CN205871718U - Four wheel drive hybrid tractor - Google Patents
Four wheel drive hybrid tractor Download PDFInfo
- Publication number
- CN205871718U CN205871718U CN201620828263.6U CN201620828263U CN205871718U CN 205871718 U CN205871718 U CN 205871718U CN 201620828263 U CN201620828263 U CN 201620828263U CN 205871718 U CN205871718 U CN 205871718U
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- CN
- China
- Prior art keywords
- electromotor
- power
- wheel
- tractor
- output shaft
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Electric Propulsion And Braking For Vehicles (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The utility model discloses a four wheel drive hybrid tractor, including chassis and wheel, the chassis includes oil tank, engine, transfer case, generator, power output shaft, driving motor, electric coupling, storage battery, battery charger and machine controller, and engine and generator are basic power supply, and storage battery is the auxiliary power source, be equipped with the transfer case between engine and motor, but the power of engine is power output shaft and generator respectively through the transfer case provides switch that power and two strands of power of independent control flow with big or small, four driving motor pacify respectively in four wheels and drive four wheels, and the wheel passes through the transmission system transmission with driving motor, the oil tank passes through the oil circuit with the engine to be connected, is mechanical connection between engine and transfer case, transfer case and generator and the power output shaft. The utility model has the advantages of the low emission, application range is wide, and the fault point is few, the ground adhesion is high, and tractive performance is good, and is easy and simple to handle.
Description
Technical field
This utility model relates to a kind of tractor, particularly relates to a kind of mixed-power tractor, belongs to agricultural mechanical technology
Field.
Background technology
For tractor, its effect major embodiment is: agriculturally, for field farming, draws and drives agriculture
Tool carries out farming；In industry and life, draw and transport jumbo；Particularly with some special occasions, such as polar region scientific investigation,
The situation that the road conditions such as snow disaster rescue are severe, as can good conformity road conditions produce transport and the traffic work of enough pull strengths
Tool.At present, tradition tractor many employings diesel engine is as power source, and not only discharge is severe, and consume petroleum resource, and due to it
Pull strength requires higher, usually needs the power conversion device (change speed gear box, secondary transmission device, differential mechanism etc.) of complexity to change
Varying force thus reach job requirement, not only research and development and manufacturing cost are higher, and considerably increase the training of operator
Cost；It addition, tradition tractor uses two-wheel drive mostly, all quality so can not be made to fall above driving wheel, car load
Quality is relatively low for the lifting utilization rate of traction, thus maximum adhesion power is less, makes wheel be easier to produce sliding, from
And have impact on maximum drawbar pull.And tractor is as a kind of towing vehicle, category rather than the friendship of the tool of production should be principally fallen into
The category of logical instrument, therefore some rev-happy engine (such as gas turbine engine) and there is the electromotor of slow-action step response
(such as Stirling engine) is according to circumstances to select, but tradition tractor is mechanically decoupled owing to accomplishing,
Therefore the special electromotor of those external characteristics cannot be used.China is vast in territory, and weather span is big, and landform is enriched, the most no matter from
Agricultural use or other purposes consider, the tractor as hitching machinery should have stronger road conditions adaptation ability with preferable
Hauling ability.
Summary of the invention
Technical problem to be solved in the utility model is the defect existed for prior art, it is provided that one is capable of
Mixed-power tractor mechanically decoupled, that road conditions adaptability is good.
For solving this technical problem, this utility model provides a kind of four-wheel driven hybrid power tractor, the end of including
Dish and wheel, described chassis include fuel tank, electromotor, transfer gear, electromotor, power output shaft, driving motor, electric coupler,
Accumulator battery, battery charger and electric machine controller, described electromotor and electromotor are basic motive source, and accumulator battery is auxiliary
Help power source；Be provided with transfer gear between electromotor and motor, the power of electromotor through transfer gear be respectively power output shaft and
Power electric generators also can independently control switch and the size of two strands of kinetic currents；Four driving motors are separately mounted to four cars
Wheel is interior and drives four wheels respectively, by drive system transmission between wheel and respective driving motor；Described fuel tank is with sending out
Connected by oil circuit between motivation, be machinery between electromotor and transfer gear and transfer gear and electromotor and power output shaft
Connect.
By gear train one transmission between described electromotor and transfer gear, between transfer gear and power output shaft and electromotor
By gear train two transmission.
Described chassis clearance is higher than the centre-height of its wheel, the biography between described wheel and respective driving motor
Dynamic system is to have the frivolous star gear pair of high rotating ratio for a pair.
Described chassis clearance is higher than the centre-height of its wheel, the transmission between its wheel and respective driving motor
System is Friction Type Belt Drive or toothed belt transmission, and Friction Type Belt Drive is made up of bull wheel, steamboat and belt, toothed belt transmission by
Two belt wheels and Timing Belt composition.
Described electric coupler includes commutator and bi-directional electric power electronic converter；The output of electromotor is connected by commutator
To electrical bus, accumulator battery, as the two-way energy, is connected to electrical bus by controlled bi-directional electric power electronic converter, electricity
Power bus is connected to electric machine controller, and driving motor when electromotor, battery charger and regenerative braking all can be to electric power storage
Pond group is charged or is charged to accumulator by electrical network by flush receptacle.
Described electric machine controller relies on c-type two quadrant chopper to control to drive the rotating speed of motor.
Described driving motor is direct current generator, separate excitation or shunt DC machine or series DC machine.
Front steering axle that described tractor also includes adapting to this tractor and corresponding steering gear and track rod.
Beneficial effect: this utility model is by motor and electromotor integration of operation, and wherein motor produces car load pull strength, starts
Machine provides firm electric power for motor and increases the flying power of accumulator battery, and directly driving is positioned at the dynamic of tractor rear
Power output shaft；By accelerator pedal by set of gears linkage and resistance strain gage regulation adjusting velocity by voltage, torque adjustment scope
Extensively；Comparing two wheel driven tractors, in this utility model, the generation of adhesive force is significantly higher for the utilization rate of complete vehicle quality；Phase
Than traditional tractor, decrease the use of change speed gear box, greatly reduce the operation complexity of driver；Compared to there being machine driving
For the tractor participated in, this utility model greatly reduces mechanical loss and the heat loss of energy, and energy utilization rate is high；In addition
The advantages such as this utility model also has low emission, and range is wide, and trouble point is few, can be widely applied to farm work and severe
The four-wheel drive of traction under changeable road conditions, ground tack is high, and hauling ability is good, easy and simple to handle.
Accompanying drawing explanation
Fig. 1 is assembly schematic front view of the present utility model；
Fig. 2 is assembly diagrammatic top view of the present utility model；
Fig. 3 is assembly of the present utility model signal left view；
Fig. 4 is that this utility model hybrid power point drivetrain forms structure chart；
Fig. 5 is control schematic diagram of the present utility model；
Fig. 6 is control flow chart of the present utility model.
In figure: 1 chassis, 2 wheels, 3 fuel tanks, 4 electromotors, 5 transfer gears, 6 electromotors, 7 power output shafts, 8 drive motors,
9 electric coupling devices, 10 accumulator batteries, 11 battery chargers, 12 electric machine controllers, 13 gear train one, 14 gear trains two, 15 pass
Dynamic system, 16 steering spindles, 17 track rods.
Detailed description of the invention
Below in conjunction with the accompanying drawings and this utility model is specifically described by embodiment.
This utility model includes chassis 1 and wheel 2.
Described chassis 1 includes fuel tank 3, electromotor 4, transfer gear 5, electromotor 6, power output shaft 7, drives motor 8, thermocouple
Clutch 9, accumulator battery 10, battery charger 11 and electric machine controller 12, adapt to driving front steering axle of the present utility model；With
And adapt to the chassis layout of this utility model parts and complete vehicle quality distribution and adapt to covering of the present utility model.
Described electromotor 4 and electromotor 6 are basic motive source, and accumulator battery 10 is auxiliary power source.
Being provided with transfer gear 5 between described electromotor 4 and motor 6, the power of electromotor 5 is respectively power through transfer gear 5
Output shaft 7 and electromotor 6 provide power and can independently control switch and the size of two strands of kinetic currents；Due to dimensional problem, connect
Transfer gear the first axle and electromotor and transfer gear the 3rd axle and electromotor are two driving gear set.
In four driving motors 8 are separately mounted to four wheels 2 and respectively four wheels 2 of driving, wheel 2 drives with respective
By drive system 15 transmission between galvanic electricity machine 8.
Described fuel tank 3 is connected by oil circuit with between electromotor 4, electromotor 4 and transfer gear 5 and transfer gear 5 and generating
For being mechanically connected between machine 6 and power output shaft 7.
By gear train 1 transmission between described electromotor 4 and transfer gear 5, transfer gear 5 and power output shaft 7 and generating
By gear train 2 14 transmission between machine 6.
For meeting the requirement of terrain clearance when tractor works, the design of chassis 1 described in the utility model terrain clearance
Higher, its chassis 1 terrain clearance is higher than the centre-height of its wheel 2, the biography between described wheel 2 and respective driving motor 8
Dynamic system 15 is to have the frivolous star gear pair of high rotating ratio for a pair, reduces motor speed, and increases the moment of torsion of motor.
When this mixed-power tractor carries out farming for the soil of relatively " firmly " or drags relatively large load, dilatory for meeting
The requirement of terrain clearance during machine work, described chassis 1 terrain clearance is higher than the centre-height of its wheel 2, for preventing from transshipping feelings
Condition causes motor " to burn out ", and the drive system 15 between its wheel 2 and respective driving motor 8 is Friction Type Belt Drive or synchronization
V belt translation, Friction Type Belt Drive is made up of bull wheel, steamboat and belt, and toothed belt transmission is made up of two belt wheels and Timing Belt.
Front steering axle that described tractor also includes adapting to this tractor and corresponding steering gear 16 and track rod
17。
Fig. 4 show this utility model hybrid power point drivetrain composition structure chart.
Described electric coupler 9 includes commutator and bi-directional electric power electronic converter.
The output of electromotor 6 is connected to electric power (DC) bus by controlled electronic inverter (commutator).
Described electromotor 4 and 6 groups of electromotor are basic motive source, and accumulator battery 10 is auxiliary power source, accumulator battery 10
As the two-way energy, it is connected to electric power (DC) bus by controlled bi-directional electric power electronic converter (DC-DC converter).
Electrical bus is connected to electric machine controller 12, and traction motor is controlled as motor or electromotor, and with just
To or antiport.
Accumulator battery 10 all can be filled by the driving motor 8 when electromotor 6, battery charger 11 and regenerative braking
Electricity.
Battery charger 11 is charged to accumulator by electrical network by flush receptacle.
Power output shaft 7 can regulate rotating speed.
Described driving motor 8 is direct current generator, separate excitation or shunt DC machine or series DC machine.
Main uses according to this mixed-power tractor selects to drive motor, owing to being traction purposes, therefore to traction
The requirement of power is higher, so selecting direct current generator (comparing alternating current generator, direct current generator has higher starting torque)；If this reality
By the novel occasion for paying attention to speed adjusting performance, can be selected for separate excitation or shunt DC machine, can be by regulating the electricity of armature circuit
Resistance controls motor speed；If this utility model is used for big traffic overload or requires the situation of high start torque, can select
Series DC machine.
This utility model uses 4WD power form, it is therefore intended that increases the maximum adhesion power of tractor, thus improves car load
Tack.
This utility model uses four driving motors to drive four wheels respectively in being separately mounted to four wheels, meets and drags
Machine drawing drive system mechanically decoupled, thus there is the rotating speed decoupling of two wheels, drive system of the present utility model is predominantly
The electric system of dynamo-electric similarity, this structure has a similar mechanical differential gear box function, and has and be similar to tradition traction control
Auxiliary anti-slipping function, it is achieved thereby that the function that the rotating speed of each wheel and torque can independently control, can be greatly improved car
Cornering ability, this tractor can be made to have well adapting to property under severe road conditions, thus enormously simplify drivetrain；
Another of employing separated motor driving structure is advantageous in that, solves the problem that when high-power drives, motor size is bigger；Can adopt
Be equal to the motor of four smaller powers of large power, electrically acc power by power summation, its size is the least, it is simple to car load assembling
Layout.
Fig. 5 show control schematic diagram of the present utility model.
Shown electric machine controller, relies primarily on c-type two quadrant chopper, controls to drive motor speed.C-type two quadrant is cut
Motor is controlled by ripple device mainly by the value controlling duty cycle, delta, according toUnderstand, not only by regulation δ
Size control armature supply, it is also possible to by change δ size, regulation δ V-E the positive and negative side controlling armature supply
To, thus control the forward and reverse of motor.
Fig. 6 show control flow chart of the present utility model.
The instruction of power demand be given by driver is met for aiming at of control strategy of the present utility model, and with
Time keep accumulator state-of-charge be high level.Motor/generator group is basic motive source, and accumulator is auxiliary power
Source.The state-of-charge of accumulator high level can ensure that vehicle high-performance at any time.When traction power more than electromotor/
During the power that electromotor can be provided by, accumulator needs to provide a part of power to compensate insufficient section.When traction power is less than
During the power that motor/generator the best movement area can be provided by when running, depend on the state-of-charge of accumulator, if accumulator
State-of-charge less than setting SOC, then motor/generator operates in full load state, drive motor with to electric power storage
Charge in pond；If the state-of-charge of accumulator is in fullcharging electricity condition, then motor/generator provides traction power.During braking,
If during the braking power that braking power can be generated by more than motor, using composite braking pattern, motor produces maximum system
Kinetic power (maximum regenerative brake power), mechanical braking system produces remaining retardation efficiency.When braking power is less than electronic
During the braking power that machine can be generated by, only with braking mode.
This utility model also includes workbench, driver's cabin, protecgulum, bumper, exhaustor, air inlet pipe and taillight, each portion
The rigging position of part is all on its vehicle frame, and Chassis type uses straight frame；The rigging position of all parts is as shown in Figure 1；
The covering design meeting each part dimension uses empirical method design, with reference to the scheme of Dongfanghong X-804 covering, and root
According to the size of each parts at seat lower floor, squab panel, position is waited to carry out changing to adapt to the size of electricity system all parts
Requirement；Protecgulum is changed, with the change adapting to size of engine the visual field of driver expanded；Owing to using
4WD form, wheel drive is mechanically decoupled, and car load chassis can properly increase to adapt to the intertillage operation requirement of relatively high crop.
Operation principle of the present utility model:
Driver passes through stepping on accelerator pedal, and electromotor 4 operates, and its rotating speed is by accelerator pedal control；Power is through travelling gear
Group passes to transfer gear 5, and via transfer gear 5, power is respectively divided into two strands of kinetic currents, and one drives electromotor 6 to generate electricity, and one drives
Power output shaft 7；Driver can engage bar respectively to dynamic by the power output shaft lever and power being located at cab floor
Power output shaft 7 carries out speed governing and controls the most incoming electromotor of power 6；Bar, power drive is engaged when driver hangs up power
Electromotor 6 generates electricity, and electromotor 6 output AC electricity, rectified device becomes unidirectional current；Accumulator battery 10 is according to the control of entire car controller
System carries out discharge and recharge, during discharge and recharge, is connected through dc-dc with vehicle circuitry；Electric current enter electric machine controller 12 from
And electric current is divided to four driving motors 8, by controlling its armature supply by control strategy and circuit rule according to setting respectively
Size control the rotating speed of each wheel 2.
This utility model is by motor and electromotor integration of operation, and wherein motor produces car load pull strength, and electromotor is motor
Firm electric power it is provided and increases the flying power of accumulator battery, and directly driving the power output being positioned at tractor rear
Axle；By accelerator pedal by set of gears linkage and resistance strain gage regulation adjusting velocity by voltage, torque adjustment scope is wide；Compare
Two wheel driven tractors, in this utility model, the generation of adhesive force is significantly higher for the utilization rate of complete vehicle quality；Compare tradition
Tractor, decreases the use of change speed gear box, greatly reduces the operation complexity of driver；Participate in compared to there being machine driving
For tractor, this utility model greatly reduces mechanical loss and the heat loss of energy, and energy utilization rate is high；In addition this reality
The advantages such as also having low emission with novel, range is wide, and trouble point is few, can be widely applied to farm work and the most changeable
The four-wheel drive of traction under road conditions, ground tack is high, and hauling ability is good, easy and simple to handle.
Below announce this utility model with preferred embodiment, so itself and be not used to limit this utility model, all employings etc.
The technical scheme obtained with the mode of replacement or equivalent transformation, all falls within protection domain of the present utility model.
Claims (8)
1. a four-wheel driven hybrid power tractor, including chassis (1) and wheel (2), it is characterised in that: described chassis (1)
Including fuel tank (3), electromotor (4), transfer gear (5), electromotor (6), power output shaft (7), drive motor (8), electric coupler
(9), accumulator battery (10), battery charger (11) and electric machine controller (12), described electromotor (4) and electromotor (6) are
Basic motive source, accumulator battery (10) is auxiliary power source；It is provided with transfer gear (5) between electromotor (4) and electromotor (6), sends out
The power of motivation (4) is respectively power output shaft (7) and electromotor (6) offer power through transfer gear (5) and can independently control two
The switch of stock kinetic current and size；In four driving motors (8) are separately mounted to four wheels (2) and respectively four wheels of driving
(2), by drive system (15) transmission between wheel (2) and respective driving motor (8)；Described fuel tank (3) same to electromotor (4)
Between connected by oil circuit, electromotor (4) and transfer gear (5) and transfer gear (5) and electromotor (6) and power output shaft (7)
Between for be mechanically connected.
Four-wheel driven hybrid power tractor the most according to claim 1, it is characterised in that: described electromotor (4) and point
By gear train one (13) transmission between dynamic device (5), between transfer gear (5) and power output shaft (7) and electromotor (6), pass through tooth
Wheels two (14) transmission.
Four-wheel driven hybrid power tractor the most according to claim 1, it is characterised in that: described chassis (1) liftoff height
Degree is higher than the centre-height of its wheel (2), and the drive system (15) between described wheel (2) and respective driving motor (8) is
There is for a pair the frivolous star gear pair of high rotating ratio.
Four-wheel driven hybrid power tractor the most according to claim 1, it is characterised in that: described chassis (1) liftoff height
Degree is higher than the centre-height of its wheel (2), and the drive system (15) between its wheel (2) and respective driving motor (8) is for rubbing
Wiping type V belt translation or toothed belt transmission, Friction Type Belt Drive is made up of bull wheel, steamboat and belt, and toothed belt transmission is by two bands
Wheel and Timing Belt form.
Four-wheel driven hybrid power tractor the most according to claim 1, it is characterised in that: described electric coupler (9) wraps
Include commutator and bi-directional electric power electronic converter；The output of electromotor (6) is connected to electrical bus, accumulator battery by commutator
(10) as the two-way energy, being connected to electrical bus by controlled bi-directional electric power electronic converter, electrical bus is connected to electricity
Machine controller (12), the driving motor (8) when electromotor (6), battery charger (11) and regenerative braking all can be to electric power storage
Pond group (10) is charged or is charged to accumulator by electrical network by flush receptacle.
Four-wheel driven hybrid power tractor the most according to claim 1, it is characterised in that: described electric machine controller (12)
C-type two quadrant chopper is relied on to control to drive the rotating speed of motor 8.
Four-wheel driven hybrid power tractor the most according to claim 1, it is characterised in that: described driving motor (8) is
Direct current generator, separate excitation or shunt DC machine or series DC machine.
8. according to the four-wheel driven hybrid power tractor described in any one of claim 1-7, it is characterised in that: described tractor
The front steering axle also including adapting to this tractor and corresponding steering gear (16) and track rod (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620828263.6U CN205871718U (en) | 2016-08-02 | 2016-08-02 | Four wheel drive hybrid tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620828263.6U CN205871718U (en) | 2016-08-02 | 2016-08-02 | Four wheel drive hybrid tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205871718U true CN205871718U (en) | 2017-01-11 |
Family
ID=57700735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620828263.6U Expired - Fee Related CN205871718U (en) | 2016-08-02 | 2016-08-02 | Four wheel drive hybrid tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205871718U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080163A (en) * | 2016-08-02 | 2016-11-09 | 宝鸡文理学院 | A kind of four-wheel driven hybrid power tractor |
| CN109823159A (en) * | 2019-03-01 | 2019-05-31 | 丰疆智慧农业股份有限公司 | Distance increasing unit and mixed-power tractor and its application |
| WO2020177303A1 (en) * | 2019-03-01 | 2020-09-10 | 丰疆智能科技股份有限公司 | Range extender, hybrid power tractor and application thereof |
-
2016
- 2016-08-02 CN CN201620828263.6U patent/CN205871718U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106080163A (en) * | 2016-08-02 | 2016-11-09 | 宝鸡文理学院 | A kind of four-wheel driven hybrid power tractor |
| CN106080163B (en) * | 2016-08-02 | 2019-04-02 | 宝鸡文理学院 | A kind of four-wheel driven hybrid power tractor |
| CN109823159A (en) * | 2019-03-01 | 2019-05-31 | 丰疆智慧农业股份有限公司 | Distance increasing unit and mixed-power tractor and its application |
| WO2020177303A1 (en) * | 2019-03-01 | 2020-09-10 | 丰疆智能科技股份有限公司 | Range extender, hybrid power tractor and application thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170111 Termination date: 20190802 |