CN-224217713-U - High-density electric grounding electrode device suitable for hard slope surface

CN224217713UCN 224217713 UCN224217713 UCN 224217713UCN-224217713-U

Abstract

The utility model provides a high-density electric grounding electrode device suitable for a hard slope surface, which belongs to the technical field of geophysical exploration devices and comprises a shell, wherein a top cover is arranged at the upper part of the shell, three filling holes and an electrode socket are formed in the top cover, three independent cabins are arranged at the inner side of the shell and are respectively communicated with the three independent cabins, a valve is arranged at the bottom of each independent cabin, a mixing cabin is arranged at the inner side of the shell, the mixing cabin is arranged at the lower side of the three independent cabins and is communicated with the three independent cabins through the three valves, a conductive bottom plate is detachably connected to the bottom of the shell and is a bottom plate of the mixing cabin, and electrodes extend out of the electrode socket and are used for being connected with a cable commonly used in a high-density electric method, and the lower end of each electrode is contacted with the conductive bottom plate. The utility model can be placed on the surface of a hard slope, and the electrode is fully contacted with the ground, so that the grounding resistance is reduced, and the current can be smoothly supplied into the ground.

Inventors

LI QIAN
WU JUNJIE
HE LONGXIANG
ZHENG ZHENGFENG
WEN ZHICHENG
CHEN QIANLONG
ZHANG XIAOJIAN
Zong Yuquan
Deng Wenda
WANG HAO
WANG WEI
XU YANBING
DONG ZHIJUN
ZHANG MINGJUN

Assignees

中国电力工程顾问集团中南电力设计院有限公司
武汉中电工程检测有限公司

Dates

Publication Date: 20260508
Application Date: 20250520

Claims (10)

1. A high density electrical ground electrode assembly adapted for use on a hard sloped surface, comprising: the upper part of the shell is provided with a top cover, and the top cover is provided with three filling holes and an electrode socket; The three independent cabins are arranged on the inner side of the shell, and the three filling holes are respectively communicated with the three independent cabins; The mixing cabin is arranged at the lower sides of the three independent cabins and is communicated with the three independent cabins through the three valves; a conductive base plate detachably connected to the bottom of the housing, the conductive base plate being a base plate of the mixing chamber, and The upper end of the electrode extends out of the electrode socket and is used for being connected with a cable commonly used for a high-density electric method, and the lower end of the electrode is contacted with the conductive bottom plate.
2. A high density electrical ground electrode assembly for a hard ramp surface as defined in claim 1, wherein the bottom of each of said independent compartments is provided with a feed opening, each of said valves comprising: the fixed shaft is fixedly connected to the lower side of the bottom plate of the independent cabin; A rotary cover plate with one end rotatably connected with the fixed shaft, the rotary cover plate can be covered under the feed opening, the upper side surface of the rotary cover plate is abutted with the bottom plate of the independent cabin, and One end of the rotating rod is fixedly connected with the rotating cover plate; The shell is provided with three through grooves communicated with the mixing cabin, and the other end of each rotating rod penetrates through the through grooves and then extends out of the shell.
3. The high-density electrical grounding electrode device suitable for a hard slope surface according to claim 2, wherein the discharging opening is a plurality of discharging holes formed in a bottom plate of the independent cabin, and/or a sealing rubber cushion is arranged at a contact position of the rotary cover plate and the bottom plate of the independent cabin.
4. The high-density electrical ground electrode assembly of claim 1, wherein said housing has a side projection on an inner side of a bottom portion thereof, and wherein said conductive base plate has a side recess on a side thereof for mating engagement with said side projection.
5. A high density electrical ground electrode assembly, as set forth in claim 1, adapted for use on a hard sloped surface, wherein said conductive base plate is provided with a plurality of bottom protrusions on a side thereof facing away from said housing.
6. A high density electrical ground electrode assembly, as set forth in claim 1, adapted for use on hard ramp surfaces, wherein said electrodes comprise interconnected copper bars, wires and clamps for connection to a high density electrical utility cable.
7. A high density electrical ground electrode assembly as set forth in claim 6, wherein said copper bar has a transverse groove at one end, said wire is welded to said transverse groove at one end and said wire is connected to said terminal at the other end.
8. The high-density electrical grounding electrode device suitable for a hard slope surface according to claim 7, wherein the diameter of the copper rod is 7-10 mm, the width of the transverse groove is 3-5 mm, and the jointing clamp comprises a copper clamp and a plastic body coated on the surface of the copper clamp.
9. A high density electrical ground electrode assembly for a hard ramp surface as recited in claim 1, wherein graphite powder, cement powder and water are stored in three of said separate compartments, respectively.
10. A high density electrical ground electrode assembly, as set forth in any one of claims 1-9, adapted for use on hard sloped surfaces, wherein said housing is in the shape of a conical flask.

Description

High-density electric grounding electrode device suitable for hard slope surface Technical Field The utility model belongs to the technical field of geophysical exploration devices, and particularly relates to a high-density electrical grounding electrode device suitable for a hard slope surface. Background Reservoir dams are used as important water conservancy infrastructure, and the safe operation of the reservoir dams is directly related to the safety of downstream people living and property and ecological environment. Leakage is one of the common hidden hazards of a dam, and if the hidden hazards are not found and treated in time, serious consequences such as dam erosion, piping and even dam break can be caused. Therefore, the rapid and accurate detection of the dam leakage path is important to ensure the safety of the dam. As an efficient and nondestructive geophysical detection technology, the high-density electrical method can effectively identify hidden troubles such as a leakage area, a water-containing fracture, a weak interlayer and the like by measuring the resistivity change of a medium. Compared with the traditional drilling method, the method has the advantages of high detection speed, wide coverage range, high data resolution and the like, is particularly suitable for early identification and positioning of potential leakage hazards of the reservoir dam, and provides scientific basis for safety evaluation and danger removal reinforcement of the dam. High density electrical methods typically drive a series of copper rod electrodes into the soil to make good contact with the earth, and detect them by supplying voltage, current and measuring them underground. However, the dam slope surface of the reservoir dam is usually a hardened concrete surface layer, and the traditional copper bar electrode has no ability to be used for firstly, the copper bar cannot be inserted into a hardened medium, so that good coupling cannot be formed with the underground, current cannot be conducted, and secondly, even if liquid such as conductive liquid is used as an intermediate medium, the current can be quickly lost on the inclined dam slope surface. Therefore, the traditional high-density electrical method electrode cannot be directly applied to the surface of a hard inclined dam body of a reservoir. Disclosure of utility model The utility model aims to provide a high-density electric grounding electrode device suitable for a hard slope surface, which can be placed on an inclined concrete or rock surface, fully contact a copper electrode with the ground, reduce the grounding resistance and smoothly supply current into the ground, thereby solving the technical problem that the traditional high-density electric method cannot be applied to the inclined hard dam slope surface. To achieve the above object, the present utility model provides a high-density electrical ground electrode assembly adapted for use with a hard sloped surface, comprising: the upper part of the shell is provided with a top cover, and the top cover is provided with three filling holes and an electrode socket; The three independent cabins are arranged on the inner side of the shell, and the three filling holes are respectively communicated with the three independent cabins; The mixing cabin is arranged at the lower sides of the three independent cabins and is communicated with the three independent cabins through the three valves; a conductive base plate detachably connected to the bottom of the housing, the conductive base plate being a base plate of the mixing chamber, and The upper end of the electrode extends out of the electrode socket and is used for being connected with a cable commonly used for a high-density electric method, and the lower end of the electrode is contacted with the conductive bottom plate. Further, the bottom of each independent cabin all is equipped with the feed opening, every the valve includes: the fixed shaft is fixedly connected to the lower side of the bottom plate of the independent cabin; A rotary cover plate with one end rotatably connected with the fixed shaft, the rotary cover plate can be covered under the feed opening, the upper side surface of the rotary cover plate is abutted with the bottom plate of the independent cabin, and One end of the rotating rod is fixedly connected with the rotating cover plate; The shell is provided with three through grooves communicated with the mixing cabin, and the other end of each rotating rod penetrates through the through grooves and then extends out of the shell. Further, the discharging opening is a plurality of discharging holes arranged on the bottom plate of the independent cabin, and/or a sealing rubber pad is arranged at the contact position of the rotary cover plate and the bottom plate of the independent cabin. Further, a side surface bulge is arranged on the inner side of the bottom of the shell, and a side surface groove matched and clamped with the side sur