CN109649177A - EMU and its pantograph platform structure - Google Patents
EMU and its pantograph platform structure Download PDFInfo
- Publication number
- CN109649177A CN109649177A CN201910142021.XA CN201910142021A CN109649177A CN 109649177 A CN109649177 A CN 109649177A CN 201910142021 A CN201910142021 A CN 201910142021A CN 109649177 A CN109649177 A CN 109649177A
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- Prior art keywords
- pantograph
- flat
- platform structure
- top surface
- voltage
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- 238000010276 construction Methods 0.000 claims abstract 5
- 241001270131 Agaricus moelleri Species 0.000 claims description 33
- 238000007789 sealing Methods 0.000 claims description 8
- 229910000838 Al alloy Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 4
- 241000271559 Dromaiidae Species 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L5/00—Current collectors for power supply lines of electrically-propelled vehicles
- B60L5/18—Current collectors for power supply lines of electrically-propelled vehicles using bow-type collectors in contact with trolley wire
- B60L5/20—Details of contact bow
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Current-Collector Devices For Electrically Propelled Vehicles (AREA)
Abstract
The invention discloses a kind of EMU and its pantograph platform structure, pantograph platform structure includes: body construction, has recessed flat-tope structure (3) in the body construction；It is set on the flat-tope structure (3), for placing the high-voltaghe compartment (4) of High-Voltage Electrical Appliances, after being placed on the flat-tope structure (3), top surface profile is aligned the high-voltaghe compartment (4) with the top surface outer profile of the body construction；The pantograph pod (1) being set on the flat-tope structure (3), the pantograph pod (1) has the relief portion installed for pantograph (2), after being placed on the flat-tope structure (3), top surface profile is aligned the pantograph pod (1) with the top surface outer profile of the body construction.Pantograph platform structure provided by the invention, facilitates the installation and repairing to high-voltaghe compartment, reduces aerodynamic drag and aerodynamic noise, improve aerodynamic performance.
Description
Technical Field
The invention relates to the technical field of railway transportation equipment, in particular to a motor train unit and a pantograph platform structure thereof.
Background
With the development of high-speed motor train units, the reduction of pneumatic noise and pneumatic resistance in a pantograph area of the high-speed motor train unit becomes an urgent problem to be solved.
The flat-top high-voltage system of the traditional high-speed motor train unit has a plurality of components, the pneumatic noise and the pneumatic resistance of the motor train unit are increased due to the exposure of the high-voltage components, and a high-voltage integration technology is also adopted in a few developed countries, but the structure of the motor train unit is too complex and the installation is inconvenient.
Traditional high-speed EMUs pantograph platform problem: (1) the high-voltage components are independently arranged above the flat top, the problem of fog flashing of the high-voltage components is easily caused, and the pneumatic noise and the pneumatic resistance of the upper part of the vehicle are increased. (2) The air guide sleeve is arranged around the high-pressure component, the resistance reduction and noise reduction capabilities of the air guide sleeve are limited, and the shape of the air guide sleeve also needs to be optimized. (3) The size of the pantograph area protruding out of the vehicle body is too large, and the aerodynamic performance of the whole vehicle is affected.
Therefore, how to reduce aerodynamic noise and aerodynamic resistance and improve aerodynamic performance is a problem to be solved urgently by those skilled in the art.
Disclosure of Invention
In view of this, the present invention provides a platform structure of a pantograph, so as to reduce aerodynamic noise and aerodynamic resistance and improve aerodynamic performance. The invention also discloses a motor train unit.
In order to achieve the purpose, the invention provides the following technical scheme:
as can be seen from the above technical solutions, the pantograph platform structure provided by the present invention includes:
a body structure having a recessed flat top structure thereon;
the high-voltage box is arranged on the flat top structure and used for placing a high-voltage electric appliance, and after the high-voltage box is placed on the flat top structure, the top surface outline of the high-voltage box is aligned with the top surface outline of the vehicle body structure;
the pantograph air guide sleeve is arranged on the flat top structure and is provided with an avoiding part for mounting a pantograph, and the top surface contour of the pantograph air guide sleeve is aligned with the top surface outline of the vehicle body structure after the pantograph air guide sleeve is placed on the flat top structure.
Preferably, in the pantograph platform structure, the high-pressure tank is located in an escape portion of the pantograph dome.
Preferably, in the above pantograph platform structure, the pantograph dome has a frame structure, and the avoiding portion is a hollow portion located in the middle of the frame structure.
Preferably, in the above pantograph platform structure, the high-pressure tank is in sealing contact with an inner wall of the frame structure.
Preferably, in the pantograph platform structure, the flat top structure is provided with a groove;
the high-pressure box is arranged in the groove.
Preferably, in the above pantograph platform structure, an outer wall of the high-pressure tank is in sealing contact with a groove side wall of the groove.
Preferably, in the above pantograph platform structure, the flat top structure is an aluminum alloy structure.
The embodiment of the invention also provides a motor train unit, which comprises a pantograph platform structure, wherein the pantograph platform structure is the pantograph platform structure in any one of the above items.
According to the pantograph platform structure provided by the invention, the concave flat-top structure is arranged on the vehicle body structure, the pantograph air guide sleeve and the high-voltage box are placed on the flat-top structure, and the top surface outlines of the pantograph air guide sleeve and the high-voltage box are aligned with the top surface outline of the vehicle body structure, so that the pantograph air guide sleeve and the high-voltage box are formed into the same structure as the top surface outline (non-flat-top structure) of the vehicle body structure after being installed. The high-pressure box is directly placed on the flat-top structure, so that the high-pressure box is convenient to install and maintain; the high-voltage electrical appliance is arranged in the high-voltage box, so that the fog flash problem of high-voltage components is solved, and the pneumatic resistance and the pneumatic noise are reduced; the top surface outlines of the pantograph air guide sleeve and the high-pressure box are aligned with the top surface outline of the vehicle body structure, so that the aerodynamic performance is effectively improved.
The motor train unit has the same technical effect as the pantograph platform structure, and the motor train unit is not described in detail herein.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a pantograph platform structure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a high pressure tank according to an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a flat-top structure according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of a pantograph dome according to an embodiment of the present invention.
Wherein,
a pantograph dome-1, a pantograph-2, a flat-top structure-3 and a high-pressure tank-4.
Detailed Description
The invention discloses a platform structure of a pantograph, which is used for reducing pneumatic noise and pneumatic resistance and improving aerodynamic performance. The invention also discloses a motor train unit.
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 and fig. 2, an embodiment of a pantograph platform structure of the present invention includes: a vehicle body structure having a recessed flat roof structure 3 thereon; the high-voltage box 4 is arranged on the flat top structure 3 and used for placing a high-voltage electric appliance, and after the high-voltage box 4 is placed on the flat top structure 3, the top surface outline of the high-voltage box is aligned with the top surface outline of the vehicle body structure; the pantograph air guide sleeve 1 is arranged on the flat-top structure 3, the pantograph air guide sleeve 1 is provided with an avoiding part for mounting the pantograph 2, and after the pantograph air guide sleeve 1 is placed on the flat-top structure 3, the top surface contour of the pantograph air guide sleeve is aligned with the top surface outer contour of the vehicle body structure.
According to the pantograph platform structure provided by the embodiment of the invention, the concave flat top structure 3 is arranged on the vehicle body structure, the pantograph air guide sleeve 1 and the high-voltage box 4 are placed on the flat top structure 3, and the top surface outlines of the pantograph air guide sleeve 1 and the high-voltage box 4 are aligned with the top surface outline of the vehicle body structure, so that the pantograph air guide sleeve 1 and the high-voltage box 4 are formed to be the same as the top surface outline (non-flat top structure 3) of the vehicle body structure after being installed. The high-pressure box 4 is directly placed on the flat-top structure 3, so that the installation and the overhaul of the high-pressure box 4 are facilitated; the high-voltage electrical apparatus is put in the high-pressure tank 4, has solved the fog of the high-pressure part and flashed the problem, and, reduced aerodynamic drag and aerodynamic noise; the top surface outlines of the pantograph air guide sleeve 1 and the high-voltage box 4 are aligned with the top surface outline of the vehicle body structure, so that the aerodynamic performance is effectively improved.
In order to improve the compactness and the stability of the high-voltage tank 4, the high-voltage tank 4 is located in an escape portion of the pantograph dome 1.
In this embodiment, the pantograph dome 1 has a frame structure, and the avoidance portion is a hollow portion located in the middle of the frame structure. Through the arrangement, the pantograph air guide sleeve 1 is effectively convenient to process, and the structural stability of the pantograph air guide sleeve 1 is also ensured.
Further, the high pressure tank 4 is in sealing contact with the inner wall of the frame structure. Through the arrangement, the protection effect of the pantograph air guide sleeve 1 on the high-voltage box 4 is effectively ensured, so that the rainproof and snow-proof effects on the high-voltage box 4 are ensured on the basis of the pantograph air guide sleeve 1 with the flow guiding effect.
The outer wall of the high-pressure tank 4 and the inner wall of the frame structure may be in surface-to-surface contact, or a sealing member may be provided therebetween.
In order to further improve the installation stability of the high-pressure tank 4, the flat-top structure 3 is provided with a groove 31; the high pressure tank 4 is disposed in the groove 31. Through the above arrangement, the high-voltage box 4 can have a sufficient height, and a high-voltage electric appliance is conveniently placed in the high-voltage box 4.
Preferably, the groove 31 is a sliding groove formed in the roof, and the water leakage problem is effectively solved by inserting the high pressure tank 4 into the groove 31.
The outer wall of the high pressure tank 4 is in sealing contact with the groove side wall of the groove 31. Through the arrangement, the sealing effect is effectively ensured.
The outer wall of the high pressure tank 4 and the groove side wall of the groove 31 may be in surface-to-surface contact, or a seal member may be provided therebetween.
In order to improve the service life, the flat top structure 3 is an aluminum alloy structure. Through the arrangement, the strength and the corrosion resistance of the flat top structure 3 are effectively improved, and the service life is effectively prolonged.
The embodiment of the invention also provides a motor train unit, which comprises the pantograph platform structure. Because the pantograph platform structure has the technical effects, the motor train unit with the pantograph platform structure also has the same technical effects, and the technical effects are not described in detail herein.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (8)
1. A pantograph platform structure, comprising:
a vehicle body structure having a recessed flat top structure (3) thereon;
the high-voltage box (4) is arranged on the flat top structure (3) and used for placing a high-voltage electric appliance, and after the high-voltage box (4) is placed on the flat top structure (3), the top surface outline of the high-voltage box is aligned with the top surface outline of the vehicle body structure;
set up in pantograph kuppe (1) on flat-top structure (3), pantograph kuppe (1) has the portion of dodging that supplies pantograph (2) to install, pantograph kuppe (1) place in back on flat-top structure (3), its top surface profile with body construction's top surface outline aligns.
2. Pantograph platform structure according to claim 1, characterized in that the high-pressure tank (4) is located in an escape of the pantograph fairing (1).
3. Pantograph platform structure according to claim 1, characterized in that the pantograph fairing (1) is a frame structure and the avoidance portion is a hollow portion located in the middle of the frame structure.
4. Pantograph platform structure according to claim 3, characterized in that said high-pressure tank (4) is in sealing contact with the inner walls of said frame structure.
5. Pantograph platform structure according to claim 1, characterized in that said flat top structure (3) is provided with grooves (31);
the high-pressure box (4) is arranged in the groove (31).
6. Pantograph platform structure according to claim 5, characterized in that the outer wall of the high-pressure tank (4) is in sealing contact with the tank side walls of the groove (31).
7. Pantograph platform structure according to any one of claims 1-6, characterised in that the flat top structure (3) is an aluminium alloy structure.
8. Motor train unit comprising a pantograph platform structure, characterized in that said pantograph platform structure is according to any of claims 1-7.
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142021.XA CN109649177A (en) | 2019-02-26 | 2019-02-26 | EMU and its pantograph platform structure |
| SG11202008009YA SG11202008009YA (en) | 2019-02-26 | 2020-02-25 | Motor train unit and pantograph platform structure thereof |
| PCT/CN2020/076620 WO2020173435A1 (en) | 2019-02-26 | 2020-02-25 | Multiple-unit train and pantograph platform structure thereof |
| EP20757509.3A EP3744558A4 (en) | 2019-02-26 | 2020-02-25 | Multiple-unit train and pantograph platform structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910142021.XA CN109649177A (en) | 2019-02-26 | 2019-02-26 | EMU and its pantograph platform structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109649177A true CN109649177A (en) | 2019-04-19 |
Family
ID=66123694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910142021.XA Pending CN109649177A (en) | 2019-02-26 | 2019-02-26 | EMU and its pantograph platform structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109649177A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020173435A1 (en) * | 2019-02-26 | 2020-09-03 | 中车长春轨道客车股份有限公司 | Multiple-unit train and pantograph platform structure thereof |
| CN113602300A (en) * | 2021-09-03 | 2021-11-05 | 中南大学 | Pantograph sinking platform cladding structure |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003219506A (en) * | 2002-01-22 | 2003-07-31 | Central Japan Railway Co | Pantograph noise reducing method and pantograph cover device |
| FR2955304A1 (en) * | 2010-01-19 | 2011-07-22 | Alstom Transport Sa | RAILWAY VEHICLE AND METHOD FOR MANUFACTURING THE SAME |
| CN208119151U (en) * | 2014-10-13 | 2018-11-20 | 西门子公司 | Rail vehicle with air conditioner facility |
| 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 |
| CN209700407U (en) * | 2019-02-26 | 2019-11-29 | 中车长春轨道客车股份有限公司 | EMU and its pantograph platform structure |
-
2019
- 2019-02-26 CN CN201910142021.XA patent/CN109649177A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003219506A (en) * | 2002-01-22 | 2003-07-31 | Central Japan Railway Co | Pantograph noise reducing method and pantograph cover device |
| FR2955304A1 (en) * | 2010-01-19 | 2011-07-22 | Alstom Transport Sa | RAILWAY VEHICLE AND METHOD FOR MANUFACTURING THE SAME |
| CN208119151U (en) * | 2014-10-13 | 2018-11-20 | 西门子公司 | Rail vehicle with air conditioner facility |
| 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 |
| CN209700407U (en) * | 2019-02-26 | 2019-11-29 | 中车长春轨道客车股份有限公司 | EMU and its pantograph platform structure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020173435A1 (en) * | 2019-02-26 | 2020-09-03 | 中车长春轨道客车股份有限公司 | Multiple-unit train and pantograph platform structure thereof |
| CN113602300A (en) * | 2021-09-03 | 2021-11-05 | 中南大学 | Pantograph sinking platform cladding structure |
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