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:
Mar. 23, 2021
Filed:
Apr. 23, 2018
Shandong University of Science and Technology, Shandong, CN;
Kuidong Gao, Shandong, CN;
Liqing Sun, Shandong, CN;
Qingliang Zeng, Shandong, CN;
Xin Zhang, Shandong, CN;
Wenbo Xu, Shandong, CN;
Liang Wang, Shandong, CN;
Xiaodi Zhang, Shandong, CN;
SHANDONG UNIVERSITY OF SCIENCE AND TECHNOLOGY, Shandong, CN;
Abstract
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 (-), 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.