CN-224200362-U - Anti-collision safety guardrail for coke oven maintenance platform

CN224200362UCN 224200362 UCN224200362 UCN 224200362UCN-224200362-U

Abstract

The utility model discloses an anti-collision safety barrier for a coke oven maintenance platform, which comprises a lifting barrier component and an anti-collision component, wherein the anti-collision component comprises a laser range finder arranged on the maintenance platform, a displacement sensor arranged on the lifting barrier component, a PLC (programmable logic controller) and an alarm, wherein signal output ends of the laser range finder and the displacement sensor are respectively connected with signal input ends of the PLC, and signal output ends of the PLC are respectively connected with signal input ends of the alarm and a driving device of a coke pusher. The device has the advantages that the distance between the coke pushing vehicle and the overhaul platform and the lifting state of the guardrail are detected through the laser range finder and the displacement sensor respectively, when the states of the coke pushing vehicle and the guardrail are not matched, the PLC triggers the alarm to timely send out an alarm, reminds a worker to check, controls the start and stop of the coke pushing vehicle, and ensures that the safety guardrail cannot be damaged due to collision with the coke pushing vehicle while avoiding safety accidents.

Inventors

CAO YONGLI
CHENG SHUAI
WU PENGFEI
ZHANG JING

Assignees

内蒙古承锋科技有限责任公司

Dates

Publication Date: 20260505
Application Date: 20250507

Claims (9)

1. The anti-collision safety guardrail for the coke oven overhaul platform is characterized by comprising a lifting guardrail assembly and an anti-collision assembly; The anti-collision assembly comprises a laser range finder arranged on the maintenance platform, a displacement sensor arranged on the lifting guardrail assembly, a PLC (programmable logic controller) and an alarm, wherein signal output ends of the laser range finder and the displacement sensor are connected with signal input ends of the PLC, and signal output ends of the PLC are respectively connected with signal input ends of the alarm and a driving device of the coke pusher.
2. The coke oven maintenance platform anti-collision safety barrier according to claim 1, wherein the anti-collision assembly further comprises a camera arranged on the coke pusher and a display arranged in the control room, a signal output end of the camera is in signal connection with a signal input end of the PLC controller, and a signal output end of the PLC controller is in signal connection with a signal input end of the display.
3. The coke oven maintenance platform anti-collision safety barrier according to claim 1, wherein the lifting barrier assembly comprises a rail and at least one group of barrier assemblies, wherein the rail is fixed on a coke pusher and comprises a descending rail, a horizontal rail and a lifting rail which are sequentially connected; Each group of guardrail components comprises a vertical slideway fixed on the side wall below the overhaul platform and guardrails arranged in the vertical slideway in a sliding manner; An upper sliding block and a lower sliding block are respectively arranged in the vertical slideway in a sliding way from top to bottom, and the upper sliding block is connected with the lower sliding block through a connecting component; the wheel shaft of the roller matched with the track is fixedly arranged on the lower sliding block; The top of the middle vertical pole that vertically sets up with guardrail fixed connection, the bottom of middle vertical pole with go up sliding block fixed connection.
4. A coke oven maintenance platform crash barrier according to claim 3 wherein the length of the horizontal rail is not less than the length of the cart.
5. A coke oven maintenance platform crash-proof safety barrier according to claim 3 wherein the free ends of the lowering rail and lifting rail are both open structures.
6. A coke oven maintenance platform anti-collision safety barrier according to claim 3, wherein the connecting assembly comprises a connecting rod, and two ends of the connecting rod are fixedly connected with the upper sliding block and the lower sliding block respectively.
7. The coke oven maintenance platform anti-collision safety barrier according to claim 6, wherein the connecting assembly further comprises a self-locking assembly, the self-locking assembly comprises a hinged frame and a tension spring, the hinged frame comprises four connecting rods which are sequentially hinged, and the hinged frame is of an axisymmetric structure about the vertical direction; The top of connecting rod with go up slider fixed connection, the bottom of connecting rod with the pin joint on articulated frame top is connected, the pin joint on articulated frame bottom with lower slider is connected.
8. The anti-collision safety guardrail for the coke oven overhaul platform, which is disclosed in claim 7, is characterized in that two limiting grooves are symmetrically arranged on two opposite inner walls of the vertical slideway, the longitudinal section of each limiting groove is in an isosceles triangle shape, the bottom edge of each isosceles triangle is parallel to the length direction of the vertical slideway, and two hinging points in the middle of the hinging frame are respectively arranged in the two limiting grooves in a sliding manner.
9. The coke oven maintenance platform anti-collision safety barrier according to claim 3, wherein the displacement sensor is a pull rope displacement sensor, the pull rope displacement sensor is arranged at the bottom end of the vertical slideway, and a pull rope fixer connected with a pull rope of the pull rope displacement sensor is arranged on the middle vertical rod.

Description

Anti-collision safety guardrail for coke oven maintenance platform Technical field: The utility model relates to a safety barrier, in particular to an anti-collision safety barrier for a coke oven overhaul platform. The background technology is as follows: In the daily maintenance operation of coke ovens, the maintenance platform is used as an operation place of workers, and the safety barrier is an important facility for guaranteeing the safety of the workers and has the main function of preventing the workers from falling accidentally and playing a certain role in protecting and isolating past equipment and tools. At present, most of safety guardrails used on a coke oven maintenance platform are of fixed structures, and the guardrails mainly focus on falling protection personnel in design, so that a plurality of defects exist in the aspect of coping with collision and impact. The coke oven overhauling site environment is complex, large overhauling equipment moves frequently, and the condition that the equipment collides with a guardrail happens in the operation process. The existing fixed guardrail cannot effectively buffer impact force when being impacted, deformation and damage of the guardrail are easy to cause, loosening and collapse of the whole structure of the guardrail are even caused, maintenance cost is increased, and life safety of maintenance personnel is more seriously threatened. In addition, after collision occurs, the traditional guardrail lacks obvious warning marks, is difficult to quickly draw attention of operators, and cannot take effective countermeasures in time, so that secondary accidents can be possibly caused. Therefore, there is a need to develop a safety barrier for a coke oven maintenance platform, which can effectively prevent collision and has a collision early warning function, so as to improve the safety of the coke oven maintenance operation. The utility model comprises the following steps: in order to solve the problems, the utility model aims to provide an anti-collision safety barrier for a coke oven maintenance platform. The utility model is implemented by the following technical scheme: An anti-collision safety barrier of a coke oven maintenance platform comprises a lifting type barrier component and an anti-collision component; The anti-collision assembly comprises a laser range finder arranged on the maintenance platform, a displacement sensor arranged on the lifting guardrail assembly, a PLC (programmable logic controller) and an alarm, wherein signal output ends of the laser range finder and the displacement sensor are connected with signal input ends of the PLC, and signal output ends of the PLC are respectively connected with signal input ends of the alarm and a driving device of the coke pusher. Further, the anti-collision assembly further comprises a camera arranged on the coke pushing vehicle and a display arranged in the control room, wherein a signal output end of the camera is in signal connection with a signal input end of the PLC, and a signal output end of the PLC is in signal connection with a signal input end of the display. The lifting type guardrail assembly comprises a track and at least one group of guardrail assemblies, wherein the track is fixed on the coke pusher and comprises a descending track, a horizontal track and a lifting track which are sequentially connected; Each group of guardrail components comprises a vertical slideway fixed on the side wall below the overhaul platform and guardrails arranged in the vertical slideway in a sliding manner; An upper sliding block and a lower sliding block are respectively arranged in the vertical slideway in a sliding way from top to bottom, and the upper sliding block is connected with the lower sliding block through a connecting component; the wheel shaft of the roller matched with the track is fixedly arranged on the lower sliding block; The top of the middle vertical pole that vertically sets up with guardrail fixed connection, the bottom of middle vertical pole with go up sliding block fixed connection. Further, the length of the horizontal track is not smaller than the length of the coke pusher. Further, the free ends of the descending track and the lifting track are of an open structure. Further, the connecting assembly comprises a connecting rod, and two ends of the connecting rod are fixedly connected with the upper sliding block and the lower sliding block respectively. The connecting assembly further comprises a self-locking assembly, wherein the self-locking assembly comprises a hinged frame and tension springs, the hinged frame comprises four connecting rods which are sequentially hinged, and the hinged frame is of an axisymmetric structure about the vertical direction; The top of connecting rod with go up slider fixed connection, the bottom of connecting rod with the pin joint on articulated frame top is connected, the pin joint on articulated frame bottom with lower slider is connecte