Abstract: The invention relates to a ground working device comprising a carrier implement, a mast that forms a mast sequence and has a lower mast part, which is linked to the carrier implement, an upper mast part and at least one mast extension piece, whereby for the purpose of increasing the mast length the mast extension piece is removably inserted into the mast sequence between lower mast part and upper mast part and removed from the mast sequence, and, with the mast extension piece removed, the upper mast part can be fixed directly on the lower mast part, a work sledge which is guided in a displaceable manner along the mast, and at least one feed rope for displacing the work sledge, which runs at least in some areas longitudinally of the mast.

Abstract: The invention relates to a ground working device comprising a carrier implement, a mast that forms a mast sequence and has a lower mast part, which is linked to the carrier implement, an upper mast part and at least one mast extension piece, whereby for the purpose of increasing the mast length the mast extension piece can be inserted into the mast sequence between lower mast part and upper mast part and whereby for the purpose of reducing the mast length the mast extension piece can be released from the upper mast part and the lower mast part and removed from the mast sequence, and, with the mast extension piece removed, the upper mast part can be fixed directly on the lower mast part, a work sledge which is guided in a displaceable manner along the mast, and at least one feed rope for displacing the work sledge, which runs at least in some areas longitudinally of the mast.

Abstract: The invention relates to a construction device comprising a carrier vehicle with an undercarriage, a mast element arranged at the front side of the carrier vehicle and a winch drum, which is supported in a rotatable manner on the carrier vehicle. In accordance with the invention provision is made for the winch drum to be adjustable between a first position, in which it is arranged on the upper side of the carrier vehicle, and a second position, in which it is arranged in a rear portion of the carrier vehicle.

Abstract: The invention relates to a construction device comprising a carrier vehicle with an undercarriage, a mast element arranged at the front side of the carrier vehicle and a winch drum, which is supported in a rotatable manner on the carrier vehicle. In accordance with the invention provision is made for the winch drum to be adjustable between a first position, in which it is arranged on the upper side of the carrier vehicle, and a second position, in which it is arranged in a rear portion of the carrier vehicle.

Abstract: The invention relates to a winch for a construction machine having a cable drum for receiving a cable and a winch support on which the cable drum is mounted in rotary manner about a rotation axis. The cable drum is swivellably mounted about a swivel axis with respect to the winch support and said axis is directed transversely to the cable drum rotation axis. The invention also relates to a construction machine with a winch and a method for operating a winch.