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SR200D:
The pioneered drilling rig driven by diesel engine/motor. Its advantages are no exhaust emission, low noise, eco-friendly,saving 30% cost averagely for customer; 2 sets of three-phase asynchronous motors, simple control and convenient maintenance; The main operating system adopts dual-pump double-circuit constant power negative flow system; dual-pump hydraulic connection takes full advantage of engine power; Diesel engine and electric motor have independent hydraulic pump sources, and then integrate into the main hydraulic system; The electrically driven control system adopts international advanced "soft startup" technology, maximally avoiding impact of supply network; Rotary drive is equipped with unique and efficient lubrication system to ensure normal operation under high temperature environment; three drilling modes of common, low speed and high torque, and high speed and low torque to meet various construction requirements; Crowd cylinder has two operation modes--normal lifting and fast lifting to improve push efficiency; Special pulley yoke, main winch can pull kelly bar with timed hoisting forces; The electrical driven winch with built-in motor can contain 100m heavy type cable and reel and release easily; convenient for transportation and movement; Mast features automatic vertical adjustment to ensure the accuracy requirements in construction; The chassis incline alarm may enhance construction safety.
| Operating height | 20091mm |
| Operating height | 4000mm |
| Transport width | 3000mm |
| Transport height | 3370mm |
| Transport length | 14333mm |
SR Series Rotary Drilling Rig :SR200D