1.This machine gained 3 national practical new-type patents invention.
2.To be equipped with hexagonal vertical shaft and hexagonal drive drilling rod which have the advantages of the strong rigidity and big transfer torque .
3.To be provided with cone plate friction clutch, and big transfer torque.
4.Adopting rolling bearing type hoist, with wide brake band and big lifting capacity.
5.To be equipped with speed reducer and sludge pump in the integrated structure.
6.The entire machine is featured by stong adaptability, high motive power, low cost and broad compatibility.
7.To be provided with hydraulic control pressure feed mechanism for the purpose of construction's efficiency.
8.To use hydraulic control well head displacement mechanism for enlargement of initial hole 

profuct details