A middle digging pile sinking device for large-diameter pipe piles
A technology for large-diameter pipes and pipe piles, which is applied to the field of excavation and pile driving devices in the middle of large-diameter pipe piles, can solve the problems of high construction noise, high cost, easy deviation, etc., and achieves the effects of high efficiency and low safety cost.
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[0011] Such as figure 1 Shown is a large-diameter pipe pile intermediate excavation pile sinking device, including an auger rod 1, a pipe pile 2, a soil storage box 3 and a power head 4, and the pipe pile 2 is a cylinder with a circular through hole in the middle, Both sides of the bottom top of the pipe pile 2 are set in the shape of sharp knives, the auger rod 1 is inserted into the pipe pile 2, and the top of the auger rod 1 is provided with a hole leading directly to the drill bit. The upper end of the rod 1 is connected to the power head 4, and the lower end is connected to a reversing wing spreader bit 7. The upper end of the pipe pile 2 is provided with the soil storage box 3, and the pipe pile 2 is connected to the soil storage box. An intermediate support 5 is inserted into the connection of the box 3, and the intermediate support 5 is fixed with the column of the external power equipment to stabilize the pipe pile. A certain part of the lower part of the pipe pile 2 ...
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