A bearing life testing machine
A bearing life and testing machine technology, applied in the direction of mechanical bearing testing, etc., can solve problems such as inability to test life, and achieve the effect of simple and reliable structure
Active Publication Date: 2019-03-08
南通大学技术转移中心有限公司
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Problems solved by technology
Neither this patent nor other existing technologies can detect the life of bearings in acidic or alkaline environments
Method used
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[0016] The present invention will be further described below in conjunction with accompanying drawing of description and embodiment:
[0017] As shown in the figure, the bearing life testing machine includes a frame 1, a main bearing seat 2, a main shaft 3, a tapered shaft 4, a test bearing seat 5, a main shaft driving mechanism 6 and a load loading mechanism 7, and the main bearing seat 2 is placed on the machine In the middle of the frame 1, the main shaft 3 is rotatably set on the main bearing seat, the two ends of the main shaft 3 extend out of the main bearing seat 2, and the inner shaft of the main shaft 3 is provided with a through hole in the axial direction; the test bearing seat is placed on one side of the through hole , the inner wall of the through hole close to the test bearing seat side gradually spreads toward the opening of the through hole on this side in a trumpet shape, the outer wall of one side of the tapered shaft is a truncated cone with a conical surfac...
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The invention relates to a bearing life testing machine, including a rack, a main bearing seat, a main shaft, a tapered shaft, a test bearing seat, a main shaft driving mechanism and a load loading mechanism. The main bearing seat is placed in the middle part of the rack, the main shaft is rotatably arranged on the main bearing seat, two ends of the main shaft extend out of the main bearing seat, and the interior of the main shaft is axially provided with a through hole; the tapered shaft is inserted in the through hole, the tapered surface of the tapered shaft is attached to the horn-shaped inner wall of the through hole, the main shaft is internally provided with a pull rod with one end fixedly connected with the tapered shaft, the other end of the pull rod extends out of the through hole towards a direction away from the tapered shaft and is pulled to an outlet at this side of the through hole through a blade; and the upper part of the test bearing seat is provided with a liquid injection hole communicating with the interior of the test bearing seat, the lower part of the rack is provided with a counter for measuring the number of turns of rotation of the main shaft, the counter is opposite to the blade, and a vibration sensor is arranged on the test bearing seat. The bearing life testing machine provided by the invention can detect working performance such as life, of a bearing in an acidic or alkaline working environment.
Description
technical field [0001] The invention relates to the field of bearing production equipment, in particular to a bearing life testing machine. Background technique [0002] After searching the literature of the prior art, it is found that Chen Fanghua's published invention patent (application number 201210484680.X) discloses a test device for bearing life. The test device for bearing life provided by this invention uses electric tools as the driving force for bearing rotation The source uses the brake to provide resistance load; while the electric tool drives the bearing to rotate, it provides a real working environment for the bearing, so that the bearing can be tested in its actual working condition. Neither this patent nor other prior art can detect the service life of the bearing in an acidic or alkaline environment. Contents of the invention [0003] The purpose of the present invention is to solve the above problems, and provides a bearing life testing machine for test...
Claims
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IPC IPC(8): G01M13/04
CPCG01M13/04
Inventor 周井玲吴国庆张魏文顾乐乐程海正曹宇鹏刘苏苏徐勋倩张旭东钱双庆茅靖峰李昕王新鹏
Owner 南通大学技术转移中心有限公司