CN108389663A - The dual de-watering apparatus of power cable - Google Patents
The dual de-watering apparatus of power cable Download PDFInfo
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- CN108389663A CN108389663A CN201810134146.3A CN201810134146A CN108389663A CN 108389663 A CN108389663 A CN 108389663A CN 201810134146 A CN201810134146 A CN 201810134146A CN 108389663 A CN108389663 A CN 108389663A
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- support frame
- weight
- parts
- line wheel
- front support
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
Abstract
The invention belongs to transmission line equipment technical fields, more particularly to a kind of dual de-watering apparatus of power cable, including the front support frame and rear support frame being set on the base, the rear support frame is equipped with the driven line wheel of cable, water removal body is equipped between the front support frame and rear support frame, the front support frame is equipped with cable drive mechanism, the cable drive mechanism includes the driving line wheel being arranged on front support frame, the sliding block slided up and down is equipped in the front support frame, the sliding block is equipped with the compression line wheel of rotation connection, support frame as described above is equipped with the bolt for pressed slider.
Description
Technical field
The invention belongs to transmission line equipment technical field more particularly to a kind of dual de-watering apparatus of power cable.
Background technology
In electric wire production process, it is often necessary to which lettering is to indicate and metering, mark related to lettering quality country
Corresponding regulation has also been made in standard：Lettering is clear, anti-scratch.But in actual production process, insulated wire cores or cable are by water
After slot, often surface also carries a large amount of water stain, and standard requirement will be reached by printing word articulation and erasibility in this case
It is difficult.Currently, many producers all use cotton thread group or sponge to be placed on sink position and the place of sink outlet, to reach water removal
Purpose, but in this way need to be replaced frequently cotton thread group or sponge, and even if often replace, reach in insulated wire cores or cable
When ink jet numbering machine or type wheel, surface is still attached to a thin layer of moisture film, is wanted although print word articulation is temporarily likely to be breached
It asks, but erasibility is not often up to standard.
Publication number CN205406202U is related to a kind of cable surface de-watering apparatus comprising air source, the ring communicated with air source
Shape blowing ontology, the sensing device being set on the inside of the annular blowing ontology and the holder for being used to support annular ontology of drying,
The annular blowing ontology is made of the air hose spiral winding with blowhole, and one end of the air hose is connected with air source, described
The other end closing setting of air hose, the air hose are fixedly installed on the holder.The utility model has and can incude water removal, saves
Resource-saving reduces cost, improves the characteristics of efficiency.The structure is disadvantageous in that：Efficiency is low, and ventilation hole has asking for blocking
Topic.
Publication number CN104575877A discloses a kind of cable drying de-watering apparatus, including bottom plate, cable and water removal dress
Set, be bolted to connection cable support mechanism above the left side of the bottom plate, in cable support mechanism equipped with support base,
First goes water wheels and spring, support base to be bolted on the left side upper end of bottom plate, and the upper end of support base is equipped with vertically
Sliding sleeve, sliding sleeve is interior to be equipped with cylindrical cunning chamber, and the upper end of sliding sleeve is equipped with the lower spring blocking plate of annular, wherein first removes the axis of water wheels
Shaft is equipped at the heart, first goes to the centre of water wheels to be equipped with annular groove, and the both ends rotation of shaft is fixed on frame, frame lower end
Spring blocking plate is fixedly connected in the middle part of face.The structure of the present invention is simple, easy to use, further increases cable surface
The de-watering apparatus of cleannes, setting further increases water-scavenging capability, prevent on cable there are water mark spark machine is caused
Damage.The structure is disadvantageous in that：The bad efficiency of water removal effect is low.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide a kind of simple in structure, applications
Convenient, applied widely, efficient, water removal effect is good cable surface waterproof, water removal apparatus for examination and repair.
In order to achieve the above objectives, the present invention uses following technical scheme：
A kind of dual de-watering apparatus of power cable, including the front support frame and rear support frame that are set on the base, the rear support
Frame is equipped with the driven line wheel of cable, and water removal body is equipped between the front support frame and rear support frame, is set on the front support frame
There is a cable drive mechanism, the cable drive mechanism includes the driving line wheel being arranged on front support frame, in the front support frame
Equipped with the sliding block slided up and down, the sliding block is equipped with the compression line wheel of rotation connection, and the front support frame is equipped with through-hole, institute
The compression bar being equipped in through-hole for pressed slider is stated, the compression bar is equipped with teeth, pawl, the spine are equipped in support frame as described above
It is equipped between pawl and front support frame and holds out against spring, the water removal body includes being set on the base supporting rod, being arranged in supporting rod
On framework and the bearing in framework, abrasive rubber layer is equipped in the bearing, the elongated end of the bearing inner race is equipped with
The spongy layer of annular, the supporting rod are equipped with the driving motor of driving bearing inner race rotation, the supporting rod right side of the pedestal
Equipped with support column, the support column is equipped with the pipe passed through for conducting wire, and the centre of the pipe is equipped with air admission hole, and the air admission hole connects
It is connected to air-heater.
Spiral groove is equipped in the pipe.
The spiral groove at the air admission hole both ends of the pipe is symmetrical, and air-heater, which enters from air admission hole to the both ends of pipe, to be sprayed
Go out.
The circular heating tube is fixed by the connecting rod on the support columns.
Spring is equipped between the sliding block and compression bar.
The front support frame is equipped with the preceding driving motor of driving driving line wheel rotation.
The driving line wheel is rotatablely connected by shaft and supporting rack.
It is equipped with abrasive rubber layer in the driving line wheel, compression line wheel and driven line wheel.
The cable insulation is made of following components and its content：Epoxy resin 20-28 parts by weight, polytetrafluoroethylene (PTFE)
12-18 parts by weight, coupling agent 3.8-5.5 parts by weight, nano-oxide 12-17 parts by weight, the third alkyl dimethyl ammonium chloride of polydiene base
4.5-5.6 parts by weight, Kynoar 17-22 parts by weight, DMAC N,N' dimethyl acetamide 35-44 parts by weight, waterproofing agent 6.7-7.2
Parts by weight, corrosion-resistant agent 8.9-9.6 parts by weight, inhibitor 3.4-4.7 parts by weight, fire retardant 3.3-4.2 parts by weight, acetone 20-
26 parts by weight, water 40-55 parts by weight.
In the use of the present invention, water removal body, pipe and cable drive mechanism are in same horizontal line, cable sequentially passes through,
Abrasion is reduced, the rear support frame is equipped with the driven line wheel of cable, and cable is placed in driven line wheel and drives in line wheel, before described
Water removal body is equipped between supporting rack and rear support frame, the front support frame is equipped with cable drive mechanism, the cable drive
Mechanism includes the driving line wheel being arranged on front support frame, and the sliding block slided up and down, the sliding block are equipped in the front support frame
It is equipped with the compression line wheel of rotation connection, the front support frame is equipped with through-hole, is equipped with for pressed slider in the through-hole
Compression bar, the compression bar are equipped with teeth, pawl are equipped in support frame as described above, be equipped between the pawl and front support frame and hold out against bullet
Spring, the water removal body include be set on the base supporting rod, the framework that is arranged on supporting rod and the bearing in framework,
Abrasive rubber layer is equipped in the bearing, the elongated end of the bearing inner race is equipped with the spongy layer of annular, is set on the supporting rod
There is the driving motor of driving bearing inner race rotation.It compresses line wheel and compresses cable, driving motor drives driving line wheel rotation, drives electricity
Cable moves forward, while bearing holder (housing, cover) is on cable, and abrasive rubber plays the role of preventing abrasion, what the elongated end of inner ring was equipped with
Moisture on sponge absorbing cable, driving motor driving inner ring rotation throws away the water on sponge, to go out the water on cable
It goes, while a support line wheel can be arranged in water removal body side, play the role of supporting sliding, reduce and worn to cable, made simultaneously
Conducting wire is located at same horizontal line.Spring is equipped between the sliding block and compression bar.Elasticity press fitting driving effect is good, and abrasion is avoided to lead
Line.The front support frame is equipped with the preceding driving motor of driving driving line wheel rotation.The driving line wheel passes through shaft and support
Frame is rotatablely connected.Shaft drives driving line wheel rotation.It is equipped with wear-resisting rubber in the driving line wheel, compression line wheel and driven line wheel
Glue-line.Play the role of wear-resisting.Driven line wheel plays the role of being discharged for the first time.Prevent water from entering in cable.The insulation of the cable
Layer is made of following components and its content：Epoxy resin 20-28 parts by weight, polytetrafluoroethylene (PTFE) 12-18 parts by weight, coupling agent 3.8-
5.5 parts by weight, nano-oxide 12-17 parts by weight, polydiene base the third alkyl dimethyl ammonium chloride 4.5-5.6 parts by weight, polyvinylidene fluoride
Alkene 17-22 parts by weight, DMAC N,N' dimethyl acetamide 35-44 parts by weight, waterproofing agent 6.7-7.2 parts by weight, corrosion-resistant agent 8.9-9.6
Parts by weight, inhibitor 3.4-4.7 parts by weight, fire retardant 3.3-4.2 parts by weight, acetone 20-26 parts by weight, water 40-55 weight
Part., the present invention organically combined by a variety of materials, play cable insulation made from the synergistic effect of each component, can be effective
Inhibit the space charge accumulation in cable insulation material, corrosion-resistant and excellent insulating property, dielectric constant is below 1.5.Together
When, there is good waterproof, flame retardant property, good mechanical performance, tensile strength to exist in 23.5MPa or more, elongation at break
520% or more, excellent combination property, even more important wear-resisting property is good.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the cross-sectional view of front support frame of the present invention；
Fig. 3 is the structural schematic diagram of water removal body of the present invention；
Fig. 4 is the schematic cross-sectional view of water removal body of the present invention.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
Embodiment one
A kind of dual de-watering apparatus of power cable, including the front support frame 3 and rear support frame 2 that are arranged on pedestal 18, after described
Supporting rack is equipped with driven line wheel 1, and water removal body is equipped between the front support frame and rear support frame, is set on the front support frame
There is a cable drive mechanism, the cable drive mechanism includes the driving line wheel 9 being arranged on front support frame, in the front support frame
Equipped with the sliding block 7 slided up and down, the sliding block is equipped with the compression line wheel 8 of rotation connection, and the front support frame is equipped with through-hole,
The compression bar 5 for pressed slider is equipped in the through-hole, the compression bar is equipped with teeth 25, pawl is equipped in support frame as described above
23, be equipped between the pawl and front support frame and hold out against spring 24, the water removal body include be set on the base supporting rod 4,
The framework 3 being arranged on supporting rod and the bearing 15 in framework, the bearing is interior to be equipped with abrasive rubber layer 16, the bearing
The elongated end 20 of inner ring is equipped with the spongy layer 19 of annular, and the supporting rod is equipped with the driving motor of driving bearing inner race rotation
21, the supporting rod right side of the pedestal is equipped with support column, and the support column 31 is equipped with the pipe 30 passed through for conducting wire, the pipe
Centre is equipped with air admission hole, and the air admission hole is connected with air-heater 32.
Spiral groove is equipped in the pipe.
The spiral groove at the air admission hole both ends of the pipe is symmetrical, and air-heater, which enters from air admission hole to the both ends of pipe, to be sprayed
Go out.
The circular heating tube is fixed by the connecting rod on the support columns.
The elongated end is equipped with ring gear, and ring gear is engaged with the driving gear of driving motor.
Spring 6 is equipped between the sliding block and compression bar.
The front support frame is equipped with the preceding driving motor 14 of driving driving line wheel rotation, and shaft is equipped with driven gear
13。
The driving line wheel is rotatablely connected by shaft 12 and supporting rack.
It is equipped with abrasive rubber layer in the driving line wheel, compression line wheel and driven line wheel.
The insulating layer of the cable is made of following components and its content：20 parts by weight of epoxy resin, polytetrafluoroethylene (PTFE) 12
Parts by weight, 12 parts by weight of nano-oxide, 4.5 parts by weight of the third alkyl dimethyl ammonium chloride of polydiene base, are gathered at 3.8 parts by weight of coupling agent
17 parts by weight of vinylidene, 35 parts by weight of DMAC N,N' dimethyl acetamide, 6.7 parts by weight of waterproofing agent, 8.9 parts by weight of corrosion-resistant agent,
3.4 parts by weight of inhibitor, 3.3 parts by weight of fire retardant, 20 parts by weight of acetone, 40 parts by weight of water.
Embodiment two
A kind of dual de-watering apparatus of power cable, including the front support frame 3 and rear support frame 2 that are arranged on pedestal 18, after described
Supporting rack is equipped with driven line wheel 1, and water removal body is equipped between the front support frame and rear support frame, is set on the front support frame
There is a cable drive mechanism, the cable drive mechanism includes the driving line wheel 9 being arranged on front support frame, in the front support frame
Equipped with the sliding block 7 slided up and down, the sliding block is equipped with the compression line wheel 8 of rotation connection, and the front support frame is equipped with through-hole,
The compression bar for pressed slider 7 is equipped in the through-hole, the compression bar is equipped with teeth, pawl, institute are equipped in support frame as described above
It states to be equipped between pawl and front support frame and holds out against spring, the water removal body includes being set on the base supporting rod 4, being arranged and propping up
15 layer 19 of framework 3 on strut and the bearing in framework, the supporting rod are equipped with the driving of driving bearing inner race rotation
The supporting rod right side of motor 21, the pedestal is equipped with support column, and abrasive rubber layer 16, the bearing inner race are equipped in the bearing
Elongated end 20 be equipped with support column 31 described in the sponge of annular and be equipped with the pipe 30 that is passed through for conducting wire, the centre of the pipe be equipped with into
Stomata, the air admission hole are connected with air-heater 32.
Spiral groove is equipped in the pipe.
The spiral groove at the air admission hole both ends of the pipe is symmetrical, and air-heater, which enters from air admission hole to the both ends of pipe, to be sprayed
Go out.
The circular heating tube is fixed by the connecting rod on the support columns.
The elongated end is equipped with ring gear, and ring gear is engaged with the driving gear of driving motor.
Spring 6 is equipped between the sliding block and compression bar.
The front support frame is equipped with the preceding driving motor 14 of driving driving line wheel rotation, and shaft is equipped with driven gear
13。
The driving line wheel is rotatablely connected by shaft 12 and supporting rack.
It is equipped with abrasive rubber layer in the driving line wheel, compression line wheel and driven line wheel.
The insulating layer of the cable is made of following components and its content：28 parts by weight of epoxy resin, polytetrafluoroethylene (PTFE) 18
Parts by weight, 17 parts by weight of nano-oxide, 5.6 parts by weight of the third alkyl dimethyl ammonium chloride of polydiene base, are gathered at 5.5 parts by weight of coupling agent
22 parts by weight of vinylidene, 44 parts by weight of DMAC N,N' dimethyl acetamide, 7.2 parts by weight of waterproofing agent, 9.6 parts by weight of corrosion-resistant agent,
Inhibitors 4 .7 parts by weight, 4.2 parts by weight of fire retardant, 26 parts by weight of acetone, 55 parts by weight of water.
Embodiment three
A kind of dual de-watering apparatus of power cable, including the front support frame 3 and rear support frame 2 that are arranged on pedestal 18, after described
Supporting rack is equipped with driven line wheel 1, and water removal body is equipped between the front support frame and rear support frame, is set on the front support frame
There is a cable drive mechanism, the cable drive mechanism includes the driving line wheel 9 being arranged on front support frame, in the front support frame
Equipped with the sliding block 7 slided up and down, the sliding block is equipped with the compression line wheel 8 of rotation connection, and the front support frame is equipped with through-hole,
The compression bar for pressed slider is equipped in the through-hole, the compression bar is equipped with teeth, and pawl is equipped in support frame as described above, described
It is equipped between pawl and front support frame and holds out against spring, the water removal body is being supported including being set on the base supporting rod 4, being arranged
Framework 3 on bar and the bearing in framework 15, the bearing is interior to be equipped with abrasive rubber layer 16, the extension of the bearing inner race
End 20 is equipped with the spongy layer 19 of annular, and the supporting rod is equipped with the driving motor 21 of driving bearing inner race rotation, the bearing
Interior to be equipped with abrasive rubber layer 16, the elongated end 20 of the bearing inner race is equipped with support column 31 described in the sponge of annular and is equipped with for leading
The centre of the pipe 30 that line passes through, the pipe is equipped with air admission hole, and the air admission hole is connected with air-heater 32.
The circular heating tube is fixed by the connecting rod on the support columns.
The elongated end is equipped with ring gear, and ring gear is engaged with the driving gear of driving motor.
Spring 6 is equipped between the sliding block and compression bar.
The front support frame is equipped with the preceding driving motor 14 of driving driving line wheel rotation, and shaft is equipped with driven gear
13。
The driving line wheel is rotatablely connected by shaft 12 and supporting rack.
It is equipped with abrasive rubber layer in the driving line wheel, compression line wheel and driven line wheel.
The insulating layer of the cable is made of following components and its content：25 parts by weight of epoxy resin, polytetrafluoroethylene (PTFE) 15
Parts by weight, 15 parts by weight of nano-oxide, 5 parts by weight of the third alkyl dimethyl ammonium chloride of polydiene base, gather inclined fluorine at 4 parts by weight of coupling agent
20 parts by weight of ethylene, 40 parts by weight of DMAC N,N' dimethyl acetamide, 7 parts by weight of waterproofing agent, 9 parts by weight of corrosion-resistant agent, inhibitors 4 weight
Measure part, 37 parts by weight of fire retardant, 23 parts by weight of acetone, 48 parts by weight of water.
Example IV
A kind of cable insulation, component and its content are the same as embodiment three.
A kind of preparation method of cable insulation, comprises the following steps：
1）It is mixed with the acetone of 22 parts by weight after the nano-oxide of 14 parts by weight is placed in 80 DEG C of vacuum drying chambers dry 14h
It closes, the 3-aminopropyltriethoxysilane of 4.2 parts by weight is added, is placed in magnetic stirring apparatus and stirs, in 20 DEG C -25 DEG C of item
Under part, rotating speed 400r/min, mixing time 3h filter, filtrate are dried 8h in 80 DEG C of baking ovens, grind, obtain surface
Modified nano-oxide powder；
2）It is placed in reaction kettle by the Kynoar of 19 parts by weight, by the n,N-dimethylacetamide of 37 parts by weight, is passed through nitrogen
Temperature of reaction kettle is controlled at 100 DEG C, speed of agitator 300r/min, stirs 3h, obtain mixture one by gas；
3）By the third dimethyl chloride of polydiene base of the epoxy resin of 22 parts by weight, the polytetrafluoroethylene (PTFE) of 14 parts by weight, 4.8 parts by weight
The water mixing for changing ammonium, 43 parts by weight, is placed on magnetic stirring apparatus, under conditions of 20 DEG C -25 DEG C, stirs 5h, mixing speed is
800r/min obtains mixture two；
4）To step 3）Step 1 is added in obtained mixing two）Obtained nano-oxide powder and step 2）Obtained mixing
Object one, is placed in mixer and is kneaded 15min, and melting temperature is 130 DEG C, obtains a mixture；
5）To step 4）The sodium methyl silicate of 6.9 parts by weight, the hexa-methylene of 9.2 parts by weight are added in an obtained mixture
The tricresyl phosphate of tetramine, the hydroquinone of 3.7 parts by weight, 3.6 parts by weight continues to be kneaded 60min in mixer, be kneaded
Temperature be 130 DEG C to get.
Embodiment five
A kind of cable insulation, is made of following components and its content：25 parts by weight of epoxy resin, 15 weight of polytetrafluoroethylene (PTFE)
Part, 4.5 parts by weight of 3- glycidyl ether oxypropyltrimethoxysilanes, 15 parts by weight of nano-oxide, polydiene base the third two
5 parts by weight of ammonio methacrylate, 19 parts by weight of Kynoar, 39 parts by weight of DMAC N,N' dimethyl acetamide, 7.0 weight of potassium methyl silicate
Measure part, 9.2 parts by weight of corrosion-resistant agent, 4 parts by weight of hydroquinone, 3.8 parts by weight of fire retardant, 24 parts by weight of acetone, 48 weight of water
Part.
The nano-oxide is the mixture of nano magnesia, nano silicon dioxide, nano-titanium dioxide, and weight ratio is received
Rice magnesia：Nano silicon dioxide：Nano-titanium dioxide is 4:3:3.
The corrosion-resistant agent is the mixture of poly-aspartate and hexa, weight ratio poly-aspartate：Six is sub-
Tetramine is 3：7.
The fire retardant is fire retardant DDP, fire retardant DOPO, tricresyl phosphate, weight ratio fire retardant DDP：Fire retardant
DOPO：Tricresyl phosphate is 3:2:5.
A kind of preparation method of cable insulation, comprises the following steps：
1）It is mixed with the acetone of 24 parts by weight after the nano-oxide of 15 parts by weight is placed in 80 DEG C of vacuum drying chambers dry 14h
It closes, the 3- glycidyl ether oxypropyltrimethoxysilanes of 4.5 parts by weight is added, is placed in magnetic stirring apparatus and stirs, 20
Under conditions of DEG C -25 DEG C, rotating speed 350r/min, mixing time 3h are filtered, filtrate are dried 7h in 75 DEG C of baking ovens, is ground
Mill obtains the nano-oxide powder of surface modification；
2）It is placed in reaction kettle by the Kynoar of 19 parts by weight, by the n,N-dimethylacetamide of 39 parts by weight, is passed through nitrogen
Temperature of reaction kettle is controlled at 110 DEG C, speed of agitator 250r/min, stirs 3h, obtain mixture one by gas；
3）By the epoxy resin of 25 parts by weight, the third dimethylammonium chloride of polydiene base of the polytetrafluoroethylene (PTFE) of 15 parts by weight, 5 parts by weight
The water mixing of ammonium, 48 parts by weight, is placed on magnetic stirring apparatus, under conditions of 20 DEG C -25 DEG C, stirs 5h, mixing speed is
700r/min obtains mixture two；
4）To step 3）Step 1 is added in obtained mixing two）Obtained nano-oxide powder and step 2）Obtained mixing
Object one, is placed in mixer and is kneaded 13min, and melting temperature is 120 DEG C, obtains a mixture；
5）To step 4）Be added in an obtained mixture sodium methyl silicates of 7.0 parts by weight, 9.2 parts by weight it is corrosion-resistant
Agent, the hydroquinone of 4 parts by weight, 3.8 parts by weight fire retardant, continue in mixer be kneaded 50min, melting temperature 120
DEG C to get.
Embodiment six
A kind of cable insulation, including component and its content be with embodiment five, but unlike embodiment five, this implementation
The fire retardant that example uses is fire retardant DDP.
The preparation method of the cable insulation is the same as embodiment five.
Embodiment seven
A kind of cable insulation, is made of following components and its content：27 parts by weight of epoxy resin, 16 weight of polytetrafluoroethylene (PTFE)
Part, 5.2 parts by weight of 3- glycidyl ether oxypropyltrimethoxysilanes, 16 parts by weight of nano-oxide, polydiene base the third two
5.4 parts by weight of ammonio methacrylate, 20 parts by weight of Kynoar, 42 parts by weight of DMAC N,N' dimethyl acetamide, sodium methyl silicate 7.1
Parts by weight, 9.4 parts by weight of poly-aspartate, 4.6 parts by weight of styrene, 4.1 parts by weight of fire retardant, 25 parts by weight of acetone, water 54
Parts by weight.
The nano-oxide is the mixture of nano magnesia, nano silicon dioxide, nano-titanium dioxide, and weight ratio is received
Rice magnesia：Nano silicon dioxide：Nano-titanium dioxide is 4:3:3.
The fire retardant is fire retardant DDP, fire retardant DOPO, tricresyl phosphate, weight ratio fire retardant DDP：Fire retardant
DOPO：Tricresyl phosphate is 3:2:5.
A kind of preparation method of cable insulation, comprises the following steps：
1）It is mixed with the acetone of 25 parts by weight after the nano-oxide of 16 parts by weight is placed in 80 DEG C of vacuum drying chambers dry 14h
It closes, the 3- glycidyl ether oxypropyltrimethoxysilanes of 5.2 parts by weight is added, is placed in magnetic stirring apparatus and stirs, 20
Under conditions of DEG C -25 DEG C, rotating speed 300r/min, mixing time 3h filter, filtrate are dried 7.5h in 80 DEG C of baking ovens,
Grinding obtains the nano-oxide powder of surface modification；
2）It is placed in reaction kettle by the Kynoar of 20 parts by weight, by the n,N-dimethylacetamide of 42 parts by weight, is passed through nitrogen
Temperature of reaction kettle is controlled at 115 DEG C, speed of agitator 250r/min, stirs 3h, obtain mixture one by gas；
3）By the third dimethyl chloride of polydiene base of the epoxy resin of 27 parts by weight, the polytetrafluoroethylene (PTFE) of 16 parts by weight, 5.4 parts by weight
The water mixing for changing ammonium, 54 parts by weight, is placed on magnetic stirring apparatus, under conditions of 20 DEG C -25 DEG C, stirs 5.5h, mixing speed
For 750r/min, mixture two is obtained；
4）To step 3）Step 1 is added in obtained mixing two）Obtained nano-oxide powder and step 2）Obtained mixing
Object one, is placed in mixer and is kneaded 14min, and melting temperature is 125 DEG C, obtains a mixture；
5）To step 4）The sodium methyl silicate of 7.1 parts by weight, the poly- asparagus fern ammonia of 9.4 parts by weight are added in an obtained mixture
The fire retardant DOPO of acid, the styrene of 4.6 parts by weight, 4.1 parts by weight continues to be kneaded 55min in mixer, and melting temperature is
125 DEG C to get.
Embodiment eight
A kind of cable insulation, is made of following components and its content：28 parts by weight of epoxy resin, 18 weight of polytetrafluoroethylene (PTFE)
Part, 5.5 parts by weight of 3- glycidyl ether oxypropyltrimethoxysilanes, 17 parts by weight of nano-oxide, polydiene base the third two
5.6 parts by weight of ammonio methacrylate, 22 parts by weight of Kynoar, 44 parts by weight of DMAC N,N' dimethyl acetamide, potassium methyl silicate 7.2
Parts by weight, 9.6 parts by weight of corrosion-resistant agent, 4.7 parts by weight of styrene, 4.2 parts by weight of fire retardant, 26 parts by weight of acetone, 55 weight of water
Measure part.
The nano-oxide is the mixture of nano magnesia, nano silicon dioxide, nano-titanium dioxide, and weight ratio is received
Rice magnesia：Nano silicon dioxide：Nano-titanium dioxide is 4:3:3.
The corrosion-resistant agent is the mixture of poly-aspartate and hexa, weight ratio poly-aspartate：Six is sub-
Tetramine is 3：7.
The fire retardant is fire retardant DDP, fire retardant DOPO, tricresyl phosphate, weight ratio fire retardant DDP：Fire retardant
DOPO：Tricresyl phosphate is 3:2:5.
A kind of preparation method of cable insulation, comprises the following steps：
1）It is mixed with the acetone of 26 parts by weight after the nano-oxide of 28 parts by weight is placed in 80 DEG C of vacuum drying chambers dry 14h
It closes, the 3- glycidyl ether oxypropyltrimethoxysilanes of 5.5 parts by weight is added, is placed in magnetic stirring apparatus and stirs, 20
Under conditions of DEG C -25 DEG C, rotating speed 400r/min, mixing time 4h are filtered, filtrate are dried 8h in 80 DEG C of baking ovens, is ground
Mill obtains the nano-oxide powder of surface modification；
2）It is placed in reaction kettle by the Kynoar of 22 parts by weight, by the n,N-dimethylacetamide of 44 parts by weight, is passed through nitrogen
Temperature of reaction kettle is controlled at 120 DEG C, speed of agitator 300r/min, stirs 3h, obtain mixture one by gas；
3）By the third dimethyl chloride of polydiene base of the epoxy resin of 28 parts by weight, the polytetrafluoroethylene (PTFE) of 18 parts by weight, 5.6 parts by weight
The water mixing for changing ammonium, 55 parts by weight, is placed on magnetic stirring apparatus, under conditions of 20 DEG C -25 DEG C, stirs 6h, mixing speed is
800r/min obtains mixture two；
4）To step 3）Step 1 is added in obtained mixing two）Obtained nano-oxide powder and step 2）Obtained mixing
Object one, is placed in mixer and is kneaded 15min, and melting temperature is 130 DEG C, obtains a mixture；
5）To step 4）Be added in an obtained mixture potassium methyl silicates of 7.2 parts by weight, 9.6 parts by weight it is corrosion-resistant
Agent, the styrene of 4.7 parts by weight, 4.2 parts by weight fire retardant DOPO, continue to be kneaded 60min in mixer, melting temperature is
130 DEG C to get.
Comparative example one
A kind of cable insulation, including component and its content with embodiment two, but unlike embodiment two, the comparative example
It is not added with Kynoar and DMAC N,N' dimethyl acetamide.
The cable insulation, including the step of with embodiment two, but unlike embodiment two, which lacks step
2）, i.e., by the mixing of Kynoar and n,N-dimethylacetamide.
Comparative example two
A kind of cable insulation, including component and its content with embodiment three, but unlike embodiment three, the comparative example
It is not added with waterproofing agent and inhibitor.
The cable insulation, including the step of with embodiment three, the comparative example be not added with waterproofing agent and inhibitor.
Comparative example three
A kind of cable insulation, including component and its content with embodiment five, but unlike embodiment five, the comparative example
It is not added with corrosion-resistant agent.
The cable insulation, including the step of with embodiment five, the comparative example be not added with corrosion-resistant agent.
Comparative example four
A kind of cable insulation, including component and its content with embodiment seven, but unlike embodiment seven, the comparative example
Lack coupling agent.
The cable insulation, including the step of with embodiment seven, but unlike embodiment seven, which lacks step
1）, i.e., not by nano-oxide with coupling agent modified.
Performance test：
1）Measuring mechanical property
It is poured into deployed mixed liquor into mold, sample is obtained after curing at room temperature.Its specification is：A length of 30 mm, wide lO
Mm, thickness are 100 μm.Stress-strain test is carried out to enamelled coating using U.S.'s Mei Tesi CMT5305 universal testing machines, strain rate is
10mm/min。
Tensile strength is sample when being pulled off on puller system, and the load born on unit cross-sectional area uses N/mm2It indicates,
Calculation formula is as shown in 1-1：
P=F/S (1-1)
In formula：The tensile strength of mono- samples of P, N/mm2；
Power suffered on rupture cross section, N when F- sample fractures；
The area in S- sample fractures face, mm2。
Wherein, 1MPa=1N/mm2
Elongation at break is the ratio of the elongation and raw footage when sample is pulled off, and is expressed as a percentage, calculation formula such as 1-2 institutes
Show：
E=(L1-L0)/L0 （1-2）
In formula：Mono- elongation at breaks of E, %；
L0One sample raw footage, mm；
L1The length of part of the force, mm when-sample fracture.
2）Water resistance test
It takes mixed liquor 30g in glass culture dish, dries in an oven, film is made.The water-fast of film is characterized using water absorption rate
Property, film is cut into the square sample of 15mm × 15mm, weighs sample mass（It is accurate to 0.001g）.It puts it into and is equipped with
In the culture dish of distilled water, distilled water did not had the upper surface of film, impregnates take out afterwards for 24 hours at room temperature.It is gently wiped with filter paper
Fall the moisture of film surface, and weighs immediately.According to formula 2-1, the water absorption rate of film is calculated, each sample testing 3 times is made even
Mean value.
W=(m1-m0)/m0×100% （2-1）
In formula, the water absorption rate of W- films, %；
m0The initial mass of sample, g；
m1Quality after sample water suction, g.
3）Insulation performance is tested
It is poured into deployed mixed liquor into mold, sample is obtained after curing at room temperature.Using capacitance measuring instrument, to sample into
Row on-line testing passes through capacitance calculation formula（3-1）, the dielectric constant of insulation can be calculated.
ε=Cx/Co （3-1）
In formula：The increased multiple of ε-capacitance, i.e. relative dielectric constant；
CxCapacitor two-plate is full of capacitance when medium；
CoCapacitance when capacitor two-plate is vacuum.
Volume resistivity test is carried out using ZC-36 type meggers, Polyethylene Nanocomposites are prepared into 100
Sample is sticked aluminium foil by the sample of the mm × 1 of mm × 100 mm, and test voltage is 500 V.Using three
Electrode system measures composite material using megger, and measured value is volume resistance, can be according to formula (3-2)
Calculate the volume resistivity of sample.Formula is as follows：
ρv=Rvπ(D1+g)/4h （3-2）
In formula：ρv- volume resistivity, m；Rv- volume resistance,；
D1- guard electrode diameter, m；G-is by the distance between guard electrode and guard electrode, m；
The thickness of h-test sample, m.
4）Corrosion-resistant test
It takes mixed liquor 30g in glass culture dish, dries in an oven, film sample is made.Three clean beakers are taken, respectively
The NaOH solution for preparing the hydrochloric acid and 10% concentration of 10% concentration immerses sample in prepared solution respectively, keeps sealing ring
Behind border 45 days, the corrosion condition of sample observation film surface is taken out.
The Measurement results such as table 1 of embodiment one to eight and comparative example one to five：
The test result of table 1 embodiment and comparative example
| Tensile strength MPa | Elongation at break % | Water resistance | Dielectric constant | Volume resistivity（1015Ω·m） | Acid resistance | Alkali resistance | |
| Embodiment one | 23.5 | 520.7 | 41 | 1.5 | 4.2 | Without elephant skin, bubble, peeling phenomenon | Without elephant skin, bubble, peeling phenomenon |
| Embodiment two | 24.2 | 527.6 | 40 | 1.5 | 4.4 | Without elephant skin, bubble, peeling phenomenon | Without elephant skin, bubble, peeling phenomenon |
| Embodiment three | 25.9 | 543.6 | 36 | 1.4 | 4.8 | Without elephant skin, bubble, peeling phenomenon | Without elephant skin, bubble, peeling phenomenon |
| Example IV | 24.7 | 540.8 | 34 | 1.4 | 4.7 | Without elephant skin, bubble, peeling phenomenon | Without elephant skin, bubble, peeling phenomenon |
| Embodiment five | 29.4 | 589.3 | 32 | 1.2 | 5.5 | Without elephant skin, bubble, peeling phenomenon | Without elephant skin, bubble, peeling phenomenon |
| Embodiment six | 27.4 | 573.9 | 35 | 1.3 | 5.0 | Without elephant skin, bubble, peeling phenomenon | Without elephant skin, bubble, peeling phenomenon |
| Embodiment seven | 27.2 | 577.9 | 37 | 1.3 | 5.1 | Without elephant skin, bubble, peeling phenomenon | Without elephant skin, bubble, peeling phenomenon |
| Embodiment eight | 28.3 | 580.3 | 35 | 1.3 | 5.4 | Without elephant skin, bubble, peeling phenomenon | Without elephant skin, bubble, peeling phenomenon |
| Comparative example one | 15.2 | 436.3 | 45 | 2.7 | 3.2 | A large amount of elephant skin, bubble, peeling phenomenons | A large amount of elephant skin, bubble, peeling phenomenons |
| Comparative example two | 17.3 | 440.5 | 58 | 2.5 | 2.6 | A large amount of elephant skin, bubble, peeling phenomenons | A large amount of elephant skin, bubble, peeling phenomenons |
| Comparative example three | 18.4 | 451.4 | 44 | 2.5 | 2.7 | A large amount of elephant skin, bubble, peeling phenomenons | A large amount of elephant skin, bubble, peeling phenomenons |
| Comparative example four | 17.6 | 427.3 | 50 | 2.8 | 3.0 | A small amount of elephant skin, bubble, peeling phenomenon | A small amount of elephant skin, bubble, peeling phenomenon |
As can be seen from Table 1：1）Embodiment one to eight shows good comprehensive performance：With excellent mechanical performance, draw
Intensity is stretched in 23.5MPa or more, can reach 29.4MPa, and elongation at break is water-fast, resistant to chemical etching 520% or more, absolutely
Edge is had excellent performance, and dielectric constant is 1.5 hereinafter, meet the technology requirement of buried cable.2）Embodiment one to four is using fire-retardant
Agent and corrosion-resistant agent are a kind of single substance, and embodiment five to eight uses fire retardant and corrosion-resistant agent for two or three
The comprehensive performance of the mixture of substance, five to eight material of embodiment is better than embodiment one to four；Example IV and embodiment three-phase
Than material composition is identical with content, and the technical parameter of preparation method is different, and the performance of embodiment three is better than example IV.3）It is right
Ratio one lacks Kynoar and n,N-dimethylacetamide compared with embodiment two；Comparative example two compared with embodiment three,
Lack waterproofing agent and inhibitor；Comparative example three lacks corrosion-resistant agent compared with embodiment five；Comparative example four and seven phase of embodiment
Than nano-oxide is not modified；The performance ratio embodiment one to eight of the material of comparative example one to four is poor.Epoxy resin with
Polytetrafluoroethylene (PTFE) and Kynoar collective effect, modified nano-oxide increase intermolecular compatibility, and various auxiliary agents exist
It while improving material property, is organically combined with each component, interaction, the comprehensive performance of common reinforcing material.Illustrate each original
It is complementary between material, lacks any type raw material, the performance of insulating materials will be decreased obviously.
Finally illustrate, the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, this field is common
Other modifications or equivalent replacement that technical staff makes technical scheme of the present invention, without departing from technical solution of the present invention
Spirit and scope, be intended to be within the scope of the claims of the invention.
Claims (5)
1. a kind of dual de-watering apparatus of power cable, feature exist:Including the front support frame and rear support frame being set on the base,
The rear support frame is equipped with the driven line wheel of cable, water removal body is equipped between the front support frame and rear support frame, before described
Supporting rack is equipped with cable drive mechanism, and the cable drive mechanism includes the driving line wheel being arranged on front support frame, described
It is equipped with the sliding block slided up and down in front support frame, the sliding block is equipped with the compression line wheel of rotation connection, on the front support frame
The compression bar for pressed slider is equipped with equipped with through-hole, in the through-hole, the compression bar is equipped with teeth, is equipped in support frame as described above
Pawl is equipped between the pawl and front support frame and holds out against spring, and the water removal body includes being set on the base supporting rod, setting
The framework on supporting rod and the bearing in framework are set, abrasive rubber layer is equipped in the bearing, the bearing inner race
Elongated end is equipped with the spongy layer of annular, and the supporting rod is equipped with the driving motor of driving bearing inner race rotation, the pedestal
Support column is equipped on the right side of supporting rod, the support column is equipped with the pipe passed through for conducting wire, and the centre of the pipe is equipped with air admission hole, institute
It states air admission hole and is connected with air-heater.
2. the dual de-watering apparatus of power cable as described in claim 1, feature exist:Bullet is equipped between the sliding block and compression bar
Spring.
3. the dual de-watering apparatus of power cable as described in claim 1, feature exist:The front support frame is equipped with driving and drives
The preceding driving motor of moving-wire wheel rotation.
4. the dual de-watering apparatus of power cable as described in claim 1, feature exist:The driving line wheel passes through shaft and branch
Support is rotatablely connected.
5. the dual de-watering apparatus of power cable as described in claim 1, feature exist:The driving line wheel, compress line wheel and
Abrasive rubber layer is equipped in driven line wheel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134146.3A CN108389663A (en) | 2018-02-09 | 2018-02-09 | The dual de-watering apparatus of power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810134146.3A CN108389663A (en) | 2018-02-09 | 2018-02-09 | The dual de-watering apparatus of power cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108389663A true CN108389663A (en) | 2018-08-10 |
Family
ID=63075613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810134146.3A Pending CN108389663A (en) | 2018-02-09 | 2018-02-09 | The dual de-watering apparatus of power cable |
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| Country | Link |
|---|---|
| CN (1) | CN108389663A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203845749U (en) * | 2014-05-21 | 2014-09-24 | 李红宾 | Screw jack |
| CN104715861A (en) * | 2013-12-13 | 2015-06-17 | 淄博思科电子技术开发有限公司 | Adjustable stranded cable wire pressing device |
| CN204657018U (en) * | 2015-05-26 | 2015-09-23 | 沭阳明华电子科技有限公司 | A kind of enamel-covered wire cleaning device of conductor |
| CN205943596U (en) * | 2016-08-31 | 2017-02-08 | 成都德源电缆有限公司 | A gradient cooling device for back cable insulation |
-
2018
- 2018-02-09 CN CN201810134146.3A patent/CN108389663A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104715861A (en) * | 2013-12-13 | 2015-06-17 | 淄博思科电子技术开发有限公司 | Adjustable stranded cable wire pressing device |
| CN203845749U (en) * | 2014-05-21 | 2014-09-24 | 李红宾 | Screw jack |
| CN204657018U (en) * | 2015-05-26 | 2015-09-23 | 沭阳明华电子科技有限公司 | A kind of enamel-covered wire cleaning device of conductor |
| CN205943596U (en) * | 2016-08-31 | 2017-02-08 | 成都德源电缆有限公司 | A gradient cooling device for back cable insulation |
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