Special-shaped steel pipe splicing and method

Abstract

The invention relates to the technical field of special-shaped steel pipes and discloses special-shaped steel pipe splicing and method. Equipment used in the special-shaped steel pipe splicing comprises a base, a plurality of supporting columns are fixedly connected to the upper surface of the base, a cross beam is fixedly connected to the upper ends of the multiple supporting columns, strip-shaped teeth are formed in the upper surface of the cross beam, a left moving mechanism is slidably connected to one side of the cross beam, a left clamping mechanism is fixedly connected to the upper end of the left moving mechanism, a first special-shaped steel pipe is arranged on the left clamping mechanism, a right moving mechanism is slidably connected to the other side of the cross beam, and a right clamping mechanism is fixedly connected to the upper end of the right moving mechanism. According to the special-shaped steel pipe splicing and the method, the cross beam is arranged on the base, the left moving mechanism and the right moving mechanism are arranged on the cross beam, the left clamping mechanism and the right clamping mechanism are fixed to the left moving mechanism and the right moving mechanism respectively, the two special-shaped steel pipes to be spliced are fixed to the left clamping mechanism and the right clamping mechanism respectively, the two steel pipes are located on the same straight line, follow-up splicing is facilitated, the straightness after splicing is high, and the splicing quality is high.

Description

technical field [0001] The invention relates to the technical field of special-shaped steel pipes, in particular to a splicing and method for special-shaped steel pipes. Background technique [0002] Special-shaped steel pipe is the general term for seamless steel pipes with cross-sectional shapes other than round pipes. Special-shaped steel pipes are economical section steel pipes, including non-circular cross-sectional profiles, equal wall thickness, variable wall thickness, variable diameter along the length direction, and Variable wall thickness, symmetric and asymmetric cross-section, such as triangle, square, rectangle, cone, trapezoid, spiral, etc., special-shaped steel pipes can better adapt to the particularity of use conditions, save metal and improve labor productivity in parts manufacturing , It is widely used in aviation, automobile, shipbuilding, mining machinery, agricultural machinery, construction, textile and boiler manufacturing, etc. [0003] Special-sha...

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Problems solved by technology

[0003] Special-shaped steel pipes with a triangular cross-section have the advantages of saving materials, simple manufacture, stable structure, and strong deformation resistance. After welding, the welded part should be ground flat before use. Before welding, the two special-shaped steel pipes need to be placed in a good position, but it is difficult to make the two special-shaped steel pipes in the same line with the naked eye. It is also easy to drive the placed special-shaped steel pipes during welding. Move, resulting in poor welding quality, and there is also a fitting of just the right size in the special-shaped steel pipe, which can well ensure that the two special-shaped steel pipes are in the same line, but it is not easy to find a connecting piece of just the right shape and size, and the welded joints are connected If it is too small, it needs to be polished and smoothed in the later stage, and there is no connection between the connecting piece and the special-shaped steel pipe, resulting in low connection strength and poor splicing effect

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