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        The number of various construction projects in our country is constantly increasing, and the strength is also constantly increasing. More and more large lifting machinery is being used in the construction of highways, railways, and bridges, among which gantry cranesBridge erecting machineandgantry craneThe application scope of mechanical equipment in various forms is more extensive. Portal crane is essentially a modified form of bridge crane, mainly used for loading and unloading operations of outdoor cargo yards, material yards, and bulk cargo.

        For road lifting machinery and equipment, gantry cranes aregantry craneIts construction has certain differences, but the main application scenarios are very similar. We also use gantry cranes in the process of shipbuilding to load and unload various goods, including shipbuildinggantry craneMainly used for assembling ship hulls on slipways, there are two crane trolleys available: one has two main hooks and runs on the track of the flange on the bridge frame; The other one has a main hook and a secondary hook, which run on the track of the lower flange of the bridge to flip and lift large ship sections. The lifting capacity is generally 100-1500 tons; Spanning up to 185 meters; The lifting speed is 2-15 meters per minute, with a micro movement speed of 0.1-0.5 meters per minute.http://www.ahzyzg.com