Welding manner for buried pipeline
A technology for buried pipes and pipes, which is applied to welding equipment, tubular objects, applications, etc., and can solve problems such as low welding efficiency, inconvenient operation, and low welding quality
Inactive Publication Date: 2018-11-23
LINZHOU LINFENG ALUMINUM & ELECTRICITY
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Problems solved by technology
Traditional welding methods are, such as figure 1 , firstly, dig out a larger working surface on the upper and lower soil layer 2 of the buried pipe 1 that needs to be repaired and welded. Cracks in buried pipes 3. When welding, the welded pipes need to be neatly connected, the welding rod should be bent, and finally, the welding should be started on the outside of the bottom surface of the pipes. In order to weld better, sometimes it is necessary to place a mirror under the pipes. Welding the bottom of the pipe, this welding method is inconvenient to operate, the welding efficiency is low and the welding quality is not high
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[0016] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.
[0017] A buried pipe welding method, comprising the following steps:
[0018] Step 1: Dig out the working face above the buried pipe and neatly butt the welded pipes
[0019] Step 2: cutting and forming an opening at the top of any pipe at the welding position;
[0020] Step 3: The welding clamp enters the interior of the pipe through the opening on the pipe, and welds the lower half of the pipe on the inside of the pipe;
[0021] Step 4: After the welding of the lower half is completed, weld the remaining part on the outside of the pipe so that the inside and outside solder joints are combined;
[0022] Step 5: Weld the...
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The invention discloses a welding manner for a buried pipeline. The welding manner comprises the following steps of digging out a working face above the buried pipeline and butting welded pipelines inmanner of alignment; cutting the top part of any one welded pipeline to form an opening; enabling a welding clamp to enter the interior of the pipeline through the opening in the pipeline, and welding the lower half part of the pipeline at the inner side of the pipeline; after welding of the lower half part is finished, welding remaining part at the outer side of the pipeline so as to combine aninner side welding spot with an outer side welding spot; and welding the opening in the top part of the welded pipeline to finish welding of the whole pipeline. According to the welding manner disclosed by the invention, welding of the buried pipeline can be rapidly finished, and the welding manner has the technical effects of being convenient to weld, high in welding efficiency and high in quality.
Description
technical field [0001] The invention belongs to the field of pipeline welding, and in particular relates to a welding method for buried pipelines. Background technique [0002] Buried pipes and pipes are buried under the ground for a long time, and the environment is relatively humid, which makes the pipes rotten and damaged. Therefore, repair welding is required. Traditional welding methods are, such as figure 1 , firstly, dig out a larger working surface on the upper and lower soil layer 2 of the buried pipe 1 that needs to be repaired and welded. Cracks in buried pipes 3. When welding, the welded pipes need to be neatly connected, the welding rod should be bent, and finally, the welding should be started on the outside of the bottom surface of the pipes. In order to weld better, sometimes it is necessary to place a mirror under the pipes. Welding the bottom of the pipeline is inconvenient to operate, the welding efficiency is low and the welding quality is not high. C...
Claims
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IPC IPC(8): B23K31/02B23K101/06
CPCB23K31/02
Inventor 丁安峰秦保军
Owner LINZHOU LINFENG ALUMINUM & ELECTRICITY