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钻机绞车的额定提升负荷，系指绞车在单绳与其相应的额定转速下的提升负荷。绞车的最大提升负荷。系指绞车在单绳和最低转速下的额定提升负荷，钻机绞车的额定提升负荷是钻机的主要技术性能之一，是合理选择提升系统、充分发挥钻机提升能力的根据，在钻机设计书和产品说明书中均有注明。但是在某些规范和手册中，对同一型号的钻机，其绞车的额定提升负荷出入很大，如目前使用的XB—1000A型钻机，就是其中之一。见表1。
The rated lifting load of a rig winch refers to the lifting load of the winch at a single rope and its corresponding rated speed. The maximum lifting load of the winch. It refers to the rated lifting load of the winch under the single rope and the minimum rotation speed. The rated lifting load of the drilling rig winch is one of the main technical performances of the drilling rig, and it is the basis for the reasonable selection of the lifting system and the full use of the lifting capacity of the drilling rig. The design documentation and products in the drilling rig Instructions are specified in the instructions. However, in some specifications and manuals, for the same type of drilling rig, the rated lifting load of the winch is very large. For example, the currently used XB-1000A drilling rig is one of them. See Table 1.