Rotary Drilling Rig

Description
Rotary drilling rig is designed with removable and symmetrical structure, which doubles the service life of rotary drive key. It is economical and efficient, mainly used in media and small-diameter pile civil construction.

Features
1. The special lubricating system makes sure that it can work under high-temperature environment.
2. Crowd cylinder has two operation modes-normal lifting and fast lifting to improve push efficiency.
3. Optional chassis incline alarm enhances construction safety.
4. Mast verticality auto-adjusting technology promises the pile accuracy.
5. Diesel engine has load induction and output power auto-control; the fuel consumption drops 5-10%.
6. 5-level anti-vibration technology absorbs drilling vibrational frequency all-directionally to guarantee high stability.

Parameters of Rotary Drilling Rig

Main performances	Unit	Parameters
Overall	mm	18,432
Operating weight	t	46
Max. pile diameter	mm	1,500
Max. pile depth(friction Kelly/inter-locking Kelly)	m	56/44
Rotary Drive
Max. output torque	kN.m	150
Speed of rotation	rpm	6.5 to 40
Crowd system
Crowd force	kN	160
Line pull	kN	160
Stroke	mm	4,250
Main winch
Line pull(1st layer)	kN	160
Rope diameter	mm	28
Max. line speed	m/min	70
Auxiliary winch
Line pull(1st layer)	kN	60
Rope diameter	mm	14
Max. line speed	m/min	60
Mast inclination
Forward		5
Lateral		±5

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