论文部分内容阅读
介绍了一种新型的内卡式器具多功能液压升降器它不仅可以在固定的支撑物上提升下放或拖动重物亦可在固定的钢索方钢圆钢等物体上持重爬行结构新颖方便灵活有广泛的实用价值和应用前景
This paper introduces a new type of multi-functional hydraulic lifter with inner card type device which not only can lift, drag and drop heavy objects on the fixed supports, but also can be used in the fixed steel wire bar Flexibility has a wide range of practical value and application prospects