CN216750320U - Portable grounding device for non-grounding ring - Google Patents

Portable grounding device for non-grounding ring Download PDF

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Publication number
CN216750320U
CN216750320U CN202122532523.9U CN202122532523U CN216750320U CN 216750320 U CN216750320 U CN 216750320U CN 202122532523 U CN202122532523 U CN 202122532523U CN 216750320 U CN216750320 U CN 216750320U
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China
Prior art keywords
limiting plate
limiting
rod
grounding
wire connector
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Application number
CN202122532523.9U
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Chinese (zh)
Inventor
徐琛
戴雨龙
祝翰林
龚正威
朱瑞凌
郭嘉
杨佳
李珅伦
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State Grid Zhejiang Electric Power Co Ltd Lanxi Power Supply Co
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Zhejiang Electric Power Co Ltd Lanxi Power Supply Co
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by State Grid Zhejiang Electric Power Co Ltd Lanxi Power Supply Co, Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Zhejiang Electric Power Co Ltd Lanxi Power Supply Co
Priority to CN202122532523.9U priority Critical patent/CN216750320U/en
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Abstract

The utility model discloses a portable grounding device for a non-grounding ring, which comprises a grounding wire connector and an insulating operating rod, wherein the grounding wire connector is provided with a connecting terminal for connecting a grounding wire, a closed limiting channel is arranged in the grounding wire connector, a guide rail is arranged in the closed limiting channel, a limiting plate is arranged on the guide rail in a sliding manner, and the limiting plate is matched with the grounding wire connector for clamping a lower pile head of a drop-out fuse; the insulating operation rod is provided with a connecting screw rod, and the connecting screw rod penetrates a threaded hole formed in the grounding wire connector and is movably connected with the limiting plate. Make limiting plate and earth connection connector chucking drop out fuse's lower pile head through rotating above-mentioned insulating bar, when not disposing the ground loop on the power transmission line, still can realize the quick overlap joint of earth connection, overall security is high, convenient operation, portable.

Description

Portable grounding device for non-grounding ring
Technical Field
The utility model relates to the technical field of electric power overhaul, in particular to a portable grounding device without a grounding ring.
Background
The drop-out fuse is a short-circuit protection switch which is most commonly used for 10kV distribution line branch lines and distribution transformers. When the maintenance construction operation is carried out, the grounding wire can be hung in cooperation with the installed grounding ring to take safety measures. But actually, most drop out fuses do not install the ground ring, can't articulate the earth connection, and this can appear two kinds of problems:
1) when the transformer needs to be overhauled, if the grounding wire is hung at the high-voltage pile head or the lightning arrester of the transformer, the operation area is affected, the hanging difficulty is high, and the grounding wire is easy to fall off; if the cable is hung on the previous-stage line, the operation state of the previous-stage line needs to be changed into a maintenance state, and the power failure range is expanded;
2) when the branch circuit need overhaul the work, if the wire is the insulated wire, need install the puncture on the wire additional and test electric grounding ring, just can hang and establish the earth connection, and install the puncture additional and test electric grounding ring and have certain safe risk.
SUMMERY OF THE UTILITY MODEL
In view of the above technical problems, the present invention provides a portable grounding device for a non-grounding ring, which can quickly complete the lap joint of a grounding wire without installing a grounding ring.
In order to solve the above problems, the technical solution of the present invention is realized as follows:
a portable grounding device for use with a ground-free ring, comprising:
the ground wire connector is provided with a connecting terminal for connecting a ground wire, a closed limiting channel is arranged in the ground wire connector, a guide rail is arranged in the closed limiting channel, a limiting plate is arranged on the guide rail in a sliding manner, and the limiting plate is matched with the ground wire connector to clamp a lower pile head of the drop-out fuse; and
the insulating operation pole, the insulating operation pole is provided with connecting screw, connecting screw passes the screw hole that the earth connection connector was seted up with limiting plate swing joint.
Through hanging the earth connection connector on drop out fuse's lower pile head, rotate above-mentioned insulating bar afterwards and make limiting plate and earth connection connector chucking drop out fuse's lower pile head, when not disposing the ground ring on the power transmission line, still can realize the quick overlap joint of earth connection, overall security is high, convenient operation, portable.
Preferably, the ground wire connector comprises a connecting seat and a crimping rod, the connecting seat is connected with the crimping rod, and a closed limiting channel is formed between the connecting seat and the crimping rod; the connecting terminal is arranged on the connecting seat, and the guide rail is arranged in the connecting seat.
Preferably, the connecting seat and the press-connection rod are of an integrally formed structure.
Preferably, the crimp rod is cylindrical in shape.
Preferably, a limiting rod parallel to the crimping rod is arranged in the connecting seat, and the limiting rod is located below the limiting plate to limit the limiting plate to slide to the bottom of the connecting seat.
Preferably, the limiting plate both sides all are equipped with the recess, the recess slides respectively and sets up on the guide rail that corresponds.
Preferably, the width of the limiting plate in the first direction is greater than the diameter of the crimping rod in the ground wire connector, and the first direction is perpendicular to the axial horizontal direction of the crimping rod.
Preferably, the limiting plate is further provided with a limiting groove used for placing the lower pile head in the drop-out fuse along the first direction, and a magnetic block used for attracting the lower pile head in the drop-out fuse is arranged in the limiting groove.
Compared with the prior art, the beneficial effect of this application:
1. according to the method, the grounding wire connector is hung on the lower pile head of the drop-out fuse, and then the insulating operating rod is rotated to enable the limiting plate and the grounding wire connector to be clamped on the lower pile head of the drop-out fuse, so that when a grounding ring is not configured on a power transmission line, the grounding wire can be quickly lapped, the overall safety is high, the operation is convenient, and the carrying is convenient;
2. according to the method, the compression bar is designed to be cylindrical, so that the grounding wire can be easily buckled into the lower pile head of the drop-out fuse, the width of the limiting plate is larger than the diameter of the compression bar, when the lower pile head of the drop-out fuse is clamped, the contact area between the grounding wire and the lower pile head can be increased, and the grounding capacity is enhanced;
3. this application is convenient to be overhauld the construction operation and is hung and establish the earth connection, reduces the time of doing the safety measure for the maintenance, work progress reduces and has a power failure long time, reduces the consumption of materials such as part electricity testing ground ring, puncture ground ring.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a front view of the overall structure of the first embodiment of the present application.
Fig. 2 is a rear view of the overall structure of the first embodiment of the present application.
Fig. 3 is a front view of the overall structure of the second embodiment of the present application.
Fig. 4 is a schematic structural diagram of the limiting plate in fig. 3.
Fig. 5 is a sectional view of a connection structure of the connection screw and the limit plate in fig. 1.
In the figure, 1 is a ground wire connector, 11 is a crimping rod, 12 is a connecting seat, 13 is a connecting terminal, 15 is a limiting rod, and 16 is a guide rail;
14 is a limit plate, 141 is a limit groove, 142 is a magnetic block, 143 is a groove, and 144 is a T-shaped movable cavity; 2 is an insulating operating rod, and 21 is a connecting screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
The application provides a portable grounding device for a non-grounding ring, which comprises a grounding wire connector and an insulating operating rod, wherein the grounding wire connector is provided with a connecting terminal for connecting a grounding wire, a closed limiting channel is formed in the grounding wire connector, a guide rail is arranged in the closed limiting channel, a limiting plate is arranged on the guide rail in a sliding manner, and the limiting plate is matched with the grounding wire connector to be used for clamping a lower pile head of a drop-out fuse; the insulating operation rod is provided with a connecting screw rod, and the connecting screw rod penetrates a threaded hole formed in the grounding wire connector and is movably connected with the limiting plate. Through hanging the earth connection connector on drop out fuse's lower pile head, rotate above-mentioned insulating bar afterwards and make limiting plate and earth connection connector chucking drop out fuse's lower pile head, when not disposing the ground ring on the power transmission line, still can realize the quick overlap joint of earth connection, overall security is high, convenient operation, portable.
Example one
As shown in fig. 1-2, an embodiment of the present application discloses a portable grounding device for a ground-free ring, which includes a ground wire connector 1 and an insulating operating rod 2, wherein the ground wire connector 1 is provided with a connecting terminal 13 for connecting a ground wire, a limiting channel is provided in the ground wire connector 1, the limiting channel is a closed limiting channel, the shape of the limiting channel is square, a guide rail 16 is provided in the limiting channel, a limiting plate 14 is slidably provided on the guide rail 16, and the limiting plate 14 is matched with the ground wire connector 1 for clamping a lower pile head of a drop-out fuse; insulating action bars 2 is provided with connecting screw 21, connecting screw 21 passes the screw hole that earth connection connector 1 was seted up with limiting plate 14 swing joint. That is to say, before using, at first with the earth connection crimping on connecting terminal, hang the connector for working a telephone switchboard on drop out fuse's lower pile head afterwards, through rotating insulating bar, insulating bar drives limiting plate along guide rail rebound, pile head under limiting plate and the chucking of earth connection connector for whole earth connection hangs under on the pile head, and then under the prerequisite of no ground ring, realizes the quick overlap joint of earth connection.
It should be noted that, as shown in fig. 4 and 5, the limiting plate 14 has grooves 143 on both sides, the grooves 143 slide respectively on the corresponding guide rails 16, a T-shaped movable cavity 144 is provided in the limiting plate 14, a limiting seat is provided on the upper portion of the connecting screw 21, the connecting screw 21 and the limiting seat integrally form a T-shaped structure, the T-shaped structure is rotatably provided in the T-shaped movable cavity 144, and when the insulating operating rod is rotated, the insulating operating rod can drive the limiting plate to move upward.
In some embodiments, the ground wire connector 1 includes a connecting seat 12 and a press-connecting rod 11, the connecting seat 12 is welded to the press-connecting rod 11, the connecting seat 12 and the press-connecting rod 11 are integrally formed, and a closed limiting channel is formed between the connecting seat 12 and the press-connecting rod 11; the connection terminal 13 is disposed on the connection holder 12, and the guide rail 16 is disposed in the connection holder 12. That is to say, constitute the spacing passageway of closed type by the whole integral type structure of connecting seat and crimping stick, the earth connection of being convenient for easily hangs under on the pile head fast, simultaneously because pile head slippage under the closed spacing passageway avoids, helps pile head under the quick chucking.
In some embodiments, the crimp rod 11 is cylindrical in shape, and the width of the limiting plate 14 in the first direction, which is a horizontal direction perpendicular to the axial direction of the crimp rod, is greater than the diameter of the crimp rod 11 in the ground wire connector 1. That is to say, through designing the crimping stick for cylindrically, can make the earth connection easily buckle into on drop out fuse's lower pile head to the width of limiting plate is greater than the diameter of crimping stick, when chucking drop out fuse's lower pile head, still can increase the area of contact of earth connection and lower pile head, reinforcing ground connection ability.
In some embodiments, a limiting rod 15 parallel to the press-connection rod 11 is disposed in the connection seat 12, and the limiting rod 15 is located below the limiting plate 14 for limiting the limiting plate 14 from sliding to the bottom of the connection seat 12. That is to say, still be provided with the gag lever post that is used for restricting the limiting plate and slides to the bottom in the connecting seat, through setting the limiting plate to have a take the altitude, can rotate insulating bar chucking pile head down fast, shorten the activity duration, improve work efficiency.
Example two
As shown in fig. 3 and 4, the embodiment of the present application further provides a portable grounding device for a non-grounding ring, the limiting plate 14 is further provided with a limiting groove 141 along the first direction for placing the lower stub in the drop-out fuse, and the limiting groove 141 is provided with a magnetic block 142 for attracting the lower stub in the drop-out fuse. That is to say, through seting up the spacing groove on the limiting plate, when rotating insulating bar and drive limiting plate and lower pile head contact, can remove about, will descend the pile head and slide into the spacing groove, the pile head under the rotatory insulating bar makes spacing chucking afterwards rocks about avoiding the pile head to appear down, improves the stability when the pile head is connected down greatly.
The other structure is the same as the first embodiment.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims (8)

1. A portable grounding device for use with a ground-free ring, comprising:
the ground wire connector is provided with a connecting terminal for connecting a ground wire, a closed limiting channel is arranged in the ground wire connector, a guide rail is arranged in the closed limiting channel, a limiting plate is arranged on the guide rail in a sliding manner, and the limiting plate is matched with the ground wire connector to clamp a lower pile head of the drop-out fuse; and
the insulating operation pole, the insulating operation pole is provided with connecting screw, connecting screw passes the screw hole that the earth connection connector was seted up with limiting plate swing joint.
2. The portable grounding device for the ungrounded ring in claim 1, wherein the grounding wire connector comprises a connecting seat and a crimping rod, the connecting seat is connected with the crimping rod, and a closed limiting channel is formed between the connecting seat and the crimping rod; the connecting terminal is arranged on the connecting seat, and the guide rail is arranged in the connecting seat.
3. The portable grounding device for non-grounding rings in claim 2, wherein said connecting socket and said crimp rod are of an integrally formed structure.
4. A portable earthing device for no earthing ring according to claim 2 or 3, characterized in that, the shape of the crimping rod is cylindrical.
5. The portable grounding device for the ungrounded ring in claim 2, wherein a limiting rod is disposed in the connecting base in parallel with the crimping rod, and the limiting rod is located below the limiting plate for limiting the sliding of the limiting plate to the bottom of the connecting base.
6. The portable grounding device for ungrounded rings in accordance with claim 1, wherein the two sides of the position-limiting plate are provided with grooves, and the grooves are slidably disposed on the corresponding guide rails respectively.
7. The portable grounding device for ungrounded rings of claim 4, wherein the width of the limiting plate in a first direction is larger than the diameter of the crimp rod, and the first direction is a horizontal direction perpendicular to the axial direction of the crimp rod.
8. The portable grounding device for the non-grounding ring as in claim 7, wherein the limiting plate is further provided with a limiting groove for placing the lower stud head in the drop-out fuse along the first direction, and a magnet for attracting the lower stud head in the drop-out fuse is arranged in the limiting groove.
CN202122532523.9U 2021-10-20 2021-10-20 Portable grounding device for non-grounding ring Active CN216750320U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202122532523.9U CN216750320U (en) 2021-10-20 2021-10-20 Portable grounding device for non-grounding ring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202122532523.9U CN216750320U (en) 2021-10-20 2021-10-20 Portable grounding device for non-grounding ring

Publications (1)

Publication Number Publication Date
CN216750320U true CN216750320U (en) 2022-06-14

Family

ID=81923356

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202122532523.9U Active CN216750320U (en) 2021-10-20 2021-10-20 Portable grounding device for non-grounding ring

Country Status (1)

Country Link
CN (1) CN216750320U (en)

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