Abstract: A seat device for a construction machine comprising a positioning device and a seat console having a seat arranged thereon, wherein the positioning device comprises a first pivot arm and a second pivot arm for guiding the seat console along a curved trajectory, wherein the pivot arms respectively comprise a first end and a second end, wherein the respective first end of the pivot arms is supported on the positioning device via a respective first rotary joint, and the respective second end of the pivot arms is connected to the seat console via a respective second rotary joint in a manner as spaced apart from each other.

Abstract: An earth working roller comprises a support structure (11), wherein to form a roller body (36) rotatable about a roller axis of rotation (A) on a radially outer region of the support structure (11), a plurality of first earth working units (30) is provided extending substantially in the direction of the roller axis of rotation (A) and/or a plurality of second earth working units (38) is provided extending substantially in the circumferential direction.

Abstract: A fastening device for hoses including two fastening parts two fastening parts adapted to be joined with each other and each having at least one recess which, in the joined state of the fastening parts, form at least one passage for at least one hose. The fastening parts are each formed by a fastening body with an elastic fastening component, wherein the fastening body has a lower elasticity than the elastic fastening component. The elastic fastening component respectively forms a recess surface in the recess. The elastic fastening component is molded to the fastening body to form a chemical bond with the same.

Abstract: A construction machine comprises: a system region that can be rotated about an axis of rotation relative to a machine frame; at least one electrical load (50) in the rotatable system region; and an induction energy-transfer assembly (26) for wirelessly transferring energy into the rotatable system region, the induction energy-transfer assembly (26) comprising a transmitting assembly (27) having at least one transmitting coil (28, 30) and, in the rotatable system region, a receiving assembly (32) having at least one receiving coil (34).

Abstract: A soil compactor includes at least one compactor roller, which is free to rotate about an axis of rotation of the roller, with a plurality of roller segments, which follow one another along the direction of the axis of rotation of the roller. In each case, at least one electromotive drive for producing an oscillating torque is assigned to each roller segment.

Abstract: An earth working roller for use in an earth working machine includes a roller drum, which extends in a direction along a roller axis of rotation, surrounds a roller interior, and has a circular outer circumferential contour, wherein a substrate breaking configuration is provided on the outer circumferential surface of the roller drum. The substrate breaking configuration includes a plurality of impact bars along the roller drum in the direction of the roller drum axis of rotation, as well as a plurality of breaker bars along the roller drum in a circumferential direction.

Abstract: A soil compactor includes at least one compactor roller supported on a machine chassis to be rotatable about a roller axis of rotation. The at least one compactor roller is supported in its two axial end areas respectively via a suspension assembly on the machine chassis to be movable with respect to the same. The suspension assembly includes at least one helical spring which couples the compactor roller movably to the machine chassis.

Abstract: A construction machine includes a system area rotatable about an axis of rotation with respect to a machine frame. On the rotatable system area is at least one sensor, a data transmission unit with at least one transmission antenna, and a first data transmission arrangement for transmitting data from the at least one sensor to the data transmission unit. On the machine frame is a data receiving unit with at least one receiving antenna, a data evaluation system, and a second data transmission arrangement for transmitting data from the data receiving unit to the data evaluation system. The data transmission unit has at least two transmission antennas and/or the data receiving unit has at least two receiving antennas.

Abstract: A compactor roller includes a roller jacket, at least one roller disk connected to the roller jacket, and a reinforcing arrangement with a reinforcing ring connected to the roller jacket and a reinforcing structural group connected to the roller disk and the reinforcing ring, the reinforcing structural group including: (i) at least one first reinforcing plate arranged eccentrically and connected to the roller disk and to the reinforcing ring, and a second reinforcing plate connected to the roller disk and arranged substantially parallel to the at least one first reinforcing plate, the second reinforcing plate intersecting a rotary roller axis, or (ii) reinforcing struts connected to the roller disk and to the reinforcing ring and arranged around the rotary roller axis, at least one of the reinforcing struts arranged with a longitudinal strut axis which is not parallel to the rotary roller axis.

Abstract: A compacting roll for a soil compactor includes a roll shell concentrically surrounding a roll rotational axis, a roll inner space and two oscillatory arrangements, at least partially arranged within the roll inner space, for generating the oscillating torque impinging on the roll shell with respect to the roll rotational axis, whereat each oscillatory arrangement includes at least two oscillation mass units that are rotatable around the respective oscillation rotational axis and at least one oscillation drive motor to serve exclusively for driving the oscillation mass units of this oscillatory arrangement. The oscillation mass units of different oscillatory arrangements can be offset from each other in the direction of the roll rotation axis.

Abstract: A soil compactor is described. The soil compactor includes at least two vibrating compacting rollers rotatable about a respective roller axis of rotation. The soil compactor further includes a vibration excitation arrangement assigned to each vibrating compacting roller of the at least two vibrating compacting rollers for generating a vibrating movement of the at least two vibrating compacting rollers. The soil compactor also includes a sensor arrangement assigned to the soil compactor for providing a feedback signal indicative of sound or a structural vibration of the soil compactor. The soil compactor yet further includes a control unit receiving the feedback signal for controlling at least one vibration excitation arrangement, based on the feedback signal, such as to act on a phase offset of the vibrating movements of the at least two vibrating compacting rollers with respect to one another.

Abstract: A method for determining the compaction state of a subgrade to be compacted using a roller compactor comprising at least one compactor drum having an oscillation-inducing arrangement and rotatable about a drum axis of rotation comprising the following steps: during at least one period of oscillating movement of the compactor drum, repeatedly determining the acceleration of the compactor drum in an first direction, representing a first acceleration value; in association with each first acceleration value, determining an acceleration of the compactor drum in a second direction representing a second acceleration value in order to provide acceleration value pairs, each consisting of a first acceleration value and a second associated acceleration value; and for at least one oscillation period, defining a compaction state value representing the compaction state of the subgrade based upon the period of oscillation determined for said acceleration value pairs.

Abstract: A method is provided for the correction of a measured value curve by eliminating periodically occurring measurement artifacts. The method includes steps of provision of a measured value curve representing a periodically repeating event, division of the measured value curve into period-measured value curves allocated to a plurality of successive periods of the periodically repeating event, based on the period-measured value curves allocated to the plurality of periods, determination of a mean period-measured value curve, formation of a difference between the period-measured value curves allocated to the plurality of periods, and the mean period-measured value curve for the provision of the difference-period-measured value curves allocated in each case to the periods, and based on the difference-period-measured value curves, determination of a corrected measured value curve for the plurality of successive periods of the periodically repeating event.

Abstract: An earth working roller for use in an earth working machine includes a roller drum, which extends in a direction along a roller axis of rotation, surrounds a roller interior, and has a circular outer circumferential contour, wherein a substrate breaking configuration is provided on the outer circumferential surface of the roller drum. The substrate breaking configuration includes a plurality of impact bars along the roller drum in the direction of the roller drum axis of rotation, as well as a plurality of breaker bars along the roller drum in a circumferential direction.