Patent ID: 11860135
Assignee: SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY
Field: Measurement (Instruments)
Classification: CPC G | IPC G

Claim 7:
8. The three-dimensional dynamic and static load test system for simulating deep roadway excavation according to claim 7, wherein the roadway excavation device comprises a mobile chassis, a driving mechanism, a rotary table, a rotation driving mechanism, a cantilever rack, a multi-stage oil cylinder, a support oil cylinder, a rotary drill bit, a rotary driving mechanism, a stress sensor, and an excavation control unit, wherein the mobile chassis is driven to move by the driving mechanism, the rotary table is rotatably connected to the mobile chassis, the rotary table is driven to rotate by the driving mechanism, the cantilever rack is arranged on the rotary table, the cantilever rack is arranged on the rotary table, a cylinder end of the multi-stage oil cylinder is hinged with a cantilever rack, one end of the support oil cylinder is hinged with the cantilever rack, an other end of the support oil cylinder is hinged with the cylinder end of the multi-stage oil cylinder, an end of a telescopic end of the multi-stage oil cylinder is provided with the rotary drill bit, the rotary drill bit is driven to rotate by the rotary driving mechanism, a stress sensor is arranged on the rotary drill bit, the excavation control unit is respectively connected to the driving mechanism, the rotation driving mechanism, the multi-stage oil cylinder, the support oil cylinder, the rotary driving mechanism, the stress sensor through signals, and the excavation control unit is connected to the main control unit through signals.