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Engine test pre-centering method

A technology for engines and small and medium vehicles, which is applied in the direction of engine testing, machine/structural component testing, and measuring devices. It can solve the problems of small space in the test room and difficult operation, and achieve convenient use, easy installation, accurate positioning, and improved testing. The effect of operating efficiency

Active Publication Date: 2021-01-05
DONGFENG COMML VEHICLE CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] In order to solve the above problems, the present invention provides a pre-alignment method for engine tests, which simulates the existing centering test bench and moves it to an open Outside the laboratory, the pre-alignment is performed outside the laboratory, and then the alignment is no longer performed after being pushed into the bench in the laboratory, thus saving the preparation time for the trolley occupied by the laboratory and its alignment. Thus greatly improving the efficiency of test operation, reducing the time for test preparation, and solving the problems of small space and difficult operation in the test room

Method used

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Embodiment Construction

[0031] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.

[0032] Such as Figure 1-4 Shown, a kind of engine test pre-centering method of the present invention comprises the following steps:

[0033] 1) Install the reference plate on the ground: choose an open ground outside the laboratory to drill holes, use large-size expansion bolts to fix and level the iron plate, and the iron plate after leveling can be used as the reference plate;

[0034] 2) Install the trolley positioning block and guide rail on the reference plate 3: Install the same trolley positioning block as the bench positioning block in the original laboratory on the reference plate to ensure that it is consistent with the positioning method of the bench in the original laboratory;

[0035] 3) Assemble the simulated centering trolley: install the simulated centering trolley 4 on the guide rail 3 of the reference plate according to the ...

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Abstract

The invention relates to an engine test pre-centering method, which comprises the following steps of: simulating an existing centering test bed, moving the existing centering test bed to the outside of an open laboratory, performing pre-centering outside the laboratory, pushing the pre-centering test bed onto a rack in the laboratory, and stopping centering. Therefore, the preparation time of a laboratory occupying a trolley and the preparation time of centering are saved, the test operation efficiency is greatly improved, the test preparation machine hour is reduced, and the problems of narrow test room space and difficult operation are solved.

Description

technical field [0001] The invention relates to the technical field of engine testing, in particular to an engine testing pre-centering method. Background technique [0002] During the test preparation process of the engine, it is necessary to install test sensors and test equipment in the test room, test the centering connection of the power output, and so on. During the test, the centering work of the engine was very cumbersome, and it was necessary to adjust the XYZ directions of the four supports of the engine back and forth, which was time-consuming and labor-intensive. There are a large number of test equipment installed in the conventional laboratory, resulting in the narrow position of the centering stand and the difficulty of centering operation; at the same time, there are more and more types of engines in the existing market, which leads to increased preparation work in the early stage of test operation and long waiting time , leading to a shortage of test benche...

Claims

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Application Information

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IPC IPC(8): G01M15/02
CPCG01M15/02
Inventor 郜俊辉欧阳晓春郭晓明丁澳嵘孙玉涛周子煦
Owner DONGFENG COMML VEHICLE CO LTD
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