Title:
PROTECTION DEVICE OF VERTICAL ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2018/120958
Kind Code:
A1
Abstract:
Provided is a protection device of a vertical elevator, comprising a rack (1), wherein a sliding groove (11) is fixedly connected right in front of the rack (1); one side of the rack (1) is provided with a control box (5); the control box (5) is provided with an emergency stop button (51); an inner side of the rack (1) is provided with a gear shaft (2); a gear (21) is fixedly arranged on the gear shaft (2); the gear (21) is provided with a lifting chain (3); the lifting chain (3) is fixedly connected to a lifting plate (4); and two sides of the lifting plate (4) are provided with a protection device (6). The protection device (6) comprises a connecting arm (61), a pulley (62), a rotating shaft (63), a micro power generator (64), a fixing frame (65), an electromagnetic coil (66), a top plate (67), a round brake disc (68), a brake convex circle (69), a brake block (70), a barb (71), a first fixing shaft (72), a second fixing shaft (73) and an alarm (74). By setting a protection device, when a falling accident occurs, security is improved and loss of life and property is reduced.
Inventors:
ZHAO LI (CN)
Application Number:
PCT/CN2017/104529
Publication Date:
July 05, 2018
Filing Date:
September 29, 2017
Export Citation:
Assignee:
ZHAO LI (CN)
International Classes:
B66B5/18; B65G43/06
Foreign References:
| CN105398907A | 2016-03-16 | |||
| CN206521024U | 2017-09-26 | |||
| CN104192669A | 2014-12-10 | |||
| JP2000198683A | 2000-07-18 | |||
| CA2234530A1 | 1998-10-11 |
Attorney, Agent or Firm:
SHENZHEN QIANNA PATENT AGENCY LTD (CN)
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