CN104868435A - Sealing joint for transfer between cable and signal cable and manufacturing method thereof - Google Patents

Sealing joint for transfer between cable and signal cable and manufacturing method thereof Download PDF

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Publication number
CN104868435A
CN104868435A CN201510296424.1A CN201510296424A CN104868435A CN 104868435 A CN104868435 A CN 104868435A CN 201510296424 A CN201510296424 A CN 201510296424A CN 104868435 A CN104868435 A CN 104868435A
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CN
China
Prior art keywords
electrode
stress tube
cable
waterproof system
extension
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.)
Pending
Application number
CN201510296424.1A
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Chinese (zh)
Inventor
张维秀
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Individual
Original Assignee
Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to CN201510296424.1A priority Critical patent/CN104868435A/en
Publication of CN104868435A publication Critical patent/CN104868435A/en
Pending legal-status Critical Current

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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
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/085—Cable junctions for coaxial cables or hollow conductors
    • 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
    • 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
    • H02G15/00—Cable fittings
    • H02G15/08—Cable junctions
    • H02G15/18—Cable junctions protected by sleeves, e.g. for communication cable
    • H02G15/184—Cable junctions protected by sleeves, e.g. for communication cable with devices for relieving electrical stress

Abstract

The invention discloses a sealing joint for transfer between a cable and a signal cable, which comprises a stress tube, a coaxial cable joint, a waterproof system, and an electrode, wherein cross sections at two ends of the stress tube are smaller than the cross section in the middle part; a first protection layer is arranged around the stress tube; the coaxial cable joint is arranged at the outer side of the first protection layer and located at one end of the stress tube; the coaxial cable joint and the stress tube are connected via the electrode; and the waterproof system sleeves the stress tube and the coaxial cable joint. The invention also discloses a sealing joint manufacturing method. in order to solve defects that in the condition of force pulling in the prior art, intrusion of a foreign body happens due to looseness, an arcing phenomenon thus happens between cables in the stress tube, and electric energy transmission is influenced, a new connection structure is designed, separation between the cable and the sealing joint under the pulling force can be effectively avoided, the arcing phenomenon due to immersion of conductive liquid can be prevented from happening, and safety accidents can be prevented from happening.

Description

Seal nipple that a kind of cable and signal cable are transferred and preparation method thereof
Technical field
The present invention relates to technical field of electric power, specifically, is a kind of cable and signal cable seal nipple of transferring and preparation method thereof.
Background technology
In electric power system, installations and facilities for electric energy transmitting are mainly divided into cable, power distribution station, transformer station, the conventional facility that cable transports as electric power, be widely used, in the occasion that some are special, often the cable of transferring electric power synchronously sets up together with the signal cable of signal transmission, connect for ease of carrying out shielding between cable and signal cable in joint, existing specialized designs has cable, signal cable sealing device, comprise the middle stress tube for stube cable, be arranged on the coaxial fitting outside stress tube one end, electrode, extension etc., the existing cable for docking in effective airtight stress tube, be provided with extension especially, the outside diameter of cable is identical with extension internal diameter, cable is placed in after in extension, both presentation displays are airtight, but when there is situation about pullling energetically, cable is easy to occur loosening phenomenon, when there being conducting liquid to immerse, owing to there is gap between stress tube inner cable and cable, in addition conducting liquid, be easy to occur that arcing situation occurs, thus damage cable, affect delivery of electrical energy, thus bring transmission fault for whole circuit, lead to security incident.
Summary of the invention
Seal nipple that the object of the present invention is to provide a kind of cable and signal cable to transfer and preparation method thereof, solve prior art when stressed pullling, occur that because loosening foreign matter invades to cause between stress tube inner cable and occur phenomenon of arc discharge, affect the deficiency of delivery of electrical energy, design a kind of new syndeton, effectively avoid cable and seal nipple to depart from pullling under power, conducting liquid immerses and occurs the generation of arcing situation, to reach the generation avoiding security incident.
The present invention is achieved through the following technical solutions:
The seal nipple that a kind of cable and signal cable are transferred, comprise stress tube, coaxial fitting, waterproof system, electrode, described stress tube two ends cross section is less than middle cross section, stress tube is provided with the first overcoat, outside described first overcoat and the one end being positioned at stress tube is provided with coaxial fitting, by Electrode connection between described coaxial fitting and stress tube, described waterproof system is set in stress tube, coaxial fitting; Also comprise extension, described extension inwall is provided with internal thread, and described extension is connected to stress tube two ends.
Further, to better implement the present invention, also comprise instrument connection, the opening of described instrument connection is arranged on waterproof system skin, and instrument connection and Electrode connection.
Further, to better implement the present invention, also comprise extension, described extension is connected to stress tube two ends.
Further, to better implement the present invention, described electrode comprises the first electrode and the second electrode, first electrode is positioned at coaxial fitting side and is connected with stress tube, described second electrode is positioned at the other end of stress tube and is connected with stress tube, forms conductive conduits between described first electrode and the second electrode.
Further, to better implement the present invention, described stress tube adopts prestressed pipe.
Further, to better implement the present invention, described waterproof system adopts PVC material-structure.
Further, to better implement the present invention, described first overcoat is preventing rubber layer.
The invention also discloses the manufacture method of a kind of cable and signal cable adapter seal nipple, comprise the following steps:
S1: install extension respectively at the two ends of prestressed pipe, and on the inwall of extension machining internal thread;
S2: arrange PVC waterproof system on prestressed pipe outer wall, makes waterproof system cover prestressed pipe outer wall completely;
S3: connect the first electrode and the second electrode at the two ends of prestressed pipe respectively, first electrode is connected respectively at prestressed pipe two ends with the second electrode, connecting coaxial cable joint on the first electrode, makes prestressed pipe be connected with coaxial fitting by the first electrode;
S4: arrange layer of PVC on waterproof system outer wall, makes to form conductive channel between the first electrode and the second electrode, the first electrode is connected by conductive channel with the second electrode, and arranges instrument connection on PVCC layer, instrument connection is communicated with conductive channel.
The present invention compared with prior art, has the following advantages and beneficial effect:
(1) the present invention solves prior art when stressed pullling, occur that because loosening foreign matter invades to cause between stress tube inner cable and occur phenomenon of arc discharge, affect the deficiency of delivery of electrical energy, design a kind of new syndeton, cable and seal nipple is effectively avoided to depart from pullling under power, conducting liquid immerses and occurs the generation of arcing situation, to reach the generation avoiding security incident.
(2) waterproof system of the present invention effectively can carry out waterproof, avoids stress tube, coaxial fitting by liquid etch, affects the life-span of the present invention.
(3) instrument connection energy connecting test equipment of the present invention is tested internal electrode.
(4) prestressed pipe that the present invention adopts is a kind of calibration tube, can not affect the electric property between cable that inside is connected because of deformation.
Accompanying drawing explanation
Fig. 1 is structure chart of the present invention.
Wherein, 1. stress tube, 2. coaxial fitting, 3. the first electrode, 4. instrument connection, 5. waterproof system, 6. conductive conduits, 7. the second electrode, 8. extension, 10. internal thread.
Embodiment
The applicant to identify oneself in technical field technician in conjunction with existing known technology, and can realize the present invention according to the content disclosed in present specification.
Below in conjunction with embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited thereto.
Embodiment 1:
The seal nipple that a kind of cable and signal cable are transferred, as shown in Figure 1, comprise stress tube 1, coaxial fitting 2, waterproof system 5, electrode, described stress tube 1 two ends cross section is less than middle cross section, stress tube 1 is provided with the first overcoat, outside described first overcoat and the one end being positioned at stress tube 1 is provided with coaxial fitting 2, by Electrode connection between described coaxial fitting 2 and stress tube 1, described waterproof system 5 is set in stress tube 1, coaxial fitting 5; Also comprise extension 8, described extension 8 inwall is provided with internal thread 10, and described extension 8 is connected to stress tube 1 two ends.
In use, because extension 8 inwall is provided with internal thread 10, when cable is that stress tube connects, the internal thread of extension is threaded with between cable, avoid pullling situation about coming off to occur, there will not be the immersion of conducting liquid simultaneously, occur the generation of arcing situation.Solve prior art when stressed pullling, occur that because loosening foreign matter invades to cause between stress tube inner cable and occur phenomenon of arc discharge, affect the deficiency of delivery of electrical energy, design a kind of new syndeton, cable and seal nipple is effectively avoided to depart from pullling under power, conducting liquid immerses and occurs the generation of arcing situation, to reach the generation avoiding security incident.
Embodiment 2:
The present embodiment is at the enterprising one-step optimization in the basis of above-described embodiment, further, to better implement the present invention, as shown in Figure 1, comprise stress tube 1, coaxial fitting 2, waterproof system 5, electrode, described stress tube 1 two ends cross section is less than middle cross section, stress tube 1 is provided with the first overcoat, outside described first overcoat and the one end being positioned at stress tube 1 is provided with coaxial fitting 2, by Electrode connection between described coaxial fitting 2 and stress tube 1, described waterproof system 5 is set in stress tube 1, coaxial fitting 5; Also comprise extension 8, described extension 8 inwall is provided with internal thread 10, and described extension 8 is connected to stress tube 1 two ends; Also comprise instrument connection 4, the opening of described instrument connection 4 is arranged on waterproof system 5 skin, and instrument connection 4 and Electrode connection, in use, because extension 8 inwall is provided with internal thread 10, when cable is that stress tube connects, the internal thread of extension is threaded with between cable, avoids pullling situation about coming off and occurs, there will not be the immersion of conducting liquid simultaneously, occur the generation of arcing situation, instrument connection energy connecting test equipment is tested internal electrode.
Embodiment 3:
The present embodiment is at the enterprising one-step optimization in the basis of embodiment 1, as shown in Figure 1, further, to better implement the present invention, comprise stress tube 1, coaxial fitting 2, waterproof system 5, electrode, described stress tube 1 two ends cross section is less than middle cross section, stress tube 1 is provided with the first overcoat, outside described first overcoat and the one end being positioned at stress tube 1 is provided with coaxial fitting 2, by Electrode connection between described coaxial fitting 2 and stress tube 1, described waterproof system 5 is set in stress tube 1, coaxial fitting 5, also comprise extension 8, described extension 8 inwall is provided with internal thread 10, described extension 8 is connected to stress tube 1 two ends, described electrode comprises the first electrode 3 and the second electrode 7, first electrode is positioned at coaxial fitting 2 side and is connected with stress tube 1, described second electrode 7 is positioned at the other end of stress tube and is connected with stress tube 1, conductive conduits 6 is formed between described first electrode 3 and the second electrode 7, in use, because extension 8 inwall is provided with internal thread 10, when cable is that stress tube connects, the internal thread of extension is threaded with between cable, avoid pullling situation about coming off to occur, there will not be the immersion of conducting liquid simultaneously, there is the generation of arcing situation.
Embodiment 4:
The present embodiment is at the enterprising one-step optimization in the basis of above-mentioned any embodiment, further, to better implement the present invention, comprise stress tube 1, coaxial fitting 2, waterproof system 5, electrode, described stress tube 1 two ends cross section is less than middle cross section, stress tube 1 is provided with the first overcoat, outside described first overcoat and the one end being positioned at stress tube 1 is provided with coaxial fitting 2, by Electrode connection between described coaxial fitting 2 and stress tube 1, described waterproof system 5 is set in stress tube 1, coaxial fitting 5; Also comprise extension 8, described extension 8 inwall is provided with internal thread 10, and described extension 8 is connected to stress tube 1 two ends; Also comprise instrument connection 4, the opening of described instrument connection 4 is arranged on waterproof system 5 skin, and instrument connection 4 and Electrode connection; Described electrode comprises the first electrode 3 and the second electrode 7, first electrode is positioned at coaxial fitting 2 side and is connected with stress tube 1, described second electrode 7 is positioned at the other end of stress tube and is connected with stress tube 1, form conductive conduits 6 between described first electrode 3 and the second electrode 7, described stress tube 1 adopts prestressed pipe.
In use, because extension 8 inwall is provided with internal thread 10, when cable is that stress tube connects, the internal thread of extension is threaded with between cable, avoids pullling situation about coming off and occurs, there will not be the immersion of conducting liquid simultaneously, there is the generation of arcing situation, instrument connection energy connecting test equipment is tested internal electrode, and the prestressed pipe of employing is a kind of calibration tube, can not affect the electric property between cable that inside is connected because of deformation.
Embodiment 5:
The present embodiment is the enterprising one-step optimization in basis in embodiment 1, embodiment 2, embodiment 3, further, to better implement the present invention, comprise stress tube 1, coaxial fitting 2, waterproof system 5, electrode, described stress tube 1 two ends cross section is less than middle cross section, stress tube 1 is provided with the first overcoat, outside described first overcoat and the one end being positioned at stress tube 1 is provided with coaxial fitting 2, by Electrode connection between described coaxial fitting 2 and stress tube 1, described waterproof system 5 is set in stress tube 1, coaxial fitting 5; Also comprise extension 8, described extension 8 inwall is provided with internal thread 10, and described extension 8 is connected to stress tube 1 two ends; Also comprise instrument connection 4, the opening of described instrument connection 4 is arranged on waterproof system 5 skin, and instrument connection 4 and Electrode connection; Described electrode comprises the first electrode 3 and the second electrode 7, first electrode is positioned at coaxial fitting 2 side and is connected with stress tube 1, described second electrode 7 is positioned at the other end of stress tube and is connected with stress tube 1, conductive conduits 6 is formed between described first electrode 3 and the second electrode 7, described stress tube 1 adopts prestressed pipe, and described waterproof system 5 adopts PVC material-structure.
In use, because extension 8 inwall is provided with internal thread 10, when cable is that stress tube connects, the internal thread of extension is threaded with between cable, avoid pullling situation about coming off to occur, there will not be the immersion of conducting liquid simultaneously, there is the generation of arcing situation, instrument connection energy connecting test equipment is tested internal electrode, the prestressed pipe adopted is a kind of calibration tube, the electric property between cable that inside is connected can not be affected because of deformation, waterproof system effectively can carry out waterproof, avoid stress tube, coaxial fitting is by liquid etch, affect the life-span of the present invention.
Embodiment 6:
The present embodiment is the enterprising one-step optimization in basis in embodiment 1, embodiment 2, embodiment 3, further, to better implement the present invention, comprise stress tube 1, coaxial fitting 2, waterproof system 5, electrode, described stress tube 1 two ends cross section is less than middle cross section, stress tube 1 is provided with the first overcoat, outside described first overcoat and the one end being positioned at stress tube 1 is provided with coaxial fitting 2, by Electrode connection between described coaxial fitting 2 and stress tube 1, described waterproof system 5 is set in stress tube 1, coaxial fitting 5; Also comprise extension 8, described extension 8 inwall is provided with internal thread 10, and described extension 8 is connected to stress tube 1 two ends; Also comprise instrument connection 4, the opening of described instrument connection 4 is arranged on waterproof system 5 skin, and instrument connection 4 and Electrode connection; Described electrode comprises the first electrode 3 and the second electrode 7, first electrode is positioned at coaxial fitting 2 side and is connected with stress tube 1, described second electrode 7 is positioned at the other end of stress tube and is connected with stress tube 1, conductive conduits 6 is formed between described first electrode 3 and the second electrode 7, described stress tube 1 adopts prestressed pipe, described waterproof system 5 adopts PVC material-structure, and described first overcoat is preventing rubber layer.
The present invention solves prior art when stressed pullling, occur that because loosening foreign matter invades to cause between stress tube inner cable and occur phenomenon of arc discharge, affect the deficiency of delivery of electrical energy, design a kind of new syndeton, cable and seal nipple is effectively avoided to depart from pullling under power, conducting liquid immerses and occurs the generation of arcing situation, to reach the generation avoiding security incident.
Embodiment 7:
The invention also discloses the manufacture method of a kind of cable and signal cable adapter seal nipple, comprise the following steps:
S1: install extension 8 respectively at the two ends of prestressed pipe, and on the inwall of extension 8 machining internal thread 10;
S2: arrange PVC waterproof system 5 on prestressed pipe outer wall, makes waterproof system 5 cover prestressed pipe outer wall completely;
S3: connect the first electrode 3 and the second electrode 7 at the two ends of prestressed pipe respectively, first electrode 3 is connected respectively at prestressed pipe two ends with the second electrode 7, connecting coaxial cable joint 2 on the first electrode 3, makes prestressed pipe be connected with coaxial fitting 2 by the first electrode 3;
S4: layer of PVC is set on waterproof system 5 outer wall, make to form conductive channel 6 between the first electrode 3 and the second electrode 7, first electrode 3 is connected by conductive channel 6 with the second electrode 7, and instrument connection 4 is set on PVCC layer, instrument connection 4 is communicated with conductive channel 6.
The above is only preferred embodiment of the present invention, and not do any pro forma restriction to the present invention, every any simple modification, equivalent variations done above embodiment according to technical spirit of the present invention, all falls within protection scope of the present invention.

Claims (7)

1. a cable and the signal cable seal nipple of transferring, it is characterized in that: comprise stress tube (1), coaxial fitting (2), waterproof system (5), electrode, described stress tube (1) two ends cross section is less than middle cross section, stress tube (1) is provided with the first overcoat, outside described first overcoat and the one end being positioned at stress tube (1) is provided with coaxial fitting (2), Electrode connection is passed through between described coaxial fitting (2) and stress tube (1), described waterproof system (5) is set in stress tube (1), in coaxial fitting (5), also comprise extension (8), described extension (8) inwall is provided with internal thread (10), and described extension (8) is connected to stress tube (1) two ends.
2. a kind of cable according to claim 1 and the signal cable seal nipple of transferring, is characterized in that: also comprise instrument connection (4), and it is outer that the opening of described instrument connection (4) is arranged on waterproof system (5), and instrument connection (4) and Electrode connection.
3. a kind of cable according to claim 1 and the signal cable seal nipple of transferring, it is characterized in that: described electrode comprises the first electrode (3) and the second electrode (7), first electrode is positioned at coaxial fitting (2) side and is connected with stress tube (1), described second electrode (7) is positioned at the other end of stress tube and is connected with stress tube (1), forms conductive conduits (6) between described first electrode (3) and the second electrode (7).
4. the seal nipple that a kind of cable according to any one of claim 1-3 and signal cable are transferred, is characterized in that: described stress tube (1) adopts prestressed pipe.
5. the seal nipple that a kind of cable according to any one of claim 1-3 and signal cable are transferred, is characterized in that: described waterproof system (5) adopts PVC material-structure.
6. the seal nipple that a kind of cable according to any one of claim 1-3 and signal cable are transferred, is characterized in that: described first overcoat is preventing rubber layer.
7. a manufacture method for cable and signal cable adapter seal nipple, is characterized in that: comprise the following steps:
S1: install extension (8) at the two ends of prestressed pipe respectively, and on the inwall of extension (8) machining internal thread (10);
S2: arrange PVC waterproof system (5) on prestressed pipe outer wall, makes waterproof system (5) cover prestressed pipe outer wall completely;
S3: connect the first electrode (3) and the second electrode (7) at the two ends of prestressed pipe respectively, first electrode (3) is connected respectively at prestressed pipe two ends with the second electrode (7), at the upper connecting coaxial cable joint (2) of the first electrode (3), prestressed pipe is connected with coaxial fitting (2) by the first electrode (3);
S4: layer of PVC is set on waterproof system (5) outer wall, make to form conductive channel (6) between the first electrode (3) and the second electrode (7), first electrode (3) is connected by conductive channel (6) with the second electrode (7), and instrument connection (4) is set in layer of PVC, instrument connection (4) is communicated with conductive channel (6).
CN201510296424.1A 2015-06-02 2015-06-02 Sealing joint for transfer between cable and signal cable and manufacturing method thereof Pending CN104868435A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510296424.1A CN104868435A (en) 2015-06-02 2015-06-02 Sealing joint for transfer between cable and signal cable and manufacturing method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510296424.1A CN104868435A (en) 2015-06-02 2015-06-02 Sealing joint for transfer between cable and signal cable and manufacturing method thereof

Publications (1)

Publication Number Publication Date
CN104868435A true CN104868435A (en) 2015-08-26

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Application Number Title Priority Date Filing Date
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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109103683A (en) * 2018-08-29 2018-12-28 江苏亨鑫科技有限公司 Curved coaxial cable protecting device of roller
CN110112589A (en) * 2019-06-03 2019-08-09 常州安凯特电力器件有限公司 Cable intermediate joint coaxial cable earth clip and its installation method
CN111352046A (en) * 2020-04-14 2020-06-30 郑州峻斯电子科技有限公司 Device for automatically retrieving and sealing wire fracture

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6040527A (en) * 1997-11-28 2000-03-21 Alcatel Cable joint with grounding connection and/or screen cross-bonding for power cables
CN202058874U (en) * 2011-05-30 2011-11-30 长园电力技术有限公司 Cable joint
CN103219687A (en) * 2013-04-23 2013-07-24 常州市拓源电缆成套有限公司 220k cable terminal
CN104065021A (en) * 2014-04-23 2014-09-24 李超 False cable joint

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6040527A (en) * 1997-11-28 2000-03-21 Alcatel Cable joint with grounding connection and/or screen cross-bonding for power cables
CN202058874U (en) * 2011-05-30 2011-11-30 长园电力技术有限公司 Cable joint
CN103219687A (en) * 2013-04-23 2013-07-24 常州市拓源电缆成套有限公司 220k cable terminal
CN104065021A (en) * 2014-04-23 2014-09-24 李超 False cable joint

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109103683A (en) * 2018-08-29 2018-12-28 江苏亨鑫科技有限公司 Curved coaxial cable protecting device of roller
CN109103683B (en) * 2018-08-29 2023-11-17 江苏亨鑫科技有限公司 Bent coaxial cable protection device
CN110112589A (en) * 2019-06-03 2019-08-09 常州安凯特电力器件有限公司 Cable intermediate joint coaxial cable earth clip and its installation method
CN110112589B (en) * 2019-06-03 2024-01-12 信承瑞(常州)电力技术有限公司 Coaxial cable grounding clamp for cable intermediate connector and installation method thereof
CN111352046A (en) * 2020-04-14 2020-06-30 郑州峻斯电子科技有限公司 Device for automatically retrieving and sealing wire fracture

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Application publication date: 20150826