The present invention relates to a running gear having a carrier plate and a first roller, a second roller and a third roller, which are arranged on the carrier plate. Simplified handling and/or increased stability of the running gear is produced if the first roller can rotate about a first rolling
The present invention relates to a running gear having a carrier plate and a first roller, a second roller and a third roller, which are arranged on the carrier plate. Simplified handling and/or increased stability of the running gear is produced if the first roller can rotate about a first rolling axis running parallel to a plane of extent of the carrier plate and the second roller can rotate about a second rolling axis running parallel to the plane of extent and the third roller can rotate about a third rolling axis running parallel to the plane of extent. The invention further relates to an arrangement having at least two such running gears, wherein at least two such running gears are connected to each other.
대표청구항▼
1. A running gear for transporting a load, having a carrier plate, which extends in a plane of extent, wherein the running gear comprises: a first roller, which can rotate about a first rolling axis running parallel to the plane of extent, on an underside of the carrier plate;a second roller, which
1. A running gear for transporting a load, having a carrier plate, which extends in a plane of extent, wherein the running gear comprises: a first roller, which can rotate about a first rolling axis running parallel to the plane of extent, on an underside of the carrier plate;a second roller, which is at a distance from the first roller and can rotate about a second rolling axis running parallel to the plane of extent, on the underside;a third roller, which is at a distance from the first roller and the second roller and can rotate about a third rolling axis running parallel to the plane of extent, on the underside;a shaft holder having two opposing walls and a bottom wall therebetween;wherein the shaft holder has at least one connecting opening, each of the at least one connecting opening being positioned on one of the two opposing walls;wherein the first roller can rotate about a first rotation axis running perpendicularly to the plane of extent on the carrier plate;wherein the second roller can rotate about a second rotation axis running perpendicularly to the plane of extent on the carrier plate; andwherein the third roller is arranged on the carrier plate in a rotationally fixed manner in relation to axes running perpendicularly to the plane of extent. 2. The running gear according to claim 1, wherein the first roller and the second roller are arranged in a front region of the carrier plate and the third roller is arranged in a rear region of the carrier plate at a distance from the front region. 3. The running gear according to claim 1, wherein the first roller and the second roller are arranged on the carrier plate between the third roller and the shaft holder. 4. A running gear for transporting a load, having a carrier plate, which extends in a plane of extent, wherein the gear comprises, a first roller, which can rotate about a first rolling axis running parallel to the plane of extent, on an underside of the carrier plate;a second roller, which is at a distance from the first roller and can rotate about a second rolling axis running parallel to the plane of extent, on the underside;a third roller, which is at a distance from the first roller and the second roller and can rotate about a third rolling axis running parallel to the plane of extent, on the underside;a shaft holder having two opposing walls and a bottom wall therebetween;wherein the shaft holder has at least one connecting opening, each of the at least one connecting opening being positioned on one of the two opposing walls;wherein the first roller can rotate about a first rotation axis running perpendicularly to the plane of extent on the carrier plate;wherein the second roller can rotate about a second axis running perpendicularly to the plane of extent on the plate;wherein the third roller is arranged on the carrier plate in a rotationally fixed manner in relation to axes running perpendicularly to the plane of extent; andwherein the shaft holder is arranged on a longitudinal centre axis of the carrier plate between the first roller and the second roller. 5. The running gear according to claim 1, wherein the third roller is arranged centrally to the longitudinal centre axis of the carrier plate. 6. The running gear according to claim 1, wherein the first roller and the second roller are configured symmetrically in relation to the longitudinal centre axis. 7. The running gear according to claim 1, wherein the running gear comprises on the upper side of the carrier plate, facing away from the rollers, a rotary table on which a load can be placed and which is arranged on the carrier plate such that it can rotate about a table rotation axis running perpendicularly to the plane of extent. 8. The running gear according to claim 1, wherein: the first roller is mounted on a first roller carrier such that it can rotate about the first rolling axis, wherein the first roller carrier is mounted on the carrier plate such that it can rotate about the first rotation axis, and/orthe second roller is mounted on a second roller carrier such that it can rotate about the second rolling axis, wherein the second roller carrier is mounted on the carrier plate such that it can rotate about the second rotation axis. 9. The running gear according to claim 8, wherein a connecting straight line which perpendicularly intersects the first rotation axis and the second rotation axis runs substantially parallel to the third rolling axis. 10. The running gear according to claim 7, wherein the table rotation axis of the rotary table is arranged centrally between the third rolling axis and an axis straight line comprising the first rolling axis and the second rolling axis during forward travel in the case of parallel arrangement of the first rolling axis, the second rolling axis and the third rolling axis. 11. The running gear according to claim 7, wherein the table rotation axis intersects the longitudinal centre axis of the carrier plate. 12. The running gear according to claim 1, wherein the running gear comprises two cheeks, which are penetrated by the third rolling axis and enclose the third roller, on the underside of the carrier plate. 13. The running gear according to claim 1, wherein the first roller and/or the second roller project laterally beyond the carrier plate transversely to the longitudinal centre axis, at least in some regions. 14. The running gear according to claim 1, wherein the at least one connecting opening is configured for guiding through a connecting bar. 15. An arrangement having at least two running gears according to claim 1, wherein at least two such running gears are connected to each other by a connecting bar. 16. A running gear for transporting a load, having a carrier plate, which extents in a plane of extent, wherein the running gear comprises; a first roller, which can rotate about a first rolling axis running parallel to the a plane of extent, on an underside of the carrier plate;a second roller, which at a distance from the first roller and can rotate about a second rolling axis running to the plane of extent on the underside;a third roller, which is at a distance from the first roller and the second roller and can rotate about a third rolling axis running parallel to the plane of extent, on the underside;a shaft holder having two opposing walls and a bottom wall therebetween;wherein the shaft holder has at least one connecting opening, each of the at least one connecting opening being positioned on one of the two opposing walls;wherein the first roller can rotate about a first rotation axis running perpendicularly to the plane of extent on the carrier plate;wherein the second roller can rotate about a second rotation axis running perpendicularly to the plane of extent on the carrier plate; andwherein the third roller is arranged on the carrier plate in a rotationally fixed manner in relation to axes running perpendicularly to the plane of extent;the running gear further comprising a tongue configured for hooking in a shaft, the tongue projecting from the shaft holder in a direction perpendicular to the plane of extent of the carrier plate. 17. The running gear according to claim 16, wherein the tongue projects from the bottom wall of the shaft holder. 18. A running gear for transporting a load, having a carrier plate, which extents in a plane of extent, wherein the running gear comprises; a first roller, which can rotate about a first rolling axis running parallel to the plane of extent, on an underside of the carrier plate;a second roller, which is at a distance from the first roller and can rotate about a second rolling axis running parallel to the plane of extent, on the underside;a third roller, which is at a distance from the first roller and the second roller and can rotate about a third rolling axis running parallel to the plane of extent, on the underside,a shaft holder having two opposing walls and a bottom wall therebeteen;wherein the shaft holder has at least one connecting opening, each of the at least one connecting opening being positioned on one of the two opposing walls;wherein the first roller can rotate about a first rotation axis running perpendicularly to the plane of extent on the carrier plate;wherein the second roller can rotate about a second rotation axis running perpendicularly to the plane of extent on the carrier plate,wherein the third roller is arranged on the carrier plate in a rotationally fixed manner in relation to axes running perpendicularly to the plane of extent; and p1 wherein the first roller comprises a first rolling body and a second rolling body, wherein the second roller comprises a first rolling body and a second rolling body, and wherein the third roller comprises a first rolling body, a second rolling body, a third rolling body, and a fourth rolling body. 19. The running gear according to claim 18, wherein the first roller is mounted on a first roller carrier in such a way that the first rolling body of the first roller is spatially disposed from the second rolling body of the first roller; wherein the second roller is mounted on a second roller carrier in such a way that the first rolling body of the second roller is spatially disposed from the second rolling body of the second roller; andwherein the first rolling body, the second rolling body, the third rolling body, and the fourth rolling body of the third roller are positioned between two cheeks mounted to the underside of the carrier plate. 20. The running gear according to claim 6, wherein the first roller and the second roller are configured in parallel alignment.
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