當管道和氣缸的容量很大時，應首先放入足夠的油
液壓啟閉機油箱內的液壓油應始終保持正常油面The hydraulic oil in the oil tank of the hydraulic hoist should always maintain a normal oil level當管道和氣缸的容量很···
液壓啟閉機油箱內的液壓油應始終保持正常油面The hydraulic oil in the oil tank of the hydraulic hoist should always maintain a normal oil level當管道和氣缸的容量很···
鋼制閘門主要用于給排水、水電、水利工程中，用以截止、疏通水流或調節水位。本廠綜合國內外先進結構及工藝，對閘門已做了多次改進，形成批量生產，多種規格出口遠銷。 鋼制···
閘門啟閉機可按不同特征進行分類：Gate opening and closing machines can be classified according to different characteristics:①按操作動力可分為人力、電力、液力。①···
卷揚式平門啟閉機選用指南Guide for the selection of winch type flat door hoistsQPQ、QPK、QPT、QPG型啟閉機選用指南Selection Guide for QPQ, QPK, QPT, QPG Type Hois···
All mechanical parts, connecting devices, lubrication system electrical equipment and control system of the hoist can work normally.啟閉機的所有機械部件,連接裝置···
What conditions should be met for steel gate opening and closing force detection?鋼閘門啟閉力檢測應該滿足什么條件?1 The structure of the door slot is in good co···
Installation steps of side roll hoist:側搖啟閉機的安裝步驟：(1) When installing the screw opening and closing, be sure to keep the base foundation layout plane ···
Side swing screw hoist = manual screw hoist側搖螺桿啟閉機=手動螺桿啟閉機1. The side swing hoist is reasonable in design, easy to operate, flexible, easy to inst···