CN204367808U - A kind of new automobile active suspension device - Google Patents
A kind of new automobile active suspension device Download PDFInfo
- Publication number
- CN204367808U CN204367808U CN201520009208.XU CN201520009208U CN204367808U CN 204367808 U CN204367808 U CN 204367808U CN 201520009208 U CN201520009208 U CN 201520009208U CN 204367808 U CN204367808 U CN 204367808U
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- China
- Prior art keywords
- electroplax
- band
- damper
- leading screw
- active suspension
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Abstract
The utility model discloses a kind of new automobile active suspension device, comprise damper, damper comprises damper housing, piston rod be positioned at damper enclosure interior and the piston be connected with piston rod, electrorheological fluid is filled with in damper housing, described damper also comprises the first band electroplax being located at described damper housing inner top, to be located on described piston and with first be with electroplax relative second be with electroplax, be located at the 3rd band electroplax on piston be located at damper housing inner bottom part and with the 3rd be with electroplax relative the 4th be with electroplax, first band electroplax is connected with the negative terminal of external power respectively by wire with the 4th band electroplax, second band electroplax is connected with the positive terminal of external power respectively by wire with the 3rd band electroplax.Damper is electro-rheological fluid damper, and its mode of operation adopts squeeze mode, and has two dumping forces and act on piston simultaneously, and during the dumping force Datong District therefore produced, power consumption is few, and draft hitch compact conformation, takes up room little.
Description
Technical field
The utility model belongs to automotive suspension technical field, and specifically, the utility model relates to a kind of new automobile active suspension device.
Background technology
Active suspension can improve automobile ride effectively, and be therefore the focus of automotive field research, but active suspension actuator of electric adopts electromagnetic actuator or hydraulic actuator usually at present, it has, and structure takes up room greatly, consume energy large shortcoming always.Active suspension much adopts electro-rheological fluid damper, electro-rheological fluid damper is simple with its structure, fast easy to adjust, good damping result and be applied to active suspension field gradually, but it has following shortcoming: estimated current mutative damp device often adopts shearing work pattern, flowing mode of operation, and these two kinds of mode of operations have governing speed fast, the advantages such as good damping result, but be necessary for the larger electric current of damper input to obtain larger dumping force, it has the large shortcoming of power consumption.
Utility model content
The utility model provides a kind of new automobile active suspension device, and object makes compact conformation, reduces to take up room, and reduces energy ezpenditure.
To achieve these goals, the technical scheme that the utility model is taked is: a kind of new automobile active suspension device, comprise the actuator and damper that are arranged side by side, damper comprises damper housing, piston rod be positioned at damper enclosure interior and the piston be connected with piston rod, electrorheological fluid is filled with in damper housing, described damper also comprises the first band electroplax being located at described damper housing inner top, to be located on described piston and with first be with electroplax relative second be with electroplax, be located at the 3rd band electroplax on piston be located at damper housing inner bottom part and with the 3rd be with electroplax relative the 4th be with electroplax, first band electroplax is connected with the negative terminal of external power respectively by wire with the 4th band electroplax, second band electroplax is connected with the positive terminal of external power respectively by wire with the 3rd band electroplax.
Described first band electroplax, described second band electroplax, described 3rd band electroplax are the identical disk of diameter with described 4th band electroplax.
The center of described first band electroplax and described second band electroplax is provided with the through hole allowing described piston rod pass.
Described piston rod is connected with sprung weight, and described damper housing is connected with unsprung weight.
Described actuator comprise drive motor, the leading screw be connected with sprung weight and by the transmission of power of drive motor to the gear drive of leading screw, leading screw also parallels with described piston rod.
The double reduction helical spur gear group that described gear drive comprises the bevel gear set be connected with the motor shaft of described drive motor, the primary speed-down helical spur gear group be connected with bevel gear set and is connected with primary speed-down helical spur gear group, double reduction helical spur gear group is connected with described leading screw, the axis of drive motor and with the axis perpendicular of leading screw.
The drive bevel gear of described bevel gear set is located on the motor shaft of described drive motor, the driving gear of driven wheel of differential and described primary speed-down helical spur gear group is arranged on the first transmission shaft jointly, and the first transmission shaft is coaxial with described leading screw, the driven gear of primary speed-down helical spur gear group and the driving gear of described double reduction helical spur gear group are arranged on second driving shaft jointly, and second driving shaft parallels with leading screw, the center of the driven gear of double reduction helical spur gear group is provided with the 3rd transmission shaft forming worm drive with leading screw.
Described drive motor is DC machine.
New automobile active suspension device tool of the present utility model has the following advantages:
(1) damper is electro-rheological fluid damper, and its mode of operation adopts squeeze mode, and has two dumping forces and act on piston simultaneously, and during the dumping force Datong District therefore produced, power consumption is few;
(2) active suspension designed adopts electromechanical actuator, and be drive source with DC machine, energy consumption is little, and adopt 3 grades of speed reduction gearings can realize large speed ratio and slow down, meanwhile, power transmission line adopts broken line arrangement, makes compact conformation, and installation takes up room little.
Accompanying drawing explanation
This specification sheets comprises the following drawings, shown content respectively:
Fig. 1 is the utility model automotive suspension apparatus overall structure sketch;
Fig. 2 is the cutaway view of damper;
Fig. 3 is the section drawing of the first band electroplax and the second band electroplax;
Fig. 4 is the section drawing of the 3rd band electroplax and the 4th band electroplax;
Fig. 5 is the structural representation of actuator;
Fig. 6 is the connection diagram of drive motor and bevel gear set;
Fig. 7 is the structural representation of primary speed-down helical spur gear group;
Fig. 8 is the structural representation of double reduction helical spur gear group;
Fig. 9 is the structural representation of leading screw;
Be labeled as in figure:
1, sprung weight; 2, actuator; 21, drive motor; 22, motor shaft; 23, the first transmission shaft; 24, second driving shaft; 25, the 3rd transmission shaft; 26, bevel gear set; 27, primary speed-down helical spur gear group; 28, double reduction helical spur gear group; 29, leading screw; 3, damper; 31, damper housing; 32, the first band electroplax; 33, the second band electroplax; 34, the 3rd band electroplax; 35, the 4th band electroplax; 36, piston rod; 37, wire; 38, epoxy sealing part; 39, wire; 310, wire; 311, wire; 312, electrorheological fluid; 313, piston; 4, spring; 5, unsprung weight.
Detailed description of the invention
Contrast accompanying drawing below, by the description to embodiment, be described in further detail detailed description of the invention of the present utility model, object helps those skilled in the art to have more complete, accurate and deep understanding to design of the present utility model, technical scheme, and contribute to its enforcement.
As shown in Figures 1 to 9, the utility model provides a kind of new automobile active suspension device, comprise sprung weight 1, unsprung weight 5, spring 4, actuator 2 and damper 3, spring 4, actuator 2 and damper 3 are arranged side by side between sprung weight 1 and unsprung weight 5, the upper end of spring 4 is connected with sprung weight 1, and lower end is connected with unsprung weight 5.The damper 3 that this new automobile active suspension device adopts is current liquescent damper, it comprises damper housing 31, piston rod 36 be positioned at the inner and piston 313 be connected with piston rod 36 of damper housing 31, electrorheological fluid 312 is filled with in damper housing 31, this damper 3 also comprises the first band electroplax 32 being located at damper housing 31 inner top, to be located on piston 313 and with first be with electroplax 32 relative second be with electroplax 33, be located at the 3rd band electroplax 34 on piston 313 be located at damper housing 31 inner bottom part and with the 3rd be with electroplax 34 relative the 4th be with electroplax 35, external power is that four band electroplaxs are powered, first band electroplax 32 and the 4th band electroplax 35 are respectively by wire 37, 311 are connected with the negative terminal of external power, the first band electroplax 32 and the 4th is made to be with electroplax 35 electronegative, second band electroplax 33 and the 3rd band electroplax 34 are respectively by wire 39, 310 are connected with the positive terminal of external power, make the second band electroplax 33 and the 3rd band electroplax 34 positively charged, thus form two electric fields in damper 3 inside.
As shown in Figure 2, electroplax 33 is with by first band electroplax 32, second, the 3rd band electroplax 34 is the identical disk of diameter with the 4th band electroplax 35, first band electroplax 32 is fixed on the inner top surface of damper housing 31, second band electroplax 33 is fixed on the end face of piston 313,3rd band electroplax 34 is fixed on the bottom surface of piston 313, and the 4th band electroplax 35 is fixed on the inner bottom surface of damper housing 31.First band electroplax 32, second is with electroplax 33, the 3rd to be with electroplax 34 and the 4th band electroplax 35 4 to be also coaxial, is with the center of electroplax 33 and is provided with the through hole allowing piston rod 36 pass, as shown in Figure 3 at the first band electroplax 32 and second.
As depicted in figs. 1 and 2, the upper end of piston rod 36 is connected with sprung weight 1, and damper housing 31 inside is inserted in the lower end of piston rod 36, and is connected with piston 313.Damper housing 31 is connected with unsprung weight 5, the sidewall of damper housing 31 is provided with the wire casing allowing wire 37,39,310,311 stretch out, in each wire casing and the epoxy sealing part 38 be provided with for being closed, damper housing 31 internal liquid is avoided to leak.
The principle of work of the damper of said structure is: when automobile travels on uneven road surface, automobile chassis frame can shake along with the vibrations of tire, thus the piston rod 36 of band fluctuation dampers which moves, and piston rod 36 drives piston 313 to extrude electrorheological fluid 312, thus generation dumping force, the dumping force size of damper is controlled by the voltage swing on control cincture electroplax.When piston rod 36 moves downward, 4th band electroplax 35 and the 3rd band electroplax 34 extrude electrorheological fluid 312, its dumping force hinders piston rod 36 to move, first band electroplax 32 and the second band electroplax 33 " drawing " electrorheological fluid 312, due to the visco-plasticity of electrorheological fluid 312, its dumping force also hinders piston rod 36 to move.So the dumping force that damper produces is comparatively large, range ability is short, and structure is simple, is convenient to manufacture.
As shown in Figure 5, the actuator 2 that this new automobile active suspension device adopts is electromechanical actuator, it comprise a drive motor 21, the leading screw 29 be connected with sprung weight 1 and by the transmission of power of drive motor 21 to the gear drive of leading screw 29, leading screw 29 also parallels with the piston rod 36 of damper.Drive motor 21 is preferably as DC machine, DC machine is adopted to export mechanical power, by transmission axle transferring power to gear drive, slow down through gear drive again and increase the larger transmission of power of square acquisition to output mechanism, this output mechanism is leading screw 29, makes leading screw 29 produce masterpiece contrary with mechanical vibration equal and opposite in direction direction for suspension and reaches the object optimizing suspension vibration effect.
Specifically, as shown in Figure 5, the double reduction helical spur gear group 28 that gear drive comprises the bevel gear set 26 be connected with the motor shaft 22 of drive motor 21, the primary speed-down helical spur gear group 27 be connected with bevel gear set 26 and is connected with primary speed-down helical spur gear group 27, double reduction helical spur gear group 28 is connected with leading screw 29, the axis of drive motor 21 and with the axis perpendicular of leading screw 29.The drive bevel gear of bevel gear set 26 is located on the motor shaft 22 of drive motor 21, the driving gear of driven wheel of differential and primary speed-down helical spur gear group 27 is arranged on the first transmission shaft 23 jointly, and the first transmission shaft 23 is coaxial with leading screw 29, the driven gear of primary speed-down helical spur gear group 27 and the driving gear of double reduction helical spur gear group 28 are arranged on second driving shaft 24 jointly, and this second driving shaft 24 parallels with leading screw 29, the 3rd transmission shaft 25 that leading screw 29 is arranged with the driven gear center of double reduction helical spur gear group 28 forms worm drive.Leading screw 29 is positioned at the top of gear drive, 3rd transmission shaft 25 center is provided with internal thread hole, leading screw 29 surface is provided with outside thread, driven gear drives the 3rd transmission shaft 25 to rotate, thus leading screw 29 moving linearly in the vertical can be driven, the upper end of leading screw 29 is connected with sprung weight 1.
The principle of work of the actuator 2 of said structure is: when automobile produces vibration, drive motor 21 starts to rotate, by motor shaft 22, power being passed to bevel gear set 26 is with dynamic bevel gear to rotate, power is passed to primary speed-down gear cluster and is slowed down for the first time to the rotating speed that motor transmits by the first transmission shaft 23 again that be connected with bevel gear set 26, by second driving shaft 24, power is passed to double-reduction gear group more afterwards again to slow down stable drive is slowly carried out, be the up-and-down movement of leading screw 29 in vertical finally by the 3rd transmission shaft 25 by converting rotary motion, make leading screw 29 produce the power contrary with automobile vibration size equidirectional to reduce to vibrate to make automobile balance travel.As shown in Figure 5, the power transfer route of actuator 2 passes to leading screw 29 by motor after three grades slow down, and drives leading screw 29 straight-line motion, and its power transfer route adopts its compact conformation of broken line arrangement, and take up room little advantage.
For the vehicle active suspension device of said structure, when the sprung weight 1 of suspension carries out disengaging movement with unsprung weight 5, suspension controller applies a certain size voltage to band electroplax according to the size cases of automobile vibration, thus make between the first band electroplax 32 and the second band electroplax 33, electrorheological fluid 312 between 3rd band electroplax 34 and the 4th band electroplax 35 is become the visco-plastic body of certain yield shear stress from newton's body, sprung weight 1 and unsprung weight 5 drive piston 313 to carry out diastole campaign in damper housing 31, so the second band electroplax 33 extrudes it and first is with electrorheological fluid 312 between electroplax 32, electrorheological fluid 312 pairs of pistons 313 between second band electroplax 33 and the first band electroplax 32 produce repulsive force, meanwhile, the 3rd band electroplax 34 is with the electrorheological fluid 312 pairs of pistons 313 between electroplax 34 and the 4th band electroplax 35 to produce pulling force away from the 4th band electroplax the 35, three, and two force directions are consistent, become stronger dumping force.Meanwhile, drive motor 21 rotates forward, and the propulsive effort of three groups of gear mesh drive motor 21 generations realizes slowing down and driving leading screw 29 to produce downward motion, thus produces downward being used as power.
When the sprung weight 1 of suspension carries out relative motion with unsprung weight 5, suspension controller applies a certain size voltage to band electroplax according to the size cases of automobile vibration, thus make between the first band electroplax 32 and the second band electroplax 33, ER effect between 3rd band electroplax 34 and the 4th band electroplax 35 also has newton's body to become the visco-plastic body of certain yield shear stress, sprung weight 1 and unsprung weight 5 drive piston 313 to carry out contractile motion in damper housing 31, so the 3rd band electroplax 34 extrudes it and the 4th is with electrorheological fluid 312 between electroplax 35, electrorheological fluid 312 pairs of pistons 313 between 3rd band electroplax 34 and the 4th band electroplax 35 produce repulsive force, meanwhile, the first band electroplax 32 is with the electrorheological fluid 312 pairs of pistons 313 between electroplax 32 and the second band electroplax 33 to produce pulling force away from the second band electroplax 33, first, and two force directions are consistent, become stronger dumping force.Meanwhile, drive motor 21 reverses, and the propulsive effort that three groups of gear mesh drive motor 21 produce realizes slowing down and drives leading screw 29 to produce motion upwards, thus generation being used as power upwards.
Below by reference to the accompanying drawings the utility model is exemplarily described.Obviously, the utility model specific implementation is not subject to the restrictions described above.As long as have employed the improvement of the various unsubstantialities that method of the present utility model is conceived and technical scheme is carried out; Or without improvement, above-mentioned design of the present utility model and technical scheme directly applied to other occasion, all within protection domain of the present utility model.
Claims (8)
1. a new automobile active suspension device, comprise the actuator and damper that are arranged side by side, damper comprises damper housing, piston rod be positioned at damper enclosure interior and the piston be connected with piston rod, electrorheological fluid is filled with in damper housing, it is characterized in that: described damper also comprises the first band electroplax being located at described damper housing inner top, to be located on described piston and with first be with electroplax relative second be with electroplax, be located at the 3rd band electroplax on piston be located at damper housing inner bottom part and with the 3rd be with electroplax relative the 4th be with electroplax, first band electroplax is connected with the negative terminal of external power respectively by wire with the 4th band electroplax, second band electroplax is connected with the positive terminal of external power respectively by wire with the 3rd band electroplax.
2. new automobile active suspension device according to claim 1, is characterized in that: described first band electroplax, described second band electroplax, described 3rd band electroplax are the identical disk of diameter with described 4th band electroplax.
3. new automobile active suspension device according to claim 2, is characterized in that: the center of described first band electroplax and described second band electroplax is provided with the through hole allowing described piston rod pass.
4. new automobile active suspension device according to claim 1, is characterized in that: described piston rod is connected with sprung weight, and described damper housing is connected with unsprung weight.
5. new automobile active suspension device according to claim 1, it is characterized in that: described actuator comprise drive motor, the leading screw be connected with sprung weight and by the transmission of power of drive motor to the gear drive of leading screw, leading screw also parallels with described piston rod.
6. new automobile active suspension device according to claim 5, it is characterized in that: the double reduction helical spur gear group that described gear drive comprises the bevel gear set be connected with the motor shaft of described drive motor, the primary speed-down helical spur gear group be connected with bevel gear set and is connected with primary speed-down helical spur gear group, double reduction helical spur gear group is connected with described leading screw, the axis of drive motor and with the axis perpendicular of leading screw.
7. new automobile active suspension device according to claim 6, it is characterized in that: the drive bevel gear of described bevel gear set is located on the motor shaft of described drive motor, the driving gear of driven wheel of differential and described primary speed-down helical spur gear group is arranged on the first transmission shaft jointly, and the first transmission shaft is coaxial with described leading screw, the driven gear of primary speed-down helical spur gear group and the driving gear of described double reduction helical spur gear group are arranged on second driving shaft jointly, and second driving shaft parallels with leading screw, the center of the driven gear of double reduction helical spur gear group is provided with the 3rd transmission shaft forming worm drive with leading screw.
8., according to the arbitrary described new automobile active suspension device of claim 5 to 7, it is characterized in that: described drive motor is DC machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520009208.XU CN204367808U (en) | 2015-01-07 | 2015-01-07 | A kind of new automobile active suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520009208.XU CN204367808U (en) | 2015-01-07 | 2015-01-07 | A kind of new automobile active suspension device |
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| Publication Number | Publication Date |
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| CN204367808U true CN204367808U (en) | 2015-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520009208.XU Expired - Fee Related CN204367808U (en) | 2015-01-07 | 2015-01-07 | A kind of new automobile active suspension device |
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| CN (1) | CN204367808U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107380273A (en) * | 2017-09-01 | 2017-11-24 | 吉林大学 | A kind of electric automobile centroid adjustment device and method based on neutral steer |
| CN107757285A (en) * | 2016-08-22 | 2018-03-06 | 比亚迪股份有限公司 | The suspension system of automobile and with its automobile, control method |
| CN107757286A (en) * | 2016-08-22 | 2018-03-06 | 比亚迪股份有限公司 | The suspension system of automobile and with its automobile, control method |
| CN107757288A (en) * | 2016-08-22 | 2018-03-06 | 比亚迪股份有限公司 | The suspension system of automobile and with its automobile, control method |
-
2015
- 2015-01-07 CN CN201520009208.XU patent/CN204367808U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757285A (en) * | 2016-08-22 | 2018-03-06 | 比亚迪股份有限公司 | The suspension system of automobile and with its automobile, control method |
| CN107757286A (en) * | 2016-08-22 | 2018-03-06 | 比亚迪股份有限公司 | The suspension system of automobile and with its automobile, control method |
| CN107757288A (en) * | 2016-08-22 | 2018-03-06 | 比亚迪股份有限公司 | The suspension system of automobile and with its automobile, control method |
| CN107757286B (en) * | 2016-08-22 | 2019-11-22 | 比亚迪股份有限公司 | The suspension system of automobile and the automobile with it, control method |
| CN107757285B (en) * | 2016-08-22 | 2020-03-31 | 比亚迪股份有限公司 | Suspension system of automobile, automobile with suspension system and control method |
| CN107757288B (en) * | 2016-08-22 | 2020-03-31 | 比亚迪股份有限公司 | Suspension system of automobile, automobile with suspension system and control method |
| CN107380273A (en) * | 2017-09-01 | 2017-11-24 | 吉林大学 | A kind of electric automobile centroid adjustment device and method based on neutral steer |
| CN107380273B (en) * | 2017-09-01 | 2023-05-16 | 吉林大学 | Electric automobile mass center adjusting device and method based on neutral steering |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150603 Termination date: 20170107 |