Mobile gantry crane
Mobile gantry crane is based on the bridge crane, also known as the traveling goliath crane, good versatility, high efficiency, wide operating range. Common mobile gantry crane includes:
1. Ordinary gantry crane. This type of mobile gantry crane is generally box or truss type structure, divided into single beam and double beam, the span can reach 4 ~ 39m, common spreader includes hook, grab, electromagnetic chuck and so on.
2. Shipbuilding gantry crane. This mobile gantry crane is designed for shipyard dispatching ship, roll over the hull and other operations, lifting capacity is 100 ~ 1500t. Shipbuilding gantry cranes are equipped with two lifting trolley, each trolley is equipped with two hooks. One of trolley is equipped with two main hook, the other trolley is equipped with a main hook and a aux hook. The lifting mechanism has the main lifting speed (8/0.8m/min), but also have 0.1 ~ 0.5 / min jogging speed.
3. Container gantry cranes. This mobile gantry crane is used for loading and unloading containers at sea port, airport, etc.
4. Hydropower gantry crane, dedicated to opening and closing the gate, lifting capacity is 80 ~ 500t. This gantry crane hoisting speed id more slow, usually 1 ~ 5m / min.
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