CN110758426A - High-speed motor train unit train roof structure and train with same - Google Patents
High-speed motor train unit train roof structure and train with same Download PDFInfo
- Publication number
- CN110758426A CN110758426A CN201911182003.0A CN201911182003A CN110758426A CN 110758426 A CN110758426 A CN 110758426A CN 201911182003 A CN201911182003 A CN 201911182003A CN 110758426 A CN110758426 A CN 110758426A
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- roof
- section
- flat
- train
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- 241001270131 Agaricus moelleri Species 0.000 claims abstract description 31
- 238000003466 welding Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 12
- 230000007704 transition Effects 0.000 claims abstract description 10
- 241000271559 Dromaiidae Species 0.000 claims abstract 3
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 238000010276 construction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 3
- 239000000463 material Substances 0.000 description 12
- 238000004378 air conditioning Methods 0.000 description 5
- 230000002411 adverse Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/12—Roofs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/02—Construction details of vehicle bodies reducing air resistance by modifying contour ; Constructional features for fast vehicles sustaining sudden variations of atmospheric pressure, e.g. when crossing in tunnels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/043—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures connections between superstructure sub-units
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D17/00—Construction details of vehicle bodies
- B61D17/04—Construction details of vehicle bodies with bodies of metal; with composite, e.g. metal and wood body structures
- B61D17/12—Roofs
- B61D17/14—Roofs with gangways
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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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T30/00—Transportation of goods or passengers via railways, e.g. energy recovery or reducing air resistance
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The utility model provides a high-speed EMUs train roof structure, includes high top and flat top, its characterized in that: the high top is provided with an air conditioner frame structure to ensure that an air conditioner unit is embedded into a vehicle body section, the end part of the high top is provided with a T-shaped bent section welded with a back support, the T-shaped bent section is consistent with the outline of the vehicle roof, the end part of the high top seals a hollow cavity of the vehicle roof, the welding back support is connected with an end wall, the whole high top is in smooth transition, the cross section of the high top comprises a middle straight line section and two side arcs, and the radian of the two side arcs close to the middle straight line section is larger than that of the arcs far away from the center straight line section, so that the; a high-pressure box structure is embedded in the flat top part; the flat-top large platform structure is arranged, so that an installation interface of equipment is provided, and an operator can conveniently walk and overhaul the flat-top large platform structure; the integrated sliding groove mounting structure enables the equipment to be conveniently mounted and has excellent adjustability; the T-shaped bent section arranged at the end part of the car roof has good process performance.
Description
Technical Field
The invention relates to the technical field of railway vehicles, in particular to a high-speed motor train unit train and a roof thereof.
Background
At present, due to the requirements on the strength of a train body and the limitation of welding deformation, a hollow closed long section used for a train roof structure of a high-speed motor train unit is thicker and heavier, and the light weight level needs to be improved; the integrated pantograph and the high-voltage box of the car roof are directly fixed above a car roof platform, the air conditioning unit is lapped above the high roof of the car roof through a transition connecting section bar formed by bending, and the structures protrude out of the car roof and have great influence on the internal and external noise and the aerodynamic performance of the car.
Disclosure of Invention
The invention aims to design a high-speed motor train unit train with improved aerodynamic performance and a roof structure thereof, and improve the light weight level on the premise of meeting the strength requirement.
In order to achieve the purpose, the invention provides a train roof structure of a high-speed motor train unit, which comprises a high roof and a flat roof and is characterized in that: the high top is provided with an air conditioner frame structure to ensure that an air conditioner unit is embedded into a vehicle body section, the end part of the high top is provided with a T-shaped bent section welded with a back support, the T-shaped bent section is consistent with the outline of the vehicle roof, the end part of the high top seals a hollow cavity of the vehicle roof, the welding back support is connected with an end wall, the whole high top is in smooth transition, the cross section of the high top comprises a middle straight line section and two side arcs, and the radian of the two side arcs close to the middle straight line section is larger than that of the arcs far away from the center straight line section, so that the; the flat top part is embedded with a high-pressure box structure.
The flat top is provided with a square frame formed by tailor welding at an oblique angle of 45 degrees, so that a convenient sliding groove installation interface is provided for the high-pressure tank.
The whole car roof is formed by penetrating a hollow closed long section bar, the inner skin and the outer skin are connected through the inclined ribs to form a stable triangular cavity, the outer skin is thicker than the inner skin, the welding process performance is met, and the light weight requirement is met.
The high top is in a circular arc shape, the middle of the flat top is in a straight line structure, and the whole body is lower than the high top.
A groove-shaped bent section is arranged between the high top and the flat top and spliced with the L-shaped section, so that transition between the high dome and the low flat top is realized.
The high roof and the flat roof are both provided with sliding grooves extending along the longitudinal direction, the lower side of the roof is provided with a C-shaped groove with a downward opening so as to provide an installation interface for equipment to be installed, and the two sides of the upper part of the flat roof are provided with C-shaped grooves with upward openings so as to provide an installation interface for a pantograph air deflector of the roof.
The hollow closed long and large section with the high top has uniform and consistent thickness at the middle straight line section and the arc part close to the straight line section, and the thickness of the hollow section at the arc part far away from the central straight line section is gradually thickened and is larger than that of the middle part, so that the integral rigidity of the roof is improved, and meanwhile, the rigidity of the integral section of the vehicle body is improved.
The boundary beam section bar of high top is provided with the semicircular cavity of rounding off, for electric wiring headspace, has avoided the adverse circumstances of outer line of car.
The wall thickness of the flat-top hollow closed long and large section skin is larger than that of the high-top hollow closed long and large section, and the flat-top hollow closed long and large section skin is used for isolating noise in a pantograph region.
A high-speed motor train unit train is provided with the roof structure.
Compared with the prior art, the invention has the advantages and the progress that:
1. the air resistance of the running of the vehicle is effectively reduced, and the aerodynamic performance is improved;
2. the light weight level of the whole vehicle is improved;
3. the flat-top large platform structure is arranged, so that an installation interface of equipment is provided, and an operator can conveniently walk and overhaul the flat-top large platform structure;
4. the integrated spout mounting structure that has makes equipment fixing convenient, the adjustable performance is superior.
5. The T-shaped bent section arranged at the end part of the car roof has good process performance.
Drawings
FIG. 1 is an isometric view of a motor train unit roof in one embodiment of the present invention;
FIG. 2 is a top view of the vehicle roof;
FIG. 3 is a schematic view of a rotated section in the direction of A-A in FIG. 2;
FIG. 4 is a schematic view of a rotated cross-section in the direction B-B of FIG. 2;
FIG. 5 is a schematic cross-sectional view taken along the line C-C in FIG. 2;
FIG. 6 is a schematic view of a rotated section in the direction D-D of FIG. 2;
FIG. 7 is a schematic cross-sectional view taken along the line E-E in FIG. 1;
FIG. 8 is a schematic cross-sectional view taken along the direction F-F in FIG. 1;
fig. 9 is a schematic sectional view in the direction of G-G in fig. 2.
Detailed Description
The whole roof main body structure of the invention is as follows: the air conditioner frame structure comprises a high top 1, a flat top 2, an air conditioner frame structure 3, a high pressure box structure 4, a T-shaped bent section 5, a groove-shaped bent section 6, a side beam 7, a transition connection structure 8 and an L-shaped section 9.
The core of the invention is to design a motor train unit roof structure which emphasizes improvement of aerodynamic performance, and the motor train unit roof structure can realize integration of an embedded air conditioner frame structure, a high-pressure box structure and a smooth transition structure of a high roof and a flat roof, and simultaneously improve the light weight level on the premise of meeting the strength requirement.
The roof of the present invention will be described in detail below with reference to the accompanying drawings so that those skilled in the art can accurately understand the technical solution of the present invention.
As shown in the figures 1 and 2, the roof of the motor train unit comprises a plurality of hollow large and large closed-mouth sections, and each hollow section extends along the longitudinal direction to cover the longitudinal direction of the whole train body; the hollow sections are formed by splicing and welding in a splicing or lapping mode transversely to form a whole high top 1 and a whole flat top 2.
As shown in fig. 3, one end of the middle five sectional materials of the section of the high top 1 is provided with a welding back support 101, the other end of the middle five sectional materials is provided with a welding groove 102, the two adjacent sectional materials are butt-jointed and tailor-welded in a splicing mode, in order to control the influence of welding deformation, the thickness of the sectional materials in the welding interface area is slightly thicker than that of the middle cavity, the thickness of the skin of the sectional materials of the side beams 7 on the two sides is thickened, and a semicircular cavity 103 in smooth transition is arranged.
As shown in FIG. 4, the cross section of the flat top 2 is formed by butt welding five sectional materials, and the wall thickness of the skin of the flat top sectional material is far larger than that of the high top sectional material. The inner side and the outer side of the high top 1 section bar and the inner side and the outer side of the flat top 2 section bar can be provided with C-shaped grooves 201 along the vehicle length direction for providing installation interfaces of built-in equipment, a roof pantograph air guide sleeve and the like.
As shown in fig. 5, 6 and 7, an embedded air conditioner frame structure 3 is arranged on the roof of the motor train unit and is a rectangular frame formed by welding four sectional materials in a splicing manner, inclined openings of 45 degrees are welded in a transverse direction and a longitudinal direction, a C-shaped groove 301 is formed above the sectional materials, adjustability is provided for installation of an air conditioner unit, and a sliding block penetrating opening 302 and a limiting block 303 are reserved on the C-shaped groove. The longitudinal direction of the train body of the air-conditioning frame structure 3 is directly lapped on the side beam 7, the train body is transversely provided with a transitional connection structure 8, the groove-shaped bent section bars are spliced with the L-shaped section bars 9, the transitional problem of the cambered surface of the high top and the installation plane of the air-conditioning unit is solved, the lapping structures of the four sides form a stable interface, the air-conditioning frame structure 3 is embedded into the high top 1, and the air-conditioning unit installed through the C-shaped groove is embedded into the roof of the motor train unit with an arc.
In addition, as shown in fig. 5, the T-shaped bent section 5 is consistent with the contour of the roof of a vehicle, the end part of the T-shaped bent section is closed by the hollow cavity of the high top 1, and the welding back support 501 of the T-shaped bent section is effectively connected with the end wall, so that the T-shaped bent section has good technological performance. The whole smooth transition is beneficial to the aerodynamic performance.
As shown in fig. 8 and 9, the splicing structure of the groove-shaped bent section bar 6 and the L-shaped section bar solves the problem of transitional connection between the high top 1 with radian and the flat top 2, one transverse end of the vehicle body is the L-shaped section bar, and the other transverse end is a T-shaped interface reserved for an end wall, so that the flat top 2 forms a stable large platform structure for supporting, and meanwhile, no protrusion or blocking structure is arranged on two sides of the flat top, so that rainwater on the flat top can be discharged along the two sides in time. An embedded high-pressure box structure 4 is further arranged in the flat top 2, is a box structure formed by welding four sectional materials in a split welding mode, is welded with 45-degree inclined openings in the transverse and longitudinal directions in a split welding mode, is provided with a C-shaped groove above the sectional materials, provides adjustability for installation of the high-pressure box, and is provided with a sliding block penetrating opening and a water outlet.
The high-speed motor train unit train comprises the high top 1 and the flat top 2, and the aerodynamic performance effect is superior to that of any one train in the past.
Claims (10)
1. The utility model provides a high-speed EMUs train roof structure, includes high top and flat top, its characterized in that: the high top is provided with an air conditioner frame structure to ensure that an air conditioner unit is embedded into a vehicle body section, the end part of the high top is provided with a T-shaped bent section welded with a back support, the T-shaped bent section is consistent with the outline of the vehicle roof, the end part of the high top seals a hollow cavity of the vehicle roof, the welding back support is connected with an end wall, the whole high top is in smooth transition, the cross section of the high top comprises a middle straight line section and two side arcs, and the radian of the two side arcs close to the middle straight line section is larger than that of the arcs far away from the center straight line section, so that the; the flat top part is embedded with a high-pressure box structure.
2. The train roof structure of the high-speed motor train unit according to claim 1, wherein: the flat top is provided with a square frame formed by tailor welding at an oblique angle of 45 degrees, so that a convenient sliding groove installation interface is provided for the high-pressure tank.
3. The train roof structure of the high-speed motor train unit according to claim 1, wherein: the whole vehicle roof formed by the high roof and the flat roof is formed by penetrating a hollow closed long section bar, the inner skin and the outer skin are connected through the inclined ribs to form a stable triangular cavity, and the outer skin is thicker than the inner skin.
4. The train roof structure of the high-speed motor train unit according to claim 1, wherein: the high top is in a circular arc shape, the middle of the flat top is in a straight line structure, and the whole body is lower than the high top.
5. The train roof structure of the high-speed motor train unit according to claim 1, wherein: and a groove-shaped bent section is arranged between the high top and the flat top and is spliced with the L-shaped section.
6. The train roof structure of the high-speed motor train unit according to claim 1, wherein: the high roof and the flat roof are both provided with sliding grooves extending along the longitudinal direction, the lower side of the roof is provided with a C-shaped groove with a downward opening so as to provide an installation interface for equipment to be installed, and the two sides of the upper part of the flat roof are provided with C-shaped grooves with upward openings so as to provide an installation interface for a pantograph air deflector of the roof.
7. The train roof structure of the high-speed motor train unit according to claim 3, wherein: the hollow closed long and large section with the high top is uniform and consistent in thickness at the middle straight line section and the arc part close to the straight line section, and the thickness of the hollow closed long and large section at the arc part far away from the central straight line section is gradually thickened and is larger than that of the middle part.
8. The train roof structure of the high-speed motor train unit according to claim 1, wherein: the high-top edge beam profile is provided with a semicircular cavity in smooth transition, and a space is reserved for electric wiring.
9. The train roof structure of the high-speed motor train unit according to claim 1, wherein: the wall thickness of the flat-top hollow closed long and large section skin is larger than that of the high-top hollow closed long and large section, and the flat-top hollow closed long and large section skin is used for isolating noise in a pantograph region.
10. A high-speed EMUs train which characterized in that: having a roof construction according to any of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911182003.0A CN110758426A (en) | 2019-11-27 | 2019-11-27 | High-speed motor train unit train roof structure and train with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911182003.0A CN110758426A (en) | 2019-11-27 | 2019-11-27 | High-speed motor train unit train roof structure and train with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110758426A true CN110758426A (en) | 2020-02-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911182003.0A Pending CN110758426A (en) | 2019-11-27 | 2019-11-27 | High-speed motor train unit train roof structure and train with same |
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| Country | Link |
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| CN (1) | CN110758426A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994102A (en) * | 2020-08-17 | 2020-11-27 | 中车长春轨道客车股份有限公司 | Aluminum alloy automobile body with novel roof structure |
| CN111994104A (en) * | 2020-08-17 | 2020-11-27 | 中车长春轨道客车股份有限公司 | Novel aluminum alloy roof for railway vehicle |
| CN112061157A (en) * | 2020-09-11 | 2020-12-11 | 中车长春轨道客车股份有限公司 | High-speed motor train unit roof equipment compartment structure |
| CN113371011A (en) * | 2021-07-30 | 2021-09-10 | 中车长春轨道客车股份有限公司 | Intercity EMUs aluminum alloy vehicle body structure |
| CN114633076A (en) * | 2022-03-30 | 2022-06-17 | 青岛联诚宏达轨道交通设备有限公司 | Manufacturing process of air conditioner flat top component of motor train unit |
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| CN201923147U (en) * | 2010-11-16 | 2011-08-10 | 南车青岛四方机车车辆股份有限公司 | Roof transition unit of railway vehicle |
| CN104709301A (en) * | 2015-03-12 | 2015-06-17 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle and roof thereof |
| CN105329249A (en) * | 2015-10-23 | 2016-02-17 | 南车株洲电力机车有限公司 | Stainless steel vehicle body of rail vehicle |
| CN109131389A (en) * | 2018-09-14 | 2019-01-04 | 中车青岛四方机车车辆股份有限公司 | A kind of roof structure of rail vehicle |
| CN109866788A (en) * | 2019-03-22 | 2019-06-11 | 中车株洲电力机车有限公司 | A kind of track train and its car body |
| CN211139320U (en) * | 2019-11-27 | 2020-07-31 | 中车长春轨道客车股份有限公司 | High-speed motor train unit train roof structure and train with same |
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2019
- 2019-11-27 CN CN201911182003.0A patent/CN110758426A/en active Pending
Patent Citations (7)
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| JP2011131637A (en) * | 2009-12-22 | 2011-07-07 | Hitachi Ltd | Railroad vehicle structure |
| CN201923147U (en) * | 2010-11-16 | 2011-08-10 | 南车青岛四方机车车辆股份有限公司 | Roof transition unit of railway vehicle |
| CN104709301A (en) * | 2015-03-12 | 2015-06-17 | 南车青岛四方机车车辆股份有限公司 | Railway vehicle and roof thereof |
| CN105329249A (en) * | 2015-10-23 | 2016-02-17 | 南车株洲电力机车有限公司 | Stainless steel vehicle body of rail vehicle |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994102A (en) * | 2020-08-17 | 2020-11-27 | 中车长春轨道客车股份有限公司 | Aluminum alloy automobile body with novel roof structure |
| CN111994104A (en) * | 2020-08-17 | 2020-11-27 | 中车长春轨道客车股份有限公司 | Novel aluminum alloy roof for railway vehicle |
| CN112061157A (en) * | 2020-09-11 | 2020-12-11 | 中车长春轨道客车股份有限公司 | High-speed motor train unit roof equipment compartment structure |
| CN112061157B (en) * | 2020-09-11 | 2024-04-23 | 中车长春轨道客车股份有限公司 | Roof equipment cabin structure of high-speed motor train unit |
| CN113371011A (en) * | 2021-07-30 | 2021-09-10 | 中车长春轨道客车股份有限公司 | Intercity EMUs aluminum alloy vehicle body structure |
| CN113371011B (en) * | 2021-07-30 | 2024-03-22 | 中车长春轨道客车股份有限公司 | Inter-city motor train unit aluminum alloy vehicle body structure |
| CN114633076A (en) * | 2022-03-30 | 2022-06-17 | 青岛联诚宏达轨道交通设备有限公司 | Manufacturing process of air conditioner flat top component of motor train unit |
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