Title:
INSPECTION SYSTEM AND INSPECTION METHOD FOR ELEVATOR EMERGENCY STOP DEVICE
Document Type and Number:
Japanese Patent JP2010001083
Kind Code:
A
Abstract:
To easily and safely execute inspection of an elevator emergency stop device for generating emergency stop action instruction by a speed signal from a speed sensor installed on a car in a short time.
A car speed detection device 6 is installed on the car 1, and the car is stopped at an upper end position by a limit switch 10 provided on an upper part of a hoistway 3. A circular disk 13 is installed at the hoistway side so as to be adjusted to a height position of the car speed detection device 6 at that time, and the circular disk 13 is rotated to give a false speed. Thereby, action of the emergency stop device is inspected.
Inventors:
HAGIWARA TAKAYUKI
ARAKAWA ATSUSHI
HAYANO TOMIO
OKAMURA KIYOSHI
ARAKAWA ATSUSHI
HAYANO TOMIO
OKAMURA KIYOSHI
Application Number:
JP2008158575A
Publication Date:
January 07, 2010
Filing Date:
June 18, 2008
Export Citation:
Assignee:
HITACHI LTD
International Classes:
B66B5/00; B66B5/06
Domestic Patent References:
| JP2006273456A | 2006-10-12 |
Foreign References:
| WO1999043588A1 | 1999-09-02 | |||
| WO2006103768A1 | 2006-10-05 |
Attorney, Agent or Firm:
Polaire Patent Business Corporation
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