A replacement of 220kV double circuit line insulator overhaul ladder, including steel hanging pieces, connected with the angle steel hanging piece at the lower end of the two series connected insulated pull rod, an insulated pull rod, connecting the insulating pull rod on the tightener insulation under, is connected with the lower insulating pull rod and is positioned on the insulated tensioner the bottom seat is hinged on the lower insulating pull rod at the lower end of the hanging ladder; the angle steel hanging fastener is composed of two parts with a slot A, B fasteners which are arranged perpendicular to the cross, and A fasteners insulated pull rod bolts, fasteners B end is provided with a movable screw for connecting the fastening. The tower material; insulation tightener on pendant through a wire rope and lower insulated pull rod connection insulation tightener under the pendant is S shaped hook on the end of a bolt hole, the S shape of the lower end of the hook is connected with the chair, used to adjust the seat height on the hanging ladder; The hook is a fork and the lower insulating pull rod connected to the lower pendant hanging ladder at the lower end of the connecting angle for. The utility model has the advantages of small operating space, light weight, convenient carrying and convenient installation.
【技术实现步骤摘要】
一种更换220kV同塔双回直线绝缘子检修梯
本技术属于电力行业更换绝缘子检修梯结构,尤其是采用中间电位作业法更换220kV同塔双回直线绝缘子检修梯结构技术。
技术介绍
220kV双回线路直线塔导线一般采用垂直排列,因中相横担与下相横担、中相横担与上相横担之间的距离为7m,绝缘子和连接金具长度为3.14m,满足不了等电位人员直接沿软梯进入电场。目前,国内更换220kV同塔双回直线绝缘子串作业,都是采用绝缘平梯,作业人员沿平梯进入电场进行更换,用此种方法所需工器具多,绝缘平梯笨重,安装困难,操作时间较长,且作业人员要直接接触强电场,虽然采取了防护措施,但人员长时间暴露在强电场下,不同程度的会给带作业人员带来危害。
技术实现思路
用中间电位作业法与等电位带电更换220kV同塔双回直线绝缘子相比,中间电位作业人员只需要一段7m左右的供作业人员操作的装置,研制的装置重量约5kg,车辆运输方便,且不论作业点路途远近,只需1人就可携带到作业点,现场安装方便,地面只需要1人就能把装置吊到塔上作业位置,塔上地电位作业人员与中间电位作业人员相互配合,轻易、很快的就能把装置安装好,中间电位 ...
【技术保护点】
一种更换220kV同塔双回直线绝缘子检修梯,其特征在于,包括角钢吊件(1),连接在角钢吊件(1)下端的两节串联接的上绝缘拉棒(2.1)、下绝缘拉棒(2.2),连接在下绝缘拉棒(2.2)上的绝缘收紧器(3),连接在下绝缘拉棒(2.2)上并位于绝缘收紧器(3)下方的座椅(4),铰连接在下绝缘拉棒(2.2)下端的吊梯(5);其中:角钢吊件(1)由两个带卡槽的紧固件A(1.1)、紧固件B(1.2)呈直角交叉排列构成,紧固件A(1.1)与上绝缘拉棒(2.1)螺栓连接,紧固件B(1.2)末端设有活动螺帽,用于连接紧固塔材;绝缘收紧器(3)的上挂件(3.1)通过钢绳与下绝缘拉棒(2.2) ...
【技术特征摘要】
1.一种更换220kV同塔双回直线绝缘子检修梯,其特征在于,包括角钢吊件(1),连接在角钢吊件(1)下端的两节串联接的上绝缘拉棒(2.1)、下绝缘拉棒(2.2),连接在下绝缘拉棒(2.2)上的绝缘收紧器(3),连接在下绝缘拉棒(2.2)上并位于绝缘收紧器(3)下方的座椅(4),铰连接在下绝缘拉棒(2.2)下端的吊梯(5);其中:角钢吊件(1)由两个带卡槽的紧固件A(1.1)、紧固件B(1.2)呈直角交叉排列构成,紧固件A(1.1)与上绝缘拉棒(2.1)螺栓连接,紧固件B(1.2)...
【专利技术属性】
技术研发人员:张宇雄,陈宣林,时峰,张海东,湛留洋,邓中原,张方磊,吴恒,王国先,易黎,邓勇,宋凯,肖本华,
申请(专利权)人:云南电网有限责任公司曲靖供电局,
类型:新型
国别省市:云南,53
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