CN103465954B - Magnetorheology self-reset line-control steering effort positioner - Google Patents
Magnetorheology self-reset line-control steering effort positioner Download PDFInfo
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- CN103465954B CN103465954B CN201310461150.8A CN201310461150A CN103465954B CN 103465954 B CN103465954 B CN 103465954B CN 201310461150 A CN201310461150 A CN 201310461150A CN 103465954 B CN103465954 B CN 103465954B
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- guide
- ball axis
- slide block
- input shaft
- outer cylinder
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Abstract
The present invention relates to a kind of magnetorheology self-reset line-control steering effort positioner, comprise fixed outer cylinder, input shaft armature, the ball axis of guide, slide block and spring, the ball axis of guide is driven to rotate by input shaft armature during work, thus band movable slider rotates thereupon, slide block is made to produce moving axially relative to the ball axis of guide, compress the spring of wherein one end, make slide block be subject to one and sense of motion opposite effect power; When removing the moment on input shaft armature, make slide block return to balance position by the application force of spring, slide block is got back in balance position process and is with driven input shaft armature to turn to initial position.Energy consumption of the present invention is low, reliability is high, can realize wide-angle turn to and rigidity adjustable from return function, work soft, rigid shock large shortcoming when avoiding traditional motor actuator work.
Description
Technical field
The present invention relates to vehicle wire-controlled steering system, be specifically related to a kind of magnetorheology self-reset line-control steering effort positioner.
Background technology
The function of wheel steering system is that the input instruction following chaufeur makes wheel flutter turn to, to obtain the direction controlling of entire vehicle.Steering-by-wire by between bearing circle with wheel flutter by the steering technique that control signal is connected, be an important component part of future automobile wire control technology.Wire-controlled steering system is owing to eliminating bearing circle and turning to being rigidly connected between actuating unit, finite space in car can be saved, reduce complete vehicle quality, relative conventional steering system, being more convenient for implementing ACTIVE CONTROL with the cornering properties of realizing ideal, is the preferred plan of future automobile automated steering.Simultaneously, owing to that eliminating mechanical connection, cause directly transmitting and encourage from road surface and tire the feedback force/moment produced, i.e. " bearing circle road feel " and certainly time positive characteristic, but wire-controlled steering system still needs the automatic aligning function being realized the simulation of bearing circle road feel and bearing circle by specific device.At present, all kinds of steering wheel positioners researched and developed combine to realize with torsion spring as actr mainly with stepping motor, but electric motor actuator and the size of speed reduction gearing of mating usually larger, and electric motor actuator operationally has the more high weak point of obvious rigid shock, energy consumption, the application of torsion spring simultaneously also significantly limit steering wheel angle scope.
Summary of the invention
In view of this, the object of this invention is to provide a kind of magnetorheology self-reset line-control steering effort positioner, its energy consumption be low, reliability is high, can realize wide-angle turn to and rigidity adjustable from return function.
The invention discloses a kind of magnetorheology self-reset line-control steering effort positioner, comprise fixed outer cylinder, input shaft armature, the ball axis of guide and be positioned at the inner core of fixed outer cylinder;
Described input shaft armature one end is positioned at fixed outer cylinder, the described input shaft armature other end passes from fixed outer cylinder and is sealed and matched with its rotation, described input shaft armature is positioned at fixed outer cylinder one end and is connected with inner core and is sealed and matched with it, described input shaft armature is coaxial with inner core, input shaft armature in described fixed outer cylinder is circumferentially embedded with excitation coil, and described excitation coil is provided with wire and stretches out fixed outer cylinder by input shaft armature inside;
Described ball axis of guide one end is positioned at inner core, the described ball axis of guide other end passes inner core and passes from fixed outer cylinder, the described ball axis of guide is coaxial with input shaft armature, the described ball axis of guide rotates with inner core and fixed outer cylinder and is sealed and matched respectively, the described ball axis of guide and input shaft armature normal-running fit;
The ball axis of guide in described inner core is provided with along ball axis of guide slide block in axial sliding, described slide block and ball axis of guide threaded engagement, described slide block and inner core normal-running fit, the described ball axis of guide is positioned at slide block both sides and is provided with the spring force control apparatus moved axially along the ball axis of guide, is provided with spring between described slide block and spring force control apparatus;
Described fixed outer cylinder and between input shaft armature and inner core gap-fill have magnetic flow liquid.
The invention also discloses a kind of magnetorheology self-reset line-control steering effort positioner, comprise fixed outer cylinder, input shaft armature and the ball axis of guide;
Be provided with dividing plate in described fixed outer cylinder and fixed outer cylinder inside is divided into chamber I and chamber II;
Described input shaft armature one end is positioned at chamber I, the described input shaft armature other end passes from fixed outer cylinder and is sealed and matched with its rotation, described ball axis of guide one end is connected with input shaft armature in fixed outer cylinder, the described ball axis of guide other end passes chamber II and stretches out fixed outer cylinder, the described ball axis of guide is coaxial with input shaft armature, the described ball axis of guide and dividing plate rotate and are sealed and matched, the described ball axis of guide and fixed outer cylinder normal-running fit;
The ball axis of guide in described chamber II is provided with along ball axis of guide slide block in axial sliding, described slide block and ball axis of guide threaded engagement, the described ball axis of guide is positioned at slide block both sides and is provided with the spring force control apparatus moved axially along the ball axis of guide, is provided with spring between described slide block and spring force control apparatus;
Magnetic flow liquid is filled with in described chamber I.
Further, the described ball axis of guide is provided with spiral groove II vertically, and described slide block inwall is provided with the carriage with spiral groove II bearing fit; Described carriage comprises the spiral groove I matched with spiral groove II, is provided with multiple ball in described spiral groove I.
Further, the described ball axis of guide is provided with screw thread vertically, described slide block and ball axis of guide screw thread fit.
Further, described inner core inwall is provided with the guide chute I along ball axis of guide bearing of trend, and described slide block is provided with the projection with guide chute I bearing fit.
Further, described chamber II inwall is provided with the guide chute II along ball axis of guide bearing of trend, and described slide block is provided with the projection with guide chute II bearing fit.
Further, described spring force control apparatus is self lock nut, described self lock nut and ball axis of guide screw thread fit.
Further, described both ends of the spring is provided with spring perch.
Further, described inner core comprises detachable end cap I, and described end cap I is threaded with inner core and is sealed and matched with it, and the described ball axis of guide is through end cap I.
Further, described fixed outer cylinder comprises detachable end cap II, and described end cap II is threaded with fixed outer cylinder and is sealed and matched with it, and the described ball axis of guide stretches out from end cap II.
Beneficial effect of the present invention is: the present invention has the following advantages:
(1) utilize flexible magnetorheological damping due to rotation control apparatus to realize the function of steering handwheel force feedback, instead of the function of the motor of relative rigidity in traditional line traffic control steering system, have the advantages that low energy consumption, high reliability and work are soft;
(2) version that screw thread pair or circulating ball kinematic pair coordinate with a pair compression coil spring is adopted between slide block with the ball axis of guide, not only reduce the friction force of relative motion between slide block and the ball axis of guide, also make it simultaneously and adopt torsion spring or extension spring etc. to realize steering handwheel compared with the same device of return function, be easier to realize steering handwheel wide-angle and turn to and from the demand of return function;
(3) by the adjustment of self lock nut, change the amount of compression of slide block both sides spring, thus the system that realizes turns to the adjustment of rigidity and steering wheel centre position.
Accompanying drawing explanation
In order to make the object of invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the present invention is described in further detail, wherein:
Fig. 1 is the structural representation of the embodiment of the present invention 1;
Fig. 2 is the structural representation of the embodiment of the present invention 1 slide block;
Fig. 3 is the A-A cutaway view of Fig. 2 of the present invention;
Fig. 4 is the structural representation of the embodiment of the present invention 2;
Fig. 5 is the structural representation of the embodiment of the present invention 3;
Fig. 6 is the structural representation of the embodiment of the present invention 4.
Detailed description of the invention
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, magnetorheology self-reset line-control steering effort positioner of the present invention, comprises fixed outer cylinder 1, input shaft armature 2, the ball axis of guide 4 and is positioned at the inner core 3 of fixed outer cylinder 1;
Described input shaft armature 2 one end is positioned at fixed outer cylinder 1, described input shaft armature 2 other end passes from fixed outer cylinder 1 and is sealed and matched with its rotation, further optimization, described input shaft armature 2 is provided with bearing III 25 and fixed outer cylinder 1 normal-running fit, described input shaft armature 2 is positioned at fixed outer cylinder 1 one end and is connected with inner core 3 and is sealed and matched with it, described input shaft armature 2 is coaxial with inner core 3, input shaft armature 2 in described fixed outer cylinder 1 is circumferentially embedded with excitation coil 5, described excitation coil 5 is provided with wire 6 and stretches out fixed outer cylinder 1 by input shaft armature 2 inside,
The described ball axis of guide 4 one end is positioned at inner core 3, the described ball axis of guide 4 other end passes inner core 3 and passes from fixed outer cylinder 1, the described ball axis of guide 4 is coaxial with input shaft armature 2, the described ball axis of guide 4 rotates with inner core 3 and fixed outer cylinder 1 and is sealed and matched respectively, and the described ball axis of guide 4 and input shaft armature rotate 2 and coordinate; Further optimization, the described ball axis of guide 4 is provided with bearing II 8 and inner core 3 normal-running fit, and the described ball axis of guide 4 is provided with bearing I 7 and input shaft armature 2 normal-running fit;
The ball axis of guide 4 in described inner core 3 is provided with along the ball axis of guide 4 slide block 9 in axial sliding, described slide block 9 and the ball axis of guide 4 threaded engagement, described slide block 9 and inner core 3 normal-running fit, the described ball axis of guide 4 is positioned at slide block 9 both sides and is provided with the spring force control apparatus 10 moved axially along the ball axis of guide 4, is provided with spring 11 between described slide block 9 and spring force control apparatus 10;
Described fixed outer cylinder 1 and between input shaft armature 2 and inner core 3 gap-fill have magnetic flow liquid, impressed current is applied by wire 6 pairs of excitation coils 5, excitation coil 5 is made to produce magnetic field and act on magnetic flow liquid, by changing impressed current, the adjustable power acting on magnetic flow liquid magnetic field, thus change the viscosity of magnetic flow liquid, the required dumping force overcome also corresponding change when making steering wheel rotation.
In the present embodiment, the described ball axis of guide 4 is provided with spiral groove II 16 vertically, and described slide block 9 inwall is provided with the carriage with spiral groove II 16 bearing fit; Described carriage comprises the spiral groove I 14 matched with spiral groove II 16, is provided with multiple ball 15 in described spiral groove I 14.In the process that ball 15 rotates at slide block 9, cliding friction original to slide block 9 and the ball axis of guide 4, change friction of rolling into, reduce the wearing and tearing to equipment.
In the present embodiment, described inner core 3 inwall is provided with the guide chute I 12 along the ball axis of guide 4 bearing of trend, and described slide block 9 is provided with the projection 13 with guide chute I 12 bearing fit.
In the present embodiment, described spring force control apparatus 10 is self lock nut, described self lock nut and the ball axis of guide 4 screw thread fit.Regulate self lock nut relative to the axial location of the ball axis of guide 4 by turn self lock nut, thus the amount of compression of adjusting slider 9 both sides spring 11, realize the adjustment turning to base value rigidity and input shaft armature 2 center.
In the present embodiment, described spring 11 two ends are provided with spring perch 18, avoid spring 11 in compression and the process of extending directly to the wearing and tearing of slide block 9 and spring force control apparatus 10.Further optimization, is provided with thrust roller bearing 19 between described spring perch 18 and spring force control apparatus 10, can bears the axial load that one direction is larger, and reduces the wearing and tearing to spring force control apparatus 10.
In the present embodiment, described inner core 3 comprises detachable end cap I 20, and described end cap I 20 is threaded with inner core 3 and is sealed and matched with it, and the described ball axis of guide 4 is through end cap I 20.
In the present embodiment, described fixed outer cylinder 1 comprises detachable end cap II 21, and described end cap II 21 is threaded with fixed outer cylinder 1 and is sealed and matched with it, and the described ball axis of guide 4 stretches out from end cap II 21.
Embodiment 2
As shown in Figure 4, as another embodiment of the embodiment of the present invention 1, the described ball axis of guide 4 is provided with screw thread 17 vertically, described slide block 9 and the ball axis of guide 4 screw thread fit.Slide block 9 and the ball axis of guide 4 employ the crank motion form of great-lift angle screw thread, achieve the function that steering handwheel wide-angle turns to.
Embodiment 3
As shown in Figure 5, the invention also discloses another magnetorheology self-reset line-control steering effort positioner, comprise fixed outer cylinder 1, input shaft armature 2 and the ball axis of guide 4;
Be provided with dividing plate 22 in described fixed outer cylinder 1 and fixed outer cylinder 1 inside is divided into chamber I 23 and chamber II 24;
Described input shaft armature 2 one end is positioned at chamber I 23, described input shaft armature 2 other end passes from fixed outer cylinder 1 and is sealed and matched with its rotation, further optimization, described input shaft armature 2 is provided with bearing III 25 and fixed outer cylinder 1 normal-running fit, the described ball axis of guide 4 one end is connected with input shaft armature 2 in fixed outer cylinder 1, the described ball axis of guide 4 other end passes chamber II 24 and stretches out fixed outer cylinder 1, the described ball axis of guide 4 is coaxial with input shaft armature 2, the described ball axis of guide 4 rotates with dividing plate 22 and is sealed and matched, further optimization, described input shaft armature 2 is provided with bearing IV 26 and dividing plate 22 normal-running fit, the described ball axis of guide 4 and fixed outer cylinder 1 normal-running fit,
The ball axis of guide 4 in described chamber II 24 is provided with along the ball axis of guide 4 slide block 9 in axial sliding, described slide block 9 and the ball axis of guide 4 threaded engagement, the described ball axis of guide 4 is positioned at slide block 9 both sides and is provided with the spring force control apparatus 10 moved axially along the ball axis of guide 4, is provided with spring 11 between described slide block 9 and spring force control apparatus 10;
Magnetic flow liquid is filled with in described chamber I 23.
In the present embodiment, the described ball axis of guide 4 is provided with spiral groove II 16 vertically, and described slide block 9 inwall is provided with the carriage with spiral groove II 16 bearing fit; Described carriage comprises the spiral groove I 14 matched with spiral groove II 16, is provided with multiple ball 15 in described spiral groove I 14.In the process that ball 15 rotates at slide block 9, cliding friction original to slide block 9 and the ball axis of guide 4, change friction of rolling into, reduce the wearing and tearing to equipment.
In the present embodiment, described chamber II 24 inwall is provided with the guide chute II 27 along the ball axis of guide 4 bearing of trend, and described slide block 9 is provided with the projection 13 with guide chute II 27 bearing fit.
In the present embodiment, described spring force control apparatus 10 is self lock nut, described self lock nut and the ball axis of guide 4 screw thread fit.Regulate self lock nut relative to the axial location of the ball axis of guide 4 by turn self lock nut, thus the amount of compression of adjusting slider 9 both sides spring 11, realize the adjustment turning to base value rigidity and input shaft armature 2 center.
In the present embodiment, described spring 11 two ends are provided with spring perch 18, avoid spring 11 in compression and the process of extending directly to the wearing and tearing of slide block 9 and spring force control apparatus 10.Further optimization, is provided with thrust roller bearing 19 between described spring perch 18 and spring force control apparatus 10, can bears the axial load that one direction is larger, and reduces the wearing and tearing to spring force control apparatus 10.
In the present embodiment, described fixed outer cylinder 1 comprises detachable end cap II 21, and described end cap II 21 is threaded with fixed outer cylinder 1 and is sealed and matched with it, and the described ball axis of guide 4 stretches out from end cap II 21.
Embodiment 4
As described in Figure 6, as another embodiment of the embodiment of the present invention 3, the described ball axis of guide 4 is provided with screw thread 17 vertically, described slide block 9 and the ball axis of guide 4 screw thread fit.Slide block 9 and the ball axis of guide 4 employ the crank motion form of great-lift angle screw thread, achieve the function that steering handwheel wide-angle turns to.
The present invention in use, inputs certain moment to bearing circle, and when making rotating of steering wheel, input shaft armature 2 can along with rotating certain angle, thus drive the ball axis of guide 4 to rotate indirectly; Slide block 9 passes through the form of screw thread pair or circulating ball kinematic pair with the ball axis of guide 4, makes slide block 9 produce moving axially relative to the ball axis of guide 4, thus compresses the spring 11 of wherein one end, makes slide block 9 be subject to one and sense of motion opposite effect power; When removing the moment on bearing circle, make slide block 9 return to balance position by the application force of spring 11, slide block 9 is got back in balance position process and is with driven input shaft armature 2 to rotate, and bearing circle is just realized back.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although by referring to the preferred embodiments of the present invention, invention has been described, but those of ordinary skill in the art is to be understood that, various change can be made to it in the form and details, and not depart from the spirit and scope of the present invention that appended claims limits.
Claims (8)
1. a magnetorheology self-reset line-control steering effort positioner, is characterized in that: comprise fixed outer cylinder, input shaft armature, the ball axis of guide and be positioned at the inner core of fixed outer cylinder;
Described input shaft armature one end is positioned at fixed outer cylinder, the described input shaft armature other end passes from fixed outer cylinder and is sealed and matched with its rotation, described input shaft armature is positioned at fixed outer cylinder one end and is connected with inner core and is sealed and matched with it, described input shaft armature is coaxial with inner core, input shaft armature in described fixed outer cylinder is circumferentially embedded with excitation coil, and described excitation coil is provided with wire and stretches out fixed outer cylinder by input shaft armature inside;
Described ball axis of guide one end is positioned at inner core, the described ball axis of guide other end passes inner core and passes from fixed outer cylinder, the described ball axis of guide is coaxial with input shaft armature, the described ball axis of guide rotates with inner core and fixed outer cylinder and is sealed and matched respectively, the described ball axis of guide and input shaft armature normal-running fit;
The ball axis of guide in described inner core is provided with along ball axis of guide slide block in axial sliding, described slide block and ball axis of guide threaded engagement, described slide block and inner core normal-running fit, the described ball axis of guide is positioned at slide block both sides and is provided with the spring force control apparatus moved axially along the ball axis of guide, is provided with spring between described slide block and spring force control apparatus; Described fixed outer cylinder and between input shaft armature and inner core gap-fill have magnetic flow liquid.
2. magnetorheology self-reset line-control steering effort positioner according to claim 1, it is characterized in that: the described ball axis of guide is provided with spiral groove II vertically, described slide block inwall is provided with the carriage with spiral groove II bearing fit; Described carriage comprises the spiral groove I matched with spiral groove II, is provided with multiple ball in described spiral groove I.
3. magnetorheology self-reset line-control steering effort positioner according to claim 1, is characterized in that: the described ball axis of guide is provided with screw thread vertically, described slide block and ball axis of guide screw thread fit.
4. magnetorheology self-reset line-control steering effort positioner according to claim 1, is characterized in that: described inner core inwall is provided with the guide chute I along ball axis of guide bearing of trend, and described slide block is provided with the projection with guide chute I bearing fit.
5. magnetorheology self-reset line-control steering effort positioner according to claim 1, is characterized in that: described spring force control apparatus is self lock nut, described self lock nut and ball axis of guide screw thread fit.
6. magnetorheology self-reset line-control steering effort positioner according to claim 1, is characterized in that: described both ends of the spring is provided with spring perch.
7. magnetorheology self-reset line-control steering effort positioner according to claim 1, it is characterized in that: described inner core comprises detachable end cap I, described end cap I is threaded with inner core and is sealed and matched with it, and the described ball axis of guide is through end cap I.
8. according to claim 1 magnetorheology self-reset line-control steering effort positioner, it is characterized in that: described fixed outer cylinder comprises detachable end cap II, described end cap II is threaded with fixed outer cylinder and is sealed and matched with it, and the described ball axis of guide stretches out from end cap II.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310461150.8A CN103465954B (en) | 2013-09-29 | 2013-09-29 | Magnetorheology self-reset line-control steering effort positioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310461150.8A CN103465954B (en) | 2013-09-29 | 2013-09-29 | Magnetorheology self-reset line-control steering effort positioner |
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| Publication Number | Publication Date |
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| CN103465954A CN103465954A (en) | 2013-12-25 |
| CN103465954B true CN103465954B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310461150.8A Expired - Fee Related CN103465954B (en) | 2013-09-29 | 2013-09-29 | Magnetorheology self-reset line-control steering effort positioner |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9156494B2 (en) * | 2013-10-18 | 2015-10-13 | GM Global Technology Operations LLC | Vehicle steering systems |
| CN104858723B (en) * | 2015-05-26 | 2017-08-15 | 浙江师范大学 | Non-magnetic element spirally magnetorheological brush polishing machine |
| CN106969090B (en) * | 2017-04-11 | 2019-05-07 | 重庆大学 | The magnetorheological half active torsional vibration damper integrated with active adjusted based on electromagnetism |
| CN108407887B (en) * | 2018-05-02 | 2019-11-26 | 吉林大学 | Power sense feedback device and application method made from magnetorheological fluid birotor |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2098423U (en) * | 1991-05-16 | 1992-03-11 | 清华大学 | Cycling ball-guiding groove type steering means for automobile |
| DE19539101C1 (en) * | 1995-10-20 | 1997-02-13 | Daimler Benz Ag | Reaction simulator for control device, in particular vehicle steering |
| JP4525283B2 (en) * | 2003-10-21 | 2010-08-18 | 株式会社ジェイテクト | Electric power steering device |
| CN100450852C (en) * | 2005-06-22 | 2009-01-14 | 比亚迪股份有限公司 | Steering mechanism for vehicular drive-by-wire system and its steering drag simulator |
| CN2823083Y (en) * | 2005-08-19 | 2006-10-04 | 比亚迪股份有限公司 | Line transmission steering control device for automobile |
| CN101607571B (en) * | 2009-07-17 | 2011-05-04 | 重庆理工大学 | Auto steering control method and system based on magnetorheological technique |
| CN202368630U (en) * | 2011-11-24 | 2012-08-08 | 东风汽车有限公司 | Steering return device for steering wheel |
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2013
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