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Help CenterCJF-15 Percussion Reverse Circulation Drill
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CJF15 percussion reverse circulation drill is mainly used in deep foundation piling (tall building engineering, water conservancy project, bridge construction) construction of large
caliber castin place pile and construction of diaphragm wall. It can be used in complex stratum and have higher drilling efficiency in layer of gravel and rock strata. Because of adopting the technique of reverse circulation exhausting slag, this type has higher efficiency of construction at large amplitude than CZ Series of percussion drill and drill wear is better.
1, Adopting transmission, joint hydraulic control electrical appliance, it has stable and reliable performance.
2, The drill mast is hydraulic control for rising and falling, smooth, safe, convenient operation and installation.
3, It has two functions of connecting rod impact and winch impact and wide application.
4, The drilling machine has "walking" function, the body can move around toward every direction and is easy to use.
Drilling diameter | 1.5 m |
Drilling depth | 80 m |
Drill bit weight | 2.5T |
Impact stroke | 1 m |
Impact frequency | 40Times/Min |
Main hoist lifting capacity | 40 KN |
Vice hoist lifting capacity | 30 KN |
Main and auxiliary hoist lifting speed | 35 m/min |
Rigs rated load | 200 KN |
Rigs effective height | 8 m |
Slagging mode | Positive and negative cycle |
Main motor power | 45 kW |
Dimensions | 6.02m*2.22m*2.7 m |
1,6BS sandstone pump
6BS sandstone pump is a kind of special slag draining equipment suitable for various large diameter bored piles.The pump,with two-phase flow,has stood the test of the Threegorge project,Beijing-Shanghai highway project,overcrose projects in big cities and high-rise building projects.It can take boken stones out of 50 meter depth hole,especially those pebbles whose maximum diameter is100mm,and normally 70mm.The pump can be used as supported product for drilling rigs capable of crilling in industrial,agricultural and national defense foundation.
2,Drill bit
3,Inserted joint discharging pipe
The grouting pipe is joint by screw and sealed by O type ring.It is convenient for operating with
better load adaptation in bored pile engineering.
4,T-joint inverted valve
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