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widely used for express railway, high bridge,·subway,civil construction.·high efficient hydraulic system.
| Condition | New | Place of Origin | Hunan China (Mainland) |
|---|---|---|---|
| Model Number | DBR series | color | red/blue |
| guarantee | one year | Details | widely used for express railway, high bridge, · subway,civil construction. · high efficient hydraulic system. |
| Packaging Detail | nude packing,special container |
|---|---|
| Delivery Detail | within 45 days after receiving the deposit. |
DBR series Rotary Drilling Rig is a deep foundation piles of large diameter hole equipment, combines modern hydraulic pile Machinery of new technologies, new processes.
Technical parameters of DBR series of rotary drilling rigs
| model | unit | DBR200 | DBR220 | DBR250 |
| Chassis models | BONNYZJ20B-7 194kw | BONNYZJ25B-7 213kw | BONNYZJ25B-7 250kw | |
| The main pump | Germany Rexroth | A11VLO190 | A11VLO260 | A11VLO260 |
| Max diameter of holing | mm | 1800 | 2300 | 2500 |
| Max depth of holing | m | 60 | 70 | 75 |
| Maximum output torque | kN.m | 200 | 250 | 250 |
| Drilling speed/high-speed | rpm | 7-28 | 7-26 | 6-30 |
| Max stress | kN | 150 | 180 | 180 |
| Max pulling force | kN | 200 | 240 | 256 |
| Pressurized cylinder trip | mm | 4300 | 5300 | 5300 |
| Max around Angle | ° | ±3° | ±6° | ±6° |
| Max tilted forward Angle | ° | ±5° | ±5° | ±5° |
| Promoting force of main windlass | kN | 200 | 240 | 256 |
| Diameter of steel wire rope of main windlass | mm | 28 | 28 | 32 |
| Max promoting speed of main windlass | m/min | 75 | 70 | 63 |
| Promoting force of subsidiary windlass | kN | 76 | 110 | 110 |
| Diameter of steel wire rope of subsidiary windlass | mm | 20 | 20 | 20 |
| Max promoting speed of subsidiary windlass | m/min | 79 | 70 | 70 |
| Working state equipment height | mm | 20091 | 21045 | 21627 |
| Working state device width | mm | 4400 | 4400 | 4400 |
| Transportation state equipment length | mm | 14085 | 15144 | 15290 |
| Transportation state equipment height | mm | 3400 | 3520 | 3520 |
| Transportation state device width | mm | 3000 | 3200 | 3200 |
| Crawler board length | mm | 5538 | 5538 | 5588 |
| Crawler board width | mm | 700 | 800 | 800 |
| The system pressure | bar | 343 | 343 | 343 |
| Guiding pressure | bar | 40 | 40 | 40 |
| traction | kN | 360 | 440 | 510 |
| The weight of the | TT | 60 | 70 | 72 |
convenient driver's cab makes driving comfortable
America Cummins world--famous engine with high power, low noise and low emission
Freely flexible track frame and solid and durable chassis
Intelligentized operating hydraulic system and electrical system
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