桥梁工程灌注混凝土时,经常是用混凝土输送泵将料送至混凝土储料斗,再由储料斗向一个或几个方向输送。施工要求料斗出口上的料门经常地开闭,并操作轻便、开闭灵活。我们设计 When bridge engineering infuses concrete, it is often used by a concrete transfer pump to send the material to a concrete storage hopper and then transported by the storage hopper to one or more directions. The construction requires that the material door at the hopper outlet be opened and closed frequently, and the operation is light and flexible. We design