CN202166662U - Tool used for assembling and disassembling circuit fault indicator with power on - Google Patents
Tool used for assembling and disassembling circuit fault indicator with power on Download PDFInfo
- Publication number
- CN202166662U CN202166662U CN2011201828942U CN201120182894U CN202166662U CN 202166662 U CN202166662 U CN 202166662U CN 2011201828942 U CN2011201828942 U CN 2011201828942U CN 201120182894 U CN201120182894 U CN 201120182894U CN 202166662 U CN202166662 U CN 202166662U
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- fault indicator
- instrument
- tool body
- chamber
- unloading
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Abstract
The utility model discloses a tool used for assembling and disassembling a circuit fault indicator with power on, which comprises a tool body, two support arms and a connection head. The circuit fault indicator comprises a display portion and a spring clamp, the tool body comprises a cavity used for containing the display portion, and a press spring is arranged at the bottom of the cavity. The two support arms are oppositely arranged at one end of the cavity of the tool body at intervals, the distance between the two support arms is matched with the size of the display portion, hole cavities which are opposite to each other are respectively arranged at one ends of the two support arms connected with the tool body, clamping portions oppositely stretching out of the hole cavities are respectively arranged in the hole cavities in penetrating mode, the moving distance of the clamping portions can be adjusted, clamping hooks are respectively arranged at the other ends of the two support arms, and the connection head is connected at one end of the tool body not provided with the cavity. The tool used for assembling and disassembling the circuit fault indicator with power on is capable of safely and conveniently assembling and disassembling the circuit fault indicator when the power grid is powered on.
Description
Technical field
The utility model relates to a kind of instrument that is used for charged loading and unloading fault indicator, particularly a kind of instrument that is used for charged loading and unloading SFI-2C1 type fault indicator.
Background technology
At present city and county town distribution line use cable distribution box and cable connector case, ring main unit, box-type substation (being called for short case becomes) to realize the installation of on-pole switch (isolating switch), isolation switch (switch) and branch line in the overhead transmission line cableization in a large number.
Cable type short trouble indicator is mounted on the power cable distribution line, in the case change, ring main unit, feeder pillar, be used to indicate the device of fault current circulation.In case the circuit failed because, the track walker can show by the red alarm on the indicator, confirms fault section, branch and trouble spot rapidly.Thoroughly change blindness line walking in the past, segmentation combined floodgate trial line charging is searched the backward way of fault, increases work efficiency greatly, shortens power off time, improves power supply reliability and economic benefit effectively.
In loading and unloading cable type short trouble indicator process, all be to lean on staff directly to contact cable end to realize loading and unloading in the past.When electrical network does not cut off the power supply, perhaps power supply administration's power failure rear section user is when electrical network oppositely send electricity, and when perhaps cable end inside the high heat of high temperature occurred insulation course is destroyed, obviously there was serious potential safety hazard in this handling mode that leans on staff directly to contact cable end.
The utility model content
The utility model technical matters to be solved provides a kind of instrument that is used for charged loading and unloading fault indicator, can be under the situation of network live, and safety and load and unload SFI-2C1 type fault indicator expediently.
In order to solve the problems of the technologies described above; The utility model provides a kind of instrument that is used for charged loading and unloading fault indicator; Said fault indicator comprises display part and the spring clamp that is used for the clamping cable, and the said instrument that is used for charged loading and unloading fault indicator comprises:
Tool body; In said tool body, offer suitable and be used for the chamber of ccontaining said display part with the display part of said fault indicator from an end of said tool body; The bottom of said chamber is provided with stage clip; When said display area was in said chamber, the upper end of said stage clip was butted on the display part of said fault indicator;
Two support arms; Said two support arm relative spacings are arranged on said tool body and offer on the end of said chamber; Distance between said two support arms is suitable with the size of said display part; The end that said two support arms are connected with said tool body is provided with relative vestibule respectively, wears respectively in the said vestibule to stretch out the holding section that said vestibule and its stroke can be regulated relatively, and the other end of said two support arms is provided with the relative grab that is used for the said spring clamp of hook respectively;
Connector, said connector are connected the end that said tool body is not offered said chamber.
As preferably; Said holding section comprises fixture block and adjusting mechanism, and said fixture block is that upper surface is the wedge shape on inclined-plane, and said adjusting mechanism comprises the substrate and first web joint that laterally arranges; Said substrate is connected with said support arm; Screw rod one end that said first web joint is connected with bolt and said bolt passes said substrate and is connected with the adjustment nut, is arranged with first spring on the said bolt between the said substrate and first web joint, and said fixture block is connected on said first web joint.
As preferably; Said holding section comprises fixture block and adjusting mechanism, and said fixture block is that upper surface is the wedge shape on inclined-plane, and said adjusting mechanism comprises the substrate that laterally arranges, second web joint and the 3rd web joint; Said substrate is connected with said support arm; Screw rod one end that said second web joint is connected with bolt and said bolt passes said substrate and is connected with the adjustment nut, and said second web joint is connected through second spring with said the 3rd web joint, and said fixture block is connected on said the 3rd web joint.
As preferably, be arranged with the 3rd spring on the said bolt between the said substrate and second web joint.
As preferably; Said tool body comprises columned first body and funnelform second body; Offer cylindric first chamber in said first body; Offer columned second chamber in said second body, the diameter of said first chamber is greater than the diameter of said second chamber.
As preferably, said first body and second body of said tool body are formed in one.
As preferably, said tool body is formed through the securing member butt joint by two parts symmetrical.
As preferably, it is characterized in that said stage clip is installed on the bottom of said chamber through the pedestal of being processed by insulating material.
As preferably, the free end of said connector is provided with screw thread.
As preferably; Said two support arms are symmetricly set on the edge of said tool body upper end and extend downward the both sides of said tool body, offer groove to said grab direction and said connector direction respectively from said vestibule position on the lateral surface of said two support arms.
Prior art is compared; The beneficial effect of the instrument that is used for charged loading and unloading fault indicator that the utility model provides is: when electrical network does not cut off the power supply; Perhaps power supply administration's power failure rear section user is when electrical network oppositely send electricity; When perhaps cable end inside the high heat of high temperature occurred insulation course is destroyed, the operator can use the instrument safety that is used for charged loading and unloading fault indicator of the utility model and load and unload SFI-2C1 type fault indicator expediently, has guaranteed personal safety largely.
Description of drawings
Fig. 1 is the instrument that is used for charged loading and unloading fault indicator of the embodiment one of the utility model and the synoptic diagram of charged loading and unloading fault indicator.
Fig. 2 is the side view of the instrument that is used for charged loading and unloading fault indicator of the embodiment one of the utility model among Fig. 1.
Fig. 3 is the synoptic diagram of the tool body of the embodiment two of the instrument that is used for charged loading and unloading fault indicator of the utility model.
Fig. 4 is the synoptic diagram of the embodiment three of the instrument that is used for charged loading and unloading fault indicator of the utility model.
Fig. 5 is the synoptic diagram of the execution of instrument example four that is used for charged loading and unloading fault indicator of the utility model.
Fig. 6 is the synoptic diagram of the holding section of the embodiment five of the instrument that is used for charged loading and unloading fault indicator of the utility model.
Fig. 7 is the synoptic diagram of the holding section of the embodiment six of the instrument that is used for charged loading and unloading fault indicator of the utility model.
Fig. 8 is the synoptic diagram of the holding section of the embodiment seven of the instrument that is used for charged loading and unloading fault indicator of the utility model.
Fig. 9 is the synoptic diagram of the holding section of the embodiment eight of the instrument that is used for charged loading and unloading fault indicator of the utility model.
Figure 10 is the synoptic diagram of the holding section of the embodiment nine of the instrument that is used for charged loading and unloading fault indicator of the utility model.
Figure 11 is the side schematic view of the embodiment ten of the instrument that is used for charged loading and unloading fault indicator of the utility model.
Embodiment
Below in conjunction with accompanying drawing and specific embodiment the utility model is described in further detail, but not as the qualification to the utility model.
Embodiment one:
Fig. 1 is the synoptic diagram of the execution of instrument example one that is used for charged loading and unloading fault indicator of the utility model, and Fig. 2 is the side view of the instrument that is used for charged loading and unloading fault indicator of the embodiment one of the utility model among Fig. 1.As depicted in figs. 1 and 2, the instrument that is used for charged loading and unloading fault indicator of the utility model is used to load and unload SFI-2C1 type fault indicator 100.SFI-2C1 type fault indicator 100 comprises spring clamp 1001 and display part, and display part comprises display part base 1002 and display end 1003.The instrument that is used for charged loading and unloading fault indicator of the utility model comprises tool body 1, two support arms 2 and connector 3, wherein:
One end of tool body 1 is offered chamber 11 to its inside, and chamber 11 is used for ccontaining display part base 1002 and display end 1003.The bottom of chamber 11 is equipped with stage clip 4, and when the display part of SFI-2C1 type fault indicator 100 was placed into chamber 11, an end of stage clip 4 can be butted on the display end 1003.
Two support arms 2 are arranged at tool body 1 and offer on the end of chamber 11, and the external dimensions of the spacing of two support arms 2 and SFI-2C1 type fault indicator 100 display parts is suitable, and are not less than the transverse width of chamber 11.Two support arms 2 all are provided with vestibule 21 with tool body 1 link, wear holding section 5 in the vestibule 21, and wherein holding section 5 can stretch out in vestibule 21 relatively.Holding section 5 can be on the b of drawing shown in Figure 1 direction move left and right, and can regulating holding section 5, to protrude in support arm 2 outer or be accommodated in the support arm 2.The other end of two support arms 2 is respectively arranged with relative grab 22.Connector 3 is connected in the end that tool body 1 is not offered chamber 11, is used to connect insulation rod etc., and the operator carries out charge and discharge operations through controlling insulation rod.
When 100 operations of SFI-2C1 type fault indicator are installed, earlier holding section 5 is accommodated in the support arm 2, be positioned over the display part of SFI-2C1 type fault indicator 100 in the chamber 11, the display end 1003 of display part is inconsistent with stage clip 4.Through external force spring clamp 1001 is opened along a direction among Fig. 1, and be hooked on the grab 22.The operator controls insulation rod the instrument that is used for charged loading and unloading fault indicator of the utility model is delivered to cable one phase, like the A phase, cable is placed through between two support arms 2.When the display part base 1002 of SFI-2C1 type fault indicator 100 contacts with cable; Continue to make SFI-2C1 type fault indicator 100 to move to the cable direction; Cable exerts pressure for stage clip 4 through display part base 1002, makes the instrument generation relative displacement that is used for charged loading and unloading fault indicator of SFI-2C1 type fault indicator 100 and the utility model.When relative displacement splits away off from grab 22 even as big as making spring clamp 1001, spring clamp 1001 is clamped on the cable automatically, and the instrument that is used for charged loading and unloading fault indicator of the utility model is recalled, and installation process is accomplished.
When dismantling 100 operations of SFI-2C1 type fault indicator, the spring clamp 1001 of SFI-2C1 type fault indicator 100 is held on the cable.Earlier holding section 5 is accommodated in the support arm 2; The operator controls insulation rod the instrument that is used for charged loading and unloading fault indicator of the utility model is delivered to cable one phase; Like the A phase; Cable is placed through between two support arms 2, and makes the display part of SFI-2C1 type fault indicator 100 place in the chamber 11.Regulate the displacement of holding section 5 on the b direction, make two holding sections 5 protrude in support arm 2 can fully engage two opposed edges of display part base 1002.The operator controls the instrument that is used for charged loading and unloading fault indicator that insulation rod makes the utility model to moving away from the cable direction; Because the interaction force of holding section 5 and display part base 1002; Spring clamp 1001 under external force with electrical cables separate, unloading process is accomplished.
Embodiment two:
Fig. 3 is the synoptic diagram of the tool body of the execution of instrument example two that is used for charged loading and unloading fault indicator of the utility model.The tool body 1 of the execution of instrument example two that is used for charged loading and unloading fault indicator of the utility model comprises the first body 1a and the second body 1b.Shown in Fig. 3 drawing, the first body 1a is cylindric, and the second body 1b is a funnel-form.Wherein, The first adaptive chamber 11a of display part base open and shape and aforementioned SFI-2C1 type fault indicator 1002 is set on the first body 1a; The second body 1b go up to be provided with that be communicated with the first chamber 11a and adaptive with the display end of the aforementioned SFI-2C1 type fault indicator 1,003 second chamber 11b, the first chamber 11a diameter greater than the diameter of the second chamber 11b.The display part of SFI-2C1 type fault indicator 100 can completely be placed in the first chamber 11a and the second cavate 11b adaptedly.In order to make tool body 1 package assembly simple,, adopt two parts symmetrical to constitute tool body 1 through securing member 12 butt joint assemblings as improvement.
Embodiment three:
Fig. 4 is the synoptic diagram of the execution of instrument example three that is used for charged loading and unloading fault indicator of the utility model.As shown in Figure 4; The execution of instrument example that is used for charged loading and unloading fault indicator three of the utility model is with the difference of embodiment two: tool body 1 is mode such as to cut through mold, thorax, and the aforementioned first body 1a and the second body 1b is integrated.Reduced so in use the loss of tool body 1, structure is more firm.
Embodiment four:
Fig. 5 is the synoptic diagram of the execution of instrument example four that is used for charged loading and unloading fault indicator of the utility model.As shown in Figure 5, the execution of instrument example four that is used for charged loading and unloading fault indicator of the utility model is with the difference of previous embodiment: the pedestal 6 that stage clip 4 is processed through insulating material is installed on the bottom of chamber 11.Pedestal 6 can adopt insulation such as fiber glass epoxy, electro-insulating rubber to process for example various structures such as pipe, lining or pillar.Pedestal 6 through being processed by insulating material can be realized operator's safe operation more reliably, has guaranteed operator's personal safety more.As improvement, for the instrument that is used for charged loading and unloading fault indicator that makes the utility model can be applicable to the different working occasion, the free end of connector 3 is provided with screw thread 31, to dock with insulation rod 7 easily.Screw thread 31 can be an internal thread, also can be external thread.
Embodiment five:
Fig. 6 is the synoptic diagram of the holding section of the execution of instrument example five that is used for charged loading and unloading fault indicator of the utility model.As shown in Figure 6; Present embodiment five is that with the difference of embodiment one holding section 5 comprises fixture block 501 and adjusting mechanism, and fixture block 501 is the wedge shape on inclined-plane for upper surface; Said adjusting mechanism comprises the substrate 503 and first web joint 502 that bolt 504 connects that pass through that laterally arranges; Be arranged with first spring 505 on the bolt 504 between the substrate 503 and first web joint 502, screw rod one end of bolt 504 passes substrate 503 and is connected with adjustment nut 506, and fixture block 501 is connected first web joint, 502 upper ends.The substrate 503 of holding section 5 is fixed through the vestibule wall of modes such as bonding, screw connection and vestibule 21, and substrate 503 can be fixed in the inside of vestibule 21, also can be fixed in the outside of vestibule 21.One end of bolt 504 is connected with first web joint 502, and other end screw rod is located on the substrate 503 and with 506 formation of adjustment nut and is threaded.When installing or dismantling aforementioned SFI-2C1 type fault indicator, make bolt 504 drive first web joint 502 through rotation adjustment nut 506 and move, thereby make fixture block 501 can be accommodated in or protrude in the vestibule 21 of support arm 2.Through first spring 505, making wins exists interaction force between web joint 502 and the substrate 503, makes that engaging is more firm.
Embodiment six:
Fig. 7 is the synoptic diagram of the holding section of the embodiment six of the instrument that is used for charged loading and unloading fault indicator of the utility model.As shown in Figure 7, the embodiment six of the instrument that is used for charged loading and unloading fault indicator of the utility model only is that with the difference of embodiment five fixture block 501 is connected the lower end of first web joint 502.
Embodiment seven:
Fig. 8 is the synoptic diagram of the holding section of the embodiment seven of the instrument that is used for charged loading and unloading fault indicator of the utility model.As shown in Figure 8, the embodiment seven of the instrument that is used for charged loading and unloading fault indicator of the utility model only is that with the difference of embodiment five fixture block 501 is connected the medium position of first web joint 502.
Embodiment eight:
Fig. 9 is the synoptic diagram of the holding section of the embodiment eight of the instrument that is used for charged loading and unloading fault indicator of the utility model.As shown in Figure 9; The embodiment eight of the instrument that is used for charged loading and unloading fault indicator of the utility model is with the difference of embodiment seven: an end of the bolt 504 of holding section 5 is connected with second web joint 507; Second web joint 507 is connected through second spring 509 with the 3rd web joint 508, and fixture block 501 is connected the medium position of the 3rd web joint 508.When dismounting SFI-2C1 type fault indicator; The operator can manually be accommodated in fixture block 501 in the aforementioned support arm in advance; SFI-2C1 type fault indicator is in the process that gets into aforementioned cavity; Because the upper surface of fixture block 501 is the inclined-plane, can easily fixture block 501 be advanced the inside of aforementioned vestibule through the extruding of SFI-2C1 type fault indicator.When the display part of SFI-2C1 type fault indicator was placed in aforementioned cavity fully, fixture block 501 can engage the edge of the display part base of aforementioned SFI-2C1 type fault indicator automatically through second spring 509, made unloading process convenient more.
Embodiment nine:
Figure 10 is the synoptic diagram of the holding section of the embodiment nine of the instrument that is used for charged loading and unloading fault indicator of the utility model.Shown in figure 10, the embodiment nine of the instrument that is used for charged loading and unloading fault indicator of the utility model and the difference of embodiment eight only are sheathed the 3rd spring 510 on the bolt 504 between second web joint 507 and the substrate 503.Through the 3rd spring 510, make to have interaction force between second web joint 507 and the substrate 503, make that engaging is more firm.
Embodiment ten:
Figure 11 is the side schematic view of the embodiment ten of the instrument that is used for charged loading and unloading fault indicator of the utility model.Shown in Figure 11 page; Two support arms 2 are symmetricly set on the edge of tool body 1 upper end; And the both sides that extend downward tool body 1 form extension 23; Begin from the position of vestibule 21 on the lateral surface of two support arms 2 respectively promptly to have groove 24 vertically upward and downwards along drawing to the direction of grab 22 and the direction of connector 3.Like this; Embodiment ten at the instrument that is used for charged loading and unloading fault indicator that uses the utility model is loading and unloading SFI-2C1 type fault indicator process, owing to offered groove 24 on two support arms 2, weight is more relaxed; Saved manpower, more convenient to operate.
Above embodiment is merely the exemplary embodiment of the utility model, is not used in restriction the utility model, and the protection domain of the utility model is defined by the claims.Those skilled in the art can make various modifications or be equal to replacement the utility model in the essence and protection domain of the utility model, this modification or be equal to replacement and also should be regarded as dropping in the protection domain of the utility model.
Claims (10)
1. instrument that is used for charged loading and unloading fault indicator, said fault indicator comprise display part and the spring clamp that is used for the clamping cable, it is characterized in that the said instrument that is used for charged loading and unloading fault indicator comprises:
Tool body; In said tool body, offer suitable and be used for the chamber of ccontaining said display part with the display part of said fault indicator from an end of said tool body; The bottom of said chamber is provided with stage clip; When said display area was in said chamber, the upper end of said stage clip was butted on the display part of said fault indicator;
Two support arms; Said two support arm relative spacings are arranged on said tool body and offer on the end of said chamber; Distance between said two support arms is suitable with the size of said display part; The end that said two support arms are connected with said tool body is provided with relative vestibule respectively, wears respectively in the said vestibule to stretch out the holding section that said vestibule and its stroke can be regulated relatively, and the other end of said two support arms is provided with the relative grab that is used for the said spring clamp of hook respectively;
Connector, said connector are connected the end that said tool body is not offered said chamber.
2. the instrument that is used for charged loading and unloading fault indicator according to claim 1; It is characterized in that; Said holding section comprises fixture block and adjusting mechanism; Said fixture block is that upper surface is the wedge shape on inclined-plane, said adjusting mechanism comprise laterally arrange pass through the bolted substrate and first web joint, be arranged with first spring on the said bolt between the said substrate and first web joint; Screw rod one end of said bolt passes said substrate and is connected with the adjustment nut, and said fixture block is connected on said first web joint.
3. the instrument that is used for charged loading and unloading fault indicator according to claim 1; It is characterized in that; Said holding section comprises fixture block and adjusting mechanism, and said fixture block is that upper surface is the wedge shape on inclined-plane, and said adjusting mechanism comprises the substrate that laterally arranges, second web joint and the 3rd web joint; Said second web joint is connected through second spring with the 3rd web joint; Said second web joint is connected through bolt with said substrate, and screw rod one end of said bolt passes said substrate and is connected with the adjustment nut, and said fixture block is connected on said the 3rd web joint.
4. the instrument that is used for charged loading and unloading fault indicator according to claim 3 is characterized in that, is arranged with the 3rd spring on the said bolt between the said substrate and second web joint.
5. according to each described instrument that is used for charged loading and unloading fault indicator among the claim 1-4; It is characterized in that; Said tool body comprises columned first body and funnelform second body; Offer cylindric first chamber in said first body, offer columned second chamber in said second body, the diameter of said first chamber is greater than the diameter of said second chamber.
6. the instrument that is used for charged loading and unloading fault indicator according to claim 5 is characterized in that, said tool body is formed through the securing member butt joint by two parts symmetrical.
7. the instrument that is used for charged loading and unloading fault indicator according to claim 6 is characterized in that, said first body and second body of said tool body are formed in one.
8. according to claim 1,2,3,4, the 6 or 7 described instruments that are used for charged loading and unloading fault indicator, it is characterized in that said stage clip is installed on the bottom of said chamber through the pedestal of being processed by insulating material.
9. the instrument that is used for charged loading and unloading fault indicator according to claim 8 is characterized in that the free end of said connector is provided with screw thread.
10. the instrument that is used for charged loading and unloading fault indicator according to claim 5; It is characterized in that; Said two support arms are symmetricly set on the edge of said tool body upper end and extend downward the both sides of said tool body, and the position from said vestibule on the lateral surface of said two support arms offers groove to said grab direction and said connector direction respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201828942U CN202166662U (en) | 2011-06-01 | 2011-06-01 | Tool used for assembling and disassembling circuit fault indicator with power on |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201828942U CN202166662U (en) | 2011-06-01 | 2011-06-01 | Tool used for assembling and disassembling circuit fault indicator with power on |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202166662U true CN202166662U (en) | 2012-03-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201828942U Expired - Fee Related CN202166662U (en) | 2011-06-01 | 2011-06-01 | Tool used for assembling and disassembling circuit fault indicator with power on |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202166662U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022456A (en) * | 2014-06-11 | 2014-09-03 | 国家电网公司 | Tool special for replacing failure addressing instrument |
| CN104166074A (en) * | 2014-08-07 | 2014-11-26 | 上海萌烨电力科技有限公司 | Current data collecting device for electric transmission line |
| CN104198892A (en) * | 2014-09-16 | 2014-12-10 | 国家电网公司 | Electrical installation tool for overhead line fault indicators |
| CN106025888A (en) * | 2016-07-19 | 2016-10-12 | 国家电网公司 | 10-220kV multifunctional insulating operating rod |
| CN104198892B (en) * | 2014-09-16 | 2017-01-04 | 国家电网公司 | Fault indicator for overhead lines Electrified installation tool |
| CN111064117A (en) * | 2019-12-06 | 2020-04-24 | 国网北京市电力公司 | Overhead transmission line rat trap formula shunt subassembly |
-
2011
- 2011-06-01 CN CN2011201828942U patent/CN202166662U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104022456A (en) * | 2014-06-11 | 2014-09-03 | 国家电网公司 | Tool special for replacing failure addressing instrument |
| CN104022456B (en) * | 2014-06-11 | 2017-02-15 | 国家电网公司 | Tool special for replacing failure addressing instrument |
| CN104166074A (en) * | 2014-08-07 | 2014-11-26 | 上海萌烨电力科技有限公司 | Current data collecting device for electric transmission line |
| CN104166074B (en) * | 2014-08-07 | 2017-04-12 | 上海萌烨电力科技有限公司 | Current data collecting device for electric transmission line |
| CN104198892A (en) * | 2014-09-16 | 2014-12-10 | 国家电网公司 | Electrical installation tool for overhead line fault indicators |
| CN104198892B (en) * | 2014-09-16 | 2017-01-04 | 国家电网公司 | Fault indicator for overhead lines Electrified installation tool |
| CN106025888A (en) * | 2016-07-19 | 2016-10-12 | 国家电网公司 | 10-220kV multifunctional insulating operating rod |
| CN111064117A (en) * | 2019-12-06 | 2020-04-24 | 国网北京市电力公司 | Overhead transmission line rat trap formula shunt subassembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120314 Termination date: 20120601 |