CN211208698U - Novel complete set grounding device for 220kV power transmission line - Google Patents

Novel complete set grounding device for 220kV power transmission line Download PDF

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Publication number
CN211208698U
CN211208698U CN201922475228.7U CN201922475228U CN211208698U CN 211208698 U CN211208698 U CN 211208698U CN 201922475228 U CN201922475228 U CN 201922475228U CN 211208698 U CN211208698 U CN 211208698U
Authority
CN
China
Prior art keywords
grounding
duckbilled
rod
transmission line
earth connection
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.)
Expired - Fee Related
Application number
CN201922475228.7U
Other languages
Chinese (zh)
Inventor
任宁奎
李翔
董慎学
刘浩
徐兆国
石峰
段春瑞
崔万兵
董振华
丁飞
郭棒
王涛
马翔
陈剑涛
王刚
张晓英
杨京蕊
闫润
房敏
张振华
周磊
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.)
Shizuishan Power Supply Co Of State Grid Ningxia Electric Power Co ltd
Original Assignee
Shizuishan Power Supply Co Of State Grid Ningxia 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 Shizuishan Power Supply Co Of State Grid Ningxia Electric Power Co ltd filed Critical Shizuishan Power Supply Co Of State Grid Ningxia Electric Power Co ltd
Priority to CN201922475228.7U priority Critical patent/CN211208698U/en
Application granted granted Critical
Publication of CN211208698U publication Critical patent/CN211208698U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a novel complete set earthing device of 220kV transmission line for hang the problem that establishes the earth connection and need the overlength on solving the 220kV transmission line shaft tower that installs insulating sheath additional among the prior art, there is great threat to operation personnel's safety, including ground pile includes yoke plate and L type ground connection end, L type ground connection end is the pipe of 90 degrees bends, one end and yoke plate bolted connection, the other end sets up the anticreep end cap, ground rod includes insulating bar, duckbilled earth connection chuck, anticreep rope and earth connection, insulating bar top connection duckbilled earth connection chuck, duckbilled earth connection overhead clamping piece end sets up the go-between, fixed anticreep rope on the go-between, the copper sheet end of earth connection is connected to lower clamping piece end electricity, the beneficial effect has been reduced to hang the time that establishes the earth connection for a wide margin, the time of operation personnel's operation on the tower has been shortened, the danger of operation personnel's operation on the tower has effectively been reduced, the risk that the operation personnel.

Description

Novel complete set grounding device for 220kV power transmission line
Technical Field
The utility model relates to an electric power earthing device technical field especially relates to a novel complete set earthing device of 220kV transmission line.
Background
The power transmission line tower comprises a tangent tower and a tension tower, and the grounding wire is mainly hung on the tension tower of the line. The grounding wire has a grounding end and a wire end, the grounding end is hung on the tower (pole), the wire end is hung on the wire, and each group of grounding wires needs to be hung and detached on A, B, C three-phase wires respectively. When hanging, firstly hanging the ground end and then hanging the wire end; when the cable is disassembled, the grounding end is disassembled first, and then the wire end is disassembled. Usually, the wire end clamp of the grounding wire is connected to the drainage wire of the strain tower.
According to the requirement of a company, in order to prevent single-phase grounding power failure accidents of a power transmission line caused by bird damage and other reasons, a transmission and distribution inspection room (a power transmission professional group) organization personnel of a power supply company in a Shizushan is additionally provided with an insulating sheath on a 220kV line tower, the insulating sheath of a strain tower is arranged on a drainage line, and as the insulating sheath has an insulating function, a grounding wire cannot be hung, so that the wire end of the grounding wire can only be connected to a main lead of the wire end of the strain insulator string. Through the statistics of consuming time of establishing the earth connection to 220kV circuit power failure maintenance operation string, the time and the degree of difficulty of establishing the earth connection wire end have been found to have greatly increased to adorn additional of insulating sheath.
Disclosure of Invention
The embodiment of the utility model provides a novel complete set earthing device of 220kV transmission line for hang the time overlength of establishing the earth connection needs on the 220kV transmission line shaft tower of installing insulating sheath additional among the solution prior art, have great threat to operation personnel's safety, hang simultaneously and establish the time overlength and also can shorten maintenance activity duration or prolong power off time, bring great economic loss's problem for company and user.
A novel complete set of grounding device for a 220kV power transmission line comprises a grounding pile and a grounding rod, wherein the grounding pile comprises a duplex plate and an L type grounding end, the L type grounding end is a 90-degree bent round pipe, one end of the round pipe is connected with the duplex plate through a bolt, and the other end of the round pipe is provided with an anti-falling plug;
the grounding rod includes: the device comprises an insulating operating rod, a duckbilled grounding wire chuck, an anti-falling rope and a grounding wire; the duckbilled earth connection chuck is connected at the insulating operation pole top, and duckbilled earth connection chuck goes up the clamping piece end and sets up the go-between, and fixed anticreep rope on the go-between, the copper sheet end of earth connection is connected to the terminal electricity of lower clamping piece.
Preferably, the L-type grounding end of the grounding pile is provided with an anti-dropping plug, the length of the end of the anti-dropping plug is 2 times greater than the width of the duckbilled grounding wire chuck, the anti-dropping plug is of a circular sheet type and is vertically and fixedly connected to the circular tube, one end of the anti-dropping plug connected with the duplex plate is provided with a threaded section, the diameter of the threaded section can penetrate through the through hole in the duplex plate, and nuts are respectively arranged above and below the duplex plate to fixedly connect the threaded section with the duplex.
Preferably, the insulated operating rod is a telescopic insulated operating rod, and the maximum length of the telescopic insulated operating rod reaches 3.5 meters.
Preferably, the terminal welding L type connecting plate of last clamping piece of duckbilled ground lead anchor clamps, L type connecting plate set up the screw hole on the part of the clamping piece in the perpendicular to of clamping piece, and the below of screw hole sets up the go-between, and the clamping piece is terminal to set up the mounting groove down, and the mounting groove is arranged in to the clamping piece under the screw rod perpendicular to, and the screw rod below penetrates in the hole of the copper sheet end of earth connection to compress tightly on the clamping piece down through the nut.
Preferably, the top end of the insulating operating rod is provided with a vertical connecting rod, one end of the vertical connecting rod is fixed to the top of the insulating operating rod through a bolt, and the other end of the vertical connecting rod is provided with a threaded section which is directly in threaded connection with a threaded hole in an L-type connecting plate welded on a duckbilled grounding wire clamping head.
The utility model discloses through improving current various operating means, make full use of the shaft tower gold utensil, it establishes the earth connection operation difficulty to hang on the strain insulator shaft tower wire with lower cost, complicated and dangerous problem through repacking action bars action head and earth connection wire end chuck, make action bars and earth connection wire end easily connect fixedly and easily separate, be convenient for hang the going on of establishing the earth connection operation, shortened to hang and established the time of wire end time and shortened the time that has a power failure and overhauld the operation, the operation personnel use the action bars to hang earth connection wire end and establish convenient operation on the ground connection stake, the ground connection stake designs into "L" type, it establishes and demolishs to change hanging of earth connection, the earth connection is hung on the ground connection stake and is established firmly, accord with field operation's needs, adopt novel earthing device of the whole set, the operation personnel have been ensured effectively and have hung the safety of establishing the earth connection operation, the risk that has also reduced the object that weighs down when having reduced the operation.
In conclusion, the research and development of the novel set of grounding device for the 220kV power transmission line can greatly reduce the time required by hanging the grounding wire, shorten the operation time of an operator on the tower, effectively reduce the danger of operation on the tower and reduce the risk of falling of the operator in high altitude. By using the novel grounding device, the operation personnel is convenient and simple to operate, and the safety of the novel grounding device is greatly improved compared with that of an old grounding device.
Drawings
Fig. 1 is a schematic view of a first-view perspective structure of a grounding pile of a novel set of grounding device for a 220kV transmission line in an embodiment of the present invention;
fig. 2 is a schematic view of a second perspective three-dimensional structure of a grounding pile of the novel set of grounding device for the 220kV transmission line in the embodiment of the present invention;
fig. 3 is a schematic view of a first perspective three-dimensional structure of a grounding rod of a novel set of grounding device for a 220kV transmission line in an embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides an in the embodiment of the utility model the novel complete set earthing device's of 220kV transmission line earthing rod second visual angle spatial structure sketch map.
Detailed Description
In order to provide a scheme for improving the convenience and the safety of the operation of hanging the ground wire and reducing the time required for hanging the ground wire, the following description is made in combination with the attached drawings of the specification to describe the preferred embodiment of the invention.
Referring to fig. 1, the embodiment of the utility model provides a novel set of earthing device for 220kV transmission line, which comprises an earthing pile and an earthing rod, wherein the earthing pile comprises a duplex plate 101 and an L type earthing end 102, the L type earthing end 102 is a 90-degree bent round pipe, one end of the round pipe is connected with the duplex plate 101 through a bolt, and the other end of the round pipe is provided with an anti-falling plug 103;
the grounding rod includes: an insulating operating rod 201, a duckbilled grounding wire chuck 202, an anti-dropping rope 203 and a grounding wire 204; the top of the insulating operating rod 201 is connected with a duckbilled ground wire clamping head 202, the tail end of an upper clamping piece of the duckbilled ground wire clamping head 202 is provided with a connecting ring 205, an anti-falling rope 203 is fixed on the connecting ring 205, and the tail end of a lower clamping piece is electrically connected with a copper sheet end 2041 of a ground wire 204.
Specifically, the L-type ground end 102 of the ground pile is provided with an anti-falling plug 103, the length of the end is 2 times larger than the width of a duckbilled ground wire chuck 202, the anti-falling plug 103 is of a circular sheet type and is vertically and fixedly connected to the circular tube, a threaded section is arranged at one end connected with the yoke plate 101, the diameter of the threaded section can penetrate through a through hole in the yoke plate 101, and nuts are respectively arranged above and below the yoke plate 101 to fixedly connect the threaded section with the yoke plate 101.
The insulated operating rod 201 is a telescopic insulated operating rod 201, and the maximum length reaches 3.5 meters.
The duckbilled ground wire clamping head 202 is characterized in that an L-type connecting plate 206 is welded at the tail end of an upper clamping piece, a threaded hole is formed in the part, perpendicular to the upper clamping piece, of the L-type connecting plate 206, a connecting ring 205 is arranged below the threaded hole, a mounting groove 207 is formed in the tail end of a lower clamping piece, a screw is arranged in the mounting groove 207 perpendicular to the lower clamping piece, the lower portion of the screw penetrates into a hole in the end 2041 of a copper sheet of a ground wire 204, and the copper.
The top end of the insulating operating rod 201 is provided with a vertical connecting rod 2011, one end of the vertical connecting rod 2011 is fixed at the top of the insulating operating rod 201 through a bolt, and the other end of the vertical connecting rod 2011 is provided with a threaded section and is directly in threaded connection with a threaded hole in an L-type connecting plate 206 welded on the duckbilled grounding wire chuck 202.
The structure and use of the novel set of grounding device for the 220kV power transmission line in the utility model are described in detail below.
The double link plate 101 is a hardware tool with a lead connected with an insulator, and can be used for hooking the ground wire 204 at the position, so that the L type ground terminal 102 is additionally arranged on the double link plate 101, the horizontal section parallel to the L type ground terminal 102 and the double link plate 101 is a cylinder with the diameter of 22mm, the vertical section perpendicular to the double link plate 101 is a cylinder with the diameter of 16mm, the diameter of the cylinder is the same as that of a hole in the double link plate 101, the diameter of the cylinder is the same as that of the hole in the double link plate 101, the thread part is 5cm, the thickness of two screw caps is approximately the thickness of the double link plate 101, a certain margin is reserved, and the surface of the L type ground terminal 102 is subjected to zinc plating and.
And in the grounding wire part 204, the tail end of the duckbilled grounding wire chuck 202 is fixedly connected with an L-shaped connecting plate 206, a hole matched with a screw rod with the diameter of 8mm is drilled on the connecting plate vertical to the upper clamping piece, and a jackscrew is used for manufacturing an internal thread, the insulating operating rod 201 is a telescopic insulating operating rod 201, the operating head part of the insulating operating rod 201 is fixedly connected with a threaded rod with the same axial direction, and the diameter of the threaded rod is 8mm and is matched and fixed with the hole on the L-shaped connecting plate 206.
Duckbilled earth connection chuck 202 divide into clamping piece and lower clamping piece, and clamping piece and lower clamping piece are the V type on the front end, and the middle section respectively sets up a arch for hold L type ground connection end 102's horizontal segment, the horizontal segment tip sets up anticreep end cap 103, avoids duckbilled earth connection chuck 202 to deviate from.
During the use, stretch out and the fixed length with insulating telescopic link, fix anticreep rope 203 on the electric wire netting pole frame to and insert the earthing terminal of earth connection 204 underground, insert fixed L type ground connection end 102 on the yoke plate 101 with duckbilled earth connection chuck 202 front end opening, the arch of going into duckbilled earth connection chuck 202 middle section can.
It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (5)

1. A novel complete set of grounding device for a 220kV power transmission line is characterized by comprising a grounding pile and a grounding rod, wherein the grounding pile comprises a duplex plate and an L type grounding end, the L type grounding end is a 90-degree bent round pipe, one end of the round pipe is connected with the duplex plate through a bolt, and the other end of the round pipe is provided with an anti-falling plug;
the grounding rod includes: the device comprises an insulating operating rod, a duckbilled grounding wire chuck, an anti-falling rope and a grounding wire; the duckbilled earth connection chuck is connected at the insulating operation pole top, and duckbilled earth connection chuck goes up the clamping piece end and sets up the go-between, and fixed anticreep rope on the go-between, the copper sheet end of earth connection is connected to the terminal electricity of lower clamping piece.
2. The novel set of grounding device for the 220kV power transmission line as claimed in claim 1, wherein the L-type grounding end of the grounding pile is provided with an anti-drop plug, the length of the end of the anti-drop plug is 2 times greater than the width of a duckbilled grounding wire chuck, the anti-drop plug is of a disc type and is vertically and fixedly connected to the circular tube, a threaded section is arranged at one end connected with the duplex plate, the diameter of the threaded section can penetrate through a through hole in the duplex plate, and nuts are respectively arranged above and below the duplex plate to fixedly connect the threaded section with the duplex plate.
3. The novel set of grounding device for the 220kV power transmission line of claim 1, wherein the insulating operating rod is a telescopic insulating operating rod, and the maximum length of the telescopic insulating operating rod is 3.5 meters.
4. The novel set of grounding device for the 220kV power transmission line as claimed in claim 1, wherein an L-type connecting plate is welded at the tail end of an upper clamping piece of the duckbilled grounding clamp head, a threaded hole is formed in a part, perpendicular to the upper clamping piece, of the L-type connecting plate, a connecting ring is arranged below the threaded hole, a mounting groove is formed in the tail end of a lower clamping piece, a screw rod is arranged in the mounting groove perpendicular to the lower clamping piece, and a hole in the copper sheet end of the grounding wire penetrates through the lower portion of the screw rod and is tightly pressed on the.
5. The novel set of grounding device for the 220kV power transmission line as claimed in claim 4, wherein a vertical connecting rod is arranged at the top end of the insulating operating rod, one end of the vertical connecting rod is fixed at the top of the insulating operating rod through a bolt, and the other end of the vertical connecting rod is provided with a threaded section which is directly in threaded connection with a threaded hole in an L-type connecting plate welded on a duckbilled grounding wire clamping head.
CN201922475228.7U 2019-12-31 2019-12-31 Novel complete set grounding device for 220kV power transmission line Expired - Fee Related CN211208698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922475228.7U CN211208698U (en) 2019-12-31 2019-12-31 Novel complete set grounding device for 220kV power transmission line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922475228.7U CN211208698U (en) 2019-12-31 2019-12-31 Novel complete set grounding device for 220kV power transmission line

Publications (1)

Publication Number Publication Date
CN211208698U true CN211208698U (en) 2020-08-07

Family

ID=71854013

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922475228.7U Expired - Fee Related CN211208698U (en) 2019-12-31 2019-12-31 Novel complete set grounding device for 220kV power transmission line

Country Status (1)

Country Link
CN (1) CN211208698U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112290240A (en) * 2020-10-15 2021-01-29 贵州电网有限责任公司 Universal installation equipment convenient for installing grounding wire and use method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112290240A (en) * 2020-10-15 2021-01-29 贵州电网有限责任公司 Universal installation equipment convenient for installing grounding wire and use method thereof

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200807

Termination date: 20201231

CF01 Termination of patent right due to non-payment of annual fee