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US 2018/0023269 A1Published application
Hydraulic device
OwnerDaniel DUUS, Maria GADEinventors
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OwnerDaniel DUUS, Maria GADEinventors
Estimating the term…
The invention concerns a hydraulically constructed device for mounting between an earthmoving machine and a tool. The device is secured to the earthmoving machine and connected to the earthmoving machine's hydraulic system. The operator can from the panel in the driver's cabin of the earthmoving machine control the device to place the tool in motion. For this, the device can be outfitted with a quick change unit. This hydraulic device functions with or without a quick change unit. The device is built around a housing (10) consisting of at least one main axle (4) and a slide (6). The slide is movable in that the main axles are led through the slide, and furthermore on the outside of the slide there are a number of spiral slots (20) with a conformation corresponding to a number of loose keys (9). The loose keys are fixed in such a way that they create the connection between the housing and the spiral slots. The loose keys are configured such that they are adapted to the slots in the slide and can move in them, and advantageously they remain a replaceable wearing part.
Hydraulic device for mounting between an earthmoving machine and a tool, comprising one the main axle which is surrounded by a housing, where the housing and main axle have center lines which coincide, where the main axle is longer than the housing and where there are main bearings, guide bushings and a clamping plate on the main axle, on either side of the housing, being parts of the device's fixed part, while fitting bolts, loose keys, the housing and locking keys constitute parts of the device's movable part, and where the device furthermore comprises a slide between the housing's inner diameter and the main axle's outer diameter and the housing's inner diameter, where the slide is axially movable due to the fact that the slide is led through a main axle and where the main axle is parallel to the housing's center lines, and where furthermore there is a plurality of spiral slots on the outside of the slide with a conformation corresponding to a plurality of loose keys, where the loose keys are connected by a plurality of fitting bolts to the housing and where there are hydraulic channels to hydraulic supply and drain lines in the main bearings.
Dependencies are inferred from the claim text.