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Ship-to-Shore Container Crane

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Apply : The Ship-to-Shore Container Crane(STS), commonly referred to as the "Quay Container Crane",is the iconic equipment at modern container ports and terminals. Serving as the core machinery for loading and unloading container ships at berths, it efficiently handles the transfer of containers between the vessel and the shore.

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Product Overview

The Ship-to-Shore Container Crane (STS, also known as a Quay Container Crane or Quayside Container Crane) is a core piece of equipment in port terminals for loading and unloading container ships. It is typically positioned along the berth front, consisting of a tall portal frame, a movable trolley, and a spreader system. By traversing along rails, the crane covers the operational area to transfer containers between vessels and the terminal. Designed to efficiently handle standard 20-foot to 40-foot containers, the STS is an indispensable asset in modern maritime logistics.

Product Feature And Application

Features of Ship-to-Shore Container Crane (STS):

High-Efficiency Handling
STSs boast substantial lifting capacities (typically 40-100 tons) and high-speed hoisting/trolley movement, enabling rapid container operations and significantly reducing vessel berthing time.

Adaptive Structural Design
The portal frame reaches heights of 70-130 meters, with an outreach (seaward span) exceeding 60 meters to accommodate ultra-large vessels, while the inreach (landward span) ensures seamless integration with terminal transport systems. Advanced models employ dual-trolley systems to further optimize productivity.

Intelligence and Sustainability
Equipped with automated positioning, container identification, and remote-control systems, STSs support unmanned operations. Electrically driven mechanisms coupled with energy regeneration technology minimize power consumption and carbon emissions.

Application of Ship-to-Shore Container Crane (STS):

STSs are widely deployed in international container hubs, deep-water terminals, and automated ports. They serve vessels ranging from feeder ships to 20,000 TEU-class ultra-large container vessels, efficiently linking ship-to-shore operations with landside transport (e.g., trucks, AGVs). In automated terminals, STSs synergize with intelligent management systems to drastically enhance throughput capacity, underpinning the smooth flow of global trade.

Main Components of a Ship-to-Shore Container Crane (STS):

1. Portal Frame

Girder: Horizontal support structure spanning between the dock and ship, carrying the trolley rails.

Legs: Vertical columns supporting the girder, divided into sea-side legs (extending toward the sea) and land-side legs (extending toward the land).

Front and Rear Tie Rods: Diagonal supports to enhance overall stability.

2. Hoisting System

Wire Rope & Sheaves: Driven by drums to control vertical movement of the spreader.

Hoist Motor & Gearbox: Provide power for lifting and lowering containers.

Equalizer Beam: Distributes load across multiple ropes to ensure balanced force.

3. Trolley System

Trolley: Moves horizontally along the girder rails, carrying the spreader for container transport.

Drive Motors & Wheels: Enable precise trolley positioning.