Isoline rope discharge device for tower crane hoisting mechanism

• Main Authors: ZHOU SHENGYU, LIU ZUNZHENG, GUO CHONGSONG, WANG JIANJUN
• Format: Patent
• Language: English
• Published: 28.01.2015
• Subjects: CAPSTANS; HAULING; HOISTING; HOISTS; LIFTING; PERFORMING OPERATIONS; TACKLES, e.g. PULLEY BLOCKS; TRANSPORTING; WINCHES

The invention discloses an isoline rope discharge device for a tower crane hoisting mechanism, and belongs to the technical field of tower cranes. The isoline rope discharge device comprises a steel wire rope, a drum, a rope discharge shaft and a rope discharge wheel; on the basis of the original structure, the rope discharge shaft adopts an isoline rope discharge shaft, an isoline is a section of arc line, the circle center of the arc line is a crossing point of the normal line of a deflection angle alpha and the centerline, the radius of the arc line is the length of the normal line between the crossing point and a tangential point, the two end points of the arc line are crossing points of the two end surfaces of the rope discharge shaft and a vertical surface, a circular hole which is formed in the center of the rope discharge wheel corresponds to the isoline of the rope discharge shaft, and the rope discharge wheel movably sheaths the rope discharge shaft through the circular hole. The isoline rope discharge device has the advantages that the defect of sparse steel wire ropes at the two sides of the drum is overcome when the rope discharge rope is discharged, the rope mixing of the hoisting mechanism is reduced, the service lives of the lifting rope discharge wheel and the steel wire rope are prolonged, and the wide application value is realized.