兰嘉文,翟乾俊,孙仲泽,等. 风力发电机组大直径塔筒分片平台设计与校核[J]. 南方能源建设,2025,12(1):141-146.. DOI: 10.16516/j.ceec.2024-150
引用本文: 兰嘉文,翟乾俊,孙仲泽,等. 风力发电机组大直径塔筒分片平台设计与校核[J]. 南方能源建设,2025,12(1):141-146.. DOI: 10.16516/j.ceec.2024-150
LAN Jiawen, ZHAI Qianjun, SUN Zhongze, et al. Design and verification of large-diameter tower sharding platform for wind turbine [J]. Southern energy construction, 2025, 12(1): 141-146. DOI: 10.16516/j.ceec.2024-150
Citation: LAN Jiawen, ZHAI Qianjun, SUN Zhongze, et al. Design and verification of large-diameter tower sharding platform for wind turbine [J]. Southern energy construction, 2025, 12(1): 141-146. DOI: 10.16516/j.ceec.2024-150

风力发电机组大直径塔筒分片平台设计与校核

Design and Verification of Large-Diameter Tower Sharding Platform for Wind Turbine

  • 摘要:
    目的 近年来,风力发电机组风轮直径越来越大,使得塔筒所承受的风载荷也越来越大。为了匹配大风轮机组,需要增大塔筒直径来满足其承载力。而随着塔筒直径的增大,塔筒内平台直径也会增大,重量也会相应的增加,导致成本增加。同时,塔筒内平台直径增大,若采用传统的平台梁,其与筒体焊接的部位容易造成较大的应力集中,容易产生结构失效,造成重大损失。
    方法 为了避免平台直径增大导致成本增加、平台梁与筒体焊接部位容易失效的问题,将塔筒整个大的内平台分为6个独立的小平台,并在平台下部设计2~3个支撑,支撑一端与筒体焊接,一端自由。通过有限元分析软件,分别评估了SLS(Serviceability Limit State)、ULS(Ultimate Limit State)2种载荷工况下,平台的变形及强度。
    结果 该平台在对应的载荷工况下安全性良好,并且在现场得到了广泛的使用。
    结论 分片平台的设计不仅可以满足现场使用强度的要求,还能起到减重降本的效果,产生了一定的经济效益,具有进一步的推广价值。

     

    Abstract:
    Objective In recent years, the wind turbine diameter of wind turbine has become larger and larger, which makes the wind load borne by the tower barrel more and more. In order to match the wind turbine, it is necessary to increase the diameter of the tower to meet its bearing capacity. With the increase of the diameter of the tower barrel, the diameter of the platform inside the tower barrel will also increase, and the weight will increase correspondingly, resulting in an increase in cost. At the same time, the diameter of the platform in the tower barrel increases, if the traditional platform beam is used, the welding part of the platform beam with the barrel is easy to cause a large stress concentration, and the structural failure is easy to occur, resulting in heavy losses.
    Method In order to avoid the problems of cost increase and easy failure of the welding part between the platform beam and the cylinder, caused by the increase of the platform diameter, the whole large inner platform of the tower cylinder was divided into 6 independent small platforms, and 2~3 supports were designed at the lower part of the platform, with one end of the support welded with the cylinder and one end free. The deformation and strength of the platform under two load conditions (SLS and ULS) were evaluated by the finite element analysis software.
    Result It is found that the platform is safe under the corresponding load conditions and is widely used in the field.
    Conclusion The design of sharding platform can not only meet the requirements of field use intensity, but also reduce weight and cost, and produce certain economic benefits, which has further promotion value.

     

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