CN214706268U

CN214706268U - Portable earth connection device of transformer substation

Info

Publication number: CN214706268U
Application number: CN202120573782.3U
Authority: CN
Inventors: 寇理臣; 汪阳; 陶涛; 陈琳; 李刚; 朱端阳; 屠一帆
Original assignee: Xuchang Power Supply Co of Henan Electric Power Co
Current assignee: Xuchang Power Supply Co of Henan Electric Power Co
Priority date: 2021-03-22
Filing date: 2021-03-22
Publication date: 2021-11-12
Anticipated expiration: 2031-03-22

Abstract

The utility model discloses a portable earth connection device of transformer substation, including conductor end, earth conductor and earthing terminal, the conductor end is connected with the earthing terminal through earth conductor, and the conductor end includes first wire clamp, second wire clamp and connecting portion, and connecting portion both sides are the fixed first wire clamp and the second wire clamp of being provided with respectively, and the connecting portion bottom is provided with binding post, and binding post connects earth conductor, and the earthing terminal includes fixed connection's first earth clamp and second earth clamp; in general, the utility model has the advantages of strong adaptability, wide application range, manpower and material resources conservation and risk reduction.

Description

Portable earth connection device of transformer substation

Technical Field

The utility model belongs to the technical field of the electric power overhauls, concretely relates to portable earth connection device of transformer substation.

Background

Install the earth connection on the substation equipment who overhauls, be the basic measure who guarantees maintainer personal safety, the quality of installing of earth connection is direct to the protection level to the maintainer, and traditional earth connection is often because conductor end and the required model, the size of installing the ground connection part mismatch when the operation for fortune dimension personnel make a round trip to come and go the station, need spend a large amount of time to operate, and not only inefficiency consumes manpower and materials, and has great traffic hidden danger risk.

Therefore, in order to solve the above problems, it is necessary to develop a portable grounding wire device for a substation.

SUMMERY OF THE UTILITY MODEL

The utility model aims at overcoming prior art's not enough, and provide a portable earth connection device of transformer substation, the earth connection scene is installed to compatible all transformer substations, avoids because model, size mismatch the trouble that causes.

The purpose of the utility model is realized like this: a portable grounding wire device of a transformer substation comprises a conductor end, a grounding wire and a grounding end, wherein the conductor end is connected with the grounding end through the grounding wire, the conductor end comprises a first wire clamp, a second wire clamp and a connecting part, the two sides of the connecting part are respectively and fixedly provided with the first wire clamp and the second wire clamp, the bottom end of the connecting part is provided with a wiring terminal, the wiring terminal is connected with the grounding wire, the first wire clamp comprises an inverted U-shaped clamp fixedly connected with the connecting part, the two inner side walls in the inverted U-shaped clamp are respectively articulated with an arc-shaped elastic wire clamp, the second wire clamp comprises a wire clamp seat fixedly connected with the connecting part, the outer side of the wire clamp seat is horizontally and fixedly provided with an upper wire clamp plate and a lower wire clamp plate, a movable wire clamp plate is arranged between the upper wire clamp plate and the lower wire clamp plate, and the lower wire clamp plate is provided with a threaded hole, a first screw rod penetrates through the threaded hole, the top end of the first screw rod is connected with the bottom end of a movable lead clamping plate, the grounding end comprises a first grounding wire clamp and a second grounding wire clamp which are fixedly connected, the first grounding wire clamp comprises a clamping plate connected with a grounding lead, a stud is arranged at the other end of the clamping plate, a butterfly nut is arranged on the stud through threads, a through hole is arranged at one end, far away from the clamping plate, of the stud, the second grounding wire clamp comprises a ground wire clamping seat connected with the first grounding wire clamp, a double-eye through hole is arranged on the ground wire clamping seat, the through hole of the first grounding wire clamp is connected with the double-eye through hole on the second grounding wire clamp through a fixing piece, an upper ground wire clamping plate and a lower ground wire clamping plate are arranged at the other side of the ground wire clamping seat, the movable ground wire clamping plate is arranged between the upper ground wire clamping plate and the lower ground wire clamping plate, and a threaded hole is formed in the lower ground wire clamping plate, a second screw rod penetrates through the threaded hole, and the top end of the second screw rod is connected with the bottom end of the movable ground wire clamping plate.

The diameter of the through hole on the first ground wire clamp is the same as that of the through hole on the second ground wire clamp.

The grounding conductor is a copper flexible wire phase-combination grounding conductor.

And the conductor end, the grounding lead and the grounding end are fixedly connected through bolts.

And the lower end surfaces of the upper wire clamping plate and the upper ground wire clamping plate are provided with upwards-concave wire grooves.

The number of the conductor ends is three, and the three conductor ends are respectively connected with a grounding wire.

The utility model has the advantages that: the utility model discloses in through setting up conductor end fastener to multiple according to the material of earthing terminal for conductor end fastener can be compatible all transformer substation and install the scene of earth connection, has solved the trouble that causes because model, size mismatch simultaneously, effectively improves work efficiency, uses manpower and materials sparingly, reduces the risk; in general, the utility model has the advantages of strong adaptability, wide application range, manpower and material resources conservation and risk reduction.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural diagram of the conductor terminal of the present invention.

Fig. 3 is a schematic structural diagram of the grounding terminal of the present invention.

In the figure: 1. the cable comprises a conductor end 2, a grounding conductor 3, a grounding end 11, a first conductor clamp 12, a second conductor clamp 13, a connecting part 14, a connecting terminal 111, an inverted U-shaped clamp 112, an elastic clamp 121, a conductor clamp seat 122, an upper conductor clamp plate 123, a lower conductor clamp plate 124, a movable conductor clamp plate 125, a first screw rod 31, a first grounding clamp 32, a second grounding clamp 311, a clamp plate 312, a stud 313, a butterfly nut 314, a through hole 321, a ground clamp seat 322, a double-eye through hole 323, an upper ground clamp plate 324, a lower ground clamp plate 325, a movable ground clamp plate 326 and a second screw rod.

Detailed Description

The technical scheme of the utility model is further explained in detail with the attached drawings.

As shown in fig. 1, 2 and 3, the portable grounding wire device for the transformer substation comprises a conductor end 1, a grounding wire 2 and a grounding end 3, wherein the conductor end 1 is connected with the grounding end 3 through the grounding wire 2, the grounding wire 2 is a copper flexible wire phase-locked grounding wire, the conductor end 1, the grounding wire 2 and the grounding end 3 are fixedly connected through bolts, and the number of the conductor ends 1 is three, and the three conductor ends are respectively connected with the grounding wire.

The conductor end 1 comprises a first wire clamp 11, a second wire clamp 12 and a connecting portion 13, the first wire clamp 11 and the second wire clamp 12 are fixedly arranged on two sides of the connecting portion 13 respectively, a wiring terminal 14 is arranged at the bottom end of the connecting portion 13, and the wiring terminal 14 is connected with the grounding conductor 2.

The first wire clamp 11 comprises an inverted U-shaped clamp 111 fixedly connected with the connecting part 13, and two inner side walls in the inverted U-shaped clamp 111 are respectively hinged with an arc-shaped elastic wire clamp 112; the second wire clamp 12 includes a wire clamp seat 121 fixedly connected to the connecting portion 13, an upper wire clamping plate 122 and a lower wire clamping plate 123 are horizontally and fixedly disposed on the outer side of the wire clamp seat 121, a wire slot which is concave upward is disposed on the lower end surface of the upper wire clamping plate 122, a movable wire clamping plate 124 is disposed between the upper wire clamping plate 122 and the lower wire clamping plate 123, a threaded hole is formed in the lower wire clamping plate 123, a first screw rod 125 penetrates through the threaded hole, and the top end of the first screw rod 125 is connected to the bottom end of the movable wire clamping plate 124.

Wherein, the ground terminal 3 comprises a first ground clip 31 and a second ground clip 32 which are fixedly connected; the first ground clamp 31 comprises a clamp plate 311 connected with the ground lead 2, a stud 312 is arranged at the other end of the clamp plate 311, a butterfly nut 313 is arranged on the stud 312 through threads, and a through hole 314 is formed in one end, far away from the clamp plate 311, of the stud 312.

Wherein the second ground clip 32 includes a ground clip seat 321 connected to the first ground clip 31, the ground wire clamp seat 321 is provided with a double-hole through hole 322, the diameter of the through hole 314 on the first ground wire clamp 31 is the same as that of the double-hole through hole 322 on the second ground wire clamp 32, the through hole 314 of the first ground clip 31 is connected with the through hole 322 of the second ground clip 32 by a fixing member, the fixing member may be implemented by bolts, etc., and the other side of the ground clamp seat 321 is provided with an upper ground clamp plate 323 and a lower ground clamp plate 324, a wire groove which is concave upwards is arranged on the lower end surface of the upper ground wire clamping plate 323, a movable ground wire clamping plate 325 is arranged between the upper ground wire clamping plate 323 and the lower ground wire clamping plate 324, a threaded hole is formed in the ground wire clamping plate 324, a second screw 326 penetrates through the threaded hole, and the top end of the second screw 326 is connected with the bottom end of the movable ground wire clamping plate 325.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a portable earth connection of transformer substation device which characterized in that: the cable comprises a conductor end (1), a grounding wire (2) and a grounding end (3), wherein the conductor end (1) is connected with the grounding end (3) through the grounding wire (2); the conductor end (1) comprises a first wire clamp (11), a second wire clamp (12) and a connecting part (13), the first wire clamp (11) and the second wire clamp (12) are fixedly arranged on two sides of the connecting part (13) respectively, a wiring terminal (14) is arranged at the bottom end of the connecting part (13), and the wiring terminal (14) is connected with the grounding conductor (2); the first wire clamp (11) comprises an inverted U-shaped clamp (111) fixedly connected with the connecting part (13), and two inner side walls in the inverted U-shaped clamp (111) are respectively hinged with an arc-shaped elastic wire clamp (112); the second wire clamp (12) comprises a wire clamp seat (121) fixedly connected with the connecting part (13), an upper wire clamping plate (122) and a lower wire clamping plate (123) are horizontally and fixedly arranged on the outer side of the wire clamp seat (121), a movable wire clamping plate (124) is arranged between the upper wire clamping plate (122) and the lower wire clamping plate (123), a threaded hole is formed in the lower wire clamping plate (123), a first screw rod (125) penetrates through the threaded hole, and the top end of the first screw rod (125) is connected with the bottom end of the movable wire clamping plate (124); the grounding end (3) comprises a first grounding wire clamp (31) and a second grounding wire clamp (32) which are fixedly connected, the first grounding wire clamp (31) comprises a clamping plate (311) connected with the grounding wire (2), a stud (312) is arranged at the other end of the clamping plate (311), a butterfly nut (313) is arranged on the stud (312) through threads, and a through hole (314) is arranged at one end, far away from the clamping plate (311), of the stud (312); the second ground clamp (32) comprises a ground clamp seat (321) connected with the first ground clamp (31), a double-hole through hole (322) is formed in the ground clamp seat (321), the through hole (314) of the first ground clamp (31) is connected with the double-hole through hole (322) in the second ground clamp (32) through a fixing piece, an upper ground clamp plate (323) and a lower ground clamp plate (324) are arranged on the other side of the ground clamp seat (321), a movable ground clamp plate (325) is arranged between the upper ground clamp plate (323) and the lower ground clamp plate (324), a threaded hole is formed in the lower ground clamp plate (324), a second screw rod (326) penetrates through the threaded hole, and the top end of the second screw rod (326) is connected with the bottom end of the movable ground clamp plate (325).

2. A substation portable earthing device according to claim 1, characterized in that: the through hole (314) on the first grounding wire clamp (31) and the double-hole through hole (322) on the second grounding wire clamp (32) have the same diameter.

3. A substation portable earthing device according to claim 1, characterized in that: the grounding conductor (2) is a copper flexible wire phase-combination type grounding conductor.

4. A substation portable earthing device according to claim 1, characterized in that: the conductor end (1), the grounding lead (2) and the grounding end (3) are fixedly connected through bolts.

5. A substation portable earthing device according to claim 1, characterized in that: and the lower end surfaces of the upper wire clamping plate (122) and the upper ground wire clamping plate (323) are provided with upwards-concave wire grooves.

6. A substation portable earthing device according to claim 1, characterized in that: the number of the conductor ends (1) is three, and the three conductor ends are respectively connected with a grounding wire.