CN208997287U - A kind of integrated form gear box for tractor - Google Patents
A kind of integrated form gear box for tractor Download PDFInfo
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- CN208997287U CN208997287U CN201821024786.0U CN201821024786U CN208997287U CN 208997287 U CN208997287 U CN 208997287U CN 201821024786 U CN201821024786 U CN 201821024786U CN 208997287 U CN208997287 U CN 208997287U
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- gear
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- hydraulic pump
- jackshaft
- main drive
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Abstract
The utility model relates to a kind of integrated form gear box for tractor, the integrated form gear box for tractor hydraulic pump or deceleration output device of different function can be selected according to farming operation demand, its structure is: driven by engine gearbox spindle rotation, guarantee that engaging sleeve moves axially on driving shaft by manipulation shift fork, it is engaged with main drive gear, coaxial rotating, main drive gear drives intermediate gear drives hydraulic pump gear or deceleration output gear, it is easy to operate to realize the normal work requirement of hydraulic pump or agricultural machinery and implement.When engaging sleeve is separated with main drive gear, gearbox main shaft only drives sliding sleeve, engaging sleeve rotation, main drive gear, intermediate gear, hydraulic pump driving axle, deceleration output gear are in relative static conditions, improve service life of gear, reduce gearbox mechanical noise.The features such as independently exporting because of integrated auxiliary transmission, hydraulic pump reduces assembly volume, Distance Shortened, and vehicle turning radius reduces, and is more suitable for farmland and booth work requirement.
Description
Technical field
The utility model relates to field of agricultural machinery, more particularly, to a kind of gear box for tractor.
Background technique
Currently, the automobile-used speed change of single cylinder engine or twin-tub the machine matching that small farm tractor in the market mostly uses commonly
Case.To reach installation requirement, rear end uses transition connection type, i.e. engine drives attachment driving shaft by mechanical clutch,
Attachment driving shaft and one axis of gearbox are attached by spline housing, realize that engine power is passed to gearbox and carries out subsequent move
Power output.Meanwhile when tractor carries out farmland rotary tillage process, low revolving speed is needed to export, market operation mode is in main transformer
Increase auxiliary transmission before fast case, by auxiliary transmission deceleration speed changer gear operation, is aided with the corresponding gear of main-gear box, can be realized and drag
Machine drawing carries out the low rotation speed large torque requirement when rotary tillage process of farmland, but operates and its inconvenient, and because increasing auxiliary transmission
Afterwards, engine and transmission between centers entire length increase, and cause tractor turning radius excessive, damage to farmland also big.Especially exist
When the rotary tillage of greenhouse farmland or other operations, tractor turning limitation is bigger, is unable to satisfy job requirements in greenhouse substantially；Vehicle at
This can also increase therewith because increasing the associated components such as auxiliary transmission.For hydraulic pump output port, original way is to adopt
It is carried out with the one axis way of output of main-gear box, in this way, compartment after need to installing additional in tractor transportation function, is realized by articulated body and connected
It connects, spatial position is nervous, arranges and limits into and out of oil pipe line, and services and repairs is inconvenient；If articulated body design is too long, transmission shaft also can
It is required that lengthening, connection reliability is reduced, turning radius increases, increased costs.
The Chinese patent of Publication No. CN 103939538A discloses a kind of gear box of tractor, including cabinet, main manipulation
Device, main speed-changing mechanism and secondary gear, main speed-changing mechanism include as power input first axle, be parallel to first axle and set
Jackshaft, the second axis and reverse shaft with the concentric setting of first axle set, secondary gear include that can be achieved to main transformer speed
Mechanism exports revolving speed and carries out the epicyclic gearing that high-grade, low-grade or creeper gear is adjusted, and the epicyclic gearing includes row
Star gear spline circle, creeper gear gear ring and the soldered tooth set for connecting output shaft, soldered tooth set are distinguished by the way that position is mobile
Gear shaft, planetary gear spline circle and the creeper gear gear ring of the second axis of engaged transmission realize that high-grade, low-grade or creeper gear revolving speed becomes
It changes.The existing gear box of tractor, the first axle and output gear shaft of power input are in same level height, and
The total length for increasing obvious whole device after gear regulating member is too long, is not suitable in farmland and booth work or other are narrow
Job space.
Summary of the invention
The utility model mainly solves tractor speed change and hydraulic pump transmission mechanism is excessively complicated, and entire length is excessive to be caused
Turning radius big equal technical problem when operation in farmland especially greenhouse provides a kind of compact-sized, volume reduction, relatively whole
Vehicle turning radius reduces, and adapts to farmland and booth work, intermediate gear drive, hydraulic pump transmission mechanism and deceleration output machine
Structure takes general assembly form, and installation is simple, integrated form gear box for tractor easy to maintenance.
Above technical problems of the utility model are mainly solved by the following technical scheme: a kind of integrated form drags
Machine drawing gearbox, including cabinet, it is characterised in that: driving shaft output mechanism and deceleration output mechanism are equipped in the cabinet,
The driving shaft output mechanism includes driving shaft, main drive gear, and the main drive gear is arranged on the driving shaft, institute
State driving shaft output end be arranged with can along driving shaft engaging sleeve in axial sliding, when neutral gear the engaging sleeve external splines and institute
The internal spline separation of main drive gear is stated, the internal spline of the external splines and the main drive gear of the engaging sleeve is nibbled when having grade
It closes；Intermediate transmission mechanism, the intermediate transmission mechanism are equipped between the driving shaft output mechanism and deceleration output mechanism
Including jackshaft, the jackshaft be equipped with jackshaft input gear and jackshaft output gear, the main drive gear with
The jackshaft input gear external toothing；The jackshaft output gear side is equipped with the deceleration output mechanism, separately
Side is equipped with hydraulic pump transmission mechanism, and the hydraulic pump transmission mechanism includes hydraulic pump output shaft, hydraulic pump, and described is hydraulic
It pumps output shaft and is equipped with hydraulic pump output gear, the input shaft phase of the output end and the hydraulic pump of the hydraulic pump output shaft
Even, the hydraulic pump output gear and the jackshaft output gear external toothing；The deceleration output mechanism includes that deceleration is defeated
Shaft, deceleration output gear, the deceleration output gear are mounted on the reducing output shaft, the deceleration output gear with
The output shaft end of the jackshaft output gear external toothing, the reducing output shaft is equipped with power output terminal pad.
When in use, engaging sleeve is located at gearbox driving shaft output end, is in synchronous working condition, and engaging sleeve passes through
The rotation of shift fork, binding face act on engaging sleeve fork slot inner wall and realize axial movement, when neutral gear the external splines of engaging sleeve with
The internal spline of main drive gear separates, and the external splines of engaging sleeve is engaged with the internal spline of main drive gear when having grade.Pass through main biography
Moving gear drives to intermediate gear work.The output end of intermediate gear drives hydraulic pump output gear and deceleration output gear respectively again
The rotation of wheel, to drive the rotation of hydraulic pump and agricultural machinery and implement respectively.Thus the engine of the application and transmission between centers are whole
Length is reduced, and is conducive to reduce tractor turning radius, is damaged to farmland small.Especially in the rotary tillage of greenhouse farmland or other operations
When, tractor turning limitation is small, can satisfy job requirements in greenhouse.
Preferably, being equipped with sliding sleeve between the driving shaft and the main drive gear, the driving shaft output end is used
Two Parallel Axis are made to support, and are located on cabinet with axle spring retaining ring, against the both ends of the surface of the main drive gear
It is respectively equipped with main drive gear retaining ring, spiral grooves, the main drive gear both ends are machined on the external cylindrical surface of the sliding sleeve
Face processes the groove for having enough lubrications when relative motion under guaranteed main drive gear and main drive gear retaining ring working condition.?
In use, driving shaft and jackshaft axle center distance are 113 ± 1 millimeters, gearbox driving shaft output end is using two bearings in parallel
As support, meets the work torsional moment requirement of shaft end main drive gear, sliding sleeve and engaging sleeve, positioned with axle spring retaining ring
On gearbox body, end ring adjusts axial distance, and main drive gear retaining ring abuts against main drive gear both ends of the surface, sliding sleeve branch
Main drive gear is supportted, is machined with spiral grooves on sliding sleeve external cylindrical surface, main drive gear both ends of the surface are machined with groove, guarantee main biography
There are enough lubrications when relative motion under moving gear and main drive gear retaining ring working condition.
Preferably, the jackshaft shaft end is fastened on intermediate axle bed using sealing bolt, the sealing bolt axis
It to positioning jackshaft and is allowed in work stationary state, the front end of the jackshaft is equipped with intermediate hubcap, the centre
Needle bearing is respectively equipped between input gear, intermediate output gear and the jackshaft, the intermediate input gear is in
Between output gear link together and constitute intermediate gear, nylon used for positioning is equipped between two needle bearings and is kept off
Circle.When in use, it is supported using two needle bearings and is independently rotated, positioned between two needle bearings with nylon retaining ring.
Preferably, the intermediate hubcap is equipped with rectangular oil trap and deflector hole, the intermediate hubcap is in
Between collection chamber is formed between axis, the jackshaft axle center is equipped with blind hole, and offers through-hole and institute in radial same radial direction
It states needle bearing to communicate, concave oil trap is provided in the middle part of the intermediate gear, between the oil trap and the nylon retaining ring
Equipped with the oil duct communicated.When in use, concave oil trap is provided on intermediate gear intermediate cylinder, jackshaft shaft end is equipped with eccentric spiral shell
Hole is fastened using copper gasket and sealing bolt, plays jackshaft axially position and in work stationary state, intermediate gear
Both ends of the surface are equipped with concave oil groove, carry out axially position with check ring using axis.Jackshaft one end is mounted on intermediate axle bed, separately
One end, as supporting, which is provided with oil trap and collection chamber by intermediate hubcap.
Preferably, all opening up oilhole at the intermediate radial of the intermediate gear and axle center.When in use, jackshaft
Axle center is equipped with blind hole, and radial same radial direction is provided with through-hole and communicates with needle bearing, constitutes the oil circuit of connection.
Preferably, the output end of the hydraulic pump output shaft is located in a hydraulic pump transitions using two bearing supports
On cushion block, the hydraulic pump is connected with the hydraulic pump transition cushion block, after the hydraulic pump output shaft and hydraulic pump installation
Oil pocket is constituted in the hydraulic pump transition cushion block.When in use, hydraulic pump output shaft and jackshaft axle center distance are 59 ± 1 millis
Rice, hydraulic pump transmission mechanism and intermediate gear drive share intermediate axle bed, and hydraulic pump output shaft is using same as hydraulic pump
Interface form, one end are supported on bearing, and the other end is fixed on hydraulic pump transition cushion block, are positioned using two bearing supports,
Hydraulic pump output shaft gear is driven by intermediate output gear, output revolving speed and gearbox input speed error ± 2%.
Preferably, the hydraulic pump output shaft axle center is equipped with oilhole, on the gear of the hydraulic pump output shaft
Three oilholes of even setting, the oilhole at hydraulic pump output shaft axle center are communicated with three oilholes at gear, are preferably axis
Hold skidding.
Preferably, the reducing output shaft is used as support using two bearings, the bearing uses circlip for hole
It is located on an output bearing block, the oil sealing and dust-proof cover board for leakproof is additionally provided with outside the bearing, the power is defeated
It is successively arranged in the middle part of terminal pad out for the stop nut of locking and for locking split pin.When in use, slow down and export
Axis and jackshaft axle center distance are 88.5 ± 1 millimeters, and the deceleration output gear of deceleration output mechanism passes through the low number of teeth of intermediate gear
Gear transition transmission exports 1080 ± 50 revs/min of revolving speed, and using two bearings as support, bearing uses reducing output shaft
Circlip for hole is located on output bearing block, is taken oil sealing, cover board to carry out leakproof, dust-proof, is mounted as a whole on gearbox body
On, power output terminal pad is mounted on reducing output shaft rear end as related agricultural machinery and implement interface, is locked using stop nut, utilizes
Split pin is locking.
Preferably, the deceleration output gear is fixed on the reducing output shaft using high-strength bolt, it is described
Deceleration output gear below be equipped with additional channel, the full toothed portion of deceleration output gear immerses the additional channel.?
In use, splashing lubricating oil is splashed into additional channel, rotated by deceleration output gear, by lubricating oil splash to intermediate high and low shift
On gear, the lubrication to intermediate high and low shift gear drive is realized.
The utility model bring beneficial effect is the slow-speed of revolution output that the output of liquid collecting press pump, rotary cultivator need when working
It is integrated, different function, compact-sized, small in size, light-weight, installation convenience, operation spirit can be selected according to farming operation demand
It is living, it can be achieved that exchange on single cylinder engine, twin-tub machine, versatile.Since engaging sleeve is arranged on gearbox main shaft, pass through
Manipulation shift fork realize with the engagement of main drive gear with separate, to control the working condition of hydraulic pump or deceleration output device, grasp
Facilitate.When engaging sleeve is separated with main drive gear, gearbox main shaft only drives sliding sleeve, engaging sleeve rotation, main transmission tooth
Wheel, intermediate gear, hydraulic pump driving axle, deceleration output gear are in relative static conditions, between do not move, improve tooth
Service life is taken turns, gearbox mechanical noise is reduced.
Detailed description of the invention
Attached drawing 1 is the utility model principle and structure sectional view；
Attached drawing 2 is the utility model pinion unit three-dimensional effect diagram.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment:
As shown in Figure 1, 2, the utility model is a kind of integrated form gear box for tractor, including cabinet 1, and feature exists
In: it is equipped with driving shaft output mechanism and deceleration output mechanism in the cabinet 1, the driving shaft output mechanism includes driving shaft
8, main drive gear 9, the main drive gear 9 are arranged on the driving shaft 8, and the output end of the driving shaft 8 is arranged with can
Along driving shaft engaging sleeve 11 in axial sliding, when neutral gear the engaging sleeve 11 external splines and the main drive gear 9 interior flower
Key separation, the external splines of the engaging sleeve 11 is engaged with the internal spline of the main drive gear 9 when having grade；The driving shaft is defeated
Intermediate transmission mechanism is equipped between mechanism and deceleration output mechanism out, the intermediate transmission mechanism includes jackshaft 16, described
Jackshaft 16 be equipped with jackshaft input gear 12 and jackshaft output gear 13, the main drive gear 9 and it is described in
Between 12 external toothing of axis input gear；13 side of jackshaft output gear is equipped with the deceleration output mechanism, the other side
Equipped with hydraulic pump transmission mechanism, the hydraulic pump transmission mechanism includes hydraulic pump output shaft 23, hydraulic pump 26, and described is hydraulic
It pumps output shaft 23 and is equipped with hydraulic pump output gear, the output end of the hydraulic pump output shaft 23 is defeated with the hydraulic pump 26
Enter axis to be connected, the hydraulic pump output gear and 13 external toothing of jackshaft output gear；The deceleration output mechanism packet
Reducing output shaft 37, deceleration output gear 38 are included, the deceleration output gear 38 is mounted on the reducing output shaft 37, institute
Deceleration output gear 38 and 13 external toothing of jackshaft output gear are stated, the output shaft end of the reducing output shaft 37 is equipped with dynamic
Power exports terminal pad 29.8 output end of gearbox driving shaft of gearbox driving shaft output mechanism is using two 2 conducts of bearing in parallel
Support meets the work torsional moment requirement of shaft end main drive gear 9, sliding sleeve 6 and engaging sleeve 11, fixed with axle spring retaining ring 7
On gearbox body 1, end ring 3 adjusts axial distance for position, and main drive gear retaining ring 4,10 abuts against 9 both ends of main drive gear
Face, sliding sleeve 6 support main drive gear 9, are machined with spiral grooves on 6 external cylindrical surface of sliding sleeve, 9 both ends of the surface of main drive gear are machined with
Groove guarantees there are enough lubrications when relative motion under main drive gear 9 and main drive gear retaining ring 4,10 working conditions.Engaging sleeve
11 are located at 8 output end of gearbox driving shaft, are in synchronous working condition, block main biography using an axle spring retaining ring 5
Moving gear retaining ring 10, another axle spring retaining ring 5 is in 8 output end of gearbox driving shaft, with previous axle spring retaining ring 5
Form one section of sliding distance, engaging sleeve 11 acts on the realization of 11 fork slot inner wall of engaging sleeve by the rotation of shift fork, binding face
Axial movement, complete with the engagement of main drive gear 9 with separate.Intermediate gear 19 is driven to by main drive gear 9 to work.In
Between gear 19 be located on jackshaft 16, supported using two needle bearings 18 and independently rotated, use Buddhist nun between two needle bearings 18
Imperial retaining ring 20 positions.Concave oil trap C is provided on 19 intermediate cylinder of intermediate gear, 16 axle center of jackshaft is equipped with blind hole, radial
Same radial direction is provided with through-hole and communicates with needle bearing 18, and shaft end is equipped with eccentric screwhole, using copper gasket 15 and sealing
Bolt 14 fastens, and plays 16 axially position of jackshaft and is in work stationary state, 19 both ends of the surface of intermediate gear are equipped with concave oil
Slot carries out axially position with check ring 27 using axis.16 one end of jackshaft is mounted on intermediate axle bed 21, the other end
By intermediate hubcap 28 as supporting, oil trap A and collection chamber A1 which is provided with.Hydraulic pump transmission mechanism and intermediate gear are driven
Mechanism shares centre axle bed 21, the use of hydraulic pump output shaft 23 and the same interface form of hydraulic pump 26, and one end is supported on bearing 22
On, the other end is fixed on hydraulic pump transition cushion block 25, using two support positioning of bearing 24,23 gear of hydraulic pump output shaft
By the low number of teeth gear drive of intermediate gear 19, revolving speed and gearbox input speed error ± 2%, 23 axis of hydraulic pump output shaft are exported
The heart is equipped with oilhole, communicates with three at gear uniformly distributed oilhole B.The deceleration output gear 38 of deceleration output mechanism passes through intermediate gear
19 low number of teeth gear transition transmissions, export 1080 ± 50 revs/min of revolving speed, deceleration output gear 38 is solid using high-strength bolt 40
It is scheduled on reducing output shaft 37, lower section is equipped with additional channel 39.Reducing output shaft 37 is using two bearings 36 as support, bearing
It is located on output bearing block 34 using circlip for hole 35, oil sealing 33, cover board 32 is taken to carry out leakproof, dust-proof, whole peace
Loaded on gearbox body 1, power output terminal pad 29 is mounted on 37 rear end of reducing output shaft as related agricultural machinery and implement interface, uses
Stop nut 30 is locked, locking using split pin 31.
The integrated form gear box for tractor sliding axially in 8 output end of gearbox driving shaft using engaging sleeve 11, it is real
Liquid is now completed by 19 transmission fluid press pump output shaft 23 of intermediate gear, deceleration output gear 38 with the engagement of main drive gear 9
The normal work of press pump, agricultural machinery and implement.Entire operating mechanism is located in gearbox body 1, and the apparatus structure made is compact, and volume subtracts
Small, opposite vehicle turning radius reduces, and adapts to farmland and booth work.Intermediate gear drive, hydraulic pump transmission mechanism and
Deceleration output mechanism takes general assembly form, and installation is simple, easy to maintenance.
Claims (9)
1. a kind of integrated form gear box for tractor, including cabinet, it is characterised in that: be equipped with driving shaft in the cabinet and export machine
Structure and deceleration output mechanism, the driving shaft output mechanism include driving shaft, main drive gear, the main drive gear setting
On the driving shaft, the output end of the driving shaft be arranged with can along driving shaft engaging sleeve in axial sliding, when neutral gear described in
The external splines of engaging sleeve is separated with the internal spline of the main drive gear, the external splines of the engaging sleeve and the main biography when having grade
The internal spline of moving gear engages；Intermediate transmission mechanism, institute are equipped between the driving shaft output mechanism and deceleration output mechanism
The intermediate transmission mechanism stated includes jackshaft, and the jackshaft is equipped with jackshaft input gear and jackshaft output gear, institute
The main drive gear stated and the jackshaft input gear external toothing；The jackshaft output gear side is equipped with described
Deceleration output mechanism, the other side are equipped with hydraulic pump transmission mechanism, and the hydraulic pump transmission mechanism includes hydraulic pump output shaft, liquid
Press pump, the hydraulic pump output shaft be equipped with hydraulic pump output gear, the output end of the hydraulic pump output shaft with it is described
The input shaft of hydraulic pump is connected, the hydraulic pump output gear and the jackshaft output gear external toothing；The deceleration is defeated
Mechanism includes reducing output shaft, deceleration output gear out, and the deceleration output gear is mounted on the reducing output shaft, institute
Deceleration output gear and the jackshaft output gear external toothing are stated, the output shaft end of the reducing output shaft is equipped with power output
Terminal pad.
2. a kind of integrated form gear box for tractor according to claim 1, it is characterised in that: the driving shaft with it is described
Sliding sleeve is equipped between main drive gear, the driving shaft output end uses two Parallel Axis to make for support, and uses axle spring
Retaining ring is located on cabinet, is respectively equipped with main drive gear retaining ring against the both ends of the surface of the main drive gear, the sliding sleeve
Spiral grooves are machined on external cylindrical surface, the main drive gear both ends of the surface process guaranteed main drive gear and main drive gear
There is the groove of enough lubrications under retaining ring working condition when relative motion.
3. a kind of integrated form gear box for tractor according to claim 1, it is characterised in that: the jackshaft shaft end
It is fastened on intermediate axle bed, the sealing bolt axially position jackshaft and is allowed in the static shape of work using sealing bolt
State, the front end of the jackshaft are equipped with intermediate hubcap, the jackshaft input gear, jackshaft output gear and it is described in
Between be respectively equipped with needle bearing between axis, the jackshaft input gear and jackshaft output gear link together in composition
Between gear, nylon retaining ring used for positioning is equipped between two needle bearings.
4. a kind of integrated form gear box for tractor according to claim 3, it is characterised in that: the intermediate hubcap
It is equipped with rectangular oil trap and deflector hole, forms collection chamber, the jackshaft axle center between the intermediate hubcap and jackshaft
Equipped with blind hole, and through-hole is offered in radial same radial direction and is communicated with the needle bearing, the middle part of the intermediate gear
It is provided with concave oil trap, the oil duct communicated is equipped between the oil trap and the nylon retaining ring.
5. a kind of integrated form gear box for tractor according to claim 4, it is characterised in that: the intermediate gear
Intermediate radial and axle center at all open up oilhole.
6. a kind of integrated form gear box for tractor according to claim 1, it is characterised in that: the hydraulic pump output shaft
Output end be located on a hydraulic pump transition cushion block using two bearing supports, the hydraulic pump and the hydraulic pump transitions
Cushion block is connected, and constitutes oil pocket in the hydraulic pump transition cushion block after the hydraulic pump output shaft and hydraulic pump installation.
7. a kind of integrated form gear box for tractor according to claim 1 or 6, it is characterised in that: the hydraulic pump
Output shaft axle center is equipped with oilhole, and three oilholes, the hydraulic pump output are uniformly arranged on the gear of the hydraulic pump output shaft
Oilhole at axis axle center is communicated with three oilholes at gear.
8. a kind of integrated form gear box for tractor according to claim 1, it is characterised in that: the reducing output shaft
Using two bearings as support, the bearing is located on an output bearing block using circlip for hole, the bearing
It is additionally provided with the oil sealing and dust-proof cover board for leakproof outside, is successively arranged in the middle part of the power output terminal pad for locking
Stop nut and for locking split pin.
9. a kind of integrated form gear box for tractor according to claim 1 or 8, it is characterised in that: the deceleration is defeated
Gear is fixed on the reducing output shaft using high-strength bolt out, and auxiliary oil is equipped with below the deceleration output gear
Slot, the full toothed portion of deceleration output gear immerse the additional channel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821024786.0U CN208997287U (en) | 2018-06-29 | 2018-06-29 | A kind of integrated form gear box for tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821024786.0U CN208997287U (en) | 2018-06-29 | 2018-06-29 | A kind of integrated form gear box for tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208997287U true CN208997287U (en) | 2019-06-18 |
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ID=66797329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821024786.0U Active CN208997287U (en) | 2018-06-29 | 2018-06-29 | A kind of integrated form gear box for tractor |
Country Status (1)
| Country | Link |
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| CN (1) | CN208997287U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645324A (en) * | 2019-10-22 | 2020-01-03 | 江苏沃得农业机械有限公司 | Transmission structure of power output shaft of gearbox of wheeled tractor |
| CN112498077A (en) * | 2020-09-30 | 2021-03-16 | 西门子电动汽车动力总成系统(上海)有限公司 | Electric drive assembly system and vehicle |
-
2018
- 2018-06-29 CN CN201821024786.0U patent/CN208997287U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110645324A (en) * | 2019-10-22 | 2020-01-03 | 江苏沃得农业机械有限公司 | Transmission structure of power output shaft of gearbox of wheeled tractor |
| CN110645324B (en) * | 2019-10-22 | 2023-12-05 | 江苏沃得农业机械有限公司 | Transmission structure of power output shaft of gear box of wheeled tractor |
| CN112498077A (en) * | 2020-09-30 | 2021-03-16 | 西门子电动汽车动力总成系统(上海)有限公司 | Electric drive assembly system and vehicle |
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