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What are the types of pedestrian passage gates? What are the advantages and disadvantages of the pedestrian passage gate? Many consumers are not very familiar. At present, it can be said that the use of pedestrian passage gates is very extensive, such as in bus stations, airports, communities, schools, supermarkets, scenic spots, etc., which manages people's daily life. The order of travel, then what are the types of pedestrian passage gates and the advantages and disadvantages of the pedestrian passage gates?
The three-roll gate is also called three-bar gate, three-bar gate, three-roll gate, roller gate, and rolling gate. The blocking body (brake) consists of three metal rods, which are generally triangular in shape, and are generally made of hollow stainless steel tubes. They are strong and not easily deformed, and are blocked and released by rotation. The three-roll gate is the earliest type of gate, and it is the most mature and perfect development to date, but it is gradually replaced by the subsequent swing gate and wing gate. From the movement control method, it is divided into mechanical, semi-automatic and fully automatic. From the form of vertical and bridge type, the vertical three-roll gate is small in size and easy to install; the bridge three-roller has a longer passage and higher security.