Title:
BAND-TYPE BRAKE DEVICE, ROBOT JOINT, AND COLLABORATIVE ROBOT
Document Type and Number:
WIPO Patent Application WO/2021/062697
Kind Code:
A1
Abstract:
Disclosed are a band-type brake device (100), a robot joint (600), and a collaborative robot (700). The band-type brake device (100) comprises: a piezoceramic stack (102), which is arranged extending in the direction of a first axis (XX'), wherein the piezoceramic stack is provided with a first end (1022) and a second end (1024) in the direction of the first axis (XX'), the first end (1022) and the second end (1024) of the piezoceramic stack (102) extend outwards in the direction of the first axis (XX') when the band-type brake device (100) is in an electrified state, and the first end (1022) and the second end (1024) contract inwards when power failure occurs; a displacement adjuster (104), which is arranged around the piezoceramic stack (102), and comprises a first input end (1042) and a second input end (1044) in the direction of the first axis (XX'), and a first output end (1046) and a second output end (1048) in the direction of a second axis (YY') perpendicular to the first axis (XX'); and at least one friction component (106), wherein the first end (1022) and the second end (1024) of the piezoceramic stack (102) abut against the first input end (1042) and the second input end (1044) respectively, at least one of the first output end (1046) and the second output end (1048) is connected to the friction component (106), or at least one of the first output end (1046) and the second output end (1048) is integrally formed with the friction component (106).
Inventors:
ZHANG SHENG (CN)
ZHOU WEN JUAN (CN)
JIANG CHAO (CN)
YANG YONG (CN)
LIU XIAO KUAN (CN)
ZHOU WEN JUAN (CN)
JIANG CHAO (CN)
YANG YONG (CN)
LIU XIAO KUAN (CN)
Application Number:
PCT/CN2019/109591
Publication Date:
April 08, 2021
Filing Date:
September 30, 2019
Export Citation:
Assignee:
SIEMENS LTD CHINA (CN)
International Classes:
H02N2/04; H02K7/102
Foreign References:
| CN110224633A | 2019-09-10 | |||
| CN110224633A | 2019-09-10 | |||
| CN102684375A | 2012-09-19 | |||
| CN109039150A | 2018-12-18 | |||
| CN110289785A | 2019-09-27 | |||
| CN110289785A | 2019-09-27 | |||
| CN108381516A | 2018-08-10 | |||
| US20110175489A1 | 2011-07-21 | |||
| US20060191753A1 | 2006-08-31 |
Other References:
See also references of EP 4020787A4
Attorney, Agent or Firm:
KANGXIN PARTNERS, P.C. (CN)
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