CN213959696U

CN213959696U - Novel insulator structure

Info

Publication number: CN213959696U
Application number: CN202022234686.4U
Authority: CN
Inventors: 余罡; 左希礼; 师红亮; 徐志伟; 涂越贞
Original assignee: Huaneng Zhaojue Wind Power Co ltd
Current assignee: Huaneng Zhaojue Wind Power Co ltd
Priority date: 2020-10-09
Filing date: 2020-10-09
Publication date: 2021-08-13
Anticipated expiration: 2030-10-09

Abstract

The utility model provides a novel insulator structure, including hanging dress mechanism, first yoke plate, two sets of insulator string, second yoke plate and strain clamp, insulator string sets up side by side, hang dress mechanism, first yoke plate, insulator string, second yoke plate and strain clamp and connect gradually, be equipped with the equalizer ring device on the second yoke plate, the cladding of equalizer ring device insulator string's bottom, the equalizer ring device includes first U type semi-ring and second U type semi-ring, first U type semi-ring with second U type semi-ring structure is the same, first U type semi-ring with second U type semi-ring symmetry respectively sets up the both sides face of second yoke plate to connect first U type semi-ring, second yoke plate, second U type semi-ring through the bolt in proper order. The utility model discloses a grading ring setting can effectively be lightning-proofed, conveniently changes the grading ring device again, is two with the grading ring device split, can practice thrift the cost during change.

Description

Novel insulator structure

Technical Field

The utility model relates to an insulator technical field particularly, relates to a novel insulator structure.

Background

Insulators are devices that can withstand the action of voltage and mechanical stress, mounted between conductors of different electrical potentials or between a conductor and a grounded member. The insulators are various in types and shapes, and the structures and the appearances of the insulators of different types are greatly different, but the insulators are composed of two parts, namely an insulating part and a connecting hardware fitting.

The insulator is a special insulating control and can play an important role in an overhead transmission line. Early-year insulators are mostly used for telegraph poles, and a plurality of disc-shaped insulators are hung at one end of a high-voltage wire connecting tower which is gradually developed, are used for increasing creepage distance and are usually made of glass or ceramics, namely insulators. The insulator should not fail due to various electromechanical stresses caused by changes in environmental and electrical loading conditions, otherwise the insulator will not function significantly and will compromise the service and operational life of the entire line.

The grading ring is an annular hardware fitting for improving voltage distribution of the insulator string, has two functions of grading and preventing side lightning, and is particularly important in the insulator structure, but the existing grading ring has the characteristics of heaviness, inconvenience in replacement and the like, the whole grading ring needs to be replaced under the condition of needing to be replaced, the replacement difficulty is complex, and the replacement cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a novel insulator structure, its equalizer ring device can average the voltage on the insulator chain, and the lightning protection is hit, conveniently changes again, practices thrift the cost.

The embodiment of the utility model discloses a realize through following technical scheme:

the utility model provides a novel insulator structure, includes to hang dress mechanism, first yoke plate, two sets of insulator string, second yoke plate and strain clamp, insulator string sets up side by side, hang dress mechanism, first yoke plate, insulator string, second yoke plate and strain clamp and connect gradually, be equipped with the equalizer ring device on the second yoke plate, equalizer ring device cladding insulator string's bottom, the equalizer ring device includes first U type semi-ring and second U type semi-ring, first U type semi-ring with second U type semi-ring structure is the same, first U type semi-ring with second U type semi-ring symmetry respectively sets up the both sides face of second yoke plate to connect first U type semi-ring, second U type semi-ring in proper order through the bolt.

Preferably, the cross section of the first U-shaped half ring is arc-shaped, the length of the bottom side of the first U-shaped half ring is longer than the length of the two sides of the first U-shaped half ring, the two ends of the first U-shaped half ring extend in opposite directions but are not connected, and the two ends of the first U-shaped half ring are further provided with threaded holes.

Preferably, the hanging mechanism comprises a trunnion hanging plate, a first hanging ring, a second hanging ring, an adjusting plate and a first hanging plate, the trunnion hanging plate, the first hanging ring, the second hanging ring, the adjusting plate and the first hanging plate are sequentially connected, the trunnion hanging plate is installed on the transmission line cross arm, and the first hanging plate is connected with the first yoke plate.

Preferably, the top of the insulator string is connected with a ball head hanging ring, one end of the ball head hanging ring, which is far away from the insulator string, is connected with a second hanging plate, and the second hanging plate is connected with the first connecting plate.

Preferably, the bottom end of the insulator string is connected with a socket hanging plate, and one end, far away from the insulator string, of the socket hanging plate is installed on the second yoke plate.

Preferably, one end of the second gusset plate, which is far away from the insulator, is connected with the strain clamp through a third suspension loop.

Preferably, the insulator string is composed of a plurality of insulators.

Preferably, the insulator is a 120kN antifouling type glass insulator.

Preferably, the first hanging ring, the second hanging ring and the third hanging ring are all U-shaped hanging rings.

Preferably, the strain clamp includes fastener main part, steel anchor, drainage plate and drainage fastener, the steel anchor includes steel anchor link and stock, the steel anchor link with stock fixed connection, the stock embedded in the fastener main part, drainage plate fixed connection be in on the fastener main part, the other end of drainage plate with the drainage fastener is connected.

The utility model discloses technical scheme has following advantage and beneficial effect at least:

1. the utility model splits the grading ring device into two U-shaped semi-rings, has simple structure, is convenient to be replaced, and saves cost during replacement;

2. the utility model discloses connect insulator chain fixed position on first yoke plate and second yoke plate, let insulator chain be in parallel state all the time, guarantee that insulator chain each point atress is balanced.

The utility model relates to a rationally, simple structure, the simple installation.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a top view of a novel insulator provided in embodiment 1 of the present invention;

fig. 2 is a front view of a novel insulator body provided in embodiment 1 of the present invention:

fig. 3 is an enlarged schematic view at a in fig. 1:

fig. 4 is a structure diagram of a strain clamp provided in embodiment 1 of the present invention;

icon: 1-hanging mechanism, 11-trunnion hanging plate, 12-first hanging ring, 13-second hanging ring, 14-adjusting plate, 15-first hanging plate, 2-first connecting plate, 3-insulator string, 4-second connecting plate, 5-strain clamp, 51-clamp main body, 52-steel anchor, 53-drainage plate, 54-drainage clamp, 6-equalizing ring device, 61-first U-shaped semi ring, 62-second U-shaped semi ring, 7-ball head hanging ring, 8-second hanging plate, 9-socket hanging plate and 10-third hanging ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of this application is used, the description is only for convenience of description and simplification, but the indication or suggestion that the device or element to be referred must have a specific orientation, be constructed in a specific orientation and be operated is not to be construed as limiting the present invention.

In the description of the present invention, it should be further noted that unless otherwise explicitly stated or limited, the terms "disposed," "mounted," "connected," and "connected" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1-4, a novel insulator structure comprises a hanging mechanism 1, a first yoke plate 2, two groups of insulator strings 3, a second yoke plate 4 and a strain clamp 5, the insulator strings 3 are arranged side by side, the hanging mechanism 1, the first yoke plate 2, the insulator strings 3, the second yoke plate 4 and the strain clamp 5 are connected in sequence, the second yoke plate 4 is provided with a grading ring device 6, the grading ring device 6 wraps the bottom of the insulator string 3, the equalizing ring device 6 comprises a first U-shaped half ring 61 and a second U-shaped half ring 62, the first U-shaped half ring 61 and the second U-shaped half ring 62 have the same structure, the first U-shaped half ring 61 and the second U-shaped half ring 62 are respectively symmetrically arranged on two side surfaces of the second linkage plate 4, and the first U-shaped semi-ring 61, the second linkage plate 4 and the second U-shaped semi-ring 62 are connected in sequence through bolts.

The insulator structure is arranged on a cross arm of a transmission lead by the hanging mechanism 1, the hanging mechanism 1 is connected with the insulator string 3 through the first connecting plate 2, the insulator string 3 is connected with the strain clamp 5 through the second connecting plate 4, the first connecting plate 2 and the second connecting plate 4 are isosceles triangle plate-shaped structures respectively, one ends of two groups of insulator strings 3 are correspondingly connected with two base angles of the first connecting plate 2 one by one respectively, the other ends of the insulator strings 3 are correspondingly connected with two base angles of the second connecting plate 4 one by one respectively, the joints of the first connecting plate 2 and the insulator strings 3 are marked as a and b respectively, the joints of the second connecting plate 4 and the insulator strings 3 are marked as c and d respectively, a and c are joints at two ends of one group of insulator strings 3, and b and d are joints at two ends of the other group of insulator strings 3, a. b, c and d form a parallelogram, and the purpose of the parallelogram is to ensure that two groups of insulator strings 3 are always in a parallel state, and all stress points of the insulator strings 3 are uniform.

The equalizing ring device 6 is divided into the first U-shaped half ring 61 and the second U-shaped half ring 62, so that when one of the U-shaped half rings is damaged by lightning, only one U-shaped half ring needs to be replaced, the cost is saved, and the first U-shaped half ring 61 and the second U-shaped half ring 62 are connected to two side surfaces of the second coupling plate 4 through bolts, so that the replacement is convenient.

The cross section of the first U-shaped half ring 61 is arc-shaped, the length of the bottom side of the first U-shaped half ring 61 is longer than the lengths of the two sides of the first U-shaped half ring 61, the two ends of the first U-shaped half ring 61 extend in opposite directions but are not connected, and the two ends of the first U-shaped half ring 61 are further provided with threaded holes. The purpose of making the cross section of the first U-shaped half ring 61 arc is to wrap the first U-shaped half ring 61 around the insulator string 3, and the first U-shaped half ring 61 is sleeved around the insulator string 3 to average the voltage of the insulator string 3 and prevent the insulator string 3 from being struck by lightning.

Hang dress mechanism 1 and include trunnion link plate 11, first link 12, second link 13, adjusting plate 14 and first link 15, trunnion link plate 11, first link 12, second link 13, adjusting plate 14 and first link 15 connect gradually, trunnion link plate 11 is installed on the transmission line cross arm, first link 15 with first yoke plate 2 is connected. The trunnion hanging plate 11 is in bolted connection with the first hanging ring 12, the first hanging ring 12 is in buckled connection with the second hanging ring 13, the second hanging ring 13 is in bolted connection with the adjusting plate 14, and the other end of the adjusting plate 14 is in bolted connection with the first hanging plate 15.

The top of the insulator string 3 is connected with a ball head hanging ring 7, one end, far away from the insulator string 3, of the ball head hanging ring 7 is connected with a second hanging plate 8, and the second hanging plate 8 is connected with the first connecting plate 2.

The bottom end of the insulator string 3 is connected with a socket hanging plate 9, and one end, far away from the insulator string 3, of the socket hanging plate 9 is installed on the second coupling plate 4.

The quantity of bulb link 7, second link plate 8 and socket link plate 9 with the quantity of insulator chain 3 corresponds, is 2, second link plate 8 respectively in a and b junction with first yoke plate 2 is connected, socket link plate 9 respectively in c and d junction with second yoke plate 4 is connected.

And one end of the second gusset plate 4, which is far away from the insulator, is connected with the strain clamp 5 through a third hanging ring 10.

The insulator string 3 is composed of a plurality of insulators. In this embodiment, the number of the insulators is 19.

The insulator is a 120kN antifouling glass insulator.

The first hanging ring 12, the second hanging ring 13 and the third hanging ring 10 are all U-shaped hanging rings, the model of the first hanging ring 12 is UL-16, the model of the second hanging ring 13 is U-16, and the model of the third hanging ring 10 is UL-10.

Strain clamp 5 includes fastener main part 51, steel anchor 52, drainage plate 53 and drainage fastener 54, steel anchor 52 includes steel anchor 52 link and stock, steel anchor 52 link with stock fixed connection, the stock is embedded in fastener main part 51, drainage plate 53 fixed connection be in on the fastener main part 51, the other end of drainage plate 53 with drainage fastener 54 is connected. The fastener main part 51 is cavity aluminum alloy pipe, including straight-bar section and crimping section, steel anchor 52 includes 52 links of steel anchor and stock, the one end of stock is cavity blind pipe portion, the other end is solid portion, the 52 links of steel anchor are connected to solid portion, well kenozooecium passes fastener main part 51 one end and stretches into in fastener main part 51, be equipped with the hollow tube that hardness ratio carbon-fibre composite core hardness is little in the cavity blind pipe portion, cavity blind pipe position is in fastener main part 51's straight-bar section, solid position is in fastener main part 51's crimping section, the one end of drainage plate 53 is fixed on fastener main part 51's straight-bar section, the other end and drainage fastener 54 bolted connection.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The novel insulator structure is characterized by comprising a hanging mechanism (1), a first connecting plate (2), two groups of insulator strings (3), a second connecting plate (4) and a strain clamp (5), wherein the insulator strings (3) are arranged side by side, the hanging mechanism (1), the first connecting plate (2), the insulator strings (3), the second connecting plate (4) and the strain clamp (5) are sequentially connected, a grading ring device (6) is arranged on the second connecting plate (4), the grading ring device (6) coats the bottom of the insulator strings (3), the grading ring device (6) comprises a first U-shaped semi-ring (61) and a second U-shaped semi-ring (62), the first U-shaped semi-ring (61) and the second U-shaped semi-ring (62) are identical in structure, and the first U-shaped semi-ring (61) and the second U-shaped semi-ring (62) are respectively and symmetrically arranged on two side faces of the second connecting plate (4), and the first U-shaped semi-ring (61), the second connecting plate (4) and the second U-shaped semi-ring (62) are connected in sequence through bolts.

2. The novel insulator structure according to claim 1, wherein the cross section of the first U-shaped half ring (61) is arc-shaped, the length of the bottom side of the first U-shaped half ring (61) is longer than the length of the two sides of the first U-shaped half ring (61), the two ends of the first U-shaped half ring (61) extend towards each other but are not connected with each other, and threaded holes are further formed in the two ends of the first U-shaped half ring (61).

3. The novel insulator structure according to claim 1, wherein the hanging mechanism (1) comprises a trunnion hanging plate (11), a first hanging ring (12), a second hanging ring (13), an adjusting plate (14) and a first hanging plate (15), the trunnion hanging plate (11), the first hanging ring (12), the second hanging ring (13), the adjusting plate (14) and the first hanging plate (15) are sequentially connected, the trunnion hanging plate (11) is installed on a transmission line cross arm, and the first hanging plate (15) is connected with the first connecting plate (2).

4. The novel insulator structure according to claim 1, characterized in that a ball head hanging ring (7) is connected to the top of the insulator string (3), a second hanging plate (8) is connected to one end, away from the insulator string (3), of the ball head hanging ring (7), and the second hanging plate (8) is connected with the first connecting plate (2).

5. The novel insulator structure according to claim 1, characterized in that a socket hanging plate (9) is connected to the bottom end of the insulator string (3), and one end of the socket hanging plate (9) far away from the insulator string (3) is mounted on the second yoke plate (4).

6. A novel insulator structure according to claim 3, characterized in that the end of the second yoke plate (4) far away from the insulator is connected with the strain clamp (5) through a third suspension loop (10).

7. The new insulator structure according to claim 1, characterised in that the insulator string (3) consists of a plurality of insulators.

8. The novel insulator structure of claim 7, wherein the insulator is a 120kN anti-fouling glass insulator.

9. A novel insulator structure according to claim 6, characterized in that the first suspension loop (12), the second suspension loop (13) and the third suspension loop (10) are all U-shaped suspension loops.

10. The novel insulator structure of claim 1, wherein the strain clamp (5) comprises a clamp body (51), a steel anchor (52), a drainage plate (53) and a drainage clamp (54), the steel anchor (52) comprises a steel anchor (52) hanging ring and an anchor rod, the steel anchor (52) hanging ring is fixedly connected with the anchor rod, the anchor rod is embedded in the clamp body (51), the drainage plate (53) is fixedly connected to the clamp body (51), and the other end of the drainage plate (53) is connected with the drainage clamp (54).