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解惑“37大但人文艺术吧”-译文小记

重庆开展雨雪37大但人文艺术吧冰冻灾害实战化联动应急演练 首次运用直升机整体组立抢修塔

来源: 云南日报
2024-12-19 02:58:21

最佳回答

“37大但人文艺术吧”重庆开展雨雪37大但人文艺术吧冰冻灾害实战化联动应急演练 首次运用直升机整体组立抢修塔

  中新37大但人文艺术吧网重庆12月18日电 (周毅 37大但人文艺术吧黄航)记者18日从国网重庆市电力公司获悉,为进一步强化防范和应对自然灾害的能力,提高应对雨雪冰冻灾害的能力,国网重庆市电力公司在重庆武隆开展雨雪冰冻灾害实战化联动应急演练。

  据悉,本次演练重点检验了全地形、大载重无人机、直升机“空地结合、高低搭配”的抢修模式。其中,直升机整体组立三柱式应急抢修塔这一作业技术为重庆首次应用,填补了重庆在中型直升机组塔作业方面的技术空白,为极端情况下快速复电提供了新思路、新方法。

  演练现场,直升机把重1.5吨,长21米,截面只有0.9米的立柱式抢修塔稳稳立在1平方米的地面上,不但要克服结构细长、风荷载导致的操控难度,还要对抗超低气温、紊乱气流带来的不稳定性,构件姿态极难控制,拉线制作稍有不慎便容易导致人员受伤,抢修塔组立难度不亚于“在钢丝上跳舞”。

  三柱式应急抢修塔具备重量轻、结构简单、拉线承力的特点和无基础施工的优势,避免了漫长的基础施工周期,可以极大提高抢修效率。也正因为没有基础,直升机整体吊装难度大幅提高。

  国网重庆市电力公司应急救援基干分队负责人介绍:“组立三柱式应急抢修塔看似简单,但这种细长构建的吊装难度其实远大于常规自立式角钢塔,立柱缺乏自稳定性,需要直升机持续稳定的悬停,在拉线制作完毕之前姿态控制不好便前功尽弃,需要反复多次调整姿态,平稳输出。”

  而为了克服吊装难题,国网重庆市电力公司应急救援基干分队研发了导装架,运用于抢修塔就位过程引导定位和临时固定,极大提高了吊装的安全性和成功率。

  此外,本次演练提升了直升机在特殊环境下运输和吊装大型设备的能力,达到快速抢修、恢复供电的目的,为重庆迎峰度冬期间电网稳定运行提供了保障。(完)

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