CN203379509U

CN203379509U - Descent control device

Info

Publication number: CN203379509U
Application number: CN201320351050.5U
Authority: CN
Inventors: 不公告发明人
Original assignee: Individual
Current assignee: Individual
Priority date: 2013-06-18
Filing date: 2013-06-18
Publication date: 2014-01-08
Anticipated expiration: 2023-06-18

Abstract

Disclosed is a descent control device. The volume of the descent control device is larger than 0.18 cubic meters, a first descent control rope enters the descent control device and extends out from the descent control device to form a second descent control rope, and lengths of the first descent control rope and the second descent control are larger than 8 meters.

Description

A kind of descending lifeline

Technical field

The application belongs to a kind of slow descending device.

Background technology

The second in the world high tower, the Russian Ao Sitanjinnuo television tower fire of 540 meters high, cause the program of each large TV station of Russia all to be broken, the communication disruption of all paging centers in Moscow and the Ministry of Internal Affairs, Moscow first-aid system, 4 people are trapped in elevator dead, and many people are injured, TV Tower Structures is seriously damaged, make a stir all over the world, the fire of skyscraper is all drawing people's sight line always, but the integrity problem of Fire lift is more worth thinking deeply about when fire.The act arm truck that also has existing fire-extinguishing and lifesaving to adopt, generally can implement 53 meters high fire attacks and rescue the people, be about as much as the height of 15 layers, once 15th floors above high-rise breaking out of fires, except carrying the water band on foot, put out a fire upstairs, in the time of more, firefighters can only hope " fire " to heave a sigh, and let alone rescues the people upstairs.The limit of having ascended a height of fire control aerial ladder vehicle, usually fire control aerial ladder vehicle can only rise to 80% left and right of limit value, if surface wind reaches 4 to 5 grades, the fire control aerial ladder vehicle operation that just can't raise.Once such skyscraper more than 50 meters is on fire or have personnel stranded, aerial ladder just is difficult to play a role, the ordinary circumstance trapped personnel can only self-dependent ability be escaped, and the fire fighting device of part skyscraper is incomplete, Door for fire hydrant exists by the resident and the various phenomenons such as blocks with foreign material, brings resistance to especially the fire fighting escape.In a word, traditional high-rise life saving, elevator is forbidden and is dangerous, walks stair and exists by the danger of the intensity of a fire and dense smoke blocking-up.Also have various descending lifelines, the escape apparatus of current existing self-help escape to have dangerous, unsettled problem, also there is obstacle at heart in the user in the use, extensively promote descending lifeline and also have many problems, for example the hook of the repair and maintenance problem of the storage problem of the safety issue of the quality problems of descending lifeline, descending lifeline, descending lifeline, descending lifeline, descending lifeline affects the frightened psychological problems used of problem, user that indoor aesthetic problem, descending lifeline install and use and all causes the family or the user that buy descending lifeline few.During breaking out of fire, even the user has prepared descending lifeline, but still have problems while using, the user need install to fix descending lifeline and connect and dress safety belt within very short time, this is a challenge to the user and easily makes mistakes, when the special problem existed is breaking out of fire, we are escaped by often descending lifeline being fixed on to window side or balcony, at this moment fire fighting truck downstairs can be concentrated facing to window or balcony sprinkling fire, and most of descending lifelines or escape apparatus are the most water funk infiltrations of friction-type, the infiltration of water can reduce friction and cause the inefficacy of descending lifeline or escape apparatus, while also having breaking out of fire flame usually outside window or the balcony extension spread, the high temperature of flame can make descending lifeline or escape apparatus lose efficacy equally.Along with the increase of building height and day by day intensive, the potential safety hazard of building is also more and more, under the critical situation such as breaking out of fire, the effective escape means of people are considerably less, and the means of fire-extinguishing and lifesaving and lifesaving are highly restricted, nowadays the effective ways of researching and developing the high-rise building life saving escape become urgent problem, and we are badly in need of effective fire in high buildings rescue run means.

Summary of the invention

The application's purpose is to provide a kind of slow descending device of building escape, when breaking out of fire or earthquake or other need to leave building in time, described building can provide a kind of slow descending device, allows the people flee from ground or security platform or other floor from high building safely in time.

For achieving the above object, the application adopts following technical scheme:

A kind of descending lifeline, described descending lifeline volume is greater than 0.18 cubic metre, there is the slow rope one that falls to enter in described descending lifeline and from described descending lifeline and extend out and form the slow rope two that falls, the above-mentioned slow gentle length of falling rope two of rope one of falling is greater than 8 meters, it is above-mentioned that slow to fall the gentle each point fallen on rope two of rope one are all the tie points that are connected with user's safety belt, after above-mentioned descending lifeline is arranged on building surface layer or refuge story, above-mentionedly slow fall that rope one is gentle to fall that rope two can be moved and provide use under throw on the window limit of the exterior wall of building or balcony limit, when the user has dressed safety belt and fallen rope one or delay to fall after rope two is connected and can jump off downwards under the effect at descending lifeline with 0.5 meter decline of the safety speed to 1.8 meters of per seconds of per second with slow by window or balcony, because the slow rope one that falls descends and simultaneously slowly falls rope two and will rise, perhaps slowly fall that rope two is slow while descending to fall rope one and will rise, so the escape personnel just can be used alternatingly and above-mentionedly slow fall that rope one is gentle to fall rope two and reach the purpose that continuous continuous lifesaving descends safely, , above-mentioned descending lifeline volume is greater than 0.18 cubic metre, because space on roofing or on refuge story is large, be greater than 0.18 square metre so can design the volume of descending lifeline, in the descending lifeline inside of this larger volume, can carry out reasonably, reliably, the design of insurance, as strengthen thickness and the width of the friction plate in descending lifeline, or be provided with two covers or overlap friction plate more in descending lifeline, or carry out the design of the slow descending mechanism of other form,

It is wherein, described that slow to fall the gentle any point of falling rope two of rope one are all the tie points that are connected with user's safety belt;

Wherein, describedly slow fall rope one or describedly slowly fall that rope two dishes roll up or a branch of;

Wherein, described slow length of falling rope one is the twice of slow length of falling rope two or more than twice;

Wherein, described slow rope one or the described slow end that falls rope two of falling is provided with and only stops male member;

Wherein, on the housing of described descending lifeline, be fixedly connected with arming lanyard, the length of described arming lanyard is greater than 5 meters;

Wherein, include independently slow descending mechanism one and independently slow descending mechanism two in described descending lifeline, the slow descending mechanism of described descending lifeline adopts one of following scheme:

Adopt reciprocating descent control device, above-mentioned reciprocating descent control device extends described slow rope one and the described slow rope two that falls of falling;

Adopt reciprocating descent control device, above-mentioned reciprocating descent control device extends described slow rope one and the described slow rope two that falls of falling, the above-mentioned slow end that falls rope one falls with slow the slow rope that falls that rope two was fixedly connected with and formed same circulation, and the slow rope that falls of above-mentioned circulation all can be by described descending lifeline deceleration;

Wherein, describedly slow fall rope one or describedly slowly fall rope two and be connected with user's safety belt by grabbing rope device at described tie point place;

Wherein, the safety belt that the user dresses is fixedly connected on described slow fall rope one or slow falling on rope two by the described rope device of grabbing, and the described rope device of grabbing adopts one of following manner:

The above-mentioned rope device of grabbing comprises movable slider, fixing slide block, above-mentioned fixedly slide block is fixed on the housing of grabbing rope device, movable slider is movably arranged on the housing of grabbing rope device, described safety belt is connected with above-mentioned housing of grabbing rope device, the described slow hole that rope can be put into above-mentioned movable slider side that falls, above-mentioned movable slider can enter to insert fixedly and clamp the slow rope that falls in slide block, movable slider is provided with parallel inclined-plane with fixing slide block, in above-mentioned movable slider can slip into fixedly slide block along above-mentioned inclined-plane, clamped the above-mentioned slow rope that falls when fixedly slide block is exerted pressure to movable slider by inclined-plane,

The above-mentioned rope device of grabbing is an openable snap ring, describedly slow fall rope and is provided with male member every a segment distance, and the inside diameter of above-mentioned snap ring is less than the outer dia of above-mentioned male member;

The above-mentioned rope device of grabbing is catching device or dropping preventer;

Above-mentioned lifting device or 8 word ring or the drop devices of rope device for rock-climbing use of grabbing;

Above-mentioned grab rope device comprise one with outer straight flange or with the becket of wave-like, a rope sling, the user can be close together the outside of the outer straight flange of above-mentioned becket or wave-like use above-mentioned rope sling to be wound around the above safety belt of tiing a knot and dressing with the user of 3 circle and is connected with the slow rope that falls;

A kind of descending lifeline, described descending lifeline volume is greater than 0.18 cubic metre, there is the slow rope that falls of circulation enter in described descending lifeline and extend out from described descending lifeline, the slow length of falling rope of above-mentioned circulation is greater than 16 meters, above-mentioned descending lifeline volume is greater than 0.18 cubic metre, because space on roofing or on refuge story is large, be greater than 0.18 square metre so can design the volume of descending lifeline, in the descending lifeline inside of this larger volume, can carry out reasonably, reliably, the design of insurance, as strengthen thickness and the width of the friction plate in descending lifeline, or be provided with two covers or overlap friction plate more in descending lifeline, or carry out the design of the slow descending mechanism of other form, the slow each point fallen on rope of above-mentioned circulation is all the tie points that are connected with user's safety belt, after above-mentioned descending lifeline is arranged on building surface layer or refuge story, above-mentioned circulation slow falls that rope can be moved and provide use under throws on the window limit of the exterior wall of building or balcony limit, when the user has dressed safety belt and can jump off downwards under the effect at descending lifeline with 0.5 meter decline of the safety speed to 1.8 meters of per seconds of per second with slow the falling after rope is connected of circulation by window or balcony, because the slow rope that falls of circulation is capable of circulation by above-mentioned descending lifeline, so the user just can be used alternatingly or use continuously the slow of above-mentioned circulation fall the vertical fallen two parts of rope and descend safely,

Wherein, include independently slow descending mechanism one and independently slow descending mechanism two in described descending lifeline;

Wherein, the slow any point of falling rope of described circulation is all the tie points that are connected with user's safety belt;

Wherein, described descending lifeline is arranged on roofing layer or refuge story or the intermediate floor of building.

After adopting technique scheme, because descending lifeline is arranged on the roofing of building or on refuge story, because space on roofing or on refuge story is large, be greater than 0.18 square metre so can design the volume of descending lifeline, in the descending lifeline inside of this larger volume, can carry out reasonably, reliably, the design of insurance, as strengthen thickness and the width of the friction plate in descending lifeline, or be provided with two covers or overlap friction plate more in descending lifeline, or carry out the design of the slow descending mechanism of other form, this has broken through in the past this area designer and it has been generally acknowledged that descending lifeline answers the inertial thinking of Miniaturization Design, because existing descending lifeline is normally used and to design for meeting specific user, normally by the user, take out and hang over the opening side that window is other or balcony is other or exterior wall is external use is provided, so the designer just forms the thinking inertia of small design for meeting the convenience of using, to design safe descending lifeline be in the descending lifeline housing of small size have circumscribed, and to design more insurance in volume is greater than the descending lifeline housing of 0.18 square metre, safer descending lifeline is fully possible.After above-mentioned descending lifeline is arranged on building surface layer or refuge story, above-mentionedly slow fall that rope one is gentle to fall that rope two can be moved and provide use under throw on the window limit of the exterior wall of building or balcony limit, when the user has dressed safety belt and fallen rope one or delay to fall after rope two is connected and can jump off downwards under the effect at descending lifeline with 0.5 meter decline of the safety speed to 1.8 meters of per seconds of per second with slow by window or balcony, because the slow rope one that falls descends and simultaneously slowly falls rope two and will rise, perhaps slowly fall that rope two is slow while descending to fall rope one and will rise, so the escape personnel just can be used alternatingly and above-mentionedly slow fall that rope one is gentle to fall rope two and reach the purpose that continuous continuous lifesaving descends safely, slow fall the gentle length of falling rope two of rope one to be greater than 8 meters be to meet the basic demand that two-layer above building safety is escaped.Slow while falling rope when what use circulation, above-mentioned circulation slow falls that rope can be moved and provide use under throws on the window limit of the exterior wall of building or balcony limit, when the user has dressed safety belt and can jump off downwards under the effect at descending lifeline with 0.5 meter decline of the safety speed to 1.8 meters of per seconds of per second with slow the falling after rope is connected of circulation by window or balcony, because the slow rope that falls of circulation is capable of circulation by above-mentioned descending lifeline, so the user just can be used alternatingly or use continuously the slow of above-mentioned circulation fall the vertical fallen two parts of rope and descend safely, it is the basic demands that meet two-layer above building safety escape that the slow length of falling rope of circulation is greater than 16 meters.

The accompanying drawing explanation

Fig. 1 is the stravismus schematic diagram that the application the first embodiment is arranged on building roof;

Fig. 2 is the local enlarged diagram that the application the first embodiment is arranged on roofing;

The slow schematic diagram fallen after rope falls along exterior wall that Fig. 3 is the application's the first embodiment circulation;

The generalized section of overlooking from the top down that Fig. 4 is the application the second embodiment;

Fig. 5 is the schematic top plan view that the application the second embodiment is arranged on roofing;

The specific embodiment

As shown in Figure 1, Fig. 1 is the stravismus schematic diagram that the application the first embodiment is arranged on building roof, the escape system of described building comprises the top layer that is arranged on described building or the control stay cord of intermediate floor, slow rope 5, the descending lifeline 3 of falling of circulation, the slow length of falling rope of above-mentioned circulation is greater than 10 meters, pull the controlled slow rope 5 that falls that sets up coil or the folding circulation of putting up of above-mentioned control stay cord to hang along the outside of exterior wall, being extended out by descending lifeline 3 of rope 5 falls in above-mentioned circulation slow.Be provided with the rope releasing device on roofing layer, above-mentioned rope releasing device is comprised of control system, driving mechanism, executing agency, above-mentioned executing agency is a manipulator 2, driving mechanism adopts motor or hydraulic mechanism or air pressure mechanism, control system comprises and is arranged in motor or the control circuit in the outside, the power-on switch is connected with the control circuit of motor, the control stay cord that is connected with the moving contact of power-on switch, holds the control stay cord and is arranged on outward built-in pipe from top to bottom within the walls.Above-mentioned control stay cord changes direction by rotating disk and extends to from top to bottom in the switch box body of intermediate floor in the perforate space of the exterior wall of described building or built-in pipe, and the user of intermediate floor can open the switch box body and pull and control stay cord and make power-on switch closed and manipulator 2 is rotated by the setting program of control circuit.

Be provided with the slow rope 5 that falls of the volume circulation extended out in manipulator 2, descending lifeline 3, descending lifeline 3 on the roofing of building 1 as shown in Figure 1, when needed, manipulator 2 can be grabbed the slow slow rope 5 that falls that falls rope 5 and move to the outside release cycle of exterior wall of taking circulation, and the slow rope 5 that falls of circulation gets off to provide use along other the hanging from top to bottom of window 6.

During use, the user of intermediate floor pulls above-mentioned control stay cord can allow the power-on switch closure switch on and manipulator 202 is moved by control program, when this just can realize breaking out of fire, the user can open the switch box body that is arranged on the opening side that window is other or balcony is other or external and pull the control stay cord to make the closed energising of power-on switch, manipulator 2 grabs by the program of setting the slow slow rope 5 that falls that falls rope 5 and move to the outer rear flank release cycle of exterior wall of picking up circulation, above-mentioned circulation slow falls rope 5 and just can hang and be discharged into intermediate floor use is provided, the user just can connect by window as shown in Figure 1 the slow rope 5 that falls that fastens the above-mentioned circulation hung and also jump out downwards, like this user just can be under the traction of descending lifeline 3 safe falling.

As shown in Figure 2, Fig. 2 is the local enlarged diagram that the application the first embodiment is arranged on roofing, the escape system of described building comprises slow rope 5, the descending lifeline 3 of falling of the top layer that is arranged on described building or the control stay cord 12 of intermediate floor, circulation that coil or folding, pull the controlled slow rope 5 that falls that sets up coil or the folding circulation of putting up of above-mentioned control stay cord 12 to hang along the outside of exterior wall, a slow end that falls rope 5 of above-mentioned that coil or folding circulation is extended out by descending lifeline 3.Be provided with descending lifeline 3 and rope releasing device on the roofing layer of described building, above-mentioned rope releasing device comprises control system, driving mechanism, executing agency, above-mentioned driving mechanism adopts motor to drive, above-mentioned executing agency adopts manipulator 2, above-mentioned control system comprises the control cabinet 9 that is provided with control circuit, the energising circuit 11 of control circuit, power-on switch 15 on energising circuit 11, the control stay cord 12 be connected with the moving contact 10 of power-on switch 15, above-mentioned control stay cord 12 is arranged in built-in pipe 13 and is extended from top to bottom by roofing layer, built-in pipe 13 is embedded in the body of wall of external wall and extends from top to bottom from roofing layer, built-in pipe 13 is connected with switch box body 8 at each intermediate floor place, above-mentioned built-in pipe 13 blocks at above-mentioned switch box body 8 places, switch box body 8 is provided with openable lid 7 on the surface of body of wall, above-mentioned power-on switch 15 is arranged on roofing layer, the actuating mechanism of power-on switch 15 is 10 of moving contacts, moving contact 10 is connected with an end of above-mentioned control stay cord 12, controlling stay cord 12 extends and extends in the switch box body of above-mentioned each intermediate floor to each intermediate floor by built-in pipe 13 within the walls being arranged on downwards from roofing layer and extend into as shown in Figure 2 in the switch box body 8 of top layer building, opening above-mentioned lid 7 can pull to control stay cord 12 and drive above-mentioned moving contact 10 and make circuit 11 energisings that make to switch on of power-on switch 15 closures, so just started the control circuit in control cabinet 9 and made manipulator 2 follow procedure actions, manipulator 2 can be grabbed the slow rope 5 that falls of picking up circulation and be moved to the outside of exterior wall the slow rope 5 that falls of release cycle, the slow rope 5 that falls of circulation just can fall along the outside of exterior wall and extend to from top to bottom by the window of each floor, circulation slow falls rope 5 and may extend into that top window 6 is other provides use as shown in Figure 2, the user just can connect by window 6 as shown in Figure 2 the slow rope 5 that falls that fastens the above-mentioned circulation hung and also jump out downwards, like this user just can be under the traction of descending lifeline 3 safe falling.The slow rope that falls of above-mentioned descending lifeline 3 extends the slow rope 5 that falls that a volume circulates from descending lifeline 3, but the slow rope 5 that falls of the intermediate floor controlled circulation of described building releases from top to bottom use is provided along the exterior wall side, the slow rope 5 that falls of described circulation releases by the window that extends to intermediate floor or provides use by balcony or by building external opening, the slow rope 5 that falls of above-mentioned circulation is steel wire rope, and circulation slow falls rope 5 and brush fireproof paint is arranged.

The scheme of another above-mentioned control system also can be done following design: above-mentioned control system comprises the control cabinet 9 that is provided with control circuit, the energising circuit 11 of control circuit, power-on switch 15 on energising circuit 11, above-mentioned energising circuit 11 is arranged in built-in pipe 13 to be extended to from top to bottom in the switch box body of intermediate floor and to be connected the circuit 11 of for example switching on power-on switch by roofing layer and extends to that the other switch box body of top window 08 is interior to be connected with power-on switch 15, that is to say and be set to the power-on switch 15 shown in Fig. 2 in the switch box body of uppermost storey and intermediate floor and be connected in the control cabinet 9 that extends to roofing layer or refuge story on the live wire road direction or energising circuit 11 directly is connected with the control circuit of the manipulator 2 that is set with control program.During use, the user of intermediate floor presses the power-on switch 15 in above-mentioned switch box body 8, can allow power-on switch 15 closures switch on and manipulator 2 is moved by control program, when this just can realize breaking out of fire, the user can open and be arranged on that window is other or balcony other or switch box body 8 that external opening is other press the power-on switch 15 closed energising of circuit 11 that makes to switch on, manipulator 2 grabs by the program of setting the slow slow rope 5 that falls that falls rope 5 and move to the outer rear flank release cycle of exterior wall of picking up circulation, above-mentioned circulation slow falls rope 5 and just can hang and be discharged into intermediate floor use is provided, the user just can connect by window as shown in Figure 1 the slow rope 5 that falls that fastens the above-mentioned circulation hung and also jump out downwards, like this user just can be under the traction of descending lifeline 3 safe falling.

Above-mentioned built-in pipe 13 is embedded in the body of wall of external wall and extends from top to bottom from roofing layer, built-in pipe 13 is connected with switch box body 8 at each floor place, above-mentioned built-in pipe 13 blocks at above-mentioned switch box body 8 places, and switch box body 8 is provided with openable lid 7 on the surface of body of wall.

As shown in Figure 3, the slow schematic diagram fallen after rope falls along exterior wall that Fig. 3 is the application's the first embodiment circulation, when lid that the user opens the switch box body of intermediate floor pulls and controls stay cord in the switch box body, make the to switch on circuit energising of the moving contact closure of above-mentioned power-on switch, so just started the control circuit in control cabinet and made manipulator 2 follow procedure actions, manipulator 2 can be grabbed the slow rope 5 that falls of picking up above-mentioned circulation and be moved to the outside of the exterior wall of building 1 the slow rope 5 that falls of release cycle, circulation slow fall rope 5 just can along the outside of exterior wall fall and extend to from top to bottom the window of each floor by use is provided, circulation slow falls rope 5 and may extend into that the other or window other intermediate floor of top window 6 is other provides use as shown in Figure 1, the user just can connect by window as shown in Figure 1 the slow rope 5 that falls that fastens the above-mentioned circulation hung and also jump out downwards, like this user just can be under the traction of descending lifeline 3 safe falling.The slow length of falling rope 5 of above-mentioned circulation is not less than the twice of building 1 height or is about the twice of building 1 height.

The slow rope 5 that falls of above-mentioned circulation is from the residing roofing layer of above-mentioned manipulator 2 hangs, the user of the floor of above-mentioned manipulator 2 belows can be recycled or is used alternatingly the other slow gentle rope 92 that falls of rope 91 that falls of opening that the window that appears at building is other or balcony other or exterior wall is external, and above-mentioned slow to fall the gentle rope 92 that falls of rope 91 be all that two vertical components that rope 5 hangs downwards after extending fall in circulation slow.

As shown in Figure 4, the generalized section of overlooking from the top down that Fig. 4 is the application the second embodiment, slow descending device 25 comprises descending lifeline 26, wire-wound rotary disc 30, flywheel 28, housing 29, descending lifeline 26 is fixedly installed on housing 29, wire-wound rotary disc 30 is arranged on housing 29 by bearing, be provided with flywheel 28 on wire-wound rotary disc 30, there is the slow rope 31 that falls enter in described descending lifeline 26 and extend out and form the slow rope 32 that falls from the opening of described descending lifeline 26 from the opening of described descending lifeline 26, the above-mentioned slow slow rope 37 that falls that rope 32 coiled rear formation one volume of wire-wound rotary disc 30 that falls, the above-mentioned slow slow rope 36 that falls that falls rope 31 formation one volume from descending lifeline 26 extends out, above-mentioned slow rope 31 falls or the slow rope 32 that falls can drive above-mentioned wire-wound rotary disc 30 and rotates, above-mentioned wire-wound rotary disc 30 is provided with rotary body, pull above-mentioned delaying to fall rope 31 or pull the above-mentioned slow rope 32 that falls can drive wire-wound rotary disc 30 rotations under the effect of frictional force, flywheel driven 28 rotates simultaneously, just can solve the uncomfortable sensation of user's weightlessness while jumping under the effect of flywheel 28.The above-mentioned slow rope 31 that falls changes direction by anticreep pulley 27, the above-mentioned slow rope 32 that falls coiled wire-wound rotary disc 30 and was less than 360 degree, be provided with anticreep pulley 33 on housing 29 and hold and slow fall rope 31 and pass through, be provided with anticreep pulley 35 on housing 29 and hold and slowly fall rope 32 and pass through.

As shown in Figure 5, Fig. 5 is the schematic top plan view that the application the second embodiment is arranged on roofing, be fixedly installed the slow descending device 25 of the second embodiment of the application on the roofing of building 38, also be provided with mechanical arm 50 on the roofing of building 38, the supporting plate 52 of mechanical arm 50 can be controlled and be rotated around rotating shaft 51, when mechanical arm 50 rotate to building 38 exterior wall outer after, mechanical arm 50 can rotate and allow around rotating shaft 39 and be arranged on slow on supporting plate 52 and fall rope 36 and ease up and fall rope 37 and hang along exterior wall.Above-mentionedly from the extended volume of slow descending device 25 is slow, fall rope 36 and a volume is slow falls rope 37 and be arranged on supporting plate 52, at mechanical arm 50, rotate to the outer process of exterior wall of building 38, be arranged on slow on supporting plate 52 and fall rope 36 and ease up and fall rope 37 and can unfold and pull open.

Claims

1. a descending lifeline, it is characterized in that: described descending lifeline volume is greater than 0.18 cubic metre, have the slow rope one that falls to enter in described descending lifeline and from described descending lifeline and extend out and form the slow rope two that falls, the above-mentioned slow gentle length of falling rope two of rope one of falling is greater than 8 meters.

2. descending lifeline as claimed in claim 1 is characterized in that: described slow to fall the gentle any point of falling rope two of rope one are all the tie points that are connected with user's safety belt.

3. descending lifeline as claimed in claim 1 is characterized in that: describedly slowly fall rope one or describedly slowly fall that rope two dishes roll up or a branch of.

4. descending lifeline as claimed in claim 1 is characterized in that: described slow length of falling rope one is the twice of slow length of falling rope two or more than twice.

5. descending lifeline as claimed in claim 1 is characterized in that: described slow rope one or the described slow end that falls rope two of falling is provided with and only stops male member.

6. descending lifeline as claimed in claim 1, it is characterized in that: be fixedly connected with arming lanyard on the housing of described descending lifeline, the length of described arming lanyard is greater than 5 meters.

7. descending lifeline as claimed in claim 1, is characterized in that: include independently slow descending mechanism one and independently slow descending mechanism two in described descending lifeline.

8. a descending lifeline, it is characterized in that: described descending lifeline volume is greater than 0.18 cubic metre, has the slow rope that falls of circulation enter in described descending lifeline and extend out from described descending lifeline, and the slow length of falling rope of above-mentioned circulation is greater than 16 meters.

9. descending lifeline as claimed in claim 8, is characterized in that: include independently slow descending mechanism one and independently slow descending mechanism two in described descending lifeline.

10. descending lifeline as claimed in claim 8, it is characterized in that: the slow any point of falling rope of described circulation is all the tie points that are connected with user's safety belt.