| Brand Name: | SINOVO |
|---|---|
| High Light: | SINOVO rotary water well drilling rig,228h rotary water well drilling rig,High Powered rotary drilling machine |
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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.
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.
