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Process method for installing two-section magnet yoke of hydraulic generator

A technology for hydroelectric generators and installation methods, which is applied in the direction of electromechanical devices, electrical components, manufacturing stator/rotor bodies, etc., can solve problems such as a large number of installation tools, harmful deformation of the upper yoke, and long straight-line installation time limit, etc., and achieve installation quality The effect of improving, reducing the installation period, and reducing labor intensity

Pending Publication Date: 2022-03-04
HARBIN ELECTRIC MASCH CO LTD
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  • Description
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AI Technical Summary

Problems solved by technology

The whole process requires a large number of special installation tools, which takes a long time for straight line installation, and the process of jacking up and falling is easy to cause irreversible and harmful deformation to the upper yoke that has been stacked.

Method used

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  • Process method for installing two-section magnet yoke of hydraulic generator
  • Process method for installing two-section magnet yoke of hydraulic generator

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Embodiment Construction

[0019] Such as figure 1 , figure 2 As shown, the present invention provides a process method for installing a two-stage yoke of a hydro-generator, which can complete the installation of the two-stage yoke without jacking up or falling back the upper yoke, saving the cost of installation tools and reducing labor intensity , Reduce the installation cycle and improve the installation quality. Technical scheme of the present invention is:

[0020] 1) Stack the lower yoke 1 on the rotor bracket 2, use positioning pins, lamination keys, etc. for positioning, and continuously adjust the roundness and height of the lower yoke 1 as the height of the lamination increases;

[0021] 2) Use the pneumatic wrench to compress the lower yoke 1 every 600mm height;

[0022] 3) After the lamination reaches the final height of the lower yoke 1, the lower yoke 1 is finally compressed by a hydraulic tensioner.

[0023] 4) Install the inter-segment support block 8 of the yoke, measure the actual...

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Abstract

The invention discloses a process method for installing a two-section magnet yoke of a hydraulic generator. The invention relates to an innovation of a two-section type magnet yoke mounting process method of a water-turbine generator set, and is an essential change of the mounting method. By using the process method, the two-section magnet yoke can be installed in a limited space under the condition that the upper-section magnet yoke is not jacked up or dropped back, so that the tool cost is saved, the labor intensity is reduced, the installation period is shortened, meanwhile, the upper-section magnet yoke does not generate harmful deformation after being installed due to the fact that the jacking and dropping processes are omitted, and the production efficiency is improved. And compared with a traditional installation process, the installation quality is greatly improved.

Description

technical field [0001] The invention relates to the technical field of installing a rotor yoke of a hydraulic generator, in particular to a process method for installing a two-stage magnetic yoke of a hydraulic generator. Background technique [0002] The two-stage yoke structure used in the rotor yoke of large hydroelectric generators is beneficial to the control of the height and roundness of the yoke and the guarantee of the pressure between the plates. However, due to the small gap between the two sections of yoke, when installing the upper section of the yoke, the upper section of the yoke needs to be raised with a backing plate. After the yokes are stacked and the fixing nuts are installed, the upper section of the yoke needs hundreds of tons to be lifted up by a jack. Yoke, pull out the backing plate and then drop the upper yoke. The whole process requires a large number of special installation tools, which takes a long time for linear installation, and the process o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K15/02
CPCH02K15/02H02K2213/03Y02E10/20
Inventor 赵新青王新洪房金彪马文豪吴朝霞孙文
Owner HARBIN ELECTRIC MASCH CO LTD
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