End wall assembly of fireproof structure

Abstract

In order to effectively isolate a cab from a passenger room when a fire disaster happens to a railway vehicle, the end wall assembly of the fireproof structure comprises an end wall plate, an end wall door, a door frame, a fireproof expansion strip and fireproof filler, the end wall plate is matched with the outline of the cross section of a vehicle body, and the end wall plate is fixed to the vehicle body; an opening matched with the end wall door in shape is formed in the end wall plate, and door frames are arranged on the top and the two sides of the opening. A threshold is arranged below the end wall door; a groove is formed in the side face, close to the end wall door, of the door frame, and a fireproof expansion strip is arranged in the groove. A cavity is formed between a door panel of the end wall door and the framework, and fireproof filler is arranged in the cavity. The bottom of the door panel is bent towards the door bottom surface to form an expansion strip mounting plate, and the expansion strip mounting plate is tightly attached to the door bottom surface; the fireproof door has the advantages that the fireproof door can effectively avoid fire spreading, prevent serious deterioration of accidents and reduce loss and casualties after a railway vehicle is on fire.

Description

Technical Field

[0001] The utility model relates to a rail vehicle, in particular to an end wall assembly of a fireproof structure of a rail vehicle. Background Art

[0002] An end wall assembly is provided between the driver's cab and the passenger compartment of a rail vehicle, which plays a role in isolating the two spaces. An end wall door is provided on the end wall to ensure that the crew can pass through. There are many electrical devices and components in the driver's cab. Once a fire breaks out, the end wall cannot play a role in isolating the fire, and the flames will enter the passenger compartment along the gap of the end wall door. Summary of the Invention

[0003] To solve the above problems, the utility model provides an end wall assembly with a fireproof structure that can completely isolate the spread of fire.

[0004] The end wall assembly of the fireproof structure of the utility model includes an end wall panel, an end wall door, a door frame, a fireproof expansion strip, and a fireproof filler. The end wall panel is adapted to the cross-sectional contour of the vehicle body and is fixed on the vehicle body; an opening adapted to the outer shape of the end wall door is provided on the end wall panel, and door frames are provided at the top and both sides of the opening; a sill is provided below the end wall door; a groove is provided on the side of the door frame close to the end wall door, and a fireproof expansion strip is provided in the groove; a cavity is provided between the door panel and the skeleton of the end wall door, and a fireproof filler is provided in the cavity; the door panel is bent towards the door bottom surface at its bottom to form an expansion strip mounting plate, and the expansion strip mounting plate is closely attached to the door bottom surface; a groove is formed between the bottom surface of the door panel and the expansion strip mounting plate, and a fireproof expansion strip is provided in the groove.

[0005] Further, the fireproof expansion strip is bonded to the door frame and the expansion strip mounting plate through structural adhesive.

[0006] Further, the fireproof expansion strip is also fixedly connected to the door frame and the expansion strip mounting plate through countersunk head screws or rivets, so as to prevent deviation.

[0007] Further, the material of the fireproof expansion strip is graphite.

[0008] Further, a cavity is provided between the panel and the skeleton of the door frame, and a fireproof filler is provided in the cavity.

[0009] Further, the material of the fireproof filler is phenolic resin.

[0010] Further, the panel materials of the end wall door and the end wall panel are Q235B steel plates.

[0011] Further, there are three end wall doors, which are distributed left, middle, and right on the end wall panel.

[0012] The end wall component of the fireproof structure described in the present utility model can completely isolate the driver's cab and the passenger compartment after a fire in the rail vehicle, effectively prevent the spread of fire, prevent the serious deterioration of the accident after the fire, reduce casualties, and play a good role in the safe transportation of the rail vehicle. Description of the Drawings

[0013] Figure 1 It is a schematic diagram of the end wall component of the fireproof structure described in the present utility model.

[0014] Figure 2 For Figure 1 It is a cross-sectional view between the end wall door and the door frame in the middle.

[0015] Figure 3 For Figure 1 It is a cross-sectional view between the end wall door and the door sill in the middle.

[0016] The markings in the figure are:

[0017] 1 - End wall panel; 2 - End wall door; 3 - Door frame; 4 - Fireproof expansion strip; 5 - Structural adhesive layer; 6 - Countersunk head screw; 7 - Door sill; 8 - Fireproof filler; 9 - Door panel; 10 - Expansion strip mounting plate. Detailed Description of the Preferred Embodiment

[0018] The following Figures 1 to 3 will describe in detail the end wall component of the fireproof structure described in the present utility model.

[0019] The end wall component of the fireproof structure described in the present utility model includes an end wall panel 1, an end wall door 2, a door frame 3, a fireproof expansion strip 4, and a fireproof filler 8.

[0020] As Figure 1 shown, the end wall panel 1 is adapted to the contour of the vehicle body cross-section and is fixed on the vehicle body; an opening adapted to the outer shape of the end wall door 2 is provided on the end wall panel 1, and door frames 3 are provided at the top and both sides of the opening.

[0021] As Figure 2 shown, a panel is provided on the outer side of the door frame 3, the material of which is Q235B steel plate. There is a cavity between the panel and the framework, and a fireproof filler 8 is provided in this cavity. The material of the fireproof filler 8 is phenolic resin. A groove is provided on the side of the door frame 3 close to the end wall door 2, and a fireproof expansion strip 4 is provided in the groove. The material of the fireproof expansion strip 4 is graphite. The fireproof expansion strip 4 and the door frame 3 are bonded through a structural adhesive layer 5, and they are further fixedly connected through countersunk head screws 6.

[0022] As Figure 3As shown in the figure, a sill 7 is provided below the end wall door 2, and the sill 7 is fixedly connected to the floor surface. A door panel 9 is provided outside the end wall door 2, and the door panel 9 is made of Q235B steel plate. A cavity is provided between the door panel 9 and the skeleton, and a fireproof filler 8 is provided in the cavity. The door panel 9 is bent towards the bottom surface of the door at its bottom to form an expansion strip mounting plate 10, and the expansion strip mounting plate 10 is closely attached to the bottom surface of the door; a groove is formed between the bottom surface of the door panel 9 and the expansion strip mounting plate 10, and a fireproof expansion strip 4 is provided in the groove; the fireproof expansion strip 4 and the expansion strip mounting plate 10 are bonded through a structural adhesive layer 5, and the two are further fixedly connected through countersunk head screws 6.

[0023] The end wall composition of the fireproof structure of the present utility model can play a complete isolation role for the driver's cab and the passenger compartment after a fire in the rail vehicle, effectively avoid the spread of fire, prevent the serious deterioration of the accident after the fire, reduce casualties, and play a good role in the safe transportation of the rail vehicle.

[0024] The above is only the preferred embodiment of the present utility model, and it is not a limitation to the present utility model in other forms. Any person skilled in the art may use the technical content disclosed above to make changes or modifications into equivalent embodiments with equivalent changes. However, any simple modification, equivalent change and modification made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution content of the present utility model still belong to the protection scope of the technical solution of the present utility model.

Claims

1. An end wall composition of a fireproof structure, characterized in that: It includes an end wall panel, an end wall door, a door frame, a fireproof expansion strip, and a fireproof filler. The end wall panel is adapted to the contour of the cross-section of the vehicle body and is fixed on the vehicle body. An opening adapted to the shape of the end wall door is provided on the end wall panel, and door frames are provided on the top and both sides of the opening. A threshold is provided under the end wall door. A groove is provided on the side of the door frame close to the end wall door, and a fireproof expansion strip is provided in the groove. A cavity is provided between the door panel and the frame of the end wall door, and a fireproof filler is provided in the cavity. The door panel is bent at its bottom toward the bottom surface of the door to form an expansion strip mounting plate, and the expansion strip mounting plate is tightly attached to the bottom surface of the door. A groove is formed between the bottom surface of the door panel and the expansion strip mounting plate, and a fireproof expansion strip is provided in the groove.

2. The end wall composition of the fireproof structure according to claim 1, characterized in that: A cavity is arranged between the panel and the frame of the door frame, and a fireproof filler is arranged in the cavity.

3. The end wall composition of the fireproof structure according to claim 2 is characterized in that: The fireproof expansion strip and the door frame as well as the fireproof expansion strip and the expansion strip mounting plate are bonded together by structural adhesive.

4. The end wall composition of the fireproof structure according to claim 3 is characterized by: The fireproof expansion strip and the door frame as well as the fireproof expansion strip and the expansion strip mounting plate are fixedly connected by countersunk screws or rivets.

5. The end wall composition of the fireproof structure according to any one of claims 1 to 4, characterized in that: The material of the fireproof expansion strip is graphite.

6. The end wall composition of the fireproof structure according to any one of claims 1 to 4, characterized in that: The material of the fireproof filler is phenolic resin.

7. The end wall composition of the fireproof structure according to any one of claims 1 to 4, characterized in that: The door panel of the end wall door and the panel of the end wall panel are made of Q235B steel plate.

8. The end wall composition of the fireproof structure according to any one of claims 1 to 4, characterized in that: There are three end wall doors, which are distributed on the end wall board at the left, middle and right positions.

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