WO2021031253A1

WO2021031253A1 - Quick-drop escape device for high-rise buildings

Info

Publication number: WO2021031253A1
Application number: PCT/CN2019/105075
Authority: WO
Inventors: 许雷
Original assignee: 许雷
Priority date: 2019-08-22
Filing date: 2019-09-10
Publication date: 2021-02-25
Also published as: CN110384878B; CN110384878A

Abstract

A quick-drop escape device for high-rise buildings, which relates to the technical fields of safety, protection and rescue, comprising: a main slideway (13), which is fixedly arranged in a fire-fighting stair channel and arranged along floor stairs; a main pulley (1), which is slidably mounted to the main slideway (13); and a supporting rod (8), wherein the top part thereof is provided with a capstan wheel (2), a tie belt (7) for binding a human body is provided along the extending direction of the supporting rod (8), and the capstan wheel (2) is fixed or separated from the main pulley (1) under the action of a clutch mechanism. By means of holding the supporting rod (8) by hand, a large number of people may slide downwards on the main slideway (13) quickly by using the main pulley (1), so as to quickly evacuate and escape before and after a disaster. The present invention has the characteristics of a high safety factor, a simple and convenient operation, a fast escape speed and the ability to evacuate more people in a short period of time, will not scare the escaping people due to the high altitude, and may also prevent the escaping people from being crowded and trampled while escaping and blocking the escape passage.

Description

High-rise building quick-fall escape device

This application claims the priority of a Chinese patent application filed with the Chinese Patent Office on August 22, 2019, the application number is 201910779584.X, and the application name is a high-rise building rapid-descent escape device, the entire content of which is incorporated into this application by reference in.

Technical field

The embodiments of the present application relate to the technical field of security and rescue, in particular to a rapid-descent escape device for high-rise buildings.

Background technique

With the development of urban construction in China, high-rise buildings are increasing. When disasters such as fires, earthquakes, air strikes, and nuclear explosions emerge, the evacuation of emergency personnel becomes an increasingly prominent difficulty.

The life-saving passages of existing high-rise buildings are basically fire-fighting stairs. People are easily congested during evacuation and the entire escape time is long. Especially in the distressed floors, toxic smoke or fire obstacles will block the escaped personnel; with the frequent occurrence of high-rise escape accidents, More and more high-level escape methods have also emerged, such as slow descent through high-altitude ropes. However, the disadvantages of this method are the limited length of the rope, the slow evacuation speed, the difficult operation of escape personnel and the strong fear of heights. ; Escape by setting up a ladder. The disadvantage of this method is that the fire ladder can reach up to 72 meters, which can not meet the rescue height of high-rise buildings. The number of rescuers in a single rescue is small and the rescue time is long.

Based on the above problems, there is an urgent need for a new technical solution for a rapid-fall escape device for high-rise buildings.

Application content

To this end, an embodiment of the present application provides a high-rise building rapid-descent escape device to solve the problems of high difficulty in operation, slow escape speed, small number of people evacuated in a short time, and easy crowding during escape in the prior art.

In order to achieve the foregoing objectives, the embodiments of the present application provide the following technical solutions:

A rapid-falling escape device for high-rise buildings, including:

The main slide, which is fixedly installed in the fire stairway and arranged along the floor stairs;

The main pulley, the main pulley is slidably installed on the main slide;

A support rod, a winch wheel is installed on the top of the support rod, and a strap for binding the human body is arranged along the extension direction of the support rod, and the winch wheel is fixed or fixed to the main pulley under the action of a clutch mechanism. Separate.

Further, the clutch mechanism includes:

A first gear connected to the winch wheel and a second gear connected to the main pulley are meshingly connected between the first gear and the second gear.

Further, it also includes a connecting elbow, a locking gear and a spring; one end of the connecting elbow is connected to the support rod, and the other end is connected to the spring, the locking gear, the winch wheel and the Main pulley; wherein one end of the spring is fixed on the connecting elbow, the other end abuts against one end of the locking gear, and the other end of the locking gear is connected to the winch wheel.

Further, the support rod is also equipped with a tooth-detaching mechanism, and the strap is equipped with a metal fixing piece. After reaching a set height, the metal fixing piece touches the tooth-detaching mechanism. Under the action, the first gear is separated from the second gear.

Further, a cavity is provided inside the support rod, one end of the tie leads upward from the cavity of the support rod to cause the winch wheel to be riveted, and the other end of the tie is led out from the lower end of the support rod through the cavity.

Furthermore, it also includes a chest safety belt and a leg safety belt, and the lace drawn from the lower end of the support rod is connected to the chest safety belt and the leg safety belt in sequence.

Further, the main slide is fixedly installed on the ceiling or the wall through the support arm; when the main slide is arranged at the corner of the stairs, the main slide is arranged with a smooth curved surface with a certain arc to ensure that the main slide The pulley can continuously slide down on the main slide.

Further, it also includes a secondary slide. The starting end of the secondary slide is set on the rest platform at the entrance of each fire-fighting stairway, and is close to the main slide. The end of the secondary slide is equipped with a rail merging device. The merging device is a movable guide rail, so that when the main pulley slides to the end of the auxiliary slide, the movable guide is pressed down by gravity and slides into the main slide; the auxiliary slide is a hook type The suspension arm is fixedly installed on the ceiling surface.

Further, a spring brake is provided at the end of the main slide.

Further, it also includes a shelf box, which is arranged on the wall of the rest platform at the entrance of each fire stairway.

The embodiment of the application has the following advantages: the embodiment of the application uses the main pulley to slide on the main slide at a high speed through the handheld support rod, and can quickly pass through the toxic smoke and fire field during the sliding process, which can cause fires, earthquakes, air strikes, nuclear explosions, etc. A large number of people quickly evacuated before and after a disaster. It has the characteristics of high safety factor, easy operation, fast escape speed, and many people evacuated in a short time. The evacuated personnel will not have a sense of high altitude fear, and it can also avoid the escape personnel during the escape process. Crowded trampling occurs to block the escape route; the human body is tied to the support pole by the lacing, even if the person is in a coma, shock, loss of consciousness and other conditions during the evacuation, the evacuation action will not be affected. The disabled person can also assist others Successfully escaped under the circumstances, and won favorable conditions for the later rescue work.

Description of the drawings

In order to more clearly describe the embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only exemplary. For those of ordinary skill in the art, without creative work, other implementation drawings can be derived from the provided drawings.

The structure, ratio, size, etc. shown in this manual are only used to match the content disclosed in the manual for people who are familiar with this technology to understand and read. They are not used to limit the implementation conditions of this application, so they are not technical. The substantive meaning of the above, any structural modification, proportional relationship change or size adjustment, without affecting the effects and objectives that can be achieved by this application, should still fall within the technical content disclosed in this application. Can cover the range.

Fig. 1 is a schematic structural diagram of a strut suspension assembly provided in an embodiment of the application.

Fig. 2 is a side view of a strut suspension assembly provided in an embodiment of the application.

Figure 3 is a schematic diagram of the main slide provided in an embodiment of the application.

Fig. 4 is a top view of the arrangement of the main and auxiliary slideways of the fire stairwell provided in an embodiment of the application.

Fig. 5 is a schematic diagram of a sub-chute end merging device provided in an embodiment of the application.

Figure 6 is a schematic diagram of the end of the main slide provided in an embodiment of the application.

In the picture: 1. Main pulley; 2. Winch wheel; 3. Locking gear; 4. Spring; 5. Connecting elbow; 6. De-tooth mechanism; 7. Tie belt; 8. Support rod; 9. Metal fixing plate ; 10. Chest seat belt; 11. Chest seat belt buckle; 12. Leg seat belt; 13. Main slide; 14. Secondary slide; 15. Hook-type suspension arm; 16. Support arm; 17. Activity Guide rail; 18, spring brake; 19, first gear; 20, cavity; 21, second gear.

detailed description

The following specific examples illustrate the implementation of this application. Those familiar with this technology can easily understand the other advantages and effects of this application from the content disclosed in this specification. Obviously, the described examples are part of this application. , Not all examples. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of this application.

Among them, the terms such as "upper", "lower", "left", "right", "middle", etc., cited in this specification are only for ease of description and clarity, and are not used to limit the implementation of this application. The scope and the change or adjustment of the relative relationship shall be regarded as the implementable scope of this application without substantial changes to the technical content.

The embodiment of the application provides a high-rise building rapid-descent escape device, including:

The main slide 13 is fixedly installed in the fire stairway and arranged along the floor stairs;

The strut suspension assembly includes a main pulley 1 and a support rod 8. The main pulley 1 is slidably installed on the main slide 13, and a winch wheel 2 is installed on the top of the support rod 8 and runs along the support rod. The extension direction of 8 is provided with a strap 7 for binding the human body, and the winch wheel 2 is fixed or separated from the main pulley 1 under the action of a clutch mechanism. FIG. 1 is a schematic structural diagram of a strut suspension assembly provided in an embodiment of this application, and FIG. 2 is a side view of a strut suspension assembly provided in an embodiment of this application, see FIGS. 1 and 2.

Specifically, when a fire or other disaster occurs, the escape personnel on each floor quickly arrive at the entrance of the fire stairway, hold the strut suspension assembly, tie the body and the strut suspension assembly together with the strap 7, and lift the strut suspension assembly with both hands. After the main pulley 1 is hung on the main slide 13 and both feet are left on the ground, the strut suspension assembly drives the human body to slide down the main slide 13.

The high-rise building rapid-descent escape device provided by the embodiment of the present application uses a strut suspension assembly to slide on the main slide 13 at a high speed, and can quickly pass through toxic smoke and fire fields during the sliding process, which can cause fires, earthquakes, air strikes, and A large number of people quickly evacuated before and after nuclear explosions and other disasters. It has the characteristics of high safety factor, easy operation, fast escape speed, and many people who are evacuated in a short time. Escape personnel will not feel fear of heights and can also avoid escape. Crowded and trampled during the escape process blocks the escape route; the tie 7 restrains the human body on the support rod 8 and slides down at a high speed until the safety zone. Even if the person is in a coma, shock, loss of consciousness and other conditions during the evacuation, it will not affect In its evacuation, the disabled can also successfully escape with the assistance of others, which will win favorable conditions for the later rescue work.

Based on the foregoing embodiments of the present application, the clutch mechanism includes:

A first gear 19 connected to the winch wheel 2 and a second gear 21 connected to the main pulley 1 are meshedly connected between the first gear 19 and the second gear 21.

The embodiment of the present application provides a high-rise building quick-fall escape device, by using the first gear 19 and the second gear 21 to enable the winch wheel 2 and the main pulley 1 to be meshed and connected, compared with other With the clutch mechanism (for example, magnetic connection, etc.), the connection is stronger and safer.

On the basis of the above-mentioned embodiment of the present application, the support rod 8 is also equipped with a de-tooth mechanism 6, and the strap 7 is equipped with a metal fixing piece 9 which touches after reaching a set height. By hitting the de-tooth mechanism 6, the first gear 19 is separated from the second gear 21 under the action of the de-tooth mechanism 6.

Specifically, when a fire or other disaster occurs, the escaping personnel on each floor quickly arrive at the entrance of the fire stairway, hold the strut suspension assembly, tie the body and the strut suspension assembly together with the strap 7, and lift the strut suspension assembly with both hands. After the main pulley 1 is hung on the main slide 13 and left with both feet on the ground, the strut suspension assembly drives the human body to slide down the main slide 13, and the winch wheel 2 starts to twist the tie upwards under the drive of the main pulley 1 7. The strap 7 pulls the restrained human body upwards. After the winch wheel 2 twists the strap 7 to a certain position, the metal fixing piece 9 attached to the strap 7 touches the de-tooth mechanism 6, and the de-tooth mechanism 6 pulls The extension spring rebounds to separate the first gear 19 from the second gear 21, the winch wheel 2 immediately stops twisting, the strap 7 stops winding, and the human body is fixed at the same height of the strut suspension assembly and separated from the winch wheel. 2 The strut suspension assembly engaged with the main pulley 1 continues to drive the human body to slide down.

On the basis of the above-mentioned embodiment of the present application, it further includes a connecting elbow 5, a locking gear 3 and a spring 4; one end of the connecting elbow 5 is connected to the support rod 8, and the other end is connected to the spring 4, The lock gear 3, the winch wheel 2 and the main pulley 1; wherein one end of the spring 4 is fixed on the connecting elbow 5, and the other end abuts against one end of the lock gear 3 , The other end of the lock gear 3 is connected with the winch wheel 2.

Specifically, when a fire or other disaster occurs, the escaping personnel on each floor quickly arrive at the entrance of the fire stairway, hold the strut suspension assembly, tie the body and the strut suspension assembly together with the strap 7, and lift the strut suspension assembly with both hands. After the main pulley 1 is hung on the main slide 13 and left with both feet on the ground, the strut suspension assembly drives the human body to slide down the main slide 13, and the winch wheel 2 starts to twist the tie upwards under the drive of the main pulley 1 7. The strap 7 pulls the restrained human body upwards. After the winch wheel 2 twists the strap 7 to a certain position, the metal fixing piece 9 attached to the strap 7 touches the de-tooth mechanism 6, and the de-tooth mechanism 6 pulls The extension spring rebounds to separate the first gear 19 from the second gear 21, the winch wheel 2 immediately stops twisting, the strap 7 stops winding, and the locking gear 3 continues to lock the winch wheel 2 from moving. The strap 7 is stationary, the human body is fixed at a uniform height of the strut suspension assembly, and the strut suspension assembly that is separated from the winch wheel 2 and the main pulley 1 engages continues to drive the human body to slide downward. When the strut suspension assembly is not in use, manually move the locking gear 3 to disengage it from the winch wheel 2, and at the same time pull down the strap 7, so that the metal fixing piece 9 on the strap 7 is separated from the disengaging mechanism 6, and the spring 4 Under the action of, the first gear 19 is meshed with the second gear 21.

On the basis of the above-mentioned embodiment of the present application, the support rod 8 is provided with a cavity 20 inside, one end of the tie 7 leads upward from the cavity 20 of the support rod 8 to cause the winch wheel 2 to be riveted, and the other end of the tie 7 passes through the cavity 20 20 is led out from the lower end of the support rod 8.

On the basis of the above-mentioned embodiments of the present application, it also includes a chest seat belt 10 and a leg seat belt 12, and a strap 7 drawn from the lower end of the support rod 8 connects the chest seat belt 10 and the leg seat belt 12 in sequence.

Specifically, when a fire or other disaster occurs, the escaping personnel on each floor quickly arrive at the entrance of the fire stairway, hold the strut suspension assembly, put their legs into the leg belt 12, and use the chest belt 10 to pass the chest belt buckle 11 Tie the body and the strut suspension assembly together, raise the strut suspension assembly with both hands, hang the main pulley 1 on the main slide 13, and leave with both feet on the ground. The strut suspension assembly drives the human body along the main slide 13 Slide down.

On the basis of the above-mentioned embodiment of the present application, the main slide 13 is fixedly installed on the ceiling or wall through the support arm 16; when the main slide 13 is arranged at the corner of the stairs, the setting of the main slide 13 A smooth curved surface with a certain arc ensures that the main pulley 1 can continuously slide down on the main slide 13, see FIG. 3.

On the basis of the above-mentioned embodiment of the present application, it also includes a secondary slide 14, the starting end of the secondary slide 14 is set on the rest platform at the entrance of each fire stairway, and moves closer to the main slide 13, see Figure 3 and 4, the end of the secondary slide 14 is provided with a rail merging device, the merging device is a movable guide rail 17, so that the main pulley 1 slides to the end of the secondary slide 14 by gravity to move the movable rail 17 is pressed down and slides into the main slide 13, see FIG. 5; the secondary slide 14 is fixedly installed on the ceiling surface by a hook-shaped suspension arm 15.

Specifically, when a fire or other disaster occurs, the escaping personnel on each floor quickly arrive at the entrance of the fire stairway, hold the strut suspension assembly, put their legs into the leg belt 12, and use the chest belt 10 to pass the chest belt buckle 11 Tie the body and the strut suspension assembly together, lift the strut suspension assembly with both hands, hang the main pulley 1 on the auxiliary slide 14, and then leave with both feet on the ground. The strut suspension assembly drives the human body along the auxiliary slide 14 Sliding down, the winch wheel 2 starts to twist the lace 7 upwards under the drive of the main pulley 1. The chest belt 10 and the leg safety belt 12 connected by the lace 7 lift the restrained human body upward, and the winch wheel 2 twists the tie After the belt 7 reaches a certain position, the metal fixing piece 9 attached to the strap 7 touches the de-tooth mechanism 6, and the tension spring of the de-tooth mechanism 6 rebounds to make the first gear 19 and the second gear 21 When the phases are separated, the winch wheel 2 stops twisting and the tie 7 stops winding. At the same time, the locking gear 3 continues to lock the winch wheel 2 and the tie 7 is still. The human body is fixed at the same height of the strut suspension assembly and separated from the winch wheel. 2 The strut suspension assembly engaged with the main pulley 1 continues to drive the human body to slide down. The secondary slide 14 is fixed by a hook-shaped suspension arm 15 suspended from the ceiling, and gradually approaches the main slide 13 from the outside, and starts to form a vertical parallel with the main slide 13 above the main slide 13 and the secondary slide 14 ends. , The tail end of the secondary slide 14 is provided with a movable guide rail 17, and the pulley attached to the secondary slide 14 slides so far, under the action of gravity, the movable guide rail 17 at the end is pressed down, and the movable guide rail 17 and the main rail are closed from top to bottom. The main pulley 1 slides into the main slide 13, and the movable guide rail 17 at the end automatically bounces and resets under the action of the reset spring. At this time, the stroke of the auxiliary slide 14 ends.

The high-rise building rapid-descent escape device provided by the embodiment of the present application is provided with a secondary slide 14 so that the evacuated personnel have a relatively fast initial speed when the secondary slide 14 and the main slide 13 are merged with each other, so as to avoid other high-speed The taxiing escape personnel collided.

On the basis of the above-mentioned embodiments of the present application, the end of the main slide 13 is provided with a spring brake 18 so that the trapped persons can decelerate and escape after reaching the refuge floor or the air defense floor to complete the escape process.

Specifically, the main slide 13 is continuously attached and fixed in the fire stairway from the entrance of the fire stairway on the highest floor and continues down to the refuge floor or the air defense floor. The escapers hold the support rod 8 and attach to the main pulley 1 through the main pulley 1. The chute 13 drives the human body to slide down the fire-fighting stairs layer by layer until it reaches the refuge floor or the air defense layer, and is decelerated and separated under the action of the spring brake 18 to complete the escape process in the building, see Figure 6.

On the basis of the above-mentioned embodiment of the present application, it also includes a shelf box for storing the support rod 8 and the main pulley 1, and the shelf box is arranged on the rest platform at the entrance of each fire stairway. On the wall.

The high-rise building quick-drop escape device provided by the embodiment of the present application is provided with a storage box to store the strut suspension assembly when it is not in use, so that when a disaster strikes, escape personnel can quickly obtain the strut suspension assembly escape.

Although this application has been described in detail above with general descriptions and specific examples, some modifications or improvements can be made to it on the basis of this application, which is obvious to those skilled in the art. Therefore, all these modifications or improvements made without departing from the spirit of this application belong to the scope of protection claimed by this application.

Claims

A rapid-falling escape device for high-rise buildings, which is characterized in that it comprises:

The main slide (13), the main slide (13) is fixedly installed in the fire stairway and arranged along the floor stairs;

The main pulley (1), the main pulley (1) is slidably installed on the main slide (13);

A support rod (8), a winch wheel (2) is installed on the top of the support rod (8), and a lace (7) for binding the human body is provided along the extending direction of the support rod (8), the The winch wheel (2) is fixed or separated from the main pulley (1) under the action of the clutch mechanism.
The high-rise building quick-fall escape device according to claim 1, wherein the clutch mechanism comprises:

A first gear (19) connected to the winch wheel (2), a second gear (21) connected to the main pulley (1), the first gear (19) and the second gear (21) ) Are connected with each other.
The high-rise building quick-fall escape device according to claim 1, further comprising a connecting elbow (5), a locking gear (3) and a spring (4); one end of the connecting elbow (5) is connected On the support rod (8), the other end penetrates the spring (4), the locking gear (3), the winch wheel (2) and the main pulley (1); wherein, the spring One end of (4) is fixed on the connecting elbow (5), the other end abuts against one end of the locking gear (3), and the other end of the locking gear (3) is connected to the winch wheel ( 2) Phase connection.
The high-rise building rapid-falling escape device according to claim 2, characterized in that the support rod (8) is also equipped with a tooth-removing mechanism (6), and the strap (7) is equipped with a metal fixing piece (9) After the metal fixing piece (9) reaches the set height, it touches the de-tooth mechanism (6), and under the action of the de-tooth mechanism (6), the first gear (19) and the The second gear (21) is separated.
The high-rise building quick-fall escape device according to claim 1, characterized in that the support rod (8) is provided with a cavity (20) inside, and one end of the tie (7) extends from the cavity (20) of the support rod (8). ) Causes the winch wheel (2) to be riveted upward, and the other end of the tie (7) is led out from the lower end of the support rod (8) through the cavity (20).
The high-rise building quick-fall escape device according to claim 5, characterized in that it further comprises a chest safety belt (10) and a leg safety belt (12), and a lace (7) drawn from the lower end of the support rod (8) Connect the chest harness (10) and the leg harness (12) in turn.
The high-rise building speed drop escape device according to claim 1, characterized in that the main slide (13) is fixedly installed on the ceiling or wall through a support arm (16); the main slide is arranged at the corner of the staircase When the main slide (13) is used, the main slide (13) is provided with a smooth curved surface with a certain arc to ensure that the main pulley (1) can continuously slide down on the main slide (13).
The high-rise building quick-fall escape device according to claim 1, further comprising a secondary slide (14), the starting end of the secondary slide (14) is set on the rest platform at the entrance of each fire stairway, And move closer to the main slide (13), the end of the secondary slide (14) is provided with a rail-combining device, the rail-combining device is a movable guide rail (17), so that the main pulley (1) slides to the At the end of the secondary slide (14), the movable guide rail (17) is pressed down by gravity and slides into the main slide (13); the secondary slide (14) is through the hook type suspension arm (15) Fixed installation on the ceiling surface.
The high-rise building quick-fall escape device according to claim 1, characterized in that the end of the main slide (13) is provided with a spring brake (18).
The high-rise building quick-fall escape device according to claim 1, further comprising a storage box arranged on the wall of the rest platform at the entrance of each fire stairway.