Crane boom and using method thereof

Abstract

According to the crane boom, one end of a first limb rod and one end of a second limb rod are hinged to a rotary table, and the other end of the first limb rod makes contact with the other end of thesecond limb rod. A first lifting hook group is arranged at the other end of the first limb rod, and a second lifting hook group is arranged at the other end of the second limb rod. A first variable-amplitude winding mechanism bypasses the top end of a propeller strut, and the two ends of the first variable-amplitude winding mechanism are connected with a first variable-amplitude winch and the other end of the first limb rod respectively and used for driving the first limb rod to rotate around a hinge point in a variable-amplitude mode; a second variable-amplitude winding mechanism bypasses thetop end of the propeller strut, and the two ends of the second variable-amplitude winding mechanism are connected with a second variable-amplitude winch and the other end of the second limb rod correspondingly and used for driving the second limb rod to rotate around the hinge point in a variable-amplitude mode; a first hoisting winding mechanism bypasses the top end of the propeller strut, and two ends of the first hoisting winding mechanism are respectively connected with a first hoisting winch and the first lifting hook group and used for driving the first lifting hook group to lift; and asecond hoisting winding mechanism bypasses the top end of the propeller strut, and two ends of the second hoisting winding mechanism are respectively connected with the first hoisting winch and the second lifting hook group and used for driving the second lifting hook group to lift.

Description

technical field [0001] The invention relates to the technical field of hoisting equipment, in particular to a crane jib and a using method thereof. Background technique [0002] The pursuit and exploration of clean energy has led to the continuous development of wind power generation technology, and the economic benefits have become increasingly significant. However, my country has a vast sea area suitable for the development of wind power generation, and offshore wind farms can develop wind turbines with high power and long effective working hours every year. With the increase in the size of offshore wind power hoisting components, the tonnage of cranes is getting higher and higher, and the requirements for diversification of hoisting capabilities are also getting higher and higher. [0003] Because the jib of a large crane cannot be tormented, the luffing winding method of the jib of the existing offshore hoisting equipment makes the traditional large crane unable to bear...

AI Technical Summary

Problems solved by technology

[0003] Because the jib of large cranes cannot be twisted, the luffing winding method of the jib of existing offshore hoisting equipment makes traditional large cranes unable to bear unbalanced loads, and cannot independently complete operations such as straight piles and pile laying.

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