手扳葫芦是一款使用简单，携带方便的手动起重工具。手扳葫芦可以进行提升、牵引、下降、校准等作业。起重量一般不超过50T。广泛地应用于造船、电力、运输、建筑、矿山、邮电等行业的设备安装，物品起吊、机件牵拉等。
Hand squash is a simple, easy to carry hand lifting tool. Hand squash can be promoted, traced, reduced, calibrated and so on. The weight is generally not more than 50T. It is widely used in the installation of equipment in shipbuilding, electric power, transportation, construction, mining, post and telecommunications and other industries, such as lifting articles, pulling machine parts and so on.
1.严禁超载使用，严禁擅自加长手柄使用，严禁用人力以外的其它动力操作；
1. strictly prohibit the use of overloading, strictly prohibit the use of lengthened handles without authorization, and strictly prohibit the use of other power operations other than manpower.
2.在起吊起重物时，严禁人员在重物下做任何工作或行走，防止发生人身事故；
2. when lifting heavy objects, it is strictly forbidden to do any work or walk under heavy objects to prevent accidents.
3.使用前必须确认机件完好无损，传动部件及起重链条润滑良好，空转情况正常；
3. before use, it must be confirmed that the machine parts are intact, the transmission parts and the lifting chain are lubricated well and the empty turn is normal.
4.使用前应检查上下吊钩是否挂牢。应使载荷加在吊钩的钩腔中央。起重链条不得有错扭曲弯曲的链环，以确保安全；
4. check whether the hooked hook is hung up before use. The load should be added to the center of the hook cavity. The lifting chain must not have the wrong twisting and bending chain to ensure safety.
5.使用时如果发现手扳力时应立即停止使用，并进行检查；
5. if the hands are found to pull the force, it should be stopped immediately and checked.
A.重物是否与其他物件牵连；
Whether the A. weight is associated with other objects;
B.葫芦机件有无损坏；
B. Hulu machine parts have no damage.
C.重物是否超出了葫芦的额定载荷；
Whether the C. weight exceeds the rated load of the gourd.
6.不准违规操作，不准把葫芦放置在雨中或很潮湿的地方；
6. no illegal operation is allowed, and the gourd is not allowed to be placed in the rain or very humid places.
7.严禁6吨的葫芦的下钩在两行链条中间翻转；
7. the hooked hook of 6 tons of gourd is turned over in the middle of the two chain chain.