CN107947036A - A kind of single-core crosslinked PE cable out semiconductor layer circular cutter - Google Patents

A kind of single-core crosslinked PE cable out semiconductor layer circular cutter Download PDF

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Publication number
CN107947036A
CN107947036A CN201711137521.1A CN201711137521A CN107947036A CN 107947036 A CN107947036 A CN 107947036A CN 201711137521 A CN201711137521 A CN 201711137521A CN 107947036 A CN107947036 A CN 107947036A
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CN
China
Prior art keywords
sleeve
tool holder
cable
buckle
tool
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201711137521.1A
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Chinese (zh)
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CN107947036B (en
Inventor
何成立
杨另轩
申金龙
赵庆华
王兆君
张炜
赵立城
王志强
李泉
刘文生
何菲
段珺
马振宏
王文宾
李会彬
韩胜峰
朱燕舞
陈岩
赵辉
任雨
胡文丽
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Hebei Electric Power Co Ltd
Xingtai Power Supply Co of State Grid Hebei Electric Power Co Ltd
State Grid Corp of China SGCC
Original Assignee
State Grid Hebei Electric Power Co Ltd
Xingtai Power Supply Co of State Grid Hebei Electric Power Co Ltd
State Grid Corp of China SGCC
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Application filed by State Grid Hebei Electric Power Co Ltd, Xingtai Power Supply Co of State Grid Hebei Electric Power Co Ltd, State Grid Corp of China SGCC filed Critical State Grid Hebei Electric Power Co Ltd
Priority to CN201711137521.1A priority Critical patent/CN107947036B/en
Publication of CN107947036A publication Critical patent/CN107947036A/en
Application granted granted Critical
Publication of CN107947036B publication Critical patent/CN107947036B/en
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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
    • H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
    • H02G1/1204—Hand-held tools
    • H02G1/1221—Hand-held tools the cutting element rotating about the wire or cable
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof
    • H02G1/1202—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for removing insulation or armouring from cables, e.g. from the end thereof by cutting and withdrawing insulation
    • H02G1/1204—Hand-held tools
    • H02G1/1236—Features relating to cutting elements
    • H02G1/1241—Features relating to cutting elements the cutting element being a stack of blades
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/82—Recycling of waste of electrical or electronic equipment [WEEE]

Landscapes

  • Removal Of Insulation Or Armoring From Wires Or Cables (AREA)

Abstract

本发明公开了一种单芯交联聚乙烯电缆外半导电屏蔽层环切刀具，属于电缆配线设备的技术领域，涉及电缆接头的处理装置。该装置包括刀架体外套筒及刀架体内套筒，刀架体内套筒和刀架体外套筒连接形成连通的通孔，电缆穿进此通孔内进行剥皮操作，刀架体外套筒的端头设置有V字槽，V字槽内配有刀架体，刀架体外套筒底端设置有内螺纹扣，刀架体内套筒的顶部设置有与刀架体外套筒底端相匹配的外螺纹，刀架体内套筒和刀架体外套筒借助螺纹连接，刀架体内套筒的底端连接设置有电缆的固定装置。有效解决了作业人员使用普通切刀造成电缆头切割粗糙、制作参差不齐等问题，切割连贯、整齐、无毛刺，且可控制切割面的直径，不损伤电缆的绝缘体层。

The invention discloses a single-core cross-linked polyethylene cable outer semiconductive shielding layer circular cutting tool, which belongs to the technical field of cable wiring equipment and relates to a processing device for cable joints. The device includes a sleeve outside the body of the tool holder and a sleeve inside the body of the tool holder. The inner sleeve of the tool holder and the outer sleeve of the tool holder are connected to form a connected through hole, and the cable is inserted into the through hole for peeling operation. The end is provided with a V-shaped groove, and the V-shaped groove is equipped with a tool holder body. The bottom of the outer sleeve of the tool holder body is provided with an internal thread buckle. The outer thread of the tool holder body and the outer sleeve of the tool holder body are connected by threads, and the bottom end of the inner sleeve of the tool holder is connected with a fixing device for cables. It effectively solves the problems of rough cutting and uneven production of cable heads caused by operators using ordinary cutters. The cutting is coherent, neat and burr-free, and the diameter of the cutting surface can be controlled without damaging the insulator layer of the cable.

Description

A kind of single-core crosslinked PE cable out semiconductor layer circular cutter
Technical field
The invention belongs to the technical field of cable wiring equipment, is related to the processing unit of cable connector, particularly a kind of single Core twisted polyethylene cable out semiconductor layer circular cutter.
Background technology
Use of the cable in distribution line progressively increases, and usually a cable needs to make multiple cable connectors, this Position power plant intensity is most concentrated, and is the most weak place of cable, and cable fault is the cable as caused by puncturing cable connector mostly The quality of outer semiconducting layer stripping quality directly affects service life and the stable operation of cable, therefore on the make, to outside it The stripping technology of semi-conductive layer requires high, it is desirable to section links up, neatly, impulse- free robustness.
Conductor, internal layer semiconductor layer, insulator, the outer layer that single-core crosslinked PE cable structure includes from inside to outside are partly led Body layer, sheath, corrosion-resistant coating six layer structure, at present, the stripping operation of single-core crosslinked PE cable generally using handsaw or Blade carries out, and the manufacture craft requirement of cable connector is extremely difficult to, so as to cause major insulation body damage layer to cause under insulation performance Drop.
The content of the invention
The present invention to solve the above-mentioned problems, devises a kind of single-core crosslinked PE cable out semiconductor layer ring cutting Knife, efficiently solves operating personnel and causes the problems such as end cutting is coarse, making is uneven using common cutter, cutting connects Pass through, neatly, impulse- free robustness, and the diameter of controllable cut surface, does not damage the insulator layer of cable.
To achieve these goals, the technological means taken of the present invention is：
A kind of single-core crosslinked PE cable out semiconductor layer circular cutter, the device include tool-post structure outer sleeve and Tool-post structure inner sleeve, tool-post structure inner sleeve and tool-post structure outer sleeve connect the through hole to be formed and connected, cable pierce into this through hole into Row skinning operations, key point are that the termination of tool-post structure outer sleeve is provided with V-shaped valley, is furnished with tool-post structure, tool-post structure in V-shaped valley Outer sleeve bottom is provided with internal thread and buckles, be provided with the top of tool-post structure inner sleeve match with tool-post structure outer sleeve bottom it is outer Screw thread, tool-post structure inner sleeve and tool-post structure outer sleeve are connected with cable by threaded connection, the bottom of tool-post structure inner sleeve Fixing device.
The tool-post structure outer sleeve, which is provided with the slot of V-shaped valley both sides, is each configured with main carriage and secondary knife rest.
The tool-post structure outer sleeve and the middle part of tool-post structure inner sleeve set oval through hole, through hole side respectively It is provided with length scales.
The tool-post structure includes the advance and retreat screw rod and blade being connected, and blade is installed in V-shaped valley by advance and retreat screw rod, The blade tilt of main carriage and secondary knife rest is set, and incline direction is opposite.
The termination of tool-post structure outer sleeve is vertically installed with handle.
The fixing device is buckled for positioning mould, which is included by two hinged valve semi-circular positioning mould cards of hinge Button, the free-end of positioning mould buckle are respectively arranged with connecting seat, and by fastener that an even connecting seat fastening is integral, described determines Position mould buckle is internal to be installed with semi-circular positioning mould respectively, and the outside radius surface of positioning mould is equal to the inner side of positioning mould buckle Radius surface, the inner side radius surface of positioning mould are equal to the radius of steel-cored aluminium strand.
The fastener is made of bolt and wing nut, and the connecting seat is ears, and one end of bolt is positioned at In the ears of side, wing nut is located on the other end of bolt.
The free-end of the side positioning mould buckle is provided with handle, and handle is located at the lower end of fastener.
Be provided with positioning mould tongue in described positioning mould buckle, positioning mould be provided with match with positioning mould tongue it is recessed The annular top of groove, positioning mould buckle and positioning mould is respectively arranged with bolt hole, and it is fixed that positioning mould is fixed on by bolt In the mould buckle of position.
The beneficial effects of the invention are as follows：Tool-post structure outer sleeve and tool-post structure inner sleeve are threadedly coupled, and form rotating disc type ring cutting Knife, when peeling off ring cutting to single-core crosslinked PE cable out semiconductor layer, tool-post structure outer sleeve and knife rest are placed in by cable In the through hole of internal sleeve, cable is fixed by fixing device, rotating knife frame body does 360 ° of circles, the interior spiral shell of tool-post structure outer sleeve The external screw thread of line button and tool-post structure inner sleeve produces stress transfer at blade, and pressure under blade produces in rotation, can accomplish Knife is given automatically in rotary-cut, overcomes pushing force during manual removal ring cutting；Tool-post structure is provided with V-shaped valley, is set before rotary-cut Cable insulation outside diameter needed for good, can also replace the tool-post structure to match according to cable model thickness.
Brief description of the drawings
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is tool-post structure right view；
Fig. 3 is the structure diagram of fixing device；
Top view when Fig. 4 is the fixing device fastening of Fig. 3.
In figure, 101, advance and retreat screw rod, 102, blade, 2, handle, 3, tool-post structure outer sleeve, 4, tool-post structure inner sleeve, 501, Positioning mould is buckled, and 502, positioning mould, 503, bolt, 504, wing nut, 505, ears, 6, handle, 7, V-shaped valley, 8, through hole, 9th, length scales.
Embodiment
The present invention is a kind of single-core crosslinked PE cable out semiconductor layer circular cutter, which includes tool-post structure Outer sleeve 3 and tool-post structure inner sleeve 4, tool-post structure inner sleeve 4 and the connection of tool-post structure outer sleeve 3 form the through hole connected, and cable is worn Skinning operations are carried out in into this through hole, it is characterised in that：The termination of tool-post structure outer sleeve 3 is provided with V-shaped valley 7, matches somebody with somebody in V-shaped valley 7 Have tool-post structure, 3 bottom of tool-post structure outer sleeve is provided with internal thread and buckles, the top of tool-post structure inner sleeve 4 be provided with outside tool-post structure The external screw thread that 3 bottom of sleeve matches, tool-post structure inner sleeve 4 and tool-post structure outer sleeve 3 are by threaded connection, tool-post structure inner sleeve 4 bottom is connected with the fixing device of cable.
The present invention will be further described with specific embodiment below in conjunction with the accompanying drawings.
Specific embodiment, matches somebody with somebody respectively as shown in Figure 1, the tool-post structure outer sleeve 3 is provided with 7 both sides slot of V-shaped valley Main carriage and secondary knife rest are equipped with, tool-post structure includes the advance and retreat screw rod 101 and blade 102 being connected, and blade 102 is by advance and retreat screw rod 101 are installed in V-shaped valley 7, and the blade 102 of main carriage and secondary knife rest is obliquely installed, and incline direction is opposite.Tool-post structure outer sleeve 3 termination is vertically installed with handle 2.The middle part of tool-post structure outer sleeve 3 and tool-post structure inner sleeve 4 sets oval through hole respectively 8,8 side of through hole is provided with length scales 9, conveniently the cable situation inside observation and exploitation length.
The fixing device device is included by the hinged two valve semi-circular positioning moulds buckle 501 of hinge, positioning mould buckle 501 Free-end be respectively arranged with connecting seat, by fastener will even the fastening of connecting seat it is integral, in the positioning mould buckle 501 Portion is installed with semi-circular positioning mould 502 respectively, and the outside radius surface of positioning mould 502 is equal to the inner side of positioning mould buckle 501 Radius surface, the inner side radius surface of positioning mould 502 are equal to the radius of steel-cored aluminium strand.Fastener is by bolt 503 and wing nut 504 Form, the connecting seat is ears 505, and one end of bolt 503 is positioned in side ears 505, and wing nut 504 is located on The other end of bolt 503.The free-end of side positioning mould buckle 501 is provided with handle 6, and handle 6 is located at the lower end of fastener.It is fixed Positioning mould tongue is provided with position mould buckle 501, positioning mould 502 is provided with the groove to match with positioning mould tongue, described The annular top of positioning mould buckle 501 and positioning mould 502 is respectively arranged with bolt hole 505, and positioning mould 502 is fixed on by bolt In positioning mould buckle 501.Fixing device is connected to the rear end of tool-post structure inner sleeve 4, for fixed cable, prevents and peeling process Middle cable displacement, the length of peeling can not accurately measure.And positioning mould 502 is detachable, its internal diameter has applicable 120mm2、150mm2、185mm2、240mm2、300mm2、400mm2The plurality of specifications of cable, facilitates Multiple Type PE cable Firm stripping ring cutting.
Before cable skin is shelled with circular cutter, it is first determined the depth of peeling, operator is first adjusted by advance and retreat screw rod 101 The depth of the feed of frame, then cable be sent into by the left side port of tool-post structure inner sleeve 4, top is to stopping after the blade 102 of main carriage Only toward power transmission cable in through hole, then by two valve positioning moulds buckle, 501 closure, wing bolt 504 is tightened, by fixing device by electricity Cable is fixed；By through hole 8 it is observed that Internal cable, the screw buckle pitch of tool-post structure overcoat 3 is 2mm, tool-post structure inner sleeve 4 external thread lengths of cylinder are 20mm, pitch 2mm, and rotating handles 2 does 360 ° of circles, and the internal thread of tool-post structure outer sleeve 3 is buckled and knife rest The external screw thread of internal sleeve 4 produces stress transfer at the blade 102 of main carriage, and pressure under blade 102 produces in rotation can Accomplish to overcome pushing force during manual removal ring cutting automatically to knife in rotary-cut；The scurf peeled by tool-post structure outer sleeve 3 the right side Side ports are dished out.When switching to the length of requirement, main carriage is exited and then promoted secondary knife rest, reversely rotates handle 2, secondary knife rest The junction of scurf and cable skin is cut off, makes smooth cut impulse- free robustness, improves ring cutting quality.It is replaceable that tool-post structure is arranged to activity Formula, can replace the tool-post structure to match according to cable model thickness.
The present invention solves operating personnel and causes cable connector cutting coarse using common cutter and manufacture uneven etc. Problem, the diameter of cut surface can be optional.Cutting effect links up, neatly, without flash, facilitate end to manufacture, grasp do it is simple and convenient, Securely and reliably.Peel off ring cutting end place can truncation, it is vertical cut, cut and cut at any angle stripping, the device is in electricity The feeding size of cutter is precisely controlled in cable ring cutting, and cut surface is bright and clean, cuts body links up, does not produce residue, is neat, carries significantly The high efficiency and success rate of manufacturing cable head.

Claims (9)

1.一种单芯交联聚乙烯电缆外半导电屏蔽层环切刀具，该装置包括刀架体外套筒(3)及刀架体内套筒(4)，刀架体内套筒(4)和刀架体外套筒(3)连接形成连通的通孔，电缆穿进此通孔内进行剥皮操作，其特征在于：刀架体外套筒(3)的端头设置有V字槽(7)，V字槽(7)内配有刀架体，刀架体外套筒(3)底端设置有内螺纹扣，刀架体内套筒(4)的顶部设置有与刀架体外套筒(3)底端相匹配的外螺纹，刀架体内套筒(4)和刀架体外套筒(3)借助螺纹连接，刀架体内套筒(4)的底端连接设置有电缆的固定装置。1. A single-core cross-linked polyethylene cable outer semi-conductive shielding ring cutter, the device comprises a sleeve (3) outside the body of the tool holder and a sleeve (4) in the body of the tool holder, and the inner sleeve (4) and The outer sleeve (3) of the tool holder body is connected to form a connected through hole, and the cable is passed through the through hole for peeling operation. It is characterized in that: the end of the outer sleeve (3) of the tool holder body is provided with a V-shaped groove (7), The V-shaped groove (7) is equipped with a knife rest body, and the bottom end of the outer sleeve (3) of the knife rest body is provided with an internal thread buckle, and the top of the inner sleeve (4) of the knife rest body is provided with a joint with the outer sleeve (3) of the knife rest body. The external thread matched at the bottom, the sleeve (4) in the knife rest body and the outer sleeve (3) of the knife rest body are connected by threads, and the bottom end of the sleeve (4) in the knife rest body is connected with a fixing device provided with cables. 2.根据权利要求1所述的一种单芯交联聚乙烯电缆外半导电屏蔽层环切刀具，其特征在于：所述的刀架体外套筒(3)设置有V字槽(7)两侧槽孔内分别配置有主刀架和副刀架。2. A single-core cross-linked polyethylene cable outer semi-conductive shielding ring cutting tool according to claim 1, characterized in that: the outer sleeve (3) of the tool holder body is provided with a V-shaped groove (7) The slot holes on both sides are respectively equipped with a main tool holder and an auxiliary tool holder. 3.根据权利要求2所述的一种单芯交联聚乙烯电缆外半导电屏蔽层环切刀具，其特征在于：所述的刀架体包括相连接的进退螺杆(101)和刀片(102)，刀片(102)借助进退螺杆(101)安装于V字槽(7)内，主刀架和副刀架的刀片(102)倾斜设置，且倾斜方向相反。3. A single-core cross-linked polyethylene cable outer semiconductive shielding ring cutting tool according to claim 2, characterized in that: the knife holder body includes a connected advancing and retreating screw (101) and a blade (102 ), the blade (102) is installed in the V-shaped groove (7) by means of the advancing and retreating screw rod (101), the blades (102) of the main tool rest and the auxiliary tool rest are inclined, and the direction of inclination is opposite. 4.根据权利要求1所述的一种单芯交联聚乙烯电缆外半导电屏蔽层环切刀具，其特征在于：所述的刀架体外套筒(3)和刀架体内套筒(4)的中部分别设置椭圆形贯穿孔(8)，贯穿孔(8)侧边设置有长度标尺(9)。4. a kind of single-core cross-linked polyethylene cable outer semiconductive shielding ring cutter according to claim 1, is characterized in that: described knife holder body outer sleeve (3) and knife holder inner sleeve (4 ) are respectively provided with elliptical through holes (8), and the sides of the through holes (8) are provided with length scales (9). 5.根据权利要求1所述的一种单芯交联聚乙烯电缆外半导电屏蔽层环切刀具，其特征在于：刀架体外套筒(3)的端头垂直设置有把手(2)。5. A single-core XLPE cable outer semi-conductive shield ring cutting tool according to claim 1, characterized in that: a handle (2) is vertically arranged at the end of the outer sleeve (3) of the tool holder body. 6.根据权利要求1所述的一种单芯交联聚乙烯电缆外半导电屏蔽层环切刀具，其特征在于：所述的固定装置该装置包括借助铰链铰接的两瓣半环形定位模卡扣(501)，定位模卡扣(501)的游离端分别设置有连接座，由紧固件将连个连接座紧固成整体，所述的定位模卡扣(501)内部分别固定安装有半环形定位模(502)，定位模(502)的外侧面半径等于定位模卡扣(501)的内侧面半径，定位模(502)的内侧面半径等于钢芯铝绞线的半径。6. A single-core cross-linked polyethylene cable outer semi-conductive shield ring cutting tool according to claim 1, characterized in that: said fixing device includes a two-lobed semi-annular positioning mold card hinged by hinges buckle (501), the free ends of the positioning mold buckle (501) are respectively provided with connecting seats, and the connecting seats are fastened into a whole by fasteners, and the inside of the positioning mold buckle (501) is fixedly installed with Semicircular spacer (502), the radius of the outer side of the spacer (502) equals the radius of the inner side of the buckle (501) of the spacer, and the radius of the inner side of the spacer (502) equals the radius of the aluminum conductor. 7.根据权利要求6所述的一种单芯交联聚乙烯电缆外半导电屏蔽层环切刀具，其特征在于：所述的紧固件由螺栓(503)和蝶形螺母(504)构成，所述的连接座为双耳(505)，螺栓(503)的一端定位在一侧双耳(505)内，蝶形螺母(504)旋置在螺栓(503)的另一端。7. A single-core cross-linked polyethylene cable outer semi-conductive shielding ring cutter according to claim 6, characterized in that: the fastener is composed of a bolt (503) and a wing nut (504) , the connecting seat is a double ear (505), one end of the bolt (503) is positioned in the double ear (505) on one side, and the wing nut (504) is screwed on the other end of the bolt (503). 8.根据权利要求6所述的一种单芯交联聚乙烯电缆外半导电屏蔽层环切刀具，其特征在于：所述的一侧定位模卡扣(501)的游离端设置有手柄(6)，手柄(6)位于紧固件的下端。8. A kind of single-core cross-linked polyethylene cable outer semi-conductive shielding ring cutter according to claim 6, characterized in that: the free end of the one side positioning mold buckle (501) is provided with a handle ( 6), the handle (6) is located at the lower end of the fastener. 9.根据权利要求6所述的一种单芯交联聚乙烯电缆外半导电屏蔽层环切刀具，其特征在于：所述的定位模卡扣(501)内设置有定位模凸槽，定位模(502)设置有与定位模凸槽相匹配的凹槽，所述的定位模卡扣(501)和定位模(502)的环形顶部分别设置有螺栓孔(505)，定位模(502)借助螺栓固定于定位模卡扣(501)内。9. A single-core cross-linked polyethylene cable outer semiconductive shielding ring cutting tool according to claim 6, characterized in that: the positioning die buckle (501) is provided with a positioning die convex groove, positioning Die (502) is provided with the groove that matches with the convex groove of positioning die, and the annular top of described positioning die buckle (501) and positioning die (502) is respectively provided with bolt hole (505), and positioning die (502) Fix it in the buckle (501) of the positioning mold by means of bolts.
CN201711137521.1A 2017-11-16 2017-11-16 A single-core cross-linked polyethylene cable outer semi-conductive shielding ring cutting tool Active CN107947036B (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108418144A (en) * 2018-05-04 2018-08-17 福建通宇电缆有限公司 A kind of cable and cable cutting piece
CN113770282A (en) * 2021-08-17 2021-12-10 广西电网有限责任公司北海供电局 Cutting device with controllable cutting depth
CN114536430A (en) * 2022-03-17 2022-05-27 三杰节能新材料股份有限公司 Port circular cutting device of large polyethylene heat-preservation outer protection bent pipe

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