CN217649441U - High-low floor transition structure, underframe and railway vehicle - Google Patents
High-low floor transition structure, underframe and railway vehicle Download PDFInfo
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- CN217649441U CN217649441U CN202221651611.9U CN202221651611U CN217649441U CN 217649441 U CN217649441 U CN 217649441U CN 202221651611 U CN202221651611 U CN 202221651611U CN 217649441 U CN217649441 U CN 217649441U
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- 230000007704 transition Effects 0.000 title claims abstract description 94
- 230000003014 reinforcing effect Effects 0.000 claims description 21
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- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
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- 238000010168 coupling process Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
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Abstract
The utility model relates to a rail vehicle technical field provides a height floor transition structure, chassis and rail vehicle. The high-low floor transition structure comprises an upper transition structure and a lower transition structure, wherein the upper transition structure comprises an upper horizontal section and an upper inclined section, the upper horizontal section is used for being connected with the end high floor, and the section thickness of the upper horizontal section is larger than that of the upper inclined section; the lower part transition structure comprises a lower inclined section and a lower horizontal section, the lower inclined section is connected with the upper inclined section, the lower horizontal section is used for being connected with a middle low floor, the section thickness of the lower inclined section is the same as that of the upper inclined section, and the section thickness of the lower inclined section is larger than that of the lower horizontal section. The utility model provides a high-low floor transition structure can save space under the car, and furthest satisfies under the car equipment installation space demand.
Description
Technical Field
The utility model relates to a rail vehicle technical field especially relates to a height floor transition structure, chassis and rail vehicle.
Background
At present, the rail vehicle usually adopts transition structure to realize the transitional coupling between car end high floor and the low floor in middle part to satisfy the passing requirement on the high floor of passenger room personnel in the car. However, the transition structure in the prior art is complex in structure, and although the load transmission requirement of the transition position of the high floor at the vehicle end and the low floor at the middle part is met, the transition structure occupies a larger space under the vehicle, so that the requirement of installation space of equipment under the vehicle is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model provides a height floor transition structure can save space under the car, and furthest satisfies equipment installation space demand under the car.
The embodiment of the utility model provides a height floor transition structure, include:
the upper transition structure comprises an upper horizontal section and an upper inclined section which are connected, the upper horizontal section is used for being connected with a high floor at the end part, and the section thickness of the upper horizontal section is larger than that of the upper inclined section;
the lower transition structure comprises a lower inclined section and a lower horizontal section which are connected, the lower inclined section is connected with the upper inclined section, the lower horizontal section is used for being connected with a middle low floor, the section thickness of the lower inclined section is the same as that of the upper inclined section, and the section thickness of the lower inclined section is larger than that of the lower horizontal section.
According to the utility model provides a pair of high-low floor transition structure, the upper portion horizontal segment with mutual overlap joint between the tip high floor, just the section thickness of upper portion horizontal segment is greater than the section thickness on tip high floor.
According to the embodiment of the utility model provides a high-low floor transition structure, upper portion horizontal segment includes first horizontal panel, second horizontal panel and first vertical end plate, enclose between first horizontal panel, the second horizontal panel and the first vertical end plate and close and form first die cavity, be equipped with a plurality of first deep floor in the first die cavity;
and one side of the first vertical end plate, which is back to the upper inclined section, is provided with a lapping dragging rib, and the end part high floor is lapped with the upper horizontal section through the lapping dragging rib.
According to the transition structure of the high-low floor provided by the embodiment of the utility model, two opposite sides of the upper transition structure are respectively connected with two boundary beams correspondingly;
first reinforcing plates are connected between the upper horizontal section and each edge beam respectively, the first reinforcing plates are arranged on one side, back to the upper inclined section, of the first vertical end plate, and the first reinforcing plates and the second horizontal panel are located on the same horizontal plane.
According to the utility model provides a pair of high-low floor transition structure, the lower part horizontal segment with peg graft each other between the low floor of middle part, just the section thickness of lower part horizontal segment with the section thickness on low floor of middle part is the same.
According to the transition structure of the high-low floor provided by the embodiment of the utility model, the lower horizontal section comprises a third horizontal panel, a second vertical end plate and a connection inclined plate, and a second cavity is formed by the enclosure among the third horizontal panel, the second vertical end plate and the connection inclined plate;
and one side of the second vertical end plate, which is back to the lower inclined section, is provided with a socket, and the middle low floor is spliced with the lower horizontal section through the socket.
According to the transition structure of the high-low floor provided by the embodiment of the utility model, two opposite sides of the lower transition structure are respectively connected with two boundary beams correspondingly;
and second reinforcing plates are respectively connected between the lower horizontal section and each edge beam, are arranged at one end of the third horizontal panel far away from the inserting port, and are positioned on the same horizontal plane.
According to the embodiment of the utility model provides a high-low floor transition structure, the upper portion slope section includes first slope panel, second slope panel and first connection end plate, enclose between first slope panel, the second slope panel and the first connection end plate and close and form the third die cavity, be equipped with a plurality of second deep floor in the third die cavity; a first interface is arranged on one side, facing the lower inclined section, of the first connection end plate;
the lower inclined section comprises a third inclined panel, a fourth inclined panel and a second connecting end plate, a fourth cavity is formed by the third inclined panel, the fourth inclined panel and the second connecting end plate in a surrounding manner, and a plurality of third reinforcing rib plates are arranged in the fourth cavity; and a second interface matched with the first interface is arranged on one side, facing the upper inclined section, of the second connecting end plate, and the first interface is welded with the second interface.
The embodiment of the utility model provides a still provide an underframe, the height floor transition structure including above-mentioned embodiment.
The embodiment of the utility model provides a still provide a rail vehicle, including the height floor transition structure of above-mentioned embodiment, or including the chassis of above-mentioned embodiment.
The embodiment of the utility model provides a high-low floor transition structure, which is characterized in that the upper transition structure is arranged into an upper horizontal section and an upper inclined section which are connected with each other, wherein the upper horizontal section is used for being connected with a high floor at the end part; the lower transition structure is provided with a lower inclined section and a lower horizontal section which are connected, wherein the lower inclined section is used for being connected with the upper inclined section, and the lower horizontal section is used for being connected with the middle low floor; the section thickness that makes the upper portion horizontal segment is greater than the section thickness of upper portion slope section, makes the section thickness of lower part slope section the same with the section thickness of upper portion slope section, makes the section thickness of lower part slope section be greater than the section thickness of lower part horizontal segment to the section thickness that makes height floor transition structure reduces from upper portion horizontal segment, slope section to lower part horizontal segment in proper order, thereby under the prerequisite of ensureing structural strength, furthest's space under the saving car. Therefore, the embodiment of the utility model provides a high-low floor transition structure has realized the connection transition function between high-low floor, has solved the demand that passes through of passenger room personnel's high-low floor in the car, not only can satisfy the required structural strength demand of transition between high-low floor, can provide the biggest installation space for equipment under the car moreover.
The embodiment of the utility model provides an underframe, including the high-low floor transition structure of above-mentioned embodiment. Because this chassis is provided with the height floor transition structure of above-mentioned embodiment for this chassis has the whole advantages of the height floor transition structure of above-mentioned embodiment, and then has improved the performance of this chassis.
The embodiment of the utility model provides a rail vehicle, including the high low floor transition structure of above-mentioned embodiment, or including the chassis of above-mentioned embodiment. Since the railway vehicle is provided with the high-low floor transition structure of the above embodiment or the underframe of the above embodiment, the railway vehicle has all the advantages of the high-low floor transition structure of the above embodiment or the underframe of the above embodiment, and the service performance of the railway vehicle is further improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to illustrate the technical solutions of the present invention or the prior art more clearly, the drawings used in the following embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic view of a transition structure of a high-low floor provided by the present invention;
fig. 2 is a schematic connection diagram of a high-low floor transition structure provided by the present invention with an end high floor and a middle low floor respectively;
fig. 3 is a first isometric view of the high-low floor transition structure provided by the present invention connected to a boundary beam;
fig. 4 is a second axial mapping diagram of the high-low floor transition structure and the boundary beam connection provided by the present invention.
Reference numerals are as follows:
1: an upper horizontal section; 101: a first horizontal panel; 102: a second horizontal panel; 103: a first vertical end plate; 104: a first reinforcing rib plate; 105: lapping and connecting dragging ribs;
2: an upper inclined section; 201: a first inclined panel; 202: a second inclined panel; 203: a first connection end plate; 204: a second reinforcing rib plate;
3: a lower inclined section; 301: a third inclined panel; 302: a fourth inclined panel; 303: a second connection end plate; 304: a third reinforcing rib plate;
4: a lower horizontal section; 401: a third horizontal panel; 402: a second vertical end plate; 403: connecting an inclined plate; 404: an interface;
5: the end part is high; 501: lap joint of rib plates;
6: a middle low floor; 7: a boundary beam; 8: a first reinforcing plate; 9: a second reinforcing plate.
Detailed Description
To make the objects, technical solutions and advantages of the present invention clearer, the drawings of the present invention are combined to clearly and completely describe the technical solutions of the present invention, and obviously, the described embodiments are 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 efforts belong to the protection scope of the present invention.
Specific embodiments of the transition structure of the high-low floor of the present invention are described below with reference to fig. 1 to 4.
The utility model discloses height floor transition structure, upper portion transition structure and lower part transition structure including interconnect.
Wherein, the upper transition structure comprises an upper horizontal section 1 and an upper inclined section 2 which are connected, and the upper horizontal section 1 is used for being connected with an end high floor 5. The lower transition structure comprises a lower inclined section 3 and a lower horizontal section 4 which are connected, the lower inclined section 3 is connected with the upper inclined section 2, and the lower horizontal section 4 is used for being connected with a middle low floor 6. The structural form and the connection mode of the upper transition structure and the lower transition structure can realize the connection transition function between high and low floors, and the passing requirement of the high and low floors of passenger room personnel in the vehicle is met.
The thickness of the cross section of the upper horizontal section 1 is larger than that of the cross section of the upper inclined section 2, the thickness of the cross section of the upper inclined section 2 is the same as that of the cross section of the lower inclined section 3, and the thickness of the cross section of the lower inclined section 3 is larger than that of the cross section of the lower horizontal section 4. That is, as shown in fig. 1 and 2, the upper horizontal section 1 is located at the upper portion of the high-low floor transition structure, the middle inclined portion of the high-low floor transition structure is formed between the upper inclined section 2 and the lower inclined section 3, and the lower horizontal section 4 is located at the lower portion of the high-low floor transition structure, so that the thickness of the section of the high-low floor transition structure is reduced from the upper portion to the inclined portion to the lower portion, thereby maximally saving the space under the vehicle while ensuring the structural strength.
Therefore, the utility model discloses height floor transition structure not only can satisfy the required structural strength demand of transition between the height floor, can provide the biggest installation space for the equipment under the car moreover.
In some embodiments of the present invention, the upper horizontal section 1 and the end high floor 5 are overlapped, and the section thickness of the upper horizontal section 1 is greater than that of the end high floor 5. This kind of structural style not only can satisfy between upper portion horizontal segment 1 and the tip high floor 5 assembly reliability, can satisfy the structural strength after connecting between upper portion horizontal segment 1 and the tip high floor 5 moreover.
Wherein, the last plane of tip high floor 5 flushes with the last plane of upper portion horizontal segment 1 to realize the smooth transition between tip high floor 5 and the upper portion horizontal segment 1, be convenient for interior passenger room personnel of car to pass through.
Specifically, the upper horizontal segment 1 includes a first horizontal panel 101, a second horizontal panel 102 and a first vertical end plate 103, and a first cavity is formed by enclosing the first horizontal panel 101, the second horizontal panel 102 and the first vertical end plate 103, so that the upper horizontal segment 1 has high structural strength.
Wherein, be equipped with a plurality of first deep floor 104 in the first die cavity to divide the inner space of first die cavity into a plurality of triangle-shaped cavities, thereby increased upper portion horizontal segment 1's structural strength and stability.
Specifically, a lapping dragging rib 105 is arranged on one side of the first vertical end plate 103, which is back to the upper inclined section 2, so that the lower plane of the end high floor 5 can be lapped with the upper horizontal section 1 through the lapping dragging rib 105. Meanwhile, an overlap rib plate 501 is arranged at the upper end of one side of the end high floor 5 facing the upper horizontal section 1, so that the upper plane of the end high floor 5 can be overlapped with the first horizontal panel 101 through the overlap rib plate 501.
The lower plane of the end high floor 5 is welded and fixed with the lap joint tow rib 105, and the lap joint rib plate 501 is welded and fixed with the first horizontal panel 101, so that not only can the connection firmness between the end high floor 5 and the upper horizontal section 1 be ensured, but also the connection sealing performance between the end high floor 5 and the upper horizontal section 1 can be ensured.
In some embodiments of the present invention, the two opposite sides of the upper transition structure are respectively connected to the two side beams 7, so as to realize the reliable assembly of the upper transition structure between the two side beams 7. In order to ensure the connection stability and the sealing performance between the upper transition structure and the edge beam 7, the upper transition structure is welded with the two edge beams 7.
Wherein, be connected with first stiffening plate 8 respectively between upper portion horizontal segment 1 and each boundary beam 7, first stiffening plate 8 sets up in the one side of the upper portion slope section 2 of the dorsad on first vertical end plate 103, and first stiffening plate 8 is in same horizontal plane with second horizontal panel 102. Through setting up first stiffening plate 8, not only can strengthen structural strength, can reduce stress moreover.
In some embodiments of the present invention, the lower horizontal section 4 and the middle low floor 6 are inserted into each other, and the section thickness of the lower horizontal section 4 is the same as that of the middle low floor 6. This kind of structural style not only can satisfy the assembly reliability between lower part horizontal segment 4 and the middle part low floor 6, can satisfy the structural strength after being connected between lower part horizontal segment 4 and the middle part low floor 6 moreover.
Wherein, the last plane of middle part low floor 6 flushes with the last plane of lower part horizontal segment 4 to realize the smooth transition between 6 and the lower part horizontal segment 4 of middle part low floor, the interior passenger room personnel of not only being convenient for pass through, can satisfy the door moreover and locate the requirement with the platform height.
Specifically, the lower horizontal segment 4 includes a third horizontal panel 401, a second vertical end plate 402 and a connection sloping plate 403, wherein a second cavity is defined by the third horizontal panel 401, the second vertical end plate 402 and the connection sloping plate 403, so that the structural strength and stability of the lower horizontal segment 4 are enhanced.
Wherein, a socket 404 is arranged on one side of the second vertical end plate 402 facing away from the lower inclined section 3, so that the middle low floor 6 can be conveniently plugged with the lower horizontal section 4 through the socket 404.
The middle low floor 6 and the insertion port 404 are welded and fixed, so that not only can the firmness of connection between the middle low floor 6 and the lower horizontal section 4 be ensured, but also the sealing performance of connection between the middle low floor 6 and the lower horizontal section 4 can be ensured.
In some embodiments of the present invention, the opposite sides of the lower transition structure are respectively connected to the two side beams 7, so as to realize the reliable assembly of the lower transition structure between the two side beams 7. In order to ensure the connection stability and the sealing performance between the lower transition structure and the edge beam 7, the lower transition structure is welded with the two edge beams 7.
Wherein, be connected with second stiffening plate 9 respectively between lower part horizontal segment 4 and each boundary beam 7, second stiffening plate 9 sets up the one end of keeping away from interface 404 on third horizontal panel 401, and second stiffening plate 9 is in the same horizontal plane with third horizontal panel 401. By providing the second reinforcing plate 9, not only can the structural strength be enhanced, but also the stress can be reduced.
In some embodiments of the present invention, the upper inclined section 2 includes a first inclined panel 201, a second inclined panel 202 and a first connection end plate 203, and a third cavity is formed by the first inclined panel 201, the second inclined panel 202 and the first connection end plate 203, so that the upper inclined section 2 has higher structural strength.
Wherein, a plurality of second deep floor plates 204 are arranged in the third cavity, thereby dividing the inner space of the third cavity into a plurality of triangular cavities, and enhancing the structural strength and stability of the upper inclined section 2.
Specifically, the lower inclined section 3 includes a third inclined panel 301, a fourth inclined panel 302 and a second connecting end plate 303, and a fourth cavity is defined by the third inclined panel 301, the fourth inclined panel 302 and the second connecting end plate 303, so that the lower inclined section 3 has high structural strength.
Wherein, a plurality of third reinforcing rib plates 304 are arranged in the fourth cavity, so that the inner space of the fourth cavity is divided into a plurality of triangular cavities, and the structural strength and stability of the lower inclined section 3 are enhanced.
Wherein, one side towards lower part slope section 3 is equipped with first interface on first connection end plate 203, and one side towards upper part slope section 2 is equipped with the second interface with first interface looks adaptation on second connection end plate 303, welds between first interface and the second interface to ensure the stability of being connected and the leakproofness between upper portion slope section 2 and the lower part slope section 3.
The utility model discloses an in the embodiment, upper portion transition structure and lower part transition structure all adopt aluminium alloy ex-trusions, not only are convenient for produce manufacturing, can alleviate the whole weight of height floor transition structure moreover, reduce cost.
On the other hand, the embodiment of the utility model provides an underframe, including the high-low floor transition structure of above-mentioned embodiment. Because this chassis is provided with the height floor transition structure of above-mentioned embodiment for this chassis has the whole advantages of the height floor transition structure of above-mentioned embodiment, and then has improved the performance of this chassis.
In another aspect, the present invention provides a rail vehicle, including the high-low floor transition structure of the above embodiment, or including the underframe of the above embodiment. Since the railway vehicle is provided with the high-low floor transition structure of the above embodiment or the underframe of the above embodiment, the railway vehicle has all the advantages of the high-low floor transition structure of the above embodiment or the underframe of the above embodiment, and the service performance of the railway vehicle is further improved.
In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description of the embodiments and for simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the embodiments of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the embodiments of the present invention can be understood in specific cases by those skilled in the art.
In embodiments of the invention, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
In the description of the present specification, references to the description of "one embodiment," "some embodiments," "an example," "a specific example," or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
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 it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A high-low floor transition structure, comprising:
the upper transition structure comprises an upper horizontal section and an upper inclined section which are connected, the upper horizontal section is used for being connected with a high floor at the end part, and the section thickness of the upper horizontal section is larger than that of the upper inclined section;
the lower transition structure comprises a lower inclined section and a lower horizontal section which are connected, the lower inclined section is connected with the upper inclined section, the lower horizontal section is used for being connected with a middle low floor, the section thickness of the lower inclined section is the same as that of the upper inclined section, and the section thickness of the lower inclined section is larger than that of the lower horizontal section.
2. The transition structure of high-low floor boards according to claim 1, wherein the upper horizontal section and the end high floor boards are overlapped with each other, and the cross-sectional thickness of the upper horizontal section is larger than that of the end high floor boards.
3. The transition structure of high and low floors according to claim 2, wherein the upper horizontal section comprises a first horizontal panel, a second horizontal panel and a first vertical end plate, a first cavity is formed by the first horizontal panel, the second horizontal panel and the first vertical end plate in a surrounding manner, and a plurality of first reinforcing rib plates are arranged in the first cavity;
one side of the first vertical end plate, which faces away from the upper inclined section, is provided with a lapping dragging rib, and the end high floor is lapped with the upper horizontal section through the lapping dragging rib.
4. The transition structure of high-low floor according to claim 3, wherein two opposite sides of the upper transition structure are respectively connected with two edge beams;
first reinforcing plates are respectively connected between the upper horizontal section and each side beam, the first reinforcing plates are arranged on one side, back to the upper inclined section, of the first vertical end plate, and the first reinforcing plates and the second horizontal panel are located on the same horizontal plane.
5. The transition structure of high and low floors as claimed in claim 1, wherein the lower horizontal section and the middle low floor are inserted into each other, and the cross-sectional thickness of the lower horizontal section is the same as the cross-sectional thickness of the middle low floor.
6. The transition structure for high and low floors of claim 5, wherein the lower horizontal segment comprises a third horizontal panel, a second vertical end plate and a connection sloping plate, and a second cavity is defined by the third horizontal panel, the second vertical end plate and the connection sloping plate;
and one side of the second vertical end plate, which is back to the lower inclined section, is provided with a socket, and the middle low floor is spliced with the lower horizontal section through the socket.
7. The transition structure of high and low floor boards according to claim 6, wherein the two opposite sides of the lower transition structure are respectively connected with two edge beams;
second reinforcing plates are respectively connected between the lower horizontal section and each edge beam, the second reinforcing plates are arranged at one end, far away from the inserting port, of the third horizontal panel, and the second reinforcing plates and the third horizontal panel are located on the same horizontal plane.
8. The high-low floor transition structure according to any one of claims 1 to 7, wherein the upper inclined section comprises a first inclined panel, a second inclined panel and a first connecting end plate, a third cavity is formed by the first inclined panel, the second inclined panel and the first connecting end plate in a surrounding manner, and a plurality of second reinforcing rib plates are arranged in the third cavity; a first interface is arranged on one side, facing the lower inclined section, of the first connection end plate;
the lower inclined section comprises a third inclined panel, a fourth inclined panel and a second connecting end plate, a fourth cavity is formed by enclosing the third inclined panel, the fourth inclined panel and the second connecting end plate, and a plurality of third reinforcing rib plates are arranged in the fourth cavity; and a second interface matched with the first interface is arranged on one side, facing the upper inclined section, of the second connecting end plate, and the first interface is welded with the second interface.
9. An undercarriage, comprising: the transition structure of high-low floor according to any one of claims 1 to 8.
10. A rail vehicle, comprising: the transition structure of high-low floor as claimed in any one of claims 1 to 8, or the base frame as claimed in claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221651611.9U CN217649441U (en) | 2022-06-28 | 2022-06-28 | High-low floor transition structure, underframe and railway vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221651611.9U CN217649441U (en) | 2022-06-28 | 2022-06-28 | High-low floor transition structure, underframe and railway vehicle |
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| Publication Number | Publication Date |
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| CN217649441U true CN217649441U (en) | 2022-10-25 |
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| CN202221651611.9U Active CN217649441U (en) | 2022-06-28 | 2022-06-28 | High-low floor transition structure, underframe and railway vehicle |
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