In a power supply system comprising an electric generator, a DC intermediate circuit, at least one rechargeable electrical energy storage, which is connected to the DC intermediate circuit, a rectifier via which the electrical generator is connectable to the DC intermediate circuit, and at least a first inverter, the DC side of which is supplied with direct current from the DC intermediate circuit and the AC side of which is connectable to an electrical load, and further comprising a control device which regulates the generator in dependence on the load of the electrical load, it is provided that the control device is designed to switch between a first and a second operating mode of the power supply system, wherein in the first operating mode the electrical energy generated by the electrical generator is supplied via the rectifier to the DC intermediate circuit, and in the second operating mode the generator is connected to the load in parallel with the inverter.

Heave balance device (1) can balance a lifted or supported load (8). The load can be lifted by a hoisting device (10) or it can be supported. The heave balance device comprises a first frame (2) and a connection unit (22) that can be suspended, e.g. to a hoisting device. Further a moveable carrying unit (32) allows for carrying (suspending or supporting) a load. The device comprises a transmission that couples the connection unit and carrying unit, wherein said transmission is arranged to guide the connection unit and the carrying unit to move along a guideline with respect to each other, the transmission having a spring force balancing arrangement (4) with one or more leverage units, such as one or more pivoting arms (50, 51), and with one or more configurable (gas- or) hydropneumatic springs. A method comprises suspending the load via a (heave) balance device. Further a kit of parts for hoisting devices is provided to allow load decoupling.

The invention relates to a mobile construction crane comprising a superstructure and an undercarriage, wherein one or more electrical consumers are provided in or at the superstructure, wherein a supply of the one or more electrical consumers with electrical energy takes place by at least one current generator installed in the lower undercarriage.

The invention relates to a mobile construction crane comprising a superstructure and an undercarriage, wherein one or more electrical consumers are provided in or at the superstructure, wherein a supply of the one or more electrical consumers with electrical energy takes place by at least one current generator installed in the lower undercarriage.

Methods, systems, and apparatus for transporting workcells. In one aspect, a system includes a first fleet of AGVs that each include electro-mechanical interface that is adapted to (i) connect to or lift multiple different types of workcells and (ii) provide charging power to or receive charging power from multiple different types of workcells. A second fleet of multiple different types of workcells are each adapted to perform one or more particular tasks. A control system is configured to identify a set of tasks to be performed by the second fleet of workcells and, for each task, select a workcell to perform the task, select an AGV to transport the selected workcell to a location at which the task is to be performed, and provide, to the selected AGV, instructions that cause the selected AGV to transport the selected workcell to the location at which the task is to be performed.

Embodiments of a vacuum material handler or lifting device and system of this disclosure provide a modular design that allows a power pack to be mounted directly to the pad or remotely mounted on host equipment to minimize lift weight. The pad, which includes an integral, pad reservoir, may be arranged, to accept a rotator or a tilting mechanism for position when used on mobile equipment. The power pack is independent of the pad and can be transferred to multiple pads, thereby permitting a single power pack to service the different pads. The control mechanism may reside on the pad to further facilitate modularity. Safety checks used for remote operation may be used to minimize the risk of danger in the event of remote vacuum hose or vacuum failure.

A feed device for supplying electrical power and/or data to an electrical load, which is movable in at least one travel direction relative to the feed device, via cables. An electrical line cable carried along by the electrical load can be connected or is connected to the feed device, and to a power supply system for supplying the movable electrical load. The line cable can be output or retrieved from a reservoir, which is carried along by the load, in accordance with a distance between the reservoir and the feed device. The feed device has at least one connection part, which is rotatable about at least one pivot axis, for the line cable. This feed device, as well as a power supply system having such a feed device, provides protective guidance and storage of the line cable, reducing the risk of kinking or excessive bending of the line cable when moving the electrical load.

The invention concerns an arrangement for the guidance of flexible lines that run from a crane arm (3) through its end section (2) to a tool (4), that is suspended at the crane arm through a link arrangement (5) and a frame that is a component of a rotator (6) for rotation around a vertical first axis (A) and in a cardan manner around second (B) and third (C) horizontal axes, For the discrete and protected passage of hoses, it comprises a first holder (35) in an opening (3A) of the end section (2), a second holder (38) in a central region of the rotator (6), a first hose package (1A-1D) that extends between the said first (35) and second holders (38), a penetration (26) in a central region of the rotator (6) and permitting hydraulic fluid to pass through the rotator (6) and onwards to a lower part (18) of the same at least one of the said second (B) and third (C) horizontal axes comprises an “open joint”.

The invention concerns an arrangement for the guidance of flexible lines that run from a crane arm (3) through its end section (2) to a tool (4), that is suspended at the crane arm through a link arrangement (5) and a frame that is a component of a rotator (6) for rotation around a vertical first axis (A) and in a cardan manner around second (B) and third (C) horizontal axes, For the discrete and protected passage of hoses, it comprises a first holder (35) in an opening (3A) of the end section (2), a second holder (38) in a central region of the rotator (6), a first hose package (1A-1D) that extends between the said first (35) and second holders (38), a penetration (26) in a central region of the rotator (6) and permitting hydraulic fluid to pass through the rotator (6) and onwards to a lower part (18) of the same at least one of the said second (B) and third (C) horizontal axes comprises an “open joint”.

A spreader for lifting an intermodal transport container includes a main beam extending in a longitudinal direction, the main beam formed of a first, upper C-beam of a relatively thicker material thickness and a second, lower C-beam of a relatively thinner material thickness; and an indicator configured to provide an indication if a distance in a transversal direction between a pair of twist-locks is set in a wide-body position when lowered onto respective lifting castings provided with top openings separated by a transversal distance corresponding to a standard position.