A hydraulic rotational drive for rotating load-handling equipment relative to a crane arm is provided with a shaft, which has first securing means for connecting the shaft to the load-handling equipment or the crane arm, a shaft bearing, which has second securing means for connecting the shaft bearing to the crane arm or the load-handling equipment, vanes arranged in the shaft which can be acted on by oil via an oil feed and an oil discharge for the transmission of a torque to the shaft, wherein the rotational drive has a rotary encoder for the detection of the angular position of the shaft relative to the shaft bearing.
HYDRAULIC ROTATIONAL DRIVE
2018-10-18
Patent
Electronic Resource
English
Electro-hydraulic compact drive for rotational movements
European Patent Office | 2019
|Electro-Hydraulic Compact Drive for Rotational Movements
European Patent Office | 2018
|Rotational Speed Sensors . For Hydraulic Drive Control
Online Contents | 2011