盂县苌池公社神泉大队,在治山治水大搞农田水利基本建设中,制成了一种适于搬运巨石、垒坝的简易起重机。其特点是,成本低,制作容易,使用省力,操作安全。简易起重机主要由三部分构成。第一部分是底座:先做一个“井”字形木架,以架头为轴,装上四个可以滚动的木轮,便于移动,然后在架上绑一个旧铁车轮。第二部分是支柱:在铁车轮的轴孔内,插一根8尺 Yuxian Mianchi commune Shinsen Battalion, water conservancy management of water conservancy projects in rural areas, made a suitable for carrying boulders, base dam simple cranes. Its characteristics are low cost, easy to make, easy to use and safe to operate. Simple crane mainly consists of three parts. The first part is the base: first make a “well” -shaped wooden stand, take the head as the axis, install four rolling wooden wheels, easy to move, and then tie an old iron wheel on the shelf. The second part is the pillar: in the iron wheel shaft hole, insert a 8 feet