CN103213489A - Floating stator motor, hybrid power driving system and hybrid power tractor - Google Patents
Floating stator motor, hybrid power driving system and hybrid power tractor Download PDFInfo
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- CN103213489A CN103213489A CN2013101073448A CN201310107344A CN103213489A CN 103213489 A CN103213489 A CN 103213489A CN 2013101073448 A CN2013101073448 A CN 2013101073448A CN 201310107344 A CN201310107344 A CN 201310107344A CN 103213489 A CN103213489 A CN 103213489A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
The invention relates to a floating stator motor, a hybrid power driving system and a hybrid power tractor. The floating stator motor comprises a motor shell, wherein an inner rotor and an outer rotor of which rotating axes extend along a front-back direction are rotationally arranged on the motor shell; a locking device is arranged between the outer rotor and the motor shell and is provided with a fixed end which is fixedly connected with the motor shell and a moving end which is capable of radially expanding and contracting towards the outer rotor; the moving end is provided with a locking position which is matched with the outer rotor in a blocking manner so as to enable the outer rotor and the motor shell to be relatively fixed, and an unlocking position which leaves the outer rotor so as to enable the outer rotor and the motor shell to relatively rotate; and a power output end of the floating stator motor is arranged on the inner rotor, and power input ends of the floating stator motor are arranged on the inner rotor and the outer rotor. The invention provides the floating stator motor which can realize two power coupling modes, namely torque coupling and rotating speed coupling, and meanwhile provides the hybrid power driving system and the hybrid power tractor which can output high torque and high rotating speeds.
Description
Technical field
The present invention relates to technical field of hybrid power, relate in particular to a kind of floating fixed sub-motor and use the hybrid power trac. and the hybrid electric drive system of this motor.
Background technology
Along with the fast development of science and technology, problems such as lack of energy and environmental pollution become more and more outstanding.Its main acting body is present for trac.: on agricultural, be used for the field farming, traction and driving farm implements carry out farming; In industry and life, traction and transportation heavy wares.Traditional trac. adopts diesel engine as propulsion source more at present, not only discharging is abominable, resource consumes petroleum, and, usually need complicated power conversion device because its tractive force is had relatively high expectations, especially for satisfying the multi-speed gear box structure under the High power Traction, the R﹠D costs of trac. and the operation easier of chaufeur have been increased greatly, and be difficult to guarantee that driving engine operates in the best power district, the economy of fuel oil is relatively poor, and those skilled in the art are attempting the use hybrid power and solving this problem.
And existing hybrid power system such as Chinese patent literature CN101797884A disclosed " Duel-clutch stepless speed change series parallel hybrid power system ", this hybrid power system comprises be in transmission connection ISG motor on power take-off shaft of engine unit with power take-off shaft and rotor, the stator of ISG motor is fixed on the housing of ISG motor, and the ISG motor is in transmission connection by transmission device and corresponding line travelling wheel.When the output torque in the engine power unit is not enough, ISG electrical power, the power take-off shaft torque coupling of the rotor of ISG motor and engine unit, thereby the output torque of increase hybrid power system.But the problem that existing this hybrid power system exists is: the ISG motor can only with engine power unit torque coupling, and can not carry out other coupled mode, can not be applicable to as using in the loaded engineering trucks such as trac., rig.
Summary of the invention
The object of the present invention is to provide a kind of floating fixed sub-motor that can realize torque coupling and two kinds of power coupled mode of rotating speed coupling; The present invention also aims to provide a kind of hybrid electric drive system and hybrid power trac. that uses this floating fixed sub-motor.
In order to address the above problem, the technical scheme of floating fixed sub-motor is among the present invention:
The floating fixed sub-motor, comprise electric machine casing, rotate on the electric machine casing and be provided with pivot center along in the fore-and-aft direction extension, outer rotor, be provided with mechanical brake between outer rotor and the electric machine casing, mechanical brake has the fixed end of captiveing joint with electric machine casing and the motion end of rotor direction radial expansion outwardly, motion end has and cooperates with the outer rotor block so that the relatively-stationary locking of outer rotor and electric machine casing position and get out of the way outer rotor so that outer rotor and electric machine casing are separated lock-bit in relative rotation, the clutch end of floating fixed sub-motor is arranged on the described internal rotor, and the power intake of floating fixed sub-motor is arranged on described internal rotor and the outer rotor.
Described outer rotor comprises the outer rotor core and is fixedly arranged on the shell-like rotor case of outer rotor core periphery, the clutch end of floating fixed sub-motor is arranged at the front end of internal rotor, the power intake of floating fixed sub-motor is arranged at the rear end of internal rotor, the rotor case of outer rotor be provided with the power intake rear that extands rearward on the internal rotor in the structure that turns edge, another power intake of floating fixed sub-motor is arranged on the structure that turns edge in described.
The technical scheme of hybrid electric drive system is among the present invention:
Hybrid electric drive system, comprise engine power unit with power take-off shaft and the floating fixed sub-motor that is in transmission connection on described power take-off shaft, the floating fixed sub-motor comprises electric machine casing, rotate on the electric machine casing and be provided with pivot center along in the fore-and-aft direction extension, outer rotor, be provided with mechanical brake between outer rotor and the electric machine casing, mechanical brake has the fixed end of captiveing joint with electric machine casing and the motion end of rotor direction radial expansion outwardly, motion end has and cooperates with the outer rotor block so that the relatively-stationary locking of outer rotor and electric machine casing position and get out of the way outer rotor so that outer rotor and electric machine casing are separated lock-bit in relative rotation, the clutch end of floating fixed sub-motor is arranged on the described internal rotor, the power intake of floating fixed sub-motor is arranged on described internal rotor and the outer rotor, be provided with the first clutch that the power intake on independent selection of power take-off shaft and the described internal rotor is in transmission connection between described power take-off shaft and the floating fixed sub-motor, also be provided with the second clutch that the power intake on independent selection of power take-off shaft and the outer rotor is in transmission connection between power take-off shaft and the floating fixed sub-motor.
Described first, power-transfer clutch is arranged on the described power take-off shaft along the axially spaced-apart of described power take-off shaft, described outer rotor comprises the outer rotor core and is fixedly arranged on the shell-like rotor case of outer rotor core periphery, the clutch end of floating fixed sub-motor is arranged at the front end of internal rotor, the power intake of floating fixed sub-motor is arranged at the rear end of internal rotor, the rotor case of outer rotor be provided with the power intake rear that extands rearward on the internal rotor in the structure that turns edge, another power intake of floating fixed sub-motor is arranged on the structure that turns edge in described.
The technical scheme of hybrid power trac. is among the present invention:
The hybrid power trac., comprise the vehicle frame that is provided with traveling gear, also comprise the hybrid electric drive system that is arranged on the vehicle frame, hybrid electric drive system comprises engine power unit with power take-off shaft and the floating fixed sub-motor that is in transmission connection on described power take-off shaft, the floating fixed sub-motor comprises electric machine casing, rotate on the electric machine casing and be provided with pivot center along in the fore-and-aft direction extension, outer rotor, be provided with mechanical brake between outer rotor and the electric machine casing, mechanical brake has the fixed end of captiveing joint with electric machine casing and the motion end of rotor direction radial expansion outwardly, motion end has and cooperates with the outer rotor block so that the relatively-stationary locking of outer rotor and electric machine casing position and get out of the way outer rotor so that outer rotor and electric machine casing are separated lock-bit in relative rotation, the clutch end of floating fixed sub-motor is arranged on the described internal rotor, the power intake of floating fixed sub-motor is arranged on described internal rotor and the outer rotor, be provided with the first clutch that the power intake on independent selection of power take-off shaft and the described internal rotor is in transmission connection between described power take-off shaft and the floating fixed sub-motor, also be provided with the second clutch that the power intake on independent selection of power take-off shaft and the outer rotor is in transmission connection between power take-off shaft and the floating fixed sub-motor.
Described first, power-transfer clutch is arranged on the described power take-off shaft along the axially spaced-apart of described power take-off shaft, described outer rotor comprises the outer rotor core and is fixedly arranged on the shell-like rotor case of outer rotor core periphery, the clutch end of floating fixed sub-motor is arranged at the front end of internal rotor, the power intake of floating fixed sub-motor is arranged at the rear end of internal rotor, the rotor case of outer rotor be provided with the power intake rear that extands rearward on the internal rotor in the structure that turns edge, another power intake of floating fixed sub-motor is arranged on the structure that turns edge in described.
Described engine power unit comprises driving engine and the change speed gear box on the clutch end of driving engine of being in transmission connection, described change speed gear box comprises the clutch spindle that the clutch end with driving engine of gear box casing and upward rotation setting thereof is in transmission connection, also rotate on the gear box casing and be provided with second of change speed gear box be arrangeding in parallel with clutch spindle and be arranged in parallel with second of change speed gear box, and be used to the into change speed gear box third axle of grade takeoff output, described change speed gear box first, two by the connection of one-level gear transmission, on second of the change speed gear box vertically coaxial spaced be installed with fourth speed gear, 3rd gear, second speed gear and one grade of gear, on the change speed gear box third axle vertically the coaxial spaced turning set be provided with respectively and fourth speed gear, 3rd gear, the fourth gear mate gear of second speed gear and one grade of meshed transmission gear, the third gear mate gear, second gear mate gear and one grade of mate gear, described change speed gear box third axle be provided with can select with third gear mate gear or fourth gear mate gear be in transmission connection three, the fourth gear synchro and can select with second gear mate gear or one grade of mate gear be in transmission connection one, the second gear synchro; Also rotate on the gear box casing and be provided with the 4th of change speed gear box that the change speed gear box idler shaft reaches and the change speed gear box idler shaft be arranged in parallel that be arranged in parallel with second of change speed gear box and the reverse gear shaft that is used for the reverse gear takeoff output, the 4th of change speed gear box and reverse gear shaft are coaxially set, the 4th of second of described change speed gear box idler shaft and change speed gear box and change speed gear box pass through the one-level gear transmission respectively, be provided with between the 4th of change speed gear box and the reverse gear shaft and realize its transmission between the two or open circuited reverse gear shaft synchro, the power take-off shaft of described engine power unit is arranged on the described change speed gear box, described change speed gear box third axle and reverse gear shaft selectable separately and power take-off shaft be in transmission connection.
Described change speed gear box third axle and clutch spindle are coaxially set.
Be connected with auxiliary gear box on the clutch end of described floating fixed sub-motor, described auxiliary gear box comprises the auxiliary gear box primary shaft that the clutch end with the floating fixed sub-motor of transfer case housing and upward rotation setting thereof is in transmission connection, also rotate on the described transfer case housing to be provided with and be arranged in parallel with the auxiliary gear box primary shaft, be used for to second of the auxiliary gear box of the farm tractor front axle outputting power of traveling gear and be used for auxiliary gear box third axle to the tractor rear axle outputting power of traveling gear, and the 5th of the auxiliary gear box that is coaxially set with the auxiliary gear box primary shaft, the 5th of auxiliary gear box and auxiliary gear box second, three are in transmission connection by each self-corresponding gear drive respectively, are provided with between the 5th of auxiliary gear box primary shaft and the auxiliary gear box to realize its transmission between the two or open circuited auxiliary gear box synchro; Also rotate on the described transfer case housing be provided be arranged in parallel with the auxiliary gear box third axle and be used for to the 4th of the auxiliary gear box of corresponding car kits outputting power and with the 4th auxiliary gear box idler shaft that be arranged in parallel of auxiliary gear box, be installed with while and auxiliary gear box primary shaft and the 4th idler shaft transmission gear of going up the respective gears engaged transmission of auxiliary gear box on the described auxiliary gear box idler shaft, described auxiliary gear box third axle and described auxiliary gear box idler shaft are coaxially set.
Beneficial effect of the present invention is: the floating fixed sub-motor can utilize the electric energy of corresponding storage battery to send power on the one hand; On the other hand, can be by the conversion first clutch, the array mode of second clutch and mechanical brake is selected the power coupled mode: when hanging down the speed of a motor vehicle, first clutch engages, second clutch disconnects, mechanical brake is fixed in outer rotor on the electric machine casing simultaneously, this provides certain torque as internal rotor the floating fixed sub-motor, this moment power take-off shaft and internal rotor coupled drive, the output torque of internal rotor equals the torque that the floating fixed sub-motor provides for internal rotor and the torque sum of power take-off shaft, realized the torque coupling pattern of engine power unit and floating fixed sub-motor, car load has bigger tractive force; When the high speed of a motor vehicle, first clutch disconnects, second clutch engages, mechanical brake discharges outer rotor simultaneously, the floating fixed sub-motor itself makes internal rotor have the rotating speed of a relative outer rotor, this moment power take-off shaft and outer rotor coupled drive, outer rotor has the rotating speed identical with power take-off shaft, the output speed of internal rotor is the rotating speed sum of the rotating speed and the power take-off shaft of the relative outer rotor of internal rotor, realized the rotating speed coupled mode of engine power unit and floating fixed sub-motor, thereby improved when non-road running mode or the intertillage or the cultivated desinsection in back during farming of used with tractor during in no-load or underload, the moving velocity of light tractive load operating mode such as weeding.And can keep engine speed to be in the optimal economic discharge region.Because the power coupled mode can be changed as required, when torque coupling, has than the better tractive property of traditional trac.; When rotating speed is coupled, the form speed of trac. when the participation of the output speed of floating fixed sub-motor has improved little the load greatly.Make this hybrid power trac. break away from the characteristics that traditional low-speed tractor high pulling torque needs complicated power transfer structure simultaneously, simple in structure, easy to operate, fuel economy is good.
Description of drawings
Fig. 1 is the structural representation of an embodiment of hybrid power trac. among the present invention, also is the running condition figure of an embodiment of hybrid electric drive system among the present invention simultaneously;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the back view of Fig. 1;
Fig. 4 is the structural representation that adds in Fig. 1 behind holding storage battery and the battery controller;
Fig. 5 is the structural representation of change speed gear box among Fig. 1;
Fig. 6 be floating fixed sub-motor and change speed gear box among Fig. 1 power take-off shaft cooperate scheme drawing, also be the running condition figure of floating fixed sub-motor embodiment among the present invention simultaneously;
Fig. 7 is the structural representation of auxiliary gear box among Fig. 1;
Fig. 8 is the control structure figure of hybrid power trac. among the present invention.
The specific embodiment
A kind of embodiment of hybrid power trac. is shown in Fig. 1 ~ 8: comprise the vehicle frame that is provided with traveling gear and be arranged at hybrid electric drive system on the vehicle frame, traveling gear comprises farm tractor front axle 2 and tractor rear axle 9, be connected with front walking wheel 1 on the farm tractor front axle, be connected with rear walking wheel 8 on the tractor rear axle.Hybrid electric drive system comprises along the driving engine 3 of transmission of power direction transmission setting successively, change speed gear box 5, floating fixed sub-motor 6 and is used for the auxiliary gear box 7 of dynamic branch to farm tractor front axle, tractor rear axle and corresponding car kits, driving engine and change speed gear box have constituted the engine power unit, are provided with three-clutch 4 between driving engine 3 and the change speed gear box 5.The floating fixed sub-motor comprises that electric machine casing 17 and interior coaxial line thereof rotate internal rotor 21 and the outer rotor 18 that is provided with, the pivot center of inside and outside rotor extends along fore-and-aft direction, be provided with mechanical brake 19 between outer rotor 18 and the electric machine casing, mechanical brake has the fixed end of captiveing joint with electric machine casing and the motion end of rotor direction radial expansion outwardly, motion end has and cooperates with the outer rotor block so that the relatively-stationary locking of outer rotor and electric machine casing position and get out of the way outer rotor so that outer rotor and electric machine casing are separated lock-bit in relative rotation, and mechanical brake can be a drg.The clutch end of floating fixed sub-motor is arranged on the internal rotor, the power intake of floating fixed sub-motor is arranged on internal rotor and the outer rotor, outer rotor comprises outer rotor core 18-1 and is fixedly arranged on the shell-like rotor case 18-2 of outer rotor core periphery, the clutch end of floating fixed sub-motor is arranged at the front end of internal rotor, the power intake of floating fixed sub-motor is arranged at the rear end of internal rotor, the rotor case of outer rotor be provided with the power intake rear that extands rearward on the internal rotor in the structure 18-3 that turns edge, another power intake of floating fixed sub-motor is arranged on the structure that turns edge in this.The power take-off shaft 14 of change speed gear box 5 has constituted the power take-off shaft of engine power unit, power take-off shaft upper edge axially spaced-apart be provided with can select separately with internal rotor 21 on the first clutch 16 that is in transmission connection of power intake and the second clutch 15 that is in transmission connection with power intake on the outer rotor 18.The rotor dynamic output shaft of part 20 expression internal rotors among the figure; Part 13 expression power transmission shafts; Part 10 expression is used for the auxiliary gear box power take-off shaft that is in transmission connection with car kits.Vehicle frame among this hybrid power trac. embodiment adopts central frame, and wherein circuit all is fixed on the vehicle frame by wire clamp.The below of change speed gear box and floating fixed sub-motor is welded with support respectively, makes the power take-off shaft of change speed gear box identical with the axis height of the internal rotor of floating fixed sub-motor.
Change speed gear box among the above-mentioned hybrid power trac. embodiment comprises the clutch spindle 23 that the clutch end with driving engine of gear box casing and upward rotation setting thereof is in transmission connection, also rotate on the gear box casing and be provided with second 44 of change speed gear box be arrangeding in parallel with clutch spindle 23 and be provided with clutch spindle tube axis, be used to the into change speed gear box third axle 39 of grade takeoff output, be installed with clutch spindle transmission gear 22 on the clutch spindle, be installed with change speed gear box second shaft transmission gear 25 on second 44 of the change speed gear box with clutch spindle transmission gear 22 engaged transmission, on second of the change speed gear box also vertically coaxial spaced be installed with fourth speed gear 30,3rd gear 33, second speed gear 34 and one grade of gear 35, on the change speed gear box third axle vertically the coaxial spaced turning set be provided with respectively and fourth speed gear, 3rd gear, the fourth gear mate gear 43 of second speed gear and one grade of meshed transmission gear, third gear mate gear 41, second gear mate gear 40 and one grade of mate gear 38, change speed gear box third axle be provided with can select with third gear mate gear or fourth gear mate gear be in transmission connection three, fourth gear synchro 42 and can select with second gear mate gear or one grade of mate gear be in transmission connection one, second gear synchro 37.By three, the conversion of fourth gear synchro and, second gear synchro selects, and can make the different gear rotating speed of change speed gear box third axle output.Also rotate on the gear box casing and be provided with the 4th 29 of change speed gear box that change speed gear box idler shaft 26 reaches and the change speed gear box idler shaft be arranged in parallel that be arranged in parallel with second of change speed gear box and the reverse gear shaft 36 that is used for the reverse gear takeoff output, the 4th 29 of change speed gear box and reverse gear shaft 36 are coaxially set, the 4th of second of change speed gear box idler shaft and change speed gear box and change speed gear box pass through the one-level gear transmission respectively, part 27 expression is arranged at the idle pulley on the idler shaft 26, part 28 expressions be arranged on the 4th 29 of the change speed gear box with idle pulley 27 engaged transmission idle pulley mate gears.Be provided with between the 4th of change speed gear box and the reverse gear shaft and realize its transmission between the two or open circuited reverse gear shaft synchro 31, reverse gear shaft is provided with the reverse gear axle head connection gear 32 that is used for reverse gear shaft synchro engaged transmission, and the selectable independent power take-off shaft with described change speed gear box of change speed gear box third axle and reverse gear shaft is in transmission connection.This change speed gear box is arranged four gears according to 1.83 ratio geometric ratio, can cover the speed adjustable range of car load.Each axle head all is assemblied on the gear box casing by bearing 24, and the axle end bearing of non-outputting power is by corresponding packing ring and roller bearing end cap sealing.Wherein change speed gear box third axle and clutch spindle are coaxially set and have reduced the radial dimension of gear box casing, make the structure of whole change speed gear box compact more.In other embodiment of this hybrid power trac., change speed gear box third axle and clutch spindle also can different axis settings, and the gear of change speed gear box can also be three, five or other quantity.
Auxiliary gear box among the above-mentioned hybrid power trac. embodiment comprises the auxiliary gear box primary shaft 46 that the clutch end with the floating fixed sub-motor of transfer case housing and upward rotation setting thereof is in transmission connection, also rotate on the transfer case housing to be provided with and be arranged in parallel with the auxiliary gear box primary shaft, to second 45 of the auxiliary gear box of farm tractor front axle outputting power with to the auxiliary gear box third axle 52 of tractor rear axle outputting power, and the 5th 56 of the auxiliary gear box that is coaxially set with the auxiliary gear box primary shaft, the 5th of auxiliary gear box and auxiliary gear box second, three are in transmission connection by each self-corresponding gear drive respectively, be provided with between the 5th of auxiliary gear box primary shaft and the auxiliary gear box and realize its transmission between the two or open circuited auxiliary gear box synchro 62, auxiliary gear box synchro 62 is arranged on the auxiliary gear box primary shaft, and the 5th of auxiliary gear box is provided with the 5th axle head connection gear 60 that is used for the auxiliary gear box transmission; Also rotate on the transfer case housing and be provided with the auxiliary gear box idler shaft 49 that is coaxially set with the auxiliary gear box third axle and be arranged in parallel with the auxiliary gear box third axle and be used for being installed with on the auxiliary gear box idler shaft simultaneously and auxiliary gear box primary shaft and the 4th idler shaft transmission gear 48 of going up the respective gears engaged transmission of auxiliary gear box to the 4th 51 of the auxiliary gear box of corresponding car kits outputting power.The auxiliary gear box second axial farm tractor front axle transmitting power, the auxiliary gear box third axle has been realized the four wheel drive mode of trac. to the tractor rear axle transmitting power, can make the weight of trac. car load all be used to produce traction; The 4th meeting of auxiliary gear box by the use of auxiliary gear box synchro, can make trac. under dead ship condition always to the car kits transmission simultaneously, and the 4th of auxiliary gear box still can the independent drive car kits carry out work.Being coaxially set of auxiliary gear box idler shaft and auxiliary gear box third axle reduced the radial dimension of whole auxiliary gear box, make auxiliary gear box miniaturization to make, certainly in other embodiment of this hybrid power trac.: auxiliary gear box idler shaft and auxiliary gear box third axle also can be arranged in parallel, and auxiliary gear box can also be only to farm tractor front axle or tractor rear axle transmission.
The master mode of hybrid power trac. is as shown in Figure 8: the hybrid power trac. also comprises entire car controller, engine controller, motor controller 11, clutch controller and storage battery 12 etc., wherein as the engine output P1 of one of propulsion source, after certain conversion via change speed gear box, reach the floating fixed sub-motor; On the one hand, the floating fixed sub-motor absorbs the electric energy of storage battery and send power P 2 under the control of electric machine controller, on the other hand, the floating fixed sub-motor is as driving motor, under the control action of entire car controller, the power that power that driving engine is sent and motor itself send is coupled, and controls coupled modes by the switch various combination mode of adjusting first and second power-transfer clutch and mechanical brake and adopt rotating speed coupled modes or torque coupling mode.Then, the takeoff output after the floating fixed sub-motor confluxes is to auxiliary gear box, and auxiliary gear box reaches power respectively forward and backward bridge of trac. and exterior car kits respectively, thereby finishes travelling and working of car load.Control system is accepted operating instruction from chaufeur by the acceleration pedal on the traveling gear and brake pedal, and accepts the operation variable (state-of-charge of the speed of a motor vehicle, engine speed Throttle Position, storage battery etc.) from other assemblies of car load.Certainly above-mentioned each controller and storage battery can not be the parts of this hybrid power trac. embodiment also, but as outsourcing piece, just can install in use.The control policy of present embodiment is: controlled target is to make the selection of power coupled modes to satisfy the instruction of the power demand that is provided by chaufeur, and to keep the state-of-charge of storage battery simultaneously be high level.Driving engine is the basic motive source, and storage battery is an auxiliary power source.The state-of-charge of storage battery high level can guarantee vehicle High Performance at any time.When the speed of a motor vehicle when demarcating the speed of a motor vehicle, promptly car load is in traction mode, needs higher tractive property, therefore adopts the torque coupling pattern, and provides a part of power with undercompensation by storage battery.When the speed of a motor vehicle when demarcating the speed of a motor vehicle, car load is in driving mode, during the power that when the driving engine tractive output moves less than driving engine optimum operation district, can provide, the state-of-charge that depends on storage battery, if the state-of-charge of storage battery is lower than maximum state-of-charge value, then driving engine operates in the full load state, drive motor with charge a battery; If when the state-of-charge of storage battery was in the fullcharging electricity condition, then driving engine provided tractive output; The power that when the driving engine tractive output moves greater than driving engine optimum operation district, can provide, then driving engine is pressed the operation of optimum operation line, and not enough part power is provided by storage battery.
The embodiment of hybrid electric drive system is shown in Fig. 1 ~ 8: as described in the concrete structure of hybrid electric drive system identical with the hybrid electric drive system described in above-mentioned each hybrid power trac. embodiment, be not described in detail in this.
The embodiment of floating fixed sub-motor is as shown in Figure 6: the concrete outcome of floating fixed sub-motor is identical with the floating fixed sub-motor described in above-mentioned each hybrid power trac. embodiment, is not described in detail in this.
Claims (9)
1. floating fixed sub-motor, it is characterized in that: comprise electric machine casing, rotate on the electric machine casing and be provided with pivot center along in the fore-and-aft direction extension, outer rotor, be provided with mechanical brake between outer rotor and the electric machine casing, mechanical brake has the fixed end of captiveing joint with electric machine casing and the motion end of rotor direction radial expansion outwardly, motion end has and cooperates with the outer rotor block so that the relatively-stationary locking of outer rotor and electric machine casing position and get out of the way outer rotor so that outer rotor and electric machine casing are separated lock-bit in relative rotation, the clutch end of floating fixed sub-motor is arranged on the described internal rotor, and the power intake of floating fixed sub-motor is arranged on described internal rotor and the outer rotor.
2. floating fixed sub-motor according to claim 1, it is characterized in that: described outer rotor comprises the outer rotor core and is fixedly arranged on the shell-like rotor case of outer rotor core periphery, the clutch end of floating fixed sub-motor is arranged at the front end of internal rotor, the power intake of floating fixed sub-motor is arranged at the rear end of internal rotor, the rotor case of outer rotor be provided with the power intake rear that extands rearward on the internal rotor in the structure that turns edge, another power intake of floating fixed sub-motor is arranged on the structure that turns edge in described.
3. hybrid electric drive system, it is characterized in that: comprise engine power unit with power take-off shaft and the floating fixed sub-motor that is in transmission connection on described power take-off shaft, the floating fixed sub-motor comprises electric machine casing, rotate on the electric machine casing and be provided with pivot center along in the fore-and-aft direction extension, outer rotor, be provided with mechanical brake between outer rotor and the electric machine casing, mechanical brake has the fixed end of captiveing joint with electric machine casing and the motion end of rotor direction radial expansion outwardly, motion end has and cooperates with the outer rotor block so that the relatively-stationary locking of outer rotor and electric machine casing position and get out of the way outer rotor so that outer rotor and electric machine casing are separated lock-bit in relative rotation, the clutch end of floating fixed sub-motor is arranged on the described internal rotor, the power intake of floating fixed sub-motor is arranged on described internal rotor and the outer rotor, be provided with the first clutch that the power intake on independent selection of power take-off shaft and the described internal rotor is in transmission connection between described power take-off shaft and the floating fixed sub-motor, also be provided with the second clutch that the power intake on independent selection of power take-off shaft and the outer rotor is in transmission connection between power take-off shaft and the floating fixed sub-motor.
4. hybrid electric drive system according to claim 3, it is characterized in that: described first, power-transfer clutch is arranged on the described power take-off shaft along the axially spaced-apart of described power take-off shaft, described outer rotor comprises the outer rotor core and is fixedly arranged on the shell-like rotor case of outer rotor core periphery, the clutch end of floating fixed sub-motor is arranged at the front end of internal rotor, the power intake of floating fixed sub-motor is arranged at the rear end of internal rotor, the rotor case of outer rotor be provided with the power intake rear that extands rearward on the internal rotor in the structure that turns edge, another power intake of floating fixed sub-motor is arranged on the structure that turns edge in described.
5. hybrid power trac., comprise the vehicle frame that is provided with traveling gear, it is characterized in that: also comprise the hybrid electric drive system that is arranged on the vehicle frame, hybrid electric drive system comprises engine power unit with power take-off shaft and the floating fixed sub-motor that is in transmission connection on described power take-off shaft, the floating fixed sub-motor comprises electric machine casing, rotate on the electric machine casing and be provided with pivot center along in the fore-and-aft direction extension, outer rotor, be provided with mechanical brake between outer rotor and the electric machine casing, mechanical brake has the fixed end of captiveing joint with electric machine casing and the motion end of rotor direction radial expansion outwardly, motion end has and cooperates with the outer rotor block so that the relatively-stationary locking of outer rotor and electric machine casing position and get out of the way outer rotor so that outer rotor and electric machine casing are separated lock-bit in relative rotation, the clutch end of floating fixed sub-motor is arranged on the described internal rotor, the power intake of floating fixed sub-motor is arranged on described internal rotor and the outer rotor, be provided with the first clutch that the power intake on independent selection of power take-off shaft and the described internal rotor is in transmission connection between described power take-off shaft and the floating fixed sub-motor, also be provided with the second clutch that the power intake on independent selection of power take-off shaft and the outer rotor is in transmission connection between power take-off shaft and the floating fixed sub-motor.
6. hybrid power trac. according to claim 5, it is characterized in that: described first, power-transfer clutch is arranged on the described power take-off shaft along the axially spaced-apart of described power take-off shaft, described outer rotor comprises the outer rotor core and is fixedly arranged on the shell-like rotor case of outer rotor core periphery, the clutch end of floating fixed sub-motor is arranged at the front end of internal rotor, the power intake of floating fixed sub-motor is arranged at the rear end of internal rotor, the rotor case of outer rotor be provided with the power intake rear that extands rearward on the internal rotor in the structure that turns edge, another power intake of floating fixed sub-motor is arranged on the structure that turns edge in described.
7. hybrid power trac. according to claim 5, it is characterized in that: described engine power unit comprises driving engine and the change speed gear box on the clutch end of driving engine of being in transmission connection, described change speed gear box comprises the clutch spindle that the clutch end with driving engine of gear box casing and upward rotation setting thereof is in transmission connection, also rotate on the gear box casing and be provided with second of change speed gear box be arrangeding in parallel with clutch spindle and be arranged in parallel with second of change speed gear box, and be used to the into change speed gear box third axle of grade takeoff output, described change speed gear box first, two by the connection of one-level gear transmission, on second of the change speed gear box vertically coaxial spaced be installed with fourth speed gear, 3rd gear, second speed gear and one grade of gear, on the change speed gear box third axle vertically the coaxial spaced turning set be provided with respectively and fourth speed gear, 3rd gear, the fourth gear mate gear of second speed gear and one grade of meshed transmission gear, the third gear mate gear, second gear mate gear and one grade of mate gear, described change speed gear box third axle be provided with can select with third gear mate gear or fourth gear mate gear be in transmission connection three, the fourth gear synchro and can select with second gear mate gear or one grade of mate gear be in transmission connection one, the second gear synchro; Also rotate on the gear box casing and be provided with the 4th of change speed gear box that the change speed gear box idler shaft reaches and the change speed gear box idler shaft be arranged in parallel that be arranged in parallel with second of change speed gear box and the reverse gear shaft that is used for the reverse gear takeoff output, the 4th of change speed gear box and reverse gear shaft are coaxially set, the 4th of second of described change speed gear box idler shaft and change speed gear box and change speed gear box pass through the one-level gear transmission respectively, be provided with between the 4th of change speed gear box and the reverse gear shaft and realize its transmission between the two or open circuited reverse gear shaft synchro, the power take-off shaft of described engine power unit is arranged on the described change speed gear box, described change speed gear box third axle and reverse gear shaft selectable separately and power take-off shaft be in transmission connection.
8. hybrid power trac. according to claim 7 is characterized in that: described change speed gear box third axle and clutch spindle are coaxially set.
9. according to any described hybrid power trac. of claim 5 ~ 8, it is characterized in that: be connected with auxiliary gear box on the clutch end of described floating fixed sub-motor, described auxiliary gear box comprises the auxiliary gear box primary shaft that the clutch end with the floating fixed sub-motor of transfer case housing and upward rotation setting thereof is in transmission connection, also rotate on the described transfer case housing to be provided with and be arranged in parallel with the auxiliary gear box primary shaft, be used for to second of the auxiliary gear box of the farm tractor front axle outputting power of traveling gear and be used for auxiliary gear box third axle to the tractor rear axle outputting power of traveling gear, and the 5th of the auxiliary gear box that is coaxially set with the auxiliary gear box primary shaft, the 5th of auxiliary gear box and auxiliary gear box second, three are in transmission connection by each self-corresponding gear drive respectively, are provided with between the 5th of auxiliary gear box primary shaft and the auxiliary gear box to realize its transmission between the two or open circuited auxiliary gear box synchro; Also rotate on the described transfer case housing be provided be arranged in parallel with the auxiliary gear box third axle and be used for to the 4th of the auxiliary gear box of corresponding car kits outputting power and with the 4th auxiliary gear box idler shaft that be arranged in parallel of auxiliary gear box, be installed with while and auxiliary gear box primary shaft and the 4th idler shaft transmission gear of going up the respective gears engaged transmission of auxiliary gear box on the described auxiliary gear box idler shaft, described auxiliary gear box third axle and described auxiliary gear box idler shaft are coaxially set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310107344.8A CN103213489B (en) | 2013-03-29 | 2013-03-29 | Floating fixed sub-motor and hybrid electric drive system and mixed-power tractor |
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| CN201310107344.8A CN103213489B (en) | 2013-03-29 | 2013-03-29 | Floating fixed sub-motor and hybrid electric drive system and mixed-power tractor |
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| WO2020077820A1 (en) * | 2018-10-17 | 2020-04-23 | 广东美的白色家电技术创新中心有限公司 | Coaxial and double outputting mechanism |
| WO2020206667A1 (en) * | 2019-04-12 | 2020-10-15 | 潍柴动力股份有限公司 | Control method and system for hybrid power system |
| CN111890950A (en) * | 2020-08-04 | 2020-11-06 | 洪智 | Tractor driving device and tractor driving method |
| US12145568B2 (en) | 2019-04-12 | 2024-11-19 | Weichai Power Co., Ltd. | Control method and system for hybrid power system |
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|---|---|
| CN103213489B (en) | 2016-02-17 |
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