CN212847907U

CN212847907U - Insulating power line double-fastening multifunctional lightning protection insulator with electroscopic grounding ring

Info

Publication number: CN212847907U
Application number: CN202022348435.9U
Authority: CN
Inventors: 刘进生; 刘建宁; 刘家旺
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-09
Filing date: 2020-10-21
Publication date: 2021-03-30
Anticipated expiration: 2030-10-21
Also published as: CN212847908U

Abstract

An insulated power line double-fastening multifunctional lightning protection insulator with an electricity testing grounding ring comprises an insulator main body with a rubber rainproof disc, wherein a metal end is arranged at the upper end of the insulator main body, and a metal screw rod and a mounting nut are arranged on the axis of the lower end of the insulator main body; the top end of the metal end is provided with a jointing clamp, the jointing clamp consists of a bottom plate, a top plate, a screw rod and a jointing clamp nut, and a wire clamping groove is arranged between the top plate and the bottom plate. Two ends of the wire clamping groove of the bottom plate are provided with gradually expanding openings which are integrated with the bottom plate, and extension grooves which are smoothly connected with the wire clamping groove on the bottom plate are arranged on the gradually expanding openings; a stable disc is fixed on the metal screw. The utility model has the advantages that: the extension grooves and the gradually-expanded ports are additionally arranged at the two ends of the wire clamping groove of the wiring clamp base plate, so that the damage effect of wind power on a power line is greatly reduced, and the operation safety of a power network is greatly improved; the stable disc on the metal screw rod greatly increases the contact area with the cross arm and improves the stability.

Description

Insulating power line double-fastening multifunctional lightning protection insulator with electroscopic grounding ring

Technical Field

The utility model relates to a two tight multi-functional lightning protection insulators of insulating power line with test electric grounding ring for electric power transmission line's support.

Background

The insulator is the supporting component that power transmission line was used commonly, and prior art's primary structure is including having the vase insulator or the rubber insulator of rain-proof dish, is equipped with the metal end respectively at the upper end and the lower extreme of insulator main part, is equipped with metal screw rod and mounting nut at the axis of lower extreme, is equipped with the binding clip that is used for fixed power line on the top of the metal end at the top. The binding clip generally comprises a bottom plate, a top plate, screw rods and nuts, wherein at least two screw rods are arranged on the bottom plate, and a wire clamping groove for clamping a power line is arranged between the top plate and the bottom plate. During installation, the power line is placed in the wire clamping groove described by the bottom plate, the top plate is arranged on the bottom plate, the screw rods are inserted into the two through holes of the top plate, and the top ends of the screw rods are fastened by nuts. Because the power line swings like a swing under the action of wind force, the adjacent part of the power line and the jointing clamp is repeatedly acted by sharp bends at two ends of a wire clamping groove of the jointing clamp, so that the periphery of the power line at the position is mainly at two sides) is frequently compressed and stretched, and the power line is easy to break after a long time, and the power failure accident caused by the frequent compression and stretching happens occasionally; in addition, when the insulator is applied, the metal screw is fixed with the cross arm of the telegraph pole through the mounting nut, and the insulator is easy to incline under the tension of the electric power line because the contact area between the metal screw and the cross arm is small.

Disclosure of Invention

The utility model aims at providing a two tight multi-functional lightning protection insulators of insulating power line with test electricity ground ring to solve the above-mentioned problem that prior art exists.

The technical scheme of the utility model is that: an insulated power line double-fastening multifunctional lightning protection insulator with an electricity testing grounding ring comprises an insulator main body with a rubber rainproof disc, wherein a metal end is arranged at the upper end of the insulator main body, and a metal screw rod and a mounting nut are arranged on the axis of the lower end of the insulator main body; the top end of the metal end is provided with a jointing clamp, the jointing clamp consists of a bottom plate, a top plate, a screw rod and a jointing clamp nut, the top plate is arranged on the bottom plate and is mutually fastened through the screw rod and the jointing clamp nut, and a wire clamping groove is arranged between the top plate and the bottom plate; a stabilizing disc is fixed on the metal screw, and the mounting nut is mounted below the stabilizing disc.

The utility model has the advantages that: the extension grooves and the gradually-flaring openings are additionally arranged at the two ends of the wire clamping groove of the bottom plate of the jointing clamp, and because the bending angle of the gradually-flaring openings to the power line is arc-shaped, when the power line swings, the compression and stretching effects to the power line are greatly reduced, so that the damage effect of wind power to the power line is greatly reduced, and the operation safety of a power network is greatly improved; the stable disc on the metal screw rod greatly increases the contact area with the cross arm and improves the stability.

Drawings

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

FIG. 2 is a schematic perspective view of the embodiment of FIG. 1 with the safety shield installed;

fig. 3 is a schematic perspective view of a second embodiment of the present invention (an electroscopic grounding ring is added on the first embodiment);

FIG. 4 is a schematic perspective view of the embodiment of FIG. 3 with the safety shield installed;

fig. 5 is a schematic perspective view of a third embodiment of the present invention (a lightning protection mechanism is added to the first embodiment);

FIG. 6 is a schematic perspective view of the embodiment of FIG. 5 with the safety shield installed;

fig. 7 is a schematic perspective view of a fourth embodiment of the present invention (an electroscopic grounding ring and a lightning protection mechanism are added on the basis of the first embodiment);

FIG. 8 is a schematic perspective view of the embodiment of FIG. 7 with the safety shield installed;

fig. 9 is a schematic perspective view of a fifth embodiment of the present invention (an electroscopic grounding ring is disposed on the lightning rod).

Fig. 10 is a perspective view of the embodiment of fig. 9 with the safety shield installed.

Description of reference numerals: 1. porcelain insulator main part, 2, binding clip, 21, bottom plate, 22, roof, 23, screw rod, 24, binding clip nut, 3, extension groove, 4, flaring, 5, fixed limit, 6, screw, 7, line ball piece, 8, fastening nut, 9, safety guard, 91, throat, 93, butt joint limit, 94, hasp, 95, lower boss, 97, rain-shielding edge, 10, electricity-testing grounding ring, 11, metal end, 12, metal screw, 13, lightning rod, 14, discharge head, 15, discharge head support arm, 16, ground terminal, 17, lightning rod connecting plate, 18, connecting arm, 19, stabilizing disc, 191, convex tube, 192, reinforcing rib.

Detailed Description

Referring to fig. 1 and 2, the first embodiment of the multifunctional dual-tight lightning protection insulator for the insulated power line with the electricity testing grounding ring of the present invention comprises a rubber insulator main body 1 with a rain-proof disc, a metal end 11 is arranged at the upper end of the rubber insulator main body 1, and a metal screw 12 and a mounting nut are arranged on the axis of the lower end of the rubber insulator main body 1; the top end of the metal end 11 is provided with a binding clip 2, the binding clip 2 is composed of a bottom plate 21, a top plate 22, a screw 23 and a binding clip nut 24, the top plate 22 is arranged on the bottom plate 21 and is mutually fastened through the screw 23 and the binding clip nut 24, and a wire clamping groove is arranged between the top plate 22 and the bottom plate 21. The two ends of the thread clamping groove of the bottom plate 21 are provided with gradually expanding openings 4 which are integrated with the bottom plate 21, and the inner peripheral surfaces of the adjacent ends of the gradually expanding openings 4 and the bottom plate 21 are smoothly connected with the inner side of the thread clamping groove. A stabilizing disc 19 is fixed to the metal screw 12, and the mounting nut is mounted below the stabilizing disc 19. A convex tube 191 is arranged at the upper end of the stabilizing disc 19, and a reinforcing rib 192 is arranged between the upper surface of the stabilizing disc 19 and the convex tube 191.

An integrated extension groove 3 is arranged between the two ends of the wire clamping groove of the bottom plate 21 and the divergent opening 4, and the shape of the extension groove 3 is the same as that of the wire clamping groove; a line pressing block 7 (a line clamping groove can also be arranged on the upper surface) is arranged on the extending groove 3, and the line pressing block 7 and the extending groove 3 are connected with each other through a connecting piece.

The connecting piece comprises at least one pair of screws 6 and fastening nuts 8 matched with the screws, wherein the screws of the screws 6 face upwards, and the fastening nuts 8 are arranged after penetrating through the fixing edges 5 arranged at the two sides of the extension groove 3 and the through holes on the line pressing block 7.

The metal end 11, the jointing clamp 2, the extension groove 3, the gradually expanding opening 4 and the connecting piece are all installed in a safety cover 9 (see fig. 2), two opposite ends of the safety cover 9 are provided with reducing openings 91 for passing through a power line, the safety cover 9 is divided into two half parts which are mutually buckled from the part below the axis of the reducing openings 91, the lower sides of the two half parts are provided with mutually corresponding butting edges 93, and the butting edges 93 are mutually butted through hasps 94. The shape of the safety cover 9 is designed according to the structural outline of the upper part of the upper metal end 11, the bottom end of the middle part is provided with a lower convex part 95 for wrapping the metal end 11, the two sides of the lower convex part 95 are also provided with butt joint edges 93, and the lower convex part are connected with each other through a buckle 94. The safety cover 9 is made of plastic or rubber. For the embodiment provided with the electroscopic grounding ring 10 (see fig. 3, 4, 7 and 8) and the lightning protection mechanism (i.e. the lightning rod 13, the discharge head 14, the discharge head support arm 15 and the grounding terminal 16, see fig. 5-10), the safety shield 9 is left with a corresponding outlet (see fig. 6, 8 and 10), and a rain-stopping edge 97 (see fig. 4 and 8) is provided above the outlet of the connecting arm 18 of the electroscopic grounding ring 10. The safety shield 9 is prior art.

Referring to fig. 3 and 4, in this embodiment, based on the previous embodiment, an electroscopic grounding ring 10 is connected to the top plate 22 side of the terminal clamp 2 through the connecting arm 18. A corresponding safety shield 9 is also provided.

Referring to fig. 5 and 6, in this embodiment, in addition to the first embodiment, a lightning rod connecting plate 17 protruding downward is provided at the bottom of the extension groove 3, a lightning rod 13 bent downward is connected to the outside of the lightning rod connecting plate 17, a discharge end facing the lower end of the insulator is provided at the lower end of the lightning rod 13, and a discharge head 14 opposite to the discharge end of the lightning rod is provided at the lower portion of the rubber insulator body 1.

In this embodiment, the top end of the lightning rod 13 may be directly connected to one side of the metal end 11 (not shown).

Referring to fig. 7 and 8, the embodiment is based on the first embodiment, and is provided with an electroscopic grounding ring 10 and a lightning protection mechanism (i.e. a lightning rod 13, a discharge head 14, a discharge head supporting arm 15 and a grounding terminal 16), and is also provided with a corresponding safety shield 9. The positions of the electricity testing grounding ring 10 and the lightning rod 13 are staggered by 90 degrees.

In the lightning protection mechanism, an L-shaped or U-shaped discharge head support arm 15 is connected to the metal screw 12, and one end of the discharge head support arm 15, which is bent upwards, is connected to the discharge head 14; the other end of the U-shaped discharge head support arm 15 is connected to a ground terminal 16. The discharge head support arm 15 is circular in the middle and has the same diameter as the stabilizing disc 19.

Referring to fig. 9 and 10, the embodiment is provided with an electricity testing grounding ring 10 in the middle of the lightning rod 13, and the structure is simplified. A corresponding safety shield 9 is also provided.

Claims

1. An insulated power line double-fastening multifunctional lightning protection insulator with an electricity testing grounding ring comprises an insulator main body (1) with a rubber rainproof disc, wherein a metal end (11) is arranged at the upper end of the insulator main body (1), and a metal screw rod (12) and a mounting nut are arranged on the axis of the lower end of the insulator main body (1); the wire clip is characterized in that two ends of the wire clipping groove of the bottom plate (21) are provided with gradually expanding holes (4) which are integrated with the bottom plate (21), the gradually expanding holes (4) are provided with extension grooves (3) which are smoothly connected with the wire clipping groove on the bottom plate (21), wire pressing blocks (7) are arranged on the extension grooves (3), and the wire pressing blocks (7) are connected with two sides of the extension grooves (3) through connecting pieces; a stabilizing disc (19) is fixed on the metal screw (12), and the mounting nut is mounted below the stabilizing disc (19).

2. The double-fastening multifunctional lightning protection insulator for the insulated power line with the electroscopic grounding ring as recited in claim 1, characterized in that the connecting member is composed of at least a pair of screws (6) and fastening nuts (8) matched with the screws, the screw of the screw (6) is upward, and the fastening nuts (8) are installed after passing through the fixing edges (5) arranged at both sides of the extending groove (3) and the through holes on the line pressing block (7).

3. The double-fastening multifunctional lightning protection insulator for the insulated power line with the electricity testing grounding ring is characterized in that the metal end (11), the jointing clamp (2), the extension groove (3), the gradually expanding opening (4) and the connecting piece are all installed in a safety cover (9), reducing openings (91) for passing through the power line are formed in two opposite ends of the safety cover (9), the safety cover (9) is divided into two half parts which are buckled with each other from the part below the axis of the reducing openings (91), butt joint edges (93) corresponding to each other are arranged on the lower sides of the two half parts, and the butt joint edges (93) are butted with each other through the buckles (94); a lower convex part (95) used for wrapping the metal end (11) is arranged in the middle of the bottom end of the safety cover (9), and butt joint edges (93) are also arranged on two sides of the lower convex part (95) and are connected with each other through a hasp (94); the safety cover (9) is made of plastic or rubber.

4. The double-fastened multifunctional lightning protection insulator for insulated power lines with an electroscopic grounding ring as claimed in claim 1, characterized in that an electroscopic grounding ring (10) is connected to one side of the top plate (22) of the binding clip (2) through a connecting arm (18).

5. The double-tight multifunctional lightning protection insulator for the insulated power line with the electricity testing grounding ring is characterized in that a lightning rod connecting plate (17) which is integrally connected is arranged at the bottom of the extension groove (3), a lightning rod (13) which is bent downwards is connected to the outer side of the lightning rod connecting plate (17), a discharging end which faces the lower end of the insulator is arranged at the lower end of the lightning rod (13), and a discharging head (14) which is opposite to the discharging end of the lightning rod is arranged at the lower part of the insulator main body (1); the positions of the lightning rod (13) and the electricity testing grounding ring (10) are staggered by 90 degrees; or the top end of the lightning rod (13) is connected with one side of the metal end (11).

6. The double-tight multifunctional lightning protection insulator for the insulated power line with the electricity testing grounding ring is characterized in that a lightning rod connecting plate (17) which is integrally connected is arranged at the bottom of the extension groove (3), a lightning rod (13) which is bent downwards is connected to the outer side of the lightning rod connecting plate (17), a discharging end which faces the lower end of the insulator is arranged at the lower end of the lightning rod (13), and a discharging head (14) which is opposite to the discharging end of the lightning rod is arranged at the lower part of the insulator main body (1); or the top end of the lightning rod (13) is connected with one side of the metal end (11).

7. The double-fastening multifunctional lightning protection insulator for the insulated power lines with the electroscopic grounding ring as claimed in claim 5 or 6, characterized in that an L-shaped or U-shaped discharge head supporting arm (15) is connected to the metal screw (12), and one end of the discharge head supporting arm (15) bent upwards is connected to the discharge head (14); the other end of the U-shaped discharge head support arm (15) is connected to a ground terminal (16).

8. The double-fastening multifunctional lightning protection insulator for insulated power lines with an electroscopic grounding ring as claimed in claim 6, characterized in that the middle of the lightning rod (13) is provided with an electroscopic grounding ring (10).

9. The double-fastened multifunctional lightning protection insulator for insulated power lines with an electroscopic grounding ring as claimed in claim 1, characterized in that a protruding tube (191) is provided at the upper end of said stabilizing disc (19), and a reinforcing rib (192) is provided between the upper surface of said stabilizing disc (19) and the protruding tube (191).