中联重科 QUY 70

### **General Parameters** - **Model**: ZOOMLION QUY70 - **Max. Rated Lifting Capacity**: **70 t** (at 5m radius) - **Operating Weight (basic boom)**: **50 t** - **Rated Lifting Moment**: **2305 kN·m** - **Engine**: Cummins QSB6.7-C205 (diesel, turbocharged) - **Rated Power**: **153 kW / 1800 rpm** - **Emission Standard**: Euro Stage III / EPA Tier 3 - **Fuel Tank Capacity**: **300 L** ### **Boom & Jib (Lattice Boom)** - **Main Boom Length**: **12 – 57 m** (sections: 3m, 6m, 9m) - **Fixed Jib Length**: **6 – 18 m** (6m sections) - **Max. Combined Length (Boom + Jib)**: **42 m + 18 m** - **Boom Angle Range**: **30° – 80°** - **Max. Lifting Height**: **75 m** (full boom + jib) ### **Working Radius (Lifting Range)** - **Min. Radius**: **5.0 m** - **Max. Radius (main boom)**: **52 m** (at 57m boom) - **Max. Radius (boom + jib)**: **60 m** ### **Counterweight** - **Total Counterweight**: **20 t** - Counterweight I: **10 t** - Counterweight II: **10 t** ### **Transport Dimensions (L×W×H)** - **Main Machine (disassembled)**: **11,200 × 3,300 × 3,200 mm** - **Track Gauge (adjustable)**: **3,300 – 4,760 mm** - **Overall Width (transport)**: **3,300 mm** ### **Performance & Mechanism** - **Main Hoist Rope Speed**: **0 – 120 m/min** - **Boom Hoist Speed**: **0 – 60 m/min** - **Slewing Speed**: **0 – 1.5 rpm** - **Travel Speed (high/low)**: **1.5 / 3.0 km/h** - **Max. Gradeability**: **30%** - **Ground Pressure**: **0.098 MPa** (standard tracks) ### **Control & Safety** - **Control System**: CAN bus + PLC + 11-inch LCD monitor - **Safety Features**: Load moment indicator (LMI), anti-two block, overload protection, emergency stop