CN106189255A - Electrically insulating silicone rubber and jumper clamp insulation protective hood prepared therefrom - Google Patents
Electrically insulating silicone rubber and jumper clamp insulation protective hood prepared therefrom Download PDFInfo
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- CN106189255A CN106189255A CN201610587272.5A CN201610587272A CN106189255A CN 106189255 A CN106189255 A CN 106189255A CN 201610587272 A CN201610587272 A CN 201610587272A CN 106189255 A CN106189255 A CN 106189255A
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- jumper clamp
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/04—Polysiloxanes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/014—Additives containing two or more different additives of the same subgroup in C08K
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Insulating Bodies (AREA)
Abstract
The invention discloses a kind of jumper clamp insulation protective hood, its drip irrigation device is, including the insulation cover body with opening, insulating boot body forms the pipeline that current supply cable wears, the middle part of described pipeline is provided with the connection cover body installed for jumper clamp connector, this connection cover body forms the cavity with pipeline communication, and cavity inner wall is arranged with connector gap.Being arranged such, the connector of jumper clamp can be placed on the internal connector of connection cover body and be placed in cavity, and cavity can be avoided protective cover to form negative pressure and be affixed on the surface of jumper clamp, both non-contraventions, during life-time service, being notheated and mutually depend on integral, convenient maintenance is changed.
Description
Technical field
The present invention relates to the insulation masking technique field for aerial cable, particularly to a kind of electrically insulating silicone rubber and by it
The jumper clamp insulation protective hood of preparation.
Background technology
Pipe busbar tie jumper wire clamp, the wire wire jumper connector between two pipe buses in a kind of power transformating and supplying facility.
At present, the Chinese patent of Publication No. 201310365215.9 disclose a kind of insulated shielding cover by insulating sheath,
Insulating boot buckle two parts form.Insulating sheath uses oblique T-Type structure, upper end closed, and lower end is opened, and wire is left in centre
The T-shaped pipeline passed through.The used hard silicone rubber high resilience of this mask finished product, breaks insulating boot lower end into two with one's hands and dehisces during use,
Cover strain clamp, then insulating boot buckle is pressed in corresponding buttonhole, makes whole wire clamp be covered by insulating boot completely.
The when of this insulating sheath adaptation jumper clamp, although jumper clamp can be lived with integral coating, but wire jumper line
The parts such as press from both sides connecting portion has the connector connecting cable, such as bolt, when cladding, the volume at connecting portion is relatively
Greatly, insulating sheath pipeline configuration diameter of the prior art is identical, the when of cladding connector, makes connector completely and insulation sleeve
Tensioning is conflicted, and the time one is long, is easily caused the insulation sleeve flexibility decrease at this, changing when, owing to insulation sleeve glues for a long time
Being attached on connector, the stickiness being internally formed negative pressure and insulation sleeve self causes insulation sleeve to be attached on connector, it has not been convenient to tear open
Unload replacing.
Summary of the invention
The purpose of the present invention one is to provide a kind of electrically insulating silicone rubber, and it has advantage heat-resist, without stickiness.
The above-mentioned technical purpose of the present invention has the technical scheme that
A kind of electrically insulating silicone rubber formula, the ratio of weight and number including component A and B component and described component A and B component is 1: 1；
Wherein component A includes following composition:
Wherein B component includes following composition:
It is arranged such, owing to methyl phenyl vinyl silicone oil having phenyl, due to the existence of side phenyl in phenyl siloxane rubber, makes
Silicone jelly molecular backbone more difficult cyclization degraded, and its produce grip effect altogether and space steric effect prevents because of silicone rubber
The oxidation of side base and the crosslinking of backbone molecule that causes or degraded, therefore the heat decomposition temperature of phenyl siloxane rubber is higher, is heated not
Soluble adhere on miscellaneous part.
The purpose of the present invention two is to provide a kind of electrically insulating silicone rubber preparation method, and it is excellent that it has, and preparation is simple, effect is high
Point.
The above-mentioned technical purpose of the present invention has the technical scheme that
The preparation method of above-mentioned electrically insulating silicone rubber formula, comprises the following steps:
The preparation of S1:A component:
Take vinyl silicone oil and the catalyst of formula ratio, stirring mixing 2min under 40r/min；Add in the most in three batches afterwards
The dispersion of the aluminium oxide of formula ratio, tin ash, ferrum oxide, zinc oxide, nano-sized iron oxide, nano ceric oxide and ceria
Uniform mixture, every batch of interval 5min addition, holding 240r/min stirring mixing in adding procedure, rear continuation to be added
240r/min stirring mixing 15min, to obtain final product；
S2: weigh a certain amount of vinyl silicone oil, containing hydrogen silicone oil, inhibitor, aluminium oxide and tin ash, ferrum oxide, zinc oxide,
Nano-sized iron oxide, nano ceric oxide and ceria.Vinyl silicone oil, containing hydrogen silicone oil, inhibitor are initially charged high speed dispersion
With rotating speed 40r/min stirring mixing 2min in the barrel of machine.Adding filler the most in three batches, every crowd of interval 5min, filler adds completely
Enter rear high speed 240r/min mixing 15min, i.e. prepare heat-resistant silicon rubber B component；
The preparation of S3: insulation protective hood:
Take component A that step S1 prepares and the B component that step S2 prepares, be that 1: 1 stirring is mixed by the weight ratio of component A and B component
Close, be transferred to after mix homogeneously in mould, to obtain final product.
Being arranged such, the method is practical simple, and cost is suitable, is beneficial to promote the use of.
The purpose of the present invention three is to provide a kind of jumper clamp insulation protective hood, its have good waterproof performance, hydrophobicity strong and
The advantage that insulation effect is good.
The above-mentioned technical purpose of the present invention has the technical scheme that
Use a kind of jumper clamp insulation protective hood that above-mentioned formula and method thereof prepare, including the insulating boot with opening
Body, insulating boot body forms the pipeline that current supply cable wears, and the middle part of described pipeline is provided with the connection installed for jumper clamp connector
Cover body, this connection cover body forms the cavity with pipeline communication, and cavity inner wall is arranged with connector gap.
Being arranged such, the connector of jumper clamp can be placed on the internal connector of connection cover body and be placed in cavity, empty
Chamber can be avoided protective cover to form negative pressure and be affixed on the surface of jumper clamp, both non-contraventions, during life-time service, is notheated
Mutually depending on integral, convenient maintenance is changed.
Arrange further: described connection cover body is square setting.
Arrange further: described connection cover body is that ellipsoid shape is arranged.
Being arranged such, square and axiolitic setting has multiple seamed edge, can preferably support formation cavity.
Arrange further: described pipeline is positioned at both sides and the eccentric setting connecting cover body.
Being arranged such, eccentric setting ensures to cooperate with eccentric jumper clamp on the market.
Arrange further: described pipeline is positioned at and connects the both sides of cover body and be coaxially disposed.
Being arranged such, eccentric setting ensures to cooperate with coaxial jumper clamp on the market.
Arrange further: being provided with tightening sleeve outside the two axial ends of described pipeline, tightening sleeve is coaxial with pipeline and is mutually communicated.
Being arranged such, cable after clamping, is tightened set and tightens up, and fixed effect is more preferable.
Arrange further: the inwall of tightening sleeve is tapered setting, and big footpath is identical with pipe diameter.
Being arranged such, tapered tightening sleeve is the most simple and practical, and in the case of fulfiling assignment, cost is minimum.
Arrange further: described insulation sleeve is positioned at two edges of opening to be provided with competing connection sheet, mutually run through even
The securing member of contact pin.
It is arranged such, connects sheet and connect outside, it is simple to the installation of securing member.
Arrange further: described securing member includes the head of a nail, nail pin and is located at the tapered ailhead of nail needle section, the diameter of ailhead
Diameter more than nail pin.
Being arranged such, the diameter of ailhead, more than the diameter of nail pin, avoids abjection sheathed when.
In sum, the method have the advantages that this jumper clamp insulation protective hood has excellent electrical resistance
Can, mechanical performance, thermostability, chemical resistance, dimensional stability, insulating properties, resistance to leakage property, arc resistance, anti-flammability, resistance to
Mill property, chemically-resistant, expanded coefficient are little, and shrinkage factor is extremely low, and be suitable for outdoor wire clamp covers protection.
Accompanying drawing explanation
Fig. 1 is the perspective view of jumper clamp insulation protective hood；
Fig. 2 is the top view of jumper clamp insulation protective hood；
Fig. 3 is the A-A sectional view of Fig. 2；
Fig. 4 is the side view of jumper clamp insulation protective hood；
Fig. 5 is the B-B sectional view of Fig. 4；
Fig. 6 is fastener constructions schematic diagram；
Fig. 7 is embodiment 5 structural representation.
In figure, 1, insulation cover body；2, pipeline；3, cover body is connected；31, cavity；4, tightening sleeve；5, sheet is connected；6, securing member；
61, the head of a nail；62, nail pin；63, tapered ailhead；7, opening.
Detailed description of the invention
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Embodiment 1～3: a kind of electrically insulating silicone rubber, each component and content thereof see table 1.
Table 1:
According to industry universal test standard and traditional test methods, electrically insulating silicone rubber finished product made to embodiment 1 and commercially available
The main performance index of similar silicone rubber detects and compares, and test result sees table 2.
Table 2:
| Test event | Embodiment 1 | Embodiment 2 | Embodiment 3 | Usual silicone rubber |
| Hardness, continue your A | 48 | 62 | 80 | 36 |
| Hot strength, Mpa | 0.87 | 1.16 | 1.24 | 0.8 |
| Elongation at break, % | 19.2 | 17.6 | 14.2 | 8.3 |
| Setafter break, % | 2 | 2 | 2 | 2 |
| Compression set, % | 0.31 | 0.33 | 0.35 | 0.32 |
| 20 DEG C of temperature distortions, % | 4.5 | 3.2 | 2.3 | 3 |
| 30 DEG C of temperature distortions, % | 7.6 | 6.3 | 6 | 5 |
| 40 DEG C of temperature distortions, % | 16.9 | 12.5 | 9.8 | 9 |
| 20 DEG C of superficial dissolution, % | 0 | 0 | 0 | 0 |
| 30 DEG C of superficial dissolution, % | 0.02 | 0.02 | 0.02 | 1 |
| 40 DEG C of superficial dissolution, % | 0.1 | 0.1 | 0.1 | 2 |
Table 2 is tested data and is shown, compared with similar products, the present invention has good thermostability, chemical resistance, and size is steady
Qualitative, insulating properties, chemically-resistant, expanded coefficient are little, and shrinkage factor is extremely low, and be suitable for outdoor wire clamp covers protection.
Above-mentioned electrically insulating silicone rubber preparation method, uses above-mentioned formula, comprises the following steps:
The preparation of S1:A component:
Take vinyl silicone oil and the catalyst of formula ratio, stirring mixing 2min under 40r/min；Add in the most in three batches afterwards
The dispersion of the aluminium oxide of formula ratio, tin ash, ferrum oxide, zinc oxide, nano-sized iron oxide, nano ceric oxide and ceria
Uniform mixture, every batch of interval 5min addition, holding 240r/min stirring mixing in adding procedure, rear continuation to be added
240r/min stirring mixing 15min, to obtain final product；
S2: weigh a certain amount of vinyl silicone oil, containing hydrogen silicone oil, inhibitor, aluminium oxide and tin ash, ferrum oxide, zinc oxide,
Nano-sized iron oxide, nano ceric oxide and ceria.Vinyl silicone oil, containing hydrogen silicone oil, inhibitor are initially charged high speed dispersion
With rotating speed 40r/min stirring mixing 2min in the barrel of machine.Adding filler the most in three batches, every crowd of interval 5min, filler adds completely
Enter rear high speed 240r/min mixing 15min, i.e. prepare heat-resistant silicon rubber B component.
Embodiment 4: a kind of jumper clamp insulation protective hood, as it is shown in figure 1, include the insulation cover body 1 with opening 7, absolutely
Edge cover body 1 uses silastic material to make, and insulation cover body 1 forms the pipeline 2 that current supply cable wears, and pipeline 2 is positioned at insulation cover body 1
Both sides, and the axis of pipeline 2 is equidirectional, the middle part of pipeline 2 is provided with the connection cover body 3 installed for jumper clamp connector.
As shown in Figures 2 and 3, this connection cover body 3 and pipeline 2 integrated injection molding, form the cavity 31 connected with pipeline 2
Connecting the cavity 31 internal diameter more than pipeline 2 of cover body 3, the connector of jumper clamp, namely bolt assembly can axially imbed
Connecting cover body 3 internal, the two axial ends of bolt can be conflicted to connecting on cover body 3 cavity 31 inwall, in other departments and cavity 31
Wall interval is arranged, and has the space that bolt is enough movable in connecting cover body 3, on the one hand, the existence connecting cover body 3 makes bolt install
Time be conveniently embedded, will not surface scratch, protective cover can be avoided simultaneously to form negative pressure and to be affixed on the surface of jumper clamp, both do not support
Touching, during life-time service, be notheated and mutually depend on integral, convenient maintenance is changed；On the other hand due to insulation protective hood
Silicone rubber characteristic itself, strengthens the mechanical performance connecting cover body 3 itself, has a preferable thermostability, chemical resistance,
Shrinkage factor is extremely low, and dimensionally stable is difficult to deformation and mutually depends on connector.
In the present embodiment, connecting cover body 3 and be square settings, pipeline 2 is positioned at both sides and the eccentric setting of connection cover body 3,
After connection cover body 3 is square, enhance the bending resistance of two side ducts 2, owing to insulating protective cover itself is by silicone rubber material
Material is made, and has elastic and more soft, and the when of installation, meeting pipeline 2 both sides are slack and undisciplined, are difficult to sheathed with jumper clamp, increase
After connecting cover body 3, making the bending resistance between two pipelines 2 improve, two pipelines 2 are difficult to slack and undisciplined, facilitate sheathed.
As it is shown on figure 3, be provided with tightening sleeve 4 outside the two axial ends of pipeline 2, tightening sleeve 4 is coaxial with pipeline 2 and is mutually communicated,
The inwall of tightening sleeve 4 is tapered setting, and big footpath is identical with pipeline 2 diameter, and the internal diameter of the axial outer end head of tightening sleeve 4 is less,
Make the cable being located in inside can be tightened fixing, reduce rocking of cable, thus avoid banded cable follower link connecting cover
Rock in body 3, make the mutual supporting & stablizing of each parts of inside, reduce the friction of cable and pipeline 2, reduce connector and be connected cover
The friction of body 3.
As shown in Figure 4 and Figure 5, insulation cover body 1 both sides body on the basis of opening 7 plane is symmetrical set, insulation sleeve position
It is provided with competing connection sheet 5 in two edges of opening 7, connects sheet 5 and pipeline 2, be connected cover body 3 and be wholely set, connection sheet 5
It is positioned at outside pipeline 2, mutually runs through the securing member 6 connecting sheet 5 and the peace worn for securing member 6 connecting to be provided with on sheet 5 body
Dress hole, securing member 6 can connect two connection sheets 5, when sheathed, opened along opening 7 position by two bodies of two symmetries, is sheathed with
The outside of jumper clamp, is then fixed at opening 7 by securing member 6, completes the installation of protective cover.
For the ease of dismounting maintenance, following improvement made by securing member 6, and as shown in Figure 6, securing member 6 includes the head of a nail 61, nail pin
62 and be located at nail pin 62 head tapered ailhead 63, the diameter of ailhead more than nail pin 62 diameter, the diameter of the head of a nail 61 more than peace
The diameter in dress hole, the diameter less than installing hole of the diameter of nail pin 62, the external diameter of tapered ailhead 63 is more than the diameter of installing hole, set
If time, punctured along installing hole by tapered ailhead 63, by tapered ailhead 63 through installing hole, and by the head of a nail 61 and tapered ailhead
63 connect sheet 5 by two fixes connection.
The preparation of the nonproliferation cover that insulate in embodiment 4:
According to gained in embodiment 1, component A that step S1 prepares and the B component that step S2 prepares, by component A and the weight of B component
Amount ratio is 1: 1 stirring mixing, is transferred in mould, obtains insulation protective hood after mix homogeneously.
Embodiment 5: a kind of jumper clamp insulation protective hood, is with the difference of embodiment 4, as it is shown in fig. 7, pipeline
2 are positioned at and connect the both sides of cover body 3 and be coaxially disposed, the jumper clamp of adaptive plurality of specifications the most for convenience.
Embodiment 6: a kind of jumper clamp insulation protective hood, is with the difference of embodiment 4, connects cover body 3 in ellipse
The spherical (not shown) that arranges, axiolitic connection cover body 3 can also form a cavity 31, make the connection within cavity 31
Part has an activity space.
The above embodiments are only explanation of the invention, and it is not limitation of the present invention, people in the art
The present embodiment can be made after reading this specification by member as required does not has the amendment of creative contribution, but as long as at this
All protected by Patent Law in the right of invention.
Claims (10)
1. an electrically insulating silicone rubber, the ratio of weight and number including component A and B component and described component A and B component is 1: 1；
Wherein component A includes following composition:
Wherein B component includes following composition:
The preparation method of electrically insulating silicone rubber the most according to claim 1, it is characterised in that comprise the following steps:
S1: weigh a certain amount of vinyl silicone oil, catalyst, aluminium oxide and tin ash, ferrum oxide, zinc oxide, nano oxidized
Ferrum, nano ceric oxide and ceria；Vinyl silicone oil and catalyst are initially charged in the barrel of high speed dispersor, and with
Rotating speed 40r/min stirring mixing 2min；Adding filler the most in three batches, every crowd of interval 5min, filler is added completely into rear high speed 240r/
Min mixing 15min, i.e. prepares heat-resistant silicon rubber component A；
S2: weigh a certain amount of vinyl silicone oil, containing hydrogen silicone oil, inhibitor, aluminium oxide and tin ash, ferrum oxide, zinc oxide,
Nano-sized iron oxide, nano ceric oxide and ceria；Vinyl silicone oil, containing hydrogen silicone oil, inhibitor are initially charged high speed dispersion
With rotating speed 40r/min stirring mixing 2min in the barrel of machine；Adding filler the most in three batches, every crowd of interval 5min, filler adds completely
Enter rear high speed 240r/min mixing 15min, i.e. prepare heat-resistant silicon rubber B component；
The preparation of S3: insulation protective hood:
Take component A that step S1 prepares and the B component that step S2 prepares, be that 1: 1 stirring is mixed by the weight ratio of component A and B component
Close, be transferred to after mix homogeneously in mould, to obtain final product.
3. a jumper clamp insulation protective hood, it is characterised in that use electrically insulating silicone rubber as claimed in claim 1 or such as power
Profit requires that the electrically insulating silicone rubber that the preparation method described in 2 prepares prepares, including having the insulation cover body (1) of opening (7), absolutely
Edge cover body (1) forms the pipeline (2) that current supply cable wears, it is characterised in that: the middle part of described pipeline (2) is provided with for jumper clamp even
The connection cover body (3) that fitting is installed, this connection cover body (3) forms the cavity (31) that connects with pipeline (2), cavity (31) inwall and
Connector gap is arranged.
Jumper clamp insulation protective hood the most according to claim 2, it is characterised in that: described connection cover body (3) is square
Arrange.
Jumper clamp insulation protective hood the most according to claim 2, it is characterised in that: described connection cover body (3) is in ellipsoid
Shape is arranged.
6. according to the jumper clamp insulation protective hood described in claim 3 or 4, it is characterised in that: described pipeline (2) is positioned at connection
The both sides of cover body (3) and eccentric setting.
7. according to the jumper clamp insulation protective hood described in claim 3 or 4, it is characterised in that: described pipeline (2) is positioned at connection
The both sides of cover body (3) and being coaxially disposed.
Jumper clamp insulation protective hood the most according to claim 5, it is characterised in that: outside the two axial ends of described pipeline (2)
Side is provided with tightening sleeve (4), and tightening sleeve (4) is coaxial with pipeline (2) and is mutually communicated.
Jumper clamp insulation protective hood the most according to claim 7, it is characterised in that: the inwall of tightening sleeve (4) is tapered
Arrange, and big footpath is identical with pipeline (2) diameter.
Jumper clamp insulation protective hood the most according to claim 2, it is characterised in that: described insulation sleeve is positioned at opening (7)
Two edges be provided with competing connection sheet (5), mutually run through connect sheet (5) securing member (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587272.5A CN106189255A (en) | 2016-07-22 | 2016-07-22 | Electrically insulating silicone rubber and jumper clamp insulation protective hood prepared therefrom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610587272.5A CN106189255A (en) | 2016-07-22 | 2016-07-22 | Electrically insulating silicone rubber and jumper clamp insulation protective hood prepared therefrom |
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| Publication Number | Publication Date |
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| CN106189255A true CN106189255A (en) | 2016-12-07 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107732781A (en) * | 2017-11-14 | 2018-02-23 | 国网江苏省电力公司技能培训中心 | A kind of automatic traction insulating shielding device |
| CN112421511A (en) * | 2020-09-29 | 2021-02-26 | 国网浙江省电力有限公司电力科学研究院 | Overhead conductor insulating layer shielding cover and installation hardware thereof |
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