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Heavy Duty electric double beam grab overhead bridge crane for sale
Electric Double Beam Grab Overhead Crane Information
QZ grab double girder bridge overhead crane is a special crane which take grab bucket as spreader, and can finish many special work of loading and unloading, stockpiling, reshipment and so on.
QZ model double girder bridge overhead crane is heavy work; the working-level is A6, A7. Rated lifting weight is 5~25T and the grab opening direction have two kinds of parallel and perpendicular to main beam. The capture device is four-rope grad with double drum, simple structure, reliable operation.
Electric Double Beam Grab Overhead Crane Parameter
Lifting Capacity | T | 5t | 10t | 16t | 20t | |
Span | m | 10.5-31.5m | ||||
Speed | Lifting | m/min | 40.1 | 40.7 | 41.8 | 48.6 |
Traveling of Trolley | 44.6 | 45.6 | 43.2 | |||
Traveling of Crane | 93.7/86.4 | 76/89 | 89/87.3 | 87.3 | ||
Operational Model | Cabin; remote control | |||||
Working Duty | A6 | |||||
Steel track recommended | 43kg/m or QU70 | |||||
Power Supply | Three-phase A.C. 380V, 50Hz |
Electric Double Beam Grab Overhead Crane Safety protection system
1. Overload protection in the event of overload, the hoist unit switches off and only the lowering motion is possible.
2. Long and cross travel limited by means of preliminary and final limit switches or Wireless anti-collision device.
3. Anti-falling protection for the Three-in-One electric motor of trolley and crane prevents from accidental falling.
4. All movements can be switched off by actuating the emergency-off switch at the control station via a main contact.
5. High quality long time bearing polyurethane materials buffer fixed at the end of trolley travelling and crane travelling to prevent over traveling.
6. Safety hook latch used for avoiding the lifted material out off from the hook.
7. Audible and visual alarm device to inform the person stay near by the travelling crane.
8. Rain Cover for lifting mechanism of outdoor cranes, electric cabinet and driving mechanism
9. Protective earth conductor is fitted as standard.
10. Voltage lower protection system.
11. Current overload protection system.
Electric Double Beam Grab Overhead Crane Images