CN211574215U - Main reducer shell of drive axle of loader - Google Patents
Main reducer shell of drive axle of loader Download PDFInfo
- Publication number
- CN211574215U CN211574215U CN201922366085.6U CN201922366085U CN211574215U CN 211574215 U CN211574215 U CN 211574215U CN 201922366085 U CN201922366085 U CN 201922366085U CN 211574215 U CN211574215 U CN 211574215U
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- tapered roller
- roller bearing
- outer ring
- reducer shell
- speed reducer
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Abstract
The utility model discloses a loader drive axle main reducer shell, which comprises a main reducer shell, a tapered roller bearing outer ring, a bearing spacer bush, a tapered roller bearing outer ring, a tapered roller bearing inner ring, a driving tooth, an adjusting gasket and a tapered roller bearing inner ring; the main speed reducer shell adopts a structure integrated with the bearing seat; the tapered roller bearing outer ring and the tapered roller bearing outer ring are respectively assembled on the main speed reducer shell, the tapered roller bearing inner ring is arranged on the driving tooth, the tapered roller bearing outer ring is sleeved into the main speed reducer shell from the direction of the tapered roller bearing outer ring, the bearing spacer sleeve is arranged, the adjusting gasket is arranged on the bearing spacer sleeve, and then the tapered roller bearing inner ring is arranged. The problem of among the prior art because of machining error and many times assembly error lead to two tapered roller bearing axiality of driving tooth super poor, appear tapered roller bearing clearance grow during the loader operation to cause the bearing to damage and finally lead to the inside trouble of damaging of main drive assembly is solved.
Description
Technical Field
The utility model relates to a loader transaxle final drive final reduction gear, concretely relates to loader transaxle final reduction gear shell.
Background
The working site of the wheel loader in the domestic engineering machinery industry is severe in working condition, and overload continuous operation are serious, and the operating property of the loader requires frequent forward and backward loading and unloading operation, so that the forward and backward rotation frequency of the main transmission driving tooth bearing of the drive axle is very high, and the bearing abrasion is aggravated. The driving gear bearing is generally assembled on a bearing seat by two tapered roller bearings in the prior art, the bearing seat is assembled on a main speed reducer shell, the bearing seat and the main speed reducer shell have processing errors, and the coaxiality size of the two tapered roller bearings is reduced after multiple assembling, so that when a loader continuously moves forward and backs a car, due to the fact that the coaxiality of the two tapered roller bearings is out of tolerance and the roller gap of the tapered roller bearing is continuously enlarged, the phenomenon of abrasion of the inner ring and the outer ring of a bearing roller or the bearing is caused, the damage fault of the tapered roller bearing is further caused, the internal damage fault of a main transmission assembly is finally caused, and the service life of a drive axle is shortened.
Disclosure of Invention
The utility model aims at overcoming above-mentioned defect, provide a simple structure, preparation and maintenance cost are low, use the long-lived loader transaxle final drive shell of safe and reliable to solve among the prior art because of machining error and many times assembly error lead to two tapered roller bearing axiality overproof of initiative tooth, tapered roller bearing clearance grow appears during the loader operation, thereby cause the bearing to damage and finally lead to the trouble of the inside damage of final drive assembly.
In order to achieve the purpose, the utility model discloses a loader drive axle main reducer shell comprises a main reducer shell, a tapered roller bearing first outer ring, a bearing spacer bush, a tapered roller bearing second outer ring, a tapered roller bearing second inner ring, a driving tooth, an adjusting gasket and a tapered roller bearing first inner ring; the main speed reducer shell adopts a structure integrated with the bearing seat; the tapered roller bearing outer ring and the tapered roller bearing outer ring are respectively assembled on the main speed reducer shell, the tapered roller bearing inner ring is arranged on the driving tooth, the tapered roller bearing outer ring is sleeved into the main speed reducer shell from the direction of the tapered roller bearing outer ring, the bearing spacer sleeve is arranged, the adjusting gasket is arranged on the bearing spacer sleeve, and then the tapered roller bearing inner ring is arranged.
The loader drive axle main reducer shell of above-mentioned structure has following technical characterstic and beneficial effect through the structure that adopts bearing frame and main reducer shell integration:
1. the bearing seat is designed in an integrated structure of the main speed reducer shell, the structure is simple, the processing is convenient, the assembly is efficient, and the manufacturing and maintenance cost is low;
2. the bearing seat is designed in the integrated structure of the main speed reducer shell, so that the machining precision and the assembling precision of parts can be improved, the product quality is greatly improved, and the service life of equipment is prolonged.
The utility model discloses loader transaxle final drive shell is through adopting the structure of bearing frame and the integration of final drive shell, has avoided because part machining error and assembly error arouse two tapered roller bearing axiality overproof, tapered roller bearing's roller clearance last grow, then appears roller or bearing inside and outside lane wearing and tearing phenomenon, rebuilds tapered roller bearing and damages the trouble to finally lead to the internal damage trouble of final drive assembly. Greatly improves the product quality, reduces the manufacturing and maintenance cost and prolongs the service life of the equipment.
Drawings
Fig. 1 is a schematic structural diagram of a main speed reducer casing of a drive axle of a loader according to the present invention.
Reference numerals: the device comprises a main speed reducer shell 1, a first tapered roller bearing outer ring 2, a bearing spacer 3, a second tapered roller bearing outer ring 4, a second tapered roller bearing inner ring 5, driving teeth 6, an adjusting gasket 7 and a first tapered roller bearing inner ring 8.
Detailed Description
The main speed reducer casing of the drive axle of the loader according to the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, the main reducer casing of the drive axle of the loader of the present invention comprises a main reducer casing 1, a first tapered roller bearing outer ring 2, a bearing spacer 3, a second tapered roller bearing outer ring 4, a second tapered roller bearing inner ring 5, a driving tooth 6, an adjusting shim 7 and a first tapered roller bearing inner ring 8; the main speed reducer shell 1 is of a structure integrated with a bearing seat; the first tapered roller bearing outer ring 2 and the second tapered roller bearing outer ring 4 are respectively assembled on the main speed reducer shell 1, the first tapered roller bearing inner ring 8 is installed on the driving teeth 6, the main speed reducer shell 1 is sleeved from the direction of the first tapered roller bearing outer ring 2, the bearing spacer 3 is placed, the adjusting gasket 7 is filled, and then the second tapered roller bearing inner ring 5 is installed.
The loader drive axle main speed reducer shell with the structure effectively improves the assembly precision of the two tapered roller bearings, avoids the problem that in the prior art, due to the fact that the two tapered roller bearings of the driving tooth are assembled on the bearing seat, the bearing seat is assembled on the main speed reducer shell again, the coaxiality of the two tapered roller bearings of the driving tooth is out of tolerance due to machining errors and multiple assembly errors, and the roller gap of the tapered roller bearings is continuously enlarged when the loader continuously moves forwards and backs a car, and then the phenomenon that the inner rings and the outer rings of the bearing rollers or the bearings are abraded is generated to reconstruct the damage fault of the tapered roller bearings, and finally the internal damage fault of the main transmission assembly is caused, improves the product quality, greatly reduces the damage fault of the driving tooth bearings, and improves the service life and the reliability of the drive axle.
The utility model discloses loader transaxle final drive shell is through adopting the structure of bearing frame and the integration of final drive shell, has avoided because part machining error and assembly error arouse two tapered roller bearing axiality overproof, tapered roller bearing's roller clearance last grow, then appears roller or bearing inside and outside lane wearing and tearing phenomenon, rebuilds tapered roller bearing and damages the trouble to finally lead to the internal damage trouble of final drive assembly. Greatly improves the product quality, reduces the manufacturing and maintenance cost and prolongs the service life of the equipment.
Claims (1)
1. A main speed reducer shell of a loader drive axle comprises a main speed reducer shell, a first tapered roller bearing outer ring, a bearing spacer bush, a second tapered roller bearing outer ring, a second tapered roller bearing inner ring, a driving tooth, an adjusting gasket and a first tapered roller bearing inner ring; the method is characterized in that: the main speed reducer shell adopts a structure integrated with the bearing seat; the tapered roller bearing outer ring and the tapered roller bearing outer ring are respectively assembled on the main speed reducer shell, the tapered roller bearing inner ring is arranged on the driving tooth, the tapered roller bearing outer ring is sleeved into the main speed reducer shell from the direction of the tapered roller bearing outer ring, the bearing spacer sleeve is arranged, the adjusting gasket is arranged on the bearing spacer sleeve, and then the tapered roller bearing inner ring is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922366085.6U CN211574215U (en) | 2019-12-25 | 2019-12-25 | Main reducer shell of drive axle of loader |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922366085.6U CN211574215U (en) | 2019-12-25 | 2019-12-25 | Main reducer shell of drive axle of loader |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211574215U true CN211574215U (en) | 2020-09-25 |
Family
ID=72549274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922366085.6U Active CN211574215U (en) | 2019-12-25 | 2019-12-25 | Main reducer shell of drive axle of loader |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211574215U (en) |
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2019
- 2019-12-25 CN CN201922366085.6U patent/CN211574215U/en active Active
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