CN109560524B - Joint structure and connecting device with same - Google Patents
Joint structure and connecting device with same Download PDFInfo
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- CN109560524B CN109560524B CN201811564961.XA CN201811564961A CN109560524B CN 109560524 B CN109560524 B CN 109560524B CN 201811564961 A CN201811564961 A CN 201811564961A CN 109560524 B CN109560524 B CN 109560524B
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- 239000002184 metal Substances 0.000 claims description 26
- 239000012212 insulator Substances 0.000 claims description 16
- 230000008878 coupling Effects 0.000 claims description 11
- 238000010168 coupling process Methods 0.000 claims description 11
- 238000005859 coupling reaction Methods 0.000 claims description 11
- 230000000712 assembly Effects 0.000 claims description 8
- 238000000429 assembly Methods 0.000 claims description 8
- 238000010276 construction Methods 0.000 claims description 8
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 210000001503 joint Anatomy 0.000 description 3
- 230000000670 limiting effect Effects 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000005684 electric field Effects 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Classifications
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- 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
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/01—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the form or arrangement of the conductive interconnection between the connecting locations
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/03—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations
- H01R11/09—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts characterised by the relationship between the connecting locations the connecting locations being identical
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
- H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
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- Cable Accessories (AREA)
Abstract
A primary object of the present invention is to provide a joint structure provided at an end portion of a cable for connecting the cable to another cable, the joint structure including: a first conductive portion for being disposed on a conductor of the cable to be conductively connected to the conductor; and the positioning assembly is connected with the first conductive part so as to position the first conductive part on the cable, so that the first conductive part is in conductive connection with the conductor. The joint structure solves the problem that the cables in the prior art are not convenient to butt.
Description
Technical Field
The invention relates to the technical field of electric power, in particular to a joint structure and a connecting device with the same.
Background
The power transmission mode of the power cable is usually adopted in the city of China, the power transmission mode is limited by various objective conditions, the finished cable is usually controlled to be 500-800 m in one section, and when the power transmission line is long, the cable in one section needs to be laid to a specified position, and then the cable section is connected with the cable section.
In the prior art, when two cables are connected, a series of operations such as cutting off the cables, stripping the outer sheaths of the cables, stripping the metal sheaths of the cables and the like are required according to the process size, generally, 2 days are required for installing a group of (A, B, C three-phase) 110kV butt joints, 3 days are required for installing a group of (A, B, C three-phase) 220kV butt joints, the consumed time is long, and the problems of poor connection sealing, unreliable connection and the like are easily caused by field construction.
Disclosure of Invention
The invention mainly aims to provide a joint structure and a connecting device with the same, so as to solve the problem that cables are inconvenient to butt in the prior art.
In order to achieve the above object, according to one aspect of the present invention, there is provided a joint structure for being provided at an end portion of a cable for connecting the cable with another cable, the joint structure including: a first conductive portion for being disposed on a conductor of the cable to be conductively connected to the conductor; and the positioning assembly is connected with the first conductive part so as to position the first conductive part on the cable, so that the first conductive part is in conductive connection with the conductor.
Further, the joint structure further includes a stress cone, and the positioning assembly includes: and the first positioning piece is arranged between the stress cone and the first conductive part so as to position the first conductive part on the cable through the stress cone.
Further, the first positioning member includes: the stop sleeve is sleeved on the conductor between the first conductive part and the stress cone, and one end of the stop sleeve is abutted to the stress cone; the connecting fitting is sleeved on a conductor section of the conductor between the first conductive part and the stop sleeve and is abutted against the first conductive part; the stress cone is connected with the cable, and the first conductive part is positioned on the conductor through the stop sleeve and the connecting fitting.
Further, first conductive part is the metal lantern ring, is equipped with the wedge mounting hole on the first conductive part inner wall, and link fitting is the wedge conductor, and at least part of wedge conductor inserts in the wedge mounting hole to fix a position first conductive part through the inner wall butt with wedge conductor and wedge mounting hole.
Further, the positioning assembly further comprises: and the second positioning piece is connected with the stress cone so as to position the stress cone on the cable.
Further, the second positioning member includes: the first positioning plate is connected with the cable; the second positioning plate is used for abutting against the stress cone so as to position the stress cone; the second positioning plate is movably arranged relative to the first positioning plate, so that the position of the stress cone on the cable can be adjusted by adjusting the distance between the second positioning plate and the first positioning plate.
Further, the joint structure further includes: and an occluder disposed at an end of the cable adjacent the end of the first conductive portion to facilitate connection between the two cables.
According to another aspect of the present invention, there is provided a connecting device including two joint structures for connecting two cables, the joint structures being the joint structures described above.
Further, the connecting device further comprises: coupling assembling is equipped with two connecting portion on the coupling assembling, and two connecting portion set up with two joint design one-to-one, and each connecting portion are connected with corresponding joint design, and coupling assembling links together two joint designs through two connecting portions.
Further, the connection assembly includes: and the connecting part is used for connecting the first conductive part and the second conductive part of the corresponding joint structure, and the first conductive parts of the two joint structures are communicated through the second conductive part.
Further, the connecting assembly comprises an insulator, the connecting portion is a connecting hole, a plurality of connecting holes are arranged on the insulator at intervals, and the plurality of connecting holes are communicated with the second conductive portion.
Further, the second conductive portion includes: the first current-conducting plate and the second current-conducting plate are oppositely arranged on the insulator, a current-conducting space is formed between the first current-conducting plate and the second current-conducting plate, and the plurality of connecting holes are communicated with the current-conducting space.
Further, the connecting device further comprises: the grounding assemblies are arranged in one-to-one correspondence with the joint structures and connected with the metal sheath of the cable so as to lead current on the metal sheath to the ground.
Further, the grounding assembly includes: one end of the tail pipe is connected with the insulator, and the other end of the tail pipe is connected with the metal sheath; and the grounding wire is connected with the tail pipe so as to lead the current on the tail pipe to the ground.
The joint structure applied to the technical scheme of the invention is arranged at one end or two ends of the cable so as to conveniently connect the cable with other cables, and comprises a first conductive part and a positioning component for fixing the first conductive part on a conductor of the cable, wherein the positioning component fixes the first conductive part and a conductor section of the cable together so as to keep the first conductive part and the conductor section of the cable in conductive connection.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
fig. 1 shows a schematic structural view of an embodiment of a connection device according to the invention;
FIG. 2 shows a schematic structural view of a joint embodiment of the present invention;
fig. 3 shows a schematic structural view of the cable of the present invention;
fig. 4 shows a schematic view of an embodiment of the connection assembly of the present invention.
Wherein the figures include the following reference numerals:
10. a cable; 101. a conductor; 102. an insulating layer; 103. an insulating shield layer; 104. a metal sheath; 105. an outer sheath; 20. a first conductive portion; 30. a positioning assembly; 31. a first positioning member; 311. a stop sleeve; 312. connecting a hardware fitting; 32. a second positioning member; 321. a first positioning plate; 322. a second positioning plate; 40. a stress cone; 50. an articulator; 60. a connecting assembly; 61. a connecting portion; 62. a second conductive portion; 621. a first conductive plate; 622. a second conductive plate; 63. an insulator; 70. a ground component; 701. a tail pipe; 702. and a ground line.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
The present invention provides a joint structure, referring to fig. 1 to 3, which is provided at an end of a cable 10 for connecting the cable 10 with another cable 10, and includes: a first conductive part 20, the first conductive part 20 being arranged on a conductor 101 of the cable 10 to be conductively connected with the conductor 101; and a positioning component 30, wherein the positioning component 30 is connected with the first conductive part 20 to position the first conductive part 20 on the cable 10, so that the first conductive part 20 is in conductive connection with the conductor 101.
The joint structure of the invention is arranged at one end or two ends of a cable so as to conveniently connect the cable with other cables, the joint structure comprises a first conductive part 20 and a positioning assembly 30 used for fixing the first conductive part 20 on a conductor 101 of the cable 10, the positioning assembly 30 fixes the first conductive part 20 and the conductor 101 section of the cable 10 together so as to keep the two in conductive connection, the connection between the two cables is more convenient by arranging the first conductive part 20, the problem that the field construction time is saved by the binding or bonding mode in the past is solved, and the reliability of the connection is ensured.
Preferably, the first conductive part 20 is a conductive metal sleeve, the end of the cable 10 is completely removed from the protective sleeve, only the conductor 101 at the core part of the cable 10 is left, and the conductive metal sleeve is sleeved on the conductor 101, so that the inner wall of the conductive metal sleeve is tightly connected with the conductor 101 to keep the conductive state.
The joint construction further includes a stress cone 40, and the locating assembly 30 includes: a first positioning element 31, the first positioning element 31 being arranged between the stress cone 40 and the first conductive part 20 to position the first conductive part 20 on the cable 10 by the stress cone 40.
The joint structure in this embodiment further includes a stress cone 40, the stress cone 40 is used to improve the electric field distribution outside the metal sheath at the end of the cable, and reduce the electric field strength at the edge of the metal sheath, the positioning assembly 30 includes a first positioning element 31, the stress cone is fixed on the cable 10, and the first positioning element 31 is disposed between the stress cone 40 and the first conductive portion 20, so as to position the position of the first conductive portion 20 by the position of the stress cone 40.
The first positioning member 31 includes: the stop sleeve 311 is sleeved on the conductor 101 between the first conductive part 20 and the stress cone 40, and one end of the stop sleeve 311 is abutted against the stress cone 40; the connecting hardware fitting 312 is sleeved on the conductor section of the conductor 101, which is located between the first conductive part 20 and the stop sleeve 311, and the connecting hardware fitting 312 is abutted against the first conductive part 20; wherein the stress cone 40 is connected with the cable 10, and the stress cone 40 positions the first conductive part 20 on the conductor 101 through the stop sleeve 311 and the connection fitting 312. The first conductive part 20 is a metal collar, a wedge-shaped mounting hole is formed in the inner wall of the first conductive part 20, the link fitting 312 is a wedge-shaped conductor, and at least part of the wedge-shaped conductor is inserted into the wedge-shaped mounting hole so as to position the first conductive part 20 by abutting the wedge-shaped conductor against the inner wall of the wedge-shaped mounting hole.
As shown in fig. 1 and fig. 2, the first positioning element 31 in this embodiment includes a stop sleeve 311 and a link fitting 312, the first conductive portion 20 is a metal sleeve ring, an inner wall of a wedge-shaped mounting hole of the metal sleeve ring is in a wedge shape, an aperture at one end is large, an aperture at the other end is small, and an inner wall in the middle is in smooth transition, the link fitting 312 in this embodiment is a wedge-shaped conductor, an outer wall of the link fitting is matched with an inner wall of the wedge-shaped mounting hole, an end is thick, and an end is thin, the first conductive portion 20 is sleeved on the conductor 101 at the end of the cable, at least a part of the link fitting 312 is inserted between the first conductive portion 20 and the conductor 101 of the cable, so as to fix the first conductive portion 20 and the conductor 101 together tightly, so that the first conductive portion 20 and the link fitting 312 are always electrically connected, and both the first conductive portion 20 and the link fitting 312 have good conductivity.
The positioning assembly 30 further comprises: a second locating member 32, the second locating member 32 being connected to the stress cone 40 to locate the stress cone 40 on the cable 10. The second positioning member 32 includes: a first positioning plate 321, the first positioning plate 321 being connected to the cable 10; the second positioning plate 322 is used for abutting against the stress cone 40 so as to position the stress cone 40; wherein the second positioning plate 322 is movably disposed relative to the first positioning plate 321, so as to adjust the position of the stress cone 40 on the cable 10 by adjusting the distance between the second positioning plate 322 and the first positioning plate 321.
As shown in fig. 1 and fig. 2, the positioning assembly 30 in this embodiment further includes a second positioning member 32, the second positioning member 32 is used to fix the stress cone 40 on the cable 10, specifically, the second positioning member 32 includes a first positioning plate 321 and a second positioning plate 322, the first positioning plate 321 and the second positioning plate 322 are both provided with holes connected to the cable 10, a threaded rod is provided between the first positioning plate 321 and the second positioning plate 322, the first positioning plate 321 and the second positioning plate 322 can move relative to each other through the threaded rod, the second positioning plate 322 abuts against the stress cone 40, after the first positioning plate 321 is fixed on the cable 10, the stress cone 40 is positioned by adjusting a relative distance between the second positioning plate 322 and the first positioning plate 321, so that the second positioning plate 322 pushes the stress cone 40, the stress cone 40 pushes the stop sleeve 311, and the stop sleeve 311 pushes the connection hardware fitting 312, the connection fitting 312 is tightly interposed between the first conductive part 20 and the conductor 101.
The joint structure further includes: and an occluder 50, the occluder 50 being disposed at an end of the electrical cables 10 adjacent an end of the first conductive portion 20 to facilitate connection between the two electrical cables 10.
As shown in fig. 1, the joint structure in this embodiment is further provided with an occluder 50 at the end of the conductor 101 of the cable 10 for connecting the cable 10 to other objects.
The invention also provides a connecting device which comprises two joint structures used for connecting two cables, wherein the joint structures are the joint structures.
In addition, the connecting device of the invention can be provided with a plurality of joint structures according to requirements so as to be used for connecting a plurality of cables.
The connecting device further comprises: coupling assembling 60, be equipped with two connecting portion 61 on the coupling assembling 60, two connecting portion 61 set up with two joint design one-to-one, and each connecting portion 61 is connected with corresponding joint design, and coupling assembling 60 links together two joint designs through two connecting portion 61. The connecting assembly 60 includes: and a second conductive portion 62, wherein the connecting portion 61 is used to connect the first conductive portion 20 and the second conductive portion 62 of the corresponding contact structure, and the first conductive portions 20 of the two contact structures are connected through the second conductive portion 62. The connecting assembly 60 includes an insulator 63, the connecting portion 61 is a connecting hole, and a plurality of connecting holes, each of which communicates with the second conductive portion 62, are provided at intervals on the insulator 63.
As shown in fig. 4, the connecting device in this embodiment includes a connecting member 60, a connecting portion 61 for connecting with the joint structure is provided on the connecting member 60, and when two cables need to be connected, two connecting portions 61 are provided on the connecting member 60. The connecting assembly 60 in this embodiment includes a second conductive portion 62 and an insulator 63, the second conductive portion 62 is made of a material with better conductivity, the insulator 63 is made of an insulating material, and the two cables are connected to the second conductive portion 62 in this embodiment by their respective corresponding joint structures, so that the two cables 10 are conductively connected by the second conductive portion 62.
The second conductive portion 62 includes: the first conductive plate 621 and the second conductive plate 622 are oppositely arranged on the insulator 63, a conductive space is formed between the first conductive plate 621 and the second conductive plate 622, and the plurality of connecting holes are communicated with the conductive space.
As shown in fig. 4, the second conductive part 62 in this embodiment includes a first conductive plate 621 and a second conductive plate 622, and in addition, the second conductive part 62 in this embodiment may also use a conductive metal sleeve, and two cables 10 are connected to the second conductive part 62 through respective joint structures and inserted between the first conductive plate 621 and the second conductive plate 622, so as to achieve the purpose of conducting electricity between the two cables 10.
The connecting device further comprises: a plurality of grounding assemblies 70, wherein the plurality of grounding assemblies 70 are arranged in one-to-one correspondence with the plurality of joint structures, and the grounding assemblies 70 are connected with the metal sheath 104 of the cable 10 to introduce the current on the metal sheath 104 to the ground. The grounding assembly 70 includes: a tail pipe 701, one end of the tail pipe 701 is connected with the insulator 63, and the other end of the tail pipe 701 is connected with the metal sheath 104; a ground line 702, the ground line 702 being connected to the tail pipe 701 to introduce the current on the tail pipe 701 to the ground.
As shown in fig. 1 and 4, the connection device in this embodiment further includes a plurality of grounding assemblies 70, each of the joint structures is provided with one grounding assembly 70, the grounding assembly 70 includes a tail pipe 701 and a grounding wire 702, the tail pipe 701 is connected to the connection assembly 60 at one end by a screw, the other end is connected to the metal sheath 104 of the cable 10 at a point, and the grounding wire 702 is also connected to the tail pipe 701, so as to lead the electricity on the metal sheath 104 of the cable 10 to the ground.
From the above description, it can be seen that the above-described embodiments of the present invention achieve the following technical effects:
the cable butt joint structure is pre-installed on the coiled cable 10 end, and after the cable 10 is laid in place, the preset joint structures at two ends can be directly butted, so that the time for connecting and installing the cable can be saved.
1. In the application, the stress cones are respectively arranged on the two sides of the connector, so that the influence of the cable curvature generated after the cable heating and modulating step is omitted on the holding force and the interface pressure of the integrally-preset rubber part (integrated stress cone) is reduced;
2. by adopting the die pressing-free connection hardware fitting 312, the conductor crimping process is simplified, and the conductor connection time is shortened;
3. by adopting the plug-in structure of the joint main body, the working process of installing the joint main body is simplified, the process of winding a strip to recover each layer of structure is omitted, and the installation time of joint accessories is shortened;
4. through adopting card to press or epoxy mud sealing method to connect sealedly, this structure can conveniently be dismantled, shortens sealed engineering time.
When the joint structure in the present application is connected to the cable 10, the end portions of both ends of the cable are first stripped and cut, and the processing result is: the cable 10 is retained from the outermost end inwards in sequence: cable conductor 101, cable insulation 102, cable insulation shield 103, cable metal sheath 104 and cable 10 with outer sheath 105 that is not skived.
The joint structure is sleeved in the stripped cable 10, the first conductive part 20 of the joint structure is arranged on the cable conductor 101 at the outermost end of the cable 10, the first positioning part 31 is arranged on the cable insulating layer 102, and the stress cone 40 is arranged on the cable insulating layer 102 and the insulating shielding layer.
The joint structures of the two cables are respectively connected with the connecting assembly 60; ensuring that the first conductive parts 20 of the two cable joint arrangements are mounted at the second conductive part 62, the other parts being mounted correspondingly; then, the construction and the sealing of grounding are carried out, the grounding device is connected with the insulator 63 of the connecting assembly 60 and is connected with the cable metal sheath 104, and meanwhile, a grounding wire 702 is installed; the final step is to fill the space between the cable joint construction and the connection assembly 60 with an insulating sealing material.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.
The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.
In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.
Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A joint construction for arranging at an end of a cable (10) for connecting the cable (10) with another said cable (10), characterized in that the joint construction comprises:
a first conductive portion (20), said first conductive portion (20) being intended to be arranged on a conductor (101) of said cable (10) so as to be in conductive connection with said conductor (101);
a positioning assembly (30), said positioning assembly (30) being connected to said first conductive portion (20) to position said first conductive portion (20) on said cable (10) to maintain said first conductive portion (20) in conductive connection with said conductor (101);
the joint construction further comprises a stress cone (40), the positioning assembly (30) comprising: a first positioning element (31), said first positioning element (31) being arranged between said stress cone (40) and said first conductive part (20) to position the position of said first conductive part (20) on said cable (10) by means of said stress cone (40);
the positioning assembly (30) further comprises: a second positioning member (32), said second positioning member (32) being connected to said stress cone (40) to position said stress cone (40) on said cable (10);
the second positioning element (32) comprises: a first positioning plate (321) and a second positioning plate (322), wherein the first positioning plate (321) is connected with the cable (10); the second positioning plate (322) is used for abutting against the stress cone (40) so as to position the stress cone (40); wherein the second positioning plate (322) is movably arranged relative to the first positioning plate (321) to adjust the position of the stress cone (40) on the cable (10) by adjusting the distance of the second positioning plate (322) relative to the first positioning plate (321);
the first positioning member (31) includes:
the stop sleeve (311) is sleeved on the conductor (101) between the first conductive part (20) and the stress cone (40), and one end of the stop sleeve (311) is abutted to the stress cone (40);
the connecting fitting (312) is sleeved on a conductor section of the conductor (101) between the first conductive part (20) and the stop sleeve (311), and the connecting fitting (312) is abutted against the first conductive part (20);
wherein the stress cone (40) is connected with the cable (10), the stress cone (40) positions the first conductive part (20) on the conductor (101) through the stop sleeve (311) and the connection fitting (312).
2. The joint structure according to claim 1, wherein the first conductive portion (20) is a metal collar, a wedge-shaped mounting hole is provided on an inner wall of the first conductive portion (20), and the connection fitting (312) is a wedge-shaped conductor, at least a portion of which is inserted into the wedge-shaped mounting hole to position the first conductive portion (20) by abutting the wedge-shaped conductor against the inner wall of the wedge-shaped mounting hole.
3. The coupling structure of claim 1, where the coupling structure further includes:
-an occluder (50), said occluder (50) being arranged at an end of said cable (10) adjacent one end of said first conductive portion (20) to facilitate connection between two of said cables (10).
4. A connecting device comprising two joint structures for connecting two cables, characterized in that the joint structure is a joint structure according to any one of claims 1 to 3.
5. The connection device of claim 4, further comprising:
coupling assembling (60), be equipped with two connecting portion (61) on coupling assembling (60), two connecting portion (61) and two joint design sets up, each with joint design one-to-one connecting portion (61) and corresponding joint design connects, coupling assembling (60) is through two connecting portion (61) is with two joint design links together.
6. The connection arrangement, as set forth in claim 5, characterized in that the connection assembly (60) comprises:
a second conductive portion (62), the connecting portion (61) being configured to connect the first conductive portion (20) corresponding to the joint structure with the second conductive portion (62), the first conductive portions (20) of the two joint structures being communicated with each other through the second conductive portion (62).
7. The connecting device according to claim 6, wherein the connecting member (60) includes an insulator (63), the connecting portion (61) is a connecting hole, a plurality of the connecting holes are provided at intervals on the insulator (63), and each of the plurality of connecting holes communicates with the second conductive portion (62).
8. The connection device according to claim 7, wherein the second conductive portion (62) comprises:
the conductive connector comprises a first conductive plate (621) and a second conductive plate (622), wherein the first conductive plate (621) and the second conductive plate (622) are oppositely arranged on the insulator (63), a conductive space is formed between the first conductive plate (621) and the second conductive plate (622), and the plurality of connecting holes are communicated with the conductive space.
9. The connection device of claim 7, further comprising:
a plurality of grounding assemblies (70), a plurality of grounding assemblies (70) and a plurality of joint structures are arranged in one-to-one correspondence, and the grounding assemblies (70) are connected with a metal sheath (104) of the cable (10) so as to lead current on the metal sheath (104) to the ground.
10. The connection device according to claim 9, characterized in that the grounding assembly (70) comprises:
a tail pipe (701), one end of the tail pipe (701) is connected with the insulator (63), and the other end of the tail pipe (701) is connected with the metal sheath (104);
a ground line (702), the ground line (702) being connected to the tail pipe (701) to draw current on the tail pipe (701) to ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564961.XA CN109560524B (en) | 2018-12-20 | 2018-12-20 | Joint structure and connecting device with same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811564961.XA CN109560524B (en) | 2018-12-20 | 2018-12-20 | Joint structure and connecting device with same |
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| Publication Number | Publication Date |
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| CN109560524A CN109560524A (en) | 2019-04-02 |
| CN109560524B true CN109560524B (en) | 2021-08-20 |
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| CN201811564961.XA Active CN109560524B (en) | 2018-12-20 | 2018-12-20 | Joint structure and connecting device with same |
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| CN202260369U (en) * | 2011-10-31 | 2012-05-30 | 上元电力科技有限公司 | Plug-pull cable terminal connector |
| CN203481774U (en) * | 2013-09-02 | 2014-03-12 | 广东电网公司佛山供电局 | Cable joint |
| CN104113035A (en) * | 2014-08-01 | 2014-10-22 | 深圳市沃尔核材股份有限公司 | Cable intermediate joint and connecting method thereof |
| CN207459690U (en) * | 2017-11-30 | 2018-06-05 | 贵州鸿桂源电力设备有限公司 | A kind of prefabricated cable transition joint |
| CN108365594A (en) * | 2016-05-12 | 2018-08-03 | 金华市秸和环保技术咨询有限公司 | A kind of power cable connector |
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2018
- 2018-12-20 CN CN201811564961.XA patent/CN109560524B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202260369U (en) * | 2011-10-31 | 2012-05-30 | 上元电力科技有限公司 | Plug-pull cable terminal connector |
| CN203481774U (en) * | 2013-09-02 | 2014-03-12 | 广东电网公司佛山供电局 | Cable joint |
| CN104113035A (en) * | 2014-08-01 | 2014-10-22 | 深圳市沃尔核材股份有限公司 | Cable intermediate joint and connecting method thereof |
| CN108365594A (en) * | 2016-05-12 | 2018-08-03 | 金华市秸和环保技术咨询有限公司 | A kind of power cable connector |
| CN207459690U (en) * | 2017-11-30 | 2018-06-05 | 贵州鸿桂源电力设备有限公司 | A kind of prefabricated cable transition joint |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109560524A (en) | 2019-04-02 |
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