CN221079730U - Single-wire duplex tension-resistant composite insulator - Google Patents
Single-wire duplex tension-resistant composite insulator Download PDFInfo
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- CN221079730U CN221079730U CN202323116744.3U CN202323116744U CN221079730U CN 221079730 U CN221079730 U CN 221079730U CN 202323116744 U CN202323116744 U CN 202323116744U CN 221079730 U CN221079730 U CN 221079730U
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- 239000012212 insulator Substances 0.000 title claims abstract description 52
- 239000002131 composite material Substances 0.000 title claims abstract description 38
- 239000000725 suspension Substances 0.000 claims abstract description 14
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 3
- 239000012211 strain insulator Substances 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052573 porcelain Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model relates to a single-wire duplex tension-resistant composite insulator, which comprises a yoke plate, a main hanging piece, a secondary yoke plate, a duplex bowl head, a composite insulator, a ball head hanging ring, a U-shaped hanging ring and an adjusting plate; the lower part of the yoke plate is provided with a plurality of suspension clamps which are oppositely arranged, and the middle part of the yoke plate extends to two sides to form mounting rods; a main mounting hole and two auxiliary mounting holes are formed in the double-joint plate, two ends of the main hanging piece are respectively connected in the connecting hole and the main mounting hole through bolts, the auxiliary hanging piece is longer than the main hanging piece, one ends of the two auxiliary hanging pieces are correspondingly connected to the end parts of the mounting rods, and the other ends of the two auxiliary hanging pieces are correspondingly connected to the auxiliary mounting holes; one end of the composite insulator is connected to the lower part of the duplex plate by the duplex bowl head; the other end of the composite insulator is sequentially connected with a ball-head hanging ring, a U-shaped hanging ring, an adjusting plate and a U-shaped hanging ring. According to the utility model, the secondary hanging structure is added between the yoke plate and the yoke plate, so that the connection stability between the yoke plate and the yoke plate is improved, and a stable foundation is provided for assembling the composite insulator.
Description
Technical Field
The utility model relates to the technical field of power equipment, in particular to a single-wire duplex tension-resistant composite insulator.
Background
The main function of the wire duplex tension-resistant composite insulator is to increase the safety of the transmission line environment. The double tension-resistant composite insulator can effectively isolate the electrified wire from the ground on the basis of ensuring that the position of each wire is unchanged, has excellent electrical insulation performance, can ensure stable work in severe environments, is not easy to generate electrical breakdown, has higher mechanical strength, can bear larger tension and pressure, and ensures stable operation of a power transmission line.
As for the working principle, the tension insulator is commonly used together with matched hardware fittings to achieve the effect of high-voltage porcelain insulation. In a power transmission line, a tension insulator is required to bear the gravity of the line and the tension of an overhead line, so that the tension insulator is mainly used at the tail end of the line and at a power tower where the line needs to turn.
The utility model patent with the patent number 201820801074.9 discloses a single-wire duplex tension-resistant composite insulator in the prior art, which comprises the following components: even tower subassembly, first connecting plate, two sets of insulator chain, second connecting plate and the strain clamp that set up side by side, two sets of insulator chain all include glass insulator and the composite insulator that connect gradually, and each glass insulator all loops through bulb link and first U type link and is connected with first connecting plate, and first connecting plate is connected with Lian Da subassembly, and even tower subassembly is used for being connected with the shaft tower, and each composite insulator is connected with the second connecting plate, and the second connecting plate is connected with the strain clamp, and the strain clamp is used for clamping electric wire. When the novel single-wire double-tension-resistant composite insulator is applied, the connecting tower assembly is required to be fixed on a pole tower, meanwhile, wires are fixed through the tension-resistant wire clamps, the stress of two groups of insulator strings can be guaranteed to be uniform through the first connecting plate and the second connecting plate, and then the stress capacity of the two groups of insulator strings is improved.
Disclosure of utility model
In view of the above, the utility model aims to provide a single-wire duplex tension-resistant composite insulator, which effectively solves the problems of weak connection strength and poor stability between duplex plates in the existing structure.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a single-wire duplex tension-resistant composite insulator comprises a yoke plate, a main hanging piece, a secondary yoke plate, a duplex bowl head, a composite insulator, a ball head hanging ring, a U-shaped hanging ring and an adjusting plate; the lower part of the yoke plate is provided with a plurality of suspension clamps which are oppositely arranged, the upper part of the yoke plate is provided with a connecting hole, and the middle part of the yoke plate extends to two sides to form a mounting rod; a main mounting hole and two auxiliary mounting holes are formed in the double-joint plate, wherein two ends of the main hanging piece are respectively connected in the connecting hole and the main mounting hole through bolts, the auxiliary hanging piece is longer than the main hanging piece, one ends of the two auxiliary hanging pieces are correspondingly connected to the end parts of the mounting rods, and the other ends of the two auxiliary hanging pieces are correspondingly connected in the auxiliary mounting holes; one end of the composite insulator is connected to the lower part of the duplex plate by the duplex bowl head; the other end of the composite insulator is sequentially connected with a ball-head hanging ring, a U-shaped hanging ring, an adjusting plate and a U-shaped hanging ring.
Further, an inward concave arc avoidance area is arranged in the middle of the connecting plate; a group of suspension clamps are arranged on two sides of the avoidance area, and another group of suspension clamps are arranged on the lower portion of the yoke plate.
Further, the tip of installation pole is provided with the screw hole, and the one end of secondary pendant is provided with the connecting plate, has the round hole with the screw hole adaptation on the connecting plate, passes the round hole with connecting screw to threaded connection is at the screw hole, utilizes the nut and the installation pole tip of tip to form limit structure.
Further, the mounting rod and the duplex plate are correspondingly provided with two groups.
Further, the middle part of the yoke plate is provided with energy dissipation holes.
Further, the secondary hanging pieces comprise right-angle hanging plates, an adapter and a connecting plate; the right-angle hanging plate is connected to the two connecting plates through bolts, the connecting plate is connected with the direct hanging plate through the adapter, and the connecting plate is connected to the end part of the mounting rod through bolts.
The beneficial effects of the technical scheme are as follows: the utility model structurally improves the structure between the two connecting plates, increases the mounting rod on the connecting plate, increases the mounting point position on the two connecting plates, connects the original mounting node through the main hanging piece, and increases the attaching plate, and increases the structural stability of the two connecting plates and the connecting plate by connecting the secondary hanging piece at the mounting point position and the end part of the mounting rod.
In a specific implementation structure, the mounting rod can be of a structure welded on the yoke plate, the end part of the mounting rod is provided with a threaded connection hole, the secondary hanging piece is connected to the end part area of the mounting rod through a bolt assembled after the secondary hanging piece is connected to the two sides of the primary hanging piece, the yoke plate and the yoke plate are connected through a triple structure, and the structural stability between the yoke plate and the yoke plate is improved.
Therefore, the utility model has novel structure, improves the connection stability between the two plates by adding the secondary hanging structure between the two plates, provides a stable foundation for the assembly of the composite insulator, ensures the overall stress balance, ensures that the stress of the insulator string is more uniform, and further improves the stress capability of the insulator string.
Drawings
FIG. 1 is a schematic diagram of a yoke plate;
FIG. 2 is a schematic diagram of a connection structure between a yoke plate and a yoke plate;
FIG. 3 is a schematic view of the construction of the mounting bar;
FIG. 4 is a schematic diagram of the front view structure of FIG. 3;
Fig. 5 is a schematic side view of fig. 3.
Reference numerals: the novel energy-dissipating double-joint cable comprises a connecting plate 1, a mounting rod 2, a threaded hole 3, a suspension clamp 4, a main hanging piece 5, a double-connecting plate 6, a secondary hanging piece 7, a right-angle hanging plate 71, an adapter 72, a connecting plate 73, a bolt 74, a double-joint bowl head 8, a composite insulator 9, a glass insulator 10, a ball-head hanging ring 11, a double-joint plate 12, a U-shaped hanging ring 13, an adjusting plate 14, a U-shaped hanging ring 15 and an energy-dissipating hole 16.
Detailed Description
The utility model is described in further detail below with reference to the attached drawings and detailed description:
Embodiment 1 aims at providing a single-wire duplex tension-resistant composite insulator, is mainly used for 110 kV-750 kV overhead transmission line design, and an important fork crossing wire suspension string is of a duplex structure in the requirement, and aims at the problems that in the existing structure, two yoke plates are connected through only one hanging plate, the connection strength is weak and the stability is poor.
As shown in fig. 1-5, a single-wire duplex tension-resistant composite insulator comprises a yoke plate 1, a main hanging piece 5, a secondary hanging piece 7, a yoke plate 6, a duplex bowl head 8, a composite insulator 9, a ball-end hanging ring 11, a U-shaped hanging ring 12 and an adjusting plate 13; wherein as shown in fig. 3-5, the lower part of the yoke plate 1 is provided with a plurality of suspension clamps 4 which are oppositely arranged, the upper part of the yoke plate 1 is provided with a connecting hole, and the middle part of the yoke plate is extended to two sides with a mounting rod 2; the suspension clamps 4 are provided with four suspension clamps and are respectively distributed at the two side support legs of the yoke plate 1, and the middle part of the yoke plate in a specific implementation structure is provided with an inward concave arc avoidance area; a group of suspension clamps 4 are arranged on two sides of the avoidance area, and another group of suspension clamps 4 are arranged on the lower part of the yoke plate.
A main mounting hole and two auxiliary mounting holes are formed in the double-joint plate 6, two ends of the main hanging piece 5 are connected in the connecting hole and the main mounting hole through bolts respectively, the main mounting hole is located in the middle of the structure, the auxiliary mounting holes are located in two side areas, and an energy dissipation hole 16 is formed in the middle of the double-joint plate.
The secondary hanging pieces 7 are longer than the primary hanging pieces 5, and when in implementation, the primary hanging pieces 5 can be of a right-angle hanging plate structure and are movably hinged in the connecting holes through bolts, one ends of the two secondary hanging pieces 7 are correspondingly connected to the end parts of the mounting rods 2, and the other ends of the two secondary hanging pieces 7 are correspondingly connected in the secondary mounting holes; as shown in fig. 2, the yoke plate 1 is connected with the yoke plate 6 through a main hanger 5 and two secondary hangers 7, and compared with a connecting node structure in the prior art, the structure between the yoke plate and the yoke plate is improved in this embodiment, the mounting rod 2 is added on the yoke plate, the mounting point is added on the two yoke plates, the original mounting node is connected through the main hanger 5, and the secondary hangers 7 are added, and the structure of the yoke plate 1 and the yoke plate 6 can be reinforced from the middle part and two sides by connecting the secondary hangers 7 at the mounting point and the end parts of the mounting rod 2, so that the structural stability of the yoke plate 6 and the yoke plate 1 is improved.
In the concrete implementation structure, a threaded hole 3 is formed in the end part of the mounting rod 2, a connecting plate is arranged at one end of the secondary hanging piece 7, a round hole matched with the threaded hole is formed in the connecting plate, a connecting screw rod penetrates through the round hole and is connected with the threaded hole in a threaded mode, a limit structure is formed by utilizing a nut at the end part and the end part of the mounting rod, and in the concrete implementation process, the secondary hanging piece 7 comprises a right-angle hanging plate 71, an adapter 72 and a connecting plate 73; the right-angle hanging plate 71 is connected to the double-joint plate 6 through bolts, the connecting plate 73 is connected with the direct hanging plate 71 through the adapter 72, and the connecting plate 73 is connected with the end part of the mounting rod 2 through bolts 74
Regarding the connection structure of the composite insulator 9, in this embodiment, one end of the composite insulator 9 is connected to the lower part of the duplex plate 6 through the duplex bowl head 8; the other end of the composite insulator 9 is connected with a glass insulator 10, a ball-end hanging ring 11, a duplex plate 12, a U-shaped hanging ring 13, an adjusting plate 14 and a U-shaped hanging ring 15 in sequence.
The improvement of the embodiment focuses on the triple structure between the yoke plate 1 and the yoke plate 6, the mounting rod 2 and the yoke plate 6 are correspondingly provided with two groups, the two groups of structures are symmetrically arranged, and each group of the two yoke plates 6 is connected with two composite insulators 9.
In addition, it should be noted that the mounting rod 2 may be a structure welded on the yoke plate 1, the end portion thereof is provided with a threaded connection hole 3, the connection hole is a through hole or a semi-through hole structure, and the secondary hanging member 7 is connected to the end portion area of the mounting rod through a bolt assembled at the rear, so that the secondary hanging members are arranged at two sides of the primary hanging member 5, and the yoke plate 1 and the yoke plate 6 are connected through the triple structure, thereby improving the structural stability between the yoke plate 1 and the yoke plate 6.
The above-mentioned embodiments of the present utility model do not limit the scope of the present utility model, and the basic concept of the present utility model is to increase the connection stability between the yoke plate and the yoke plate by adding a secondary hanging structure between the yoke plate and the yoke plate, so as to provide a stable foundation for assembling the composite insulator, and ensure the overall stress balance, and further improve the stress capability of the insulator string. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included in the scope of the present utility model as set forth in the appended claims.
Claims (6)
1. A single wire pair strain insulator composite insulator is characterized in that: the device comprises a connecting plate, a main hanging piece, a secondary hanging piece, a two-connecting plate, a double-connecting bowl head, a composite insulator, a ball head hanging ring, a U-shaped hanging ring and an adjusting plate; the lower part of the yoke plate is provided with a plurality of suspension clamps which are oppositely arranged, the upper part of the yoke plate is provided with a connecting hole, and the middle part of the yoke plate extends to two sides to form a mounting rod; a main mounting hole and two auxiliary mounting holes are formed in the double-joint plate, wherein two ends of the main hanging piece are respectively connected in the connecting hole and the main mounting hole through bolts, the auxiliary hanging piece is longer than the main hanging piece, one ends of the two auxiliary hanging pieces are correspondingly connected to the end parts of the mounting rods, and the other ends of the two auxiliary hanging pieces are correspondingly connected in the auxiliary mounting holes; one end of the composite insulator is connected to the lower part of the duplex plate by the duplex bowl head; the other end of the composite insulator is sequentially connected with a ball-head hanging ring, a U-shaped hanging ring, an adjusting plate and a U-shaped hanging ring.
2. The single wire duplex tension resistant composite insulator of claim 1, wherein: an inward concave arc avoidance area is arranged in the middle of the connecting plate; a group of suspension clamps are arranged on two sides of the avoidance area, and another group of suspension clamps are arranged on the lower portion of the yoke plate.
3. The single wire duplex tension resistant composite insulator of claim 1, wherein: the end of the mounting rod is provided with a threaded hole, one end of the secondary hanging piece is provided with a connecting plate, a round hole matched with the threaded hole is formed in the connecting plate, the connecting screw rod penetrates through the round hole and is in threaded connection with the threaded hole, and a limit structure is formed by utilizing a nut at the end and the end of the mounting rod.
4. The single wire duplex tension resistant composite insulator of claim 1, wherein: the mounting rod and the double plates are correspondingly provided with two groups.
5. The single wire duplex tension resistant composite insulator of claim 1, wherein: the middle part of the yoke plate is provided with an energy dissipation hole.
6. The single wire duplex tension resistant composite insulator of claim 1, wherein: the secondary hanging pieces comprise right-angle hanging plates, an adapter and a connecting plate; the right-angle hanging plate is connected to the two connecting plates through bolts, the connecting plate is connected with the direct hanging plate through the adapter, and the connecting plate is connected to the end part of the mounting rod through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323116744.3U CN221079730U (en) | 2023-11-20 | 2023-11-20 | Single-wire duplex tension-resistant composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323116744.3U CN221079730U (en) | 2023-11-20 | 2023-11-20 | Single-wire duplex tension-resistant composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221079730U true CN221079730U (en) | 2024-06-04 |
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ID=91263047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323116744.3U Active CN221079730U (en) | 2023-11-20 | 2023-11-20 | Single-wire duplex tension-resistant composite insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221079730U (en) |
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2023
- 2023-11-20 CN CN202323116744.3U patent/CN221079730U/en active Active
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