A three-jaw inner diameter ruler automatic calibration device

An automatic calibration and inner diameter technology, which is applied in the direction of micrometer and mechanical diameter measurement, can solve the problems of large measurement error and low efficiency, and achieve the effect of improving calibration accuracy and improving calibration work efficiency

Active Publication Date: 2022-05-06
SHAANXI AVIATION ELECTRICAL
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Problems solved by technology

Therefore, at least 4 standard ring gauges of different specifications are required to measure each three-jaw inner diameter ruler, and each standard ring gauge is measured 5 times to obtain the average value. For the currently commonly used three-jaw inner diameter ruler of 6mm to 300mm, a large number of standard rings are required. At the same time, it needs to be manually calibrated point by point, reading and recording, the efficiency is low, and the measurement error is large

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  • A three-jaw inner diameter ruler automatic calibration device

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Embodiment Construction

[0019] In order to make the objectives, technical solutions and advantages of the implementation of the application clearer, the technical solutions in the implementation modes of the application will be described in more detail below with reference to the drawings in the implementation modes of the application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are some, but not all, embodiments of the present application. The embodiments described below by referring to the figures are exemplary and are intended to explain the present application, and should not be construed as limiting the present application. Based on the implementation manners in this application, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the scope of protection of this application. Embodiments of the pr...

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Abstract

The application provides an automatic calibration device for a three-jaw internal diameter ruler, which includes a base on which a variable standard ring gauge and a mounting frame are provided. The variable standard ring gauge includes at least two parts that can move relative to each other, and each part includes an inclined plane , and there are multiple steps on the slope, and a control mechanism capable of controlling the relative movement of the two parts of the variable standard ring gauge is provided in the base. A three-claw inner diameter ruler is mounted on the mounting frame, and the three-claw inner diameter ruler is connected and installed through a height adjustment mechanism. frame; the measuring sensor is set between the two parts of the variable standard ring gauge to measure the movement of the variable standard ring gauge; the reader is installed on the mounting frame and aligned with the display of the three-jaw inner diameter ruler for reading Electrically connected to the control system. The application realizes the automatic adjustment of the inner diameter size of the variable standard ring gauge through the control system, greatly improves the calibration work efficiency of the three-jaw inner diameter ruler, and improves the calibration accuracy.

Description

technical field [0001] The invention belongs to the technical field of test and measurement, and in particular relates to an automatic calibration device for a three-jaw inner diameter ruler. Background technique [0002] The three-jaw inner diameter ruler, also known as the three-jaw inner micrometer, uses the principle of the spiral pair to make the three measuring jaws make radial displacements by rotating the tower-shaped Archimedes spiral or moving the cone, so that they are in contact with the inner hole to be measured. , an inner micrometer for reading the inner hole size. [0003] The commonly used three-jaw inner diameter ruler ranges from 6mm to 300mm. At present, the calibration of the three-jaw inner diameter ruler is to calibrate the indication value through standard ring gauges of different specifications. JJF1411 "Calibration Specifications for Measuring Internal Dimension Micrometers" stipulates in the calibration regulations: to measure the indication error...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01B5/12G01B3/18
CPCG01B5/12G01B3/18
Inventor 刘争强冯长进孙海荣原秦王锋
Owner SHAANXI AVIATION ELECTRICAL
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