CN102011839B - Tractor transmission case with 24 and 12 gears - Google Patents
Tractor transmission case with 24 and 12 gears Download PDFInfo
- Publication number
- CN102011839B CN102011839B CN 201010571433 CN201010571433A CN102011839B CN 102011839 B CN102011839 B CN 102011839B CN 201010571433 CN201010571433 CN 201010571433 CN 201010571433 A CN201010571433 A CN 201010571433A CN 102011839 B CN102011839 B CN 102011839B
- Authority
- CN
- China
- Prior art keywords
- gear
- driven
- driving
- creeper
- gears
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Structure Of Transmissions (AREA)
Abstract
The invention discloses a tractor transmission case with 24 and 12 gears, which comprises a transmission case body, wherein a gear shift mechanism for controlling the output of rotate speed of the transmission case is arranged in the transmission case body; and a main gear shift mechanism for adjusting initial input rotate speed, a crawl gear mechanism for adjusting the rotate speed outputted by the main gear shift mechanism, a slave gear shift mechanism for adjusting the rotate speed outputted by the crawl gear mechanism and a field and road speed change switching mechanism for adjusting the rotate speed outputted by the slave gear shift mechanism are sequentially arranged in the transmission case body. The transmission case is provided with 24 forward gears and 12 reverse gears, has a compact structure and high ground clearance, and can meet the requirements of tractors on the gears and the ground clearance under different operating environments.
Description
Technical field
The present invention relates to a kind of tractor transmission case.
Background technique
Plane two shaft types of at present tractor transmission case employing are arranged, generally take the engine crankshaft center line as an axle, arrange straight down two axle output shafts in the plane, the structural limitations of layout the road clearance of whole power train, also affected tractor has ground gap requirement for height in farmland intertillage etc. operation; Simultaneously along with the agriculture requirement tractor use continuous reinforcement, more and more, especially more and more higher to the gear number in farmland operation speed interval 4km/h～12km/h and the quantitative requirement of reversing gear to the gear demand of tractor.Conventional gear box constantly increases casing internal gear quantity for pursuing more gears, and gear is too complicated, and it is too huge that transmission case body also becomes.Not only increased cost, and the gear that provides can not satisfy tractor fully in the requirement of various special circumstances and special operation, affected the application of tractor, the gear that normally satisfies 4km/h～12km/h farm work speed interval only has 2-3, reverses gear 2-4.
Summary of the invention
Technical problem to be solved by this invention provides and a kind ofly can satisfy tractor several work needs, and uses that gear is less, the 24+12 of compact structure gear tractor transmission case.
For solving the problems of the technologies described above, technological scheme of the present invention is: 24+12 keeps off tractor transmission case, comprise transmission case body, be provided with the gearshift of handling the output of gearbox rotating speed in the described transmission case body, also be disposed with the main speed-changing mechanism that the initial input rotating speed is adjusted in the described transmission case body, the creeper gear mechanism that the rotating speed of main speed-changing mechanism output is adjusted, the secondary gear that creeper gear mechanism output speed is adjusted, and field and the switching mechanism of road speed change that the rotating speed of secondary gear output is adjusted, described main speed-changing mechanism comprises input shaft and secondary front axle, be installed with the high gear driving gear on the described input shaft, the low gear driving gear, driving gear reverses gear, be set with the high gear driven gear with described high gear driving gear engagement on the described secondary front axle, low gear driven gear with described low gear driving gear engagement, driven gear reverses gear, described driving gear and the described driven gear that reverses gear of reversing gear is engaged with the idle pulley that reverses gear, the described idle pulley that reverses gear is installed on the idler shaft that reverses gear, described high gear driven gear, described low gear driven gear, described reversing gear is provided with synchronizer between driven gear and the described secondary front axle, described creeper gear mechanism comprises the gear shaft of creeping that is located in the described transmission case body, be installed with creeper gear the first driven gear and creeper gear the second driving gear on the described gear shaft of creeping, described creeper gear the first driven gear is engaged with creeper gear the first driving gear that is installed on the described secondary front axle, described creeper gear the second driving gear is engaged with creeper gear the second driven gear that is located on the secondary jack shaft, mutually disconnect between described secondary jack shaft and the described secondary front axle, be provided with the creeper gear engaging sleeve that acts on described creeper gear the first driving gear and described creeper gear the second driven gear between the front end of described secondary jack shaft and the described secondary front axle, described secondary gear comprises two axles and described secondary jack shaft, the rear end of described secondary jack shaft is installed with secondary rear axle, be set with a gear driven gear on described two axles, two gear driven gears, be installed with three gear driven gears on described two axles, four gear driven gears, a described gear driven gear is engaged with and is installed in the gear of one on described secondary jack shaft driving gear, described two gear driven gears are engaged with and are installed in the gear of two on described secondary jack shaft driving gear, described three gear driven gears are engaged with and are sleeved on the gear of three on described secondary jack shaft driving gear, described four gear driven gears are engaged with and are sleeved on the gear of four on described secondary rear axle driving gear, be provided with one or two gear synchronizers between a described gear driven gear and the described two gear driven gears, be provided with three or four gear synchronizers between described three gear driving gears and the described four gear driving gears, described field and the switching mechanism of road speed change comprise described secondary rear axle and output shaft, be installed with the field driving gear on the described secondary rear axle, described field driving gear is engaged with the field driven gear, described field driven gear is located on the described output shaft, mutually disconnect between described output shaft and described two axles, be provided with the field that acts on described four gear driven gears and described field driven gear-road engaging sleeve between described output shaft and described two axles.
As preferred technological scheme, described input shaft; The described secondary front axle of coaxial setting, described secondary jack shaft, described secondary rear axle; Described two axles of coaxial setting, described output shaft, space arrangement is installed in the described transmission case body.
Owing to having adopted technique scheme, 24+12 keeps off tractor transmission case, comprise transmission case body, be provided with the gearshift of handling the output of gearbox rotating speed in the described transmission case body, also be disposed with the main speed-changing mechanism that the initial input rotating speed is adjusted in the described transmission case body, the creeper gear mechanism that the rotating speed of main speed-changing mechanism output is adjusted, the secondary gear that creeper gear mechanism output speed is adjusted, and field and the switching mechanism of road speed change that the rotating speed of secondary gear output is adjusted; Transmission case can be exported 24 forward gears, 12 gears that fall back, and compact structure, ground Clearance are high, can satisfy tractor in the requirement of different work environment to gear and ground Clearance.
Description of drawings
Accompanying drawing is the structural representation of the embodiment of the invention.
Embodiment
As shown in drawings, 24+12 keeps off tractor transmission case, comprise transmission case body, be provided with the gearshift of handling the output of gearbox rotating speed in the described transmission case body, also be disposed with the main speed-changing mechanism that the initial input rotating speed is adjusted in the described transmission case body, the creeper gear mechanism that the rotating speed of main speed-changing mechanism output is adjusted, the secondary gear that creeper gear mechanism output speed is adjusted, and field and the switching mechanism of road speed change that the rotating speed of secondary gear output is adjusted.
Described main speed-changing mechanism comprises input shaft 1 and secondary front axle 2, be installed with high gear driving gear 110 on the described input shaft 1, low gear driving gear 120, driving gear 130 reverses gear, be set with the high gear driven gear 111 with described high gear driving gear 110 engagements on the described secondary front axle 2, low gear driven gear 121 with described low gear driving gear 120 engagements, driven gear 131 reverses gear, described driving gear 130 and the described driven gear 131 that reverses gear of reversing gear is engaged with the idle pulley 132 that reverses gear, the described idle pulley 132 that reverses gear is installed on the idler shaft 3 that reverses gear, be provided with high gear synchronizer 101 between described high gear driven gear 111 and the described secondary front axle 2, described secondary front axle 2 the above low gear driven gear 121 and described reversing gear are provided with low gear-reverse gear synchronizer 102 between the driven gear 131.
Described creeper gear mechanism comprises the gear shaft 4 of creeping that is located in the described transmission case body, be installed with creeper gear the first driven gear 211 and creeper gear the second driving gear 220 on the described gear shaft 4 of creeping, described creeper gear the first driven gear 211 is engaged with creeper gear the first driving gear 210 that is installed on the described secondary front axle 2, described creeper gear the second driving gear 220 is engaged with creeper gear the second driven gear 221 that is located on the secondary jack shaft 5, mutually disconnect between described secondary jack shaft 5 and the described secondary front axle 2, be provided with the creeper gear engaging sleeve that acts on described creeper gear the first driving gear 210 and described creeper gear the second driven gear 221 between the front end of described secondary jack shaft 5 and the described secondary front axle 2.
Described secondary gear comprises two axles 6 and described secondary jack shaft 5, the rear end of described secondary jack shaft 5 is installed with secondary rear axle 7, be set with a gear driven gear 311 on described two axles 6, two gear driven gears 321, be installed with three gear driven gears 331 on described two axles 6, four gear driven gears 341, a described gear driven gear 311 is engaged with and is installed in the gear of one on the described secondary jack shaft 5 driving gear 310, described two gear driven gears 321 are engaged with and are installed in the gear of two on the described secondary jack shaft 5 driving gear 320, described three gear driven gears 331 are engaged with and are sleeved on the gear of three on the described secondary jack shaft 5 driving gear 330, described four gear driven gears 341 are engaged with and are sleeved on the gear of four on the described secondary rear axle 7 driving gear 340, be provided with one or two gear synchronizers 301 between a described gear driven gear 311 and the described two gear driven gears 321, be provided with three or four gear synchronizers 302 between described three gear driving gears 330 and the described four gear driving gears 340.
Described field and the switching mechanism of road speed change comprise secondary rear axle 7 and output shaft 8, be installed with field driving gear 440 on the described secondary rear axle 7, described field driving gear 440 is engaged with field driven gear 441, described field driven gear 441 is located on the described output shaft 8, mutually disconnect between described output shaft 8 and described two axles 6, be provided with the field that acts on described four gear driven gears 341 and described field driven gear 441-road engaging sleeve 401 between described output shaft 8 and described two axles 6.
Described input shaft 1; The described secondary front axle 2 of coaxial setting, described secondary jack shaft 5, described secondary rear axle 7; Described two axles 6 of coaxial setting, described output shaft 8, space arrangement is installed in the described transmission case body.
The transfer route of described main speed-changing mechanism output speed is:
High gear: handle gearshift, make high gear synchronizer 101 and 111 engagements of high gear driven gear, low gear-reverse gear synchronizer 102 is in disengaged condition, and the transfer route of this moment is: input shaft 1 → high gear driving gear 110 → high gear driven gear 111 → high gear synchronizer 101 → secondary front axle 2;
Low gear: handle gearshift, make low gear- reverse gear synchronizer 102 and 121 engagements of low gear driven gear, high gear synchronizer 101 is in disengaged condition, and the transfer route of this moment is: input shaft 1 → low gear driving gear 120 → low gear driven gear 121 → low gear-reverse gear synchronizer 102 → secondary front axle 2;
Reverse gear: handle gearshift, make low gear-reverse gear synchronizer 102 and driven gear 131 engagements of reversing gear, high gear synchronizer 101 is in disengaged condition, and the transfer route of this moment is: the input shaft 1 → driving gear 130 that the reverses gear → idle pulley 132 that reverses gear → gear driven gear 131 → low gear-reverse gear synchronizer 102 → secondary front axle 2 reverses gear;
Enter described creeper gear mechanism through 2+1 gear of described main speed-changing mechanism output, transfer route is:
Creeper gear: handle gearshift, 201 actions of creeper gear engaging sleeve, creeper gear engaging sleeve 201 and 221 engagements of creeper gear the second driven gear, secondary front axle 2 separates with secondary jack shaft 5, and the transfer route of this moment is: secondary front axle 2 → creeper gear the first driving gear 210 → creeper gear the first driven gear 211 → gear shaft 4 → creeper gear the second driving gear 220 → creeper gear the second driven gear 221 → secondary jack shaft 5 of creeping;
Be not with creeper gear: handle gearshift, 201 actions of creeper gear engaging sleeve, creeper gear engaging sleeve 201 and 210 engagements of creeper gear the first driving gear, secondary front axle 2 and secondary jack shaft 5 combinations, the transfer route of this moment is: secondary front axle 2 → creeper gear engaging sleeve 201 → secondary jack shaft 5;
2 gears of the described creeper gear of process mechanism output enter described secondary gear, and transfer route is:
One gear: handle gearshift, make one or two gear synchronizers 301 and a gear driven gear 311 engagements, three or four gear synchronizers 302 are in disengaged condition, and the transfer route of this moment is: secondary jack shaft 5 → one gear driving gears 310 → one gear driven gears 311 → one or two gear synchronizers, 301 → two axles, 6 → four gear driven gears 341;
Two gears: handle gearshift, make one or two gear synchronizers 301 and 321 engagements of two gear driven gears, three or four gear synchronizers 302 are in disengaged condition, and the transfer route of this moment is: secondary jack shaft 5 → two gear driving gears 320 → two gear driven gears 321 → one or two gear synchronizers, 301 → two axles, 6 → four gear driven gears 341;
Three gears: handle gearshift, make three or four gear synchronizers 302 and 330 engagements of three gear driving gears, one or two gear synchronizers 301 are in disengaged condition, and the transfer route of this moment is: secondary jack shaft 5 → three or four gear synchronizers, 302 → three gear driving gears, 330 → three gear driven gears, 331 → two axles, 6 → four gear driven gears 341;
Four gears: handle gearshift, make three or four gear synchronizers 302 and 340 engagements of four gear driving gears, one or two gear synchronizers 301 are in disengaged condition, and the transfer route of this moment is: secondary jack shaft 5 → three or four gear synchronizers, 302 → four gear driving gears, 340 → four gear driven gears 341;
4 gears through described secondary gear output enter field and the switching mechanism of road speed change, and transfer route is:
Road mode: handle gearshift, field-road engaging sleeve 401 and 341 engagements of four gear driven gears, described two axles 6 and 8 combinations of described output shaft, can not hang creeper gear this moment, and transfer route is: four gear driven gears, 341 → field-road engaging sleeve 401 → output shaft 8;
Field pattern: handle gearshift, field-road engaging sleeve 401 and 441 engagements of field driven gear, described two axles 6 and described output shaft 8 separate, and the transfer route of this moment is: four gear driven gears, 341 → four gear driving gear 340 → driven gear 441 → field, driving gear 440 → field, secondary rear axle 7 → field-road engaging sleeve 401 → output shafts 8;
Through after main speed-changing mechanism, creeper gear mechanism, secondary gear and field and the switching mechanism of road speed change, transmission case is exported 24 forward gears and 12 gears that fall back like this.
Changed the mode that gear arranges, make field and the switching mechanism of road speed change and four gears share gear (that is: four gear driving gears 340 and four gear driven gears 341 have been used in field and the switching mechanism of road speed change) and saved a pair of gear, the compact structure of transmission case.Described input shaft; The described secondary front axle of coaxial setting, described secondary jack shaft, described secondary rear axle; Described two axles of coaxial setting, described output shaft, space arrangement are installed in the described transmission case body, and compact structure has guaranteed the road clearance of power train to have satisfied tractor in the requirement of different work environment to the ground Clearance.Be provided with 24 forward gears and 12 gears that fall back, satisfied the requirement of agricultural production to the tractor gear, gear is exquisite, and the transmission case volume is less.
Above demonstration and described basic principle of the present invention, major character and advantage of the present invention.The present invention is not restricted to the described embodiments, and without departing from the spirit and scope of the present invention, the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.
Claims (2)
1.24+12 gear tractor transmission case, comprise transmission case body, be provided with the gearshift of handling the output of gearbox rotating speed in the described transmission case body, it is characterized in that: also be disposed with the main speed-changing mechanism that the initial input rotating speed is adjusted in the described transmission case body, the creeper gear mechanism that the rotating speed of main speed-changing mechanism output is adjusted, the secondary gear that creeper gear mechanism output speed is adjusted, and field and the switching mechanism of road speed change that the rotating speed of secondary gear output is adjusted, described main speed-changing mechanism comprises input shaft and secondary front axle, be installed with the high gear driving gear on the described input shaft, the low gear driving gear, driving gear reverses gear, be set with the high gear driven gear with described high gear driving gear engagement on the described secondary front axle, low gear driven gear with described low gear driving gear engagement, driven gear reverses gear, described driving gear and the described driven gear that reverses gear of reversing gear is engaged with the idle pulley that reverses gear, the described idle pulley that reverses gear is installed on the idler shaft that reverses gear, described high gear driven gear, described low gear driven gear, described reversing gear is provided with synchronizer between driven gear and the described secondary front axle, described creeper gear mechanism comprises the gear shaft of creeping that is located in the described transmission case body, be installed with creeper gear the first driven gear and creeper gear the second driving gear on the described gear shaft of creeping, described creeper gear the first driven gear is engaged with creeper gear the first driving gear that is installed on the described secondary front axle, described creeper gear the second driving gear is engaged with creeper gear the second driven gear that is located on the secondary jack shaft, mutually disconnect between described secondary jack shaft and the described secondary front axle, be provided with the creeper gear engaging sleeve that acts on described creeper gear the first driving gear and described creeper gear the second driven gear between the front end of described secondary jack shaft and the described secondary front axle, described secondary gear comprises two axles and described secondary jack shaft, the rear end of described secondary jack shaft is installed with secondary rear axle, be set with a gear driven gear on described two axles, two gear driven gears, be installed with three gear driven gears on described two axles, four gear driven gears, a described gear driven gear is engaged with and is installed in the gear of one on described secondary jack shaft driving gear, described two gear driven gears are engaged with and are installed in the gear of two on described secondary jack shaft driving gear, described three gear driven gears are engaged with and are sleeved on the gear of three on described secondary jack shaft driving gear, described four gear driven gears are engaged with and are sleeved on the gear of four on described secondary rear axle driving gear, be provided with one or two gear synchronizers between a described gear driven gear and the described two gear driven gears, be provided with three or four gear synchronizers between described three gear driving gears and the described four gear driving gears, described field and the switching mechanism of road speed change comprise described secondary rear axle and output shaft, be installed with the field driving gear on the described secondary rear axle, described field driving gear is engaged with the field driven gear, described field driven gear is located on the described output shaft, mutually disconnect between described output shaft and described two axles, be provided with the field that acts on described four gear driven gears and described field driven gear-road engaging sleeve between described output shaft and described two axles.
2. 24+12 gear tractor transmission case as claimed in claim 1 is characterized in that: described input shaft; The described secondary front axle of coaxial setting, described secondary jack shaft, described secondary rear axle; Described two axles of coaxial setting, described output shaft, space arrangement is installed in the described transmission case body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010571433 CN102011839B (en) | 2010-12-02 | 2010-12-02 | Tractor transmission case with 24 and 12 gears |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010571433 CN102011839B (en) | 2010-12-02 | 2010-12-02 | Tractor transmission case with 24 and 12 gears |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102011839A CN102011839A (en) | 2011-04-13 |
| CN102011839B true CN102011839B (en) | 2013-01-02 |
Family
ID=43842123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010571433 Expired - Fee Related CN102011839B (en) | 2010-12-02 | 2010-12-02 | Tractor transmission case with 24 and 12 gears |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102011839B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2656930C1 (en) * | 2017-04-21 | 2018-06-07 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" (ТИУ) | Reversible (20r20) out-of-line 24-step multistage planetary gearbox type 24r28 |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216585B (en) * | 2013-04-16 | 2016-03-02 | 重庆大学 | mechanical transmission |
| CN103939538B (en) * | 2014-04-28 | 2016-05-18 | 常州市武进俊云机械配件厂（普通合伙） | Gear box of tractor |
| CN107701696B (en) * | 2017-10-20 | 2024-06-21 | 山拖农机装备有限公司 | 16+16 Gear mountain tractor transmission case |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2849328Y (en) * | 2005-10-21 | 2006-12-20 | 山东福田重工股份有限公司 | Multi-gear speed change device for tractor |
| CN201202771Y (en) * | 2008-05-26 | 2009-03-04 | 王世岩 | Multifunctional combination transmission case of high power wheel type tractor |
| CN101837729A (en) * | 2010-05-19 | 2010-09-22 | 中国一拖集团有限公司 | Tractor speed-changing box unit with synchronizer commutation |
| CN201982622U (en) * | 2010-12-02 | 2011-09-21 | 山东五征集团有限公司 | Tractor transmission case |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3483706B2 (en) * | 1996-06-18 | 2004-01-06 | 株式会社クボタ | Tractor mission |
| JP4213647B2 (en) * | 2004-09-28 | 2009-01-21 | 株式会社クボタ | Tractor power transmission |
-
2010
- 2010-12-02 CN CN 201010571433 patent/CN102011839B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2849328Y (en) * | 2005-10-21 | 2006-12-20 | 山东福田重工股份有限公司 | Multi-gear speed change device for tractor |
| CN201202771Y (en) * | 2008-05-26 | 2009-03-04 | 王世岩 | Multifunctional combination transmission case of high power wheel type tractor |
| CN101837729A (en) * | 2010-05-19 | 2010-09-22 | 中国一拖集团有限公司 | Tractor speed-changing box unit with synchronizer commutation |
| CN201982622U (en) * | 2010-12-02 | 2011-09-21 | 山东五征集团有限公司 | Tractor transmission case |
Non-Patent Citations (2)
| Title |
|---|
| JP特开2006-97742A 2006.04.13 |
| JP特开平10-6791A 1998.01.13 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2656930C1 (en) * | 2017-04-21 | 2018-06-07 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Тюменский индустриальный университет" (ТИУ) | Reversible (20r20) out-of-line 24-step multistage planetary gearbox type 24r28 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102011839A (en) | 2011-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103939536B (en) | Many gear tractors change speed gear box | |
| CN102011839B (en) | Tractor transmission case with 24 and 12 gears | |
| CN201250883Y (en) | Multi-speed mechanical transmission | |
| CN103925346A (en) | Synchronous reversing belt crawling-gear gearbox of tractor | |
| CN107989966B (en) | Three-shaft power high-low gear and power reversing transmission assembly of tractor | |
| CN204025556U (en) | Ten fast double-clutch automatic gearboxes | |
| CN204025555U (en) | Ten fast double-clutch automatic gearboxes | |
| CN204041899U (en) | Ten fast double-clutch automatic gearboxes | |
| CN201982622U (en) | Tractor transmission case | |
| CN204004217U (en) | Eight speed double-clutch formula automatic transmission | |
| CN105202126A (en) | Seven-speed double-clutch type automatic transmission | |
| CN107091302B (en) | 16+16 full power gear shifting and reversing gearbox | |
| CN102042370B (en) | 24+12-gear active pressure lubricating transmission device for tractor | |
| CN201651251U (en) | Medium-power wheeled tractor transmission case | |
| CN211288623U (en) | Three-shaft high-low gear reversing assembly and high-low gear reversing system | |
| CN204025554U (en) | Ten fast double-clutch automatic gearboxes | |
| CN103244614A (en) | Small rotary cultivator transmission with two power output shafts | |
| CN204004218U (en) | Seven speed dual clutch formula automatic transmission | |
| CN203926635U (en) | Seven speed dual clutch formula automatic transmission | |
| CN209959821U (en) | Small-sized agricultural wheeled vehicle gearbox | |
| CN204553771U (en) | The horizontal gearbox of a kind of miniature farm machinery | |
| CN104653720A (en) | Partial power shifting transmission device for tractor | |
| CN202026574U (en) | Double-speed changing box of rotary cultivator | |
| CN105340404B (en) | Two-gear reverse gear shifting structure of mini-tiller | |
| CN105221674B (en) | Eight speed double-clutch formula automatic transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130102 Termination date: 20171202 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |