CN105977860A - Composite cross-arm insulator device and method for replacing overhead transmission line - Google Patents

Composite cross-arm insulator device and method for replacing overhead transmission line Download PDF

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Publication number
CN105977860A
CN105977860A CN201510823062.7A CN201510823062A CN105977860A CN 105977860 A CN105977860 A CN 105977860A CN 201510823062 A CN201510823062 A CN 201510823062A CN 105977860 A CN105977860 A CN 105977860A
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Prior art keywords
composite cross
arm
cross
wire
support frame
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CN201510823062.7A
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CN105977860B (en
Inventor
孙鑫
张凯
李文群
高水利
陈炳勤
王东育
孟令增
李艳军
杨超
向志昊
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National Network Xi'an Environmental Protection Technology Center Co ltd
Tongchuan Power Supply Co Of State Grid Shaanxi Electric Power Co
Tongchuan Power Supply Co Of State Grid Shaanxi Electric Power Co ltd
State Grid Corp of China SGCC
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Tongchuan Electric Co Of Guo Wang Shaanxi Prov Power Co
State Grid Corp of China SGCC
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

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  • Electric Cable Installation (AREA)
  • Insulators (AREA)

Abstract

The present invention discloses a composite cross-arm insulator device and method for replacing an overhead transmission line. The device comprises a wire support frame which has one end provided with a pulley block lifting point for installing lifting wires and the other end provided with a U-shaped hoop configured to fix the support frame on the steel tube tower overhead grounding cross arm; and the wire support frame is provided with a reinforced tripod configured for improving the intensity of the wire support frame. The device structure is simple, the installation operation is convenient, the wires are effectively lifted and fixed, the wire shedding is avoided, and the efficiency is fully improved. The composite cross-arm insulator device and method for replacing an overhead transmission line may be used for replacing a composite cross-arm insulator for one time in the multi-loop overhead transmission line erected by the steel tube tower so as to effectively reduce the number of times of power failure, ensure the power supply reliability, realize the economic benefit and create more economic values for the society.

Description

一种更换架空输电线路复合横担绝缘子装置及方法Device and method for replacing composite cross-arm insulators of overhead transmission lines

【技术领域】【Technical field】

本发明属于架空输电线路检修设备技术领域,涉及一种更换架空输电线路复合横担绝缘子工具。The invention belongs to the technical field of maintenance equipment for overhead transmission lines, and relates to a tool for replacing composite cross-arm insulators of overhead transmission lines.

【背景技术】【Background technique】

为保证电力线路供电可靠性,需定期对输电线路进行维护,其中最主要的一项工作就是更换复合绝缘子,其中复合横担绝缘子又是复合绝缘子中的一种。复合横担绝缘子是指用在钢管塔上即作横担,又架设导线的绝缘子。对这种复合横担绝缘子更换时,没有专用的更换工具,也没有适当的方法。对电力线路运维工作、供电可靠性造成不良影响,给线路供电范围内的居民、市政及工矿企业的正常生活、生产带来影响。In order to ensure the reliability of the power supply of the power line, the transmission line needs to be maintained regularly, and one of the most important tasks is to replace the composite insulator, and the composite cross-arm insulator is one of the composite insulators. Composite cross-arm insulator refers to the insulator used on the steel pipe tower as a cross-arm and erected wires. When replacing this kind of composite cross-arm insulator, there is no special replacement tool and no proper method. It will adversely affect the operation and maintenance of power lines and the reliability of power supply, and affect the normal life and production of residents, municipalities, and industrial and mining enterprises within the power supply range of the line.

【发明内容】【Content of invention】

本发明的目的是提供一种更换架空输电线路复合横担绝缘子装置及方法,解决了更换复合横担绝缘子的工作,技能及时更换架空输电线路复合横担,又能确保电力线路供电可靠性;同时使用该装置及方法又提高了工作效率,降低了作业难度,能安全方便地完成工作任务,确保电力线路供电可靠性。The object of the present invention is to provide a device and method for replacing composite cross-arm insulators of overhead power transmission lines, which solves the work of replacing composite cross-arm insulators, and can replace the composite cross-arms of overhead power transmission lines in a timely manner, while ensuring the power supply reliability of power lines; The use of the device and method improves the work efficiency, reduces the difficulty of the work, can safely and conveniently complete the work tasks, and ensures the reliability of the power supply of the power line.

为达到上述目的,本发明采用以下技术方案予以实现:In order to achieve the above object, the present invention adopts the following technical solutions to achieve:

一种更换架空输电线路复合横担绝缘子装置,包括导线支撑架,导线支撑架一端设有用于装设提升导线的滑轮组吊点,另一端安装有用于将支撑架固定在钢管塔架空地线横担上的U型抱箍;导线支撑架上设置用于提高导线支撑架的强度的加强三角架。A device for replacing composite cross-arm insulators of overhead transmission lines, including a wire support frame, one end of the wire support frame is provided with a pulley block lifting point for installing lifting wires, and the other end is equipped with a cross-arm for fixing the support frame to the overhead ground wire of a steel pipe tower The U-shaped hoop on the wire support frame; the reinforced tripod for improving the strength of the wire support frame is arranged on the wire support frame.

本发明进一步的改进在于:The further improvement of the present invention is:

所述导线支撑架包括横杆和竖直安装于横杆上的连杆,连杆的两端设置有螺纹,连杆的下端通过螺母安装于横杆上,上端套设连接片,并通过螺母固定。The wire support frame includes a cross bar and a connecting rod vertically installed on the cross bar, the two ends of the connecting rod are provided with threads, the lower end of the connecting rod is installed on the cross bar through a nut, the upper end is sleeved with a connecting piece, and is fixed.

所述横杆为槽型钢。The cross bar is channel steel.

所述加强三脚架为两根圆钢,两根圆钢的一端均使用螺栓固定在导线支撑架的两端,另一端使用螺栓连接在连杆的上端。The reinforced tripod is two round steels, one end of the two round steels is fixed to the two ends of the wire support frame by bolts, and the other end is connected to the upper end of the connecting rod by bolts.

所述滑轮组吊点包括两块联板,两块联板通过上下两个螺栓固定在导线支撑架两侧。The lifting point of the pulley block includes two connecting plates, and the two connecting plates are fixed on both sides of the wire support frame by upper and lower bolts.

所述导线支撑架的中部还安装有U型抱箍。A U-shaped hoop is also installed in the middle of the wire support frame.

本发明还公开了一种更换架空输电线路复合横担绝缘子的方法,包括以下步骤:The invention also discloses a method for replacing a composite cross-arm insulator of an overhead power transmission line, which includes the following steps:

1)首先将更换复合横担绝缘子装置提升到钢管塔架空地线挂点位置,使用U型抱箍将其安装在架空地线横担上;1) First, lift the replacement composite cross-arm insulator device to the hanging point of the overhead ground wire of the steel pipe tower, and install it on the overhead ground wire cross-arm with a U-shaped hoop;

2)利用传递绳索将滑轮组提升,并悬挂在支撑架一端的滑轮组吊点上;2) Use the transfer rope to lift the pulley block and hang it on the pulley block lifting point at one end of the support frame;

3)滑轮组的另一端安装在需要的更换复合横担绝缘子架设的导线上;3) The other end of the pulley block is installed on the wire erected by the replacement composite cross-arm insulator;

4)提升导线,使悬垂线夹与复合横担绝缘子间不再受力,打开悬垂线夹与复合横担绝缘子连接,拆除复合横担绝缘子,并将复合横担绝缘子降落到地面;4) Lift the wire so that there is no force between the suspension clamp and the composite cross-arm insulator, open the suspension clamp and connect the composite cross-arm insulator, remove the composite cross-arm insulator, and lower the composite cross-arm insulator to the ground;

5)提升新的复合横担绝缘子到应安装位置,并安装牢靠;5) Lift the new composite cross-arm insulator to the position where it should be installed, and install it securely;

6)恢复悬垂线夹与复合横担绝缘子之间的连接,并放松滑轮组绳索,使导线受力;6) Restore the connection between the suspension clamp and the composite cross-arm insulator, and loosen the rope of the pulley block to force the wire;

7)拆除滑轮组并降落到地面;7) Remove the pulley block and lower it to the ground;

8)拆除复合横担绝缘子并降落到地面,更换复合横担绝缘子结束。8) Remove the composite cross-arm insulator and drop it to the ground, and replace the composite cross-arm insulator.

与现有技术相比,本发明具有以下有益效果:Compared with the prior art, the present invention has the following beneficial effects:

本发明装置结构简单,安装操作方便,并可有效提升并固定导线,防止导线脱落,充分提高了效率。可用于钢管塔架设的多回路架空输电线路中一回更换复合横担绝缘子,有效减少停电次数,确保供电可靠性,实现经济效益,为社会创造更多经济价值。The device of the invention has simple structure, convenient installation and operation, can effectively lift and fix the wires, prevent the wires from falling off, and fully improve the efficiency. It can be used to replace the composite cross-arm insulator once in the multi-circuit overhead transmission line erected by the steel pipe tower, effectively reducing the number of power outages, ensuring the reliability of power supply, realizing economic benefits, and creating more economic value for the society.

【附图说明】【Description of drawings】

图1为本发明的轴测图;Fig. 1 is an axonometric view of the present invention;

图2为本发明的主视图;Fig. 2 is the front view of the present invention;

图3为本发明的左视图;Fig. 3 is the left view of the present invention;

图4为本发明的俯视图;Fig. 4 is the top view of the present invention;

图5为本发明U型抱箍的结构示意图;Fig. 5 is a schematic structural view of a U-shaped hoop of the present invention;

其中1为导线支撑架;2为滑轮组吊点;3为加强三角架;4为U型抱箍;5为连杆。Wherein 1 is a wire support frame; 2 is a lifting point of a pulley block; 3 is a reinforced tripod; 4 is a U-shaped hoop; 5 is a connecting rod.

【具体实施方式】【detailed description】

下面结合附图对本发明做进一步详细描述:The present invention is described in further detail below in conjunction with accompanying drawing:

参见图1至图5,本发明装置,包括导线支撑架1,导线支撑架1一端设有用于装设提升导线的滑轮组吊点2,另一端及中部安装有用于将支撑架固定在钢管塔架空地线横担上的U型抱箍4;导线支撑架1上设置用于提高导线支撑架1的强度的加强三角架3。导线支撑架1包括横杆和竖直安装于横杆上的连杆5,连杆5的两端设置有螺纹,连杆5的下端通过螺母安装于横杆上,上端套设连接片,并通过螺母固定。横杆为槽型钢。加强三脚架3为两根圆钢,两根圆钢的一端分别焊接在导线支撑架1的两端,。另一端均焊接在连杆5上端的连接片上。滑轮组吊点2包括两块联板,两块联板通过上下两个螺栓固定在导线支撑架1两侧。Referring to Fig. 1 to Fig. 5, the device of the present invention includes a wire support frame 1, one end of the wire support frame 1 is provided with a pulley block lifting point 2 for installing a lifting wire, and the other end and the middle part are installed with a support frame for fixing the steel pipe tower overhead. A U-shaped hoop 4 on the cross arm of the ground wire; a reinforcing tripod 3 for improving the strength of the wire support frame 1 is arranged on the wire support frame 1 . The wire support frame 1 includes a cross bar and a connecting rod 5 vertically installed on the cross bar, the two ends of the connecting rod 5 are provided with threads, the lower end of the connecting rod 5 is installed on the cross bar through a nut, and the upper end is sleeved with a connecting piece, and Secured with nuts. The cross bar is channel steel. The reinforced tripod 3 is two round steels, and one end of the two round steels is welded to the two ends of the wire support frame 1 respectively. The other ends are all welded on the connecting piece at the upper end of the connecting rod 5 . The pulley block lifting point 2 comprises two connecting plates, and the two connecting plates are fixed on both sides of the wire support frame 1 by two bolts up and down.

本发明更换架空输电线路复合横担绝缘子的方法,包括以下步骤:The method for replacing the composite cross-arm insulator of the overhead transmission line of the present invention comprises the following steps:

1)首先将更换复合横担绝缘子装置提升到钢管塔架空地线挂点位置,使用U型抱箍将其安装在架空地线横担上;1) First, lift the replacement composite cross-arm insulator device to the hanging point of the overhead ground wire of the steel pipe tower, and install it on the overhead ground wire cross-arm with a U-shaped hoop;

2)利用传递绳索将滑轮组提升,并悬挂在支撑架一端的滑轮组吊点上;2) Use the transfer rope to lift the pulley block and hang it on the pulley block lifting point at one end of the support frame;

3)滑轮组的另一端安装在需要的更换复合横担绝缘子架设的导线上;3) The other end of the pulley block is installed on the wire erected by the replacement composite cross-arm insulator;

4)提升导线,使悬垂线夹与复合横担绝缘子间不再受力,打开悬垂线夹与复合横担绝缘子连接,拆除复合横担绝缘子,并将复合横担绝缘子降落到地面;4) Lift the wire so that there is no force between the suspension clamp and the composite cross-arm insulator, open the suspension clamp and connect the composite cross-arm insulator, remove the composite cross-arm insulator, and lower the composite cross-arm insulator to the ground;

5)提升新的复合横担绝缘子到应安装位置,并安装牢靠;5) Lift the new composite cross-arm insulator to the position where it should be installed, and install it securely;

6)恢复悬垂线夹与复合横担绝缘子之间的连接,并放松滑轮组绳索,使导线受力;6) Restore the connection between the suspension clamp and the composite cross-arm insulator, and loosen the rope of the pulley block to force the wire;

7)拆除滑轮组并降落到地面;7) Remove the pulley block and lower it to the ground;

8)拆除复合横担绝缘子并降落到地面,更换复合横担绝缘子结束。8) Remove the composite cross-arm insulator and drop it to the ground, and replace the composite cross-arm insulator.

以110千伏XX线路#05塔复合横担绝缘子运行年限到期需更换进行抽检为例,目前线路还未出现运行异常,但不对线路复合横担绝缘子进行抽检,可能会造成绝缘子绝缘水平老化、绝缘子断裂,从而造成电力线路接地、导线脱落事故,影响供电用户约20万户。输电带电作业班工作人员在进行现场勘查后决定采用更换复合横担绝缘子装置及方法进行进行更换作业。Take the 110 kV XX line #05 tower composite cross-arm insulators as an example and need to be replaced when the service life expires. At present, there is no abnormal operation of the line, but if the line composite cross-arm insulators are not sampled, it may cause the insulation level of the insulators to age, The insulator broke, which caused the power line to be grounded and the wire to fall off, affecting about 200,000 power supply users. After the on-site investigation, the staff of the liveline work team of power transmission decided to use the device and method for replacing the composite cross-arm insulator to carry out the replacement operation.

以上内容仅为说明本发明的技术思想,不能以此限定本发明的保护范围,凡是按照本发明提出的技术思想,在技术方案基础上所做的任何改动,均落入本发明权利要求书的保护范围之内。The above content is only to illustrate the technical ideas of the present invention, and cannot limit the protection scope of the present invention. Any changes made on the basis of the technical solutions according to the technical ideas proposed in the present invention shall fall within the scope of the claims of the present invention. within the scope of protection.

Claims (7)

1.一种更换架空输电线路复合横担绝缘子装置,其特征在于,包括导线支撑架(1),导线支撑架(1)一端设有用于装设提升导线的滑轮组吊点(2),另一端安装有用于将支撑架固定在钢管塔架空地线横担上的U型抱箍(4);导线支撑架(1)上设置用于提高导线支撑架(1)的强度的加强三角架(3)。1. A kind of replacement overhead transmission line composite cross-arm insulator device, it is characterized in that, comprises wire support frame (1), and wire support frame (1) one end is provided with the pulley block lifting point (2) that is used to install lifting wire, the other end A U-shaped hoop (4) for fixing the support frame on the cross arm of the steel pipe tower overhead ground wire is installed; a reinforced tripod (3) for improving the strength of the wire support frame (1) is arranged on the wire support frame (1) ). 2.根据权利要求1所述的更换架空输电线路复合横担绝缘子装置,其特征在于,所述导线支撑架(1)包括横杆和竖直安装于横杆上的连杆(5),连杆(5)的两端设置有螺纹,连杆(5)的下端通过螺母安装于横杆上,上端套设连接片,并通过螺母固定。2. The device for replacing composite cross-arm insulators for overhead transmission lines according to claim 1, wherein the wire support frame (1) includes a cross bar and a connecting rod (5) vertically installed on the cross bar, connected Both ends of the rod (5) are provided with threads, the lower end of the connecting rod (5) is installed on the cross bar through a nut, and the upper end is sleeved with a connecting piece and fixed by a nut. 3.根据权利要求2所述的更换架空输电线路复合横担绝缘子装置,其特征在于,所述横杆为槽型钢。3. The device for replacing composite cross-arm insulators of overhead power transmission lines according to claim 2, characterized in that the cross-bar is channel-shaped steel. 4.根据权利要求2或3所述的更换架空输电线路复合横担绝缘子装置,其特征在于,所述加强三脚架(3)为两根圆钢,两根圆钢的一端均使用螺栓固定在导线支撑架(1)的两端,另一端使用螺栓连接在连杆(5)的上端。4. The replacement overhead transmission line composite cross-arm insulator device according to claim 2 or 3, characterized in that, the reinforced tripod (3) is two round steels, and one end of the two round steels is fixed on the wire by bolts The two ends of the bracing frame (1), and the other end are connected to the upper end of the connecting rod (5) using bolts. 5.根据权利要求1所述的更换架空输电线路复合横担绝缘子装置,其特征在于,所述滑轮组吊点(2)包括两块联板,两块联板通过上下两个螺栓固定在导线支撑架(1)两侧。5. The device for replacing the composite cross-arm insulator of overhead transmission lines according to claim 1, characterized in that, the pulley block lifting point (2) includes two connecting plates, and the two connecting plates are fixed on the wire support by two upper and lower bolts on both sides of the frame (1). 6.根据权利要求1所述的更换架空输电线路复合横担绝缘子装置,其特征在于,所述导线支撑架(1)的中部还安装有U型抱箍(4)。6. The device for replacing composite cross-arm insulators of overhead power transmission lines according to claim 1, characterized in that, a U-shaped hoop (4) is installed in the middle of the wire support frame (1). 7.一种采用权利要求1所述装置更换架空输电线路复合横担绝缘子的方法,其特征在于,包括以下步骤:7. A method for replacing the composite cross-arm insulator of an overhead power transmission line by means of the device according to claim 1, characterized in that it comprises the following steps: 1)首先将更换复合横担绝缘子装置提升到钢管塔架空地线挂点位置,使用U型抱箍将其安装在架空地线横担上;1) First, lift the replacement composite cross-arm insulator device to the hanging point of the overhead ground wire of the steel pipe tower, and install it on the overhead ground wire cross-arm with a U-shaped hoop; 2)利用传递绳索将滑轮组提升,并悬挂在支撑架一端的滑轮组吊点上;2) Use the transfer rope to lift the pulley block and hang it on the pulley block lifting point at one end of the support frame; 3)滑轮组的另一端安装在需要的更换复合横担绝缘子架设的导线上;3) The other end of the pulley block is installed on the wire erected by the replacement composite cross-arm insulator; 4)提升导线,使悬垂线夹与复合横担绝缘子间不再受力,打开悬垂线夹与复合横担绝缘子连接,拆除复合横担绝缘子,并将复合横担绝缘子降落到地面;4) Lift the wire so that there is no force between the suspension clamp and the composite cross-arm insulator, open the suspension clamp and connect the composite cross-arm insulator, remove the composite cross-arm insulator, and lower the composite cross-arm insulator to the ground; 5)提升新的复合横担绝缘子到应安装位置,并安装牢靠;5) Lift the new composite cross-arm insulator to the position where it should be installed, and install it securely; 6)恢复悬垂线夹与复合横担绝缘子之间的连接,并放松滑轮组绳索,使导线受力;6) Restore the connection between the suspension clamp and the composite cross-arm insulator, and loosen the rope of the pulley block to force the wire; 7)拆除滑轮组并降落到地面;7) Remove the pulley block and lower it to the ground; 8)拆除复合横担绝缘子并降落到地面,更换复合横担绝缘子结束。8) Remove the composite cross-arm insulator and drop it to the ground, and replace the composite cross-arm insulator.
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