Measuring mechanism used for measuring substance mass center, shape center and mass center deviation

A technology of measuring mechanism and offset, applied in the direction of measuring device, machine/structural component test, static/dynamic balance test, etc., can solve problems such as troublesome operation, and achieve the effect of accurate calculation

Inactive Publication Date: 2007-01-31
ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the real alignment has not yet been implemented, and the workpiece needs to be lifted and lowered, and its axis will also change before and after the lifting, which is not only troublesome to operate, but also does not really solve the problem of unified measurement standards

Method used

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  • Measuring mechanism used for measuring substance mass center, shape center and mass center deviation
  • Measuring mechanism used for measuring substance mass center, shape center and mass center deviation

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Embodiment Construction

[0015] The present invention will be further described below in conjunction with embodiment (accompanying drawing):

[0016] Such as figure 2 As shown, the present invention is used to measure the center of mass of the object, the measuring mechanism of centroid and center of mass offset comprises the rotating tray 3 that is arranged on the test bench, surrounds the center of the rotating tray and is arranged on the rotating tray in an evenly distributed manner. The load cell 4 for measuring the center of mass, and the upper and lower two horizontally arranged telescopic ruler rods 2 installed on the test bench through the vertically arranged guide column 1, and the displacement sensor for measuring the centroid is installed on the ruler rod The ruler rod 2 is installed on the guide column 1 in a dynamic fit manner that can be moved up and down along the guide column 1; the tooling tray 5 for supporting the measured object 6 is placed on the weighing platform arranged on the ...

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Abstract

The invention relates to a kind of measure device used to measure the barycenter, the center of form and the offset of the barycenter of the object. It includes a revolution tray (3), a weighing sensor (4) and a ruler. The revolution tray is set on the testing board. The weighing sensor is used to measure the barycenter. It is set on the revolution tray around the center of the revolution tray and in the equispaced way. The ruler is used to measure the center of form. It is set on the testing board through the vertical guide column and in the level way. The structure of the ruler bar (2) is extensible. The ruler bar is installed on the guide column (1) by moving up and down. The invention uses the same detecting board to measure the barycenter and the form center of the object, which makes that they have the same measure base. Constituting the direct maths relation between them solves the measure problem of the barycenter, the form center and the offset of the barycenter and realizes exact calculation of the offset the barycenter to the form center.

Description

technical field [0001] The invention relates to a measuring mechanism for measuring the mass center, centroid and mass center offset of an object. Background technique [0002] The measurement of the center of mass, centroid and its centroid of an object (the centroid offset is the distance between the centroid and the centroid, projected on the plane of the vertical axis) is mostly used in military products, such as the measurement of quality characteristic parameters of various warheads etc. Accurate measurement of these parameters is essential for improving product quality and improving launch accuracy. [0003] At present, most of the centroids are measured using three (or more) load cells or the balance principle. Due to the continuous improvement of sensor sensitivity, the position measurement of its center of mass has been relatively accurate. The centroid measurement uses a displacement sensor. When the rotating body rotates, the displacement sensor measures the di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01M1/12
Inventor 李祥云费星如卢志辉孙志扬葛静薄悦乔永强游广飞陈超
Owner ZHENGZHOU RES INST OF MECHANICAL ENG CO LTD
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