CN214796938U - Fixed transmission line ground wire insulator of clearance distance - Google Patents
Fixed transmission line ground wire insulator of clearance distance Download PDFInfo
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- CN214796938U CN214796938U CN202121412324.8U CN202121412324U CN214796938U CN 214796938 U CN214796938 U CN 214796938U CN 202121412324 U CN202121412324 U CN 202121412324U CN 214796938 U CN214796938 U CN 214796938U
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Abstract
The utility model discloses a fixed gap distance transmission line ground wire insulator, which comprises an insulator body 1 and metal electrodes 2, wherein metal connecting pieces 3 are arranged at two ends of the insulator body 1, and the metal electrodes 2 are arranged on the metal connecting pieces 3; the metal electrode 2 comprises an electrode mounting fastener 21 and right-angle electrode rods 22 which are fixedly connected, and the two right-angle electrode rods 22 are oppositely arranged; metal connecting piece 3 corresponds ground wire side electrode and ground connection side electrode and is equipped with the ring electrode mounting groove 31 around its circumference round respectively, and electrode mounting fastener 21 is the circular hoop form and establishes in ring electrode mounting groove 31 through the bolt fastening card, still is equipped with positioning groove 32 on the cell wall of ring electrode mounting groove 31, and positioning groove 32's extending direction and ring electrode mounting groove 31 set up perpendicularly, and it is equipped with locating pin 25 to correspond positioning groove 32 on the electrode mounting fastener 21 lateral wall.
Description
Technical Field
The utility model belongs to transmission line ground wire insulator field, concretely relates to fixed transmission line ground wire insulator of clearance distance.
Background
The overhead ground wire is a power line erected for protecting an overhead power transmission line from lightning strike, and the safe and stable operation of the overhead ground wire plays an important role in the operation condition of the overhead power transmission line. The ground wire insulator is arranged in an actual operation line, plays a role in lightning protection in a thunderstorm season, insulates the ground wire in an icing season, and achieves ice melting work of the line. In actual operation, metal electrodes at two ends of the ground wire insulator of the power transmission line are connected through a plurality of groups of bolt connecting pieces, and the metal electrodes are generally unstable in installation and are easy to loose, misplace, slide and buckle and the like.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome current bolted connection mode insecure, the shortcoming such as the electrode is not hard up, thread slipping appears easily, has proposed a fixed transmission line ground wire insulator of clearance distance, through doing certain configuration optimization to the ground wire insulator and handling, cooperates purpose-built metal electrode, can solve the installation problem that metal electrode exists in the current mounting means.
The utility model adopts the following technical scheme:
the utility model provides a fixed transmission line ground wire insulator of clearance distance which the key lies in: the insulator comprises an insulator body and metal electrodes, wherein metal connecting pieces are arranged at two ends of the insulator body, and the metal electrodes are arranged on the metal connecting pieces;
the metal electrode comprises an electrode mounting fastener and right-angle electrode rods which are fixedly connected, and the two right-angle electrode rods are oppositely arranged;
the two metal connecting pieces are respectively provided with a ring-shaped electrode mounting groove which is formed by winding a circle around the two metal electrodes corresponding to the two metal electrodes, and the electrode mounting fasteners are in a circular hoop shape and are fixedly clamped in the ring-shaped electrode mounting grooves through bolts;
still be equipped with positioning groove on the cell wall of ring electrode mounting groove, positioning groove's extending direction with the ring electrode mounting groove sets up perpendicularly, correspond on the electrode mounting fastener lateral wall positioning groove is equipped with the locating pin.
The effect of this scheme is: the metal connecting piece is provided with the annular electrode mounting groove and the positioning clamping groove, and then the metal electrode is mounted in place just opposite to the electrode mounting fastener, so that the metal electrode can be fixed in 2 directions in the circumferential direction and the axial direction, the metal electrode is effectively prevented from shifting and sliding, and the parallel gap structure of the metal electrode can be ensured, so that the lightning current can be transmitted to the ground through the metal electrode when the overhead ground wire is subjected to the lightning current in a thunderstorm season, and the safe operation of a power transmission line is protected; in the icing season, the ground wire insulator insulates the ground wire, and the ice melting work of the line can be realized.
Preferably, the electrode mounting fastener comprises a bottom fastener and a top fastener which are both semicircular, the right-angle electrode rod is fixedly mounted on the top center line of the top fastener, and the positioning pin is arranged on the bottom center line of the bottom fastener.
The effect of this scheme is: the right-angle electrode rod position of metal electrode can accurate positioning, guarantees that two right-angle electrode rods are just to setting up, is favorable to strengthening the lightning-arrest effect of metal electrode.
As an optimal scheme, the outer ends of the two metal connecting pieces are respectively provided with a line connecting platform, the horizontal end faces of the two line connecting platforms are arranged vertically, and the line connecting platforms are further provided with connecting holes. The effect of this scheme is: the installation of the ground wire insulator is convenient.
Preferably, the end of the right-angle electrode rod is spherical. The effect of this scheme is: so as to increase the contact area, namely, improve the lightning protection effect of the metal electrode.
Has the advantages that: the utility model discloses a fixed transmission line ground wire insulator of clearance distance sets up ring electrode mounting groove and positioning slot on metal connecting piece, can fix metal electrode circumference and 2 directions of axial, prevents effectively that it from shifting and sliding, can guarantee the parallel gap structure of metal electrode to realize the ground wire insulator in thunderstorm season, when the overhead ground wire receives the thunderbolt current, can transmit the thunderbolt current to the ground through metal electrode, thereby protect the safe operation of transmission line; in icing seasons, the ground wire insulator insulates the ground wire, so that the ice melting work of the line can be realized, and the scheme has a simple structure, is convenient to install and has a good lightning protection effect.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the insulator body 1;
fig. 3 is a schematic structural view of the metal electrode 2.
Detailed Description
The invention is described in further detail below with reference to the following figures and examples:
example (b): as shown in the attached drawings 1-3, the power transmission line ground wire insulator with a fixed gap distance comprises an insulator body 1 and metal electrodes 2, wherein metal connecting pieces 3 are arranged at two ends of the insulator body 1, the metal electrodes 2 are arranged on the metal electrode connecting pieces 3, and umbrella skirt sheaths 4 are arranged in the middle of the insulator body 1; the metal electrode 2 comprises an electrode mounting fastener 21 and right-angle electrode rods 22 which are fixedly connected, and the two right-angle electrode rods 22 are oppositely arranged; the two metal connecting pieces 3 are respectively provided with a ring-shaped electrode mounting groove 31 which is formed in a circle around the circumference of each metal electrode 2 corresponding to the two metal electrodes, the electrode mounting fasteners 21 are in a circular hoop shape and are fixedly clamped in the ring-shaped electrode mounting grooves 31 through bolts, all the bolts are national standard pieces and comprise hexagon head bolts and hexagon nuts, and bolt connecting pieces of the same type are adopted; still be equipped with positioning groove 32 on the cell wall of ring electrode mounting groove 31, positioning groove 32's extending direction sets up with ring electrode mounting groove 31 is perpendicular, corresponds positioning groove 32 on the electrode mounting fastener 21 lateral wall and is equipped with locating pin 25.
Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.
Claims (5)
1. The utility model provides a fixed transmission line ground wire insulator of clearance distance which characterized in that: the insulator comprises an insulator body (1) and metal electrodes (2), wherein metal connecting pieces (3) are arranged at two ends of the insulator body (1), and the metal electrodes (2) are arranged on the metal connecting pieces (3);
the metal electrode (2) comprises an electrode mounting fastener (21) and right-angle electrode rods (22) which are fixedly connected, and the two right-angle electrode rods (22) are oppositely arranged;
the two metal connecting pieces (3) are respectively provided with a ring-shaped electrode mounting groove (31) which is formed by winding a circle around the circumference of the two metal electrodes (2) corresponding to the two metal connecting pieces, and the electrode mounting fastener (21) is in a circular hoop shape and is fixedly clamped in the ring-shaped electrode mounting groove (31) through a bolt;
still be equipped with positioning groove (32) on the cell wall of ring electrode mounting groove (31), positioning groove (32) the extending direction with ring electrode mounting groove (31) set up perpendicularly, correspond on electrode mounting fastener (21) lateral wall positioning groove (32) are equipped with locating pin (25).
2. The transmission line ground insulator with the fixed gap distance according to claim 1, characterized in that: electrode installation fastener (21) are including bottom fastener (23) and top fastener (24) that are the semicircle ring-type, right angle electrode pole (22) fixed mounting be in on top fastener (24) top central line, establish locating pin (25) be in on bottom fastener (23) bottom central line.
3. The transmission line ground insulator with the fixed gap distance according to claim 1, characterized in that: two metal connecting piece (3) outer end is equipped with line connection platform (34) respectively, two the relative perpendicular setting of horizontal terminal surface of line connection platform (34), still be equipped with connecting hole (33) on line connection platform (34).
4. The transmission line ground insulator with the fixed gap distance according to claim 1, characterized in that: the end part of the right-angle electrode rod (22) is spherical.
5. The transmission line ground insulator with the fixed gap distance according to claim 1, characterized in that: and the surface of the metal electrode (2) is subjected to galvanizing antiseptic treatment.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121412324.8U CN214796938U (en) | 2021-06-24 | 2021-06-24 | Fixed transmission line ground wire insulator of clearance distance |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202121412324.8U CN214796938U (en) | 2021-06-24 | 2021-06-24 | Fixed transmission line ground wire insulator of clearance distance |
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CN214796938U true CN214796938U (en) | 2021-11-19 |
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CN202121412324.8U Active CN214796938U (en) | 2021-06-24 | 2021-06-24 | Fixed transmission line ground wire insulator of clearance distance |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114068113A (en) * | 2021-12-01 | 2022-02-18 | 芦溪县鸿泰工业瓷厂 | Ground wire insulator |
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2021
- 2021-06-24 CN CN202121412324.8U patent/CN214796938U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114068113A (en) * | 2021-12-01 | 2022-02-18 | 芦溪县鸿泰工业瓷厂 | Ground wire insulator |
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