CN-121992168-A - Quick pull type anti-lock oxygen gun anti-falling device

Abstract

The invention discloses a quick pull type anti-lock oxygen lance anti-falling device. The anti-falling trolley comprises an anti-falling trolley body, wherein a steel wire rope traction detection device and anti-falling devices are arranged on the roof of the anti-falling trolley body, anti-falling tracks are arranged on two sides of each anti-falling device, and when the steel wire rope traction detection device detects that the steel wire rope traction is lost, the anti-falling devices are driven to squeeze towards the anti-falling tracks on two sides so as to achieve the anti-falling purpose. The invention adopts pull type stop, the stop pull rod is not deformed, and the tension bearing capacity is stronger. The locking tooth occlusion design is adopted, unhooking is avoided, and safety and reliability are realized. The locking teeth can be easily reset after being meshed, and the conditions of rail clamping, locking and the like can not occur.

Inventors

• ZHA YONG
• LI DONG
• Tu min
• ZHA WEIWEI
• LUO JIN
• ZHAO WEICHAO

Assignees

• 中冶华天南京工程技术有限公司
• 中冶华天工程技术有限公司

Dates

Publication Date

20260508

Application Date

20260130

Claims (8)

1. 1. A quick pull type anti-lock oxygen lance anti-falling device, comprising: Anti-falling trolley; the roof of the anti-falling trolley is provided with a steel wire rope traction force detection device and a falling stopping device; The two sides of the anti-falling device are provided with anti-falling tracks; When the wire rope traction force detection device detects that the wire rope traction force is lost, the anti-falling device is driven to extrude to the anti-falling tracks on the two sides, so that the anti-falling aim is achieved.
2. 2. The quick pull anti-lock oxygen lance fall protection device of claim 1, wherein the wire rope traction force detection device comprises: the device comprises a shell, a connecting rod and a connecting rod, wherein a top plate is arranged on the shell, and a guide rod hole is formed in the middle of the top plate; the upper end of the connecting guide rod is led out of the shell upwards; a guide rod seat is arranged in the shell, and the lower end of the connecting guide rod is arranged on the guide rod seat; and a main compression spring is sleeved on the connecting guide rod between the top plate and the guide rod seat.
3. 3. The quick pull type anti-lock oxygen lance anti-falling device according to claim 2, wherein the anti-falling device comprises an anti-falling trolley roof vertically hinged with stop pull rods at two sides of the shell, wherein the upper ends of the stop pull rods are provided with anti-falling hooks, and the middle sections of the stop pull rods are vertically provided with long waist holes; Two connecting rod seats are respectively arranged on two sides of the guide rod seat; A connecting rod is arranged on the connecting rod seat; the middle part of the connecting rod is hinged on the connecting rod seat; One end of the connecting rod, which is close to the guide rod seat, is hinged on the guide rod seat, and the other end of the connecting rod is hinged in a long waist hole in the middle section of the stop pull rod; When the anti-falling trolley is in a traction state, one end of the connecting rod, which is close to the guide rod seat, is higher than one end of the connecting rod, which is hinged in the long waist hole.
4. 4. A quick pull anti-lock oxygen lance fall protection device as set forth in claim 3, wherein an auxiliary spring is disposed between said housing and the stop drawbar.
5. 5. A quick pull type anti-lock oxygen lance fall protection device as set forth in claim 3, wherein a guide unfilled corner is provided at the upper end of said stop pull rod corresponding to the fall protection rail.
6. 6. The anti-lock oxygen gun falling protector according to claim 5, wherein a plurality of falling stopping hook concave parts are correspondingly arranged on the falling stopping rail along the length direction corresponding to the falling stopping hooks, and the falling stopping hooks can be mutually meshed with the falling stopping hook concave parts.
7. 7. The quick pull type anti-lock oxygen lance anti-falling device according to claim 1, wherein the upper end of the connecting guide rod is hinged on the steel wire rope lifting pulley block.
8. 8. The anti-falling device of the quick pull type anti-lock oxygen lance of claim 2, wherein a guiding device is arranged at the bottom of the guide rod seat corresponding to the shell.

Description

Quick pull type anti-lock oxygen gun anti-falling device Technical Field The invention relates to a quick pull type anti-lock oxygen lance anti-falling device. Background In the smelting industry, an oxygen lance system is one of important equipment and is responsible for converting during smelting. Because the oxygen lance is arranged on the oxygen lance lifting trolley and moves up and down in the vertical rail through the winch, the safety performance requirement of the equipment is extremely high, and once a steel wire rope is broken or other braking failure accidents occur, the oxygen lance can fall down along with the lifting trolley rapidly, the falling gun accidents occur, and the converter explosion can be possibly caused, so that serious accidents are caused. Therefore, the lifting trolley adopts a mechanical anti-falling system so as to ensure that the lifting trolley can stop in the air independently after various guarantee measures fail. At present, the main oxygen lance anti-falling mechanism basically depends on a spring rebound type connecting rod mechanism, the self weight of the mechanism is transmitted to a brake block for braking, and the mechanism is braked by friction force, so that the mechanism has the defects that once the mechanism is braked once, the connecting rod mechanism is basically deformed and damaged, or the track surface is scratched, the reset is difficult, and the mechanism is required to be corrected and reset even after being disassembled, thereby delaying the production rhythm and influencing the production efficiency. Disclosure of Invention Aiming at the defects, the invention aims to provide the quick pull-type anti-lock oxygen lance anti-falling device which is in the form of a connecting rod mechanism, wherein the stressed rod piece is a pull-type part, has high strength and difficult deformation, can be quickly braked and reset through continuous experiments in a workshop, and is safe and reliable. In order to achieve the above purpose, the quick pull type anti-lock oxygen lance anti-falling device of the invention comprises: Anti-falling trolley; the roof of the anti-falling trolley is provided with a steel wire rope traction force detection device and a falling stopping device; The two sides of the anti-falling device are provided with anti-falling tracks; When the wire rope traction force detection device detects that the wire rope traction force is lost, the anti-falling device is driven to extrude to the anti-falling tracks on the two sides, so that the anti-falling aim is achieved. Further, the device for detecting the traction force of the steel wire rope comprises: the device comprises a shell, a connecting rod and a connecting rod, wherein a top plate is arranged on the shell, and a guide rod hole is formed in the middle of the top plate; the upper end of the connecting guide rod is led out of the shell upwards; a guide rod seat is arranged in the shell, and the lower end of the connecting guide rod is arranged on the guide rod seat; and a main compression spring is sleeved on the connecting guide rod between the top plate and the guide rod seat. The anti-falling device comprises a shell, an anti-falling trolley, a stop pull rod, a stop hook, a long waist hole, a stop hook and a stop hook, wherein the anti-falling trolley is vertically hinged to the roof of the anti-falling trolley at two sides of the shell; Two connecting rod seats are respectively arranged on two sides of the guide rod seat; A connecting rod is arranged on the connecting rod seat; the middle part of the connecting rod is hinged on the connecting rod seat; One end of the connecting rod, which is close to the guide rod seat, is hinged on the guide rod seat, and the other end of the connecting rod is hinged in a long waist hole in the middle section of the stop pull rod; When the anti-falling trolley is in a traction state, one end of the connecting rod, which is close to the guide rod seat, is higher than one end of the connecting rod, which is hinged in the long waist hole. Further, an auxiliary spring is arranged between the shell and the stop pull rod. Further, a guide unfilled corner is arranged at the upper end of the stop pull rod corresponding to the anti-falling rail. Further, a plurality of falling stopping hook concave parts are correspondingly arranged on the falling stopping rail along the length direction and correspond to the falling stopping hooks, and the falling stopping hooks can be mutually meshed with the falling stopping hook concave parts. Further, the upper end of the connecting guide rod is hinged to the steel wire rope lifting pulley block. Further, a guiding device is arranged at the bottom of the guide rod seat corresponding to the shell. The invention has the following advantages: 1. the invention relates to a quick pull type anti-lock oxygen lance anti-falling device in the smelting industry. 2. The invention adopts pull type stop, the stop pull rod is not