CN114334298B - Manufacturing process of self-supporting power cable - Google Patents
Manufacturing process of self-supporting power cable Download PDFInfo
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- CN114334298B CN114334298B CN202210026151.9A CN202210026151A CN114334298B CN 114334298 B CN114334298 B CN 114334298B CN 202210026151 A CN202210026151 A CN 202210026151A CN 114334298 B CN114334298 B CN 114334298B
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims abstract description 85
- 238000003825 pressing Methods 0.000 claims abstract description 34
- 239000000843 powder Substances 0.000 claims abstract description 31
- 238000001125 extrusion Methods 0.000 claims abstract description 24
- 238000012545 processing Methods 0.000 claims abstract description 10
- 230000001360 synchronised effect Effects 0.000 claims description 21
- 238000001746 injection moulding Methods 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims description 4
- 230000008569 process Effects 0.000 claims description 4
- 238000007689 inspection Methods 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 3
- 238000005429 filling process Methods 0.000 abstract description 3
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 229910010293 ceramic material Inorganic materials 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000013307 optical fiber Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003989 dielectric material Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
Abstract
The invention discloses a self-supporting power cable manufacturing process, which belongs to the technical field of cable manufacturing, wherein the manufacturing process is realized based on a cable paste extrusion filling device, and the cable paste extrusion filling device comprises a base, a belt driving mechanism, a cable feeding mechanism and a double-screw extrusion filling mechanism; the belt driving mechanism is arranged in the base and is used for providing power for the cable feeding mechanism and the double-screw pressing and filling mechanism; the cable feeding mechanism is arranged on the base and used for driving the linear motion of the processing cable; the double-screw pressing and filling mechanism is arranged on the cable feeding mechanism and is used for filling and pressing cable paste through double-screw ring rotation; according to the invention, the cable paste extrusion filling device consisting of the base, the belt type driving mechanism, the cable feeding mechanism and the double-screw pressing filling mechanism is constructed, and the cable paste extrusion filling device optimizes the cable paste filling process of the traditional self-supporting cable, so that the water-blocking powder cable paste can be tightly compacted in a gap for processing the cable, and the performance of the self-supporting cable is improved.
Description
Technical Field
The invention relates to the technical field of cable manufacturing, in particular to a self-supporting power cable manufacturing process.
Background
Self-supporting cable is also known as a "self-supporting cable" and refers to a cable in which the load-bearing object and the cable or cable are made as one piece. Such as optical fiber cables used in fiber optic communications over high voltage transmission towers. The self-supporting optical cable is called as all-medium self-supporting optical cable, which means that the reinforcing member of the optical cable can bear dead weight and external load. The name points to the environment of use of the optical cable and the key technology thereof: the self-supporting type ceramic material has the advantage that the mechanical strength is important because of self-supporting type ceramic material; the use of all-dielectric materials is because the fiber optic cable is in a high-voltage electrical environment and must be able to withstand the effects of strong electricity; because the cable is used overhead on the power tower, a matched hanging piece is needed to fix the cable on the tower.
The existing self-supporting power cable is characterized in that cable paste is filled between optical fibers and steel-plastic composite belts in the manufacturing process, the cable paste is mainly composed of water-blocking powder, the traditional cable paste is filled in a mode that the cables penetrate through a filling box filled with the water-blocking powder, the water-blocking powder is pressed in gaps among the cables under the action of torsion of the cables, but the process is simple, the pressing effect is easy to loosen, and the forming effect is insufficient.
Disclosure of Invention
1. Technical problem to be solved
The present invention is directed to a manufacturing process of a self-supporting power cable, so as to solve the problems set forth in the background art.
2. Technical proposal
A self-supporting power cable manufacturing process is realized based on a cable paste extrusion filling device,
the cable paste extrusion filling device comprises a base, a belt driving mechanism, a cable feeding mechanism and a double-screw pressing filling mechanism;
the belt driving mechanism is arranged in the base and is used for providing power for the cable feeding mechanism and the double-screw pressing and filling mechanism;
the cable feeding mechanism is arranged on the base and used for driving the linear motion of the processing cable;
the double-screw pressing and filling mechanism is arranged on the cable feeding mechanism and is used for pressing and filling the cable paste through double-screw ring rotation;
the manufacturing process comprises the steps of,
s1, a wire is arranged, and a processing cable passes through the cable feeding mechanism and the inside of the double-screw press filling mechanism;
s2, filling a sufficient amount of water-blocking cable paste in the double-screw press filling mechanism;
s3, starting up, driving the belt type driving mechanism to move through an external control mechanism, so that the cable feeding mechanism and the double-screw press filling mechanism fill the cable paste on the processed cable;
s4, quality inspection, namely inspecting the processed cable output from the cable paste extrusion filling device through real-time observation;
s5, injection molding, wherein the processed cable filled with the cable paste is introduced into an injection molding machine for surface insulation treatment.
Preferably, the belt driving mechanism comprises a wheel shaft, a driving motor, a synchronous wheel, a synchronous belt and driving teeth; the synchronous pulley is characterized in that the number of the axles is two, the axles are symmetrically arranged inside the base in a radial structure, a driving motor is coaxially connected to one of the axles, the number of the synchronous pulleys is two, the synchronous pulleys are respectively sleeved on the two axles, the two synchronous pulleys are in transmission connection through a sleeved synchronous belt, a plurality of tooth columns A are uniformly arranged on the surface of the synchronous belt, the tooth columns A are in meshed contact with the double-screw pressing filling mechanism, the number of the driving teeth is two, the driving teeth are respectively sleeved on the two axles, and the driving teeth are in meshed connection with the cable feeding mechanism.
Preferably, the cable feeding mechanism comprises two rotating seats which are symmetrically arranged on the base in a vertical structure, a rotating groove communicated with the inner cavity is formed in the rotating seats, a rotating ring is arranged in the rotating groove, a plurality of feeding wheels are sleeved on the rotating ring at equal intervals in an annular mode, a plurality of feeding wheels enclose a cable feeding cavity, and tooth grooves meshed with the driving teeth are formed in the surface of one feeding wheel.
Preferably, a plurality of tooth columns B are arranged on one side of the rotating ring at equal intervals in an annular shape, an oblique tooth groove is formed in the center of the feeding wheel, and the oblique tooth groove is in meshed contact with the tooth columns B.
Preferably, the feeding wheel is clamped in the wheel groove of the rotating seat through the rim.
Preferably, the double-screw pressing and filling mechanism comprises a filling cylinder axially arranged between two rotating seats, a plurality of helical teeth are arranged on the surface of the filling cylinder in an annular equidistant manner, the helical teeth are in meshed contact with the tooth column A, a plurality of extrusion wheels distributed along a left-handed thread line are axially arranged inside the filling cylinder, a plurality of extrusion wheels form a cable extrusion cavity, a plurality of powder falling devices distributed along a right-handed thread line are axially arranged inside the filling cylinder, and a plurality of powder falling device outlets are all directed to the cable extrusion cavity.
Preferably, the powder falling device consists of a funnel, a ball head swing rod and an amplitude component; the funnel is arranged on the inner wall of the packing cylinder through a fixing frame gap, the ball head swing rod is limited in the funnel outlet through the ball heads at the two ends of the ball head swing rod, and the amplitude component is arranged in an amplitude cavity inside the ball head swing rod.
Preferably, the amplitude component comprises a main spring arranged along the direction of the ball head swing rod body, and one end of the main spring, which is opposite to the inner part of the funnel, is connected with two auxiliary springs in a fork-shaped structure.
3. Advantageous effects
Compared with the prior art, the invention has the advantages that:
1. according to the invention, the cable paste extrusion filling device consisting of the base, the belt type driving mechanism, the cable feeding mechanism and the double-screw pressing filling mechanism is constructed, and the cable paste extrusion filling device optimizes the cable paste filling process of the traditional self-supporting cable, so that the water-blocking powder cable paste can be tightly compacted in a gap of a processed cable, and the high shielding and radiation-resistant performance of the self-supporting cable is improved.
2. The invention also designs a plurality of extrusion wheels and a plurality of powder falling devices which are in double-spiral structures in the filling cylinder, so that powder can be uniformly scattered on a processing cable in the filling cylinder, and when the powder falling devices rotate to a high position, powder contained in the powder falling devices flows out from a funnel outlet under the action of gravity, meanwhile, a ball head swing rod is subjected to the vibration amplitude action of an internal spring structure in the rotating process and swings back and forth in the funnel outlet, so that the powder is scattered in an arc shape, the scattering area is increased, and the filling dead angle is reduced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a partially exploded view of the present invention;
FIG. 3 is a schematic cross-sectional view of a double screw press filling mechanism according to the present invention;
FIG. 4 is a schematic cross-sectional view of the powder falling device according to the present invention;
the reference numerals in the figures illustrate: 1. a base; 2. a belt drive mechanism; 3. a cable feeding mechanism; 4. a double-screw press filling mechanism;
201. a wheel axle; 202. a driving motor; 203. a synchronizing wheel; 204. a synchronous belt; 205. a drive tooth; 206. tooth column A;
301. a rotating seat; 302. a rotating groove; 303. a rotating ring; 304. a feed wheel; 305. tooth column B; 306. oblique tooth grooves; 307. a rim;
401. a filler cylinder; 402. helical teeth; 403. a pressing wheel; 404. a powder falling device; 405. a funnel; 406. ball head swing rod; 407. an amplitude component; 408. a main spring; 409. and a secondary spring.
Detailed Description
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
Referring to fig. 1-4, the present invention provides a technical solution:
a manufacturing process of a self-supporting power cable, which is realized based on a cable paste extrusion filling device,
the cable paste extrusion filling device comprises a base 1, a belt driving mechanism 2, a cable feeding mechanism 3 and a double-screw press filling mechanism 4;
the belt driving mechanism 2 is arranged in the base 1 and is used for providing power for the cable feeding mechanism 3 and the double-screw pressing and filling mechanism 4;
the cable feeding mechanism 3 is arranged on the base 1 and is used for driving the linear motion of the processing cable;
the double-screw pressing and filling mechanism 4 is arranged on the cable feeding mechanism 3 and is used for pressing and filling cable paste through double-screw ring rotation; according to the invention, the cable paste extrusion filling device consisting of the base 1, the belt driving mechanism 2, the cable feeding mechanism 3 and the double-screw pressing filling mechanism 4 is constructed, and the cable paste extrusion filling device optimizes the cable paste filling process of the traditional self-supporting cable, so that the water-blocking powder cable paste can be tightly compacted in a gap of a processed cable, and the high shielding and radiation-resistant performance of the self-supporting cable is improved.
The manufacturing process comprises the following steps of,
s1, a wire is arranged, and a processing cable passes through the cable feeding mechanism 3 and the double-screw press filling mechanism 4;
s2, filling a sufficient amount of water-blocking cable paste in the double-screw press filling mechanism 4;
s3, starting up, driving the belt driving mechanism 2 to move through an external control mechanism, so that the cable feeding mechanism 3 and the double-screw press filling mechanism 4 fill the processed cable with cable paste;
s4, quality inspection, namely inspecting the processed cable output from the cable paste extrusion filling device through real-time observation;
s5, injection molding, wherein the processed cable filled with the cable paste is introduced into an injection molding machine for surface insulation treatment.
Specifically, the belt driving mechanism 2 includes an axle 201, a driving motor 202, a synchronizing wheel 203, a synchronous belt 204, and driving teeth 205; the number of the wheel shafts 201 is two, the wheel shafts 201 are symmetrically arranged in the base 1 in a radial structure, the driving motor 202 is coaxially connected to one wheel shaft 201, the number of the synchronous wheels 203 is two, the two synchronous wheels 203 are respectively sleeved on the two wheel shafts 201, the two synchronous wheels 203 are in transmission connection through the sleeved synchronous belt 204, a plurality of tooth columns A206 are uniformly arranged on the surface of the synchronous belt 204, the tooth columns A206 are in meshed contact with the double-screw pressing filling mechanism 4, the number of the driving teeth 205 is two, the two driving teeth 205 are respectively sleeved on the two wheel shafts 201, and the driving teeth 205 are in meshed connection with the cable feeding mechanism 3.
Further, the cable feeding mechanism 3 includes two rotating seats 301 symmetrically arranged on the base 1 in a vertical structure, a rotating groove 302 communicating with an inner cavity is formed in the rotating seat 301, a rotating ring 303 is arranged in the rotating groove 302, a plurality of feeding wheels 304 are sleeved on the rotating ring 303 in an annular equidistant manner, the plurality of feeding wheels 304 enclose a cable feeding cavity, and tooth grooves meshed with the driving teeth 205 are formed in the surface of one feeding wheel 304.
Still further, a plurality of tooth columns B305 are arranged on one side vertical surface of the rotating ring 303 at equal intervals in an annular shape, a bevel tooth groove 306 is arranged at the center of the circle of the feeding wheel 304, and the bevel tooth groove 306 is in meshed contact with the tooth columns B305.
Further, the feeding wheel 304 is clamped in the wheel groove of the rotating seat 301 through the rim 307.
It should be noted that, the double-screw pressing and filling mechanism 4 includes a filling cylinder 401 axially disposed between two rotating seats 301, the filling cylinder 401 is rotatably mounted on the rotating seats 301 through an embedded rotation or a bearing, a plurality of helical teeth 402 are disposed on the surface of the filling cylinder 401 at equal intervals in a ring shape, the helical teeth 402 are in meshing contact with the tooth column a206, a plurality of pressing wheels 403 distributed along a left-handed thread line are axially disposed inside the filling cylinder 401, the plurality of pressing wheels 403 form a cable pressing cavity, a plurality of powder dropping devices 404 distributed along a right-handed thread line are axially disposed inside the filling cylinder 401, and outlets of the plurality of powder dropping devices 404 are all directed to the cable pressing cavity. The packing cylinder 401 of the present invention is provided with a feed port for supplementing water-blocking powder, and this structure is a common structure, and will not be described here too much.
It is noted that the powder falling device 404 is composed of a funnel 405, a ball swing rod 406 and an amplitude component 407; the funnel 405 is arranged on the inner wall of the packing cylinder 401 through a fixing frame gap, the ball head swing rod 406 is limited in the outlet of the funnel 405 through the ball heads at the two ends of the ball head swing rod, and the amplitude component 407 is arranged in an amplitude cavity inside the ball head swing rod 406.
In addition, the amplitude component 407 includes a main spring 408 disposed along the rod direction of the ball-head swing rod 406, and two auxiliary springs 409 are connected to one end of the main spring 408 opposite to the interior of the funnel 405 in a fork-shaped structure. The invention also designs a plurality of extrusion wheels 403 and a plurality of powder dropping devices 404 which are in double spiral structures in the filling cylinder 401, so that powder can be uniformly scattered on a processing cable in the filling cylinder 401, and when the powder dropping devices 404 rotate to a high position, powder contained in the powder dropping devices flows out from the outlet of the hopper 405 under the action of gravity, meanwhile, the ball head swing rod 406 is subjected to the amplitude action of an internal spring structure in the rotating process, and swings back and forth in the outlet of the hopper 405, so that the powder is in arc-shaped throwing when being scattered, the scattering area is increased, and the filling dead angle is reduced.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (5)
1. A self-supporting power cable manufacturing process, which is realized based on a cable paste extrusion filling device, is characterized in that:
the cable paste extrusion filling device comprises a base (1), a belt driving mechanism (2), a cable feeding mechanism (3) and a double-screw pressing filling mechanism (4);
the belt driving mechanism (2) is arranged in the base (1) and is used for providing power for the cable feeding mechanism (3) and the double-screw pressing filling mechanism (4);
the cable feeding mechanism (3) is arranged on the base (1) and is used for driving the linear motion of the processing cable;
the double-screw pressing and filling mechanism (4) is arranged on the cable feeding mechanism (3) and is used for filling and pressing cable paste through double-screw ring rotation;
the belt driving mechanism (2) comprises a wheel shaft (201), a driving motor (202), a synchronous wheel (203), a synchronous belt (204) and driving teeth (205); the two synchronous wheels (203) are respectively sleeved on the two wheel shafts (201), the two synchronous wheels (203) are in transmission connection through a sleeved synchronous belt (204), a plurality of tooth columns A (206) are uniformly arranged on the surface of the synchronous belt (204), the tooth columns A (206) are in meshed contact with the double-screw pressing filling mechanism (4), the number of driving teeth (205) is two, the driving teeth are respectively sleeved on the two wheel shafts (201), and the driving teeth (205) are in meshed connection with the cable feeding mechanism (3);
the cable feeding mechanism (3) comprises two rotating seats (301) symmetrically arranged on the base (1) in a vertical structure, rotating grooves (302) communicated with an inner cavity are formed in the rotating seats (301), rotating rings (303) are arranged in the rotating grooves (302), a plurality of feeding wheels (304) are sleeved on the rotating rings (303) at equal intervals in an annular mode, a plurality of feeding wheels (304) encircle the cable feeding cavity, and tooth grooves meshed with driving teeth (205) are formed in the surface of one feeding wheel (304);
the double-screw pressing and filling mechanism (4) comprises a filling cylinder (401) axially arranged between two rotating seats (301), a plurality of inclined teeth (402) are arranged on the surface of the filling cylinder (401) in an annular equidistant manner, the inclined teeth (402) are in meshed contact with a tooth column A (206), a plurality of pressing wheels (403) distributed along a left-handed thread line are axially arranged inside the filling cylinder (401), a plurality of pressing wheels (403) form a cable pressing cavity, a plurality of powder falling devices (404) distributed along a right-handed thread line are axially arranged inside the filling cylinder (401), and outlets of the powder falling devices (404) are all directed to the cable pressing cavity;
the manufacturing process comprises the steps of,
s1, a wire is arranged, and a processing cable passes through the cable feeding mechanism (3) and the double-screw press filling mechanism (4);
s2, filling a sufficient amount of water-blocking powder cable paste in the double-screw press filling mechanism (4);
s3, starting up, driving the belt driving mechanism (2) to move through an external control mechanism, so that the cable feeding mechanism (3) and the double-screw pressing and filling mechanism (4) fill the cable paste into the processed cable;
s4, quality inspection, namely inspecting the processed cable output from the cable paste extrusion filling device through real-time observation;
s5, injection molding, wherein the processed cable filled with the cable paste is introduced into an injection molding machine for surface insulation treatment.
2. A self-supporting power cable manufacturing process according to claim 1, wherein: a plurality of tooth columns B (305) are arranged on one side vertical surface of the rotating ring (303) at equal intervals in an annular mode, an inclined tooth groove (306) is formed in the center of the feeding wheel (304), and the inclined tooth groove (306) is in meshed contact with the tooth columns B (305).
3. A self-supporting power cable manufacturing process according to claim 2, wherein: the feeding wheel (304) is clamped in the wheel groove of the rotating seat (301) through the wheel rim (307).
4. A self-supporting power cable manufacturing process according to claim 3, wherein: the powder falling device (404) consists of a funnel (405), a ball head swing rod (406) and an amplitude component (407); the funnel (405) is arranged on the inner wall of the packing cylinder (401) through a fixing frame gap, the ball head swing rod (406) is limited in an outlet of the funnel (405) through ball heads at two ends of the ball head swing rod, and the amplitude component (407) is arranged in an amplitude cavity inside the ball head swing rod (406).
5. The process for manufacturing a self-supporting power cable as defined in claim 4, wherein: the amplitude component (407) comprises a main spring (408) arranged along the rod body direction of the ball head swing rod (406), and one end of the main spring (408) opposite to the interior of the funnel (405) is in a fork-shaped structure and is connected with two auxiliary springs (409).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026151.9A CN114334298B (en) | 2022-01-11 | 2022-01-11 | Manufacturing process of self-supporting power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210026151.9A CN114334298B (en) | 2022-01-11 | 2022-01-11 | Manufacturing process of self-supporting power cable |
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| Publication Number | Publication Date |
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| CN114334298A CN114334298A (en) | 2022-04-12 |
| CN114334298B true CN114334298B (en) | 2024-01-12 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210026151.9A Active CN114334298B (en) | 2022-01-11 | 2022-01-11 | Manufacturing process of self-supporting power cable |
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| GB779396A (en) * | 1955-09-30 | 1957-07-17 | Unilever Ltd | Improvements in or relating to filling machines |
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| CN108672347A (en) * | 2018-05-22 | 2018-10-19 | 安徽国电电缆股份有限公司 | A kind of device for cleaning surface of conductor |
| CN109192407A (en) * | 2018-08-22 | 2019-01-11 | 何静 | Cable petroleum jelly filling device |
| CN111013915A (en) * | 2019-12-31 | 2020-04-17 | 顾建荣 | Ointment spraying device for optical cable production |
| CN210403348U (en) * | 2019-10-28 | 2020-04-24 | 沧州临港天昭电材有限公司 | Solid powder material feeding machine for enameled wire production |
| CN210865753U (en) * | 2019-12-27 | 2020-06-26 | 深圳市恩联线缆有限公司 | Copper core cable gap filling device |
| CN210924059U (en) * | 2019-12-12 | 2020-07-03 | 江苏永鼎股份有限公司 | Cable cream filling device |
| CN112700927A (en) * | 2020-12-17 | 2021-04-23 | 深圳市成天泰电缆实业发展有限公司 | Tensile adjusting device of diameter for power cable production |
| CN113671644A (en) * | 2021-05-13 | 2021-11-19 | 浙江金元完保光纤有限公司 | Optical cable water-blocking factice filling device |
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2022
- 2022-01-11 CN CN202210026151.9A patent/CN114334298B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB779396A (en) * | 1955-09-30 | 1957-07-17 | Unilever Ltd | Improvements in or relating to filling machines |
| EP0003673A1 (en) * | 1978-02-08 | 1979-08-22 | Northern Telecom Limited | Powder pushing device for filling cable |
| CN104991323A (en) * | 2015-07-16 | 2015-10-21 | 成都大唐线缆有限公司 | Optical cable reinforcer water-blocking cable paste filling device and filling method |
| DE102016209623A1 (en) * | 2016-06-01 | 2017-12-07 | Leoni Kabel Gmbh | A method of sheathing a cable, cables and using a sheath material to sheath a cable |
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| CN108672347A (en) * | 2018-05-22 | 2018-10-19 | 安徽国电电缆股份有限公司 | A kind of device for cleaning surface of conductor |
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| CN210924059U (en) * | 2019-12-12 | 2020-07-03 | 江苏永鼎股份有限公司 | Cable cream filling device |
| CN210865753U (en) * | 2019-12-27 | 2020-06-26 | 深圳市恩联线缆有限公司 | Copper core cable gap filling device |
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| CN113671644A (en) * | 2021-05-13 | 2021-11-19 | 浙江金元完保光纤有限公司 | Optical cable water-blocking factice filling device |
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| Publication number | Publication date |
|---|---|
| CN114334298A (en) | 2022-04-12 |
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