El encanto de las diferentes categorías de grúas pórtico

Las grúas pórtico industriales comunes para trabajos pesados, las grúas pórtico Goliath para centrales hidroeléctricas y las grúas pórtico de gran tamaño para astilleros son las tres categorías principales de grúas, y estas tres categorías también tienen diferentes funciones. Y estas tres categorías de grúas pórtico también tienen diferentes encantos.

1.Ordinary industrial heavy duty gantry crane: This kind of crane adopts box-type and truss-type structure, which is the most widely used. It can handle all kinds of pieces of goods and bulk materials, with a lifting capacity of less than 100 tons and a span of 4-39 meters. The ordinary industrial heavy duty gantry crane with grab has higher working level. ordinary industrial heavy duty gantry crane mainly refers to the hook, grab, electromagnetic, hoist gantry crane, but also includes semi-portal cranes.

2.hydropower station goliath gantry crane: used for ship platform assembly hull, often with two lifting trolleys: one has two main hooks, in the bridge on the wing edge of the track running; the other has a main hook and a sub-hook, in the bridge under the wing edge of the track running, in order to turn over and lifting of large-scale hull segments. The lifting capacity is generally 100-1500 tons; the span is up to 185 meters; the lifting speed is 2-15 m/min, and there are 0.1-0.5 m/min of micro speed.

3.shipyardlarge gantry crane: mainly used for lifting and opening and closing gates, can also be installed. Lifting capacity of 80 to 500 tons, span is small, 8 to 16 meters; lifting speed is low, 1 to 5 m / min. shipyardlarge gantry crane is not often lifting, but once the use of the work is very heavy, so it is necessary to appropriately raise the level of work.

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