Ship-type tire welding positioner and welding method for U-rib plate unit of steel bridge
A welding method and technology of ship-shaped welding, applied in welding equipment, welding equipment, auxiliary welding equipment, etc.
Inactive Publication Date: 2015-07-08
SHANGHAI ZHENHUA HEAVY IND
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Problems solved by technology
[0004] The technical problem to be solved by the present invention is to provide a steel bridge U-rib unit boat-shaped welding tire frame and welding technology in order to overcome the defect that the traditional horizontal welding technology cannot meet the requirements of the steel bridge U-rib welding in the prior art
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[0042] In order to make the above objects, features and advantages of the present invention more comprehensible, specific implementations of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0043] In the following description, many specific details are set forth in order to fully understand the present invention, but the present invention can also be implemented in other ways than those described here, so the present invention is not limited by the specific embodiments disclosed below.
[0044] figure 1 It is a top view of the tire frame platform in the ship-shaped welded tire frame of the steel bridge U-rib unit of the present invention. figure 2 It is a structural schematic diagram of the U-rib unit boat-shaped welded tire frame of the steel bridge of the present invention. image 3 for figure 2 Enlarged view of part A in Fig. Figure 4 for image 3 A cross-sectional view taken along line A1-A1.
[0045] Such as ...
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Abstract
The invention provides a ship-type tire welding positioner and a welding method for a U-rib plate unit of a steel bridge. The tire welding positioner comprises a positioner platform, a rotating support base and at least two upright pillars, wherein the positioner platform is rotationally connected with the rotating support base; two upright pillars are respectively arranged at two sides of the positioner platform; two ends of the positioner platform are respectively connected with the adjacent upright pillars. In the ship-type tire welding positioner for the U-rib plate unit of the steel bridge and according to the characteristic of the U-rib plate unit and the penetration requirement of a U-rib welding seam, a specialized ship-type tire welding positioner is designed and the U-rib welding seam is welded by flat welding instead of transverse welding. The welding method comprises the steps: manufacturing the ship-type welding positioner for a bridge surface plate unit, welding the U-rib welding seam by flat welding instead of transverse welding and welding the U-rib welding seam by a CO 2 automatic welding trolley. The welding method has high welding efficiency and the welding seam is well formed.
Description
technical field [0001] The invention relates to the field of ship welding, in particular to a steel bridge U-rib unit ship-shaped welding tire frame and a welding method. Background technique [0002] The tire frame is a special process equipment for the convenience of mechanical equipment assembly and welding. Usually different equipment adopts different processes, and the form of tire frame is also different. In particular, the tire frame for the hull is a special process equipment for the assembly and welding of the hull sections. Its working surface fits the shape of the section, and its function is to make the assembly and welding of the sections have good conditions. The commonly used tire frame structure is generally welded by section steel. [0003] For example, in the Belgian gate project, for the U-rib weld on the pitched steel bridge, according to the design drawings and the requirements of the European EN1090 standard, the unpenetrated area at the root of the w...
Claims
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IPC IPC(8): B23K37/04B23K9/16
CPCB23K37/0461B23K9/16
Inventor 周力伟李森施挺高丽彬戴文秀
Owner SHANGHAI ZHENHUA HEAVY IND