| 摘要 |
PURPOSE: An installing device for welding a pipe body is provided to exactly weld without the previous tag-welding by easily aligning the both ending parts of a pipe body when welding the body pipe each other. CONSTITUTION: The installing device for welding a pipe body is formed by:a driving unit(3) made up of a cylinder(10) adhering hoses(12, 14) in front and in the rear to move forwards/backwards a central road(18) by using the oil pressure and the air as the power source; and an operating unit(4) made up of a boss(20) fixed on the front ending part of the road(18), a fixture(16) adhered on the rear face, and a first and a second push stick(36, 38), a first and a second link(32, 34) and a connecting bar(30) which connect a certain contact boards(40) placed on the outer circumference each other and make the contact boards(40) widened or closed round the road(18) according to the forward/backward movement of the road(18) by assembling the contact board with the link connecting method.
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