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Title:
OVERLOAD WARNING APPARATUS FOR ELEVATOR
Document Type and Number:
WIPO Patent Application WO/2019/148808
Kind Code:
A1
Abstract:
An overload warning apparatus for an elevator, comprising a base (1). The middle of the upper surface of the base (1) is provided with a pressure sensor (3). A bearing mechanism (5) is fixedly connected to the upper surface of the pressure sensor (3) by means of high pressure springs (4). The bearing mechanism (5) comprises a lower base plate (51), an upper pressure plate (52), a housing (53), an enhanced protective layer (54), a porous separator (55), and buffering sponge (56). The lower base plate (51) is fixedly connected to the upper pressure plate (52) by means of the housing (53). The bottom end of the inner wall of the housing (53) is provided with the enhanced protective layer (54). The middle of the inner wall of the housing (53) is provided with the porous separator (55). The upper surface of the porous separator (55) is provided with the buffering sponge (56). The middle of the right side of the upper surface of the bearing mechanism (5) is provided with a buzzer (6). The overload warning apparatus for an elevator has high measurement accuracy and high safety performance.

Inventors:
PING LIZHONG (CN)
Application Number:
PCT/CN2018/101048
Publication Date:
August 08, 2019
Filing Date:
August 17, 2018
Export Citation:
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Assignee:
WUJIANG JUNDA ELEVATOR PARTS CO LTD (CN)
International Classes:
B66B5/14; F16F15/04
Foreign References:
CN108100803A2018-06-01
CN207890848U2018-09-21
CN106829679A2017-06-13
CN203740816U2014-07-30
CN204569053U2015-08-19
Attorney, Agent or Firm:
CHANGZHOU ZIRRON PATENT OFFICE (GENERAL PARTNERSHIP) (CN)
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