CN212162118U - Grounding wire assembly - Google Patents

Grounding wire assembly Download PDF

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Publication number
CN212162118U
CN212162118U CN202020649426.0U CN202020649426U CN212162118U CN 212162118 U CN212162118 U CN 212162118U CN 202020649426 U CN202020649426 U CN 202020649426U CN 212162118 U CN212162118 U CN 212162118U
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China
Prior art keywords
wire
grounding
auxiliary
grounding wire
assembly
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CN202020649426.0U
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Chinese (zh)
Inventor
尹春鹏
许剑锋
李雪梅
李海雨
马骁
何向飞
范志明
王伟
付智
田野
唐全
吴江
刘长林
王冰洋
岳帅
周伟
姜海洋
董天颖
郭智慧
高静
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State Grid Corp of China SGCC
Chengde Power Supply Co of State Grid Jibei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Chengde Power Supply Co of State Grid Jibei Electric Power Co Ltd
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Priority to CN202020649426.0U priority Critical patent/CN212162118U/en
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Abstract

The utility model discloses an earth connection subassembly, including a plurality of patchcords that are connected with the lead wire dismantled and assembled, each the low reaches one-to-one of earth connection stick and dismantled and assembled is connected with vice earth connection, still including the combination joint, each the tail end of vice earth connection dismantled and assembled connect in on the combination joint, the low reaches that the combination connects are provided with the ground connection clamp with the ground connection terminal adaptation, the combination joint with dismantled and assembled are connected with main earth connection between the ground connection clamp. The structure of this earth connection subassembly is exquisite, and the dismouting warehousing and transportation is nimble convenient and operating mode adaptability is stronger.

Description

Grounding wire assembly
Technical Field
The utility model relates to a power transmission and transformation circuit supporting equipment field, in particular to earth connection subassembly.
Background
The ground wire is an important cable tool for ensuring staff when voltage unexpectedly appears on the power-off equipment and lines. In the operation process of the current power transmission and transformation system, when power failure maintenance needs to be carried out on a high-voltage line and electrical equipment, in order to prevent accidental power transmission and accidental reverse power transmission of a secondary system, and in order to eliminate induced electricity in other aspects and ensure the safety of operators, a necessary temporary grounding wire is arranged at the outer end of a part to be maintained, and the temporary grounding wire has the function of enabling a working place to be in ground potential protection, namely reliably grounding the line and simultaneously preventing residual charges and induced charges from damaging human bodies.
However, the related assembly structure of the existing grounding wire is limited by the structure of the grounding wire, most of the related assembly structures are heavy, the assembly is inconvenient to carry and disassemble, and the existing grounding wire cannot be disassembled, so that the related assembly structure cannot simply and efficiently adapt to the line operation requirement of only single-phase grounding under individual working conditions; in addition, under the working condition that the distance between some system devices is large, the connection operation difficulty of related lines is large due to the fact that the length of the grounding wire is limited, and the grounding wire and related devices are inconvenient to install and connect.
Therefore, how to provide a grounding wire assembly with exquisite structure, flexible and convenient disassembly, assembly, storage and transportation and strong working condition adaptability is an important technical problem which needs to be solved by technical personnel in the field at present.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an earth connection subassembly, the structure of this earth connection subassembly is exquisite, and dismouting warehousing and transportation is nimble convenient and operating mode adaptability is stronger.
In order to solve the technical problem, the utility model provides an earth connection subassembly, including a plurality of patchcords that are connected with the lead wire dismantled and assembled, each the low reaches one-to-one of patchcord stick and dismantled and assembled is connected with vice earth connection, still including the combination joint, each the tail end of vice earth connection dismantled and assembled connect in on the combination joint, the low reaches of combination joint be provided with the ground connection clamp of ground terminal adaptation, the combination joint with be connected with main earth connection dismantled and assembled between the ground connection clamp.
Preferably, the winding device further comprises an auxiliary winding shaft adapted to correspond to each auxiliary grounding wire in a one-to-one correspondence manner, and each auxiliary grounding wire is wound on the auxiliary winding shaft in a retractable manner.
Preferably, the ground wire winding device further comprises a main winding shaft aligned with the main ground wire, and the main ground wire is wound on the main winding shaft in a retractable manner.
Preferably, the wire connecting rod comprises a lead clamp with an opening at the side part, the bottom of the lead clamp vertically penetrates through the lead clamp and is axially movably in threaded fit with an insulating rod, a clamping table in contact fit with the lead is arranged at the insertion end of the insulating rod, the lead is detachably clamped and fixed between the clamping table and the inner wall of the top part of the lead clamp, and a lead terminal detachably connected with the secondary ground wire is fastened on the outer wall of the lead clamp through a screw.
Preferably, the outer end of the insulation rod is sleeved with an insulation sheath.
Preferably, T-shaped joints are fastened and fixed at two ends of the auxiliary grounding wire and two ends of the main grounding wire in a pressure-equalizing manner, and inclined surface rails detachably matched with the T-shaped joints are arranged on each matching piece connected with the ends of the auxiliary grounding wire and the main grounding wire.
Preferably, an extension ground wire wound on an extension winding shaft in a retractable manner is detachably connected between the upstream of the auxiliary ground wire and the terminal rod and/or between the downstream of the auxiliary ground wire and the combined joint, and the extension ground wire and the auxiliary ground wire are detachably connected through the extension joint.
Above-mentioned background art relatively, the utility model provides an earth connection subassembly, in its assembly use, according to the operating condition needs, counterpoint with the vice earth connection of different specification and dimension and quantity is connected in each terminal bar low reaches, counterpoint in order such as will make up joint and main earth connection again and connect the equipment, later through connecting in the terminal ground clamp reliable ground of main earth connection, the terminal bar after will accomplishing the low reaches subassembly equipment at last reliably connects in the lead wire that corresponds, can accomplish the reliable ground operation of lead wire. The whole assembly is simple and reliable in structure, different requirements of actual working conditions can be met, the connection quantity and the assembly mode of all the matching pieces in the assembly can be flexibly adjusted through the wire connecting rod, the auxiliary grounding wire, the detachable connection structure between the combined joint and the main grounding wire, the assembly structure can meet the operation requirements of the actual working conditions such as different equipment sizes and cable spans, the phenomena that the length of the grounding wire is insufficient or the assembly of the grounding wire assembly is inconvenient and the like are avoided, the working condition adaptability of the grounding wire assembly is remarkably improved, the assembly and disassembly of all the assemblies are flexible and simple, the operation difficulty in the actual operation can be greatly reduced, the phenomenon of storage and transportation inconvenience caused by the fact that the assemblies cannot be disassembled is avoided, the assembly and disassembly and storage efficiency of the grounding wire assembly is greatly.
In another preferred embodiment of the present invention, the ground wire assembly further includes an auxiliary winding shaft adapted to correspond to each of the auxiliary ground wires one to one, and each of the auxiliary ground wires is wound on the auxiliary winding shaft in a retractable manner. In practical application, the auxiliary grounding wire can be firstly tightly wound on the auxiliary winding shaft, and then the auxiliary grounding wire is unwound to a proper length according to actual assembly connection requirements, so that inconvenience caused by overlong expanded auxiliary grounding wires to actual working condition operation is avoided, and when the assembly is required to be disassembled after the operation is finished, the auxiliary grounding wire is only required to be tightly wound on the auxiliary winding shaft again.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic view of an assembly structure of a ground wire assembly according to an embodiment of the present invention;
FIG. 2 is a schematic view of the construction of the secondary spool of FIG. 1;
FIG. 3 is a schematic structural view of the T-joint of FIG. 2;
FIG. 4 is a schematic structural view of the composite joint of FIG. 1;
FIG. 5 is a schematic view of the grounding clip of FIG. 1;
FIG. 6 is a schematic view of the structure of the wire terminal of FIG. 1;
fig. 7 is a schematic structural view of an extension joint of a ground wire assembly according to an embodiment of the present invention.
Among them, 11-wire bar, 111-wire clamp, 112-insulating rod, 113-clamp, 114-wire terminal, 115-insulating sheath, 12-auxiliary grounding wire, 121-auxiliary winding shaft, 122-control button, 13-combined joint, 14-grounding clamp, 15-main grounding wire, 151-main winding shaft, 16-T joint, 161-inclined plane track, 17-extended joint.
Detailed Description
The core of the utility model is to provide an earth connection subassembly, the structure of this earth connection subassembly is exquisite, and dismouting warehousing and transportation is nimble convenient and operating mode adaptability is stronger.
In order to make the technical field better understand the solution of the present invention, the following detailed description of the present invention is provided with reference to the accompanying drawings and the detailed description.
Referring to fig. 1 to 6, fig. 1 is a schematic view illustrating an assembly structure of a ground wire assembly according to an embodiment of the present invention; FIG. 2 is a schematic view of the construction of the secondary spool of FIG. 1; FIG. 3 is a schematic structural view of the T-joint of FIG. 2; FIG. 4 is a schematic structural view of the composite joint of FIG. 1; FIG. 5 is a schematic view of the grounding clip of FIG. 1; FIG. 6 is a schematic view of the structure of the wire terminal of FIG. 1; fig. 7 is a schematic structural view of an extension joint of a ground wire assembly according to an embodiment of the present invention.
In a specific embodiment, the utility model provides a ground wire assembly, including a plurality of removable terminal sticks 11 that are connected with the lead wire, each terminal stick 11's low reaches one-to-one and removable vice earth connection 12 that is connected with still include built-up joint 13, and the tail end of each vice earth connection 12 is removable to be connected on built-up joint 13, and the low reaches of built-up joint 13 are provided with the ground clamp 14 with the ground terminal adaptation, are connected with main earth connection 15 between built-up joint 13 and the ground clamp 14.
In the assembling and using process, according to the actual working condition requirements, the auxiliary grounding wires 12 with different specifications and sizes and numbers are connected to the downstream of each wiring rod 11 in an aligning way, then the matching pieces such as the combined joint 13 and the main grounding wire 15 are sequentially connected and assembled in an aligning way, then the wiring rods 11 after the assembly of the downstream components are finally reliably connected to the corresponding lead wires through the grounding clamps 14 connected to the tail ends of the main grounding wires 15, and then the reliable grounding operation of the lead wires can be completed. The whole assembly is simple and reliable in structure, the connection quantity and the assembly mode of all the matching pieces in the assembly can be flexibly adjusted through the wire connecting rod 11, the auxiliary grounding wire 12, the combined joint 13 and the detachable connection structure between the main grounding wires 15 according to different requirements of actual working conditions, the assembly structure can meet the operation requirements of the actual working conditions such as different equipment sizes and cable spans, the phenomena of insufficient grounding wire length or inconvenient assembly of the grounding wire assembly and the like are avoided, the working condition adaptability of the grounding wire assembly is remarkably improved, the assemblies are flexibly and conveniently disassembled, the operation difficulty in actual operation can be greatly reduced, the phenomenon of inconvenient storage and transportation caused by the fact that the assemblies cannot be disassembled is avoided, the disassembly and assembly efficiency of the grounding wire assembly is greatly improved, and the related operation difficulty is reduced.
Specifically, the terminal rod 11 includes a lead clamp 111 with an opening at a side portion, an insulating rod 112 is vertically penetrated through the bottom of the lead clamp 111 and is axially movably screwed, a clamping table 113 in contact fit with the lead is arranged at an insertion end of the insulating rod 112, the lead is detachably clamped and fixed between the clamping table 113 and the top inner wall of the lead clamp 111, and a lead terminal 114 detachably connected with the secondary ground wire 12 is fastened on the outer wall of the lead clamp 111 through a screw. During actual assembly, the upstream end of the secondary ground wire 12 is reliably connected to the wire terminal 114, the lead clamp 111 is hung on the lead through the opening, the insulating rod 112 is screwed so that the insulating rod 112 is gradually inserted into the lead clamp 111, meanwhile, the lead is ensured to be aligned and arranged between the clamping table 113 and the inner wall of the top of the lead clamp 111, and then the insulating rod 112 is continuously screwed until the clamping table 113 and the lead clamp 111 are matched in a coordinated manner so as to reliably clamp and fix the lead, so that the reliable connection among the lead, the wiring rod 11 and the secondary ground wire 12 can be completed.
It should be noted that, in practical application, the size specification of the main ground wire 15 may also be flexibly selected according to different working condition requirements, and in principle, any size specification may be used as long as it can meet the practical application requirements of the ground wire assembly.
Further, an outer end portion of the insulating rod 112 is sleeved with an insulating sheath 115. In the operation process, a worker can directly hold the insulating sheath 115 part to operate the insulating rod 112, so that the insulating protection effect in the operation process is further improved, the electric leakage or electric shock dangerous situation is avoided, and the operation safety of the worker is improved.
Further, the ground wire assembly further includes a sub-spool 121 adapted to correspond to each sub-ground wire 12 one by one, and each sub-ground wire 12 is retractably wound around the sub-spool 121. In practical application, the auxiliary ground wire 12 can be firstly tightly wound on the auxiliary winding shaft 121, and then the auxiliary ground wire is unwound to a proper length according to the actual assembly connection requirement, so that inconvenience caused by overlong expanded auxiliary ground wire 12 to the actual working condition operation is avoided, and when the assembly is required to be disassembled after the operation is finished, the auxiliary ground wire 12 is only required to be tightly wound on the auxiliary winding shaft 121 again.
Further, the ground wire assembly further includes a main winding shaft 151 disposed in alignment with the main ground wire 15, and the main ground wire 15 is wound on the main winding shaft 151 in a retractable manner. The matching manner between the main grounding wire 15 and the main winding shaft 151 is basically the same as the matching manner between the auxiliary grounding wire 12 and the auxiliary winding shaft 121, and is not described herein again, and the difference in practical application is only that the effective extension length of the main grounding wire 15 is longer than that of the auxiliary grounding wire 12 in general situations, so as to ensure the effective length and the working condition adaptability of the main cable part of the grounding wire assembly.
In addition, in practical applications, a motor that can drive each winding shaft to rotate forward and backward may be respectively disposed on the secondary winding shaft 121 and the primary winding shaft 151, and a control button 122 is disposed on each winding shaft to control the forward rotation and the backward rotation of the motor, so as to realize fast winding and unwinding of each secondary ground wire 12 and the primary ground wire 15, thereby greatly improving the overall operating efficiency of the ground wire assembly. Of course, the above-mentioned motor only exemplifies the winding and unwinding function application effect of each winding shaft as a relatively common driving mechanism, and during actual operation, according to the difference of working conditions and the comprehensive consideration of equipment cost, other linkage mechanisms capable of realizing the rapid winding and unwinding of each winding shaft, such as a torsion spring mechanism, a gear rack mechanism, and the like, may also be adopted, and in principle, any mechanism may be used as long as it can satisfy the actual application requirements of the ground wire assembly.
More specifically, an extension ground wire (not shown) that is retractably wound around an extension reel (not shown) is detachably connected between the upstream side of the secondary ground wire 12 and the terminal rod 11 and/or between the downstream side of the secondary ground wire 12 and the combined joint 13, and the extension ground wire and the secondary ground wire 12 are detachably connected by an extension joint 17. In practical applications, if the extension length of the existing secondary ground wire 12 is still not sufficient to meet the requirements of the current working conditions, an extension ground wire and a corresponding extension winding shaft thereof may be added at the upstream end and/or the downstream end of the secondary ground wire 12, and the extension ground wire and the associated connectors, such as the secondary ground wire 12, etc., are reliably assembled and fixed through the extension joint 17. In addition, the matching form between the extension ground wire and the extension winding shaft is substantially the same as the matching form between the auxiliary ground wire 12 and the auxiliary winding shaft 121, which is not described herein again.
On the other hand, T-shaped joints 16 are fixed to both ends of the sub ground wire 12 and both ends of the main ground wire 15 by pressure-equalizing fastening, and each of the mating members connected to the end portions of the sub ground wire 12 and the main ground wire 15 is provided with a slope rail 161 detachably fitted to the T-shaped joint 16, and accordingly, the end portion of the extended ground wire is also provided with the T-shaped joint 16. The inclined rail 161 can be fully matched and tightly connected with the T-shaped connector 16, so that the assembly strength and the conductive effect between the T-shaped connector 16 and relevant mating parts such as the wire terminal 114, the combined connector 13, the extension connector 17 and the grounding clip 14 are effectively ensured, and the overall working performance of the grounding wire assembly is ensured.
To sum up, in the utility model provides an earth connection subassembly, in the assembly use, according to the operating condition needs, counterpoint with the vice earth connection of different specification and size and quantity and connect in each terminal stick low reaches, counterpoint in order such as will make up joint and main earth connection again and connect the equipment, later through connecting in the terminal ground clamp reliable ground of main earth connection, the terminal stick after will accomplishing the low reaches subassembly equipment at last reliably connects on the lead wire that corresponds, can accomplish the reliable ground operation of lead wire. The whole assembly is simple and reliable in structure, different requirements of actual working conditions can be met, the connection quantity and the assembly mode of all the matching pieces in the assembly can be flexibly adjusted through the wire connecting rod, the auxiliary grounding wire, the detachable connection structure between the combined joint and the main grounding wire, the assembly structure can meet the operation requirements of the actual working conditions such as different equipment sizes and cable spans, the phenomena that the length of the grounding wire is insufficient or the assembly of the grounding wire assembly is inconvenient and the like are avoided, the working condition adaptability of the grounding wire assembly is remarkably improved, the assembly and disassembly of all the assemblies are flexible and simple, the operation difficulty in the actual operation can be greatly reduced, the phenomenon of storage and transportation inconvenience caused by the fact that the assemblies cannot be disassembled is avoided, the assembly and disassembly and storage efficiency of the grounding wire assembly is greatly.
It is right above the utility model provides an earth connection subassembly has carried out detailed introduction. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims (7)

1. A ground wire assembly, characterized by: the combined type grounding wire comprises a plurality of wiring rods which are detachably connected with a lead, auxiliary grounding wires which are detachably connected with the downstream of each wiring rod in a one-to-one correspondence mode, and a combined joint, wherein the tail end of each auxiliary grounding wire is detachably connected to the combined joint, a grounding clamp matched with a grounding terminal is arranged on the downstream of the combined joint, and a main grounding wire is detachably connected between the combined joint and the grounding clamp.
2. The ground wire assembly of claim 1, wherein: the winding device also comprises auxiliary winding shafts which are matched with the auxiliary grounding wires in a one-to-one correspondence mode, and the auxiliary grounding wires can be wound on the auxiliary winding shafts in a retractable mode.
3. The ground wire assembly of claim 2, wherein: the winding device further comprises a main winding shaft which is arranged in alignment with the main grounding wire, and the main grounding wire can be wound on the main winding shaft in a retractable manner.
4. The ground wire assembly of claim 1, wherein: the terminal rod comprises a lead clamp with an opening at the side part, an insulating rod is vertically penetrated through the bottom of the lead clamp and is in threaded fit with the bottom of the lead clamp in an axially movable mode, a clamping table in contact fit with a lead is arranged at the insertion end of the insulating rod, the lead is detachably clamped and fixed between the clamping table and the inner wall of the top of the lead clamp, and a lead terminal detachably connected with an auxiliary grounding wire is fastened on the outer wall of the lead clamp through a screw.
5. The ground wire assembly of claim 4, wherein: and an insulating sheath is sleeved at the outer end part of the insulating rod.
6. The ground wire assembly of claim 1, wherein: t-shaped joints are fixedly fixed at two ends of the auxiliary grounding wire and two ends of the main grounding wire in a voltage-sharing manner, and inclined surface rails detachably matched with the T-shaped joints are arranged on each matching piece connected with the ends of the auxiliary grounding wire and the main grounding wire.
7. The ground wire assembly of claim 1, wherein: and an extension grounding wire which can be wound on an extension winding shaft in a retractable manner is detachably connected between the upstream of the auxiliary grounding wire and the terminal rod and/or between the downstream of the auxiliary grounding wire and the combined joint, and the extension grounding wire and the auxiliary grounding wire are detachably connected through the extension joint.
CN202020649426.0U 2020-04-26 2020-04-26 Grounding wire assembly Active CN212162118U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202020649426.0U CN212162118U (en) 2020-04-26 2020-04-26 Grounding wire assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202020649426.0U CN212162118U (en) 2020-04-26 2020-04-26 Grounding wire assembly

Publications (1)

Publication Number Publication Date
CN212162118U true CN212162118U (en) 2020-12-15

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ID=73723893

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Application Number Title Priority Date Filing Date
CN202020649426.0U Active CN212162118U (en) 2020-04-26 2020-04-26 Grounding wire assembly

Country Status (1)

Country Link
CN (1) CN212162118U (en)

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