Split type hovercar docking device based on mechanical-magnetoelectric coupling

By using mechanical-magnetic coupling, the gravitational potential energy of the flight unit drives the docking wedge block to lock with the docking slot. Combined with instantaneous electromagnetic adsorption, this enables rapid and reliable docking of the split-type flying car, solving the problems of complex structure, high energy consumption and insufficient reliability in existing technologies.

CN120863255APending Publication Date: 2025-10-31CHANGSHA UNIVERSITY OF SCIENCE AND TECHNOLOGY
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Patent Information

Application Number
CN202511158808.7
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-19
Publication Date
2025-10-31

AI Technical Summary

Technical Problem

Existing split-type flying car docking technology suffers from problems such as complex structure, large space occupation, high energy consumption, severe mechanical wear, and insufficient reliability.

Method used

The docking wedge block is mechanically locked to the docking slot by the gravitational potential energy of the flight unit arm during descent. During separation, only a momentary power supply is needed to generate a magnetic field to attract the armature. The docking device is quickly and reliably connected through mechanical-magnetic coupling.

Benefits of technology

Significantly reduces energy consumption, simplifies structure, reduces mechanical wear, improves reliability, avoids mechanical jamming, reduces overall weight, and enhances fault tolerance.

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Abstract

The invention discloses a split type hovercar docking device based on mechanical-magnetoelectric coupling, and belongs to the technical field of split type hovercar docking. The device comprises a base, a rack, a butt joint inclined wedge block and an electromagnetic assembly which are mounted on a cockpit unit. A slope surface of 30-60 degrees is arranged on one side of the butt-joint inclined wedge block and is matched with a butt-joint groove of the aircraft arm of the flight unit; the sliding arm on the other side is in limiting fit with the limiting groove. Gravitational potential energy generated by descending of the vehicle arm is used for pressing the inclined plane, the reset spring is compressed, and the sliding arm horizontally moves; and when the inclined surface is aligned with the butt joint groove, the spring rebounds to push the inclined wedge block to be embedded into the butt joint groove to complete butt joint. During separation, the power supply instantly energizes the electromagnet to generate a magnetic field, the armature is attracted to compress the spring, and the wedge block is driven to horizontally retreat from the butt-joint groove. The device is coupled through gravitational potential energy and electromagnetic control, rapid butt joint / separation is achieved, the structure is simple, and energy consumption is low.
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Description

Technical Field

[0001] This invention belongs to the field of split-type flying car docking technology, specifically relating to a split-type flying car docking device based on mechanical-magnetic coupling. Background Technology

[0002] With the acceleration of urbanization, ground traffic congestion has become increasingly prominent, and the efficiency of traditional land transportation systems drops sharply during peak hours. Flying cars, as a new type of transportation integrating land driving and aerial flight functions, have become an important research direction for solving future traffic dilemmas due to their multimodal switching capabilities. Among them, split-type flying cars, through the combination of flight units and cockpit units, show promise in urban commuting, emergency rescue, and other fields; however, the reliable connection between the two highly depends on high-performance docking devices.

[0003] Currently, there are three main solutions for docking technology of split-type flying cars: Traditional mechanical docking (such as Chinese patent applications CN119796471A and CN115891533B) uses a frustum-shaped housing or an inverted truncated cone locking platform to geometrically engage with the docking frame, and locks are achieved by a servo motor driving the locking pin. This type of solution has a complex structure and suffers from severe mechanical wear and a large space requirement.

[0004] Pure electromagnetic attraction docking (such as Chinese patent applications CN119369872A and CN118514464A): docking is completed using an electromagnetic chuck and a magnetic base. Although the structure is simplified, it requires a long period of power to maintain the adsorption state, resulting in a significant increase in energy consumption, increased flight load, and continuous heat generation that may cause safety hazards.

[0005] Mechanical-electromagnetic docking (such as Chinese patent applications CN110802990B and CN117485634A): synchronous positioning is achieved through electromagnetic pin de-energization locking or a claw mechanism. This type of solution relies on the coordinated movement of multiple components, resulting in complex structural layout, high risk of movement jamming, and increased manufacturing costs and flight load. Although CN117485634A has a simplified structure, it still requires the electromagnet to be energized for a long time, resulting in high energy consumption and difficulty in guaranteeing reliability in case of failure.

[0006] In summary, existing technologies generally suffer from drawbacks such as complex structure, large space occupation, high energy consumption, severe mechanical wear, and insufficient reliability. Therefore, there is an urgent need for a docking device that is structurally simple, lightweight, low-energy, and possesses efficient mechanical-magnetic coupling characteristics to achieve rapid and reliable multiple docking and separation of split-type flying cars. Summary of the Invention

[0007] The purpose of this invention is to provide a split-type flying car docking device based on mechanical-magnetic coupling. It utilizes the gravitational potential energy of the flight unit's arm during descent to drive the docking wedge block and docking slot to achieve mechanical locking. During separation, only a momentary energization of the electromagnet is needed to generate a magnetic field that attracts the armature, driving the docking wedge block to retract. The power supply operates only briefly during the separation phase, significantly reducing energy consumption, thereby solving at least one of the technical problems mentioned in the background art.

[0008] To solve the above-mentioned technical problems, the present invention is implemented as follows: This invention provides a split-type flying car docking device based on mechanical-magnetic coupling, comprising: The base is mounted on the mounting slots and mounting holes of the cockpit unit via connecting lugs; The power supply and rack are mounted on the base; The docking wedge has a ramp on one side for engaging with the docking slot on the flight unit's arm; the other side has a sliding arm. A limiting groove is provided on the frame and cooperates with the sliding arm to constrain the movement trajectory of the docking wedge block; The armature and the limiting seat are installed in the groove of the mating wedge block; A return spring is installed on the limit seat; The magnetic box is fixed to the frame via screw holes; A magnetic cover and an electromagnet, wherein the electromagnet is installed in the enclosed space formed by the magnetic box and the magnetic cover.

[0009] Optionally, the flight unit's arm uses the potential energy of gravity to press down on the inclined surface of the docking wedge block, causing the return spring to compress and deform, while the sliding arm slides horizontally under the guidance of the limiting groove. When the ramp surface of the docking wedge is aligned with the docking groove, the return spring releases its elastic force to push the docking wedge into the docking groove, thus realizing the docking of the flight unit and the cockpit unit; During separation, the power supply energizes the electromagnet to generate a magnetic field that attracts the armature, compresses the return spring, and drives the docking wedge block out of the docking groove, thus achieving separation.

[0010] Optionally, the power source energizes the electromagnet only during the separation process.

[0011] Optionally, the rack is arranged in a T-shape.

[0012] Optionally, the docking wedges are evenly distributed at the edge of the frame in a three-point symmetrical layout.

[0013] Optionally, the angle between the slope surface of the docking wedge and the horizontal plane is 30° to 60°.

[0014] Optionally, the armature is a ferromagnetic component that can be attracted by an electromagnet.

[0015] Optionally, the return spring is a compression spring.

[0016] Optionally, the inner wall surfaces of the docking groove and the limiting groove are provided with a wear-resistant coating.

[0017] Optionally, the limiting seat fixes the armature to the docking wedge block by welding.

[0018] Compared with the prior art, the advantages of this invention are as follows: 1. This invention utilizes the gravitational potential energy of the flight unit's arm during descent to drive the docking wedge block and docking slot to achieve mechanical locking; during separation, only a momentary energization of the electromagnet is needed to generate a magnetic field to attract the armature, driving the docking wedge block to retract. The power supply only operates briefly during the separation phase, significantly reducing energy consumption.

[0019] 2. This invention achieves precise constraint of motion trajectory through a three-point symmetrical layout of docking wedge blocks, T-shaped frame and limiting groove guide mechanism; the mechanical coupling design of the reset spring and wedge blocks simplifies the traditional multi-motor drive structure and reduces component complexity and space occupation.

[0020] 3. When the arm of this invention is pressed down, the reset spring is compressed and stores energy; when the docking slots are aligned, the spring releases potential energy to push the wedge block to quickly embed, achieving a stable docking without impact; the magnetic-electric separation response is rapid, avoiding mechanical jamming.

[0021] 4. The inner walls of the docking groove and the limiting groove of this invention are provided with a wear-resistant coating to reduce mechanical wear; the electromagnet is only energized momentarily during separation to avoid the safety hazard of overheating caused by prolonged energization; the pure mechanical locking mode ensures that the docking state is maintained with zero energy consumption.

[0022] 5. The T-shaped frame and symmetrical layout of this invention reduce the overall weight; the 30°–60° angle design of the inclined wedge block slope surface is compatible with different drop accuracies and improves fault tolerance. Attached Figure Description

[0023] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort, wherein: Figure 1 One of the schematic diagrams of the docking assembly structure of the split-type flying car docking device based on mechanical-magnetic coupling provided in an embodiment of the present invention; Figure 2The second schematic diagram of the docking assembly structure of the split-type flying car docking device based on mechanical-magnetic coupling provided in the embodiment of the present invention; Figure 3 One of the schematic diagrams of the docking structure of a split-type flying car docking device based on mechanical-magnetic coupling provided in an embodiment of the present invention; Figure 4 This is the second schematic diagram of the docking structure of a split-type flying car docking device based on mechanical-magnetic coupling provided in an embodiment of the present invention; Figure 5 for Figure 3 A magnified view of a section at point B in the middle; Figure 6 for Figure 5 Exploded structural diagram of the electromagnetic component; Figure 7 for Figure 5 Exploded view of the docking section. Detailed Implementation

[0024] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0025] The terms "first," "second," etc., used in the specification and claims of this invention are used to distinguish similar objects and not to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of the invention can be implemented in orders other than those illustrated or described herein, and the objects distinguished by "first," "second," etc., are generally of the same class and the number of objects is not limited; for example, a first object can be one or more. Furthermore, in the specification and claims, "and / or" indicates at least one of the connected objects, and the character " / " generally indicates that the preceding and following objects are in an "or" relationship.

[0026] Please see Figures 1 to 7 As shown, the present invention provides a split-type flying car docking device based on mechanical-magnetic coupling, including a power supply 7, a frame 8, a base 9, a limiting groove 12, a return spring 13, a magnetic cover 15, an electromagnet 16, a magnetic box 17, a docking wedge block 18, an armature 19, and a limiting seat 20.

[0027] Further specific combinations Figure 3 As shown, the base 9 is mounted on the mounting slot 5 and mounting hole 6 of the cockpit unit 3 via the connecting ear plate 10.

[0028] The power supply 7 and the frame 8 are mounted on the base 9. The power supply 7 only powers the electromagnet 16 during the separation process, so that the entire docking and separation process can be completed with less energy consumption, avoiding the safety hazard of overheating caused by prolonged power supply. The frame 8 adopts a T-shaped structure arrangement.

[0029] Further specific combinations Figures 5 to 7 As shown, the docking wedge block 18 has a sloping surface on one side for engaging with the docking groove 11 on the arm 4 of the flight unit 1; and a sliding arm 21 on the other side.

[0030] Specifically, the docking wedges 18 are evenly distributed at the edge of the frame 8 in a three-point symmetrical layout.

[0031] Furthermore, the angle between the slope surface of the docking wedge block 18 and the horizontal plane is 30°~60°.

[0032] The limiting groove 12 is provided on the frame 8 and cooperates with the sliding arm 21 to limit the movement trajectory of the docking wedge block 18.

[0033] The armature 19 and the limiting seat 20 are installed in the groove of the docking wedge block 18. The armature 19 is a ferromagnetic component that can be attracted by the electromagnet 16. The limiting seat 20 fixes the armature 19 in the docking wedge block 18 by welding.

[0034] The reset spring 13 is mounted on the limiting seat 20, and the reset spring 13 is a compression spring.

[0035] The magnetic box 17 is fixed to the frame 8 via screw holes 14. The magnetic cover 15 and the electromagnet 16 are installed in the enclosed space formed by the magnetic box 17 and the magnetic cover 15.

[0036] The arm 4 of the flight unit 1 uses the potential energy of gravity to press down on the inclined surface of the docking wedge block 18, causing the return spring 13 to be compressed and deformed, while the sliding arm 21 slides horizontally under the guidance of the limiting groove 12. When the ramp surface of the docking wedge 18 is aligned with the docking groove 11, the reset spring 13 releases its elastic force to push the docking wedge 18 into the docking groove 11, thereby realizing the docking of the flight unit 1 and the cockpit unit 3. During separation, the power supply 7 energizes the electromagnet 16 to generate a magnetic field that attracts the armature 19, causing the reset spring 13 to compress and drive the docking wedge block 18 out of the docking groove 11, thus achieving separation.

[0037] As can be seen from the above, when the arm of the present invention is pressed down, the reset spring 13 is compressed and stores energy; when the docking groove 11 is aligned, the spring releases potential energy to push the docking wedge block 18 to quickly embed, achieving a stable docking without impact; the magnetic-electric separation response is rapid, avoiding mechanical jamming.

[0038] It should be further noted that the inner wall surfaces of the docking groove 11 and the limiting groove 12 are provided with a wear-resistant coating to reduce mechanical wear.

[0039] It should be noted that, in this document, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Unless otherwise specified, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.

[0040] Furthermore, it should be noted that the scope of the methods and systems in the embodiments of the present invention is not limited to performing functions in the order shown or discussed, but may also include performing functions substantially simultaneously or in the reverse order, depending on the functions involved. For example, the described methods may be performed in a different order than described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

[0041] The embodiments of the present invention have been described above with reference to the accompanying drawings. However, the present invention is not limited to the specific embodiments described above. The specific embodiments described above are merely illustrative and not restrictive. Those skilled in the art can make many other forms under the guidance of the present invention without departing from the spirit and scope of the claims, and all of these forms are within the protection scope of the present invention.

Claims

1. A split-type flying car docking device based on mechanical-magnetic coupling, characterized in that, include: The base (9) is mounted on the mounting slot (5) and mounting hole (6) of the cockpit unit (3) via the connecting ear plate (10); The power supply (7) and the rack (8) are mounted on the base (9); The docking wedge (18) has a ramp on one side for engaging with the docking groove (11) on the arm (4) of the flight unit (1); and a sliding arm (21) on the other side. The limiting groove (12) is provided on the frame (8) and cooperates with the sliding arm (21) to limit the movement trajectory of the docking wedge block (18); The armature (19) and the limiting seat (20) are installed in the groove of the docking wedge block (18); A return spring (13) is mounted on a limit seat (20); The magnetic box (17) is fixed to the frame (8) through the screw hole (14); A magnetic cover (15) and an electromagnet (16), wherein the electromagnet (16) is installed in the enclosed space formed by the magnetic box (17) and the magnetic cover (15).

2. The split-type flying car docking device based on mechanical-magnetic coupling according to claim 1, characterized in that: The arm (4) of the flight unit (1) uses the potential energy of gravity to press down on the inclined surface of the docking wedge (18), causing the return spring (13) to be compressed and deformed, while the sliding arm (21) slides horizontally under the guidance of the limiting groove (12); When the ramp surface of the docking wedge (18) is aligned with the docking groove (11), the reset spring (13) releases its elastic force to push the docking wedge (18) into the docking groove (11), thereby realizing the docking of the flight unit (1) and the cockpit unit (3). During separation, the power supply (7) energizes the electromagnet (16) to generate a magnetic field that attracts the armature (19), causing the reset spring (13) to compress and drive the docking wedge block (18) out of the docking groove (11), thus achieving separation.

3. The split-type flying car docking device based on mechanical-magnetic coupling according to claim 2, characterized in that, The power source (7) energizes the electromagnet (16) only during the separation process.

4. The split-type flying car docking device based on mechanical-magnetic coupling according to claim 1, characterized in that, The frame (8) is arranged in a T-shape.

5. The split-type flying car docking device based on mechanical-magnetic coupling according to claim 1, characterized in that, The docking wedges (18) are evenly distributed at the edge of the frame (8) in a three-point symmetrical layout.

6. The split-type flying car docking device based on mechanical-magnetic coupling according to claim 1 or 5, characterized in that, The angle between the slope surface of the docking wedge (18) and the horizontal plane is 30°~60°.

7. The split-type flying car docking device based on mechanical-magnetic coupling according to claim 1, characterized in that, The armature (19) is a ferromagnetic component that can be attracted by an electromagnet (16).

8. The split-type flying car docking device based on mechanical-magnetic coupling according to claim 1, characterized in that, The reset spring (13) is a compression spring.

9. The split-type flying car docking device based on mechanical-magnetic coupling according to claim 1, characterized in that, The inner wall surfaces of the docking groove (11) and the limiting groove (12) are provided with a wear-resistant coating.

10. The split-type flying car docking device based on mechanical-magnetic coupling according to claim 1, characterized in that, The limiting seat (20) fixes the armature (19) to the docking wedge block (18) by welding.

Citation Information

Patent Citations

  • A docking device for a split multi-rotor flying car

    CN110802990B

  • A docking and locking structure for flying cars and a flying car system

    CN115891533B

  • Clamping jaw mechanism for butt joint limiting of multi-rotor aircraft and working method of clamping jaw mechanism

    CN117485634A

  • Aerocar and docking method thereof

    CN118514464A

  • Split type hovercar

    CN119369872A