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Straightness and curvature detecting device

A detection device, straight and straight technology, applied in angle/taper measurement, mechanical counter/curvature measurement, etc., can solve the problems of inaccuracy and low efficiency, and achieve the effects of accurate detection, reasonable side structure and convenient operation

Inactive Publication Date: 2013-02-27
QINGDAO HAILONG MACHINERY GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to solve the problem of low efficiency and inaccuracy of traditional straightness and surface degree detection methods, the present invention invents a special instrument that can detect both straightness and surface degree

Method used

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  • Straightness and curvature detecting device

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Embodiment Construction

[0009] As shown in the figure, horizontal connecting support rods 5 are installed at both ends of the two longitudinal seat plates 6, and the seat plate 6 and the connecting support rods 5 form a square base; Rotate the two ends of straight tie rod 7 to be equipped with vertical rotating arm 1 respectively, the upper end of rotating arm 1 is equipped with transverse detecting rod 2, and the middle part of detecting rod 2 is equipped with dial gauge 3.

[0010] When in use, first place the tested piece 4 under the detection rod 2, place the two ends of the tested piece 4 on the connecting support rod 5, adjust the dial indicator 3 so that the gauge head is aligned with the reasonable position of the tested piece 4 . If it is to detect the degree of curvature, then rotate the rotating arm 1 vertically, and read the error value of all points on a certain curve on the surface from the center of the circle according to the movement of the pointer on the dial indicator 3; then pull ...

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Abstract

The invention relates to a straightness and curvature detecting device which is characterized in that transverse coupling support rods are installed at the two ends of two longitudinal seat plates; the seat plates and the coupling support rods form a square base; a transverse rotating shaft is installed at the middle part of the seat plates; vertical rotating arms are respectively installed at the two ends of the rotating shaft; a transverse detecting rod is installed at the upper end of the rotating arm; and a dial indicator is installed at the middle part of the detecting rod. The straightness and curvature detecting device provided by the invention solves the problems of low efficiency and inaccuracy of the traditional straightness and curvature detecting method and is widely suitable for detecting the cambered surface which has the curvature requirements and the straightness requirements.

Description

technical field [0001] The invention relates to the field of quality inspection of machined parts, in particular to a special instrument for detecting the radian and straightness of the workpiece. Background technique [0002] The traditional straightness detection method is carried out with a knife-edge ruler and a feeler gauge, and the specific value cannot be measured, but only an estimated value. There are two ways to detect the surface degree, one is to let the workpiece rotate the stopwatch to read, and the other is to use three-dimensional coordinates, which is more difficult. However, for curved surfaces that require both curved surface and straightness, it is very troublesome and inefficient to detect. Contents of the invention [0003] In order to solve the problems of low efficiency and inaccuracy of the traditional straightness and curved surface detection methods, the present invention invents a special instrument capable of detecting both straightness and cu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/24G01B5/20
Inventor 黄建勇李斌林成涛刘明集
Owner QINGDAO HAILONG MACHINERY GRP