CN103387003A - Vehicle with steering limitation mechanism and steering control method of vehicle - Google Patents
Vehicle with steering limitation mechanism and steering control method of vehicle Download PDFInfo
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- CN103387003A CN103387003A CN2012101456614A CN201210145661A CN103387003A CN 103387003 A CN103387003 A CN 103387003A CN 2012101456614 A CN2012101456614 A CN 2012101456614A CN 201210145661 A CN201210145661 A CN 201210145661A CN 103387003 A CN103387003 A CN 103387003A
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Abstract
The invention discloses a vehicle. The vehicle comprises a traveling mechanism, a steering mechanism, a steering limitation starting mechanism and a steering limitation mechanism, wherein the steering mechanism controls the forward direction of the traveling mechanism; the steering limitation starting mechanism actuates the steering limitation mechanism to limit the steering of the vehicle in a traveling process. Advantageously, the traveling mechanism comprises left driving wheels and right driving wheels; the steering limitation mechanism controls a steering angle of the traveling mechanism relative to the current forward direction by regulating a rotation speed difference between the driving wheels at two sides.
Description
Technical field
The present invention relates to the control that turns to of vehicle, relate in particular to the control that turns in the Vehicle Driving Cycle process.
Background technology
When operation field travels operation,, if there is the sharply turning that causes due to misoperation, may cause safety misadventure such as the vehicle of combination machine, construction vehicle etc.For example, for combination machine, utilizing horizontal auger carries the process of grain from the granary of reaper to transport vehicle, car body turn to suddenly the significantly teeter that may cause horizontal auger unexpected.
In addition, in the situation that needs operation vehicle is carried out, turn to by a small margin to meet the precision of operation, the too sensitivity that turns to of vehicle causes steering operation to be difficult to reach the precision of expectation on the contrary.
Therefore, there is the demand that steering angle and the steering sensitivity of the vehicle in travelling are controlled.
Summary of the invention
Be intended to overcome or alleviate technical matters of the prior art, proposing the present invention.
According to an aspect of the present invention, proposed a kind of vehicle, having comprised: traveling gear; Steering hardware, the direct of travel of the described traveling gear of control; Turn to the restriction actuating mechanism; And turn to limiting mechanism, wherein, the described restriction actuating mechanism that turns to activates described the turning to of the described vehicle of limiting mechanism in travelling with restriction that turn to.
Advantageously, described traveling gear comprises left side drive wheel and right side drive wheel; The described limiting mechanism that turns to is by the steering angle of the described traveling gear of the poor control of the rotative speed of regulating two side drive wheel with respect to current direct of travel.The described limiting mechanism that turns to is poor by forming propulsive effort between the propulsive effort being delivered to left side drive wheel and right side drive wheel, the rotative speed of regulating between left side drive wheel and right side drive wheel is poor, in brief, can being applied to propulsive effort on drive wheel by direct adjusting, to form the rotative speed of two side drive wheel poor.In addition, described steering hardware comprises steering clutch, described steering clutch has steering clutch shaft and is separately positioned on two friction linings at steering clutch shaft two ends, the described limiting mechanism that turns to can be by pushing in described two friction linings one and a drive wheel of the correspondence in left side drive wheel and right side drive wheel is applied braking force, poor with the rotative speed of regulating between left side drive wheel and right side drive wheel, in brief, can be applied to the rotative speed that the braking force of two side drive wheel regulates between two side drive wheel by adjusting poor.
Alternatively, described steering hardware comprises the deflecting bar that is connected with bearing circle; The described limiting mechanism that turns to is included in the anglec of rotation device for limiting of setting rotation angle range in the Vehicle Driving Cycle process for described deflecting bar.
Alternatively, described steering hardware comprises the deflecting bar that is connected with bearing circle; The described limiting mechanism that turns to comprises gear cluster, and described deflecting bar is connected with other parts of steering hardware via described gear cluster, and wherein, when turning to the restriction actuating mechanism to activated, described gear cluster is suitable for being switched to lower transmitting ratio from higher transmitting ratio.
Alternatively, described steering hardware comprises the deflecting bar that is connected with bearing circle; The described limiting mechanism that turns to comprises a pair of clamping plate that arrange around deflecting bar, and wherein, when turning to the restriction actuating mechanism to activated, described clamping plate clamp the periphery of described deflecting bar and the rotation of deflecting bar is applied friction drag.
The invention still further relates to a kind of rotating direction control method of vehicle, described vehicle comprises traveling gear, control described traveling gear direct of travel steering hardware and turn to limiting mechanism to what turning to of vehicle limited, described method comprises the steps: in the process of described Vehicle Driving Cycle, utilizes described the turning to of the described vehicle of limiting mechanism restriction in travelling that turn to.
Alternatively, described traveling gear comprises left side drive wheel and right side drive wheel; The step of described " utilizing described the turning to of the limiting mechanism restriction described vehicle in travelling that turn to " comprising: by the steering angle of the described traveling gear of the poor control of the rotative speed of regulating two side drive wheel with respect to current direct of travel.
Alternatively, described steering hardware comprises the deflecting bar that is connected with bearing circle; The step of described " utilizing described the turning to of the limiting mechanism restriction described vehicle in travelling that turn to " comprising: the periphery to described deflecting bar applies the friction force that the damping deflecting bar rotates, or applies the barrier force of the anglec of rotation of restriction deflecting bar.
Alternatively, described steering hardware comprises the deflecting bar that is connected with bearing circle; The described limiting mechanism that turns to comprises gear cluster, described deflecting bar is connected with other parts of steering hardware via described gear cluster, wherein, the step of described " utilizing described the turning to of the limiting mechanism restriction described vehicle in travelling that turn to " can comprise: described gear cluster is switched to lower transmitting ratio from higher transmitting ratio.
Description of drawings
Fig. 1 is about turning to the schematic block diagram of restriction according to of the present invention;
Fig. 2 shows the schematic cross-section of change-speed box, wherein shows steering clutch according to an embodiment of the invention;
Fig. 3 shows the enlarged view of the steering clutch part in Fig. 2;
Fig. 4 shows the subelement decomposition view of the steering clutch in Fig. 2, wherein shows the hydraulic actuating cylinder of shift fork and shift fork;
Fig. 5 shows based on the steering clutch in Fig. 2 and carries out the circuit diagram that turns to restriction;
Fig. 6 shows based on the steering clutch in Fig. 2 and carries out the hydraulic circuit figure that turns to restriction;
Fig. 7 shows the structural representation that turns to limiting mechanism according to another embodiment of the invention;
Fig. 8 shows the structural representation that turns to limiting mechanism according to still a further embodiment.
The specific embodiment
Below describe the embodiment of exemplary of the present invention in detail, the example of embodiment is shown in the drawings, and wherein same or analogous label represents same or analogous element.The embodiment that describes below with reference to accompanying drawing is exemplary, is intended to explain the present invention, and can not be interpreted as limitation of the present invention.
As shown in fig. 1, vehicle according to the invention comprises: traveling gear 10; Steering hardware 20, it controls the direct of travel of described traveling gear 10; Turn to restriction actuating mechanism 30; And turn to limiting mechanism 40, wherein, the described restriction actuating mechanism 30 that turns to activates described the turning to of the described vehicle of limiting mechanism 40 in travelling with restriction that turn to.As optional embodiment, turn to the restriction actuating mechanism 30 can be for being arranged on button or the operating handle on operator's station.
As an optional embodiment, described traveling gear 10 comprises left side drive wheel and right side drive wheel; The described limiting mechanism 40 that turns to passes through to regulate the steering angle of the described traveling gear of the poor control of rotative speed of two side drive wheel with respect to current direct of travel.The drive wheel here can be directly grounded wheel, also can be for being used for driving the driven wheel of other ground engaging component such as crawler belt.
Owing to existing rotative speed poor between drive wheel, like this, in the process of vehicle to run, if the drive wheel rotative speed in left side is very fast, vehicle can be turned towards right side.The rotative speed of the drive wheel by making a side is less than the rotative speed of the drive wheel of opposite side, rather than the drive wheel that makes a side to be in the drive wheel of locking state and opposite side driven, can effectively reduce the situation that occurs sharply turning in the Vehicle Driving Cycle process.Needs are less while departing from current direct of travel, rotative speed is poor can less, and when needs departed from current direct of travel more greatly, rotative speed is poor can be relatively large.Can determine that the rotative speed of two side drive wheel is poor based on the stroke of operating handle.
Described steering hardware comprises steering clutch, described steering clutch has steering clutch shaft and is separately positioned on two friction linings at steering clutch shaft two ends, the described limiting mechanism that turns to can be by pushing in described two friction linings one and a drive wheel of the correspondence in left side drive wheel and right side drive wheel is applied braking force, poor with the rotative speed of regulating between left side drive wheel and right side drive wheel, in brief, can be applied to the rotative speed that the braking force of two side drive wheel regulates between two side drive wheel by adjusting poor.
To describe with concrete example rotative speed how to regulate or set two side drive wheel in the vehicle traveling process poor for 2-6 with reference to the accompanying drawings.
Fig. 2 shows the schematic cross-section of change-speed box 100, and Fig. 3 shows the enlarged view of the steering clutch part in Fig. 2.As shown in Figure 2, change-speed box 100 comprises gearshift part 110, braking during standstill part 120, steering clutch part 130.Two axle drive shafts 60 that are connected with drive wheel 50 are separately positioned on the both sides of change speed gear box 100, and are provided with lazy shaft portion 140 between axle drive shaft and steering clutch part 100.
Referring to Fig. 3, steering clutch part 130 comprises: steering clutch shaft 131; Be arranged on the power input gear 132 of axle 131 midways location; But be arranged on the both sides of gear 132 and two clutch gears 133 that engage with gear 132 on axle 131 with utilizing the spline clutch; Respectively with two two shift forks (only showing in Fig. 3) 134 that clutch gear 133 is corresponding; Be arranged on friction lining 135 and the pressure plate 136 of the end of axle 131, wherein, thereby the rotation of shift fork 134 can cause the pushing friction lining 135 of the pressure plate 136 of correspondence is compressed.Utilize spring 137 pressure plate 136 can be resetted.
As shown in Fig. 2-3, clutch gear 133 meshes with the lazy shaft gear 142 that is arranged on lazy axle 141 respectively, and the rotary actuation of lazy shaft gear 142 is again respectively by driven wheel 61 engagements on an end that is arranged on axle drive shaft 60.
, for above-mentioned steering clutch part 130, when Vehicle Driving Cycle, can push steering clutch part 130 interior pressure plates 136 so that friction lining 135 compresses and the drive wheel corresponding with this friction lining 135 50 produced braking forces.
It is to be noted, steering clutch in Fig. 2-3 is only schematic,, as long as be provided with the friction lining corresponding with drive wheel in steering clutch, just can brake this drive wheel by the compression friction lining poor to form rotative speed between the drive wheel of both sides.
Can be poor by the rotative speed that the compression degree that control pushes the pressure of friction lining 135 or friction lining 135 is controlled or regulated between the drive wheel of both sides.
In addition, the described limiting mechanism that turns to can be poor by forming the poor rotative speed of regulating between left side drive wheel and right side drive wheel of propulsive effort between the propulsive effort being delivered to left side drive wheel and right side drive wheel, in brief, can being applied to propulsive effort on drive wheel by direct adjusting, to form the rotative speed of two side drive wheel poor.
Below with reference to Fig. 4-6, concrete exemplary operational process is described.
Fig. 4 shows the subelement decomposition view of the steering clutch in Fig. 2, wherein shows the hydraulic actuating cylinder 60 of shift fork 134 and shift fork 134.Fig. 5 shows based on the steering clutch in Fig. 2 and carries out the circuit diagram that turns to restriction, has wherein shown the circuit loop LC of restriction left steering and the circuit loop RC of restriction right steering; Fig. 6 shows based on the steering clutch in Fig. 2 and carries out the hydraulic circuit figure that turns to restriction, supply with the hydraulic oil circuit of hydraulic oil when wherein Fig. 6 a shows left steering to hydraulic actuating cylinder 60, supply with the hydraulic oil circuit of hydraulic oil when Fig. 6 b shows right steering to hydraulic actuating cylinder 60.
At first, when the contact 83 that turns to limit switch 31 and expression left steering corresponding to turning to restriction actuating mechanism 30 is connected, electromagnet SOLa energising adhesive on 3-position 4-way solenoid directional control valve 70 (seeing Fig. 6) in the conducting control hydraulic circuit of the circuit loop LC of restriction left steering, thus, as shown in Fig. 6 a, hydraulic oil is fed in the cylinder body 60a of hydraulic actuating cylinder 60, thereby the elastic force that overcomes the spring 60a1 in cylinder body 60a drives piston 60a2 and the piston rod 60a3 be placed in cylinder body 60a, at Fig. 4, moves down.
As shown in Figure 4, the lower end of piston rod 60a3 is connected with the extension 62a1 on sleeve 62a, thus the descending sleeve 62a clickwise that causes of piston rod 60a3., because the end of shift fork 134a is fixedly sleeved in sleeve 62a, thereby driving shift fork 134a, the clickwise of sleeve 62a clockwise rotates.Thereby the rotation of shift fork 134a causes that pressure plate 136 is applied thrust pressure applies the propulsive effort of the drive wheel in braking force or reduction left side to the drive wheel 50 in left side.In the present embodiment, can set the down stroke of piston rod 60a3, the propulsive effort that is applied to drive wheel 50 to regulate braking force that 135 pairs of drive wheels 50 of friction lining apply or adjusting., in the situation that the restriction pole changer shows as operating handle, can determine according to the stroke of operating handle the extension elongation of piston rod.In the situation that engaging gear 133 still meshes with power input gear 132, friction lining 135 is compressed can also make the power output that obtains the left side drive wheel reduce, thereby realize that also two side drive wheel are in different driving rotative speeds, realize thus in the Vehicle Driving Cycle process restriction to the vehicle left steering.
After the cancellation restriction turns to, for example, restriction pole changer 31 in Fig. 5 is returned to midway location, 3-position 4-way solenoid directional control valve 70 in Fig. 6 a is in off state, pressure plate 136 turns back to initial position under the promotion of spring 137, and the spring 60a1 pushing piston 60a2 in hydraulic actuating cylinder 60a turns back to initial position.
Right steering and above-mentioned left steering are similar.At first, the contact 82 of restriction pole changer 31 is connected in Fig. 5, then, the electromagnet SOLb energising adhesive of 3-position 4-way solenoid directional control valve 70, thus, as shown in Fig. 6 b, hydraulic oil is fed in the cylinder body 60b of hydraulic actuating cylinder 60, thereby the elastic force that overcomes the spring 60b1 in cylinder body 60b drives piston 60b2 and the piston rod 60b3 be placed in cylinder body 60b, at Fig. 4, moves down.The lower end of piston rod 60b3 is connected with the extension 62b on sleeve 62b, thus the descending sleeve 62b left-hand revolution that causes of piston rod 60b3., because the end of shift fork 134b is fixedly sleeved in sleeve 62b, thereby driving shift fork 134b, the left-hand revolution of sleeve 62b rotates counterclockwise.Thereby the rotation of shift fork 134b causes that pressure plate 136 is applied thrust pressure applies the propulsive effort of the drive wheel on braking force or reduction right side to the drive wheel 50 in left side.
Restriction of the present invention turns to (little turning to) different from unrestricted turning to (turning to greatly).In little turning to, the overhang less of piston rod, make shift fork 134 engagement between engaging gear 133 and power input gear 132 not disconnected, simultaneously, the propulsive effort that is subject to of the drive wheel of the relative opposite side of propulsive effort that is subject to of the drive wheel of a side reduces and/or makes friction lining be compressed and thinks that corresponding drive wheel 50 applies less braking force.And in turning to greatly, the overhang of piston rod is relatively large, make shift fork 134 that thereby the engagement between engaging gear 133 and power input gear 132 is disconnected and stops that power arrives the transmission of left side axle drive shaft, and friction lining is subject to large compression and make corresponding drive wheel be in the locking state.
The deflecting bar that turns to restriction also can utilize to be connected with bearing circle is realized.That is, steering hardware 20 comprises the deflecting bar 80 that is connected with the bearing circle (not shown); The described limiting mechanism that turns to is included in the anglec of rotation device for limiting of setting rotation angle range in the Vehicle Driving Cycle process for described deflecting bar.
Particularly, as shown in Figure 7, described anglec of rotation device for limiting comprises: be fixed on the brake hoop 81 on deflecting bar 80, the radial outside of described brake hoop 81 is provided with a plurality of blocks 82 that the isogonism intervals is opened, the radially outer edge of described block limits rotate path, limits a holding tank 83 between adjacent blockers; Banking pin 84; And banking pin driver train, thereby thereby be suitable for driving described banking pin, enter the primary importance of described holding tank and withdraw between the second place that rotate path leaves described holding tank and move entering rotate path, during in primary importance, the steering range of described steering hardware is restricted when described banking pin.
Further, as shown in Figure 7, described banking pin driver train is also seen and comprised: Compress Spring 85 is suitable for promoting described banking pin 84 to described primary importance; And drive division 86, be suitable for overcoming the described banking pin of resiliency urged of Compress Spring to the described second place.Drive division 86 can be for applying the magnet coil of application force to banking pin.Also can adopt the structure that is connected with the banking pin direct mechanical to drive banking pin.Advantageously, the end face that being suitable for of the end face of the radially outer edge of described block 82 and described banking pin 84 enters into the end in described holding tank 83 is all level and smooth, even the end face of these permission banking pin 84 contact blocks 82, also easily slide in holding tank when deflecting bar rotates.In figure and the supporting construction of not shown banking pin 84.
Anglec of rotation device for limiting is not limited to the concrete form shown in Fig. 7.For example, it can also be following form: comprise the radially projecting block on the periphery that is arranged on deflecting bar, two ends are provided with the arcuate member of the stop part of radially giving prominence to towards deflecting bar, distance between the two ends of this arcuate member limits the scope that projecting block radially can rotate within it, here, arcuate member can rotate with deflecting bar, and radially projecting block between the stop part of arcuate member, when the needs execution turned to limitation function, the hand of rotation of deflecting bar was located arcuate member relatively.
Also can use in the present invention and turn to limiting mechanism to reduce the sensitivity that described traveling gear turns to based on the rotation amplitude of described deflecting bar.Particularly, in the situation that the described limiting mechanism that turns to is not carried out limitation function, based on an anglec of rotation of described deflecting bar, described traveling gear rotates a steering angle with respect to current direct of travel; In the situation that the described limiting mechanism that turns to is carried out limitation function, based on a described anglec of rotation of described deflecting bar, described traveling gear turns to less than for example 1/2 of a described steering angle with respect to described current direct of travel, and is less, 1/4.Can utilize special gear cluster to realize this purpose.Particularly, according to one embodiment of present invention, described steering hardware can comprise the deflecting bar that is connected with bearing circle; The described limiting mechanism that turns to comprises gear cluster, and described deflecting bar is connected with other parts of steering hardware via described gear cluster, and wherein, when turning to the restriction actuating mechanism to activated, described gear cluster is suitable for being switched to lower transmitting ratio from higher transmitting ratio.Can obtain like this to improve the advantage that turns to precision to control, thus also can prevent racing that unexpected steering operation causes to and the safety problem that may cause.
As shown in Figure 8, described steering hardware can comprise the deflecting bar 80 that is connected with bearing circle; The described limiting mechanism that turns to comprises a pair of clamping plate 90 that arrange around deflecting bar, and wherein, when turning to the restriction actuating mechanism to activated, described clamping plate 90 clamp the periphery of described deflecting bars and the rotation of deflecting bar is applied friction drag.The steering operation that is applied for of friction force provides resistance, thus also can prevent racing that unexpected steering operation causes to and the safety problem that may cause.
According to one embodiment of present invention, as shown in fig. 1, vehicle also can comprise monitor control mechanism M, the gait of march of the described vehicle of described monitor control mechanism M sensing, and when described gait of march, during greater than threshold velocity, forbid that the described restriction actuating mechanism that turns to activates.Faster in situation, this is unlikely to because turn to restriction to make chaufeur can not adopt racing to process the emergency safety problem to operation at the moving velocity of vehicle.
Vehicle in the present invention can be combination machine and construction vehicle.
The invention still further relates to a kind of rotating direction control method of vehicle, described vehicle comprises traveling gear, control described traveling gear direct of travel steering hardware and turn to limiting mechanism to what turning to of vehicle limited, described method comprises the steps: in the process of described Vehicle Driving Cycle, utilizes described the turning to of the described vehicle of limiting mechanism restriction in travelling that turn to.
Alternatively, described traveling gear comprises left side drive wheel and right side drive wheel; The step of described " utilizing described the turning to of the limiting mechanism restriction described vehicle in travelling that turn to " comprising: by the steering angle of the described traveling gear of the poor control of the rotative speed of regulating two side drive wheel with respect to current direct of travel.
Alternatively, described steering hardware comprises the deflecting bar that is connected with bearing circle; The step of described " utilizing described the turning to of the limiting mechanism restriction described vehicle in travelling that turn to " comprising: the periphery to described deflecting bar applies the friction force that the damping deflecting bar rotates, or applies the barrier force of the anglec of rotation of restriction deflecting bar.
Alternatively, described steering hardware comprises the deflecting bar that is connected with bearing circle; The described limiting mechanism that turns to comprises gear cluster, described deflecting bar is connected with other parts of steering hardware via described gear cluster, wherein, the step of described " utilizing described the turning to of the limiting mechanism restriction described vehicle in travelling that turn to " comprising: described gear cluster is switched to lower transmitting ratio from higher transmitting ratio.
, although illustrated and described embodiments of the invention, for the ordinary skill in the art, be appreciated that without departing from the principles and spirit of the present invention and can change these embodiment.Applicable scope of the present invention is limited by claims and equivalent thereof.
Claims (15)
1. vehicle comprises:
Traveling gear;
Steering hardware, the direct of travel of the described traveling gear of control;
Turn to the restriction actuating mechanism; And
Turn to limiting mechanism,
Wherein, the described restriction actuating mechanism that turns to activates described the turning to of the described vehicle of limiting mechanism in travelling with restriction that turn to.
2. vehicle according to claim 1, wherein:
Described traveling gear comprises left side drive wheel and right side drive wheel;
The described limiting mechanism that turns to is by the steering angle of the described traveling gear of the poor control of the rotative speed of regulating two side drive wheel with respect to current direct of travel.
3. vehicle according to claim 2, wherein:
The described limiting mechanism that turns to is poor by forming propulsive effort between the propulsive effort being delivered to left side drive wheel and right side drive wheel, and the rotative speed of regulating between left side drive wheel and right side drive wheel is poor.
4. vehicle according to claim 2, wherein:
Described steering hardware comprises steering clutch, and described steering clutch has steering clutch shaft and is separately positioned on two friction linings at steering clutch shaft two ends,
The described limiting mechanism that turns to is by pushing in described two friction linings one and a drive wheel of the correspondence in left side drive wheel and right side drive wheel is applied braking force, and is poor with the rotative speed of regulating between left side drive wheel and right side drive wheel.
5. vehicle according to claim 1, wherein
Described steering hardware comprises the deflecting bar that is connected with bearing circle;
The described limiting mechanism that turns to is included in the anglec of rotation device for limiting of setting rotation angle range in the Vehicle Driving Cycle process for described deflecting bar.
6. vehicle according to claim 5, wherein:
Described anglec of rotation device for limiting comprises:
Be fixed on the brake hoop on described deflecting bar, the radial outside of described brake hoop is provided with a plurality of blocks that the isogonism intervals is opened, and the radially outer edge of described block limits rotate path, limits holding tank between adjacent blockers;
Banking pin; And
The banking pin driver train, thereby thereby be suitable for driving described banking pin, enter the primary importance of described holding tank and withdraw between the second place that rotate path leaves described holding tank and move entering rotate path, during in primary importance, the steering range of described steering hardware is restricted when described banking pin.
7. vehicle according to claim 6, wherein:
Described banking pin driver train comprises:
Compress Spring, be suitable for promoting described banking pin to described primary importance; And
Drive division, be suitable for overcoming the described banking pin of resiliency urged of Compress Spring to the described second place.
8. vehicle according to claim 1, wherein:
Described steering hardware comprises the deflecting bar that is connected with bearing circle;
The described limiting mechanism that turns to comprises gear cluster, and described deflecting bar is connected with other parts of steering hardware via described gear cluster, and wherein, when turning to the restriction actuating mechanism to activated, described gear cluster is suitable for being switched to lower transmitting ratio from higher transmitting ratio.
9. vehicle according to claim 1, wherein:
Described steering hardware comprises the deflecting bar that is connected with bearing circle;
The described limiting mechanism that turns to comprises a pair of clamping plate that arrange around deflecting bar,
Wherein, turning to the restriction actuating mechanism while activateding, described clamping plate clamp the periphery of described deflecting bar and the rotation of deflecting bar are applied friction drag.
10. vehicle according to claim 1 also comprises:
Monitor control mechanism, the gait of march of the described vehicle of described monitor control mechanism sensing, and when described gait of march, during greater than threshold velocity, forbid that the described restriction actuating mechanism that turns to activates.
11. the described vehicle of any one according to claim 1-10, wherein:
Described vehicle is combination machine or construction vehicle.
12. the rotating direction control method of a vehicle, described vehicle comprise traveling gear, control described traveling gear direct of travel steering hardware and turn to limiting mechanism to what turning to of vehicle limited, described method comprises the steps:
In the process of described Vehicle Driving Cycle, utilize described the turning to of the limiting mechanism restriction described vehicle in travelling that turn to.
13. method according to claim 12, wherein:
Described traveling gear comprises left side drive wheel and right side drive wheel;
The step of described " utilizing described the turning to of the limiting mechanism restriction described vehicle in travelling that turn to " comprising: by the steering angle of the described traveling gear of the poor control of the rotative speed of regulating two side drive wheel with respect to current direct of travel.
14. method according to claim 12, wherein:
Described steering hardware comprises the deflecting bar that is connected with bearing circle;
The step of described " utilizing described the turning to of the limiting mechanism restriction described vehicle in travelling that turn to " comprising: the periphery to described deflecting bar applies the friction force that the damping deflecting bar rotates, or applies the barrier force of the anglec of rotation of restriction deflecting bar.
15. method according to claim 12, wherein:
Described steering hardware comprises the deflecting bar that is connected with bearing circle;
The described limiting mechanism that turns to comprises gear cluster, and described deflecting bar is connected with other parts of steering hardware via described gear cluster,
Wherein, the step of described " utilizing described the turning to of the limiting mechanism restriction described vehicle in travelling that turn to " comprising: described gear cluster is switched to lower transmitting ratio from higher transmitting ratio.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101456614A CN103387003A (en) | 2012-05-10 | 2012-05-10 | Vehicle with steering limitation mechanism and steering control method of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101456614A CN103387003A (en) | 2012-05-10 | 2012-05-10 | Vehicle with steering limitation mechanism and steering control method of vehicle |
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| CN103387003A true CN103387003A (en) | 2013-11-13 |
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| CN2012101456614A Pending CN103387003A (en) | 2012-05-10 | 2012-05-10 | Vehicle with steering limitation mechanism and steering control method of vehicle |
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| US20060006020A1 (en) * | 2004-07-06 | 2006-01-12 | Nissan Motor Co., Ltd. | Vehicle steering control system |
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| US20070256879A1 (en) * | 2004-09-10 | 2007-11-08 | Martin Pieronczyk | Device for Blocking the Steering Shaft of a Motor Vehicle |
| US20110125371A1 (en) * | 2009-11-24 | 2011-05-26 | Guoping Wang | Auto-Steerable Farming System |
| CN201947679U (en) * | 2010-11-25 | 2011-08-31 | 金华职业技术学院 | In-situ steering traveling gearbox for semi-feeding rice and wheat combine harvester |
| CN202011420U (en) * | 2011-04-22 | 2011-10-19 | 南京航空航天大学 | Electric power-assisted steering system with real-time variable transmission ratio |
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2012
- 2012-05-10 CN CN2012101456614A patent/CN103387003A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050209752A1 (en) * | 2004-03-19 | 2005-09-22 | Nissan Motor Co., Ltd. | Steering ratio control system of vehicle |
| US20060006020A1 (en) * | 2004-07-06 | 2006-01-12 | Nissan Motor Co., Ltd. | Vehicle steering control system |
| EP1621448A2 (en) * | 2004-07-06 | 2006-02-01 | Nissan Motor Co., Ltd. | Vehicle steering control system |
| US20070256879A1 (en) * | 2004-09-10 | 2007-11-08 | Martin Pieronczyk | Device for Blocking the Steering Shaft of a Motor Vehicle |
| CN101016059A (en) * | 2006-02-09 | 2007-08-15 | 株式会社电装 | Automobile steering system |
| US20110125371A1 (en) * | 2009-11-24 | 2011-05-26 | Guoping Wang | Auto-Steerable Farming System |
| CN201947679U (en) * | 2010-11-25 | 2011-08-31 | 金华职业技术学院 | In-situ steering traveling gearbox for semi-feeding rice and wheat combine harvester |
| CN202011420U (en) * | 2011-04-22 | 2011-10-19 | 南京航空航天大学 | Electric power-assisted steering system with real-time variable transmission ratio |
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Application publication date: 20131113 |