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US 12,378,746 B2Granted
Cutting wheel assembly for a slurry wall cutter
AssigneeLiebherr-Components Biberach GmbH
InventorsRoland Widmann, Johannes Halder
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AssigneeLiebherr-Components Biberach GmbH
InventorsRoland Widmann, Johannes Halder
Estimating the term…
The present invention relates in general to slurry wall cutters for cutting slurry walls in specialist foundation engineering. The invention relates in particular to the cutting wheel assembly for such a slurry wall cutter (1), comprising a rotationally drivable cutter hub (8) and a cutting wheel (3) which can be detachably fastened to the cutter hub for conjoint rotation. According to the invention, the cutting wheel and the cutter hub are clamped against one another at the end faces thereof and are interlockingly secured to one another in order to transmit the high operating forces non-frictionally or at least not only frictionally. According to the invention, the end faces of the cutting wheel and the cutter hub that can be placed against one another are provided with lateral teeth (16, 17) which mesh with one another for conjoint rotation. The meshing pair of lateral teeth allows the cutter hub and the cutting wheel to be interlockingly held relative to one another for conjoint rotation. At the same time, the end faces lying against one another can also transmit axial forces such that the cutting wheel is untiltably held in place.
A cutting wheel assembly for a slurry wall cutter having a cutter hub and a cutting wheel that is releasably fastened to the cutter hub in a rotationally fixed manner, wherein the cutter hub is rotatingly drivable, wherein an end face of the cutter hub and an end face of the cutting wheel are placeable against one another via axial clampers, wherein the axial clampers are configured for axial tensioning of the end face of the cutting wheel and the end face of the cutter hub against one another, wherein the end face of the cutter hub and the end face of the cutting wheel have shape matched connectors that are rotationally fixedly engageable with one another, wherein the shape matched connectors comprise end toothed arrangements, and wherein the end toothed arrangements of the cutter hub and the cutting wheel each have tooth groups arranged in a circumferential direction spaced apart from one another.
Dependencies are inferred from the claim text.