本发明涉及一种提升牵引、拖运设备，具体为可无级变速的绞车。
The invention relates to hoisting, pulling, hauling equipment, in particular to an infinite variable speed hoisting winch.
本实用新型挂入拖车架即可拖动油田钻井设备搬移，当伸缩臂伸出后还可拖运油田的超宽设备。
The utility model drag oil field boring equipment to move after hanging into a trail frame, and the telescopic arm can haul oil field super wide equipment after extending out.
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