Patent ID: 7178406
Filing Date: 2007-02-20
Classification: F03D,F05B,G01M

Abstract:
1. A test bench for wind turbines, comprising a test bed ( 1 ) on which the assembly ( 6 ) to be tested is mounted, load application means for applying loads on said assembly, a data collection system, and a general control system, characterised in that the assembly ( 6 ) to be tested is mounted on the foundation ( 1 ) through a cylindrical support structure ( 5 ) which is anchored to said foundation ( 1 ) and includes a rotary flange ( 35 ) for the anchoring of the assembly to be tested, a geared ring ( 36 ) fixed to the rotary flange, a series of geared motors ( 38 ) with pinions ( 37 ) engaging with the geared ring ( 36 ), and a series of brakes ( 39 ) capable of acting on a brake disc ( 40 ) solidly connected to the rotary flange; and in that the load application means comprise a fixed structure ( 7 ), which is anchored to the test bed, a mobile structure ( 8 ) which has means for anchoring it to the assembly to be tested, and a series of actuators relating the mobile structure with the fixed structure ( 7 ).