CN214875170U - Stair for double-deck passenger car - Google Patents
Stair for double-deck passenger car Download PDFInfo
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- CN214875170U CN214875170U CN202121439167.XU CN202121439167U CN214875170U CN 214875170 U CN214875170 U CN 214875170U CN 202121439167 U CN202121439167 U CN 202121439167U CN 214875170 U CN214875170 U CN 214875170U
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- plate
- stair
- stair main
- fixedly connected
- border
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- 238000005452 bending Methods 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 10
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 5
- 239000004917 carbon fiber Substances 0.000 claims description 5
- 239000003365 glass fiber Substances 0.000 claims description 5
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 5
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Abstract
The utility model discloses a stair for double-deck passenger train, including stair main footboard and the right side board and the left side board of stair main footboard both sides difference fixed connection that have a plurality of steps, and bottom plate bottom border is fixed with the bottom fixed plate of L shape, every grade of step bending part of stair main footboard is forward protruding formation triangle-shaped's protruding border respectively, the horizontal part and the protruding border top one side fixed connection of connecting plate, the vertical part of connecting plate and the stair main footboard inside wall fixed connection of protruding border below, make the vertical lateral wall of connecting plate and the protruding border both sides wall form triangle-shaped's cavity structure, the upper fixed plate passes through screw and stair main footboard top horizontal position fixed surface connection, connect the border position that the bent plate covered the upper fixed plate, and connect the border fixed connection of bent plate and upper fixed plate. The utility model discloses not only the bulk strength is high, more accords with lightweight design requirement moreover.
Description
Technical Field
The utility model relates to a stair for double-deck passenger train.
Background
Double-deck passenger train is one of present long-distance passenger traffic's important vehicle, and double-deck passenger train has bilayer structure promptly, and the passenger train of rest can all be taken to upper and lower floor, connects through stair between the upper and lower floor, and original double-deck passenger train is stainless steel sheet metal welded structure with stair structure, and not only weight is big, and its bulk strength is high inadequately moreover, has been difficult to satisfy the demand of lightweight high strength.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model aims at providing a stair for double-deck passenger train.
In order to achieve the above purpose, the technical scheme of the utility model is that: a stair for a double-deck passenger car comprises a stair main pedal with a plurality of steps, and a right side plate and a left side plate which are fixedly connected with two sides of the stair main pedal respectively, wherein the right side plate and the left side plate are fixedly connected with the stair main pedal, the upper end and the lower end of the stair main pedal are fixedly connected with an upper fixing plate and a lower fixing plate respectively, the upper fixing plate is horizontally arranged, the lower fixing plate is vertically arranged, the bottom edge of the lower fixing plate is fixedly provided with an L-shaped bottom fixing plate, the bending part of each step of the stair main pedal is respectively protruded forwards to form a triangular protruded edge, the opening part of each protruded edge is provided with an L-shaped connecting plate, the horizontal part of each connecting plate is fixedly connected with one side of the top of the protruded edge, the vertical part of each connecting plate is fixedly connected with the inner side wall of the stair main pedal below the protruded edge, so that the vertical side wall of each connecting plate and the two side walls of the protruded edge form a triangular cavity structure, the upper fixing plate is fixedly connected with the surface of the horizontal part at the top end of the main stair tread through screws, a connecting bent plate protruding from the main stair tread is arranged at the corner of the step at the top of the main stair tread, the connecting bent plate covers the edge of the upper fixing plate, and the connecting bent plate is fixedly connected with the edge of the upper fixing plate.
Further, the right side board is longer than the left side board, and a plurality of horizontal positions in the outside of left side board are fixedly connected with stair lateral wall connecting plate respectively.
Furthermore, one side of the connecting plate of the side wall of the stair is fixedly connected with the bottom edge of the T-shaped plate, the other side of the bottom edge of the T-shaped plate is fixedly connected with the vertical edge of the T-shaped plate and the bottom surface of the main pedal of the stair.
Furthermore, the main stair tread, the right side plate and the left side plate are made of carbon fiber composite materials, and a plate face made of glass fiber composite materials is paved on the surface of each layer of horizontal treading position of the main stair tread.
The vertical part of the connecting plate is fixedly connected with the inner side wall of the main stair tread below the raised edge, so that the vertical side wall of the connecting plate and the two side walls of the raised edge form a triangular cavity structure, and a powerful triangular stable structure is formed at the main connecting part, thereby not only improving the fixing strength of the bottom of the stair, but also improving the deformation resistance; the connecting bent plate of the bulge and the stair main pedal is arranged at the corner of the step at the top of the stair main pedal, the connecting bent plate covers the edge position of the upper fixing plate, the connecting bent plate is fixedly connected with the edge of the upper fixing plate, the upper fixing plate is clamped by the horizontal part at the upper end of the stair main pedal and the lower surface of the connecting bent plate, the connecting fixed length of the stair main pedal and the upper fixing plate is improved, the upper end of the stair is fixed more firmly, and the tensile drag capacity of the whole stair is improved; in addition, the stair is made of light-weight carbon fiber composite materials and glass fiber composite materials, so that the overall strength is high, and the light-weight design requirements are met.
Drawings
The present invention will now be further described with reference to the accompanying drawings.
Fig. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic side view of the present invention;
FIG. 3 is a schematic side view of the upper end of the present invention;
FIG. 4 is a schematic side view of the lower end of the present invention;
fig. 5 is an enlarged schematic structural view of the connecting plate of the side wall of the staircase according to the present invention.
Detailed Description
As shown in figures 1-5, a stair for a double-deck passenger car comprises a stair main tread 1 with a plurality of steps, a right side plate 2 and a left side plate 3 fixedly connected with two sides of the stair main tread 1 respectively, the right side plate 2 and the left side plate 3 are fixedly connected with the stair main tread 1, an upper fixing plate 4 and a lower fixing plate 5 are fixedly connected with the upper end and the lower end of the stair main tread 1 respectively, the upper fixing plate 4 is horizontally arranged, the lower fixing plate 5 is vertically arranged, an L-shaped bottom fixing plate 6 is fixed on the bottom edge of the lower fixing plate 5, a bending part of each step of the stair main tread 1 protrudes forwards to form a triangular protruding edge 7, an opening part of each protruding edge 7 is provided with an L-shaped connecting plate 8, a horizontal part of the connecting plate 8 is fixedly connected with one side of the top of the protruding edge 7, and a vertical part of the connecting plate 8 is fixedly connected with the inner side wall of the stair main tread 1 below the protruding edge 7, the vertical side wall of the connecting plate 8 and the two side walls of the convex edge 7 form a triangular cavity structure, the upper fixing plate 4 is fixedly connected with the surface of the horizontal part at the top end of the stair main pedal 1 through screws, a convex connecting bent plate 9 of the stair main pedal 1 is arranged at the corner part of the step at the top of the stair main pedal 1, the connecting bent plate 9 covers the edge position of the upper fixing plate 4, and the connecting bent plate 9 is fixedly connected with the edge of the upper fixing plate 4.
The right side plate 2 is longer than the left side plate 3, and a plurality of horizontal positions on the outer side of the left side plate 3 are fixedly connected with stair side wall connecting plates 10 respectively.
One side of the stair side wall connecting plate 10 is fixedly connected with the bottom edge of the T-shaped plate 11, the other side of the bottom edge of the T-shaped plate 11 is fixedly connected with the vertical edge of the T-shaped plate 11 and the bottom surface of the stair main pedal 1.
The stair main pedal 1, the right side plate 2 and the left side plate 3 are made of carbon fiber composite materials, and a plate face made of a layer of glass fiber composite materials is laid on the surface of each layer of horizontal treading position of the stair main pedal 1.
The vertical part of the connecting plate 8 is fixedly connected with the inner side wall of the main stair tread 1 below the raised edge 7, so that the vertical side wall of the connecting plate 8 and the two side walls of the raised edge 7 form a triangular cavity structure, and a strong triangular stable structure is formed at the main connecting part, thereby not only improving the fixing strength of the bottom of the stair, but also improving the deformation resistance; the connecting bent plate 9 of the bulge and the stair main pedal 1 is arranged at the corner of the step at the top of the stair main pedal 1, the connecting bent plate 9 covers the edge position of the upper fixing plate 4, the connecting bent plate 9 is fixedly connected with the edge of the upper fixing plate 4, the upper fixing plate 4 is clamped by the horizontal part at the upper end of the stair main pedal 1 and the lower surface of the connecting bent plate 9, the connecting fixed length of the stair main pedal 1 and the upper fixing plate 4 is improved, the upper end of the stair is fixed more firmly, and the tensile drag capacity of the whole stair is improved; in addition, the stair is made of light-weight carbon fiber composite materials and glass fiber composite materials, so that the overall strength is high, and the light-weight design requirements are met.
The above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention. Any person skilled in the art should also realize that such equivalent changes and modifications can be made without departing from the spirit and principles of the present invention.
Claims (4)
1. The utility model provides a stair for double-deck passenger train which characterized in that: including stair main step (1) and stair main step (1) both sides respectively fixed connection's right side board (2) and left side board (3) that have a plurality of steps, right side board (2) and left side board (3) and stair main step (1) fixed connection, the upper and lower both ends of stair main step (1) are respectively fixedly connected with upper fixed plate (4) and bottom plate (5), upper fixed plate (4) level sets up, bottom plate (5) vertical setting, and bottom plate (5) bottom border is fixed with bottom fixed plate (6) of L shape, every grade of step bending part of stair main step (1) is respectively forward protruding to form triangular protruding border (7), the opening position of every protruding border (7) is provided with connecting plate (8) of L shape, the horizontal part and the protruding border (7) top one side fixed connection of connecting plate (8), the vertical part of connecting plate (8) is fixed with stair main step inside wall (1) below protruding border (7) admittedly The connecting plate is fixedly connected, a triangular cavity structure is formed by the vertical side wall of the connecting plate (8) and two side walls of the protruding edge (7), the upper fixing plate (4) is fixedly connected with the surface of the horizontal part at the top end of the stair main pedal (1) through screws, a connecting bent plate (9) protruding from the stair main pedal (1) is arranged at the corner of the step at the top of the stair main pedal (1), the edge of the upper fixing plate (4) is covered by the connecting bent plate (9), and the connecting bent plate (9) is fixedly connected with the edge of the upper fixing plate (4).
2. The staircase for a double deck passenger vehicle as defined in claim 1, wherein: the right side plate (2) is longer than the left side plate (3), and a plurality of horizontal parts on the outer side of the left side plate (3) are fixedly connected with stair side wall connecting plates (10) respectively.
3. The staircase for a double deck passenger vehicle as defined in claim 2, wherein: one side of the stair side wall connecting plate (10) is fixedly connected with the bottom edge of the T-shaped plate (11), the other side of the bottom edge of the T-shaped plate (11) is fixedly connected with the vertical edge of the T-shaped plate (11) and the bottom surface of the stair main pedal (1).
4. The staircase for a double deck passenger vehicle as defined in claim 1, wherein: the stair main pedal (1), the right side plate (2) and the left side plate (3) are made of carbon fiber composite materials, and a plate face made of a layer of glass fiber composite materials is laid on the surface of each layer of horizontal treading position of the stair main pedal (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121439167.XU CN214875170U (en) | 2021-06-28 | 2021-06-28 | Stair for double-deck passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121439167.XU CN214875170U (en) | 2021-06-28 | 2021-06-28 | Stair for double-deck passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214875170U true CN214875170U (en) | 2021-11-26 |
Family
ID=78930706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121439167.XU Expired - Fee Related CN214875170U (en) | 2021-06-28 | 2021-06-28 | Stair for double-deck passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214875170U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130891A1 (en) * | 2022-01-07 | 2023-07-13 | 中车唐山机车车辆有限公司 | Stair structure for rail train, and rail train |
-
2021
- 2021-06-28 CN CN202121439167.XU patent/CN214875170U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023130891A1 (en) * | 2022-01-07 | 2023-07-13 | 中车唐山机车车辆有限公司 | Stair structure for rail train, and rail train |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |