A positioning mold and assembly method for complete duplication of pipelines

Abstract

A positioning mold and assembly method for complete duplication of pipelines, including a positioning mold and an assembly method based on the positioning mold; the positioning mold includes several half-flanges, some auxiliary angle irons and some replacement connecting bolts, each half-flange Fixedly connected by several auxiliary angle irons, each replacement connecting bolt is screwed into the corresponding half flange; compared with the prior art, the beneficial effect of the present invention is that: through the positioning mold and assembly method, the original Under the premise of existing pipelines, the half-flange positioning model that can be used for the replication, assembly and welding of new pipe fittings is made in time on site, and the various dimensions, central axis, position, and angle data of the replicated pipelines are completely copied, and at the same time, there are dimensional parameters. Reference and verification functions; effectively improve the positioning accuracy of pipeline measurement and ensure that new pipelines can be accurately copied and installed; the tools used are simple in structure, low in cost, easy to operate, and are not limited by space conditions.

Description

【Technical field】 [0001] The invention relates to the technical field of metal pipelines, in particular to a positioning mold and an assembly method for complete duplication of pipelines. 【Background technique】 [0002] Existing metal pipes have different shapes, and those with double ports also have multiple ports. In order to facilitate the connection, a flange is generally arranged at each port and connected to each other through the flanges. [0003] At present, in the pipeline processing and production, it is generally based on the drawings and the blanking and welding production is carried out in accordance with the relevant size requirements. In reality, if you want to replace the pipes that are already in use, you must either process and manufacture them according to the configuration drawings, or use measuring tools such as tape measures and levels to measure and position them on site to collect the actual dimensions of the pipe fittings, draw the drawings and proce...

AI Technical Summary

Problems solved by technology

It is often impossible to complete the full-scale replication due to the difference in the accuracy of the instrument, and often because of insufficient space around the system where the pipe is located, the electronic instrument cannot carry out on-site measurement and positioning, so the pipe fitting cannot be replicated

[0007] Regardless of whether the pipe fittings are reproduced and welded according to the drawings or the size data of the measuring equipment, the accuracy of the fixed position of the new flange and the new pipe fittings cannot be guaranteed during the installation and welding process, especially the inclination angle of the flange surface and the central axis of the screw hole

Moreover, these deviations cannot be verified in the welding assembly, which leads to the fact that the copied pipe fittings cannot be installed in the original system position at all.

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