US 12,467,220 B2 · Trench cutter drive with decoupled inner wheel/integrated bearing

Abstract

The invention relates to a drive device for a construction machine, in particular for a trench cutter, comprising a connection support and a wheel support, which is rotatably supported on the connection support via at least one rolling bearing and which can be rotationally driven relative to the connection support by a drive motor via at least one gear stage, wherein the gear wheel of the gear stage, the wheel being arranged within the connection support and meshing or being in rolling engagement with at least one other gear wheel, is movably and/or tiltably supported in the radial direction relative to the connection support by a flexible and/or movable bearing element so as to be rotationally fixed to the connection support and/or to a bearing shield rigidly connected thereto.

Claims21

Dependent claims

A drive device for a construction machine comprising a trench cutter, wherein the device comprises:

a connection support;
a wheel support rotatably supported on the connection support via at least one rolling bearing, and wherein the wheel support is configured to be rotationally driven relative to the connection support by a drive motor via at least one gear stage comprising a ring gear;
wherein the ring gear is arranged within the connection support, wherein the ring gear is movably and tiltably supported in a radial direction relative to the connection support by a flexible bearing element so as to be rotationally fixed to the connection support, wherein the flexible bearing element holds the ring gear rotationally fixed to the connection support and allows moving and tilting in the radial direction relative to the connection support.

Dependencies are inferred from the claim text.

Trench cutter drive with decoupled inner wheel/integrated bearing

Life of this patent

Trench cutter drive with decoupled inner wheel/integrated bearing

Life of this patent

Abstract

Claims21