Suspension system and automobile

Abstract

The utility model discloses a suspension system and an automobile, which are used for arranging an automobile power assembly on an auxiliary frame, and relates to the technical field of automobiles, the suspension system comprises a plunger pump, and the plunger pump comprises a pump body and a telescopic cylinder; the pump body and the auxiliary frame are mounted in a hanging manner; the telescopic cylinder is arranged on the outer side of the pump body in a sleeving mode and connected with an automobile power assembly. A closed oil storage cavity is defined by the outer circumferential wall of the pump body and the inner circumferential wall of the telescopic cylinder, and the pump body is used for conveying oil into the oil storage cavity or sucking oil into the oil storage cavity so as to drive the telescopic cylinder to ascend and descend in the axial direction of the plunger pump. The utility model aims to reduce the volume of the suspension system and improve the utilization rate of the vehicle space.

Description

Technical Field

[0001] The utility model relates to the technical field of automobiles, in particular to a suspension system and an automobile. Background Art

[0002] The suspension system is a connecting device between the car's frame and axles or wheels. Its function is to transfer the forces and torques acting between the wheels and the frame, to cushion the impact forces transmitted to the frame or body by uneven roads, and to attenuate the vibrations caused thereby to ensure that the car can run smoothly.

[0003] In modern vehicle design, suspension performance and space utilization are key design considerations. A suspension system typically includes a hydraulic system and a support mechanism. The support mechanism consists of a support rod and various connectors. The support rod is connected to the subframe via connectors such as rubber bushings, ball joints, or hydraulic bushings to achieve a flexible connection between the vehicle's powertrain and body. The hydraulic system typically includes a hydraulic pump (such as a plunger pump) and a hydraulic oil circuit. The hydraulic pump is connected to the various cylinders in the suspension system through the oil circuit. By adjusting the flow of hydraulic oil, the height of the support mechanism can be changed to adapt to different road conditions and driving requirements.

[0004] With the advancement of automotive technology and the increasing demand for optimized vehicle space, there is a need to reduce interior space while maintaining suspension system performance. However, plunger pumps are typically installed separately within the vehicle's hydraulic system, requiring additional space and resulting in insufficient space in the vehicle's powertrain area. Furthermore, the various components of the suspension system's support mechanism also occupy a significant amount of space, further limiting the available interior space. Therefore, existing suspension systems require optimization in terms of space utilization and system complexity. Utility Model Content

[0005] The main purpose of the utility model is to provide a suspension system, which aims to reduce the volume of the suspension system and improve the utilization rate of vehicle space.

[0006] To achieve the above-mentioned purpose, the utility model proposes a suspension system for placing an automobile powertrain on a subframe, the suspension system including a plunger pump, the plunger pump including a pump body and a telescopic cylinder; the pump body is suspended and installed on the subframe; the telescopic cylinder is sleeved on the outside of the pump body, and the telescopic cylinder is connected to the automobile powertrain; the outer peripheral wall of the pump body and the inner peripheral wall of the telescopic cylinder are arranged to form a closed oil storage cavity, the pump body is used to supply oil or absorb oil into the oil storage cavity to drive the telescopic cylinder to move up and down along the axial direction of the plunger pump.

[0007] In one embodiment, the pump body comprises:

[0008] A cylinder body, wherein the end surface of the cylinder body is provided with a plurality of plug-in channels; an oil storage tank and a communication tank are formed inside the cylinder body at intervals, the oil storage tank is connected to a part of the plug-in channels, and the communication tank is connected to another part of the plug-in channels; an oil flow port is provided on the outer wall of the cylinder body to connect the communication tank and the oil storage chamber; and

[0009] A plurality of plunger rods are provided in a one-to-one correspondence with the plurality of plug-in channels, the plunger rods are movably plugged into the plug-in channels, and one end of the plunger rod away from the cylinder body abuts against the rotating disk; the plunger rods are used to drive hydraulic oil to flow into or out of the plug-in channels;

[0010] In which, the pump body has a first state and a second state; in the first state, the plunger rod inputs the hydraulic oil of the oil storage tank from the plug-in channel into the oil storage cavity; in the second state, the plunger rod inputs the hydraulic oil of the oil storage cavity from the plug-in channel into the oil storage tank.

[0011] In one embodiment, the pump body further comprises a pump shaft and a rotating disk, wherein the rotating disk is coaxially sleeved on the outside of the pump shaft and spaced apart from the cylinder body along the axial direction of the pump body; the cylinder body is fixedly sleeved on the outside of the pump shaft; and one end of each plunger rod away from the cylinder body abuts against the rotating disk;

[0012] The suspension system further includes a first driving member and a second driving member, wherein the first driving member is drivingly connected to the rotating disk and is used to drive the rotating disk to be arranged at a first inclination angle or a second inclination angle relative to the pump shaft; the second driving member is drivingly connected to the pump shaft and is used to drive the pump shaft to rotate around its axial direction;

[0013] Wherein, in the first state, the rotating disk is set at the first tilt angle; in the second state, the rotating disk is set at the second tilt angle.

[0014] In one embodiment, the rotating disk includes an inner rotating disk, an outer swing disk, and a plurality of bearing balls. The inner rotating disk is coaxially sleeved on the outer side of the pump shaft, and a plurality of plug holes are opened on one end surface of the inner rotating disk; the outer swing disk is coaxially sleeved on the outer side of the inner rotating disk; the plurality of bearing balls are arranged between the outer peripheral wall of the inner rotating disk and the inner peripheral wall of the outer swing disk; the end of each plunger rod away from the cylinder body abuts against the inner rotating disk;

[0015] The first driving member is in transmission connection with the outer swing plate.

[0016] In one embodiment, the first driving member is a telescopic motor, and the driving end of the telescopic motor can be telescopically arranged along the axial direction of the pump shaft to abut against the end surface of the rotating disk.

[0017] In one embodiment, the second driving member is a rotary motor, and the rotary motor is provided on the sub-frame;

[0018] The suspension system further includes a coupling connecting the output shaft of the rotating electric machine and the pump shaft.

[0019] In one embodiment, the coupling is a universal joint.

[0020] In one embodiment, the suspension system further includes an elastic member, and the elastic member is provided between the telescopic cylinder and the automobile powertrain.

[0021] In one embodiment, the elastic member is an air spring assembly.

[0022] The utility model also provides a car, comprising the suspension system as described above.

[0023] The present invention realizes the combination of the plunger pump and the suspension support function by integrating the plunger pump with the suspension system. Specifically, in the present application, the pump body, as the core part of the plunger pump, is mainly responsible for sucking or extracting the hydraulic oil into the oil storage chamber between the pump body and the telescopic cylinder, thereby adjusting the volume of the hydraulic oil in the oil storage chamber so that the suspension system can be raised or lowered. For example, when the suspension needs to be raised, the plunger pump extracts the hydraulic oil from the oil storage chamber, so that the volume of the hydraulic oil in the oil storage chamber is reduced, the telescopic cylinder is extended, and the suspension is raised. When the suspension needs to be lowered, the plunger pump presses the hydraulic oil into the oil storage chamber, increases the volume of the hydraulic oil in the oil storage chamber, and the telescopic cylinder is compressed, so that the suspension is lowered. This dynamic adjustment mechanism can, on the one hand, improve the adaptability and stability of the suspension system under different working conditions. On the other hand, by utilizing the efficient hydraulic output and precise pressure control of the plunger pump, it can also provide stable hydraulic support for the suspension system, thereby enhancing the performance and stability of the suspension system. By optimizing the integration of the plunger pump and the suspension system, the utility model not only improves the hydraulic transmission efficiency and makes the system run more efficiently, but also reduces the independent components that require additional space in the traditional design, thereby effectively saving the interior space of the vehicle. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0025] Figure 1 A structural diagram of an embodiment of a suspension system provided by the present utility model;

[0026] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0027] Figure 3 This is a cross-sectional view of an embodiment of the pump body provided by the utility model.

[0028] Description of Figure Numbers:

[0029] 1000. Suspension system; 1. Plunger pump; 11. Pump body; 111. Cylinder body; 1111. Connecting channel; 1112. Oil storage tank; 1113. Connecting tank; 112. Plunger rod; 113. Rotating plate; 1131. Inner rotating plate; 1132. Outer swing plate; 1133. Bearing ball; 12. Telescopic cylinder; 13. Oil storage chamber; 2. First driving member; 3. Second driving member; 4. Coupling; 5. Elastic member; 51. Air spring.

[0030] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0031] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0032] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, etc.), the directional indications are only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture. If the specific posture changes, the directional indications will also change accordingly.

[0033] In addition, if there are descriptions involving "first", "second", etc. in the embodiments of the present invention, the descriptions of "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited to "first" and "second" may explicitly or implicitly include at least one of such features. In addition, if "and / or" or "and / or" appears in the full text, its meaning includes three parallel schemes. Taking "A and / or B" as an example, it includes scheme A, or scheme B, or a scheme in which A and B are satisfied at the same time. In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the ability of ordinary technicians in this field to implement. When the combination of technical solutions is mutually contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.

[0034] The present invention provides a suspension system 1000 .

[0035] See also Figures 1 to 3 In one embodiment of the present utility model, the suspension system 1000 includes a plunger pump 1, which includes a pump body 11 and a telescopic cylinder 12; the pump body 11 is suspended on the subframe; the telescopic cylinder 12 is sleeved on the outside of the pump body 11, and the telescopic cylinder 12 is connected to the automobile powertrain; the outer peripheral wall of the pump body 11 and the inner peripheral wall of the telescopic cylinder 12 are surrounded to form a closed oil storage chamber 13, and the pump body 11 is used to supply oil or absorb oil into the oil storage chamber 13 to drive the telescopic cylinder 12 to move up and down along the axial direction of the plunger pump 1.

[0036] The present invention realizes the combination of the plunger pump 1 and the suspension support function by integrating the plunger pump 1 with the suspension system 1000. Specifically, in the present application, the pump body 11, as the core part of the plunger pump 1, is mainly responsible for sucking or extracting the hydraulic oil into the oil storage chamber 13 between the pump body 11 and the telescopic cylinder 12, thereby adjusting the volume of the hydraulic oil in the oil storage chamber 13 so that the suspension system 1000 can be raised or lowered. For example, when the suspension needs to be raised, the plunger pump 1 extracts the hydraulic oil from the oil storage chamber 13, so that the volume of the hydraulic oil in the oil storage chamber 13 is reduced, and the telescopic cylinder 12 is extended, so that the suspension is raised. When the suspension needs to be lowered, the plunger pump 1 presses the hydraulic oil into the oil storage chamber 13, increases the volume of the hydraulic oil in the oil storage chamber 13, and the telescopic cylinder 12 is compressed, so that the suspension is lowered. This dynamic adjustment mechanism not only improves the adaptability and stability of the suspension system 1000 under different operating conditions, but also leverages the efficient hydraulic output and precise pressure control of the plunger pump 1 to provide stable hydraulic support for the suspension system 1000, thereby enhancing the performance and stability of the suspension system 1000. By optimizing the integration of the plunger pump 1 and the suspension system 1000, the present invention not only improves hydraulic transmission efficiency, making the system more efficient, but also reduces the number of independent components that require additional space in traditional designs, thereby effectively saving space within the vehicle.

[0037] It should be explained that suspension installation usually refers to fixing an object or equipment on another structure through a certain supporting structure so that it can be suspended in the air, rather than being placed directly on the ground or platform, to reduce the transmission of vibration and impact. The above-mentioned "pump body 11 and subframe suspension installation" is to limit the pump body 11 to not necessarily be rigidly fixed on the subframe, but may also be installed through some elastic connection device (such as rubber pads, springs, shock absorbers, etc.), thereby allowing a certain degree of displacement or vibration absorption to reduce the impact of the pump body 11 on the subframe and even the entire vehicle when it is working. The pump body 11 is installed on the subframe by suspension to ensure the smooth operation of the pump body 11 and reduce the vibration impact on the vehicle structure, especially when the pump body 11 generates large vibrations when it is working. This installation method helps to improve the reliability and durability of the entire system.

[0038] In one embodiment, the pump body 11 includes a cylinder body 111 and a plurality of plunger rods 112. The end surface of the cylinder body 111 is provided with a plurality of plug-in channels 1111. The interior of the cylinder body 111 is formed with oil storage grooves 1112 and communication grooves 1113 arranged at intervals. The oil storage grooves 1112 are connected to part of the plug-in channels 1111, and the communication grooves 1113 are connected to another part of the plug-in channels 1111. The outer wall of the cylinder body 111 is provided with an oil flow port connecting the communication grooves 1113 and the oil storage chamber 13. The plurality of plunger rods 112 are connected to the plurality of plug-in channels 1111. The channels 1111 are arranged in a one-to-one correspondence, and the plunger rod 112 is movably inserted in the plug-in channel 1111; the plunger rod 112 is used to drive the hydraulic oil to flow into the plug-in channel 1111 or out of the plug-in channel 1111; wherein, the pump body 11 has a first state and a second state; in the first state, the plunger rod 112 inputs the hydraulic oil in the oil storage tank 1112 from the plug-in channel 1111 into the oil storage chamber 13; in the second state, the plunger rod 112 inputs the hydraulic oil in the oil storage chamber 13 from the plug-in channel 1111 into the oil storage tank 1112. It can be known that in the above structure, the plunger rod 112 drives the hydraulic oil to flow between the oil storage tank 1112, the connecting groove 1113 and the oil storage chamber 13 through the reciprocating motion in the plug-in channel 1111, thereby realizing the volume change of the hydraulic oil in the oil storage chamber 13. Specifically, when the plunger rod 112 moves from the side close to the cylinder body 111 to the side away from the cylinder body 111, due to the negative pressure, the plunger rod 112 performs the oil suction action, that is, the hydraulic oil in the oil storage tank 1112 or the oil storage chamber 13 is sucked into the plug-in channel 1111, and when the plunger rod 112 moves from the side close to the cylinder body 111 to the side away from the cylinder body 1 ... When moving from the side away from the cylinder body 111 to the side close to the cylinder body 111, the plunger rod 112 performs an oil pushing action, that is, pressurizing the hydraulic oil in the plug-in channel 1111 into the oil storage tank 1112 or the oil storage chamber 13. Therefore, in the first state, when each plug-in channel 1111 is connected to the oil storage tank 1112, the plunger rod 112 therein performs an oil suction action, and when each plug-in channel 1111 is connected to the communication groove 1113, the plunger rod 112 performs an oil pushing action to input the hydraulic oil in the oil storage tank 1112 into the oil storage chamber 13. Similarly, in the second state, when each plug-in channel 1111 is connected to the oil storage tank 1112, the plunger rod 112 therein performs an oil pushing action, and when each plug-in channel 1111 is connected to the communication groove 1113, the plunger rod 112 performs an oil suction action to input the hydraulic oil in the oil storage chamber 13 into the oil storage tank 1112. Of course, the above-mentioned state changes can be achieved by a control device or control mechanism, which will be further explained later.

[0039] In one embodiment, the pump body 11 also includes a pump shaft and a rotating disk 113, the rotating disk 113 is coaxially sleeved on the outside of the pump shaft and is spaced apart from the cylinder body 111 along the axial direction of the pump body 11; the cylinder body 111 is fixedly sleeved on the outside of the pump shaft; one end of each plunger rod 112 away from the cylinder body 111 abuts against the rotating disk 113; the suspension system 1000 also includes a first driving member 2 and a second driving member 3, the first driving member 2 is transmission-connected to the rotating disk 113, and is used to drive the rotating disk 113 to be set at a first inclination angle or a second inclination angle relative to the pump shaft; the second driving member 3 is transmission-connected to the pump shaft, and is used to drive the pump shaft to rotate around its axial direction; wherein, in the first state, the rotating disk 113 is set at a first inclination angle; in the second state, the rotating disk 113 is set at a second inclination angle. By changing the inclination angle of the rotating disk 113 by the first driving member 2, the different states of the plunger rod 112 can be flexibly controlled to realize the oil suction and oil pushing actions of the plunger rod 112, thereby meeting the telescopic requirements of the telescopic cylinder 12 and realizing the automation of the adjustment of the pump body 11. For example, when the plunger rod 112 is required to be in the first state, the rotating disk 113 can be tilted toward the side where the connecting groove 1113 is provided. When the plunger rod 112 is required to be in the second state, the rotating disk 113 can be tilted toward the side where the oil storage tank 1112 is provided. In addition, the first inclination angle and the second inclination angle mentioned here are not necessarily a specific numerical value, but can be a range of values. This means that the rotating disk 113 can be tilted within a certain range to meet different control requirements. Different inclination angles are related to the volume change of the hydraulic oil in the oil storage chamber 13.

[0040] In one embodiment, the rotating disk 113 includes an inner turntable 1131, an outer swing disk 1132 and a plurality of bearing balls 1133. The inner turntable 1131 is coaxially sleeved on the outside of the pump shaft, and a plurality of plug holes are opened on one end face of the inner turntable 1131; the outer swing disk 1132 is coaxially sleeved on the outside of the inner turntable 1131; the plurality of bearing balls 1133 are arranged between the outer peripheral wall of the inner turntable 1131 and the inner peripheral wall of the outer swing disk 1132; one end of each plunger rod 112 away from the cylinder body 111 is in contact with the inner turntable 1131; the first driving member 2 is transmission-connected to the outer swing disk 1132. Specifically, the cylinder body 111 rotates with the pump shaft, and the plunger rod 112 in its socket also rotates accordingly. Under the action of the first drive member 2, the outer swing plate 1132 can drive the inner turntable 1131 to tilt relative to the pump shaft. This tilting movement changes the position of the plunger rod 112 in the socket, thereby realizing the oil suction or oil pushing action of the plunger rod 112. In addition, the bearing ball 1133 ensures smooth movement between the inner turntable 1131 and the outer swing plate 1132, reducing friction and wear during the tilting process. This design enables the pump body 11 to be adjusted quickly and efficiently according to different working requirements, and is suitable for application scenarios requiring precise hydraulic control.

[0041] In another embodiment, since the rotating disk 113 mainly serves to change the different actions of the plunger rod 112 in different positions, the rotating disk 113 can be fixedly connected to the pump shaft using a sleeve during actual assembly, so that it rotates with the pump shaft. However, in this case, considering that the output end of the first drive member 2 needs to maintain contact with the rotating disk 113 under high-speed rotation to change the inclination angle of the rotating disk 113, this can easily reduce the service life of the parts. In this case, it can be considered to install a roller or drum at the driving end of the first drive member, so that when the first drive motor is working, the roller contacts the surface of the rotating disk 113 and rotates relative to it, rather than sliding. This method can reduce friction, improve the efficiency and life of the system, and during the entire contact process, the roller always maintains contact with the rotating disk 113, ensuring that the rotating disk 113 can smoothly change its inclination angle without jumping or disengaging.

[0042] In one embodiment, the first driving member 2 is a telescopic motor, and the driving end of the telescopic motor can be set to be telescopic along the axial direction of the pump shaft to abut the end face of the rotating disk 113. The driving end of the telescopic motor can abut the end face of the rotating disk 113 by axial expansion and contraction. When the driving end of the motor expands and contracts forward, it contacts one side of the end face of the rotating disk 113, so that the rotating disk 113 will tilt; when the driving end of the motor contracts backward, it will drive the rotating disk 113 to tilt toward the other side. The axial expansion and contraction capability of the telescopic motor allows for precise control of the movement of the rotating disk 113. By adjusting the expansion and contraction amount of the motor, the inclination angle of the outer swing disk 1132 can be precisely controlled, thereby achieving fine adjustment of the working state of the pump body 11.

[0043] In one embodiment, the second drive element 3 is a rotary motor mounted on the subframe. The suspension system 1000 further includes a coupling 4 connecting the output shaft of the rotary motor and the pump shaft. When the rotary motor is started, its output shaft begins to rotate, and the rotational motion of the rotary motor is transmitted to the pump shaft via the coupling 4.

[0044] In one embodiment, coupling 4 is a universal joint. A universal joint is a type of coupling 4 that allows two shafts to rotate relative to each other within a certain angular range, particularly when there is angular misalignment or non-parallelism between the shafts. The universal joint allows for a certain angular misalignment between the rotating motor and the pump shaft. This means that even if the layout or movement of the suspension system 1000 causes the two shafts to be non-parallel, the universal joint can still effectively transmit rotational power. Furthermore, when the pump shaft needs to perform complex movements to follow the movement of the suspension, the universal joint ensures continuous power transmission.

[0045] In one embodiment, suspension system 1000 further includes an elastic member 5, which is positioned between telescopic cylinder 12 and the vehicle's powertrain. Elastic member 5 is a crucial component of suspension system 1000, typically absorbing and cushioning vibrations caused by uneven road surfaces, protecting the vehicle from damage and improving ride comfort. Elastic member 5 can be a rubber bushing, a hydraulic or pneumatic spring, or a metal spring.

[0046] In one embodiment, the elastic member 5 is an air spring 51 assembly. The air spring 51 can adjust the internal air pressure as needed, thereby varying the spring stiffness. This allows the suspension system 1000 to tailor its performance to varying loads and driving conditions. Furthermore, the air spring 51 can adjust the vehicle's height by increasing or decreasing the amount of air within it. This is particularly useful for maintaining a level vehicle when loaded with varying weights. Compared to metal springs, air springs 51 are less susceptible to metal fatigue and therefore generally have a longer service life.

[0047] The present invention also provides a car, which includes a suspension system 1000. The specific structure of the suspension system 1000 refers to the above embodiments. Since the car adopts all the technical solutions of all the above embodiments, it has at least all the beneficial effects brought by the technical solutions of the above embodiments, which will not be described one by one here.

[0048] The above description is merely an exemplary embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made using the contents of the present invention specification and drawings under the technical concept of the present invention, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A suspension system for placing an automobile powertrain on a subframe, characterized in that: The suspension system includes a plunger pump, which includes a pump body and a telescopic cylinder; the pump body is suspended from the subframe; the telescopic cylinder is sleeved on the outside of the pump body, and the telescopic cylinder is connected to the automobile powertrain; the outer peripheral wall of the pump body and the inner peripheral wall of the telescopic cylinder form a closed oil storage cavity, and the pump body is used to supply or absorb oil into the oil storage cavity to drive the telescopic cylinder to move up and down along the axial direction of the plunger pump.

2. The suspension system according to claim 1, wherein: The pump body comprises: A cylinder body, wherein the end surface of the cylinder body is provided with a plurality of plug-in channels; an oil storage tank and a communication tank are formed inside the cylinder body at intervals, the oil storage tank is connected to a part of the plug-in channels, and the communication tank is connected to another part of the plug-in channels; an oil flow port is provided on the outer wall of the cylinder body to connect the communication tank and the oil storage chamber; and A plurality of plunger rods, each of the plurality of plunger rods being arranged in a one-to-one correspondence with the plurality of plug-in channels, the plunger rods being movably plugged into the plug-in channels; the plunger rods being used to drive hydraulic oil to flow into or out of the plug-in channels; In which, the pump body has a first state and a second state; in the first state, the plunger rod inputs the hydraulic oil of the oil storage tank from the plug-in channel into the oil storage cavity; in the second state, the plunger rod inputs the hydraulic oil of the oil storage cavity from the plug-in channel into the oil storage tank.

3. The suspension system according to claim 2, wherein: The pump body further comprises a pump shaft and a rotating disk, wherein the rotating disk is coaxially sleeved on the outside of the pump shaft and spaced apart from the cylinder body along the axial direction of the pump body; the cylinder body is fixedly sleeved on the outside of the pump shaft; one end of each plunger rod away from the cylinder body abuts against the rotating disk; The suspension system further includes a first driving member and a second driving member, wherein the first driving member is drivingly connected to the rotating disk and is used to drive the rotating disk to be arranged at a first inclination angle or a second inclination angle relative to the pump shaft; the second driving member is drivingly connected to the pump shaft and is used to drive the pump shaft to rotate around its axial direction; Wherein, in the first state, the rotating disk is set at the first tilt angle; in the second state, the rotating disk is set at the second tilt angle.

4. The suspension system according to claim 3, wherein: The rotating disk includes an inner rotating disk, an outer swing disk, and a plurality of bearing balls. The inner rotating disk is coaxially sleeved on the outer side of the pump shaft, and a plurality of plug holes are opened on one end surface of the inner rotating disk; the outer swing disk is coaxially sleeved on the outer side of the inner rotating disk; the plurality of bearing balls are arranged between the outer peripheral wall of the inner rotating disk and the inner peripheral wall of the outer swing disk; The first driving member is in transmission connection with the outer swing plate.

5. The suspension system according to claim 3, wherein: The first driving member is a telescopic motor, and the driving end of the telescopic motor can be telescopically arranged along the axial direction of the pump shaft to abut against the end surface of the rotating disk.

6. The suspension system according to claim 3, wherein: The second driving member is a rotary motor, and the rotary motor is provided on the sub-frame; The suspension system further includes a coupling connecting the output shaft of the rotating electric machine and the pump shaft.

7. The suspension system according to claim 6, wherein: The coupling is a universal joint.

8. The suspension system according to any one of claims 1 to 7, characterized in that The suspension system further comprises an elastic member, which is arranged between the telescopic cylinder and the automobile power assembly.

9. The suspension system according to claim 8, wherein: The elastic member is an air spring assembly.

10. An automobile, characterized in that: Comprising a suspension system as claimed in any one of claims 1 to 9.

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