CN105047332A - Composite insulation pipe lining, and fabrication method and application thereof - Google Patents
Composite insulation pipe lining, and fabrication method and application thereof Download PDFInfo
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- CN105047332A CN105047332A CN201510530279.9A CN201510530279A CN105047332A CN 105047332 A CN105047332 A CN 105047332A CN 201510530279 A CN201510530279 A CN 201510530279A CN 105047332 A CN105047332 A CN 105047332A
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Abstract
The invention relates to a composite insulation pipe lining, and a fabrication method and application thereof. The composite insulation pipe lining is shaped as a cylinder and comprises a sheet-shaped body, wherein the body comprises a first end surface and a second end surface which are opposite to each other, the first end surface and the second end surface are abutted to form the cylindrical composite insulation pipe lining. When the composite insulation pipe lining is arranged on the inner wall of a composite insulation pipe of an arc distinguishing chamber, the ablation resistance of the composite insulation pipe of the arc distinguishing chamber can be improved, thus, the application of the composite insulation pipe is promoted. According to the fabrication method of the composite insulation pipe lining, the above cylindrical composite insulation pipe lining can be obtained. Moreover, the invention also provides the composite insulation pipe, a fabrication method thereof and a composite insulator containing the composite insulation pipe.
Description
Technical field
The present invention relates to electric power transmission apparatus field, particularly relate to a kind of compound insulation tube liner and its preparation method and application.
Background technology
LTB (column type circuit breaker) plays bringing onto load and cut-offs and extremely cut-off effect in open type power station, and along with TRANSIENT HIGH TEMPERATURE in interrupting process, electric arc can be sprayed onto on the inwall of insulated tube simultaneously.Arc control device as the core component of LTB, to the inwall of insulated tube high temperature resistant, resistance to electric arc and corrosion-resistant in require very high.At present, conventional LTB arc control device insulated tube has two kinds: one to be magnetic insulation pipe, and two is compound insulation tubes.Wherein, although the high temperature resistant ablation resistance of its inwall of magnetic insulation pipe is excellent, its weight is large, and processing cost is high and there is explosion hazard, is unfavorable for application.Compared with magnetic insulation pipe, compound insulation tube weight is little, in transport installation process, not easily occur that insulated tube damages dangerous, and has higher explosion-proof performance, but its inwall ablation resistance is poor, is also unfavorable for applying.
Summary of the invention
Based on this, be necessary the problem being unfavorable for application for traditional arc control device compound insulation tube, provide a kind of and be arranged on compound insulation tube liner compound inslation inside pipe wall being beneficial to its application.
A kind of compound insulation tube liner, compound insulation tube liner is tubular, and compound insulation tube liner comprises the body of sheet, and body comprises the first relative end face and the second end face, and the first end face and the docking of the second end face form the compound insulation tube liner of tubular.
Above-mentioned compound insulation tube liner is tubular, docked by the first end face of sheet noumenon and the second end face and formed, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
Wherein in an embodiment, the material of described compound insulation tube liner is polytetrafluoroethylene.
Wherein in an embodiment, described body also comprises relative first surface and second surface, and described first surface is adjacent with described second end face with described first end face respectively, described second surface is adjacent with described second end face with described first end face respectively, described first end face comprises the first inclined-plane, angle between described first inclined-plane and described first surface or described second surface is acute angle, described second end face comprises the second inclined-plane, angle between described second inclined-plane and described first surface or described second surface is acute angle, when described body is rolled into described compound insulation tube liner, described first surface and described second surface are respectively the inner surface of described compound insulation tube liner and the outer surface of described compound insulation tube liner.
Wherein in an embodiment, described first end face is fixedly connected with by adhesive with described second end face.
Wherein in an embodiment, described adhesive is selected from least one in epoxy resin adhesive, unsaturated polyester resin adhesive and polyimides adhesive.
Wherein in an embodiment, after described first end face and described second end face dock, the thickness of junction is identical with the thickness of described body.
In addition, a kind of preparation method of compound insulation tube liner is also provided, comprises the steps:
There is provided the body of sheet, described body comprises the first relative end face and the second end face;
Be fixedly connected with after described first end face is docked with described second end face, obtain the compound insulation tube liner of tubular.
The compound insulation tube liner adopting the preparation method of above-mentioned compound insulation tube liner to prepare is tubular, docked by the first end face of sheet noumenon and the second end face and formed, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
Wherein in an embodiment, described body also comprises relative first surface and second surface, and described first surface is adjacent with described second end face with described first end face respectively, described second surface is adjacent with described second end face with described first end face respectively, respectively described first end face and described second end face are processed, and the described first end face after process comprises the first inclined-plane, angle between described first inclined-plane and described first surface or described second surface is acute angle, described second end face after process comprises the second inclined-plane, angle between described second inclined-plane and described first surface or described second surface is acute angle.
Wherein in an embodiment, what be fixedly connected with described second end face by described first end face is operating as:
Adopt covering by described first end face or/and the marginal position of described second end face covers, afterwards at the first end face or/and described second end face applies adhesive, remove described covering, afterwards described first end face and described second end face are mutually docked and fix.
Wherein in an embodiment, remove described covering, afterwards described first end face and described second end face are docked and the operation fixed mutually, comprise the steps:
The core of one column is provided;
Described covering is removed;
Described body is covered on described core;
Described first end face and described second end face are docked.
Wherein in an embodiment, described core is heated to 90 DEG C ~ 110 DEG C, afterwards described body is covered the outer surface of the core after described heating.
Wherein in an embodiment, after described first end face and described second end face docking, adopt fixture to be fixed on described core by described body, after described adhesive solidification, remove described fixture.
A kind of compound insulation tube, comprises the insulated tube body of tubulose, is provided with above-mentioned compound insulation tube liner in described insulated tube body.
Because above-mentioned compound insulation tube liner is tubular, docked by the first end face of sheet noumenon and the second end face and formed, be arranged in arc control device compound inslation tube body, the ablation resistance of compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
A preparation method for compound insulation tube, after the preparation method of compound insulation tube liner described above completes, adds fiberglass at the outer surface of the compound insulation tube liner prepared and prepares compound insulation tube.
The preparation method of above-mentioned compound insulation tube comprises the step of the preparation method of above-mentioned compound insulation tube liner, the compound insulation tube liner prepared is tubular, docked by the first end face of sheet noumenon and the second end face and formed, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
A kind of composite insulator, comprises compound insulation tube and is coated on the full skirt outside compound insulation tube, be provided with compound insulation tube liner described above in described compound insulation tube.
Above-mentioned compound insulation tube liner is tubular, docked by the first end face of sheet noumenon and the second end face and formed, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application, further, the application of the composite insulator being provided with above-mentioned compound insulation tube liner is conducive to.
Accompanying drawing explanation
Fig. 1 is the flow chart of the preparation method of the compound insulation tube liner of an execution mode;
Fig. 2 be dismantle after the first end face and the second end face are docked and the flow chart of the operation fixed mutually;
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 cutaway view of the composite insulator of embodiment 8.
Embodiment
For enabling above-mentioned purpose of the present invention, feature and advantage become apparent more, are described in detail the specific embodiment of the present invention below in conjunction with accompanying drawing.Set forth a lot of detail in the following description so that fully understand the present invention.But the present invention can be much different from alternate manner described here to implement, those skilled in the art can when without prejudice to doing similar improvement when intension of the present invention, therefore the present invention is by the restriction of following public specific embodiment.
It should be noted that, when element is called as " being fixed on " another element, directly can there is element placed in the middle in it on another element or also.When an element is considered to " connection " another element, it can be directly connected to another element or may there is centering elements simultaneously.
Unless otherwise defined, all technology used herein and scientific terminology are identical with belonging to the implication that those skilled in the art of the present invention understand usually.The object of term used in the description of the invention herein just in order to describe specific embodiment, is not intended to be restriction the present invention.Term as used herein " and/or " comprise arbitrary and all combinations of one or more relevant Listed Items.
The compound insulation tube liner of one execution mode is tubular, and compound insulation tube liner comprises the body of sheet, and body comprises the first relative end face and the second end face, and the first end face and the docking of the second end face form the compound insulation tube liner of tubular.Be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
In one preferably embodiment, the material of compound insulation tube liner is polytetrafluoroethylene.Polytetrafluoroethylene (Teflon or PTFE), be commonly called as " King ", be by the macromolecular compound of tetrafluoroethene through being polymerized, there is excellent chemical stability, corrosion resistance, sealing, height lubricate not viscosity, electrical insulating property and good anti-aging endurance.Therefore, polytetrafluoroethylene is used as the ablation resistance that compound insulation tube liner can improve compound insulation tube.
Body also comprises relative first surface and second surface, and first surface is adjacent with the second end face with the first end face respectively, second surface is adjacent with the second end face with the first end face respectively, first end face comprises the first inclined-plane, angle between first inclined-plane and first surface or second surface is acute angle, second end face comprises the second inclined-plane, and the angle between the second inclined-plane and first surface or second surface is acute angle.Due to, the first inclined-plane and the second inclined-plane are inclined-plane, increase the contact area of the first end face and the second end face, thus increase the active area of the two, are conducive to the fastness of the follow-up docking of both increases.
When body is rolled into compound insulation tube liner, first surface and second surface are respectively the inner surface of compound insulation tube liner and the outer surface of compound insulation tube liner.
It should be noted that, the first end face can overlap with the first inclined-plane, can also comprise the remainder except the first inclined-plane, as long as first end face includes one section of inclined-plane.Same, the second end face can overlap with the second inclined-plane, can also comprise the remainder except the second inclined-plane, as long as the second end face includes one section of inclined-plane.And the angle of the face at remainder place and first surface or second surface can be arbitrary value, such as, can be acute angle or right angle.
Compound insulation tube liner is formed above by the first end face and the docking of the second end face, but not prior art forms compound insulation tube liner by the mode that two ends overlap, avoid and form obvious step at joint, effectively prevent when follow-up vacuum injection full skirt, gap is there is between step place and core, affecting by vacuum pressure causes insulated tube body to be under pressure destruction, produces defective products.
First end face is fixedly connected with by adhesive with the second end face.Adhesive is selected from least one in epoxy resin adhesive, unsaturated polyester resin adhesive and polyimides adhesive.The inner wall smooth of LTB arc control device compound insulation tube liner can be made without pit by the coated weight and coating width that control adhesive.
After first end face and the second end face dock, the thickness of junction is identical with the thickness of body.Therefore, junction can seamlessly transit, and making the overall pipe for seamlessly transitting of compound insulation tube liner, there will not be obvious step.Make compound insulation tube liner electric field near junction to produce distortion, can partial discharge be reduced, be conducive to application.
The preparation method of the compound insulation tube liner of one execution mode, as shown in Figure 1, comprises the steps:
S10, provide the body of sheet, body comprises the first relative end face and the second end face.
Body also comprises relative first surface and second surface, and first surface is adjacent with the second end face with the first end face respectively, second surface is adjacent with the second end face with the first end face respectively, respectively the first end face and the second end face are processed, and the first end face after process comprises the first inclined-plane, angle between first inclined-plane and first surface or second surface is acute angle, the second end face after process comprises the second inclined-plane, and the angle between the second inclined-plane and first surface or second surface is acute angle.
S20, by the first end face with second end face docking after be fixedly connected with, obtain the compound insulation tube liner of tubular.
What be fixedly connected with the second end face by the first end face is operating as: adopt covering by the first end face or/and the marginal position of the second end face covers, afterwards at the first end face or/and the second end face applies adhesive, dismantle, afterwards the first end face and the second end face are mutually docked and fix.
Adopt herein the object of covering be at the first end face or/and the marginal position of the second end face leaves some space place, overflow for preventing follow-up adhesive and affect the performance of compound insulation tube.Concrete, because adhesive has certain mobility, if do not adopt covering directly at the first end face or/and the second end face applies adhesive, when afterwards the first end face and the second end face being docked mutually, adhesive that the second end face flows is positioned at the first end face or/and can spread towards periphery under the squeezing action of the first end face and the second end face, then likely can spill into the upper and lower surface of compound insulation tube liner, cause the upper and lower surface of compound insulation tube liner unsmooth, thus impact use the serviceability of the compound insulation tube of this compound insulation tube liner.
Covering can be adhesive tape etc. with certain adhering object, without the need to covering being covered the first end face or/and the marginal position of the second end face by other external force, be conducive to subsequent operation.But the kind of covering is not as limit.
At the first end face or/and the second end face applies adhesive, namely only can apply adhesive on the first end face, also only can apply adhesive on the second end face, certainly, on the first end face and the second end face, all can also apply adhesive.Adhesive is selected from least one in epoxy resin adhesive, unsaturated polyester resin adhesive and polyimides adhesive.The inner wall smooth of LTB arc control device compound insulation tube liner can be made without pit by the coated weight and coating width that control adhesive.Dismantle, afterwards the first end face and the second end face are docked and the operation fixed mutually, as shown in Figure 2, comprise the steps:
S21, provide the core of a column.
Core plays the effect of supporting and shaping in the process making compound insulation tube liner, and core can be the columns such as iron staff, but is not limited thereto.
S22, covering to be removed.
S23, body to be covered on core.
It should be noted that, the order of step S22 and step S23 can be exchanged, and covers on core again, removed by covering after also can first being covered by body on core again after namely can first being removed by covering by body.
Core is heated to 90 DEG C ~ 110 DEG C, afterwards body is covered the outer surface of core after the heating.Be that the body covering its outer surface is softened by the object that core carries out heating, the first end face and the second end face that are beneficial to body dock better.The heating-up temperature of core can be selected according to the material of body, in the application, body is preferably polytetrafluoroethylene, therefore, core can be heated to the arbitrary temp (comprising two endpoint values) between 90 DEG C ~ 110 DEG C, polytetrafluoroethylene body can either be softened in this temperature range, and don't its serviceability can be affected.
S24, the first end face and the second end face to be docked.
During by the first end face and the docking of the second end face, adopt fixture to be fixed on core by body, after adhesive solidification, remove fixture.Fixture is selected from least one of glass fibre, band, nylon rope and surface of polyester felt.Fixture uniform winding, at the outer surface of the compound insulation tube liner of tubular, plays and supports fixing effect.The fixture of mentioned kind can not with softening after polytetrafluoroethylene sheet material react, and follow-up easy removal.
The compound insulation tube liner adopting the preparation method of above-mentioned compound insulation tube liner to prepare is tubular, docked by the first end face of sheet noumenon and the second end face and formed, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
The compound insulation tube of one execution mode, comprises the insulated tube body of tubulose, is provided with above-mentioned compound insulation tube liner in insulated tube body.Because above-mentioned compound insulation tube liner is tubular, docked by the first end face of sheet noumenon and the second end face and formed, be arranged in arc control device compound inslation tube body, the ablation resistance of compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
The preparation method of the compound insulation tube of one execution mode, after the preparation method of above-mentioned compound insulation tube liner completes, adds fiberglass at the outer surface of the compound insulation tube liner prepared and prepares compound insulation tube.The preparation method of above-mentioned compound insulation tube comprises the step of the preparation method of above-mentioned compound insulation tube liner, the compound insulation tube liner prepared is tubular, docked by the first end face of sheet noumenon and the second end face and formed, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
The composite insulator of one execution mode, comprises compound insulation tube and is coated on the full skirt outside compound insulation tube, be provided with above-mentioned compound insulation tube liner in compound insulation tube.Above-mentioned compound insulation tube liner is tubular, docked by the first end face of sheet noumenon and the second end face and formed, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application, further, the application of the composite insulator being provided with above-mentioned compound insulation tube liner is conducive to.
Below in conjunction with embodiment and accompanying drawing, the application is described in further detail:
Embodiment 1
Please refer to Fig. 3 and Fig. 4, the compound insulation tube liner 100 of embodiment 1 is in tubular, compound insulation tube liner 100 comprises the body 110 of sheet, body 110 comprises relatively and the first end face 112 and the second end face 114 be parallel to each other, and relatively and the first surface 116 be parallel to each other and second surface 118.Wherein, first surface 116 is upper surface, and second surface 118 is lower surface.The two ends of the body 110 of sheet are scrolled up, afterwards the first end face 112 and the second end face 114 is docked the compound insulation tube liner 100 forming tubular.Now, first surface 116 is the inner surface of compound insulation tube liner 100, and second surface 118 is the outer surface of compound insulation tube liner 100.
In the present embodiment, the first end face 112 and the second end face 114 are level and smooth inclined-plane separately.Concrete, the first end face 112 comprises the first inclined-plane 112 ', and the first end face 112 overlaps with the first inclined-plane 112 '.Second end face 114 comprises the second inclined-plane 114 ', and the second end face 114 overlaps with the second inclined-plane 114 '.First inclined-plane 112 ' is 30 ° with the angle of first surface 116 or second surface 118, same, and the second inclined-plane 114 ' is also 30 ° with the angle of first surface 116 or second surface 118.
Because the first end face 112 is identical with the area of the second end face 114, after the two is docked, first end face 112 and the second end face 114 cover mutually, inner surface and the outer surface of the compound insulation tube liner 100 obtained are smooth surface, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
Embodiment 2
Please refer to Fig. 5 and Fig. 6, the compound insulation tube liner of embodiment 2 200 is in tubular, and comprise the body 210 of sheet, body 210 comprises the first relative end face 212 and the second end face 214, and relatively and the first surface 216 be parallel to each other and second surface 218.Wherein, first surface 216 is upper surface, and second surface 218 is lower surface.The two ends of the body 210 of sheet are scrolled up, afterwards the first end face 212 and the second end face 214 is docked the compound insulation tube liner 200 forming tubular.Now, first 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 difference of the present embodiment and embodiment 1 is, the first end face 212 comprises the first inclined-plane 2121, first vertical plane 2122 and the second vertical plane 2123.Concrete, the first inclined-plane 2121 is 25 ° with the angle of first surface 216 or second surface 218, and the first vertical plane 2122 and the second vertical plane 2123 are all perpendicular to first surface 216 or second surface 218.Same, the second end face 214 comprises the second inclined-plane 2141, the 3rd vertical plane 2142 and the 4th vertical plane 2143.Concrete, the second inclined-plane 2141 is 25 ° with the angle of first surface 216 or second surface 218, and the 3rd vertical plane 2142 and the 4th vertical plane 2143 are all perpendicular to first surface 216 or second surface 218.In addition, the first vertical plane 2122 is identical with the area of the 3rd vertical plane 2142, 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, first end face 212 is covered mutually with the second end face 214 and docks, concrete, first inclined-plane 2121 docks with the second inclined-plane 2141, and the first vertical plane 2122 docks with the 3rd vertical plane 2142, the second vertical plane 2123 docks with the 4th vertical plane 2143.
Because the first inclined-plane 2121, first vertical plane 2122 and the second vertical plane 2123 dock one by one with the second inclined-plane 2141, the 3rd vertical plane 2142 and the 4th vertical plane 2143 respectively, inner surface and the outer surface of the compound insulation tube liner 200 obtained are smooth surface, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
Embodiment 3
Please refer to Fig. 7 and Fig. 8, the compound insulation tube liner of embodiment 3 300 is in tubular, and comprise the body 310 of sheet, body 310 comprises the first relative end face 312 and the second end face 314, and relatively and the first surface 316 be parallel to each other and second surface 318.Wherein, first surface 316 is upper surface, and second surface 318 is lower surface.The two ends of the body 310 of sheet are scrolled up, afterwards the first end face 312 and the second end face 314 is docked the compound insulation tube liner 300 forming tubular.Now, first 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 difference of the present embodiment and embodiment 1 is, the first end face 312 comprises the first inclined-plane 3121 and the 3rd inclined-plane 3122, second end face 314 comprises the second inclined-plane 3141 and the 4th inclined-plane 3142.Wherein, the first inclined-plane 3121 is identical with the area on the second inclined-plane 3141, and the 3rd inclined-plane 3122 is identical with the area on the 4th inclined-plane 3142.In addition, the first inclined-plane 3141, inclined-plane 3121, second, the 3rd inclined-plane 3122 and the 4th inclined-plane 3142 are acute angle with the angle of first surface 316 or second surface 318.
After the body 310 of sheet is rolled into compound insulation tube liner 300, mutually covered with the second end face 314 by the first end face 312 and dock, concrete, the first inclined-plane 3121 docks with the second inclined-plane 3141, and the 3rd inclined-plane 3122 docks with the 4th inclined-plane 3142.Inner surface and the outer surface of the compound insulation tube liner 300 obtained are smooth surface, are arranged on the inwall of arc control device compound insulation tube, can improve the ablation resistance of arc control device compound insulation tube, thus make compound insulation tube be conducive to application.
Embodiment 4
Please refer to Fig. 9 and Figure 10, the compound insulation tube liner of embodiment 4 400 is in tubular, and comprise the body 410 of sheet, body 410 comprises the first relative end face 412 and the second end face 414, and relatively and the first surface 416 be parallel to each other and second surface 418.Wherein, first surface 416 is upper surface, and second surface 418 is lower surface.The two ends of the body 410 of sheet are scrolled up, afterwards the first end face 412 and the second end face 414 is docked the compound insulation tube liner 400 forming tubular.Now, first 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 difference of the present embodiment and embodiment 1 is, the first end face 412 comprises the first inclined-plane 4121 and the 3rd inclined-plane 4122, and the two is symmetrical.Second end face 414 comprises 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, and the 3rd inclined-plane 4122 is identical with the area on the 4th inclined-plane 4142.In addition, the first inclined-plane 4141, inclined-plane 4121, second, the 3rd inclined-plane 4122 and the 4th inclined-plane 4142 are acute angle with the angle of first surface 416 or second surface 418.
After the body 410 of sheet is rolled into compound insulation tube liner 400, mutually covered with the second end face 414 by the first end face 412 and dock, concrete, the first inclined-plane 4121 docks with the second inclined-plane 4141, and the 3rd inclined-plane 4122 docks with the 4th inclined-plane 4142.Inner surface and the outer surface of the compound insulation tube liner 400 obtained are smooth surface, are arranged on the inwall of arc control device compound insulation tube, can improve the ablation resistance of arc control device compound insulation tube, thus make compound insulation tube be conducive to application.
Embodiment 5
The preparation method of the compound insulation tube liner of embodiment 4, comprises the steps:
Two of PTFE sheet material end faces are processed, obtains the sheet noumenon of embodiment 4.
By two marginal positions of tape-stripping on the first inclined-plane, on the first inclined-plane, apply epoxy resin adhesive afterwards, obtain the body after gluing.
There is provided the iron staff of a column as core, iron staff is heated to 100 DEG C, afterwards the body after gluing is covered iron staff outer surface, tear adhesive tape, the first inclined-plane of body is docked with the second inclined-plane.
In the outer felt of body around appropriate glass fibre, body is fixed on outside iron staff, after epoxy resin adhesive solidification, removes glass fibre, obtain the compound insulation tube liner of embodiment 4.
The compound insulation tube liner adopting the preparation method of the compound insulation tube liner of embodiment 5 to prepare is tubular, inner surface and outer surface are smooth surface, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
Embodiment 6
The compound insulation tube of the present embodiment comprises the insulated tube body of tubulose, is provided with the compound insulation tube liner of embodiment 4 in insulated tube body.Because the inner surface of the compound insulation tube liner of embodiment 4 and outer surface are smooth surface, are arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
Embodiment 7
The preparation method of the compound insulation tube of one embodiment, comprises the steps:
After the preparation method of the compound insulation tube liner of embodiment 5 completes, add fiberglass at the outer surface of the compound insulation tube liner prepared and prepare compound insulation tube.
Preparation method due to the compound insulation tube of the present embodiment comprises the preparation method of the compound insulation tube liner adopting embodiment 5, therefore, the compound insulation tube liner prepared is tubular, inner surface and outer surface are smooth surface, be arranged on the inwall of arc control device compound insulation tube, the ablation resistance of arc control device compound insulation tube can be improved, thus make compound insulation tube be conducive to application.
Embodiment 8
Please refer to Figure 11, the composite insulator 500 of the present embodiment comprises the compound insulation tube 510 of embodiment 6, is coated on the full skirt 520 outside compound insulation tube 510 and is arranged on the flange 530 of two ends.In addition, the compound insulation tube liner 400 of embodiment 4 is provided with in compound insulation tube 510.
Because the inner surface of the compound insulation tube liner 400 of embodiment 4 and outer surface are smooth surface, be arranged on the inwall of arc control device compound insulation tube 510, the ablation resistance of arc control device compound insulation tube 510 can be improved, thus make the composite insulator 500 of compound insulation tube 510 and the present embodiment be conducive to application.
Each technical characteristic of the above embodiment can combine arbitrarily, for making description succinct, the all possible combination of each technical characteristic in above-described embodiment is not all described, but, as long as the combination of these technical characteristics does not exist contradiction, be all considered to be the scope that this specification is recorded.
The above embodiment only have expressed several execution mode of the present invention, and it describes comparatively concrete and detailed, but can not therefore be construed as limiting the scope of the patent.It should be pointed out that for the person of ordinary skill of the art, without departing from the inventive concept of the premise, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection range of patent of the present invention should be as the criterion with claims.
Claims (15)
1. a compound insulation tube liner, described compound insulation tube liner is tubular, it is characterized in that, described compound insulation tube liner comprises the body of sheet, described body comprises the first relative end face and the second end face, and described first end face and described second end face docking form the described compound insulation tube liner of tubular.
2. compound insulation tube liner according to claim 1, is characterized in that, the material of described compound insulation tube liner is polytetrafluoroethylene.
3. compound insulation tube liner according to claim 1, it is characterized in that, described body also comprises relative first surface and second surface, and described first surface is adjacent with described second end face with described first end face respectively, described second surface is adjacent with described second end face with described first end face respectively, described first end face comprises the first inclined-plane, angle between described first inclined-plane and described first surface or described second surface is acute angle, described second end face comprises the second inclined-plane, angle between described second inclined-plane and described first surface or described second surface is acute angle, when described body is rolled into described compound insulation tube liner, described first surface and described second surface are respectively the inner surface of described compound insulation tube liner and the outer surface of described compound insulation tube liner.
4. compound insulation tube liner according to claim 1, is characterized in that, described first end face is fixedly connected with by adhesive with described second end face.
5. compound insulation tube liner according to claim 4, is characterized in that, described adhesive is selected from least one in epoxy resin adhesive, unsaturated polyester resin adhesive and polyimides adhesive.
6. compound insulation tube liner according to claim 1, is characterized in that, after described first end face and described second end face dock, the thickness of junction is identical with the thickness of described body.
7. a preparation method for compound insulation tube liner, is characterized in that, comprises the steps:
There is provided the body of sheet, described body comprises the first relative end face and the second end face;
Be fixedly connected with after described first end face is docked with described second end face, obtain the compound insulation tube liner of tubular.
8. the preparation method of compound insulation tube liner according to claim 7, it is characterized in that, described body also comprises relative first surface and second surface, and described first surface is adjacent with described second end face with described first end face respectively, described second surface is adjacent with described second end face with described first end face respectively, respectively described first end face and described second end face are processed, and the described first end face after process comprises the first inclined-plane, angle between described first inclined-plane and described first surface or described second surface is acute angle, described second end face after process comprises the second inclined-plane, angle between described second inclined-plane and described first surface or described second surface is acute angle.
9. the preparation method of compound insulation tube liner according to claim 7, is characterized in that, what be fixedly connected with described second end face by described first end face is operating as:
Adopt covering by described first end face or/and the marginal position of described second end face covers, afterwards at the first end face or/and described second end face applies adhesive, remove described covering, afterwards described first end face and described second end face are mutually docked and fix.
10. the preparation method of compound insulation tube liner according to claim 9, is characterized in that, removes described covering, described first end face and described second end face is mutually docked and the operation fixed afterwards, comprises the steps:
The core of one column is provided;
Described covering is removed;
Described body is covered on described core;
Described first end face and described second end face are docked.
The preparation method of 11. compound insulation tube liners according to claim 10, is characterized in that, described core is heated to 90 DEG C ~ 110 DEG C, afterwards described body is covered the outer surface of the core after described heating.
The preparation method of 12. compound insulation tube liners according to claim 10, it is characterized in that, after described first end face and described second end face docking, adopt fixture to be fixed on described core by described body, after described adhesive solidification, remove described fixture.
13. 1 kinds of compound insulation tubes, comprise the insulated tube body of tubulose, it is characterized in that, are provided with the compound insulation tube liner according to any one of claim 1 ~ 6 in described insulated tube body.
The preparation method of 14. 1 kinds of compound insulation tubes, is characterized in that, after the preparation method of the compound insulation tube liner such as according to any one of claim 7 ~ 12 completes, adds fiberglass prepare compound insulation tube at the outer surface of the compound insulation tube liner prepared.
15. 1 kinds of composite insulators, comprise compound insulation tube and are coated on the full skirt outside compound insulation tube, it is characterized in that, be provided with the compound insulation tube liner according to any one of claim 1 ~ 6 in described compound insulation tube.
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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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| 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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| CN105047332B (en) | 2018-02-16 |
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