CN116039358A - Semi-active suspension and vehicle - Google Patents
Semi-active suspension and vehicle Download PDFInfo
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- CN116039358A CN116039358A CN202310025666.1A CN202310025666A CN116039358A CN 116039358 A CN116039358 A CN 116039358A CN 202310025666 A CN202310025666 A CN 202310025666A CN 116039358 A CN116039358 A CN 116039358A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
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- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention provides a semi-active suspension and a vehicle, wherein the semi-active suspension comprises: the first installation frame is connected with the second installation frame, a first installation part is arranged on the first installation frame, a second installation part is arranged on the second installation frame, the second installation part is elastically connected with the second installation frame, the first installation part is used for being close to the power assembly, and the second installation part is used for being far away from the power assembly; the first buffer part is connected with one side of the first mounting frame, which is used for facing the power assembly, and is used for elastically abutting against the power assembly; the second buffer part is connected with two parts of the second mounting frame, which face the top and the bottom of the second mounting part, and the second buffer part is used for elastically abutting against the second mounting part; the third buffer part is connected with two parts of the second mounting frame facing the left part and the right part of the second mounting part, and the third buffer part is used for elastically abutting against the second mounting part. The structure reduces the vibration conduction of the power assembly from the X direction, the Y direction and the Z direction so as to improve the riding comfort of passengers.
Description
Technical Field
The invention relates to the technical field of vehicles, in particular to a semi-active suspension and a vehicle.
Background
Vibration of the power assembly is transmitted to a vehicle body or a vehicle frame through the power assembly suspension system and is transmitted to passengers through seats and floors, comfort and user experience of the passengers are directly affected, vibration isolation performance of the power assembly suspension system occupies a crucial position in NVH performance development of the whole vehicle, and the vibration isolation performance of the power assembly suspension system is one of important influence factors of riding comfort in the vehicle.
The engine torque becomes larger and the transient impact load becomes larger, and the requirement on the suspension of the power assembly is also higher and higher. The required power assembly suspension not only has high rigidity and full-direction limiting control of the displacement of the power assembly, but also has the functions of high damping, isolation of the vibration of the power assembly and coping with high impact load. In a common three-point type arranged power assembly suspension system, a rear suspension is usually a rubber suspension, the vertical direction z-direction limiting is easy to realize, the x-direction limiting function and the y-direction limiting function are weak, meanwhile, the rubber damping is smaller, the vibration isolation requirement of the power assembly on the suspension system in a wide frequency range cannot be met, and the further improvement of the riding comfort of an automobile is not facilitated.
In view of the above problems, no effective solution has been proposed at present.
Disclosure of Invention
The invention mainly aims to provide a semi-active suspension, a power assembly and a vehicle, so as to solve the technical problem that the vibration isolation performance of the existing power assembly suspension system is poor.
To achieve the above object, according to one aspect of the present invention, there is provided a semi-active suspension comprising: the framework comprises a first installation frame and a second installation frame, the first installation frame is connected with the second installation frame, a first installation part is arranged on the first installation frame, a second installation part is arranged on the second installation frame, the second installation part is elastically connected with the second installation frame, wherein the first installation part is used for being close to the power assembly, and the second installation part is used for being far away from the power assembly; the first buffer part is connected with one side of the first mounting frame, which is used for facing the power assembly, and is used for elastically abutting against the power assembly; the second buffer part is connected with two parts of the second mounting frame, which face the top and the bottom of the second mounting part, and is used for elastically abutting against the second mounting part; and the third buffer part is connected with two parts of the second mounting frame, which face the left part and the right part of the second mounting part, and is used for elastically abutting against the second mounting part.
Further, the middle part of second mounting bracket has the fretwork area, and the second installation department passes through the elastic component and is connected with the inner wall of second mounting bracket, and second installation department is located in the fretwork area, forms the buffering space between second installation department and the second mounting bracket.
Further, the outer wall of the second installation portion is provided with a first protrusion and a second protrusion, the first protrusion is arranged towards the second buffer portion, and the second protrusion is arranged towards the third buffer portion.
Further, the hollowed-out area of the second mounting frame is a cylindrical area.
Further, the first mounting portion is two otic placodes formed on the first mounting bracket, and an avoidance area is formed between the two otic placodes.
Further, the first buffer part is a first rubber pad, and one side surface, far away from the first mounting frame, of the first rubber pad is a corrugated surface.
Further, a damper is mounted on the outer side surface of the skeleton, and the axial direction of the damper is the same as the buffering direction of the second buffering portion.
Further, the first mounting frame and the second mounting frame are provided with lightening holes.
Further, a reinforcing rib is arranged between the first mounting frame and the second mounting frame.
According to another aspect of the present invention, there is provided a vehicle comprising a semi-active suspension as described above.
By applying the technical scheme of the invention, the first mounting part is used for being connected with the power assembly, the second mounting part is used for being connected with the frame, the power assembly is positioned at the front part of the frame, namely, the framework is positioned between the power assembly and the frame, and the first mounting part and the second mounting part are arranged at intervals front and back. When the power assembly vibrates forwards and backwards, the first buffer part elastically abuts against the power assembly forwards and backwards so as to reduce transmission of vibration to the frame. When the power assembly vibrates up and down, the second buffer part is elastically abutted with the second installation part up and down so as to reduce the transmission of vibration to the frame. When the power assembly vibrates left and right, the second buffer part is elastically abutted left and right with the second mounting part so as to reduce the transmission of vibration to the frame. The semi-active suspension buffer structure reduces the vibration conduction of the power assembly from six degrees of freedom of X direction, Y direction and Z direction so as to improve the riding comfort of passengers. In addition, the three buffer parts are independently arranged, so that mutual restraint is avoided, and the transmission of vibration can be further improved and reduced.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention. In the drawings:
FIG. 1 shows a schematic perspective view of an embodiment of a semi-active suspension according to the present invention;
FIG. 2 shows a schematic front view of an embodiment of a semi-active suspension according to the present invention;
fig. 3 shows a schematic rear view of an embodiment of a semi-active suspension according to the invention.
Wherein the above figures include the following reference numerals:
10. a first mounting frame; 11. a second mounting frame; 12. a first mounting portion; 13. a second mounting portion; 14. an avoidance zone; 15. a lightening hole; 16. reinforcing ribs; 17. a limit part; 18. an elastic member;
20. a first buffer section;
30. a second buffer section;
40. a third buffer section;
50. a buffer space; 51. a first protrusion; 52. a second protrusion;
60. a damper.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The invention will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the terms so used are interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Exemplary embodiments according to the present application will now be described in more detail with reference to the accompanying drawings. These exemplary embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. It should be understood that these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of these exemplary embodiments to those skilled in the art, that in the drawings, it is possible to enlarge the thicknesses of layers and regions for clarity, and that identical reference numerals are used to designate identical devices, and thus descriptions thereof will be omitted.
As shown in connection with fig. 1-3, a semi-active suspension is provided in accordance with an embodiment of the present application.
Specifically, the semi-active suspension includes: the frame, the first buffer portion 20, the second buffer portion 30, and the third buffer portion 40. The skeleton includes: the first mounting bracket 10 and the second mounting bracket 11, first mounting bracket 10 is connected with second mounting bracket 11, is equipped with first installation department 12 on the first mounting bracket 10, is equipped with second installation department 13 on the second mounting bracket 11, and second installation department 13 and second mounting bracket 11 elastic connection, wherein, first installation department 12 is used for being close to the power assembly setting, and second installation department 13 is used for keeping away from the power assembly setting. The first buffer part 20 is connected with one side of the first mounting frame 10, which is used for facing the power assembly, and the first buffer part 20 is used for elastically abutting against the power assembly. The second buffer portion 30 is connected to two portions of the second mounting frame 11 facing the top and the bottom of the second mounting portion 13, and the second buffer portion 30 is elastically abutted against the second mounting portion 13. The third buffer portion 40 is connected to two portions of the second mounting frame 11 facing the left and right portions of the second mounting portion 13, and the third buffer portion 40 is configured to elastically abut against the second mounting portion 13.
In the embodiment of the application, the first mounting portion 12 is used for being connected with a power assembly, the second mounting portion 13 is used for being connected with a frame, the power assembly is located at the front portion of the frame, namely, the framework is located between the power assembly and the frame, and the first mounting portion 12 and the second mounting portion 13 are arranged in a front-back interval mode. When the power assembly vibrates forwards and backwards, the first buffer part 20 elastically abuts against the power assembly forwards and backwards so as to reduce the transmission of vibration to the frame. When the power assembly vibrates up and down, the second buffer part 30 elastically abuts against the second mounting part 13 up and down to reduce the transmission of vibration to the frame. When the powertrain vibrates left and right, the second buffer portion 30 elastically abuts against the second mounting portion 13 left and right to reduce transmission of vibration to the vehicle frame. The semi-active suspension buffer structure reduces the vibration conduction of the power assembly from six degrees of freedom of X direction, Y direction and Z direction so as to improve the riding comfort of passengers. In addition, the three buffer parts are independently arranged, so that mutual restraint is avoided, and the transmission of vibration can be further improved and reduced.
Further, the middle part of the second mounting frame 11 is provided with a hollowed-out area, the second mounting portion 13 is connected with the inner wall of the second mounting frame 11 through an elastic piece 18, the second mounting portion 13 is located in the hollowed-out area, and a buffer space 50 is formed between the second mounting portion 13 and the second mounting frame 11. Specifically, the elastic member 18 is made of rubber, when the second mounting frame 11 follows the vibration of the power assembly, the second mounting portion 13 swings in the buffer space 50, and after exceeding a preset swing amplitude, the second mounting portion 13 elastically abuts against the second buffer portion 30 or the third buffer portion 40, and absorbs part of the vibration through the second buffer portion 30 or the third buffer portion 40, so as to reduce the transmission of the vibration to the vehicle frame. The second installation department 13 establishes the setting with second mounting bracket 11 cover, not only can realize the buffering collision of second installation department 13 and second mounting bracket 11 at arbitrary angle, and overall structure is simple, compact moreover.
The two elastic members 18 are symmetrically arranged left and right, and the second mounting portion 13 is connected with the inner wall of the second mounting frame 11 through the two elastic members 18. The intermediate position of the second installation part 13 is provided with a first installation hole, the first installation hole is connected with the frame through the installation hole, and the central position of the first installation hole is consistent with the central position of the hollowed-out area.
Further, the outer wall of the second mounting portion 13 is provided with a first protrusion 51 and a second protrusion 52, the first protrusion 51 being provided toward the second buffer portion 30, the second protrusion 52 being provided toward the third buffer portion 40. The first protrusions 51 and the second protrusions 52 are provided to reduce the buffer distance between the second mounting portion 13 and the second mounting frame 11, thereby reducing the swing amplitude of the second mounting portion 13.
The hollow area of the second mounting frame 11 is a cylindrical area, that is, the inner side wall of the second mounting frame 11 is an arc surface. The arrangement of the arc surface avoids collision between the second installation part 13 and the edge of the second installation frame 11, and can further reduce vibration conduction.
Specifically, the outer shape of the second mounting frame 11 is not limited, and may be any shape.
Further, the second buffer portion 30 is a second rubber pad connected to the inner wall of the second mounting frame 11, and the third buffer portion 40 is a third rubber pad connected to the inner wall of the second mounting frame 11. In order to facilitate the installation of the second rubber pad and the third rubber pad, the second rubber pad and the third rubber pad are integrally formed into an annular structure. In order to further absorb vibration and reduce conduction of vibration, a rubber layer is vulcanized on the outer wall of the second mounting portion 13.
In order to further reduce the buffer distance between the second mounting portion 13 and the second mounting frame 11, the second buffer portion 30 or the third buffer portion 40 is provided with a limiting portion 17, where the limiting portion 17 is a protrusion disposed towards the second mounting portion 13, and the limiting portion 17 is made of rubber.
Further, the first buffer portion 20 is a first rubber pad, and a side surface of the first rubber pad, which is far away from the first mounting frame 10, is a corrugated surface. The provision of the corrugated surface can further alleviate the collision between the first buffer portion 20 and the power assembly, improve the vibration absorbing effect, and reduce the transmission of vibration.
Wherein, two first buffer parts 20 are arranged on the first mounting frame 10 at left and right intervals. The first buffer portion 20 has an L-shaped structure, one side surface of the first buffer portion 20 is attached to the front surface of the first mounting frame 10, and the other side surface of the first buffer portion 20 is attached to the side surface of the second mounting frame 11. The first buffer portion 20 is provided in an L-shaped structure, and mounting errors of the first buffer portion 20 are avoided. Meanwhile, the first buffer part 20 is of an L-shaped structure, so that the position of the first buffer part 20 can be limited, and the first buffer part 20 is prevented from rotating.
Further, a damper 60 is mounted on the outer side surface of the frame, and the axial direction of the damper 60 is the same as the cushioning direction of the second cushioning portion 30. Specifically, the damper 60 is in signal connection with a vehicle control unit of the vehicle, and the vehicle control unit is installed with a preset strategy to send out pulse control signals according to the running condition and the road condition of the vehicle, so as to control the push rod of the damper 60 to move, thereby changing the system damping and obtaining better vehicle performance.
Further, the first mounting portion 12 is two ear plates formed on the first mounting frame 10, and an avoidance area 14 is formed between the two ear plates. Specifically, the first mounting portion 12 is provided with a second mounting hole, and the second mounting portion 13 is connected to the power assembly through the second mounting hole. The arrangement of the avoidance area 14 provides a reserved arrangement space for a flange at the output end of the power assembly, so that interference is avoided. That is, the first mounting portion 12 is located above the second mounting portion 13, and the second mounting portion 13 is located at a position where it is provided while providing a space for the flange of the power assembly output end to be reserved.
In order to reduce the weight of the whole vehicle, the first mount 10 and the second mount 11 are each provided with a weight-reducing hole 15, and specifically, the weight-reducing hole 15 of the second mount 11 is opened on the second mount portion 13.
Further, a reinforcing rib 16 is provided between the first mount 10 and the second mount 11. The reinforcing ribs 16 are provided to strengthen the stability of the connection of the first mounting frame 10 and the second mounting frame 11.
According to another embodiment of the present application, a vehicle is provided that includes a semi-active suspension, which is the semi-active suspension of the above embodiments.
Spatially relative terms, such as "above … …," "above … …," "upper surface at … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial location relative to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "above" or "over" other devices or structures would then be oriented "below" or "beneath" the other devices or structures. Thus, the exemplary term "above … …" may include both orientations of "above … …" and "below … …". The device may also be positioned in other different ways (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
In addition to the foregoing, references in the specification to "one embodiment," "another embodiment," "an embodiment," etc., mean that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment described in general terms in the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment. Further, when a particular feature, structure, or characteristic is described in connection with any embodiment, it is intended that such feature, structure, or characteristic be implemented within the scope of the invention.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and for parts of one embodiment that are not described in detail, reference may be made to related descriptions of other embodiments.
The above description is only of the preferred embodiments of the present invention and is not intended to limit the present invention, but various modifications and variations can be made to the present invention by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A semi-active suspension comprising:
the framework comprises a first installation frame (10) and a second installation frame (11), wherein the first installation frame (10) is connected with the second installation frame (11), a first installation part (12) is arranged on the first installation frame (10), a second installation part (13) is arranged on the second installation frame (11), the second installation part (13) is elastically connected with the second installation frame (11), the first installation part (12) is used for being close to a power assembly, and the second installation part (13) is used for being far away from the power assembly;
the first buffer part (20) is connected with one side of the first mounting frame (10) which is used for facing the power assembly, and the first buffer part (20) is used for elastically abutting against the power assembly;
the second buffer part (30) is connected with two parts of the second mounting frame (11) facing the top and the bottom of the second mounting part (13), and the second buffer part (30) is used for elastically abutting against the second mounting part (13);
and a third buffer part (40), wherein the third buffer part (40) is connected with two parts of the second mounting frame (11) facing the left part and the right part of the second mounting part (13), and the third buffer part (40) is used for elastically abutting against the second mounting part (13).
2. A semi-active suspension according to claim 1, characterized in that the middle part of the second mounting frame (11) is provided with a hollowed-out area, the second mounting part (13) is connected with the inner wall of the second mounting frame (11) through an elastic piece (18), the second mounting part (13) is positioned in the hollowed-out area, and a buffer space (50) is formed between the second mounting part (13) and the second mounting frame (11).
3. A semi-active suspension according to claim 2, characterized in that the outer wall of the second mounting portion (13) is provided with a first protrusion (51) and a second protrusion (52), the first protrusion (51) being arranged towards the second buffer portion (30) and the second protrusion (52) being arranged towards the third buffer portion (40).
4. A semi-active suspension according to claim 2, characterized in that the hollowed-out area of the second mounting frame (11) is a cylindrical area.
5. A semi-active suspension according to claim 1, characterized in that the first mounting portion (12) is two ear plates formed on the first mounting frame (10), between which an avoidance area (14) is formed.
6. A semi-active suspension according to claim 1, wherein the first buffer (20) is a first rubber pad, a side of the first rubber pad remote from the first mounting frame (10) being a corrugated surface.
7. A semi-active suspension according to claim 1, characterized in that a damper (60) is mounted on the outer side of the skeleton, the axial direction of the damper (60) being the same as the damping direction of the second damping portion (30).
8. A semi-active suspension according to claim 1, characterized in that the first mount (10) and the second mount (11) are each provided with a lightening hole (15).
9. A semi-active suspension according to claim 1, characterized in that a stiffening rib (16) is provided between the first mount (10) and the second mount (11).
10. A vehicle comprising a semi-active suspension, characterized in that the semi-active suspension is a semi-active suspension according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310025666.1A CN116039358A (en) | 2023-01-09 | 2023-01-09 | Semi-active suspension and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310025666.1A CN116039358A (en) | 2023-01-09 | 2023-01-09 | Semi-active suspension and vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116039358A true CN116039358A (en) | 2023-05-02 |
Family
ID=86117711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310025666.1A Pending CN116039358A (en) | 2023-01-09 | 2023-01-09 | Semi-active suspension and vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116039358A (en) |
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2023
- 2023-01-09 CN CN202310025666.1A patent/CN116039358A/en active Pending
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