CN112234366A - Elastic ring electrode for reducing grounding resistance and manufacturing method thereof - Google Patents

Elastic ring electrode for reducing grounding resistance and manufacturing method thereof Download PDF

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Publication number
CN112234366A
CN112234366A CN202011008120.8A CN202011008120A CN112234366A CN 112234366 A CN112234366 A CN 112234366A CN 202011008120 A CN202011008120 A CN 202011008120A CN 112234366 A CN112234366 A CN 112234366A
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China
Prior art keywords
ring
elastic
electrode
plate
lower hollow
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CN202011008120.8A
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CN112234366B (en
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李易
余长恒
张旭林
王安平
刘磊
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Sichuan Natural Resources Investment Group Geophysical Exploration Institute Co ltd
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Sichuan Zhongcheng Coalfield Geophysical Engineering Institute Co ltd
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Publication of CN112234366A publication Critical patent/CN112234366A/en
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R4/00Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/58Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation characterised by the form or material of the contacting members
    • H01R4/66Connections with the terrestrial mass, e.g. earth plate, earth pin
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Pit Excavations, Shoring, Fill Or Stabilisation Of Slopes (AREA)
  • Electrolytic Production Of Metals (AREA)

Abstract

The present invention relates to an elastic ring electrode for reducing ground resistance and a method for manufacturing the same, the elastic ring electrode including: a metal support and a resilient annular conductor; the metal bracket consists of an upper circular ring part and a lower hollow cylindrical part, and the upper part of the lower hollow cylindrical part is connected with the inner ring of the upper circular ring part; the elastic annular conductor comprises an elastic inner container and a metal mesh conductor coated on the surface of the elastic inner container; the elastic annular conductor is arranged around the lower hollow cylinder, and the metal mesh conductor at the upper part of the elastic annular conductor is welded on the bottom surface of the upper annular part; the elastic ring-shaped electrode further comprises a counterweight plate, and the counterweight plate is detachably arranged above the upper circular ring part. The elastic ring electrode provided by the invention does not need to be rammed, watered or drilled during the construction process, and can effectively reduce the ground resistance of bare rocks or cement ground.

Description

Elastic ring electrode for reducing grounding resistance and manufacturing method thereof
Technical Field
The invention relates to the field of geophysical exploration, in particular to an elastic annular electrode for reducing grounding resistance and a manufacturing method thereof.
Background
In the field of electrical prospecting, currently, an iron or steel brazing electrode is generally adopted as a power supply electrode, and the electrode can be rolled up to carry a strip-shaped thin copper sheet, a strip-shaped copper wire braided belt, an aluminum plate, an iron plate and the like. In some special terrains such as high-resistance hard rock exposed areas and cement ground covered areas, the electrode is difficult to ground or cannot be driven into the ground at all. The traditional coping method is a ramming method, namely, a soil pile capable of being inserted with an electrode is manufactured in a construction area by a manual soil piling method, and the viscosity and the conductivity of the soil pile are ensured by pouring saline water. In actual construction, the ramming method has the problems of difficult material taking, complicated construction and the like, has great influence on the surrounding environment, and needs a large amount of after-work. With the increasingly complicated and diversified construction environment of current electrical prospecting, the traditional electrode combined rammed earth reconstruction method is difficult to meet the requirement of actual construction.
Disclosure of Invention
In view of the above-mentioned shortcomings of the prior art, the present invention provides an elastic ring electrode for reducing ground resistance and a method for manufacturing the same.
In order to achieve the purpose, the invention adopts the technical scheme that:
a resilient ring electrode for reducing ground resistance, comprising: a metal support and a resilient annular conductor;
the metal bracket consists of an upper circular ring part and a lower hollow cylindrical part, and the upper part of the lower hollow cylindrical part is connected with the inner ring of the upper circular ring part;
the elastic annular conductor comprises an elastic inner container and a metal mesh conductor coated on the surface of the elastic inner container;
the elastic annular conductor is arranged around the lower hollow cylinder, and the metal mesh conductor at the upper part of the elastic annular conductor is welded on the bottom surface of the upper annular part;
the elastic ring-shaped electrode further comprises a counterweight plate, and the counterweight plate is detachably arranged above the upper circular ring part.
Furthermore, the counterweight plate is circular, and the inner diameter of the counterweight plate is slightly larger than the outer diameter of the lower hollow cylinder.
Further, the counterweight plate is the same as the upper annular part in shape; the material of the counterweight plate is the same as that of the upper circular ring part and the lower hollow cylindrical part.
Further, the top surface of the upper annular part is connected to a preset distance below the top surface of the lower hollow cylindrical part, and the preset distance is consistent with the height of the counterweight plate.
The outer ring of the upper circular part is provided with an electrode lifting ring, and the upper tangent point of the electrode lifting ring is flush with the upper plane of the upper circular part; and the outer ring of the counterweight plate is provided with a bolt matched with the electrode lifting ring.
Further, the inner diameter of the lower hollow cylindrical portion is larger than the width of the measurement mark.
Further, the metal mesh conductor adopts a plain weave or satin weave metal fabric.
Further, the ratio of the outer diameter to the inner diameter of the upper circular part is 3:1 to 5: 1.
In another aspect of the present invention, there is provided a method for manufacturing the elastic ring electrode, including:
step S1, processing a first circular ring plate and a second circular ring plate from the copper plate by using a lathe, wherein the first circular ring plate is used as an upper circular ring part, and the second circular ring plate is used as a counterweight plate;
step S2, processing a hollow cylinder as the lower hollow cylindrical portion from the copper plate by a lathe;
step S3, welding the inner wall of the upper circular ring part at a designated position below the top of the outer wall of the lower hollow cylindrical part;
step S4, making an oil soil cylinder by using oil soil, completely coating the oil soil cylinder with a rubber film, and sealing the edge of the rubber film by a thermoplastic method; bending the oily soil cylinder coated with the rubber film into an annular tube shape to manufacture an elastic inner container;
step S5, completely wrapping the elastic inner container with a copper mesh, and closing the copper mesh with conductive glue to manufacture the mesh conductor;
step S6 is to fit the lower hollow cylindrical portion into an annular inner hollow portion using a mesh conductor, and to weld the upper portion of the mesh conductor to the lower plane of the upper annular portion.
Further, the manufacturing method further includes step S7: vertically cutting a copper ring pipe with the height equal to that of the upper circular part in half along the radial direction, and welding the half of the ring pipe to the periphery of the upper circular part to form an electrode lifting ring;
and vertically cutting the copper bar with the height larger than the thickness of the counterweight plate into halves from the middle shaft, welding the upper part of the section of the copper bar to the periphery of the counterweight plate, and downwards protruding the lower part of the section of the copper bar out of the counterweight plate to form a counterweight plate bolt.
The invention has the beneficial effects that:
the elastic ring electrode provided by the invention does not need to be rammed, watered or drilled during the construction process. During construction, the circular ring part on the upper part of the support is arranged upwards, the elastic liner is arranged downwards, the mesh conductor is attached to the surface of the bare rock or the cement road surface, the electrode support is pressed, the stress of the elastic liner is deformed, the contact area between the mesh conductor and the surface of the bare rock or the cement road surface is increased, and the grounding resistance is reduced.
In a further scheme, when the grounding surface is inclined or too rough, in order to strengthen the grounding effect and avoid the accidental displacement of the electrode, the weight disc can be placed on the electrode support to increase the weight, when the weight disc is placed, the central hole of the weight disc is aligned to the protruding part on the upper part of the support, and the bolt is aligned to the hole of the disk retaining ring of the support, so that the electrode and the support can be completely attached.
In a further scheme, if measurement work is carried out in advance, and a measurement mark is placed at a measurement point position, a central hole of the support can be aligned to the measurement mark during construction and contained in the measurement mark, so that the construction point position accuracy can be further improved, and the measurement system error is reduced.
In addition, the construction finishes and can directly accomodate, and unified stack can not lead to the fact destruction to the construction environment, also does not have any material to leave over, and the environmental protection is clean.
Drawings
FIG. 1 is a view showing the structure of an elastic ring electrode without a weight plate in example 1;
FIG. 2 is a half sectional view of the elastic ring electrode without the weight plate according to example 1;
FIG. 3 is a half sectional view of the weight plate according to embodiment 1;
FIG. 4 is a front view of the elastic ring electrode without the weight plate of example 1;
FIG. 5 is a left side view of the elastic ring electrode of example 1 without the weight plate;
fig. 6 is a front view of the weight plate of embodiment 1;
FIG. 7 is a left side view of the balance weight plate of embodiment 1;
the labels in the figure are: 10-upper circular part, 11-electrode lifting ring, 20-lower hollow cylindrical part, 30-elastic inner container, 40-metal reticular conductor, 50-counterweight plate and 51-counterweight plate plug pin.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Example 1
Embodiment 1 provides an elastic ring electrode, as shown in fig. 1 to 5, comprising: a metal support and a resilient annular conductor;
the metal bracket consists of an upper circular part 10 and a lower hollow cylindrical part 20, wherein the upper part of the lower hollow cylindrical part 20 is connected with the inner ring of the upper circular part 10;
the elastic annular conductor comprises an elastic inner container 30 and a metal mesh conductor 40 coated on the surface of the elastic inner container;
the elastic inner container 30 is in a circular ring shape and is composed of a skin and a filler, in order to facilitate shaping, the contact area between the electrode mesh conductor and the ground surface is increased, the skin is made of latex or rubber elastic materials, the filler is oil soil (plasticine), and preferably, the inner container is made of synthetic rubber.
The diameter and the inner diameter of the elastic inner container 30 after being stressed are the same as those of the upper circular ring part 10 and are higher than that of the lower hollow cylindrical body part 20.
The mesh conductor 40 is made of metal fabric.
Preferably, the mesh conductor manufacturing material is a copper wire.
The wire diameter of the mesh conductor is 0.1mm-0.2 mm.
The wire diameter of the mesh conductor wire is between 0.12mm and 0.15 mm.
The skin is latex film, and thickness is neglected, wraps up the filler completely. The filler is oil soil, the shape and the size of the filler are the same as those of the inner container 30, and the shape is kept by the tension provided by the outer skin.
The mesh conductor 40 is made of copper mesh, covers the inner container 30, completely covers the inner container 30, has the same shape and size as the inner container 30, and has negligible thickness.
The metal mesh conductor 40 is a plain weave or satin weave metal fabric. The plain weave or satin weave can increase the surface area of the mesh conductor 40 contacting with the ground, and the two weave modes have small porosity, so that the liner outer skin can be effectively protected, and hard scraps can be prevented from scratching the liner outer skin in use.
The elastic ring-shaped conductor is disposed around the lower hollow cylinder 20, and the metal mesh conductor 40 of the upper portion thereof is welded to the bottom surface of the upper circular portion 10.
The resilient ring electrode further comprises a weight plate 50, as shown in fig. 6-7, the weight plate 50 being removably disposed over the upper annular portion 10.
The balance weight plate 50 is circular ring-shaped, and the inner diameter thereof is slightly larger than the outer diameter of the lower hollow cylinder 20.
The weight plate 50 is the same shape as the upper circular part 10; the material of the weight plate 50 is the same as that of the upper circular ring part 10 and the lower hollow cylindrical part 20.
The top surface of the upper circular part 10 is connected to the lower part of the top surface of the lower hollow cylindrical part 20 by a preset distance, and the preset distance is consistent with the height of the counterweight plate 50.
An electrode lifting ring 11 is arranged on the outer ring of the upper circular part 10, the upper tangent point of the electrode lifting ring 11 is flush with the upper plane of the upper circular part 10, and the lower tangent point of the electrode lifting ring 11 is flush with the lower plane of the upper circular part 10; the outer ring of the counterweight plate 50 is provided with a bolt 51 matched with the electrode lifting ring 11. The electrode lifting ring 11 facilitates pulling or accommodating the elastic annular electrode, and also serves as a detachable connection interface of the weight plate 50 and the elastic annular electrode, so that the weight of the elastic annular electrode is conveniently realized, and the contact pressure with the ground is increased.
The weight plate 50 is not fixedly connected to the bracket, but may be placed above the bracket in a fitting manner. When the electrode lifting ring is embedded, the inner wall of the counterweight plate 50 is in contact with the outer wall of the lower hollow cylindrical part 20, the upper plane of the counterweight plate 50 and the upper plane of the lower hollow cylindrical part are positioned on the same plane, and the counterweight plate plug pin 51 extends downwards to partially embed the counterweight plate 50 in the electrode lifting ring 11. The weight plate 50 is fitted to the outside of the lower hollow cylindrical portion 20, so that the inner side accommodation space of the lower hollow cylindrical portion 20 can be increased, and the measurement mark can be accommodated more conveniently.
The inner diameter of the lower hollow cylindrical portion 20 is larger than the width of the measurement mark.
The ratio of the outer diameter to the inner diameter of the upper circular portion 10 is 3: 1. By adopting the proportion, the conductive performance of the elastic annular electrode and the balance effect of convenient embedding during construction can be properly ensured.
The diameter of the upper circular part 10 is 150-200 cm.
The inner diameter of the upper circular ring part 10 and the outer diameter of the lower cylindrical part 20 are between 50 and 150 mm.
The thickness of the upper circular part is 4-6 mm.
The height of the lower hollow cylindrical portion 20 is 150 to 200 mm.
The thickness of the lower hollow cylindrical part 20 is 4-6 mm.
Example 2
Embodiment 2 provides a method of manufacturing the elastic ring electrode of embodiment 1, including:
step S1, processing a copper plate with the thickness of 5mm into a first circular ring plate and a second circular ring plate by using a lathe, wherein the first circular ring plate is used as an upper circular ring part 10, and the second circular ring plate is used as a counterweight plate 50;
step S2, processing a copper plate having a thickness of 5mm into a hollow cylinder 20 as the lower hollow cylinder portion by a lathe;
step S3, welding the inner wall of the upper circular part 10 to a specified position below the top of the outer wall of the lower hollow cylindrical part 20; the indicating position is 5 mm-10 mm from the top of the lower hollow cylindrical part 20.
Step S4, using about 210000mm3Making the oil soil into oil soil cylinders with the diameter of 60mm and the length of 450mm, cutting the rubber film into rectangles with the diameter of 400mm x 900mm, then covering the rubber film outside the oil soil cylinders to completely cover the outer walls of the oil soil cylinders, and sealing the edges of the oil soil cylinders by a thermoplastic method to completely seal the oil soil cylinders. And bending the oil soil cylinder with the rubber film again to manufacture the inner container 30.
Step S5, completely wrapping the elastic inner container with a copper mesh, and closing the copper mesh with a conductive glue to form the mesh conductor, specifically: cutting the copper mesh into a rectangle of 200mm 440mm, then covering the copper mesh outside the elastic inner container 30, completely covering the inner container 30, and then closing the inner container by using conductive glue to manufacture the metal mesh conductor 40.
Step S6, inserting the lower hollow cylindrical portion into an annular inner hollow portion using a mesh conductor, and welding the upper portion of the mesh conductor to the lower plane of the upper annular portion, specifically: the lower hollow cylindrical portion 20 is inserted into the hollow portion inside the torus using the mesh conductor 40, and the upper portion of the mesh conductor 40 is welded to the lower plane of the upper torus 10.
Step S7: vertically cutting a copper ring pipe with the height equal to that of the upper circular part 10 in half along the radial direction, and welding the half of the ring pipe to the periphery of the upper circular part to form an electrode lifting ring 11;
the copper bar with the height larger than the thickness of the counterweight plate 50 is vertically cut in half from the central axis, the upper part of the section of the copper bar is welded on the periphery of the counterweight plate 50, and the lower part of the section of the copper bar downwards protrudes out of the counterweight plate to form a counterweight plate bolt 51.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. An elastic ring electrode for reducing ground resistance, comprising: a metal support and a resilient annular conductor;
the metal bracket consists of an upper circular ring part and a lower hollow cylindrical part, and the upper part of the lower hollow cylindrical part is connected with the inner ring of the upper circular ring part;
the elastic annular conductor comprises an elastic inner container and a metal mesh conductor coated on the surface of the elastic inner container;
the elastic annular conductor is arranged around the lower hollow cylinder, and the metal mesh conductor at the upper part of the elastic annular conductor is welded on the bottom surface of the upper annular part;
the elastic ring-shaped electrode further comprises a counterweight plate, and the counterweight plate is detachably arranged above the upper circular ring part.
2. The elastic ring electrode of claim 1, wherein: the counterweight plate is circular ring-shaped, and the inner diameter of the counterweight plate is slightly larger than the outer diameter of the lower hollow cylinder.
3. The elastic ring electrode of claim 2, wherein: the counterweight plate is in the same shape as the upper circular ring part; the material of the counterweight plate is the same as that of the upper circular ring part and the lower hollow cylindrical part.
4. The elastic ring electrode of claim 1, wherein: the top surface of the upper circular ring part is connected to a preset distance below the top surface of the lower hollow cylindrical part, and the preset distance is consistent with the height of the counterweight plate.
5. The elastic ring electrode of claim 1, wherein: the outer ring of the upper circular part is provided with an electrode lifting ring, and the upper tangent point of the electrode lifting ring is flush with the upper plane of the upper circular part; and the outer ring of the counterweight plate is provided with a bolt matched with the electrode lifting ring.
6. The elastic ring electrode of claim 1, wherein: the inner diameter of the lower hollow cylindrical part is larger than the width of the measuring mark.
7. The elastic ring electrode of claim 1, wherein: the metal mesh conductor adopts a plain weave or satin weave metal fabric.
8. The elastic ring electrode of claim 1, wherein: the ratio of the outer diameter to the inner diameter of the upper circular part is 3:1 to 5: 1.
9. A method of manufacturing a resilient ring electrode according to any of claims 1-8, comprising:
step S1, processing a first circular ring plate and a second circular ring plate from the copper plate by using a lathe, wherein the first circular ring plate is used as an upper circular ring part, and the second circular ring plate is used as a counterweight plate;
step S2, processing a hollow cylinder as the lower hollow cylindrical portion from the copper plate by a lathe;
step S3, welding the inner wall of the upper circular ring part at a designated position below the top of the outer wall of the lower hollow cylindrical part;
step S4, making an oil soil cylinder by using oil soil, completely coating the oil soil cylinder with a rubber film, and sealing the edge of the rubber film by a thermoplastic method; bending the oily soil cylinder coated with the rubber film into an annular tube shape to manufacture an elastic inner container;
step S5, completely wrapping the elastic inner container with a copper mesh, and closing the copper mesh with conductive glue to manufacture the mesh conductor;
step S6 is to fit the lower hollow cylindrical portion into an annular inner hollow portion using a mesh conductor, and to weld the upper portion of the mesh conductor to the lower plane of the upper annular portion.
10. The manufacturing method according to claim 9, further comprising step S7: vertically cutting a copper ring pipe with the height equal to that of the upper circular part in half along the radial direction, and welding the half of the ring pipe to the periphery of the upper circular part to form an electrode lifting ring;
and vertically cutting the copper bar with the height larger than the thickness of the counterweight plate into halves from the middle shaft, welding the upper part of the section of the copper bar to the periphery of the counterweight plate, and downwards protruding the lower part of the section of the copper bar out of the counterweight plate to form a counterweight plate bolt.
CN202011008120.8A 2020-09-23 2020-09-23 Elastic ring electrode for reducing grounding resistance and manufacturing method thereof Active CN112234366B (en)

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CN112234366B CN112234366B (en) 2021-11-02

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6231357B1 (en) * 1998-01-20 2001-05-15 Relight America, Inc. Waterproof high voltage connector
CN2770117Y (en) * 2005-01-11 2006-04-05 华为技术有限公司 Radio-frequency grounding ring
CN109149181A (en) * 2018-09-12 2019-01-04 上海航天科工电器研究院有限公司 A kind of elastic shading ring for signal transmission
CN210052856U (en) * 2019-08-13 2020-02-11 北京市地质调查研究院 Grounding electrode device of high-density electrical method instrument

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6231357B1 (en) * 1998-01-20 2001-05-15 Relight America, Inc. Waterproof high voltage connector
CN2770117Y (en) * 2005-01-11 2006-04-05 华为技术有限公司 Radio-frequency grounding ring
CN109149181A (en) * 2018-09-12 2019-01-04 上海航天科工电器研究院有限公司 A kind of elastic shading ring for signal transmission
CN210052856U (en) * 2019-08-13 2020-02-11 北京市地质调查研究院 Grounding electrode device of high-density electrical method instrument

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Address after: No.39 Qinghua Road, Qingyang District, Chengdu, Sichuan 610072

Patentee after: Sichuan Natural Resources Investment Group Geophysical Exploration Institute Co.,Ltd.

Address before: No.39 Qinghua Road, Qingyang District, Chengdu, Sichuan 610072

Patentee before: SICHUAN ZHONGCHENG COALFIELD GEOPHYSICAL ENGINEERING INSTITUTE CO.,LTD.