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Double girder overhead crane is used to lift indoor objects with heavy load. Generally speaking, it uses trolley with hoist as lifting mechanism moving on the track of main girder. It is widely used in material handling sites such as mines, factories, docks and warehouses. And it is divided into 2 working grades of A5 and A6 according to the operation frequency.
Double girder overhead crane is made up of crane span structure, trolley, crane moving system and electrical system.
Main technical parameters
| Product Model | QD16 | QD20 | QD32 | QD50 |
|---|---|---|---|---|
| main hook lifting capacity(t) | 16 | 20 | 32 | 50 |
| span (m) | 10.5-31.5 | 10.5-31.5 | 10.5-31.5 | 10.5-31.5 |
| main hook lifting height (m) | 16 | 12 | 16 | 12 |
| auxiliary hook lifting height (m) | 18 | 11 | 18 | 16 |
| main hook lifting speed(m/min) A5 | 7.9 | 7.2 | 7.8 | 5.9 |
| main hook lifting speed (m/min) A6 | 13 | 9.7 | 9.5 | 7.8 |
| trolley moving speed(m/min) | 44.6 | 44.6 | 42.4 | 38.5 |
| auxiliary hook lifting capacity(t) | 3.2 | 5 | 5 | 10 |
| auxiliary hook lifting speed (m/min) | 14.5 | 12.7 | 19.5 | 13.2 |
| crane moving speed (m/min)A5 | 84.7 | 84.7 | 87.6 | 74.6 |
| crane moving speed (m/min)A6 | 12.5 | 112.5 | 101.4 | 86.6 |
| power （Kw） | 85 | 100 | 120 | 150 |
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