Hoist Gear Box Reducers

The crane reducer is a standard reducer dedicated to the crane industry. It is called the "QY" series. It is widely used in bridge cranes, door cranes, beam cranes, shiplifts, and closed -closing machines. The basic models are: QY3S, QY3D, QY4S, QY4D, QY34S, QY34D. There are 15 specifications in the entire series: 160, 180, 200, 225, 250, 280, 355, 400, 450, 500, 560, 630, 710, 800. The crane reducer uses a three-level or four-level hard-to-to-to-to-to-tank cylindrical gear. The transmission ratio is: 16-500, and the output torque: 2800Nm-355000Nm. All the boxes are welded with steel plates, and the gears are all low-carbon alloy steel, carburizing quenching, HRC54-62. After grinding tooth processing, the accuracy is 6, the weight is lighter, and the operation is reliable. There are many options for the low -speed axis of the crane reducer: cylindrical shaft (type P), flower keys axis (H type), and gear shaft extension (type C). The crane reducer should be selected according to the wor…

ZLY Gearbox Pump Drive Gearbox Hoist Gearbox ZSY Gearbox DCY Gearbox