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Patent Searching and Data


Title:
DAMPER ENABLING STRUCTURE TO BE SELF-CENTERING
Document Type and Number:
WIPO Patent Application WO/2019/137012
Kind Code:
A1
Abstract:
Disclosed is a damper enabling a structure to be self-centering. The damper comprises an oil cylinder (1), an outer cylinder (2), an inner oil cylinder cap (3) and an outer oil cylinder cap (7) respectively provided at two ends of the oil cylinder (1), a piston rod (5) passing through the oil cylinder (1), and a piston (4) provided on the piston rod (5), wherein one end of the oil cylinder (1) provided with the inner oil cylinder cap (3) is embedded at one end of the outer cylinder (2), and the other end of the outer cylinder (2) is provided with an outer cylinder cap (14); one end of the piston rod (5) is provided with a piston rod nut (11) embedded in the outer cylinder (2), a first limiting plate (9) and a second limiting plate (12) separately provided at two sides of the piston rod nut (11), a first limiting pin (10) mounted on the first limiting plate (9), and a second limiting pin (15) mounted on the second limiting plate (12); a first spring unit (8) is provided between the inner oil cylinder cap (3) and the first limiting plate (9), and a second spring unit (13) is provided between the outer cylinder cap (14) and the second limiting plate (12); and the outer cylinder (2) is provided with a groove (16), and the first limiting pin (10) and the second limiting pin (15) are both embedded in the groove (16) and can move axially therein along the outer cylinder (2). The damper has a good energy dissipation capability, and can enable a structure to fully and automatically reset.

Inventors:
GUO TONG (CN)
ZHU RUIZHAO (CN)
Application Number:
PCT/CN2018/102179
Publication Date:
July 18, 2019
Filing Date:
August 24, 2018
Export Citation:
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Assignee:
UNIV SOUTHEAST (CN)
International Classes:
F16F15/023; E04B1/98
Foreign References:
CN108222307A2018-06-29
CN104154160A2014-11-19
CN105350679A2016-02-24
CN107448044A2017-12-08
CN101942868A2011-01-12
JP2004204458A2004-07-22
Attorney, Agent or Firm:
NANJING SUGAO PATENT AND TRADEMARK FIRM ( ORDINARY PARTNERSHIP ) (CN)
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