CN116315871B - Line connector for power transmission engineering and use method thereof - Google Patents
Line connector for power transmission engineering and use method thereof Download PDFInfo
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- CN116315871B CN116315871B CN202310537940.3A CN202310537940A CN116315871B CN 116315871 B CN116315871 B CN 116315871B CN 202310537940 A CN202310537940 A CN 202310537940A CN 116315871 B CN116315871 B CN 116315871B
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 24
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 67
- 210000001503 joint Anatomy 0.000 claims abstract description 19
- 238000009434 installation Methods 0.000 claims description 30
- 238000003860 storage Methods 0.000 claims description 16
- 230000008569 process Effects 0.000 claims description 7
- 230000006978 adaptation Effects 0.000 claims 1
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000001125 extrusion Methods 0.000 description 10
- 238000013459 approach Methods 0.000 description 8
- 239000004020 conductor Substances 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009466 transformation Effects 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
- H01R13/62—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
- 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
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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
- H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Abstract
The invention relates to the technical field of circuit connection, in particular to a circuit connector for electric power transmission engineering and a use method thereof. Through being provided with second sinle silk fixed establishment and sinle silk positioning mechanism, the position to the sinle silk is preliminary spacing after the sinle silk stretches into for its central point department that is close to the locating hole rotates through central carousel and connection carousel, and the surface plane screw thread can make threaded connection's connection carousel be close to a section distance towards the central point department of locating hole, further fixes a position to the sinle silk through the fixed plate, makes it be close to the center of locating hole, is favorable to subsequent butt joint.
Description
Technical Field
The invention relates to the technical field of line connection, in particular to a line connector for power transmission engineering and a use method thereof.
Background
The power transmission project refers to the project related to the production, transmission and distribution of electric energy, meanwhile, the power transmission and transformation project can be understood, and the transportation of electric power is mainly transmitted through a high-voltage cable;
the prior art discloses a part of invention patents related to the technical field of circuit connection protection devices, and Chinese patent with publication number of CN115882274A discloses a circuit connector, which comprises: the device comprises a frame body, a bidirectional driving extrusion mechanism and a wire clamping mechanism, wherein the frame body comprises two external thread barrels and a transverse expansion bracket for enabling the two external thread barrels to move oppositely or reversely, two sides of the transverse expansion bracket are respectively sleeved and fixed at the outer side ends of the two external thread barrels, the wire clamping mechanism is arranged at the outer side ends of the two external thread barrels, the wire clamping mechanism comprises a plurality of rotating clamping parts capable of rotating along the radial direction of the external thread barrels, the bidirectional driving extrusion mechanism comprises an extrusion assembly and two internal thread barrels arranged on the extrusion assembly, and the two internal thread barrels are respectively in threaded connection with the two external thread barrels and are used for driving the transverse expansion bracket to stretch through threaded fit; the two ends of the extrusion component extend into the two external thread barrels respectively and are used for forcing the rotary clamping part to shrink inwards in an extrusion mode to realize clamping and fixing of the cable, and the invention can effectively prevent the loose of the wiring terminal, thereby improving the safety and stability of power supply;
the cable that electric power transmission engineering used is inside to have multiunit sinle silk, needs to align the sinle silk in two cables that need connect as far as possible when connecting to guarantee the security of circuit connection, because electric power transmission engineering's specificity moreover, circuit connection operation often goes on in the high altitude, can influence staff's precision, and above-mentioned technical scheme can realize the centre gripping of cable fixed, but in high altitude environment, the staff is difficult for carrying out the butt joint operation to thicker cable.
Disclosure of Invention
The invention aims to solve the defect that a wire core is difficult to align in the prior art, and provides a line connector for power transmission engineering and a use method thereof.
In order to achieve the above purpose, the invention adopts the following technical scheme: the utility model provides a line connector for electric power transmission engineering, includes the line connecting seat, the outside surface fixedly connected with fixed housing of line connecting seat, the front and back surface of fixed housing is provided with two butt joint fixed establishment that are used for fixed cable through rotating the connected mode symmetry, just the inside front and back symmetry of line connecting seat has offered the connection trepanning of connecting the sinle silk, the inside of line connecting seat is located the outside of connecting trepanning and is provided with two first line core fixed establishment that are used for fixed sinle silk, the both ends of line connecting seat all are provided with the positioning mechanism that is used for fixing the sinle silk;
the positioning mechanism comprises an outer mounting sleeve, a mounting sliding groove is formed in the inner side surface of the outer mounting sleeve, a sliding block is connected to the inner side of the mounting sliding groove in a sliding mode, a positioning disc is fixedly connected to the inner side of the sliding block, a clamping mechanism for auxiliary clamping cables is fixedly mounted at the edge position, close to an outlet, of the inner side surface of the outer mounting sleeve, positioning holes corresponding to the number of the positions of the connecting sleeve holes are formed in the surface of the positioning disc, wire core positioning mechanisms with the same number as the positioning holes are arranged on the surface, close to one side of the circuit connecting seat, of the positioning disc, and wire core positioning mechanisms are arranged at the edge of the positioning disc.
Preferably, the clamping mechanism comprises a fixed ring, the fixed ring is fixedly installed at the edge position of the inner side surface of the outer installation sleeve, which is close to the outlet, five elastic telescopic rods are installed on the inner side surface of the fixed ring in a circumferential array in a fixed connection mode, one end of each elastic telescopic rod, which is far away from the fixed ring, is fixedly connected with a clamping rod, one side surface of each clamping rod, which is close to the outlet of the outer installation sleeve, is fixedly connected with an inclined plate, and one side surface of each clamping rod, which is far away from each elastic telescopic rod, is embedded with a toothed plate.
Preferably, the connecting grooves are formed in positions, corresponding to the positioning holes, of the circuit connecting seats, the conductive seats are fixedly connected to the inner walls of the connecting grooves, the conductive grooves are formed in the conductive seats, conductive columns are connected to the conductive grooves in a sliding mode, the conductive columns are in contact conduction with the conductive grooves, supporting springs are fixedly connected between the conductive columns and the inner walls of the conductive grooves, and the ends of the conductive columns extend to the inner portions of the positioning holes.
Preferably, the butt joint fixing mechanism comprises an external thread sleeve and four guide posts, the external thread sleeve is installed on the outer side surface of the fixing housing in a rotating connection mode, the inner side surface of the external thread sleeve is connected with the outer side surface of the outer mounting sleeve in a threaded mode, the four guide posts are installed on one side surface of the fixing housing, which is close to the outer mounting sleeve, of the fixing housing in a circumferential array mode in a fixed connection mode, guide grooves corresponding to the positions of the guide posts are formed in the inner portion of the outer mounting sleeve, and the front ends of the guide posts are slidably connected in the guide grooves.
Preferably, the second wire core fixing mechanism comprises a trigger rod, a storage groove and four elastic telescopic rods, the four elastic telescopic rods are circumferentially arranged on the inner side of the positioning hole in a fixed connection mode, the tail ends of the four elastic telescopic rods are fixedly connected with a fixing plate, the trigger rod is arranged on one side surface of the fixing housing, which is close to the outer mounting sleeve, of the fixing housing in a fixed connection mode, the storage groove is formed in the outer mounting sleeve, the installation positions of the trigger rod and the storage groove are corresponding, and the trigger rod is slidably connected in the storage groove;
the wire core positioning mechanism comprises an inner gear ring which is rotationally connected to one side of the positioning disk, which is close to the circuit connecting seat, and a torsion spring for resetting is arranged at the rotational connection part of the inner gear ring and the positioning disk;
the outer side surface of the inner gear ring is provided with a spiral groove, the inner side surface of the trigger rod is fixedly provided with a spherical lug, and an opening of the spiral groove, which is close to one side of the trigger rod, and the spherical lug are positioned on the same horizontal line;
the inner side surface of the inner gear ring is provided with a linkage gear in a meshing connection mode, the linkage gear is rotationally connected to the surface of the positioning disk, one side surface of the positioning disk, which is close to the fixed housing, is provided with connecting turntables, which are the same as the number of the positioning holes positioned on the outer side, in a circumferential array mode, the connecting turntables are rotationally connected with the positioning disk, the linkage gear is in meshing connection with the connecting turntables, which are close to one side above, the connecting turntables are concentric with the positioning holes positioned on the outer side, the inner side surfaces of the connecting turntables are all in meshing connection with a central turntable, the central turntable is installed on one side surface of the positioning disk, which is close to the fixed housing, in a rotation connection mode, and the central turntable is concentric with the positioning holes positioned at the central position;
all the fixed plates are close to one side surface of the fixed housing and are provided with thread grooves, the surfaces of the central turntable and one side of the connecting turntable, which are close to the positioning disk, are provided with plane threads, the fixed plates positioned inside the positioning holes on the outer side are in threaded connection with the plane threads on the surface of the connecting turntable through the thread grooves, and the fixed plates positioned inside the positioning holes at the central position are in threaded fit with the plane threads on the surface of the central turntable through the thread grooves.
Preferably, the first wire core fixing mechanism comprises a first mounting groove, the first mounting groove is formed in the inner part of the connecting sleeve hole, the first mounting groove is distributed on the inner side wall of each connecting sleeve hole in a circumferential array mode, a second mounting groove is formed in the position, away from the external thread sleeve, of the inner part of the circuit connecting seat, a trigger plate is slidably connected in the second mounting groove, a yielding hole corresponding to the position of the connecting sleeve hole is formed in the inner part of the trigger plate, a first reset spring is fixedly connected to the surface of one side, away from the external thread sleeve, of the trigger plate, one end, away from the trigger plate, of the first reset spring is fixedly connected with the inner wall of the second mounting groove, and a third mounting groove communicated with the connecting sleeve hole is formed in the position, close to the connecting sleeve hole, of the inner part of the circuit connecting seat;
the inside sliding connection of the third mounting groove has a connection guide rod, the upper end of the connection guide rod is fixedly connected with the trigger plate, the inside of each connection sleeve hole is fixedly connected with a sliding base, the sliding base is fixedly connected with the connection guide rod, one side surface of the sliding base, which is close to the external thread sleeve, is fixedly connected with a second reset spring, one side surface of the second reset spring, which is far away from the sliding base, is fixedly connected with a trigger block, the inside of the first mounting groove is fixedly connected with a secondary clamping rod, and a movable connecting rod is rotationally connected between the secondary clamping rod and the trigger block;
the sliding base, the second reset spring and the trigger block are all sleeved on the surface of the conductive column at the corresponding positions in a sliding manner.
Preferably, the trigger plate is in a disc shape, and the diameter of the trigger plate is larger than the diameter of the circumferential array tracks of the five clamping rods;
the secondary clamping rod is slidably connected with the inner wall of the first mounting groove through a key groove.
Preferably, the secondary clamping rod is in sliding connection with the inner wall of the first mounting groove through a key groove, and teeth are embedded and mounted on the inner side surface of the secondary clamping rod;
it should be noted that, because the effect of keyway, can not carry out horizontal slip at the inner wall of first mounting groove to secondary clamping rod, the tooth can increase the frictional force when secondary clamping rod and sinle silk contact.
Preferably, the connecting sleeve holes in the adjacent line connecting seats are connected through conductors;
it should be noted that, the wire core after stretching into the connection sleeve hole is all attached with the conductor, so that two groups of cables are connected and electrically conducted.
The invention also provides a use method of the line connector for the power transmission project, which comprises the following steps:
s1: firstly, a wire core of a first cable stretches into a positioning mechanism, then the first cable to be connected stretches into the outer mounting sleeve, the first cable is preliminarily fixed by a clamping mechanism, and the wire core of the first cable is preliminarily limited by a second wire core fixing mechanism;
s2: then the outer mounting sleeve is driven to move towards the outer thread sleeve through the butt joint fixing mechanism, the wire core positioning mechanism corrects the wire core towards the middle position in the process, and finally the wire core of the first cable stretches into the connecting sleeve hole;
s3: and finally, fixing the wire core extending into the connecting sleeve hole through a first wire core fixing mechanism to finish the connection of the first cable on one side, and then, connecting the second cable on the other side in the same way to finish the connection of the first cable and the second cable.
Compared with the prior art, the invention has the following beneficial effects:
according to the invention, the second wire core fixing mechanism and the wire core positioning mechanism are arranged, the wire core is initially limited after extending into the wire core, so that the wire core is close to the center of the positioning hole, before butt joint, the center turntable and the connecting turntable rotate, the surface plane threads enable the connecting turntable in threaded connection to be close to a distance towards the center of the positioning hole, and the wire core is further positioned through the fixing plate, so that the wire core is close to the center of the positioning hole, and subsequent butt joint is facilitated.
According to the invention, the first wire core fixing mechanism is arranged, when the wire core stretches into the connecting sleeve hole, the clamping rod can extrude the trigger plate, then extrude the first reset spring, the trigger plate is attached to the inner wall at the other side of the second mounting groove, the first reset spring is extruded at the moment, the second reset spring pops out, the sliding base moves along with the trigger plate, in the state, after the wire core enters the connecting sleeve hole, the tail end of the wire core can extrude and push the trigger block to slide towards the position close to the sliding base, the trigger block tends to be parallel from an inclined state by pulling the connecting guide rod, the secondary clamping rod can approach to the wire core, the tail end of the wire core is positioned, and the possibility that the wire core and a conductor deviate due to vibration in use is reduced.
Drawings
FIG. 1 is a flow chart of a method of use of the present invention;
FIG. 2 is a schematic perspective view of the present invention;
FIG. 3 is a schematic view of the structure of the present invention taken along the end face of the puck;
FIG. 4 is a schematic view of the structure of the present invention taken along the midline;
FIG. 5 is a schematic view of a partially enlarged structure of FIG. 4a according to the present invention;
FIG. 6 is a schematic view of a partially enlarged structure of the embodiment b of FIG. 4;
FIG. 7 is a schematic view of a partially enlarged structure of the c in FIG. 6 according to the present invention;
fig. 8 is a schematic view of the structure of the present invention taken along the ring gear;
FIG. 9 is a schematic view of the structure of the removed puck of FIG. 2 according to the present invention;
FIG. 10 is a schematic view of a partial structure of the invention with the puck removed;
fig. 11 is a cross-sectional view showing the internal structure of the coupling sleeve hole of the present invention.
In the figure: 1. a fixed housing; 2. a circuit connecting seat; 201. a connecting sleeve hole; 202. a connecting groove; 203. a conductive base; 204. a conductive groove; 205. a conductive post; 206. a support spring; 3. an outer mounting sleeve; 301. installing a chute; 302. a sliding block; 303. a positioning plate; 304. positioning holes; 305. an elastic telescopic rod; 306. a fixing plate; 4. an external thread sleeve; 401. a guide post; 402. a guide groove; 5. a fixing ring; 501. a clamping rod; 501-1, threaded holes; 501-2, fastening bolts; 502. an inclined plate; 503. an elastic telescopic rod; 504. tooth plate; 6. a trigger lever; 601. a storage groove; 602. an inner gear ring; 603. a spherical bump; 604. a spiral groove; 605. a linkage gear; 606. the connecting turntable; 607. a central turntable; 608. a planar thread; 609. a thread groove; 7. a first mounting groove; 701. a second mounting groove; 702. a trigger plate; 703. a first return spring; 704. a relief hole; 705. a sliding base; 706. a third mounting groove; 707. a second return spring; 708. connecting a guide rod; 8. a secondary clamping rod; 801. a movable connecting rod; 802. a trigger block; A. a first cable; B. and a second cable.
Detailed Description
The following description is presented to enable one of ordinary skill in the art to make and use the invention. The preferred embodiments in the following description are by way of example only and other obvious variations will occur to those skilled in the art.
The circuit connector for electric power transmission engineering as shown in fig. 2 to 11 comprises a circuit connecting seat 2, wherein a fixed housing 1 is fixedly connected to the outer side surface of the circuit connecting seat 2, two butting and fixing mechanisms for fixing cables are symmetrically arranged on the front and rear surfaces of the fixed housing 1 in a rotating connection mode, connecting sleeve holes 201 for connecting wire cores are symmetrically arranged in the circuit connecting seat 2 in a front-rear mode, two first wire core fixing mechanisms for fixing the wire cores are arranged in the circuit connecting seat 2 outside the connecting sleeve holes 201, and positioning mechanisms for positioning the wire cores are arranged at two ends of the circuit connecting seat 2;
the positioning mechanism comprises an outer mounting sleeve 3, a mounting sliding groove 301 is formed in the inner side surface of the outer mounting sleeve 3, a sliding block 302 is connected to the inner side of the mounting sliding groove 301 in a sliding mode, a positioning disc 303 is fixedly connected to the inner side of the sliding block 302, a clamping mechanism for auxiliary clamping cables is fixedly mounted at the edge position, close to an outlet, of the inner side surface of the outer mounting sleeve 3, positioning holes 304 corresponding to the positions of the connecting sleeve holes 201 are formed in the surface of the positioning disc 303, wire core positioning mechanisms with the same number as the positioning holes 304 are arranged on the surface, close to the circuit connecting seat 2, of the positioning disc 303, and wire core positioning mechanisms are arranged at the edge of the positioning disc 303.
The specific working mode is as follows, firstly, stretch the wire core of the first cable A into the positioning mechanism, then stretch the first cable A to be connected into the inside of the outer installation sleeve 3, the first cable A is primarily fixed by the clamping mechanism, the outer installation sleeve 3 is driven to move towards the outer thread sleeve 4 by the butt joint fixing mechanism, in the process, the wire core positioning mechanism corrects the wire core towards the middle position, finally stretch the wire core of the first cable A into the connecting sleeve hole 201, finally fix the wire core stretching into the connecting sleeve hole 201 by the first wire core fixing mechanism, and then connect the second cable B at the other side in the same way, and the connection of the first cable A and the second cable B is completed.
As a further embodiment of the present invention, as shown in fig. 4 and 5: the clamping mechanism comprises a fixed ring 5, the fixed ring 5 is fixedly arranged at the edge position of the inner side surface of the outer mounting sleeve 3, which is close to the outlet, five elastic telescopic rods 503 are circumferentially arranged on the inner side surface of the fixed ring 5 in an array manner in a fixed connection manner, one end of each elastic telescopic rod 503, which is far away from the fixed ring 5, is fixedly connected with a clamping rod 501, one side surface of each clamping rod 501, which is close to the outlet of the outer mounting sleeve 3, is fixedly connected with an inclined plate 502, and one side surface of each clamping rod 501, which is far away from each elastic telescopic rod 503, is embedded with a tooth plate 504;
during operation, in the prior art, in order to enable the cable to better extend into the connector, the diameter of a port into which the cable extends is larger than that of the cable, but in high air, the heavier cable is easy to separate after extending into the port, the cable is also close to the lower end of the port due to gravity, and the cable is not coaxial with the port, so that subsequent butt joint is not easy;
the cable with the outer insulation layer stripped is stretched into the inner side of the outer installation sleeve 3 in the specific working mode, in use, the outer surface insulation layer of the cable is contacted with the inclined plate 502, the inclined plate 502 is guided to press the outer elastic telescopic rod 503 when the cable continues to stretch in, at the moment, the outer surface of the cable is attached to the clamping rod 501, the cable is close to the central position of the outer installation sleeve 3 by the thrust of the elastic telescopic rod 503, the subsequent butt joint operation is facilitated, meanwhile, the clamping rod 501 is contacted with the outer surface of the cable by the tooth plate 504, teeth of the tooth plate 504 incline towards the inner side of the outer installation sleeve 3, and resistance is given when the cable is withdrawn, so that the cable can be prevented from being separated from the outer installation sleeve 3;
it should be noted that, a through threaded hole 501-1 may be formed at a position corresponding to the inclined plate 502 at the outer side of the outer mounting sleeve 3, a fastening bolt 501-2 is screwed in the threaded hole 501-1, and an end surface of the fastening bolt 501-2 is in close contact with a surface of the inclined plate 502, so as to squeeze the inclined plate 502, so that the inclined plate 502 may clamp and fix the first cable a or the second cable B.
As a further embodiment of the present invention, the connection slots 202 are formed in the circuit connection base 2 at positions corresponding to the positioning holes 304, the conductive base 203 is fixedly connected to the inner wall of the connection slot 202, the conductive slot 204 is formed in the conductive base 203, the conductive column 205 is slidingly connected to the conductive slot 204, the conductive column 205 is in contact with the conductive slot 204 for conduction, the supporting springs 206 are fixedly connected between the conductive column 205 and the inner wall of the conductive slot 204, and the ends of the conductive column 205 extend to the inside of the positioning holes 304.
As a further embodiment of the present invention, as shown in fig. 4 and 5; the butt joint fixing mechanism comprises an external thread sleeve 4 and four guide posts 401, wherein the external thread sleeve 4 is arranged on the outer side surface of the fixed housing 1 in a rotating connection mode, the inner side surface of the external thread sleeve 4 is in threaded connection with the outer side surface of the outer installation sleeve 3, the four guide posts 401 are circumferentially arranged on the side surface of the fixed housing 1, which is close to the outer installation sleeve 3, in a fixed connection mode, the inner part of the outer installation sleeve 3 is provided with guide grooves 402 corresponding to the positions of the guide posts 401, and the front ends of the guide posts 401 are in sliding connection with the inner parts of the guide grooves 402;
the specific working mode is as follows, when in butt joint, through rotating the external thread sleeve 4, the external installation sleeve 3 in threaded connection with the external thread sleeve moves towards one side close to the line connection seat 2, so that a cable inside the external installation sleeve 3 is close to the line connection seat 2, a wire core inside the cable stretches into the connection sleeve hole 201, and when the external installation sleeve 3 is separated from the external thread sleeve 4, the guide post 401 is positioned at the tail end of the guide groove 402, so that the external installation sleeve 3 is attached to the external thread sleeve 4.
As a further embodiment of the present invention, as shown in fig. 4, 5, 8 and 9: the second wire core fixing mechanism comprises a trigger rod 6, a storage groove 601 and four elastic telescopic rods 305, the four elastic telescopic rods 305 are circumferentially arranged on the inner side of a positioning hole 304 in a fixed connection mode, the tail ends of the four elastic telescopic rods 305 are fixedly connected with a fixing plate 306, the trigger rod 6 is arranged on one side surface of a fixed housing 1, which is close to an outer installation sleeve 3, in a fixed connection mode, the storage groove 601 is formed in the outer installation sleeve 3, the installation positions of the trigger rod 6 and the storage groove 601 are corresponding, and the trigger rod 6 is slidably connected in the storage groove 601;
the wire core positioning mechanism comprises an inner gear ring 602, wherein the inner gear ring 602 is rotationally connected to one side of the positioning disk 303, which is close to the circuit connecting seat 2, and a torsion spring for resetting is arranged at the rotationally connected part of the inner gear ring 602 and the positioning disk 303;
the outer side surface of the inner gear ring 602 is provided with a spiral groove 604, the inner side surface of the trigger rod 6 is fixedly provided with a spherical convex block 603, and an opening of the spiral groove 604, which is close to one side of the trigger rod 6, and the spherical convex block 603 are positioned on the same horizontal line;
the inner side surface of the inner gear ring 602 is provided with a linkage gear 605 in a meshing connection mode, the linkage gear 605 is rotationally connected to the surface of the positioning disk 303, one side surface of the positioning disk 303, which is close to the fixed housing 1, is provided with a plurality of connecting turntables 606 which are the same as the number of the positioning holes 304 positioned on the outer side in a circumferential array mode, the connecting turntables 606 are rotationally connected with the positioning disk 303, the linkage gear 605 is in meshing connection with the connecting turntables 606 positioned on the upper side, the connecting turntables 606 are concentric with the positioning holes 304 positioned on the outer side, the inner side surfaces of the connecting turntables 606 are all in meshing connection with a central turntable 607, the central turntable 607 is arranged on one side surface of the positioning disk 303, which is close to the fixed housing 1, in a rotation connection mode, and the central turntable 607 is concentric with the positioning hole 304 positioned at the central position;
screw grooves 609 are formed in the surfaces of one sides, close to the fixed housing 1, of all the fixing plates 306, planar threads 608 are formed in the surfaces of one sides, close to the positioning disc 303, of the central turntable 607 and the connecting turntable 606, the fixing plates 306 in the positioning holes 304 on the outer sides are connected with the planar threads 608 on the surfaces of the connecting turntable 606 through the screw grooves 609 in a threaded manner, and the fixing plates 306 in the positioning holes 304 in the central positions are matched with the planar threads 608 on the surfaces of the central turntable 607 through the screw grooves 609;
in operation, the second wire core fixing mechanism can only make the wire core approach to the center of the positioning hole 304 after the wire core is inserted, and the alignment of the wire core is accurate, so that the wire core and the connecting sleeve hole 201 are required to be not offset as much as possible.
The technical solution can solve the above problems, and the specific working manner is that when the trigger rod 6 continues to slide to the end of the storage groove 601, the inner gear ring 602 will rotate 45 ° downwards due to the linked trend in the process that the ball protruding block 603 moves along the spiral groove 604, when the inner gear ring 602 rotates, the linked gear 605 meshed with the inner side rotates, then the connection turntable 606 meshed with the linked gear 605 rotates, the central turntable 607 on the inner side of the connection turntable 606 will rotate along the opposite direction, and finally the central turntable 607 will drive the rest connection turntable 606 to rotate;
when the central turntable 607 and the connection turntable 606 rotate, the surface plane threads 608 enable the fixing plate 306 in threaded connection to approach a distance toward the center of the positioning hole 304, and the fixing plate 306 is used for further positioning the core, so that the core approaches the center of the positioning hole 304, which is beneficial to subsequent butt joint.
As a further embodiment of the present invention, as shown in fig. 4, 6 and 7: the first wire core fixing mechanism comprises first mounting grooves 7, the first mounting grooves 7 are formed in the connecting sleeve holes 201, the first mounting grooves 7 are distributed on the inner side wall of each connecting sleeve hole 201 in a circumferential array mode, second mounting grooves 701 are formed in the positions, away from the external thread sleeves 4, of the inner parts of the circuit connecting seats 2, trigger plates 702 are connected in a sliding mode, abdication holes 704 corresponding to the positions of the connecting sleeve holes 201 are formed in the inner parts of the trigger plates 702, first reset springs 703 are fixedly connected to the surface of one side, away from the external thread sleeves 4, of the trigger plates 702, one ends, away from the trigger plates 702, of the first reset springs 703 are fixedly connected with the inner walls of the second mounting grooves 701, and third mounting grooves 706 communicated with the connecting sleeve holes 201 are formed in the positions, close to the connecting sleeve holes 201, of the inner parts of the circuit connecting seats 2;
the inside of the third mounting groove 706 is slidably connected with a connecting guide rod 708, the upper end of the connecting guide rod 708 is fixedly connected with the trigger plate 702, the inside of each connecting sleeve hole 201 is slidably connected with a sliding base 705, the sliding base 705 is fixedly connected with the connecting guide rod 708, one side surface of the sliding base 705, which is close to the external thread sleeve 4, is fixedly connected with a second reset spring 707, one side surface of the second reset spring 707, which is far away from the sliding base 705, is fixedly connected with a trigger block 802, the inside of the first mounting groove 7 is slidably connected with a secondary clamping rod 8, and a movable connecting rod 801 is rotatably connected between the secondary clamping rod 8 and the trigger block 802;
the sliding base 705, the second return spring 707 and the trigger block 802 are all sleeved on the surface of the conductive column 205 in the corresponding position in a sliding way;
during operation, in the prior art, after the wire core extends into the connection sleeve hole 201, the wire core may be separated from the conductor due to subsequent vibration, so as to affect the stability of connection;
the technical solution can solve the above problems, and the specific working manner is as follows, in the initial state, as shown in fig. 7, the trigger plate 702 is attached towards one end close to the outlet under the action of the first reset spring 703, the connection guide rod 708 maintains the position of the sliding base 705 under the support of the trigger plate 702, the sliding base 705 indirectly supports the connection guide rod 708 integrally through the trigger plate 702 and the second reset spring 707, and the connection guide rod 708 supports the secondary clamping rod 8 to be located in the first installation groove 7;
when the wire core stretches into the connecting sleeve hole 201, the wire core can be in contact with the conductive column 205 in advance, in the process of continuous deep connection, the conductive column 205 compresses the supporting spring 206 under the pushing of the wire core, the clamping rod 501 can extrude the trigger plate 702, then extrude the first reset spring 703, the trigger plate 702 is attached to the inner wall at the other side of the second mounting groove 701, at the moment, the extrusion of the first reset spring 703 is lost, the second reset spring 707 pops up, the sliding base 705 moves along with the trigger plate 702 under the linkage of the connecting guide rod 708, the sliding base 705 pulls the trigger block 802 through the second reset spring 707, the trigger block 802 tends to be parallel from an inclined state through pulling of the connecting guide rod 708, the secondary clamping rod 8 approaches to the wire core, and positions the tail end of the wire core, so that the possibility of deviation of the wire core and a conductor due to vibration is reduced when the wire core is used;
when the cable needs to be drawn out, the clamping rod 501 moves along with the outer mounting sleeve 3 to release the extrusion of the trigger plate 702, the first reset spring 703 pushes the sliding base 705 to reset, and the second reset spring 707 is extruded again, so that the trigger block 802 also returns to the initial position, and the secondary clamping rod 8 is also separated from the surface of the cable core, so that the limit is released.
As a further embodiment of the invention, the trigger plate 702 is disc-shaped and the diameter of the trigger plate 702 is greater than the diameter of the circumferential array track of five clamping bars 501;
it should be noted that the trigger plate 702 has a diameter larger than that of the circumferential array track of the five clamping bars 501 so that the trigger plate 702 can press the trigger plate 702 when moving.
As a further embodiment of the present invention, the secondary clamping rod 8 is slidably connected with the inner wall of the first mounting groove 7 through a key slot;
as a further embodiment of the present invention, the inner side surface of the secondary gripping bar 8 is fitted with teeth;
it should be noted that, because of the key slot, the secondary clamping rod 8 cannot slide laterally on the inner wall of the first mounting groove 7, and the teeth can increase the friction force when the secondary clamping rod 8 contacts the wire core.
As shown in fig. 1, the invention further provides a use method of the line connector for the power transmission project, which comprises the following steps:
s1: firstly, a wire core of a first cable A stretches into a positioning mechanism, then the first cable A to be connected stretches into the outer mounting sleeve 3, the first cable A is primarily fixed by a clamping mechanism, and the wire core of the first cable A is primarily limited by a second wire core fixing mechanism;
s2: then the outer mounting sleeve 3 is driven to move towards the outer thread sleeve 4 by the butt joint fixing mechanism, the wire core positioning mechanism corrects the wire core towards the middle position in the process, and finally the wire core of the first cable A stretches into the connecting sleeve hole 201;
s3: finally, the wire core extending into the connecting sleeve hole 201 is fixed through the first wire core fixing mechanism, so that the connection of the first cable A on one side is completed, and then the second cable B on the other side is accessed in the same mode, so that the connection of the first cable A and the second cable B is completed.
The working principle of the invention is as follows:
before the whole device is used, the positioning disc 303 slides to be close to the outlet of the outer mounting sleeve 3, and before the cable stretches in, the exposed wire cores with the front ends stripped of the insulating layers correspondingly stretch into the positioning holes 304 one by one, and the diameter of the positioning holes 304 is larger than that of the wire cores, so that the wire cores are easy to stretch into the positioning holes 304 when stretched into the wire cores;
after the wire core stretches into, the wire core can be contacted with the fixing plate 306, one end of the fixing plate 306, which is close to the outlet, is also an inclined surface, the four elastic telescopic rods 305 are pushed and extruded when the wire core stretches into, the four fixing plate 306 is extruded through the four elastic telescopic rods 305, the position of the wire core is initially limited after the wire core stretches into, so that the wire core is close to the central position of the positioning hole 304, the subsequent butt joint is facilitated, the surface, which is attached to the wire core, of the fixing plate 306 is a smooth plane, and the stretching of the wire core is not hindered;
during butt joint, the outer installation sleeve 3 in threaded connection with the outer threaded sleeve 4 is moved to one side close to the line connection seat 2 by rotating the outer threaded sleeve 4, so that a cable inside the outer installation sleeve 3 is close to the line connection seat 2, a wire core inside the cable stretches into the connection sleeve hole 201, and when the outer installation sleeve 3 is separated from the outer threaded sleeve 4, the guide post 401 is positioned at the tail end of the guide groove 402, so that the outer installation sleeve 3 is attached to the outer threaded sleeve 4;
when the trigger rod 6 continues to slide to the tail end of the storage groove 601, the inner gear ring 602 rotates 45 ° in the process of moving along the storage groove 601 due to the spherical protruding blocks 603, when the inner gear ring 602 rotates, the linkage gear 605 meshed with the inner side rotates, then the connection turntable 606 meshed with the linkage gear 605 rotates, the central turntable 607 on the inner side of the connection turntable 606 rotates along the opposite direction, and finally the central turntable 607 drives the rest connection turntable 606 to rotate;
when the central turntable 607 and the connection turntable 606 rotate, the surface plane threads 608 enable the connection turntable 606 in threaded connection to approach a distance towards the central position of the positioning hole 304, and the core is further positioned by the fixing plate 306, so that the core approaches the center of the positioning hole 304, thereby facilitating subsequent butt joint;
in the initial state, as shown in fig. 7, the trigger plate 702 is attached to one end close to the outlet under the action of the first return spring 703, at this time, the trigger block 802 is also close to the outlet under the action of the second return spring 707, the elastic coefficient of the second return spring 707 is far smaller than that of the first return spring 703, the second return spring is in a compressed state, and the secondary clamping rod 8 is positioned in the first mounting groove 7 under the thrust of the connecting guide rod 708;
when the wire core stretches into the connecting sleeve hole 201, the clamping rod 501 can extrude the trigger plate 702, then extrude the first reset spring 703, the trigger plate 702 is attached to the inner wall at the other side of the second mounting groove 701, at the moment, the extrusion of the first reset spring 703 is lost, the second reset spring 707 pops up, the sliding base 705 also moves along with the trigger plate 702, in this state, after the wire core enters the connecting sleeve hole 201, the tail end of the wire core can extrude and push the trigger block 802 to slide towards the position close to the sliding base 705, the trigger block 802 tends to be parallel from an inclined state by pulling the connecting guide rod 708, the secondary clamping rod 8 can approach towards the wire core, the tail end of the wire core is positioned, and the possibility that the wire core and a conductor deviate due to vibration in use is reduced;
when the cable needs to be drawn out, the clamping rod 501 moves along with the outer mounting sleeve 3 to release the extrusion of the trigger plate 702, the first reset spring 703 pushes the sliding base 705 to reset, and the second reset spring 707 is extruded again, so that the trigger block 802 also returns to the initial position, and at this time, the secondary clamping rod 8 is also separated from the surface of the cable core to release the limit.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention, which is defined by the appended claims.
Claims (10)
1. The utility model provides a line connector for electric power transmission engineering, includes line connection seat (2), its characterized in that: the cable fixing device is characterized in that a fixing housing (1) is fixedly connected to the outer side surface of a circuit connecting seat (2), two butting fixing mechanisms for fixing cables are symmetrically arranged on the front surface and the rear surface of the fixing housing (1) in a rotating connection mode, connecting sleeve holes (201) for connecting cable cores are symmetrically formed in the circuit connecting seat (2) in a front-back mode, two first cable core fixing mechanisms for fixing the cable cores are arranged on the outer side of the connecting sleeve holes (201) in the circuit connecting seat (2), and positioning mechanisms for positioning the cable cores are arranged at two ends of the circuit connecting seat (2);
the positioning mechanism comprises an outer mounting sleeve (3), a mounting sliding groove (301) is formed in the inner side surface of the outer mounting sleeve (3), a sliding block (302) is connected to the inner side of the mounting sliding groove (301) in a sliding mode, a positioning disc (303) is fixedly connected to the inner side of the sliding block (302), a clamping mechanism for auxiliary clamping cables is fixedly mounted at the edge position of the inner side surface of the outer mounting sleeve (3) close to an outlet, positioning holes (304) corresponding to the positions of the connecting sleeve holes (201) are formed in the surface of the positioning disc (303), a second wire core fixing mechanism with the same number as the positioning holes (304) is arranged on the surface of one side of the positioning disc (303) close to the circuit connecting seat (2), and a wire core positioning mechanism is arranged at the edge of the positioning disc (303).
2. A line connector for electric power transmission engineering according to claim 1, characterized in that: the clamping mechanism comprises a fixed ring (5), the fixed ring (5) is fixedly installed at the edge position, close to the outlet, of the inner side surface of the outer installation sleeve (3), five elastic telescopic rods (503) are installed on the inner side surface of the fixed ring (5) through a circumferential array in a fixed connection mode, one end of each elastic telescopic rod (503) away from the fixed ring (5) is fixedly connected with each clamping rod (501), each clamping rod (501) is close to one side surface fixedly connected with an inclined plate (502) of the outlet of the outer installation sleeve (3), and each clamping rod (501) is far away from one side surface of each elastic telescopic rod (503) and provided with a toothed plate (504) in an embedded mode.
3. A line connector for electric power transmission engineering according to claim 2, characterized in that: the circuit connecting seat is characterized in that connecting grooves (202) are formed in positions, corresponding to the positioning holes (304), of the circuit connecting seat (2), conductive seats (203) are fixedly connected to the inner walls of the connecting grooves (202), conductive grooves (204) are formed in the conductive seats (203), conductive columns (205) are connected to the conductive grooves (204) in a sliding mode, the conductive columns (205) are in contact with the conductive grooves (204) and are electrically conductive, supporting springs (206) are fixedly connected between the conductive columns (205) and the inner walls of the conductive grooves (204), and the ends of the conductive columns (205) extend to the inner portions of the positioning holes (304).
4. A line connector for electric power transmission engineering according to claim 3, characterized in that: the butt joint fixing mechanism comprises an external thread sleeve (4) and four guide posts (401), the external thread sleeve (4) is installed on the outer side surface of the fixed housing (1) in a rotating connection mode, the inner side surface of the external thread sleeve (4) is connected with the outer side surface of the outer installation sleeve (3) in a threaded mode, the four guide posts (401) are installed on one side surface of the fixed housing (1) close to the outer installation sleeve (3) in a circumferential array mode in a fixed connection mode, guide grooves (402) corresponding to the positions of the guide posts (401) are formed in the outer installation sleeve (3), and the front ends of the guide posts (401) are connected with the inner parts of the guide grooves (402) in a sliding mode.
5. A line connector for electric power transmission engineering according to claim 3, characterized in that: the second wire core fixing mechanism comprises a trigger rod (6), a storage groove (601) and four elastic telescopic rods (305), wherein the four elastic telescopic rods (305) are circumferentially arranged on the inner side of the positioning hole (304) in a fixed connection mode, the tail ends of the four elastic telescopic rods (305) are fixedly connected with a fixing plate (306), the trigger rod (6) is arranged on one side surface of the fixed housing (1) close to the outer mounting sleeve (3) in a fixed connection mode, the storage groove (601) is formed in the outer mounting sleeve (3), the installation positions of the trigger rod (6) and the storage groove (601) are corresponding, and the trigger rod (6) is slidably connected in the storage groove (601);
the wire core positioning mechanism comprises an inner gear ring (602), the inner gear ring (602) is rotationally connected to one side of the positioning disc (303) close to the circuit connecting seat (2), and a torsion spring for resetting is arranged at the rotationally connected part of the inner gear ring (602) and the positioning disc (303);
a spiral groove (604) is formed in the outer side surface of the inner gear ring (602), a spherical lug (603) is fixedly arranged on the inner side surface of the trigger rod (6), and an opening of the spiral groove (604) close to one side of the trigger rod (6) and the spherical lug (603) are positioned on the same horizontal line;
the inner side surface of the inner gear ring (602) is provided with a linkage gear (605) in a meshing connection mode, the linkage gear (605) is rotationally connected to the surface of the positioning disk (303), one side surface of the positioning disk (303) close to the fixed housing (1) is provided with connecting turntables (606) with the same number of positioning holes (304) positioned on the outer side in a circumferential array mode, the connecting turntables (606) are rotationally connected with the positioning disk (303), the linkage gear (605) is in meshing connection with the connecting turntables (606) close to one side above, the connecting turntables (606) are concentric with the positioning holes (304) positioned on the outer side, the inner side surfaces of the connecting turntables (606) are all in meshing connection with central turntables (607), the central turntables (607) are arranged on one side surface of the positioning disk (303) close to the fixed housing (1) in a rotating connection mode, and the central turntables (607) are concentric with the positioning holes (304) positioned on the central position;
all fixed plate (306) are close to one side surface of fixed housing (1) has all offered screw thread groove (609), central carousel (607) with connect carousel (606) be close to one side surface of positioning disk (303) has all offered plane screw thread (608), be located the outside fixed plate (306) inside locating hole (304) pass through screw thread groove (609) with connect plane screw thread (608) on carousel (606) surface pass through threaded connection, be located the central point department inside fixed plate (306) inside locating hole (304) pass through screw thread groove (609) with plane screw thread (608) looks adaptation on central carousel (607) surface.
6. The line connector for electric power transmission engineering according to claim 4, wherein: the first wire core fixing mechanism comprises a first mounting groove (7), the first mounting groove (7) is formed in the inside of each connecting sleeve hole (201), the first mounting groove (7) is distributed on the inner side wall of each connecting sleeve hole (201) in a circumferential array mode, a second mounting groove (701) is formed in the position, away from the outer thread sleeve (4), of the inside of the circuit connecting seat (2), a trigger plate (702) is slidably connected in the second mounting groove (701), a yielding hole (704) corresponding to the position of the connecting sleeve hole (201) is formed in the inside of the trigger plate (702), a first reset spring (703) is fixedly connected to the surface of one side, away from the outer thread sleeve (4), of the trigger plate (703), one end, away from the trigger plate (702), of the inner wall of the second mounting groove (701) is fixedly connected, and a third mounting groove (706) communicated with the connecting sleeve hole (201) is formed in the position, close to the inner part of the circuit connecting seat (2), of the connecting sleeve hole (201);
the inside sliding connection of third mounting groove (706) has connection guide arm (708), the upper end of connection guide arm (708) with trigger plate (702) fixed connection, every the inside of connecting trepanning (201) all sliding connection has slide base (705), slide base (705) with connection guide arm (708) fixed connection, slide base (705) is close to one side surface fixed connection of external screw thread cover (4) has second reset spring (707), one side surface fixed connection that second reset spring (707) is kept away from slide base (705) has trigger piece (802), the inside of first mounting groove (7) all sliding connection has secondary clamping lever (8), rotate between secondary clamping lever (8) and trigger piece (802) and be connected with movable connecting rod (801);
the sliding base (705), the second return spring (707) and the trigger block (802) are all sleeved on the surface of the conductive column (205) at the corresponding positions in a sliding manner.
7. The line connector for electric power transmission engineering according to claim 6, wherein: the trigger plate (702) is in a disc shape, and the diameter of the trigger plate (702) is larger than the diameter of the circumferential array tracks of five clamping rods (501).
8. The line connector for electric power transmission engineering according to claim 6, wherein: the secondary clamping rods (8) are connected with the inner wall of the first mounting groove (7) in a sliding mode through key grooves.
9. The line connector for electric power transmission engineering according to claim 6, wherein: the inner side surface of the secondary clamping rod (8) is embedded with teeth.
10. A method of using a line connector for electric power transmission engineering, adapted to any one of claims 1 to 9, characterized by comprising the steps of:
s1: firstly, a wire core of a first cable stretches into a positioning mechanism, then the first cable to be connected stretches into the outer mounting sleeve (3), the first cable is preliminarily fixed by a clamping mechanism, and the wire core of the first cable is preliminarily limited by a second wire core fixing mechanism;
s2: then the outer mounting sleeve (3) is driven to move towards the outer threaded sleeve (4) through the butt joint fixing mechanism, the wire core positioning mechanism corrects the wire core towards the middle position in the process, and finally the wire core of the first cable stretches into the connecting sleeve hole (201);
s3: finally, the wire core extending into the connecting sleeve hole (201) is fixed through the first wire core fixing mechanism, connection of the first cable on one side is completed, then the second cable on the other side is accessed in the same mode, and connection of the first cable and the second cable is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310537940.3A CN116315871B (en) | 2023-05-15 | 2023-05-15 | Line connector for power transmission engineering and use method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310537940.3A CN116315871B (en) | 2023-05-15 | 2023-05-15 | Line connector for power transmission engineering and use method thereof |
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| CN116315871B true CN116315871B (en) | 2023-07-25 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108400454A (en) * | 2018-01-16 | 2018-08-14 | 珠海格力电器股份有限公司 | Electric wire connecting junction |
| CN208157752U (en) * | 2018-05-31 | 2018-11-27 | 山东龙翼航空科技有限公司 | A kind of quick pipe connecting device of XT60 connector |
| CN110518438A (en) * | 2019-08-30 | 2019-11-29 | 国网山东省电力公司济南市章丘区供电公司 | A kind of termination for electric power cable |
| US10734753B1 (en) * | 2019-04-11 | 2020-08-04 | Itt Manufacturing Enterprises Llc | Contact splice |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106816840B (en) * | 2017-03-28 | 2018-08-14 | 北京金风科创风电设备有限公司 | Cable twisting protection device, use method of cable twisting protection device and wind generating set |
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2023
- 2023-05-15 CN CN202310537940.3A patent/CN116315871B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108400454A (en) * | 2018-01-16 | 2018-08-14 | 珠海格力电器股份有限公司 | Electric wire connecting junction |
| CN208157752U (en) * | 2018-05-31 | 2018-11-27 | 山东龙翼航空科技有限公司 | A kind of quick pipe connecting device of XT60 connector |
| US10734753B1 (en) * | 2019-04-11 | 2020-08-04 | Itt Manufacturing Enterprises Llc | Contact splice |
| CN110518438A (en) * | 2019-08-30 | 2019-11-29 | 国网山东省电力公司济南市章丘区供电公司 | A kind of termination for electric power cable |
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