CN206738479U - Using the magnetorheological steering damper of the new automobile of Transmission Mechanism of Planetary Gear System - Google Patents
Using the magnetorheological steering damper of the new automobile of Transmission Mechanism of Planetary Gear System Download PDFInfo
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- CN206738479U CN206738479U CN201720505219.6U CN201720505219U CN206738479U CN 206738479 U CN206738479 U CN 206738479U CN 201720505219 U CN201720505219 U CN 201720505219U CN 206738479 U CN206738479 U CN 206738479U
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- Prior art keywords
- damper
- planetary gear
- output shaft
- rotor
- bearing
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- Fluid-Damping Devices (AREA)
Abstract
The utility model discloses a kind of magnetorheological steering damper of the new automobile using Transmission Mechanism of Planetary Gear System, is mainly made up of damper rotor, damper cylinder body, damper stator, damping shaft core, magnet exciting coil, planetary gear train and bearing etc..Damper rotor rotates around stator, and planet carrier is with turning to output axis connection；Planetary gear train and damper rotor rotation are driven when motor turning output shaft rotates；Vehicle Controller receives the signal from inductive vehicle system, controls steering damper field coil current size, when magnet exciting coil is powered, is flowed through in magnetic flow liquid and magnetic field is produced in passage, forms controllable damping force, hinders rotor rotation；Rotor hinders to turn to the torque of output shaft rotation by planetary gear train transmission, reaches vibration damping purpose.Planetary gear train is remarkably improved gearratio, so as to effectively increase the torque of damper, it is not necessary to separately set torque amplifier, reduce system bulk.The utility model is highly suitable to be applied for automobile steering system.
Description
Technical field
It the utility model is related to a kind of magnetorheological steering damper, more particularly to it is a kind of using Transmission Mechanism of Planetary Gear System
The magnetorheological steering damper of new automobile.
Background technology
With the fast development of auto industry and the improvement of road traffic condition, Automobile Design increasingly lightweight and height
Speedization.But galloping exceedes a certain critical speed or has external interference (such as road bumps, wheel tremble, treadwear
Deng) when, obvious gyration and hired roughneck's phenomenon, i.e. steering-wheel flutter phenomenon occurs in steering wheel, and such phenomenon exists always
Driver is produced fatigue, have a strong impact on the driving safety of automobile, and parts depreciation can be caused to reduce automobile for a long time to make
Use the time limit.
The appearance of magnetic flow liquid brings new thinking, rheology of the magnetic flow liquid under magnetic fields to solving above-mentioned problem
Characteristic is that moment is reversible, and the shear yield strength after its rheology has stable corresponding relation with magnetic field intensity.In magnetic
Under field action, the yield strength for flowing through the magnetic flow liquid of fluid course changes, and so as to export damping force, and can pass through control
Magnetic field intensity processed changes the shear yield strength of magnetic flow liquid, realizes the step-less adjustment of MR damper output damping force.
MR damper can produce resistance to motion, and be used for dissipation movement energy.Possess in its working range
Fast response time, simple in construction, small volume, it is easily controlled and low power consumption and other advantages, is a kind of preferably vibration isolation earthquake-proof component,
There is extensive use in building, machinery, military project etc..
When magnetic rheological liquid damper is applied into steering axles, damping effect can be effectively played, therefore designs a kind of use
Had broad application prospects in the steering damper for suppressing shimmy.
The content of the invention
In order to overcome problem present in background technology, the utility model provides a kind of using Transmission Mechanism of Planetary Gear System
The magnetorheological steering damper of new automobile, to solve shimmy phenomenon.Magnetorheological steering damping in the utility model
Moment of torsion caused by device can effectively reduce the turning velocity of steering, so as to reduce vibration.The sense to be linked together with steering wheel
Answer system to be able to detect that the motion state of steering wheel, and generate signal and be transferred in Vehicle Controller, Vehicle Controller is to this
Signal carries out Algorithm Analysis and processing, judges the transport condition of now automobile, according to the result of algorithm to executing agency and
Magnetorheological steering damper sends control signal, the size of electric current and side in the motion of control executing agency and regulation magnet exciting coil
To so as to change caused torque in steering damper.When driver is without go to action, steering spindle can obtain larger turn
To damping, to reduce automobile vibration；When driver turns to, steering spindle can obtain less turn to and damp, to drive
Member is easier to perform go to action.
Technical scheme includes used by the utility model solves its technical problem：Damper stator (1), left bearing (2),
Damper cylinder body (3), damper rotor (4), sealing screw (5), magnet exciting coil (6), damping shaft core (7), right bearing (8), axle
Cover (9), planetary gear I (10), centre wheel (11), attenuator end cap (12), output shaft bearing (13), output shaft bearing end cap
(14) output shaft (15), planet carrier (16) and planetary gear II (17), are turned to；Damper stator (1) and damping shaft core (7) are left
End is fastenedly connected with damper cylinder body (3) by screw respectively；Damper stator (1) left end step shaft portion and left bearing
(2) inner ring is interference fitted, and damper stator (1) right-hand member axle is interference fitted with right bearing (8) inner ring；Damper stator (1) both ends
Circumferential outer surface coordinates with damper rotor (4) both ends circumference internal surface gaps, and is sealed by sealing ring；Damper stator
(1) intermediate circumference outer surface is provided with the fluid course that radial clearance is 1mm with damper rotor (4) intermediate circumference inner surface；Resistance
Buddhist nun's shaft core (7) right-hand member is interior with damper stator (1) by damper stator (1) shaft shoulder axially position, damping shaft core (7) outer surface
Surface is interference fitted；Damping shaft core (7) outer surface is machined with toroidal cavity, and magnet exciting coil (6) is wrapped in groove；Damper
Manhole is machined with the middle part of cylinder body (3) and damper rotor (4), for adding magnetic flow liquid, sealing screw (5) and damper
Rotor (4) is screwed connection, and is sealed by sealing gasket；Damper rotor (4) left end inner surface and left bearing (2) are outside
Circle interference fit；Damper rotor (4) right-hand member inner surface is interference fitted with right bearing (8) outer ring；Damper rotor (4) outer surface
Coordinate with damper cylinder body (3) internal surface gaps；The left axle shoulder and damper rotor that left bearing (2) passes through damper stator (1)
(4) right axle shoulder axially position；The right axle shoulder and round nut left side axially position that right bearing (8) passes through damper stator (1)；
Centre wheel (11) engages with planetary gear I (10) and planetary gear II (17)；Damper rotor (4) right-hand member rotating shaft passes through key centering
Heart wheel (11) carries out circumferentially positioned；Centre wheel (11) carries out axially position by axle sleeve (9) right side and nut left side；Planet
Gear I (10) and planetary gear II (17) are carried out by the shaft shoulder of planet carrier (16) left end projecting shaft and nut right side respectively
Axially position；Planet carrier (16) left end projecting shaft carries out week to planetary gear I (10) and planetary gear II (17) respectively by key
To positioning；Axle sleeve (9) carries out axially position by damper rotor (4) right axle shoulder right side and centre wheel (11) left side；It is defeated
Go out axle bearing (13) and axially position is carried out by planet carrier (16) right side and output shaft bearing end cap (14)；Output shaft bearing end
Manhole is machined among lid (14), turns to output shaft (15) outer surface and table in output shaft bearing end cap (14) manhole
Face gap coordinates；Turn to output shaft (15) to be interference fitted with output shaft bearing (13) inner ring, turn to output shaft (15) left end and row
Carrier (16) is connected by screw threads for fastening；Output shaft bearing end cap (14) is fastenedly connected with attenuator end cap (12) by screw,
Manhole is machined among attenuator end cap (12), its inner surface is interference fitted with output shaft bearing (13) outer ring.
The utility model has an advantageous effect in that compared with background technology：
(1) the utility model magnetorheological steering damper response time is shorter than the Normal hydraulic shock absorber response time, should
Magnetorheological steering damper can not only suppress shimmy, and when automobile is blown out suddenly due to failure, be in control
Magnetorheological steering damper energy quick response and sideslip power when producing torque to offset a part of automobile flat tire in the presence of system,
Correct operation, which is carried out, for driver strives for the quality time.
(2) in the case where identical turns to output rotating speed, gearratio is remarkably improved by increasing planetary gear train structure, from
And the torque of steering damper is effectively increased, without setting torque amplification device in addition, so as to reduce system bulk, system
It is compact-sized.
(3) two identical planetary gears are used in damper planetary gear train, are uniformly distributed in around centre wheel, planetary gear
Mutually balanced with the inertia force of pivoted arm so that gear drive is steady, in addition increases also the number of teeth that participation is engaged, shock resistance and anti-
Vibration ability strengthens, and system functional reliability improves.
Brief description of the drawings
Fig. 1 is the utility model structure diagram.
Fig. 2 is the automobile steering system schematic diagram using the utility model structure.
Embodiment
Fig. 1 is the utility model structure diagram, including damper stator (1), left bearing (2), damper cylinder body (3),
Damper rotor (4), sealing screw (5), magnet exciting coil (6), damping shaft core (7), right bearing (8), axle sleeve (9), planetary gear I
(10), centre wheel (11), attenuator end cap (12), output shaft bearing (13), output shaft bearing end cap (14), steering output shaft
(15), planet carrier (16) and planetary gear (17)；
Fig. 2 is the automobile steering system schematic diagram using the utility model structure, including steering wheel (18), induction system
(19) input shaft (20), executing agency (21), Vehicle Controller (22), rack-and-pinion (23) and magnetorheological turn to, is turned to hinder
Buddhist nun's device (24).
Utility model works principle is as follows：
When in vehicle traveling process, with turning to input shaft (20) induction system (19) side of being able to detect that for linking together
To the motion state of disk (18), and generate signal and be transferred in Vehicle Controller (22), Vehicle Controller (22) enters to this signal
Row Algorithm Analysis is simultaneously handled, and judges the transport condition of now automobile, according to algorithm process result to executing agency (21) and magnetic current
Become steering damper (24) and send control signal, excitation in control executing agency (21) motion and magnetorheological steering damper (24)
Coil current size.Executing agency (21) drives rack-and-pinion (23) motion to be turned to, and magnetorheological steering damper (24) is right
Output shaft produces steering damping of different sizes.When driver keeps steering wheel (18) state constant, Vehicle Controller (22)
Caused signal controls magnet exciting coil (6) turn-on current, so that magnetorheological steering damper (24) produces larger torque, passes through
The velocity of rotation for reducing steering is shimmy to control.When driver changes steering wheel (18) state, Vehicle Controller (22)
Signal control magnet exciting coil (6) the cut-out electric current of output, less steering damping can be obtained by turning to output shaft (19), to drive
The person of sailing is easier to perform go to action.
Claims (1)
- A kind of 1. magnetorheological steering damper of new automobile using Transmission Mechanism of Planetary Gear System, it is characterised in that including：Damping Device stator (1), left bearing (2), damper cylinder body (3), damper rotor (4), sealing screw (5), magnet exciting coil (6), damping Shaft core (7), right bearing (8), axle sleeve (9), planetary gear I (10), centre wheel (11), attenuator end cap (12), output shaft bearing (13), output shaft bearing end cap (14), steering output shaft (15), planet carrier (16) and planetary gear II (17)；Damper is determined Sub (1) and damping shaft core (7) left part are fastenedly connected with damper cylinder body (3) by screw respectively；Damper stator (1) left end Step shaft portion is interference fitted with left bearing (2) inner ring, and damper stator (1) right-hand member axle is interference fitted with right bearing (8) inner ring； Damper stator (1) both ends circumferential outer surface coordinates with damper rotor (4) both ends circumference internal surface gaps, and passes through sealing ring Sealing；Damper stator (1) intermediate circumference outer surface is provided with radial clearance with damper rotor (4) intermediate circumference inner surface 1mm fluid course；Shaft core (7) right-hand member is damped by damper stator (1) shaft shoulder axially position, damps shaft core (7) outer surface It is interference fitted with damper stator (1) inner surface；Damping shaft core (7) outer surface is machined with toroidal cavity, and magnet exciting coil (6) twines It is wound in groove；Manhole is machined with the middle part of damper cylinder body (3) and damper rotor (4), it is close for adding magnetic flow liquid Envelope screw (5) is screwed with damper rotor (4) to be connected, and is sealed by sealing gasket；In damper rotor (4) left end Surface is interference fitted with left bearing (2) outer ring；Damper rotor (4) right-hand member inner surface is interference fitted with right bearing (8) outer ring；Resistance Buddhist nun's device rotor (4) outer surface coordinates with damper cylinder body (3) internal surface gaps；The left side that left bearing (2) passes through damper stator (1) The right axle shoulder axially position of the shaft shoulder and damper rotor (4)；The right axle shoulder and circle spiral shell that right bearing (8) passes through damper stator (1) Female left side axially position；Centre wheel (11) engages with planetary gear I (10) and planetary gear II (17)；Damper rotor (4) Right-hand member rotating shaft is carried out circumferentially positioned by key to centre wheel (11)；Centre wheel (11) passes through axle sleeve (9) right side and nut left end Face carries out axially position；Planetary gear I (10) and planetary gear II (17) pass through the axle of planet carrier (16) left end projecting shaft respectively Shoulder and nut right side carry out axially position；Planet carrier (16) left end projecting shaft by key respectively to planetary gear I (10) and Planetary gear II (17) carries out circumferentially positioned；Axle sleeve (9) is left by damper rotor (4) right axle shoulder right side and centre wheel (11) End face carries out axially position；Output shaft bearing (13) carries out axle by planet carrier (16) right side and output shaft bearing end cap (14) To positioning；Manhole is machined among output shaft bearing end cap (14), turns to output shaft (15) outer surface and output shaft bearing End cap (14) manhole internal surface gaps coordinate；Turn to output shaft (15) to be interference fitted with output shaft bearing (13) inner ring, turn It is connected to output shaft (15) left end with planet carrier (16) by screw threads for fastening；Output shaft bearing end cap (14) and attenuator end cap (12) it is fastenedly connected by screw, is machined with manhole among attenuator end cap (12), its inner surface and output shaft bearing (13) outer ring is interference fitted.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720505219.6U CN206738479U (en) | 2017-05-09 | 2017-05-09 | Using the magnetorheological steering damper of the new automobile of Transmission Mechanism of Planetary Gear System |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720505219.6U CN206738479U (en) | 2017-05-09 | 2017-05-09 | Using the magnetorheological steering damper of the new automobile of Transmission Mechanism of Planetary Gear System |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206738479U true CN206738479U (en) | 2017-12-12 |
Family
ID=60564220
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720505219.6U Expired - Fee Related CN206738479U (en) | 2017-05-09 | 2017-05-09 | Using the magnetorheological steering damper of the new automobile of Transmission Mechanism of Planetary Gear System |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206738479U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372883A (en) * | 2018-05-02 | 2018-08-07 | 吉林大学 | Magnetorheological fluid rotates torsional spring power sense feedback device and its application method |
| CN108583676A (en) * | 2018-05-02 | 2018-09-28 | 吉林大学 | Magnetorheological fluid birotor power sense feedback device and its application method |
| CN108725573A (en) * | 2018-05-29 | 2018-11-02 | 南京航空航天大学 | A kind of active steering road feel control system and its control method based on magnetorheological fluid |
| CN115111299A (en) * | 2022-07-11 | 2022-09-27 | 湖南省潇振工程科技有限公司 | Axial tension and pressure asymmetric eddy current damper |
-
2017
- 2017-05-09 CN CN201720505219.6U patent/CN206738479U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108372883A (en) * | 2018-05-02 | 2018-08-07 | 吉林大学 | Magnetorheological fluid rotates torsional spring power sense feedback device and its application method |
| CN108583676A (en) * | 2018-05-02 | 2018-09-28 | 吉林大学 | Magnetorheological fluid birotor power sense feedback device and its application method |
| CN108372883B (en) * | 2018-05-02 | 2019-11-26 | 吉林大学 | Magnetorheological fluid rotates torsional spring power sense feedback device and its application method |
| CN108583676B (en) * | 2018-05-02 | 2019-11-26 | 吉林大学 | Magnetorheological fluid birotor power sense feedback device and its application method |
| CN108725573A (en) * | 2018-05-29 | 2018-11-02 | 南京航空航天大学 | A kind of active steering road feel control system and its control method based on magnetorheological fluid |
| CN108725573B (en) * | 2018-05-29 | 2024-03-19 | 南京航空航天大学 | Active steering road feel control system based on magnetorheological fluid and control method thereof |
| CN115111299A (en) * | 2022-07-11 | 2022-09-27 | 湖南省潇振工程科技有限公司 | Axial tension and pressure asymmetric eddy current damper |
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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: 20171212 Termination date: 20180509 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |