CN203351785U - Ground wire operating device - Google Patents
Ground wire operating device Download PDFInfo
- Publication number
- CN203351785U CN203351785U CN 201320482548 CN201320482548U CN203351785U CN 203351785 U CN203351785 U CN 203351785U CN 201320482548 CN201320482548 CN 201320482548 CN 201320482548 U CN201320482548 U CN 201320482548U CN 203351785 U CN203351785 U CN 203351785U
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- Prior art keywords
- sleeve pipe
- loop bar
- wire clamp
- chuck
- axle
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- Expired - Fee Related
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- 238000000034 method Methods 0.000 claims description 9
- 238000009434 installation Methods 0.000 abstract description 2
- 230000000903 blocking effect Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000994 depressogenic effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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Abstract
The utility model provides a ground wire operating device, which is mainly applied to the hanging and disassembly of ground wires in power system. The ground wire operating device comprises a wire clamp used for clamping a lead, and a ground wire pole connected with the wire clamp, wherein the wire clamp and the ground wire pole are in detachable connection, the wire clamp comprises two clamping heads which are rotationally connected to one another, a spring is arranged between the two clamping head used for making parts which are clamping the lead on the two clamping heads close to each other, one clamping head is rotationally connected with a pull rod, one end of the spring is connected on the pull rod and the other end is connected with the other clamping head, a positioning structure used for allowing the relative positioning of the pull rod and the clamping head on which the pull rod is positioned is arranged between the pull rod and the clamping head, and a position clamping structure is arranged between the two clamping head and is capable of preventing the two clamping heads from getting close to each other and releasing blocking state under the action of an external force. The wire clamp and the ground wire pole of the ground wire operating device are in detachable connection, the structure of the wire clamp and the ground wire pole are reasonable, and the installation and disassembly are convenient.
Description
Technical field
The utility model relates in electric power system and articulates, dismantles the earth connection field, is specifically related to a kind of earth connection operating means.
Background technology
Existingly articulate, dismantle lead-type earthing wire clip and the grounding wire pole that earth connection uses and mostly be fixed installation, non-dismountable, access is inconvenient and need larger parking space.
Summary of the invention
Technical problem to be solved in the utility model is to provide a kind of earth connection operating means, and wire clamp and grounding wire pole, for removably connecting, are installed, dismantle more convenient.
For solving above-mentioned existing technical problem, the utility model adopts following scheme: the earth connection operating means, comprise wire clamp and the grounding wire pole be connected with wire clamp for clamping wires, wire clamp and grounding wire pole are for removably connecting, wire clamp comprises two chucks that mutually transfer, be provided with the mutual close spring of part for making clamping wires on two chucks 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, between the chuck at pull bar and its place, be provided with for making the location structure of the two relative positioning, between two chucks, be provided with can stop two chucks mutually near and the retaining structure that can remove under external force blocked state.
As preferably, location structure is the shank of switching on the chuck of pull bar place, pull bar is provided with clasp joint section I, and shank is provided with clasp joint section II, and shank coordinates together with being hooked on and realizes making pull bar and pull bar place chuck relative positioning by clasp joint section II and clasp joint section I on pull bar.
As preferably, retaining structure comprises the switching connecting rod on chuck and be located at the card-bit part on another chuck therein, 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 on card-bit part and realizes stoping two chucks mutually close by draw-in groove.
As preferably, grounding wire pole comprises sleeve pipe and is set in sleeve pipe and the loop bar that can move along the axial reciprocating of sleeve pipe, the loop bar top is provided with for grasping the grip structure of wire clamp, when loop bar moves along the axial reciprocating of sleeve pipe, grip structure can leave thereupon or enter sleeve pipe, grip structure enter in the process of sleeve pipe gradually by the sleeve pipe constraint to wire clamp near and the most at last wire clamp grip.
As preferably, grip structure comprises the cup that is located at the loop bar top and the corpus unguis be flexibly connected with cup, cup hollow and open top, the cup sidewall is provided with through hole, and corpus unguis one end switching enters corpus unguis quilt cover pipe constraint in the process of sleeve pipe in the through hole of cup, the other end at cup and draws close with realizing the wire clamp by cup and grip to wire clamp via through hole.
As preferably, be provided with the operating structure moved along the axial reciprocating of sleeve pipe for driving loop bar between sleeve pipe and loop bar, operating structure comprises the slotted hole I be located on the sleeve pipe sidewall and is located on loop bar and the action bars passed from the slotted hole I.
As preferably, be provided with the location structure interfixed between sleeve pipe and loop bar for making between sleeve pipe and loop bar, location structure comprises the hole slot structure that is located on loop bar and is located at the card-bit part on sleeve pipe, and card-bit part makes to interfix between sleeve pipe and loop bar by snapping in the hole slot structure.
As preferably, the hole slot structure comprises the elongated hole be located on loop bar and is located on loop bar the gross porosity that is positioned at the elongated hole top and is communicated 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 in the sleeve outer wall threading, and thin axle is connected on the part in thick axle threading.
As preferably, thin axle passes sleeve pipe away from an end of thick axle, and sleeve outer wall is provided with the cover body covered on the part that thick axle exposes sleeve pipe, is provided with between cover body and thick axle and has the spring I from cover body trend by thick axle top.
As preferably, be provided with between sleeve pipe and loop bar and there is the spring II from sleeve pipe trend by the cover masthead.
Beneficial effect:
The utility model adopts technique scheme to provide provides the earth connection operating means, and wire clamp and grounding wire pole, for removably connecting, are installed, dismantle more convenient.
The accompanying drawing explanation
Fig. 1 is structural representation of the present utility model;
The structural representation that Fig. 2 is wire clamp in the utility model;
The structural representation that Fig. 3 is the left chuck of the utility model;
The cutaway view that Fig. 4 is A-A place in Fig. 3;
Fig. 5 is the partial sectional view of clasp joint section I when clasp joint section II is not connected in the utility model;
Fig. 6 is partial sectional view when in the utility model, clasp joint section I and clasp joint section II interconnect;
Fig. 7 is left view when in the utility model, clasp joint section I and clasp joint section II interconnect;
Fig. 8 is cutaway view of the present utility model;
Fig. 9 is partial structurtes schematic diagram of the present utility model.
Embodiment
As shown in Figure 1 to 9, the earth connection operating means, comprise wire clamp and the grounding wire pole be connected with wire clamp for clamping wires, wire clamp and grounding wire pole are for removably connecting, wire clamp comprises two chucks that mutually transfer 1, be provided with the mutual close spring 2 of part (two chucks clamp the position contacted with wire after wire) for making clamping wires on two chucks between two chucks, on one of them chuck 1, switching has pull bar 3, spring 2 one ends are connected on pull bar 3, the other end is connected with another chuck 1, between the chuck 1 at pull bar 3 and its place, be provided with for making the location structure of the two relative positioning, between two chucks, be provided with can stop two chucks 1 mutually near and the retaining structure that can remove under external force blocked state.
The preferred orientation structure is the shank 5 of switching on pull bar 3 place chucks 1, pull bar 3 is provided with clasp joint section I 31, shank 5 is provided with clasp joint section II 51, and shank 5 coordinates together with being hooked on and realizes making pull bar 3 and pull bar 3 place chuck 1 relative positionings by clasp joint section II 51 and clasp joint section I 31 on pull bar 3.
The preference card bit architecture comprises the switching connecting rod 4 on chuck 1 and be located at the card-bit part 12 on another chuck 1 therein, 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 on card-bit part 12 and realizes stoping two chucks 1 mutually close by draw-in groove 41.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 on the interior sidewall surface of limit guide rail 42, and preferably card-bit part 12 is axis, and limit guide rail 42 can be long guide groove or long through-hole.
Two chuck 1 tops mutually transfer by bearing pin 6, in two chucks, have at least on a chuck 1 side towards another chuck 1 be provided with dismountable pressing plate, preferably each chuck 1 is equipped with dismountable pressing plate towards a side of another chuck 1, by increase or remove pressing plate between two chucks, space capable of regulating between two chucks 1, can clamp the wire of different-diameter, preferably between chuck 1 and pressing plate, by bolt or screw, be connected, preferably pressing plate comprises body 11 and is arranged on the connecting wing 111 on body 11, preferably 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 on being located at this chuck 1, the wall that preferred body 11 deviates from connecting wing 111 1 sides on it is curved surface, curved surface coordinates with the wire profile, making left pressing plate and wire is that face contacts, contact resistance is little, through-current capability is strong, can be by the reliable short circuit grounding of large electric current, guarantee the person, device security.
In the present embodiment, on the chuck 1 that pull bar 3 is transferred, be provided with axle I 71, pull bar 3 is provided with the through hole for axle I 71 is passed, and pull bar 3 is realized and this chuck switching 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 chucks are provided with axle V 74, shank 5 lower ends are provided with the through hole that axle V 74 is passed, shank 5 realizes that by being set on axle V 74 switching is on pull bar 3 place chucks, the chuck that connecting rod 4 is transferred is provided with axle III 73, connecting rod 4 one ends are provided with the hole that axle III 73 is passed, and connecting rod 4 realizes that by being set on axle III 73 switching is on this chuck.Be equipped with cavity on two chucks 1, run through a side and the offside thereof of this chuck 1 towards another chuck 1 with the cavity on the chuck 1 of pull bar 3 switching, the cavity hatch of another chuck 1 is towards a side of the chuck 1 with pull bar 3 switchings, axle I 71, axle II 72, axle III 73, axle V 74 and card-bit part be preferably with place chuck separately, be threaded and run through screw or the bolt of the cavity of place chuck separately, on axle I 71 parts of pull bar 3 middle part switchings in the cavity of its place chuck 1, upper end is connected with spring 2, expose outside this chuck 1 lower end, clasp joint section I 31 is located at pull bar 3 and exposes the end on the outer part of this chuck 1, in the cavity of the chuck 1 that shank 5 lower end switchings are transferred at pull bar 3, upper end extend out to outside this chuck 1, clasp joint section II 51 is located at shank 5 and extend out to the end on the outer part of this chuck 1, in the cavity of the chuck 1 that connecting rod 4 right-hand member switchings are transferred at it, 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 is located on the roof that is positioned at limit guide rail 42 in limit guide rail 42, be connected with draw ring 76 on shank 5, be connected with stay cord 77 on draw ring 76.
Grounding wire pole comprises sleeve pipe and is socketed in sleeve pipe and the loop bar 9 that can move along the axial reciprocating of sleeve pipe, preferably 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, preferably loop bar 9 is formed by some sections connector bar docking, dismounting, deposit more convenient, loop bar 9 tops are provided with for grasping the grip structure of 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 enter in the process of sleeve pipe gradually by the sleeve pipe constraint to wire clamp near and the most at last wire clamp grip.
Preferably grip structure comprises the cup 92 that is located at loop bar 9 tops and the corpus unguis 91 be flexibly connected with cup 92, cup 92 hollows and open top, cup 92 sidewalls are provided with through hole 921, corpus unguis 91 1 end switchings are at through hole 921 places of cup 92, while grasping wire clamp, a chuck (chuck on the right) of wire clamp is placed in cup 92, the other end of corpus unguis 91 enters corpus unguis 91 in the process of sleeve pipe at cup 92 and is drawn close to wire clamp with realizing the collet segment by cup 92 and grip via through hole by the sleeve pipe constraint, preferably corpus unguis 91 is 4, 4 corpus unguis 91 are distributed on cup 92, the end that preferably corpus unguis 91 is drawn close to wire clamp is provided with projection 911 towards a side of wire clamp, entering in the process of sleeve pipe corpus unguis 91 at grip structure is drawn close comparison by the sleeve pipe constraint to wire clamp and can support jail on wire clamp, further preferably, wire clamp is provided with Ka Tai or the draw-in groove 101 that the projection 911 that makes corpus unguis 91 snaps in, after grip structure grips wire clamp, wire clamp is difficult for coming off from grip structure like this.
Be provided with the operating structure moved along the axial reciprocating of sleeve pipe for driving loop bar 9 between sleeve pipe and loop bar 9, operating structure comprises the slotted hole I 81 be located on the sleeve pipe sidewall and the action bars 93 that is located on loop bar 9 and passes from the slotted hole I, and during pull joystick 93, action bars 93 drive loop bars 9 move along the axial reciprocating of sleeve pipe.Preferably the slotted hole I is located on tube connector I 85, and preferably the length direction of slotted hole I is consistent with the axial direction of tube connector I 85.Be fixed with fixed lever 87 on sleeve outer wall, hold fixed lever 87 during pull joystick 93 and then action bars 93 firmly gets final product.Preferred operations bar 93 is threaded with loop bar 9.
Be provided with the location structure interfixed between sleeve pipe and loop bar 9 for making between sleeve pipe and loop bar 9, location structure comprises the hole slot structure that is located on loop bar 9 and is located at the card-bit part on sleeve pipe, and card-bit part makes to interfix between sleeve pipe and loop bar 9 by snapping in the hole slot structure.The hole slot structure comprises the elongated hole 94 be located on loop bar 9 and is located on loop bar 9 gross porosity 95 that is positioned at elongated hole 94 tops and is communicated 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 apertures are less than or equal to the aperture of gross porosity 95 and are greater than the aperture of elongated hole 94, thick axle 96 is in the sleeve outer wall threading, and thin axle 97 is connected on the part in thick axle 96 threadings.Thin axle 97 passes sleeve pipe away from an end of thick axle 96, and sleeve outer wall is provided with the cover body 98 covered on the part that thick axle 96 exposes sleeve pipe, is provided with between cover body 98 and thick axle 96 and has the spring I 99 from cover body 98 trend by thick axle 96 tops.The end that thin axle exposes sleeve pipe is provided with nut 971.Be provided with between sleeve pipe and loop bar 9 and there is the spring II 82 from sleeve pipe trend by loop bar 9 tops.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 the above partial contour of neck part 88, spring II 82 is set on loop bar 9 and lower end is against the neck part upper end, upper end is against cup 92 bottoms, is positioned at the nut 90 that neck part 88 belows have been provided with the gear effect on loop bar 9.
Before use, the cup 92 of grounding wire pole is exposed to outside push pipe 86 this structure under 82 effects of spring II, while hanging earth connection, first pull bar 3 is depressed and made together with pull bar 3 makes clasp joint section I 31 and the clasp joint section II 51 of shank 5 is hooked on, now spring 2 is in extended state, then breaking two chucks 1 to card-bit part 12 into two with one's hands snaps in draw-in groove 41, then the bottom 10 of a chuck of wire clamp is stretched in cup 92, the bottom 10 of this chuck is provided with Ka Tai or draw-in groove 101, pull joystick 93 is close to fixed lever 87, cup 92 enters downwards in push pipe 86, in process in cup 92 enters push pipe 86, the through hole 921 that corpus unguis 91 is rotated through cup 92 sidewalls by push pipe 86 constraints enters Ka Tai or draw-in groove 101 places that also finally are stuck in the bottom 10 of chuck in cup 92, now chuck is clamped, wire clamp is fixed on action bars, now the gross porosity 95 on loop bar 9 just be in thick axle 96 axially on, spring I 99 heads into thick axle 96 in gross porosity 95 sleeve pipe and loop bar 9 is interfixed, then with grounding wire pole, wire clamp is suspended on wire, now wire hangs between two chucks and with connecting rod and contacts, and pulls grounding wire pole, wire is by connecting rod jack-up, card-bit part 12 break away from 41, two chucks of draw-in grooves under the pulling force effect of spring by conductor clamping, the hanging earthing conductor EO, while removing earth connection, pull stay cord 77, shank 5 rotates and makes clasp joint section II 51 break away from clasp joint section I 31, and now spring 2 is replied, and two chucks unclamp, grounding wire pole is upwards lifted wire is broken away between two chucks, the dismounting ground wire EO, when needs unload drop wire clip, press the end that thin axle 97 exposes sleeve pipe and make thick axle 96 exit gross porosity 95, cup 92 moves upward and is exposed to outside push pipe 86 under 82 effects of spring II, and corpus unguis 91 unclamps wire clamp.
In this structure, when the wire of clamping minor diameter model, pressing plate only need all be installed on one or two chuck, when the wire of clamping major diameter model, only the pressing plate on one or two chuck need be pulled down, more convenient.
Claims (10)
1. earth connection operating means, comprise wire clamp and the grounding wire pole be connected with wire clamp for clamping wires, described wire clamp and grounding wire pole are for removably connecting, it is characterized in that: described wire clamp comprises two chucks that mutually transfer (1), be provided with the mutual close spring (2) of part for making clamping wires on two chucks between two chucks, the upper switching of one of them chuck (1) has pull bar (3), described spring (2) one ends are connected on pull bar (3), the other end is connected with another chuck (1), between the chuck (1) at described pull bar (3) and its place, be provided with for making the location structure of the two relative positioning, between two chucks, be provided with can stop two chucks (1) mutually near and the retaining structure that can remove under external force blocked state.
2. earth connection operating means according to claim 1, it is characterized in that: described location structure is the shank (5) of switching on pull bar (3) place chuck (1), described pull bar (3) is provided with clasp joint section I (31), described shank (5) is provided with clasp joint section II (51), and described shank (5) coordinates together with being hooked on and realizes making pull bar (3) and pull bar (3) place chuck (1) relative positioning by clasp joint section II (51) and clasp joint section I (31) on pull bar (3).
3. earth connection operating means according to claim 1, it is characterized in that: described retaining structure comprises the switching connecting rod (4) on a chuck (1) and be located at the card-bit part (12) on another chuck (1) therein, 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 the upper realization of card-bit part (12) by draw-in groove (41) and stops two chucks (1) mutually close.
4. according to claim 1 or 2 or 3 described earth connection operating means, it is characterized in that: described grounding wire pole comprises sleeve pipe and is set in sleeve pipe and the loop bar (9) that can move along the axial reciprocating of sleeve pipe, described loop bar (9) top is provided with for grasping the grip structure of 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 enter in the process of sleeve pipe gradually by the sleeve pipe constraint to wire clamp near and the most at last wire clamp grip.
5. earth connection operating means according to claim 4, it is characterized in that: described grip structure comprises the cup (92) that is 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), described corpus unguis (91) one end switchings are located at the through hole (921) of cup (92), the other end enters corpus unguis (91) in the process of sleeve pipe at cup (92) and is drawn close to wire clamp via through hole with realizing the wire clamp by cup (92) and grip by the sleeve pipe constraint.
6. earth connection operating means according to claim 4, it is characterized in that: be provided with the operating structure moved along the axial reciprocating of sleeve pipe for driving loop bar (9) between described sleeve pipe and loop bar (9), described operating structure comprises the slotted hole I (81) be located on the sleeve pipe sidewall and be located at the action bars (93) that loop bar (9) is upper and pass from the slotted hole I.
7. earth connection operating means according to claim 4, it is characterized in that: be provided with the location structure interfixed between sleeve pipe and loop bar (9) for making between described sleeve pipe and loop bar (9), described location structure comprises the hole slot structure that is located on loop bar (9) and is located at the card-bit part on sleeve pipe, and described card-bit part makes to interfix between sleeve pipe and loop bar (9) by snapping in the hole slot structure.
8. earth connection operating means according to claim 7, it is characterized in that: described hole slot structure comprises the elongated hole (94) be located on loop bar (9) and is located on loop bar (9) gross porosity (95) that is positioned at elongated hole (94) top and is communicated with elongated hole (94), 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 in the sleeve outer wall threading, described thin axle (97) is connected on the part in thick axle (96) threading.
9. earth connection operating means according to claim 8, it is characterized in that: described thin axle (97) passes sleeve pipe away from an end of thick axle (96), described sleeve outer wall is provided with the cover body (98) covered on the part that thick axle (96) exposes sleeve pipe, is provided with between described cover body (98) and thick axle (96) and has the spring I (99) from cover body (98) trend by thick axle (96) top.
10. earth connection operating means according to claim 4, is characterized in that: be provided with between described sleeve pipe and loop bar (9) and have the spring II (82) from sleeve pipe trend by loop bar (9) top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320482548 CN203351785U (en) | 2013-08-08 | 2013-08-08 | Ground wire operating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320482548 CN203351785U (en) | 2013-08-08 | 2013-08-08 | Ground wire operating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203351785U true CN203351785U (en) | 2013-12-18 |
Family
ID=49751637
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320482548 Expired - Fee Related CN203351785U (en) | 2013-08-08 | 2013-08-08 | Ground wire operating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203351785U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441349A (en) * | 2013-08-08 | 2013-12-11 | 国家电网公司 | Operating device for grounding wire |
| CN104009368A (en) * | 2014-06-16 | 2014-08-27 | 广东志高空调有限公司 | Pneumatic wire plug-in tool |
| CN104167617A (en) * | 2014-07-31 | 2014-11-26 | 河南省电力公司济源供电公司 | Bus fixed contact grounding device for KYN28 type switch cabinet |
| CN104253323A (en) * | 2013-08-08 | 2014-12-31 | 国家电网公司 | Ground wire operation device |
-
2013
- 2013-08-08 CN CN 201320482548 patent/CN203351785U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103441349A (en) * | 2013-08-08 | 2013-12-11 | 国家电网公司 | Operating device for grounding wire |
| CN104253323A (en) * | 2013-08-08 | 2014-12-31 | 国家电网公司 | Ground wire operation device |
| CN104253323B (en) * | 2013-08-08 | 2016-08-17 | 国家电网公司 | A kind of earth lead operation device |
| CN104009368A (en) * | 2014-06-16 | 2014-08-27 | 广东志高空调有限公司 | Pneumatic wire plug-in tool |
| CN104009368B (en) * | 2014-06-16 | 2015-12-30 | 广东志高空调有限公司 | A kind of pneumatic plug wire frock |
| CN104167617A (en) * | 2014-07-31 | 2014-11-26 | 河南省电力公司济源供电公司 | Bus fixed contact grounding device for KYN28 type switch cabinet |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131218 Termination date: 20200808 |