Motor air gap eccentric detection device

A technology for measuring device and air gap eccentricity, which is applied in the direction of mechanical measuring device, measuring device, and adopting mechanical device, etc. It can solve problems such as difficulty in realizing accurate adjustment of stator and rotor eccentricity, and inability to complete experimental research on the influence of motor stator and motor vibration , to achieve reliable test results, improved accuracy, and convenient installation and adjustment

Inactive Publication Date: 2017-11-17
HARBIN ENG UNIV
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  • Abstract
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  • Application Information

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Problems solved by technology

Therefore, it is difficult to accurately adjust the eccentricity of the stator and rotor, and it is impossible to complete the experimental research on the influence of the eccentricity of the motor stator and rotor on the vibration of the motor.

Method used

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  • Motor air gap eccentric detection device
  • Motor air gap eccentric detection device
  • Motor air gap eccentric detection device

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Embodiment Construction

[0020] The present invention will be further elaborated below in conjunction with the accompanying drawings.

[0021] The device of the invention is used to measure the air gap eccentricity of the motor. like Figure 2 ~ Figure 4 As shown, a motor air gap eccentricity measurement device includes an eccentricity measurement component and an air gap measurement component; as figure 1 and figure 2 As shown, the eccentric measurement assembly includes a fixed frame 7, a support rod 19 and an eccentricity detection dial indicator 6; the length of the fixed frame is less than the length of the motor stator machine foot, and is aligned with the middle part of the motor stator machine foot. The center of the support rod of the fixing frame and the center of the adjusting threaded hole are located on the same straight line; the position of the adjusting threaded hole in the fixing frame is close to the middle of the motor machine foot.

[0022] The same two fixing frames are arrang...

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Abstract

A motor air gap eccentricity measurement device, including eccentricity measurement components and air gap measurement components; The air gap measurement components are respectively installed on the shaft; the fixed frame has adjusting threaded holes, and the adjusting bolts are installed in the holes, and the adjusting bolts are against the outer surface of the motor; the two ends of the fixed frame are respectively installed with support rods, and the ends of the support rods clamp the eccentricity detection device. The sub-meter, the eccentricity detection dial indicator is placed horizontally, and the measuring head of the eccentricity detection dial indicator is against the side of the motor machine foot; the air gap measurement assembly includes a magnetic table base, a universal adjustment rod and an air gap detection dial indicator; The meter base is adsorbed on the base plate, and the universal adjustment rod is installed on the magnetic meter base; the upper end of the universal adjustment rod holds the air gap detection dial indicator, and the measuring head of the air gap detection dial indicator is against the surface of the motor shaft. The invention can realize accurate measurement of the air gap eccentricity of the motor and is convenient for installation.

Description

technical field [0001] The invention belongs to the field of motor vibration, and in particular relates to a device for measuring air gap eccentricity of a motor. Background technique [0002] Motor is the most commonly used power source, and it is also one of the main vibration and noise sources of mechanical equipment. The vibration level directly affects the reliability of equipment operation. Especially in the field of ships, vibration and noise have always been a concern. Therefore, the development of low-noise motors has become an effective measure to reduce the radiated noise of motors. [0003] The motor vibration is mainly caused by electromagnetic excitation and mechanical excitation, which is transmitted to the machine foot through the motor bearing end cover and machine base. Electromagnetic vibration is the electromagnetic force wave generated by the electromagnetic field in the air gap of the motor, which excites the vibration of the motor stator and rotor and ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/252
CPCG01B5/252
Inventor 黄健哲闫东生卢熙群郭宜斌孔德峰鲁露焦殿霖郝玉涛
Owner HARBIN ENG UNIV
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