CN110882495B - Speed-controllable fire escape device sliding device - Google Patents

Speed-controllable fire escape device sliding device Download PDF

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Publication number
CN110882495B
CN110882495B CN201911238836.4A CN201911238836A CN110882495B CN 110882495 B CN110882495 B CN 110882495B CN 201911238836 A CN201911238836 A CN 201911238836A CN 110882495 B CN110882495 B CN 110882495B
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lever
gear
fixed
lower shell
rope
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CN201911238836.4A
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CN110882495A (en
Inventor
谭春旺
张今朝
徐祝青
郑静
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Jiaxing University
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Jiaxing University
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    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00Devices for lowering persons from buildings or the like
    • A62B1/20Devices for lowering persons from buildings or the like by making use of sliding-ropes, sliding-poles or chutes, e.g. hoses, pipes, sliding-grooves, sliding-sheets

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Emergency Lowering Means (AREA)
  • Transmission Devices (AREA)

Abstract

The invention discloses a speed-controllable fire escape device sliding device, which comprises a main body device and a packaging device; the main body device is matched with the packaging device to form a closing device; the escape rope passes through the round hole formed by the closing device; the packaging device comprises an upper shell, an upper friction plate and a lock catch; the main body device comprises a lower shell, a gear device, a lower friction plate, a locking ring, a claw clamping pin and a lever device. The invention has simple structure and convenient installation, and can realize simultaneous escape of multiple people by automatically pulling the first stress rope on the first lever and the second stress rope on the second lever to control the descending speed of the device.

Description

Speed-controllable fire escape device sliding device
Technical Field
The invention relates to a sliding device, in particular to a sliding device for house escape.
Background
With the continuous development of society, the economic level is continuously improved, and the problem of how to quickly escape when the high-rise building is suddenly unexpected and dangerous is always a focus of social attention. If the high-rise building suddenly catches fire, when the elevator can not be used, stairs are blocked, and the like, a plurality of people are in distress due to incapacitation of escaping, and most of the reasons are death forced by severe environments polluted by high temperature and fire because of being burnt by fire, and suffocation or building jump death is carried out before the life-saving personnel arrive. Most people's life is taken away by flue gas and thus escape devices for high-rise building fire and other accidents are necessary.
Disclosure of Invention
Based on the above-mentioned problems, the present invention aims to overcome the above-mentioned problems, and provide a speed-controllable sliding device for a fire escape device, which can automatically control the descending speed through the stress ropes on the first lever and the second lever, so as to simultaneously realize the simultaneous escape of multiple persons.
The technical proposal is as follows: a speed-controllable fire escape device sliding device comprises a main body device and a packaging device; the main body device is matched with the packaging device to form a closing device;
the packaging device comprises an upper shell, an upper friction plate and a lock catch; the upper friction plate is arc-shaped, and two upper friction plates are matched to form a semicircle; one end of an upper spring is fixed on each upper friction plate, and the other end of the upper spring is welded on the upper shell; the upper spring penetrates through the nut, and one end of the nut is fixed on the upper shell; a first groove is formed below the upper shell; two sides of the upper shell are fixed with lock catches;
the main body device comprises a lower shell, a gear device, a lower friction plate, a locking ring, a claw clip and a lever device; a trapezoid convex rail is fixed on the lower shell and is matched with the first groove of the upper shell; handles are fixed on two sides of the lower shell, the handles are hollow, locking rings are fixed on the handles in a sliding manner, and the locking rings are in an inverted U shape and are matched with the lock catches of the packaging device; a bearing is fixed in the lower shell, and a gear device is fixed on the bearing; a square frame is fixed at the bottom of the lower shell; the claw clamping needle is provided with a through hole, and the frame penetrates through the through hole and is movably connected with the claw clamping needle; the bottom of the lower shell is provided with a first lug which is cylindrical; the side surface of the lower shell is fixed with a second lug and a third lug;
the gear device comprises a clamping groove gear, a braking gear and a central shaft; the clamping groove gear and the brake gear are fixed on the bearing through a central shaft; one side of the clamping groove gear is provided with a brake gear, the other side of the clamping groove gear is provided with a disc, and a plurality of convex columns are uniformly distributed on the disc;
the lever device comprises a first lever and a second lever; the first lever takes the first lug as a fulcrum and is arranged at the bottom of the lower shell, one end of the first lever is fixed with a first stress rope, and the other end of the first lever is positioned below the claw clip; a first spring is also fixed below the first lever, one end of the first spring is fixed at the bottom of the lower shell, and the other end of the first spring is fixed with the first lever; the second lever takes the second convex block as a fulcrum, the middle fold line part passes through a ball bearing, the ball bearing is welded below the second convex block 15 through a steel bar, and one end of the second lever is fixed with a second stress rope; the side of the lower shell is provided with a second groove, the second stress rope passes through the second groove, and the second groove is uniformly provided with a sealing cover.
Further, the upper friction plate is fixed with three upper springs, wherein two upper springs are fixed with the side face of the upper shell, and one upper spring is fixed with the top of the upper shell.
Further, the first groove is trapezoidal.
Further, the lock catch is L-shaped and fixed on one side of the upper shell to form a U-shaped fixing groove.
Further, the diameter of the brake gear is larger than that of the clamping groove gear.
Further, the claw clip has a sharp angle to clip the slot gear.
Further, the second bump is located on the central axis of the gear device; and the third lug and the lowest lug on the disc are on the same horizontal line.
Further, the second lever is Z-shaped, the right end is connected with a second stress rope, and the left end is matched with a convex column on the disc.
Further, the clamping groove gear is provided with an inward groove; the brake gear is provided with dense rectangular saw teeth at the edge.
The invention has simple structure and convenient installation, when an evacuee installs the invention on a given track for escaping, the escaping rope passes through the round hole formed by the upper friction plate and the lower friction plate, the trapezoid convex rail on the lower shell is matched with the first groove on the upper shell, and the lock ring on the lower shell is matched with the lock catch of the upper shell, at the moment, the upper shell and the lower shell are combined, and meanwhile, the matching compactness of the invention and the escaping rope can be adjusted by adjusting the nut in the spring on the upper friction plate. After the second lever is installed, the initial position is that one end of the lever is static on the third bump, the first lever acts with the spring after being installed, and one end is the highest point of the spring end.
The escaper slides downwards along the rope and drives the device to move on the rope due to the rotation of the braking gear under the action of gravity, when the distance between the escaper and the escaper is too small, the first stress rope on the first lever is manually pulled down, the claw clamping needle is jacked up to be meshed with the clamping groove of the clamping groove gear under the action of the first lever, the clamping groove gear stops rotating, the edge saw teeth of the braking gear and the upper friction plate in the packaging device jointly act to force the device to stop on the rope, the safety distance between the escaper and the front is ensured, when the distance is proper, the second stress rope is pulled down, the stopped braking gear forces the braking gear to reversely rotate due to the action of the second lever and the cylindrical convex column on the disc and is not meshed with the claw clamping needle, the claw clamping needle returns to the initial position of the first lever under the action of gravity after being out of meshing, and the escaper can automatically control the distance between the escaper and the front during the repetition of the operation, so that the purpose of simultaneously escaping for a plurality of people is achieved.
Drawings
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic cross-sectional right-side view of the package device of the present invention;
FIG. 3 is a schematic view of the mounting structure of the gear assembly of the present invention;
FIG. 4 is a left side view of the body apparatus of the present invention;
FIG. 5 is a right side view of the body apparatus of the present invention;
FIG. 6 is a schematic view of the latch and catch engagement of the present invention;
FIG. 7 is a schematic view of another angle of engagement of the shackle and strike of the present invention;
FIG. 8 is a schematic illustration of the second lever and ball bearing engagement of the present invention;
FIG. 9 is a schematic view of the cooperation of the claw clip and the square frame in the present invention;
FIG. 10 is a schematic view of the gear assembly of the present invention;
FIG. 11 is a schematic diagram of a slot gear according to the present invention;
fig. 12 is a schematic view of the structure of a brake gear in the present invention.
Detailed Description
The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and not limited to the following examples.
Referring to fig. 1 to 12, a speed-controllable sliding device of a fire escape apparatus comprises a main body device B and a packaging device a; the main body device B is matched with the packaging device A to form a closing device;
the packaging device A comprises an upper shell 2, an upper friction plate 1 and a lock catch 3; the upper friction plate 1 is arc-shaped, and the two upper friction plates are matched to form a semicircle; three upper springs 4 are fixed on each upper friction plate, each end of each upper spring 4 is fixed with the upper friction plate 1, and the other end of each upper spring 4 is welded on one side and the top of the upper shell 2; the upper spring 4 passes through a nut 41, and one end of the nut is fixed on the upper shell 2; the nuts can be freely rotated to adjust the contact area and tightness degree of the upper friction plate 1 and the rope (as the braking effect and the friction force are related, a material with a larger friction coefficient is adopted in the friction plate according to a friction force formula f=mu N, and meanwhile, the nuts are properly screwed down to increase positive pressure so as to ensure that the braking effect is optimal); a first groove 5 is formed below the upper shell 2, and is trapezoidal; the two sides of the upper shell are fixed with lock catches 3 which are L-shaped and fixed on one side of the upper shell 2 to form a U-shaped fixing groove.
The main body device B comprises a lower shell 6, a gear device 7, a lower friction plate 8, a lock ring 9, a claw clip 10 and a lever device; a trapezoid convex rail 61 is fixed on the lower shell 6 and is matched with the first groove 5 of the upper shell 2; the edges of the trapezoid convex rail 61 and the edges of the trapezoid first groove 5 are smooth curved surfaces, and meanwhile, the convex rail and the groove are made of smooth materials, so that the installation is quicker and easier to operate on the premise that the safety performance is not affected.
Handles 11 are fixed on two sides of the lower shell 6, the handles are hollow, locking rings 9 are fixed on the handles 11 in a sliding manner, the locking rings are in an inverted U shape and are matched with the lock catches 3 of the packaging device A, namely, the upper shell and the lower shell are closed; the whole device is closed through the matching of the lock catch and the lock ring and the matching of the first groove and the trapezoid convex rail, so that the main body device B and the packaging device A cannot be separated when the device is used; a bearing 12 is fixed in the lower shell 6, and a gear device 7 is fixed on the bearing 12; a square frame 13 is fixed at the bottom of the lower shell 6; the claw clamping needle 10 is provided with a through hole 101, and the frame 13 penetrates through the through hole and is movably connected with the claw clamping needle 10; the bottom of the lower shell 6 is provided with a first lug 14, and the first lug 14 is cylindrical; the side surface of the lower shell 6 is fixed with a second lug 15 and a third lug 16; the second bump 15 is located on the central axis of the gear device 7; the third bump 16 is on the same horizontal line as the lowermost post 75 on the disc 74.
A gear device 7 including a slot gear 71, a brake gear 72, and a central shaft 73; the clamping groove gear 71 and the brake gear 72 are fixed on the load bearing 12 through a central shaft 73; one side of the clamping groove gear 71 is provided with a brake gear 72, the other side is provided with a disc 74, and a plurality of convex columns 75 are uniformly distributed on the disc 74; the diameter of the brake gear 72 is larger than the diameter of the slot gear 71; the claw catch 10 has a sharp corner 102 which catches the catch gear 71. The slot gear 71 is provided with an inward groove; the brake gear 72 is densely rectangular in shape with teeth on the edges.
A lever arrangement comprising a first lever 17 and a second lever 18; the first lever 17 is mounted at the bottom of the lower shell 6 by taking the first bump 14 as a fulcrum, one end of the first lever 17 is fixed with a first stress rope 171, and the other end of the first lever is positioned below the claw clip 10; a first spring 172 is also fixed below the first lever 17, one end of the first spring is fixed at the bottom of the lower shell 6, the other end of the first spring is fixed with the first lever 17, the first spring 172 can ensure that the stressed end of the first lever cannot leave the bottom of the lower shell when the first stressed rope is not pulled, and the first lever 17 takes the first lug 14 as a fulcrum; the second lever takes the second bump as a fulcrum, the middle broken line part passes through the ball bearing 184, a steel bar 183 is welded at the upper part of the ball bearing 184, the steel bar 183 is welded under the second bump 15, and a second stress rope 181 is fixed at one end of the second lever 18; the second lever 18 is zigzag shaped in order to prevent it from being blocked and deactivated by the columns 75 of the array on the disc 74; one end is connected with a second stress rope 181, and the other end 182 is matched with a convex column on the disc. The side of the lower shell 6 is provided with a second groove 19, the second stress rope passes through the second groove, and the second groove is uniformly provided with a sealing cover.

Claims (4)

1. The speed-controllable fire escape device sliding device is characterized by comprising a main body device and a packaging device; the main body device is matched with the packaging device to form a closing device;
the packaging device comprises an upper shell, an upper friction plate and a lock catch; the upper friction plate is arc-shaped, and two upper friction plates are matched to form a semicircle; one end of an upper spring is fixed on each upper friction plate, and the other end of the upper spring is welded on the upper shell; the upper spring penetrates through the nut, and one end of the nut is fixed on the upper shell; a first groove is formed below the upper shell; two sides of the upper shell are fixed with lock catches;
the main body device comprises a lower shell, a gear device, a lower friction plate, a locking ring, a claw clamping pin and a lever device; the lower shell is fixedly provided with a trapezoid convex rail which is matched with the first groove of the upper shell; handles are fixed on two sides of the lower shell, the handles are hollow, locking rings are fixed on the handles in a sliding mode, and the locking rings are in an inverted U shape and matched with the lock catches of the packaging device; a bearing is fixed in the lower shell, and the gear device is fixed on the bearing; a square frame is fixed at the bottom of the lower shell; the claw clamping needle is provided with a through hole, and the frame penetrates through the through hole and is movably connected with the claw clamping needle; the bottom of the lower shell is provided with a first lug which is cylindrical; the side surface of the lower shell is fixedly provided with a second lug and a third lug;
the gear device comprises a clamping groove gear, a braking gear and a central shaft; the clamping groove gear and the braking gear are fixed on the bearing through the central shaft; one side of the clamping groove gear is provided with a brake gear, the other side of the clamping groove gear is provided with a disc, and a plurality of convex columns are uniformly distributed on the disc;
the diameter of the brake gear is larger than that of the clamping groove gear; the clamping groove gear is provided with an inward groove; the brake gear is provided with dense rectangular saw teeth at the edge;
the claw clamping needle is provided with a sharp angle and clamps the clamping groove gear;
the lever device comprises a first lever and a second lever; the first lever is arranged at the bottom of the lower shell by taking the first lug as a fulcrum, one end of the first lever is fixed with a first stress rope, and the other end of the first lever is positioned below the claw clip; a first spring is also fixed below the first lever, one end of the first spring is fixed at the bottom of the lower shell, and the other end of the first spring is fixed with the first lever; the second lever takes the second lug as a fulcrum, the middle fold line part passes through a ball bearing, and the ball bearing is welded below the second lug; one end of the second lever is fixed with a second stress rope; the side surface of the lower shell is provided with a second groove, the second stress rope passes through the second groove, and the second groove is uniformly provided with sealing covers;
the second lug is positioned on the central axis of the gear device; the third bump and the lowest convex column on the disc are on the same horizontal line;
the second lever is Z-shaped, the right end is connected with a second stress rope, and the left end is matched with a convex column on the disc;
the escape rope passes through a round hole formed by the upper friction plate and the lower friction plate, a trapezoidal convex rail on the lower shell is matched with a first groove on the upper shell, a lock ring on the lower shell is matched with a lock catch of the upper shell, at the moment, the upper shell and the lower shell are combined, and meanwhile, the matching compactness of the device and the escape rope can be adjusted by adjusting a nut in a spring on the upper friction plate; after the second lever is installed, the initial position is that one end of the lever is static on the third bump, the first lever acts with the spring after being installed, and the highest point of the spring end is at one end; the escaper slides down along the rope and drives the device to move on the rope due to the rotation of the braking gear under the action of gravity, when the distance between the escaper and the escaper in front is too small, the first stressed rope on the first lever is manually pulled down, the claw-shaped clamping needle is jacked up to be meshed with the clamping groove of the clamping groove gear under the action of the first lever, the clamping groove gear stops rotating, the edge saw teeth of the braking gear and the upper friction plate in the packaging device jointly act to force the device to stop on the rope, the safety distance between the device and the escaper in front is ensured, when the distance is proper, the second stressed rope is pulled down, and then the stopped braking gear is forced to reversely rotate due to the action of the second lever and the cylindrical convex column on the disc and is not meshed with the claw-shaped clamping needle, and the claw-shaped clamping needle is returned to the initial position of the first lever under the action of gravity after being out of meshed.
2. The speed-controllable sliding device for fire escape apparatus according to claim 1, wherein said upper friction plate is fixed with three upper springs, two of which are fixed with the side of said upper housing and one of which is fixed with the top of said upper housing.
3. The speed-controllable sliding device for fire escape apparatus according to claim 1, wherein said first recess is trapezoidal.
4. The speed-controllable sliding device for fire escape apparatus according to claim 1, wherein said lock catch is L-shaped and is fixed to one side of said upper housing to form a U-shaped fixing groove.
CN201911238836.4A 2019-12-06 2019-12-06 Speed-controllable fire escape device sliding device Active CN110882495B (en)

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Application Number Priority Date Filing Date Title
CN201911238836.4A CN110882495B (en) 2019-12-06 2019-12-06 Speed-controllable fire escape device sliding device

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CN110882495A CN110882495A (en) 2020-03-17
CN110882495B true CN110882495B (en) 2024-03-22

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU96772U1 (en) * 2009-07-14 2010-08-20 Анатолий Владимирович Иванов RESCUE DEVICE FOR HUMAN EVACUATION FROM MULTI-STOREY BUILDINGS
CN201578771U (en) * 2010-01-12 2010-09-15 徐州工业职业技术学院 Hand controllable urgent escape appliance
CN201768284U (en) * 2010-09-09 2011-03-23 朱国泰 Control clutch mechanism for anti-falling escaping device
CN203710562U (en) * 2014-01-24 2014-07-16 长安大学 High building escape device
CN203852746U (en) * 2014-03-14 2014-10-01 黄河科技学院 Escape device for high-rise fast-descending escape systems
CN104524700A (en) * 2015-01-05 2015-04-22 张亚晨 High-rise building life line
CN206631025U (en) * 2017-04-13 2017-11-14 薛文芃 Centrifugal brake formula escape slow-lowering device
CN208893505U (en) * 2017-12-29 2019-05-24 深圳市维兴顺科技有限公司 Adaptive gravity high level fire disaster escaping at the uniform velocity forced landing device
CN212090545U (en) * 2019-12-06 2020-12-08 嘉兴学院 Speed-controllable fire escape device sliding device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100851027B1 (en) * 2007-08-02 2008-08-12 왕종문 Descending life line for emergency escape

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
RU96772U1 (en) * 2009-07-14 2010-08-20 Анатолий Владимирович Иванов RESCUE DEVICE FOR HUMAN EVACUATION FROM MULTI-STOREY BUILDINGS
CN201578771U (en) * 2010-01-12 2010-09-15 徐州工业职业技术学院 Hand controllable urgent escape appliance
CN201768284U (en) * 2010-09-09 2011-03-23 朱国泰 Control clutch mechanism for anti-falling escaping device
CN203710562U (en) * 2014-01-24 2014-07-16 长安大学 High building escape device
CN203852746U (en) * 2014-03-14 2014-10-01 黄河科技学院 Escape device for high-rise fast-descending escape systems
CN104524700A (en) * 2015-01-05 2015-04-22 张亚晨 High-rise building life line
CN206631025U (en) * 2017-04-13 2017-11-14 薛文芃 Centrifugal brake formula escape slow-lowering device
CN208893505U (en) * 2017-12-29 2019-05-24 深圳市维兴顺科技有限公司 Adaptive gravity high level fire disaster escaping at the uniform velocity forced landing device
CN212090545U (en) * 2019-12-06 2020-12-08 嘉兴学院 Speed-controllable fire escape device sliding device

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