Surface subsidence distributed optical fiber drill way protection device

The utility model provides a surface subsidence distributed optical fiber drill way protection device, include: PVC optic cable protection pipe, bottom of sleeve are laid and are exposed soil layer department at the optical cable, the optical cable is followed pass in the PVC optic cable protection pipe and expose from the top of PVC optic cable protection pipe, the platform mound, it is reinforced concrete structure, pours the outside of PVC optic cable protection pipe, its degree of depth reaches below the frozen soil layer, and expose more than the soil layer on upper portion, long cubic guard box, be vertical arrange and with the upper portion be airtight connection's of platform mound box, its one side is equipped with the chamber door, it is inside can supply to place with the instrument that cable signal connects, visual toughened glass fixes the top surface at long cubic guard box, can pass through visual toughened glass reads the data of instrument. The utility model disclosescan give 360 degrees pro