Industry News
Innovative Rotating Drum Guardrail System Reduces Roadside Collisions
Recently, Guangxi expressway for the first time installed a new protective equipment - "revolving guardrail". The "rotating guardrail" consists of a number of rotating anti-collision barrels arranged, if the car crashes into the guardrail during high-speed driving, these rotating barrels can quickly transfer the impact force, while absorbing the impact force, change the direction of the car impact, reduce the impact, and reduce the degree of injury in the accident. In addition, these special rotary anti-collision drums also have the advantages of chemical corrosion resistance, anti-ultraviolet aging, and so on, under normal circumstances, its service life will be more than ten years.
The rotating drum guardrail adopts the mode of "one column and four columns", which can effectively prevent the car from crossing the guardrail and driving out of the driving lane by strengthening the performance and installation of the column and guardrail. And pioneering the use of a rotating structure, the elastic and crash-resistant rotating drum support on the column, so that the rotating drum can rotate freely on the column, through the free rotation of the rotating drum to decompose the car impact force, so that perpendicular to the guardrail direction of the impact force is broken down parallel to the guardrail direction, is effectively absorbed and reduced by the rotating drum. Thus effectively reduce the consequences of traffic accidents.
The rotating barrel is made of EVA and polyurethane composite material. This high-strength EVA and polyurethane material itself is elastic and crash-resistant and wear-resistant, which can avoid the rotating barrel being smashed when it is impacted, effectively protecting the guardrail and the driver and passenger. In addition to good anti-collision wear resistance, it also has the advantages of chemical corrosion resistance, ultraviolet aging resistance, weather resistance, not easy to break, beautiful appearance is not easy to fade, in outdoor natural conditions, the service life of at least ten years. In the event of a traffic accident, when the car hits it, the energy of the collision is converted into the energy of rotation through rotation, to maintain the normal direction and speed of the car, to minimize the incidence of traffic accidents, to protect people's personal life safety, and to provide a new road safety guarantee. It is especially suitable for installation and application in accident prone areas such as tunnel entrance, central isolation belt, fast turning zone and complex intersection. It is worth mentioning that the rotating barrel has a strong resilience, even if it is severely impacted, it can be immediately restored to its original form. In addition, the rotating bucket has bright colors, yellow, orange, green, etc., a high degree of bright reflection effect, eye capture function, can cause the driver's attention, reduce the accident rate, especially to ensure their safety at night and in rainy days.
The anti-impact rotary guard rail is a "revolution" on the high-speed guard rail. At present, the product has obtained 22 invention patents, and is widely used in South Korea, Japan, the United States and other countries, and the traffic accident death rate in the use of areas has been reduced by more than 90%. This product has passed the crash test of small cars and large trucks in the highway test field of the Ministry of Communications and has obtained success, and the test results have reached the technical standards of SB and SBm grade guardrail anti-collision grade. It can be believed that in the near future, "rotating bucket guardrail" will become a unique landscape on China's highways and ordinary roads, it will also change the 50-year history of guardrail, bring a new traffic protection concept, create a new road environment, and become a life project for the benefit of future generations. Used for highway, highway, road crash guardrail. In order to protect the safety of drivers, reduce the damage caused by the impact. Polyurethane EVA(rubber and plastic) is an emerging organic polymer material due to its excellent properties.
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