Container Spreader and Hook (Dual-purpose)
Category:
Product Introduction
Product Details
Structural Composition
Spreader Section:
Rotating and Fixed Frames: The main structure of the spreader adopts a fully enclosed steel structure, composed of a rotating frame and a fixed frame. The two are closely connected, providing stable support for the entire spreader.
Telescopic Beam: The telescopic beam can slide within the two "Ⅲ" shaped beams of the fixed frame. It extends and retracts through a chain drive driven by a reduction motor. When the telescopic beam reaches the 20ft or 40ft position, the limit switch will send a signal and cut off the power of the reduction motor, stopping the telescopic movement.
Rotating Mechanism: Rotation is achieved by a reduction motor driving a small gear to drive the slewing bearing. Each spreader is equipped with two drive mechanisms, ensuring normal spreader rotation even if one set fails.
Opening and Closing Locking Device: Four floating-type swivel pins are used. The locking pins use a spherical surface acting on a concave spherical bearing surface, allowing for a certain range of swing, enabling accurate insertion into the lifting holes on the container. Two reduction motors on the spreader end beam drive the swivel pins 90° and various proximity switches are installed to detect the opening and closing locking status.
Anti-Overload Device: Anti-overloading sensors are installed at the four corners of the spreader to measure the actual weight of the container and transmit it to the instrument to calculate the offset of the container's center of gravity.
Guide Plate Device: There are fixed guide plates and automatic flip-plate structures to facilitate accurate alignment of the spreader with the container's position, allowing the locking pins to smoothly insert into the container's lifting holes.
Electrical Control System: All electrical equipment and controlled components on the spreader are wired through a junction box, using a dedicated multi-core aviation plug to connect with the pendant cable, facilitating spreader replacement. The junction box shell is made of stainless steel.
Hook Section: Usually a forged hook body, the material has good forging properties, and the surface is shot-blasted to increase the hook's strength and corrosion resistance. An anti-脱钩 (anti-disengagement) device is inside, capable of bearing the corresponding weight, ensuring the safety of the cargo during lifting and preventing disengagement.
Technical Parameters
Lifting Capacity: Generally around 35-45 tons, meeting the lifting needs of common 20ft and 40ft containers. For example, the rated lifting capacity of a certain container spreader and hook (dual-use) spreader is 40.5 tons.
Lifting Speed: Usually around 0-30m/min, adjustable according to actual working conditions and crane configuration. For example, 12m/min fully loaded, 18m/min unloaded.
Rotation Speed: Generally freely selectable within the range of 0.5-2r/min.
Telescopic Time: Generally around 30 seconds, allowing for quick completion of the spreader's telescopic movement, improving operational efficiency.
Lifting Height: Generally around 10-30 meters, adaptable to the needs of different working conditions and material stacking heights.
Performance Characteristics
High Efficiency Operation: The spreader's telescopic mechanism can quickly adjust its length to accommodate 20ft and 40ft containers of different specifications, reducing the time required to change spreaders. The hook section is also very convenient when lifting general cargo, allowing for quick switching of operating modes and improving overall operational efficiency.
Safe and Reliable: The spreader's locking device can firmly lock the container, the hook section has an anti-脱钩 (anti-disengagement) device, and various safety protection devices such as overload protection and limit protection are all included to ensure safe lifting.
Easy Operation: Equipped with an advanced control system, operators in the crane cab can conveniently control the spreader and hook's extension, lifting, and lowering movements through control handles or buttons. The spreader also has an anti-sway function, effectively reducing the sway of the container during lifting, further improving the stability and safety of operations.
Strong Applicability: It can lift both containers and general cargo, making it versatile and greatly improving equipment utilization and reducing equipment investment costs. It can be widely used in ports, docks, logistics warehouses, railway yards, and other locations.
Scope of Application
Mainly applicable to ports, docks, logistics warehouses, container yards, and railway yards for the loading, unloading, and handling of 20ft and 40ft containers and general cargo. It can be used with container gantry cranes, shore container cranes, and other lifting equipment to achieve efficient lifting and stacking of goods.
The above content refers to the introduction of container spreaders and hooks (dual-use) by Henan Yuzhong Crane Group Co., Ltd., and a summary of related knowledge about container spreaders and hooks.
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