CN211972932U

CN211972932U - Evacuation rescue device for overhead track

Info

Publication number: CN211972932U
Application number: CN202020123704.9U
Authority: CN
Inventors: 佘龙华; 董钟; 赵志苏
Original assignee: Beijing Cifu Transportation Development Co ltd
Current assignee: Beijing Cifu Transportation Development Co ltd
Priority date: 2020-01-19
Filing date: 2020-01-19
Publication date: 2020-11-20
Anticipated expiration: 2030-01-19

Abstract

The utility model discloses an overhead track is with sparse rescue device, include: the rail beam is arranged on the guardrail component on at least one side of the rail beam; the guardrail assembly comprises a rotatable guardrail, and the guardrail rotates between a first position and a second position; when the guardrail is in the first position, the track beam and the guardrail form an evacuation channel; when the guardrail is in the second position, the guardrail is no higher than the upper surface of the track beam. When the vehicle normally runs, the guardrail is located at the second position, and the running of the vehicle is not influenced by the guardrail; when emergency happens, the vehicle stops on the track beam, people get off from the rescue door at the head or the tail of the vehicle, the guardrail is rotated to enable the guardrail to be located at the first position, the track beam and the guardrail can form an evacuation channel, and the people on the vehicle are transferred to the evacuation channel and are evacuated along the evacuation channel. Therefore, the evacuation rescue device for the elevated track shortens the waiting time, accelerates the rescue response, improves the evacuation speed and effectively reduces the cost.

Description

Evacuation rescue device for overhead track

Technical Field

The utility model relates to an overhead rail traffic technical field, more specifically say, relate to an overhead rail is with sparse rescue device.

Background

To alleviate large urban central streets, elevated tracks, such as magnetic levitation tracks, are typically constructed. As shown in fig. 1, the elevated track includes a pillar 01 and a track beam 02 fixed to the pillar 01, and a vehicle 03 travels on the track beam 02. When the vehicle 03 is in an emergency on the elevated rail, the vehicle 03 needs to stop on the elevated rail and evacuate people in an emergency.

At present, the traffic rescue method comprises the following steps: the method comprises a transverse rescue method, a longitudinal rescue method, an aerial ladder vertical rescue method, pipeline vertical rescue and erection of a special evacuation channel rescue.

Wherein, the horizontal rescue method is as follows: and after the rescue vehicle reaches the accident road section through another track beside and parallel to the elevated track, the rescue vehicle carries out transverse rescue and evacuation on the fault vehicle. However, in some cases, the two tracks are not necessarily parallel, and the rescue vehicle needs a certain time to arrive, so that the rescue response is slow.

Wherein, the longitudinal rescue method comprises the following steps: the rescue vehicle can carry out longitudinal rescue evacuation on the head or the tail of the vehicle in the advancing direction of the fault vehicle after passing through the same track of the fault vehicle and arriving at the accident road section. However, the rescue vehicle needs a certain time to arrive, and the rescue response is slow.

The aerial ladder vertical rescue method comprises the following steps: the aerial ladder vehicle on the ground rushes to the accident site to rescue and evacuate the accident vehicle. The aerial ladder vehicle needs time when arriving at a rescue site, rescue response is slow, and the driving route of the aerial ladder vehicle is influenced by ground traffic.

Wherein, the pipeline vertical rescue means: the vehicle 03 develops from the hose device of taking, needs evacuation personnel to take off sharp-pointed article, shoes etc. after, slide to ground from the overpass through vertical pipeline one by one in proper order. However, this method is slow, inefficient and inadaptable to most people.

Wherein, erect special evacuation passageway rescue and refer to: special evacuation channels are installed alongside the train track along the route. The mode has good safety and can quickly carry out emergency evacuation of personnel. However, the width of the elevated rail is large, the cost is high, and the landscape is affected.

In summary, how to perform evacuation rescue on an elevated rail to accelerate rescue response, increase evacuation speed and reduce cost is a problem to be urgently solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of this, the present invention provides an evacuation rescue device for elevated track to accelerate rescue response, increase evacuation speed and reduce cost.

In order to achieve the above object, the utility model provides a following technical scheme:

an evacuation rescue apparatus for an overhead rail, comprising: the rail beam is arranged on the guardrail component on at least one side of the rail beam;

wherein the guardrail assembly comprises a rotatable guardrail, and the guardrail rotates between a first position and a second position; when the guardrail is in the first position, the track beam and the guardrail form an evacuation channel; when the guardrail is in the second position, the guardrail is no higher than the upper surface of the track beam.

Preferably, the rotation axis of the guardrail is parallel to the length direction of the track beam;

the rotation directions of two opposite guardrails on two sides of the track beam are opposite;

when the guardrail is at the second position, two opposite guardrails at two sides of the track beam are sequentially distributed along the height direction of the track beam.

Preferably, the rotation axis of the guard rail is parallel to the width direction of the rail beam;

the rotating directions of two adjacent guardrails on the same side of the track beam are opposite;

the distance between the rotating ends of two adjacent guardrails on the same side of the track beam is smaller than the length of the guardrail;

when the guardrail is at the second position, two adjacent guardrails on the same side of the track beam are sequentially distributed along the width direction of the track beam.

Preferably, the guardrail assembly comprises a mounting seat, the mounting seat is fixed on the track beam, and the guardrail is rotatably arranged on the mounting seat.

Preferably, the guardrail assembly further comprises:

when the guardrail is at the first position, the first limiting piece can detachably limit the guardrail to rotate;

when the guardrail is at the second position, the second limiting piece can detachably limit the guardrail to rotate.

Preferably, the first limiting part and the second limiting part are the same limiting part;

the limiting part is a first fastening piece; or, the stopper includes: detachably sets up bayonet lock on the mount pad and cover are established spring on the bayonet lock, wherein, the one end of spring with the mount pad links to each other, the other end of spring with the bayonet lock links to each other, the guardrail has the confession bayonet lock male spacing hole.

Preferably, the first limiting part and the second limiting part are the same limiting part; the limiting part is a first fastener, the guardrail assembly further comprises a leaf spring, the leaf spring comprises two connected sub-pieces, one piece of the leaf spring is connected with the mounting seat, and the other piece of the leaf spring is connected with the guardrail.

Preferably, the first limiting piece is a hinge, one page of the hinge is fixedly connected with the mounting seat, and the other page of the hinge is provided with a limiting groove matched with the guardrail;

the second limiting part is a second fastening part.

Preferably, the guardrail comprises railings corresponding to the mounting seats one by one.

Preferably, the guardrail includes: the device comprises at least two vertical rods and a cross rod hinged with each vertical rod; the vertical rod is rotatably arranged on the mounting seat and connected with the same mounting seat, and the rotating directions of the vertical rod are the same.

Preferably, the number of the cross rods is at least two, and the mounting seat is a mounting rod.

The utility model provides an evacuation rescue device for overhead track, when the vehicle normally goes, the guardrail is located the second position, because the guardrail is not higher than the upper surface of track roof beam this moment, the guardrail does not influence the driving; when emergency happens, the vehicle stops on the track beam, the personnel get off from the rescue door at the head of the vehicle or the tail of the vehicle, the guardrail is rotated, the guardrail is located at the first position, the track beam and the guardrail can form an evacuation channel, the personnel on the vehicle are transferred to the evacuation channel, and then the evacuation channel is dredged. Therefore, compared with the prior art, the evacuation rescue device for the elevated track shortens the waiting time, accelerates the rescue response and improves the evacuation speed; meanwhile, the existing track beam and the additionally arranged guardrail component are utilized to form an evacuation channel, the evacuation channel is not required to be additionally arranged beside the track beam, and the cost is effectively reduced.

Drawings

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

FIG. 1 is a schematic illustration of a vehicle on an elevated rail provided by the prior art;

fig. 2 is a schematic structural view of an evacuation rescue device for an elevated rail according to a first embodiment of the present invention, wherein a guardrail is in a second position;

FIG. 3 is a schematic structural view of the guardrail assembly of FIG. 2;

fig. 4 is a schematic structural view of an evacuation rescue device for an elevated track according to a first embodiment of the present invention, wherein a guardrail is in a first position;

FIG. 5 is a schematic structural view of the guardrail assembly of FIG. 4;

fig. 6 is a schematic structural view of a limiting member in an evacuation rescue device for an elevated rail according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of the position limiting element shown in FIG. 6;

FIG. 8 is a schematic structural view of the position limiting element shown in FIG. 6;

fig. 9 is a schematic view illustrating an installation of a leaf spring in an evacuation rescue device for an elevated rail according to a first embodiment of the present invention;

fig. 10 is a schematic structural view of an evacuation rescue device for an elevated rail according to a second embodiment of the present invention, wherein a guardrail is in a first position;

fig. 11 is a schematic structural view of an evacuation rescue device for an elevated rail according to a second embodiment of the present invention, wherein the guardrail is in a second position;

fig. 12 is a schematic view illustrating rotation of a guardrail of the evacuation rescue device for overhead rail according to the second embodiment of the present invention;

FIG. 13 is a perspective view of the guardrail assembly of FIG. 10;

fig. 14 is a distribution diagram of the guardrail assembly in the evacuation rescue device for overhead rail according to the embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 2-14, the embodiment of the present invention provides an evacuation rescue device for overhead rail, including: the track beam 2 is arranged on the guardrail component 3 at least on one side of the track beam 2;

wherein the guardrail assembly 3 comprises a rotatable guardrail, and the guardrail rotates between a first position and a second position; when the guardrail is in the first position, the track beam 2 and the guardrail form an evacuation channel; when the guard rail is in the second position, the guard rail is no higher than the upper surface of the track beam 2.

It will be appreciated that the guardrail assemblies 3 are plural and are arranged in series along the length of the track beam 2. In order to improve the protection effect, the guardrail assemblies 3 are distributed on two sides of the track beam 2.

Above-mentioned track roof beam 2 sets up on stand 1, and the overhead track includes above-mentioned stand 1 and track roof beam 2, because stand 1 highly higher, then the height that track roof beam 2 located is higher, does not have under the condition of guardrail subassembly 3 again, and personnel are difficult to overcome fear to the height and walk on track roof beam 2, and in this embodiment, through addding the guardrail, utilize the guardrail to realize the protection to personnel to make personnel can walk on the evacuation passageway that track roof beam 2 and guardrail formed.

The utility model provides an evacuation rescue device for overhead track, when the vehicle normally goes, the guardrail is located the second position, because the guardrail is not higher than the upper surface of track roof beam 2 at this moment, the guardrail does not influence the driving; when emergency happens, the vehicle stops on track roof beam 2, and personnel get off from the rescue door of locomotive or the rear of a vehicle, rotate the guardrail for the guardrail is located the first position, can make track roof beam 2 and guardrail form evacuation passageway, then realized shifting the personnel on the vehicle to evacuation passageway, then dredged along evacuation passageway and separated. Therefore, compared with the prior art, the evacuation rescue device for the elevated track shortens the waiting time, accelerates the rescue response and improves the evacuation speed; meanwhile, the existing track beam 2 and the additionally arranged guardrail component 3 are utilized to form an evacuation channel, and the evacuation channel is not required to be additionally arranged beside the track beam 2, so that the cost is effectively reduced.

The rotation direction of above-mentioned guardrail has two kinds, and when the rotation axis of guardrail was parallel with the length direction of track roof beam 2, the rotation end of guardrail was located one side of track roof beam 2, and the free end of guardrail rotated to the opposite side of track roof beam 2. At this time, the two guard rails facing each other on both sides of the track beam 2 are rotated in opposite directions. In order to avoid mutual interference between the guardrails on both sides of the track beam 2, it is preferred that the two guardrails opposite on both sides of the track beam 2 are sequentially distributed in the height direction of the track beam 2 when the guardrails are in the second position.

It will be appreciated that the track beam 2 has a space to accommodate the guard rail in the second position.

The lengths of the two opposite guardrails on the two sides of the track beam 2 can be equal or unequal; the lengths of two adjacent guardrails on the same side of the track beam 2 can be equal or unequal.

In the evacuation rescue device for an elevated rail, the rotation axis of the guardrail can be parallel to the width direction of the rail beam 2. At this moment, in order to reduce the distance between two adjacent guardrails on the same side of the track beam 2 and improve the protection effect, the rotation directions of the two adjacent guardrails on the same side of the track beam 2 are preferably selected to be opposite, and the distance between the rotation ends of the two adjacent guardrails on the same side of the track beam 2 is smaller than the length of the guardrail. It will be appreciated that the track beam 2 has a space to accommodate the guard rail in the second position.

In order to avoid interference between two adjacent guardrails on the same side of the track beam 2, it is preferable that when the guardrail is at the second position, the two adjacent guardrails on the same side of the track beam 2 are sequentially distributed along the width direction of the track beam 2.

Of course, two adjacent guardrails on the same side of the track beam 2 can also be selected to be sequentially distributed along the height direction of the track beam 2. When the height of the guardrail is smaller, the rotation directions of two adjacent guardrails on the same side of the track beam 2 can also be selected to be the same.

In the evacuation rescue device for an elevated rail, the guard rails are rotatably provided on the rail beam 2, and may be provided on other members. The latter is preferably chosen in order to reduce the influence on the track beam 2. Specifically, the guardrail assembly 3 comprises a mounting seat 301, the mounting seat 301 is fixed on the track beam 2, and the guardrail is rotatably arranged on the mounting seat 301.

The specific shape and structure of the mounting seat 301 are selected according to actual needs, and this embodiment does not limit this. For the above-mentioned rotation arrangement, it can be realized by a rotating shaft 303, a hinge, etc., and preferably, the above-mentioned guardrail is rotatably arranged on the mounting seat 301 by the rotating shaft 303.

In order to improve the stability of guardrail when the first position, improved the safeguard effect, above-mentioned guardrail subassembly 3 still includes: the first limiting piece can detachably limit the rotation of the guardrail when the guardrail is at the first position. Therefore, the guardrail is prevented from falling down from the first position, and the walking safety of passengers is improved.

Preferably, the guardrail assembly 3 further comprises a second limiting member for detachably limiting the rotation of the guardrail when the guardrail is at the second position. Like this, guaranteed that the guardrail is in the second position, prevented that the guardrail from moving and track roof beam 2 vibrations and swing because of personnel, guaranteed the normal operating of vehicle.

The specific structures of the first limiting member and the second limiting member are designed according to actual needs, and this embodiment does not limit this.

In order to reduce the number of parts, the first limiting part and the second limiting part are the same limiting part.

The limiting part can be a first fastening part 304, at this time, the mounting base 301 is provided with a first limiting hole and a second limiting hole, the guardrail is provided with a third limiting hole, and when the guardrail is at the first position, the first fastening part 304 is adopted to penetrate through the first limiting hole and the third limiting hole and fasten the mounting base 301 and the guardrail, so that the limiting of the first position is realized; when the guardrail is at the second position, the first fastener 304 is adopted to penetrate through the second limiting hole and the third limiting hole and fasten the mounting seat 301 and the guardrail, so that the limiting of the second position is realized.

The first fastening member 304 may be a pin, a bolt, a threaded connector, or the like, which is not limited in this embodiment.

The above-mentioned locating part still is other structures, for example, the locating part includes: the locking device comprises a locking pin 305 detachably arranged on the mounting seat 301 and a spring 306 sleeved on the locking pin 305, wherein one end of the spring 306 is connected with the mounting seat 301, the other end of the spring 306 is connected with the locking pin 305, and the guardrail is provided with a limiting hole for inserting the locking pin 305.

For limiting, the end of the pin 305 near the guardrail has a guiding bevel or a guiding arc. The cross-section of the guard rail section where the guard rail cooperates with the bayonet 305 is circular.

In an emergency situation, when the guardrail needs to be rotated, the bayonet 305 is extruded by the guardrail and automatically retreats to the side far away from the guardrail, and the spring 306 is compressed, as shown in fig. 6; when the guardrail is rotated to the first position, the bayonet pin 305 automatically resets under the action of the spring 306 and is matched with the limiting hole of the guardrail, as shown in fig. 7, so that the guardrail is ensured to be in the first position; after the emergency situation is relieved, the clamping pin 305 is pulled to one side far away from the guardrail, the limitation on the guardrail is relieved, and the guardrail can be rotated from the first position to the second position, as shown in fig. 8.

When the retaining member is the first fastening member 304, in order to facilitate turning the guardrail to the first position, the guardrail assembly 3 further comprises a flat spring 307, wherein the flat spring 307 comprises two connected sub-pieces, one piece of the flat spring 307 is connected with the mounting seat 301, and the other piece of the flat spring 307 is connected with the guardrail.

Specifically, when the guardrail is in the first position, the two slicing pieces are approximately parallel or parallel; when the guardrail is in the second position, an included angle is formed between the two sub-sheets, and the included angle is 90 degrees. Preferably, the two sub-sheets are connected by an arc-shaped sheet.

In the evacuation rescue device for an elevated rail, the first limiting member and the second limiting member may be different members, preferably, the first limiting member is a hinge 308, one page of the hinge 308 is fixedly connected to the mounting base 301, and the other page of the hinge 308 is provided with a limiting groove engaged with the guardrail; the second limiting part is a second fastener. It will be appreciated that the two leaves of the hinge 308 are pivotally connected.

The second fastening member is a pin, a bolt, or a threaded connection member, which is not limited in this embodiment.

In the evacuation rescue device for the elevated track, the concrete structure of the guardrail is designed according to actual requirements. Preferably, the guard rail includes a rail 302 corresponding to the mounting seats 301 one to one. At this time, the cross section of the balustrade 302 may be circular or square, etc.

Of course, the guard rail can be in other structures. For example, the guard rail includes: at least two vertical bars 309, a cross bar 310 hinged to each vertical bar 309; the vertical rod 309 is rotatably disposed on the mounting base 301, and the vertical rod 309 connected to the same mounting base 301 rotates in the same direction.

Further, the number of the cross bars 310 is at least two.

It will be appreciated that the greater the number of vertical bars 309 and cross bars 310 in the same guardrail, the better the protection. When the fence is in the first position, the vertical bar 309 and the cross bar 310 are connected vertically.

For the convenience of installation, the installation seat 301 is an installation rod. When there are two vertical rods 309 connected to the same mounting base 301, the two vertical rods 309 are located at two ends of the mounting rod, respectively.

In track roof beam 2, be provided with a sleeper every 1.2 meters, laid above-mentioned guardrail component 3 between sleeper and the sleeper for whole emergency evacuation passageway is leveled, can not become high suddenly because of the appearance of sleeper.

In order to illustrate the present embodiment more specifically, two specific embodiments are provided.

Implement one

As shown in fig. 2 to 9, the guardrail assemblies 3 are distributed on both sides of the track beam 2, the guardrail assemblies 3 include mounting seats 301 and guardrails, and the guardrails include railings 302 corresponding to the mounting seats 301 one by one. At this time, the cross-section of the balustrade 302 is circular.

The mounting base 301 is fixed on the track beam 2 by bolts, and the bottom of the railing 302 is rotatably mounted on the mounting base 301 by a pin. When the balustrade 302 is in the first position, the track beam 2 and the balustrade 302 form an evacuation channel; when the balustrade 302 is in the second position, the balustrade 302 is not higher than the upper surface of the track beam 2.

Specifically, when the balustrade 302 is in the second position, the balustrade 302 is parallel to the width direction of the track beam 2; when the balustrade 302 is in the first position, the balustrade 302 is perpendicular to the track beam 2.

The rotation axis of the balustrade 302 is parallel to the length direction of the track beam 2, and the rotation directions of two balustrades 302 opposite to each other on both sides of the track beam 2 are opposite. In order to avoid the mutual interference between the balustrades 302 on both sides of the track beam 2, it is preferable that the balustrades 302 on both sides of the track beam 2 are arranged in the height direction of the track beam 2 when the balustrades 302 are in the second position.

When the balustrade 302 is at the first position, the limit stop limits the rotation of the balustrade 302; when the balustrade 302 is in the second position, the stop limits the rotation of the balustrade 302.

Preferably, the limiting member is a first fastening member 304, and particularly, the first fastening member 304 is a bolt. Further, the guardrail assembly 3 further comprises a leaf spring 307, wherein the leaf spring 307 comprises two connected sub-pieces, one piece of the leaf spring 307 is connected with the mounting seat 301, and the other piece of the leaf spring 307 is connected with the railing 302. In an emergency situation, the balustrade 302 automatically pops up to form an evacuation channel with the track beam 2 by simply pulling out the first fastener 304.

In an emergency, selecting the limiter for more efficient emergency treatment includes: a bayonet 305 detachably arranged on the mounting base 301, and a spring 306 sleeved on the bayonet 305, wherein one end of the spring 306 is connected with the mounting base 301, the other end of the spring 306 is connected with the bayonet 305, and the rail 302 is provided with a limiting hole for inserting the bayonet 305.

Carry out two

As shown in fig. 10-14, the guard rail includes: two vertical bars 309, a cross bar 310 hinged to each vertical bar 309; the vertical rod 309 is rotatably arranged on the mounting base 301, and the rotating directions of the vertical rods 309 connected with the same mounting base 301 are the same; the number of the cross bars 310 is two, and the cross bars are sequentially distributed along the length direction of the vertical bars 309. Specifically, one cross bar 310 is located at the middle of vertical bar 309 and one cross bar 310 is located at the top of vertical bar 309.

The mounting base 301 is a mounting rod, and the length direction of the mounting rod is parallel to the length direction of the track beam 2. Two vertical bars 309 are located at the two ends of the mounting bar, respectively.

When the fence is in the second position, the vertical bar 309 and the cross bar 310 are in line with the mounting bar; when the fence is in the first position, the vertical bars 309 are perpendicular to the mounting bar and the cross bars 310 are parallel to the mounting bar.

The bottom of the vertical rod 309 is rotatably connected with the mounting rod through a pin shaft, and the vertical rod 309 is hinged with the cross rod 310 through a pin shaft.

When the fence is in the first position, the fence is removably restrained from rotation by hinges 308. Specifically, one page of the hinge 308 is fixedly connected with the mounting seat 301, and the other page of the hinge 308 is provided with a limit groove matched with the vertical rod 309. When the vertical bar 309 is a round bar, the limiting groove is an arc-shaped groove. The hinge 308 is fixedly connected to the fixing rod by a screw connection.

The second fastener removably restricts rotation of the guardrail when the guardrail is in the second position. Specifically, the second fastener is a latch. When the guardrail is in the second position, the bolt is inserted through the pin holes of the vertical rod 309 and the cross rod 310 to limit the vertical rod 309 and the cross rod 310 from rotating relatively, so that the guardrail is kept in the second position; alternatively, a pin may be inserted through the pin holes in the vertical bar 309 and the mounting bar to limit rotation of the vertical bar 309, thereby maintaining the fence in the second position.

The rotation axis of the guardrail is parallel to the width direction of the rail beam 2, and specifically, the rotation axis of the vertical bar 309 is parallel to the width direction of the rail beam 2. The rotating directions of two adjacent vertical bars 309 on the same side of the track beam 2 are opposite, and the distance between the rotating ends of two adjacent vertical bars 309 on the same side of the track beam 2 is smaller than the length of the vertical bar 309. In order to avoid interference between two adjacent vertical bars 309 on the same side of the track beam 2, it is preferred that when the guard rail is in the second position, two guard rails adjacent on the same side of the track beam 2 are distributed in sequence along the width direction of the track beam 2, as shown in fig. 14.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An evacuation rescue apparatus for an overhead rail, comprising: the guardrail comprises a track beam (2) and a guardrail component (3) arranged on at least one side of the track beam (2);

wherein the barrier assembly (3) comprises a rotatable barrier, and the barrier rotates between a first position and a second position; when the guardrail is in the first position, the track beam (2) and the guardrail form an evacuation channel; when the guardrail is in the second position, the guardrail is not higher than the upper surface of the track beam (2).

2. An evacuation rescue apparatus for an elevated rail according to claim 1,

the rotation axis of the guardrail is parallel to the length direction of the track beam (2);

the two opposite guardrails on the two sides of the track beam (2) have opposite rotating directions;

when the guardrail is at the second position, two opposite guardrails on two sides of the track beam (2) are sequentially distributed along the height direction of the track beam (2).

3. An evacuation rescue apparatus for an elevated rail according to claim 1,

the rotation axis of the guardrail is parallel to the width direction of the track beam (2);

the rotating directions of two adjacent guardrails on the same side of the track beam (2) are opposite;

the distance between the rotating ends of two adjacent guardrails on the same side of the track beam (2) is less than the length of the guardrail;

when the guardrails are at the second position, two adjacent guardrails on the same side of the track beam (2) are sequentially distributed along the width direction of the track beam (2).

4. An evacuation rescue apparatus for an elevated rail according to any one of claims 1 to 3, characterized in that the guardrail assembly (3) comprises a mounting seat (301), the mounting seat (301) is fixed on the rail beam (2), and the guardrail is rotatably arranged on the mounting seat (301).

5. An evacuation rescue apparatus for an elevated rail according to claim 4, characterized in that the guardrail assembly (3) further comprises:

6. An evacuation rescue apparatus for an elevated rail according to claim 5,

the first limiting part and the second limiting part are the same limiting part;

the limiting piece is a first fastening piece (304); or, the stopper includes: the safety guard comprises a bayonet (305) detachably arranged on the mounting seat (301) and a spring (306) sleeved on the bayonet (305), wherein one end of the spring (306) is connected with the mounting seat (301), the other end of the spring (306) is connected with the bayonet (305), and the safety guard is provided with a limiting hole for the bayonet (305) to be inserted.

7. An evacuation rescue apparatus for an elevated rail according to claim 5,

the first limiting part and the second limiting part are the same limiting part; the limiting piece is a first fastener (304), the guardrail assembly (3) further comprises a flat spring (307), the flat spring (307) comprises two connected sub-pieces, one piece of the flat spring (307) is connected with the mounting seat (301), and the other piece of the flat spring (307) is connected with the guardrail.

8. An evacuation rescue apparatus for an elevated rail according to claim 5,

the first limiting piece is a hinge (308), one page of the hinge (308) is fixedly connected with the mounting base (301), and the other page of the hinge (308) is provided with a limiting groove matched with the guardrail;

the second limiting part is a second fastening part.

9. An evacuation rescue apparatus for an elevated rail according to claim 4, characterized in that the guardrail comprises railings (302) corresponding one-to-one to the mounting seats (301).

10. An evacuation rescue apparatus for an elevated rail according to claim 4, wherein the guardrail comprises: at least two vertical rods (309), a cross bar (310) hinged with each vertical rod (309); the vertical rod (309) is rotatably arranged on the mounting seat (301), and the vertical rod (309) connected with the same mounting seat (301) has the same rotating direction.

11. An evacuation rescue apparatus for an elevated rail according to claim 10, characterized in that the number of the cross bars (310) is at least two and the mounting base (301) is a mounting bar.