Shield tunneling machine with ring edge cutters

Abstract

The invention belongs to a shield tunneling machine with ring edge cutters. The shield tunneling machine comprises a machine body, a transmission shaft, a soil discharge box, a conveyor belt, a cutterholder housing and a cutter. The multiple ring edge cutters are arranged on the side edge of a cutter disc at intervals, or the multiple ring edge cutters are arranged on the side edge of the front end of the cutter holder housing and the side edge of the cutter disc at intervals. Each ring edge cutter is in an arch shape, the outer side end of each ring edge cutter is provided with cutter teeth,and the inner side portion of each ring edge cutter is provided with bolt holes for integral fixing to the side edge of the cutter holder housing or the cutter disc at intervals. The length of the part, extending out of the outer periphery of the cutter disc, of the outer side end of each ring edge cutter is larger than the length of the part, extending out of the outer side of the cutter disc, of the cutter on the cutter disc. By means of the shield tunneling machine, the ring edge cutters are firstly used for cutting and separating surrounding stratums of a tunnel wall, the ideal tunnel wall face cutting effect can be achieved, and the advantages of being simple in structure, convenient to use, good in cutting effect, low in construction cost, energy-saving and good in use effect are achieved.

Description

technical field [0001] The invention belongs to a shield machine with a ring trimming knife. Background technique [0002] At present, the shield machine relies on the cutter head on the front face of the tool holder shell and the cutting knives and cutting tools configured on it to complete the cutting and excavation of the underground construction stratum to process the tunnel required for laying the pipeline, and then the laid pipeline wall The block is pushed against the back of the shield machine, and is pushed into the tunnel processed by the shield machine through the pipe jacking machine located at the back of the pipe pass, thereby completing the laying of the tunnel pipe wall. [0003] Most of the cutting knives arranged on the cutter head of the shield machine are located on the same cutting plane, and there are also cutting knives protruding from the middle of the cutter head. Ideally, the tunnel wall surface cut and excavated by the cutting knives on the cutter...

AI Technical Summary

Problems solved by technology

The cutting knives arranged on the cutter head are cut and protruded in the plane or in the middle during the excavation process. The excavation around the tunnel wall is carried out on the same plane as the surface excavation in other parts. Each cutter bears a large force, resulting in a large demand for power and a large energy loss

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