CN206938376U - Anti- body roll actuator - Google Patents
Anti- body roll actuator Download PDFInfo
- Publication number
- CN206938376U CN206938376U CN201720547748.2U CN201720547748U CN206938376U CN 206938376 U CN206938376 U CN 206938376U CN 201720547748 U CN201720547748 U CN 201720547748U CN 206938376 U CN206938376 U CN 206938376U
- Authority
- CN
- China
- Prior art keywords
- gear
- worm screw
- motor
- actuator housing
- body roll
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of anti-body roll actuator, including actuator housing, motor, mechanical lock, motor gear, idler gear, worm screw and execution gear；Actuator housing is fixedly connected with the output end of motor, and the output shaft of motor is penetrated in actuator housing, installs mechanical lock and motor gear along the direction of output shaft end thereon；Idler gear and worm screw are fixed in actuator housing with the direction of parallel output shafts, and worm screw is located at the part installation worm screw input gear in actuator housing, pass the part installation worm screw output gear of actuator housing；Idler gear engages with motor gear and worm screw input gear respectively, performs gear and is engaged with worm screw output gear.The utility model realizes high pulling torque transmission, effectively reduces worm screw rotating speed, improve worm screw service life by the gear matching design of big speed ratio；The utility model occupies little space, and control accuracy is high, is the effective power guarantee of suspension system active suppression body roll.
Description
Technical field
Vehicle active safety control field is the utility model is related to, body roll actuator is put more particularly to one kind.
Background technology
Orthodox car suspension is mainly made up of helical spring and shock absorber, can be absorbed under straight-line travelling operating mode or be alleviated big portion
Point road shocks, but during automobile turning, vehicle body is produced to the inclination for turning to outside because of the effect of centrifugal force, after body roll
Suspension begins with the supporting role of reverse suppression body roll, so that vehicle body recovers plateau.After this body roll
The method suppressed again, make riding comfort poor, rollover threshold is low.Actively anti-body roll suspension system, can not only be by subtracting
Vibrating system absorbs and alleviated road shocks, and the change vehicle body of active and the mutual alignment relation of suspension when turning to, and reaches
The effect that may refrain from before body roll.
But existing suspension system all can not active control, most is uncontrollable operating mode occur to be prevented, anti-side
It is poor to turn over effect.
Utility model content
The utility model can give suspension system mainly solving the technical problems that a kind of anti-body roll actuator of offer
The power of active control is provided, assigns suspension system active control function.
In order to solve the above technical problems, the technical scheme that the utility model uses is：A kind of anti-body roll is provided
Actuator, for providing rotary power to actively anti-body roll suspension system, including：Actuator housing, motor, machinery
Lock, motor gear, idler gear, worm screw and execution gear；The output end of the actuator housing and the motor is fixed
Connection, the output shaft of the motor are penetrated in the actuator housing, pacified successively along the direction of output shaft end thereon
Equipped with mechanical lock and motor gear；The idler gear and worm screw are fixed on the execution with the direction parallel to the output shaft
In device housing, wherein, the part that the worm screw is located in the actuator housing is provided with worm screw input gear, passes described hold
The part of row device housing is provided with worm screw output gear；The idler gear respectively with the motor gear and worm screw input gear
Engagement, the execution gear engage with the worm screw output gear, and with the lower parallel bar of the anti-body roll suspension system of active
It is fixedly connected.
In one preferred embodiment of the utility model, the idler gear include the first gear that is fixedly and coaxially connected and
Second gear, and the diameter of first gear is less than the diameter of second gear, wherein, the first gear is nibbled with the motor gear
Close, the second gear engages with the worm screw input gear.
In one preferred embodiment of the utility model, output the tip of the axis, idler gear and the snail of the motor
The both ends of bar are fixedly supported on the actuator housing by needle bearing.
In one preferred embodiment of the utility model, controller is carried on the motor.
In one preferred embodiment of the utility model, the motor is servomotor or stepper motor.
The beneficial effects of the utility model are：A kind of anti-body roll actuator of the utility model, passes through big speed ratio
Gear coordinated scheme designs, and on the one hand can realize high pulling torque transmission, on the other hand can effectively reduce worm screw rotating speed, improves worm screw
Service life；The utility model is simple and compact for structure, occupies little space, and control accuracy is high, is the anti-body roll suspension system of active
The effective power guarantee of system active suppression body roll.
Brief description of the drawings
Fig. 1 is a kind of dimensional structure diagram of the anti-preferred embodiment of body roll actuator one of the utility model；
Fig. 2 is the schematic cross-sectional view in B-B directions in Fig. 1；
Fig. 3 is the schematic cross-sectional view in A-A directions in Fig. 1；
Fig. 4 is the structural representation of shown idler gear；
Fig. 5 is the structural representation of shown worm screw；
Fig. 6 is the schematic elevation view of the anti-body roll suspension system of shown active；
Fig. 7 is the schematic cross-sectional view in A-A directions in Fig. 6；
Fig. 8 is the structural representation of stub；
The mark of each part is as follows in accompanying drawing：1. steering column, 2. upper control arms, 3. times parallel bars, 4. stub seats, 5. masters
Pin, 51. steering trapezoidal arms, 52. shock-absorbing support arms, 6. anti-body roll actuators, 61. actuator housings, 62. motors,
63. mechanical lock, 64. motor gears, 65. idler gears, 66. worm screws, 67. perform gear, 621. output shafts, 651. first teeth
Wheel, 652. second gears, 661. worm screw input gears, 662. worm screw output gears, 7. steering spindles, 8. pitman arms, 9. turn to
Pull bar, 10. dampings and main assemblage of spring, 11. hubs, 12. tire assemblies, 13. suspensions lock, 4. parallel bearing pins.
Embodiment
Preferred embodiment of the present utility model is described in detail below in conjunction with the accompanying drawings, so that the advantages of the utility model
It can be easier to be readily appreciated by one skilled in the art with feature, it is apparent clear and definite so as to be made to the scope of protection of the utility model
Define.
Fig. 1 and Fig. 2 are referred to, the utility model embodiment includes：
Embodiment 1
A kind of anti-body roll actuator, for providing rotary power to actively anti-body roll suspension system, including：Hold
Row device housing 61, motor 62, mechanical lock 63, motor gear 64, idler gear 65, worm screw 66 and execution gear 67.It is described
Actuator housing 61 is fixedly connected with the output end of motor 62.
The output shaft 621 of the motor 62 is penetrated in actuator housing 61, for uniform force, output shaft 621
End be also equipped with needle bearing, and needle bearing is fixed on actuator housing 61.The output shaft 621 of motor 62
On along the direction of output shaft end be sequentially installed with mechanical lock 63 and motor gear 64.Wherein, mechanical lock 63 can be cold
In the case of complete locking and unblock to motor output shaft；Motor gear 64 is used for the moment of torsion for exporting output shaft.Motor energy
The speed and angle of output shaft rotation are enough accurately controlled, and possesses electric braking and latch functions, output shaft can be parked in hair
Go out the position of the specified anglec of rotation, and can prevent the effect of external force from output shaft is deviateed the angle specified.In addition, driving electricity
Controller is also carried on machine（Do not show）, some data on vehicle operating mode that can be provided according to entire car controller, such as
Speed, steering wheel angle, body gesture etc., the control instruction of each side such as rotation, stopping is sent to motor.Driving electricity
Machine 62 can be servomotor, stepper motor or other motors, and simply the control accuracy of servomotor is higher, preferably uses.Separately
Outside, electric control lock is also carried on motor 61（Do not show）
The idler gear 65 and worm screw 66 are fixed in actuator housing 61 with the direction parallel to output shaft 621, its
Both ends provide support force by the needle bearing being fixed in actuator housing respectively.Wherein, the idler gear 65 includes same
The first gear 651 and second gear 652 that axle is fixedly connected, and the diameter of first gear 651 is less than the straight of second gear 652
Footpath.The part that the worm screw 66 is located in actuator housing 61 is provided with worm screw input gear 661, passes the portion of actuator housing
Divide and worm screw output gear 662 is installed.
The gear 67 that performs is fixed on actively on the lower parallel bar of anti-body roll suspension system.
The meshing relation of above-mentioned each gear is：The first gear of motor gear and idler gear（Little gear）Engagement, it is middle
The second gear of gear（Gear wheel）Engaged with worm screw input gear, worm screw output gear engages with performing gear.
The meaning that said gear coordinates：
One：The torque of motor output shaft passes through the engagement of motor gear and idler gear and idler gear and gear on worm
（Worm screw input gear）Engagement be converted into the rotation of worm screw, the rotation of worm screw is nibbled by worm screw output gear and execution gear
The rotating torque for being converted into and performing gear is closed, then the fixed relationship by performing gear and lower parallel bar drives actively anti-body side
The rotation for suspension system of inclining, actively to adapt to the operating various situations of vehicle.
Secondly：This gear coordinates the design for the big speed ratio for employing worm- gear drive, it is possible to achieve high pulling torque transmission.
The rotating speed of worm screw is reduced specifically, it first passes through motor gear and the cooperation of idler gear, then coordinated greatly by gear on worm
Gearratio reduces the rotating speed for performing gear, first reduces worm screw rotating speed using the characteristics of gear on worm big speed ratio, is favorably improved
The service life of worm screw.
Suspension system using the anti-body roll of active of the present utility model also includes：Steering column 1, upper control arm 2, under
Parallel bar 3, stub seat 4, stub 5, steering spindle 7, pitman arm 8, steering linkage 9, damping and main assemblage of spring 10, hub
11st, tire assembly 12.
Wherein, the steering column 1 is fixed on body frame, thereon with two parallel bearing pins along vehicle body longitudinal direction
14, upper control arm 2 and lower parallel bar 3 by needle bearing perpendicular to the direction of steering column 1, its middle part to be connected to parallel pin
On axle 12, its both ends respectively connects a stub seat 4.Upper control arm and lower parallel bar in the presence of needle bearing, can around turn
Rotated to the parallel bearing pin of tubing string.Wherein, upper and lower parallel bar is made up of front and rear symmetrical two laminated structures, front and rear panel
Shape structure is fixedly clamped by the nut of four bolt and nuts and the stub seat of the right and left.The design of parallel bar laminated structure is big
Its own weight is reduced greatly, makes suspension system lightweight.
The stub 5 is connected on stub seat 4 by 2 needle bearing insertions, and its lower end is with being fixed on tire assembly 12
On hub 11 connect.The stub 5 is serpentine structure, including steering trapezoidal arm 51 and 2 shock-absorbing support arms 52, described
Steering trapezoidal arm 51 is arranged between 2 shock-absorbing support arms 52.
Steering spindle 7 is connected in steering column 1 by two needle bearing insertions, and its upper end connects with handlebar or steering wheel
Connect, its lower end connects and drives pitman arm 8.One end of the steering linkage 9 is connected with pitman arm 8, its other end and master
The steering trapezoidal arm 51 of pin 5 connects.The drawing point of pitman arm farthest reduces stub bob to travel direction
Influence.
The upper end of the damping and main assemblage of spring 10 is connected with the stub 5, and its lower end is fixed with the hub 11
The both ends of connection, the damping and main assemblage of spring are welded with suspension lock 13, when needed for locked damping and main assemblage of spring.
The upper control arm 2, lower parallel bar 3 and its stub seat 4 at both ends form a parallelogram, parallel four side
Shape provides rotary power by anti-body roll actuator 6, and the parallel bearing pin 14 around steering column 1 rotates, so as to drive stub
Move up and down, suspension system is adapted to the various operating modes of vehicle operation.
Above-mentioned stub 5 has two kinds of motion states, one is steering spindle 7 drives pitman arm 8, pitman arm passes through steering
Pull bar pulls the steering trapezoidal arm 51 of stub 5, so that stub rotates around itself, realizes front-wheel steer；The second is anti-body side
The actuator 6 that inclines drives parallelogram to be rotated around the parallel bearing pin of steering column, so as to drive stub to move up and down, to adapt to car
Operating various operating modes.
The operation principle of anti-body roll actuator of the present utility model is：
During vehicle launch, anti-body roll actuator closes mechanical lock, starts its electric control lock carried, ensures that vehicle body does not shake
Shake and even topple over；After vehicle launch, the electric control lock and mechanical lock of anti-body roll actuator unlock.
When the vehicle is turning, the controller of anti-body roll actuator receives the turn signal of entire car controller offer,
And the data on vehicle operating mode that entire car controller provides are combined, such as speed, roll velocity, steering wheel angle, vehicle body appearance
State etc., the charge order of rotation is sent to the motor of anti-body roll actuator, motor passes through motor by its instruction
The engagement of gear, idler gear and gear on worm, the torque of motor is converted into the rotation of worm screw, and the rotation of worm screw is led to again
The cooperation for crossing execution gear is converted into the rotating torque for performing gear, performs gear and is fixed on lower parallel bar, flat so as to drive
Row quadrangle makees corresponding rotation around the parallel bearing pin along vehicle longitudinal direction of steering column, to adapt to the state turned.
For example, when turning to the left, the anti-above-mentioned parallelogram of body roll actuator active drive is put down along steering column
It is on sale throughout axle rotate counterclockwise so that the right side suspension stretching of suspension system, left side suspension compresses, so as to resist body quality used
Property effect under shift to the right, make vehicle body keep level state, vehicle body centroid position is constant；Further, since vehicle body is to suspension
Reaction, turning medial wheel is reduced the pressure loss on ground, the centripetal force increase that can be provided, effectively improve curved car
Speed.Body roll is greatly decreased and body quality transfer is reduced, and improves vehicle riding comfort, control stability and driving safety
Property.
When the vehicle is parked, the electric control lock of anti-body roll actuator is closed, and mechanical lock is opened, suspension lock locking suspension,
Make vehicle stable in halted state.
Embodiment of the present utility model is the foregoing is only, not thereby limits the scope of the claims of the present utility model, it is every
The equivalent structure or equivalent flow conversion made using the utility model specification and accompanying drawing content, or be directly or indirectly used in
Other related technical areas, similarly it is included in scope of patent protection of the present utility model.
Claims (5)
1. a kind of anti-body roll actuator, for providing rotary power to actively anti-body roll suspension system, its feature exists
In, including：Actuator housing, motor, mechanical lock, motor gear, idler gear, worm screw and execution gear；The execution
Device housing is fixedly connected with the output end of the motor, and the output shaft of the motor is penetrated in the actuator housing
It is interior, it is sequentially installed with mechanical lock and motor gear along the direction of output shaft end thereon；The idler gear is with worm screw with parallel
It is fixed in the direction of the output shaft in the actuator housing, wherein, the worm screw is located in the actuator housing
Part is provided with worm screw input gear, and the part for passing the actuator housing is provided with worm screw output gear；The center tooth
Wheel engages with the motor gear and worm screw input gear respectively, and the execution gear engages with the worm screw output gear, and
It is fixedly connected with the lower parallel bar of actively anti-body roll suspension system.
2. anti-body roll actuator according to claim 1, it is characterised in that the idler gear includes coaxial fixed
The first gear and second gear of connection, and the diameter of first gear is less than the diameter of second gear, wherein, the first gear
Engaged with the motor gear, the second gear engages with the worm screw input gear.
3. anti-body roll actuator according to claim 1, it is characterised in that the end of the output shaft of the motor
The both ends at end, idler gear and worm screw are fixedly supported on the actuator housing by needle bearing.
4. the anti-body roll actuator according to any one of claims 1 to 3, it is characterised in that on the motor
With controller.
5. anti-body roll actuator according to claim 4, it is characterised in that the motor be servomotor or
Stepper motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547748.2U CN206938376U (en) | 2017-05-17 | 2017-05-17 | Anti- body roll actuator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720547748.2U CN206938376U (en) | 2017-05-17 | 2017-05-17 | Anti- body roll actuator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206938376U true CN206938376U (en) | 2018-01-30 |
Family
ID=61361706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720547748.2U Expired - Fee Related CN206938376U (en) | 2017-05-17 | 2017-05-17 | Anti- body roll actuator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206938376U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107264212A (en) * | 2017-05-17 | 2017-10-20 | 苏州舒狮汽车科技有限公司 | Anti- body roll actuator |
-
2017
- 2017-05-17 CN CN201720547748.2U patent/CN206938376U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107264212A (en) * | 2017-05-17 | 2017-10-20 | 苏州舒狮汽车科技有限公司 | Anti- body roll actuator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20200517 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |