Beijing Sinovo International & Sinovo Heavy Industry Co.Ltd. |
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TR228H is a stare industrial and civil construction rig, which is
suitable for Pile foundation of urban subway, middle and high-rise
buildings, etc. This model can achieve low headroom and is suitable
for special construction scenarios such as low factory buildings
and bridges.
NEW GENERATION ROTARY DRILLING RIG
Innovative design of the industry’s first all-electric control technology, which is controlled by electrical signals throughout the entire process, subverts the traditional control method of rotary drilling rigs, and possesses super-generation technical advantages.
A new layout of the vehicle structure; The latest Carter rotary excavator chassis; A new generation of power heads, high-strength twision resistant drill pipes; hydraulic components such as main pumps and motors are all equipped with large displacement.
Guided by marker demand and guided by technological innovation, it is positioned to develop high-quality pile foundation construction machinery to solve the problems of low construction efficiency, high construction cost and severe pollution of ordinary drilling rigs, and to provide high-end quality products for construction enterprises.
It is positioned to provide customers with overall construction solutions, especially in complex application environments and geological conditions, to improve the construction revenue of construction projects and achieve win-win cooperation with customers. Realize win-win cooperation with customers.
Main parameters | Parameter | Unit |
Pile | ||
Max. drilling diameter | 1900 | mm |
Max. drilling depth | 76 | m |
Rotary drive | ||
Max. output torque | 240 | KN-m |
Rotary speed | 6~27 | rpm |
Crowd system | ||
Max. crowd force | 210 | KN |
Max. pulling force | 270 | KN |
Stroke of crowd system | 5000 | mm |
Main winch | ||
Lifting force (the first layer) | 240 | KN |
Wire-rope diameter | 32 | mm |
Lifting speed | 65 | m/min |
Auxiliary winch | ||
Lifting force (the first layer) | 100 | KN |
Wire-rope diameter | 18 | mm |
Mast inclination angle | ||
Left/right | 5 | ° |
Forward | 4 | ° |
Chassis | ||
Chassis model | CAT330NGH | |
Engine manufacturer | 卡特彼勒CAT | CATERPILLAR |
Engine model | C-7.1e | |
Engine power | 195 | KW |
Engine speed | 2000 | rpm |
Chassis overall length | 4920 | mm |
Track shoe width | 800 | mm |
Tractive force | 510 | KN |
Overall machine | ||
Working width | 4300 | mm |
Working height | 21691 | mm |
Transport length | 15320 | mm |
Transport width | 3000 | mm |
Transport height | 3463 | mm |
Total weight (with kelly bar) | 64.5 | t |
Total weight (without kelly bar) | 54.5 | t |
Specification for standard Kelly bar
Friction Kelly bar: ∅440-6*14
Interlock Kelly bar: ∅440-4*14
Hydraulic rotary drilling is a drilling method that utilizes
hydraulic power to rotate the drill bit and provide the necessary
force for drilling into the ground. It is commonly used in various
drilling applications, including water well drilling, geotechnical
investigations, mineral exploration, and oil and gas drilling.
In hydraulic rotary drilling, the rotary power is generated by a
hydraulic motor, typically powered by a hydraulic system that is
connected to the drilling rig. The hydraulic fluid, usually oil, is
pressurized and directed to the hydraulic motor, which converts the
hydraulic energy into mechanical rotation. The motor drives the
drill bit to penetrate the ground, creating a borehole.
The drilling process involves the following steps:
Drill Bit Selection: Depending on the specific requirements of the
project, different types and sizes of drill bits are selected. The
drill bit is chosen based on factors such as the type of formation
being drilled, desired borehole diameter, and the purpose of the
drilling operation.
Drill String Assembly: The drill string is composed of
interconnected drill pipes or rods that transmit torque and
downward force from the surface to the drill bit. The number and
length of the drill pipes are determined by the depth of the
borehole.
Drilling Fluid Circulation: A drilling fluid, often referred to as
drilling mud, is used to facilitate the drilling process. The
drilling mud is pumped down through the drill string and exits
through nozzles near the drill bit. It serves multiple purposes,
including cooling and lubricating the drill bit, carrying cuttings
to the surface, and maintaining pressure in the borehole to prevent
collapse.
Rotary Drilling: The hydraulic motor attached to the drilling rig
applies rotational force to the drill bit, causing it to rotate and
cut through the formation. As the drill bit advances, the drilling
mud carries the cuttings to the surface through the annular space
between the drill string and the borehole wall.
Monitoring and Sampling: Throughout the drilling process, various
parameters are monitored, such as drilling rate, drilling fluid
properties, and formation characteristics. Samples of the drilled
material may be collected for analysis and evaluation of the
subsurface conditions.
Hydraulic rotary drilling offers several advantages, including high
drilling efficiency, the ability to penetrate various formations,
and the capability to drill deep boreholes. The method is widely
used in different industries due to its versatility and
effectiveness in accessing subsurface resources and information.