Prefabricated pipe section flange welding hole aligning device and using method
A flange hole and limit device technology, applied in auxiliary devices, welding equipment, auxiliary welding equipment, etc., can solve the problems of high cost of flange welding tooling, cumbersome adjustment process of equipment, poor adaptability of special-shaped pipe sections, etc. Convenience, save the work of angle adjustment, high flexibility
Pending Publication Date: 2021-12-24
CHINA CONSTR FIRST BUILDING GRP CORP LTD +1
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Problems solved by technology
[0006] The technical problems to be solved are: the cost of flange welding tooling is high, the equipment is bulky and the adjustment process is cumbersome, and the processing efficiency is low; the adaptability to different pipe diameters and special-shaped pipe sections is poor
Method used
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[0041] Such as figure 1 As shown, the present invention discloses a prefabricated pipe segment flange welding hole alignment device and its use method. The hole alignment device includes a gear guide rail, a tightening device installed on both sides of the gear guide rail, an angle adjustment device installed on the gear guide rail, and an installation Limiting device 12 on the gear rail.
[0042] combine figure 1 and figure 2 The gear guide rail includes a guide rail base 1, a gear 2 installed on the top surface of the guide rail base 1, and an upper guide rail 3 and a lower guide rail 4 that are slidably arranged on the guide rail base 1. The upper guide rail 3 is located above the lower guide rail 4. The upper guide rail 3 and the lower guide rail The guide rail 4 is provided with a slideway 5 arranged along its length direction and runs through the upper and lower sides of the guiderail. By pulling the upper guide rail 3 and the lower guide rail 4, the length of the ge...
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The invention discloses a prefabricated pipe section flange welding hole aligning device and a using method. The hole aligning device comprises a gear guide rail, screwing devices installed on the two sides of the gear guide rail and an angle adjusting device installed on the gear guide rail. The gear guide rail comprises a guide rail base, gears installed on the guide rail base, an upper guide rail and a lower guide rail, the upper guide rail and the lower guide rail are arranged on the guide rail base in a sliding manner, sliding ways are arranged on the upper guide rail and the lower guide rail, the gears are located in the sliding ways, and teeth engaged with the gears are arranged on the two sides of each sliding way. The screwing devices comprise bolts and nuts, and the upper guide rail and the lower guide rail are provided with bolt holes allowing the bolts to penetrate. The angle adjusting device comprises a dial fixedly arranged on the guide rail base and located above the gears, a spirit bubble base rotationally connected to the dial and a bubble level installed on the spirit bubble base. The device is simple in structure, reasonable in design, capable of effectively improving the flange plate hole aligning welding precision, high in applicability, low in cost and convenient to install, and the machining period is effectively shortened.
Description
technical field [0001] The invention relates to the technical field of flange plate installation, in particular to a prefabricated pipe section flange welding hole matching device and a use method. Background technique [0002] In the construction process of the prefabricated refrigeration room, the structural forms of the prefabricated pipe sections are complex and diverse, and the processing precision is required to be high. During the flange welding process of prefabricated pipe sections, the positioning of flange holes is extremely important. [0003] In the existing pipeline flange welding process, it is difficult to manually align the holes, and the quality is difficult to control. The errors caused by human factors cannot be eliminated, and the offset of the flange holes exceeds the allowable error, which may cause the pipeline equipment and valves to be skewed. , In severe cases, the flange holes of the prefabricated pipes cannot be connected, and the equipment pipe...
Claims
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IPC IPC(8): B23K37/053
CPCB23K37/0536
Inventor 孟庆礼周大伟陈帅王竞千刘艳婷刘宴伟赵艳孙征张晓明彭琳朱佳庆
Owner CHINA CONSTR FIRST BUILDING GRP CORP LTD