A kind of semi-automatic welding equipment for hull outer wall

Abstract

The invention discloses a semi-automatic welding equipment for the outer wall of a hull, which relates to the technical field of shipbuilding and includes a support frame, a flexible welding seat, a cleaning mechanism, a cooling mechanism, a base and a flexible fitting assembly. Ensure that the distance between the substrate and the welding surface remains constant, that is, the distance between the welding head and the welding surface is constant, which effectively ensures the stability of the welding quality of the outer wall of the hull under different curvature conditions. The mechanism, on the one hand, can clean up the rust on the surface of the welding surface in advance, which further improves the welding quality; Cooling reduces the cooling speed and improves the welding quality. The three are carried out simultaneously, which significantly improves the welding efficiency.

Description

technical field [0001] The invention belongs to the technical field of shipbuilding, and in particular relates to a semi-automatic welding device for the outer wall of a ship. Background technique [0002] At present, the welding of the outer wall of the hull is mostly manual welding, which has high technical requirements for workers. During welding, workers need to stand for a long time, which is labor-intensive and prone to safety hazards. It is also difficult to accurately control the welding quality. [0003] Some devices capable of automatic welding have also appeared in the prior art, such as a kind of hull wall-climbing welding device whose Chinese patent publication number is CN103934596B. It can be freely stretched and bent within a certain limit to fit the surface of the hull, and maintain the balanced posture of the equipment mounting base, so that the welding torch can perform welding operations in a stable posture and complete the hull welding work efficiently. ...

AI Technical Summary

Problems solved by technology

Although it realizes the automation of welding, for large hulls, it is very difficult to realize the precise driving of the welding device, and the welding accuracy is difficult to guarantee; secondly, the device cannot ensure that the distance between the welding torch and the welding surface remains constant. As a result, on the welding surface with large curvature changes, the welding quality of each part is uneven; thirdly, because the welding surface of the outer wall of the hull is exposed to the environment, it is inevitable that rust will occur. If the rust cannot be cleaned before welding, It will also have a certain impact on the welding quality. The traditional way is to use manual or other mechanical pre-cleaning, which is low in efficiency and high in cost; finally, since most of the current welding places are outdoors, if the weather with low outdoor temperature , due to the increase of cooling rate due to low temperature, more welding stress is likely to occur in the welded part, and at the same time, it will also have an adverse effect on the welded structure

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