CN203255240U - Integrated drive-by-wire independent steering-double-wishbone suspension guiding mechanism system - Google Patents
Integrated drive-by-wire independent steering-double-wishbone suspension guiding mechanism system Download PDFInfo
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- CN203255240U CN203255240U CN 201320089054 CN201320089054U CN203255240U CN 203255240 U CN203255240 U CN 203255240U CN 201320089054 CN201320089054 CN 201320089054 CN 201320089054 U CN201320089054 U CN 201320089054U CN 203255240 U CN203255240 U CN 203255240U
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- stub
- guiding mechanism
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- wheel
- steer motor
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Abstract
The utility model discloses an integrated drive-by-wire independent steering-double-wishbone suspension guiding mechanism system. The integrated drive-by-wire independent steering-double-wishbone suspension guiding mechanism system comprises a vehicle frame, a wheel, a vehicle axle, a main pin, a suspension connecting rod guiding mechanism, a steering motor and a speed reducer, wherein the main pin is of the structure of double main pin bodies, namely, a master main pin body and an auxiliary main pin body, the steering motor and the speed reducer are fixed on the double main pin bodies, and steering torque is amplified through the gear speed reducer to achieve steering of the vehicle wheel. The integrated drive-by-wire independent steering-double-wishbone suspension guiding mechanism system has the advantages that due to the fact that the double-main-pin structure and a gear are adopted to conduct transmission, additional steering force caused by up and down jumping of the vehicle wheel is quietly small and even the additional steering fore is eliminated. The integrated drive-by-wire independent steering-double-wishbone suspension guiding mechanism system has the advantages of being large in angle range of independent steering of the wheel, compact in structure, reliable in work, convenient to assemble and low in cost.
Description
Technical field
The utility model relates to a kind of integrated line traffic control independent steering-double cross arm suspension guiding mechanism system, is specifically related to a kind of line traffic control independent steering gear system that adopts gear transmission and two stub structure, is used for double wishbone suspension.
Background technology
The conventional steering system passes to steered wheel by steering hardware with the handling maneuver of pilot control bearing circle, certain functional relation between interior foreign steamer corner when tie rod linkage guarantees to turn to simultaneously.The line traffic control independent steering system replaces original mechanical connection between bearing circle and the steered wheel with control signal, is controlled independently the handling maneuver of interior foreign steamer by control signal separately.The advantage of line traffic control independent steering system is, by computer controlled, can realize each wheel flutter independent steering, and then improves manoevreability and the road-holding property of automobile.This system mainly by steering wheel assembly, turn to and carry out assembly and master controller forms.Steering wheel assembly converts the intention that turns to of chaufeur to digital signal, passes to master controller; Accept simultaneously the torque signals that master controller is sent here, produce the steering wheel return positive moment, so that road feel information to be provided; Turn to actuating unit to accept the order of master controller, the control steered wheel rotates, and realizes the intention that turns to of chaufeur.
Double cross arm independent suspension is widely used in the modern automobile because of its excellent performance, wire-controlled steering system is applied to this kind suspension will further improves the road-holding property of automobile, forms the technology platform of double wishbone suspension line traffic control independent steering system.Electromechanical integration line traffic control independent steering gear system architecture scheme and control policy thereof are the gordian techniquies that realizes this technology platform.
The utility model proposes a kind of integrated line traffic control independent steering-double cross arm suspension guiding mechanism system, it has, and wheel independent steering angular range is large, compact conformation, reliable operation, advantage easy to assembly, with low cost.
The utility model content
Technical problem to be solved in the utility model is that a kind of integrated line traffic control independent steering-double cross arm suspension guiding mechanism system will be provided, and causedly when making the wheel bob additional turns to enough smallly, even eliminates this additional turning to.
In order to solve above technical matters, the utility model provides a kind of integrated line traffic control independent steering-double cross arm suspension guiding mechanism system, comprise vehicle frame, wheel and axletree, stub, suspension link guiding mechanism and steer motor and retarder, described stub is two stub structure, i.e. stub and secondary stubs; Steer motor and retarder are fixed on two stubs, by gear reducer steering torque are amplified and realize wheel steering.
Described pair of stub structure is that stub two ends and rotating hinge connect firmly, and the secondary stub of the shell of rotating hinge and suspension link guiding mechanism connects firmly, and wherein the degree of freedom of suspension link guiding mechanism is 1, i.e. wheel bob degree of freedom.
Described steer motor and retarder are that steer motor and worm gear reducer form, or are comprised of steer motor and other types gear, such as finishing bevel gear cuter to, fixed axis gear to, planet circular system.
Described steer motor and worm gear reducer, worm gear reducer adopts fan-shaped incomplete mechanism gear mechanism, fan-shaped incomplete worm gear connects firmly on stub, steer motor and secondary stub connect firmly, worm screw and steer motor axle connect firmly, the worm and wheel engagement, and steer motor is slowed down through worm and wormwheel, drive stub and rotate, the band motor car wheel is realized turning to.
Take the worm and wormwheel gear reducer as example, wherein wheel connects with axletree, and axletree and stub connect firmly, and respectively there is respectively a rotating hinge at the stub two ends, and stub is hinged by the secondary stub in rotating hinge and the suspension link guiding mechanism; Respectively there are respectively a ball pivot and Hooke's hinge in the two ends of secondary stub, and namely an end of secondary stub is hinged by ball pivot and connecting rod, and the other end of this connecting rod is hinged by rotating hinge and vehicle frame; The other end of secondary stub is hinged by Hooke's hinge and another root connecting rod, and the other end of this connecting rod is hinged by rotating hinge and vehicle frame.At this moment, train of mechanism has two degree of freedom, that is: one is the rotation along main main pin axis, i.e. wheel steering; Another is the bob of suspension link guiding mechanism, i.e. the bob of wheel.Fan-shaped incomplete worm gear connects firmly on stub, and the steer motor housing connects firmly by steer motor mount pad and secondary stub, and worm screw and steer motor axle connect firmly, wherein, guarantee the worm and wheel engagement, steer motor is slowed down through worm and wormwheel, drive stub and rotate, realize turning to.Because stub and secondary stub are hinged by rotating hinge, between the two when the wheel bob, without relative displacement, thereby, causedly during the wheel bob additionally turn to enough smallly, even eliminate this additional turning to.Chaufeur output steering order is to master controller, and the main controller controls steer motor is rotated, and the worm screw that connects firmly with it drives worm gear, makes wheel produce the action of rotating around stub, realizes turning to.
The beneficial effects of the utility model are:
Causedly when 1) making the wheel bob additional turn to enough smallly, even eliminate this additional turning to, and mechanism design, make with assemble easy;
2) adopt two stub structures, steer motor and secondary stub connect firmly, and export power to stub through dissimilar gear reducers, realize turning to;
3) be applied to four-wheel steering automobile, be convenient to make front and back wheel to adopt identical independent suspension-wheel flutter modular construction, thereby significantly reduce the key components and parts kind, reduce the mass manufacturing cost;
4) have that wheel independent steering angular range is large, compact conformation, reliable operation, advantage easy to assembly, with low cost.
Description of drawings
Fig. 1 is the integrated line traffic control independent steering of the utility model double cross arm suspension guiding mechanism systematic schematic diagram;
Fig. 2 is the enlarged drawing of A section among Fig. 1;
The number in the figure explanation:
0-vehicle frame;
1-wheel and axletree;
101-wheel; 102-axletree;
2-stub;
201-stub; 20A-rotating hinge;
20B-rotating hinge;
3-suspension link mechanism;
301-secondary stub; 302-connecting rod;
303-connecting rod; 30A-Hooke's hinge;
30B-rotating hinge; 30C-ball pivot;
30D-rotating hinge;
4-steer motor and retarder;
401-steer motor; 402-worm gear;
403-worm screw; 404-steer motor mount pad;
405-steer motor mount pad.
The specific embodiment
See also shown in the accompanying drawing, the utility model is further described specifically.
As depicted in figs. 1 and 2, the utility model provides a kind of integrated line traffic control independent steering-double cross arm suspension guiding mechanism system, mainly comprises vehicle frame 0, wheel and axletree 1, stub 2, suspension link guiding mechanism 3 and steer motor and retarder 4.Wherein, wheel and axletree 1 comprise wheel 101 and axletree 102; Stub 2 comprises stub 201 and rotating hinge 20A, 20B; Suspension link guiding mechanism 3 comprises secondary stub 301, connecting rod 302,303, Hooke's hinge 30A, rotating hinge 30B, ball pivot 30C and rotating hinge 30D; Motor and retarder 4 comprise steer motor 401, worm gear 402, worm screw 403, steer motor mount pad 404 and 405.
Wheel 101 connects with axletree 102, axletree 102 connects firmly with stub 201, respectively there is respectively a rotating hinge 20A at stub 201 two ends, the bearing pin of 20B connects firmly, secondary stub 301 in rotating hinge 20A, 20B shell and the suspension link guiding mechanism 3 connects firmly, and namely stub 201 is hinged by the secondary stub 301 in rotating hinge 20A, 20B and the suspension link guiding mechanism 3; Hooke's hinge 30A one end bearing pin and ball pivot 30C housing connect firmly with the top and bottom of secondary stub 301 respectively, and the other end bearing pin of Hooke's hinge 30A and connecting rod 302 1 ends connect firmly, and namely secondary stub 301 is hinged by Hooke's hinge 30A with an end of connecting rod 302; The bearing pin of ball pivot 30C and connecting rod 303 1 ends connect firmly, and namely secondary stub 302 is hinged by ball pivot 30C with an end of connecting rod 303; The housing of the other end of connecting rod 302 and rotating hinge 30B connects firmly, and the bearing pin of rotating hinge 30B and vehicle frame 0 connect firmly, and namely connecting rod 302 is hinged by the other end and the vehicle frame 0 of rotating hinge 30B; The housing of the other end of connecting rod 303 and rotating hinge 30C connects firmly, and the bearing pin of rotating hinge 30C and vehicle frame 0 connect firmly, and namely the other end of connecting rod 303 is hinged by rotating hinge 30C and vehicle frame 0; By mechanism principle figure as can be known, this independent suspension has 1 ball pivot, 1 Hooke's hinge, and 4 rotating hinges, 1 connecting rod sealed joint, then this turns to the degree of freedom of suspension to be by calculating acquisition:
F=3×1+2×1+2×1+1×1-1×6=2
Namely can this suspension system have two degree of freedom, one is the rotation along stub 201 axis, i.e. wheel steering; Another is the bob of suspension link guiding mechanism 3, i.e. the bob of wheel.
The housing of steer motor 401 connects firmly on secondary stub 301 by steer motor mount pad 404 and 405, motor reducer is to adopt worm gear reducer as example, worm screw 403 connects firmly with steer motor 401 axles, fan-shaped incomplete worm gear 402 connects firmly with stub 201, fan-shaped incomplete worm gear 402 and worm screw 403 engagements, because stub 201 and secondary stub 301 are hinged by rotating hinge 20A, 20B, between the two when the wheel bob, without relative displacement, thereby, causedly during the wheel bob additional turn to enough smallly, even eliminate this additional turning to.The power of steer motor 401 is with motor car wheel 101 to rotate around stub 201 after worm gear reducer amplifies, and realizes turning to.
Embodiment of the present utility model is applied to four-wheel steering automobile, available four identical independent suspension-steering modules of structure, wherein, the secondary stub 301 of double cross arm suspension guiding mechanism is retrained by Hooke's hinge 30A, make it not occur to rotate around the axis of secondary stub 301, and stub 201 two ends are hinged by rotating hinge 20A, 20B and secondary stub 301 respectively, and main stub 201 is turned to around its axis; By window type double cross arm suspension guiding mechanism motion analysis and the design software of independent development, as seen its toe-in is changed to zero, shows that additional the turning to fully that the wheel bob produces eliminated.When turning to, the intention that turns to of chaufeur is passed to steer motor 401 by master controller, after the steering torque of steer motor 401 amplifies through gear reducer, makes wheel 101 produce the action of rotating around stub.By turning to the rotary angle transmitter Real-Time Monitoring wheel steering angle on the stub 201 whether to reach anticipated value, the angular errors of wheel flutter is constantly fed back to the controller of servomotor, revise handling maneuver, finally reach the wheel steering angle of expectation, finish handling maneuver.
Claims (4)
1. integrated line traffic control independent steering double cross arm suspension guiding mechanism system, comprise vehicle frame, wheel and axletree, stub, suspension link guiding mechanism and steer motor and retarder, it is characterized in that: described stub is two stub structure, i.e. stub and secondary stubs; Steer motor and retarder are fixed on two stubs, by gear reducer steering torque are amplified and realize wheel steering.
2. integrated line traffic control independent steering double cross arm suspension guiding mechanism according to claim 1 system, it is characterized in that: described pair of stub structure, that stub two ends and rotating hinge connect firmly, the secondary stub of the shell of rotating hinge and suspension link guiding mechanism connects firmly, wherein the degree of freedom of suspension link guiding mechanism is 1, i.e. wheel bob degree of freedom.
3. integrated line traffic control independent steering double cross arm suspension guiding mechanism according to claim 1 system, it is characterized in that: described steer motor and retarder are that steer motor and worm gear reducer form.
4. integrated line traffic control independent steering double cross arm suspension guiding mechanism according to claim 3 system, it is characterized in that: described steer motor and worm gear reducer, worm gear reducer adopts fan-shaped incomplete mechanism gear mechanism, fan-shaped incomplete worm gear connects firmly on stub, and steer motor and secondary stub connect firmly, and worm screw and steer motor axle connect firmly, the worm and wheel engagement, steer motor is slowed down through worm and wormwheel, drives stub and rotates, and the band motor car wheel is realized turning to.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089054 CN203255240U (en) | 2013-02-27 | 2013-02-27 | Integrated drive-by-wire independent steering-double-wishbone suspension guiding mechanism system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320089054 CN203255240U (en) | 2013-02-27 | 2013-02-27 | Integrated drive-by-wire independent steering-double-wishbone suspension guiding mechanism system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203255240U true CN203255240U (en) | 2013-10-30 |
Family
ID=49467831
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320089054 Expired - Fee Related CN203255240U (en) | 2013-02-27 | 2013-02-27 | Integrated drive-by-wire independent steering-double-wishbone suspension guiding mechanism system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203255240U (en) |
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2013
- 2013-02-27 CN CN 201320089054 patent/CN203255240U/en not_active Expired - Fee Related
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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: 20131030 Termination date: 20160227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |