CN209492339U - A kind of paddy field tractor front driving axle - Google Patents
A kind of paddy field tractor front driving axle Download PDFInfo
- Publication number
- CN209492339U CN209492339U CN201920006070.6U CN201920006070U CN209492339U CN 209492339 U CN209492339 U CN 209492339U CN 201920006070 U CN201920006070 U CN 201920006070U CN 209492339 U CN209492339 U CN 209492339U
- Authority
- CN
- China
- Prior art keywords
- driving axle
- main drive
- drive gear
- axle housing
- paddy field
- 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
- 238000007789 sealing Methods 0.000 claims description 23
- 238000003754 machining Methods 0.000 abstract description 4
- 238000009434 installation Methods 0.000 abstract description 3
- 230000007246 mechanism Effects 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
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Abstract
The utility model discloses a kind of paddy field tractor front driving axles, including Driving axle housing, the differential assembly being mounted in driving axle housing body, main drive gear and driven gear, main drive gear is meshed with driven gear, differential assembly includes differential casing, the wheel hub sleeve of driven gear is fixedly connected on differential casing and with differential casing, differential casing and Driving axle housing are rotatablely connected, and main drive gear rotation drives differential casing to rotate in driving axle housing body along the axis of driven gear.A kind of paddy field tractor front driving axle disclosed by the utility model, the differential mechanism positioning in front driving axle is simple, easy for installation；Driving axle housing requirement on machining accuracy is low, meanwhile, good airproof performance at Driving axle housing and main shaft, not easy oil leakage.
Description
Technical field
The utility model relates to drive axle technical fields, in particular to a kind of paddy field tractor front driving axle.
Background technique
As shown in Figure 2, the front driving axle of the paddy field tractor of traditional technology, main drive gear 5 are nibbled with 6 phase of driven gear
It closes, driven gear 6 is mounted on axle shaft gear 7, and support axle shaft gear 7 is provided between axle shaft gear 7 and Driving axle housing 8 and is rotated
A pair of bearings 9, support 10 and FE Tiler 10A are set between bearing 9 and Driving axle housing 8, the part for positioning, being related to are held to axis 9
More, the installation of differential assembly is more troublesome, simultaneously as support 10 and FE Tiler 10A are connected to the interior of Driving axle housing 8
Portion, it is high to the requirement on machining accuracy of Driving axle housing 8, and Driving axle housing volume is larger, rejection rate is higher；Meanwhile drive axle
Between shell 8 and main drive gear axis 51, it is easy oil leak.
Utility model content
The utility model is intended to solve above-mentioned technical problem to a certain extent.
In view of this, the present invention provides a kind of paddy field tractor front driving axle, front driving axle differential mechanism positioning
Simply, low to Driving axle housing requirement on machining accuracy.
In order to solve the above-mentioned technical problem, the utility model provides a kind of paddy field tractor front driving axle, comprising: driving
Axle housing, and the main drive gear, driven gear and the differential assembly that are mounted in the driving axle housing body, feature exist
In the main drive gear is meshed with the driven gear, and the differential assembly includes differential casing, the passive tooth
The wheel hub sleeve of wheel is fixedly connected on the differential casing and with the differential casing, the differential casing and the drive
Dynamic axle housing rotation connection, the main drive gear rotation drive the differential casing in the driving axle housing body along described
The axis of driven gear rotates.
It further, further include that the left bearing that the differential casing revolution is used to support in the driving axle housing body is set
And right bearing, the left bearing are socketed on the differential casing, and the left bearing is positioned using collar and the shaft shoulder, institute
Right bearing is stated to be socketed on the wheel hub of the driven gear, the two sides of the right bearing respectively with the driven gear and the difference
Fast device shell offsets.
Further, the both ends of the differential casing are recessed to form left bearing portion and right mounting portion, the left axle bearing portion peace
It is described to have right mounting portion that the driven gear is installed equipped with the left bearing.
Further, there is screw thread, the collar and the Driving axle housing spiral shell in the Driving axle housing and the collar
Line connection, and the collar and the outer ring of the left bearing offset.
Further, the wheel hub of the driven gear is connect with the differential casing spline.
Further, the main drive gear and the driven gear are bevel gear.
Further, there are two for branch for setting between the main drive gear axis and the Driving axle housing of the main drive gear
The spaced bearing of the main drive gear axis revolution is supportted, two bearings are installed face-to-face.
Further, the Driving axle housing is laterally away from the main drive gear side from close to the main drive gear one
It is disposed with thef first bearing section, second bearing portion and the sealing for installing oil sealing, the diameter ratio of the thef first bearing section
The diameter in second bearing portion is big.
Further, the main drive gear axis installs being provided with along the main drive gear of one end of the main drive gear
The blind hole of axis axial direction, position corresponding with the sealing of the Driving axle housing is opened on the main drive gear axis outer circumference surface
Equipped with unthreaded hole, the unthreaded hole is connected with the blind hole.
Further, main drive gear axis part corresponding with the sealing offers the cone for installing sealing ring
Shape annular groove, the taper annular groove are located at the outside of the unthreaded hole, and the cone angle of the taper annular groove is 45 °.
The utility model has the technical effect that a kind of paddy field tractor front driving axle disclosed by the utility model, main biography
Moving gear is meshed with driven gear, and driven gear is fixed on differential casing, and the right bearing on differential casing is by passive
Gear and differential casing positioning, position compared to traditional support and FE Tiler, low to the required precision of Driving axle housing, use zero
Part is few；A kind of paddy field tractor front driving axle disclosed by the utility model, two concave ends of differential casing form left axle bearing portion
With right mounting portion, driven gear, the small volume of Driving axle housing are installed on right mounting portion；In addition, disclosed by the utility model
A kind of paddy field tractor front driving axle, the end face of main drive gear axis are provided with the channel of connection driving axle housing sealing, can incite somebody to action
The extra lubricating oil of driving axle housing sealing is stored into channel, or the inside of Driving axle housing is transferred to by channel, is reduced
Sealing oil leak.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of paddy field tractor front driving axle according to the present utility model；
Fig. 2 is the structural schematic diagram according to a kind of paddy field tractor front driving axle of traditional technology.
Wherein, 1- Driving axle housing；11- left bearing；12- right bearing；13- thef first bearing section；14- second bearing portion；15-
Sealing；16- collar；2- differential assembly；21- differential casing；211- left axle bearing portion；The right mounting portion of 212-；3- main transmission
Gear；30- main drive gear axis；31- blind hole；32- unthreaded hole；33- taper annular groove；4- driven gear；41- wheel hub；5- driving tooth
Wheel；51- main drive gear axis；6- driven gear；7- axle shaft gear；8- Driving axle housing；9- bearing；10- support；10A- watts
Lid.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model can be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Specific embodiment according to the present utility model, as shown in Figure 1, before a kind of paddy field tractor provided by the utility model
Drive axle, including Driving axle housing 1, the differential assembly being mounted in driving axle housing body 2, main drive gear 3 and driven gear
4, main drive gear 3 is meshed with driven gear 4, and differential assembly 2 includes differential casing 21, the wheel hub 41 of driven gear 4
It covers on differential casing 21 and is fixedly connected with differential casing 21, specifically, the wheel hub 41 and differential carrier of driven gear 4
Body 21 is connected using spline, and smaller to the strength reduction of wheel hub 41 and differential casing 21, the torque of transmitting is larger；Differential carrier
Body 21 and Driving axle housing 1 are rotatablely connected, and differential casing 21 is provided with a pair of of axle shaft gear, are equipped with and are turned between a pair of of axle shaft gear
The dynamic planetary gear being connected on differential casing 21, the rotation of main drive gear 3 drive differential casing 21 in Driving axle housing 1
The interior axis along driven gear 4 rotates, and the rotation of differential casing 21 drives planetary gear rotation, then is passed torque by planetary gear
It is delivered on axle shaft gear, completes transmission.
As shown in Figure 1, a kind of paddy field tractor front driving axle provided by the utility model further includes being arranged in driving axle housing
The left bearing 11 and right bearing 12 of the revolution of differential casing 21 are used to support in body 1, left bearing 11 is socketed in differential casing 21
On, and left bearing 11 is positioned using collar and the shaft shoulder 16, and specifically, Driving axle housing 1 has internal screw thread, collar and drive axle
Shell 1 is threadedly coupled, and collar 16 and the outer ring of left bearing 11 offset, and the shaft shoulder is arranged on differential casing 21.Right bearing
12 are socketed on the wheel hub 41 of driven gear 4, and the two sides of right bearing 12 offset with driven gear 4 and differential casing 21 respectively.
Compared to traditional bearing shell and support by being connected on Driving axle housing 1, reduces the part used, improve packaging efficiency；
Meanwhile the machining accuracy of differential casing 21 is reduced, improve the yield rate of differential casing 21.In addition, differential casing
21 both ends are recessed to form left bearing portion 211 and right mounting portion 212, and left axle bearing portion 211 is equipped with left bearing 11, right mounting portion
212 are equipped with driven gear 4, and the structure of 21 liang of concave ends of differential casing reduces the volume of Driving axle housing 1.
In the present embodiment, main drive gear 3 and driven gear 4 are bevel gear, and the torque of transmitting is big, small in size.
As shown in Figure 1, in the present embodiment, it is arranged between the main drive gear axis 30 and Driving axle housing 1 of main drive gear 3
There are two the spaced bearing for being used to support the revolution of main drive gear axis 30, two bearings are installed face-to-face.Driving axle housing
Body 1 is laterally away from 3 side of main drive gear from close main drive gear 3 and is disposed with thef first bearing section 13, second bearing
Portion 14 and sealing 15 for installing oil sealing, the diameter of thef first bearing section 13 is bigger than the diameter in second bearing portion 14, two axis
Hold it is not of uniform size, can under the premise of meeting requirement, reduce Driving axle housing 1 volume and quality.
As shown in Figure 1, a kind of paddy field tractor front driving axle provided by the utility model, the installation master of main drive gear axis 30
One end of transmission gear 3 is provided with the blind hole 31 axial along main drive gear axis 30, on 30 outer circumference surface of main drive gear axis with
The corresponding position of sealing 15 of Driving axle housing 1 offers unthreaded hole 32, and unthreaded hole 32 is connected with blind hole 31, which can incite somebody to action
The sealing 15 and the extra lubricating oil of main drive gear axis 30 of Driving axle housing 1 are stored in channel, can also be by lubricating oil
Import the inside of Driving axle housing 1.Take full advantage of lubricating oil；In addition the channel also reduces the matter of main drive gear axis 30
Amount, meanwhile, the presence in the duct is also conducive to the heat dissipation of main drive gear axis 30.
As shown in Figure 1, a kind of paddy field tractor front driving axle provided by the utility model, main drive gear axis 30 and sealing
The corresponding part in portion 15 offers the taper annular groove 33 for installing sealing ring, and the cone angle of taper annular groove 33 is 45 °, taper annular groove
33 and sealing ring non-fully contact, at work, sealing ring expanded by heating, sealing effect is more preferable, can effectively reduce oil leak.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (10)
1. a kind of paddy field tractor front driving axle, comprising: Driving axle housing, and the main biography being mounted in the driving axle housing body
Moving gear, driven gear and differential assembly, which is characterized in that the main drive gear is meshed with the driven gear, institute
Stating differential assembly includes differential casing, the wheel hub sleeve of the driven gear on the differential casing and with the differential
Device shell is fixedly connected, and the differential casing and the Driving axle housing are rotatablely connected, and the main drive gear rotation drives
The differential casing rotates in the driving axle housing body along the axis of the driven gear.
2. a kind of paddy field tractor front driving axle according to claim 1, which is characterized in that further include being arranged in the drive
The left bearing and right bearing of the differential casing revolution are used to support in dynamic axle housing, the left bearing is socketed in the differential
On device shell, and the left bearing is positioned using collar and the shaft shoulder, and the right bearing is socketed in the wheel hub of the driven gear
On, the two sides of the right bearing offset with the driven gear and the differential casing respectively.
3. a kind of paddy field tractor front driving axle according to claim 2, which is characterized in that the two of the differential casing
Concave end forms left axle bearing portion and right mounting portion, the left axle bearing portion are equipped with the left bearing, and the right mounting portion is equipped with
The driven gear.
4. a kind of paddy field tractor front driving axle according to claim 2, which is characterized in that the Driving axle housing and institute
Stating has screw thread in collar, the collar is threadedly coupled with the Driving axle housing, and the collar and the left bearing
Outer ring offsets.
5. a kind of paddy field tractor front driving axle according to claim 1, which is characterized in that the wheel hub of the driven gear
It is connect with the differential casing spline.
6. a kind of paddy field tractor front driving axle according to claim 1, which is characterized in that the main drive gear and institute
Stating driven gear is bevel gear.
7. a kind of paddy field tractor front driving axle according to claim 1, which is characterized in that the master of the main drive gear
The interval setting of the main drive gear axis revolution is used to support there are two being arranged between driving gearshaft and the Driving axle housing
Bearing, two bearings install face-to-face.
8. a kind of paddy field tractor front driving axle according to claim 7, which is characterized in that the Driving axle housing is from leaning on
The nearly main drive gear one be laterally away from the main drive gear side be disposed with thef first bearing section, second bearing portion and
For installing the sealing of oil sealing, the diameter of the thef first bearing section is bigger than the diameter in second bearing portion.
9. a kind of paddy field tractor front driving axle according to claim 8, which is characterized in that the main drive gear axis peace
Fill the blind hole along the main drive gear axis axial direction that is provided with of one end of the main drive gear, the main drive gear axis outer circle
Position corresponding with the sealing of the Driving axle housing offers unthreaded hole on circumferential surface, and the unthreaded hole is connected with the blind hole
It is logical.
10. a kind of paddy field tractor front driving axle according to claim 9, which is characterized in that the main drive gear axis
Part corresponding with the sealing offers the taper annular groove for installing sealing ring, and the taper annular groove is located at the unthreaded hole
Outside, the cone angle of the taper annular groove is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006070.6U CN209492339U (en) | 2019-01-02 | 2019-01-02 | A kind of paddy field tractor front driving axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920006070.6U CN209492339U (en) | 2019-01-02 | 2019-01-02 | A kind of paddy field tractor front driving axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209492339U true CN209492339U (en) | 2019-10-15 |
Family
ID=68155013
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920006070.6U Expired - Fee Related CN209492339U (en) | 2019-01-02 | 2019-01-02 | A kind of paddy field tractor front driving axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209492339U (en) |
-
2019
- 2019-01-02 CN CN201920006070.6U patent/CN209492339U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191015 |