Drilling rig is mainly used for geological general investigation and exploration,road and tall buliding foundation exploration,kinds of hole in concrete structure,river levees,subgrade grouting hole,drilling and driect grouting,civil wellsand earth temperature central air-conditioner,etc.
a. Large engine power and two reverse rotation gears, can easily solve the drilling work accident.
b. The operation handles are fixed together in reasonable layout to make it more convenient for workers to operate the machine.
c. Equipped with normally closed hydraulic chuck, operation is flexible and reliable
d. Spindle and hoist can be operated separately.
e. Spindle has big inner diameter, able to use big hexagonal drilling rod.