CN109050193B - Automotive suspension system - Google Patents
Automotive suspension system Download PDFInfo
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- CN109050193B CN109050193B CN201811001929.0A CN201811001929A CN109050193B CN 109050193 B CN109050193 B CN 109050193B CN 201811001929 A CN201811001929 A CN 201811001929A CN 109050193 B CN109050193 B CN 109050193B
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- damping spring
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- disc
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
- B60G17/0152—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements characterised by the action on a particular type of suspension unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/021—Spring characteristics, e.g. mechanical springs and mechanical adjusting means the mechanical spring being a coil spring
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
- B60G17/02—Spring characteristics, e.g. mechanical springs and mechanical adjusting means
- B60G17/04—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics
- B60G17/048—Spring characteristics, e.g. mechanical springs and mechanical adjusting means fluid spring characteristics with the regulating means inside the fluid springs
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2500/00—Indexing codes relating to the regulated action or device
- B60G2500/20—Spring action or springs
- B60G2500/22—Spring constant
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60G—VEHICLE SUSPENSION ARRANGEMENTS
- B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
- B60G2800/20—Stationary vehicle
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vehicle Body Suspensions (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The invention discloses an automobile suspension system which comprises a vibration damper, a sensitivity adjusting device and an annular damper, wherein the sensitivity adjusting device is used for adjusting the rigidity of the vibration damper, and the annular damper is connected with the vibration damper and is used for generating damping force. According to the automobile suspension system, the vibration damping device, the sensitivity adjusting device and the annular damper are arranged to be matched, so that the vibration damping effect is good, the reaction sensitivity is good, the comfort can be improved, the adjustment of the reaction sensitivity can be realized, and the adaptability is strong.
Description
Technical Field
The present invention relates to an automotive suspension system.
Background
Automobiles are increasingly used today, in which a suspension system for transmitting forces and moments acting between wheels and a vehicle frame, and for buffering impact force transmitted to the vehicle frame or a vehicle body from an uneven road surface and attenuating vibration caused thereby to ensure smooth driving of the vehicle is more important. Most of the existing suspension systems can meet the basic requirements of users, but the adjustment capability of drivers on the sensitivity under different conditions is not considered, the response sensitivity is poor, and the requirements of people on comfort can not be well met.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides an automobile suspension system, and aims to realize the adjustment of response sensitivity.
In order to achieve the purpose, the invention adopts the technical scheme that: an automotive suspension system includes a vibration damping device, a sensitivity adjustment device for adjusting the rigidity of the vibration damping device, and an annular damper connected to the vibration damping device and adapted to generate a damping force.
The annular damper is arranged inside the vibration damping device.
The damping device comprises a guide cylinder, a movable adjusting disc arranged in the guide cylinder, and a first damping spring, an … … and an nth damping spring which are arranged in the guide cylinder and used for providing elastic acting force for the adjusting disc, the sensitivity adjusting device enables the adjusting disc to be selectively contacted with the first damping spring, the … … and the nth damping spring, and the stiffness of the first damping spring, the stiffness of the … … and the stiffness of the nth damping spring are different.
The first damping spring, the … … damping spring and the nth damping spring are at least arranged, the first damping spring, the … … damping spring and the nth damping spring are uniformly distributed in the guide cylinder along the circumferential direction, and the length directions of the first damping spring, the … … damping spring and the nth damping spring are parallel to the axial direction of the guide cylinder.
The adjusting disc is rotatable relative to the guide cylinder, and the sensitivity adjusting device comprises an adjusting rod connected with the adjusting disc, an operating rod and a transmission mechanism connected with the operating rod and the adjusting rod.
The adjusting rod is parallel to the operating rod, and the transmission mechanism is a gear transmission mechanism.
The annular damper comprises an outer shell, a rotary disk rotatably arranged on the outer shell, a piston arranged in the outer shell and synchronously rotating with the rotary disk, an excitation coil arranged on the piston, and a motion conversion mechanism connected with the rotary disk and the adjusting disk and used for converting linear motion of the adjusting disk into rotary motion of the rotary disk, wherein magnetorheological fluid is filled in the outer shell.
The shell body is the hollow ring shape structure in inside, the shell body with the guide cylinder is coaxial setting, and the interior cavity of shell body is ring shape cavity, the rotary disk sets up in the center department of shell body and rotary disk and shell body be coaxial setting.
The piston sets up two, the inside of shell body is equipped with two baffles, and two baffles separate into two stock solution chambeies with the interior cavity of shell body, have a piston in each stock solution chamber respectively.
The motion conversion mechanism comprises a transmission rod connected with the adjusting disc, a transmission screw rod forming spiral transmission with the transmission rod, a first rotating shaft connected with the screw rod and the rotating disc, a first gear arranged on the first rotating shaft, a second rotating shaft parallel to the first rotating shaft, a second gear arranged on the second rotating shaft and meshed with the first gear, a swing rod connected with the second rotating shaft and a sliding block rotatably connected with the swing rod and slidably connected with the rotating disc.
According to the automobile suspension system, the vibration damping device, the sensitivity adjusting device and the annular damper are arranged to be matched, so that the vibration damping effect is good, the reaction sensitivity is good, the comfort can be improved, the adjustment of the reaction sensitivity can be realized, and the adaptability is strong.
Drawings
The description includes the following figures, the contents shown are respectively:
FIG. 1 is a schematic structural view of a suspension system for an automobile according to the present invention;
FIG. 2 is a cross-sectional view of a vibration damping device;
FIG. 3 is a top view of the damping device;
FIG. 4 is a schematic view of the construction of the annular damper;
FIG. 5 is a cross-sectional view of the annular damper;
FIG. 6 is a schematic view of the internal structure of the annular damper;
fig. 7 is a schematic structural view of the motion conversion mechanism;
FIG. 8 is a schematic view of the connection of the annular damper to the tuning disk;
labeled as: 1. a joystick; 2. adjusting a rod; 3. a transmission mechanism; 4. a vibration damping device; 401. a guide cylinder; 402. a first damping spring; 403. a second damping spring; 404. an adjusting disk; 5. an annular damper; 501. an outer housing; 502. a piston; 503. a rotating disk body; 504. rotating the rod; 505. a first gear; 506. a second gear; 507. a first rotating shaft; 508. a second rotating shaft; 509. a slider; 510. a swing rod; 511. a connecting rod; 512. a transmission rod; 513. and a screw rod.
Detailed Description
The following detailed description of the embodiments of the present invention will be given with reference to the accompanying drawings for a purpose of helping those skilled in the art to more fully, accurately and deeply understand the concept and technical solution of the present invention and to facilitate its implementation.
As shown in fig. 1 to 8, the present invention provides a suspension system for an automobile, including a vibration damping device 4, a sensitivity adjustment device for adjusting the rigidity of the vibration damping device 4, and an annular damper 5 connected to the vibration damping device 4 and generating a damping force.
Specifically, as shown in fig. 1 to 8, the annular damper 5 is disposed inside the vibration damping device 4, the vibration damping device 4 is connected to the sprung mass and the unsprung mass of the automobile, and the vibration damping device 4 is located between the sprung mass and the unsprung mass of the automobile, and during the running of the automobile, the sprung mass and the unsprung mass of the automobile move relative to each other or away from each other. The damping device 4 comprises a guide cylinder 401, a movable adjusting disc 404 arranged in the guide cylinder 401, and first damping springs 402, … … and an nth damping spring which are arranged in the guide cylinder 401 and used for providing elastic acting force for the adjusting disc 404, the sensitivity adjusting device enables the adjusting disc 404 to be selectively contacted with the first damping springs 402, … … and the nth damping spring, the stiffness of the first damping springs 402, … … and the stiffness of the nth damping spring are different, n is an integer and n is more than or equal to 2, namely at least two damping springs with different stiffness need to be arranged in the guide cylinder 401.
As shown in fig. 1 to 3, the guide cylinder 401 is a hollow cylinder, the first damping spring 402, the first damping spring … … and the nth damping spring are disposed inside the guide cylinder 401, the adjusting disc 404 is disposed in the inner cavity of the guide cylinder 401, the inner cavity of the guide cylinder 401 is a circular cavity, the adjusting disc 404 is a disc-shaped structure, the adjusting disc 404 and the guide cylinder 401 are coaxially disposed, the adjusting disc 404 is movable in the axial direction relative to the guide cylinder 401, and the guide cylinder 401 guides the adjusting disc 404. The initial position of the dial 404 is located at the lower end of the guide cylinder 401, the first damper springs 402, … … and the nth damper spring are sandwiched between the dial 404 and the upper end of the guide cylinder 401, the first damper springs 402, … … and the nth damper spring apply downward elastic force to the dial 404, and the length directions of the first damper springs 402, … … and the nth damper spring are parallel to the axial direction of the guide cylinder 401. The guide cylinder 401 is connected with the sprung mass of the automobile, the adjusting disc 404 is connected with the unsprung mass of the automobile, and in the running process of the automobile, the adjusting disc 404 is matched with the guide cylinder 401 and the damping spring to achieve the effects of buffering and damping.
Preferably, at least two first damper springs 402, … … and n-th damper springs are provided, the first damper springs 402, … … and n-th damper springs are uniformly distributed in the circumferential direction inside the guide cylinder 401, and all the first damper springs 402, … … and n-th damper springs are uniformly distributed in the circumferential direction inside the guide cylinder 401. When the adjusting disk 404 is at the initial position, the adjusting disk 404 is rotated by a certain angle around its own axis by rotating the adjusting disk 404, so that the adjusting disk 404 is rotated to a position where the adjusting disk contacts with a plurality of damping springs with the same stiffness, at this time, the stiffness of the damping device 4 is constant, and by changing the position of the adjusting disk 404, so that the adjusting disk 404 contacts with any one of the first damping springs 402, … … and the nth damping spring, the stiffness of the damping device 4 can be adjusted, the adaptability of the suspension system is improved, and the reaction sensitivity of the suspension system is improved.
As shown in fig. 1 to 3, in the present embodiment, n is equal to 2, that is, two first damper springs 402 and two second damper springs 403 are provided in the guide cylinder 401, two first damper springs 402 and two second damper springs 403 are provided, the stiffness of the first damper springs 402 and the stiffness of the second damper springs 403 are different, and each first damper spring 402 is located between two second damper springs 403 and each second damper spring 403 is located between two first damper springs 402 in the circumferential direction of the guide cylinder 401. The angle between each first damper spring 402 and the circumferentially adjacent second damper spring 403 is 90 degrees, and when the stiffness of the damper device 4 needs to be adjusted, the adjustment disc 404 needs to be rotated 90 degrees at the initial position, so that the adjustment disc 404 is in contact with two first damper springs 402 or two second damper springs 403.
As shown in fig. 1 to 3, the adjustment dial 404 is rotatable with respect to the guide cylinder 401, and the sensitivity adjustment device includes an adjustment lever 2 connected to the adjustment dial 404, an operation lever 1, and a transmission mechanism 3 connected to the operation lever 1 and the adjustment lever 2. The adjusting rod 2 is parallel to the operating rod 1, the transmission mechanism 3 is located below the adjusting disk 404, the adjusting rod 2 is fixedly connected with the adjusting disk 404 at the center of the adjusting disk 404, the lower end of the guide cylinder 401 is provided with an opening through which the adjusting rod 2 passes, and the center of the adjusting disk 404 is located in the length direction of the adjusting rod 2. The operating rod 1 is used for providing driving force, the operating rod 1 is rotatably arranged, and the driving force generated by the operating rod 1 is transmitted to the adjusting rod 2 through the transmission mechanism 3 so as to drive the adjusting rod 2 and the adjusting disc 404 to rotate, so that the rigidity of the vibration damper 4 is adjusted. The lower end of the adjusting rod 2 is connected with the transmission mechanism 3, and the upper end of the adjusting rod 2 is connected with the adjusting disc 404. The transmission mechanism 3 is preferably a gear transmission mechanism and is a primary gear mechanism, the adjusting rod 2 is connected with one gear of the gear transmission mechanism, and the operating rod 1 is connected with the other gear of the gear transmission mechanism. The sensitivity adjusting device has a simple structure and convenient arrangement, and can achieve the effect of selecting different reaction sensitivities by controlling the control lever 1 to rotate.
As shown in fig. 1, 4 to 8, the annular damper 5 is disposed in the inner cavity of the guide cylinder 401, the annular damper 5 includes an outer housing 501, a rotating disk rotatably disposed on the outer housing 501, a piston 502 disposed inside the outer housing 501 and rotating synchronously with the rotating disk, an exciting coil disposed on the piston 502, and a motion converting mechanism connected to the rotating disk and the adjusting disk 404 and converting a linear motion of the adjusting disk 404 into a rotational motion of the rotating disk, and the outer housing 501 is filled with a magnetorheological fluid. Outer shell 501 and guide cylinder 401 fixed connection, outer shell 501 are inside hollow ring shape structure, and outer shell 501 and guide cylinder 401 are coaxial setting, and the interior cavity of outer shell 501 is the ring shape cavity, and the rotary disk sets up in outer shell 501's center department and rotary disk and outer shell 501 are coaxial setting. The exciting coil needs to be energized, and when the exciting coil is energized, a magnetic field is generated in the outer housing 501, so that the ring damper 5 can generate a certain damping force. When the sprung mass and the unsprung mass of the automobile move relatively in the driving process of the automobile, the vibration reduction device 4 transmits force to the annular damper 5, the adjusting disc 404 moves in the guide cylinder 401 along the axial direction, the rotating disc drives the piston 502 to rotate, the outer shell 501 is filled with damping liquid, and when the energized excitation coil moves in the damping liquid, the damping liquid becomes viscous, so that the annular damper 5 generates damping force and the vibration reduction effect is achieved.
As shown in fig. 4 to 8, the outer casing 501 is a complete circular ring structure as a whole, the cross section of the outer casing 501 (the cross section is a plane parallel to the axis of the outer casing 501) is also circular, the shape of the piston 502 is matched with the shape of the outer casing 501, the piston 502 is an arc structure as a whole, the radian of the piston 502 is less than 180 degrees, the piston 502 and the outer casing 501 are coaxially arranged, the cross section of the piston 502 (the cross section is a plane parallel to the axis of the piston 502) is circular, and a gap is formed between the outer circumferential surface of the piston 502 and the inner circumferential surface of the outer casing 501, and the gap forms a damping channel for the magnetorheological fluid to pass through. Piston 502 sets up two, and shell body 501's inside is equipped with two baffles, and two baffles separate into two stock solution chambeies with shell body 501's interior cavity, have a piston 502 in each stock solution chamber respectively, are full of magnetorheological suspensions in the stock solution chamber, and two stock solution chambeies are kept apart through the baffle, do not communicate between two stock solution chambeies. The volume size of two stock solution chambeies is the same, and two baffles are for following circumference evenly distributed in the inside of shell 501, and two pistons 502 also are for following circumference evenly distributed in the inside of shell 501, all have excitation coil on two pistons 502, improve suspension system's damping effect. The rotary disk is located the centre bore of shell body 501, and the rotary disk is located between two pistons 502, two pistons 502 and rotary disk fixed connection, and the part embedding of rotary disk is in the interior cavity of shell body 501 to be connected with piston 502, and is corresponding, seals through the sealing washer between rotary disk and the shell body 501, avoids revealing of magnetorheological fluid.
As shown in fig. 4 to 8, the rotating disk includes a rotating disk body 503 and a rotating rod 504 fixedly connected to the rotating disk body 503, the rotating disk body 503 is a circular structure and the rotating disk body 503 is coaxially disposed with the outer housing 501, the rotating disk body 503 is located in a central hole of the outer housing 501, the rotating disk body 503 is located between two pistons 502, the two pistons 502 are fixedly connected to the rotating disk body 503, a portion of the rotating disk body 503 is embedded in an inner cavity of the outer housing 501 to be connected to the pistons 502, and accordingly, the rotating disk body 503 and the outer housing 501 are sealed by a sealing ring, so as to prevent leakage of the magnetorheological fluid. The rotating rod 504 is a long straight rod, the length of the rotating rod 504 is smaller than the maximum diameter of the rotating disk body 503, the middle point of the rotating rod 504 in the length direction is located on the axis of the rotating disk body 503, the length direction of the rotating rod 504 is perpendicular to the axis of the rotating disk body 503, and two ends of the rotating rod 504 are fixedly connected with the rotating disk body 503. The motion conversion mechanism is connected with the rotating rod 504 and the adjusting disk 404, and comprises a driving rod 512 connected with the adjusting disk 404, a driving screw 513 forming spiral transmission with the driving rod 512, a first rotating shaft 507 connected with the screw 513 and the rotating disk, a first gear 505 arranged on the first rotating shaft 507, a second rotating shaft 508 parallel to the first rotating shaft 507, a second gear 506 arranged on the second rotating shaft 508 and meshed with the first gear 505, a swinging rod 510 connected with the second rotating shaft 508, and a sliding block 509 rotatably connected with the swinging rod 510 and slidably connected with the rotating disk. The rotating rod 504 is located above the adjusting disk 404, the lower end of the transmission rod 512 is fixedly connected with the adjusting disk 404 at the center of the adjusting disk 404, the transmission rod 512 and the adjusting disk 404 are coaxially arranged, the transmission rod 512 is provided with an internal thread hole into which the screw rod 513 is inserted, an external thread is arranged on the outer surface of the screw rod 513, the lower end of the screw rod 513 is inserted into the internal thread hole of the transmission rod 512, the upper end of the screw rod 513 is fixedly connected with the lower end of the first rotating shaft 507, the upper end of the first rotating shaft 507 is rotatably connected with the rotating rod 504 at the middle position of the rotating rod 504 in the length direction, and the screw rod 513 and the transmission rod 512 are coaxially arranged with the rotating disk body 503. The first gear 505 is fixedly arranged on the first rotating shaft 507, the first gear 505 and the first rotating shaft 507 are coaxially arranged, the second rotating shaft 508 is positioned below the rotating rod 504, the second gear 506 is fixedly arranged on the second rotating shaft 508, the first gear 505 and the second gear 506 are positioned below the rotating rod 504, and the first gear 505 and the second gear 506 are meshed. One end of the swing rod 510 is fixedly connected with the second rotating shaft 508, the other end of the swing rod 510 is rotatably connected with the slider 509, the slider 509 is sleeved on the rotating rod 504, the slider 509 can move along the length direction of the rotating rod 504 relative to the rotating rod 504, and the swing rod 510, the slider 509 and the rotating rod 504 form a swing guide rod mechanism. The connecting rod 511 is located below the rotating rod 504, one end of the connecting rod 511 is provided with a through hole for the first rotating shaft 507 to pass through, the other end of the connecting rod 511 is provided with a through hole for the second rotating shaft 508 to pass through, the connecting rod 511 is not rotatable, the connecting rod 511 is fixed relative to the outer shell 501, and the connecting rod 511 is used for providing a supporting effect for the first rotating shaft 507 and the second rotating shaft 508 so that the first rotating shaft 507 and the second rotating shaft 508 can rotate synchronously. When the adjusting disc 404 moves linearly along the axial direction, the adjusting disc 404 drives the transmission rod 512 to move synchronously, the lead screw 513 rotates around the axis of the lead screw, the lead screw 513 drives the first rotating shaft 507 and the first gear 505 to rotate, the first gear 505 drives the second gear 506, the second rotating shaft 508 and the swing rod 510 to rotate, the swing rod 510 drives the rotating rod 504 to rotate through the sliding block 509, and then the rotating disc and the piston 502 rotate, so that the annular damper 5 generates damping force and achieves the effect of vibration reduction.
The automobile suspension system has the following advantages:
1. the rigidity of the suspension system is changed by changing the selection spring, so that different suspension rigidities can be selected according to different road conditions, and the smoothness and the driving safety of the automobile are improved;
2. the annular damper converts a part of axial motion into circular motion, so that the space occupied by the damper is saved, and the arrangement of other parts of the vehicle body is facilitated;
3. compared with a disc-shaped damper, the annular damper has better damping effect and has the advantages of both a cylindrical shape and a disc shape.
The invention is described above with reference to the accompanying drawings. It is to be understood that the specific implementations of the invention are not limited in this respect. Various insubstantial improvements are made by adopting the method conception and the technical scheme of the invention; the present invention is not limited to the above embodiments, and can be modified in various ways.
Claims (10)
1. Automotive suspension system, its characterized in that: the damping device comprises a damping device, a sensitivity adjusting device and an annular damper, wherein the sensitivity adjusting device is used for adjusting the rigidity of the damping device;
the annular damper is arranged inside the vibration damping device; the damping device comprises a guide cylinder, a movable adjusting disc arranged in the guide cylinder, and a first damping spring, an … … damping spring and an nth damping spring which are arranged in the guide cylinder and used for providing elastic acting force for the adjusting disc, the sensitivity adjusting device enables the adjusting disc to be selectively contacted with the first damping spring, the … … damping spring and the nth damping spring, and the stiffness of the first damping spring, the stiffness of the … … damping spring and the stiffness of the nth damping spring are different; the annular damper comprises an outer shell, a rotary disk rotatably arranged on the outer shell, a piston arranged in the outer shell and synchronously rotating with the rotary disk, an excitation coil arranged on the piston, and a motion conversion mechanism connected with the rotary disk and the adjusting disk and used for converting linear motion of the adjusting disk into rotary motion of the rotary disk, wherein magnetorheological fluid is filled in the outer shell.
2. The automotive suspension system according to claim 1, characterized in that: the adjusting disc is rotatable relative to the guide cylinder, and the sensitivity adjusting device comprises an adjusting rod connected with the adjusting disc, an operating rod and a transmission mechanism connected with the operating rod and the adjusting rod.
3. The automotive suspension system according to claim 2, characterized in that: the adjusting rod is parallel to the operating rod, and the transmission mechanism is a gear transmission mechanism.
4. The automotive suspension system according to claim 2, characterized in that: the guide cylinder is a hollow cylinder, the first damping spring, the … … and the nth damping spring are arranged inside the guide cylinder, the adjusting disc is arranged in the inner cavity of the guide cylinder, the inner cavity of the guide cylinder is a circular cavity, the adjusting disc is of a disc-shaped structure, the adjusting disc and the guide cylinder are coaxially arranged, the adjusting disc can axially move relative to the guide cylinder, the initial position of the adjusting disc is located at the lower end of the guide cylinder, the first damping spring, the … … and the nth damping spring are clamped between the adjusting disc and the upper end of the guide cylinder, the first damping spring, the … … and the nth damping spring apply downward elastic acting force to the adjusting disc, the length directions of the first damping spring, the … … and the nth damping spring are parallel to the axial direction of the guide cylinder, the guide cylinder is connected with the spring-loaded mass of an automobile, and the adjusting disc is connected with the unsprung mass of the automobile.
5. The automotive suspension system according to claim 4, characterized in that: the first damping spring, the … … damping spring and the nth damping spring are at least arranged, the first damping spring, the … … damping spring and the nth damping spring are uniformly distributed in the guide cylinder along the circumferential direction, and the length directions of the first damping spring, the … … damping spring and the nth damping spring are parallel to the axial direction of the guide cylinder.
6. The automotive suspension system of claim 5, wherein: the two first damping springs are arranged, the two second damping springs are arranged, each first damping spring is positioned between the two second damping springs in the circumferential direction of the guide cylinder, and each second damping spring is positioned between the two first damping springs; the included angle between each first damping spring and the second damping spring adjacent to each other in the circumferential direction is 90 degrees, and when the rigidity of the damping device needs to be adjusted, the adjusting disc needs to rotate 90 degrees at the initial position, so that the adjusting disc is in contact with the two first damping springs or the two second damping springs.
7. The automotive suspension system according to any one of claims 1 to 6, characterized in that: the shell body is the hollow ring shape structure in inside, the shell body with the guide cylinder is coaxial setting, and the interior cavity of shell body is ring shape cavity, the rotary disk sets up in the center department of shell body and rotary disk and shell body be coaxial setting.
8. The automotive suspension system of claim 7, wherein: the piston sets up two, the inside of shell body is equipped with two baffles, and two baffles separate into two stock solution chambeies with the interior cavity of shell body, have a piston in each stock solution chamber respectively.
9. The automotive suspension system of claim 8, wherein: the rotary disc comprises a rotary disc body and a rotary rod fixedly connected with the rotary disc body, the rotary disc body is of an annular structure and is coaxially arranged with the outer shell, the rotary disc body is positioned in a central hole of the outer shell, the rotary disc body is positioned between two pistons, and the two pistons are fixedly connected with the rotary disc body; the rotary rod is long straight pole, and the length of rotary rod is less than the maximum diameter of rotary disk body, and the mid point on the length direction of rotary rod is located rotary disk body's axis, and the length direction of rotary rod is mutually perpendicular with rotary disk body's axis, the both ends and the rotary disk body fixed connection of rotary rod.
10. The automotive suspension system according to any one of claims 1 to 6, characterized in that: the motion conversion mechanism comprises a transmission rod connected with the adjusting disc, a transmission screw rod forming spiral transmission with the transmission rod, a first rotating shaft connected with the screw rod and the rotating disc, a first gear arranged on the first rotating shaft, a second rotating shaft parallel to the first rotating shaft, a second gear arranged on the second rotating shaft and meshed with the first gear, a swing rod connected with the second rotating shaft and a sliding block rotatably connected with the swing rod and slidably connected with the rotating disc.
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| CN201811001929.0A CN109050193B (en) | 2018-08-30 | 2018-08-30 | Automotive suspension system |
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| CN201811001929.0A CN109050193B (en) | 2018-08-30 | 2018-08-30 | Automotive suspension system |
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| CN109050193A CN109050193A (en) | 2018-12-21 |
| CN109050193B true CN109050193B (en) | 2021-08-31 |
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| CN113059977B (en) * | 2021-04-07 | 2021-11-30 | 湖南机电职业技术学院 | Supporting device for automobile suspension with adjustable damping |
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| CN201105625Y (en) * | 2007-11-22 | 2008-08-27 | 重庆长安汽车股份有限公司 | Automobile suspension rigidity regulating block |
| CN201405696Y (en) * | 2009-06-01 | 2010-02-17 | 浙江大学 | Automobile suspension structure with adjustable stiffness |
| US9969236B2 (en) * | 2012-02-03 | 2018-05-15 | Fox Factory, Inc. | Suspension with hydraulic preload adjust |
| CN103660832A (en) * | 2012-09-10 | 2014-03-26 | 福特全球技术公司 | Height adjustment for vehicles with air spring and vibration damper |
| CN108367649A (en) * | 2015-12-08 | 2018-08-03 | 宝马股份公司 | Wheel suspension used for vehicles carries out the device, the spring strut with the device adjusted for height and the vehicle that the highly wheel suspension of the device of adjusting is useful for band of height adjusting |
| CN105715735A (en) * | 2016-03-02 | 2016-06-29 | 江苏大学 | Vibration isolation system with controllable rigid damping and inertia force and control method of vibration isolation system |
| CN108006148A (en) * | 2017-11-19 | 2018-05-08 | 东莞市松研智达工业设计有限公司 | A kind of fourth gear resists the automobile energy storage damper of superpower impact |
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| CN109050193A (en) | 2018-12-21 |
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