CN102904081B - Grounding wire safety operation device in power construction - Google Patents

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, be especially a kind ofly applicable to the operating means be made up of firing pin type wire clamp and action bars that extension torn smoothly open by electricity earthing cable conductor wire end wire clamp.

Background technology

Along with the develop rapidly of power grid construction in recent years, 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 conductor end of earth wire operation, traditional way needs that electroscope and insulating bar are passed to work high above the ground personnel respectively and locates, two insulating bars are used to carry out wire electrical verification and earth connection conductor wire end wire clamp suspension work respectively by work high above the ground personnel, and traditional firing pin type ground wire guide clamp is opened and the closed striker (referring to accompanying drawing 1 and accompanying drawing 2) all relying on support, this striker supporting construction causes wire clamp when mounting, between wire and striker, the direction of impact F is departed from wire clamp and is closed center line, wire clamp is very easily caused to be engaged not in place, earth connection cannot be hung up properly, delay the activity duration.

Summary of the invention

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

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 by copper stranded conductor with wire clamp, the loop chain of described loop chain bayonet lock is fixed on wire clamp afterbody, the bayonet lock of described loop chain bayonet lock mates with earth terminal jig, its special feature is: described wire clamp is firing pin type wire clamp, the inner striker of described firing pin type wire clamp is collapsible striker, described action bars and cross connector or electroscope equipped.

Earth connection safe operating device in 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 right side of wire clamp on caliper, the other end and striker II head hinged, described striker II afterbody is provided with the draw-in groove mated with caliper on the left of wire clamp.

Earth connection safe operating device in above-mentioned power construction, all liner plate is installed in the tail inner side of the left and right caliper of wire clamp, described liner plate lateral surface is provided with cruciform groove, and described cruciform groove mates with cross connector, and wire clamp lateral tail face fixedly mounts draw ring.

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

The present invention is owing to taking technique scheme, during construction, operating personnel only need use a weighting meter can complete the extension of wire electrical verification and earth connection, tear work open, and action bars and electroscope can be utilized to be equipped with carry out the whether charged checking work of wire; The present invention is when wire clamp and wire mount, it is consistent that the collapsible striker of wire clamp inside and the direction of impact F between wire and wire clamp close center line, make wire and wire clamp close centerline direction not offset, after wire clamp is closed, wire is blocked, the mounting of wire clamp can be completed smoothly.When conducting wire presss from both sides, first the termination on action bars is replaced by cross connector, cross connector is put into the cross recess of wire clamp afterbody, open wire clamp and supported by hinged striker mechanism, now the afterbody of wire clamp closes, action bars is connected and fixed by cross connector and wire clamp, after wire clamp is blocked wire by operation librarian use action bars, open at the afterbody being flush-mounted in torsion spring elastic force effect lower wire folder between the caliper of wire clamp left and right, action bars is separated with wire clamp.When removing earth connection, first utilize the enclosed type link on action bars to coordinate with the draw ring in wire clamp and wire clamp is taken off from wire, and then remove earth terminal jig.The present invention is applicable to construction and the maintenance of 220kV and following electric pressure equipment, and it not only increases the extension of earth connection with the structure of its uniqueness, tear operating efficiency open, and alleviates operating personnel's labour intensity, ensure that the personal safety of operating personnel.

Accompanying drawing explanation

Below in conjunction with accompanying drawing, the invention will be further described.

Fig. 1 is wire and traditional firing pin type wire clamp schematic diagram when clashing into;

Fig. 2 is traditional firing pin type wire clamp generation wire clamp structural representation when being engaged situation not in place;

Fig. 3 is composition diagram of the present invention;

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

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

Fig. 6 is schematic diagram when firing pin type wire clamp clashes in 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 wire clamp of the present invention left and right caliper afterbody liner plate;

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

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

In figure, each label is: 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, 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 by copper stranded conductor 3 with wire clamp 1, the loop chain of described loop chain bayonet lock 7 is fixed on wire clamp 1 afterbody, and the bayonet lock of described loop chain bayonet lock mates with earth terminal jig 2; Wherein, described wire clamp 1 is 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 to be hinged on the right side of wire clamp 1 on caliper, the other end and striker II 1-2 head hinged, described striker II 1-2 afterbody is provided with the draw-in groove mated with caliper on the left of wire clamp 1; All install liner plate 1-3 in the tail inner side of the left and right caliper of wire clamp 1, described liner plate 1-3 lateral surface is provided with cruciform groove 1-3-1, and described cruciform groove 1-3-1 mates with cross connector 5, and wire clamp 1 lateral tail face fixedly mounts draw ring 1-4; Described action bars and cross connector 5 or electroscope 6 are equipped with, and 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.

Referring to Fig. 1 ~ Figure 10, the present invention is applicable to construction and the maintenance of 220kV and following electric pressure equipment.During construction, operating personnel only need use a weighting meter can complete the extension of wire electrical verification and earth connection, tear work open, and action bars and electroscope can be utilized to be equipped with carry out the whether charged checking work of wire.The present invention is when wire clamp 1 mounts with wire 8, it is consistent that the collapsible striker of wire clamp 1 inside and the direction of impact F between wire 8 and wire clamp 1 close center line, make wire 8 and wire clamp 1 close centerline direction not offset, after wire clamp is closed, wire 8 is blocked, the mounting of wire clamp can be completed smoothly.

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 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 supported by collapsible striker, now the afterbody of wire clamp 1 closes, action bars 4 is connected and fixed with wire clamp 1 by cross connector 5, after wire clamp 1 is blocked wire 8 by operation librarian use action bars 4, open at the afterbody being flush-mounted in torsion spring 1-5 elastic force effect lower wire folder 1 between the caliper of wire clamp left and right, action bars 4 is separated with wire clamp 1.When two, removing earth connection, first utilize the enclosed type link 4-1 on action bars 4 to coordinate with the draw ring 1-4 in wire clamp and wire clamp 1 is taken off from wire 8, and then remove earth terminal jig 2.The structure of its uniqueness of the present invention, not only increases the extension of earth connection, tears operating efficiency open, and alleviates operating personnel's labour intensity, ensure that the personal safety of operating personnel.

Claims (3)

1. earth connection safe operating device in a 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 by copper stranded conductor (3) with wire clamp (1), 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) mates with earth terminal jig (2), described wire clamp (1) is firing pin type wire clamp, the inner striker of described firing pin type wire clamp is collapsible striker, described action bars and cross connector (5) or electroscope (6) are equipped with,

Described wire clamp (1) inner striker comprises striker I (1-1) and striker II (1-2), described striker I (1-1) one end is hinged on the caliper of wire clamp (1) right side, the other end and striker II (1-2) head hinged, described striker II (1-2) afterbody is provided with and wire clamp (1) the left side draw-in groove that mates of caliper.

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

3. earth connection safe operating device in a kind of power construction according to claim 2, 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) is mated with the draw ring (1-4) of wire clamp (1) afterbody.