Movable Module for Hoisting Telescopic Towers and Method for Hoisting Telescopic Towers

A movable module for hoisting telescopic towers, suitable for hoisting an ascending section of a tower hoisted in relation to a supporting section immediately outside of said tower, and the movable module also being suitable for being temporarily fixed to the head of said supporting section,

• the movable module:
• at least one hydraulic jack;
• at least one hoisting cable formed by a plurality of strands going through said hydraulic jack, such that one end of the hoisting cable protrudes from an upper part of the hydraulic jack and the other end of the hoisting cable protrudes from a lower part of the hydraulic jack;
• and
• grouping means positioned substantially at one end of the hoisting cable, keeping the strands making up said hoisting cable grouped together, and wherein the mean diameter D of said cable is less than 4·d·(N)1/2, where d is the mean diameter of the strands forming the hoisting cable and N is the total number of strands forming the hoisting cable;
• a supporting frame to which a lower part of the hydraulic jack is fixed, and comprising a channel for the step of the hoisting cable;
• wherein said movable hoisting module allow s a two-way movement of the hoisting cable through the hydraulic jack and said hoisting cable is able to both be extended in the essentially descending direction and be taken up in essentially the ascending direction;
• and wherein the movable module comprises a cable take-up element which allows said movable module to adopt a transfer position in which the hoisting cable is completely drawn in or taken up, and in which the lower end of the hoisting cable and the grouping means are housed in the channel of the frame.