CN212908167U - High voltage electric network overhauls circuit earth connection device - Google Patents
High voltage electric network overhauls circuit earth connection device Download PDFInfo
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- CN212908167U CN212908167U CN202022247889.7U CN202022247889U CN212908167U CN 212908167 U CN212908167 U CN 212908167U CN 202022247889 U CN202022247889 U CN 202022247889U CN 212908167 U CN212908167 U CN 212908167U
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- 239000012212 insulator Substances 0.000 claims abstract description 27
- 239000002184 metal Substances 0.000 claims abstract description 10
- 230000008878 coupling Effects 0.000 claims abstract description 7
- 238000010168 coupling process Methods 0.000 claims abstract description 7
- 238000005859 coupling reaction Methods 0.000 claims abstract description 7
- 230000006978 adaptation Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000003780 insertion Methods 0.000 description 28
- 230000037431 insertion Effects 0.000 description 28
- 230000005540 biological transmission Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 230000002093 peripheral effect Effects 0.000 description 4
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Abstract
The utility model relates to a high voltage electric network overhauls circuit earth connection device relates to the field of electric power engineering, its include insulator spindle, junction pole and with the metal wire that is used for ground connection that the junction pole is connected, the insulator spindle with be provided with a plurality of splice bars between the junction pole, splice bar's one end with the one end of insulator spindle all is provided with first link, splice bar's the other end with the one end of junction pole all be provided with the second link of connection is dismantled to first link card, the junction pole is kept away from be provided with coupling assembling between the one end of second link and the high-voltage line. This application is at a plurality of splice bars of insulator spindle and the week side concatenation of connecting rod to under coupling assembling's effect, with high-voltage line and connecting rod stable connection, have the effect that makes remaining electric current on the high-voltage line get into the ground along the metal wire, guarantee staff's personal safety.
Description
Technical Field
The application relates to the field of electric power engineering, in particular to a high-voltage power grid overhauling line grounding wire device.
Background
The grounding wire has very wide application in a high-voltage long-distance power transmission power system, is a necessary device for guaranteeing the personal safety of power production and maintenance personnel, and is one of important technical measures for guaranteeing the safe work of power when power failure equipment is reliably grounded. The function of the high-voltage cable is to release residual charges on the high-voltage cable so as to prevent workers from being electrocuted when a sudden call is received or induced voltage is generated by adjacent electrified equipment and lines.
The current chinese patent with patent application number CN201821498097.3 provides a novel earth connection, including the fixed block, the top of fixed block is equipped with hook-shaped stiff end clamp, the bottom of fixed block is equipped with insulating bar, the portion inboard that colludes that hook-shaped stiff end clamp is equipped with the U type and presss from both sides, but the U type presss from both sides and forms the cavity of chucking power transmission line with hook-shaped stiff end clamp's the portion inboard that colludes, the bottom that the U type pressed from both sides is equipped with the bracing piece, the fixed block is worn out in the bracing piece activity, the bracing piece is close to the one end that the U type pressed from both sides and is equipped with the fixture block, the spring has been cup jointed to the bracing piece between fixture block and fixed block, the pole portion that hook-shaped stiff end pressed from both sides be equipped with.
In the above related art, since half of the high-voltage transmission line is erected at a position higher than the ground, when the high-voltage line needs to be grounded and overhauled, a worker overlaps the insulating operating rod with the high-voltage line at a distance equal to the ground to the peripheral side of the high-voltage line to complete the grounding operation on the high-voltage line, and the inventor thinks that the insulating operating rod with the high-voltage line at the same height has the defect of inconvenient transportation.
SUMMERY OF THE UTILITY MODEL
In order to improve the problem of the transportation of integral type insulating bar not being convenient for, this application provides a high voltage electric network overhauls circuit and meets ground wire device.
The application provides a high voltage electric network overhauls circuit earth connection device adopts following technical scheme:
the utility model provides a high voltage electric network overhauls circuit earth connection device, including insulator spindle, junction pole and with the metal wire that is used for ground connection that the junction pole is connected, the insulator spindle with be provided with a plurality of splice bars between the junction pole, the one end of splice bar with the one end of insulator spindle all is provided with first link, the other end of splice bar with the one end of junction pole all be provided with the second link of first link joint dismantlement connection, the junction pole is kept away from be provided with coupling assembling between the one end of second link and the high-voltage line.
By adopting the technical scheme, when the grounding operation is needed to be carried out on a high-voltage power grid, a worker firstly hangs the metal wire to be arranged on the periphery of the wiring rod, the other end of the metal wire is connected with the ground, the insulating rod is held by hand to keep away from one end of the first connecting end, the splicing rod is taken out and moves the second connecting end of the splicing rod to the first connecting end close to the insulating rod until the first connecting end is fixedly connected with the second connecting end, the splicing rod is continuously spliced on the basis, the splicing rod is spliced for multiple times until the wiring rod reaches the periphery of the high-voltage wire, the high-voltage wire is stably connected with the wiring rod under the action of the connecting assembly, the residual current on the high-voltage wire enters the ground along the metal wire at the moment, the personal safety of the worker is ensured, and meanwhile, the stability of.
Optionally, an insertion rod is arranged at one end of the first connecting end, which is far away from the insulating rod or the splicing rod, a slot which is in plug-in fit with the insertion rod is arranged at one end of the second connecting end, which is far away from the wiring rod or the splicing rod, and a fixing assembly for fixedly connecting the insertion rod and the slot is arranged between the insertion rod and the slot.
By adopting the technical scheme, a worker inserts the insertion rod of the first connecting end into the insertion slot of the second connecting end, and fixedly connects the insertion rod into the insertion slot under the action of the fixing assembly, so that the purpose of fixedly connecting the first connecting end and the second connecting end is achieved, the first connecting end and the second connecting end are spliced for multiple times, the purpose of prolonging the splicing rod is achieved, and the operation is convenient and rapid; after the overhaul is finished, the fixing assembly is disconnected, the inserting rod is pulled away from the inserting rod along the axis of the inserting groove until the inserting rod is separated from the inserting groove, the purpose of disassembling the splicing rod is achieved, and the transportation is facilitated.
Optionally, the fixed subassembly including set up in the slider of inserted bar week side, the slot inner wall along its axial seted up with the spout of slider grafting adaptation, the spout diapire is followed the annular has radially been seted up of second link, the one end of annular with spout intercommunication and the other end are closed, the slider rotate connect in the annular.
By adopting the technical scheme, a worker drives the insertion rod to drive the sliding block to move towards the direction close to the slot, the insertion rod is inserted into the slot, the sliding block is inserted into the sliding groove at the moment, the sliding block moves along the axis of the insertion rod until the end part of the insertion rod is abutted to the bottom wall of the slot, the sliding block is positioned in the annular groove at the moment, the insertion rod rotates along the circumferential direction of the insertion rod, the insertion rod drives the sliding block to move towards the bottom wall of the annular groove until the sliding block is abutted to the bottom wall of the annular groove, the axial movement between the insertion rod and the slot is limited by the matching of the annular groove and the sliding block, the purpose; when the disassembly is needed, a worker rotates the inserting rod along the annular groove, the inserting rod drives the sliding block to rotate to the sliding groove, the inserting rod is pulled away from the inserting rod along the axis of the inserting groove, and the purpose of disconnecting the first connecting end from the second connecting end is achieved.
Optionally, a threaded sleeve is sleeved on one end of the second connecting end, which is far away from the junction rod, or on one end of the splicing rod, a boss used for abutting against the bottom wall of the threaded sleeve is arranged on one end of the second connecting end, which is far away from the junction rod, or on one end of the splicing rod, and a threaded rod in threaded connection with the threaded sleeve is arranged on one end of the first connecting end, which is far away from the insulating rod or the splicing rod.
By adopting the technical scheme, after a worker rotates the sliding block into the annular groove to perform pre-positioning, the threaded sleeve slides along the axis of the wiring rod or the splicing rod, and rotates until the threaded sleeve is connected to the periphery of the threaded rod in a threaded manner, and meanwhile, the tail end of the threaded sleeve is abutted against the boss, so that the purpose of fixedly connecting the first connecting end and the second connecting end is achieved; when the splicing rod is disassembled, a worker firstly rotates the threaded sleeve to disconnect the threaded connection between the threaded sleeve and the threaded rod, and rotates the inserting rod to draw the inserting rod along the axis of the slot to complete the disassembly of the splicing rod.
Optionally, one end of the junction pole, which is far away from the second connecting end, is provided with a clamping block, a placing groove is formed in the side wall of the clamping block in a penetrating mode, the connecting assembly comprises a clamping plate which is connected with the bottom wall of the placing groove in a sliding mode along the vertical direction, the length of the clamping plate is larger than the depth of the placing groove, and an elastic piece used for clamping a high-voltage wire is arranged between the clamping plate and the clamping block.
Through adopting above-mentioned technical scheme, the insulator spindle that the staff will splice the completion removes to the high-voltage line below that needs ground connection, utilize the splint that stretch out the fixture block and the week side butt of high-voltage line, upwards promote the insulator spindle, the high-voltage line moves to the direction that is close to the terminal rod in the standing groove under the effect of dead weight, and the compression elastic component, along the radial insulator spindle that promotes of high-voltage line, it makes the high-voltage line be located between splint and the standing groove inner wall to remove the insulator spindle, reach the purpose with high-voltage line joint to the standing groove in.
Optionally, a guide groove is formed in the bottom wall of the placing groove in the vertical direction, the side wall of the clamping plate is provided with a guide block connected in the guide groove in a sliding mode, and the cross section of the guide groove and the cross section of the guide block are in a T shape.
Through adopting above-mentioned technical scheme, utilize the cooperation of guide block and guide way to be convenient for lead splint and prevent simultaneously that splint break away from the standing groove.
Optionally, the elastic member is a spring, and two ends of the spring are respectively fixedly connected with the clamping plate and the side wall of the placing groove.
Through adopting above-mentioned technical scheme, utilize the elasticity of spring to make the inner wall of splint and standing groove and the periphery lateral wall of high-voltage line fully contact, ensure the stability of high-voltage line ground connection.
Optionally, the standing groove lateral wall runs through along vertical direction and has seted up spacing hole, wear to be equipped with the gag lever post in the spacing hole, gag lever post one end with the splint fixed connection other end passes spacing hole threaded connection has the nut, the diameter of nut is greater than the diameter in spacing hole, the spring housing is located gag lever post week side.
Through adopting above-mentioned technical scheme, utilize the gag lever post to wear to establish with the spring in, lead to the spring, ensure that the spring provides abundant drive power for splint, utilize the terminal position of nut restriction gag lever post, prevent that the gag lever post from breaking away from spacing hole.
Optionally, the clamp plate is far away from the end face of the limiting rod and the side wall of the placing groove is provided with a clamping groove for clamping a high-voltage wire.
Through adopting above-mentioned technical scheme, utilize the draw-in groove to fix a position high-voltage line week side, prevent to a certain extent that the high-voltage line breaks away from splint easily.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the inserting rod is inserted into the inserting groove, the inserting rod is rotated until the sliding block is abutted against the bottom wall of the annular groove, the threaded sleeve is rotated until the threaded sleeve is connected to the periphery of the threaded rod in a threaded mode, and the purpose of fixedly connecting the first connecting end and the second connecting end is achieved;
2. the insulating rod drives the clamping block to move, so that the high-voltage wire is clamped in the clamping groove, and the purpose of stably connecting the high-voltage wire to the clamping groove is achieved;
3. this device mainly used switches on high-voltage electric network and ground to the maintenance work of high-voltage electric network, guarantees staff's personal safety, and the stability of long distance high voltage transmission line has also been ensured to the periodic inspection high-voltage line simultaneously.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is an exploded view of the first connecting end, the second connecting end, the threaded sleeve, the inserted link and the sliding block in the embodiment of the present application;
fig. 3 is a partially enlarged schematic view of a portion a in fig. 1.
Reference numerals: 1. an insulating rod; 2. a wire connecting rod; 3. a metal wire; 4. splicing rods; 5. a first connection end; 6. a second connection end; 7. inserting a rod; 8. a slot; 9. a slider; 10. a chute; 11. a ring groove; 12. a threaded sleeve; 13. a boss; 14. a threaded rod; 15. a clamping block; 16. a placement groove; 17. a splint; 18. a guide groove; 19. a guide block; 20. a spring; 21. a limiting hole; 22. a limiting rod; 23. a nut; 24. a clamping groove.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses high voltage electric network overhauls circuit earth device. Referring to fig. 1, high voltage electric network overhauls circuit earth connection device, including insulator spindle 1, terminal rod 2 and with 2 fixed connection of terminal rod be used for the metal wire 3 of ground connection, for the convenience of extension insulator spindle 1 and the distance between terminal rod 2, the concatenation has the concatenation pole 4 of many fixed lengths between insulator spindle 1 and the terminal rod 2, the one end of concatenation pole 4 and the equal fixedly connected with first link 5 of one end of insulator spindle 1, the other end of concatenation pole 4 and the equal fixedly connected with second link 6 of one end of terminal rod 2, utilize the concatenation between first link 5 and the second link 6, reach the effect of extension distance between terminal rod 2 and the insulator spindle 1, be convenient for extend terminal rod 2 to high-voltage line week side, utilize metal wire 3 to reach the purpose of carrying out ground connection to the high-voltage line.
Referring to fig. 1 and 2, in order to facilitate the connection between the first connection end 5 and the second connection end 6, an insertion rod 7 is fixedly connected to one end of the first connection end 5, which is far away from the insulation rod 1, or the splicing rod 4, a slot 8 is formed in one end of the second connection end 6, which is far away from the connection rod 2, or the splicing rod 4, the insertion rod 7 is inserted into the slot 8, in order to prevent the insertion rod 7 from being separated from the slot 8, a fixing component is arranged between the insertion rod 7 and the inner wall of the slot 8, the fixing component comprises a sliding block 9 integrally formed on the peripheral side of the insertion rod 7, a sliding groove 10 is formed in the inner wall of the slot 8 along the length direction of the inner wall, a ring groove 11 is formed in the bottom end of the sliding groove 10 along the circumferential direction of the slot 8, one end of the ring groove 11 is communicated with the sliding groove 10, the sliding block 9 is inserted into the sliding groove, the sliding block 9 is prevented from directly separating from the sliding groove 10 along the sliding groove 10 to a certain extent, and the purpose of pre-connecting the first connecting end 5 and the second connecting end 6 is achieved.
Referring to fig. 2, in order to facilitate stable connection between the first connection end 5 and the second connection end 6, the second connection end 6 is sleeved with a threaded sleeve 12 at a side of the end circumference away from the connection rod 2 or away from the splice rod 4, in order to prevent the threaded sleeve 12 from being separated from the second connection end 6, a boss 13 is integrally formed at a side of the end circumference of the second connection end 6, and the first connection end 5 is away from the insulation rod 1 or away from the one end fixedly connected with threaded rod 14 of the splice rod 4.
When the high-voltage power grid needs to be grounded, a worker drives the insertion rod 7 to be inserted into the slot 8, the sliding block 9 is inserted into the sliding groove 10 at the moment, the insertion rod 7 moves along the axis of the insertion rod 7 until the end of the insertion rod 7 is abutted against the bottom wall of the slot 8, the sliding block 9 is located in the annular groove 11 at the moment, the insertion rod 7 rotates along the circumferential direction of the insertion rod 7, the insertion rod 7 drives the sliding block 9 to move towards the bottom wall of the annular groove 11 until the sliding block 9 is abutted against the bottom wall of the annular groove 11, the threaded sleeve 12 rotates until the threaded sleeve 12 is in threaded connection with the peripheral side of the threaded rod 14, meanwhile, the tail end of the threaded sleeve 12 is abutted against the boss 13.
The splicing rod 4 is disassembled after the overhaul is finished, a worker firstly rotates the threaded sleeve 12 to disconnect the threaded connection between the threaded sleeve 12 and the threaded rod 14, and the inserting rod 7 is rotated and is pulled out of the inserting rod 7 along the axis of the slot 8 to complete the disassembly of the splicing rod 4 or the wiring rod 2.
Referring to fig. 2 and 3, for the convenience of being connected between junction pole 2 and the high-voltage line, the one end that second link 6 was kept away from to junction pole 2 is provided with coupling assembling, the one end threaded connection that second link 6 was kept away from to junction pole 2 has fixture block 15, fixture block 15 lateral wall runs through and has seted up standing groove 16, standing groove 16 diapire has seted up guide way 18 along vertical direction, sliding connection has guide block 19 in guide way 18, guide way 18 is "T" style of calligraphy with the cross-section of guide block 19, coupling assembling includes splint 17 with 19 fixed connection of guide block, splint 17 keeps away from the terminal surface of gag lever post 22 and standing groove 16 lateral wall and all offers the draw-in groove 24 that is used for the joint high-voltage line, draw-in groove 24 fixes a position high-voltage line week side, prevent.
Referring to fig. 2 and 3, in order to facilitate the clamping cooperation of the clamp plate 17 and the side wall of the guide groove 18 to the high-voltage wire, an elastic member for clamping the high-voltage wire is arranged between the clamp plate 17 and the clamping block 15, a limit hole 21 is formed in the side wall of the placing groove 16 along the vertical direction in a penetrating manner, a limit rod 22 is arranged in the limit hole 21 in a penetrating manner, the elastic member is arranged to be sleeved on a spring 20 on the peripheral side of the limit rod 22, two ends of the spring 20 are respectively fixedly connected with the clamp plate 17 and the side wall of the placing groove 16, in order to prevent the limit rod 22 from being separated from the limit hole 21, one end of the limit rod 22 is in threaded connection with the bottom wall of the clamp plate 17, the other end of the spring passes through the limit hole 21 and is in threaded connection with a nut 23.
The staff removes the insulator spindle 1 that the concatenation was accomplished to the high-voltage line below that needs the ground connection, utilize the splint 17 that stretch out fixture block 15 and the week side butt of high-voltage line, upwards promote insulator spindle 1, the high-voltage line pushes down splint 17 under the dead weight effect and removes and compression spring 20 to the direction that is close to spacing hole 21 under the restriction of guide way 18 and guide block 19, along high-voltage line radial promotion insulator spindle 1, make high-voltage line joint to the draw-in groove 24 in, reach the purpose of firmly being connected to the high-voltage line in the draw-in groove 24, prevent to a certain extent that the high-voltage line from breaking away from fixture block 15, guarantee maintenance staff's personal safety to a certain extent.
After the overhaul is accomplished, the staff upwards promotes insulator spindle 1, and insulator spindle 1 drives fixture block 15 and removes and compression spring 20 to the direction of keeping away from the high-voltage line, takes out from fixture block 15, dismantles the concatenation pole 4 of concatenation, accomplishes accomodating insulator spindle 1, is convenient for use next time.
The implementation principle of the high-voltage power grid maintenance line grounding wire device in the embodiment of the application is as follows: the staff drives the inserted bar 7 to be inserted into the slot 8, the inserted bar 7 drives the sliding block 9 to be inserted into the sliding groove 10 and rotates the inserted bar 7 along the circumferential direction of the inserted bar 7, until the sliding block 9 abuts against the bottom wall of the annular groove 11, the threaded sleeve 12 rotates, until the threaded sleeve 12 is in threaded connection with the circumferential side of the threaded rod 14, the purpose of fixedly connecting the first connecting end 5 with the second connecting end 6 is achieved, the insulating rod 1 is moved to drive the clamping block 15 to move, the high-voltage wire is clamped into the clamping groove 24, and the purpose of stably connecting the high-voltage wire into the clamping groove 24 is achieved.
Upwards promote insulator spindle 1, insulator spindle 1 drives fixture block 15 and removes to the direction of keeping away from the high-voltage line, takes out from fixture block 15, dismantles the splice bar 4 of concatenation, accomplishes accomodating insulator spindle 1, is convenient for use next time.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (9)
1. The utility model provides a high voltage electric network overhauls line earth connection device, includes insulator spindle (1), terminal rod (2) and with be used for grounded metal wire (3) that terminal rod (2) are connected, its characterized in that: the insulating rod (1) and be provided with a plurality of splice bars (4) between junction pole (2), the one end of splice bar (4) with the one end of insulating rod (1) all is provided with first link (5), the other end of splice bar (4) with the one end of junction pole (2) all be provided with first link (5) joint dismantlement connection's second link (6), keep away from in junction pole (2) be provided with coupling assembling between the one end of second link (6) and the high-voltage line.
2. The high-voltage power grid service line grounding wire device of claim 1, wherein: an inserting rod (7) is arranged at one end, far away from the insulating rod (1) or the splicing rod (4), of the first connecting end (5), a slot (8) matched with the inserting rod (7) in an inserting mode is formed in one end, far away from the wiring rod (2) or the splicing rod (4), of the second connecting end (6), and a fixing assembly used for fixedly connecting the inserting rod (7) and the slot (8) is arranged between the inserting rod (7) and the slot (8).
3. The high-voltage power grid service line grounding wire device of claim 2, wherein: fixed subassembly including set up in slider (9) of inserted bar (7) week side, slot (8) inner wall along its axial seted up with spout (10) of slider (9) grafting adaptation, spout (10) diapire is followed annular (11) have radially been seted up of second link (6), the one end of annular (11) with spout (10) intercommunication and the other end are closed, slider (9) rotate connect in annular (11).
4. The high voltage power grid service line grounding wire device of claim 3, wherein: keep away from second link (6) the one end of junction pole (2) or the week side cover of splice bar (4) is equipped with threaded sleeve (12), keep away from in second link (6) the one end of junction pole (2) or the one end of splice bar (4) be provided with be used for with boss (13) of the diapire butt of threaded sleeve (12), keep away from in first link (5) insulator spindle (1) or the one end of splice bar (4) be provided with threaded rod (14) of threaded sleeve (12) threaded connection.
5. The high voltage power grid service line grounding wire device of claim 4, wherein: the one end that junction pole (2) kept away from second link (6) is provided with fixture block (15), fixture block (15) lateral wall runs through and has seted up standing groove (16), coupling assembling include along vertical direction with standing groove (16) diapire sliding connection's splint (17), the length of splint (17) is greater than the degree of depth of standing groove (16), splint (17) with set up the elastic component that is used for step up high-voltage line between fixture block (15).
6. The high voltage power grid service line grounding wire device of claim 5, wherein: the novel clamp is characterized in that a guide groove (18) is formed in the bottom wall of the placing groove (16) in the vertical direction, a guide block (19) connected in the guide groove (18) in a sliding mode is arranged on the side wall of the clamping plate (17), and the cross sections of the guide groove (18) and the guide block (19) are T-shaped.
7. The high voltage power grid service line grounding wire device of claim 5, wherein: the elastic piece is provided with a spring (20), and two ends of the spring (20) are fixedly connected with the clamping plate (17) and the side wall of the placing groove (16) respectively.
8. The high voltage power grid service line grounding wire device of claim 7, wherein: standing groove (16) lateral wall runs through along vertical direction and has seted up spacing hole (21), wear to be equipped with gag lever post (22) in spacing hole (21), gag lever post (22) one end with splint (17) fixed connection other end passes spacing hole (21) threaded connection has nut (23), the diameter of nut (23) is greater than the diameter in spacing hole (21), spring (20) cover is located gag lever post (22) week side.
9. The high voltage power grid service line grounding wire device of claim 8, wherein: the clamp plate (17) is far away from the end face of the limiting rod (22) and the side wall of the placing groove (16) is provided with a clamping groove (24) used for clamping a high-voltage wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247889.7U CN212908167U (en) | 2020-10-11 | 2020-10-11 | High voltage electric network overhauls circuit earth connection device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022247889.7U CN212908167U (en) | 2020-10-11 | 2020-10-11 | High voltage electric network overhauls circuit earth connection device |
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| CN212908167U true CN212908167U (en) | 2021-04-06 |
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| CN202022247889.7U Active CN212908167U (en) | 2020-10-11 | 2020-10-11 | High voltage electric network overhauls circuit earth connection device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383691A (en) * | 2022-08-12 | 2022-11-25 | 深圳市安卫普科技有限公司 | Equipment with extension rod |
-
2020
- 2020-10-11 CN CN202022247889.7U patent/CN212908167U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115383691A (en) * | 2022-08-12 | 2022-11-25 | 深圳市安卫普科技有限公司 | Equipment with extension rod |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A ground wire device for high voltage power network maintenance line Effective date of registration: 20220531 Granted publication date: 20210406 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: Hubei century Senyuan Power Engineering Co.,Ltd. Registration number: Y2022420000143 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230602 Granted publication date: 20210406 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: Hubei century Senyuan Power Engineering Co.,Ltd. Registration number: Y2022420000143 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A grounding wire device for high-voltage power grid maintenance lines Effective date of registration: 20230605 Granted publication date: 20210406 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: Hubei century Senyuan Power Engineering Co.,Ltd. Registration number: Y2023420000221 |
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Granted publication date: 20210406 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: Hubei century Senyuan Power Engineering Co.,Ltd. Registration number: Y2023420000221 |
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Denomination of utility model: A grounding wire device for high-voltage power grid maintenance lines Granted publication date: 20210406 Pledgee: Guanggu Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: Hubei century Senyuan Power Engineering Co.,Ltd. Registration number: Y2024980001821 |
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