公开(公告)号：US20200263540A1

公开(公告)日：2020-08-20

申请号：US16753801

申请日：2018-04-23

申请人： SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY

发明人： Kuidong GAO ,  Liqing SUN ,  Qingliang ZENG ,  Xin ZHANG ,  Wenbo XU ,  Liang WANG ,  Xiaodi ZHANG

IPC分类号： E21C25/10 ,  E21C31/02

摘要： A shearer cutting unit with double-speed rollers includes a motor driving unit, a motor driving unit, a gear transmission unit and a roller output unit. The motor driving unit includes a left cutting motor and a right cutting motor which are both arranged in a cutting unit case and connected with the roller output unit in a transmission way through the gear transmission unit. The roller output unit comprises a middle output shaft (3-1), a far-end output shaft, a middle support frame, a middle roller, a far-end support frame and a far-end roller. A cutting roller is separated into two coaxially-rotating parts, and the two rollers can rotate in different speeds.