CN116143045A - Foldable pedal and evacuation and rescue platform between refuge layers - Google Patents

Abstract

The invention discloses a foldable pedal and an evacuation and rescue platform between refuge layers, belongs to the technical field of evacuation and rescue, and aims to solve the problem that in the prior art, the occupied area of an evacuation pedal is large in a daily and non-rescue state. The foldable pedal comprises a pedal support, a first plate body, a second plate body and a telescopic rod, wherein one end of the first plate body is rotationally connected with the pedal support, the other end of the first plate body is rotationally connected with the second plate body, and one end of the pedal support is rotationally connected with one end of the telescopic rod. The evacuation platform comprises at least one layer of rescue platform unit, wherein the rescue platform unit comprises a first evacuation pedal and a second evacuation pedal, and the first evacuation pedal and the second evacuation pedal are all foldable pedals. The invention can be used for interlayer evacuation rescue.

Description

Foldable pedal and evacuation and rescue platform between refuge layers

Technical Field

The invention belongs to the technical field of evacuation and rescue, and particularly relates to a foldable pedal and an evacuation and rescue platform between evacuation layers.

Background

Urban land is increasingly stressed along with the continuous advancement of urban and modern processes, and the number and the height of high-rise buildings in the cities are continuously increased. Compared with the common building, once a fire accident occurs, the high-rise building can cause higher fire risk due to more personnel and electric heater equipment and longer evacuation time.

In order to facilitate trapped people to enter the evacuation equipment, an evacuation pedal is usually arranged on the side face of the evacuation equipment for the trapped people to log in, and the existing evacuation pedal is usually in a straight plate form, so that the occupied area of the evacuation pedal is large in a daily and non-rescue state, and the whole occupied area of the evacuation equipment is large.

Disclosure of Invention

In view of the above analysis, the invention aims to provide a foldable pedal and an evacuation and rescue platform between refuge layers, which are used for solving the problem that the evacuation pedal occupies a larger area in a daily and non-rescue state in the prior art.

The aim of the invention is mainly achieved by the following technical scheme.

The invention provides a foldable pedal which comprises a pedal support, a first plate body, a second plate body and a telescopic rod, wherein one end of the first plate body is rotatably connected with the pedal support, the other end of the first plate body is rotatably connected with the second plate body, and one end of the pedal support is rotatably connected with one end of the telescopic rod.

Further, the foldable pedal has a vertical mode, a tilt mode, and a horizontal mode with respect to the mounting surface.

Further, when the foldable pedal is in an inclined mode or a horizontal mode, the telescopic rod is in an extension state, and the first plate body and the second plate body are positioned on the same plane;

when the foldable pedal is in the vertical mode, the telescopic rod is in a contracted state, and the first plate body and the second plate body are arranged in the vertical direction and are overlapped.

Further, the telescopic rod is located below the first plate body and the second plate body.

Further, the pedal bracket is rotatably connected between one end of the pedal bracket and one end of the telescopic rod, between the first plate body and the second plate body, and between the other end of the telescopic rod and one end of the second plate body far away from the first plate body through the rotating shaft.

Further, the telescopic rod comprises a pedal driving motor for driving the telescopic rod to stretch and retract.

Further, the novel plate further comprises railings arranged on two sides of the first plate body and the second plate body.

Further, between the multiple refuge layers, in the vertical direction, opposite surfaces of two adjacent foldable pedals are provided with corresponding signal receivers and signal transmitters.

Further, the signal receiver is arranged on the lower surface of the upper foldable pedal, and the signal transmitter is arranged on the upper surface of the lower foldable pedal.

The invention also provides an evacuation and rescue platform between the refuge layers, which comprises at least one layer of rescue platform unit, wherein the rescue platform unit comprises a first evacuation pedal and a second evacuation pedal, and the first evacuation pedal and the second evacuation pedal are both foldable pedals.

Compared with the prior art, the invention can realize at least one of the following beneficial effects.

A) According to the foldable pedal, on one hand, the telescopic rod is rotatably connected with the pedal support, and the first evacuation pedal and the second evacuation pedal can be switched between the inclined mode and the horizontal mode by changing the angle between the telescopic rod and the pedal support; on the other hand, through changing telescopic length, can change the distance between the one end that pedal support and second plate kept away from first plate body for adapt to the change of distance for take place to rotate between first plate body and the second plate body, thereby can switch between vertical mode and tilt mode or between vertical mode and horizontal mode.

B) According to the foldable pedal, the first plate body and the second plate body are arranged in the vertical direction and are overlapped under the daily and non-rescue state of the evacuation pedal, and the telescopic rods are in the contracted state, so that the occupied area of the foldable pedal can be effectively reduced.

In the invention, the technical schemes can be mutually combined to realize more preferable combination schemes. Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the embodiments of the invention particularly pointed out in the written description and drawings.

Drawings

The drawings are only for purposes of illustrating particular embodiments and are not to be construed as limiting the invention, like reference numerals being used to refer to like parts throughout the several views.

FIG. 1a is a schematic view of a foldable pedal in a vertical mode according to a first embodiment of the present invention;

FIG. 1b is a schematic view of a foldable pedal according to a first embodiment of the present invention from a vertical mode to a horizontal mode;

FIG. 1c is a schematic view of a foldable pedal in a tilt mode according to a first embodiment of the present invention;

fig. 2 is an evacuation and rescue schematic diagram of an evacuation and rescue platform between refuge layers according to an embodiment of the present invention;

FIG. 3 is a schematic diagram of a position of an evacuation and rescue platform between refuge layers according to an embodiment of the present invention;

fig. 4a is a schematic structural diagram of an evacuation and rescue platform between refuge layers in a daily mode according to a first embodiment of the present invention;

fig. 4b is a schematic structural diagram of an evacuation and rescue platform between refuge layers in a hanging-off mode according to an embodiment of the present invention;

fig. 5 is a schematic structural diagram of a rotating boom in an evacuation and rescue platform between refuge layers according to an embodiment of the present invention;

fig. 6 is a schematic diagram of a connection structure between a rotating boom and a nacelle in an evacuation and rescue platform between refuge layers according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a mobile base in an evacuation and rescue platform between refuge layers according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a cabin in an evacuation and rescue platform between refuge layers according to an embodiment of the present invention.

Reference numerals:

1-a railing; a 2-signal receiver; 3-pedal clasp; 4-rotating shaft; 5-a second plate; 6-bulge; 7-a telescopic rod; 8-a first plate body; 9-a signal transmitter; 10-a gravity center adjusting ball; 11-a pedal bracket; 12-hanging arm hook buckle; 13-winding drum; 14-a boom indicator; 15-a mechanical arm; 16-supporting rods; 17-a boom drive motor; 18-a rotating seat; 19-a guide cable; 20-a chain; 21-hooking lock; 22-latch hook; 23-cabin hook; 24-pod indicator lights; 25-cabin body; 251-inner layer; 252-outer layer; 26-a bottom plate; 27-stepping on the pedal; 28-a moving wheel; 29-supporting seat.

Detailed Description

The following detailed description of preferred embodiments of the invention is made in connection with the accompanying drawings, which form a part hereof, and together with the description of the embodiments of the invention, are used to explain the principles of the invention and are not intended to limit the scope of the invention.

Example 1

The present embodiment provides a foldable pedal, referring to fig. 1a to 1c, which has a vertical mode, an inclined mode and a horizontal mode with respect to a mounting surface (e.g., a horizontal plane), and includes a pedal bracket 11, a first plate 8, a second plate 5 and a telescopic rod 7 (e.g., a hydraulic rod), one end of the first plate 8 is rotatably connected with the pedal bracket 11, the other end of the first plate 8 is rotatably connected with the second plate 5, and one end of the pedal bracket 11 is rotatably connected with one end of the telescopic rod 7.

When the foldable pedal is in the inclined mode or the horizontal mode, the telescopic rod 7 is in an extension state, the first plate body 8 and the second plate body 5 are located on the same plane, when the foldable pedal is in the vertical mode, the telescopic rod 7 is in a contraction state, and the first plate body and the second plate body are all arranged along the vertical direction and are overlapped.

Compared with the prior art, the foldable pedal provided by the embodiment has the advantages that on one hand, the telescopic rod 7 is rotatably connected with the pedal bracket 11, and the first evacuation pedal and the second evacuation pedal can be switched between the inclined mode and the horizontal mode by changing the angle between the telescopic rod 7 and the pedal bracket 11; on the other hand, by changing the telescopic length, the distance between the pedal bracket 11 and the end of the second plate 5 away from the first plate 8 can be changed, and in order to accommodate the change in distance, rotation occurs between the first plate 8 and the second plate 5, so that switching between the vertical mode and the inclined mode or between the vertical mode and the horizontal mode can be performed.

Meanwhile, under the daily and non-rescue state, the evacuation pedal is in a contracted state, and the first plate body and the second plate body are arranged in the vertical direction and are overlapped, so that the occupied area of the foldable pedal can be effectively reduced.

In order to facilitate the telescopic rod 7 to drive the rotation of the first plate 8 and the second plate 5, the telescopic rod 7 is located below the first plate 8 and the second plate 5.

Illustratively, the pedal bracket 11 is rotatably connected to one end of the telescopic rod 7, the first plate 8 and the second plate 5, and the other end of the telescopic rod 7 and one end of the second plate 5 away from the first plate 8 through the rotation shaft 4.

It will be appreciated that, in order to enable automatic extension and retraction of the telescopic rod 7, the foldable pedal further comprises a pedal drive motor for driving the telescopic rod 7 to extend and retract.

In order to improve the evacuation safety of the foldable pedal, the foldable pedal further comprises a railing 1 arranged on two sides of the first plate body 8 and the second plate body 5, and trapped people can be guaranteed not to fall from the foldable pedal through the arrangement of the railing 1 in the process of passing through the foldable pedal, so that the evacuation safety of the foldable pedal can be improved.

In order to be able to determine whether the foldable pedal is switched to the horizontal mode, between the multiple shelter layers, the opposite surfaces of the adjacent two foldable pedals (i.e. the lower surface of the upper foldable pedal and the upper surface of the lower foldable pedal) are provided with corresponding signal receivers 2 and signal transmitters 9 in the vertical direction, and the signal receivers 2 are provided on the lower surface of the upper foldable pedal and the signal transmitters 9 are provided on the upper surface of the lower foldable pedal, respectively, from the viewpoint of control. Thus, when the two adjacent foldable pedals are not fully unfolded to the horizontal state, the signal receiver 2 cannot receive the signal transmitted by the signal transmitter 9, and once the two adjacent foldable pedals are fully unfolded, the signal receiver 2 is located on the signal path of the signal transmitter 9, so that the signal transmitted by the signal transmitter 9 can be received, which indicates that the two adjacent foldable pedals are in the horizontal mode.

Example two

The embodiment provides an evacuation and rescue platform between refuge layers, referring to fig. 2 to 4b, including at least one layer of rescue platform unit, the rescue platform unit includes a first evacuation pedal and a second evacuation pedal, the structures of the first evacuation pedal and the second evacuation pedal are basically the same, and the first evacuation pedal and the second evacuation pedal are foldable pedals provided in the first embodiment.

Compared with the prior art, the beneficial effects of the evacuation rescue platform between refuge layers provided by the embodiment are basically the same as those of the foldable pedal provided by the first embodiment, and are not repeated here.

Illustratively, the rescue platform unit further comprises a mobile base, a nacelle and a rotary boom, wherein the bottom end of the rotary boom is rotatably connected with the mobile base, one end of the pedal bracket 11 is fixedly connected with the mobile base, the nacelle is suspended below the top end of the rotary boom and is arranged on the mobile base, the first evacuation pedal is positioned on one side of the mobile base and is rotatably connected with the mobile base, and the second evacuation pedal is positioned on the other side of the mobile base and is rotatably connected with the mobile base.

Specifically, the rescue platform unit is provided with a daily mode, a login mode and a hanging-off mode, wherein when the rescue platform unit is in the daily mode, the first evacuation pedal and the second evacuation pedal are both in a vertical mode, and the nacelle is positioned at the center of the movable base; the rescue platform unit is in a login mode, the first evacuation pedal is in an inclined mode and used as a personnel login pedal, the second evacuation pedal is still in a vertical mode, the nacelle is positioned at the center of the movable base, and the entrance of the nacelle is in an open state; the rescue platform unit is in a hanging-off mode, the first evacuation pedal is in an inclined mode, the first evacuation pedal is used as a person logging-in pedal, the second evacuation pedal is in a horizontal mode, the second evacuation pedal is used as a person hanging-off pedal, the entrance of the nacelle is in a closed state, and the nacelle moves to the side face of the second evacuation pedal through the rotary suspension arm and is arranged in a suspended mode.

For high-rise buildings, more people are needed, and when a fire disaster occurs, the people can be evacuated for a long time, so that the people can be evacuated safely in a short time. In order to avoid casualties, when the public building height exceeds 100 meters, a refuge layer and a refuge space should be arranged. The evacuation floor is a temporary evacuation floor adopted by personnel in the building when the high-rise building breaks out of fire and is used for meeting the requirement of temporary evacuation of evacuated personnel and waiting for fire extinguishing rescue. Therefore, for high-rise buildings, the existence of the refuge layer can strive for a great deal of time for fire-fighting and rescue, but in the traditional high-rise buildings, the refuge layer is used as a temporary refuge method, so that the rescue time of people can be only increased, and the life safety of the people cannot be guaranteed not to be threatened.

Compared with the prior art, the evacuation platform between refuge layers provided by the embodiment is a rescue platform which is placed in each refuge layer of a high-rise building in advance and used for the trapped people in the refuge layers to move between the refuge layers, so that the situations of long vertical evacuation distance, high danger in the evacuation process, difficult personnel evacuation and the like of the personnel in the high-rise building fire can be solved, materials required by the personnel are convenient, fire-fighting rescue equipment is transported, and necessary conditions are provided for the fire-fighting rescue workers to spread out fire-fighting rescue combat in the high-rise building.

For the structure of the rotary boom, specifically, it includes a mechanical arm 15, a rotating seat 18, a chain 20 and a drum 13, see fig. 5, the rotating seat 18 is disposed on the moving base, one end of the mechanical arm 15 is rotationally connected with the moving base through the rotating seat 18, the drum 13 is disposed at the other end of the mechanical arm 15, one end of the chain 20 is looped on the drum 13, the other end is fixedly connected with the nacelle, the nacelle is suspended below the mechanical arm 15 through the chain 20, and the nacelle can be moved from the moving base to the side of the second evacuation pedal by rotating the rotating seat 18.

Illustratively, the mechanical arm 15 includes a tilting arm and a horizontal arm, the lower end of the tilting arm is fixedly connected with the rotating base 18, the upper end of the tilting arm is fixedly connected with the horizontal arm, and the winding drum 13 is disposed below the horizontal arm.

Considering that the mechanical arm 15 needs to bear a very large force during the process of suspending the trapped person, in order to ensure the support stability of the mechanical arm 15, the rotating suspension arm further includes a support rod 16 (e.g., a hydraulic rod), one end of the support rod 16 is fixedly connected with the rotating seat 18, the other end of the support rod 16 is fixedly connected with the inclined arm, and the cross section formed by part of the inclined arm, the support rod 16 and part of the rotating seat 18 is triangular, so that the support stability of the mechanical arm 15 can be effectively improved through the support rod 16.

In the process of lifting the nacelle, the mechanical arm 15 can generate larger rotary displacement, and in order to prompt personnel that the nacelle is in the process of lifting, the rotary suspension arm further comprises a suspension arm indicator lamp 14 arranged on the horizontal arm, when the rescue platform unit is in a lifting mode, the suspension arm indicator lamp 14 is in an on state, so that the personnel nacelle is in the process of lifting, and the evacuation rescue safety of the evacuation rescue platform between the refuge layers can be further improved; in addition, the boom indicator light 14 can also be used as a boom illumination light to provide illumination for trapped personnel.

It will be appreciated that the rotating boom also includes a boom drive motor 17 for driving rotation of the rotating base 18 and a boom power supply for powering the boom drive motor 17 in order to be able to drive rotation of the rotating base 18.

For the nacelle structure, specifically, it includes a nacelle body 25 and a latch hook 22 provided on the upper surface of the nacelle body 25, referring to fig. 6, a latch 21 at the lower end of a chain 20 of a rotating boom is fixedly connected with the latch hook 22.

Similarly, in order to prompt the personnel nacelle to be in the process of lifting off, the nacelle further comprises a nacelle indicator lamp 24 arranged on a nacelle body 25, and when the rescue platform unit is in the lifting off mode, the nacelle indicator lamp 24 is in an on state, so that the personnel nacelle can be prompted to be in the process of lifting off, and the evacuation rescue safety of the evacuation rescue platform between the refuge layers can be further improved; in addition, the pod light 24 can also act as a pod light to provide illumination for trapped personnel.

Considering that when the rescue platform unit is in the lifting mode, the nacelle needs to be lifted from the rescue platform unit of the upper layer to the rescue platform unit of the lower layer, in order to reduce the shaking of the nacelle in the lifting process, the first evacuation pedal and the second evacuation pedal respectively further comprise pedal hooks 3 arranged on two sides of the first plate body 8 and/or the second plate body 5, the rotating suspension arm comprises a guide rope 19 and a suspension arm hook 12 arranged on the mechanical arm 15, the nacelle body hook 23 of the nacelle body 25 is arranged on the nacelle body, one end of the guide rope 19 is fixedly connected with the suspension arm hook 12, and the other end sequentially passes through the nacelle hook on the nacelle of the upper layer and the pedal hook 3 on the lower layer and is fixedly connected with the pedal hook 3, so that the nacelle can be guided in the lifting process, and the shaking of the nacelle is reduced.

For the structure of the mobile base, in particular, it comprises a base plate 26 and a mobile wheel 28 (for example, a wheel) and/or a support seat 29 provided on the lower surface of the base plate 26, see fig. 7. Like this, when need remove the rescue platform unit, supporting seat 29 is packed up, realizes the removal of rescue platform unit through rotating removal wheel 28, when carrying out evacuation rescue, supporting seat 29 supports bottom plate 26 to can realize the fixed connection between bottom plate 26 and the installation face.

In order to facilitate the operation of the operator to get on the floor 26 for maintenance or the like when the first evacuation pedal and the second evacuation pedal are in the vertical mode or the horizontal mode with respect to the mobile base, the mobile base further includes a pedal 27 provided on at least one side of the floor 26, and the operator can get on the floor 26 for maintenance or the like through the pedal 27 without using the first evacuation pedal and the second evacuation pedal.

It should be noted that, when the rescue platform unit is moved, because the height of the cabin 25 is higher, the cabin 25 may topple, so, for the structure of the cabin 25, specifically, the cabin 25 is in a sandwich structure, see fig. 8, including an inner layer 251 and an outer layer 252 located outside the inner layer 251, a gap is formed between the inner layer 251 and the outer layer 252, the inner wall of the outer layer 252 (i.e. the side wall facing the inner layer 251) is provided with a plurality of protrusions 6, the lower surface of the groove between two adjacent protrusions 6 (i.e. the upper surface of the protrusion 6 located below) is inclined upwards in the direction gradually away from the outer layer 252, a channel is formed between the side wall of the protrusion 6 facing the inner layer 251 and the outer wall of the inner layer 251, and the center of gravity adjusting ball 10 is separated from the bottom of the channel. In practice, taking the case that the cabin 25 tilts clockwise, when the cabin 25 tilts clockwise, the lower surface of the groove rotates clockwise, so that the lower surface of the groove changes from tilting upward to tilting downward, and once the lower surface of the groove tilts downward, the gravity center adjusting ball 10 is separated from the groove and falls to the bottom of the channel, so that the left gravity center of the cabin 25 is lowered, and the occurrence of the tilting situation of the cabin 25 can be reduced.

The inter-layer evacuation rescue method adopting the above-mentioned evacuation inter-layer evacuation rescue platform comprises the following steps:

step 1: the control center receives the fire alarm signal and switches the evacuation rescue platform from a daily mode to a login mode;

step 2: the pod indicator lights 24 are turned on, professionals at the platform guide trapped personnel to orderly board the mobile base by personnel logging in the pedal (i.e. the first evacuation pedal), and meanwhile, the control center sends personnel trapping signals to the pod;

step 3: the entrance of the nacelle is opened, and trapped personnel enter the nacelle;

step 4: after all trapped personnel enter the nacelle, the professional personnel at the platform feed back to the control center manually and send a start transfer signal to the control center, after the control center receives the start transfer signal, the control center confirms that escape transfer can be started at the moment, and the professional personnel at the control center manually presses an escape button and sends a hang-off signal to the control center;

step 5: according to the separation signal, the evacuation rescue platform is switched from a login mode to a separation mode, a personnel separation pedal (namely a second conveying pedal) is switched from a vertical mode to a horizontal mode, a telescopic rod 7 is extended immediately, the telescopic rod 7 is connected with a second plate body 5, the telescopic rod 7 drives the second plate body 5 to rotate anticlockwise by taking a rotating shaft 4 of a pedal bracket 11 as a center, the second plate body 5 is connected with a first plate body 8 through the rotating shaft 4, the second plate body 5 drives the first plate body 8 to rotate clockwise until the first plate body 8 and the second plate body 5 form a plane and are parallel to the ground, the switching of the second conveying pedal from the vertical mode to the horizontal mode is completed, and after the switching is completed, the personnel separation pedal feeds back a switching completion signal to a control center through a corresponding signal transmitter 9 and a signal receiver 2;

step 6: the control center sends a lifting signal to the rotary boom controller, the rotary boom controller controls the boom indicator lamp 14 on the horizontal arm to be turned on according to the lifting signal, meanwhile, the rotary boom controller sends a contraction signal to the chain controller, the chain controller receives the contraction signal and then controls the chain 20 to contract upwards, so that the nacelle translates upwards, the nacelle is lifted to a designated position and sends a lifting completion signal to the rotary boom controller through the chain controller, and the rotary boom controller receives the lifting completion signal and considers that the nacelle reaches the designated height at the moment and sends a rotating signal to the rotary seat controller;

it should be noted that, when the chain controller receives the contraction signal and then controls the chain 20 to contract upwards, the rotation boom controller sends a supporting signal to the supporting rod controller, and the supporting rod 16 changes the supporting force to the mechanical arm 15 upwards according to the supporting signal, so that the whole rotation boom can keep relatively still continuously;

step 7: the rotating seat controller controls the rotating seat 18 to rotate anticlockwise by 90 degrees according to the rotating signal and drives the nacelle to rotate to one side of the personnel lift-off pedal, and the entrance of the nacelle faces the personnel lift-off pedal, and sends a layer evacuation completion signal to the control center;

step 8: the control center receives the evacuation completion signal of the layer, a professional at the control center feeds back the evacuation completion signal to a professional at the platform, the professional at the platform sequentially passes through a cabin hook 23 positioned on the nacelle of the upper layer and a pedal hook 3 positioned on the nacelle of the lower layer, is fixedly connected with the pedal hook 3 and sends a connection completion signal to the control center;

step 9: the control center receives the connection completion signal and sends a descending signal to the rotary suspension arm, and the rotary suspension arm drives the nacelle to descend to the rescue platform unit on the next layer according to the descending signal;

step 10: judging whether the refuge layer of the next layer is safe or not, and if so, completing evacuation rescue of trapped people;

if not, the professional at the platform guides the trapped personnel in the nacelle to the nacelle at the next layer for hoisting away.

The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. The utility model provides a collapsible footboard, its characterized in that includes footboard support, first plate body, second plate body and telescopic link, the one end and the footboard support rotation of first plate body are connected, the other end and the second plate body of first plate body rotate to be connected, the one end and the one end rotatable coupling of telescopic link of footboard support.

2. The foldable pedal of claim 1, wherein the foldable pedal has a vertical mode, a tilt mode, and a horizontal mode with respect to a mounting surface.

3. The foldable pedal of claim 2, wherein the telescoping rod is in an extended state when the foldable pedal is in a tilt mode or a horizontal mode, the first plate and the second plate being located on the same plane;

when the foldable pedal is in a vertical mode, the telescopic rod is in a contracted state, and the first plate body and the second plate body are arranged in the vertical direction and are overlapped.

4. The foldable pedal of claim 1, wherein the telescoping rod is located below the first and second panels.

5. The foldable pedal of claim 1, wherein the pedal bracket is rotatably connected by a rotation shaft between one end of the pedal bracket and one end of the telescopic rod, between the first plate and the second plate, and between the other end of the telescopic rod and one end of the second plate away from the first plate.

6. The foldable pedal of claim 1, further comprising a pedal drive motor for driving the telescoping rod to telescope.

7. The foldable pedal of claim 1, further comprising rails disposed on both sides of the first and second panels.

8. The foldable pedal according to any one of claims 1 to 7, wherein between the multiple refuge layers, in a vertical direction, opposite surfaces of two adjacent foldable pedals are provided with corresponding signal receivers and signal transmitters.

9. The foldable pedal of claim 8, wherein the signal receiver is provided on a lower surface of the upper foldable pedal and the signal transmitter is provided on an upper surface of the lower foldable pedal.

10. An evacuation and rescue platform between refuge layers, comprising at least one layer of rescue platform unit, wherein the rescue platform unit comprises a first evacuation pedal and a second evacuation pedal, and the first evacuation pedal and the second evacuation pedal are foldable pedals according to any one of claims 1 to 9.

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