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The dam top floodgate gantry crane is mainly used for hydraulic equipment transport, installation and maintenance of hydroelectric generating units such as floodgates, trash rack etc.

Model & Structure Types

Model MQ gantry crane can be divided into two kinds: unidirectional crane and bidirectional crane. The unidirectional hoist is fixed on the gantry frame. The Gantry runs along the track on the dam. And its service zone is a line, which can only be used to lift a gate of the same row, while the double direction gantry crane is with a trolley running perpendicular to the crane traveling. Thus, the double direction gantry crane can lift the floodgate or trash racks of different rows of upstream side and the downstream side.

Features of Dam Floodgate Gantry Crane

• Steel plate or box-type girder, electric driving motor of lifting mechanism, gear reducing hoist;

• The operating mechanism of the crane is driven by the motor, and the closed operating room is mounted on the frame;

• Running buffer device and windproof rail clamp are equipped under the gantry leg;

• The spreader moves up and down along the gate slot or around the hinge of the gate;

• The opening and closing of the gate in the movable water is related to the size of the load and the water hydrodynamic pressure;

• For large span gate, it needs double lifting points and keep synchronization;

• Large Lifting capacity, low speed, low work level, generally not more than 4 m / min, only for some quick gate, it can reach 10-14 m / min;

Classification of Dam Crane Hoist

• Fixed type winch hoist: winding type, rack type, chain type, screw type and hydraulic type;

• Mobile type winch hoist: gantry type, semi-gantry type, bridge and trolley type;

Customized Dam Floodgate Gantry Hoist Solutions

Weihua Crane provides fully customized Dam Floodgate Gantry Hoist solutions designed for hydraulic engineering, reservoir and dam operations, offering high lifting capacity, precise handling, and reliable performance for floodgate opening and closing management.

Key parameters such as lifting capacity, span, lifting height, and rail gauge can be flexibly adjusted to suit different dam site layouts and floodgate hoisting requirements, ensuring efficient and safe operations.

Optional Configurations

• Electric or hybrid drive trolley options

• Automated control and remote operation system

• Anti-sway and positioning system for precise floodgate handling

• Energy-saving drive systems and regenerative braking

• Customized design to match specific dam and reservoir rail layouts

Our engineering team ensures high efficiency, safety, and long-term reliability, providing advanced solutions for modern hydraulic engineering, reservoir and dam floodgate operation projects.