Butt welding positioning tool and method for two semi-cylindrical shells
A technology of semi-cylindrical shell and welding positioning tooling, which is applied in the direction of welding equipment, auxiliary welding equipment, welding/cutting auxiliary equipment, etc., to achieve the effect of accurate docking positioning
Pending Publication Date: 2019-02-26
SHANXI FENXI HEAVY IND
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Problems solved by technology
[0003] The invention provides a butt welding positioning tool and positioning method of two semi-cylindrical shells, which solves the technical problem of how to accurately butt joint and position the two semi-cylindrical shells to facilitate the smooth progress of the inner weld welding work
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[0016] The present invention is described in detail below in conjunction with accompanying drawing:
[0017] A positioning tool for butt welding of two semi-cylindrical shells, comprising a positioning tool base plate 1, a left semi-cylindrical shell 6 and a right semi-cylindrical shell 7, and left roller pair brackets 2 are respectively arranged on the positioning tool base plate 1 And right roller pair support 4, on left roller pair support 2, be provided with left roller pair 3, on right roller pair support 4, be provided with right roller pair 5, the central axis of left roller pair 3 and the right roller pair 5 central axis On the same straight line, a left semi-cylindrical housing 6 is connected to the left roller pair 3, a right semi-cylindrical housing 7 is connected to the right roller pair 5, and a left semi-cylindrical housing 6 is connected to the left semi-cylindrical housing 6. Butt welding inner welding seam 8 is arranged between the right semi-cylindrical shell...
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The invention discloses a butt welding positioning tool and method for two semi-cylindrical shells. The aim is achieved that the two semi-cylindrical shells are subjected to accurate butt positioning,so that convenience is provided for smooth implementation of welding work in an inner weld joint. A left idler wheel pair support (2) and a right idler wheel pair support (4) are arranged on a positioning tool baseplate (1) separately, the central axis of a left idler wheel pair (3) and the central axis of a right idler wheel pair (5) are located on the same straight line, and the left semi-cylindrical shell (6) is in jacking connection with the left idler wheel pair (3); the right semi-cylindrical shell (7) is in jacking connection with the right idler wheel pair (5), a butt welding inner weld joint (8) is formed between the left semi-cylindrical shell (6) and the right semi-cylindrical shell (7), a left fixed vertical plate support (9) is arranged at the left side of the left semi-cylindrical shell (6), and a right movable vertical plate support (10) is arranged at the right side of the right semi-cylindrical shell (7). Accurate butt joint and positioning for the two semi-cylindrical shells are achieved.
Description
technical field [0001] The invention relates to a positioning tool for butt welding two semi-cylindrical shells into a longer semi-cylindrical shell, in particular to a butt welding positioning tool and a positioning method for two semi-cylindrical shells. Background technique [0002] The main body of the lower half base of some large DC propulsion motors is composed of two semi-cylindrical shells butt welded into a longer semi-cylindrical shell; because the semi-cylindrical shell is thicker and longer in length, Limited by the bending length of the bending machine, the shell cannot be bent into a semicircular arc by one steel plate, but by bending two shorter steel plates into a semicircular arc, and then lengthening them Butt welding; the middle butt weld is a half-girth weld with a U-shaped groove with a thickness of 40 mm. During assembly and welding, how to accurately butt and position the two half-cylindrical shells has become a technical problem that needs to be solv...
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IPC IPC(8): B23K37/053B23K101/06
CPCB23K37/0533
Inventor 卢宏钢张玲娟任瑞文苑杰石红兵吕丽鹏王吉生武术强宋文宝姚志强
Owner SHANXI FENXI HEAVY IND