CN201298405Y - Bar-shaped suspension type porcelain insulator of steel caps with same shapes - Google Patents
Bar-shaped suspension type porcelain insulator of steel caps with same shapes Download PDFInfo
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- CN201298405Y CN201298405Y CNU2008201535456U CN200820153545U CN201298405Y CN 201298405 Y CN201298405 Y CN 201298405Y CN U2008201535456 U CNU2008201535456 U CN U2008201535456U CN 200820153545 U CN200820153545 U CN 200820153545U CN 201298405 Y CN201298405 Y CN 201298405Y
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Abstract
The utility model discloses a bar-shaped suspension type porcelain insulator of steel caps with the same shapes. The insulator comprises a solid porcelain body and metal caps sleeved at two end parts of the solid porcelain bodies; five layers of umbrella arrises are arranged at the middle part of the solid porcelain body at equal intervals; the diameters of the umbrella arrises are equal; and the outer ends of the two metal caps extend outwardly to form a pair of ear loops in the axial direction. The bar-shaped suspension type porcelain insulator can avoid the bridging of rainwater or ice prism among the umbrella arrises; the insulator has good self-cleaning performance; the creepage distance can reach 350mm so as to enhance the anti-fouling flashover performance; and at the same time, the solid porcelain adopts a high strength batch formula so as to effectively improve the mechanical stretching and breaking strength; the rated mechanical stretching strength reaches 45kN; the metal caps covers the cementing structures outside the two ends of the solid porcelain bodies, thereby avoiding the occurrence of zero of insulation; the lightning impulse withstand voltage is 140kV, thereby performing functions of lightening protection and ensuring safe operation of circuits.
Description
Technical field
The utility model relates to a kind of High-Voltage Insulation substring element, particularly a kind of Clavate suspension type porcelain insulator of identical shaped steel cap.
Background technology
Insulator is the vitals in the high-tension power transmission and transformation equipment, is mainly used in the defeated modified line road of high pressure, plays insulation, mechanical connection and support effect.China is vast in territory, geographic climate changes greatly, and a lot of places are the multiple districts of thunder and lightning, causes that suspension insulator null value, flashover problem are very outstanding, have a strong impact on safe operation of power system, and the power transmission and transformation equipment outer insulation pollution flashover that air pollution causes has caused serious harm to electric power system.The insulator that adopts on transmission line is divided into two big classes by version, be disc suspension and rod insulator, and the extensively utilization on the high voltage power transmission and transforming circuit of rod insulator insulator, its advantage mainly contains: 1. size is little, in light weight, is 50% of dish type porcelain insulator; 2. electroporcelain material does not have the aged deterioration problem, and the life-span is long; 3. belong to puncture-proof, need not detect null value; 4. umbellate form is open aerodynamic type, and self-cleaning is good, need not clean; 5. the creep distance of unit height is more much bigger than the dish type porcelain insulator of two umbrellas or three umbrellas, so can improve pollution flashover voltage; 6. because supporting arcing horn, grading ring are housed, can improve corona voltage and anti-electric arc level.The utilization of this product has solved the insulator null value effectively and has caused the line tripping problem.Therefore but solid porcelain body is provided with three layers of umbrella rib in the high-tension line Clavate suspension type porcelain insulator structure of prior art, has the short defective (only 300mm) of insulation distance, and the flashover phenomenon appears in insulator surface easily when thunderstorm season and air environmental pollution are serious.
Summary of the invention
The purpose of this utility model is in order to overcome the deficiencies in the prior art, a kind of Clavate suspension type porcelain insulator of identical shaped steel cap is provided, it can avoid rainwater or the bridge joint of sleet between each umbrella rib, has avoided insulation to produce the possibility of null value, and crucial effect is played in the safe operation of circuit.
The technical scheme that realizes above-mentioned purpose is: a kind of Clavate suspension type porcelain insulator of identical shaped steel cap, and comprise the solid porcelain body of clavate and be enclosed within metal cap on the solid porcelain body both ends outward, wherein,
The middle part of described solid porcelain body equally is provided with five layers of umbrella rib at interval, and the diameter of these five layers of umbrella ribs is identical;
The outer end of described two metal caps a pair of ear that axially stretches out is climbed.
The Clavate suspension type porcelain insulator of above-mentioned identical shaped steel cap, wherein, the diameter of described solid porcelain body is 54～66mm, and the spacing of five layers of umbrella rib is 36～40mm on the described solid porcelain body, and the diameter of described five layers of umbrella rib is 95～105mm.
The Clavate suspension type porcelain insulator of above-mentioned identical shaped steel cap, wherein, described solid porcelain body adopts intensive panel side.
The Clavate suspension type porcelain insulator of above-mentioned identical shaped steel cap, wherein, the material of described metal cap is a hot galvanizing malleable cast iron.
The Clavate suspension type porcelain insulator of above-mentioned identical shaped steel cap wherein, bonds by cement glue between the inner surface of described metal cap and the end outer surface of solid porcelain body, and also is provided with pad between the crown position of this cement glue and metal cap.
The Clavate suspension type porcelain insulator of identical shaped steel cap of the present utility model can be avoided rainwater or the bridge joint of sleet between each umbrella rib, and self-cleaning is good, and its creepage distance reaches 350mm, makes anti-pollution flashover characteristic strengthen; Solid porcelain body has adopted intensive panel side to improve the mechanical stretching breakdown strength effectively simultaneously.The specified intensity of mechanical stretching reaches 45kN, and its metal cap is enclosed within the mucilage binding structure outside the solid porcelain body two ends, has avoided insulation to produce the possibility of null value, and its lightning impulse withstand voltage is 140kV, and crucial effect is played in the safe operation of lightning protection and circuit.
Description of drawings
Fig. 1 is the structural representation of the Clavate suspension type porcelain insulator of identical shaped steel cap of the present utility model.
Embodiment
In order to understand the technical solution of the utility model better, below by embodiment particularly and be described in detail in conjunction with the accompanying drawings:
See also Fig. 1, the Clavate suspension type porcelain insulator of identical shaped steel cap of the present utility model comprises the solid porcelain body 4 of metal cap 1, clavate, wherein,
The middle part of solid porcelain body 4 equally is provided with five layers of umbrella rib 40 at interval, and the spacing h of these five layers of umbrella ribs 40 is 36～40mm, thereby makes the L elongation of insulation air line distance and reached 200～230mm, can avoid rainwater or the sleet bridge joint between each umbrella rib 40; The diameter D of these five layers of umbrella ribs 40 is identical, is 100～110mm, dodges and rain sudden strain of a muscle performance with the resistant of further reinforced insulation, and self-cleaning property is good simultaneously; The material of solid porcelain body 4 has adopted intensive panel side, thereby having improved the mechanical stretching breakdown strength effectively, the specified intensity of its mechanical stretching reaches 45kN, and that its diameter can be done is tiny relatively, the diameter d of solid porcelain body 4 is 54～66mm, makes its creepage distance can reach 350mm;
The material of metal cap 1 is a hot galvanizing malleable cast iron, bond by cement glue 3 between the end outer surface of its inner surface and clavate porcelain body 4, and also be provided with pad 2 between the crown position of this cement glue 3 and metal cap 1, cement glue 3 adopts the high strength cement adhesive, and pad 2 is a felt paper; This metal cap 1 is enclosed within the mucilage binding structure outside solid porcelain body 4 two ends, has avoided insulation to produce the possibility of null value, and crucial effect is played in the safe operation of circuit.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (5)
1. the Clavate suspension type porcelain insulator of an identical shaped steel cap comprises the solid porcelain body of clavate and is enclosed within metal cap on the solid porcelain body both ends outward, it is characterized in that,
The middle part of described solid porcelain body equally is provided with five layers of umbrella rib at interval, and the diameter of these five layers of umbrella ribs is identical;
The outer end of described two metal caps a pair of ear that axially stretches out is climbed.
2. the Clavate suspension type porcelain insulator of identical shaped steel cap according to claim 1, it is characterized in that, the diameter of described solid porcelain body is 54～66mm, and the spacing of five layers of umbrella rib is 36～40mm on the described solid porcelain body, and the diameter of described five layers of umbrella rib is 95～105mm.
3. the Clavate suspension type porcelain insulator of identical shaped steel cap according to claim 1 is characterized in that, described solid porcelain body adopts intensive panel side.
4. the Clavate suspension type porcelain insulator of identical shaped steel cap according to claim 1 is characterized in that, the material of described metal cap is a hot galvanizing malleable cast iron.
5. the Clavate suspension type porcelain insulator of identical shaped steel cap according to claim 1, it is characterized in that, bond by cement glue between the inner surface of described metal cap and the end outer surface of solid porcelain body, and also be provided with pad between the crown position of this cement glue and metal cap.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201535456U CN201298405Y (en) | 2008-09-26 | 2008-09-26 | Bar-shaped suspension type porcelain insulator of steel caps with same shapes |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201535456U CN201298405Y (en) | 2008-09-26 | 2008-09-26 | Bar-shaped suspension type porcelain insulator of steel caps with same shapes |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201298405Y true CN201298405Y (en) | 2009-08-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201535456U Expired - Lifetime CN201298405Y (en) | 2008-09-26 | 2008-09-26 | Bar-shaped suspension type porcelain insulator of steel caps with same shapes |
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| CN (1) | CN201298405Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102969095A (en) * | 2012-12-05 | 2013-03-13 | 上海市电力公司 | Column type insulator used for high-voltage line |
| CN102969094A (en) * | 2012-12-05 | 2013-03-13 | 上海市电力公司 | Bar-shaped insulator used for low-voltage circuit |
| CN103098148A (en) * | 2010-09-02 | 2013-05-08 | 瑟迪崴(有限公司)玻璃与混合柱型隔离器欧洲公司 | Process for manufacturing a casting made of ductile cast iron for a high-voltage insulator fitting |
-
2008
- 2008-09-26 CN CNU2008201535456U patent/CN201298405Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103098148A (en) * | 2010-09-02 | 2013-05-08 | 瑟迪崴(有限公司)玻璃与混合柱型隔离器欧洲公司 | Process for manufacturing a casting made of ductile cast iron for a high-voltage insulator fitting |
| CN102969095A (en) * | 2012-12-05 | 2013-03-13 | 上海市电力公司 | Column type insulator used for high-voltage line |
| CN102969094A (en) * | 2012-12-05 | 2013-03-13 | 上海市电力公司 | Bar-shaped insulator used for low-voltage circuit |
| CN102969094B (en) * | 2012-12-05 | 2016-07-13 | 上海市电力公司 | A kind of rod insulator for low-voltage circuit |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090826 |
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| CX01 | Expiry of patent term |