CN102904081A

CN102904081A - Grounding wire safety operation device in power construction

Info

Publication number: CN102904081A
Application number: CN2012103983636A
Authority: CN
Inventors: 魏汉峰; 王彪; 陈建文; 潘家乐; 郑晓祺; 彭真君; 杨瑞波; 杨名杨; ***; 林晓东; 徐洪福
Original assignee: State Grid Corp of China SGCC; State Grid Hebei Electric Power Co Ltd; Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; State Grid Hebei Electric Power Co Ltd; Cangzhou Power Supply Co of State Grid Hebei Electric Power Co Ltd
Priority date: 2012-10-19
Filing date: 2012-10-19
Publication date: 2013-01-30
Anticipated expiration: 2032-10-19
Also published as: CN102904081B

Abstract

The invention discloses a grounding wire safety operation device in power construction, in order to solve the problems that the working flow is complex and a lead clip is difficult to suspend during the using process of a grounding wire. The grounding wire safety operation device in power construction comprises a grounding end clamping fitting, a lead clip, a loop chain clamping pin, a copper stranded wire, an operation rod, a cross-shaped connector and an electroscope, wherein the grounding end clamping fitting is connected with the lead clip through the copper stranded wire; a loop chain of the loop chain clamping pin is fixed at the tail part of the lead clip; and a clamping pin of the loop chain clamping pin is matched with the grounding end clamping fitting. The grounding wire safety operation device in power construction is characterized in that the lead clip is a firing-pin-type wire clip; a fire pin in the firing-pin-type wire clip is a folded-type firing pin; and the operation rod is assembled with the cross-shaped connector or the electroscope. The grounding wire safety operation device in power construction provided by the invention is suitable for the construction and overhauling of devices with voltage grade of 220kV and below, not only improves the suspending and dismounting operation efficiency with the unique structure, but also relives the labor intensity of working personnel, and guarantees the personal safety of the working personnel.

Description

Earth connection safe operating device in a kind of power construction

Technical field

The present invention relates to the safeguard protection operating means in a kind of transmission line construction, especially a kind ofly be applicable to the operating means that is formed by firing pin type wire clamp and action bars that electricity earthing cable conductor wire end wire clamp is torn extension smoothly open.

Background technology

Along with the in recent years develop rapidly of power grid construction, the electrical network facilities of various places power supply enterprise is constantly perfect, and in electrical network construction or maintenance process, the use of earth connection is increased.And when hanging the conductor end of earth wire operation, traditional way need to be passed to respectively work high above the ground personnel place with electroscope and insulating bar, use respectively two eradication edge action bars to carry out wire electrical verification and earth connection conductor wire end wire clamp suspension work by the work high above the ground personnel, and traditional firing pin type earth connection wire clamp is opened and the closed striker (referring to accompanying drawing 1 and accompanying drawing 2) that supports that all relies on, this striker supporting construction causes wire clamp when articulating, the direction of impact F departs from the closed center line of wire clamp between wire and the striker, very easily cause the wire clamp interlock not in place, can't hang up properly earth connection, incur loss through delay the activity duration.

Summary of the invention

The object of the invention is to the drawback for prior art, earth connection safe operating device in a kind of simple in structure, easy to operate, stable performance, the practical power construction is provided.

Problem of the present invention realizes with following technical proposals:

Earth connection safe operating device in a kind of power construction, it comprises earth terminal jig, wire clamp, loop chain bayonet lock, copper stranded conductor, action bars, cross connector and electroscope, described earth terminal jig is connected copper stranded conductor with wire clamp and connects, the loop chain of described loop chain bayonet lock is fixed on the wire clamp afterbody, the bayonet lock of described loop chain bayonet lock and earth terminal jig coupling, its special feature is: described wire clamp is the firing pin type wire clamp, the inner striker of described firing pin type wire clamp is collapsible striker, and described action bars and cross connector or electroscope are equipped.

Earth connection safe operating device in the above-mentioned power construction, the inner striker of described wire clamp comprises striker I and striker II, described striker I one end is hinged on the caliper of wire clamp right side, and the other end and striker II head are hinged, and described striker II afterbody is provided with the draw-in groove with wire clamp left side caliper coupling.

Earth connection safe operating device in the above-mentioned power construction, liner plate is all installed in afterbody inboard at the left and right caliper of wire clamp, described liner plate lateral surface is provided with cruciform groove, and described cruciform groove and cross connector coupling fixedly mount draw ring at wire clamp afterbody lateral surface.

Earth connection safe operating device in the above-mentioned power construction, described action bars top outer wall is provided with the enclosed type draw ring, the draw ring coupling of described enclosed type draw ring and wire clamp afterbody.

The present invention is owing to take technique scheme, the operating personnel only need use a weighting meter can finish the extension of wire electrical verification and earth connection, tear work open during construction, and can utilize that action bars and electroscope are equipped to carry out whether charged checking work of wire; The present invention is when wire clamp and wire articulate, the closed center line of the direction of impact F and wire clamp is consistent between the collapsible striker of wire clamp inside and the wire, the closed centerline direction of wire and wire clamp is not offset, after the wire clamp closure wire is blocked, can finish smoothly articulating of wire clamp.When conducting wire presss from both sides, first cross connector is replaced by in the termination on the action bars, cross connector is put into the cross recess of wire clamp afterbody, opening wire clamp also supports by hinged striker mechanism, this moment, the afterbody of wire clamp was closed, action bars is connected and fixed by cross connector and wire clamp, after operation librarian use action bars blocks wire with wire clamp, open at the afterbody that is flush-mounted in torsion spring elastic force effect lower wire folder between the caliper of the wire clamp left and right sides, action bars separates with wire clamp.When removing earth connection, at first utilize enclosed type link on the action bars to cooperate with draw ring on the wire clamp wire clamp is taken off from wire, and then dismounting earth terminal jig.The present invention is applicable to construction and the maintenance of 220kV and following electric pressure equipment, and it is with its unique structure, not only improved earth connection extension, tear operating efficiency open, and alleviated operating personnel's labour intensity, guaranteed operating personnel's personal safety.

Description of drawings

The invention will be further described below in conjunction with accompanying drawing.

Schematic diagram when Fig. 1 is wire and traditional firing pin type wire clamp bump;

Structural representation when Fig. 2 is traditional firing pin type wire clamp generation wire clamp interlock situation not in place;

Fig. 3 is composition diagram of the present invention;

Fig. 4 is action bars structural representation when cooperating with wire clamp;

Fig. 5 is action bars structural representation when cooperating with electroscope;

Fig. 6 is the schematic diagram when the firing pin type wire clamp clashes among wire and the present invention;

Fig. 7 is firing pin type wire clamp of the present invention structural representation when closure state;

Fig. 8 is the structural representation of the left and right caliper afterbody of wire clamp of the present invention liner plate;

Fig. 9 is that the present invention's action bars after wire clamp mounts separates schematic diagram with wire clamp;

Schematic diagram when Figure 10 is action bars dismounting wire clamp of the present invention.

Each label is among the figure: 1, wire clamp, 1-1, striker I, 1-2, striker II, 1-3, liner plate, 1-3-1, cruciform groove, 1-4, draw ring, 1-5, torsion spring, 2, the earth terminal jig, 3, copper stranded conductor, 4, action bars, 4-1, enclosed type link, 5, cross connector, 6, electroscope, 7, loop chain bayonet lock, 9, wire.

Embodiment

Referring to Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, Fig. 8, the present invention includes earth terminal jig 2, wire clamp 1, loop chain bayonet lock 7, copper stranded conductor 3, action bars 4, cross connector 5 and electroscope 6, described earth terminal jig 2 is connected with wire clamp by copper stranded conductor 3 connections, the loop chain of described loop chain bayonet lock 7 is fixed on wire clamp 1 afterbody, the bayonet lock of described loop chain bayonet lock and earth terminal jig 2 couplings; Wherein, described wire clamp 1 is the firing pin type wire clamp, the inner striker of described firing pin type wire clamp is collapsible articulated structure striker, it comprises striker I 1-1 and striker II 1-2, described striker I 1-1 one end is hinged on the wire clamp 1 right side caliper, the other end and striker II 1-2 head are hinged, and described striker II 1-2 afterbody is provided with the draw-in groove with wire clamp 1 left side caliper coupling; Liner plate 1-3 is all installed in afterbody inboard at wire clamp 1 left and right caliper, and described liner plate 1-3 lateral surface is provided with cruciform groove 1-3-1, and described cruciform groove 1-3-1 and cross connector 5 couplings are at wire clamp 1 afterbody lateral surface fixed installation draw ring 1-4; Described action bars and cross connector 5 or electroscope 6 are equipped, are provided with enclosed type draw ring 4-1 at action bars 4 head outer walls, the draw ring 1-4 coupling of described enclosed type draw ring 4-1 and wire clamp 1 afterbody.

Referring to Fig. 1～Figure 10, the present invention is applicable to construction and the maintenance of 220kV and following electric pressure equipment.The operating personnel only need use a weighting meter can finish the extension of wire electrical verification and earth connection, tear work open during construction, and can utilize that action bars and electroscope are equipped to carry out whether charged checking work of wire.When the present invention articulates at wire clamp 1 and wire 8, direction and the wire clamp 1 closed center line of impact F are consistent between the collapsible striker of wire clamp 1 inside and the wire 8, wire 8 and wire clamp 1 closed centerline direction are not offset, after the wire clamp closure wire 8 is blocked, can finish smoothly articulating of wire clamp.

Referring to Fig. 9, Figure 10, concrete operation step of the present invention is: one, when conducting wire presss from both sides, first the termination on the action bars 4 is replaced by cross connector 5, cross connector 5 is put into the cross recess 1-3-1 of wire clamp 1 afterbody liner plate 1-3, open wire clamp 1 and pass through collapsible striker support, this moment, the afterbody of wire clamp 1 was closed, action bars 4 is connected and fixed with wire clamp 1 by cross connector 5, after operation librarian use action bars 4 blocks wire 8 with wire clamp 1, open at the afterbody that is flush-mounted in torsion spring 1-5 elastic force effect lower wire folder 1 between the caliper of the wire clamp left and right sides, action bars 4 separates with wire clamp 1.When two, removing earth connection, at first utilize enclosed type link 4-1 on the action bars 4 to cooperate with draw ring 1-4 on the wire clamp wire clamp 1 is taken off from wire 8, and then dismounting earth terminal jig 2.Its unique structure of the present invention, not only improved earth connection extension, tear operating efficiency open, and alleviated operating personnel's labour intensity, guaranteed operating personnel's personal safety.

Claims

1. earth connection safe operating device in the power construction, it is characterized in that, it comprises earth terminal jig (2), wire clamp (1), loop chain bayonet lock (7), copper stranded conductor (3), action bars (4), cross connector (5) and electroscope (6), described earth terminal jig (2) is connected 1 with wire clamp) connect by copper stranded conductor (3), the loop chain of described loop chain bayonet lock (7) is fixed on wire clamp (1) afterbody, the bayonet lock of described loop chain bayonet lock (7) and earth terminal jig (2) coupling, described wire clamp (1) is the firing pin type wire clamp, the inner striker of described firing pin type wire clamp is collapsible striker, and described action bars and cross connector (5) or electroscope (6) are equipped.

2. earth connection safe operating device in a kind of power construction according to claim 1, it is characterized in that, the inner striker of described wire clamp (1) comprises striker I (1-1) and striker II (1-2), described striker I (1-1) end is hinged on the caliper of wire clamp (1) right side, the other end and striker II (1-2) head are hinged, and described striker II (1-2) afterbody is provided with the draw-in groove with wire clamp (1) left side caliper coupling.

3. earth connection safe operating device in a kind of power construction according to claim 1 and 2, it is characterized in that, liner plate (1-3) is all installed in afterbody inboard at the left and right caliper of wire clamp (1), described liner plate (1-3) lateral surface is provided with cruciform groove (1-3-1), described cruciform groove (1-3-1) and cross connector (5) coupling fixedly mount draw ring (1-4) at wire clamp (1) afterbody lateral surface.

4. earth connection safe operating device in a kind of power construction according to claim 3, it is characterized in that, described action bars (4) head outer wall is provided with enclosed type draw ring (4-1), and described enclosed type draw ring (4-1) mates with the draw ring (1-4) of wire clamp (1) afterbody.