CN115489553A - Fireproof partition wall, railway vehicle cab partition wall and railway vehicle - Google Patents

Abstract

The invention relates to the technical field of railway vehicles, in particular to a fireproof partition wall, a railway vehicle cab partition wall and a railway vehicle, which comprise a partition wall main body framework, wherein an inner side fireproof structure is arranged on the inner side wall of the partition wall main body framework, an outer side fireproof structure is arranged on the outer side wall of the partition wall main body framework, and the inner side fireproof structure and the outer side fireproof structure are used for the fire prevention of the inner side and the outer side of the partition wall main body framework; the outer side fireproof structure comprises a first ceramic fiber layer, a first fireproof phenolic aldehyde plate layer and a first steel plate layer, wherein the first ceramic fiber layer, the first fireproof phenolic aldehyde plate layer and the first steel plate layer are sequentially arranged on the outer side wall of the dividing wall main body framework. This application sets up inboard fire resistive construction and outside fire resistive construction respectively through inboard, the outside at next door main part framework for the next door satisfies inside and outside two-sided fire prevention, improves fire behavior.

Description

Fireproof partition wall, railway vehicle cab partition wall and railway vehicle

Technical Field

The invention relates to the technical field of railway vehicles, in particular to a fireproof partition wall, a railway vehicle cab partition wall and a railway vehicle.

Background

The vertical plates for dividing different areas in the railway vehicle are called as partition walls, and the existing partition walls of the railway vehicle only have one side to meet the requirement of fire prevention and have poor fire prevention performance.

Disclosure of Invention

The invention aims to provide a fireproof partition wall, which can meet the requirement of double-sided fireproof of the partition wall and improve the fireproof performance.

The invention also aims to provide the partition wall of the cab of the railway vehicle, which can ensure that the partition wall of the cab meets the requirement of fire prevention of the inner side and the outer side, and improves the fire prevention performance.

Still another object of the present invention is to provide a railway vehicle which can make the partition wall of the cab meet the requirement of double-sided fire protection inside and outside, and improve the fire protection performance.

The technical scheme of the invention is realized as follows:

a fireproof partition wall comprises a partition wall main body framework, wherein an inner side fireproof structure is arranged on the inner side wall of the partition wall main body framework, an outer side fireproof structure is arranged on the outer side wall of the partition wall main body framework, and the inner side fireproof structure and the outer side fireproof structure are used for inner and outer double-sided fireproof of the partition wall main body framework;

the outer side fireproof structure comprises a first ceramic fiber layer, a first fireproof phenolic aldehyde plate layer and a first steel plate layer, wherein the first ceramic fiber layer, the first fireproof phenolic aldehyde plate layer and the first steel plate layer are sequentially arranged on the outer side wall of the dividing wall main body framework.

Further, the inner side fireproof structure comprises a second fireproof phenolic aldehyde plate layer and a second steel plate layer, and the second fireproof phenolic aldehyde plate layer and the second steel plate layer are sequentially arranged on the inner side wall of the dividing wall main body framework.

Furthermore, the dividing wall main framework comprises an inner side framework and an outer side framework which are connected, and a second ceramic fiber layer is arranged at the joint of the inner side framework and the outer side framework.

The partition wall of the cab of the railway vehicle is made of the fireproof partition wall and comprises a left partition wall, a right partition wall and a door frame assembly between the left partition wall and the right partition wall.

Further, the door frame assembly comprises a door frame and a partition wall door, the partition wall door is made of the fireproof partition wall, a groove is formed in the top of the partition wall door, the groove penetrates through the top surface of the partition wall door along the length direction of the top surface of the partition wall door, a first fireproof expansion adhesive tape is arranged in the groove, and the first fireproof expansion adhesive tape can be used for sealing between the top surface of the partition wall door and the inner top surface of the door frame after being heated and expanded.

Furthermore, the left dividing wall and the right dividing wall are of symmetrical structures, ventilation openings are formed in the left dividing wall and the right dividing wall, and fire-proof grids are arranged in the ventilation openings.

Further, a plurality of ventilation holes have on the fire prevention grid, all the inner wall in ventilation hole all is provided with second fire prevention inflation adhesive tape, second fire prevention inflation adhesive tape after being heated can with the ventilation hole shutoff.

Further, the fireproof grille comprises a grille baffle plate frame, the grille baffle plate frame surrounds the outer side of the fireproof grille, and the grille baffle plate frame is used for fixedly installing the fireproof grille in the ventilation opening.

A rail vehicle comprises the cab partition wall of the rail vehicle.

Compared with the prior art, the invention has the beneficial effects that:

the utility model provides a fire prevention next door sets up inboard fire resistive construction and outside fire resistive construction respectively in the inboard of next door main part framework, the outside through on the basis of next door main part framework for the next door satisfies inside and outside two-sided fire prevention, improves fire behavior.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

FIG. 1 is a schematic sectional view showing a fire barrier according to example 1 of the present invention;

fig. 2 is a schematic view of the overall structure of the partition wall of the cab of the railway vehicle according to embodiment 2 of the invention;

FIG. 3 isbase:Sub>A schematic view of the present invention taken along line A-A of FIG. 2;

FIG. 4 is a schematic view of the present invention in a partial cross-section at B-B of FIG. 2;

fig. 5 is a schematic cross-sectional structure view of a third steel deck in embodiment 2 of the present invention.

In the figure: (description of reference numerals)

1-left partition wall; 2-right partition wall; 3-partition ceiling; 4-a door frame assembly;

5-a first steel deck; 6-a first fire proof phenolic aldehyde board layer; 7-a first ceramic fiber layer;

8-outer skeleton; 9-a second steel deck; 10-a second fastener;

11-a second fire proof phenolic aldehyde slab layer; 12-an inner skeleton;

13-a first fire-resistant intumescent strip; 14-a first fastener;

15-fireproof expansion glue; 16-a second ceramic fiber layer;

17-a fire protection grid; 18-a grille shutter frame; 19-a separator frame;

20-a third steel deck; 21-grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, 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 some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or the orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only used for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal", "vertical", "overhang" and the like do not imply that the components are required to be absolutely horizontal or overhang, but may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the invention are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

Example 1

The vertical plates for dividing different areas in the railway vehicle are called as partition walls, and the partition walls of the existing railway vehicle only have one side to meet the requirement of fire prevention and have poor fire prevention performance.

As shown in fig. 1, the present embodiment provides a fire-proof partition wall, which includes a partition wall main structure, wherein an inner side fire-proof structure is disposed on an inner side wall of the partition wall main structure, an outer side fire-proof structure is disposed on an outer side wall of the partition wall main structure, and the inner side fire-proof structure and the outer side fire-proof structure are used for fire-proof on inner and outer sides of the partition wall main structure.

This application sets up inboard fire protection machanism and outside fire protection machanism respectively through the inboard and the outside at next door main part framework, can prevent fires to the two-sided of next door main part framework, makes the two-sided heat-proof quality and the integrality of satisfying of next door, improves the fire prevention effect.

Specifically, in this embodiment, the outer fireproof structure includes a first ceramic fiber layer 7, a first fireproof phenolic aldehyde plate layer 6 and a first steel plate layer 5, and the first ceramic fiber layer 7, the first fireproof phenolic aldehyde plate layer 6 and the first steel plate layer 5 are sequentially disposed on the outer side wall of the partition wall main framework.

In this embodiment, the inner fireproof structure includes a second fireproof phenolic aldehyde slab layer 11 and a second steel slab layer 9, and the second fireproof phenolic aldehyde slab layer 11 and the second steel slab layer 9 are sequentially disposed on the inner side wall of the partition wall main framework.

In the embodiment, the partition wall main framework comprises an inner framework 12 and an outer framework 8 which are connected, a second ceramic fiber layer 16 is arranged at the joint of the inner framework 12 and the outer framework 8, and the second ceramic fiber layer 16 can separate the outer framework 8 from the inner framework 12 to prevent heat conduction.

In this embodiment, the inner frame 12, the outer frame 8, the first steel deck 5, and the second steel deck 9 are all made of stainless steel.

When fire is exposed outside the fire-proof partition wall: the first steel plate layer 5 made of stainless steel can ensure the integrity of the partition wall and ensure that the partition wall is not burnt through for a long time; the first fireproof phenolic aldehyde board layer 6 not only plays a role in low-temperature heat insulation, but also can ensure the surface flatness of the partition wall; the first ceramic fiber layer 7 can block high-temperature heat, and ensure that the temperature of the cab meets the requirement of fire-proof standard; the outer frame 8 made of stainless steel can ensure the rigidity of the partition wall itself.

When fire is exposed on the inner side of the fire-proof partition wall: the second steel plate layer 9 made of stainless steel can ensure the integrity of the partition wall and ensure that the partition wall is not burnt through for a long time. The second fireproof phenolic aldehyde plate layer 11 not only plays a role in low-temperature heat insulation, but also can ensure the surface flatness of the partition wall; the inner framework 12 made of stainless steel can ensure the rigidity of the partition wall; the first fireproof expansion rubber strip 13 can block the gap between the partition wall door and the door frame after being heated and expanded.

The dividing wall structure of this application is general, can improve design efficiency, and the standardization and the modularization of reinforcing design satisfy multiple fire prevention standard requirement simultaneously.

Example 2

Vertical plates for dividing different areas in the railway vehicle are called as partition walls, and the existing partition walls of the cab of the railway vehicle only meet fire protection on one side and have poor fire protection performance; but also different fire standards all correspond different next door structure fire-resistant requirements to embodied the importance of next door structure fire prevention, nevertheless different fire standards are different to next door structure fire prevention specification because of, lead to need consume a large amount of manpower and materials in the next door design stage and redesign next door structure and carry out and verify repeatedly and the inspection, thereby influence the design production progress.

In this respect, we provide a solution in this embodiment to solve this problem, and refer to fig. 2-5, as follows:

as shown in fig. 2, the present embodiment provides a partition wall of a cab of a railway vehicle, which is made of the fire partition wall in embodiment 1, and comprises a left partition wall 1 at the left side portion, a right partition wall 2 at the right side portion, a door frame assembly 4 at the middle portion, and a partition wall top plate 3 at the top portion, wherein the door frame assembly 4 is located between the left partition wall 1 and the right partition wall 2, and the left partition wall 1, the right partition wall 2, the door frame assembly 4, and the partition wall top plate 3 are all made of fire partition walls, and are spliced to form the partition wall of the cab of the present application. In designing, the fire partition in example 1 is used as a partition plate which is used as a raw material for manufacturing the partition wall of the cab of the railway vehicle in this example, so that the partition wall of the cab can be manufactured. When the manufactured cab partition wall is installed in a railway vehicle, the inner side of the fireproof partition wall is positioned at one side deviated to a cab, and the outer side of the fireproof partition wall is positioned at one side deviated to a passenger compartment.

The utility model provides a rail vehicle cab next door is made by the fire prevention next door in embodiment 1, as the next door of cab, can realize two-sided fire prevention, when cab one side catches fire or passenger room one side catches fire, makes the two-sided heat-proof nature and the integrality of satisfying of next door, improves the fire prevention effect.

Specifically, in the present embodiment, the door frame assembly 4 includes a door frame and a partition door, which is also made of a fire partition.

In this embodiment, it should be particularly noted that, in order to satisfy the free access between the driver cab and the passenger compartment, a partition door is arranged in the middle of the partition wall of the driver cab, and because the partition door is not fixed and can be pushed away or closed frequently, in order to ensure the fire-proof performance between the top of the partition door and the door frame, a groove 21 is arranged at the top of the partition door, the groove 21 is arranged to penetrate along the length direction of the top surface of the partition door, and a first fire-proof expansion rubber strip 13 is arranged in the groove 21, and the first fire-proof expansion rubber strip 13 can be used for sealing between the top surface of the partition door and the inner top surface of the door frame after being heated and expanded.

Specifically, set up third steel deck 20 at the top of dividing the wall door, third steel deck 20 forms through buckling, and the both ends of third steel deck 20 are respectively with first steel deck 5 and second steel deck 9 sealing connection and surround the top of dividing the wall door and seal, and is the font with the top surface of dividing the wall door after third steel deck 20 combines, and it has fire prevention expansion glue 15 to fill between the inside wall of third steel deck 20 and the top surface of dividing the wall door, and the outside of third steel deck 20 has a recess 21, set up first fire prevention expansion adhesive tape 13 in the recess 21, first fire prevention expansion adhesive tape 13 can be used for after the thermal expansion the whole top surface of dividing the wall door with the sealed between the interior top surface of door frame, can the gap between shutoff dividing the wall door and the door frame.

It should be noted that in the present embodiment, the first fire-resistant expansion glue strip 13 is preferably used as the fire-resistant sealing material, but other fire-resistant sealing materials can be used for the fire-resistant sealing between the partition wall door and the door frame. The top surface of the third steel deck 20 needs to ensure flatness, and the top surface of the first fireproof expansion rubber strip 13 and the top surface of the third steel deck 20 should be in the same plane to ensure the flatness of the top of the partition wall door, so that the partition wall door and the door frame are combined more tightly. Simultaneously, vertical plane degree should also be guaranteed to the both sides face of next door, and can guarantee through outside skeleton 8, inboard skeleton 12, first fire prevention phenolic aldehyde sheet layer 6 and second fire prevention phenolic aldehyde sheet layer 11 that the holistic rigidity of next door and plane degree satisfy design and production requirement completely. In the present embodiment, the plate thickness of each of the first fire-proof phenolic aldehyde plate layer 6 and the second fire-proof phenolic aldehyde plate layer 11 is preferably designed to be 8mm.

It should be noted that, the cross-sectional structure of the third steel deck 20 is as shown in fig. 5, the third steel deck 20 is used to surround the top of the sealed partition door, the third steel deck 20 has two ends, which are a first end and a second end respectively, the first end of the third steel deck 20 is connected with an end of the first steel deck 5 to realize the sealing of the joint, the second end of the third steel deck 20 is connected with an end of the second steel deck 9 to realize the sealing of the joint, and after the first steel deck 5, the second steel deck 9 and the third steel deck 20 are connected in a sealing manner, the sealing protection of the partition door is realized.

In a preferred embodiment of the present embodiment, the first steel deck 5, the second steel deck 9 and the third steel deck 20 are all made of stainless steel and have the same thickness. In the present embodiment, the thicknesses of the first steel deck 5, the second steel deck 9 and the third steel deck 20 are all 1mm.

It should be noted that the third steel deck 20 may be integrated with the first steel deck 5, or the third steel deck 20 may also be integrated with the second steel deck 9, or a part of the third steel deck 20 is integrated with the first steel deck 5, and another part is integrated with the second steel deck 9, and the break of the third steel deck 20 is welded to achieve sealing.

Since the third steel deck 20 is correspondingly installed on the top of the partition door to surround and seal the top of the partition door, after the third steel deck 20 is correspondingly installed, the third steel deck 20 is combined with the top surface of the partition door to form a concave shape, as shown in fig. 3, and in order to install and fasten the third steel deck 20, the first fastening member 14 is designed, and the third steel deck 20 is connected with the top of the partition door through the first fastening member 14, and the first fastening member 14 may preferably be a screw or a bolt.

It should be noted that the second fireproof phenolic aldehyde plate layer 11 and the second steel plate layer 9 in the inner fireproof mechanism are fastened and connected with the inner framework 12 through a second fastener 10, and the second fastener 10 is preferably a screw or a bolt.

Left next door 1 and the right next door 2 of cab are symmetrical structure, all be provided with the vent on left next door 1 and right next door 2, the vent symmetry sets up and sets up in the lower part of cab next door, the vent is used for guaranteeing the ventilation in the cab, for guarantee the fire prevention effect of vent department simultaneously, installation fire prevention grid 17 in the vent, fire prevention grid 17 plays the ventilation effect when the vehicle normal operating, fire prevention grid 17 is heated inflation shutoff space when being heated, play fire-retardant wall burning things which may cause a fire disaster effect.

Specifically, have a plurality of ventilation holes on the fire prevention grid 17, the inner wall in all ventilation holes all is provided with second fire prevention inflation adhesive tape (not shown in the figure), and second fire prevention inflation adhesive tape can realize sealing with the ventilation hole shutoff after being heated, and then plays the effect of fire prevention.

In order to facilitate the fixed installation of the fire protection grate 17, a grate baffle frame 18 is designed, the grate baffle frame 18 is correspondingly arranged on the periphery of the fire protection grate 17, and the fire protection grate 17 is fixedly installed in the ventilation opening through the grate baffle frame 18.

As shown in fig. 4, the present application further provides a partition frame 19, the partition frame 19 is disposed between the grille shutter frame 18 and the inner wall of the ventilation opening, and the partition frame 19 plays a role of blocking, so as to block the fire-proof grille 17 and the grille shutter frame 18 from directly contacting with the partition wall main structure to form a blocking layer therebetween.

The utility model provides a rail vehicle cab next door has two-sided fire prevention function, specifically as follows:

when the passenger compartment side is on fire: the first steel plate layer 5 made of stainless steel can ensure the integrity of the partition wall and ensure that the partition wall is not burnt through for a long time; the first fireproof phenolic aldehyde plate layer 6 not only plays a role in low-temperature heat insulation, but also can ensure the surface flatness of the partition wall; the first ceramic fiber layer 7 can block high-temperature heat, and ensure that the temperature of the cab meets the requirement of fire-proof standard; the outer frame 8 made of stainless steel can ensure the rigidity of the partition wall itself.

When the cab side is on fire: the second steel plate layer 9 made of stainless steel can ensure the integrity of the partition wall, and the partition wall is prevented from being burnt through for a long time. The second fireproof phenolic aldehyde plate layer 11 not only plays a role in low-temperature heat insulation, but also can ensure the surface flatness of the partition wall; the inner frame 12 made of stainless steel can ensure the rigidity of the partition wall; the first fireproof expansion rubber strip 13 can seal the gap between the partition wall door and the door frame after being heated and expanded.

The utility model provides a railway vehicle cab next door not only can satisfy conventional unilateral 30 minutes structure fire prevention, and the two-sided heat-proof quality and integrality of all will satisfying of next door, through two-sided fire prevention, the fire prevention function of cab next door has better been improved, the fire prevention effect is improved, and the inside and outside two-sided homoenergetic of this next door structure can satisfy different fire prevention standards and realize generally, for example can satisfy different fire prevention structure requirements such AS EN45545, BS6853, NFPA130, AS 7529.3. Compared with the prior art, this application need not consume a large amount of manpower and materials and redesign next door structure and carry out and verify repeatedly and the inspection when next door design phase to the design of this application has greatly shortened next door design cycle owing to can be general, has reduced design cost.

It can be known through the comparison that, the cab partition wall fireproof structure in the prior art only meets the fireproof requirement on one side, and the partition wall structures designed according to different fireproof standards are different, so that the design period and the verification time are long, and the design cost is increased.

And the dividing wall structure of this application is general, can improve design efficiency, and the standardization and the modularization of reinforcing design satisfy multiple fire prevention standard requirement simultaneously.

Example 3

This embodiment provides a rail vehicle, including the rail vehicle cab next door in embodiment 2, can realize the two-sided fire prevention of cab next door, improve the fire prevention effect, can satisfy multiple fire prevention standard and realize generally, compare in prior art, when next door design phase, need not consume a large amount of manpower and materials and redesign next door structure and verify and inspect repeatedly, thereby the design that this application was owing to can be general and greatly shortened next door design cycle, design cost has been reduced.

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

Moreover, those of skill in the art will appreciate that while some embodiments herein include some features included in other embodiments, not others, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the claims above, any of the claimed embodiments may be used in any combination. The information disclosed in this background section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A fireproof partition wall is characterized by comprising a partition wall main body framework, wherein an inner side fireproof structure is arranged on the inner side wall of the partition wall main body framework, an outer side fireproof structure is arranged on the outer side wall of the partition wall main body framework, and the inner side fireproof structure and the outer side fireproof structure are used for fireproof on the inner side and the outer side of the partition wall main body framework;

the outer side fireproof structure comprises a first ceramic fiber layer (7), a first fireproof phenolic plate layer (6) and a first steel plate layer (5), wherein the first ceramic fiber layer (7), the first fireproof phenolic plate layer (6) and the first steel plate layer (5) are sequentially arranged on the outer side wall of the dividing wall main body framework.

2. A fire partition according to claim 1, characterised in that the inner fire protection structure comprises a second fire protection phenolic slab layer (11) and a second steel slab layer (9), the inner side wall of the partition body frame being provided with the second fire protection phenolic slab layer (11) and the second steel slab layer (9) in this order.

3. Fire partition according to claim 1, characterised in that the partition body frame comprises an inner frame (12) and an outer frame (8) connected, and that the connection of the inner frame (12) and the outer frame (8) is provided with a second layer (16) of ceramic fibres.

4. A rail vehicle cab partition based on a fire partition according to any one of claims 1-3, characterized by comprising a left partition (1), a right partition (2) and a door frame assembly (4) between the left partition (1) and the right partition (2).

5. The rail vehicle cab partition wall according to claim 4, wherein the door frame assembly (4) comprises a door frame and a partition door, the partition door is made of the fireproof partition wall, a groove (21) is formed in the top of the partition door, the groove (21) is arranged to penetrate along the length direction of the top surface of the partition door, a first fireproof expansion rubber strip (13) is arranged in the groove (21), and the first fireproof expansion rubber strip (13) can be used for sealing between the top surface of the partition door and the inner top surface of the door frame after being expanded by heat.

6. A rail vehicle cab partition as claimed in claim 4, wherein the left partition wall (1) and the right partition wall (2) are of a symmetrical structure, and the left partition wall (1) and the right partition wall (2) are each provided with a vent in which a fire grill (17) is provided.

7. A partition wall in a cab of a railway vehicle as claimed in claim 6, wherein the fire protection grate (17) is provided with a plurality of vent holes, and the inner walls of all the vent holes are provided with a second fire-resistant expansion rubber strip which can seal off the vent holes after being heated.

8. A rail vehicle cab partition as claimed in claim 7, further comprising a grille shutter frame (18), the grille shutter frame (18) surrounding the outside of the fire grille (17), the grille shutter frame (18) being for fixedly mounting the fire grille (17) within the ventilation opening.

9. The rail vehicle cab partition as claimed in claim 8, further comprising a partition frame (19), the partition frame (19) being disposed correspondingly between the grille shutter frame (18) and an inner wall of the vent.

10. A rail vehicle, characterized in that it comprises the rail vehicle cab partition of any one of claims 4-9.

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