CN102035152A - Intermediate skinner for 24KV insulated cable - Google Patents

Intermediate skinner for 24KV insulated cable Download PDF

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Publication number
CN102035152A
CN102035152A CN2009101963918A CN200910196391A CN102035152A CN 102035152 A CN102035152 A CN 102035152A CN 2009101963918 A CN2009101963918 A CN 2009101963918A CN 200910196391 A CN200910196391 A CN 200910196391A CN 102035152 A CN102035152 A CN 102035152A
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China
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blade
semicircular cylinder
chamfering
lamellar body
peeling
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CN102035152B (en
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王顺年
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Wang Shunnian
State Grid Corp of China SGCC
Shanghai Municipal Electric Power Co
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Individual
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Abstract

The invention discloses an intermediate skinner for a 24KV insulated cable, which comprises a cutter shell, a skinning cutter, two chamfering cutters and an operating handle, wherein the cutter shell comprises an upper cutter shell and a lower cutter shell which are articulated at one ends. The intermediate skinner adopts a skinning blade in a plough structure; and three blades are operated in sequence, wherein the accessory blade cuts an insulating layer first, the main blade tears the rest uncut part after the accessory blade cuts in the insulating layer, and the distance between the cutting depth of three blades and a cable core line is 0.5-0.7mm so as to achieve the aim of not damaging the cable core line. The skinner can perfectly skin off the insulating layer of the cable just by applying little force, finish the four processes of extrusion, displacement, breakage and separation of the insulating layer of the cable once and reach perfect skinning degree. The skinner also has the chamfering function, is convenient for binding up without water seepage or electric leakage after overlapping, reduces or eliminates the energy consumption of the overlapping end and has the energy saving effect.

Description

The middle peeler that is used for the 24KV insulated cable
Technical field
The present invention relates to a kind of external insulation layer exfoliation tool of cable, particularly a kind of middle peeler that is used for the 24KV insulated cable.
Background technology
At present the peeling tool that uses in electric power system is in the peeling stage based on electrician's knife, and construction team with good conditionsi is equipped with also that " alcohol blast burner " softening cable surface is capable again to be peeled off, and both takes a lot of work, time-consuming, has potential safety hazard simultaneously.No matter some peeler is import or homemade in addition, only have only the function of " cutting " and do not have the function of " stripping ", peel off an intermediate insulating layer at every turn, often need constantly to regulate the depth of cut, one cutter, one cutter is cut inward, peel off the cable insulation of one section 12cm, need ten minutes time at least.The greatest drawback that also has this class peeler is to avoid the problem of the axiality difference of the insulating barrier of cable and cable core.This class peeler be with the insulating outer layer of cable as cutting the stripping benchmark, and do not consider that cable core and insulating outer layer are this key issues of decentraction, can hardly be avoided so this class peeler injures cable core.Cable core will be in case damage will be drawn following problem: 1. cable uses in making somebody a mere figurehead in the open, be subjected to variation of ambient temperature very big, in case expand with heat and contract with cold, even surface tear, because the stress of material, at winter or high latitude area, because of the generation of shrinkage phenomenon, scratching part will snap because of shrinkage.2. poor owing to axiality when cutting stripping, Yi Bian also all peelings, the heart yearn of another side is cut off.More than the consequence of two problems be that resistance increases, energy consumption also increases; The annual energy consumption that only produces on the overlap joint tieing is being cut loss in the stripping overlap joint heart yearn greatly in the whole country.
The present invention is me, and (number of patent application is: 200810032827.5) afterwards at the another invention of 24KV insulated cable centre peeling difficulty having invented " middle the stripping tool that is used for cable " as one of inventor at peeling tool in the middle of the 10KV insulated cable before.According to the characteristic of cross-linked rubber and the thickness of different insulative layer, designed corresponding angle, width, length etc. and be easy to peeler in the middle of the 24KV insulated cable.Though 10KV insulated cable and 24KV insulated cable are all the city aerial insulated cable, because its electric pressure difference, the thickness of the insulating barrier of 24KV insulated cable is a times of 10KV insulated cable, reach 6mm, the use of 24KV insulated cable is in China's starting stage only, and the 24KV insulated cable has advantages such as the energy consumption of falling than the 10KV insulated cable aspect power transmission and distribution.
Summary of the invention
The objective of the invention is provides a kind of middle peeler of the 24KV of being used for insulated cable in order to overcome the deficiencies in the prior art, and it makes when cutting the stripping cable insulation more brisk smooth and easy according to the characteristics and the application scenario of 24KV aerial insulated cable insulating layer thickness.
The technical scheme that realizes above-mentioned purpose is: a kind of middle peeler of the 24KV of being used for insulated cable, comprise that a cutter shell, removes the peel blade, two chamfering blades and an operating grip, and described cutter shell comprises upper slitter shell that front end is connected through the hinge and cutter shell once; Described upper slitter shell comprises first first semicircular cylinder that links to each other of radial end face tail, second semicircular cylinder and goes up plywood, offer a peeling knife slotted eye on the side face of described first semicircular cylinder, offer the rose reamer slotted eye on the side face of described second semicircular cylinder, described upward plywood is the extension flat board of the radial end face tail end of second semicircular cylinder, and its tail end center is provided with a upper groove; Described cutter shell down comprises that first the 3rd semicircular cylinder that links to each other of radial end face tail, the 4th semicircular cylinder reach plywood down, the diameter of described the 3rd semicircular cylinder and the 4th semicircular cylinder is corresponding with the diameter of first semicircular cylinder of upper slitter shell and second semicircular cylinder respectively, described plywood down is the extension flat board of the radial end face tail end of the 4th semicircular cylinder, its tail end center be provided with one with the corresponding low groove of upper groove of last plywood, on the lateral surface of two side channel arms of this low groove, be provided with the articulated section; Described peeling blade be installed on the hole wall of peeling knife slotted eye of first semicircular cylinder and the oblique inner chamber that extend into the peeling knife shell of its blade in; Described two chamfering blades are left and right sides chamfering blade and left chamfering blade, and the identical and blade of their structures is installed on the hole wall of rose reamer slotted eye of second semicircular cylinder symmetrically; Described operating grip comprise that one handle, is connected that handle upper end and middle part are provided with the articulated section and top be provided with the pressing plate of pressing body and two ends respectively with pressing plate and the pivotally connected connecting plate of plywood down; After closing lid, described upper slitter shell and following cutter shell make first semicircular cylinder and the 3rd semicircular cylinder become the peeling cylindrical shell of a full circle, second semicircular cylinder and the 4th semicircular cylinder become the chamfering cylindrical shell of a full circle, last plywood and following plywood become one and close tight plate, pressing plate on the described operating grip is replaced on last plywood and is closed tight plate with pinning, wherein
The inner surface of described the 3rd semicircular cylinder is provided with the right-handed thread that helical angle is ε;
Described peeling blade comprises the peeling knife lamellar body of a four-prism and is located at main cutting edge and front cutting edge on this peeling knife lamellar body, described two front cutting edges are located at the both sides of the first half of peeling knife lamellar body symmetrically, their blade tip vertically is positioned at the both sides front end of peeling knife lamellar body respectively, this two front cutting edge be respectively by the two sides of peeling knife lamellar body and respectively from the upper surface of peeling knife lamellar body with from its blade tip backward and the rip cutting bevel of the mode down-cutting of the locking angle that slopes inwardly constitute, and the two sides of the described formation two front cutting edges relief angle β that slopes inwardly from the upper surface of peeling knife lamellar body respectively, two rip cutting bevels of the described formation two front cutting edges anterior angle γ that slopes inwardly from the upper surface of peeling knife lamellar body; Described main cutting edge is between the rip cutting bevel of described two front cutting edges, its blade tip is stepped back blade tip one segment distance in two front cutting edges horizontal and straightly, it be by the bottom surface of peeling knife lamellar body and one with from its blade tip backward and the crosscut bevel that cuts of the mode of the angle of wedge δ that is inclined upwardly constitute;
It is in the oblique inner chamber that extend into the peeling cylindrical shell of the mode of ε that the blade tip of the main cutting edge of described peeling blade becomes angle with the axis with the peeling cylindrical shell, and the degree of depth that extend into the inner chamber of peeling cylindrical shell is that the thickness of cable insulation deducts 0.5~0.7mm;
Rose reamer slotted eye on the described second semicircular cylinder side face has two, is provided with at interval and in parallel respectively;
Described second semicircular cylinder then correspondingly studs with half baffle ring in addition at the corresponding baffle ring of thickness that studs with half thickness and described cable insulation on the inner surface between the two chamfering slotted eyes on the inner surface of described the 4th semicircular cylinder;
Described right chamfering blade and left chamfering blade comprise the rose reamer lamellar body of a four-prism respectively and are positioned at the blade of rose reamer lamellar body first half;
The blade of described right chamfering blade is made of a upper right inclined-plane and inclined-plane, a bottom right, described upper right inclined-plane is by forming to the upper surface cutting back of rose reamer lamellar body from the forward terminal of the crossing rib of the lower surface of rose reamer lamellar body and the left surface mode with the wedge angle that tilts, inclined-plane, described bottom right be by from the forward terminal of the lower surface of cutter blade and the crossing rib of left surface be somebody's turn to do on the crossing rib apart from forming after the forward terminal s mode side cut to the right of some lines with the wedge angle that tilts far away;
The blade of described left chamfering blade is made of a upper left inclined-plane and inclined-plane, a lower-left, described upper left inclined-plane is by forming to the upper surface cutting back of rose reamer lamellar body from the forward terminal of the crossing rib of the lower surface of rose reamer lamellar body and the right flank mode with the wedge angle that tilts, inclined-plane, described lower-left be by from the forward terminal of the lower surface of cutter blade and the crossing rib of right flank be somebody's turn to do on the crossing rib apart from forming after the forward terminal s mode side cut left of some lines with the wedge angle that tilts far away;
The inclined-plane, bottom right of described right chamfering blade and the inclined-plane, lower-left of left chamfering blade are β to the upper surface of the rose reamer lamellar body relief angle that tilts respectively;
The blade tip of described right chamfering blade and left chamfering blade extend in the inner chamber of chamfering cylindrical shell, and the degree of depth that extend into the chamfering cylinder lumen is that the thickness of described baffle ring deducts 0.1mm;
On the twisted axis of described hinge stage clip is installed;
Be provided with many muscle ribs on the outer surface of described cutter shell down spaced radial.
The above-mentioned middle peeler that is used for the 24KV insulated cable, wherein, the described groove bottom that goes up the upper groove of plywood is provided with a magnet piece.
The above-mentioned middle peeler that is used for the 24KV insulated cable, wherein, it is h=1.5~2.5mm that the blade tip of the main cutting edge of described peeling blade is stepped back in the distance of the blade tip of two front cutting edges; Described s is 1/3rd of a rose reamer lamellar body length overall.
The above-mentioned middle peeler that is used for the 24KV insulated cable, wherein, described locking angle=6 °~10 °; Described relief angle β=1 °~1 ° 30 '; Described anterior angle γ=1 °~1 ° 30 '; Described angle of wedge δ=35 °~40 °
The above-mentioned middle peeler that is used for the 24KV insulated cable, wherein, described s is 1/3rd of a rose reamer lamellar body length overall.
The above-mentioned middle peeler that is used for the 24KV insulated cable wherein, also comprises chamfering guiding handle, and this chamfering guiding handle is connected to second semicircular cylinder with the 4th semicircular cylinder left end and can close the semicircular cylinder that covers into an integral barrel and constitute by two one ends.
The above-mentioned middle peeler that is used for the 24KV insulated cable, wherein, described cutter shell is formed by duralumin, hard alumin ium alloy LY12 microdiecast.
The above-mentioned middle peeler that is used for the 24KV insulated cable, wherein, the material of described peeling blade and chamfering blade is the high cobalt alloy steel.
The above-mentioned middle peeler that is used for the 24KV insulated cable is characterized in that described handle material is rubber or plastic cement, and its outer surface is a matsurface.
The technical scheme that is used for the middle peeler of 24KV insulated cable of the present invention, adopt the peeling blade of plow structure, having three swords successively works, cut insulating barrier earlier with front cutting edge, main cutting edge is torn remaining part of not isolating again after the front cutting edge incision, and the cutting depth of three swords all leaves cable core about 0.5~0.7mm, thereby reaches the purpose that does not injure cable core.As long as this peeler imposes on very little power, just the insulating barrier of cable perfectly can be peeled off, with insulating barrier extruding, displacement, the fracture of cable, separate these four process one gas and finish, reach perfectly " exploitation " degree.This peeler has the chamfering function again simultaneously, be convenient to overlap the back wrapping and do not seep water, leakproof, reduced or eliminated the energy consumption of bond end, have energy-saving effect.This tool operation letter cutting is brisk, and cutter must not regulated, and is less demanding to operative skill.Peeling blade and chamfering blade are all selected existing certain toughness for use, and harder again high cobalt alloy is made cutter material, so not high to the environmental requirement of cross-linked rubber, regardless of the soft or hard degree of cross-linked rubber, the cutting high-performance is constant.The design of this cutter all is built-in, and blade is all in the inner walls part, and is safer to the workmen during construction.Use peeler of the present invention, can shorten construction period greatly, whole stripping process about tens seconds to one minute, is a typical " fool " instrument only.
Description of drawings
Fig. 1 is the front view that is used for the middle peeler of 24KV insulated cable of the present invention;
Fig. 2 is the end view that is used for the middle peeler of 24KV insulated cable of the present invention;
Fig. 3 is the expanded view that is used for the middle peeler of 24KV insulated cable of the present invention;
Fig. 4 is the perspective view of the upper slitter shell of the middle peeler that is used for the 24KV insulated cable of the present invention;
Fig. 5 is the perspective view of the following cutter shell of the middle peeler that is used for the 24KV insulated cable of the present invention;
Fig. 6 a, Fig. 6 b and Fig. 6 c are respectively the A-A profile among front view, cutaway view and Fig. 6 a of middle peeler peeling blade of the 24KV of being used for insulated cable of the present invention;
Fig. 7 a, Fig. 7 b are respectively the middle peeler right side of the 24KV of being used for insulated cable of the present invention, the front view of left chamfering blade;
Fig. 8 a, Fig. 8 b are respectively the middle peeler right side of the 24KV of being used for insulated cable of the present invention, the end view of left chamfering blade.
Fig. 9 a, Fig. 9 b are respectively the middle peeler right side of the 24KV of being used for insulated cable of the present invention, the vertical view of left chamfering blade.
Embodiment
In order to understand technical scheme of the present invention better, below by embodiment particularly and be described in detail in conjunction with the accompanying drawings:
See also Fig. 1 to Fig. 5, the middle peeler that is used for the 24KV insulated cable of the present invention comprises a cutter shell 1, a peeling blade 2, two chamfering blades, an operating grip 4 and chamfering guiding handle 5, wherein,
Cutter shell 1 comprises upper slitter shell 11 that an end connects by hinge 8 and cutter shell 12 once, and it is formed by duralumin, hard alumin ium alloy LY12 microdiecast; On the twisted axis of hinge 8 stage clip is installed;
Offer a peeling knife slotted eye 1110 on the side face that upper slitter shell 11 comprises first first semicircular cylinder 111, second semicircular cylinder 112 that links to each other of radial end face tail and goes up plywood 113, the first semicircular cylinders 11; Offer two rose reamer slotted eyes 1120 on the side face of second semicircular cylinder 112 at interval and in parallel; Last plywood 113 is extension flat boards of the radial end face tail end of second semicircular cylinder 112, and its tail end center is provided with a upper groove 1130, and a magnet piece 6 is installed on the bottom surface of this upper groove 1130; Second semicircular cylinder 112 is at the corresponding baffle ring 7 of thickness that studs with half thickness and cable insulation on the inner surface between the two chamfering slotted eyes 1120;
Following cutter shell 12 comprises that the inner surface of first the 3rd semicircular cylinder 121, the 4th semicircular cylinder 122 and following plywood 123, the three semicircular cylinders 121 that link to each other of radial end face tail is provided with the right-handed thread that helical angle is ε; The diameter of the 3rd semicircular cylinder 121 and the 4th semicircular cylinder 122 is corresponding with the diameter of first semicircular cylinder 111 of upper slitter shell 11 and second semicircular cylinder 112 respectively; Following plywood 123 is extension flat boards of the radial end face tail end of the 4th semicircular cylinder 122, its tail end center be provided with one with the upper groove 1130 corresponding low grooves 1230 of last plywood 113, on the lateral surface of two side channel arms of this low groove 1230, be provided with articulated section 1231; On the inner surface of the 4th semicircular cylinder 122 with second semicircular cylinder, 112 inner surfaces on half baffle ring 7 correspondingly stud with in addition half baffle ring 7; Be provided with many muscle ribs 124 on the outer surface of following cutter shell 12 spaced radial, can make the weight saving of peeler and can play the effect of reinforcement, simultaneously again can economical with materials;
After closing lid, upper slitter shell 11 and following cutter shell 12 make first semicircular cylinder 111 and the 3rd semicircular cylinder 121 become the peeling cylindrical shell 110 of a full circle, second semicircular cylinder 112 and the 4th semicircular cylinder 122 become the chamfering cylindrical shell 120 of a full circle, and last plywood 113 and following plywood 123 become one and close tight plate 130;
Peeling blade 2 usefulness screws are installed on the hole wall of peeling knife slotted eye 1110 of first semicircular cylinder 111, it comprises the peeling knife lamellar body 20 of a four-prism and is located at main cutting edge 21 and front cutting edge 22 (see also Fig. 1 and see also Fig. 6 a to Fig. 6 c) on this peeling knife lamellar body 20, wherein
Two front cutting edges 22 of peeling blade 2 are located at the both sides of the first half of peeling knife lamellar body 20 symmetrically, their blade tip 220 vertically is positioned at the both sides front end of peeling knife lamellar body 20 respectively, this two front cutting edge 22 be respectively by the two sides of peeling knife lamellar body 20 and respectively from the upper surface of peeling knife lamellar body 20 with from its blade tip 220 backward and the rip cutting bevel of the mode down-cutting of the locking angle that slopes inwardly constitute, and the two sides 221 that the constitute two front cutting edges 22 relief angle β that slopes inwardly from the upper surface of peeling knife lamellar body 20 respectively, the two rip cutting bevels 222 that the constitute two front cutting edges 22 anterior angle γ that slopes inwardly from the upper surface of peeling knife lamellar body 20; Locking angle=6 °~10 ° wherein, relief angle β=1 °~1 ° 30 ', anterior angle γ=1 °~1 ° 30 ';
Main cutting edge 21 is between the rip cutting bevel 222 of two front cutting edges 22, its blade tip 210 is stepped back blade tip 220 1 segment distances in two front cutting edges 22 horizontal and straightly, this distance is h=1.5~2.5mm, so that front cutting edge 22 cuts insulating barrier earlier, main cutting edge 21 is torn remaining part of not isolating again after front cutting edge 22 incisions; Main cutting edge 21 be by the bottom surface 200 of peeling knife lamellar body 20 and one with from its blade tip 210 backward and the crosscut bevel 201 that cuts of the mode of the angle of wedge δ that is inclined upwardly constitute; Angle of wedge δ=35 °~40 °.
Also offer a waist shape installing hole 23 on the latter half of end face of peeling knife lamellar body 20, extend into the depth in the inner chamber of peeling cylindrical shell 110 (see figure 3)s by this waist shape installing hole 23 scalable peeling blade 2.
See also Fig. 7 a to Fig. 9 b again, two chamfering blades comprise right chamfering blade 3 and left chamfering blade 3 ', identical and the blade of their structures is symmetrical arranged, they comprise the rose reamer lamellar body 30,30 ' and be positioned at the blade 31,31 ' of rose reamer lamellar body 30,30 ' first half of a four-prism respectively, also offer a waist shape installing hole 32,32 ' on the latter half of upper and lower surface of rose reamer lamellar body 30,30 ', wherein
The blade 31 of right chamfering blade 3 is made of a upper right inclined-plane 311 and inclined-plane, a bottom right 312, upper right inclined-plane 311 is by forming to the upper surface cutting back of rose reamer lamellar body 30 in the mode of the wedge angle that tilts from the forward terminal A of the crossing rib of the lower surface of rose reamer lamellar body 30 and left surface, inclined-plane, bottom right 312 be by from the forward terminal A of the lower surface of rose reamer lamellar body 30 and the crossing rib of left surface be somebody's turn to do on the crossing rib apart from forming after the forward terminal s mode side cut to the right of 1 B line with the wedge angle that tilts far away;
The blade 31 ' of left side chamfering blade 3 ' is made of a upper left inclined-plane 311 ' and inclined-plane, a lower-left 312 ', upper left inclined-plane 311 ' is by forming to the upper surface cutting back of rose reamer lamellar body 30 ' in the mode of the wedge angle that tilts from the forward terminal A ' of the crossing rib of the lower surface of rose reamer lamellar body 30 ' and right flank, inclined-plane, lower-left 312 ' be by from the forward terminal A ' of the lower surface of rose reamer lamellar body 30 ' and the crossing rib of right flank be somebody's turn to do on the crossing rib apart from forming after the forward terminal s mode side cut left of 1 B ' line with the wedge angle that tilts far away;
The inclined-plane, bottom right 312 of right chamfering blade 3 and the inclined-plane, lower-left 312 ' of left chamfering blade 3 ' are β to rose reamer lamellar body 30,30 ' the upper surface relief angle that tilts respectively.
Wedge angle is that the 24KV insulated cable is at the chamfer angle that divests end, intermediate insulating layer rear end insulating barrier; Relief angle β=1 °~1 ° 30 '; S is 1/3rd of rose reamer lamellar body 30, a 30 ' length overall.
Two chamfering blades 3,3 ' are installed on the hole wall of rose reamer slotted eye 1120 of second semicircular cylinder 112 symmetrically, its blade extend in the inner chamber of chamfering cylindrical shell 120, and its blade tip becomes the angle theta of required chamfer angle with the cross section of chamfering cylindrical shell 120, and the degree of depth that extend into chamfering cylindrical shell 120 inner chambers is that the thickness of baffle ring 7 deducts 0.1mm;
Peeling blade 2 and chamfering blade 3,3 ' material are high cobalt alloy, and its quenching hardness reaches HRC68~70 °, and has impact-resistant characteristics;
Operating grip 4 comprises that one handle 41, a pressing plate 42 and win 43 in succession, and the material of handle 41 is rubber or plastic cement, and its outer surface is a matsurface, can provide convenience to grip and anti-skidding effect; Pressing plate 42 is connected handle 41 upper ends and the middle part is provided with articulated section 421 and top is provided with pressing body 422; 43 two ends win in succession respectively with the articulated section 421 of pressing plate 42 and the articulated section 1231 of plywood 123 is pivotally connected down.
Chamfering guiding handle 5 is connected to the left end of second semicircular cylinder 112 and the 4th semicircle 122 and can be closed the semicircular cylinder 51,52 that covers into an integral barrel by two one ends and constitutes.
The operation principle that is used for the middle peeler of cable of the present invention is:
After opening upper slitter shell 11 and following cutter shell 12, the original position that first semicircular cylinder in upper slitter shell 11 and the following cutter shell 12 and the 3rd semicircular cylinder 121 are hung over the insulated cable skinner.The pressing plate 42 that utilizes handle 4 then and be attached thereto, utilize lever principle, pressing plate 42 is pressed on the last plywood 113 of upper slitter shell 11, the limit flanging is rotated around insulated cable, close up until upper slitter shell 11 and following cutter shell 12, two front cutting edges 22 of peeling blade 2 are cut insulating barrier in advance in closing up process, main cutting edge 21 back incision insulating barriers.Allow the front cutting edge 22 be in order on the position of heart yearn outer rim 0.5~0.7mm, to leave one " stress rupture passage " at insulating barrier in advance, main cutting edge 21 is afterwards in the position of front cutting edge 2mm incision insulating barrier, in case upper slitter shell 11 and following cutter shell 12 close up, main cutting edge 21 is cut fully, this moment is main, cutting edge 21,22 all more than the outer rim of cable core distance is greater than 0.5~0.7mm, its objective is same axis error (there are the same axis error about 0.3mm in heart yearn and insulating barrier) in order to avoid insulated cable, after two purposes reach, winning 43 in succession, under handle 4 and the pressing plate 42 acting in conjunction power, driving handle 4 rotates around insulated cable, this moment, insulating barrier began to peel off, though the blade tip of peeling blade 2 also has 0.5mm~0.7mm from the bottom of insulating barrier, because the effect of stress, not not isolating of insulating barrier bottom partly along with the major part of insulating barrier outside is excised, not isolating part lifts power (peeling blade 2 mechanical angle determined) along with the rotation of main cutting edge 21 and is torn, and then the disengaging of the outer rim of insulating barrier and conductive core line, thereby reach the purpose of peeling off.In the process that insulated cable rotates, because peeling blade 2 is installed the external diameter according to the different size cable, and corresponding with the pitch angles epsilon of prior setting, peeling blade 2 adds the feed that pitch angles epsilon has determined peeling in the whole peeling process at cutter shell 1.In case the peeling process is finished, need open upper slitter shell 11 and following cutter shell 12, the heart yearn exposed part of having peeled off insulating barrier is placed chamfering cylindrical shell 120, utilize the insulating barrier at left and right two chamfering blades 3 ', 3 pairs of heart yearn exposed part two ends in chamfering cylindrical shell 120 chambeies to carry out chamfering.The method of chamfering is: the right hand is held chamfering guiding handle 5, and in when falling the right corner, chamfering guiding handle 5 need be made thrust to the right, and in when falling the left comer, chamfering guiding handle 5 need be made pulling force left; Owing to be provided with the nylon baffle ring 7 of a semicircle on second semicircular cylinder 112 of formation chamfering cylindrical shell 120 and the inner surface of the 4th semicircular cylinder 122 respectively, when upper slitter shell 11 and following cutter shell 12 close up, just become the baffle ring 7 of a full circle; Because the blade tip of chamfering blade 3 extend into the position of chamfering cylindrical shell 120 inner chambers from the about 0.1mm of this baffle ring inner surface, when the heart yearn exposed part contacts with the inner surface of baffle ring 7, it is 0.1mm that chamfering blade 3 ', 3 blade tip leave the heart yearn outer rim forever, like this, chamfering can be finished and also heart yearn can be do not injured, this moment, the baffle ring 7 by chamfering cylindrical shell 120 inner chambers blocked the cable core of being peelled off insulating barrier, chamfering blade 3 ' on the chamfering cylindrical shell 120,3 cutworks, only needing rotating operating handle 4 is the chamfering of θ once finishing end, cable two ends insulating barrier chamfer angle week.
The effect of stage clip is in order to construct in the high-altitude, and peeler has individual clamping force to cable, make it because peeler weight is uneven and do not cause the high-altitude to be fallen up and down.Magnet piece 6 is that the magnetic property of this magnet piece 6 when construction holds the pressing plate 42 on the handle, and also unlikely handle comes off even operating personnel loose one's grip.
The design of the mechanical angle of the blade of the middle peeler that is used for cable of the present invention has taken into full account the various factors of aerial insulated cable peeling, is the mechanical property of cross-linked rubber and the product of " cutting " theory combination.
The advantage that is used for the middle peeler of cable of the present invention is that specificity is strong, blade is all in the inner walls part, safer during construction to the workmen, the most important thing is to have tangible energy-saving and emission-reduction meaning: nationwide integrated power grid overlaps because of construction quality causes into water, electric leakage, disconnected burst phenomenons such as (resistance increases) in the termination and the middle-end of aerial insulated cable every year, and the electric energy of its loss is appreciable.Just in Shanghai, the insulated overhead line in Shanghai is totally 5921 at present, about 7794 kilometers, along with this numeral of urban development is also constantly refreshing, if use high-quality peeler entirely, every circuit can reduce the line loss of 600~700 degree electricity every year at least, and single loss on the line of converting has just reached 3,550,000~4,140,000 degree, if in nationwide words, that will be a very considerable energy consumption saving.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.

Claims (9)

1. middle peeler that is used for the 24KV insulated cable comprises a cutter shell, peeling blade, two chamfering blades and an operating grip, and described cutter shell comprises upper slitter shell that front end is connected through the hinge and cutter shell once; Described upper slitter shell comprises first first semicircular cylinder that links to each other of radial end face tail, second semicircular cylinder and goes up plywood, offer a peeling knife slotted eye on the side face of described first semicircular cylinder, offer the rose reamer slotted eye on the side face of described second semicircular cylinder, described upward plywood is the extension flat board of the radial end face tail end of second semicircular cylinder, and its tail end center is provided with a upper groove; Described cutter shell down comprises that first the 3rd semicircular cylinder that links to each other of radial end face tail, the 4th semicircular cylinder reach plywood down, the diameter of described the 3rd semicircular cylinder and the 4th semicircular cylinder is corresponding with the diameter of first semicircular cylinder of upper slitter shell and second semicircular cylinder respectively, described plywood down is the extension flat board of the radial end face tail end of the 4th semicircular cylinder, its tail end center be provided with one with the corresponding low groove of upper groove of last plywood, on the lateral surface of two side channel arms of this low groove, be provided with the articulated section; Described peeling blade be installed on the hole wall of peeling knife slotted eye of first semicircular cylinder and the oblique inner chamber that extend into the peeling knife shell of its blade in; Described two chamfering blades are left and right sides chamfering blade and left chamfering blade, and the identical and blade of their structures is installed on the hole wall of rose reamer slotted eye of second semicircular cylinder symmetrically; Described operating grip comprise that one handle, is connected that handle upper end and middle part are provided with the articulated section and top be provided with the pressing plate of pressing body and two ends respectively with pressing plate and the pivotally connected connecting plate of plywood down; After closing lid, described upper slitter shell and following cutter shell make first semicircular cylinder and the 3rd semicircular cylinder become the peeling cylindrical shell of a full circle, second semicircular cylinder and the 4th semicircular cylinder become the chamfering cylindrical shell of a full circle, last plywood and following plywood become one and close tight plate, pressing plate on the described operating grip is replaced on last plywood and is closed tight plate with pinning, it is characterized in that
The inner surface of described the 3rd semicircular cylinder is provided with the right-handed thread that helical angle is ε;
Described peeling blade comprises the peeling knife lamellar body of a four-prism and is located at main cutting edge and front cutting edge on this peeling knife lamellar body, described two front cutting edges are located at the both sides of the first half of peeling knife lamellar body symmetrically, their blade tip vertically is positioned at the both sides front end of peeling knife lamellar body respectively, this two front cutting edge be respectively by the two sides of peeling knife lamellar body and respectively from the upper surface of peeling knife lamellar body with from its blade tip backward and the rip cutting bevel of the mode down-cutting of the locking angle that slopes inwardly constitute, and the two sides of the described formation two front cutting edges relief angle β that slopes inwardly from the upper surface of peeling knife lamellar body respectively, two rip cutting bevels of the described formation two front cutting edges anterior angle γ that slopes inwardly from the upper surface of peeling knife lamellar body; Described main cutting edge is between the rip cutting bevel of described two front cutting edges, its blade tip is stepped back blade tip one segment distance in two front cutting edges horizontal and straightly, it be by the bottom surface of peeling knife lamellar body and one with from its blade tip backward and the crosscut bevel that cuts of the mode of the angle of wedge δ that is inclined upwardly constitute;
It is in the oblique inner chamber that extend into the peeling cylindrical shell of the mode of ε that the blade tip of the main cutting edge of described peeling blade becomes angle with the axis with the peeling cylindrical shell, and the degree of depth that extend into the inner chamber of peeling cylindrical shell is that the thickness of cable insulation deducts 0.5~0.7mm;
Rose reamer slotted eye on the described second semicircular cylinder side face has two, is provided with at interval and in parallel respectively;
Described second semicircular cylinder then correspondingly studs with half baffle ring in addition at the corresponding baffle ring of thickness that studs with half thickness and described cable insulation on the inner surface between the two chamfering slotted eyes on the inner surface of described the 4th semicircular cylinder;
Described right chamfering blade and left chamfering blade comprise the rose reamer lamellar body of a four-prism respectively and are positioned at the blade of rose reamer lamellar body first half;
The blade of described right chamfering blade is made of a upper right inclined-plane and inclined-plane, a bottom right, described upper right inclined-plane is by forming to the upper surface cutting back of rose reamer lamellar body from the forward terminal of the crossing rib of the lower surface of rose reamer lamellar body and the left surface mode with the wedge angle that tilts, inclined-plane, described bottom right be by from the forward terminal of the lower surface of cutter blade and the crossing rib of left surface be somebody's turn to do on the crossing rib apart from forming after the forward terminal s mode side cut to the right of some lines with the wedge angle that tilts far away;
The blade of described left chamfering blade is made of a upper left inclined-plane and inclined-plane, a lower-left, described upper left inclined-plane is by forming to the upper surface cutting back of rose reamer lamellar body from the forward terminal of the crossing rib of the lower surface of rose reamer lamellar body and the right flank mode with the wedge angle that tilts, inclined-plane, described lower-left be by from the forward terminal of the lower surface of cutter blade and the crossing rib of right flank be somebody's turn to do on the crossing rib apart from forming after the forward terminal s mode side cut left of some lines with the wedge angle that tilts far away;
The inclined-plane, bottom right of described right chamfering blade and the inclined-plane, lower-left of left chamfering blade are β to the upper surface of the rose reamer lamellar body relief angle that tilts respectively;
The blade tip of described right chamfering blade and left chamfering blade extend in the inner chamber of chamfering cylindrical shell, and the degree of depth that extend into the chamfering cylinder lumen is that the thickness of described baffle ring deducts 0.1mm;
On the twisted axis of described hinge stage clip is installed;
Be provided with many muscle ribs on the outer surface of described cutter shell down spaced radial.
2. the middle peeler that is used for the 24KV insulated cable according to claim 1 is characterized in that, the described groove bottom that goes up the upper groove of plywood is provided with a magnet piece.
3. the middle peeler that is used for the 24KV insulated cable according to claim 1 is characterized in that it is h=1.5~2.5mm that the blade tip of the main cutting edge of described peeling blade is stepped back in the distance of the blade tip of two front cutting edges.
4. the middle peeler that is used for the 24KV insulated cable according to claim 1 is characterized in that, described locking angle=6 °~10 °; Described relief angle β=1 °~1 ° 30 '; Described anterior angle γ=1 °~1 ° 30 '; Described angle of wedge δ=35 °~40 °.
5. the middle peeler that is used for the 24KV insulated cable according to claim 1 is characterized in that, described s is 1/3rd of a rose reamer lamellar body length overall.
6. the middle peeler that is used for the 24KV insulated cable according to claim 1, it is characterized in that, peeler also comprises chamfering guiding handle in the middle of described, and this chamfering guiding handle is connected to second semicircular cylinder with the 4th semicircular cylinder left end and can close the semicircular cylinder that covers into an integral barrel and constitute by two one ends.
7. the middle peeler that is used for the 24KV insulated cable according to claim 1 is characterized in that described cutter shell is formed by duralumin, hard alumin ium alloy LY12 microdiecast.
8. the middle peeler that is used for the 24KV insulated cable according to claim 1 is characterized in that the material of described peeling blade and chamfering blade is the high cobalt alloy steel.
9. the middle peeler that is used for the 24KV insulated cable according to claim 1 is characterized in that described handle material is rubber or plastic cement, and its outer surface is a matsurface.
CN 200910196391 2009-09-25 2009-09-25 Intermediate skinner for 24KV insulated cable Active CN102035152B (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103346459A (en) * 2013-07-05 2013-10-09 苏州圣利线缆有限公司 Film-removing device of enamelled wires
CN104300446A (en) * 2014-10-30 2015-01-21 国家电网公司 Middle wire stripper for insulated wire
CN107947033A (en) * 2017-11-08 2018-04-20 国网山东省电力公司泰安供电公司 A kind of tool and method for cable insulation stripping
CN108923338A (en) * 2018-09-14 2018-11-30 慈溪市吉瑞机械有限公司 A kind of ring cutting and facing attachment of high-tension cable
CN110994473A (en) * 2019-10-26 2020-04-10 单荣萍 Wire body separating and cutting device for wire stripping mechanism

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04183211A (en) * 1990-11-13 1992-06-30 Sumitomo Wiring Syst Ltd Wire stripping method and wire untwisting device
CN201312089Y (en) * 2008-09-26 2009-09-16 上海电瓷厂 Intermediate stripper for cables
CN201556890U (en) * 2009-09-25 2010-08-18 王顺年 Middle skinning device used for 24KV insulated cable

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103346459A (en) * 2013-07-05 2013-10-09 苏州圣利线缆有限公司 Film-removing device of enamelled wires
CN103346459B (en) * 2013-07-05 2016-02-24 苏州圣利线缆有限公司 A kind of enamelled wire coating removal film device
CN104300446A (en) * 2014-10-30 2015-01-21 国家电网公司 Middle wire stripper for insulated wire
CN107947033A (en) * 2017-11-08 2018-04-20 国网山东省电力公司泰安供电公司 A kind of tool and method for cable insulation stripping
CN108923338A (en) * 2018-09-14 2018-11-30 慈溪市吉瑞机械有限公司 A kind of ring cutting and facing attachment of high-tension cable
CN110994473A (en) * 2019-10-26 2020-04-10 单荣萍 Wire body separating and cutting device for wire stripping mechanism

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