- Self-climbing device for vertical and quasi-vertical concrete surfaces, of the type used in its construction, assembly, maintenance and/or repair to raise and lower various types of associated metal structures, comprising a main body, formed by a vertical metal structure, chosen from the group formed by lattice, tube, circular section, quasi-rectangular, equipped with a main beam, vertically disposed, by way of displacement rail, characterized in that it comprises at least upper, intermediate and lower self-motorized trolleys, independent of each other and separately controllable, displaceable along the main beam of the main body, the upper, intermediate and lower self-motorized trolleys having means of vertical displacement with respect to the main body, wherein the means of vertical displacement of the upper, intermediate and lower self-motorized trolleys, with respect to the main body comprises one or several first motors, with gearboxes and pinions or attack gears, all disposed on a sliding part, which are connected to one or several racks vertically disposed on the main beam of the main body, locking means of vertical displacement with respect to the main body, wherein the locking means of vertical displacement of the upper, intermediate and lower self-motorized trolleys, with respect to the main body, are located in a displaceable chassis anchoring means to the working wall, wherein the anchoring means to the working wall of the upper, intermediate and lower self-motorized trolleys, comprises a protuberance of an anchoring chassis, emerging in the face adjacent to the working wall, equipped with one or several locking elements actuable and laterally disposed on said protuberance, with the protuberance being of shape and size that coincide with anchoring housings disposed in the working wall, in vertical line, and with these anchoring housings having locking housings, of size, shape and position that coincide with the locking elements, means of horizontal displacement with respect to the working wall, wherein the means of horizontal displacement of the upper, intermediate and lower self-motorized trolleys, with respect to the working wall comprise at least two linear actuators, actuated by second motors, disposed on the sides of the sliding part, and traversing the displaceable chassis through an opening, and connected at their ends with the anchoring chassis by means of vertically positioned rotation axes, and rotation means of the main body, in the horizontal plane, with respect to the working wall, wherein it comprises an associated metal working structure, solidly joined to the main body, chosen from the group formed by crane, working platform, scaffolding, shuttering and supports. means of vertical displacement with respect to the main body, wherein the means of vertical displacement of the upper, intermediate and lower self-motorized trolleys, with respect to the main body comprises one or several first motors, with gearboxes and pinions or attack gears, all disposed on a sliding part, which are connected to one or several racks vertically disposed on the main beam of the main body, locking means of vertical displacement with respect to the main body, wherein the locking means of vertical displacement of the upper, intermediate and lower self-motorized trolleys, with respect to the main body, are located in a displaceable chassis anchoring means to the working wall, wherein the anchoring means to the working wall of the upper, intermediate and lower self-motorized trolleys, comprises a protuberance of an anchoring chassis, emerging in the face adjacent to the working wall, equipped with one or several locking elements actuable and laterally disposed on said protuberance, with the protuberance being of shape and size that coincide with anchoring housings disposed in the working wall, in vertical line, and with these anchoring housings having locking housings, of size, shape and position that coincide with the locking elements, means of horizontal displacement with respect to the working wall, wherein the means of horizontal displacement of the upper, intermediate and lower self-motorized trolleys, with respect to the working wall comprise at least two linear actuators, actuated by second motors, disposed on the sides of the sliding part, and traversing the displaceable chassis through an opening, and connected at their ends with the anchoring chassis by means of vertically positioned rotation axes, and rotation means of the main body, in the horizontal plane, with respect to the working wall, wherein it comprises an associated metal working structure, solidly joined to the main body, chosen from the group formed by crane, working platform, scaffolding, shuttering and supports.