CN110217088A - A kind of electric tractor coupling power-driven system - Google Patents
A kind of electric tractor coupling power-driven system Download PDFInfo
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- CN110217088A CN110217088A CN201910579944.1A CN201910579944A CN110217088A CN 110217088 A CN110217088 A CN 110217088A CN 201910579944 A CN201910579944 A CN 201910579944A CN 110217088 A CN110217088 A CN 110217088A
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- 230000008878 coupling Effects 0.000 title claims abstract description 25
- 238000010168 coupling process Methods 0.000 title claims abstract description 25
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 25
- 230000009467 reduction Effects 0.000 claims abstract description 334
- 230000005540 biological transmission Effects 0.000 claims abstract description 149
- 230000007246 mechanism Effects 0.000 claims abstract description 24
- 210000000515 tooth Anatomy 0.000 description 107
- 238000000034 method Methods 0.000 description 6
- 238000003971 tillage Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000001419 dependent effect Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 3
- 239000000295 fuel oil Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000000916 dilatatory effect Effects 0.000 description 1
- 238000005183 dynamical system Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000009313 farming Methods 0.000 description 1
Classifications
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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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
-
- 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
- B60K17/02—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of clutch
-
- 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
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
-
- 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
- B60K17/04—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing
- B60K17/16—Arrangement or mounting of transmissions in vehicles characterised by arrangement, location, or kind of gearing of differential gearing
-
- 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
- B60K17/344—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having a transfer gear
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
A kind of electric tractor coupling power-driven system, including preceding driving motor, rear driving motor, preceding bridge clutch, rear bridge clutch, PTO clutch, PTO transmission case, preceding bridge differential box, rear axle differential box, front vehicle wheel and rear wheel, planetary gear power coupling mechanism, front reduction gear case and rear reduction gearbox, preceding driving motor is connected to front reduction gear case input shaft, driving motor is connected to rear reduction box input shaft afterwards, and front reduction gear case driving output shaft is sequentially connected to preceding bridge clutch, preceding bridge differential box and front vehicle wheel；Reduction gearbox driving output shaft is sequentially connected to rear bridge clutch, rear axle differential box and rear wheel afterwards；Front reduction gear case PTO output shaft and rear reduction gearbox PTO output shaft are connected to planetary gear power coupling mechanism, and the output end of planetary gear power coupling mechanism is connected to PTO transmission case by PTO clutch；Forerunner, rear-guard, 4 wheel driven operation changing can be carried out, while farm work slippery conditions can also be effectively reduced.
Description
Technical field
The present invention relates to a kind of electric tractors to couple power-driven system, belongs to electric tractor dynamical system technology neck
Domain.
Background technique
Using fuel oil as the agricultural mechanical field of energy conditions, agricultural machinery including tractor is limited by fuel oil
Many drawbacks of the energy are badly in need of developing a kind of tractor of new energy to meet the needs of agro-farming operation.Currently, having on the market
Using driving motor as the tractor of power source, most of forms using a driving motor, which cannot
Sufficiently large power output is provided, enough to meet the needs of big-powered tractor is to power；And use the electronic of Dual-motors Driving
Tractor, current driving method are that two motors work independently from each other, and a driving wheel, a driving rotary tillage mechanism does not have
In view of the actual needs in different operating conditions, when tractor in certain operating conditions in use, being easy to appear underpower or power
Wasting phenomenon.
Summary of the invention
The present invention provides a kind of electric tractor coupling power-driven system, so that electric tractor energy under different operating conditions
Enough switch different mode, improves the power utilization of motor.
To achieve the above object, the present invention include preceding driving motor, rear driving motor, preceding bridge clutch, rear bridge clutch,
PTO clutch, PTO transmission case, preceding bridge differential box, rear axle differential box, front vehicle wheel and rear wheel further include planetary gear power coupling
It closes mechanism, front reduction gear case and rear reduction gearbox, preceding driving motor and rear driving motor to be mounted in vehicle frame, preceding driving motor is connected to
Front reduction gear case input shaft, rear driving motor is connected to rear reduction box input shaft, before front reduction gear case driving output shaft is sequentially connected to
Bridge clutch, preceding bridge differential box and front vehicle wheel；Reduction gearbox driving output shaft is sequentially connected to rear bridge clutch, rear axle differential box afterwards
And rear wheel；Front reduction gear case PTO output shaft and rear reduction gearbox PTO output shaft are connected to planetary gear power coupling mechanism,
The output end of planetary gear power coupling mechanism is connected to PTO transmission case by PTO clutch.
Preferably, front reduction gear case includes front reduction gear case input shaft, front reduction gear case driving output shaft, front reduction gear case PTO output
Axis, front reduction gear case PTO driving tooth, front reduction gear case top gear driving tooth, front reduction gear case top gear driven tooth, front reduction gear case low or first gear
Driving tooth, front reduction gear case low or first gear driven tooth, the 2nd PTO driven tooth of front reduction gear case, preceding subtract the first PTO driven tooth of front reduction gear case
Fast case top gear clutch, front reduction gear case low or first gear clutch, front reduction gear case PTO output clutch；Front reduction gear case low or first gear master
Movable tooth and front reduction gear case low or first gear driven tooth, which match to merge, is connected to front reduction gear case low or first gear clutch, front reduction gear case top gear master
Movable tooth and front reduction gear case top gear driven tooth, which match to merge, is connected to front reduction gear case top gear clutch, and front reduction gear case PTO is actively
Tooth, the 2nd PTO driven tooth of front reduction gear case and the first PTO driven tooth of front reduction gear case match, the first PTO driven tooth of front reduction gear case with
The 2nd PTO driven tooth of front reduction gear case is connected to front reduction gear case PTO output clutch；Front reduction gear case PTO driving tooth, front reduction gear case are high
Fast shelves driving tooth, front reduction gear case low or first gear driving tooth are connected to front reduction gear case input shaft；Front reduction gear case top gear driven tooth,
Front reduction gear case low or first gear driven tooth is connected to front reduction gear case driving output shaft, and the first PTO driven tooth of front reduction gear case is connected to
Front reduction gear case PTO output shaft.
Preferably, rear reduction gearbox includes rear reduction box input shaft, rear reduction gearbox driving output shaft, rear reduction gearbox PTO output
Axis, rear reduction gearbox PTO driving tooth, rear reduction gearbox top gear driving tooth, rear reduction gearbox top gear driven tooth, rear reduction gearbox low or first gear
Driving tooth, rear reduction gearbox low or first gear driven tooth, the first PTO driven tooth of rear reduction gearbox, the 2nd PTO driven tooth of rear reduction gearbox, after subtract
Fast case top gear clutch, rear reduction gearbox low or first gear clutch, rear reduction gearbox PTO output clutch；Reduction gearbox low or first gear master afterwards
Movable tooth and rear reduction gearbox low or first gear driven tooth, which match to merge, is connected to rear reduction gearbox low or first gear clutch, rear reduction gearbox top gear master
Movable tooth and rear reduction gearbox top gear driven tooth, which match to merge, is connected to rear reduction gearbox top gear clutch, and rear reduction gearbox PTO is actively
Tooth, the 2nd PTO driven tooth of rear reduction gearbox and the first PTO driven tooth of rear reduction gearbox match, rear the first PTO driven tooth of reduction gearbox with
The 2nd PTO driven tooth of reduction gearbox is connected to rear reduction gearbox PTO output clutch afterwards；Reduction gearbox PTO driving tooth, rear reduction gearbox are high afterwards
Fast shelves driving tooth, rear reduction gearbox low or first gear driving tooth are connected to rear reduction box input shaft；Afterwards reduction gearbox top gear driven tooth,
Reduction gearbox low or first gear driven tooth is connected to rear reduction gearbox driving output shaft afterwards, and rear the first PTO driven tooth of reduction gearbox is connected to
Reduction gearbox PTO output shaft afterwards.
Preferably, PTO transmission case include PTO transmission case power shaft, PTO transmission countershaft and PTO transmission case output shaft,
PTO transmission case top gear driving tooth, PTO transmission case top gear driven tooth, PTO transmission case top gear clutch, PTO transmission case are low
Fast shelves driving tooth, PTO transmission case low or first gear clutch, PTO transmission case low or first gear driven tooth, PTO transmission case main transmission driving tooth
With PTO transmission case main transmission driven tooth, PTO transmission case top gear driving tooth, PTO transmission case low or first gear driving tooth are installed on PTO
Transmission case power shaft, PTO transmission case top gear driven tooth, PTO transmission case low or first gear driven tooth, the main transmission of PTO transmission case are actively
Tooth is installed on PTO transmission countershaft, and PTO transmission case main transmission driven tooth is installed on PTO transmission case output shaft；PTO transmission case
Top gear driving tooth merges with the matching of PTO transmission case top gear driven tooth is connected to PTO transmission case top gear clutch, and PTO is passed
Dynamic case low or first gear driving tooth matches to merge with PTO transmission case low or first gear driven tooth is connected to PTO transmission case low or first gear clutch, PTO
Transmission case main transmission driving tooth and PTO transmission case main transmission driven tooth cooperate.
Preferably, planetary gear power coupling mechanism includes sun gear, planetary gear, planet carrier and gear ring, planetary gear engagement
It positions in sun gear with gear ring and by planet carrier, the PTO output shaft of front reduction gear case and rear reduction gearbox is connected to gear ring and too
Sun wheel.
Preferably, the preceding driving motor is connect by ring flange with front reduction gear case；Afterwards driving motor by ring flange with
Reduction gearbox connects afterwards.
Compared with prior art, the present invention can break through the limitation of existing single motor underpower, realize high-power output,
Meet larger power output demand；Such coupling electric machine configuration can realize two kinds of functional forms of electric tractor PTO output, i.e.,
The function of independent PTO and dependent PTO；Meanwhile different agriculture duty requirements can be directed to, carry out forerunner, rear-guard, 4 wheel driven work
Industry conversion, while farm work slippery conditions can also be effectively reduced.
Detailed description of the invention
Fig. 1 is attachment structure schematic diagram of the invention；
Fig. 2 is the structure enlargement diagram of front reduction gear case；
Fig. 3 is the structure enlargement diagram of rear reduction gearbox；
Fig. 4 is the structure enlargement diagram of planetary gear power coupling mechanism；
Fig. 5 is the structure enlargement diagram of PTO transmission case；
In figure: 11, preceding driving motor；12, rear driving motor；21, preceding bridge clutch；22, rear bridge clutch；3, PTO from
Clutch；4, PTO transmission case；41, PTO transmission case power shaft；42, PTO transmission countershaft；43, PTO transmission case output shaft；44,
PTO transmission case top gear driving tooth；45, PTO transmission case top gear driven tooth；46, PTO transmission case top gear clutch；47,
PTO transmission case low or first gear driving tooth；48, PTO transmission case low or first gear clutch；49, PTO transmission case low or first gear driven tooth；410,
PTO transmission case main transmission driving tooth；411, transmission case main transmission driven tooth；51, preceding bridge differential box；52, rear axle differential box；61,
Front vehicle wheel；62, rear wheel；7, planetary gear power coupling mechanism；71, sun gear；72, planetary gear；73, planet carrier；74, tooth
Circle；81, front reduction gear case；811, front reduction gear case input shaft；812, front reduction gear case drives output shaft；813, front reduction gear case PTO is exported
Axis；814, front reduction gear case PTO driving tooth；815, front reduction gear case top gear driving tooth；816, front reduction gear case top gear driven tooth；
817, front reduction gear case low or first gear driving tooth；818, front reduction gear case low or first gear driven tooth；819, the first PTO driven tooth of front reduction gear case；
8110, the 2nd PTO driven tooth 8111 of front reduction gear case, front reduction gear case top gear clutch；8112, front reduction gear case low or first gear clutch
Device；8113, front reduction gear case PTO output clutch；82, rear reduction gearbox；821, rear reduction box input shaft；822, rear reduction gearbox driving
Output shaft；823, rear reduction gearbox PTO output shaft；824, rear reduction gearbox PTO driving tooth；825, rear reduction gearbox top gear driving tooth；
826, rear reduction gearbox top gear driven tooth；827, rear reduction gearbox low or first gear driving tooth；828, rear reduction gearbox low or first gear driven tooth；
829, rear the first PTO driven tooth of reduction gearbox；8210, rear the 2nd PTO driven tooth of reduction gearbox；8211, rear reduction gearbox top gear clutch；
8212, rear reduction gearbox low or first gear clutch；8213, rear reduction gearbox PTO output clutch.
Specific embodiment
Below in conjunction with the accompanying drawings and embodiment the invention will be further described.
As shown in Figure 1, the present invention includes preceding driving motor 11, rear driving motor 12, preceding bridge clutch 21, rear bridge clutch
22, PTO clutch 3, PTO transmission case 4, preceding bridge differential box 51, rear axle differential box 52, front vehicle wheel 61 and rear wheel 62 further include
Planetary gear power coupling mechanism 7, front reduction gear case 81 and rear reduction gearbox 82, preceding driving motor 11 and rear driving motor 12 are mounted on
In vehicle frame, preceding driving motor 11 is connected to front reduction gear case input shaft 811, and rear driving motor is connected to rear reduction box input shaft 821,
Bridge clutch 21, preceding bridge differential box 51 and front vehicle wheel 61 before front reduction gear case driving output shaft 812 is sequentially connected to；Reduction gearbox drives afterwards
Dynamic output shaft 822 is sequentially connected to rear bridge clutch 22, rear axle differential box 52 and rear wheel 62；Front reduction gear case PTO output shaft 813
It is connected to planetary gear power coupling mechanism 7 with rear reduction gearbox PTO output shaft 823, planetary gear power coupling mechanism 7
Output end is connected to PTO transmission case 4 by PTO clutch 3.
Preferably, front reduction gear case includes front reduction gear case input shaft 811, front reduction gear case driving output shaft 812, front reduction gear case
PTO output shaft 813, front reduction gear case PTO driving tooth 814, front reduction gear case top gear driving tooth 815, front reduction gear case top gear are driven
Tooth 816, front reduction gear case low or first gear driving tooth 817, front reduction gear case low or first gear driven tooth 818, the first PTO driven tooth of front reduction gear case
819, the 2nd PTO driven tooth 8110 of front reduction gear case, front reduction gear case top gear clutch 8111, front reduction gear case low or first gear clutch
8112, front reduction gear case PTO output clutch 8113；Front reduction gear case low or first gear driving tooth 817 and front reduction gear case low or first gear driven tooth
818 matchings, which merge, is connected to front reduction gear case low or first gear clutch 8112, and front reduction gear case top gear driving tooth 815 and front reduction gear case are high
Fast shelves driven tooth 816, which matches to merge, is connected to front reduction gear case top gear clutch 8111, and front reduction gear case PTO driving tooth 814 preceding subtracts
Fast the 2nd PTO driven tooth 8110 of case and the first PTO driven tooth 819 of front reduction gear case match, the first PTO driven tooth of front reduction gear case
819 are connected to front reduction gear case PTO output clutch 8113 with the 2nd PTO driven tooth 8110 of front reduction gear case；Front reduction gear case PTO is actively
Tooth 814, front reduction gear case top gear driving tooth 815, front reduction gear case low or first gear driving tooth 817 are connected to front reduction gear case input shaft
811；Front reduction gear case top gear driven tooth 816, front reduction gear case low or first gear driven tooth 818 are connected to the driving output of front reduction gear case
Axis 812, the first PTO driven tooth 819 of front reduction gear case are connected to front reduction gear case PTO output shaft 813.
Preferably, rear reduction gearbox includes rear reduction box input shaft 821, rear reduction gearbox driving output shaft 822, rear reduction gearbox
PTO output shaft 823, rear reduction gearbox PTO driving tooth 824, rear reduction gearbox top gear driving tooth 825, rear reduction gearbox top gear are driven
Tooth 826, rear reduction gearbox low or first gear driving tooth 827, rear reduction gearbox low or first gear driven tooth 828, the first PTO driven tooth of rear reduction gearbox
829, rear the 2nd PTO driven tooth 8210 of reduction gearbox, rear reduction gearbox top gear clutch 8211, rear reduction gearbox low or first gear clutch
8212, rear reduction gearbox PTO output clutch 8213；Reduction gearbox low or first gear driving tooth 827 and rear reduction gearbox low or first gear driven tooth afterwards
828 matchings, which merge, is connected to rear reduction gearbox low or first gear clutch 8211, and rear reduction gearbox top gear driving tooth 825 and rear reduction gearbox are high
Fast shelves driven tooth 826, which matches to merge, is connected to rear reduction gearbox top gear clutch 8212, rear reduction gearbox PTO driving tooth 824, after subtract
Fast the 2nd PTO driven tooth 8210 of case and the first PTO driven tooth 829 of rear reduction gearbox match, rear the first PTO driven tooth of reduction gearbox
829 are connected to rear reduction gearbox PTO output clutch 8213 with rear the 2nd PTO driven tooth 8210 of reduction gearbox；Reduction gearbox PTO active afterwards
Tooth 824, rear reduction gearbox top gear driving tooth 825, rear reduction gearbox low or first gear driving tooth 827 are connected to rear reduction box input shaft
821；Reduction gearbox top gear driven tooth 826, rear reduction gearbox low or first gear driven tooth 828 are connected to rear reduction gearbox driving output afterwards
Axis 822, rear the first PTO driven tooth 829 of reduction gearbox are connected to rear reduction gearbox PTO output shaft 823.
Setting in this way may be implemented PTO autonomous working, top gear output and PTO and work, low or first gear output
And PTO works, low or first gear output PTO does not work, and top gear output PTO does not work five kinds of states.
When PTO works independently: rear reduction gearbox top gear clutch 8211 disconnects, rear reduction gearbox low or first gear clutch 8212
It disconnects, rear reduction gearbox PTO output clutch 8213 combines, power transmission line are as follows: 821 input terminal of rear reduction box input shaft-
The first PTO driven tooth 829 of the 2nd PTO driven tooth 8210 of reduction gearbox-rear reduction gearbox-rear reduction gearbox PTO output clutch afterwards
8213-rear reduction gearbox PTO output shafts 823.
Low or first gear output, while when PTO work, rear reduction gearbox top gear clutch 8211 disconnects, rear reduction gearbox low or first gear
Clutch 8212 combines, rear reduction gearbox PTO output clutch 8213, power transmission line are as follows: rear reduction box input shaft 821 inputs
The first PTO driven tooth 829 of the 2nd PTO driven tooth 8210 of end-rear reduction gearbox-rear reduction gearbox-rear reduction gearbox PTO exports clutch
Device 8213-rear reduction gearbox PTO output shaft 823；821 input terminal of reduction box input shaft-rear reduction gearbox low or first gear clutch afterwards
8212-rear reduction gearbox low or first gear driving tooths 827-rear reduction gearbox low or first gear driven tooth 828-rear reduction gearbox drives output shaft
822。
Top gear output, while when PTO work, rear reduction gearbox top gear clutch 8211 combines, rear reduction gearbox low or first gear
Clutch 8212 disconnects, and rear reduction gearbox PTO output clutch 8213 combines, power transmission line are as follows: rear reduction box input shaft 821
The first PTO driven tooth 829 of the 2nd PTO driven tooth 8210 of the rear reduction gearbox of input terminal-- rear reduction gearbox-rear reduction gearbox PTO output
Clutch 8213-rear reduction gearbox PTO output shaft 823；821 input terminal of reduction box input shaft-rear reduction gearbox top gear active afterwards
Tooth 825-rear reduction gearbox top gear driven tooth 826-rear reduction gearbox top gear clutch 8211-rear reduction gearbox drives output shaft
822。
When low or first gear output PTO does not work, rear reduction gearbox low or first gear clutch 8212 is combined, rear reduction gearbox top gear clutch
Device 8211 disconnects, power transmission line are as follows: 821 input terminal of rear reduction box input shaft-rear reduction gearbox low or first gear clutch 8212-
Reduction gearbox low or first gear driving tooth 827-rear reduction gearbox low or first gear driven tooth 828-rear reduction gearbox drives output shaft 822 afterwards.
When not worked with top gear output PTO, rear reduction gearbox low or first gear clutch 8212 is disconnected, rear reduction gearbox top gear
Clutch 8211 combines, power transmission line are as follows: 821 input terminal of rear reduction box input shaft-rear reduction gearbox top gear driving tooth
825-rear reduction gearbox top gear driven tooths 826-rear reduction gearbox top gear clutch 8211-rear reduction gearbox drives output shaft
822。
The working condition of front reduction gear case 81 is the same as rear reduction gearbox 82.
Preferably, PTO transmission case 4 includes that PTO transmission case power shaft 41, PTO transmission countershaft 42 and PTO transmission case are defeated
Shaft 43, PTO transmission case top gear driving tooth 44, PTO transmission case top gear driven tooth 45, PTO transmission case top gear clutch
46, PTO transmission case low or first gear driving tooths 47, PTO transmission case low or first gear clutch 48, PTO transmission case low or first gear driven tooth 49,
PTO transmission case main transmission driving tooth 410 and PTO transmission case main transmission driven tooth 411, PTO transmission case top gear driving tooth 44,
PTO transmission case low or first gear driving tooth 47 is installed on PTO transmission case power shaft 41, and PTO transmission case top gear driven tooth 45, PTO are passed
Dynamic case low or first gear driven tooth 49, PTO transmission case main transmission driving tooth 410 are installed on PTO transmission countershaft 42, PTO transmission case
Main transmission driven tooth 411 is installed on PTO transmission case output shaft 43；PTO transmission case top gear driving tooth 44 and PTO transmission case high speed
Shelves driven tooth 45, which matches to merge, is connected to PTO transmission case top gear clutch 46, PTO transmission case low or first gear driving tooth 47 and PTO
Transmission case low or first gear driven tooth 49 is connected to PTO transmission case low or first gear clutch 48, PTO transmission case main transmission driving tooth with merging
410 cooperate with PTO transmission case main transmission driven tooth 411.Driving force is by PTO transmission case power shaft 41, among PTO transmission case
Axis 42 transmits, and is exported by PTO transmission case output shaft 43；When being exported with low or first gear, 48 knot of PTO transmission case low or first gear clutch
It closing, PTO transmission case top gear clutch 46 disconnects, power transmission line are as follows: PTO transmission case power shaft 41-PTO transmission case is low
Among fast shelves clutch 48-PTO transmission case low or first gear driving tooth 47-PTO transmission case low or first gear driven tooth 49-PTO transmission case
Axis 42-PTO transmission case main transmission driving tooth 410-PTO transmission case main transmission 411-PTO of driven tooth transmission case output shaft 43.
Preferably, planetary gear power coupling mechanism 7 includes sun gear 71, planetary gear 72, planet carrier 73 and gear ring 74, row
Star-wheel 72 is engaged in sun gear 71 and positions with gear ring 74 and by planet carrier 73, front reduction gear case PTO output shaft 813 and rear reduction gearbox
PTO output shaft 823 is connected to gear ring 74 and sun gear 71.
Preferably, the preceding driving motor 11 is connect by ring flange with front reduction gear case 81；Driving motor 12 passes through method afterwards
Blue disk is connect with rear reduction gearbox 82.
Embodiment: drive system configuration of the invention can make electric tractor realize six kinds of drive modes: preceding driving electricity
Machine drive mode drives motor drive mode, forward and backward Dual-motors Driving mode, front motor driving vehicle mobile while forward and backward afterwards
Mode, the preceding, bi-motor of the mode of Dual-motors Driving PTO, the movement of rear motor driven vehicle while forward and backward Dual-motors Driving PTO
Drive vehicle mobile while the mode of forward and backward Dual-motors Driving PTO.
The first, front motor drive mode.Bridge clutch 22 after disconnection, bridge clutch 21 before connecting disconnect PTO clutch
3, start before driving motor 11, driving motor 12 after closing, driving force by preceding driving motor 11 be sequentially delivered to front reduction gear case 81,
Preceding bridge differential box 51, front vehicle wheel 61.This kind of drive mode is mainly used for the transition and road transport of electric tractor.
Second, rear motor drive mode.Bridge clutch 21 before disconnecting, rear bridge clutch 22 are in bonding state, disconnect
PTO clutch 3, driving motor 12 after starting, driving motor 11 before closing.After driving force is successively transferred to by rear driving motor 12
Reduction gearbox 82, rear axle differential box 52, rear wheel 62.
The third, forward and backward Dual-motors Driving mode.Preceding bridge clutch 21 is in bonding state, and rear bridge clutch 22 is in
Bonding state disconnects PTO clutch 3, driving motor 12 after starting, driving motor 11 before starting.Driving force is respectively by preceding driving
Motor 11 is successively transferred to front reduction gear case 81, preceding bridge differential box 51, front vehicle wheel 61；Subtract after being successively transferred to by rear driving motor 12
Fast case 82, rear axle differential box 52, rear wheel 62；This kind of drive mode is mainly used in the cultivation operation of electric tractor, transition
And road transport.
4th kind, front motor drives vehicle mobile while the mode of forward and backward Dual-motors Driving PTO.At preceding bridge clutch 21
Bridge clutch 22 after bonding state, disconnection, PTO clutch 3 are in bonding state, driving motor 12 after starting, start forerunner
Dynamic motor 11.Driving force is successively transferred to front reduction gear case 81, preceding bridge differential box 51, front vehicle wheel 61 by preceding driving motor 11 respectively；
The forward and backward driving motor power coupled by planetary gear power coupling mechanism 7 first passes to PTO transmission case 4, is passed again by PTO shaft
It is handed to rotary tillage mechanism.This kind of drive mode can be realized the dependent work of rear power output shaft PTO, be mainly used in electronic drag
The rotary tillage process of machine drawing.
5th kind, rear motor driven vehicle is mobile while the mode of forward and backward Dual-motors Driving PTO.Bridge clutch before disconnecting
21, rear bridge clutch 22 is in bonding state, and PTO clutch 3 is in bonding state, driving motor 12 after starting, starts forerunner
Dynamic motor 11.Driving force is successively transferred to rear reduction gearbox 82, rear axle differential box 52, rear wheel 62 by rear driving motor 12 respectively；
The forward and backward driving motor power coupled by planetary gear power coupling mechanism 7, first passes to PTO transmission case 4, is passed again by PTO shaft
To rotary tillage mechanism.This kind of drive mode can be realized the dependent work of power output shaft PTO, be mainly used in electric tractor
Rotary tillage process.
6th kind, forward and backward Dual-motors Driving vehicle is mobile while the mode of forward and backward Dual-motors Driving PTO.Preceding bridge clutch
21 are in bonding state, and rear bridge clutch 22 is in bonding state, and PTO clutch 3 is in bonding state, driving motor after starting
12, driving motor 11 before starting.Driving force is successively transferred to front reduction gear case 81, preceding bridge differential box by preceding driving motor 11 respectively
51, front vehicle wheel 61；Rear reduction gearbox 82, rear axle differential box 52, rear wheel 62 are successively transferred to by rear driving motor 12；By planet tooth
The forward and backward driving motor power that power coupling mechanism 7 couples is taken turns, PTO4 transmission case 4 is first passed to, rotation is transferred to by PTO shaft again
Plough mechanism.This kind of drive mode can be realized the dependent work of power output shaft PTO, with the 4th kind and the 5th kind of mode phase
Than, it can be achieved that bigger PTO output shaft torque, the traction adhesion property enhancing of electric tractor, it is electronic dilatory to be mainly used in
The rotary tillage process of machine.
Claims (6)
1. a kind of electric tractor couples power-driven system, including preceding driving motor, rear driving motor, preceding bridge clutch, after
Bridge clutch, PTO clutch, PTO transmission case, preceding bridge differential box, rear axle differential box, front vehicle wheel and rear wheel, it is characterised in that
It further include planetary gear power coupling mechanism, front reduction gear case and rear reduction gearbox, preceding driving motor and rear driving motor are mounted on vehicle
In frame, preceding driving motor is connected to front reduction gear case input shaft, and rear driving motor is connected to rear reduction box input shaft, and front reduction gear case drives
Dynamic output shaft is sequentially connected to preceding bridge clutch, preceding bridge differential box and front vehicle wheel；Reduction gearbox driving output shaft is sequentially connected to afterwards
Bridge clutch, rear axle differential box and rear wheel afterwards；Front reduction gear case PTO output shaft and rear reduction gearbox PTO output shaft are connected to
The output end of planetary gear power coupling mechanism, planetary gear power coupling mechanism is connected to PTO transmission by PTO clutch
Case.
2. a kind of electric tractor according to claim 1 couples power-driven system, which is characterized in that front reduction gear luggage
It includes front reduction gear case input shaft, front reduction gear case driving output shaft, front reduction gear case PTO output shaft, front reduction gear case PTO driving tooth, preceding subtract
Fast case top gear driving tooth, front reduction gear case top gear driven tooth, front reduction gear case low or first gear driving tooth, front reduction gear case low or first gear are driven
Tooth, the first PTO driven tooth of front reduction gear case, the 2nd PTO driven tooth of front reduction gear case, front reduction gear case top gear clutch, front reduction gear case
Low or first gear clutch, front reduction gear case PTO output clutch；Front reduction gear case low or first gear driving tooth and front reduction gear case low or first gear driven tooth
Match to merge and is connected to front reduction gear case low or first gear clutch, front reduction gear case top gear driving tooth and front reduction gear case top gear driven tooth
Match to merge and be connected to front reduction gear case top gear clutch, front reduction gear case PTO driving tooth, the 2nd PTO driven tooth of front reduction gear case and
The first PTO driven tooth of front reduction gear case matches, and the first PTO driven tooth of front reduction gear case is connect with the 2nd PTO driven tooth of front reduction gear case
In front reduction gear case PTO output clutch；Front reduction gear case PTO driving tooth, front reduction gear case top gear driving tooth, front reduction gear case low or first gear
Driving tooth is connected to front reduction gear case input shaft；Front reduction gear case top gear driven tooth, front reduction gear case low or first gear driven tooth difference
It is connected to front reduction gear case driving output shaft, the first PTO driven tooth of front reduction gear case is connected to front reduction gear case PTO output shaft.
3. a kind of electric tractor according to claim 2 couples power-driven system, which is characterized in that rear deceleration luggage
Include rear reduction box input shaft, rear reduction gearbox driving output shaft, rear reduction gearbox PTO output shaft, rear reduction gearbox PTO driving tooth, after subtract
Fast case top gear driving tooth, rear reduction gearbox top gear driven tooth, rear reduction gearbox low or first gear driving tooth, rear reduction gearbox low or first gear are driven
Tooth, the first PTO driven tooth of rear reduction gearbox, the 2nd PTO driven tooth of rear reduction gearbox, rear reduction gearbox top gear clutch, rear reduction gearbox
Low or first gear clutch, rear reduction gearbox PTO output clutch；Reduction gearbox low or first gear driving tooth and rear reduction gearbox low or first gear driven tooth afterwards
Match to merge and is connected to rear reduction gearbox low or first gear clutch, rear reduction gearbox top gear driving tooth and rear reduction gearbox top gear driven tooth
Match to merge and be connected to rear reduction gearbox top gear clutch, rear reduction gearbox PTO driving tooth, the 2nd PTO driven tooth of rear reduction gearbox and
The first PTO driven tooth of reduction gearbox matches afterwards, and rear the first PTO driven tooth of reduction gearbox is connect with rear the 2nd PTO driven tooth of reduction gearbox
In rear reduction gearbox PTO output clutch；Reduction gearbox PTO driving tooth, rear reduction gearbox top gear driving tooth, rear reduction gearbox low or first gear afterwards
Driving tooth is connected to rear reduction box input shaft；Reduction gearbox top gear driven tooth, rear reduction gearbox low or first gear driven tooth difference afterwards
It is connected to rear reduction gearbox driving output shaft, rear the first PTO driven tooth of reduction gearbox is connected to rear reduction gearbox PTO output shaft.
4. a kind of electric tractor according to claim 3 couples power-driven system, which is characterized in that PTO transmission case
Including PTO transmission case power shaft, PTO transmission countershaft and PTO transmission case output shaft, PTO transmission case top gear driving tooth,
PTO transmission case top gear driven tooth, PTO transmission case top gear clutch, PTO transmission case low or first gear driving tooth, PTO transmission case are low
Fast shelves clutch, PTO transmission case low or first gear driven tooth, PTO transmission case main transmission driving tooth and PTO transmission case main transmission are driven
Tooth, PTO transmission case top gear driving tooth, PTO transmission case low or first gear driving tooth are installed on PTO transmission case power shaft, PTO transmission case
Top gear driven tooth, PTO transmission case low or first gear driven tooth, PTO transmission case main transmission driving tooth are installed among PTO transmission case
Axis, PTO transmission case main transmission driven tooth are installed on PTO transmission case output shaft；PTO transmission case top gear driving tooth and PTO are driven
Case top gear driven tooth, which matches to merge, is connected to PTO transmission case top gear clutch, PTO transmission case low or first gear driving tooth and PTO
Transmission case low or first gear driven tooth is connected to PTO transmission case low or first gear clutch with merging, PTO transmission case main transmission driving tooth with
The cooperation of PTO transmission case main transmission driven tooth.
5. a kind of electric tractor according to claim 3 couples power-driven system, which is characterized in that planetary gear is dynamic
Power coupling mechanism includes sun gear, planetary gear, planet carrier and gear ring, and planetary gear is engaged in sun gear to be determined with gear ring and by planet carrier
The PTO output shaft of position, front reduction gear case and rear reduction gearbox is connected to gear ring and sun gear.
6. a kind of electric tractor according to claim 4 or 5 couples power-driven system, which is characterized in that before described
Driving motor is connect by ring flange with front reduction gear case；Driving motor is connect by ring flange with rear reduction gearbox afterwards.
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| CN201910579944.1A CN110217088A (en) | 2019-06-28 | 2019-06-28 | A kind of electric tractor coupling power-driven system |
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| CN201910579944.1A CN110217088A (en) | 2019-06-28 | 2019-06-28 | A kind of electric tractor coupling power-driven system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110843492A (en) * | 2019-11-27 | 2020-02-28 | 洛阳智能农业装备研究院有限公司 | Tractor power confluence reposition of redundant personnel transmission system based on bi-motor configuration |
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Application publication date: 20190910 |