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The bollard is a facility for ship mooring installed in the superstructure of the wharf. The bollard is generally made of a metal material and is named because it has a column shape.
The bollard is designed and selected according to the berth capacity and the structure of the wharf to meet the requirements of safe, reliable and easy to use operations such as docking, berthing, mooring and turning. The bollard consists of a casing, a bolt, a nut, a washer, an anchor plate, and a core packing. Bollard split iron (HT200) and cast steel (ZG230-450), specification: 50KN-2000KN
According to the purpose, there are common bollards, storm bollards, test bollards, etc.
The position of the center of the common bollard is generally about 0.5~0.8 meters from the front line. It is too close to be easily hit by the ship when it is separated from the ship. It is not safe to operate the cable. Too late, it hinders the loading and unloading of machinery and damages the cable. For armored and ship repair terminals, because the front edge has a power box and other facilities, the ship's column is required to be slightly far from the leading edge line, about 0.8~1.0 meters.
The storm bollard is used for the tethering of the ship during the storm and is usually located at the rear of the wharf. Some ports have few opportunities for typhoons, or ships that do not shelter from the wind during high winds, so there are no storm bollards; in some ports, in order not to hinder the operation of loading and unloading transport machinery, there is no storm bollard behind the docks. Increase the size of the common bollard so that it can be used in high winds.