CN210992684U

CN210992684U - High-altitude rescue equipment

Info

Publication number: CN210992684U
Application number: CN201920491726.8U
Authority: CN
Inventors: 房杰; 孙兆星; 李兆进; 郭慧
Original assignee: East China University of Science and Technology
Current assignee: East China University of Science and Technology
Priority date: 2019-04-12
Filing date: 2019-04-12
Publication date: 2020-07-14
Anticipated expiration: 2029-04-12

Abstract

The utility model relates to high-altitude rescue equipment, which comprises a supporting base, a lifting guide rail and a rescue device; the supporting base comprises a chassis (17), and a motor (4), a reduction box (5), a ratchet wheel (6) and a steel wire roller (7) which are arranged on the chassis (17); the lifting guide rail comprises a steel wire rope (8), a bearing guide rail (16), a pulley (9) and a lifting guide rail (10), the bottom of the bearing guide rail (16) is fixed on a chassis (17), the pulley (9) is arranged at the top of the bearing guide rail, one end of the steel wire rope (8) is wound on a steel wire roller (7), and the other end of the steel wire rope is connected with the multi-stage lifting guide rail (10); the rescue device comprises a rescue frame (11), a steel wire cableway (13), a safety seat (14), a safety belt (15) and a speed-reducing pulley (21); compared with the prior art, the utility model has the advantages of safety, fast, stable and the like.

Description

High-altitude rescue equipment

Technical Field

The utility model relates to a high altitude rescue especially relates to a high altitude rescue equipment when being used for dealing with the more place conflagration of personnel.

Background

At present, rescue equipment for rescuing people at any height is various and is basically divided into two types, wherein one type is rescue equipment for delivering rescue team members to burning buildings; the other type is rescue equipment used by rescuees without external aid.

The first type of rescue equipment is mainly used by fire brigades and comprises aerial ladder fire trucks and fire truck lifting devices, but the devices are large in size, the using conditions and the number of the devices in cities are severely limited, and the equipment is limited in the number of rescuers during one-time lifting and is not suitable for occasions with more rescuers. Manual fire ladders and jump devices are also used more, but manual fire ladders have limited rescue heights, and all jump devices pose a risk of injury to personnel, even people trained in martial arts.

The second type of rescue equipment is applied to people in emergency situations. The general equipment used for emergency rescue of high-rise buildings abroad is a collective rescue system such as a special fire elevator, but the special fire elevator needs to be determined in the building design, and most of the existing buildings are not provided with the fire elevator. There are also rescue devices based on elastic tubes and cableway descent devices, but these require a fire fighter to send it to the destination before use, which takes time, and cableway descent devices require training of the user. In addition, because about 70% of fires occur in 1-5 stories, a hangable ladder may be effective for such low-rise rescues, but requires a physically well-qualified person to descend from high to the ground.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a safe and efficient high altitude rescue device for overcoming the defects of the prior art.

The purpose of the utility model can be realized through the following technical scheme: a high altitude rescue device is characterized by comprising a supporting base, a lifting guide rail and a rescue device;

the supporting base comprises a chassis, and a motor, a reduction box, a ratchet wheel and a steel wire roller which are arranged on the chassis; the motor is sequentially connected with the reduction gearbox and the ratchet wheel, and the steel wire roller and the ratchet wheel are both fixed on a low-speed output shaft of the reduction gearbox;

the lifting guide rail comprises a steel wire rope, a bearing guide rail, a pulley and a lifting guide rail, wherein the bottom of the bearing guide rail is fixed on the chassis, the pulley is arranged at the top of the bearing guide rail, one end of the steel wire rope is wound on the steel wire roller, and the other end of the steel wire rope is connected with the multi-stage lifting guide rail;

the rescue device comprises a rescue frame, a steel wire cableway, a safety seat, a safety belt and a speed reduction pulley; the rescue frame is arranged on the uppermost lifting guide rail, the rescue frame is provided with a speed reduction pulley, the steel wire cableway bypasses the speed reduction pulley, two ends of the steel wire cableway are respectively connected with a safety seat, and safety belts are arranged on the safety seats.

The two ends of the base plate are respectively connected with the threaded support frame through a support rod a.

And universal wheels are also arranged under the chassis.

The lifting guide rail comprises a base, a support rod, a telescopic rope and a top pulley, wherein the steel wire rope is connected with the base of the first-stage lifting guide rail, the first-stage support rod is fixed on the first-stage base, the top of the first-stage support rod is provided with the top pulley, the telescopic rope at each stage bypasses one end of the top pulley to be connected with the top of the upper-stage support rod, and the other end of the telescopic rope is connected with the.

The rescue frame is provided with a safety buckle which is propped against the surface of the building or buckles the surface bulge.

The speed reduction pulley is connected with the speed reduction shaft, and the two sides of the maximum diameter section of the speed reduction shaft are provided with speed reduction damping fins which rub against the speed reduction shaft for speed reduction.

And the two sides of the deceleration damping sheet are also provided with a compression spring which is abutted against the side wall of the rescue frame to provide pressure required for generating friction for the deceleration damping sheet.

The two sides of the speed reduction pulley are symmetrically provided with a plurality of guide pulleys, the steel wire cableway is guided by the guide pulleys to hang down along the two sides of the rescue frame, penetrates through a guide sleeve and then is stored in a steel wire storage box, and the steel wire storage box is connected with the safety seat through a buffer spring.

The lower end of the bearing guide rail is connected with the chassis through bolts and nuts.

The rescue frame is connected with the side edge of the uppermost lifting guide rail through bolts and nuts.

Compared with the prior art, the utility model has the advantages of it is following:

1. convenient transportation and storage: the motor is used as the driving force, so that the safety, the stable performance and the small volume are realized, and the influence on the whole size of the equipment is small. And meanwhile, the flat section bar is used as the main component of the lifting device, has compact structure, small volume and light weight, is convenient to store and transport, and can be frequently used in common residential areas.

2. The rescue speed is high: after the rescue frame rises to reach the designated position, trapped people can be rescued only by sliding down to the ground through the cableway, and the rescue frame is convenient and quick. Meanwhile, the alternate operation of the rescue seat improves the rescue efficiency and has advantages when more people face.

3. The use is simple and safe: the safe seat is used as a rescue carrier, complex operation is not needed, and the safe seat is convenient for ordinary people to use. Meanwhile, the self-locking and buffering device can reduce the trauma generated in the rescue process, and the use is safer.

4. The structure is stable: the utility model discloses designed the support frame that increases the holding area on the base, lift guide is horizontal double design simultaneously, as shown in FIG. 2, can share a share supporting power, improves structural stability, reduces and transversely rocks.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is the partial structure schematic diagram of the rescue device of the utility model.

Detailed Description

The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

Example 1

A high-altitude rescue device comprises a supporting base, a lifting guide rail and a rescue device;

the supporting base comprises a chassis 17, and a motor 4, a reduction box 5, a ratchet wheel 6 and a steel wire roller 7 which are arranged on the chassis 17; the motor 4 is sequentially connected with the reduction gearbox 5 and the ratchet wheel 6, and the steel wire roller 7 and the ratchet wheel 6 are both fixed on the low-speed output shaft of the reduction gearbox 5; two ends of the base plate 17 are respectively connected with the threaded support frame 1 through a support rod a 2. Universal wheels 3 are arranged under the chassis 17.

The lifting guide rail comprises a steel wire rope 8, a bearing guide rail 16, a pulley 9 and a lifting guide rail 10, the bottom of the bearing guide rail 16 is fixed on a chassis 17, the lower end of the bearing guide rail 16 is connected with the chassis 17 through bolts and nuts, the pulley 9 is arranged at the top of the bearing guide rail 16, one end of the steel wire rope 8 is wound on a steel wire roller 7, and the other end of the steel wire rope 8 is connected with the multi-stage lifting guide rail 10; the lifting guide rail 10 comprises a base, supporting rods, telescopic ropes and a top pulley, wherein a steel wire rope 8 is connected with the base 101 of the first-stage lifting guide rail 10, the first-stage supporting rods 102 are fixed on the first-stage base 101, the top of the first-stage supporting rods is provided with the top pulley 104, the telescopic ropes 103 at all stages bypass one end of the top pulley 104 to be connected with the top of the upper-stage supporting rods, and the other end of the telescopic ropes is connected with the base.

The rescue device comprises a rescue frame 11, a steel wire cableway 13, a safety seat 14, a safety belt 15 and a speed reduction pulley 21; the rescue frame 11 is connected with the side edge of the uppermost lifting guide rail 10 through bolts and nuts, the rescue frame 11 is provided with a speed reduction pulley 21, the steel wire cableway 13 bypasses the speed reduction pulley 21, two ends of the steel wire cableway are respectively connected with a safety seat 14, and each safety seat 14 is provided with a safety belt 15. The rescue frame 11 is provided with a safety catch 12 which is pressed against the surface of the building or catches the surface protrusion. The speed reducing pulley 21 is connected with the speed reducing shaft 18, and the two sides of the maximum diameter section of the speed reducing shaft 18 are provided with speed reducing damping sheets 19 which rub against the speed reducing shaft 18 for speed reduction. And the two sides of the speed reduction damping fin 19 are also provided with a pressing spring 20, and the pressing spring 20 is abutted against the side wall of the rescue frame 11 to provide pressure required for generating friction for the speed reduction damping fin 19. The two sides of the speed reduction pulley 21 are symmetrically provided with a plurality of guide pulleys 22, the steel wire cableway 13 is guided by the guide pulleys 22 to hang down along the two sides of the rescue frame 11, penetrates through a guide sleeve 23 and then is stored in a steel wire storage box 25, and the steel wire storage box 25 is connected with the safety seat 14 through a buffer spring 24.

The utility model discloses high altitude rescue equipment passes through 4 output torque of motor, and it is rotatory by 5 speed reduction back drive wire cylinders of reducing gear box, carries out the rolling to wire rope 8, and wire rope 8 changes through fixed pulley 9 and draws the direction of dragging the motion, realizes the output of power.

Under the traction of the steel wire rope 8, the first-stage lifting guide rail 10 firstly performs the lifting motion, and simultaneously, the top pulley 104 fixed on the first-stage lifting guide rail 10 also moves upwards along with the first-stage lifting guide rail, and the telescopic rope 103 wound on the first-stage lifting guide rail is caused to perform the traction on the second-stage lifting guide rail, so that the second-stage lifting guide rail also performs the lifting motion. By analogy, finally, under the traction of the steel wire rope 8, the rescue frame 11 can be lifted to a specified height by the last-stage lifting guide rail 10, and meanwhile, the safety catch 12 on the rescue frame 11 can be abutted against the surface of a building or a surface protrusion, so that the stability of the lifting device is ensured. The equipment can further increase the number of stages of the lifting guide rail 10 within a certain range to further improve the limit height, and can reach about 15m in general conditions, thereby meeting the rescue requirements of common buildings.

When the rescue frame 11 is lifted, the ground personnel can adjust the length of the steel wire released from the steel wire storage box 25, so that the two safety seats 14 are always kept at the top end and the other is at a position slightly higher than the ground (in order that the buffer spring 24 can play a role of buffer when the rescued personnel slide to the ground from a high position). When the rescue frame 11 rises to a specified position, ground personnel lock the steel wire storage box 25 to ensure that the steel wire is in a stretching state. At this time, the person trapped in the building can pull the safety seat 14 lifted to the top into the room, sit on the seat, and fasten the safety belt 15 to slide down from the building along the wire rope 13. At this time, the deceleration damping fin 19 and the deceleration shaft 18 are mutually rubbed and decelerated, so that the descending speed of the wire ropeway 13 is reduced under the action of the deceleration pulley 21, and the personnel can be ensured to descend stably. Because the safety seats 14 are respectively hung at two ends of a steel wire rope, the seat originally positioned on the ground is pulled to the top end under the traction of the other seat, at the moment, a person in the building can descend to the ground through the seat, and the like, and the two seats can alternately convey the person.

Claims

1. A high altitude rescue device is characterized by comprising a supporting base, a lifting guide rail and a rescue device;

the supporting base comprises a chassis (17), and a motor (4), a reduction box (5), a ratchet wheel (6) and a steel wire roller (7) which are arranged on the chassis (17); the motor (4) is sequentially connected with the reduction gearbox (5) and the ratchet wheel (6), and the steel wire roller (7) and the ratchet wheel (6) are both fixed on the low-speed output shaft of the reduction gearbox (5);

the lifting guide rail comprises a steel wire rope (8), a bearing guide rail (16), a pulley (9) and a lifting guide rail (10), the bottom of the bearing guide rail (16) is fixed on a chassis (17), the pulley (9) is arranged at the top of the bearing guide rail, one end of the steel wire rope (8) is wound on a steel wire roller (7), and the other end of the steel wire rope is connected with the multi-stage lifting guide rail (10);

the rescue device comprises a rescue frame (11), a steel wire cableway (13), a safety seat (14), a safety belt (15) and a speed-reducing pulley (21); rescue frame (11) set up on the lift guide rail (10) of top, set up speed reduction pulley (21) on rescue frame (11), wire cableway (13) walk around speed reduction pulley (21), a safety seat (14) is respectively connected at both ends, is equipped with safety belt (15) on each safety seat (14).

2. High altitude rescue equipment as claimed in claim 1 wherein the two ends of the chassis (17) are connected to the threaded support bracket (1) through support rods a (2) respectively.

3. High altitude rescue apparatus as claimed in claim 1 wherein universal wheels (3) are provided under the chassis (17).

4. High altitude rescue equipment as claimed in claim 1 wherein the lifting rail (10) includes a base, a support rod, a telescopic rope and a top pulley, the steel cable (8) is connected with the base (101) of the first stage lifting rail (10), the first stage support rod (102) is fixed on the first stage base (101), the top of the first stage support rod is provided with the top pulley (104), one end of each stage of telescopic rope (103) is connected with the top of the first stage support rod by bypassing the top pulley (104), and the other end is connected with the base.

5. Height rescue apparatus as claimed in claim 1 wherein said rescue frame (11) is provided with safety catches (12) for engaging the building surface or for catching surface protrusions.

6. High altitude rescue equipment as claimed in claim 1, characterized in that the deceleration pulley (21) is connected with the deceleration shaft (18), and is provided with deceleration damping sheets (19) at two sides of the maximum diameter section of the deceleration shaft (18) to rub against the deceleration shaft (18) for deceleration.

7. High altitude rescue equipment as claimed in claim 6 wherein the deceleration damping fin (19) is further provided with compression springs (20) on both sides, the compression springs (20) abut against the side wall of the rescue frame (11) to provide the pressure required for generating friction for the deceleration damping fin (19).

8. The high-altitude rescue device as claimed in claim 1, wherein a plurality of guide pulleys (22) are symmetrically arranged on two sides of the speed reduction pulley (21), the steel cable way (13) is guided by the guide pulleys (22) to hang down along two sides of the rescue frame (11), penetrates through a guide sleeve (23) and then is stored in a steel cable storage box (25), and the steel cable storage box (25) is connected with the safety seat (14) through a buffer spring (24).

9. High altitude rescue apparatus as claimed in claim 1 wherein the lower end of the load bearing rail (16) is connected to the chassis (17) by bolts and nuts.

10. High altitude rescue equipment as claimed in claim 1, characterized in that the rescue frame (11) is connected with the side of the uppermost lifting rail (10) by bolts and nuts.