A core regulating pad ring is padded on the lower ring of the thrust bearing, which can make the hook swing in any directions corresponding to the connecting cylinder.

在推力轴承下圈垫上调心垫圈，可使吊钩相对连接筒在任意方向上摆动。

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The ring will jump up the core and, if it does not fly clear of the core, will bounce up and down in a swing-like manner, finally coming to rest at a point some distance up the core from the coil.

环会跳起来的核心，如果它不飞的核心明确，将反弹向上和向下挥杆样的方式，终于来到休息点一些，从线圈核心的距离。

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