CN212118779U - Permanent magnet type high-altitude slow-descending escape device - Google Patents
Permanent magnet type high-altitude slow-descending escape device Download PDFInfo
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- CN212118779U CN212118779U CN202020068715.1U CN202020068715U CN212118779U CN 212118779 U CN212118779 U CN 212118779U CN 202020068715 U CN202020068715 U CN 202020068715U CN 212118779 U CN212118779 U CN 212118779U
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- 239000004020 conductor Substances 0.000 claims abstract description 44
- 238000004804 winding Methods 0.000 claims abstract description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 17
- 239000010959 steel Substances 0.000 claims description 17
- 238000009434 installation Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000696 magnetic material Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model belongs to the field of emergency rescue, and relates to a permanent magnet type high-altitude slow-falling escape device, which comprises a backpack main body and a locking structure, wherein the locking structure is connected to a backboard main body and is used for fixing the backpack main body on a user; the fixed shaft is horizontally arranged in the backpack; the permanent magnet is fixedly sleeved on the fixed shaft; the wheel body is rotatably arranged on the fixed shaft through a bearing, the interior of the wheel body is hollow, and the permanent magnet is positioned in the hollow part of the interior of the wheel body; the conductor disc is fixed on the end surface of the inner side of the wheel body inner wheel body, and is opposite to and adjacent to the end surface of the permanent magnet; the haulage rope, its first end fixed connection is on the wheel body, and the haulage rope main part winding is at the outer anchor ring of wheel body, the haulage rope second end stretches out the knapsack main part, and the haulage rope second end is used for binding with outside fixed point. The escape device is not limited by conditions and the weight of a user, and is widely applicable.
Description
Technical Field
The utility model belongs to the emergency rescue field relates to a high altitude escape device that slowly falls.
Background
In 2018, 10.7 thousands of residences in China have a fire, so 1122 people die, and most of the residents are not equipped with proper high-rise quick-falling devices in homes, so that people can fall to the ground from high floors quickly and are prevented from being damaged by the fire.
The existing high-rise building slow-falling escape device is of a mechanical type, a main component is a speed-limiting gear set or a centrifugal brake, and auxiliary components comprise a steel wire rope, a safety belt, a fixer and the like. When the speed limiting device is used, one end of the steel wire rope is fixed on the fixer, the other end of the steel wire rope penetrates through the main body equipment and is fixed on a user, and the main body equipment is used for limiting the speed of the steel wire rope to realize slow descending.
At present, the existing high-altitude slow descending technologies are about four, which are respectively an 8-shaped ring type slow descending device, a manual control type slow descending device, a friction damping type slow descending device and an escape type slow descending device, and mainly have the following defects:
(1) the equipment is mostly constant, and a user descends at the same speed at any time, so that the use requirements of high-altitude rapid descending and low-altitude slow descending cannot be met;
(2) the weight of a user is limited by the equipment, and the equipment cannot be used due to too low or too high weight, so that the application range of the product is limited;
(3) the 8-shaped ring type descent control device and the manual control type descent control device can be used by people who are trained professionally, and ordinary people are difficult to control and are easy to get out of danger. The friction damping descent control device has high requirements on the surrounding environment, and oil, water, high temperature and the like can affect equipment. Although the escape type descent control device has low requirements on the surrounding environment, the escape type descent control device has strong impact force during operation, and the internal structure is easy to damage.
Due to the defects, the using distance of most of the existing descent control devices in the market is limited to 6-50 meters, and when the descent control height of a user is too high, the rope and the speed-limiting main body part are damaged by heat generated by friction, so that the descent control function is lost. On the other hand, the existing equipment limits the weight of a user to 30 kg-95 kg, if the weight of the user is too low, the descent control equipment cannot work, and if the weight of the user is too high, the descent control device fails.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems, the utility model provides a permanent magnet type high altitude slow descent escape device which is not limited by conditions and the weight of a user and is widely applicable.
In order to achieve the above object, the utility model adopts the following technical scheme:
a permanent-magnet high-altitude slow-descending escape device comprises
The main body of the backpack is provided with a backpack body,
the locking structure is connected to the back plate main body and used for fixing the backpack main body on a user;
the fixed shaft is horizontally arranged in the backpack;
the permanent magnet is fixedly sleeved on the fixed shaft;
the wheel body is rotatably arranged on the fixed shaft through a bearing, the interior of the wheel body is hollow, and the permanent magnet is positioned in the hollow part of the interior of the wheel body;
the conductor disc is fixed on the end surface of the inner side of the wheel body inner wheel body, and the conductor disc is opposite to and adjacent to the end surface of the permanent magnet;
the haulage rope, its first end fixed connection is on the wheel body, and the haulage rope main part winding is at the outer anchor ring of wheel body, the haulage rope second end stretches out the knapsack main part, and the haulage rope second end is used for binding with outside fixed point.
Preferably, the locking structure comprises shoulder straps for binding at both shoulders of the user and a waist fixing strap for binding at the waist of the user.
Preferably, the fixed shaft is fixedly provided with an annular permanent magnet mounting plate, the permanent magnet mounting plate comprises an inner support ring, an outer support ring and a plurality of supporting bodies, the inner support ring and the outer support ring are coaxially arranged, two ends of each supporting body are respectively connected with the inner support ring and the outer support ring, and a permanent magnet groove for placing a permanent magnet is formed by enclosing the inner support ring, the outer support ring and the supporting bodies.
Preferably, the support body is radially arranged, and the permanent magnet grooves and the permanent magnets are annularly and symmetrically arranged.
Preferably, the wheel body comprises a slow-falling device shell and two conductor mounting discs, a through hole is formed in the axis of each conductor mounting disc, the conductor mounting discs are rotatably sleeved on the fixed shaft through bearings and the through holes in the axis, the permanent magnets are located between the two conductor mounting discs, the slow-falling device shell is cylindrical, two ends of the slow-falling device shell are fixedly connected to the edge of the outer ring of the conductor mounting disc respectively, and the traction rope is wound on the outer annular surface of the slow-falling device shell.
Preferably, plate-shaped descent control device holders are respectively mounted at two ends of the fixed shaft, and the fixed shaft is fixed inside the backpack through the descent control device holders.
Preferably, the backpack has a position holding device inside, the traction rope extends out of the backpack after passing through the position holding device, and the position holding device is used for moving the steel wire rope from a fixed position.
Preferably, the backpack bottom is provided with a wind hole for radiating heat inside the backpack; the hauling cable is a steel wire rope.
Preferably, the second end of the hauling cable is provided with a safety catch.
Use the utility model discloses a beneficial effect is:
the rotating part of the device consists of a copper disc, and the fixed part consists of a permanent magnet mounting disc and permanent magnets uniformly distributed in the permanent magnet mounting disc. In the operation process of the device, the two parts rotate relatively, and the slow descending effect is realized by utilizing the interaction between the eddy current induction magnetic field generated on the copper disc and the permanent magnetic field. The product works in a non-contact mode, friction loss cannot be generated in the working process, the weight of a user is not required, and the product can be used by users with any weight to quickly drop. The escape device meets the requirement of high-altitude slow descent by using the braking effect of the vortex, is small in size, has no requirement on the use environment, can overcome the limitations of weight, falling speed, use environment and the like of the traditional high-altitude slow descent equipment, and can realize the slow descent of 0.5-1.5 m/s when a user uses the equipment.
Drawings
Fig. 1 is a schematic structural view of the permanent magnet type high altitude slow descent escape device of the utility model.
Fig. 2 is a schematic structural view of the main body of the permanent magnet type high altitude slow descent escape device of the present invention.
Fig. 3 is a schematic view of a permanent magnet installation plate in the permanent magnet type high-altitude slow-descent escape device.
The reference numerals include:
1-shoulder harness; 2-waist fixing belt; 3-a backpack body; 4-a steel wire rope; 5, safe locking; 6-expansion bolts; 7-wall fixer; 8, a wall body; 9-a position holding device; 10-slow descending device fixer; 11-slow descending device outer shell; 12-air holes; 13-conductor mounting plate; 14-a conductor disc; 15-a fixed shaft; 16-a permanent magnet; 17-a permanent magnet mounting plate; 18-a bearing; 19-permanent magnet slot.
Detailed Description
In order to make the purpose, technical solution and advantages of the present technical solution more clear, the present technical solution is further described in detail below with reference to specific embodiments. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present teachings.
As shown in fig. 1-3, the permanent magnet type high altitude slow descent escape device provided in this embodiment includes a backpack body 3; a locking structure connected to the back plate main body, the locking structure being used for fixing the backpack main body 3 on the body of a user; a fixed shaft 15 horizontally disposed inside the backpack; the permanent magnet 16 is fixedly sleeved on the fixed shaft 15; a wheel body which is rotatably arranged on the fixed shaft 15 through a bearing 18, wherein the wheel body is hollow, and the permanent magnet 16 is positioned in the hollow part of the wheel body; the conductor disc 14 is fixed on the inner side end face of the wheel body inner wheel body, and the conductor disc 14 is opposite to and adjacent to the end face of the permanent magnet 16; the haulage rope, its first end fixed connection is on the wheel body, and the haulage rope main part winding is in the outer anchor ring of wheel body, and the haulage rope second end stretches out knapsack main part 3, and the haulage rope second end is used for binding with outside fixed point.
Preferably, the locking structure comprises shoulder straps 1 for being bound at the shoulders of the user and waist fixing straps 2 for being bound at the waist of the user, so that the backpack body 3 is fixed on the back of the user and does not fall off when the escape device is used.
In this embodiment, an annular permanent magnet mounting plate 17 is fixedly mounted on the fixed shaft 15, the permanent magnet 16 mounting plate includes an inner supporting ring, an outer supporting ring and a plurality of supporting bodies, the inner supporting ring and the outer supporting ring are coaxially disposed, two ends of each supporting body are respectively connected with the inner supporting ring and the outer supporting ring, and a permanent magnet groove 19 for placing the permanent magnet 16 is defined between the inner supporting ring, the outer supporting ring and the supporting bodies. The support bodies are arranged in a radial mode, and the permanent magnet grooves 19 and the permanent magnets 16 are arranged in a ring-shaped symmetrical mode.
The wheel body is including slowly falling device shell body 11 and two conductor mounting discs 13, conductor mounting disc 13 axle center setting has the through-hole, conductor mounting disc 13 passes through bearing 18 and the rotatable suit of axle center department through-hole on fixed axle 15, permanent magnet 16 is located between two conductor mounting discs 13, slowly fall device shell body 11 and be the tube-shape, slowly fall device shell body 11 both ends difference fixed connection at conductor mounting disc 13 outer ring edge, the haulage rope winding is in slowly falling device shell body 11 outer anchor ring, its conductor mounting disc 13 is as bearing structure, the while is used for conductor disc 14's mounting structure, make wheel body compact structure, weight reduces.
Plate-shaped descent control device holders 10 are respectively mounted at both ends of the fixed shaft 15, and the fixed shaft 15 is fixed inside the backpack through the descent control device holders 10.
The backpack is internally provided with a position keeping device 9, the traction rope passes through the position keeping device 9 and extends out of the backpack, and the position keeping device 9 is used for moving the steel wire rope 4 from a fixed position.
The bottom of the backpack is provided with a wind hole 12 for radiating heat inside the backpack; the hauling cable is a steel wire rope 4. The second end of the pull cord has a safety catch 5.
Specifically, the escape device mainly comprises four parts, including a main body part, a backpack body 3, a steel wire rope 4 and a wall body fixer 7. The main structure comprises two components, wherein the first component is a conductor disc 14 component, and consists of a conductor mounting disc 13 and a conductor disc 14, the conductor disc 14 is made of metal with high conductivity, the conductor mounting disc 13 is arranged outside the conductor disc 14 and is made of steel with good magnetic conductivity and high structural strength, and the conductor mounting disc 13 is connected with the slow descent device outer shell 11 through bolts; the other component of the device is a permanent magnet mounting disc 17 component which consists of a permanent magnet mounting disc 17 and a permanent magnet 16, the permanent magnet mounting disc 17 is made of aluminum or other non-magnetic materials and used for fixing the permanent magnet 16, permanent magnet grooves 19 which are uniformly distributed along the circumferential direction are formed in the permanent magnet mounting disc 17, the number of the grooves is even, and the high-performance permanent magnet 16 is placed in the grooves and used for providing an air gap magnetic field. Two parts of the main structure of the device are kept in relative positions by the bearing 18, and the rest parts are not in mechanical contact.
In the using process, the steel wire rope 4 drives the slow descending device outer shell 11, the conductor mounting disc 13 and the conductor disc 14 to rotate, the conductor disc 14 cuts an air gap magnetic field generated by the permanent magnet 16, an induced eddy magnetic field is generated on the conductor disc 14, and the eddy magnetic field and the air gap magnetic field interact to generate braking torque, so that the relative rotating speed between the conductor disc 14 and the permanent magnet mounting disc 17 is limited, and the function of high-altitude slow descending is further realized.
The device main body structure and the wire rope 4 are integrally placed in the backpack main body 3, one end of the wire rope 4 is arranged outside the backpack, when a user uses the device, one end of the wire rope 4 is directly fixed on indoor firm devices such as a heater and a fixer, the backpack is carried, the backpack is fixed on the upper half body, and then the backpack directly jumps out of the window.
Specifically, as shown in fig. 1, the shoulder harness 1 can directly lift the high altitude descent control device by the shoulder harness 1. The waist fixing belt 2 is used for fixing the high-altitude slow descending device on the body of a user. The high-altitude slow descending device, the steel wire rope 4, accessories and the like are arranged in the backpack body 3. For wire rope 4, intensity is big, and has the fire behavior, and one end links to each other with safety lock 5, and the other end is fixed on slowly falling device shell body 11, on converting user's gravity into fixing device, realizes slowly falling the purpose. The safety lock catch 5 is used for fixing one end of the fireproof high-strength steel wire rope 4 on the wall body 8. The wall fixer 7 is tightly connected with the wall 8 through the expansion bolt 6, and if a user has articles which can not move such as a heater, fixed furniture and the like indoors, the wall fixer can be directly fixed on the articles which can not move, so that the use difficulty is reduced. The position holding device 9 is used to move the wire rope 4 from a fixed position. The descent control device holder 10 is used to fix the descent control device in the backpack body 3. The descent control device outer shell 11 is used for winding the steel wire rope 4 and fixing the conductor disc 14 in the descent control device. The air holes 12 are used to dissipate heat from the internal components of the backpack body 3.
As shown in fig. 2, the main body part of the permanent magnet type high altitude slow descent escape device is fixed inside the backpack through a slow descent device fixer 10. The conductor mounting plate 13 is mainly used for mounting the conductor plate 14 and providing a loop for a magnetic field; when the high-altitude slow descending device is used, the conductor disc 14 cuts a permanent magnetic field generated by the permanent magnet 16, an induced eddy current is generated inside the conductor disc 14, the induced eddy current and the permanent magnetic field interact to generate a braking torque, and the descending speed of a user is maintained at 0.5-1.5 m/s; the fixed shaft 15 is mainly used for connecting the descent control device fixer 10 and the permanent magnet mounting disc 17, so that the permanent magnet mounting disc 17 cannot rotate and displace in the backpack; the permanent magnet 16 is arranged inside the permanent magnet mounting plate 17 and used for providing a permanent magnetic field; the permanent magnet mounting plate 17 is used for fixing the relative positions of the permanent magnets 16, so that the permanent magnets 16 cannot displace; the bearing 18 serves to fix the relative position between the conductor mounting plate 13 and the fixed shaft 15.
As shown in fig. 3, 8 permanent magnet slots 19 are formed in the permanent magnet mounting plate 17, the permanent magnet slots 19 have the same shape as the permanent magnets 16 and play a role in fixing the relative positions of the permanent magnets 16, and the number of the permanent magnet slots 19 is an even number and is related to the number of the permanent magnets 16.
To sum up, the escape device realizes the requirement of high-altitude slow descent by utilizing the braking effect of the vortex, has small volume and no requirement on the use environment, can overcome the limitations of the traditional high-altitude slow descent equipment in aspects of weight, falling speed, use environment and the like, and can realize the slow descent of 0.5-1.5 m/s when a user uses the equipment.
The foregoing is only a preferred embodiment of the present invention, and many variations can be made in the specific embodiments and applications of the present invention by those skilled in the art without departing from the spirit of the present invention.
Claims (9)
1. A permanent magnet type high-altitude slow-descending escape device is characterized in that: comprises that
The main body of the backpack is provided with a backpack body,
the locking structure is connected to the back plate main body and used for fixing the backpack main body on a user;
the fixed shaft is horizontally arranged in the backpack;
the permanent magnet is fixedly sleeved on the fixed shaft;
the wheel body is rotatably arranged on the fixed shaft through a bearing, the interior of the wheel body is hollow, and the permanent magnet is positioned in the hollow part of the interior of the wheel body;
the conductor disc is fixed on the end surface of the inner side of the wheel body inner wheel body, and the conductor disc is opposite to and adjacent to the end surface of the permanent magnet;
the haulage rope, its first end fixed connection is on the wheel body, and the haulage rope main part winding is at the outer anchor ring of wheel body, the haulage rope second end stretches out the knapsack main part, and the haulage rope second end is used for binding with outside fixed point.
2. The permanent magnet type high altitude slow descent escape device according to claim 1, wherein: the locking structure comprises shoulder straps for being bound at the shoulders of a user and a waist fixing strap for being bound at the waist of the user.
3. The permanent magnet type high altitude slow descent escape device according to claim 1, wherein: the permanent magnet installation plate comprises an inner support ring, an outer support ring and a plurality of supports, the inner support ring and the outer support ring are coaxially arranged, two ends of each support are respectively connected with the inner support ring and the outer support ring, and a permanent magnet groove for placing a permanent magnet is formed by enclosing the inner support ring, the outer support ring and the supports.
4. The permanent magnet type high altitude slow descent escape device according to claim 3, wherein: the permanent magnet slot is in accordance with the permanent magnet shape.
5. The permanent magnet type high altitude slow descent escape device according to claim 3, wherein: the wheel body is including slowly falling device shell body and two conductor mounting discs, conductor mounting disc axle center setting has the through-hole, the conductor mounting disc passes through the rotatable suit of bearing and axle center department through-hole on the fixed axle, the permanent magnet is located between two conductor mounting discs, slowly falls the device shell body and is the tube-shape, slowly falls device shell body both ends difference fixed connection at conductor mounting disc outer ring edge, the haulage rope winding is at the outer anchor ring of slowly falling device shell body.
6. The permanent magnet type high altitude slow descent escape device according to claim 1, wherein: plate-shaped descent control device fixing devices are respectively installed at two ends of the fixing shaft, and the fixing shaft is fixed inside the backpack through the descent control device fixing devices.
7. The permanent magnet type high altitude slow descent escape device according to claim 1, wherein: the backpack is internally provided with a position retaining device, the traction rope passes through the position retaining device and then extends out of the backpack, and the position retaining device is used for enabling the steel wire rope to move from a fixed position.
8. The permanent magnet type high altitude slow descent escape device according to claim 1, wherein: the bottom of the backpack is provided with a wind hole for radiating heat inside the backpack; the hauling cable is a steel wire rope.
9. The permanent magnet type high altitude slow descent escape device according to claim 1, wherein: the second end of the hauling cable is provided with a safety lock catch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020068715.1U CN212118779U (en) | 2020-01-13 | 2020-01-13 | Permanent magnet type high-altitude slow-descending escape device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020068715.1U CN212118779U (en) | 2020-01-13 | 2020-01-13 | Permanent magnet type high-altitude slow-descending escape device |
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| CN212118779U true CN212118779U (en) | 2020-12-11 |
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| CN202020068715.1U Active CN212118779U (en) | 2020-01-13 | 2020-01-13 | Permanent magnet type high-altitude slow-descending escape device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111027A (en) * | 2020-01-13 | 2020-05-08 | 煤科集团沈阳研究院有限公司 | Permanent magnet type high-altitude slow-descending escape device |
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2020
- 2020-01-13 CN CN202020068715.1U patent/CN212118779U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111111027A (en) * | 2020-01-13 | 2020-05-08 | 煤科集团沈阳研究院有限公司 | Permanent magnet type high-altitude slow-descending escape device |
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Address after: 113122 No.11 Binhe Road, Shenfu demonstration area, Fushun City, Liaoning Province Patentee after: Shenyang Research Institute Co.,Ltd. Address before: 113122 No. 11 Binhe Road, Fushun Economic Development Zone, Fushun City, Liaoning Province Patentee before: CCTEG (China Coal Technology and Engineering Group Corp.) |