CN211844415U - Aerodynamic speed-increasing wheel-rail high-speed train - Google Patents
Aerodynamic speed-increasing wheel-rail high-speed train Download PDFInfo
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- CN211844415U CN211844415U CN202020372177.5U CN202020372177U CN211844415U CN 211844415 U CN211844415 U CN 211844415U CN 202020372177 U CN202020372177 U CN 202020372177U CN 211844415 U CN211844415 U CN 211844415U
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- speed
- air
- duct
- aerodynamic
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Abstract
The utility model discloses an aerodynamic accelerating wheel-rail high-speed train, which is provided with an air injection device; the air injection device is used for reversely injecting high-speed air flow to the running direction of the train to push the train to run in an accelerated manner. The high-speed airflow is sprayed out in the opposite direction of the running direction by the air spraying device, and the acting force in the running direction of the train is increased by the high-speed airflow, so that the running speed of the train can be increased; the speed of the train is increased. When the train runs at a high speed, the side surface of the train can form larger air pressure, and when the air injection device injects air in the reverse direction, the air pressure formed by the high-speed running of the train can increase the thrust on the train, so that the speed of the train is further increased.
Description
Technical Field
The utility model relates to a high-speed train field, concretely relates to high-speed train of wheel rail of aerodynamic acceleration rate.
Background
High-speed rails have become a major vehicle in life. When a high-speed train normally runs, the running resistance generally comprises wheel-rail rolling resistance, air resistance, ramp resistance and inertia resistance during acceleration, and when the high-speed train runs at a low speed, the wheel-rail resistance accounts for the main part, but the air resistance is increased along with the increase of the running speed of the train, and when the speed of the train exceeds 200 km/h, the air resistance becomes the main part of the running resistance of the train. At speeds above 300 km/h, more than 90% of the drag comes from air resistance. The air resistance of a high-speed train of 400 km can exceed 90%.
When the resistance and the friction force between the wheels of the train and the track are balanced in the process of high-speed running of the train, the wheels and the track can slip when the rotating speed of the wheels of the train is increased, and the running speed of the train cannot be increased; the running speed of the train is limited.
SUMMERY OF THE UTILITY MODEL
The utility model discloses the technical problem that will solve lies in: the aerodynamic accelerating wheel-rail high-speed train is provided to solve the problem that the high-speed train is limited in speed acceleration due to overlarge resistance when running at high speed.
In order to solve the technical problem, the technical scheme of the utility model is that: an air jet device is arranged on the train; the air injection device is used for reversely injecting high-speed air flow to the running direction of the train to push the train to run in an accelerated manner.
Further, the air injection device is arranged at the top of the train.
Further, the air injection device is an electric turbofan, an electric ducted fan or an air circulation fan; when the electric turbofan, the electric ducted fan or the air circulation fan runs at a high speed, reverse airflow is formed.
Further, the air injection device comprises a mounting seat, a duct main body, a motor and fan blades; the mounting seat is arranged on the train, the duct main body is arranged on the mounting seat and provided with a duct, at least one group of mounting and supporting pieces consisting of a plurality of mounting rib plates are arranged in the duct, the motor is arranged on the mounting and supporting pieces, and the fan blades are arranged on a rotating shaft of the motor.
Further, the shape of the duct main body is rugby; the duct runs through the two ends of the duct main body; a plurality of air inlet holes are uniformly distributed at the air inlet end of the duct main body and communicated with the duct, and the air inlet holes are parallel to the duct.
Further, the air injection device is arranged on a rotating mechanism, the rotating mechanism is arranged in the train and is used for driving the air injection device to rotate 180 degrees.
Furthermore, a plurality of pairs of air injection devices are arranged at the top of the train, and each pair of air injection devices comprises two air injection devices which are oppositely arranged; every the bottom of air jet system is connected with folding mechanism, folding mechanism is used for supporting the air jet system with the air jet system is received and is put in the holding cavity at train top.
Further, the folding mechanism comprises a first connecting arm, a second connecting arm and an oil hydraulic cylinder; the first connecting arm and the second connecting arm are pivoted in a scissor shape, and two ends of the first connecting arm are respectively pivoted at the bottom of the air injection device and the bottom of the accommodating cavity; the bottom of the air injection device and the bottom of the containing cavity are provided with slideways, two ends of the second connecting arm are respectively arranged in the slideways in a sliding mode, one end of the oil hydraulic cylinder is pivoted to the bottom of the containing cavity, and the other end of the oil hydraulic cylinder is pivoted to the upper end of the second connecting arm.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. the train is additionally provided with the air injection device, and high-speed airflow is sprayed in the opposite direction of the running direction by the air injection device in the running process of the train, and the acting force in the running direction of the train can be increased by the high-speed airflow, so that the running speed of the train can be increased; the speed of the train is increased.
2. When the train runs at a high speed, the side surface of the train can form larger air pressure, and when the air injection device injects air in the reverse direction, the air pressure formed by the high-speed running of the train can increase the thrust on the train, so that the speed of the train is further increased.
Drawings
FIG. 1 is a schematic view of an aerodynamic speed-up wheeltrack high-speed train of the present invention;
FIG. 2 is an internal structure view of the air jet device of the aerodynamic speed-increasing wheel-rail high-speed train of the present invention;
FIG. 3 is a schematic structural view of the aerodynamic speed-increasing wheel-rail high-speed train of the present invention, in which the air injection device is arranged on the rotating mechanism;
fig. 4 is a schematic structural view of the aerodynamic speed-increasing wheel-rail high-speed train of the present invention, wherein the air injection device is arranged on the folding mechanism.
Detailed Description
The following detailed description will be further described in conjunction with the above-identified drawings.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the concepts underlying the described embodiments. It will be apparent, however, to one skilled in the art, that the described embodiments may be practiced without some or all of these specific details. In other instances, well known process steps have not been described in detail.
In an embodiment of the present invention, as shown in fig. 1, an aerodynamic acceleration wheel-rail high-speed train is provided with an air injection device 200 on a train 100. The air jet device 200 is used for reversely jetting high-speed air flow to the running direction of the train 100 to push the train 100 to run at an accelerated speed. Specifically, at a high speed of the train 100, the air jet device 200 jets high-speed air flow in a reverse direction, the air flow interacts with the air, so that thrust in the traveling direction is generated on the train 100, and when the friction force or the adhesive force and the resistance between the wheels of the train 100 and the rail are balanced, the train can be accelerated through the thrust of the air flow, so that the train can be accelerated.
Further, the air injection device 200 is disposed at the top of the train 100. In the embodiment, the air injection device 200 is arranged on the roof, so that the occupied space is reduced, and the air injection device is arranged on the roof, so that the running stability of the train 100 can be effectively ensured, and the derailment problem can be effectively prevented.
Further, the air injection device 200 is an electric turbofan, an electric ducted fan or an air circulation fan; when the electric turbofan, the electric ducted fan or the air circulation fan runs at a high speed, reverse airflow is formed. In the embodiment, the fan blades in the electric worm fan, the electric ducted fan or the air circulation fan rotate at high speed, so that reverse high-speed airflow is formed. In addition, when the train runs at a high speed, air pressure towards the center of the train is generated, so that the train is soaked in air flow which is larger than the atmospheric pressure relative to the train, and the resistance of the train is large; through the high-speed operation of air jet system 200, can inhale the air that is located its the place ahead and produce the air current backward, can not only reduce the atmospheric pressure of place ahead air current to be higher than the air current blowout backward with the place ahead, accelerated the effort to the train, and then increase the thrust to the train.
Further, another embodiment of the air injection device 200, referring to fig. 2, includes a mounting seat 201, a duct main body 202, a motor 203, and fan blades 204; the mounting seat 201 is arranged on the train 100, the duct main body 202 is arranged on the mounting seat 201, the duct main body 202 is provided with a duct 205, at least one group of mounting and supporting members 206 consisting of a plurality of mounting rib plates are arranged in the duct 205, the motor 203 is arranged on the mounting and supporting members 206, and the fan blades 204 are arranged on a rotating shaft of the motor 203. In this embodiment, the fan blades 204 are driven by the motor 203 to rotate at a high speed, so that the air in front of the duct body 202 is sucked into the duct 205 and is ejected from the tail end of the duct 205 to form a high-speed airflow.
Further, referring to fig. 2, the bypass body 202 has a football shape. By providing the football shape, the resistance of the air can be reduced. The duct 205 penetrates both ends of the duct body 202; a plurality of air inlet holes 207 are uniformly distributed at the air inlet end of the duct main body 202, the air inlet holes 207 are communicated with the duct 205, and the air inlet holes 207 are parallel to the duct 205. In this embodiment, the air inlet holes 207 are additionally formed at the air inlet end, so that the passage area of air entering the duct 205 is increased, the air inlet volume is increased, the pressure and the speed of the air flow ejected by the duct are increased, and the air inlet holes 207 are arranged in parallel with the duct 205, so that the resistance of the inner wall of the air inlet holes 207 can be reduced.
Further, referring to fig. 3, the air injection device 200 is disposed on a rotating mechanism 300, the rotating mechanism 300 is disposed in the train 100, and the rotating mechanism 300 is configured to drive the air injection device 200 to rotate 180 °. In this embodiment, since the two ends of the high-speed train are both the car head and the car tail, the rotation of the air injection device 200 by 180 ° is realized by the rotating mechanism 300, so that the air injection device 200 can be used in two directions.
Further, referring to fig. 4, a plurality of pairs of air injection devices 200 are disposed on the top of the train 100, and each pair of air injection devices 200 includes two air injection devices 200 disposed oppositely; the bottom of each air injection device 200 is connected with a folding mechanism 400, and the folding mechanism 400 is used for supporting the air injection device 200 and storing the air injection device 200 in the accommodating cavity 101 at the top of the train 100. In this embodiment, during the running process of the train 100, the folding mechanism 400 pushes the air injection device 200 opposite to the running direction out of the accommodating cavity 101, so as to provide thrust for the train 100. In addition, in this embodiment, when the train 100 decelerates, the other air jet device 200 is ejected with a high-speed airflow in the traveling direction by the folding mechanism 400, so that the resistance of the air is increased, and the train 100 can be decelerated.
Further, the folding mechanism 400 includes a first connecting arm 401, a second connecting arm 402, and an oil pressure cylinder 403. The first connecting arm 401 and the second connecting arm 402 are pivotally connected in a scissor-like manner, and two ends of the first connecting arm 401 are respectively pivotally connected to the bottom of the air injection device 200 and the bottom of the accommodating cavity 101. The bottom of the air injection device 200 and the bottom of the accommodating cavity 101 are both provided with slideways, two ends of the second connecting arm 402 are respectively and slidably arranged in the corresponding slideways, one end of the oil hydraulic cylinder 403 is pivoted at the bottom of the accommodating cavity 101, and the other end of the oil hydraulic cylinder is pivoted with the upper end of the second connecting arm 402. In this embodiment, the oil hydraulic cylinder 403 pushes the second connecting arm 402, so as to push the air injection device 200 to ascend and descend.
Further, the aerodynamic acceleration wheel-rail high-speed train can also directly provide thrust for the train 100 through the air injection device 200, so that the train 100 is pushed to run.
The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative labor from the above conception, and all the changes fall within the protection scope of the present invention.
Claims (8)
1. An aerodynamic speed-increasing wheel-rail high-speed train is characterized in that an air injection device is arranged on the train; the air injection device is used for reversely injecting high-speed air flow to the running direction of the train to push the train to run in an accelerated manner.
2. An aerodynamic accelerating wheel track high speed train as defined in claim 1 in which the air jet means is located at the top of the train.
3. The aerodynamic accelerated wheel-track high-speed train of claim 1, wherein the air jet device is an electric turbofan, an electric ducted fan, or an air circulation fan; when the electric turbofan, the electric ducted fan or the air circulation fan runs at a high speed, reverse airflow is formed.
4. The aerodynamic boosted wheel-track high-speed train of claim 1, wherein the air jet device comprises a mounting seat, a duct body, a motor and fan blades; the mounting seat is arranged on the train, the duct main body is arranged on the mounting seat and provided with a duct, at least one group of mounting and supporting pieces consisting of a plurality of mounting rib plates are arranged in the duct, the motor is arranged on the mounting and supporting pieces, and the fan blades are arranged on a rotating shaft of the motor.
5. The aerodynamic accelerated wheel-track high-speed train of claim 4, wherein the duct body is football-shaped; the duct runs through the two ends of the duct main body; a plurality of air inlet holes are uniformly distributed at the air inlet end of the duct main body and communicated with the duct, and the air inlet holes are parallel to the duct.
6. The aerodynamic speed-increasing wheel-track high-speed train as claimed in any one of claims 1 to 5, wherein the air jet device is arranged on a rotating mechanism, the rotating mechanism is arranged in the train, and the rotating mechanism is used for driving the air jet device to rotate 180 degrees.
7. The aerodynamic speed-increasing wheel-track high-speed train as claimed in any one of claims 1 to 5, wherein a plurality of pairs of air injection devices are arranged on the top of the train, and each pair of air injection devices comprises two opposite air injection devices; every the bottom of air jet system is connected with folding mechanism, folding mechanism is used for supporting the air jet system with the air jet system is received and is put in the holding cavity at train top.
8. The aerodynamic boosted wheel-track high-speed train of claim 7, wherein the folding mechanism includes a first link arm, a second link arm, and an oil hydraulic cylinder; the first connecting arm and the second connecting arm are pivoted in a scissor shape, and two ends of the first connecting arm are respectively pivoted at the bottom of the air injection device and the bottom of the accommodating cavity; the bottom of the air injection device and the bottom of the containing cavity are provided with slideways, two ends of the second connecting arm are respectively arranged in the slideways in a sliding mode, one end of the oil hydraulic cylinder is pivoted to the bottom of the containing cavity, and the other end of the oil hydraulic cylinder is pivoted to the upper end of the second connecting arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020372177.5U CN211844415U (en) | 2020-03-21 | 2020-03-21 | Aerodynamic speed-increasing wheel-rail high-speed train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020372177.5U CN211844415U (en) | 2020-03-21 | 2020-03-21 | Aerodynamic speed-increasing wheel-rail high-speed train |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211844415U true CN211844415U (en) | 2020-11-03 |
Family
ID=73135606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020372177.5U Expired - Fee Related CN211844415U (en) | 2020-03-21 | 2020-03-21 | Aerodynamic speed-increasing wheel-rail high-speed train |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211844415U (en) |
-
2020
- 2020-03-21 CN CN202020372177.5U patent/CN211844415U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201103 |