KR90A hydraulic drilling rig

KR90A hydraulic drilling rig

KR90A hydraulic drilling rig

Product model: KR90A Drilling depth: 28m Total weight: 24t
KR90A hydraulic drilling rig
Product Details

 Product Description

●The leading overall transport full hydraulic rotary drilling rig, can change transport state into working

state rapidly;

●High-performance hydraulic system and control system in cooperation with Tianjin University CNC

Hydraulic Institute of Technology, which can realize the machine efficient construction and real-time monitor;

●High security, designed in strict accordance with European Union safety standards EN16228. Meet the

requirements of dynamic and static stability.

■Unique structure of folding mast can ensure the overall transportation and reduce the transport size;

■Advanced design of rotary angle displacement output mechanism and central rotary joint output

angular displacement can get higher reliability;

■Innovative drilling bucket depth measurement system can show higher accuracy than the average rig;

■The function of main winch bottoming protection and priority controlling can make the operation easier;

■The reversible use of the driving head’s chain can extend the service life;

■Multi-stage damping technology of the driving head can ensure the whole construction more stable;

■The technology of mast automatic verticality can make the vertical accuracy of the hole higher;

■The innovative design of luminous hot wheel can ensure construction in night more safety;

■The humanized design of chassis back can increase storage space efficiently;

■New design of two-stage operating interface can make it more convenient to operate.

 Product Parameters

Performance Parameter Unit Value Notes
Max. torque kN.m 90  
Max. drilling diameter mm 1000/1200  
Max. drilling depth m 28  
Working speed rpm 6~30  
Max. cylinder pressure kN 90  
Max. hoist capacity kN 120  
Main winch pull force kN 80  
Main winch speed m/min 75  
Auxiliary winch pull force kN 50  
Auxiliary winch speed m/min 40  
Max. cylinder stroke mm 3500  
Mast side raking ° ±3  
Mast raking forward ° 4  
System pressure mpa 34.3  
Pilot pressure mpa 3.9  
Max. walking speed km/h 2.8  
Max. pull force kN 122  
Operating height mm 12705  
Operating width mm 2690  
Transport height mm 3465  
Transport width mm 2690  
Transport length mm 11385  
Total weight t 24  
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