A bridge double girder crane is a type of lifting equipment widely used in various industrial and construction fields. Its structural design and working principle provide high efficiency and stability when handling heavy objects, ensuring smooth operation in various production processes.
A bridge double girder crane typically consists of the following main parts:
The bridge frame is the main structural component of the crane, usually consisting of two main girders and cross beams connecting them. The bridge frame spans the tracks in a workshop or factory, providing support and mobility.
The lifting mechanism is responsible for raising and lowering the load. It generally consists of an electric hoist that uses steel ropes or chains to lift heavy objects.
The traveling mechanism, consisting of motors and wheels, enables the bridge crane to move horizontally along the tracks. The traveling mechanism is typically installed at both ends of the bridge frame and is responsible for the horizontal movement of the crane.
Modern bridge double girder cranes use electrical control systems to operate lifting, traveling, and other functions via control panels or remote controllers. With technological advancements, many cranes now feature automated control systems that improve efficiency and safety.
The electrical system powers the crane and includes motors, frequency converters, distribution boxes, and other components, ensuring the crane operates smoothly.
The working principle of a bridge double girder crane primarily relies on the coordinated operation of the lifting, traveling, and bridge frame systems:
When the operator activates the lifting mechanism, the electric hoist raises the load using steel ropes or chains. As the hook rises, the load is lifted vertically.
Using the traveling mechanism, the bridge crane moves horizontally along the designated tracks. The operator controls the electric motor to move the crane freely within the workshop, warehouse, or factory to transport goods.
The two main girders of the bridge frame support the entire weight of the crane and ensure its stability during movement. The double girder design helps distribute the load, increasing the crane’s carrying capacity and stability.
The operator controls the lifting and traveling mechanisms through control panels or remote devices to precisely lift and move items. In modern cranes, intelligent control systems automatically adjust load, speed, and direction to further enhance operational efficiency.
Due to their powerful load-bearing capacity and flexible operation, bridge double girder cranes are widely used in industries and locations where heavy lifting is required. Some typical application areas include:
In steel mills, bridge double girder cranes are used to transport steel billets, furnace materials, steel plates, and other heavy items. Their high load-bearing capacity and precise operation allow them to work stably even in high-temperature and harsh environments.
In shipbuilding, bridge double girder cranes are used to move large ship components and equipment. Since ship components are often large and heavy, bridge double girder cranes provide sufficient power and space to meet the demands of the shipbuilding industry.
In ports and freight yards, bridge double girder cranes are widely used for container handling, cargo loading, and unloading. They can efficiently operate on the dock to complete large cargo handling tasks.
On large construction sites, bridge double girder cranes are used to transport heavy construction materials and prefabricated components. They can cover large work areas and provide sufficient load-bearing capacity to handle various needs during construction.
In the warehousing and logistics industry, bridge double girder cranes are used to move heavy items and equipment. They can efficiently move goods in confined spaces, improving warehouse management efficiency.
With its strong load-bearing capacity, flexible operation, and wide range of applications, the bridge double girder crane is an ideal choice for lifting heavy objects in many industries.Contact us for more information about bridge cranes and customized solutions.
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