CN209162809U - A kind of prestressed concrete pipe pile as vertical grounding electrode - Google Patents
A kind of prestressed concrete pipe pile as vertical grounding electrode Download PDFInfo
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- CN209162809U CN209162809U CN201821893011.7U CN201821893011U CN209162809U CN 209162809 U CN209162809 U CN 209162809U CN 201821893011 U CN201821893011 U CN 201821893011U CN 209162809 U CN209162809 U CN 209162809U
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- grounding electrode
- vertical grounding
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- prestressed concrete
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Abstract
The utility model discloses a kind of prestressed concrete pipe pile as vertical grounding electrode, which includes the pile cover, pile body and pile crown being fixedly connected, and forms perforation conductor, and pile body has poured cement.When squeezing into water, pile body and pile crown can play a supporting role entire tubular pole；Pile cover can securely be welded with metalwork/plate of photovoltaic bracket foundation bottom used in photovoltaic plant project waterborne, and pile crown sinks to supporting course；It because pile body has poured concrete, is dipped in water for a long time, entire prestressed concrete pipe pile is constituted the vertical grounding electrode of photovoltaic plant waterborne by connected applications ambient humidity.Main reinforcement in concrete is securely connected as one by the utility model with vertical grounding electrode, reduces the scheme that following vertical earthing pole needs secondary construction again.Difficulty of construction is reduced, construction efficiency and Master Cost are improved, while ensure that the corrosion resistant degree of corrosion of earthing pole, meets the validity that vertical grounding electrode is arranged in 25 years Life cycle of photovoltaic plant waterborne.
Description
[technical field]
The utility model belongs to photovoltaic plant field, and in particular to a kind of prestressed concrete pipe as vertical grounding electrode
Stake.
[background technique]
Ground photo-voltaic power generation station has centralization, distribution, roof type, agriculture light booth type etc., and operation side is ground
Face.When doing whole audience ground connection, no matter constructed using mechanical or personnel, it is more convenient.
Photovoltaic plant waterborne is mainly the mode that photovoltaic+water surface combines, and the wherein utilization of the water surface, main utilize has water at present
The pool, small lakes, reservoir, reservoir etc..Since photovoltaic project waterborne is water surface construction, the water in waters can not all be taken out
It is dry, or Muddy Bottoms layer is thicker and soft after draining water, can not manually construct in waters with machinery, connect under water doing the whole audience
It is inconvenient when ground.Generally material used in photo-voltaic power generation station vertical grounding electrode waterborne isHot-dip zinc-coated flat steel sheet or 20 ×
20 hot galvanizing angle steel vertically squeeze into mud or less 2.5m along prestressed concrete pipe pile (referred to hereinafter as " prefabricated pile ") edge
Left and right.But since Muddy Bottoms layer is thicker and soft, because vertical grounding electrode material is partially soft, construction is contacted with Muddy Bottoms layer at the scene
When, it often bends, construction is more inconvenient, and earthing pole construction depth is unable to satisfy requirement.Simultaneously as there are Cl in water-And SO4 2-
Ion is brushed if the zinc coat of grounding flat steel does not press specification, may be easily corroded totally in the project later period, keeps the whole audience electric
Gas equipment can not effective grounding.
[utility model content]
The shortcomings that the purpose of the utility model is to overcome the above-mentioned prior arts provides a kind of as the pre- of vertical grounding electrode
Prestressed concrete tubular pole；The tube pile structure can satisfy photovoltaic plant waterborne connecing in Life cycle perpendicular to earthing pole
Ground validity.
In order to achieve the above objectives, the utility model is achieved using following technical scheme:
A kind of prestressed concrete pipe pile as vertical grounding electrode, including pile cover, pile body and pile crown；The upper end of pile body is solid
Surely it is connected with pile cover, the lower end of pile body is fixedly connected with pile crown；Pile body is hollow cylinder, and side wall is by several main reinforcements and spiral shell
Stirrup composition is revolved, for main reinforcement along the cylindrical wall that the axis direction of pile body is applied in pile body, main reinforcement is diameter >=10mm reinforcing bar,
At least fixed ring is wound with a circle tie hoop in main reinforcement；The side wall of pile body has poured concrete, in ambient humidity >=5%, mixes
Vertical grounding electrode is collectively formed in solidifying soil and pile body.
Further improvement of the utility model is:
Preferably, pile cover is annular slab, and pile cover is fixedly connected with the upper end of main reinforcement, the tie point of pile cover and each main reinforcement
For upper tie point.
Preferably, pile cover and main reinforcement are fixedly connected by welding.
Preferably, the upper end of pile crown is fixedly connected with the lower end of main reinforcement, and the fixed connection place of pile crown and each main reinforcement is
Lower tie point.
Preferably, the upper end of pile crown and main reinforcement are fixedly connected by welding.
Preferably, pile crown is hollow inverted round stage made of the steel plate system of enclosing, the cross-sectional area of pile crown and pile body fixed connection end
Greater than the cross-sectional area of the pile crown other end；The seam crossing of steel plate is welded to connect.
Preferably, pile crown is provided with several gussets along its outer wall, each gusset is fixed on pile crown in up-side down triangle
Outer wall on, the tip of triangle is downward.
Preferably, pile cover and pile crown select steel Q235, and surface is coated with zinc layers.
Preferably, tie hoop and main reinforcement select low-carbon hot-rolling steel.
Preferably, concrete has been poured between main reinforcement and tie hoop, concrete selects the silicon of strength grade >=42.5 grade
Acid salt cement.
Compared with prior art, the utility model has the following beneficial effects:
The utility model discloses a kind of prestressed concrete pipe pile as vertical grounding electrode, which includes fixed connect
Pile cover, pile body and the pile crown connect, forms perforation conductor, and pile body has poured cement.Entire tubular pole is when squeezing into water, pile body and stake
Head can play a supporting role, and facilitate entire construction operation；Pile cover can be with photovoltaic bracket used in photovoltaic plant project waterborne
Metalwork/plate of foundation bottom securely welds, and pile crown sinks to supporting course；Because pile body has poured concrete, it is dipped in water for a long time,
Entire prestressed concrete pipe pile is constituted the vertical grounding electrode of photovoltaic plant waterborne by connected applications ambient humidity.Photovoltaic electric waterborne
Each pipe pile foundation can become an individual vertical grounding electrode in standing, either direct lightning strike or thunder and lightning static incude,
Lightning current can be sent into the earth by it by electromagnetic induction and lightning surge intrusion, and protection electrical equipment operates normally.This is practical new
Main reinforcement in concrete is securely connected as one by type with vertical grounding electrode, and it is secondary again to reduce following vertical earthing pole needs
The scheme of construction.Difficulty of construction is reduced, construction efficiency and Master Cost are improved, while ensure that the corrosion-resistant journey of earthing pole
Degree meets the validity that vertical grounding electrode is arranged in 25 years Life cycle of photovoltaic plant waterborne.
Further, pile cover is fixedly connected with the main reinforcement of pile body；Pile cover is annular plate-like, is operated convenient for pile sinking.
A new step, pile cover and main reinforcement are fixedly connected by welding, and connection type is secured, are easy to construct, cost is relatively low.
Further, pile crown and main reinforcement are fixedly connected by welding, and connection type is secured, are easy to construct, cost is relatively low.
Further, pile crown is rounding mesa-shaped, and inner hollow facilitates the soil during piling to be pressed through, ensure that
The fairness of piling construction process.
Further, pile crown is provided with several gussets along its outer wall, each gusset is in up-side down triangle, convenient for piling
When pile body pass through Muddy Bottoms layer, squeeze into supporting course.
Further, pile cover and pile crown select low-cost steel Q235, and surface paints zinc layers, can prevent steel knot
Structure is corroded in water.
Further, main reinforcement and concrete has been poured between tie hoop, while to the strength grade and class of concrete
Type is limited, and the cement for guaranteeing that concrete is selected can satisfy intensity and anticorrosive requirement.
[Detailed description of the invention]
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the cross-sectional view in the section 1-1 of the utility model；
Fig. 3 is the structural schematic diagram of the utility model bracket upright post and bracket upright post steel plate；
Wherein: 1- pile cover, the upper tie point of 2-, 3- main reinforcement, 4- tie hoop, tie point under 5-, 6- pile crown, 7- pile body, 8-
Bracket upright post steel plate, 9- bracket upright post；10- gusset.
[specific embodiment]
The utility model is described in further detail with reference to the accompanying drawing；The utility model discloses a kind of as vertical
The prestressed concrete pipe pile of earthing pole；The tubular pole includes pile cover 1, pile body 7, pile crown 6 from top to bottom；Pile cover 1 is fixedly installed
In the upper end of pile body 7, pile crown 6 is fixed at the bottom of pile body 7；Pile body 7 is by several main reinforcements 3 and continuous tie hoop 4
Composition is tied up, main reinforcement 3 is several reinforcing bars perpendicular to ground, and the muscle Type Diameter of reinforcing bar is greater than 10mm, several main reinforcements 3 are flat
It goes and is arranged circumferentially about, the distance between two neighboring main reinforcement 3 is equal, several main reinforcements 3 form a hollow tubular, the sky
Central, tubular is perpendicular to ground；It is fixedly installed tie hoop 4 in main reinforcement 3, tie hoop 4 spirals arrangement along the axial direction of main reinforcement 3,
Tie hoop 4 preferably uses mild steel hot rolling disk steel；Tie hoop 4 stops up main reinforcement 3, and pile body 7 is collectively formed in the two；Stake
Cap 1 and pile crown 6 are Q235, and surface is coated with zinc layers；1 smooth surface of pile cover, convenient for securely being welded with bracket basis；Pile cover 1 with
Each main reinforcement 3 is fixedly connected, and junction is upper tie point 2, and connection type is preferably welded, and upper tie point 2 is formed multiple
Pad, so that pile cover 1 is firmly fixed to the top of entire pile body 7；The bottom of pile body 7 is arranged in pile crown 6, connects with main reinforcement 3
Meeting place is lower tie point 5, and connection type is preferably welded, and lower tie point 5 forms multiple pads, so that pile crown 6 is firmly solid
It is scheduled on the bottom end of entire pile body 7；Pile crown 6 is hollow inverted round stage made of the steel plate system of enclosing, pile crown 6 and 7 fixed connection end of pile body
Cross-sectional area is greater than the cross-sectional area of 6 other end of pile crown, passes through Muddy Bottoms layer convenient for pile body when piling, squeezes into supporting course；Steel plate
Seam crossing be welded to connect；Pile crown 6 is provided with several gussets 10 along its outer wall, each gusset 10 is fixed in up-side down triangle
On the outer wall of pile crown 6, downward, pile top weld seam is fillet weld for the tip of triangle, so that there is sword in the lower end of pile crown 6, is convenient for
Pile body passes through Muddy Bottoms layer when piling, squeezes into supporting course.Pile cover 1 and pile crown 6 are being dispatched from the factory by the deformed bar inside pile body 7
When just securely weld, the pile cover 1, pile crown 6 and pile body 7 are integrally formed, and form perforation conductor.
Pile body 7 pours the portland cement that strength grade is not less than 42.5 grades, such as ordinary portland cement, slag silicate
Salt cement stirring pours, and requires to be processed and conserved according to national regulation.
The mixed mud of pile body 7 must reach design strength and age (ordinary pressure curing 28d, autoclave curing 1d) carries out afterwards
Pile sinking.For general pile sinking using hammering and static pressure two ways, when pile sinking, should ensure that pile monkey, pile cover 1 or Pile feeder and pile body 7 exist
On same axis, perpendicularity deviation must not exceed 0.3%.
General photovoltaic plant waterborne needs entire pile body 7 beating underwater mud layer, until supporting course position, 7 depth of pile body
Meet vertical grounding electrode depth requirements.Pile crown 6, pile body 7, pile cover 1 have main reinforcement 3 securely to weld, and become vertical ground connection naturally
Pole.
After bracket upright post 9 and bracket upright post steel plate 8 securely weld, the other end and pile cover 1 of bracket upright post steel plate 8 carry out jail
Gu welding.To constitute unobstructed conductor, the ground connection of bracket is also ensured while guaranteeing support stability.
Working principle:
Non-conductor although armored concrete is when dry, resistivity is larger, when with certain humidity, just at
Preferable conductive materials.In photovoltaic plant waterborne, the concrete precast pile stood in waters is maintained in wet environment for a long time,
Silicate and water in concrete form the slag solution of electric conductivity.And concrete joined more water in the construction process
Point, many big and small capillary holes are thick with after forming in 7 structure of pile body, therefore just have portion of water storage.
After embedment is underwater, the moisture in waters can be sucked in concrete again by capillarity, keep certain humidity, be made entire
It is lower " vertical grounding electrode " that prestressed concrete pipe pile constitutes resistivity.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (10)
1. a kind of prestressed concrete pipe pile as vertical grounding electrode, which is characterized in that including pile cover (1), pile body (7) and stake
Head (6)；The upper end of pile body (7) is fixedly connected with pile cover (1), and the lower end of pile body (7) is fixedly connected with pile crown (6)；Pile body (7) is
Hollow cylinder, side wall are made of several main reinforcements (3) and tie hoop (4), axis direction of the main reinforcement (3) along pile body (7)
It is applied in the cylindrical wall of pile body (7), main reinforcement (3) is diameter >=10mm reinforcing bar, and at least fixed ring is wound with one in main reinforcement (3)
It encloses tie hoop (4)；The side wall of pile body (7) has poured concrete, and in ambient humidity >=5%, concrete and pile body (7) are common
Form vertical grounding electrode.
2. the prestressed concrete pipe pile according to claim 1 as vertical grounding electrode, which is characterized in that pile cover (1)
For annular slab, pile cover (1) is fixedly connected with the upper end of main reinforcement (3), and the tie point of pile cover (1) and each main reinforcement (3) is upper company
Contact (2).
3. the prestressed concrete pipe pile according to claim 2 as vertical grounding electrode, which is characterized in that pile cover (1)
It is fixedly connected by welding with main reinforcement (3).
4. the prestressed concrete pipe pile according to claim 1 as vertical grounding electrode, which is characterized in that pile crown (6)
Upper end be fixedly connected with the lower end of main reinforcement (3), the fixed connection place of pile crown (6) and each main reinforcement (3) is lower tie point
(5)。
5. the prestressed concrete pipe pile according to claim 4 as vertical grounding electrode, which is characterized in that pile crown (6)
Upper end and main reinforcement (3) be fixedly connected by welding.
6. the prestressed concrete pipe pile according to claim 1 as vertical grounding electrode, which is characterized in that pile crown (6)
For hollow inverted round stage made of the steel plate system of enclosing, it is another that the cross-sectional area of pile crown (6) and pile body (7) fixed connection end is greater than pile crown (6)
The cross-sectional area of one end；The seam crossing of steel plate is welded to connect.
7. the prestressed concrete pipe pile according to claim 6 as vertical grounding electrode, which is characterized in that pile crown (6)
Several gussets (10) are provided with along its outer wall, each gusset (10) is fixed on the outer wall of pile crown (6) in up-side down triangle,
The tip of triangle is downward.
8. the prestressed concrete pipe pile according to claim 1 as vertical grounding electrode, which is characterized in that pile cover (1)
Steel Q235 is selected with pile crown (6), surface is coated with zinc layers.
9. the prestressed concrete pipe pile according to claim 1 as vertical grounding electrode, which is characterized in that tie hoop
(4) and main reinforcement (3) selects low-carbon hot-rolling steel.
10. the prestressed concrete pipe pile described in -9 any one as vertical grounding electrode, feature exist according to claim 1
In having poured concrete between main reinforcement (3) and tie hoop (4), concrete selects the silicate cement of strength grade >=42.5 grade
Mud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821893011.7U CN209162809U (en) | 2018-11-16 | 2018-11-16 | A kind of prestressed concrete pipe pile as vertical grounding electrode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821893011.7U CN209162809U (en) | 2018-11-16 | 2018-11-16 | A kind of prestressed concrete pipe pile as vertical grounding electrode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209162809U true CN209162809U (en) | 2019-07-26 |
Family
ID=67338733
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821893011.7U Active CN209162809U (en) | 2018-11-16 | 2018-11-16 | A kind of prestressed concrete pipe pile as vertical grounding electrode |
Country Status (1)
| Country | Link |
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| CN (1) | CN209162809U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622455A (en) * | 2021-07-30 | 2021-11-09 | 华济建设工程集团有限公司 | Tower crane foundation and construction method thereof |
| CN114498234A (en) * | 2021-12-20 | 2022-05-13 | 陕西建工新能源有限公司 | Novel photovoltaic square matrix lightning protection grounding method |
| CN114824847A (en) * | 2022-05-19 | 2022-07-29 | 徐健 | Earthing pole and grounding grid |
| CN114922056A (en) * | 2022-06-24 | 2022-08-19 | 东南大学 | Concrete combined pier connected by PBL (Poly-p-phenylene benzobisoxazole) plates and FRP (fiber reinforce Plastic) ribs and construction method |
-
2018
- 2018-11-16 CN CN201821893011.7U patent/CN209162809U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113622455A (en) * | 2021-07-30 | 2021-11-09 | 华济建设工程集团有限公司 | Tower crane foundation and construction method thereof |
| CN114498234A (en) * | 2021-12-20 | 2022-05-13 | 陕西建工新能源有限公司 | Novel photovoltaic square matrix lightning protection grounding method |
| CN114824847A (en) * | 2022-05-19 | 2022-07-29 | 徐健 | Earthing pole and grounding grid |
| CN114922056A (en) * | 2022-06-24 | 2022-08-19 | 东南大学 | Concrete combined pier connected by PBL (Poly-p-phenylene benzobisoxazole) plates and FRP (fiber reinforce Plastic) ribs and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 710119 No. 70, 4 Shanglinyuan Road, Xi'an High-tech Zone, Shaanxi Province Patentee after: XI'AN TEBIAN ELECTRIC POWER DESIGN CO., LTD. Address before: 710119 No. 70, 4 Shanglinyuan Road, Xi'an City, Shaanxi Province Patentee before: XI'AN TEBIAN ELECTRIC POWER DESIGN CO., LTD. |