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HQ-30液压千斤顶是在混凝土工程中用来提升活动模板的。其结构及主要零件分别示于图1、图2和图3。它由座(1)、缸筒(2)、排油弹簧(5)、上卡头(6)、油盖(12)、行程调整帽(13)、活塞(17)、钢球(19)、卡头小弹簧(20)、下卡头(21)及密封圈等组成。将模板与千斤顶底座(1)相连。千斤顶穿在预设的导杆上。即利用上、下卡头小弹簧(20)将钢球(19)与预设的导杆顶紧,使千斤顶固着于导杆上。千斤顶有两个油嘴,一个进油,一个
HQ-30 hydraulic jack is used in concrete works to enhance the activities of the template. Its structure and main parts are shown in Figure 1, Figure 2 and Figure 3 respectively. The utility model is composed of a seat (1), a cylinder barrel (2), an oil drain spring (5), an upper chuck head (6), an oil cap (12), a stroke adjusting cap (13) , Chuck a small spring (20), the next head (21) and seals and other components. Connect the template to the jack base (1). Jack worn on the pre-guide rod. That is to say, the steel ball (19) is pressed tightly against the preset guide rod by using the small spring (20) of the upper and lower clamps to fasten the jack on the guide rod. Jack has two nozzles, one into the oil, one