CN214847949U

CN214847949U - Disc-shaped suspension insulator duplex double-hanging-point strain insulator string

Info

Publication number: CN214847949U
Application number: CN202121396305.0U
Authority: CN
Inventors: 张应洪; 赵顺乐
Original assignee: Zhejiang Beili Electric Power Technology Co ltd
Current assignee: Zhejiang Beili Electric Power Technology Co ltd
Priority date: 2021-06-23
Filing date: 2021-06-23
Publication date: 2021-11-23
Anticipated expiration: 2031-06-23

Abstract

The utility model relates to a two string some strain insulator cluster of disc suspension insulator pair, first strain insulator cluster with equal link fitting, insulator, equalizer ring and the strain clamp of second strain insulator cluster, link fitting is connected to the one end of insulator, and the other one end of insulator is connected with the branch yoke plate, be connected with first pull rod and second pull rod on the branch yoke plate respectively, first pull rod and the parallel setting of second pull rod, the end of first pull rod is provided with first strain clamp, the end-to-end connection of second pull rod has second strain clamp, be provided with the wire jumper conductor spacer on the second pull rod, the one end of wire jumper conductor spacer with first strain clamp connects, the length of first pull rod is in the length of second pull rod, still be provided with the mounting panel on the branch yoke plate, the equalizer ring is installed on the mounting panel. The utility model discloses the gold utensil simple structure that adopts, easily processing, installation are convenient.

Description

Disc-shaped suspension insulator duplex double-hanging-point strain insulator string

Technical Field

The utility model relates to an electric power fitting technical field, concretely relates to two string of some strain insulator strings of disk suspension insulator pair.

Background

With the rapid development of social economy, the demand of users on electricity utilization is also rapidly increased. But the primary energy sources are unevenly distributed and are far away, and the land for power transmission channels is increasingly tense. In order to solve the above problems and improve the transmission capacity, it is a new solution to build a transmission line with a higher voltage class as a backbone network for long-distance transmission.

The tension string in the overhead transmission line is used for dragging and fixing the transmission conductor on the tension tower, and is an important hardware string type in the transmission line.

Along with the construction of extra-high voltage, the voltage grade is higher and higher, must increase the wire cross-section and increase the split root number of wire, must design new gold utensil cluster and cluster interior gold utensil like this and improve its structural strength to adapt to the engineering demand.

Disclosure of Invention

An object of the utility model is to provide a two string some strain insulator cluster of disk suspension insulator pair solve foretell problem.

In order to achieve the above object, the utility model provides a following technical scheme: a disc-shaped suspension insulator duplex dual-hanging-point strain insulator-string is characterized by comprising a first strain insulator-string set and a second strain insulator-string set, wherein the first strain insulator-string set and the second strain insulator-string set are arranged in parallel and are connected with each other, the first strain insulator-string set and the second strain insulator-string set are connected with hardware fittings, insulators, equalizing rings and strain clamps, one end of each insulator is connected with the corresponding connecting hardware fitting, the other end of each insulator is connected with a sub-connecting plate, the sub-connecting plates are respectively connected with a first pull rod and a second pull rod, the first pull rod and the second pull rod are arranged in parallel, the tail end of the first pull rod is provided with a first strain clamp, the tail end of the second pull rod is connected with a second strain insulator-string, the second pull rod is provided with a jumper spacer, one end of the jumper spacer is connected with the first strain clamp, and the length of the first pull rod is shorter than that of the second strain insulator-string, still be provided with the mounting panel on the branch yoke plate, the equalizer ring is installed on the mounting panel.

The utility model discloses further set up, be provided with bowl head link and right angle link plate between branch yoke plate and the insulator, be provided with between bowl head link and the right angle link plate connect first strain insulator-string group with the connecting plate of second strain insulator-string group.

The utility model discloses further set up, link fitting is including the first U type link, second U type link, adjusting plate, first parallel link plate, PT adjusting plate, traction plate, the parallel link plate of second and the bulb link that connect gradually, the bulb link with the insulator is connected.

The utility model discloses further set up, the equalizer ring includes a plurality of linking bridge, last equalizer ring and the lower equalizer ring of being provided with of linking bridge, it is unanimous with lower equalizer ring shape to go up the equalizer ring.

The beneficial effects of the utility model are that the hardware fitting adopted by the utility model has simple structure, easy processing and convenient installation; the connection strength is improved by optimizing the structure and the connection mode of the hardware fitting; secondly, a jumper spacer is arranged on the second pull rod, so that vibration is avoided, and the use stability is improved; in addition, two grading rings are arranged, the electric field distribution of the high-voltage end is improved under the action of the upper grading ring and the lower grading ring, the field intensity of the end part is reduced, and therefore the bearing potential of the high-voltage end is reduced, and long-term stable operation of the rod-shaped composite insulator is guaranteed.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a side view of an embodiment of the present invention.

Reference numeral, 10, a first tension string set; 20. a second strain insulator-string set; 30. an insulator; 50. a branching plate; 60. a first pull rod; 70. a second pull rod; 80. a first strain clamp; 90. a second strain clamp; 100. a jumper spacer; 110. mounting a plate; 120. connecting a bracket; 130. an equalizing ring is arranged; 140. A lower grading ring; 150. hanging a ring at the bowl head; 160. a right-angle hanging plate; 170. a coupling plate; 180. a first U-shaped suspension loop; 190. a second U-shaped suspension loop; 200. an adjustment plate; 210. a first parallel hanging plate; 220. a PT adjusting plate; 230. a traction plate; 240. a second parallel hanging plate; 250. a ball head hanging ring;

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1-2, the present invention relates to a dual-connection dual-hanging-point strain insulator-string for a disc-shaped suspension insulator 30, which includes a first strain insulator-string set 10 and a second strain insulator-string set 20, wherein the first strain insulator-string set 10 and the second strain insulator-string set 20 are arranged in parallel and connected with each other, the first strain insulator-string set 10 and the second strain insulator-string set 20 are connected with a hardware, an insulator 30, an equalizing ring and a strain clamp, one end of the insulator 30 is connected with the hardware, the other end of the insulator 30 is connected with a sub-connection plate 50, the sub-connection plate 50 is connected with a first pull rod 60 and a second pull rod 70 respectively, the first pull rod 60 and the second pull rod 70 are arranged in parallel, the end of the first pull rod 60 is provided with a first strain clamp 80, the end of the second pull rod 70 is connected with a second clamp 90, the second pull rod 70 is provided with a jumper spacer 100, the one end of jumper wire conductor spacer 100 with first strain clamp 80 is connected, the length of first pull rod 60 is in the length of second pull rod 70, still be provided with mounting panel 110 on the branch yoke plate 50, the equalizer ring is installed on the mounting panel 110. The grading ring comprises a plurality of connecting supports 120, an upper grading ring 130 and a lower grading ring 140 are arranged on the connecting supports 120, and the upper grading ring 130 and the lower grading ring 140 are identical in shape.

The socket hanging ring 150 and the right-angle hanging plate 160 are arranged between the sub-connecting plate 50 and the insulator 30, the connecting plate 170 for connecting the first strain string group 10 and the second strain string group 20 is arranged between the socket hanging ring 150 and the right-angle hanging plate 160, the connecting hardware fitting comprises a first U-shaped hanging ring 180, a second U-shaped hanging ring 190, an adjusting plate 200, a first parallel hanging plate 210, a PT adjusting plate 220200, a traction plate 230, a second parallel hanging plate 240 and a ball head hanging ring 250 which are sequentially connected, and the ball head hanging ring 250 is connected with the insulator 30.

The hardware fitting adopted by the utility model has simple structure, easy processing and convenient installation; the connection strength is improved by optimizing the structure and the connection mode of the hardware fitting; secondly, a jumper spacer is arranged on the second pull rod, so that vibration is avoided, and the use stability is improved; in addition, two grading rings are arranged, the electric field distribution of the high-voltage end is improved under the action of the upper grading ring and the lower grading ring, the field intensity of the end part is reduced, and therefore the bearing potential of the high-voltage end is reduced, and long-term stable operation of the rod-shaped composite insulator is guaranteed.

Certain terms are used throughout the description and claims to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to substantially achieve the technical effect.

More uses such as 10, the first tension string set; 20. a second strain insulator-string set; 30. an insulator; 40. A grading ring; 50. a branching plate; 60. a first pull rod; 70. a second pull rod; 80. a first strain clamp; 90. a second strain clamp; 100. a jumper spacer; 110. mounting a plate; 120. connecting a bracket; 130. An equalizing ring is arranged; 140. a lower grading ring; 150. hanging a ring at the bowl head; 160. a right-angle hanging plate; 170. a coupling plate; 180. a first U-shaped suspension loop; 190. a second U-shaped suspension loop; 200. an adjustment plate; 210. a first parallel hanging plate; 220. a PT adjusting plate; 230. a traction plate; 240. a second parallel hanging plate; 250. it should be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a commodity or system that includes the element.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A disc-shaped suspension insulator duplex dual-hanging-point strain insulator-string is characterized by comprising a first strain insulator-string set and a second strain insulator-string set, wherein the first strain insulator-string set and the second strain insulator-string set are arranged in parallel and are connected with each other, the first strain insulator-string set and the second strain insulator-string set are connected with hardware fittings, insulators, equalizing rings and strain clamps, one end of each insulator is connected with the corresponding connecting hardware fitting, the other end of each insulator is connected with a sub-connecting plate, the sub-connecting plates are respectively connected with a first pull rod and a second pull rod, the first pull rod and the second pull rod are arranged in parallel, the tail end of the first pull rod is provided with a first strain clamp, the tail end of the second pull rod is connected with a second strain insulator-string, the second pull rod is provided with a jumper spacer, one end of the jumper spacer is connected with the first strain clamp, and the length of the first pull rod is shorter than that of the second strain insulator-string, still be provided with the mounting panel on the branch yoke plate, the equalizer ring is installed on the mounting panel.

2. The disc-shaped suspension insulator duplex dual-hanging-point strain insulator string as claimed in claim 1, wherein a socket hanging ring and a right-angle hanging plate are arranged between the branching plate and the insulator, and a connecting plate for connecting the first strain insulator string set and the second strain insulator string set is arranged between the socket hanging ring and the right-angle hanging plate.

3. The disc-shaped suspension insulator duplex double hanging point strain insulator string as claimed in claim 2, wherein the connection fitting comprises a first U-shaped hanging ring, a second U-shaped hanging ring, an adjusting plate, a first parallel hanging plate, a PT adjusting plate, a traction plate, a second parallel hanging plate and a ball head hanging ring which are connected in sequence, and the ball head hanging ring is connected with the insulator.

4. The disc-shaped suspension insulator duplex dual-hanging-point tension string according to claim 3, wherein the grading ring comprises a plurality of connecting supports, an upper grading ring and a lower grading ring are arranged on each connecting support, and the upper grading ring and the lower grading ring are consistent in shape.