CN215567866U - Compact loader transaxle hub reduction gear assembly - Google Patents
Compact loader transaxle hub reduction gear assembly Download PDFInfo
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- CN215567866U CN215567866U CN202121085336.4U CN202121085336U CN215567866U CN 215567866 U CN215567866 U CN 215567866U CN 202121085336 U CN202121085336 U CN 202121085336U CN 215567866 U CN215567866 U CN 215567866U
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Abstract
The utility model discloses a compact loader drive axle hub reduction gear assembly.A hub and a brake disc are integrally cast into a hub and brake disc assembly, which comprises a ring, a radial plate, a brake disc surface and a bearing mounting seat, wherein the ring is integrally contracted to ensure compact space, and the radial plate is inclined to ensure that the radial plate between the ring and the bearing mounting seat does not interfere with an inner gear ring in an inner cavity; a wheel edge oil seal is arranged on an inner hole of the brake disc surface, and a rectangular groove is formed in the inner hole of the brake disc surface and used for installing a check ring for a hole; the planet wheel carrier is provided with a threaded hole for installing an oil filling plug for filling and discharging oil, and is locked with a hub brake disc assembly through a bolt and sealed by a triangular groove sealing ring; the stamping type side cover welding is locked on the planet wheel carrier through a plurality of bolt holes by bolts, and an arc-shaped notch is arranged on the side cover to prevent the stamping type side cover welding from generating interference at the oil filling plug. The utility model has simple and compact structure, low manufacturing and maintenance cost and reliable operation.
Description
Technical Field
The utility model relates to the technical field of loader drive axle assemblies, in particular to a compact type loader drive axle wheel-side reducer assembly.
Background
In the prior art, a wheel-side reducer assembly of a loader drive axle adopts a structure shown in fig. 1, and mainly comprises a planet wheel carrier 1, a plane seal ring 2, an oil filling plug 3, a rim nut 4, a rim bolt 5, a hub 6, a brake disc 7, a wheel-side oil seal 8, a wheel-side inner bearing 9, a wheel-side outer bearing 10, an inner gear ring 11, a planet wheel 12, a planet wheel shaft 13, a needle roller 14, a planet wheel gasket 15, a sun wheel 16, an anti-rotation nut 17, a gasket 18, a gasket 19, an oil drain plug 20 and a casting type side cover 21, wherein the planet wheel carrier 1 and the brake disc 7 are fixedly connected with the hub through bolts; the plane sealing ring 2 is positioned on the joint surface of the planet wheel carrier 1 and the hub; the cast side cover 21 is fixed on the planet wheel carrier 1 through bolt connection; an oil filling plug 3 is arranged on the side edge of the hub 6, and an oil discharging plug 20 is arranged on the casting type side cover 21. The wheel-side reducer assembly with the structure has the following defects: firstly, the hub 6 and the brake disc 7 are split and connected through bolts, so that the cost is high; secondly, the space inside the hub is not compact; thirdly, an oil filling plug 3 and an oil discharging plug 20 are arranged on the hub reduction gear assembly, the oil filling plug 3 is positioned on the side edge of the hub 6, one more process is needed in the machining of the hub 6, and the machining cost is high; fourthly, the oil drain plug 20 is positioned on the casting type side cover 21, the casting type side cover 21 is integrally cast, and the consumable material and the machining cost are high.
Disclosure of Invention
The utility model aims to overcome the defects and provide a compact loader drive axle wheel-side reducer assembly which is simple and compact in structure, low in manufacturing and maintenance cost and reliable in operation, so as to solve the problems in the prior art.
In order to achieve the purpose, the compact loader drive axle wheel reduction gear assembly comprises a planet wheel carrier 1, an oil filling plug 3, a rim nut 4, a rim bolt 5, a wheel edge oil seal 8, a wheel edge inner bearing 9, a wheel edge outer bearing 10, an inner gear ring 11, a planet wheel 12, a planet wheel shaft 13, a needle roller 14, a planet wheel gasket 15, a sun wheel 16, an anti-rotation nut 17, a gasket 18, a gasket 19, a wheel edge support shaft 22, a stamping type edge cover welding joint 23, a hub brake disc joint piece 24, a hole retainer ring 25 and a triangular groove seal ring 26; all the parts are assembled and then are arranged on the wheel edge supporting shaft 22; the hub and brake disc assembly 24 is formed by integrally casting a hub and a brake disc and comprises an annular ring 24-1, a radial plate 24-2, a brake disc surface 24-3 and a bearing mounting seat 24-4, wherein the annular ring 24-1 is of an integrally contracted type to ensure compact space, and the radial plate 24-2 is of an inclined shape to ensure that the radial plate 24-2 between the annular ring 24-1 and the bearing mounting seat 24-4 does not interfere with the inner gear ring 11 in the inner cavity; the wheel-side oil seal 8 is arranged on an inner hole of the brake disc surface 24-3, and a rectangular groove 24-5 is formed in the inner hole of the brake disc surface 24-3 and used for installing a hole check ring 25 to prevent the wheel-side oil seal 8 from falling off in the using process; the planet carrier 1 is provided with a threaded hole for installing an oil filling plug 3 for filling and discharging oil, and the planet carrier 1 is locked with a hub brake disc assembly 24 through a bolt and sealed by a triangular groove sealing ring 26; the stamped side cover welding joint 23 is locked on the planet carrier 1 through a plurality of bolt holes 23-2 which are uniformly arranged by bolts, and an arc-shaped notch 23-1 is arranged between two adjacent bolt holes 23-2 on the side cover so as to prevent the stamped side cover welding joint 23 from generating interference at the oil filling plug 3.
The stamped side cover welding seam 23 is formed by pressing a steel plate, the thickness of the steel plate is 3mm, and the number of the bolt holes 23-2 is 8.
The compact loader drive axle wheel-side reducer assembly with the structure has the following technical characteristics and beneficial effects:
1. the brake disc and the hub are integrally cast, and the space of the hub brake disc assembly is reduced, so that the weight of the hub reduction gear assembly is reduced.
2. The oil filling plug is changed to the planet carrier, and the functions of oil drainage and oil filling are achieved, so that the structure is optimized.
3. The wheel edge end cover is changed from a casting type to a 3mm steel plate stamping type, so that the weight of the material is reduced.
The compact loader drive axle wheel-side reducer assembly has the advantages that the structure is optimized, the weight of parts is reduced on the premise that the strength is not influenced, the manufacturing cost is saved, and the fuel economy of the whole loader is improved.
Drawings
FIG. 1 is a schematic view of a wheel reduction assembly of a drive axle of a loader in the prior art.
FIG. 2 is a schematic view of the compact loader transaxle hub reduction gear assembly of the present invention.
FIG. 3 is a schematic view of the construction of the hub brake rotor assembly of FIG. 1.
Fig. 4 is a schematic view of the stamped-out weld of the edge cap of fig. 1.
Reference numerals: the wheel hub comprises a planet wheel carrier 1, a plane sealing ring 2, an oil filling plug 3, a rim nut 4, a rim bolt 5, a wheel hub 6, a brake disc 7, a wheel edge oil seal 8, a wheel edge inner bearing 9, a wheel edge outer bearing 10, an inner gear ring 11, a planet wheel 12, a planet wheel shaft 13, a needle roller 14, a planet wheel gasket 15, a sun wheel 16, an anti-rotation nut 17, a gasket 18, a gasket 19, an oil drain plug 20, a cast side cover 21, a wheel edge support shaft 22, a stamped side cover welding joint 23, an arc notch 23-1, a bolt hole 23-2, a wheel hub brake disc joint piece 24, a ring 24-1, a radial plate 24-2, a brake disc surface 24-3, a bearing mounting seat 24-4, a rectangular groove 24-5, a hole retainer ring 25 and a triangular groove sealing ring 26.
Detailed Description
The compact loader transaxle wheel reduction assembly of the present invention is described in further detail below with reference to the accompanying drawings and specific embodiments.
2-4, the compact loader transaxle hub reduction gear assembly of the present invention includes a planet carrier 1, an oiling plug 3, a rim nut 4, a rim bolt 5, a hub oil seal 8, a hub inner bearing 9, a hub outer bearing 10, an inner gear ring 11, a planet gear 12, a planet gear shaft 13, a needle roller 14, a planet gear gasket 15, a sun gear 16, an anti-rotation nut 17, a gasket 18, a gasket 19, a hub support shaft 22, a stamped type side cover weld 23, a hub brake disc assembly 24, a hole retainer ring 25, and a triangular groove seal ring 26; all the parts are assembled and then are arranged on the wheel edge supporting shaft 22; the hub and brake disc assembly 24 is formed by integrally casting a hub and a brake disc and comprises an annular ring 24-1, a radial plate 24-2, a brake disc surface 24-3 and a bearing mounting seat 24-4, wherein the annular ring 24-1 is of an integrally contracted type to ensure compact space, and the radial plate 24-2 is of an inclined shape to ensure that the radial plate 24-2 between the annular ring 24-1 and the bearing mounting seat 24-4 does not interfere with the inner gear ring 11 in the inner cavity; the wheel-side oil seal 8 is arranged on an inner hole of the brake disc surface 24-3, and a rectangular groove 24-5 is formed in the inner hole of the brake disc surface 24-3 and used for installing a hole check ring 25 to prevent the wheel-side oil seal 8 from falling off in the using process; the planet carrier 1 is provided with a threaded hole for installing an oil filling plug 3 for filling and discharging oil, and the planet carrier 1 is locked with a hub brake disc assembly 24 through a bolt and sealed by a triangular groove sealing ring 26; the stamping type side cover welding joint 23 is formed by pressing a steel plate, the thickness of the steel plate is 3mm, 8 bolt holes 23-2 are uniformly formed in the steel plate and are locked on the planet carrier 1 through bolts, and an arc-shaped notch 23-1 is formed between every two adjacent bolt holes 23-2 in the side cover so as to prevent the stamping type side cover welding joint 23 from interfering at the oil filling plug 3.
As shown in FIG. 2, the compact loader transaxle wheel reduction assembly of the present invention is an improvement over the prior art wheel reduction assembly of FIG. 1 as follows:
1. the hub and the brake disc are replaced by the hub and brake disc assembly 24, the improvement reduces the machining surfaces of the hub and the brake disc, reduces the weight and saves the cost of connecting bolts;
2. a retainer ring for a hole is added at the mounting position of the wheel edge oil seal 8, so that the fault of oil leakage caused by the fact that the oil seal is separated in the using process can be prevented, and the quality of the wheel edge reducer assembly is improved;
3. the oil drain plug 20 is cancelled, the oil filling plug 3 is changed to the end face of the planet wheel carrier 1, and the oil filling plug 3 has the functions of oil drain and oil filling, so that the material cost is saved.
4. The wheel edge end cover is changed into a stamping type edge cover welding joint 23 from a casting type edge cover 21, and an arc-shaped notch 23-1 is punched on the stamping type edge cover welding joint and is used for abdicating the oil filling plug 3.
Claims (2)
1. A compact loader drive axle wheel reduction gear assembly comprises a planet wheel carrier (1), an oiling plug (3), a rim nut (4), a rim bolt (5), a wheel edge oil seal (8), a wheel edge inner bearing (9), a wheel edge outer bearing (10), an inner gear ring (11), a planet wheel (12), a planet wheel shaft (13), a rolling needle (14), a planet wheel gasket (15), a sun wheel (16), an anti-rotation nut (17), a gasket (18), a gasket (19) and a wheel edge support shaft (22), wherein the parts are assembled and then installed on the wheel edge support shaft (22); the method is characterized in that: the brake is characterized by also comprising a stamping type side cover welding part (23), a hub brake disc assembly (24), a check ring for holes (25) and a triangular groove sealing ring (26); the hub and brake disc assembly (24) is formed by integrally casting a hub and a brake disc and comprises an annular ring (24-1), a spoke plate (24-2), a brake disc surface (24-3) and a bearing mounting seat (24-4), wherein the annular ring (24-1) is of an integrally contracted type to ensure compact space, and the spoke plate (24-2) is of an inclined shape to ensure that the spoke plate (24-2) between the annular ring (24-1) and the bearing mounting seat (24-4) does not interfere with an inner gear ring (11) in an inner cavity; the wheel-side oil seal (8) is mounted on an inner hole of the brake disc surface (24-3), and a rectangular groove (24-5) is formed in the inner hole of the brake disc surface (24-3) and used for mounting a retainer ring (25) for a hole, so that the wheel-side oil seal (8) is prevented from being separated in the using process; the planetary gear carrier (1) is provided with a threaded hole for installing an oil filling plug (3) for filling and discharging oil, and the planetary gear carrier (1) is locked with a hub brake disc assembly (24) through a bolt and sealed by a triangular groove sealing ring (26); the stamping type side cover welding joint (23) is locked on the planet carrier (1) through a plurality of uniformly arranged bolt holes (23-2) by bolts, and an arc-shaped notch (23-1) is arranged between two adjacent bolt holes (23-2) on the side cover so as to prevent the stamping type side cover welding joint (23) from generating interference at the oil filling plug (3).
2. The compact loader transaxle wheel reduction gear assembly of claim 1 wherein: the stamping type side cover welding joints (23) are formed by pressing steel plates, the thickness of each steel plate is 3mm, and the number of the bolt holes (23-2) is 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085336.4U CN215567866U (en) | 2021-05-17 | 2021-05-17 | Compact loader transaxle hub reduction gear assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121085336.4U CN215567866U (en) | 2021-05-17 | 2021-05-17 | Compact loader transaxle hub reduction gear assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215567866U true CN215567866U (en) | 2022-01-18 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121085336.4U Active CN215567866U (en) | 2021-05-17 | 2021-05-17 | Compact loader transaxle hub reduction gear assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215567866U (en) |
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2021
- 2021-05-17 CN CN202121085336.4U patent/CN215567866U/en active Active
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