US 12,410,660 B1
Full-face shaft boring machine, boring system, and boring method
Renshu Yang, Beijing (CN); Liyun Yang, Beijing (CN); Yiqiang Kang, Beijing (CN); Zhengbai Chen, Beijing (CN); Huidong Xu, Beijing (CN); Donghui Man, Beijing (CN); Bingyu Liu, Beijing (CN); Xuejun Sun, Beijing (CN); Fei Ma, Beijing (CN); Chaoyang Sun, Beijing (CN); Xinmin Ma, Beijing (CN); Liang Ma, Beijing (CN); Gang Niu, Beijing (CN); Qunshan Yang, Beijing (CN); Ning Liu, Beijing (CN); Weiqiang Chen, Beijing (CN); Siyuan Huang, Beijing (CN); Man Yao, Beijing (CN); Jinjun Liao, Beijing (CN); Bin Xu, Beijing (CN); Huaquan Zhang, Beijing (CN); Qingping Chai, Beijing (CN); Zhidong Guo, Beijing (CN); Hechao Zhu, Beijing (CN); Yong Wang, Beijing (CN); and Yongping Shao, Beijing (CN)
Assigned to University of Science and Technology Beijing, Beijing (CN); and China University of Mining and Technology-Beijing, Beijing (CN)
Filed by University of Science and Technology Beijing, Beijing (CN); and China University of Mining and Technology-Beijing, Beijing (CN)
Filed on Jan. 13, 2025, as Appl. No. 19/018,097.
Int. Cl. E21B 10/42 (2006.01); E21B 7/00 (2006.01); E21B 21/00 (2006.01); E21B 41/00 (2006.01); E21D 5/04 (2006.01)
CPC E21B 10/42 (2013.01) [E21B 7/003 (2013.01); E21B 21/00 (2013.01); E21B 41/00 (2013.01); E21D 5/04 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A full-face shaft boring machine, comprising a cutterhead structure provided with an outer tapered surface structure protruding in a boring direction, wherein the outer tapered surface structure surrounds an outer circumferential side of a rotation center of the cutterhead structure, and a radial cross section of the outer tapered surface structure gradually decreases in the boring direction; at least one receiving port for rock slag to pass through is formed at a taper top of the outer tapered surface structure and runs through the cutterhead structure in the boring direction, and a slag discharging assembly for discharging the rock slag is arranged on a side of the cutterhead structure away from the boring direction,
wherein an inner tapered surface structure protruding in a direction opposite the boring direction is coaxially arranged with the cutterhead structure and at the rotation center of the cutterhead structure, a radial cross section of the inner tapered surface structure gradually decreases in the direction opposite the boring direction, and an outer circumferential edge of a taper bottom of the inner tapered surface structure is connected to an outer circumferential edge of the taper top of the outer tapered surface structure.