CN214274376U

CN214274376U - High-low speed electric drive operation composite device

Info

Publication number: CN214274376U
Application number: CN202120350875.XU
Authority: CN
Inventors: 徐海港; 葛洪恩; 李光杰; 任冬梅; 张在静
Original assignee: Shandong Shifeng Group Co Ltd
Current assignee: Shandong Shifeng Group Co Ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-09-24
Anticipated expiration: 2031-02-08

Abstract

The utility model discloses a high low-speed electric drive operation set composite belongs to power machinery technical field. The automatic transmission system comprises a traveling system driving mechanism, a PTO driving mechanism and a vehicle control unit, wherein the traveling system driving mechanism comprises a motor I, a shaft I, a speed change mechanism and a differential mechanism, the speed change mechanism realizes gear change of a first gear, a second gear, a third gear and a fourth gear through a three-position electric push rod and a slip synchronizer, the high-low gear change of the traveling system is realized through a high-low gear switching assembly, the PTO driving mechanism is connected with a motor II, and power is provided for the PTO driving mechanism through the motor II. The utility model discloses the structure adopts bi-motor difference drive traveling system and power take off, can satisfy different mode to the demand of power through the independent control to the motor, switches through traveling system's height gear, can realize the high-speed and the low-speed of main variable speed, but furthest provides the speed of traveling and furthest provides stable walking power, but bi-motor setting greatly reduced complete machine cost simultaneously.

Description

High-low speed electric drive operation composite device

Technical Field

The utility model relates to a high low-speed electric drive operation set composite belongs to power machinery technical field.

Background

As a power machine, the problem of low intelligent degree is urgently needed to be solved, the traditional mechanical mechanism is not flexible to operate, the gear shifting operation is experienced, and the energy consumption index completely depends on the proficiency of a driver. At present, the electric vehicle is driven by a single motor, so that the power consumption is high, the requirement on the power characteristic of the motor is high, the heat dissipation performance is poor, and the fault is easy to occur. In order to pursue larger power, a motor needs to be increased, so that the cost of the whole machine is high, meanwhile, a mechanical device is still adopted in a power output part, a single motor is difficult to control at a constant speed, and a set of mechanical structure or electro-hydraulic structure is added, so that the cost is increased, the continuous tillage operation and the continuous mileage are seriously influenced, and the continuous tillage operation and the continuous mileage are not accepted by users.

Disclosure of Invention

To the above-mentioned defect that exists among the prior art, the utility model provides a shift convenience, the energy consumption is little, whole quick-witted with low costs high low-speed electric drive operation set composite.

The utility model discloses a realize through following technical scheme: the utility model provides a high low-speed electric drive operation set composite, includes running system actuating mechanism, PTO actuating mechanism, vehicle control unit, characterized by: the traveling system driving mechanism comprises a motor I, a shaft I, a speed change mechanism and a differential mechanism, wherein an input driving gear is arranged on an output shaft of the motor I, an input driven gear, a first gear and second gear driving gear, a third gear driving gear and a fourth gear driving gear are sequentially arranged on the shaft I, the input driven gear is meshed with the input driving gear, a slip synchronizer is arranged between the third gear driving gear and the fourth gear driving gear, the speed change mechanism comprises a shaft II and a hollow shaft II sleeved on the shaft II, a first gear driven gear, a second gear driven gear, a third gear meshing gear and a fourth gear meshing gear are sequentially arranged on the hollow shaft II, the first gear and the second gear driving gear can be respectively meshed with the first gear driven gear and the second gear driven gear through a three-position electric push rod, the third gear meshing gear and the fourth gear meshing gear are respectively meshed with the third gear driving gear and the fourth gear driving gear, a high-low gear switching assembly is arranged on the shaft II and comprises an integrated gear set, a hollow shaft end gear, a shifting fork type slider and a composite gear, the composite gear comprises a high-speed gear and a low-speed gear, the integrated gear set is connected with the shaft I through a bearing, the hollow shaft end gear is connected with the hollow shaft II, one end gear of the integrated gear set is meshed with the hollow shaft end gear, the shifting fork type slider is fixedly connected with the composite gear, the composite gear can be respectively meshed with the hollow shaft end gear and the other end gear of the integrated gear set through the shifting fork type slider, and the output end of the shaft II is in meshed transmission with the differential through the gears; the PTO driving mechanism is connected with a motor II; and the motor I, the motor II, the three-position electric push rod and the sliding synchronizer are all in communication connection with the whole vehicle controller.

The utility model discloses in, motor I is used for providing power for walking the line system, and motor II is used for providing power for power take off. The motor I, the motor II, the three-position electric push rod and the sliding synchronizer can be controlled through the whole vehicle controller, the first gear and the second gear driving gears can be controlled to be meshed with the first gear driven gear or the second gear driven gear through the three-position electric push rod, the gear change of the first gear and the second gear is achieved, the meshing transmission of the third gear driving gear or the fourth gear driving gear can be controlled through the sliding synchronizer, and the gear change of the third gear or the fourth gear is achieved. When reversing gear, I reversal of motor can realize. And the motor II drives the PTO driving mechanism to transmit power to the power output device. The motor II can be adjusted in speed in real time under the action of the whole vehicle controller, the fixed rotating speed of the power output device is guaranteed according to the speed ratio, and the requirement of the power output device on the rotating speed is met. The high-low gear switching assembly is used for switching the high-low gear position of a traveling system, when the shifting fork type slider moves left, the high-speed gear of the composite gear is meshed with the hollow shaft end gear, the high speed of main speed change is achieved, high-speed constant power is provided, particularly, working conditions such as a transition mode and road traveling are achieved, the gear shifting mechanism of the speed change mechanism is matched, 1/2/3/4 gear scientific switching is achieved, the power requirement is met, the motor I continuously works in a power efficient area, on the one hand, power is saved, and meanwhile, the traveling speed is provided to the greatest extent. When shifting fork slider moves to the right, the low-speed gear of composite gear and the right-hand member gear engagement of integration gear train realize the low-speed of main variable speed, provide low-speed big moment of torsion, provide big power for farmland operation, transition very much, including special operating mode such as climbing, cooperation speed change mechanism's gearshift realizes 1/2/3/4 fender position science switching, satisfies the power demand, makes motor I continuously work in the high-efficient district of power, the power saving on the one hand, furthest provides simultaneously and stabilizes the walking power.

Furthermore, the PTO driving mechanism is provided with a high gear and a low gear, an output gear III, a low gear input gear I, a high gear input gear II and a power output shaft II are arranged on a power output shaft I of the PTO driving mechanism, the low gear input gear I and the high gear input gear II are respectively meshed with the low gear output gear I and the high gear output gear II which are arranged on the power output shaft II, and a sliding shifter is arranged between the low gear output gear I and the high gear output gear II. The high and low gears of the power output can be selected through the sliding gear shifter, and the requirements of the power output device are met.

The utility model has the advantages that: the structure of the utility model respectively drives the walking system and the power output device through the double-motor arrangement, and the requirements of different working modes on power can be met through the independent control of the motors; the power output device is controlled by a single motor, so that the requirements of the power output device on different rotating speeds can be conveniently met, and the stepless rotating speed can be provided for power output for the current stepless speed change farm tool; the traveling system adopts a high-low gear design, so that the motor I can continuously work in a power efficient area, on one hand, electricity is saved, meanwhile, the traveling speed and the stable traveling power can be provided to the maximum extent, the power is excellent, the energy consumption is low, and meanwhile, the cost of the whole machine can be greatly reduced due to the arrangement of double motors. In addition, the power output device adopts a high-low gear design, and the rotating speed requirement of the power output device can be met.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

in the figure, 1, motors I, 2, motors II, 3, an electronic pedal, 4, a battery pack and a battery control system, 5, a whole vehicle controller, 6, a control terminal, 7, a differential, 8, a left half shaft, 9, a right half shaft, 10, a three-position electric push rod, 11, an input driving gear, 12, an input driven gear, 13, a first gear driving gear and a second gear driving gear, 14, a first gear driven gear, 15, a second gear driven gear, 16, a third gear driving gear, 17, a third gear meshing gear, 18, a fourth gear driving gear, 19, a fourth gear meshing gear, 20, a glider, 21, an input gear I, 22, an intermediate gear II, 23, an output gear III, 24, a low gear input gear I, 25, a high gear input gear II, 26, a low gear output gear I, 27, a high gear output gear II, 28, a hollow shaft II, 29, a shaft II, 30, a shaft I, 31, a vehicle speed sensor, 32. the power output shaft I, 33, the power output shaft II, 49, the slip synchronizer, 521, the integrated gear set, 522, the hollow shaft end gear, 523, the shifting fork type slider, 526, the composite gear, 5261, the high-speed gear, 5262 and the low-speed gear.

Detailed Description

The invention will now be further described by way of non-limiting examples with reference to the accompanying drawings:

as shown in the attached drawings, the high-low speed electric drive operation composite device comprises a traveling system driving mechanism, a PTO driving mechanism and a vehicle control unit 5. The traveling system driving mechanism comprises a motor I1, a shaft I30, a speed change mechanism and a differential mechanism 7. An input driving gear 11 is arranged on an output shaft of the motor I1, and an input driven gear 12, a first-gear driving gear and a second-gear driving gear 13, a third-gear driving gear 16 and a fourth-gear driving gear 18 are sequentially arranged on the shaft I30. The input driven gear 12 is engaged with the input drive gear 11, and a slip synchronizer 49 is provided between the third drive gear 16 and the fourth drive gear 18. The speed change mechanism comprises a shaft II 29 and a hollow shaft II 28 sleeved on the shaft II 29, wherein a first-gear driven gear 14, a second-gear driven gear 15, a third-gear meshing gear 17 and a fourth-gear meshing gear 19 are sequentially arranged on the hollow shaft II 28, the first-gear driving gear 13 and the second-gear driving gear 13 can be respectively meshed with the first-gear driven gear 14 and the second-gear driven gear 15 through a three-position electric push rod 10, and the third-gear meshing gear 17 and the fourth-gear meshing gear 19 are respectively meshed with the third-gear driving gear 16 and the fourth-gear driving gear 18. The first gear driving gear 13 and the second gear driving gear 13 can be respectively meshed with the first gear driven gear 14 and the second gear driven gear 15 through the three-position electric push rod 10 to realize gear shifting of the first gear and the second gear, and the third gear driving gear 16 and the fourth gear driving gear 18 realize meshing transmission with the third gear meshing gear 17 and the fourth gear meshing gear 19 through the slip synchronizer 49 to realize shifting of the third gear and the fourth gear. The high-low gear shifting assembly is arranged on the shaft II 29 and comprises an integrated gear set 521, a hollow shaft end gear 522, a shifting fork type slider 523 and a composite gear 526, wherein the composite gear 526 comprises a high-speed gear 5261 and a low-speed gear 5262, the integrated gear set 521 is connected with the shaft I30 through a bearing, and the integrated gear set 521 comprises a left end gear and a right end gear. The hollow shaft end gear 522 is connected with the hollow shaft II 28, and the hollow shaft end gear 522 is a lengthened gear. The left end gear of the integrated gear set 521 is meshed with the hollow shaft end gear 522. The shifting fork type slider 523 is fixedly connected with the composite gear 526, the high-speed gear 5261 and the low-speed gear 5262 of the composite gear 526 can be respectively meshed with the hollow shaft end gear 522 and the right end gear of the integrated gear set 521 through the shifting fork type slider 523, namely when the shifting fork type slider 523 moves left, the high-speed gear 5261 of the composite gear 526 is meshed with the hollow shaft end gear 522 to realize high-speed output, and when the shifting fork type slider 523 moves right, the low-speed gear 5262 of the composite gear 526 is meshed with the right end gear of the integrated gear set 521 to realize low-speed output. The output end of the shaft II 29 is connected with a gear, the gear is in meshing transmission with the differential mechanism 7, and power is transmitted to the left half shaft 8 and the right half shaft 9 of the traveling system through the differential mechanism 7, so that traveling of the traveling system is realized. And the PTO driving mechanism is connected with the motor II 2 and is independently driven by the motor II 2 to realize power output. The PTO drive mechanism is prior art, and in order to meet different rotational speed requirements of the PTO, in this embodiment, the PTO drive mechanism is further provided with a high gear and a low gear. The concrete structure is as follows: including motor II 2, gear drive is including setting up input gear I21 on the output shaft of motor II 2, set up intermediate gear II 22 on the jackshaft, set up output gear III 23 on power output shaft I32, low gear input gear I24, high gear input gear II 25, set up low gear output gear I26 on power output shaft II 33, high gear output gear II 27, intermediate gear II 22 meshes with input gear I21 and output gear III 23 respectively, be provided with the selector 20 that slides between low gear output gear I26 and the high gear output gear II 27, low gear output gear I26 and high gear output gear II 27 mesh with low gear input gear I24 and high gear input gear II 25 respectively, can realize the high-low gear through the selector 20 that slides and shift. The motor I1, the motor II 2, the three-position electric push rod 10, the sliding synchronizer 49 and the sliding gear shifter 20 are in communication connection with the vehicle control unit 5 (namely VCU). The vehicle control unit 5 is also connected with a battery pack and battery control system 4, an electronic pedal 3, a control terminal 6 and a vehicle speed sensor 31. The vehicle control unit 5 is connected with the electronic pedal 3 through a data line to realize CAN communication. The vehicle control unit 5, the three-position electric push rod, the sliding synchronizer, the sliding shifter and the shifting fork type slider 523 in the embodiment are all the prior art.

The utility model discloses in, can control motor I, motor II, tribit electric push rod 10, synchronous ware 49, the selector 20 etc. that slides through vehicle control unit 5. The motor I1 provides power for a walking system, the switching of the first gear, the second gear, the third gear and the fourth gear can be realized by controlling the three-position electric push rod 10 and the slip synchronizer 49, and the walking speed requirements under different working conditions are met. When reversing gear, I reversal of motor can realize. The motor II 2 is used for providing power for the power output device, the motor II 2 can regulate speed in real time, the fixed rotating speed of the PTO is guaranteed according to the speed ratio, the rotating speed of the domestic PTO adaptive agricultural machine tool at present has five rotating speeds of 540, 720, 760, 1000 and 850r/min, the rotating speed requirement of the PTO can be met under the control of the vehicle control unit 5, and meanwhile, for the current continuously variable machine tool, the motor II 2 regulates speed in compound transmission in real time, and stepless rotating speed is provided for power output. The high-low gear position of the traveling system of the high-low gear switching assembly is switched, when the shifting fork type slider 523 moves left, the high-speed gear 5261 of the composite gear 526 is meshed with the hollow shaft end gear 522, the high speed of main speed change is realized, high-speed constant power is provided, particularly, working conditions such as a transition mode and road traveling are realized, a gear shifting mechanism of the speed change mechanism is matched, 1/2/3/4 gear scientific switching is realized, the power requirement is met, the motor I1 continuously works in a power efficient area, on the one hand, power is saved, and meanwhile, the traveling speed is provided to the greatest extent. When the shifting fork type slider 523 moves to the right, the low-speed gear 5262 of the composite gear 526 is meshed with the right-end gear of the integrated gear set 521, so that the low speed of main speed change is realized, low-speed large torque is provided, large power is particularly provided for farmland operation and transition, special working conditions including climbing and the like are adopted, the gear shifting mechanism of the speed change mechanism is matched, the 1/2/3/4 gear scientific switching is realized, the power requirement is met, the motor I continuously works in a power efficient area, on one hand, electricity is saved, and meanwhile, stable walking power is provided to the maximum extent. The shifting of high and low gears of the power output end can be carried out by sliding the gear shifter 20 so as to meet the requirements of different power operations.

The control terminal 6 is provided with settings such as high gear, low gear, first gear/second gear/third gear/fourth gear/reverse gear mode, PTO high/low, PTO rotating speed and the like, and a man-machine interaction interface for manual input and information communication with the vehicle control unit 5. The vehicle control unit 5 executes the requirements of the control terminal 6, controls the movement of each component, realizes composite operation, and limits the opening of the electronic throttle, namely the unlimited increase of current and effectively manages energy according to the working condition power requirements after the calculation of the vehicle control unit under the condition of artificially controlling the opening of the electronic throttle, thereby ensuring the energy saving performance of the whole vehicle and increasing the continuous load operation mileage.

Other parts in this embodiment are the prior art, and are not described herein again.

Claims

1. The utility model provides a high low-speed electric drive operation set composite, includes running system actuating mechanism, PTO actuating mechanism, vehicle control unit (5), characterized by: the traveling system driving mechanism comprises a motor I (1), a shaft I (30), a speed change mechanism and a differential (7), an input driving gear (11) is arranged on an output shaft of the motor I (1), an input driven gear (12), a first gear and a second gear driving gear (13), a third gear driving gear (16) and a fourth gear driving gear (18) are sequentially arranged on the shaft I (30), the input driven gear (12) is meshed with the input driving gear (11), a sliding synchronizer (49) is arranged between the third gear driving gear (16) and the fourth gear driving gear (18), the speed change mechanism comprises a shaft II (29) and a hollow shaft II (28) sleeved on the shaft II (29), a first gear driven gear (14), a second gear driven gear (15), a third gear meshed gear (17) and a third gear meshed gear (17) are sequentially arranged on the hollow shaft II (28), A fourth-gear meshing gear (19), the first-gear driving gear and the second-gear driving gear (13) can be respectively meshed with the first-gear driven gear (14) and the second-gear driven gear (15) through a three-position electric push rod (10), the third-gear meshing gear (17) and the fourth-gear meshing gear (19) are respectively meshed with the third-gear driving gear (16) and the fourth-gear driving gear (18), a high-low gear switching assembly is arranged on the shaft II (29), the high-low gear switching assembly comprises an integrated gear set (521), a hollow shaft end gear (522), a shifting fork type slider (523) and a composite gear (526), the composite gear (526) comprises a high-speed gear (5261) and a low-speed gear (5262), the integrated gear set (521) is connected with the shaft I (30) through a bearing, and the hollow shaft end gear (522) is connected with the hollow shaft II (28), one end gear of the integrated gear set (521) is meshed with the hollow shaft end gear (522), the shifting fork type slider (523) is fixedly connected with the compound gear (526), the compound gear (526) can be respectively meshed with the hollow shaft end gear (522) and the other end gear of the integrated gear set (521) through the shifting fork type slider (523), and the output end of the shaft II (29) is in meshed transmission with the differential (7) through a gear; the PTO driving mechanism is connected with a motor II (2); the motor I (1), the motor II (2), the three-position electric push rod (10) and the sliding synchronizer (49) are in communication connection with the whole vehicle controller (5).

2. The high-low speed electric drive operation combination device according to claim 1, wherein: the PTO driving mechanism is provided with a high gear and a low gear, an output gear III (23), a low gear input gear I (24), a high gear input gear II (25) and a power output shaft II (33) are arranged on a power output shaft I (32), the low gear input gear I (24) and the high gear input gear II (25) are respectively meshed with a low gear output gear I (26) and a high gear output gear II (27) which are arranged on the power output shaft II (33), and a sliding shifter (20) is arranged between the low gear output gear I (26) and the high gear output gear II (27).