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Center-of-mass measuring tool of engine

A technology for measuring tools and engines, applied in measuring devices, testing of machine/structural components, static/dynamic balance testing, etc., can solve problems such as manufacturing errors, unrealistic, troublesome calculations, etc., and achieve high accuracy and structure Simple, labor-saving effect

Inactive Publication Date: 2010-05-12
TIANJIN LOVOL ENGINES
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The position of the center of mass of a regular object can be obtained by calculation, but for a complex and irregular object like an engine, the calculation is quite cumbersome, and since most parts of the engine are castings, there will be errors between the manufacturing and the drawings, so It is neither practical nor advisable to use calculation methods

Method used

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  • Center-of-mass measuring tool of engine
  • Center-of-mass measuring tool of engine
  • Center-of-mass measuring tool of engine

Examples

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Embodiment 1

[0027] A tool for measuring the center of mass of an engine. The tool includes a 12mm thick steel plate 7, a bracket 5 with two rollers 6, and an iron rod with a diameter of 25mm between the two rollers 6 is connected to ensure that the two wheels are parallel to the engine 4 and in the same plane on. The roller 6 bracket is located on the steel plate, and the roller bracket 5 is used to support the engine to be tested. On the other side of the engine to be tested, there is a tooling hook 1. The tooling hook 1 is connected with a weighing spring scale 2, and the weighing spring scale 2 is connected with auxiliary parts 3 Connect the engine. The center of mass measurement tools include plumb, ruler and level; when measuring the center of mass of the machine, the plumb is used to measure the verticality, the ruler is used to measure the distance, and the level is used to measure the level.

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Abstract

The invention relates to a center-of-mass measuring tool of an engine, belonging to the technical field of measurement of the engine. The invention is characterized in that the center-of-mass measuring tool comprises a flat plate, a bracket with two rollers which are connected by a shaft, a tooling lifting hook and a weighing tensioner, wherein the bracket with two rollers is positioned on the flat plate and is used for bearing a center-of-mass machine part to be measured; and the other side of the center-of-mass machine part to be measured is provided with the tooling lifting hook which is connected with the weighing tensioner. The center-of-mass measuring tool has the advantages of having simple structure and low fault rate, saving cost, labor and measuring time, being economical and practical and having accurate measurement and easy popularization.

Description

Technical field [0001] The invention belongs to the technical field of engine measurement, and particularly relates to a tool for measuring the center of mass of an engine. Background technique [0002] At present, with the rapid development of my country's automobile industry, the application and matching of key components of the engine has become more and more important. In order to better match the engine with the vehicle, it is necessary to provide engine matching calculations in many vehicle matching calculations. The position of the center of mass, because the position parameter of the center of mass of the engine is a prerequisite for measuring the moment of inertia, it is a necessary parameter for the engine dynamic model, and it has important significance for the analysis of the engine dynamic characteristics and the design of the vibration isolation of the mount. [0003] The position of the center of mass of a regular object can be obtained by calculation, but for a compl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M1/12
Inventor 李方成张坤鹏刘璇赵志宏蒋威赵振龙王法辰
Owner TIANJIN LOVOL ENGINES
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