CN204004281U - Planetary gear type vehicle interaxial differential - Google Patents
Planetary gear type vehicle interaxial differential Download PDFInfo
- Publication number
- CN204004281U CN204004281U CN201420415143.4U CN201420415143U CN204004281U CN 204004281 U CN204004281 U CN 204004281U CN 201420415143 U CN201420415143 U CN 201420415143U CN 204004281 U CN204004281 U CN 204004281U
- Authority
- CN
- China
- Prior art keywords
- planet
- forerunner
- mechanical axis
- driving mechanical
- wheel
- 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
Landscapes
- Retarders (AREA)
Abstract
Planetary gear type vehicle interaxial differential, in casing, be provided with driving shaft, driving shaft one end is installed in front wheel driving mechanical axis, and the other end is installed in rear driving mechanical axis, and front wheel driving mechanical axis, rear driving mechanical axis are all installed in casing, forerunner's gear is installed on front wheel driving mechanical axis; Planet is controlled support and is installed on driving shaft, and integrated sun gear is integrated on driving shaft; In addition, forerunner's planet wheel supporting component is identical with structure and the mounting type of rear-guard planet wheel supporting component, forerunner's planet wheel by forerunner's planet wheel supporting component circumferentially the uniform planet that is installed on control on support, and forerunner's planet wheel is simultaneously and the inner ring gear of front wheel driving mechanical axis, the engagement of integrated sun gear.The utility model adopts the planet of planetary gear mechanism to control support and drives shaft space difference speed to realize machine power, the wheel that travels of the ransaxle non-equal proportion output problem causing not of uniform size before and after efficiently solving, be particularly suitable for wheeled tractor 4 wheel driven system, transmission efficiency is high, easy and simple to handle, be easy to drive.
Description
Technical field
The utility model relates to farm machinery transmission technology field, relates in particular to a kind of planetary gear type vehicle interaxial differential.
Background technique
The especially general purpose wheeled tractor of agri-vehicle travels in field conventionally, but because field soil quality is soft, traction is little, for increasing the driving force of tractor, conventionally adopts and strengthens driving wheel diameter, increases pattern depth, adopts the modes such as four-wheel drive.Wherein, strengthen wheel diameter and can make the steering capability of front-wheel weaken, therefore in order to improve driving force not reducing on tractor steering capability foundation discussion, tractor wheels is generally the little and trailing wheel macrostructure of front-wheel; And the degree of depth that increases tyre tread is worn and torn along with the use of tire, can not effectively solve the problem of tractor driving kinetic force; While adopting four-wheel drive, must to overcome because wheel size differs, cause the problem that front wheel rotation speed is different by design specialized gear.
Model utility content
The technical problem that the utility model solves is to provide a kind of planetary gear type vehicle interaxial differential, to solve the shortcoming in above-mentioned background technology.
The technical problem that the utility model solves realizes by the following technical solutions:
Planetary gear type vehicle interaxial differential, comprise casing, wherein, in casing, be provided with driving shaft, driving shaft one end is installed in front wheel driving mechanical axis, the other end is installed in rear driving mechanical axis, and front wheel driving mechanical axis is arranged in end cap, rear driving mechanical axis is installed in casing, forerunner's gear is installed on front wheel driving mechanical axis, and initiatively outside framework oil seal is installed in front wheel driving mechanical axis, when external impetus axle sleeve is loaded on driving shaft by spline transferring power, initiatively outside framework oil seal is set on this external impetus axle, plays the effect of dynamic rotary sealing; In casing, be provided with the rear-guard outside framework oil seal for the sealing of rear driving mechanical axis dynamic rotary, rear-guard outside framework oil seal is set on rear driving mechanical axis simultaneously, and planet is controlled support and is installed on driving shaft, and integrated sun gear is integrated on driving shaft; In addition, forerunner's planet wheel supporting component is identical with rear-guard planet wheel supporting component structure, forerunner's planet wheel is controlled on support by the circumferential uniform planet that is installed on of forerunner's planet wheel supporting component, and forerunner's planet wheel meshes with the inner ring gear of front wheel driving mechanical axis, integrated sun gear simultaneously, rear-guard planet wheel is by circumferential uniform being installed on rear driving mechanical axis of rear-guard planet wheel supporting component, and inner ring gear, the engagement of integrated sun gear of rear-guard planet wheel while and planet control support.
In the utility model, the snap ring one for axial limiting is installed in end cap.
In the utility model, forerunner's outside framework oil seal is also installed in end cap, and forerunner's outside framework oil seal is set on front wheel driving mechanical axis, for the dynamic rotary sealing of front wheel driving mechanical axis.
In the utility model, end cap is installed and is passed through end cap clamping bolt with casing cooperation and is connected fastening.
In the utility model, on front wheel driving mechanical axis, be provided with for forerunner's gear is carried out to spacing snap ring two.
In the utility model, planet is controlled support and is installed on driving shaft by sliding bearing, and sliding bearing and driving shaft transition fit.
In the utility model, forerunner's planet wheel supporting component comprises assembly sliding bearing, assembly screw, assembly back-up ring, assembly sliding bearing interference fit is installed in forerunner's planet wheel, forerunner's planet wheel is set on assembly screw and is dallied by assembly sliding bearing, assembly screw one end is installed on planet by screw threads for fastening and controls on support, the other end is set with assembly back-up ring, for the axial limiting to forerunner's planet wheel.
In the utility model, without normal vehicle operation under the effect of external motion resistance, driving shaft is externally rotated counterclockwise under the driving of power, and drives forerunner's planet wheel and rear-guard planet wheel to rotate by integrated sun gear, and under the effect that has external motion resistance, forerunner's planet wheel impels planet control support to be rotated counterclockwise trend by forerunner's planet wheel supporting component, and rear-guard planet wheel impels planet to control the support trend that turns clockwise by rear-guard planet wheel supporting component, now, rear-guard planet wheel is controlled support active force to planet is contrary to the force direction of planet control support with forerunner's planet wheel, when active force equal and opposite in direction, planet is controlled support and is kept relatively static, forerunner's planet wheel and the output of rear-guard planet wheel indifferential power, when active force differs in size, planet is controlled support and is produced relative movement, the power of one end is flowed to the other end, to realize shaft space difference speed.
The concrete motion mode of shaft space difference speed is: power drives front wheel driving mechanical axis through driving shaft input rear portion through forerunner's planet wheel, and by forerunner's gear by transmission of power to front drive axle part, another part drives rear driving mechanical axis through rear-guard planet wheel, and by the spline on rear driving mechanical axis by transmission of power to back driving axle part; When driving the angular velocity of front wheel driving mechanical axis to be greater than front wheel driving mechanical axis end outside with rated speed by forerunner's planet wheel, driving shaft travels while feeding back to the angular velocity of differential mechanism front wheel driving mechanical axis, forerunner travels and takes turns and will drive planet control support rotate by forerunner's planet wheel supporting component, and the rotation of planet control support will speed up the driving of rear-guard planet wheel to rear driving mechanical axis, be that driving shaft drives the angular velocity of rear driving mechanical axis to increase with rated speed, to increase the driving that rear-guard is travelled and taken turns; Otherwise, driving shaft drives the angular velocity of rear driving mechanical axis to be greater than rear driving mechanical axis end outside with rated speed by rear-guard planet wheel and travels while feeding back to the angular velocity of differential mechanism rear driving mechanical axis, rear-guard travels to take turns transmission of power is controlled to support to planet, the driving of the Spin-up forerunner planet wheel of planet control support to front wheel driving mechanical axis, be that driving shaft drives the angular velocity of front wheel driving mechanical axis to increase with rated speed, to increase the driving of wheel of travelling to forerunner, thereby realize forerunner's travel motivational drive between centers differential of wheel of wheel and rear-guard that travels.
Beneficial effect: the utility model adopts the planet of planetary gear mechanism to control support and drives differential to realize machine power, the wheel that travels of the ransaxle non-equal proportion output problem causing not of uniform size before and after efficiently solving, both improved the stability of Vehicle Driving Cycle, and transmission efficiency is high, applicability is strong, easy and simple to handle, be easy to drive.
Accompanying drawing explanation
Fig. 1 is the structural representation of preferred embodiment of the present utility model.
Fig. 2 is the left view of Fig. 1.
Fig. 3 is the right elevation of Fig. 1.
Fig. 4 is forerunner's planet wheel supporting component structural representation in preferred embodiment of the present utility model.
Fig. 5 is the concrete use schematic diagram of preferred embodiment of the present utility model.
Embodiment
For technological means, creation characteristic that the utility model is realized, reach object and effect is easy to understand, below in conjunction with concrete diagram, further set forth the utility model.
Planetary gear type vehicle interaxial differential referring to Fig. 1～Fig. 4, comprise forerunner's planet wheel supporting component 1, end cap clamping bolt 2, end cap 3, snap ring 1, forerunner's outside framework oil seal 5, forerunner's gear 6, snap ring 27, active outside framework oil seal 8, driving shaft 9, front wheel driving mechanical axis 10, bearing 1, bearing 2 12, planet is controlled support 13, rear-guard planet wheel 14, rear-guard planet wheel supporting component 15, bearing 3 16, bearing 4 17, rear driving mechanical axis 18, rear-guard outside framework oil seal 19, casing 20, snap ring 3 21, sliding bearing 22, forerunner's planet wheel 23, integrated sun gear 24, assembly sliding bearing 1-1, assembly screw 1-2, assembly back-up ring 1-3.
In the present embodiment, driving shaft 9 one end are installed in front wheel driving mechanical axis 10 by bearing 2 12, the other end is installed in rear driving mechanical axis 18 by bearing 3 16, front wheel driving mechanical axis 10 is installed in end cap 3 by bearing 1, rear driving mechanical axis 18 is installed in casing 20 by bearing 4 17, end cap 3 is installed and is passed through end cap clamping bolt 2 with casing 20 cooperations and is connected fastening, snap ring 1 is installed in end cap 3, snap ring 3 21 is installed in casing 20, snap ring 1 is respectively used to axial limiting with snap ring 3 21, forerunner's outside framework oil seal 5 is installed in end cap 3, be set on front wheel driving mechanical axis 10 simultaneously, dynamic rotary sealing for front wheel driving mechanical axis 10, forerunner's gear 6 is installed on front wheel driving mechanical axis 10 also spacing by snap ring 27, initiatively outside framework oil seal 8 is installed in front wheel driving mechanical axis 10, when external impetus axle sleeve is loaded on driving shaft 9 by spline transferring power, initiatively outside framework oil seal 8 is set on this external impetus axle, play the effect of dynamic rotary sealing, rear-guard outside framework oil seal 19 is installed in casing 20, be set on rear driving mechanical axis 18 simultaneously, dynamic rotary sealing for rear driving mechanical axis 18, planet is controlled support 13 and is installed on idle running on driving shaft 9 by sliding bearing 22, sliding bearing 22 and driving shaft 9 transition fit, integrated sun gear 24 is integrated on driving shaft 9, forerunner's planet wheel 23 is controlled on support 13 by the circumferential uniform planet that is installed on of forerunner's planet wheel supporting component 1, and forerunner's planet wheel 23 simultaneously with the inner ring gear of front wheel driving mechanical axis 10, integrated sun gear 24 engagements, rear-guard planet wheel 14 is by circumferential uniform being installed on rear driving mechanical axis 18 of rear-guard planet wheel supporting component 15, and rear-guard planet wheel 14 is controlled the inner ring gear of support 13 simultaneously with planet, integrated sun gear 24 engagements.
In forerunner's planet wheel supporting component 1, assembly sliding bearing 1-1 interference fit is installed in forerunner's planet wheel 23, forerunner's planet wheel 23 is set in the upper idle running of assembly screw 1-2 by assembly sliding bearing 1-1, assembly screw 1-2 one end is installed on planet by screw threads for fastening and controls on support 13, the other end is set with assembly back-up ring 1-3, and assembly back-up ring 1-3 is for the axial limiting to forerunner's planet wheel 23; Rear-guard planet wheel supporting component 15 structures are consistent with forerunner's planet wheel supporting component 1.
The inner ring gear of front wheel driving mechanical axis 10 and the gear ratio of integrated sun gear 24 are α, and planet is controlled the inner ring gear of support 13 and the gear ratio of integrated sun gear 24 is also α; According to the drive characteristic of planetary gears, it is fixing that forerunner controls support 13 by 24 inputs of integrated sun gear by planet, and by 10 outputs of front wheel driving mechanical axis, its velocity ratio is-and α "-" expression front wheel driving mechanical axis 10 is contrary with integrated sun gear 24 rotating speeds; It is fixing that rear-guard is controlled support 13 by integrated sun gear 24 inputs through planet, and by 18 outputs of rear driving mechanical axis, its velocity ratio is 1+ α; Velocity ratio by output is different, can realize not of uniform size the causing of the wheel that travels and between axle for vehicle, driving differential; Utilize forerunner to export this characteristic contrary to rear-guard output speed, the gear ring of forerunner's planet carrier and rear-guard is connected as one and forms planet control support 13, when planet control support 13 rotates with certain speed, can play shaft space difference speed effect; Meanwhile, in order to overcome due to forerunner's output problem contrary with rear-guard output speed, by changing the transmission direction of arbitrary drive bevel gear of forerunner's differential mechanism or rear-guard differential mechanism.
Shown in Figure 5, front drive axle is consistent with back driving axle structure, and forerunner's wheel that travels is less than the rear-guard wheel that travels, and differential mechanism travels and has the velocity ratio mating while normally travelling without differential while taking turns in front drive axle and back driving axle driven, as pressed in Fig. 1 as shown in C direction, driving shaft 9 is externally rotated counterclockwise under the driving of power, by integrated sun gear 24, drive forerunner's planet wheel 23 and 14 rotations of rear-guard planet wheel, externally under the effect of running resistance, forerunner's planet wheel 23 impels planet control support 13 to be rotated counterclockwise trend by forerunner's planet wheel supporting component 1, and rear-guard planet wheel 14 rear-guard planet wheel supporting components 15 impel planet to control support 13 trend that turns clockwise, so the force direction of the active force of 14 pairs of planets control supports 13 of rear-guard planet wheel and 23 pairs of planets control supports 13 of forerunner's planet wheel is contrary, power drives front wheel driving mechanical axis 10 through driving shaft 9 input rear portions through forerunner's planet wheel 23, and by forerunner's gear 6 by transmission of power to front drive axle part, another part drives rear driving mechanical axis 18 through rear-guard planet wheel 14, and by the external splines on rear driving mechanical axis 18, transmission of power is as follows to the concrete running state of back driving axle part: suppose
It is relatively static that planet is controlled support 13, and driving shaft 9 drives the angular velocity of front wheel driving mechanical axis 10: ω by forerunner's planet wheel 23 with rated speed
1;
Now, the travel angular velocity of the front wheel driving mechanical axis 10 that feeds back to differential mechanism of front wheel driving mechanical axis 10 end outsides is: ω
2;
It is relatively static that planet is controlled support 13, and driving shaft 9 drives the angular velocity of rear driving mechanical axis 18: ω by rear-guard planet wheel 14 with rated speed
3;
Now, the travel angular velocity of the rear driving mechanical axis 18 that feeds back to differential mechanism of rear driving mechanical axis 18 end outsides is: ω
4;
When forerunner's wheel 23 that travels is subject to external influence and impels ω
2< ω
1time, forerunner's wheel 23 that travels will drive planet to control support 13 rotations by forerunner's planet wheel supporting component 1, and the rotation of planet control support 13 will speed up the driving of 14 pairs of rear driving mechanical axis 18 of rear-guard planet wheel, i.e. ω
3become large, to increase, rear-guard is travelled and takes turns 14 driving; Otherwise, when the rear-guard wheel 14 that travels is subject to external influence and impels ω
4< ω
3time, the rear-guard wheel 14 that travels is controlled support 13 by transmission of power to planet, and the rotation that planet is controlled support 13 will speed up the driving of 23 pairs of front wheel driving mechanical axis 10 of forerunner's planet wheel, i.e. ω
1become large, to increase, forerunner is travelled and takes turns 23 driving, and then motivational drive between centers differential before and after realizing.
More than show and described basic principle of the present utility model and major character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and specification, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (8)
1. planetary gear type vehicle interaxial differential, comprise casing, it is characterized in that, in casing, be provided with driving shaft, driving shaft one end is installed in front wheel driving mechanical axis, and the other end is installed in rear driving mechanical axis, and front wheel driving mechanical axis is arranged in end cap, rear driving mechanical axis is installed in casing, and forerunner's gear is installed on front wheel driving mechanical axis; Planet is controlled support and is installed on driving shaft, and integrated sun gear is integrated on driving shaft; In addition, forerunner's planet wheel supporting component is identical with rear-guard planet wheel supporting component structure, forerunner's planet wheel is controlled on support by the circumferential uniform planet that is installed on of forerunner's planet wheel supporting component, and forerunner's planet wheel meshes with the inner ring gear of front wheel driving mechanical axis, integrated sun gear simultaneously, rear-guard planet wheel is by circumferential uniform being installed on rear driving mechanical axis of rear-guard planet wheel supporting component, and inner ring gear, the engagement of integrated sun gear of rear-guard planet wheel while and planet control support.
2. planetary gear type vehicle interaxial differential according to claim 1, is characterized in that, forerunner's outside framework oil seal is also installed in end cap, and forerunner's outside framework oil seal is set on front wheel driving mechanical axis.
3. planetary gear type vehicle interaxial differential according to claim 1, is characterized in that, initiatively outside framework oil seal is installed in front wheel driving mechanical axis.
4. planetary gear type vehicle interaxial differential according to claim 1, is characterized in that, is provided with the rear-guard outside framework oil seal for the sealing of rear driving mechanical axis dynamic rotary in casing, and rear-guard outside framework oil seal is set on rear driving mechanical axis.
5. planetary gear type vehicle interaxial differential according to claim 1, is characterized in that, is provided with for forerunner's gear is carried out to spacing snap ring on front wheel driving mechanical axis.
6. planetary gear type vehicle interaxial differential according to claim 1, is characterized in that, planet is controlled support and is installed on driving shaft by sliding bearing, and sliding bearing and driving shaft transition fit.
7. planetary gear type vehicle interaxial differential according to claim 1, it is characterized in that, forerunner's planet wheel supporting component comprises assembly sliding bearing, assembly screw, assembly back-up ring, assembly sliding bearing interference fit is installed in forerunner's planet wheel, forerunner's planet wheel is set on assembly screw by assembly sliding bearing, assembly screw one end is installed on planet by screw threads for fastening and controls on support, and the other end is set with assembly back-up ring.
8. planetary gear type vehicle interaxial differential according to claim 1, is characterized in that, end cap is installed and passed through end cap clamping bolt with casing cooperation and is connected fastening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415143.4U CN204004281U (en) | 2014-07-25 | 2014-07-25 | Planetary gear type vehicle interaxial differential |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420415143.4U CN204004281U (en) | 2014-07-25 | 2014-07-25 | Planetary gear type vehicle interaxial differential |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204004281U true CN204004281U (en) | 2014-12-10 |
Family
ID=52044284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420415143.4U Expired - Fee Related CN204004281U (en) | 2014-07-25 | 2014-07-25 | Planetary gear type vehicle interaxial differential |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204004281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088982A (en) * | 2014-07-25 | 2014-10-08 | 湖南农业大学 | Planetary gear type inter-axle differential for automobile |
-
2014
- 2014-07-25 CN CN201420415143.4U patent/CN204004281U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104088982A (en) * | 2014-07-25 | 2014-10-08 | 湖南农业大学 | Planetary gear type inter-axle differential for automobile |
| CN104088982B (en) * | 2014-07-25 | 2015-04-01 | 湖南农业大学 | Planetary gear type inter-axle differential for automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204452026U (en) | A kind of electronic active spur gear diff possessing torque fixed direction allocation function | |
| CN106870682A (en) | A kind of electric differential mechanism with torque fixed direction allocation function | |
| CN104088981B (en) | Planetary-gear-type equal-ratio-output inter-axle slip-limiting differential mechanism for vehicle | |
| CN107035847A (en) | A kind of electric differential mechanism with torque fixed direction allocation function | |
| CN104088982B (en) | Planetary gear type inter-axle differential for automobile | |
| CN104088979B (en) | Planetary gear type inter-axle differential for four-wheel drive automobile | |
| CN204004281U (en) | Planetary gear type vehicle interaxial differential | |
| CN204004277U (en) | The sliding vehicle interaxial differential of planetary gear type centrifugal friction limit | |
| CN105059389B (en) | A kind of endless-track vehicle planetary gear differential transfer | |
| CN204114057U (en) | A kind of trailing wheel differential attachment based on unilateral bearing | |
| CN107061677B (en) | Electric differential with torque directional distribution function | |
| CN204004278U (en) | Planetary gear type four-wheel drive vehicle interaxial differential | |
| CN204004282U (en) | The sliding vehicle interaxial differential of planetary gear type projection limit | |
| CN204723765U (en) | A kind of perambulator is with driving wheel | |
| CN204300277U (en) | Automobile drive axle gear ratio differential mechanism anti-skid structure | |
| CN106870683A (en) | A kind of electric differential mechanism with torque fixed direction allocation function | |
| CN209616885U (en) | A kind of vehicle driving driving device of achievable wheel independent control | |
| CN104141767B (en) | Planetary-gear type centrifugal friction-slipping-limiting inter-axle differential mechanism for vehicle | |
| CN107061684B (en) | Electric differential mechanism with torque directional distribution function | |
| CN206633789U (en) | Bi-motor couples two level nutating speed change gear | |
| CN206633790U (en) | Bi-motor nutating speed change gear | |
| CN201745693U (en) | Children electric car | |
| CN205523633U (en) | Power system and vehicle with same | |
| CN104214303A (en) | Novel differential structure reduction gearbox with function of damping connection transmission | |
| CN204784555U (en) | Novel differential mechanism for forklift driving axle housing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141210 Termination date: 20150725 |
|
| EXPY | Termination of patent right or utility model |