CN103359164B - For the steering wheel arrangement of steering-by-wire vehicle - Google Patents
For the steering wheel arrangement of steering-by-wire vehicle Download PDFInfo
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- CN103359164B CN103359164B CN201310322202.3A CN201310322202A CN103359164B CN 103359164 B CN103359164 B CN 103359164B CN 201310322202 A CN201310322202 A CN 201310322202A CN 103359164 B CN103359164 B CN 103359164B
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- steering
- fixedly connected
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- positive stop
- driving nut
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Abstract
The invention discloses a kind of steering wheel arrangement for steering-by-wire vehicle, be intended to the anglec of rotation accurately detecting bearing circle, adjustable, suitable road feel can be provided for chaufeur, and mode of operation can be changed under different operating modes, adjustment direction dish completes the rotation number of turns entirely turned to.Imput shaft is fixedly connected by the input shaft of coupler and angular-motion transducer, driving nut coordinates with lead screw shaft transmission to be installed, retracing spring is fixedly connected with driving nut by supporting, electromagnet and driving nut are fixedly connected, iron core and the baffle plate of electromagnet pass through pinned connection, the front and back of stroke baffle are provided with the different groove of length, driving nut and gangbar are fixedly connected, cylinder efficient hydraulic fluid port connects by pipeline is corresponding with the actuator port of proportional throttle valve, is provided with differential pressure transducer between two working oil pipelines of oil cylinder.The present invention is applicable to engineering truck as steering-by-wire bearing circle.
Description
Technical field
The present invention relates to a kind of vehicle steering device, specifically a kind of steering wheel arrangement for steering-by-wire vehicle.
Background technology
The function of steering swivel system is the travel direction of maneuver vehicle, and system should be able to keep vehicle stabilization ground linearly to travel as required, and can change travel direction neatly as requested.To the basic demand of steering swivel system be handle light and flexible, working stability reliable, use economical durable, turning efficiency ensures vehicle safe driving, alleviates the labour intensity of chaufeur, improves the key factor of work production rate.Steering swivel system is the crucial assembly determining vehicle safety and operating efficiency.
Along with the raising of application scenario working condition requirement and the development of current technology, the performance need of wheel steering system improves further, the problem such as solve the steering sensitivity that exists in original steering swivel system and road feel is unadjustable, complex structure, noise are high, for improving turning efficiency, scientific worker is devoted to research steering-by-wire technology.It to be connected by microelectronic technique and each element controlling steering swivel system replaces traditional machinery or hydraulic connecting.Steering-by-wire technology adopts that sensor record driver's turn to data, then by data line by signal transmission to the electric control unit (ECU) on car, after ECU these and other signals comprehensive judge, then control the steering angle of vehicle.Owing to eliminating the mechanical connection between bearing circle and wheel flutter, the various restrictions of conventional steering system are completely free of, therefore make the design of vehicle, assembling greatly simplify, but also can the force transfering characteristic that turns to of free design vehicle and angle transmission characteristic, be the significant innovation of wheel steering system.Particularly on construction machinery and equipment, especially loader is higher to steering system demand, existing main technical scheme installs an all-hydraulic steering gear bottom bearing circle, the flow leading to steering cylinder is controlled by steering wheel rotation, there is many problems in such steering mode, first, because the deflector selected is fixed, also just secure from an end position to the rotation number of turns needed for the bearing circle of another end position when turning to, when carrying out loading operation, need turning to of wide-angle frequently just can finish the work, at this moment the labour intensity of operator is very large.Secondly, chaufeur does not have suitable road feel in driving procedure, operates uncomfortable, again, because all-hydraulic steering gear needs the lower end being arranged on bearing circle, therefore, must pipeline be guided near operator's compartment, this adds increased the noise in the complexity of fitting process and operator's compartment.
Therefore design a kind of steering wheel arrangement for steering-by-wire vehicle to become and be necessary very much, be conducive to the exploitation, the Developing Application that promote wire-controlled steering system.
Summary of the invention
Steering wheel arrangement for steering-by-wire vehicle provided by the invention, accurately can detect the anglec of rotation of bearing circle, adjustable, suitable road feel can be provided for chaufeur, and mode of operation can be changed under different operating modes, adjustment direction dish completes the rotation number of turns entirely turned to.
In order to solve above-mentioned technical matters, the present invention adopts following technical proposals: device forms primarily of primarily of drive bevel gear, stroke baffle, positive stop, block supporting seat, lead screw shaft, driving nut, gangbar, casing, oil cylinder, differential pressure transducer, proportional throttle valve, angular-motion transducer, coupler, Fill valve, fuel tank, driven wheel of differential, imput shaft, electromagnet, retracing spring and bearing circle, described angular-motion transducer is fixedly mounted on casing, the revolving bar of described bearing circle and the upper end of imput shaft are fixedly connected by coupler, the lower end of described imput shaft is fixedly connected by the input shaft of coupler and angular-motion transducer, the axial line of described angular-motion transducer is installed with the axial line of imput shaft is concentric, described imput shaft is arranged on casing by bearing, described drive bevel gear and imput shaft are fixedly connected, described drive bevel gear coordinates with driven wheel of differential engaged transmission installs, described driven wheel of differential is fixedly mounted on the left end of lead screw shaft, the both sides of described lead screw shaft are arranged on casing by bearing, described driving nut coordinates with lead screw shaft transmission to be installed, described driving nut and block supporting seat are fixedly connected, described positive stop is actively connected on block supporting seat by bearing pin, described retracing spring one end and block supporting seat are fixedly connected, the described retracing spring other end and positive stop are fixedly connected, described electromagnet is arranged on block supporting seat, iron core and the positive stop of described electromagnet are actively coupled by bearing pin, described stroke baffle is fixedly mounted on casing, a short groove is provided with on rear side of described stroke baffle, a long recess is provided with on front side of described stroke baffle, the center, short groove length direction of the long recess on front side of described stroke baffle and rear side overlaps, described driving nut and gangbar are fixedly connected, the take-off lever at described gangbar and oil cylinder two ends is fixedly connected, described cylinder efficient hydraulic fluid port connects by pipeline is corresponding with the actuator port of proportional throttle valve, between two working oil pipelines of described oil cylinder, differential pressure transducer is installed.
Described block supporting seat is provided with two backplates and positive stop both sides move with the touch, only allows a positive stop to rotate around bearing pin between two backplates.Two working oil pipelines of described oil cylinder respectively arrange a Fill valve, and the oil inlet of Fill valve connects with fuel tank, and the fuel tank closed is arranged on casing.Described casing is the weldment that both sides, front and back are provided with detachable panelling.Described positive stop is U-shaped fork structure.
Employing the invention has the beneficial effects as follows, the anglec of rotation of bearing circle can be detected exactly, adjustable, suitable road feel can be provided to chaufeur, and mode of operation can be changed under different operating modes, adjustment direction dish completes the rotation number of turns entirely turned to, and has good application value.
Accompanying drawing explanation
Fig. 1 is the front view of the steering wheel arrangement for steering-by-wire vehicle of the present invention;
Fig. 2 is the left view of the steering wheel arrangement for steering-by-wire vehicle of the present invention;
Fig. 3 is the A-A cutaway view of Fig. 1;
Fig. 4 is the B-B cutaway view of Fig. 1.
In figure: drive bevel gear 1 stroke baffle 2 positive stop 3 block supporting seat 4 lead screw shaft 5 driving nut 6 gangbar 7 casing 8 oil cylinder 9 differential pressure transducer 10 proportional throttle valve 11 angular-motion transducer 12 coupler 13 Fill valve 14 fuel tank 15 driven wheel of differential 16 imput shaft 17 electromagnet 18 retracing spring 19 bearing circle 20
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in further detail.
In Fig. 1, Fig. 2, Fig. 3 and Fig. 4, this device forms primarily of drive bevel gear 1, stroke baffle 2, positive stop 3, block supporting seat 4, lead screw shaft 5, driving nut 6, gangbar 7, casing 8, oil cylinder 9, differential pressure transducer 10, proportional throttle valve 11, angular-motion transducer 12, coupler 13, Fill valve 14, fuel tank 15, driven wheel of differential 16, imput shaft 17, electromagnet 18, retracing spring 19 and bearing circle 20, described angular-motion transducer 12 is mounted by means of bolts on casing 8, the revolving bar of described bearing circle 20 and the upper end of imput shaft 17 are fixedly connected by coupler, the lower end of described imput shaft 17 is fixedly connected by the input shaft of coupler 13 with angular-motion transducer 12, the axial line of described angular-motion transducer 12 is installed with the axial line of imput shaft 17 is concentric, described imput shaft 17 is arranged on casing 8 by bearing, described drive bevel gear 1 is fixedly connected by key and shaft end ring with imput shaft 17, described drive bevel gear 1 coordinates with driven wheel of differential 16 engaged transmission installs, described driven wheel of differential 16 is fixedly mounted on the left end of lead screw shaft 5 by key and shaft end ring, the both sides of described lead screw shaft 5 are arranged on casing 8 by bearing, described driving nut 6 coordinates with lead screw shaft 5 transmission to be installed, described driving nut 6 and block supporting seat 4 weld connection, described positive stop 3 is actively connected on block supporting seat 4 by bearing pin, described retracing spring 19 one end and block supporting seat 4 are fixedly connected, described retracing spring 19 other end and positive stop 3 are fixedly connected, described electromagnet 18 is arranged on block supporting seat 4 by bolt, iron core and the positive stop 3 of described electromagnet 18 are actively coupled by bearing pin, described stroke baffle 2 is mounted by means of bolts on casing 8, a short groove is provided with on rear side of described stroke baffle 2, a long recess is provided with on front side of described stroke baffle 2, the center, short groove length direction of the long recess on front side of described stroke baffle 2 and rear side overlaps, described driving nut 6 is bolted with gangbar 7 and connects, described gangbar 7 is fixedly connected with the take-off lever at oil cylinder 9 two ends, described oil cylinder 9 actuator port connects by pipeline is corresponding with the actuator port of proportional throttle valve 11, between described oil cylinder 9 two working oil pipelines, differential pressure transducer 10 is installed.
Described block supporting seat 4 is provided with two backplates and positive stop 3 both sides move with the touch, only allows a positive stop 3 to rotate around bearing pin between two backplates.Two working oil pipelines of described oil cylinder 9 respectively arrange a Fill valve 14, and the oil inlet of Fill valve 14 connects with fuel tank 15, and the fuel tank 15 closed is arranged on casing 8.Described casing 8 is provided with the weldment of detachable panelling for both sides, front and back.Described positive stop 3 is U-shaped fork structure.
When vehicle needs transfer vehicle after an operation field is finished the work, require that vehicle will have higher moving velocity, press walking mode button, the electromagnet 18 pull-core action that is energized overcomes the spring tension of retracing spring 19, positive stop 3 is made to move in the long recess of stroke baffle 2, now vehicle is in normal walking mode, and bearing circle 20 turns to the angle of rotation to be 900 ° entirely.Move lead screw shaft 5 by drive bevel gear 1 and driven wheel of differential 16 engaged transmission mating band when bearing circle 20 rotates to rotate, lead screw shaft 5 drives driving nut 6 side-to-side movement, stroke is controlled by the long recess of stroke baffle 2, when bearing circle 20 forwards full steering position to, long recess one side wall surface that stroke baffle 2 is encountered in the motion under driving nut 6 drives of described positive stop 3 is limited motion, and bearing circle 20 is spacing thus.Described driving nut 6 is fixed by the take-off lever of gangbar 7 with oil cylinder 9, described driving nut 6 motion drives the motion of the take-off lever of oil cylinder 9, the hydraulic oil exported from oil cylinder 9 one actuator ports enters proportional throttle valve 11, another actuator port of oil cylinder 9 is entered again from proportional throttle valve 11 hydraulic oil out, different orifice sizes is opened in the information of road surface instruction that proportional throttle valve 11 comes according to electric control unit transmission, make to produce corresponding difference of pressure between two of oil cylinder 9 actuator ports, the application force that difference of pressure produces thus is applied on bearing circle and produces corresponding dumping force, namely corresponding road feel can be provided to feed back to chaufeur, differential pressure transducer 10 constantly detects the pressure difference value between oil cylinder 9 actuator port and exports electric signal to electric control unit, electric control unit controls the orifice size of resize ratio flow regulating valve 11, and then reach suitable road feel state.When vehicle is driven at operation field, press work pattern button, electromagnet 18 is in off-position, enters in the short groove of stroke baffle 2 at the spring tension effect lower limit block 3 of retracing spring 19, vehicle is in operation walking mode, and bearing circle 20 turns to the angle of rotation to be 180 ° entirely.If positive stop 3 is not in the length range of short groove, can be pressed in tightly on stroke baffle 2 at the spring tension effect lower limit block 3 of retracing spring 19, along with time turn of bearing circle, positive stop 3 enters in short groove under the spring tension effect of retracing spring 19, vehicle is in work pattern, and namely bearing circle 20 turns to the angular transformation of rotation to be 180 ° entirely.Described imput shaft 17 is fixedly connected by the input shaft of coupler 13 with angular-motion transducer 12, described angular-motion transducer 12 detects the corner of bearing circle 20 and exports electric signal to electric control unit, and electric control unit provides control signal control steering cylinder and realizes handling maneuver.When the hydraulic oil in loop reduces, the hydraulic oil that fuel tank is 15 li is come to loop repairing by Fill valve 14.
Can be detected the anglec of rotation of bearing circle exactly by above-mentioned this device visible, provide adjustable, suitable road feel to chaufeur, according to different mode of operations, adjustment direction dish completes the rotation number of turns entirely turned to.
Claims (5)
1. the steering wheel arrangement for steering-by-wire vehicle, it is characterized in that, primarily of drive bevel gear (1), stroke baffle (2), positive stop (3), block supporting seat (4), lead screw shaft (5), driving nut (6), gangbar (7), casing (8), oil cylinder (9), differential pressure transducer (10), proportional throttle valve (11), angular-motion transducer (12), coupler (13), Fill valve (14), fuel tank (15), driven wheel of differential (16), imput shaft (17), electromagnet (18), retracing spring (19) and bearing circle (20) composition, described angular-motion transducer (12) is fixedly mounted on casing (8), the revolving bar of described bearing circle (20) and the upper end of imput shaft (17) are fixedly connected by coupler, the lower end of described imput shaft (17) is fixedly connected by the input shaft of coupler (13) with angular-motion transducer (12), the axial line of described angular-motion transducer (12) is installed with the axial line of imput shaft (17) is concentric, described imput shaft (17) is arranged on casing (8) by bearing, described drive bevel gear (1) and imput shaft (17) are fixedly connected, described drive bevel gear (1) coordinates with driven wheel of differential (16) engaged transmission installs, described driven wheel of differential (16) is fixedly mounted on the left end of lead screw shaft (5), the both sides of described lead screw shaft (5) are arranged on casing (8) by bearing, described driving nut (6) coordinates with lead screw shaft (5) transmission to be installed, described driving nut (6) and block supporting seat (4) are fixedly connected, described positive stop (3) is actively connected on block supporting seat (4) by bearing pin, described retracing spring (19) one end and block supporting seat (4) are fixedly connected, described retracing spring (19) other end and positive stop (3) are fixedly connected, described electromagnet (18) is arranged on block supporting seat (4), iron core and the positive stop (3) of described electromagnet (18) are actively coupled by bearing pin, described stroke baffle (2) is fixedly mounted on casing (8), described stroke baffle (2) rear side is provided with a short groove, described stroke baffle (2) front side is provided with a long recess, the long recess of described stroke baffle (2) front side and the center, short groove length direction of rear side overlap, described driving nut (6) and gangbar (7) are fixedly connected, described gangbar (7) is fixedly connected with the take-off lever at oil cylinder (9) two ends, described oil cylinder (9) actuator port connects by pipeline is corresponding with the actuator port of proportional throttle valve (11), between described oil cylinder (9) two working oil pipelines, differential pressure transducer (10) is installed.
2. the steering wheel arrangement for steering-by-wire vehicle according to claim 1, it is characterized in that: described block supporting seat (4) is provided with two backplates and positive stop (3) both sides move with the touch, only allow positive stop (3) to rotate around bearing pin between two backplates.
3. the steering wheel arrangement for steering-by-wire vehicle according to claim 1, it is characterized in that: two working oil pipelines of described oil cylinder (9) are respectively arranged a Fill valve (14), the oil inlet of Fill valve (14) connects with fuel tank (15), and the fuel tank (15) closed is arranged on casing (8).
4. the steering wheel arrangement for steering-by-wire vehicle according to claim 1, is characterized in that: described casing (8) is provided with the weldment of detachable panelling for both sides, front and back.
5. the steering wheel arrangement for steering-by-wire vehicle according to claim 1, is characterized in that: described positive stop (3) is U-shaped fork structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322202.3A CN103359164B (en) | 2013-07-19 | 2013-07-19 | For the steering wheel arrangement of steering-by-wire vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310322202.3A CN103359164B (en) | 2013-07-19 | 2013-07-19 | For the steering wheel arrangement of steering-by-wire vehicle |
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| Publication Number | Publication Date |
|---|---|
| CN103359164A CN103359164A (en) | 2013-10-23 |
| CN103359164B true CN103359164B (en) | 2015-09-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310322202.3A Expired - Fee Related CN103359164B (en) | 2013-07-19 | 2013-07-19 | For the steering wheel arrangement of steering-by-wire vehicle |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104859710B (en) * | 2015-06-06 | 2017-03-08 | 青岛科技大学 | Loading machine steering-by-wire road feel simulation device |
| CN108425994B (en) * | 2018-05-18 | 2023-06-16 | 山东钢铁股份有限公司 | Gear transmission device of side shielding control unit |
| CN109398477A (en) * | 2018-09-26 | 2019-03-01 | 江苏理工学院 | A kind of engineering mechanical device direction of travel control method and device |
| CN111063232A (en) * | 2019-11-18 | 2020-04-24 | 北方信息控制研究院集团有限公司 | Steering hand wheel transmission device of ship simulator |
| CN115503814B (en) * | 2022-11-18 | 2023-03-24 | 江苏天一航空工业股份有限公司 | Logistics luggage tractor auxiliary steering device and automatic driving steering system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4207719A1 (en) * | 1992-03-11 | 1993-09-16 | Zahnradfabrik Friedrichshafen | Power-assisted steering gear e.g. for high-speed motor vehicles - uses redundant sensors of steering angle in control of hydraulic proportional valves and provision of reaction torque on steering column |
| KR20090127666A (en) * | 2008-06-09 | 2009-12-14 | 현대자동차주식회사 | Apparatus for variabling turn number of steering wheel for steer by wire system |
| CN201685872U (en) * | 2010-05-20 | 2010-12-29 | 湖北唯思凌科装备制造有限公司 | On-line running-in device of rack and pinion type vehicle power steering gear |
| CN103171612A (en) * | 2013-03-07 | 2013-06-26 | 青岛科技大学 | Steer-by-wire vehicle steering wheel limit mechanism |
| CN203345020U (en) * | 2013-07-19 | 2013-12-18 | 青岛科技大学 | Steering wheel device for steer-by-wire vehicles |
-
2013
- 2013-07-19 CN CN201310322202.3A patent/CN103359164B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4207719A1 (en) * | 1992-03-11 | 1993-09-16 | Zahnradfabrik Friedrichshafen | Power-assisted steering gear e.g. for high-speed motor vehicles - uses redundant sensors of steering angle in control of hydraulic proportional valves and provision of reaction torque on steering column |
| KR20090127666A (en) * | 2008-06-09 | 2009-12-14 | 현대자동차주식회사 | Apparatus for variabling turn number of steering wheel for steer by wire system |
| CN201685872U (en) * | 2010-05-20 | 2010-12-29 | 湖北唯思凌科装备制造有限公司 | On-line running-in device of rack and pinion type vehicle power steering gear |
| CN103171612A (en) * | 2013-03-07 | 2013-06-26 | 青岛科技大学 | Steer-by-wire vehicle steering wheel limit mechanism |
| CN203345020U (en) * | 2013-07-19 | 2013-12-18 | 青岛科技大学 | Steering wheel device for steer-by-wire vehicles |
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| Publication number | Publication date |
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| CN103359164A (en) | 2013-10-23 |
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Granted publication date: 20150930 Termination date: 20190719 |