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Novel spraying rod

A new type of welded pipe technology, which is applied in coatings, devices for coating liquid on the surface, etc., can solve problems such as rod hitting, increased downtime, and failure to spray, so as to improve spraying efficiency, increase rigidity, and reduce weight.

Inactive Publication Date: 2012-04-04
SUNS CASTING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the spraying rod of the paint spraying machine on the inner wall of the cast pipe is made of a welded pipe. In the process of traveling with the spraying trolley, there is a supporting wheel to support it when it starts to penetrate into the pipe. Radial vibration, thus causing rod and spraying spiral, causing some places to be sprayed and some parts not to be sprayed during spraying, which not only increases the downtime but also affects the quality of spraying in the pipe

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Embodiment Construction

[0013] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0014] State of the art reference figure 1 As shown, the spraying rod before modification has only one 11 / 4 welded pipe, and when it goes deep into the pipe, it will vibrate.

[0015] Embodiments of the present invention refer to figure 2 Shown: a new spraying rod, including 11 / 4 welded pipe 2, the new spraying rod also includes 3 / 4 welded pipe 3 and 11 / 2 welded pipe 1, 11 / 4 welded pipe 2 is sleeved in 11 / 2 welded pipe 1, 3 / 4 welded pipe 3 is sleeved in 11 / 4 welded pipe 2, the spraying rod is welded by 11 / 2 welded pipe 1, 3 / 4 welded pipe 3 and 11 / 4 welded pipe 2, and the 3 / 4 welded pipe 3 is connected to the inner spray trolley; The length of the 3 / 4 welded pipe 3 is 3700mm, the length of the 11 / 4 welded pipe 2 is 2400mm, and the length of the 11 / 2 welded pipe 1 is 1500mm.

[0016] 11 / 2 welded pipe, 11 / 4 welded pipe and 3 / 4 welded pipe are standard...

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Abstract

The invention discloses a novel spraying rod, which comprises an eleven fourth welded tube, and is characterized by further comprising a three fourth welded tube and an eleven second welded tube, wherein the spraying rod is formed by sleeving and welding the eleven second welded tube, the three fourth welded tube and the eleven fourth welded tube; and the three fourth welded tube is connected with an internal spraying trolley. By sleeving three welded tubes of different diameters, the rigidity of the spraying rod is enhanced, the weight of the front end of the spraying rod is reduced, and the spraying efficiency is increased.

Description

technical field [0001] The invention relates to a spraying rod on the inner wall of a cast pipe, in particular to a novel spraying rod which can improve the quality of the internal spraying of the cast pipe without vibrating the rod when the paint spraying trolley travels for a long distance without support. Background technique [0002] At present, the spraying rod of the paint spraying machine on the inner wall of the cast pipe is made of a welded pipe. In the process of traveling with the spraying trolley, there is a supporting wheel to support it when it starts to penetrate into the pipe. Radial vibration causes rod and spraying spiral, causing some places to be sprayed and some parts not to be sprayed during spraying, which not only increases downtime but also affects the quality of spraying inside the pipe. [0003] In order to overcome the above defects, the present invention makes beneficial improvements. Contents of the invention [0004] The object of the presen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C7/08B05C11/00
Inventor 朱文斌
Owner SUNS CASTING CO LTD