CN117080797B - Multi-core power cable - Google Patents
Multi-core power cable Download PDFInfo
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- CN117080797B CN117080797B CN202311337453.9A CN202311337453A CN117080797B CN 117080797 B CN117080797 B CN 117080797B CN 202311337453 A CN202311337453 A CN 202311337453A CN 117080797 B CN117080797 B CN 117080797B
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- crimping
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- connection
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- 238000002788 crimping Methods 0.000 claims abstract description 61
- 230000005540 biological transmission Effects 0.000 claims abstract description 31
- 238000000034 method Methods 0.000 claims description 16
- 230000010354 integration Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract 4
- 238000010168 coupling process Methods 0.000 abstract 4
- 238000005859 coupling reaction Methods 0.000 abstract 4
- 230000009977 dual effect Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 14
- 230000037431 insertion Effects 0.000 description 14
- 230000009286 beneficial effect Effects 0.000 description 6
- 230000003044 adaptive effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000000007 visual effect Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
- H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
- H01R13/5812—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part the cable clamping being achieved by mounting the separate part on the housing of the coupling device
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/02—Power cables with screens or conductive layers, e.g. for avoiding large potential gradients
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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
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
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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
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention provides a multi-core power cable, which belongs to the technical field of power cables and comprises a transmission part and a connection part, wherein the connection part comprises a connector with one end being a plug-in end and the other end being a connection end, the connection end is provided with plug-in grooves corresponding to cores one by one, the plug-in grooves are provided with crimping pieces and self-adaptive clamping pieces, the clamping pieces are axially and slidably connected to the plug-in grooves, and the crimping pieces are radially and slidably connected to the plug-in grooves. This multicore power cable is in the same place transmission part and coupling part fixed connection with the fixed mode of dual centre gripping and multistage centre gripping, not only can guarantee the reliability that coupling part and transmission part are connected, ensures the stability that integration power cable used, but also the smooth convenient access coupling part of transmission part of being convenient for has reduced the fixed degree of difficulty of transmission part and coupling part connection, has improved the flexibility ratio and the convenience of change that integration power cable used.
Description
Technical Field
The invention relates to the technical field of power cables, in particular to a multi-core power cable.
Background
The power cable is a cable for transmitting and distributing electric energy, is widely applied to the fields of urban underground power grids, power station outgoing lines, power supply in industrial and mining enterprises, power transmission lines under river-crossing sea water and the like, and integrates a connector and a power cable transmission line to form an integrated power cable for simplifying installation, improving reliability and reducing complexity of a system.
In order to ensure the reliability of connection between the connector and the transmission line, the existing integrated power cable generally has the defects of lower flexibility in use and inconvenient disassembly and replacement, lower stability in detachable connection, influence on the stability in use, and particularly the multi-core power cable, has higher difficulty in connection and fixation, lower convenience in connection and fixation process and is more difficult to connect with the connector stably and reliably.
Disclosure of Invention
The invention provides a multi-core power cable to solve the problems of high difficulty, low convenience and relatively poor connection stability of the integrated power cable in the related technology.
The invention provides a multi-core power cable, which comprises a transmission part, wherein the transmission part comprises a cylindrical main body and cores uniformly distributed in the main body along the circumferential direction of the main body; a connection portion; the connecting part comprises a connecting body, wherein one end of the connecting body is an inserting end, the other end of the connecting body is a connecting end, an inserting groove corresponding to the core body one to one is formed in the connecting end, a crimping piece and a self-adapting clamping piece are arranged on the inserting groove, the clamping piece is axially and slidably connected onto the inserting groove in a sliding mode, a locking control piece and the self-adapting control piece are arranged on the connecting body, the clamping piece is connected onto the self-adapting control piece in a sliding mode, the self-adapting control piece is connected onto the end face of the connecting end in a sliding mode, the locking control piece is used for synchronously controlling the crimping piece to slide and locking the position of the crimping piece, the crimping piece comprises a first-stage crimping area, a second-stage crimping area and a third-stage crimping area, the first-stage crimping area and the second-stage crimping area are sequentially arranged from the inserting end to the connecting end, the clamping piece comprises a base body which is symmetrically arranged, and the first-stage clamping area and the second-stage clamping area are arranged on the base body.
In one possible implementation mode, the locking control piece comprises a control sleeve which is sleeved on the connecting body through threads, a connecting ring is rotationally connected to the control sleeve, a plurality of connecting rods are fixedly connected to the connecting ring, the connecting rods correspond to the crimping pieces one by one, pushing blocks are connected to the connecting rods, inclined planes are arranged on the pushing blocks, and pushing grooves corresponding to the pushing blocks are formed in the crimping pieces.
In one possible implementation manner, the first-stage crimping area is in a straight line shape and is in a wave structure, the second-stage crimping area and the third-stage crimping area are in an arc shape and are in a wave structure, and the direction of the wave structure of the first-stage crimping area is perpendicular to the direction of the wave structures of the second-stage crimping area and the third-stage crimping area.
In one possible implementation mode, the three-stage crimping area is located outside the inserting groove, the connecting ring is provided with an outwards extending protection limiting part, and the control sleeve moves from the inserting end to the connecting end in the process of crimping the core body by the control crimping piece.
In one possible implementation manner, the base body comprises a fixed part and a sliding part, the sliding part is connected with a limiting column, and the connecting body is provided with a track groove for limiting the limiting column.
In one possible implementation manner, the crimping piece is connected with a limiting plug-in piece, and the clamping piece is provided with a limiting slot corresponding to the limiting plug-in piece.
The above technical solutions in the embodiments of the present invention have at least one of the following technical effects: 1. according to the multi-core power cable provided by the embodiment of the invention, the transmission part and the connection part are fixedly connected together in the modes of double clamping fixation and multi-stage clamping fixation, so that the connection reliability of the connection part and the transmission part can be ensured, the use stability of the integrated power cable is ensured, the transmission part can be conveniently and smoothly connected into the connection part, the connection fixation difficulty of the transmission part and the connection part is correspondingly reduced, and the use flexibility and the connection convenience of the integrated power cable are improved.
2. According to the multi-core power cable provided by the embodiment of the invention, the clamping piece which is used for automatically clamping the first access area and the second access area along with the backward movement of the transmission part not only improves the stability of connection and fixation, but also is beneficial to the smooth insertion of the first access area and the second access area in the insertion groove, and the clamping piece at the pre-connection position is more beneficial to visual insertion of the first access area and the second access area, so that the smoothness and convenience of the insertion process of the first access area and the second access area are integrally and effectively improved.
3. According to the multi-core power cable provided by the embodiment of the invention, the protection limiting part limits the main body, so that the stability of connection between the access end and the connection end is further improved, and the multi-core power cable is in a state of being attached to the connection end surface of the main body in the connection process, so that the multi-core power cable is convenient for visual access to the first area and the second area, and ensures the convenience of the connection process.
4. According to the multi-core power cable provided by the embodiment of the invention, the compression joint surface and the clamping surface of the wave structure are beneficial to improving the stability of connection and fixation, and the difference of the wave structure directions is beneficial to further improving the stability of connection and fixation, so that the stability of connection between the transmission part and the connection part is integrally and effectively improved.
5. According to the multi-core power cable provided by the embodiment of the invention, the limiting plug-in and the limiting slot are used for associating the crimping piece with the clamping piece, so that the clamping stability of the clamping piece is improved, the connection and fixation integration of the transmission part and the connection part is improved, and the connection reliability of the integrated power cable is correspondingly further improved.
Drawings
Fig. 1 is a schematic diagram of a transmission part of a multi-core power cable according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of a connection process between a transmission portion and a connection portion of a multi-core power cable according to an embodiment of the present invention.
Fig. 3 is a schematic structural diagram of a connection portion of a multi-core power cable according to an embodiment of the present invention.
Fig. 4 is a schematic structural view of the crimp member according to the present invention from a longitudinal sectional view of the inner structure of the uppermost insertion groove of fig. 3.
Fig. 5 is a schematic view showing the structure of the holding member according to the present invention from the longitudinal sectional view of the inner structure of the uppermost insertion groove of fig. 3.
Fig. 6 is a schematic structural diagram of a control sleeve and a crimp member of a multicore power cable according to an embodiment of the present invention.
Fig. 7 is an enlarged view at a in fig. 6.
Fig. 8 is a schematic diagram illustrating a state between a track groove and a limit post of a multi-core power cable according to an embodiment of the present invention.
In the figure: 1. a transmission section; 101. a main body; 102. a core; 2. a connection portion; 21. a connecting body; 22. an insertion groove; 23. a crimp member; 231. a primary crimping zone; 232. a secondary crimping zone; 233. a third-stage crimping zone; 24. a clamping member; 241. a base; 2411. a fixing portion; 2412. a sliding portion; 2413. a limit column; 2414. a track groove; 242. a primary clamping zone; 243. a secondary clamping zone; 25. a locking control member; 251. a control sleeve; 252. a connecting ring; 253. a connecting rod; 254. a pushing block; 255. pushing grooves; 256. a protective limit part; 26. an adaptive control; 261. a connecting plate; 262. a connecting column; 27. a limit plug-in; 28. a limit slot; 3. accessing a zone; 4. accessing a second area; 5. and accessing three areas.
Detailed Description
In order that the above objects, features and advantages of the invention will be readily understood, a more particular description of the invention will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The invention may be embodied in many other forms than described below and similarly modified by those skilled in the art without departing from the spirit or scope of the invention, which is therefore not limited to the specific embodiments disclosed below.
Referring to fig. 1-5, the multi-core power cable comprises a transmission part 1 and a connection part 2, wherein the transmission part 1 comprises a cylindrical main body 101 and a core 102 uniformly distributed in the main body 101 along the circumferential direction of the main body 101, the main body 101 is sequentially provided with an outer sheath layer, a steel tape armor layer, an inner sheath layer and an inner filling part from outside to inside, the core 102 is sequentially provided with an outer sheath, a shielding layer, an insulating layer and an inner conductor from outside to inside, the connection end of the transmission part 1, which is connected with the connection part 2, is in a step shape, the planned connection end respectively comprises a first connection area 3, a second connection area 4 and a third connection area 5, which are in a step shape, the first connection area 3 is a bare inner conductor part, the second connection area 4 is a bare outer sheath part, the third connection area 5 is an outer sheath layer part near the end, the connection part 2 comprises a connection body 21 with a rear end as a connection end and a front end, the connecting end is provided with an inserting groove 22 which corresponds to the core 102 one by one, the inserting groove 22 is provided with a press fitting part 23 and a self-adapting clamping part 24, the press fitting part 23 comprises a first-stage press fitting area 231, a second-stage press fitting area 232 and a third-stage press fitting area 233 which are sequentially arranged from the inserting end to the connecting end, as shown in figure 4, the first-stage press fitting area 231, the second-stage press fitting area 232 and the third-stage press fitting area 233 are respectively connected with a first-stage area 3, a second-stage access area 4 and a third-stage access area 5 in a corresponding manner, the corresponding access areas are clamped and fixed, the clamping part 24 simultaneously clamps and fixes the first-stage access area 3 and the second-stage access area 4, as shown in figure 5, the clamping part 24 comprises a matrix 241 symmetrically arranged inside the inserting groove 22, the matrix 241 comprises a fixed part 2411 and a sliding part 2412, the sliding part 2412 is sequentially provided with a first-stage clamping area 242 and a second-stage clamping area 243, the symmetrical first-stage clamping area 242 is used for clamping and fixing the access first-stage area 3, the symmetrical second-stage clamping area 243 is used for clamping and fixing the access second-stage area 4, the clamping surface of the clamping piece 24 is perpendicular to the crimping surface of the crimping piece 23, and the reliability of the connection between the connecting part 2 and the transmission part 1 can be effectively ensured through double clamping and fixing and multistage clamping and fixing, so that the stability of the integrated cable is ensured.
Referring to fig. 1 to 5, the base 241 is slidably connected to the insertion groove 22 back and forth, the crimp member 23 is slidably connected to the insertion groove 22 in the radial direction of the connector 21, the connector 21 is provided with the locking control member 25 and the adaptive control member 26, the base 241 is connected to the adaptive control member 26, the adaptive control member 26 is elastically slidably connected to the end face of the connection end, the locking control member 25 is used for synchronously controlling the crimp member 23 to slide and lock the position of the crimp member 23, the base 241 is in the pre-connection position and is in the state of not clamping in the initial state in the process of connecting the transmission part 1 with the connection part 2, as shown in fig. 3, at this time, the rear end of the base 241 is close to the notch of the front end of the insertion groove 22, then the rear end of the transmission part 1 is connected to the connection end, in this process, the core 102 is aligned with the corresponding insertion groove 22 and is moved backward to be inserted into the corresponding insertion groove 22, in the inserting and placing process, the first access area 3 and the second access area 4 are moved to the corresponding positions between the first level clamping area 242 and the second level clamping area 243, at this time, the clamping piece 24 in the non-clamping working state, that is, the space between the symmetrical first level clamping area 242 and the symmetrical second level clamping area 243 is loose, so that the first access area 3 and the second access area 4 can be smoothly inserted, then, along with the backward movement of the transmission part 1, the main body 101 drives the self-adaptive control element 26 to move backward, the self-adaptive control element 26 moves backward to synchronously drive the substrate 241 to move backward, in the process, the substrate 241 moves to the middle, the space between the symmetrical first level clamping area 242 and the second level clamping area 243 is reduced, so that the first level clamping area 242 and the second level clamping area 243 respectively clamp and fix the corresponding first access area 3 and the second access area 4, and then the clamping and fixing state is kept and the clamping piece 24 is continuously moved to the connecting position, in the process, the clamping piece 24 can clamp and fix the first access area 3 and the second access area 4, the first access area 3 and the second access area 4 are smoothly inserted into the inserting groove 22, the clamping piece 24 in the pre-connecting position is more beneficial to visually and visually inserting the first access area 3 and the second access area 4, the smoothness and convenience of the inserting process of the first access area 3 and the second access area 4 are integrally improved, and after the first access area 3 and the second access area 4 are smoothly placed at the connecting position in the inserting groove 22, the locking control piece 25 synchronously controls the pressing piece 23 to move towards the direction of the inner core 102 of the corresponding inserting groove 22 until the clamping and fixing of the first access area 3, the second access area 4 and the third access area 5 are completed.
Referring to fig. 3, fig. 5, fig. 6, fig. 7 and fig. 8, the adaptive control member 26 includes a connection plate 261 and a connection post 262, the connection post 262 is slidingly connected to the connection body 21, the connection plate 261 is fixedly connected to the front end of the connection post 262 and is located at the front side of the connection end, the sliding portion 2412 is slidingly connected to the fixing portion 2411 in a limited manner, the fixing portion 2411 is fixedly connected to the connection plate 261, the sliding portion 2412 is connected to the limiting post 2413, the first-stage clamping area 242 and the second-stage clamping area 243 are located on the sliding portion 2412, a track groove 2414 for limiting the limiting post 2413 is formed in the connection body 21, when the first-stage clamping area 3 and the second-stage clamping area 4 are moved into the corresponding first-stage clamping area 242 and the second-stage clamping area 243, the connection plate 261 moves backward along with the transmission portion 1, the sliding portion 2412 moves backward along the track groove 2414, the track groove 2414 is bent, the limiting post 2413 is symmetrically arranged on the sliding portion 2412 along the track groove 2414, the first-stage clamping area 2412 is symmetrically connected to the second-stage clamping area 2412 and the second-stage clamping area 243 is symmetrically connected to the first-stage clamping area 2412 and the second-stage clamping area 243, and the first-stage clamping area is easily connected to the first-stage clamping area and the second-stage clamping area is connected to the second-stage clamping area and the second-stage clamping area 243, and the first-stage clamping area is symmetrically arranged in the first-stage clamping area and the second stage clamping area is symmetrically is connected to the second stage clamping area and the second stage clamping area is correspondingly arranged in the clamping area clamping the clamping 2.
Referring to fig. 3, 4 and 6, the locking control member 25 includes a control sleeve 251 screwed on the connector 21, a connecting ring 252 is rotationally connected to the control sleeve 251, a plurality of connecting rods 253 are fixedly connected to the connecting ring 252, the connecting rods 253 are in one-to-one correspondence with the crimping members 23, pushing blocks 254 are connected to the connecting rods 253, inclined surfaces are arranged on the pushing blocks 254, pushing grooves 255 corresponding to the pushing blocks 254 are arranged on the crimping members 23, the crimping members 23 are elastically and slidably connected with the connector 21, and in the process that the locking control member 25 synchronously controls the crimping members 23 to move towards the corresponding core 102 of the inserting grooves 22, the connecting rods 253 are synchronously driven to move by the connecting rings 252, and in the moving process, the crimping members 23 are pushed by the pushing blocks 254 to synchronously move towards the corresponding core 102, so that the crimping members 23 are crimped to the first access zone 3, the second access zone 4 and the third access zone 5.
Referring to fig. 2 and 3, the third-stage crimping zone 233 is located outside the insertion groove 22, the connecting ring 252 is provided with an outwardly extending protection limiting portion 256, as shown in fig. 3, the protection limiting portion 256 is of an annular structure and is provided with a through groove for sliding the third-stage crimping zone 233, when the control sleeve 251 rotates to drive the crimping piece 23 to move towards the core 102, the control sleeve 251 moves from back to front, and then the protection limiting portion 256 moves forward to combine with the third-stage crimping zone 233 to limit the main body 101, so that the stability of connection between the access end and the connecting end is improved, and in an initial state, the front end face of the protection limiting portion 256 is abutted against the end face of the connecting end of the main body 101, visual access to the first zone 3 and the insertion position of the second zone 4 are facilitated, and convenience in a connection process is improved.
Referring to fig. 2 and 4, the crimp surface of the primary crimp region 231 is in a straight line shape and is in a wave structure, the crimp surfaces of the secondary crimp region 232 and the tertiary crimp region 233 are in an arc shape and are in a wave structure, the direction of the wave structure of the primary crimp region 231 is perpendicular to the direction of the wave structure of the secondary crimp region 232 and the tertiary crimp region 233, the crimp surface of the wave structure can effectively improve the stability of the crimp fixation, and the difference of the wave structure directions is beneficial to further improving the stability of the crimp fixation, so that the stability of the connection of the transmission part 1 and the connection part 2 is integrally and effectively improved.
Referring to fig. 5, 6 and 7, the press-connection piece 23 is connected with a limiting insert 27, the sliding portion 2412 is provided with a limiting slot 28 corresponding to the limiting insert 27, and when the press-connection piece 23 slides towards the core 102, the limiting insert 27 is inserted into the limiting slot 28 to limit the sliding portion 2412, so that the stability of the sliding portion 2412 is in the current state, and further, the stability of clamping by the clamping piece 24 is improved.
In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present invention, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," "mounted," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, integrally connected, or slidably connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
The embodiments of the present invention are all preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle according to the present invention should be covered in the protection scope of the present invention.
Claims (4)
1. A multi-core power cable, characterized in that: comprises a transmission part (1), wherein the transmission part (1) comprises a cylindrical main body (101) and a core body (102) uniformly distributed in the main body (101) along the circumferential direction of the main body (101);
a connection part (2); the connecting part (2) comprises a connecting body (21) with one end being an inserting end and the other end being a connecting end, inserting grooves (22) which are in one-to-one correspondence with the cores (102) are formed in the connecting end, crimping pieces (23) and self-adaptive clamping pieces (24) are arranged on the inserting grooves (22), the clamping pieces (24) are axially and slidably connected to the inserting grooves (22), the crimping pieces (23) are radially and slidably connected to the inserting grooves (22), locking control pieces (25) and self-adaptive control pieces (26) are arranged on the connecting body (21), the clamping pieces (24) are connected to the self-adaptive control pieces (26), the self-adaptive control pieces (26) are slidably connected to the end faces of the connecting end, and the locking control pieces (25) are used for synchronously controlling the crimping pieces (23) to slide and locking the positions of the crimping pieces (23);
the crimping piece (23) comprises a first-stage crimping zone (231), a second-stage crimping zone (232) and a third-stage crimping zone (233) which are sequentially arranged from the plugging end to the connecting end, the clamping piece (24) comprises a symmetrically arranged base body (241), and a first-stage clamping zone (242) and a second-stage clamping zone (243) are sequentially arranged on the base body (241);
the locking control piece (25) comprises a control sleeve (251) which is sleeved on the connecting body (21) through threads, a connecting ring (252) is rotationally connected to the control sleeve (251), a plurality of connecting rods (253) are fixedly connected to the connecting ring (252), the connecting rods (253) are in one-to-one correspondence with the crimping pieces (23), pushing blocks (254) are connected to the connecting rods (253), inclined surfaces are arranged on the pushing blocks (254), and pushing grooves (255) corresponding to the pushing blocks (254) are formed in the crimping pieces (23);
the base body (241) comprises a fixed part (2411) and a sliding part (2412), a limiting column (2413) is connected to the sliding part (2412), and a track groove (2414) for limiting the limiting column (2413) is formed in the connecting body (21); the self-adaptive control member (26) comprises a connecting plate (261) and a connecting column (262), the connecting column (262) is slidably connected to the connecting body (21), the connecting plate (261) is fixedly connected to the front end of the connecting column (262) and located on the front side of the connecting end, the sliding portion (2412) is limited and slidably connected to the fixed portion (2411), the fixed portion (2411) is fixedly connected to the connecting plate (261), and the primary clamping area (242) and the secondary clamping area (243) are located on the sliding portion (2412).
2. A multi-core power cable according to claim 1, wherein: the crimping surface of the primary crimping zone (231) is in a straight line shape and is of a wave structure, the crimping surface of the secondary crimping zone (232) and the tertiary crimping zone (233) is in an arc shape and is of a wave structure, and the direction of the wave structure of the primary crimping zone (231) is perpendicular to the direction of the wave structure of the secondary crimping zone (232) and the tertiary crimping zone (233).
3. A multi-core power cable according to claim 1, wherein: the three-stage crimping area (233) is positioned outside the inserting groove (22), the connecting ring (252) is provided with an outwards extending protection limiting part (256), and the control sleeve (251) moves from the inserting end to the connecting end in the process of crimping the core body (102) by the control crimping piece (23).
4. A multi-core power cable according to claim 1, wherein: the crimping piece (23) is connected with a limiting plug-in (27), and the clamping piece (24) is provided with a limiting slot (28) corresponding to the limiting plug-in (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311337453.9A CN117080797B (en) | 2023-10-17 | 2023-10-17 | Multi-core power cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311337453.9A CN117080797B (en) | 2023-10-17 | 2023-10-17 | Multi-core power cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117080797A CN117080797A (en) | 2023-11-17 |
| CN117080797B true CN117080797B (en) | 2023-12-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311337453.9A Active CN117080797B (en) | 2023-10-17 | 2023-10-17 | Multi-core power cable |
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| Country | Link |
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| CN (1) | CN117080797B (en) |
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| CN111313191A (en) * | 2020-02-08 | 2020-06-19 | 黄松 | Cable connecting system for testing electrical equipment of power plant |
| CN114204319A (en) * | 2021-12-10 | 2022-03-18 | 深圳利路通连接器股份有限公司 | Cable connector with branching function |
| CN218586541U (en) * | 2022-09-23 | 2023-03-07 | 深圳市天迈通信技术有限公司 | Radio frequency coaxial cable assembly |
| CN219677975U (en) * | 2023-03-03 | 2023-09-12 | 华远电力集团有限公司 | Protective fixing structure for power cable |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203193047U (en) * | 2013-02-18 | 2013-09-11 | 正凌精密工业股份有限公司 | Push-and-pull self-locking type connector |
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2023
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111313191A (en) * | 2020-02-08 | 2020-06-19 | 黄松 | Cable connecting system for testing electrical equipment of power plant |
| CN114204319A (en) * | 2021-12-10 | 2022-03-18 | 深圳利路通连接器股份有限公司 | Cable connector with branching function |
| CN218586541U (en) * | 2022-09-23 | 2023-03-07 | 深圳市天迈通信技术有限公司 | Radio frequency coaxial cable assembly |
| CN219677975U (en) * | 2023-03-03 | 2023-09-12 | 华远电力集团有限公司 | Protective fixing structure for power cable |
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