CN112614622B - Cable production device for improving cable safety performance - Google Patents
Cable production device for improving cable safety performance Download PDFInfo
- Publication number
- CN112614622B CN112614622B CN202011345978.3A CN202011345978A CN112614622B CN 112614622 B CN112614622 B CN 112614622B CN 202011345978 A CN202011345978 A CN 202011345978A CN 112614622 B CN112614622 B CN 112614622B
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- cable
- side wall
- disc
- wall
- groove
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- Expired - Fee Related
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 15
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000007789 sealing Methods 0.000 claims description 54
- 238000002347 injection Methods 0.000 claims description 21
- 239000007924 injection Substances 0.000 claims description 21
- 239000004033 plastic Substances 0.000 claims description 6
- 229920003023 plastic Polymers 0.000 claims description 6
- 238000005260 corrosion Methods 0.000 claims description 3
- 229920001971 elastomer Polymers 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 3
- 239000005060 rubber Substances 0.000 claims description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 238000009434 installation Methods 0.000 description 5
- 239000004020 conductor Substances 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000009422 external insulation Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000010410 layer Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011017 operating method Methods 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/06—Insulating conductors or cables
- H01B13/14—Insulating conductors or cables by extrusion
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/22—Sheathing; Armouring; Screening; Applying other protective layers
- H01B13/24—Sheathing; Armouring; Screening; Applying other protective layers by extrusion
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses a cable production device for improving the safety performance of a cable, which comprises a driving device, wherein a disc is installed at the output end of the driving device, an annular cavity is arranged in the disc, a plurality of air inlet holes are formed in the inner wall of the annular cavity, first one-way valves are arranged in the plurality of air inlet holes, a plurality of air collecting grooves are formed in the side wall of the disc and are respectively communicated with the plurality of air inlet holes, pistons corresponding to the air collecting grooves are arranged in the air collecting grooves, bent holes are formed in the side walls of the two sides of the air collecting grooves, second one-way valves are arranged in the bent holes, the direction of each first one-way valve flows from the air collecting groove to the annular cavity, the direction of each second one-way valve flows from the side wall of the disc to the air collecting groove, and stop blocks are fixedly connected to the inner walls of the two sides of the air collecting grooves. The cable sheath is extruded by the rotation of the rollers, the annular cavity is inflated simultaneously, and the cable sheath is cleaned by spraying water by air pressure.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a cable production device for improving the safety performance of a cable.
Background
Cables are made of one or more mutually insulated conductors and an outer insulating protective layer, the conductors carrying power or information from one location to another, and also cable-like cables made of several or groups of conductors (at least two in each group) twisted together, each group of conductors being mutually insulated and often twisted around a center, the whole being covered with a highly insulating covering. The cable has the characteristics of internal electrification and external insulation.
Among the prior art, the cable is when producing, need polish, extrude, water spray etc. process to the sheath to improve the life of cable, but operating procedure is complicated, and the staff burden is heavy, and the equipment that adopts simultaneously is many, and economic cost is high, for this reason, we provide a cable apparatus for producing who improves cable security performance and solve above-mentioned problem.
Disclosure of Invention
The invention aims to solve the problems of complex structure, heavy workload and high economic cost in the prior art of extruding and spraying the cable sheath, and provides a cable production device for improving the safety performance of a cable.
In order to achieve the purpose, the invention adopts the following technical scheme:
a cable production device for improving the safety performance of a cable comprises a driving device, wherein a disc is installed at the output end of the driving device, an annular cavity is formed in the disc, a plurality of air inlet holes are formed in the inner wall of the annular cavity, a first one-way valve is arranged in each air inlet hole, a plurality of air collecting grooves are formed in the side wall of the disc and are respectively communicated with the air inlet holes, pistons corresponding to the air collecting grooves are arranged in the air collecting grooves, bent holes are formed in the side walls of the two sides of each air collecting groove, a second one-way valve is arranged in each bent hole, the first one-way valve flows to the annular cavity from the air collecting grooves, the second one-way valve flows to the air collecting grooves from the side walls of the disc, the inner walls of the two sides of each air collecting groove are fixedly connected with stop blocks, the pistons are located between the stop blocks and the air inlet holes, and the joints of the bent holes and the air collecting grooves are located between the pistons and the air inlet holes, the side wall of the piston, which is far away from the air inlet, is provided with an adjusting device, the adjusting device penetrates through the notch of the air collecting groove, the adjusting device is connected with an installation frame, and the installation frame is provided with a roller.
Preferably, adjusting device includes the thread bush, threaded connection has the screw rod in the thread bush, the screw rod runs through the running-on of thread bush, the one end that the thread bush was kept away from to the screw rod is rotated with the lateral wall of mounting bracket and is connected, the lateral wall fixedly connected with gag lever post of mounting bracket, the spacing groove that matches with the gag lever post is seted up to the lateral wall of thread bush.
Preferably, a plurality of apopores have been seted up to the inner wall of annular chamber, and is a plurality of all be equipped with the third check valve in the apopore, the lateral wall fixed seal of disc is connected with a plurality of water injection well choke that match with the apopore, the direction of third check valve is by the annular chamber to the water injection well choke.
Preferably, a water injection hole is formed in the inner wall of the annular cavity, a sealing groove is formed in the side wall of the disc and communicated with the water injection hole, a sealing plug is arranged in the sealing groove, and the inner diameter of the sealing groove is larger than that of the water injection hole.
Preferably, the round hole has been seted up to the lateral wall of sealing plug, the inner wall fixedly connected with annular slide rail of round hole, the lateral wall of sealing plug is equipped with the movable rod, the movable rod runs through the round hole, is located the round hole the lateral wall fixedly connected with of movable rod a plurality of sliders that match with annular slide rail, the both sides lateral wall swing joint of movable rod and sealing plug, the movable rod is close to the one end fixedly connected with thread block in water injection hole, the inner wall of seal groove is equipped with the thread sealing district that matches with the thread block.
Preferably, the thread block with the material in thread sealing district is one of rubber, plastic, plastics, and the inner wall integration setting of thread sealing district and seal groove, the one end fixedly connected with swing ring of thread block is kept away from to the movable rod, the opening part of seal groove sets up to tubaeform, and the swing ring is whole all to be located the seal groove.
Preferably, the roller is made of metal, and the outer surface of the roller is coated with an anti-corrosion layer.
Preferably, the number of the plurality of rollers is not less than six, and the number of the plurality of water nozzles is not less than five.
Compared with the prior art, the invention has the beneficial effects that:
1. the driving device is utilized to drive the disc to rotate, and further drive the plurality of rollers to rotate, so that the rollers can extrude the cable, the service life of the cable can be prolonged, the cable skin can be extruded uniformly and rapidly through the plurality of rollers, and the extrusion effect is good;
2. when the roller is extruded with the cable, the roller can abut against the piston to move so as to extrude the gas in the gas collecting groove, so that the gas in the gas collecting groove is pressed into the annular cavity, the air pressure in the annular cavity is increased, and the clear water in the annular cavity can pass through the water outlet nozzle under the action of the air pressure, so that the surface of the cable is cleaned;
3. through the arrangement of the sealing groove and the sealing plug, clean water can be conveniently and smoothly injected into the annular cavity, and under the sealing action of the sealing plug, the disc is guaranteed not to be splashed out when rotating.
Drawings
Fig. 1 is a schematic structural diagram of a cable production apparatus for improving the safety performance of a cable according to the present invention;
FIG. 2 is a schematic view of the structure at A in FIG. 1;
FIG. 3 is a schematic view of the structure at B in FIG. 1;
fig. 4 is a schematic structural diagram at C in fig. 3.
In the figure: the device comprises a driving device 1, a disc 2, an annular cavity 3, an air inlet 4, a first check valve 5, an air collecting groove 6, a piston 7, a bent hole 8, a second check valve 9, a stop block 10, an installation rack 11, a roller 12, a thread bushing 13, a screw rod 14, a limiting rod 15, a water outlet 16, a third check valve 17, a water nozzle 18, a water injection hole 19, a sealing groove 20, a sealing plug 21, an annular sliding rail 22, a movable rod 23, a sliding part 24, a thread block 25 and a thread sealing area 26.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a cable production device for improving the safety performance of a cable comprises a driving device 1, a disc 2 is installed at the output end of the driving device 1, an annular cavity 3 is formed in the disc 2, a plurality of air inlet holes 4 are formed in the inner wall of the annular cavity 3, first check valves 5 are arranged in the plurality of air inlet holes 4, a plurality of air collecting grooves 6 are formed in the side wall of the disc 2, the plurality of air collecting grooves 6 are respectively communicated with the plurality of air inlet holes 4, pistons 7 corresponding to the air collecting grooves are arranged in the air collecting grooves 6, bent holes 8 are formed in the side walls of the air collecting grooves 6, second check valves 9 are arranged in the bent holes 8, the first check valves 5 flow from the air collecting grooves 6 to the annular cavity 3, the second check valves 9 flow from the side wall of the disc 2 to the air collecting grooves 6, check blocks 10 are fixedly connected to the inner walls of the two sides of the air collecting grooves 6, the pistons 7 are located between the check blocks 10 and the air inlet holes 4, and the joints of the bent holes 8 and the air collecting grooves 6 are located between the pistons 7 and the air inlet holes 4;
the side wall of the piston 7 far away from the air inlet 4 is provided with an adjusting device, the adjusting device comprises a threaded sleeve 13, a screw 14 is in threaded connection in the threaded sleeve 13, the screw 14 penetrates through a sleeve opening of the threaded sleeve 13, one end of the screw 14 far away from the threaded sleeve 13 is rotatably connected with the side wall of the mounting frame 11, a limiting rod 15 is fixedly connected with the side wall of the mounting frame 11, a limiting groove matched with the limiting rod 15 is formed in the side wall of the threaded sleeve 13, the position of the roller 12 can be adjusted according to cable sheaths with different thicknesses to ensure that the good extrusion effect can be achieved, the screw 14 is rotated, the position of the screw 14 is adjusted through the thread meshing effect with the threaded sleeve 13, the screw 14 drives the mounting frame 11 to move, the positions of the mounting frame 11 and the roller 12 are adjusted, meanwhile, the roller 12 can be ensured not to rotate when moving through the effect of the limiting rod 15, so that the roller 12 can achieve good extrusion effect on the cable sheaths, the adjusting device penetrates through the notch of the gas collecting groove 6 and is connected with an installation frame 11, and rollers 12 are installed on the installation frame 11;
a plurality of water outlet holes 16 are formed in the inner wall of the annular cavity 3, third check valves 17 are arranged in the water outlet holes 16, the side wall of the disc 2 is fixedly and hermetically connected with a plurality of water nozzles 18 matched with the water outlet holes 16, the direction of the third check valve 17 is from the annular cavity 3 to the water nozzles 18, the disc 2 rotates, the annular cavity 3 also rotates, when the annular cavity 3 rotates, water in the annular cavity 3 is always at the bottom of the annular cavity 3, therefore, the water can flow to the outside through the water outlet holes 16 and the third check valves 17 below, and can be sprayed onto the cable sheath through the water nozzles 18, the cable sheath is cleaned, the speed is high, the effect is good, the structure is simple, and the economic cost is reduced;
the inner wall of the annular cavity 3 is provided with a water injection hole 19, the side wall of the disc 2 is provided with a sealing groove 20, the sealing groove 20 is communicated with the water injection hole 19, a sealing plug 21 is arranged in the sealing groove 20, the inner diameter of the sealing groove 20 is larger than that of the water injection hole 19, the sealing plug 21 is used for plugging the water injection hole 19 and the sealing groove 20, water flow is ensured not to easily flow out, and therefore water resource waste is avoided;
the side wall of the sealing plug 21 is provided with a round hole, the inner wall of the round hole is fixedly connected with an annular slide rail 22, the side wall of the sealing plug 21 is provided with a movable rod 23, the movable rod 23 penetrates through the round hole, the side wall of the movable rod 23 positioned in the round hole is fixedly connected with a plurality of sliding parts 24 matched with the annular slide rail 22, the movable rod 23 is movably sealed with the side walls on two sides of the sealing plug 21, one end of the movable rod 23 close to the water injection hole 19 is fixedly connected with a thread block 25, the inner wall of the sealing groove 20 is provided with a thread sealing area 26 matched with the thread block 25, through the arrangement of the sealing groove 20 and the sealing plug 21, clean water can be conveniently and smoothly injected into the annular cavity 3, and under the sealing action of the sealing plug 21, so that the clean water cannot be spilled out when the disc 2 rotates;
the thread block 25 and the thread sealing area 26 are made of one of rubber, plastic and plastics, the thread sealing area 26 and the inner wall of the sealing groove 20 are integrally arranged, one end of the movable rod 23, far away from the thread block 25, is fixedly connected with a torsion ring, the opening of the sealing groove 20 is in a horn shape, the torsion ring is integrally positioned in the sealing groove 20, the sealing effect is good, the appearance is attractive, the service life is long, meanwhile, the injection is also very convenient, and when the movable rod 23 is rotated, the labor is saved and the operation is easy;
the material of gyro wheel 12 is the metal, and the surface coating of gyro wheel 12 has the anti-corrosion coating, and the gyro wheel 12 weight of metal material is big, when gyro wheel 12 removed the top, can push down gas collecting tank 6, further to the annular chamber 3 in the gas of impressing, wear-resisting moreover, long service life, six are no less than to the quantity of a plurality of gyro wheels 12, and five are no less than to the quantity of a plurality of water injection well choke 18, can play good extrusion and cleaning performance to whole cable crust like this.
According to the invention, the driving device 1 is utilized to drive the disc 2 to rotate, when the disc 2 rotates, the piston 7, the mounting frame 11 and the roller 12 can be driven to rotate, so that the roller 12 can be in contact with the cable sheath to extrude the cable sheath, meanwhile, the roller 12 can abut against the mounting frame 11 to move, the mounting frame 11 abuts against the piston 7 to move, when the piston 7 moves in the gas collecting groove 6, the volume of gas in the gas collecting groove 6 can be compressed, further, the pressure intensity in the gas collecting groove 6 is increased, and therefore, greater pressure is generated on the piston 7, and meanwhile, the roller 12 also generates greater pressure on the cable sheath, so that the processing quality of the cable sheath is further improved, the processing effect is ensured, and the service life of the cable sheath is prolonged;
piston 7 can extrude the annular chamber 3 with the gas in the gas collecting tank 6 in the time of the removal in gas collecting tank 6, and then increases the gas pressure in the annular chamber 3, can make the hydroenergy in the annular chamber 3 spout from water injection well choke 18 more fast like this, improves the impact force of rivers to play better cleaning performance to the cable crust.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.
Claims (7)
1. A cable production device for improving the safety performance of a cable comprises a driving device (1) and is characterized in that a disc (2) is installed at the output end of the driving device (1), an annular cavity (3) is formed in the disc (2), a plurality of air inlet holes (4) are formed in the inner wall of the annular cavity (3), first check valves (5) are arranged in the plurality of air inlet holes (4), a plurality of air collecting grooves (6) are formed in the side wall of the disc (2), the plurality of air collecting grooves (6) are respectively communicated with the plurality of air inlet holes (4), pistons (7) corresponding to the air collecting grooves are arranged in the air collecting grooves (6), bent holes (8) are formed in the side walls of the two sides of the air collecting grooves (6), second check valves (9) are arranged in the bent holes (8), and the first check valves (5) flow into the annular cavity (3) from the air collecting grooves (6), the direction of the second one-way valve (9) flows from the side wall of the disc (2) to the gas collecting groove (6), the inner walls of the two sides of the gas collecting groove (6) are fixedly connected with a stop block (10), the piston (7) is positioned between the stop block (10) and the gas inlet hole (4), the joint of the bent hole (8) and the gas collecting groove (6) is positioned between the piston (7) and the gas inlet hole (4), the side wall, away from the gas inlet hole (4), of the piston (7) is provided with an adjusting device, the adjusting device penetrates through a notch of the gas collecting groove (6), the adjusting device is connected with a mounting frame (11), and the mounting frame (11) is provided with a roller (12); a plurality of apopores (16) have been seted up to the inner wall of annular chamber (3), and is a plurality of all be equipped with third check valve (17) in apopore (16), the lateral wall fixed seal of disc (2) is connected with a plurality of water injection well choke (18) that match with apopore (16), the direction of third check valve (17) is by annular chamber (3) to water injection well choke (18).
2. The cable production device for improving the safety performance of the cable according to claim 1, wherein the adjusting device comprises a threaded sleeve (13), a screw (14) is connected to the threaded sleeve (13) through threads, the screw (14) penetrates through a sleeve opening of the threaded sleeve (13), one end, far away from the threaded sleeve (13), of the screw (14) is rotatably connected with the side wall of the mounting rack (11), a limiting rod (15) is fixedly connected to the side wall of the mounting rack (11), and a limiting groove matched with the limiting rod (15) is formed in the side wall of the threaded sleeve (13).
3. The cable production device for improving the safety performance of the cable according to claim 1, wherein a water injection hole (19) is formed in the inner wall of the annular cavity (3), a sealing groove (20) is formed in the side wall of the disc (2), the sealing groove (20) is communicated with the water injection hole (19), a sealing plug (21) is arranged in the sealing groove (20), and the inner diameter of the sealing groove (20) is larger than that of the water injection hole (19).
4. The cable production device for improving the safety performance of a cable according to claim 3, wherein a round hole is formed in the side wall of the sealing plug (21), an annular slide rail (22) is fixedly connected to the inner wall of the round hole, a movable rod (23) is arranged on the side wall of the sealing plug (21), the movable rod (23) penetrates through the round hole, a plurality of sliding parts (24) matched with the annular slide rail (22) are fixedly connected to the side wall of the movable rod (23) in the round hole, the movable rod (23) is movably sealed with the side walls on two sides of the sealing plug (21), a thread block (25) is fixedly connected to one end, close to the water injection hole (19), of the movable rod (23), and a thread sealing area (26) matched with the thread block (25) is arranged on the inner wall of the sealing groove (20).
5. The cable production device for improving the cable safety performance as claimed in claim 4, wherein the thread block (25) and the thread sealing area (26) are made of one of rubber, plastic and plastics, the thread sealing area (26) and the inner wall of the sealing groove (20) are integrally arranged, one end of the movable rod (23) far away from the thread block (25) is fixedly connected with a torsion ring, the opening of the sealing groove (20) is flared, and the torsion ring is integrally located in the sealing groove (20).
6. The cable production device for improving the safety performance of the cable according to claim 1, wherein the roller (12) is made of metal, and the outer surface of the roller (12) is coated with an anti-corrosion layer.
7. The cable production device for improving the safety performance of the cable as claimed in claim 1, wherein the number of the plurality of rollers (12) is not less than six, and the number of the plurality of water nozzles (18) is not less than five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011345978.3A CN112614622B (en) | 2020-11-25 | 2020-11-25 | Cable production device for improving cable safety performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011345978.3A CN112614622B (en) | 2020-11-25 | 2020-11-25 | Cable production device for improving cable safety performance |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112614622A CN112614622A (en) | 2021-04-06 |
| CN112614622B true CN112614622B (en) | 2022-07-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011345978.3A Expired - Fee Related CN112614622B (en) | 2020-11-25 | 2020-11-25 | Cable production device for improving cable safety performance |
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| CN (1) | CN112614622B (en) |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL76073C (en) * | 1948-07-26 | |||
| CN204760137U (en) * | 2015-06-18 | 2015-11-11 | 杭州临安光大线缆有限公司 | Cable conductor tension control device |
| CN107649462A (en) * | 2017-11-16 | 2018-02-02 | 湖州万丰线缆厂 | A kind of cable vibrates cleaning device |
| CN110076168B (en) * | 2019-05-22 | 2022-05-06 | 内蒙古大窑嘉宾饮品有限公司 | Energy-concerving and environment-protective type bottle cleaning device |
| CN110752069A (en) * | 2019-11-01 | 2020-02-04 | 安徽华电线缆股份有限公司 | Fireproof cable wrapping machine |
| CN211332413U (en) * | 2019-12-31 | 2020-08-25 | 青岛迈司达精密机械有限公司 | Metal piece scrap iron removing device for lathe |
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2020
- 2020-11-25 CN CN202011345978.3A patent/CN112614622B/en not_active Expired - Fee Related
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| CN112614622A (en) | 2021-04-06 |
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Effective date of registration: 20220623 Address after: 130062 No. 9151, Qingnian Road, economic development zone, Lvyuan District, Changchun City, Jilin Province Applicant after: JILIN HAIDA CABLE MANUFACTURING Co.,Ltd. Address before: 563100 building 11, Wanhao World Trade City, Longquan Avenue, Bozhou District, Zunyi City, Guizhou Province Applicant before: Ma Erdi |
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