Three-wing drill bit for pipeline dredging
A three-wing drill bit and pipeline technology, which is applied in waterway systems, water supply devices, buildings, etc., can solve the problems of difficult to expand the drilling surface, time-consuming and laborious, and repeated drilling for many times.
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[0028] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0029] see Figure 1-3 , the present invention provides a technical solution: a three-wing drill bit for pipeline dredging, comprising:
[0030] Drill pipe 1, three wing plates 2 are installed equidistantly on the outer side of drill pipe 1, bracket 3 is installed at the junction of wing plate 2 and drill pipe 1, four mounting holes 4 are evenly opened on the tail end of wing plate 2, and the mounting holes 4 runs through the inner and outer sides of the wing...
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