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Rotary Drilling Rigs & Tools for Foundation Piling
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Medium & Big Rotary Drilling Rigs
- TR228H Rotary Drilling Rig
TR228H Rotary Drilling Rig
TR228H Rotary Drilling Rig is new designed self-erecting rig mounted on original Caterpillar base adopts advanced hydraulic loading back technology, integrates advanced electronic control technology, which makes the whole performance of TR228H rotary drilling rig reach advanced world.
Model : TR228H
Max. Drilling Depth: 76m;
Drilling diameter: 1900mm;
Torque: 240KN.m;
Undercarriage: Original CAT base or Self undercarriage
Model : TR228H
Max. Drilling Depth: 76m;
Drilling diameter: 1900mm;
Torque: 240KN.m;
Undercarriage: Original CAT base or Self undercarriage
TR228H rotary drilling rig is specially designed to suit the following applications:
-Drilling with telescopic friction or interlocking kelly bar-standard supply
-Drilling cased bore piles (casing driven by rotary head or optionally by casing oscillator —CFA Piles by means of continue auger
-Either crowd winch system or hydraulic crowd cylinder system
-Displacement piles; Soil -mixing
Main Feature
- Retractable original CAT chassis with Efl turbocharged engine ensures the stability of thewhole machine meet the performance locations and construction environment Advanced main pump adopted negative flow constant power variable automatic control, which can realize the optimal matching in the load and the output power of engine.
- Width of crawler can be adjusted between 3000 and 4300m, counterweight moved back wards increases the stability and reliability
- The key components of the hydraulic system adopts Caterpillar hydraulic system as the maincircuit and the pilot control circuit With the advanced loading back technology, the flow be distributed to each part of the system according to needs, which achieves better match in various working conditions Pilot control makes the operation flexible, comfortable, exact and safe. Various kinds of hydraulic elements adopted world famous brand, such as Rexroth, Parker, etc. ensure the hydraulic system high reliability.
- Electric systems are from Pal-fin auto-control, optimal design of electric control system improvesthe control accuracy and the food back speed Equipped advanced automatic switch of manual automatically, and guarantee a verticality condition during operation
- Compacted Parallelogram structure reduces the length and height of the whole machine, thus reduce themachine’s requirement on the work space, easy transportation.
- TR228Hadopts professional rotary head equipped BONFIGLIOLI or BREVINI reducer, and REXROTH or LINDE motor, and rotary head available in three drilling modes-standard, low speed and big torque or high speed and small torque; spin-off is optional.
- The newest designed winch drum structure is to avoid steel wire rope tangling and lengthen the service life of steel wire rope.
Specification for standard Kelly bar
Friction Kelly bar: ∅440-6*14
Interlock Kelly bar: ∅440-4*14
| 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 | CAT330NGH |
| Engine model | C-7.1e | 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 |
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SERVICES
Services
Professional and reliable after-sales service
We provide a comprehensive and responsive after-sales service to ensure your operations run smoothly. Our support team offers 12-hour online service to address your inquiries promptly, regardless of your location worldwide.
Additionally, we have our own professional after-sales engineers who can be dispatched to your site as required. Our on-site services include installation, commissioning, operator training, and pile testing, all tailored to meet your specific needs and ensure optimal performance of your equipment.
Production-to-shipment tracking and feedback process
We provide comprehensive, end-to-end tracking and regular updates throughout the entire process, from production initiation to final shipment.
Our systematic tracking covers each critical stage: assembly, quality inspection, testing, packaging, and final loading for dispatch. At every milestone, we proactively provide detailed feedback, including photos, videos, and progress reports.
This transparent communication ensures you are fully informed and can plan confidently for the seamless arrival of your equipment, eliminating uncertainty and facilitating a smooth project timeline.
Professional pre-sales services
Our pre-sales service is designed to optimize your procurement process from the very beginning. By integrating the expertise of our sales personnel with our technical engineering team, we provide professional consultation based on your specific project requirements.
This collaborative approach significantly reduces your upfront selection costs and improves overall efficiency. We focus on delivering precise product recommendations, ensuring the proposed equipment is the most suitable and effective solution for your project needs, ultimately helping you make a well-informed and confident purchasing decision.
