CN113745921A - Movable 500kV line grounding wire auxiliary disassembling tool and method - Google Patents

Movable 500kV line grounding wire auxiliary disassembling tool and method Download PDF

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Publication number
CN113745921A
CN113745921A CN202111011623.5A CN202111011623A CN113745921A CN 113745921 A CN113745921 A CN 113745921A CN 202111011623 A CN202111011623 A CN 202111011623A CN 113745921 A CN113745921 A CN 113745921A
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China
Prior art keywords
rod
telescopic rod
movable platform
clamp
ground wire
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CN202111011623.5A
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Chinese (zh)
Inventor
尹志超
黄新祥
倪军
牟金祥
吴东升
郑军平
黄旭
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Yunnan Huadian Jinsha River Hydropower Development Co ltd Ahai Power Generation Branch
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Yunnan Huadian Jinsha River Hydropower Development Co ltd Ahai Power Generation Branch
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Priority to CN202111011623.5A priority Critical patent/CN113745921A/en
Publication of CN113745921A publication Critical patent/CN113745921A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/027—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for connecting conductors by clips
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork
    • H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66—Connections with the terrestrial mass, e.g. earth plate, earth pin

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Cable Installation (AREA)

Abstract

本发明涉及电力设备技术领域，尤其涉及一种移动式500kV线路接地线辅助拆装工具及方法。本发明包括可移动平台和固定在所述可移动平台上的伸缩杆，所述伸缩杆可平行或者垂直放置在所述可移动平台上，所述伸缩杆的底部与所述可移动平台之间为转动连接，所述伸缩杆的下部周边设有若干斜杆，斜杆的底部固定在可移动平台上，斜杆的顶部固定有将伸缩杆锁紧的抱箍，所述伸缩杆的顶端通过法兰固定有夹具，所述夹具可张开将接地线挂杆的绝缘端装入其中后再收紧将接地线挂杆夹紧。利用本拆装工具进行500kV线路接地线的操作，大大降低了工作人员受伤或者损坏设备的风险，让整个操作过程更加安全可靠，可适用于不同的场景，具有极大的推广前景。

Figure 202111011623

The invention relates to the technical field of power equipment, in particular to a mobile 500kV line grounding wire auxiliary disassembly tool and method. The present invention includes a movable platform and a telescopic rod fixed on the movable platform, the telescopic rod can be placed on the movable platform in parallel or vertically, and the bottom of the telescopic rod is located between the movable platform and the movable platform. For rotational connection, there are several inclined rods around the lower part of the telescopic rod, the bottom of the inclined rod is fixed on the movable platform, the top of the inclined rod is fixed with a hoop for locking the telescopic rod, and the top of the telescopic rod passes through. The flange is fixed with a clamp, the clamp can be opened to install the insulating end of the ground wire hanging rod into it, and then tightened to clamp the ground wire hanging rod. The use of this disassembly tool to operate the ground wire of 500kV lines greatly reduces the risk of injury to staff or damage to equipment, and makes the entire operation process safer and more reliable. It can be applied to different scenarios and has great promotion prospects.

Figure 202111011623

Description

Movable 500kV line grounding wire auxiliary disassembling tool and method
Technical Field
The invention relates to the technical field of power equipment, in particular to a movable auxiliary disassembling tool and method for a 500kV line grounding wire.
Background
Ground wires are a tool often used in power systems, mainly to ensure the safety of workers when voltage is accidentally present on equipment and lines that have been powered down. In the operation of power station, involve the daily operation maintenance of main and distribution network, during equipment switching and power equipment overhaul, all need the dismouting earth connection to guarantee operating personnel's safety, current earth connection dismouting is mainly by manual operation, during 500kV transmission line dismouting earth connection at present, generally through 5 meters of manual operation or even longer action bars, perhaps with the help of certain equipment of ascending a height, this kind of mode has very big potential safety hazard, it is consuming time longer simultaneously, be unfavorable for developing of overhaul of the equipments work, operating personnel waste time and energy, no suitable equipment can realize the quick assembly disassembly to 500kV transmission line earth connection at present, therefore it is necessary to design a compact structure, convenient operation's assembly and disassembly tools realizes the quick safe dismouting of earth connection.
Disclosure of Invention
In order to solve the technical problems, the invention provides a movable auxiliary assembly and disassembly tool for a 500kV line grounding wire, and the auxiliary assembly and disassembly tool is used for quickly and safely assembling and disassembling the grounding wire.
The invention adopts the following technical scheme:
the utility model provides a portable 500kV circuit earth connection assists assembly and disassembly tools, includes movable platform and fixes telescopic link on the movable platform, the telescopic link can be parallel or place perpendicularly on the movable platform, the bottom of telescopic link with be connected for rotating between the movable platform, the lower part periphery of telescopic link is equipped with a plurality of down tube, and the bottom of down tube is fixed on movable platform, and the top of down tube is fixed with the staple bolt with telescopic link locking, the top of telescopic link is fixed with anchor clamps through the flange, anchor clamps can open and pack into the insulating end of earth connection peg wherein the back and tighten up again and press from both sides the earth connection peg tightly.
The bottom of telescopic link with the bottom of down tube all fixes on movable platform through the footstock, still be fixed with the stabilizer blade that links to each other with the down tube on the footstock for fixing telescopic link.
The telescopic link with all seted up the air cock on the anchor clamps, the air cock passes through the trachea and links to each other with the air pump.
The telescopic link includes diameter first festival pole, second festival pole and the third festival pole that gradually increases, and the three overlaps from last to establishing together in proper order down.
When the telescopic link shortens to the shortest, its length is less than 2 meters, the length that the telescopic link extends the longest is 5 meters.
The length of the clamp is 50cm, and the diameter of the clamp after the clamp is opened is not less than 10 cm.
The ground wire hanging rod consists of an insulating rod and a ground wire clamping piece fixed at the top end of the insulating rod.
The method for disassembling and assembling the 500kV line grounding wire by using the disassembling and assembling tool specifically comprises the following steps: pushing the movable platform to a dismounting and mounting site, when ground wire installation is carried out, laying down the telescopic rod to be parallel to the movable platform, starting the air pump to open the clamp, installing the insulating end of the ground wire hanging rod into the clamp, closing the air pump to enable the clamp to contract to clamp the ground wire hanging rod, erecting the telescopic rod to be perpendicular to the movable platform, starting the air pump to enable the telescopic rod to ascend, moving the movable platform to hang the ground wire hanging rod on a 500kV line, closing the air pump to enable the telescopic rod to hang the ground wire firmly downwards, opening the clamp again, releasing the power wire hanging rod, contracting the telescopic rod to lay flat, and then removing the movable platform;
when the ground wire is disassembled, the telescopic rod is erected to be perpendicular to the movable platform, the air pump is started to enable the telescopic rod to ascend, the clamp is opened and aligned with the ground wire hanging rod, the telescopic rod ascends to enable the clamp to clamp the ground wire hanging rod, the telescopic rod ascends again and moves the movable platform to take down the ground wire hanging rod, the telescopic rod is contracted and laid down to be parallel to the movable platform, and the movable platform is moved after the clamp is opened again to take down the ground wire hanging rod.
When will when the telescopic link is laid down, untie the staple bolt earlier, rotate the telescopic link to be parallel with portable platform, when inciting somebody to action when the telescopic link is erect, the telescopic link locks the telescopic link through the staple bolt after perpendicular with portable platform to it is firm to support the telescopic link through down tube and stabilizer blade.
Has the advantages that: the disassembling tool is compact and reasonable in structural design, convenient to move and easy to operate by workers, can realize quick disassembling and assembling of 500kV line grounding wires, shortens working time and improves disassembling and assembling efficiency of the grounding wires;
utilize this assembly and disassembly tools to carry out the operation of 500kV circuit earth connection, greatly reduced the staff injured or the risk of damaging equipment, let whole operation process safe and reliable more, be fit for not operation requirement of co-altitude, applicable in different scenes, have very big popularization prospect.
Drawings
FIG. 1: the invention has a structure schematic diagram;
FIG. 2: the field diagram of the 500kV line in the embodiment 1 of the invention;
FIG. 3: the schematic diagram of the ground wire hanging rod in embodiment 1 of the invention;
reference numbers in the figures: 1-movable platform, 2-telescopic rod, 3-flange, 4-clamp, 5-ground wire hanging rod, 6-first rod, 7-second rod, 8-third rod, 9-air pipe, 10-hoop, 11-diagonal rod, 12-support leg, 13-air nozzle, 14-top seat, 15-insulating rod, 16-ground wire clamp and 17-air pump.
Detailed Description
In order to make the object and technical solution of the present invention clearer, the present invention will be further explained and explained in detail with reference to the accompanying drawings and specific embodiments.
Example 1: in this embodiment, an a seawater power station is taken as an example for detailed description, and the a seawater power station is located at a midstream river section of the Jinshajiang river, which is a junction between Yulong county and Ning Langdang county in Lijiang City of Yunnan province, belongs to a large (I) type I project and the like, and is a water conservancy and hydropower hub project which mainly generates electricity and comprehensively utilizes flood control, irrigation and the like. The upstream of the seawater power station is connected with the pear garden hydropower station, the downstream of the seawater power station is adjacent to the Jinan bridge hydropower station, and the seawater power station is connected with the Jinan bridge hydropower station through a 500kV power transmission line, the related power transmission line is about 220 kilometers, and the workload of dismounting and mounting the grounding wire is large.
The disassembling tool disclosed by the invention bears the weight of a grounding wire by not less than 30kg, the main structure is shown in figure 1, the disassembling tool comprises a movable platform 1 and an expansion link 2 fixed on the movable platform 1, the expansion link 2 can be placed on the movable platform 1 in parallel or vertically, the bottom of the expansion link 2 is rotatably connected with the movable platform 1, a plurality of inclined rods 11 are arranged on the periphery of the lower part of the expansion link 2, the bottoms of the inclined rods 11 are fixed on the movable platform 1, a hoop 10 for locking the expansion link 2 is fixed at the top of each inclined rod 11, a clamp 4 is fixed at the top end of the expansion link 2 through a flange 3, and the clamp 4 can be opened to place the insulating end of the grounding wire hanging rod 5 into the clamp and then tightened to clamp the grounding wire hanging rod 5.
The bottom of telescopic link 2 with the bottom of down tube 11 is all fixed on movable platform 1 through footstock 14, a stabilizer blade 12 that links to each other with down tube 11 still is fixed with on the footstock 14 for fixing telescopic link 2, and it is firm to support telescopic link 2 through stabilizer blade 12 and down tube 11, keeps telescopic link 2 not to take place the slope when erectting the state and use and influences the dismouting of connecting wire.
Telescopic link 2 with all seted up air cock 13 on anchor clamps 4, air cock 13 passes through trachea 9 and links to each other with air pump 17, and through air pump 17 can be convenient control telescopic link 2 and anchor clamps 4's motion state, not only simple structure, convenient operation, the while instrument itself overhauls also conveniently.
The telescopic rod 2 comprises a first section rod 6, a second section rod 7 and a third section rod 8, wherein the diameters of the first section rod, the second section rod and the third section rod are gradually increased, and the three sections are sequentially sleeved together from top to bottom.
When the telescopic link 2 is shortened to the shortest, the length of the telescopic link is less than 2 meters, and the length of the telescopic link 2 extending to the longest is 5 meters, so that the telescopic link 2 is ensured to be conveniently stored, and the height requirement of the ground wire during disassembly and assembly is also met.
The length of the clamp 4 is 50cm, the diameter of the clamp after the clamp is opened is not less than 10cm, and the insulating end of the ground wire hanging rod 5 can be well fixed in the clamp.
As shown in fig. 3, the ground wire hanging rod 5 is composed of an insulating rod 15 and a ground wire clamping member 16 fixed to the top end thereof, and may be made of any conventional product.
When the dismounting tool is used for mounting the 500kV line grounding wire, the grounding wire hanging rod 5 in the figure 3 needs to be hung on the 500kV line shown in the figure 2, and is specifically hung at the position marked by the square frame in the figure, and the height of the grounding wire hanging rod from the ground is 10 meters. The specific operation is as follows:
pushing the movable platform 1 to a dismounting site, putting the telescopic rod 2 down to be parallel to the movable platform 1, starting the air pump 17 to open the clamp 4, putting the insulating end of the grounding wire hanging rod 5 into the clamp and closing the air pump 17 to contract the clamp 4 to clamp the grounding wire hanging rod 5, erecting the telescopic rod 2 to be vertical to the movable platform 1, starting the air pump 17 to lift the telescopic rod 2, simultaneously moving the movable platform 1 to hang the grounding wire hanging rod 5 on a 500kV line, closing the air pump 17 to enable the telescopic rod 2 to downwards hang and fix the grounding wire firmly, opening the clamp 4 again, releasing the grounding wire hanging rod 5, contracting the telescopic rod 2 to lay flat, and then removing the movable platform 1;
when the ground wire is disassembled, the telescopic rod 2 is erected to be perpendicular to the movable platform 1, the air pump 17 is started to enable the telescopic rod 2 to ascend, the clamp 4 is opened and is aligned with the ground wire hanging rod 5, the telescopic rod 2 ascends to enable the clamp 4 to clamp the ground wire hanging rod 5, the telescopic rod 2 ascends again and moves the movable platform 1 to take down the ground wire hanging rod 5, the telescopic rod 2 is contracted and is laid down to be parallel to the movable platform 1, and the movable platform 1 is moved after the clamp 4 is opened again to detach the ground wire hanging rod 5. Through the control mode of above-mentioned air pump 17, convenient realization lasting rising and decline of telescopic link 2, its stop motion is in time controlled when can it reachs suitable position to more accurate drive the hanging of earth connection peg 5 and take off, movable platform 1 sets up the transport that has also made things convenient for whole instrument, in the operation process, the operation personnel need not handheld earth connection peg 5, personnel's safety is guaranteed simultaneously to very big reduction manpower, and the dismouting of connecting the electric wire is good again soon.
When will when the telescopic link 2 is laid down, untie staple bolt 10 earlier, rotate telescopic link 2 to be parallel with portable platform 1, when will when the telescopic link 2 is erect, the telescopic link 2 locks telescopic link 2 through staple bolt 10 after 2 and portable platform 1 are perpendicular to support telescopic link 2 through down tube 11 and stabilizer blade 12 and stabilize, guaranteed the stability in the 2 working processes of telescopic link.
It should be understood that the above description of embodiments is exemplary only, and is not intended to limit the scope of the invention. It will be appreciated by those skilled in the art that variations may be made without departing from the spirit and scope of the invention.

Claims (9)

1.一种移动式500kV线路接地线辅助拆装工具，其特征在于：包括可移动平台(1)和固定在所述可移动平台(1)上的伸缩杆(2)，所述伸缩杆(2)可平行或者垂直放置在所述可移动平台(1)上，所述伸缩杆(2)的底部与所述可移动平台(1)之间为转动连接，所述伸缩杆(2)的下部周边设有若干斜杆(11)，斜杆(11)的底部固定在可移动平台(1)上，斜杆(11)的顶部固定有将伸缩杆(2)锁紧的抱箍(10)，所述伸缩杆(2)的顶端通过法兰(3)固定有夹具(4)，所述夹具(4)可张开将接地线挂杆(5)的绝缘端装入其中后再收紧将接地线挂杆(5)夹紧。1. A mobile 500kV line ground wire auxiliary disassembly tool is characterized in that: comprising a movable platform (1) and a telescopic rod (2) fixed on the movable platform (1), the telescopic rod ( 2) It can be placed on the movable platform (1) in parallel or vertically, the bottom of the telescopic rod (2) and the movable platform (1) are connected in rotation, A plurality of inclined rods (11) are arranged on the periphery of the lower part, the bottom of the inclined rod (11) is fixed on the movable platform (1), and the top of the inclined rod (11) is fixed with a hoop (10) for locking the telescopic rod (2). ), the top end of the telescopic rod (2) is fixed with a clamp (4) through the flange (3), and the clamp (4) can be opened to install the insulating end of the ground wire hanging rod (5) into it and then retract it Tightly clamp the ground wire hanger (5). 2.根据权利要求1所述的移动式500kV线路接地线辅助拆装工具，其特征在于：所述伸缩杆(2)的底部和所述斜杆(11)的底部均通过顶座(14)固定在可移动平台(1)上，所述用于固定伸缩杆(2)的顶座(14)上还固定有与斜杆(11)相连的支脚(12)。2. The mobile 500kV line ground wire auxiliary disassembly tool according to claim 1, wherein the bottom of the telescopic rod (2) and the bottom of the inclined rod (11) pass through the top seat (14) It is fixed on the movable platform (1), and the top seat (14) for fixing the telescopic rod (2) is also fixed with a support foot (12) connected with the inclined rod (11). 3.根据权利要求1所述的移动式500kV线路接地线辅助拆装工具，其特征在于：所述伸缩杆(2)和所述夹具(4)上均开设有气嘴(13)，气嘴(13)通过气管(9)与气泵(17)相连。3. The mobile 500kV line grounding wire auxiliary disassembly tool according to claim 1, characterized in that: the expansion rod (2) and the clamp (4) are provided with air nozzles (13), and the air nozzles are provided with air nozzles (13). (13) is connected with the air pump (17) through the air pipe (9). 4.根据权利要求3所述的移动式500kV线路接地线辅助拆装工具，其特征在于：所述伸缩杆(2)包括直径逐渐增大的第一节杆(6)、第二节杆(7)和第三节杆(8)，三者从上至下依次套设在一起。4. The mobile 500kV line ground wire auxiliary disassembly tool according to claim 3, wherein the telescopic rod (2) comprises a first section rod (6) and a second section rod ( 7) and the third section rod (8), the three are set together in sequence from top to bottom. 5.根据权利要求4所述的移动式500kV线路接地线辅助拆装工具，其特征在于：所述伸缩杆(2)缩短至最短时，其长度小于2米，所述伸缩杆(2)伸至最长时的长度为5米。5. The mobile 500kV line ground wire auxiliary disassembly tool according to claim 4, characterized in that: when the telescopic rod (2) is shortened to the shortest, its length is less than 2 meters, and the telescopic rod (2) extends The maximum length is 5 meters. 6.根据权利要求4所述的移动式500kV线路接地线辅助拆装工具，其特征在于：所述夹具(4)的长度为50cm，张开后的直径不少于10cm。6 . The mobile 500kV line ground wire auxiliary disassembly tool according to claim 4 , wherein the length of the clamp ( 4 ) is 50 cm, and the opened diameter is not less than 10 cm. 7 . 7.根据权利要求1所述的移动式500kV线路接地线辅助拆装工具，其特征在于：所述接地线挂杆(5)由绝缘棒(15)和固定在其顶端的接地线夹持件(16)组成。7. The mobile 500kV line grounding wire auxiliary disassembly tool according to claim 1, characterized in that: the grounding wire hanging rod (5) is composed of an insulating rod (15) and a grounding wire clamp fixed on the top of the ground wire (16) COMPOSITION. 8.利用权利要求1-7中任意一项所述拆装工具进行500kV线路接地线拆装的方法，其特征在于：将可移动平台(1)推动至拆装现场，当进行接地线安装时，将伸缩杆(2)放倒至与所述可移动平台(1)平行，启动气泵(17)张开夹具(4)，将接地线挂杆(5)的绝缘端装入其中并关闭气泵(17)使夹具(4)收缩将接地线挂杆(5)夹紧，将伸缩杆(2)竖立至与可移动平台(1)垂直，启动气泵(17)使伸缩杆(2)上升，并移动可移动平台(1)将接地线挂杆(5)挂在500kV线路上，关闭气泵(17)使伸缩杆(2)向下将接地线挂装牢靠，再次张开夹具(4)，将接电线挂杆(5)放开，并收缩伸缩杆(2)将其放平后移走可移动平台(1)；8. The method for disassembling and assembling the 500kV line grounding wire using the disassembly and assembly tool described in any one of claims 1-7, wherein the movable platform (1) is pushed to the disassembly and assembly site, and when the grounding wire is installed , put down the telescopic rod (2) parallel to the movable platform (1), start the air pump (17) to open the clamp (4), put the insulating end of the grounding wire hanging rod (5) into it and turn off the air pump (17) Contract the clamp (4) to clamp the grounding wire hanging rod (5), erect the telescopic rod (2) to be perpendicular to the movable platform (1), start the air pump (17) to make the telescopic rod (2) rise, And move the movable platform (1) to hang the ground wire hanging rod (5) on the 500kV line, turn off the air pump (17), make the telescopic rod (2) downward to hang the ground wire firmly, open the clamp (4) again, Release the wire connecting rod (5), and retract the telescopic rod (2) to level it and remove the movable platform (1); 当进行接地线拆卸时，将伸缩杆(2)竖立至与可移动平台(1)垂直，启动气泵(17)使伸缩杆(2)上升，张开夹具(4)并对准接地线挂杆(5)，上升伸缩杆(2)使夹具(4)将接地线挂杆(5)夹紧，再次上升伸缩杆(2)并移动可移动平台(1)将接地线挂杆(5)取下，收缩伸缩杆(2)并放倒至与可移动平台(1)平行，再张开夹具(4)拆下接地线挂杆(5)后，移走可移动平台(1)。When removing the ground wire, erect the telescopic rod (2) to be perpendicular to the movable platform (1), start the air pump (17) to raise the telescopic rod (2), open the clamp (4) and align the ground wire hanging rod (5), raise the telescopic rod (2) to make the clamp (4) clamp the grounding wire hanging rod (5), raise the telescopic rod (2) again and move the movable platform (1) to take the grounding wire hanging rod (5). down, retract the telescopic rod (2) and lay it down to be parallel with the movable platform (1), then open the clamp (4) and remove the grounding wire hanging rod (5), then remove the movable platform (1). 9.根据权利要求8所述的500kV线路接地线拆装方法，其特征在于：当将所述伸缩杆(2)放倒时，先将抱箍(10)解开，转动伸缩杆(2)至与可移动平台(1)平行，当将所述伸缩杆(2)竖立时，伸缩杆(2)与可移动平台(1)垂直后通过抱箍(10)将伸缩杆(2)锁紧，从而通过斜杆(11)和支脚(12)将伸缩杆(2)支撑稳固。9. The method for disassembling and assembling a 500kV line grounding wire according to claim 8, wherein when the telescopic rod (2) is put down, the hoop (10) is first unfastened, and the telescopic rod (2) is rotated. to be parallel to the movable platform (1), when the telescopic rod (2) is erected, the telescopic rod (2) is locked by the hoop (10) after being perpendicular to the movable platform (1) , so that the telescopic rod (2) is stably supported by the inclined rod (11) and the support feet (12).
CN202111011623.5A 2021-08-31 2021-08-31 Movable 500kV line grounding wire auxiliary disassembling tool and method Pending CN113745921A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115458964A (en) * 2022-10-09 2022-12-09 中国南方电网有限责任公司超高压输电公司梧州局 Removing and installing the ground wire device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210985154U (en) * 2019-10-14 2020-07-10 国网安徽省电力有限公司检修分公司 Grounding wire device
CN111483951A (en) * 2020-04-02 2020-08-04 国网安徽省电力有限公司淮南供电公司 An auxiliary ground wire hanging and dismantling operation platform applied to voltage levels of 110kV and above
CN217769042U (en) * 2021-08-31 2022-11-08 云南华电金沙江中游水电开发有限公司阿海发电分公司 Portable 500kV circuit earth connection assists assembly and disassembly tools

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN210985154U (en) * 2019-10-14 2020-07-10 国网安徽省电力有限公司检修分公司 Grounding wire device
CN111483951A (en) * 2020-04-02 2020-08-04 国网安徽省电力有限公司淮南供电公司 An auxiliary ground wire hanging and dismantling operation platform applied to voltage levels of 110kV and above
CN217769042U (en) * 2021-08-31 2022-11-08 云南华电金沙江中游水电开发有限公司阿海发电分公司 Portable 500kV circuit earth connection assists assembly and disassembly tools

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115458964A (en) * 2022-10-09 2022-12-09 中国南方电网有限责任公司超高压输电公司梧州局 Removing and installing the ground wire device

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Application publication date: 20211203