Landing laying construction device for long-distance submarine cable

The utility model discloses a landing laying construction device for a long-distance submarine cable, and relates to the technical field of submarine cables. An existing submarine cable is inconvenient to lay, mount and dismount. The device comprises a base, a sliding groove is formed in the middle of the top of the base, the inner walls of the two sides of the sliding groove are rotationally connected with the same two-way threaded rod, sliding blocks are arranged on the two sides of the outer wall of the two-way threaded rod in a sliding mode through threads, a limiting groove is formed in the bottom of the sliding groove, and limiting blocks are arranged on the two sides of the inner wall of the limiting groove in a sliding mode. The limiting blocks are fixedly connected with sliding blocks, movable plates are fixedly connected to the tops of the sliding blocks, and fixed plates are arranged on the opposite faces of the two movable plates. According to the technical scheme, the operation is simple, and the