The transmission shaft hanger is usually located in or below the middle beam of the frame. Some hangers are bolted in the beam, and some are hoisted under the beam.The hanger has double sets of ball bearings and a bearing seat, and a rubber ring pad of different shapes is used to attach between the periphery of the bearing seat and the hole of the hanger seat.

　　The drive shaft is unbalanced, endangering safe driving.If the drive shaft is unbalanced, the following methods can be used to judge: plug the front wheel of the car with pads, jack up the middle and rear drive axles on one side of the car; start the engine, put on high gear, and observe Vibration of the drive shaft.During the observation, notice that when the speed drops, if the shimmy increases significantly, it indicates that the drive shaft is bent or the flange is skewed.

　　The bending of the transmission shaft is the bending of the shaft tube, most of which are caused by the overload of the car.Due to overloading and overhanging of coal-carrying vehicles, more failures occurred due to bending and breaking of drive shafts.If some trucks and trailers transport more than 60 tons of coal, the drive shaft is seriously damaged due to overloading and overhanging.Although the intermediate support of the transmission shaft was strengthened and the strength of the flange fork was strengthened, the failure of fracture and damage still occurred.

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