CN201573541U - Gear box device of wheeled tractor - Google Patents
Gear box device of wheeled tractor Download PDFInfo
- Publication number
- CN201573541U CN201573541U CN2009202972106U CN200920297210U CN201573541U CN 201573541 U CN201573541 U CN 201573541U CN 2009202972106 U CN2009202972106 U CN 2009202972106U CN 200920297210 U CN200920297210 U CN 200920297210U CN 201573541 U CN201573541 U CN 201573541U
- Authority
- CN
- China
- Prior art keywords
- gear
- shaft
- keeps
- driven
- driving
- 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 - Lifetime
Links
Images
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
- F16H37/00—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00
- F16H37/02—Combinations of mechanical gearings, not provided for in groups F16H1/00 - F16H35/00 comprising essentially only toothed or friction gearings
- F16H37/04—Combinations of toothed gearings only
- F16H37/042—Combinations of toothed gearings only change gear transmissions in group arrangement
- F16H37/043—Combinations of toothed gearings only change gear transmissions in group arrangement without gears having orbital motion
-
- 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
- F16H2200/00—Transmissions for multiple ratios
- F16H2200/003—Transmissions for multiple ratios characterised by the number of forward speeds
- F16H2200/0078—Transmissions for multiple ratios characterised by the number of forward speeds the gear ratio comprising twelve or more forward speeds
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Structure Of Transmissions (AREA)
Abstract
The utility model relates to a gear box device of a wheeled tractor, which mainly comprises a main speed-change device and an auxiliary speed-change device. The main speed-change device and the auxiliary speed-change device are arranged in sequence, wherein one end of the main speed-change device is connected with a tractor engine, one end of the auxiliary speed-change device is connected with a back axle of the tractor, and the power of the tractor engine can be respectively transmitted to the back axle, a front axle and a power output shaft of the tractor; the purpose of 18 forward gears and 6 reverse gears can be achieved by combining the main speed-change device and the auxiliary speed-change device, the speed ranges from 2.8 km/h to 40.2 km/h, and the requirements of various operating conditions of the tractor to the speed can be met; and meanwhile, a double-cone friction synchronizer is installed on a driven shaft of the main speed-change device, therefore, the operation is easy, the comfort of operation is improved, and the labor intensity of a driver is reduced.
Description
Technical field
The utility model belongs to the trac. field, relates to a kind of wheel-tire tractor gearbox device.
Background technology
At present, on the following large power wheel tractor of the 132kW of Sheng Chaning, adopt shift sleeve or single awl synchro mechanical changeover change speed gear box at home, the forward gear number generally is no more than 16 more, and maximum speed is lower than 35km/h, and the retaining number is few, and the speed of a motor vehicle is low, handles inconvenience.
Be to adapt to existing market demand and the development of domestic and international market from now on, research and develop that a kind of shift control is light, the gear quantity of working wheel-tire tractor gearbox device more, that the higher speed of a motor vehicle is arranged is extremely urgent.
The utility model content
The purpose of this utility model is to provide that a kind of shift control is light, work gear quantity is many, the higher speed of a motor vehicle is arranged, have the wheel-tire tractor gearbox device that selects assembling structure and function, to satisfy the operating needs of large power wheel tractor.
The technical solution of the utility model is: the wheel-tire tractor gearbox device comprises that mainly the main transformer quick-mounting is put, secondary speed-changing device.The main transformer quick-mounting is put, secondary speed-changing device is arranged in order, and wherein the main transformer quick-mounting is put an end and linked to each other with tractor engine, and secondary speed-changing device one end links to each other with tractor rear axle.
Imput shaft and driven shaft are installed in the main-gear box device, secondary shift driving shaft, secondary speed change driven shaft and reverse shaft are installed in the secondary speed-changing device; Wherein the axle center of imput shaft and secondary shift driving shaft is on same straight line, and the axle center of driven shaft and secondary speed change driven shaft is on same straight line, and the axle center of imput shaft and driven shaft is parallel to each other; The power output clutch front axle passes from the inside of imput shaft and secondary shift driving shaft.
In the main transformer quick-mounting is put, by spline I retaining driving gear is installed on the imput shaft, II keeps off driving gear, III keeps off driving gear, IV keeps off driving gear, V keeps off driving gear, VI keeps off driving gear, I retaining driven gear is installed on the driven shaft, II keeps off driven gear, III keeps off driven gear, IV keeps off driven gear, V keeps off driven gear, VI keeps off driven gear, I keeps off driving gear, II keeps off driving gear, III keeps off driving gear, IV keeps off driving gear, V keeps off driving gear, VI retaining driving gear keeps off driven gear with I respectively, II keeps off driven gear, III keeps off driven gear, IV keeps off driven gear, V keeps off driven gear, VI retaining driven gear is meshing with each other, and driven shaft and constant-mesh driving gear are one.Three double friction cone synchros are installed on the driven shaft, and three double friction cone synchros can horizontally slip vertically and be meshed with the connection tooth on the adjacent driven gear selecting respectively.
In secondary speed-changing device, secondary shift driving shaft and constant-mesh driven gear and low gear driving gear are one, by spline middle retaining driving gear is installed on the secondary shift driving shaft, driving gear reverses gear, constant-mesh driven gear on the secondary shift driving shaft, the low gear driving gear, in the retaining driving gear respectively with secondary speed change driven shaft on the constant-mesh driving gear installed, the low gear driven gear, middle retaining driven gear is meshing with each other, be installed in the reverse idle gear while and the driving gear that reverses gear on the reverse shaft, the driven gear that reverses gear is meshing with each other, and secondary speed change driven shaft links together by adapter sleeve and small coning gear shaft.On the secondary speed change driven shaft two shift sleeves are installed, shift sleeve can horizontally slip vertically and be meshed with the connection tooth on the adjacent driven gear selecting respectively.
The utility model can reach following good effect: the wheel-tire tractor gearbox device adopts and comprises above-mentioned arrangement, and drive path is clear, and is simple in structure, can be with tractor engine power to tractor rear axle, propons and power take-off shaft transmission.Put combination with secondary speed-changing device by the main transformer quick-mounting, can realize 18 forward gears and 6 retainings that fall back, speed range can satisfy the requirement of various trac. operation operating modes to speed from 2.8km/h～40.2km/h.Simultaneously owing on the driven shaft of main transformer quick-mounting in putting the double friction cone synchro is installed, make and handle lightly, improved handling comfort, reduce chaufeur labour intensity.
Description of drawings
Accompanying drawing is the structural representation of the utility model wheel-tire tractor gearbox device.
The specific embodiment
As shown in drawings, the wheel-tire tractor gearbox device comprises that mainly the main transformer quick-mounting puts B1, secondary speed-changing device B2.The main transformer quick-mounting is put B1, secondary speed-changing device B2 is arranged in order, and wherein the main transformer quick-mounting is put B1 one end and linked to each other with tractor engine, and secondary speed-changing device B2 one end links to each other with tractor rear axle.
Imput shaft S1 and driven shaft S2 are installed in the main-gear box device B1, secondary shift driving shaft S3, secondary speed change driven shaft S4 and reverse shaft S7 are installed in the secondary speed-changing device B2; Wherein the axle center of imput shaft S1 and secondary shift driving shaft S3 is on same straight line, and the axle center of driven shaft S2 and secondary speed change driven shaft S4 is on same straight line, and the axle center of imput shaft S1 and driven shaft S2 is parallel to each other; Power output clutch front axle S5 passes from the inside of imput shaft S1 and secondary shift driving shaft S3.
Put among the B1 at the main transformer quick-mounting, imput shaft S1 goes up by spline I retaining driving gear 1 is installed, II keeps off driving gear 3, III keeps off driving gear 5, IV keeps off driving gear 7, V keeps off driving gear 9, VI keeps off driving gear 11, I retaining driven gear 2 is installed on the driven shaft S2, II keeps off driven gear 4, III keeps off driven gear 6, IV keeps off driven gear 8, V keeps off driven gear 10, VI keeps off driven gear 12, I keeps off driving gear 1, II keeps off driving gear 3, III keeps off driving gear 5, IV keeps off driving gear 7, V keeps off driving gear 9, VI retaining driving gear 11 keeps off driven gear 2 with I respectively, II keeps off driven gear 4, III keeps off driven gear 6, IV keeps off driven gear 8, V keeps off driven gear 10, VI retaining driven gear 12 is meshing with each other, and driven shaft S2 and constant-mesh driving gear 13 are one.22, three double friction cone synchros 22 of three double friction cone synchros are installed on the driven shaft S2 can horizontally slip vertically and be meshed with the connection tooth on the adjacent driven gear selecting respectively.
In secondary speed-changing device B2, secondary shift driving shaft S3 and constant-mesh driven gear 14 and low gear driving gear 15 are one, secondary shift driving shaft S3 goes up by spline middle retaining driving gear 17 is installed, driving gear 19 reverses gear, constant-mesh driven gear 14 on the secondary shift driving shaft S3, low gear driving gear 15, middle retaining driving gear 17 is gone up the constant-mesh driving gear of installing 13 with secondary speed change driven shaft S4 respectively, low gear driven gear 16, middle retaining driven gear 18 is meshing with each other, be installed in 20 whiles and the driving gear 19 that reverses gear of reverse idle gear on the reverse shaft S7, the driven gear 21 that reverses gear is meshing with each other, and secondary speed change driven shaft S4 links together with small coning gear shaft S6 by adapter sleeve 24.On the secondary speed change driven shaft S4 two shift sleeves 23 are installed, shift sleeve 23 can horizontally slip vertically and be meshed with the connection tooth on the adjacent driven gear selecting respectively.
Tractor engine power divides two-way as follows through wheel-tire tractor gearbox device bang path:
The first via is delivered to power take-off implement from tractor engine by power output clutch front axle S5, drives tractor motive power output shaft.
The second the road puts B1 from tractor engine by the main transformer quick-mounting that imput shaft S1 is delivered to gearbox device, and the main transformer quick-mounting is put B1 can realize six retainings according to the state of last three the double friction cone synchros 22 of driven shaft S2, and the power transfer path of each retaining is as follows:
The I retaining: double friction cone synchro 22 slides to the right with the connection tooth engagement on the I retaining driven gear 2, and driven shaft S2 goes up two other double friction cone synchro 22 and do not mesh with the tooth that is connected of adjacent gear.Power is by imput shaft S1 → I retaining driving gear 1 → I retaining driven gear 2 → double friction cone synchro 22 → driven shaft S2.
The II retaining: double friction cone synchro 22 slides left with the connection tooth engagement on the II retaining driven gear 4, and driven shaft S2 goes up two other double friction cone synchro 22 and do not mesh with the tooth that is connected of adjacent gear.Power is by imput shaft S1 → II retaining driving gear 3 → II retaining driven gear 4 → double friction cone synchro 22 → driven shaft S2.
The III retaining: double friction cone synchro 22 slides to the right with the connection tooth engagement on the III retaining driven gear 6, and driven shaft S2 goes up two other double friction cone synchro 22 and do not mesh with the tooth that is connected of adjacent gear.Power is by imput shaft S1 → III retaining driving gear 5 → III retaining driven gear 6 → double friction cone synchro 22 → driven shaft S2.
The IV retaining: double friction cone synchro 22 slides left with the connection tooth engagement on the IV retaining driven gear 8, and driven shaft S2 goes up two other double friction cone synchro 22 and do not mesh with the tooth that is connected of adjacent gear.Power is by imput shaft S1 → IV retaining driving gear 7 → IV retaining driven gear 8 → double friction cone synchro 22 → driven shaft S2.
The V retaining: double friction cone synchro 22 slides to the right with the connection tooth engagement on the V retaining driven gear 10, and driven shaft S2 goes up two other double friction cone synchro 22 and do not mesh with the tooth that is connected of adjacent gear.Power is by imput shaft S1 → V retaining driving gear 9 → V retaining driven gear 10 → double friction cone synchro 22 → driven shaft S2.
The VI retaining: double friction cone synchro 22 slides left with the connection tooth engagement on the VI retaining driven gear 12, and driven shaft S2 goes up two other double friction cone synchro 22 and do not mesh with the tooth that is connected of adjacent gear.Power is by imput shaft S1 → VI retaining driving gear 11 → VI retaining driven gear 12 → double friction cone synchro 22 → driven shaft S2.
Transmission of power is delivered among the secondary speed-changing device B2 by driven shaft S2 to driven shaft S2 again.Secondary speed-changing device B2 can realize four retainings according to the state of last two shift sleeves 23 of secondary speed change driven shaft S4, and the power transfer path of each retaining is as follows:
High gear: shift sleeve 23 slides left with the connection tooth on the constant-mesh driving gear 13 of driven shaft S2 right-hand member engagement, on the secondary speed change driven shaft S4 in addition → individual shift sleeve 23 with adjacent gear be connected the tooth engagement.Power is by driven shaft S2 → shift sleeve 23 → secondary speed change driven shaft S4 → adapter sleeve 24 → small coning gear shaft S6 → tractor rear axle and propons.
Low gear: shift sleeve 23 slides to the right with the engagement of the connection tooth on the low gear driven gear 16, and the another one shift sleeve 23 on the secondary speed change driven shaft S4 does not mesh with the tooth that is connected of adjacent gear.Power is by low gear driving gear 15 → low gear driven gear 16 → shift sleeve 23 → secondary speed change driven shaft S4 → adapter sleeve 24 → small coning gear shaft S6 → tractor rear axle and the propons on the constant-mesh driven gear 14 on the constant-mesh driving gear 13 on the driven shaft S2 → secondary shift driving shaft S3 → secondary shift driving shaft S3.
Middle retaining: shift sleeve 23 slides left with the engagement of the connection tooth on the middle retaining driven gear 18, and the another one shift sleeve 23 on the secondary speed change driven shaft S4 does not mesh with the tooth that is connected of adjacent gear.Power is by the constant-mesh driven gear 14 on the constant-mesh driving gear 13 on the driven shaft S2 → secondary shift driving shaft S3 → middle retaining driving gear 17 → middle retaining driven gear 18 → double friction cone synchro 22 → secondary speed change driven shaft S4 → adapter sleeve 24 → small coning gear shaft S6 → tractor rear axle and propons.
Reverse gear: shift sleeve 23 slides to the right with the engagement of the connection tooth on the driven gear 21 that reverses gear, and the another one shift sleeve 23 on the secondary speed change driven shaft S4 does not mesh with the tooth that is connected of adjacent gear.Power is by the constant-mesh driven gear 14 on the constant-mesh driving gear 13 on the driven shaft S2 → secondary shift driving shaft S3 → driving gear 19 → reverse idle gear 20 that the reverses gear → driven gear 21 → double friction cone synchro 22 that reverses gear → secondary speed change driven shaft S4 → adapter sleeve 24 → small coning gear shaft S6 → tractor rear axle and propons.
Put B1 and secondary speed-changing device B2 combination when the main transformer quick-mounting like this, just can realize 18 forward gears and 6 retainings that fall back.
Claims (6)
1. wheel-tire tractor gearbox device comprises that mainly the main transformer quick-mounting puts (B1), secondary speed-changing device (B2); It is characterized in that: the main transformer quick-mounting is put (B1), secondary speed-changing device (B2) is arranged in order, and wherein the main transformer quick-mounting is put (B1) end and linked to each other with tractor engine, and secondary speed-changing device (B2) end links to each other with tractor rear axle.
2. wheel-tire tractor gearbox device according to claim 1, it is characterized in that: imput shaft (S1) and driven shaft (S2) are installed in the main-gear box device (B1), secondary shift driving shaft (S3), secondary speed change driven shaft (S4) and reverse shaft (S7) are installed in the secondary speed-changing device (B2); Wherein the axle center of imput shaft (S1) and secondary shift driving shaft (S3) is on same straight line, and the axle center of driven shaft (S2) and secondary speed change driven shaft (S4) is on same straight line, and the axle center of imput shaft (S1) and driven shaft (S2) is parallel to each other; Power output clutch front axle (S5) passes from the inside of imput shaft (S1) and secondary shift driving shaft (S3).
3. wheel-tire tractor gearbox device according to claim 1 and 2, it is characterized in that: put in (B1) at the main transformer quick-mounting, imput shaft (S1) goes up by spline I retaining driving gear (1) is installed, II keeps off driving gear (3), III keeps off driving gear (5), IV keeps off driving gear (7), V keeps off driving gear (9), VI keeps off driving gear (11), I retaining driven gear (2) is installed on the driven shaft (S2), II keeps off driven gear (4), III keeps off driven gear (6), IV keeps off driven gear (8), V keeps off driven gear (10), VI keeps off driven gear (12), I keeps off driving gear (1), II keeps off driving gear (3), III keeps off driving gear (5), IV keeps off driving gear (7), V keeps off driving gear (9), VI retaining driving gear (11) keeps off driven gear (2) with I respectively, II keeps off driven gear (4), III keeps off driven gear (6), IV keeps off driven gear (8), V keeps off driven gear (10), VI retaining driven gear (12) is meshing with each other, and driven shaft (S2) is an one with constant-mesh driving gear (13).
4. wheel-tire tractor gearbox device according to claim 1 and 2, it is characterized in that: three double friction cone synchros (22) are installed on the driven shaft (S2), and three double friction cone synchros (22) can horizontally slip vertically and be meshed with the connection tooth on the adjacent driven gear selecting respectively.
5. wheel-tire tractor gearbox device according to claim 1 and 2, it is characterized in that: in secondary speed-changing device (B2), secondary shift driving shaft (S3) is an one with constant-mesh driven gear (14) and low gear driving gear (15), secondary shift driving shaft (S3) is gone up by spline middle retaining driving gear (17) is installed, driving gear (19) reverses gear, constant-mesh driven gear (14) on the secondary shift driving shaft (S3), low gear driving gear (15), middle retaining driving gear (17) is gone up the constant-mesh driving gear of installing (13) with secondary speed change driven shaft (S4) respectively, low gear driven gear (16), middle retaining driven gear (18) is meshing with each other, be installed in reverse idle gear (20) while and the driving gear that reverses gear (19) on the reverse shaft (S7), the driven gear (21) that reverses gear is meshing with each other, and secondary speed change driven shaft (S4) links together by adapter sleeve (24) and small coning gear shaft (S6).
6. wheel-tire tractor gearbox device according to claim 1 and 2, it is characterized in that: two shift sleeves (23) are installed on the secondary speed change driven shaft (S4), and shift sleeve (23) can horizontally slip vertically and be meshed with the connection tooth on the adjacent driven gear selecting respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202972106U CN201573541U (en) | 2009-12-24 | 2009-12-24 | Gear box device of wheeled tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202972106U CN201573541U (en) | 2009-12-24 | 2009-12-24 | Gear box device of wheeled tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201573541U true CN201573541U (en) | 2010-09-08 |
Family
ID=42693419
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202972106U Expired - Lifetime CN201573541U (en) | 2009-12-24 | 2009-12-24 | Gear box device of wheeled tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201573541U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537287A (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 18+6 gears |
| CN103161888A (en) * | 2013-03-22 | 2013-06-19 | 泰安泰山国泰拖拉机制造有限公司 | Speed changer used for tractor |
| CN103925346A (en) * | 2014-03-24 | 2014-07-16 | 第一拖拉机股份有限公司 | Synchronous reversing belt crawling-gear gearbox of tractor |
| CN104864041A (en) * | 2015-05-29 | 2015-08-26 | 刘海珣 | Full synchronizer shift transmission device of high-power wheeled 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 |
| CN113685512A (en) * | 2021-09-08 | 2021-11-23 | 山东福尔沃农业装备股份有限公司 | Gearbox assembly with section power gear shifting function for tractor |
-
2009
- 2009-12-24 CN CN2009202972106U patent/CN201573541U/en not_active Expired - Lifetime
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102537287A (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 18+6 gears |
| CN102537287B (en) * | 2012-01-15 | 2014-08-20 | 福田雷沃国际重工股份有限公司 | Tractor speed change device with 18+6 gears |
| CN103161888A (en) * | 2013-03-22 | 2013-06-19 | 泰安泰山国泰拖拉机制造有限公司 | Speed changer used for tractor |
| CN103161888B (en) * | 2013-03-22 | 2015-09-23 | 泰安泰山国泰拖拉机制造有限公司 | For the speed changer of tractor |
| CN103925346A (en) * | 2014-03-24 | 2014-07-16 | 第一拖拉机股份有限公司 | Synchronous reversing belt crawling-gear gearbox of tractor |
| CN103925346B (en) * | 2014-03-24 | 2016-08-17 | 第一拖拉机股份有限公司 | Synchronous communicating band creeper gear gear box of tractor |
| CN104864041A (en) * | 2015-05-29 | 2015-08-26 | 刘海珣 | Full synchronizer shift transmission device of high-power wheeled tractor |
| CN104864041B (en) * | 2015-05-29 | 2018-03-16 | 刘海珣 | The full synchronizer shift gearbox device of large power wheel 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 |
| CN107461472B (en) * | 2017-08-29 | 2023-09-05 | 徐州凯尔农业装备股份有限公司 | Power shift and power reversing tractor gearbox |
| CN113685512A (en) * | 2021-09-08 | 2021-11-23 | 山东福尔沃农业装备股份有限公司 | Gearbox assembly with section power gear shifting function for tractor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101837729B (en) | Tractor speed-changing box unit with synchronizer commutation | |
| CN201573541U (en) | Gear box device of wheeled tractor | |
| CN102678839B (en) | Double-clutch transmission used in tractor | |
| CN103925346B (en) | Synchronous communicating band creeper gear gear box of tractor | |
| CN109737190B (en) | Two double planetary gear four-gear automatic transmission of double separation and reunion | |
| CN202646555U (en) | Transmission device for speed changing box of tractor | |
| CN201992008U (en) | Transmission and vehicle including same | |
| CN218777413U (en) | Electric drive bridge structure driven by single motor | |
| CN107461472B (en) | Power shift and power reversing tractor gearbox | |
| CN213479071U (en) | Two-gear pure electric vehicle gearbox | |
| CN202833882U (en) | Large tractor transfer case | |
| CN209738800U (en) | Hybrid power driving system and vehicle thereof | |
| CN116018287A (en) | Single-motor multi-mode hybrid power system and hybrid power vehicle | |
| CN204647175U (en) | The shifted case apparatus of large power wheel tractor synchronize fully device | |
| CN201849313U (en) | Tractor speed changing box device reversing by synchronizer | |
| CN201339686Y (en) | Light automobile speed variator with main and auxiliary box | |
| CN217227285U (en) | Unpowered interrupt type multi-gear power split hybrid power driving system | |
| CN203770550U (en) | Synchronous reversing tractor transmission case with crawling gear | |
| CN203822966U (en) | Gearbox provided with crawling gear and retrograding device for tractor | |
| CN102606688A (en) | Vehicular seven-speed transmission | |
| CN209925529U (en) | Tractor transmission device with power reversing and synchronous gear shifting for medium and small power | |
| CN110469639B (en) | Full-power gear shifting speed change device of tractor | |
| CN202531747U (en) | Multifunctional speed changer of four-wheel drive tractor | |
| CN203585231U (en) | All-synchromesh twelve-gear transmission for heavy motor truck | |
| CN203248625U (en) | Multi-clutch transmission with convergent planetary row |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: FIRST TRACTOR CO., LTD. Free format text: FORMER OWNER: CHINA YITUO GROUP CO., LTD. Effective date: 20110714 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 471039 NO. 39, XIYUAN ROAD, JIANXI DISTRICT, LUOYANG CITY, HE'NAN PROVINCE TO: 471004 NO. 154, JIANSHE ROAD, JIANXI DISTRICT, LUOYANG CITY, HE'NAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110714 Address after: 471004 Jianshe Road, Jianxi, Henan, No. 154, Patentee after: First Tractor Co., Ltd. Address before: 471039 No. 39, Xiyuan Road, Jianxi District, Henan, Luoyang Patentee before: China Yituo Group Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20100908 |
|
| CX01 | Expiry of patent term |