Title:
ELEVATOR DEVICE
Document Type and Number:
WIPO Patent Application WO/2021/220349
Kind Code:
A1
Abstract:
Provided is an elevator device capable of suppressing the generation of impact tension on a main cable. This elevator device comprises: a car that is installed so as to be capable of vertical movement inside the hoistway of an elevator; a counterweight that is installed so as to be capable of vertical movement inside the hoistway; a main cable that connects the car and the counterweight; a hoisting machine that applies a driving or braking force to the main cable; a car emergency stopper that is effective against the lowering of the car; a counterweight emergency stopper that is effective against the lowering of the counterweight; and a safety monitoring device that upon detecting an abnormality that would cause a decrease in the tension of the main cable, suppresses the swing back of the car or the counterweight by operating the car emergency stopper or the counterweight emergency stopper.
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Inventors:
KUGIYA TAKUO (JP)
Application Number:
PCT/JP2020/017992
Publication Date:
November 04, 2021
Filing Date:
April 27, 2020
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
International Classes:
B66B5/12; B66B5/16; B66B5/28
Domestic Patent References:
| WO2018092308A1 | 2018-05-24 | |||
| WO2015078859A1 | 2015-06-04 |
Foreign References:
| JP2006513957A | 2006-04-27 | |||
| JPH04251083A | 1992-09-07 | |||
| JP2013112464A | 2013-06-10 |
Attorney, Agent or Firm:
TAKADA, Mamoru et al. (JP)
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