Title:
CUTTING UNIT OF SHEARER, PROVIDED WITH DOUBLE-SPEED ROLLERS
Document Type and Number:
WIPO Patent Application WO/2019/109577
Kind Code:
A1
Abstract:
A cutting unit of a shearer, provided with double-speed rollers. A motor drive portion comprises a left cutting motor (1-1) and a right cutting motor (1-2) that are disposed in a cutting unit box body (1-3), and the motor drive portion is in transmission connection with a roller output portion by means of a gear transmission portion. The roller output portion comprises a middle output shaft (3-1), a far-end output shaft (3-2), a middle support rack (3-5), a middle roller (3-6), a far-end support rack (3-7), and a far-end roller (3-9). One cutting roller is separated into two coaxially-rotating parts, and the two rollers can rotate at different speeds.
Inventors:
GAO KUIDONG (CN)
ZENG QINGLIANG (CN)
ZHANG XIN (CN)
XU WENBO (CN)
WANG LIANG (CN)
ZHANG XIAODI (CN)
ZENG QINGLIANG (CN)
ZHANG XIN (CN)
XU WENBO (CN)
WANG LIANG (CN)
ZHANG XIAODI (CN)
Application Number:
PCT/CN2018/084112
Publication Date:
June 13, 2019
Filing Date:
April 23, 2018
Export Citation:
Assignee:
UNIV SHANDONG SCIENCE & TECH (CN)
International Classes:
E21C31/02; E21C25/10
Foreign References:
| CN207499869U | 2018-06-15 | |||
| CN107829733A | 2018-03-23 | |||
| CN107905783A | 2018-04-13 | |||
| CN102644461A | 2012-08-22 | |||
| CN204140062U | 2015-02-04 | |||
| CN202031587U | 2011-11-09 | |||
| US20170122106A1 | 2017-05-04 | |||
| GB2161186A | 1986-01-08 |
Attorney, Agent or Firm:
NANJING RUIHONG PATENT & TRADEMARK AGENCY (ORDINARY PARTNERSHIP) (CN)
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