Double Girder Overhead Crane Main Specification◆SWL:5T~500T
◆Span:7.5M~50M
◆Lifting Height:6M~50M
◆Hoisting Speed:1~20m/min single/double speed
◆Trolley Travelling Speed:10~40m/min single/double speed
◆Crane Travelling Speed:20~100m/min single/double speed
◆Working Duty: ISO M5/M6/M7, FEM 2m/3m/4m
◆Ambient Temperature: -40~50°C
Protection devices
| No. | Mechanical Protection devices | Electrical Protection devices |
| 1 | Overload Limiter | Main isolating switch |
| 2 | Limit Switch (Lifting and Traveling) | Short-circuit protection |
| 3 | Interlock protection device | Under-voltage protection |
| 4 | Buffer | Zero protection |
| 5 | Rail tongs, Anchor device, | Motor overload protection |
| 6 | Rail clear plate | Emergency stop system |
| 7 | Protective cover | Current overload protection system |
| 8 | Bus Bar preventer plate | Security chain protection |
| 9 | Anti-collision device | Ground protection |
| 10 | Anti-overturn Safety Device | Audible and visual alarm |
| 11 | Anemometer | Safe electrical interlock |
LINKS : Dongqi Crane