Rat-proof overhead central tube type lead-in optical cable and preparation method thereof

The invention discloses a rat-proof overhead central tube type lead-in optical cable and a preparation method thereof, the rat-proof overhead central tube type lead-in optical cable comprises an optical fiber, an oil-filled central sleeve is attached and positioned on the outer side surface of the optical fiber, glass fiber yarn is attached and positioned on the outer side surface of the oil-filled central sleeve, an inner sheath is attached and positioned on the outer side surface of the glass fiber yarn, and the inner sheath is attached and positioned on the outer side surface of the oil-filled central sleeve. The inner sheath is provided with a tearing rope and a fiber reinforced composite material, and an outer sheath is attached and positioned on the outer side surface of the inner sheath. According to the rat-proof overhead central tube type lead-in optical cable and the preparation method thereof, the central tube type design is adopted, the glass fiber yarn and the parallel FRP serve as tensile elemen