CN111756013B - High-temperature superconducting power cable multi-way joint - Google Patents
High-temperature superconducting power cable multi-way joint Download PDFInfo
- Publication number
- CN111756013B CN111756013B CN202010645697.3A CN202010645697A CN111756013B CN 111756013 B CN111756013 B CN 111756013B CN 202010645697 A CN202010645697 A CN 202010645697A CN 111756013 B CN111756013 B CN 111756013B
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- fixing
- cable
- temperature superconducting
- ring
- superconducting power
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- 238000001125 extrusion Methods 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical group [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 10
- 230000002457 bidirectional effect Effects 0.000 claims description 9
- 238000009434 installation Methods 0.000 claims description 8
- 230000037431 insertion Effects 0.000 claims 2
- 238000003780 insertion Methods 0.000 claims 2
- 239000000945 filler Substances 0.000 claims 1
- 238000000034 method Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 4
- 229910052802 copper Inorganic materials 0.000 description 4
- 239000010949 copper Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 3
- 230000033001 locomotion Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 229920006351 engineering plastic Polymers 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Images
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
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
-
- 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
- H02G15/10—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes
- H02G15/16—Cable junctions protected by boxes, e.g. by distribution, connection or junction boxes structurally associated with support for line-connecting terminals within the box
-
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/60—Superconducting electric elements or equipment; Power systems integrating superconducting elements or equipment
Landscapes
- Gas Or Oil Filled Cable Accessories (AREA)
Abstract
The invention discloses a high-temperature superconducting power cable multi-way joint, which comprises a mounting bottom plate with a polygonal structure, wherein each side of the mounting bottom plate is rotatably connected with a fixed plate, a plurality of fixed plates are matched with the mounting bottom plate to form a pyramid structure, a connecting disc for connecting a plurality of cables is arranged at the central position of the mounting bottom plate, a fixed assembly for fixing the cable joint is arranged on the connecting disc, when the high-temperature superconducting power cable multi-way joint is used, the plurality of cables can penetrate through the fixed sleeve to be arranged in a containing groove, so that the plurality of cable joints can be synchronously fixed in a pushing and pressing mode through the fixed assembly, the fixing is more convenient, a large amount of mounting time can be saved, the problem of poor contact can be avoided, and further when a filling block is extruded through the fixed plates, the fixed sleeve can be contracted, therefore, the cable can be secondarily fixed, and the connection stability of the cable can be ensured.
Description
Technical Field
The embodiment of the invention relates to the technical field of power engineering, in particular to a high-temperature superconducting power cable multi-way joint.
Background
The power grid is a whole consisting of a substation with various voltages and a power transmission and distribution line in a power system and comprises three units of power transformation, power transmission and power distribution. The task of the power grid is to deliver and distribute electrical energy, changing the voltage.
Current electric energy transport all realizes through the cable, to longer transmission line, its unable long enough transmission cable of making, this just needs to adopt cable joint to connect the multistage cable, makes it form a whole, to current cable joint, it is when realizing the switching of leading to more, the cable that leads to more that its adopted all need be in proper order places the cable in appointed electric tank that connects to strengthen it through the screw, waste time and energy.
Disclosure of Invention
Therefore, the embodiment of the invention provides a multi-way joint of a high-temperature superconducting power cable, which aims to solve the problem that the connection of the multi-way cable joint in the prior art is time-consuming and labor-consuming.
In order to achieve the above object, an embodiment of the present invention provides the following:
a high-temperature superconducting power cable multi-pass connector comprises a mounting base plate in a polygonal structure, wherein each edge of the mounting base plate is rotatably connected with a fixing plate, and a plurality of fixing plates and the mounting base plate can be surrounded to form a hollow pyramid structure;
a connecting disc is arranged at the center of the mounting bottom plate, and a fixing assembly for fixing a cable joint is arranged on the connecting disc;
each vertex angle of the mounting bottom plate is provided with a fixing sleeve for fixing a cable, and the fixing sleeves are arranged around the connecting disc; arc-shaped spiral pieces are arranged at one end of each fixing plate far away from the mounting bottom plate;
when the plurality of fixing plates and the mounting bottom plate are arranged in an enclosing manner to form the pyramid structure, the plurality of arc-shaped spiral pieces are arranged in an enclosing manner to form a fixing ring; the fixing ring is matched with a screw cap which can be sleeved on the fixing ring to fix the fixing ring;
the mounting bottom plate is also provided with a filling block; when the fixing ring is fixed through the screw cap, the filling block is tightly attached to the fixing sleeve and the fixing plate, and the filling block is extruded by the fixing plate and further applies force to enable the fixing sleeve to shrink.
Optionally, the connecting disc is provided with an accommodating groove for accommodating a cable connector, and the accommodating groove is communicated with the fixed sleeve;
the fixing assembly comprises a squeezing rod for pushing the cable to move into the accommodating groove and a control assembly for driving the squeezing rod to push the cable;
the upper side and the lower side of the accommodating groove are respectively and rotatably connected with one extrusion rod;
the control assembly comprises a bidirectional screw rod arranged on the connecting disc, the bidirectional screw rod comprises two threaded rods with opposite rotation directions, each threaded rod is respectively in threaded connection with a control ring, and the two control rings are respectively positioned at the upper side and the lower side of the accommodating groove;
a control rod is rotatably connected to the control ring, and one end, far away from the control ring, of the control rod is rotatably connected with the extrusion rod;
when the bidirectional screw rod is rotated to drive the two control rings to move back to back, one end of the extrusion rod, which is far away from the control rod, continuously compresses the cable and pushes the cable to move towards the accommodating groove.
Optionally, one end of the extrusion rod, which is far away from the control rod, is provided with an arc-shaped structure attached to the surface of the cable.
Optionally, the bottom of the accommodating groove is provided with a plurality of inserting columns, and the connecting disc is provided with a connecting copper ring for electrically connecting the plurality of inserting columns.
Optionally, a plurality of anti-slip bumps are arranged on the inner wall of the fixing sleeve.
Optionally, the fixing ring is circular in shape of a circular truncated cone, and the fixing ring is connected with one end face of the fixing plate, wherein the diameter of the end face of the fixing plate is the largest.
Optionally, a buffer gap is reserved between every two adjacent arc-shaped screw pieces.
Optionally, the number of the filling blocks is the same as the number of the edges of the mounting baseplate.
Optionally, the filling block includes a fixing portion and an adjusting portion, the adjusting portion is rotatably connected with a plurality of adjusting screws, and the fixing portion is slidably connected with a fixing nut matched with the adjusting screws through a spring; the adjusting screw is in threaded connection with the fixing nut.
The embodiment of the invention has the following advantages:
when the cable connector fixing device is used, a plurality of cables can penetrate through the fixing sleeve to be arranged in the accommodating groove, so that the plurality of cable connectors can be synchronously fixed in a pushing and pressing mode through the fixing assembly, the fixing is more convenient, a large amount of installation time can be saved, the problem that poor contact is easy to occur can be avoided, the fixing sleeve can be contracted when the filling block is extruded through the fixing plate, the cables can be secondarily fixed, and the connection stability of the cables can be ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic overall structure diagram of an embodiment of the present invention;
FIG. 2 is a top view of an embodiment of the present invention;
FIG. 3 is a schematic structural diagram of a filling block according to an embodiment of the present invention;
fig. 4 is an enlarged view of a portion a of fig. 1.
In the figure:
1, mounting a bottom plate; 2, fixing a plate; 3-a connecting disc; 4-a fixation assembly; 5, fixing a sleeve; 6-filling blocks; 7-arc-shaped spiral pieces; 8-a buffer opening; 9-anti-slip bumps;
401-a receiving groove; 402-a squeeze bar; 403-a control component; 404-control loop; 405-a two-way screw; 406-a control lever; 407-inserting column; 408-connecting copper ring;
601-a stationary part; 602-an adjustment section; 603-adjusting screws; 604-fixing the nut.
Detailed Description
In order to make the objects, features and advantages of the present invention more obvious and understandable, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the embodiments described below 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.
The technical scheme of the invention is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1 to 4, the invention provides a high-temperature superconducting power cable multi-pass joint, which comprises an installation bottom plate 1 with a polygonal structure, wherein each side of the installation bottom plate 1 is rotatably connected with a fixing plate 2, a plurality of fixing plates 2 are matched with the installation bottom plate 1 to form a pyramid structure, the fixing plates 2 are preferably made of insulating engineering plastics, and sealing rubber gaskets are arranged on each side of the fixing plates 2, namely when the fixing plates 2 are matched with the installation bottom plate 1 to form the pyramid structure, the problem of rainwater infiltration from edge gaps can be avoided through the sealing rubber gaskets.
In addition, the fixing plate 2 can be provided with an embedded groove, namely, after the fixing plate is formed into a pyramid structure, a binding belt can be placed in the embedded groove, so that the fixing plate can be secondarily fixed through the binding belt, and the problem that the fixing plate is easy to fall apart due to accidents can be avoided.
The central point that is located mounting plate 1 puts the department and is provided with connection pad 3 that is used for making a plurality of cables to connect, be provided with on connection pad 3 and be used for carrying out fixed subassembly 4 fixed to the cable joint, each apex angle department of mounting plate 1 all is provided with and is used for carrying out fixed cover 5 fixed to the cable position, one side of fixed cover 5 is provided with buffering opening 8, and be provided with anti-skidding bump 9 on the inner wall of fixed cover 5, the buffering opening 8 that sets up can supply the cable to pass fixed cover 5, further when fixed cover 5 is extrudeed, can utilize buffering opening 8 to make fixed cover 5 shrink in certain degree, thereby usable anti-skidding bump 9 realizes the fixed to the cable, it can be more convenient to fix.
Still be provided with filling block 6 on mounting plate 1, the one end that mounting plate 1 was kept away from to fixed plate 2 is provided with arc spiral shell piece 7, and a plurality of arc spiral shell pieces 7 form the solid fixed ring that the accessible nut is fixed, and a plurality of fixed plates 2 are screwed in order to extrude filling block 6 through the nut, and the application of force makes fixed cover 5 shrink.
The quantity of the filling blocks 6 is consistent with that of the edges of the mounting bottom plate 1, so that the problem that the fixing sleeve 5 cannot be sufficiently extruded through the filling blocks 6 in the using process is avoided.
The fixing ring is in a circular truncated cone shape, and the diameter of one end face of the fixing ring, which is connected with the fixing plate 2, is the largest; reserve on the solid fixed ring that a plurality of arc flight 7 formed and have the buffering clearance, make a plurality of fixed plates 2 cooperation mounting plate 1 form the pyramid structure promptly after, enable a plurality of arc flight 7 and form solid fixed ring, further with the nut revolve the back on solid fixed ring, can realize the fixed to fixed plate 2 position, because of the shape of arc flight 7, consequently can be behind gradual rotatory nut, can make 2 gradual inside rotations of fixed plate, gradual come to carry out the application of force to fixed cover 5 through extrusion filling block 6, further then can realize the shrink of fixed cover 5, can effectively fix the cable of fixed cover 5.
The fixing sleeve 5 is preferably made of a material with strong toughness, so that the problem that the fixing sleeve cannot be reset after being deformed is avoided.
As shown in fig. 1, 2 and 4, the connecting disc 3 is provided with a receiving groove 401 for receiving a cable connector, and the receiving groove 401 is communicated with the fixing sleeve 5;
the fixing assembly 4 includes a pressing rod 402 for pushing the cable to move into the receiving groove 401 and a control assembly 403 for driving the pressing rod 402 to push the cable;
the upper and lower sides of the accommodating groove 401 are respectively connected with an extrusion rod 402 in a rotating way;
the control component 403 comprises a bidirectional screw 405 mounted on the connecting disc 3, the bidirectional screw 405 comprises two threaded rods with opposite rotation directions, each threaded rod is respectively in threaded connection with a control ring 404, and the two control rings 404 are respectively positioned at the upper side and the lower side of the accommodating groove 401;
a control rod 406 is rotatably connected to the control ring 404, and one end of the control rod 406, which is far away from the control ring 404, is rotatably connected with the extrusion rod 402;
when the bidirectional screw 405 is rotated to drive the two control rings 404 to move back and forth, the end of the extrusion rod 402 away from the control rod 406 continuously compresses the cable and pushes the cable to move into the receiving groove 401.
One end of the extrusion rod 402, which is far away from the control rod 406, is provided with an arc-shaped structure attached to the surface of the cable, so that when the extrusion rod 402 extrudes the cable, the extrusion rod 402 can be prevented from sinking into a stranded wire of the cable, thereby causing a problem that the cable is difficult to extrude through the extrusion rod 402.
Specifically, the bottom of the accommodating groove 401 is provided with a plurality of inserting posts 407, and the connecting disc 3 is provided with a connecting copper ring 408 for electrically connecting the plurality of inserting posts 407.
Connecting copper ring 408 and grafting post 407 formula structure as an organic whole, the cable generally is made by a plurality of copper lines of transposition together, after scattering the copper line with cable end department, can make grafting post 407 insert to the cable end in to can strengthen being connected between grafting post 407 and the cable, in addition, in order to further increase its electrically conductive performance, here can set up the contact copper sheet that is connected with connecting copper ring 408 on the inner wall of accomodating groove 401, promptly after the cable is put into accomodating groove 401, can further increase electric conductive property through the contact with the contact copper sheet.
When control ring 404 moves, can drive the motion of control lever 406, the motion of control lever 406 then can drive the extrusion stem 402 and rotate, extrusion stem 402 has certain length, consequently, the movement track of its end is the arc, when the one end of extrusion stem 402 and cable joint contact moved towards the tank bottom one side of accomodating 401, then can realize when pushing down cable joint, extrude cable joint toward the tank bottom direction of accomodating groove 401, thereby can increase substantially its stability of connecting, can avoid it to appear contact failure's problem when connecting easily.
As shown in fig. 1 and fig. 3, the filling block 6 includes a fixing portion 601 and an adjusting portion 602, a plurality of adjusting screws 603 are rotatably connected to the adjusting portion 602, and a fixing nut 604 matching with the adjusting screws 603 is slidably connected to the fixing portion 601 through a spring; the adjusting screw 603 is screwed to the fixing nut 604.
The relative position of fixed part 601 and regulating part 602 can carry out the regulation of freedom in certain degree, and the fixing nut 604 through spring sliding connection mainly reserves certain buffer space for regulating part 602, can avoid it too hard board to lead to being difficult to carry out the problem of even application of force to fixed cover 5 through filling block 6, can guarantee that the cable is fixed more firmly.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
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.
The above-mentioned embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the same; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (9)
1. The high-temperature superconducting power cable multi-way joint is characterized by comprising an installation base plate (1) in a polygonal structure, wherein each edge of the installation base plate (1) is rotatably connected with a fixing plate (2), and a plurality of fixing plates (2) and the installation base plate (1) can be enclosed to form a hollow pyramid structure;
a connecting disc (3) is arranged at the center of the mounting bottom plate (1), and a fixing assembly (4) for fixing a cable joint is arranged on the connecting disc (3);
each vertex angle of the mounting bottom plate (1) is provided with a fixing sleeve (5) for fixing a cable, and the fixing sleeves (5) are arranged around the connecting disc (3); an arc-shaped screw sheet (7) is arranged at one end of each fixing plate (2) far away from the mounting base plate (1);
when the plurality of fixing plates (2) and the mounting bottom plate (1) are arranged in an enclosing manner to form the pyramid structure, the plurality of arc-shaped screw pieces (7) are arranged in an enclosing manner to form a fixing ring; the fixing ring is matched with a screw cap which can be sleeved on the fixing ring to fix the fixing ring;
the mounting bottom plate (1) is also provided with a filling block (6); when the fixing ring is fixed by the screw cap, the filling block (6) is tightly attached to the fixing sleeve (5) and the fixing plate (2), the filling block (6) is extruded by the fixing plate (2), and then the fixing sleeve (5) is contracted by force application.
2. The multi-way joint of a high-temperature superconducting power cable according to claim 1, wherein the connecting disc (3) is provided with a receiving groove (401) for receiving the cable joint, and the receiving groove (401) is communicated with the fixing sleeve (5);
the fixing component (4) comprises a squeezing rod (402) used for pushing the cable to move towards the containing groove (401) and a control component (403) used for driving the squeezing rod (402) to push the cable;
the upper side and the lower side of the accommodating groove (401) are respectively connected with the extrusion rod (402) in a rotating way;
the control assembly (403) comprises a bidirectional screw (405) arranged on the connecting disc (3), the bidirectional screw (405) comprises two threaded rods with opposite rotation directions, each threaded rod is respectively in threaded connection with a control ring (404), and the two control rings (404) are respectively positioned on the upper side and the lower side of the accommodating groove (401);
a control rod (406) is rotatably connected to the control ring (404), and one end, away from the control ring (404), of the control rod (406) is rotatably connected with the extrusion rod (402);
when the bidirectional screw (405) is rotated to drive the two control rings (404) to move back and forth, one end of the extrusion rod (402) far away from the control rod (406) continuously compresses the cable and pushes the cable to move towards the accommodating groove (401).
3. A hts cable multi-way joint according to claim 2, characterized in that the end of the extrusion rod (402) remote from the control rod (406) is provided with an arc-shaped structure that fits the cable surface.
4. The multi-way joint of a high-temperature superconducting power cable according to claim 2, wherein a plurality of insertion posts (407) are arranged at the bottom of the accommodating groove (401), and a connecting copper ring (408) for electrically connecting the plurality of insertion posts (407) is arranged on the connecting disc (3).
5. A multi-way joint for a high-temperature superconducting power cable according to claim 1, characterized in that a plurality of anti-slip protrusions (9) are provided on the inner wall of the fixing sleeve (5).
6. A high-temperature superconducting power cable multi-way joint according to claim 1, wherein the fixing ring is in the shape of a circular truncated cone, and the diameter of one end face of the fixing ring, which is connected with the fixing plate (2), is the largest.
7. A multi-way joint for a high-temperature superconducting power cable according to claim 1, wherein a buffer gap is left between two adjacent arc-shaped spiral pieces (7).
8. A high temperature superconducting power cable multi-pass joint according to claim 1, characterized in that the number of the filler blocks (6) is the same as the number of the sides of the mounting baseplate (1).
9. The multi-way joint of a high-temperature superconducting power cable according to claim 1, wherein the filling block (6) comprises a fixing part (601) and an adjusting part (602), a plurality of adjusting screws (603) are rotatably connected to the adjusting part (602), and a fixing nut (604) matched with the adjusting screws (603) is slidably connected to the fixing part (601) through a spring; the adjusting screw (603) is in threaded connection with the fixing nut (604).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010645697.3A CN111756013B (en) | 2020-07-07 | 2020-07-07 | High-temperature superconducting power cable multi-way joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010645697.3A CN111756013B (en) | 2020-07-07 | 2020-07-07 | High-temperature superconducting power cable multi-way joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111756013A CN111756013A (en) | 2020-10-09 |
| CN111756013B true CN111756013B (en) | 2021-04-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010645697.3A Active CN111756013B (en) | 2020-07-07 | 2020-07-07 | High-temperature superconducting power cable multi-way joint |
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| CN (1) | CN111756013B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0297216A (en) * | 1988-09-30 | 1990-04-09 | Nippon Telegr & Teleph Corp <Ntt> | Cable joint closure |
| JPH0879958A (en) * | 1994-09-02 | 1996-03-22 | Fujikura Ltd | Communication cable joint closure |
| JP2017070126A (en) * | 2015-09-30 | 2017-04-06 | 住友電気工業株式会社 | Liquid-tight structure, and terminal structure for superconducting cable |
| CN209119742U (en) * | 2018-12-25 | 2019-07-16 | 中铁二局集团电务工程有限公司 | A kind of connection transfer device of wire casing |
| CN110518376A (en) * | 2019-08-30 | 2019-11-29 | 天津大学 | A kind of high-temperature superconductive power cable multiple-pass joint |
| CN210669496U (en) * | 2019-10-16 | 2020-06-02 | 江苏海达电气有限公司 | Easily install cable tee bend casing |
-
2020
- 2020-07-07 CN CN202010645697.3A patent/CN111756013B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0297216A (en) * | 1988-09-30 | 1990-04-09 | Nippon Telegr & Teleph Corp <Ntt> | Cable joint closure |
| JPH0879958A (en) * | 1994-09-02 | 1996-03-22 | Fujikura Ltd | Communication cable joint closure |
| JP2017070126A (en) * | 2015-09-30 | 2017-04-06 | 住友電気工業株式会社 | Liquid-tight structure, and terminal structure for superconducting cable |
| CN209119742U (en) * | 2018-12-25 | 2019-07-16 | 中铁二局集团电务工程有限公司 | A kind of connection transfer device of wire casing |
| CN110518376A (en) * | 2019-08-30 | 2019-11-29 | 天津大学 | A kind of high-temperature superconductive power cable multiple-pass joint |
| CN210669496U (en) * | 2019-10-16 | 2020-06-02 | 江苏海达电气有限公司 | Easily install cable tee bend casing |
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| Publication number | Publication date |
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| CN111756013A (en) | 2020-10-09 |
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