Three-jaw centering internal diameter measurement device and measurement method

A technology of measuring equipment and measuring method, which is applied in the direction of mechanical diameter measurement, measuring device, mechanical measuring device, etc., can solve the problems of complicated tubular workpiece environment, measuring tools cannot measure cross-section, etc., and achieves convenient workpiece clamping and simple measurement work. Effect

Active Publication Date: 2017-05-24
HEFEI UNIV OF TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] In the case of some tubular workpieces with a long body, general measuring tools cannot perform in-depth cross-section ...

Method used

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  • Three-jaw centering internal diameter measurement device and measurement method
  • Three-jaw centering internal diameter measurement device and measurement method
  • Three-jaw centering internal diameter measurement device and measurement method

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Embodiment Construction

[0026] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0027] see figure 1 , The three-jaw centering inner diameter measuring device of the present invention includes a cylinder 12, a driving device, a locking device 11, and an intelligent data processing device (not shown).

[0028] Please combine figure 2 , a plurality of measuring components are installed on the outer wall of the cylinder 12, and the driving device is used to drive the multiple measuring components for measurement. The locking device 11 can be installed or not installed, and the locking device 11 is used for locking the cylinder 12 and the driving device to ensure the accuracy of...

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Abstract

The invention discloses a three-jaw centering internal diameter measurement device and measurement method. The device comprises a cylinder, a plurality of measurement assembly and a driving apparatus. Each measurement assembly comprises a support, a measurement small wheel, a soft spring, a hard spring, a measurement end press rod, a press sheet, a sensor, a press sheet rod and a support rod. The sensor is arranged on the inner side wall of the cylinder; the hard spring, the press sheet, the soft spring and the support are connected in sequence; the hard spring is fixedly arranged on the outer side wall of the cylinder; and the support is movably equipped with the measurement small wheel. One end of the measurement end press rod passes through the hard spring, the press sheet and the soft spring and is fixed to the support, and the other end thereof is a free end, and can pass through the cylinder and extend into the sensor when the soft spring and/ or hard spring are/is compressed. One end of the press rod is fixedly arranged on the press sheet, and the other end thereof is fixedly arranged on the outer side wall of the cylinder through the support rod. The driving apparatus comprises a press tube, a stepping press device and a locating shaft. The locating shaft is arranged coaxially with a center shaft of the cylinder; and the press tube is fixedly arranged on the locating shaft and is corresponding to the plurality of press sheet rods.

Description

technical field [0001] The invention relates to a measuring device and a measuring method thereof, in particular to a three-jaw centering inner diameter measuring device and a measuring method thereof. Background technique [0002] During the processing of tubular workpieces, due to the limited manufacturing level, the parameters of the inner diameter must be measured during subsequent processing procedures. This procedure is directly related to the production efficiency and processing quality of the workpiece. The size of the tubular workpiece within the required error range is the standard for judging whether it is qualified, so the accurate measurement of the inner diameter of the tubular workpiece is one of the very important processes in the manufacturing process. [0003] In the case of some tubular workpieces with a long body, general measuring tools cannot perform in-depth cross-section measurements, and the internal environment of tubular workpieces is complex, requ...

Claims

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Application Information

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IPC IPC(8): G01B5/12G01B5/20
CPCG01B5/12G01B5/201
Inventor 洪占勇刘正瑞黄雍囥崔堃张博文刘群
Owner HEFEI UNIV OF TECH
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