Sany SR series 70ton Rotary Drilling Rig(SR250)
It is economical and efficient, mainly used in small-diameter pile civil construction;
Diesel engine has load induction and output power auto-control; The fuel consumption drops 5-10%;
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 under high-temperature environment;
The removable and symmetrical structure design doubles the service life of rotary drive key;
Crowd cylinder has two operation modes---normal lifting and fast lifting to improve push efficiency;
The rig balance monitoring system can be ordered to enhance construction safety.
Large triangle boom mechanism, the stability is increased by 12%.
Maximum pile diameter of 2.5m, maximum drilling depth of 96m;
Torque, rotation speed and crowd force can be matched automatically.
The new generation of rotary drive
Features long service life and great shock absorbing ability, the service life of Kelly bar is increased by 10%.
The new chassis
The engine output power is increased to 305KW. Great power, low vibration and high durability ensure high and reliable power.
Max. Pile Diameter: 1500mm
Max. Pile Depth: 96/65m
Max. Output Torque: 150kN.m
|Max. pile diameter||2,300mm|
|Max. pile depth(friction Kelly/inter-locking Kelly)||70/45m|