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XR150DIII
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Product Introduction
The XR150DIII rotary drilling rig is a highly efficient foundation construction equipment specially designed for complex geological conditions. With its advanced technology and outstanding performance, it has performed outstandingly in both domestic and international engineering fields.
Product Advantage
* It adopts the dedicated hydraulic retractable crawler chassis and large diameter slewing bearing to provide extraordinary stability and transport convenience.
* It adopts the Cummins electric control turbo-supercharged engine to provide strong power and conformity with Euro III emission standard.
* With the hydraulic pressure system adopted threshold power control and negative flow control, the system acquired high efficiency and higher energy conservation.
* Using single rope winding, effectively solve the steel wire rope wear problem, improve the life of wire rope; And drill deep detection device is settled in main winding, single rope to make deep inspection more accurate.
* The whole machine design meet the requirements of the CE directive, safety guarantee, construction safer.
Technical Parameters
| Description | Unit | XR150DIII | |
| Max. drilling diameter | mm | 1500 | |
| Max. drilling depth | m | 56 | |
| Allowable luffing scope (from center of drill rod to slewing center) | mm | 3250～3650 | |
| Drilling rig dimension in working condition (L × W × H) | mm | 7550×4200×19040 | |
| Drilling rig dimension in transport condition (L × W × H) | mm | 13150×2960×3140 | |
| Weight of overall unit (standard configuration, excluding drilling tool) | t | 49 | |
| Engine | Model | CUMMINS QSB7 | |
| Rated power/speed | kW | 150/（2050r/min） | |
| Max. working pressure of hydraulic system | MPa | 35 | |
| Rotary drive | Max. torque | kN •m | 150 |
| Rotational speed | r/min | 7～33 | |
| Crowd cylinder | Max. Pushing force | kN | 120 |
| Max. Pulling force | kN | 160 | |
| Max.stroke | mm | 3500 | |
| Main winch | Max.pulling force | kN | 160 |
| Max. single-rope speed | m/min | 72 | |
| Diameter of the steel wire rope | mm | 26 | |
| Auxiliary winch | Max.pulling force | kN | 50 |
| Max. single-rope speed | m/min | 60 | |
| Diameter of the steel wire rope | mm | 16 | |
| Rotary table slewing angle | ° | 360 | |
| Traveling | Max. traveling speed of the overall unit | km/h | 2.1 |
| Max. climbable gradient of the overall unit | % | 40 | |
| Crawler | Width of crawler plate | mm | 700 |
| External width of crawler (min.-max.) | mm | 2960～4200 | |
| Center distance between two longitudinal wheels of crawler | mm | 4310 | |
| Average ground pressure | kPa | 83 | |
Product Uses
The XR150DIII rotary drilling rig is highly suitable for medium-sized pile foundation construction projects in urban construction, such as building foundations, bridge pile foundations, and infrastructure construction like highways and railways.
Product Operate Guide
On-site positioning and inspection
The equipment enters the site through its own walking mechanism. It should be noted that the driving wheels should be at the rear. When going up and down slopes, the mast must be placed flat and must not pass through the slope laterally.
Before commencing work, a comprehensive inspection must be carried out, including the power system, hydraulic system, various mechanical components and steel wire ropes, etc., to ensure that the equipment is in good condition.
Homework cycle
Hole alignment and lowering: Use the mast for guidance to align the drill pipe and the drill bit with the hole position and lower them.
Drilling and soil extraction: The power head provides torque for the drill pipe, and the pressurizing device transmits pressure, causing the drill bit to break the rock and soil and load it into the bucket.
Lifting the drill and unloading soil: The drill bit is lifted out of the hole through the lifting device to unload soil, and then the process of soil extraction and unloading is repeated until the designed hole depth is reached.
FAQ
High-efficiency hydraulic system: It adopts limit power control and negative flow control, which is energy-saving and highly efficient.
Single-row rope main hoist: It effectively solves the industry problem of steel wire rope wear and is equipped with a drilling depth detection device, making the measurement of drilling depth more accurate.
Specialized chassis: It adopts a hydraulic telescopic track chassis, which combines outstanding stability during operation with convenience for transfer and transportation.
Operation must follow the norms: Firstly, when the equipment enters the construction site, it is necessary to ensure that the mast is placed flat and the driving wheels are at the rear. Secondly, a comprehensive inspection should be carried out before the operation, including the power system, hydraulic system, and the working conditions of each mechanism, etc. Finally, during the drilling process, the power head is used to provide torque for the drill pipe. Through a cycle of drilling, soil extraction, and soil unloading, the designed hole depth is reached.
Before starting: Run around the machine to check if the levels of engine oil, hydraulic oil and coolant are sufficient.
After startup: Warm up the machine for 3 to 5 minutes first, then perform some continuous movements, and finally start working.
After work: Check the diesel oil level, place the drill tool back on the ground, turn off the engine and remove the key.
Regular lubrication: It is recommended to apply grease to the rotating gear ring and other parts every 50 hours.
Maintenance should be carried out on a periodic basis: inspect and clean the equipment every shift. Conduct a comprehensive monthly inspection and tighten the bolts, and check for worn parts. Regularly change the engine oil, hydraulic oil and various filters (such as oil filters, hydraulic oil filters and air filters).
The XR150DIII is designed to meet the requirements of the CE directive. It is equipped with a centralized lubrication system as standard, which reduces maintenance risks. It also features a drilling depth detection device and a detachable power head drive key, etc., all of which jointly ensure construction safety and maintenance convenience.
Take the common oil leakage of the power head skeleton oil seal as an example. You can conduct a preliminary self-check:
Check the oil seal: Remove the end cover and inspect whether the lip of the oil seal is worn or scratched.
Check the main shaft: Touch the contact area between the main shaft and the oil seal with your hand to feel if there are any grooves.
Check the bearing clearance: If there are no issues with the above, it might be that the bearing clearance is too large. The gasket needs to be adjusted to ensure that the clearance is between 0.08mm and 0.15mm. For complex faults, it is recommended to contact professional technicians.
