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Title:
DUPLEX OIL CYLINDER, CROSSBEAM OPENING AND CLOSING DEVICE, CROSSBEAM OPENING AND CLOSING METHOD, AND CROSSBEAM OPENING AND CLOSING CONTROL SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/015109
Kind Code:
A1
Abstract:
The present invention belongs to the field of mechanical apparatuses, and provides a duplex oil cylinder, a crossbeam opening and closing device, a crossbeam opening and closing method, and a crossbeam opening and closing control system. The duplex oil cylinder (100) comprises a first oil cylinder (10), a second oil cylinder (20), and a connecting pipe (30). The first oil cylinder is provided with a first rod cavity (14) and a first rodless cavity (15) which are isolated from each other; the first oil cylinder is provided with a first liquid inlet (16) and a first liquid outlet (17); the first liquid inlet is communicated with the first rod cavity; and the first liquid outlet is communicated with the first rodless cavity. The second oil cylinder is provided with a second rod cavity (21) and a second rodless cavity (22) which are isolated from each other; the second oil cylinder is provided with a second liquid inlet (23) and a second liquid outlet (24); the second liquid inlet is communicated with the second rodless cavity; and the second liquid outlet is communicated with the second rod cavity. The first liquid outlet is communicated with the second liquid inlet by means of the connecting pipe. The first oil cylinder and the second oil cylinder are connected in series by means of the connecting pipe; the distance between the first oil cylinder and the second oil cylinder can be changed by changing the length of the connecting pipe, so that the distance between acting points at two ends of the whole device is changed, and the serviceable range of the device is extended.

Inventors:
SHU, Dongfang (No. 333 Nanxiang West Road, Dafeng Economic Development ZoneYancheng, Jiangsu 0, 224100, CN)
SHI, Feng (No. 333 Nanxiang West Road, Dafeng Economic Development ZoneYancheng, Jiangsu 0, 224100, CN)
HAN, Boqun (No. 333 Nanxiang West Road, Dafeng Economic Development ZoneYancheng, Jiangsu 0, 224100, CN)
JIANG, Xin (No. 333 Nanxiang West Road, Dafeng Economic Development ZoneYancheng, Jiangsu 0, 224100, CN)
Application Number:
CN2017/103753
Publication Date:
January 24, 2019
Filing Date:
September 27, 2017
Export Citation:
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Assignee:
JIANGSU FENGDONG THERMAL TECHNOLOGY CO., LTD. (No. 333 Nanxiang West Road, Dafeng Economic Development ZoneYancheng, Jiangsu 0, 224100, CN)
International Classes:
F15B15/14; F15B21/00
Foreign References:
CN107131176A2017-09-05
CN107191430A2017-09-22
CN102330715A2012-01-25
CN203176045U2013-09-04
CN200989342Y2007-12-12
CN102359372A2012-02-22
CN206257376U2017-06-16
US20070131105A12007-06-14
Attorney, Agent or Firm:
CHOFN INTELLECTUAL PROPERTY (Room 1215-1218, Floor 12Left Bank Community No.68 Beisihuanxilu, Haidian District, Beijing 0, 100080, CN)
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