CN208111707U - A kind of deep contact earthing pole and auxiliary facility suitable for extreme terrain - Google Patents
A kind of deep contact earthing pole and auxiliary facility suitable for extreme terrain Download PDFInfo
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- CN208111707U CN208111707U CN201820565098.9U CN201820565098U CN208111707U CN 208111707 U CN208111707 U CN 208111707U CN 201820565098 U CN201820565098 U CN 201820565098U CN 208111707 U CN208111707 U CN 208111707U
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- earthing pole
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- drill bit
- pressure water
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Abstract
The utility model relates to power ground equipment technical field, especially a kind of deep contact earthing pole and auxiliary facility suitable for extreme terrain.Existing routine grounding body and earthing pole are not able to satisfy northern China, Midwest arid tract, and soil resistivity is high, especially the status in Inner Mongol Kailu area.Earthing pole described in the utility model is vertically laid in around the pedestal of the transmission tower；Earthing pole is made of multistage steel pipe, and the bottom end of steel pipe is equipped with drill bit, and drill bit side wall is equipped with nozzle, and nozzle is connect with high-pressure water pipe, external high pressure water installations；It is equipped with cylindrical wall cylinder around the steel pipe, is protruded into for controlling earthing pole to underground.The utility model digs deep-well using hydraulic jet, overlength earthing pole is placed in underground, the earthing pole and corresponding matched insertion apparatus, conduct electricity very well, are easy for construction, low cost, and being able to solve extreme terrain, area because of soil resistivity height leads to the problem for being grounded performance difference.
Description
Technical field
The utility model relates to power ground equipment technical field, especially a kind of deep contact ground connection suitable for extreme terrain
Pole.
Background technique
According to State Grid DL/T621-1997《The ground connection of alternating-current electric device》Standard and the operation of relevant electric power safety
Regulation is installing and using transmission tower（Including annular concrete electric pole, similarly hereinafter）When, it is necessary to it is connected to ground wire.I
The history for having more than 100 years using concurrent powered operation of state, the mode being grounded is made of ground pipe in actual power
With the history for having more than 80 years in operation.The earthing mode of above-mentioned concurrent generally by earthing pole, to grounded parts,
Down conductor composition.Artificial earthing pole mean level laying or vertical run, or both combination, mostly use round steel, angle steel,
Band steel, steel pipe etc. are used as earthing pole material, and for general landform, soil soil property, the buried depth of above-mentioned earthing pole is at several meters
Good earthing effect can be realized in range.In northern China, Midwest arid tract, soil resistivity is high, especially interior
Mongolian Kailu area.Kailu County is located in western Liaohe River alluvial plain western part, and morphogenesis belongs to accumulation type, and it is heavy that western Liaohe River water system is spread unchecked
Product, make along the river two sides there is broad alluvial flat.Eolian transportation and sedimentation make mesorelief and mima type microrelief sand ground occur
Superposition forms the Modern Geomorphological profile that Plain and natural pond stick together spaced in the vertical structure on level land, flood plain lake ponding at
Geomorphic feature is very distinct.Whole county topography is low in Xi Gaodong, is slightly tilted among north-south, and height above sea level is from platform river mouth to Xingan
One line of township is 330-250-210 meters, and 120 meters of height difference, 242 meters of average height, about 1 meter/kilometer drops in ratio naturally.Due to weather original
Cause, only 338.3 millimeters of average annual rainfall, level of ground water decline is serious, averagely has dropped to 6.8 meters.
The power equipment set by above-mentioned area, ground line and earthing pole exist as following drawbacks：
1, the presence of multiple grounding is possible to hide the generation of zero main line disconnection fault.Single-phase electric devices are connect by repeating
Ground constitutes new electric loop and works on, and extends fault time；
2, after the appearance of zero main line disconnection fault, electrical equipment is such as continued to use, because of working earthing resistance and can repeat to connect
The presence of ground resistance causes zero curve null offset, occurs two kinds of zero curve voltage-to-grounds before and after fault point, protective earthing-neutral conductor is caused to charge
And the long-term existence with the work of electrical equipment；
3, under normal conditions, equipment exposed conductive part connect to form zero connection protection with protective earthing-neutral conductor, but in zero main line breakpoint
Connect electrical equipment is actually transformed into protected mode later, forms the mixed system of zero connection protection, ground protection, there are electric shocks
Risk.
Existing grounding body and earthing pole are not able to satisfy the status in Kailu area, should be suitable for because of ground, and design meets this area
Power equipment earthing pole.
Summary of the invention
The purpose of this utility model is：The deep contact earthing pole and auxiliary facility for being suitable for extreme terrain are provided, it can be
The extreme terrain（Or area）Quickly arrangement, easy installation, are realized in extreme terrain（Or area）To being abutted against for power equipment
Ground, to solve the problems, such as that above-mentioned conventional earthing pole exists.
Used technical solution is to solve above-mentioned technical problem：
A kind of deep contact earthing pole and auxiliary facility suitable for extreme terrain, including downlead, earthing pole, the downlead
For along the tower leg of transmission tower or the body of rod laying round steel and/or band steel, for the transmission tower reliably to be connected with earthing pole
It connects, it is characterised in that：.
The earthing pole is vertically laid in around the pedestal of the transmission tower；
The earthing pole is made of multistage steel pipe head and the tail connection；
The bottom end of the steel pipe of the bottom is equipped with drill bit, and the top of the steel pipe of the top is equipped with driving head, and driving head is used
In assembly connection external driver device, earthing pole is placed in underground；
The earthing pole is equipped with interconnecting piece, passes through the mutual assembly connection of interconnecting piece between steel pipe or is fixedly connected；
The top of the steel pipe of the top is equipped with connecting terminal, and connecting terminal is for connecting downlead.
The steel pipe is hollow structure, and steel pipe can be connected as hollow sealed tube body by the interconnecting piece；
The drill bit is tapered, bit upper end and steel pipe airtight connection, and drill bit has nozzle, breaks portion, wherein
Portion is broken with tip, for piercing through the firm hard formations such as soil property, sandy soil, gravel, or penetrates rock；
Nozzle is located on the tapered sidewalls of drill bit, and the nozzle cavity hollow with steel pipe is connected to, the spray angle inclination of nozzle,
The middle line of the spray angle and steel pipe has crosspoint, and,
The distance between the crosspoint and bit point of the drill are 5-20 centimetres.
The top of the driving head or the top steel pipe is equipped with high-pressure water pipe and matched connecting pin, high-pressure water pipe and outside
High-pressure water device connection；
The earthing pole, including steel pipe and interconnecting piece, driving head, drill bit seal against each other connection, form a pressure piping,
The pressure piping is connect by high-pressure water pipe with external high pressure water installations.
Wall cylinder is equipped with around the steel pipe, wall cylinder is cylindrical, and 2-5 times of a diameter of diameter of steel tube；
The wall cylinder bottom opening, and the edge of opening inwardly collapses, opening bore is less than wall cylinder diameter.
The external driver device is lifting device, is protruded into for controlling earthing pole to underground；
The lifting device has vertical guide rail, and guide rail is equipped with sliding block, and sliding block passes through the drive of actuating arm and steel pipe top
Dynamic head assembly connection；
The top of the wall cylinder and actuating arm elastic connection, elastic connecting element can be flexible in vertical direction, are wall
Cylinder provides up and down surplus.
The utility model has the beneficial effects that：The steel pipe earthing pole of special construction is used to adaptation to local conditions, and borrows steel pipe
Hollow structure cooperates drill bit, digs deep-well using hydraulic jet, and overlength earthing pole is placed in underground, the earthing pole and corresponding mating
Insertion apparatus, conduct electricity very well, be easy for construction, low cost, be able to solve extreme terrain, area because soil resistivity height due to
The problem for causing to be grounded performance difference, the utility model have high safety, economy, feasibility, necessity.
Detailed description of the invention
Attached drawing is as follows：
Fig. 1 is the structural schematic diagram of the utility model embodiment one；
Fig. 2 is the structural schematic diagram of the utility model embodiment two；
Fig. 3 is the structural schematic diagram of two drill bit of the utility model embodiment；
Fig. 4 is the structural schematic diagram of the utility model embodiment three.
Wherein：
1 downlead
2 earthing poles
3 steel pipe, 31 connecting terminal, 32 driving head, 33 interconnecting piece, 34 drill bit, 35 nozzle 36 breaks portion
4 wall cylinders
5 lifting device, 51 vertical guide rail, 52 sliding block, 53 actuating arm, 54 elastic connecting element
6 high-pressure water pipes.
Specific embodiment
Embodiment 1：
As shown in Figure 1, a kind of deep contact earthing pole and auxiliary facility suitable for extreme terrain described in the present embodiment, including draw
Offline, earthing pole, the downlead are the round steel and/or band steel laid along the tower leg or the body of rod of transmission tower, and being used for will be described
Transmission tower is reliably connected with earthing pole, and the earthing pole is vertically laid in around the pedestal of the transmission tower, uses ring
When shape concurrent, apart from 60-150 centimetres of electric pole, topography and geomorphology, soil property feature for Kailu area connect the earthing pole
Optimum distance between earth polar and electric pole is 100 centimetres；And use tower bar（Such as checker board truss shaft tower）When, with multiple towers
Foot, earthing pole described in the present embodiment can be arranged on one or more column foots of tower bar, and further will be on multiple column foots
Multiple earthing poles horizontal looped network is connected as using conductor, to reinforce earthing effect；The earthing pole is connected by multistage steel pipe head and the tail
Connect composition, the steel pipe is connected between steel pipe by modes such as screw thread pipe collar, welding preferably with 2 cun of coating steel pipes；In conjunction with opening
The consideration of Shandong regional geology feature and the cost of processed materials purchased, installation cost etc., the steel pipe are preferably that 2 cun of long 6 meters are zinc-plated
Steel pipe, it is about 18 meters of earthing poles that three steel pipes, which are connected as an overall length,（Consider the junction loss and upper and lower side between steel pipe
Accessory, such as drill bit, driving head, earthing pole overall length are about 18 meters, and error does not influence earthing effect）；It is described most
The bottom end of the steel pipe of lower section is equipped with drill bit, and the top of the steel pipe of the top is equipped with driving head, and driving head is for outside assembly connection
Earthing pole is placed in underground by driving device, which can be rotating device, hammering device, percussion device etc.
（For the prior art, repeat no more）, earthing pole is pierced into underground, or pound and only connect as manipulation into underground or the driving device
Earth polar（Steel pipe）Equipment, for continue, smoothly control earthing pole enter underground；The earthing pole is equipped with interconnecting piece, steel pipe
Between by the mutual assembly connection of interconnecting piece or being fixedly connected, which can be screw thread pipe collar as described above etc.；It is described
The top of the steel pipe of the top is equipped with connecting terminal, and connecting terminal is for connecting downlead.
Further, flight can also be set on the drill bit and/or steel pipe（It is not shown in the figure）, pass through said external
Driving device rotates entire earthing pole, so that earthing pole pierces underground；Alternatively, it is also possible to individually be arranged on drill bit
Flight, and drill bit can independently be rotated relative to steel pipe, drill bit can be sequentially connected by drive link and driving device, by
This, external driver device drives drill bit rotation, and drill bit screws in underground, and driving device is cooperated to make drill bit to the pushing of earthing pole
It drives steel pipe to pierce underground, completes the buried of earthing pole.
Further, the connecting portions such as screw thread pipe collar, the welding connected between the steel pipe, progress antirust treatment, with
Extend the service life of earthing pole.
Embodiment 2：
As shown in Figure 2,3, on that basi of the above embodiments, steel pipe described in the present embodiment is hollow structure, the interconnecting piece
Steel pipe can be connected as to hollow sealed tube body；The drill bit is tapered, and bit upper end and steel pipe airtight connection, drill bit have
Nozzle breaks portion, wherein the portion of breaking has tip, for piercing through the firm hard formations such as soil property, sandy soil, gravel, or penetrates rock；
Nozzle is located on the tapered sidewalls of drill bit, and the nozzle cavity hollow with steel pipe is connected to, the spray angle inclination of nozzle, the jet angle
The middle line of degree and steel pipe has crosspoint, and,
The distance between the crosspoint and bit point of the drill are 5-20 centimetres.The top of the driving head or the top steel pipe is set
There are high-pressure water pipe and matched connecting pin, high-pressure water pipe to connect with external high pressure water installations；The earthing pole, including steel pipe and company
Socket part, driving head, drill bit seal against each other connection, form a pressure piping, and the pressure piping is high by high-pressure water pipe and outside
Compressed water generation apparatus connection.
In use, diameter is that 2-10 times of diameter of steel tube is first in the hole of at least 1 meter depth of position digging one of embedded earthing pole
Preferably, then by earthing pole it is placed in the hole, the drill bit of earthing pole is against hole bottom；Righting earthing pole is simultaneously supported, and is opened external high
Compressed water generation apparatus, the grounded pole of high pressure water flow（Steel pipe）The nozzle of drill bit projects, and impacts hole bottom；As hole bottom position sinks, will connect
Earth polar decline, and keep earthing pole drill bit at a distance from the bottom of hole less than 20 centimetres, to guarantee high pressure water flow to the impact energy at hole bottom
Power.
Further, drill bit has rotating part, and nozzle is located on rotating part, and rotating part passes through the impeller being arranged thereon by water
Stream impacts and realizes rotation；Because nozzle is located at drill bit（That is rotating part）The side of cone, when rotating part quickly rotates, Ke Yijie
Rotary water current is formed on earth polar bottom, in favor of being separated by solid-liquid separation, reducing injection stream resistance, to accelerate driving speed.
Further, to prevent earthing pole during decline, middle and upper part by hole wall collapsing congestion, hinder earthing pole after
It is continuous to decline, wall cylinder is equipped with around the steel pipe, wall cylinder is cylindrical, and 2-5 times of a diameter of diameter of steel tube, wall cylinder bottom
Opening, and the edge of opening inwardly collapses, opening bore is less than wall cylinder diameter.The wall cylinder plays the role of supporting hole wall,
Wall cylinder declines therewith with the decline of earthing pole, keeps synchronizing moving；The opening of wall cylinder bottom is used for the high pressure water flow of bit nozzle
It projects, impact hole bottom, the edge of wall cylinder bottom opening inwardly collapses, and forms the inclination necking of concave shaped, which can will be by
The bulk sandstone of high pressure water flow strikes are also beneficial to wall cylinder entire lowering to shunting on the outside of wall cylinder.Complete earthing pole merging,
After buried, the wall cylinder can stay in original place, convenient for the maintenance of later period earthing pole, can also be drawn off, to continue to use,
Save the cost.
Embodiment 3：
Further, as shown in figure 4, on that basi of the above embodiments, external driver device described in the present embodiment is lifting
Device is protruded into for controlling earthing pole to underground；The lifting device has vertical guide rail, and guide rail is equipped with sliding block, and sliding block is logical
It overdrives the driving head assembly connection of arm and steel pipe top；The top of the wall cylinder and actuating arm elastic connection, elastic connection
Component can be flexible in vertical direction, provides up and down surplus for wall cylinder.Wall cylinder and actuating arm elastic connection, can be neatly
Cooperate the impact velocity of bit jet, once the hole bottom that is, below earthing pole is rushed to open, the elastic connecting element on actuating arm is
Wall cylinder hole bottom be can be pushed into, reinforcing, fixation to hole wall realized.
Further, bulk hard object is encountered during decline when earthing pole, external driver device can be started, is connect with driving
Earth polar passes through the drill bit of its end（Break portion）Hard object is broken, to continue to decline；It is above-mentioned to break operation only under special circumstances
Few use, will not be to earthing pole（Steel pipe etc.）It damages.
Particular embodiments described above has carried out into one the purpose of this utility model, technical scheme and beneficial effects
The detailed description of step, it should be understood that the foregoing is merely specific embodiment of the utility model, be not used to limit this reality
With novel protection scope.Particularly point out, to those skilled in the art, it is all the spirit and principles of the utility model it
Any modification, equivalent substitution, improvement and etc. that are interior, being done, should be included within the scope of protection of this utility model.
Claims (5)
1. a kind of deep contact earthing pole suitable for extreme terrain, including downlead, earthing pole, the downlead are along transmission tower
Tower leg or the body of rod laying round steel and/or band steel, for the transmission tower to be reliably connected with earthing pole, feature exists
In：
The earthing pole is vertically laid in around the pedestal of the transmission tower；
The earthing pole is made of multistage steel pipe head and the tail connection；
The bottom end of the steel pipe of the bottom is equipped with drill bit, and the top of the steel pipe of the top is equipped with driving head, and driving head is for filling
With connection external driver device, earthing pole is placed in underground；
The earthing pole is equipped with interconnecting piece, passes through the mutual assembly connection of interconnecting piece between steel pipe or is fixedly connected；
The top of the steel pipe of the top is equipped with connecting terminal, and connecting terminal is for connecting downlead.
2. a kind of deep contact earthing pole suitable for extreme terrain according to claim 1, it is characterised in that：
The steel pipe is hollow structure, and steel pipe can be connected as hollow sealed tube body by the interconnecting piece；
The drill bit is tapered, bit upper end and steel pipe airtight connection, and drill bit has nozzle, breaks portion, wherein
Portion is broken with tip, for piercing through the firm hard formations such as soil property, sandy soil, gravel, or penetrates rock；
Nozzle is located on the tapered sidewalls of drill bit, and the nozzle cavity hollow with steel pipe is connected to, the spray angle inclination of nozzle, the spray
The middle line of firing angle degree and steel pipe has crosspoint, and,
The distance between the crosspoint and bit point of the drill are 5-20 centimetres.
3. a kind of deep contact earthing pole suitable for extreme terrain according to claim 2, it is characterised in that：
The top of the driving head or the top steel pipe is equipped with high-pressure water pipe and matched connecting pin, high-pressure water pipe and external high pressure
Water installations connection；
The earthing pole, including steel pipe and interconnecting piece, driving head, drill bit seal against each other connection, form a pressure piping, the height
Pressure pipeline is connect by high-pressure water pipe with external high pressure water installations.
4. a kind of deep contact earthing pole suitable for extreme terrain according to claim 3, it is characterised in that：
Wall cylinder is equipped with around the steel pipe, wall cylinder is cylindrical, and 2-5 times of a diameter of diameter of steel tube；
The wall cylinder bottom opening, and the edge of opening inwardly collapses, opening bore is less than wall cylinder diameter.
5. a kind of deep contact earthing pole suitable for extreme terrain according to claim 4, it is characterised in that：
The external driver device is lifting device, is protruded into for controlling earthing pole to underground；
The lifting device has vertical guide rail, and guide rail is equipped with sliding block, and sliding block passes through the driving head of actuating arm and steel pipe top
Assembly connection；
The top of the wall cylinder and actuating arm elastic connection, elastic connecting element can be flexible in vertical direction, mention for wall cylinder
For up and down surplus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820565098.9U CN208111707U (en) | 2018-04-20 | 2018-04-20 | A kind of deep contact earthing pole and auxiliary facility suitable for extreme terrain |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820565098.9U CN208111707U (en) | 2018-04-20 | 2018-04-20 | A kind of deep contact earthing pole and auxiliary facility suitable for extreme terrain |
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|---|---|
| CN208111707U true CN208111707U (en) | 2018-11-16 |
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| CN201820565098.9U Active CN208111707U (en) | 2018-04-20 | 2018-04-20 | A kind of deep contact earthing pole and auxiliary facility suitable for extreme terrain |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276831A (en) * | 2020-03-23 | 2020-06-12 | 中铁第一勘察设计院集团有限公司 | Grounding electrode connecting device |
| CN113507002A (en) * | 2021-06-15 | 2021-10-15 | 新疆瑞特电子工程技术有限公司 | Deep well grounding device for high soil resistivity region |
| CN116591669A (en) * | 2023-06-08 | 2023-08-15 | 山东省地质矿产勘查开发局第六地质大队(山东省第六地质矿产勘查院) | Measurement while drilling system for engineering geological drilling |
| EP4237653A4 (en) * | 2020-11-02 | 2024-06-05 | Timothy Robert McClure | Method for installing an earthing system |
-
2018
- 2018-04-20 CN CN201820565098.9U patent/CN208111707U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111276831A (en) * | 2020-03-23 | 2020-06-12 | 中铁第一勘察设计院集团有限公司 | Grounding electrode connecting device |
| EP4237653A4 (en) * | 2020-11-02 | 2024-06-05 | Timothy Robert McClure | Method for installing an earthing system |
| CN113507002A (en) * | 2021-06-15 | 2021-10-15 | 新疆瑞特电子工程技术有限公司 | Deep well grounding device for high soil resistivity region |
| CN113507002B (en) * | 2021-06-15 | 2022-11-15 | 新疆瑞特电子工程技术有限公司 | Deep well grounding device for high soil resistivity region |
| CN116591669A (en) * | 2023-06-08 | 2023-08-15 | 山东省地质矿产勘查开发局第六地质大队(山东省第六地质矿产勘查院) | Measurement while drilling system for engineering geological drilling |
| CN116591669B (en) * | 2023-06-08 | 2023-10-27 | 山东省地质矿产勘查开发局第六地质大队(山东省第六地质矿产勘查院) | Measurement while drilling system for engineering geological drilling |
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