CN209126515U - A kind of mixed-power tractor stepless transmission - Google Patents
A kind of mixed-power tractor stepless transmission Download PDFInfo
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- CN209126515U CN209126515U CN201821941018.1U CN201821941018U CN209126515U CN 209126515 U CN209126515 U CN 209126515U CN 201821941018 U CN201821941018 U CN 201821941018U CN 209126515 U CN209126515 U CN 209126515U
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Abstract
The utility model relates to drive apparatus field, specifically a kind of mixed-power tractor stepless transmission.Including transmission output shaft, transmission output shaft, electric power system and coupled planetary gears.While the utility model tractive force needed for meeting the various working conditions of tractor, traction power and hauling speed, multistage continuous stepless speed change can be achieved, two different hybrid modes may be implemented simultaneously, and particular job mode such as load parking, Brake energy recovery, stopping for charging, meet the requirement of tractor complex working condition.Slewing range is wide, and transmission efficiency is high, is able to achieve the good fuel economy of tractor and the feature of environmental protection, it is energy-efficient, lower-powered motor generator can be used simultaneously and realize multistage continuous stepless speed change, to reduce the volume of motor generator, so that drive mechanism is more compact.
Description
Technical field
The utility model relates to drive apparatus field, specifically a kind of mixed-power tractor stepless transmission.
Background technique
Tractor is as a kind of important agricultural machinery, and events in operation multiplicity is complicated, operating environment is badly changeable, tradition
Engine working point is poor when tractor electric power system operation, cannot make full use of engine power, causes serious energy wave
Take and exhaust emissions.Mixing electric power system increases motor, can optimize engine working area, improves energy utilization effect
Rate.Series parallel type mixing electric power system has merged the advantages of series and parallel type mixing electric power system, meanwhile, mixed connection
The shortcomings that formula mixed-power tractor abandoning tradition tractor, the advantages of continuing traditional tractor, be realize tractor energy conservation and
The effective ways of environmental protection.
At present the dynamic coupling device on mixed-power tractor mainly use a pair of of fixed speed ratio engaging tooth wheel set or
The problem of single planetary row gear, that there are ratio coverages is small for both structures, speed-variation square, therefore also need to install multi-gear transmission additional
Device keeps drive mechanism less compact.
Utility model content
The utility model is intended to provide a kind of mixed-power tractor stepless speed change device, expands slewing range, transmission effect
Rate is high and keeps drive mechanism more compact.
In order to solve the above technical problems, the technical solution adopted in the utility model are as follows: a kind of mixed-power tractor without
Grade speed change gear, including transmission input shaft, transmission output shaft, electric power system and coupled planetary gears；Electricity
The first motor generator of pneumatic power system packet and the second motor generator, the first motor generator and the second motor generator are logical
Power controller is crossed to be connected electrically on battery；Before coupled planetary gears include preceding sun gear, engage with preceding sun gear
Planetary gear, rear sun gear, the rear planetary gear engaged with rear sun gear, the common row being respectively cooperating with preceding planetary gear and rear planetary gear
Carrier and the gear ring that connection is engaged with rear planetary gear, preceding sun gear are fixedly connected with one end of transmission input shaft, speed changer
The other end of input shaft is fixedly connected with the output shaft of engine, and transmission input shaft passes through the first engaging tooth wheel set and the first electricity
The working shaft transmission connection of dynamic generator, gear ring is driven by the working shaft of the second engaging tooth wheel set and the second motor generator to be connected
It connects；The first transmission shaft, second driving shaft, third transmission shaft are additionally provided between coupled planetary gears and transmission output shaft
And the 4th transmission shaft, the first transmission shaft and rear sun gear is fixed and the first transmission shaft is passed by third engaging tooth wheel set with second
Driving-axle gearing connection is equipped with the first clutch cooperated with third engaging tooth wheel set, second driving shaft point on second driving shaft
Not Tong Guo the 4th engaging tooth wheel set and the 5th engaging tooth wheel set connect with third transmission shaft driven, be equipped on third transmission shaft with
4th engaging tooth wheel set and the 5th engaging tooth wheel set cooperation the first synchronizer, the 4th transmission shaft by the 6th engaging tooth wheel set with
Common carrier transmission connection is equipped with the second clutch cooperated with the 6th engaging tooth wheel set on the 4th transmission shaft, and the 4th passes
Moving axis passes through the 7th engaging tooth wheel set respectively and the 8th engaging tooth wheel set is connect with third transmission shaft driven, on third transmission shaft
Equipped with the second synchronizer with the 7th engaging tooth wheel set and the cooperation of the 8th engaging tooth wheel set, third transmission shaft passes through the 9th respectively and nibbles
It closes gear pair and meshing gear group and transmission output shaft is sequentially connected, meshing gear group includes being separately positioned on third transmission shaft
The idle pulley of connection is engaged with two transmission gears being spaced apart from each other on transmission output shaft and respectively with two transmission gears,
Be additionally provided on transmission output shaft with the 9th engaging tooth wheel set cooperation third clutch and with meshing gear group cooperation
4th clutch.
It preferably, further include PTO output shaft, PTO output shaft passes through the tenth engaging tooth wheel set and the 11st engaging tooth respectively
Wheel set and transmission input shaft are sequentially connected, and are equipped with and the tenth engaging tooth wheel set and the 11st meshing gear on PTO output shaft
The third synchronizer of pair cooperation.
Preferably, transmission input shaft, transmission output shaft, the first transmission shaft, second driving shaft, third transmission shaft and
4th transmission shaft is parallel to each other distribution.
Beneficial effect
The utility model tractive force needed for meeting the various working conditions of tractor, traction power and hauling speed it is same
When, it can be achieved that multistage continuous stepless speed change, while two different hybrid modes may be implemented, and load parking, system
Particular job modes such as energy recycling, stopping for charging, meet the requirement of tractor complex working condition.Slewing range is wide, transmission effect
Rate is high, is able to achieve the good fuel economy of tractor and the feature of environmental protection, energy-efficient, while can be used lower-powered electronic
Generator realizes multistage variable speed, to reduce the volume of motor, so that drive mechanism is more compact.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the speed ratio characteristic reference figure of the utility model；
Fig. 3 be the utility model in engine operation under rated operation point transmission ratio and speed with dynamoelectric and power generation
6 rotation speed change characteristic reference figure of machine；
Fig. 4 is the torque characteristics of the utility model with reference to figure；
Fig. 5 be the utility model under hybrid mode I tractor stepless speed variator system efficiency characteristic with reference to figure；
Fig. 6 be the utility model under hybrid mode II tractor stepless speed variator system efficiency characteristic with reference to figure；
Marked in the figure: 1, engine, the 2, first engaging tooth wheel set, the 3, first motor generator, 4, power controller, 5, storage
Battery, the 6, second motor generator, 7, transmission input shaft, the 8, second engaging tooth wheel set, 9, gear ring, 10, preceding planetary gear, 11,
Planetary gear afterwards, 12, common carrier, 13, first clutch, 14, third engaging tooth wheel set, 15, second driving shaft, the 16, the 4th
Engaging tooth wheel set, the 17, first synchronizer, the 18, the 5th engaging tooth wheel set, 19, meshing gear group, the 20, the 4th clutch, 21, change
Fast device output shaft, 22, third clutch, the 23, the 9th engaging tooth wheel set, 24, third transmission shaft, the 25, second synchronizer, 26,
Eight engaging tooth wheel sets, the 27, the 7th engaging tooth wheel set, the 28, the 4th transmission shaft, the 29, first transmission shaft, 30, second clutch, 31,
6th engaging tooth wheel set, 32, rear sun gear, 33, preceding sun gear, the 34, the 11st engaging tooth wheel set, 35, third synchronizer, 36,
Tenth engaging tooth wheel set, 37, PTO output shaft.
Specific embodiment
As shown in Figure 1, a kind of mixed-power tractor stepless transmission of the utility model, including electric power system,
Transmission input shaft 7, transmission output shaft 21 and coupled planetary gears, transmission input shaft 7 and transmission output shaft
21 mutual flat and ends are rotatably arranged on the casing of speed change gear.
Electric power system includes the first motor generator 3 and the second motor generator 6,3 He of the first motor generator
Second motor generator 6 is connected electrically on battery 5 by power controller 4.It can make to store by the switching of power controller 4
To the first generator motor or the power supply of the second generator motor with output torque, can also be switched by power controller 4 makes battery 5
First generator motor and/or the second generator motor generate electricity and are filled in battery 5.
Preceding planetary gear 10, the rear sun gear that coupled planetary gears include preceding sun gear 33, engage with preceding sun gear 33
32, the rear planetary gear 11 engaged with rear sun gear 32, the common carrier being respectively cooperating with preceding planetary gear 10 and rear planetary gear 11
13 and the gear ring 9 of connection is engaged with rear planetary gear 11, preceding sun gear 33 is fixedly connected with one end of transmission input shaft 7, change
The other end of fast device input shaft 7 is connect with engine 1, and transmission input shaft 7 passes through the first engaging tooth wheel set 2 and the first electronic hair
The working shaft of motor 3 is sequentially connected, and gear ring 9 is driven by the working shaft of the second engaging tooth wheel set 8 and the second motor generator 6 to be connected
It connects.
It is additionally provided between coupled planetary gears and transmission output shaft 21 defeated with transmission input shaft 7 and speed changer
Shaft 21 distinguishes parallel the first transmission shaft 29, second driving shaft 15, third transmission shaft 24 and the 4th transmission shaft 28, and passes through
Power is transferred to speed changer output by the first transmission shaft 29, second driving shaft 15, third transmission shaft 24 and the 4th transmission shaft 28
Axis 21, thus the tractor travel wheel rotation that driving is connected with transmission output shaft 21.First transmission shaft 29, second driving shaft
15, the shaft end of third transmission shaft 24 and the 4th transmission shaft 28 is rotatably arranged on the casing of speed change gear.
First transmission shaft 29 is fixed with rear sun gear 32 and the first transmission shaft 29 passes through third engaging tooth wheel set 14 and second
Transmission shaft 15 is sequentially connected, and the first clutch 13 cooperated with third engaging tooth wheel set 14 is equipped on second driving shaft 15.
Second driving shaft 15 passes through the 4th engaging tooth wheel set 16 and the 5th engaging tooth wheel set 18 and third transmission shaft 24 respectively
Transmission connection is equipped with first cooperated with the 4th engaging tooth wheel set 16 and the 5th engaging tooth wheel set 18 together on third transmission shaft 24
Walk device 17.
4th transmission shaft 28 is sequentially connected by the 6th engaging tooth wheel set 31 with common carrier 13, in the 4th transmission shaft 28
It is equipped with the second clutch 30 cooperated with the 6th engaging tooth wheel set 31.4th transmission shaft 28 passes through the 7th engaging tooth wheel set respectively
27 and the 8th engaging tooth wheel set 26 be sequentially connected with third transmission shaft 24, be equipped on third transmission shaft 24 and the 7th meshing gear
The second synchronizer 25 that pair 27 and the 8th engaging tooth wheel set 26 cooperate.
Third transmission shaft 24 is passed by the 9th engaging tooth wheel set 23 and meshing gear group 19 and transmission output shaft 21 respectively
Dynamic connection.Meshing gear group 19 includes that two be separately positioned on third transmission shaft 24 and transmission output shaft 21 are spaced apart from each other
Transmission gear and engage with two transmission gears connection respectively for changing the idle pulley in direction, on transmission output shaft 21
It is additionally provided with and the third clutch 22 of the 9th engaging tooth wheel set 23 cooperation and the 4th clutch cooperated with meshing gear group 19
20。
It further include PTO output shaft 37 in speed change gear in the present embodiment, PTO output shaft 37 passes through the tenth engaging tooth respectively
Wheel set 36 and the 11st engaging tooth wheel set 34 are sequentially connected with transmission input shaft 7, are equipped on PTO output shaft 37 and nibble with the tenth
Close the third synchronizer 35 of gear pair 36 and the cooperation of the 11st engaging tooth wheel set 34.
The utility model can be combined by the different conditions of each component, realize mixed dynamic tractor multiple-working mode and segmentation
Formula variable speed.Specific works mode situation is as shown in table 1, and each element engagement situation of variable speed section is as shown in table 2.It is therein
" √ " indicates to be in engagement state, and "×" indicates to be in discrete state.(in table 2 and table 3, the first synchronizer 17, the second synchronizer
25 and third synchronizer 35 left end and right end respectively by taking the left and right end in Fig. 1 as an example, similarly hereinafter).
The working principle of the utility model is as follows:
Hybrid mode I: under this mode, the unloaded idle running of the first motor generator 3, battery 5 works in discharge condition
Power is provided to the second motor generator 6.Second motor generator, 6 power is transferred to gear ring 9 through the second engaging tooth wheel set 8, hair
Sun gear 33 before 1 power of motivation is transferred to through transmission input shaft 7, two kinetic currents are after planet row confluence through planet row output end
Output.PTO output shaft 37 is in running order.This mode is suitable for tractor and works under the little operating condition of load variation.
Hybrid mode II: under this mode, 1 output power of engine is shunted through the first engaging tooth wheel set 2, and a part mentions
The first motor generator 3 is supplied, remaining power exports after compound planetary row's confluence with 6 output power of the second motor generator.
The power generation of first motor generator 3 works for the second motor generator 6.Second motor generator, 6 power is through the second engaging tooth wheel set 8
It is transferred to gear ring 9, sun gear 33 before 1 power of engine is transferred to through transmission input shaft 7, two kinetic currents are after planet row confluence
It is exported through planet row output end.5 working condition of battery is determined according to outer load, if outer load is big, the first motor generator 3 is supplied
When electric insufficient, battery 5, which be in discharge condition, combines with the first motor generator 3 and gives the power supply of the second motor generator 6；If first
When sending the second motor generator of electrical energy drive 6 of motor generator 3 still has more than needed, electricity supply battery 5 of having more than needed charges.PTO
Output shaft 37 is in running order.This mode is suitable for tractor and works under the big operating condition of load variation.
Electric-only mode: under this mode, the first motor generator 3 works in motoring condition output power, the second electronic hair
The work of motor 6 is closed in motoring condition output power, the work of battery 5 in discharge condition, engine 1.Battery 5 is to the second electricity
Dynamic generator 6 and the power supply of the first motor generator 3,6 power of the second motor generator are input to planet through the second engaging tooth wheel set 8
Row, sun gear 33 before generator power is transferred to through transmission input shaft 7 export after planet row confluence stream.This mode is used for
Solve the problems, such as that speed ratio cannot reach zero-speed in attached drawing 2.
Stop power generation mode: the work of battery 5 is in charged state, 6 no power of the second motor generator, rotor under this mode
It floats, remaining clutch is in discrete state, and 1 output power of engine gives the first motor generator 3, the first motor generator 3
It works and charges to battery 5.
Start 1 mode of engine: under this mode, 3 output power of the first motor generator, the work of battery 5 is in electric discharge shape
State, 6 no power of the second motor generator, rotor float, remaining clutch is in discrete state, and battery 5 gives the first electronic hair
Motor 3 provides power, and the work of the first motor generator 3 is provided to engine 1 starts required torque.
Energy brake take-back model: the first motor generator 3 is in power generation mode, and the second motor generator 6 is in power generation
Mode, battery 5 work in charged state.Braking energy is inputted by transmission output shaft 21, and power is transferred to through drive mechanism
After planet row, the second motor generator 6, the second motor generator 6 are transmitted to through gear ring 9 and 8 a part of the second engaging tooth wheel set
Work is charged in generating state to battery 5, and the premenstrual sun gear 33 of another part is transferred to transmission input shaft 7, nibbles through first
It closes gear pair 2 to shunt, a part provides 1 braking moment of engine, and another part drives the first motor generator 3 to battery 5
Charging, to complete Brake energy recovery.
Load park mode: under this mode, 3 rotor locking of the first motor generator, 6 rotor lock of the second motor generator
Only, the work of battery 5 is closed in discharge condition, engine 1.This mode be suitable for tractor work when in dead ship condition or by
The operating condition of static starting.PTO output is in off position.
In addition, under hybrid mode I and II, by the engagement state of different clutches, it can be achieved that the stepless change of multistage
Speed.The clutch engagement situation of each variable speed section is as follows:
F1 sections: the 4th clutches 20 of direction of advance variable speed, first clutch 13 separate, and second clutch 30 engages,
Converge power and flow through the output of common carrier 12, inputs the 4th transmission shaft 28 through the 6th gear pair 31, second clutch 30, due to
The engagement of second synchronizer, 25 right end, therefore power flows through eighth gear pair 26, the second synchronizer 25 is input to third transmission shaft 24.The
The engagement of three clutches 22, power flows through third clutch 22, the 9th gear pair 23 is input to the output of transmission output shaft 21.
F2 sections: the 4th clutches 20 of direction of advance variable speed, second clutch 30 separate, and first clutch 13 engages,
Converge power and flow through the output of rear sun gear 32, second driving shaft 15 is inputted through third gear pair 14, first clutch 13, due to the
The engagement of one synchronizer, 17 right end, therefore power flows through the 5th gear pair 18, the first synchronizer 17 is input to third transmission shaft 24.Third
Clutch 22 engages, and power flows through third clutch 22, the 9th gear pair 23 is input to the output of transmission output shaft 21.
F3 sections: the 4th clutches 20 of direction of advance variable speed, first clutch 13 separate, and second clutch 30 engages,
Converge power and flow through the output of common carrier 12, inputs the 4th transmission shaft 28 through the 6th gear pair 31, second clutch 30, due to
The engagement of second synchronizer, 25 left end, therefore power flows through the 7th gear pair 27, the second synchronizer 25 is input to third transmission shaft 24.The
The engagement of three clutches 22, power flows through third clutch 22, the 9th gear pair 23 is input to the output of transmission output shaft 21.
F4 sections: the 4th clutches 20 of direction of advance variable speed, second clutch 30 separate, and first clutch 13 engages,
Converge power and flow through the output of rear sun gear 32, second driving shaft 15 is inputted through third gear pair 14, first clutch 13, due to the
The engagement of one synchronizer, 17 left end, therefore power flows through the 4th gear pair 16, the first synchronizer 17 is input to third transmission shaft 24.Third
Clutch 22 engages, and power flows through third clutch 22, the 9th gear pair 23 is input to the output of transmission output shaft 21.
R1 sections of astern direction variable speed: third clutch 22, first clutch 13 separate, and second clutch 30 engages,
Converge power and flow through the output of common carrier 12, inputs the 4th transmission shaft 28 through the 6th gear pair 31, second clutch 30, due to
The engagement of second synchronizer, 25 right end, therefore power flows through eighth gear pair 26, the second synchronizer 25 is input to third transmission shaft 24.The
The engagement of four clutches 20, power flows through the 4th clutch 20, gear set 19 is input to the output of transmission output shaft 21.
R2 sections of astern direction variable speed: third clutch 22, second clutch 30 separate, and first clutch 13 engages,
Converge power and flow through the output of rear sun gear 32, second driving shaft 15 is inputted through third gear pair 14, first clutch 13, due to the
The engagement of one synchronizer, 17 right end, therefore power flows through the 5th gear pair 18, the first synchronizer 17 is input to third transmission shaft 24.4th
Clutch 20 engages, and power flows through the 4th clutch 20, gear set 19 is input to the output of transmission output shaft 21.
R3 sections of astern direction variable speed: third clutch 22, first clutch 13 separate, and second clutch 30 engages,
The engagement of second synchronizer, 25 left end converges power and flows through the output of common carrier 12, through the 6th gear pair 31, second clutch 30
The 4th transmission shaft 28 is inputted, since 25 left end of the second synchronizer engages, therefore power flows through the 7th gear pair 27, the second synchronizer 25
It is input to third transmission shaft 24.The engagement of 4th clutch 20, power flows through the 4th clutch 20, gear set 19 is input to speed changer
Output shaft 21 exports.
R4 sections of astern direction variable speed: third clutch 22, second clutch 30 separate, and first clutch 13 engages,
Kinetic current can be exported through rear sun gear 32, second driving shaft 15 be inputted through third gear pair 14, first clutch 13, due to first
The engagement of 17 left end of synchronizer, therefore power flows through the 4th gear pair 16, the first synchronizer 17 is input to third transmission shaft 24.4th from
Clutch 20 engages, and power flows through the 4th clutch 20, gear set 19 is input to the output of transmission output shaft 21.
Can be seen that from above-mentioned principle, the utility model relates to hybrid variable-speed system can work it is dynamic in mixing
Force mode I, hybrid mode II, electric-only mode, stopping for charging, starting engine 1, energy brake recycling, load parking
Mode totally 7 kinds of modes are applicable in tractor complex working condition.In addition, the engagement state combination of different clutches all corresponds to a difference
Speed ratio plays the role of multi-speed gear box.Under hybrid mode I and II, it can distinguish in direction of advance and astern direction
It realizes four sections of continuous stepless speed changes, expands slewing range.
The electronic no gear-stage velocity ratio e of 2 abscissa of attached drawing is defined as the ratio between 6 revolving speed of the second motor generator and 1 revolving speed of engine.From
Attached drawing 2 can be seen that, can realize variable speed without gear-stage velocity ratio e by adjusting electricity.
It, can be by adjusting the second motor generator 6 from attached drawing 3 as can be seen that in the case where 1 revolving speed of engine is constant
Rotational speed regulation electricity realizes variable speed without gear-stage velocity ratio e.EF sections are pure electric vehicle section, and corresponding electric-only mode can solve attached
Speed ratio cannot reach the problem of zero-speed in Fig. 2.
The 4 coordinate longitudinal axis of attached drawing is indicated using the ratio between 6 breakdown torque of gear-box output torque and the second motor generator.Hyperbolic
Line part indicates under any transmission ratio that the gear-box output torque determined by 1 torque of engine, broken line part is indicated by the second electricity
The speed changer maximum output torque that dynamic generator 6 limits.From attached drawing 4 as can be seen that in slewing range, by the second dynamoelectric and power generation
The dynamic characteristics field energy that 6 breakdown torque of machine determines enough covers the dynamic characteristics field determined by 1 torque of engine, guarantees any speed
Lower speed changer can transmit the maximum power of engine 1.
It is mixed dynamic in two kinds of differences to can be seen that the hybrid variable-speed system that the utility model is related to from attached Figures 5 and 6
Transmission efficiency is above 95% under mode, and transmission efficiency is high.
Claims (3)
1. a kind of mixed-power tractor stepless transmission, it is characterised in that: exported including transmission input shaft (7), speed changer
Axis (21), electric power system and coupled planetary gears；The first motor generator of electric power system packet (3) and second
Motor generator (6), the first motor generator (3) and the second motor generator (6) are connected electrically in by power controller (4)
On battery (5)；The preceding planetary gear that coupled planetary gears include preceding sun gear (33), are engaged with preceding sun gear (33)
(10), rear sun gear (32), the rear planetary gear (11) and preceding planetary gear (10) and rear planetary gear that are engaged with rear sun gear (32)
(11) common carrier (12) that is respectively cooperating with and the gear ring (9) that connection is engaged with rear planetary gear (11), preceding sun gear (33)
It is fixedly connected with one end of transmission input shaft (7), the other end of transmission input shaft (7) and the output shaft of engine (1) are solid
Fixed connection, transmission input shaft (7) is driven by the working shaft of the first engaging tooth wheel set (2) and the first motor generator (3) to be connected
It connects, gear ring (9) is sequentially connected by the working shaft of the second engaging tooth wheel set (8) and the second motor generator (6)；In compound planetary
The first transmission shaft (29), second driving shaft (15), third transmission shaft are additionally provided between gear mechanism and transmission output shaft (21)
(24) and the 4th transmission shaft (28), the first transmission shaft (29) and rear sun gear (32) fixed and the first transmission shaft (29) passes through the
Three engaging tooth wheel sets (14) and second driving shaft (15) are sequentially connected, and are equipped with and third meshing gear on second driving shaft (15)
The first clutch (13) of secondary (14) cooperation, second driving shaft (15) pass through the 4th engaging tooth wheel set (16) and the 5th engagement respectively
Gear pair (18) and third transmission shaft (24) are sequentially connected, and are equipped with and the 4th engaging tooth wheel set (16) on third transmission shaft (24)
With the first synchronizer (17) of the 5th engaging tooth wheel set (18) cooperation, the 4th transmission shaft (28) passes through the 6th engaging tooth wheel set (31)
It is sequentially connected with common carrier (12), second cooperated with the 6th engaging tooth wheel set (31) is equipped on the 4th transmission shaft (28)
Clutch (30), the 4th transmission shaft (28) pass through the 7th engaging tooth wheel set (27) and the 8th engaging tooth wheel set (26) and third respectively
Transmission shaft (24) transmission connection, is equipped with and the 7th engaging tooth wheel set (27) and the 8th engaging tooth wheel set on third transmission shaft (24)
(26) the second synchronizer (25) cooperated, third transmission shaft (24) pass through the 9th engaging tooth wheel set (23) and meshing gear group respectively
(19) it is sequentially connected with transmission output shaft (21), meshing gear group (19) includes being separately positioned on third transmission shaft (24) and becoming
Two transmission gears being spaced apart from each other on fast device output shaft (21) and the idle pulley for engaging connection with two transmission gears respectively,
Be additionally provided on transmission output shaft (21) with the 9th engaging tooth wheel set (23) cooperation third clutch (22) and with engage
4th clutch (20) of gear set (19) cooperation.
2. a kind of mixed-power tractor stepless transmission according to claim 1, it is characterised in that: further include PTO defeated
Shaft (37), PTO output shaft (37) pass through the tenth engaging tooth wheel set (36) and the 11st engaging tooth wheel set (34) and speed change respectively
Device input shaft (7) transmission connection, is equipped with and the tenth engaging tooth wheel set (36) and the 11st meshing gear on PTO output shaft (37)
The third synchronizer (35) of secondary (34) cooperation.
3. a kind of mixed-power tractor stepless transmission according to claim 1, it is characterised in that: transmission input shaft
(7), transmission output shaft (21), the first transmission shaft (29), second driving shaft (15), third transmission shaft (24) and the 4th transmission
Axis (28) is parallel to each other distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941018.1U CN209126515U (en) | 2018-11-23 | 2018-11-23 | A kind of mixed-power tractor stepless transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821941018.1U CN209126515U (en) | 2018-11-23 | 2018-11-23 | A kind of mixed-power tractor stepless transmission |
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| Publication Number | Publication Date |
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| CN209126515U true CN209126515U (en) | 2019-07-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353210A (en) * | 2018-11-23 | 2019-02-19 | 河南科技大学 | A kind of mixed-power tractor stepless transmission |
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- 2018-11-23 CN CN201821941018.1U patent/CN209126515U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109353210A (en) * | 2018-11-23 | 2019-02-19 | 河南科技大学 | A kind of mixed-power tractor stepless transmission |
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