CN110196379A - A kind of insulating tool earth detector - Google Patents
A kind of insulating tool earth detector Download PDFInfo
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- CN110196379A CN110196379A CN201910225088.XA CN201910225088A CN110196379A CN 110196379 A CN110196379 A CN 110196379A CN 201910225088 A CN201910225088 A CN 201910225088A CN 110196379 A CN110196379 A CN 110196379A
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- crossbeam
- insulating tool
- magnetic
- support rod
- branch line
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- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical compound [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 claims description 8
- JNXDCMUUZNIWPQ-UHFFFAOYSA-N trioctyl benzene-1,2,4-tricarboxylate Chemical compound CCCCCCCCOC(=O)C1=CC=C(C(=O)OCCCCCCCC)C(C(=O)OCCCCCCCC)=C1 JNXDCMUUZNIWPQ-UHFFFAOYSA-N 0.000 claims description 8
- 238000009413 insulation Methods 0.000 claims description 7
- 239000004925 Acrylic resin Substances 0.000 claims description 6
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 239000004594 Masterbatch (MB) Substances 0.000 claims description 6
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 6
- 229920000178 Acrylic resin Polymers 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- KXGFMDJXCMQABM-UHFFFAOYSA-N 2-methoxy-6-methylphenol Chemical compound [CH]OC1=CC=CC([CH])=C1O KXGFMDJXCMQABM-UHFFFAOYSA-N 0.000 claims description 4
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 238000005453 pelletization Methods 0.000 claims description 4
- 239000005011 phenolic resin Substances 0.000 claims description 4
- 229920001568 phenolic resin Polymers 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 235000012424 soybean oil Nutrition 0.000 claims description 4
- 239000003549 soybean oil Substances 0.000 claims description 4
- 239000004698 Polyethylene Substances 0.000 claims description 3
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- 238000000465 moulding Methods 0.000 claims description 3
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 claims description 3
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 claims description 3
- 239000004417 polycarbonate Substances 0.000 claims description 3
- 229920000515 polycarbonate Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000004513 sizing Methods 0.000 claims description 3
- 239000008117 stearic acid Substances 0.000 claims description 3
- 239000011787 zinc oxide Substances 0.000 claims description 3
- 239000012467 final product Substances 0.000 claims 1
- 239000000463 material Substances 0.000 description 6
- 230000032683 aging Effects 0.000 description 5
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- 238000004804 winding Methods 0.000 description 4
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- 241000270722 Crocodylidae Species 0.000 description 2
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- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 2
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- 239000004411 aluminium Substances 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
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- 230000002708 enhancing effect Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
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- 229910052742 iron Inorganic materials 0.000 description 1
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- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/12—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing
- G01R31/1227—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials
- G01R31/1263—Testing dielectric strength or breakdown voltage ; Testing or monitoring effectiveness or level of insulation, e.g. of a cable or of an apparatus, for example using partial discharge measurements; Electrostatic testing of components, parts or materials of solid or fluid materials, e.g. insulation films, bulk material; of semiconductors or LV electronic components or parts; of cable, line or wire insulation
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B19/00—Apparatus or processes specially adapted for manufacturing insulators or insulating bodies
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B3/00—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties
- H01B3/18—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances
- H01B3/30—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes
- H01B3/44—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins
- H01B3/441—Insulators or insulating bodies characterised by the insulating materials; Selection of materials for their insulating or dielectric properties mainly consisting of organic substances plastics; resins; waxes vinyl resins; acrylic resins from alkenes
-
- 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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
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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
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
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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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2203/00—Applications
- C08L2203/20—Applications use in electrical or conductive gadgets
- C08L2203/202—Applications use in electrical or conductive gadgets use in electrical wires or wirecoating
-
- 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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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Abstract
The invention discloses a kind of insulating tool earth detectors, it includes the water tank for being equipped with opening above；The two sides of the water tank are respectively equipped with supporting leg；The crossbeam of horizontal distribution is equipped between the supporting leg；Corresponding conducting wire is equipped between the water tank and crossbeam；The support rod connected by upright bar is equipped with below the crossbeam；The support rod is equipped with the magnetic stripe of magnetic connection insulating tool；The branch line of multiply and conductor in parallel is equipped with below the crossbeam；The branch line is resilient helical form；The end of the branch line is equipped with magnetic adsorption plate.Structure of the invention is reasonable, pass through magnetic-type fixation, placement quickly can be fixed to insulating tool and removed, and fixed position is accurate, conducting wire connection equally uses magnetic attracting, the tool for being inconvenient to clamp can be connected easily, there are technical problems inconvenient to use for the insulating tool electric leak detecting device of the effective solution prior art.
Description
Technical field
The invention belongs to electric power product technical fields, and in particular to a kind of insulating tool earth detector.
Background technique
In the tools such as spanner, line tweezer, screwdriver that power industry uses, one layer of insulating sheath is increased to handle end, because
Often to have the case where livewire work, the qualification of the insulating layer 100% of these tools it requires.
Insulating tool will carry out detection of electrical leakage after factory or after a period of use, and electric leak detecting device includes one
Water tank equipped with upper opening, water tank are equipped with bracket, and bracket is equipped with fixing clamp, that is, spring clip of connection insulating tool, right
The exposed end of water tank and tool is powered, and sees whether form that closed circuit whether there is or not electric leakages to judge insulating layer.This electric leak detecting device
Testing result is calibrated, but insulating tool type is more, and not of uniform size, underwater penetration is different on water tank, passes through fixation
It presss from both sides inconvenient to fix.
It when connecting wire, is connected using the connector with crocodile clip, as the tools such as hammer, large-scale spanner are not easy to clamp, in addition
Each underwater penetration will examine adjusting, use inconvenient.
Summary of the invention
Present invention aim to address the insulating tool electric leak detecting device of the prior art, there are technologies inconvenient to use
Problem provides a kind of insulating tool earth detector, so as to solve the deficiencies in the prior art.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of insulating tool earth detector, it includes the water tank for being equipped with opening above；Distinguish the two sides of the water tank
Equipped with supporting leg；The crossbeam of horizontal distribution is equipped between the supporting leg；Corresponding conducting wire is equipped between the water tank and crossbeam；Institute
State the support rod for being equipped with below crossbeam and connecting by upright bar；The support rod is equipped with the magnetic stripe of magnetic connection insulating tool；
The branch line of multiply and conductor in parallel is equipped with below the crossbeam；The branch line is resilient helical form；The branch line
End is equipped with magnetic adsorption plate.
Further, the crossbeam slides vertically connection on supporting leg；The both ends of the crossbeam are respectively equipped with the cunning of protrusion
Block；The supporting leg is equipped with vertical bar shaped sliding slot corresponding with sliding block；The crossbeam wherein one end sliding block be equipped with groove；It is recessed
The handle being rotatablely connected by pin shaft is equipped in slot；The pin shaft is vertically distributed, and handle can only horizontally rotate；It is set on the supporting leg
There are two locating slots corresponding with handle；Described two locating slots respectively correspond the both ends of sliding slot.
Further, the rectangular shape of the support rod；The magnetic stripe is placed in the interior turning of support rod；The support rod and
Magnetic stripe is in horizontal distribution；The support rod is equipped with underwater penetration indication wire；The outside of the magnetic stripe is equipped with sheath.
Further, concatenated warning light or alarm device are respectively equipped on the branch line；The inlet wire of the crossbeam conducting wire
End is equipped with concatenated warning light or alarm device；The warning light is using red glittering LED lamp, and alarm device is using red flashing
LED light and buzzer.
Further, the magnetic adsorption plate includes a cylinder type hollow shell；Annular magnet is equipped in the shell；It is described
The centre of magnet is equipped with copper elastic slice；One end of the elastic slice is fixedly connected with housing bottom, while being connect with branch line；It is described
The other end of elastic slice is free end, and is higher by the outer surface of magnet.
As another inventive point of the invention, the present invention also improves sheath material, and specifically, the sheath is
Insulating sheath is prepared according to following technique:
By 100 parts of acrylic resin, 15 parts of phenolic resin, 7 parts of polycarbonate, 2 parts of polyethylene wax, 2 parts of stearic acid, barium sulfate 1
Part, 1 part of nano silica, 0.2 part of zinc oxide are put into mixing machine together, stir 3min with the revolving speed of 200rpm, then
20 parts and 5 parts of epoxidized soybean oil of trioctyl trimellitate (TOTM) are added, 10min is stirred with the revolving speed of 1000rpm, then be warming up to 100 DEG C,
The calcium carbonate that 0.5 part is put under heat-retaining condition continues to stir 2min with the revolving speed of 1000rpm, then puts into twin-screw extrusion
Pelletizer extruding pelletization, obtains masterbatch；Masterbatch is thrown into molding machine formed, sizing, traction, cutting to get；It is above
Parts by weight.
Compared with prior art, the beneficial outcomes that the present invention obtains mainly include but is not limited to the following aspects:
Structure of the invention is reasonable, by magnetic-type fixation, placement quickly can be fixed to insulating tool and remove, and is solid
Positioning is set accurately, and conducting wire connection equally uses magnetic attracting, and the tool for being inconvenient to clamp can be connected easily, effective solution
There are technical problems inconvenient to use for the insulating tool electric leak detecting device for the prior art of having determined.
The present invention improves the mechanical property of material by improving to sheath material, flame-resistant insulation and ageing-resistant
Wear-resisting property is promoted；Acrylic resin good insulation preformance, but low-temperature impact-resistant performance is poor, is easier aging, and intolerant to
Mill；The present invention improves acrylic resin by multiple material, and phenolic resin has preferable acidproof ageing-resistant performance,
It can be improved the Corrosion Protection of polyacrylic resin material；By the trioctyl trimellitate (TOTM) and epoxidized soybean oil that add specific quantity
The plasticizer and resin of composition are arranged in pairs or groups, and are maximized the positive acting of plasticizer, are guaranteed the same of its excellent mechanical property
Shi Tigao wearability, smell or peculiar smell are small, and High-speed machining performance is promoted, while reducing the dosage of plasticizer；This product passes through
Formula adjustment, addition contains barium sulfate and nano silica, its wearability of centralized optimization, while also enhancing the corrosion resistant of product
Erosion and insulation performance.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is leg structure schematic diagram of the present invention；
Fig. 3 is magnetic stripe attachment structure schematic diagram of the present invention；
Fig. 4 is magnetic adsorption plate structural schematic diagram of the present invention.
In figure: 1, crossbeam 2, sliding block 3, upright bar 4, support rod 5, supporting leg 6, water tank 7, conducting wire 8, police
It reports lamp 9, branch line 10, magnetic adsorption plate 11, magnetic stripe 12, groove 13, handle 14, pin shaft 15, sliding slot 16, determine
Position slot 17, sheath 18, shell 19, magnet 20, elastic slice.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with attached drawing, in the description of the present invention,
Obvious embodiment described below is a part of the embodiment of the present invention, instead of all the embodiments.Based in the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all
Belong to the scope of protection of the invention.
Embodiment 1
According to Fig. 1-Fig. 4, a kind of insulating tool earth detector, it includes the water tank 6 for being equipped with opening above；The water storage
The two sides of case 6 are respectively equipped with supporting leg 5；The crossbeam 1 of horizontal distribution is equipped between the supporting leg 5；Between the water tank and crossbeam
Equipped with corresponding conducting wire 7；The support rod 4 connected by upright bar 2 is equipped with below the crossbeam 1；The support rod 4 is equipped with magnetic
Property connection insulating tool magnetic stripe 11；The multiply branch line 9 in parallel with conducting wire 7 is equipped with below the crossbeam 1；The branch line
It is resilient helical form；The end of the branch line is equipped with magnetic adsorption plate 10.
The crossbeam 1 slides vertically connection on supporting leg 5；The both ends of the crossbeam are respectively equipped with the sliding block 2 of protrusion；It is described
Supporting leg 5 is equipped with vertical bar shaped sliding slot 15 corresponding with sliding block 2；The crossbeam 1 wherein one end sliding block be equipped with groove 12；It is recessed
The handle 13 being rotatablely connected by pin shaft 14 is equipped in slot 12；Vertically distribution, handle 13 can only horizontally rotate the pin shaft 14；Institute
State locating slot 16 corresponding with handle there are two setting on supporting leg 5；Described two locating slots 16 respectively correspond the both ends of sliding slot 15.
Insulating tool is pull-in on magnetic stripe 11, insulation handle one end of tool is downward, and magnetic adsorption plate 10 is pull-in on insulation
The exposed section of tool upper end；It drives crossbeam 1, support rod 4 and insulating tool to move down by handle 13, handle 13 is fixed on
In the locating slot 16 of downside, at this moment the insulating end of tool submerges in the water of water tank 6；It is logical to the conducting wire of water tank 6 and crossbeam 1
Electricity is formed into a loop if the insulation position of tool is leaked electricity, and the warning light 8 on branch line 9 lights.
After detection, disconnecting circuit is lifted crossbeam 1 by handle 13, and handle 13 is fixed on to the locating slot of upside
In 16, after removing magnetic adsorption plate 10, tool is directly removed.
The rectangular shape of the support rod 4；The magnetic stripe 11 is placed in the interior turning of support rod；The support rod and magnetic stripe are in
Horizontal distribution；The support rod 4 is equipped with underwater penetration indication wire；The outside of the magnetic stripe is equipped with sheath 17.
The magnetic stripe 11 uses ndfeb magnet, and sheath 17 is insulating sheath.
Concatenated warning light 8 or alarm device are respectively equipped on the branch line 9；It is set on the end of incoming cables of the crossbeam conducting wire 7
There are concatenated warning light 8 or alarm device；The warning light using red glittering LED lamp, alarm device using red glittering LED lamp and
Buzzer.
The magnetic adsorption plate 10 includes a cylinder type hollow shell 18；Annular magnet 20 is equipped in the shell；The magnetic
The centre of iron 20 is equipped with copper elastic slice 19；One end of the elastic slice 20 is fixedly connected with 18 bottom of shell, while being connected with branch line 9
It connects；The other end of the elastic slice is free end, and is higher by the outer surface of magnet.
Embodiment 2
The support rod 4 is equipped with 1-3 group spring clip；Corresponding 9 end of branch line of the spring clip is equipped with crocodile clip.
Further include the products such as a small amount of copper, aluminium in insulating tool, when can not be adsorbed using magnetic adsorption plate 10 and magnetic stripe 11, uses
The mode of clamping.
Structure of the invention is reasonable, by magnetic-type fixation, placement quickly can be fixed to insulating tool and remove, and
And fixation position is accurate, conducting wire connection equally uses magnetic attracting, the tool for being inconvenient to clamp can be connected easily, effectively
The insulating tool electric leak detecting device for solving the prior art there are technical problems inconvenient to use.
Embodiment 3
The present invention also improves sheath material, and the sheath is insulating sheath, is prepared according to following technique:
By 100 parts of acrylic resin, 15 parts of phenolic resin, 7 parts of polycarbonate, 2 parts of polyethylene wax, 2 parts of stearic acid, barium sulfate 1
Part, 1 part of nano silica, 0.2 part of zinc oxide are put into mixing machine together, stir 3min with the revolving speed of 200rpm, then
20 parts and 5 parts of epoxidized soybean oil of trioctyl trimellitate (TOTM) are added, 10min is stirred with the revolving speed of 1000rpm, then heats to 100
DEG C, 0.5 part of calcium carbonate is put under heat-retaining condition, is continued to stir 2min with the revolving speed of 1000rpm, is put into twin-screw extrusion and make
Grain machine extruding pelletization, obtains masterbatch；Masterbatch is thrown into molding machine formed, sizing, traction, after cutting to get；It is above
Parts by weight.
The method for testing performance and index parameter of above-mentioned sheath are as follows:
Low temperature winds test condition are as follows: immersion pressure resistance, 1kv, 1min are decontroled after -40 DEG C of windings；Low temperature winding is surveyed after short ageing
Strip part are as follows: 125 DEG C, 240h, then decontroled after -25 DEG C of windings, soak pressure resistance 1kv, 1min；
Resistance to scraped finish insulate by can recorde the counter group of number along sample axial reciprocating scraped finish insulating surface device and one
At when scraping the needle saturating insulated contact conductor of mill, equipment is automatically stopped, and reciprocal time is exactly the number of resistance to scraped finish at this time.
Specific targets parameter is as follows:
Breaking strength: 25.1MPa；
Elongation: 402%；
90 DEG C of volume resistivities (ohm .m): 6.8 × 1012；
Oxygen index (OI): 33.5；
Low temperature winding: flawless is hit without wearing；
Low temperature is wound after short ageing: flawless is hit without wearing；
It insulate resistance to scraped finish: 870 times.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although ginseng
According to previous embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be with
It modifies to technical solution documented by previous embodiment or equivalent replacement of some of the technical features；And this
It modifies or replaces, the spirit and scope for technical solution of the embodiment of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (7)
1. a kind of insulating tool earth detector, it includes the water tank for being equipped with opening above；The two sides of the water tank point
It She You not supporting leg；The crossbeam of horizontal distribution is equipped between the supporting leg；Corresponding conducting wire is equipped between the water tank and crossbeam；
The support rod connected by upright bar is equipped with below the crossbeam；The support rod is equipped with the magnetic of magnetic connection insulating tool
Item；The branch line of multiply and conductor in parallel is equipped with below the crossbeam；The branch line is resilient helical form；The branch line
End be equipped with magnetic adsorption plate.
2. a kind of insulating tool earth detector according to claim 1, it is characterized in that: the crossbeam erects on supporting leg
To being slidably connected；The both ends of the crossbeam are respectively equipped with the sliding block of protrusion；The supporting leg is equipped with vertical item corresponding with sliding block
Shape sliding slot；The crossbeam wherein one end sliding block be equipped with groove；The handle being rotatablely connected by pin shaft is equipped in groove；It is described
Pin shaft is vertically distributed, and handle can only horizontally rotate；Locating slot corresponding with handle there are two being set on the supporting leg；It is described two fixed
Position slot respectively corresponds the both ends of sliding slot.
3. a kind of insulating tool earth detector according to claim 1, it is characterized in that: the support rod is rectangular
Shape；The magnetic stripe is placed in the interior turning of support rod；The support rod and magnetic stripe are in horizontal distribution；The support rod be equipped with into
Water depth indication wire；The outside of the magnetic stripe is equipped with sheath.
4. a kind of insulating tool earth detector according to claim 1, it is characterized in that: being set respectively on the branch line
There are concatenated warning light or alarm device；The end of incoming cables of the crossbeam conducting wire is equipped with concatenated warning light or alarm device；The police
Report lamp using red glittering LED lamp, alarm device is using red glittering LED lamp and buzzer.
5. a kind of insulating tool earth detector according to claim 1, it is characterized in that: the magnetic adsorption plate includes one
Cylinder type hollow shell；Annular magnet is equipped in the shell；The centre of the magnet is equipped with copper elastic slice；The one of the elastic slice
End is fixedly connected with housing bottom, while being connect with branch line；The other end of the elastic slice is free end, and is higher by the outer of magnet
Surface.
6. a kind of insulating tool earth detector according to claim 2, it is characterized in that: the sheath is insulation shield
Set.
7. a kind of insulating tool earth detector according to claim 2 or 6, it is characterized in that: the sheath is according to such as
Lower technique is prepared: by 100 parts of acrylic resin, 15 parts of phenolic resin, 7 parts of polycarbonate, 2 parts of polyethylene wax, stearic acid 2
Part, 1 part of barium sulfate, 1 part of nano silica, 0.2 part of zinc oxide are put into mixing machine together, are stirred with the revolving speed of 200rpm
3min, is then added 20 parts and 5 parts of epoxidized soybean oil of trioctyl trimellitate (TOTM), stirs 10min with the revolving speed of 1000rpm, then rise
Temperature puts into 0.5 part of calcium carbonate to 100 DEG C, under heat-retaining condition, continues to stir 2min with the revolving speed of 1000rpm, then put into
Double-screw extruding pelletizing machine extruding pelletization, obtains masterbatch；Masterbatch is thrown into molding machine formed, sizing, traction, after cutting,
To obtain the final product；It is above parts by weight.
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