CN106428196A - Vehicle steering device - Google Patents
Vehicle steering device Download PDFInfo
- Publication number
- CN106428196A CN106428196A CN201611007800.1A CN201611007800A CN106428196A CN 106428196 A CN106428196 A CN 106428196A CN 201611007800 A CN201611007800 A CN 201611007800A CN 106428196 A CN106428196 A CN 106428196A
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- China
- Prior art keywords
- drive mechanism
- wheel hub
- vehicle
- motor
- vehicle body
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D5/00—Power-assisted or power-driven steering
- B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
- B62D5/0418—Electric motor acting on road wheel carriers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K17/00—Arrangement or mounting of transmissions in vehicles
- B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
- B60K17/358—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles all driven wheels being steerable
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)
Abstract
The invention discloses a vehicle steering device. The device comprises a wide support and driving mechanisms. The wide support is connected to the middle of a vehicle body through a rotary mechanism. The two ends of the wide support extend to the two sides of a vehicle. The driving mechanisms are installed at the ends of the wide support. Each driving mechanism comprises a hub, a tire, a motor, a speed reducer and a brake. The hubs are installed at the ends of the wide support, the tires are installed on the hubs, the motors and the speed reducers are installed on the hubs, the motors drive the hubs to rotate through the speed reducers, and the hubs drive the tires to rotate. The brakes are installed on the motors and used for braking the motors. The two ends of the wide support are provided with the driving mechanisms respectively, the driving mechanisms at the two ends work independently, the motors of the driving mechanisms drive the hubs and tires to rotate in different directions and/or at different speeds, and accordingly the wide support is made to rotate relative to the vehicle body through the rotary mechanism.
Description
Technical field
The present invention relates to transporting equipment field, more particularly, it relates to the vehicle steering device of oversize vehicle.
Background technology
Common vehicle steering device to be realized by machinery or the actuator of hydraulic pressure, by holding of machinery or hydraulic pressure
Row mechanism driving slew gear so that the suspension that is arranged on slew gear turns to so that the travel direction of vehicle is sent out
Raw change.
For the oversize vehicle of such as engineering truck, car body is huge and weight is very big, therefore passes through machinery or liquid
Pressure actuator is driving the speed of slew gear slower, and because car body weight is very big, needs wheel to be in rolling condition
Just can complete to turn to, because weight leads to the excessive steering making wheel of frictional force very difficult during wheel stationary.This results in
The radius of turn of oversize vehicle greatly it is impossible to realize minor-circle turn, less enables pivot stud very.
In space growing tension, in the case of needing to improve space efficiency utilization, oversize vehicle needs to take bulk zone
Carry out turning to the defect becoming a highly significant.
Content of the invention
The present invention proposes a kind of vehicle steering device, enables to oversize vehicle and can carry out small radius steering.
According to one embodiment of the invention, a kind of vehicle steering device is proposed, including：
Wide support, wide support is connected to the centre position of vehicle body by slew gear, and the two ends of wide support extend to
Two side positions of vehicle；
Drive mechanism, drive mechanism is arranged on the end of wide support, and drive mechanism includes：
Wheel hub, wheel hub is arranged on the end of wide support；
Tire, tire is arranged on wheel hub；
Motor and decelerator, motor and decelerator are arranged on wheel hub, and motor is turned by decelerator drive hub
Dynamic, wheel hub drives tyre rotation；
Brake, brake is arranged on motor, and brake acts on motor and is braked；
The two ends of wide support each have drive mechanism, and the drive mechanism positioned at two ends works independently, each drive mechanism
The respective wheel hub of motor-driven and tire in different directions and/or friction speed rotates so that wide support passes through turn-around machine
Structure turns to respect to vehicle body.
In one embodiment, turn in vehicle travel process, on steering direction, the drive mechanism of inner side is electronic
The rotating speed of machine is less than the rotating speed of the motor positioned at the superolateral drive mechanism of steering direction.
In one embodiment, vehicle pivot stud, be arranged in the vehicle steering device of vehicle body front end be located at turn
To on direction inner side drive mechanism motor reversely rotate, positioned at the superolateral drive mechanism of steering direction motor just
To rotation.
In one embodiment, vehicle pivot stud, be arranged in the vehicle steering device of vehicle body rear end be located at turn
To on direction, the motor of the drive mechanism of inner side rotates forward, anti-positioned at the motor of the superolateral drive mechanism of steering direction
To rotation.
According to one embodiment of the invention, a kind of vehicle steering device is proposed, including：
Wide support, wide support is connected to the centre position of vehicle body by slew gear, and the two ends of wide support extend to
Two side positions of vehicle；
Drive mechanism, drive mechanism is arranged on the end of wide support, and drive mechanism includes：
Wheel hub, wheel hub is arranged on the end of wide support；
Tire, tire is arranged on wheel hub；
Wheel hub electric motor, wheel hub electric motor is arranged in wheel hub, and wheel hub electric motor directly drives hub rotation, and wheel hub drives
Tyre rotation；
Brake, brake is arranged on wheel hub electric motor, and brake acts on wheel hub electric motor and is braked；
The two ends of wide support each have drive mechanism, and the drive mechanism positioned at two ends works independently, each drive mechanism
Wheel hub electric motor drive respective wheel hub and tire in different directions and/or friction speed rotates so that wide support passes through back
Rotation mechanism turns to respect to vehicle body.
In one embodiment, turn in vehicle travel process, the wheel hub of the drive mechanism of inner side on steering direction
The rotating speed of motor is less than the rotating speed of the wheel hub electric motor positioned at the superolateral drive mechanism of steering direction.
In one embodiment, vehicle pivot stud, be arranged in the vehicle steering device of vehicle body front end be located at turn
To on direction, the wheel hub electric motor of the drive mechanism of inner side reversely rotates, positioned at the wheel hub of the superolateral drive mechanism of steering direction
Motor rotates forward.
In one embodiment, vehicle pivot stud, be arranged in the vehicle steering device of vehicle body rear end be located at turn
To on direction, the wheel hub electric motor of the drive mechanism of inner side rotates forward, positioned at the wheel hub of the superolateral drive mechanism of steering direction
Motor reversely rotates.
According to one embodiment of the invention, a kind of vehicle steering device is proposed, including：
Narrow support, narrow support is connected to the side of vehicle body by slew gear, and the two ends of narrow support are respectively positioned on vehicle
Width centrage the same side；
Drive mechanism, drive mechanism is arranged on the end of narrow support, and drive mechanism includes：
Wheel hub, wheel hub is arranged on the end of narrow support；
Tire, tire is arranged on wheel hub；
Motor and decelerator, motor and decelerator are arranged on wheel hub, and motor is turned by decelerator drive hub
Dynamic, wheel hub drives tyre rotation；
Brake, brake is arranged on motor, and brake acts on motor and is braked；
The two ends of narrow support each have drive mechanism, and the drive mechanism positioned at two ends works independently, each drive mechanism
The respective wheel hub of motor-driven and tire in different directions and/or not synchronized
Degree rotates so that narrow support passes through slew gear with respect to vehicle body steering；
The drive mechanism being arranged on the narrow support of the both sides of vehicle body works asynchronously so that being arranged on the two of vehicle body
The narrow support of side passes through slew gear and synchronously turns to respect to vehicle body.
In one embodiment, turn in vehicle travel process, on steering direction, the drive mechanism of inner side is electronic
The rotating speed of machine is less than the rotating speed of the motor positioned at the superolateral drive mechanism of steering direction.
In one embodiment, vehicle pivot stud, be arranged in the vehicle steering device of vehicle body front end be located at turn
To on direction inner side drive mechanism motor reversely rotate, positioned at the superolateral drive mechanism of steering direction motor just
To rotation.
In one embodiment, vehicle pivot stud, be arranged in the vehicle steering device of vehicle body rear end be located at turn
To on direction, the motor of the drive mechanism of inner side rotates forward, anti-positioned at the motor of the superolateral drive mechanism of steering direction
To rotation.
According to one embodiment of the invention, a kind of vehicle steering device is proposed, including：
Narrow support, narrow support is connected to the side of vehicle body by slew gear, and the two ends of narrow support are respectively positioned on vehicle
Width centrage the same side；
Drive mechanism, drive mechanism is arranged on the end of narrow support, and drive mechanism includes：
Wheel hub, wheel hub is arranged on the end of narrow support；
Tire, tire is arranged on wheel hub；
Wheel hub electric motor, wheel hub electric motor is arranged in wheel hub, and wheel hub electric motor directly drives hub rotation, and wheel hub drives
Tyre rotation；
Brake, brake is arranged on wheel hub electric motor, and brake acts on wheel hub electric motor and is braked；
The two ends of narrow support each have drive mechanism, and the drive mechanism positioned at two ends works independently, each drive mechanism
The respective wheel hub of motor-driven and tire in different directions and/or friction speed rotate so that narrow support pass through turn-around machine
Structure turns to respect to vehicle body；
The drive mechanism being arranged on the narrow support of the both sides of vehicle body works asynchronously so that being arranged on the two of vehicle body
The narrow support of side passes through slew gear and synchronously turns to respect to vehicle body.
In one embodiment, turn in vehicle travel process, the wheel hub of the drive mechanism of inner side on steering direction
The rotating speed of motor is less than the rotating speed of the wheel hub electric motor positioned at the superolateral drive mechanism of steering direction.
In one embodiment, vehicle pivot stud, be arranged in the vehicle steering device of vehicle body front end be located at turn
To on direction, the wheel hub electric motor of the drive mechanism of inner side reversely rotates, positioned at the wheel hub of the superolateral drive mechanism of steering direction
Motor rotates forward.
In one embodiment, vehicle pivot stud, be arranged in the vehicle steering device of vehicle body rear end be located at turn
To on direction, the wheel hub electric motor of the drive mechanism of inner side rotates forward, positioned at the wheel hub of the superolateral drive mechanism of steering direction
Motor reversely rotates.
Each wheel hub of the vehicle steering device of the present invention independently drives, and is capable of the not synchronized of each wheel hub and tire
Or do not run in the same direction.Arrange vehicle steering device in conjunction with the front end of vehicle and/or rear end, be capable of the little of oversize vehicle
Radius turns to, or pivot stud.
Brief description
The above and other feature of the present invention, property and advantage are by by description with reference to the accompanying drawings and examples
And become apparent, identical reference represents identical feature all the time in the accompanying drawings, wherein：
Fig. 1 discloses the cross section structure figure of the vehicle steering device according to the first embodiment of the present invention.
Fig. 2 discloses the cross section structure figure of vehicle steering device according to the second embodiment of the present invention.
Fig. 3 discloses the cross section structure figure of vehicle steering device according to the third embodiment of the invention.
Fig. 4 discloses the cross section structure figure of vehicle steering device according to the fourth embodiment of the invention.
Fig. 5 discloses the schematic diagram that the vehicle of the vehicle steering device using the present invention is turned to, and wherein uses
First embodiment or the vehicle steering device of second embodiment.
Fig. 6 discloses the schematic diagram that the vehicle of the vehicle steering device using the present invention is turned to, and wherein uses
3rd embodiment or the vehicle steering device of fourth embodiment.
Specific embodiment
Fig. 1 discloses the cross section structure figure of the vehicle steering device according to the first embodiment of the present invention.First embodiment
Vehicle steering device be used for the relatively small number of engineering truck of wheel count.Slew gear is arranged in the interposition of vehicle body
Put, using the wide support that length is larger.It is disposed with a Train Wheel in every side of vehicle body.With reference to shown in Fig. 1, this vehicle turns
Include to device：Wide support and drive mechanism.
Wide support is connected to the centre position of vehicle body by slew gear 101, and the two ends of wide support extend to vehicle
Two side positions.Drive mechanism is arranged on the end of wide support, and drive mechanism includes：Wheel hub, tire, motor, decelerator and
Brake.Wheel hub is arranged on the end of wide support.In the illustrated embodiment, at the two ends of wide support, one wheel is each installed
Hub 104 and 204.Tire is arranged on wheel hub, and each wheel hub is provided with a tire.Motor and decelerator are arranged on wheel
On hub.In one embodiment, decelerator is arranged in wheel hub, and motor is arranged on wheel hub and is connected with decelerator.Electricity
Motivation is rotated by decelerator drive hub, and wheel hub drives tyre rotation.Brake is arranged on motor, and brake acts on
Motor is braked.As shown in figure 1, the two ends of wide support each have drive mechanism, each include a set of wheel hub, wheel
Tire, motor, decelerator and brake.In the embodiment shown in fig. 1, the drive mechanism positioned at wide support left-hand end includes taking turns
Hub 104, tire 102, motor 105, decelerator 106 and brake 103.The drive mechanism being located at wide support right-hand end includes taking turns
Hub 204, tire 202, motor 205, decelerator 206 and brake 203.Two sets of drive mechanisms positioned at wide support two ends are independent
Work, the respective wheel hub of motor-driven of each drive mechanism and tire in different directions and/or friction speed rotate so that
Wide support passes through slew gear and turns to respect to vehicle body.
Specifically, for different steering situations, there are several operator schemes as follows：
Turn in vehicle travel process, then each wheel needs to rotate along direction of advance, by the electricity of each drive mechanism
Motivation drives respective wheel hub and tire to rotate to realize turning to friction speed.The drive mechanism of inner side on steering direction
Motor rotating speed be less than positioned at the superolateral drive mechanism of steering direction motor rotating speed.So within the same time
The distance that the wheel in outside passes through is longer than the wheel of inner side, the steering during realizing travelling.
Vehicle pivot stud, is driven by the vehicle steering device being arranged on vehicle body front end and turns to.Positioned at steering direction
The motor of the drive mechanism of upper inner side reversely rotate (make the motor rotation direction that vehicle advances be defined as forward direction so that
The motor rotation direction of vehicle rollback is defined as reversely), positive positioned at the motor of the superolateral drive mechanism of steering direction
Rotation.The wheel on both sides rotates in different directions so that vehicle can complete to turn to minor radius.
Vehicle pivot stud, is driven by the vehicle steering device being arranged on vehicle body rear end and turns to.Positioned at steering direction
The motor of the drive mechanism of upper inner side rotates forward, and the motor positioned at the superolateral drive mechanism of steering direction reversely revolves
Turn.
In one embodiment, the vehicle steering device being arranged on vehicle body front-end and back-end works together, common drive
Dynamic steering.Now, the vehicle steering device being arranged on vehicle body front end adopts following patterns：Inner side on steering direction
The motor of drive mechanism reversely rotates, and the motor positioned at the superolateral drive mechanism of steering direction rotates forward.And install
Vehicle steering device in vehicle body front end adopts following patterns：The motor of the drive mechanism of inner side on steering direction
Rotate forward, the motor positioned at the superolateral drive mechanism of steering direction reversely rotates.The Vehicular turn dress of front-end and back-end
Put the minor radius pivot stud that cooperation realizes vehicle.
Fig. 2 discloses the cross section structure figure of vehicle steering device according to the second embodiment of the present invention.Second embodiment
Vehicle steering device be equally used for the relatively small number of engineering truck of wheel count.Slew gear is arranged in the centre of vehicle body
Position, using the wide support that length is larger.It is disposed with a Train Wheel in every side of vehicle body.Compared with first embodiment,
Second embodiment is different in the use of motor.With reference to shown in Fig. 2, this vehicle steering device includes：Wide support and drive
Motivation structure.
Wide support is connected to the centre position of vehicle body by slew gear 101, and the two ends of wide support extend to vehicle
Two side positions.Drive mechanism is arranged on the end of wide support, and drive mechanism includes：Wheel hub, tire, wheel hub electric motor and braking
Device.Wheel hub is arranged on the end of wide support.In the illustrated embodiment, at the two ends of wide support, one wheel hub is each installed
104 and 204.Tire is arranged on wheel hub, and each wheel hub is provided with a tire.Wheel hub electric motor is arranged in wheel hub,
Wheel hub electric motor directly drives hub rotation, and wheel hub drives tyre rotation.In second embodiment, directly driven by wheel hub electric motor
Hub rotation.Brake is arranged on wheel hub electric motor, and brake acts on wheel hub electric motor and is braked.The two ends of wide support
Each there is drive mechanism, each include a set of wheel hub, tire, wheel hub electric motor and brake.Embodiment shown in Fig. 2
In, include wheel hub 104, tire 102, wheel hub electric motor 107 and brake 103 positioned at the drive mechanism of wide support left-hand end.Position
Drive mechanism in wide support right-hand end includes wheel hub 204, tire 202, wheel hub electric motor 207 and brake 203.Positioned at two ends
Drive mechanism work independently, the wheel hub electric motor of each drive mechanism drive respective wheel hub and tire in different directions and/
Or friction speed rotates so that wide support passes through slew gear with respect to vehicle body steering.
Specifically, for different steering situations, there are several operator schemes as follows：
Turn in vehicle travel process, then each wheel needs to rotate along direction of advance, by the electricity of each drive mechanism
Motivation drives respective wheel hub and tire to rotate to realize turning to friction speed.The drive mechanism of inner side on steering direction
Wheel hub electric motor rotating speed be less than positioned at the superolateral drive mechanism of steering direction wheel hub electric motor rotating speed.So same
The distance that in the sample time, the wheel in outside passes through is longer than the wheel of inner side, the steering during realizing travelling.
Vehicle pivot stud, is driven by the vehicle steering device being arranged on vehicle body front end and turns to.Positioned at steering direction
The wheel hub electric motor of the drive mechanism of upper inner side reversely rotate (make the motor rotation direction that vehicle advances be defined as forward direction,
The motor rotation direction making vehicle rollback is defined as reversely), positioned at the wheel hub electricity of the superolateral drive mechanism of steering direction
Motivation rotates forward.The direction that the wheel one on both sides is different rotates so that vehicle can complete to turn to minor radius.
Vehicle pivot stud, is driven by the vehicle steering device being arranged on vehicle body rear end and turns to.Positioned at steering direction
The wheel hub electric motor of the drive mechanism of upper inner side rotates forward, positioned at the wheel hub electric motor of the superolateral drive mechanism of steering direction
Reversely rotate.
In one embodiment, the vehicle steering device being arranged on vehicle body front-end and back-end works together, common drive
Dynamic steering.Now, the vehicle steering device being arranged on vehicle body front end adopts following patterns：Inner side on steering direction
The motor of drive mechanism reversely rotates, and the motor positioned at the superolateral drive mechanism of steering direction rotates forward.And install
Vehicle steering device in vehicle body front end adopts following patterns：The motor of the drive mechanism of inner side on steering direction
Rotate forward, the motor positioned at the superolateral drive mechanism of steering direction reversely rotates.The Vehicular turn dress of front-end and back-end
Put the minor radius pivot stud that cooperation realizes vehicle.
Fig. 3 discloses the cross section structure figure of vehicle steering device according to the third embodiment of the invention.3rd embodiment
Vehicle steering device be used for the relatively large number of engineering truck of wheel count.Two groups of slew gears are arranged in the both sides of vehicle body
Position, using the less narrow support of length.It is disposed with the narrow support of string in every side of vehicle body, narrow support passes through respective
Revolving structure is connected with vehicle body.Each narrow support each has a Train Wheel at its two ends.With reference to shown in Fig. 3, this car
Transfer includes：Narrow support and drive mechanism.
Single narrow support is connected to the side of vehicle body by slew gear, and the two ends of single narrow support are respectively positioned on car
Width centrage the same side.Drive mechanism is arranged on the end of narrow support, and drive mechanism includes：Wheel hub, tire,
Motor, decelerator and brake.Wheel hub is arranged on the end of narrow support.In the illustrated embodiment, in each narrow support
Two ends are each provided with a wheel hub.Tire is arranged on wheel hub.One tire is provided with each wheel hub.Motor and subtracting
Fast device is arranged on wheel hub.In one embodiment, decelerator is arranged in wheel hub, motor be arranged on wheel hub and with deceleration
Device is connected.Motor is rotated by decelerator drive hub, and wheel hub drives tyre rotation.Brake is arranged on motor,
Brake acts on motor and is braked, as shown in figure 3, the two ends of narrow support each have drive mechanism, each includes
A set of wheel hub, tire, motor, decelerator and brake.In the both sides of vehicle body, then a narrow support is each installed.
In Fig. 3, the narrow support in left side is connected to the left side of vehicle body by slew gear 101.On the left of narrow support on the left of this
The drive mechanism at end includes wheel hub 104, tire 102, motor 105, decelerator 106 and brake 103.Narrow on the right side of this
The drive mechanism of frame right-hand end includes wheel hub 204, tire 202, motor 205, decelerator 206 and brake 203.Positioned at Fig. 3
The narrow support on middle right side is connected to the left side of vehicle body by slew gear 401.Drive of narrow support left-hand end on the right side of this
Motivation structure includes wheel hub 304, tire 302, motor 305, decelerator 306 and brake 303.On the right side of narrow support on the right side of this
The drive mechanism at end includes wheel hub 404, tire 402, motor 405, decelerator 406 and brake 403.With regard to single narrow support
Speech, drive mechanism autonomous working, the respective wheel hub of motor-driven of each drive mechanism and the tire positioned at narrow support two ends
In different directions and/or friction speed rotate so that narrow support pass through slew gear with respect to vehicle body turn to.With regard to entirety
Speech, the drive mechanism being arranged on the narrow support of the both sides of vehicle body works asynchronously so that being arranged on the both sides of vehicle body
Narrow support passes through slew gear and synchronously turns to respect to vehicle body.
For different steering situations, there are several operator schemes as follows：
Turn in vehicle travel process, then each wheel needs to rotate along direction of advance, by the electricity of each drive mechanism
Motivation drives respective wheel hub and tire to rotate to realize turning to friction speed.The drive mechanism of inner side on steering direction
Motor rotating speed be less than positioned at the superolateral drive mechanism of steering direction motor rotating speed.So within the same time
The distance that the wheel in outside passes through is longer than the wheel of inner side, the steering during realizing travelling.More than the narrow support synchronization of both sides
State mode operation.
Vehicle pivot stud, is driven by the vehicle steering device being arranged on vehicle body front end and turns to.Positioned at steering direction
The motor of the drive mechanism of upper inner side reversely rotate (make the motor rotation direction that vehicle advances be defined as forward direction so that
The motor rotation direction of vehicle rollback is defined as reversely), positive positioned at the motor of the superolateral drive mechanism of steering direction
Rotation.The direction that the wheel one on both sides is different rotates so that vehicle can complete to turn to minor radius.The narrow support of both sides is synchronous
Mode described above is run.
Vehicle pivot stud, is driven by the vehicle steering device being arranged on vehicle body rear end and turns to.Positioned at steering direction
The motor of the drive mechanism of upper inner side rotates forward, and the motor positioned at the superolateral drive mechanism of steering direction reversely revolves
Turn.The narrow support synchronization mode described above of both sides is run.
Fig. 4 discloses the cross section structure figure of vehicle steering device according to the fourth embodiment of the invention.Fourth embodiment
Vehicle steering device be equally used for the relatively large number of engineering truck of wheel count.Two groups of slew gears are arranged in vehicle body
Two side positions, using the less narrow support of length.It is disposed with the narrow support of string in every side of vehicle body, narrow support passes through each
From revolving structure be connected with vehicle body.Each narrow support each has a Train Wheel at its two ends.With 3rd embodiment
Compare, fourth embodiment is different in the use of motor.With reference to shown in Fig. 4, this vehicle steering device includes：Narrow support
And drive mechanism.
Single narrow support is connected to the side of vehicle body by slew gear, and the two ends of single narrow support are respectively positioned on car
Width centrage the same side.Drive mechanism is arranged on the end of narrow support, and drive mechanism includes：Wheel hub, tire,
Wheel hub electric motor and brake.Wheel hub is arranged on the end of narrow support.In the illustrated embodiment, at the two ends of each narrow support
One wheel hub is each installed.Tire is arranged on wheel hub.One tire is provided with each wheel hub.Wheel hub electric motor is installed
In wheel hub.Wheel hub electric motor directly drives hub rotation, and wheel hub drives tyre rotation.Brake is arranged on wheel hub electric motor
On, brake acts on wheel hub electric motor and is braked.As shown in figure 4, the two ends of narrow support each have drive mechanism, that is, respectively
From a set of wheel hub of inclusion, tire, wheel hub electric motor and brake.In the both sides of vehicle body, then each it is provided with one narrow
Frame.In Fig. 4, the narrow support in left side is connected to the left side of vehicle body by slew gear 101.Narrow support on the left of this
The drive mechanism of left-hand end includes wheel hub 104, tire 102, wheel hub electric motor 107 and brake 103.Narrow support on the right side of this
The drive mechanism of right-hand end includes wheel hub 204, tire 202, wheel hub electric motor 207 and brake 203.Right side in Fig. 4
Narrow support is connected to the left side of vehicle body by slew gear 401.Drive mechanism bag of narrow support left-hand end on the right side of this
Include wheel hub 304, tire 302, wheel hub electric motor 307 and brake 303.Drive mechanism bag of narrow support right-hand end on the right side of this
Include wheel hub 404, tire 402, wheel hub electric motor 407 and brake 403.For single narrow support, positioned at the driving machine at two ends
Structure works independently, and in different directions and/or friction speed turns for the respective wheel hub of motor-driven of each drive mechanism and tire
Move so that narrow support passes through slew gear with respect to vehicle body steering.As a complete unit, it is arranged on the both sides of vehicle body
The drive mechanism synchronous working of narrow support is so that the narrow support being arranged on the both sides of vehicle body passes through slew gear with respect to car
Main body synchronously turns to.
For different steering situations, there are several operator schemes as follows：
Turn in vehicle travel process, then each wheel needs to rotate along direction of advance, by the electricity of each drive mechanism
Motivation drives respective wheel hub and tire to rotate to realize turning to friction speed.The drive mechanism of inner side on steering direction
Wheel hub electric motor rotating speed be less than positioned at the superolateral drive mechanism of steering direction wheel hub electric motor rotating speed.So same
The distance that in the sample time, the wheel in outside passes through is longer than the wheel of inner side, the steering during realizing travelling.The narrow support of both sides
Synchronous mode described above is run.
Vehicle pivot stud, is driven by the vehicle steering device being arranged on vehicle body front end and turns to.Positioned at steering direction
The wheel hub electric motor of the drive mechanism of upper inner side reversely rotate (make the motor rotation direction that vehicle advances be defined as forward direction,
The motor rotation direction making vehicle rollback is defined as reversely), positioned at the wheel hub electricity of the superolateral drive mechanism of steering direction
Motivation rotates forward.The direction that the wheel one on both sides is different rotates so that vehicle can complete to turn to minor radius.Both sides narrow
Support synchronization mode described above is run.
Vehicle pivot stud, is driven by the vehicle steering device being arranged on vehicle body rear end and turns to.Positioned at steering direction
The wheel hub electric motor of the drive mechanism of upper inner side rotates forward, positioned at the wheel hub electric motor of the superolateral drive mechanism of steering direction
Reversely rotate.The narrow support synchronization mode described above of both sides is run.
Fig. 5 discloses the schematic diagram that the vehicle of the vehicle steering device using the present invention is turned to, and wherein uses
First embodiment or the vehicle steering device of second embodiment.As shown in figure 5, the direction that vehicle advances is V.Vehicle body
The vehicle steering device tire on the drive wheels 102 and 202 of front end, vehicle steering device tire on the drive wheels 502 He of the rear end of vehicle body
602.When needing to turn to, the vehicle steering device of the vehicle steering device of the front end of vehicle body and the rear end of vehicle body leads to
The change of the rotating speed or rotation direction of crossing respective interior outside tire is realized turning to.
Fig. 6 discloses the schematic diagram that the vehicle of the vehicle steering device using the present invention is turned to, and wherein uses
3rd embodiment or the vehicle steering device of fourth embodiment.As shown in fig. 6, the direction that vehicle advances is V.Vehicle body
The vehicle steering device of front end is two groups, the vehicle steering device tire on the drive wheels 102 and 202 in outside, inner side vehicle steering device
Tire on the drive wheels 302 and 402.The vehicle steering device of the rear end of vehicle body is also two groups, and the vehicle steering device in outside drives
Tire 502 and 602, inner side vehicle steering device tire on the drive wheels 702 and 802.When needing to turn to, the car of the front end of vehicle body
The vehicle steering device of the rear end of transfer and vehicle body is by the rotating speed of respective interior outside tire or rotation direction
Change realize turn to.
Each wheel hub of the vehicle steering device of the present invention independently drives, and is capable of the not synchronized of each wheel hub and tire
Or do not run in the same direction.Arrange vehicle steering device in conjunction with the front end of vehicle and/or rear end, be capable of the little of oversize vehicle
Radius turns to, or pivot stud.
Above-described embodiment is available to be familiar with person in the art to realize or using the present invention, to be familiar with this area
Personnel can make various modifications or change without departing from the present invention in the case of the inventive idea to above-described embodiment, thus this
The protection domain of invention is not limited by above-described embodiment, and should be to meet the inventive features that claims mention
On a large scale.
Claims (16)
1. a kind of vehicle steering device is it is characterised in that include：
Wide support, wide support is connected to the centre position of vehicle body by slew gear, and the two ends of wide support extend to vehicle
Two side positions；
Drive mechanism, drive mechanism is arranged on the end of wide support, and drive mechanism includes：
Wheel hub, wheel hub is arranged on the end of wide support；
Tire, tire is arranged on wheel hub；
Motor and decelerator, motor and decelerator are arranged on wheel hub, and motor is rotated by decelerator drive hub, wheel
Hub drives tyre rotation；
Brake, brake is arranged on motor, and brake acts on motor and is braked；
The two ends of wide support each have drive mechanism, and the drive mechanism positioned at two ends works independently, the electricity of each drive mechanism
Motivation drives respective wheel hub and tire, and in different directions and/or friction speed rotates so that wide support passes through slew gear phase
Vehicle body is turned to.
2. vehicle steering device as claimed in claim 1 is it is characterised in that turn in vehicle travel process, positioned at steering side
The rotating speed of the motor of drive mechanism of inner side is less than turning of the motor positioned at the superolateral drive mechanism of steering direction upwards
Speed.
3. vehicle steering device as claimed in claim 1 is it is characterised in that vehicle pivot stud, before being arranged on vehicle body
The motor being located at the drive mechanism of inner side on steering direction in the vehicle steering device at end reversely rotates, on steering direction
The motor of the drive mechanism in outside rotates forward.
4. vehicle steering device as claimed in claim 1 is it is characterised in that vehicle pivot stud, after being arranged on vehicle body
The motor being located at the drive mechanism of inner side on steering direction in the vehicle steering device at end rotates forward, on steering direction
The motor of the drive mechanism in outside reversely rotates.
5. a kind of vehicle steering device is it is characterised in that include：
Wide support, wide support is connected to the centre position of vehicle body by slew gear, and the two ends of wide support extend to vehicle
Two side positions；
Drive mechanism, drive mechanism is arranged on the end of wide support, and drive mechanism includes：
Wheel hub, wheel hub is arranged on the end of wide support；
Tire, tire is arranged on wheel hub；
Wheel hub electric motor, wheel hub electric motor is arranged in wheel hub, and wheel hub electric motor directly drives hub rotation, and wheel hub drives tire
Rotate；
Brake, brake is arranged on wheel hub electric motor, and brake acts on wheel hub electric motor and is braked；
The two ends of wide support each have drive mechanism, and the drive mechanism positioned at two ends works independently, the wheel of each drive mechanism
In different directions and/or friction speed rotates so that wide support passes through turn-around machine for the respective wheel hub of hub motor-driven and tire
Structure turns to respect to vehicle body.
6. vehicle steering device as claimed in claim 5 is it is characterised in that turn in vehicle travel process, positioned at steering side
The rotating speed of the wheel hub electric motor of drive mechanism of inner side is less than the wheel hub electricity positioned at the superolateral drive mechanism of steering direction upwards
The rotating speed of motivation.
7. vehicle steering device as claimed in claim 5 is it is characterised in that vehicle pivot stud, before being arranged on vehicle body
The wheel hub electric motor being located at the drive mechanism of inner side on steering direction in the vehicle steering device at end reversely rotates, positioned at steering side
Wheel hub electric motor to superolateral drive mechanism rotates forward.
8. vehicle steering device as claimed in claim 5 is it is characterised in that vehicle pivot stud, after being arranged on vehicle body
The wheel hub electric motor being located at the drive mechanism of inner side on steering direction in the vehicle steering device at end rotates forward, positioned at steering side
Reversely rotate to the wheel hub electric motor of superolateral drive mechanism.
9. a kind of vehicle steering device is it is characterised in that include：
Narrow support, narrow support is connected to the side of vehicle body by slew gear, and the two ends of narrow support are respectively positioned on the width of vehicle
The same side of degree direction centrage；
Drive mechanism, drive mechanism is arranged on the end of narrow support, and drive mechanism includes：
Wheel hub, wheel hub is arranged on the end of narrow support；
Tire, tire is arranged on wheel hub；
Motor and decelerator, motor and decelerator are arranged on wheel hub, and motor is rotated by decelerator drive hub, wheel
Hub drives tyre rotation；
Brake, brake is arranged on motor, and brake acts on motor and is braked；
The two ends of narrow support each have drive mechanism, and the drive mechanism positioned at two ends works independently,
The respective wheel hub of motor-driven of each drive mechanism and tire in different directions and/or friction speed rotate so that
Narrow support passes through slew gear and turns to respect to vehicle body；
The drive mechanism being arranged on the narrow support of the both sides of vehicle body works asynchronously so that being arranged on the both sides of vehicle body
Narrow support passes through slew gear and synchronously turns to respect to vehicle body.
10. vehicle steering device as claimed in claim 9 is it is characterised in that turn in vehicle travel process, positioned at steering side
The rotating speed of the motor of drive mechanism of inner side is less than turning of the motor positioned at the superolateral drive mechanism of steering direction upwards
Speed.
11. vehicle steering devices as claimed in claim 9 it is characterised in that vehicle pivot stud, before being arranged on vehicle body
The motor being located at the drive mechanism of inner side on steering direction in the vehicle steering device at end reversely rotates, on steering direction
The motor of the drive mechanism in outside rotates forward.
12. vehicle steering devices as claimed in claim 9 it is characterised in that vehicle pivot stud, after being arranged on vehicle body
The motor being located at the drive mechanism of inner side on steering direction in the vehicle steering device at end rotates forward, on steering direction
The motor of the drive mechanism in outside reversely rotates.
A kind of 13. vehicle steering devices are it is characterised in that include：
Narrow support, narrow support is connected to the side of vehicle body by slew gear, and the two ends of narrow support are respectively positioned on the width of vehicle
The same side of degree direction centrage；
Drive mechanism, drive mechanism is arranged on the end of narrow support, and drive mechanism includes：
Wheel hub, wheel hub is arranged on the end of narrow support；
Tire, tire is arranged on wheel hub；
Wheel hub electric motor, wheel hub electric motor is arranged in wheel hub, and wheel hub electric motor directly drives hub rotation, and wheel hub drives tire
Rotate；
Brake, brake is arranged on wheel hub electric motor, and brake acts on wheel hub electric motor and is braked；
The two ends of narrow support each have drive mechanism, and the drive mechanism positioned at two ends works independently, the electricity of each drive mechanism
Motivation drives respective wheel hub and tire, and in different directions and/or friction speed rotates so that narrow support passes through slew gear phase
Vehicle body is turned to；
The drive mechanism being arranged on the narrow support of the both sides of vehicle body works asynchronously so that being arranged on the both sides of vehicle body
Narrow support passes through slew gear and synchronously turns to respect to vehicle body.
14. vehicle steering devices as claimed in claim 13 are it is characterised in that turn in vehicle travel process, positioned at steering
On direction, the rotating speed of the wheel hub electric motor of drive mechanism of inner side is less than the wheel hub positioned at the superolateral drive mechanism of steering direction
The rotating speed of motor.
15. vehicle steering devices as claimed in claim 13, it is characterised in that vehicle pivot stud, are arranged on vehicle body
The wheel hub electric motor being located at the drive mechanism of inner side on steering direction in the vehicle steering device of front end reversely rotates, positioned at steering
The wheel hub electric motor of the superolateral drive mechanism in direction rotates forward.
16. vehicle steering devices as claimed in claim 13, it is characterised in that vehicle pivot stud, are arranged on vehicle body
The wheel hub electric motor being located at the drive mechanism of inner side on steering direction in the vehicle steering device of rear end rotates forward, positioned at steering
The wheel hub electric motor of the superolateral drive mechanism in direction reversely rotates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611007800.1A CN106428196A (en) | 2016-11-16 | 2016-11-16 | Vehicle steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611007800.1A CN106428196A (en) | 2016-11-16 | 2016-11-16 | Vehicle steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106428196A true CN106428196A (en) | 2017-02-22 |
Family
ID=58208140
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611007800.1A Pending CN106428196A (en) | 2016-11-16 | 2016-11-16 | Vehicle steering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106428196A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107054460A (en) * | 2017-05-08 | 2017-08-18 | 北京蓝卡科技股份有限公司 | A kind of four-wheel differentia steering mechanism and vehicle |
| CN110304136A (en) * | 2019-07-18 | 2019-10-08 | 上海振华重工(集团)股份有限公司 | A kind of the independent electrohydraulic steering system and method for straddle carrier wheel |
| DE102022110682A1 (en) | 2022-05-02 | 2023-11-02 | Goldhofer Aktiengesellschaft | Heavy-duty transport module vehicle, transport vehicle for a plurality of heavy-duty transport module vehicles and receiving section for such a transport vehicle |
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