Parameter
Nominal drilling depth (4 1/2’’ DP) (m) : 6000－9000
Max. hook load rating (KN) : 6750
Max. number of lines for traveling system : 14
Dia. of wire line mm (in) : 42 (1 3/4)
O.D. of sheave in traveling system mm (in) : 1524 (60)
I.D. of swivel stem mm (in) : 102(3)
Rated power of drawworks kW (hp) : 2210 (3000)
Transmission of drawworks : 4
Dia. of rotary table opening mm (in) : 1257 (49 1/2)
Transmission of rotary table : 2
Power of each mud pump kW (hp) : 1180(1600)
Working height of mast m (ft) : 49 (160)
Height of drill floor m (ft) : 12 (40)
Clear height of drill floor m (ft) : 10 (33)
Description
Specially recommendation
This machine gained 3 national practical new type patents invention.
1. To be equipped with hexagonal vertical shaft and hexagonal drive drilling rod,with strong rigidity and big transfer torque .
2. To be provided with cone plate friction clutch,being facile to operate,with big transfer torque.
3. To adopt rolling bearing type hoist,with wide brake band and big lifting capacity.
4. To be equipped with speed reducer and sludge pump,being integrated structure.
5. The entire machine is featured by stong adaptability,high motive power,low cost and broad compatibility.
6. To be provided with hydraulic control pressure feed mechanism for the purpose of improvement of construction efficiency.
7. To use hydraulic control well head displacement mechanism for enlargement of initial hole diameter.
Suit Scope
It is widely used for the projects such as engineering geological investigation Geophysical investigation . small grouting hole. shot hole and water well words