RAILROAD CROSSING BLOCKAGE MACHINE

Japanese Patent JP2017039470

A

PROBLEM TO BE SOLVED: To provide a railroad crossing blockage machine which allows a person (including person with his/her wheel) who is shut in a railroad crossing, when a blockage rod is dropped since a train is approaching, or a user of an electric wheelchair, to lift up the blockage rod without applying special large force and exit outside, and which cannot be easily lifted from outside.SOLUTION: A railroad crossing blockage machine comprises: a lifting machine E including a blockage rod 2 disposed on a railroad crossing 1 and is operated to be open and close, and a drive device 3 for supplying motive force for performing opening/closing operations of the blockage rod 2; a person sensing sensor S for detecting whether or not there is a person in the railroad crossing 1; a clutch mechanism for blocking motive force transmission from the drive device 3; and control means for controlling the clutch mechanism on the basis of a detection signal of the person sensing sensor S. The control means blocks motive power transmission when the blockage rod 2 is in the closed state, and the person sensing sensor S detects existence of a person in a detection area 4 in the railroad crossing 1.SELECTED DRAWING: Figure 1

JPH0723683

[Name of invention] Breaker abnormality detection device

INOUE TAKAFUMI
FUJITA HIROYOSHI

JP2015164101A

February 23, 2017

August 21, 2015

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RAILWAY TECHNICAL RES INST

B61L29/04

JP2000280909A	2000-10-10
JP2012141796A	2012-07-26
JPH10167073A	1998-06-23
JP2009199257A	2009-09-03
JP2007010681A	2007-01-18
JP2008221961A	2008-09-25
JP2008213721A	2008-09-18

US6267332B1

2001-07-31

Masatake Shiga
Tadashi Takahashi
Suzuki Mitsuyoshi
Yasuhiko Murayama

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