Manufacturing method of high-rigidity drawing arm and drawing arm manufactured by using same

Abstract

The invention discloses a manufacturing method of a high-rigidity drawing arm body, which comprises the following steps of: (1) providing a steel bar, a sealing plate and a welding gun, and welding the steel bar on the surface of the sealing plate by the welding gun in a spot welding manner; (2) providing a hollow drawing arm body with two open ends, enabling the sealing plate to face the opening of the drawing arm body, and enabling the steel bar and the sealing plate to extend into the drawing arm body; (3) a measuring tool is provided, one end of the measuring tool extends into the drawing arm body and abuts against the sealing plate, and a numerical value on the measuring tool is read; (4) a welding gun extends into the drawing arm body, and the sealing plate and the drawing arm body are welded through the welding gun in a segmented welding mode; and (5) beating and taking out the steel bar. And (6) the steps are repeated, and the multiple sealing plates are arranged in the drawing arm body at intervals. The high rigidity effect can be achieved under the condition that the weight and the thickness of the drawing arm are not increased. And meanwhile, the weight of the drawing arm is not excessively increased, so that the energy consumption cost can be reduced.

Description

technical field [0001] The invention relates to the field of manufacture of manipulator pulling arms, in particular to a method for manufacturing a high-rigidity pulling arm and a pulling arm produced by the method. Background technique [0002] The pull-out arm of the large manipulator is generally made of steel flat pass or square pass. In order to improve rigidity, two are usually welded together, or the cross-sectional size and thickness of the flat pass or square pass are increased. Such a pulling arm is too heavy, the transmission power needs to be increased, and the energy consumption cost is increased. [0003] On the market, however, there are few manipulator arms that can improve rigidity and reduce energy costs without increasing the thickness and cross-sectional size. [0004] Therefore, there is an urgent need for a method for manufacturing a high-rigidity pulling arm that can reduce energy costs while increasing the rigidity of the pulling arm, and a pulling a...

AI Technical Summary

Problems solved by technology

Such an extraction arm is too heavy, the transmission power needs to be increased, and the energy consumption cost increases

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