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中小型工厂维修或安装设备时,常用三脚扒杆挂上起重葫芦作为起重工具,但装卸起重葫芦是比较困难的。我们改进后只需一个人就能轻松地把起重葫芦装上去或卸下来,改进方法如下。在扒杆顶部吊环3的两侧,分别装上一个小滑轮2和双联小滑轮5(附图),并在靠近滑轮5的一支扒杆脚上离底端750毫米处焊一M18螺母,并拧入一根带螺纹的轮轴8,轴上装绳轮7。把绳I(能承受葫芦重量即可)的
Small and medium-sized factory maintenance or installation of equipment, often using three-foot pole hanging hoist lifting gear as a lifting tool, but loading and unloading lifting hoist is more difficult. We can easily lift or remove the hoist with only one person after improvement. The improvement method is as follows. On the two sides of the top hoop ring 3, respectively, fitted with a small pulley 2 and a double small pulley 5 (with photos), and near the pulley 5 foot bar from the bottom of a 750 mm M18 nut welding a , And screw in a threaded axle 8, the shaft mounted rope wheel 7. The rope I (can withstand the weight of the gourd)