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Pipe diameter parameter measuring mechanism

A technology of parameter measurement and pipe diameter, which is applied in the field of cast iron pipe production, can solve the problems of high investment cost of machine vision, inability to obtain more and more accurate information, etc., and achieve the effect of simple structure, easy implementation and application, and low cost

Active Publication Date: 2015-04-29
广东新兴铸管有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The first two methods are relatively simple and require less investment, but they can only be used to distinguish casts, and cannot obtain more and more accurate information
Machine vision can obtain more information including diameter, center, position, etc., but machine vision invests a lot of cost

Method used

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  • Pipe diameter parameter measuring mechanism
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  • Pipe diameter parameter measuring mechanism

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0021] Such as figure 1 , figure 2 The structure of the present invention expressed is a pipe diameter parameter measuring mechanism, which includes a frame 1 for measuring the pipe diameter of the measured pipe 4 .

[0022] In order to solve the problems existing in the prior art and overcome its defects, and realize the purpose of the invention to facilitate the measurement of cast pipe size parameters, the technical scheme adopted by the present invention is:

[0023] Such as figure 1 , figure 2 As shown, in the pipe diameter parameter measuring mechanism of the present invention, a V-shaped groove 7 is arranged on the frame 1, and the described measured tube 4 is placed on the V-shaped groove 7; a measuring rod is arranged on the described measuring mechanism, One end of the measuring rod is installed on the frame 1 through the rotating shaft 3, and the rotating shaft 3 is parallel to the V-shaped groove 7; the angle encoder 2 is installed on the rotating shaft 3.

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no. 2 example

[0028] The measuring rod includes a rod one 5 and a rod two 6, and the installation ends of the rod one 5 and the rod two 6 have different heights.

[0029] The angle encoder 2 is used to measure the rotation angle of the first rod 5 and the second rod 6; the first rod 5 and the second rod 6 rotate freely around their respective rotating shafts 3, and fall on the measured tube 4 due to gravity to form a geometric structure, which is The measuring tube 4 falls on the V-groove 7 .

[0030] The mechanism can not only measure the radial roundness of the pipe, but also calculate the outer diameter and center position of the pipe, which is suitable for the production line of pipe products, has less investment, and is easy to popularize and use in the production line.

no. 3 example

[0032] Such as image 3 As shown, a pipe diameter parameter measuring mechanism of the present invention includes a frame 1 for measuring the pipe diameter of the measured pipe 4, and the frame 1 is provided with two parallel support pipes 8, and the described The measuring tube 4 is placed on two support tubes 8; the measuring mechanism is provided with a measuring rod, and one end of the measuring rod is installed on the frame 1 through a rotating shaft 3, and the rotating shaft 3 is parallel to the supporting pipe 8; An angle encoder 2 is installed on the rotating shaft 3; the measuring rod includes a rod one 5 and a rod two 6, and the installation ends of the rod one 5 and the rod two 6 have different heights.

[0033] The support pipe 8 can be a longer pipe, or a support roller with a very short axial length. The number of supporting rollers is generally four, and their dimensions are generally the same.

[0034] Its calculation method is the same as that of the second ...

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Abstract

The invention discloses a pipe diameter parameter measuring mechanism which comprises a rack (1) used for measuring pipe diameter of a measured pipe (4). A V-shaped groove (7) is formed in the rack (1), the measured pipe (4) is disposed on the V-shaped groove (7), a measuring rod is arranged on the measuring mechanism, one end of the measuring rod is mounted on the rack (1) through a rotating shaft (3), the rotating shaft (3) is parallel to the V-shaped groove (7), and an angle encoder (2) is mounted on the rotating shaft (3). By the above technical scheme, the pipe diameter parameter measuring mechanism is suitable for pipe-type product production lines, can measure radial roundness of a pipe to acquire diameter jump quantity of outer diameter of the pipe and can realize calculation of the outer diameter and center position of the pipe. The pipe diameter parameter measuring mechanism is simple in structure, low in cost, small in investment, easy to manufacture and convenient for implementation, popularization and application.

Description

technical field [0001] The invention belongs to the technical field of cast iron pipe production and relates to its product detection technology. More specifically, the present invention relates to a pipe diameter parameter measuring mechanism. Background technique [0002] At present, domestic cast iron pipe diameter identification and positioning are mainly obtained through laser ranging, ultrasonic ranging, and machine vision. The first two methods are relatively simple and require less investment, but they can only be used to distinguish casts, and cannot obtain more and more accurate information. Machine vision can obtain more information including diameter, center, position, etc., but machine vision invests a lot of cost. Contents of the invention [0003] The invention provides a pipe diameter parameter measuring mechanism, the purpose of which is to facilitate the measurement of cast pipe dimension parameters. [0004] In order to achieve the above object, the t...

Claims

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Application Information

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IPC IPC(8): G01B21/10G01B21/00
CPCG01B21/00G01B21/10G01B21/20
Inventor 吕少峰
Owner 广东新兴铸管有限公司