Repair/cleaning scaffolding tower for wind turbines

Abstract

The invention relates to a repair/cleaning scaffolding tower for wind turbines, having an open and closed metal structure that is semi-automatic, including a robotic arm that supports a variable shape basket, with between three and an infinite number of sides depending on requirements. The basket includes a safety device allowing the same to be removed immediately from the path of the blades. In addition to the robotic arm, the invention includes an L-shaped structural piece that supports a gangway used for maintaining the gondola. The repair/cleaning scaffolding tower includes a ring clamp with a gangway for maintaining the mast tower and several ring clamps without a gangway for stabilising the scaffolding tower.

1 . A repair/cleaning tower for wind turbines, comprising the base of the scaffolding tower, a structural displacement stretch of the robotic arm, the robotic arm, the basket, the vents, the vent anchoring, rubberized wheels and an electromagnet.
 Closed metal structure base with rounded corners and with convex wheels inside its structure, one side being open in order to introduce the various stretches of the scaffolding tower with a closed metal structure with rounded corners and convex wheels inside the stretch, this having an open side, the ends being cylindrical in form to allow the wheels of the structural displacement stretch to pass.   Structural displacement stretch which is moved inside the scaffolding tower and is formed by the closed metal structure having an open side with rounded corners, a zip system, motors and crowns. The open side enables the robotic arm to move.   Robotic arm which comprises a crown of the rotation system and an automatic levelling cam system.   Basket formed by a semi-automatic manual security system for workers and the blades and various stretches with a metal structure coupled to one another, by means of conical bearings and crowns for rotation which are coupled in such a way that they are parallel to the blade. The stretches have a gangway, safety elements and the cleaning systems, scanning systems and photography systems.   Structural “L-shaped” piece assembled by means of penetrating the robotic arm, which is inside the structural displacement stretch and is secured by means of a pin.   Gangway for stepping on, fitted in the upper portion of the structural “L-shaped” stretch, formed by a light variable form metal structure, with railings, safety skirtings and the various cleaning systems, scanning systems and photography systems. The gangway also has a complementary gangway which facilitates access, from the same, to the ring clamp with a gangway and vice versa. The gangway of the robotic “L-shaped” arm has a number of joints and bracing, thereby reaching the maximum stability and security of the same.   Ring clamp with a gangway formed by two symmetrical variable form metal structures with a number of joints and bracing. The structure has a number of rubberised wheels, in the upper and lower portions of the same, with a pneumatic system controlled by a pressure regulator, in order to achieve balance and stability in the scaffolding tower, as the auto mounting Is moved on the mast tower. The structure has a gangway for stepping on, railings, safety skirtings and the various cleaning systems, scanning systems and photography systems.   Ring clamp without a gangway formed by two symmetrical variable form metal structures, which are coupled parallel to the perimeter of the mast tower of the turbine, which are built into the upper portion of the base and which, in a number of stretches of the scaffolding tower are necessary. The structure has a number of rubberised wheels fitted in the upper and lower portions of the same. The wheels have a pneumatic system controlled by a pressure regulator, in order to achieve balance and stability in the scaffolding tower as the auto mounting is displaced on the mast tower.