Automatic sand blasting and rust removal device

Abstract

The invention relates to a device for automatic sand blasting and rust removal. Two support plates are in a horseshoe shape, and a tooth ring and an enhanced ring are respectively fixed on an inner side of a support plate. The inner side of each support plate is provided with external guide wheels distributed in a circular arc line on the upper part of the support plate, and internal guide wheels are uniformly distributed in a circular arc line at the lower part of the support plate. The tooth ring and the enhanced ring are concentric with the external guide wheels and the inner guide wheels, and are at the direction and positions as the openings of the support plates. Two arc plates, having radian matched with the arcs uniformly provided with the external guide wheels and the internal guide wheels, are connected into a whole. A motor is fixed on one side of an arc plate, and one end of a transmission shaft passes through the arc plates and is connected to a driving gear at the external side. Two arc plates are clamped into grooves of the external guide wheels and the inner guide wheels. A driving gear is engaged with the ring gear. Two swing spray gun components are symmetrically fixed on a swinging mounting assembly through swing bearing seats. The device can realize automatic rust removal in a fast, simple and stable way, reaches quality requirements for construction in an efficient and environment-friendly manner, and reduces the original operation time by half.

Description

technical field [0001] The invention relates to an automatic sandblasting and derusting device used in the pipeline repairing process. Background technique [0002] At present, no matter on land or in the ocean, after the welding construction of the pipeline, the joint part needs to be coated and repaired. In the joint filling process, the first process is to derust the outer surface of the pipeline within the joint joint range, and it is required to meet the corresponding standard level. [0003] In foreign countries, the technology of automatic sandblasting and rust removal has been relatively mature and widely used. In China, there are only few reports and similar one or two patents. So far, there is no automatic sand blasting and derusting device, and the manual derusting method of hand-held spray guns is still used. harm. If quartz sand is used as the rust removal medium, dust clusters will inevitably be produced to pollute the environment, and the scattered quartz s...

AI Technical Summary

Problems solved by technology

[0005] It can be seen from the existing patents and reports that the method of "single track side placement" is adopted, which is similar to the general automatic welding method, and it is a single-head device with low efficiency. It is very difficult to realize double-head

More importantly, there is still no product that can be applied in actual production, and it is only at the stage of experimental exploration

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