High-speed train wing adjustment device

Abstract

The present invention belongs to the technical field of high-speed trains, and in particular relates to a wing adjustment device for a high-speed train; it comprises a telescopic wing, a lifting and pitching adjustment mechanism, which adjusts the height and pitch angle of the telescopic wing in the vertical direction to provide lift or air resistance for the train; a rotating seat, which is arranged at the bottom of the lifting and pitching adjustment mechanism and is used to support the lifting and pitching adjustment mechanism; a rotating mechanism, which is arranged below the rotating seat, and the rotating mechanism drives the rotating seat to rotate, thereby driving the telescopic wing to rotate and resisting the lateral force of the crosswind; the wing can be pitched, lifted, and rotated, etc., as a single action or a combination of actions according to the actual operating environment and operating requirements of the train, and the flow state of the airflow above and below the wing is changed by controlling and adjusting the posture of the wing, thereby changing the force applied by the wing to the train, thereby achieving the goal of regulating the operation and braking of the high-speed train.

Description

Technical Field

[0001] The present invention belongs to the technical field of high-speed trains, and in particular relates to a wing adjustment device for a high-speed train. Background Art

[0002] With the rapid development of domestic high-speed railways, train speeds are constantly increasing. Research data shows that increased speeds increase the frequency of wheel-rail contact, leading to increasingly severe damage caused by rolling contact fatigue. This in turn increases rail wear, increasing the cost of high-speed railway operations and maintenance and posing a safety hazard. Furthermore, the kinetic energy required for high-speed train operation consumes more energy. Higher speeds result in longer braking distances and greater braking energy consumption, making it impossible to brake quickly in emergencies. When high-speed trains encounter crosswinds, their instability increases, further increasing the risk of derailment and compromising train safety.

[0003] When high-speed trains are in operation, they are subject to tremendous forces from airflow. Most of these forces affect the train's operation in the form of resistance and are not utilized effectively and efficiently. Therefore, as high-speed trains increase in speed, the rational use of aerodynamic forces in the surrounding environment can be considered to effectively reduce stress and wear between the wheels and rails, shorten braking distances, and save energy. This is of great significance to safe operation and low-carbon environmental protection.

[0004] Chinese patent CN115303304A discloses a high-speed train lift wing device, which includes a double-acting hydraulic lifting device and a rotary drive assembly, which drives the lift wing to move up and down. At the same time, the lift wing device can rotate and self-lock under the drive control of the rotary drive assembly. However, it cannot achieve the pitch of the lift wing and cannot provide braking force for the train by adjusting the pitch state, making it difficult to adapt to more train operation scenarios.

[0005] Chinese patent CN202175053U discloses a high-speed train wing device, in which a pitchable wing device is installed on the roof of the carriage. However, the wing pitch angle is single, and can only achieve a pitch of 30°, and cannot be changed to different pitch angles according to the actual operation of the train; multiple sets of wing devices are linked by the same operating mechanism, and the device size is large and inconvenient to install; multiple sets of wing devices of the same specifications are installed at the same horizontal height on the top of the car body, which easily causes the wing wake to affect other wings and roof equipment behind. Summary of the Invention

[0006] In response to the shortcomings of the existing technology, the present invention provides a high-speed train wing adjustment device that can perform pitch, lift, turn and other actions of the wing according to the actual operating environment and operating requirements of the train, adjust the posture of the wing to change the flow state of the airflow above and below the wing, and change the force exerted by the wing on the train, so as to achieve the goal of regulating the operation and braking of the high-speed train.

[0007] The present invention provides a high-speed train wing adjustment device, comprising:

[0008] The telescopic wing comprises a fixed rib assembly and telescopic rib assemblies symmetrically arranged on both sides of the fixed rib assembly;

[0009] A lifting and pitching adjustment mechanism is fixedly arranged at the bottom of the fixed wing rib assembly to adjust the height and pitch angle of the telescopic wing in the vertical direction to provide lift or air resistance for the train;

[0010] A rotating seat, provided at the bottom of the lifting and pitching adjustment mechanism, for supporting the lifting and pitching adjustment mechanism;

[0011] A rotating mechanism is provided below the rotating base, the rotating mechanism drives the rotating base to rotate, the rotating base drives the lifting and pitching adjustment mechanism to rotate, and further drives the telescopic wings to rotate to resist the lateral force of the crosswind;

[0012] in,

[0013] The lifting and pitching adjustment mechanism includes:

[0014] At least two telescopic cylinders are vertically arranged, comprising a cylinder barrel and a piston rod, and are used to adjust the vertical height and pitch angle of the telescopic wings;

[0015] a first ball head, comprising a first spherical end and a first fixed end, wherein the first fixed end is connected to the top of the piston rod of the telescopic cylinder, and the first spherical end is disposed in a first ball head hinge seat and contacts a spherical surface of the first ball head hinge seat;

[0016] a second ball head, comprising a second spherical end and a second fixed end, wherein the second fixed end is connected to the bottom of the cylinder barrel of the telescopic cylinder, and the second spherical end is disposed in the second ball joint seat and contacts the spherical surface of the second ball joint seat;

[0017] The top end of the first ball joint is fixed to the bottom of the fixed rib assembly, and the bottom end of the second ball joint is fixed to the rotating seat;

[0018] During the operation of the high-speed train, the telescopic cylinder adjusts the height of the telescopic wing according to the external environment and the running speed of the vehicle; the height difference of the telescopic cylinder, and the cooperation between the first ball head and the first ball head hinge seat, and the second ball head and the second ball head hinge seat adjust the pitch angle of the telescopic wing.

[0019] In the above technical solution, single or combined actions such as pitching, lifting, and rotating of the vehicle wings can be performed according to the actual operating environment and operating requirements of the train. By controlling and adjusting the posture of the vehicle wings, the flow state of the airflow above and below the wings can be changed, thereby changing the force exerted by the vehicle wings on the train, thereby achieving the goal of regulating the operation and braking of high-speed trains; effectively reducing the pressure on the wheels, alleviating wheel wear, better adapting to crosswind conditions, rationally utilizing air resistance to shorten the braking distance, improving the stability and safety of train operation, and reducing energy consumption and waste.

[0020] In some embodiments of the present application, in order to ensure that the telescopic wing can be lifted vertically without displacement in other directions, a vertical guide mechanism is further provided between the rotating seat and the fixed rib assembly. The vertical guide mechanism is passively lifted and lowered as the height of the telescopic wing changes, and plays a guiding role. The vertical guide mechanism includes

[0021] The guide cylinder is vertically arranged, with its bottom end fixed on the rotating seat and an accommodating cavity formed inside;

[0022] A guide rod is sleeved inside the accommodating cavity and moves up and down along the inner wall of the guide cylinder, and the top of the guide rod is fixed to the bottom of the fixed rib assembly;

[0023] a hydraulic buffer, disposed in the accommodating cavity and below the guide rod;

[0024] When the telescopic wing is subjected to impact load or vibration load, it can maintain the stability of the wing and has the characteristics of shock absorption and energy absorption. A flexible support structure is built for the telescopic wing, avoiding the problem of the rigid system's weak ability to resist vibration and impact load, and improving the overall service life of the structure.

[0025] In some embodiments of the present application, the rotating mechanism includes

[0026] Rotating motors,

[0027] a transmission shaft, one end of which is connected to the output shaft of the rotating motor and the other end of which is fixedly connected to the bottom of the rotating base;

[0028] The rotating motor drives the rotating seat to rotate to a desired position through the transmission shaft, and the lifting and pitching adjustment mechanism, the vertical guiding mechanism, and the telescopic wing rotate as a whole along with the rotating seat to adjust the angle of the vehicle wing.

[0029] In some embodiments of the present application, in order to make the lifting and pitching of the telescopic wings more stable, there are two groups of lifting and pitching mechanisms and two groups of vertical guiding mechanisms.

[0030] In some embodiments of the present application, the fixed rib assembly includes

[0031] A first fixed wing rib, located at the center of the fixed wing assembly, comprising two fixed wing ribs arranged in parallel;

[0032] The second fixed rib and the third fixed rib are symmetrically distributed on both sides of the first fixed rib. The first fixed rib, the second fixed rib and the third fixed rib are arranged in parallel.

[0033] In some embodiments of the present application, two ball joint mounting portions are symmetrically provided at the bottom of the first fixed rib along its length direction, and the ball joint mounting portions are fixed to the top end of the first ball joint seat;

[0034] The second fixed rib and the third fixed rib are both provided with a hinged mounting portion extending downward, and the hinged mounting portion is located at the center position of the second fixed rib and the third fixed rib. The top end of the guide rod of the vertical guide mechanism is provided with a hinged head, and the hinged mounting portion is hinged to the hinged head.

[0035] In some embodiments of the present application, an angle sensor is provided on one of the hinged mounting portions for monitoring the pitch angle of the telescopic wing in real time;

[0036] A position sensor is provided in the telescopic cylinder for monitoring the telescopic length data of the telescopic cylinder in real time.

[0037] In some embodiments of the present application, a wind direction and wind force monitoring device is provided on the high-speed train to monitor the wind direction and wind force in real time. When the high-speed train encounters a crosswind, the command signal module performs calculation and analysis, and outputs a signal to the motor controller. The motor controller drives the rotating motor to operate, and drives the rotating seat to rotate to an appropriate angle through the transmission shaft, so that the retractable wings are facing the crosswind direction.

[0038] In some embodiments of the present application, a force sensor is provided on the second ball joint seat for monitoring the stress state of the second ball joint seat in real time.

[0039] In some embodiments of the present application, the airfoil of the telescopic wing is a NACA airfoil. When air flows through the airfoil surface, the air flow rate on the upper surface of the wing is fast and the pressure is low, while the air flow rate on the lower surface of the wing is slow and the pressure is high. Under the action of the pressure difference between the upper and lower surfaces, the telescopic wing obtains upward lift.

[0040] In some embodiments of the present application, a lifting air guide cover and a pitch air guide cover are arranged between the telescopic wing and the rotating seat from bottom to top. The lifting air guide cover is a retractable structure, and the pitch air guide cover is elliptical and has a good aerodynamic shape. It can effectively cover the pitch lifting adjustment mechanism and the vertical guide mechanism, and can reduce the wind resistance of the overall structure.

[0041] Based on the above technical solution, the high-speed train wing adjustment device of the embodiment of the present invention has a simple and compact structure, is easy to install and control, and can simultaneously realize the pitch, lift, and steering functions of the retractable wing. Each function does not interfere with each other and can be performed synchronously, thereby improving the attitude adjustment response speed of the entire device.

[0042] The closed-loop control system collects and feeds back environmental data such as wind force and speed in real time during the actual operation of the train, and continuously corrects the attitude of the wing. Compared with open-loop control, it has higher accuracy, better stability and reliability, and can better ensure the driving safety of high-speed trains.

[0043] The lifting and pitching adjustment mechanism can realize the adjustable pitch angle function of the telescopic wings. It can ensure that the train can provide relatively stable and controllable lift or braking force for the train by adjusting the pitch angle of the telescopic wings in different speed ranges or wind conditions. This prevents the train from being in an uncontrollable state of force exerted by the wings on the train due to changes in external environmental input, thus ensuring the safety of train operation.

[0044] The rotating mechanism drives the telescopic wings to rotate as a whole, which has a stronger ability to reduce the impact of crosswind and tunnel wind on vehicle operation and has a wider environmental adaptability. The rotating shaft disc can be rotated to 180 degrees, thus meeting the wing layout requirements of bidirectional train travel;

[0045] The lift and pitch adjustment mechanism has the ability to correct deviations under the control of the control system. When the wing is affected by impact loads or vibration loads, it can correct deviations in real time through the closed-loop control system to maintain the stability of the wing.

[0046] The vertical guide mechanism is designed with a hydraulic buffer inside, which has the characteristics of shock absorption and energy absorption. It builds a flexible support structure for the telescopic wings, avoids the problem of the rigid system's weak ability to resist vibration and impact loads, and improves the overall service life of the structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings:

[0048] Figure 1A perspective view of a multifunctional vehicle wing adjustment device according to an embodiment of the present invention;

[0049] Figure 2 A schematic diagram of the positional relationship between the telescopic wing and the lifting and pitching adjustment mechanism of a multifunctional vehicle wing adjustment device according to an embodiment of the present invention;

[0050] Figure 3 A schematic diagram showing the positional relationship of fixed rib components of a multifunctional vehicle wing adjustment device according to an embodiment of the present invention;

[0051] Figure 4 This is a schematic diagram of the positional relationship of the rotating base, the lifting and pitching adjustment mechanism, and the vertical guiding mechanism according to an embodiment of the present invention;

[0052] Figure 5 This is a schematic structural diagram of a lift and pitch adjustment mechanism according to an embodiment of the present invention;

[0053] Figure 6 Schematic diagram of the structure of a vertical guide mechanism according to an embodiment of the present invention;

[0054] Figure 7 A longitudinal sectional view of a vertical guide mechanism according to an embodiment of the present invention;

[0055] Figure 8 A schematic structural diagram of a lifting fairing and a pitching fairing according to an embodiment of the present invention;

[0056] Figure 9 A schematic structural diagram of a lifting fairing and a pitching fairing according to an embodiment of the present invention from another perspective;

[0057] Figure 10 The figure is a schematic diagram of the motion relationship between the telescopic wings, the lifting and pitching adjustment mechanism, and the vertical guiding mechanism according to an embodiment of the present invention.

[0058] In the picture:

[0059] 10. Telescopic wing; 11. Fixed wing rib; 111. First fixed wing rib; 112. Second fixed wing rib; 113. Third fixed wing rib; 114. Ball joint mounting portion; 115. Hinge hole; 116. Hinge mounting portion; 117. Angle sensor; 20. Lift and pitch adjustment mechanism; 21. Rotating seat; 22. Telescopic cylinder; 221. Cylinder barrel; 222. Piston rod; 23. First ball head; 231. First spherical end; 232. First fixed Fixed end; 233, first ball head cover; 234, first ball head hinge seat; 24, second ball head; 243, second ball head cover; 244, second ball head hinge seat; 30, rotating mechanism; 31, rotating motor; 32, transmission shaft; 33, fixed seat; 40, vertical guide mechanism; 41, guide cylinder; 411, accommodating chamber; 42, guide rod; 421, single-ear hinge head; 43, hydraulic buffer; 50, lifting air deflector; 60, pitching air deflector. DETAILED DESCRIPTION

[0060] The following will provide a clear and complete description of the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of the present invention.

[0061] In the description of the present invention, it should be understood that the terms "center", "transverse", "longitudinal", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as limiting the present invention.

[0062] The terms "first," "second," and "third" are used for descriptive purposes only and should not be understood to indicate or imply relative importance or to implicitly specify the quantity of the technical features indicated. Therefore, a feature specified as "first," "second," or "third" may explicitly or implicitly include one or more of such features.

[0063] In the description of the present invention, it should be noted that, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to direct connections, indirect connections through an intermediary, or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0064] like Figure 1-7 As shown, as an embodiment of the present invention, a high-speed train wing adjustment device includes:

[0065] The telescopic wing 10 includes a fixed rib assembly 11 and telescopic rib assemblies (not shown) symmetrically arranged on both sides of the fixed rib assembly 11;

[0066] The lifting and pitching adjustment mechanism 20 is fixedly arranged at the bottom of the fixed rib assembly 11 and is used to adjust the height and pitch angle of the telescopic wing 10 in the vertical direction to provide lift or air resistance for the train;

[0067] A rotating seat 21 is provided at the bottom of the lifting and pitching adjustment mechanism 20 and is used to support the lifting and pitching adjustment mechanism 20;

[0068] The rotating mechanism 30 is provided below the rotating base 21. The rotating mechanism 30 drives the rotating base 21 to rotate. The rotating base 21 drives the lifting and pitching adjustment mechanism 20 to rotate, and further drives the telescopic wings 10 to rotate, so as to resist the lateral force of the crosswind.

[0069] in,

[0070] The lifting and pitching adjustment mechanism 20 is as follows: Figure 4-Figure 5 Shown, including,

[0071] There are two telescopic cylinders 22 in this embodiment, which are arranged vertically and include a cylinder barrel 221 and a piston rod 222, and are used to adjust the height of the telescopic wing 10 in the vertical direction;

[0072] The first ball head 23 includes a first spherical end 231 and a first fixed end 232. The first fixed end 232 is connected to the top of the piston rod 222 of the telescopic cylinder 22. The first spherical end 231 is in spherical contact with the first ball head hinge seat 234. The first ball head 23 is also provided with a first ball head cover 233. The first ball head cover 233 protects the first spherical end 231 and is fixed to the bottom surface of the first ball head hinge seat 234.

[0073] The second ball head (not shown) includes a second spherical end and a second fixed end. It has the same structure as the first ball head 23. The second fixed end is connected to the bottom of the cylinder barrel 222 of the telescopic cylinder 22, and the second spherical end is in spherical contact with the second ball head hinge seat 244. The second ball head 24 is also provided with a second ball head cover 243. The second ball head cover 243 protects the second spherical end and is fixed to the upper surface of the second ball head hinge seat 244.

[0074] The top end of the first ball joint seat 234 is fixed to the bottom of the fixed rib assembly 11, and the bottom end of the second ball joint seat 244 is fixed to the rotating seat 21;

[0075] During the operation of the high-speed train, the telescopic cylinder 22 is raised and lowered to adjust the height of the telescopic wing 10 according to the external environment and the operating speed of the vehicle; the pitch angle of the telescopic wing 10 is adjusted by the height difference of the telescopic cylinder 22, and the cooperation between the first ball head 23 and the first ball head hinge seat 234, and the second ball head 24 and the second ball head hinge seat 244.

[0076] The wing adjustment device in this embodiment can perform single or combined actions such as pitching, lifting, and rotating the wing according to the actual operating environment and operating requirements of the train. By controlling and adjusting the posture of the wing, the flow state of the airflow above and below the wing is changed, and then the force applied by the wing to the train is changed, thereby achieving the goal of regulating the operation and braking of the high-speed train; effectively reducing the pressure on the wheels, reducing wheel wear, better adapting to crosswind conditions, rationally utilizing air resistance to shorten the braking distance, improving the stability and safety of the train operation, and reducing energy consumption and waste.

[0077] In order to ensure that the telescopic wing 10 can be lifted vertically without displacement in other directions, a vertical guide mechanism 40 is provided between the rotating seat 21 and the fixed rib assembly 11. The vertical guide mechanism 40 is passively lifted and lowered as the height of the telescopic wing 10 changes, and plays a guiding role. Figure 6-Figure 7 As shown, the vertical guide mechanism 40 includes:

[0078] The guide cylinder 41 is vertically arranged, with its bottom end fixed on the rotating base 21 and an accommodating cavity 411 formed therein;

[0079] The guide rod 42 is sleeved inside the accommodating cavity 411 and moves up and down along the inner wall of the guide cylinder 41. The top of the guide rod 42 is fixed to the bottom of the fixed rib assembly 11.

[0080] The hydraulic buffer 43 is disposed in the accommodating cavity 411 and is located below the guide rod 42;

[0081] The setting of the hydraulic buffer 43 can maintain the stability of the telescopic wing 10 when it is affected by impact loads or vibration loads, and has the characteristics of shock absorption and energy absorption. It builds a flexible support structure for the telescopic wing, avoids the problem of the rigid system's weak ability to resist vibration and impact loads, and improves the overall service life of the structure.

[0082] When the train encounters an airflow with an angle deviation from its direction of travel during travel, the swivel seat 21 can be controlled to make the wing face the airflow direction, and the pitch attitude of the wing can be changed when necessary to provide downward pressure for the train, ensuring the stability of the train's travel, so that the high-speed train can better adapt to crosswind conditions during operation and improve operational safety. Figure 2 , the rotating mechanism 30 comprises:

[0083] The rotary motor 31 provides driving force for the rotation of the telescopic wings 10;

[0084] A transmission shaft 32, one end of which is connected to the output shaft of the rotating motor 31, and the other end is fixedly connected to the bottom of the rotating base 21;

[0085] In this embodiment, a fixed seat 33 is also included, which is installed on the roof frame. A through hole is opened on the fixed seat. The transmission shaft 32 passes through the through hole of the fixed seat 33 and is fixed to the rotating seat 21. The rotating motor 31 drives the rotating seat 21 to rotate a certain angle to the required position through the transmission shaft 32; the lifting and pitching adjustment mechanism 20, the vertical guide mechanism 40, and the telescopic wing 10 located above the rotating seat 21 rotate as a whole with the rotating seat 21 to adjust the angle of the vehicle wing.

[0086] In order to facilitate more precise adjustment of the pitch angle of the telescopic wing 10 and make the lifting and pitching of the telescopic wing 10 more stable, there are two sets of lifting and pitching mechanisms 20, located in the width direction of the telescopic wing 10, which are conducive to adjusting the pitch angle by height difference; there are two sets of vertical guide mechanisms 40, located in the length direction of the telescopic wing 10. On the rotating base 21, the pitch angle of the telescopic wing 10 is adjusted by adjusting the height difference of the telescopic cylinders 22 of the two sets of lifting and pitching mechanisms 20. The telescopic wing 10, the two lifting and pitching mechanisms 20, and the rotating base 21 at the bottom together form a four-bar linkage mechanism, such as Figure 10 As shown, when the two sets of lifting and pitching mechanisms 20 are at different heights, the telescopic wings present a certain pitch angle, and the vertical guide mechanism 40 passively rises and falls adaptively with the height of the lifting and pitching mechanisms 20, while also ensuring that the lifting direction is always in the vertical direction.

[0087] In this embodiment, the fixed rib assembly 11, such as Figure 3 Shown, including

[0088] The first fixed wing rib 111 is located at the center of the fixed wing assembly 11 and includes two fixed wing ribs arranged in parallel;

[0089] The second fixed rib 112 and the third fixed rib 113 are symmetrically distributed on both sides of the first fixed rib 111 . The first fixed rib 111 , the second fixed rib 112 , and the third fixed rib 113 are arranged in parallel.

[0090] To facilitate adjustment of the pitch angle of the telescopic wing 10, two ball joint mounting portions 114 are symmetrically provided at the bottom of the first fixed rib 111 along its length, and the ball joint mounting portions 114 are fixed to the top of the first ball joint seat 234;

[0091] The second fixed rib 112 and the third fixed rib 113 are both provided with a hinged mounting portion 116 extending downward. The hinged mounting portion 116 is located at the center of the second fixed rib 112 and the third fixed rib 113. A hinge hole 115 is provided on the hinged mounting portion 116. A single-ear hinged head 421 is provided at the top end of the guide rod 42 of the vertical guide mechanism 40. The hinged mounting portion 116 is hinged to the single-ear hinged head 421.

[0092] An angle sensor 117 is provided on one of the hinged mounting parts 116 for real-time monitoring of the pitch angle of the telescopic wing 10 ; a position sensor (not shown in the figure) is provided in the telescopic cylinder 22 for real-time monitoring of the telescopic length data of the telescopic cylinder 22 .

[0093] In this embodiment, the lifting and pitching adjustment mechanism 20 is precisely controlled by a control system. The control system includes a command signal module for outputting a command signal. The command signal is the pitch angle and overall height data required by the telescopic wings 10 obtained based on the wind direction and wind force experienced by the high-speed train and its own running speed data during the operation of the high-speed train.

[0094] The comparison module compares the command signal output by the command signal module with the current pitch angle and height data of the telescopic wing 10 collected in real time by the angle sensor 117 and the position sensor to obtain a deviation value;

[0095] The driver outputs the deviation value calculated by the comparison module to the driver, and the driver outputs an electrical signal after processing the deviation value;

[0096] The servo valve receives the electrical signal output by the driver, driving the valve core within the servo valve to move, regulating the amount of hydraulic oil entering the various telescopic cylinders 22 of the lift and pitch adjustment mechanism, causing the telescopic rods of the corresponding telescopic cylinders 22 to extend or retract, achieving the desired telescopic length as specified by the command signal. Before reaching the desired state, the angle sensor 117 and position sensor continuously collect real-time data on the current state and transmit the data to the comparison module. The comparison module continuously calculates and outputs deviation signals to the driver, adjusting the lift and pitch adjustment mechanism to reduce deviation until a steady state is reached. At this point, the lift and pitch adjustment mechanism 20 is locked in its extended and retracted state, and the telescopic wing 10, supported by the two sets of comparison modules and two sets of vertical guide mechanisms 40, maintains its locked attitude. Its pitch angle and overall height parameters remain unchanged, providing stable force for the high-speed train. Thereafter, the angle sensor 117 and position sensor continuously collect real-time data on the wing parameter state and transmit it to the comparison module. If any deviation occurs due to external environmental influences, the comparison module generates a difference signal and inputs it into the driver, controlling the servo valve to recalibrate its state until recovery. When the command signal module issues a new wing adjustment command, the lift and pitch adjustment mechanism 20 will repeat the aforementioned adjustment process. Throughout this wing adjustment process, the vertical guide mechanism 40 passively adjusts the height of the telescopic wing 10 as it changes, providing guidance. This structure and operational process ensure that the telescopic wing 10, through the combined action of the lift and pitch adjustment mechanism 20 and the vertical guide mechanism 40, can achieve both lift and pitch angle adjustment.

[0097] During the travel of high-speed train, sometimes crosswind situation is encountered, namely there is certain angle between wind direction and vehicle running direction, and sometimes crosswind can bring huge potential safety hazard to the safe travel of vehicle. Wind direction and wind force monitoring device (not shown) are provided with high-speed train, wind direction and wind force monitoring device are monitored in real time, when high-speed train encounters crosswind, wind direction and wind force monitoring device can collect wind direction, wind force data immediately, after command signal module carries out calculation and analysis, output signal is to motor controller, driven by motor controller to rotate rotary motor 31, drive rotating seat 21 to rotate suitable angle by transmission shaft 32, make described telescopic wing 10 just for crosswind direction, and be depression angle attitude, for vehicle provides downward pressure, to resist the lateral force of crosswind to high-speed train, reduce the risk of vehicle roll derailment. When high-speed train needs to turn direction of travel, control system can control rotating motor 31 to drive rotating seat 21 to rotate 180 °, to ensure that car wing all can bring into play its function when train travels in positive and negative directions.

[0098] In this embodiment, a force sensor (not shown in the figure) is provided on the second ball joint 244 for real-time monitoring of the stress state of the second ball joint and adjusting the height, pitch angle or rotation angle of the telescopic wing 10 according to the stress state data.

[0099] like Figure 1 As shown, a lift shroud 50 and a pitch shroud 60 are positioned from bottom to top between the telescopic wing 10 and the rotating base 21. The lift shroud 50 is a retractable structure that effectively shields the lift and pitch adjustment mechanism and the vertical guide mechanism, enveloping it while also rising and falling with the lift and pitch adjustment mechanism. The pitch shroud 60 is elliptical, offering a favorable aerodynamic shape. It can adjust the pitch angle along with the telescopic wing while also reducing overall wind resistance. Regardless of the telescopic wing's posture, the pitch shroud provides effective shielding without affecting the structure's other functions.

[0100] The retractable wing 10 uses a NACA airfoil. When air flows over the airfoil surface, the air velocity on the upper surface of the wing is high and the pressure is low, while the air velocity on the lower surface is slow and the pressure is high. This pressure difference between the upper and lower surfaces creates upward lift for the retractable wing 10. Within a certain range of pitch angles, at the same speed, the greater the pitch angle, the greater the lift generated by the wing. Therefore, by adjusting the pitch angle, high-speed trains can achieve essentially equal lift at different speeds, ensuring controllable lift and improving operational safety. The wing provides lift for the train and partially offsets its own weight, thereby reducing wear between the wheels and rails. When a high-speed train needs to brake, decelerate, or stop, the retractable wing 10 operates at a pitched position. The pressure on the upper surface of the wing is greater than the pressure on the lower surface. At this point, the wing experiences wind resistance and exerts downward pressure on the vehicle, providing braking force. Within a certain range of pitch angles, at the same speed, the greater the pitch angle, the greater the airflow resistance and the greater the braking force provided by the wing, thereby shortening the train's braking distance and deceleration time.

[0101] The multifunctional wing adjustment device of this embodiment is installed on top of a high-speed train and can perform single or combined actions such as raising, lowering, pitching, and rotating the wing while the train is running. By controlling and adjusting the posture of the retractable wing 10, the flow state of the airflow above and below the wing is changed, thereby changing the force exerted by the wing on the train, thereby achieving the goal of regulating the operation and braking of the high-speed train. When the high-speed train is moving forward, the wing is at an elevation angle, leveraging the high-speed airflow to provide the necessary lift for the entire vehicle. By leveraging wind power, the train's energy consumption is reduced, the pressure on the wheels is lowered, and the impact on the wheels is mitigated. The magnitude of the lift is controlled by adjusting the wing's elevation angle according to the actual operating environment and requirements, thereby preventing the train from derailing and improving the stability and safety of the train. When the train brakes, the wing is at an elevation angle, utilizing air resistance to brake, thereby shortening the braking distance. When the train encounters a crosswind, the wing can rotate as a whole to face the wind, providing force to resist the train's roll. When the wing's wake needs to be adjusted, the wing can be raised or lowered to reduce the impact on other wings and roof equipment behind it.

[0102] Based on the above technical solution, the high-speed train wing adjustment device of the embodiment of the present invention has a simple and compact structure, is easy to install and control, and can simultaneously realize the pitch, lift, and steering functions of the retractable wing. Each function does not interfere with each other and can be performed synchronously, thereby improving the attitude adjustment response speed of the entire device.

[0103] The closed-loop control system collects and feeds back environmental data such as wind force and speed in real time during the actual operation of the train, and continuously corrects the attitude of the wing. Compared with open-loop control, it has higher accuracy, better stability and reliability, and can better ensure the driving safety of high-speed trains.

[0104] The lifting and pitching adjustment mechanism can realize the adjustable pitch angle function of the telescopic wings. It can ensure that the train can provide relatively stable and controllable lift or braking force for the train by adjusting the pitch angle of the telescopic wings in different speed ranges or wind conditions. This prevents the train from being in an uncontrollable state of force exerted by the wings on the train due to changes in external environmental input, thus ensuring the safety of train operation.

[0105] The rotating mechanism drives the telescopic wings to rotate as a whole, which has a stronger ability to reduce the impact of crosswind and tunnel wind on vehicle operation and has a wider environmental adaptability. The rotating shaft disc can be rotated to 180 degrees, thus meeting the wing layout requirements of bidirectional train travel;

[0106] The lift and pitch adjustment mechanism has the ability to correct deviations under the control of the control system. When the wing is affected by impact loads or vibration loads, it can correct deviations in real time through the closed-loop control system to maintain the stability of the wing.

[0107] The vertical guide mechanism is designed with a hydraulic buffer inside, which has the characteristics of shock absorption and energy absorption. It builds a flexible support structure for the telescopic wings, avoids the problem of the rigid system's weak ability to resist vibration and impact loads, and improves the overall service life of the structure.

[0108] Finally, it should be noted that the various embodiments in this specification are described in a progressive manner, and each embodiment focuses on the differences from other embodiments. The same or similar parts between the various embodiments can be referenced to each other.

[0109] The above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit the same. Although the present invention has been described in detail with reference to preferred embodiments, persons skilled in the art should understand that the specific implementation methods of the present invention may still be modified or some technical features may be replaced by equivalents without departing from the spirit of the technical solutions of the present invention, and all of these should fall within the scope of the technical solutions claimed for protection by the present invention.

Claims

1. A high-speed train wing adjustment device, characterized in that: include, The telescopic wing comprises a fixed rib assembly and telescopic rib assemblies symmetrically arranged on both sides of the fixed rib assembly; A lifting and pitching adjustment mechanism is fixedly arranged at the bottom of the fixed wing rib assembly to adjust the height and pitch angle of the telescopic wing in the vertical direction to provide lift or air resistance for the train; A rotating seat, provided at the bottom of the lifting and pitching adjustment mechanism, for supporting the lifting and pitching adjustment mechanism; A rotating mechanism is provided below the rotating base, the rotating mechanism drives the rotating base to rotate, the rotating base drives the lifting and pitching adjustment mechanism to rotate, and further drives the telescopic wings to rotate to resist the lateral force of the crosswind; in, The lifting and pitching adjustment mechanism includes: A telescopic cylinder is arranged vertically and is used to adjust the height and pitch angle of the telescopic wing in the vertical direction; A ball hinge assembly is provided at the upper and lower ends of the telescopic cylinder, the top of the ball hinge assembly is fixed to the bottom of the fixed rib assembly, and the bottom end of the ball hinge assembly is fixed to the rotating seat; During the operation of the high-speed train, the telescopic cylinder adjusts the height and pitch angle of the telescopic wing according to the external environment and the running speed of the vehicle; A vertical guide mechanism is further provided between the rotating seat and the fixed wing rib assembly. The vertical guide mechanism is passively raised and lowered as the height of the telescopic wing changes, and plays a guiding role. The vertical guide mechanism includes: The guide cylinder is vertically arranged, with its bottom end fixed on the rotating seat and an accommodating cavity formed inside; The guide rod is sleeved inside the accommodating cavity and moves up and down along the inner wall of the guide cylinder, and the top of the guide rod is fixed to the bottom of the fixed rib assembly; A hydraulic buffer is disposed in the accommodating cavity and below the guide rod; The setting of hydraulic buffer can maintain the stability of the wing when the telescopic wing is affected by impact load or vibration load; There are two groups of lifting and pitching adjustment mechanisms, which are located in the width direction of the telescopic wing, and the pitch angle is adjusted by the height difference; there are two groups of vertical guiding mechanisms, which are located in the length direction of the telescopic wing; on the rotating seat, the pitch angle of the telescopic wing is adjusted by adjusting the height difference of the telescopic cylinders of the two groups of lifting and pitching adjustment mechanisms. The telescopic wing, the two lifting and pitching adjustment mechanisms and the rotating seat at the bottom together constitute a four-bar linkage mechanism. When the two groups of lifting and pitching adjustment mechanisms are at different heights, the telescopic wing presents a certain pitch angle, and the vertical guiding mechanism passively rises and falls adaptively with the height of the lifting and pitching adjustment mechanism, while also ensuring that the lifting direction is always in the vertical direction.

2. The high-speed train wing adjustment device according to claim 1, characterized in that: The ball joint assembly comprises: a first ball head, comprising a first spherical end and a first fixed end, wherein the first fixed end is connected to the top of the piston rod of the telescopic cylinder, and the first spherical end is disposed in a first ball head hinge seat and contacts a spherical surface of the first ball head hinge seat; A second ball head includes a second spherical end and a second fixed end, wherein the second fixed end is connected to the bottom of the cylinder barrel of the telescopic cylinder, and the second spherical end is disposed in a second ball head hinge seat and contacts a spherical surface of the second ball head hinge seat; The top end of the first ball joint is fixed to the bottom of the fixed wing rib assembly, and the bottom end of the second ball joint is fixed to the rotating seat; the telescopic cylinder, the first ball head and the first ball joint, and the second ball head and the second ball joint cooperate to adjust the height and pitch angle of the telescopic wing.

3. The high-speed train wing adjustment device according to claim 1, characterized in that: The rotating mechanism includes Rotating motors, a transmission shaft, one end of which is connected to the output shaft of the rotating motor and the other end of which is fixedly connected to the bottom of the rotating base; The rotating motor drives the rotating seat to rotate to a desired position through the transmission shaft, and the lifting and pitching adjustment mechanism, the vertical guiding mechanism, and the telescopic wing rotate as a whole along with the rotating seat to adjust the angle of the vehicle wing.

4. The high-speed train wing adjustment device according to claim 2, characterized in that: The fixed rib assembly includes A first fixed rib, located at the center of the fixed rib assembly, comprising two fixed ribs arranged in parallel; The second fixed rib and the third fixed rib are symmetrically distributed on both sides of the first fixed rib. The first fixed rib, the second fixed rib and the third fixed rib are arranged in parallel.

5. The high-speed train wing adjustment device according to claim 4, characterized in that: The bottom of the first fixed rib is symmetrically provided with two ball joint mounting parts along its length direction, and the ball joint mounting parts are fixed to the top end of the first ball joint seat; The second fixed rib and the third fixed rib are both provided with a hinged mounting portion extending downward, and the hinged mounting portion is located at the center position of the second fixed rib and the third fixed rib. The top end of the guide rod of the vertical guide mechanism is provided with a hinged head, and the hinged mounting portion is hinged to the hinged head.

6. The high-speed train wing adjustment device according to claim 5, characterized in that: An angle sensor is provided on one of the hinged mounting parts for monitoring the pitch angle of the telescopic wing in real time; A position sensor is provided in the telescopic cylinder for monitoring the telescopic length data of the telescopic cylinder in real time.

7. The high-speed train wing adjustment device according to claim 3, characterized in that: The high-speed train is equipped with a wind direction and wind force monitoring device to monitor the wind direction and wind force in real time. When the high-speed train encounters a crosswind, the motor controller drives the rotating motor to operate, and drives the rotating seat to rotate to a suitable angle through the transmission shaft so that the telescopic wings are facing the crosswind direction.

8. The high-speed train wing adjustment device according to claim 1, characterized in that: A lifting air deflector and a pitching air deflector are sequentially arranged between the telescopic wing and the rotating seat from bottom to top. The lifting air deflector is a telescopic structure, and the pitching air deflector is elliptical.

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