Improved mechanical stepless variable speed hoister

• Main Authors: JINGWEI CHEN, GUIHUA JING, LIUSHENG WANG
• Format: Patent
• Language: English
• Published: 28.07.2004
• Edition: 7
• Subjects: CAPSTANS; HAULING; HOISTING; HOISTS; LIFTING; PERFORMING OPERATIONS; TACKLES, e.g. PULLEY BLOCKS; TRANSPORTING; WINCHES

An innovative mechanical stepless speed adjustable winch, the output shaft of a speed adjusting decelerator is connected with the main shaft of a winding drum, the outer end of the input shaft of the speed adjusting decelerator is connected with the main shaft of a motor, the inner end of the input shaft is arranged with a sun wheel, the planet wheel is meshed with the sun wheel and the inner gear wheel at the same time, the inner gear wheel is arranged immovably on the support bracket, the right end of the inner cavity of the support bracket is sleeved on the input shaft, the left end of the planet wheel bracket is connected immovably with the braking shaft, a second grade decelerating mechanism composed of four gears is arranged on the braking shaft, the middle shaft and the output shaft, the outer end of the support bracket is arranged immovably with a speed adjusting wheel, on the outer circumference of the speed adjusting wheel, a hydraulic pressure block type arrester controlled by hydraulic pressure oil cylinder is arranged. The utility model is characterized in that the speed adjusting scope is wide, the device is stepless speed adjusting, the explosion prevention performance is good, the device is energy economizing, the assembly and disassembly is convenient, the maintenance is simple, the structure is compact, the sealing is convenient, the heat radiation effect is good, and the device can reduce the labor strength, the operation is reliable and safe, so that the utility model is applicable for the fields such as mine and construction industries that need to use the winch.