日刊《机械设计》1982年第26卷14号推荐的一种安全装置,对避免重物搬运机工作过程中由于钢丝绳断裂而造成的危险有实效,特介绍给大家。 这种装置的工作原理如图所示。在绕定轴 A、B可摆动的杆杠 2、3上,设有长孔槽b,长孔槽设有凸缘5及销C。当起重机吊笼被通过顶杆4的吊环a的钢 Journal of Mechanical Design Volume 26, 1982, No. 14, a safety device recommended to avoid the weight of the handling machine due to the risk of wire rope rupture and effective, especially introduced to you. This device works as shown. A long hole b is provided on the lever bars 2 and 3 swingable around the axes A and B, and the long hole slots are provided with a flange 5 and pins C. When the crane cage is passed through the hoops of the jack 4 a