Patent ID: 11891865
Assignee: ANSTEEL GROUP MINING CORPORATION LIMITED
Field: Civil engineering (Other fields)
Classification: CPC E | IPC E

Claim 1:
2. The full-face shaft tunnel boring machine system according to claim 1, wherein the first guide rollers are distributed at intervals along an axis direction of the vertical guide frame so as to constitute one row from top to bottom, and multiple rows of rollers are arranged at equal intervals along a circumferential direction of the vertical guide frame;
on a circumferential surface of the advanced cutterhead, the second guide rollers are distributed at intervals along an axis of the advanced cutterhead so as to constitute one row from top to bottom, and multiple rows of rollers are arranged at equal intervals along a circumferential direction of the advanced cutterhead;
on a side of the cutter-expanded boring head, the first hobbing cutters and the first scrapers are distributed at intervals along a slant height of a cone, multiple first hobbing cutters and multiple first scrapers are each distributed in a row, multiple rows of first hobbing cutters and multiple rows of first scrapers are distributed at equal intervals on the side of the cutter-expanded boring head along the circumferential direction of the cone, and a first muck outlet is disposed between any two adjacent rows of first scrapers;
at least one row of second hobbing cutters, and two rows of second scrapers that are located on both sides of the second hobbing cutters are arranged on a bottom face of the advanced cutterhead; and second muck outlets and the second hobbing cutters or the second scrapers are alternately arranged in the circumferential direction of the advanced cutterhead; and
the vertical guide frame and the advanced cutterhead are both hollow cylindrical structures, and a diameter ratio of the advanced cutterhead to the vertical guide frame is in the range of 1:2-1:6.