What is the difference between a overhead crane and a gantry crane?

2024-12-27


What is the difference between a overhead crane and a gantry crane?

Overhead cranes and gantry cranes have similar functions, both of which are used to lift objects for transportation and hoisting. However, they also have many differences.

Overhead crane(Traveling crane), commonly known as "bridge crane", is called "traveling crane" in factories. It is a lifting equipment that is horizontally erected above workshops, warehouses and material yards for lifting materials. Both ends of the bridge are directly supported on the elevated track through running devices.

Overhead cranes are divided into single trolley and double trolley types, consisting of a bridge, a lifting trolley, a trolley running mechanism and electrical equipment; its two ends are located on tall concrete columns or metal brackets, shaped like a bridge; its bridge is a combination of a box-section main beam and an end beam, running longitudinally along the tracks laid on the elevated tracks on both sides, which can make full use of the space under the bridge to lift materials without being hindered by ground equipment.

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Gantry Crane, also known as gantry crane. The metal structure of gantry crane is like a door-shaped frame, with two legs installed under the main beam, which can walk directly on the ground track. Both ends of the main beam can have outward cantilever beams. It has the characteristics of high site utilization, large operating range, wide adaptability, and strong versatility. It is mainly used for outdoor cargo yards, material yards, and bulk cargo loading and unloading operations.

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Difference 1

Overhead crane is a lifting equipment that is horizontally mounted above workshops, warehouses and material yards to lift materials. 

Gantry craneis a variation of bridge crane, also called gantry crane. It is mainly used for loading and unloading operations of outdoor cargo yards, material yard cargo and bulk cargo.

Difference 2

① The overhead crane is shaped like a bridge because its two ends are located on tall concrete columns or metal brackets.

② The metal structure of the gantry crane is like a door-shaped frame. Two legs are installed under the main beam. It can walk directly on the track on the ground. Both ends of the main beam can have an outward cantilever beam.

Difference 3

① The bridge of the overhead crane runs longitudinally along the tracks laid on the elevated platforms on both sides, which can make full use of the space under the bridge to lift materials without being hindered by ground equipment.

Gantry cranes have the characteristics of high site utilization, large operating range, wide adaptability, and strong versatility, and are widely used in port cargo yards.










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