Introduction
The colored aircraft warning spheres hanging on the high-voltage lines are 600mm in diameter and made of engineering reinforced plastic. They are firmly connected to the cables through cast aluminum wire clamps. They not only provide visual warnings for helicopters to prevent low-altitude collision accidents, but also comply with international civil aviation standards to ensure the safety of ultra-high voltage transmission lines.
Functions:
The purpose of the aircraft warning sphere hanging on the high-voltage line is to remind people to pay attention to safety and avoid touching the high-voltage line. This aircraft warning sphere usually adopts eye-catching colors, such as red or orange, so as to attract attention from a distance. At the same time, it also has a certain physical barrier effect, reducing the risk of people accidentally touching the high-voltage line .
Perhaps you have noticed that on some high-voltage lines, there are some colorful balls hanging. They may be red, white or orange, which look quite eye-catching. These balls are actually called aviation aircraft warning spheres.
Design and material characteristics:
These aircraft warning spheres
have a uniform diameter of 600mm and are available in a variety of colors, such as all white, all orange, all red, and unique orange and white and orange and red. Their spheres are made of durable engineering reinforced plastics , and the connection with the high-voltage cable is achieved through cast aluminum wire clamps to ensure the stability of the connection. In addition, the fasteners are made of stainless steel , which further enhances their durability. The weight of the entire sphere is controlled within 15kg, which ensures safety and portability.
Requirements for the installation of aviation aircraft warning spheres
Installation
The original intention of designing these aviation aircraft warning spheres is similar to that of traffic lights, which are intended to provide visual warnings to helicopters to prevent accidents caused by low-altitude contact with high-voltage wires. In addition, the power towers are equipped with obstacle lights, which flash brightly at night to further enhance the warning effect.
According to the relevant regulations of the International Civil Aviation Organization and relevant national standards, for overhead transmission lines, especially those with ultra-high voltage (such as 500,000 kilovolts) and transmission cables crossing rivers, conspicuous aviation marker balls must be installed on the lines to serve as a warning.
Since overhead transmission lines, especially ultra-high voltage transmission cables, must be equipped with eye-catching aviation marker balls, how should these marker balls be installed? What are their specific requirements? In developed countries with aviation, such as Europe and the United States, the installation and identification of aviation marker balls have formed relatively mature practices. These practices mainly include the following three key links:
on the lightning protection ground wire cable of the overhead tower and set at equal intervals. The spacing should match the diameter of the obstacle light;
② The color of the marker ball can be selected as red, orange or white, and needs to be installed alternately ;
③ In complex environments with multiple wires and cables, the height of the aerial marker ball should at least reach the height of the highest overhead line marked.
Safety is no small matter and preventive measures are essential.
Post time: Jul-03-2025
