CN107830127A - The main speed-changing mechanism of gear box of tractor - Google Patents
The main speed-changing mechanism of gear box of tractor Download PDFInfo
- Publication number
- CN107830127A CN107830127A CN201711234370.1A CN201711234370A CN107830127A CN 107830127 A CN107830127 A CN 107830127A CN 201711234370 A CN201711234370 A CN 201711234370A CN 107830127 A CN107830127 A CN 107830127A
- Authority
- CN
- China
- Prior art keywords
- gear
- odd number
- jackshaft
- power
- shift
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
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
- 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
- F16H3/087—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 characterised by the disposition of the gears
- F16H3/093—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 characterised by the disposition of the gears with two or more countershafts
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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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
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/04—Smoothing ratio shift
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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
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02039—Gearboxes for particular applications
- F16H2057/02043—Gearboxes for particular applications for vehicle transmissions
- F16H2057/02056—Gearboxes for particular applications for vehicle transmissions for utility vehicles, e.g. tractors or agricultural machines
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a kind of main speed-changing mechanism of gear box of tractor, including casing, input shaft, power reversing device, power shift device, input shaft passes through casing, and power reversing device and power shift device are arranged in casing；Power reversing device includes duplicate gear, power steering clutch one, power steering clutch two, power shift device includes odd number gearshift and even number gearshift, odd number gearshift includes odd number gear shift clutch, jackshaft one, odd number shelves gear group, odd number gear shift axle, and even number gearshift includes even gear gear shift sleeve, jackshaft two, even gear gear train, even gear selector shaft；The present invention realizes that power shift and power commutate simultaneously, and manufacturing cost is low.
Description
Technical field
The present invention relates to a kind of transmission mechanisms, more particularly to a kind of main speed-changing mechanism of gear box of tractor, belong to machine
Tool technical field.
Background technology
In tractor conventional gearbox gearshift procedure, problems be present：Engine power output is interrupted, operating efficiency
Lowly, it is difficult to meet more complicated tractor work.And power shift technology can overcome the disadvantages that the deficiency of conventional gearbox, realize dynamic
Power continuously exports, and has higher operating efficiency, and the technology is also the emphasis direction of China's tractor technical research.
Fig. 3 is certain existing type Powershift transmission assembly mechanism sketch, and the gearbox uses multiple wet clutches
Engaging sleeve is configured with secondary speed change, and the uninterrupted gear-change operation of driver is realized by hydraulic control system.Compared to tradition machinery
Gear shift technology, the gearbox gear-shift technology realize power and continuously exported, and the operation comfort of driver are improved, in certain journey
Operation difficulty and labor intensity are reduced on degree, improves operation quality and operating efficiency.But with tractor work project and
Agricultural equipment it is increasing, tractor needs to set more gears, and gear is more, and structure is more complicated, and this is just to tractor
Market orientation and gear shifting quality propose higher requirement.Under this trend, there is certain lack in existing Powershift transmission
Fall into, its main deficiency is complicated, as four gears of power shift need the control of four wet clutches 5,6,7,8, manufacture
Complicated, cost height, due to four wet clutches arrangements on a shaft, cause axial dimension longer, space layout is not compact,
The defects of gearbox volume is excessive.
The content of the invention
It is an object of the invention to provide a kind of main speed-changing mechanism of gear box of tractor, while realize power shift and power
Commutation, manufacturing cost are low.
A kind of main speed-changing mechanism of gear box of tractor, including casing, input shaft, power reversing device, power shift dress
Put, input shaft passes through casing, and power reversing device and power shift device are arranged in casing；Power reversing device includes double
Join gear, power steering clutch one, power steering clutch two, be sequentially provided with the input of input shaft power commutate from
Clutch one, power steering clutch two, duplicate gear, power shift device include odd number gearshift and even number gearshift,
Odd number gearshift includes odd number gear shift clutch, jackshaft one, odd number shelves gear group, odd number gear shift axle, and odd number shelves change
Shelves clutch is arranged on jackshaft one, and odd number shelves gear group is arranged on odd number gear shift axle, and jackshaft one and odd number shelves change
Shelves axle is connected by the spline engagement of end face, and odd number gear shift clutch is nibbled by the phase of gear one of its gear and duplicate gear
Close, even number gearshift includes even gear gear shift sleeve, jackshaft two, even gear gear train, even gear selector shaft, even gear
Gear shift sleeve is arranged on jackshaft two, and even gear gear train is arranged on even gear selector shaft, jackshaft two and even gear
Selector shaft is connected by the spline engagement of end face, and even gear gear shift sleeve is nibbled by the gear two-phase of its gear and duplicate gear
Close.
The present invention further realizes by the following technical programs：
Further, input shaft, jackshaft one, the cross section of jackshaft two are triangularly arranged.
Further, the gear number of even gear gear train is consistent with the gear number of odd number shelves gear group.
Further, jackshaft one is consistent with the structure of jackshaft two.
Further, even gear gear shift sleeve is consistent with odd number gear shift clutch configuration.
Further, input shaft, jackshaft one, jackshaft two, even gear selector shaft, each end of odd number gear shift axle pass through
Bearing is arranged in casing.
Compared with prior art, the beneficial effects of the invention are as follows：
The present invention can realize the work(of power commutation and power shift simultaneously by power reversing device, power shift device
Can, and controlling the clutch of power commutation and power shift to be arranged in same box cavity, hydraulic circuit arrangement is smooth, is easy to
Processing, gear shift commutation reliability are high；Power shift device is provided with odd number gearshift and even number gearshift, using in space pair
Power is reached jackshaft one and jackshaft two by the structure of countershaft, input shaft by duplicate gear, and each jackshaft passes through arrangement
Clutch, odd number shelves and even gear are controlled respectively, it is only necessary to odd number gear shift clutch and even gear gear shift sleeve auxiliary electricity
The preset cooperation of control synchronizer achieves that the power shift of 8 gears of main transformer speed, and generally, traditional dead axle power changes
Shelves gearbox will realize that 8 gears need 8 gear shift sleeves, the mechanical structure greatly simplified, improve reliability, reduce
Manufacturing cost；Because the present invention is using two jackshafts, the structure type integral into triangle, axial dimension is shorter, can effectively control
Complete machine of tractor wheelbase processed, compact overall structure, volume are smaller；One is shared between power reversing device, power shift device
Duplicate gear, structure is relatively easy, reduces the coaxiality error of transmission process, anufacturability and better economy.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention；
Fig. 2 is the A-A sectional views of the present invention；
Fig. 3 is the background technology schematic diagram of the present invention.
Embodiment
The invention will be further described with reference to the accompanying drawings and examples.
As shown in Figure 1 and Figure 2, the present invention includes casing 1, input shaft 2, power reversing device 3, power shift device 4, defeated
Enter axle 2 and pass through casing 1, power reversing device 3 and power shift device 4 are arranged in casing 1；Power reversing device 3 includes
Duplicate gear 31, power steering clutch 1, power steering clutch 2 33, on the input of input shaft 2 from left to right
It is sequentially provided with power steering clutch 1, power steering clutch 2 33 and duplicate gear 31.Power shift device 4 includes strange
Number gearshift 41 and even number gearshift 42, odd number gearshift 41 include odd number gear shift clutch 411, jackshaft one
412nd, odd number shelves gear group 413, odd number gear shift axle 414, odd number gear shift clutch 411 are arranged on jackshaft 1,
Odd number shelves gear group 413 is arranged on odd number gear shift axle 414, and jackshaft 1 and odd number gear shift axle 414 pass through end face
Spline engagement is connected, and odd number gear shift clutch 411 is meshed by its gear with the gear 1 of duplicate gear 31, even number
Gearshift 42 includes even gear gear shift sleeve 421, jackshaft 2 422, even gear gear train 423, even gear selector shaft
424, even gear gear shift sleeve 421 is arranged on jackshaft 2 422, and even gear gear train 423 is arranged on even gear selector shaft
On 424, jackshaft 2 422 is connected with even gear selector shaft 424 by the spline engagement of end face, even gear gear shift sleeve 421
It is meshed by its gear with the gear 2 312 of duplicate gear 31.The gear number of even gear gear train 423 and odd number shelves gear group
413 gear number is consistent, and input shaft 2, jackshaft 1, the cross section of jackshaft 2 422 are triangularly arranged, i.e. three axles
Levels are set, and for input shaft 2 in upper strata, jackshaft 1 and jackshaft 2 422 in the same level layer of lower floor, structure is tight
Gather.
Gearshift procedure is as follows：If current gear is at 4 grades, according to the data such as the engine torque detected, 5 grades of synchronizers
Combined in advance by electric-control system (now, except 4,5 grades of synchronizers are to combine, remaining each shelves synchronizer is separated), it is even
Number gear shift clutch 421 progressively separates, and odd number gear shift clutch 411 progressively separates combination, changes 5 grades into from 4 grades, entirely
Gearshift procedure power does not interrupt, and remaining gearshift procedure is similar.By automatically controlled synchromesh unit and odd number gear shift clutch 411,
The cooperation of even gear gear shift sleeve 421, the power shift of 1 grade to the 8 grades whole section of main transformer speed can be achieved.
In addition to the implementation, the present invention can also have other embodiment, all to use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (6)
- A kind of 1. main speed-changing mechanism of gear box of tractor, it is characterised in that：Including casing, input shaft, power reversing device, dynamic Power gearshift, the input shaft pass through casing, and power reversing device and the power shift device is arranged in casing；Institute Stating power reversing device includes duplicate gear, power steering clutch one, power steering clutch two, in the input of input shaft On be sequentially provided with power steering clutch one, power steering clutch two, duplicate gear, the power shift device includes odd number Gearshift and even number gearshift, the odd number gearshift include odd number gear shift clutch, jackshaft one, odd number shelves tooth Wheel group, odd number gear shift axle, the odd number gear shift clutch are arranged on jackshaft one, and the odd number shelves gear group is arranged on On odd number gear shift axle, the jackshaft one is connected with odd number gear shift axle by the spline engagement of end face, and the odd number shelves change Shelves clutch is meshed by its gear with the gear one of duplicate gear, and the even number gearshift includes even number gear shift clutch Device, jackshaft two, even gear gear train, even gear selector shaft, the even gear gear shift sleeve are arranged on jackshaft two, institute State even gear gear train to be arranged on even gear selector shaft, the jackshaft two and even gear selector shaft are nibbled by the spline of end face Connection is closed, the even gear gear shift sleeve is meshed by its gear with the gear two of duplicate gear.
- 2. the main speed-changing mechanism of gear box of tractor as claimed in claim 1, it is characterised in that：The input shaft, jackshaft First, the cross section of jackshaft two is triangularly arranged.
- 3. the main speed-changing mechanism of gear box of tractor as claimed in claim 1 or 2, it is characterised in that：The even number shelves gear The gear number of group is consistent with the gear number of odd number shelves gear group.
- 4. the main speed-changing mechanism of gear box of tractor as claimed in claim 1 or 2, it is characterised in that：The He of jackshaft one The structure of jackshaft two is consistent.
- 5. the main speed-changing mechanism of gear box of tractor as claimed in claim 1 or 2, it is characterised in that：The even number gear shift Clutch is consistent with odd number gear shift clutch configuration.
- 6. the main speed-changing mechanism of gear box of tractor as claimed in claim 1 or 2, it is characterised in that：The input shaft, centre Axle one, jackshaft two, even gear selector shaft, each end of odd number gear shift axle are arranged in casing by bearing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234370.1A CN107830127A (en) | 2017-11-30 | 2017-11-30 | The main speed-changing mechanism of gear box of tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711234370.1A CN107830127A (en) | 2017-11-30 | 2017-11-30 | The main speed-changing mechanism of gear box of tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107830127A true CN107830127A (en) | 2018-03-23 |
Family
ID=61647072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711234370.1A Pending CN107830127A (en) | 2017-11-30 | 2017-11-30 | The main speed-changing mechanism of gear box of tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107830127A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102341616A (en) * | 2009-03-11 | 2012-02-01 | 株式会社日立Nico传动设备 | Double Clutch Transmission for Large Vehicles |
| CN102606724A (en) * | 2012-03-26 | 2012-07-25 | 重庆青山工业有限责任公司 | Method for controlling wet type dual clutch transmission |
| US20120203412A1 (en) * | 2009-09-01 | 2012-08-09 | Hideki Nakamura | Twin-clutch type hybrid transmission |
| CN102644702A (en) * | 2011-02-16 | 2012-08-22 | 上海紫成信息科技有限公司 | Automatic transmission with double intermediate shafts for collaboratively transmitting power and control method of automatic transmission |
| CN202579992U (en) * | 2012-05-04 | 2012-12-05 | 东风汽车有限公司 | Double-intermediate-shaft double-clutch automatic gearbox structure |
| CN102966706A (en) * | 2011-03-30 | 2013-03-13 | 浙江万里扬变速器股份有限公司 | Three-shaft double-clutch speed changer |
| CN106696675A (en) * | 2017-01-23 | 2017-05-24 | 重庆蓝黛动力传动机械股份有限公司 | Speed change assembly of hybrid power vehicle |
-
2017
- 2017-11-30 CN CN201711234370.1A patent/CN107830127A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102341616A (en) * | 2009-03-11 | 2012-02-01 | 株式会社日立Nico传动设备 | Double Clutch Transmission for Large Vehicles |
| US20120203412A1 (en) * | 2009-09-01 | 2012-08-09 | Hideki Nakamura | Twin-clutch type hybrid transmission |
| CN102644702A (en) * | 2011-02-16 | 2012-08-22 | 上海紫成信息科技有限公司 | Automatic transmission with double intermediate shafts for collaboratively transmitting power and control method of automatic transmission |
| CN102966706A (en) * | 2011-03-30 | 2013-03-13 | 浙江万里扬变速器股份有限公司 | Three-shaft double-clutch speed changer |
| CN102606724A (en) * | 2012-03-26 | 2012-07-25 | 重庆青山工业有限责任公司 | Method for controlling wet type dual clutch transmission |
| CN202579992U (en) * | 2012-05-04 | 2012-12-05 | 东风汽车有限公司 | Double-intermediate-shaft double-clutch automatic gearbox structure |
| CN106696675A (en) * | 2017-01-23 | 2017-05-24 | 重庆蓝黛动力传动机械股份有限公司 | Speed change assembly of hybrid power vehicle |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180323 |