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Patent Searching and Data


Title:
SMART MANAGEMENT DEVICE FOR HAND-CRANK TOOL OF SWITCH MACHINE
Document Type and Number:
WIPO Patent Application WO/2023/272810
Kind Code:
A1
Abstract:
Disclosed in the present invention is a smart management device for a hand-crank tool of a switch machine. The smart management device comprises a bottom plate; a base is arranged at the left end of the top of the bottom plate; a static contact frame is arranged on the rear side of the base; a static contact set is arranged at the top of the static contact frame; movable contact frames are arranged above the front side of the top of the base at intervals; a movable contact set is arranged at the top of the movable contact frames; base vertical plates on the left and right sides of the top of the base are connected to vertical plates on the left and right sides of the movable contact frames by means of a linkage shaft; an upper end cover and a lower end cover are respectively arranged on portions of the bottom plate that are located on the left and right sides of the base; the left and right sides of the lower portion of the lower end cover are respectively connected to the right side of an identification sleeve and the left side of a guide pipe; and a hand-crank handle transversely penetrates the guide pipe and the identification sleeve from right to left, and is then inserted into the linkage shaft. The present invention can serve as a daily accommodation box for a hand-crank tool of a switch machine, and facilitates management; and after the hand-crank handle is taken out by someone, a circuit is automatically cut off, thereby further improving the safety of manually switching a switch.

Inventors:
ZHANG MINGZHAO (CN)
LI WANGLONG (CN)
PIAO SHENGBIN (CN)
ZHANG ZHIMING (CN)
ZHANG HUI (CN)
GUO JINGUI (CN)
LI BIN (CN)
ZHANG ZHEN (CN)
CHEN FUBIN (CN)
LI QIANWEN (CN)
LIU CHANG (CN)
Application Number:
PCT/CN2021/107342
Publication Date:
January 05, 2023
Filing Date:
July 20, 2021
Export Citation:
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Assignee:
TIANJIN RAILWAY SIGNAL CO LTD (CN)
CRSC XI AN RAIL TRANSIT IND GROUP CO LTD (CN)
International Classes:
B61L5/06
Foreign References:
CN212867193U2021-04-02
CN213442569U2021-06-15
CN210149345U2020-03-17
CN107878502A2018-04-06
DE102013009118A12013-12-19
Attorney, Agent or Firm:
BEIJING IPLING INTELLECTUAL PROPERTY LAW FIRM (CN)
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