CN211097116U

CN211097116U - Two-way rescue device that flees of high-rise conflagration

Info

Publication number: CN211097116U
Application number: CN201921593685.XU
Authority: CN
Inventors: 刘颖; 刘玉芬; 韩现宝; 商海智
Original assignee: Jining Shengze Cryogenic Equipment Manufacture Co ltd
Current assignee: Jining Shengze Cryogenic Equipment Manufacture Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-07-28
Anticipated expiration: 2029-09-24

Abstract

The utility model provides a two-way rescue device of fleing of high-rise conflagration, includes fixed pulley, chain cable and fast device that falls, the chain cable passes from the fast device that falls is inside, the fast device that falls comprises fast ware and safety cage, the fast ware appearance that falls is the cavity casing, the fixed chain cable guide way that is used for wearing to establish the chain cable that is equipped with of casing top and lateral wall lower extreme, two chain cable guide way exits are equipped with guide sprocket respectively, one side of two guide sprocket center lines is equipped with brake sprocket, brake sprocket brakes through the disc brake, the safety cage center is provided with the main shaft, the fixed a plurality of safety knot that is provided with on the main shaft, the fast ware that falls passes through hinged joint with safety cage. The utility model discloses simple structure, easy operation adopt pure mechanical structure, and the fault rate is low, safe and reliable. Be provided with a plurality of safety rings in the casing outside, can once transfer many personnel or a plurality of heavy object, practiced thrift the rescue time, improve rescue efficiency.

Description

Two-way rescue device that flees of high-rise conflagration

Technical Field

The utility model relates to a high-rise device of saving oneself especially relates to a high-rise conflagration of pure mechanical type device of saving oneself many people's fast device that falls of fleing.

Background

With the continuous acceleration of the modernization process, the number of high-rise buildings is increased. Due to the limitation of fire-fighting facilities, once a high-rise building is in danger, particularly major accidents such as fire, earthquake and the like, the escape mode of people in the high-rise building is very important. At present, most of the escape devices for people on the market are fixed on a building body, and people are put down to the ground by a lifting device. Such devices are generally driven by a motor, and when danger occurs, the building is likely to be powered off, and once power supply is lost, the lifting device is extremely dangerous for falling personnel. Moreover, the lifting device has the limit of people to be placed at one time, and the purpose of quick rescue is difficult to achieve. Therefore, a need exists for a safe and effective multi-user rescue device with a simple structure and convenient operation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming the defects of the prior art and providing a pure mechanical rescue device for self-rescue and escape for people when dangerous situations such as fire disaster happen to high-rise buildings.

A two-way rescue device of fleing of high-rise conflagration, including fixed pulley, chain cable and speed drop device, the fixed pulley is inside to be fixed to be provided with two-way ratchet, and two-way ratchet's effect is ensured that the speed drop device is at the fixed immobility of decline in-process chain cable, the chain cable can rotate when the adjustment speed drops the device position. A chain cable is arranged in the groove at the outer side of the fixed pulley. The chain cable passes through the inside of the speed reduction device, and the speed reduction device slides along the chain cable. The quick-falling device consists of a speed reducing mechanism and a safety cage.

The outer wall of the speed reducing mechanism is a cavity shell, and chain cable guide grooves for penetrating chain cables are fixedly formed in the top of the shell and one side face of the shell respectively. The inner side positions of the two chain cable guide grooves are respectively and rotatably provided with a guide chain wheel, the middle position of the two guide chain wheels is rotatably provided with a speed reduction chain wheel, and the chain cable penetrates through the chain cable guide grooves and then is wound on the guide chain wheel and the speed reduction chain wheel. The safety cage is characterized in that a linkage gear is coaxially arranged on the speed reduction chain wheel, a speed reduction gear is meshed on one side of the linkage gear, a brake disc of a disc brake is coaxially and fixedly arranged on the speed reduction gear, the disc brake is fixedly connected with an external control wheel through a screw rod, the disc brake is fixedly arranged on the inner wall of the shell, two heavy hammers are arranged on the outer side of the external control wheel in a hanging mode through pull ropes, one heavy hammer is located below the safety cage, and the other heavy hammer is located inside the safety cage.

The safety cage is characterized in that a main shaft is arranged at the center of the safety cage, a plurality of safety buckles are fixedly arranged on the main shaft, a top plate is fixedly arranged at the upper end of the main shaft, a bottom plate is fixedly arranged at the lower end of the main shaft, the top plate is fixedly connected with the outer edge of the bottom plate through a plurality of guard bars, and the speed reducing mechanism is connected with the safety cage through a hinge.

Further, the fixed pulley is vertically fixed on the outer edge of the top of the building body.

Further, the control wheel is arranged as a rope wheel.

Further, the chain cable and the quick-falling device are vertically arranged between two rows of balconies.

Furthermore, at least three guard bars are arranged.

Furthermore, at least two safety buckles are arranged.

Furthermore, two grooves are formed in the surface of the rope wheel, a pull rope is fixedly arranged in each groove, and a heavy hammer is arranged on each pull rope.

Furthermore, an evacuation access door is arranged on one side of the balcony, which is close to the quick-falling device.

Furthermore, one of the pull ropes is used for controlling the tightening of the disc brake, and the other pull rope is used for controlling the loosening of the disc brake.

The utility model discloses a theory of operation: the utility model discloses a speed falls device and chain cable and hangs through the movable pulley, sets up between the two rows of balconies of high-rise building, under the general condition this novel outward flange of berthing at the highest balcony of floor. When danger occurs, an operator on the ground controls the movement of the chain cable to adjust the quick-falling device to the position of the balcony to be rescued. When a person to be rescued enters the safety cage through an evacuation access door arranged on a balcony, the rescued person A releases the heavy hammers positioned below the safety cage, the weights of the two heavy hammers are offset and are in a balanced state, the disc brake is in a relaxed state, and the quick-descent device begins to descend. When the weight of the safety cage is close to the ground, the lower heavy hammer falls to the ground earlier than the quick-falling device, the balance of the two heavy hammers is broken, the heavy hammers in the safety cage begin to fall, the disc brake is tightened while the heavy hammers fall, the falling speed of the quick-falling device falls gradually under the action of the disc brake, and the weight of the two heavy hammers can be adjusted according to the safety cage and the maximum load capacity so as to balance the gravity. Meanwhile, in the process of landing, the landing speed can be manually controlled by pulling the pull rope. Finally, the quick-falling device falls on the ground stably, so that rescued people can reach the ground quickly and safely.

If people remain trapped on the upstairs, the ground operator locks the disc brake, and then pulls the chain cable to adjust the speed-reducing device to the designated position again, so that the bidirectional operation of the device is realized. And repeating the operation to continuously rescue the trapped personnel.

Drawings

FIG. 1: schematic diagram of device usage

FIG. 2: schematic front view of the device

FIG. 3: schematic rear view of the device

FIG. 4: schematic diagram of speed reducing mechanism

FIG. 5: schematic diagram of safety cage

Wherein: 1-fixed pulley, 10-bidirectional ratchet wheel, 2-chain cable, 3-speed-down device, 31-speed reducing mechanism, 310-chain lock guide groove, 311-guide chain wheel, 312-speed reducing chain wheel, 313-linkage gear, 314-speed reducing gear, 315-disc brake, 316-external control wheel, 317-shell, 318-pull rope, 319-heavy hammer, 32-safety cage, 321-main shaft, 3210-safety buckle, 322-guard bar, 323-bottom plate, 324-top plate, 33-hinge, 4-building body, 41-balcony and 42-evacuation access door.

Detailed Description

The following further describes the embodiments of the present invention with reference to the drawings.

Referring to fig. 1-5, the high-rise fire bidirectional escape and rescue device comprises a fixed pulley 1, a chain cable 2 and a speed reduction device 3, wherein a bidirectional ratchet 10 is fixedly arranged inside the fixed pulley 1, the bidirectional ratchet 10 is used for ensuring that the chain cable 2 is fixed in the descending process of the speed reduction device 3, and the chain cable 2 can rotate when the position of the speed reduction device 3 is adjusted. A chain rope 2 is arranged in a groove at the outer side of the fixed pulley 1. The chain 2 passes through the inside of the speed reduction device 3, and the speed reduction device 3 slides along the chain 2. The quick-falling device 3 consists of a speed reducing mechanism 31 and a safety cage 32, wherein the speed reducing mechanism 31 is responsible for controlling the falling speed, and the safety cage 32 is responsible for carrying people or heavy objects and providing safety protection. The outer wall of the speed reducing mechanism 32 is a hollow shell 317, and chain cable guide grooves 310 for the chain cables to penetrate through are fixedly arranged on the top of the shell 317 and one side face of the shell 317 respectively. The inner side positions of the two chain guide grooves 310 are respectively and rotatably provided with a guide chain wheel 311, and the guide chain wheel 311 is responsible for changing the running direction of the chain 2. The middle position of the two guide chain wheels 311 is rotatably provided with a speed reduction chain wheel 312, and the speed reduction chain wheel 312 is responsible for controlling the running speed of the chain 2. The chain 2 passes through the chain guide groove and then winds around the guide sprocket 311 and the reduction sprocket 312. The reduction sprocket 312 is coaxially provided with a linkage gear 313, one side of the linkage gear 313 is engaged with a reduction gear 314, the reduction gear 314 is coaxially and fixedly provided with a brake disc of a disc brake 315, the disc brake 315 is fixedly connected with an external control wheel 316 through a screw, the disc brake 315 is fixedly arranged on the inner wall of a shell 317, two weights 319 are hung on the outer side of the external control wheel 316 through a pull rope 318, one of the weights 319 is hung below the safety cage 32, the other weight is arranged inside the safety cage, the two weights 319 are matched with each other, and after the lower weight 319 falls to the ground, the weights inside the safety cage 32 are used for tightening and controlling the disc brake to reduce the speed. The center of the safety cage 32 is provided with a main shaft 321, a plurality of safety buckles 3210 are fixedly arranged on the main shaft 321, a top plate 324 is fixedly arranged at the upper end of the main shaft 321, a bottom plate 323 is fixedly arranged at the lower end of the main shaft 321, the top plate 324 is fixedly connected with the outer edge of the bottom plate 323 through a plurality of guard bars 322, and the speed reducing mechanism 31 is connected with the safety cage 32 through a hinge 33.

The beneficial effects of the utility model reside in that: simple structure, easy operation, pure mechanical structure, low failure rate, safety and reliability. This novel be provided with a plurality of safety rings, can once transfer many personnel or a plurality of heavy object, practiced thrift the rescue time, improve rescue efficiency.

Claims

1. A high-rise fire bidirectional escape and rescue device comprises a fixed pulley (1), a chain cable (2) and a speed reduction device (3), and is characterized in that a bidirectional ratchet wheel (10) is fixedly arranged inside the fixed pulley (1), and the chain cable (2) is arranged in a groove at the outer side of the fixed pulley (1); the chain cable (2) penetrates through the inside of the speed reduction device (3), and the speed reduction device (3) consists of a speed reduction mechanism (31) and a safety cage (32); the outer wall of the speed reducing mechanism (31) is a cavity shell (317), and chain cable guide grooves (310) for penetrating chain cables (2) are fixedly formed in the top of the shell (317) and one side face of the shell (317) respectively; the inner sides of the two chain guide grooves (310) are rotatably provided with guide chain wheels (311), the middle parts of the two guide chain wheels (311) are rotatably provided with speed reduction chain wheels (312), and the chain (2) penetrates through the chain guide grooves (310) and then is wound on the guide chain wheels (311) and the speed reduction chain wheels (312); the speed reduction chain wheel (312) is coaxially provided with a linkage gear (313), one side of the linkage gear (313) is engaged with a speed reduction gear (314), the speed reduction gear (314) is coaxially and fixedly provided with a brake disc of a disc brake (315), the disc brake (315) is fixedly connected with an external control wheel (316) through a screw rod, the disc brake (315) is fixedly arranged on the inner wall of a shell (317), the outer side of the external control wheel (316) is provided with two heavy hammers (319) in a hanging mode through a pull rope (318), one of the heavy hammers (319) is located below the safety cage (32), and the other heavy hammer (319) is located inside the safety cage; safety cage (32) center is provided with main shaft (321), fixed a plurality of safety button (3210) that is provided with on main shaft (321), main shaft (321) upper end is fixed and is provided with roof (324), the fixed bottom plate (323) that is provided with of main shaft lower extreme, roof (324) and bottom plate (323) outward flange are with a plurality of fender rod (322) fixed connection, reduction gears (31) pass through hinge (33) with safety cage (32) and are connected.

2. The two-way escape and rescue device for high-rise fire is characterized in that the fixed pulley (1) is vertically fixed at the outer edge of the top of the building body (4).

3. The bidirectional escape and rescue apparatus for high-rise fire as recited in claim 1, wherein the external control wheel (316) is configured as a rope wheel.

4. The two-way escape and rescue device for high-rise fire according to claim 1, characterized in that the chain cable (2) and the speed-lowering device (3) are vertically arranged between two rows of balconies (41).

5. The two-way escape and rescue device for high-rise fire according to claim 1, characterized in that at least three guard bars (322) are provided.

6. The two-way escape and rescue device for high-rise fire according to claim 1, characterized in that at least two safety buckles (3210) are provided.

7. The two-way escape and rescue device for high-rise fire according to claim 3, wherein the surface of the rope pulley is provided with two grooves, each of the two grooves is fixedly provided with a pull rope (318), and the pull rope (318) is provided with a heavy hammer (319).

8. The two-way escape and rescue device for high-rise fire according to claim 4, characterized in that an evacuation passage door (42) is arranged on one side of the balcony (41) close to the quick-falling device (3).

9. The two-way escape and rescue device for high-rise fire hazards as claimed in claim 7, wherein the pull rope (318) is used for controlling the tightening of the disc brake one by one and controlling the loosening of the disc brake the other by one.