CN104409884B - The short-circuit grounding device that safety is preferable and stroke is shorter - Google Patents
The short-circuit grounding device that safety is preferable and stroke is shorter Download PDFInfo
- Publication number
- CN104409884B CN104409884B CN201410683109.XA CN201410683109A CN104409884B CN 104409884 B CN104409884 B CN 104409884B CN 201410683109 A CN201410683109 A CN 201410683109A CN 104409884 B CN104409884 B CN 104409884B
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- China
- Prior art keywords
- holding rod
- module
- wire clamp
- conductor wire
- expansion link
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 239000004020 conductor Substances 0.000 claims abstract description 42
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000004826 seaming Methods 0.000 claims description 16
- 238000007373 indentation Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
- H01R11/12—End pieces terminating in an eye, hook, or fork
- H01R11/14—End pieces terminating in an eye, hook, or fork the hook being adapted for hanging on overhead or other suspended lines, e.g. hot line clamp
- H01R11/15—Hook in the form of a screw clamp
Abstract
The invention discloses the short-circuit grounding device that a kind of safety is preferable and stroke is shorter.This device includes conductor wire end wire clamp and holding rod.Conductor wire end wire clamp includes a pair clamping plate being provided with arc occlusion by axis of rotation connection and top.Described conductor wire end wire clamp afterbody is provided with module.Described to module is provided with movable nut.Movable nut is connected with to module activities, can lateral rotation and slip in module.Telescoping mechanism is fixing with movable nut to be connected.Described telescoping mechanism is connected with holding rod.Described holding rod is provided with the operating-controlling mechanism that controllable telescoping mechanism carries out stretching.The invention have the advantage that security performance is high, Artificial Control conductor wire end wire clamp wire be clamped or loosen, thus without the situation producing conductor wire end wire clamp Automatic-falling.
Description
The present invention is Application No. 201210548585.1, filing date December in 2012 18 days, the divisional application of the application for a patent for invention of invention entitled " clutch rotary type short-circuit grounding device ".
Technical field
The present invention relates to a kind of security tool that electric power is overhauled or utensil.Specifically, a kind of clutch rotary type short-circuit grounding device is related to.
Background technology
In existing short-circuit grounding device, earth lead 100 as shown in Fig. 1 is the managing security tools and instruments that power equipment for will have a power failure carries out temporary grounding when overhauling power equipment, its purpose is to discharge the residual charge of power equipment, prevent from sending a telegram here suddenly or closing on the faradism impact of charging equipment and circuit generation, in case major structure becomes the generation of staff's electric shock accidents.Installing earth lead is to transfer power equipment to inspecting state necessary one technical safety measures from running status, and wherein earth lead 100 is made by conductor wire end wire clamp 200 and earth terminal wire clamp 300 is connected with wire and the earth respectively.But, conductor wire end wire clamp of the prior art includes a pair being rotationally connected by rotating shaft 400 and its top is provided with arc and wants the clamping plate 600 of buckling hole 500.This conductor wire end wire clamp only clashes into wire by fine rule 700 in the direction perpendicular with wire by personnel on bar and is turned on, and the expansion link 900 on its electroscopic device 800 does not play the effect supporting conductor wire end wire clamp.Therefore, there is following weak point in this conductor wire end wire clamp: (1) is affected by wind-force and self gravitation (the lightest) thereof due to conductor wire end wire clamp 200, is not only not easy to clamp the operation of wire, the most abnormally dangerous.(2) can only operate in vertical direction, and can not operate in the horizontal direction.Therefore require that vacuum line section (part of path that cannot protect) occurs when circuit strain rod tower installing earth lead 100 with work safety technical measures.(3) wire of a certain cross section model can only be clamped, it is impossible to effective clamping multiple interface wire, especially be not applied for the wire of LGJ-400/35, its poor compatibility.
Later, people have invented a kind of novel short-circuit grounding device, such as application number: CN200820201388, summary: a kind of short-circuit grounding device, security tool during for power equipment is overhauled or utensil, including conductor wire end wire clamp and electroscopic device, conductor wire end wire clamp includes a pair clamping plate being provided with arc articulation port by axis of rotation connection and its top, wherein a clamping plate upper end is convex plate, and the upper end of another clamping plate is the matrix plate matched with convex plate；The medial wall of two clamping plate bottoms is provided with a pair module, and the opposite face of two modules is arranged with a "T"-shaped groove, and the front end of described electroscopic device is provided with the extension bar that the "T"-shaped groove after can merging matches with two modules.It is provided with soft copper guipure in arc articulation port, between soft copper guipure and arc articulation port, is attached with conductive elastomer.Therefore, this structure is the most easy to operate, safety good, and is compatible good grounding device.
But application number: the patent of 200820201388 has the disadvantages that owing to making this short-circuit grounding device to come off by pullling insulating filaments.Therefore, people is when operation, and foot is easy to hook short-circuit grounding device pull avulsion, thus causes contingency.Therefore, electric power transformer substation system specifies, it is desirable to have the short-circuit grounding device of a kind of artificial tightening wire replaces existing technology.
Summary of the invention
The present invention is directed to short-circuit grounding device in prior art the most easily come off, the shortcoming of poor stability, inconvenient operation, it is provided that a kind of safety preferably and the shorter short-circuit grounding device of stroke, to solve the problems referred to above.
The solution of the present invention is by being achieved in that: construct the short-circuit grounding device that a kind of safety is preferable and stroke is shorter, including conductor wire end wire clamp and holding rod.Conductor wire end wire clamp includes a pair clamping plate being provided with arc seaming by axis of rotation connection and top.Described conductor wire end wire clamp afterbody is provided with module.Described to module is provided with movable nut.Movable nut is connected with to module activities, can lateral rotation and slip in module.Telescoping mechanism is fixing with movable nut to be connected.Described telescoping mechanism is connected with holding rod.Described holding rod is provided with the operating-controlling mechanism that controllable telescoping mechanism carries out stretching.
The know-why of the present invention program is: by arranging a telescoping mechanism that can strut conductor wire end wire clamp at the afterbody of conductor wire end wire clamp, by the controllable telescoping mechanism on holding rod, telescoping mechanism is controlled, such principle makes artificial manipulation conductor wire end wire clamp and the clamping of wire and locking, it is to avoid coming off of conductor wire end wire clamp is shone in human error.And movable nut can lateral rotation and slip in module so that during the clamping plate of conductor wire end wire clamp are to conductor clamping, telescoping mechanism can keep balance, will not bend.
In the present invention, described telescoping mechanism includes a pair expansion link, cup, guide and rotation bar.Described guide end is connected with cup.Described rotation bar two ends or entirety are threaded, and its one end is stretched into inside cup, and the other end is arranged on inside guide.Described expansion link one end is threaded or entirety is threaded.Described expansion link one end is connected with described movable nut, and the screw thread on the other end is connected with the screw-threaded engagement rotated on bar.The principle of this telescoping mechanism is: by rotating the rotation of bar so that rotates the screw thread on bar and drives expansion link to move laterally；It is connected owing to expansion link is fixing with movable nut so that while expansion link struts movable nut, the clamping plate of conductor wire end wire clamp gradually draw in, finally can be with conductor clamping.When rotating bar and again rotating, rotate bar by expansion link to medial movement, so that the clamping plate that movable screw hatband moves conductor wire end wire clamp unclamp wire.And in order to preferably realize expansion link Telescopic, the described screw thread lines on a pair expansion link is contrary, so can ensure that when rotation bar rotates, expansion link can move towards.
In the present invention, as further improving, expansion link is indentation.Such design both can make expansion link with traveling nut contact point on the same line, so that will not collide between expansion link, thus reduces and shortens the length of cup and the stroke of expansion link.
In the present invention, described holding rod includes holding rod body.Described operating-controlling mechanism is swing handle.Described holding rod is the most internal is provided with holding rod swingle.Described holding rod swingle end or be integrally provided with screw thread.Holding rod swingle one end is connected with swing handle.Holding rod end is additionally provided with tumbler.Described tumbler is fixing with guide to be connected.Vertically rotating being connected with tumbler of holding rod body.It is provided with clutch gear in described tumbler.Described rotation bar and holding rod swingle are connected with clutch gear engagement respectively.In the present invention, so that preferably pilot end terminal opens or merges, and make it go for the wire of any position, therefore, be provided with swing handle and manipulate rotating bar, and the boom end that is in one's hands is additionally provided with tumbler.Holding rod body is vertically rotating, moves vertically on tumbler.Its principle is by the clutch gear in tumbler, drives to the steering force of holding rod swingle rotate in bar.It addition, clutch gear makes holding rod body move vertically on rotating mechanism becomes possibility, only need to be controlled clutch tooth and rotated bar clutch by the clutch shaft by the clutch gear that is dynamically connected with holding rod, the most operable holding rod moves vertically on body.
In the present invention, as further improving, described cup both sides are additionally provided with scalable side neck.Described side neck is fixing with movable nut to be connected.Main its of side neck strengthens fixation so that structure is more stable so that expansion link need not be made to the thickest, i.e. has the support force enough strutting conductor wire end wire clamp.
In the present invention, as further improving, described to being equipped with a support chip between module and arc seaming.The lower end of two support chips is located in described rotating shaft.A spring it is arranged with in rotating shaft.The two end portions of this spring is resisted against the medial wall of two clamping plate.Wherein the medial wall of clamping plate is provided with a pressure tongue；This pressure tongue is located between rotating shaft and arc seaming；A pressure tongue through hole it is correspondingly provided with on another clamping plate.Using above-mentioned technology, mainly make conductor wire end wire clamp when open configuration, pressure tongue can support wire folder, thus avoids expansion link because of by the sliding tooth of spring force or return.
The prominent substantive distinguishing features of the present invention and marked improvement be: (1) advantages of the present invention security performance is high, Artificial Control conductor wire end wire clamp be clamped wire or loosen, thus without the situation producing conductor wire end wire clamp Automatic-falling.(2) present invention is easy and simple to handle, people only needs hand-held holding rod, rotates swing handle, and wire is clamped by pilot end terminal, holding rod can be decontroled subsequently, carry out the service work of other circuit, additionally, the expansion link used is meander-shaped, the relative expansion link with pure straight line, do not contact between two expansion links so that expansion link entire length shortens, it is simple to the moment design of whole device.(3) work angle can arbitrarily be regulated by the present invention, only need to regulate tumbler, controls clutch gear, the position of regulation holding rod, can change conductor wire end wire clamp operating position, be convenient for people to use.(4) present configuration is simple, and cost of manufacture is low, meets standards for safe use, it is simple to extensively power system promotes the use.
Accompanying drawing explanation
Fig. 1 is the structural representation of the prior art relevant with the present invention.
Fig. 2 is the structural representation of arc seaming open configuration in the embodiment of the present invention 1.
Structural representation when Fig. 3 is arc seaming closed mode in the embodiment of the present invention 1.
Fig. 4 is the internal structure schematic diagram of arc seaming open configuration in the embodiment of the present invention 1.
Internal structure schematic diagram when Fig. 5 is arc seaming closed mode in the embodiment of the present invention 1.
Structural representation when Fig. 6 is that in the embodiment of the present invention 1, holding rod turns to 90 degree.
Fig. 7 is the structural representation of arc seaming open configuration in the embodiment of the present invention 2.
Structural representation when Fig. 8 is arc seaming closed mode in the embodiment of the present invention 2.
Reference in above-mentioned accompanying drawing is as follows: earth lead 100, conductor wire end wire clamp 200, earth terminal wire clamp 300, rotating shaft 400, and arc wants buckling hole 500, clamping plate 600, fine rule 700, electroscopic device 800, expansion link 900；Conductor wire end wire clamp A；Clamping plate 1, arc seaming 2, to module 3, movable nut 4, activity template 5, telescoping mechanism 6, holding rod 7, tumbler 8, clutch gear 9, clutch shaft 10, support chip 11, rotating shaft 12, press tongue 13；Expansion link 6.1, cup 6.2, guide 6.3, rotate bar 6.4, side neck 6.5；Holding rod body 7.1, swing handle 7.2, holding rod swingle 7.3.
Detailed description of the invention
Below in conjunction with drawings and Examples, the short-circuit grounding device that safety of the present invention is preferable and stroke is shorter is described.
(embodiment 1)
As shown in Fig. 2 to Fig. 6, the short-circuit grounding device that the safety of the present embodiment is preferable and stroke is shorter is clutch rotary type short-circuit grounding device, including conductor wire end wire clamp A and holding rod 7.Conductor wire end wire clamp A includes a pair clamping plate 1 being provided with arc seaming 2 by the connection of support chip 11 steering spindle and top.It is wound with spring in support chip 11 rotating shaft 12.The two end portions of spring is resisted against the medial wall of two clamping plate 1.Conductor wire end wire clamp A afterbody is provided with module 3.To module 3 is provided with movable nut 4.Movable nut 4 is connected with the activity template 5 being arranged in module 3 by screw rod.Movable nut 4 can be along screw rod lateral rotation.Activity template 5 can slide in module 3.Telescoping mechanism 6 includes a pair expansion link 6.1, cup 6.2, guide 6.3, rotation bar 6.4, side neck 6.5.Guide 6.3 end is connected with cup 6.2.Side neck 6.5 hollow, it can stretch in cup 6.2, and its one end is fixing with movable whorl 4 to be connected.Rotate bar 6.4 two ends to be threaded.Expansion link 6.1 is set to indentation, its with rotate bar 6.4 contact portion be threaded and with the screw-threaded engagement rotated on bar 6.4.Expansion link 6.1 other end is connected through side neck 6.5 is fixing with movable nut 4.Wherein, the mutual screw thread of a pair expansion link 6.1 is contrary, and such as, the screw thread of one of them expansion link 6.1 is positive pitch thread, then the screw thread of another one contracting bar 6.1 is anti-pitch thread.Holding rod 7 includes holding rod body 7.1, swing handle 7.2, holding rod swingle 7.3.Holding rod 7 end is provided with tumbler 8.Holding rod 7 and tumbler 8 coupling part be one can be vertical activity template so that holding rod 7 can rotate in vertical direction.In tumbler 8, clutch shaft 10 is provided with clutch gear 9.Swing handle 7.2 connects holding rod body 7.1.It is internal that holding rod swingle 7.3 is arranged on connection holding rod body 7.1, and its one end is fixing with swing handle 7.2 to be connected, and the other end is threaded, and it is connected with clutch gear 9 engagement.The one end rotating bar 6.4 is also engaged with clutch gear 9.By pressing clutch shaft 10, so that clutch gear 9 disengages with rotation bar 6.4 and holding rod swingle 7.3.
During operation, arc seaming 2 is directed at wire, only need to rotate swing handle 7.2, the holding rod swingle 7.3 rotation by clutch gear 9, drives rotation bar 6.4 to rotate, so that expansion link 6.1 moves to cup 6.2, thus strut module 3, movable nut 4 rotates with the direction puted forth effort, until tight wire stung by clamping plate 1, clutch rotary type short-circuit grounding device clamping step completes.When needs unclamp clutch rotary type short-circuit grounding device, only need to reversely twist swing handle 7.2 i.e. expansible clamping plate 1, depart from wire and sting tight state.Need according to working condition, when needing the use direction regulating conductor wire end wire clamp A, press clutch shaft 10 so that clutch gear 9 disengages with rotation bar 6.4 and holding rod swingle 7.3, vertical rotation holding rod body 7.1 simultaneously, is adjusted to suitable operating position.
In the present embodiment, the holding rod body 7.1 that used is vertically rotating mainly uses vertical activity template of the prior art, and it can be common plastics matter slide plate.Additionally, rotate bar 6.4 in addition to using the mode of screw-driven, it would however also be possible to employ the mode of gear or turbine and worm carries out transmission.
(embodiment 2)
As shown in Fig. 7 to Fig. 8, it is with embodiment 1 difference: the medial wall of described clamping plate 1 is additionally provided with a pressure tongue 13, and this pressure tongue 13 is located between rotating shaft 12 and arc seaming 2.A pressure tongue through hole it is correspondingly provided with on another clamping plate 1.The effect of this pressure tongue 13 is: when conductor wire end wire clamp A is in open configuration when, and pressure tongue 13 is used for propping up conductor wire end wire clamp A, it is to avoid the power of spring makes expansion link 6.1 move back.When needs unclamp clamping plate 1, when being used as clamping, press tongue 13 contact wire, conductor wire end wire clamp A can be unclamped.Remaining know-why is identical with embodiment 1.
(embodiment 3)
It is with embodiment 1 difference: expansion link 6.1, rotation bar 6.4, holding rod swingle 7.3 entirety are all threaded, and remaining mode of operation is identical with embodiment 1.
Claims (1)
1. the short-circuit grounding device that safety is preferable and stroke is shorter, including conductor wire end wire clamp (A) and holding rod (7)；Conductor wire end wire clamp (A) includes a pair clamping plate (1) being provided with arc seaming (2) by axis of rotation connection and top；It is characterized in that: described conductor wire end wire clamp (A) afterbody is provided with module (3)；Described to module (3) is provided with movable nut (4)；Movable nut (4) is flexibly connected with to module (3), can lateral rotation and slip in module (3)；Telescoping mechanism (6) is fixing with movable nut (4) to be connected；Described telescoping mechanism (6) is connected with holding rod (7)；Described holding rod (7) is provided with the operating-controlling mechanism that controllable telescoping mechanism (6) carries out stretching；
Described telescoping mechanism (6) includes a pair expansion link (6.1), cup (6.2), guide (6.3) and rotates bar (6.4)；Described guide (6.3) end is connected with cup (6.2)；Described rotation bar (6.4) two ends or entirety are threaded, and it is internal that cup (6.2) is stretched in its one end, and it is internal that the other end is arranged on guide (6.3)；Described expansion link (6.1) one end is threaded or entirety is threaded；Described expansion link (6.1) one end is connected with described movable nut (4), and the screw thread on the other end is connected with the screw-threaded engagement rotated on bar (6.4)；
Described to being equipped with a support chip (11) between module (3) and arc seaming (2)；The lower end of two support chips (11) is located in described rotating shaft (12)；Rotating shaft is arranged with a spring on (12)；The two end portions of this spring is resisted against the medial wall of two clamping plate (1)；Wherein the medial wall of clamping plate (1) is provided with a pressure tongue (13)；This pressure tongue (13) is located between rotating shaft (12) and arc seaming (2)；A pressure tongue through hole it is correspondingly provided with on another clamping plate (1)；
Described expansion link (6.1) is indentation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410683109.XA CN104409884B (en) | 2012-12-18 | 2012-12-18 | The short-circuit grounding device that safety is preferable and stroke is shorter |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210548585.1A CN102969585B (en) | 2012-12-18 | 2012-12-18 | Clutch rotating short-circuit grounding device |
| CN201410683109.XA CN104409884B (en) | 2012-12-18 | 2012-12-18 | The short-circuit grounding device that safety is preferable and stroke is shorter |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210548585.1A Division CN102969585B (en) | 2012-12-18 | 2012-12-18 | Clutch rotating short-circuit grounding device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104409884A CN104409884A (en) | 2015-03-11 |
| CN104409884B true CN104409884B (en) | 2016-08-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410683109.XA Expired - Fee Related CN104409884B (en) | 2012-12-18 | 2012-12-18 | The short-circuit grounding device that safety is preferable and stroke is shorter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104409884B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106329172B (en) * | 2016-09-01 | 2018-10-30 | 宁波天弘电力器具有限公司 | Anti-slip ground wire operating lever is adjusted in one kind |
| CN106438901B (en) * | 2016-09-01 | 2018-10-30 | 宁波天弘电力器具有限公司 | A kind of bent revolving power mechanism |
| CN106299760B (en) * | 2016-09-01 | 2018-10-30 | 宁波天弘电力器具有限公司 | One kind helping the anti-slip earthing clamp device of compact form |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201126863Y (en) * | 2007-12-11 | 2008-10-01 | 江苏省电力公司宝应县供电公司 | Dual-purpose short circuit ground wire |
| CN201266690Y (en) * | 2008-10-06 | 2009-07-01 | 何国飞 | Short circuit grounding device |
| CN101826665A (en) * | 2010-04-07 | 2010-09-08 | 辽宁省电力有限公司锦州供电公司 | Ground line device of power transmission line tower and hitching device thereof |
| JP2011244607A (en) * | 2010-05-19 | 2011-12-01 | Chugoku Electric Power Co Inc:The | Danger sign flag mounting device |
-
2012
- 2012-12-18 CN CN201410683109.XA patent/CN104409884B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201126863Y (en) * | 2007-12-11 | 2008-10-01 | 江苏省电力公司宝应县供电公司 | Dual-purpose short circuit ground wire |
| CN201266690Y (en) * | 2008-10-06 | 2009-07-01 | 何国飞 | Short circuit grounding device |
| CN101826665A (en) * | 2010-04-07 | 2010-09-08 | 辽宁省电力有限公司锦州供电公司 | Ground line device of power transmission line tower and hitching device thereof |
| JP2011244607A (en) * | 2010-05-19 | 2011-12-01 | Chugoku Electric Power Co Inc:The | Danger sign flag mounting device |
Also Published As
| Publication number | Publication date |
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| CN104409884A (en) | 2015-03-11 |
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Inventor after: Kong Xiangzhen Inventor after: Zhang Haifeng Inventor after: Qu Guang Inventor after: Kong Qingxiao Inventor after: Zhang Zhijian Inventor after: Sun Junwei Inventor after: Yang Congshu Inventor after: Wang Zhenqiang Inventor after: Yang Bihua Inventor after: Wang Xinke Inventor before: Hu Yan |
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Effective date of registration: 20160708 Address after: 264100 No. 699 industrial and Commercial Street, Muping District, Shandong, Yantai Applicant after: Yantai Muping Power Supply Company of State Grid Shandong Electric Power Company Applicant after: State Grid Corporation of China Address before: 239001 room No. 1, science and technology innovation center, No. 82 West Garden Road, Anhui, Chuzhou, China Applicant before: CHUZHOU HUAZUN ELECTRICAL SCIENCE & TECHNOLOGY CO., LTD. |
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Granted publication date: 20160824 Termination date: 20161218 |