CN212570557U - Bird pecking prevention composite insulator - Google Patents
Bird pecking prevention composite insulator Download PDFInfo
- Publication number
- CN212570557U CN212570557U CN202020498064.XU CN202020498064U CN212570557U CN 212570557 U CN212570557 U CN 212570557U CN 202020498064 U CN202020498064 U CN 202020498064U CN 212570557 U CN212570557 U CN 212570557U
- Authority
- CN
- China
- Prior art keywords
- hard
- silicon rubber
- insulator
- sheath
- umbrella
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Walking Sticks, Umbrellas, And Fans (AREA)
- Insulators (AREA)
Abstract
A bird pecking prevention composite insulator comprises hardware fittings, a hard umbrella sleeve, a silicon rubber umbrella sleeve and a core rod; the method is characterized in that: the core rod is positioned at the innermost part, and the hard umbrella cover and the silicon rubber umbrella cover are wrapped at the outer side of the core rod; the hard umbrella sleeves are arranged at two ends of the composite insulator; the silicone rubber umbrella sleeve is arranged in the middle of the composite insulator; the hardware fitting for connecting and supporting is arranged at two ends of the insulator. The hard umbrella skirt is mainly made of a poly-crystalline silicon material, is low in density and light in weight, has certain toughness, can be stepped on, is convenient for construction site operation, reduces the working strength, can prevent bird pecking damage, is low in water absorption rate of the poly-crystalline silicon material, can effectively reduce the replacement frequency of the insulator, and prolongs the service life of the insulator; has three integrally formed umbrella skirt structures to meet the use requirements of different environments.
Description
Technical Field
The utility model belongs to the technical field of the electric power insulating apparatus, a novel composite insulator is related to, concretely relates to prevent bird pecking composite insulator.
Background
With the wide use of composite insulators, the composite insulators on the power transmission lines are often pecked by birds, and the birds peck the composite insulators to cause damage to the composite insulators. Birds peck the shed of the composite insulator, which can cause the penetration through hole or local tearing of the shed, reduce the creepage distance of the composite insulator and influence the external insulation performance of the composite insulator. Birds pecking the composite insulator sheath can cause abrasion of the sheath and exposure of the core rod, thereby causing damage to the end seal. Under high-humidity weather conditions such as rain days, fog days and the like, partial arc discharge is easily generated between the exposed core rod and the damped sheath interface, so that the core rod generates electrochemical reaction. Under severe conditions, severe accidents such as brittle fracture easily occur. Based on traditional composite insulator can't prevent the bird pecking, the utility model provides a novel hard material prevents bird pecking insulator with silicon rubber combination has characteristics such as stand wear and tear, high rigidity, anti tearing, anti bird pecking, can prevent that composite insulator from being pecked by birds to umbrella skirt or sheath receive destruction and then cause the flashover accident.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a can prevent bird pecking insulator is prevented in combination of novel hard material and silicon rubber of bird pecking.
The technical scheme of the utility model is that:
a bird pecking prevention composite insulator comprises hardware fittings, a hard umbrella sleeve, a silicon rubber umbrella sleeve and a core rod; the method is characterized in that:
the core rod is positioned at the innermost part, and the hard umbrella cover and the silicon rubber umbrella cover are wrapped at the outer side of the core rod;
the hard umbrella sleeves are arranged at two ends of the composite insulator;
the silicone rubber umbrella sleeve is arranged in the middle of the composite insulator;
the hardware fitting for connecting and supporting is arranged at two ends of the insulator.
The utility model discloses still further adopt following preferred technical scheme:
the hard material of the hard umbrella cover takes a polymeric crystal silicon material as a matrix, and is supplemented with a methyl hexahydrophthalic anhydride curing agent, an aluminum trihydrate micropowder flame retardant, a silanization coupling filler, an accelerant and a fluorine compound auxiliary agent.
The hardware fitting is 8-12 cm in length.
The hard umbrella cover comprises a hard umbrella skirt and a hard sheath which are integrally formed;
the silicone rubber umbrella cover comprises a silicone rubber umbrella skirt and a silicone rubber sheath which are integrally formed.
The method comprises the steps of firstly injection molding a section of hard umbrella cover at the end parts of two ends of an insulator, then injection molding a silicon rubber umbrella cover at the middle part of the insulator, and enabling a silicon rubber sheath to cover the hard sheath for transitional bonding through high-temperature injection.
The composite insulator low-voltage end hard umbrella cover length, the middle silicon rubber umbrella cover length and the high-voltage end hard umbrella cover length are in proportion as follows: 1:3: 1;
the thickness of the transition combination part of the hard sheath and the silicon rubber sheath is consistent with that of the hard sheath and the silicon rubber sheath of other parts, and the length of the transition combination part is 5-6 cm.
The middle part of the insulator is firstly injected and molded with the silicon rubber umbrella cover, then the hard umbrella covers at the two end parts are injected and molded, and the hard material is injected at high temperature to cover the silicon rubber protective sleeve for transition combination.
The composite insulator low-voltage end hard umbrella cover length, the middle silicon rubber umbrella cover length and the high-voltage end hard umbrella cover length are in proportion as follows: 1:3: 1;
the thickness of the transition combination part of the hard sheath and the silicon rubber sheath is consistent with that of the hard sheath and the silicon rubber sheath of other parts, and the length of the transition combination part is 5-6 cm.
And injection molding a silicon rubber umbrella cover in the middle of the core rod, simultaneously injection molding inner silicon rubber sheaths at two ends of the core rod, and injection molding the hard umbrella cover on the inner silicon rubber sheaths at two ends of the insulator, wherein the distance between the end part of the inner silicon rubber sheath and the end part of the hardware fitting is 8-12 cm.
The thickness of the hard sheath part of the hard umbrella cover and the thickness of the inner silicon rubber sheath are 5mm,
wherein the thickness of the hard sheath part of the hard umbrella sleeve is 1-2 times of the thickness of the inner silicon rubber sheath.
The composite insulator low-voltage end hard umbrella cover length, the middle silicon rubber umbrella cover length and the high-voltage end hard umbrella cover length are in proportion as follows: 1:3: 1.
the utility model has the advantages of as follows and beneficial effect:
(1) the utility model discloses the two of stereoplasm chute boot, silicon rubber chute boot mutually supports, has both satisfied composite insulator to the requirement of hydrophobicity, resistant dirty sudden strain of a muscle, satisfies the requirement that composite insulator high strength, anti bird pecked again.
(2) The utility model discloses have three kinds of full skirt structures, can use the insulator of different full skirt structures according to the requirement of different environment.
Drawings
Fig. 1 is a schematic structural view of the bird pecking prevention composite insulator including the hard umbrella cover and the silicone rubber umbrella cover of the present invention;
fig. 2 is a schematic view of a silicone rubber material-covered hard umbrella cover of the bird pecking prevention composite insulator according to an embodiment of the present invention;
fig. 3 is a schematic view of a hard material-coated silicone rubber umbrella cover of the bird pecking prevention composite insulator according to another embodiment of the present invention;
fig. 4 is a schematic view of a silicone rubber sheath covering a hard umbrella cover of a bird pecking prevention composite insulator according to still another embodiment of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of the bird pecking prevention insulator formed by combining hard material and silicone rubber according to the present invention. The utility model discloses an anti-bird pecking insulator, which comprises a hardware fitting 1, a hard umbrella cover 2, a silicon rubber umbrella cover 3 and a core rod 4; the method is characterized in that: the core rod 4 is positioned at the innermost part and is made of glass fiber and epoxy resin materials, and the hard umbrella cover 2 and the silicon rubber umbrella cover 3 are wrapped outside the core rod; the hard umbrella covers 2 are injection molded at the end parts of the two ends of the insulator; the silicon rubber umbrella cover 3 is injection molded in the middle part of the insulator; the hardware fittings 1 are positioned at two ends of the insulator and play a role in connecting and supporting.
The length of the hardware 1 is usually 8-12 cm, preferably 10 cm.
The hard material takes a polymeric crystal silicon material as a substrate, and is supplemented with fillers and auxiliaries such as a methyl hexahydrophthalic anhydride curing agent, an aluminum trihydrate micropowder flame retardant, a silanized coupling filler, an accelerator, a fluorine compound auxiliary and the like, so that the density is low, the weight is light, meanwhile, the hard material has certain toughness, can be stepped on, is convenient for construction site operation, reduces the working strength, can prevent bird pecking damage by the umbrella skirt, has low water absorption of the polymeric crystal silicon material, can effectively reduce the replacement frequency of the insulator, and prolongs the service life of the insulator. The hard material has the advantages of keeping the advantages of excellent stain resistance, small volume, light weight and the like of the original silicon rubber insulator, overcoming the performance defects and the problems of various raw materials such as aging of the silicon rubber insulator, wind and sand erosion, rat bite, bird pecking, fear of sharp objects, incapability of stepping on, wind pendulum tearing of umbrella skirts and the like, along with simple production process, high efficiency, short period, no maintenance in the whole life cycle and capability of reducing the maintenance cost of a power grid.
The silicon rubber material has more excellent vibration fatigue resistance and stronger hydrophobic property, and can keep high enough external insulation performance under the conditions of dirt, rainwater and the like. The silicone rubber umbrella cover is assisted by the hard umbrella cover, so that the external insulation performance and the bird pecking resistance can be met.
Moreover, the service life of the hard material insulator is as long as 20-30 years, the average service life of the silicon rubber insulator is only 7-8 years, the replacement frequency of the insulator is reduced, the maintenance can be free for a long time, and the operation cost of a power grid is reduced. The insulator combined by the silicon rubber material and the hard material can better adapt to various operation scenes.
The hard umbrella cover 2 comprises a hard umbrella skirt part and a hard sheath part; the silicon rubber umbrella cover 3 comprises a silicon rubber umbrella group part and a silicon rubber sheath part.
An embodiment of the utility model adopts a transition scheme of silicon rubber coating hard umbrella covers. Fig. 2 is a schematic view of a silicone rubber umbrella case 3 covering a hard umbrella case 3 of the bird pecking prevention insulator according to an embodiment of the present invention. As shown in fig. 2, a section of hard umbrella cover 2 is firstly injection-molded at the end parts of the two ends of the insulator, then a silicon rubber umbrella cover 3 is injection-molded at the middle part, and finally a hard sheath is coated at the joint of the hard umbrella cover 2 and the silicon rubber umbrella cover 3 by adopting silicon rubber high-temperature injection for transition combination. The ratio of the length of the low-voltage end hard umbrella sleeve 2 of the insulator to the length of the middle part silicon rubber umbrella sleeve 3 to the length of the high-voltage end hard umbrella sleeve 2 of the insulator is 1:3: 1. The thickness of the transition combination part of the hard sheath part and the silicon rubber sheath is consistent with that of the hard sheath and the silicon rubber sheath, and the length of the common transition combination part of the insulator used for the 500kV line is 5-6 cm.
The utility model also adopts a transition scheme that the hard material is coated on the silicon rubber umbrella cover 3. Fig. 3 is a schematic view of a hard material-coated silicone rubber umbrella case 3 of the bird pecking prevention insulator according to another embodiment of the present invention. As shown in fig. 3, firstly, a silicon rubber umbrella cover 3 is injection-molded in the middle of the insulator, then, hard umbrella covers 2 are injection-molded at the end parts of the two ends of the insulator, and finally, a hard material high-temperature injection coating silicon rubber sheath is adopted at the joint of the hard umbrella covers 2 and the silicon rubber umbrella cover 3 for transitional bonding. The ratio of the length of the low-voltage end hard umbrella sleeve 2 of the insulator to the length of the middle part silicon rubber umbrella sleeve 3 to the length of the high-voltage end hard umbrella sleeve 2 of the insulator is 1:3: 1. The thickness of the transition joint part of the sheath part of the hard umbrella sleeve 2 and the silicon rubber sheath is consistent with that of the hard sheath and the silicon rubber sheath, and the length of the common transition joint part of the insulator used for the 500kV line is 5-6 cm.
The utility model discloses a still another embodiment adopts hard material cladding silicon rubber sheath scheme. Fig. 4 is a schematic view of a silicone rubber sheath covering a hard umbrella case 2 of the bird pecking prevention insulator according to still another embodiment of the present invention. As shown in fig. 4, firstly, a silicone rubber umbrella cover 3 is injection-molded in the middle of the insulator, meanwhile, inner silicone rubber sheaths are injection-molded at two ends of the insulator, then, hard umbrella covers 2 at two ends are injection-molded on the silicone rubber sheaths, and finally, the silicone rubber sheaths are coated at the joint of the hard umbrella covers 2 and the silicone rubber umbrella covers 3 by adopting hard material high-temperature injection for transitional bonding. Wherein, the distance between the inner silicon rubber sheath and the hardware fitting 1 is 8-12 cm, preferably 10 cm. And the thickness of the hard sheath part of the hard umbrella sleeve and the thickness of the inner silicon rubber sheath are 5 mm. And wherein the thickness of the hard sheath portion of the hard umbrella case is 1-2 times the thickness of the inner silicone rubber sheath. The ratio of the length of the low-voltage end hard umbrella sleeve 2 of the insulator to the length of the middle part silicon rubber umbrella sleeve 3 to the length of the high-voltage end hard umbrella sleeve 2 of the insulator is 1:3: 1.
The embodiments of the present invention have been described and illustrated in detail in the drawings of the specification, but it should be understood by those skilled in the art that the above embodiments are only the preferred embodiments of the present invention, and the detailed description is only for helping the reader to better understand the spirit of the present invention, and not for limiting the scope of the present invention, on the contrary, any improvement or modification made based on the spirit of the present invention should fall within the scope of the present invention.
Claims (10)
1. A bird pecking prevention composite insulator comprises a hardware fitting (1), a hard umbrella sleeve (2), a silicon rubber umbrella sleeve (3) and a core rod (4); the method is characterized in that:
the core rod (4) is positioned at the innermost part, and the hard umbrella sleeve (2) and the silicon rubber umbrella sleeve (3) are wrapped on the outer side of the core rod (4);
the hard umbrella covers (2) are arranged at two ends of the composite insulator;
the silicon rubber umbrella cover (3) is arranged in the middle of the composite insulator;
the hardware fittings (1) playing a role in connecting and supporting are arranged at two ends of the insulator.
2. The bird pecking prevention composite insulator of claim 1, wherein:
the length of the hardware (1) is 8-12 cm.
3. The bird pecking prevention composite insulator of claim 2, wherein:
the hard umbrella cover (2) comprises a hard umbrella skirt and a hard sheath which are integrally formed;
the silicone rubber umbrella cover (3) comprises a silicone rubber umbrella skirt and a silicone rubber sheath which are integrally formed.
4. The bird pecking prevention composite insulator of claim 3, wherein:
the method comprises the steps of firstly injection molding a section of hard umbrella cover (2) at the end parts of two ends of the insulator, then injection molding a silicon rubber umbrella cover (3) at the middle part of the insulator, and enabling the silicon rubber sheath to cover the hard sheath for transitional bonding through high-temperature injection.
5. The bird pecking prevention composite insulator of claim 4, wherein:
the composite insulator low-voltage end hard umbrella cover (2), the middle silicon rubber umbrella cover (3) and the high-voltage end hard umbrella cover are in proportion as follows: 1:3: 1;
the thickness of the transition combination part of the hard sheath and the silicon rubber sheath is consistent with that of the hard sheath and the silicon rubber sheath of other parts, and the length of the transition combination part is 5-6 cm.
6. The bird pecking prevention composite insulator of claim 3, wherein:
the middle part of the insulator is firstly injected and molded with the silicon rubber umbrella cover (3), then the hard umbrella covers (2) at the two end parts are injected and molded, and the hard material is injected and coated with the silicon rubber sheath at high temperature for transition combination.
7. The bird pecking prevention composite insulator of claim 6, wherein:
the composite insulator low-voltage end hard umbrella cover (2), the middle silicon rubber umbrella cover (3) and the high-voltage end hard umbrella cover (2) are in proportion as follows: 1:3: 1;
the thickness of the transition combination part of the hard sheath and the silicon rubber sheath is consistent with that of the hard sheath and the silicon rubber sheath of other parts, and the length of the transition combination part is 5-6 cm.
8. The bird pecking prevention composite insulator of claim 3, wherein:
the method comprises the steps of injection molding a silicon rubber umbrella cover (3) in the middle of a core rod (4), simultaneously injection molding inner silicon rubber sheaths at two ends of the core rod, and injection molding the hard umbrella cover (2) on the inner silicon rubber sheaths at two ends of the insulator, wherein the distance between the end part of the inner silicon rubber sheath and a hardware fitting (1) is 8-12 cm.
9. The bird pecking prevention composite insulator of claim 8, wherein:
the thickness of the hard sheath part of the hard umbrella cover and the thickness of the inner silicon rubber sheath are 5mm,
wherein the thickness of the hard sheath part of the hard umbrella sleeve (2) is 1-2 times of the thickness of the inner silicon rubber sheath.
10. The bird pecking prevention composite insulator of claim 8, wherein:
the composite insulator low-voltage end hard umbrella cover (2), the middle silicon rubber umbrella cover (3) and the high-voltage end hard umbrella cover are in proportion as follows: 1:3: 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020498064.XU CN212570557U (en) | 2020-04-08 | 2020-04-08 | Bird pecking prevention composite insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020498064.XU CN212570557U (en) | 2020-04-08 | 2020-04-08 | Bird pecking prevention composite insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212570557U true CN212570557U (en) | 2021-02-19 |
Family
ID=74617697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020498064.XU Active CN212570557U (en) | 2020-04-08 | 2020-04-08 | Bird pecking prevention composite insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212570557U (en) |
-
2020
- 2020-04-08 CN CN202020498064.XU patent/CN212570557U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108735401B (en) | Prevent bird excrement and prevent bird pecking stereoplasm composite insulator | |
| CN208173313U (en) | A kind of anti-birds droppings unfirmly closing composite insulator of hard big full skirt | |
| CN102024533A (en) | Composite flexible insulator and manufacturing method and application thereof | |
| CN101901649A (en) | High voltage power transmission transparent insulator | |
| CN105440460A (en) | Preparation process of rubber cable sheath | |
| CN201886843U (en) | Inner umbrella skirt type hollow core composite pillar insulator | |
| CN212570557U (en) | Bird pecking prevention composite insulator | |
| CN102254645A (en) | Hollow composite insulator | |
| CN212542058U (en) | Bird pecking prevention insulator formed by combining hard material and silicone rubber | |
| CN203386544U (en) | Composite porcelain insulator | |
| CN206685218U (en) | A kind of anti-corrosion, anti-bird, antifouling insulator improved structure | |
| KR100377249B1 (en) | Tension clamp for wiring | |
| CN216362069U (en) | Composite insulator with hard sheath embedded in sections | |
| CN115558239A (en) | Hard material of insulator, preparation method and composite series insulator | |
| CN218351200U (en) | Composite insulator with bird droppings proof pressure equalizing cover and sheath | |
| CN213182149U (en) | Reinforced optical fiber cable | |
| CN201747107U (en) | Herringbone insulation tower for power grid transmission lines, with diagonal drawing bar | |
| CN210245185U (en) | Windage yaw jumper wire prevention insulator for 500kV transmission line | |
| CN201812607U (en) | Hollow composite insulator for 170kV switch | |
| CN208596578U (en) | A kind of spherical shape composite insulator | |
| CN2922077Y (en) | Strong pollution resistive type composite electrical insulator | |
| CN111584170B (en) | Polymeric crystal silicon and silicone rubber combined bird pecking prevention insulator | |
| CN202352430U (en) | Insulator with integral protective screens on hardware in mold-pressing forming or injection forming mode | |
| CN108766681A (en) | Spherical composite insulator | |
| CN112679977A (en) | High-strength optical cable filler and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |