CN112670897A - Drainage device - Google Patents
Drainage device Download PDFInfo
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- CN112670897A CN112670897A CN202011616469.XA CN202011616469A CN112670897A CN 112670897 A CN112670897 A CN 112670897A CN 202011616469 A CN202011616469 A CN 202011616469A CN 112670897 A CN112670897 A CN 112670897A
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- drainage
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Abstract
The invention provides a drainage device, which is used for draining a main guide wire on an electric pole, and comprises: the fixing component is used for being connected with the top of the electric pole; the bracket main body is connected with the fixing part, and a lead pipeline is arranged on the bracket main body; the drainage wire penetrates through the lead pipeline, both ends of the drainage wire are provided with wire clamps for connecting with the main lead, and the wire clamps penetrate out of both ends of the lead pipeline so as to electrically connect or disconnect the drainage wire and the main lead by operating the wire clamps; wherein, the bracket main body and the lead pipeline are both made of insulating materials. The drainage device solves the problem that the workload of replacing the circuit breaker on the column with load in the prior art is large.
Description
Technical Field
The invention relates to the field of cable operation, in particular to a drainage device.
Background
In a 10kV distribution network live-line work project, the on-pole circuit breaker is replaced under the condition of load, namely the on-pole circuit breaker is replaced under the condition that the power consumption of a user behind a work point is not influenced. Although the operation of replacing the pole-mounted circuit breaker can be smoothly completed by the insulating glove operation method, the distance between a human body and a charged body and a grounding body which are possibly touched is too short by adopting the method, the workload of assembling and disassembling the insulating shield is large, the operation flow is complex, the labor intensity of personnel is high, the time is long, and a great safety risk exists in the operation process. If the work of changing the circuit breaker on the post with load is accomplished to the insulator spindle operation method, will greatly reduce operation personnel work load, simplify the operation flow, also have important meaning to the operation of not cutting off the power supply of comprehensive promotion.
Disclosure of Invention
The invention mainly aims to provide a drainage device to solve the problem that the workload of replacing a circuit breaker on a column with load is large in the prior art.
In order to achieve the above object, the present invention provides a drainage device for draining a main conductor on an electric pole, the drainage device comprising: the fixing component is used for being connected with the top of the electric pole; the bracket main body is connected with the fixing part, and a lead pipeline is arranged on the bracket main body; the drainage wire penetrates through the lead pipeline, both ends of the drainage wire are provided with wire clamps for connecting with the main lead, and the wire clamps penetrate out of both ends of the lead pipeline so as to electrically connect or disconnect the drainage wire and the main lead by operating the wire clamps; wherein, the bracket main body and the lead pipeline are both made of insulating materials.
Further, the support main body comprises a supporting portion and an installation portion, one end of the supporting portion is connected with the installation portion, the other end of the supporting portion is connected with the fixing component, and the lead pipeline is installed on the installation portion.
Further, the supporting part is cylindrical structure, and cylindrical structure's axis and the coincidence of the axis of pole, the focus of installation department is located the straight line at the axis place of pole.
Further, drainage device is still including placing the support, places the support and sets up on the installation department, places the support and sets up with supporting part looks interval.
Further, the drainage device further comprises: the locking assembly is arranged on the mounting part and is provided with a mounting groove; the fixed bolster, the fixed bolster is installed in the mounting groove, and the lead wire pipeline is installed on the fixed bolster.
Further, the locking subassembly includes the lockplate of two relative settings, and two lockplates set up respectively in the both sides of installation department, have all seted up the mounting groove on two lockplates, and the fixed bolster card is established in the mounting groove on two lockplates.
Further, drainage device still includes the stopping subassembly, and the stopping subassembly includes: the first supporting column and the second supporting column are arranged oppositely and are arranged on the mounting part; the installation part, the first support column, the second support column and the backstop rod enclose a limiting space, and the lead pipeline is installed in the limiting space; a through hole for the lead pipeline to be installed or removed is formed between the first supporting column and the second supporting column, one end of the backstop rod is movably connected with the first supporting column, and the other end of the backstop rod is movably connected with the second supporting column so as to open or close the through hole by adjusting the position of the backstop rod; the stopping rod is provided with a sliding state for the lead pipeline to enter the limiting space and a locking state for limiting the lead pipeline in the limiting space.
Furthermore, the number of the lead pipelines, the locking assemblies and the backstop assemblies is multiple, and each lead pipeline is installed on the installation part through one locking assembly; each lead pipeline is respectively arranged in the limiting space of one retaining assembly.
Furthermore, a lifting ring is arranged on the first support column or the second support column in a penetrating mode, so that the drainage device is lifted and pulled through the lifting ring.
Further, the drainage device further comprises a wire clamp hook used for hanging a wire clamp, and the wire clamp hook is arranged on the support main body.
By applying the technical scheme of the invention, the drainage device is used for conducting drainage on a main guide wire on an electric pole, and comprises: the fixing component is used for being connected with the top of the electric pole; the bracket main body is connected with the fixing part, and a lead pipeline is arranged on the bracket main body; the drainage wire penetrates through the lead pipeline, both ends of the drainage wire are provided with wire clamps for connecting with the main lead, and the wire clamps penetrate out of both ends of the lead pipeline so as to electrically connect or disconnect the drainage wire and the main lead by operating the wire clamps; the fixing part, the bracket main body and the lead pipeline are all made of insulating materials. By adopting the above arrangement, when an operator needs to replace the circuit breaker on the column with load, the drainage device is installed on the electric pole through the fixing part, the drainage wire is arranged in the lead pipeline on the support main body in a penetrating manner, the drainage wire is worn out from the two ends of the lead pipeline, the two ends of the drainage wire are provided with the wire clamps connected with the main guide wire, the wire clamps are connected to the main guide wires on the two sides of the electric pole, so that the current on the main guide wire is drained through the drainage device through the drainage wire, and the main guide wire sections on the inner sides of the two wire clamps are uncharged. Because the fixed part, the bracket main body and the lead pipeline are all made of insulating materials, at the moment, an operator only needs to take down or install the connecting line between the circuit breaker and the main guide line through a simple tool, so that a large amount of insulating operation is omitted, and the problem of large operation workload of replacing the circuit breaker on the column with load in the prior art is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic view of the operating state of a drainage device according to the invention;
FIG. 2 shows a schematic view of the construction of the drainage device of the present invention;
FIG. 3 shows a schematic structural view of a locking assembly of the drainage device of the present invention; and
fig. 4 shows a schematic view of the retaining assembly of the drainage device of the present invention.
Wherein the figures include the following reference numerals:
1. a fixing member; 11. placing a bracket; 2. a stent body; 21. a support portion; 22. an installation part; 3. a lead line; 4. a drainage wire; 41. wire clamps; 10. an electric pole; 20. a main conductor; 21. a support portion; 22. an installation part; 5. a locking assembly; 51. mounting grooves; 52. a locking plate; 6. fixing a bracket; 7. a backstop assembly; 71. a first support column; 72. a second support column; 73. a backstop rod; 74. a limiting space; 8. lifting the ring; 9. the fastener couple.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
Referring to fig. 1 to 3, the drainage device of the present embodiment is used for draining a main conductor 20 on an electric pole 10, and includes: the fixing part 1, the fixing part 1 is used for connecting with the top of the electric pole 10; the support body 2 is connected with the fixing part 1, and a lead pipeline 3 is arranged on the support body 2; the drainage wire 4 penetrates through the lead pipeline 3, both ends of the drainage wire 4 are provided with wire clamps 41 used for being connected with the main lead 20, and the wire clamps 41 penetrate out from both ends of the lead pipeline 3 so as to electrically connect or disconnect the drainage wire 4 and the main lead 20 by operating the wire clamps 41; wherein, the bracket main body 2 and the lead pipeline 3 are made of insulating materials. Adopt above-mentioned setting, when operating personnel need the load to change the circuit breaker on the post, install drainage device on pole 10 through fixed part 1, wear to establish drainage wire 4 in the lead wire pipeline 3 on the support main part 2, drainage wire 4 wears out from the both ends of lead wire pipeline 3, the both ends of drainage wire 4 all have the fastener 41 that is used for being connected with main wire 20, fastener 41 is connected to the main wire of pole 10 both sides on, thereby pass through drainage device through drainage wire 4 with the electric current on the main wire 20 and carry out the drainage, make two fastener 41 inboard main wire sections uncharged. Because support main part 2 and lead wire pipeline 3 are made by insulating material, at this moment, operating personnel only need through simple instrument with the circuit breaker with the line between the leading wire take off or install can to save a large amount of insulating operation, solved the problem that the load of taking among the prior art changes the operation work load of circuit breaker on the post big.
In the drainage device of the present embodiment, as shown in fig. 1 and 2, the holder main body 2 includes a support portion 21 and a mounting portion 22, one end of the support portion 21 is connected to the mounting portion 22, the other end of the support portion 21 is connected to the fixing member 1, and the lead line 3 is mounted on the mounting portion 22.
The holder main body 2 in this embodiment includes a support portion 21 and a mounting portion 22, and the mounting portion 22 is used to mount the lead line 3. One end of the supporting part 21 is connected with the mounting part 22, the other end of the supporting part 21 is connected with the fixing part 1, and the supporting part 21 is used for supporting the lead pipeline 3 at a proper height through the connection between the mounting part 22 and the fixing part 1, so that the position of the drainage operation of the drainage wire 4 is reached. The mounting portion 22 in this embodiment is a beam structure, and the lead line 3 is disposed perpendicular to the beam structure.
In order to make the installation of the drainage device and the electric pole 10 firm, referring to fig. 1 and 2, in the drainage device of the present embodiment, the supporting portion 21 is a cylindrical structure, the axis of the cylindrical structure coincides with the axis of the electric pole 10, and the center of gravity of the installation portion 22 is located on the straight line of the axis of the electric pole 10. By adopting the arrangement, the drainage device is more stably arranged on the electric pole 10, and the safety of live-wire operation is ensured.
In the drainage device of the present embodiment, as shown in fig. 2, the drainage device further includes a placing bracket 11, the placing bracket 11 is disposed on the mounting portion 22, and the placing bracket 11 and the supporting portion 21 are disposed at intervals. Thus, when the drainage device is not used, the drainage device can be placed by placing the bracket 11 and the supporting part 21, so that the reuse of the drainage device is ensured.
For the purpose of fixing the drainage wire 4, referring to fig. 2, in the drainage device of the present embodiment, the drainage device further includes: the locking assembly 5, the locking assembly 5 is installed on the mounting part 22, there is a mounting groove 51 on the locking assembly 5; and the fixed support 6 is arranged in the mounting groove 51, and the lead pipeline 3 is arranged on the fixed support 6. Thus, the fixing bracket 6 is firmly coupled to the locking member 5 through the mounting groove 51, and the circular lead line 3 can be more firmly mounted through the fixing bracket 6. In this embodiment, fixed bolster 6 is for having the pipeline mounting groove, and lead wire pipeline 3 is for setting up the inboard circular pipeline in pipeline mounting groove, so set up, has saved manufacturing cost.
In the drainage device of the present embodiment, as shown in fig. 3, the locking assembly 5 includes two locking plates 52 disposed opposite to each other, the two locking plates 52 are disposed on two sides of the mounting portion 22, the two locking plates 52 are both provided with mounting grooves 51, and the fixing bracket 6 is clamped in the mounting grooves 51 of the two locking plates 52. The arrangement is simple and easy to realize, and the production cost is saved. Specifically, the fixing bracket 6 may be welded in the mounting groove 51, thereby making the structure more firm.
Referring to fig. 4, in the drainage device of the present embodiment, the drainage device further includes a retaining assembly 7, and the retaining assembly 7 includes: the first supporting column 71, the second supporting column 72 and the retaining rod 73 are oppositely arranged, and the first supporting column 71 and the second supporting column 72 are arranged on the mounting part 22; the mounting part, the first support column 71, the second support column 72 and the backstop rod 73 enclose a limiting space 74, and the lead pipeline 3 is mounted in the limiting space 74; a through hole for loading or unloading the lead pipeline 3 is formed between the first supporting column 71 and the second supporting column 72, one end of the retaining rod 73 is movably connected with the first supporting column 71, and the other end of the retaining rod 73 is movably connected with the second supporting column 72, so that the through hole can be opened or closed by adjusting the position of the retaining rod 73; the retaining rod 73 has a sliding state in which the lead pipeline 3 enters the limiting space 74 and a locking state in which the lead pipeline 3 is limited in the limiting space 74.
Specifically, the first support column 71 has a stopping groove therein, a limiting block is installed in the stopping groove, the stopping rod 73 is inserted into the stopping groove, and when the lead pipeline 3 is installed in the limiting space 74, the stopping rod 73 can move toward the limiting space 74 so that the lead pipeline 3 enters the limiting space 74. When the lead line 3 moves from the limiting space 74 toward the retaining rod 73, the limiting block limits the movement of the retaining rod 73, so that the retaining rod 73 limits the lead line 3 in the limiting space 74.
In the drainage device of the present embodiment, as shown in fig. 2, a plurality of lead lines 3, locking assemblies 5, and retaining assemblies 7 are provided, and each lead line 3 is mounted on the mounting portion 22 through one locking assembly 5; each lead line 3 is disposed in the limiting space 74 of one of the retaining assemblies 7.
Specifically, in a 10kV distribution network live working project, three main wires 20 are installed on the electric pole 10. Correspondingly, the number of the lead pipelines 3, the number of the locking assemblies 5 and the number of the backstop assemblies 7 are three, and each lead pipeline 3 is installed on the installation part 22 through one locking assembly 5; each lead line 3 is disposed in the limiting space 74 of one of the retaining assemblies 7.
Referring to fig. 2, in the drainage device of the present embodiment, a lifting ring 8 is provided on the first support column 71 or the second support column 72, so that the drainage device is lifted by the lifting ring 8.
When drainage device is in the operation, thereby need hang drainage device to the completion installation on pole 10 top, for reaching above-mentioned purpose, wear to be equipped with lifting ring 8 on first support column 71 or the second support column 72 in the drainage device of this embodiment to carry out the lifting operation with drainage device through lifting ring 8.
In the drainage device of the present embodiment, as shown in fig. 1 and 2, the drainage device further includes a clip hook 9 for hanging the clip 41, and the clip hook 9 is provided on the holder main body 2. When the drainage device is not used, the wire clamp 41 is hung on the wire clamp hook 9, so that the wire clamp 41 is protected.
The drainage device of the embodiment has the following working process:
installation and fixed work of drainage wire 4: in the preparation work, a tripod (a placing support 11) for the drainage wire 4 is detached from the main body of the support body 2, and the hard insulating drainage wire (the drainage wire 4) is placed in a clamping groove in the upper part of the support body 2; after the operator finishes the line load current detection and the pole-mounted circuit breaker lead measurement, the lifting rope is put down by the operator of the insulating bucket arm vehicle, the ground electrician firmly fixes the lifting rope on a support hanging point (lifting ring 8), and the operator of the insulating bucket arm vehicle hoists the support main body 2. Insulating bucket boom car operating personnel aim at the pole 10 top with insulating support main part 2 lower extreme metal slot and buckle into to confirm that the installation is firm reliable. The insulated drain wire 4 is then removed from the support hanging point (wire clamp hook 9) and spliced into the main conductor 20 by two in-bucket electricians using a gun-style operating rod. In the process, electricians in the buckets sequentially hang and install the insulating drainage wires 4 according to the sequence of the far-side phase, the middle phase and the near-side phase, and when the insulating drainage wires 4 are installed, the electricians in the two buckets need to synchronously carry out the same phase; thus, the fixing and mounting work of the insulated drainage wire 4 by the insulating rod operation method is completed.
The work is demolishd to insulating drainage wire 4: after the pole-mounted circuit breaker is replaced, an electrician in the bucket can use the ejection gun type operating rod to take down the insulated drainage wire 4 from the main guide wire and buckle the insulated drainage wire into a bracket hanging point. Wherein, electricians in the buckets sequentially remove the insulated drainage wires 4 according to the sequence of the far-side phase, the middle phase and the near-side phase and simultaneously carry out the removal in the same phase; then, an operator of the insulating bucket arm vehicle fixes the lifting rope on a hanging point of the insulating support main body 2, an electrician in the bucket uses a small crane to hoist the support main body 2 to the ground, and the insulating drainage wire 4 and the support are slowly transferred to the ground under the cooperation of the electrician on the ground; thus, the work of removing the insulated drainage wire 4 by the insulating rod operation method is completed.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the drainage device of this embodiment is used for draining main traverse line 20 on pole 10, and the drainage device includes: the fixing part 1, the fixing part 1 is used for connecting with the top of the electric pole 10; the support body 2 is connected with the fixing part 1, and a lead pipeline 3 is arranged on the support body 2; the drainage wire 4 penetrates through the lead pipeline 3, both ends of the drainage wire 4 are provided with wire clamps 41 used for being connected with the main lead 20, and the wire clamps 41 penetrate out from both ends of the lead pipeline 3 so as to electrically connect or disconnect the drainage wire 4 and the main lead 20 by operating the wire clamps 41; the fixing part 1, the bracket body 2 and the lead pipeline 3 are all made of insulating materials. Adopt above-mentioned setting, when operating personnel need the load to change the circuit breaker on the post, install drainage device on pole 10 through fixed part 1, wear to establish drainage wire 4 in the lead wire pipeline 3 on the support main part 2, drainage wire 4 wears out from the both ends of lead wire pipeline 3, the both ends of drainage wire 4 all have the fastener 41 that is used for being connected with main wire 20, fastener 41 is connected to the main wire of pole 10 both sides on, thereby pass through drainage device through drainage wire 4 with the electric current on the main wire 20 and carry out the drainage, make two fastener 41 inboard main wire sections uncharged. Because fixed part 1, support main part 2 and lead wire pipeline 3 are made by insulating material, at this moment, operating personnel only need through simple instrument with the circuit breaker with the line between the main traverse line take off or install can to save a large amount of insulation operation, solved the problem that the load of taking among the prior art changes the operation work load of circuit breaker on the post big.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A drainage device for draining a main conductor (20) on an electric pole (10), characterized in that it comprises:
the fixing part (1), the fixing part (1) is used for connecting with the top of the electric pole (10);
the bracket main body (2), the bracket main body (2) is connected with the fixed part (1), and a lead pipeline (3) is installed on the bracket main body (2);
the drainage wire (4) penetrates through the lead pipeline (3), both ends of the drainage wire (4) are provided with wire clamps (41) used for being connected with the main lead (20), and the wire clamps (41) penetrate out from both ends of the lead pipeline (3) so as to enable the drainage wire (4) to be electrically connected with or disconnected from the main lead (20) by operating the wire clamps (41);
wherein the bracket main body (2) and the lead pipeline (3) are both made of insulating materials.
2. The drainage device according to claim 1, characterized in that the stent body (2) comprises a support portion (21) and a mounting portion (22), one end of the support portion (21) is connected with the mounting portion (22), the other end of the support portion (21) is connected with the fixed part (1), and the lead line (3) is mounted on the mounting portion (22).
3. The drainage device according to claim 2, characterized in that the support (21) is a cylindrical structure, the axis of which coincides with the axis of the pole (10), the centre of gravity of the mounting (22) being located on the line of the axis of the pole (10).
4. The drainage device according to claim 2, characterized in that the drainage device further comprises a placing bracket (11), the placing bracket (11) being arranged on the mounting portion (22), the placing bracket (11) being arranged spaced apart from the support portion (21).
5. The drainage device of claim 2, further comprising:
the locking assembly (5), the locking assembly (5) is installed on the installation part (22), and an installation groove (51) is formed in the locking assembly (5);
the fixing support (6), the fixing support (6) install in mounting groove (51), lead wire pipeline (3) are installed on fixing support (6).
6. The drainage device according to claim 5, characterized in that the locking assembly (5) comprises two oppositely arranged locking plates (52), the two locking plates (52) are respectively arranged at two sides of the mounting part (22), mounting grooves (51) are respectively formed in the two locking plates (52), and the fixing bracket (6) is clamped in the mounting grooves (51) formed in the two locking plates (52).
7. The drainage device according to claim 6, characterized in that it further comprises a backstop assembly (7), said backstop assembly (7) comprising:
the first supporting column (71) and the second supporting column (72) are oppositely arranged, and the first supporting column (71) and the second supporting column (72) are arranged on the mounting part (22);
the mounting part (22), the first supporting column (71), the second supporting column (72) and the retaining rod (73) enclose a limiting space (74), and the lead pipeline (3) is mounted in the limiting space (74); a through hole for loading or unloading the lead pipeline (3) is formed between the first supporting column (71) and the second supporting column (72), one end of the retaining rod (73) is movably connected with the first supporting column (71), and the other end of the retaining rod (73) is movably connected with the second supporting column (72) so as to open or close the through hole by adjusting the position of the retaining rod (73);
the stopping rod (73) has a sliding state for the lead pipeline (3) to enter the limiting space (74) and a locking state for limiting the lead pipeline (3) in the limiting space (74).
8. The drainage device according to claim 7, characterized in that the plurality of lead lines (3), the locking assembly (5) and the backstop assembly (7) are provided, and each lead line (3) is mounted on the mounting portion (22) through one locking assembly (5); each lead pipeline (3) is arranged in a limiting space (74) of one stopping assembly (7).
9. The drainage device according to claim 7, characterized in that a lifting ring (8) is arranged on the first support column (71) or the second support column (72) in a penetrating way, so that the drainage device can be lifted through the lifting ring (8).
10. The drainage device according to claim 1, characterized in that it further comprises a clip hook (9) for hanging the clip (41), the clip hook (9) being provided on the stand body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011616469.XA CN112670897A (en) | 2020-12-30 | 2020-12-30 | Drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011616469.XA CN112670897A (en) | 2020-12-30 | 2020-12-30 | Drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112670897A true CN112670897A (en) | 2021-04-16 |
Family
ID=75411433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011616469.XA Pending CN112670897A (en) | 2020-12-30 | 2020-12-30 | Drainage device |
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| Country | Link |
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| CN (1) | CN112670897A (en) |
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| US20130075125A1 (en) * | 2011-09-28 | 2013-03-28 | Utility Solutions Inc. | Utility power-line-jumper apparatus with external venting |
| CN105048346A (en) * | 2015-08-25 | 2015-11-11 | 国网山东省电力公司淄博供电公司 | Bypass work drainage thread fixing device |
| CN206516982U (en) * | 2017-03-02 | 2017-09-22 | 国网宁夏电力公司培训中心 | Insulation lead wire support closing hook |
| CN108155601A (en) * | 2018-01-08 | 2018-06-12 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of method that on-load straight line pole changes tension-resistant rod |
| CN109994961A (en) * | 2019-01-15 | 2019-07-09 | 国网辽宁省电力有限公司鞍山供电公司 | It is arranged vertically 10kV overhead transmission line on-load and replaces on-pole switch device and method |
| CN111864619A (en) * | 2019-11-30 | 2020-10-30 | 国网河南省电力公司南阳供电公司 | 10kv drainage wire replacement supporting tool with load switch |
-
2020
- 2020-12-30 CN CN202011616469.XA patent/CN112670897A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130075125A1 (en) * | 2011-09-28 | 2013-03-28 | Utility Solutions Inc. | Utility power-line-jumper apparatus with external venting |
| CN105048346A (en) * | 2015-08-25 | 2015-11-11 | 国网山东省电力公司淄博供电公司 | Bypass work drainage thread fixing device |
| CN206516982U (en) * | 2017-03-02 | 2017-09-22 | 国网宁夏电力公司培训中心 | Insulation lead wire support closing hook |
| CN108155601A (en) * | 2018-01-08 | 2018-06-12 | 国网辽宁省电力有限公司鞍山供电公司 | A kind of method that on-load straight line pole changes tension-resistant rod |
| CN109994961A (en) * | 2019-01-15 | 2019-07-09 | 国网辽宁省电力有限公司鞍山供电公司 | It is arranged vertically 10kV overhead transmission line on-load and replaces on-pole switch device and method |
| CN111864619A (en) * | 2019-11-30 | 2020-10-30 | 国网河南省电力公司南阳供电公司 | 10kv drainage wire replacement supporting tool with load switch |
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Application publication date: 20210416 |
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| RJ01 | Rejection of invention patent application after publication |