CN104553774A - Direct-connected four-wheel driven variable speed drive device with steering axle - Google Patents
Direct-connected four-wheel driven variable speed drive device with steering axle Download PDFInfo
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- CN104553774A CN104553774A CN201510046603.XA CN201510046603A CN104553774A CN 104553774 A CN104553774 A CN 104553774A CN 201510046603 A CN201510046603 A CN 201510046603A CN 104553774 A CN104553774 A CN 104553774A
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Abstract
The invention provides a direct-connected four-wheel driven variable speed drive device with a steering axle. The direct-connected four-wheel driven variable speed drive device comprises an input shaft, a first shaft, a second shaft, a third shaft, a fourth shaft, a steering shaft, a sixth shaft, a left driving shaft, a right driving shaft, a four-wheel driven driving shaft and a rear output shaft. A high and low-gear duplicate gear on the first shaft and a third-gear variable speed duplicate gear on the third shaft are driven to be meshed with a third-gear variable speed gear and other gears so as to form four-gear speed variation; then, on one hand, power is transmitted to the driving shafts, a deceleration main drive cross axle and a steering axle deceleration driven shaft via the fourth shaft, the steering shaft and the sixth shaft; on the other hand, the power is transmitted to the rear output shaft via the fourth shaft and the four-wheel driven driving shaft; the rear output shaft is connected with a rear driving axle through a universal connecting shaft to drive rear driving wheels to run. By the device, power is divided into two ways for driving, and four-wheel drive of front driving wheels and the rear driving wheels is realized; meanwhile, left turning and right turning of the front driving wheels are realized through a double rod cylinder.
Description
Technical field
The present invention relates to a kind of associated mode 4 wheel driven variable-speed drive with steeraxle, belong to 4 wheel driven drive technology field.
Background technology
Field machine is primarily of compositions such as engine installation, driving device, walking and transmission system, steering hardware and working parts, and driving device is the important component part of self-propelled field machine, and its structure is also various.The field machine existing structure of transmission gearbox assembly, no matter be two-wheel drive, it not four wheel drive, substantially still drive axle or rear driving axle before use, just be achieved turning to of complete machine, so just must be made up of drive axle and transmission gearbox two parts, through research, substantially all diff is installed in most transmission gearbox, drive axle is also provided with diff simultaneously, studies from economize energy, drive axle and transmission gearbox can be carried out unitized design completely, thus making structure more simple, manufacture and installation simplify more.In order to make the more practical and economize energy of farm machinery, and obtain excellent tractive performance, and this kind of driving device adapts to the needs of small agricultural machinery especially, as small four-wheel tractor, small-sized harvest machinery, orchard supervisor, farm cart etc.
Chinese patent literature CN203289918U discloses one " harvest machinery transmission assembly ", mainly be made up of gearbox body, I Shaft assembly, II Shaft assembly, III Shaft assembly, IV Shaft assembly, differential assembly, VI Shaft assembly and live axle assembly, each Shaft assembly two ends are respectively equipped with a bearing, be installed in gearbox body bearing hole respectively, play the effect of supporting each axle, in reverse gear shaft assembly, reverse gear shaft two ends are installed in change speed gear box body opening respectively, play the effect of supporting reverse gear shaft; Each gear on I axle, II axle, III axle and live axle is coordinated with each axle by rectangular spline; Gear on secondary speed change optical axis coordinates in small―gap suture mode with secondary speed change optical axis, trackslips thereon; Central authorities on differential axle transmit big gear wheel by two finishing bevel gear cuters, and two pieces steering gear transmits gear respectively and forms finishing bevel gear cuter and coordinate under the left and right elastic force effect turning to spring with central authorities, realize differential steering under spring force; Outside utilizes deflector to turn to.The defect of this harvest machinery transmission assembly is that harvest machinery cannot realize 4 wheel driven function without II axle.And be not associated mode with propulsion source.Brake assembly is arranged on one end of III axle, and when load is large, braking effect is bad, especially on the slope, when cannot brake, easily causes vehicle slip-down, abnormally dangerous.
CN201530426U discloses one " four wheel drive walker tractor ", by change speed gear box, the four wheel drive walker tractor of transmission gearbox and trailer composition, its special character carries out suitable increasing to the change speed gear box at position on the lower side, steering shaft rear portion, at enlarged points, rear drive shaft is installed, rear drive shaft is set with the transmission gear that is meshed with central transmission big gear wheel and rear power-transfer clutch is meshed with bevel pinion, rear-guard output shaft is connected with the output shaft of transmission gearbox by versatile spindle, I axle of transmission gearbox is fixed with miniature gears, the slip big gear wheel that miniature gears and wheel hub are provided with transmission shift fork is meshed, slip big gear wheel device is equipped with spline on the transmission output shaft of the spline of band or by I axle of transmission gearbox and output shaft, position is relative, size is equal, two axles are concentric, the spline housing A being provided with fork groove is enclosed within I axle.
The defect of above-mentioned four wheel drive walker tractor is, steering shaft lower portion increase output unit cause turn on paddy field and muddy highway very heavy, and beyond change speed gear box, add a transmission gearbox to engage to the power realizing rear output and cut off, and be not associated mode with propulsion source, make manufacturing cost high.In order to solve the problem, a kind of associated mode 4 wheel driven variable-speed drive with steeraxle of special invention.
Summary of the invention
For the deficiency that existing self-propelled field machine driving device exists, the invention provides a kind of can realize 4 wheel driven transmission, structure simple, be convenient to manufacture, the associated mode 4 wheel driven variable-speed drive of easy to operate band steeraxle.
A kind of associated mode 4 wheel driven variable-speed drive with steeraxle of the present invention, by the following technical solutions: the associated mode 4 wheel driven variable-speed drive of this band steeraxle, comprises input shaft, I axle, II axle, III axle, IV axle, steering shaft, VI axle, left driving shaft, right driving axle, 4 wheel driven transmission shaft and rear output shaft; Input shaft is installed power-transfer clutch, input finishing bevel gear cuter; I axle is provided with output bevel gear wheel, high and low shift dual gear; II axle is provided with successively II grade of driven gear, III shelves driven gear, I grade of driven gear and reverse gear driven gear, the mouth of II axle is equipped with power wheel; III axle is provided with successively III axle final gear, III grade of speed change dual gear and III grade of variable gear; IV axle is provided with IV shaft gear, IV shaft gear one side and the central gears meshing on steering shaft, engage with the shifting slide gear on 4 wheel driven transmission shaft on the one hand; Steering shaft is provided with central gear, a differential gear is respectively installed in the both sides of central gear, composition diff, and central gear engages with IV shaft gear; VI axle is provided with two VI shaft drive dual gears, the big gear wheel on two VI shaft drive dual gears engages with two differential gears respectively; Left driving shaft and right driving axle the inner are all engaged with the miniature gears on two VI shaft drive dual gears respectively with two driven wheels; Left driving shaft and right driving axle outer end all lead to center cross with deceleration main gear center cross and are connected, steeraxle deceleration main gear center cross is provided with steeraxle deceleration final gear, deceleration final gear is meshed with the steeraxle reduction driven gear that steeraxle reduction driven axle is installed, and tire on the drive wheels is respectively installed in steeraxle reduction driven axle two ends; 4 wheel driven transmission shaft is provided with shifting slide gear and 4 wheel driven finishing bevel gear cuter, 4 wheel driven finishing bevel gear cuter engages with the finishing bevel gear cuter on rear output shaft; Rear output shaft is the bevel gear shaft engaged with 4 wheel driven finishing bevel gear cuter.
In addition, also comprise a reverse gear shaft, reverse gear shaft be provided with reverse gearwheel, by reverse gearwheel, reverse gear driven gear and and III grade of variable gear realize two grades of operations that fall back.
The two ends of IV axle are provided with drg, to realize stopping and the deceleration of walking.
Said apparatus, power is by power input shaft and the power-transfer clutch installed, dress power transmission is on I axle, by stirring the high and low shift dual gear on I axle and III grade of speed change dual gear on III axle and III grade of variable gear and other gears meshing, be combined to form six grades of speed changes, after each shelves speed change, power reaches IV axle.After this power reaches axle drive shaft through IV axle, steering shaft and VI axle on the one hand, drives the front driving wheel running on axle drive shaft; Reach rear output shaft through IV axle and 4 wheel driven transmission shaft on the other hand, rear output shaft is connected with rear driving axle by universal connecting shaft, reaches rear driving axle through universal connecting shaft, drives the rear drive sprocket running on rear driving axle.At rear output shaft 3, I grade of driven gear 7 is housed, drives the farm machinery (as rotovator etc.) at rear to operate by I grade of driven gear 7, realize the 3rd road power transmission.
The present invention is by being divided into two-way to drive power, achieve the 4 wheel driven transmission of front driving wheel and rear drive sprocket, axle drive shaft two ends connect steeraxle mechanism, turn to and adopt double rod cylinder to arrange, oil cylinder and two turns to axle housing to adopt hinged being connected, and piston rod is rearmounted or preposition trapezoidal tierod component part.Double rod cylinder is adopted not only to make complete machine left and right turn performance identical, and the easier flexibility and reliability of steering operation, and transmission system configuration is more reasonable, greatly alleviate the labour intensity of operator, reduce manufacturing cost, the 3rd road power transmission and reverse gear function can also be realized equally, can be used for supporting harvest machinery and tillage machinery etc.
Accompanying drawing explanation
Fig. 1 is each shaft position relation cutaway view of a kind of associated mode 4 wheel driven variable-speed drive with steeraxle of the present invention.
Fig. 2 is each shaft drive relation principle schematic diagram analysed and observe along A-A line shown in Fig. 1.
Fig. 3 is each shaft drive relation principle schematic diagram analysed and observe along B-B line shown in Fig. 1.
In figure: 1, I axle, 2, II grade of driven gear, 3, II axle, 4, III shelves driven gear, 5, high and low shift dual gear, 6, III grade of speed change dual gear, 7, I grade of driven gear, 8, reverse gear driven gear, 9, III axle final gear, 10, III grade of variable gear, 11, III axle, 12, IV shaft gear, 13, IV axle, 14, steering shaft, 15, differential gear, 16, central authorities' gear, 17, VI axle, 18, VI shaft drive dual gear, 19, left driving shaft, 20, right driving axle, 21, driven wheel, 22, rear drive sprocket, 23, associated mode diesel engine, 24, power input shaft, 25, power-transfer clutch, 26, reverse gearwheel, 27, 4 wheel driven transmission shaft, 28, shifting slide gear, 29, 4 wheel driven finishing bevel gear cuter, 30, rear output shaft, 31, universal connecting shaft, 32, rear driving axle, 33, rear drive sprocket, 34, steeraxle deceleration main gear center cross, 35, steeraxle deceleration final gear, 36, steeraxle reduction driven gear, 37, steeraxle reduction driven axle, 38, steering cylinder, 39, input finishing bevel gear cuter, 40, output bevel gear is taken turns, and 41, drg.
Detailed description of the invention
According to Fig. 1, Fig. 2, Fig. 3, with an associated mode 4 wheel driven variable-speed drive for steeraxle, mainly comprise power input shaft 24, I axle 1, II axle 3, III axle 11, IV axle 13, steering shaft 14, VI axle 17, left driving shaft 19, right driving axle 20,4 wheel driven transmission shaft 27 and rear output shaft 30.
Power input shaft 24 is provided with power-transfer clutch 25, power-transfer clutch 25 is connected with associated mode diesel engine 23 by connecting bushing, and power input shaft 24 installs input finishing bevel gear cuter 39 simultaneously, input finishing bevel gear cuter 39 be arranged on output bevel gear on I axle 1 and take turns 40 and engage.
I axle 1 is provided with high and low shift dual gear 5, stirs high and low shift dual gear 5 by shift fork and move on I axle 1.
II axle 3 is provided with successively II grade of driven gear 2, III shelves driven gear 4, I grade of driven gear 7 and reverse gear driven gear 8.At rear output shaft 3, I grade of driven gear 7 is housed, drives the farm machinery (as rotovator etc.) at rear to operate by I grade of driven gear 7, realize the 3rd road power transmission.
III axle 11 is provided with successively III axle final gear 9, III grade of speed change dual gear 6 and III grade of variable gear 10.
IV axle 13 is provided with the central gears meshing on IV shaft gear 12, IV shaft gear 12 1 aspect and steering shaft 14, power is reached left driving shaft 19 and right driving axle 20; Engage with the shifting slide gear 28 on 4 wheel driven transmission shaft 27 on the one hand, power is reached rear driving axle 32.This makes it possible to power is transmitted to rear drive sprocket and front driving wheel simultaneously, realize 4 wheel driven transmission.At IV axle 13 two ends, drg 41 is all installed, to realize stopping and the deceleration of walking.
Steering shaft 14 is provided with central gear 16, a differential gear 15 is respectively installed in the both sides of central gear 16, and composition diff, central gear 16 engages with IV shaft gear 12.
Big gear wheel VI axle 17 is provided with on two VI shaft drive dual gears, 18, two VI shaft drive dual gears 18 engages with two differential gears 15 respectively.
On left driving shaft 19 and right driving axle 20, inner side is all provided with driven wheel 21, and two driven wheels 21 engage with the miniature gears on two VI shaft drive dual gears 18 respectively.Left driving shaft 19 is respectively connected with steeraxle deceleration main gear center cross 34 with right driving axle 20 outer end, and through steeraxle deceleration main gear center cross 34, steeraxle deceleration final gear 35 engages with steeraxle reduction driven gear 36, and front driving wheel 22 is installed at steeraxle reduction driven axle 37 two ends.
4 wheel driven transmission shaft 27 is provided with shifting slide gear 28 and 4 wheel driven finishing bevel gear cuter 29, stirs shifting slide gear 28 and move on 4 wheel driven transmission shaft 27, can realize engaging with IV shaft gear 12,4 wheel driven finishing bevel gear cuter 29 engages with the finishing bevel gear cuter on rear output shaft 30.
Rear output shaft 30 is the bevel gear shafts engaged with 4 wheel driven finishing bevel gear cuter 29, and rear output shaft 30 is connected with rear driving axle 32 by universal connecting shaft 31.Rear driving axle 32 installs two rear drive sprockets 33.
In addition, also comprise a reverse gear shaft, reverse gear shaft be provided with reverse gearwheel 26(see Fig. 2), reverse gearwheel 26 engages with reverse gear driven gear 8 and III grade of variable gear 10 engages with reverse gearwheel 26, realizes two grades of operations that fall back.
The process that said apparatus realizes four wheel drive is as described below:
The engagement of the power-transfer clutch 25 that the power of associated mode diesel engine 23 is installed through input shaft 24 and input finishing bevel gear cuter 39 and output bevel gear wheel 40, transmit power on I axle 1, by stirring the high and low shift dual gear 5 on I axle 1 and the III grade of speed change dual gear 6 on III axle 11 and III grade of variable gear 10 and other gears meshing, be combined to form six grades of speed changes, after each shelves speed change, power reaches IV axle 13.After this power divides two-way to transmit: on the one hand the engaging of IV shaft gear 12 and central gear 16 on steering shaft 14 on IV axle 13, engaging of differential gear 15 and VI shaft drive dual gear 18 on VI axle 17 and engaging of VI shaft drive dual gear 18 and driven wheel 21 on steering shaft 14, power is reached left driving shaft 19 and right driving axle 20, left driving shaft 19 is respectively connected with steeraxle deceleration main gear center cross 34 with right driving axle 20 outer end, engage with steeraxle reduction driven gear 36 through steeraxle deceleration final gear 35, the front driving wheel 22 driving steeraxle reduction driven axle 37 two ends to install operates, on the other hand, on IV axle 13, IV shaft gear 12 and shifting slide gear 28 on 4 wheel driven transmission shaft 27 engages and the engaging of 4 wheel driven finishing bevel gear cuter 29 and the finishing bevel gear cuter on rear output shaft 30 on 4 wheel driven transmission shaft 27, power is reached rear driving axle 32 through universal connecting shaft 31, drives two rear drive sprockets 33 on rear driving axle 32 to operate.Realizing engaging or disengagement of shifting slide gear 28 and IV shaft gear 12 by stirring shifting slide gear 28, realizing power and combining or cut off.II axle 3 drives the farm machinery (as rotovator etc.) at rear to operate by Chain conveyer 23, realizes the 3rd road power transmission.
Six grades of advance speed changes between II axle 3 and III axle 11 and two grades of speed-change processes that fall back as described below:
I grade of forward movement: stir high and low shift dual gear 5 and III shelves driven gear 4 engages, stirs III grade of variable gear 10 and engages with I grade of driven gear 7.
II grade of forward movement: stir high and low shift dual gear 5 and III shelves driven gear 4 engages, stirs III grade of speed change dual gear 6 and engages with II grade of driven gear 2.
III grade of forward movement: stir high and low shift dual gear 5 and engage with III shelves driven gear 4, stirs III grade of speed change dual gear 6 and engages with III grade of driven gear 4.
IV shelves forward movement: stir high and low shift dual gear 5 and engage with I shelves driven gear 7, stirs III grade of variable gear 10 and engages with I grade of driven gear 7.
V shelves forward movement: stir high and low shift dual gear 5 and engage with I shelves driven gear 7, stirs III grade of speed change dual gear 6 and engages with II grade of driven gear 2.
VI shelves forward movement: stir high and low shift dual gear 5 and engage with I shelves driven gear 7, stirs III grade of speed change dual gear 6 and engages with III grade of driven gear 4.
I grade of drawback movement; Stir high and low shift dual gear 5 to engage with III shelves driven gear 4, stir III grade of variable gear 10 with reverse gearwheel 26(see Fig. 2) engage, reverse gearwheel engages with reverse gear driven gear 8.
II grade of drawback movement: stir high and low shift dual gear 5 and engage with I shelves driven gear 7, stir III grade of variable gear 10 and engage with reverse gearwheel 26, reverse gearwheel 26 engages with reverse gear driven gear 8.
The process that said apparatus realizes turning to is as described below:
Steering shaft 14 is provided with central gear 16, a differential gear 15 is respectively installed in the both sides of central gear 16, and composition diff, central gear 16 engages with IV shaft gear 12.VI axle 17 is provided with two VI shaft drive dual gears, 18, two differential gears 15 to engage respectively with the big gear wheel on two VI shaft drive dual gears 18.VI shaft drive dual gear 18 engages with driven wheel 21, by transmission of power on left driving wheel axle 19 and right driving axle 20, left driving shaft 19 is respectively connected with steeraxle deceleration main gear center cross 34 with right driving axle 20 outer end, and through steeraxle deceleration main gear center cross 34, steeraxle deceleration final gear 35 engages with steeraxle reduction driven gear 36, and front driving wheel 22 is installed at steeraxle reduction driven axle 37 two ends.On the housing at axle drive shaft two ends, connect steeraxle mechanism, turn to and adopt double rod cylinder 38 to arrange, oil cylinder and two turns to axle housing to adopt hinged being connected, and piston rod is rearmounted or preposition trapezoidal tierod component part simultaneously.By the motion of double piston-rod and the effect of cooperation diff, thus realize turning to of left and right tire.Adopt double rod cylinder that complete machine left and right turn performance can be made identical.
Claims (3)
1. the associated mode 4 wheel driven variable-speed drive with steeraxle, comprises I axle, II axle, III axle, IV axle, steering shaft, VI axle, left driving shaft, right driving axle, 4 wheel driven transmission shaft and rear output shaft; It is characterized in that: I axle is provided with high and low shift dual gear; II axle is provided with successively II grade of driven gear, III shelves driven gear, I grade of driven gear and reverse gear driven gear, the mouth of II axle is equipped with power wheel; III axle is provided with successively III axle final gear, III grade of speed change dual gear and III grade of variable gear; IV axle is provided with IV shaft gear, IV shaft gear one side and the central gears meshing on steering shaft, engage with the shifting slide gear on 4 wheel driven transmission shaft on the one hand; Steering shaft is provided with central gear, a differential gear is respectively installed in the both sides of central gear, composition diff, and central gear engages with IV shaft gear; VI axle is provided with two VI shaft drive dual gears, the big gear wheel on two VI shaft drive dual gears engages with two differential gears respectively; Left driving shaft and right driving axle the inner are all engaged with the miniature gears on two VI shaft drive dual gears respectively with two driven wheels; Left driving shaft and right driving axle outer end all lead to center cross with deceleration main gear center cross and are connected, steeraxle deceleration main gear center cross is provided with steeraxle deceleration final gear, deceleration final gear is meshed with the steeraxle reduction driven gear that steeraxle reduction driven axle is installed, and tire on the drive wheels is respectively installed in steeraxle reduction driven axle two ends; 4 wheel driven transmission shaft is provided with shifting slide gear and 4 wheel driven finishing bevel gear cuter, 4 wheel driven finishing bevel gear cuter engages with the finishing bevel gear cuter on rear output shaft; Rear output shaft is the bevel gear shaft engaged with 4 wheel driven finishing bevel gear cuter.
2. a kind of associated mode 4 wheel driven variable-speed drive with steeraxle according to claim 1, speed change exports the connection of transmission and two steeraxles, left driving shaft and right driving axle outer end all lead to center cross with deceleration main gear center cross and are connected, steeraxle deceleration main gear center cross is provided with steeraxle deceleration final gear, deceleration final gear is meshed with the steeraxle reduction driven gear that steeraxle reduction driven axle is installed, and tire on the drive wheels is respectively installed in steeraxle reduction driven axle two ends.
3. a kind of associated mode 4 wheel driven variable-speed drive with steeraxle according to claim 1, turn to and adopt double rod cylinder to arrange, oil cylinder and two turns to axle housing to adopt hinged being connected, piston rod is rearmounted or preposition trapezoidal tierod component part, adopts double rod cylinder to make complete machine left and right turn performance identical.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046603.XA CN104553774A (en) | 2015-01-30 | 2015-01-30 | Direct-connected four-wheel driven variable speed drive device with steering axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510046603.XA CN104553774A (en) | 2015-01-30 | 2015-01-30 | Direct-connected four-wheel driven variable speed drive device with steering axle |
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| Publication Number | Publication Date |
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| CN104553774A true CN104553774A (en) | 2015-04-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510046603.XA Pending CN104553774A (en) | 2015-01-30 | 2015-01-30 | Direct-connected four-wheel driven variable speed drive device with steering axle |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794336A (en) * | 2016-04-12 | 2016-07-27 | 彭宇良 | Four-wheeled differential driving friction tiller |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3611968A1 (en) * | 1985-04-09 | 1986-10-09 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | FOUR WHEEL DRIVE |
| US5560447A (en) * | 1994-07-25 | 1996-10-01 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Drive transmission for working vehicles |
| CN200992146Y (en) * | 2007-01-09 | 2007-12-19 | 李殿荣 | Straight connection device of horizontal single, double cylinder diesel-engine tractors |
| CN101648516A (en) * | 2008-08-15 | 2010-02-17 | 中国第一汽车集团公司 | Steering drive axle with independent suspension and single cross axle wheel-side transmission |
| CN203289918U (en) * | 2013-03-08 | 2013-11-20 | 山东常林农业装备股份有限公司 | Transmission assembly for harvest machine |
| CN203418984U (en) * | 2013-08-21 | 2014-02-05 | 福田雷沃国际重工股份有限公司 | Front drive axle of tractor |
| CN104191966A (en) * | 2014-08-22 | 2014-12-10 | 山东常林农业装备股份有限公司 | Multifunctional self-propelled tillage machine with four-wheel-drive |
-
2015
- 2015-01-30 CN CN201510046603.XA patent/CN104553774A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3611968A1 (en) * | 1985-04-09 | 1986-10-09 | Nissan Motor Co., Ltd., Yokohama, Kanagawa | FOUR WHEEL DRIVE |
| US5560447A (en) * | 1994-07-25 | 1996-10-01 | Kanzaki Kokyukoki Mfg. Co., Ltd. | Drive transmission for working vehicles |
| CN200992146Y (en) * | 2007-01-09 | 2007-12-19 | 李殿荣 | Straight connection device of horizontal single, double cylinder diesel-engine tractors |
| CN101648516A (en) * | 2008-08-15 | 2010-02-17 | 中国第一汽车集团公司 | Steering drive axle with independent suspension and single cross axle wheel-side transmission |
| CN203289918U (en) * | 2013-03-08 | 2013-11-20 | 山东常林农业装备股份有限公司 | Transmission assembly for harvest machine |
| CN203418984U (en) * | 2013-08-21 | 2014-02-05 | 福田雷沃国际重工股份有限公司 | Front drive axle of tractor |
| CN104191966A (en) * | 2014-08-22 | 2014-12-10 | 山东常林农业装备股份有限公司 | Multifunctional self-propelled tillage machine with four-wheel-drive |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105794336A (en) * | 2016-04-12 | 2016-07-27 | 彭宇良 | Four-wheeled differential driving friction tiller |
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Application publication date: 20150429 |