Coring bit suitable for soft-hard drilling objects
A coring bit and bit technology, applied in the field of space drilling, can solve the problems of unclear lunar soil drillability, difficulty in designing coring bits, limited understanding of lunar soil, etc., to achieve strong adaptability, improve cutting efficiency, and reduce heat The effect of power consumption
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[0023] The present invention will be further explained below in conjunction with the drawings:
[0024] Please refer to image 3 , Figure 4 with Figure 5 , image 3 It is a structural schematic diagram of a core bit suitable for soft-hard drilling objects according to the present invention, Figure 4 It is a schematic diagram of the end face structure of the core bit suitable for soft-hard drilling objects according to the present invention, Figure 5 It is a schematic diagram of the structure of the limiting member between the rivet 6 and the cutting tool 3 of the core bit suitable for soft-hard drilling objects of the present invention.
[0025] A core drill bit suitable for soft-hard drilling objects, comprising a drill bit base 1 and a cone-shaped head 2 arranged below the drill base 1. The drill base 1 is in the shape of a hollow cylinder and is provided on the upper end of the drill bit. Drill pipe connecting part, the inner diameter of the opening of the cone-shaped head ...
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