CN214465992U - Rear axle of high-horsepower tractor - Google Patents
Rear axle of high-horsepower tractor Download PDFInfo
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- CN214465992U CN214465992U CN202023303329.5U CN202023303329U CN214465992U CN 214465992 U CN214465992 U CN 214465992U CN 202023303329 U CN202023303329 U CN 202023303329U CN 214465992 U CN214465992 U CN 214465992U
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- rear axle
- bevel gear
- hydraulic pump
- tractor
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Abstract
The application discloses high horse power tractor rear axle, including the rear axle housing, install power take off transmission shaft and transmission input shaft on the rear axle housing, the power take off transmission shaft is empty to be installed inside the transmission input shaft, installs the hydraulic pump transmission part directly over the rear axle housing. Has the following advantages: the power loss caused by friction of the large bevel gear and the lubricating oil is reduced, a special lubricating oil pipe is designed, the rear axle can be lubricated, the service life is prolonged, and the structural strength is high.
Description
Technical Field
The utility model belongs to the tractor field relates to tractor transmission system, especially relates to a high horse power tractor rear axle.
Background
At present, the rear axle of a domestic high-horsepower tractor is mostly of a conventional structure, lubricating oil is not circularly cooled, the cleanliness of the lubricating oil is poor, the gear abrasion is aggravated, and the problem of overheating of a brake is common.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is to above not enough, provide a high horse power tractor rear axle, reduced the power loss that the friction of big bevel gear and lubricating oil leads to, the design has dedicated lubricating oil pipe, can lubricate the rear axle, increase of service life, structural strength is high.
For solving the technical problem, the utility model discloses a following technical scheme:
a rear axle of a high-horsepower tractor comprises a rear axle housing, wherein a power output transmission shaft and a transmission system input shaft are mounted on the rear axle housing, the power output transmission shaft is mounted inside the transmission system input shaft in an empty sleeve mode, and a hydraulic pump transmission part is mounted right above the rear axle housing.
Further, a tractor lifting rocker is hinged to the rear axle shell, a lifting oil cylinder supporting seat is mounted at the rear end of the rear axle shell, a lifting oil cylinder is hinged to the upper end of the lifting oil cylinder supporting seat, and the upper end of the lifting oil cylinder is hinged to the tractor lifting rocker.
Furthermore, a small bevel gear and a large bevel gear are installed in the rear axle shell, the small bevel gear and the large bevel gear are meshed with each other, and a differential is arranged on the left side of the large bevel gear.
Furthermore, the rear axle of the high-horsepower tractor further comprises a lubricating oil pipe, the lubricating oil pipe is located above the small bevel gear and the large bevel gear, and a nozzle of the lubricating oil pipe points to the position where the small bevel gear and the large bevel gear are meshed with each other and points to the differential.
Furthermore, a large bevel gear shield is arranged below the large bevel gear and used for isolating the large bevel gear from lubricating oil.
Furthermore, the hydraulic pump transmission part comprises a pump base, and a main hydraulic pump and a lubricating hydraulic pump are mounted on the upper portion of the pump base.
Furthermore, the transmission part of the hydraulic pump also comprises a driving bevel gear, a driven bevel gear and an intermediate transmission gear, wherein the driving bevel gear is connected with an input shaft of the transmission system, and the driving bevel gear is meshed with the driven bevel gear.
Furthermore, the driven bevel gear is connected with a main hydraulic pump for driving the main hydraulic pump to supply oil to a tractor lifting system, and the intermediate transmission gear is connected with a lubricating hydraulic pump for driving the lubricating hydraulic pump to supply oil to a tractor transmission system.
Furthermore, a filter is installed at the lower end of the rear axle housing and used for filtering lubricating oil of the gearbox.
Furthermore, a flow dividing valve block is arranged at the upper end of the rear axle housing and used for distributing lubricating oil to each lubricating part.
The utility model adopts the above technical scheme, compare with prior art, have following technological effect:
1. the lifting rocker arm is hinged and mounted on the rear axle shell, so that the structural strength is high;
2. the upper part of the rear axle housing is provided with a hydraulic pump transmission part which can provide a power interface for a tractor hydraulic system and a lubricating system;
3. the large bevel gear shield is designed, so that the power loss caused by the friction between the large bevel gear and lubricating oil can be reduced;
4. the meshing position of the small bevel gear and the large bevel gear in the rear axle and the differential mechanism are provided with special lubricating oil pipes, so that the parts can be lubricated, and the service life is prolonged.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below. Throughout the drawings, like elements or portions are generally identified by like reference numerals. In the drawings, elements or portions are not necessarily drawn to scale.
Fig. 1 is a left side perspective view of a rear axle of a high horsepower tractor according to the present invention;
FIG. 2 is a right side view of a rear axle of a high horsepower tractor according to the present invention;
FIG. 3 is a right side perspective view of a rear axle of a high horsepower tractor according to the present invention;
FIG. 4 is an internal view of the transmission of the rear axle of a high horsepower tractor according to the present invention;
fig. 5 is a view of the transmission part of the hydraulic pump at the rear axle of the high horsepower tractor according to the present invention.
Detailed Description
Embodiment 1, as shown in fig. 1 to 5, a rear axle of a high-horsepower tractor includes a rear axle housing 4, a power output transmission shaft 3 and a drive train input shaft 2 are mounted on the rear axle housing 4, the power output transmission shaft 3 is mounted inside the drive train input shaft 2 in an empty manner, and a hydraulic pump transmission portion 5 is mounted directly above the rear axle housing 4.
The articulated tractor that installs on rear-axle housing 4 promotes rocking arm 6, and 4 rear ends of rear-axle housing are installed and are promoted hydro-cylinder supporting seat 8, and the articulated lifting cylinder 7 of installing in 8 upper ends of promotion hydro-cylinder supporting seat promotes the rocking arm 6 articulated installation of hydro-cylinder 7 upper end and tractor.
The filter 10 is installed to rear-axle housing 4 lower extreme for filter gearbox lubricating oil, and diverter valve piece 9 is installed to rear-axle housing 4 upper end, is used for distributing lubricating oil to each lubricated position, reaches lubricated, the purpose of cooling.
A small bevel gear 12 and a large bevel gear 13 are mounted in the rear axle housing 4, the small bevel gear 12 and the large bevel gear 13 are meshed with each other, and a differential 21 is arranged on the left side of the large bevel gear 13.
The rear axle of the high-horsepower tractor further comprises a lubricating oil pipe 20, the lubricating oil pipe 20 is located above the small bevel gear 12 and the large bevel gear 13, and a nozzle of the lubricating oil pipe 20 points to the mutual meshing position of the small bevel gear 12 and the large bevel gear 13 and points to the differential 21, so that lubricating oil can be sprayed into the meshing position to play a lubricating role.
A large bevel gear shield 11 is arranged below the large bevel gear 13, and the large bevel gear shield 11 is used for isolating the large bevel gear 13 from lubricating oil, so that power loss is reduced.
The hydraulic pump transmission part 5 comprises a pump base 14, and a main hydraulic pump 15 and a lubricating hydraulic pump 16 are mounted on the upper portion of the pump base 14.
The hydraulic pump transmission part 5 further comprises a driving bevel gear 17, a driven bevel gear 18 and an intermediate transmission gear 19, wherein the driving bevel gear 17 is connected to the transmission system input shaft 2 and can transmit engine power into the transmission system input shaft, the driving bevel gear 17 and the driven bevel gear 18 are meshed with each other, the driven bevel gear 18 is connected with a main hydraulic pump 15 and used for driving the main hydraulic pump 15 to supply oil to a tractor lifting system, and the intermediate transmission gear 19 is connected with a lubricating hydraulic pump 16 and used for driving the lubricating hydraulic pump 16 to supply oil to the tractor transmission system.
The description of the present invention has been presented for purposes of illustration and description, and is not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. A high horse power tractor rear axle which characterized in that: the power output transmission mechanism comprises a rear axle shell (4), wherein a power output transmission shaft (3) and a transmission system input shaft (2) are installed on the rear axle shell (4), the power output transmission shaft (3) is installed inside the transmission system input shaft (2) in an empty sleeved mode, and a hydraulic pump transmission part (5) is installed right above the rear axle shell (4).
2. A high horsepower tractor rear axle as recited in claim 1, wherein: the rear axle casing (4) is provided with a tractor lifting rocker arm (6) in an articulated manner, the rear end of the rear axle casing (4) is provided with a lifting oil cylinder supporting seat (8), the upper end of the lifting oil cylinder supporting seat (8) is provided with a lifting oil cylinder (7) in an articulated manner, and the upper end of the lifting oil cylinder (7) is provided with the tractor lifting rocker arm (6) in an articulated manner.
3. A high horsepower tractor rear axle as recited in claim 1, wherein: a small bevel gear (12) and a large bevel gear (13) are installed in the rear axle shell (4), the small bevel gear (12) and the large bevel gear (13) are meshed with each other, and a differential (21) is arranged on the left side of the large bevel gear (13).
4. A high horsepower tractor rear axle as recited in claim 3, wherein: the rear axle of the high-horsepower tractor further comprises a lubricating oil pipe (20), the lubricating oil pipe (20) is located above the small bevel gear (12) and the large bevel gear (13), and a nozzle of the lubricating oil pipe (20) points to the position where the small bevel gear (12) and the large bevel gear (13) are meshed with each other and points to the differential (21).
5. A high horsepower tractor rear axle as recited in claim 3, wherein: a large bevel gear shield (11) is arranged below the large bevel gear (13), and the large bevel gear shield (11) is used for isolating the large bevel gear (13) from lubricating oil.
6. A high horsepower tractor rear axle as recited in claim 1, wherein: the hydraulic pump transmission part (5) comprises a pump base (14), and a main hydraulic pump (15) and a lubricating hydraulic pump (16) are mounted on the upper portion of the pump base (14).
7. A high horsepower tractor rear axle according to claim 6, wherein: the hydraulic pump transmission part (5) further comprises a driving bevel gear (17), a driven bevel gear (18) and an intermediate transmission gear (19), the driving bevel gear (17) is connected with the transmission system input shaft (2), and the driving bevel gear (17) and the driven bevel gear (18) are meshed with each other.
8. A high horsepower tractor rear axle as recited in claim 7, wherein: the driven bevel gear (18) is connected with a main hydraulic pump (15) and used for driving the main hydraulic pump (15) to supply oil to a tractor lifting system, and the intermediate transmission gear (19) is connected with a lubricating hydraulic pump (16) and used for driving the lubricating hydraulic pump (16) to supply oil to a tractor transmission system.
9. A high horsepower tractor rear axle as recited in claim 1, wherein: and a filter (10) is arranged at the lower end of the rear axle shell (4) and is used for filtering lubricating oil of the gearbox.
10. A high horsepower tractor rear axle as recited in claim 1, wherein: and a shunt valve block (9) is arranged at the upper end of the rear axle shell (4) and used for distributing lubricating oil to each lubricating part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023303329.5U CN214465992U (en) | 2020-12-30 | 2020-12-30 | Rear axle of high-horsepower tractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023303329.5U CN214465992U (en) | 2020-12-30 | 2020-12-30 | Rear axle of high-horsepower tractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214465992U true CN214465992U (en) | 2021-10-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023303329.5U Active CN214465992U (en) | 2020-12-30 | 2020-12-30 | Rear axle of high-horsepower tractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214465992U (en) |
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2020
- 2020-12-30 CN CN202023303329.5U patent/CN214465992U/en active Active
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