CN113595018A - Novel electrified supplementary change of arrester gauge outfit device - Google Patents
Novel electrified supplementary change of arrester gauge outfit device Download PDFInfo
- Publication number
- CN113595018A CN113595018A CN202110903396.0A CN202110903396A CN113595018A CN 113595018 A CN113595018 A CN 113595018A CN 202110903396 A CN202110903396 A CN 202110903396A CN 113595018 A CN113595018 A CN 113595018A
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- CN
- China
- Prior art keywords
- structural member
- metal rod
- lightning arrester
- gauge outfit
- contact structure
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- 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.)
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
- H02G13/60—Detecting; Measuring; Sensing; Testing; Simulating
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B3/00—Apparatus specially adapted for the manufacture, assembly, or maintenance of boards or switchgear
Abstract
The invention provides a novel lightning arrester gauge outfit electrified auxiliary replacing device, which relates to the technical field of transformer substations and comprises the following components: an upper contact structure, a wire, and a lower contact structure; the upper contact structure is connected with the lower contact structure through a lead; the upper contact structure includes: the first structural member is used for being in contact with a connecting copper bar at the top end of the lightning arrester meter; the second structural part is arranged on the outer side of the first structural part and is used for fixing and supporting the first structural part; the third structural member is arranged on the side edge of the second structural member and is used for connecting an operating rod to hang the first structural member; the lower contact structure includes: the fourth structural member is used for being connected with the grounding copper bar of the lightning arrester body; the fifth structural part is arranged at the bottom of the fourth structural part and is connected with the fourth structural part; the second structural member is connected with one end of the wire, and the fifth structural member is connected with the other end of the wire. The invention realizes the effective fixation of the grounding connection wire, fully ensures good grounding and ensures the safety of equipment and personnel.
Description
Technical Field
The invention relates to the technical field of transformer substations, in particular to a novel lightning arrester gauge outfit electrified auxiliary replacing device which is applied to an auxiliary device for replacing a gauge of a lightning arrester in an electrified operation environment in a power grid system.
Background
When developing the change of arrester meter, owing to need demolish the meter, lead to arrester leakage current can not flow into the ground, if the earth clamp force is not enough, just can lead to the earth connection to drop very much, cause huge threat to staff and live equipment of work. At present, the working grounding wire equipment wiring side in a power grid system generally adopts an alligator clip, the alligator clip is generally clamped at a wiring board, a fixing bolt or a copper plate of tested equipment, and when the voltage grade of the tested equipment is not high, the equipment height is limited, a high-voltage test wire is not long, and the quality is not high, the alligator clip can realize relatively firm clamping and good contact.
However, the wiring fixing mode has many hidden dangers on ultra-high voltage equipment with large volume and high height, firstly, the length of the test line is longer due to the high position of the clamping point of the equipment, the crocodile clamp needs to bear more weight of the test line, the clamping force is insufficient, and the reliability of clamping the crocodile clamp is reduced; secondly, as the thickness of a wiring board of the ultra-high equipment and the diameter of a bolt at a protruding part are greatly increased, the crocodile clip can be clamped only by stretching a larger angle, and the clamping reliability is also reduced; in addition, in the wiring link, the clamping mode is easy to fall off due to external force dragging caused by mistaken touch of a worker on the grounding wire in the operation process, so that the equipment is not grounded, and the safety of the worker cannot be guaranteed; finally, when the meter is replaced, the size of the grounding wire does not necessarily meet the requirement, effective grounding cannot be guaranteed, and equipment fault tripping and casualties can be caused.
At present, the size of the crocodile wire clamp is increased, a thicker grounding wire is used, a better solution is not provided, in addition, the wire clamp with a large caliber is large in size and mass, the required force is large when a clamping opening is opened and the wire clamp is taken down, the actual operation is very inconvenient, the wire clamp is very easy to damage when the wire clamp falls off, the use of the grounding wire has no relevant standard, the grounding requirement cannot be met due to the fact that the grounding wire used on site is too thin, the field wire clamp cannot be effectively fixed due to the fact that the grounding wire used on site is too thick, the grounding wire is mainly grounded in a mode that a copper drainage wire is matched with the wire clamp to fix on the working site, the contact reliability is only relatively increased, and the grounding reliability and the wire clamp falling prevention are not substantially improved. In the power industry, a special auxiliary device for replacing a meter is not applied to the power industry.
Disclosure of Invention
In order to solve the problem of poor grounding of a grounding wire during replacement of the lightning arrester meter, particularly aiming at ultra-high voltage equipment with a meter with a high position and a long grounding wire and a heavy wire, the invention provides a novel lightning arrester meter head electrified auxiliary replacement device.
The technical scheme of the invention is as follows:
the utility model provides a novel supplementary change of arrester gauge outfit is electrified device, includes:
an upper contact structure, a wire, and a lower contact structure;
the upper contact structure is connected with the lower contact structure through a lead;
the upper contact structure includes:
the first structural member is used for being in contact with a connecting copper bar at the top end of the lightning arrester meter;
the second structural part is arranged on the outer side of the first structural part and is used for fixing and supporting the first structural part;
the third structural member is arranged on the side edge of the second structural member and is used for connecting an operating rod to hang the first structural member;
the lower contact structure includes:
the fourth structural member is used for being connected with the grounding copper bar of the lightning arrester body;
the fifth structural part is arranged at the bottom of the fourth structural part and is connected with the fourth structural part;
the second structural member is connected with one end of the wire, and the fifth structural member is connected with the other end of the wire.
According to a further technical scheme of the invention, the first structural member is made of a multi-surface copper elastic sheet.
As a further technical solution of the present invention, the third structural member is a metal snap-in structure.
As a further technical solution of the present invention, the metal buckle type structure includes a first metal rod and a second metal rod, the first metal rod is provided with a first hole, the second metal rod passes through the mounting hole and is perpendicular to the first metal rod, and a diameter of the second metal rod is smaller than that of the first metal rod.
According to a further technical scheme of the invention, the lead is a copper lead with a rubber sheath and a cross-sectional area of 25mm2, and two ends of the copper lead are provided with crimping copper wire noses.
According to a further technical scheme of the invention, the second structural member and the fifth structural member are U-shaped clamping grooves which are made of integrally-formed copper plates.
Furthermore, anti-skidding fine threads are arranged inside the U-shaped clamping groove of the fifth structural member.
According to a further aspect of the present invention, the fourth structural member is a T-shaped screw-type crimp plate.
As a further technical solution of the present invention, the T-shaped screw type crimping plate includes a third metal rod, a fourth metal rod and a metal panel, the third metal rod is disposed on the metal panel, a second mounting hole is disposed at an upper end of the third metal rod, the fourth metal rod is disposed on the second mounting hole, and the fourth metal rod and the third metal rod are disposed vertically.
Further, the outer side of the third metal rod is provided with threads.
The invention has the beneficial effects that:
1. the invention provides a novel lightning arrester gauge outfit electrified auxiliary replacing device which is used for establishing effective bypass grounding when a gauge is replaced in an electrified way; the second structure is U type draw-in groove copper construction, has certain hard power, can just in time with the ground connection band iron chucking in U type draw-in groove main part inside to can well contact.
2. The second structural member and the fifth structural member are U-shaped clamping grooves formed by welding three copper plates, so that the strength reliability of the second structural member and the fifth structural member is ensured
3. The fifth structural member is internally provided with fine threads for preventing sliding, so that the internal friction between the fifth structural member and the ground copper bar is increased, and the ground reliability is ensured.
4. The fourth structural part adopts a T-shaped threaded crimping plate, wherein the metal rod at the horizontal position of the upper part is convenient to rotate; the metal rod in the vertical direction is threaded, and the bealock on the upper part of the U-shaped clamping groove penetrates through the threads and can be used for fixing; the metal panel at the lower part is used for compressing the grounding flat iron; ensuring that the leakage current of the device is sufficiently grounded;
5. the third structural component is of a metal buckle type structure, can be connected with the operating rod, and can be used for installing the grounding wire when the grounding flat iron is high.
6. According to the lightning arrester meter, the special wire clamp is designed, the appearance size of the wire clamp is reasonably set, the wire clamp can be effectively installed on the metal surface of grounding equipment, the grounding connection wire is effectively fixed, good grounding is fully ensured, the grounding wire clamp is fully contacted with the surface of equipment to be tested, the contact surface is enlarged, the contact resistance is reduced, good grounding of a body is ensured when the lightning arrester meter is replaced, and the equipment and personal safety is guaranteed.
Drawings
Fig. 1 is a structural diagram of a novel arrester gauge outfit electrified auxiliary replacing device provided by the invention;
shown in the figure:
1-upper contact structure, 2-wire, 3-lower contact structure; 4-lightning arrester body grounding copper bar;
11-a first structural member, 12-a second structural member, 13-a third structural member;
121-a first metal rod, 122-a second metal rod;
31-fourth structural member, 32-fifth structural member;
311-third metal bar, 312-fourth metal bar, 313-metal panel.
Detailed Description
The conception, the specific structure, and the technical effects produced by the present invention will be clearly and completely described below in conjunction with the embodiments and the accompanying drawings to fully understand the objects, the features, and the effects of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and those skilled in the art can obtain other embodiments without inventive effort based on the embodiments of the present invention, and all embodiments are within the protection scope of the present invention.
Referring to fig. 1, a structure diagram of a novel arrester gauge outfit electrified auxiliary replacing device provided by the invention is shown;
as shown in fig. 1, a novel lightning arrester gauge outfit is supplementary to be changed with electricity device includes: the device comprises an upper contact structure 1, a lead 2 and a lower contact structure 3, wherein the upper contact structure 1 is connected with the lower contact structure 3 through the lead 2; the upper contact structure 1 includes: the first structural member 11 is used for being in contact with a connecting copper bar at the top end of the lightning arrester meter; a second structural member 12 provided outside the first structural member 11 for fixedly supporting the first structural member 11; a third structural member 13 arranged at the side of the second structural member 12 for connecting an operating rod to hang the first structural member 11; the lower contact structure 3 includes: the fourth structural member 31 is used for being connected with the lightning arrester body grounding copper bar 4; a fifth structural member 32 disposed at the bottom of the fourth structural member 31 and connected to the fourth structural member 31; the second structural member is connected with one end of the wire, and the fifth structural member is connected with the other end of the wire.
The invention provides a novel electrified auxiliary replacing device for a head of an arrester, which is used for establishing effective bypass grounding during electrified replacement of a meter, wherein the replacing mode is that a lower contact structure is firstly installed at a grounding point of an arrester body, an upper contact structure is installed on a connecting copper bar at the top end of the arrester meter by utilizing an insulating operation rod, whether the leakage current of the meter is zero or not is checked, the fault arrester meter is replaced after reliable grounding is ensured, a meter bolt is fastened after replacement is finished, after connection and fastening are checked, the upper contact structure is firstly taken down, whether the meter current is recovered or not is checked, and then the grounding of the lower contact structure is taken down.
In an embodiment of the present invention, the upper contact structure includes: the first structural member that constitutes by the copper shell fragment and set up in the second structural member in the first structural member outside, wherein the second structural member is U type draw-in groove copper structure, connects the inside both sides shell fragment in U type draw-in groove when using, and the both sides shell fragment of first structural member is fixed on the upper and lower inner wall of U type copper structure, has certain hard power, can just in time with ground connection band iron chucking inside U type draw-in groove main part to can well contact.
In the embodiment of the present invention, the first structural member 11 is made of a multi-surface copper spring. The third structural member 13 is a metal snap-in structure. The third structural member is a pipe-shaped connecting device suitable for being connected with the operating rod and is used for hanging and connecting the operating rod when the equipment is higher;
the metal buckle type structure comprises a first metal rod 121 and a second metal rod 122, wherein a first hole is formed in the first metal rod 121, the second metal rod 122 penetrates through the mounting hole to be perpendicular to the first metal rod 121, and the diameter of the second metal rod 122 is smaller than that of the first metal rod 121.
In the embodiment of the invention, the lead 2 is a copper lead with a rubber sheath and a cross-sectional area of 25mm2, and the two ends of the copper lead are provided with crimping copper wire noses. The second structural member and the fifth structural member are connected through fastening bolts; the third structural member is connected with the second structural member at 90 degrees, so that the insulating rod can be conveniently used for clamping.
The fourth structural member 31 is a T-shaped threaded compression joint plate, the second structural member 12 and the fifth structural member 32 are U-shaped slots made of integrally formed copper plates, and the second structural member and the fifth structural member are U-shaped slots made of three copper plates in a welded manner, so that the strength reliability of the second structural member and the fifth structural member is ensured
And anti-skid fine threads are arranged in the U-shaped clamping grooves of the fifth structural member 32. The fifth structural member is internally provided with fine threads for preventing sliding, so that the internal friction between the fifth structural member and the ground copper bar is increased, and the ground reliability is ensured.
The T-shaped screw crimping plate comprises a third metal rod 311, a fourth metal rod 312 and a metal panel 313, wherein the third metal rod 311 is arranged on the metal panel 313, a second mounting hole is arranged at the upper end of the third metal rod 311, the fourth metal rod 312 is arranged on the second mounting hole, the fourth metal rod 312 and the third metal rod 311 are vertically arranged, and a screw thread is arranged on the outer side of the third metal rod 311.
The fourth structural part adopts a T-shaped threaded crimping plate, wherein the metal rod at the horizontal position of the upper part is convenient to rotate; the metal rod in the vertical direction is threaded, and the bealock on the upper part of the U-shaped clamping groove penetrates through the threads and can be used for fixing; the metal panel at the lower part is used for compressing the grounding flat iron; the leakage current of the device is fully grounded, one surface of the device is connected with the fifth structural member into a whole through threads, the other surface of the device can be pressed on a grounding copper bar through screwing, the whole grounding device is firmly attached to the surface of equipment, and the fifth structural member and the second structural member are both copper structural clamping grooves;
in the embodiment of the invention, the first structural member is made of a multi-surface copper elastic sheet card. The third structural component is of a metal buckle type structure, can be connected with the operating rod, and can be used for installing the grounding wire when the grounding flat iron is high. The metal buckle type structure of the third structural component is specifically manufactured by punching a metal rod and putting a thin metal rod with two symmetrical ends.
According to the lightning arrester meter, the special wire clamp is designed, the appearance size of the wire clamp is reasonably set, the wire clamp can be effectively installed on the metal surface of grounding equipment, the grounding connection wire is effectively fixed, good grounding is fully ensured, the grounding wire clamp is fully contacted with the surface of equipment to be tested, the contact surface is enlarged, the contact resistance is reduced, good grounding of a body is ensured when the lightning arrester meter is replaced, and the equipment and personal safety is guaranteed.
While the preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, the present invention is not limited to the above embodiments, and various changes, which relate to the related art known to those skilled in the art and fall within the scope of the present invention, can be made within the knowledge of those skilled in the art without departing from the gist of the present invention.
The present invention has been described in detail, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art. Many other changes and modifications can be made without departing from the spirit and scope of the invention. It is to be understood that the invention is not to be limited to the specific embodiments, but only by the scope of the appended claims.
Claims (10)
1. The utility model provides a novel supplementary change of arrester gauge outfit is electrified which characterized in that includes:
an upper contact structure, a wire, and a lower contact structure;
the upper contact structure is connected with the lower contact structure through the lead;
the upper contact structure includes:
the first structural member is used for being in contact with a connecting copper bar at the top end of the lightning arrester meter;
the second structural part is arranged on the outer side of the first structural part and is used for fixing and supporting the first structural part;
the third structural member is arranged on the side edge of the second structural member and is used for connecting an operating rod to hang the first structural member;
the lower contact structure includes:
the fourth structural member is used for being connected with the grounding copper bar of the lightning arrester body;
the fifth structural part is arranged at the bottom of the fourth structural part and is connected with the fourth structural part;
the second structural member is connected with one end of the wire, and the fifth structural member is connected with the other end of the wire.
2. The device for assisting in replacing the gauge outfit of the lightning arrester of claim 1, wherein the first structural member is made of a multi-surface copper spring.
3. The new type of the lightning arrester gauge outfit with the auxiliary replacing device as claimed in claim 1, wherein the third structural member is a metal snap-in structure.
4. The device for replacing the arrester gauge outfit with electricity as claimed in claim 1, wherein the metal snap-in structure comprises a first metal rod and a second metal rod, the first metal rod is provided with a first hole, the second metal rod passes through the mounting hole and is perpendicular to the first metal rod, and the diameter of the second metal rod is smaller than that of the first metal rod.
5. The novel lightning arrester gauge outfit electrified auxiliary replacing device according to claim 1, characterized in that the conducting wire is provided with a rubber sheath with a cross-sectional area of 25mm2The copper wire, and the both ends of copper wire set up crimping copper wire nose.
6. The device for assisting in replacing the gauge outfit of the lightning arrester according to claim 1, wherein the second structural member and the fifth structural member are U-shaped slots made of integrally formed copper plates.
7. The novel lightning arrester gauge outfit auxiliary replacing device according to claim 6, characterized in that anti-skid fine threads are arranged inside the U-shaped clamping groove of the fifth structural member.
8. The device for assisting in replacing the gauge outfit of the lightning arrester according to claim 1, wherein the fourth structural member is a T-shaped screw-type press-connection plate.
9. The device for assisting in replacing the gauge outfit of the lightning arrester according to claim 8, wherein the T-shaped screw-type crimping plate comprises a third metal rod, a fourth metal rod and a metal panel, the third metal rod is arranged on the metal panel, a second mounting hole is arranged at the upper end of the third metal rod, the fourth metal rod is arranged on the second mounting hole, and the fourth metal rod and the third metal rod are arranged perpendicularly.
10. The new type lightning arrester gauge outfit auxiliary replacing device of claim 9, wherein the outside of the third metal rod is provided with screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903396.0A CN113595018A (en) | 2021-08-06 | 2021-08-06 | Novel electrified supplementary change of arrester gauge outfit device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110903396.0A CN113595018A (en) | 2021-08-06 | 2021-08-06 | Novel electrified supplementary change of arrester gauge outfit device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113595018A true CN113595018A (en) | 2021-11-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110903396.0A Pending CN113595018A (en) | 2021-08-06 | 2021-08-06 | Novel electrified supplementary change of arrester gauge outfit device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113595018A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204556749U (en) * | 2015-03-27 | 2015-08-12 | 都匀供电局 | The mode of wireless transmission lightning arrester live-line test device utilizing pincer structure to sample |
| CN206004282U (en) * | 2016-09-23 | 2017-03-08 | 山东梅格彤天电气有限公司 | A kind of can powered dismounting spark gap |
| CN107069552A (en) * | 2017-05-08 | 2017-08-18 | 昆明理工大学 | A kind of arrester discharge counter live replacing device and its application method |
-
2021
- 2021-08-06 CN CN202110903396.0A patent/CN113595018A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204556749U (en) * | 2015-03-27 | 2015-08-12 | 都匀供电局 | The mode of wireless transmission lightning arrester live-line test device utilizing pincer structure to sample |
| CN206004282U (en) * | 2016-09-23 | 2017-03-08 | 山东梅格彤天电气有限公司 | A kind of can powered dismounting spark gap |
| CN107069552A (en) * | 2017-05-08 | 2017-08-18 | 昆明理工大学 | A kind of arrester discharge counter live replacing device and its application method |
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