Paint spraying device for surface of large-diameter chemical pipeline

Abstract

The invention discloses a paint spraying device for a surface of a large-diameter chemical pipeline. The paint spraying device for the surface of the large-diameter chemical pipeline comprises a bottom plate; a left vertical plate and a right vertical plate are fixedly mounted on the bottom plate in a vertical welding manner; cross bridgings are arranged at the two sides of sliding sleeve barrelsand fixing plates; electric telescoping rods connected with the sliding sleeve barrels are arranged on a driven rotary shaft or a driving shaft; an output shaft of a positive and negative rotation motor is fixedly connected with the driving shaft in an axial manner and a driving pulley is arranged on the driving shaft; a threaded sleeve barrel is arranged on a threaded rod in a sleeving manner bythreaded connection; a paint spraying shield plate is of a half-arc-plate-shaped structure and a plurality of spray nozzles are uniformly arranged at the inner side of the paint spraying shield platealong the cambered surface; a cavity which communicates with the spray nozzles are arranged in the paint spraying shield plate. The device is strong in adjustability and adaptable to fixing function of steel pipes of different internal diameter; the steel pipe can rotate itself and the spray nozzles can move back and forth along the steel pipe and spray paint on the surface of the steel pipe at the same time, so that the paint spraying effect of the steel pipe can be better, the paint can uniformly attach on the surface of the steel pipe and the waste of the paint can be avoided.

Description

technical field [0001] The invention relates to the technical field of chemical pipeline anticorrosion, in particular to a large-diameter chemical pipeline surface paint spraying device. Background technique [0002] Pipeline is a device connected by pipes, pipe connectors and valves to transport gas, liquid or fluid with solid particles. Due to its unique characteristics, pipes are widely used in many industries and fields. Pipelines have many uses It is widely used in water supply, drainage, heat supply, gas supply, long-distance oil and natural gas transportation, agricultural irrigation, hydraulic engineering and various industrial installations. [0003] In the field of chemical construction, chemical pipelines, as important material transport parts, play an important role in chemical production. Since most chemical pipelines are metal pipelines, they need to be painted and anti-corrosion before the pipelines. The existing pipeline anti-corrosion devices are only for S...

AI Technical Summary

Problems solved by technology

[0003] In the field of chemical construction, chemical pipelines, as important material transport parts, play an important role in chemical production. Since most chemical pipelines are metal pipelines, they need to be painted and anti-corrosion before the pipelines. The existing pipeline anti-corrosion devices are only for Small-diameter pipes are more convenient for anticorrosion. For large-diameter pipes, the workload of painting is relatively large, and the effect is poor. At the same time, the paint is easy to spread everywhere during the painting process, resulting in waste of paint.

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