Übersetzung für "Boom operator" in Deutsch

The Ponsse Scorpion features a symmetrical crane boom, where the operator sits at the center of all movements.

The Ponsse Scorpion features a symmetrical crane boom where the operator sits in the center point of all movements.

It is particularly advantageous for a further piston-in-cylinder arrangement to be provided in addition to the piston-in-cylinder arrangement, said further piston-in-cylinder arrangement being articulated between the two partial booms at the telescopic boom, on the one hand, and at the connection piece, on the other hand, with the piston-in-cylinder arrangements being coupled to one another such that the displaced oil volume from the piston-in-cylinder arrangement articulated at the connection piece being transported into the piston-in-cylinder arrangement articulated at the operator cabin in order to produce the same lift length there so that the same angular change results, and thus the operator cabin remains in its position, with the telescopic boom and the operator cabin with a corresponding pivoting.

The bridging system in and gives this model a powerful load capacities both as telescopic boom luffing operation.

The bracing system Y gives this model a powerful load capacities both as telescopic boom luffing jib operation.

Similar to the ring lift crane of U.S. Pat. No. 6,516,961 B1, a common chassis is again provided, on which chassis the two independently-operable booms are disposed.

At least two derrick booms are operably coupleable with each other in one position near to each other in the vertical and the horizontal planes.

In the case of switched off pump, switched off boom operation and an input value F=0 at the final control element 56 the software question 110 leads, over the output path “no”, to a no-load routine 112, via which a defined no-load rotational speed of the drive motor of N=850 RPM is set.

Upon activation of the pump 6 (input 80) or during boom operation (input 82) or during operation of the control element 56 the control logic or it's software 108 arrives, via the “yes” path of the question 110, to the base-load routine 118 ?, in which the rotational speed of the motor is increased by giving gas (N+) up to the base-load rotational speed N=1,300 RPM.

BACKGROUND OF THE INVENTION The within invention concerns a crane with a superstructure that rotates on a vertical axle, a boom coupled to the superstructure in such manner that it can luff on a horizontal axle, luffing equipment for raising and lowering the boom, and an operating ballast that counteracts the moment of the boom.

On the other hand, in crane operation such a large ballast is often not necessary, since in specific applications the crane boom is continually operated in relatively steep luffing position.

As soon as the boom has been luffed somewhat farther, preferably at least 45° or more, the guy support can be pivoted toward the boom into operating position with a comparatively smaller angle between guy support and boom.

In the shown embodiment the function of a consumer, for instance a hydraulic motor 6 of a travel drive, is mechanically operated via an actuating lever and the function of a further consumer, for instance a hydraulic cylinder 8 operating the boom, is hydraulically operated.

Thereby it is achieved, that during boom operation, even without a pumping process, a sufficient movement speed of the distribution boom is achieved, which could not be achieved at only the no-load rotational speed of the drive motor.