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Device for measuring flatness

A flat and flat technology, applied in the field of flat measurement devices, can solve the problems of complicated operation steps, high price, troublesome pre-operation and so on

Inactive Publication Date: 2008-07-02
STONE & RESOURCE INDS R&D CENT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Generally, when measuring the flatness of a plane to be measured, electronic levels, optical auto-collimators, laser interferometers and other instruments are mostly used in the industry. However, the above-mentioned measuring instruments are expensive, and The pre-work required is quite cumbersome, and the measurement takes a long time, and the measured data must be interpreted through calculation and drawing. Therefore, the actual operation steps are complicated, time-consuming and inefficient, so that Unable to measure a large number of planes to be measured, only a small number of workpieces can be sampled
Therefore, for workplaces that need to quickly and massively measure the surface flatness of workpieces, the existing measurement methods and instruments cannot meet the needs of the actual market

Method used

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Embodiment Construction

[0012] Below in conjunction with accompanying drawing and embodiment the present invention is described in detail:

[0013] Referring to Fig. 1, 2, 3, the preferred embodiment of the flatness measuring device 1 of the present invention is used to measure the flatness of a plane S to be measured, and the measuring device 1 includes a seat body 10, a sliding seat 20 , a sliding joint unit 30 , a displacement sensing unit 40 , a sensitivity adjustment unit 50 , a carrying handle 60 , and a push rod 70 . The base body 10 has a base plate 11, three supporting trimmers 12 that are arranged between the base plate 11 and the plane S to be measured, and simultaneously contact the base plate 11 and the plane S to be measured, and one that is fixed above the base plate 11 An elevated plate 13, an upper plate 14 fixed above the elevated plate 13, and a fixed plate 15 connected with the upper plate 14.

[0014] The bottom plate 11 has a bottom surface 111 facing the plane S to be measured...

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Abstract

The invention discloses a flatness-measuring device used for measuring the flatness of a plane to be measured. The flatness-measuring device comprises a holder, a sliding seat, a slip-connection unit, and a displacement-sensing unit. The holder is in three-point contact with the plane to be measured. The sliding seat can slide on the plane to be measured and is in point contact with the plane to be measured. When the sliding seat moves up and down, following with the change in texture of the plane to be measured, the sliding seat slides relative to the holder along an axial line. The slip-connection unit is used to connect the holder with the sliding seat, to allow the sliding seat to move relative to the holder along the axial line. The displacement-sensing unit is used to sense the relative displacement between the sliding seat and the holder, is connected with one of the sliding seat and the holder, and has a displacement-sensing portion facing towards the other one of the sliding seat and the holder.

Description

technical field [0001] The invention relates to a measuring device, in particular to a flatness measuring device. Background technique [0002] Generally, when measuring the flatness of a plane to be measured, electronic levels, optical auto-collimators, laser interferometers and other instruments are mostly used in the industry. However, the above-mentioned measuring instruments are expensive, and The pre-work required is quite cumbersome, and the measurement takes a long time, and the measured data must be interpreted through calculation and drawing. Therefore, the actual operation steps are complicated, time-consuming and inefficient, so that It is impossible to measure a large number of planes to be measured, and only a small number of workpieces can be sampled. Therefore, for workplaces that need to quickly and massively measure the flatness of workpiece surfaces, the existing measurement methods and instruments cannot meet the needs of the actual market. Contents of...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01B5/00G01B5/28
Inventor 黄耐仁林志善张建中吴敏弘
Owner STONE & RESOURCE INDS R&D CENT