CN204376311U - The heavy electric power cable high-altitude of lifting formula is handed over across unfolding device - Google Patents

The heavy electric power cable high-altitude of lifting formula is handed over across unfolding device Download PDF

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CN204376311U
CN204376311U CN201520030383.7U CN201520030383U CN204376311U CN 204376311 U CN204376311 U CN 204376311U CN 201520030383 U CN201520030383 U CN 201520030383U CN 204376311 U CN204376311 U CN 204376311U
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lifting
electric power
altitude
heavy
wheels
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王蒙
王�华
胥保成
刘云文
诸葛勇
朱伟民
陶尊群
汪齐松
徐晓春
林东升
李佑伟
祝为龙
戴长红
史雪涛
刘崇喜
王林华
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State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
HuaiAn Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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State Grid Corp of China SGCC
State Grid Jiangsu Electric Power Co Ltd
HuaiAn Power Supply Co of State Grid Jiangsu Electric Power Co Ltd
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Abstract

本实用新型公开了提吊式重型电力线缆高空交跨展放装置,包括连接于电力铁塔上的转向滑轮,以及连接于电力铁塔之间承载线缆上的多个空中走线机构,所述空中走线机构连接于牵引绳;所述每个空中走线机构包括至少四个提吊轮组,其中一个提吊轮组连接于承载线缆作为行走部,其余提吊轮组分别通过长度递增的提吊绳连接于行走部;所述每个提吊轮组包括两只分别安装在门框形支架中的走线轮,所述两只走线轮的支架开口端相对,且一侧转动连接,另一侧通过插销定位连接。本实用新型通过转向滑轮和空中走线机构形成多条符合重型电力线缆的导线数量要求的不同高度的空中走廊,不需要借助重型张力机械、跨越架及安全保护网,大幅降低施工程序及成本。

The utility model discloses a lifting type heavy-duty power cable high-altitude cross-span display device, which includes a steering pulley connected to the power tower, and a plurality of aerial wire routing mechanisms connected to the carrying cables between the power towers. The aerial cable routing mechanism is connected to the traction rope; each of the aerial cable routing mechanisms includes at least four lifting wheel sets, one of which is connected to the load-bearing cable as a walking part, and the remaining lifting wheel sets are respectively passed through length increments. The lifting rope of the lifting rope is connected to the walking part; each of the lifting wheel sets includes two routing wheels respectively installed in the door frame-shaped bracket, and the opening ends of the brackets of the two routing wheels are opposite, and one side is rotatably connected , and the other side is connected by a pin positioning. The utility model forms a plurality of air corridors of different heights that meet the requirements of the number of conductors of heavy-duty power cables through the steering pulley and the aerial wire routing mechanism, without the need for heavy-duty tension machinery, spanning frames and safety protection nets, greatly reducing construction procedures and costs .

Description

提吊式重型电力线缆高空交跨展放装置Lifting type heavy-duty power cable high-altitude cross-span deployment device

技术领域 technical field

本实用新型涉及电力线缆展放设备领域,具体涉及提吊式重型电力线缆高空交跨展放装置。 The utility model relates to the field of power cable display equipment, in particular to a hoisting type high-altitude cross-span display device for heavy-duty power cables.

背景技术 Background technique

在电力及通信线路施工、维护和故障抢修过程中,经常需要跨越封闭高速公路、铁路、重要航道、多条密集无法同时停电的高压电力线路、其它交叉施工工地、极易引起阻扰的一般民房等特殊复杂障碍。如何减少封路、停航等相关部门的配合,更不用采用传统的预搭跨越架或安全保护网后张力式拖放工艺的投入,是亟待解决的问题。由国家电网公司、江苏省电力公司淮安供电公司和江苏省电力公司共同申请的无张力放缆跨越装置和架空放缆牵引车,只适合于单股的轻型电缆施工,无法用于由三根(有接地线的则为四根)独立导线组成的高压三相重型电力线缆的高空交跨展放施工,目前的重型电力线缆高空交跨展放施工还是需要借助重型张力机械及预搭跨越架或安全保护网等设施,而重型张力机械由于价格昂贵,县、区一级施工单位很少装备,不能随时进行施工操作,施工协调进度被延长,而且重型张力机械的操作专业性强,对施工现场环境也会有一定的要求,部分场合无法使用,施工难度大。 In the process of construction, maintenance and fault repair of power and communication lines, it is often necessary to cross closed expressways, railways, important waterways, multiple dense high-voltage power lines that cannot be powered off at the same time, other crossing construction sites, and ordinary houses that are easily obstructed and other special complex obstacles. How to reduce the cooperation of relevant departments such as road closures and suspension of navigation, not to mention the investment in traditional pre-built spanning frames or tension-type drag-and-drop technology behind safety protection nets, is an urgent problem to be solved. The tension-free cable unwinding spanning device and overhead cable unwinding tractor jointly applied by the State Grid Corporation of China, Jiangsu Provincial Electric Power Company Huai'an Power Supply Company and Jiangsu Provincial Electric Power Company are only suitable for single-strand light-duty cable construction, and cannot be used for construction by three (with The ground wire is four) independent wires for the high-altitude cross-span construction of high-voltage three-phase heavy-duty power cables. The current high-altitude cross-span construction of heavy-duty power cables still requires the use of heavy tension machinery and pre-built spanning frames or safety protection nets and other facilities, and heavy-duty tension machinery is expensive, and construction units at the county and district levels are rarely equipped, and construction operations cannot be carried out at any time. The construction coordination progress is prolonged, and the operation of heavy-duty tension machinery is highly professional. The on-site environment will also have certain requirements, and some occasions cannot be used, and the construction is difficult.

发明内容 Contents of the invention

本实用新型要解决的技术问题是提供一种提吊式重型电力线缆高空交跨展放装置,可以解决现有重型电力线缆在高空交跨展放施工时需要借助重型张力机械,导致施工协调进度被延长,而且施工难度大的问题。 The technical problem to be solved by the utility model is to provide a lifting type heavy-duty power cable high-altitude cross-span deployment device, which can solve the problem that the existing heavy-duty power cables need to rely on heavy-duty tension machinery during the construction of high-altitude cross-span deployment, which causes construction The coordination schedule was extended, and the construction was difficult.

本实用新型通过以下技术方案实现: The utility model is realized through the following technical solutions:

提吊式重型电力线缆高空交跨展放装置,包括连接于电力铁塔上的转向滑轮,以及连接于电力铁塔之间承载线缆上的多个空中走线机构,所述空中走线机构连接于牵引绳;所述每个空中走线机构包括至少四个提吊轮组,其中一个提吊轮组连接于承载线缆作为行走部,其余提吊轮组分别通过长度递增的提吊绳连接于行走部;所述每个提吊轮组包括两只分别安装在门框形支架中的走线轮,所述两只走线轮的支架开口端相对,且一侧转动连接,另一侧通过插销定位连接。 Lifting type heavy-duty power cable high-altitude cross-span deployment device, including steering pulleys connected to the power towers, and multiple aerial routing mechanisms connected to the load-carrying cables between the power towers. The aerial routing mechanisms are connected to Each of the aerial cable routing mechanisms includes at least four lifting wheel sets, one of which is connected to the carrying cable as a walking part, and the remaining lifting wheel sets are connected by lifting ropes with increasing lengths In the walking part; each of the lifting wheel sets includes two cable wheels respectively installed in the door frame-shaped bracket, the opening ends of the brackets of the two cable wheels are opposite, and one side is connected by rotation, and the other side is passed through Pin positioning connection.

本实用新型的进一步改进方案是,每一个高度的相邻提吊轮组分别连接于对应的牵引绳。 A further improvement of the utility model is that the adjacent hoisting wheel sets at each height are respectively connected to the corresponding traction ropes.

本实用新型的进一步改进方案是,所述转向滑轮水平安装在矩形框架中,所述矩形框架上端安装有连接电力铁塔绝缘子的吊环。 A further improvement of the utility model is that the steering pulley is installed horizontally in a rectangular frame, and the upper end of the rectangular frame is installed with a suspension ring connected to an insulator of an electric power tower.

本实用新型的进一步改进方案是,所述提吊轮组其中一只走线轮的支架横杆上转动连接有提吊环,提吊绳以及牵引绳分别连接于提吊环。 A further improvement of the utility model is that a lifting ring is rotatably connected to the bracket cross bar of one of the wire routing wheels of the lifting wheel group, and the lifting rope and the traction rope are respectively connected to the lifting ring.

本实用新型的进一步改进方案是,所述两只走线轮的支架开口端一侧通过铰链转动连接。 A further improvement of the utility model is that, one side of the open ends of the brackets of the two wire routing wheels is connected through a hinge rotation.

本实用新型的进一步改进方案是,所述插销的销杆与一端固定在走线轮支架上的防脱链另一端固定连接。 A further improvement of the utility model is that the pin bar of the bolt is fixedly connected with the other end of the anti-off chain, one end of which is fixed on the cable wheel bracket.

本实用新型的优点在于: The utility model has the advantages of:

一、通过转向滑轮和空中走线机构形成多条符合重型电力线缆的导线数量要求的不同高度的空中走廊,不需要借助重型张力机械,而且转向滑轮和空中走线机构的价格低廉、操作简单,各级供电维运部门都可以配备来随时取用,省去了使用重型张力机械所需时间、开销,大幅降低施工程序及成本; 1. Through the steering pulley and the aerial wiring mechanism, multiple aerial corridors of different heights that meet the requirements of the number of conductors of the heavy-duty power cable are formed, without the need for heavy tension machinery, and the steering pulley and the aerial wiring mechanism are cheap and easy to operate , all levels of power supply maintenance and operation departments can be equipped to take it at any time, saving the time and expense of using heavy tension machinery, and greatly reducing construction procedures and costs;

二、每一个高度的相邻提吊轮组之间分别连接有牵引绳,可以对每个高度的提吊轮组位置进行分别控制,使形成的多条空中走廊相互之间不产生干扰,更加便于施工。 2. There are traction ropes connected between the adjacent hoisting wheel sets at each height, which can control the position of the hoisting wheel sets at each height separately, so that the formed multiple air corridors do not interfere with each other, which is more convenient It is convenient for construction.

附图说明 Description of drawings

图1为本实用新型的使用状态示意图。 Fig. 1 is a schematic diagram of the use state of the utility model.

图2为空中走线机构的结构示意图。 Fig. 2 is a structural schematic diagram of the aerial wire routing mechanism.

图3为提吊轮组结构示意图。 Figure 3 is a schematic diagram of the structure of the lifting wheel set.

图4为转向滑轮结构示意图。 Figure 4 is a schematic diagram of the structure of the diverting pulley.

具体实施方式 Detailed ways

如图1、图2和图4所示,所示的提吊式重型电力线缆高空交跨展放装置,包括连接于电力铁塔上1的转向滑轮2,以及连接于电力铁塔之间承载线缆3上的多个空中走线机构4,所述转向滑轮2水平安装在矩形框架21中,所述矩形框架21上端安装有连接电力铁塔绝缘子5的吊环22。当重型电力线缆由三根独立导线组成时,每个空中走线机构包括四个提吊轮组41,当重型电力线缆由四根独立导线组成时,每个空中走线机构包括五个提吊轮组41,当重型电力线缆有两回或两回以上时,提吊轮组41的数量为独立导线的总数量再加一;其中一个提吊轮组41连接于承载线缆3作为行走部,其余提吊轮组41分别通过长度递增的提吊绳42连接于行走部。每一个高度的相邻提吊轮组41分别连接于对应的牵引绳6。 As shown in Figure 1, Figure 2 and Figure 4, the lifting type heavy-duty power cable high-altitude cross-span spreading device shown includes a steering pulley 2 connected to the power tower 1, and a load line connected between the power towers A plurality of aerial wire routing mechanisms 4 on the cable 3, the steering pulley 2 is horizontally installed in a rectangular frame 21, and the upper end of the rectangular frame 21 is equipped with a suspension ring 22 connected to the power tower insulator 5. When the heavy-duty power cable was made up of three independent wires, each aerial wire routing mechanism included four lifting wheel sets 41; Lifting wheel group 41, when there are two or more heavy-duty power cables, the number of lifting wheel group 41 is the total number of independent wires plus one; one of the lifting wheel group 41 is connected to the carrying cable 3 as Walking part, all the other lifting wheel sets 41 are respectively connected to the running part by lifting ropes 42 with increasing lengths. Adjacent hoisting wheel sets 41 at each height are respectively connected to corresponding traction ropes 6 .

如图3所示,每个提吊轮组41包括两只分别安装在门框形支架412中的走线轮411,所述两只走线轮411的支架412开口端相对,且一侧通过铰链413转动连接,另一侧通过插销414定位连接;所述插销414的销杆与一端固定在走线轮支架上的金属防脱链415另一端固定连接,所述销杆另一端还设有退拔销,推拨销与销杆垂直时将销杆定位在销套中作承重轴,推拨销与销杆平行时销杆可抽出,从而将提吊轮组41打开形成导入口;其中一只走线轮的支架412横杆上转动连接有高强度金属提吊环416,提吊绳42两端以及牵引绳6上的多点分别加工有绳圈连接提吊环416。 As shown in FIG. 3 , each lifting wheel set 41 includes two wire routing wheels 411 respectively installed in door frame-shaped brackets 412. The opening ends of the brackets 412 of the two routing wheels 411 are opposite, and one side is connected by a hinge. 413 is rotated and connected, and the other side is positioned and connected by a latch 414; the pin rod of the latch 414 is fixedly connected with the other end of the metal anti-off chain 415 fixed on the cable wheel bracket at one end, and the other end of the pin rod is also provided with a withdrawal When the push pin is perpendicular to the pin rod, the pin rod is positioned in the pin sleeve as a load-bearing shaft. When the push pin is parallel to the pin rod, the pin rod can be drawn out, thereby opening the lifting wheel group 41 to form an inlet; one of them Only the support 412 crossbar of the wire wheel is rotatably connected with a high-strength metal lifting ring 416, and the two ends of the lifting rope 42 and the multiple points on the traction rope 6 are respectively processed with rope loops to connect the lifting ring 416.

施工时重型电力线缆的导线及牵引绳6受牵引力作用呈上扬状态,每个提吊轮组41采用两只走线轮411,可以防止导线与支架412及支架412横杆上的提吊环416之间直接接触而出现卡死现象,从而避免施工故障的产生;而且重型电力线缆的导线表面为裸露状态,每个提吊轮组41采用两只走线轮411可以确保与导线上、下表面呈滚动摩擦状态,不会出现滑动摩擦损伤表面的情况;此外,每个提吊轮组41采用两只走线轮411,将导线夹持在两只走线轮411之间,对导线形成限位,使导线能够平稳的前进。 During construction, the conductors of the heavy-duty power cables and the traction rope 6 are in an upward state due to the traction force. Each lifting wheel group 41 adopts two wire routing wheels 411, which can prevent the conductors from contacting the support 412 and the lifting ring 416 on the support 412 cross bar. The phenomenon of jamming occurs due to direct contact between them, thereby avoiding the occurrence of construction failures; and the surface of the conductors of the heavy-duty power cables is exposed, and each lifting wheel group 41 uses two wire routing wheels 411 to ensure that the upper and lower wires are connected to each other. The surface is in a state of rolling friction, and there will be no damage to the surface by sliding friction; in addition, each lifting wheel set 41 uses two routing wheels 411, and the wire is clamped between the two routing wheels 411, and the wire is formed Limit, so that the wire can advance smoothly.

施工时,先将一根施工用轻型牵引绳的一端通过架空放缆牵引车或抛绳枪或专用遥控直升机送至另一侧电力铁塔,通过这根施工用轻型牵引绳牵引并安装好承载线缆3;然后塔上工作人员依次将多个空中走线机构4行走部的插销414打开,随着铰链413的转动使插销连接侧张开形成导入口,挂在承载线缆3上,再插入销杆,实现行走部的悬挂;通过拉动连接于行走部的牵引绳6,使多个空中走线机构4间隔分布,再分别拉动行走部下方的每个高度的牵引绳6,使各高度的提吊轮组41相互错开,形成相互不干扰的多条空中走廊;在悬挂空中走线机构4时,行走部下方的每一高度提吊轮组41还依次穿有引导绳,空中走廊形成后,将引导绳一端与重型电力线缆的导线连接,在另一端拉动即可实现重型电力线缆的高空交跨展放;空中提吊绳42的长度依架空线路导线间距而选择使用,当线路安装施工完毕后,依以上安装施工相反的步骤一次性收回并拆除所有工具组,完成全部施工。 During construction, first send one end of a construction light-duty traction rope to the power tower on the other side through an overhead cable-releasing tractor or a rope-throwing gun or a special remote-controlled helicopter, and then use this light-duty construction traction rope to draw and install the load-carrying line. Cable 3; then the staff on the tower sequentially open the latches 414 of the walking parts of the multiple aerial cable routing mechanisms 4, and with the rotation of the hinge 413, the connecting side of the latches is opened to form an inlet, hung on the carrying cable 3, and then inserted The pin bar realizes the suspension of the walking part; by pulling the traction rope 6 connected to the walking part, a plurality of air routing mechanisms 4 are distributed at intervals, and then respectively pulling the traction rope 6 of each height below the walking part, so that each height Lifting wheel sets 41 are mutually staggered to form a plurality of aerial corridors that do not interfere with each other; when the aerial routing mechanism 4 is suspended, each height lifting wheel set 41 below the walking part is also sequentially worn with guide ropes. , connect one end of the guide rope to the wire of the heavy-duty power cable, and pull the other end to realize the high-altitude cross-span deployment of the heavy-duty power cable; After the installation and construction is completed, take back and remove all tool groups at one time according to the opposite steps of the above installation and construction, and complete the entire construction.

Claims (6)

1. the heavy electric power cable high-altitude of lifting formula is handed over across unfolding device, it is characterized in that: comprise the angle pulley be connected on electric power tower, and be connected to carry on cable between electric power tower multiple and walk line mechanism in the air, described line mechanism of walking in the air is connected to pull rope; Described each line mechanism of walking in the air comprises at least four lifting wheels, and one of them lifting wheels is connected to carrying cable as running part, and all the other lifting wheels are connected to running part respectively by the lifting rope of increasing lengths; Described each lifting wheels comprise two cabling wheels be arranged on respectively in a frame support, and the carrier openings end of described two cablings wheel is relative, and side is rotationally connected, and opposite side is located by connecting by latch.
2. the heavy electric power cable high-altitude of lifting formula as claimed in claim 1 is handed over across unfolding device, it is characterized in that: the adjacent lifting wheels of each height are connected to corresponding pull rope.
3. the heavy electric power cable high-altitude of lifting formula as claimed in claim 1 is handed over across unfolding device, and it is characterized in that: described angle pulley level is arranged in rectangular frame, described rectangular frame upper end is provided with the suspension ring connecting electric power tower insulator.
4. the heavy electric power cable high-altitude of lifting formula as claimed in claim 1 is handed over across unfolding device, it is characterized in that: the rack cross-bar of a described lifting wheels wherein cabling wheel is rotatably connected to lifting ring, and lifting rope and pull rope are connected to lifting ring.
5. the heavy electric power cable high-altitude of lifting formula as claimed in claim 1 is handed over across unfolding device, it is characterized in that: the carrier openings end side of described two cablings wheel is connected by hinge through.
6. the heavy electric power cable high-altitude of lifting formula as claimed in claim 1 is handed over across unfolding device, it is characterized in that: the anti-fall off chain other end that described lock bolt bar and one end are fixed on cabling wheel support is fixedly connected with.
CN201520030383.7U 2015-01-16 2015-01-16 The heavy electric power cable high-altitude of lifting formula is handed over across unfolding device Expired - Fee Related CN204376311U (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104600623A (en) * 2015-01-16 2015-05-06 国家电网公司 High-altitude crossover releasing device for lifting type heavy power cable
CN108512123A (en) * 2018-06-13 2018-09-07 贵州电网有限责任公司 A kind of quick close-up device for ultra-high-tension power transmission line
CN113725781A (en) * 2021-08-26 2021-11-30 浙江省送变电工程有限公司 Method for lapping and spanning two adjacent same-tower double-circuit power lines by using temporary cables

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104600623A (en) * 2015-01-16 2015-05-06 国家电网公司 High-altitude crossover releasing device for lifting type heavy power cable
CN108512123A (en) * 2018-06-13 2018-09-07 贵州电网有限责任公司 A kind of quick close-up device for ultra-high-tension power transmission line
CN108512123B (en) * 2018-06-13 2024-02-02 贵州电网有限责任公司 Quick net sealing device for high-voltage transmission line
CN113725781A (en) * 2021-08-26 2021-11-30 浙江省送变电工程有限公司 Method for lapping and spanning two adjacent same-tower double-circuit power lines by using temporary cables

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