偏心盘作反方向偏心旋转时支撑杆随偏心盘作向下方向旋转，使举重器下降复位。
When the eccentric disc rotates in the positive direction, the support rod is driven to rotate upwards so as to lift weight.
“底段可调高偏心盘加压式快速举重器”。是一项灵敏性能较高，其举升效率较别的型式举重器要高得多，能广泛用于建筑施工，设备维修，汽车轮胎更换等重物的举升工作。
A fast weight lifter with high sensitivity and very high lifting efficiency may be used widely in construction, equipment maintenance, vehicle tyre replacement and other place needing weight lifting.
对磨齿机中常用的展成机构——万能滚圆盘的工作台展成长度、展成和差动曲柄盘的偏心量调整的计算过程进行了推导分析。
In this paper, the adjustment parameters of universal rolling disk in gear grinding machine, such as generating length, eccentric distance of generating and differential crank disk are calculated.
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