Machine drilling end reaming drill bit special for filling pile, and construction method thereof
A cast-in-place pile and tip technology, which is applied to drill bits, sheet pile walls, drilling equipment, etc., can solve problems such as large gaps, uncertain sizes, and inability to adapt to the adjustment of reaming diameters, so as to reduce the possibility of damage and reduce The effect of cost consumption
Active Publication Date: 2018-11-30
四川锦城智信建设工程有限公司
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Abstract
The invention relates to a machine drilling end reaming drill bit special for a filling pile, and a construction method thereof, and belongs to the technical field of filling piles. The machine drilling end reaming drill bit comprises a reducer union connected with a drill rod, and a plurality of cutter frames. The cutter frames comprise two strip-shaped cutter frames which are mutually hinged. The machine drilling end reaming drill bit further comprises an adjusting piece. The adjusting piece comprises an adjusting rod and a sliding rod. One end of the adjusting rod is connected with the strip-shaped cutter frames, and connecting points are located on the strip-shaped cutter frames hinged to the reducer union. The sliding rod is sleeved with the adjusting rod. Outer sleeving rods are provided with a plurality of adjusting holes in the axial direction of the outer sleeving rods. The sliding rod is provided with a limiting hole. Fixing pieces used for limiting the total length of the adjusting piece are arranged at the adjusting holes and the limiting hole in a penetrating mode. When the drilling diameter of the special drill bit is changed, an operator fixes the fixing pieces to the different adjusting holes, and thus the diameter of a reamed hole can be changed by changing the total length of the adjusting piece.
Application Domain
Drill bitsBulkheads/piles
Technology Topic
EngineeringDrill bit +2
Image
Examples
- Experimental program(2)
Example Embodiment
Example Embodiment
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