联系人：张经理 13933002678

 五一牌手拉葫芦脱钩现象，一直都没有得到完全的解决。不少工程在进行过程中，发生手拉葫芦的上钩从上钩横梁中突然脱落的事故。脱钩一般指的是在吊钩横梁一侧固定滚珠的螺钉已经从螺钉孔内退出，滚珠通过螺钉孔全部跑到了环槽外。针对上述手拉葫芦脱钩现象，主要有以下四种解决方案：
"51 players pull gourd" decoupling phenomenon, has not been completely resolved. In the course of many projects, the hook of the hand hoist came to an abrupt fall from the hooked beam. Decoupling generally refers to the ball on the side of the hook beam fixed ball screws have been removed from the screw hole, the ball through the screw hole all ran out of the ring groove. In view of the above hand chain hoist decoupling phenomenon, there are four main solutions:

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       1、按起重工具管理规定对手拉葫芦做其额定负荷1.25倍起重量的负荷试验。2、对于新购进的手拉葫芦等起重工具在投入使用前一定要作全面检查，尤其要重点检查吊钩横梁端部螺钉孔的铆固情况。3、选择手拉葫芦等起重工具一定要选购正规厂家生产的合格产品。4、检查好吊钩的安全卡扣，是否牢靠有弹性。
1, according to lifting tools management regulations, the opponent pull the hoist to do its rated load 1.25 times the weight of the load test. 2, for the newly purchased hand hoist and other lifting tools, before being put into use, must make a comprehensive inspection, in particular, should focus on checking the end of the hook beam screw hole rivet solid situation. 3, choose hand hoist and other lifting tools, we must buy regular manufacturers of qualified products. 4. Check the safety buckle of the hook, whether it is firm and elastic.
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