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A ductile iron pipe jacking die splint

A technology of ductile iron pipes and splints, applied in the direction of casting molds, casting mold components, manufacturing tools, etc., can solve the problems of labor waste and a large amount of labor, and achieve the effect of reducing labor waste, low cost, and reducing cost output

Active Publication Date: 2018-09-04
WUHU XINXING DUCTILE IRON PIPES
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, if the original solution is still used, a lot of labor will be used, resulting in a waste of labor.

Method used

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  • A ductile iron pipe jacking die splint

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Embodiment Construction

[0018] The specific implementation of the present invention will be described in further detail below by describing the embodiments with reference to the accompanying drawings, so as to help those skilled in the art have a more complete, accurate and in-depth understanding of the inventive concepts and technical solutions of the present invention.

[0019] Such as figure 1 The structure of the present invention shown is a splint for a ductile iron pipe jacking mold, which is arranged between the ductile iron pipe and the pipe jacking mold. The present invention improves this operation according to the situation of actual construction and existing technical conditions, and has invented this mold splint.

[0020] In order to overcome the defects of the prior art and realize the invention purpose of improving the production efficiency and precision of cast iron pipe jacking, the technical scheme adopted by the present invention is:

[0021] Such as figure 1 As shown, the ductil...

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Abstract

The invention discloses a clamping plate of a nodular cast iron pipe jacking mold. The clamping plate is provided with a clamping plate body (2) which is a steel plate. The clamping plate body is provided with a clamping groove (5) and a mold fixing plane (6). The clamping groove (5) is clamped to an edge opening of a nodular cast iron pipe blank. The mold fixing plane (6) makes contact with the outer surface of the mold. A nut (4) is welded to the clamping plate body (2) and matched with a regulating screw (1) in a screwed mode. The inner end of the regulating screw (1) faces the outer surface of the pipe blank. By the adoption of the technical scheme, labor waste in the procedure is greatly reduced, and cost output is reduced. Besides, the clamping plate is low in manufacturing cost, and the using procedure is simple and easy to master; and the distance between the inner wall of the mold and the pipe blank is shown more definitely and can be adjusted accurately, and thus errors are minimized.

Description

technical field [0001] The invention belongs to the technical field of pipe jacking construction of ductile iron pipe jacking. More specifically, the present invention relates to a mold splint for ductile iron pipe jacking. Background technique [0002] In the production process of ductile iron pipe jacking (hereinafter collectively referred to as pipe jacking), the use of molds is an indispensable process. [0003] When the tube blank is put into the health pool, it is necessary to place molds around it for molding. Its technical requirements are: the distance between the inner wall of the mold and the surrounding of the tube blank should be equidistant. However, since the billet is a ductile iron pipe, it is very heavy, and a round steel needs to be placed between the billet and the mold to keep the distance from the inner wall of the mold consistent. Therefore, a lot of manual work is required when placing the mold, and the error is large. [0004] The use of molds in ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B22C9/24
CPCB22C9/24
Inventor 吴明帝
Owner WUHU XINXING DUCTILE IRON PIPES
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