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1.铰接间隙的重要性销轴和轴套(滑动轴承)组成的铰接件是挖掘机、装载机、推土机、起重机、臂架式混凝土泵车、高空作业车等工程机械作业装置常用的铰接装置,合格的铰接件应具有合理的配合间隙,该配合间隙可贮存润滑脂,确保销轴与轴套在相对运动时减少磨损和阻力。铰接件合理的配合间隙,可为销轴与轴套相对运动时产生的热膨胀量留有一定空间,以防止其产生烧结。如果铰接间隙超差,会造成销轴与轴套配合松旷、产生振动、
1. Importance of hinge clearance The articulated joint consisting of a pin shaft and a sleeve (sliding bearing) is a commonly used articulation device for construction machinery such as excavators, loaders, bulldozers, cranes, concrete boom pump trucks, and aerial platforms. The qualified hinges should have a reasonable fit clearance. The fit clearances can store grease and ensure that the pins and bushings reduce wear and drag when they move relative to each other. The reasonable fitting clearance of the hinge member can leave a certain space for the thermal expansion amount generated when the pin shaft and the sleeve move relative to each other, so as to prevent sintering. If the hinge clearance is too bad, it will cause the pin shaft and the sleeve to loosen and vibrate.