WO2008141553A1 - Appareil flottant pour gratte-ciel - Google Patents

Appareil flottant pour gratte-ciel Download PDF

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Publication number
WO2008141553A1
WO2008141553A1 PCT/CN2008/070705 CN2008070705W WO2008141553A1 WO 2008141553 A1 WO2008141553 A1 WO 2008141553A1 CN 2008070705 W CN2008070705 W CN 2008070705W WO 2008141553 A1 WO2008141553 A1 WO 2008141553A1
Authority
WO
WIPO (PCT)
Prior art keywords
transmission
life preserver
hole
ratchet wheel
lifeline
Prior art date
Application number
PCT/CN2008/070705
Other languages
English (en)
Chinese (zh)
Inventor
Wanyu Liu
Original Assignee
Wanyu Liu
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wanyu Liu filed Critical Wanyu Liu
Publication of WO2008141553A1 publication Critical patent/WO2008141553A1/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00—Devices for lowering persons from buildings or the like
    • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/08—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys
    • A62B1/10—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brake mechanisms for the winches or pulleys mechanically operated

Definitions

  • the invention relates to a lifesaving slow down device, in particular to a high building life preserver.
  • the current high-rise life-saving devices use life-saving ropes to take the user from the high-rise to the bottom or the safe area in a uniform speed.
  • the uniform speed insurance mechanism that controls the speed of the rope is roughly divided into the following three types: hydraulic technology, centrifugal friction technology, and manual brake technology.
  • the existing volume is large, generally 300mm in diameter, and the weight is heavy. Because of the escape mode of one person and one rope, the escape rate of the high-rise life preserver is low, and it cannot adapt to the actual situation of many high-rise building personnel. Most of the existing uniform speed insurance mechanisms that control the speed of the rope release require regular maintenance and maintenance, and have certain requirements on the use environment, so the safety of the product itself is low.
  • the hydraulic safety technology of the uniform speed insurance mechanism is equipped with hydraulic oil, oil seal, oil valve, piston rod, etc. If it is left for too long, there will be problems such as deterioration of hydraulic oil, aging of oil seal, oil valve sticking, and piston rod corrosion.
  • a uniform speed insurance mechanism using centrifugal friction technology or manual brake technology is internally provided with a brake pad or a centrifugal block.
  • the brake pad and the centrifugal block are sensitive to changes in environment, temperature, humidity, etc. When the temperature difference between indoor and outdoor is too large or damp, the brake pad It is prone to slipping, and the centrifugal block is easily rusted and stuck. This has brought a lot of security risks to the high-rise life preserver. Summary of the invention
  • the object of the present invention is to provide a high-rise life-saving device with a uniform speed insurance mechanism that adopts a mechanical structure to control the descending speed, which has high safety, maintenance-free, simple structure, low cost, and can be multi-person.
  • One rope can be slowly and evenly escaped, and many people can multiply and escape at a constant speed.
  • the technical solution adopted by the present invention is:
  • a high-rise life-saving device comprising a life-saving cord box 1, the life-saving cord 3 being taken out from the life-saving cord box 1 and wound around a winding mechanism provided with a constant-speed insurance mechanism 2, characterized in that: the constant-speed insurance mechanism 2 comprises The ratchet 10, the ratchet 10 is evenly disposed with a protruding portion 12 along the sidewall, the shaft center of the ratchet 10 is provided with a transmission through hole 13 through which the transmission shaft 7 passes, and the ratchet 10 and the transmission shaft 7 are simultaneously rotated, and at least along the side wall of the ratchet 10 There is a slide 9 for limiting the descending speed, and both ends of the slide 9 are provided with a projection 12' which is fitted with the projection 12, and the slide 9 is provided with a fixed shaft 11.
  • the ratchet 10 is evenly provided with an arc-shaped protruding portion 12 along the side wall, and the two ends of the sliding pendulum 9 are provided with an arc-shaped protruding portion 12' adapted to the protruding portion 12, and the middle portion of the sliding pendulum 9 is provided.
  • the ratchet 10 is evenly provided with triangular projections 12 along the side walls, and both ends of the sliding yoke 9 are provided with cylindrical projections 12' which are fitted with the projections 12.
  • the winding mechanism includes at least three winding posts 23 arranged side by side, the lifeline 3 is alternately wound between the winding posts 23, and a bracket 6 is arranged between the winding posts 23, at a constant speed.
  • the fuse mechanism 2 is connected by a drive shaft 7 and any one of the bobbins 23.
  • the winding mechanism includes at least two reeling wheels 4 arranged side by side, and the circumferential surface of the wheel body 14 of each reeling wheel 4 is provided with at least four winding grooves 18,
  • the lifeline 3 is alternately wound in a figure-eight shape between the winding grooves 18 of the two reels 4, and the axis of each of the reels 4 is provided with a through hole 20 through which the transmission shaft 7 passes, and two transmission shafts 7 After passing through the through hole 20, it is connected through the transmission gear set 5 and the constant speed insurance mechanism 2, and the inner side ring 19 is provided on the same side of each reel 4, and the transmission wheel 8 is provided in the inner ring gear 19, and the transmission wheel 8 and The drive shaft 7 rotates at the same time, and the drive wheel 8 can only rotate the reel 4 with the ring gear 19 in one direction, and the sides of the two reels 4 are connected by the bracket 6.
  • the transmission wheel 8 includes a retaining ring 21 having at least two pawls 15, the pawls 15 and the teeth of the inner ring gear 19 are fitted, and the retaining ring 21 is provided with the pawl 15
  • the adapted spring groove 16 has an axial center of the retaining ring 21 provided with a drive through hole 17 adapted to the drive shaft 7.
  • the transmission through hole 13 has a circular or D-shaped cross section.
  • the high-rise life-saving device of the invention is provided with a constant-speed insurance mechanism which adopts a mechanical structure to control the descending speed, has high safety, is maintenance-free, has a simple structure, and has low cost, and can be easily and repeatedly descended by a plurality of people, and can also be multi-personed.
  • the rope descends at a constant speed and escapes.
  • FIG. 3 Schematic diagram of the reel and A-A cross-sectional view
  • FIG. 4 Schematic diagram of the embodiment of the uniform speed insurance mechanism
  • 1 is the lifeline cord box
  • 2 is the constant speed insurance mechanism
  • 3 is the lifeline
  • 4 is the reel
  • 5 is the transmission gear set
  • 6 is the bracket
  • 7 is the transmission shaft
  • 8 is the transmission wheel
  • 9 is the sliding
  • 11 is the fixed shaft
  • 12 is the protruding part
  • 12' is the protruding part
  • 13 is the transmission through hole
  • 14 is the wheel body
  • 15 is the pawl
  • 16 is the spring groove
  • 17 is the transmission through hole
  • 18 is the winding
  • the slot, 19 is an inner ring gear
  • 20 is a through hole
  • 21 is a retaining ring
  • 22 is a fixed end
  • 23 is a bobbin.
  • FIG. 1 is a schematic structural view of a high-rise life-saving device system according to the present invention, including a life-saving cord box 1, and a life-saving cord 3 is taken out from a life-saving cord box 1 and wound around a winding mechanism provided with a constant-speed insurance mechanism 2,
  • the uniform speed securing mechanism 2 includes a ratchet 10, and the ratchet 10 is evenly disposed with a protruding portion 12 along the side wall.
  • the shaft center of the ratchet 10 is provided with a transmission through hole 13 through which the transmission shaft 7 passes.
  • the ratchet 10 and the transmission shaft 7 rotate simultaneously, along the ratchet
  • the side wall 10 is provided with at least one slide 9 for limiting the descending speed, and both ends of the slide 9 are provided with a protrusion 12' adapted to the protrusion 12.
  • the slide 9 is provided with a fixed shaft 11.
  • the working principle of the high-rise life-saving device of the present invention is: according to the actual load-bearing load requirement and the design requirement for the expected descending speed, a certain weight of the sliding pendulum 9 is selected, and the protruding portion 12' and the ratchet 10 side on the sliding pendulum 9 are selected.
  • the cooperation between the plurality of protrusions 12 on the wall causes the slides 9 to pass through each of the protrusions 12 one by one at a constant speed, and the constant speed drop is released by the friction between the protrusions 12' and the protrusions 12 to release the lifeline 3 .
  • the sliding speed 9 on the constant speed securing mechanism 2 is at least one, and may be two, three or more. When one or more sliding strokes 9 are provided, it is preferable to uniformly and symmetrically set on the side wall of the ratchet wheel 10. For example, three slides 9 may be provided as shown in FIG. 2, or two slides 9 may be provided as shown in FIG.
  • the constant speed safety mechanism 2 can be used in any occasion where it is necessary to control uniform motion and equipment, especially the high-rise life preserver of the present invention. Since both ends of the sliding pen are provided with the protruding portion 12', the protruding portion 12' at one end of the sliding pendulum is driven by the ratchet, and is in frictional contact with the protruding portion 12 to reduce the speed, and the other end is separated from the protruding portion 12, The ratchet can be rotated, and the end of the sliding during each alternation is only in close contact with one of the protrusions 12 to form a friction surface, and the next protrusion 12 immediately adjacent to the closely contacting protrusion 12 in the direction of the ratchet movement is just in the sliding state. Just below the other end, the contact with the projection 12' is prepared or just released from the contact with the projection 12', so that the same purpose is achieved.
  • the ratchet 10 is evenly arranged with arc-shaped protrusions 12 along the side walls, and both ends of the slide pendulum 9 are provided with arc-shaped protrusions 12' which are matched with the protrusions 12,
  • the middle portion of the slider 9 is provided with an arcuate projection 12' adapted to the projection 12.
  • the middle portion of the slider 9 is provided with a projection 12' to ensure uniform motion, and to prevent the projection 12 from suddenly accelerating due to lack of obstruction when moving from one end of the slider to the other end.
  • the ratchet 10 is evenly provided with triangular projections 12 along the side walls, and both ends of the sliding projection 9 are provided with cylindrical projections 12' which are fitted with the projections 12.
  • This configuration avoids the sudden acceleration of the projection 12 due to lack of obstruction when moving from one end of the sliding to the other end, so that it is not necessary to separately add the projection 12' in the middle of the swing.
  • FIG. 5 shows an embodiment of the high-rise life preserver according to the present invention, wherein the winding mechanism includes at least three winding posts 23 arranged side by side.
  • the lifeline 3 is alternately wound between the bobbins 23, and a bracket 6 is disposed between the bobbins 23, and the constant speed securing mechanism 2 is connected through the propeller shaft 7 and any one of the bobbins 23.
  • One end of the lifeline is connected to the fixed end 22, and the fixed end 22 can be placed on the wall near the escape passage such as a window or a balcony in the room.
  • three life preservers (dashed boxes in Fig. 5) are installed, and each life preserver Each has a separate speed insurance mechanism.
  • the life preserver shares a lifeline.
  • the number of life savers can be increased or decreased according to actual needs.
  • the other end of the lifeline is fixed in the lifeline box.
  • the lifeline box When it is necessary to use the life saver to escape, first throw the lifeline box to the ground outside the building, then the lifeline is fully released, and then the escaper holds the lifeguard to escape the belt or seat belt (not shown).
  • the weight is regulated, for example: can be 1 m / s.
  • the high-rise life-saving device shown in Figure 5 multiple people can smoothly descend and escape in a row. When the leftmost person escapes, the middle person can escape, and finally the rightmost person escapes. That is: the last escape from the fixed end, the first escape from the lifeline box.
  • FIG. 1 shows another embodiment of the high-rise life preserver according to the present invention, wherein the winding mechanism comprises at least two reeling wheels 4 arranged side by side, each of the reeling wheels 4
  • the circumferential surface of the wheel body 14 is provided with at least four winding grooves 18, and the lifeline 3 is alternately wound in a figure-eight shape between the winding grooves 18 of the two reels 4, and the axis of each of the reels 4 is
  • a through hole 20 is provided through which the transmission shaft 7 passes.
  • the two transmission shafts 7 pass through the through hole 20 and are connected through the transmission gear set 5 and the constant speed safety mechanism 2, and the inner teeth of the same side of each of the reeling wheels 4 are provided.
  • Figure 1 contains at least 2 life savers, both of which use the same uniform speed fuse mechanism.
  • Each life saver is provided with a lifeline cable box and two reels, that is, each life saver is separate. Using a lifeline, the number of life savers can be increased or decreased according to actual needs. Usually, 1 to 4 life savers are provided. For each additional life saver, a lifeline box, a lifeline, and two juxtaposed settings are required. Winding wheel 4.
  • the transmission shaft is shared by a plurality of life savers. Therefore, based on the above technical solution, the structural diagram of the reel 4 can be seen in FIG. 3, and FIG. 3 also includes the internal teeth of the reel.
  • FIG. 3 also includes the internal teeth of the reel.
  • the transmission wheel 8 includes a retaining ring 21 having at least two pawls 15, the pawls 15 and the teeth of the inner ring gear 19 are fitted, and the retaining ring 21 is provided with a spine
  • the spring groove 16 of the claw 15 is adapted, and the shaft center of the retaining ring 21 is provided with a transmission through hole 17 which is adapted to the drive shaft 7. This structure ensures that only the life preserver in use will release the rope, while the unused life preserver will only idle.
  • the spring in the spring slot 16 ensures that the pawl is normally in the ejected state and can be retracted into the spring slot when stressed.
  • the direction of rotation of the transmission shaft 7 is as indicated by an arrow.
  • the wheel body 14 rotates counterclockwise due to the release of the lifeline.
  • the teeth of the inner ring gear drive to contact the pawl and thereby drive the retaining ring to rotate, so that the transmission wheel 8 and the transmission shaft 7 rotate simultaneously, and then the transmission shaft drives the transmission gear set to drive the uniform speed insurance mechanism 2 to rotate, thereby realizing the right side.
  • the life-saving device user escapes at a constant speed.
  • the life-saving device on the left side can be used separately for another user, and the two do not affect each other, so that multi-person multi-rope and uniform slow-down escape are realized, and the transmission shaft is connected to the same uniform speed insurance mechanism 2.
  • Multiple life savers can be used at the same time, or they can be used at any time, regardless of the order. If the life saver in Figure 1 is only used on the right side, and the left side is not used, the drive wheel 8 on the left side will also rotate in the direction of the arrow in Figure 3, driven by the drive shaft. The wheel body 14 on the left side does not rotate. Since the pawl cannot rotate the inner ring gear when it is rotated in the direction of the arrow in FIG.
  • the high-rise life-saving device shown in Figure 1 can be multi-rope and multi-rope at the same time to slow down and escape at a constant speed. It can also multi-person multi-rope and slow down and escape at a uniform speed, avoiding the life saver shown in Figure 5 waiting for the escaper to escape before being able to escape again. The problem of using. Improve the efficiency of escape.
  • the transmission through hole 13 has a circular or D-shaped cross section. Can be better matched with the drive shaft.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)

Abstract

Cette invention concerne un appareil flottant pour gratte-ciel, concernant un dispositif de descente lente de sauvetage et comprenant un boîtier de corde de sauvetage 1. Une corde de sauvetage 3 sort du boîtier de corde de sauvetage 1 et s'enroule sur un mécanisme d'enroulement ; un mécanisme de sécurité à vitesse constante 2 est situé sur le mécanisme d'enroulement. La présente invention est caractérisée en ce que ledit mécanisme de sécurité à vitesse constante 2 comprend une roue à rochet 10, les dents 12 sont uniformément disposées sur la roue à rochet 10 le long de sa paroi latérale. Un trou débouchant 13 est installé dans le centre de la roue à rochet 10, et utilisé pour être pénétré par l'arbre de transmission 7 pour permettre à la roue à rochet 10 et à l'arbre de transmission 7 de tourner en même temps. Au moins un basculeur coulissant 9 est situé le long de la paroi latérale de la roue à rochet 10 pour définir la vitesse de descente. Les dents 12' sont disposées sur les deux extrémités du basculeur coulissant 9 et s'adaptent aux dents 12. Un arbre statique 11 se trouve sur le basculeur coulissant 9. L'appareil flottant pour gratte-ciel de la présente invention est équipé du mécanisme de sécurité à vitesse constante commandant la vitesse de descente en utilisant la structure mécanique. L'appareil flottant pour gratte-ciel de la présente invention présente une structure simple de haute sécurité et à faible coût, et ne nécessite pas d'entretien. Il permet à plusieurs personnes d'être évacuées chacune leur tour en utilisant une même corde de sauvetage, et permet également à plusieurs personnes d'être évacuées en même temps en utilisant plusieurs cordes.
PCT/CN2008/070705 2007-05-17 2008-04-14 Appareil flottant pour gratte-ciel WO2008141553A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CNU200720154782XU CN201052346Y (zh) 2007-05-17 2007-05-17 多级重力滑摆棘轮机构及其高楼救生器
CN200720154782.X 2007-05-17

Publications (1)

Publication Number Publication Date
WO2008141553A1 true WO2008141553A1 (fr) 2008-11-27

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ID=39392015

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PCT/CN2008/070705 WO2008141553A1 (fr) 2007-05-17 2008-04-14 Appareil flottant pour gratte-ciel

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CN (1) CN201052346Y (fr)
WO (1) WO2008141553A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101934117B (zh) * 2010-09-03 2012-01-25 刘泉 一种高空载人匀速下降救生器
CN102614596A (zh) * 2011-01-30 2012-08-01 李梓强 自动循环火灾逃生装置
CN103239811B (zh) * 2012-02-10 2016-04-06 东莞市红火安全科技有限公司 恒速式缓降器
CN102872545B (zh) * 2012-10-29 2015-01-14 裘伟江 一种高空缓降器
CN103212166B (zh) * 2013-04-22 2016-05-25 嘉兴学院 匀速传动降安保及其单摆齿轮等速器和匀速下降的方法
CN104971445A (zh) * 2015-07-15 2015-10-14 安徽天元消防科技有限公司 外挂式缓降器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2264013Y (zh) * 1996-07-31 1997-10-08 承列 高层救生索
CN2276815Y (zh) * 1996-09-01 1998-03-25 陈鼎益 高层建筑火灾救生器
CN2403446Y (zh) * 1998-04-03 2000-11-01 王翔 高空物体安全着陆装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2264013Y (zh) * 1996-07-31 1997-10-08 承列 高层救生索
CN2276815Y (zh) * 1996-09-01 1998-03-25 陈鼎益 高层建筑火灾救生器
CN2403446Y (zh) * 1998-04-03 2000-11-01 王翔 高空物体安全着陆装置

Also Published As

Publication number Publication date
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