Damper position-limiting device, tower and wind turbine
AssigneeBeijing Goldwind Science & Creation Windpower Equipment Co., Ltd.
InventorsDadong Guo, Donghua Shan
Life of this patent
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Abstract
A damper position-limiting device is provided, which is mounted in a tower to limit the swing amplitude of a damper installed in the tower. The damper position-limiting device includes at least one web and a position-limiting ring. The web is provided with a mounting hole and at least one stress relief hole. A first side wall of the web has a first specified length along a circumferential direction of the inner wall of the tower, and is connected to the inner wall of the tower. The position-limiting ring is positioned within the mounting hole and connected to the mounting hole and is configured to accommodate an impacting plate of the damper.
Claims18
A damper position-limiting device, configured to be mounted in a tower to limit a swing amplitude of a damper mounted in the tower, comprising at least one web and a position-limiting ring, wherein
- the web has a mounting hole and at least one stress relief hole;
- a first side wall of the web has a first specified length along a circumferential direction of an inner wall of the tower, and is connected to the inner wall of the tower;
- and
- the position-limiting ring is positioned within the mounting hole and connected to the mounting hole and is configured to accommodate an impacting plate of the damper,
- wherein the first specified length of the first side wall is 0.25 to 0.5 times a circumference of a specified periphery of the inner wall, the first side wall matching with the specified periphery of the inner wall at a specified height.
Dependencies are inferred from the claim text.