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Title:
ABNORMALITY DETECTING DEVICE AND ABNORMALITY DETECTING METHOD FOR SAFETY DEVICE OF PASSENGER CONVEYOR
Document Type and Number:
Japanese Patent JP2017114601
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide an abnormality detecting device and an abnormality detecting method for a safety device of a passenger conveyor, which can inspect and adjust a position of a safety switch without detaching a driving chain from a sprocket and inspect an operation state of a link mechanism.SOLUTION: An abnormality detecting device 16 for a safety device detects an abnormal state of the safety device of a passenger conveyor 100, and the abnormality detecting device 16 for a safety device comprises: an insertion portion 19 which is inserted into insertion holes 34 and 36 as link supporting points of a link mechanism 30 and temporarily fastens the link mechanism 30; a bolt head 18 arranged at one end of the insertion portion 19; and a link stopper portion 17 provided in the bolt head 18. The link stopper portion 17 has a sectorial-column shape, where a center angle of the sectorial column shape is less than 180 degrees, and a corner part 17A contacts a driving chain 4 according to depths at which the insertion portion 19 is inserted into the insertion holes 34 and 36.SELECTED DRAWING: Figure 9

Inventors:
TAKAHASHI TOSHIAKI
ASAKA MASAYA
KURIBAYASHI JUNICHI
SATO HIDEO
SARUTA NAOTO
KURIHARA SUSUMU
GUNJI KAZUHIRO
Application Number:
JP2015249815A
Publication Date:
June 29, 2017
Filing Date:
December 22, 2015
Export Citation:
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Assignee:
HITACHI BUILDING SYST CO LTD
International Classes:
B66B29/00
Domestic Patent References:
JP2000169068A2000-06-20
JPH06329380A1994-11-29
JP2015218017A2015-12-07
Foreign References:
US20130112526A12013-05-09
Attorney, Agent or Firm:
Shinji Oga
Hiroyuki Hyakumoto



 
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