CN219634929U - Suspension system and vehicle - Google Patents

Abstract

The utility model discloses a suspension system and a vehicle, the suspension system comprises: a vibration attenuation module adapted to be connected between a vehicle body and an axle, the vibration attenuation module comprising a vibration absorber connected with an air spring, the air spring forming an air bag for storing air; a torsion spring adapted to be connected between the vehicle body and the axle, the torsion spring configured to provide a torsion force upon deformation. According to the suspension system provided by the embodiment of the utility model, the torsion elastic piece is arranged, so that the demand load of the air spring can be reduced, the size of the air spring is reduced, the arrangement is convenient, and when the air spring fails, the torsion elastic piece can replace the air spring to work, so that the suspension system can still keep normal work, and the reliability of the suspension system is improved.

Description

Suspension system and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a suspension system and a vehicle with the suspension system.

Background

In the related art, the suspension system of the automobile is generally formed by connecting an air spring and a linear motor in parallel, the air spring is stressed greatly, so that the diameter of the air spring is large, the arrangement is difficult, and when the air spring fails, the suspension system is difficult to deal with, the linear motor is possibly damaged, the vehicle is out of control, the danger is high, and the improvement space exists.

Disclosure of Invention

The present utility model aims to solve at least one of the technical problems existing in the prior art. It is therefore an object of the present utility model to provide a suspension system in which the size of the air spring is small, the arrangement is facilitated, and the torsion spring can operate in place of the air spring when the air spring fails, and the suspension system can remain operational.

A suspension system according to an embodiment of the present utility model includes: a vibration attenuation module adapted to be connected between a vehicle body and an axle, the vibration attenuation module comprising a vibration absorber connected with an air spring, the air spring forming an air bag for storing air; a torsion spring adapted to be connected between the vehicle body and the axle, the torsion spring configured to provide a torsion force upon deformation.

According to the suspension system provided by the embodiment of the utility model, the torsion elastic piece is arranged, so that the demand load of the air spring can be reduced, the size of the air spring is reduced, the arrangement is convenient, and when the air spring fails, the torsion elastic piece can replace the air spring to work, so that the suspension system can still keep normal work, and the reliability of the suspension system is improved.

According to some embodiments of the utility model, the damper includes a stator member connected to the vehicle body and a mover member cooperating with the stator member to be reciprocally movable with respect to the stator member, the torsion spring being connected to the stator member.

The suspension system according to some embodiments of the present utility model further includes a tie rod extending in a height direction, an upper end of the tie rod being mounted to the stator part, a lower end of the tie rod being connected to one end of the torsion elastic member, and the other end of the torsion elastic member being adapted to be connected to an axle.

According to some embodiments of the utility model, the torsion spring includes a first extension section and a second extension section disposed in intersecting relation, the first extension section being connected to the lower end of the tie rod, the second extension section being secured to the lower control arm.

According to the suspension system of some embodiments of the present utility model, the shock absorber and the air spring are arranged in order in the height direction.

According to some embodiments of the utility model, the shock absorber is configured as a linear motor comprising a mover member and a stator member, the stator member being adapted to be coupled to the vehicle body and to one end of the air spring, the mover member and the other end of the air spring being coupled to the axle.

According to some embodiments of the utility model, the stator component is encased in the mover component.

According to some embodiments of the utility model, the stator component comprises a stator mounting part and an electromagnetic coil, the electromagnetic coil is wound on the stator mounting part, the rotor component comprises a cylinder body and a permanent magnet group arranged on the cylinder body, and the permanent magnet group is in coupling fit with the electromagnetic coil.

According to the suspension system of some embodiments of the present utility model, the plurality of electromagnetic coils are arranged at intervals around the circumference of the stator mounting part, the plurality of permanent magnet groups are arranged at intervals around the circumference of the cylinder body, and the plurality of permanent magnet groups and the plurality of electromagnetic coils are arranged in a one-to-one correspondence.

According to some embodiments of the utility model, each of the permanent magnet groups includes a plurality of permanent magnets spaced apart along a height of the cylinder.

The utility model further provides a vehicle.

According to an embodiment of the present utility model, a vehicle includes: a vehicle body, an axle and a suspension system according to any of the embodiments described above.

According to the vehicle provided by the embodiment of the utility model, the torsion elastic piece is arranged, so that the demand load of the air spring can be reduced, the size of the air spring is reduced, the air spring is convenient to arrange, and when the air spring fails, the torsion elastic piece can replace the air spring to work, so that the suspension system can still keep normal work, the reliability of the suspension system is improved, and the overall performance of the vehicle is improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic structural view of a suspension system according to an embodiment of the present utility model;

FIG. 2 is a simplified installation diagram of a suspension system according to an embodiment of the present utility model;

FIG. 3 is a schematic structural view of a suspension system according to another embodiment of the present utility model;

FIG. 4 is a schematic structural view of a vibration damping assembly according to an embodiment of the present utility model;

fig. 5 is a cross-sectional view of a linear motor according to an embodiment of the present utility model;

fig. 6 is a schematic diagram of the operation of a linear motor according to an embodiment of the present utility model;

fig. 7 is a further operational schematic of a linear motor according to an embodiment of the present utility model.

Reference numerals:

suspension system 100, axle 200, body 300,

damping assembly 1, linear motor 2, stator part 21, stator mounting portion 211, electromagnetic coil 212, tie rod fixing seat 213, mover part 22, cylinder 221, permanent magnet group 222, permanent magnet 223, lower yoke 23, tower top 24,

air spring 3, torsion elastic member 4, first extension 41, second extension 42, pull rod 5, lower control arm 6.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

Next, with reference to the drawings, a suspension system 100 according to an embodiment of the present utility model is described.

As shown in fig. 1 to 7, a suspension system 100 according to an embodiment of the present utility model includes: a damper assembly 1 and a torsion elastic member 4, the damper assembly 1 being adapted to be connected between the vehicle body 300 and the axle 200, the damper assembly 1 including a damper and an air spring 3 connected, the air spring 3 being formed with an air bag storing air; the torsional spring 4 is adapted to be connected between the vehicle body 300 and the axle 200, the torsional spring 4 being configured to provide a torsional force when deformed.

Thereby, the required load of the air spring 3 can be reduced, the size of the air spring 3 can be reduced, the arrangement can be facilitated, and when the air spring 3 fails, the torsion elastic member 4 can work instead of the air spring 3, so that the suspension system 100 can still keep working normally.

For example, referring to fig. 1-2, the suspension system 100 is configured to be coupled between the vehicle body 300 and the axle 200, and when vibrations are generated by the axle 200, the vibrations may be transferred to the vehicle body 300 through the suspension system 100. The suspension system 100 includes a damper assembly 1, the damper assembly 1 being adapted to be coupled between a vehicle body 300 and an axle 200 such that vibrations of the axle 200 may be transmitted to the vehicle body 300 through the damper assembly 1. The vibration damping assembly 1 comprises a vibration damper and an air spring 3 which are connected, wherein the vibration damper is used for providing damping to damp vibration transmitted to the vehicle body 300 by the axle 200 so as to improve running smoothness of the vehicle, enhance adhesion between wheels and the ground, reduce dynamic load of the vehicle body 300 and prolong service life of the vehicle. The air spring 3 is formed with an air bag for storing air, and when the axle 200 drives the suspension system 100 to vibrate, the air spring 3 deforms to generate an elastic force, and the air spring 3 can be used for supporting a vertical load (of course, the air spring 3 can also support loads in other directions, which are not described herein any more) so as to alleviate impact and vibration caused by uneven road surfaces.

The damper may be a linear motor 2, such as a cylinder type linear motor, a plate type linear motor, or a three-plate type linear motor, or may be a hydraulic passive damper, a variable damping damper, or an active hydraulic damper, which is not limited in this regard.

The suspension system 100 further includes a torsion spring 4, which may be provided as a spring, a coil spring, a hollow spring, etc., the torsion spring 4 being connected between the vehicle body 300 and the axle 200, the torsion spring 4 being configured to provide a torsion force when deformed such that the torsion spring 4 may support a vertical load.

Specifically, in the embodiment shown in fig. 1, the suspension system 100 is a front suspension, two ends of the torsion elastic member 4 are respectively connected with the vehicle body 300 and the vehicle axle 200 to arrange the vibration damping assembly 1 in parallel with the torsion elastic member 4, and when the vehicle axle 200 moves vertically, part of the load can be transferred to the vehicle body 300 through the vehicle axle 200, and the other part of the load can be transferred to the vehicle body 300 through the torsion elastic member 4; in the embodiment shown in fig. 3, the suspension system 100 is a rear suspension, and the torsion spring 4 is connected between the damper assembly 1 and the vehicle axle 200 to arrange the damper assembly 1 and the torsion spring 4 in series, and the load can be transmitted to the vehicle body 300 through the vehicle axle 200, the torsion spring 4, and the damper assembly 1 in sequence when the vehicle axle 200 moves vertically.

With the above arrangement, the required load of the air spring 3 can be reduced, so that the suspension system 100 can arrange the air spring 3 of a smaller diameter or lower pressure, which is advantageous in reducing the cost, and the life of the air spring 3 can be improved. In addition, when the air spring 3 fails, the torsion elastic member 4 can work instead of the air spring 3 to ensure that the posture of the vehicle is not suddenly changed, the vehicle can still keep running normally, the reliability of the suspension system 100 is improved, and the shock absorber can be prevented from being damaged.

According to the suspension system 100 of the embodiment of the utility model, the torsion elastic member 4 is arranged, so that the demand load of the air spring 3 can be reduced, the size of the air spring 3 is reduced, the arrangement is convenient, and when the air spring 3 fails, the torsion elastic member 4 can replace the air spring 3 to work, so that the suspension system 100 can still keep normal work, and the reliability of the suspension system 100 is improved.

In some embodiments of the present utility model, the damper includes a stator part 21 and a mover part 22, the stator part 21 being connected to the vehicle body 300, the mover part 22 cooperating with the stator part 21 to be reciprocally movable with respect to the stator part 21, and the torsion spring 4 being connected to the stator part 21.

For example, referring to fig. 4 to 5, the damper includes a stator part 21 and a mover part 22, the upper end of the stator part 21 is coupled to a tower top 24 by bolts, the tower top 24 is coupled to a vehicle body 300 to fix the stator part 21 to the vehicle body 300, a lower yoke 23 is formed at the lower end of the mover part 22, and the lower yoke 23 is coupled to an axle 200 to fix the mover part 22 to the axle 200. The mover member 22 and the stator member 21 are slidably engaged, and when the axle 200 vibrates, the mover member 22 can reciprocate relative to the stator member 21, and the stator member 21 can dampen the mover member 22 so that the shock absorber can dampen the axle 200. Meanwhile, one end of the torsion elastic member 4 may be connected to the stator member 21 such that the torsion elastic member 4 may be connected to the vehicle body 300 through the stator member 21.

Through the arrangement, the whole size of the torsion elastic piece 4 is reduced, the cost is reduced, the integrated arrangement of the suspension system 100 can be realized, the installation difficulty of the suspension system 100 is reduced, and the reliability of the suspension system 100 is improved.

In some embodiments of the present utility model, the suspension system 100 of the present embodiment further includes a tie rod 5, the tie rod 5 extending in a height direction, an upper end of the tie rod 5 being mounted to the stator part 21, a lower end of the tie rod 5 being connected to one end of the torsion elastic member 4, and the other end of the torsion elastic member 4 being adapted to be connected to the axle 200.

For example, referring to fig. 1 and 4, the suspension system 100 further includes a tie rod 5, the tie rod 5 being configured in a column shape, the tie rod 5 being disposed to extend in a height direction (i.e., an up-down direction as viewed in fig. 1). The outer peripheral wall of the stator part 21 is formed with a pull rod fixing seat 213, the upper end of the pull rod 5 is connected with the pull rod fixing seat 213 to be connected to the stator part 21, the lower end of the pull rod 5 extends to the lower position of the vibration damping assembly 1 and is connected with one end of the torsion elastic member 4, the torsion elastic member 4 extends and is arranged along the horizontal direction, and the other end of the torsion elastic member 4 is connected with the axle 200. In this way, the direction of deformation of the torsion elastic member 4 can be made coincident with the direction of the vertical load, so that the torsion elastic member 4 can better support the vertical load. Thereby, the reliability of the torsion elastic member 4 is improved.

In practical arrangement, the two ends of the pull rod 5 can be both configured as ball pins, the upper end of the pull rod 5 can be connected with the pull rod fixing seat 213 through bolts, and the lower end can be fixedly connected with one end of the torsion elastic member 4 through bolts, so that the installation stability of the pull rod 5 is improved.

In some embodiments of the utility model, the torsion spring 4 comprises a first extension 41 and a second extension 42 arranged crosswise, the first extension 41 being connected to the lower end of the pull rod 5, the second extension 42 being fixed to the lower control arm 6.

For example, referring to fig. 1, the torsion elastic member 4 includes a first extension 41 and a second extension 42 connected to each other, one end of the first extension 41 is connected to the lower end of the tie rod 5 to arrange the first extension 41 below the outside of the damper assembly 1, the first extension 41 is arranged to extend in the front-rear direction, and the other end of the first extension 41 extends to the front side of the damper assembly 1 and is connected to the second extension 42. The lower extreme of damping assembly 1 is connected with lower control arm 6, and lower control arm 6 and first extension 41 parallel arrangement just are used for linking to each other with axle 200, and first extension 41 and second extension 42 intersect and set up, if can set up that the contained angle between first extension 41 and the second extension 42 is 90 to make second extension 42 can extend and link to each other with lower control arm 6 towards the direction that is close to lower control arm 6.

Through the arrangement, the projection of the torsional elastic piece 4 and the vibration reduction assembly 1 along the height direction can be staggered, the torsional elastic piece 4 can be prevented from interfering with the vibration reduction assembly 1 in the deformation process, and the reliability of the torsional elastic piece 4 is improved.

In a practical arrangement, it may be provided that the end of the second extension 42 is positioned with the lower control arm 6 by square holes and is connected by bolts to improve the mounting stability between the torsion spring 4 and the lower control arm 6.

In some embodiments of the present utility model, as shown in fig. 4, the damper and the air spring 3 may be disposed in order in the height direction, for example, the air spring 3 may be disposed below the damper in the height direction, or the air spring 3 may be disposed above the damper in the height direction. Through the arrangement, on the premise that the performance of the vibration reduction assembly 1 is not affected, the overall diameter of the vibration reduction assembly 1 can be reduced, arrangement is facilitated, interference between the vibration damper and the air spring 3 is not easy to occur, and the reliability of the vibration reduction assembly 1 is improved.

In some embodiments of the utility model, the damper is configured as a linear motor 2, the linear motor 2 comprising a mover member 22 and a stator member 21, the stator member 21 being adapted to be connected to the vehicle body 300 and to one end of the air spring 3, the other end of the mover member 22 and the air spring 3 being connected to the axle 200.

For example, referring to fig. 4 to 5, the damper may be constructed as a linear motor 2, the linear motor 2 including a mover member 22 and a stator member 21, the upper end of the stator member 21 being coupled to a tower top 24 by bolts, the tower top 24 being coupled to a vehicle body 300 to fix the stator member 21 to the vehicle body 300, a lower yoke 23 being coupled to the lower end of the mover member 22, the lower yoke 23 being coupled to the axle 200 by a lower control arm 6. Meanwhile, an air spring 3 may be sleeved outside the lower yoke 23, one end of the air spring 3 is connected with the stator part 21 to be fixed on the vehicle body 300, and the other end of the air spring 3 is connected with the lower control arm 6 to be fixed on the axle 200, so as to realize the installation of the vibration reduction assembly 1.

Wherein one of the stator part 21 and the mover part 22 is mounted with an electromagnetic coil 212 and the other is mounted with a permanent magnet set 222, the electromagnetic coil 212 being adapted to generate a magnetic field when energized, the permanent magnet set 222 being adapted to generate an interactive electromagnetic force within the magnetic field such that the stator part 21 may dampen the mover part 22.

In a specific operation, when the vehicle passes over an uneven road surface to cause vibration of the axle 200, the axle 200 may drive the mover member 22 to reciprocate relative to the stator member 21, the stator member 21 may apply damping to the axle 200 through the mover member 22, at this time, the other end of the air spring 3 may move with the mover member 22, and the air spring 3 deforms to generate an elastic force so that the air spring 3 may support a vertical load.

Through the arrangement, the integrated arrangement of the air spring 3 and the linear motor 2 can be realized, the installation difficulty of the vibration reduction assembly 1 is reduced, the linear motor 2 and the air spring 3 are partially overlapped in the height direction, the length dimension of the vibration reduction assembly 1 can be reduced, and the miniature design of the suspension system 100 is facilitated.

Further, a stator part 21 may be provided to be sleeved to a mover part 22. For example, referring to fig. 5, the stator member 21 is formed in a cylindrical shape such that the stator member 21 may be sleeved outside the mover member 22, the lower end of the mover member 22 protrudes downward from the stator member 21 and is connected to the axle 200 through the lower yoke 23, the air spring 3 is mounted on the lower side of the linear motor 2, and the upper end of the air spring 3 may be sleeved outside the lower end of the mover member 22 and is connected to the lower end of the stator member 21. In this way, the overall size of the air spring 3 can be reduced by providing the stator part 21 to be sheathed on the mover part 22 to reduce the diameter of the mover part 22. Thus, a compact design of the suspension system 100 can be achieved, and space utilization can be improved.

In some embodiments of the present utility model, the stator part 21 includes a stator mounting portion 211 and an electromagnetic coil 212, the electromagnetic coil 212 is wound around the stator mounting portion 211, and the mover part 22 includes a cylinder 221 and a permanent magnet group 222 provided to the cylinder 221, and the permanent magnet group 222 is coupled to the electromagnetic coil 212.

For example, referring to fig. 5, the stator member 21 includes a stator mounting portion 211 and an electromagnetic coil 212, the electromagnetic coil 212 being wound in the stator mounting portion 211 and electrically connected to an energizing wire, and a power source may supply power to the electromagnetic coil 212 through the energizing wire so that the electromagnetic coil 212 may generate a magnetic field. The stator component 21 and the rotor component 22 are sleeved, for example, the stator mounting part 211 can be sleeved on the outer side of the rotor component 22, the rotor component 22 comprises a cylinder 221 and a permanent magnet group 222, the permanent magnet group 222 is mounted on the cylinder 221, and the permanent magnet group 222 and the electromagnetic coil 212 are coupled and matched, so that the permanent magnet group 222 can generate interaction electromagnetic force in a magnetic field, and the stator component 21 can apply damping to the rotor component 22.

It can be appreciated that by disposing the electromagnetic coil 212 on the stator mounting portion 211, the energizing wires can remain stationary during operation of the suspension system 100, which is beneficial to improving the energizing reliability of the electromagnetic coil 212 and improving the reliability and stability of the suspension system 100.

In some embodiments of the present utility model, the electromagnetic coils 212 are provided in plurality, the plurality of electromagnetic coils 212 are arranged at intervals around the circumference of the stator mounting portion 211, the permanent magnet groups 222 are provided in plurality, the plurality of permanent magnet groups 222 are arranged at intervals around the circumference of the cylinder 221, and the plurality of permanent magnet groups 222 and the plurality of electromagnetic coils 212 are provided in one-to-one correspondence.

For example, referring to fig. 4 to 5, the electromagnetic coils 212 may be provided in plural, and the plurality of electromagnetic coils 212 may be arranged at uniform intervals around the circumferential direction of the stator mounting portion 211, or may be arranged at non-uniform intervals. Meanwhile, the permanent magnet groups 222 may be provided in plurality, the plurality of permanent magnet groups 222 are arranged at intervals around the circumference of the cylinder 221, the plurality of permanent magnet groups 222 and the plurality of electromagnetic coils 212 are provided in one-to-one correspondence, and the plurality of permanent magnet groups 222 may generate electromagnetic forces in the magnetic fields generated by the corresponding electromagnetic coils 212, respectively.

Through the arrangement, the stator component 21 can apply larger damping to the rotor component 22, so that the practicability of the suspension system 100 is improved, the suspension system 100 can bear forces in different directions, the stability of the suspension system 100 is improved, and the overall performance of the suspension system 100 is further improved.

Further, as shown in fig. 6 to 7, each permanent magnet group 222 may be provided to include a plurality of permanent magnets 223, the plurality of permanent magnets 223 of the same permanent magnet group 222 are arranged at intervals along the height direction of the cylinder 221, and the polarities of two adjacent permanent magnets 223 are set to be different, and when the electromagnetic coil 212 is energized, a magnetic field having a level of N, S is generated, and the magnetic field is attracted or repelled with the magnetic field in the permanent magnets 223, so that the stator part 21 can push the mover part 22 to move.

Specifically, in the embodiment shown in fig. 6, the permanent magnet 223 at the leftmost side is N-level, the magnetic field at the left side of the permanent magnet 223 is S-level, the magnetic field at the right side of the permanent magnet 223 is N-level, and the magnetic field can push the permanent magnet 223 to move leftwards; in the embodiment shown in fig. 7, the current flow direction in the electromagnetic coil 212 is changed, so that the magnetic field is correspondingly changed, the magnetic field at the left side of the permanent magnet 223 is changed to N-level, the magnetic field at the right side of the permanent magnet 223 is changed to S-level, and the magnetic field can push the permanent magnet 223 to move rightward. The above-described embodiments are merely exemplary and are not intended to limit the present utility model.

It can be appreciated that by providing a single permanent magnet group 222 with a plurality of permanent magnets 223, the forces exerted by the plurality of permanent magnets 223 can be superimposed, which can increase the bearing capacity of the linear motor 2 and improve the utility of the suspension system 100.

The utility model further provides a vehicle.

As shown in fig. 3, a vehicle according to an embodiment of the present utility model includes: vehicle body 300, axle 200, and suspension system 100 of any of the embodiments described above.

According to the vehicle provided by the embodiment of the utility model, the torsion elastic piece 4 is arranged, so that the demand load of the air spring 3 can be reduced, the size of the air spring 3 is reduced, the arrangement is convenient, and when the air spring 3 fails, the torsion elastic piece 4 can replace the air spring 3 to work, so that the suspension system 100 can still keep normal work, the reliability of the suspension system 100 is improved, and the overall performance of the vehicle is improved.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

In the description of the utility model, a "first feature" or "second feature" may include one or more of such features.

In the description of the present utility model, "plurality" means two or more.

In the description of the utility model, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, and may also include the first and second features not being in direct contact but being in contact with each other by another feature therebetween.

In the description of the utility model, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature.

In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the present utility model have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (11)

1. A suspension system (100), comprising:

a vibration damping assembly (1), the vibration damping assembly (1) being adapted to be connected between a vehicle body (300) and an axle (200), the vibration damping assembly (1) comprising a damper and an air spring (3) connected, the air spring (3) being formed with an air bag storing air;

-a torsion spring (4), the torsion spring (4) being adapted to be connected between the vehicle body (300) and the axle (200), the torsion spring (4) being configured to provide a torsion force upon deformation.

2. The suspension system (100) according to claim 1, wherein the damper comprises a stator part (21) and a mover part (22), the stator part (21) being connected to the vehicle body (300), the mover part (22) cooperating with the stator part (21) to be reciprocally movable with respect to the stator part (21), the torsion spring (4) being connected to the stator part (21).

3. The suspension system (100) according to claim 2, further comprising a tie rod (5), the tie rod (5) extending in a height direction, an upper end of the tie rod (5) being mounted to the stator part (21), a lower end of the tie rod (5) being connected to one end of the torsion spring (4), the other end of the torsion spring (4) being adapted to be connected to an axle (200).

4. A suspension system (100) according to claim 3, wherein the torsion spring (4) comprises a first extension (41) and a second extension (42) arranged crosswise, the first extension (41) being connected to the lower end of the tie rod (5), the second extension (42) being fixed to the lower control arm (6).

5. Suspension system (100) according to claim 1, characterized in that the damper and the air spring (3) are arranged in sequence in the height direction.

6. Suspension system (100) according to any one of claims 1-5, characterized in that the shock absorber is configured as a linear motor (2), the linear motor (2) comprising a mover member (22) and a stator member (21), the stator member (21) being adapted to be connected to the vehicle body (300) and to one end of the air spring (3), the other end of the mover member (22) and the air spring (3) being connected to the axle (200).

7. The suspension system (100) according to claim 6, wherein the stator component (21) is sheathed in the mover component (22).

8. The suspension system (100) of claim 6, wherein the stator component (21) includes a stator mounting portion (211) and an electromagnetic coil (212), the electromagnetic coil (212) is wound around the stator mounting portion (211), the mover component (22) includes a cylinder (221) and a permanent magnet set (222) disposed on the cylinder (221), and the permanent magnet set (222) is coupled to the electromagnetic coil (212).

9. The suspension system (100) of claim 8, wherein the plurality of electromagnetic coils (212) is provided in plurality, the plurality of electromagnetic coils (212) is arranged at intervals around the circumference of the stator mounting portion (211), the plurality of permanent magnet groups (222) is provided in plurality, the plurality of permanent magnet groups (222) is arranged at intervals around the circumference of the cylinder body (221), and the plurality of permanent magnet groups (222) and the plurality of electromagnetic coils (212) are arranged in one-to-one correspondence.

10. The suspension system (100) of claim 9, wherein each of the permanent magnet groups (222) includes a plurality of permanent magnets (223) spaced apart along a height of the cylinder (221).

11. A vehicle, characterized by comprising: vehicle body (300), an axle (200) and a suspension system (100) according to any one of claims 1-10.