CN111840833A - Slowly-descending escape device - Google Patents
Slowly-descending escape device Download PDFInfo
- Publication number
- CN111840833A CN111840833A CN202010855661.8A CN202010855661A CN111840833A CN 111840833 A CN111840833 A CN 111840833A CN 202010855661 A CN202010855661 A CN 202010855661A CN 111840833 A CN111840833 A CN 111840833A
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- winding drum
- sliding sleeve
- escape device
- mounting shaft
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- 238000013016 damping Methods 0.000 claims abstract description 40
- 238000004804 winding Methods 0.000 claims abstract description 39
- 230000007246 mechanism Effects 0.000 claims abstract description 8
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 7
- 238000000429 assembly Methods 0.000 claims description 7
- 230000009194 climbing Effects 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 208000027418 Wounds and injury Diseases 0.000 description 5
- 230000005389 magnetism Effects 0.000 description 5
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000007717 exclusion Effects 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
Images
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
-
- 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
- A62B1/18—Other single parts for rope lowering-devices, e.g. take-up rollers for ropes, devices for shooting ropes
Abstract
The invention provides a slow-descent escape device, and belongs to the technical field of fire-fighting life-saving tools. The winding machine comprises a mounting plate, a winding drum, installation axle and slowly fall the rope, install the fixed setting of axle on the mounting panel, winding drum rotates to be connected on the installation axle, the one end of slowly falling the rope is fixed on winding drum, install the both ends of axle and be provided with a magnetic damping mechanism between the winding drum respectively, magnetic damping mechanism is including fixing the rotary drum on winding drum, the rotary drum rotates to be connected on installing the axle, install epaxial through spline sliding connection have a sliding sleeve, the guide slot that links to each other end to end has on the global of the inner of sliding sleeve, be provided with on the inner wall of synchronous cover and insert the guide block of establishing in the guide slot, the outer end of sliding sleeve is fixed and is provided with a fixed disk, circumference evenly is provided with a plurality of electromagnetic components on the fixed permanent magnetic stripe that is provided with a plurality of and electromagnetic components one-. The invention has the advantages of high reliability and the like.
Description
Technical Field
The invention belongs to the technical field of fire-fighting life-saving tools, and relates to a slow-descending escape device.
Background
The lifesaving descent control device is a common fire-fighting lifesaving device, and when a fire disaster occurs, escape personnel at a high-rise can escape from a fire scene along the outer wall of the high-rise through the lifesaving descent control device. Most of the existing modes are damping control, namely a friction mode, on a slow descending rope or a slow descending belt, the descending speed needs to be preset, the descending speed needs to be controlled in real time according to the situation of the fire scene, so that the slow descending safety and the escape efficiency can be comprehensively considered according to the scene situation and the actual situation of the escape personnel, in emergency situations, the speed is not reasonable before escape, the escape efficiency is influenced, misoperation and misjudgment are caused by great probability, the fire scene may be located below the floor where the escape personnel are located, the descending speed needs to be increased under the condition of large fire hazard, the descending speed can also be greatly changed along with the change of the descending height, the speed cannot be controlled at any time, the large potential safety hazard of falling injury exists, and the necessity of controlling the speed of the lifesaving slow descending device is reflected in the various conditions.
Disclosure of Invention
The invention aims to provide a slow descent escape device aiming at the problems in the prior art, and the technical problem to be solved by the invention is how to improve the reliability of the slow descent escape device.
The purpose of the invention can be realized by the following technical scheme: a slow descending escape device is characterized by comprising a mounting plate, a winding drum, a mounting shaft and a slow descending rope, wherein the mounting shaft is fixedly arranged on the mounting plate, the winding drum is rotatably connected to the mounting shaft, one end of the slow descending rope is fixed to the winding drum, the other end of the slow descending rope is provided with a lock hook, a magnetic damping mechanism is respectively arranged between two ends of the mounting shaft and the winding drum, the magnetic damping mechanism comprises a rotary drum fixed to the winding drum, the rotary drum is rotatably connected to the mounting shaft, a rotary sleeve is fixedly arranged on the rotary drum, a sliding sleeve is slidably connected to the mounting shaft through a spline, guide grooves connected end to end are formed in the peripheral surface of the inner end of the sliding sleeve, a synchronous sleeve sleeved outside the sliding sleeve is arranged on the rotary drum, a guide block inserted in the guide grooves is arranged on the inner wall of the synchronous sleeve, and a fixed disc is fixedly arranged at the outer end, the fixed disk can be located and rotate the cover, circumference evenly is provided with a plurality of electromagnetism subassembly on the fixed disk, the fixed permanent magnet strip that is provided with a plurality of and electromagnetism subassembly one-to-one that rotates on the inner wall of cover, the guide slot includes the guide section that end to end of a plurality of the same with the number of electromagnetism subassembly, the guide section includes the section of crossing of straight damping section, the reset section of slope and connection damping section and reset section, the number of guide block equals with the number of guide section, electromagnetism subassembly and permanent magnet strip mutex when the guide block is located the damping section.
When the guide block moves from the head end to the tail end of the turning section, the electromagnetic assembly is gradually far away from the permanent magnet strips along the axis direction of the sliding sleeve, and in the process, the fixed disc where the electromagnetic assembly is located rotates at a certain angle, so that the electromagnetic assembly is switched from a state of being over against the permanent magnet strips to a state of being located on the inner sides of the permanent magnet strips; when the in-process that the guide block removed from the section head end that resets to the end, the electromagnetism subassembly was close to the permanent magnetism strip along sliding sleeve axis direction, and this in-process, the fixed disk at electromagnetism subassembly place relatively rotated the cover and had the rotation of certain angle, made the electromagnetism subassembly reentrant permanent magnetism strip orbit, and is visible, and at the rotatory in-process of the relative rotation cover of fixed disk, the law of motion of the relative permanent magnetism strip of electromagnetism subassembly does: the electromagnetic assembly and the permanent magnet strips are located in the same motion track and close to each other, then the electromagnetic assembly is far away from the track where the permanent magnet strips are located and returns to the motion track of the permanent magnet strips after crossing the permanent magnet strips, and the process is repeated in the damping section, the electromagnetic assembly is close to the permanent magnet strips, and because of mutual exclusion of the electromagnetic assembly and the permanent magnet strips, resistance is generated between the rotary drum and the mounting shaft, the speed of the winding drum is driven to be reduced, and meanwhile, the winding of the guide groove can enable the electromagnetic assembly and the winding drum to generate resistance and force the speed.
Furthermore, smooth transition is formed between the damping section and the crossing section, between the crossing section and the resetting section and between the resetting section and the damping section.
Furthermore, a buffer spring is connected between the sliding sleeve and the mounting shaft.
The buffer spring has a damping effect on the movement of the sliding sleeve in the mounting shaft and has a buffering effect on the movement of the guide block in the guide groove.
Furthermore, the electromagnetic assembly comprises an armature framework, a coil wire wound on the armature framework and a power supply connected with the coil wire.
Furthermore, the power supply is a special power supply for fire fighting or an independent power supply adapted to a single descent control device.
The independent power supply can reduce the dependence of the reliability of the fire-fighting special power supply when a fire disaster occurs, and the reliability of the slow descending device is improved.
Further, the independent power source can be a storage battery arranged on the mounting plate, and the storage battery is connected with a solar panel arranged on the wall surface where the mounting plate is located.
The specific structure of the solar power supply storage battery is not described herein since it belongs to the conventional prior art.
Furthermore, a perforation is arranged in the descent control rope, a current control switch is arranged at one end of the descent control rope, which is provided with a lock hook, two coil wires are connected in parallel and then connected with the current control switch, and an electrified wire between the current control switch and the coil wires is loosened and penetrated in the perforation.
The slow descending rope is internally provided with a steel wire so as to lead the stretchability of the slow descending rope to be poor, so that the electrified conducting wire in the through hole has better reliability, one end of the slow descending rope, which is connected with the winding drum, is fixed on the winding drum, the electrified conducting wire extending out of the through hole is connected with an annular conducting terminal arranged on the wall of the winding drum, the conducting terminal and the other conducting terminal on the mounting shaft are always in a relatively rotatable conducting state, and the conducting terminal on the mounting shaft is connected to the coil conducting wire.
The electromagnetism subassembly sets up on the installation axle, because the installation axle is in the state of stewing, makes this structure need not structures such as brush and can supply power to the electromagnetism subassembly, and its reliability and stability are higher.
As another technical scheme, two coil wires are connected with a controller after being connected in parallel, one end of the slow descending rope, on which the lock hook is installed, is provided with a wireless switch, the wireless switch can send a control signal to the controller in a Bluetooth mode, and the controller can adjust the current value in the coil wires according to the signal sent by the wireless switch.
The mode of wireless power-on belongs to the conventional means, and the scheme has certain advantages in the aspect of simplifying the structure as another mode of adjusting the slow descending resistance.
Furthermore, the inclination angle between the crossing section and the damping section is larger than the inclination angle between the resetting section and the damping section.
The inclination angle between the crossing section and the damping section is larger, so that the electromagnetic assembly starts to be dislocated and deviated when being close to the permanent magnetic strips, and larger repulsive force can be utilized when the distance between the crossing section and the damping section is smaller.
Further, the number of the electromagnetic assemblies is two.
After the rope pulling force that slowly falls disappeared, but slowly fall the rope automatic rolling to next user uses, slowly fall the principle of rope automatic rolling and be: the electromagnetic assembly and the permanent magnet strips are mutually repellent, so that the installation shaft rotates relative to the winding drum, the guide block can be smoothly driven by the rotating inertia force to pass through the turning section and the resetting section, and when the slow descending rope is wound and stopped or cannot be automatically wound, the slow descending rope can be lightly pulled after the slow descending rope releases the bearing, so that the electromagnetic assembly and the permanent magnet strips are in the damping section. The coiling process still has the characteristics of pause and frustration type slow coiling.
In addition to the above features, the slow descending device can still have the slow descending function under the condition of power failure, namely, the relative speed between the installation shaft and the furling drum is not too fast through the matching of the guide groove and the guide block.
Drawings
Fig. 1 is a schematic structural view of the descent control device.
Fig. 2 is a perspective view of the roll-up drum.
3 fig. 3 3 3 is 3 a 3 sectional 3 view 3 taken 3 along 3 a 3- 3 a 3 in 3 fig. 3 1 3. 3
Fig. 4 is a schematic view of the channel after deployment.
Fig. 5 is a schematic perspective view of the sliding sleeve.
In the figure, 1, mounting plate; 2. a winding drum; 3. installing a shaft; 4. slowly descending a rope; 41. locking the hook; 51. a rotating drum; 52. rotating the sleeve; 53. a sliding sleeve; 54. a synchronous sleeve; 55. a guide block; 56. fixing the disc; 57. an electromagnetic assembly; 58. a permanent magnet strip; 59. a buffer spring; 6. a guide groove; 61. a damping section; 62. a reset segment; 63. the segment is flipped over.
Detailed Description
The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.
As shown in fig. 1 to 5, the device comprises a mounting plate 1, a winding drum 2, a mounting shaft 3 and a slow descending rope 4, wherein the mounting shaft 3 is fixedly arranged on the mounting plate 1, the winding drum 2 is rotatably connected to the mounting shaft 3, one end of the slow descending rope 4 is fixed on the winding drum 2, the other end of the slow descending rope 4 is provided with a locking hook 41, a magnetic damping mechanism is respectively arranged between the two ends of the mounting shaft 3 and the winding drum 2, the magnetic damping mechanism comprises a rotary drum 51 fixed on the winding drum 2, the rotary drum 51 is rotatably connected to the mounting shaft 3, a rotary sleeve 52 is fixedly arranged on the rotary drum 51, a sliding sleeve 53 is slidably connected to the mounting shaft 3 through splines, the circumferential surface of the inner end of the sliding sleeve 53 is provided with guide grooves 6 connected end to end, a synchronizing sleeve 54 sleeved outside the sliding sleeve 53 is arranged on the rotary drum 51, a guide block 55 inserted in the guide groove 6 is arranged on the inner wall, the fixed disk 56 can be located and rotate the cover 52, the circumference evenly is provided with a plurality of electromagnetism subassembly 57 on the fixed disk 56, it is provided with a plurality of and electromagnetism subassembly 57 one-to-one's permanent magnetism strip 58 to rotate the fixed on the inner wall of cover 52, guide slot 6 includes the same a plurality of end to end's of number with electromagnetism subassembly 57 direction section, the direction section includes straight damping section 61, the section 62 that resets of slope and the section 63 that turns over of connecting damping section 61 and the section 62 that resets, the number of guide block 55 equals with the number of direction section, electromagnetism subassembly 57 and permanent magnetism strip 58 mutex when the guide block 55 is located damping section 61.
When the guide block 55 moves from the head end to the tail end of the transition section 63, the electromagnetic assembly 57 gradually moves away from the permanent magnet bar 58 along the axial direction of the sliding sleeve 53, and in the process, the fixed disc 56 where the electromagnetic assembly 57 is located rotates at a certain angle, so that the electromagnetic assembly 57 is switched from a state of being over against the permanent magnet bar 58 to a state where the electromagnetic assembly 57 is located on the inner side of the permanent magnet bar 58; when the guide block 55 moves from the head end to the tail end of the reset segment 62, the electromagnetic assembly 57 approaches the permanent magnet bar 58 along the axial direction of the sliding sleeve 53, in this process, the fixed disk 56 where the electromagnetic assembly 57 is located rotates at a certain angle relative to the rotating sleeve 52, so that the electromagnetic assembly 57 reenters the running track of the permanent magnet bar 58, and as can be seen, in the process that the fixed disk 56 rotates relative to the rotating sleeve 52, the movement rule of the electromagnetic assembly 57 relative to the permanent magnet bar 58 is as follows: the electromagnetic assembly 57 and the permanent magnet bar 58 are located in the same motion track and close to each other, then the electromagnetic assembly 57 is far away from the track of the permanent magnet bar 58 and returns to the motion track of the permanent magnet bar 58 after crossing over the permanent magnet bar 58, and in the process that the electromagnetic assembly 57 approaches the permanent magnet bar 58 in the damping section 61, because of mutual exclusion of the two, resistance is generated between the rotary drum 51 and the mounting shaft 3 to drive the winding drum 2 to decelerate, and meanwhile, the winding of the guide groove 6 can also make the two generate resistance and force the winding drum 2 to decelerate.
The transition between the damping section 61 and the transition section 63, between the transition section 63 and the reset section 62, and between the reset section 62 and the damping section 61 is smooth.
A buffer spring 59 is connected between the sliding sleeve 53 and the mounting shaft 3. The buffer spring 59 has a damping effect on the movement of the slide bush 53 in the mounting shaft 3 and a buffering effect on the movement of the guide block 55 in the guide groove 6.
The electromagnetic assembly 57 includes an armature frame, a coil wire wound around the armature frame, and a power supply connected to the coil wire.
As an optional item, the power supply is a special power supply for fire fighting or an independent power supply matched with a single descent control device. The independent power supply can reduce the dependence of the reliability of the fire-fighting special power supply when a fire disaster occurs, and the reliability of the slow descending device is improved.
The independent power supply can be a storage battery arranged on the mounting plate 1, and the storage battery is connected with a solar panel arranged on the wall surface where the mounting plate 1 is located. The specific structure of the solar power supply storage battery is not described herein since it belongs to the conventional prior art.
The slow descending rope 4 is internally provided with a through hole, one end of the slow descending rope 4, which is provided with the lock hook 41, is provided with a current control switch, two coil leads are connected in parallel and then connected with the current control switch, and an electrified lead between the current control switch and the coil lead is loosely penetrated in the through hole. The slow descending rope 4 is internally provided with a steel wire so that the stretchability of the slow descending rope 4 is poor, and therefore the electrified conducting wire in the through hole has better reliability, one end of the slow descending rope 4, which is connected with the winding drum 2, is fixed on the winding drum 2, the electrified conducting wire extending out of the through hole is connected with an annular conducting terminal arranged on the drum wall of the winding drum 2, the conducting terminal and the other conducting terminal on the mounting shaft 3 are always in a relatively rotatable conducting state, and the conducting terminal on the mounting shaft 3 is connected to the coil conducting wire.
As another technical scheme, two coil wires are connected in parallel and then connected with a controller, one end of the descent control rope 4, on which the lock hook 41 is installed, is provided with a wireless switch, the wireless switch can send a control signal to the controller in a Bluetooth mode, and the controller can adjust the current value in the coil wires according to the signal sent by the wireless switch. The mode of wireless power-on belongs to the conventional means, and the scheme has certain advantages in the aspect of simplifying the structure as another mode of adjusting the slow descending resistance.
The inclination angle between the skip section 63 and the damping section 61 is greater than the inclination angle between the reset section 62 and the damping section 61. The greater angle of inclination between the transit section 63 and the damping section 61 enables the electromagnetic assembly 57 to begin to be misaligned immediately adjacent to the permanent magnet bars 58, enabling the greater repulsion forces to be utilized when the distance between the two is small.
As shown in fig. 3, there are two electromagnetic assemblies 57, two guide sections of the guide slot, and two permanent magnet bars.
4 pulling forces of rope slowly falling disappear after, but 4 self-winding of rope slowly falling to next user uses, and the principle of 4 self-winding of rope slowly falling is: the electromagnetic assembly 57 and the permanent magnetic strips 58 repel each other, so that the mounting shaft 3 rotates relative to the winding drum 2, the guide block 55 can be driven by the rotating inertia force to smoothly pass through the turning section 63 and the resetting section 62, and when the descent control rope 4 is wound and stopped or cannot be automatically wound, the descent control rope 4 can be lightly pulled after the descent control rope 4 releases the bearing, so that the electromagnetic assembly 57 and the permanent magnetic strips 58 are in the damping section 61. The coiling process still has the characteristics of pause and frustration type slow coiling.
In addition to the above features, the slow descending device can still have the slow descending function under the condition of power failure, that is, the relative speed between the mounting shaft 3 and the winding drum 2 is not too fast through the cooperation of the guide groove 6 and the guide block 55.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the invention as defined in the appended claims.
Claims (8)
1. The slow descending escape device is characterized by comprising a mounting plate (1), a winding drum (2), a mounting shaft (3) and a slow descending rope (4), wherein the mounting shaft (3) is fixedly arranged on the mounting plate (1), the winding drum (2) is rotatably connected to the mounting shaft (3), one end of the slow descending rope (4) is fixed on the winding drum (2), the other end of the slow descending rope (4) is provided with a lock hook (41), a magnetic damping mechanism is respectively arranged between the two ends of the mounting shaft (3) and the winding drum (2), the magnetic damping mechanism comprises a rotary drum (51) fixed on the winding drum (2), the rotary drum (51) is rotatably connected to the mounting shaft (3), a rotary sleeve (52) is fixedly arranged on the rotary drum (51), and the mounting shaft (3) is slidably connected with a sliding sleeve (53) through splines, the circumferential surface of the inner end of the sliding sleeve (53) is provided with guide grooves (6) which are connected end to end, the rotary drum (51) is provided with a synchronous sleeve (54) which is sleeved outside the sliding sleeve (53), the inner wall of the synchronous sleeve (54) is provided with a guide block (55) which is inserted in the guide grooves (6), the outer end of the sliding sleeve (53) is fixedly provided with a fixed disc (56), the fixed disc (56) can be positioned in the rotary sleeve (52), the fixed disc (56) is circumferentially and uniformly provided with a plurality of electromagnetic assemblies (57), the inner wall of the rotary sleeve (52) is fixedly provided with a plurality of permanent magnetic strips (58) which are in one-to-one correspondence with the electromagnetic assemblies (57), the guide grooves (6) comprise a plurality of guide sections which are connected end to end and have the same number with the electromagnetic assemblies (57), each guide section comprises a flat damping section (61), an inclined resetting section (62) and turning sections (63) which are connected with the damping section (61) and the resetting section, the number of the guide blocks (55) is equal to that of the guide sections, and when the guide blocks (55) are located in the damping section (61), the electromagnetic assemblies (57) and the permanent magnet bars (58) are mutually exclusive.
2. A slow descent escape device as claimed in claim 1, wherein the transition between the damping section (61) and the transition section (63), between the transition section (63) and the return section (62), and between the return section (62) and the damping section (61) is smooth.
3. A slow descent escape device as claimed in claim 2, wherein a buffer spring (59) is connected between the sliding sleeve (53) and the mounting shaft (3).
4. A slow descent escape device as claimed in claim 1, 2 or 3, wherein the electromagnetic assembly (57) comprises an armature frame, a coil wire wound around the armature frame and a power supply connected to the coil wire.
5. A slow descent escape device as claimed in claim 4, wherein the power supply is a fire-fighting dedicated power supply or an independent power supply adapted to a single slow descent device.
6. A slow descent escape device as claimed in claim 4, wherein the independent power supply is a battery disposed on the mounting plate (1), and the battery is connected to a solar panel disposed on the wall surface where the mounting plate (1) is located.
7. A slow descent escape device according to claim 1, 2 or 3, wherein the angle of inclination between the climbing section (63) and the damping section (61) is greater than the angle of inclination between the resetting section (62) and the damping section (61).
8. A slow descent escape device according to claim 1, 2 or 3, wherein there are two electromagnetic assemblies (57).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010855661.8A CN111840833B (en) | 2020-08-24 | 2020-08-24 | Slowly-descending escape device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010855661.8A CN111840833B (en) | 2020-08-24 | 2020-08-24 | Slowly-descending escape device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111840833A true CN111840833A (en) | 2020-10-30 |
| CN111840833B CN111840833B (en) | 2023-12-22 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010855661.8A Active CN111840833B (en) | 2020-08-24 | 2020-08-24 | Slowly-descending escape device |
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| Country | Link |
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| CN (1) | CN111840833B (en) |
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| CN101293125A (en) * | 2008-06-19 | 2008-10-29 | 四川宁江精密工业有限责任公司 | Reciprocating live-saving equipment |
| CN102371033A (en) * | 2010-08-18 | 2012-03-14 | 深圳职业技术学院 | Slow descending device |
| CN202516181U (en) * | 2011-12-07 | 2012-11-07 | 北京建筑工程学院 | Electromagnetic damping type slowly descending device |
| CN202637756U (en) * | 2012-06-05 | 2013-01-02 | 刘晓桐 | Descending escape device |
| CN104511101A (en) * | 2013-09-30 | 2015-04-15 | 谢孟达 | Escape device and using method thereof |
| CN204447018U (en) * | 2015-01-05 | 2015-07-08 | 吴江市锦亿嘉纺织品有限公司 | A kind of self-rescuing balcony passway for escaping of magnetic buffering |
| CN204840703U (en) * | 2015-06-30 | 2015-12-09 | 河南机电高等专科学校 | Flee and slowly fall ware |
| CN105688340A (en) * | 2016-04-11 | 2016-06-22 | 张文革 | Novel multifunctional descent control device with cyclic lifting function |
| CN107510901A (en) * | 2017-08-23 | 2017-12-26 | 西安科技大学 | A kind of skyscraper emergency escape rescue rate controlling slow descending device and method |
| DE102016119576A1 (en) * | 2016-10-13 | 2018-04-19 | Lorenz Hasenbach Gmbh U. Co. Kg | Fall arrester and safety system with fall arrester |
| CN110585612A (en) * | 2019-10-02 | 2019-12-20 | 青岛智享专利技术开发有限公司 | Building body fire escape device |
| CN212395626U (en) * | 2020-08-24 | 2021-01-26 | 湖北科技学院 | Slowly-descending escape device |
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2020
- 2020-08-24 CN CN202010855661.8A patent/CN111840833B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293125A (en) * | 2008-06-19 | 2008-10-29 | 四川宁江精密工业有限责任公司 | Reciprocating live-saving equipment |
| CN102371033A (en) * | 2010-08-18 | 2012-03-14 | 深圳职业技术学院 | Slow descending device |
| CN202516181U (en) * | 2011-12-07 | 2012-11-07 | 北京建筑工程学院 | Electromagnetic damping type slowly descending device |
| CN202637756U (en) * | 2012-06-05 | 2013-01-02 | 刘晓桐 | Descending escape device |
| CN104511101A (en) * | 2013-09-30 | 2015-04-15 | 谢孟达 | Escape device and using method thereof |
| CN204447018U (en) * | 2015-01-05 | 2015-07-08 | 吴江市锦亿嘉纺织品有限公司 | A kind of self-rescuing balcony passway for escaping of magnetic buffering |
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| CN105688340A (en) * | 2016-04-11 | 2016-06-22 | 张文革 | Novel multifunctional descent control device with cyclic lifting function |
| DE102016119576A1 (en) * | 2016-10-13 | 2018-04-19 | Lorenz Hasenbach Gmbh U. Co. Kg | Fall arrester and safety system with fall arrester |
| CN107510901A (en) * | 2017-08-23 | 2017-12-26 | 西安科技大学 | A kind of skyscraper emergency escape rescue rate controlling slow descending device and method |
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| CN212395626U (en) * | 2020-08-24 | 2021-01-26 | 湖北科技学院 | Slowly-descending escape device |
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| Publication number | Publication date |
|---|---|
| CN111840833B (en) | 2023-12-22 |
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