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[CN 201880030448.4] air hammer bit for crushing reinforced concrete structures
[CN 201880030448.4] Air Hammer Bit for Breaking Reinforced Concrete Structures Title: Air Hammer Bit for Breaking Reinforced Concrete Structures Application Number: CN 201880030448.4 Applicant: Park Yingze Application Date: 2018-3-26 Patent Type: Invention Application The present invention relates to an air hammer bit, wherein the air hammer includes a cylinder, a piston and an air hammer bit, the cylinder works by air pressure, and the piston moves up and down inside the cylinder, the air hammer drill is combined with a piston to break a reinforced concrete structure by up and down vibration and rotation. The air hammer drill is characterized by comprising: a drill shaft (100), which functions as a drill main body; a diameter expansion part (200), which expands the diameter at the lower end of the drill shaft (100); and a plurality of carbide bits (300) for excavation, inserted into the surface of the above-mentioned enlarged diameter portion (200) in a protruding manner; and the cutting block (400), which can be combined with the above-mentioned enlarged diameter portion (200) in a detachable manner, by protruding from the surface of the above-mentioned enlarged diameter portion (200) to cut the rebar in the process of crushing the concrete structure.
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