The construction quality and efficiency of pile foundations directly determine the success or failure of the entire engineering construction project. As a key piece of equipment in the field of pile foundation construction, the rotary piling rig has become an indispensable tool for projects such as bridges, high-rise buildings, and large-scale venues, thanks to its high-efficiency drilling capacity, excellent stratum adaptability and outstanding construction safety.【WhatsApp/WeChat/Phone】+86 13837122632
Hydraulic Rotary Piling Rig（YG-30） Parameters
| Item | Unit | Data | |
| Max. Drilling Diameter | mm | 1800 | |
| Max. Drilling Depth | m | 30 | |
| Engine | Model | / | Cummins, GBT5.9-C210 |
| Rated Power | kW | 154KW, 2200r/min | |
| Rotary Head | Max. output torque | kN .m | 100 |
| Rotary speed | r/min | 17-40 | |
| Oil Cylinder | Max.pull-down piston push | kN | 110 |
| Max.pull-down piston pull | kN | 100 | |
| Max.pull-down piston stroke | mm | 2000 | |
| Main Winch | Max.pulling force | kN | 100 |
| Max. single-rope speed | m/min | 70 | |
| Diameter of the steel wire rope | mm | 28 | |
| Auxiliary Winch | Max.pulling force | kN | 60 |
| Max. single-rope speed | m/min | 54 | |
| Diameter of the steel wire rope | mm | 16 | |
| Traveling | Max. traveling speed | km/h | 2.6 |
| Min.ground clearance | mm | 340 | |
| Approach angle | ° | 21 | |
| Departure angle | ° | 18 | |
| Max.grade ability | % | 30 | |
| Overall Weight | t | 28 | |
| Dimension | Transportation condition (L×WH) | mm | 11000×2600×3400 |
Why Has the Rotary Piling Rig Become the Mainstream Choice?
Compared with traditional drilling techniques, the rotary drilling rig machine has all-round advantages, which make it stand out among many construction methods:
- Excellent construction efficiency, safety and reliability: The machine integrates walking, positioning, drilling, drill lifting and soil unloading, realizing a highly mechanized cycle operation. Its drilling speed can be several times that of traditional methods, and the technology is mature and stable.
- Strong stratum adaptability: By replacing different drilling tools (such as rotary drilling buckets, short augers, core drill bits, etc.), a single hydraulic rotary piling rig can effectively cope with various geological conditions ranging from soft soil layers to weathered rock formations, with an extremely wide coverage.
- High pile-forming quality and low environmental impact: Static slurry wall protection drilling is adopted, which causes slight disturbance to the hole wall and is not prone to hole collapse, thus forming pile holes with regular shapes and high bearing capacity. Meanwhile, its characteristics of low vibration and low noise make it more suitable for construction in urban environments.
Core Structure: Understanding the Components of a Rotary Piling Rig
A high-performance rotary drilling rig machine is a complex system integration, and its main components work together to complete the drilling task:
- Power and execution system: Including the power system, hydraulic system and power head. The power head provides the torque and rotational speed required for drilling, serving as the “heart” of the equipment.
- Structural support and luffing system: Comprising the drill mast, slewing platform, luffing mechanism and counterweight, it is responsible for supporting and accurately controlling the spatial position of the drill pipe and drilling tools.
- Hoisting and traveling system: Mainly composed of the main winch, auxiliary winch and traveling device, it realizes the rapid lifting of drilling tools and the flexible movement of the whole machine.
- Control and operation system: The cab and electrical system allow the operator to precisely control this complex equipment, achieving safe and efficient operation.
Factors Affecting the Construction Efficiency of Rotary Piling Rig
There are many factors affecting the operation efficiency of a rotary piling machine, among which the following are the core performance indicators that must be paid attention to during equipment selection:
- Power head torque and rotational speed: High torque is the guarantee for drilling through hard rock formations, while stepless speed regulation enables selecting the “low-speed and high-torque” or “high-speed and low-torque” mode for different strata to achieve optimal drilling.
- Main winch lifting capacity and speed: Strong lifting capacity and high lifting speed can effectively shorten the auxiliary time of drilling tool lifting and lowering, directly improving the cycle efficiency. For example, the YG-30 model has a distinct advantage with a single-line speed of up to 70m/min.
- Overall machine stability and maneuverability: Travel speed, climbing ability and chassis structural strength determine the equipment’s transfer and positioning speed under complex terrain conditions at the construction site, affecting the overall construction period.
Technical Depth: Examining Advanced Features with the YG-30 as an Example
Taking the YG-30 rotary piling machine as an example, its design fully reflects the in-depth consideration of construction efficiency and safety:
- High-efficiency winch system: The main winch adopts single-layer rope arrangement, which features extremely fast lifting speed and effectively prevents rope disorder. Its winch pressurization system has a long stroke and large pressurization force, making it particularly suitable for complex working conditions that require casing installation.
- Intelligent safety control: The pressurization safety control technology based on the main winch lifting force detection can prevent overload operation and significantly improve construction safety.
- Strong working condition adaptability: The power head can be equipped with casing drive drilling or pipe swaying machine drilling, flexibly meeting different construction requirements. The robust chassis and large-diameter slewing bearing ensure super stability during operation.
Application Scenarios and Selection Suggestions for Rotary Piling Machine
The rotary piling machine is mainly used in projects such as highway and railway bridge piles, urban construction pile foundations, and water conservancy protection piles.
During selection, the model should be matched according to the maximum pile diameter, pile depth and the typical stratum conditions of the project location.
- For hard rock formations or ultra-deep piles, priority should be given to equipment with higher power head torque and main winch lifting capacity;
- For clay and sand layers commonly found in urban construction projects, on the premise of meeting the hole diameter and depth requirements, the maneuverability and fuel consumption economy of the equipment should be comprehensively considered.
In a word, the modern rotary piling rig has developed into a highly integrated and intelligent high-efficiency pile driving machine. As can be seen from the technical characteristics of the YG-30 model, an excellent rotary drilling rig machine not only performs well in terms of hard parameters, but also keeps improving in the details of safety, adaptability and construction efficiency. Contact us to learn more product information!【WhatsApp/WeChat/Phone】+86 13837122632
