CN111864626B - Universal tool for replacing insulator - Google Patents

Universal tool for replacing insulator Download PDF

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Publication number
CN111864626B
CN111864626B CN202010721912.3A CN202010721912A CN111864626B CN 111864626 B CN111864626 B CN 111864626B CN 202010721912 A CN202010721912 A CN 202010721912A CN 111864626 B CN111864626 B CN 111864626B
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China
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shaped
clamp
triangular plate
insulators
fixture
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CN111864626A (en
Inventor
朱春雷
殷子沛
王丹海
田宇宸
曹正
张宇超
王德祥
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Tianjin Power Transmission And Distribution Engineering Co ltd
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
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Tianjin Power Transmission And Distribution Engineering Co ltd
State Grid Corp of China SGCC
State Grid Tianjin Electric Power Co Ltd
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Publication of CN111864626A publication Critical patent/CN111864626A/en
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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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Abstract

The invention relates to a universal tool for replacing insulators, which comprises a bowl end clamp, a bottle dragging belt, a stressed inverted chain and a set square clamp, wherein the set square clamp can be detachably connected with a set square, the set square clamp can also be detachably connected with the stressed inverted chain, the stressed inverted chain can also be detachably connected with the bowl end clamp and the bottle dragging belt, the bowl end clamp can clamp and release the insulators, the bottle dragging belt can support the insulators arranged above the bottle dragging belt, and the set square clamp, the stressed inverted chain and the bowl end clamp can be matched to loosen the insulators fixedly arranged between the two set squares. The universal tool increases the safety in the transfer process, does not need large vehicles for transportation, reduces the transportation cost, solves the problem that the insulator cannot be replaced due to the fact that large tools cannot be transported due to road conditions, is convenient to mount and greatly increases the working efficiency.

Description

Universal tool for replacing insulator
Technical Field
The invention relates to the technical field of power line construction and maintenance equipment, in particular to a universal tool for replacing insulators.
Background
In the defect operation of the overhead transmission line, the replacement of the insulator is very common work, the conventional processing method is to use a single-chip fixture or a bottle supporting frame, when the single-chip fixture is used, firstly, whether the specification model and the end part of a bowl head of the insulator have annular raised clamping positions or not needs to be confirmed on site, then, the single-chip fixture corresponding to the specification model is selected, and the replacement method can be used only when the specification model, the annular raised clamping positions and the single-chip fixture corresponding to the specification model are met simultaneously; when using the bottle support frame, because of holding in the palm the bottle frame structure extremely long, need use the oversize vehicle transportation, and need use the chain block simultaneously and cooperate the use as the stress structure, complex operation and work efficiency are extremely low.
When the insulator replacement tool is used for replacing insulators, the power supply line is connected with a power supply line, and the power supply line is connected with a power supply line.
Through searching, no patent publication related to the present patent application has been found.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provides a universal tool for replacing insulators.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a change insulator universal tool, the instrument includes bowl head end fixture, holds in the palm bottle area, atress chain fall and set-square fixture, is equipped with a plurality of insulators between two set-squares admittedly, and a plurality of insulators can dismantle in proper order and be connected the setting, set-square fixture can dismantle with the set-square and be connected the setting, and this set-square fixture can also dismantle with the atress chain fall and be connected the setting, and this atress chain fall can also can dismantle with bowl head end fixture, support the bottle area and be connected the setting, bowl head end fixture can block and release the insulator, it can the bearing set up in the insulator of its top to hold in the bottle area, set-square fixture, atress chain fall, bowl head end fixture can cooperate the insulator that makes between two set-squares admittedly not hard.
And the triangular plate fixture comprises a fixture body, a round hole, a U-shaped long hole and a U-shaped inserting type clamping groove, the triangular plate fixture is arranged along the horizontal direction, the round hole is formed in one horizontal side of the triangular plate fixture, the U-shaped long hole is formed in the other horizontal side of the triangular plate fixture, the U-shaped inserting type clamping groove is further formed in the fixture body, the U-shaped long hole and the U-shaped inserting type clamping groove are arranged corresponding to the construction holes of the triangular plate and can be connected with the same bolt, and the round hole and the U-shaped long hole can be connected with the bolt.
And the bowl head end clamp, the stressed chain block and the set square clamp are all made of high-strength aluminum alloy.
Moreover, the bottle supporting belt is arranged to be one or more than two, the bottle supporting belt comprises a bottle supporting belt body and hooks, and the hooks are arranged at two ends of the bottle supporting belt body.
Moreover, the hook of the bottle supporting belt can be hooked on the stressed inverted chain.
And, the bowl head end fixture includes bowl head end fixture body, locking bolt, inside groove, U type link and packing draw-in groove, locking bolt, inside groove, U type link all set up on bowl head end fixture body, the shape of packing the draw-in groove is identical with the shape of inside groove, and this packing draw-in groove can the gomphosis set up in the inside groove, and the quantity of packing the draw-in groove sets up to one or more. When the number of the filling clamping grooves is more than two, the inner diameters of the filling clamping grooves are different;
the U-shaped hanging ring can be detachably connected with the stressed chain block.
And, be equipped with U type bolt on the atress back chain, this U type bolt can be connected the setting with the round hole of set-square fixture, U type slot hole, set-square construction hole, the atress back chain can be connected the setting through U type bolt, nut, round hole, U type slot hole with set-square fixture, and this atress back chain can be connected the setting through the construction hole of U type bolt, nut, U type slot hole, U type bayonet draw-in groove, set-square with the set-square.
And the U-shaped bolt of the stress chain block is an 8.8-level high-strength U-shaped bolt.
The universal tool for replacing the insulator is applied to the aspect of insulator replacing operation of a power transmission line.
The using method of the universal tool for replacing the insulator comprises the following steps:
after the overhead working personnel reach the end part of a tower cross arm, a universal tool is transferred to the tower by using a transfer rope;
secondly, the bowl head end fixture penetrates through a gap between the insulators and then is sleeved on a ball head of the insulator, the gap between an inner groove of the bowl head end fixture and the ball head is observed, the filled inner groove is inserted into the inner groove of the bowl head end fixture until the ball head can be clamped by the inner groove, and finally, a bolt is screwed down to lock the inner groove;
thirdly, clamping the U-shaped inserting type clamping groove of the triangular plate clamping device into the triangular plate, and inserting and fixing the U-shaped bolt at one end of the inner stressed chain block after the U-shaped long hole of the clamping device is overlapped with the construction hole of the triangular plate;
inserting a U-shaped bolt at the other end of the inner side chain block into a bowl head end clamp at the ball end for fixing;
fifthly, fixing the outer side chain blocks with the triangular plate fixture and the bowl head end fixture at the ball head end respectively;
sixthly, adjusting the position of a U-shaped plug-in card slot of the triangular plate fixture to enable a proper distance to be kept between the stressed chain hoist and the insulator string;
simultaneously fastening stressed inverted chains on the inner side and the outer side, stopping fastening the inverted chains when the insulators are loosened to be capable of being detached, and selectively installing bottle supporting belts on two sides and other positions of the porcelain insulator to be replaced;
the installation quantity of the bottle supporting belts can be selected at will according to the length of the insulator string, and finally the porcelain bottle is not dropped;
after the inner and outer stressed chain reversals are simultaneously and properly fastened, the porcelain bottle to be replaced is replaced;
after the chain block is loosened, the operation is completed after the tool is dismantled.
The invention has the advantages and effects that:
1. the universal tool adopts a mode of combining the inverted chain and the fixture, and forms the universal fixture at the bowl head end and the universal fixture at the triangular plate end by combining field practice, so that the whole weight and the structural size are reduced, the operability is improved, the early preparation work that whether the specification model of the insulator and the end part of the bowl head are provided with the annular convex clamping position or not needs to be confirmed on site when a single fixture is used is avoided, the whole working efficiency of special work is improved, the resource waste problem caused by the production of a large number of single clamps with different specifications and models is avoided, and the problems that when a bottle supporting frame is used, a large-sized vehicle needs to be used for transportation, the inverted chain needs to be used as a stress structure for matching use, the operation is complicated, the working efficiency is extremely low, and the safety risk is high are avoided.
2. The universal tool for replacing the insulator is used, the whole structure is reduced, compared with a bottle supporting frame, the safety in the transfer process is improved, a large-sized vehicle is not needed for transportation, the transportation cost is reduced, the problem that the insulator cannot be replaced due to the fact that the large-sized tool cannot be transported under road conditions is solved, the universal fixture at the two ends is convenient to install in the use process, and the working efficiency is greatly improved.
3. The universal tool is used for replacing the insulator, and is a tool capable of improving the working efficiency, reducing the working risk and saving the construction and maintenance cost.
4. The universal tool is mainly applied to the replacement operation of the insulator of the power transmission line, and the result comprises three parts: the invention belongs to a safety tool in the process of construction and maintenance of a power transmission line, and the device can improve the safety of the operation process, improve the working efficiency and save the cost. Not only can solve various limiting factors of the traditional tool, but also can save the cost generated by customizing a large number of tools with different specifications and models, thereby generating economic gain.
5. The inner groove of the bowl head end clamp of the tool adopts a replaceable structure, namely the original inner groove and the clamp form an integral structure, and then conical clamping grooves with different inner diameters, namely filling clamping grooves, are respectively manufactured.
The bowl head end clamp of the tool is provided with a U-shaped hanging ring for connection and is used for bearing tension.
The bowl head end clamp of the tool adopts a semi-closed structure, is sleeved on the outer surface of a bowl head after being opened and closed, and the inner groove of the clamp is a conical groove body with unequal diameters and faces towards an insulator porcelain bottle umbrella skirt when being installed on a large-caliber side and faces towards an insulator ball head when being installed on a small-caliber side.
Drawings
FIG. 1 is a schematic view showing a structural connection of a universal tool for replacing insulators according to the present invention in a working state;
FIG. 2 is a schematic view of the structural attachment of the set square fixture of FIG. 1 in one orientation;
FIG. 3 is a schematic view of another orientation of the triangular clamp of FIG. 1;
FIG. 4 is a schematic view of the structural attachment of the bottle holding strip of FIG. 1;
FIG. 5 is a schematic view of the structural connection of the bowl end fixture of FIG. 1;
FIG. 6 is a schematic view of the structural attachment of the inner groove of the bowl end fixture of FIG. 5;
fig. 7 is a schematic structural connection diagram of a fill slot of the bowl end fixture of fig. 5.
Detailed Description
The present invention will be further described with reference to specific examples, which are intended to be illustrative, not limiting and are not intended to limit the scope of the invention.
The raw materials used in the invention are conventional commercial products unless otherwise specified; the methods used in the present invention are conventional in the art unless otherwise specified.
The utility model provides a change insulator universal tool, as shown in fig. 1, the instrument includes bowl head end fixture 3, holds in the palm bottle area 4, atress chain fall 5 and set-square fixture 6, is equipped with a plurality of insulators 2 between two set-squares 1 admittedly, and a plurality of insulators can dismantle in proper order and be connected the setting, set-square fixture can dismantle with the set-square and be connected the setting, and this set-square fixture can also dismantle with the atress chain fall and be connected the setting, and this atress chain fall can also dismantle with bowl head end fixture, support the bottle area and can dismantle the setting, bowl head end fixture can block the insulator and release, it can the bearing set up in the insulator of its top to hold in the palm the bottle area, set-square fixture, atress chain fall, bowl head end fixture can cooperate the insulator that makes between two set-squares admit.
In this embodiment, as shown in fig. 2 and 3, the set-square fixture includes a fixture body 61, a circular hole 63, a U-shaped long hole 62 and a U-shaped insertion type clamping groove 64, the set-square fixture is disposed along a horizontal direction, the circular hole is formed at one horizontal side of the set-square fixture, the U-shaped long hole is formed at the other horizontal side of the set-square fixture, the U-shaped insertion type clamping groove is further formed in the fixture body, the U-shaped long hole and the U-shaped insertion type clamping groove are disposed corresponding to the construction hole 11 of the set-square and can be connected with the same bolt, and both the circular hole and the U-shaped long hole can be connected with the bolt.
In this embodiment, the material of set-square fixture is high strength aluminum alloy, weight reduction when increasing structural strength does benefit to and carries.
In this embodiment, as shown in fig. 4, the bottle supporting belts are one or more than two, and each bottle supporting belt includes a bottle supporting belt body 41 and hooks 42, and the hooks are disposed at two ends of the bottle supporting belt body.
In this embodiment, the hook of the bottle supporting belt can be hooked on the stressed inverted chain.
When the porcelain insulator is used, after the stressed inverted chain is fastened, the bottle supporting belt is arranged in the middle of the stressed inverted chain, two ends of the bottle supporting belt are fixed on the stressed inverted chain, and the insulator bowl head is supported in the middle of the bottle supporting belt, so that the porcelain insulator is prevented from falling off.
In this embodiment, as shown in fig. 5 to 7, the bowl head end clamp includes a bowl head end clamp body 32, a locking bolt 31, an inner groove 33, a U-shaped hanging ring 34, and a filling slot 35, the locking bolt, the inner groove, and the U-shaped hanging ring are all disposed on the bowl head end clamp body, the shape of the filling slot is matched with the shape of the inner groove, the filling slot can be embedded in the inner groove, and the number of the filling slots is set to be one or more than two. When the number of the filling clamping grooves is more than two, the inner diameters of the filling clamping grooves are different;
the U-shaped hanging ring can be detachably connected with the stressed chain block.
In this embodiment, the material of bowl head end fixture is high strength aluminum alloy, weight reduction when increasing structural strength does benefit to and carries.
In this embodiment, be equipped with U type bolt 51 on the atress chain block, this U type bolt can be connected the setting with the round hole of set-square fixture, U type slot hole, set-square construction hole, the atress chain block can be connected the setting through U type bolt, nut, round hole, U type slot hole and set-square fixture, and this atress chain block can be connected the setting through the construction hole of U type bolt, nut, U type slot hole, U type bayonet draw-in groove, set-square with the set-square.
In this embodiment, the material of atress chain block is high strength aluminum alloy, weight reduction when increasing structural strength does benefit to and carries.
Preferably, the U-shaped bolt is an 8.8-level high-strength U-shaped bolt, so that the weight is reduced, and meanwhile, the U-shaped bolt is convenient to connect with the clamps at two ends.
The universal tool for replacing the insulator is mainly applied to the operation of replacing the insulator of the power transmission line.
The invention discloses a using method of a universal tool for replacing an insulator, which comprises the following steps:
after the overhead working personnel reach the end part of a tower cross arm, a universal tool is transferred to the tower by using a transfer rope;
secondly, opening a semi-closed structure of the bowl head end clamp, namely unscrewing a locking bolt, penetrating a gap between the insulators, then sleeving the gap on a ball head of the insulators, observing the gap between an inner groove of the bowl head end clamp and the ball head, inserting a filled inner groove into the inner groove of the bowl head end clamp until the ball head can be clamped by the inner groove, and finally screwing the bolt to lock the semi-closed structure, namely the inner groove;
thirdly, clamping the U-shaped inserting type clamping groove of the triangular plate clamping device into the triangular plate, and inserting and fixing the U-shaped bolt at one end of the inner stressed chain block after the U-shaped long hole of the clamping device is overlapped with the construction hole of the triangular plate;
inserting a U-shaped bolt at the other end of the inner side chain block into a bowl head end clamp at the ball end for fixing;
fifthly, fixing the outer side chain blocks with the triangular plate fixture and the bowl head end fixture at the ball head end respectively;
sixthly, adjusting the position of a U-shaped plug-in card slot of the triangular plate fixture to enable a proper distance to be kept between the stressed chain hoist and the insulator string;
simultaneously fastening stressed inverted chains on the inner side and the outer side, stopping fastening the inverted chains when the insulators are loosened to be detachable, and selectively installing bottle supporting belts on two sides and other positions of the porcelain insulator to be replaced;
the installation quantity of the bottle supporting belts can be selected at will according to the length of the insulator string, and finally the porcelain bottle is not dropped;
after the inner and outer stressed chain reversals are simultaneously and properly fastened, the porcelain bottle to be replaced is replaced;
after the chain block is loosened, the operation is completed after the tool is dismantled.
Although the embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore the scope of the invention is not limited to the embodiments disclosed.

Claims (9)

1. The utility model provides a change insulator universal tool which characterized in that: the tool comprises a bowl head end clamp, a bottle supporting belt, a stress inverted chain and a triangular plate clamp, wherein a plurality of insulators are fixedly arranged between two triangular plates, the insulators are sequentially detachably connected and arranged, the triangular plate clamp can be detachably connected with the triangular plates, the triangular plate clamp can also be detachably connected with the stress inverted chain, the stress inverted chain can also be detachably connected with the bowl head end clamp and the bottle supporting belt, the bowl head end clamp can clamp and release the insulators, the bottle supporting belt can support the insulators arranged above the bottle supporting belt, and the triangular plate clamp, the stress inverted chain and the bowl head end clamp can be matched to loosen the insulators fixedly arranged between the two triangular plates;
the bowl head end clamp comprises a bowl head end clamp body, a locking bolt, an inner groove, a U-shaped hanging ring and a filling clamping groove, wherein the locking bolt, the inner groove and the U-shaped hanging ring are all arranged on the bowl head end clamp body; when the number of the filling clamping grooves is more than two, the inner diameters of the filling clamping grooves are different;
the U-shaped hanging ring can be detachably connected with the stressed chain block.
2. The universal tool for replacing insulators of claim 1, wherein: the triangular plate fixture comprises a fixture body, a round hole, a U-shaped long hole and a U-shaped inserting type clamping groove, the triangular plate fixture is arranged along the horizontal direction, the round hole is formed in one side of the horizontal direction of the triangular plate fixture, the U-shaped long hole is formed in the other side of the horizontal direction of the triangular plate fixture, the U-shaped inserting type clamping groove is further formed in the fixture body, the U-shaped long hole and the U-shaped inserting type clamping groove are correspondingly arranged with the construction holes of the triangular plate, the U-shaped long hole and the U-shaped inserting type clamping groove can be connected with the same bolt, and the round hole and the U-shaped long hole can be connected with the bolt.
3. The universal tool for replacing insulators of claim 1, wherein: the bowl-end clamp, the stressed chain block and the set square clamp are all made of high-strength aluminum alloy.
4. The universal tool for replacing insulators of claim 1, wherein: the bottle supporting belt is arranged to be one or more than two, and comprises a bottle supporting belt body and hooks, wherein the hooks are arranged at two ends of the bottle supporting belt body.
5. The universal tool for replacing insulators of claim 4, wherein: the hook of the bottle supporting belt can be hooked on the stressed inverted chain.
6. The universal tool for replacing insulators according to any one of claims 1 to 5, wherein: the stress chain block is provided with a U-shaped bolt, the nut matched with the U-shaped bolt is installed on the U-shaped bolt in a threaded engagement mode, the U-shaped bolt can be connected with the round hole of the triangular plate fixture, the U-shaped long hole and the construction hole of the triangular plate, the stress chain block can be connected with the triangular plate fixture through the U-shaped bolt, the nut, the round hole and the U-shaped long hole, and the stress chain block can be connected with the triangular plate through the U-shaped bolt, the nut, the U-shaped long hole, the U-shaped plug-in clamping groove and the construction hole of the triangular plate.
7. The universal tool for replacing insulators of claim 6, wherein: the U-shaped bolt of the stressed chain block is an 8.8-level high-strength U-shaped bolt.
8. Use of the universal tool for replacing insulators according to any one of claims 1 to 7 in the operation of replacing insulators on a power transmission line.
9. The use method of the universal tool for replacing insulators, which is described in any one of claims 1 to 7, is characterized in that: the method comprises the following steps:
Figure DEST_PATH_IMAGE002
after the overhead working personnel reach the end part of the cross arm of the tower, the universal tool is transferred to the tower by using the transfer rope;
Figure DEST_PATH_IMAGE004
the bowl-end fixture penetrates through a gap between the insulators and then is sleeved on a ball head of the insulator, the gap between an inner groove of the bowl-end fixture and the ball head is observed, the filled inner groove is inserted into the inner groove of the bowl-end fixture until the ball head can be clamped by the inner groove, and finally, a bolt is screwed down to lock the inner groove;
Figure DEST_PATH_IMAGE006
insert the U-shape of the set square clampThe inserted type clamping groove is clamped into the triangular plate, and the U-shaped long hole of the clamping device is overlapped with the construction hole of the triangular plate, and then the U-shaped bolt at one end of the inner side stressed chain block is inserted and fixed;
Figure DEST_PATH_IMAGE008
inserting the U-shaped bolt at the other end of the inner side chain block into the bowl head end clamp at the ball head end for fixing;
Figure DEST_PATH_IMAGE010
respectively fixing the outer side chain block with the triangular plate clamp and the bowl head end clamp at the ball head end;
Figure DEST_PATH_IMAGE012
adjusting the position of a U-shaped plug-in clamping groove of the triangular plate clamping apparatus to keep a proper distance between the stressed chain block and the insulator string;
Figure DEST_PATH_IMAGE014
simultaneously fastening inner and outer stressed chain blocks to stop fastening the chain blocks when the insulator is loosened to be capable of being detached, and selectively installing bottle supporting belts at two sides and other positions of a porcelain bottle of the replaced insulator;
Figure DEST_PATH_IMAGE016
the installation quantity of the bottle supporting belts can be selected at will according to the length of the insulator string, and finally the porcelain bottle is not dropped;
Figure DEST_PATH_IMAGE018
after the inner and outer stressed chain blocks are properly fastened at the same time, the porcelain bottle to be replaced is replaced;
Figure DEST_PATH_IMAGE020
and after the chain block is loosened, the operation is finished after the tool is dismantled.
CN202010721912.3A 2020-07-24 2020-07-24 Universal tool for replacing insulator Active CN111864626B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN202010721912.3A CN111864626B (en) 2020-07-24 2020-07-24 Universal tool for replacing insulator

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CN111864626B true CN111864626B (en) 2021-08-10

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Publication number Priority date Publication date Assignee Title
IT1226414B (en) * 1988-08-26 1991-01-15 Luigi Paris EQUIPMENT FOR CARRYING OUT MAINTENANCE OPERATIONS, IN PARTICULAR WASHING, OF HIGH VOLTAGE ELECTRIC LINE INSULATOR CHAINS.
CN201518396U (en) * 2009-06-16 2010-06-30 福建省福州电业局 Tool for replacing strain insulator string in 220 KV circuit with charged line
CN201985467U (en) * 2010-12-29 2011-09-21 中国南方电网有限责任公司超高压输电公司曲靖局 Fixture for replacing end strain insulator string on 800kV line
CN203456797U (en) * 2013-08-15 2014-02-26 国网浙江省电力公司杭州供电公司 Broadsword fixture for replacing entire string of insulator of duplex insulator string during power failure
CN205178384U (en) * 2015-11-23 2016-04-20 广西电网有限责任公司百色供电局 Closed fixture that opening is adjustable
CN205610092U (en) * 2016-05-20 2016-09-28 国网山东省电力公司阳谷县供电公司 Novel electric power based on rapid disassembly structure overhauls with dragging bottleholder
CN206163998U (en) * 2016-11-24 2017-05-10 国网湖南省电力公司带电作业中心 It does not have a power failure operation with fixture of changing dead end insulator to join in marriage net
CN207218119U (en) * 2017-08-21 2018-04-10 中国南方电网有限责任公司超高压输电公司百色局 General V type insulator replacement tool

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