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A shaft dynamic balance experiment device

An experimental device and shafting technology, applied in the direction of static/dynamic balance testing, measuring devices, instruments, etc., to achieve the effects of reducing influence, improving practical performance, and improving accuracy

Active Publication Date: 2016-03-30
广东贝塔实验室家具有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] In order to solve the influence of the shaft coupling installed on the existing balance test bench on the shaft system unbalance experiment, the present invention provides a shaft system dynamic balance experiment device, which can eliminate the influence of the shaft coupling on the shaft system unbalance experiment, and at the same time reduce the The influence of the device on the shafting unbalanced experiment, improving the accuracy of the shafting unbalanced experiment

Method used

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  • A shaft dynamic balance experiment device
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Embodiment Construction

[0023] The present invention will be further described below in conjunction with the embodiments, and the described embodiments are only a part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, other used embodiments obtained by persons of ordinary skill in the art without creative efforts all belong to the protection scope of the present invention.

[0024] The shafting dynamic balance experiment device of the present invention includes a base on which at least two rotors are arranged, and each rotor is supported by a bearing installed in a bearing seat; the rotors are connected by a coupling, and the rotors are connected by a coupling. The shaft coupling is driven by a motor; a weighted plate for simulating the imbalance is installed on the rotor; the bearing seat is provided with a mounting hole for installing an eddy current sensor; the coupling includes a shaft sleeve, an end cover, an inner ring gear, a compre...

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Abstract

The invention discloses a shafting dynamic balance experimental facility which comprises a base, wherein at least two rotors are arranged on the base, each rotor is supported by a bearing, and all the bearings are mounted in a bearing block; the rotors are connected by a coupling, and driven by a motor through the coupling; a weighting disc for simulating an unbalance quantity is mounted on the rotors; a mounting hole for mounting an electrical vortex sensor is formed in the bearing block; the coupling comprises a shaft bush, an end cover, an inner gear ring, a gland and a middle adapter. The shafting dynamic balance experimental facility is capable of eliminating influence, caused by the coupling, on shafting unbalance experiments, and simultaneously, reducing influence, caused by the experimental facility, on the shafting unbalance experiment, and improving the precision of the shafting unbalance experiments.

Description

technical field [0001] The invention relates to an experimental platform in the field of vibration monitoring and control of rotating machinery, in particular to a shafting dynamic balance experimental device, which can simulate the unbalanced forced vibration of a flexible rotor shafting, effectively reproduce the unbalance phenomenon produced by a rotating machine, and be used for Research on the theory and method of rotor dynamic balance. Background technique [0002] Imbalance is the most common failure of rotating machinery, and its handling is also the most complex of all failures. The balance methods for flexible rotor on-site dynamic balance can be classified into two categories: modal balance method and influence coefficient method. From the perspective of balance effect, although the above methods can achieve the ideal balance of the rotor, due to the diversity of flexible rotor structures Due to the complexity of the actual unbalance situation, at the same time, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01M1/16
Inventor 刘林
Owner 广东贝塔实验室家具有限公司
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