The present invention relates to a tower crane, in particular a revolving tower crane, comprising a crane tower composed of a plurality of tower pieces, a main boom arranged at the tower tip, and a counter-boom, wherein at least one main hoist rope is guided over the main boom to take up the load an
The present invention relates to a tower crane, in particular a revolving tower crane, comprising a crane tower composed of a plurality of tower pieces, a main boom arranged at the tower tip, and a counter-boom, wherein at least one main hoist rope is guided over the main boom to take up the load and at least one counter-boom hoist rope is guided over the counter-boom to take up balance weight.
대표청구항▼
1. A tower crane comprising a crane tower composed of a plurality of tower pieces, a main boom arranged at a tower tip, and a counter-boom, wherein at least one main hoist rope is guided over the main boom to take up a load and at least one counter-boom hoist rope is guided over the counter-boom to
1. A tower crane comprising a crane tower composed of a plurality of tower pieces, a main boom arranged at a tower tip, and a counter-boom, wherein at least one main hoist rope is guided over the main boom to take up a load and at least one counter-boom hoist rope is guided over the counter-boom to take up a balance weight. 2. The tower crane in accordance with claim 1, wherein at least one ballast element to ballast the counter-boom is taken up via the counter-boom hoist rope. 3. The tower crane in accordance with claim 1, wherein the counter-boom and the main boom are luffably arranged at the tower tip. 4. The tower crane in accordance with claim 1, wherein the crane tower comprises at least one climb piece at which the counter-boom and/or the main boom is/are luffably taken up. 5. The tower crane in accordance with claim 4, wherein one or more consoles are laterally installed at the climb piece, at which consoles the main boom and/or the counter-boom is/are pivotably supported. 6. The tower crane in accordance with claim 4, wherein the climb piece is movable in a vertical direction by means of a hydraulic cylinder, with the hydraulic cylinder being supported at abutments of the crane tower provided for this purpose. 7. The tower crane in accordance with claim 5, wherein one or more drive units and/or switch cabinets and/or hydraulic tanks are installed within at least one of the consoles. 8. The tower crane in accordance with claim 4, wherein at least two guying frames are provided at the climb piece, with at least one guying frame being connected to a guying rope system of the main boom and at least one other guying frame being connected to a guying rope system of the counter-boom, with a respective guying frame preferably being rotatably supported at a console of the lattice piece and with particularly preferably the guying frame of the main boom being supported at the console taking up the main boom and the guying frame of the counter-boom being supported at the console taking up the counter-boom. 9. The tower crane in accordance with claim 8, wherein the guying frames are connected to one another via a length-adjustable connection. 10. The tower crane in accordance with claim 8, wherein the main boom and the counter-boom are downwardly luffable such that they come to lie laterally at and almost in parallel with the crane tower, preferably by letting out the respective guying rope systems and by extending the rope system connecting the guying frames. 11. The tower crane in accordance with claim 4, wherein the climb piece comprises a pivot bearing to rotate the climb piece about a vertical axis of rotation with respect to the crane tower. 12. The tower crane in accordance with claim 1, wherein at least one auxiliary boom is provided at the counter-boom, with the auxiliary boom in being pivotable at the tip of the counter-boom, and with at least one auxiliary hoist rope being guided over the auxiliary boom. 13. The tower crane in accordance with claim 12, wherein the auxiliary hoist rope or the tip of the auxiliary boom is pivotable over the climb piece of the crane tower to introduce one or more lattice pieces into the climb piece that are taken up by means of the auxiliary hoist rope. 14. The tower crane in accordance with claim 12, wherein the auxiliary boom is pivotable with respect to the counter-boom by means of at least one drive. 15. The tower crane in accordance with claim 1, wherein at least one collar is installed or installable about the crane tower; and in that a guying is spanned between any fixing points of the crane base or of the crane undercarriage and the collar. 16. The tower crane in accordance with claim 1, wherein the tower crane is a revolving tower crane. 17. The tower crane in accordance with claim 5, wherein the one or more consoles are installed at a front side and a rear side of the climb piece lying in a luffing plane. 18. The tower crane in accordance with claim 9, wherein the length-adjustable connection is a rope system. 19. The tower crane in accordance with claim 14, wherein the drive is a hydraulic cylinder. 20. The tower crane in accordance with claim 15, wherein the guying at least partially comprises rope material and/or sheet metal material.
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