CN104253323A - Ground wire operation device - Google Patents
Ground wire operation device Download PDFInfo
- Publication number
- CN104253323A CN104253323A CN201410415051.0A CN201410415051A CN104253323A CN 104253323 A CN104253323 A CN 104253323A CN 201410415051 A CN201410415051 A CN 201410415051A CN 104253323 A CN104253323 A CN 104253323A
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- CN
- China
- Prior art keywords
- sleeve pipe
- chuck
- loop bar
- wire clamp
- chucks
- Prior art date
- 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.)
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Abstract
The invention provides a ground wire operation device, which is mainly applied to ground wire hooking and disassembling in an electric system. The ground wire operation device comprises a wire clamp and a ground wire rod, wherein the wire clamp and the ground wire rod are in detachable connection; the wire clamp comprises two chucks which are mutually in adapter coupling; a spring used for enabling the parts, which are used for clamping leads, on the two chucks, to mutually approach is arranged between the chucks; one chuck is provided with a pull rod in an adapter coupling way; one end of the spring is connected to the pull rod; the other end of the spring is connected with the other chuck; a first positioning structure is arranged between the pull rod and the chuck on which the pull rod is arranged; a clamping structure is arranged between the two chucks; the ground wire rod comprises a casing pipe and a loop bar, wherein the top end of the loop bar is provided with a grabbing structure; a second positioning structure is arranged between the casing pipe and the loop bar; the second positioning structure comprises a hole slot structure arranged on the loop bar, and a clamping element arranged on the casing pipe. The wire clamp and the ground wire rod of the ground wire operation device are in detachable connection, and have the advantages of reasonable structure and higher convenience in installing and disassembling.
Description
The divisional application of patent application of the present invention to be invention and created name the be patent of invention of " earth connection operating means ", the applying date of original application is on August 8th, 2013, and application number is 2013103439603.
Technical field
The present invention relates to mounting in electric power system, dismounting earth connection field, be specifically related to a kind of earth connection operating means.
Background technology
Lead-type earthing wire clip and the grounding wire pole of existing mounting, dismounting earth connection mostly are fixed installation, non-dismountable, access inconvenient and need larger parking space.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of earth connection operating means, wire clamp and grounding wire pole for removably connecting, install, dismantle more convenient.
For solving above-mentioned existing technical problem, the present invention adopts following scheme: a kind of earth connection operating means, comprise for the wire clamp of clamping wires and the grounding wire pole that is connected with wire clamp, wire clamp and grounding wire pole are for removably connecting, wire clamp comprises two chucks mutuallyyed transfer, the spring for making the part of clamping wires on two chucks close to each other is provided with between two chucks, on one of them chuck, switching has pull bar, spring one end is connected on pull bar, the other end is connected with another chuck, the location structure I for making the two relative positioning is provided with between pull bar and the chuck at its place, be provided with between two chucks and two chucks can be stoped close to each other and the retaining structure of blocked state can be removed under external force.
As preferably, location structure I is the shank of switching on the chuck of pull bar place, pull bar is provided with clasp joint portion I, and shank is provided with clasp joint portion II, shank by clasp joint portion II and the clasp joint portion I on pull bar coordinate be hooked on together with realize making pull bar and pull bar place chuck relative positioning.
As preferably, retaining structure comprises the connecting rod of switching wherein on a chuck and the card-bit part be located on another chuck, described connecting rod rides on card-bit part, described connecting rod is provided with draw-in groove towards the one side of card-bit part, and described connecting rod is stuck in by draw-in groove that card-bit part to realize prevention two chucks close to each other.
As preferably, grounding wire pole comprises sleeve pipe and is set in also can along the loop bar of the axial reciprocating movement of sleeve pipe in sleeve pipe, loop bar top is provided with the grip structure for grasping wire clamp, when loop bar moves along the axial reciprocating of sleeve pipe, grip structure can leave thereupon or enter sleeve pipe, grip structure to enter in the process of sleeve pipe sleeve constraint gradually to wire clamp close also the most at last wire clamp grip.
As preferably, grip structure comprises the cup being located at loop bar top and the corpus unguis be flexibly connected with cup, cup hollow and open top, cup sidewalls is provided with through hole, the switching of corpus unguis one end in the through hole of cup, the other end to enter in the process of sleeve pipe the constraint of corpus unguis sleeve at cup and to draw close to wire clamp via through hole and grip with the wire clamp realized in cup.
As preferably, be provided with for driving loop bar along the operating structure of the axial reciprocating movement of sleeve pipe between sleeve pipe and loop bar, operating structure comprises and is located at elongated hole on sleeve side walls I and is located on loop bar and the action bars passed from elongated hole I.
As preferably, be provided with for making the location structure II interfixed between sleeve pipe and loop bar between sleeve pipe and loop bar, location structure II comprises the hole slot structure be located on loop bar and the card-bit part be located on sleeve pipe, and card-bit part makes to interfix between sleeve pipe and loop bar by snapping in hole slot structure.
As preferably, hole slot structure comprises and is located at elongated hole on loop bar and is located at gross porosity loop bar being positioned at and being communicated with above elongated hole and with elongated hole, card-bit part comprises the thin axle be located in elongated hole and the thick axle be connected with thin axle, thick aperture axis is less than or equal to the aperture of gross porosity and is greater than the aperture of elongated hole, thick axle is from sleeve outer wall threading, and thin axle is connected in the part in thick axle threading.
As preferably, thin axle passes sleeve pipe away from one end of thick axle, and sleeve outer wall is provided with and covers on thick axle and expose cover body in the part of sleeve pipe, is provided with and has the spring I of thick axle top from cover body trend between cover body and thick axle.
As preferably, be provided with between sleeve pipe and loop bar and have the spring II of cover masthead from sleeve pipe trend.
Beneficial effect:
A kind of earth connection operating means that the present invention adopts technique scheme to provide, wire clamp and grounding wire pole for removably connecting, install, dismantle more convenient.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of wire clamp in the present invention;
Fig. 3 is the structural representation of left chuck in the present invention;
Fig. 4 is the cutaway view at A-A place in Fig. 3;
Fig. 5 is partial sectional view when clasp joint portion I is not connected with clasp joint portion II in the present invention;
Fig. 6 is partial sectional view when clasp joint portion I and clasp joint portion II are interconnected in the present invention;
Fig. 7 is left view when clasp joint portion I and clasp joint portion II are interconnected in the present invention;
Fig. 8 is cutaway view of the present invention;
Fig. 9 is partial structurtes schematic diagram of the present invention.
Embodiment
As shown in Figure 1 to 9, a kind of earth connection operating means, comprise for the wire clamp of clamping wires and the grounding wire pole that is connected with wire clamp, wire clamp and grounding wire pole are for removably connecting, wire clamp comprises two chucks mutuallyyed transfer 1, the spring 2 for making the part of clamping wires on two chucks (namely two grips live the position with conductive contact after wire) close to each other is provided with between two chucks, on one of them chuck 1, switching has pull bar 3, spring 2 one end is connected on pull bar 3, the other end is connected with another chuck 1, the location structure I for making the two relative positioning is provided with between the chuck 1 at pull bar 3 and its place, be provided with between two chucks and two chucks 1 can be stoped close to each other and the retaining structure of blocked state can be removed under external force.
Preferred orientation structure I is the shank 5 of switching on pull bar 3 place chuck 1, pull bar 3 is provided with clasp joint portion I 31, shank 5 is provided with clasp joint portion II 51, shank 5 by clasp joint portion II 51 and the clasp joint portion I 31 on pull bar 3 coordinate be hooked on together with realize making pull bar 3 and pull bar 3 place chuck 1 relative positioning.
Preference card bit architecture comprises the connecting rod 4 of switching wherein on a chuck 1 and the card-bit part 12 be located on another chuck 1, described connecting rod 4 rides on card-bit part 12, described connecting rod 4 is provided with draw-in groove 41 towards the one side of card-bit part 12, and described connecting rod 4 is stuck in by draw-in groove 41 that card-bit part 12 to realize prevention two chucks 1 close to each other.Connecting rod 4 is provided with limit guide rail 42, and card-bit part 12 is arranged in limit guide rail 42, and draw-in groove 41 is arranged in the interior sidewall surface of limit guide rail 42, and preferred card-bit part 12 is axis, and limit guide rail 42 can be long guide groove or long through-hole.
Two chuck 1 tops are mutuallyyed transfer by bearing pin 6, have at least in two chucks on a chuck 1 and be provided with dismountable pressing plate towards the side of another chuck 1, preferred each chuck 1 is equipped with dismountable pressing plate towards the side of another chuck 1, by increasing between two chucks or removing pressing plate, space adjustable between two chucks 1, the wire of different-diameter can be clamped, preferred chuck 1 is connected by bolt or screw with between pressing plate, the connecting wing 111 that preferred pressing plate comprises body 11 and is arranged on body 11, preferred body 11 and connecting wing 111 are structure as a whole, chuck 1 is connected by bolt or screw with the upper connecting wing 111 be located on this chuck 1, the wall that preferred body 11 deviates from connecting wing 111 side on it is curved surface, curved surface and wire contoured fit, left pressing plate and wire is made to be that face contacts, contact resistance is little, through-current capability is strong, can by reliable for big current short circuit grounding, ensure the person, device security.
In the present embodiment, the chuck 1 that pull bar 3 is transferred is provided with axle I 71, and pull bar 3 is provided with the through hole for making axle I 71 pass, and pull bar 3 realizes transferring with this chuck by being set on axle I 71; The chuck 1 be connected with spring is provided with axle II 72, and spring 2 is hooked on axle II 72; Pull bar 3 place chuck is provided with axle V 74, shank 5 lower end is provided with the through hole that axle V 74 is passed, shank 5 realizes switching on the chuck of pull bar 3 place by being set on axle V 74, the chuck that connecting rod 4 is transferred is provided with axle III 73, connecting rod 4 one end is provided with the hole that axle III 73 is passed, and connecting rod 4 realizes switching on this chuck by being set on axle III 73.Two chucks 1 are equipped with cavity, cavity on the chuck 1 of transferring with pull bar 3 runs through this chuck 1 towards the side of another chuck 1 and offside thereof, the cavity hatch of another chuck 1 is towards the side of the chuck 1 of transferring with pull bar 3, axle I 71, axle II 72, axle III 73, that axle V 74 and card-bit part are preferably threaded with respective place chuck and run through screw or the bolt of the cavity of respective place chuck, in axle I 71 part of transferring in the middle part of pull bar 3 in the cavity of its place chuck 1, upper end is connected with spring 2, lower end is exposed outside this chuck 1, clasp joint portion I 31 is located at the end in part that pull bar 3 exposes outside this chuck 1, in the cavity of the chuck 1 that the switching of shank 5 lower end is transferred at pull bar 3, upper end extend out to outside this chuck 1, clasp joint portion II 51 is located at shank 5 and extend out to end in the outer part of this chuck 1, the switching of connecting rod 4 right-hand member is in the cavity of its chuck 1 of transferring, left end stretches in the cavity of another chuck 1, limit guide rail 42 is long through-hole, card-bit part 12 is for running through the axis of long through-hole, draw-in groove 41 be located at be positioned at limit guide rail 42 in limit guide rail 42 roof on, shank 5 is connected with draw ring 76, draw ring 76 is connected with stay cord 77.
Grounding wire pole comprises sleeve pipe and is socketed in also can along the loop bar 9 of the axial reciprocating movement of sleeve pipe in sleeve pipe, preferred sleeve pipe is by bottom tube 83, tube connector I 85, upper pipe 84 and push pipe 86 are socketed to form from bottom to top successively, the bottom of bottom tube 83 is provided with rubber handle, preferred loop bar 9 is docked by some sections of connector bars and forms, dismounting, deposit more convenient, loop bar 9 top is provided with the grip structure for grasping wire clamp, when loop bar 9 moves along the axial reciprocating of sleeve pipe, grip structure can leave thereupon or enter sleeve pipe, grip structure to enter in the process of sleeve pipe sleeve constraint gradually to wire clamp close also the most at last wire clamp grip.
Preferred grip structure comprises the cup 92 being located at loop bar 9 top and the corpus unguis 91 be flexibly connected with cup 92, cup 92 hollow and open top, cup 92 sidewall is provided with through hole 921, the switching of corpus unguis 91 one end is at through hole 921 place of cup 92, when grasping wire clamp, a chuck (chuck on the right) of wire clamp is placed in cup 92, the other end of corpus unguis 91 to enter in the process of sleeve pipe the constraint of corpus unguis 91 sleeve at cup 92 and to draw close to wire clamp via through hole and grip with the collet segment realized in cup 92, preferred corpus unguis 91 is 4, 4 corpus unguis 91 are distributed on cup 92, preferred corpus unguis 91 is provided with protruding 911 to one end that wire clamp is drawn close towards the side of wire clamp, to enter in the process of sleeve pipe the constraint of corpus unguis 91 sleeve to draw close to compare to wire clamp can support jail on wire clamp at grip structure, further preferably, wire clamp is provided with chuck or draw-in groove 101 that the projection 911 of corpus unguis 91 is snapped in, after wire clamp grips by grip structure, wire clamp not easily comes off from grip structure like this.
Be provided with for driving loop bar 9 along the operating structure of the axial reciprocating movement of sleeve pipe between sleeve pipe and loop bar 9, operating structure comprises and is located at elongated hole on sleeve side walls I 81 and is located on loop bar 9 and the action bars 93 passed from elongated hole I, and during pull joystick 93, action bars 93 drives loop bar 9 to move along the axial reciprocating of sleeve pipe.Preferred elongated hole I is located on tube connector I 85, and the length direction of preferred elongated hole I is consistent with the axial direction of tube connector I 85.Sleeve outer wall is fixed with fixed lever 87, holds fixed lever 87 and action bars 93 during pull joystick 93 then firmly.Preferred operations bar 93 is threaded with loop bar 9.
Be provided with for making the location structure II interfixed between sleeve pipe and loop bar 9 between sleeve pipe and loop bar 9, location structure II comprises the hole slot structure be located on loop bar 9 and the card-bit part be located on sleeve pipe, and card-bit part makes to interfix between sleeve pipe and loop bar 9 by snapping in hole slot structure.Hole slot structure comprises and is located at elongated hole 94 on loop bar 9 and is located at the gross porosity 95 loop bar 9 being positioned at and being communicated with above elongated hole 94 and with elongated hole 94, card-bit part comprises the thin axle 97 be located in elongated hole 94 and the thick axle 96 be connected with thin axle 97, thick axle 96 aperture is less than or equal to the aperture of gross porosity 95 and is greater than the aperture of elongated hole 94, thick axle 96 is from sleeve outer wall threading, and thin axle 97 is connected in the part in thick axle 96 threading.Thin axle 97 passes sleeve pipe away from one end of thick axle 96, and sleeve outer wall is provided with and covers on thick axle 96 and expose cover body 98 in the part of sleeve pipe, is provided with the spring I 99 having and to be pushed up by thick axle 96 from cover body 98 trend between cover body 98 and thick axle 96.One end that thin axle exposes sleeve pipe is provided with nut 971.The spring II 82 having and to be pushed up by loop bar 9 from sleeve pipe trend is provided with between sleeve pipe and loop bar 9.Sleeve pipe is provided with neck part 88, neck part 88 is located on push pipe 86, it is consistent with cup 92 that push pipe 86 is positioned at neck part more than 88 partial contour, spring II 82 is set in that on loop bar 9 and lower end is against neck part upper end, upper end is against bottom cup 92, loop bar 9 is positioned at the nut 90 being provided with gear effect below neck part 88.
Before use, the cup 92 of grounding wire pole is exposed to outside push pipe 86 this structure under spring II 82 acts on, when hanging earth connection, pull bar 3 first pull bar 3 pressure is made to make together with clasp joint portion I 31 is hooked on the clasp joint portion II 51 of shank 5, now spring 2 is in extended state, then breaking two chuck 1 to card-bit parts 12 into two with one's hands snaps in draw-in groove 41, then the bottom 10 of a wire clamp chuck is stretched in cup 92, the bottom 10 of this chuck is provided with chuck or draw-in groove 101, pull joystick 93 is close to fixed lever 87, cup 92 enters in push pipe 86 downwards, in the process that cup 92 enters in push pipe 86, corpus unguis 91 is retrained to rotate by push pipe 86 and to enter in cup 92 through the through hole 921 of cup 92 sidewall and to be finally stuck in chuck or draw-in groove 101 place of the bottom 10 of chuck, now chuck is clamped, wire clamp is fixed on action bars, gross porosity 95 now on loop bar 9 is just in thick axle 96 axially, thick axle 96 heads in gross porosity 95 and sleeve pipe and loop bar 9 is interfixed by spring I 99, then be suspended on wire with grounding wire pole by wire clamp, now wire to hang between two chucks and contacts with connecting rod, pulls grounding wire pole, wire is by connecting rod jack-up, card-bit part 12 departs from draw-in groove 41, and two chucks are by conductor clamping under the pulling force effect of spring, and hanging earthing conductor operation terminates, when removing earth connection, pull stay cord 77, shank 5 rotates and makes clasp joint portion II 51 depart from clasp joint portion I 31, and now spring 2 is replied, and two chucks unclamp, grounding wire pole is upwards lifted wire is departed between two chucks, dismounting ground wire operation terminates, and when needs unload drop wire clip, presses one end that thin axle 97 exposes sleeve pipe and makes thick axle 96 exit gross porosity 95, cup 92 moves upward and is exposed to outside push pipe 86 under spring II 82 acts on, and corpus unguis 91 unclamps wire clamp.
In this structure, when clamping the wire of minor diameter model, pressing plate only all need being installed on one or two chuck, when clamping the wire of major diameter model, only the pressing plate on one or two chuck need being pulled down, more convenient.
Claims (6)
1. an earth connection operating means, comprise for the wire clamp of clamping wires and the grounding wire pole that is connected with wire clamp, described wire clamp and grounding wire pole are for removably connecting, it is characterized in that: described wire clamp comprises two chucks mutuallyyed transfer (1), the spring (2) for making the part of clamping wires on two chucks close to each other is provided with between two chucks, the upper switching of one of them chuck (1) has pull bar (3), described spring (2) one end is connected on pull bar (3), the other end is connected with another chuck (1), the location structure I for making the two relative positioning is provided with between the chuck (1) at described pull bar (3) and its place, be provided with between two chucks and two chucks (1) can be stoped close to each other and the retaining structure of blocked state can be removed under external force, described grounding wire pole comprises sleeve pipe and is set in also can along the loop bar (9) of the axial reciprocating movement of sleeve pipe in sleeve pipe, described loop bar (9) top is provided with the grip structure for grasping wire clamp, when described loop bar (9) moves along the axial reciprocating of sleeve pipe, grip structure can leave thereupon or enter sleeve pipe, described grip structure to enter in the process of sleeve pipe sleeve constraint gradually to wire clamp close also the most at last wire clamp grip, be provided with for making the location structure II interfixed between sleeve pipe and loop bar (9) between described sleeve pipe and loop bar (9), described location structure II comprises the hole slot structure be located on loop bar (9) and the card-bit part be located on sleeve pipe, described card-bit part makes to interfix between sleeve pipe and loop bar (9) by snapping in hole slot structure.
2. a kind of earth connection operating means according to claim 1, it is characterized in that: described location structure I is the shank (5) of switching on pull bar (3) place chuck (1), described pull bar (3) is provided with clasp joint portion I (31), described shank (5) is provided with clasp joint portion II (51), described shank (5) by clasp joint portion II (51) and the clasp joint portion I (31) on pull bar (3) coordinate be hooked on together with realize making pull bar (3) and pull bar (3) place chuck (1) relative positioning.
3. a kind of earth connection operating means according to claim 1, it is characterized in that: described retaining structure comprises the connecting rod (4) of switching wherein on a chuck (1) and the card-bit part (12) be located on another chuck (1), described connecting rod (4) rides on card-bit part (12), described connecting rod (4) is provided with draw-in groove (41) towards the one side of card-bit part (12), and described connecting rod (4) is stuck in by draw-in groove (41) that card-bit part (12) to realize prevention two chucks (1) close to each other.
4. a kind of earth connection operating means according to claim 1, it is characterized in that: described grip structure comprises the cup (92) being located at loop bar (9) top and the corpus unguis (91) be flexibly connected with cup (92), described cup (92) hollow and open top, described cup (92) sidewall is provided with through hole (921), the switching of described corpus unguis (91) one end is at through hole (921) place of cup (92), the other end to enter in the process of sleeve pipe the constraint of corpus unguis (91) sleeve at cup (92) and to draw close to wire clamp via through hole and grip with the wire clamp realized in cup (92).
5. a kind of earth connection operating means according to claim 1, it is characterized in that: described hole slot structure comprises the elongated hole (94) be located on loop bar (9) and is positioned at elongated hole (94) top and the gross porosity (95) be communicated with elongated hole (94) with being located on loop bar (9), described card-bit part comprises the thin axle (97) be located in elongated hole (94) and the thick axle (96) be connected with thin axle (97), described thick axle (96) aperture is less than or equal to the aperture of gross porosity (95) and is greater than the aperture of elongated hole (94), described thick axle (96) is from sleeve outer wall threading, described thin axle (97) is connected in the part in thick axle (96) threading.
6. a kind of earth connection operating means according to claim 5, it is characterized in that: described thin axle (97) passes sleeve pipe away from one end of thick axle (96), described sleeve outer wall is provided with and covers on thick axle (96) and expose cover body (98) in the part of sleeve pipe, is provided with and has the spring I (99) of thick axle (96) top from cover body (98) trend between described cover body (98) and thick axle (96).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415051.0A CN104253323B (en) | 2013-08-08 | 2013-08-08 | A kind of earth lead operation device |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410415051.0A CN104253323B (en) | 2013-08-08 | 2013-08-08 | A kind of earth lead operation device |
| CN201310343960.3A CN103441349B (en) | 2013-08-08 | 2013-08-08 | Operating device for grounding wire |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310343960.3A Division CN103441349B (en) | 2013-08-08 | 2013-08-08 | Operating device for grounding wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104253323A true CN104253323A (en) | 2014-12-31 |
| CN104253323B CN104253323B (en) | 2016-08-17 |
Family
ID=52188005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410415051.0A Active CN104253323B (en) | 2013-08-08 | 2013-08-08 | A kind of earth lead operation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104253323B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585069A (en) * | 2020-05-29 | 2020-08-25 | 广船国际有限公司 | Boats and ships earth connection connecting device |
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|---|---|---|---|---|
| US3850490A (en) * | 1973-10-25 | 1974-11-26 | Protectoseal Co | Grounding clamping lever |
| WO1997017740A1 (en) * | 1995-11-09 | 1997-05-15 | Ragnar Stålskog AB | Clamping device |
| WO1998045895A1 (en) * | 1997-04-09 | 1998-10-15 | Ets Frenehard Et Michaux | Direct boring ground rod, process for its manufacture, and self-locking lug for connecting notably this rod to an electrical conductor |
| CN201611697U (en) * | 2010-03-19 | 2010-10-20 | 智勇军 | Electric earth wire operating rod |
| CN201812956U (en) * | 2010-06-28 | 2011-04-27 | 河南省电力公司平顶山供电公司 | Portable grounding wire clip for line repair |
| CN201853828U (en) * | 2010-09-30 | 2011-06-01 | 山东电力集团公司东营供电公司 | Vertically grounding device for lead in GIS (gas insulated switchgear) bushing |
| CN201910499U (en) * | 2011-01-05 | 2011-07-27 | 山东电力集团公司超高压公司 | Special telescopic insulation grounding rod for ultrahigh voltage transmission lines |
| CN202906345U (en) * | 2012-10-19 | 2013-04-24 | 沧州供电公司 | Electric power system safety ground wire device |
| CN203351785U (en) * | 2013-08-08 | 2013-12-18 | 国家电网公司 | Ground wire operating device |
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2013
- 2013-08-08 CN CN201410415051.0A patent/CN104253323B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3850490A (en) * | 1973-10-25 | 1974-11-26 | Protectoseal Co | Grounding clamping lever |
| WO1997017740A1 (en) * | 1995-11-09 | 1997-05-15 | Ragnar Stålskog AB | Clamping device |
| WO1998045895A1 (en) * | 1997-04-09 | 1998-10-15 | Ets Frenehard Et Michaux | Direct boring ground rod, process for its manufacture, and self-locking lug for connecting notably this rod to an electrical conductor |
| CN201611697U (en) * | 2010-03-19 | 2010-10-20 | 智勇军 | Electric earth wire operating rod |
| CN201812956U (en) * | 2010-06-28 | 2011-04-27 | 河南省电力公司平顶山供电公司 | Portable grounding wire clip for line repair |
| CN201853828U (en) * | 2010-09-30 | 2011-06-01 | 山东电力集团公司东营供电公司 | Vertically grounding device for lead in GIS (gas insulated switchgear) bushing |
| CN201910499U (en) * | 2011-01-05 | 2011-07-27 | 山东电力集团公司超高压公司 | Special telescopic insulation grounding rod for ultrahigh voltage transmission lines |
| CN202906345U (en) * | 2012-10-19 | 2013-04-24 | 沧州供电公司 | Electric power system safety ground wire device |
| CN203351785U (en) * | 2013-08-08 | 2013-12-18 | 国家电网公司 | Ground wire operating device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111585069A (en) * | 2020-05-29 | 2020-08-25 | 广船国际有限公司 | Boats and ships earth connection connecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104253323B (en) | 2016-08-17 |
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