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Accurate turnover device for synchronously detecting flaws of multiple tubes and turnover method thereof

A technology of turning over devices and tubes, applied in measuring devices, instruments, scientific instruments, etc., can solve the problems of low accuracy of rotation angle, inability to use forced feeding devices, industrial TV flaw detection, etc., to improve the accuracy of turning angle and realize mechanization Effect

Pending Publication Date: 2018-04-13
HARBIN BOILER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, limited by the size, for pipes with a short length after butt jointing, it is not possible to use the forced feeding device for forced feeding, and then it is impossible to use industrial televisions for flaw detection.
However, the use of X-ray machines or tube-screen industrial TVs can only be turned manually one by one, and the accuracy of the rotation angle is low.

Method used

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  • Accurate turnover device for synchronously detecting flaws of multiple tubes and turnover method thereof
  • Accurate turnover device for synchronously detecting flaws of multiple tubes and turnover method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0014] A precise overturning device for multi-piece simultaneous pipe flaw detection, which consists of: a flaw detection upper plate 4, the flaw detection upper plate is connected with a flaw detection bottom plate 7 through a screw 1, a needle bearing 6 is placed on the flaw detection bottom plate, the A pull plate 5 is placed above the needle roller bearing, a pull plate handle 8 is respectively arranged at the left and right ends of the pull plate, and a flaw detection tube 2 is placed above the described pull plate.

Embodiment 2

[0016] According to the multi-piece simultaneous pipe flaw detection precision flipping device described in Example 1, the flaw detection tubes are evenly arranged on the pull plate, and a sticky rubber 3 is placed between the flaw detection upper plate and the flaw detection tubes, The flaw detection tube is clamped by the flaw detection upper plate and the flaw detection bottom plate, a square hole 5 is opened in the middle of the flaw detection upper plate, and the flaw detection tube has welds, and the positions of all welds correspond to At the said square mouth position.

Embodiment 3

[0018] The method of overturning and flaw detection using the multi-piece simultaneous pipe flaw detection precision flipping device described in one of the embodiments 1-2, the working steps are as follows:

[0019] First, loosen the flaw detection upper plate, place the flaw detection tubes on the pull plate one by one, and keep an appropriate distance, after placing, use the screw rod to place the flaw detection upper plate It is connected and clamped with the flaw detection bottom plate; the width of the pull plate is slightly narrower than that of the flaw detection upper plate and the flaw detection bottom plate, so as to avoid collision with the bolts; the flaw detection upper plate, flaw detection bottom plate and pull plate A square hole is left in the middle of the plate to place the welding joint of the flaw detection tube at the square hole position for radiographic flaw detection; rubber is pasted on the contact position between the flaw detection upper plate and t...

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Abstract

The invention provides an accurate turnover device for synchronously detecting flaws of multiple tubes and a turnover method thereof. An X-ray machine or a tube panel industrial television is used fordetecting the flaws of the tubes in the conventional method, the tubes can only be manually overturned one by one, and the rotating angle accuracy is low. The accurate turnover device comprises a flaw detection upper plate (4), wherein the flaw detection upper plate is connected with a flaw detection bottom plate (7) through a screw (1); a needle bearing (6) is arranged on the flaw detection bottom plate; a pulling plate (5) is arranged on the needle bearing; a pulling plate handle (8) is arranged at each of the left end and the right end of the pulling plate; flaw detection tubes (2) are arranged on the pulling plate. The accurate turnover device and the turnover method thereof are used for accurately overturning multiple tubes to synchronously detect the flaws of multiple tubes.

Description

Technical field: [0001] The invention relates to a precision turning device and a turning method for multi-piece synchronous tube flaw detection in the process of boiler tube bundle processing. Background technique: [0002] With the improvement of the boiler grade, the materials and specifications of the superheater and reheater tubes in the high temperature section are more diversified. Transitions with shorter lengths. However, limited by the size, for pipes with a short length after butt jointing, it is impossible to use the forced feeding device for forced feeding, and then it is impossible to use industrial televisions for flaw detection. The use of X-ray machines or tube-screen industrial TVs can only be turned manually one by one, and the accuracy of the rotation angle is low. Invention content: [0003] The purpose of the present invention is to provide a multi-piece synchronous pipe flaw detection precision flipping device, which can improve the precision of th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N33/00
CPCG01N33/00
Inventor 齐鹏杨春林程亮卢真玲
Owner HARBIN BOILER
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