Title:
NUCLEAR POWER PLANT PERSONNEL AIRLOCK BUFFERING DEVICE
Document Type and Number:
WIPO Patent Application WO/2020/087639
Kind Code:
A1
Abstract:
A nuclear power plant personnel airlock buffering device, comprising: a chuck structural member (12), fixed on a door frame (20) and comprising an electromagnetic chuck (120) and a chuck base plate (122) which are fixedly connected, sliding plates (124) being provided on the two sides of the chuck base plate (122), the electromagnetic chuck (120) and the chuck base plate (122) connected together being capable of moving up and down along the sliding plates (124), and the electromagnetic chuck (120) being connected to a power supply for controlling the power supply time of the electromagnetic chuck (120); and a suction plate structural member (14), fixed on a door plate (30) and comprising a suction plate (140), a suction plate connecting plate (142), and a door plate connecting plate (144), the suction plate (140) being fixed on the suction plate connecting plate (142), and a first spring (146) being provided between the suction plate connecting plate (142) and the door plate connecting plate (144); a first mandrel (148) penetrates through the interior of the first spring (146); one end of the first mandrel (148) is fixed to the suction plate connecting plate (142), and the other end penetrates through the door plate connecting plate (144), and then the first spring (146) is provided between the suction plate connecting plate (142) and the door plate connecting plate (144) by means of an auxiliary member; the chuck structural member (12) and the suction plate structural member (14) can be attracted to be locked or opened.
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Inventors:
QIN JUNWEI (CN)
XIE HONGHU (CN)
ZHANG FENG (CN)
LI SHILEI (CN)
LIU XIAOHUA (CN)
ZHANG YIHAN (CN)
MA WENQIN (CN)
XIE HONGHU (CN)
ZHANG FENG (CN)
LI SHILEI (CN)
LIU XIAOHUA (CN)
ZHANG YIHAN (CN)
MA WENQIN (CN)
Application Number:
PCT/CN2018/118805
Publication Date:
May 07, 2020
Filing Date:
December 02, 2018
Export Citation:
Assignee:
CHINA NUCLEAR POWER DESIGN COMPANY LTD SHENZHEN (CN)
CHINA NUCLEAR POWER ENG CO LTD (CN)
CHINA GENERAL NUCLEAR POWER GROUP (CN)
CGN POWER CO LTD (CN)
CHINA NUCLEAR POWER ENG CO LTD (CN)
CHINA GENERAL NUCLEAR POWER GROUP (CN)
CGN POWER CO LTD (CN)
International Classes:
E05C19/16; E05F5/02
Foreign References:
| CN2249800Y | 1997-03-19 | |||
| US20170051548A1 | 2017-02-23 | |||
| CN203308275U | 2013-11-27 | |||
| CN107023237A | 2017-08-08 | |||
| EP3179023A1 | 2017-06-14 | |||
| CN106703581A | 2017-05-24 | |||
| CN202559942U | 2012-11-28 |
Other References:
See also references of EP 3875720A4
Attorney, Agent or Firm:
SCIHEAD IP LAW FIRM (CN)
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