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1. 发明授权

US5549168A Pile driving apparatus 失效
标题翻译：桩驱动装置
公开(公告)号：US5549168A
公开(公告)日：1996-08-27
申请号：US383822
申请日：1995-02-06
申请人： Richard A. Sadler , Johannes H. Paffhausen
发明人： Richard A. Sadler , Johannes H. Paffhausen
IPC分类号： E02D7/18
CPC分类号： E02D7/18
摘要： A pile driving apparatus including two vibratory hammer units fixed to the top of a support plate having a U-shaped cutout, and a pair of hydraulic clamps fixed to the bottom of the support plate. The support plate is secured to the pile when the hydraulic clamps on the bottom of the support plate engage flanges provided on a hydraulic pile clamp which is clamped to the pile. Hydraulic motors housed within the vibratory hammer units cause the pile to vibrate in a vertical direction, thus gradually driving the pile into the ground. The U-shaped cutout allows the support plate to be positioned on the pile, with the pile passing through the support plate, without having to lift the vibratory hammer and support plate assembly over the top of the pile. This arrangement is particularly advantageous in circumstances where overhanging structures limit the clearance available above the location of the pile. A gate is removably attached to the support plate, across the open end of the U-shaped slot, to add rigidity to the support plate.
摘要翻译：一种打桩设备，包括固定在具有U形切口的支撑板的顶部的两个振动锤单元和固定到支撑板的底部的一对液压夹。当支撑板的底部上的液压夹具接合设置在夹在桩上的液压桩夹上的凸缘时，支撑板固定到桩上。容纳在振动锤单元内的液压马达使桩在垂直方向上振动，从而逐渐将桩驱动到地面中。 U型切口允许支撑板定位在桩上，桩穿过支撑板，而不必将振动锤和支撑板组件提升到桩的顶部上。这种布置在突出结构限制在桩的位置上方可用的间隙的情况下是特别有利的。一个门可以可拆卸地连接在支撑板上，穿过U形槽的开口端，以增加支撑板的刚性。

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