Abstract: A construction machine, especially to a paver, comprising an engine, a machine frame, a pair of front wheels with at least one right-side front wheel and at least one left-side front wheel in the forward direction of the construction machine, each front wheel being steerable about a separate vertical steering axis, a steering structure connected to the front wheels for controlling and coordinating the steering movement of the front wheels about the vertical steering axes, the steering structure comprising a steering actuator mounted on the machine frame and comprising a driven control member that is linearly moveable in a horizontal plane and perpendicular to the forward direction along an adjustment axis in relation to the machine frame, the driven control member comprising link elements at each end on its right and left side with regard to the forward direction of the construction machine, wherein the link elements are part of link joints of steering linkages in functional connection with the front wheels f

Abstract: A method for pivoting a travel unit on a machine frame of a road milling machine between an outer end position and an inner end position offset toward a center of the machine relative to the outer end position, the road milling machine having a travel mechanism with multiple travel units, of which at least one travel unit is height-adjustable via a lifting column, comprising the steps of positioning a support foot mounted on the machine frame in a ground contact position to support the machine frame, lifting the travel unit, pivoting the travel unit between the outer end position and the inner end position, lowering the travel unit, and positioning the support foot in a stowed position.

Abstract: The invention relates to a self-propelled ground milling machine, in particular a road cold milling machine, stabilizer or recycler, comprising a milling device for milling the ground at a milling depth, a machine frame supported by front and rear travel units, an internal combustion engine arranged in an engine compartment, a hydraulic system with at least two hydraulic pumps, a pump transfer gear and a hydraulic tank, and an operator platform.

Abstract: A tracked vehicle, in particular a construction machine, more particularly a road construction machine, with at least one drive motor and a travel pump of a travel drive hydraulic circuit, which is driven by the drive motor, for generating a drive pressure; at least one track unit, said track unit comprising a drive wheel driven via the travel drive hydraulic circuit, at least one guide wheel, a track endlessly running around the drive wheel and the guide wheel, as well as a track tensioning apparatus for tensioning the track, and the track tensioning apparatus comprising an adjusting device with a track tensioning hydraulic cylinder with which the distance between two wheels of the track unit, in particular the drive wheel and the guide wheel, is adjustable for tensioning the track, the track tensioning hydraulic cylinder being connected via a hydraulic tensioning line to a hydraulic pretensioning source via which it can be loaded with an initial pretensioning pressure.

Abstract: A ground milling machine, comprising a machine frame, an operator platform, a drive engine, travelling apparatuses, a milling unit, a conveying apparatus for transporting milled material from the milling unit to a discharge point with a transfer conveyor and a downstream loading conveyor, and with a material transfer apparatus arranged in a material transfer region between transfer conveyor and loading conveyor, which material transfer apparatus is configured so as to direct milled material from the transfer conveyor to the loading conveyor, the transfer conveyor and the loading conveyor each comprising a support frame, wherein the material transfer apparatus comprises a milled-material-directing transfer chute, wherein the transfer chute has a chute guide surface extending at least partially in a horizontal direction and running in an at least partially descending manner from the transfer conveyor to the loading conveyor, and wherein the transfer chute is arranged at least partially immovably with respect to

Abstract: The present invention relates to a method for controlling a distance of a height-adjustable side shield of a milling drum box of a ground milling machine, in particular a road milling machine, a recycler or a stabilizer, in vertical direction with respect to the ground, comprising the steps of: ascertaining a reference value for the height setting of the side shield from operating parameters of the ground milling machine, determining a desired distance (d) between the side shield and the ground, the desired distance (d) ensuring the safety of persons located next to the ground milling machine, ascertaining a necessary height setting of the side shield from the reference value and the desired distance (d), and setting the position of the side shield with respect to the ground in observance of the desired distance (d), so that the side shield is guided, in vertical downward direction, without contact to the ground.

Abstract: The present invention relates to a ground compaction apparatus for compacting a subsoil cover layer, with at least one compaction roller, a cover edge processing apparatus comprising an edge processing roller and having a cut material deflector, the cut material deflector being mounted on the cover edge processing apparatus with the aid of a mounting device, the mounting device being configured such that the relative position of the at least one material guide surface of the cut material deflector can be changed automatically with respect to the adjustable roller holding device of the cover edge processing apparatus. The present invention also relates to an asphalt roller having such a ground compaction apparatus and a method for operating such a ground compaction apparatus.

Abstract: A construction machine, in particular a road milling machine, comprising a machine frame, a traveling mechanism with front and rear traveling devices with at least one pair of front traveling devices and/or one pair of rear traveling devices, at least one pair of the front or rear traveling devices being connected to the machine frame via lifting columns each having a hydraulically adjustable piston-cylinder unit, a drive device for driving the hydraulically adjustable piston-cylinder unit of the lifting columns separately from one another, and a control device configured to control the lifting adjustment of the lifting columns by means of the hydraulically adjustable piston-cylinder units, and to a method for controlling the lifting position of a piston-cylinder unit of a lifting column of a construction machine, in particular a construction machine according to the invention.

Abstract: The invention relates to a ground milling machine, comprising: a machine frame supported by front and rear travel units and at least partially height-adjustable; a milling drum housing arranged on the machine frame, comprising a milling drum that is rotatable about a horizontal axis of rotation perpendicular to the milling direction; a retaining device arranged in front of the milling drum housing in the milling direction with an adjustment device that enables the height adjustment of the retaining device in relation to the milling drum housing and the machine frame; and a ground contact device arranged in front of the milling drum housing in the milling direction with a contact runner and a mounting lever. The contact runner is adjustable in relation to the retaining device within a height-adjustment range and is mounted on the retaining device by way of the mounting lever.

Abstract: A method for controlling the height adjustment of a height-adjustable running gear of a self-propelled ground milling machine, and to a ground milling machine, in particular a road miller, comprising a machine frame, front and rear traction devices, wherein at least one rear traction device is connected to the machine frame by means of a height-adjustable lifting device, a milling drum mounted on the machine frame, a frame tilt sensor arranged on the machine frame and intended for detecting the tilt of the machine frame in the working direction, at least one ground-contact-element tilt sensor, arranged on a ground contact element, which is adjustable relative to the machine frame, and intended for detecting the tilt of the ground contact element in the working direction, and also a control unit, which controls the at least one rear height-adjustable lifting device depending on tilt data determined by means of the frame tilt sensor and the ground-contact-element tilt sensor.

Abstract: A material transfer apparatus for transferring milled material for a ground milling machine, having a loading conveyor for discharging the milled material, a transfer conveyor for transporting the milled material onto the loading conveyor, and a transfer apparatus for transferring the milled material from the transfer conveyor into a receiving opening of a receiving apparatus of the loading conveyor, wherein the loading conveyor is swivel-mounted about a vertical swivel axis and about a horizontal swivel axis, and wherein the vertical swivel axis and the horizontal swivel axis intersect at an intersection point, wherein the horizontal swivel axis is arranged in vertical direction above the loading conveyor, in particular above the upper run of the loading conveyor. Moreover, a ground milling machine having such a material transfer apparatus.

Abstract: A ground milling machine, comprising a milling drum, rotatably mounted in a milling-drum housing, for removing ground material, a milled-material conveying apparatus for transporting the removed ground material and a dust extraction apparatus for extracting dust-containing air from a region of the milled-material conveying apparatus, the dust extraction apparatus comprising at least one extraction line, which opens into the region of the milled-material conveying apparatus via an extraction opening, the ground milling machine comprising a left side wall, a right side wall, a front wall and a rear wall, and wherein a maintenance tunnel is provided which is designed such that it establishes an access connection, accessible from outside the ground milling machine, between the extraction opening and one of the side walls, the front wall or the rear wall of the ground milling machine. A method for maintenance of the dust extraction apparatus is also disclosed.

Abstract: A self-propelled ground milling machine, in particular a road milling machine, a stabilizer or a recycler, comprising a machine frame borne by traveling devices, a ground milling device mounted on the machine frame having a milling drum box and a milling drum which can be rotated within the milling drum box about a rotation axis running transverse to a main working direction of the ground milling machine, and an operator platform from which the ground milling machine is operated by an operator, having an operator platform floor on which the operator can stand while operating the ground milling machine, having a main floor plate. What is now essential according to the invention is that, in addition to the main floor plate, a side floor plate is provided which can be pivoted about a vertical axis or can be adjusted along a horizontal adjustment axis, and by means of which the standing area of the operator platform can be varied.

Abstract: The invention relates to a vibrating plate for ground compaction, comprising a drive motor, an exciter unit which is driven by the drive motor and by means of which a base plate can be set in vibration, an adjustably mounted hood, which can be adjusted between an operating position at least partially covering the drive motor and a maintenance position at least partially exposing the drive motor, an exhaust air guiding device leading from the drive motor to an exhaust air opening in the hood for the cooling air of the drive motor, the exhaust air guiding device being formed in two parts and comprising an exhaust air adapter on the drive motor side and an exhaust air guide on the hood side, the exhaust air adapter and the exhaust air guide together forming a continuous exhaust air path from the drive motor to the exhaust air opening in the hood when the hood is in the operating position, the exhaust air adapter being attached to the drive motor, and the exhaust air guide being attached to the hood such that it