CN210390737U - Double-power driving system of electric tractor - Google Patents
Double-power driving system of electric tractor Download PDFInfo
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- CN210390737U CN210390737U CN201920996437.3U CN201920996437U CN210390737U CN 210390737 U CN210390737 U CN 210390737U CN 201920996437 U CN201920996437 U CN 201920996437U CN 210390737 U CN210390737 U CN 210390737U
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Abstract
The electric tractor double-power driving system comprises a first reduction gearbox, a first clutch, a first wheel set, a first differential case, a second wheel set, a speed reduction and transfer integrated case, a walking motor and a walking-PTO motor; the input ends of the walking motor and the walking-PTO motor are connected with the controller; a first reduction box, a first clutch and a first differential box are sequentially connected between the traveling motor and the first wheel set; the walking-PTO motor is connected with the speed reduction and transfer integrated box, the speed reduction and transfer integrated box is provided with two output ends, a second differential case is connected between one output end of the speed reduction and transfer integrated box and a second wheel set, and a PTO clutch and a PTO power output shaft transmission case are sequentially connected between the other output end of the speed reduction and transfer integrated box and the rotary tillage mechanism; can carry out forerunner's, rear-guard, four-wheel drive operation conversion to different agricultural operating mode demands, also can effectively reduce the field operation condition of skidding simultaneously.
Description
Technical Field
The utility model relates to an electric tractor double-power driving system belongs to electric tractor driving system technical field.
Background
In the field of agricultural machinery using fuel oil as an energy condition, agricultural machinery including tractors suffers from many disadvantages of fuel oil energy, and a new energy tractor is urgently needed to meet the requirement of farming operation. At present, most of the tractors in the market, which use a driving motor as a power source, adopt a driving motor form, and the driving system configuration cannot provide enough power output so as to meet the requirement of a high-horsepower tractor on power; the electric tractor driven by the double motors adopts the current driving mode that the two motors work independently, one drives the wheels and the other drives the rotary tillage mechanism, the actual requirements under different working conditions are not considered, and when the tractor is used under certain working conditions, the phenomenon of insufficient power or power waste easily occurs.
Disclosure of Invention
The utility model provides an electric tractor double-power drive system for electric tractor can switch different modes under different work condition, improves the power utilization of motor.
In order to realize the purpose, the utility model comprises a first reduction gearbox, a first clutch, a first wheel set, a first differential case, a second wheel set, a speed reduction and transfer integrated case, a walking motor only used for driving wheels to walk, and a walking-PTO motor which has the functions of driving the wheels to walk and driving a rotary tillage mechanism; the input ends of the walking motor and the walking-PTO motor are connected with the output end of the controller; a first reduction box, a first clutch and a first differential box are sequentially connected between the traveling motor and the first wheel set; the walking-PTO motor is connected with the speed reduction and transfer integrated box, the speed reduction and transfer integrated box is provided with two output ends, a second differential case is connected between one output end of the speed reduction and transfer integrated box and the second wheel set, and a PTO clutch and a PTO power output shaft transmission case are sequentially connected between the other output end of the speed reduction and transfer integrated box and the rotary tillage mechanism.
Preferably, the first reduction gearbox comprises a first reduction gearbox low-speed gear driving tooth, a first reduction gearbox high-speed gear driving tooth, a first reduction gearbox low-speed gear clutch, a first reduction gearbox high-speed gear clutch, a first reduction gearbox low-speed gear driven tooth, a first reduction gearbox high-speed gear driven tooth, a first reduction gearbox input shaft and a first reduction gearbox output shaft, wherein the first reduction gearbox low-speed gear driving tooth is matched with the first reduction gearbox low-speed gear driven tooth and connected to the first reduction gearbox low-speed gear clutch, the first reduction gearbox low-speed gear clutch is connected to the first reduction gearbox output shaft, and the first reduction gearbox low-speed gear driving tooth is connected to the first reduction gearbox input shaft; the first reduction gearbox high-speed gear driving tooth is matched with the first reduction gearbox high-speed gear driven tooth and connected to a first reduction gearbox high-speed gear clutch, the first reduction gearbox high-speed gear clutch is connected to the first reduction gearbox input shaft, and the first reduction gearbox high-speed gear driven tooth is connected to the first reduction gearbox output shaft.
Preferably, the speed reduction transfer integrated box comprises a speed reduction transfer integrated box input shaft, a speed reduction transfer integrated box drive output shaft, a speed reduction transfer integrated box PTO driving tooth, a speed reduction transfer integrated box high-speed gear driven tooth, a speed reduction transfer integrated box low-speed gear driving tooth, a speed reduction transfer integrated box low-speed gear driven tooth, a speed reduction transfer integrated box first PTO driven tooth, a speed reduction transfer integrated box second PTO driven tooth, a speed reduction transfer integrated box high-speed gear clutch, a speed reduction transfer integrated box low-speed gear clutch and a speed reduction transfer integrated box PTO output clutch; the speed reduction and transfer integrated box low-speed gear driving tooth and the speed reduction and transfer integrated box low-speed gear driven tooth are matched and connected with the speed reduction and transfer integrated box low-speed gear clutch, the speed reduction and transfer integrated box high-speed gear driving tooth and the speed reduction and transfer integrated box high-speed gear driven tooth are matched and connected with the speed reduction and transfer integrated box high-speed gear clutch, the speed reduction and transfer integrated box PTO driving tooth, the speed reduction and transfer integrated box second PTO driven tooth and the speed reduction and transfer integrated box first PTO driven tooth are matched, and the speed reduction and transfer integrated box first PTO driven tooth and the speed reduction and transfer integrated box second PTO driven tooth are connected with the speed reduction and transfer integrated box PTO output clutch; the PTO driving tooth of the speed reduction and transfer integrated box, the high-speed gear driving tooth of the speed reduction and transfer integrated box and the low-speed gear driving tooth of the speed reduction and transfer integrated box are respectively connected with an input shaft of the speed reduction and transfer integrated box; the high-speed gear driven gear of the speed reduction and transfer integrated box and the low-speed gear driven gear of the speed reduction and transfer integrated box are respectively connected with the driving output shaft of the speed reduction and transfer integrated box, and the first PTO driven gear of the speed reduction and transfer integrated box is connected with the PTO output shaft of the speed reduction and transfer integrated box.
Preferably, the utility model discloses still include the second clutch, the second clutch is connected between integrative case of speed reduction transfer and the second differential case.
Preferably, the walking motor, the first reduction gearbox, the first clutch and the first differential gearbox form a front drive axle system of the electric tractor, and the first wheel set is used as a front wheel of the electric tractor; the walking-PTO motor, the speed reduction and transfer integrated box, the second differential case, the PTO clutch and the PTO power output shaft transmission case form a rear drive axle system of the electric tractor, and the second wheel set is used as a rear wheel of the electric tractor.
Preferably, the walking-PTO motor, the speed reduction and transfer integrated box and the second differential case form a front drive axle system of the electric tractor; the second wheel set is used as the front wheel of the electric tractor, the walking motor, the first reduction gearbox, the first clutch and the first differential gearbox form a rear drive axle system of the electric tractor, and the first wheel set is used as the rear wheel of the electric tractor; and the PTO clutch and the PTO power output shaft transmission case are arranged on a rear drive axle system of the electric tractor.
Preferably, the walking motor, the first reduction gearbox, the first clutch and the first differential gearbox form a front drive axle system of the electric tractor, and the first wheel set is used as a front wheel of the electric tractor; the walking-PTO motor, the speed reduction and transfer integrated box, the second clutch, the second differential case, the PTO clutch and the PTO power output shaft transmission case form a rear drive axle system of the electric tractor, and the second wheel set is used as a rear wheel of the electric tractor.
Preferably, the walking-PTO motor, the speed reduction and transfer integrated box, the second clutch and the second differential case form a front drive axle system of the electric tractor; the second wheel set is used as the front wheel of the electric tractor, the walking motor, the first reduction gearbox, the first clutch and the first differential gearbox form a rear drive axle system of the electric tractor, and the first wheel set is used as the rear wheel of the electric tractor; and the PTO clutch and the PTO power output shaft transmission case are arranged on a rear drive axle system of the electric tractor.
Compared with the prior art, the utility model can break through the limitation of insufficient power of the existing single motor, realize high horsepower output and meet the requirement of larger power output; the double-motor configuration can realize two functional forms of PTO output of the electric tractor, namely the functions of an independent PTO and a non-independent PTO; meanwhile, the distributed control of the double-motor configuration can carry out the operation conversion of front driving, rear driving and four-wheel driving according to different agricultural working condition requirements, and can effectively reduce the slipping condition of field operation.
Drawings
Fig. 1 is a schematic view of the connection structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of the first reduction gearbox;
fig. 3 is an enlarged schematic view of the structure of the speed reduction transfer integral box.
In the figure: 1. a controller; 2. a traveling motor; 3. a first reduction gearbox; 31. a first reduction gearbox low-gear driving tooth; 32. a first reduction gearbox high-speed gear driving tooth; 33. a first reduction gearbox low-gear clutch; 34. a first reduction gearbox high gear clutch; 35. a first reduction gearbox low-gear driven gear; 36. the first reduction box high-speed gear driven gear; 37. a first reduction gearbox input shaft; 38. a first reduction gearbox output shaft; 4. a first clutch; 5. a first differential case; 6. a first wheel set; 7. a walk-PTO motor; 8. a speed reduction transfer integral case; 81. an input shaft of the speed reduction transfer integral case; 82. the speed reduction and transfer integrated box drives an output shaft; 83. a PTO output shaft of the speed reduction transfer integral case; 84. a PTO driving tooth of the speed reduction transfer integral box; 85. a high-speed gear driving tooth of the speed reduction and transfer integrated box; 86. the speed reduction and transfer integrated box high-speed gear driven gear; 87. a low-gear driving tooth of the speed reduction and transfer integrated box; 88. the speed reduction and transfer integrated box is provided with a low-gear driven gear; 89. a first PTO driven of the speed reduction transfer integral box; 810. a deceleration transfer case second PTO driven gear 810; 811. a high-speed clutch of the speed reduction and transfer integrated box; 812. a low-gear clutch of the speed reduction and transfer integrated box; 813. a PTO output clutch of the speed reduction transfer integral case; 9. a second differential case; 10. a second wheel group; 11. a PTO clutch; 12. a PTO power take-off shaft transmission case; 13. a rotary tillage mechanism.
Detailed Description
The present invention will be further explained with reference to the drawings and the embodiments.
As shown in fig. 1, the utility model comprises a first reduction box 3, a first clutch 4, a first wheel set 6, a first differential case 5, a second differential case 9, a second wheel set 10, a speed reduction and transfer integrated case 8, a walking motor 2 only used for driving wheels to walk, and a walking-PTO motor 7 having the functions of driving the wheels to walk and driving a rotary tillage mechanism; the input ends of the walking motor 2 and the walking-PTO motor 7 are connected with the output end of the controller 1; a first reduction gearbox 3, a first clutch 4 and a first differential gearbox 5 are sequentially connected between the traveling motor 2 and the first wheel set 6; the walking-PTO motor 7 is connected with the speed reduction transfer integrated box 8, the speed reduction transfer integrated box 8 is provided with two output ends, a second differential case 9 is connected between one output end of the speed reduction transfer integrated box 8 and the second wheel set 10, and a PTO clutch 11 and a PTO power output shaft transmission case 12 are sequentially connected between the other output end of the speed reduction transfer integrated box 8 and the rotary tillage mechanism 13.
The first reduction gearbox 3 comprises a first reduction gearbox low-speed gear driving tooth 31, a first reduction gearbox high-speed gear driving tooth 32, a first reduction gearbox low-speed gear clutch 33, a first reduction gearbox high-speed gear clutch 34, a first reduction gearbox low-speed gear driven tooth 35, a first reduction gearbox high-speed gear driven tooth 36, a first reduction gearbox input shaft 37 and a first reduction gearbox output shaft 38, wherein the first reduction gearbox low-speed gear driving tooth 31 is matched with the first reduction gearbox low-speed gear driven tooth 35 and connected to the first reduction gearbox low-speed gear clutch 33, the first reduction gearbox low-speed gear clutch 33 is connected to the first reduction gearbox output shaft 38, and the first reduction gearbox low-speed gear driving tooth 31 is connected to the first reduction gearbox input shaft 37; the first reduction gearbox high-speed gear driving teeth 32 are matched with the first reduction gearbox high-speed gear driven teeth 36 and connected to a first reduction gearbox high-speed gear clutch 34, the first reduction gearbox high-speed gear clutch 34 is connected to a first reduction gearbox input shaft 37, and the first reduction gearbox high-speed gear driven teeth 36 are connected to a first reduction gearbox output shaft 38.
Through the arrangement of the mode, the first reduction box 3 can realize two modes of high-speed output and low-speed output, when the first reduction box outputs the low-speed gear, the first reduction box low-speed clutch 33 is combined, the first reduction box high-speed clutch 34 is disconnected, and the power transmission route is as follows: the first reduction gearbox input shaft 37-first reduction gearbox low-gear driving tooth 31-first reduction gearbox low-gear driven tooth 35-first reduction gearbox low-gear clutch 33-first reduction gearbox output shaft 38.
When the output is carried out in a high gear, the low gear clutch is disconnected, the high gear clutch is combined, and the power transmission route is as follows: a first reduction gearbox input shaft 37, a first reduction gearbox high-speed clutch 34, a first reduction gearbox high-speed driving tooth 32, a first reduction gearbox high-speed driven tooth 36 and a first reduction gearbox output shaft 38.
The speed reduction transfer integrated box 8 comprises a speed reduction transfer integrated box input shaft 81, a speed reduction transfer integrated box drive output shaft 82, a speed reduction transfer integrated box PTO output shaft 83, a speed reduction transfer integrated box PTO driving tooth 84, a speed reduction transfer integrated box high-speed gear driving tooth 85, a speed reduction transfer integrated box high-speed gear driven tooth 86, a speed reduction transfer integrated box low-speed gear driving tooth 87, a speed reduction transfer integrated box low-speed gear driven tooth 88, a speed reduction transfer integrated box first PTO driven tooth 89, a speed reduction transfer integrated box second PTO driven tooth 810, a speed reduction transfer integrated box high-speed gear clutch 811, a speed reduction transfer integrated box low-speed gear clutch 812 and a speed reduction transfer integrated box PTO output clutch 813; the deceleration transfer integrated box low-speed drive tooth 87 and the deceleration transfer integrated box low-speed driven tooth 88 are matched and connected with the deceleration transfer integrated box low-speed clutch 812, the deceleration transfer integrated box high-speed drive tooth 85 and the deceleration transfer integrated box high-speed driven tooth 86 are matched and connected with the deceleration transfer integrated box high-speed clutch 811, the deceleration transfer integrated box PTO drive tooth 84, the deceleration transfer integrated box second PTO driven tooth 810 and the deceleration transfer integrated box first PTO driven tooth 89 are matched, and the deceleration transfer integrated box first PTO driven tooth 89 and the deceleration transfer integrated box second PTO driven tooth 810 are connected with the deceleration transfer integrated box PTO output clutch 813; the speed reduction transfer integrated box PTO driving tooth 84, the speed reduction transfer integrated box high-speed gear driving tooth 85 and the speed reduction transfer integrated box low-speed gear driving tooth 87 are respectively connected with the speed reduction transfer integrated box input shaft 81; the high-speed gear driven gear 86 and the low-speed gear driven gear 88 of the speed reduction transfer integrated box are respectively connected with the driving output shaft 82 of the speed reduction transfer integrated box, and the first PTO driven gear 89 of the speed reduction transfer integrated box is connected with the PTO output shaft 83 of the speed reduction transfer integrated box.
Through the arrangement of the mode, five states of independent work of the PTO, high-speed output and work of the PTO, low-speed output and work of the PTO, non-work of the low-speed output PTO and non-work of the high-speed output PTO are realized.
When the PTO is operating independently: the high-speed clutch 811 of the speed reduction transfer integral box is disconnected, the low-speed clutch 812 of the speed reduction transfer integral box is disconnected, the PTO output clutch 813 of the speed reduction transfer integral box is combined, and the power transmission route is as follows: the input end of the input shaft 81 of the speed reduction transfer integral box, the second PTO driven gear 810 of the speed reduction transfer integral box, the first PTO driven gear 89 of the speed reduction transfer integral box, the PTO output clutch 813 of the speed reduction transfer integral box and the PTO output shaft 83 of the speed reduction transfer integral box.
Low gear output, during PTO operation, the high gear clutch 811 of the speed reduction transfer integral box is disconnected, the low gear clutch 812 of the speed reduction transfer integral box is combined, the PTO output clutch 813 of the speed reduction transfer integral box is connected, and the power transmission route is: the input end of an input shaft 81 of the speed reduction transfer integrated box, a second PTO driven gear 810 of the speed reduction transfer integrated box, a first PTO driven gear 89 of the speed reduction transfer integrated box, a PTO output clutch 813 of the speed reduction transfer integrated box and a PTO output shaft 83 of the speed reduction transfer integrated box; the input end of the input shaft 81 of the speed reduction transfer integrated box, the low-gear clutch 812 of the speed reduction transfer integrated box, the low-gear driving tooth 87 of the speed reduction transfer integrated box, the low-gear driven tooth 88 of the speed reduction transfer integrated box and the driving output shaft 82 of the speed reduction transfer integrated box.
And when the PTO works, the high-speed clutch 811 of the speed reduction and transfer integrated box is combined, the low-speed clutch 812 of the speed reduction and transfer integrated box is disconnected, the PTO output clutch 813 of the speed reduction and transfer integrated box is combined, and the power transmission route is as follows: the input end of an input shaft 81 of the speed reduction transfer integrated box, a second PTO driven gear 810 of the speed reduction transfer integrated box, a first PTO driven gear 89 of the speed reduction transfer integrated box, a PTO output clutch 813 of the speed reduction transfer integrated box and a PTO output shaft 83 of the speed reduction transfer integrated box; input end of input shaft 81 of speed reduction and transfer integrated box, driving tooth 85 of high-speed gear of speed reduction and transfer integrated box, driving tooth 86 of high-speed gear of speed reduction and transfer integrated box, clutch 811 of high-speed gear of speed reduction and transfer integrated box and driving output shaft 82 of speed reduction and transfer integrated box
When the low-gear output PTO does not work, the low-gear clutch 812 of the speed reduction and transfer integrated box is combined, the high-gear clutch 811 of the speed reduction and transfer integrated box is disconnected, and the power transmission route is as follows: the input end of the input shaft 81 of the speed reduction transfer integrated box, the low-gear clutch 812 of the speed reduction transfer integrated box, the low-gear driving tooth 87 of the speed reduction transfer integrated box, the low-gear driven tooth 88 of the speed reduction transfer integrated box and the driving output shaft 82 of the speed reduction transfer integrated box.
When the PTO is not operating at high gear output, the speed reduction transfer case low gear clutch 812 is disengaged and the speed reduction transfer case high gear clutch 811 is engaged, the power transmission route being: the input end of the input shaft 81 of the speed reduction transfer integrated box, the driving tooth 85 of the high-speed gear of the speed reduction transfer integrated box, the driven tooth 86 of the high-speed gear of the speed reduction transfer integrated box, the clutch 811 of the high-speed gear of the speed reduction transfer integrated box and the driving output shaft 82 of the speed reduction transfer integrated box.
The utility model discloses still include the second clutch, the second clutch is connected between speed reduction transfer case 8 and second differential case 9.
The first embodiment is as follows: the walking motor 2, the first reduction gearbox 3, the first clutch 4 and the first differential gearbox 5 form a front drive axle system of the electric tractor, and the first wheel set 6 is used as a front wheel of the electric tractor; the walking-PTO motor 7, the speed reduction transfer integrated box 8, the second differential case 9, the PTO clutch 11 and the PTO power output shaft transmission case 12 form a rear drive axle system of the electric tractor, and the second wheel set is used as a rear wheel of the electric tractor. By adopting the structure design, the electric tractor can realize four driving modes:
first, a front motor drive mode. The controller 1 is operated, the walking-PTO motor 7 is closed, the PTO clutch 11 is disconnected, the first clutch 4 is connected, the walking motor 2 is started, and the driving force is transmitted to the first reduction gearbox 3, the first clutch 4 and the first differential gearbox 5 to the front wheel of the electric tractor in sequence through the walking motor 2.
Second, the rear motor drive mode. The controller 1 is operated, the walking motor 2 is closed, the PTO clutch 11 is disconnected, the first clutch 4 is disconnected, the walking-PTO motor 7 is started, and the driving force is transmitted to the speed reduction and transfer integrated box 8, the second differential case 9 and the rear wheel of the electric tractor from the walking-PTO motor 7 in sequence.
And the third mode is a front and back double-motor driving mode. Operating the controller 1, disconnecting the PTO clutch 11, connecting the first clutch 4, starting the walking motor 2 and the walking-PTO motor 7, and respectively transmitting the driving force to the first reduction gearbox 3, the first clutch 4, the first differential gearbox 5 and the front wheel of the electric tractor from the walking motor 7; the walking-PTO motor 7 sequentially transmits the power to a speed reduction and transfer integrated box 8 and a second differential case 9 to the rear wheels of the electric tractor; the driving mode is mainly applied to transition, road transportation and plowing operation of the electric tractor, and meanwhile, the front wheel and the rear wheel are driven simultaneously, so that the situation of ground slipping can be effectively reduced.
Fourth, the front and rear dual motors drive the entire vehicle to move while the rear motor drives the PTO mode. The operation controller 1 is connected with the first clutch 4, the PTO clutch 11, the walking motor 2 and the walking-PTO motor 7, and the driving force is respectively transmitted to the first reduction gearbox 3, the first clutch 4, the first differential gearbox 5 and the front wheel of the electric tractor from the walking motor 2; the walking-PTO motor 7 sequentially transmits the power to the speed reduction and transfer integrated box 8, the second differential case 9 to the rear wheel of the electric tractor, and the walking-PTO motor 7 sequentially transmits the power to the speed reduction and transfer integrated box 8, the PTO power output shaft transmission case 12 to the rotary tillage mechanism 13. The driving mode can realize the non-independent work of the power output shaft PTO and is mainly applied to the rotary tillage operation of the electric tractor.
Example two: the walking-PTO motor 7, the speed reduction and transfer integrated box 8 and the second differential case 9 form a front drive axle system of the electric tractor; the second wheel set 10 is used as the front wheel of the electric tractor, the walking motor 2, the first reduction gearbox 3, the first clutch 4 and the first differential gearbox 5 form a rear drive axle system of the electric tractor, and the first wheel set 6 is used as the rear wheel of the electric tractor; the PTO clutch 11 and the PTO power take-off shaft transmission case 12 are mounted on the rear drive axle system of the electric tractor. By adopting the structure design, the electric tractor can realize four driving modes:
first, a front motor drive mode. The controller 1 is operated, the walking motor 2 is closed, the walking-PTO motor 7 is started, the PTO clutch 11 is disconnected, the first clutch 4 is disconnected, and the driving force is transmitted to the speed reduction and transfer integrated box 8, the second differential case 9 and the front wheel of the electric tractor from the walking-PTO motor 7 in sequence.
Second, the rear motor drive mode. The controller 1 is operated, the PTO clutch 11 is disconnected, the first clutch 4 is connected, the walking motor 2 is started, and the driving force is transmitted to the first reduction gearbox 3, the first clutch 4 and the first differential gearbox 5 from the walking motor 2 to the rear wheel of the electric tractor in sequence.
And the third mode is a front and back double-motor driving mode. Operating the controller 1, disconnecting the PTO clutch 11, connecting the first clutch 4, starting the walking motor 2 and the walking-PTO motor 7, and respectively transmitting the driving force to the first reduction gearbox 3, the first clutch 4, the first differential gearbox 5 and the rear wheel of the electric tractor from the walking motor 2; the walking-PTO motor 7 sequentially transmits the power to a speed reduction and transfer integrated box 8 and a second differential case 9 to the front wheel of the electric tractor; the driving mode is mainly applied to transition, road transportation and plowing operation of the electric tractor, and meanwhile, the front wheel and the rear wheel are driven simultaneously, so that the situation of ground slipping can be effectively reduced.
And fourthly, the front and the rear double motors drive the whole vehicle to move and the front motor drives the PTO mode. The operation controller 1 is connected with the first clutch 4, the PTO clutch 11, the walking motor 2 and the walking-PTO motor 7, and the driving force is respectively transmitted to the first reduction gearbox 3, the first clutch 4, the first differential gearbox 5 and the rear wheel of the electric tractor from the walking motor 2; the walking-PTO motor 7 sequentially transmits the power to the speed reduction and transfer integrated box 8, the second differential case 9 to the front wheel of the electric tractor, and the walking-PTO motor 7 sequentially transmits the power to the speed reduction and transfer integrated box 8, the PTO power output shaft transmission case 12 to the rotary tillage mechanism 13. The driving mode can realize the non-independent work of the power output shaft PTO and is mainly applied to the rotary tillage operation of the electric tractor.
Example three: the walking motor 2, the first reduction gearbox 3, the first clutch 4 and the first differential gearbox 5 form a front drive axle system of the electric tractor, and the first wheel set 6 is used as a front wheel of the electric tractor; the walking-PTO motor 7, the speed reduction transfer integrated box 8, the second clutch, the second differential case 9, the PTO clutch 11 and the PTO power output shaft transmission case 12 form a rear drive axle system of the electric tractor, and the second wheel set 10 is used as a rear wheel of the electric tractor. By adopting the structure design, the electric tractor can realize five driving modes:
first, a front motor drive mode. The controller 1 is operated, the walking-PTO motor 7 is closed, the PTO clutch 11 is disconnected, the second clutch is disconnected, the first clutch 4 is connected, the walking motor 2 is started, and the driving force is transmitted to the first reduction gearbox 3, the first clutch 4, the first differential case 5 and the front wheel of the electric tractor in sequence through the walking motor 2.
Second, the rear motor drive mode. The controller 1 is operated, the walking motor 2 is closed, the PTO clutch 11 is disconnected, the first clutch 4 is disconnected, the walking-PTO motor 7 is started, the second clutch is connected, and the driving force is transmitted to the speed reduction and transfer integrated box 8 and the second differential case 9 to the rear wheel of the electric tractor from the walking-PTO motor 7 in sequence.
And the third mode is a front and back double-motor driving mode. The controller 1 is operated, the PTO clutch 11 is disconnected, the first clutch 4 and the second clutch are connected, the walking motor 2 and the walking-PTO motor 7 are started, and the driving force is respectively transmitted to the first reduction gearbox 3, the first clutch 4 and the first differential box 5 from the walking motor 2 to the front wheel of the electric tractor; the walking-PTO motor 7 sequentially transmits the power to a speed reduction and transfer integrated box 8 and a second differential case 9 to the rear wheels of the electric tractor; the driving mode is mainly applied to transition, road transportation and plowing operation of the electric tractor, and meanwhile, the front wheel and the rear wheel are driven simultaneously, so that the situation of ground slipping can be effectively reduced.
Fourth, the front and rear dual motors drive the entire vehicle to move while the rear motor drives the PTO mode. The operation controller 1 is connected with the first clutch 4 and the second clutch, connected with the PTO clutch 11, started with the walking motor 2 and the walking-PTO motor 7, and the driving force is respectively transmitted to the first reduction gearbox 3, the first clutch 4 and the first differential case 5 from the walking motor 2 to the front wheels of the electric tractor; the walking-PTO motor 7 sequentially transmits the power to the speed reduction and transfer integrated box 8, the second differential case 9 to the rear wheel of the electric tractor, and the walking-PTO motor 7 sequentially transmits the power to the speed reduction and transfer integrated box 8, the PTO power output shaft transmission case 12 to the rotary tillage mechanism 13. The driving mode can realize the non-independent work of the power output shaft PTO and is mainly applied to the rotary tillage operation of the electric tractor.
And fifthly, the front motor drives the whole vehicle to move and the rear motor drives the PTO at the same time. The operation controller 1 is connected with the first clutch 4, connected with the PTO clutch 11, disconnected with the second clutch, started with the walking motor 2 and the walking-PTO motor 7, and the driving force is respectively transmitted to the first reduction gearbox 3, the first clutch 4, the first differential case 5 and the front wheel of the electric tractor from the walking motor 2; the walking-PTO motor 7 sequentially transmits the power to the speed reduction and transfer integrated box 8, the PTO power output shaft transmission box 12 and the PTO shaft connected with the rotary tillage mechanism 13. The driving mode can realize the independent work of the power output shaft PTO and is mainly applied to the rotary tillage operation of the electric tractor.
Example four: the walking-PTO motor 7, the speed reduction and transfer integrated box 8, the second clutch and the second differential case 9 form a front drive axle system of the electric tractor; the second wheel set 10 is used as the front wheel of the electric tractor, the walking motor 2, the first reduction gearbox 3, the first clutch 4 and the first differential gearbox 5 form a rear drive axle system of the electric tractor, and the first wheel set 6 is used as the rear wheel of the electric tractor; the PTO clutch 11 and the PTO power take-off shaft transmission case 12 are mounted on the rear drive axle system of the electric tractor. By adopting the structural design, the electric tractor can realize five driving modes;
first, a front motor drive mode. The controller 1 is operated, the walking motor 2 is closed, the walking-PTO motor 7 is started, the PTO clutch 11 is disconnected, the first clutch 4 is disconnected, the second clutch is connected, the driving force is transmitted to the speed reduction and transfer integrated box 8 and the second differential case 9 to the front wheel of the electric tractor from the walking-PTO motor 7 in sequence, and the driving mode is mainly used for the transfer and road transportation of the electric tractor.
Second, the rear motor drive mode. The controller 1 is operated, the PTO clutch 11 and the second clutch are disconnected, the first clutch 4 is connected, the walking motor 2 is started, the driving force is transmitted to the first reduction gearbox 3, the first clutch 4 and the first differential gearbox 5 from the walking motor 2 to the rear wheel of the electric tractor in sequence, and the driving mode is mainly applied to electric tractor transition, road transportation and plowing operation.
And the third mode is a front and back double-motor driving mode. The controller 1 is operated, the PTO clutch 11 is disconnected, the walking motor 2 and the walking-PTO motor 7 are started, the first clutch 4 and the second clutch are connected, and the driving force is respectively transmitted to the first reduction gearbox 3, the first clutch 4 and the first differential box 5 from the walking motor 2 to the rear wheel of the electric tractor; the walking-PTO motor 7 sequentially transmits the power to a speed reduction and transfer integrated box 8 and a second differential case 9 to the front wheel of the electric tractor; the driving mode is mainly applied to transition, road transportation and plowing operation of the electric tractor, and meanwhile, the front wheel and the rear wheel are driven simultaneously, so that the situation of ground slipping can be effectively reduced.
And fourthly, the front and the rear double motors drive the whole vehicle to move and the front motor drives the PTO mode. The controller 1 is operated, the walking motor 2 and the walking-PTO motor 7 are started, the first clutch 4 and the second clutch are connected, the PTO clutch 11 is connected, and the driving force is respectively transmitted to the first reduction gearbox 3, the first clutch 4 and the first differential box 5 from the walking motor 2 to the rear wheel of the electric tractor; the walking-PTO motor 7 sequentially transmits the power to the speed reduction and transfer integrated box 8, the second differential case 9 and the front wheel of the electric tractor, and the walking-PTO motor 7 sequentially transmits the power to the speed reduction and transfer integrated box 8, the PTO power output shaft transmission case 12 and the PTO shaft connected with the rotary tillage mechanism 13. The driving mode can realize the non-independent work of the PTO of the rear power output shaft and is mainly applied to the rotary tillage operation of the electric tractor.
And fifthly, a rear motor drives the whole vehicle to move and a front motor drives the PTO at the same time. The controller 1 is operated, the walking motor 2 and the walking-PTO motor 7 are started, the first clutch 4 is connected, the PTO clutch 11 is connected, the second clutch is disconnected, and the driving force is respectively transmitted to the first reduction gearbox 3, the first clutch 4, the first differential box 5 and the rear wheel of the electric tractor from the walking motor 2; the walking-PTO motor 7 sequentially transmits the power to the speed reduction and transfer integrated box 8, the PTO power output shaft transmission box 12 and the PTO shaft connected with the rotary tillage mechanism 13. The driving mode is mainly applied to rotary tillage operation of the electric tractor.
Of course, the utility model discloses an independent work of power take off shaft PTO is independently provided power by walking-PTO motor, does not receive the influence of speed of a motor vehicle, and PTO axle rotational speed can freely adjust. And, can realize when the vehicle is in the stationary state, still can start the rotation of PTO axle, i.e. the operation and the stop of PTO axle, and the driving and the stop of tractor do not influence each other.
Claims (8)
1. The electric tractor double-power driving system comprises a first reduction gearbox, a first clutch, a first wheel set, a first differential case, a second wheel set, a speed reduction and transfer integrated case, a walking motor only used for driving wheels to walk, and a walking-PTO motor with the functions of driving the wheels to walk and driving a rotary tillage mechanism; the input ends of the walking motor and the walking-PTO motor are connected with the output end of the controller; the device is characterized in that a first reduction gearbox, a first clutch and a first differential gearbox are sequentially connected between the walking motor and the first wheel set; the walking-PTO motor is connected with the speed reduction and transfer integrated box, the speed reduction and transfer integrated box is provided with two output ends, a second differential case is connected between one output end of the speed reduction and transfer integrated box and the second wheel set, and a PTO clutch and a PTO power output shaft transmission case are sequentially connected between the other output end of the speed reduction and transfer integrated box and the rotary tillage mechanism.
2. The electric tractor double-power driving system as claimed in claim 1, wherein the first reduction gearbox comprises a first reduction gearbox low-gear driving tooth, a first reduction gearbox high-gear driving tooth, a first reduction gearbox low-gear clutch, a first reduction gearbox high-gear clutch, a first reduction gearbox low-gear driven tooth, a first reduction gearbox high-gear driven tooth, a first reduction gearbox input shaft and a first reduction gearbox output shaft, the first reduction gearbox low-gear driving tooth is matched with the first reduction gearbox low-gear driven tooth and connected to the first reduction gearbox low-gear clutch, the first reduction gearbox low-gear clutch is connected to the first reduction gearbox output shaft, and the first reduction gearbox low-gear driving tooth is connected to the first reduction gearbox input shaft; the first reduction gearbox high-speed gear driving tooth is matched with the first reduction gearbox high-speed gear driven tooth and connected to a first reduction gearbox high-speed gear clutch, the first reduction gearbox high-speed gear clutch is connected to the first reduction gearbox input shaft, and the first reduction gearbox high-speed gear driven tooth is connected to the first reduction gearbox output shaft.
3. The electric tractor double-power-driven system according to claim 1 or 2, characterized in that the speed reduction transfer integral box comprises a speed reduction transfer integral box input shaft, a speed reduction transfer integral box drive output shaft, a speed reduction transfer integral box PTO driving tooth, a speed reduction transfer integral box high-speed gear driven tooth, a speed reduction transfer integral box low-speed gear driving tooth, a speed reduction transfer integral box first PTO driven tooth, a speed reduction transfer integral box second PTO driven tooth, a speed reduction transfer integral box high-speed gear clutch, a speed reduction transfer integral box low-speed gear clutch and a speed reduction transfer integral box PTO output clutch; the speed reduction and transfer integrated box low-speed gear driving tooth and the speed reduction and transfer integrated box low-speed gear driven tooth are matched and connected with the speed reduction and transfer integrated box low-speed gear clutch, the speed reduction and transfer integrated box high-speed gear driving tooth and the speed reduction and transfer integrated box high-speed gear driven tooth are matched and connected with the speed reduction and transfer integrated box high-speed gear clutch, the speed reduction and transfer integrated box PTO driving tooth, the speed reduction and transfer integrated box second PTO driven tooth and the speed reduction and transfer integrated box first PTO driven tooth are matched, and the speed reduction and transfer integrated box first PTO driven tooth and the speed reduction and transfer integrated box second PTO driven tooth are connected with the speed reduction and transfer integrated box PTO output clutch; the PTO driving tooth of the speed reduction and transfer integrated box, the high-speed gear driving tooth of the speed reduction and transfer integrated box and the low-speed gear driving tooth of the speed reduction and transfer integrated box are respectively connected with an input shaft of the speed reduction and transfer integrated box; the high-speed gear driven gear of the speed reduction and transfer integrated box and the low-speed gear driven gear of the speed reduction and transfer integrated box are respectively connected with the driving output shaft of the speed reduction and transfer integrated box, and the first PTO driven gear of the speed reduction and transfer integrated box is connected with the PTO output shaft of the speed reduction and transfer integrated box.
4. The electric tractor double-power drive system of claim 3, further comprising a second clutch connected between the speed reduction transfer case and the second differential case.
5. The electric tractor double-power driving system as claimed in claim 1, wherein the traveling motor, the first reduction gearbox, the first clutch and the first differential gearbox form a front drive axle system of the electric tractor, and the first wheel set is used as a front wheel of the electric tractor; the walking-PTO motor, the speed reduction and transfer integrated box, the second differential case, the PTO clutch and the PTO power output shaft transmission case form a rear drive axle system of the electric tractor, and the second wheel set is used as a rear wheel of the electric tractor.
6. The electric tractor double-power driving system as claimed in claim 3, wherein the walking-PTO motor, the speed reduction and transfer integrated box and the second differential case form a front drive axle system of the electric tractor; the second wheel set is used as the front wheel of the electric tractor, the walking motor, the first reduction gearbox, the first clutch and the first differential gearbox form a rear drive axle system of the electric tractor, and the first wheel set is used as the rear wheel of the electric tractor; and the PTO clutch and the PTO power output shaft transmission case are arranged on a rear drive axle system of the electric tractor.
7. The electric tractor double-power driving system as claimed in claim 3, wherein the traveling motor, the first reduction gearbox, the first clutch and the first differential case form a front drive axle system of the electric tractor, and the first wheel set is used as a front wheel of the electric tractor; the walking-PTO motor, the speed reduction and transfer integrated box, the second clutch, the second differential case, the PTO clutch and the PTO power output shaft transmission case form a rear drive axle system of the electric tractor, and the second wheel set is used as a rear wheel of the electric tractor.
8. The electric tractor double-power driving system as claimed in claim 3, wherein the walking-PTO motor, the speed reduction and transfer integrated box, the second clutch and the second differential case form a front drive axle system of the electric tractor; the second wheel set is used as the front wheel of the electric tractor, the walking motor, the first reduction gearbox, the first clutch and the first differential gearbox form a rear drive axle system of the electric tractor, and the first wheel set is used as the rear wheel of the electric tractor; and the PTO clutch and the PTO power output shaft transmission case are arranged on a rear drive axle system of the electric tractor.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920996437.3U CN210390737U (en) | 2019-06-28 | 2019-06-28 | Double-power driving system of electric tractor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920996437.3U CN210390737U (en) | 2019-06-28 | 2019-06-28 | Double-power driving system of electric tractor |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217089A (en) * | 2019-06-28 | 2019-09-10 | 洛阳智能农业装备研究院有限公司 | A kind of electric tractor is double to set power-driven system |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110217089A (en) * | 2019-06-28 | 2019-09-10 | 洛阳智能农业装备研究院有限公司 | A kind of electric tractor is double to set power-driven system |
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