Novel motor bearing protection structure

A technology of motor bearing and protective structure, applied in the direction of the casing/cover/support, electrical components, electromechanical devices, etc., can solve the problems of high cost, large deflection of the beam, and long beam, so as to improve the service life and solve the false The effect of Brinell indentation damage

Inactive Publication Date: 2020-01-24
CRRC XIAN YONGE JIELI WIND ENERGY CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a new type of motor bearing protection structure, which solves the problem that the existing bearing protection structure has a long crossbeam, high cost, and large deflection of the crossbeam, which causes the vibration and swing of the rotor during the transportation of the generator. False brinelling problems caused by bearings

Method used

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  • Novel motor bearing protection structure
  • Novel motor bearing protection structure

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Embodiment Construction

[0032] The present invention is described in further detail below in conjunction with accompanying drawing:

[0033] like figure 2 and image 3 As shown, a new motor bearing protection structure includes a connecting shaft 1 , a fastener 2 and a bearing seat 3 .

[0034] A hollow shaft 5 is arranged inside the bearing seat 3 , flanges 4 for connecting the rotor are arranged symmetrically on both sides of the bearing seat 3 , and the bearing seat 3 has an axisymmetric structure.

[0035] refer to Figure 4 and Figure 5 , The connecting shaft 1 includes an upper connecting seat 11 , a connecting cylinder 12 and a lower connecting seat 13 .

[0036] The upper connecting seat 11, the connecting cylinder 12 and the lower connecting seat 13 are welded together from top to bottom.

[0037] The lower connection seat 13 is provided with a step 14 matching the bearing seat 3. The step 14 is the axial distance between the hollow shaft 5 and the lower end surface of the bearing sea...

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Abstract

The invention provides a novel motor bearing protection structure. The novel motor bearing protection structure comprises a connecting shaft, a connecting flange, bolts and gaskets, wherein the boltsand the gaskets are used for fixing; the connecting shaft is inserted into a bearing seat from bottom to top, is connected with the bearing seat and supports a hollow shaft; the connecting flange is connected with the top of the connecting shaft so as to clamp the hollow shaft and the bearing seat, and therefore, an integrated body can be formed; the bearing seat is rooted on a base; the connecting shaft is rooted on the bearing seat; the connecting flange is connected with the connecting shaft, a rotor is rooted on the connecting shaft, and therefore, a stator and the rotor form an integratedbody and are kept relatively static. Thus, the problem of pseudo Brinell indentations of a bearing caused by the micro vibration and micro swing of a rotor in the transportation process of a generator is solved, and the service life of the bearing is prolonged.

Description

technical field [0001] The invention belongs to the field of wind power generators, and in particular relates to a novel motor bearing protection structure. Background technique [0002] As a clean and renewable energy source, wind power has attracted more and more attention from all over the world due to its excellent environmental and economic benefits. [0003] Among the many types of wind turbines, the compact permanent magnet wind turbine has become the representative of the new generation of wind turbines because of its light weight, small size, low cost, high efficiency, high power density, and low maintenance. [0004] like figure 1 As shown, the existing bearing protection structure includes a crossbeam 7 and a support frame 8, the crossbeam and the support frame are fixed on the machine base 6 by bolts, and the two ends of the crossbeam 7 are respectively provided with fasteners connected with the machine base , the bottom of the support frame 8 is provided with ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K5/16H02K7/00
CPCH02K5/16H02K7/003
Inventor 俞文斌米兴社尤佰朋杨杰高建泰
Owner CRRC XIAN YONGE JIELI WIND ENERGY CO LTD
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