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Gantry Crane Cable Reel

Classification:


At a busy port terminal, a gantry crane (likely a type of crane) precisely lifts a container onto a cargo ship. As the crane moves, a black cable, like a flexible "blood vessel," stretches from the ground to the crane. Behind the scenes, the crane's cable reel works silently. It automatically retracts and unreels the cable, providing continuous power to the crane and ensuring its efficient operation.

Product Introduction

At a busy port terminal, a gantry crane (likely a type of crane) precisely lifts a container onto a cargo ship. As the crane moves, a black cable, like a flexible "blood vessel," stretches from the ground to the crane. Behind the scenes, the crane's cable reel works silently. It automatically retracts and unreels the cable, providing continuous power to the crane and ensuring its efficient operation.

Technical Parameters:

Drive motor power0.75 kW-15 kW
Retraction speed0.5 m/min-15 m/min
Constant tension range50 N-500 N
Speed regulation modeVariable frequency/torque motors
Braking response time0.2 s-1 s

 

Decoding the Structure: Cable Management Wisdom in the "Steel Hub"
The design of the door operator's cable reel is a sophisticated fusion of mechanics and electrical engineering:
Spoke Frame: The red steel structure, resembling a "steel hub," is welded from Q235 B steel, offering high strength and light weight. The spoke design distributes stress, ensuring stable operation even when carrying hundreds of meters of cable.
Center Drum: The cable "storage compartment" features a non-slip surface treatment (such as knurling) to prevent slipping. The drum diameter matches the cable's bend radius (e.g., a 35 mm cable corresponds to a drum diameter of ≥350 mm) to prevent cable breakage.
Drive System: A torque motor or hydraulic motor provides constant tension. As the door operator moves, the reel automatically retracts and unretracts the cable, synchronized with the operator (with an error of ≤0.5 m/min), ensuring the cable is always held at the correct tension.

 

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