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An assembly welding process method of elastic oil tank with connecting pipe structure

A technology of elastic fuel tank and process method, applied in welding equipment, welding equipment, auxiliary welding equipment and other directions, can solve the problems affecting the verticality of elastic fuel tank, the difference in size, the influence of the size of the unevenness of the chassis, etc., to achieve both economy and practicability , Solve the effect of welding deformation

Active Publication Date: 2017-10-10
HARBIN ELECTRIC MASCH CO LTD
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Problems solved by technology

Due to the welding shrinkage stress of the connecting pipe, the elastic oil tank assembled and welded by this method is simple in process and short in production cycle, but when the size of the elastic oil tank is measured after welding, the flatness of the chassis may be poor, affecting The verticality of the elastic fuel tank, as the thickness of the chassis becomes thinner and the diameter becomes larger, the unevenness of the chassis is also greatly affected

Method used

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  • An assembly welding process method of elastic oil tank with connecting pipe structure
  • An assembly welding process method of elastic oil tank with connecting pipe structure

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Embodiment Construction

[0024] The object of the present invention is to provide an assembly process method of the chassis of the elastic fuel tank with connecting pipes which ensures the size of the product after the chassis of the flexible fuel tank is welded. Technical scheme of the present invention is:

[0025] (1) Chassis blanking processing: The chassis material is made of ordinary carbon structural steel plate Q235 or low-alloy structural steel Q345. After blanking, it is flattened and processed so that the flatness of the chassis is not greater than 0.05mm; (2) According to the requirements of the drawing, forging, Casting and processing methods to manufacture elastic oil tank 1, support iron and ring; (3) Assemble elastic oil tank 1, support iron and ring according to the requirements of the drawing, and weld the support iron and the weld seam of the elastic oil tank; (4) According to the requirements of the drawing, assemble Elastic oil tank 1. The connecting pipe and the chassis are tight...

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Abstract

The invention relates to an assembly welding process method of elastic oil tanks with a communication pipe structure. After being assembled, an elastic oil tank chassis is leveled and fixed to a positioner (turnover frame) platform, and L-shaped tie bars and wedge-shaped plates are adopted for pre-tightening force application and deformation resisting. Supporting tie bars are assembled and welded between the adjacent elastic oil tanks. The welding position of the elastic oil tank chassis is adjusted through the positioner (turnover frame) platform, full-position welding is carried out, welding seam inspection is carried out after welding is finished, and tie bar removing, rigid fixing, size measuring and cleaning are carried out. By means of the combination of rigid fixing, deformation resisting and pre-tightening force application, the key process problem of size control over the communication pipe type elastic oil tank chassis is solved. The method has the beneficial effects that manufacturing cost is low, the process is reasonable and simple, and the product size performance and product cost performance can be improved.

Description

technical field [0001] The invention relates to an assembly and welding process method of an elastic oil tank with a connecting pipe structure. Background technique [0002] In the past, the assembly and welding process of the elastic oil tank of the hydro-generator is to weld the elastic oil tank in a free state after it is assembled on the chassis. Due to the welding shrinkage stress of the connecting pipe, the elastic oil tank assembled and welded by this method is simple in process and short in production cycle, but when the size of the elastic oil tank is measured after welding, the flatness of the chassis may be poor, affecting The verticality of the elastic oil tank is greatly affected by the unevenness of the chassis as the thickness of the chassis becomes thinner and the diameter becomes larger. Contents of the invention [0003] The object of the present invention is to provide an assembly and welding method of an elastic oil tank with a connecting pipe structur...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23K31/02B23K37/00
CPCB23K31/02B23K37/00B23K2101/12
Inventor 冯国斌孙灵杰宋勃闫海滨蒋本海孙凤海夏立峰钱文川胡世峰夏振国魏方锴乔宏来
Owner HARBIN ELECTRIC MASCH CO LTD
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