摘要： 简单介绍了船闸运行对启闭机的基本要求, 提出了QPQ 卷扬式启闭机用于船闸的改型方案选择的原则, 介绍了新坝船闸带平衡重的卷扬机的技术参数及其特点。

Abstract: This paper introduced the basic operation requirements for gate hoist at the ship lock, and put forward choice principles for QPQ lifting hoist used in ship lock renovation project. What' s more, technical parameter and characteristic of the gate hoist with balance weight were introduced also.