CN101692557A - Peeling method of insulated lead of distribution wire and peeling knife thereof - Google Patents
Peeling method of insulated lead of distribution wire and peeling knife thereof Download PDFInfo
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- CN101692557A CN101692557A CN200910197383A CN200910197383A CN101692557A CN 101692557 A CN101692557 A CN 101692557A CN 200910197383 A CN200910197383 A CN 200910197383A CN 200910197383 A CN200910197383 A CN 200910197383A CN 101692557 A CN101692557 A CN 101692557A
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- insulated conductor
- bark knife
- cutting
- tool rest
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- 238000000034 method Methods 0.000 title claims abstract description 25
- 238000009826 distribution Methods 0.000 title claims abstract description 22
- 238000005520 cutting process Methods 0.000 claims abstract description 101
- 238000009413 insulation Methods 0.000 claims abstract description 29
- 239000004020 conductor Substances 0.000 claims description 79
- 230000004888 barrier function Effects 0.000 claims description 35
- 210000003953 foreskin Anatomy 0.000 claims description 7
- 238000009740 moulding (composite fabrication) Methods 0.000 claims description 5
- 239000011435 rock Substances 0.000 claims description 4
- 230000000295 complement effect Effects 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 238000010438 heat treatment Methods 0.000 description 15
- 238000010276 construction Methods 0.000 description 11
- 229910000838 Al alloy Inorganic materials 0.000 description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
- 238000012423 maintenance Methods 0.000 description 6
- 239000004411 aluminium Substances 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 229910052782 aluminium Inorganic materials 0.000 description 5
- 239000004744 fabric Substances 0.000 description 4
- 239000011521 glass Substances 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 229910001315 Tool steel Inorganic materials 0.000 description 3
- 238000000137 annealing Methods 0.000 description 3
- 238000005485 electric heating Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000010445 mica Substances 0.000 description 3
- 229910052618 mica group Inorganic materials 0.000 description 3
- 229910052759 nickel Inorganic materials 0.000 description 3
- 238000013021 overheating Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 238000005452 bending Methods 0.000 description 2
- 239000010962 carbon steel Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
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- 239000012774 insulation material Substances 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
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Abstract
The invention relates to a peeling method of an insulated lead of a distribution wire and a peeling knife thereof. The peeling method adopts a jaw vice-shaped peeling knife, wherein the inside of a knife block of the peeling knife is provided with an upper knife block and a lower knife block which are arranged oppositely in vertical direction and can move relatively; symmetrical cambered concave cutting knife edges are formed on the side mouths of both knife blocks; the inner side of each knife block is provided with a single cutting knife edge; the cutting knife edges are connected with an electric hot plate to perform direct-current preheating for 8 to 10 minutes, and the temperature is controlled between 95 and 125 DEG C; and finally, the cutting knife edges are sleeved on a to-be-peeled insulated lead and are fed simultaneously through screwing a handle to cut in an insulation layer of the insulated lead and peel off the insulation layer. The peeling method has the advantages that the method not only improves the knife structure, but also switches on a direct current power supply to heat the cutting knife edges and cut the insulated lead through rotary feed; and at the same time, the insulation layer of the insulated lead is heated and softened during feed and a rotary knife body separates the insulation layer from the core of the insulated lead, thereby reducing the hardness of the insulation layer and facilitating the feeding, cutting and peeling off.
Description
Technical field
The present invention relates to a kind of construction tool of electric power system distribution line, particularly, the present invention relates to a kind of distribution line insulated conductor peeling method and bark knife thereof, described a kind of distribution line insulated conductor peeling method and bark knife thereof can be peeled off insulated conductor outer insulation foreskin easily, do not injure lead itself again.
Background technology
The developing direction of electric power system distribution line is an insulating.At present, the insulation rate of domestic electric power system distribution line is improving every year, and the insulating of distribution line has also all been carried out in the above city of some local level, and in continuous expansion.
Along with distribution line insulating rate improves constantly, the construction requirement of insulated conductor, mode are also in corresponding improve.Will use insulating cover as the outer naked part of metal, the broken Pi Chuyao of insulating barrier does water-impervious processing etc.Yet running into maximum problem in the construction of insulated conductor, maintenance is exactly the broken skin of line conductor insulating barrier.
In the past, in the construction of insulated conductor, maintenance, adopt traditional rotary peeling, but can there be some problems---the lead core shift, when divesting insulating barrier, be difficult to guarantee not damage wires, because the insulated conductor that present domestic most of insulated conductor production firm produces all exists core shift, insulating layer thickness, thin uneven problem.On the other hand, each power supply station is greatly developing cable line now, and general cable wire stripping all adopts manually to be finished, and the insulated hull of low-voltage cable is thinner, than being easier to stripping.If but when running into 10KV and above cable, insulated hull is not only thick but also hard, require great effort again during charge for cutting by hand, and influence attractive in appearancely again, especially to winter, when temperature was relatively lower, cable skin is more difficult to be peeled off.The insulated conductor lead peeler of the power line construction on the market can not overcome these problems again now, and this is main relevant with the structure of lead peeler.
In addition, also have such influencing factor: promptly, in the weather of lower temperature, insulating barrier hardness increases, and the existing power line construction is difficult to work, blade wiredrawn edge even with the lead peeler.Thereby cause the method for cutting firmly with electrician's knife in the construction sometimes, and be easy to the damage wires metal like this and partly cause a hidden trouble, and very dangerous.
In order to peel off the insulated conductor skin easily, do not injure lead itself again, the distribution line insulated conductor peeling method and the bark knife thereof that need a kind of novelty, described distribution line insulated conductor peeling method and bark knife thereof can carry out insulating barrier wire stripping easily to having core shift, insulating layer thickness, thin uneven insulated conductor, again can damage wires metal part, guarantee construction safety.
Summary of the invention
For achieving the above object, the invention provides a kind of distribution line insulated conductor peeling method, described distribution line insulated conductor peeling method improved while in addition on the structure of cutter, pass to DC power supply and make the heating of cutting knife blade, rotation feed cutting insulated conductor, simultaneously make wire insulation be subjected to thermal softening in the feed process, the rotation cutter hub makes insulating barrier break away from the lead core, peels off insulating barrier.Thus, reduced insulation layer hardness, feed, cutting convenience, thereby, can cooperate the operation of band point, line maintenance etc. easily.
Distribution line insulated conductor peeling method technical scheme of the present invention is as follows.
A kind of distribution line insulated conductor peeling method is characterized in that, uses a kind of insulated conductor bark knife, and described insulated conductor bark knife comprises:
The bark knife tool rest handle that the bark knife frame and of one " ㄇ " word flute profile is connected with frame,
Be provided with up and down opposed, relatively-movable up and down two tool rests in the bark knife frame of described " ㄇ " word flute profile; Above-mentioned up and down two tool rests form vice shape; Be used for placing up and down the lead for the treatment of the stripping foreskin in the middle of two tool rests; Two tool rest limit interruption-formings have symmetrical arc indent cutting knife blade up and down; Be used for cable wrap is carried out the feed of cross-directional; Inboard between two arc inner recess cutting knifes of described up and down two tool rests; Be provided with a monolithic cutting knife blade; Be used for cable wrap is carried out the longitudinally feed
But described bark knife tool rest handle helical rotation ground feed, so that described two tool rests up and down are toward or away from relatively;
Described two arc inner recess cutting knifes of two tool rest limit mouths up and down are connected electric hot plate with described monolithic cutting knife blade, the described two arc inner recess cutting knifes and the described monolithic cutting knife blade of two tool rest limit mouths were up and down carried out the direct current preheating 8～10 minutes, temperature is controlled at 95～125 ℃, after making that cutting knife blade temperature and wire insulation layer material are complementary, remove power supply, bark knife is set on the insulated conductor to be shelled, two tool rests down close, turn handle, and stopped 5～10 seconds, turn handle in the other direction, make the two arc inner recess cutting knifes that are formed at described two tool rest limit mouths up and down and the feed simultaneously of its inboard monolithic cutting knife blade is set, the incision insulated conductor insulating barrier, about slightly rock wire stripping and/or swing bark knife, make insulating barrier break away from the lead core, make insulating barrier break away from the lead core, withdraw from bark knife, peel off insulating barrier.
According to distribution line insulated conductor peeling method of the present invention, it is characterized in that two arc inner recess cutting knifes of described two tool rest limit mouths up and down and the setting configuration of inboard monolithic cutting knife blade therebetween form " worker " font.
According to distribution line insulated conductor peeling method of the present invention, it is characterized in that, described preheat temperature is controlled at 105～120 ℃, the time of preheating was controlled at 8～10 minutes, preheating the back adopts auxilliary battery pack to heat, make its working temperature that keeps about 95～105 ℃, do not make the outer fusing of insulated wire.
For achieving the above object, the present invention also provides a kind of distribution line insulated conductor bark knife, above-mentioned insulated conductor bark knife improved while in addition on the structure of cutter, pass to DC power supply and make the heating of cutting knife blade, rotation feed cutting insulated conductor, simultaneously make wire insulation be subjected to thermal softening in the feed process, the rotation cutter hub makes insulating barrier break away from the lead core, peels off insulating barrier.Thus, reduced insulation layer hardness, feed, cutting convenience, thereby, can cooperate the operation of band point, line maintenance etc. easily.
The insulated conductor bark knife technical scheme that the present invention carries is as follows.
A kind of insulated conductor bark knife, described insulated conductor bark knife comprises the wire stripping cutting knife, it is characterized in that, described insulated conductor bark knife also comprises:
The bark knife tool rest handle that the bark knife frame and of one " ㄇ " word flute profile is connected with frame,
Be provided with opposed, relatively-movable up and down two tool rests up and down in the bark knife frame of described " ㄇ " word flute profile, above-mentioned two tool rests up and down form vice shape, be used to place the lead for the treatment of the stripping foreskin in the middle of two tool rests up and down, two tool rest limit interruption-formings have the arc indent cutting knife blade of symmetry up and down, be used for cable wrap is carried out the feed of cross-directional, inboard between two arc inner recess cutting knifes of described two tool rests up and down, be provided with a monolithic cutting knife blade, be used for cable wrap is carried out the longitudinally feed;
But described bark knife tool rest handle connects described frame helical rotation ground feed, so that described two tool rests up and down are toward or away from relatively;
Described two arc inner recess cutting knifes of two tool rest limit mouths up and down are connected electric hot plate with described monolithic cutting knife blade.
According to insulated conductor bark knife of the present invention, pass to DC power supply and make the heating of cutting knife blade, simultaneously, rotation feed part, promote, push upper and lower tool rest, make the two arc inner recess cutting knifes that are formed at described two tool rest limit mouths up and down and the insulating barrier that insulated conductor is cut in the feed simultaneously of its inboard monolithic cutting knife blade is set, in the feed process, make wire insulation be subjected to thermal softening simultaneously, the rotation cutter hub makes insulating barrier break away from the lead core, peels off insulating barrier.Thus, reduced insulation layer hardness, feed, cutting are conveniently.
According to insulated conductor bark knife of the present invention, it is characterized in that, two arc inner recess cutting knifes of described two tool rest limit mouths up and down and the setting configuration of inboard monolithic cutting knife blade therebetween form " worker " font, promptly, two arc inner recess cutting knifes of described two tool rest limit mouths up and down form two limits up and down of " worker " font, it is perpendicular that the monolithic cutting knife blade that inboard between the two arc inner recess cutting knifes of described up and down two tool rest limit mouths is set forms the centre one of " worker " font, with the described vertical each other setting of two arc inner recess cutting knifes of two tool rest limit mouths up and down.
So be provided with, make the edge of a knife adopt " vertical cut ", on the radius of lead, blade carries out electric heating, and edge of a knife extruding breaks insulating barrier, other two the circular arc blades of the edge of a knife, and the ring cutting lead is controlled the degree of depth of the edge of a knife, not the damage wires core simultaneously.
According to insulated conductor bark knife of the present invention, it is characterized in that described blade hardness: 55 ~ 58HRC, described blade thickness: 2.2～2.5mm.
About blade: having taken all factors into consideration blade simultaneously and will have certain elasticity and toughness on the hardness of considering blade, is not hard more good more, because the high more antiwear property of hardness is also high more but fragility is also big more.Therefore, in clo Weir hardness 50S～60S, be about HRC55～HRC58 for this cutting knife blade Hardness Control.
According to insulated conductor bark knife of the present invention, it is characterized in that described blade is opened the sharp angle degree and is controlled at 30 °～45 °.
Open cutting edge of a knife or a sword, just be meant the ability that cuts of cutter.Control sharp cutting edge of a knife or a sword and volume cutter, just begin to consider from grinding step, except the hardness and toughness of blade, the angle of opening cutting edge of a knife or a sword is extremely important, and the knife edge is excessive to be unfavorable for cutting insulating barrier, and the knife edge is too small, be unfavorable for cutting and cut hard object, turned easily, so the sharp angle degree of opening of this cutting knife blade is controlled at 30 °～45 °.
According to insulated conductor bark knife of the present invention, it is characterized in that described blade tool rest is an aluminium alloy.
The bark knife tool rest adopts the aluminium alloy manufacturing, have in light weight, intensity height, characteristics such as it is fast to conduct heat, not yielding.The aluminium alloy that adopts has characteristics such as intensity height, fracture toughness is good, processing performance is good
Aluminium is in environment, and the surface can form layer oxide film naturally in air, have good corrosion resistance, and its density is about 1/3 of copper, has the good surface rational faculty, and at low temperatures, the embrittlement problem of carbon steel as none is so housing adopts aluminium alloy.
According to insulated conductor bark knife of the present invention, it is characterized in that described tool rest handle adopts the partiting thermal insulation rod.
Thus, guarantee construction safety.The partiting thermal insulation rod is the insulating element of using on a kind of electrical equipment, comprise the multilayer woven glass fabric that is superimposed together, be filled with organic silica gel between the glass fabric, bending strength height, heat resistance are good, has superior electric property, decay resistance, advantage such as light weight and engineering design are easy, flexible
According to insulated conductor bark knife of the present invention, it is characterized in that described electric hot plate selects for use nickel filament, natural mica, the coiling of high-quality aluminium sheet to form.
Thus, have insulation property good, heating evenly, advantage such as firing rate is fast.
According to insulated conductor bark knife of the present invention, it is characterized in that described blade adopts the tool steel of high-quality to make, and can stand 500 ° of high temperature through Overheating Treatment, can not annealing can not get rusty can not rupture, and blade exchange is simple and convenient.
According to insulated conductor bark knife of the present invention, it is characterized in that described upper cutter head and frame are fixed, described tool rest is down fixedlyed connected with the feed part that connects frame.
According to insulated conductor bark knife of the present invention, it is characterized in that, described employing main battery heating pre-heating temperature is controlled at below 130 ℃, the time of preheating was controlled in 10 minutes, preheating the back adopts auxilliary battery pack to heat, make its working temperature that keeps about 105 ℃, do not make the outer fusing of insulated wire.
The invention provides a kind of insulated conductor bark knife, above-mentioned insulated conductor bark knife improved while in addition on the structure of cutter, pass to DC power supply and make the heating of cutting knife blade, rotation feed cutting insulated conductor, simultaneously in the feed process, make wire insulation be subjected to thermal softening, the rotation cutter hub makes insulating barrier break away from the lead core, peels off insulating barrier.Thus, reduced insulation layer hardness, feed, cutting convenience, thereby, can cooperate the operation of band point, line maintenance etc. easily.
Description of drawings
Fig. 1 is the perspective view of insulated conductor bark knife of the present invention;
Fig. 2 is the stereogram of tool rest up and down of insulated conductor bark knife of the present invention;
Fig. 3 has the schematic diagram of stay-warm case for insulated conductor bark knife of the present invention;
Fig. 4 is for using the schematic perspective view of insulated conductor bark knife peeling wire insulation of the present invention.
Fig. 5 is another routine perspective view of insulated conductor bark knife.
Fig. 6 is the structure cutaway view of insulated conductor bark knife of the present invention.
Among the figure, 1 is the bark knife frame of " ㄇ " word flute profile, 2 is the bark knife tool rest handle that is connected with frame, 3,4 be respectively in the bark knife frame that described " ㄇ " word flute profile is set, opposed, relatively-movable upper and lower tool rest up and down, 5 is lead, and 6 is the wire insulation foreskin, and 7 for being formed at the arc indent cutting knife blade of two tool rest limit mouths up and down, 8 are interior monolithic cutting knife between the two arc inner recess cutting knifes that are arranged at described two tool rests up and down, and 9 is stay-warm case.
Embodiment
Below, with reference to accompanying drawing, lift specific embodiment, goodly explain insulated conductor bark knife of the present invention.
At first, make the insulated conductor bark knife, described insulated conductor bark knife also comprises: the bark knife tool rest handle 2 that the bark knife frame 1 and of one " ㄇ " word flute profile is connected with frame.Be provided with opposed, relatively-movable up and down two tool rests 3,4 up and down in the bark knife frame of described " ㄇ " word flute profile, above-mentioned two tool rests 3,4 up and down form vice shape.Should be used to place the lead 5 for the treatment of the stripping foreskin in the middle of two tool rests 3,4 up and down, two tool rest limit interruption-formings have the arc indent cutting knife blade 7 of symmetry up and down, are used for cable wrap 6 is carried out the feed of cross-directional.
Inboard between two arc inner recess cutting knifes 7,7 of described two tool rests up and down is provided with a monolithic cutting knife blade 8, is used for cable wrap is carried out the longitudinally feed.But described bark knife tool rest handle connects the feed of described frame helical rotation, so that described two tool rests up and down are toward or away from relatively.Described two arc inner recess cutting knifes of two tool rest limit mouths up and down are connected electric hot plate with described monolithic cutting knife blade.
Two arc inner recess cutting knifes of described two tool rest limit mouths up and down and the setting configuration of inboard monolithic cutting knife blade therebetween form " worker " font, promptly, two arc inner recess cutting knifes of described two tool rest limit mouths up and down form two limits up and down of " worker " font, it is perpendicular that the monolithic cutting knife blade that inboard between the two arc inner recess cutting knifes of described up and down two tool rest limit mouths is set forms the centre one of " worker " font, with the described vertical each other setting of two arc inner recess cutting knifes of two tool rest limit mouths up and down.
In the present embodiment, described blade hardness: 55～58HRC, described blade thickness: 2.2～2.5mm.Described blade is opened the sharp angle degree and is controlled at 30 °～45 °, wide 3.6mm.
In the present embodiment, described blade tool rest is an aluminium alloy.The bark knife tool rest adopts the aluminium alloy manufacturing, have in light weight, intensity height, characteristics such as it is fast to conduct heat, not yielding.The aluminium alloy that adopts has characteristics such as intensity height, fracture toughness is good, processing performance is good.Aluminium is in environment, and the surface can form layer oxide film naturally in air, have good corrosion resistance, and its density is about 1/3 of copper, has the good surface rational faculty, and at low temperatures, the embrittlement problem of carbon steel as none is so housing adopts aluminium alloy.
In the present embodiment, described tool rest handle adopts the partiting thermal insulation rod.The partiting thermal insulation rod is the insulating element of using on a kind of electrical equipment, comprise the multilayer woven glass fabric that is superimposed together, be filled with organic silica gel between the glass fabric, bending strength height, heat resistance are good, has superior electric property, decay resistance, advantage such as light weight and engineering design are easy, flexible
In the present embodiment, described electric hot plate selects for use nickel filament, natural mica, the coiling of high-quality aluminium sheet to form.Described blade adopts the tool steel of high-quality to make, and can stand 500 ° of high temperature through Overheating Treatment, and can not annealing can not get rusty can not rupture, and blade exchange is simple and convenient.The lithium battery data are as follows: 24V/10AH high-performance lithium ion battery group; normal capacity: 10AH; normal voltage: 24V; cycle life: 〉=500 times (residual capacity 〉=90%), the charging interval: 8 hours, overvoltage protection: 29.4V; under-voltage protection: 21V; overcurrent protection: 30A, weight: 2.6kg ± 100g, size: 97 * 146 * 205.
In the present embodiment, described upper cutter head and frame are fixed, and described tool rest is down fixedlyed connected with the feed part that connects frame.
The edge of a knife adopts " vertical cut ", and on the radius of lead, blade carries out electric heating, and edge of a knife extruding breaks insulating barrier, other two the circular arc blades of the edge of a knife, and the ring cutting lead is controlled the degree of depth of the edge of a knife, not the damage wires core simultaneously.
According to bark knife of the present invention, it is characterized in that described employing main battery heating pre-heating temperature was controlled at 8-10 minute, temperature is controlled at 95-125 ℃, preheat the back and adopt auxilliary battery pack to heat, make its working temperature that keeps about 105 ℃, do not make the outer fusing of insulated wire.
Concrete use:
1, the battery connecting line is received on the proprietary socket of bark knife.The lithium battery DC heating.
2, bark knife preheating generally needed about 10 minutes, was heated to wire insulation material behavior phase matching temperature to get final product.
3, the power line on the electric heating bark knife is pulled out.
4, this bark knife is set on the insulated conductor to be shelled, turns handle, the tool rest of activity is slowly closed, make two tool rests and on, and stopped 5 ~ 10 seconds.
Turn in the other direction handle 3-4 circle, slightly rock swing bark knife behind the bark knife earlier, make insulating barrier disengaging lead core to correct position.Promptly, make the heating of cutting knife blade owing to pass to DC power supply, wire insulation is subjected to thermal softening, therefore, after turning handle 3-4 circle, by about slightly rock bark knife and swing bark knife, can reach promotion, push upper and lower tool rest, make the two arc inner recess cutting knifes that are formed at described up and down two tool rest limit mouths and the purpose that its inboard monolithic cutting knife blade cuts the insulating barrier of insulated conductor simultaneously be set.The rotation cutter hub makes insulating barrier break away from the lead core, peels off insulating barrier.
5, withdraw from bark knife, insulated hull drops easily.The stripping dry is clean, smooth.So complete insulated conductor wiring openning has just been finished.
In use just can not adjust voluntarily as the discovery blade position, the blade model can be changed according to the stripping wire gauge.
Temperature is the physical quantity that characterizes the cold and hot degree of object.For example: in summer, temperature is than higher, and insulated hull heats just soft a little, if temperature is too high, causes the insulating barrier fusing to stick on the metal, and is difficult on the contrary.In winter, temperature is low, if heating is not enough, insulating barrier can not be fully softening, is unfavorable for that cutting peels off insulating barrier, so the adjustability of temperature and suitable control are exactly emphasis.
Advantages such as in the present embodiment, electric hot plate is the special-purpose heating board of bark knife, adopts import nickel filament, natural mica, the coiling of high-quality aluminium sheet to form, and has insulation property good, and heating is even, and firing rate is fast.
In the present embodiment, blade adopts the tool steel of high-quality to make, and can stand 500 ° of high temperature through Overheating Treatment, and can not annealing can not get rusty can not rupture, and blade exchange is simple and convenient.
In the present embodiment, just begin to consider from grinding step, except the hardness and toughness of blade, the angle of opening cutting edge of a knife or a sword is extremely important, and the knife edge is excessive to be unfavorable for cutting insulating barrier, and the knife edge is too small, be unfavorable for cutting and cut hard object, turned easily, so the sharp angle degree of opening of this cutting knife blade is controlled at 30 ° ~ 45 °, wide 3.6mm.
In the present embodiment, the frame housing adopts aluminium alloy.
Described insulated conductor bark knife outer cover is with a stay-warm case when using, in the hope of add thermally-stabilised outside, other make and use the insulated conductor bark knife as embodiment 1.
According to insulated conductor bark knife of the present invention, pass to DC power supply and make the heating of cutting knife blade, rotation feed cutting insulated conductor makes wire insulation be subjected to thermal softening in the feed process simultaneously, and the rotation cutter hub makes insulating barrier break away from the lead core, peels off insulating barrier.Thus, reduced insulation layer hardness, feed, cutting convenience, thereby, can cooperate the operation of band point, line maintenance etc. easily.In addition, its structure is small and exquisite flexibly, is convenient to construction, particularly high-altitude construction, and charging is convenient, is easy to carry.
Claims (9)
1. a distribution line insulated conductor peeling method is characterized in that, uses a kind of insulated conductor bark knife, and described insulated conductor bark knife comprises:
The bark knife tool rest handle (2) that the bark knife frame (1) and of one " ㄇ " word flute profile is connected with frame,
Be provided with opposed, relatively-movable up and down two tool rests (3 up and down in the bark knife frame (1) of described " ㄇ " word flute profile, 4), above-mentioned two tool rests up and down form vice shape, be used to place the lead (5) for the treatment of the stripping foreskin in the middle of two tool rests up and down, two tool rest limit interruption-formings have the arc indent cutting knife blade (7) of symmetry up and down, be used for cable wrap is carried out the feed of cross-directional
Inboard between two arc inner recess cutting knifes of described two tool rests up and down, be provided with a monolithic cutting knife blade (8), be used for cable wrap is carried out the longitudinally feed, but the ground feed of described bark knife tool rest handle helical rotation, so that described two tool rests up and down are toward or away from relatively;
Described two arc inner recess cutting knifes of two tool rest limit mouths up and down are connected electric hot plate with described monolithic cutting knife blade, the described two arc inner recess cutting knifes and the described monolithic cutting knife blade of two tool rest limit mouths were up and down carried out the direct current preheating 8～10 minutes, temperature is controlled at 95～125 ℃, after making that cutting knife blade temperature and wire insulation layer material are complementary, remove power supply, bark knife is set on the insulated conductor to be shelled, two tool rests down close, turn handle, and stopped 5～10 seconds, turn handle in the other direction, make the two arc inner recess cutting knifes that are formed at described two tool rest limit mouths up and down and the feed simultaneously of its inboard monolithic cutting knife blade is set, the incision insulated conductor insulating barrier, about slightly rock wire stripping and/or swing bark knife, make insulating barrier break away from the lead core, make insulating barrier break away from the lead core, withdraw from bark knife, peel off insulating barrier.
2. distribution line insulated conductor peeling method as claimed in claim 1 is characterized in that, two arc inner recess cutting knifes of described two tool rest limit mouths up and down and the setting configuration of inboard monolithic cutting knife blade therebetween form " worker " font.
3. distribution line insulated conductor peeling method as claimed in claim 1, it is characterized in that described preheat temperature is controlled at 105～120 ℃, preheat the back and adopt auxilliary battery pack to heat, make its working temperature that keeps about 95～105 ℃, do not make the outer fusing of insulated wire.
4. insulated conductor bark knife, described insulated conductor bark knife comprises the wire stripping cutting knife, it is characterized in that, described insulated conductor bark knife also comprises:
The bark knife tool rest handle (2) that the bark knife frame (1) and of one " ㄇ " word flute profile is connected with frame,
Be provided with opposed up and down in the bark knife frame (1) of described " ㄇ " word flute profile, relatively-movable two tool rests (3 up and down, 4), above-mentioned two tool rests up and down form vice shape, be somebody's turn to do two tool rests (3 up and down, 4) be used to place the lead (5) for the treatment of the stripping foreskin in the middle of, two tool rest limit interruption-formings have the arc indent cutting knife blade (7) of symmetry up and down, be used for cable wrap is carried out the feed of cross-directional, inboard between two arc inner recess cutting knifes of described two tool rests up and down, be provided with a monolithic cutting knife blade (8), be used for cable wrap is carried out the longitudinally feed;
But described bark knife tool rest handle connects the feed of described frame helical rotation, so that described two tool rests up and down are toward or away from relatively;
Described two arc inner recess cutting knifes of two tool rest limit mouths up and down are connected electric hot plate with described monolithic cutting knife blade.
5. insulated conductor bark knife as claimed in claim 4, it is characterized in that, the two arc inner recess cutting knifes of described two tool rest limit mouths up and down and the configuration of its inboard monolithic cutting knife blade that is provided with form " worker " font, that is, two arc inner recess cutting knifes of described up and down two tool rest limit mouths with its inboard vertical each other setting of monolithic cutting knife blade is set.
6. insulated conductor bark knife as claimed in claim 4 is characterized in that, described blade hardness: 55～58HRC, described blade thickness: 2.2～2.5mm.
7. insulated conductor bark knife as claimed in claim 4 is characterized in that, described blade is opened the sharp angle degree and is controlled at 30 °～45 °.
8. insulated conductor bark knife as claimed in claim 4 is characterized in that, described tool rest handle adopts the partiting thermal insulation rod.
9.. insulated conductor bark knife as claimed in claim 4 is characterized in that, described insulated conductor bark knife is outside equipped with stay-warm case.
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| CN2009101973835A CN101692557B (en) | 2009-10-20 | 2009-10-20 | Peeling method of insulated lead of distribution wire and peeling knife thereof |
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| CN2009101973835A CN101692557B (en) | 2009-10-20 | 2009-10-20 | Peeling method of insulated lead of distribution wire and peeling knife thereof |
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| CN101692557A true CN101692557A (en) | 2010-04-07 |
| CN101692557B CN101692557B (en) | 2011-07-06 |
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| CN105790168A (en) * | 2016-03-21 | 2016-07-20 | 合肥科烨电物理设备制造有限公司 | Method for removing conductor armor on scene without damage |
| CN105790168B (en) * | 2016-03-21 | 2017-07-04 | 合肥科烨电物理设备制造有限公司 | A kind of method of the lossless removal conductor armor in scene |
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| CN107946874A (en) * | 2017-11-18 | 2018-04-20 | 刘梦思 | A kind of quick apparatus for peeling off of power construction electric wire |
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| CN112490954A (en) * | 2020-11-20 | 2021-03-12 | 国网安徽省电力有限公司电力科学研究院 | Rotary cutting type self-adaptive method for stripping off insulating layer of eccentric insulated conductor |
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| CN115275652B (en) * | 2022-09-26 | 2022-12-20 | 国网浙江余姚市供电有限公司 | Automatic wire stripping drainage wire lapping device and control method thereof |
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