CN109505931A - A kind of commutation of tractor dynamic power and power high to low gear gearbox transmission mechanism - Google Patents
A kind of commutation of tractor dynamic power and power high to low gear gearbox transmission mechanism Download PDFInfo
- Publication number
- CN109505931A CN109505931A CN201811639217.1A CN201811639217A CN109505931A CN 109505931 A CN109505931 A CN 109505931A CN 201811639217 A CN201811639217 A CN 201811639217A CN 109505931 A CN109505931 A CN 109505931A
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- low
- commutation
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 title claims abstract description 22
- 230000007704 transition Effects 0.000 claims abstract description 14
- 230000008859 change Effects 0.000 claims description 25
- 208000032370 Secondary transmission Diseases 0.000 claims description 7
- 230000009194 climbing Effects 0.000 claims description 4
- 239000002131 composite material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 description 9
- 230000008569 process Effects 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000007812 deficiency Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241001347978 Major minor Species 0.000 description 1
- 241000219098 Parthenocissus Species 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
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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
- F16H3/00—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion
- F16H3/02—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion
- F16H3/08—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts
- F16H3/12—Toothed gearings for conveying rotary motion with variable gear ratio or for reversing rotary motion without gears having orbital motion exclusively or essentially with continuously meshing gears, that can be disengaged from their shafts with means for synchronisation not incorporated in the clutches
-
- 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
- F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
- F16H59/02—Selector apparatus
-
- 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
- F16H2306/00—Shifting
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention belongs to tractor technical fields, it is related to a kind of commutation of tractor dynamic power and power high to low gear gearbox transmission mechanism, including being separately positioned on the intracorporal power commutation of two casees and power high and low shift module, mechanical changeover module, the power commutation and power high and low shift module include power input shaft and power commutation and power high to low gear gearshift, the power commutation and power high to low gear gearshift include and power input shaft clutch shaft disposed in parallel and reverse transition gear axis, power steering clutch is successively arranged on the clutch shaft, power high gear gear set, power shifting clutch and power low gear gear set, the reverse transition gear axis is equipped with reverse gear group.Power commutation and power shifting can be achieved at the same time in the present invention, is particularly suitable for horizontal existing Chinese Agricultural Machinery enterprise machine-building and China's actual conditions and the market demand, cost performance with higher and product gear, can promote power shifting technology in the propulsion of China's agriculture field.
Description
Technical field
The invention belongs to tractor technical fields, and in particular to a kind of commutation of tractor dynamic power and power high to low gear gearbox
Transmission mechanism.
Background technique
Dynamic power shift gear box can shift gears in the case where tractor loads power transmission, and power does not interrupt in shift process, with
Domestic big-and-middle horsepower tractor is still routinely hung eliminant gearbox with balladeur train etc. and compared, in the work item that resistance changes greatly
Productivity 10%~20% can be improved under part, and it is more smooth, fast to shift gears, extend gear and the average of transmission system uses the longevity
Life mitigates the labor intensity of driver, improves tractors and economy.Power shift is the hair of tractor chassis technology
Direction is opened up, is the demand of dynamic power machine technology upgrading, from market itself and terminal requirements.Enterprise is only with the market demand
Innovative driving influence pushes self-technique development, could higher itself competitiveness of promotion.Power shifting technology is tractor to height
The important symbol of grade stage development, is of great significance to the exploitation of tractor dynamic power shift type.
Summary of the invention
The purpose of the present invention is to solve shortcomings and deficiencies existing in the prior art, and it is only to provide a kind of advanced structure
Wound, manufacturing cost is low, compact-sized, high reliablity, and power commutation and the tractor dynamic power commutation of power shifting can be achieved at the same time
With power high to low gear gearbox transmission mechanism.
To achieve the above object, the technical scheme adopted by the invention is that: a kind of commutation of tractor dynamic power and power height
Gearbox transmission mechanism is kept off, including is separately positioned on the intracorporal power commutation of two casees and power high and low shift module, mechanical changeover
Module, the power commutation and power high and low shift module include power input shaft and power commutation and power high to low gear shift dress
It sets, power commutation and power high to low gear gearshift include and power input shaft clutch shaft disposed in parallel and reversed gear
Cross gear shaft, be successively arranged on the clutch shaft power steering clutch, power high gear gear set, power shifting clutch and
Power low gear gear set, the reverse transition gear axis are equipped with reverse gear group, and the mechanical changeover module includes and clutch
I axis of device axis connection and II axis being connect with power input shaft, I axis be equipped with main transformer speed driving gear group with it is synchronous
Device, II axis are equipped with main transformer speed driven gear group, and secondary speed change output shaft is additionally provided with below II axis, and the pair speed change is defeated
Axis connection climbing mechanism out.
Preferably, the secondary speed change output shaft is equipped with secondary transmission gear group, the main transformer speed driving gear group, main transformer speed
It is intermeshed between driven gear group and secondary transmission gear group three, distribution triangular in shape.
Preferably, the main transformer speed driven gear group includes first gear, second gear, three gear gears and four gear gears.
Preferably, the secondary transmission gear group includes middle gear gear, high gear gear and low gear gear.
Preferably, the three gear gear and high gear gear are composite gear.
Preferably, double structure is used between the three gear gear and four gear gears.
Preferably, I axis, II axis and secondary speed change output shaft both ends are all made of roller bearings.
Preferably, it is engaged between the clutch shaft and reverse transition gear axis by gear, the reverse transition gear
It is engaged between axis and power input shaft by gear.
After adopting the above technical scheme, the invention has the following advantages:
A kind of tractor dynamic power commutation provided by the invention and power high to low gear gearbox transmission mechanism, are 24F+12R group
Accepted way of doing sth gearbox, using modularized design, gear density is big and reasonable, can choose to install creeper gear；Can realize simultaneously power shifting and
Power commutation, control power commutation and power high to low gear shift clutch is arranged in same box cavity, power shifting and
Reverse clutch oil groove is integrated on an axis, and hydraulic circuit arrangement is smooth, easy to process, cabinet band oilhole, and electrically-controlled valve is direct
Installation increases reliability；Mechanical changeover module is 4 × 3 modules, is mainly provided with main transformer speed section and secondary speed change section, and main
Secondary speed change section is placed in same box cavity, and using three shaft space structures of original creation, axial dimension is short, compact-sized,
Gear negligible amounts when realizing same gear, drive path is short compared with the similar gearbox in market, and transmission efficiency is high；Main transformer speed 3,
4 gear driven gears use double structure, while composite gear between 3 gear of main transformer speed and secondary speed change high gear, and secondary speed change output shaft is again
Toothholder is engaged as driven gear is kept off in secondary speed change, these designs can not only preferably guarantee concentricity, also simplify knot
Structure reduces costs, and has originality；Gearbox all uses helical teeth to be driven, and mechanical main transformer speed is shifted gears using synchronizer；To sum up
Described, the present invention has the advantages that compact-sized, multiple functional, transmission efficiency is high, manufacturing cost is low etc., and power can be achieved at the same time and change
To and power shifting, have very big market value, should be widely promoted application.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of tractor dynamic power commutation and power high to low gear gearbox transmission mechanism of the present invention；
Fig. 2 is A-A sectional view of the present invention；
Fig. 3 is B-B sectional view of the present invention.
Wherein: power input shaft 1, clutch shaft 2, reverse transition gear axis 3, power steering clutch 4, power high gear tooth
Wheel group 5, power shifting clutch 6, power low gear gear set 7, reverse gear group 8, I axis 9, II axis 10, main transformer speed driving gear
Group 11, synchronizer 12, main transformer speed driven gear group 13, first gear 131, second gear 132, three keep off gear 133, four and keep off gear
134, secondary speed change output shaft 14, climbing mechanism 15, secondary transmission gear group 16, middle gear gear 161, high gear gear 162, low gear gear
163, power commutation and power high and low shift module 17, mechanical changeover module 18.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and detailed description.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc.
Term should broadly understood, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect
It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary
The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings
Condition understands the concrete meaning of above-mentioned term in the present invention.
As shown in Figure 1-3, the present embodiment provides a kind of commutation of tractor dynamic power and power high to low gear gearbox transmission mechanism,
Including being separately positioned on the intracorporal power commutation of two casees and power high and low shift module 17, mechanical changeover module 18, the power
Commutation and power high and low shift module 17 include power input shaft 1 and power commutation and power high to low gear gearshift, power commutation
And power high to low gear gearshift is disposed with end cap, bearing, clutch shaft 2, reverse gear group 8, power in the axial direction
Reverse clutch 4, power high gear gear set 5, power shifting clutch 6, power low gear gear set 7, the end cap and clutch 2
Oil circuit arrangement is smooth, and the power commutation and power high to low gear gearshift are arranged in same box cavity, 2 He of clutch shaft
Reverse transition gear axis 3 is parallel with power input shaft 1, is successively arranged power steering clutch 4, power on the clutch shaft 2
High gear gear set 5, power shifting clutch 6 and power low gear gear set 7, the reverse transition gear axis 3 are equipped with the tooth that reverses gear
Wheel group 8, the mechanical changeover module include I axis 9 connecting with clutch shaft 2 and II axis 10 connecting with power input shaft 1,
I axis 9 is equipped with main transformer speed driving gear group 11 and synchronizer 12, and II axis 10 is equipped with main transformer speed driven gear group
13, secondary speed change output shaft 14 is additionally provided with below II axis 10, the pair speed change output shaft 14 connects climbing mechanism 15.
Wherein, the secondary speed change output shaft 14 is equipped with secondary transmission gear group 16, the main transformer speed driving gear group 11, master
It is intermeshed between speed change driven gear group 13 and secondary 16 three of transmission gear group, distribution triangular in shape, the main transformer speed quilt
Moving gear group 13 includes first gear 131, second gear 132, three gear gears 133 and four gear gears 134, the pair transmission gear
Group 16 includes middle gear gear 161, high gear gear 162 and low gear gear 163, and the three gear gear 133 and high gear gear 162 are public affairs
With gear, double structure is used between the three gear gear 133 and four gear gears 134, I axis 9, II axis 10 and secondary speed change are defeated
14 both ends of shaft are all made of roller bearings, are engaged between the clutch shaft 2 and reverse transition gear axis 3 by gear,
It is engaged between the reverse transition gear axis 3 and power input shaft 1 by gear.
A kind of tractor dynamic power commutation of the present invention and power high to low gear gearbox transmission mechanism are specific to shift gears commutation process such as
Under: if current shift is in low 2 gear of power, according to data such as the engine torques detected, 3 gear synchronizers are pre- by electric-control system
It first combines, power low range clutch gradually separates, and power high gear clutch gradually separates combination, changes power into from low 2 gear of power
High 3 gear, entire shift process power do not interrupt, remaining shift process is similar.Pass through automatically controlled shift synchronizer and two clutches
Cooperation is, it can be achieved that low 1 gear of power keeps off the power shifting of the entire section of main transformer speed to power high 4；Power commutation process is as follows: working as machine
When device is in forward travel state, power steering clutch is separation, when being fallen back, friction in power steering clutch
Piece engages under the promotion of hydraulic system with the driven gear upper spline that reverses gear, and realizes and falls back.
The present invention is 24F+12R complex transmission, and using modularized design, gear density is big and reasonable, can choose to install and climb
Row shelves can realize that power shifting and power commutation, the clutch that the commutation of control power and power high to low gear are shifted gears are arranged in simultaneously
In same box cavity, and power shifting and reverse clutch oil groove are integrated on an axis, and hydraulic circuit arrangement is smooth, are convenient for
Processing, while cabinet band oilhole, electrically-controlled valve are mounted directly, and increase reliability.
4 × 3 module of mechanical changeover of the present invention is mainly provided with main transformer speed section and secondary speed change section, and major-minor variable speed section
It is placed in same box cavity, and using three shaft space structures of original creation, axial dimension is short, it is compact-sized, realize same shelves
Gear negligible amounts when position, drive path is short compared with the similar gearbox in market, and transmission efficiency is high.
Main transformer speed 3,4 of the present invention keeps off driven gear and uses double structure, while public between 3 gear of main transformer speed and secondary speed change high gear
With gear, secondary speed change output shaft engages toothholder as gear driven gear in secondary speed change again, these designs can not only preferably guarantee
Concentricity also simplifies structure, reduces costs, and has originality.
Gearbox of the present invention all uses helical teeth to be driven, and has the characteristics that driving torque is big, noise is small, and mechanical main transformer speed is adopted
Shifted gears with synchronizer, shifting element can without impact enter engagement, shift easily, shift tooth section it is not frayed, stable drive,.
Simultaneously according to horsepower section size, the scaling design of gearbox components extends to each horsepower of section.
In conclusion the present invention provides a kind of advanced structures to create, manufacturing cost is low, high reliablity, can be achieved at the same time
Power commutation and power high to low gear manual transmission can overcome the disadvantages that existing dynamic power shift gear box structure is complicated, is at high cost, axial ruler
The deficiencies of very little longer, is particularly suitable for horizontal existing Chinese Agricultural Machinery enterprise machine-building and China's actual conditions and the market demand, have compared with
High cost performance and product gear, can promote power shifting technology in the propulsion of China's agriculture field.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (8)
1. a kind of commutation of tractor dynamic power and power high to low gear gearbox transmission mechanism, including to be separately positioned on two casees intracorporal
Power commutation and power high and low shift module (17), mechanical changeover module (18), it is characterised in that: the power commutation and power are high
Low-grade module (17) includes power input shaft (1) and power commutation and power high to low gear gearshift, and the power is commutated and moved
Power high to low gear gearshift include with power input shaft (1) clutch shaft disposed in parallel (2) and reverse transition gear axis (3),
Power steering clutch (4), power high gear gear set (5), power shifting clutch are successively arranged on the clutch shaft (2)
(6) and power low gear gear set (7), the reverse transition gear axis (3) are equipped with reverse gear group (8), the mechanical changeover
Module includes I axis (9) connecting with clutch shaft (2) and II axis (10) connecting with power input shaft (1), I axis (9)
It is equipped with main transformer speed driving gear group (11) and synchronizer (12), II axis (10) is equipped with main transformer speed driven gear group
(13), secondary speed change output shaft (14) is additionally provided with below II axis (10), the pair speed change output shaft (14) connects climbing mechanism
(15)。
2. a kind of tractor dynamic power commutation according to claim 1 and power high to low gear gearbox transmission mechanism, feature
Be: the pair speed change output shaft (14) is equipped with secondary transmission gear group (16), the main transformer speed driving gear group (11), main transformer
It is intermeshed between fast driven gear group (13) and secondary transmission gear group (16) three, distribution triangular in shape.
3. a kind of tractor dynamic power commutation according to claim 2 and power high to low gear gearbox transmission mechanism, feature
Be: the main transformer speed driven gear group (13) includes first gear (131), second gear (132), three gears gear (133) and
Four gears gear (134).
4. a kind of tractor dynamic power commutation according to claim 3 and power high to low gear gearbox transmission mechanism, feature
Be: the pair transmission gear group (16) includes middle gear gear (161), high gear gear (162) and low gear gear (163).
5. a kind of tractor dynamic power commutation according to claim 4 and power high to low gear gearbox transmission mechanism, feature
Be: described three keep off gear (133) and high gear gear (162) as composite gear.
6. a kind of tractor dynamic power commutation according to claim 3 and power high to low gear gearbox transmission mechanism, feature
It is: using double structure between three gear gear (133) and four gears gear (134).
7. a kind of tractor dynamic power commutation according to claim 1 and power high to low gear gearbox transmission mechanism, feature
Be: I axis (9), II axis (10) and secondary speed change output shaft (14) both ends are all made of roller bearings.
8. a kind of tractor dynamic power commutation according to claim 1 and power high to low gear gearbox transmission mechanism, feature
It is: is engaged between the clutch shaft (2) and reverse transition gear axis (3) by gear, the reverse transition gear axis (3)
It is engaged between power input shaft (1) by gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811639217.1A CN109505931B (en) | 2018-12-29 | 2018-12-29 | Tractor power reversing and power high-low gear gearbox transmission mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811639217.1A CN109505931B (en) | 2018-12-29 | 2018-12-29 | Tractor power reversing and power high-low gear gearbox transmission mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109505931A true CN109505931A (en) | 2019-03-22 |
| CN109505931B CN109505931B (en) | 2024-09-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811639217.1A Active CN109505931B (en) | 2018-12-29 | 2018-12-29 | Tractor power reversing and power high-low gear gearbox transmission mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN109505931B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032262A (en) * | 2020-09-01 | 2020-12-04 | 江苏沃得农业机械股份有限公司 | Tractor power reversing gearbox transmission device |
| CN113417976A (en) * | 2021-07-20 | 2021-09-21 | 山东农富传动科技有限公司 | Novel automatic gear shifting speed change assembly |
| CN114704599A (en) * | 2022-04-02 | 2022-07-05 | 江苏沃得农业机械股份有限公司 | Power reversing and power high-low gear shifting gearbox of tractor |
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| JPH0424120A (en) * | 1990-05-18 | 1992-01-28 | Iseki & Co Ltd | Transmission gear for tractor |
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| CN106704497A (en) * | 2016-11-17 | 2017-05-24 | 河南科技大学 | Double-clutch transmission used in multi-gear tractor |
| CN107165990A (en) * | 2017-07-20 | 2017-09-15 | 浙江海天机械有限公司 | There is the transmission assembly that power high to low gear and power commutate for tractor |
| CN107461472A (en) * | 2017-08-29 | 2017-12-12 | 徐州凯尔农业装备股份有限公司 | Power shifting and power commutation gear box of tractor |
| CN207975196U (en) * | 2018-02-06 | 2018-10-16 | 江苏沃得农业机械有限公司 | Gearbox transmission device of tractor |
| CN209414529U (en) * | 2018-12-29 | 2019-09-20 | 江苏沃得农业机械有限公司 | A kind of commutation of tractor dynamic power and power high to low gear gearbox transmission mechanism |
-
2018
- 2018-12-29 CN CN201811639217.1A patent/CN109505931B/en active Active
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| JPH0424120A (en) * | 1990-05-18 | 1992-01-28 | Iseki & Co Ltd | Transmission gear for tractor |
| JP2002257202A (en) * | 2001-02-27 | 2002-09-11 | Kubota Corp | Shuttle device of traveling vehicle |
| CN1672972A (en) * | 2004-03-22 | 2005-09-28 | 株式会社久保田 | Transmission system for tractor |
| CN102537288A (en) * | 2012-01-15 | 2012-07-04 | 福田雷沃国际重工股份有限公司 | Tractor speed change device with 16+16 gears |
| WO2014030969A1 (en) * | 2012-08-23 | 2014-02-27 | 대동공업 주식회사 | Shuttle gearbox for agricultural working vehicle |
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| CN209414529U (en) * | 2018-12-29 | 2019-09-20 | 江苏沃得农业机械有限公司 | A kind of commutation of tractor dynamic power and power high to low gear gearbox transmission mechanism |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032262A (en) * | 2020-09-01 | 2020-12-04 | 江苏沃得农业机械股份有限公司 | Tractor power reversing gearbox transmission device |
| CN113417976A (en) * | 2021-07-20 | 2021-09-21 | 山东农富传动科技有限公司 | Novel automatic gear shifting speed change assembly |
| CN114704599A (en) * | 2022-04-02 | 2022-07-05 | 江苏沃得农业机械股份有限公司 | Power reversing and power high-low gear shifting gearbox of tractor |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109505931B (en) | 2024-09-17 |
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| CB02 | Change of applicant information |
Address after: 213000 Zhenjiang City, Jiangsu city of Danyang province Beizhen City Industrial Park, Dan pi Applicant after: Jiangsu wode Agricultural Machinery Co.,Ltd. Address before: 213000 Zhenjiang City, Jiangsu city of Danyang province Beizhen City Industrial Park, Dan pi Applicant before: JIANGSU WORLD AGRICULTURAL MACHINERY Co.,Ltd. |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |