CN110194188B - Application of flank lift force control mechanism on high-speed rail transit train - Google Patents
Application of flank lift force control mechanism on high-speed rail transit train Download PDFInfo
- Publication number
- CN110194188B CN110194188B CN201910571964.4A CN201910571964A CN110194188B CN 110194188 B CN110194188 B CN 110194188B CN 201910571964 A CN201910571964 A CN 201910571964A CN 110194188 B CN110194188 B CN 110194188B
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- 239000003638 chemical reducing agent Substances 0.000 claims description 12
- 238000005299 abrasion Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 abstract description 6
- 230000008602 contraction Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
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Abstract
The invention discloses an application of a flank lift force control mechanism on a high-speed rail transit train, which comprises a base, a wing plate rotating assembly and a wing plate telescopic assembly, wherein the wing plate rotating assembly is connected to the wing plate and drives the wing plate to rotate; the wing plate rotating assembly comprises a swing control box and a driving assembly positioned in the swing control box, and the driving assembly is connected with the wing plate; the wing plate telescopic assembly comprises a bearing rod and a telescopic piece which are respectively connected between the base and the swing control box, and the end part of the bearing rod, which is far away from the swing control box, extends into the base; the device is simple in structure and reliable and convenient to use, the expansion and the rotation of the wing plates are realized through the expansion and contraction components of the wing plates and the rotation of the wing plates in different directions, and therefore the lifting force of the head car and the tail car is regulated to keep the stability of the whole running of the train.
Description
Technical Field
The invention relates to the technical field of rail vehicles, in particular to application of a flank lift force control mechanism to a high-speed rail transit train.
Background
For a high-speed rail transit train, when the high-speed train runs, the aerodynamic lift force borne by the head train is downward, so that abrasion between wheel tracks of the train is increased, and the service lives of train wheels and the tracks are shortened to a certain extent; the pneumatic lifting force applied to the tail car is upward, so that the train is somewhat "wafted" during running, the running stability of the tail car is reduced, and the running safety of the train is reduced.
Disclosure of Invention
The invention aims to provide an application of a flank lift force control mechanism on a high-speed rail transit train, so as to solve the problems of low stability and easy abrasion of a train wheel track in the running of the existing high-speed train.
The technical scheme for solving the technical problems is as follows: the application of the flank lift force control mechanism on the high-speed rail transit train comprises a base, a wing plate rotating assembly connected to the wing plate and driving the wing plate to rotate, and a wing plate telescopic assembly connected between the wing plate rotating assembly and the base;
The wing plate rotating assembly comprises a swing control box and a driving assembly positioned in the swing control box, and the driving assembly is connected with the wing plate;
The wing plate telescopic assembly comprises a bearing rod and a telescopic piece which are respectively connected between the base and the swing control box, and the end part of the bearing rod, which is far away from the swing control box, extends into the base.
Further, the drive assembly comprises a stepping motor arranged in the swing control box and a worm gear reducer matched and connected with the stepping motor, a rotating shaft is arranged at the output end of the worm gear reducer, and the wing plate is connected to the rotating shaft.
Further, a guide groove matched with the bearing rod is formed in the base, and the bearing rod slides along the guide groove.
Further, a baffle is arranged on the end face, close to the swing control box, of the wing plate, and the end part, far away from the worm gear reducer, of the rotating shaft penetrates through the baffle and is connected with the wing plate.
Further, the upper end face and the lower end face of the wing plate are of arc-shaped structures.
Further, the telescopic piece is a hydraulic cylinder or an electric cylinder or an air cylinder.
Further, the number of the bearing rods is two, and the two bearing rods are respectively positioned at two sides of the telescopic piece.
The invention has the following beneficial effects: the wing lift force control mechanism provided by the invention is applied to a high-speed rail transit train, has a simple structure, is reliable and convenient to use, realizes the extension and rotation of the wing plates through the wing plate extension assembly and the wing plate rotation assembly, and can adjust the lift force of the head car and the tail car to keep the stability of the whole running of the train through the rotation of the wing plates in different directions; the wing plate rotates to generate upward lifting force for the opposite vehicle, so that the interaction force between the wheel rails of the train is reduced, the friction and abrasion between the wheel rails are reduced, and the service life is prolonged; the wing plate rotates to generate downward lifting force for the tail car, so that aerodynamic lifting force received by the tail car is effectively reduced, the running stability of the tail car is kept, and the running safety of the train is guaranteed.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic view of a vane rotating assembly according to the present invention;
FIG. 3 is a cross-sectional view of the present invention;
FIG. 4 is a schematic view of a hydraulic cylinder structure of the telescopic member according to the present invention;
FIG. 5 is a schematic view of a lift control mechanism installation in accordance with the present invention;
The reference numerals shown in fig. 1 to 5 are respectively expressed as: the device comprises a base, a 2-wing plate, a 3-wing plate rotating assembly, a 4-wing plate telescopic assembly, a 30-swing control box, a 40-bearing rod, a 41-telescopic piece, a 301-stepping motor, a 302-worm gear reducer and a 20-baffle plate.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
As shown in fig. 1 to 3, the application of the wing lift force control mechanism on the high-speed rail transit train comprises a base 1, a wing plate 2, a wing plate rotating assembly 3 connected to the wing plate 2 and driving the wing plate 2 to rotate, and a wing plate telescopic assembly 4 connected between the wing plate rotating assembly 3 and the base 1. The control mechanism is respectively arranged at the middle position of the head car and the middle position of the tail car of the train. The pterygoid lamina 2 sets up on the train car wall, and pterygoid lamina telescopic assembly 4 is used for carrying out flexible operation to pterygoid lamina 2, when being in non-operating condition, pterygoid lamina 2 shrink to contact with base 1, when being in operating condition, stretches through pterygoid lamina telescopic assembly 4 drive pterygoid lamina 2, and then through the rotatory certain angle of pterygoid lamina 2 of pterygoid lamina rotating assembly 3 drive, the rotatory ability of pterygoid lamina 2 produces upwards or decurrent lift to reduce the effort between the wheel rail, reduce frictional wear between the wheel rail and keep the train wholly stable. For the maglev train, the adjustment of the lift force of the head and tail trains can keep the suspension stability of the maglev train.
The wing plate rotating assembly 3 comprises a swing control box 30 and a driving assembly positioned in the swing control box 30, and the driving assembly is connected with the wing plate 2. The swing control box 30 is connected with the base 1 through the wing plate telescopic component 4, the swing control box 30 provides protection for the driving component, and the phenomenon that impurities in the external environment enter the driving component to influence the normal operation of the driving component is avoided; the driving assembly comprises a stepping motor 301 arranged in the swing control box 30 and a worm gear reducer 302 in matched connection with the stepping motor 301, a rotating shaft is arranged at the output end of the worm gear reducer 302, and the wing plate 2 is connected to the rotating shaft. During operation, rotation output by the stepping motor 301 is transmitted to the rotating shaft after being decelerated by the worm gear reducer 302 and drives the rotating shaft to rotate, the wing plate 2 is driven to rotate by a certain angle under the rotation of the rotating shaft, wherein the stepping motor 301 is in communication connection with an encoder, the stepping motor 301 is matched with the encoder to operate through a PLC controller, the stepping motor 301 is an executing element, the encoder belongs to a feedback system, the PLC sends pulse instructions to the stepping motor 301, when the encoder detects that the stepping motor 301 operates to a position needing to be reached, a signal is fed back to the PLC, the PLC detects the signal and stops sending the pulse signal to the stepping motor 301, and the stepping motor 301 stops rotating, so that the wing plate 2 rotates to a required angle, and accurate control of the rotation angle of the wing plate 2 is ensured.
The wing plate telescopic assembly 4 comprises a bearing rod 40 and a telescopic piece 41 which are respectively connected between the base 1 and the swing control box 30, and the end part of the bearing rod 40, which is far away from the swing control box 30, extends into the base 1. The base 1 is provided with a guide groove matched with the bearing rod 40, and the bearing rod 40 can slide along the guide groove. The telescopic part 41 is a driving part, and can be an air cylinder, a hydraulic cylinder or an electric cylinder, preferably the telescopic part 41 is a hydraulic cylinder, a cylinder barrel of the hydraulic cylinder is positioned in the base 1, the end part of a piston rod is connected with the swing control box 30, the action of the hydraulic cylinder is driven by the existing hydraulic system, as shown in fig. 4, the hydraulic system comprises an oil cylinder, an oil pump, a three-position four-way valve, a one-way valve and the like, the hydraulic cylinder is connected with the three-position four-way valve, the three-position four-way valve is connected with the one-way speed regulating valve, the one-way speed regulating valve 12 is connected with the oil pump 14, pressure oil is provided for the hydraulic system, the movement speed of the piston rod of the hydraulic cylinder is regulated, and the one-way speed regulating valve can control the flow rate of hydraulic pressure. The hydraulic cylinder is internally provided with a limit switch, when the hydraulic cylinder works, the oil pump is connected with the three-position four-way valve through the one-way speed regulating valve, the oil pump is used for feeding oil into the small cylinder in the hydraulic cylinder, the piston is pushed to move inwards, the force-bearing rod 40 moves inwards along the track inside the base 1, after the top of the force-bearing rod 40 touches the limit switch, the oil pump is stopped, and the wing plate 2 returns to the initial position. When the oil pump feeds oil to a large cylinder in the hydraulic cylinder, the piston rod is pushed to move outwards, so that the force-bearing rod 40 moves outwards along the base 1 to drive the wing plate 2 to move outwards, and further the rotation of the wing plate 2 is driven by the stepping motor 301 and the worm gear reducer 302.
In order to improve the reliability of the connection between the wing plate 2 and the train, in the invention, a baffle plate 20 is arranged on the end surface of the wing plate 2 close to the swing control box 30, and the end part of the rotating shaft, which is far away from the worm gear reducer 302, penetrates through the baffle plate 20 and is connected with the wing plate 2. The baffle 20 is fixed on the outer wall of the train, and in the working state, the baffle 20 is kept motionless, the wing plate 2 rotates relative to the baffle 20, the direct friction between the wing plate 2 and the train wall is avoided through the baffle 20, and the usability of the wing plate 2 is improved.
In order to improve the usability of the wing plate 2, the upper end face and the lower end face of the wing plate 2 are arc-shaped structures.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (6)
1. The application of the flank lift force control mechanism on the high-speed rail transit train is characterized in that the flank lift force control mechanism comprises a base (1), a wing plate (2), a wing plate rotating assembly (3) connected to the wing plate (2) and used for driving the wing plate (2) to rotate, and a wing plate telescopic assembly (4) connected between the wing plate rotating assembly (3) and the base (1);
the wing plate rotating assembly (3) comprises a swing control box (30) and a driving assembly positioned in the swing control box (30), and the driving assembly is connected with the wing plate (2);
the wing plate telescopic assembly (4) comprises a bearing rod (40) and a telescopic piece (41) which are respectively connected between the base (1) and the swing control box (30), and the end part of the bearing rod (40) far away from the swing control box (30) extends into the base (1);
The driving assembly comprises a stepping motor (301) arranged in the swing control box (30) and a worm gear reducer (302) which is connected with the stepping motor (301) in a matching way, a rotating shaft is arranged at the output end of the worm gear reducer (302), the wing plate (2) is connected to the rotating shaft, and the rotating shaft is arranged in an extending mode along the extending direction of the wing plate extending and contracting assembly (4);
The wing plate (2) rotates to generate upward lifting force on the head car, so that friction and abrasion between wheel rails are reduced; the wing plate (2) rotates to generate downward lifting force for the tail car, so that the aerodynamic lifting force applied to the tail car is reduced.
2. The use of a wing lift control mechanism according to claim 1 on a high speed rail transit train, characterized in that a guide slot is provided in the base (1) which cooperates with the load bar (40), and the load bar (40) slides along the guide slot.
3. The use of a wing lift control mechanism according to claim 1 on a high speed rail transit train, characterized in that a baffle plate (20) is arranged on the end surface of the wing plate (2) close to the swing control box (30), and the end part of the rotating shaft, which is far away from the worm gear reducer (302), penetrates through the baffle plate (20) and is connected with the wing plate (2).
4. The use of a wing lift control mechanism according to any one of claims 1 to 3 on a high speed rail transit train, wherein the upper end face and the lower end face of the wing plate (2) are both arc-shaped structures.
5. Use of a wing lift control mechanism according to claim 4 on a high speed rail transit train, characterized in that the telescopic element (41) is a hydraulic or electric or air cylinder.
6. The use of a wing lift control mechanism according to claim 4 on a high speed rail transit train, wherein the number of the load carrying bars (40) is two and the load carrying bars are respectively located at two sides of the telescopic member (41).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571964.4A CN110194188B (en) | 2019-06-28 | 2019-06-28 | Application of flank lift force control mechanism on high-speed rail transit train |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910571964.4A CN110194188B (en) | 2019-06-28 | 2019-06-28 | Application of flank lift force control mechanism on high-speed rail transit train |
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| Publication Number | Publication Date |
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| CN110194188A CN110194188A (en) | 2019-09-03 |
| CN110194188B true CN110194188B (en) | 2024-05-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910571964.4A Active CN110194188B (en) | 2019-06-28 | 2019-06-28 | Application of flank lift force control mechanism on high-speed rail transit train |
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| CN114954546A (en) * | 2022-07-04 | 2022-08-30 | 中南大学 | Method, computer device and storage medium for controlling a lifting wing of a high speed train |
| CN115214730B (en) * | 2022-08-23 | 2023-09-19 | 中南大学 | Method for resisting crosswind of high-speed train and wing |
| CN115158376B (en) * | 2022-08-23 | 2023-09-19 | 中南大学 | Transverse wind resistant vertical telescopic wing of high-speed train and control method |
| CN115214729B (en) * | 2022-08-23 | 2023-09-19 | 中南大学 | High-speed train anti-crosswind overturning telescopic wing |
| CN115158377B (en) * | 2022-08-23 | 2023-11-28 | 中南大学 | Method for resisting crosswind of high-speed train and reversible wing |
| CN115421426B (en) * | 2022-09-27 | 2023-07-11 | 兰州交通大学 | Mounting arrangement and cooperative control method for high-speed train flank lift force regulating device |
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