Sudden stop device of water gate winch type hoist

By introducing the combination of left and right L-shaped crimp arms, anti-loose pulleys, anti-loose counterweights and emergency stop control modules into the sluice winch-type opening and closing machine, the emergency stop problem is solved when the gate exceeds the limit position, ensuring the safe operation of the opening and closing machine, and avoiding accidents.

CN120401428APending Publication Date: 2025-08-01上海市浦东新区水闸管理事务中心
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Patent Information

Application Number
CN202510507962.4
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-04-22
Publication Date
2025-08-01

AI Technical Summary

Technical Problem

When the stroke limit device of the existing sluice winch type opener and shutter fails, it may cause the gate to rush the top or the wire rope to be too loose, resulting in accidents and lack of an effective emergency stop protection mechanism.

Method used

An emergency stop device including left and right L-shaped crimp arms, anti-loose pulleys, anti-loose counterweight block assembly, ultra-high hammer assembly and emergency stop control module is designed. The emergency stop control module is triggered through the ultra-high hammer assembly and anti-loose counterweight block assembly, and the emergency stop signal is sent to the control system to ensure that the gate stops running when it is in the limit position.

Benefits of technology

It effectively avoids the top bump or wire rope over-loosening accident caused by the gate exceeding the limit position, and ensures the safe operation of the helicopter-type planar steel gates controlled by the winch opening and closing machine.

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Abstract

The invention discloses a sudden stop device for a gate winch type hoist, which comprises a left L-shaped crank arm and a right L-shaped crank arm which are symmetrically arranged, one ends of the left L-shaped crank arm and the right L-shaped crank arm are hinged on a top balance pulley of the gate winch type hoist, and the other ends of the left L-shaped crank arm and the right L-shaped crank arm are connected through a connecting cross rod; the anti-loose pulley is axially arranged between the left L-shaped crank arm and the right L-shaped crank arm, is positioned at the corner of the left L-shaped crank arm and the right L-shaped crank arm and is supported on a steel wire rope of the gate winch type hoist; the anti-loose balancing weight assembly is hung on the connecting cross rod; the ultrahigh hammer block assembly sleeves the steel wire rope in a sliding manner; and the emergency stop control module is fixedly arranged between the left L-shaped crank arm and the right L-shaped crank arm, is connected with the ultrahigh hammer block assembly and is connected with a control system of the gate winch type hoist. When the gate exceeds the normal stroke range in the ascending or descending opening and closing process, the emergency stop signal is generated and sent to a control system of the gate winch type hoist, the gate is controlled to stop opening and closing, accidents are avoided, and it is ensured that the winch type hoist controls the vertical lifting type plane steel gate to operate safely.
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