CN219086670U

CN219086670U - Insulating baffle plate for live replacement of disconnecting link operation

Info

Publication number: CN219086670U
Application number: CN202223471202.3U
Authority: CN
Inventors: 梁胜敏; 关悦海; 黄伟强; 龚军; 张振声
Original assignee: Jiangmen Electric Power Engineering Power Transmission And Transformation Co ltd
Current assignee: Jiangmen Electric Power Engineering Power Transmission And Transformation Co ltd
Priority date: 2022-12-23
Filing date: 2022-12-23
Publication date: 2023-05-26
Anticipated expiration: 2032-12-23

Abstract

The utility model relates to the technical field of electric power overhaul equipment and discloses an insulating baffle for electrified disconnecting link replacement operation, which comprises a first insulating plate and a second insulating plate, wherein one side of the first insulating plate is connected with one side of the second insulating plate, one side of the first insulating plate connected with the second insulating plate is provided with a first groove, one side of the second insulating plate connected with the first insulating plate is provided with a second groove, the first groove and the second groove are connected to form a mounting hole, the bottom of the first insulating plate is provided with a first connecting part, the bottom of the second insulating plate is provided with a second connecting part, the first connecting part and the second connecting part are rotationally connected through a rotating shaft which is longitudinally arranged, the bottom of the first insulating plate is connected with a first handle, the bottom of the second insulating plate is connected with a second handle, a spring is arranged between the first handle and the second handle, one end of the spring is connected with the first handle, and the other end of the spring is connected with the second handle. The utility model has simple structure, easy disassembly and assembly and good insulation shielding effect.

Description

Insulating baffle plate for live replacement of disconnecting link operation

Technical Field

The utility model relates to the technical field of electric power overhaul equipment, in particular to an insulating baffle for electrified disconnecting link replacement operation.

Background

At present, the number of times of operation of a 10kV distribution line live-line change knife switch related project increases year by year, because the 10kV distribution line knife switch installation mode has the characteristics that a live wire is smaller than a metal cross arm of a grounding body and the distance between the knife switch and the knife switch is smaller, and an operation space is narrow, the 10kV distribution line live-line change knife switch project needs to carry out insulation shielding on the live body in a construction process, the existing method generally adopts an insulating blanket and insulating sleeve mode to carry out insulation shielding, but the insulating sleeve and the insulating blanket are auxiliary insulation, the insulating strength is insufficient, the main insulation effect cannot be achieved, the insulation shielding performance is reduced due to the influence of severe weather or other factors (such as ambient temperature, humidity and surface cleanliness of an insulating tool) and the like, in the operation process, the insulating glove is worn by an operator, the anti-puncture glove is worn as the outermost layer, metal dust, dirt or sweat of the operator is led to be prevented from being wetted or directly conductive, the live-line wire is led to directly to a metal cross arm discharge accident through the anti-puncture of the operator, or the radian is easy to cause an over-large operation, the adjacent knife switch is easy to cause a short-circuit accident, and the safety accident between the adjacent knife switch and the safety is not endangered.

Disclosure of Invention

The utility model aims to provide an insulating baffle plate for the operation of replacing a disconnecting link in an electrified manner, which is simple in structure, convenient to assemble and disassemble and good in insulating shielding effect.

In order to achieve the above object, the utility model provides an insulating baffle for live replacement of a knife switch, which comprises a first insulating plate and a second insulating plate, wherein one side of the first insulating plate is connected with one side of the second insulating plate, one side of the first insulating plate connected with the second insulating plate is provided with a first groove, one side of the second insulating plate connected with the first insulating plate is provided with a second groove, the first groove and the second groove are connected to form a mounting hole, the bottom of the first insulating plate is provided with a first connecting part, the bottom of the second insulating plate is provided with a second connecting part, the first connecting part and the second connecting part are connected through a rotating shaft which is arranged longitudinally, the bottom of the first insulating plate is connected with a first handle, the bottom of the second insulating plate is connected with a second handle, a spring is arranged between the first handle and the second handle, one end of the spring is connected with the first handle, and the other end of the spring is connected with the second handle.

As a preferable scheme of the utility model, the first insulating plate and the second insulating plate both comprise a fixed plate and a movable plate, the first handle is connected with the fixed plate of the first insulating plate, the second handle is connected with the fixed plate of the second insulating plate, the movable plate is arranged on the rear side of the fixed plate, an arc-shaped groove is arranged on the fixed plate, the center of the arc-shaped groove is positioned on the axis of the mounting hole, the movable plate is provided with a connecting shaft penetrating through the arc-shaped groove, the connecting shaft is in sliding fit with the arc-shaped groove, the connecting shaft is arranged at the top end of the arc-shaped groove, when the connecting shaft slides to the bottom end of the arc-shaped groove, the movable plate is overlapped with the fixed plate, and a fixing nut is connected on the connecting shaft in a threaded manner.

As a preferable scheme of the utility model, the connecting shaft is provided with a rotatable shielding plate, the shielding plate covers the arc-shaped groove, and the shielding plate is arranged between the fixing nut and the fixing plate.

As a preferable scheme of the utility model, the fixing nut is a butterfly nut.

As a preferable scheme of the utility model, the first connecting part and the second connecting part are respectively in a semi-cylindrical shape, the first connecting part is arranged at the bottom end of one side of the first insulating plate, which is close to the second insulating plate, the first connecting part protrudes towards the direction of the second insulating plate, the second insulating plate is provided with a second avoidance groove matched with the first connecting part, the second connecting part is arranged at the bottom end of one side of the second insulating plate, which is close to the first insulating plate, the second connecting part protrudes towards the direction of the first insulating plate, the first insulating plate is provided with a first avoidance groove matched with the second connecting part, the rotating shaft penetrates through the first connecting part and the second connecting part, and the first connecting part, the second connecting part and the rotating shaft are coaxially arranged.

As a preferable scheme of the utility model, one side of the first insulating plate far away from the second insulating plate is connected with a detachable first side baffle, the bottom of the first insulating plate is connected with a detachable first bottom baffle, one side of the second insulating plate far away from the first insulating plate is connected with a detachable second side baffle, and the bottom of the second insulating plate is connected with a detachable second bottom baffle.

As a preferable scheme of the utility model, the top of the second insulating plate is connected with a second locking block, the top of the first insulating plate is connected with a first locking block overlapped with the second locking block, and a locking pin penetrates through the first locking block and the second locking block.

As a preferable mode of the present utility model, the first insulating plate and the second insulating plate are epoxy resin plates.

Compared with the prior art, the insulating baffle for the electrified disconnecting link replacement operation has the beneficial effects that: the utility model can be disassembled and assembled by applying force to the first handle and the second handle, the disassembly and the assembly are simple and convenient, the safe distance between an operator and the electrified part of the disconnecting link contact is ensured, and the short circuit accident caused by the fact that the operator's hand shorts the electrified part of the disconnecting link contact with the base when the insulating baffle is installed is avoided; after installation, first insulation board and second insulation board can be with the electrified position of switch contact department with switch metal base department insulation isolation, prevent that the operation personnel from causing the relative short circuit accident when the dismouting switch contact because of the safe distance with metal base is not enough.

Drawings

FIG. 1 is a block diagram of an insulating barrier for live replacement of a knife switch according to the present utility model;

FIG. 2 is a block diagram of the first groove and the second groove of FIG. 1 separated;

fig. 3 is a structural view of the first and second insulating plates of fig. 1 in a folded state;

fig. 4 is an exploded structural view of the first insulation plate of fig. 1;

FIG. 5 is an exploded view of the second flange plate of FIG. 1;

FIG. 6 is a block diagram of another insulating barrier for live replacement of a knife switch according to the present utility model;

in the figure, 1, a first insulating plate; 11. a first groove; 111. a mounting hole; 12. a first connection portion; 121. a rotating shaft; 13. a first handle; 131. a spring; 14. a first side baffle; 15. a first bottom baffle; 16. a first locking block; 161. a locking pin; 17. a first avoidance groove; 2. a second insulating plate; 21. a second groove; 22. a second connecting portion; 23. a second handle; 24. a second side baffle; 25. a second bottom baffle; 26. a second locking block; 27. a second avoidance groove; 3. a fixing plate; 31. an arc-shaped groove; 4. a movable plate; 41. a connecting shaft; 411. a fixing nut; 412. a shielding plate.

Detailed Description

The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "center," "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the present utility model in terms of orientation or positional relationship as indicated on the basis of the drawings, merely to facilitate description of the present utility model and to simplify description, and do not indicate or imply that the apparatus or elements in question must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model, and furthermore, the terms "first," "second," "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

As shown in fig. 1-5, an insulating baffle for live-line replacement of a knife switch according to a preferred embodiment of the present utility model includes a first insulating plate 1 and a second insulating plate 2, one side of the first insulating plate 1 is connected to one side of the second insulating plate 2, a first groove 11 is provided on one side of the first insulating plate 1 connected to the second insulating plate 2, a second groove 21 is provided on one side of the second insulating plate 2 connected to the first insulating plate 1, the first groove 11 and the second groove 21 are connected to form a mounting hole 111, in this embodiment, the first insulating plate 1 and the second insulating plate 2 are respectively semicircular, the first groove 11 and the second groove 21 are respectively semicircular, the mounting hole 111 is a circular hole provided longitudinally (i.e. in the front-rear direction in fig. 1), the size of the mounting hole 111 is adapted to the size of a knife switch porcelain base, a first connecting portion 12 is provided at the bottom of the first insulating plate 1, a second connecting portion 22 is provided at the bottom of the second insulating plate 2, the first connecting portion 12 and the second connecting portion 22 are connected to each other through a longitudinal shaft 121, the first insulating plate 1 and the second insulating plate 2 are connected to the first handle 131 can be rotated, and the second handle 131 is connected to the first handle 13, and the other end of the first insulating plate 13 is separated from the first handle 13, and the second handle 131 is connected to the first handle 13, and the first handle 13 is connected to the first handle 13, and the other end is made of the handle 13 is connected to the first insulating plate 13, and the handle 13.

The working principle of the embodiment is as follows: when the electric knife switch is used, the first handle 13 and the second handle 23 are forced to move close to each other, the spring 131 is forced to compress, the first connecting part 12 and the second connecting part 22 are respectively rotated around the axis of the rotating shaft 121, the first groove 11 and the second groove 21 are separated, as shown in fig. 2, then the positions of the first insulating plate 1 and the second insulating plate 2 are adjusted, the knife switch porcelain seat is positioned between the first groove 11 and the second groove 21, finally the first handle 13 and the second handle 23 are loosened, the positions of the first insulating plate 1 and the second insulating plate 2 are adjusted, the first groove 11 and the second groove 21 are restored to a connected state under the action of the elastic force of the spring 131, the first insulating plate 1 and the second insulating plate 2 are matched to clamp the knife switch porcelain seat, the installation of the electric knife switch is realized, if the electric knife switch is required to be detached again, the electric knife switch is easy to detach, the safe distance between an operator and a charged part of the knife switch contact is ensured, and the electric switch is prevented from being shorted by applying force to the first handle 13 and the second handle 23, and the electric switch contact is prevented from being shorted to a base of the electric knife switch; after installation, the first insulating plate 1 and the second insulating plate 2 can insulate and isolate the electrified part of the disconnecting link contact from the disconnecting link metal base, so that the accident of short circuit between the two sides of the disconnecting link is prevented from being caused by insufficient safety distance between the disconnecting link contact and the metal base when the disconnecting link contact is disassembled and assembled by an operator.

The first insulating plate 1 and the second insulating plate 2 each include a fixed plate 3 and a movable plate 4, the first handle 13 is connected with the fixed plate 3 of the first insulating plate 1, the second handle 23 is connected with the fixed plate 3 of the second insulating plate 2, the movable plate 4 is disposed at the rear side of the fixed plate 3, the fixed plate 3 is provided with an arc-shaped groove 31, the center of the arc-shaped groove 31 is located on the axis of the mounting hole 111, the movable plate 4 is provided with a connecting shaft 41 passing through the arc-shaped groove 31, the connecting shaft 41 is in sliding fit with the arc-shaped groove 31, the connecting shaft 41 is disposed at the top end of the arc-shaped groove 31, the first insulating plate 1 and the second insulating plate 2 are in an unfolded state, as shown in fig. 1, when the connecting shaft 41 slides to the bottom end of the arc-shaped groove 31, the movable plate 4 overlaps with the fixed plate 3, as shown in fig. 3, thereby reducing the whole volume of the insulating plate, the connecting shaft 41 is connected with a fixing nut 411, and the movable plate 4 and the fixed plate 3 are relatively fixed by fastening the fixing nut 411.

Illustratively, the connecting shaft 41 is provided with a rotatable shielding plate 412, that is, the shielding plate 412 can rotate around the axis of the connecting shaft 41, the shielding plate 412 covers the arc-shaped slot 31, the shielding plate 412 can cover the arc-shaped slot 31, the insulating shielding effect of the insulating shielding plate is ensured, in this embodiment, the shape of the shielding plate 412 is suitable for the shape of the arc-shaped slot 31, but the size of the shielding plate 412 is larger than that of the arc-shaped slot 31 to cover the arc-shaped slot 31, the shielding plate 412 is arranged between the fixing nut 411 and the fixing plate 3, the fixing nut 411 can simultaneously fix the movable plate 4 and the fixing plate 3 relatively, and fix the shielding plate 412 and the connecting shaft 41 relatively, so that the shielding plate 412 cannot rotate at will, the shielding plate 412 remains at a position for covering the arc-shaped slot 31, and when the connecting shaft 41 slides to the lower end of the arc-shaped slot 31, the shielding plate 412 can be rotated, so as to avoid interference of the two shielding plates 412, as shown in fig. 3.

Illustratively, the securing nut 411 is a wing nut to manually tighten the securing nut 411.

The first connecting portion 12 and the second connecting portion 22 are respectively in a semi-cylindrical shape, the first connecting portion 12 is arranged at the bottom end of one side, close to the second insulating plate 2, of the first insulating plate 1, the first connecting portion 12 protrudes towards the direction of the second insulating plate 2, the second insulating plate 2 is provided with a second avoidance groove 27 matched with the first connecting portion 12, the second connecting portion 22 is arranged at the bottom end, close to the first insulating side, of the second insulating plate 2, the second connecting portion 22 protrudes towards the direction of the first insulating plate 1, the first insulating plate 1 is provided with a first avoidance groove 17 matched with the second connecting portion 22, the rotating shaft 121 penetrates through the first connecting portion 12 and the second connecting portion 22, the first connecting portion 12, the second connecting portion 22 and the rotating shaft 121 are coaxially arranged, and rotary connection of the first connecting portion 12 and the second connecting portion 22 is achieved.

Illustratively, one side of the first insulating plate 1 far away from the second insulating plate 2 is connected with a detachable first side baffle 14, if the first insulating plate 1 is provided with an installation groove matched with the first side baffle 14, the first side baffle 14 is inserted and embedded in the installation groove to realize the connection of the first insulating plate 1 and the first groove baffle, the first side baffle 14 is separated from the installation groove to realize the detachment of the first side baffle 14, so that the bottom of the first insulating plate 1 is conveniently carried and transported, the detachable first bottom baffle 15 is connected with one side of the second insulating plate 2 far away from the first insulating plate, the detachable second bottom baffle 24 is connected with one side of the second insulating plate 2, the detachable second bottom baffle 25 is generally arranged vertically, the first bottom baffle 15 and the second bottom baffle 25 are horizontally arranged, and the arrangement of the first side baffle 14 and the second side baffle 24 can prevent the accident caused by insufficient safety distance between the operator and the adjacent electrified knife gate when the operation range of the operator is overlarge, and the first bottom baffle 15 and the second bottom baffle 25 can prevent the operator from touching the base at the same time.

Illustratively, the top of the second insulating plate 2 is connected with a second locking block 26, the top of the first insulating plate 1 is connected with a first locking block 16 overlapped with the second locking block 26, in this embodiment, the first locking block 16 is located at the front side of the second locking block 26, and a locking pin 161 penetrates the first locking block 16 and the second locking block 26, so as to lock the first insulating plate 1 and the second insulating plate 2, so that the first insulating plate 1 and the second insulating plate 2 cannot rotate, and the first groove 11 and the second groove 21 are prevented from being separated accidentally during operation.

The first insulating plate 1 and the second insulating plate 2 are epoxy resin plates, so that the insulating effect is good, and in general, the thickness of the first insulating plate 1 and the second insulating plate 2 is more than 3mm, so that the main insulating effect of 10kV voltage class can be met.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that modifications and substitutions can be made by those skilled in the art without departing from the technical principles of the present utility model, and these modifications and substitutions should also be considered as being within the scope of the present utility model.

Claims

1. An insulating baffle for change switch operation with electricity, its characterized in that: including first insulation board and second insulation board, one side of first insulation board with one side of second insulation board is connected, first insulation board with one side that the second insulation board is connected is equipped with first recess, the second insulation board with one side that the first insulation board is connected is equipped with the second recess, first recess with the second recess is connected and is formed the mounting hole, the bottom of first insulation board is equipped with first connecting portion, the bottom of second insulation board is equipped with second connecting portion, first connecting portion and second connecting portion rotate through the pivot of vertical setting and are connected, the bottom of first insulation board is connected with first handle, the bottom of second insulation board is connected with the second handle, first handle with be equipped with the spring between the second handle, the one end of spring with first handle is connected, the other end of spring with the second handle is connected.

2. The insulating barrier for live replacement of a knife switch of claim 1, wherein: the first insulating plate with the second insulating plate all includes fixed plate and fly leaf, first handle with first insulating plate the fixed plate is connected, the second handle with the fixed plate of second insulating plate is connected, the fly leaf is located the rear side of fixed plate, be equipped with the arc wall on the fixed plate, the centre of a circle of arc wall is located on the axis of mounting hole, the fly leaf is equipped with and passes the connecting axle of arc wall, the connecting axle with arc wall sliding fit, the connecting axle is located the top of arc wall, works as the connecting axle slides to when the bottom of arc wall, the fly leaf with the fixed plate overlaps, threaded connection has fixation nut on the connecting axle.

3. The insulating barrier for live replacement of a knife switch of claim 2, wherein: the connecting shaft is provided with a rotatable shielding plate, the shielding plate covers the arc-shaped groove, and the shielding plate is arranged between the fixing nut and the fixing plate.

4. The insulating barrier for live replacement of a knife switch of claim 2, wherein: the fixing nut is a butterfly nut.

5. The insulating barrier for live replacement of a knife switch of claim 1, wherein: the first connecting portion with the second connecting portion are semi-cylindrical respectively, first connecting portion locates first insulating plate is close to one side bottom of second insulation board, first connecting portion is in the direction protrusion of second insulation board, the second insulation board be equipped with first connecting portion complex second dodge the groove, second connecting portion locate the second insulation board is close to one side bottom of first insulation, second connecting portion is in the direction protrusion of first insulating plate, first insulating plate be equipped with second connecting portion complex first dodge the groove, the pivot runs through first connecting portion with second connecting portion, first connecting portion second connecting portion with the coaxial setting of pivot.

6. The insulating barrier for live replacement of a knife switch of claim 1, wherein: one side of first insulation board is kept away from the second insulation board is connected with detachable first side shield, the bottom of first insulation board is connected with detachable first end shield, the second insulation board is kept away from one side of first insulation is connected with detachable second side shield, the bottom of second insulation board is connected with detachable second end shield.

7. The insulating barrier for live replacement of a knife switch of claim 1, wherein: the top of second insulation board is connected with the second locking piece, the top of first insulation board be connected with the first locking piece that the second locking piece overlapped, the locking pin runs through first locking piece with the second locking piece.

8. The insulating barrier for live replacement of a knife switch of claim 1, wherein: the first insulating plate and the second insulating plate are epoxy resin plates.