FAE casing oscillator
What FAE Could offer?
| Specifications of FAE casing oscillator type:FRCD15 | |
| casing diameter | 600/800/1000/1200/1500mm |
| operating pressure | 340bar |
| max torque | 2100kN.m |
| stroke | 500mm |
| max lifting fore | 2120kN |
| counterweight(self-made) | 20t |
| clamping | 2100kN |
| rotation angle | 20° |
| travel of casing | 261mm |
| height of clamping collar | 630mm |
| weight | 21ton |
| overall length | 4280mm |
| overal weight | 2630mm |
| overall height | 1740mm |
Remarks: 1,Lifting cylinder and rotation cylinder can operate simulatneously,so that the effciency of construction is greatly enhanced. 2,Casing verticality auto-adjusting and rotation cylinder will collect the hydraulic oil from lifting clyinder when casing rotating. | |
Greater embedding pressure can be achieved by Casing oscillator instead of Casing Drive Adapter, Casing can be embedded even in hard layer.
Casing oscillator owns such merits as strong adaptability to geology, hig-h quality of completed pile, low noise, no mud contamination, slight influence to former foundation, easy control, low cost, etc. It owns advantages in following geological conditions: instable layer, underground slip layer, underground river, rock formation, old pile, erratic boulder, quick sand, foundation of emergency and temporary building.
It is especially suitable for coast, beach, old city wasteland, desert, mountain area and the place surrounded by buildings.
1.Low purchase and transport costs for the shared utilization of rig pump instead of special pump truck.
2.Low operation cost for the sharing of output power of rotary drilling rig, energy saving and environmental friendly.
3.Ultralarge pull/push force up to 210t is supplied by lifting cylinder andthe large can be achieved with added counterweight to speed up construction.
4.Dismountable counterweight from 4 to 10t as required.
5.Reduction in transport cost for the counterweight is made of cast-in-place concrete.
6.Work stablycombined action of counterweight frame and ground anchor fix the bottom of oscillator to the ground firmly and reduce the reaction torque generated by oscillator to rig.
7.High working efficiency for the automatic casing oscillation after 3-5m casing-in.
8.The distance between oscillator and rig can be adjusted conveniently due to bolt connections.
9.Added antitorsion pin of clamping collar to ensure 100% torque transfer to casing.
10.0.6~1.5m casing diameter with different clamping collar to meet customers’ needs.
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