Geothermal Exploration Portable Rig Shallow Depth Investigation
Drill
The Innovator's Choice - Advanced Hydraulic Engineering in a
Compact Form
Innovation in drilling technology is not always about reaching new
depth records; often, it is about rethinking the fundamentals to
create a machine that is smarter, safer, and more adaptable. The
GD‑200L embodies this philosophy. It is a showcase of advanced
hydraulic engineering, where every component is selected and
integrated to deliver a level of performance and versatility that
belies its compact size. For the forward‑thinking driller or
exploration manager, the GD‑200L represents the state of the art in
shallow‑ to medium‑depth coring.
Fully Integrated Hydraulic Architecture
The core innovation lies in the fully integrated hydraulic
architecture. Unlike hybrid designs that combine mechanical and
hydraulic elements, the GD‑200L is pure hydraulic: all primary
functions—rotation, feed, hoisting, track drive, and auxiliary
services—are powered by a single, centralized hydraulic system.
This integration eliminates the inefficiencies and failure points
associated with mechanical transmissions, while providing
infinitely variable control over every parameter. The result is a
rig that responds instantly and precisely to operator input, with a
level of smoothness that mechanical systems cannot match.
High-Efficiency Plunger-Type Hydraulic Motor
The plunger‑type hydraulic motor driving the rotary head is a
masterpiece of efficiency. It delivers 1500 N.m of torque across a
wide speed range, with exceptional power‑to‑weight ratio. The
motor's design minimizes internal leakage, ensuring that hydraulic
energy is converted into rotational force with minimal loss. This
efficiency translates into faster penetration rates and lower fuel
consumption—a direct benefit to the operator's bottom line.
Advanced Feed System
The feed system is equally advanced. The 12‑ton feed cylinders are
synchronized hydraulically to apply perfectly balanced force,
eliminating any tendency for the tower to twist or bind. The
proportional control valve allows the driller to vary feed pressure
from a feather touch to full power, providing the finesse needed
for delicate sampling in soft formations and the muscle required
for hard rock. The ground‑contact tower design transfers drilling
loads directly to the earth, maximizing stability and minimizing
vibration.
Safety Innovation with V-Shaped Self-Weight Gripper
Safety innovation is epitomized by the V‑shaped self‑weight
gripper. This device is not merely a clamp; it is an intelligent
mechanical system that uses the weight of the drill string to
increase gripping force. If the string is not fully seated in the
gripper, the mechanism physically prevents clamping—a simple but
effective safeguard against human error. The constant pressure
release function ensures that even in a total hydraulic failure,
the string remains held until manually released. This level of
failsafe design is rare in any class of drilling equipment, yet it
is standard on the GD‑200L.
Remote-Controlled Mobility System
Mobility innovation comes in the form of the remote‑controlled
rubber track system. The tracks are driven by independent hydraulic
motors, providing stepless speed variation and true zero‑radius
turning. The operator can maneuver the rig with a handheld remote
from a safe distance, navigating obstacles and positioning the
drill with pinpoint accuracy. This capability is invaluable on
unstable ground, in environmentally sensitive areas, or wherever
operator safety is paramount.
Modular Design for Adaptability
The GD‑200L also embraces modularity in its design. Major
assemblies—power pack, control console, tower, tracks—are designed
for easy separation, simplifying transport and maintenance. This
modularity also allows for future upgrades; for example, a more
powerful engine or enhanced hydraulic components can be retrofitted
as technology evolves. The rig is built to adapt, not to become
obsolete.
For the innovator, the GD‑200L is more than a tool; it is a
platform for exploration excellence. It combines advanced
hydraulics, intelligent safety systems, and agile mobility in a
package that is both practical and forward‑looking. It is the rig
that anticipates the challenges of tomorrow's drilling campaigns
and meets them with engineering ingenuity.
GD‑200L Advanced Engineering Specifications
| Parameter | Specification |
|---|
| HYDRAULIC ARCHITECTURE |
| System Type | Fully integrated, load‑sensing |
| Main Pump | 160 L/min, 20 MPa |
| Control Valves | Proportional, sectional |
| ROTARY INNOVATION |
| Motor Type | Plunger‑type, high‑efficiency |
| Torque | 1500 N.m |
| Speed Control | Stepless 0‑1300 RPM |
| FEED INNOVATION |
| Cylinders | Synchronized dual‑cylinder |
| Force | 12 Tons |
| Control | Proportional, with fine‑inching |
| SAFETY INNOVATION |
| Rod Gripper | V‑type self‑weight, constant pressure release |
| Anti‑accident System | Hydraulic interlock on all functions |
| Emergency Stop | Multiple locations |
| MOBILITY INNOVATION |
| Drive | Independent hydraulic track motors |
| Control | Remote handheld + manual |
| Turning | Zero radius |
| MODULARITY |
| Main Modules | Power unit, tower, tracks, control console |
| Assembly Time | < 2 hours (two persons) |
| DIMENSIONS & WEIGHT |
| Length | 3200 mm |
| Width | 1200 mm |
| Height | 2250 mm |
| Weight | 2800 kg |
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