CN105605183B - Infinitely variable transmission drives in a kind of machine liquid association for big-powered tractor - Google Patents
Infinitely variable transmission drives in a kind of machine liquid association for big-powered tractor Download PDFInfo
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- CN105605183B CN105605183B CN201610136427.3A CN201610136427A CN105605183B CN 105605183 B CN105605183 B CN 105605183B CN 201610136427 A CN201610136427 A CN 201610136427A CN 105605183 B CN105605183 B CN 105605183B
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- gear
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- power transmission
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- transmission system
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- 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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of hydraulic machinery infinitely variable transmission, including machine driven system and Hydraulic Power Transmission System, the Hydraulic Power Transmission System includes variable pump, fixed displacement motor and flow of pressurized input shaft, the fixed displacement motor is connected with variable pump by oil pipe, the machine driven system includes PTO input shafts, mechanical flow input shaft, output shaft and planetary gears;One end of the PTO output shafts is connected with engine, it is engaged by gear mesh and is connected with pump input shaft and mechanical flow input shaft at the same time, the mechanical flow input shaft is equipped with the first planet row of first clutch, the flow of pressurized input shaft is equipped with second clutch and the second planet row, it is connected with each other between first planet row and the second planet row, the output shaft is equipped with the 3rd clutch, the 4th clutch, the 5th clutch and the 6th clutch.The present invention can realize self shifter, and power does not interrupt during gear shift, tractor smooth ride.
Description
Technical field
The present invention relates to a kind of gearbox, and in particular to a kind of machine liquid suitable for the dual-purpose 100 horsepowers of tractors of floods and droughts field
Infinitely variable transmission drives in association, belongs to vehicle system dynamics and control technology field.
Background technology
Tractor is important agricultural production machinery, has more operation range, traditional tractor shift process is complete
Undertaken entirely by driver, not only labor intensity is big, speed change that scope is small and speed can only phase step type change, driver shifting gears
When jolt sense, and be not easy to realize that the optimal fuel economy of gearbox and engine or dynamic property match, so as to waste energy
Source.
The content of the invention
In place of to overcome above-mentioned the deficiencies in the prior art, there is provided stepless speed regulation can be achieved at the same time in one kind
The hydraulic machinery infinitely variable transmission of section (shelves) is changed with power.
The present invention adopts the technical scheme that:Buncher drives in a kind of machine liquid association for big-powered tractor, including
Power feed system, the mechanical power transmission system being arranged on the right side of power feed system and hydraulic power transmission system and position
Power output system below mechanical power transmission system and hydraulic power transmission system;
The power feed system includes engine, PTO output shafts, and the PTO output shafts are connected with engine, at the same time
Driving pinion is installed, the driving pinion is nibbled with the first transmission pinion and the second transmission pinion on PTO output shafts
Close, motivation will be started to be delivered to mechanical power transmission system and hydraulic power transmission system respectively,
The mechanical power transmission input system includes mechanical flow input shaft, support shaft one and connection mechanical flow input shaft
With the 6th clutch of support shaft one, the power of the 6th clutch negative control tool power drive system inputs the second planet
The gear ring of the planet carrier of row and the first planet row, equipped with the second transmission pinion, the support shaft on the mechanical flow input shaft
One is equipped with two grades of driving gears, the first rolling bearing, reverse driving gear and the second planet row, the support successively from left end
Idler shaft is equipped between axis one and power output system, the idler shaft is equipped with idle pulley, and the idle pulley connects driving gear and moves
The reverse gear driven gear of power output system, travels for reverse gear;
The hydraulic power transmission system mainly include first transmission pinion, pump input shaft, variable pump, fixed displacement motor and
Flow of pressurized input shaft, the described first transmission pinion are installed in pump input shaft, the pump input shaft and the coaxial phase of variable pump
Even, the variable pump is connected by hydraulic oil pipe with fixed displacement motor, and the output terminal of the fixed displacement motor is connected with motor output shaft,
The motor output shaft is engaged by hydraulic drive master gear with hydraulic pressure transmission gear on flow of pressurized input shaft;The flow of pressurized
It is equipped with successively equipped with one grade of driving gear, the second rolling bearing, third gear driving tooth on the left of hydraulic drive pinion on input shaft
Wheel and the first planet row, are equipped with hydraulic pressure driving gear and the 5th clutch, the flow of pressurized is defeated on the right side of hydraulic drive pinion
Enter axis and be equipped with transition axis with power output system, the transition axis left end is equipped with First Transition gear, and right end is equipped with the second transition
Gear, the First Transition gear are meshed with hydraulic drive master gear, second transition gear and power output system
Starting gear driven gear is meshed;
Further, the transition gear includes the First Transition gear and the second transition gear being installed on transition axis,
The First Transition gear is connected with the intermeshing of hydraulic pressure driving gear, and the second transition gear is intermeshed with hydraulic pressure driven gear
Connection;
The first planet toothrow circle is connected with the planet carrier of the second planet row;
First rolling bearing is located at two grades between driving gear and reverse driving gear, the second rolling bearing position
Between third speed drive gear and one grade of driving gear;
The first clutch, second clutch, the 3rd clutch, the 4th clutch, the 5th clutch and the 6th clutch
Device is wet clutch;
The gearbox has three drive shifts and a reverse gear, its gearratio is respectively i1=2.012, i2=1.545, i3
=0.374, i=8.465;
The beneficial effects of the invention are as follows:(1) fast ratio can be automatically adjusted according to the change of load torque and travel speed, makes hair
Motivation always works in the optimal economic operating point in universal characteristic or best power source operating point, and then realizes complete machine of tractor
Optimal fuel economy or dynamic property.(2) using liquid as partial power transfer medium, considerably reduce transmission system load, can
Effectively engine is avoided to stop working because of overload to obtain situation, so as to greatly improve the service life of related components.(3) not only can be with
Power does not interrupt when realizing from moving section, and changing section, so that tractor smooth ride, easy to operate, reduces driver's labor
Fatigue resistance.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the present invention.
Fig. 2 is the power feed system structure diagram of the present invention
Fig. 3 is the hydraulic power transmission system structure diagram of the present invention
Fig. 4 is the mechanical power transmission system structure diagram of the present invention
Fig. 5 is the power output system structure diagram of the present invention
Wherein:
100 power feed systems, 101 engines, 102 driving pinions, 103PTO output shafts;
200 hydraulic power transmission systems, 201 first transmission pinions, 202 pump input shafts, 203 variable pumps, 204 hydraulic oil
Pipe, 205 fixed displacement motors, 206 the 5th clutches, 207 flow of pressurized input shafts, 208 motor output shafts, 209 hydraulic drive master gears,
210 hydraulic drive pinions, 211 1 grades of driving gears, 212 second rolling bearings, 213 third speed drive gears, 214 first planets
Row, 215 hydraulic pressure driving gears, 216 transition axises, 217 First Transition gears, 218 second transition gears, 219 first planet toothrows
Circle;
300 mechanical power transmission systems, 301 mechanical flow input shafts, 302 support shafts one, 303 the 6th clutches, 304 second
Transmission pinion, 305 2 grades of driving gears, 306 first rolling bearings, 307 reverse driving gears, 308 second planet rows, 309
Idler shaft, 310 idle pulleys, 311 second planet row gear rings, 312 second planet row planet carriers;
400 power output systems, 401 output shafts, 402 2 grades of driven gears, 403 reverse gear driven gears, 404 third gear are driven
Gear, 405 first speed driven gears, 406 starting gear driven gears, 407 support shafts two, 408 support shafts three, 409 support shafts four,
410 support shafts five, 411 support shafts six, 412 second clutches, 413 the 4th clutches, 414 the 3rd clutches, 415 first clutches
Device;
Embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1, buncher drives in a kind of machine liquid association, it includes power feed system 100, hydraulic power transmission system
System 200, mechanical power transmission system 300 and power output system 400, wherein engine directly connect with PTO output shafts 103
Connect, driving pinion 102 is driven the engagement connection of pinion 301 respectively at the first transmission pinion 201, second, will start motor-driven
Power is delivered to hydraulic power transmission system 200 and mechanical power transmission system 300;
The further hydraulic power into hydraulic power transmission system 200 passes through hydraulic drive master gear 209 and hydraulic pressure
Transmission pinion 210 is delivered to flow of pressurized input shaft 207, and the hydraulic power for being delivered to flow of pressurized input shaft 207 is turned left and is delivered to
First planet row 214;
The hydraulic power of flow of pressurized input shaft 207 is delivered to, is turned right by hydraulic pressure driving gear 215, First Transition gear
217th, the second transition gear 218, is delivered to the starting gear driven gear 406 of power output system 400, realizes starting;
Since variable pump 203 and fixed displacement motor 205 are made up of hydraulic oil pipe 204 in hydraulic power transmission system 200
Circuit system, the discharge capacity that can be pumped by regulated variable, realizes the consecutive variations that hydraulic power exports, so hydraulic power transmission system
The hydraulic power transmitted in system 200, has the characteristics that adjustable consecutive variations, then for starting gear, the power of output is just
The adjustable, consecutive variations of meeting, output speed will adjustable, consecutive variations;
The further machine power for being delivered to mechanical power transmission system 300 enters by the second transmission pinion 301
Second planet row 308;
It is further to be delivered to the hydraulic power of the first planet row 214 and be delivered to the machine power of the second planet row 308,
In the first planet row 214 and the second converging into action edge of planet row 308, the power after converging is delivered to one grade of driving gear
211st, two grades of driving gears 305, third speed drive gear 213 and reverse driving gear 307;
, can be by the power after converging from one grade of driving gear 211 further by controlling the combination of first clutch 415
First speed driven gear 405 is delivered to, realizes one grade;Same control second clutch 412 can be by the power after converging from two grades of masters
Moving gear 305 is delivered to two grades of driven gears 402, realizes two grades;Based on the above-mentioned control to clutch, then control the 3rd from
Clutch 414, it is possible to achieve third gear, controls the 4th clutch 413, it is possible to achieve reverse gear;
Further due in hydraulic power transmission system 200 variable pump 203 and fixed displacement motor 205 pass through hydraulic oil pipe
The circuit system of 204 compositions, the discharge capacity that can be pumped by regulated variable, realizes the consecutive variations that hydraulic power exports, then hydraulic pressure moves
The hydraulic power transmitted in power transmission system 200, has the characteristics that adjustable, consecutive variations, into the hydraulic pressure of the first planet row 214
Power also has the characteristics that adjustable, consecutive variations, then it is above-mentioned converge after be delivered to one grade of driving gear, 211, two grades of driving gears
305th, the power that converges of third speed drive gear 213 and reverse driving gear 307 also has the characteristics that adjustable, consecutive variations, so
One grade, two grades, third gear and reverse gear output power will adjustable, consecutive variations, output speed will adjustable, consecutive variations;
Part that the present invention does not relate to is same as the prior art or can be realized using the prior art.
Claims (5)
1. infinitely variable transmission drives in a kind of machine liquid association for big-powered tractor, it is characterised in that:Including power feed system
(100), mechanical power transmission system (300) and the hydraulic power transmission system being arranged at below power feed system (100)
(200) and the power output system below mechanical power transmission system (300) and hydraulic power transmission system (200)
(400),
The power feed system (100) mainly includes engine (101), driving pinion (102), PTO output shafts (103),
Engine (101) output shaft and PTO output shafts (103) are coaxially connected, and it is defeated that the driving pinion (102) is installed on PTO
On shaft (103), pinion (201) and mechanical power transmission system are driven with hydraulic power transmission system (200) first respectively
(300) the second transmission pinion (304) is meshed in;
The hydraulic power transmission system (200) mainly includes the first transmission pinion (201), pump input shaft (202), variable pump
(203), fixed displacement motor (205) and flow of pressurized input shaft (207), the described first transmission pinion (201) are installed on pump and input
On axis (202), the pump input shaft (202) with variable pump (203) is coaxial is connected, the variable pump (203) passes through hydraulic oil pipe
(204) it is connected with fixed displacement motor (205), the output terminal of the fixed displacement motor (205) is connected with motor output shaft (208), described
Motor output shaft (208) passes through the hydraulic drive pinion on hydraulic drive master gear (209) and flow of pressurized input shaft (207)
(210) engage;One grade of driving tooth is equipped with successively on the left of hydraulic drive pinion (210) on the flow of pressurized input shaft (207)
(211), the second rolling bearing (212), third speed drive gear (213) and the first planet row (214) are taken turns, in hydraulic drive pinion
(210) right side is equipped with hydraulic pressure driving gear (215) and the 5th clutch (206), and the flow of pressurized input shaft (207) and power are defeated
Go out between system (400) and be equipped with transition axis (216), transition axis (216) left end is equipped with First Transition gear (217), right end
Equipped with the second transition gear (218), the First Transition gear (217) is meshed with hydraulic drive master gear (215), and described
Two transition gears (218) are meshed with the starting gear driven gear (406) of power output system (400);
The mechanical power transmission system (300) mainly includes mechanical flow input shaft (301), support shaft one (302) and connection
6th clutch (303) of mechanical flow input shaft (301) and support shaft one (302), is equipped with the mechanical flow input shaft (301)
Second transmission pinion (304), the support shaft one (302) are equipped with two grades of driving gears (305), the first rolling from left end successively
Bearing (306), reverse driving gear (307) and the second planet row (308), the support shaft one (302) and power take-off system
Idler shaft (309) is equipped between system (400), the idler shaft (309) is equipped with idle pulley (310), and the idle pulley (310) connects reverse gear
The reverse gear driven gear (403) of driving gear (307) and power output system (400);
The power output system (400) is mainly driven including combined output shaft (401), two grades of driven gears (402), reverse gears
Gear (403), third gear driven gear (404), first speed driven gear (405) and starting gear driven gear (406), the group
Mould assembly output shaft (401) is by support shaft two (407), support shaft three (408), support shaft four (409), support shaft five (410), support
Five sections of axis six (411) etc. is coaxial to be formed, and is equipped with second clutch (412), the 4th clutch between adjacent two support shaft successively
(413), the 3rd clutch (414) and first clutch (415), two grades of driven gears (402) and two grades of driving gears
(305) it is meshed, the reverse gear driven gear (403) is meshed with idle pulley (310), the third gear driven gear (404) and three
Shelves driving gear (213) is meshed, and the first speed driven gear (405) is meshed with one grade of driving gear (211), the starting
Shelves driven gear (406) is meshed with the second transition gear (218).
2. infinitely variable transmission drives in a kind of machine liquid association for big-powered tractor according to claim 1, it is characterised in that:
The gear ring (311) of second planet row (308) is connected firmly with support shaft one (302), the planet carrier of second planet row (308)
(312) gear ring (219) with the first planet row (214) mutually connects firmly.
3. infinitely variable transmission drives in a kind of machine liquid association for big-powered tractor according to claim 1, it is characterised in that:
The first clutch (415), second clutch (412), the 3rd clutch (414), the 4th clutch (413), the 5th clutch
Device (206) and the 6th clutch (303) are wet clutch.
4. infinitely variable transmission drives in a kind of machine liquid association for big-powered tractor according to claim 1 or 2, its feature exists
In:The gearbox has three drive shifts and a reverse gear, its gearratio is respectively i1=2.012, i2=1.545, i3=
0.374、i =8.465.
5. infinitely variable transmission drives in a kind of machine liquid association for big-powered tractor according to Claims 1 to 4 any one
Operating method, its feature include following steps:
Step 1:Engine (101) on PTO output shafts (103) through being driven gear (102), to hydraulic power transmission system
(200) and mechanical power transmission system (300) passing power;
Step 2:The power of hydraulic power transmission system (200), successively by hydraulic drive master gear (209), hydraulic drive pair
Gear (210), flow of pressurized input shaft (207), the 5th clutch (206), First Transition gear (217), transition axis (216),
Two transition gears (218), drive starting gear driven gear (406), realize starting;
Step 3:After the completion of starting, hydraulic power transmission system (200) and mechanical power transmission system (300), respectively by one
Shelves driving gear (211) and first speed driven gear (405), two grades of driving gears (305) and two grades of driven gears (402), third gear
The power transmission of driving gear (213) and third gear driven gear (404), realizes 1 grade, 2 grades, 3 grades of operation;
Step 4:During reversing, hydraulic power transmission system (200) and mechanical power transmission system (300) pass through support shaft one
(302), the power transmission of driving gear (307), idle pulley (310), reverse gear driven gear (403), the 4th clutch (413), it is real
Existing car backing operation.
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CN201610136427.3A CN105605183B (en) | 2016-03-08 | 2016-03-08 | Infinitely variable transmission drives in a kind of machine liquid association for big-powered tractor |
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CN201610136427.3A CN105605183B (en) | 2016-03-08 | 2016-03-08 | Infinitely variable transmission drives in a kind of machine liquid association for big-powered tractor |
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CN105605183A CN105605183A (en) | 2016-05-25 |
CN105605183B true CN105605183B (en) | 2018-04-17 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN106763738B (en) * | 2016-12-26 | 2018-05-29 | 王军辉 | A kind of hydraulic continuously variable transmission |
CN109058403B (en) * | 2018-08-06 | 2024-01-02 | 陕西法士特齿轮有限责任公司 | Power split stepless speed change transmission system |
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CN85108414A (en) * | 1985-11-23 | 1987-05-27 | 株式会社岛津制作所 | Hydraulic-mechanical speed variator |
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CN102359567A (en) * | 2011-10-13 | 2012-02-22 | 南京农业大学 | Full-automatic continuously variable transmission of tractor |
CN205559721U (en) * | 2016-03-08 | 2016-09-07 | 南京农业大学 | A continuously variable transmission drives in quick -witted liquid association for high horse power tractor |
Family Cites Families (2)
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JP2004353690A (en) * | 2003-05-27 | 2004-12-16 | Komatsu Ltd | Hydraulic mechanical transmission |
CN101900192B (en) * | 2010-06-02 | 2013-06-19 | 宁波高新协力机电液有限公司 | Power dividing energy regenerated hydraulic mechanical stepless gearbox for hybrid electric vehicle |
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2016
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CN85108414A (en) * | 1985-11-23 | 1987-05-27 | 株式会社岛津制作所 | Hydraulic-mechanical speed variator |
CN201246458Y (en) * | 2008-04-22 | 2009-05-27 | 赵宏坚 | Mechanical and hydraulic combined transmission device |
CN102359567A (en) * | 2011-10-13 | 2012-02-22 | 南京农业大学 | Full-automatic continuously variable transmission of tractor |
CN205559721U (en) * | 2016-03-08 | 2016-09-07 | 南京农业大学 | A continuously variable transmission drives in quick -witted liquid association for high horse power tractor |
Non-Patent Citations (1)
Title |
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液压机械无级变速器的段内控制策略研究;田翠云;《中国优秀硕士学位论文全文数据库工程科技Ⅱ辑》;20110915(第09期);正文11-12、57-58页、图2.1 * |
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Effective date of registration: 20210319 Address after: 211121 No.12 Ruitai Road, industrial concentration area, Hushu street, Jiangning District, Nanjing City, Jiangsu Province Patentee after: NANJING CHUANGLI TRANSMISSION MACHINERY Co.,Ltd. Address before: 211225 Jiangsu Nanjing Lishui District Baima Town National Agricultural Science and Technology Park Nanjing Agricultural University base Patentee before: NANJING AGRICULTURAL University |
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