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Gantry Crane

Gantry crane overview


Gantry Crane is a variant of bridge cranes, mainly being used for loading and unloading operation of the outdoor goods yard, stock ground and bulk cargo. Its metal structure is like a portal framework. Two stabilizer blades are installed under the load girder and it can walk on the tract of the ground directly. Two ends of the girder can have outriggers on them. We design, manufacture, install and maintain an extensive range of ganty cranes, we can also provide a tailor-made solution for your processes.


Gantry crane types 


There are various gantry crane types classified by purpose.


Gantry crane typesLifting capacitySpan
General gantry crane<100 ton4-39m
Hydropower station gantry crane80-500 ton8-16m
Shipbuilding gantry crane100-1500 tonUp to185m
Container gantry crane20, 25, 30 tonUp to 60m


Factors that affect gantry crane design


Gantry crane girder design. According to the main beam structure, gantry cranes are divided into single girder gantry crane, double girder gantry crane, truss girder gantry crane, and box girder gantry crane, etc.

Indoor or Outdoor Use. The working environment of the crane affects the choice of crane materials and its electrical components. Considering extreme temperatures, weather exposure and harsh working environments will help us choose suitable materials and processing techniques.

Speed. Gantry cranes are widely used, but their loads usually move at a slower speed. If you need higher operating speeds, you may want to consider using other types of cranes.

Span. The span of the gantry crane is an important factor affecting the crane design. When you choose, the span should be reduced as much as possible on the premise that the equipment usage conditions and the span standard are met.


Gantry crane design standards


In the machiner and equipment industry, there are corresponding standards for the production and inspection of general gantry crane.These standards cover design, manufacturing, material selection, and even painting. The design of gantry cranes must follow the specifications and regulations such as gantry crane construction guidelines and safe operation guidelines. All gantry cranes manufactured or sold by Zhonggong comply with the requirements set by these organizations.

Products
EOT Crane

Advantages of Gantry Crane

High-usage
Large working range
Wide use
Strong universality

Features of Gantry Crane

Gantry cranes are lightweight and portable and use legs to support the bridge, trolley, and hoist. They can travel on single or double rails on the ground. The maximum load capacity of these cranes can reach up to 100 t, the maximum span up to 40 m, and the lifting height up to 15 m. The crane can operate in indoor and outdoor environments from -20°C to +40°C. 

Features of Gantry Crane

Production Process Of Gantry Crane

Steel Pretreatment
Steel Pretreatment
Uncoiling & Leveling
Uncoiling & Leveling
CNC Material Cutting
CNC Material Cutting
Welding
Welding
Polishing
Polishing
Machining
Machining
Paniting
Paniting
Pre-assembly
Pre-assembly
Commissioning & Testing
Commissioning & Testing
Transportation
Transportation
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