Title:
NUT LOCKING DEVICE AND COMBINED ROLLER WITH SAME
Document Type and Number:
WIPO Patent Application WO/2019/114362
Kind Code:
A1
Abstract:
Disclosed is a nut locking device, comprising a reactive force supporting plate (2) securely sleeved onto a first end of a shaft (1) and a locking nut (3) securely sleeved onto a second end of the shaft, as well as an accessory (4) securely sleeved onto the middle part of the shaft, wherein a first end face of the accessory is securely engaged with an end face of the shaft that is adjacent to the reactive force supporting plate; a second end face of the accessory is securely engaged with a first end face of the locking nut; and a hydraulic driving part (5) for driving the locking nut to lock the accessory is arranged outside the locking nut. Further disclosed is a combined roller having the nut locking device. The combined roll has a high connecting strength and a stable assembly pressure, and is convenient to assemble and disassemble.
Inventors:
TANG ZHIJUN (CN)
FAN MING (CN)
TU YONGNING (CN)
CAO JI (CN)
CUI LIANGLIANG (CN)
PENG WEN (CN)
YAO MANPING (CN)
XIE YING (CN)
FAN MING (CN)
TU YONGNING (CN)
CAO JI (CN)
CUI LIANGLIANG (CN)
PENG WEN (CN)
YAO MANPING (CN)
XIE YING (CN)
Application Number:
PCT/CN2018/107042
Publication Date:
June 20, 2019
Filing Date:
September 21, 2018
Export Citation:
Assignee:
ZHUZHOU CEMENTED CARBIDE GROUP CORP LTD (CN)
International Classes:
B21B27/03
Foreign References:
| CN207606103U | 2018-07-13 | |||
| CN107999541A | 2018-05-08 | |||
| CN2621844Y | 2004-06-30 | |||
| CN102847716A | 2013-01-02 | |||
| CN102205347A | 2011-10-05 | |||
| CN2776584Y | 2006-05-03 | |||
| CN103394512A | 2013-11-20 | |||
| JP2002153904A | 2002-05-28 | |||
| US5735788A | 1998-04-07 |
Attorney, Agent or Firm:
YUHONG INTELLECTUAL PROPERTY LAW FIRM (CN)
Download PDF: