DTH hammer is a pneumatic device that can produce impact effect. Its basic structure is generally composed of gas distribution mechanism, internal and external cylinder and piston.
Working principle of air DTH hammer
By constantly changing the inlet and exhaust direction, the piston in the cylinder can be constantly reciprocating movement, so as to constantly hammer the drill, which is the simplest principle and process of the work of the pneumatic DTH hammer. The mechanism that causes the control to repeatedly change the direction of the inlet and outlet compressed air is called the valve mechanism. The valve mechanism is the core part of the hammer. When the compressed air enters the front air chamber, the piston is pushed up, and when the compressed air enters the rear air chamber, the piston is pushed down. The piston is an energy conversion device of the hammer. It relies on the movement of the piston to convert the energy of compressed air into the mechanical energy of impact, which is generally expressed as the impact energy, and the impact energy depends on the weight and movement speed of the piston.
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Post time: Nov-25-2021