CN114447657A - Breakpoint connecting device for power transmission line - Google Patents

Breakpoint connecting device for power transmission line Download PDF

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Publication number
CN114447657A
CN114447657A CN202210180769.0A CN202210180769A CN114447657A CN 114447657 A CN114447657 A CN 114447657A CN 202210180769 A CN202210180769 A CN 202210180769A CN 114447657 A CN114447657 A CN 114447657A
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CN
China
Prior art keywords
wire
box
sleeve
end box
power transmission
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202210180769.0A
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Chinese (zh)
Other versions
CN114447657B (en
Inventor
包建振
杨传龙
田忠禹
刘召孟
梁晓
邢爱博
姚蕊
李庆彪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Pingyuan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Original Assignee
Pingyuan Power Supply Co of State Grid Shandong Electric Power Co Ltd
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Publication date
Application filed by Pingyuan Power Supply Co of State Grid Shandong Electric Power Co Ltd filed Critical Pingyuan Power Supply Co of State Grid Shandong Electric Power Co Ltd
Priority to CN202210180769.0A priority Critical patent/CN114447657B/en
Publication of CN114447657A publication Critical patent/CN114447657A/en
Application granted granted Critical
Publication of CN114447657B publication Critical patent/CN114447657B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • H01R13/02—Contact members
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • 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
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/5804—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part
    • H01R13/5812—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable comprising a separate cable clamping part the cable clamping being achieved by mounting the separate part on the housing of the coupling device
    • 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
    • H01R13/621—Bolt, set screw or screw clamp
    • H01R13/6215—Bolt, set screw or screw clamp using one or more bolts
    • 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
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/005—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure requiring successive relative motions to complete the coupling, e.g. bayonet type
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/26—Connections in which at least one of the connecting parts has projections which bite into or engage the other connecting part in order to improve the contact
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/302—Clamped connections, spring connections utilising a screw or nut clamping member having means for preventing loosening of screw or nut, e.g. vibration-proof connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36—Conductive members located under tip of screw
    • H01R4/363—Conductive members located under tip of screw with intermediate part between tip and conductive member
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S10/00—Systems supporting electrical power generation, transmission or distribution
    • Y04S10/50—Systems or methods supporting the power network operation or management, involving a certain degree of interaction with the load-side end user applications
    • Y04S10/52—Outage or fault management, e.g. fault detection or location

Landscapes

  • Connection Or Junction Boxes (AREA)

Abstract

The invention discloses a breakpoint connecting device of a power transmission line, which comprises a male end box and a female end box, wherein inner liners are arranged in the male end box and the female end box, an installation groove is formed in the middle of each inner liner, a junction box is arranged in the installation groove, a wiring terminal is arranged at one end in the junction box, one end of a wire is connected between a wire pressing frame and a wire pressing plate in a pressing mode, a copper column is arranged on one side of the wire pressing plate of the male end box, and a copper sleeve is arranged on one side of the wire pressing plate of the female end box; a plurality of clamping grooves which are uniformly distributed are formed in the outer portion of the male end box, a sleeve is arranged at one end of the female end box, a plurality of spacing grooves are formed in the sleeve, a boss is arranged at one end of the sleeve, and the boss is clamped in the clamping grooves of the male end box; the outside of the sleeve is provided with a threaded sleeve in threaded connection with the sleeve. The invention respectively presses the wires at the break points in the wiring terminals in the male end box and the female end box, and utilizes the clamping of the lug boss at the tail end of the sleeve on the female end box and the clamping groove on the male end box to realize the double clamping of the break point wire connection, thereby avoiding the wire disconnection caused by the wiring of the wiring terminals.

Description

Breakpoint connecting device for power transmission line
Technical Field
The invention belongs to the technical field of wiring tools, and particularly relates to a breakpoint connection device for an electric power transmission line.
Background
Cables are generally rope-like cables made by stranding several or groups of conductors (at least two in each group), each group being insulated from each other and often twisted around a center, the entire outer surface being coated with a highly insulating coating. The cable has the characteristics of internal electrification and external insulation, the cable can be divided into a direct current cable and an alternating current cable according to a system of a photovoltaic power station, and the derivative/new product of the wire and the cable is mainly generated by adopting new materials and special materials or changing the structure of the product or improving the process requirement or combining different products due to different application occasions and application requirements, convenience of equipment, reduction of equipment cost and the like.
When the existing cable is connected at a broken point, one mode is that an electrician slides the side surface of an insulating layer on the outer side of the cable by using scissors to expose an internal electric wire, then wires at two ends of the broken point are twisted together in a certain winding mode, and then an insulating tape is wrapped and wound at the winding position of the wires to complete connection of the broken point, so that the insulating tape is easy to deteriorate and lose viscosity to fall off along with the lapse of time, and the use danger is caused; the other mode is that the wires on two sides of the break point are connected to the wiring terminal, and the wires are tightly pressed in the wiring terminal through the wiring bolt.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a breakpoint connection device for a power transmission line, which aims to solve the problems that an insulating tape is easy to deform, lose viscosity and fall off when the existing wire is subjected to breakpoint connection and the existing wiring terminal is disconnected after wiring.
In order to achieve the purpose, the invention adopts the technical scheme that:
a breakpoint connecting device of a power transmission line comprises a male end box and a female end box, wherein threading holes are formed in one side of the male end box and one side of the female end box, inner liners are arranged in the male end box and the female end box, a mounting groove is formed in the middle of each inner liner, a junction box is arranged in each mounting groove, a connecting terminal is arranged at one end in each junction box, a plurality of sliding grooves are formed in each connecting terminal, a wire pressing frame of a frame structure is arranged in each sliding groove, a connecting bolt is connected to the upper portion of each wire pressing frame in a threaded mode, and the upper end of each connecting bolt is communicated with the upper portion of each connecting terminal; the wire pressing plate is fixedly connected inside the sliding groove, grooves are formed in two sides of the wire pressing plate, the wire pressing frame is slidably arranged in the grooves, one end of a wire is pressed between the wire pressing frame and the wire pressing plate, a copper column is arranged on one side of the wire pressing plate of the male end box, a copper sleeve is arranged on one side of the wire pressing plate of the female end box, the copper column is inserted into the copper sleeve, and the outer wall of the copper column is in contact with the inner wall of the copper sleeve so as to ensure that the wire is electrically conducted after the breakpoint is connected; a plurality of clamping grooves which are uniformly distributed are formed in the outer portion of the male end box, a sleeve is arranged at one end of the female end box, a plurality of spacing grooves are formed in the sleeve, a boss is arranged at one end of the sleeve, and the boss is clamped in the clamping grooves of the male end box; sleeve one end is equipped with the external screw thread, and the sleeve outside is equipped with rather than threaded connection's swivel nut, and the back is pegged graft to public end box and female end box, rotates the swivel nut to telescopic one end, has avoided the terminal boss of sleeve to break away from the draw-in groove in, the diameter on boss upper portion is greater than telescopic external diameter to realize the location of swivel nut.
As a further optimization of the technical scheme, one side of the female end box is provided with a retaining ring, one side of the retaining ring is provided with a spring, the other end of the spring is abutted to the threaded sleeve, the spring is used for preventing the threaded sleeve from loosening, and the male end box and the female end box are prevented from being separated due to loosening of the threaded sleeve.
As a further preferred option of the technical solution, an upper cover is hinged to one side of the upper portion of the junction box, a plurality of hooks are arranged on the other side of the upper cover, a plurality of buckles matched with the hooks are arranged on one side of the junction box, the upper end surface of the junction box is flush with the upper surface of the junction terminal after the junction bolt is screwed down, and the lower end surface of the upper cover is flush with the upper end surface of the junction terminal after the upper cover is fastened with the junction box; after the upper cover is buckled with the junction box, the junction bolt is limited, and the loosening of the wire and the wiring terminal caused by the loosening of the junction bolt is avoided.
As a further preferred of this technical scheme, press the line frame and all be equipped with a plurality of waves protrudingly with the contact surface one side of line ball board and wire, and the protruding crisscross arrangement of the arch of the protruding and line ball board of press the line frame for the wire is the wave between press the line frame and the line ball board and compresses tightly, has increased the area of wire crimping, and then has guaranteed the effect that the wire compressed tightly.
As a further preferred option of the technical solution, one end inside the junction box is provided with a wire clamping seat, the upper part of the wire clamping seat is provided with a wire clamping plate, two ends of the wire clamping plate are detachably connected with the wire clamping seat through screws, and the upper part of the wire clamping seat and the lower part of the wire clamping plate are both provided with a plurality of arc-shaped grooves for accommodating wires; the rear portion of the wire is pressed in the wire clamping seat after the tail end of the wire is connected inside the wiring terminal, the wire is further pressed, and the tail end of the wire is prevented from being separated from the wiring terminal after the wire is pulled.
As a further preferred option of the technical solution, a wire ejecting device is arranged inside the junction box, the wire ejecting device is arranged between the wiring terminal and the wire clamping seat, the wire ejecting device comprises a wire ejecting screw rod, two ends of the wire ejecting screw rod are rotatably connected with the side wall of the junction box, a driving plate is in threaded connection with the middle of the wire ejecting bolt, a connecting plate is arranged at the lower part of the driving plate, a plurality of wire ejecting rods are arranged at the lower part of the connecting plate, and the wire ejecting rods are arranged at one side of the wire; after the wire is compressed tightly by binding post, rotate the terminal bolt, the terminal bolt passes through the drive plate and drives the connecting plate removal, and the terminal rod of connecting plate lower part is pushing up the wire and is removing to the moving direction of connecting plate, forms the arch in one side of terminal rod, has further guaranteed the stability that wire and binding post are connected.
As a further preferred option of the technical scheme, at least two groups of the top line devices are arranged, the top line rods of the adjacent top line devices are respectively arranged on two sides of the lead, and the adjacent top line devices move in opposite directions during line jacking, so that the lead is in a continuous wave shape, and the connection stability of the lead and the wiring terminal is further ensured.
As a further preferred option of the technical scheme, a plurality of elastic pressing pieces are stamped on the copper sleeve, the tail ends of the elastic pressing pieces are bent towards the inside of the copper sleeve, and the elastic pressing pieces are used for compensating the poor contact between the male end and the female end caused by the increase of the clearance between the copper column and the copper sleeve after the copper column and the copper sleeve are spliced for multiple times.
As a further preferred option of this technical scheme, mounting groove upper portion and lower part all are equipped with rotatory cardboard, and one side of rotatory cardboard is equipped with the round pin axle, round pin axle and inside lining swing joint, and the end of rotatory cardboard is located one side of terminal box to the terminal box is installed inside the mounting groove with the terminal box restriction inside the mounting groove after.
As a further preferred option of the technical scheme, the two sides of the rotating clamping plate are symmetrically connected with V-shaped elastic pieces, one side of the lining is fixedly connected with a fixed stop block which is abutted against the elastic pieces, and the elastic pieces enable the rotating clamping plate to keep a vertical state in a natural state, so that the junction box is further prevented from sliding out of the mounting groove.
The invention has the beneficial effects that:
1) the invention respectively presses the wires at the break points in the wiring terminals in the male end box and the female end box, and utilizes the clamping of the lug boss at the tail end of the sleeve on the female end box and the clamping groove on the male end box to realize the double clamping of the break point wire connection, thereby avoiding the wire disconnection caused by the wiring of the wiring terminals.
2) One side of the female end box is provided with a baffle ring, one side of the baffle ring is provided with a spring, the other end of the spring is abutted against the threaded sleeve, the spring is used for preventing the threaded sleeve from loosening, and the male end box and the female end box are prevented from being separated due to loosening of the threaded sleeve.
3) An upper cover is hinged to one side of the upper portion of the junction box, a plurality of clamping hooks are arranged on the other side of the upper cover, a plurality of buckles matched with the clamping hooks are arranged on one side of the junction box, the upper end face of the junction box is flush with the upper surface of the wiring terminal after the wiring bolt is screwed down, and the lower end face of the upper cover is flush with the upper end face of the wiring terminal after the upper cover is buckled with the junction box; after the upper cover is buckled with the junction box, the junction bolt is limited, and the loosening of the wire and the wiring terminal caused by the loosening of the junction bolt is avoided.
4) The contact surface one side of line ball frame and line ball board and wire all is equipped with a plurality of waves protrudingly, and the arch of line ball frame and the protruding staggered arrangement of line ball board for the wire is the wave between line ball frame and line ball board and compresses tightly, has increased the area of wire crimping, and then has guaranteed the effect that the wire compressed tightly.
5) One end in the junction box is provided with a wire clamping seat, the upper part of the wire clamping seat is provided with a wire clamping plate, two ends of the wire clamping plate are detachably connected with the wire clamping seat through screws, and the upper part of the wire clamping seat and the lower part of the wire clamping plate are respectively provided with a plurality of arc-shaped grooves for accommodating wires; the rear portion of the wire is pressed in the wire clamping seat after the tail end of the wire is connected inside the wiring terminal, the wire is further pressed, and the tail end of the wire is prevented from being separated from the wiring terminal after the wire is pulled.
6) The inside top line device that is equipped with of terminal box, the top line device sets up between binding post and card line seat, and the wire is compressed tightly the back by binding post, rotates the top line bolt, and the top line bolt passes through the drive plate and drives the connecting plate removal, and the top line pole of connecting plate lower part is pushing up the wire and is removing to the moving direction of connecting plate, forms the arch in one side of top line pole, has further guaranteed the stability that wire and binding post are connected.
7) The top line devices are at least provided with two groups, the top line rods of the adjacent top line devices are respectively arranged on two sides of the wire, and the adjacent top line devices move in opposite directions during line jacking, so that the wire is in a continuous wave shape, and the connection stability of the wire and the wiring terminal is further ensured.
8) The copper sheathing is stamped with a plurality of elastic pressing sheets, the tail ends of the elastic pressing sheets are bent towards the inside of the copper sheathing, and after the elastic pressing sheets are used for compensating the repeated splicing of the copper column and the copper sheathing, the increase of the clearance between the copper column and the copper sheathing causes poor contact between the male end and the female end.
9) Mounting groove upper portion and lower part all are equipped with rotatory cardboard, and one side of rotatory cardboard is equipped with the round pin axle, round pin axle and inside lining swing joint, and the end of rotatory cardboard is located one side of terminal box to install the terminal box inside the mounting groove with the terminal box restriction after inside.
10) The V-shaped elastic pieces are symmetrically connected to two sides of the rotary clamping plate, one side of the lining is fixedly connected with a fixed stop block which is abutted to the elastic pieces, the elastic pieces enable the rotary clamping plate to keep a vertical state in a natural state, and the junction box is further prevented from sliding out of the mounting groove.
Drawings
Fig. 1 is a schematic structural diagram of a breakpoint connection device of a power transmission line.
Fig. 2 is an exploded view of a breakpoint connection device of a power transmission line according to the present invention.
Fig. 3 is a schematic structural diagram of a male terminal box in the breakpoint connection device of the power transmission line.
Fig. 4 is an exploded view of a male terminal box in the breakpoint connection device of the power transmission line of the present invention.
Fig. 5 is a schematic view of the internal structure of a junction box in the breakpoint connection device of the power transmission line of the present invention.
Fig. 6 is a partial sectional view of a connection terminal in the breakpoint connection device of the power transmission line of the present invention.
Fig. 7 is a schematic structural diagram of a top line device in the breakpoint connection device of the power transmission line.
Fig. 8 is an exploded view of a female terminal box in the breakpoint connection device of the power transmission line of the present invention.
Fig. 9 is a sectional view of a copper bush in the breakpoint connection device of the power transmission line of the present invention.
FIG. 10 is a schematic view of a rotary clamping plate structure in the breakpoint connection device of the power transmission line of the present invention.
In the figure: 1. a male end box; 101. a card slot; 102. mounting grooves; 103. a liner; 104. a junction box; 105. an upper cover; 106. buckling; 107. a hook; 108. a wiring terminal; 109. pressing a wire frame; 110. a wire pressing plate; 111. a wiring bolt; 112. a copper pillar; 113. a wire clamping seat; 114. a wire clamping plate; 2. a line jacking device; 201. a roof line bolt; 202. a connecting plate; 203. a thread-ejecting rod; 204. a drive plate; 3. a female end box; 301. a baffle ring; 302. a spring; 303. a threaded sleeve; 304. a copper sleeve; 305. elastic tabletting; 306. a sleeve; 307. a spacing groove; 308. a boss; 4. rotating the clamping plate; 401. a pin shaft; 402. a spring plate; 403. fixing a stop block; 5. and (4) conducting wires.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to fig. 1 to 10, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used for convenience of description only, and do not indicate or imply that the devices or elements referred to must have a specific orientation, a specific orientation configuration and operation, and thus, are not to be construed as limiting the present invention.
As shown in fig. 1-4, 6 and 8, a breakpoint connection device for an electric power transmission line includes a male end box 1 and a female end box 3, wherein one side of each of the male end box 1 and the female end box 3 is provided with a threading hole, a lining 103 is arranged in each of the male end box 1 and the female end box 3, the middle of the lining 103 is provided with an installation groove 102, a junction box 104 is arranged in the installation groove 102, one end of the inside of the junction box 104 is provided with a connection terminal 108, the connection terminal 108 is provided with a plurality of sliding grooves, a frame pressing frame 109 of a frame structure is arranged in each of the sliding grooves, the upper part of the frame pressing frame 109 is in threaded connection with a connection bolt 111, and the upper end of the connection bolt 111 is communicated with the upper part of the connection terminal 108; the wire pressing plate 110 is fixedly connected inside the sliding groove, grooves are formed in two sides of the wire pressing plate 110, the wire pressing frame 109 is arranged in the grooves in a sliding mode, one end of a lead 5 is pressed between the wire pressing frame 109 and the wire pressing plate 110, a copper column 112 is arranged on one side of the wire pressing plate 110 of the male end box 1, a copper sleeve 304 is arranged on one side of the wire pressing plate 110 of the female end box 3, the copper column 112 is inserted inside the copper sleeve 304, and the outer wall of the copper column 112 is in contact with the inner wall of the copper sleeve 304, so that electric conduction after breakpoint wiring is guaranteed; a plurality of clamping grooves 101 which are uniformly distributed are formed in the outer portion of the male end box 1, a sleeve 306 is arranged at one end of the female end box 3, a plurality of spaced grooves 307 are formed in the sleeve 306, a boss 308 is arranged at one end of the sleeve 306, and the boss 308 is clamped in the clamping grooves 101 of the male end box 1; the utility model discloses a socket, including sleeve 306, male end box 1, female end box 3, boss 308, sleeve 306 upper portion diameter is greater than the external diameter of sleeve 306 to realize the location of swivel nut 303, sleeve 306 one end is equipped with the external screw thread, and the sleeve 306 outside is equipped with the swivel nut 303 rather than threaded connection, and after male end box 1 and female end box 3 pegged graft, the swivel nut 303 is rotated to the one end of sleeve 306, has avoided the terminal boss 308 of sleeve 306 to break away from in the draw-in groove 101, the diameter on boss 308 upper portion to realize the location of swivel nut 303.
As shown in fig. 1-2 and 8, in this embodiment, a stop ring 301 is disposed on one side of the female end box 3, a spring 302 is disposed on one side of the stop ring 301, the other end of the spring 302 abuts against a threaded sleeve 303, and the spring 302 prevents the threaded sleeve 303 from loosening, so that the male end box 1 and the female end box 3 are prevented from being separated due to loosening of the threaded sleeve 303.
As shown in fig. 5, in this embodiment, one side of the upper portion of the junction box 104 is hinged with an upper cover 105, the other side of the upper cover 105 is provided with a plurality of hooks 107, one side of the junction box 104 is provided with a plurality of buckles 106 matched with the hooks 107, the upper end surface of the junction bolt 111 is flush with the upper surface of the junction terminal 108 after being screwed, and after the upper cover 105 is buckled with the junction box 104, the lower end surface of the upper cover 105 is flush with the upper end surface of the junction terminal 108; after the upper cover 105 is buckled with the junction box 104, the wiring bolt 111 is limited, and the loosening of the wire 5 and the wiring terminal 108 caused by the loosening of the wiring bolt 111 is avoided.
As shown in fig. 6, in this embodiment, a plurality of wave-shaped protrusions are respectively disposed on one side of the contact surfaces of the wire pressing frame 109 and the wire pressing plate 110 with the wire 5, and the protrusions of the wire pressing frame 109 and the protrusions of the wire pressing plate 110 are arranged in a staggered manner, so that the wire 5 is pressed between the wire pressing frame 109 and the wire pressing plate 110 in a wave shape, the pressing area of the wire 5 is increased, and the pressing effect of the wire 5 is further ensured.
As shown in fig. 5, in this embodiment, one end of the inside of the junction box 104 is provided with a wire clamping seat 113, the upper portion of the wire clamping seat 113 is provided with a wire clamping plate 114, two ends of the wire clamping plate 114 are detachably connected with the wire clamping seat 113 through screws, and the upper portion of the wire clamping seat 113 and the lower portion of the wire clamping plate 114 are both provided with a plurality of arc-shaped grooves for accommodating the wires 5; after the end of the wire 5 is connected to the inside of the terminal 108, the rear portion of the wire 5 is pressed in the wire clamping seat 113, so as to further press the wire 5, and the separation of the end of the wire 5 from the terminal 108 after being pulled is avoided.
As shown in fig. 5 and 7, in the present embodiment, a top line device 2 is disposed inside the terminal box 104, the top line device 2 is disposed between the wiring terminal 108 and the wire clamping seat 113, the top line device 2 includes a top line screw, two ends of the top line screw are rotatably connected with a side wall of the terminal box 104, a driving plate 204 is connected to a middle portion of the top line bolt 201 by a thread, a connecting plate 202 is disposed at a lower portion of the driving plate 204, a plurality of top line rods 203 are disposed at a lower portion of the connecting plate 202, and the top line rods 203 are disposed at one side of the wires 5; after the lead 5 is pressed by the wiring terminal 108, the top line bolt 201 is rotated, the top line bolt 201 drives the connecting plate 202 to move through the driving plate 204, the top line rod 203 at the lower part of the connecting plate 202 pushes the lead 5 to move towards the moving direction of the connecting plate 202, an arch is formed on one side of the top line rod 203, and the stability of connection between the lead 5 and the wiring terminal 108 is further ensured.
As shown in fig. 5, in this embodiment, at least two groups of the thread take-off devices 2 are provided, and the thread take-off rods 203 of the adjacent thread take-off devices 2 are respectively arranged at two sides of the conducting thread 5, so that the adjacent thread take-off devices 2 move in opposite directions during thread take-off, so that the conducting thread 5 is in a continuous wave shape, and the stability of connection between the conducting thread 5 and the connecting terminal 108 is further ensured.
As shown in fig. 9, in the present embodiment, a plurality of elastic pressing pieces 305 are stamped on the copper sleeve 304, the ends of the elastic pressing pieces 305 are bent toward the inside of the copper sleeve 304, and the elastic pressing pieces 305 are used for compensating that the gap between the copper column 112 and the copper sleeve 304 is increased after the copper column 112 and the copper sleeve 304 are inserted for a plurality of times, so that the contact between the male end and the female end is poor.
As shown in fig. 3-4 and 10, in this embodiment, the upper portion and the lower portion of the installation slot 102 are both provided with a rotating clamping plate 4, one side of the rotating clamping plate 4 is provided with a pin 401, the pin 401 is movably connected with the lining 103, and the end of the rotating clamping plate 4 is located at one side of the junction box 104, so that the junction box 104 is limited inside the installation slot 102 after the junction box 104 is installed inside the installation slot 102.
As shown in fig. 10, in this embodiment, V-shaped elastic pieces 402 are symmetrically connected to two sides of the rotating card 4, a fixed stop 403 abutting against the elastic pieces 402 is fixedly connected to one side of the liner 103, and the elastic pieces 402 keep the rotating card 4 in a vertical state in a natural state, thereby further preventing the junction box 104 from sliding out of the mounting groove 102.
When the breakpoint connection is performed, the terminal box 104 inside the male terminal box 1 and the female terminal box 3 is taken out from one side of the male terminal box 1 and the female terminal box 3, then the wires 5 on two sides of the breakpoint respectively pass through the threading holes at one end of the male terminal box 1 and the female terminal box 3, then the insulating skin at the tail end of the wires 5 is peeled off to make the conductors leak out, then the conductors are placed at the lower part of the wire pressing plate 110, the wiring bolt 111 is rotated, the wiring bolt 111 drives the wire pressing frame 109 to move upwards, so that the wires 5 are pressed between the wire pressing frame 109 and the wire pressing plate 110, then the top wire screw is rotated, the top wire rod 203 at the lower part of the connecting plate 202 enables the wires 5 to be in a wave shape, so as to enhance the connection stability between the wires 5 and the male terminal box 1, then the wires 5 are pressed in the wire pressing frame 109, the wires 5 are pressed again, then the terminal box 105 is covered, and the terminal box 104 is placed inside the male terminal box 1 and the female terminal box 3, and the terminal box 104 is limited inside the mounting groove 102 by the rotary clamping plate 4, then, the sleeve 306 of the female terminal box 3 is sleeved outside the male terminal box 1, so that the boss 308 at the tail end of the sleeve 306 is clamped in the clamping groove 101 of the male terminal box 1, the threaded sleeve 303 is rotated to the tail end of the sleeve 306, the sleeve 306 and the male terminal box 1 are pressed tightly, and the connection of the short-wire lead 5 is completed.
The foregoing is merely exemplary and illustrative of the present invention and various modifications, additions and substitutions may be made by those skilled in the art to the specific embodiments described without departing from the scope of the present invention as defined in the accompanying claims.

Claims (10)

1.一种电力输电线路断点连接装置，包括公端盒、母端盒，所述公端盒和母端盒的一侧均设有穿线孔，其特征在于，所述公端盒和母端盒内均设有内衬，所述内衬中部设有安装槽，安装槽内部设有接线盒，所述接线盒内部一端设有接线端子，接线端子上设有若干滑槽，所述滑槽内部设有框架结构的压线框，压线框的上部螺纹连接有接线螺栓，接线螺栓的上端与接线端子上部贯通；所述滑槽内部固定地连接有压线板，压线板两侧设有凹槽，压线框滑动地设置于凹槽内，导线的一端压接于压线框与压线板之间，公端盒的压线板一侧设有铜柱，母端盒的压线板一侧设有铜套，铜柱插接在铜套内部，且铜柱的外壁与铜套的内壁相接触；所述公端盒外部设有若干均匀布置的卡槽，所述母端盒一端设有套筒，套筒上设有若干间隔槽，所述套筒的一端设有凸台，且凸台卡接在公端盒的卡槽内部；所述套筒一端设有外螺纹，套筒外部设有与其螺纹连接的螺套。1. A power transmission line breakpoint connection device, comprising a male end box and a female end box, and one side of the male end box and the female end box is provided with a threading hole, it is characterized in that, the male end box and the female end box are provided with threading holes. The end boxes are all provided with inner linings, the middle of the inner lining is provided with a mounting groove, the interior of the mounting groove is provided with a junction box, one end of the junction box is provided with a terminal, and the terminal is provided with a number of sliding grooves, the sliding A wire-pressing frame with a frame structure is arranged inside the slot, and the upper part of the wire-pressing frame is threadedly connected with a wiring bolt, and the upper end of the wiring bolt is connected with the upper part of the wiring terminal; There is a groove, the wire crimping frame is slidably arranged in the groove, one end of the wire is crimped between the wire crimping frame and the wire pressing plate, the side of the wire pressing plate of the male end box is provided with a copper column, and the A copper sleeve is arranged on one side of the pressure plate, the copper column is inserted into the copper sleeve, and the outer wall of the copper column is in contact with the inner wall of the copper sleeve; One end of the end box is provided with a sleeve, the sleeve is provided with a number of spacing grooves, one end of the sleeve is provided with a boss, and the boss is clamped inside the groove of the male end box; one end of the sleeve is provided with an outer thread, and the outer part of the sleeve is provided with a screw sleeve which is threadedly connected with it. 2.根据权利要求1所述的一种电力输电线路断点连接装置，其特征在于，所述母端盒一侧设有挡环，所述挡环一侧设有弹簧，所述弹簧的另一端与螺套相抵。2. A power transmission line breakpoint connection device according to claim 1, wherein a blocking ring is provided on one side of the female terminal box, a spring is provided on one side of the blocking ring, and the other side of the spring is provided. One end is in contact with the screw sleeve. 3.根据权利要求1所述的一种电力输电线路断点连接装置，其特征在于，所述接线盒上部一侧铰接有上盖，上盖的另一侧设有若干卡钩，所述接线盒一侧设有若干与卡钩配合的卡扣，所述接线螺栓拧紧后其上端面与接线端子的上表面平齐，且上盖与接线盒扣合后，上盖的下端面与接线端子的上端面平齐。3. A power transmission line breakpoint connection device according to claim 1, characterized in that, an upper cover is hinged on one side of the upper part of the junction box, and the other side of the upper cover is provided with several hooks, and the wiring One side of the box is provided with a number of buckles that cooperate with the hooks. After the connection bolts are tightened, the upper end surface is flush with the upper surface of the connection terminal, and after the upper cover is buckled with the connection box, the lower end surface of the upper cover and the connection The top face is flush. 4.根据权利要求1所述的一种电力输电线路断点连接装置，其特征在于，所述压线框和压线板与导线的接触面一侧均设有若干波浪形凸起，且压线框的凸起与压线板的凸起交错布置，导线在压线框和压线板之间呈波浪形压紧。4. A power transmission line breakpoint connection device according to claim 1, characterized in that, a plurality of wave-shaped protrusions are provided on one side of the contact surface of the wire-pressing frame and the wire-pressing plate and the wire, and the pressing The protrusions of the wire frame and the protrusions of the wire pressing plate are alternately arranged, and the wires are pressed in a wave shape between the wire pressing frame and the wire pressing plate. 5.根据权利要求1-4任一权利要求所述的一种电力输电线路断点连接装置，其特征在于，所述接线盒内部一端设有卡线座，所述卡线座上部设有卡线板，卡线板的两端通过螺钉与卡线座可拆卸地连接，卡线座的上部及卡线板的下部均设有若干容纳导线的弧形槽。5. A power transmission line breakpoint connection device according to any one of claims 1-4, wherein one end of the inside of the junction box is provided with a wire clamp seat, and the upper part of the wire clamp seat is provided with a clamp The two ends of the wire clamping plate are detachably connected to the wire clamping seat through screws, and the upper part of the wire clamping seat and the lower part of the wire clamping plate are provided with several arc grooves for accommodating wires. 6.根据权利要求5所述的一种电力输电线路断点连接装置，其特征在于，所述接线盒内部设有顶线装置，所述顶线装置设置于接线端子和卡线座之间，所述顶线装置包括顶线螺杆，顶线螺杆的两端与接线盒的侧壁转动连接，所述顶线螺栓中部螺纹连接有驱动板，所述驱动板下部设有连接板，所述连接板下部设有若干顶线杆，顶线杆设置于导线的一侧。6 . A power transmission line breakpoint connection device according to claim 5 , wherein a top wire device is provided inside the junction box, and the top wire device is arranged between the terminal and the cable holder, 6 . The top wire device includes a top wire screw, two ends of the top wire screw are rotatably connected to the side wall of the junction box, a driving plate is threadedly connected to the middle of the top wire bolt, and a connecting plate is arranged at the lower part of the driving plate, and the connection The lower part of the board is provided with a plurality of ejector rods, and the ejector rods are arranged on one side of the wire. 7.根据权利要求6所述的一种电力输电线路断点连接装置，其特征在于，所述顶线装置至少设有两组，且相邻顶线装置的顶线杆分别布置在导线的两侧，顶线时相邻的顶线装置向相反的方向移动，使导线呈连续的波浪形。7. A power transmission line breakpoint connection device according to claim 6, characterized in that, the top line device is provided with at least two groups, and the top line rods of adjacent top line devices are respectively arranged on two sides of the wire. When the top line is on the side, the adjacent top line device moves in the opposite direction, so that the wire is in a continuous wave shape. 8.根据权利要求1所述的一种电力输电线路断点连接装置，其特征在于，所述铜套上冲压有若干弹性压片，弹性压片的末端向铜套的内部弯折。8 . The device for connecting breakpoints of power transmission lines according to claim 1 , wherein a plurality of elastic pressing pieces are punched on the copper sleeve, and the ends of the elastic pressing pieces are bent toward the inside of the copper sleeve. 9 . 9.根据权利要求1所述的一种电力输电线路断点连接装置，其特征在于，所述安装槽上部和下部均设有旋转卡板，旋转卡板的一侧设有销轴，销轴与内衬活动连接，旋转卡板的末端位于接线盒的一侧。9. A power transmission line breakpoint connection device according to claim 1, wherein the upper and lower parts of the installation groove are provided with a rotating card plate, one side of the rotating card plate is provided with a pin, the pin Articulated with the inner liner, the end of the rotating card plate is located on one side of the junction box. 10.根据权利要求9所述的一种电力输电线路断点连接装置，其特征在于，所述旋转卡板两侧对称地连接有V形弹片，所述内衬一侧固定连接有与弹片相抵的固定挡块，弹片使旋转卡板在自然状态下保持竖直状态。10 . The device for connecting breakpoints of electric power transmission lines according to claim 9 , wherein the two sides of the rotating card are symmetrically connected with V-shaped elastic pieces, and one side of the inner lining is fixedly connected with the elastic pieces that are opposed to the elastic pieces. 11 . The fixed block, the shrapnel keeps the rotating card plate in a vertical state in a natural state.
CN202210180769.0A 2022-02-25 2022-02-25 A breakpoint connection device for power transmission lines Active CN114447657B (en)

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CN115377705A (en) * 2022-07-29 2022-11-22 国网山东省电力公司单县供电公司 Exempt from to crimp detachable binding post
CN115832785A (en) * 2022-12-22 2023-03-21 深圳市天罡微科技有限公司 PCB connector with lock catch
CN116111419A (en) * 2022-11-18 2023-05-12 青海送变电工程有限公司 A multi-split and different cross-section conductor continuous release and docking traction device for transmission lines

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CN208723106U (en) * 2018-08-23 2019-04-09 安徽钒波光电科技有限公司 A kind of radio-frequency cable connector convenient for assembling
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CN115832785A (en) * 2022-12-22 2023-03-21 深圳市天罡微科技有限公司 PCB connector with lock catch

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