CN113521574A

CN113521574A - High-rise emergency escape device

Info

Publication number: CN113521574A
Application number: CN202110987010.9A
Authority: CN
Inventors: 周维国
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-26
Filing date: 2021-08-26
Publication date: 2021-10-22

Abstract

The invention provides a high-rise emergency escape device which can be matched with a special handrail track for escape, and comprises: the track-mounted speed-regulating device comprises two rollers matched with a track, the rollers are mounted on a left support or a right support through roller shafts, a speed-regulating device is arranged between the left roller and the left support and comprises a primary speed-increasing gear set, a planetary gear mechanism and a hydraulic retarder, the primary speed-increasing gear set comprises a driving gear and a transmission gear, the driving gear is integrally connected with the rollers, the transmission gear is matched with the driving gear, the planetary gear mechanism comprises a plurality of planetary gears, a sun gear and an inner gear ring, the sun gear and the inner gear ring are meshed with the planetary gears, the planetary carrier is fixedly connected with the transmission gear, a rotor of the hydraulic retarder is fixedly connected with the sun gear, the left support and the right support are rotatably connected with a hanging shaft, and a brake mechanism is rotatably connected with the hanging shaft. According to the invention, the speed of the roller is increased rapidly through the speed adjusting device, and then the roller is adjusted to be in a uniform speed state through the hydraulic retarder, and when the speed is too high, the roller can be rubbed with the bottom of the handrail track through the brake mechanism, so that the speed is actively reduced, and the device is safer and more reliable.

Description

High-rise emergency escape device

Technical Field

The invention relates to the technical field of high-rise emergency escape, in particular to a high-rise emergency escape device.

Background

With the increasing number of urban high-rise buildings, under the emergency conditions of fire, earthquake and the like, how to quickly and safely leave rooms and people living in the high-rise buildings arrive on the ground is a global problem. Although rapid intervention fire and other professional rescuers provide emergency rescue for trapped people, it is not always possible to do so in a timely manner, and thus such disasters can always pose a more or less serious threat to the lives of people living in high-rise buildings.

At present, the high-rise escape products sold in the market are mostly in a pulley-like lifting type, equipment is installed outside a balcony wall body, and people slide to the downstairs through ropes. This approach is extremely unsafe and is not particularly applicable to the elderly, children and people with panic disorder. In addition, the speed of the rope gliding is difficult to control, the rope gliding is easy to touch facilities such as an air conditioner frame outside a building, trees, a canopy, a clothes hanger and the like during the gliding process to cause personnel injury, the use is troublesome, the gold escape time is delayed due to overlong preparation time, and good escape opportunities are missed.

In addition, in the current high-rise escape emergency product, a speed limiting device is an indispensable part and comprises a shell and a plurality of gears arranged in the shell, and the speed limiting device generates a friction effect with a friction block in a friction hub through the operation of a planetary gear speed reducing mechanism so as to ensure that a user can safely reach the ground. The existing high-rise emergency escape device is complex in structure and inconvenient to use, only depends on a planetary gear speed reducing mechanism to reduce speed, is difficult to slide downwards at a constant speed, is poor in reliability, and cannot reduce the speed quickly and effectively when a fault occurs.

In view of the above, the applicant provides an emergency escape device for high-rise buildings, so as to solve the above problems.

Disclosure of Invention

The invention aims to provide a high-rise emergency escape device which can be used in cooperation with a special handrail track, and utilizes a speed regulating device to speed up and then regulate the speed of a roller sliding down along the handrail track to finally enable the roller to go down at a constant speed.

The invention provides a high-rise emergency escape device which can be matched with a special handrail track arranged in a staircase for use, and comprises:

the roller group comprises a left roller and a right roller and is used for matching with the special handrail track to roll along the special handrail track;

the mounting bracket comprises a left bracket and a right bracket, roller shafts are respectively mounted on the left bracket and the right bracket, the left roller and the roller shafts are mounted on the left bracket in a matched manner through bearings, and the right roller and the roller shafts are mounted on the right bracket in a matched manner through bearings;

the lifting shaft is rotatably connected with the left support and the right support, and a lifting hook is hung at the bottom of the lifting shaft and used for lifting a seat or a hanging strip which can be taken by an escaper;

the speed regulation device comprises a primary speed-increasing gear set, a planetary gear mechanism and a hydraulic retarder, wherein the primary speed-increasing gear set is in matched transmission with the left roller or the right roller and is used for increasing the speed of the roller train;

the brake mechanism comprises a brake rod and a brake head, wherein the brake head is arranged at the top of the brake rod and used for reducing speed by friction with the bottom of the special handrail track, and the middle of the brake rod is rotatably connected with the hanging shaft.

Preferably, the primary speed increasing gear set comprises a driving gear and a transmission gear which are meshed with each other, the driving gear is integrally connected with the end face of the left roller or the end face of the right roller and can rotate along with the end face of the left roller or the end face of the right roller, and the transmission gear is rotatably mounted on the left support or the right support through a shaft sleeve.

Preferably, the driving gear and the transmission gear are both helical gears, and the number of teeth of the driving gear is greater than that of the transmission gear.

Preferably, the planetary gear mechanism further comprises a planet carrier, the planet carrier is in a regular triangle shape, the number of the planet gears is three, the three planet gears are respectively mounted on three corners of the planet carrier through supporting shafts, and the centers of the planet gears are located on the same circumference.

Preferably, the middle part of the planet carrier is provided with a mounting hole, the mounting hole is matched with the end part of the transmission gear, so that the planet carrier rotates along with the transmission gear, and the inner gear ring is fixedly connected with the left support or the right support.

Preferably, an end face of the sun gear is integrally connected with a rotor of the hydrodynamic retarder, the rotor can rotate together with the sun gear under the driving of the planetary gear, the diameter of the sun gear is larger than that of the planetary gear, and the number of teeth of the sun gear is larger than that of the planetary gear.

Preferably, the housing of the hydrodynamic retarder is a stator, the housing is fixedly connected with the left bracket or the right bracket, the housing is filled with working fluid, the working fluid is used for generating torque to the stator when the rotor rotates, and at the moment, the stator generates braking torque to the rotor.

Preferably, the hanging shaft is a strip-shaped metal piece, an annular groove is formed in the hanging shaft, the top of the hanging shaft is rotatably connected with the middle of the brake rod, the middle of the hanging shaft is rotatably connected with the left support and the right support, and the hanging hook is hung at the bottom of the hanging shaft.

Preferably, the safety device is a U-shaped safety swing ring, and two ends of the safety swing ring are respectively rotatably connected with two sides of the hanging shaft, so that the safety swing ring is suspended outside the bottom of the hanging shaft.

Preferably, the safety device is a safety torsion ring, the safety torsion ring comprises a straight line section and a U-shaped curve section, the bottom end of the straight line section is connected with one end of the U-shaped curve section, the straight line section is perpendicular to the plane where the U-shaped curve section is located, the top end of the straight line section is rotatably connected with the left support or the right support, and the U-shaped curve section can be surrounded on the outer side of the hanging shaft by rotating the straight line section.

According to the technical scheme, the emergency escape device can be matched with a special handrail track for use, the left support and the right support are used for installing roller sets to slide down along the special handrail track arranged in a staircase, and a seat or a hanging belt and the like which can be carried by people are hung below the left support and the right support, so that people can quickly escape in emergency situations such as fire, earthquake and the like. The invention is provided with a speed regulating device which can safely and efficiently regulate the descending speed of a roller train, firstly, a first-stage speed increasing gear train is utilized to increase the speed of the roller train so that the roller train can smoothly descend along a handrail track, then, the speed of the roller train is regulated through a planetary gear mechanism so that the roller train can rapidly increase the speed and descend to ensure the escape speed, a sun gear at the output end of the planetary gear mechanism is fixedly connected with a rotor of a hydraulic retarder, the hydraulic retarder can generate braking torque to the rotor when the rotor rotates, and finally, the braking torque is fed back to the roller to keep the roller train in a constant-speed gliding state at a safe speed so as to ensure that the descending speed is in a safe and reliable range. In addition, the invention is also provided with a brake mechanism, and the speed is reduced by the friction between the brake mechanism and the anti-skid grains at the bottom of the handrail track, so that the self-regulation of the descending speed is realized, and the safety and the reliability of the escape device are further ensured.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of an overall structure of a high-rise emergency escape apparatus according to an embodiment of the present invention;

FIG. 2 is a schematic view of an installation of a first-stage speed-increasing gear set and a planet carrier according to an embodiment of the present invention;

FIG. 3 is a schematic view illustrating an installation of a hydrodynamic retarder and a planetary gear mechanism according to an embodiment of the present invention;

FIG. 4 is a schematic view of the structure and installation of a brake mechanism and a safety device according to an embodiment of the present invention;

fig. 5 is a schematic view illustrating a structure and an installation of the safety device according to the second embodiment of the invention.

Description of reference numerals:

1: a special handrail track; 1: a left roller; 2: a right roller; 3: a roller shaft; 4: a left bracket; 5: a right bracket; 6: a hanging shaft; 7: a hook; 8: a driving gear; 9: a transmission gear; 10: a shaft sleeve; 11: a planet carrier; 12: a planetary gear; 13: a sun gear; 14: an inner gear ring; 15: a hydrodynamic retarder; 16: a protective cover; 17: a brake mechanism; 1701: a brake lever; 1702: a brake tray; 1703: a brake pad; 1704: a brake handle; 18: a safety swing ring; 19: a safety torsion ring.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", may explicitly or implicitly include one or more of the described features. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example one

As shown in fig. 1, 2 and 3, the present invention provides an emergency escaping device for a high building, which can be used in cooperation with a special handrail track installed on a wall of a staircase or a preset column, wherein a track with an i-shaped cross section is disposed at the bottom of the special handrail track, and the emergency escaping device comprises: the roller group comprises a left roller 1 and a right roller 2 which are arranged oppositely, the left roller 1 and the right roller 2 are matched with an I-shaped rail of the special handrail rail respectively and roll along the I-shaped rail, the left roller 1 and the right roller 2 are both installed on an installation support through roller shafts 3, the installation support comprises a left support 4 and a right support 5, the left roller 1 is installed on the left support 4 through the roller shafts 3, and the right roller 2 is installed on the right support 5 through the roller shafts 3.

One side of left gyro wheel 1 and right gyro wheel 2 is equipped with direction rim plate 7, the diameter of direction rim plate 7 is greater than the diameter of left gyro wheel 1 or right gyro wheel 2, when the roller train was down along special handrail track, 7 side of direction rim plate pasted mutually with special handrail track's side, can make high building ware of fleing put all the time and go down along the track, can make high building ware of fleing press from both sides fast again and press from both sides tightly on the track, prevent that the device from turning round or derailing to one side at down in-process, guarantee weak groups such as old and weak women children safe in utilization.

The left support 4 and the right support 5 are both in a transverse L shape, are symmetrically arranged and have the same structure, the structure of the left support 4 is described by taking the left support 4 as an example, the left support 4 is formed by integrally connecting a transverse rotating frame and a longitudinal mounting plate, and the rotating frame of the left support 4 and the rotating frame end part of the right support 5 are rotatably connected, so that the left support 4 and the right support 5 can be relatively rotated to be opened or closed, and the left support 4 and the right support 5 can be correspondingly mounted on an I-shaped track of a special handrail track. And the longitudinal mounting plate is provided with a roller mounting hole and a shaft sleeve mounting hole which are respectively used for mounting a roller shaft and a shaft sleeve.

The lifting shaft 6 is a strip-shaped metal piece, an annular groove is formed in the bottom of the lifting shaft 6 along the length direction of the lifting shaft, the middle of the lifting shaft 6 is rotatably connected with the left support 4 and the right support 5, a mounting hole is formed in the top of the lifting shaft 6 and used for being rotatably connected with a brake mechanism, the lifting shaft 6 is separated from the left support 4 and the right support 5 or integrally connected with the left support 4 and the right support 5, and the middle of the lifting shaft is rotatably connected with the left support 4 and the right support 5 through rotating shafts. The bottom of hanging shaft 6 can hang the lifting hook, and the lifting hook is used for the seat or suspender etc. that the hoist and mount can supply the person of fleing to take, makes the person of fleing can flee along the special handrail track of setting in high building stairwell fast, and through the action of gravity that lifting hook 7 produced, can press from both sides left gyro wheel 1 and right gyro wheel 2 tightly on special handrail track, prevents at the skew derailment of down in-process, and weak groups such as old and weak women child of being convenient for use.

At least one of the left bracket 4 and the right bracket 5 is provided with a speed adjusting device for adjusting the descending speed of the roller group, and the structure of the speed adjusting device arranged on the left bracket 4 is taken as an example for explanation. The speed regulation device comprises a primary speed increasing gear set, a planetary gear mechanism and a hydraulic retarder 15, wherein the primary speed increasing gear set is in matched transmission with the left roller 1 and is used for increasing the speed of the left roller 1, so that the left roller can smoothly descend along the special handrail track.

The first-stage speed-increasing gear set comprises a driving gear 8 and a transmission gear 9 which are meshed with each other, the driving gear 8 and the transmission gear 9 are bevel gears, the driving gear 8 is integrally connected with the end face of the left idler wheel 1 and can integrally rotate with the driving gear, the transmission gear 9 is located on the lower side of the driving gear 8 and meshed with the driving gear 8, a gear shaft of the transmission gear 9 penetrates through a shaft sleeve 10 and is rotatably installed on the left support 4 through the shaft sleeve 10, and the transmission gear 9 can be meshed with the driving gear 8 for transmission.

In the embodiment, the modulus of the driving gear 8 is 1.5, 26 teeth, and the pressure angle is 20 degrees; the modulus of the transmission gear 9 is 1.5, 20 teeth, and the pressure angle is 20 degrees; the transmission ratio of the transmission gear 9 and the driving gear 8 is 1.3, and the two gears are helical gears and are in a normally meshed state.

The planetary gear mechanism is arranged on the outer side of the longitudinal mounting plate and is in matched transmission with the primary speed-increasing gear set for further adjusting the rotating speed of the roller set.

The planetary gear mechanism comprises a planet carrier 11, a planetary gear 12, a sun gear 13 and an inner gear ring 14, wherein the middle part of the planet carrier 11 is provided with a mounting hole, the end part of a gear shaft of the transmission gear 9 is in a regular hexagon shape, and the gear shaft and the mounting hole on the planet carrier 11 are in interference fit installation, so that the planet carrier 11 can rotate along with the transmission gear 9.

The planet carrier 11 is in a regular triangle shape, each corner of the planet carrier is provided with a supporting shaft, the number of the planet gears 12 is three, the three planet gears are respectively matched with each supporting shaft and can rotate relative to the supporting shafts, and the centers of the planet gears 12 are positioned on the same circumference. The sun gear 13 is mounted inside each planetary gear 12, and is in mesh transmission with each planetary gear 12. The inner gear ring 14 is coaxially arranged with the sun gear 13 and fixedly mounted with the left support 4 through a fastener, the bottom of the left support 4 extends outwards to form a mounting table, and the bottom of the inner gear ring 14 is placed on the mounting table. The three planet gears 12 are uniformly distributed between the inner gear ring 14 and the sun gear 13, and each planet gear 12 is simultaneously in meshed transmission with the inner gear ring 14 and the sun gear 13.

In the embodiment, the number of teeth of the inner gear ring 14 is 48, the number of teeth of the three planet gears 12 is 15, the number of teeth of the sun gear 18 is 1; the planetary gear mechanism has a ratio of about 3.67 between the output and the input. The planetary gears 12 and the adjacent sun gear 13 and the inner gear ring 14 are always in a constant meshing state to improve descending smoothness.

In this governor, the drive gear 8 integrally connected to the left wheel 1 serves as an input end, the sun gear 13 serves as an output end, and the entire governor is driven by increasing speed and reducing torque, and the increasing speed ratio is about 3.67 × 1.3 — 4.77.

Hydrodynamic retarder 15 is for utilizing liquid damping to produce the device of slow-speed effect, it includes shell and rotor, its shell is equivalent to the stator, the rotor can rotate for the stator, all cast the blade rather than an organic whole connection on rotor and the stator, the shell is the disc type, its bottom and left socle 4 fixed connection, the both sides of shell are stretched out and are formed two curved protection casings 16, be used for protecting speed adjusting device, the inside packing of shell has the working solution, this working solution is the better pressure oil of heat conductivity. One end of the rotor located outside the housing is integrally connected to an end surface of the sun gear 13, so that the rotor rotates together with the sun gear 13. In the process of rotor rotation, the blades on the rotor generate torque to the stator through the working fluid, and because the stator is kept still, the rotor can generate reverse braking torque through the working fluid, so that the rotor is decelerated, the sun gear 13 can also receive the braking torque, the rotating speed of the sun gear is reduced, and the braking torque is finally fed back to the left roller 1 through the planetary gear mechanism and the primary speed-up gear set, so that the left roller finally tends to slide downwards at a constant speed, and the roller set is ensured to descend at the constant speed at a safe speed.

As shown in fig. 4, in this embodiment, the emergency escape apparatus further includes a brake mechanism 17 and a safety device. The brake mechanism 17 comprises a brake rod 1701, the middle part of the brake rod 1701 is connected with the top part of the hanging shaft 6 through a hinge, the two ends of the brake rod 1701 respectively extend in a bending way towards the upper right direction and the lower left direction relative to the middle part of the brake rod 1701 to form a lever structure with the two ends bent relative to the middle part, the top part of the brake rod 1701 is provided with a brake head, the brake head comprises a brake tray 1702 and a brake pad 1703, wherein the brake tray 1702 is hinged with the top end of the brake rod 1701, the brake pad 1703 is installed on the brake tray 1702 through a fastener and extends out of the brake tray 1702, and the bottom end of the brake rod 1701 is hinged with a brake handle 1704.

More specifically, brake block 1703 is formed by the friction material of 8mm thick with materials such as compound resin, copper wire complex, and the bottom of special handrail track 1 is equipped with anti-skidding line, and brake block 1703 can pass through the friction with its in close contact with and slow down. In the use, the person of fleing can drop down brake handle 1704, utilizes lever principle, makes the brake head lift up, because brake tray 1702 is articulated with brake pole 1701, makes brake block 1703 surface can with special handrail track 1 bottom comprehensive contact, relies on the frictional force between brake block 1703 and the antiskid line, makes the gliding speed of emergent ware of fleing effectively reduce, realizes the person of fleing to the autonomic control of device gliding speed, guarantees that speed is in safety range.

The safety device is a U-shaped safety swing ring 18, and two ends of the U-shaped opening of the safety swing ring 18 are respectively connected with two side surfaces of the hanging shaft 6 in a rotatable fit mode, so that the safety swing ring 18 is hung on the outer side of the bottom of the hanging shaft 6. In idle state, the U-shaped bottom of the safety swing ring 18 is located at the lower side of the hanging shaft, so that the matched installation of the safety swing ring 18 and the special handrail track 1 is not influenced, when the safety swing ring is required to be used, the safety swing ring 18 is rotated upwards, the lifting hook 7 is hung at the bottom of the hanging shaft 6, then the safety swing ring 18 is rotated downwards, the lifting hook 7 can be pressed, the unhooking phenomenon is prevented, and the safety of a escaper is guaranteed.

Example two

The present embodiment is completely the same as the first embodiment except that the safety device is different from the first embodiment. As shown in fig. 5, in the present embodiment, the safety device adopts a safety torsion ring 19, the safety torsion ring 19 includes a straight line section and a U-shaped curve section, a bottom end of the straight line section is connected to one end of the U-shaped curve section, the straight line section is perpendicular to a plane of the U-shaped curve section, a top end of the straight line section is rotatably connected to a bottom of the left bracket 4, and the U-shaped curve section is surrounded outside the hanging shaft 6 by rotating the straight line section. In idle state, the U-shaped curve section of the safety torsion ring 19 surrounds the outside of the hanging shaft 6, and does not affect the matching installation of the safety torsion ring and the special handrail track 1, when the safety torsion ring 19 is needed to be used, the safety torsion ring 19 is rotated to one side, the lifting hook is hung at the bottom of the hanging shaft 6, and then the safety torsion ring 19 is rotated to surround the outside of the hanging shaft 6, and one end of the safety torsion ring extends out to be positioned at the upper side of the lifting hook, so that the unhooking phenomenon is prevented, and the safety of escapers is ensured.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides a high building emergency escape device, can cooperate the special handrail track of installing in the stairwell to use, its characterized in that includes:

2. The high-rise emergency escape device according to claim 1, wherein the primary speed-increasing gear set comprises a driving gear and a transmission gear which are meshed with each other, the driving gear is integrally connected with the end surface of the left roller or the end surface of the right roller and can rotate along with the driving gear, and the transmission gear is rotatably mounted on the left bracket or the right bracket through a shaft sleeve.

3. The high-rise emergency escape device according to claim 2, wherein the driving gear and the transmission gear are both helical gears, and the number of teeth of the driving gear is greater than that of the transmission gear.

4. The high-rise emergency escape device according to claim 1, wherein the planetary gear mechanism further comprises a planetary carrier, the planetary carrier is in a regular triangle shape, the number of the planetary gears is three, the planetary gears are respectively mounted on three corners of the planetary carrier through supporting shafts, and the centers of the planetary gears are located on the same circumference.

5. The high-rise emergency escape device according to claim 4, wherein a mounting hole is formed in the middle of the planet carrier, the mounting hole is mounted in a matched manner with the end portion of the transmission gear, the planet carrier is enabled to rotate along with the transmission gear, and the inner gear ring is fixedly connected with the left support or the right support.

6. The high-rise emergency escape device according to claim 1, wherein an end surface of the sun gear is integrally connected to a rotor of the hydrodynamic retarder, the rotor is driven by the planetary gear to rotate together with the sun gear, the diameter of the sun gear is larger than that of the planetary gear, and the number of teeth of the sun gear is larger than that of the planetary gear.

7. The high-rise emergency escape device according to claim 6, wherein a housing of the hydrodynamic retarder is a stator, the housing is fixedly connected with the left bracket or the right bracket, a working fluid is filled in the housing, the working fluid is used for generating torque to the stator when the rotor rotates, and at the moment, the stator generates braking torque to the rotor.

8. The high-rise emergency escape device according to claim 1, wherein the hanging shaft is a strip-shaped metal member with an annular groove formed therein, the top of the hanging shaft is rotatably connected with the middle part of the brake lever, the middle part of the hanging shaft is rotatably connected with both the left bracket and the right bracket, and the hanging hook is hung at the bottom of the hanging shaft.

9. The high-rise emergency escape device according to claim 1, further comprising a safety device, wherein the safety device is a U-shaped safety swing ring, and two ends of the safety swing ring are rotatably connected with two sides of the hanging shaft respectively, so that the safety swing ring is suspended outside the bottom of the hanging shaft.

10. The high-rise emergency escape device according to claim 1, further comprising a safety device, wherein the safety device is a safety torsion ring, the safety torsion ring comprises a straight line section and a U-shaped curve section, the bottom end of the straight line section is connected with one end of the U-shaped curve section, the straight line section is perpendicular to the plane of the U-shaped curve section, the top end of the straight line section is rotatably connected with the left support or the right support, and the U-shaped curve section can be surrounded on the outer side of the hanging shaft by rotating the straight line section.