A hydrostatic bearing test bench
A technology of hydrostatic support and test bench, applied in the direction of mechanical bearing testing, etc., can solve problems such as the inability to meet the requirements of ultra-precision machining and measurement accuracy and stability
Active Publication Date: 2016-04-13
HUAZHONG UNIV OF SCI & TECH
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Problems solved by technology
With the advancement of science and technology, the precision requirements of parts are getting higher and higher, and the size requirements are getting bigger and bigger. The supporting components on traditional machine tools such as ball screws, ball guide rails, and dynamic pressure sliding bearings can no longer meet the accuracy of ultra-precision machining and measurement. and stability requirements
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[0037] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below can be combined with each other as long as they do not constitute a conflict with each other.
[0038] figure 1 It is a schematic diagram of the overall structure of the hydrostatic test bench of the present invention. The test bench of the present invention takes the bearing housing 3 as the main body, and the front hydrostatic bearing 4 and the rear hydrostatic bearing 9 are respectively fixed on the two ends of the bearing housing 3. In order to carry out experiments on different types...
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The invention discloses a static-pressure bearing test stand which comprises a spindle, a motorized spindle system, a bearing housing, a front hydrostatic-pressure bearing, a rear hydrostatic-pressure bearing, a bearing connection shaft, a vertical loading device, a left coupler, a right coupler, a direct-current motor and a test-stand support frame. The bearing connection shaft is fixedly connected with the spindle, the vertical loading device is arranged on the left side of the bearing housing, the left coupler is used for connecting the bearing connecting shaft with a torque sensor, the right coupler is used for connecting the torque sensor with the direct-current motor, and the direct-current and the test-stand support frame are arranged on the rightmost side. The motorized spindle system of the test stand is arranged on the left side of the bearing housing, the front end and the back end of the spindle are supported on the bearing housing through the front hydrostatic-pressure bearing and the rear hydrostatic-pressure bearing respectively, a hydraulic axial thrust plate is arranged at the right end of the rear hydrostatic-pressure bearing, applied loads are exerted on the bearing connection shaft, and the torque sensor and the direct-current motor are mounted at the right end of the bearing connection shaft.
Description
technical field [0001] The invention belongs to the technical field of mechanical manufacturing, and more specifically relates to a static pressure support test bench. Background technique [0002] Ultra-precision machined parts have been widely used in both national defense technology and civilian technology. With the advancement of science and technology, the precision requirements of parts are getting higher and higher, and the size requirements are getting bigger and bigger. The supporting components on traditional machine tools such as ball screws, ball guide rails, and dynamic pressure sliding bearings can no longer meet the accuracy of ultra-precision machining and measurement. and stability requirements. Hydrostatic bearing parts have been more and more widely used due to their advantages of high precision, small friction, stable operation and long life. In recent years, foreign research on hydrostatic bearings is developing in the direction of large-scale, heavy-d...
Claims
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IPC IPC(8): G01M13/04
Inventor 黄禹邵新宇张国军李建喻阳春陈源张尚
Owner HUAZHONG UNIV OF SCI & TECH