[go: up one dir, main page]

CN105688340B - Novel multifunctional descent control device capable of circularly ascending and descending - Google Patents

Novel multifunctional descent control device capable of circularly ascending and descending Download PDF

Info

Publication number
CN105688340B
CN105688340B CN201610219526.8A CN201610219526A CN105688340B CN 105688340 B CN105688340 B CN 105688340B CN 201610219526 A CN201610219526 A CN 201610219526A CN 105688340 B CN105688340 B CN 105688340B
Authority
CN
China
Prior art keywords
friction
friction plate
control device
descent control
descending
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201610219526.8A
Other languages
Chinese (zh)
Other versions
CN105688340A (en
Inventor
张文革
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201610219526.8A priority Critical patent/CN105688340B/en
Publication of CN105688340A publication Critical patent/CN105688340A/en
Application granted granted Critical
Publication of CN105688340B publication Critical patent/CN105688340B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00Devices for lowering persons from buildings or the like
    • A62B1/06Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/14Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope
    • AHUMAN NECESSITIES
    • A62LIFE-SAVING; FIRE-FIGHTING
    • A62BDEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B1/00Devices for lowering persons from buildings or the like
    • A62B1/06Devices for lowering persons from buildings or the like by making use of rope-lowering devices
    • A62B1/16Life-saving ropes or belts

Landscapes

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

Abstract

The invention discloses a novel multifunctional descent control device capable of circularly lifting, which comprises a shell provided with an outlet of a descent control rope, friction plates and the descent control rope, wherein the shell is provided with shoulder straps, a rotating shaft used for installing the friction plates and winding the descent control rope and a transmission shaft used for driving the rotating shaft to rotate and winding the descent control rope are arranged in the shell, the transmission shaft is driven by a driving device, the friction plates comprise a main friction plate and an auxiliary friction plate which is arranged opposite to the main friction plate and used for reducing the descending speed of the descent control device, the shell is connected with a friction box, the main friction plate is arranged in a cavity of the friction box and fixedly connected with the rotating shaft, the friction box is slidably connected with a control device used for adjusting the friction force between the auxiliary friction plate and the main friction plate, and the novel multifunctional descent control device further comprises a spring which is arranged between the auxiliary friction plate and. The invention has the advantages of small volume, light weight, simple structure, convenient operation, safety, reliability, time saving and labor saving.

Description

Novel multifunctional descent control device capable of circularly ascending and descending
Technical Field
The invention relates to an escape device, in particular to a novel multifunctional descent control device capable of circularly ascending and descending.
Background
Along with the high-speed development of the building industry, high-rise buildings develop like bamboo shoots in the spring after rain, and accordingly, many problems are brought, for example, when a fire disaster happens to a high-rise building, the fire spreading speed is high, the fire disaster extinguishing difficulty is high, people are difficult to evacuate, high-rise escape is a self-rescue mode in the fire disaster, people are difficult to escape from stairs and elevators normally due to dense smoke and burning fire, and under the surrounding of dense smoke, toxic gas and burning flame, a lot of people bury the fire and sea, so that the problem how to escape is urgently solved.
Disclosure of Invention
In order to solve the problems, the invention provides a novel multifunctional descent control device which is small in size, light in weight, simple in structure, convenient to operate, safe, reliable, time-saving and labor-saving and can be circularly lifted.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a novel multi-functional ware that slowly falls of circulated lift, is including being equipped with the casing that slowly falls the rope export, friction disc and slowly fall the rope, be equipped with the both shoulders braces on the casing, be equipped with the pivot and the drive pivot that are used for installing friction disc and winding slowly fall the rope and rotate the transmission shaft that is used for the winding to slowly fall the rope in the casing, the transmission shaft passes through the drive arrangement drive, the friction disc includes main friction disc and sets up the vice friction disc that is used for reducing slowly to fall ware falling speed relatively with main friction disc, is connected with a friction case on the casing, main friction disc locate in the friction case cavity and with pivot fixed connection, have a controlling means who is used for adjusting vice friction disc and main friction disc frictional force with friction case sliding connection, still including locating the spring that is used for increasing thrust between vice friction disc and the friction case and.
Foretell novel multi-functional ware that slowly falls that can circulate goes up and down, controlling means including locating the spline bearing on the friction case and with spline bearing matched with spline stepped shaft, spline stepped shaft one end be equipped with the screw thread and with vice friction disc threaded connection, be equipped with at spline stepped shaft screw thread end and prevent that spline stepped shaft from sliding the nut dog that breaks away from vice friction disc, the other end of spline stepped shaft is equipped with a handle that is used for adjusting vice friction disc and main friction disc frictional force.
The portable backpack descent control device is characterized in that the portable backpack descent control device is connected with a fixed disc provided with a containing cavity through an elastic component, the main friction plate is arranged in the containing cavity, and the fixed disc is fixedly connected with the rotating shaft.
Foretell novel multi-functional ware that slowly falls of circulated lift, the friction case outside is equipped with a calibrated scale, is equipped with a round hole with spline shoulder shaft looks adaptation in the middle of the calibrated scale.
The novel multifunctional descent control device capable of circularly ascending and descending is characterized in that the driving device comprises belt wheels or gears which are respectively arranged on the rotating shaft and the transmission shaft, the belt wheels or the gears are driven by a motor, and the motor is powered by a storage battery.
Foretell novel multi-functional ware that slowly falls of circulated lift, its characterized in that: the auxiliary friction plate is provided with a groove and a guide hole respectively, a guide rod matched with the guide hole is arranged between the auxiliary friction plate and the friction box, one end of the guide rod is fixed with the friction box, the other end of the guide rod is provided with a baffle, and the spring is arranged on the guide rod.
Foretell novel multi-functional ware that slowly falls of circulated lift, the casing includes left and right casing, is equipped with a plurality of connecting portions that are used for connecting on the left and right casing respectively, and left and right casing top intermediate position is equipped with the semicircle orifice respectively.
Foretell novel multi-functional ware that slowly falls of circulated lift, be equipped with the baffle that is used for preventing slowly falling the skew displacement of rope in the pivot.
Foretell novel multi-functional ware that slowly falls of circulated lift, slowly fall rope one end system in the pivot, slowly fall the other end of rope and be equipped with buckle or couple that are used for fixing on the building body.
Foretell novel multi-functional ware that slowly falls of circulated lift, both shoulders braces one end is fixed on the casing, and the both shoulders braces other end is equipped with the buckle, be equipped with on the casing with buckle matched with be used for the pull ring of hook both shoulders braces, the pull ring sets up a plurality ofly.
The invention solves the technical problem and has the advantages that: the winding-up of the slow descending rope on the slow descending device is realized by adopting a belt transmission mode that a belt wheel or a gear drives a transmission shaft to drive a rotating shaft to rotate, the buffer can be realized and the storage battery can be charged when the slow descending device descends, the motor is in a charged state when the winding-up is carried out, and the motor is in a power-off state when the descending device descends, so that the operation is convenient, the time and the labor are saved, and the safety and the reliability are; the main friction plate is arranged on the fixed disc through an elastic component and is fixedly connected with the rotating shaft, and pretightening force is generated at the threaded connection position of the auxiliary friction plate when the main friction plate is in friction with the auxiliary friction plate, so that the auxiliary friction plate is prevented from loosening in the moving process; the control device is adopted to control the contact between the auxiliary friction plate and the main friction plate, so that the friction force can be adjusted conveniently and quickly; the control device realizes the transverse movement of the auxiliary friction plate by adopting a mode that a spline stepped shaft with threads is matched with a spline bearing, the handle is used for real-time adjustment, the operation and the control are convenient, the magnitude of the friction force can be automatically adjusted according to the emergency degree of the situation, so that the descending speed is controlled, the application range is wide, the safety and the convenience are realized, the dial is adopted for primarily selecting the friction force, the convenience and the time are saved, when the emergency situation occurs, the descending speed needs to be accelerated, the handle is rotated, different scale gears are selected, and the time is saved for escaping; the baffle plate is arranged on the rotating shaft, so that the slow descending rope is always positioned in the middle position, the friction between the slow descending rope and the outlet on the shell is avoided, and the service life of the slow descending rope is prolonged; the pull ring sets up to a plurality ofly, can adapt to the crowd of different sizes, has increased accommodation.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a partial enlarged view of portion A of the present invention;
FIG. 4 is a partial enlarged view of portion B of the present invention;
FIG. 5 is a partial enlarged view of portion C of the present invention;
FIG. 6 is a cross-sectional view of a spline bearing and spline stepped shaft of the present invention;
fig. 7 is a schematic structural view of a spline stepped shaft in the present invention.
Detailed Description
The invention is described in further detail below with reference to the figures and the embodiments.
As shown in fig. 1, 2, 3, 4, 5, 6, 7, a novel multifunctional descent control device capable of circularly ascending and descending, comprising a casing 1 provided with an descent control rope outlet 2, a friction plate and a descent control rope 3, wherein the casing 1 is provided with a shoulder harness 4 so as to be carried on the body when escaping, one end of the shoulder harness 4 is fixed on the casing 1, the other end of the shoulder harness 4 is provided with a buckle 5, the casing 1 is provided with a pull ring 6 which is matched with the buckle 5 and used for hooking the shoulder harness 4, the pull ring 6 is longitudinally arranged so as to adapt to people with different body types, the pull ring 6 is provided with a plurality of pull rings 6, different positions of the pull rings 6 are selected according to different body types of people, the casing 1 is detachable so as to facilitate the detachment of other parts, specifically, the casing 1 comprises a left casing and a right casing, the left casing and the right casing are respectively provided with a plurality of connecting parts 7, the connecting part is fixed by bolts, semicircular holes are respectively arranged at the middle positions above the left and right shells so that the slow descending rope 3 can extend out of the shell 1, in order to effectively place the slow descending rope 3 and realize the lifting of the slow descending device, a rotating shaft 8 for installing a friction plate and winding the slow descending rope 3 and a transmission shaft 9 for driving the rotating shaft 8 to rotate and be used for rolling the slow descending rope 3 are arranged in the shell 1, in order to enable the slow descending rope 3 to be always positioned at the middle position of the rotating shaft 8 in the winding and unwinding process to prevent the friction damage between the slow descending rope 3 and an outlet 2 on the shell 1 caused by deviation, a baffle plate 10 for preventing the slow descending rope 3 from deviating and displacing is arranged on the rotating shaft 8, one end of the slow descending rope 3 is tied on the rotating shaft 8, the other end of the slow descending rope 3 is provided with a buckle 11 or a hook for being fixed on a building body, in order to realize the winding, further describing a driving device, the driving device comprises a belt wheel 12 or a gear which is respectively arranged on a rotating shaft 8 and a transmission shaft 9, the belt wheel 12 or the gear is driven by a motor 13, the motor 13 is powered by a storage battery 14, a switch for controlling the power on and off of the motor 13 is arranged on one side of a shell 1, the motor 13 is in a power-off state when the descent control device descends, the belt wheel 12 or the gear can play a buffering role, the motor 13 rotates reversely to charge the storage battery 14 in the rotating process, when the descent control device needs to return, a switch button is pressed, the motor 13 is powered on, the transmission shaft 9 rotates to enable the rotating shaft 8 to rotate through the connection of the belt wheel 12 or the gear, the descent control rope 3 is recovered under the rotation of the rotating shaft 8, the descent control device ascends to achieve the purpose of circular ascending and descending, so that the escape can be carried out for multiple times until all the escaped persons to escape, the friction plates comprise a main friction, a friction box 17 is connected with the shell 1, specifically the friction box 17 is connected with the shell 1 through a screw, a main friction plate 15 is arranged in a cavity of the friction box 17 and is fixedly connected with the rotating shaft 8, specifically a fixed disk 29 provided with an accommodating cavity is connected with the main friction plate 15 through an elastic component, the fixed disk 29 is provided with a blocking part for preventing the main friction plate 15 from separating from the accommodating cavity, the elastic component is a plurality of springs 30, specifically a guide hole 31 is arranged on the fixed disk 29 and the main friction plate 15, a guide post is arranged between the fixed disk 29 and the guide hole 31 on the main friction plate 15, the springs 30 are arranged on the guide post, the main friction plate 15 is arranged in the accommodating cavity, the fixed disk 29 is fixedly connected with the rotating shaft 8, specifically the fixed disk 29 is fixed with a sleeve by adopting a welding mode, the connected sleeve is fixed with the rotating shaft 8 through a key connection mode, and a control device for adjusting the friction force between the auxiliary friction plate, further describing the control device, the control device comprises a spline bearing 18 arranged on the friction box 17 and a spline stepped shaft 19 matched with the spline bearing 18, one end of the spline stepped shaft 19 is provided with threads and is in threaded connection with the auxiliary friction plate 16, specifically, an inner threaded hole in threaded connection with the threaded end of the spline stepped shaft 19 is arranged on the auxiliary friction plate 16, an external thread on the spline stepped shaft 19 is matched with an internal thread on the auxiliary friction plate 16, in order to prevent the spline stepped shaft 19 from contacting with the main friction plate 15 during the moving process of the auxiliary friction plate 16 to influence the friction force, the periphery of the inner threaded hole on the auxiliary friction plate 16 is arranged in an inwards concave shape, specifically, the periphery of the inner threaded hole in the contact part with the main friction plate 15 is inwards concave, a nut stop 20 for preventing the spline stepped shaft 19 from sliding and separating from the auxiliary friction plate 16 is arranged at the threaded end of the spline stepped shaft 19, in order to prevent, a bolt 22 is installed in the hole 21, a handle 23 for adjusting the friction force between the auxiliary friction plate 16 and the main friction plate 15 is arranged at the other end of the spline stepped shaft 19, a spring 24 which is arranged between the auxiliary friction plate 16 and the friction box 17 and used for increasing the thrust to assist the control device to move the auxiliary friction plate 16 is further included, specifically, a groove 25 and a guide hole 26 are respectively arranged on the auxiliary friction plate 16, a guide rod 27 which is matched with the guide hole 26 is arranged between the auxiliary friction plate 16 and the friction box 17, one end of the guide rod 27 is fixed with the friction box 17, a baffle 32 is arranged at the other end of the guide rod 27, and the spring 24 is arranged on. The outside of the friction box 17 is provided with a dial 28, the dial 28 is provided with 6 scales from 0 to 5, each scale represents different gears, each gear corresponds to friction with different sizes, different friction is set by selecting different gears so as to control descending speed, and the middle of the dial 28 is provided with a round hole matched with the spline stepped shaft 19. When the escape is needed, the escape person carries the descent control device on the back, the friction force is selected primarily according to the weight of the person, and when the descent speed is too high, the handle 23 rotates to reduce the distance between the main friction plate 15 and the auxiliary friction plate 16, so that the friction force is increased, and the descent speed is reduced. When the descending speed needs to be accelerated in an emergency, the handle 23 is rotated to increase the distance between the main friction plate 15 and the auxiliary friction plate 16, so that the friction force is reduced, the descending speed is increased, the descent control device can be used for transporting other articles, the articles are bound on the descent control device, and the appropriate gears are selected according to the weight of the articles for reliable transportation.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.

Claims (6)

1. The utility model provides a novel multi-functional ware that slowly falls of circulated lift, is including being equipped with the casing that slowly falls the rope export, friction disc and slowly fall the rope, be equipped with both shoulders braces, its characterized in that on the casing: the casing is internally provided with a rotating shaft for installing friction plates and winding a slow descending rope and a driving rotating shaft for rotating the driving shaft for winding the slow descending rope, the driving shaft is driven by a driving device, the friction plates comprise a main friction plate and an auxiliary friction plate which is arranged opposite to the main friction plate and used for reducing the descending speed of the slow descending device, the casing is connected with a friction box, the main friction plate is arranged in a cavity of the friction box and fixedly connected with the rotating shaft, the friction box is connected with a control device for adjusting the friction force between the auxiliary friction plate and the main friction plate in a sliding way, the casing further comprises a spring which is arranged between the auxiliary friction plate and the friction box and used for increasing thrust to assist the control device to move the auxiliary friction plate, the spring is approximately and symmetrically distributed at two sides of the auxiliary friction plate, the control device comprises a spline bearing arranged on the friction box and a spline stepped shaft matched with the spline, a nut stop block for preventing the spline stepped shaft from slipping and separating from the auxiliary friction plate is arranged at the threaded end of the spline stepped shaft, and a handle for adjusting the friction force between the auxiliary friction plate and the main friction plate is arranged at the other end of the spline stepped shaft; the spring is arranged on the guide post, the main friction plate is arranged in the accommodating cavity, and the fixed disc is fixedly connected with the rotating shaft; the auxiliary friction plate is provided with a groove and a guide hole respectively, a guide rod matched with the guide hole is arranged between the auxiliary friction plate and the friction box, one end of the guide rod is fixed with the friction box, the other end of the guide rod is provided with a baffle plate, and the spring is arranged on the guide rod; the driving device comprises belt wheels or gears which are respectively arranged on the rotating shaft and the transmission shaft, the belt wheels or the gears are driven by a motor, and the motor is powered by a storage battery; the switch for controlling the on-off of the motor is arranged on one side of the shell, the motor is in a power-off state when the descent control device descends, the belt wheel or the gear can play a buffering role and enables the motor to reversely rotate in the rotating process to charge the storage battery, when the motor needs to return, the switch button is pressed, the motor is electrified, the transmission shaft rotates to enable the rotating shaft to rotate through the connection of the belt wheel or the gear, the descent control rope is recovered under the rotation of the rotating shaft, and the descent control device ascends to achieve the purpose of circular ascending and descending.
2. The novel multifunctional descent control device capable of circularly ascending and descending as claimed in claim 1, wherein: the outside of the friction box is provided with a dial, and the middle of the dial is provided with a round hole matched with the spline stepped shaft.
3. The novel multifunctional descent control device capable of circularly ascending and descending as claimed in claim 1, wherein: the casing includes left and right casing, is equipped with a plurality of connecting portions that are used for connecting on the left and right casing respectively, and left and right casing top intermediate position is equipped with the semicircle orifice respectively.
4. The novel multifunctional descent control device capable of circularly ascending and descending as claimed in claim 1, wherein: and the rotating shaft is provided with a baffle plate for preventing the slow descending rope from deviating and displacing.
5. The novel multifunctional descent control device capable of circularly ascending and descending as claimed in claim 1, wherein: slowly fall rope one end system in the pivot, slowly fall the other end of rope and be equipped with buckle or couple that are used for fixing on the building body.
6. The novel multifunctional descent control device capable of circularly ascending and descending as claimed in claim 1, wherein: one end of each shoulder strap is fixed on the shell, the other end of each shoulder strap is provided with a buckle, the shell is provided with a plurality of pull rings which are matched with the buckles and used for hooking the shoulder straps, and each pull ring is provided with a hook.
CN201610219526.8A 2016-04-11 2016-04-11 Novel multifunctional descent control device capable of circularly ascending and descending Active CN105688340B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610219526.8A CN105688340B (en) 2016-04-11 2016-04-11 Novel multifunctional descent control device capable of circularly ascending and descending

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610219526.8A CN105688340B (en) 2016-04-11 2016-04-11 Novel multifunctional descent control device capable of circularly ascending and descending

Publications (2)

Publication Number Publication Date
CN105688340A CN105688340A (en) 2016-06-22
CN105688340B true CN105688340B (en) 2021-05-07

Family

ID=56219527

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610219526.8A Active CN105688340B (en) 2016-04-11 2016-04-11 Novel multifunctional descent control device capable of circularly ascending and descending

Country Status (1)

Country Link
CN (1) CN105688340B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106669053B (en) * 2017-02-24 2022-10-28 湖北赤壁赛飞摩擦材料有限公司 High-altitude rope descent control device
CN106869765A (en) * 2017-03-21 2017-06-20 无锡市卡德姆机械科技有限公司 Possesses the indoor Emergency Ladder of steel wire folding and unfolding traction function
CN108087452B (en) * 2017-12-31 2024-04-30 贵州大学 High-efficient friction type braking device
CN111840833B (en) * 2020-08-24 2023-12-22 湖北科技学院 A slow descent escape device

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2684863Y (en) * 2004-01-12 2005-03-16 吴运利 High building disaster controllable speed lowering escape apparatus
CN2691638Y (en) * 2004-01-18 2005-04-13 陈健良 High building multi-person life saving apparatus
CN101711910A (en) * 2009-07-14 2010-05-26 应小平 Portable automatic descending device
CN201684311U (en) * 2010-06-08 2010-12-29 尹业宏 Friction reciprocating type high building escape device
CN101961531A (en) * 2010-10-14 2011-02-02 西北工业大学 Controllable permanent magnet eddy escape device
CN102091386A (en) * 2010-11-03 2011-06-15 北京联合大学生物化学工程学院 Descent control device
CN103446678A (en) * 2012-05-30 2013-12-18 江苏康宝制药有限公司 High rise escaping device
CN203408381U (en) * 2013-07-19 2014-01-29 广西大学 Frictional high-rise escape device
CN205698933U (en) * 2016-04-11 2016-11-23 张文革 A kind of Multifunction descending lifeline of lifting capable of circulation

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8167090B2 (en) * 2010-09-14 2012-05-01 Michael Ralph L Apparatus for safely lowering user from structure

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2684863Y (en) * 2004-01-12 2005-03-16 吴运利 High building disaster controllable speed lowering escape apparatus
CN2691638Y (en) * 2004-01-18 2005-04-13 陈健良 High building multi-person life saving apparatus
CN101711910A (en) * 2009-07-14 2010-05-26 应小平 Portable automatic descending device
CN201684311U (en) * 2010-06-08 2010-12-29 尹业宏 Friction reciprocating type high building escape device
CN101961531A (en) * 2010-10-14 2011-02-02 西北工业大学 Controllable permanent magnet eddy escape device
CN102091386A (en) * 2010-11-03 2011-06-15 北京联合大学生物化学工程学院 Descent control device
CN103446678A (en) * 2012-05-30 2013-12-18 江苏康宝制药有限公司 High rise escaping device
CN203408381U (en) * 2013-07-19 2014-01-29 广西大学 Frictional high-rise escape device
CN205698933U (en) * 2016-04-11 2016-11-23 张文革 A kind of Multifunction descending lifeline of lifting capable of circulation

Also Published As

Publication number Publication date
CN105688340A (en) 2016-06-22

Similar Documents

Publication Publication Date Title
CA2514217C (en) Powered rope climbing apparatus
CN105688340B (en) Novel multifunctional descent control device capable of circularly ascending and descending
CN110745725B (en) Electric lifter
CN201482011U (en) Dual-safeguard building escape apparatus
CN105664385B (en) Portable backpack descent control device
CN211301819U (en) Life-saving device
CN211419422U (en) Electric lifter
CN209075892U (en) Novel high-rise escape and transportation descent control device
CN209778238U (en) Lifting mechanism for coal bunker
CN109331432B (en) Manned pole climbing device for pole climbing operation of power system
CN105944334A (en) Multi-man carrying electric pole climbing device
CN211097116U (en) Two-way rescue device that flees of high-rise conflagration
CN104998357A (en) High-altitude escape descent control device and escape system
WO2013060046A1 (en) Suspended lowering system
CN201445716U (en) Overhead escape device
CN203075488U (en) Device for escaping, rescuing and lifting in emergency
CN203874302U (en) Lifter
CN103585719A (en) Multifunctional high-rise escape device
CN201291003Y (en) Manual portable lowering device
CN201791274U (en) Hand-controlled fire self-rescuer
CN206315370U (en) A kind of controllable slow drop escape device in high-altitude
CN2853098Y (en) High-altitude lifesaving device
CN108031018B (en) High-altitude descent control device
CN202724495U (en) Fire escaping device
CN218961614U (en) Rescue knapsack

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant