打捞爪是山东省群众在抗旱打井工作中创造的一种打捞工具。它适用于打捞掉进井内的砖瓦石块及其他另星工具等。具有结构简单,制造容易,花钱少,效果好等优点。打捞爪由收缩环、收缩扁钢、爪齿、转动轴等构件组成(见示意图),自重15.5斤。两个对称收缩环与两个对称的收缩扁钢分别焊在一块,成椭园形,沿长方向的间距为320毫米,对称转动轴间距为300毫米。打捞 The fishing claw is a fishing tool created by the masses in Shandong Province in the fight against wells. It is suitable for retrieving brick stones and other satellite tools that are dropped into wells. It has the advantages of simple structure, easy manufacture, low cost and good effect. The fishing claw is composed of a shrink ring, shrink flat steel, claw teeth, rotating shaft and other components (see diagram), with a weight of 15.5 pounds. The two symmetric shrink rings were welded together with two symmetrical shrink flats in an oval shape with a spacing of 320 mm in the longitudinal direction and a symmetrical rotational axis spacing of 300 mm. salvage