CN220114398U - Tractor front axle assembly - Google Patents
Tractor front axle assembly Download PDFInfo
- Publication number
- CN220114398U CN220114398U CN202321744163.1U CN202321744163U CN220114398U CN 220114398 U CN220114398 U CN 220114398U CN 202321744163 U CN202321744163 U CN 202321744163U CN 220114398 U CN220114398 U CN 220114398U
- Authority
- CN
- China
- Prior art keywords
- reduction box
- front axle
- axle assembly
- hub
- tail end
- 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.)
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 6
- 210000001503 joint Anatomy 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 3
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Arrangement Of Transmissions (AREA)
- General Details Of Gearings (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
The utility model provides a tractor front axle assembly, includes main reduction box and sets up left semi-axis sleeve pipe and right semi-axis sleeve pipe at main reduction box both ends, and the drive shaft at the internal both ends of main reduction box extends to each end semi-axis sheathed tube drive intracavity, and drives the terminal gear wheel rotation in each end drive intracavity, and the outside of each terminal gear wheel is covered with the wheel hub fixing base. The utility model adopts a three-section connecting structure, namely a main reduction box body, a left half shaft sleeve and a right half shaft sleeve, all parts are connected by using stud bolts, the processing and assembling process of parts is simplified, the requirements of a host factory on large wheel base are met, the requirements of front axle assembly load and transmission ratio are met by optimizing transmission, particularly gear type and calculating and optimizing related parameters of the gear, finally, the driving cavity is connected with a hub general shell, and the sealing reliability is further improved on the premise of ensuring interchangeability by adopting the design of a floating oil seal.
Description
Technical Field
The utility model relates to a front axle assembly of a vehicle, in particular to a front axle assembly of a tractor.
Background
The front axle assembly of the four-wheel-drive paddy field type tractor in the current market mainly comprises a middle-small horsepower section (25-70 horsepower), meanwhile, the wheel track of the front axle assembly is generally about 1 meter, the wheel track is relatively narrow, and the defects of poor adaptability, short operation time, low operation efficiency and the like exist.
Disclosure of Invention
In order to solve the above problems, an object of the present utility model is to provide a front axle assembly of a tractor.
In order to achieve the above purpose, the technical scheme of the utility model is as follows: the utility model provides a tractor front axle assembly, includes main reduction box and sets up left semi-axis sleeve pipe and right semi-axis sleeve pipe at main reduction box both ends, and the drive shaft at the internal both ends of main reduction box extends to each end semi-axis sheathed tube drive intracavity, and drives the terminal gear wheel rotation in each end drive intracavity, and the outside of each terminal gear wheel is covered with the wheel hub fixing base.
Further, the flange plates protruding from the body are respectively arranged at the two ends of the main speed reduction box body, the flange plates are also arranged at the opposite ends of the half shaft sleeves at the ends and the main speed reduction box body, and the flange plates of the main speed reduction box body are respectively in butt joint with the flange plates of the left half shaft sleeve and the right half shaft sleeve and are fixedly connected through stud bolts.
Further, the bottom cylindrical structure of the driving cavity is sleeved with a rotatable hub general shell, a supporting rotating shaft with a fixed center of a big end gear is rotatably supported in the hub general shell, and a hub fixing seat covers an opening of the hub general shell.
Further, a tail end rotating shaft penetrates through the connecting part of the bottom cylindrical structure sleeve of the driving cavity and the hub general shell, the upper end of the tail end rotating shaft is meshed with a half shaft pinion of the driving shaft through a half shaft pinion arranged at the upper end of the tail end rotating shaft, and the tail end pinion arranged at the lower end of the tail end rotating shaft is meshed with the tail end pinion in a vertical state.
Further, the driving shaft, the end rotating shaft and the supporting rotating shaft of the end large gear are respectively sleeved with bearings for supporting.
Further, a floating oil seal is arranged between the connection part of the bottom cylindrical structure sleeve of the driving cavity and the hub general shell.
Further, a sealing ring is arranged between the hub fixing seat and the hub general shell.
Through the arrangement, the utility model adopts a three-section connecting structure, namely, a main reduction box body, a left half shaft sleeve and a right half shaft sleeve, all parts are connected by using stud bolts, the processing and assembling process of parts is simplified, the requirements of a host factory on large wheel base are met, the requirements of front axle assembly load and transmission ratio are met by optimizing transmission, particularly gear type and calculating and optimizing relevant parameters of the gear, and finally, the driving cavity is connected with a hub general shell by adopting the design of a floating oil seal, so that the sealing reliability is further improved on the premise of ensuring interchangeability.
Drawings
The utility model will now be further described with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a front view of the present utility model;
fig. 2 is a schematic top view of the present utility model.
Detailed Description
As shown in fig. 1-2, a front axle assembly of a tractor comprises a main reduction box body 1, a left half axle sleeve 2 and a right half axle sleeve 3 which are arranged at two ends of the main reduction box body 1, wherein a driving shaft 4 at two ends in the main reduction box body 1 extends into a driving cavity 5 of each end half axle sleeve and drives a tail end big gear 6 in each end driving cavity 5 to rotate, and a hub fixing seat 7 is covered outside each tail end big gear 6, specifically: the both ends of main reduction box 1 are provided with the ring flange 8 that protrudes in the body respectively, and each end semi-axis sleeve pipe is provided with ring flange 8 equally with the relative one end of main reduction box 1, and ring flange 8 of main reduction box 1 dock with ring flange 8 of left semi-axis sleeve pipe 2 and right semi-axis sleeve pipe 3 respectively to through stud 9 fixed connection.
The rotatable hub general shell 10 is sleeved on the bottom cylindrical structure of the driving cavity 5, a floating oil seal 15 is arranged between the connection part of the hub general shell 10 and the bottom cylindrical structure sleeve of the driving cavity 5, a supporting rotating shaft with the center fixed by the tail end large gear 6 is rotatably supported in the hub general shell 10, the hub fixing seat 7 covers an opening of the hub general shell 10, and a sealing ring is arranged between the hub fixing seat 7 and the hub general shell 10.
The bottom tubular structure cover of driving chamber 5 runs through with the outer cover 10 of wheel hub generic name junction there is terminal pivot 11, and the upper end of terminal pivot 11 meshes with the semi-axis pinion 13 of drive shaft 4 through the semi-axis gear 12 that sets up, and terminal pinion 14 that the lower extreme of terminal pivot 11 set up meshes with the terminal gear 6 of vertical state, and the support pivot of drive shaft 4, terminal pivot 11 and terminal gear 6 overlaps respectively has the bearing that is used for supporting to guarantee to rotate smoothly.
The working principle of the utility model is as follows: the utility model adopts a three-section connecting structure, namely a main reduction box body, a left half shaft sleeve 2 and a right half shaft sleeve 3, the parts are connected by using stud bolts, the processing and assembling process of parts is simplified, the requirements of a host factory on large wheel base are met, the requirements of front axle assembly load and transmission ratio are met by optimizing transmission, particularly gear type and calculating and optimizing related parameters of the gear, and finally, the driving cavity 5 is connected with the hub general shell 10, and the sealing reliability is further improved on the premise of ensuring interchangeability by adopting the design of floating oil seal.
The foregoing is illustrative of the present utility model and is not to be construed as limiting the scope of the utility model. Any equivalent changes and modifications can be made by those skilled in the art without departing from the spirit and principles of this utility model, and are intended to be within the scope of this utility model.
Claims (7)
1. The utility model provides a tractor front axle assembly, includes main reduction box (1) and sets up left semi-axis sleeve pipe (2) and right semi-axis sleeve pipe (3) at main reduction box (1) both ends, its characterized in that: the driving shafts (4) at the two ends in the main reduction box body (1) extend into the driving cavities (5) of the half shaft sleeves at the respective ends, and drive the end big gears (6) in the driving cavities (5) at the respective ends to rotate, and the outer parts of the end big gears (6) at the respective ends are covered with hub fixing seats (7).
2. The tractor front axle assembly of claim 1, wherein: the two ends of the main speed reduction box body (1) are respectively provided with flange plates (8) protruding from the body, one end of each end half shaft sleeve opposite to the main speed reduction box body (1) is also provided with the flange plates (8), and the flange plates (8) of the main speed reduction box body (1) are respectively in butt joint with the flange plates (8) of the left half shaft sleeve (2) and the right half shaft sleeve (3) and are fixedly connected through stud bolts (9).
3. The tractor front axle assembly of claim 1, wherein: the bottom tubular structure of the driving cavity (5) is sleeved with a rotatable hub general shell (10), a supporting rotating shaft with a fixed center of a tail end big gear (6) is rotatably supported in the hub general shell (10), and a hub fixing seat (7) covers an opening of the hub general shell (10).
4. A tractor front axle assembly as defined by claim 3 wherein: the connection part of the bottom cylindrical structure sleeve of the driving cavity (5) and the hub general shell (10) is penetrated with a tail end rotating shaft (11), the upper end of the tail end rotating shaft (11) is meshed with a half shaft pinion (13) of the driving shaft (4) through a half shaft gear (12) arranged, and a tail end pinion (14) arranged at the lower end of the tail end rotating shaft (11) is meshed with a tail end gear (6) in a vertical state.
5. The tractor front axle assembly of claim 4, wherein: the supporting rotating shafts of the driving shaft (4), the tail end rotating shaft (11) and the tail end big gear (6) are respectively sleeved with bearings for supporting.
6. The tractor front axle assembly of claim 1, wherein: a floating oil seal (15) is arranged between the connection part of the bottom cylindrical structure sleeve of the driving cavity (5) and the hub general shell (10).
7. The tractor front axle assembly of claim 1, wherein: a sealing ring is arranged between the hub fixing seat (7) and the hub general shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321744163.1U CN220114398U (en) | 2023-07-05 | 2023-07-05 | Tractor front axle assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321744163.1U CN220114398U (en) | 2023-07-05 | 2023-07-05 | Tractor front axle assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220114398U true CN220114398U (en) | 2023-12-01 |
Family
ID=88895751
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321744163.1U Active CN220114398U (en) | 2023-07-05 | 2023-07-05 | Tractor front axle assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220114398U (en) |
-
2023
- 2023-07-05 CN CN202321744163.1U patent/CN220114398U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |