The Function of Hoists in a Bridge Crane

A bridge crane, also known as an overhead crane, consists of a bridge that spans over an area where heavy materials are placed. The bridge provides support for a trolley that runs along the bridge and is used to move the heavy materials. Overhead cranes are commonly used in factories, warehouses, and construction sites to move heavy materials between different areas of the factory or warehouse or to load and unload materials from trucks. These cranes have two crucial parts: hoists and trolleys. Let’s take a look at how these parts work.

QDX200T Double Girder Overhead Crane
QDX200T Double Girder Overhead Crane

What is a hoist?

A hoist comes with a drum or lift wheel that has rope or chain wraps. It helps to easily lift or lower the load. The load is attached to the hoist by means of a hook or other type of suspension device. The advantage of using a hoist is that it can greatly reduce the amount of physical exertion required to move the load. In some cases, it can also provide greater control over the movement of the load. Bridge cranes(grua viajera tipo puente) typically use an electric hoist, which consists of an electric motor that drives a lift wheel or drum. The rope or chain is wound around this lift wheel, and the load is attached to the free end of the rope or chain. When the electric motor is activated, it turns the lift wheel, and this, in turn, causes the load to be raised or lowered.

What is a trolley?

A trolley operates in a bridge crane by suspending the load from the bridge. The bridge crane then travels along the rail, which is supported by the pillars on either side of the track. The trolley is operated by a hand lever or a foot pedal, which controls the speed and direction of the trolley. The operator can also use a controller to raise and lower the load on the trolley. The bridge crane(precios puente grua) is used to move heavy loads from one location to another, and the trolley allows the operator to position the load precisely.

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What is a bridge?

In order for the overhead crane to operate, there must be two parallel runways with a bridge spanning the distance between them. The bridge is supported by two end trucks, which ride on the runways. The bridge itself consists of two girder beams, which are connected together at the center by means of a pinion gear. This gear allows the bridge to rotate around a vertical axis, allowing the crane to move heavy loads from one side of the runway to the other. To move the loads, the crane operator uses a system of ropes and pulleys attached to a hoist, which is mounted on the bridge. By moving the hoist along the length of the bridge, the operator can raise or lower the load as needed.

Operating an Aicrane bridge crane can be a daunting task if you are not familiar with the equipment. However, by following the instructions of the manufacturer and following proper safety procedures, you can safely use the machine to move heavy objects from one place to the other.

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