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CN110364852A - A kind of middle-placed switch cabinet Special grounding wire - Google Patents

A kind of middle-placed switch cabinet Special grounding wire Download PDF

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Publication number
CN110364852A
CN110364852A CN201910689405.3A CN201910689405A CN110364852A CN 110364852 A CN110364852 A CN 110364852A CN 201910689405 A CN201910689405 A CN 201910689405A CN 110364852 A CN110364852 A CN 110364852A
Authority
CN
China
Prior art keywords
connecting pin
switch cabinet
equipment connecting
fixed plate
placed switch
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.)
Pending
Application number
CN201910689405.3A
Other languages
Chinese (zh)
Inventor
吴寒江
张好勇
高玉华
张东亮
赵雨
刘景宇
梁毅涵
陈仰超
毕影娇
王正
高树军
赵志军
李铠
史彦军
冀辉
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.)
State Grid Corp of China SGCC
Langfang Power Supply Co of State Grid Jibei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Langfang Power Supply Co of State Grid Jibei Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, Langfang Power Supply Co of State Grid Jibei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201910689405.3A priority Critical patent/CN110364852A/en
Publication of CN110364852A publication Critical patent/CN110364852A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01BCABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
    • H01B7/00Insulated conductors or cables characterised by their form
    • H01B7/17Protection against damage caused by external factors, e.g. sheaths or armouring
    • H01B7/18Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/502Bases; Cases composed of different pieces
    • H01R13/512Bases; Cases composed of different pieces assembled by screw or screws
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631Additional 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
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66Structural association with built-in electrical component
    • H01R13/665Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R31/00Coupling parts supported only by co-operation with counterpart
    • H01R31/06Intermediate parts for linking two coupling parts, e.g. adapter
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-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
    • H01R4/28Clamped connections, spring connections
    • H01R4/30Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/36Conductive members located under tip of screw
    • H01R4/363Conductive members located under tip of screw with intermediate part between tip and conductive member
    • H01R4/366Conductive members located under tip of screw with intermediate part between tip and conductive member intermediate part attached to the tip of the screw

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Elimination Of Static Electricity (AREA)

Abstract

The application provides a kind of middle-placed switch cabinet Special grounding wire, including ground terminal, equipment connecting pin and the connecting line for connecting ground terminal and equipment connecting pin;Equipment connecting pin includes support frame, conductive contact finger group and fastening spring;Support frame includes the first fixed plate, the second fixed plate and fixing bolt;First fixed plate and the second fixed plate corresponding position are equipped with the big through-holes such as diameter;The periphery of first fixed plate and the periphery of the second fixed plate are equipped with multiple fingertip card slots;Conductive contact finger group is removably connected in fingertip card slot;The number of conductive contact finger group is 5;5 conductive contact finger groups are arranged at least one circle fastening spring far from the side of through-hole.The application's by ground terminal with ground strip the utility model has the advantages that arranging when overhauling middle-placed switch cabinet or grounding body being fixed, equipment connecting pin is directly placed on outside middle-placed switch cabinet static contact, can effectively guarantee the personal safety of service personnel.

Description

A kind of middle-placed switch cabinet Special grounding wire
Technical field
This application involves electric power tool technical field more particularly to a kind of middle-placed switch cabinet Special grounding wires.
Background technique
Middle-placed switch cabinet equipment is widely used in the change of 10kV and 35kV voltage class, power distribution network, and major function is to route, capacitor Device stands and is cut-off, controlled and protected with equipment such as changes.With socio-economic development, network load constantly increases, middle-placed switch cabinet number Amount increases year by year, and what is generated therewith is heavy middle-placed switch cabinet maintenance, maintenance work.When overhauling middle-placed switch cabinet, to ensure personal safety, It needs in job site hanging ground-wire or closes grounding switch.The wherein static contact defect in processing 10kV bus defect, middle-placed switch cabinet When, middle-placed switch cabinet does not have bus grounding disconnecting link, and needing to carry additionally temporarily line can work.But conventional ground line is when in use, Earthing clamp is clamped on the busbar being connected with static contact, the 10kv busbar number of plies is more, thickness is thicker, causes clamping difficult very It can not extremely clamp;It is on 10kv busbar to be cased with insulating sheath more, it also needs to open insulating sheath before hanging earthing conductor and even cut It opens, removing ground line will also be restored later, time-consuming and laborious.Therefore, it is badly in need of designing a kind of direct without contacting with busbar The dedicated ground line of the middle-placed switch cabinet being in contact with middle-placed switch cabinet static contact.
Summary of the invention
The purpose of the application is in view of the above problems, providing a kind of middle-placed switch cabinet Special grounding wire.
The application provides a kind of middle-placed switch cabinet Special grounding wire, including ground terminal, equipment connecting pin and connection ground terminal and The connecting line of equipment connecting pin;Equipment connecting pin includes support frame, conductive contact finger group and fastening spring;Support frame includes parallel The first fixed plate and the second fixed plate being arranged;Fixing bolt is equipped between first fixed plate and the second fixed plate;First is fixed Plate and the second fixed plate corresponding position are equipped with the big through-holes such as diameter;The periphery of the periphery of first fixed plate and the second fixed plate It is equipped with multiple fingertip card slots;Conductive contact finger group is removably connected in fingertip card slot;The number of conductive contact finger group is 5;5 A conductive contact finger group is arranged at least one circle fastening spring far from the side of through-hole;Conductive contact finger group includes 2 two and is set side by side Conductive contact finger;Conductive contact finger is equipped with the first lug boss of arcuation in the side close to through-hole.By using above-mentioned technical proposal, When overhauling middle-placed switch cabinet, ground terminal is arranged with ground strip or grounding body is fixed, equipment connecting pin is directly placed on middle-placed switch cabinet stationary contact Head is outer, can effectively guarantee the personal safety of service personnel;By the way that equipment connecting pin is arranged, the conduction of equipment connecting pin is touched Finger is directly contacted with middle-placed switch cabinet static contact, can not be influenced by the busbar number of plies and thickness and be not necessarily to remove the insulating sheath of busbar; By setting fastening spring and the first lug boss, can prevent conductive contact finger from falling off, at the same provide clamping force make equipment connecting pin with Middle-placed switch cabinet static contact effectively connects.
According to the technical solution that the application some embodiments provide, conductive contact finger is equipped at least one far from the side of through-hole Groove;Fastening spring is connected in groove.
According to the technical solution that the application some embodiments provide, middle-placed switch cabinet Special grounding wire further includes insulating bar; Equipment connecting pin pedestal is installed on insulating bar;Equipment connecting pin is installed on the pedestal of equipment connecting pin;Equipment connecting pin The lateral wall of pedestal is equipped with the first connection bolt;The one end of connecting line far from ground terminal is connected with the first connection bolt.
According to the technical solution that the application some embodiments provide, equipment connecting pin pedestal is in hollow cylindric;Equipment Connecting pin pedestal is equipped with annular recess close to the side of equipment connecting pin;Conductive contact finger is additionally provided with second in the side close to through-hole Lug boss;Second lug boss is arranged in annular recess.
According to the technical solution that the application some embodiments provide, it is equipped between equipment connecting pin pedestal and insulating bar Electroscopic device;Electroscopic device includes electroscope and metal probe;Electroscope is fixed on the top of insulating bar;Metal probe peace Top loaded on electroscope;Metal probe is electrically connected with electroscope;Electrical verification spring is arranged on metal probe;Electrical verification spring extends To the outside of equipment connecting pin.
According to the technical solution that the application some embodiments provide, ground terminal includes U-clamp head;U-clamp head includes first Fixed arm, the second fixed arm and the linking arm for connecting the first fixed arm and the second fixed arm;Linking arm is equipped with the second wiring Bolt;The one end of connecting line far from equipment connecting pin is connected with the second connection bolt;Clamp clip is equipped in U-clamp head opening; Clamp clip is arranged in parallel with the first fixed arm;Clamp clip is equipped with augering screw far from the side of the first fixed arm;Augering screw is worn It crosses the second fixed arm and is threadedly coupled with the second fixed arm, to adjust the spacing between the first fixed arm and clamp clip;Promote spiral shell Bar is equipped with far from the side of clamp clip and tightens bar;Augering screw is vertically arranged with bar is tightened.
According to the technical solution that the application some embodiments provide, the first fixed arm is equipped with solid in the side close to clamp clip Determine groove.
According to the technical solution that the application some embodiments provide, connecting line is twisted for strand copper wire;Connecting line Outside is coated with transparent insulation pipe.
According to the technical solution that the application some embodiments provide, insulating bar is equipped with far from the side of equipment connecting pin Anti-slip cover;The outer surface of Anti-slip cover is close to set multiple hemispherical protuberances.
The application's by ground terminal with ground strip the utility model has the advantages that arranging when overhauling middle-placed switch cabinet or grounding body being fixed, by equipment Connecting pin is directly placed on outside middle-placed switch cabinet static contact, can effectively guarantee the personal safety of service personnel;Connected by setting equipment End is connect, the conductive contact finger of equipment connecting pin is directly contacted with middle-placed switch cabinet static contact, can not be influenced by the busbar number of plies and thickness And the insulating sheath without removing busbar;By setting fastening spring and the first lug boss, it can prevent conductive contact finger from falling off, simultaneously There is provided clamping force connect equipment connecting pin effectively with middle-placed switch cabinet static contact.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of middle-placed switch cabinet Special grounding wire provided by the embodiments of the present application;
Fig. 2 is the structural schematic diagram of the first fixed plate of middle-placed switch cabinet Special grounding wire provided by the embodiments of the present application;
Fig. 3 is the structural schematic diagram of the conductive contact finger of middle-placed switch cabinet Special grounding wire provided by the embodiments of the present application;
Fig. 4 is the structural schematic diagram of the equipment connecting pin pedestal of middle-placed switch cabinet Special grounding wire provided by the embodiments of the present application;
Fig. 5 is the structural schematic diagram of the electroscopic device of middle-placed switch cabinet Special grounding wire provided by the embodiments of the present application.
Label character described in figure indicates are as follows:
1, connecting line;2, the first fixed plate;3, the second fixed plate;4, fixing bolt;5, fingertip card slot;6, conductive contact finger; 7, the first lug boss;8, the second lug boss;9, groove;10, fastening spring;11, insulating bar;12, equipment connecting pin pedestal; 13, the first connection bolt;14, annular recess;15, Anti-slip cover;16, hemispherical protuberances;17, electroscopic device;18, electroscope;19, Metal probe;20, electrical verification spring;21, the first fixed arm;22, the second fixed arm;23, linking arm;24, the second connection bolt; 25, clamp clip;26, fixed groove;27, augering screw;28, bar is tightened.
Specific embodiment
In order to make those skilled in the art more fully understand the technical solution of the application, with reference to the accompanying drawing to the application into Row detailed description, the description of this part be only it is exemplary and explanatory, should not have any limitation to the protection scope of the application Effect.
As shown in Figure 1 to Figure 3, the present embodiment provides a kind of middle-placed switch cabinet Special grounding wires, including ground terminal, equipment connecting pin And the connecting line 1 of connection ground terminal and equipment connecting pin;Equipment connecting pin with middle-placed switch cabinet static contact for contacting, equipment connection End includes support frame, conductive contact finger group and fastening spring 10;Support frame includes that the first fixed plate 2 and second disposed in parallel is solid Fixed board 3;Fixing bolt 4 is equipped between first fixed plate 2 and the second fixed plate 3, by the way that fixing bolt 4 is passed through the first fixed plate 2 and second fixed plate 3 first fixed plate 2 and the second fixed plate 3 is fixed;3 corresponding positions of first fixed plate 2 and the second fixed plate It sets and is equipped with the big through-holes such as diameter;The periphery of first fixed plate 2 and the periphery of the second fixed plate 3 are equipped with multiple fingertip card slots 5;Conductive contact finger group is removably connected in fingertip card slot 5;The number of conductive contact finger group is 5, each conductive contact finger group packet Include 2 conductive contact fingers being set side by side 6;Conductive contact finger 6 is equipped with the first of arcuation in the side of the through-hole close to the first fixed plate 2 Lug boss 7, the side close to the through-hole of the second fixed plate 3 are equipped with the second lug boss 8;Conductive contact finger 6 is set far from the side of through-hole There is at least one groove 9, in the present embodiment, be equipped with 4 grooves 9 altogether, wherein 2 grooves 9 are located at close to the first lug boss 7 One end, in addition 2 grooves 9 are located at close to one end of the second lug boss 8;5 conductive contact finger groups are arranged with far from the side of through-hole At least one circle fastening spring 10 is equipped with 2 circle fastening springs 10 in the present embodiment altogether, wherein 1 circle fastening spring 10 is set in and leans on In the groove 9 of nearly first lug boss, 7 one end, another 1 circle fastening spring 10 is set in the groove 9 of 8 one end of the second lug boss. By setting equipment connecting pin, the conductive contact finger 6 of equipment connecting pin is directly contacted with middle-placed switch cabinet static contact, it can not be by busbar layer Several and thickness influences and the insulating sheath without removing busbar;By setting fastening spring 10 and the first lug boss 7, can prevent Conductive contact finger 6 falls off, while providing clamping force connect equipment connecting pin effectively with middle-placed switch cabinet static contact.
Please further refer to Fig. 4, in a preferred embodiment, middle-placed switch cabinet Special grounding wire further includes insulating bar 11; Equipment connecting pin pedestal 12 is installed on insulating bar 11;Equipment connecting pin is installed on equipment connecting pin pedestal 12;Equipment The lateral wall of connecting pin pedestal 12 is equipped with 2 the first connection bolts 13;Equipment connecting pin pedestal 12 is in hollow cylindric;If Standby connecting pin pedestal 12 is equipped with annular recess 14 close to the side of equipment connecting pin;Second lug boss 8 is arranged in annular recess 14 It is interior;Insulating bar 11 is equipped with Anti-slip cover 15 far from the side of equipment connecting pin;The outer surface of Anti-slip cover 15 is close to set multiple hemisphere Shape protrusion 16.The setting of insulating bar 11 facilitates operator to mount equipment connecting pin and middle-placed switch cabinet static contact.
Please further refer to Fig. 5, in a preferred embodiment, set between equipment connecting pin pedestal 12 and insulating bar 11 There is electroscopic device 17;Electroscopic device 17 includes electroscope 18 and metal probe 19;Electroscope 18 is fixed on insulating bar 11 Top;Metal probe 19 is installed on the top of electroscope 18;Metal probe 19 is electrically connected with electroscope 18;It is covered on metal probe 19 Equipped with electrical verification spring 20;Electrical verification spring 20 extends to the outside of equipment connecting pin.The setting of electroscopic device 17 is on mounting ground Electrical verification is carried out to equipment in middle-placed switch cabinet before line, live connection of ground wire is prevented, to guarantee the personal safety of operator.
In a preferred embodiment, ground terminal includes U-clamp head;U-clamp head includes the first fixed arm 21, the second fixed arm 22 and connect the first fixed arm 21 and the second fixed arm 22 linking arm 23;Linking arm 23 is equipped with 2 the second connection bolts 24;Clamp clip 25 is equipped in U-clamp head opening;Clamp clip 25 is arranged in parallel with the first fixed arm 21;First fixed arm 21 is in leaning on The side of nearly clamp clip 25 is equipped with fixed groove 26, and the section of fixed groove 26 is in arc-shaped, and the setting of fixed groove 26 is advantageous In preferably dead earth row or grounding body;Clamp clip 25 is equipped with augering screw 27 far from the side of the first fixed arm 21;It promotes Screw rod 27 passes through the second fixed arm 22 and is threadedly coupled with the second fixed arm 22, and augering screw 27 is set far from the side of clamp clip 25 Tighten bar 28;Augering screw 27 is vertically arranged with bar 28 is tightened;Tightening bar 28 by rotation drives augering screw 27 to rotate, with The spacing between the first fixed arm 21 and clamp clip 25 is adjusted, to adapt to the earthing bar or grounding body of different-thickness, prevents from connecing Ground terminal falls off, and guarantees that ground terminal is effectively connect with earthing bar or grounding body.
In a preferred embodiment, one end of connecting line 1 is connected with the first connection bolt 13, the other end and the second wiring Bolt 24 is connected;Connecting line 1 is that multiply annealed copper wire is twisted;The outside of connecting line 1 is coated with transparent insulation pipe, prevents copper Line wears, is stranded.
Middle-placed switch cabinet Special grounding wire provided in this embodiment when in use, firstly, bar 28 is tightened in rotation, adjusts clamp clip 25 The distance between first fixed arm 21, is fixed on ground terminal for earthing bar or grounding body;Secondly, hand-held 11 band of insulating bar There is one end of Anti-slip cover 15, the other end is protruded into inside middle-placed switch cabinet, electrical verification is carried out to middle-placed switch cabinet by electroscopic device 17, confirms nothing When electric, equipment connecting pin is socketed on to the outside of middle-placed switch cabinet static contact, conductive contact finger 6 is effectively connect with middle-placed switch cabinet contact.
Middle-placed switch cabinet Special grounding wire provided in this embodiment, when overhauling middle-placed switch cabinet, by arranging ground terminal and ground strip Or grounding body is fixed, and equipment connecting pin is directly placed on outside middle-placed switch cabinet static contact, can effectively guarantee the person of service personnel Safety;By the way that equipment connecting pin is arranged, the conductive contact finger 6 of equipment connecting pin is directly contacted with middle-placed switch cabinet static contact, it can not be by The influence of the busbar number of plies and thickness and the insulating sheath without removing busbar;By the way that fastening spring 10 and the first lug boss 7 is arranged, It can prevent conductive contact finger 6 from falling off, while providing clamping force connect equipment connecting pin effectively with middle-placed switch cabinet static contact;Pass through setting Insulating bar 11 facilitates operator to mount equipment connecting pin and middle-placed switch cabinet static contact;By the way that electroscopic device 17 is arranged, use In carrying out electrical verification to equipment in middle-placed switch cabinet before hanging earthing conductor, live connection of ground wire is prevented, to guarantee the person of operator Safety;By coating transparent insulation pipe in the external of connecting line 1, it can prevent copper wire from wearing, is stranded.The middle-placed switch cabinet Special grounding wire Installation is simple, can person peace of the effective guarantee operator in maintenance, maintenance work suitable for the middle-placed switch cabinet of various models Entirely.
It should be noted that electroscope 18 is existing conventional techniques, the application is repeated no more.
Specific examples are used herein to illustrate the principle and implementation manner of the present application, and above embodiments are said It is bright to be merely used to help understand the present processes and its core concept.The above is only the preferred embodiment of the application, It should be pointed out that due to the finiteness of literal expression, and objectively there is unlimited specific structure, for the common of the art For technical staff, without departing from the principle of the present invention, can also make it is several improve, retouching or variation, can also be with Above-mentioned technical characteristic is combined in the right way;These improve retouching, variation or combination, or not improved by invention Conception and technical scheme directly apply to other occasions, are regarded as the protection scope of the application.

Claims (9)

1. a kind of middle-placed switch cabinet Special grounding wire, which is characterized in that including ground terminal, equipment connecting pin and the connection ground terminal With the connecting line (1) of the equipment connecting pin;The equipment connecting pin includes support frame, conductive contact finger group and fastening spring (10);Support frame as described above includes the first fixed plate (2) disposed in parallel and the second fixed plate (3);First fixed plate (2) and Fixing bolt (4) are equipped between second fixed plate (3);First fixed plate (2) and second fixed plate (3) are corresponding Position is equipped with the big through-holes such as diameter;The periphery of first fixed plate (2) and the periphery of second fixed plate (3) are all provided with There are multiple fingertip card slots (5);The conductive contact finger group is removably connected in the fingertip card slot (5);The conductive contact finger The number of group is 5;5 conductive contact finger groups are arranged at least one circle fastening spring (10) far from the side of the through-hole; The conductive contact finger group includes 2 two conductive contact fingers being set side by side (6);The conductive contact finger (6) is in close to the through-hole Side is equipped with the first lug boss (7) of arcuation.
2. middle-placed switch cabinet Special grounding wire according to claim 1, which is characterized in that the conductive contact finger (6) is far from described The side of through-hole is equipped at least one groove (9);The fastening spring (10) is connected in the groove (9).
3. middle-placed switch cabinet Special grounding wire according to claim 1, which is characterized in that further include insulating bar (11);Institute It states and equipment connecting pin pedestal (12) is installed on insulating bar (11);The equipment connecting pin is installed on the equipment connecting pin On pedestal (12);The lateral wall of equipment connecting pin pedestal (12) is equipped with the first connection bolt (13);The connecting line (1) One end far from the ground terminal is connected with first connection bolt (13).
4. middle-placed switch cabinet Special grounding wire according to claim 3, which is characterized in that equipment connecting pin pedestal (12) is in Hollow is cylindric;Equipment connecting pin pedestal (12) is equipped with annular recess (14) close to the side of the equipment connecting pin; The conductive contact finger (6) is additionally provided with the second lug boss (8) in the side close to the through-hole;Second lug boss (8) card is set In the annular recess (14).
5. middle-placed switch cabinet Special grounding wire according to claim 3, which is characterized in that equipment connecting pin pedestal (12) with Electroscopic device (17) are equipped between the insulating bar (11);The electroscopic device (17) includes that electroscope (18) and metal are visited Head (19);The electroscope (18) is fixed on the top of the insulating bar (11);The metal probe (19) is installed on institute State the top of electroscope (18);The metal probe (19) is electrically connected with the electroscope (18);On the metal probe (19) It is arranged with electrical verification spring (20);The electrical verification spring (20) extends to the outside of the equipment connecting pin.
6. middle-placed switch cabinet Special grounding wire according to claim 1, which is characterized in that the ground terminal includes U-clamp head;Institute Stating U-clamp head includes the first fixed arm (21), the second fixed arm (22) and connection first fixed arm (21) and described the The linking arm (23) of two fixed arms (22);The linking arm (23) is equipped with the second connection bolt (24);The connecting line (1) is remote One end from the equipment connecting pin is connected with second connection bolt (24);It is equipped with and clamps in the U-clamp head opening Piece (25);The clamp clip (25) is arranged in parallel with first fixed arm (21);The clamp clip (25) is far from described first The side of fixed arm (21) is equipped with augering screw (27);The augering screw (27) pass through second fixed arm (22) and with institute The second fixed arm (22) threaded connection is stated, to adjust the spacing between first fixed arm (21) and the clamp clip (25); The augering screw (27) is equipped with far from the side of the clamp clip (25) and tightens bar (28);The augering screw (27) with it is described Bar (28) is tightened to be vertically arranged.
7. middle-placed switch cabinet Special grounding wire according to claim 6, which is characterized in that first fixed arm (21) is in close The side of the clamp clip (25) is equipped with fixed groove (26).
8. middle-placed switch cabinet Special grounding wire according to claim 1, which is characterized in that the connecting line (1) is strand copper wire It is twisted;The outside of the connecting line (1) is coated with transparent insulation pipe.
9. middle-placed switch cabinet Special grounding wire according to claim 3, which is characterized in that the insulating bar (11) is far from institute The side for stating equipment connecting pin is equipped with Anti-slip cover (15);The outer surface of the Anti-slip cover (15) is close to set multiple hemispherical protuberances (16)。
CN201910689405.3A 2019-07-29 2019-07-29 A kind of middle-placed switch cabinet Special grounding wire Pending CN110364852A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910689405.3A CN110364852A (en) 2019-07-29 2019-07-29 A kind of middle-placed switch cabinet Special grounding wire

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910689405.3A CN110364852A (en) 2019-07-29 2019-07-29 A kind of middle-placed switch cabinet Special grounding wire

Publications (1)

Publication Number Publication Date
CN110364852A true CN110364852A (en) 2019-10-22

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Application Number Title Priority Date Filing Date
CN201910689405.3A Pending CN110364852A (en) 2019-07-29 2019-07-29 A kind of middle-placed switch cabinet Special grounding wire

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110808549A (en) * 2019-12-09 2020-02-18 国网辽宁省电力有限公司鞍山供电公司 Adjustable grounding device for centrally installed switchgear and use method thereof
CN112003037A (en) * 2020-07-13 2020-11-27 深圳供电局有限公司 Switch grounding device in cabinet

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN203014247U (en) * 2012-11-28 2013-06-19 荥阳市电业局 Tong-type ground-wire-connecting device
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CN206524574U (en) * 2017-01-20 2017-09-26 马坤俊 Handcart switch cabinet Portable grounding wire clip
CN209948133U (en) * 2019-07-29 2020-01-14 国网冀北电力有限公司廊坊供电公司 Special grounding wire for centrally installed switchgear

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CN203014247U (en) * 2012-11-28 2013-06-19 荥阳市电业局 Tong-type ground-wire-connecting device
CN103441353A (en) * 2013-09-12 2013-12-11 国家电网公司 Universal ground lead for 110 kilovolt overhead line strain tower
CN103944094A (en) * 2014-05-14 2014-07-23 国家电网公司 10-kV handcart switch cabinet bus fixed contact ground method and special grounding device thereof
CN206524574U (en) * 2017-01-20 2017-09-26 马坤俊 Handcart switch cabinet Portable grounding wire clip
CN209948133U (en) * 2019-07-29 2020-01-14 国网冀北电力有限公司廊坊供电公司 Special grounding wire for centrally installed switchgear

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