当选择吊索具规格时，必须把被起吊的负载的尺寸、重量、外形，以及准备采用的吊装方法等共同影响的使用方式系数列入计算考虑，给出的极限工作力的要求，同时工作环境、负载的种类必须加以考虑。 必须选择既有足够能力，又能满足使用方式的恰当长度的吊索具，假如多个吊索具被同时使用起吊负载，必须选用同样类型吊索具；扁平吊索具的原料不能受到环境或负载影响。 无论附件或软吊耳是否需要，必须慎重考虑吊索具的末段和辅助附件及起重设备相匹配。

When choosing the specifications of hangers, the coefficients of operation mode affected by the size, weight, shape of the loads to be lifted and the hoisting method to be adopted must be taken into account in calculation. The requiremenwww.chuanganqii.cnwww.biansongqii.cnwww.baohuqi.net.cnwww.xiaoxieqi.net.cnwww.chua

nganqi.org.cnwww.bileiqi.org.cnts of the maximum working force given, as well as the working environment and the types of loads, must be taken into account. It is necessary to select the appropriate length of sling which has sufficient capacity and can satisfy the use mode. If multiple slings are used simultaneously, the same type of sling must be selected. The raw materials of flat sling can not be affected by environment or load. Whether accessories or soft lifting lugs are needed or not, careful consideration must be given to the matching of the end of the sling with auxiliary accessories and lifting equipment.