CN-224199864-U - Emergency stop device of sluice winch hoist

CN224199864UCN 224199864 UCN224199864 UCN 224199864UCN-224199864-U

Abstract

The utility model discloses an emergency stop device of a sluice winch hoist, which comprises left and right L-shaped crank arms which are symmetrically arranged, wherein one end of each L-shaped crank arm is hinged to a top balance pulley of the sluice winch hoist, the other end of each L-shaped crank arm is connected through a connecting cross rod, a locking pulley which is arranged between the left and right L-shaped crank arms, is positioned at the corners of the left and right L-shaped crank arms and is supported on a steel wire rope of the sluice winch hoist, a locking balancing weight component hung on the connecting cross rod, an ultrahigh hammer block component which is sleeved on the steel wire rope in a sliding manner, and an emergency stop control module which is fixedly arranged between the left and right L-shaped crank arms, is connected with the ultrahigh hammer block component and is connected with a control system of the sluice winch hoist. When the gate exceeds the normal travel range in the ascending or descending opening and closing process, the utility model can generate an emergency stop signal to send the control system of the gate hoisting type opening and closing machine to control the gate to stop opening and closing, thereby avoiding accidents and ensuring the operation safety of the hoisting type opening and closing machine for controlling the vertical plane steel gate.

Inventors

Chu Zhenzhou
ZHOU LI
YE CHUNHUI
CHEN YI
Qian Yaowei
JIN YUBIN
DAI HAIXIANG
MA XIAOYUAN
JIANG GUOFEN
HUA DONG
Fan Zixing
GONG JIACHEN
ZHANG YIFAN
XU JIAN

Assignees

上海市浦东新区水闸管理事务中心

Dates

Publication Date: 20260505
Application Date: 20250422

Claims (7)

1. The utility model provides a sluice hoist formula headstock gear scram device which characterized in that includes: the left and right L-shaped crank arms are symmetrically arranged, one ends of the left and right L-shaped crank arms are hinged to the top balance pulleys of the gate winch hoist, and the other ends of the left and right L-shaped crank arms are connected through a connecting cross rod; The anti-loosening pulley is axially arranged between the left L-shaped crank arm and the right L-shaped crank arm, is positioned at the corners 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 hoist; the anti-loosening balancing weight component is hung on the connecting cross rod; an ultra-high hammer block assembly slidably sleeved on the steel wire rope, 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 hoist; When the gate rises to the full-open position and exceeds the highest operation limit, the ultrahigh hammer block assembly is jacked up by the movable pulley block of the gate hoist, and the emergency stop control module is triggered to generate an emergency stop signal and send the emergency stop signal to the control system of the gate hoist, so that the gate stops rising; When the gate descends to the fully closed position and exceeds the lowest operation limit or the gate locking device cannot be completely released to cause excessive loosening of the steel wire rope, the anti-loose balancing weight assembly drives the left and right L-shaped crank arms to rotate around the hinge points of the left and right L-shaped crank arms and triggers the scram control module to generate scram signals to be sent to a control system of the gate winch hoist, so that the gate stops descending.
2. The water gate hoist scram device as claimed in claim 1, wherein the scram control module comprises: the upper end and the lower end of the outer sleeve are detachably provided with an upper end cover and a lower end cover; A cylindrical base fixedly arranged on the lower end cover of the outer sleeve and penetrating through the lower end cover; an inner sleeve disposed on the cylindrical base and located within the outer sleeve; The upper end of the push rod extends out of the upper end of the cylindrical base, and the lower end of the push rod extends out of the lower end of the cylindrical base and is connected with the ultrahigh hammer block assembly through a steel wire inhaul cable; The spring is sleeved on the outer peripheral surface of the cylindrical base and is positioned in the inner sleeve, the upper end of the spring is propped against the upper end of the push rod, and the lower end of the spring is propped against the cylindrical base; A movable sleeve disposed on the upper end of the push rod and within the inner sleeve and coaxially disposed with the inner sleeve; At least one steel ball placed in the movable sleeve and And the micro travel switch is arranged in the outer sleeve, is close to the upper end of the inner sleeve and is connected with a control system of the gate winch hoist.
3. The emergency stop device of the sluice winch hoist of claim 2, wherein the number of the steel balls is two.
4. The emergency stop device for the sluice winch hoist according to claim 2, wherein an annular limiting protrusion is formed in the middle of the cylindrical base, an external thread is formed on the outer cylinder surface of the portion, located outside the lower end cover, of the cylindrical base, and when the emergency stop device is installed, the cylindrical base is placed into the outer cylinder through the upper end of the outer sleeve, the lower half portion of the cylindrical base penetrates through the through hole formed in the lower end cover, so that the annular limiting protrusion of the cylindrical base abuts against the inner side surface of the lower end cover, and then the annular limiting protrusion is screwed into the external thread of the cylindrical base through a fastening nut to be screwed.
5. The emergency stop device of the sluice hoist as claimed in claim 2, wherein the upper and lower end caps are screw-mounted to the upper and lower ends of the outer sleeve.
6. The emergency stop device of the sluice hoist of claim 1, wherein the loose-weight assembly includes: the hanging ring is formed at the upper end of the hanging rod, and the hanging rod is hung on the connecting cross rod through the hanging ring; a plurality of anti-loose balancing weights sleeved on the suspender in a stacking manner and An end nut screwed on the lower end of the boom.
7. The water gate hoist scram device as claimed in claim 1, wherein said ultra-high hammer block assembly comprises: an ultra-high hammer block sleeved on the steel wire rope in a sliding way and The ultrahigh hammer block connecting plate is sleeved on the steel wire rope in a sliding manner and connected with the ultrahigh hammer block, and the ultrahigh hammer block connecting plate is connected with the scram control module through a steel wire inhaul cable.

Description

Emergency stop device of sluice winch hoist Technical Field The utility model relates to the technical field of sluice hoist, in particular to an emergency stop device of a sluice hoist. Background The sluice winch type hoist is a special hoist for controlling a vertical plane steel gate, and is mainly used for controlling the flow of water level and water flow. Existing sluice winches are typically equipped with travel limit means for controlling the highest and lowest opening of the sluice and the sluice full opening (sluice lock). If the existing travel limiting device fails during the opening or closing process of the gate, the gate is opened and ascended, the top-punching accident occurs when the gate exceeds the upper limit position, the gate is closed and descends, the gate locking device cannot be completely released when the gate exceeds the lower limit position, the gate is overturned by loosening the steel wire rope when the gate is not stopped, and the gate is lifted again or the steel wire rope is pulled off after being abnormally hooked on the frame, so that the accident occurs. To this end, the present inventors have found a method for solving the above-mentioned problems through beneficial studies and studies, and the technical solutions to be described below are made in this context. Disclosure of utility model The utility model aims to solve the technical problem of providing a water gate winch hoist emergency stop device aiming at the defects of the prior art, and when the overtravel position of a gate or the overtravel of a steel wire rope is detected, the emergency stop of the gate is controlled, so that the operation safety of the winch hoist for controlling the vertical plane steel gate is ensured. The technical problems to be solved by the utility model can be realized by adopting the following technical scheme: An emergency stop device of a sluice winch hoist, comprising: the left and right L-shaped crank arms are symmetrically arranged, one ends of the left and right L-shaped crank arms are hinged to the top balance pulleys of the gate winch hoist, and the other ends of the left and right L-shaped crank arms are connected through a connecting cross rod; The anti-loosening pulley is axially arranged between the left L-shaped crank arm and the right L-shaped crank arm, is positioned at the corners 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 hoist; the anti-loosening balancing weight component is hung on the connecting cross rod; an ultra-high hammer block assembly slidably sleeved on the steel wire rope, 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 hoist; When the gate rises to the full-open position and exceeds the highest operation limit, the ultrahigh hammer block assembly is jacked up by the movable pulley block of the gate hoist, and the emergency stop control module is triggered to generate an emergency stop signal and send the emergency stop signal to the control system of the gate hoist, so that the gate stops rising; When the gate descends to the fully closed position and exceeds the lowest operation limit or the gate locking device cannot be completely released to cause excessive loosening of the steel wire rope, the anti-loose balancing weight assembly drives the left and right L-shaped crank arms to rotate around the hinge points of the left and right L-shaped crank arms and triggers the scram control module to generate scram signals to be sent to a control system of the gate winch hoist, so that the gate stops descending. In a preferred embodiment of the present utility model, the scram control module includes: the upper end and the lower end of the outer sleeve are detachably provided with an upper end cover and a lower end cover; A cylindrical base fixedly arranged on the lower end cover of the outer sleeve and penetrating through the lower end cover; an inner sleeve disposed on the cylindrical base and located within the outer sleeve; The upper end of the push rod extends out of the upper end of the cylindrical base, and the lower end of the push rod extends out of the lower end of the cylindrical base and is connected with the ultrahigh hammer block assembly through a steel wire inhaul cable; The spring is sleeved on the outer peripheral surface of the cylindrical base and is positioned in the inner sleeve, the upper end of the spring is propped against the upper end of the push rod, and the lower end of the spring is propped against the cylindrical base; A movable sleeve disposed on the upper end of the push rod and within the inner sleeve and coaxially disposed with the inner sleeve; At least one steel ball placed in the movable sleeve and And the micro travel switch is arranged in the outer sleeve,