CN105047332B - Compound insulation tube liner and its preparation method and application - Google Patents
Compound insulation tube liner and its preparation method and application Download PDFInfo
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- CN105047332B CN105047332B CN201510530279.9A CN201510530279A CN105047332B CN 105047332 B CN105047332 B CN 105047332B CN 201510530279 A CN201510530279 A CN 201510530279A CN 105047332 B CN105047332 B CN 105047332B
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Abstract
The present invention relates to a kind of compound insulation tube liner and its preparation method and application.Above-mentioned compound insulation tube liner is cylindrical in shape, and compound insulation tube liner includes the body of sheet, and body includes relative first end face and second end face, and first end face and second end face dock the compound insulation tube liner to form tubular.It is disposed on the inwall of arc-chutes compound insulation tube, it is possible to increase the ablation resistance of arc-chutes compound insulation tube, so that compound insulation tube is advantageous to apply.The preparation method of above-mentioned compound insulation tube liner can obtain the compound insulation tube liner of above-mentioned tubular.In addition, a kind of compound insulation tube and preparation method thereof is also provided, and the composite insulator including the compound insulation tube.
Description
Technical field
The present invention relates to electric power transmission apparatus field, more particularly to a kind of compound insulation tube liner and preparation method thereof and
Using.
Background technology
LTB (column type circuit breaker) plays bringing onto load in open type power station and cut-off and the abnormal effect of cut-offfing, in interrupting process
In along with TRANSIENT HIGH TEMPERATURE, while electric arc can be sprayed onto on the inwall of insulation tube.Core component of the arc-chutes as LTB, to insulation
The inwall of pipe requires very high at high temperature resistant, resistance to electric arc and corrosion-resistant aspect.At present, conventional LTB arc-chutes insulation tubes have two
Kind：When magnetic insulation pipe, second, compound insulation tube.Wherein, although its inwall high temperature resistant ablation resistance of magnetic insulation pipe is excellent,
Its weight is big, high processing costs and there is explosion danger, is unfavorable for applying.Compared with magnetic insulation pipe, compound insulation tube weight
It is small, to be less prone in installation process is transported insulation tube damage dangerous, and there is higher explosion-proof performance, however, its inwall is resistance to
Ablation property is poor, is also unfavorable for applying.
The content of the invention
Based on this, it is necessary to the problem of being unfavorable for application for traditional arc-chutes compound insulation tube, there is provided one kind is set
In favor of the compound insulation tube liner of its application on compound inslation inside pipe wall.
A kind of compound insulation tube liner, compound insulation tube liner are cylindrical in shape, and compound insulation tube liner includes the body of sheet,
Body includes relative first end face and second end face, and first end face and second end face are docked in the compound insulation tube to form tubular
Lining.
Above-mentioned compound insulation tube liner is cylindrical in shape, and is docked and is formed by the first end face and second end face of sheet noumenon, by it
It is arranged on the inwall of arc-chutes compound insulation tube, it is possible to increase the ablation resistance of arc-chutes compound insulation tube, so that
Compound insulation tube is advantageous to apply.
In one of the embodiments, the material of the compound insulation tube liner is polytetrafluoroethylene (PTFE).
In one of the embodiments, the body also includes relative first surface and second surface, and described first
Surface is adjacent with the first end face and the second end face respectively, the second surface respectively with the first end face and described
Second end face is adjacent, and the first end face includes the first inclined-plane, first inclined-plane and the first surface or second table
Angle between face is acute angle, and the second end face includes the second inclined-plane, second inclined-plane and the first surface or described
Angle between second surface is acute angle, when the body is rolled into the compound insulation tube liner, the first surface and described
Second surface is respectively inner surface and the outer surface of the compound insulation tube liner of the compound insulation tube liner.
In one of the embodiments, the first end face is fixedly connected with the second end face by adhesive.
In one of the embodiments, the adhesive is selected from epoxy resin adhesive, unsaturated polyester resin adhesive
At least one of with polyimides adhesive.
In one of the embodiments, after the first end face and the second end face are docked, the thickness of junction and institute
The thickness for stating body is identical.
In addition, also providing a kind of preparation method of compound insulation tube liner, comprise the following steps：
The body of sheet is provided, the body includes relative first end face and second end face；
The first end face is fixedly connected afterwards with second end face docking, obtained in the compound insulation tube of tubular
Lining.
The compound insulation tube liner being prepared using the preparation method of above-mentioned compound insulation tube liner is cylindrical in shape, by sheet
The first end face and second end face of body dock to be formed, and are disposed on the inwall of arc-chutes compound insulation tube, it is possible to increase
The ablation resistance of arc-chutes compound insulation tube, so that compound insulation tube is advantageous to apply.
In one of the embodiments, the body also includes relative first surface and second surface, and described first
Surface is adjacent with the first end face and the second end face respectively, the second surface respectively with the first end face and described
Second end face is adjacent, and the first end face and the second end face are handled respectively, and described the after processing
End face includes the first inclined-plane, and the angle between first inclined-plane and the first surface or the second surface is acute angle,
The second end face after processing includes the second inclined-plane, second inclined-plane and the first surface or second table
Angle between face is acute angle.
In one of the embodiments, it is with the operation that the second end face is fixedly connected by the first end face：
The marginal position of the first end face or/and the second end face is covered using covering, afterwards
Adhesive is coated in end face or/and the second end face, removes the covering, afterwards by the first end face and described
Biend is mutually butted and fixed.
In one of the embodiments, the covering is removed, afterwards by the first end face and the second end face phase
The operation mutually docked and fixed, comprises the following steps：
The core of one column is provided；
The covering is removed；
The body is covered on the core；
The first end face and the second end face are docked.
In one of the embodiments, the core is heated to 90 DEG C~110 DEG C, the body is covered in institute afterwards
State the outer surface of the core after heating.
In one of the embodiments, by after the first end face and second end face docking, using fixture by institute
State body to be fixed on the core, the fixture is removed after adhesive solidification.
A kind of compound insulation tube, includes the insulation tube body of tubulose, is provided with the insulation tube body above-mentioned compound
Insulation tube liner.
Because above-mentioned compound insulation tube liner is cylindrical in shape, is docked and formed by the first end face and second end face of sheet noumenon,
It is disposed in arc-chutes compound inslation tube body, it is possible to increase the ablation resistance of compound insulation tube, so that compound
Insulation tube is advantageous to apply.
A kind of preparation method of compound insulation tube, after the completion of the preparation method of compound insulation tube liner described above,
The outer surface addition fiberglass of the compound insulation tube liner prepared prepares compound insulation tube.
The preparation method of above-mentioned compound insulation tube includes the step of preparation method of above-mentioned compound insulation tube liner, prepares
Obtained compound insulation tube liner is cylindrical in shape, and is docked and is formed by the first end face and second end face of sheet noumenon, is disposed at
On the inwall of arc-chutes compound insulation tube, it is possible to increase the ablation resistance of arc-chutes compound insulation tube, so that compound exhausted
Edge pipe is advantageous to apply.
A kind of composite insulator, including compound insulation tube and the full skirt being coated on outside compound insulation tube, the compound inslation
Compound insulation tube liner described above is provided with pipe.
Above-mentioned compound insulation tube liner is cylindrical in shape, and is docked and is formed by the first end face and second end face of sheet noumenon, by it
It is arranged on the inwall of arc-chutes compound insulation tube, it is possible to increase the ablation resistance of arc-chutes compound insulation tube, so that
Compound insulation tube is advantageous to apply, further, be advantageous to be provided with above-mentioned compound insulation tube liner composite insulator should
With.
Brief description of the drawings
Fig. 1 is the flow chart of the preparation method of the compound insulation tube liner of an embodiment；
Fig. 2 is by the flow chart of first end face and second end face are mutually butted and are fixed operation after dismantling；
Fig. 3 is the schematic cross-section of the compound insulation tube liner of embodiment 1；
Fig. 4 is the schematic cross-section of the sheet noumenon of the compound insulation tube liner of embodiment 1；
Fig. 5 is the schematic cross-section of the compound insulation tube liner of embodiment 2；
Fig. 6 is the schematic cross-section of the sheet noumenon of the compound insulation tube liner of embodiment 2；
Fig. 7 is the schematic cross-section of the compound insulation tube liner of embodiment 3；
Fig. 8 is the schematic cross-section of the sheet noumenon of the compound insulation tube liner of embodiment 3；
Fig. 9 is the schematic cross-section of the compound insulation tube liner of embodiment 4；
Figure 10 is the schematic cross-section of the sheet noumenon of the compound insulation tube liner of embodiment 4；
Figure 11 is the sectional view of the composite insulator of embodiment 8.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, below in conjunction with the accompanying drawings to the present invention
Embodiment be described in detail.Many details are elaborated 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 of running counter to intension of the present invention, therefore the present invention is not limited by following public specific embodiment.
It should be noted that when element is referred to as " being fixed on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.
Unless otherwise defined, all of technologies and scientific terms used here by the article is with belonging to technical field of the invention
The implication that technical staff is generally understood that is identical.Term used in the description of the invention herein is intended merely to description tool
The purpose of the embodiment of body, it is not intended that in the limitation present invention.Term as used herein " and/or " include one or more phases
The arbitrary and all combination of the Listed Items of pass.
The compound insulation tube liner of one embodiment is cylindrical in shape, and compound insulation tube liner includes the body of sheet, body bag
Relative first end face and second end face are included, first end face and second end face dock the compound insulation tube liner to form tubular.Will
It is arranged on the inwall of arc-chutes compound insulation tube, it is possible to increase the ablation resistance of arc-chutes compound insulation tube, so that
Compound insulation tube is obtained to be advantageous to apply.
In one preferably embodiment, the material of compound insulation tube liner is polytetrafluoroethylene (PTFE).Polytetrafluoroethylene (PTFE)
(Teflon or PTFE), is commonly called as " King ", is by the aggregated high-molecular compound formed of tetrafluoroethene, has excellent change
Learn stability, corrosion resistance, sealing, high lubrication non-stick, electrical insulating property and good anti-aging endurance.Therefore, polytetrafluoro
Ethene is used as the ablation resistance that compound insulation tube liner can improve compound insulation tube.
Body also includes relative first surface and second surface, and first surface respectively with first end face and second end face
Adjacent, second surface is adjacent with first end face and second end face respectively, and first end face includes the first inclined-plane, the first inclined-plane and first
Angle between surface or second surface is acute angle, and second end face includes the second inclined-plane, the second inclined-plane and first surface or second
Angle between surface is acute angle.Because the first inclined-plane and the second inclined-plane are inclined-plane, increase first end face and second end face
Contact area, so as to increase the active area of the two, be advantageous to increase the two fastness for subsequently docking.
When body is rolled into compound insulation tube liner, first surface and second surface are respectively the interior table of compound insulation tube liner
Face and the outer surface of compound insulation tube liner.
It should be noted that first end face can overlap with the first inclined-plane, its in addition to the first inclined-plane can also be included
Remaining part point, as long as first end face includes one section of inclined-plane.Likewise, second end face can overlap with the second inclined-plane, may be used also
With including the remainder in addition to the second inclined-plane, as long as second end face includes one section of inclined-plane.And where remainder
Face and first surface or the angle of second surface can be arbitrary value, such as can be acute angle or right angle.
Dock to form compound insulation tube liner above by first end face and second end face, rather than prior art passes through both ends
The mode of overlap joint forms compound insulation tube liner, avoids and forms obvious step in joint, effectively prevents follow-up true
During sky injection full skirt, gap between core be present at step, influenceed to cause insulation tube body to be under pressure brokenly by vacuum pressure
It is bad, produce defective products.
First end face is fixedly connected with second end face by adhesive.Adhesive is selected from epoxy resin adhesive, unsaturation
At least one of polyester resin adhesive and polyimides adhesive.By the coated weight and coating width energy that control adhesive
Enough so that LTB arc-chutes with the inner wall smooth of compound insulation tube liner without pit.
After first end face and second end face docking, the thickness of junction is identical with the thickness of body.Therefore, junction can be put down
Slip over and cross so that the pipe that compound insulation tube liner generally seamlessly transits, be not in obvious step.So that compound inslation
Pipe liner electric field near junction will not produce distortion, can reduce shelf depreciation, be advantageous to apply.
The preparation method of the compound insulation tube liner of one embodiment, as shown in figure 1, comprising the following steps：
S10, the body for providing sheet, body include relative first end face and second end face.
Body also includes relative first surface and second surface, and first surface respectively with first end face and second end face
Adjacent, second surface is adjacent with first end face and second end face respectively, and first end face and second end face are handled respectively, and
First end face after processing includes the first inclined-plane, and the angle between the first inclined-plane and first surface or second surface is sharp
Angle, the second end face after processing include the second inclined-plane, the angle between the second inclined-plane and first surface or second surface
For acute angle.
S20, it is fixedly connected after first end face is docked with second end face, obtains the compound insulation tube liner of tubular.
It is by the operation that first end face is fixedly connected with second end face：Using covering by first end face or/and the second end
The marginal position in face is covered, and is coated adhesive in first end face or/and second end face afterwards, is dismantled, afterwards
First end face and second end face are mutually butted and fixed.
Using the purpose of covering left some space place in the marginal position of first end face or/and second end face herein, use
The performance of compound insulation tube is influenceed in preventing follow-up adhesive from overflowing.Specifically, because adhesive has certain mobility,
If not using covering directly to coat adhesive in first end face or/and second end face, afterwards by first end face and the second end
When face is mutually butted, the adhesive flowed in first end face or/and second end face can be in first end face and second end face
Spread under squeezing action to surrounding, it is likely that the upper and lower surface of compound insulation tube liner can be spilt into, cause compound insulation tube
The upper and lower surface of liner is unsmooth, so as to influence the performance of the compound insulation tube using the compound insulation tube liner.
Covering can be the object that adhesive tape etc. carries certain adhesiveness, can cover covering without other external force
The marginal position in first end face or/and second end face is covered, is advantageous to subsequent operation.But the species of covering is not limited.
Adhesive is coated in first end face or/and second end face, you can only to coat adhesive in first end face,
Adhesive only can be coated in second end face, it is, of course, also possible to all coat adhesive in first end face and second end face.
Adhesive is selected from least one of epoxy resin adhesive, unsaturated polyester resin adhesive and polyimides adhesive.It is logical
The coated weight and coating width for crossing control adhesive enable to the inner wall smooth of LTB arc-chutes compound insulation tube liners without recessed
Hole.Dismantle, the operation that first end face and second end face are mutually butted and fixed afterwards, as shown in Fig. 2 including as follows
Step：
S21, the core that a column is provided.
Core plays a part of supporting and shaping during compound insulation tube liner is made, and core can be the posts such as iron staff
Shape thing, but not limited to this.
S22, covering removed.
S23, body is covered on core.
It should be noted that step S22 and step S23 order can exchange, you can after first covering to be removed
Body is covered on core again, again removed covering after can also first body be covered on core.
Core is heated to 90 DEG C~110 DEG C, afterwards the outer surface of the core by body covering after the heating.Core is entered
The purpose of row heating is to make to be covered in the body softening of its outer surface, in favor of body first end face and second end face preferably
Docking.The heating-up temperature of core can be selected according to the material of body, and body is preferably polytetrafluoroethylene (PTFE) in the application, because
This, the arbitrary temp (including two endpoint values) that core can be heated between 90 DEG C~110 DEG C, in this temperature range
Polytetrafluoroethylene (PTFE) body can either be softened, without influenceing its performance.
S24, first end face and second end face docked.
When first end face and second end face are docked, body is fixed on core using fixture, treats that adhesive solidifies
After remove fixture.Fixture is selected from least one of glass fibre, band, nylon rope and surface of polyester felt.Fixture is equal
The outer surface of the even compound insulation tube liner for being wrapped in tubular, play the fixed effect of support.The fixture of mentioned kind will not
React with the polytetrafluoroethylene (PTFE) sheet material after softening, and subsequently easily remove.
The compound insulation tube liner being prepared using the preparation method of above-mentioned compound insulation tube liner is cylindrical in shape, by sheet
The first end face and second end face of body dock to be formed, and are disposed on the inwall of arc-chutes compound insulation tube, it is possible to increase
The ablation resistance of arc-chutes compound insulation tube, so that compound insulation tube is advantageous to apply.
The compound insulation tube of one embodiment, include the insulation tube body of tubulose, be provided with the tube body that insulate above-mentioned
Compound insulation tube liner.Because above-mentioned compound insulation tube liner is cylindrical in shape, by the first end face and second end face pair of sheet noumenon
Connect to be formed, be disposed in arc-chutes compound inslation tube body, it is possible to increase the ablation resistance of compound insulation tube, so that
Compound insulation tube is obtained to be advantageous to apply.
The preparation method of the compound insulation tube of one embodiment, when the preparation method of above-mentioned compound insulation tube liner is completed
Afterwards, in the outer surface of the compound insulation tube liner prepared, addition fiberglass prepares compound insulation tube.Above-mentioned compound insulation tube
Preparation method includes the step of preparation method of above-mentioned compound insulation tube liner, and the compound insulation tube liner being prepared is in cylinder
Shape, docked and formed by the first end face and second end face of sheet noumenon, is disposed on the inwall of arc-chutes compound insulation tube,
The ablation resistance of arc-chutes compound insulation tube can be improved, so that compound insulation tube is advantageous to apply.
The composite insulator of one embodiment, including compound insulation tube and the full skirt that is coated on outside compound insulation tube, it is compound
Above-mentioned compound insulation tube liner is provided with insulation tube.Above-mentioned compound insulation tube liner is cylindrical in shape, by the first of sheet noumenon
End face and second end face dock to be formed, and are disposed on the inwall of arc-chutes compound insulation tube, it is possible to increase arc-chutes are compound
The ablation resistance of insulation tube, so that compound insulation tube is advantageous to apply, further, be advantageous to be provided with above-mentioned compound
The application of the composite insulator of insulation tube liner.
The application is described in further detail with reference to embodiment and accompanying drawing：
Embodiment 1
Fig. 3 and Fig. 4 are refer to, the compound insulation tube liner 100 of embodiment 1 is cylindrical in shape, and compound insulation tube liner 100 includes
The body 110 of sheet, body 110 include first end face 112 and second end face 114 relative and be parallel to each other, and it is relative and
The first surface 116 and second surface 118 being parallel to each other.Wherein, first surface 116 is upper surface, and second surface 118 is following table
Face.The both ends of the body 110 of sheet are scrolled up, first end face 112 and the docking of second end face 114 are formed into tubular afterwards
Compound insulation tube liner 100.Now, first surface 116 is the inner surface of compound insulation tube liner 100, and second surface 118 is multiple
Close the outer surface of insulation tube liner 100.
In the present embodiment, first end face 112 and second end face 114 are each smooth inclined-plane.Specifically, first end face
112 include the first inclined-plane 112 ', and first end face 112 overlaps with the first inclined-plane 112 '.Second end face 114 includes the second inclined-plane
114 ', and second end face 114 overlaps with the second inclined-plane 114 '.First inclined-plane 112 ' and first surface 116 or second surface 118
Angle is 30 °, likewise, the angle on the second inclined-plane 114 ' and first surface 116 or second surface 118 is also 30 °.
Because first end face 112 is identical with the area of second end face 114, after the two is docked, first end face 112 and
Biend 114 mutually covers, and the inner surface of obtained compound insulation tube liner 100 and outer surface are smooth surface, are set
Put on the inwall of arc-chutes compound insulation tube, it is possible to increase the ablation resistance of arc-chutes compound insulation tube, so that multiple
Insulation tube is closed to be advantageous to apply.
Embodiment 2
Fig. 5 and Fig. 6 are refer to, the compound insulation tube liner 200 of embodiment 2 is cylindrical in shape, and includes the body 210 of sheet, this
Body 210 includes relative first end face 212 and second end face 214, and first surface 216 and second that is relative and being parallel to each other
Surface 218.Wherein, first surface 216 is upper surface, and second surface 218 is lower surface.By the both ends of the body 210 of sheet to
On roll, first end face 212 and second end face 214 are docked to the compound insulation tube liner 200 for forming tubular afterwards.Now,
One surface 216 is the inner surface of compound insulation tube liner 200, and second surface 218 is the outer surface of compound insulation tube liner 200.
The present embodiment and the difference of embodiment 1 are that first end face 212 includes the first inclined-plane 2121, the first vertical plane
2122 and second vertical plane 2123.Specifically, the angle on the first inclined-plane 2121 and first surface 216 or second surface 218 is equal
For 25 °, and the first vertical plane 2122 and the second vertical plane 2123 are each perpendicular to first surface 216 or second surface 218.Equally
, second end face 214 includes the second inclined-plane 2141, the 3rd vertical plane 2142 and the 4th vertical plane 2143.Specifically, second is oblique
Face 2141 and the angle of first surface 216 or second surface 218 are 25 °, and the 3rd vertical plane 2142 and the 4th vertical plane
2143 are each perpendicular to first surface 216 or second surface 218.In addition, the face of the first vertical plane 2122 and the 3rd vertical plane 2142
Product is identical, and the second vertical plane 2123 is identical with the area of the 4th vertical plane 2143.
After the body 210 of sheet is rolled into compound insulation tube liner 200, by first end face 212 and the phase of second end face 214
Mutually covering docking, specifically, the first inclined-plane 2121 docks with the second inclined-plane 2141, and the first vertical plane 2122 and the 3rd vertical plane
2142 docking, the second vertical plane 2123 dock with the 4th vertical plane 2143.
Due to the first inclined-plane 2121, the first vertical plane 2122 and the second vertical plane 2123 respectively with the second inclined-plane 2141,
3rd vertical plane 2142 and the 4th vertical plane 2143 dock one by one, the inner surface of obtained compound insulation tube liner 200 and outer
Surface is smooth surface, is disposed on the inwall of arc-chutes compound insulation tube, it is possible to increase arc-chutes compound insulation tube
Ablation resistance so that compound insulation tube is advantageous to apply.
Embodiment 3
Fig. 7 and Fig. 8 are refer to, the compound insulation tube liner 300 of embodiment 3 is cylindrical in shape, and includes the body 310 of sheet, this
Body 310 includes relative first end face 312 and second end face 314, and first surface 316 and second that is relative and being parallel to each other
Surface 318.Wherein, first surface 316 is upper surface, and second surface 318 is lower surface.By the both ends of the body 310 of sheet to
On roll, first end face 312 and second end face 314 are docked to the compound insulation tube liner 300 for forming tubular afterwards.Now,
One surface 316 is the inner surface of compound insulation tube liner 300, and second surface 318 is the outer surface of compound insulation tube liner 300.
The present embodiment and the difference of embodiment 1 are that first end face 312 includes the first inclined-plane 3121 and the 3rd inclined-plane
3122, second end face 314 includes the second inclined-plane 3141 and the 4th inclined-plane 3142.Wherein, the first inclined-plane 3121 and the second inclined-plane
3141 area is identical, and the 3rd inclined-plane 3122 is identical with the area on the 4th inclined-plane 3142.In addition, the first inclined-plane 3121, second is oblique
The angle in face 3141, the 3rd inclined-plane 3122 and the 4th inclined-plane 3142 and first surface 316 or second surface 318 is acute angle.
After the body 310 of sheet is rolled into compound insulation tube liner 300, by first end face 312 and the phase of second end face 314
Mutually covering docking, specifically, the first inclined-plane 3121 docks with the second inclined-plane 3141, and the 3rd inclined-plane 3122 and the 4th inclined-plane 3142
Docking.The inner surface of obtained compound insulation tube liner 300 and outer surface are smooth surface, and it is compound to be disposed at arc-chutes
On the inwall of insulation tube, it is possible to increase the ablation resistance of arc-chutes compound insulation tube, so that compound insulation tube is advantageous to
Using.
Embodiment 4
Fig. 9 and Figure 10 are refer to, the compound insulation tube liner 400 of embodiment 4 is cylindrical in shape, and includes the body 410 of sheet, this
Body 410 includes relative first end face 412 and second end face 414, and first surface 416 and second that is relative and being parallel to each other
Surface 418.Wherein, first surface 416 is upper surface, and second surface 418 is lower surface.By the both ends of the body 410 of sheet to
On roll, first end face 412 and second end face 414 are docked to the compound insulation tube liner 400 for forming tubular afterwards.Now,
One surface 416 is the inner surface of compound insulation tube liner 400, and second surface 418 is the outer surface of compound insulation tube liner 400.
The present embodiment and the difference of embodiment 1 are that first end face 412 includes the first inclined-plane 4121 and the 3rd inclined-plane
4122, and the two is symmetrical.Second end face 414 includes the second inclined-plane 4141 and the 4th inclined-plane 4142, and the two is symmetrical.
Wherein, the first inclined-plane 4121 is identical with the area on the second inclined-plane 4141, the area phase on the 3rd inclined-plane 4122 and the 4th inclined-plane 4142
Together.In addition, the first inclined-plane 4121, the second inclined-plane 4141, the 3rd inclined-plane 4122 and the 4th inclined-plane 4142 and first surface 416 or
The angle of second surface 418 is acute angle.
After the body 410 of sheet is rolled into compound insulation tube liner 400, by first end face 412 and the phase of second end face 414
Mutually covering docking, specifically, the first inclined-plane 4121 docks with the second inclined-plane 4141, and the 3rd inclined-plane 4122 and the 4th inclined-plane 4142
Docking.The inner surface of obtained compound insulation tube liner 400 and outer surface are smooth surface, and it is compound to be disposed at arc-chutes
On the inwall of insulation tube, it is possible to increase the ablation resistance of arc-chutes compound insulation tube, so that compound insulation tube is advantageous to
Using.
Embodiment 5
The preparation method of the compound insulation tube liner of embodiment 4, comprises the following steps：
Two end faces of PTFE sheet materials are handled, obtain the sheet noumenon of embodiment 4.
By two marginal positions of the tape-stripping on the first inclined-plane, epoxy resin gluing is coated on the first inclined-plane afterwards
Agent, obtain the body after gluing.
The iron staff of a column is provided as core, iron staff is heated to 100 DEG C, the body after gluing is covered in iron afterwards
Rod outer surface, tears adhesive tape, and the first inclined-plane of body is docked with the second inclined-plane.
Appropriate glass fibre is wound in the outside of body, body is fixed on the outside of iron staff, treats epoxy resin adhesive
Glass fibre is removed after solidification, obtains the compound insulation tube liner of embodiment 4.
The compound insulation tube liner being prepared using the preparation method of the compound insulation tube liner of embodiment 5 is cylindrical in shape,
Inner surface and outer surface are smooth surface, are disposed on the inwall of arc-chutes compound insulation tube, it is possible to increase arc-chutes
The ablation resistance of compound insulation tube, so that compound insulation tube is advantageous to apply.
Embodiment 6
The compound insulation tube of the present embodiment includes the insulation tube body of tubulose, and embodiment 4 is provided with the tube body that insulate
Compound insulation tube liner.Because the inner surface of the compound insulation tube liner of embodiment 4 and outer surface are smooth surface, set
Put on the inwall of arc-chutes compound insulation tube, it is possible to increase the ablation resistance of arc-chutes compound insulation tube, so that multiple
Insulation tube is closed to be advantageous to apply.
Embodiment 7
The preparation method of the compound insulation tube of one embodiment, comprises the following steps：
After the completion of the preparation method of the compound insulation tube liner of embodiment 5, in the compound insulation tube liner prepared
Outer surface addition fiberglass prepares compound insulation tube.
Because the preparation method of the compound insulation tube of the present embodiment includes the system of the compound insulation tube liner using embodiment 5
Preparation Method, therefore, the compound insulation tube liner being prepared are cylindrical in shape, and inner surface and outer surface are smooth surface, are set
Put on the inwall of arc-chutes compound insulation tube, it is possible to increase the ablation resistance of arc-chutes compound insulation tube, so that multiple
Insulation tube is closed to be advantageous to apply.
Embodiment 8
Figure 11 is refer to, the composite insulator 500 of the present embodiment includes the compound insulation tube 510 of embodiment 6, is coated on again
Close the full skirt 520 outside insulation tube 510 and be arranged on the flange 530 of two ends.In addition, it is provided with compound insulation tube 510
The compound insulation tube liner 400 of embodiment 4.
Because the inner surface of the compound insulation tube liner 400 of embodiment 4 and outer surface are smooth surface, it is disposed at
On the inwall of arc-chutes compound insulation tube 510, it is possible to increase the ablation resistance of arc-chutes compound insulation tube 510, so that
The composite insulator 500 of compound insulation tube 510 and the present embodiment is advantageous to apply.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, and its description is more specific and detailed, but simultaneously
Can not therefore it be construed as limiting the scope of the patent.It should be pointed out that come for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (13)
1. a kind of compound insulation tube liner, the compound insulation tube liner is cylindrical in shape, it is characterised in that in the compound insulation tube
Lining bag includes the body of individual layer sheet, and the body includes relative first end face and second end face, the first end face and described
Second end face docks the compound insulation tube liner to form tubular；
The body also includes relative first surface and second surface, and the first surface respectively with the first end face and
The second end face is adjacent, and the second surface is adjacent with the first end face and the second end face respectively, the first end
Face includes the first inclined-plane, and the angle between first inclined-plane and the first surface or the second surface is acute angle, described
Second end face includes the second inclined-plane, and the angle between second inclined-plane and the first surface or the second surface is sharp
Angle, when the body is rolled into the compound insulation tube liner, the first surface and the second surface are respectively described compound
The outer surface of the inner surface of insulation tube liner and the compound insulation tube liner.
2. compound insulation tube liner according to claim 1, it is characterised in that the material of the compound insulation tube liner is
Polytetrafluoroethylene (PTFE).
3. compound insulation tube liner according to claim 1, it is characterised in that the first end face and the second end face
It is fixedly connected by adhesive.
4. compound insulation tube liner according to claim 3, it is characterised in that the adhesive is selected from epoxy resin gluing
At least one of agent, unsaturated polyester resin adhesive and polyimides adhesive.
5. compound insulation tube liner according to claim 1, it is characterised in that the first end face and the second end face
After docking, the thickness of junction is identical with the thickness of the body.
6. a kind of preparation method of compound insulation tube liner, it is characterised in that comprise the following steps：
The body of individual layer sheet is provided, the body includes relative first end face and second end face；
The first end face is fixedly connected afterwards with second end face docking, obtains the compound insulation tube liner of tubular；
The body also includes relative first surface and second surface, and the first surface respectively with the first end face and
The second end face is adjacent, and the second surface is adjacent with the first end face and the second end face respectively, respectively to described
First end face and the second end face are handled, and the first end face after processing includes the first inclined-plane, described
Angle between first inclined-plane and the first surface or the second surface is acute angle, second end after processing
Face includes the second inclined-plane, and the angle between second inclined-plane and the first surface or the second surface is acute angle.
7. the preparation method of compound insulation tube liner according to claim 6, it is characterised in that by the first end face and
The operation that the second end face is fixedly connected is：
The marginal position of the first end face or/and the second end face is covered using covering, afterwards in first end
Adhesive is coated in face or/and the second end face, removes the covering, afterwards by the first end face and second end
Face is mutually butted and fixed.
8. the preparation method of compound insulation tube liner according to claim 7, it is characterised in that the covering is removed,
The operation that the first end face and the second end face are mutually butted and fixed afterwards, comprises the following steps：
The core of one column is provided；
The covering is removed；
The body is covered on the core；
The first end face and the second end face are docked.
9. the preparation method of compound insulation tube liner according to claim 8, it is characterised in that be heated to the core
90 DEG C~110 DEG C, the body is covered in the outer surface of the core after the heating afterwards.
10. the preparation method of compound insulation tube liner according to claim 8, it is characterised in that by the first end face
After being docked with the second end face, the body is fixed on the core using fixture, after adhesive solidification
Remove the fixture.
11. a kind of compound insulation tube, include the insulation tube body of tubulose, it is characterised in that be provided with the insulation tube body
Such as compound insulation tube liner according to any one of claims 1 to 5.
12. a kind of preparation method of compound insulation tube, it is characterised in that when answering as any one of claim 6~10
After the completion of the preparation method for closing insulation tube liner, in the outer surface of the compound insulation tube liner prepared, addition fiberglass is prepared multiple
Close insulation tube.
13. a kind of composite insulator, including compound insulation tube and the full skirt that is coated on outside compound insulation tube, it is characterised in that institute
State in compound insulation tube and set just like compound insulation tube liner according to any one of claims 1 to 5.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510530279.9A CN105047332B (en) | 2015-08-26 | 2015-08-26 | Compound insulation tube liner and its preparation method and application |
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| CN201510530279.9A CN105047332B (en) | 2015-08-26 | 2015-08-26 | Compound insulation tube liner and its preparation method and application |
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| CN105047332B true CN105047332B (en) | 2018-02-16 |
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| CN107086093B (en) * | 2016-02-15 | 2019-10-29 | 泰科电子(上海)有限公司 | Insulator and its manufacturing method |
| CN106057384B (en) * | 2016-08-04 | 2017-12-29 | 江苏神马电力股份有限公司 | Compound insulation tube and its preparation method and application |
| CN108461232A (en) * | 2018-02-08 | 2018-08-28 | 江苏神马电力股份有限公司 | Insulation tube and preparation method thereof and insulator with this insulation tube |
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| FR2477962A1 (en) * | 1980-03-11 | 1981-09-18 | Sireix Georges | METHOD OF FORMING PROFILES ESPECIALLY OF TUBULAR PROFILES |
| CN2051385U (en) * | 1989-08-17 | 1990-01-17 | 孙志伟 | Insulating sleeve |
| CN101221842B (en) * | 2007-12-04 | 2010-12-15 | 李伯明 | High-strength novel hollow insulation composite pipe |
| CN101280865B (en) * | 2008-05-23 | 2012-01-11 | 上海三樱包装材料有限公司 | Multi-layer composite seamless overall plastic pipe and process thereof |
| CN101521063A (en) * | 2009-04-28 | 2009-09-02 | 南通市神马电力科技有限公司 | Hollow insulator for column type circuit breaker |
| CN103294241B (en) * | 2012-03-05 | 2016-04-06 | 冠伟科技股份有限公司 | The method of baseplate-laminating |
| CN102849317A (en) * | 2012-09-07 | 2013-01-02 | 深圳市通产丽星股份有限公司 | Multi-layer seamless hose and manufacturing method thereof |
| CN103713369A (en) * | 2012-09-28 | 2014-04-09 | 洪枫昇 | Overflow adhesive residue prevention process method applied to optical assembly attaching |
| CN205177517U (en) * | 2015-08-26 | 2016-04-20 | 江苏神马电力股份有限公司 | Intraductal lining of compound inslation and use thereof |
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