CN114243377A

CN114243377A - Power cable

Info

Publication number: CN114243377A
Application number: CN202111443018.5A
Authority: CN
Inventors: 陈刘飞
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-30
Filing date: 2021-11-30
Publication date: 2022-03-25

Abstract

The invention relates to a power cable which comprises a cable body, locking assemblies and a connecting assembly, wherein the connecting assembly is of a circular ring structure, the locking assemblies are symmetrically arranged on the outer sides of the connecting assembly through screws, the locking assemblies are connected with the connecting assembly in a sealing mode, and the interiors of the locking assemblies are connected with the end parts of the cable body. The invention can solve the problems that when the existing power cable is connected and used, the cable is usually connected manually, the connecting effect of the cable is poor, the connection is not tight, the end part of the cable is easy to fall off, the subsequent using effect of the cable is influenced, and when the existing power cable is connected and used, the sealing effect of the connecting part of the end part of the cable is poor, so that the protective layer of the cable is corroded to be damaged, meanwhile, the moist air is easy to cause the phenomenon that the interior of the cable is short-circuited, the using safety of the cable is influenced, and the like.

Description

Power cable

Technical Field

The invention relates to the field of power cables, in particular to a power cable.

Background

The power cable is used for transmitting and distributing electric energy, is commonly used for supplying power to urban underground power grids, power station leading-out lines and interior of industrial and mining enterprises, is gradually increased in proportion in the power line, and is a cable product used for transmitting and distributing high-power electric energy in a trunk line of a power system.

At present, the existing power cable generally has the following defects when in use: 1. when the existing power cable is used for connection, the cable is usually connected manually, the connecting effect of the cable is poor, the connection is not tight, and the end part of the cable is easy to fall off, so that the subsequent using effect of the cable is influenced; 2. when the existing power cable is connected and used, the sealing effect of the connection part of the end part of the cable is poor, so that the cable protection layer is corroded to be damaged, and meanwhile, the moist air easily causes the phenomenon of short circuit inside the cable to affect the use safety of the cable.

Disclosure of Invention

Technical problem to be solved

The invention can solve the problems that when the existing power cable is connected and used, the cable is usually connected manually, the connecting effect of the cable is poor, the connection is not tight, the end part of the cable is easy to fall off, the subsequent using effect of the cable is influenced, and when the existing power cable is connected and used, the sealing effect of the connecting part of the end part of the cable is poor, so that the protective layer of the cable is corroded to be damaged, meanwhile, the moist air is easy to cause the phenomenon that the interior of the cable is short-circuited, the using safety of the cable is influenced, and the like.

(II) technical scheme

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a power cable, includes cable body, locking Assembly and coupling assembling, coupling assembling be ring circular structure, locking Assembly is installed through the screw symmetry in the coupling assembling outside, locking Assembly and coupling assembling sealing connection, the inside and cable body end phase of locking Assembly is connected, adjacent electric connection between the cable body that obtains.

Coupling assembling include fixed sleeve, annular frame, rotation unit, regulating unit and linkage unit, fixed sleeve be the annular structure, fixed sleeve passes through the screw installation between two locking Assembly, fixed sleeve internally mounted has the annular frame, the annular frame is the annular structure of U type for the cross-section, annular frame internally mounted has the rotation unit, fixed sleeve upper end mid-mounting has the regulating unit, the regulating unit meshes with the rotation unit mutually, evenly be provided with the draw-in groove on the annular frame, install the linkage unit in the draw-in groove, the linkage unit outside meshes with the rotation unit mutually.

The connecting unit include connecting cylinder, connecting plate, rotating turret, rolling gear and transposition mechanism, draw-in groove internally mounted have the connecting cylinder, connecting cylinder quantity is two, the connecting plate is installed in the connecting cylinder outside, the connecting plate is connected with the ring frame through the screw, be connected with the rotating turret through sliding fit's mode between the connecting cylinder, rotating turret outside mid-mounting has rolling gear, rolling gear meshes with the rotation unit mutually, the rotating turret mid-mounting has the transposition mechanism, the transposition mechanism outside is connected with the connecting cylinder.

Transposition mechanism include rotor plate, spliced pole, rotation seat, fixing base and steel wire, the rotating turret mid-mounting have the rotor plate, the spliced pole is installed respectively to the rotor plate left and right sides, the spliced pole is the conductive metal material, evenly sets up anti-skidding line on the spliced pole, the electricity is connected between two spliced poles, evenly is provided with the rotation seat on the rotor plate lateral surface, the inside fixing base that evenly is provided with of connecting cylinder installs the steel wire between the fixing base.

As a preferred technical scheme of the invention, the locking assembly comprises a fixed frame, a connecting frame, a rotating ring, a locking frame and a locking plate, wherein the fixed frame is of an annular structure, the connecting frame is installed on the left side of the fixed frame, the cross section of the connecting frame is of a conical structure, the connecting frame is connected with the connecting assembly through screws, grooves are uniformly formed in the fixed frame, the locking frame is installed in the grooves through pin shafts, a reset spring is arranged at the joint of the locking frame and the grooves, the rotating ring is connected to the outer side of the fixed frame in a threaded fit mode, the end part of the fixed frame is provided with the locking plate through screws, and a sealing ring is arranged on the inner side surface of the locking plate.

As a preferred technical scheme of the invention, the rotating unit comprises sliding groove frames, sliding frames and a ring gear, the sliding groove frames are symmetrically arranged in the middle of the ring frames, the sliding frames are connected between the sliding groove frames in a sliding fit mode, the sliding frames are of a circular structure, the ring gear is arranged inside the sliding frames, the inner side of the ring gear is meshed with the connecting unit, and the outer side of the sliding frame is connected with the adjusting unit.

As a preferred technical scheme of the invention, the adjusting unit comprises an adjusting seat, a connecting rod, a connecting gear and a gear carrier, the middle part of the upper end of the fixed sleeve is provided with a through hole, the adjusting seat is installed inside the through hole through a sealing bearing, the upper end of the adjusting seat is provided with a hexagonal screw hole, the connecting rod is installed on the inner side of the adjusting seat, the connecting gear is installed on the inner side of the connecting rod, the connecting gear is meshed with the gear carrier, the gear carrier is in a circular structure, and the gear carrier is installed on the outer side of the rotating unit.

As a preferred technical scheme of the invention, the steel wire is arranged between the fixed seat and the rotating seat in a retractable manner, the outer side of the steel wire is coated with the insulating layer, the insulating layer is formed by weaving nylon ropes, and the nylon ropes have the advantages of high strength, good insulating property, fire resistance, wear resistance and the like.

As a preferred technical scheme of the invention, the cross section of the locking frame is of a trapezoidal structure, the inner side surface of the locking frame is made of flexible materials, the inner side surface of the locking frame is uniformly provided with anti-skidding teeth which can increase friction, and the outer side surface of the locking frame is a smooth surface which can reduce friction.

As a preferred technical scheme of the invention, the ceramic linings are uniformly arranged in the connecting cylinder, the ceramic linings are of arc structures, and the adjacent ceramic linings are connected with the inner wall of the connecting cylinder through screws.

(III) advantageous effects

1. According to the power cable provided by the invention, the locking assembly can effectively connect and lock the cable, the connection effect is good, the falling-off phenomenon of the cable is avoided, meanwhile, the locking assembly can effectively play a role in sealing, the corrosion in the cable is avoided, the phenomenon of short circuit in the cable caused by humid air is prevented, and the use safety of the cable is ensured;

2. according to the power cable provided by the invention, the connecting assembly can be used for connecting cables with different branch numbers, the connecting effect is good, the connection is tight, the phenomenon that the cable connection part falls off is avoided, and the long-time use of the cable is facilitated;

3. according to the power cable provided by the invention, the cable joint and the metal connecting column are connected by the twisting mechanism in a steel wire winding manner, so that the metal wires at the end part of the cable can be accurately wound at the upper end of the connecting column, the metal wires are good in connection effect and tight in connection, the phenomenon of disconnection of the cable is avoided, meanwhile, the insulating layer on the outer side of the steel wires plays an insulating role, when the steel wires are wound on the outer side of the metal wires, the insulating layer can play a coating role, the metal wires are prevented from being exposed outside, and the phenomenon of electric leakage is avoided.

Drawings

The invention is further illustrated with reference to the following figures and examples.

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic plan view of the present invention;

FIG. 3 is a schematic cross-sectional view of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 2 in accordance with the present invention;

FIG. 5 is a cross-sectional view of the cable body and locking assembly of the present invention;

FIG. 6 is a schematic perspective view of the connection assembly of the present invention;

FIG. 7 is a schematic cross-sectional view of a connecting assembly of the present invention;

FIG. 8 is a schematic sectional view showing the construction of the fixing sleeve, the ring frame, the rotating unit and the adjusting unit according to the present invention;

FIG. 9 is a schematic cross-sectional view of a connecting unit according to the present invention;

fig. 10 is a schematic view of the mounting arrangement between the connector of the present invention and a ceramic liner.

Detailed Description

The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.

As shown in fig. 1 to 10, a power cable comprises a cable body 1, a locking assembly 2 and a connecting assembly 3, wherein the connecting assembly 3 is of a circular ring structure, the locking assembly 2 is symmetrically installed on the outer side of the connecting assembly 3 through screws, the locking assembly 2 is connected with the connecting assembly 3 in a sealing mode, the end portion of the cable body 1 inside the locking assembly 2 is connected, and the adjacent cable body 1 is electrically connected.

The locking assembly 2 comprises a fixed frame 21, a connecting frame 22, a rotating ring 23, a locking frame 24 and a locking plate 25, the fixed frame 21 is of an annular structure, the connecting frame 22 is installed on the left side of the fixed frame 21, the cross section of the connecting frame 22 is of a conical structure, the connecting frame 22 is connected with the connecting assembly 3 through screws, grooves are evenly formed in the fixed frame 21, the locking frame 24 is installed in the grooves through pin shafts, a reset spring is arranged at the joint of the locking frame 24 and the grooves, the rotating ring 23 is connected to the outer side of the fixed frame 21 in a thread fit mode, the locking plate 25 is installed at the end of the fixed frame 21 through screws, sealing rings are arranged on the inner side face of the locking plate 25, when the cable end is inserted into the fixed frame 21 in specific work, the rotating ring 23 is manually adjusted, the rotating ring 23 moves outwards in a thread fit mode, so that the rotating ring 23 can drive the locking frame 24 to press downwards, make locking frame 24 can carry out multipoint mode's compressing tightly to the insulating layer in the cable outside, prevent that the cable from taking place the phenomenon that drops, locking plate 25 can further prevent that the cable from taking place to drop, can play sealed effect simultaneously, avoid moist air to get into inside mount 21, guarantee the long-time use of cable.

24 cross-sections of locking frame be the trapezium structure, 24 medial surfaces of locking frame are flexible material, evenly are provided with the antiskid tooth on the 24 medial surfaces of locking frame, 24 lateral surfaces of locking frame are the smooth surface, the protective layer that cable tip can be avoided to the locking frame 24 of flexible material is damaged, avoids inside humid air gets into the cable.

Coupling assembling 3 include fixed sleeve 31, annular frame 32, rotation unit 33, regulating element 34 and linkage unit 35, fixed sleeve 31 be the ring structure, fixed sleeve 31 passes through the screw installation between two locking Assembly 2, fixed sleeve 31 internally mounted has annular frame 32, annular frame 32 is the annular structure that the cross-section is the U type, annular frame 32 internally mounted has rotation unit 33, fixed sleeve 31 upper end mid-mounting has regulating element 34, regulating element 34 meshes with rotation unit 33 mutually, evenly be provided with the draw-in groove on the annular frame 32, install linkage unit 35 in the draw-in groove, the linkage unit 35 outside meshes with rotation unit 33 mutually, during specific work, select specific linkage unit 35 according to the quantity of the inside branch cable of cable, install linkage unit 35 on annular frame 32 through the screw, linkage unit 35 outside middle part can mesh with rotation unit 33 simultaneously, the manual work drives regulating unit 34 through the spanner and rotates, and regulating unit 34 drives linkage unit 35 through rotating unit 33 and rotates in step, and linkage unit 35 then can lock the cable tip and fix for can be accurate between the cable tip carry out the electricity and connect, can prevent simultaneously that the cable tip from taking place the phenomenon that drops, guarantee cable junction's accuracy.

The rotating unit 33 comprises a sliding groove frame 331, a sliding frame 332 and a ring gear 333, the sliding groove frame 331 is symmetrically installed in the middle of the ring frame 32, the sliding frame 332 is connected between the sliding groove frame 331 in a sliding fit mode, the sliding frame 332 is of a circular ring structure, the ring gear 333 is installed inside the sliding frame 332, the inner side of the ring gear 333 is meshed with the connecting unit 35, the outer side of the sliding frame 332 is connected with the adjusting unit 34, during specific work, when the adjusting unit 34 drives the sliding frame 332 to rotate, the sliding frame 332 can drive the ring gear 333 to move synchronously, and the ring gear 333 can further accurately adjust the connecting unit 35.

The adjusting unit 34 includes an adjusting seat 341, a connecting rod 342, a connecting gear 343 and a gear rack 344, a through hole is arranged in the middle of the upper end of the fixing sleeve 31, the adjusting seat 341 is installed inside the through hole through a sealing bearing, a hexagonal screw hole is arranged at the upper end of the adjusting seat 341, the connecting rod 342 is installed inside the adjusting seat 341, the connecting gear 343 is installed inside the connecting rod 342, the gear rack 344 is meshed with the connecting gear 343, the gear rack 344 is of a circular structure, the gear rack 344 is installed outside the rotating unit 33, during specific work, the adjusting seat 341 is driven to rotate manually through a wrench, the adjusting seat 341 drives the gear rack 344 to rotate through the connecting gear 343, and the gear rack 344 further can drive the rotating unit 33 to rotate synchronously.

The connecting unit 35 comprises connecting cylinders 351, two connecting plates 352, rotating frames 353, rotating gears 354 and twisting mechanisms 355, the connecting cylinders 351 are installed inside the clamping grooves, the number of the connecting cylinders 351 is two, the connecting plates 352 are installed on the outer sides of the connecting cylinders 351, the connecting plates 352 are connected with the annular frame 32 through screws, the rotating frames 353 are connected among the connecting cylinders 351 in a sliding fit mode, the rotating gears 354 are installed in the middle of the outer sides of the rotating frames 353, the rotating gears 354 are meshed with the rotating unit 33, the twisting mechanisms 355 are installed in the middle of the rotating frames 353, the outer sides of the twisting mechanisms 355 are connected with the connecting cylinders 351, in the concrete work, the connecting plates 352 are installed inside the clamping grooves through screws, then the insulating layers of the ends of cables are removed and then installed inside the connecting cylinders 351, when the adjusting unit 34 drives the rotating gears 354 to rotate, the rotating gears 354 drive the twisting mechanisms 355 to synchronously rotate through the rotating frames 353, the metal wires at the end part of the cable can be accurately wound at the upper end of the twisting mechanism 355, the metal wires are good in connection effect and tight in connection, and the phenomenon that the cable is broken is avoided.

Inside evenly being provided with ceramic lining of connecting cylinder 351, ceramic lining is the arc structure, is connected with connecting cylinder 351 inner wall through the screw between the adjacent ceramic lining, ceramic lining plays further insulating effect, prevents that the phenomenon of cable emergence electric leakage.

The twisting mechanism 355 comprises a rotating plate 3551, connecting posts 3552, a rotating seat 3553, a fixed seat 3554 and a steel wire 3555, wherein the rotating plate 3551 is arranged in the middle of the rotating frame 353, the connecting posts 3552 are respectively arranged on the left side and the right side of the rotating plate 3551, the connecting posts 3552 are made of conductive metal, anti-slip patterns are uniformly arranged on the connecting posts 3552, the two connecting posts 3552 are electrically connected, the rotating seat 3553 is uniformly arranged on the outer side surface of the rotating plate 3551, the fixed seat 3554 is uniformly arranged in the connecting cylinder 351, the steel wire 3555 is arranged between the fixed seats 3554, when the twisting mechanism works in detail, when a metal wire at the end of a cable is inserted into the connecting cylinder 351, the connecting posts 3552 are positioned in the middle of the metal wire, then the rotating plate 3551 rotates synchronously with the rotating frame 353, the rotating frame 353 drives the steel wire 3555 to wind and rotate, so that the steel wire 3555 can be bundled on the connecting posts 3552, the bundling effect is good, the connection is simple and convenient, and the connection between the metal wire and the connecting posts 3552 is tight, the falling-off phenomenon can not occur.

Wire 3555 collapsible installation between fixing base 3554 and rotation seat 3553, the cladding in the wire 3555 outside has the insulating layer, the insulating layer is formed for nylon cord knitting, when rotor plate 3551 drives wire 3555 one end and rotates, the winding that wire 3555 can be even is in the spliced pole 3552 outside, make being connected with spliced pole 3552 that the wire can be accurate, the insulating layer plays insulating effect, when wire 3555 twines in the wire outside, the insulating layer can play the effect of cladding, prevent that the wire from exposing outside, avoid taking place the phenomenon of electric leakage.

The working steps of the invention during use are as follows:

firstly, fixing the end of a cable: the end part of the cable body is inserted into the fixing frame 21, the rotating ring 23 is manually adjusted, the rotating ring 23 moves outwards in a thread matching mode, so that the rotating ring 23 can drive the locking frame 24 to press downwards, the locking frame 24 can press an insulating layer on the outer side of the cable in a multi-point mode, the cable is prevented from falling off, the locking plate 25 can further prevent the cable from falling off, a sealing effect can be achieved, moist air is prevented from entering the fixing frame 21, and long-time use of the cable is guaranteed;

II, electric connection of the cable metal wires:

s1: selecting a specific connection unit 35 according to the number of branch cables inside the cable, and mounting the connection unit 35 on the annular frame 32 by screws;

s2: the adjusting unit 34 is driven to rotate manually through a wrench, and the adjusting unit 34 drives the connecting unit 35 to rotate synchronously through the rotating unit 33;

s4: when the connecting unit 35 rotates, the rotating frame 353 in the connecting unit 35 drives the steel wire 3555 to wind and rotate, so that the steel wire 3555 can bind the metal wire on the connecting column 3552, the binding effect is good, the connection is simple and convenient, and meanwhile, the metal wire is tightly connected with the connecting column 3552, and the phenomenon of falling cannot occur.

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

1. A power cable, includes cable body (1), locking Assembly (2) and coupling assembling (3), its characterized in that: coupling assembling (3) be the ring circular structure, locking Assembly (2) are installed through the screw symmetry in coupling assembling (3) outside, locking Assembly (2) and coupling assembling (3) sealing connection, locking Assembly (2) inside is connected with cable body (1) tip, adjacent electric connection between obtaining cable body (1), wherein:

the connecting assembly (3) comprises a fixing sleeve (31), an annular frame (32), a rotating unit (33), an adjusting unit (34) and a connecting unit (35), the fixing sleeve (31) is of an annular structure, the fixing sleeve (31) is installed between the two locking assemblies (2) through screws, the annular frame (32) is installed inside the fixing sleeve (31), the annular frame (32) is of an annular structure with a U-shaped section, the rotating unit (33) is installed inside the annular frame (32), the adjusting unit (34) is installed in the middle of the upper end of the fixing sleeve (31), the adjusting unit (34) is meshed with the rotating unit (33), clamping grooves are evenly formed in the annular frame (32), the connecting unit (35) is installed in the clamping grooves, and the outer side of the connecting unit (35) is meshed with the rotating unit (33);

the connecting unit (35) comprises connecting cylinders (351), connecting plates (352), rotating frames (353), rotating gears (354) and twisting mechanisms (355), the connecting cylinders (351) are installed inside the clamping grooves, the number of the connecting cylinders (351) is two, the connecting plates (352) are installed on the outer sides of the connecting cylinders (351), the connecting plates (352) are connected with the annular frame (32) through screws, the rotating frames (353) are connected among the connecting cylinders (351) in a sliding fit mode, the rotating gears (354) are installed in the middle of the outer sides of the rotating frames (353), the rotating gears (354) are meshed with the rotating units (33), the twisting mechanisms (355) are installed in the middle of the rotating frames (353), and the outer sides of the twisting mechanisms (355) are connected with the connecting cylinders (351);

stranding mechanism (355) include rotor plate (3551), spliced pole (3552), rotate seat (3553), fixing base (3554) and steel wire (3555), rotor plate (353) mid-mounting have rotor plate (3551), spliced pole (3552) are installed respectively to the rotor plate (3551) left and right sides, spliced pole (3552) are electrically conductive metal material, electricity is connected between two spliced poles (3552), evenly be provided with on rotor plate (3551) lateral surface and rotate seat (3553), connecting cylinder (351) inside evenly is provided with fixing base (3554), install steel wire (3555) between fixing base (3554).

2. A power cable according to claim 1, characterized in that: locking Assembly (2) including mount (21), link (22), swivel ring (23), locking frame (24) and locking plate (25), mount (21) be the loop configuration, link (22) are installed in mount (21) left side, link (22) cross-section is the toper structure, link (22) are connected with coupling assembling (3) through the screw, evenly be provided with the recess on mount (21), install locking frame (24) through the round pin axle in the recess, locking frame (24) are provided with reset spring with groove connection department, the mount (21) outside is connected with swivel ring (23) through screw-thread fit's mode, mount (21) tip has locking plate (25) through the mounting screw, be provided with the sealing washer on locking plate (25) medial surface.

3. A power cable according to claim 1, characterized in that: rotation unit (33) include spout frame (331), carriage (332) and ring gear (333), ring frame (32) middle part symmetry install spout frame (331), be connected with carriage (332) through sliding fit's mode between spout frame (331), carriage (332) are the ring structure, carriage (332) internally mounted has ring gear (333), ring gear (333) inboard meshes mutually with linkage unit (35), the carriage (332) outside is connected with regulating unit (34).

4. A power cable according to claim 1, characterized in that: adjusting element (34) including adjusting seat (341), connecting rod (342), connecting gear (343) and carrier (344), fixed sleeve (31) upper end middle part be provided with the through-hole, adjusting seat (341) are installed through sealed bearing to the through-hole inside, adjusting seat (341) upper end is provided with the hexagonal screw, adjusting seat (341) inboard and installing connecting rod (342), connecting gear (343) are installed to connecting rod (342) inboard, connecting gear (343) meshing has carrier (344), carrier (344) are the ring shape structure, carrier (344) are installed in the rotation unit (33) outside.

5. A power cable according to claim 1, characterized in that: the steel wire (3555) can be arranged between the fixed seat (3554) and the rotating seat (3553) in a retractable mode, the outer side of the steel wire (3555) is coated with an insulating layer, and the insulating layer is formed by weaving nylon ropes.

6. A power cable according to claim 2, characterized in that: the cross section of the locking frame (24) is of a trapezoidal structure, anti-skidding teeth are uniformly arranged on the inner side surface of the locking frame (24), and the outer side surface of the locking frame (24) is a smooth surface.

7. A power cable according to claim 1, characterized in that: the inside ceramic inside lining that evenly is provided with of connecting cylinder (351), ceramic inside lining is the arc structure, is connected through screw and connecting cylinder (351) inner wall between the adjacent ceramic inside lining.