CN104616841A - Hollow insulator - Google Patents
Hollow insulator Download PDFInfo
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- CN104616841A CN104616841A CN201510015340.6A CN201510015340A CN104616841A CN 104616841 A CN104616841 A CN 104616841A CN 201510015340 A CN201510015340 A CN 201510015340A CN 104616841 A CN104616841 A CN 104616841A
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- insulating cylinder
- hollow insulator
- strutting piece
- hollow
- cross
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Abstract
The invention discloses a hollow insulator. The hollow insulator comprises a hollow insulating barrel, a full skirt which wraps the insulating barrel, flanges connected to two ends of the insulating barrel, and at least one supporting part section; the supporting part is supported on the inner wall of the insulating barrel. The hollow insulator is outstanding in bending resistance; the manufacturing method is simple; materials can be saved.
Description
Technical field
The present invention relates to a kind of transmission of electricity insulator arrangement field, specifically a kind of hollow insulator.
Background technology
At present, insulator is used widely in power industry.There is a kind of hollow insulator in insulator, hollow insulator generally includes insulating cylinder, be coated on the full skirt outside this insulating cylinder and be connected to the flange at these insulating cylinder two ends.Hollow insulator can be used for power station bus pillar, isolating switch, smoothing reactor, and the power transmission and transforming equipments such as transmission line cross-arm are as support and electric insulating part.
Hollow insulator is as supporting member, and its mechanical strength directly affects the mechanical performance of equipment.The anti-bending strength of some equipment to hollow insulator has larger requirement, and corresponding hollow insulator just must have stronger anti-bending strength.At present, the general diameter adopting increasing hollow insulator, increases the wall thickness of hollow insulator insulating cylinder, or is replaced by solid insulator to improve anti-bending strength.But said method waste material, improve equipment cost, and add weight of equipment.
Summary of the invention
For the deficiencies in the prior art, the object of this invention is to provide a kind of hollow insulator, this hollow insulator has good flexing resistance.
For achieving the above object, the technology used in the present invention means are as follows: a kind of hollow insulator, comprise hollow insulating cylinder, be coated on the full skirt outside this insulating cylinder and be connected to the flange at these insulating cylinder two ends, this hollow insulator also comprises at least one section of strutting piece, and this supports support is on the inwall of this insulating cylinder.
Above-mentioned hollow insulator, owing to being provided with strutting piece in above-mentioned insulating cylinder, this supports support at the inwall of this insulating cylinder, and has certain length in the vertical, and this strutting piece can resist the deformation that this insulating cylinder occurs, thus improves the flexing resistance of this hollow insulator.In addition, manufacture because this strutting piece can separate with this insulating cylinder, manufacture method is simple.Relative to the mode such as wall thickness increasing insulating cylinder, this strutting piece can adjust shape and support angle, can save material, can also have the anti-bending strength on certain direction of this insulating cylinder of tendentious increase.
Preferably, above-mentioned strutting piece is longitudinally extended internally by the end of above-mentioned insulating cylinder.One end of this strutting piece is fixed on end, can directly be fixed on the flange of end, can prevent this strutting piece from moving in this insulating cylinder; Because this strutting piece is arranged on the end of this hollow insulator, effectively can improve the flexing resistance of end, and in actual motion, the end of hollow insulator generally can be stressed more concentrated.
Preferably, above-mentioned strutting piece at least comprises two support ends in the radial direction of this insulating cylinder, and this support end is against the inwall of this insulating cylinder.
More preferably, the cross section of this strutting piece cross section is cross structure.More preferably, four ends of this cross structure are four above-mentioned support ends, and the inwall of this insulating cylinder is to four support ends of strutting piece being provided with four corresponding grooves.The rotation that the design of this groove can prevent this strutting piece from occurring in circumference in this insulating cylinder, so that affect anti-bending strength.The strutting piece of the cross structure of these four support ends can make the anti-bending strength of insulator in both direction in length and breadth improve a lot.More preferably, being centrally located on the axis of this insulating cylinder of cross structure of above-mentioned strutting piece.The relative axle center of strutting piece of this cross structure is evenly distributed, and makes the center of gravity of this hollow insulator be positioned on axis, stressed evenly.More preferably, the cross section of above-mentioned support end is T font structure, and the end face of this T font is near the inwall of this insulating cylinder.The structure of this T font can effectively prevent above-mentioned support end place generation stress from concentrating, and prevents from producing this insulating cylinder destroying.
Preferably, above-mentioned strutting piece cross section is equilateral triangle.This leg-of-mutton supporting piece structure is more stable, except improving the anti-bending strength of this hollow insulator greatly, also helps and improves other mechanical performances.Due to the structure of this strutting piece hollow, also can not hinder this hollow insulator that other components are set at center.
Preferably, the longitudinal length of above-mentioned strutting piece is equal with the length of this insulating cylinder.The length of this strutting piece makes all to be supported with this strutting piece in this insulating cylinder, make each several part anti-bending strength in insulating cylinder balanced, and it is concentrated not easily to produce stress.
Preferably, the longitudinal length of above-mentioned strutting piece is the half of the length of this insulating cylinder, and this hollow insulator comprises two these strutting pieces, and two these strutting pieces are separately fixed at the two ends of this insulating cylinder.These two strutting pieces can be put into respectively by the two ends of this insulating cylinder, prevent from being difficult to because strutting piece is long insert smoothly in this insulating cylinder.
Preferably, full insulating material is filled in above-mentioned insulating cylinder.This insulating material can be filled after strutting piece puts into this insulating cylinder, is cured afterwards.
Accompanying drawing explanation
Fig. 1 is the part-structure partial sectional perspective view of the hollow insulator 100 of the embodiment of the present invention one;
Fig. 2 is the part-structure schematic perspective view of the hollow insulator 200 of the embodiment of the present invention two;
Fig. 3 is the insulating cylinder 310 of the embodiment of the present invention three and the cross sectional representation of strutting piece 340.
Wherein,
100,200---hollow insulator;
110,210,310---insulating cylinder;
111,211,311---groove;
120---full skirt;
130,230---flange;
140,240,340---strutting piece;
141,241,341---support end;
142,242---fixing hole
343---arcuation is protruding.
Embodiment
As requested, the specific embodiment of the present invention will be disclosed here.But should be understood that, execution mode disclosed is here only exemplary of the present invention, and it can be presented as various forms.Therefore, here the detail disclosed is not considered to restrictive, and be only as the basis of claim and as instructing those skilled in the art differently to apply representational basis of the present invention in appropriate mode any in reality, the various features comprising employing disclosed here also combine the feature that may clearly not disclose here.
Embodiment one:
As shown in Figure 1, the hollow insulator 100 of the present embodiment, comprises insulating cylinder 110, the full skirt 120 of insulating cylinder 110 outer cladding, and the flange 130 (upper flanges is not shown) that insulating cylinder 110 two ends are fixing.Strutting piece 140 is provided with in insulating cylinder 110.
The hollow cylinder that insulating cylinder 110 is glass fiber winding.The cross section of strutting piece 140 is cross, and length is equal with the length of insulating cylinder 110.Strutting piece 140 comprises four support ends 141, and support end 141 is against the inwall of insulating cylinder 110.Support end 141 and criss-cross center corner are all set to fillet structure.The position of the corresponding support end 141 of insulating cylinder 110 is provided with groove 111, and support end 141 is against the bottom land of groove 111.Strutting piece 140 one end is provided with eight fixing holes 142, is fixed on flange 130 by strutting piece 140 by fixing hole 142.The criss-cross center of strutting piece 140 is on the axis of insulating cylinder 110.Strutting piece 140 can pass through compression molding or pultrusion.
Insulating foams (not shown) is also filled with in insulating cylinder 110.
The hollow insulator 100 of the present embodiment, is supported on by strutting piece 140 on the inwall of insulating cylinder 110, improves the anti-bending strength of hollow insulator 100.Because strutting piece 140 is cross structure, horizontal and vertically all there is good anti-bending mechanics performance criss-cross.Tip or the depression of strutting piece 140 are provided with fillet structure, can avoid stress concentrate or electric field concentrate.The position of the corresponding support end 141 of insulating cylinder 110 inwall is provided with groove 111, can prevent strutting piece 140 from rotating and depart from original angle or the damage that twists.Strutting piece 140 is fixed on flange 130, and strutting piece 140 can be prevented mobile in insulating cylinder 110.
Embodiment two:
As shown in Figure 2, the hollow insulator 200 of the present embodiment, wherein the cross section of strutting piece 240 is equilateral triangle and three summits are set to the structure of fillet.The length of strutting piece 240 is the half of the length of insulating cylinder 210, is provided with about two strutting pieces superposed 240 in insulating cylinder 210.Strutting piece 240 comprises three support ends 241, inwall relative set three grooves 211 of insulating cylinder 210.Strutting piece 240 is provided with six fixing holes 242 near one end of flange 230, is fixed on flange 230 by strutting piece 240 by fixing hole 242.
Describe except above, the structure of the hollow insulator 200 of the present embodiment is identical with the structure of the hollow insulator 100 of the embodiment of the present invention one.
The hollow insulator 200 of the present embodiment, by the inwall of strutting piece 240 supports insulative cylinder 210, improves the anti-bending strength of hollow insulator 200.In addition because strutting piece 240 is equilateral triangle structure, except raising flexing resistance, the deformation that insulating cylinder 210 occurs in radial direction can also be reduced, improve the mechanical performance of hollow insulator 200.Strutting piece 240 center of the present embodiment can also arrange other components such as electric conductor.The support end 241 of strutting piece 240 is provided with fillet structure, can avoid stress concentrate or electric field concentrate.The position of the corresponding support end 241 of insulating cylinder 210 inwall is provided with groove 211, can prevent strutting piece 240 from rotating and depart from original angle or the damage that twists.Strutting piece 240 is fixed on flange 230, and strutting piece 240 can be prevented mobile in insulating cylinder 210.
Embodiment three:
As shown in Figure 3, the cross section of the support end 341 of the strutting piece 340 of the present embodiment is T font structure, and the top of this T font is near the inwall of insulating cylinder 310, and the turning of this T font is provided with fillet structure.In addition, the top of this T font has arcuation protruding, and this arcuation projection extend in groove 311.
Except above description, the hollow insulator of the present embodiment is identical with hollow insulator 100 structure of the embodiment of the present invention one.
The hollow insulator of the present embodiment, there are all advantages of the hollow insulator 100 of embodiment one, in addition, because the T font of support end 341 designs, effectively can prevent from support end 341 from insulating cylinder 310 inwall, forming stress to concentrate, so that damage is produced to the inwall of the insulating cylinder 310 at this place.
In addition, according to the requirement of equipment, to the different requirements of hollow insulator diverse location anti-bending strength, strutting piece of the present invention can also only in supports insulative cylinder a certain section or a few sections.
Technology contents of the present invention and technical characterstic have disclosed as above; but be appreciated that; under creative ideas of the present invention; those skilled in the art can make various changes said structure and material and improve; comprise the combination of disclosure or claimed technical characteristic separately here, comprise other combination of these features significantly.These distortion and/or combination all fall in technical field involved in the present invention, and fall into the protection range of the claims in the present invention.
Claims (10)
1. a hollow insulator, comprise hollow insulating cylinder, be coated on the full skirt outside described insulating cylinder and be connected to the flange at described insulating cylinder two ends, it is characterized in that: the inside of at least one section of described insulating cylinder is provided with strutting piece, described supports support is on the inwall of described insulating cylinder.
2. hollow insulator as claimed in claim 1, is characterized in that: described strutting piece is longitudinally extended internally by the end of described insulating cylinder.
3. hollow insulator as claimed in claim 1, is characterized in that: described strutting piece at least comprises two support ends in the radial direction of described insulating cylinder, and described support end is against the inwall of described insulating cylinder.
4. hollow insulator as claimed in claim 3, is characterized in that: the cross section of described strutting piece is cross structure.
5. hollow insulator as claimed in claim 4, is characterized in that: four ends of described cross structure are four described support ends, and four described support ends of the corresponding described strutting piece of inwall of described insulating cylinder are provided with four corresponding grooves.
6. hollow insulator as claimed in claim 5, is characterized in that: the cross section of described support end is T font structure, and the end face of described T font is near the inwall of described insulating cylinder.
7. hollow insulator as claimed in claim 1, is characterized in that: described strutting piece cross section is equilateral triangle.
8. hollow insulator as claimed in claim 1, is characterized in that: the longitudinal length of described strutting piece is equal with the length of described insulating cylinder.
9. hollow insulator as claimed in claim 1, it is characterized in that: the longitudinal length of described strutting piece is the half of the length of described insulating cylinder, described hollow insulator comprises two described strutting pieces, and two described strutting pieces are separately fixed at the two ends of described insulating cylinder.
10. hollow insulator as claimed in claim 1, is characterized in that: fill full insulating material in described insulating cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015340.6A CN104616841B (en) | 2015-01-12 | 2015-01-12 | Hollow insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510015340.6A CN104616841B (en) | 2015-01-12 | 2015-01-12 | Hollow insulator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104616841A true CN104616841A (en) | 2015-05-13 |
| CN104616841B CN104616841B (en) | 2017-11-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510015340.6A Active CN104616841B (en) | 2015-01-12 | 2015-01-12 | Hollow insulator |
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| Country | Link |
|---|---|
| CN (1) | CN104616841B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201348900Y (en) * | 2009-01-13 | 2009-11-18 | 浙江金凤凰电气有限公司 | Post compound insulator |
| CN102110503A (en) * | 2010-12-27 | 2011-06-29 | 东莞市高能电气股份有限公司 | Preparation process of inner umbrella skirt of hollow post composite insulator |
| CN102568675A (en) * | 2010-11-19 | 2012-07-11 | Abb技术有限公司 | High voltage bushing with reinforced conductor |
| CN204360849U (en) * | 2015-01-12 | 2015-05-27 | 江苏神马电力股份有限公司 | Hollow insulator |
-
2015
- 2015-01-12 CN CN201510015340.6A patent/CN104616841B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201348900Y (en) * | 2009-01-13 | 2009-11-18 | 浙江金凤凰电气有限公司 | Post compound insulator |
| CN102568675A (en) * | 2010-11-19 | 2012-07-11 | Abb技术有限公司 | High voltage bushing with reinforced conductor |
| CN102110503A (en) * | 2010-12-27 | 2011-06-29 | 东莞市高能电气股份有限公司 | Preparation process of inner umbrella skirt of hollow post composite insulator |
| CN204360849U (en) * | 2015-01-12 | 2015-05-27 | 江苏神马电力股份有限公司 | Hollow insulator |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104616841B (en) | 2017-11-17 |
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