CN208939165U - A kind of down conductor that spiral torsional is rotatable - Google Patents
A kind of down conductor that spiral torsional is rotatable Download PDFInfo
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- CN208939165U CN208939165U CN201821796684.0U CN201821796684U CN208939165U CN 208939165 U CN208939165 U CN 208939165U CN 201821796684 U CN201821796684 U CN 201821796684U CN 208939165 U CN208939165 U CN 208939165U
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- conductor
- earth mat
- earth
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- interconnecting piece
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- 239000004020 conductor Substances 0.000 title claims abstract description 89
- 238000003466 welding Methods 0.000 claims abstract description 38
- 230000008878 coupling Effects 0.000 claims abstract description 18
- 238000010168 coupling process Methods 0.000 claims abstract description 18
- 238000005859 coupling reaction Methods 0.000 claims abstract description 18
- 238000009434 installation Methods 0.000 claims abstract description 16
- 238000005452 bending Methods 0.000 claims abstract description 6
- 230000007704 transition Effects 0.000 claims description 5
- 238000000034 method Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 4
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
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Abstract
The utility model discloses a kind of down conductors that spiral torsional is rotatable, the down conductor includes the ground installation interconnecting piece of one end and the earth mat conductor coupling portion of the other end, it is characterized in that, being equipped with the curved changeover portion of spiral between the ground installation interconnecting piece, earth mat conductor coupling portion；The earth mat conductor coupling portion is parallel with earth mat conductor axis equipped with axis and lap-welded first welding section of earth mat conductor, the width of first welding section are not less than the width B, length >=2B of first welding section of earth conductor.The utility model structure is simple, strong flexibility, suitable lapping direction and bending angle is selected according to earth conductor different situations, while meeting code requirement, enormously simplify lap joint process, overlap joint quality is improved, shortens construction period, has saved construction cost.
Description
Technical field
The utility model relates to power plants, the main grounding grid of substation, are used for power plant, substation in particular to one kind
It is interior, the rotatable down conductor of the spiral torsional being connected with main grounding grid conductor.
Background technique
Main grounding grid is the important component in power plant, substation grounding device, is by direct with the earth in embedment ground
The metallic conductor of contact is constituted, our signified grounded screens refer to that the reticular structure being welded by horizontal grounding objects is grounded here
Body.Generally, for convenient welding, the conductor of grounded screen is vertical place (leptoprosopy downward, wide aspect-oriented).
Down conductor refers to: electrical equipment, shaft tower ground terminal and grounding grids connection in normal condition
Under not current-carrying metallic conductor.
The welding quality of earthing or grounding means is directly related to the safe and reliable operation of electric system and the safety of the person and equipment.
It includes the welded connecting between grounding body and grounding body, ground line and ground line, grounding body and ground line." electric device peace
Dress ENG land device construction inspection rules " clear stipulaties: grounding body (line) (hereafter is referred to as grounding body, ground line to be grounded
Conductor) welding should use overlap welding, the lap of splice have to comply with that " band steel is 2 times of its width and at least three seamed edge welds
It connects ".It for this requirement, is easier to realize when mutually both overlapped axis is parallel, but when the two axis is vertical, band steel
Earth conductor is due to being easy to tear therefore is unable to plane turning, implements more difficult.
In practical operation, in order to realize that the lap of splice is " 2 times of band steel width ", as shown in Figure 1, under often first drawing
Line 1 is vertically welded on earth mat conductor 2, earth mat conductor 2 be strip band steel (the 2 section face You Kuan of earth mat conductor and leptoprosopy, according to
Downward, wide aspect-oriented is known as standing up for job specfication, usually leptoprosopy), then several auxiliary earth conductors are welded in two sides again
3, to enhance conductive section, it is at least the equivalent length of total welding surface, i.e. dash area in Fig. 1 twice of cross-sectional width B
Equivalent length >=2B, not only unsightly, but also it is lack of standardization.
The Chinese utility model patent of Publication No. CN202259746U discloses the connection dress between a kind of earth conductor
It sets, realizes connection of the two when same plane axis is vertical.But standard component will need to be additionally produced, attachment device both ends are also
It needs to be welded with downlead, earth mat conductor respectively, complex process is time-consuming and laborious.
Therefore, it is necessary to develop under the grounding lead that a kind of structure is simple, spiral torsional that is directly welding with earth mat conductor is rotatable
Line.
Summary of the invention
The purpose of this utility model seeks to solve the deficiency of above-mentioned background technique, provide a kind of structure it is simple, directly with
The rotatable down conductor of the spiral torsional of earth mat conductor welding.
The technical solution of the utility model are as follows: a kind of down conductor that spiral torsional is rotatable, the down conductor include
The ground installation interconnecting piece of one end and the earth mat conductor coupling portion of the other end, which is characterized in that the ground installation interconnecting piece,
The curved changeover portion of spiral is equipped between earth mat conductor coupling portion, the changeover portion connects ground installation connecting portion in earth mat conductor
Where socket part outside plane；
The earth mat conductor coupling portion is equipped with that axis is parallel with earth mat conductor axis, and earth mat conductor lap-welded first
Welding section, the width of first welding section are not less than the width B, length >=2B of first welding section of earth mat conductor.
Preferably, the ground installation interconnecting piece includes vertical portion and the horizontal part that is connected to below vertical portion, described
Plane where vertical portion, horizontal part is mutually perpendicular to, and the vertical portion is equipped with screw hole or the second welding section.
Further, the curved transition sections that bending angle is 90 ° are equipped between the vertical portion, horizontal part.
Further, the earth mat conductor coupling portion, horizontal part are connected by changeover portion, the earth mat conductor coupling portion,
Plane where horizontal part is mutually perpendicular to.
Further, the width of second welding section is not less than the width B of earth mat conductor, the length of second welding section
Degree >=2B.
Preferably, the down conductor is integrally formed.
The utility model has the following beneficial effects:
1. be not necessarily to additional connecting member, directly with earth mat conductor overlap welding, and meet the first welding section length >=2B.
2. down conductor is integrally formed, the characteristics of being easy to using grounding flat steel along wide face vertical curve, torsion forms spiral shell
Curved changeover portion is revolved, the ground installation interconnecting piece of vertical antarafacial, earth mat conductor coupling portion are connected.Since changeover portion can be any
Torsion, therefore the first welding section can arbitrarily rotate in the perpendicular perpendicular to horizontal part, planar realize 0 °~360 °
Freely overlap.
3. structure is simple, strong flexibility, suitable lapping direction and bending angle are selected according to earth conductor different situations,
While meeting code requirement, lap joint process is enormously simplified, improves overlap joint quality, shortens construction period, has saved and applied
Work cost.
Detailed description of the invention
Fig. 1 is the connection structure of downlead, earth mat conductor in the prior art
Fig. 2 is the down conductor structural schematic diagram (vertical direction) in embodiment 1
Fig. 3 is the top view of Fig. 2
Fig. 4 is the left view of Fig. 2
Fig. 5 is the down conductor structural schematic diagram in embodiment 2
Wherein: 1- downlead 2- earth mat conductor 3- auxiliary earth conductor 4- ground installation interconnecting piece 5- earth mat conductor connects
The vertical portion socket part 6- changeover portion 7- the first welding section 8- 9- horizontal part 10- curved transition sections 11- screw hole 12- second is welded
Connect a section 13- down conductor.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
The connection structure of existing downlead, earth mat conductor as shown in Figure 1, is explained in detail in the background technology,
It is repeated no more in this.
Embodiment 1
As in Figure 2-4, a kind of rotatable down conductor of spiral torsional provided in this embodiment, down conductor 13 include
The ground installation interconnecting piece 4 of one end and the earth mat conductor coupling portion 5 of the other end, ground installation interconnecting piece 4, the connection of earth mat conductor
The curved changeover portion 6 of spiral is equipped between portion 5；Earth mat conductor coupling portion 5 be equipped with axis it is parallel with 2 axis of earth mat conductor, and
Lap-welded first welding section 7 of net conductor 2, the width of the first welding section 7 are not less than the width B of earth mat conductor 2, the first welding section
7 length >=2B.Ground installation interconnecting piece 4 is located at outside 5 place plane of earth mat conductor coupling portion.Earth mat conductor 2 in the present embodiment
Width is B, and earth mat conductor 2 is stood up in perpendicular, and axis is in the horizontal direction；Down conductor 13 is that width is B's
Strip band steel deformation obtains.
Ground installation interconnecting piece 4 includes vertical portion 8 and the horizontal part 9 for being connected to 8 lower section of vertical portion, vertical portion 8, level
9 place plane of portion is mutually perpendicular to, and vertical portion 8 is equipped with screw hole 11.The arc that bending angle is 90 ° is equipped between vertical portion 8, horizontal part 9
Shape transition part 10.Earth mat conductor coupling portion 5, horizontal part 9 are connected by changeover portion 6, earth mat conductor coupling portion 5,9 institute of horizontal part
It is mutually perpendicular in plane.
First welding section 7,8 place plane of vertical portion are vertical with 9 place plane of horizontal part, the first welding section 7, vertical portion
Perpendicular where between 8 can be parallel or intersection, and perpendicular where between the first welding section 7, vertical portion 8 is flat in the present embodiment
Row.Spiral changeover portion 6 can be such that the first welding section 7 any angle in vertical plane is arranged, and be led with flexibly corresponding to any earth mat
Body 2.
In the present embodiment, down conductor 13 is integrally formed, and changeover portion 6 is to be formed by bending along axis Torsion coil, arc
Transition part 10 is directly in the width direction 90 ° and is bent to form.
In the present embodiment, down conductor 13 connects ground terminal by screw hole 11, connects earth mat by the first welding section 7
Conductor 2.
Embodiment 2
As shown in figure 5, in addition to replacing screw hole 11 to be used to connect ground terminal with the second welding section 12 of setting on vertical portion 8,
Remaining structure is same as Example 1.
Wherein the width of the second welding section 12 is not less than the width B, length >=2B of the second welding section 12 of earth mat conductor 2.
Claims (6)
1. a kind of down conductor that spiral torsional is rotatable, the down conductor (13) includes the ground installation interconnecting piece of one end
(4) and the earth mat conductor coupling portion (5) of the other end, which is characterized in that the ground installation interconnecting piece (4), earth mat conductor connect
The curved changeover portion (6) of spiral is equipped between socket part (5), the changeover portion (6) makes ground installation interconnecting piece (4) be located at earth mat conductor
Where interconnecting piece (5) outside plane；
The earth mat conductor coupling portion (5) is equipped with that axis is parallel with earth mat conductor (2) axis, and earth mat conductor (2) overlap welding
The first welding section (7), the width B of the width of first welding section (7) not less than earth mat conductor (2), first welding
Length >=2B of section (7).
2. the rotatable down conductor of spiral torsional as described in claim 1, which is characterized in that the ground installation interconnecting piece
It (4) include vertical portion (8) and the horizontal part (9) being connected to below vertical portion (8), the vertical portion (8), horizontal part (9) institute
It is mutually perpendicular in plane, the vertical portion (8) is equipped with screw hole (11) or the second welding section (12).
3. the rotatable down conductor of spiral torsional as claimed in claim 2, which is characterized in that the vertical portion (8), horizontal part
(9) curved transition sections (10) that bending angle is 90 ° are equipped between.
4. the rotatable down conductor of spiral torsional as claimed in claim 2, which is characterized in that the earth mat conductor coupling portion
(5), horizontal part (9) is connected by changeover portion (6), and plane is mutually hung down where the earth mat conductor coupling portion (5), horizontal part (9)
Directly.
5. the rotatable down conductor of spiral torsional as claimed in claim 2, which is characterized in that second welding section (12)
Width is not less than the width B, length >=2B of second welding section (12) of earth mat conductor (2).
6. the rotatable down conductor of spiral torsional as described in claim 1, which is characterized in that the down conductor (13) one
It is body formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796684.0U CN208939165U (en) | 2018-10-31 | 2018-10-31 | A kind of down conductor that spiral torsional is rotatable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821796684.0U CN208939165U (en) | 2018-10-31 | 2018-10-31 | A kind of down conductor that spiral torsional is rotatable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208939165U true CN208939165U (en) | 2019-06-04 |
Family
ID=66726834
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821796684.0U Active CN208939165U (en) | 2018-10-31 | 2018-10-31 | A kind of down conductor that spiral torsional is rotatable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208939165U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319878A (en) * | 2019-12-18 | 2020-06-23 | 周彦博 | Badminton cylinder |
| US20220330411A1 (en) * | 2021-04-07 | 2022-10-13 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing well site system |
-
2018
- 2018-10-31 CN CN201821796684.0U patent/CN208939165U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111319878A (en) * | 2019-12-18 | 2020-06-23 | 周彦博 | Badminton cylinder |
| US20220330411A1 (en) * | 2021-04-07 | 2022-10-13 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing well site system |
| US11596047B2 (en) * | 2021-04-07 | 2023-02-28 | Yantai Jereh Petroleum Equipments Technologies Co., Ltd. | Fracturing well site system |
| US11683878B2 (en) | 2021-04-07 | 2023-06-20 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing well site system |
| US11729893B2 (en) | 2021-04-07 | 2023-08-15 | Yantai Jereh Petroleum Equipment & Technologies Co., Ltd. | Fracturing well site system |
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Address after: 430040 1 new bridge four, Jin Yin Hu Street, Dongxihu District, Wuhan, Hubei Patentee after: Hubei Electric Power Planning, Design and Research Institute Co.,Ltd. Address before: 430040 1 new bridge four, Jin Yin Hu Street, Dongxihu District, Wuhan, Hubei Patentee before: POWERCHINA HUBEI ELECTRIC ENGINEERING Corp.,Ltd. |