CN204749770U - Combine electromagnetism of cam to present two xarms initiative suspensions of ability formula - Google Patents
Combine electromagnetism of cam to present two xarms initiative suspensions of ability formula Download PDFInfo
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- CN204749770U CN204749770U CN201520375663.1U CN201520375663U CN204749770U CN 204749770 U CN204749770 U CN 204749770U CN 201520375663 U CN201520375663 U CN 201520375663U CN 204749770 U CN204749770 U CN 204749770U
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- motor
- push rod
- ball nut
- lower cross
- vehicle frame
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Abstract
The utility model provides a combine electromagnetism of cam to present two xarms initiative suspensions of ability formula. Regard as the actuator with the motor, the rubber shock absorber ware is passed through to the actuator upper end and the frame links to each other, and the motor output shaft is through integration push rod - ball nut assembly with the xarm is continuous down. In the wheel hopping process, sensor signal inputs to vehicle control unit, and vehicle control unit sends control command according to control strategy to control the actuator through drive circuit after amplifying and send and make power, reduce the influence that rough road produced to vehicle vibration system, so improve the vehicle the travelling comfort, security and suspension working space go. This in -process, motor serve as the generator sometimes will be stored in the vehicle mounted power because of some vibration energy that rough road produced, serves as the motor sometimes and consumes the the vehicle mounted power electric energy and send the active force.
Description
Technical field
The utility model relates to the two transverse arm active suspension of a kind of vehicle, especially adopts motor as actuator, has energy regenerative effect and is conducive to two transverse arm active suspensions of Direct wheel drives system layout.
Background technology
That vehicle suspension is mainly divided into is passive, half initiatively and active suspension three major types.Passive suspension because of structure simple, cost is lower, is widely adopted, but can only be compromised by certain specific road surface during design and speed is issued to optimal performance.Semi-active suspension structure is relatively simple, advantage of lower cost, according to road surface and speed of a motor vehicle change adjustment suspension damping parameter, can improve suspension property to a certain extent.Active suspension can provide different active forces under different road surface and the speed of a motor vehicle, its essence is equal to rigidity and the damping parameter of adjustment suspension in real time, at utmost can improve suspension property, but because of complex structure, energy consumption and cost higher, its application and promote be subject to very large restriction.
Tradition active suspension often adopts the form of air bellow or magnetic/ER effect hydraulic actuator, the energy input that its need of work is huge, obviously can not meet the discharge day by day improved and energy-conservation requirement.Active suspension complex structure using magnetic/electrorheological fluid as damping liquid, and the hydraulic energy obtained by vibration feedback is difficult to storage and application.And orthodox car battery tension is low-yield little, the development of Active suspension is subject to severely restricts.In today that new-energy automobile is greatly developed, high-tension battery can provide suitable energy source for electric actuator, and simultaneously can as the storage element of electric actuator regenerative electric energy.Therefore, Active suspension causes and studies interest widely.
At present, the actuator of Active suspension mainly contains linear electric motors, motor combination gear tooth bar and motor in conjunction with ball screw.Linear motor type active suspension structure is relatively simple, but actuator volume is relatively large, and high-performance electric motor-car often adopts distributed form of taking turns limit or wheel hub driving, and wheel limit arrangement space is limited.Motor and pinion and-rack are inadequate because of rack-and-gear over-speed gear ratio, often need other speed increasing mechanisms, or adopt larger motor.In recent years, because motor is compact in conjunction with the actuator form structure of ball-screw, and ball screw has higher positive drive efficiency and adverse efficiency, can adopt the high power density motor that small volume rotating speed is high, progressively carry out based on the energy active suspension of motor in conjunction with ball-screw.But due to the kinematic nonlinearities characteristic of suspension link mechanism, namely wheel limit displacement and ball-screw stroke are nonlinear relationship, wheel limit will cause the non-uniform rotation of a series of revolving parts such as rotor when uniform movement, thus cause extra wheel limit power, bring adverse effect to the ACTIVE CONTROL of riding comfort and suspension.
Utility model content
The utility model proposes a kind of electromagnetism in conjunction with cam energy pair of transverse arm active suspension.Using motor as actuator, actuator upper end is connected with vehicle frame by rubber absorbers, and motor output shaft is connected with lower cross arm with module by feed screw nut push rod.In wheel bounce process, sensor signal inputs to entire car controller, entire car controller sends control command according to control policy, and control actuator after being amplified by driving circuit and send and be used as power, reduce uneven road surface impact that Vehicular vibration system is produced, and then improve the traveling comfort of vehicle, driving safety and suspension work space.In this process, motor serves as electrical generator sometimes by the partial vibration energy storage that produces because of uneven road surface in vehicle power, sometimes serves as electrical motor and consumes vehicle power electric energy and send active force.
It is specifically intended that, the utility model ball nut and push rod integrated, be connected with lower cross arm by module, by design cam profile can the displacement of control wheel limit and ball-screw stroke linear, thus the adverse effect that elimination suspension fork mechanism kinematic nonlinearities brings to riding comfort and suspension ACTIVE CONTROL.
The technical solution of the utility model is:
Electromagnetism in conjunction with cam energy pair of transverse arm active suspension, comprises the first elasticity hinge, Top Crossbeam, the first ball pivot, steering swivel, the second ball pivot, lower cross arm, the second elasticity hinge, vehicle frame, rubber absorbers, motor, lead screw shaft, integrated push rod-ball nut assembly, module, roller.Wherein, Top Crossbeam is connected with vehicle frame by the first elasticity hinge, and lower cross arm is connected with vehicle frame by the second elasticity hinge.Steering swivel is connected with Top Crossbeam, lower cross arm with the second ball pivot by the first ball pivot.Motor is connected firmly by rubber absorbers and vehicle frame, and motor shaft and leading screw are made of one, i.e. lead screw shaft, band movement and motor-driven integrative push rod-ball nut assembly motion when lead screw shaft is rotated.Integration push rod-ball nut assembly only does vertical direction translation by feather key along guide rail, and guide rail and electric motor stand connect firmly.Integration push rod-ball nut assembly lower end is connected with roller by Roller Shaft, and roller can roll along cam profile in module, and module is connected firmly by screw and lower cross arm.
In vehicle operation, Top Crossbeam and steering swivel can relatively rotate around the first ball pivot, and Top Crossbeam and vehicle frame can cut with scissors around the first elasticity and relatively rotate; Lower cross arm and steering swivel can relatively rotate around the second ball pivot, and lower cross arm and vehicle frame can cut with scissors around the second elasticity and relatively rotate; Motor lead screw shaft is moved up and down by ball screw arrangement band movement and motor-driven integrative push rod-ball nut assembly when rotating; Integration push rod-ball nut assembly is connected with lower cross arm by roller, module, thus while lower cross arm swings, lead screw shaft and ball nut relative motion.
Mode of motion of the present utility model is: in vehicle operation, and wheel bounce drives suspension bob, and steering swivel drives lower cross arm around vehicle frame along the second elasticity hinge axis oscillating, and lower cross arm swings band movement and motor-driven integrative push rod-ball nut assembly motion.Sensor signal inputs to entire car controller, and entire car controller sends control signal according to control policy, and control signal controls motor action after driving circuit amplifies.Driven by motor lead screw shaft is rotated, and integrated push rod-ball nut assembly drives by lead screw shaft, translation under the directional tagging of guide rail feather key.Integration push rod-ball nut assembly will be used as power by module and pass to lower swing arm, thus realize suspension ACTIVE CONTROL.
Cam mechanism is applied to the connection location of push rod and lower cross arm by the utility model, the nonlinear relationship of taking turns between limit displacement and ball nut displacement can be eliminated by controlling cam profile, thus eliminate the non-linear adverse effect that riding comfort and suspension ACTIVE CONTROL are brought.Module connects firmly on lower cross arm by screw, replacing for convenience detach.
Compared with prior art, superior efficacy of the present utility model is:
(1) integrated push rod-ball nut assembly is connected by module with lower cross arm, thus can the relation of the displacement of control wheel limit and ball-screw stroke, eliminates non-linear factor to the adverse effect of riding comfort and ACTIVE CONTROL.
(2) adopt the type of attachment of ball-screw, compact conformation, module is easy to remove and repair, and reduces costs.
(3) according to the start of Active suspension control policy control actuator, vehicle riding comfort, driving safety and suspension work space is effectively improved.
(4) under Part load, actuator serves as electrical generator, effectively reduces active suspension energy consumption, and some operating mode even can feedback energy, increases new-energy automobile continual mileage.
Accompanying drawing explanation
Fig. 1 is the present invention's electromagnetism energy pair of transverse arm active suspension structural representation in conjunction with cam;
Fig. 2 is A dot structure enlarged drawing in Fig. 1.
Label declaration in accompanying drawing:
1,1 ', 1 ' '---vehicle frame; 2---Top Crossbeam;
3---steering swivel; 4---lower cross arm;
5---rubber absorbers;
501---vibration isolation rubber block; 502---bumper joint;
6---motor; 7---lead screw shaft;
8---integrated push rod-ball nut assembly;
801---ball nut; 802---Roller Shaft;
9---module; 10---roller;
I---the first elasticity hinge; II---the second elasticity hinge;
II---the first ball pivot; IV---the second ball pivot.
Detailed description of the invention
Be described further below in conjunction with Figure of description.
As shown in Figures 1 and 2, electromagnetism in conjunction with cam energy pair of transverse arm active suspension, comprises vehicle frame 1,1 ', 1 ' ', Top Crossbeam 2, steering swivel 3, lower cross arm 4, rubber absorbers 5, motor 6, lead screw shaft 7, integrated push rod-ball nut assembly 8, module 9, roller 10, vibration isolation rubber block 501, bumper joint 502, ball nut 801, Roller Shaft 802, first elasticity hinge I, second elasticity hinge II, the first ball pivot III, the second ball pivot IV.
Top Crossbeam 2 is connected with vehicle frame 1 ' by the first elasticity hinge III, and lower cross arm 4 is by the second elasticity hinge II and vehicle frame 1 ' ' be connected.Top Crossbeam 2 is connected with steering swivel 3 by the first ball pivot III, and lower cross arm 2 is connected with steering swivel 3 by the second ball pivot IV..Motor 6 is connected firmly by rubber absorbers 5 and vehicle frame 1, and motor shaft and leading screw are made of one, i.e. lead screw shaft 7, and lead screw shaft 7 is rotated and is with movement and motor-driven integrative push rod-ball nut assembly 8 to move.Integration push rod-ball nut assembly 8 only does vertical direction translation along in guide rail, and guide rail and vehicle frame 1 connect firmly.Integration push rod-ball nut assembly 8 lower end and Roller Shaft 802 connect firmly, and Roller Shaft 802 is connected with bearing with roller 10, and roller 10 can roll along cam profile in module 9, and module 9 is connected firmly by screw and lower cross arm 4.
In vehicle operation, Top Crossbeam 2 and steering swivel 3 can relatively rotate around the first ball pivot III, and Top Crossbeam 2 and vehicle frame 1 can cut with scissors I around the first elasticity and relatively rotate; Lower cross arm 4 and steering swivel 3 can relatively rotate around the second ball pivot IV, lower cross arm 4 and vehicle frame 1 ' ' II can be cut with scissors around the second elasticity and relatively rotate; Motor lead screw shaft 7 is rotated and is moved up and down by ball screw arrangement band movement and motor-driven integrative push rod-ball nut assembly 8; Integration push rod-ball nut assembly 8 is connected with lower cross arm 4 by roller 10, module 9, and lower cross arm 4 swings and is with movement and motor-driven integrative push rod-ball nut assembly 8 upward-downward translation.
In vehicle operation, wheel bounce drives suspension bob, steering swivel 3 bob drives lower cross arm 4 around vehicle frame 1 ' ' along the second elasticity hinge II axis oscillating, lower cross arm 4 swings band movement and motor-driven integrative push rod-ball nut assembly 8 and moves, and integrated push rod-ball nut assembly 8 is rotated by ball screw arrangement drive motor lead screw shaft 7.Sensor signal inputs to entire car controller, and entire car controller sends control signal according to control policy, and control signal controls motor action after driving circuit amplifies.Motor 6 drives lead screw shaft 7 to rotate, and integrated push rod-ball nut assembly 8 drives by lead screw shaft 7, translation under the directional tagging of guide rail feather key.Integration push rod-ball nut assembly 8 will be used as power by module 9 and pass to lower swing arm 4, thus realize the ACTIVE CONTROL of suspension.
The second elasticity hinge axis of II and the axis being parallel of Roller Shaft 802, while lower swing arm 4 is swung, integrated push rod-ball nut assembly 8 can along guide rail upward-downward translation.Module 9 connects firmly on lower cross arm 4 by screw, replacing for convenience detach.
Cam mechanism is applied to the connection location of push rod and lower cross arm by the utility model, the nonlinear relationship of taking turns between limit displacement and ball nut displacement can be eliminated by controlling cam profile, thus eliminate the non-linear adverse effect that riding comfort and suspension ACTIVE CONTROL are brought.
Claims (2)
1. the electromagnetism in conjunction with cam energy pair of transverse arm active suspension, comprise the first elasticity hinge, Top Crossbeam, the first ball pivot, steering swivel, the second ball pivot, lower cross arm, the second elasticity hinge, vehicle frame, rubber absorbers, motor, lead screw shaft, integrated push rod-ball nut assembly, module, roller, it is characterized in that: Top Crossbeam is connected with vehicle frame by the first elasticity hinge, lower cross arm is connected with vehicle frame by the second elasticity hinge; Top Crossbeam is connected with steering swivel by the first ball pivot, and lower cross arm is connected with steering swivel by the second ball pivot; Motor is connected firmly by rubber absorbers and vehicle frame; Motor shaft and leading screw are made of one, i.e. lead screw shaft; Lead screw shaft rotating band movement and motor-driven integrative push rod-ball nut assembly motion; Integration push rod-ball nut only does vertical direction translation by feather key along guide rail, and guide rail and vehicle frame connect firmly; Integration push rod-ball nut assembly lower end is connected with roller by Roller Shaft, and roller can roll along cam profile in module, and module is connected firmly by screw and lower cross arm.
2. a kind of electromagnetism in conjunction with cam according to claim 1 energy pair of transverse arm active suspension, it is characterized in that: motor lead screw shaft is rotated and by ball screw arrangement and integrated push rod-ball nut assembly relative movement, integrated push rod-ball nut assembly is connected with lower cross arm by roller, module; In vehicle operation, Top Crossbeam and vehicle frame can cut with scissors around the first elasticity and relatively rotate; Lower cross arm and vehicle frame can cut with scissors around the second elasticity and relatively rotate, and are with movement and motor-driven integrative push rod-ball nut assembly to move up and down.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520375663.1U CN204749770U (en) | 2015-06-03 | 2015-06-03 | Combine electromagnetism of cam to present two xarms initiative suspensions of ability formula |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520375663.1U CN204749770U (en) | 2015-06-03 | 2015-06-03 | Combine electromagnetism of cam to present two xarms initiative suspensions of ability formula |
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| CN204749770U true CN204749770U (en) | 2015-11-11 |
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| CN201520375663.1U Expired - Fee Related CN204749770U (en) | 2015-06-03 | 2015-06-03 | Combine electromagnetism of cam to present two xarms initiative suspensions of ability formula |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818627A (en) * | 2016-04-12 | 2016-08-03 | 同济大学 | Structure and method for using cam curve for achieving equivalent stiffness characteristic of independent suspension |
| CN106505910A (en) * | 2016-12-05 | 2017-03-15 | 吉林大学 | A kind of piezoelectric type vibration energy recycle device and integrated sensing execute energy-recuperation system |
| CN106741142A (en) * | 2016-12-23 | 2017-05-31 | 同济大学 | Steering motor is arranged on knuckle and the Four wheel independent steering system with pull bar |
| CN106741143A (en) * | 2016-12-23 | 2017-05-31 | 同济大学 | Steering motor is located at the line traffic control Four wheel independent steering system of McPherson suspension knuckle |
| CN106741144A (en) * | 2016-12-23 | 2017-05-31 | 同济大学 | The Four wheel independent steering system that steering motor is placed on double wishbone suspension knuckle |
| CN106741145A (en) * | 2016-12-23 | 2017-05-31 | 同济大学 | Steering motor is located at the line traffic control Four wheel independent steering system at McPherson suspension hard spot |
| CN107150563A (en) * | 2017-05-04 | 2017-09-12 | 青岛理工大学 | Pneumatic energy-feedback suspension system |
| CN107339355A (en) * | 2017-01-06 | 2017-11-10 | 李超红 | A kind of automobile and its electronic shock absorber |
| CN110861458A (en) * | 2019-11-12 | 2020-03-06 | 艾德斯汽车电机无锡有限公司 | Gravity power generation technology in suspension structure |
| CN111942093A (en) * | 2020-09-18 | 2020-11-17 | 清驰汽车江苏有限公司 | Double-cross arm torsion bar spring suspension |
-
2015
- 2015-06-03 CN CN201520375663.1U patent/CN204749770U/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105818627A (en) * | 2016-04-12 | 2016-08-03 | 同济大学 | Structure and method for using cam curve for achieving equivalent stiffness characteristic of independent suspension |
| CN105818627B (en) * | 2016-04-12 | 2018-06-26 | 同济大学 | The method that independent suspension equivalent stiffness characteristic is realized using cam curve |
| CN106505910A (en) * | 2016-12-05 | 2017-03-15 | 吉林大学 | A kind of piezoelectric type vibration energy recycle device and integrated sensing execute energy-recuperation system |
| CN106741142A (en) * | 2016-12-23 | 2017-05-31 | 同济大学 | Steering motor is arranged on knuckle and the Four wheel independent steering system with pull bar |
| CN106741143A (en) * | 2016-12-23 | 2017-05-31 | 同济大学 | Steering motor is located at the line traffic control Four wheel independent steering system of McPherson suspension knuckle |
| CN106741144A (en) * | 2016-12-23 | 2017-05-31 | 同济大学 | The Four wheel independent steering system that steering motor is placed on double wishbone suspension knuckle |
| CN106741145A (en) * | 2016-12-23 | 2017-05-31 | 同济大学 | Steering motor is located at the line traffic control Four wheel independent steering system at McPherson suspension hard spot |
| CN107339355A (en) * | 2017-01-06 | 2017-11-10 | 李超红 | A kind of automobile and its electronic shock absorber |
| CN107150563A (en) * | 2017-05-04 | 2017-09-12 | 青岛理工大学 | Pneumatic energy-feedback suspension system |
| CN110861458A (en) * | 2019-11-12 | 2020-03-06 | 艾德斯汽车电机无锡有限公司 | Gravity power generation technology in suspension structure |
| CN110861458B (en) * | 2019-11-12 | 2024-01-19 | 艾德斯汽车电机无锡有限公司 | Gravity power generation technology in suspension structure |
| CN111942093A (en) * | 2020-09-18 | 2020-11-17 | 清驰汽车江苏有限公司 | Double-cross arm torsion bar spring suspension |
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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 |
Granted publication date: 20151111 Termination date: 20210603 |
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| CF01 | Termination of patent right due to non-payment of annual fee |