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3. Because the integrity of this type of slide wire causes maintenance and inspection difficulties, the maintenance of the slide wire must be replaced as a whole and the cost is increased.
4. Not suitable for high speed 5. Not suitable for lateral fixation 6. Cannot be applied to certain temperature conditions.
A. Single-pole trolley wire The single-stage trolley wire is divided into H-type single-stage safety trolley wire and high-temperature rigid body trolley wire. The high-temperature rigid body trolley wire can be divided into steel-based copper conductor slip wire and steel-based aluminum conductor slippery wire. Line (divided into I-beam type and H-type), unipolar safety slip line is mainly used in normal temperature conditions, steel-based slip line is mainly used in high ambient temperature conditions, usually the conductor is bare line. Advantages: 1. Can be Multiple systems can be used on one system 2. Currents can be supplied with large amperage 3. High speed can be used 4. Multi-point power supply to reduce voltage drop 5. Long-distance systems can be provided 6. Easy to inspect and repair 7. Can provide side-mounted, intermittent and curved system 8. Can be used outdoors 9. Usually has a long service life Disadvantages: 1. A large number of conductors require a lot of space 2. Not suitable for dangerous situations with high explosive gas 3. Can not be applied to certain temperature conditions B. Tubular multi-pole slide wire Advantages: 1. Occupies less space 2. Multiple devices can be used on a single system 3. Multi-point power supply Disadvantages: 1. Generally limited in the type and material of the conductor 2. It can be generated by the friction of the environment dust and the contact shoes. Conductive dust and shrinkage can cause internal contact surfaces to catch fire and burr problems, causing the slide wire to be easily damaged.