CN110473677A - A kind of Hollow Pillar insulator - Google Patents
A kind of Hollow Pillar insulator Download PDFInfo
- Publication number
- CN110473677A CN110473677A CN201910774008.6A CN201910774008A CN110473677A CN 110473677 A CN110473677 A CN 110473677A CN 201910774008 A CN201910774008 A CN 201910774008A CN 110473677 A CN110473677 A CN 110473677A
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- Prior art keywords
- insulation tube
- hollow
- flange
- seal structure
- hollow insulation
- Prior art date
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- 239000012212 insulator Substances 0.000 title claims abstract description 50
- 238000009413 insulation Methods 0.000 claims abstract description 85
- 238000007789 sealing Methods 0.000 claims abstract description 84
- 239000002274 desiccant Substances 0.000 claims abstract description 16
- 230000002093 peripheral effect Effects 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 230000002708 enhancing effect Effects 0.000 claims description 5
- 230000004308 accommodation Effects 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 229920000715 Mucilage Polymers 0.000 description 2
- 241000826860 Trapezium Species 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 2
- 239000004810 polytetrafluoroethylene Substances 0.000 description 2
- 239000003566 sealing material Substances 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- 229920000459 Nitrile rubber Polymers 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000003365 glass fiber Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000007769 metal material Substances 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
- 239000002808 molecular sieve Substances 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 229920000260 silastic Polymers 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229960001866 silicon dioxide Drugs 0.000 description 1
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/14—Supporting insulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B17/00—Insulators or insulating bodies characterised by their form
- H01B17/38—Fittings, e.g. caps; Fastenings therefor
Abstract
The application discloses a kind of Hollow Pillar insulator, including hollow insulation tube, it is coated and fixed on the full skirt of hollow insulation tube outer peripheral surface, it is socketed on the flange at hollow insulation tube both ends, flange includes ring flange and flange cylinder, and hollow insulation tube both ends inner wall is tapered, and end seal structure is arranged in hollow insulation tube, end seal structure is tightly connected hollow insulation tube and flange, and the height of end seal structure is higher than the height for the flange cylinder being socketed on outside hollow insulation tube.The hollow insulation tube that Hollow Pillar insulator in the application uses both ends tapered, junction end sealing structure is blocked, enhance sealing effect, and automatic plugging apparatus is set in an end of hollow insulation tube, it can be operated convenient for inflation/deflation, receiving portion is set also in end seal structure for accommodating desiccant, it is ensured that the micro-water content in insulation tube is maintained under standard value, it is ensured that the interior insulation effect of insulator.
Description
Technical field
The present invention relates to power industry power transmission and transformation equipment, more particularly to a kind of Hollow Pillar insulator.
Background technique
Composite insulator is broadly divided into two classes at present, and one kind is hollow combined insulator, and one kind is post composite insulator,
Conventional post composite insulator is solid construction.However, the post composite insulator heavier mass of solid construction, is unfavorable for transporting
Defeated and installation.
For this purpose, there is technical staff to propose Hollow Pillar insulator, but pure hollow support insulator, in mechanical strength and
Have in terms of whole sealing performance to be strengthened.In addition, general Puffer-type insulator needs to increase drying device, internal do is improved
Dry degree, but common drying device is metal mesh-like structure at present, reduce built-in electrical insulation apart from while, cost is also higher.
Summary of the invention
Based on this, it is necessary to provide the Hollow Pillar insulation of a kind of high mechanical strength, good seal performance regarding to the issue above
Son.The present invention provides a kind of Hollow Pillar insulator, including hollow insulation tube, is coated and fixed on the umbrella of hollow insulation tube outer peripheral surface
Skirt is socketed on the flange at hollow insulation tube both ends, and flange includes ring flange and flange cylinder, and hollow insulation tube both ends inner wall is in cone
Shape, hollow insulation tube is interior to be arranged end seal structure, and end seal structure is tightly connected hollow insulation tube and flange, end part seal
The height of structure is higher than the height for the flange cylinder being socketed on outside hollow insulation tube.
Further, end seal structure is set to hollow insulation tube end, is formed between end seal structure and flange
Annular groove, hollow insulative pipe sleeve are connected in annular groove, are tightly connected between hollow insulation tube and annular groove.
Further, end seal structure is made of enhancing composite material, and enhancing composite material fills hollow insulation tube two
End.
Further, end seal structure and flange are integrally formed.
Further, hollow insulation tube both ends internal diameter is gradually reduced along the direction far from flange, end seal structure and institute
It states and is equipped with sealing ring between hollow insulation tube.
Further, Hollow Pillar interior insulator is 0.1~0.15Mpa filled with dry gas, the absolute pressure of gas.
Further, first through hole and the second through-hole are respectively equipped in ring flange and end seal structure, first through hole, the
Two through-holes are connected with hollow insulation tube inner space, are provided with aerating and exhaust device in first through hole, sealer sealing filling the
Gap between one through-hole and aerating and exhaust device.
Further, Hollow Pillar insulator is equipped with automatic plugging apparatus, and automatic plugging apparatus includes closeouts and pressure certainly
Spring, closeouts from pressing spring by being locked in end seal structure surface and sealing the second through-hole.
Further, closeouts include sealing element and connecting plate, and the sealing element is fixedly connected with the connecting plate, from pressure
Spring connects connecting plate and end seal structure and sealing element is abutted against with the second through-hole.
Further, end seal structure is equipped with receiving portion, and receiving portion is for accommodating desiccant.
The beneficial effect of the application is: the Hollow Pillar insulator in the application, and insulation tube both ends use end part seal knot
Structure is blocked, and is formed groove between end seal structure and flange and is used to be cooperatively connected with hollow insulation tube, which can increase
The sealing effect of strong insulation tube.Hollow insulation tube end is tapered, can increase between hollow insulation tube and end seal structure
Sealing surface area and sealing performance can be further ensured that by extruding between end shape and sealing element.Hollow Pillar is exhausted
Dry gas filled with 0.1~0.15Mpa in edge, the air pressure are 1~1.5 standard atmospheric pressure, not with external pressure difference
Greatly, and the state of micro-positive pressure may make insulator to be suitable for various height above sea levels without negative pressure condition, can drop
Meet requirement while low air-proof condition.In addition automatic plugging apparatus is set in an end of hollow insulation tube, utilizes
Automatic plugging apparatus is convenient for can reach the effect sealed by force while inflation/deflation.In order to keep Hollow Pillar interior insulator dry
It is dry, receiving portion is set in end seal structure for accommodating desiccant, it is ensured that the micro-water content in insulation tube is maintained at
Under standard value, it is ensured that the interior insulation effect of insulator.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the insulator of one embodiment of the invention；
Fig. 2 is the enlarged cross-sectional view of the insulator of one embodiment of the invention；
Fig. 3 is the partial cutaway schematic of the insulator of another embodiment of the present invention.
Specific embodiment
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing to the present invention
Specific embodiment be described in detail.Many details are explained in the following description in order to fully understand this hair
It is bright.But the invention can be embodied in many other ways as described herein, those skilled in the art can be not
Similar improvement is done in the case where violating intension of the present invention, therefore the present invention is not limited by the specific embodiments disclosed below.
It should be noted that it can directly on the other element when element is referred to as " being fixed on " another element
Or there may also be elements placed in the middle.When an element is considered as " connection " another element, it, which can be, is directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all technical and scientific terms used herein and belong to technical field of the invention
The normally understood meaning of technical staff is identical.Term as used herein in the specification of the present invention is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term " and or " used herein includes one or more phases
Any and all combinations of the listed item of pass.
As depicted in figs. 1 and 2, one embodiment of the invention provides a kind of Hollow Pillar insulator 1000, including hollow exhausted
Edge pipe 1100, the full skirt 1200 for being coated and fixed on hollow 1100 outer peripheral surface of insulation tube, are socketed on hollow 1100 both ends of insulation tube
Flange 1010, flange 1010 include upper flange 1300 and lower flange 1400.End part seal knot is provided in hollow insulation tube 1100
Structure 1020, end seal structure 1020 are set to the both ends of hollow insulation tube 1100, and end seal structure 1020 includes upper end
Sealing structure 1500 and lower end part sealing structure 1600, upper end part sealing structure 1500 are tightly connected hollow insulation tube 1100 and upper
Flange 1300, lower end part sealing structure 1600 are tightly connected hollow insulation tube 1100 and lower flange 1400.It should be noted that this
Upper flange and lower flange and upper end part sealing structure are distinguished in text and lower end part sealing structure is for statement clearly, here
It is upper and lower be an opposite concept, can be replaced according to the actual situation, not make absolute limit.
The height of end seal structure 1020 is higher than the corresponding flange cylinder 1012 being socketed on outside hollow insulation tube 1100
Height, such setting can make end seal structure 1020 undertake certain mechanism, improve Hollow Pillar insulation
The mechanical strength of son 1000, while the position that can also prevent steam from connecting from flange 1010 with hollow insulation tube 1100 passes through sky
1100 inner wall of core insulation pipe penetrates into inside hollow insulation tube 1100, further increases sealing performance.Hollow insulation tube 1100
The inner wall at both ends is tapered, and the opening at hollow 1100 both ends of insulation tube is larger, and the internal diameter at hollow 1100 both ends of insulation tube is along remote
Direction from the flange 1010 is gradually reduced, i.e. the trapezoidal structure of lower end part sealing structure 1600, upper end part sealing structure
1500 be in inverted trapezoidal structure.The structure can increase the contact surface between end seal structure 1020 and hollow insulation tube 1100,
Simultaneously under the extruding of flange 1010, inner small and outside big trapezoid space is conducive to end seal structure 1020 and hollow insulation tube
Fitting closely between 1100 to be more advantageous to the sealing of hollow insulation tube 1100, while also helping hollow insulation tube
1100 preparation.For the ease of the installation of end seal structure 1020, the length of hollow 1100 tapered end of insulation tube need with
The height of end seal structure 1020 is suitable, in order to avoid since size mismatch causes installation process to cause hollow 1100 machine of insulation tube
Tool damage.Certainly, in other examples, the inner end diameter of hollow insulation tube 1100 can also be along hollow 1100 end of insulation tube
The direction at portion to center is gradually increased, i.e., lower end part sealing structure 1600 is in inverted trapezoidal structure, and upper end part sealing structure 1500 is in
Trapezium structure is not specifically limited herein.
End seal structure 1020 is made of enhancing composite material, which is glass fiber impregnated resinous wood
Material is identical with the material of hollow insulation tube 1100, and the two compatibility is preferable, and the globality after mucilage binding is high, and sealing effect is preferable, from
And improve the reliability of Hollow Pillar insulator 1000.Certainly, in other examples, end seal structure 1020 can also be with
It is epoxide resin material, or can also be silastic material, as long as is able to achieve sealing.It is hollow to enhance composite material filling
1100 both ends of insulation tube form end seal structure 1020, the contact between end seal structure 1020 and hollow insulation tube 1100
Face is equipped with seal groove 1021, and seal groove 1021 can be square groove, elliptical slot or annular groove etc., as long as can be used for placing
Sealing ring perhaps carries out mucilage binding sealing and the road sealing groove of twice, three or four also can be set, and seal groove
It can be set between end seal structure 1020 and flange 1010, be not specifically limited herein.
End seal structure 1020 can be directly molded on hollow insulation tube by the modes such as being injection moulded, being pressed and molded
1100 end can also carry out preforming to end seal structure 1020, then pass through adhesive for end seal structure
1020 are sealingly mounted at hollow 1100 end of insulation tube.In order to further enhance the sealing performance of Hollow Pillar insulator 1000,
Surface that hollow insulation tube 1100 is contacted with end seal structure 1020 carries out coarse processing, can be by the side such as polishing or being molded
Both formula forms rough surface on the inner wall of hollow insulation tube 1100 and/or the side of end seal structure 1020, may make
Between sealed connection it is more firm.
In other embodiments, as shown in figure 3, end seal structure 1020 can also be integrally formed with flange 1010.End
Part sealing structure 1020 and flange 1010 are integrally formed, and are equipped with annular groove 1022 between the two, and hollow insulation tube 1100 plugs
In annular groove 1022.It is tightly connected between hollow insulation tube 1100 and end seal structure 1020 and flange 1010, it is hollow
On the contact surface and hollow insulation tube 1100 of insulation tube 1100 and end seal structure 1020 and the contact surface of flange 1010
Equipped with seal groove 1021.End seal structure 1020 can be made with flange 1010 of metal material, or expoxy glass
Fibrous material is not particularly limited herein.
Filled with dry gas inside Hollow Pillar insulator 1000, the absolute pressure of dry gas is 0.1~0.15Mpa,
The pressure of i.e. 1~1.5 standard atmospheric pressure, it is little with external pressure difference, and the state of micro-positive pressure may make that insulator is suitable
For various height above sea levels, and be not in negative pressure condition, requirement can be met while reducing air-proof condition.
As shown in Fig. 2, upper flange 1300 includes upper flange plate 1310, upper flange plate 1310 is provided centrally with first through hole
1311, first through hole 1311 is for being arranged aerating and exhaust device 1700, in the enough situations of 1310 thickness of ring flange, inflation/deflation dress
Setting 1700 can be placed in completely in first through hole 1311.It is provided with the second through-hole 1510 in upper end part sealing structure 1500, second
Through-hole 1510 is connected to first through hole 1311 and 1100 inner space of hollow insulation tube, and the second through-hole 1510 and first through hole 1311 are same
The second through-hole 1510 can be used for accommodating the air inflation nozzle of aerating and exhaust device 1700 when axis is arranged.In other embodiments, first through hole
1311 also can be set in other positions of upper flange plate 1310, and first through hole 1311 and the second through-hole 1510 can also be different axis
Setting only needs so that first through hole 1311, the second through-hole 1510 are connected with hollow 1100 inner space of insulation tube.
In order to save material cost, it can suitably reduce the thickness of ring flange 1310, in order to enable aerating and exhaust device 1700 is complete
It is placed in Hollow Pillar insulator 1000 entirely, in upper end, part sealing structure 1500 is arranged one close to the end face of upper flange plate 1310
A first groove 1511, aerating and exhaust device 1700 are placed in the first groove 1511 and first through hole 1311, the first groove 1511
It is coaxially disposed with first through hole 1311 and the second through-hole 1510.The outer diameter of aerating and exhaust device 1700 is less than in the first groove 1511
Diameter and the outer diameter for being greater than the second through-hole 1510, the step surface formed between the second through-hole 1510 and the first groove 1511, so that
Aerating and exhaust device 1700 can be fixed on the step surface.In addition, since Hollow Pillar insulator 1000 is for its internal gas
Degree of drying is more demanding, it is therefore desirable to avoid leaking by aerating and exhaust device 1700 and the sealed connection of upper end part sealing structure 1500
Gas avoids the gas moisture content being filled with inside Hollow Pillar insulator 1000 excessively high.In other embodiments, the first groove
1511 can also be different axis setting with first through hole 1311 and the second through-hole 1510, only need so that being connected between three.
In order to fix aerating and exhaust device 1700 while seal first through hole 1311, the first groove 1511 and the second through-hole
1510, it fills out in the gap between aerating and exhaust device 1700 and first through hole 1311, the first groove 1511 and the second through-hole 1510
Fill sealer (not shown).In order to enable the stackable use of Hollow Pillar insulator 1000, it can be complete by aerating and exhaust device 1700
It submerges in the space of first through hole 1311 and the formation of the first groove 1511, when being sealed, sealer is utilized to fill full first
Through-hole 1311 and the first groove 1511, so that sealing surface is concordant with the bottom surface of ring flange 1310.It is close of course for preferably being promoted
Sealing property can also avoid steam along first through hole 1311 and flange using the edge of sealer covering first through hole 1311
The gap of 1010 interface enters in Hollow Pillar insulator 1000.Sealer can select common sealing material, such as silicon
Rubber, polyurethane, polytetrafluoroethylene (PTFE) etc., are not specifically limited herein.
It is empty for the ease of inflation/deflation operation, while convenient for being detected to the operation conditions of Hollow Pillar insulator 1000
Heart support insulator 1000 is additionally provided with automatic plugging apparatus 1520 and carries out elastic closure to the second through-hole 1510.Automatic plugging apparatus
1520, including closeouts and from pressing spring 1522, connect closeouts and upper end part sealing structure from 1522 elastic fastening of pressing spring
1500.Closeouts include sealing element 1521 and connecting plate 1523, and sealing element 1521 is fixedly connected on connecting plate 1523, sealing element
1521 endless all standing connecting plates 1523, form step surface 15231 between the two, and step surface 15231 is equipped at least two certainly
Pressing spring 1522, from 1522 elastic connection connecting plate 1523 of pressing spring and upper end part sealing structure 1500, so that sealing element
1521 are tightly connected the second through-hole 1510.The wherein elastic packings material such as the material selection silicon rubber of sealing element 1521, nitrile rubber
Material, is conducive to its cooperation and is preferably sealed from the pressure of pressing spring 1522.
It is used as connector using from pressing spring 1522, realize sealing element 1521 and the second through-hole 1510 with not only can be convenient
Between sealed connection, while being also convenient for detecting, it is convenient to pass through automatic plugging apparatus 1520 and extract Hollow Pillar insulator
Gas inside 1000, to be detected to its internal state and operation conditions.In other examples, closeouts can
To only include sealing element 1521, no setting is required connecting plate 1523 can be directly connected to 1521 He of sealing element from pressing spring 1522
Between upper end part sealing structure 1500, a step surface only need to be formed on sealing element 1521, is connected to from pressing spring 1522 close
On the step surface that sealing 1521 does not contact directly with upper end part sealing structure 1500.For from pressing spring 1522 and upper end
Sealing structure 1500, connecting plate 1523, the connection type between sealing element 1521 can use common connection type, herein not
Concrete restriction is done, need to only realize the elastic packing connection between sealing element 1521 and upper end part sealing structure 1500.
In order to further guarantee the sealing performance of Hollow Pillar insulator 1000, sealing element 1521 includes inner seal liner
15211 and outside seal 15212.The size of inner seal liner 15211 is less than the size of outside seal 15212, i.e. inner seal liner
Sealing station terrace 15213, sealing station terrace 15213 and upper end part sealing structure are formed between 15211 and outside seal 15212
1500 abut against.Inner seal liner 15211 is trapezium structure, forms plug structure, and the trapezoidal long side of inner seal liner 15211 is slightly larger than
The outer diameter of second through-hole 1510 is pressed further by inner seal liner 15211, trapezoidal knot from pressing spring 1522 in the case where tightening
Structure may make preferably to be sealed between inner seal liner 15211 and the second through-hole 1510.Simultaneously because sealing element 1521 is bullet
Property sealing material be made, there is certain decrement, the size of interior sealing 15211 can be with slightly larger than the size of the second through-hole 1510
So that under the action of from pressing spring 1522, interior sealing 15211 can submerge completely the second through-hole 1510 and with the second through-hole
1510 inner wall is in close contact, so that also can closely abut between outside seal 15212 and upper end part sealing structure 1500.
It is integrally formed between inner seal liner 15211 and outside seal 15212, is conducive to the sealing of structure.Certainly, in other embodiments
In, inner seal liner 15211 and outside seal 15212 may be two separate structures, tight by bonding or other modes
It is close to connect into an entirety, it is not particularly limited herein.
Since the size of aerating and exhaust device 1700 is typically small, it is accordingly used in the of accommodating 1700 air inflation nozzle of aerating and exhaust device
The size of two through-holes 1510 is also smaller, however the dimensional fits precision of sealing element 1521 and the second through-hole 1510 will affect the two
Between sealing effect, and the size Control of the sealing element 1521 of small size is more difficult, therefore for the ease of sealing element 1521
Size Control, can upper end part sealing structure 1500 close to 1521 one end of sealing element be arranged the second groove 1512, utilize ruler
Very little biggish second groove 1512 is matched with closeouts 1521 to be sealed.
In other examples, it is also possible to be provided with charge and discharge on the lower end part sealing structure 1600 in lower flange 1400
It is all provided on device of air 1700 and automatic plugging apparatus 1520 or upper end part sealing structure 1500 and lower end part sealing structure 1600
Set aerating and exhaust device 1700 and automatic plugging apparatus 1520.In addition, the number of aerating and exhaust device 1700 is not limited to one, Ke Yiwei
It is multiple.The position of aerating and exhaust device 1700 and quantity can according to actual needs depending on.
Receiving portion 1630 is equipped in lower end part sealing structure 1600, for accommodating desiccant (not shown), desiccant is available
To absorb the steam in hollow insulation tube 1100.In the present embodiment, receiving portion 1630 is equipped with and receiving portion size shape phase
The lid 1631 matched, desiccant are placed in receiving portion 1630, and lid 1631 is fixed in holding tank 1630, avoid spilling
Pollute the inner space of hollow insulation tube 1100.Lid 1631 is equipped with several air vents, in order to the gas in receiving portion 1630
Gas exchanges in body and hollow insulation tube 1100, preferably absorption steam.Certainly, in other embodiments, can also use
Whole block-like desiccant is securable in receiving portion 1630 without fixed device.For example interference fit can be passed through
Desiccant is held in receiving portion 1630 by mode, without also or by receiving portion 1630 being set as by fixed device
The structure that the space at middle part is big, both ends spaces are small, such desiccant can limit at the middle part of receiving portion 1630.Wherein desiccant
It can be molecular sieve desiccant, calcium chloride drier, silica-gel desiccant, fiber desiccant etc., be not specifically limited herein.
In other examples, it is also possible to be provided with receiving on the upper end part sealing structure 1500 in upper flange 1300
Portion 1630 and desiccant.Or 1630 He of receiving portion is respectively provided on upper end part sealing structure 1500 and lower end part sealing structure 1600
Desiccant.In addition, the number of receiving portion 1630 is not limited to one, can be it is multiple, the position of receiving portion 1630 and quantity can be with
Depending on according to actual needs.
Each technical characteristic of above embodiments can be combined arbitrarily, for simplicity of description, not to above-described embodiment
In each technical characteristic it is all possible combination be all described, as long as however, the combination of these technical characteristics be not present lance
Shield all should be considered as described in this specification.
Only several embodiments of the present invention are expressed for above embodiments, and the description thereof is more specific and detailed, but can not
Therefore it is construed as limiting the scope of the patent.It should be pointed out that for those of ordinary skill in the art, In
Under the premise of not departing from present inventive concept, various modifications and improvements can be made, and these are all within the scope of protection of the present invention.
Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.
Claims (10)
1. a kind of Hollow Pillar insulator, including hollow insulation tube are coated and fixed on the full skirt of the hollow insulation tube outer peripheral surface,
It is socketed on the flange at the hollow insulation tube both ends, the flange includes ring flange and flange cylinder, which is characterized in that described hollow
Insulation tube both ends inner wall is tapered, and end seal structure is arranged in the hollow insulation tube, and the end seal structure sealing connects
The hollow insulation tube and the flange are connect, the height of the end seal structure, which is higher than, to be socketed on outside the hollow insulation tube
The flange cylinder height.
2. Hollow Pillar insulator according to claim 1, which is characterized in that the end seal structure is set to described
Hollow insulation tube end forms annular groove, the hollow insulation tube socket between the end seal structure and the flange
In the annular groove, it is tightly connected between the hollow insulation tube and the annular groove.
3. Hollow Pillar insulator according to claim 1, which is characterized in that the end seal structure is compound by enhancing
Material is constituted, and the enhancing composite material fills the hollow insulation tube both ends.
4. Hollow Pillar insulator according to claim 1, which is characterized in that the end seal structure and the flange
It is integrally formed.
5. Hollow Pillar insulator according to claim 1, which is characterized in that the hollow insulation tube both ends internal diameter is along remote
Direction from the flange is gradually reduced, and sealing ring is equipped between the end seal structure and the hollow insulation tube.
6. Hollow Pillar insulator according to claim 1, which is characterized in that the Hollow Pillar interior insulator filled with
Dry gas, the absolute pressure of the gas are 0.1~0.15Mpa.
7. Hollow Pillar insulator according to claim 1, which is characterized in that the ring flange and the end part seal knot
First through hole and the second through-hole are respectively equipped in structure, inside the first through hole, second through-hole and the hollow insulation tube
Space is connected, and aerating and exhaust device is provided in the first through hole, and sealer sealing is filled the first through hole and filled with described
Gap between means of deflation.
8. Hollow Pillar insulator according to claim 7, which is characterized in that the Hollow Pillar insulator is equipped with automatic
Plugging device, the automatic plugging apparatus include closeouts with from pressing spring, and the closeouts are locked by described from pressing spring
It is fixed on the end seal structure surface and seals second through-hole.
9. Hollow Pillar insulator according to claim 8, which is characterized in that the closeouts include sealing element and connection
Plate, the sealing element are fixedly connected with the connecting plate, described close from connecting plate and the end described in pressing spring elastic connection
Seal structure simultaneously abuts against the sealing element with second through-hole.
10. Hollow Pillar insulator according to claim 1, which is characterized in that the end seal structure, which is equipped with, to be accommodated
Portion, described accommodation section is for accommodating desiccant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774008.6A CN110473677A (en) | 2019-08-21 | 2019-08-21 | A kind of Hollow Pillar insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910774008.6A CN110473677A (en) | 2019-08-21 | 2019-08-21 | A kind of Hollow Pillar insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110473677A true CN110473677A (en) | 2019-11-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910774008.6A Pending CN110473677A (en) | 2019-08-21 | 2019-08-21 | A kind of Hollow Pillar insulator |
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| CN1043405A (en) * | 1988-12-06 | 1990-06-27 | 日本碍子株式会社 | Contain optical fiber insulator and manufacturing process thereof |
| CN1585046A (en) * | 2004-05-26 | 2005-02-23 | 宁波市科技园区永耀电力科技发展有限公司 | Composite protective cover insulator lightning arrester and producing method thereof |
| CN2907016Y (en) * | 2005-09-21 | 2007-05-30 | 天津市油田采油成套设备有限公司 | Integral compressed type lead-out cable connector |
| 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 |
| CN204804741U (en) * | 2015-06-16 | 2015-11-25 | 中国石油天然气股份有限公司 | Hollow sucker rod cable sealing device |
| CN206312661U (en) * | 2016-11-09 | 2017-07-07 | 宜兴华源电工设备有限公司 | A kind of Hollow Compound support insulator |
| CN206844496U (en) * | 2017-06-09 | 2018-01-05 | 中建八局第三建设有限公司 | Prevent out the Prefabricated Concrete mushroom head of roof pipeline root ponding |
| CN207796338U (en) * | 2018-01-16 | 2018-08-31 | 陕西天元石化建设工程有限公司 | A kind of quick flange attachment device |
| CN208298635U (en) * | 2018-06-14 | 2018-12-28 | 长园高能电气股份有限公司 | A kind of sealing structure of hollow combined insulator |
| CN210516349U (en) * | 2019-08-21 | 2020-05-12 | 江苏神马电力股份有限公司 | Hollow post insulator |
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2019
- 2019-08-21 CN CN201910774008.6A patent/CN110473677A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1043405A (en) * | 1988-12-06 | 1990-06-27 | 日本碍子株式会社 | Contain optical fiber insulator and manufacturing process thereof |
| CN1585046A (en) * | 2004-05-26 | 2005-02-23 | 宁波市科技园区永耀电力科技发展有限公司 | Composite protective cover insulator lightning arrester and producing method thereof |
| CN2907016Y (en) * | 2005-09-21 | 2007-05-30 | 天津市油田采油成套设备有限公司 | Integral compressed type lead-out cable connector |
| 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 |
| CN204804741U (en) * | 2015-06-16 | 2015-11-25 | 中国石油天然气股份有限公司 | Hollow sucker rod cable sealing device |
| CN206312661U (en) * | 2016-11-09 | 2017-07-07 | 宜兴华源电工设备有限公司 | A kind of Hollow Compound support insulator |
| CN206844496U (en) * | 2017-06-09 | 2018-01-05 | 中建八局第三建设有限公司 | Prevent out the Prefabricated Concrete mushroom head of roof pipeline root ponding |
| CN207796338U (en) * | 2018-01-16 | 2018-08-31 | 陕西天元石化建设工程有限公司 | A kind of quick flange attachment device |
| CN208298635U (en) * | 2018-06-14 | 2018-12-28 | 长园高能电气股份有限公司 | A kind of sealing structure of hollow combined insulator |
| CN210516349U (en) * | 2019-08-21 | 2020-05-12 | 江苏神马电力股份有限公司 | Hollow post insulator |
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