Z-1250 Anchor Drilling Rig
Description
Z-1250 drill rig is designed for working in narrow spaces, such as tunnel, culver and foundation ditch. With its rotating-percussion rotary head, it is suitable for drilling in stratum formations of sticky clay, sandstone as well as partially decomposed rock stratum. With down-the-hole hammer, it can drill in hard rock formation efficiently. The emission standard of its power engine is TIERIII. With 360 degree horizontal and vertical rotating tables, it can be used efficiently for drilling holes to front facet, flank facet as well as ceiling of tunnels. In the operation panel, there is a special designed operation handle for shifting to grout jetting drilling technique, with suitable rotating and pull back speed for high efficiency grout jetting.
Specification
| Model | Z-1250 |
| Power parameter | |
| Engine | CUMMINS QSB4.5-C160 III |
| Max. power output （KW） | 123 |
| Rated output at 220 rpm (KW) | 119 |
| Electric system (V) | 24 |
| Fuel tank capacity (L) | 200 |
| 1st circuit operating pressure（Mpa） | 0-22 |
| 2nd circuit operating pressure（Mpa） | 0-22 |
| 3th circuit operating pressure（Mpa） | 0-20 |
| Hydr. oil tank capacity (L) | 400 |
| Feed stroke（mm） | 2500 |
| Feed force（KN） | 50 |
| Retraction force（KN） | 50 |
| Feed rate (m/min) | 0-10 |
| Retraction rate (m/min) | 0-10 |
| Fast feed rate (m/min) | 0-50 |
| Fast retraction rate (m/min) | 0-50 |
| Rotary spray lifting speed (m/min) | 0-2.8 (Adjustable) |
| Mode of operation | Rotary/Percussive |
| Percussion frequency (Times/min) | 0-1150 |
| Max. torque at high speed (N·m) | 6000/4250 |
| Max. torque at low speed (N•m) | 12000/8500 |
| High rotating speed (r/min) | 0-92 0-144 |
| / 0-64 0-100 | |
| Low rotating speed (r/min) (Adjustable) | 0-46 0-72 |
| / 0-32 0-50 | |
| Transport dimensions (L*W*H)（mm） | 5900 * 1500 * 2850 |
| Weight（Kg） | 8500 |
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