CN115214737A - Articulated straddle type monorail vehicle underframe - Google Patents
Articulated straddle type monorail vehicle underframe Download PDFInfo
- Publication number
- CN115214737A CN115214737A CN202210952168.7A CN202210952168A CN115214737A CN 115214737 A CN115214737 A CN 115214737A CN 202210952168 A CN202210952168 A CN 202210952168A CN 115214737 A CN115214737 A CN 115214737A
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- China
- Prior art keywords
- underframe
- articulated
- beams
- chassis
- type monorail
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- 229910000975 Carbon steel Inorganic materials 0.000 claims abstract description 4
- 239000010962 carbon steel Substances 0.000 claims abstract description 4
- 239000000463 material Substances 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000006096 absorbing agent Substances 0.000 claims description 4
- 230000035939 shock Effects 0.000 claims description 4
- 230000002146 bilateral effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 abstract description 5
- 229910000838 Al alloy Inorganic materials 0.000 description 2
- 239000000956 alloy Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61F—RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES OR ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING OF RAIL VEHICLES; WHEEL GUARDS, OBSTRUCTION REMOVERS OR THE LIKE FOR RAIL VEHICLES
- B61F1/00—Underframes
- B61F1/08—Details
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The invention relates to an articulated straddle type monorail vehicle underframe which comprises two boundary beams arranged in parallel front and back and two groups of end underframe fixedly welded at two ends of the two boundary beams, wherein the two groups of end underframe are bilaterally symmetrical and form a rectangular square frame structure with the two boundary beams; the top parts of the two groups of end underframe are respectively provided with a group of hinging seats which are bilaterally symmetrical, two underframe longitudinal beams parallel to the edge beams are arranged between the two groups of end underframe, the two ends of the underframe longitudinal beams are fixedly welded with the corresponding end underframe, and underframe cross beams are fixedly welded between two adjacent edge beams and underframe longitudinal beams as well as between the underframe longitudinal beams and the underframe longitudinal beams; the end underframe, the hinged seat, the edge beam, the underframe longitudinal beam and the underframe cross beam are all made of carbon steel materials. The chassis of the hinged straddle type monorail vehicle has the advantages of heavy bearing weight, good rigidity, good stability, good mechanical property, easy welding, capability of meeting the interface requirements of the chassis and other components, and strong adaptability.
Description
Technical Field
The invention relates to the technical field of rail vehicles, in particular to an articulated straddle type monorail vehicle chassis.
Background
The straddle type monorail transit is a typical urban rail transit system and has the unique advantages of strong terrain adaptability, large climbing capacity, small turning radius, less land resource occupation, low noise, short construction period, low manufacturing cost and the like. In multi-system urban rail transit, the comprehensive advantages of overhead line operation are obvious. The unique advantage determines that the urban rail transit system has wide space for further popularization and application.
On the basis of inheriting the advantages of the existing single rail, through comprehensive independent and domestic development, a new generation straddle type single rail vehicle is designed and upgraded according to specific improvement requirements, and the passenger demand of small and medium-sized cities is met through customized design.
The underframe is one of important structural components of a straddle type monorail vehicle, is a bearing component of passengers and equipment, and bears an interface of a bogie, an interface of a side wall and an interface of an end wall. Therefore, the underframe should have good mechanical properties and be capable of well transferring longitudinal and vertical loads.
At present, in order to reduce the self weight of some rail vehicles, the underframe is made of an aluminum alloy material, but the aluminum alloy material has the defects of low strength and rigidity, low bearing capacity, poor corrosion resistance and unsatisfactory use effect.
Disclosure of Invention
The invention aims to solve the technical problem of providing the chassis of the hinged straddle type monorail vehicle, which has the advantages of large bearing capacity, good rigidity, good stability and good mechanical property and can meet the requirements of interfaces with other parts.
In order to solve the technical problems, the invention is realized by the following technical scheme: a hinged straddle type monorail vehicle underframe comprises two boundary beams which are arranged in parallel front and back and two groups of end underframe fixedly welded at two ends of the two boundary beams, wherein the two groups of end underframe are symmetrical left and right and form a rectangular frame structure with the two boundary beams; the top of the two groups of end part bottom frames is respectively provided with a group of hinged seats, the two groups of hinged seats are in bilateral symmetry, two bottom frame longitudinal beams parallel to the edge beams are arranged between the two groups of end part bottom frames, two ends of the bottom frame longitudinal beams are fixedly welded with the corresponding end part bottom frames, and bottom frame cross beams are fixedly welded between the two adjacent edge beams and the bottom frame longitudinal beams and between the bottom frame longitudinal beams and the bottom frame longitudinal beams.
Furthermore, the end underframe, the hinge seats, the edge beams, the underframe longitudinal beams and the underframe cross beams are all made of carbon steel materials.
Furthermore, the top surface of the end part underframe is provided with a plug interface, the bottom of the hinged seat is provided with a plug-in connector which corresponds to the plug interface on the end part underframe and can be in plug-in fit with the plug interface, and the hinged seat is fixedly connected with the upper surface and the lower surface of the end part underframe through rivets.
Furthermore, the plug-in connector at the bottom of the hinge seat is fixedly connected with the side face of the corresponding end underframe through bolts and rivets.
Further, the side beams are made of high-strength steel with a large section, and the underframe longitudinal beams are made of high-strength steel with a rectangular section.
Furthermore, the underframe crossbeams are provided with a plurality of groups which are arranged at equal intervals from left to right.
Furthermore, a vehicle body end wall mounting interface is arranged on the end underframe; and the boundary beam is provided with a vehicle body side wall mounting interface.
Furthermore, a plurality of process holes which are communicated front and back are uniformly distributed on the side surface of the underframe longitudinal beam along the left and right length directions.
Further, a shock absorber mounting seat is arranged on the underframe cross beam.
Further, the side of the hinged seat is in a parabolic structure with an outward opening.
Compared with the prior art, the invention has the advantages that: the chassis of the hinged straddle type monorail vehicle has the advantages of heavy bearing weight, good rigidity, good stability, good mechanical property, easy welding, capability of meeting the interface requirements of the chassis and other components, and strong adaptability.
Drawings
FIG. 1 is a schematic perspective view of an undercarriage of an articulated straddle-type monorail vehicle according to the present invention;
FIG. 2 is a schematic top view of the bottom frame of the articulated straddle-type monorail vehicle of the present invention;
FIG. 3 is a schematic view of the bottom frame structure of the bottom frame of the articulated straddle-type monorail vehicle of the present invention;
FIG. 4 is a side view of the articulated seat of the undercarriage of the articulated straddle-type monorail vehicle according to the invention. In the figure: 1. an end chassis; 11. an interface; 2. a hinged seat; 21. a plug-in connector; 3. a boundary beam; 4. an undercarriage stringer; 41. a fabrication hole; 5. and (4) chassis measurement.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
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, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting 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 present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 a specific case to those of ordinary skill in the art. Furthermore, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
An articulated straddle monorail vehicle undercarriage as shown in figures 1 and 2, characterized in that: the side frame comprises two side beams 3 which are arranged in parallel front and back and two groups of end underframe 1 fixedly welded at two ends of the two side beams 3, wherein the two groups of end underframe 1 are bilaterally symmetrical and form a rectangular square frame structure with the two side beams 3; two sets of the top of tip chassis 1 is provided with a set of articulated seat 2 respectively, and two sets of articulated seat 2 bilateral symmetry are two sets of be provided with two chassis longerons 4 that are on a parallel with boundary beam 3 between the tip chassis 1, weld firmly together between the both ends of chassis longeron 4 and the tip chassis 1 that corresponds, all welded firmly chassis crossbeam 5 between two adjacent boundary beams 3 and chassis longeron 4 and between chassis longeron 4 and chassis longeron 4.
In order to ensure the rigidity of the underframe and meet the requirement of larger bearing, the end underframe 1, the hinged seat 2, the edge beam 3, the underframe longitudinal beam 4 and the underframe cross beam 5 are all made of carbon steel materials; the side beams 3 are made of high-strength steel with a large section, the underframe longitudinal beams 4 are made of high-strength steel with a rectangular section, and groove V-shaped welding seams or half V-shaped welding seams are mainly adopted among the structures.
In order to facilitate the installation and the disassembly of the remaining end underframe 1 of the hinge seat 2 and ensure the stability after the connection, as shown in fig. 3, the top surface of the end underframe 1 is provided with a socket 11, as shown in fig. 4, the side surface of the hinge seat 2 is of a parabolic structure with an outward opening, the bottom of the hinge seat is provided with a plug 21 which corresponds to the socket 11 on the end underframe 1 and can be in plug-in fit, and the hinge seat 2 is fixedly connected with the upper surface and the lower surface of the end underframe 1 through rivets; the plug-in connector 21 at the bottom of the hinged seat 2 is fixedly connected with the corresponding side surface of the end underframe 2 through bolts and rivets.
In order to ensure that the mechanical property of the underframe is good enough and the stability is good, the underframe beams 5 are provided with a plurality of groups which are arranged at equal intervals.
In order to facilitate the installation of the end wall and the side wall, a vehicle body end wall installation interface is arranged on the end underframe 1; and the boundary beam 3 is provided with a vehicle body side wall mounting interface.
In order to ensure the stress strength of the underframe longitudinal beam 4, a plurality of process holes 41 which are communicated front and back are uniformly distributed on the side surface of the underframe longitudinal beam 4 along the left and right length directions.
In order to facilitate the installation of the shock absorber, a shock absorber installation seat is arranged on the underframe cross beam 5.
The chassis of the hinged straddle type monorail vehicle has the advantages of heavy bearing weight, good rigidity, good stability, good mechanical property, easy welding, capability of meeting the interface requirements of the chassis and other components, and strong adaptability.
It is to be emphasized that: the above embodiments are only preferred embodiments of the present invention, and are not intended to limit the present invention in any way, and all simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention are within the scope of the technical solution of the present invention.
Claims (10)
1. An articulated straddle-type monorail vehicle underframe, characterized in that: the side frame comprises two side beams (3) which are arranged in parallel front and back and two groups of end bottom frames (1) fixedly welded at two ends of the two side beams (3), wherein the two groups of end bottom frames (1) are bilaterally symmetrical and form a rectangular square frame structure together with the two side beams (3); two sets of the top of tip chassis (1) is provided with a set of articulated seat (2) respectively, and two sets of articulated seat (2) bilateral symmetry are two sets of be provided with two chassis longerons (4) that are on a parallel with boundary beam (3) between tip chassis (1), weld firmly together between the both ends of chassis longeron (4) and the tip chassis (1) that corresponds, all weld firmly chassis crossbeam (5) between two adjacent boundary beam (3) and chassis longeron (4) and between chassis longeron (4) and chassis longeron (4).
2. The undercarriage for an articulated straddle-type monorail vehicle of claim 1, wherein: the end underframe (1), the hinged seat (2), the edge beam (3), the underframe longitudinal beam (4) and the underframe cross beam (5) are all made of carbon steel materials.
3. The undercarriage for an articulated straddle-type monorail vehicle of claim 1 further comprising: the top surface of tip chassis (1) is provided with interface (11), the bottom of articulated seat (2) is provided with and goes up interface (11) position with tip chassis (1) and correspond and can peg graft complex bayonet joint (21), pass through rivet fixed connection together between the upper and lower surface of articulated seat (2) and tip chassis (1).
4. An articulated straddle-type monorail vehicle undercarriage according to claim 3, characterized in that: the plug-in connector (21) at the bottom of the hinged seat (2) is fixedly connected with the side surface of the corresponding end underframe (2) through bolts and rivets.
5. The undercarriage for an articulated straddle-type monorail vehicle of claim 1, wherein: the side beams (3) are made of high-strength steel with a large cross section, and the underframe longitudinal beams (4) are made of high-strength steel with a rectangular cross section.
6. The undercarriage for an articulated straddle-type monorail vehicle of claim 1, wherein: the underframe cross beams (5) are provided with a plurality of groups which are arranged at equal intervals from left to right.
7. The undercarriage for an articulated straddle-type monorail vehicle of claim 1, wherein: a vehicle body end wall mounting interface is arranged on the end underframe (1); and the boundary beam (3) is provided with a vehicle body side wall installation interface.
8. The undercarriage for an articulated straddle-type monorail vehicle of claim 1, wherein: and a plurality of process holes (41) which are communicated front and back are uniformly distributed on the side surface of the underframe longitudinal beam (4) along the left and right length directions.
9. The undercarriage for an articulated straddle-type monorail vehicle of claim 1, wherein: and a shock absorber mounting seat is arranged on the underframe cross beam (5).
10. The undercarriage for an articulated straddle-type monorail vehicle of claim 1, wherein: the side surface of the hinged seat (2) is of a parabolic structure with an outward opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952168.7A CN115214737A (en) | 2022-08-09 | 2022-08-09 | Articulated straddle type monorail vehicle underframe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210952168.7A CN115214737A (en) | 2022-08-09 | 2022-08-09 | Articulated straddle type monorail vehicle underframe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115214737A true CN115214737A (en) | 2022-10-21 |
Family
ID=83615931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210952168.7A Pending CN115214737A (en) | 2022-08-09 | 2022-08-09 | Articulated straddle type monorail vehicle underframe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115214737A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024164570A1 (en) * | 2023-02-10 | 2024-08-15 | 中车山东机车车辆有限公司 | Flat car underframe with new structure, and railway freight car having same |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184245A (en) * | 2016-08-15 | 2016-12-07 | 中车唐山机车车辆有限公司 | A kind of lightweight body construction |
| CN111959553A (en) * | 2020-09-01 | 2020-11-20 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle and articulated vehicle body thereof |
| CN112061162A (en) * | 2020-09-11 | 2020-12-11 | 中车长春轨道客车股份有限公司 | Straddle type monorail vehicle body chassis side beam and side wall connecting structure |
-
2022
- 2022-08-09 CN CN202210952168.7A patent/CN115214737A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106184245A (en) * | 2016-08-15 | 2016-12-07 | 中车唐山机车车辆有限公司 | A kind of lightweight body construction |
| CN111959553A (en) * | 2020-09-01 | 2020-11-20 | 中车青岛四方机车车辆股份有限公司 | Rail vehicle and articulated vehicle body thereof |
| CN112061162A (en) * | 2020-09-11 | 2020-12-11 | 中车长春轨道客车股份有限公司 | Straddle type monorail vehicle body chassis side beam and side wall connecting structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024164570A1 (en) * | 2023-02-10 | 2024-08-15 | 中车山东机车车辆有限公司 | Flat car underframe with new structure, and railway freight car having same |
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