Technical features of XCMG XZ120E low-tonnage horizontal directional drilling rig
The patented technology of floating power drive and floating lock allows you to protect the thread of the drill rod and extend its service life.
The use of a two-speed feed/reverse thrust system and a rotary system with a variable displacement motor allows you to change the speed of the power drive to adapt the installation to different operating conditions and increase the efficiency of construction work.
The configuration is characterized by flexibility and diversification. The installation can be equipped with an automatic (semi-automatic) rod loader, a double automatic anchor system, a system for protecting drilling mud from freezing, a drilling mud regeneration system, etc. It is also possible to equip a more environmentally friendly and energy-efficient Dongfeng ***** engine, which complies with the EU Stage III A environmental standard.
Power drive
The power drive is the main energy mechanism of the machine. This unit drives the drilling rod, providing its rotation, feed and reverse thrust.
Powerful orbital thrusters provide high-speed rotation with high torque for drilling.
The variable displacement geared motor is designed for steady feed/reverse thrust by rack and pinion transmission.
The floating design of the power drive housing makes it possible to compensate for the stroke of the drill rod bracket in real time and ensure maximum protection of the drill rod thread.
Catch
The clamp is mainly used for clamping, loading and unloading drilling rods. The clamp mainly consists of front and rear vises, clamping cylinders, clamping jaws, retaining blocks and springs.
Curved clamping jaws increase the contact area with the drilling rod during clamping and expand the possibilities of the bracket.
The floating design of the clamp with a spring damper prevents damage to the thread of the drill rod and extends its service life by 30 %
Protection of drilling mud from freezing
The drilling fluid antifreeze system is an additional component that provides complete antifreeze protection for the drilling fluid circulation system in cold climates.
Automatic loader
The high-strength loader with intelligent control is equipped with a drilling rod compartment, which can accommodate 48 one-piece Ø60 drilling rods. During construction work, the loader continuously feeds the drilling rods using XCMG's patented shuttle arm technology, which reduces the time of auxiliary work.
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