CN111569282A - Portable cylindrical permanent magnet eddy current descent control device and escape method - Google Patents
Portable cylindrical permanent magnet eddy current descent control device and escape method Download PDFInfo
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- CN111569282A CN111569282A CN202010467143.9A CN202010467143A CN111569282A CN 111569282 A CN111569282 A CN 111569282A CN 202010467143 A CN202010467143 A CN 202010467143A CN 111569282 A CN111569282 A CN 111569282A
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- escape
- permanent magnet
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- 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
- A62B1/14—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope
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Abstract
The invention discloses a portable cylindrical permanent magnet eddy descent control device and an escape method, wherein the escape device comprises: an equipment housing, an internal rotor and an escape rope; one end of the equipment shell is provided with a rope threading hole; a first magnetic action part is fixed on the inner wall of the equipment shell; the inner rotor comprises a rotor body and a belt wheel, and the belt wheel is arranged at one end of the rotor body; a second magnetic action component is arranged outside the rotor body; the inner rotor is rotatably arranged in the equipment shell; the first magnetic action component is a permanent magnet, and the second magnetic action component is a conductor plate; or the first magnetic action part is a conductor plate, and the second magnetic action part is a permanent magnet; the escape rope passes through a rope threading hole arranged on the equipment shell and is sleeved on the belt wheel. The emergency escape method for high-rise buildings comprises the steps of fixedly connecting portable disc type permanent magnet eddy escape equipment with the buildings; the reverse magnetic force generated by the induced current in the conductor disc is utilized to brake, so that the escape personnel can land at a safe speed.
Description
Technical Field
The invention belongs to the technical field of emergency escape equipment, and particularly relates to a portable cylindrical permanent magnet eddy current descent control device. And a high-altitude distress escape method realized by using the equipment.
Background
With the development of economy, the construction industry has also developed at a explosive rate, with more and more high-rise buildings being designed and built. When disasters such as fire disasters occur, higher requirements are put forward on safe escape equipment and methods for personnel and the like.
In high-rise and super high-rise buildings, when sudden disasters such as fire, earthquake, external force impact and the like occur, dangerous persons need to escape, and in most cases, the persons need to first use escape equipment to reach a refuge layer to wait for professional rescue workers to rescue. For example, the chinese utility model patent with application number 201821520252.7 discloses a building fire escape device, which comprises an escape frame body, a storage box and a super-strong electromagnetic device; the storage box is fixedly arranged on the outer wall of the building, and the superstrong electromagnetic device is arranged on the wall of the building; one end of the escape frame body is fixed in the containing box; the bottom of the containing box is provided with an opening for the escape frame body to extend out, and the escape frame body is provided with iron blocks at intervals; the iron block is attracted by the super-strong electromagnetic device through magnetic force, and the escape frame body is fixed on the outer wall of the building. The escape device is matched with the iron blocks on the escape frame body through the super-strong electromagnetic device in a magnetic attraction manner, so that the escape frame body is always attracted and fixed on the building outer wall, the safety problems of distortion, overturning and the like of the escape frame body are solved, and the personal safety of escape personnel is ensured. However, since a disaster often occurs with secondary hazards such as insufficient power supply, interruption of power supply, etc., the safety of the fire escape apparatus requiring power supply is greatly reduced.
The escape device is also in the form of a descent control rope, a descent control device and the like in China, and the escape device has more defects in use, such as complex operation, easy failure in friction and the like, and has certain potential safety hazards. In developed countries such as Japan and Germany, escape facilities such as spiral external slide, inflatable nylon membrane roof slide, friction descent control wheel and the like are applied to only part of buildings, the safety of the escape facilities is higher than that of domestic equipment, but the escape facilities have high cost and complex structure and are not suitable for domestic application and popularization.
Disclosure of Invention
The invention aims to provide a portable permanent magnet escape device for a high-rise building and an escape method in high altitude distress.
The technical scheme for solving the technical problems is as follows: a portable cylinder type permanent magnetism vortex descent control device comprises: an equipment housing, an internal rotor and an escape rope; one end of the equipment shell is provided with a rope threading hole; a first magnetic action part is fixed on the inner wall of the equipment shell; the inner rotor comprises a rotor body and a belt wheel, and the belt wheel is arranged at one end of the rotor body; a second magnetic action component is arranged outside the rotor body; the inner rotor is rotatably arranged in the equipment shell; the first magnetic action component is a permanent magnet, and the second magnetic action component is a conductor plate; or, the first magnetic action component is a conductor plate, and the second magnetic action component is a permanent magnet; the escape rope passes through a rope threading hole arranged on the equipment shell and is sleeved on the belt wheel.
The portable cylinder type permanent magnet eddy current descent control device further comprises a cylindrical shell body with one open end and an end cover, wherein the end cover is arranged at the open end of the cylindrical shell through a bolt; the end cover is provided with a rope threading hole and a pressing plate, and the pressing plate is connected with the end cover to shield the rope threading hole; the belt wheel corresponds to the rope threading hole at the installation position of the rotor body.
The portable cylinder type permanent magnet eddy current descent control device further comprises an anti-blocking wheel, wherein the anti-blocking wheel is arranged in the middle of the rope penetrating hole, and the escape ropes are arranged on two sides of the anti-blocking wheel.
The portable cylinder type permanent magnet eddy current descent control device further comprises a fixed mounting hole formed in the end cover, and the end cover is connected by inserting an adapter piece fixed on a building into the fixed mounting hole.
The portable cylinder type permanent magnet eddy current descent control device further comprises a first bearing arranged on the inner side wall of the cylinder-shaped shell body, and a second bearing arranged on an end cover; the inner rotor comprises a rotor body, a first shaft lever and a second shaft lever, wherein the first shaft lever is arranged at one end of the rotor body, and the second shaft lever is arranged at the other end of the rotor body; the first bearing is inserted into the first bearing socket, and the second bearing is inserted into the second shaft rod.
In the portable cylindrical permanent magnet eddy current descent control device, the conductor plate is of a cylindrical integral structure and is made of copper or aluminum.
The portable cylinder type permanent magnet eddy current descent control device further comprises permanent magnets which are circumferentially arranged.
The method for carrying out the high-rise building distress escape by utilizing the portable barrel type permanent magnet escape equipment comprises the following steps: step 1, fixedly connecting portable cylindrical permanent magnet escape equipment with a building; step 2, the escape rope passes through a rope threading hole arranged on the equipment shell and is sleeved on the belt wheel; and 3, connecting one end of the escape rope to the body of the escape person, jumping out of the escape person from a building outlet, and braking by using reverse magnetic force generated by induced current in the conductor plate to enable the escape person to land at a safe speed.
The portable cylindrical permanent magnet escape equipment has the advantages of simple mechanical structure and high equipment performance stability. Meanwhile, the interaction between the inner rotor and the equipment shell belongs to a non-contact type, and compared with friction plate type braking, the friction plate type braking mode belongs to a lossless braking mode, and after long-term operation, the replacement of easily-damaged parts is not needed, so that the service life and the performance stability are stronger.
Drawings
The above and/or other advantages of the invention will become more apparent and more readily appreciated from the following detailed description taken in conjunction with the accompanying drawings, which are given by way of illustration only and not by way of limitation, and in which:
FIG. 1 is a schematic view of a portable cylindrical permanent magnet eddy current descent control device;
FIG. 2 is a schematic axial cross-sectional view of a portable cylindrical permanent magnet eddy current descent control device;
FIG. 3 is a schematic view of a middle radial section of a portable cylindrical permanent magnet eddy current escape apparatus;
FIG. 4 is a schematic view of a radial cross section of an end portion of a portable cylindrical permanent magnet eddy current escape apparatus;
FIG. 5 is a schematic axial cross-section of a housing according to an embodiment of the present invention;
FIG. 6 is a schematic view of an inner rotor according to an embodiment of the present invention;
FIG. 7 is a schematic radial cross-section of an inner rotor according to an embodiment of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
100. permanent magnetism equipment of fleing 1, equipment shell, 11, shell body, 12, end cover, 13, first bearing, 14, second bearing, 15, fixed mounting hole, 16, rope handling hole, 17, clamp plate, 18, anti-sticking wheel, 19, conductor plate, 2, interior rotor, 21, rotor body, 22, first axostylus axostyle, 23, second axostylus axostyle, 24, permanent magnet, 25, band pulley, 3, bolt.
Detailed Description
Hereinafter, an embodiment of the portable cartridge type permanent magnet eddy current descent control device of the present invention will be described with reference to the accompanying drawings.
The examples described herein are specific embodiments of the present invention, are intended to be illustrative and exemplary in nature, and are not to be construed as limiting the scope of the invention. In addition to the embodiments described herein, those skilled in the art will be able to employ other technical solutions which are obvious based on the disclosure of the claims and the specification of the present application, and these technical solutions include technical solutions which make any obvious replacement or modification for the embodiments described herein.
The drawings in the present specification are schematic views to assist in explaining the concept of the present invention, and schematically show the shapes of respective portions and their mutual relationships. It is noted that the drawings are not necessarily to the same scale so as to clearly illustrate the structures of the various elements of the embodiments of the invention. Like reference numerals are used to denote like parts.
Fig. 1-4 show a portable cartridge type permanent magnet eddy current descent control device according to an embodiment of the present invention, which includes:
the device comprises a device shell 1, wherein one end of the device shell 1 is provided with a rope threading hole 16; a first magnetic action component is fixed on the inner wall of the equipment shell 1; the rope-through hole is arranged for the escape rope to pass through, the equipment shell is reformed to be suitable for escape, and the conventional equipment shell is not provided with redundant holes for the purposes of sealing and the like;
the rotor comprises an inner rotor 2, wherein the inner rotor 2 comprises a rotor body 21 and a belt wheel 25, and the belt wheel 25 is arranged at one end of the rotor body 21; a second magnetic action member is provided outside the rotor body 21; the inner rotor 2 is rotatably arranged in the equipment shell 1; the belt wheel is fixed at one end of the rotor body, so that the belt wheel and the rotor body can move and rotate; when setting up inside rotor in equipment case inside, realized setting up the band pulley in equipment case's inside, the cooperation wire rope handling hole uses, can realize being connected rope and band pulley of will fleing to the part that will flee the rope and be connected with the band pulley is installed at the inside purpose of equipment case.
In one embodiment, the first magnetically active component is a permanent magnet 24 and the second magnetically active component is a conductor plate 19. In a preferred embodiment, the first magnetically active part is a conductor plate 19, and the second magnetically active part is a permanent magnet 24; the conductor plate is arranged on the inner wall of the equipment shell, so that heat generated by the conductor plate can be timely dissipated out through the equipment shell. In a more preferable embodiment, the outer wall of the equipment shell is provided with heat radiating fins, so that the heat radiating effect is further improved by using the heat radiating fins, and the reduction of the magnetic field caused by overheating of the permanent magnet inside the equipment shell is avoided.
The escape rope passes through the rope threading hole 16 arranged on the equipment shell and is sleeved on the belt wheel 25. The pulleys are selected from V pulleys or gears. When the belt wheel is a gear, the escape rope is in a chain structure matched with the belt wheel, so that slipping between the escape rope and the belt wheel can be avoided, and the safety of equipment is further improved.
When the portable cylindrical permanent magnet escape device is used for escaping, firstly, the portable cylindrical permanent magnet escape device 100 is fixedly connected with a building; then, the escape rope passes through a rope threading hole 16 arranged on the equipment shell and is sleeved on a belt wheel 25; finally, one end of the escape rope is connected to the body of the evacuee, the evacuee jumps out of the building, and the reverse magnetic force generated by the induced current in the conductor plate 19 is used for braking, so that the evacuee lands at a safe speed.
The portable cylindrical permanent magnet escape equipment has the advantages of simple mechanical structure and high equipment performance stability. Meanwhile, the interaction between the inner rotor and the equipment shell belongs to a non-contact type, and compared with friction plate type braking, the friction plate type braking mode belongs to a lossless braking mode, and after long-term operation, the replacement of easily-damaged parts is not needed, so that the service life and the performance stability are stronger.
In a specific embodiment of the portable cylindrical permanent magnet eddy current descent control device, as shown in fig. 5, the device housing 1 includes a cylindrical housing body 11 with an open end and an end cap 12, wherein the end cap 12 is mounted at the open end of the cylindrical housing through a bolt 3; the end cover 12 is provided with a rope threading hole 16 and a pressing plate 17, and the pressing plate 17 is connected with the end cover 12 to shield the rope threading hole 16; the pulley 25 corresponds to the rope threading hole 16 at the mounting position of the rotor body 21. As shown in fig. 4, a notch is provided as a stringing hole in the end cap.
In a specific embodiment of the portable barrel-type permanent magnet eddy current descent control device, as shown in fig. 4, the device housing 1 further comprises an anti-jamming wheel 18, the anti-jamming wheel 18 is installed in the middle of the rope threading hole 16, and the escape ropes are arranged on two sides of the anti-jamming wheel 18. Utilize the anti-sticking wheel to keep apart the part that the rope got into the wire rope passing hole and the part of wearing out the wire rope passing hole of fleing, can effective mode rope knot or block die, the anti-sticking wheel is rotatable structure, can further avoid the rope to knot.
In a specific embodiment of the portable barrel-type permanent magnet eddy current descent control device, the end cover 12 is further provided with a fixing mounting hole 15, and the fixing mounting hole 15 is inserted by using an adapter fixed on a building for connection.
In a specific portable cylinder type permanent magnet eddy current descent control device embodiment, a first bearing 13 is arranged on the inner side wall of a cylindrical shell body 11, and a second bearing 14 is arranged on an end cover 12; the bearing can be directly fixedly connected with the shell body or the end cover in a welding mode or the like, or a raised bearing mounting seat is arranged on the inner wall of the shell body or the end cover, and the bearing is fixed in the bearing mounting seat. As shown in fig. 6 and 7, the inner rotor 2 includes a rotor body 21, a first shaft 22, and a second shaft 23, the first shaft 22 being disposed at one end of the rotor body 21, the second shaft 23 being disposed at the other end of the rotor body 21; the first bearing 13 is inserted into the first bearing 13, and the second shaft 23 is inserted into the second bearing 14. Above-mentioned structure can realize the free rotation of inside rotor on the one hand, and on the other hand is convenient for open the end cover and maintains the maintenance when equipment is inside to break down.
In a specific embodiment of the portable barrel-type permanent magnet eddy current descent control device, as shown in fig. 3 and 5, the conductor plate 19 is a cylindrical integral structure made of copper or aluminum; alternatively, the conductor plate 19 is formed by splicing a plurality of plate-like materials, and this structure has an advantage of easy mounting.
In a specific embodiment of the portable cylinder type permanent magnet eddy current descent control device, as shown in fig. 3 and 6, the permanent magnet 24 is a circumferentially arranged magnet group, and the magnet group includes a plurality of permanent magnet units. In the embodiment shown in fig. 6, the permanent magnet single bodies are strip-shaped permanent magnets with sector ring structures in cross section, and the permanent magnet single bodies are fixedly connected to the rotor body 21 by bolts. The permanent magnet monomers can be arranged at a certain distance, and the number of the permanent magnet monomers on the rotor body 21 is controlled by adjusting the arrangement distance, so that a series of permanent magnet escape devices with different braking capacities can be formed, and the permanent magnet escape device is suitable for being applied to different customer requirements, such as different body weights.
The technical features disclosed above are not limited to the combinations with other features disclosed, and other combinations between the technical features can be performed by those skilled in the art according to the purpose of the invention, so as to achieve the purpose of the invention.
Claims (8)
1. A portable cylinder permanent magnetism vortex descent control device which characterized in that includes: the device comprises a device shell (1), an internal rotor (2) and an escape rope; one end of the equipment shell (1) is provided with a rope threading hole (16); a first magnetic action component is fixed on the inner wall of the equipment shell (1); the inner rotor (2) comprises a rotor body (21) and a belt wheel (25), and the belt wheel (25) is arranged at one end of the rotor body (21); a second magnetic action component is arranged outside the rotor body (21); the inner rotor (2) is rotatably arranged in the equipment shell (1); the first magnetic action component is a permanent magnet (24), and the second magnetic action component is a conductor plate (19); alternatively, the first magnetic action component is a conductor plate (19), and the second magnetic action component is a permanent magnet (24); the escape rope passes through a rope threading hole (16) arranged on the equipment shell and is sleeved on the belt wheel (25).
2. A portable cartridge type permanent magnet eddy current descent control device according to claim 1, wherein the device housing (1) comprises a cylindrical housing body (11) with one open end and an end cap (12), the end cap (12) is mounted on the open end of the cylindrical housing through a bolt (3); the end cover (12) is provided with a rope threading hole (16) and a pressing plate (17), and the pressing plate (17) is connected with the end cover (12) to shield the rope threading hole (16); the pulley (25) corresponds to the rope threading hole (16) at the mounting position of the rotor body (21).
3. A portable cartridge type permanent magnet eddy current descent control device according to claim 2, further comprising an anti-sticking wheel (18), wherein the anti-sticking wheel (18) is installed in the middle of the rope passing hole (16), and the escape rope is arranged on both sides of the anti-sticking wheel (18).
4. A portable cartridge type permanent magnet eddy current descent control device according to claim 2, wherein the end cap (12) is further provided with a fixing mounting hole (15), and the end cap is connected with the fixing mounting hole (15) by inserting an adaptor fixed on a building into the fixing mounting hole.
5. A portable cartridge type permanent magnet eddy current descent control device according to claim 2, wherein a first bearing (13) is provided on an inner side wall of the cylindrical housing body (11), and a second bearing (14) is provided on an end cap (12); the inner rotor (2) comprises a rotor body (21), a first shaft lever (22) and a second shaft lever (23), the first shaft lever (22) is arranged at one end of the rotor body (21), and the second shaft lever (23) is arranged at the other end of the rotor body (21); the first bearing (13) is inserted into the first bearing (13), and the second shaft (23) is inserted into the second bearing (14).
6. A portable barrel-type permanent magnet eddy current descent control device according to any one of claims 1 to 5, wherein the conductor plate (19) is a cylindrical integral structure made of copper or aluminum.
7. A portable cylinder type permanent magnet eddy current descent control device according to any one of claims 1 to 5, wherein the permanent magnets (24) are a set of circumferentially arranged magnets.
8. A high-rise building distress escape method is characterized by comprising the following steps: step 1, fixedly connecting the portable drum-type permanent magnet escape device (100) of any one of claims 1 to 7 with a building; step 2, the escape rope passes through a rope threading hole (16) arranged on the equipment shell and is sleeved on a belt wheel (25); and 3, one end of the escape rope is connected to the body of the escape person, the escape person jumps out from the building outlet, and the reverse magnetic force generated by the induced current in the conductor plate (19) is utilized to brake, so that the escape person can land at a safe speed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467143.9A CN111569282A (en) | 2020-05-28 | 2020-05-28 | Portable cylindrical permanent magnet eddy current descent control device and escape method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010467143.9A CN111569282A (en) | 2020-05-28 | 2020-05-28 | Portable cylindrical permanent magnet eddy current descent control device and escape method |
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| CN111569282A true CN111569282A (en) | 2020-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010467143.9A Pending CN111569282A (en) | 2020-05-28 | 2020-05-28 | Portable cylindrical permanent magnet eddy current descent control device and escape method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567963A (en) * | 1983-05-26 | 1986-02-04 | Kabushiki Kaisha Miyano Seisakusho | Eddy current retarder for use in emergency escape as from higher stories of a building |
| CN101961531A (en) * | 2010-10-14 | 2011-02-02 | 西北工业大学 | Controllable permanent magnet eddy escape device |
| US20170333735A1 (en) * | 2016-05-20 | 2017-11-23 | Bailout, LLC | Personal escape device with eddy current braking |
| CN209286528U (en) * | 2018-11-29 | 2019-08-23 | 智慧航海（青岛）科技有限公司 | A kind of skyscraper escaping descent control device |
| CN110784091A (en) * | 2019-11-04 | 2020-02-11 | 清华大学 | Permanent magnet eddy descent control device |
| CN212466855U (en) * | 2020-05-28 | 2021-02-05 | 迈格钠磁动力股份有限公司 | Portable cylinder type permanent magnet eddy current descent control device |
-
2020
- 2020-05-28 CN CN202010467143.9A patent/CN111569282A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4567963A (en) * | 1983-05-26 | 1986-02-04 | Kabushiki Kaisha Miyano Seisakusho | Eddy current retarder for use in emergency escape as from higher stories of a building |
| CN101961531A (en) * | 2010-10-14 | 2011-02-02 | 西北工业大学 | Controllable permanent magnet eddy escape device |
| US20170333735A1 (en) * | 2016-05-20 | 2017-11-23 | Bailout, LLC | Personal escape device with eddy current braking |
| CN209286528U (en) * | 2018-11-29 | 2019-08-23 | 智慧航海（青岛）科技有限公司 | A kind of skyscraper escaping descent control device |
| CN110784091A (en) * | 2019-11-04 | 2020-02-11 | 清华大学 | Permanent magnet eddy descent control device |
| CN212466855U (en) * | 2020-05-28 | 2021-02-05 | 迈格钠磁动力股份有限公司 | Portable cylinder type permanent magnet eddy current descent control device |
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Effective date of registration: 20220216 Address after: Room 305, floor 3, building 1, No. 159 Xizhihe Road, Chaoyang District, Beijing 100023 Applicant after: Beijing guoci Power Technology Research Institute Co.,Ltd. Applicant after: MEG sodium magnetic power Co., Ltd Address before: 114016 No.22 Anqi Road, Anshan Economic Development Zone, Liaoning Province Applicant before: MAGNA MAGNETOMOTIVE Co.,Ltd. |