CN219954157U - Wheel-side speed reducer structure of loader drive axle - Google Patents
Wheel-side speed reducer structure of loader drive axle Download PDFInfo
- Publication number
- CN219954157U CN219954157U CN202321279405.4U CN202321279405U CN219954157U CN 219954157 U CN219954157 U CN 219954157U CN 202321279405 U CN202321279405 U CN 202321279405U CN 219954157 U CN219954157 U CN 219954157U
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- China
- Prior art keywords
- planetary
- wheel
- shaft
- assembled
- planetary wheel
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- 239000003638 chemical reducing agent Substances 0.000 title description 8
- 238000007789 sealing Methods 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 claims abstract description 4
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000000969 carrier Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 3
- 239000012208 gear oil Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Abstract
The utility model discloses a loader drive axle hub reduction gear structure which comprises: the rolling pin is assembled in the inner hole of the planet wheel; the planetary gear gaskets are arranged between the planetary gears and the planetary gear carriers, and two end faces of the planetary gears are respectively provided with one planetary gear; the planetary wheel shaft passes through the planetary wheel carrier and the planetary wheel and is locked on the planetary wheel carrier by a planetary wheel shaft fixing screw so as to limit radial rotation and axial movement of the planetary wheel shaft; the sealing O-shaped ring is assembled on a sealing groove arranged at a planet wheel shaft hole of the planet wheel carrier and forms a sealing effect with the planet wheel shaft; the large bearing and the small bearing are respectively assembled at two ends of the hub, and the large bearing is assembled on the inner gear ring assembly; the inner gear ring assembly is sleeved into the supporting shaft, is centered by the taper sleeve and is locked on the supporting shaft by the round nut; the planetary wheel carrier and the wheel hub are connected and fastened by bolts. The utility model has the advantages of simple and compact structure, low manufacturing cost and reliable use, and solves the problems of multiple types, poor universality and high mold development cost of the existing wheel side end cover.
Description
Technical Field
The utility model relates to the technical field of loader drive axle assemblies, in particular to a loader drive axle hub reduction gear structure.
Background
The wheel side end cover of the wheel side speed reducer structure of the wheel loader drive axle in the engineering machinery industry is generally locked on a planet wheel carrier by bolts, a planet wheel shaft is assembled on the planet wheel carrier and is radially limited, a paper gasket is adopted between the wheel side end cover and the planet wheel carrier to seal gear oil, and meanwhile, the inner side end surface of the wheel side end cover is attached to the end surface of the planet wheel shaft to limit the axial movement of the planet wheel shaft, so that the planet wheel can revolve around an inner gear ring when rotating around the planet wheel shaft, and further the rotation of the wheel side speed reducer assembly is completed. In the prior art, the wheel side end cover commonly adopts castings, and a design and development die is required, so that when the product is developed in series, the outer diameter, the thickness and the hole site connection size of the wheel side end cover are inconsistent due to the fact that the size designs of the planet wheel carrier, the planet wheel and the like are different, and the problems of multiple types, poor universality, high design and development cost and the like exist.
Disclosure of Invention
The utility model aims to solve the defects, and provides a loader drive axle hub reduction gear structure which is simple and compact in structure, low in manufacturing cost and reliable in use, and solves the problems of multiple types of existing hub end covers, poor universality and high mold development cost.
In order to achieve the purpose, the wheel edge speed reducer structure of the loader drive axle comprises a bolt 1, a planet wheel carrier 2, a sealing O-shaped ring 3, a planet wheel shaft 4, a planet wheel gasket 5, an inner gear ring assembly 6, a planet wheel 7, a planet wheel shaft fixing screw 8, a hub 9, a large bearing 10, a small bearing 11, a support shaft 12, a taper sleeve 13, a round nut 14 and a needle roller 15; the rolling needle 15 is assembled in the inner hole of the planet wheel 7; the planetary wheel gaskets 5 are arranged between the planetary wheels 7 and the planetary wheel carrier 2, and are respectively arranged on two end surfaces of the planetary wheels 7; the planetary wheel shaft 4 passes through the planetary wheel carrier 2 and the planetary wheel 7 and is locked on the planetary wheel carrier 2 by a planetary wheel shaft fixing screw 8 so as to limit the radial rotation and axial movement of the planetary wheel shaft 4; the sealing O-shaped ring 3 is assembled on a sealing groove arranged at a planet wheel shaft hole of the planet wheel carrier and forms a sealing effect with the planet wheel shaft 4; a large bearing 10 and a small bearing 11 are respectively assembled at two ends of the hub 9, and the large bearing 10 is assembled on the ring gear assembly 6; the inner gear ring assembly 6 is sleeved into the supporting shaft 12, is centered by the taper sleeve 13 and is locked on the supporting shaft 12 by the round nut 14; the planet carrier 2 and the hub 9 are connected and fastened by bolts 1.
When the structure works, the planetary wheel shaft 4 is fixed on the planetary wheel carrier 2, the radial rotation and the axial movement are limited, and meanwhile, the sealing O-shaped ring is used for sealing, so that the gear oil in the inner cavity of the planetary wheel carrier is effectively sealed, the original wheel side end cover structure is omitted, and the defects of multiple types of wheel side end covers, poor universality, high design and development cost and the like are avoided, and the development cost is greatly reduced.
According to the loader drive axle hub reduction gear structure, the sealing groove is additionally arranged at the planet wheel shaft hole of the planet wheel carrier, so that the loader drive axle hub reduction gear structure has the following technical characteristics and beneficial effects:
1. the original wheel edge end cover structure is canceled, the design and development cost is low, and the manufacturing cost is greatly reduced;
2. the structure is simple and compact, corresponding parts are easy to process, the universality is good, and the use is reliable.
Drawings
FIG. 1 is a schematic diagram of the principal cross-sectional structure of the drive axle hub reduction gear of the loader of the present utility model.
Reference numerals: the planetary gear comprises a bolt 1, a planetary gear carrier 2, a sealing O-shaped ring 3, a planetary gear shaft 4, a planetary gear gasket 5, an inner gear ring assembly 6, a planetary gear 7, a planetary gear shaft fixing screw 8, a hub 9, a large bearing 10, a small bearing 11, a supporting shaft 12, a taper sleeve 13, a round nut 14 and a needle roller 15.
Detailed Description
The structure of the wheel-side reducer of the drive axle of the loader according to the utility model is described in further detail below with reference to the accompanying drawings and the detailed description.
The utility model discloses a wheel edge speed reducer structure of a loader drive axle, which is shown in fig. 1 and comprises a bolt 1, a planet wheel carrier 2, a sealing O-shaped ring 3, a planet wheel shaft 4, a planet wheel gasket 5, an inner gear ring assembly 6, a planet wheel 7, a planet wheel shaft fixing screw 8, a wheel hub 9, a large bearing 10, a small bearing 11, a support shaft 12, a taper sleeve 13, a round nut 14 and a needle roller 15; the rolling needle 15 is assembled in the inner hole of the planet wheel 7; the planetary wheel gaskets 5 are arranged between the planetary wheels 7 and the planetary wheel carrier 2, and are respectively arranged on two end surfaces of the planetary wheels 7; the planetary wheel shaft 4 passes through the planetary wheel carrier 2 and the planetary wheel 7 and is locked on the planetary wheel carrier 2 by a planetary wheel shaft fixing screw 8 so as to limit the radial rotation and axial movement of the planetary wheel shaft 4; the sealing O-shaped ring 3 is assembled on a sealing groove arranged at a planet wheel shaft hole of the planet wheel carrier and forms a sealing effect with the planet wheel shaft 4; a large bearing 10 and a small bearing 11 are respectively assembled at two ends of the hub 9, and the large bearing 10 is assembled on the ring gear assembly 6; the inner gear ring assembly 6 is sleeved into the supporting shaft 12, is centered by the taper sleeve 13 and is locked on the supporting shaft 12 by the round nut 14; the planet carrier 2 and the hub 9 are connected and fastened by bolts 1.
According to the wheel-side speed reducer structure of the loader drive axle, the sealing groove is additionally arranged at the planet wheel shaft hole of the planet wheel carrier, so that the original wheel-side end cover structure is eliminated, the defects of multiple types of wheel-side end covers, poor generality, high mold development cost and the like in the prior art are well overcome, and the manufacturing cost is greatly reduced.
Claims (1)
1. The utility model provides a loader transaxle wheel limit reduction gear structure, it includes bolt (1), planet wheel carrier (2), planet wheel shaft (4), planet wheel gasket (5), ring gear assembly (6), planet wheel (7), wheel hub (9), big bearing (10), little bearing (11), back shaft (12), taper sleeve (13), round nut (14) and kingpin (15); the rolling needle (15) is assembled in an inner hole of the planet wheel (7); the planetary wheel gaskets (5) are arranged between the planetary wheels (7) and the planetary wheel carrier (2), and two end surfaces of the planetary wheels (7) are respectively provided with one piece; the large bearing (10) and the small bearing (11) are respectively assembled at two ends of the hub (9), and the large bearing (10) is assembled on the ring gear assembly (6); the inner gear ring assembly (6) is sleeved into the supporting shaft (12), is centered by the taper sleeve (13) and is locked on the supporting shaft (12) through the round nut (14); the planetary wheel carrier (2) and the wheel hub (9) are connected and fastened by bolts (1); the method is characterized in that: the planetary wheel shaft fixing device also comprises a sealing O-shaped ring (3) and a planetary wheel shaft fixing screw (8); the planetary wheel shaft (4) passes through the planetary wheel carrier (2) and the planetary wheel (7) and is locked on the planetary wheel carrier (2) by a planetary wheel shaft fixing screw (8) so as to limit the radial rotation and axial movement of the planetary wheel shaft (4); the sealing O-shaped ring (3) is assembled on a sealing groove arranged at a planet wheel shaft hole of the planet wheel carrier and forms a sealing effect with the planet wheel shaft (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321279405.4U CN219954157U (en) | 2023-05-25 | 2023-05-25 | Wheel-side speed reducer structure of loader drive axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321279405.4U CN219954157U (en) | 2023-05-25 | 2023-05-25 | Wheel-side speed reducer structure of loader drive axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219954157U true CN219954157U (en) | 2023-11-03 |
Family
ID=88537913
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321279405.4U Active CN219954157U (en) | 2023-05-25 | 2023-05-25 | Wheel-side speed reducer structure of loader drive axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219954157U (en) |
-
2023
- 2023-05-25 CN CN202321279405.4U patent/CN219954157U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |