Processing method of S tube for concrete pump truck/trailer pump

A technology of concrete conveying pump and processing method, which is applied in the direction of pipes/pipe joints/fittings, pipeline protection, pipeline damage/wear prevention, etc. problems, to achieve the effect of convenient operation, guaranteed service life and improved work efficiency

Inactive Publication Date: 2008-07-23
周卓林
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Before the present invention, the processing of S tubes usually adopts the process of forming first and then overlaying the wear-resistant layer. This processing technology has its uniqueness and can also process the required S tubes; but

Method used

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  • Processing method of S tube for concrete pump truck/trailer pump

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] 5 mm thick steel plate is used as the material of the pipe body 1, and a 3 mm thick wear-resistant layer is surfacing welded with a 3 mm thick wear-resistant layer under the conditions of 120A and 30V using the German-made Audi-100T welding rod.

Embodiment 2

[0021] 8 mm thick steel plate is used as the material of the pipe body 1, and a 4 mm thick wear-resistant layer 2 is surfacing welded under the conditions of 130A and 30V using the German-made Audi-147 flux-cored welding wire, and a 500t hydraulic press is molded into an S pipe .

Embodiment 3

[0023] 10 mm thick steel plate is used as the material of the pipe body 1, and a 5 mm thick wear-resistant layer 2 is surfacing welded under the conditions of 130A and 32V using the Audi-150 welding electrode produced in Germany. The 500t hydraulic press is profiled into an S pipe.

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Abstract

The invention discloses a processing method of an S-shaped pipe used for a concrete pumping vehicle/tractive pump. A wear-resisting layer 2 with the thickness of d is surfaced by wearable material on a plane-typed steel plate which is taken as a pipe body 1; the steel plate where the wear-resisting layer 2 is surfaced is pressed into the S-shaped pipe with two heads with different sizes by an explorator forming process. The processing method changes the normal processing technology used for the S-shaped pipe that the surfacing is achieved after the forming, the operation is convenient, the working efficiency of the surfacing is improved, the uniformity and firmness of the surfacing layer are ensured, and the service life of the S-shaped pipe is prolonged.

Description

technical field [0001] The invention relates to a processing method, in particular to a processing method for an S pipe used on a concrete delivery pump truck / tow pump. Background technique [0002] The concrete delivery pump truck / trailer pump is the key equipment for conveying concrete for the construction of high-rise buildings, and the S pipe used on the concrete delivery pump truck / tow pump is a key component. Before the present invention, the processing of S tubes usually adopts the process of forming first and then overlaying the wear-resistant layer. This processing technology has its uniqueness and can also process the required S tubes; but it must be formed first. A layer of wear-resistant material is surfacing on the inner wall of the S tube. The surfacing process is complicated and the surfacing thickness is uneven, which directly affects the service life of the S tube. Contents of the invention [0003] The object of the present invention is to provide a proc...

Claims

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Application Information

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IPC IPC(8): B23P15/00
CPCF16L57/06
Inventor 周卓林
Owner 周卓林
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