KQZ-100D Air Pressure and Electricity Joint-action DTH Drilling Rig

1. The brief introductions of KQZ-100Dair and electric drilling machine

KQZ-100D drilling rig is a new type of high efficient rock drilling equipment, designed for water conservancy projects and building materials sites. It is widely used for drilling in all kinds of rock stratum and drill hole. For example, water conservancy and construction slope treatment.

KQZ-100D drilling rig is an impact rotary drilling rig. Its internal structure is different from the general drilling machine. Its gas distribution and piston reciprocating mechanism are independent with each other. The front end is directly connected to the bit, and the back end is connected to the drill pipe. When it is divided into the hole, the impactor will rotate in hole. the piston (hammer body) in the impactor is made reciprocating to strike the drill tail through the valve, making the drill produce a kind of gyration force to the rock bottom.

2. The features of air and electric drilling machine

Small volume, light weight, suitable for large and medium-sized drilling rig can not workplace, convenient and flexible.

3. The specifications of air and electric drilling machine

KQZ-100D
Borehole diameter	mm	65-150
Borehole depth	m	20-25
Rotating speed of drilling tools	r/min	90
Air consumption	m³/min	6-8
Cylinder diameter	mm	150
Drilling pipe	mm	50/ 60
Motor power	kw	4
Main engine length	mm	2400
Main engine weight	kg	224

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