elevated railway construction use sany sr150c hydraulic rotary borehole drilling rigs kelly bar

 Features of  elevated railway construction use sany sr150c hydraulic rotary borehole drilling rigs kelly bar

1.Operating weight 45000kg 

2.Max.drill diameter 1500mm 
3.Max.drill depth: 55m

5-level anti-vibration technology absorbs drilling vibrational frequency all- directionally to guarantee high stability;   The special lubricating system makes sure that it can work in high-temperature environment. Rotary drive is available in three drilling modes-standard, low speed and big torque or high speed and small torque; spin-off is optional; The removable key of rotary drive and symmetry structure design double its service life;   The main winch has highlights of touch-bottom protection, priority control and fast line speed;   Crowd cylinder has two operation modes---normal lifting and fast lifting to improve push efficiency;   Mast features automatic erecting, lying and vertical adjustment to ensure the accuracy requirements in construction;   Balance control system of the whole machine is available.

Parameters of   elevated railway construction use sany sr150c hydraulic rotary borehole drilling rigs kelly bar