Bogie for maglev train

Abstract

The utility model discloses a bogie for a maglev train, which comprises a pair of frameworks arranged in parallel and a connecting piece for connecting the pair of frameworks to form a frame opening structure, and further comprises an electromagnet module which is arranged between the frameworks and a track and can simultaneously generate suspension force and guide force by controlling winding current, the electromagnet module is of a suspension and guide integrated structure, and magnetic poles of the electromagnet module are of a sandwich type layered structure. The permanent magnet layer is arranged in the middle and provides basic suspension and guiding bias force, and the electromagnet layers are arranged on the two sides of the permanent magnet layer and adjust the magnetic field intensity in real time according to the running state of a train so as to achieve accurate control over the suspension force and the guiding force. According to the bogie for the maglev train, synergy and stability are improved, efficient cooperative control over suspension force and guiding force is achieved through the magnetic pole structure of the suspension and guiding integrated electromagnet, the running stability of the train is enhanced, and the complexity and cost of a control system are reduced.

Description

Technical Field

[0001] This utility model relates to maglev trains, and more specifically to a bogie for maglev trains. Background Technology

[0002] Maglev trains rely on electromagnetic attraction or electro-repulsion to levitate the train in the air, achieving contactless operation. This overcomes the drawbacks of conventional locomotives and rolling stock, which require wheel-rail contact for traction, opening up new prospects for railway transportation. The bogie is a crucial component of a maglev train, operating under complex conditions. It serves as both the mounting platform for the train's power components and a load-bearing and load-transferring element, directly impacting the overall static and dynamic performance of the vehicle.

[0003] Currently, there are some problems with the bogies of maglev trains. For example, the coordination between the suspension and guidance systems is insufficient, resulting in poor train stability. The lightweight design of the bogies is not ideal, which increases the train's energy consumption. Moreover, the bogies are not adaptable to complex operating conditions, making it difficult to ensure the safe and stable operation of the train. Utility Model Content

[0004] To address the shortcomings of existing technologies, the present invention aims to provide a bogie for magnetic levitation trains. The purpose of this bogie design is to provide a bogie for magnetic levitation trains that solves the problems of poor coordination between the levitation and guidance systems, insufficient lightweight design, and weak adaptability to complex operating conditions.

[0005] To solve the above-mentioned technical problems, this utility model achieves the following solution: A bogie for a magnetic levitation train according to this utility model includes a pair of parallel frames and a connector that connects the pair of frames to form a frame structure. The bogie also includes an electromagnet module disposed between the frames and the track, which can generate levitation force and guiding force simultaneously by controlling the winding current. The electromagnet module is an integrated levitation and guiding structure, and its magnetic poles adopt a "sandwich" layered structure. The "sandwich" layered structure includes a permanent magnet layer disposed in the middle and providing basic levitation and guiding bias force, and electromagnet layers located on both sides of the permanent magnet layer and adjusting the magnetic field strength in real time according to the train's operating status to achieve precise control of levitation force and guiding force.

[0006] Furthermore, the framework includes load-bearing layers and non-load-bearing layers distributed vertically.

[0007] Furthermore, the bearing layer is a high-strength titanium alloy bearing layer.

[0008] Furthermore, the non-load-bearing layer is a carbon fiber reinforced composite material layer.

[0009] Furthermore, the frame includes one or a combination of a hollow structure and a hollow thin-walled structure, and is also provided with reinforcing ribs inside.

[0010] Furthermore, the frame is also equipped with various sensors for monitoring the train's operating status and the stress on the bogies.

[0011] Furthermore, the multiple sensors include at least an acceleration sensor, a displacement sensor, and a strain sensor.

[0012] Furthermore, the bogie also includes a damping structure for an adaptive shock absorber installed between the frame and the car body.

[0013] Furthermore, the damping structure of the adaptive damper is an electro-hydraulic structure.

[0014] Furthermore, the permanent magnet layer is composed of N magnets and S magnets spaced apart to form a permanent magnet module, and the electromagnet layer is formed by a number of UVW windings connected in a straight line without gaps.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This utility model improves the coordination and stability of the bogie for magnetic levitation trains: the magnetic pole structure of the integrated levitation and guidance electromagnet realizes efficient coordinated control of levitation force and guidance force, enhances the stability of train operation, and reduces the complexity and cost of the control system.

[0017] 2. The bogie of this utility model achieves lightweight and energy saving: the frame design combining carbon fiber reinforced composite material and high-strength titanium alloy, combined with hollow thin-walled structure and reinforcing ribs, greatly reduces the weight of the bogie while ensuring strength, thereby reducing train energy consumption and improving energy utilization efficiency.

[0018] 3. This utility model of a bogie for maglev train enhances adaptability to complex working conditions: real-time monitoring by multiple sensors and intelligent adjustment by the central controller enable the bogie to quickly adapt to different working conditions, ensuring safe and stable operation of the train under various conditions and improving the reliability and safety of train operation. Attached Figure Description

[0019] Figure 1 This is a perspective view of the bogie for a magnetic levitation train according to this utility model.

[0020] Figure 2 This is a cross-sectional view of the structure of this utility model.

[0021] Figure 3 This is a schematic diagram of the electromagnet module structure of this utility model.

[0022] The attached diagram is labeled as follows: Frame 1, Connector 2, Electromagnet Module 3, Track 4, Linear Circular Hole 11, Reinforcing Rib 12, Electromagnet Layer 31, Permanent Magnet Layer 32, Bearing Layer 101, Non-Bearing Layer 102. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments, so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making a clearer and more definite definition of the protection scope of the present utility model. Obviously, the embodiments described in this utility model are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0024] Furthermore, the technical features involved in the different embodiments of this utility model described below can be combined with each other as long as they do not conflict with each other.

[0025] Example 1: The specific structure of this utility model is as follows:

[0026] Please refer to the appendix. Figure 1-3 This utility model discloses a bogie for a magnetic levitation train, comprising a pair of parallel frames 1 and a connector 2 that connects the pair of frames 1 to form a frame structure. The bogie also includes an electromagnet module 3 disposed between the frames 1 and the track 4, which can generate levitation force and guiding force simultaneously by controlling the winding current. The electromagnet module 3 is an integrated levitation and guiding structure, and its magnetic poles adopt a "sandwich" layered structure. The "sandwich" layered structure includes a permanent magnet layer 32 disposed in the middle and providing basic levitation and guiding bias force, and electromagnet layers 31 located on both sides of the permanent magnet layer and adjusting the magnetic field strength in real time according to the train's operating status to achieve precise control of levitation force and guiding force.

[0027] like Figure 3 As shown, Figure 3 This is a schematic diagram of the electromagnet module structure of this utility model. The permanent magnet layer 32 is composed of N magnets and S magnets spaced apart to form a permanent magnet module. One N magnet and one S magnet form a magnetic pole unit. The electromagnet layer 31 is formed by several UVW windings seamlessly connected in a straight line. The length and width of any group of N magnets and S magnets are equal. The length of any group of UVW windings and any group of magnetic pole units is equal.

[0028] Integrated Suspension and Guiding Operation: When the train is running, the integrated suspension and guiding electromagnet module 3 is energized. The permanent magnet layer 32 provides initial levitation and guiding forces, keeping the train in a basic levitation and guiding state. When the train's speed, position, or other states change, the sensors transmit signals to the central controller, which calculates and adjusts the current of the electromagnet layer. For example, when the train turns, the current of the electromagnet layer on the inside of the curve is increased to enhance the guiding force and ensure the train turns smoothly; when the train passes over uneven tracks, the levitation force is adjusted to ensure the train remains stably suspended.

[0029] Lightweighting of Frame 1: During the manufacturing process of Frame 1, the application areas of high-strength titanium alloy and carbon fiber reinforced composite materials were determined based on stress analysis. Key components such as the main load-bearing beams utilize high-strength titanium alloy, which is precision-machined into a hollow and thin-walled composite structure, and reinforced with welded ribs 12. Non-critical components, such as the frame outer cover, utilize carbon fiber reinforced composite materials, manufactured through a molding process. The components of both materials are then assembled into a complete frame using a special connection process.

[0030] Specifically, the frame 1 includes a load-bearing layer 101 and a non-load-bearing layer 102 distributed vertically. The load-bearing layer is a high-strength titanium alloy load-bearing layer. The non-load-bearing layer is a carbon fiber reinforced composite material layer. The frame 1 includes one or a combination of a hollow structure and a hollow thin-walled structure, and is further provided with reinforcing ribs 12 inside. Preferably, the frame 1 adopts a combination of a hollow structure and a hollow thin-walled structure, and this combination structure is disposed on the load-bearing layer 101. Figure 2 As shown, Figure 2 This is a cross-sectional view of the frame 1 of this utility model. Linear circular holes 11 are provided in the main body of the frame along the length of the frame. Multiple linear circular holes 11 can reduce the weight of the frame 1.

[0031] Adaptive adjustment process: Sensors continuously collect train operation data, such as accelerometers detecting train vibration acceleration, displacement sensors monitoring suspension gap, and strain sensors measuring frame stress. The central controller analyzes the data in real time and issues commands when the train enters different road conditions or experiences speed changes. For example, if the train encounters small vibrations at high speed, the damping of the adaptive damper is increased to reduce vibration transmission; if a change in suspension gap is detected, the current of the integrated suspension guide electromagnet is adjusted to maintain normal suspension.

[0032] Specifically, the frame 1 is equipped with various sensors for monitoring the train's operating status and the stress on the bogie. These sensors include at least an acceleration sensor, a displacement sensor, and a strain sensor. The bogie also includes a damping structure 5 for an adaptive damper installed between the frame 1 and the car body. The damping structure 5 of the adaptive damper is an electro-hydraulic structure.

[0033] In summary, this utility model of a bogie for maglev trains enhances coordination and stability: the magnetic pole structure of the integrated levitation and guiding electromagnet achieves efficient coordinated control of levitation and guiding forces, enhancing train operation stability and reducing the complexity and cost of the control system. This utility model of a bogie for maglev trains achieves lightweight and energy saving: the frame design combining carbon fiber reinforced composite materials and high-strength titanium alloy, along with a hollow thin-walled structure and reinforcing ribs, significantly reduces bogie weight while ensuring strength, lowering train energy consumption and improving energy utilization efficiency. This utility model of a bogie for maglev trains enhances adaptability to complex operating conditions: real-time monitoring by multiple sensors and intelligent adjustment by the central controller enable the bogie to quickly adapt to different operating conditions, ensuring safe and stable train operation under various conditions and improving train reliability and safety.

[0034] The above description is only a preferred embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural or procedural transformations made based on the contents of the present utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of the present utility model.

Claims

1. A bogie for a magnetic levitation train, comprising a pair of parallel frames (1) and a connector (2) connecting the pair of frames (1) to form a frame structure, characterized in that, The bogie also includes an electromagnet module (3) disposed between the frame (1) and the track (4) and capable of generating both levitation force and guiding force by controlling the winding current. The electromagnet module (3) is an integrated levitation and guiding structure, and its magnetic poles adopt a "sandwich" layered structure. The "sandwich" layered structure includes a permanent magnet layer in the middle that provides basic levitation and guiding bias force, and an electromagnet layer on both sides of the permanent magnet layer that adjusts the magnetic field strength in real time according to the train's running status to achieve precise control of levitation force and guiding force.

2. The bogie for a magnetic levitation train according to claim 1, characterized in that, The frame (1) includes load-bearing layers and non-load-bearing layers distributed vertically.

3. A bogie for a magnetic levitation train according to claim 2, characterized in that, The bearing layer is a high-strength titanium alloy bearing layer.

4. A bogie for a magnetic levitation train according to claim 2, characterized in that, The non-load-bearing layer is a carbon fiber reinforced composite material layer.

5. A bogie for a magnetic levitation train according to claim 1, characterized in that, The frame (1) includes one or a combination of hollow structure and hollow thin-walled structure, and is further provided with reinforcing ribs (12) inside.

6. A bogie for a magnetic levitation train according to claim 1, characterized in that, The frame (1) is also equipped with a variety of sensors for monitoring the train's operating status and the stress on the bogie.

7. A bogie for a magnetic levitation train according to claim 6, characterized in that, The various sensors include at least an acceleration sensor, a displacement sensor, and a strain sensor.

8. A bogie for a magnetic levitation train according to claim 1, characterized in that, The bogie also includes a damping structure (5) for an adaptive damper installed between the frame (1) and the car body.

9. A bogie for a magnetic levitation train according to claim 8, characterized in that, The damping structure (5) of the adaptive damper adopts an electro-hydraulic structure.

10. A bogie for a magnetic levitation train according to claim 1, characterized in that, The permanent magnet layer is composed of N magnets and S magnets spaced apart to form a permanent magnet module, and the electromagnet layer is formed by several UVW windings connected in a straight line without gaps.

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