Method for adjusting spindle axis of hydraulic turbine generator set

A hydro-generator, spindle axis technology, applied in metal processing, metal processing equipment, manufacturing tools, etc., can solve the problems of grinding direction grinding area and the difficulty of determining the grinding amount of each area, so as to ensure the grinding quality and axis Adjustable and easy effects

Active Publication Date: 2013-04-03
CHONGQING WATER TURBINE WORKS
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  • Claims
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AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems in the prior art method of adjusting the main shaft axis of the hydro-generator unit, such as the difficulty in determining the grinding direction, the grinding area, and the grinding amount of each area, the present invention provides a main shaft axis adjustment method for the hydro-generator unit. method

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  • Method for adjusting spindle axis of hydraulic turbine generator set
  • Method for adjusting spindle axis of hydraulic turbine generator set
  • Method for adjusting spindle axis of hydraulic turbine generator set

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Embodiment Construction

[0042] figure 1 is the structural schematic diagram of the main shaft of the hydro-generator unit, figure 2 It is a schematic diagram of the cranking point and flange surface division of the main shaft axis adjustment method of the hydro-generator set according to the present invention. In the figure, 1 is the shaft of the generator, 2 is the shaft of the water turbine, 101 is the shaft shoulder of the generator, and 102 is the upper guide bearing, 103 is the lower guide bearing, 104 is the generator shaft flange, 201 is the water turbine shaft flange, 202 is the water guide bearing, and A1, A2 and A3 are dial gauges. As can be seen from the figure, the method for adjusting the main shaft axis of the hydro-generator unit according to the present invention includes the following steps:

[0043] S1: Adjust the lead verticality of the generator shaft

[0044] S11: Set up a horizontal datum under the shoulder of the generator shaft;

[0045] S12: Set the mirror plate, push sho...

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Abstract

In order to solve problem that the grinding direction, the grinding area and the grinding quantity of each area are hard to determine in the method for adjusting a spindle axis of a hydraulic turbine generator set in the prior art, the invention provides a method for adjusting the spindle axis of the hydraulic turbine generator set. Whether a generator shaft of the set is bent and deformed or not by using absolute value of relative swing; a diameter direction represented by two turning points with maximum pure swing absolute values is used as the grinding direction; when the pure swing with maximum absolute value is a positive value, the grinding quantity is changed from small to large; and when the pure swing with maximum absolute value is a negative value, the grinding quantity is changed from large to small. The method has the advantages as follows: the grinding direction and the grinding quantity are determined through turning data and grinding a flange surface by using a regional step-by-step grinding method, the grinding quality is guaranteed and the axis is simply, conveniently and effectively adjusted.

Description

technical field [0001] The invention relates to the technical field of hydroelectric generators, in particular to a method for adjusting the axis of a main shaft of a hydroelectric generator set. Background technique [0002] As we all know, the main shaft of a hydro-generator includes a generator shaft and a hydro-turbine shaft, which are connected by end flanges and bolts. When installing the hydro-generator unit, the inspection and adjustment of the axis of the unit is an important link. If the axis of the unit is deflected, it will affect the normal operation of the hydro-generator in the future. [0003] Theoretically speaking, after the generator shaft is connected to the turbine shaft, the axis of the main shaft of the unit formed should be a straight line, and for the unit with a suspended structure, the axis of the main shaft of the unit should also be a vertical straight line. However, due to the influence of manufacturing and installation errors, if the flange su...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23P11/00
Inventor 杨刚
Owner CHONGQING WATER TURBINE WORKS
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