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齿轮箱典型故障类型
Through the analysis of the practical application of the gearbox, it is not difficult to determine its fault. The whole gearbox system includes bearings, gears, transmission shafts, box structures and other components. As a common mechanical power system, it is very prone to failure of mechanical parts while it is moving continuously, especially the three parts of bearings, gears and transmission shafts. The probability of other failures is significantly lower than them.
当齿轮执行任务时，由于各种复杂因素的影响，它缺乏工作能力。功能参数的值超过最大允许临界值，这导致典型的齿轮箱故障。也有各种各样的表达形式。从整体情况来看，主要分为两类: 第一类是在累积的旋转过程中逐渐产生齿轮。由于齿轮箱的外表面承受相对较大的载荷，因此在啮合齿轮的间隙中会出现相对的滚动力和滑动力。滑动过程中的摩擦力正好与杆两端的方向相反。随着时间的推移，长时间的机械运行会导致齿轮胶合，裂纹的发生和磨损的增加将使齿轮断裂不可避免。另一类故障是由于工作人员在安装齿轮时因不熟悉安全操作流程或违反操作规范和要求而疏忽大意，或在初始制造中为故障的发生埋下了隐患。这种故障往往是由于齿轮的内孔和外圆不在同一中心上，齿轮交互啮合中的形状误差和轴线分布不对称。
In addition, in each accessory of the gearbox, the shaft is also a part that can easily be lost. When a relatively large load impacts the shaft, the shaft will quickly deform, directly inducing this fault of the gearbox. When diagnosing the gearbox fault, the effect of shafts with different deformation degrees on the gearbox fault is inconsistent. Of course, there will also be different fault performance. Therefore, the shaft distortion can be divided into severe and mild. The unbalance of the shaft will lead to failure. The reasons are as follows: when working in a heavy load environment, deformation is inevitable over time; The shaft itself has exposed a series of defects in many technological processes, such as production, manufacturing and processing, resulting in a serious imbalance of the newly cast shaft.
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