Welding tooling for pantograph mounting seat assembly welding and pantograph mounting seat welding method

Abstract

The invention relates to the technical field of pantograph mounting, and discloses a welding tooling for pantograph mounting seat assembly welding and a pantograph mounting seat welding method. The welding tooling comprises a tooling framework and a planeness control unit and a height positioning unit which are mounted on the tooling framework, wherein the planeness control unit comprises a plurality of positioning plates which are arranged according to the number, the dimensions and the relative positions of pantograph mounting seats for a train for the city field; each pantograph mounting seat corresponds to one positioning plate in a jointing manner; the entire planeness of the planeness control unit is adaptive with the corresponding pantograph mounting seat; through holes are formed in the positioning plates to allow the pantograph mounting seats to be mounted; and the height positioning unit comprises a plurality of positioning columns which are equidirectionally arranged with the positioning plates on the tooling framework, the height of each positioning column is greater than the thickness of the corresponding positioning plate, and the height difference is equal to the distance difference between the upper surface of each pantograph mounting seat and the surface of a pantograph plate. The planeness control unit and the height positioning unit are combined, so that theplaneness of the upper surfaces of the planeness mounting seats can be effectively guaranteed to meet requirements.

Description

technical field [0001] The invention relates to the technical field of pantograph installation, in particular to a welding tool for assembling and welding a pantograph mounting seat and a welding method for a pantograph mounting seat. Background technique [0002] With the accelerated development of urbanization in my country, cities are showing a trend of multi-center or radial development. At the same time, a large number of satellite cities are rising, which promotes a large number of commuting within the urban area, outside the central city, and in specific directions (suburban new cities or between the airport and the central city). The emergence of traffic and traffic congestion have become a bottleneck restricting the further development of urbanization. The birth of the urban express train has completely broken this bottleneck. [0003] Urban express trains use pantographs with dual power supply systems, and have dynamic and automatic switching functions. However, th...

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Problems solved by technology

[0004] There are three pantograph mounts for urban trains, which are installed in the center of the pantograph mounting plate with a size of about 60x1800x3600mm. The installation height, relative position size, and flatness of the upper surfaces of the three mounts have high design requirements. , the production process is difficult

And because the insulator is high, the fluctuation of flatness on the pantograph mounting base will be greatly amplified by the angle factor, and finally affect the installation of the pantograph

[0005] In order to ensure the successful assembly of the pantograph, it is necessary to reduce the flatness value between the upper surfaces of the pantograph mounting seat on the aluminum alloy car body frame as much as possible. However, since the urban train was born not long ago, there is currently no special tooling to effectively control it. The flatness between the upper surfaces of the pantograph mounting seat after assembly and welding

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