Liebherr-Werk Nenzing Gmbh

Manfred Schapler

Walter Mietschnig

Tizian Lamprecht

Josef Kaspar Schmid

Thomas Klimmer

Martin Stenech

Mathias Eder

The present disclosure relates to a mobile crane, which comprises a superstructure, a main boom, which extends away from the superstructure and is arranged so as to be pivotable thereon, a derrick boom, which extends away from the superstructure and is arranged so as to be pivotable thereon, and a winch assembly, wherein the winch assembly comprises a main-boom winch for actuating the main boom and a derrick-boom winch for actuating the derrick boom. The mobile crane is characterised by an assistance apparatus for facilitating or fully automatically carrying out a raising and/or setting-down process of the derrick boom, which apparatus is designed to actuate the main boom and the derrick boom, such as the main-boom winch and the derrick-boom winch, at the same time.

Mobile crane comprising a device for facilitating or fully automatically carrying out a raising and/or setting-down process of a derrick boom, and corresponding method

The present disclosure relates to a lifting device, in particular a mobile crane or a cable-operated excavator, that comprises a superstructure, a main boom that starts from the superstructure, a luffing boom that starts from the end of the main boom remote from the superstructure, a winch arrangement, and a tilting moment detection unit for determining the tilting moment acting on the lifting device by the position of the main boom and the luffing boom. The disclosure is characterized by an apparatus for assisting or for fully automatic carrying out an erecting and/or placing down procedure of a boom system comprising the main boom and the luffing boom that is configured to carry out the steps for erecting and/or placing down the boom system in dependence on the tilting moment detected by the tilting moment detection unit.

Lifting device having an apparatus for assisting or for fully automatically carrying out an erection or placing down procedure of a boom system and corresponding method

The invention relates to a lifting device, in particular a mobile crane or a cable-operated excavator, having an apparatus for monitoring the raising and lowering procedures of a boom system of the lifting device.

Lifting device, in particular a mobile crane or a cable-operated excavator, having an apparatus for monitoring the raising and lowering procedures of a boom system and corresponding method

The present invention comprises a method for controlling a load-moving device by at least two persons, with the following steps: controlling the movement of the load-moving device by a first person; handing over control over the movement of the load-moving device to a second person; controlling the load-moving device by the second person. The present invention furthermore comprises a corresponding controller of a load-moving device with a first, in particular permanently installed operating unit and a mobile operating unit for controlling the movement of the load-moving device for the safe and efficient performance of the method.

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Vandans, Austria

Manfred Schapler