A method and apparatus for installing a wheel arm assembly for an autonomous vehicle. The wheel arm assembly may be inserted into a base of the autonomous vehicle from the exterior of the base. A number of fasteners may be installed at the exterior of the base to attach the wheel arm assembly to the
A method and apparatus for installing a wheel arm assembly for an autonomous vehicle. The wheel arm assembly may be inserted into a base of the autonomous vehicle from the exterior of the base. A number of fasteners may be installed at the exterior of the base to attach the wheel arm assembly to the base of the autonomous vehicle.
대표청구항▼
1. An apparatus comprising: a retaining structure associated with a base of a vehicle and a wheel arm assembly coupleable to the retaining structure at an exterior of the base;wherein the retaining structure has a first channel, the wheel arm assembly comprises a retainer bushing, and the retainer b
1. An apparatus comprising: a retaining structure associated with a base of a vehicle and a wheel arm assembly coupleable to the retaining structure at an exterior of the base;wherein the retaining structure has a first channel, the wheel arm assembly comprises a retainer bushing, and the retainer bushing comprises a first end, a second end, and a second channel that extends from the first end of the retainer bushing to the second end of the retainer bushing. 2. The apparatus of claim 1, wherein the wheel arm assembly is coupleable to the retaining structure from a first end of the retaining structure located at the exterior of the base. 3. The apparatus of claim 1, wherein the wheel arm assembly is coupleable from the exterior of the base without requiring disassembly of any portion of the base. 4. The apparatus of claim 1, wherein the retaining structure comprises: a first end that faces externally with respect to the vehicle; anda second end that faces internally with respect to the vehicle. 5. The apparatus of claim 4, wherein the retaining structure has a first channel that extends from the first end to the second end and wherein the wheel arm assembly is located within the first channel when the wheel arm assembly is coupled to the retaining structure. 6. The apparatus of claim 1, wherein the retainer bushing enables coupling and decoupling of the wheel arm assembly from the exterior of the base. 7. The apparatus of claim 1, wherein the retainer bushing comprises: a flange at a first end of the retainer bushing. 8. The apparatus of claim 7, wherein the flange overlaps a first end of the retaining structure when the wheel arm assembly is coupled to the retaining structure. 9. The apparatus of claim 1, wherein the wheel arm assembly further comprises: a number of fasteners that attach the retainer bushing to the retaining structure. 10. The apparatus of claim 9, wherein the number of fasteners attach the retainer bushing to a first end of the retaining structure at the exterior of the base. 11. The apparatus of claim 1, wherein the wheel arm assembly further comprises: a sliding bushing located within a second channel of the retainer bushing, wherein the sliding bushing has a third channel. 12. The apparatus of claim 11, wherein the wheel arm assembly further comprises: a wheel arm, wherein a first portion of the wheel arm is located within the third channel of the sliding bushing and wherein a second portion of the wheel arm extends past a first end of the retainer bushing. 13. The apparatus of claim 12, wherein the wheel arm assembly further comprises: a bearing located at the first end of the retainer bushing. 14. The apparatus of claim 13, wherein the bearing contacts the retainer bushing, the sliding bushing, and the wheel arm. 15. The apparatus of claim 13, wherein the wheel arm assembly further comprises: a plate; anda set of fasteners that attach the plate to the wheel arm. 16. The apparatus of claim 15, wherein the bearing applies a first force against the first end of the retainer bushing and the plate applies a second force against a second end of the retainer bushing. 17. The apparatus of claim 16, wherein the first force and the second force substantially prevent axial motion of the wheel arm. 18. The apparatus of claim 15, wherein a greatest width of the plate is less than a smallest width of the first channel of the retaining structure such that the plate is freely movable through the first channel of the retaining structure in a direction substantially parallel to a wheel axis. 19. The apparatus of claim 15, wherein a smallest width of the plate is greater than a greatest width of the second channel of the retainer bushing such that the plate overlaps an internally-facing end of the retainer bushing such that the plate is not freely moveable within the second channel of the retainer bushing in a direction substantially parallel to a wheel axis. 20. The apparatus of claim 1, wherein the vehicle is an autonomous vehicle. 21. The apparatus of claim 1 further comprising: a hub assembly associated with a wheel arm. 22. The apparatus of claim 21 further comprising: a wheel associated with the hub assembly and the wheel arm. 23. The apparatus of claim 22, wherein the wheel is selected from one of an omnidirectional wheel, a holonomic wheel, and a mecanum wheel. 24. An apparatus comprising: a wheel arm assembly that is removably associated with a retaining structure in an autonomous vehicle at an externally-facing end of the retaining structure;wherein the wheel arm assembly further comprises a wheel arm, the retainer bushing is located around a first portion of the wheel arm, and a second portion of the wheel arm extends past a first end of the retainer bushing. 25. The apparatus of claim 24, wherein the wheel arm assembly comprises: a retainer bushing that enables the wheel arm assembly to be coupled to and decoupled from the retaining structure. 26. The apparatus of claim 24, wherein the wheel arm assembly further comprises: a sliding bushing located between the wheel arm and the retainer bushing. 27. The apparatus of claim 24, wherein the wheel arm assembly further comprises: a plate; anda set of fasteners that attach the plate to the wheel arm at a second end of the retainer bushing such that the plate at least partially overlaps the second end of the retainer bushing. 28. A method for installing a wheel arm assembly for an autonomous vehicle, the method comprising: inserting the wheel arm assembly into a base of the autonomous vehicle from an exterior of the base;installing a number of fasteners at the exterior of the base to attach the wheel arm assembly to the base of the autonomous vehicle; andassembling the wheel arm assembly, wherein assembling the wheel arm assembly comprises inserting a sliding bushing into a retainer bushing at a first end of the retainer bushing to press-fit the sliding bushing within the retainer bushing. 29. The method of claim 28, wherein inserting the wheel arm assembly comprises: inserting the wheel arm assembly into a first channel of a retaining structure associated with the base. 30. The method of claim 28, wherein the wheel arm assembly comprises: inserting the wheel arm assembly into a retaining structure in a direction from a first end of the retaining structure to a second end of the retaining structure. 31. The method of claim 28 further comprising: removing the number of fasteners to decouple a retainer bushing from a retaining structure; andremoving the wheel arm assembly from the retaining structure. 32. The method of claim 28, wherein assembling the wheel arm assembly comprises: inserting a wheel arm into the sliding bushing at the first end of the retainer bushing such that a first portion of the wheel arm is overlapped by the retainer bushing and a second portion of the wheel arm extends past the first end of the retainer bushing. 33. The method of claim 32, wherein assembling the wheel arm assembly further comprises: attaching a plate to the wheel arm at a second end of the retainer bushing using a set of fasteners such that the plate at least partially overlaps the second end of the retainer bushing. 34. The method of claim 33, wherein assembling the wheel arm assembly comprises: positioning a bearing between the wheel arm and the first end of the retainer bushing such that the bearing contacts the wheel arm, the sliding bushing, and the first end of the retainer busing.
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