CN115241814B - Quick rush-repair wire clamp for broken wire of power transmission and distribution line - Google Patents
Quick rush-repair wire clamp for broken wire of power transmission and distribution line Download PDFInfo
- Publication number
- CN115241814B CN115241814B CN202211004900.4A CN202211004900A CN115241814B CN 115241814 B CN115241814 B CN 115241814B CN 202211004900 A CN202211004900 A CN 202211004900A CN 115241814 B CN115241814 B CN 115241814B
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- groove
- fixed block
- power transmission
- wire
- block
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]
Abstract
The application discloses a quick rush-repair wire clamp for power transmission and distribution line disconnection, which comprises at least one length adjusting component and two connecting components; the connecting assembly comprises a connecting block and a fixed block used for connecting the connecting block with a wire, and two sides of the length adjusting assembly are respectively connected with the two connecting blocks. The application is beneficial to solving the problems of large rush repair workload, long time and influence on the power supply service quality of the traditional power transmission and distribution line.
Description
Technical Field
The application relates to the technical field of power transmission and distribution line disconnection, in particular to a power transmission and distribution line disconnection quick repair wire clamp.
Background
The power transmission and distribution line comprises a power transmission line and a distribution line, wherein the power transmission line is realized by boosting the electric energy generated by the generator by using a transformer and then connecting the electric energy into the power transmission line through a control device such as a circuit breaker, the distribution line is a line for transmitting the electric power from a step-down transformer substation to a distribution transformer or transmitting the electric power of the distribution transformer substation to a power utilization unit, and the power transmission line and the distribution line are important components for guaranteeing the effective use of the electric power.
In the long-term use process of the power transmission and distribution line, because the power transmission and distribution line has long running time, the overhead gravity of the line wire and the thermal expansion and contraction environment influence, so that the wire is prolonged, the sag is increased, the ground distance is reduced, the past vehicle is easily pulled or the tree barrier falls down on the line, and the power transmission wire is broken or damaged; moreover, due to the fact that the line is subjected to natural conditions such as strong wind, lightning strike and icing, the line leads are broken or broken, so that the power of the line is cut off, and the power supply service quality is affected; the traditional rush-repair method is to detach the originally broken wire from the linear pole close to the tension to the ground, add the wire to be bound or crimped, and also to be bound or crimped in the adjacent span, because the rule of the power line requires that two joints cannot be arranged in one span, the tension tower also needs to manufacture the tension hanging point again, thus the rush-repair workload is large, the time is long, and the power supply service quality is affected.
Disclosure of Invention
The application aims to solve the technical problem of providing a power transmission and distribution line broken wire quick rush-repair wire clamp capable of quickly rush-repairing broken wires in a power transmission and distribution line.
In order to solve the technical problems, the application adopts the following technical scheme: a power transmission and distribution line broken line quick repair wire clamp comprises at least one length adjusting component and two connecting components; the connecting assembly comprises a connecting block and a fixed block used for connecting the connecting block with a wire, and two sides of the length adjusting assembly are respectively connected with the two connecting blocks.
Further, a through groove with an isosceles trapezoid cross section is formed in the connecting block, and the cross section of the fixing block is also in an isosceles trapezoid structure and can be inserted into the through groove;
under the connecting block connected state, the large opening end of logical groove is towards wire fracture direction, the fixed block is located logical inslot, the wire is the U type form by the centre gripping be in the lateral wall of fixed block and between the cell wall of logical groove.
Further, grooves for increasing the contact area with the wires are formed in the groove walls on the two sides of the through groove and the side walls of the fixed block.
Further, the corner position of one side of the corresponding long bottom edge of the fixed block is in a round corner structure, the radius length of the round corner is far smaller than the length of the long bottom edge of the fixed block, and the groove on the fixed block is formed along the outer edge of the fixed block.
Further, each of the connection assemblies further includes a fastener for preventing the fixing block from being separated from the large opening end of the through groove.
Further, the fastener comprises a baffle base and a convex auxiliary part, wherein in a fixed state of the fastener, the baffle base is positioned at the outer side of the small opening end of the through groove, the convex auxiliary part extends into the small opening end of the through groove, and the baffle base and the convex auxiliary part are connected with the fixed block through bolts.
Further, the length adjusting assembly comprises a screw rod and two nut groups which are in threaded connection with the screw rod, two ends of the screw rod are respectively penetrated through the two connecting blocks, the two nut groups are in one-to-one correspondence with the two connecting blocks, each nut group is composed of two nuts, and the two nuts are respectively located on two sides of the corresponding connecting blocks.
Further, each of the connection assemblies further comprises at least two flexible aluminum sheets for satisfying the current carrying capacity of the line.
Further, the device also comprises an insulating sheath for insulating and protecting the length adjusting assembly and the two connecting assemblies.
Further, the insulating sheath comprises a shell and a sealing cover, the two sides of the shell are respectively provided with a yielding groove for a wire to pass through, the opening edge of the shell is provided with a plurality of protrusions, the opening edge of the sealing cover is provided with a plurality of fixing holes matched with the protrusions, and the protrusions are in one-to-one corresponding clamping connection with the fixing holes.
The beneficial effects of the application are as follows:
the quick repair wire clamp for broken wires of the power transmission and distribution lines is provided with at least one length adjusting component and two connecting components, wherein the connecting components comprise connecting blocks and fixing blocks, when the broken wires of the power transmission lines are repaired, broken wires are removed from a linear electric pole close to a tension pole tower and placed on the ground, the lengths of the broken wires are measured, the broken wires are removed, the broken wires at two ends are respectively connected through the connecting blocks of the two connecting components and the fixing blocks, then the distance between the two connecting components is adjusted through the length adjusting components, the whole length of the wires after the repair is adjusted to the length of the wires before the broken wires, the repair work of the broken wires can be completed only by re-hanging the wires on the tension pole tower, and the tension hanging points of the tension pole tower do not need to be manufactured again, so that the repair work amount is minimum, the repair time is short, the labor intensity is minimum, and the power supply service quality is influenced.
Drawings
FIG. 1 is a top cross-sectional view of a portion of the structure of a broken line quick repair clamp for a power transmission and distribution line of the present application;
fig. 2 is a front view of a structure of a broken line quick repair wire clamp for a power transmission and distribution line of the application;
FIG. 3 is a top view of the connection structure of the length adjustment assembly and the connection assembly of the present application;
FIG. 4 is a top view of the wire bond configuration of the present application;
FIG. 5 is a side view of the structure of the connection assembly of the present application;
fig. 6 is a schematic view of the structure of the fixing block of the present application.
The components in the drawings are marked as follows: 1. a length adjustment assembly; 101. a screw rod; 102. a nut group; 1021. a nut; 2. a connection assembly; 201. a connecting block; 2011. a through groove; 202. a fixed block; 2021. a groove; 203. a fastener; 2031. a baffle base; 2032. a convex auxiliary portion; 204. a soft aluminum sheet; 3. an insulating sheath; 301. a housing; 3011. a relief groove; 3012. a protrusion; 302. a cover; 3021. and a fixing hole.
Detailed Description
The following description of the embodiments of the present application will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the application. Embodiments of the application and features of the embodiments may be combined with each other without conflict. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
It should be noted that, in the embodiment of the present application, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.
In addition, if there is a description of "first", "second", etc. in the embodiments of the present application, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout the text includes three parallel schemes, taking "power transmission and distribution line and/or B" as an example, including a power transmission and distribution line scheme, or a B scheme, or a scheme in which power transmission and distribution lines and B meet simultaneously. In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present application.
See fig. 1-6.
The application relates to a quick repair wire clamp for broken lines of power transmission and distribution lines, which comprises at least one length adjusting component 1 and two connecting components 2; the connection assembly 2 comprises a connection block 201 and a fixing block 202 for connecting the connection block 201 with a wire, and two sides of the length adjustment assembly 1 are respectively connected with the two connection blocks 201.
The quick repair wire clamp for broken wires of the power transmission and distribution lines is provided with at least one length adjusting component 1 and two connecting components 2, wherein the connecting components 2 comprise a connecting block 201 and a fixed block 202, when the broken wires of the power transmission lines are repaired, broken wires are removed from a linear electric pole close to a tension pole tower and put on the ground, the lengths of the broken wires are measured, the broken wires are removed, the broken wires at two ends are respectively connected through the connecting blocks 201 and the fixed blocks 202 of the two connecting components 2, then the distance between the two connecting components 2 is adjusted through the length adjusting component 1, the whole length of the wires after repair is adjusted to the length of the wires before the original break, and then the wires are hung on the tension pole tower again only to finish the repair work of the broken wires, so that the tension hanging points of the tension pole tower do not need to be manufactured again, the repair work amount is minimum, the repair time is short, the labor intensity is minimum, and the service quality is influenced;
in the application, the length adjusting component 1 and the connecting component 2 are made of conductive materials, and the specific materials are the same as the transmission and distribution line wires, for example, aluminum wires are made of aluminum materials, and copper wires are made of copper materials.
In an embodiment, a through groove 2011 with an isosceles trapezoid cross section is formed in the connecting block 201, and the cross section of the fixing block 202 is also in an isosceles trapezoid structure and can be inserted into the through groove 2011;
in the connection state of the connection block 201, the large opening end of the through groove 2011 faces the breaking direction of the wire, the fixing block 202 is located in the through groove 2011, and the wire is clamped between the side wall of the fixing block 202 and the groove wall of the through groove 2011 in a U shape. In this embodiment, the two connection assemblies 2 are symmetrically arranged, when the broken wires are connected, the broken ends of the wires pass through the small opening ends of the through slots 2011, then wind around the outside of the fixed block 202, then clamp the wires between the fixed block 202 and the side walls of the through slots 2011 by inserting the fixed block 202 into the through slots 2011, the broken ends of the wires can pass through the small opening ends of the through slots 2011 after winding around and are fixed with the wires again, and because the wires on the connection assemblies 2 on two sides have a certain pulling force, the pulling force of the wires makes the fixed block 202 move towards the small opening ends of the through slots 2011 due to the structural characteristics of the through slots 2011 and the fixed block 202, and meanwhile, the gap between the fixed block 202 and the through slots 2011 becomes smaller, so that the clamping effect of the wires is achieved.
In an embodiment, grooves 2021 for increasing the contact area with the wires are formed on the two side walls of the through groove 2011 and the side wall of the fixing block 202. In this embodiment, the longitudinal section of the groove 2021 is triangular, so that the contact area between the fixing block 202 and the through groove 2011 is enlarged by the groove 2021, so that the friction force is increased to prevent the wire from slipping when the wire is stressed, and meanwhile, the contact resistance is reduced, the damage to electric energy is reduced, and the electric energy is saved.
In an embodiment, the corner of the fixing block 202 on one side of the corresponding long bottom edge is in a rounded corner structure, the radius length of the rounded corner is much smaller than the length of the long bottom edge of the fixing block 202, and the groove 2021 on the fixing block 202 is opened along the outer edge of the fixing block 202. By the design, the grooves 2021 on the fixing blocks 202 are in two small round corner structures at the corners, so that the wires can be bent and attached to the grooves 2021 when wound, the fixing blocks 202 are ensured to be in close contact with the wires, friction is further increased, and the wires cannot slide and cannot be damaged.
In an embodiment, each of the connection assemblies 2 further includes a fastener 203 for preventing the fixing block 202 from being separated from the large opening end of the through slot 2011. Designed so that the fixing block 202 is fixed by the fastener 203 so that the fixing block 202 does not shake to be detached.
In an embodiment, the fastening member 203 includes a baffle base 2031 and a protruding auxiliary portion 2032, in the fastened state of the fastening member 203, the baffle base 2031 is located outside the small opening end of the through groove 2011, the protruding auxiliary portion 2032 protrudes into the small opening end of the through groove 2011, and the baffle base 2031 and the protruding auxiliary portion 2032 are connected to the fastening block 202 by bolts. By the design, after the fastener 203 is connected with the fixing block 202, the fastener is blocked outside the small opening end of the through groove 2011 through the baffle base 2031, namely, the fastener cannot enter the small opening end of the through groove 2011, the situation that the fixing block 202 is separated from the large opening end of the through groove 2011 is avoided, and the installation is simple and convenient.
In an embodiment, the length adjusting assembly 1 includes a screw rod 101 and two nut groups 102 screwed on the screw rod 101, two ends of the screw rod 101 are respectively threaded on two connecting blocks 201, the two nut groups 102 are in one-to-one correspondence with the two connecting blocks 201, each nut group 102 is composed of two nuts 1021, and the two nuts 1021 are respectively located on two sides of the corresponding connecting block 201. By means of the design, when the length adjusting assembly 1 needs to be adjusted, only nuts on two sides of one connecting block 201 need to be adjusted, adjustment operation is convenient, and in the embodiment, a spring gasket is further arranged between each nut 1021 and the connecting block 201, so that the nuts are prevented from loosening.
In one embodiment, each of the connection assemblies 2 further comprises at least two flexible aluminum sheets 204 for satisfying the current carrying capacity of the line. By such design, the situation that the current carrying capacity of the circuit cannot be met through the connecting component 2 and the length adjusting component 1 is avoided, so that the current transmission is unstable, in the embodiment, the aluminum flakes 204 are symmetrically connected to the upper side and the lower side of the two connecting components 2, and the aluminum flakes 204 are specifically arranged according to different wires, for example, three aluminum flakes 204 are used for each side of the 240 square millimeter wire.
In an embodiment, the insulation sheath 3 is further included for insulation protection of the length adjustment assembly 1 and the two connection assemblies 2. By the design, the length adjusting component 1 and the two connecting components 2 can be protected by additionally arranging the insulating sheath 3, so that the safe operation of a power transmission and distribution line is ensured, and the electric shock at a broken line part can be prevented.
In an embodiment, the insulating sheath 3 includes a housing 301 and a cover 302, two sides of the housing 301 are respectively provided with a relief groove 3011 through which a wire passes, an opening edge of the housing 301 is provided with a plurality of protrusions 3012, an opening edge of the cover 302 is provided with a plurality of fixing holes 3021 matching with the plurality of protrusions 3012, and the plurality of protrusions 3012 are in one-to-one clamping connection with the plurality of fixing holes 3021. In this way, the insulating sheath 3 is convenient to detach and install, and in the embodiment, the giving way grooves 3011 are formed along the edges of the shell 301, and the giving way grooves 3011 are two, symmetrically distributed in the shell 301, so that the wires are convenient to clamp, and the wires are located on the same horizontal line after being connected.
The specific use method of the application is as follows: firstly, a broken wire is removed from a linear electric pole close to tension and placed on the ground, the length of an original broken wire is measured, the damaged wire is removed, the length of the damaged wire is 300-500 mm, two connecting assemblies 2 are respectively connected with two broken wires, the total length after connection is larger than the length of the original wire, the sag of connection is prevented, the stress of the electric pole is large, the fine length is adjusted through a length adjusting assembly 1, the length of the fine length is adjusted to the original length, then an insulating sheath 3 is sleeved on the outer side, and finally a tension-resisting wire clamp of a tension-resisting pole tower is hung again, so that broken wire repair work can be completed. According to different field conditions, a longitudinal mode or a transverse mode can be selected; when the wires are connected, the wires are respectively penetrated from the small opening ends in the two through grooves 2011, the wires are bent in opposite directions by a certain length according to the shape of the fixing block 202, the outer edge of the rear edge fixing block 202 is wound, and then the fixing block 202 and the wires are placed in the through grooves 2011 and then fixed by the fasteners 203.
It should be understood that the examples and embodiments described herein are for illustrative purposes only and are not intended to limit the present application, and that various modifications or changes in light thereof will be suggested to persons skilled in the art and are to be included within the spirit and purview of this application.
Claims (5)
1. The quick repair wire clamp for the broken wire of the power transmission and distribution line is characterized by comprising at least one length adjusting component (1) and two connecting components (2); the connecting assembly (2) comprises a connecting block (201) and a fixed block (202) for connecting the connecting block (201) with a wire, and two sides of the length adjusting assembly (1) are respectively connected with the two connecting blocks (201);
a through groove (2011) with an isosceles trapezoid cross section is formed in the connecting block (201), and the cross section of the fixed block (202) is also in an isosceles trapezoid structure and can be inserted into the through groove (2011);
in the connection state of the connection block (201), the large opening end of the through groove (2011) faces the broken end of the lead, the fixed block (202) is positioned in the through groove (2011), and the lead is clamped between the side wall of the fixed block (202) and the groove wall of the through groove (2011) in a U shape;
grooves (2021) for increasing the contact area with the wires are formed in the groove walls on the two sides of the through groove (2011) and the side walls of the fixed block (202);
the corner position of one side of the corresponding long bottom edge of the fixed block (202) is in a round corner structure, the radius length of the round corner is far smaller than the length of the long bottom edge of the fixed block (202), and the groove (2021) on the fixed block (202) is formed along the outer edge of the fixed block (202);
each of the connection assemblies (2) further comprises a fastener (203) for preventing the fixing block (202) from being detached from the large opening end of the through slot (2011);
the fastener (203) comprises a baffle base (2031) and a convex auxiliary part (2032), the baffle base (2031) is located on the outer side of the small opening end of the through groove (2011) in a fixed state of the fastener (203), the convex auxiliary part (2032) stretches into the small opening end of the through groove (2011), and the baffle base (2031) and the convex auxiliary part (2032) are connected with the fixed block (202) through bolts.
2. The quick emergency repair wire clamp for power transmission and distribution line disconnection according to claim 1, wherein the length adjusting assembly (1) comprises a screw rod (101) and two nut groups (102) which are in threaded connection with the screw rod (101), two ends of the screw rod (101) are respectively penetrated on two connecting blocks (201), the two nut groups (102) are in one-to-one correspondence with the two connecting blocks (201), each nut group (102) is composed of two nuts (1021), and the two nuts (1021) are respectively located on two sides of the corresponding connecting blocks (201).
3. The quick emergency repair line clamp for power transmission and distribution lines according to claim 1, characterized in that each of said connection assemblies (2) further comprises at least two flexible aluminium sheets (204) for satisfying the current-carrying capacity of the line.
4. The quick emergency repair wire clamp for power transmission and distribution line disconnection according to claim 1, characterized by further comprising an insulating sheath (3) for insulating and protecting the length adjusting assembly (1) and the two connecting assemblies (2).
5. The quick emergency repair wire clamp for power transmission and distribution line disconnection according to claim 4, wherein the insulating sheath (3) comprises a shell (301) and a sealing cover (302), the two sides of the shell (301) are respectively provided with a yielding groove (3011) for a wire to pass through, the opening edge of the shell (301) is provided with a plurality of protrusions (3012), the opening edge of the sealing cover (302) is provided with a plurality of fixing holes (3021) matched with the protrusions (3012), and the protrusions (3012) are in one-to-one corresponding clamping connection with the fixing holes (3021).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211004900.4A CN115241814B (en) | 2022-08-22 | 2022-08-22 | Quick rush-repair wire clamp for broken wire of power transmission and distribution line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211004900.4A CN115241814B (en) | 2022-08-22 | 2022-08-22 | Quick rush-repair wire clamp for broken wire of power transmission and distribution line |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115241814A CN115241814A (en) | 2022-10-25 |
| CN115241814B true CN115241814B (en) | 2023-09-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211004900.4A Active CN115241814B (en) | 2022-08-22 | 2022-08-22 | Quick rush-repair wire clamp for broken wire of power transmission and distribution line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115241814B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2258988C1 (en) * | 2004-01-12 | 2005-08-20 | ОАО "Инженерный Центр ЕЭС" | Connecting clamp |
| CN203406577U (en) * | 2013-07-02 | 2014-01-22 | 浙江中安电气有限公司 | Wedge-shaped strain clamp |
| CN207150118U (en) * | 2017-09-26 | 2018-03-27 | 永固集团股份有限公司 | A kind of wedge type clamp |
| WO2020171743A1 (en) * | 2019-02-20 | 2020-08-27 | Общество С Ограниченной Ответственностью "Лаборатория Будущего" (Ооо "Лаборатория Будущего") | Clamp for repairing overhead transmission line conductors and method for the installation thereof |
| CN112413054A (en) * | 2020-11-25 | 2021-02-26 | 国网江苏省电力有限公司泰州供电分公司 | Temporary cable traction and tensioning device |
| CN114156877A (en) * | 2021-12-03 | 2022-03-08 | 广东电网有限责任公司 | Wire bridging device |
| CN216530449U (en) * | 2021-11-27 | 2022-05-13 | 云南隆源线路器材有限公司 | Heat-resisting strain clamp for power transmission line |
-
2022
- 2022-08-22 CN CN202211004900.4A patent/CN115241814B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2258988C1 (en) * | 2004-01-12 | 2005-08-20 | ОАО "Инженерный Центр ЕЭС" | Connecting clamp |
| CN203406577U (en) * | 2013-07-02 | 2014-01-22 | 浙江中安电气有限公司 | Wedge-shaped strain clamp |
| CN207150118U (en) * | 2017-09-26 | 2018-03-27 | 永固集团股份有限公司 | A kind of wedge type clamp |
| WO2020171743A1 (en) * | 2019-02-20 | 2020-08-27 | Общество С Ограниченной Ответственностью "Лаборатория Будущего" (Ооо "Лаборатория Будущего") | Clamp for repairing overhead transmission line conductors and method for the installation thereof |
| CN112413054A (en) * | 2020-11-25 | 2021-02-26 | 国网江苏省电力有限公司泰州供电分公司 | Temporary cable traction and tensioning device |
| CN216530449U (en) * | 2021-11-27 | 2022-05-13 | 云南隆源线路器材有限公司 | Heat-resisting strain clamp for power transmission line |
| CN114156877A (en) * | 2021-12-03 | 2022-03-08 | 广东电网有限责任公司 | Wire bridging device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115241814A (en) | 2022-10-25 |
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