Reaming method of a non-circular impact reaming device for bored piles
A technology for non-circular, bored piles for use in drilling equipment and methods, drives for drilling in boreholes, drill bits, etc.
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[0018] The specific embodiments of the present invention will be further described below in conjunction with the accompanying drawings. It should be noted here that the descriptions of these embodiments are used to help understand the present invention, but are not intended to limit the present invention. In addition, the technical features involved in the various embodiments of the present invention described below may be combined with each other as long as they do not constitute a conflict with each other.
[0019] Such as figure 1 The shown non-circular impact reaming device for bored piles includes a control spindle 1, which is a tubular structure, and the control spindle 1 is sequentially provided with a driving device and an impact energy transmission device from top to bottom. , a reamer 6 and a slag hopper 8, the drive device is fixedly connected to the control spindle 1, the impact energy transfer device is fixedly connected to the drive device, and the impact energy...
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