Abstract: A sprinkler apparatus for dosed sprinkling of a base plate of a vibration apparatus for soil compaction is provided. The sprinkler apparatus comprises a fluid tank with a fluid outlet, a valve for controlling the fluid release by the fluid outlet, and a control lever for actuating the valve. Preferably, the control lever concerns a rocking or swivel lever which is fastened to the upper region of the fluid tank. The lever allows a simple and secure dosing of the fluid release in the sprinkler apparatus.

Abstract: A vibration exciter is provided. The vibration exciter includes a shaft and at least two unbalanced weights arranged on the shaft, in which the radial distance of the common center of gravity of the unbalanced weights from the rotational axis of the shaft is adjustable in an infinitely variable way by means of a gear. The vibration exciter comprises a gear which is a spatial coupling gear, e.g. a spatial vibration slider gear. A simple and compact configuration of the vibration exciter is thus proposed, in which the required adjusting forces for changing the imbalance are very low.

Abstract: The present invention relates to a steering device for a self-propelled construction or utility machine. The construction or utility machine includes a cab having a carriage, which is adjustable transversely to the travel direction, on which operating and/or actuating elements and at least one steering wheel for steering the construction or utility machine are situated. The steering wheel is coupled via a steering drive shaft, which is mounted on the adjustable carriage, and is carried along upon adjustment, to a steering output shaft, which is situated fixed in place on the construction or utility machine and runs transversely to the steering drive shaft.

Abstract: The present invention relates to an apparatus for the articulated connection of two vehicle frames, a front and a rear frame, of a construction machine, especially a vibration roller. The apparatus comprises a pivot joint with a vertical pivot axis and a crab-steering joint with a vertical rotational axis. It further comprises a connection support which connects the pivot joint and the crab-steering joint with one another, and a connecting rod which is linked on one side to the vehicle frame and on the other side to the connection support. It further comprises a steering drive for relative pivoting of the front and rear frame about the pivot axis, the steering drive being linked on the one side to one of the vehicle frames and on the other side to the connection support, and a crab-steering drive for setting a lateral offset between the front and the rear frame, the crab-steering drive being linked on one side to one of the vehicle frames and on the other to the connection support.

Abstract: A spraying device for introducing a fluid into the working chamber of a construction machine for processing the ground or road surfaces, comprises two fluid delivery apparatuses, a line system and a control unit. The present invention further relates to a construction machine, especially a recycler, a stabilizer or a cold milling machine, comprising such a spraying device and a method for operating such a spraying device.

Abstract: A control lever unit for controlling the driving and braking functions of a construction machine is provided. The control lever unit has a manual control lever actuatable by hand, this manual control lever having a hand rest surface, which renders possible the passive resting of the hand during operation. A construction machine, in particular a material compaction device, including at least one such control lever unit, is also contemplated.

Abstract: The invention relates to a construction machine, especially a road construction machine, comprising a machine frame and a chassis carrying the machine frame with several wheels, with at least one of the wheels being connected with the machine frame via a height-adjustable lifting column and the lifting column comprises a distance measuring device for measuring the adjustment of the lifting columns with a sensor. The invention further relates to a method for controlling and/or monitoring the working depth of a working device for processing the ground arranged on a height-adjustable construction machine, especially a road construction machine.

Abstract: A device for fastening a rollbar or similar attachment part on a vehicle, in particular a vibration roller, includes an inner installation sleeve, which is or can be operationally linked to a bar receptacle on the vehicle, an outer installation sleeve, which at least partially encloses the inner installation sleeve and is or can be operationally linked to the rollbar, and at least one elastomeric element, which positions the inner installation sleeve relative to the outer installation sleeve in such a way that the two sleeves are spaced apart from one another while partially forming a vibration clearance. In addition, the present invention relates to a rollbar or similar attachment parts for attachment on a vehicle, in particular on a vibration roller, having at least one device according to the above-mentioned type, which is implemented, in particular integrated on the rollbar.

Abstract: A vibration exciter for a ground compactor comprises an exciter shaft having at least one exciter weight disposed thereon and having at least one turnover weight which is disposed so that it can rotate relative to this exciter shaft. The present invention further relates to a ground compactor having such a vibration exciter.

Abstract: The present invention relates to a rotor box for a ground and/or road milling machine such as, in particular, for a road miller or a trench cutter which surrounds at least one milling rotor for removing ground material (B). It is provided that the wall of this rotor box is configured at least in one section with an enlarged distance from the milling rotor in order to allow a specific guiding of the milled material away from the milling rotor in this region of the rotor box and that at least one separating device is disposed between this section of the wall and the milling rotor, which prevents contact of the guided-away milled material with the milling rotor in this region. The present invention further relates to a ground and/or road milling machine such as in particular a road miller or trench cutter having at least one such rotor box.

Abstract: A spraying device for introducing a fluid into the working chamber of a construction machine for processing ground or road surfaces comprises at least one outlet nozzle by means of which the fluid is introduced into the working chamber, a line system by means of which the fluid is conveyed to the at least one outlet nozzle, and a control unit by means of which the fluid supply to the outlet nozzle is controllable. The present invention further relates to a construction machine for processing ground or road surfaces, especially a milling machine for milling off road or ground surfaces, a stabilizer for stabilizing ground of low bearing capacity and a recycler for repairing pavements in need of repair, comprising such a spraying device, and a method for operating a working device of such a construction machine.

Abstract: An apparatus for processing ground surfaces comprises a moving device, a working device, especially a milling device for milling the ground surface, and a drive device for driving the moving device and the working device, wherein the working device is movable between a working position, in which it is in operative engagement with the ground surface, and a maneuvering position, in which it is not in operative engagement with the ground surface, wherein a sensor device is provided which detects the maneuvering position and/or at least one working parameter of the working device, namely its power consumption, working speed, rotational speed or its inclination, and/or at least one load parameter of the moving device, and a control device which reduces the frictional connection between the drive device and the working device and/or the drive power transmitted by the drive device to the working device in the maneuvering position and/or in case of the detection of a deviation of the at least one detected working par

Abstract: A road paver for laying road construction material comprises a tamping beam, a bunker for receiving road construction material, a wheeled chassis with a rear axle and a steerable front axle, and a hydraulic arrangement for permanent or optionally selectable drive of hydraulic motors which are coupled to the front wheels. A method for tractive power control and for drive slip limitation of the front drive of a road paver is also disclosed.

Abstract: The present invention relates to a machine operator seat of a construction machine having a seat surface, a backrest, which is situated opposite to the front seat edge in the longitudinal direction of the seat surface, and at least one armrest situated laterally to the seat surface, comprising a base part, an arm support, and at least one operating element, the arm support being situated in the rear area in the longitudinal direction and the at least one operating element being situated in the front area of the armrest in the longitudinal direction. Furthermore, the present invention relates to a construction machine, in particular a road miller, recycler, stabilizer, or a road roller, in particular a tandem roller, having such a machine operator seat.

Abstract: The present invention relates to an apparatus for repairing a vibration roller or a similar rotational tool, the outside jacket of which has been worn out up to a wear limit, comprising at least two repair segments which are arranged especially in their inside geometry in an at least partly complementary way with respect to the outside jacket and can be placed on the same by forming a repair jacket.

Abstract: The present invention relates to a roll bar for a cab-less construction machine, in particular a vibration roller, which is implemented so it is adjustable in height between an operating position and a transport position. The roll bar includes a pivotable tube bow, which comprises two vertical pivot tubes; two stand tubes, which are fixedly connected to the frame of the construction machine; two connection elements, via which the pivot tubes are connected to the stand tubes, the connection elements each comprising a stop surface, against which the pivot tube can be moved to, in particular pressed, in the operating position; a lock for clamping the pivot tube against the connection element in the operating position; a welding surface, to which the stand tube is materially bonded; and a pivot joint having a pivot axis, around which the pivot tubes are pivotable.

Abstract: A ground milling machine for grinding and/or removing a ground material comprises a hollow-cylindrical drum which extends in an axially longitudinal manner and on the outside circumferential area in which several milling tools are arranged for grinding and/or removing the ground material. In order to reduce abrasion it is provided that at least one face-side milling tool is arranged on the hollow-cylindrical drum in the region of at least one face side, which milling tool protrudes beyond said face side and is provided during milling to at least partly cut free the collision region (T) between said face side and the ground material to be processed. The present invention further relates to a ground milling machine with at least one such milling drum.

Abstract: The invention relates to an operator workplace of a construction machine, especially a milling machine for processing a road surface, comprising a seat with a seating surface, an armrest arranged to the side of the seating surface and comprising an arm supporting surface, and at least one control element arranged on the armrest for controlling at least one machine function. The invention further relates to a construction machine with such an operator workplace.

Abstract: A road building machine for road surface paving is provided.

Abstract: A transport attachment of a vibration plate and a vibration plate having transport wheels is provided. The transport wheels are pivotable between a transport position and an operating position, and are located further outward in the viewpoint of the vibration plate in the width direction in the transport position than in the state of the operating position.