WIND TURBINE ANCHOR ELEMENT
First Claim
Patent Images
1. An anchor element for a tower, comprising:
- an anchor plate element comprising an upper surface, a lower surface, and at least one first through-hole extending between the upper surface and the lower surface; and
at least one first nut having a female thread, said at least one first nut being provided at the at least one first through-hole at the lower surface of the anchor plate element so as to cover the at least one first through-hole,wherein said at least one first nut is non-releasably connected to the lower surface of the anchor plate element.
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Abstract
An anchor element for a tower includes an anchor plate element including an upper surface, a lower surface, and at least one first through-hole extending between the upper surface and the lower surface; and at least one first nut having a female thread, the at least one first nut being provided at the at least one first through-hole at the lower surface of the anchor plate element so as to cover the at least one first through-hole, wherein the at least one first nut is non-releasably connected to the lower surface of the anchor plate element.
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Citations
20 Claims
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1. An anchor element for a tower, comprising:
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an anchor plate element comprising an upper surface, a lower surface, and at least one first through-hole extending between the upper surface and the lower surface; and at least one first nut having a female thread, said at least one first nut being provided at the at least one first through-hole at the lower surface of the anchor plate element so as to cover the at least one first through-hole, wherein said at least one first nut is non-releasably connected to the lower surface of the anchor plate element. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A wind turbine comprising:
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a tower having a lower portion; a foundation having an upper surface; an anchor comprising; a lower anchor member within the foundation and comprising an upper surface, a lower surface, and a plurality of first through-holes connecting the upper and the lower surface of the lower anchor member, a plurality of lower nuts, each lower nut being provided at a respective first through-hole at the lower surface of the lower anchor member so as to cover said first through-hole and being non-releasably connected to the lower surface of the lower anchor member; an upper anchor member comprising an upper surface, a lower surface, and a plurality of second through-holes connecting the upper and the lower surface of the upper anchor member, each second through-hole being substantially vertically aligned with one of the first through-holes; a plurality of guide tubes, each guide tube connecting a pair of first and second through-holes; a plurality of anchor bolts, each anchor bolt being accommodated within one of the guide tubes, a lower portion of said anchor bolt being screwedly engaged with an inner thread of a corresponding lower nut and an upper portion of said anchor bolt protruding from the upper surface of the upper anchor member; and a plurality of upper nuts, each upper nut fixing an upper portion a corresponding anchor bolt; wherein the lower portion of the tower is rigidly connected to the upper surface of the upper anchor member. - View Dependent Claims (15, 16, 17)
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18. A method for replacing an anchor bolt of a wind turbine, comprising:
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(a) loosening and removing an upper nut at an upper anchor member, (b) removing said anchor bolt by unscrewing a lower portion of said anchor bolt from a lower nut which is non-releasably connected to a lower anchor member and pulling said anchor bolt out of a conduit extending between the lower anchor member and the upper anchor member, (c) inserting an exchange anchor bolt into said conduit and screwing together a lower portion of said exchange anchor bolt and said lower nut, (d) forming a rigid connection between the upper and lower anchor members by fastening said upper nut at an upper portion of said exchange anchor bolt. - View Dependent Claims (19, 20)
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Specification