CN114334241A - Cable adopting multiple windings - Google Patents
Cable adopting multiple windings Download PDFInfo
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- CN114334241A CN114334241A CN202111658652.0A CN202111658652A CN114334241A CN 114334241 A CN114334241 A CN 114334241A CN 202111658652 A CN202111658652 A CN 202111658652A CN 114334241 A CN114334241 A CN 114334241A
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- 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
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The invention relates to the technical field of cables, in particular to a cable adopting multiple windings. The fixed subassembly of cable butt joint is located cable assembly's outer end, and wherein cable assembly is including protection skin, elasticity portion, cable, insulating layer, filling layer, copper line, isolation layer, bracing piece and protection bed course, elasticity position is in the outer one side of protection, and wherein the cable is located one side of elasticity portion, the insulating layer is located the outer inner outside of protection, and wherein the filling layer is located the inner of insulating layer, the copper line evenly is located the inner of filling layer, and wherein the isolation layer parcel is in the outside of copper line, the isolation layer embedding is arranged in the inside of filling layer, can strengthen the leakproofness of cable junction, avoids external environment to cause the influence to the connection of cable, can the effectual assurance cable normal operating.
Description
Technical Field
The invention relates to the technical field of cables, in particular to a cable adopting multiple windings.
Background
Current cable does not possess thermal-insulated fire behavior, lead to the cable to receive outside or inside thermal influence easily, and then reduce the life of cable, it is current in addition after carrying out butt joint to two strands of cables, can only carry out simple insulating tape parcel, this kind of parcel mode and lead to cable junction to intake easily, perhaps the junction directly exposes in the middle of the air, make the bad phenomenon of use appear in the cable, two strands of cables are after long-time connection entanglement simultaneously, its junction does not reserve maintenance length, the cable in the later stage of being not convenient for lasts the butt joint fixed.
Disclosure of Invention
The object of the present invention is to provide a cable using multiple windings to solve the problems mentioned in the above process.
In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides an adopt cable of many windings, the fixed subassembly of cable butt joint is located cable unit's outer end, and wherein cable unit is including protection skin, elastic component, cable, insulating layer, filling layer, copper line, isolation layer, bracing piece and protection bed course, the elastic component is located the outer one side of protection, and wherein the cable is located one side of elastic component, the insulating layer is located the outer inner outside of protection, and wherein the filling layer is located the inner of insulating layer, the copper line evenly is located the inner of filling layer, and wherein the isolation layer parcel is in the outside of copper line, the isolation layer embedding is arranged in the inside of filling layer, and wherein the bracing piece is located the packing and is located the middle-end, the protection bed course is located the outer end of bracing piece, and wherein the protection bed course is located the inside of filling layer.
Preferably, the protective outer layer is made of a rubber layer, the thermal insulation layer is an asbestos layer, the filling layer and the like are made of rubber layers, the thickness of the isolation layer is three millimeters, the isolation layer is made of an insulating rubber layer, the support rod is made of an aluminum rod, and the protective cushion layer is made of an insulating plastic layer.
Preferably, the fixed subassembly of cable butt joint is including the subassembly pillar, embedding draw-in groove, extrusion urceolus, control the connecting rod, connecting thread, seal end cap and wire pressing ring, and wherein the one end outside at the subassembly pillar is seted up to the embedding draw-in groove, the extrusion drum is located the one end outside of subassembly pillar, wherein controls the lower extreme medial aspect that the connecting rod runs through the extrusion drum and arranges, connecting thread arranges in the inner one side of subassembly pillar, and wherein seal end cap cover is in the one end of subassembly pillar, wire pressing ring welded connection is in the one end upside of seal end cap.
Preferably, the subassembly pillar presents the cavity and arranges, and wherein the embedding draw-in groove presents the spiral and sets up, the embedding draw-in groove is located the inboard of extrusion urceolus, and wherein the elastic component has been placed to the inside of extrusion urceolus, the elastic component has been placed to the inside of embedding draw-in groove, the one end of controlling the connecting rod is located the inner one side of subassembly pillar, wherein controls and carries out the spiro union between connecting rod and the subassembly pillar and be connected, adopt the pivot to be connected between sealed end cap and the subassembly pillar, wherein the cable has been arranged in the middle-end run-through of the wire pressing ring.
Preferably, the inner one side of subassembly pillar sets up welded connection's wire conduit, and wherein the one end of wire conduit runs through the one end of embedding draw-in groove and arranges, the wire conduit runs through and arranges the outer one end of protection, and wherein wire conduit one end evenly sets up integrated into one piece's presser plate, presser plate one end sets up integrated into one piece's preceding outstanding piece, and the cross sectional shape that wherein preceding outstanding piece was arranged is oval, built-in snap ring has been placed to subassembly pillar one end inboard, and wherein built-in snap ring middle part runs through and sets up first threading groove, built-in snap ring one end sets up integrated into one piece's introduction piece, wherein carries out the spiro union between built-in snap ring and the connecting thread.
Preferably, an integrally formed lead ring is arranged on one side of the upper end of the sealing end cap, the lead ring is arranged on the sealing end cap in an upward inclining three-degree mode, a bearing cylinder connected with a screw is arranged on the middle side of one end of the sealing end cap, a second threading groove is formed in one side of the upper end of the bearing cylinder in a penetrating mode, a thread fixing plate connected in a welding mode is arranged on one side of the lower end of the bearing cylinder, the shape of the thread fixing plate is semicircular, limiting sliding grooves are symmetrically formed in two sides of the inner end of the thread fixing plate, and an anti-rotation clamping plate is placed on one side of the inner end of each limiting sliding groove.
Preferably, the inner side of the upper end of the thread fixing plate is provided with a welded distance increasing block, the upper end of the distance increasing block is provided with a welded reinforced elastic plate, the reinforced elastic plate is semicircular, one end of a cable is placed at the inner end of the reinforced elastic plate, the inner end of the reinforced elastic plate is uniformly provided with an integrally formed anti-loosening pressing block, and the anti-loosening pressing block is semicircular.
Preferably, a rotating circular ring in threaded connection is sleeved at one end of the thread fixing plate, wherein an integrally formed structure is arranged between the rotating circular ring and the anti-rotating clamping plate, one side of the upper end of the rotating circular ring is provided with a welding-connected covering circular plate, one side of the inner end of the covering circular plate is provided with an integrally formed linkage outer plate, the linkage outer plate is positioned at the upper side of the inner end of the thread fixing plate, the middle side of the inner end of the covering circular plate is provided with a welding-connected inner locking plate, and one end of the inner locking plate is provided with an integrally formed introduction block.
Compared with the prior art, the invention has the beneficial effects that:
1. through the arrangement of the cable insulation device, the cable can be subjected to heat insulation protection by utilizing the heat insulation layer and the filling layer, so that the cable has certain flame retardance, the service life of the cable can be effectively prolonged, meanwhile, the cable is provided with the elastic part, the elastic part can be the reserved length of the cable, the cable can be stably connected by workers conveniently, and the cables can be prevented from being integrally pulled by the workers through the connection of the stretched length of the elastic part;
2. by the arrangement of the invention, after two cables are entangled and connected, the cable butt joint fixing component is utilized to strengthen and stably connect the joint of the cables, meanwhile, the sealing property of the joint of the cables can be strengthened, the influence of an external environment on the connection of the cables is avoided, and the normal operation of the cables can be effectively ensured.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a perspective view of the protective outer layer of the present invention;
FIG. 3 is a schematic perspective view, partially in section, of a column of the assembly of the present invention;
FIG. 4 is a schematic semi-sectional perspective view of the extruding outer cylinder of the present invention;
FIG. 5 is an enlarged view taken at A in FIG. 2 according to the present invention;
FIG. 6 is an enlarged view of the invention at B in FIG. 3;
fig. 7 is an enlarged view of the invention at C in fig. 3.
In the figure: the cable assembly comprises a protective outer layer 1, an elastic part 11, a cable 12, a heat insulation layer 13, a filling layer 14, copper wires 15, an isolation layer 16, a support rod 17, a protective cushion layer 18, an assembly strut 2, a conduit 201, an elastic pressing plate 202, a front protruding block 203, an internal snap ring 204, a first threading groove 205, a leading-in block 206, an embedding snap groove 21, an extruding outer cylinder 22, a control connecting rod 23, a connecting thread 24, a sealing end cap 25, a lead ring 2501, a bearing cylinder 2502, a second threading groove 2503, a thread fixing plate 2504, a limiting slide groove 2505, an anti-rotation snap plate 2506, a distance increasing block 2507, a reinforcing elastic plate 2508, a locking snap block 2509, a rotating ring 2510, a covering round plate 2511, a linkage outer plate 2512, an internal locking plate 2513, a leading-in block 2514 and a line pressing ring 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 7, the present invention provides a technical solution: comprises a cable component with elastic stretching and drawing functions and a cable butt joint fixing component with a stabilizing function, wherein the cable butt joint fixing component is positioned at the outer end of the cable component, wherein the cable component comprises a protective outer layer 1, an elastic part 11, a cable 12, a heat insulation layer 13, a filling layer 14, a copper wire 15, an isolation layer 16, a support rod 17 and a protective cushion layer 18, the elastic part 11 is positioned at one side of the protective outer layer 1, wherein the cable 12 is positioned at one side of the elastic part 11, the heat insulation layer 13 is positioned at the outer side of the inner end of the protective outer layer 1, wherein the filling layer 14 is positioned at the inner end of the heat insulation layer 13, the copper wires 15 are uniformly positioned at the inner end of the filling layer 14, wherein the isolation layer 16 is wrapped outside the copper wire 15, the isolation layer 16 is embedded inside the filling layer 14, wherein the support bar 17 is located at the middle end of the infill 14 and the protective padding 18 is located at the outer end of the support bar 17, wherein the protective padding 18 is located inside the infill layer 14.
The material that the outer layer 1 of protection adopted is the rubber layer, and wherein insulating layer 13 adopts the asbestos layer, and the outer layer 1 of protection such as filling layer 14 adopts the rubber layer, and wherein the thickness of isolation layer 16 is three millimeters, and the material that isolation layer 16 adopted is insulating rubber layer, and wherein the material that the bracing piece 17 adopted is the aluminium pole, and the material that the protection cushion layer 18 adopted is insulating plastic layer.
In addition, the supporting rod 17 can wind the connecting part of the cables when the copper wires 15 of the two cables are connected, so that the purpose of strengthening the cable connection is realized.
The fixed subassembly of cable butt joint is including subassembly pillar 2, embedding draw-in groove 21, extrusion urceolus 22, control connecting rod 23, connecting thread 24, sealed end cap 25 and wire pressing ring 26, wherein embedding draw-in groove 21 sets up in the one end outside of subassembly pillar 2, extrusion drum 22 is located the one end outside of subassembly pillar 2, wherein control connecting rod 23 and run through the lower extreme medial aspect of extrusion drum 22 and arrange, connecting thread 24 arranges in the inner one side of subassembly pillar 2, wherein sealed end cap 25 overlaps the one end at subassembly pillar 2, wire pressing ring 26 welded connection is in the one end upside of sealed end cap 25.
The component strut 2 is arranged in a hollow mode, the embedding clamping groove 21 is spirally formed, the embedding clamping groove 21 is located on the inner side of the extrusion outer cylinder 22, the elastic part 11 is placed inside the embedding clamping groove 21, one end of the control connecting rod 23 is located on one side of the inner end of the component strut 2, the control connecting rod 23 is in threaded connection with the component strut 2, the sealing end cap 25 is connected with the component strut 2 through a rotating shaft, and a cable is arranged at the middle end of the line pressing ring 26 in a penetrating mode.
The sealing end cap 25 can rotate to rotate along with the orientation of the cable stretched by the elastic part 11, so that the cable can be conveniently fixed by a worker.
The inner one side of subassembly pillar 2 sets up welded connection's wire conduit 201, wherein the one end of wire conduit 201 runs through the one end of embedding draw-in groove 21 and arranges, wire conduit 201 runs through the one end of arranging protection skin 1, wherein wire conduit 201 one end evenly sets up integrated into one piece's elastic pressing plate 202, elastic pressing plate 202 one end sets up integrated into one piece's preceding outstanding piece 203, wherein the cross sectional shape that preceding outstanding piece 203 arranged is oval, built-in snap ring 204 has been placed to subassembly pillar 2 one end inboard, wherein built-in snap ring 204 middle part is run through and is seted up first threading groove 205, built-in snap ring 204 one end sets up integrated into one piece's introduction piece 206, wherein carry out the spiro union between built-in snap ring 204 and the connecting thread 24.
Seal end cap 25 upper end one side sets up integrated into one piece's lead ring 2501, wherein lead ring 2501 inclines upward three degrees on seal end cap 25 and arranges, seal end cap 25 one end medial side sets up the accepting drum 2502 of screw connection, wherein accept that drum 2502 upper end one side is run through and is seted up second threading groove 2503, accept that drum 2502 lower extreme one side sets up welded connection's screw thread solid board 2504, wherein the shape that screw thread solid board 2504 arranged is semi-circular, restriction spout 2505 is seted up to screw thread solid board 2504 inner bilateral symmetry, wherein the inner one side of restriction spout 2505 has placed and has prevented changeing cardboard 2506.
Cables can sequentially pass through the lead ring 2501 and the second threading groove 2503, joints of the two cables are fixedly butted in the threaded fixing plate 2505, meanwhile, the anti-rotation clamping plate 2506 can place the covering circular plate 2511 to rotate by means of the limiting sliding groove 2505, and the covering circular plate 11 can move linearly on the threaded fixing plate 2504 conveniently.
The inboard increase distance piece 2507 that sets up welded connection in screw thread solid board 2504 upper end, wherein increase distance piece 2507 upper end sets up welded connection's enhancement elastic plate 2508, and the shape that enhancement elastic plate 2508 arranged is semi-circular, and wherein strengthen the one end that cable 12 was placed to elastic plate 2508 inner, strengthen elastic plate 2508 inner and evenly set up integrated into one piece's locking briquetting 2509, and wherein the shape that locking fixture block 2509 adopted is semi-circular.
One end of the thread fixing plate 2504 is sleeved with a rotary ring 2510 in threaded connection, wherein an integrally formed structure is arranged between the rotary ring 2510 and the anti-rotation clamping plate 2506, one side of the upper end of the rotary ring 2510 is provided with a covering circular plate 2511 in welded connection, one side of the inner end of the covering circular plate 2511 is provided with an integrally formed linkage outer plate 2512, the linkage outer plate 2512 is positioned on the upper side of the inner end of the thread fixing plate 2504, the middle side of the inner end of the covering circular plate 2511 is provided with an inner locking plate 2513 in welded connection, and one end of the inner locking plate 2513 is provided with an integrally formed leading-in block 2514.
Utilize screw thread solid board 2504 can rotate rotating ring 2501 for cover circular plate 2511 and take place the motion, and the upper end that covers circular plate 2511 and can fix the board 2504 to the screw at this moment covers, and interior locking plate 2513 utilizes and introduces piece 2514 simultaneously, extrudes reinforcing elastic plate 2508, makes reinforcing elastic plate 2508 extrude the junction of cable with the help of locking fixture block 2509, and the connection of the cable of being convenient for is stable.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A cable with multiple windings, which comprises a cable component with elastic stretching and stretching functions and a cable butt joint fixing component with a stabilizing function, and is characterized in that: the cable butt joint fixing component is positioned at the outer end of the cable component, wherein the cable component comprises a protective outer layer, an elastic part, a cable, a heat insulation layer, a filling layer, a copper wire, an isolation layer, a supporting rod and a protective cushion layer;
the utility model discloses a protection layer, including the insulating layer, the insulating layer is arranged in the inside of filling layer, wherein the insulating layer is arranged in the outer one side of protection, and wherein the cable is located one side of elastic part, and the insulating layer is located the outer inner outside of protection, and wherein the filling layer is located the inner of insulating layer, the copper line evenly is located the inner of filling layer, and wherein the isolation layer parcel is in the outside of copper line, the isolation layer embedding is arranged in the inside of filling layer, and wherein the bracing piece is located the packing and is located the middle-end, the protection bed course is located the outer end of bracing piece, and wherein the protection bed course is located the inside of filling layer.
2. A cable using multiple windings according to claim 1, wherein: the material that the protection skin adopted is the rubber layer, and wherein the insulating layer adopts the asbestos layer, the filling layer equals the protection skin and adopts the rubber layer, and wherein the thickness of isolation layer is three millimeters, the material that the isolation layer adopted is insulating rubber layer, and wherein the material that the bracing piece adopted is the aluminium pole, the material that the protection bed course adopted is insulating plastic layer.
3. A cable using multiple windings according to claim 1, wherein: the cable butt joint fixing component comprises a component support, an embedded clamping groove, an extrusion outer barrel, an operation and control connecting rod, connecting threads, a sealing end cap and a wire pressing ring, wherein the embedded clamping groove is formed in the outer side of one end of the component support, the extrusion cylinder is located in the outer side of one end of the component support, the operation and control connecting rod penetrates through the middle side of the lower end of the extrusion cylinder and is arranged on one side of the inner end of the component support, the sealing end cap is sleeved at one end of the component support, and the wire pressing ring is welded and connected to the upper side of one end of the sealing end cap.
4. A cable using multiple windings according to claim 3, wherein: the utility model discloses a cable assembly, including the subassembly pillar, the embedding draw-in groove is located the inboard of extrusion urceolus, wherein the elastic component has been placed to the inside of extrusion urceolus, the elastic component has been placed to the inside of embedding draw-in groove, the one end of controlling the connecting rod is located the inner one side of subassembly pillar, wherein controls and carries out the spiro union between connecting rod and the subassembly pillar and be connected, adopt the pivot to be connected between sealed end cap and the subassembly pillar, wherein the cable has been arranged in the middle-end run-through of wire pressing ring.
5. A cable using multiple windings according to claim 4, wherein: the utility model discloses a subassembly pillar, including subassembly pillar, wire guide, wherein the one end of wire guide runs through the one end of embedding draw-in groove and arranges, the wire guide runs through and arranges the outer one end of protection, and wherein wire guide one end evenly sets up integrated into one piece's elastic pressure plate, elastic pressure plate one end sets up integrated into one piece's preceding outstanding piece, and the cross sectional shape that wherein preceding outstanding piece was arranged is oval, built-in snap ring has been placed to subassembly pillar one end inboard, and wherein built-in snap ring middle part runs through and sets up first threading groove, built-in snap ring one end sets up integrated into one piece's introduction piece, wherein carries out the spiro union between built-in snap ring and the connecting thread.
6. A cable using multiple windings according to claim 4, wherein: the sealing end cap is characterized in that an integrally formed lead ring is arranged on one side of the upper end of the sealing end cap, wherein the lead ring is arranged on the sealing end cap in an upward inclining and three-degree mode, a bearing cylinder connected with a screw is arranged on the middle side of one end of the sealing end cap, one side of the upper end of the bearing cylinder is provided with a second threading groove in a penetrating mode, one side of the lower end of the bearing cylinder is provided with a thread fixing plate connected with a welding mode, the shape of the thread fixing plate is semicircular, limiting sliding grooves are symmetrically formed in the inner ends of the thread fixing plate in a bilateral mode, and anti-rotation clamping plates are placed on one side of the inner ends of the limiting sliding grooves.
7. A cable using multiple windings according to claim 6, wherein: the inner side of the upper end of the threaded fixing plate is provided with a welded distance increasing block, the upper end of the distance increasing block is provided with a welded reinforced elastic plate, the reinforced elastic plate is semicircular in arrangement shape, one end of a cable is placed at the inner end of the reinforced elastic plate, the inner end of the reinforced elastic plate is uniformly provided with an integrally formed anti-loosening pressing block, and the anti-loosening pressing block is semicircular in shape.
8. A cable using multiple windings according to claim 7, wherein: the thread fixing plate is characterized in that one end of the thread fixing plate is sleeved with a rotary ring in threaded connection, an integrally formed structure is arranged between the rotary ring and the anti-rotation clamping plate, one side of the upper end of the rotary ring is provided with a covering circular plate in welded connection, one side of the inner end of the covering circular plate is provided with an integrally formed linkage outer plate, the linkage outer plate is located on the upper side of the inner end of the thread fixing plate, the middle side of the inner end of the covering circular plate is provided with an inner locking plate in welded connection, and one end of the inner locking plate is provided with an integrally formed introduction block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658652.0A CN114334241B (en) | 2021-12-31 | 2021-12-31 | Cable adopting multiple windings |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111658652.0A CN114334241B (en) | 2021-12-31 | 2021-12-31 | Cable adopting multiple windings |
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| Publication Number | Publication Date |
|---|---|
| CN114334241A true CN114334241A (en) | 2022-04-12 |
| CN114334241B CN114334241B (en) | 2022-11-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111658652.0A Active CN114334241B (en) | 2021-12-31 | 2021-12-31 | Cable adopting multiple windings |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117559343A (en) * | 2024-01-11 | 2024-02-13 | 国网湖北省电力有限公司 | Wear-resistant reinforcing sleeve for line butt joint and use method thereof |
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| CN105428961A (en) * | 2015-12-21 | 2016-03-23 | 京信通信技术(广州)有限公司 | Method and technology for stabilizing electrical performance of semi-flexible radio frequency cable, semi-flexible radio frequency cable and connection structure for semi-flexible radio frequency cable |
| CN205508450U (en) * | 2016-02-23 | 2016-08-24 | 沈阳兴华航空电器有限责任公司 | Spring cable |
| CN210156131U (en) * | 2019-09-16 | 2020-03-17 | 天津市嵩飞昊天线缆有限公司 | Novel insulated cable |
| CN212182667U (en) * | 2020-04-13 | 2020-12-18 | 寇金臣 | Sectional type cable convenient to combination concatenation |
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2021
- 2021-12-31 CN CN202111658652.0A patent/CN114334241B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105428961A (en) * | 2015-12-21 | 2016-03-23 | 京信通信技术(广州)有限公司 | Method and technology for stabilizing electrical performance of semi-flexible radio frequency cable, semi-flexible radio frequency cable and connection structure for semi-flexible radio frequency cable |
| CN205508450U (en) * | 2016-02-23 | 2016-08-24 | 沈阳兴华航空电器有限责任公司 | Spring cable |
| CN210156131U (en) * | 2019-09-16 | 2020-03-17 | 天津市嵩飞昊天线缆有限公司 | Novel insulated cable |
| CN212182667U (en) * | 2020-04-13 | 2020-12-18 | 寇金臣 | Sectional type cable convenient to combination concatenation |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117559343A (en) * | 2024-01-11 | 2024-02-13 | 国网湖北省电力有限公司 | Wear-resistant reinforcing sleeve for line butt joint and use method thereof |
| CN117559343B (en) * | 2024-01-11 | 2024-05-03 | 国网湖北省电力有限公司 | Wear-resistant reinforcing sleeve for line butt joint and use method thereof |
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| Publication number | Publication date |
|---|---|
| CN114334241B (en) | 2022-11-11 |
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