CN105375406B - Cable insulation remover and remove device and method with the remover - Google Patents

Cable insulation remover and remove device and method with the remover Download PDF

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Publication number
CN105375406B
CN105375406B CN201510732654.8A CN201510732654A CN105375406B CN 105375406 B CN105375406 B CN 105375406B CN 201510732654 A CN201510732654 A CN 201510732654A CN 105375406 B CN105375406 B CN 105375406B
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CN
China
Prior art keywords
cutter
ratchet
finger
bogie
folder
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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.)
Active
Application number
CN201510732654.8A
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Chinese (zh)
Other versions
CN105375406A (en
Inventor
李玉华
戚晖
赵玉良
阮鹏程
王海磊
孟瑜
李华东
李新梅
张磊
李建祥
赵金龙
高郎宏
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 Intelligent Technology Co Ltd
Original Assignee
State Grid Corp of China SGCC
Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd
Shandong Luneng Intelligence Technology Co Ltd
Priority date (The priority date 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 date listed.)
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Application filed by State Grid Corp of China SGCC, Electric Power Research Institute of State Grid Shandong Electric Power Co Ltd, Shandong Luneng Intelligence Technology Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510732654.8A priority Critical patent/CN105375406B/en
Publication of CN105375406A publication Critical patent/CN105375406A/en
Application granted granted Critical
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/12Methods 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
    • H02G1/1202Methods 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
    • H02G1/1204Hand-held tools
    • H02G1/1229Hand-held tools the cutting element making a longitudinal, and a transverse or a helical cut
    • H02G1/1231Hand-held tools the cutting element making a longitudinal, and a transverse or a helical cut using a swivelling cutting element
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/28Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for wire processing before connecting to contact members, not provided for in groups H01R43/02 - H01R43/26

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Electric Cable Installation (AREA)

Abstract

The present invention relates to a kind of cable insulation remover and with the remover remove device and method.Cable insulation remover part mainly includes:Main support, main support is interior to have drive cylinder, and the piston rod of drive cylinder is fixedly connected with multi-connecting-rod mechanism, and the power of drive cylinder is passed to ratchet bogie by multi-connecting-rod mechanism, and ratchet is hinged with ratchet bogie;Cutter is fixedly connected with the ratchet and compresses lower folder, folder is compressed to press from both sides and is hinged with cutter under cutter compresses, and cutter compression is lower to press from both sides by spacing adjusting mechanism to control cutter to compress the distance between folder;Cutter compresses folder and cutter to compress between pressing from both sides be space for placing cable;The cutter compresses the side pressed from both sides and is connected with cutter;Ratchet intermittent exercise under the drive of ratchet bogie, band cutter coaxially move at the same speed, realize the removing to cable insulation.The present apparatus can apply to direct livewire work and indirect live working, and automaticity is high, and operating efficiency is high, and labor intensity is low.

Description

Cable insulation remover and remove device and method with the remover
Technical field
The present invention relates to electric power and cable-dependent devices field, is to be related to cable insulation remover and tool specifically There are the remove device and method of the remover, the insulating barrier for being mainly used in aerial cable is removed.
Background technology
Operating frequency highest is live line connection task in distribution network live line work, and it is then most important that cable insulation, which is removed, A link.Existing insulating barrier cleanout tool is predominantly completed by manually providing power, its labor intensity is big, efficiency is low, The defects of automatization level is low, and also volume is larger, and versatility is relatively low.
For example, the Chinese patent literature of Application No. 201010108098.4 discloses a kind of cable stripper.It includes Blade, a fixed support;One rotates the blade fixing device for realizing ring cutting action with cutting blade around cable, and blade fixing device is set Put in support bracket fastened front end;The reducing motor and transmission mechanism of the one driving blade fixing device motion, the electricity that slows down Machine is packed on fixed support;One is used for the cable-clamping device that handles cable clip, the device be arranged on fixed support or On blade fixing device;One electronic-controlled installation for controlling reducing motor keying and rotating speed, electronic-controlled installation and power supply Connection.
However, there is more deficiency in said apparatus:
(1) due to the device naked bar of the disclosure of the invention, and cable-clamping device needs human assistance clamping can not be automatic Complete pinching action.Therefore the invention can only carry out direct livewire work manually or using mechanical arm, and operator can not utilize it Indirect operating is carried out on ground;
(2) device of the disclosure of the invention is driven using click, is a kind of intermittent drive device, when ratchet drives spine Ratchet is set to be turned back to initial position in tempus intercalare cable elasticity after wheel one tooth of rotation, thus it is preferably exhausted for part toughness Edge layer material its can not complete insulating barrier excision work;
(3) motor is used as power source, and motor and battery applications make that whole device volume is big, weight is big.
In summary, a kind of new cable peeling device how is designed, the problem of being those skilled in the art's urgent need to resolve.
The content of the invention
The purpose of the present invention is to overcome above-mentioned the deficiencies in the prior art, there is provided cable insulation remover.Institute of the present invention The insulating barrier remover of offer, direct livewire work can be applied to, can also be applied to indirect live working.On reaching Purpose is stated, the present invention adopts the following technical scheme that:
A kind of cable insulation remover, including:Main support, main support is interior to have drive cylinder, the piston of drive cylinder Bar is fixedly connected with multi-connecting-rod mechanism, and the power of drive cylinder is passed to ratchet bogie, ratchet bogie by multi-connecting-rod mechanism On be hinged with ratchet;
Cutter is fixedly connected with the ratchet and compresses lower folder, folder is compressed to press from both sides and is hinged with cutter under cutter compresses, knife Tool compresses lower folder by spacing adjusting mechanism to control cutter to compress the distance between folder;
Cutter compresses folder and cutter to compress between pressing from both sides be space for placing cable;
The cutter compresses the side pressed from both sides and is fixedly connected with cutter;
Ratchet intermittent exercise under the drive of ratchet bogie, band cutter are coaxially moved, realized to electricity at the same speed The removing of cable insulating barrier.
Preferably, the spacing adjusting mechanism includes being fixedly installed on the cutter compressed oil cylinder that cutter compresses lower folder side, The piston rod of cutter compressed oil cylinder compresses lower folder and compresses to press from both sides with cutter and is fixedly connected through cutter.
Preferably, the spacing adjusting mechanism also includes return spring, and return spring is placed on the piston of cutter compressed oil cylinder On bar.
Preferably, the multi-connecting-rod mechanism includes connector, and one end of connector and the piston rod of drive cylinder, which are fixed, to be connected Connect, the other end is hinged with ratchet bogie connecting rod, and the other end of ratchet bogie connecting rod is articulated with ratchet bogie.
Preferably, the ratchet bogie is oriented to by ratchet leading truck, and ratchet leading truck is fixedly connected on main support.
Preferably, shrouding is fixedly connected with the main support, shrouding covers the side of ratchet.
While insulating barrier remover is provided, present invention also offers with a kind of remove device, the remove device bag Clamping jaw is included, the clamping jaw has finger link, and the side of finger link is fixedly connected with clamping cylinder, the piston of clamping cylinder Bar drives at least two hands being articulated with the finger link through the finger link and by quadric chain Refer to relative motion, realize the clamping to cable;Clamping cylinder is connected by connecting guide rod with above-mentioned cable insulation remover Connect.
Preferably, the quadric chain includes finger actuation bar and the finger additional drive rods that end is hinged, finger The bar portion of drive rod and finger additional drive rods is articulated with cover plate, and cover plate is fixedly connected with finger link, clamping cylinder Piston rod it is simultaneously be hinged by one end of jointed shaft and finger actuation bar and finger additional drive rods, finger actuation bar and finger The other end of additional drive rods is hinged with a finger respectively, and two fingers are by finger rod hinge connection on finger link;Folder While the piston rod movement of locking oil cylinder promotes the finger actuation bar to be swung, finger with finger connecting rod and finger actuation bar group Into parallelogram linkage limitation under finger motion amplitude.
Preferably, the inner side of the finger has anti-slip veins.
Preferably, the end of the main support is fixedly connected with insulating bar.
As more preferable situation, present invention also offers the side that cable insulation removing is carried out using above-mentioned remove device Method, mainly comprise the following steps:
A, finger is controlled to clamp cable insulation by clamping cylinder;
B, being retracted by cutter compressed oil cylinder piston rod makes cutter be contacted with cable insulation;
C, drive cylinder driving pawl bogie drives ratchet intermittent exercise, cutter circumgyration incision under the drive of ratchet Insulating barrier.
In the above method, it is preferred that control insulating barrier to remove length by operating insulating bar.
The beneficial effects of the invention are as follows:
(1) there is insulating bar, available for direct livewire work and indirect live working, automaticity is high, hand labor Low intensity, operating efficiency are high, and can be supporting with existing crusing robot;
(2) by hydraulic pressure to complete the compression of cutter, rotary cutting removes and the action that is fixedly clamped of aerial cable, therefore have Simple in construction, the advantages that complete machine is compact, light weight;
(3) remover can realize the removing of toughness in general cable insulation, and remover is realized by coordinating with clamping jaw The removing of the higher cable insulation of toughness, so as to effectively solve the feelings that the insulating barrier caused by electric cable rotary can not be removed Condition, without other aids in work operations.
Brief description of the drawings
Fig. 1 is the structural representation of cable insulation remover in the present invention;
Fig. 2 is the driving structure figure of ratchet and ratchet in the present invention;
Fig. 3 is the structural representation of clamping jaw in the present invention;
Fig. 4 is the structural representation of remove device in the present invention;
Wherein:1st, clamping jaw, 2, connection guide rod, 3, insulating barrier remover, 4, insulating bar, 5, aerial cable, 6, finger, 7, Finger connecting rod, 8, finger actuation bar, 9, finger link, 10, clamping cylinder, 11, finger additional drive rods, 12, cover plate, 13, Main support, 14, drive cylinder, 15, ratchet bogie connecting rod, 16, ratchet bogie, 17, cutter compressed oil cylinder, 18, shrouding, 19th, cutter compress it is lower press from both sides, 20, cutter compress and press from both sides, 21, cutter mounting frame, 22, cutter, 23, return spring, 24, connector, 25th, ratchet, 26, ratchet, 27, ratchet leading truck.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Embodiment:As depicted in figs. 1 and 2, a kind of cable insulation remover 3, including:Main support 13, main support 13 are big Cause in one bending it is U-shaped, and with for laterally disposed drive cylinder 14 transverse groove.Concurrently, in main support 13 also With the cannelure for placing cable.
Drive cylinder 14 is fixedly connected with transverse groove, the piston rod of drive cylinder 14 is fixedly connected with multi-connecting-rod mechanism, The power of drive cylinder 14 is passed to ratchet bogie 16 by multi-connecting-rod mechanism, and ratchet 26 is hinged with ratchet bogie 16;Spine Cutter is fixedly connected with wheel 25 and compresses lower folder 19, cutter compresses one end that lower folder 19 compresses folder 20 with cutter and is hinged, knife Tool compresses lower folder 19 and presss from both sides the distance between 20 by spacing adjusting mechanism to control to compress with cutter;Cutter compresses folder 20 Side is fixedly connected with cutter mounting frame 21, and cutter mounting frame 21 is removably connected with cutter 22 by screw.
It is circular arc that cutter, which compresses lower folder 19 and can be decomposed into a part, and another part is the structure of connecting plate.Cutter compresses It is circular arc that upper folder 20, which can be decomposed into a part, and another part is wins in succession, and vertical direction is integrally formed be hinged on connecting plate Bar so that cutter compresses lower folder 19 and folder 20 in cutter compression is hinged.
It is for placing between the circular arc shaped portion of folder 20 and cutter compress the circular arc shaped portion of folder 19 in cutter compression Treat the space of peeling cable.
Spacing adjusting mechanism includes being fixedly installed on the cutter compressed oil cylinder 17 that cutter compresses lower 19 connecting plate sides of folder, cutter The piston rod of compressed oil cylinder 17 compresses the connecting plate of lower folder 19 through cutter and is fixedly connected with the connecting plate of folder 20 in cutter compression.
Elongation state is in when cutter compressed oil cylinder 17 is flat, by the rollback of piston rod, realizes the compression of cutter 22.
Spacing adjusting mechanism also includes return spring 23, and return spring 23 is placed on the piston rod of cutter compressed oil cylinder 17, The both ends of return spring 23 can be held out against to be compressed on the connecting plate of folder 20 under cutter compression on the connecting plate of folder 19 with cutter, It can directly be compressed with cutter on the connecting plate of lower folder 19 and the connecting plate of folder 20 is fixedly connected in cutter compression.
In multi-connecting-rod mechanism, including connector 24, one end of connector 24 pass through screw thread with the piston rod of drive cylinder 14 Connection, the other end are hinged with ratchet bogie connecting rod 15, and the other end of ratchet bogie connecting rod 15 is articulated with ratchet bogie On 28.
Ratchet bogie 16 is that ratchet 25, which also corresponds to, has breach, and cable is from breach with cirque structure jaggy It is put into inside ratchet 25.
The centre of ratchet bogie 16 carries guide groove, and the guide groove is engaged with ratchet leading truck 27, drives ratchet Frame 16 is carried on the back ratchet leading truck 27 when rotating and is oriented to, and is rotated, ratchet leading truck 27 is fixedly connected on main support 13 On.
In order to prevent from entering between guide groove and ratchet leading truck 27 debris, ratchet bogie 16 is hindered to rotate, in main branch Shrouding 18 is fixedly connected with frame 13, shrouding 18 covers the side of ratchet 25 and ratchet leading truck 27.
Drive cylinder 14 forms four-bar linkage by connector 24, ratchet bogie connecting rod 15, ratchet bogie 16.
With reference to shown in figure 3, while insulating barrier remover is provided, present invention also offers with a kind of remove device. The remove device includes clamping jaw 1, and the clamping jaw 1 has finger link 9, and the both ends of finger link 9 are the structure with tilting, V-type is presented with main part in each part that tilts.
The side of finger link 9 is fixedly connected with clamping cylinder 10, and the piston rod of clamping cylinder 10 is through the hand Refer to link 9 and be driven and drive at least two hands being articulated with the finger link 9 to quadric chain, quadric chain Fingering row is relatively close and away from motion, realizes the clamping and release to cable insulation;Clamping cylinder 10 is oriented to by connecting The main support 13 of bar 2 and above-mentioned insulating barrier remover 3 is slidably connected.
The section for connecting guide rod 2 is flat, while can ensureing relative slide, moreover it is possible to prevent insulating barrier remover Rotate.
Quadric chain includes the finger actuation bar 8 that is hinged of end and finger additional drive rods 11, finger actuation bar 8 are in " V " font structure.The turning bar portion of finger actuation bar 8 and finger additional drive rods 11 is articulated with cover plate 12, cover plate 12 with Finger link 9 is fixedly connected, and the piston rod of clamping cylinder 10 passes through jointed shaft and finger actuation bar 8 and finger additional drive rods 11 one end is hinged simultaneously, and the other end of finger actuation bar 8 and finger additional drive rods 11 is hinged with a finger 6 respectively, Two fingers 6 are articulated with finger link 9 by a finger connecting rod 7 respectively.In two finger connecting rods, one is in " one " Font, another is V-shaped.
The piston rod movement of clamping cylinder 10 promote finger actuation bar 8 around pin joint swung while, finger 6 is in hand Refer to the motion amplitude of finger 6 under the limitation for the parallelogram linkage that connecting rod 7 forms with finger actuation bar 8, to prevent hand It is excessive or too small to refer to 6 openings.
In order to prevent clamped cable from sliding, in the present invention, the inner side of two fingers 6 is respectively provided with anti-slip veins.Make For more excellent selection, two fingers 6 are the structures that Intermediate Gray has space so that the anti-slip veins on each finger 6 are respectively provided with two Point.Accordingly, when cable is clamped, two pairs of finger synchronization clampings are equivalent to, preferably limit the phase of cable insulation To rotating trend.
In order to improve versatility, in the end of main support 13, also set up and be connected with insulating bar 4, realize direct powered work While industry, also enable an operator to carry out indirect live working on ground, play a live overhead cable insulating barrier and remove Required length feed power when device is lifted to aerial cable nearby and provides insulating barrier excision.
While said apparatus is provided, present invention also offers carry out cable insulation removing using above-mentioned remove device Method, mainly comprise the following steps:
A, travelled forward by the piston rod of clamping cylinder 10, finger actuation bar 8 and finger additional drive rods 11 are laterally Expansion, then two fingers 6 synchronously carry out being relatively distant from motion, are put between two fingers 6 and put the cable for treating peeling, then clamping cylinder 10 piston rod is retracted, and finger actuation bar 8 and finger additional drive rods 11 are close to inner side, then two finger 6 is synchronous is carried out relatively Close to motion, treat that the cable of peeling is just clamped by the anti-slip veins on two fingers 6;
B, while treating that a part for the cable of peeling is put between two fingers 6, another part of the cable of peeling is treated Cutter is entered and has compressed the connecting plate of lower folder 19 and between folder 20 in cutter compression, then the piston rod of cutter compressed oil cylinder 17 returns Move back, cutter 22 is contacted with cable insulation;
C, drive cylinder 14 obtains power, and the piston rod of drive cylinder 14 carries out piston movement, then connector 24 is past therewith Multiple motion, the reciprocally swinging of ratchet bogie connecting rod 15 is driven, then ratchet bogie 16 just drives the intermittent exercise of ratchet 25, cutter 22 under the drive of ratchet 25 circumgyration incision insulating barrier.
The removing length of insulating barrier, can by operate insulating bar 4 connection guide rod 2 longitudinally opposed sliding distance come Control.
After employing said structure, insulating barrier remover provided by the present invention, toughness in general can be preferably removed Cable insulation.For the preferable insulating barrier of toughness, remover and clamping jaw can be used cooperatively, be clamped using clamping jaw A part for cable, prevents insulating barrier from rotating, and realizes that the insulating barrier of cable specific part is removed.
Power source part is hydraulic-driven, has compact-sized, the less advantage of quality.
The foregoing description of the disclosed embodiments, professional and technical personnel in the field are enable to realize or using the present invention. A variety of modifications to embodiment will be apparent for those skilled in the art, as defined herein general Principle can be realized in other embodiments without departing from the spirit or scope of the present invention, is not described in detail Part, be prior art, herein without repeating.Therefore, the present invention is not intended to be limited to these implementations shown in this article Example, and it is to fit to the most wide scope consistent with principles disclosed herein and feature.

Claims (9)

1. a kind of remove device, it is characterised in that the remove device includes clamping jaw, and the clamping jaw has finger link, and finger connects The side for connecing frame is fixedly connected with clamping cylinder, and the piston rod of clamping cylinder through the finger link and passes through double leval jib Mechanism drives at least two finger relative motions being articulated with the finger link, realizes the clamping to cable;Clamp oil Cylinder is connected by connecting guide rod with cable insulation remover;
Described cable insulation remover, including:Main support, main support is interior to have drive cylinder, the piston rod of drive cylinder It is fixedly connected with multi-connecting-rod mechanism, the power of drive cylinder is passed to ratchet bogie by multi-connecting-rod mechanism, on ratchet bogie It is hinged with ratchet;
Cutter is fixedly connected with the ratchet and compresses lower folder, folder is compressed to press from both sides and is hinged with cutter under cutter compresses, cutter pressure Tight lower folder controls cutter to compress the distance between folder by spacing adjusting mechanism;
Cutter, which compresses, to be pressed from both sides being the space for placing cable between being pressed from both sides under cutter compression;
The cutter compresses the side pressed from both sides and is connected with cutter;
Ratchet intermittent exercise under the drive of ratchet bogie, band cutter are coaxially moved, realized exhausted to cable at the same speed The removing of edge layer.
2. remove device according to claim 1, it is characterised in that the spacing adjusting mechanism includes being fixedly installed on knife Tool compresses the cutter compressed oil cylinder of lower folder side, the piston rod of cutter compressed oil cylinder through cutter compress lower folder and with cutter pressure Tightly upper folder is fixedly connected.
3. remove device according to claim 2, it is characterised in that the spacing adjusting mechanism also includes return spring, Return spring is placed on the piston rod of cutter compressed oil cylinder.
4. remove device according to claim 1, it is characterised in that the multi-connecting-rod mechanism includes connector, connector One end be fixedly connected with the piston rod of drive cylinder, the other end is hinged with ratchet bogie connecting rod, ratchet bogie connecting rod The other end be articulated with ratchet bogie.
5. remove device according to claim 1, it is characterised in that the ratchet bogie is oriented to by ratchet leading truck, Ratchet leading truck is fixedly connected on main support.
6. remove device according to claim 1, it is characterised in that shrouding, shrouding are fixedly connected with the main support The side of ratchet is covered.
7. remove device according to claim 1, it is characterised in that the quadric chain includes the hand that end is hinged The bar portion of finger drive rod and finger additional drive rods, finger actuation bar and finger additional drive rods is articulated with cover plate, cover plate It is fixedly connected with finger link, the piston rod of clamping cylinder passes through jointed shaft and finger actuation bar and finger additional drive rods One end is hinged simultaneously, and the other end of finger actuation bar and finger additional drive rods is hinged with a finger respectively, and two fingers pass through Finger rod hinge connection is on finger link.
8. remove device according to claim 7, it is characterised in that the end of the main support is fixed with insulating bar to be connected Connect.
9. a kind of remove device using described in claim any one of 1-8 carries out the method for cable insulation removing, its feature It is, step is as follows:
A, finger is controlled to clamp cable insulation by clamping cylinder;
B, being retracted by cutter compressed oil cylinder piston rod makes cutter be contacted with cable insulation;
C, drive cylinder driving pawl bogie drives ratchet intermittent exercise, and cutter circumgyration incision under the drive of ratchet insulate Layer.
CN201510732654.8A 2015-11-02 2015-11-02 Cable insulation remover and remove device and method with the remover Active CN105375406B (en)

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CN105375406B true CN105375406B (en) 2017-12-12

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107069580B (en) * 2017-04-18 2019-01-11 国网河北省电力公司衡水供电分公司 A kind of power supply system cable intermittently stretching formula apparatus for peeling off
CN109088354A (en) * 2018-05-04 2018-12-25 沈宇杰 Aerial cables upper annular sundries removal device
CN108512142B (en) * 2018-06-22 2023-11-24 国网湖北省电力有限公司武汉市江夏区供电公司 Ratchet Cable Stripper
CN109510118B (en) * 2018-12-07 2023-10-27 国网江苏省电力有限公司常州供电分公司 Automatic stripping device for cable insulation layer
CN111293634A (en) * 2020-01-03 2020-06-16 国网冀北电力有限公司秦皇岛供电公司 Device for breaking aluminum armor tape
CN112152156B (en) * 2020-09-14 2021-10-15 国网山东省电力公司商河县供电公司 Cable protective layer cutting device

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US6314839B1 (en) * 2000-11-27 2001-11-13 James M. Carter Reversible rachet wrench
CN2806068Y (en) * 2005-07-20 2006-08-16 胡井湖 Plate type built-in driven large-torque hydraulic spanner
CN101764339B (en) * 2010-02-10 2011-06-29 山东鲁能智能技术有限公司 Automatic peeling device for high-voltage hot-line work
CN202997431U (en) * 2012-12-20 2013-06-12 宁波电业局 Stripping tool for cable wire
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CN204396471U (en) * 2014-12-27 2015-06-17 中钢集团西安重机有限公司 A kind of rolling mill screwdown adjuster

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Address after: Wang Yue Central Road Ji'nan City, Shandong province 250002 City No. 2000

Co-patentee after: National Network Intelligent Technology Co., Ltd.

Patentee after: Electric Power Research Institute of State Grid Shandong Electric Power Company

Co-patentee after: State Grid Corporation of China

Address before: Wang Yue Central Road Ji'nan City, Shandong province 250002 City No. 2000

Co-patentee before: Shandong Luneng Intelligent Technology Co., Ltd.

Patentee before: Electric Power Research Institute of State Grid Shandong Electric Power Company

Co-patentee before: State Grid Corporation of China

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Effective date of registration: 20201027

Address after: 250101 Electric Power Intelligent Robot Production Project 101 in Jinan City, Shandong Province, South of Feiyue Avenue and East of No. 26 Road (ICT Industrial Park)

Patentee after: National Network Intelligent Technology Co.,Ltd.

Address before: Wang Yue Central Road Ji'nan City, Shandong province 250002 City No. 2000

Patentee before: ELECTRIC POWER RESEARCH INSTITUTE OF STATE GRID SHANDONG ELECTRIC POWER Co.

Patentee before: National Network Intelligent Technology Co.,Ltd.

Patentee before: STATE GRID CORPORATION OF CHINA