TBM tunneling test bench for microwave-assisted rotary rock breaking
US12339199B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Jun 10, 2021 |
| Grant date | Jun 24, 2025 |
| Priority date | — |
| Expiry date | Feb 20, 2043 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE21D9/11
- WIPO fieldCivil engineering
- WIPO sectorOther fields
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.