CN102605798A - Support foundation for solar photovoltaic power station and onsite construction method for support foundation - Google Patents
Support foundation for solar photovoltaic power station and onsite construction method for support foundation Download PDFInfo
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- CN102605798A CN102605798A CN2012100173783A CN201210017378A CN102605798A CN 102605798 A CN102605798 A CN 102605798A CN 2012100173783 A CN2012100173783 A CN 2012100173783A CN 201210017378 A CN201210017378 A CN 201210017378A CN 102605798 A CN102605798 A CN 102605798A
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Abstract
The invention provides a support foundation for a solar photovoltaic power station and an onsite construction method for the support foundation. The support foundation comprises a central post, a base, a tubular section and earthwork, wherein the central post, the base and the tubular section are precast, and the earthwork is filled on site. The base is arranged at the bottom of the central post which is positioned in the center of the upper portion of the base, the tubular section is arranged on the base, the planar size of the tubular section is not larger than that of the base, a cavity is formed between the tubular section and the central post and filled with the earthwork, and the weight of the earthwork accounts for a part of the total weight of the support foundation. More than 30% concrete consumption can be reduced by means of the technical scheme as compared with an existing solid foundation technical scheme. Since concrete is smaller in intrinsic weight, precast work amount, logistics freight volume and onsite workload are correspondingly reduced, and the design weight of the support foundation is not reduced after the cavity is filled with the earthwork. By means of the support foundation, construction period of the photovoltaic power station can be greatly shortened while construction cost of the photovoltaic power station is greatly reduced.
Description
Technical field
The present invention relates to a kind of bracket basis and component on site construction method thereof that is used for solar photo-voltaic power generation station.
Background technology
Solar photo-voltaic power generation station adopts the mounting means of stent support photovoltaic module plate in a large number at present, all need dispose a member basis under each root stent strut, and what adopt at present mostly is the mode of cast in situs.Because the place in large solar photovoltaic power station often is positioned at desertificated area (desert, Gobi desert, stony desertification hillside fields, swamp land, water seashore are coated with etc.); Construction material and construction equipment all relatively lack, and therefore the bracket basis component on site construction method exists that the construction machinery that cost is higher, second-rate, the duration is long, the recruitment materials are more, drop into is more at present, execution control is than problems such as difficulties.This is for the construction cost that reduces solar photo-voltaic power generation station as early as possible and to reduce cost of electricity-generating be totally unfavorable, is necessary to study new bracket basis form of structure and new component on site construction method to change the status quo.
Summary of the invention
In view of this, be necessary a kind of bracket basis and component on site construction method thereof that is used for solar photo-voltaic power generation station to be provided to the problems referred to above.
A kind of bracket basis that is used for solar photo-voltaic power generation station comprises prefabricated center column, pedestal, shell ring and on-the-spot sandstone earthwork two parts of filling; Pedestal is arranged on the bottom of center column, and center column is positioned at the center on pedestal top, and shell ring is arranged on the pedestal; The planar dimension of shell ring is not more than the planar dimension of pedestal, forms cavity between shell ring and center column and the pedestal; Be filled with the sandstone earthwork in the cavity, the weight of the sandstone earthwork constitutes the part of bracket basis overall weight.
Center column is cylindrical shape or prism shape, and pedestal is a kind of in cylindrical shape, prism shape, truncated conical shape, the terrace with edge shape.
Pedestal is two parts that separate with shell ring.
Pedestal and shell ring are parts that are cast in together.
Also be provided with the grouting through hole in the pedestal.
Bracket basis also disposes additional shell ring.
The bottom shape of shell ring is consistent with the bottom shape of pedestal.
A kind of component on site construction method that is used for the bracket basis of solar photo-voltaic power generation station comprises:
Step 1: smooth processing is carried out in the construction plant, remove the impractical soil in the face of land, it is adhered to specification;
Step 2: the pre-erection of bracket basis is placed to the construction plant, and adjustment spatial attitude and position adhere to specification it; The pre-erection of bracket basis comprises center column, pedestal, shell ring; Pedestal is arranged on the bottom of center column, and center column is positioned at the center on pedestal top, and shell ring is arranged on the pedestal; The planar dimension of shell ring is not more than the planar dimension of pedestal, forms cavity between shell ring and center column and the pedestal;
Step 3: the sandstone earthwork with the job site is packed in the cavity, and the weight of the sandstone earthwork constitutes the part of bracket basis overall weight.
Also be provided with the grouting through hole in the pedestal of bracket basis, component on site construction method comprises that also grouting is to fill the step in base bottom space in the grouting through hole, and this step is carried out after step 2.
Bracket basis also disposes additional shell ring, and component on site construction method also is included in increases the step that additional shell ring bankets again again on the shell ring.
Prior art is employed in the scheme on pedestal foot solid basis under the on-the-spot cast-in-place post in a large number; Compared with prior art; Adopt technical scheme of the present invention can reduce the concrete consumption more than 30%, for the solid bracket basis of the big scale of construction even can reduce concrete amount more than 50%.Because the weight of bracket basis pre-erection itself is less, has correspondingly reduced precast construction amount logistics freight volume on-site installation work amount, and do not reduced the design weight of base integral after banketing in the cavity.Adopt technical scheme of the present invention can shorten the construction period of solar photo-voltaic power generation station greatly, the while also greatly reduces the construction cost of solar photo-voltaic power generation station.
Description of drawings
Fig. 1 and Fig. 2 are the sketch mapes of bracket basis of the present invention.
Fig. 3 and Fig. 4 are the sketch mapes that has the bracket basis of the through hole that is in the milk.
Fig. 5 is the vertical view of Fig. 4.
Fig. 6 is the sketch map of the component on site construction method of bracket basis of the present invention.
The specific embodiment
See also Fig. 1 and Fig. 2; The present invention is used for the pre-erection of the bracket basis of solar photo-voltaic power generation station and is made up of center column 1, pedestal 2, shell ring 4; Pedestal 2 is arranged on the bottom of center column 1, and center column 1 is positioned at the center on pedestal 2 tops, and shell ring 4 is arranged on the pedestal 2; The planar dimension of shell ring 4 is not more than the planar dimension of pedestal 2; Form cavity between shell ring 4 and center column 1 and the pedestal 2, be filled with the sandstone earthwork in the cavity, the weight of the sandstone earthwork constitutes the part of bracket basis overall weight.In use, the stent strut of solar energy photovoltaic panel is installed in the top of center column 1.
Because bracket basis of the present invention, its facade and section shape are just as in chafing dish, in engineering practice, can be commonly called as is that the chafing dish formula is basic.
See also Fig. 3 and Fig. 4, in order to reach better result of use, grouting through hole 3 can be set in pedestal 2, the quantity of grouting through hole 3 can be for one or more.When the quantity of grouting through hole 3 when being a plurality of, grouting through hole 3 is symmetricly set on around the center column 1, and is as shown in Figure 5.
In order to reach better result of use, the bottom shape of shell ring 4 is consistent with the bottom shape of pedestal 2, can be circle, rectangle or various regular polygon.
In order to reach better result of use, can dispose additional shell ring in addition, the geomery of additional shell ring is identical with shell ring 4.To add shell ring in use and be enclosed within on the shell ring 4 again that earth fill gets final product.According to the practice of construction needs, also can be on additional shell ring the additional shell ring of socket earth fill more again.
See also Fig. 6, the component on site construction method of bracket basis of the present invention comprises the steps (be explanation that example carry out with bracket basis shown in Figure 4) here:
Step 1: smooth processing is carried out in the construction plant, remove the impractical soil in the face of land, it is adhered to specification.According to the floor space size of pedestal 2, clean out the construction plant of respective area, the construction plant will be put in order smooth, removes the impractical soil on the face of land, shown in Fig. 6 a.
Step 2: the pre-erection of bracket basis is placed to the construction plant, and adjustment spatial attitude and position adhere to specification it.Can be artificial or adopt plant equipment that the pre-erection of bracket basis is placed on the construction plant.
Step 3: grouting.Pour into mortar or pea gravel concreten through grouting through hole 3.The through hole 3 that do not need to be in the milk fills up, and fills up in the grouting through hole 3 to get final product more than the 5cm.
Step 4: the sandstone earthwork with the job site is packed in the cavity, and the weight of the sandstone earthwork constitutes the part of bracket basis overall weight.
When big or surrounding environment is very abominable when the solar panel of installing (for example wind load is bigger), can also on shell ring 4, increase one or more additional shell rings again, banket to additional shell ring internal cavity then, basic with further rigid support.
In above step, step 3 neither be necessary, when the ground condition better adopts Fig. 1 or bracket basis pre-constructed unit shown in Figure 2, and the step that just need not be in the milk.
Adopt bracket basis of the present invention and component on site construction method thereof,, guaranteed the good combination and the long-term stability of bracket basis and foundation surface because the bracket basis bottom pours into mortar or pea gravel concreten.Because the shell ring 4 of configuration has increased the dress unit weight of soil separately, through the shell ring 4 of different size and the combination of pedestal 3, guaranteed the Base Design weight requirement of different model solar bracket, make things convenient for design and construction.
Prior art is employed in the scheme on pedestal foot solid basis under the on-the-spot cast-in-place post in a large number.Compared with prior art, adopt technical scheme of the present invention can reduce the concrete consumption more than 30%, for the solid bracket basis of the big scale of construction even can reduce concrete amount more than 50%.Because the weight of New-support basis pre-erection itself is less, corresponding minimizing precast construction amount logistics freight volume and on-site installation work amount, and do not reduce the global design weight on basis after banketing in the cavity.
In addition, in the photo-voltaic power generation station project, the basic the work items construction period has also taken about 30% ~ 60% of total duration of project at present.Adopt technical scheme of the present invention, can shorten total duration more than 20%, shorten the construction period of solar photo-voltaic power generation station greatly, the generating of can going into operation ahead of time.This is of great benefit to quickening the mobile of construction fund for reducing construction cost.
The basic the work items cost of present solar photo-voltaic power generation station accounts for total investment and is about about 4% ~ 9%, adopts technical scheme of the present invention, can reduce total investment about 1% ~ 3%.The new forms of energy of putting into effect according to China " 12 planning ", during the solar photo-voltaic power generation station installed capacity will arrive 15GW, gross investment will be above 2,000 hundred million yuan, the total investment of reduction by 1% ~ 3% means the investment of saving billions of units.Solar photo-voltaic power generation station is typical energy-saving and emission-reduction project, but photovoltaic generation industrial chain itself also should be pursued the effect of materials saving energy-saving and emission-reduction.
In sum, New-support basis of the present invention and component on site construction method thereof have produced the techno-economic effect of highly significant.
The above embodiment has only expressed several kinds of embodiments of the present invention, but can not therefore be interpreted as the restriction to claim of the present invention.Should be pointed out that for the person of ordinary skill of the art under the prerequisite that does not break away from the present invention's design, can also make some distortion and improvement, these all belong to protection scope of the present invention.Therefore, the protection domain of patent of the present invention should be as the criterion with accompanying claims.
Claims (10)
1. a bracket basis that is used for solar photo-voltaic power generation station is characterized in that: comprise prefabricated center column, pedestal, shell ring and the on-the-spot sandstone earthwork two large divisions who fills; Pedestal is arranged on the bottom of center column, and center column is positioned at the center on pedestal top; Shell ring is arranged on the pedestal, and the planar dimension of shell ring is not more than the planar dimension of pedestal; Form cavity between shell ring and center column and the pedestal, be filled with the sandstone earthwork in the cavity, the weight of the sandstone earthwork constitutes the part of bracket basis overall weight.
2. the bracket basis that is used for solar photo-voltaic power generation station according to claim 1 is characterized in that: center column is cylindrical shape or prism shape, and pedestal is a kind of in cylindrical shape, prism shape, truncated conical shape, the terrace with edge shape.
3. the bracket basis that is used for solar photo-voltaic power generation station according to claim 1 is characterized in that: pedestal is two parts that separate with shell ring.
4. the bracket basis that is used for solar photo-voltaic power generation station according to claim 1 is characterized in that: pedestal and shell ring are parts that are cast in together.
5. the bracket basis that is used for solar photo-voltaic power generation station according to claim 1 is characterized in that: also be provided with the grouting through hole in the pedestal.
6. the bracket basis that is used for solar photo-voltaic power generation station according to claim 1 is characterized in that: also dispose additional shell ring.
7. the bracket basis that is used for solar photo-voltaic power generation station according to claim 1 is characterized in that: the bottom shape of shell ring is consistent with the bottom shape of pedestal.
8. a component on site construction method that is used for the bracket basis of solar photo-voltaic power generation station is characterized in that, comprising:
Step 1: smooth processing is carried out in the construction plant, remove the impractical soil in the face of land, it is adhered to specification;
Step 2: the pre-erection of bracket basis is placed to the construction plant, and adjustment spatial attitude and position adhere to specification it; The pre-erection of bracket basis comprises center column, pedestal, shell ring; Pedestal is arranged on the bottom of center column, and center column is positioned at the center on pedestal top; Shell ring is arranged on the pedestal, and the planar dimension of shell ring is not more than the planar dimension of pedestal, forms cavity between shell ring and center column and the pedestal;
Step 3: the sandstone earthwork with the job site is packed in the cavity, and the weight of the sandstone earthwork constitutes the part of bracket basis overall weight.
9. the component on site construction method that is used for the bracket basis of solar photo-voltaic power generation station according to claim 8; It is characterized in that: also be provided with the grouting through hole in the pedestal of bracket basis; Component on site construction method comprises that also grouting is to fill the step in base bottom space in the grouting through hole, and this step is carried out after step 2.
10. according to Claim 8 or the 9 described component on site construction method that are used for the bracket basis of solar photo-voltaic power generation station; It is characterized in that: bracket basis also disposes additional shell ring, and component on site construction method also is included in increases the step that additional shell ring recharges the sandstone earthwork again on the shell ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012100173783A CN102605798A (en) | 2012-01-19 | 2012-01-19 | Support foundation for solar photovoltaic power station and onsite construction method for support foundation |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100173783A CN102605798A (en) | 2012-01-19 | 2012-01-19 | Support foundation for solar photovoltaic power station and onsite construction method for support foundation |
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| CN102605798A true CN102605798A (en) | 2012-07-25 |
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| CN2012100173783A Pending CN102605798A (en) | 2012-01-19 | 2012-01-19 | Support foundation for solar photovoltaic power station and onsite construction method for support foundation |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426463A (en) * | 2013-08-28 | 2015-03-18 | 长濑胜义 | Structure of solar panel stand and installation method thereof |
| CN104631488A (en) * | 2015-01-26 | 2015-05-20 | 广东省建筑工程集团有限公司 | Proton beam accelerator pre-buried base plate high-precision installation technology |
| CN105939142A (en) * | 2016-05-30 | 2016-09-14 | 上海电力设计院有限公司 | Roof photovoltaic bracket counterweight base capable of being repeatedly utilized and manufacture and installation method thereof |
| CN108073187A (en) * | 2016-11-16 | 2018-05-25 | 北京兆阳光热技术有限公司 | A kind of track foundation and its construction technology, tower photo-thermal power station |
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| US20090032090A1 (en) * | 2007-07-30 | 2009-02-05 | Emcore Corporation | Method for assembling a terrestrial solar array including a rigid support frame |
| CN101539118A (en) * | 2009-05-08 | 2009-09-23 | 中国海洋大学 | Passive antiscour base of basic structure of gravity-type offshore wind turbine |
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| CN201869127U (en) * | 2010-12-02 | 2011-06-15 | 沈阳羲诺新能源有限公司 | Adjustable device for solar photovoltaic power station |
| CN202466615U (en) * | 2012-01-19 | 2012-10-03 | 丁慈鑫 | Support foundation for solar photovoltaic power generation station |
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Patent Citations (6)
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| US20090032090A1 (en) * | 2007-07-30 | 2009-02-05 | Emcore Corporation | Method for assembling a terrestrial solar array including a rigid support frame |
| CN101539118A (en) * | 2009-05-08 | 2009-09-23 | 中国海洋大学 | Passive antiscour base of basic structure of gravity-type offshore wind turbine |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104426463A (en) * | 2013-08-28 | 2015-03-18 | 长濑胜义 | Structure of solar panel stand and installation method thereof |
| CN104631488A (en) * | 2015-01-26 | 2015-05-20 | 广东省建筑工程集团有限公司 | Proton beam accelerator pre-buried base plate high-precision installation technology |
| CN105939142A (en) * | 2016-05-30 | 2016-09-14 | 上海电力设计院有限公司 | Roof photovoltaic bracket counterweight base capable of being repeatedly utilized and manufacture and installation method thereof |
| CN105939142B (en) * | 2016-05-30 | 2018-02-27 | 上海电力设计院有限公司 | The manufacture installation method of the repeatable roofing photovoltaic support counterweight foundation utilized |
| CN108073187A (en) * | 2016-11-16 | 2018-05-25 | 北京兆阳光热技术有限公司 | A kind of track foundation and its construction technology, tower photo-thermal power station |
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Application publication date: 20120725 |