Paint spraying machine for inner wall of steel pipe

A technology for the inner wall of a steel pipe and a spraying machine, which is applied in the direction of coating, a device for coating liquid on the surface, etc., can solve the problems of complicated operation process, environmental pollution and high cost, and achieve simple operation, paint saving, and low spraying cost. Effect

Inactive Publication Date: 2010-12-22
SHANGHAI HUNENG ANTI CORROSION & HEAT INSULATION ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The method of galvanizing is complicated in operation, high in cost and pollutes the environment

Method used

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  • Paint spraying machine for inner wall of steel pipe
  • Paint spraying machine for inner wall of steel pipe
  • Paint spraying machine for inner wall of steel pipe

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Embodiment Construction

[0014] Describe in further detail below in conjunction with accompanying drawing and embodiment of the present invention:

[0015] figure 1 A schematic diagram of an embodiment of a steel pipe inner wall paint spraying machine of the present invention is shown. like figure 1 As shown, a trolley 100 is provided on the track 200 , the bottom of the trolley 100 has wheels 101 , and the trolley 100 can slide on the track 200 . The trolley 100 is provided with a drive motor 106 , which is connected to the wheels 101 through gears. Starting the drive motor 106 can drive the wheels 101 to rotate, and then drive the trolley 100 to slide on the track 200 . Four slender straight pipes 400 are fixed on the trolley 100, and extend out of the trolley 100 and stretch forward. A paint nozzle 802 is installed on the front end of each straight pipe 400. The straight pipe 400 is hollow and has a A paint conveying pipe 800 for conveying paint, one end of the paint conveying pipe 800 communica...

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Abstract

The invention relates to a paint spraying machine for the inner wall of a steel pipe. The machine comprises a trolley, four groups of hollow straight pipes and paint nozzles, wherein the hollow straight pipes are fixed on the trolley and extend forward; the paint nozzles are arranged on the front end of the hollow straight pipes; a paint conveying pipe is arranged in the hollow straight pipe; one end of the paint conveying pipe is communicated with a high-pressure airless spraying paint spraying machine, while the other end is communicated with the paint nozzles. The paint spraying machine for the inner wall of the steel pipe, which is used in spraying the inner wall of the steel pipe, has the advantages of no pollution, low cost and convenient operation.

Description

technical field [0001] The invention relates to the field of anti-corrosion, in particular to a steel pipe inner wall paint spraying machine for guardrails of bridges. Background technique [0002] The guardrail pipes are installed on both sides of the road and the bridge, and they are prone to rust due to wind and rain all the year round. Therefore, the inner and outer walls of the guardrail will be coated with a layer of paint before it is put into use for the first time. The outer wall of the guardrail pipe has been stored for a long time, and the surface is corroded, as long as the rust is removed according to the standard specifications, and then the specified paint is applied. However, it is not easy to spray paint on the inner wall of the guardrail, because the steel pipe for the guardrail is relatively long, generally about 12 meters, and the diameter is relatively small, so manual spraying cannot be achieved. So a method of galvanizing was created. In the galvaniz...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B05C7/02
Inventor 张中良石文明
Owner SHANGHAI HUNENG ANTI CORROSION & HEAT INSULATION ENG
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