The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 01, 2022
Filed:
Jul. 01, 2020
Institute of Rock and Soil Mechanics, Chinese Academy of Sciences, Hubei, CN;
Hui Zhou, Hubei, CN;
Jingjing Lu, Hubei, CN;
Futong Xu, Hubei, CN;
Chuanqing Zhang, Hubei, CN;
Dawei Hu, Hubei, CN;
Yang Gao, Hubei, CN;
Fanjie Yang, Hubei, CN;
Yong Zhu, Hubei, CN;
Mingming Hu, Hubei, CN;
INSTITUTE OF ROCK AND SOIL MECHANICS, CAS, Wuhan, CN;
Abstract
Disclosed a combined rock-breaking TBM tunneling method in complex strata for realizing three-way force detection, comprising the steps of preparing a combined mechanical-hydraulic rock-breaking cutter head for TBM construction; starting construction; advancing the combined mechanical-hydraulic rock-breaking cutter head; pushing and pressing against a tunnel face by a mechanical cutter tool; subjecting a three-way force detection cutter to squeezing forces; feeding back three-way force data by a three-way force sensor; processing information by a TBM back-end control processor; obtaining a value of rock-cutter contact angle φ; feeding back parameter information to a TBM cutter head control center by a lithology index center; responding by the TBM cutter head control center, obtaining and adjusting parameters by the mechanical cutter tool equipped with the three-way force sensor; and breaking rock by the combined mechanical-hydraulic rock-breaking cutter head. The method disclosed is energy-saving and efficient, and has high rock-breaking efficiency.