CN206388573U - Support insulator plug preform and support insulator - Google Patents
Support insulator plug preform and support insulator Download PDFInfo
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- CN206388573U CN206388573U CN201720091502.9U CN201720091502U CN206388573U CN 206388573 U CN206388573 U CN 206388573U CN 201720091502 U CN201720091502 U CN 201720091502U CN 206388573 U CN206388573 U CN 206388573U
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- groove
- inner core
- core rod
- support insulator
- insulator plug
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Abstract
The utility model discloses a kind of support insulator plug preform and insulator.Described support insulator precast body includes inner core rod and is wrapped in the composite layer of the outer surface of the inner core rod；The outer surface of the inner core rod is axially disposed a plurality of groove；The inner core rod is axially inside provided with least one axial passage, has been disposed radially a plurality of radial passage；It is connected between the groove and the axial passage by the radial passage.Support insulator plug preform of the present utility model can significantly improve the form efficiency of product, and reduction interiors of products composite layer soaks impermeable phenomenon, improves the yield rate of product.
Description
Technical field
The utility model is related to a kind of support insulator inner core rod preform, further relates to support insulator.
Background technology
Large-diameter pillar insulator plug typically infiltrates epoxy resin using by the preform of support insulator plug
The technique that curing molding is carried out after glass fiber winding, the technique easily produces layering and bubble phenomenon, while in cure shrinkage
Easily crack afterwards, this product for causing to obtain is unable to reach the electrical property and mechanical property requirements of standard, so that into
Product rate is relatively low.
In order to solve the above problems, pouring and forming process is developed later, the technique is in inner core rod (such as pultrusion inner core
Rod) glass fabric, then the form in mould are wound outside, infusion time is long, less efficient, and exists close to internal
Glass fabric soak impermeable phenomenon, yield rate is relatively low.In existing instillation process, solid inner core rod, its shape are generally used
Shape is simple cylinder.Such as Chinese patent application 201220180186.X discloses a kind of composite rod insulator plug,
With inner core rod (1), at least there is one layer of sleeve (3) being adhesively fixed by tack coat (2) in the outside of inner core rod (1), should
Inner core rod is cylinder.Chinese patent application 201320345980.X discloses a kind of combined type plug and with this plug
Insulator, the combined type plug is included positioned at middle main plug, some inner core rods being arranged on around the main plug, Yi Jishe
Put the fixing pipe in some inner core rod peripheries；In the patent application, no matter main plug be also provided in it is interior around the plug
Plug, is cylinder.
Utility model content
It is high that the purpose of this utility model is to provide a kind of support insulator plug preform its charging efficiency, and into
Product rate is high.
Another object of the present utility model is to provide a kind of support insulator, its high yield rate.
The purpose of this utility model is achieved by the following technical solution.
A kind of support insulator plug preform, including inner core rod and the composite wood for being wrapped in the inner core rod outer surface
The bed of material；The outer surface of the inner core rod is axially disposed an a plurality of groove, and the inner core rod is axially inside provided with least
One axial passage, has been disposed radially a plurality of radial passage；Pass through described footpath between the groove and the axial passage
It is connected to passage.
In the utility model, it is preferable that described inner core rod is pultrusion plug.The cross section of described inner core rod is circle
Or regular polygon.Preferably, a diameter of 80~150mm of described inner core rod, more preferably 90~135mm.When the inner core
When the cross section of rod is regular polygon, the diameter of described inner core rod refers to the inscribe diameter of a circle of the regular polygon.Preferably,
The material of described inner core rod can be fiber-resin composite.
In the utility model, it is preferable that the outer surface of described inner core rod is the coarse structure after coarse processing.It is excellent
Selection of land, described coarse processing method is selected from least one of Vehicle Processing, angle grinder polishing or blasting treatment.Preferably, institute
The surface roughness of the outer surface for the inner core rod stated is not less than 25 μm, is more preferably not less than 35 μm.Inner core rod has above-mentioned
During coarse structure, the attachment between inner core rod surface and the composite (such as glass fabric) of outer layer can be effectively increased
Power.
In the utility model, the axially disposed a plurality of groove in outer surface of described inner core rod, i.e., described groove is in inner core
Axially extended on the outer surface of rod.The concrete shape of groove is not limited, and can be regular shape, or irregular shape.
Described inner core rod includes being arranged on including the glue inlet end and gum outlet end at the two ends of the inner core rod, described groove
The glue inlet end of plug is set to groove or non-groove, and non-groove is set in gum outlet end.In other words, described groove
Extend to the glue inlet end or be not extend to glue inlet end, and be not extend to gum outlet end, the groove with it is interior
There is certain distance between the gum outlet end of plug.According to an embodiment of the present utility model, the groove extends to institute
State the end of glue inlet.Preferably, between one end and inner core rod gum outlet end of the close gum outlet end of described groove
Distance be 100~250mm, more preferably 150~220mm.According to an embodiment of the present utility model, described groove
Be not extend to the glue inlet end, and the close glue inlet end of described groove one end and inner core rod glue inlet end it
Between distance be 30~220mm, more preferably preferably 40~200mm, 50~150mm, be further preferably 60~100mm.
In the utility model, it is preferable that the cross section of the groove is selected from rectangle, arc (such as semicircle) or isosceles ladder
Shape.In the utility model, the width of described groove is 2~7mm, preferably 3~5mm；The depth of the groove is 1~6mm,
Preferably 2~4mm.
According to an embodiment of the present utility model, described groove is 2~12 straight flutes being parallel to each other, and
The even outer surface for being distributed in the inner core rod.Preferably, the quantity of described straight flute is 3~10, more preferably 4~8.
Preferably, the cross section of the straight flute is rectangle, and the width of the straight flute is 3~5mm, and depth is 2~4mm.
According to another embodiment of the present utility model, described groove is 2~8 spiral shape ditches being parallel to each other
Groove, and it is evenly distributed on the outer surface of the inner core rod.Preferably, the spiral angle of described spiral groove be 30 °~
60 °, more preferably 35 °~55 °；Pitch is 700~1200mm, more preferably preferably 800~1000mm, 850~950mm.
Preferably, the cross section of described spiral groove is isosceles trapezoid, and the width of the spiral groove is 3~5mm, and depth is
2~4mm.Preferably, the quantity of described spiral groove is 1~8, and more preferably 2~6, be further preferably 3~5.
In the utility model, described axial passage is arranged on the inside of described inner core rod, and axially extends, described
The shape and direction that axial passage specifically extends inside the inner core rod are not limited, can be axially in parallel with inner core rod, or
The axial direction of person and inner core rod can also be in irregular shape at an angle.Preferably, described axial passage is parallel to described
The axial direction of inner core rod.In the utility model, described axial passage is opened up from the glue inlet end of the inner core rod, and will not
Insertion is to the gum outlet end of the inner core rod, so that resin can pass through axial direction from the glue inlet end of the inner core rod
Passage is delivered in groove.Preferably, the cross section of described axial passage is circular or regular polygon, its a diameter of 8~
35mm, more preferably 12~20mm.
In the utility model, described radial passage connection axial passage and groove, so that resin can be from axial direction
Passage is smoothly imported in groove.Described radial passage can be disposed in such a manner, every groove and at least one radial passage
It is connected.It is connected for example, could be arranged to every groove with 1~5, preferably 1~3 radial passage.Specifically, it is described
Radial passage one or more layers can be set；When being set to multilayer, i.e., every groove passes through a plurality of radial passage and axial direction
Passage is connected, so as to be more beneficial for resin rapid osmotic into the composite layer being located at outside inner core rod.Preferably, it is described
The cross section of radial passage is circular or regular polygon, its a diameter of 2~7mm, preferably 3~5mm.
According to an embodiment of the present utility model, the axial passage is extended in described from the glue inlet end
The inside of plug, its length is 40~250mm；And the distance between the radial passage and glue inlet end are 40~250mm.
According to a kind of embodiment of the present utility model, described inner core rod outer surface is axially disposed to have 8 mutually to put down
Capable and equally distributed groove, the groove is straight flute, and cross section is rectangle, and width is 3~5mm, and depth is 2~4mm；Institute
It is 60~100mm to state the distance between one end of groove and glue inlet end, the other end and gum outlet end of the groove it
Between distance be 150~220mm；The inner core rod is axially inside provided with an axial passage, the company of being disposed radially
Lead to the radial passage of the axial passage and the groove；The cross section of the axial passage is circular, a diameter of 15~20mm,
The cross section of the radial passage is circle, and a diameter of 4~6mm, every groove is connected by a radial passage and axial passage
It is logical.
According to another embodiment of the present utility model, described inner core rod outer surface is axially disposed to have 4 mutually
Parallel and equally distributed groove, the groove is spiral groove, and pitch is 800~1000mm, and cross section is isosceles trapezoid,
Width is 3~5mm, and depth is 2~4mm；One end that the groove is located at glue inlet end is groove, the other end of the groove
It is 150~220mm with the distance between gum outlet end；The inner core rod is axially inside provided with an axial passage,
It is disposed radially the radial passage for connecting the axial passage and the groove；The cross section of the axial passage is circle,
A diameter of 15~20mm, the cross section of the radial passage is that round diameter is 4~6mm, and every groove passes through a radial direction
Passage is connected with axial passage.
The utility model also provides a kind of support insulator, and it includes above-mentioned support insulator plug preform.Will
After the support insulator plug preform impregnation, solidification, Surface Machining processing is carried out, full skirt is then installed additional, so as to obtain
Support insulator of the present utility model.
The inner core rod of support insulator plug preform of the present utility model is provided with groove, axial passage and radially led to
The structures such as road, the resin from inner core rod glue inlet end can be flowed into axial passage, then flows into groove by radial passage
In, the composite layer being located at outside inner core rod is then penetrated into, so as to improve the charging efficiency of product, is effectively reduced close
Internal composite layer soaks impermeable phenomenon, improves the yield rate of product.
Brief description of the drawings
Fig. 1 is the cross-sectional view of the support insulator plug preform of embodiment 1.
Fig. 2 is the overall structure diagram of the inner core rod of the support insulator plug preform of embodiment 1.
Fig. 3 is profile of the inner core rod of the support insulator plug preform of embodiment 1 along A-A ' directions.
Fig. 4 is the overall structure diagram of the inner core rod of the support insulator plug preform of embodiment 2.
Fig. 5 is profile of the inner core rod of the support insulator plug preform of embodiment 2 along B-B ' directions.
Fig. 6 is the overall structure diagram of the inner core rod of the support insulator plug preform of embodiment 3.
Fig. 7 is the overall structure diagram of the inner core rod of the support insulator plug preform of embodiment 6.
Description of reference numerals is as follows：
1st, inner core rod；2nd, composite layer；3rd, groove；4th, axial passage；5th, radial passage.
Embodiment
The utility model is further described with reference to specific embodiment, but protection domain of the present utility model is simultaneously
Not limited to this.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, the support insulator plug preform of the present embodiment includes inner core rod 1 and compound
Material layer 2.The outer surface of inner core rod 1 is axially disposed 8 grooves being parallel to each other 3, and groove 3 is that cross section is isosceles trapezoid
Straight flute, width is 4mm, and depth is 3mm；Groove 3 is evenly distributed on the outer surface of inner core rod 1.One end of groove 3 is with entering
The distance between Jiao Kou ends are 70mm, and the distance between its other end and gum outlet end are 180mm.The inside of inner core rod 1
It is axially disposed to have an axial passage 4, it has been disposed radially 8 radial passages 5, radial passage 5 is by axial passage 4 and groove
3 connections.Axial passage 4 extends to the inside of inner core rod 1 from glue inlet end, and its length is 100mm.Radial passage 5 is with entering glue
The distance between mouth end is 80mm.The cross section of axial passage 4 is circle, a diameter of 18mm.The cross section of radial passage 5 is
Circle, a diameter of 5mm.Every groove 3 is connected by a radial passage 5 with axial passage 4.The direction of arrow in Fig. 2 is represented
The flow direction of resin.
The support insulator plug preform of embodiment 1 is obtained by post-processing steps such as impregnation, solidification plus full skirts
Support insulator.
During support insulator plug preform perfusion resin, resin is from the inner core rod 1 of the preform
Glue inlet end is irrigated to gum outlet end, except common filling process, while resin also enters inner core by axial passage 4
The inside of rod 1, is then flowed into groove 3 by radial passage 5, realizes resin oozing from inner core rod 1 to composite layer 2 simultaneously
Thoroughly, so as to improve the charging efficiency of product, the impermeable phenomenon of leaching of the composite layer 2 close to inside is reduced, product is improved
Yield rate.
Embodiment 2
The support insulator plug preform of the present embodiment includes inner core rod 1 and composite layer 2.Such as Fig. 4 and Fig. 5 institutes
Show, the outer surface of inner core rod 1 is axially disposed there are 4 grooves being parallel to each other 3.Groove 3 is the spiral shape ditch that cross section is rectangle
Groove, its pitch is 900mm, and width is 5mm, and depth is 4mm；Groove 3 is evenly distributed on the outer surface of inner core rod 1.Groove 3
The distance between one end and glue inlet end are 70mm, and the distance between its other end and gum outlet end are 200mm.Inner core rod
1 is axially inside provided with an axial passage 4, has been disposed radially 4 radial passages 5.Radial passage 5 is by axial passage
4 connect with groove 3.Axial passage 4 extends to the inside of inner core rod 1 from glue inlet end, and its length is 90mm.Radial passage 5
It is 80mm with the distance between glue inlet end.The cross section of axial passage 4 is circle, a diameter of 20mm, the horizontal stroke of radial passage 5
Section is circle, a diameter of 5mm.Every groove 3 is connected by a radial passage 5 with axial passage 4.Arrow side in Fig. 4
To the flow direction for representing resin.
The support insulator plug preform of embodiment 2 is obtained by post-processing steps such as impregnation, solidification plus full skirts
Support insulator.
The process of the perfusion resin of the support insulator plug preform of embodiment 2 is same as Example 1, no longer goes to live in the household of one's in-laws on getting married
State.
Embodiment 3
As shown in fig. 6, except one end positioned at glue inlet end of groove 3 is set into groove (i.e. groove 3 and glue inlet
The distance between end is that zero), other are same as Example 1.
Embodiment 4
Except the quantity of groove 3 is set into 6, other are same as Example 1.
Embodiment 5
Except the cross section of groove 3 is set into rectangle, other are same as Example 1.
Embodiment 6
As shown in fig. 7, except groove 3 is set into groove (i.e. groove 3 and glue inlet end in one end of glue inlet end
The distance between be that zero), other are same as Example 2.
The utility model is not limited to above-mentioned embodiment, in the case of without departing substantially from substantive content of the present utility model,
It may occur to persons skilled in the art that any deformation, improvement, replace each fall within scope of the present utility model.
Claims (10)
1. a kind of support insulator plug preform, it is characterised in that described support insulator precast body includes inner core rod
With the composite layer for the outer surface for being wrapped in the inner core rod；The outer surface of the inner core rod is axially disposed many bar ditch
Groove；The inner core rod is axially inside provided with least one axial passage, has been disposed radially a plurality of radial passage；It is described
It is connected between groove and the axial passage by the radial passage.
2. support insulator plug preform according to claim 1, it is characterised in that the inner core rod includes setting
Glue inlet end and gum outlet end at the two ends of the inner core rod；The groove is not extend to the gum outlet end.
3. support insulator plug preform according to claim 2, it is characterised in that the axial passage is from described
Glue inlet end extends to the inside of the inner core rod, and its length is 40~250mm；And the radial passage and glue inlet end
The distance between portion is 40~250mm.
4. support insulator plug preform according to claim 3, it is characterised in that every groove passes through at least one
Bar radial passage is connected with the axial passage.
5. support insulator plug preform according to claim 2, it is characterised in that the groove close to described
The distance between one end of gum outlet end and the gum outlet end are 100~250mm.
6. support insulator plug preform according to claim 5, it is characterised in that the groove extends to described
Glue inlet end.
7. support insulator plug preform according to claim 1, it is characterised in that the cross section choosing of the groove
From rectangle, arc or isosceles trapezoid, the width of the groove is 2~7mm, and depth is 1~6mm.
8. support insulator plug preform according to claim 7, it is characterised in that the groove is 2~12
The straight flute being parallel to each other, the straight flute is evenly distributed on the outer surface of the inner core rod.
9. support insulator plug preform according to claim 7, it is characterised in that the groove is 2~8 phases
Mutual parallel spiral groove, its spiral angle is 30~60 °, and pitch is 700~1200mm；The spiral groove uniformly divides
Cloth is in the outer surface of the inner core rod.
10. a kind of support insulator, it is characterised in that it includes the support insulator plug described in any one of claim 1~9
Preform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091502.9U CN206388573U (en) | 2017-01-22 | 2017-01-22 | Support insulator plug preform and support insulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720091502.9U CN206388573U (en) | 2017-01-22 | 2017-01-22 | Support insulator plug preform and support insulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206388573U true CN206388573U (en) | 2017-08-08 |
Family
ID=59494443
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720091502.9U Active CN206388573U (en) | 2017-01-22 | 2017-01-22 | Support insulator plug preform and support insulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206388573U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710754A (en) * | 2017-01-22 | 2017-05-24 | 北京玻钢院复合材料有限公司 | Core rod perform of post insulator and post insulator |
-
2017
- 2017-01-22 CN CN201720091502.9U patent/CN206388573U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106710754A (en) * | 2017-01-22 | 2017-05-24 | 北京玻钢院复合材料有限公司 | Core rod perform of post insulator and post insulator |
| CN106710754B (en) * | 2017-01-22 | 2018-03-06 | 北京玻钢院复合材料有限公司 | Support insulator plug preform and support insulator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181211 Address after: 277500 South of Beixin West Road, Tengzhou City, Zaozhuang City, Shandong Province (Luban Avenue West, College West Road North) Patentee after: Beibao Power Composite Co., Ltd. Address before: 102101 No. 261 Kangxi Road, Badaling Economic Development Zone, Yanqing County, Beijing Patentee before: Beijing FRP Research & Design Institute Composite Co., Ltd. |