Title:
MONITORING APPARATUS AND METHOD FOR DYNAMIC CONTACT STATE OF MULTI-LAYER WOUND WIRE ROPE AND DRUM IN ULTRA-DEEP WELL
Document Type and Number:
WIPO Patent Application WO/2017/215208
Kind Code:
A1
Abstract:
A monitoring apparatus and method for dynamic contact state of a multi-layer wound wire rope and a drum in an ultra-deep well, the monitoring apparatus comprising a support system, a winding system, a dynamic loading monitoring system, and a stress monitoring system. The winding system comprises an electric motor (10), the electric motor being connected with a main shaft (18) through a speed reducer (12), the main shaft (18) having a flange plate arranged thereon, the flange plate fixed with a double-fold-line drum (16) being sleeved on the main shaft (18), friction discs (15, 17) being fixed at two sides of the double-fold-line drum (16), disc brakes (2, 3, 20, 21) being fixed at one side of the friction discs (15, 17), and at least two layers of a wire rope (4) being wound on a rope groove of the double-fold-line drum (16); the dynamic loading monitoring system comprises a servo electric cylinder (8), a threaded rod of the servo electric cylinder (8) being connected with a wire rope clamp (6) via a S-shaped tension sensor (7), and one end of the wire rope (4) passing through the wire rope clamp (6) and being locked; and the rope groove and a baffle of the double-fold-line drum (16) are provided with U-shaped through grooves (22, 24, 26, 28, 30, 32, 34), strain gages (23, 25, 27, 29, 31, 33, 35) being adhered on inner walls of the U-shaped through grooves (22, 24, 26, 28, 30, 32, 34). The apparatus can monitor the dynamic contact stress of a wire rope on the surface of the double-fold-line drum and on the baffle of the drum in real time.
Inventors:
WANG DAGANG (CN)
WANG XIANGRU (CN)
HOU MENGFAN (CN)
CHAO CHUBEI (CN)
WANG XIANGRU (CN)
HOU MENGFAN (CN)
CHAO CHUBEI (CN)
Application Number:
PCT/CN2016/108882
Publication Date:
December 21, 2017
Filing Date:
December 07, 2016
Export Citation:
Assignee:
UNIV CHINA MINING (CN)
International Classes:
B66D1/28; B66D1/54; B66D1/60; G01N3/08
Foreign References:
| CN105858517A | 2016-08-17 | |||
| CN104261225A | 2015-01-07 | |||
| CN101504348A | 2009-08-12 | |||
| CN105043885A | 2015-11-11 | |||
| CN102175548A | 2011-09-07 | |||
| JP2013064717A | 2013-04-11 |
Attorney, Agent or Firm:
NANJING RUI HONG PATENT AND TRADEMARK OFFICE LLP (CN)
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