LEAD DOOR CURTAIN PROTECTIVE DEVICE FOR DETECTION DEVICE AND METHOD FOR SHIELDING RAYS

Title:

LEAD DOOR CURTAIN PROTECTIVE DEVICE FOR DETECTION DEVICE AND METHOD FOR SHIELDING RAYS

Document Type and Number:

WIPO Patent Application WO/2018/032733

Kind Code:

A1

Abstract:

A lead door curtain protective device (1), comprising at least two lead door curtains (12); a supporting mechanism (16), comprising a working area and a standby area; a first transmission mechanism, used for driving the lead door curtains (12) to move in a detection channel (10); and a second transmission mechanism, used for transferring the lead door curtains (12) between the standby area and the working area. The second transmission mechanism is used for transferring the lead door curtains (12) from the standby area to the working area, so that the lead door curtains drop into a starting end of the detection channel (10), and are located at the rear side of an object to be detected. The first transmission mechanism is used for driving the lead door curtains (12) to synchronously move along with the object to be detected in front of the lead door curtains (12), and moving the lead door curtains (12) from the starting end of the working area to the starting end of the standby area. The second transmission mechanism is further used for driving the lead door curtains (12) to enter the standby area, and moving same in the standby area.

Inventors:

CHEN ZHIQIANG (CN)
ZHANG LI (CN)
HONG MINGZHI (CN)
ZHOU YONG (CN)
LIU YIHONG (CN)

Application Number:

PCT/CN2017/073207

Publication Date:

February 22, 2018

Filing Date:

February 10, 2017

Export Citation:

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Assignee:

NUCTECH CO LTD (CN)

International Classes:

G01N23/10

Domestic Patent References:

WO2011114335A1

2011-09-22

Foreign References:

CN106066337A	2016-11-02
CN206038573U	2017-03-22
CN204028022U	2014-12-17
CN204331058U	2015-05-13
US20130224071A1	2013-08-29

Other References: