Bevel gear bearing support arrangement manufacturing method

• US 6,745,471 B2
• Filed: 12/26/2001
• Issued: 06/08/2004
• Est. Priority Date: 08/10/2001
• Status: Expired due to Fees

• Current Assignee: Caterpillar Incorporated
• Original Assignee: Caterpillar Incorporated
• Inventors: Bendtsen, Randall Rey
• Primary Examiner(s): Bryant, David P.
• Assistant Examiner(s): COMPTON, ERIC B
• Application Number:
  US10/025,502
• Publication Number:
  US 20030029041A1
• Time in Patent Office: 895 Days
• Field of Search: 294/69, 298/980.7, 298/980.9, 298/931, 298/932, 298/980.6, 744/44, 744/23, 744/24, 746/06.R, 475/246, 475/230, 475/247, 384/517, 384/563
• US Class Current: 29/898.07
• CPC Class Codes: F16C 2361/61 Toothed gear systems, e.g. support of pinion shafts
• CPC Class Codes: F16C 25/06 Ball or roller bearings
• CPC Class Codes: F16H 1/14 comprising conical gears only
• CPC Class Codes: F16H 2057/02056 for utility vehicles, e.g. tractors or agricultural machines
• CPC Class Codes: F16H 2057/0221 Axial adjustment
• CPC Class Codes: F16H 2057/0235 specially adapted to allow easy accessibility and repair using repair kits F16H2057/0068
• CPC Class Codes: F16H 57/023 Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
• CPC Class Codes: F16H 57/037 Gearboxes for accommodating differential gearings rotating cases for differential gearings F16H48/40
• CPC Class Codes: F16H 57/038 Gearboxes for accommodating bevel gears F16H57/037 takes precedence
• CPC Class Codes: Y10T 29/49464 Assembling of gear into force transmitting device
• CPC Class Codes: Y10T 29/49465 Gear mounting
• CPC Class Codes: Y10T 29/49679 Anti-friction bearing or component thereof
• CPC Class Codes: Y10T 29/49696 Mounting
• CPC Class Codes: Y10T 29/497 Pre-usage process, e.g., preloading, aligning
• CPC Class Codes: Y10T 29/49904 Assembling a subassembly, then assembling with a second subassembly
• CPC Class Codes: Y10T 74/19693 Motor vehicle drive
• CPC Class Codes: Y10T 74/2186 Gear casings

Abstract

A method of manufacturing involves providing a sub-unit including a shaft and a bevel gear associated with the shaft, and also providing a first support member and a second support member. A first bearing is positioned between the sub-unit and first support member. A second bearing is positioned between the second support member and the sub-unit. The first support member is connected to the second support member. Preload on the first and second bearings is adjusted. At least the sub-unit, the first support member, the second support member, the first bearing, and the second bearing constitute an assembly capable of being installed in a housing.

Claims

1. A method of manufacturing, comprising:

providing a sub-unit including a shaft and a bevel gear associated with the shaft;

providing a first support member and a second support member;

positioning a first bearing between the sub-unit and the first support member;

positioning a second bearing between the second support member and the sub-unit;

connecting the first support member to the second support member; and

adjusting preload on the first and second bearings,

wherein at least the sub-unit, the first support member, the second support member, the first bearing, and the second bearing constitute an assembly capable of being installed in a housing.

2. The method of claim 1, wherein the first and second bearings are tapered bearings.

3. The method of claim 2, wherein each of the bearings includes a cup portion and a cone portion, wherein the positioning of the first bearing includes placing one of the cup portion and the cone portion of the first bearing in contact with the sub-unit and placing the other of the cup portion and the cone portion of the first bearing in contact with the first support member, and wherein the positioning of the second bearing includes placing one of the cup portion and the cone portion of the second bearing in contact with the sub-unit and placing the other of the cup portion and the cone portion of the second bearing unit in contact with the second support member.

4. The method of claim 3, wherein the cup portion of the first bearing is placed in contact with the first support member, wherein the cone portion of the first bearing member is placed in contact with the shaft, wherein the cup portion of the second bearing is placed in contact with the bevel gear, and wherein the cone portion of the second bearing is placed in contact with the second support member.

5. The method of claim 1, further including comprising forming the sub-unit by connecting the bevel gear to the shaft.

6. The method of claim 1, wherein the adjusting of the preload includes at least one of adding at least one shim in a position between the first and second supports members and removing at least one shim from a position between the first and second support members.

7. The method of claim 1, further including installing the assembly into a housing.

8. The method of claim 7, wherein the installing includes passing the assembly into the housing through a single opening in the housing.

9. The method of claim 8, wherein the housing is a differential housing attached to a vehicle.

10. The method of claim 7, wherein a pinion gear is provided in the housing, and wherein the method further includes placing the bevel gear in engagement with the pinion gear, and adjusting contact between the bevel gear and the pinion gear.

11. The method of claim 10, wherein the adjusting of the contact between the bevel gear and the pinion gear includes at least one of adding at least one shim in a position between the assembly and the housing and removing at least one shim from a position between the assembly and the housing.

12. The method of claim 11, wherein the adjusting of the contact between the bevel gear and the pinion gear is separate from the adjustment of the preload on the first and second bearings.

13. The method of claim 7, wherein the adjusting of the preload on the bearings occurs prior to inserting the assembly into the housing.

14. The method of claim 7, further including installing a brake in the housing.

15. The method of claim 7, wherein the installing of the assembly in the housing includes fastening the assembly and the housing together with at least one threaded fastener.

16. The method of claim 1, wherein the connecting of the first support member to the second support member includes fastening the first support member and the second support member together with at least one threaded fastener.

17. The method of claim 1, wherein the positioning of the first bearing, the positioning of the second bearing, and the adjusting occur on a bench.

18. An assembly manufactured according to the method of claim 1 wherein the assembly is configured to be installed in a housing.

19. A differential comprising:

a differential housing; and

the assembly of claim 18 installed in the housing.

20. A method of manufacturing, comprising:

providing an assembly including;

a sub-unit including a shaft and a bevel gear associated with the shaft,

a first support member,

a second support member connected to the first support member,

a first bearing between the sub-unit and first support member, and

a second bearing between the second support member and the sub-unit; and

installing the assembly into a housing, wherein the installing includes passing the assembly through a single opening in the housing.