公开(公告)号：US20210231013A1

公开(公告)日：2021-07-29

申请号：US16764405

申请日：2019-09-12

Applicant: China University of Mining and Technology

Inventor： Hongxiang JIANG ,  Songyong LIU ,  Zhencai ZHU ,  Changlong DU

IPC: E21D9/10

Abstract: The present invention discloses a hard rock roadway and tunnel boring machine with actively rotating hobs, including a rack provided with a crawler track unit. The rack is provided with a hydraulic power unit and a high-pressure abrasive jet generation system connected therewith. A transmission box is fixedly arranged at one of ends of the rack. The transmission box is provided with two input shafts and one output shaft. The input shafts are connected with planetary reduction mechanisms. Input ends of the planetary reduction mechanisms are connected with cantilever disc driving motors. A cantilever disc is fixed to the output shaft. Four cantilevers are hinged to the cantilever disc. Cantilever driving motors are further arranged on the cantilever disc. Actively rotating hob devices are arranged at ends of the cantilevers away from the cantilever disc. The transmission box is further provided with rotary sealing devices.