In one aspect, an electrically-powered wheel assembly for a work vehicle may include an axle and a wheel configured to rotate relative to the axle. The wheel may, in turn, be positioned outward from the axle in a radial direction such that a wheel cavity is defined between the wheel and the axle in the radial direction. The wheel assembly may also include a first electric motor configured to rotationally drive the wheel relative to the axle, with the first electric motor positioned within the wheel cavity and configured to receive electric power from a power source. Furthermore, the wheel assembly may include a second electric motor positioned within the wheel cavity and configured to rotationally drive the wheel relative to the axle, with the second electric motor configured to receive electric power through the first electric motor.

An electric work vehicle includes a battery, a motor positioned under the battery and drivable on electric power supplied by the battery, a travel device drivable by the motor, an inverter positioned under the battery and forward of the motor to convert direct-current electric power from the battery into alternating-current electric power and supply the alternating-current electric power to the motor, and a transmission positioned backward of the battery to transmit a driving force of the motor to the travel device, wherein the motor and the inverter are arranged in a front-back direction of a machine body.

An electric work vehicle includes a driver section that an operator is able to enter, a battery positioned forward of the driver section, a motor drivable on electric power supplied by the battery, a travel device drivable by the motor, a cover including an accommodation space inside and capable of being opened and closed, wherein the battery includes an electricity storage to store electric power and a battery cover hermetically accommodating the electricity storage, and the battery cover includes an outer wall surface defining a portion of an exterior of the electric work vehicle.

An electric work vehicle includes a travel battery, an auxiliary battery, a motor drivable on electric power supplied by the travel battery, a travel device drivable by the motor, a voltage converter positioned forward of the travel battery to step down a voltage of electric power from the travel battery and supply the electric power to the auxiliary battery, and a radiator positioned forward of the travel battery, wherein the voltage converter and the radiator are laterally next to each other in a plan view.

An electric work vehicle includes a work device, a battery, a motor drivable on electric power supplied by the battery, a travel device drivable by the motor, and a hydraulic pump positioned next to the motor and drivable by the motor to supply operating fluid to an operating mechanism of the work device.

A road construction system comprising an at least partly electrically powered road construction machine and one or more service vehicles arranged to supply or remove road construction material to or from the electric road construction machine at a road construction work site, wherein each service vehicle comprises an electrical storage system (ESS) and an electrical connector arranged to interface with an electric system of the road construction machine, wherein the road construction machine is arranged to dock with the service vehicle in a mated configuration to receive and/or off-load the road construction material and to receive electrical energy via the electrical connector, and wherein the road construction machine is arranged to be at least partly powered from the service vehicle ESS when in the mated configuration.

A hybrid dump truck for surface mining, comprising a cyber-physical system including a sensing system and a control system, and a driving unit for performing autonomous driving of the dump truck along a travel path using at least the sensory data of the sensing system, wherein the closed cycle path is determined based on topographical data, wherein the control system is configured to control a cyclic energy level of the electric energy storage unit, wherein rates of change of power during autonomous or semi-autonomous driving of the hybrid dump truck from a predetermined reference point of the closed cycle path along said closed cycle path are controlled based on a desired velocity such as to reduce a difference in energy levels of the electric energy storage unit at the reference point of the closed cycle path.

The present invention relates to an automated guide vehicle (10) for transporting objects (38) comprising a support structure (12) with an outer contour (14), a chassis (16) fastened to the support structure (12) having at least one first wheel (18) and one second wheel (20), wherein the first wheel (18) and the second wheel (20) are respectively rotatably mounted in the chassis (16) about a first axis of rotation (D1) and a second axis of rotation (D2), a drive unit (22), with which the first wheel (18) and the second wheel (20) can be driven independently from one another, a lifting mechanism (32) cooperating with the support structure (12) for lifting and lowering at least one support portion (39) which cooperates therewith to transport the objects, and a store (70) for electrical energy, which in plan view protrudes in portions beyond the outer contour (14) of the support structure (12), wherein the energy store (70) is movably fastened to the support structure (12).

A robotic lawn mower includes a first wheel driven by a first electric wheel motor, a second wheel driven by a second electric wheel motor, a cutting implement driven by an electric cutting implement motor, a power system for powering the electric wheel motors and the electric cutting implement motor, and a controller configured to control operation of the electric wheel motors and the electric cutting implement motor to autonomously mow a yard. The power system includes multiple removable rechargeable battery modules and multiple receptacles, each receptacle configured to receive one of the battery modules.

A system and a method are for positioning a drilling rig arranged to drill in a ground. The system has a positioning jig including at least one coupling portion; a drilling rig including at least two coupling portions; and at least two anchoring elements including an upper coupling portion and a lower coupling portion. The lower coupling portion of the anchoring element is arranged to be releasably fixed to the ground. The upper coupling portion of the anchoring element is arranged to be connected to the coupling portion of the positioning jig and to the coupling portion of the drilling rig, so that the upper coupling portion of the anchoring element can optionally be connected to the positioning jig or the drilling rig.