CN108273202B - A life-saving device for high-rise buildings - Google Patents

Abstract

The invention discloses a lifesaving device for high-rise buildings, which adopts a pulley device, wherein a treading part and a handrail are arranged on the pulley device, an escape person can slide down from one side of the pulley device through the treading part and the handrail, the foot part is treaded on an induction pad in the sliding process, the induction pad can sense the escape of the person and send signals to a controller, the controller receives the signals and judges the number of the persons, the propelling distance of a push rod is driven through the number of the persons, the more the persons, the greater the pressure to the pulley device, the enough friction force is needed to prevent the pulley device from rotating too fast, on the other hand, in order to avoid the too large friction force between the pulley device and a damping device to cause the over-slow rotation of a driving wheel, therefore, the propelling distance of the push rod is controlled through judging the number of the persons, because different diameters are arranged on the push rod, the extrusion force to rubber, the farther the push rod is pushed out, the larger the extrusion force on the rubber sleeve is, and further the friction force between the rubber sleeve and the connecting part is larger.

Description

A life-saving device for high-rise buildings

technical field

The invention relates to a life-saving device, in particular to a life-saving device for high-rise buildings.

Background technique

The height of high-rise buildings is generally more than 100m, and the height of super-high buildings can even reach 300m. This brings great challenges to the traditional fire protection system. Although high-rise and super high-rise buildings are equipped with automatic sprinkler systems and internal fire hoses. However, the scope of the automatic sprinkler system is relatively limited; and the internal fire hose must be operated by personnel entering the fire. Even more deadly, if the fire damages the electrical system of the high-rise building, the automatic sprinkler system and the internal fire hose will fail. At present, the height of the ladder truck used for fire protection is generally less than 100m. For high-rise building fires that exceed the height of the ladder truck, people have no effective means to fight it. Second, elevators are widely used in high-rise buildings. In the event of a fire, the elevator shaft will create a chimney effect. Fresh oxygenated air enters the interior of high-rise buildings through elevator shafts, which is the root cause of the rapid spread of fires in high-rise buildings. At the same time, due to the chimney effect, the toxic gas formed by the fire can easily spread in high-rise buildings and cause personal injury. Furthermore, people in high-rise buildings are concentrated. According to the requirements of existing fire protection regulations, in the event of a fire, personnel can only be evacuated through fire stairs. In the event of a fire on a lower floor, the toxic fumes from the fire can prevent people from escaping. In addition, in the event of a fire in a high-rise building, the power supply in the building will be cut off, or the power supply will be lost due to damage to the circuit. This brings more difficulties to the fire rescue of high-rise buildings. At present, when a fire occurs in a high-rise building, how to evacuate people safely and quickly and extinguish the fire has become a topic of common concern around the world.

The focus of life-saving plans for fires is prevention. High-rise buildings have well-established fire codes from design to construction. And in the event of a fire, there is also a complete alarm system to alert people in the building. However, there are serious deficiencies in fire fighting and life saving.

Currently, the only way for people to escape is to walk downstairs through the fire stairs. However, the evacuation speed of fire stairs is slow, and once a fire occurs on the lower floor, the escape of people on the upper floor will be hindered by smoke. To solve this problem, people are developing elevator systems that can be used in fires. The elevator system can effectively solve the problem of personnel escape when a fire just occurs. But once the fire spreads and smoke forms in the corridor, people can't use the system to escape. In addition, fire escape elevators are expensive to manufacture and maintain.

Another type of escape device that has been put into use is the self-fall escape system. The system has simple structure and low cost. It uses the weight of the human body as a power source. But the system can only be used by a single person, and evacuation is slow. If you want to be able to escape effectively, you must be equipped with a lot of equipment. But when many people use the self-dropping escape system at the same time, whether the escape rope will be entangled is also an uncertain factor.

Some people abroad have considered the use of helicopters in high-rise building fire rescue. However, since there is often thick smoke at the fire scene, the thick smoke will directly endanger the safety of the helicopter, so the effect of this method is not ideal.

The above-mentioned escape plans also have two shortcomings. One is that they do not fully consider the stress response of the general population under high-rise fire conditions. For the vast majority of ordinary people who have not received fire protection training, the first reaction after encountering a fire in a high-rise building is to return to their own house and close the door. For fire-trained people, their escape instinct also drives them back to the room when the corridor is full of smoke. This is a problem that the life-saving elevator cannot solve. Secondly, for the self-fall escape system, it is difficult for an untrained person to tie the escape rope by himself, and then jump out of the window or balcony tens of meters or even hundreds of meters above the ground to escape.

Second, the current high-rise building escape device only considers the evacuation of personnel, but fails to consider the fire-fighting problem of high-rise buildings. In the event of a fire in a super high-rise building, the above-mentioned system can at best evacuate people, and the upper part of the building can only be engulfed by the fire.

Even the fire ladder truck, which is a standard equipment for fire protection, has certain shortcomings. First of all, the lifting height of the fire-fighting ladder truck is limited. For high-rise building fires that exceed the lifting height, the fire-fighting ladder truck is powerless. Secondly, a fire ladder truck can only lift one fire water gun, and the fire extinguishing efficiency is low; and when it is used for personnel escape, the fire ladder truck using the hydraulic working principle has a slow lifting speed and the personnel evacuation efficiency is not high enough. .

Third, high-rise buildings are generally concentrated in prosperous areas, and the fire-fighting ladder trucks with huge bodies often fail to arrive at the fire scene at the first time, and even delay the golden time for disaster relief.

SUMMARY OF THE INVENTION

In view of the deficiencies in the prior art, the technical problem to be solved by the present invention is to provide a life-saving device for high-rise buildings.

In order to solve the above-mentioned technical problems, the present invention is realized through the following scheme: a life-saving device for high-rise buildings, the life-saving device is installed on the wall of a non-window building, and includes an upper mounting frame, a lower mounting frame, a pulley device, and the pulley device is provided with Between the upper installation frame and the lower installation frame; the upper installation frame is installed on the roof of the building, and the outer side is provided with a driven wheel, and the lower installation frame is arranged on the ground, and the outer side is provided with a driving wheel, the difference between the driven wheel and the driving wheel. There is a non-deformable belt between the interlayers and a long boss is arranged on the wall between the driven wheel and the driving wheel, and the inner side of the belt is close to the side of the long boss;

The belt is provided with a pedal assembly for stepping on the vertical direction outward, the pedal assembly includes a main rod, an induction pad, and an armrest, the induction pad is arranged on the upper tread surface of the main pole, and the armrest is arranged on the main pole the lower end face;

The middle part of the driving wheel is connected with a damping device through the side of the connecting part, and the damping device is used to slow down the downward speed of the pulley device, which comprises a first component connected with the driving wheel and a second component arranged on the rear side of the first component;

The first component includes an outer casing, a rubber sleeve arranged in the outer casing, and a connecting portion. The left side of the connecting portion is a cylindrical shape with one end open, and the center of the outer side surface of the closed end at the other end is connected to the driving wheel through a shaft. , the cross section of the rubber sleeve is T-shaped, and a through hole is arranged in the middle. The part is inserted into the cylinder of the connecting part, and its outer wall is tightly squeezed with the inner wall of the cylinder;

The second assembly includes a propeller and a push rod, the push rod is connected to the driving part of the propeller, and is provided with a large-to-small diameter rod column in the outward direction from the connection. The through hole of the rubber sleeve is aligned, and the step-by-step rod column pushes the through hole of the rubber sleeve to increase the friction between the rubber sleeve and the cylinder of the connecting part.

Further, the propeller includes one of an oil pressure propeller and a cylinder propeller.

Further, the rubber sleeve is a wear-resistant and high-temperature resistant material.

Further, the raw materials used in the preparation of the rubber sleeve include the following components in parts by mass:

Polyurethane rubber 40-60;

20-30 parts of vinyl ester rubber;

1-3 parts of titanium oxide;

1-4 parts of zinc oxide;

Anti-aging agent 2-4 copies;

3-5 parts of nano zinc oxide;

Allenesiloxane 5-10;

Molybdenum disulfide 3-6.

Further, the antioxidant is rd.

Further, the pulley device is provided with a cover except for the descending side area.

Compared with the prior art, the beneficial effects of the present invention are: the life-saving device for high-rise buildings of the present invention adopts a pulley device, and a tread portion and a handrail are installed on the pulley device, and the escape personnel can slide down from one side of the pulley device through the tread portion and the handrail. , In the process of sliding down, the foot steps on the induction pad, the induction pad will sense that someone is escaping, and will send a signal to the controller, the controller will receive the signal and judge the number of people, and drive the push rod's advancing distance through the number of people. Since there are more people, the pressure on the pulley device will be greater, and enough friction force is required to prevent the pulley device from rotating too fast. It is too slow. Therefore, it is necessary to control the pushing distance of the push rod by judging the number of people. Since the push rod is provided with different diameters, the extrusion force on the rubber sleeve is different. larger, and the friction between the rubber sleeve and the connecting part is larger. The life-saving device for construction of the invention can quickly send personnel from the top floor to the ground, and has good escape effect.

Description of drawings

1 is a schematic diagram of the overall structure of the life-saving device of the present invention;

Fig. 2 is the structural schematic diagram of the damping device of the present invention;

3 is a schematic diagram of the connection relationship between the induction pad of the present invention, the controller and the thruster;

FIG. 4 is a schematic structural diagram of the pedal assembly of the present invention.

Detailed ways

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings, so that the advantages and features of the present invention can be more easily understood by those skilled in the art, and the protection scope of the present invention can be more clearly defined.

Please refer to the accompanying drawings 1-4, a kind of life-saving device for high-rise buildings of the present invention, the life-saving device is installed on the non-window building wall 1, including an upper mounting frame, a lower mounting frame, and a pulley device, and the pulley device is arranged on the upper Between the installation frame and the lower installation frame; the upper installation frame is installed on the building roof, the outer side is provided with a driven wheel 2, the lower installation frame is arranged on the ground, and the outer side is provided with a driving wheel 6, the driven wheel 2 and the driving wheel A non-deformable belt 5 is set between 6 and the wall between the driven wheel 2 and the driving wheel 6 is provided with a long boss 14, and the inner side of the belt 5 is close to the side of the long boss 14;

The belt 5 is provided with a pedal assembly for stepping on the vertical direction outward. The pedal assembly includes a main rod 4, a sensing pad 3, and a handrail 13. The sensing pad 3 is arranged on the upper tread surface of the main rod 4, so The handrail 13 is arranged on the lower end surface of the main rod 4;

The middle part of the driving wheel 6 is connected with a damping device through the side of the connecting part 11. The damping device is used to slow down the downward speed of the pulley device. two components;

The first component includes an outer casing 10, a rubber sleeve 9 disposed in the outer casing 10, and a connecting portion 11. The left side of the connecting portion 11 is a cylindrical shape with one end open, and the center of the outer side surface of the other closed end passes through. The shaft is connected to the drive wheel 6, the rubber sleeve 9 has a T-shaped cross-section, and a through hole is arranged in the middle. There is a slope, the column part of the rubber sleeve 9 is inserted into the cylinder of the connecting part, and its outer wall is tightly squeezed with the inner wall of the cylinder;

The second assembly includes a pusher 7 and a push rod 8, the push rod 8 is connected to the driving part of the pusher 7, and is provided with a large-to-small diameter rod column in the outward direction from the connection, so The push rod 8 is aligned with the through hole of the rubber sleeve 9 , and the step-by-step rod column pushes the through hole of the rubber sleeve 9 to increase the friction between the rubber sleeve 9 and the cylinder of the connecting portion 11 .

Preferred solution: the propeller 7 includes one of an oil pressure propeller and a cylinder propeller.

Preferred solution: the rubber sleeve 9 is a wear-resistant and high-temperature resistant material.

Preferred scheme: the raw materials used in the preparation of the rubber sleeve 9 include the following components by mass:

Polyurethane rubber 40-60;

20-30 parts of vinyl ester rubber;

1-3 parts of titanium oxide;

1-4 parts of zinc oxide;

Anti-aging agent 2-4 copies;

3-5 parts of nano zinc oxide;

Allenesiloxane 5-10;

Molybdenum disulfide 3-6.

Preferred scheme: the antioxidant is rd.

The life-saving device for high-rise buildings of the present invention adopts a pulley device, and a tread portion and a handrail are installed on the pulley device. The escape personnel can slide down from one side of the pulley device through the tread portion and the handrail. During the sliding process, the feet step on the induction pad. , the induction pad will sense that someone is escaping, and will send a signal to the controller. The controller will receive the signal and determine the number of people. The number of people will drive the push rod's advancing distance. Since the more people, the greater the pressure on the pulley device will be. , sufficient friction is required to prevent the pulley device from rotating too fast. On the other hand, in order to avoid the excessive friction between the pulley device and the damping device, the driving wheel rotates too slowly. Therefore, it is necessary to judge the number of personnel to control The pushing distance of the push rod, due to the different diameters set on the push rod, the extrusion force on the rubber sleeve is different. big. The life-saving device for construction of the invention can quickly send personnel from the top floor to the ground, and has good escape effect.

The connecting part and the rubber sleeve of the present invention also have a certain frictional force. When the push rod is not working, the frictional force between the connecting part and the rubber sleeve is sufficient for 1-5 people to use, and when 5 or more people stand on the pedal assembly at the same time , the controller will control the push rod to work, among which:

When 5-10 people use it at the same time, the front end of the push rod with the smallest diameter extends into the rubber sleeve, so that the friction between the connecting part and the rubber sleeve increases. big.

When 10-15 people use it at the same time, the second larger diameter of the push rod extends into the rubber sleeve, which increases the friction between the connecting part and the rubber sleeve. This friction force makes the pulley device descend at the same speed as that used by 1-2 people. no big difference.

By analogy, different damping devices are used according to the height of the floor.

The power supply uses the municipal power supply and the reserve power supply. It cannot be connected to the power supply in the building, so as to avoid the power failure of the building and the life-saving device will not work. The reserve power supply is when the municipal power supply does not supply power. The power supply can be charged with solar photovoltaic panels or the usual municipal power supply.

The life-saving device of the present invention can be used sustainably, is installed on a large wall without windows, and will not be directly affected by fireworks, thereby gaining time for the life-saving device to transport two people.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention. Any equivalent structure or equivalent process transformation made by using the contents of the description and drawings of the present invention, or directly or indirectly applied to other related All technical fields are similarly included in the scope of patent protection of the present invention.

Claims (4)

1. A lifesaving device for a high-rise building is arranged on a non-windowed building wall surface (1) and comprises an upper mounting frame, a lower mounting frame and a pulley device, wherein the pulley device is arranged between the upper mounting frame and the lower mounting frame; the upper mounting frame is mounted on a building balcony, a driven wheel (2) is arranged on the outer side of the upper mounting frame, the lower mounting frame is arranged on the ground, a driving wheel (6) is arranged on the outer side of the lower mounting frame, an undeformed belt (5) is sleeved between the driven wheel (2) and the driving wheel (6), a long boss (14) is arranged on a wall body between the driven wheel (2) and the driving wheel (6), and the inner side surface of the belt (5) is tightly attached to the side surface of the long boss (14);

the method is characterized in that:

a pedal assembly used for stepping is arranged in the outward vertical direction of the belt (5), the pedal assembly comprises a main rod (4), an induction pad (3) and a handrail (13), the induction pad (3) is arranged on the stepping surface at the upper end of the main rod (4), and the handrail (13) is arranged on the lower end surface of the main rod (4);

the middle part of the driving wheel (6) is connected with a damping device through a connecting part (11), the damping device is used for reducing the descending speed of the pulley device, and the damping device comprises a first component connected with the driving wheel (6) and a second component arranged on the rear side of the first component;

the first assembly comprises an outer shell (10), and a rubber sleeve (9) and a connecting part (11) which are arranged in the outer shell (10), wherein the left side of the connecting part (11) is in a cylindrical shape with one open end, the center of the outer side surface of the closed end of the other end of the connecting part is connected with a driving wheel (6) through a shaft lever, the cross section of the rubber sleeve (9) is in a T shape, the middle part of the rubber sleeve is provided with a through hole, the diameter of the through hole at the T-shaped column part is smaller, the joint of the through holes with different diameters is provided with an inclined plane, the column part of the rubber sleeve (9) is inserted into;

the second assembly comprises a propeller (7) and a push rod (8), the push rod (8) is connected to a driving part of the propeller (7), a step-level pole with the diameter from large to small is arranged on the push rod (8) in the direction from the connection part to the outside, the push rod (8) is aligned to a through hole of the rubber sleeve (9), and the step-level pole pushes the through hole of the rubber sleeve (9) to increase the friction between the rubber sleeve (9) and a cylinder of the connection part (11);

the rubber sleeve (9) is made of wear-resistant and high-temperature-resistant materials;

the rubber sleeve (9) is prepared from the following raw materials in parts by mass:

40-60 parts of polyurethane rubber;

20-30 parts of enoate rubber;

1-3 parts of titanium oxide;

1-4 parts of zinc oxide;

2-4 parts of an anti-aging agent;

3-5 parts of nano zinc oxide;

5-10 parts of allene siloxane;

3-6 parts of molybdenum disulfide.

2. A life saving device for high rise buildings as claimed in claim 1, wherein: the propeller (7) comprises one of an oil pressure type propeller and a cylinder propeller.

3. A life saving device for high rise buildings as claimed in claim 1, wherein: the anti-aging agent is rd.

4. A life saving device for high rise buildings as claimed in claim 1, wherein: the pulley device is provided with a housing except for a descending side area.

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