CN109296724A - Double-planet five-part form hydraulic mechanical stepless gearbox - Google Patents
Double-planet five-part form hydraulic mechanical stepless gearbox Download PDFInfo
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- CN109296724A CN109296724A CN201811359946.1A CN201811359946A CN109296724A CN 109296724 A CN109296724 A CN 109296724A CN 201811359946 A CN201811359946 A CN 201811359946A CN 109296724 A CN109296724 A CN 109296724A
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- planet row
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- 230000005540 biological transmission Effects 0.000 claims abstract description 85
- 230000008859 change Effects 0.000 claims abstract description 21
- 230000007246 mechanism Effects 0.000 claims abstract description 19
- 238000006073 displacement reaction Methods 0.000 claims description 19
- 239000012530 fluid Substances 0.000 claims description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H47/00—Combinations of mechanical gearing with fluid clutches or fluid gearing
- F16H47/02—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type
- F16H47/04—Combinations of mechanical gearing with fluid clutches or fluid gearing the fluid gearing being of the volumetric type the mechanical gearing being of the type with members having orbital motion
Abstract
It include the double-planet gear and hydraulic gear shifting system being arranged in parallel in preceding change gearbox room the invention discloses a kind of double-planet five-part form hydraulic mechanical stepless gearbox；Double-planet gear includes power input shaft, transmission shaft, jackshaft and the gear shift mechanism with power end transmission connection, power input shaft, hydraulic gear shifting system, double planet wheel rows of mixing, transmission shaft form Closed Hydraulic unit, in the presence of hydraulic gear shifting system, stepless speed regulation is realized；Hydraulic gear shifting system is the system for being changed to hydraulic power stream that mechanical output circulates, and hydraulic gear shifting system may be implemented the consecutive variations of revolving speed, pass through double planet wheel rows of mixing, the consecutive variations of transmission gear ratio may be implemented, have the advantages that energy loss is small, transmission efficiency is high, stable drive, reduces speed changer overall volume, it is compact-sized, five sections of variable speed can be achieved, it is suitble to high-power output operation, significantly improves transmission efficiency, can satisfy different operating environment, structure is simple, easy to operate.
Description
Technical field
The present invention relates to transmission technology field more particularly to a kind of double-planet five-part form hydraulic mechanical stepless gearboxes.
Background technique
Hydraulic drive, which has, arranges that convenient, power density is big, output torque and revolving speed are not influenced by input speed, are easy
The advantages that realizing stepless speed regulation and automatically controlling, but the shortcomings such as transmission efficiency is low are existed simultaneously, especially in high speed and low speed
Transmission condition, this low deficiency of transmission efficiency are more prominent.Gear mechanism transmission accurate and reliable, instantaneous transmission with passing movement
Than it is constant, compact-sized, can be achieved compared with large transmission ratio, transmitting power is big and the advantages that transmission efficiency is high, but be not easy to realize automatic
Speed change, it is even more impossible to realize variable speed.For medium-and-large-sized engineering machinery in operation, transmission system generally requires transmitting relatively high power,
And requirement can carry out efficient speed and torque conversion to power source according to working condition and payload size variation.Single use
Machine driving or hydraulic drive are all difficult to perfection and meet requirement of the medium-and-large-sized engineering machinery to transmission system.
Hydraulic mechanical stepless gearbox is made of hydraulic drive part with mechanical driving part, has machinery driving efficiency
The advantages of high, reliable transmission and hydraulic drive transmission power height, stable drive, the power performance and warp of vehicle can be effectively improved
Ji property, is truck, the optimal driving form of engineering truck.But currently, hydraulic machinery is stepless since technical aspect limits
That there are volumes is big for speed changer, and transmission efficiency is not high, complex structure and other problems, limits the popularization of hydraulic mechanical stepless gearbox.
Summary of the invention
Technical problem to be solved by the invention is to provide a kind of compact-sized simple, transmission efficiency height, manufacturing cost are low
Double-planet five-part form hydraulic mechanical stepless gearbox, can solve volume existing for existing hydraulic mechanical stepless gearbox Pang
Greatly, the problems such as transmission efficiency is not high, structure is complicated, manufacture difficulty is big.
In order to solve the above technical problems, the technical scheme is that double-planet five-part form hydraulic mechanical stepless gearbox,
Including cabinet, it is characterised in that: the cabinet includes preceding gear chamber and rear power output chamber；The preceding gear
It include the double-planet gear and hydraulic gear shifting system being arranged in parallel in chamber；The double-planet gear includes and power
Hold power input shaft, transmission shaft, jackshaft and the gear shift mechanism of transmission connection, the power input shaft and the transmission
It is coaxially disposed between axis, the gear shift mechanism includes being sequentially connected between the power input shaft and the transmission shaft
Double planet wheel rows of mixing, the jackshaft are arranged in parallel with the power input shaft and the transmission shaft, before the jackshaft runs through described
The extension of gear chamber is connected in the rear power output box room；The hydraulic gear shifting system includes passing through fluid pressure line phase
Change displacement hydraulic pump even and constant displacement hydraulic motor, the change displacement hydraulic pump and the power input shaft are sequentially connected, described
Constant displacement hydraulic motor is connect with the transmission shaft driven；It include being sequentially connected in power output box room with the jackshaft after described
Power take-off mechanism.
The double planet wheel rows of mixing includes left planet row and right planet row as a preferred technical solution, the left planet row and
Transmission connection is closed in the right lateral star deploying, and the power input shaft is connect with the left planet row, the transmission shaft and the right side
Planet row connection；Three gear driving gears and five gear driving gears are provided on the left planet row；It is arranged on the right planet row
There are two gear driving gear and four gear driving gears.
The left lateral carrier of the left planet row is fixedly connected with the power input shaft as a preferred technical solution, institute
It states three gear driving gears and the five gears driving gear is arranged on the left planetary ring gear of the left planet row, the left planet row
Left lateral star sun gear and the right lateral star sun gear of the right planet row be fixedly connected with the transmission shaft, the second gear is actively
Gear and the four gears driving gear are arranged in the right lateral carrier of the right planet row, the right planetary ring gear of the right planet row
It is fixedly connected with the left lateral carrier of the left planet row.
The gear shift mechanism further includes the gear being fixedly mounted on the transmission shaft as a preferred technical solution,
Driving gear and the three gear driven gears, five gears that are sleeved on the jackshaft in the preceding change gearbox room are passive
Gear, four gear driven gears, second gear driven gear and a gear driven gear, a gear driving gear and the gear passive tooth
Idle wheel is sequentially connected between wheel；It is located between the three gear driven gear and the five gears driven gear on the jackshaft
Three or five gear clutches are installed, is located between the four gear driven gear and the second gear driven gear on the jackshaft and installs
There are two or four gear clutches, correspondence is equipped with a gear clutch at the gear driven gear on the jackshaft.
It is equipped on the power input shaft as a preferred technical solution, and the change displacement hydraulic pump transmission connection
Hydraulic pump gear pair is often engaged, is equipped on the transmission shaft and often engages hydraulic horse with what the constant displacement hydraulic motor was sequentially connected
Up to gear pair.
The power take-off mechanism includes the power output with transmission shaft coaxial arrangement as a preferred technical solution,
Axis is set with forward gear driven gear on the power output shaft and the driven gear that reverses gear, and is located at institute on the power output shaft
It states and front-and-back stop clutch is installed between forward gear driven gear and the driven gear that reverses gear；It is located on the jackshaft described
Power output box indoor location has forward gear driving gear and the driving gear that reverses gear afterwards.
By adopting the above-described technical solution, the beneficial effects of the present invention are: the power input shaft, the double-planet
Row, the transmission shaft, the power output shaft are on the same line, the power input shaft, the hydraulic gear shifting system, described
Double planet wheel rows of mixing, the transmission shaft form Closed Hydraulic unit, in the presence of the hydraulic gear shifting system, realize stepless speed regulation；
The hydraulic gear shifting system is the system for being changed to hydraulic power stream that mechanical output circulates, and the hydraulic gear shifting system may be implemented
The consecutive variations of transmission gear ratio may be implemented by the double planet wheel rows of mixing in the consecutive variations of revolving speed；The present invention is damaged with energy
The advantages that small, transmission efficiency is high, stable drive is lost, speed changer overall volume is reduced, it is compact-sized, it can be achieved that five sections of stepless changes
Speed is suitble to high-power output operation, significantly improves transmission efficiency, can satisfy different operating environment, structure is simple, operation side
Just.
Detailed description of the invention
The following drawings are only intended to schematically illustrate and explain the present invention, not delimit the scope of the invention.Wherein:
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the structure principle chart of the embodiment of the present invention；
In figure: gear chamber before A-；Power output chamber after B-；A1- power input shaft；A2- transmission shaft；In a3-
Between axis；A4- power output shaft；B1- often engages hydraulic pump gear pair；B2- often engages hydraulic motor gear pair；C1- becomes discharge capacity liquid
Press pump；C2- constant displacement hydraulic motor；The left planet row of K1-；K11- left lateral carrier；The left planetary ring gear of K12-；The K13- left lateral star sun
Wheel；The right planet row of K2-；K21- right lateral carrier；The right planetary ring gear of K22-；K23- right lateral star sun gear；The total clutch of S-；S1- tri-
Five gear clutches；S2- bis- or four keeps off clutch；S3- mono- keeps off clutch；S4- front-and-back stop clutch；11- mono- keeps off driving gear；12-
One gear driven gear；13- idle wheel；21- two gear driving gear；22- second gear driven gear；31- tri- keeps off driving gear；32- tri-
Keep off driven gear；41- tetra- keeps off driving gear；42- tetra- keeps off driven gear；51- five keeps off driving gear；52- five keeps off driven gear；
61- forward gear driving gear；62- forward gear driven gear；71- reverses gear driving gear；72- reverses gear driven gear.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention is further explained.In the following detailed description, only pass through explanation
Mode describes certain exemplary embodiments of the invention.Undoubtedly, those skilled in the art will recognize,
In the case where without departing from the spirit and scope of the present invention, described embodiment can be repaired with a variety of different modes
Just.Therefore, attached drawing and description are regarded as illustrative in nature, and are not intended to limit the scope of the claims.
As shown in Figure 1, double-planet five-part form hydraulic mechanical stepless gearbox, including cabinet, the cabinet include preceding speed change
It is driven chamber A and rear power output chamber B；In the present embodiment, it is cast with partition in the cabinet, the partition is by the cabinet
It is divided into the preceding gear chamber A and the rear power output chamber B；It include parallel connection in the preceding gear chamber A
The double-planet gear and hydraulic gear shifting system of setting；The double-planet gear includes dynamic with power end transmission connection
Power input shaft a1, transmission shaft a2, jackshaft a3 and gear shift mechanism connect between the power input shaft a1 and engine
There is total clutch S, for controlling whole machine power input；It is coaxially set between the power input shaft a1 and the transmission shaft a2
It sets, the gear shift mechanism includes the double-planet being sequentially connected between the power input shaft a1 and the transmission shaft a2
Row, the jackshaft a3 are arranged in parallel with the power input shaft a1 and the transmission shaft a2, and the jackshaft a3 is through described
Preceding gear chamber A extension is connected in the rear power output chamber B；The hydraulic gear shifting system includes passing through hydraulic tube
The connected change displacement hydraulic pump c1 in road and constant displacement hydraulic motor c2, the change displacement hydraulic pump c1 and the power input shaft a1 are passed
Dynamic connection, the constant displacement hydraulic motor c2 and the transmission shaft a2 are sequentially connected；Include and institute in power output chamber B after described
State the power take-off mechanism of jackshaft a3 transmission connection.
The double planet wheel rows of mixing includes left planet row K1 and right planet row K2, the left planet row K1 and the right planet row K2
Cooperation transmission connection, the power input shaft a1 are connect with the left planet row K1, the transmission shaft a2 and the right planet row
K2 connection；Three gear driving gears 31 and five gear driving gears 51 are provided on the left planet row K1；On the right planet row K2
It is provided with two gear driving gear 21 and four gear driving gears 41.
As shown in Fig. 2, the left lateral carrier K11 of the left planet row K1 is fixedly connected with the power input shaft a1, it is described
Three gear driving gears 31 and the five gears driving gear 51 are arranged on the left planetary ring gear K12 of the left planet row K1, described
The right lateral star sun gear K23 of the left lateral star sun gear K13 of the left planet row K1 and right planet row K2 with the transmission shaft a2
It is fixedly connected, the two gear driving gear 21 and described four keeps off the right lateral carrier that the right planet row K2 is arranged in driving gear 41
On K21, the right planetary ring gear K22 of the right planet row K2 is fixedly connected with the left lateral carrier K11 of the left planet row K1, described
Transmission gear positional symmetry on the transmission gear of left planet row K1 and the right planet row K2, the left planet row K1 with it is described
The connection type of right planet row K2 constitutes the double planet wheel rows of mixing, as confluence mechanism, realizes the power input shaft a1 transmitting
Mechanical flow and the transmission shaft a2 transmitting flow of pressurized confluence.The left planet row K1 and the right planet row K2 all have
Converge output action, when speed changer is in two, four gears, is converged using the right planet row K2；Speed changer is in three, five
When gear, converged using the left planet row K1.
The gear shift mechanism further includes the gear driving gear 11 and set being fixedly mounted on the transmission shaft a2
Driven gear 52, four is kept off mounted in three gear driven gears 32, five being located in the preceding gear chamber A on the jackshaft a3
Driven gear 42, second gear driven gear 22 and a gear driven gear 12 are kept off, a gear driving gear 11 and a gear are passive
Idle wheel 13 is sequentially connected between gear 12, the effect of the idle wheel 13 is to connect the gear master on the transmission shaft a2
The gear driven gear 12 on the moving gear 11 and jackshaft a3, due to shell structure limitation and the quantitative hydraulic horse
Up to the requirement of c2 rotation direction, the idle wheel 13 is needed to realize connection and change the jackshaft a3 rotation direction；The jackshaft a3 is upper
Three or five gear clutch s1, the jackshaft a3 are installed between the three gear driven gear 32 and the five gears driven gear 52
It is upper that two or four gear clutch s2, the centre are installed between the four gear driven gear 42 and the second gear driven gear 22
Correspondence is equipped with a gear clutch s3 at the gear driven gear 12 on axis a3.
It is equipped on the power input shaft a1 and often engages hydraulic pump tooth with what the change displacement hydraulic pump c1 was sequentially connected
It is equipped on wheel set b1, the transmission shaft a2 and engages hydraulic motor gear pair with the normal of constant displacement hydraulic motor c2 transmission connection
B2, the normal engagement hydraulic pump gear secondary b1 are with the normal hydraulic motor gear secondary b2 that engages by the hydraulic gear shifting system and institute
State double-planet gear connection, in the present embodiment, by the normal engagement hydraulic pump gear secondary b1 with it is described often engage it is hydraulic
Motor gear wheel set b2 unified definition is fixed gear pair.
The power take-off mechanism includes the power output shaft a4 with transmission shaft a2 coaxial arrangement, the power output
It is set with forward gear driven gear 62 on axis a4 and the driven gear 72 that reverses gear, is located at the forward gear on the power output shaft a4
Front-and-back stop clutch s4 is installed between driven gear 62 and the driven gear 72 that reverses gear；It is located on the jackshaft a3 described
Forward gear driving gear 61 is installed afterwards and the driving gear 71 that reverses gear in power output chamber B.
The power input shaft a1, the double planet wheel rows of mixing, the transmission shaft a2, the power output shaft a4 are in same straight line
On, the power input shaft a1, the hydraulic gear shifting system, the double planet wheel rows of mixing, the transmission shaft a2 form Closed Hydraulic list
Member realizes stepless speed regulation in the presence of the hydraulic gear shifting system；The hydraulic gear shifting system is to change mechanical output circulation
For the system of hydraulic power stream, the consecutive variations of revolving speed are may be implemented in the hydraulic gear shifting system, can by the double planet wheel rows of mixing
To realize the consecutive variations of transmission gear ratio.The hydraulic gear shifting system is with energy loss is small, transmission efficiency is high, stable drive
The advantages that, therefore use the hydraulic speed-change mechanism for the hydrostatic transmission module of the present embodiment, reduce speed changer overall volume, knot
Structure is compact, it can be achieved that five sections of variable speed, are suitble to high-power output operation, significantly improve transmission efficiency, can satisfy different works
Industry environment, structure is simple, easy to operate.
When speed changer is in pure hydraulic speed-changing mode, there is 1 gear, realized and adjusted by the hydraulic gear shifting system
Speed, a gear clutch s3 are engaged with a gear driven gear 12, and front-and-back stop clutch s4 is engaged with forward gear driven gear 62, and two or four
The gear of gear clutch s2 and three or five clutch s1 is in discrete state, specific drive path are as follows:
One gear: power input shaft a1-fixation gear pair-hydraulic gear shifting system-transmission shaft a2-mono- keeps off driving gear
11-one gear 12-jackshaft of driven gear a3-forward gear driving gear 61-forward gear, 62-power output shaft of driven gear
a4。
When speed changer is in hydromechanical transmission mode, have 4 gears, is more than the vehicle speed intervals of a gear in speed
When, into hydromechanical transmission mode, under this scheme, engine is in optimal fuel economy revolving speed section, passes through control
The mechanical gear and the hydraulic gear shifting system for making the double-planet gear realize transmission speed ratio consecutive variations, specific to be driven
Route is as follows:
Second gear: two or four gear clutch s2 are engaged with second gear driven gear 22, front-and-back stop clutch s4 and forward gear passive tooth
62 engagement of wheel, a gear clutch s3 and three or five gear clutch s1 are in discrete state, at this time drive path are as follows: power input shaft
A1-fixation gear pair shunting-hydraulic power stream and mechanical output stream, mechanical output flow through power input shaft a1 and are transmitted to duplicate rows
Right planet row K2 converges with the flow of pressurized through hydraulic gear shifting system transmitting in star row, passive by 21-second gear of two gear driving gear
22-jackshaft of gear a3-forward gear driving gear 61-forward gear, 62-power output shaft of driven gear a4；
Three gears: three or five gear clutch s1 are engaged with three gear driven gears 32, front-and-back stop clutch s4 and forward gear passive tooth
62 engagement of wheel, a gear clutch s3 and two or four gear clutch s2 are in discrete state, at this time drive path are as follows: power input shaft
A1-fixation gear pair shunting-hydraulic power stream and mechanical output stream, the hydraulic of hydraulic gear shifting system transmitting flow through double planet wheel rows of mixing
Middle right planet row K2 is transmitted to left planet row K1 and converges with the mechanical output stream for being transmitted to left planet row K1 through power input shaft a1,
32-jackshaft of driven gear a3-forward gear driving gear 61-forward gear passive tooth is kept off by three gear driving gears 31-three
Take turns 62-power output shaft a4；
Four gears: two or four gear clutch s2 are engaged with four gear driven gears 42, front-and-back stop clutch s4 and forward gear passive tooth
62 engagement of wheel, a gear clutch s3 and three or five gear clutch s1 are in discrete state, at this time drive path are as follows: power input shaft
A1-fixation gear pair shunting-hydraulic power stream and mechanical output stream, mechanical output flow through power input shaft a1 and are transmitted to duplicate rows
Right planet row K2 converges with the flow of pressurized through hydraulic gear shifting system transmitting in star row, passive by the four gear gears of driving gear 41-four
42-jackshaft of gear a3-forward gear driving gear 61-forward gear, 62-power output shaft of driven gear a4；
Five gears: three or five gear clutch s1 are engaged with five gear driven gears 52, front-and-back stop clutch s4 and forward gear passive tooth
62 engagement of wheel, a gear clutch s3 and two or four gear clutch s2 are in discrete state, at this time drive path are as follows: power input shaft
A1-fixation gear pair shunting-hydraulic power stream and mechanical output stream, the hydraulic of hydraulic gear shifting system transmitting flow through double planet wheel rows of mixing
Middle right planet row K2 is transmitted to left planet row K1 and converges with the mechanical output stream for being transmitted to left planet row K1 through power input shaft a1,
52-jackshaft of driven gear a3-forward gear driving gear 61-forward gear passive tooth is kept off by five gear driving gears 51-five
Take turns 62-power output shaft a4.
When speed changer is in purely mechanic mode speed change pattern, has 1 gear, speed is more than hydromechanical transmission section
When, purely mechanic speed regulation will be carried out, the constant displacement hydraulic motor c2 in the hydraulic gear shifting system reaches maximum (top) speed at this time, leads to
It crosses control engine speed and then realizes the control to the power input shaft a1 revolving speed, realize speed regulation.When purely mechanic mode, three
Five gear clutch s1 with five keep off driven gears 52 engages, front-and-back stop clutch s4 is engaged with forward gear driven gear 62, one keep off from
The gear of clutch s3 and two or four clutch s2 is in discrete state, at this time drive path are as follows: power input shaft a1-fixation gear pair point
Stream-hydraulic power stream and mechanical output stream, flow of pressurized power reach maximum value, hydraulic gear shifting system transmitting it is hydraulic flow through it is double
Right planet row K2 is transmitted to left planet row K1 and is transmitted to the mechanical output of left planet row K1 through power input shaft a1 in planet row
Stream confluence keeps off 52-jackshaft of driven gear a3-forward gear 61-forward gear of driving gear by five gear driving gears 51-five
62-power output shaft of driven gear a4.
Backward gear: when front-and-back stop clutch s4 is engaged with the driven gear 72 that reverses gear, a gear clutch s3 and a gear are passive
Gear 12 engages, and two or four gear clutch s2 and three or five gear clutch s1 are in discrete state, at this time power transmission line are as follows: power
Input shaft a1-fixation gear pair-hydraulic gear shifting system-transmission shaft a2-mono- gear 11-idle wheel of driving gear 13-one is kept off
12-jackshaft of driven gear a3-reverse gear driven gear 72-reverses gear 71-power output shaft of driving gear a4.
There are three groups of gear pairs, respectively five gear gear pairs, three gear gear pairs, often engagement on the left of the double planet wheel rows of mixing structure
The structure of hydraulic pump gear secondary b1, this three groups of gear pairs are larger, there is four groups of gear pairs on the right side of the double planet wheel rows of mixing structure, respectively
For four gear gear pairs, second gear is secondary, first gear is secondary, normal engagement hydraulic pump gear secondary b1, the structures of this four groups of gear pairs compared with
It is small, so that quality is kept in balance at left and right sides of the double planet wheel rows of mixing.
The above shows and describes the basic principle, main features and advantages of the invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (6)
1. double-planet five-part form hydraulic mechanical stepless gearbox, including cabinet, it is characterised in that: the cabinet includes that preceding speed change passes
Dynamic chamber and rear power output chamber；It include the double-planet gear that is arranged in parallel in the preceding change gearbox room and hydraulic
Speed change system；The double-planet gear include with power end transmission connection power input shaft, transmission shaft, jackshaft and
Gear shift mechanism is coaxially disposed between the power input shaft and the transmission shaft, and the gear shift mechanism includes transmission
The double planet wheel rows of mixing being connected between the power input shaft and the transmission shaft, the jackshaft and the power input shaft and institute
It states transmission shaft to be arranged in parallel, the jackshaft is connected to the rear power output chamber through the preceding gear chamber extension
It is interior；The hydraulic gear shifting system includes the change displacement hydraulic pump being connected by fluid pressure line and constant displacement hydraulic motor, the change row
It measures hydraulic pump and the power input shaft is sequentially connected, the constant displacement hydraulic motor is connect with the transmission shaft driven；After described
It include the power take-off mechanism with jackshaft transmission connection in power output box room.
2. double-planet five-part form hydraulic mechanical stepless gearbox as described in claim 1, it is characterised in that: the double planet wheel rows of mixing
Including left planet row and right planet row, transmission connection, the power input shaft are closed in the left planet row and the right lateral star deploying
It is connect with the left planet row, the transmission shaft is connect with the right planet row；Three gears are provided on the left planet row actively
Gear and five gear driving gears；Two gear driving gear and four gear driving gears are provided on the right planet row.
3. double-planet five-part form hydraulic mechanical stepless gearbox as claimed in claim 2, it is characterised in that: the left planet row
Left lateral carrier be fixedly connected with the power input shaft, it is described three gear driving gear and it is described five gear driving gear be arranged in institute
It states on the left planetary ring gear of left planet row, the right lateral star sun of the left lateral star sun gear of the left planet row and the right planet row
Wheel is fixedly connected with the transmission shaft, and the two gear driving gear and the four gears driving gear are arranged in the right planet row
Right lateral carrier on, the right planetary ring gear of the right planet row is fixedly connected with the left lateral carrier of the left planet row.
4. double-planet five-part form hydraulic mechanical stepless gearbox as described in claim 1, it is characterised in that: the gear shift
Mechanism further includes the gear driving gear being fixedly mounted on the transmission shaft and is sleeved on positioned at the preceding change gearbox
Three gear driven gears, five gear driven gears, four gear driven gears, second gear driven gear and a gear quilt on the indoor jackshaft
Moving gear is sequentially connected with idle wheel between the one gear driving gear and the gear driven gear；The jackshaft is upper
Three or five gear clutches are installed between the three gear driven gear and the five gears driven gear, are located at institute on the jackshaft
It states and two or four gear clutches is installed between four gear driven gears and the second gear driven gear, the gear quilt on the jackshaft
Correspondence is equipped with a gear clutch at moving gear.
5. double-planet five-part form hydraulic mechanical stepless gearbox as described in claim 1, it is characterised in that: the power input
Be equipped on axis with it is described change displacement hydraulic pump transmission connection it is normal engage hydraulic pump gear pair, be equipped on the transmission shaft with
The normal engagement hydraulic motor gear pair of the constant displacement hydraulic motor transmission connection.
6. double-planet five-part form hydraulic mechanical stepless gearbox according to any one of claims 1 to 5, feature exist
In: the power take-off mechanism includes the power output shaft with transmission shaft coaxial arrangement, is set on the power output shaft
Have forward gear driven gear and reverse gear driven gear, be located on the power output shaft forward gear driven gear and it is described fall
Front-and-back stop clutch is installed between gear driven gear；Be located on the jackshaft it is described after before power output box indoor location has
Into gear driving gear and the driving gear that reverses gear.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811359946.1A CN109296724A (en) | 2018-11-15 | 2018-11-15 | Double-planet five-part form hydraulic mechanical stepless gearbox |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811359946.1A CN109296724A (en) | 2018-11-15 | 2018-11-15 | Double-planet five-part form hydraulic mechanical stepless gearbox |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10955038B1 (en) | 2019-10-08 | 2021-03-23 | Jiangsu University | Hydro-mechanical hybrid transmission device with multiple power distribution modes and control method thereof |
| WO2021068284A1 (en) * | 2019-10-08 | 2021-04-15 | 江苏大学 | Mechanical hydraulic compound transmission apparatus having multiple power distribution modes and control method |
| WO2023159534A1 (en) * | 2022-02-25 | 2023-08-31 | 江苏大学 | Mechanical-double-ring-hydraulic composite transmission mechanism |
| CN116733913A (en) * | 2023-08-07 | 2023-09-12 | 西安法士特汽车传动有限公司 | Stepless speed change transmission system and control method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US10955038B1 (en) | 2019-10-08 | 2021-03-23 | Jiangsu University | Hydro-mechanical hybrid transmission device with multiple power distribution modes and control method thereof |
| WO2021068284A1 (en) * | 2019-10-08 | 2021-04-15 | 江苏大学 | Mechanical hydraulic compound transmission apparatus having multiple power distribution modes and control method |
| GB2596367A (en) * | 2019-10-08 | 2021-12-29 | Univ Jiangsu | Mechanical Hydraulic Compound Transmission Apparatus Having Multiple Power Distribution Modes and Control Method |
| JP2022522237A (en) * | 2019-10-08 | 2022-04-14 | 江▲蘇▼大学 | Mechanical hydraulic compound transmission and control method in multiple output distribution mode |
| JP7094056B2 (en) | 2019-10-08 | 2022-07-01 | 江▲蘇▼大学 | Mechanical hydraulic compound transmission and control method in multiple output distribution mode |
| GB2596367B (en) * | 2019-10-08 | 2022-12-07 | Univ Jiangsu | Hydro-mechanical hybrid transmission device with multiple power distribution modes and control method thereof |
| WO2023159534A1 (en) * | 2022-02-25 | 2023-08-31 | 江苏大学 | Mechanical-double-ring-hydraulic composite transmission mechanism |
| GB2619635A (en) * | 2022-02-25 | 2023-12-13 | Univ Jiangsu | Mechanical-double-ring-hydraulic composite transmission mechanism |
| CN116733913A (en) * | 2023-08-07 | 2023-09-12 | 西安法士特汽车传动有限公司 | Stepless speed change transmission system and control method thereof |
| CN116733913B (en) * | 2023-08-07 | 2023-12-08 | 西安法士特汽车传动有限公司 | Stepless speed change transmission system and control method thereof |
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