A wheel-rail type magnetic levitation vehicle system and its application

Abstract

The present invention relates to a wheel-rail type magnetic suspension vehicle system and its application, including a U-shaped channel and a magnetic suspension vehicle placed in the U-shaped channel; two permanent magnet roadbeds and a wheel roadbed are arranged at the bottom of the U-shaped channel, and permanent magnets A are laid on the two permanent magnet roadbeds; the magnetic suspension vehicle includes a body, a chassis, a front drive wheel and a rear drive wheel, permanent magnets B are arranged on both sides of the chassis, the permanent magnets B correspond to the permanent magnets A up and down and have the same polarity, and the front drive wheel and the rear drive wheel are placed on the wheel roadbed; power supply lines are arranged on both sides of the top of the U-shaped channel, and power pick-up cables are arranged on both sides of the body, and the power pick-up cables are in contact with the power supply lines to provide power for the magnetic suspension vehicle. The magnetic suspension vehicle of the present invention is an improvement on the original permanent magnetic suspension vehicle. The original permanent magnetic suspension vehicle cannot enable the vehicle to perform actions such as climbing, descending, and turning with a small radius, which greatly limits the development space. The present invention can effectively avoid the above defects and can meet most road conditions.

Description

Technical Field

[0001] The invention relates to a wheel-rail type magnetic suspension vehicle system and application thereof, in particular to an electric drive wheel-rail type vehicle system based on magnetic suspension, belonging to the technical field of magnetic suspension vehicles. Background Art

[0002] At present, the operating permanent magnetic levitation vehicles cannot climb hills, go downhill, turn in a small radius, etc., which greatly limits the development space.

[0003] For example, Chinese patent document CN106274549A discloses a permanent magnet maglev train, including a carriage, a magnet driving wheel, a guide rail, a buoyancy frame and a track pit, wherein the magnet driving wheel is horizontally arranged on both sides of the carriage, and the guide rail is arranged on the upper and lower sides of the magnet driving wheel; the buoyancy frame includes a carriage buoyancy frame and a land-based buoyancy frame; the carriage buoyancy frame is arranged at the bottom of the carriage, the roadbed buoyancy frame is arranged at the bottom of the track pit, and the guide rail is arranged on the inner walls of both sides of the track pit; the carriage is a box structure, the magnet driving wheel is disc-shaped, and a bearing is arranged in the middle of the magnet driving wheel; and it is connected to the carriage through a rotating shaft. The advantages of the present invention are: the structure adopted by the new type of maglev train makes the train fast and runs locally; it has large acceleration and large buoyancy; it has a lighter body structure, adopts neodymium iron boron permanent magnets, does not require electricity, and is energy-saving and environmentally friendly. Chinese patent document CN108482184A discloses a distributed electric drive magnetic levitation new energy vehicle, including a body, a high-temperature superconducting operating system for traveling on a magnetic levitation track, and a distributed electric drive operating system for traveling on ordinary roads. The high-temperature superconducting operating system and the distributed electric drive operating system are located inside the body and drive the body to move; the high-temperature superconducting operating system includes a magnetic levitation control system, an induction power integrated superconducting magnet, a power integrated winding and a guide mechanism. The induction power integrated superconducting magnet and the power integrated winding are both distributed in pairs inside the body, the power integrated winding is located between adjacent induction power integrated superconducting magnets, and the guide mechanism is located between adjacent power integrated windings; the distributed electric drive operating system includes a wheel hub motor, an active suspension system, tires, a steering system, a drive power battery, a distributed electric drive control system and a control system, and the steering system is connected to the tires through the active suspension system.

[0004] After searching and checking, it was found that the current permanent magnet maglev vehicles can only run on flat tracks, and there is no good solution for operating conditions such as turning, climbing, and going downhill. Summary of the invention

[0005] In view of the deficiencies in the prior art, the present invention provides a wheel-rail type magnetic levitation vehicle system.

[0006] The present invention also provides a working method of the above-mentioned wheel-rail type magnetic levitation vehicle system.

[0007] The technical solution of the present invention is as follows:

[0008] A wheel-rail type magnetic levitation vehicle system comprises a U-shaped channel and a magnetic levitation vehicle placed in the U-shaped channel;

[0009] Two permanent magnet roadbeds and one wheel roadbed are arranged at the bottom of the U-shaped channel, the two permanent magnet roadbeds are located on both sides of the wheel roadbed, and permanent magnets A are laid on the two permanent magnet roadbeds;

[0010] The magnetic levitation vehicle comprises a body, a chassis, a front driving wheel and a rear driving wheel, wherein the front driving wheel and the rear driving wheel are respectively connected to the front and rear sides of the body, the body is mounted on the chassis, and permanent magnets B are arranged on both sides of the chassis, the permanent magnets B correspond to the permanent magnets A up and down and have the same polarity, and the front driving wheels and the rear driving wheels are placed on the wheel roadbed;

[0011] Power supply wire banks are arranged on both sides of the top of the U-shaped channel, and power pickup cables are arranged on both sides of the car body. The power pickup cables are in contact with the power supply wire banks to provide power to the maglev vehicle.

[0012] Preferably, the front drive wheels and the rear drive wheels are both electric drive wheels.

[0013] Preferably, the electric drive wheel includes a motor, a wheel, an elastic fork arm, a mounting plate and an electric steering mechanism; the motor is arranged at the center of the wheel and is fixedly connected to the wheel, both ends of the motor output shaft are connected to the elastic fork arm, one side of the mounting plate is fixedly connected to the car body, and the electric steering mechanism is arranged on the mounting plate and connected to the top end of the elastic fork arm.

[0014] Preferably, the electric drive wheel includes a wheel, a motor, an axle, a mounting plate, an elastic fork arm and an electric steering mechanism; the two ends of the axle are respectively connected to the output shafts of the two motors, the motor is arranged at the center of the wheel and fixedly connected to the wheel, the bottom end of the elastic fork arm is fixedly connected to the axle, one side of the mounting plate is fixedly connected to the car body, and the electric steering mechanism is arranged on the mounting plate and connected to the top end of the elastic fork arm.

[0015] Preferably, the motor is an outer rotor motor.

[0016] Preferably, the housing of the motor is connected to the wheel via a key.

[0017] Preferably, the chassis is also provided with an electromagnet, which is mainly composed of an electromagnetic coil, and the electromagnetic coil is energized to generate magnetism. The advantage of this design is that when the vehicle is unbalanced in front, back, left, and right directions during driving, the magnetic field generated by the electromagnetic coil can be used to correct the vehicle.

[0018] Preferably, the chassis is also provided with an electric magnetic seat, which includes a motor, a rotating shaft and a permanent magnet C, the output shaft of the motor is connected to the rotating shaft, and at least one permanent magnet C is provided on the rotating shaft. The advantage of this design is that the polarity direction of the permanent magnet C is adjusted by the motor, and in the working state, the permanent magnet C and the permanent magnet A have the same polarity and generate a repulsive force, and in the non-working state, there is no repulsive force between the permanent magnet C and the permanent magnet A, which plays a role in adjusting the magnetic field and ensuring that the compartment is at a reasonable height.

[0019] Preferably, the wheel roadbed is equidistant from the two permanent magnet roadbeds, and the two permanent magnet roadbeds are equidistant from the U-shaped channel wall.

[0020] Preferably, a drainage groove is provided at the bottom of the U-shaped channel. The advantage of this design is that the drainage groove can prevent water from accumulating at the bottom of the U-shaped channel, and after cleaning the U-shaped channel, sewage can flow out from the drainage groove.

[0021] Preferably, eight spring hydraulic support guide wheels are symmetrically arranged on both sides of the box body, and the spring hydraulic support guide wheels are in contact with the two side walls of the U-shaped channel. The advantage of this design is that the spring hydraulic support guide wheels can prevent the box body from tilting during operation.

[0022] Preferably, the spring hydraulic support guide wheel includes a hydraulic support fixing seat, a hydraulic cylinder, a spring, a guide wheel shaft and a roller, wherein the cylinder barrel of the hydraulic cylinder is fixed on the hydraulic support fixing seat, the hydraulic support fixing seat is installed on the side wall of the compartment by bolts, a spring is mounted on the piston rod of the hydraulic cylinder, the head of the piston rod is fixedly connected to the guide wheel shaft, and the guide wheel shaft is connected to the center of the roller by a key.

[0023] Preferably, a battery and a control system are provided in the vehicle body. The advantage of this design is that the operating state of the driving wheels can be controlled through the control system in the vehicle body, thereby controlling the forward movement, stop, acceleration, deceleration, and energy recovery of the magnetic levitation vehicle. At the same time, the magnetic levitation vehicle is charged while running, and the excess electricity can be stored in the battery. When the external power supply fails to work, the battery can be used to supply power without affecting the operation of the magnetic levitation vehicle.

[0024] Preferably, air conditioning and air purification systems are provided in the compartment.

[0025] Preferably, left and right balancers are arranged on the front and rear sides of the interior of the carriage, and the left and right balancers include a drive motor, a base, a screw rod and a counterweight slider; the screw rod is arranged on the base, one end of the screw rod is connected to the output shaft of the drive motor, and the counterweight slider is screwed to the screw rod. The advantage of this design is that the carriage can be rebalanced when the number of people in the carriage is uneven.

[0026] Preferably, front and rear balancers are arranged on the left and right sides inside the body, and the front and rear balancers include a driving motor, a base, a screw rod and a counterweight slider; the screw rod is arranged on the base, one end of the screw rod is connected to the output shaft of the driving motor, and the counterweight slider is screwed to the screw rod.

[0027] Preferably, electric compartment doors are provided on both sides of the compartment body, and the electric compartment doors are connected to a control system. The advantage of this design is that electric compartment doors are provided on both sides of the compartment body, which is convenient for passengers to get on and off the bus.

[0028] Preferably, at least 1 / 3 of the compartment is located in the U-shaped channel.

[0029] Preferably, the control system includes a PLC and a wireless communication module, and data can be transmitted with a dispatching center via the wireless communication module.

[0030] Preferably, in the U-shaped channel: in flat road sections, the wheel roadbed is level with the permanent magnet roadbed; in uphill or downhill road sections, the wheel roadbed is higher than the permanent magnet roadbed. The advantage of this design is that in uphill or downhill sections or when turning, the permanent magnet and electromagnet at the bottom of the vehicle are separated from the permanent magnet magnetic field on the permanent magnet roadbed, making it convenient for the vehicle to climb, descend, turn, and stop at a station.

[0031] Preferably, the front and rear sides of the box body are provided with limit arms. The advantage of this design is that the limit arms can prevent vehicles from rear-ending each other, and can also enable the front and rear magnetic levitation vehicles to push individual magnetic levitation vehicles to the station for repair if they fail to move forward.

[0032] Preferably, a suction cup is provided on the top of the car body. The advantage of this design is that when at the station, it is convenient for the station gantry crane to lift the magnetic levitation vehicle out of the U-shaped channel, allowing the following vehicle to pass quickly, and it is convenient for passengers to get on and off the vehicle calmly.

[0033] A working method of a wheel-rail type magnetic levitation vehicle system comprises the following steps:

[0034] (1) The maglev vehicle stops at the station platform. After the passengers get on and off the vehicle, the control system controls the electric vehicle door to close.

[0035] (2) The control system starts the front and rear drive wheels and energizes the electromagnet at the same time, so that the electromagnet and permanent magnet A generate a repulsive force, causing the car body to suspend;

[0036] (3) The control system controls the motor to be energized, so that the motor works, drives the wheels to rotate, and makes the magnetic levitation vehicle move forward;

[0037] (4) During the forward movement of the magnetic levitation vehicle, the current of the motor is controlled by the control system to achieve acceleration or deceleration;

[0038] (5) When the train is about to arrive at the station, the control system cuts off the power to the electromagnet, so that the repulsive magnetic force between the electromagnet and the permanent magnet A disappears; at the same time, the control system controls the motor to cut off the power, so that the carriage moves into the station by inertia;

[0039] (6) The control system controls the electric car door to open, allowing passengers to get on and off the car;

[0040] (7) Repeat steps (1)-(6) to achieve continuous operation of the magnetic levitation vehicle.

[0041] The beneficial effects of the present invention are:

[0042] 1. The magnetic levitation vehicle of the present invention is an improvement on the original permanent magnetic levitation vehicle. The original permanent magnetic levitation vehicle cannot enable the vehicle to climb, descend, turn in a small radius, etc., which greatly limits the development space. The present invention can effectively avoid the above defects and can meet most road conditions.

[0043] 2. The magnetic levitation vehicle of the present invention has a permanent magnetism that is unique to permanent magnets. If the temperature on the magnetic track does not exceed 140 degrees, the magnets can be permanent magnets. The permanent magnet material on the magnetic levitation track of the product of the present invention only needs to be invested once and can be used for decades or even hundreds of years, with obvious energy-saving effects.

[0044] 3. The magnetic levitation vehicle of the present invention uses electric drive wheels to make the magnetic levitation vehicle run stably, which can replace gasoline vehicles on the road, reduce the consumption of gasoline and diesel, and achieve the effect of energy saving, emission reduction and foreign exchange saving. The U-shaped channel can be constructed and laid overhead or embedded underground, saving road traffic pressure.

[0045] 4. The magnetic levitation vehicle of the present invention can adopt a personalized operating route and automatically combine passengers going in the same direction according to a dedicated APP software, so as to facilitate passengers to reach their destination directly at one stop, reduce the number of transfer stations for passengers, save energy and reduce emissions, and provide a good riding experience. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] Figure 1 It is a front view of the wheel-rail type magnetic levitation vehicle system of the present invention;

[0047] Figure 2 A side view of the wheel-rail type magnetic levitation vehicle system of the present invention;

[0048] Figure 3 It is a schematic diagram of the structure of the electric drive wheel in the present invention;

[0049] Figure 4 It is a schematic diagram of the composition of the bottom of the compartment in the present invention;

[0050] Figure 5 for Figure 4 A top view of

[0051] Figure 6 It is a structural schematic diagram of the left and right balancers in the present invention;

[0052] Figure 7 It is a schematic diagram of the structure of the front and rear balancers in the present invention;

[0053] Figure 8 This is a schematic diagram of the structure of the spring hydraulic support guide wheel in the present invention;

[0054] Fig. 9 It is a structural schematic diagram of the top of the compartment in the present invention;

[0055] Fig.10 It is a structural schematic diagram of the parking lot gantry crane in the present invention;

[0056] Among them: 1-left pick-up cable, 2-left power supply line, 3-battery, 4-front drive wheel, 5-left electric magnetic seat, 6-left permanent magnet B, 7-left permanent magnet A, 8-left permanent magnet roadbed, 9-drainage trough, 10-seat, 11-air conditioning and air purification system, 12-left and right balancers, 13-front and rear balancers, 14-right pick-up cable, 15-right power supply line, 16-spring hydraulic support guide wheel, 1601-roller, 1602- Spring, 1603-hydraulic support fixing seat, 1604-guide wheel shaft, 1605-hydraulic cylinder, 1606-bolt, 17-control system (including vehicle front and rear drive, vehicle balance, air conditioning management, power supply management, positioning, data transmission), 18-right electric magnetic seat, 19-right permanent magnet B, 20-wheel roadbed, 21-right permanent magnet A, 22-right permanent magnet roadbed, 23-electric steering mechanism, 24-mounting plate, 25-wheel, 2 6-carriage door, 27-mounting plate, 28-electric steering mechanism, 29-wheel, 30-wheel roadbed floating section, 31-elastic fork arm, 32-electromagnetic coil, 33-probe for measuring magnetic pole spacing, 34-elastic fork arm, 35-bottom permanent magnet, 36-electromagnetic coil in power-on state, 37-electric magnetic seat in working state, 38-electromagnetic coil in power-off state, 39-electric magnetic seat in non-working state, 40-motor, 41-drive Motor, 42-screw, 43-counterweight slider, 44-drive motor, 45-screw, 46-counterweight slider, 47-stereoscopic parking garage, 48-elevator, 49-gantry crane drive motor, 50-gantry crane magnetic suction cup, 51-overhead U-shaped channel, 52-gantry crane, 53-road parking lot, 54-tire, 55-wheel hub, 56-permanent magnet, 57-stator winding, 58-rotor, 59-motor controller, 60-brake, 61-bearing. DETAILED DESCRIPTION

[0057] The present invention will be further described below by way of embodiments in conjunction with the accompanying drawings, but is not limited thereto.

[0058] Embodiment 1:

[0059] like Figure 1-2 As shown, this embodiment provides a wheel-rail type magnetic levitation vehicle system, including a U-shaped channel and a magnetic levitation vehicle placed in the U-shaped channel;

[0060] Two permanent magnet roadbeds (left permanent magnet roadbed 8 and right permanent magnet roadbed 22) and a wheel roadbed 20 are arranged at the bottom of the U-shaped channel, the two permanent magnet roadbeds are located on both sides of the wheel roadbed 20, and permanent magnets A (left permanent magnet A7 and right permanent magnet A21) are laid on the two permanent magnet roadbeds;

[0061] The magnetic levitation vehicle comprises a body, a chassis, a front driving wheel 4 and a rear driving wheel, wherein the front driving wheel 4 and the rear driving wheel are respectively connected to the front and rear sides of the body, the body is mounted on the chassis, permanent magnets B (left permanent magnet B6 and right permanent magnet B19) are arranged on both sides of the chassis, the permanent magnets B correspond to the permanent magnets A up and down and have the same polarity, and the front driving wheel and the rear driving wheel are placed on the wheel roadbed 20;

[0062] Power supply lines (left power supply line 2 and right power supply line 15) are arranged on both sides of the top of the U-shaped channel, and power pickup cables (left power pickup cable 1 and right power pickup cable 14) are arranged on both sides of the car body. The power pickup cables are in contact with the power supply lines to provide power for the maglev vehicle.

[0063] Specifically, the front drive wheel and the rear drive wheel are both electric drive wheels, and the structures of the two are exactly the same. The electric drive wheel includes a motor, a wheel 29, an elastic fork arm 31, a mounting plate, and an electric steering mechanism; the motor is arranged at the center of the wheel and is fixedly connected to the wheel, the two ends of the motor output shaft are connected to the elastic fork arm 31, one side of the mounting plate 24 is fixedly connected to the box body, and the electric steering mechanism 23 is arranged on the mounting plate 24 and connected to the top of the elastic fork arm 31.

[0064] The motor uses an outer rotor motor, and the motor housing is connected to the wheel 25 through a key. When the motor is powered on, the motor housing and the electromagnetic coil are the rotor, driving the wheel 25 to rotate together, and the output shaft of the motor is the stator. The electric steering mechanism adopts conventional technology, and the steering motor is installed on the mounting plate 24 with bolts. The output shaft of the steering motor passes through the threaded hole of the mounting plate 24 through the bearing and is connected to the elastic fork arm 31.

[0065] The chassis is also provided with an electromagnet, which is mainly composed of an electromagnetic coil 32. The electromagnetic coil 32 is energized to generate magnetism. When the vehicle is unbalanced in front, back, left, and right directions during driving, the magnetic field generated by the electromagnetic coil 32 is used to correct the vehicle.

[0066] like Figure 4 and Figure 5As shown, an electric magnetic seat is also provided on the chassis, and a left electric magnetic seat and a right electric magnetic seat are provided on the left and right sides of the chassis respectively. The electric magnetic seat includes a motor, a rotating shaft and a permanent magnet C. The output shaft of the motor is connected to the rotating shaft, and at least one permanent magnet C is provided on the rotating shaft. The polarity direction of the permanent magnet C is adjusted by the motor. In the working state, the permanent magnet C is in a vertical state, and the permanent magnet C and the permanent magnet A generate a repulsive force. In the non-working state, the permanent magnet C is in a horizontal state, and there is no repulsive force between the permanent magnet C and the permanent magnet A. The electric magnetic seat plays a role in adjusting the magnetic field.

[0067] The repulsive force generated by permanent magnet B on permanent magnet A on the magnetic track makes the vehicle levitate and meet the basic load. When the number of passengers in the vehicle increases and overload occurs, the electric magnetic seat starts and permanent magnet C generates repulsive force on permanent magnet A, so that the vehicle compartment and permanent magnet A maintain a designed gap, so that the compartment does not rise and fall and the vehicle cannot be controlled.

[0068] The compartment is provided with a battery 3 and a control system 17. Through the control system in the compartment, the running state of the motor can be controlled, thereby controlling the forward movement, stop, acceleration and deceleration of the maglev vehicle. At the same time, the maglev vehicle is charged while running, and the excess power can be stored in the battery. When the external power supply fails to work, the battery can be used to supply power without affecting the operation of the maglev vehicle.

[0069] The left and right balancers 12 are arranged on the front and rear sides of the interior of the carriage, and the left and right balancers include a driving motor 41, a base, a screw rod 42 and a counterweight slider 43; the screw rod 42 is arranged on the base, one end of the screw rod 42 is connected to the output shaft of the driving motor 41, and the counterweight slider 43 is screwed to the screw rod 42. When the number of people in the carriage is uneven, the carriage can be rebalanced.

[0070] Front and rear balancers 13 are arranged on the left and right sides of the vehicle body, and the front and rear balancers include a driving motor 44, a base, a screw rod 45 and a counterweight slider 46; the screw rod 45 is arranged on the base, one end of the screw rod 45 is connected to the output shaft of the driving motor 44, and the counterweight slider 46 is screwed to the screw rod 45. Both the left and right balancers 12 and the front and rear balancers 13 can be adjusted before the vehicle is operated to ensure the stability of the vehicle during operation.

[0071] The two sides of the body are provided with electric compartment doors 26, which are connected to a control system. The benefit of this design is that electric compartment doors are provided on both sides of the body, making it convenient for passengers to get on and off the bus.

[0072] In the U-shaped channel, at least 1 / 3 of the vehicle body is located in the U-shaped channel to ensure the stability of the vehicle body during operation. The distance between the wheel roadbed and the two permanent magnet roadbeds is equal, and the distance between the two permanent magnet roadbeds and the U-shaped channel wall is equal. On flat road sections, the wheel roadbed is level with the permanent magnet roadbed; on uphill or downhill road sections, the wheel roadbed is higher than the permanent magnet roadbed. On uphill or downhill sections or when turning, the permanent magnet and electromagnet at the bottom of the vehicle are separated from the permanent magnet magnetic field on the permanent magnet roadbed, making it convenient for the vehicle to climb, descend, turn, and approach the station.

[0073] Limiting arms are set on the front and rear sides of the car body. The limiting arms can prevent vehicles from rear-ending each other, and can also enable the front and rear magnetic levitation vehicles to push individual magnetic levitation vehicles to the station for maintenance if they fail to move forward.

[0074] The control system includes PLC and wireless communication modules, through which data can be transmitted with the dispatching center. The vehicle automatic control system can accurately control each on-track vehicle through vehicle positioning, 5G real-time data upload and download, and big data, and perform actions such as deceleration, acceleration, steering, and braking on the drive wheels to achieve optimal operation of the vehicle.

[0075] There are soft and hard seats in the car to meet different usage needs. The car is equipped with air conditioning and air purification system to purify the comfort inside the car and improve riding comfort. There are lighting systems installed inside and outside the car. There are reading lights inside the car to facilitate passengers to read, and color display lights outside the car to serve as a warning when driving at night, especially when entering the station.

[0076] The control system is equipped with an automatic driving program to realize automatic operation of the vehicle. In addition, all electrical equipment, including motors, electromagnetic coils, balancers, electric magnetic seats, etc. are automatically controlled by the control system, and the circuit and control connection relationships can be realized using conventional technology.

[0077] The working principle of the technical solution of this embodiment:

[0078] The present invention utilizes the principle of mutual repulsion between permanent magnets of the same polarity, utilizes the repulsive force generated by the permanent magnet B at the bottom of the vehicle body and the permanent magnet of the same polarity laid on the magnetic track at the bottom of the U-shaped channel groove to make the vehicle levitate, utilizes the friction force generated by the front and rear electric driving wheels of the vehicle rubbing against the road surface to make the vehicle move forward and backward, and the electric driving device comprises: electric driving wheels, spring shock-absorbing front and rear fork arms, and steering gear, and the electric driving wheels have the functions of forward and backward movement, steering, braking, and energy recovery. The magnetic levitation vehicle running in the U-shaped channel can realize unmanned operation and can also realize 24-hour all-day operation.

[0079] In the U-shaped groove channel, the wheel-rail pavement can be designed for horizontal, climbing, downhill and turning according to the on-site topography. The wheel-rail pavement is designed to be lifted at the climbing, downhill and turning points, so that the maglev vehicle can be separated from the permanent magnet magnetic field of the magnetic track at the bottom of the U-shaped groove. The vehicle driving wheels on the road surface support the weight of the vehicle body, which can realize the vehicle climbing, downhill and turning actions. When the vehicle is in horizontal motion, the maglev vehicle is allowed to run to the designed horizontal magnetic track pavement. At this time, the magnets at the bottom of the vehicle and the magnets on the magnetic track in the groove generate repulsive force to achieve the purpose of vehicle suspension and make the maglev vehicle run horizontally.

[0080] The electromagnets installed on the chassis can adjust the magnetic field strength so that the distance between the vehicle body and the permanent magnets of the magnetic track maintains a stable magnetic levitation distance. The electromagnets can also make the permanent magnets at the bottom of the maglev vehicle lose their magnetism when the maglev vehicle enters crowded areas such as stations, thereby preventing the vehicle from absorbing metal substances such as iron in the station.

[0081] Since the weight and number of maglev vehicles can be predicted, the load of the U-shaped channel can be predicted. Lightweight design can be used when designing the U-shaped channel, saving unnecessary extra costs for the project cost. Since the electric-driven maglev vehicles have no motor noise and the impact sound produced by metal wheels and rails, they can be conveniently set up to pass through old and new residential areas, allowing passengers to get on and off the track at their doorstep without leaving the community, which is convenient for passengers to travel, and also convenient for the weak and young people to go to the hospital or school, with one stop directly, avoiding the need for multiple accompanying personnel to go to special places.

[0082] Embodiment 2:

[0083] like Figure 3 As shown, a wheel-rail type magnetic levitation vehicle system has a structure as described in Example 1, except that: in this embodiment, the electric drive wheel adopts a double wheel structure design, and the electric drive wheel includes a wheel 25, a motor, an axle, a mounting plate 27, an elastic fork arm 31 and an electric steering mechanism 28; the two ends of the axle are respectively connected to the output shafts of the two motors, the motor is arranged at the center of the wheel and is fixedly connected to the wheel, the bottom end of the elastic fork arm 31 is fixedly connected to the axle, one side of the mounting plate 27 is fixedly connected to the car body, and the electric steering mechanism 23 is arranged on the mounting plate and connected to the top end of the elastic fork arm.

[0084] Embodiment 3:

[0085] A wheel-rail magnetic levitation vehicle system has a structure as described in Example 1, except that: in this embodiment, the front side of the car body adopts an electric drive wheel with a single wheel structure and the rear side adopts an electric drive wheel with a double wheel structure, or the front side of the car body adopts an electric drive wheel with a double wheel structure and the rear side adopts an electric drive wheel with a single wheel structure.

[0086] Embodiment 4:

[0087] A wheel-rail magnetic levitation vehicle system, the structure of which is as described in Example 1, except that a drainage groove 9 is provided at the bottom of the U-shaped channel. The drainage groove 9 can prevent water from accumulating at the bottom of the U-shaped channel, and sewage can flow out from the drainage groove 9 after cleaning the U-shaped channel.

[0088] Embodiment 5:

[0089] A wheel-rail magnetic levitation vehicle system, the structure of which is as described in Example 1, except that eight spring hydraulic support guide wheels 16 are symmetrically arranged on the left and right sides of the car body, with four spring hydraulic support guide wheels 16 being arranged on each side. The spring hydraulic support guide wheels 16 are unpowered and in contact with the two side walls of the U-shaped channel, and only play the role of balancing the car body. The spring hydraulic support guide wheels can prevent the car body from tilting and swaying left and right during operation.

[0090] The specific structure of the spring hydraulic support guide wheel 16 is as follows: Figure 8 As shown, each spring hydraulic support guide wheel 16 includes a hydraulic support fixing seat 1603, a hydraulic cylinder 1605, a spring 1602, a guide wheel shaft 1604 and a roller 1601, wherein the cylinder barrel of the hydraulic cylinder 1605 is fixed on the hydraulic support fixing seat 1603, the hydraulic support fixing seat 1603 is installed on the side wall of the compartment by bolts 1606, the spring 1602 is mounted on the piston rod of the hydraulic cylinder 1605, the head of the piston rod is fixedly connected to the guide wheel shaft 1604, and the guide wheel shaft 1604 is connected to the center of the roller 1601 by a key.

[0091] The spring hydraulically supported guide wheels can keep the vehicle running along the middle line of the U-shaped channel, making the vehicle run more smoothly and avoiding accidents when the vehicle is driving at high speed. When turning at low speed, climbing, entering a station, going downhill, and entering a warehouse, the spring hydraulically supported guide wheels can be retracted to leave space for the vehicle to move, making it easier for the vehicle to move.

[0092] Embodiment 6:

[0093] A wheel-rail type magnetic levitation vehicle system, the structure of which is as described in Example 1, except that: limit arms (not shown in the figure) are arranged on the front and rear sides of the vehicle body, the limit arms are similar to the anti-collision beams of a car, and have a certain energy absorption effect. The limit arms can prevent vehicles from rear-ending each other, and can also enable the magnetic levitation vehicles at the front and rear ends to be pushed to a site for maintenance if some of the magnetic levitation vehicles fail to move forward.

[0094] Embodiment 7:

[0095] like Fig.10 As shown, a wheel-rail type magnetic levitation vehicle system has the same structure as that described in Example 1, except that a suction cup is provided on the top of the vehicle body. When at the station, the station gantry crane can be used to lift the magnetic levitation vehicle out of the U-shaped channel.

[0096] Large stations are equipped with special multi-story parking garages 47 and gantry cranes 52. The multi-story parking garages 47 are used to store empty maglev vehicles. The gantry cranes are equipped with sliding cranes. The bottom of the sliding cranes is connected to magnetic suction cups 50. The magnetic suction cups 50 can be used to suck up and lift the maglev vehicles entering the U-shaped channel of the station out of the U-shaped channel, thereby improving traffic efficiency.

[0097] The three-dimensional parking garage 47 can deploy online maglev vehicles in real time and recycle empty vehicles in time, so that online vehicles can carry passengers and avoid energy consumption caused by empty vehicles. When a large passenger flow enters the station, the garage inventory vehicles can be used to absorb the passenger flow in time and send out vehicles in time to avoid people waiting for the vehicle and shorten the passenger stay and communication time at the station.

[0098] Embodiment 8:

[0099] A working method of a wheel-rail type magnetic levitation vehicle system comprises the following steps:

[0100] (1) The maglev vehicle stops at the station platform. After the passengers get on and off the vehicle, the control system controls the electric vehicle door to close.

[0101] (2) The control system starts the front drive wheel 4 and the rear drive wheel, and at the same time energizes the electromagnet, so that the electromagnet and the permanent magnet A generate a repulsive force, causing the car body to suspend;

[0102] When the passenger capacity is different, the repulsive force between the power magnetic seat and the permanent magnet A can be adjusted to ensure a stable gap between the car body and the roadbed to prevent the car body from rising and falling.

[0103] (3) The control system controls the motor to be energized, so that the motor works, drives the wheels to rotate, and makes the magnetic levitation vehicle move forward;

[0104] (4) During the forward movement of the magnetic levitation vehicle, the current of the motor is controlled by the control system to achieve acceleration or deceleration;

[0105] (5) When the train is about to arrive at the station, the control system cuts off the power to the electromagnet, so that the repulsive magnetic force between the electromagnet and the permanent magnet A disappears; at the same time, the control system controls the motor to cut off the power, so that the carriage moves into the station by inertia;

[0106] In special cases, the station gantry crane uses magnetic suction cups to quickly move the maglev car out of the U-shaped channel without affecting the passage of subsequent vehicles. It can also directly lift the vehicles waiting to pass in the three-dimensional parking garage and put them into the U-shaped channel for rapid passage.

[0107] (6) The control system controls the electric car door to open, allowing passengers to get on and off the car;

[0108] (7) Repeat steps (1)-(6) to achieve continuous operation of the magnetic levitation vehicle.

Claims

1. A wheel-rail type magnetic levitation vehicle system, characterized in that: It includes a U-shaped channel and a magnetic levitation vehicle placed in the U-shaped channel; Two permanent magnet roadbeds and one wheel roadbed are arranged at the bottom of the U-shaped channel, the two permanent magnet roadbeds are located on both sides of the wheel roadbed, and permanent magnets A are laid on the two permanent magnet roadbeds; The magnetic levitation vehicle comprises a body, a chassis, a front driving wheel and a rear driving wheel, wherein the front driving wheel and the rear driving wheel are respectively connected to the front and rear sides of the body, the body is mounted on the chassis, and permanent magnets B are arranged on both sides of the chassis, the permanent magnets B correspond to the permanent magnets A up and down and have the same polarity, and the front driving wheels and the rear driving wheels are placed on the wheel roadbed; Power supply wires are arranged on both sides of the top of the U-shaped channel, and power pick-up cables are arranged on both sides of the car body. The power pick-up cables are in contact with the power supply wires to provide power for the maglev vehicle. The front drive wheels and the rear drive wheels are both electrically driven wheels; The electric drive wheel comprises a motor, a wheel, an elastic fork arm, a mounting plate and an electric steering mechanism; the motor is arranged at the center of the wheel and fixedly connected to the wheel, the two ends of the motor output shaft are connected to the elastic fork arms, one side of the mounting plate is fixedly connected to the vehicle body, and the electric steering mechanism is arranged on the mounting plate and connected to the top of the elastic fork arm; or, the electric drive wheel comprises a wheel, a motor, a wheel axle, a mounting plate, an elastic fork arm and an electric steering mechanism; the two ends of the wheel axle are respectively connected to the output shafts of the two motors, the motor is arranged at the center of the wheel and fixedly connected to the wheel, the bottom end of the elastic fork arm is fixedly connected to the wheel axle, one side of the mounting plate is fixedly connected to the vehicle body, and the electric steering mechanism is arranged on the mounting plate and connected to the top of the elastic fork arm; The chassis is also provided with an electromagnet, which is mainly composed of an electromagnetic coil. By energizing the electromagnetic coil, the electromagnet generates magnetism; The chassis is also provided with an electric magnetic seat, which includes a motor, a rotating shaft and a permanent magnet C. The output shaft of the motor is connected to the rotating shaft, and at least one permanent magnet C is provided on the rotating shaft. In the U-shaped channel: in a flat road section, the wheel roadbed is level with the permanent magnet roadbed; in an uphill or downhill road section, the wheel roadbed is higher than the permanent magnet roadbed.

2. The wheel-rail type magnetic levitation vehicle system according to claim 1, characterized in that: Eight spring hydraulic support guide wheels are symmetrically arranged on both sides of the compartment body, and the spring hydraulic support guide wheels are in contact with the two side walls of the U-shaped channel.

3. The wheel-rail type magnetic levitation vehicle system according to claim 1, characterized in that: Left and right balancers are arranged on the front and rear sides of the interior of the box, and the left and right balancers include a driving motor, a base, a screw rod and a counterweight slider; the screw rod is arranged on the base, one end of the screw rod is connected to the output shaft of the driving motor, and the counterweight slider is screwed to the screw rod.

4. The wheel-rail type magnetic levitation vehicle system according to claim 1, characterized in that: Front and rear balancers are arranged on the left and right sides of the interior of the box, and the front and rear balancers include a driving motor, a base, a screw rod and a counterweight slider; the screw rod is arranged on the base, one end of the screw rod is connected to the output shaft of the driving motor, and the counterweight slider is screwed to the screw rod.

5. A working method of a wheel-rail type magnetic levitation vehicle system according to any one of claims 1 to 4, characterized in that: The following steps are involved: (1) The maglev vehicle stops at the station platform. After the passengers get on and off the vehicle, the control system controls the electric vehicle door to close. (2) The control system starts the front and rear drive wheels and energizes the electromagnet at the same time, causing the electromagnet and permanent magnet A to generate a repulsive force, causing the car body to levitate; (3) The control system controls the motor to energize, so that the motor works, drives the wheels to rotate, and makes the magnetic levitation vehicle move forward; (4) When the maglev vehicle is moving forward, the control system controls the current of the motor to achieve acceleration or deceleration; (5) When the train is about to arrive at the station, the control system cuts off the power to the electromagnet, so that the repulsive magnetic force between the electromagnet and the permanent magnet A disappears; at the same time, the control system controls the motor to cut off the power, so that the carriage moves into the station by inertia; (6) The control system controls the electric car door to open, allowing passengers to get on and off the car; (7) Repeat steps (1) to (6) to achieve continuous operation of the magnetic levitation vehicle.

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