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CN101479052A 具有偏心块的机械振动器 有权 转让

具有偏心块的机械振动器
摘要：
一种应用于振动筛或其他设备的机械振动器，包括固定在设备(1)侧壁(2)的轴承套(10)，该轴承套向内对称于中心线(CL)支承着一对轴承(20)；由这对轴承(20)支承的轴(30)，该轴具有内端部分(31)和从轴承套(10)向外伸出的外端部分(32)，其中所述轴(30)的内端部分(31)和外端部分(32)分别附连着第一平衡物(70)和第二平衡物(80)。所述第一和第二平衡物分别具有不同质量的第一和第二偏心块(M1，M2)，其尺寸被制造成使得所述第一和第二平衡物(70，80)在轴承(20)上产生相同的载荷。所述第二平衡物(80)被构造成可选择和可拆卸地附连一第三平衡物(90)，该第三平衡物(90)具有第三偏心块(M3)，所述第三偏心块保持与轴承套(10)的中心线(CL)对准，以产生振动器(V)的总偏心质量的变化，而不会改变轴承(20)上载荷分布的平衡。
摘要（英）：

The mechanical vibrator is applied to vibrating screens or other equipment and comprises a bearing housing (10) to be affixed to a side wall (2) of the equipment (1), to carry a pair of bearings (20) which support a shaft (30) having an inner end portion (31) and an outer end portion (32) which respectively affix a first and a second counterweight (70, 80). The first and the second counterweights (70, 80) have respective first and second eccentric masses (M1, M2) of different values and which are positioned and dimensioned so that the first and the second counterweight (70,80) generate equal loads on the bearings (20). The second counterweight (80) is constructed to selectively and removably attach a third counterweight (90) presenting a third eccentric mass (M3) maintained aligned with the center line (CL) of the bearing housing (10), to provide a variation of the total eccentric mass of the vibrator (V), without changing the balance of the load distribution on the bearings (20).

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