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:
Jun. 24, 2025
Filed:
Jun. 10, 2021
State Key Laboratory of Shield Machine and Boring Technology, Henan, CN;
China Railway Tunnel Group Co., Ltd., Guangdong, CN;
Gaoming Lu, Henan, CN;
Kairong Hong, Henan, CN;
Chuigang Zeng, Henan, CN;
Jianjun Zhou, Henan, CN;
Yandong Yang, Henan, CN;
Limeng Zhang, Henan, CN;
STATE KEY LABORATORY OF SHIELD MACHINE AND BORING TECHNOLOGY, Zhengzhou, CN;
CHINA RAILWAY TUNNEL GROUP CO., LTD., Guangzhou, CN;
Abstract
Provided is a TBM tunneling test bench for microwave-assisted rotary rock breaking including a tunneling test bench body and a microwave-assisted rock breaking system, wherein the tunneling test bench body includes a base, a turnover bracket, a movable bracket, turnover oil cylinders, a pushing oil cylinder and a cutter head; the turnover bracket is hinged to the base; the turnover oil cylinders are connected between the base and the turnover bracket; the movable bracket coaxially sleeves the turnover bracket; the pushing oil cylinder is connected between the turnover bracket and the movable bracket; the cutter head is coaxially located in the movable bracket, and rotates freely; cutter head rotation driving motors are mounted in the movable bracket; the microwave-assisted rock breaking system is mounted between the movable bracket and the cutter head; and a rock sample bearing and placing box is arranged on the turnover bracket on an opposite side of the cutter head.