Thursday, 16 June 2022
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Product Type: MG
Lifting Capacity: 5t~500t
Span: 12~35m
Lifting Height: According your demands
Working Class: A5,A6
Ambient Temperature: -20~40℃


Box beam double girder gantry crane, with double beam hoist crab /open winch trolley for heavy duty load handling, 5 ton - 550 ton. Gantry crane for sale. The box type double-girder gantry crane is a heavy duty gantry crane with two girders that is commonly used for general purposes. Double girder gantry cranes are heavy-duty cranes that are used both indoors and outdoors in situations where overhead crane runways are impractical. The capacity of the double girder gantry crane ranges from 5 to 500 tons. The gantry crane's working classes are A5 and A6.


Because the lifting capacity of a box girder gantry crane can reach hundreds of tons, it is also classified as a heavy duty gantry crane. In comparison to the single girder gantry crane, the gantry crane has a higher carrying capacity, a larger span, and better stability; therefore, it will be much more expensive.The double girder gantry crane are usually adopted for large and heavy loads handling in outdoor workplaces such as ports, shipyards, warehouses, and construction sites.

Are you looking for reputable manufacturers of double girder gantry cranes? Yuantai Crane may be the best option for you!

Application of double girder gantry crane
Double girder gantry cranes are heavy-duty cranes used both indoors and outdoors when overhead crane runways are impractical. The double girder gantry crane is commonly used for handling large and heavy loads in outdoor workplaces such as ports, shipyards, warehouses, construction sites, freight yard or dock, and so on.

Box girder gantry crane for outdoor application Box girder gantry crane for outdoor application
Box girder gantry crane for indoor application Box girder gantry crane for indoor application
Advantages of double girder overhead crane with box type beam
The box girder gantry cranes are subjected to stringent quality control and inspection by our specialists to ensure a safe and efficient operation in your workplaces. The heavy duty double girder gantry crane has a number of advantageous features, which are as follows:

Large load capacity The double girder gantry crane has a large load capacity and smooth transportation because it can handle heavy loads of 20 ton, 30 ton, 50 ton, 100 ton, and more. It is capable of achieving stable and dependable operation in workplaces.
High work efficiency The lifting gantry crane equipment promotes work efficiency and reduces manual labor significantly.
Large working coverage The box girder crane can achieve large lifting coverage in outdoor locations and also easily expand the coverage.
Simple Installation and maintenance The double girder gantry’s installation, disassembly, and maintenance are all simple.
Durable performance Due to the use of high-quality components and precision machining, the box girder gantry crane has a high quality and long-lasting performance.
Components of Double Girder Gantry Crane
The bridge, trolley, crane traveling mechanism, and electric system are the main components of a typical box type double girder gantry crane.

The box girder gantry crane can be customized according to your lifting requirement and application conditions. For different loads handling, the box type double girder gantry cranes can be equipped with grab bucket, container spreader, and other special lifting devices to meet your lifting requirement and ensure your material handling efficiency.

Main body of gantry structure

Double welded box beams with camber lines that meet and exceed national standards.
End beams or ground beam are equipped with a buffer block and an orbital cleaning device.
On the trolley section of box girder gantry .

The gantry trolley parts primarily consist of a motor, a speed reducer, a brake, a coupling, wheels, and coiling blocks.
A modular design with various types of combination are flexible to meet the meets of various customers.
Electric System of heavy duty gantry crane

Module control speed, micro-speed and double speed are available.
Reasonable designed control box layout is easy to repair.
High protection class IP55.
Protection devices of double girder gantry

Shields and barriers are set to prevent the hook clashing the top.
Rail clamps , Anti-collision, sound and light alarm devices.
Rainproof devices are equipped with lifting mechanism, and electrical control box when the cranes is placed outdoors.
Lifting weight limitation, height limitation, rail clamping devices
Speeding protection, Circuit self-test protection,zero pressure protection, the lightning protection
Operation devices on your overhead gantry

Driver room/ driver cabin with broad vision, safe and easy to operate.
Remote control, no need of professional driver. Life of 500000 times;
Protection class IP65
Main girder - main part of box beam double girder gantry craneMain girder - main part of box beam double girder gantry crane
Supporting leg - main part of box beam double girder gantry craneSupporting leg - main part of box beam double girder gantry crane
Gantry trolley - main part of box beam double girder gantry craneGantry trolley - main part of box beam double girder gantry crane
Crane wheel - main part of box beam double girder gantry craneCrane wheel - main part of box beam double girder gantry crane
Crane driving - main part of box beam double girder gantry craneCrane driving - main part of box beam double girder gantry crane
Gantry cable reel - main part of box beam double girder gantry craneGantry cable reel - main part of box beam double girder gantry crane
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