LINEAR DRIVING APPARATUS, SAFETY GEAR APPARATUS, AND METHOD FOR CONTROLLING ELEVATOR SYSTEM

Title:

LINEAR DRIVING APPARATUS, SAFETY GEAR APPARATUS, AND METHOD FOR CONTROLLING ELEVATOR SYSTEM

Document Type and Number:

WIPO Patent Application WO/2020/134225

Kind Code:

A1

Abstract:

Disclosed are a linear driving apparatus, a safety gear apparatus, and an elevator system and a method for controlling same. The linear driving apparatus comprises a magnetically conductive device (10) and a magnet (30), wherein the magnetically conductive device (10) comprises at least a first side portion (101) and a second side portion (102), and is provided with an enclosed magnetic cavity (33); the magnet (30) is located between the first side portion (101) and the second side portion (102) and comprises at least a first end (31) and a second end (32), where the magnetic pole directions of the two ends are opposite, and the first end (31) and the second end (32) correspond to the first side portion (101) and the second side portion (102) respectively; the magnetically conductive device (10) is provided with a winding coil (22), and in the magnetic cavity (33), the winding direction of the winding coil is perpendicular to the direction from the first end (31) to the second end (32) of the magnet (30); and the magnetically conductive device (10) movably fits the magnet (30).

Inventors:

LIU YINGHUI (CN)

Application Number:

PCT/CN2019/107046

Publication Date:

July 02, 2020

Filing Date:

September 20, 2019

Export Citation:

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Assignee:

LIU YINGHUI (CN)

International Classes:

B66B5/04; B61H7/08; B66B5/26

Domestic Patent References:

WO2012011903A1

2012-01-26

Foreign References:

CN104742931A	2015-07-01
CN209507358U	2019-10-18
CN109516336A	2019-03-26
CN206407780U	2017-08-15
CN106276673A	2017-01-04
CN206236504U	2017-06-09
JP6417864B2	2018-11-07
CN201811653563A	2018-12-29

Other References: