The hauling system is adopted in accordance with the results of the study. Critical equipment, such as the large tonnage winch and passive unreeling machine, are manufactured.
通过研究，采用了双线往复门架式牵引系统，自主研制了能实现均衡放索的大吨位主牵引卷扬机、被动放索机构等关键机具。
The invention relates to hoisting, pulling, hauling equipment, in particular to an infinite variable speed hoisting winch.
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。
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