More small bridge crane brake

More small bridge crane brake, reducer and motor group synthesis drive mode, the integration of the "triad" big lifting sino hoist of ordinary bridge crane for ease of installation and adjustment, drive often adopt universal coupling. Crane operation normally just four driving and driven wheels, if the weight is very big, hoist gantry crane used to increase the wheel round ways to reduce pressure. When the wheels for more than four, must adopt balanced articulated frame device, make the crane load evenly distributed on each wheel.