CN111840831A - High-rise fire-extinguishing and escaping method and high-rise fire-extinguishing and escaping equipment - Google Patents

Abstract

The invention relates to the field of fire fighting, escaping and fighting of high buildings, in particular to a fire extinguishing and escaping method for a high building and fire extinguishing and escaping equipment for the high building. The invention has simple structure, low cost, safety and reliability, and is not limited by the height of the building. When a fire disaster occurs, the fire extinguishing device can be timely provided for people, meanwhile, a plurality of vertical escape channels can be built around a high building, all people such as the old, the weak, the sick, the disabled, the pregnant women, the children and the like can quickly fall to a safe place, meanwhile, the transverse life-saving channels with different gradients can be transversely built at different heights, trapped people can be rescued and rescued, fire fighting personnel can be quickly sent to a fire point, the fire disaster can be timely controlled and extinguished, the fire loss is reduced, and the fire extinguishing device is a powerful supplement of the existing fire safety facility.

Description

High-rise fire-extinguishing and escaping method and high-rise fire-extinguishing and escaping equipment

Technical Field

The invention relates to the field of fire extinguishment, escape and fire control of high buildings, in particular to a method for extinguishing fire and escaping from high buildings and fire extinguishment and escape equipment for high buildings.

Background

At present, fire extinguishment and escape for high-rise buildings are a big problem in the world, although all high-rise buildings are provided with fire-fighting facilities and fire-fighting channels, the fire-fighting facilities and the fire-fighting channels are difficult to play a role in time due to uncertainty of fire, professional fire fighters are difficult to arrive at a fire scene at the first time when the fire occurs, and the fire scene staff are incapable of participating in fire extinguishment and rescue workers in time due to various condition limitations, so that the best rescue and fire extinguishment opportunity is missed, the fire situation cannot be controlled in time, and unnecessary staff injuries and property loss are caused.

Disclosure of Invention

The invention provides a high-rise fire-extinguishing and escaping method and high-rise fire-extinguishing and escaping equipment aiming at the actual situation of fire-extinguishing, escaping and fighting of the existing high-rise, so as to supplement and perfect the existing high-rise fire-fighting facilities.

The roof is provided with the fire extinguishing agent storage tank, and the fire extinguishing agent output pipe is preset at each part of the roof, so that when a fire disaster occurs, related personnel can take enough fire extinguishing tools to extinguish the fire in a short time, and the fire can be extinguished by enough fire extinguishing agents.

By utilizing the sprockets rolled on the roof, a plurality of vertically straightened sprocket tracks are quickly established outside the building wall from top to bottom, so that the escape personnel can timely land to a safe place on one hand, and the rescue personnel can quickly rise to a rescue position to rescue people and put out a fire on the other hand; the rescue personnel can also quickly rise to the positions near the rescue positions from the sprocket tracks at two different positions respectively, a light rescue channel made of fireproof cloth is transversely built, and the trapped personnel at different positions are rescued to escape, so that the whole building can be rescued and put out a fire in an all-round manner.

The invention relates to a fire extinguishing and escaping method for a high-rise building, which comprises the following steps:

arranging a fire extinguishing agent tank on the roof, rolling a fire extinguishing agent output pipe of the fire extinguishing agent tank on an output pipe bracket on the roof, and putting a fire extinguishing agent output pipe into a pull wire and an output valve pull wire from top to bottom to be arranged outside balconies and windowsill walls of all floors;

step two, arranging a sprocket retracting device at the roof, retracting the sprockets in the sprocket retracting device, and arranging the sprocket throwing pull wires outside the balcony and the windowsill wall of each floor from top to bottom;

step three, when a fire disaster occurs, a fire finder timely pulls the fire extinguishing agent output pipe to put in the pull wire, after the fire extinguishing agent output pipe is pulled to the hand from the roof, the pull wire of the output valve is pulled to face the fire, and the fire extinguishing agent is sprayed to the fire point;

step four, when a fire disaster happens, people on any floor pull the sprocket to put in the stay wire, the sprocket retracting device quickly extends out of the high-rise building wall, the sprocket is put on the ground from the top of the building, and a plurality of vertically straightened sprocket tracks are established outside the high-rise building wall;

fifthly, the escape personnel slowly descend to the ground along the sprocket track under the action of the weight of the escape personnel by using the meshing device;

sixthly, the rescue workers quickly ascend along the sprocket track under the action of an upward external force by using the meshing device to reach a rescue position, and the rescue workers are rescued to extinguish a fire;

and seventhly, the two groups of rescue workers respectively and quickly ascend to the positions near the rescue positions along the sprocket tracks at the two different positions by using the meshing devices, and a light slide way made of fireproof cloth is used for transversely building a rescue channel with gradient to rescue people and extinguish fire.

Wherein, the sprocket is a soft sprocket which can be rolled up and thrown in.

The zipper teeth are formed by superposing a plurality of straight racks with teeth formed on the side edges of the soft metal strips.

The chain teeth are formed by connecting and combining a plurality of sections of straight tooth racks with teeth on both sides in series through pin shafts.

The chain teeth are chain wheels and chains formed by connecting a plurality of chain plates in series through pin shafts.

The fire-extinguishing and escape equipment for the high-rise comprises a fire-extinguishing device and an escape device;

the fire extinguishing device comprises a fire extinguishing agent tank, the fire extinguishing agent tank is provided with a plurality of output ports, the output ports are provided with output valves, the output valves are provided with output valve pull wires, the outlets of the output valves are provided with rotary interfaces, the rotary interfaces are connected with hollow rotary shafts, the hollow rotary shafts are arranged on an output pipe support through bearings, the outlets of the hollow rotary shafts are connected with output pipes, the output pipes are wound on the hollow rotary shafts, the other ends of the output pipes are provided with manual control valves, the outlets of the manual control valves are provided with outlet pipes, and the outlet pipes are multi-section telescopic pipes; an output pipe throwing pull wire is arranged on the outlet pipe, an emergency bag is further arranged on the outlet pipe, and fire-fighting equipment is placed in the emergency bag;

the escape device comprises a roof fixed telescopic device, a sprocket retracting device, a descending brake device, a power ascending device, a standing platform and a fireproof cloth slideway;

the roof fixing and telescoping device comprises a fixing support, wherein a first fixed pulley, a second fixed pulley, a third fixed pulley and a metal belt wound on the first fixed pulley, the second fixed pulley and the third fixed pulley are arranged on the fixing support, one end of the metal belt is connected with a gravity iron block, the other end of the metal belt is connected with a sliding plate, the sliding plate is arranged in a sliding groove of the fixing support, a bolt hole is further formed in the fixing support, a bolt is arranged in the bolt hole, the bolt is connected with a pull wire, and a stop block and a balance weight iron block are further arranged on the fixing support;

the sprocket winding and unwinding device comprises a sprocket winding and unwinding support, a sprocket winding and unwinding wheel disc and a sprocket guide wheel are arranged on the sprocket winding and unwinding support, a pair of stop wheels are symmetrically arranged on a shaft of the sprocket winding and unwinding wheel disc, and the stop wheels are in hook connection with stop hooks arranged on the sprocket winding and unwinding support; the guide cable is wound on the guide cable take-up and pay-off wheel disc and the guide cable guide wheel, the other ends of the sprocket and the guide cable are connected with a gravity block together, a permanent magnet is arranged on the gravity block, and a ground fixing block is arranged on the ground corresponding to the gravity block;

the descending brake device comprises a descending brake support, a first driving gear is arranged on the descending brake support, first meshing gear sets are coaxially arranged on two sides of the first driving gear, a descending brake wheel is arranged at one end of a wheel shaft of the first driving gear through a one-way bearing, coaxial rotating impact blocks are arranged on two sides of the descending brake wheel, a rotation stopping block is arranged on the descending brake wheel, a synchronizing block is further arranged on the descending brake wheel, a brake stop block and a brake button are further arranged on the descending brake support, a first sprocket guide slide way is further arranged on the descending brake support, and a first positioning hole and a locking bolt are arranged on the edge of the descending brake support;

the power lifting device comprises a power lifting support, a second driving gear is arranged on the power lifting support, second meshing gear sets are coaxially arranged on two sides of the second driving gear, a power gear is further arranged on the power lifting support, and a hand lever is arranged on the power gear shaft; the power ascending support is further provided with a second sprocket guide slide way, and a first positioning pin and a locking buckle are arranged on the edge of the power ascending support.

The fireproof cloth slide way is a light slide way made of fireproof cloth, and fireproof lifesaving materials are placed in the fireproof cloth slide way.

The invention has the beneficial effects that:

the invention has novel structure, when a fire happens, the invention not only can provide fire extinguishing equipment for related personnel in time and extinguish the fire in time, but also can provide a safe and reliable escape channel for all personnel living in a high-rise building in an all-around way, and simultaneously can quickly send the personnel aiming at fire extinguishing to a fire point, control and eliminate the fire in the first time of fire, reduce the fire loss, and is a supplement of the existing fire-fighting facilities due to simple structure, low manufacturing cost and convenient maintenance.

Drawings

Fig. 1 is a schematic structural view of a high-rise fire-extinguishing escape device of the invention.

Fig. 2 is a schematic structural view of the escape device of the present invention.

Fig. 3 is a schematic structural view of the fire extinguishing apparatus of the present invention.

Fig. 4 is a schematic structural view of the roof fixing and telescoping device of the invention.

Fig. 5 is a schematic structural view of the sprocket retracting device of the present invention.

Fig. 6 is a schematic structural view of a drop brake device according to the present invention.

Fig. 7 is a schematic structural view of a braking portion of the drop braking device of the present invention.

Fig. 8 is a schematic structural view of a meshing gear set of the present invention.

Fig. 9 is a schematic structural view of a power lift device of the present invention.

Fig. 10 is a schematic structural diagram of the people standing platform of the invention.

Fig. 11 is a schematic view of a metal sheet rack structure according to the present invention.

Fig. 12 is a schematic structural view of a nodal straight rack gear of the present invention.

FIG. 13 is a schematic view of the sprocket rack configuration of the present invention.

The reference numerals in fig. 1 to 13 include:

1-fire extinguishing device 2-escape device

3-roof fixed telescopic device 4-sprocket retraction device

5-descending brake device 6-power ascending device

7-standing platform 8-fire extinguishing agent tank

9-outlet 10-outlet valve

11-output valve pull wire 12-rotary interface

13-hollow rotating shaft 14-output pipe support

15-output pipe 16-hand control valve

17-outlet pipe 18-output pipe throwing pull wire

19-emergency bag 20-fixed support

21-first fixed pulley 22-second fixed pulley

23-third fixed sheave 24-Metal Belt

25-gravity iron block 26-sliding plate

27-bolt 28-bolt even with pull wire

29-stop block 30-counterweight iron block

31-sprocket retraction bracket 32-sprocket retraction wheel disc

33-sprocket guide wheel 34-sprocket

35-rotation stopping wheel 36-rotation stopping hook

37-guide rope take-up and pay-off wheel disc 38-guide rope guide wheel

39-guide cable 40-clearance wheel

41-gravity ball 42-gap hook

43-gravity block 44-ground fixed block

45-descending brake support 46-first driving gear

47-first meshing gear set 48-descending brake wheel

49-rotation stop block 50-synchronization block

51-rotating impact block 52-brake block

53-brake button 54-first sprocket guide slideway

55-locking bolt 56-positioning hole

57-power lifting support 58-second driving gear

59-second meshing gear set 60-power gear

61-hand lever 62-second sprocket guide slideway

63-locking buckle.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention. The present invention is described in detail below with reference to the attached drawings.

The method for fire extinguishment and escape from high-rise building comprises the following steps:

arranging a fire extinguishing agent tank on the roof, rolling a fire extinguishing agent output pipe of the fire extinguishing agent tank on an output pipe bracket on the roof, and putting a fire extinguishing agent output pipe into a pull wire and an output valve pull wire from top to bottom to be arranged outside balconies and windowsill walls of all floors;

step two, arranging a sprocket retracting device at the roof, retracting the sprockets in the sprocket retracting device, and arranging the sprocket throwing pull wires outside the balcony and the windowsill wall of each floor from top to bottom;

step three, when a fire disaster occurs, a fire finder timely pulls the fire extinguishing agent output pipe to put in the pull wire, after the fire extinguishing agent output pipe is pulled to the hand from the roof, the pull wire of the output valve is pulled to face the fire, and the fire extinguishing agent is sprayed to the fire point;

step four, when a fire disaster happens, people on any floor pull the sprocket to put in the stay wire, the sprocket retracting device quickly extends out of the high-rise building wall, the sprocket is put on the ground from the top of the building, and a plurality of vertically straightened sprocket tracks are established outside the high-rise building wall;

fifthly, the escape personnel slowly descend to the ground along the sprocket track under the action of the weight of the escape personnel by using the meshing device;

sixthly, the rescue workers quickly ascend along the sprocket track under the action of an upward external force by using the meshing device to reach a rescue position, and the rescue workers are rescued to extinguish a fire;

and seventhly, the two groups of rescue workers respectively and quickly ascend to the positions near the rescue positions along the sprocket tracks at the two different positions by using the meshing devices, and a light slide way made of fireproof cloth is used for transversely building a rescue channel with gradient to rescue people and extinguish fire.

The sprocket described in this embodiment is a flexible sprocket that can be rolled up and dropped.

Specifically, the sprocket described in this embodiment is formed by stacking a plurality of straight racks with teeth formed on the side edges of the soft metal strips;

specifically, the present embodiment uses a rollable stainless steel strip, which is cut into teeth on both sides thereof by laser cutting, and then a plurality of strips are stacked together for use;

the sprocket described in this embodiment is formed by connecting and combining a plurality of sections of straight-tooth racks with teeth on both sides in series through a pin shaft.

The sprocket described in this embodiment is a sprocket chain formed by connecting a plurality of link plates in series by a pin shaft.

The fire-extinguishing and escaping equipment for the high-rise comprises a fire-extinguishing device 1 and an escaping device 2;

the fire extinguishing apparatus 1 of the embodiment comprises a fire extinguishing agent tank 8, wherein the fire extinguishing agent tank 8 is provided with a plurality of output ports 9, the output ports 9 are all provided with output valves 10, the output valves 10 are provided with output valve pull wires 11, the outlets of the output valves 10 are provided with rotary interfaces 12, the rotary interfaces 12 are connected with hollow rotating shafts 13, the hollow rotating shafts 13 are arranged on output pipe supports 14 through bearings, the outlets of the hollow rotating shafts 13 are connected with output pipes 15, the output pipes 15 are wound on the hollow rotating shafts 13, the other ends of the output pipes 15 are provided with manual valves 16, the outlets of the manual valves 16 are provided with outlet pipes 17, and the outlet pipes 17 are multi-section telescopic pipes; an output pipe throwing pull wire 18 is arranged on the outlet pipe 17, an emergency bag 19 is further arranged on the outlet pipe 17, and fire-fighting equipment is placed in the emergency bag 19;

specifically, a fire extinguishing agent tank 8 is arranged on the roof of a high-rise building, enough fire extinguishing agent is stored in the fire extinguishing agent tank 8, a plurality of output ports 9 of the fire extinguishing agent tank 8 are respectively communicated with positions needing fire prevention, all the output ports 9 are respectively provided with an output valve 10, the output valves 10 are connected with output valve pull wires 11, and the output valve pull wires 11 pass through all the floors from top to bottom;

specifically, the outlet of the output valve 10 is connected with the inlet of a hollow rotating shaft 13 through a rotary connector 12, the outlet of the hollow rotating shaft 13 is connected with an output pipe 15, and the output pipe 15 is wound on the hollow rotating shaft 13, so that the output pipe 15 can rotate along with the hollow rotating shaft 13;

specifically, the output end of the output pipe 15 is provided with a manual valve 16, an outlet pipe 17 is arranged at the outlet of the manual valve 16, and the outlet pipe 17 is sleeved together by adopting a plurality of sections of pipes, so that the outlet pipe 17 can be longer;

specifically, the output end of the output pipe 15 is further provided with an output pipe releasing stay wire 18, and the output pipe releasing stay wire 18 passes through all floors from top to bottom;

when a fire occurs, a fire extinguisher pulls an output pipe to put in a stay wire 18, the output pipe 15 is pulled to the position of the fire extinguisher, the length is determined to be enough, the fire extinguisher adds the outlet pipe 17 to a certain length according to the situation, then pulls an output valve stay wire 11 to open an output valve 10, a fire extinguishing agent fills the output pipe 15 under the pressure action, the fire extinguisher aligns the outlet pipe 17 to a fire point, and opens a manual control valve 16 to enable the fire extinguishing agent to face the fire point;

in particular, the extinguishing agent may also be water;

specifically, the fire fighter can open the emergency bag 19 pulled down together with the output pipe 15 according to actual needs to take needed articles.

The escape device 2 comprises a roof fixing and stretching device 3, a sprocket retracting device 4, a descending brake device 5, a power ascending device 6, a standing platform 7 and a fireproof cloth slideway;

specifically, the roof fixing and telescoping device 3 comprises a fixing support 20, wherein a first fixed pulley 21, a second fixed pulley 22, a third fixed pulley 23 and a metal belt 24 wound on the first fixed pulley 21, the second fixed pulley 22 and the third fixed pulley 23 are arranged on the fixing support 20, one end of the metal belt is connected with a gravity iron block 25, the other end of the metal belt is connected with a sliding plate 26, the sliding plate is arranged in a sliding groove of the fixing support 20, a bolt hole is further formed in the fixing support 20, a bolt 27 is arranged in the bolt hole, the bolt is connected with a pull wire 28, and a stop block 29 and a counterweight iron block 30 are further arranged on the fixing support;

specifically, the roof fixing and telescoping device 3 is placed on a balcony or a window or the roof corresponding to other positions, the pull wire 26 is installed at a user specified position of each layer from top to bottom, before a fire occurs, the gravity of the gravity iron block 25 is turned by the first fixed pulley 21, the second fixed pulley 22 and the third fixed pulley 23, the sliding plate 26 is pulled by the metal belt 24, and the sliding plate 26 is in a state of waiting to slide out due to the blocking of the bolt 27; when a fire occurs, personnel at any floor can pull the pull wire 26 to enable the bolt 27 to be separated from the bolt hole, and the sliding plate 26 blocked by the bolt moves outwards along the sliding groove of the fixed bracket 20 under the action of the gravity iron block 25, so that the sprocket retraction device 4 installed on the sliding plate 26 is driven to extend out of the building wall to a specified position.

Specifically, the use of the heavy iron counterweight 30 can avoid the trouble caused by installation of the equipment and reduce the influence on the building structure.

The sprocket retracting device 4 comprises a sprocket retracting support 31, a sprocket retracting wheel disc 32 and a sprocket guide wheel 33 are arranged on the sprocket retracting support 31, a pair of stop wheels 35 are symmetrically arranged on the shaft of the sprocket retracting wheel disc 32, the stop wheels 35 are hooked with a stop hook 36 arranged on the sprocket retracting support 31, sprockets 34 are wound on the sprocket retracting wheel disc 32 and the sprocket guide wheel 33, a guide rope retracting wheel disc 37 and a guide rope guide wheel 38 are further arranged on the sprocket retracting support 31, a gap wheel 40 is arranged on the shaft of the guide rope retracting wheel disc 37, a round hole is formed in the middle of the gap wheel 40, a gravity ball 41 is arranged in the round hole, a gap hook 42 is arranged on the sprocket retracting support 31 right below the gap wheel 40, and a semicircular guide groove is formed in the periphery of the gap wheel 40; the guide cable receiving and releasing wheel disc 37 and the guide cable guide wheel 38 are wound with a guide cable 39, the other ends of the sprocket 34 and the guide cable 39 are connected with a gravity block 43 together, a permanent magnet is arranged on the gravity block 43, and a ground fixing block 44 is arranged on the ground corresponding to the gravity block 43;

specifically, when the sprocket retraction device 4 fixed on the sliding plate 26 extends out of the wall to a certain position along with the sliding plate 26, the rotation stopping hook 36 touches the stop block 29, so that the rotation stopping hook 36 is separated from the rotation stopping wheel 35, under the action of the gravity block 43, the sprocket 34 and the guide rope 39 fall down along with the gravity block 43, the guide rope 39 drives the gap wheel 40 to rotate when falling, after the gap wheel 40 rotates for a half circle, the circular hole is hooked by the gap hook 42, the gap wheel 40 stops rotating suddenly, the gravity ball 41 arranged in the middle circular hole of the gap wheel 40 is at the highest position at the moment, and falls down from the circular hole under the action of inertia, the gap hook 42 is knocked off, so that the falling process of the free falling body is changed into intermittent falling, and the gravity block 43 is attracted with the ground fixing block 44;

specifically, friction plates are arranged on the shaft of the sprocket retracting wheel disc 32 and the shaft of the guide rope retracting wheel disc 37, so that the descending speed is reduced;

specifically, the length of the sprocket 34 and the guide cable 39 is just enough for the sprocket 34 and the guide cable 39 to be tensioned;

because the permanent magnet is arranged in the gravity block 43, the gravity block firmly attracts the ground fixing block 44, and the action of the positioning pin is matched, so that the sprocket 34 and the guide rope 39 cannot swing greatly when a person descends or ascends;

specifically, when a fire occurs, people on any floor pull the pull wire 26, a sprocket guide rail is automatically established from the top to the ground, and people can escape from the respective floor along the sprocket guide rail.

The descending brake device 5 comprises a descending brake support 45, wherein a first driving gear 46 is arranged on the descending brake support 45, first meshing gear sets 47 are coaxially arranged on two sides of the first driving gear 46, a descending brake wheel 48 is arranged at one end of a wheel shaft of the first driving gear 46 through a one-way bearing, coaxial rotating impact blocks 51 are arranged on two sides of the descending brake wheel 48, a rotation stopping block 49 is arranged on the descending brake wheel 48, a synchronizing block 50 is further arranged on the descending brake wheel, a brake block 52 and a brake button 53 are further arranged on the descending brake support 45, a first sprocket guide slideway 54 is further arranged on the descending brake support 45, and a first positioning hole 56 and a locking bolt 55 are arranged on the edge of the descending brake support 45;

the power ascending device 6 of the embodiment comprises a power ascending bracket 57, wherein a second driving gear 58 is arranged on the power ascending bracket 57, a second meshing gear set 59 is coaxially arranged on two sides of the second driving gear, a power gear 60 is further arranged on the power ascending bracket 57, and a hand lever 61 is arranged on a wheel shaft of the power gear 60; the power lifting support 57 is also provided with a second sprocket guide slideway 62, and the edge of the power lifting support is provided with a first positioning pin and a locking buckle 63;

specifically, when a fire occurs, the escape personnel takes out the descending brake device 5 and the power ascending device 6, the sprocket 34 is clamped between the first positioning hole 56 and the first positioning pin and is locked by the locking bolt 55 and the locking buckle 63, at the moment, the first driving gear 46 and the second driving gear 58 are respectively meshed with the sprocket 34, the first meshing gear set 47 is meshed with the second meshing gear set 59, two gear gaps of the first meshing gear set 47 and two gear gaps of the second meshing gear set 59 are in sliding fit with the sprocket 34 to clamp the sprocket 34, and meanwhile, the sprocket 34 is in sliding fit with the first rack guide slideway 54 and the second rack guide slideway 62 to form four-side sliding fit of the sprocket 34 with the descending brake device 5 and the power ascending device 6;

specifically, after the assembly is completed, the people standing platform 7 is fixed, the guide rope 39 is placed in the guide grooves of the descending brake device 5 and the power ascending device 6, and after all people wear safety belts, the people can stand on the people standing platform 7 to wait for descending;

specifically, the brake button 53 always presses the brake block 52 under the action of the elastic force, and can descend only after being manually lifted upwards, so that the occurrence of false operation is reduced;

specifically, after the brake button 53 is manually pulled up, under the action of the weight, the first driving gear 46 and the second driving gear 58 roll downwards along the sprocket 34 to drive the people standing platform 7 to descend;

specifically, when the first driving gear 46 rotates for one circle, under the action of the one-way bearing, the rotation stopping block 49 on the descending brake wheel 48 rotating along with the first driving gear 46 is hooked by the brake block 52, the descending is stopped, at this time, the coaxial rotating impact block 51 is already brought to the highest position by the synchronizing block 50, under the inertia effect, the rotating impact block 51 continues to rotate and rapidly impacts the brake block 52, the brake block 52 is impacted from the rotation stopping block 49, and the next descending process is started;

specifically, in the descending process, after the brake button 53 is manually released, the descending process is stopped, so that the descending can be stopped at any time in the descending process, collision among descending personnel is avoided, meanwhile, the descending process can also be stopped temporarily, and the personnel needing help are taken away;

specifically, when a person on a higher floor needs to be taken away, the person on the lower floor can flexibly use the hand rocker 61 to drive the first driving gear 46 and the second driving gear 58 to roll upwards along the sprocket 34 through the power gear 60 to help the person trapped above, and when the person ascends, the descending brake wheel 48 is coaxially connected through the one-way bearing, so that the brake structure does not play a role in braking when the person ascends.

Specifically, the descending brake device 5 decomposes the descending process into a reciprocating process of stopping, accelerating and stopping, and the descending brake wheel 48 does not rotate along with the shaft under the action of the one-way bearing when ascending, so that the ascending fire fighting of people is not affected.

Specifically, the axle of the first driving gear 46 and the axle of the second driving gear 58 are further provided with friction plates to increase friction force and make the descent more gradual.

In particular, the hand lever 61 can also be replaced by a direct current motor.

Particularly, under the combined action of the sprocket 34 and the two guide ropes 39, the lifting process is more stable, safe and reliable.

The fireproof cloth slide way is a light slide way made of fireproof cloth, and fireproof lifesaving materials are placed in the fireproof cloth slide way;

specifically, the fireproof cloth slide way can be inflated to form a heat insulation layer;

specifically, when a fire disaster occurs, besides alarming and asking for help, trained field security and management personnel can utilize the equipment to reversely face upwards at the first time to save people and rescue the fire;

specifically, managers such as security guards work according to actual conditions on site, when people are trapped at a position deviated from a vertical rescue channel, two groups of rescuers respectively pull one end of a fireproof cloth slide way, quickly ascend to the position of the trapped people at two sides between the trapped positions, then the two groups of rescuers respectively fix one end of the fireproof cloth slide way, and form a slide way with a certain gradient at the trapped people;

specifically, the rescuer can rope the safety belt well according to the actual situation of the site, or enter the trapped position through the slide way to rescue the trapped person, or guide the trapped person to enter the fireproof cloth slide way and slide to the person standing platform at the lower position.

The high-rise fire-extinguishing escape device further comprises an outer cover.

Although the present invention has been described with reference to the above preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims (6)

1. A fire-extinguishing and escaping method for high-rise buildings is characterized in that:

arranging a fire extinguishing agent tank on the roof, rolling a fire extinguishing agent output pipe of the fire extinguishing agent tank on an output pipe bracket on the roof, and putting a fire extinguishing agent output pipe into a pull wire and an output valve pull wire from top to bottom to be arranged outside balconies and windowsill walls of all floors;

step two, arranging a sprocket retracting device at the roof, retracting the sprockets in the sprocket retracting device, and arranging the sprocket throwing pull wires outside the balcony and the windowsill wall of each floor from top to bottom;

step three, when a fire disaster occurs, a fire finder timely pulls the fire extinguishing agent output pipe to put in the pull wire, after the fire extinguishing agent output pipe is pulled to the hand from the roof, the pull wire of the output valve is pulled to face the fire, and the fire extinguishing agent is sprayed to the fire point;

step four, when a fire disaster happens, people on any floor pull the sprocket to put in the stay wire, the sprocket retracting device quickly extends out of the high-rise building wall, the sprocket is put on the ground from the top of the building, and a plurality of vertically straightened sprocket tracks are established outside the high-rise building wall;

fifthly, the escape personnel slowly descend to the ground along the sprocket track under the action of the weight of the escape personnel by using the meshing device;

sixthly, the rescue workers quickly ascend along the sprocket track under the action of an upward external force by using the meshing device to reach a rescue position, and the rescue workers are rescued to extinguish a fire;

and seventhly, the two groups of rescue workers respectively and quickly ascend to the positions near the rescue positions along the sprocket tracks at the two different positions by using the meshing devices, and a light slide way made of fireproof cloth is used for transversely building a rescue channel with gradient to rescue people and extinguish fire.

2. The sprocket specially designed for implementing the second step is characterized in that: the sprocket is a soft sprocket which can be rolled up and thrown.

3. The sprocket as in claim 2, wherein: the sprocket is formed by superposing a plurality of straight racks with teeth formed on the side edges of the soft metal strips.

4. The sprocket as in claim 2, wherein: the chain teeth are formed by connecting and combining a plurality of sections of straight tooth racks with teeth on both sides in series through pin shafts.

5. The sprocket as in claim 2, wherein: the chain teeth are chain wheels and chains formed by connecting a plurality of sections of chain plates in series through pin shafts.

6. A fire-extinguishing and escaping device for high-rise buildings is characterized in that: comprises a fire extinguishing device and an escape device;

the fire extinguishing device comprises a fire extinguishing agent tank, the fire extinguishing agent tank is provided with a plurality of output ports, the output ports are provided with output valves, the output valves are provided with output valve pull wires, the outlets of the output valves are provided with rotary interfaces, the rotary interfaces are connected with hollow rotary shafts, the hollow rotary shafts are arranged on an output pipe support through bearings, the outlets of the hollow rotary shafts are connected with output pipes, the output pipes are wound on the hollow rotary shafts, the other ends of the output pipes are provided with manual valves, the outlets of the manual valves are provided with outlet pipes, and the outlet pipes are a plurality of sections of telescopic pipes; an output pipe throwing pull wire is arranged on the outlet pipe, an emergency bag is further arranged on the outlet pipe, and fire-fighting equipment is placed in the emergency bag;

the escape device comprises a roof fixed telescopic device, a sprocket retracting device, a descending brake device, a power ascending device, a standing platform and a fireproof cloth slideway;

the roof fixing and telescoping device comprises a fixing support, wherein a first fixed pulley, a second fixed pulley, a third fixed pulley and a metal belt wound on the first fixed pulley, the second fixed pulley and the third fixed pulley are arranged on the fixing support, one end of the metal belt is connected with a gravity iron block, the other end of the metal belt is connected with a sliding plate, the sliding plate is arranged in a sliding chute of the fixing support, a bolt hole is further formed in the fixing support, a bolt is arranged in the bolt hole, the bolt is connected with a pull wire, and a stop block and a balance weight iron block are further arranged on the fixing support;

the sprocket retracting device comprises a sprocket retracting support, a sprocket retracting wheel disc and a sprocket guide wheel are arranged on the sprocket retracting support, a pair of stop rotating wheels are symmetrically arranged on the shaft of the sprocket retracting wheel disc, and the stop rotating wheels are in hook connection with stop rotating hooks arranged on the sprocket retracting support; the guide cable is wound on the guide cable take-up and pay-off wheel disc and the guide cable guide wheel, the other ends of the sprocket and the guide cable are connected with a gravity block together, a permanent magnet is arranged on the gravity block, and a ground fixing block is arranged on the ground corresponding to the gravity block;

the descending brake device comprises a descending brake support, a first driving gear is arranged on the descending brake support, first meshing gear sets are coaxially arranged on two sides of the first driving gear, a descending brake wheel is arranged at one end of a wheel shaft of the first driving gear through a one-way bearing, coaxial rotating impact blocks are arranged on two sides of the descending brake wheel, a rotation stopping block is arranged on the descending brake wheel, a synchronizing block is further arranged on the descending brake wheel, a brake stop block and a brake button are further arranged on the descending brake support, a first sprocket guide slide way is further arranged on the descending brake support, and a first positioning hole and a locking bolt are arranged on the edge of the descending brake support;

the power ascending device comprises a power ascending bracket, a second driving gear is arranged on the power ascending bracket, second meshing gear sets are coaxially arranged on two sides of the second driving gear, a power gear is further arranged on the power ascending bracket, and a hand lever is arranged on the power gear shaft; the power ascending support is further provided with a second sprocket guide slide way, and a first positioning pin and a locking buckle are arranged on the edge of the power ascending support.

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