaft, which can only test the load-bearing performance of the main shaft system when it is static

Method used

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  • Test device for radial static pressure gas bearing experiment
  • Test device for radial static pressure gas bearing experiment
  • Test device for radial static pressure gas bearing experiment

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Embodiment Construction

[0015] In order to facilitate researchers in the field to understand and use the present invention, the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0016] please see figure 1 and figure 2 , the present invention provides a test bench suitable for performance testing of various radial gas bearings, including a spindle system (1), a loading mechanism (2), a computer table (3), a driving motor (4), and a motor fixing frame (5 ), computer (6), coupling (7), radial static pressure gas bearing a (8), micro-displacement sensor a (9), micro-displacement sensor bracket a (10), micro-displacement sensor b (11), Micro displacement sensor b (12), micro displacement sensor bracket (13), radial static pressure gas bearing b (14), frame (15), main shaft (16), parallel wheel a (17), parallel wheel b (18 ), loading bearing (19), round leather sheath (20), tension rope (21), bearing rod (22), spring dynamometer (23), weight pla...

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Abstract

The invention designs a test device for a radial static pressure gas bearing experiment. The test device mainly consists of a spindle system module and a loading mechanism module. The spindle system module includes a computer table, a computer, a rack, a driving motor, a coupling, radial static pressure gas bearings, a spindle, micro displacement sensors, and micro displacement sensor brackets. The loading mechanism module includes parallel wheels, a loading bearing, a circular leather sheath, a tension rope, a bearing rod, a spring dynamometer, a weight disc, supporting frames, an upper supporting plate, a guide rail, a worm gear, a handwheel, and a lower supporting plate. The spindle in the spindle system is carried by the two radial static pressure gas bearings. Displacement detection is carried out on the spindle by the three micro displacement sensors. One end of the spindle is driven by the driving motor through the coupling, and the other end is loaded by the loading mechanism through the loading bearing. The test device for the radial static pressure gas bearing experiment can test the static stiffness and dynamic stability load of the radial static pressure gas bearings, adopts the special loading mechanism, can load the spindle from any angle in the radial direction, and can adjust the height of the loading.

Description

Technical field [0001] The invention relates to the field of gas bearings, in particular to an experimental test device for radial static pressure gas bearings. Background technique [0002] At present, there are few experimental methods for radial static pressure gas bearings in China, and the method is relatively single. Most experimental devices can only conduct experiments on specific bearings, and the test efficiency is low. When carrying out experiments related to radial static pressure gas bearings, the general load loading method is the suspension method. The traditional suspension method uses the method of directly hanging weights on the main shaft, which can only test the bearing performance of the main shaft system when it is static. Contents of the invention [0003] The purpose of the present invention is to provide a radial static pressure gas bearing experimental testing device, so that the loading mechanism can load the spindle system from any angle along ...

Claims

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Application Information

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IPC IPC(8): G01M13/04
Inventor 李树森周梓健孙佳丽王成成
Owner NORTHEAST FORESTRY UNIVERSITY
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