CN112843507B

CN112843507B - High-rise escape equipment

Info

Publication number: CN112843507B
Application number: CN202110055810.7A
Authority: CN
Inventors: 韩芳
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-01-15
Filing date: 2021-01-15
Publication date: 2022-07-08
Anticipated expiration: 2041-01-15
Also published as: CN112843507A

Abstract

The invention belongs to the technical field of high-rise escape equipment, and particularly relates to high-rise escape equipment which comprises a building wall body and two L-shaped supports, wherein the two L-shaped supports are fixedly connected to the outer side of the building wall body, the side walls of the lower ends of the two L-shaped supports are respectively and rotatably connected with a strip-shaped plate, the two strip-shaped plates are correspondingly arranged on the inner sides of the two L-shaped supports, a U-shaped handle is fixedly connected between the side walls, away from the L-shaped supports, of the two strip-shaped plates, auxiliary supporting mechanisms connected with the strip-shaped plates are respectively arranged on the side walls, back to back, of the two L-shaped supports, the lower ends of the two L-shaped supports are respectively provided with a limiting supporting mechanism connected with the strip-shaped plates, and the side wall of one strip-shaped plate is rotatably connected with a first rotating shaft and a second rotating shaft which are arranged in parallel. The constant speed mechanism is arranged, so that the constant rotating speed of the steel wire roller can be ensured, the constant speed of a user during descending is ensured, and the safety of the user is improved.

Description

High-rise escape equipment

Technical Field

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

Background

With the development of urbanization, high-rise residences become the main form of urban living, and in high-rise fire, the scaling ladder of the rescue vehicle can only rise to a limited height, so that rescue cannot be realized for units with higher living floors, and weak current shafts, stairs and the like in the high-rise structure form a better chimney effect, so that escape from top to bottom cannot be realized in the corridors.

In the prior art, a user is only required to escape to the top of a building when the fire condition of a high-rise building is great, and people are evacuated by means of a rescue helicopter. But the rescue helicopter is completely used for rescue in a fire, so that the number of rescuers is limited, and the time is long; and traditional mode that uses more adopts the rope to carry out personnel's descending, but current rope when fleing, the decline rate of rope is wayward, appears the uneven condition of speed easily and causes the influence to user's safety, and current equipment of fleing is comparatively huge in addition, is difficult for carrying out quick regulation when using and can increase the time of fleing, reduces the efficiency of using.

Therefore, we propose a high-rise escape apparatus to solve the above problems.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides high-rise escape equipment.

In order to achieve the purpose, the invention adopts the following technical scheme:

a high-rise escape device comprises a building wall body and two L-shaped supports, wherein the two L-shaped supports are fixedly connected to the outer side of the building wall body, the lower end side walls of the two L-shaped supports are respectively and rotatably connected with a strip-shaped plate, the two strip-shaped plates are correspondingly arranged on the inner sides of the two L-shaped supports, a U-shaped handle is fixedly connected between the side walls of the two strip-shaped plates far away from the L-shaped supports, the side walls of the two L-shaped supports, which are opposite to each other, are respectively provided with an auxiliary supporting mechanism connected with the strip-shaped plates, the lower ends of the L-shaped supports are provided with limiting supporting mechanisms connected with the strip-shaped plates, the side wall of one strip-shaped plate is rotatably connected with a first rotating shaft and a second rotating shaft which are arranged in parallel, one ends of the first rotating shaft and the second rotating shaft, which are far away from the strip-shaped plates, extend to the outer sides of the other strip-shaped plates, the first rotating shaft and the second rotating shaft on the outer sides of the strip-shaped plates are connected by a transmission mechanism, two fixed cup joint has steel wire roller and guide roll respectively on the lateral wall of first pivot between the bar shaped plate and second pivot, the winding has wire rope on the lateral wall of steel wire roller, and wire rope keeps away from the one end process and perpendicular the setting downwards of guide roll of steel wire roller, two the same horizontally backup pad of lower extreme fixedly connected with of bar shaped plate, and the backup pad correspondence sets up between first pivot and second pivot, the upper end of backup pad is provided with the constant speed mechanism who is connected with the steel wire roller.

In foretell high building escape equipment, supplementary supporting mechanism includes the first round pin axle of fixed connection on L shape support lateral wall, the first connecting rod of slope has been cup jointed in the outside rotation of first round pin axle, fixedly connected with and the parallel second round pin axle of first round pin axle on the lateral wall of bar shaped plate, and rotate on the lateral wall of second round pin axle and cup joint the second connecting rod that corresponds with first connecting rod, equal sliding connection has the movable rod on the relative lateral wall of first connecting rod and second connecting rod, and cup jointed same root sleeve pipe between two movable rods.

In the above high-rise escape device, the limiting support mechanism includes an L-shaped connecting rod fixedly connected to the lower end of the L-shaped support, the two L-shaped connecting rods are arranged at opposite horizontal ends, the lower end of the L-shaped connecting rod is fixedly connected with a vertical bobbin, a horizontal moving block is slidably connected to the bobbin, an insertion rod is fixedly connected to the upper end of the moving block, one end of the insertion rod, which is far away from the moving block, penetrates through the bobbin and the L-shaped supporting rod respectively and is connected with the lower end of the strip-shaped plate, a slot corresponding to the insertion rod is formed in the lower end of the strip-shaped plate, a vertical pull rod is fixedly connected to the lower end of the moving block, the lower end of the pull rod extends to the lower side of the bobbin, a compression spring is sleeved outside the pull rod on the lower side of the moving block, and two ends of the compression spring are fixedly connected with the lower end surface of the moving block and the inner bottom wall of the bobbin respectively.

In foretell high building equipment of fleing, the external diameter value of steel wire roller is greater than the external diameter value of guide roll, set up the annular groove that corresponds with wire rope on the lateral wall of guide roll, and wire rope removes in the annular groove, wire rope's lower extreme fixedly connected with is used for tying up user's hasp.

In foretell high building escape apparatus, drive mechanism is including rotating the third pivot of connection on the strip shaped plate lateral wall, and the third pivot corresponds and sets up between first pivot and second pivot, fixed the cup jointing has first gear on the first pivot lateral wall in the strip shaped plate outside, fixed the cup jointing has the second gear with first gear engagement on the lateral wall of third pivot, fixed cup jointing has the third gear with second gear engagement on the lateral wall of second pivot, the size of first gear and second gear is the same, and the size of third gear is less than the size of second gear, the fixed handle that is used for the regulation that has cup jointed in the outside of first pivot.

In the above high-rise escape equipment, the constant-speed mechanism comprises a box body fixedly connected to the upper end of a support plate, horizontal support plates are fixedly connected to the left and right side walls of the box body, the support plates are correspondingly arranged on the lower side of a steel wire rope, two vertical installation blocks are fixedly connected to the upper end of the support plate on the lower side of the steel wire rope, a same transverse shaft is rotatably connected between the two installation blocks, the transverse shaft penetrates through the box body, a roller in contact with the steel wire rope is fixedly sleeved on the outer side wall of the transverse shaft between the two installation blocks, a rotating speed sensor connected with the transverse shaft is arranged in the box body, a controller connected with the rotating speed sensor is arranged in the box body, an electric push rod is fixedly connected to the inner wall of the box body, the telescopic end of the electric push rod extends to the outer side of the box body and is arranged opposite to the steel wire roller, and the telescopic end of the electric push rod is fixedly connected with an arc-shaped block attached to the steel wire roller, and the inner wall of the arc-shaped block is provided with a friction block which is contacted with the steel wire roller.

In the high-rise escape equipment, the controller is electrically connected with the electric push rod, the rotating speed data signal acquired by the rotating speed sensor is transmitted into the controller, the controller transmits the output signal into the electric push rod and ensures the constant rotating speed of the steel wire roller, the initial position of the friction block in the arc plate is tightly attached to the steel wire roller, and the lower end of the box body is provided with a starting switch electrically connected with the controller.

Compared with the prior art, this high building equipment of fleing's advantage lies in:

1. the constant-speed mechanism is arranged, so that the constant rotating speed of the steel wire roller can be ensured, the constant speed of a user during descending can be ensured, the safety of the user can be improved, in addition, external personnel can control the steel wire roller in a manual mode during use of the device, and particularly, the external personnel can regulate the rotation of the steel wire roller by controlling the handle on the outer side of the first rotating shaft, and the safety of the user can be further ensured.

2. When the escape equipment needs to be used, the two strip-shaped plates can be rotated to the horizontal position, the limiting and supporting mechanism is adjusted to ensure that the strip-shaped plates are in a stable state, the pull rod at the lower end of the bobbin is pulled to enable the insert rod to move downwards, the strip-shaped plates are adjusted to the horizontal position, then the pull rod is loosened again, and the insert rod is enabled to move into the strip-shaped plates under the restoring action of the compression spring to ensure the stability of the strip-shaped plates.

3. When the device is not used, the two strip-shaped plates can be rotated to be in a vertically upward state, so that the occupied space is reduced, the device also has a protection effect on the device, and the damage of the external environment to the device is reduced.

Drawings

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

fig. 2 is a schematic bottom view of the high-rise escape apparatus according to the present invention;

fig. 3 is a schematic top view of the high-rise escape apparatus according to the present invention;

FIG. 4 is a schematic side view of a high-rise escape apparatus according to the present invention;

FIG. 5 is an enlarged view of a portion A of FIG. 1;

FIG. 6 is a structural diagram of a limiting and supporting mechanism of the high-rise escape equipment provided by the invention;

fig. 7 is a side sectional view of a box body of the high-rise escape equipment provided by the invention.

In the figure, a 1-floor wall body, a 2L-shaped bracket, a 3-strip-shaped plate, a 4U-shaped handle, a 5 first rotating shaft, a 6 second rotating shaft, a 7 steel wire roller, an 8 guide roller, a 9 steel wire rope, a 10 supporting plate, a 11 first pin shaft, a 12 first connecting rod, a 13 second pin shaft, a 14 second connecting rod, a 15 movable rod, a 16 sleeve, a 17L-shaped connecting rod, a 18 bobbin, a 19 movable block, a 20 inserted rod, a 21 pull rod, a 22 compression spring, a 23 lock catch, a 24 third rotating shaft, a 25 first gear, a 26 second gear, a 27 third gear, a 28 handle, a 29 box body, a 30 supporting plate, a 31 mounting block, a 32 transverse shaft, a 33 electric push rod and a 34 arc-shaped block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Examples

Referring to fig. 1-7, a high-rise escape device comprises a building wall body 1 and two L-shaped brackets 2, wherein the two L-shaped brackets 2 are fixedly connected to the outer side of the building wall body 1, the lower end side walls of the two L-shaped brackets 2 are respectively and rotatably connected with a strip-shaped plate 3, the two strip-shaped plates 3 are correspondingly arranged at the inner sides of the two L-shaped brackets 2, a same U-shaped handle 4 is fixedly connected between the side walls of the two strip-shaped plates 3 away from the L-shaped brackets 2, the opposite side walls of the two L-shaped brackets 2 are respectively provided with an auxiliary support mechanism connected with the strip-shaped plate 3, the auxiliary support mechanism comprises a first pin shaft 11 fixedly connected to the side walls of the L-shaped brackets 2, the outer side of the first pin shaft 11 is rotatably sleeved with an inclined first connecting rod 12, the outer side wall of the strip-shaped plate 3 is fixedly connected with a second pin shaft 13 parallel to the first pin shaft 11, and the outer side wall of the second pin shaft 13 is rotatably sleeved with a second connecting rod 14 corresponding to the first connecting rod 12, equal sliding connection has the movable rod 15 on the relative lateral wall of first connecting rod 12 and second connecting rod 14, and has cup jointed same root sleeve pipe 16 between two movable rods 15, guarantees the stability when strip shaped plate 3 rotates, improves overall structure's intensity.

Further, the lower end of the L-shaped bracket 2 is provided with a limiting support mechanism connected with the strip-shaped plate 3, the limiting support mechanism comprises L-shaped connecting rods 17 fixedly connected to the lower end of the L-shaped bracket 2, the horizontal ends of the two L-shaped connecting rods 17 are oppositely arranged, the lower end of each L-shaped connecting rod 17 is fixedly connected with a vertical bobbin 18, a horizontal moving block 19 is slidably connected with the bobbin 18, the upper end of each moving block 19 is fixedly connected with an inserted rod 20, one end of each inserted rod 20 far away from the moving block 19 respectively penetrates through the bobbin 18 and the L-shaped supporting rod 17 and is connected with the lower end of the strip-shaped plate 3, the lower end of the strip-shaped plate 3 is provided with a slot corresponding to the inserted rod 20, the lower end of the moving block 19 is fixedly connected with a vertical pull rod 21, the lower end of the pull rod 21 extends to the lower side of the bobbin 18, a compression spring 22 is sleeved outside the pull rod 21 of the moving block 19, and two ends of the compression spring 22 are respectively fixedly connected with the lower end surface of the moving block 19 and the inner bottom wall of the bobbin 18, under spacing supporting mechanism's use, can carry out spacing processing to strip shaped plate 3's position, guarantee the stability of strip shaped plate 3 when using.

A first rotating shaft 5 and a second rotating shaft 6 which are arranged in parallel are rotatably connected to the side wall of one strip-shaped plate 3, one ends, far away from the strip-shaped plate 3, of the first rotating shaft 5 and the second rotating shaft 6 extend to the outer side of the other strip-shaped plate 3, the first rotating shaft 5 and the second rotating shaft 6 at the outer side of the strip-shaped plate 3 are connected through a transmission mechanism, the transmission mechanism comprises a third rotating shaft 24 which is rotatably connected to the side wall of the strip-shaped plate 3, the third rotating shaft 24 is correspondingly arranged between the first rotating shaft 5 and the second rotating shaft 6, a first gear 25 is fixedly sleeved on the outer side wall of the first rotating shaft 5 at the outer side of the strip-shaped plate 3, a second gear 26 which is meshed with the first gear 25 is fixedly sleeved on the outer side wall of the third rotating shaft 24, a third gear 27 which is meshed with the second gear 26 is fixedly sleeved on the outer side wall of the second rotating shaft 6, the first gear 25 and the second gear 26 are the same in size, and the size of the third gear 27 is smaller than the second gear 26, the handle 28 for adjusting is fixedly sleeved on the outer side of the first rotating shaft 5, the steel wire roller 7 and the guide roller 8 can rotate simultaneously under the use of the transmission mechanism, and the rotating speed of the steel wire roller 7 can be adjusted by controlling the handle 28.

Wherein, fixed steel wire roller 7 and the guide roll 8 of having cup jointed respectively on the lateral wall of first pivot 5 between two strip shaped plate 3 and second pivot 6, the winding has wire rope 9 on the lateral wall of steel wire roller 7, and wire rope 9 keeps away from the one end process of steel wire roller 7 and perpendicular downward setting from the upper end of guide roll 8, the external diameter value of steel wire roller 7 is greater than the external diameter value of guide roll 8, set up the annular groove that corresponds with wire rope 9 on the lateral wall of guide roll 8, and wire rope 9 removes in the annular groove, wire rope 9's lower extreme fixedly connected with is used for tying up user's hasp 23, can tie up user's clothing and tie up, and hasp 23 is prior art product.

Further, the lower ends of the two strip-shaped plates 3 are fixedly connected with a same horizontal support plate 10, the support plate 10 is correspondingly arranged between the first rotating shaft 5 and the second rotating shaft 6, the upper end of the support plate 10 is provided with a constant speed mechanism connected with the steel wire roller 7, the constant speed mechanism comprises a box body 29 fixedly connected with the upper end of the support plate 10, the left side wall and the right side wall of the box body 29 are fixedly connected with a horizontal support plate 30, the support plate 30 is correspondingly arranged at the lower side of the steel wire rope 9, the upper end of the support plate 30 at the lower side of the steel wire rope 9 is fixedly connected with two vertical installation blocks 31, a same transverse shaft 32 is rotatably connected between the two installation blocks 31, the transverse shaft 32 penetrates through the box body, the outer side wall of the transverse shaft 32 between the two installation blocks 31 is fixedly sleeved with a roller contacted with the steel wire rope 9, the box body 29 is internally provided with a rotating speed sensor connected with the transverse shaft 32, and the box body 29 is internally provided with a controller connected with the rotating speed sensor, fixedly connected with electric putter 33 on the inner wall of box 29, and electric putter 33's flexible end extends to the outside of box 29 and sets up with steel wire roller 7 is relative, electric putter 33's flexible end fixedly connected with and steel wire roller 7 laminating arc 34, and be provided with the clutch blocks with steel wire roller 7 contact on the inner wall of arc 34, and is specific, controller and electric putter 33 electric connection, rotational speed data signal transmission that speed sensor obtained is to the controller in, and the controller is with output signal transmission to electric putter 33 in and guarantee the invariant of steel wire roller 7 rotational speed, the initial position of clutch blocks in the arc 34 closely laminates with steel wire roller 7, the lower extreme of box 29 is provided with the start switch with controller electric connection, and the control process of above-mentioned speed sensor and controller is prior art, no longer describe again.

In the invention, when the escape equipment is required to be used, the two strip-shaped plates 3 can be rotated to the horizontal position, the limiting and supporting mechanism is adjusted to ensure that the strip-shaped plates are in a stable state, the pull rod 21 at the lower end of the bobbin 18 is pulled to make the inserted rod 20 move downwards, the strip-shaped plates 3 are adjusted to the horizontal position, then the pull rod 21 is loosened again, and the inserted rod 20 moves into the strip-shaped plates 3 under the restoring action of the compression spring 22 to ensure the stability of the strip-shaped plates 3; after the equipment is stabilized, the lock 23 at the lower end of the steel wire rope 9 can be fixed with clothes of a user, or the user can bind the steel wire rope 9 on an arm and then touch a starting switch at the lower end of the box body 29, so that the arc-shaped block 34 is separated from contact with the steel wire roller 7, the steel wire rope 9 is released, the descending escape of the user can be realized, and in the escape process, the constant speed mechanism is arranged, so that the constant rotating speed of the steel wire roller 7 can be ensured, the descending speed of the user is ensured to be constant, and the safety of the user is improved; in addition, when the device is used, external personnel can control the steel wire roller 7 in a manual mode, specifically, the external personnel can adjust the rotation of the steel wire roller 7 by controlling the handle 28 on the outer side of the first rotating shaft 5, and the safety of a user can be further ensured; this equipment can be with two bar shaped plate 3 rotatory to vertical ascending states when not using to reduce the space that occupies and also play the effect of protection to self, reduce the injury that external environment caused equipment.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. A high-rise escape device comprises a building wall body (1) and two L-shaped supports (2), wherein the two L-shaped supports (2) are fixedly connected to the outer side of the building wall body (1), the high-rise escape device is characterized in that the lower end side walls of the two L-shaped supports (2) are respectively and rotatably connected with a strip-shaped plate (3), the two strip-shaped plates (3) are correspondingly arranged on the inner sides of the two L-shaped supports (2), a same U-shaped handle (4) is fixedly connected between the side walls, far away from the L-shaped supports (2), of the two strip-shaped plates (3), auxiliary supporting mechanisms connected with the strip-shaped plates (3) are respectively arranged on the back side walls of the two L-shaped supports (2), the lower ends of the L-shaped supports (2) are provided with limiting supporting mechanisms connected with the strip-shaped plates (3), one of the strip-shaped plates (3) is rotatably connected with a first rotating shaft (5) and a second rotating shaft (6) which are arranged in parallel, and one ends of the first rotating shaft (5) and the second rotating shaft (6) far away from the strip-shaped plate (3) extend to the outer side of the other strip-shaped plate (3), the first rotating shaft (5) and the second rotating shaft (6) on the outer sides of the strip-shaped plates (3) are connected through a transmission mechanism, the outer side walls of the first rotating shaft (5) and the second rotating shaft (6) between the two strip-shaped plates (3) are respectively and fixedly sleeved with a steel wire roller (7) and a guide roller (8), the outer side wall of the steel wire roller (7) is wound with a steel wire rope (9), one end of the steel wire rope (9) far away from the steel wire roller (7) passes through the upper end of the guide roller (8) and is vertically arranged downwards, the lower ends of the two strip-shaped plates (3) are fixedly connected with the same horizontal supporting plate (10), and the supporting plate (10) is correspondingly arranged between the first rotating shaft (5) and the second rotating shaft (6), the upper end of the supporting plate (10) is provided with a constant speed mechanism connected with the steel wire roller (7); the constant speed mechanism comprises a box body (29) fixedly connected to the upper end of a supporting plate (10), horizontal supporting plates (30) are fixedly connected to the left side wall and the right side wall of the box body (29), the supporting plates (30) are correspondingly arranged on the lower side of a steel wire rope (9), two vertical mounting blocks (31) are fixedly connected to the upper end of the supporting plate (30) on the lower side of the steel wire rope (9), a same transverse shaft (32) is rotatably connected between the two mounting blocks (31), the transverse shaft (32) penetrates through the box body, rollers in contact with the steel wire rope (9) are fixedly sleeved on the outer side wall of the transverse shaft (32) between the two mounting blocks (31), a rotating speed sensor connected with the transverse shaft (32) is arranged in the box body (29), a controller connected with the rotating speed sensor is arranged in the box body (29), and an electric push rod (33) is fixedly connected to the inner wall of the box body (29), and the telescopic end of the electric push rod (33) extends to the outer side of the box body (29) and is arranged opposite to the steel wire roller (7), the telescopic end of the electric push rod (33) is fixedly connected with an arc-shaped block (34) attached to the steel wire roller (7), and a friction block in contact with the steel wire roller (7) is arranged on the inner wall of the arc-shaped block (34).

2. A high-rise escape device according to claim 1, wherein the auxiliary support mechanism comprises a first pin (11) fixedly connected to the side wall of the L-shaped support (2), an inclined first connecting rod (12) is rotatably sleeved on the outer side of the first pin (11), a second pin (13) parallel to the first pin (11) is fixedly connected to the outer side wall of the strip-shaped plate (3), a second connecting rod (14) corresponding to the first connecting rod (12) is rotatably sleeved on the outer side wall of the second pin (13), movable rods (15) are slidably connected to the side walls of the first connecting rod (12) and the second connecting rod (14) opposite to each other, and the same sleeve (16) is sleeved between the two movable rods (15).

3. The high-rise escape device according to claim 2, wherein the limiting and supporting mechanism comprises L-shaped connecting rods (17) fixedly connected to the lower ends of the L-shaped brackets (2), the horizontal ends of the two L-shaped connecting rods (17) are oppositely arranged, the lower ends of the L-shaped connecting rods (17) are fixedly connected with vertical bobbins (18), horizontal moving blocks (19) are slidably connected to the bobbins (18), the upper ends of the moving blocks (19) are fixedly connected with inserting rods (20), one ends of the inserting rods (20), far away from the moving blocks (19), respectively penetrate through the bobbins (18) and the L-shaped supporting rods (17) and are connected with the lower ends of the strip-shaped plates (3), the lower ends of the strip-shaped plates (3) are provided with slots corresponding to the inserting rods (20), the lower ends of the moving blocks (19) are fixedly connected with vertical pull rods (21), and the lower ends of the pull rods (21) extend to the lower sides of the bobbins (18), a compression spring (22) is sleeved outside a pull rod (21) on the lower side of the moving block (19), and two ends of the compression spring (22) are fixedly connected with the lower end face of the moving block (19) and the inner bottom wall of the bobbin (18) respectively.

4. A high-rise escape device according to claim 3, wherein the outer diameter of the wire roller (7) is larger than the outer diameter of the guide roller (8), an annular groove corresponding to the wire rope (9) is formed in the outer side wall of the guide roller (8), the wire rope (9) moves in the annular groove, and a lock catch (23) for binding a user is fixedly connected to the lower end of the wire rope (9).

5. A high-rise escape apparatus according to claim 4, wherein the transmission mechanism comprises a third rotating shaft (24) rotatably connected to the side wall of the strip-shaped plate (3), and the third rotating shaft (24) is correspondingly arranged between the first rotating shaft (5) and the second rotating shaft (6), a first gear (25) is fixedly sleeved on the outer side wall of the first rotating shaft (5) at the outer side of the strip-shaped plate (3), a second gear (26) meshed with the first gear (25) is fixedly sleeved on the outer side wall of the third rotating shaft (24), a third gear (27) meshed with the second gear (26) is fixedly sleeved on the outer side wall of the second rotating shaft (6), the first gear (25) and the second gear (26) have the same size, and the size of the third gear (27) is smaller than that of the second gear (26), and a handle (28) for adjustment is fixedly sleeved on the outer side of the first rotating shaft (5).

6. The high-rise escape device according to claim 1, wherein the controller is electrically connected with the electric push rod (33), the rotating speed data signal acquired by the rotating speed sensor is transmitted into the controller, the controller transmits the output signal into the electric push rod (33) and ensures the constant rotating speed of the steel wire roller (7), the initial position of the friction block in the arc-shaped block (34) is tightly attached to the steel wire roller (7), and the lower end of the box body (29) is provided with a starting switch electrically connected with the controller.