Process for mounting radial bush tool

Abstract

The invention relates to a process for mounting a radial bush tool of a shaft seal pump. The process is characterized in that radial bushes generate radial displacement by adjusting the length of bolts, the length change of the bolts is in direct proportion to the radial displacement of the radial bushes, a pointer of a mechanical dial indicator mounted on the tool is changed while the radial bushes generate displacement, and the variation of the radial displacement of the radial bushes is visually reflected by reading measured numerical values. The method comprises the following steps. According to the process, it is guaranteed that each radial bush has the same position pitch circle when matched with a shaft, the dial indicator is placed in an inner cavity of the radial bush tool, the position change of the radial bushes in the center adjusting process is monitored in real time, the reading of the dial indicator gradually returns to zero in the radial bush adjusting process, and the position change of the radial bushes is directly and clearly reflected; and the process method solves the problems that the position of the radial bushes is uncontrollable and the inner diameters of the radial bushes are difficult to measure in the adjustment process of the radial bushes.

Description

Technical field: [0001] The invention relates to a radial pad tool installation process of a shaft seal pump. Background technique: [0002] The radial pad is the first-level component of the main pump core of the reactor shaft seal. Under the normal operation of the main pump, the water temperature in the pump casing is as high as 290 degrees Celsius, and the pressure rises to 15Mpa. The lower pump shaft, impeller and impeller cover in the pump casing No displacement occurs under high temperature and high pressure, mainly because the shaft system of the motor and pump components require high precision and small circular runout value. The radial pad is an important bearing component that restricts the motor shaft system. The total number of radial pads is 5. If the pitch circle of each radial pad is different, it will affect the centrality of the motor shaft system, thereby affecting the running track of the shaft center of the entire motor and pump system, causing the main ...

AI Technical Summary

Problems solved by technology

The above process method is to determine the position through preliminary calculation. If the cumulative error of the workpiece is large, it will cause a large deviation of the pitch circle of the five radial tiles. If the thickness of the oil film is uneven during operation, the radial tile will be burned. The surface of the block tile will cause the motor shaft and the radial pad to be ground and damaged

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