Lining plastic pipe manufacturing equipment and method

Abstract

The invention discloses lining plastic pipe manufacturing equipment and method. The lining plastic pipe manufacturing equipment comprises a rack, a positioning mechanism, a hole shrinkage mechanism, afixing mechanism and a traction mechanism, the positioning mechanism, the hole shrinkage mechanism, the fixing mechanism and the traction mechanism are arranged on the rack, the positioning mechanismis used for supporting and stabilizing a plastic pipe, and the fixing mechanism is used for fixedly installing a lining steel pipe on the rack. The plastic pipe, the hole shrinkage mechanism and thelining steel pipe are positioned on the same horizontal line. The traction mechanism comprises a traction clamp, a traction rope, a fixed pulley assembly and a winch, the traction clamp is fixedly assembled on an end opening of one end of the plastic pipe, one end of the traction rope is fixedly connected with the traction clamp, and the other end of the traction rope sequentially penetrates through the hole shrinkage mechanism and the inner space of the lining steel pipe and then passes around the fixed pulley assembly to be connected with the winch. According to the manufacturing equipment,the integrated design of the hole shrinkage mechanism and the traction mechanism is adopted, the functions of the hole shrinkage mechanism and the traction mechanism are integrated, the problems thatafter hole shrinkage, the plastic pipe rebounds fast, and consequently penetration and insertion are inconvenient are solved, and thus construction becomes convenient, rapid and simple.

Description

technical field [0001] The invention belongs to the field of manufacturing equipment for lined plastic pipes, in particular to a manufacturing equipment and method for lined plastic pipes. Background technique [0002] The lining repair of existing water supply pipes usually adopts two methods: hose curing and PE plastic pipe penetration. Among them, PE pipe penetration is widely used in metal and concrete pipeline repair projects due to its reliable connection, wide application temperature, and good chemical corrosion resistance. PE pipe penetration repair usually adopts the method of pressing U and rolling to reduce the size of the pipe body. After being inserted into the original pipe, the size is restored by external force or the PE pipe itself, and it is close to the original pipe to achieve the effect of repair. . The U-pressing method needs to pre-press the PE pipe into a double U shape, and then fix it with straps. The deformation of the liner in this method is la...

AI Technical Summary

Problems solved by technology

However, the liner after rolling has an irregular shape, and with its own springback, it is easy to have a large difference in out-of-roundness from the original pipe, and the inner wall is rubbed, which makes the insertion construction difficult.

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