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Beijing Capital Airport’s Secret Weapon: How This Retractable “Sky Corridor” Spares Millions of Passengers from Wind and Rain Discomfort?

At 6 a.m. in Beijing Capital Airport Terminal 1, the first wave of departure peaks has already begun. Suddenly, a torrential downpour and thunderstorm rage outside. Passengers heading to remote aircraft stands frown—they remember the past ordeal: the mere few dozen meters from the boarding gate to the shuttle bus often meant a frantic dash through wind and rain.

Today, however, a scene of intelligent modern transportation infrastructure unfolds: outside the boarding gate, a crystal-clear glass corridor magically extends, seamlessly connecting with the shuttle bus door. Passengers pull their luggage, walking calmly through the storm, their clothes dry and their steps unhurried.

This is the transformation brought by Beijing Capital Airport’s newly upgraded electric retractable weatherproof corridor system. And the company that made it a reality is Sunrim, a leading Chinese manufacturer of retractable structures.

An Intelligent Solution to a Traditional Pain Point

As one of China’s busiest aviation hubs, the boarding process for remote stands at Capital Airport’s T1 terminal has long been constrained by weather. “Getting soaked in the rain, sweating in the summer, and facing piercing cold winds in winter” was once a common memory for passengers. Airport operations faced dual pressures of improving service quality and optimizing operational efficiency.

While traditional fixed boarding bridges could solve the problem, the mobility requirements and spatial constraints of remote stands made this solution difficult to implement. The airport needed an innovative solution that was both flexible and space-efficient on the tarmac.

“We didn’t need a fixed structure, but an ‘intelligent moving’ solution,” recalled the head of Capital Airport’s equipment department during the selection process. “It had to deploy instantly in bad weather and retract completely in fair weather, without disrupting normal airport operations.”

Sunrim’s “Transformative” Expertise

This is precisely where Sunrim’s technical strength lies. As a leading Chinese provider of retractable structure solutions, Sunrim deeply integrated modular design philosophy with intelligent control technology to tailor a revolutionary electric retractable weatherproof corridor system for Capital Airport.

The secret of this corridor lies in its ingenious structural design: a high-strength aviation aluminum frame and special safety glass provide rock-solid stability in extreme weather; a precision track system and multi-point synchronous drive technology ensure the dozens-of-meters-long corridor can smoothly extend or retract within 60 seconds; an intelligent sensing system interfaces in real-time with airport flight information, enabling automated “plane arrives, corridor extends” operation.

Even more impressive is its adaptive design: special docking mechanisms at the corridor base self-adjust to height differences between various shuttle bus models, achieving a “seamless connection”; an adjustable ventilation system ensures air circulation inside the corridor, preventing stuffiness; integrated nighttime lighting not only provides guidance but also becomes a technological landmark beside the runway.

Craftsmanship in Technical Details

Sunrim engineers revealed more technical specifics: “For the system we designed for Capital Airport, each retractable module is equipped with independent drive and backup systems, ensuring no single point of failure affects overall operation. The corridor’s expansion joints use patented sealing technology, preventing any water leakage even in heavy wind and rain.”

The system also integrates multiple safety protections: anti-pinch sensors, emergency stop buttons, automatic strong wind locking… every detail has undergone thousands of tests to ensure absolute reliability in the unique airport environment.

The Birth of an Industry Benchmark

After the electric retractable weatherproof corridor at Capital Airport T1 terminal became operational, it immediately received widespread praise. Data shows that at boarding gates covered by the corridor, boarding efficiency during extreme weather increased by 40%, and passenger satisfaction rose by 35 percentage points.