HYDRAULIC MOTOR DRIVEN RACK AND PINION STEERING ASSEMBLY

摘要

A rack and pinion steering apparatus for a heavy-duty vehicle includes a housing, a gear rack slidably coupled to the housing and including a plurality of rack gear teeth, and a pinion gear including a plurality of pinion gear teeth in meshing engagement with the plurality of rack gear teeth. The apparatus also includes a hydraulic motor including an output shaft coupled to and configured to rotate the pinion gear and a limiter coupled to the housing and configured to reduce an output steering force of the gear rack.

主权项

1. A rack and pinion steering apparatus for a heavy-duty vehicle, comprising:
a housing; a gear rack slidably coupled to the housing and comprising a plurality of rack gear teeth, wherein the gear rack is moveable between a first lateral position and a second lateral position; a pinion gear comprising a plurality of pinion gear teeth in meshing engagement with the plurality of rack gear teeth; a hydraulic motor comprising an output shaft coupled to and configured to rotate the pinion gear; and a limiter coupled to the housing and configured to reduce an output steering force of the gear rack, wherein the limiter comprises a stop block releasably coupled to the gear rack with a fastener, and wherein the gear rack defines a slot configured to receive the stop block.