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Motor bearing assembly radial clearance measuring method and device

A technology for radial clearance and motor bearings, applied in measuring devices, mechanical bearing testing, optical devices, etc., can solve the problems of low manual measurement accuracy, low efficiency, easy damage to bearings, etc., to avoid hidden dangers of shaft damage, Open space and high work efficiency

Active Publication Date: 2020-04-10
CSR ZHUZHOU ELECTRIC CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The technical problem to be solved by the present invention is to propose a high-precision, automatic motor bearing assembly clearance measurement method and device to solve the problems of low accuracy, low efficiency, and easy damage to the bearing due to the deficiencies of the existing technology.

Method used

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  • Motor bearing assembly radial clearance measuring method and device

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Embodiment 1

[0035] Such as figure 1 As shown, the motor bearing assembly radial clearance measurement device includes a motor displacement device and a laser measurement device, wherein the motor displacement device includes a main base 1, a flange 2, a displacement plate 3, a bracket 31 and a fastening frame 32. The main base 1 is provided with a servo motor, the servo motor is connected to the flange 2, and the displacement plate 3 is connected to the flange 2, and then the support 31 and the fastening frame 32 are fixedly connected to the displacement plate 3 superior. The fastening frame 32 is also fixedly connected with the motor casing 4 , in order to prevent loosening between the fastening frame 32 and the motor casing 4 during the rotation of the motor, the fastening frame 32 will be fixedly connected with multiple parts of the motor casing 4 .

[0036] The laser measuring device includes a laser emitter 7 and a laser receiver 6, a bracket 31 is fixedly installed on the displace...

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Abstract

The invention discloses a motor bearing assembly radial clearance measuring method and device. The method comprises the steps of: fixing a motor housing on a motor displacement apparatus, setting a laser measurement apparatus on the motor displacement apparatus, and starting the laser measurement apparatus to carry out first vertical measurement on the position at a rotating shaft of a motor, starting the motor displacement apparatus to enable the motor to rotate by 180 degrees around a direction perpendicular to the axial direction of the motor, then carrying out second vertical measurement on the position at the rotating shaft of the motor through the laser measurement apparatus, and working out the difference value of the two values measured in the vertical direction, thus obtaining theradial clearance of motor bearing assembly. The method and device provided by the invention adopt the laser measurement apparatus to scan the positions of the rotating shaft before and after rotationand calculate the radial assembly clearance, and have the advantages of high precision, high efficiency, no damage to the bearing and the like.

Description

technical field [0001] The invention relates to a measuring method and a measuring device, in particular to a measuring method and a measuring device for motor clearance. Background technique [0002] The existing clearance measurement operation of the bearing assembly of the traction motor basically adopts a semi-automatic method. The motor rotor is lifted by hydraulic mechanism, electric mechanism, crown block, etc. to realize the displacement of the rotor within the range of bearing clearance. The displacement was measured and transcribed manually by means of manual reading and metering. [0003] The existing measuring method adopted for the motor in the horizontal state is to use the "shaft lifting method" to measure the radial clearance of the bearing assembly. The rotor of the motor is lifted by manual methods, hydraulic mechanism, electric mechanism, crane, etc. to realize the radial displacement of the rotor within the range of bearing clearance. Monitor the outer...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B11/14G01M13/04
CPCG01B11/14G01M13/04
Inventor 郑宇华杨学军韦在凤
Owner CSR ZHUZHOU ELECTRIC CO LTD
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