A vehicle attachment includes a three-position blade mounted on a frame, the wings of the blade being connected Lo one another by a pivot shaft. Elements for attachment to a self-propelled vehicle are situated on one side of the frame, while brackets for connection, via sliders, to the wings of the blade are situated on the other side. Hydraulic cylinders for rotating the wings of the blade are symmetrically fastened to the frame, between the brackets. The rods of the hydraulic cylinders are pivotally connected to the pivot shaft of the blade wings, and the body of each hydraulic cylinder is connected to the frame by a pin. The pivotal connection of the blade to the attachment frame via sliders makes it possible to alter the angle at which the sections of the blade are mounted in a horizontal plane, with the wings of the blade being rotated in synchronism by the movement of the hydraulic cylinders.

A work vehicle may comprise a chassis, a ground-engaging blade, a sensor assembly, and a controller. The ground-engaging blade may be movably connected to the chassis via a linkage configured to allow the blade to be tilted relative to the chassis. The sensor assembly may be connected to the work vehicle and configured to provide a tilt signal indicative of an angle of the blade in a roll direction and a roll signal indicative of a rotational velocity of the blade in the roll direction. The controller may be configured to determine a target tilt angle, receive the tilt signal, receive the roll signal, and send a command to tilt the blade toward the target tilt angle, the command based on the tilt signal, the roll signal, and the target tilt angle.

An excavator for earthmoving and construction includes a main frame, a rotatable cabin mounted on top of the main frame, a boom, a stick, a digging bucket, and a slidable plate assembly attached to the main frame that is capable of distributing the weight of the rotatable operator's cabin. The excavator optionally includes a removable dump bed mounted to the main frame for receiving material from the digging bucket.

A work vehicle may include a chassis, a ground-engaging blade, a sensor, and a controller. The ground-engaging blade may be movably connected to the chassis via a linkage configured to allow the blade to be raised or lowered relative to the chassis. The sensor may be connected to the chassis at a fixed relative position to the chassis and configured to provide a pitch signal indicative of a rotational velocity in a pitch direction. The controller may be configured to receive the pitch signal and send a command to raise or lower the blade, the command based on a first gain and the pitch signal when the pitch signal indicates a rotational velocity in a first direction and based on a second gain and the pitch signal when the pitch signal indicates a rotational velocity in a second direction.

A method for assisting a distribution process by a distribution tool attached to a utility vehicle includes adjusting a position of a lower edge of the distribution tool by changing a lifting position of the distribution tool, determining by a sensor attached to the distribution tool a first distance between the lower edge and a surface region of the material being distributed, utilizing the first distance as a basis for adjusting the lifting position when the first distance has a value greater than or equal to zero, estimating a second distance from the lower edge of the distribution tool to the surface region based on the position of the lower edge resulting from the lifting position, and utilizing the second distance for adjusting the lifting position when the first distance has a value of less than zero.

The device includes two opposing lateral wings forming the right and left sides of the scraping device. Each wing includes an upper section through which the wing is attached to the central support about a vertical pivot axis, and a bottom section that is pivotable with respect to the upper section about a first horizontal pivot axis. Each wing can follow the unevenness of the roadway surface and may also include parts that can pivot backwards in case of a frontal impact with an obstacle. The scraping device offers a very high degree of versatility and can clean various kinds of roadway surfaces with an unprecedented level of efficiency.

A method of controlling a grading attachment on a skid steer vehicle that includes the steps of lowering a main arm of a skid steer vehicle with either an electric non-hydraulic cylinder or a drive motor to the main arm's lowest allowed position along an arm translation path on the skid steer vehicle and adjusting, while the main arm is the in the lowest allowed position, either or both a pitch axis movement and/or a yaw axis movement of a grading attachment coupled to the main arm autonomously using an automatic grade control system implementing at least one of a laser, a GPS, an LPS, and an ultrasonic sensor and with at least one a plurality of electric non-hydraulic cylinders and drive motors, wherein the automatic grade control system is communicatively coupled to the at least one a plurality of electric non-hydraulic cylinders and drive motors.

The device includes two opposing lateral wings forming the right and left sides of the scraping device. Each wing includes an upper section through which the wing is attached to the central support about a vertical pivot axis, and a bottom section that is pivotable with respect to the upper section about a first horizontal pivot axis. Each wing can follow the unevenness of the roadway surface and may also include parts that can pivot backwards in case of a frontal impact with an obstacle. The scraping device offers a very high degree of versatility and can clean various kinds of roadway surfaces with an unprecedented level of efficiency.