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:
Jul. 09, 2024
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;
Dongjiang Pan, Henan, CN;
Jianjun Zhou, Henan, CN;
Limeng Zhang, Henan, CN;
Yandong Yang, Henan, CN;
STATE KEY LABORATORY OF SHIELD MACHINE AND BORING TECHNOLOGY, Henan, CN;
CHINA RAILWAY TUNNEL GROUP CO., LTD., Guangdong, CN;
Abstract
A hard rock tunnel boring machine combining microwave heating with high pressure water cutting for assisting in rock breaking includes a tunnel boring machine body, a microwave heating assisted rock breaking system and a high pressure water cutting assisted rock breaking system, wherein the microwave heating assisted rock breaking system is arranged on the tunnel boring machine body, and is used for heating and cracking a rock; and the high pressure water cutting assisted rock breaking system is arranged on the tunnel boring machine body, and is used for performing hydraulic cutting on the rock. A rock breaking sequence lies in that the microwave heating assisted rock breaking system is used for heating and cracking the rock, then the high pressure water cutting assisted rock breaking system is used for performing hydraulic cutting on the rock, and finally, the tunnel boring machine body is used for squeezing and breaking the rock.