Pipe cracking device for trenchless repair of pipeline
The utility model discloses a pipe cracking device for trenchless repair of a pipeline, and relates to the technical field of pipeline repair. The device comprises a cone section and a sleeve section, the larger end of the cone section is connected with the sleeve section, a pipe cracking blade is a...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The utility model discloses a pipe cracking device for trenchless repair of a pipeline, and relates to the technical field of pipeline repair. The device comprises a cone section and a sleeve section, the larger end of the cone section is connected with the sleeve section, a pipe cracking blade is arranged on the cone section, the diameter of the larger end of the cone section is not smaller than that of a damaged pipeline, and a new pipeline is connected to the rear portion of the sleeve section. The device disclosed by the utility model can break a damaged pipeline and then expand the diameter of the damaged pipeline, so that the size of a replaced new pipeline is not smaller than that of the damaged pipeline.
本实用新型公开了一种管道非开挖修复的裂管装置,涉及管道修补技术领域。该装置包括椎体段和套管段,所述椎体段较大的一端和套管段连接,所述椎体段上设有裂管刀刃,所述椎体段较大一端的直径不小于破损管道的直径,所述套管段后方连接有新管道。本实用新型的装置,其能够对破损管道破开,后对其进行扩径,使得更换的新管道尺寸不会小于破损管道。 |
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