CN213184621U - Grounding wire device for overhauling high-voltage transmission line - Google Patents

Abstract

The utility model provides an earth connection device for high tension transmission line overhauls, including fixture block, electrical apparatus box and spring thimble, the below at the fixture block is installed to the electrical apparatus box, the spring thimble is installed on the fixture block, and during the electrical apparatus box was inserted to the lower extreme of spring thimble, a plurality of second screws have been seted up on the mounting panel, a plurality of through-holes, every have all been installed the spring thimble in the through-hole, the through-hole is worn out to the upper end of spring thimble, the middle part of electrical apparatus box is provided with the slot, the upper end of electrical apparatus box is provided with a plurality of sealing washers, install a plurality of touch switch in the electrical apparatus box, touch switch sets up the below at the sealing washer. The utility model discloses set up a plurality of spring thimbles and touch switch, connect when becoming flexible between fixture block and iron tower angle bar, can in time detect and send alarm information suggestion maintenance personal, avoid taking place the electric shock accident, improve the security that electric power overhauld.

Description

Grounding wire device for overhauling high-voltage transmission line

Technical Field

The utility model relates to an electric power overhauls the field, especially relates to an earth connection device for high tension transmission line overhauls.

Background

In the process of electric power maintenance, in order to avoid electric shock injury to maintenance personnel caused by accidental electric power recovery, a grounding wire device is needed to fix a grounding wire on the electric equipment to be maintained, so that current which may be generated in the electric equipment flows into the ground.

Traditional earth connection is simple mechanical structure, the function singleness to unable early warning, operating personnel easily appear in the in-service use in-process carry the back mistake such as not hard up, cause unnecessary potential safety hazard to the person and circuit, the research and development of novel earth connection just eliminates similar potential safety hazard through the optimization to the earth connection device, reduces the emergence probability of incident, improves the efficiency and the safety of transmission line maintenance work.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a ground connection device for high tension transmission line overhauls overcomes above-mentioned problem or solves above-mentioned problem partially at least to solve the problem that there is the potential safety hazard in articulating not hard up back in current ground connection device.

In order to achieve the above object, the technical solution of the present invention is specifically realized as follows:

the utility model provides a ground wire device for high tension transmission line overhauls, including the fixture block, the lower extreme of fixture block is provided with the mounting panel, and the lower extreme of mounting panel is provided with the wiring end, the upper end middle part of fixture block has seted up first screw, the cooperation is installed the screw rod in the first screw, the upper end of screw rod is provided with the crank, the lower extreme of screw rod is provided with the clamp plate, the clamp plate and the lower extreme of screw rod are rotatable formula joint;

still include electrical apparatus box and spring thimble, the below at the fixture block is installed to the electrical apparatus box, the spring thimble is installed on the fixture block, and during the lower extreme of spring thimble inserted the electrical apparatus box, a plurality of second screws have been seted up on the mounting panel, a plurality of through-holes have been seted up to the lower extreme of fixture block, every all install the spring thimble in the through-hole, the through-hole is worn out to the upper end of spring thimble, the middle part of electrical apparatus box is provided with the slot, the upper end of electrical apparatus box is provided with a plurality of sealing washers, install a plurality of touch switch in the electrical apparatus box, touch switch sets up the below at the sealing washer, after the spring thimble inserted the electrical apparatus box, the lower extreme and the touch switch contact of spring thimble.

As a further scheme of the utility model, mounting panel and the integrative casting of fixture block form, the material of mounting panel and fixture block is copper.

As a further aspect of the present invention, the slot runs through the upper and lower end faces of the electrical box, and the slot is isolated from the inside of the electrical box.

As a further scheme of the utility model, the through-hole one-to-one on sealing washer and the fixture block, the lower extreme of the spring thimble of installation passes the sealing washer and inserts in the electrical apparatus box in the through-hole.

As a further aspect of the utility model, the spring thimble is pushed down to the upper end and when the through-hole upper end is leveled, can promote touch switch closure just.

The utility model provides a ground connection device for high tension transmission line overhauls, beneficial effect lies in:

1. by arranging the spring thimbles and the touch switches, when the connection between the fixture block and the iron tower angle iron is loosened, the alarm information can be timely detected and sent to prompt maintenance personnel, electric shock accidents are avoided, and the safety of electric power maintenance is improved;

2. through with electrical apparatus box suit on the mounting panel of fixture block below for this earth connection overall structure is compacter, and maintenance personal carries more conveniently when going out to overhaul, connects more firmly between electrical apparatus box and the fixture block simultaneously, has also improved electrical apparatus box's structural strength.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of an embodiment of the present invention.

Fig. 2 is a schematic view of a cross-sectional structure of an electrical box provided by an embodiment of the present invention.

Fig. 3 is a schematic perspective view of the embodiment of the present invention for removing the electrical box.

Fig. 4 is a schematic perspective view of an electrical box according to an embodiment of the present invention.

In the figure: 1. a clamping block; 2. an electrical box; 3. a spring thimble; 11. mounting a plate; 12. a first screw hole; 13. a through hole; 14. a second screw hole; 15. a terminal; 16. a screw; 17. a crank; 18. pressing a plate; 21. a slot; 22. a seal ring; 23. a buzzer; 24. a touch switch.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

Referring to fig. 1, the embodiment of the utility model provides a pair of a ground connection device for high tension transmission line overhauls, including fixture block 1, electrical apparatus box 2 and spring thimble 3, electrical apparatus box 2 installs the below at fixture block 1, spring thimble 3 installs on fixture block 1, and spring thimble 3's lower extreme inserts in electrical apparatus box 2.

As shown in fig. 3, the lower end of the fixture block 1 is provided with a mounting plate 11, the mounting plate 11 and the fixture block 1 are integrally cast, and are integrally cast to have better electrical conductivity, the mounting plate 11 and the fixture block 1 are made of copper, the copper is soft, and when the fixture block 1 is clamped with an iron tower, the contact area with the iron tower can be increased, the mounting plate 11 is provided with a plurality of second screw holes 14, the lower end of the mounting plate 11 is provided with a terminal 15, the terminal 15 is used for connecting a ground wire, the middle part of the upper end of the fixture block 1 is provided with a first screw hole 12, a screw 16 is fittingly installed in the first screw hole 12, the upper end of the screw 16 is provided with a crank 17, the screw 16 is conveniently rotated by the crank 17, the lower end of the screw 16 is provided with a pressing plate 18, the lower ends of the pressing plate 18, then, the crank 17 drives the screw 16 to rotate, the pressing plate 18 is pushed to move downwards through the matching of the screw 16 and the first screw hole 12, so that the angle iron of the iron tower is tightly pressed between the pressing plate 18 and the fixture block 1, the lower end of the fixture block 1 is provided with a plurality of through holes 13, each through hole 13 is provided with a spring thimble 3, and the upper end of each spring thimble 3 penetrates out of the through hole 13.

As shown in fig. 1 and 4, a slot 21 is formed in the middle of the electrical box 2, the slot 21 penetrates through the upper and lower end faces of the electrical box 2, when the electrical box 2 is installed, the mounting plate 11 is inserted from the upper end of the slot 21 and penetrates out from the lower end of the slot 21, so that the upper end of the electrical box 2 is closely attached to the lower end of the fixture block 1, then a bolt is used to penetrate through the electrical box 2 and screwed into the second screw hole 14, so that the electrical box 2 is fixedly mounted on the mounting plate 11, the slot 21 is isolated from the inside of the electrical box 2, rainwater cannot enter the electrical box 2 through the slot 21, a plurality of sealing rings 22 are arranged at the upper end of the electrical box 2, the sealing rings 22 correspond to the through holes 13 on the fixture block 1 one-to one, and the lower ends of spring thi.

As shown in fig. 2, a plurality of touch switches 24 are installed in the electrical appliance box 2, the touch switches 24 are arranged below the sealing ring 22, after the spring thimble 3 is inserted into the electrical appliance box 2, the lower end of the spring thimble 3 contacts with the touch switches 24, when in use, an angle iron on the iron tower is clamped in the fixture block 1, the angle iron is tightly pressed below the fixture block 1 through the pressing plate 18, at the moment, the angle iron presses the spring thimble 3 downwards, the spring thimble 3 is pressed until the upper end is flush with the upper end of the through hole 13, the touch switches 24 can be just pushed to be closed, when the connection between the fixture block 1 and the iron tower is loosened, the spring thimble 3 can be upwards bounced to disconnect the touch switches 24 below, a buzzer 23 is installed in the electrical appliance box 2, and after the electrical appliance box 2 is opened for use, as long as one or more touch switches 24 are disconnected, the buzzer 23 can give an alarm to remind a worker that the connection between the fixture block 1 and the iron tower is, need in time fasten, avoid taking place the electric shock accident.

The utility model discloses in the use, at first with 1 card of fixture block on the angle bar of iron tower needs to be maintained, then rotate screw rod 16 through crank 17, promote clamp plate 18 and tightly press the angle bar on fixture block 1, then be connected wiring end 15 and earth conductor, open electrical apparatus box 2 after the installation is accomplished, can carry out the maintenance operation, when being connected between fixture block 1 and the iron tower angle bar not hard up, spring thimble 3 can upwards bounce, make 24 disconnection of its below touch switch, bee calling organ 23 reports to the police, maintenance person hears the warning, need stop the operation, treat that the refastening no longer reports to the police the rear and can continue the operation.

The above are merely examples of the present application and are not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.

Claims (5)

1. The ground wire device for overhauling the high-voltage transmission line comprises a clamping block (1), wherein a mounting plate (11) is arranged at the lower end of the clamping block (1), a wiring end (15) is arranged at the lower end of the mounting plate (11), a first screw hole (12) is formed in the middle of the upper end of the clamping block (1), a screw rod (16) is installed in the first screw hole (12) in a matched mode, a crank (17) is arranged at the upper end of the screw rod (16), a pressing plate (18) is arranged at the lower end of the screw rod (16), the pressing plate (18) and the lower end of the screw rod (16) are clamped in a rotatable mode, the ground wire device is characterized by further comprising an electric appliance box (2) and a spring ejector pin (3), the electric appliance box (2) is installed below the clamping block (1), the spring ejector pin (3) is installed on the clamping block (1), and the, seted up a plurality of second screw (14) on mounting panel (11), a plurality of through-holes (13), every have been seted up to the lower extreme of fixture block (1) all install spring thimble (3) in through-hole (13), through-hole (13) are worn out to the upper end of spring thimble (3), the middle part of electrical apparatus box (2) is provided with slot (21), the upper end of electrical apparatus box (2) is provided with a plurality of sealing washers (22), install a plurality of touch switch (24) in electrical apparatus box (2), touch switch (24) set up the below at sealing washer (22), behind electrical apparatus box (2) inserted in spring thimble (3), the lower extreme and the touch switch (24) contact of spring thimble (3), install bee calling organ (23) in electrical apparatus box (2).

2. The grounding wire device for overhauling a high-voltage transmission line according to claim 1, wherein the mounting plate (11) and the clamping block (1) are integrally cast, and the mounting plate (11) and the clamping block (1) are made of copper.

3. The grounding wire device for overhauling the high-voltage transmission line according to claim 1, wherein the slot (21) penetrates through the upper end surface and the lower end surface of the electrical box (2), and the slot (21) is isolated from the inside of the electrical box (2).

4. The grounding wire device for overhauling a high-voltage transmission line according to claim 1, wherein the sealing rings (22) correspond to the through holes (13) in the fixture block (1) one by one, and the lower ends of the spring thimbles (3) arranged in the through holes (13) penetrate through the sealing rings (22) and are inserted into the electrical box (2).

5. The grounding wire device for overhauling a high-voltage transmission line according to claim 1, wherein the spring thimble (3) is pressed down until the upper end of the spring thimble is flush with the upper end of the through hole (13), and the touch switch (24) can be just pushed to be closed.

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