CN115743201B - Damping device between high-speed motor train unit vehicles - Google Patents
Damping device between high-speed motor train unit vehicles Download PDFInfo
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- CN115743201B CN115743201B CN202211426030.XA CN202211426030A CN115743201B CN 115743201 B CN115743201 B CN 115743201B CN 202211426030 A CN202211426030 A CN 202211426030A CN 115743201 B CN115743201 B CN 115743201B
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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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Abstract
The invention discloses a drag reduction device between vehicles of a high-speed motor train unit, which belongs to the technical field of drag reduction between vehicles, and comprises a carriage I and a carriage II, wherein the carriage I and the carriage II are adjacently arranged, and a drag reduction mechanism is arranged between the carriage I and the carriage II; the drag reduction mechanism comprises a connecting mechanism and a wind shielding mechanism, wherein the connecting mechanism comprises a limiting rod, threads, a slide rod, a spring, a rod body, an arc plate and a buckling groove, the arc plate is fixedly connected to one side surface of the rod body, the buckling groove is formed in one side position of the inside of the arc plate, the slide rod is fixedly connected to one end surface of the rod body, which is far away from the arc plate, the slide rod penetrates through one side position of the limiting rod, the spring is sleeved outside the slide rod, the spring is positioned in the limiting rod, the dismounting efficiency of the drag reduction mechanism is greatly improved, and when the drag reduction mechanism is installed, two adjacent rubber baffle plates are required to be connected and installed through the positions of the connecting plate, and the drag reduction mechanism can greatly reduce wind resistance when a motor car runs through bolts and screw holes.
Description
Technical Field
The invention relates to the technical field of inter-vehicle drag reduction, in particular to a high-speed motor train unit inter-vehicle drag reduction device.
Background
When the running speed of the common train is 120km/h, the air resistance of the train accounts for 40% of the total resistance, and when the running speed is 160km/h, the air resistance accounts for 70% of the total resistance. Since the train air resistance is proportional to the square of the train operating speed, increasing the train operating speed requires decreasing the train air resistance. Factors influencing the air resistance of the train include running speed, shape of the head of the train body, shape of the train body, structure form of the train end and the like, and gaps exist between two carriages, so that the two carriages are prevented from being drag-reduced by wind, and the gaps between the two carriages are required to be sealed.
The conventional drag reduction device between high-speed motor train unit vehicles is difficult to disassemble and assemble the drag reduction mechanism quickly and stably, when rubber is used for a long time and is affected by corrosion and abrasion, the drag reduction device is inconvenient to replace and maintain, the disassembly and assembly convenience of the drag reduction device is difficult to be ensured while drag reduction is ensured, the use of the conventional drag reduction device is difficult to be met, and based on the conventional drag reduction device, the invention designs the drag reduction device between high-speed motor train unit vehicles to solve the problems.
Disclosure of Invention
The invention aims to provide a drag reduction device between high-speed motor train unit vehicles, which aims to solve the problems that in the background technology, quick and stable disassembly and assembly of a drag reduction mechanism are difficult to achieve, when rubber is used for a long time and is affected by corrosion and abrasion, replacement and maintenance of the rubber are inconvenient, and convenience in disassembly and assembly is difficult to ensure while drag reduction is ensured.
In order to achieve the above purpose, the present invention provides the following technical solutions: a drag reduction device between vehicles of a high-speed motor train unit comprises a carriage I and a carriage II, wherein the carriage I and the carriage II are adjacently arranged, and a drag reduction mechanism is arranged between the carriage I and the carriage II;
the rubber baffle is installed between two carriages through the connecting strip, the limiting rod is inserted into a connecting hole between the carriages and the connecting strip, the limiting rod can be rotated through the arc plate, the limiting rod is further connected with the carriages through threads, the arc plate can be rotated to be attached to the radian of the carriages through the limiting rod, the pulling force on the arc plate is withdrawn, the arc plate is moved near the position of the limiting rod through the sliding rod under the action of the spring, the arc plate can be embedded into the carriages and is identical to the radian of the carriages, wind resistance is reduced, when the arc plate needs to be disassembled, the buckling groove is buckled to pull the arc plate out, the arc plate can be disassembled from the carriages through the threaded position of the limiting rod, the damping mechanism comprises a connecting mechanism and a wind shielding mechanism, the connecting mechanism comprises the limiting rod, threads, the sliding rod, the spring, the rod body, the arc plate and a buckling groove, the arc plate are fixedly connected to one side of the rod body, the buckling groove is formed in the position of the inner side of the arc plate, the end face of the arc plate penetrates through the position of the limiting rod, the spring is sleeved on one side of the inner side of the arc plate, and the outer side of the arc plate is far away from the outer side of the arc plate.
Preferably, the sliding rod is a square rod, the vertical section of the sliding rod is in T-shaped arrangement, and the sliding rod is not separated from the limiting rod all the time.
Preferably, the wind shielding mechanism comprises a rubber baffle, a connecting strip, a connecting plate and a screw hole.
Preferably, the number of the wind shielding mechanisms is four, the wind shielding mechanisms respectively surround the edge positions between the first carriage and the second carriage, one wind shielding mechanism is provided with two connecting strips, the connecting strips are fixedly connected to the two end positions of the rubber baffle, and the connecting strips are in contact embedded connection with the interiors of the first carriage and the second carriage.
Preferably, the limiting rod penetrates through the connecting strip, the limiting rod is connected with the first carriage and the second carriage through threads, and the arc-shaped plate is attached to arc-shaped parts of four corners of the first carriage and the second carriage.
Preferably, the two side positions of the rubber baffle are arc-shaped, the shape of the rubber baffle is identical to the arc shape of the first carriage and the second carriage, the connecting plates are fixedly connected to the inner side positions of the two ends of the rubber baffle, and the screw holes are formed in the connecting plates.
Preferably, the arc-shaped parts of four corners of the first carriage and the second carriage are fixedly connected with mounting plates, and the mounting plates are connected with the edge positions of the two ends of the rubber baffle through bolts.
Preferably, the rubber baffle is elastic and deformed, and the four rubber baffles are closely connected.
Compared with the prior art, the invention has the beneficial effects that: the limiting rod is inserted into the connecting hole between the carriage and the connecting strip, then the limiting rod can be rotated through the arc plate, the limiting rod is further connected with the carriage through threads, the arc plate is rotated to be capable of being attached to the radian of the carriage through the limiting rod, the pulling force on the arc plate is withdrawn, then the arc plate is moved close to the limiting rod through the sliding rod under the action of the spring, the arc plate can be embedded into the carriage, the arc plate is identical to the radian of the carriage, wind resistance is reduced, when the arc plate needs to be detached, the buckling groove is buckled to pull out the arc plate, the thread position of the limiting rod can be detached from the carriage through the rotating arc plate, the disassembly and assembly are convenient, the disassembly and assembly efficiency of the drag reduction mechanism is greatly improved, and when the arc plate is assembled, the adjacent two rubber baffle plates are required to be installed through the position connection of the connecting plate, the wind resistance of the drag reduction mechanism is greatly reduced through the bolts and the screw holes, the wind resistance of the drag reduction mechanism can be rapidly and stably disassembled, the drag reduction mechanism is conveniently replaced and maintained when the rubber is used for a long time, the drag reduction mechanism is used, and the drag reduction mechanism is guaranteed to be conveniently and conveniently disassembled and maintained.
Of course, it is not necessary for any one product to practice the invention to achieve all of the advantages set forth above at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a view showing the combination of the connecting strip and the rubber stopper according to the present invention;
FIG. 3 is a view showing the combination of the arcuate plate and the slot of the present invention;
FIG. 4 is a view showing the combination of the rubber blade and the attachment mechanism of the present invention;
FIG. 5 is a view showing the combination of the rubber stopper and the connecting plate
In the drawings, the list of components represented by the various numbers is as follows:
1. a carriage I; 2. a carriage II; 3. a connecting strip; 4. a rubber baffle; 5. a connecting mechanism; 6. a connecting plate; 7. a mounting plate; 8. an arc-shaped plate; 9. a buckling groove; 10. a rod body; 11. a limiting rod; 12. a thread; 13. a spring; 14. a slide bar; 15. screw holes.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1 to 5, the present invention provides a technical scheme of a damping device between vehicles of a high-speed motor train unit: the vehicle comprises a first carriage 1 and a second carriage 2, wherein the first carriage 1 and the second carriage 2 are adjacently arranged, and a drag reduction mechanism is arranged between the first carriage 1 and the second carriage 2;
the rubber baffle 4 is arranged between two carriages through the connecting strip 3, the limiting rod 11 is inserted into the connecting hole between the carriage and the connecting strip 3, then the limiting rod 11 can be rotated through the arc plate 8, the limiting rod 11 is further connected with the carriage through the threads 12 in a threaded manner, when the arc plate 8 is rotated together through the limiting rod 11 to be capable of being jointed with the radian of the carriage, the pulling force on the arc plate 8 is removed, then the arc plate 8 is moved to a position close to the limiting rod 11 through the slide rod 14 under the action of the spring 13, the arc plate 8 can be embedded into the carriage, the radian of the arc plate is the same as that of the carriage, the arc plate is not protruded, wind resistance is reduced, when the arc plate 8 needs to be disassembled, the buckling groove 9 is buckled to pull the arc plate 8, and then the arc plate 11 can be disassembled from the carriage through the threads 12 of the limiting rod 11 through the rotation of the arc plate 8, the drag reduction mechanism comprises a connecting mechanism 5 and a wind shielding mechanism, wherein the connecting mechanism 5 comprises a limiting rod 11, threads 12, a slide rod 14, a spring 13, a rod body 10, an arc plate 8 and a buckling groove 9, the arc plate 8 is fixedly connected to one side surface of the rod body 10, the buckling groove 9 is formed in one side position of the inner part of the arc plate 8, the slide rod 14 is fixedly connected to one end surface of the rod body 10 far away from the arc plate 8, the slide rod 14 penetrates through one side position of the inner part of the limiting rod 11, the spring 13 is sleeved outside the slide rod 14, the spring 13 is positioned inside the limiting rod 11, the threads 12 are arranged at one end position of the outer part of the limiting rod 11 far away from the arc plate 8, the slide rod 14 is a square rod, the vertical section of the slide rod 14 is in a T-shaped structure, and the slide rod 14 is not separated from the limiting rod 11 all the time.
The wind shielding mechanism comprises a rubber baffle 4, connecting strips 3, connecting plates 6 and screw holes 15, the number of the wind shielding mechanisms is four, the wind shielding mechanisms respectively surround the edge positions between a first carriage 1 and a second carriage 2, one wind shielding mechanism is provided with two connecting strips 3, the connecting strips 3 are fixedly connected to the two ends of the rubber baffle 4, the connecting strips 3 are in contact with and embedded into the first carriage 1 and the second carriage 2, a limiting rod 11 penetrates through the connecting strips 3, the limiting rod 11 is connected with the first carriage 1 and the second carriage 2 through threads 15, and an arc-shaped plate 8 is attached to the arc-shaped parts of four corners of the first carriage 1 and the second carriage 2. The both sides position of rubber separation blade 4 all is the arc setting, and its shape is the same with the arc of carriage 1 and carriage two 2, and connecting plate 6 fixed connection is at the both ends inboard position of rubber separation blade 4, and screw 12 is seted up in the inside of connecting plate 6, and the four-sided angle arc part fixedly connected with mounting panel 7 of carriage 1 and carriage two 2, the both ends border position bolted connection of mounting panel 7 and rubber separation blade 4, rubber separation blade 4 elasticity and deformation are closely connected between four rubber separation blades 4.
One specific application of this embodiment is: in order to ensure that the two carriages are not subjected to wind resistance reduction, the gaps between the two carriages are required to be sealed, the rubber baffle 4 is firstly arranged between the two carriages through the connecting strip 3, the limiting rod 11 is inserted into a connecting hole between the carriage and the connecting strip 3, the limiting rod 11 can be rotated through the arc 8, the limiting rod 11 is further connected with the carriages through threads 12 in a threaded manner, the arc 8 is rotated to be capable of being attached to the radian of the carriage together through the limiting rod 11, the pulling force on the arc 8 is removed, the arc 8 is then moved by the sliding rod 14 under the action of the spring 13, the arc 8 can be embedded into the carriage, the radian of the arc 8 is identical to that of the carriage, the arc is not bulged, wind resistance is reduced, the buckling groove 9 is buckled to pull the arc 8 when the arc 8 is required to be detached, the arc 8 is rotated, the thread 12 of the limiting rod 11 can be detached from the screw hole, the carriage is convenient to detach, the dismounting efficiency of the drag reduction mechanism is greatly improved, the arc 4 is required to be installed, and the adjacent two rubber baffles are required to be connected with the connecting plate 4 through the bolt 15 and the connecting plate 15.
The product model provided by the invention is only used according to the structural characteristics of the product, the product can be adjusted and modified after being purchased so as to be more matched with and conform to the technical scheme of the invention, the product model is an optimal application technical scheme of the technical scheme, the product model can be replaced and modified according to the required technical parameters, and the product model is well known to a person skilled in the art, so that the person skilled in the art can clearly obtain the corresponding use effect through the technical scheme provided by the invention.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, 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 present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the invention disclosed above are intended only to assist in the explanation of the invention. The preferred embodiments are not exhaustive or to limit the invention to the precise form disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best understand and utilize the invention. The invention is limited only by the claims and the full scope and equivalents thereof.
Claims (5)
1. The utility model provides a damping device between high-speed EMUs vehicle, includes carriage one (1) and carriage two (2), its characterized in that: the first carriage (1) and the second carriage (2) are adjacently arranged, and a drag reduction mechanism is arranged between the first carriage and the second carriage;
the drag reduction mechanism comprises a connecting mechanism (5) and a wind shielding mechanism, the connecting mechanism (5) comprises a limiting rod (11), a thread (12), a sliding rod (14), a spring (13), a rod body (10), an arc plate (8) and a buckling groove (9), the arc plate (8) is fixedly connected to one side surface of the rod body (10), the buckling groove (9) is formed in one side position of the inside of the arc plate (8), the sliding rod (14) is fixedly connected to one side surface of the rod body (10) far away from the arc plate (8), the sliding rod (14) penetrates through one side position of the inside of the limiting rod (11), the spring (13) is sleeved outside the sliding rod (14), the spring (13) is located inside the limiting rod (11), and the thread (12) is arranged at one side position of the outside of the limiting rod (11) far away from the arc plate (8).
The wind shielding mechanism comprises a rubber baffle (4), a connecting strip (3), a connecting plate (6) and a screw hole (15);
the number of the wind shielding mechanisms is four, the wind shielding mechanisms respectively surround the edge positions between the first carriage (1) and the second carriage (2), one wind shielding mechanism is provided with two connecting strips (3), the connecting strips (3) are fixedly connected to the two end positions of the rubber baffle (4), and the connecting strips (3) are in contact embedded connection with the interiors of the first carriage (1) and the second carriage (2);
the limiting rod (11) penetrates through the connecting strip (3), the limiting rod (11) is connected with the first carriage (1) and the second carriage (2) through threads (15), and the arc-shaped plate (8) is attached to the arc-shaped parts of four corners of the first carriage (1) and the second carriage (2).
2. The drag reducing device between high-speed motor train unit vehicles according to claim 1, wherein: the sliding rod (14) is a square rod, the vertical section of the sliding rod (14) is in a T-shaped arrangement, and the sliding rod (14) is not separated from the limiting rod (11) all the time.
3. The drag reducing device between high-speed motor train unit vehicles according to claim 1, wherein: the two sides of the rubber baffle (4) are arc-shaped, the shape of the rubber baffle is identical to the arc shape of the first carriage (1) and the second carriage (2), the connecting plates (6) are fixedly connected to the inner sides of the two ends of the rubber baffle (4), and the screw holes (12) are formed in the connecting plates (6).
4. The drag reducing device between high-speed motor train unit vehicles according to claim 3, wherein: the four-corner arc-shaped parts of the carriage I (1) and the carriage II (2) are fixedly connected with mounting plates (7), and the mounting plates (7) are connected with the two end edge positions of the rubber baffle (4) through bolts.
5. The drag reducing device between high-speed motor train unit vehicles according to claim 1, wherein: the rubber baffle plates (4) are elastic and deformed, and the four rubber baffle plates (4) are closely connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211426030.XA CN115743201B (en) | 2022-11-14 | 2022-11-14 | Damping device between high-speed motor train unit vehicles |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211426030.XA CN115743201B (en) | 2022-11-14 | 2022-11-14 | Damping device between high-speed motor train unit vehicles |
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| CN115743201A CN115743201A (en) | 2023-03-07 |
| CN115743201B true CN115743201B (en) | 2023-07-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211426030.XA Active CN115743201B (en) | 2022-11-14 | 2022-11-14 | Damping device between high-speed motor train unit vehicles |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659262A (en) * | 2009-09-24 | 2010-03-03 | 唐山轨道客车有限责任公司 | Device for reducing drag between high-speed multiple unit trains |
| CN202541539U (en) * | 2012-03-28 | 2012-11-21 | 惟思得交通设备有限公司 | Damping device between high-speed motor train units |
| CN207747884U (en) * | 2018-01-04 | 2018-08-21 | 株洲九方制动设备有限公司 | A kind of outer hood and locomotive |
| CN109435988A (en) * | 2018-12-10 | 2019-03-08 | 中车长春轨道客车股份有限公司 | A kind of rail vehicle and its Che Duan windscreen mechanism |
| WO2020108898A1 (en) * | 2018-11-27 | 2020-06-04 | Siemens Mobility GmbH | Rail vehicle for passenger transport, with gangway connection |
| CN113442958A (en) * | 2021-07-22 | 2021-09-28 | 中车长春轨道客车股份有限公司 | Ice and snow preventing device for high-speed train reconnection end |
| CN215706300U (en) * | 2021-07-09 | 2022-02-01 | 青岛海思威尔环保科技有限公司 | EMUs head kuppe operating mechanism |
| CN217074331U (en) * | 2022-04-14 | 2022-07-29 | 青岛澳泰交通设备有限公司 | Low-temperature durability windshield for railway vehicle |
| CN115027517A (en) * | 2022-06-28 | 2022-09-09 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle outer windshield and railway vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102012205139A1 (en) * | 2012-03-29 | 2013-10-02 | Havelländische Eisenbahn AG | Transport container, vehicle, traction unit, method for loading a transport container and method for transporting bulk material |
-
2022
- 2022-11-14 CN CN202211426030.XA patent/CN115743201B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101659262A (en) * | 2009-09-24 | 2010-03-03 | 唐山轨道客车有限责任公司 | Device for reducing drag between high-speed multiple unit trains |
| CN202541539U (en) * | 2012-03-28 | 2012-11-21 | 惟思得交通设备有限公司 | Damping device between high-speed motor train units |
| CN207747884U (en) * | 2018-01-04 | 2018-08-21 | 株洲九方制动设备有限公司 | A kind of outer hood and locomotive |
| WO2020108898A1 (en) * | 2018-11-27 | 2020-06-04 | Siemens Mobility GmbH | Rail vehicle for passenger transport, with gangway connection |
| CN109435988A (en) * | 2018-12-10 | 2019-03-08 | 中车长春轨道客车股份有限公司 | A kind of rail vehicle and its Che Duan windscreen mechanism |
| CN215706300U (en) * | 2021-07-09 | 2022-02-01 | 青岛海思威尔环保科技有限公司 | EMUs head kuppe operating mechanism |
| CN113442958A (en) * | 2021-07-22 | 2021-09-28 | 中车长春轨道客车股份有限公司 | Ice and snow preventing device for high-speed train reconnection end |
| CN217074331U (en) * | 2022-04-14 | 2022-07-29 | 青岛澳泰交通设备有限公司 | Low-temperature durability windshield for railway vehicle |
| CN115027517A (en) * | 2022-06-28 | 2022-09-09 | 中车青岛四方机车车辆股份有限公司 | Railway vehicle outer windshield and railway vehicle |
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| CN115743201A (en) | 2023-03-07 |
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