초록

The present invention relates a grinding device 1 for the machine-based grinding of rotor blades 100 for wind energy systems, comprising a belt grinding unit 10 with a circulating grinding belt 12.

대표청구항 ▼

1. Grinding device (1) for the machine-based automated grinding of a surface (110) of a rotor blade (100), the rotor blade having a longitudinal axis direction (L) and a transverse axis direction (Q), the grinding device comprising: a belt grinding unit (10) having a continuous grinding belt (12) th

1. Grinding device (1) for the machine-based automated grinding of a surface (110) of a rotor blade (100), the rotor blade having a longitudinal axis direction (L) and a transverse axis direction (Q), the grinding device comprising: a belt grinding unit (10) having a continuous grinding belt (12) the continuous grinding belt (12) having a belt velocity imparted to it by a motor (20), the continuous grinding belt (12) having a portion that engages the surface (110) of the rotor blade (100), the portion of the grinding belt (12) that engages the surface (110) of the rotor blade (100) having a belt velocity in a direction that is transverse to the longitudinal axis direction (L) of the rotor blade (100); andat least one belt cleaning device (16, 46) operating to clean a portion of the grinding belt (12) that is distal from the portion of the grinding belt (12) that is in contact with the surface (110) of the rotor blade (100). 2. Grinding device according to claim 1, further comprising a drive unit (30) for moving the belt grinding unit (10) in the direction (L) of the longitudinal axis of the rotor blade (100). 3. Grinding device according to claim 1, further comprising a drive unit (31) for moving the rotor blade (100) relative to the belt grinding unit (10) in direction (L) of the longitudinal axis of the rotor blade (100). 4. Grinding device according to claim 2, further comprising a dust belt unit (40) with a circulating dust belt (42) that is guided along the surface (110) of the rotor blade (100), in order to remove dust from the surface (110) of the rotor blade (100). 5. Grinding device according to claim 4, wherein the belt cleaning device (16, 46) cleans the grinding belt (12) and/or the dust belt (42) by means of: a) a nozzle (28) for blowing on of pressurized air; and/orb) a device (24) for suctioning grinding dust; and/orc) a brush (27) for brushing the grinding belt (12) and/or the dust belt (40). 6. Grinding device according to claim 4, wherein the belt grinding unit (10) comprises pressure members (14, 15, 44) that press the grinding belt (12) and/or the dust belt (42) against a surface (110) of a rotor blade (100) and that are supported at the drive unit (30). 7. Grinding device according to claim 6, wherein the pressure members (14, 15, 44) comprise in direction (Q) of the lateral axis of a rotor blade (100) moveable element pressure bars (14) or pressure rollers (15) at the drive unit (30) that can be moved preferably pneumatically to the surface (110) of a rotor blade (100) in order to define the grinding pressure of the grinding belt (12) and/or the cleaning pressure of the dust belt (42) to the surface (110). 8. Grinding device according to claim 6, wherein the pressure elements (14, 15, 44) comprise a suction hood (17, 47), in order to suck grinding dust through the grinding belt (12) and/or the dust belt (42) and through the pressure member (14, 15, 44). 9. Grinding device according to claim 4, wherein the dust belt unit (40) is mounted at the drive unit (30). 10. Grinding device according to claim 2, wherein the drive unit (30) comprises a drive wagon (32) that can be moved in longitudinal direction (L) on which perpendicular thereto (Z) the belt grinding unit (10) and/or the dust belt unit (40) are moveably supported. 11. Grinding device according to claim 2, further comprising a control unit that controls numerically at least the movements of the drive unit (30) and/or the movements of pressure members (14, 15) in direction (Z) of the rotor blade (100). 12. Grinding device according to claim 1, further comprising a belt tensioner (18) that provides the grinding belt (12) with the tension that is necessary for grinding. 13. Grinding device according to claim 1, wherein the grinding belt (12) is a perforated grinding belt, which is provided essentially over its entire surface with perforation openings. 14. Grinding device (1) for the machine-based automated grinding of a rotor blade (100) for wind energy system, the rotor blade (100) having a longitudinal axis direction (L), the grinding device comprising a belt grinding unit having a continuous grinding belt (12), the continuous grinding belt (12) having a portion that engages a surface (110) of the rotor blade (100), the portion of the grinding belt (12) that engages the surface (110) of the rotor blade (100) having a belt velocity in a direction that is transverse to the longitudinal axis direction (L) of the rotor blade (100); the grinding device further comprising a coating unit (50) for the automated coating of the surface (110) of the rotor blade that is mounted to the grinding unit (10). 15. Grinding device according to claim 7, wherein the pressure elements (14, 15, 44) comprise a suction hood (17, 47), in order to suck grinding dust through the grinding belt (12) and/or the dust belt (42) and through the pressure member (14, 15, 44). 16. Grinding device according to claim 9, further comprising a control unit that controls numerically at least the movements of the drive unit (30) and/or the movements of pressure members (14, 15) in direction (Z) of the rotor blade (100). 17. Grinding device (1) according to claim 14, wherein the coating unit (50) comprises: a) at least one automatically moveable coating roller (52); and/orb) at least one automatically moveable spray unit; and/orc) at least one radiant heater (54).