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Diesel generating set coaxiality measuring method

A diesel generator set, coaxiality measurement technology, applied in the direction of mechanical measuring devices, measuring devices, mechanical devices, etc., can solve problems such as low coaxiality, poor power transmission efficiency, wear, etc., to overcome poor installation conditions, The effect of shortening the installation time and ensuring the installation accuracy

Inactive Publication Date: 2015-01-14
CRRC QISHUYAN CO LTD
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Problems solved by technology

[0003] In order to overcome the problems of low coaxiality, severe wear and poor power transmission efficiency of existing generator sets, the present invention provides a method for measuring the coaxiality of diesel generator sets

Method used

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  • Diesel generating set coaxiality measuring method

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Embodiment Construction

[0015] Such as figure 1 It is a schematic diagram of data measurement in the present invention, a method for measuring the coaxiality of a diesel generator set, including the following steps: tool preparation→generator distance fixing→strut installation→dial indicator installation→data measurement→positioning and fixing.

[0016] The tool preparation steps include: select two dial indicators, make two distance measuring rods with a length of 465mm and an M24 internal thread hole at one end, and process two rods with an external thread at the end and a length of 400mm and two sets Dial indicator holder.

[0017] The steps of generator distance determination include: after the diesel engine is fixed, two distance measuring rods are symmetrically fixed on the flange end face of the crankshaft end of the diesel engine with M24 bolts (there are mounting holes on the flange), and the generator is moved until it touches the front end of the distance measuring rods Preliminarily dete...

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Abstract

The invention relates to the technical field of diesel locomotives, in particular to a diesel generating set coaxiality measuring method which comprises the following steps of tool preparing, power generator distance fixing, supporting rod mounting, dial indicator mounting, data measuring and locating fixing in sequence. Mounting accuracy is guaranteed, meanwhile, the mounting time of an elastic couple is greatly shortened, after adjusting in a field is completed, only retesting and fine tuning are carried out when mounting is carried out at a user field by detaching, packaging and conveying, the problem that field mounting conditions are poor is avoided, and more time for general testing is obtained.

Description

technical field [0001] The invention relates to the technical field of diesel locomotives, in particular to a method for measuring the coaxiality of a diesel generator set. Background technique [0002] In the assembly of diesel generator sets, the elastic coupling is installed between the diesel engine and the generator. Due to the high-speed operation of the diesel engine in the working state, it is necessary to ensure the coaxiality of the crankshaft of the diesel engine and the main shaft of the generator during installation. At the same time, the opening distance needs to be Adjust it within 465mm ± 0.5 to facilitate the installation of the elastic coupling when the diesel engine and the generator are fixed. The existing elastic coupling does not have a precise and effective coaxiality measurement method before installation, resulting in elastic coupling The installation of the shaft device is time-consuming and laborious. The coaxiality of the assembled generator set i...

Claims

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Application Information

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IPC IPC(8): G01B5/252
Inventor 张惠敏
Owner CRRC QISHUYAN CO LTD
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