CN103147457A - Manufacturing method for independent column foundation of wind turbine generator - Google Patents
Manufacturing method for independent column foundation of wind turbine generator Download PDFInfo
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- CN103147457A CN103147457A CN2013100525575A CN201310052557A CN103147457A CN 103147457 A CN103147457 A CN 103147457A CN 2013100525575 A CN2013100525575 A CN 2013100525575A CN 201310052557 A CN201310052557 A CN 201310052557A CN 103147457 A CN103147457 A CN 103147457A
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Abstract
The invention discloses a manufacturing method for the independent column foundation of a wind turbine generator. The manufacturing method comprises the following steps: 1), excavating a foundation pit; 2), pouring concrete cushion layer; 3), fixing an outer wall template; 4), placing an anchor bolt cage into the outer wall template, and integrally placing and levelling by using a crane; 5), pouring concrete into the outer wall template; 6), dismantling the outer wall template; and 7), refilling a gap between the foundation and a pit wall by using plain concrete after foundation form stripping. The invention mainly aims at providing the manufacturing method for the independent column foundation of the wind turbine generator, and the method is low in construction cost.
Description
Technical field
The present invention relates to a kind of land wind-driven generator, more specifically refer to the basic preparation method of a kind of wind-driven generator insulated column.
Background technology
At present, large-scale and vast capacity wind-driven generator becomes main flow gradually.These equipment are tall and big heavy and produce huge moment of flexure, therefore support force and the bending resistance on wind-driven generator insulated column basis had higher requirement, and cause the construction costs on wind-driven generator insulated column basis to improve constantly.
The wind-driven generator insulated column basis that is used for now construction is circular cross-section, adopt the ripple template directly to build, its Main Problems is that bellows need to be an overall structure, need special manufacturing, after manufacturing is completed, single volume is large, need to transport to the job site by large-scale haulage device, and bellows forever can only be embedded in when building in wind-driven generator insulated column basis, cause construction cost to improve.In order to improve existing wind-driven generator insulated column basis construction complexity and the high problem of finished product, be badly in need of wanting a kind of and can construct at the scene and the wind-driven generator insulated column basis easily manufactured, that finished product is low.The invention is created under such background.
Summary of the invention
Main goal of the invention of the present invention has been to provide the low a kind of wind-driven generator insulated column of construction cost basic preparation method.
Technical scheme 1: the basic preparation method of a kind of wind-driven generator insulated column is characterized in that comprising the steps:
1), carry out excavation of foundation pit according to basic required form;
2), at foundation ditch bottom concreting bed course, the concrete cushion scope is greater than the outer wall template of placing later;
3), settle and fixing outer wall template in foundation ditch central authorities, the outer wall template is the regular polygon hollow column that the plurality of steel plates bolt-locking is formed by connecting;
4), lay grounding wire outside wall form top outside;
5), the crab-bolt cage is put into the outer wall mold intralamellar part, with crane wholely place, leveling crab-bolt cage, and in crab-bolt cage outer ring, stirrup is installed;
6), place inner wall form in the crab-bolt cage, inner wall form is the regular polygon hollow column that the plurality of steel plates bolt-locking is formed by connecting, with crane just hanging, this hollow column of leveling, guarantee that inner wall form, outer wall template place with one heart, fixing at last;
7), between basic inner wall form, outer wall template concreting, and guarantee that whole regular polygon base integral builds moulding;
8), after basic moulding, inner wall form, outer wall template are all removed; After the form removal of basis, the space plain concrete backfill between basis and hole wall.
The basic preparation method of a kind of wind-driven generator insulated column, is characterized in that: anchor pole on the crab-bolt cage is contacted part be furnished with concrete the anchor tube that shields as mentioned above.
A kind of wind-driven generator insulated column basis preparation method as mentioned above, it is characterized in that: anchor pole is furnished with hot dip pipe or pvc pipe outward.
A kind of wind-driven generator insulated column basis preparation method as mentioned above, it is characterized in that: the steel plate cross section is plane, concave-convex type or waveform.
A kind of wind-driven generator insulated column basis preparation method as mentioned above, it is characterized in that: inner wall form, outer wall template all can be removed, and the form of construction work of directly building with respect to template in whole wind field construction is the economical with materials cost significantly.
Technical scheme 2: the basic preparation method of a kind of wind-driven generator insulated column is characterized in that comprising the steps:
1), carry out excavation of foundation pit according to basic required form;
2), at foundation ditch bottom concreting bed course, the concrete cushion scope is greater than the outer wall template of placing later;
3), settle and fixing outer wall template in foundation ditch central authorities, the outer wall template is the regular polygon hollow column that the plurality of steel plates bolt-locking is formed by connecting;
4), lay grounding wire outside wall form top outside;
5), the crab-bolt cage is put into the outer wall mold intralamellar part, with crane wholely place, leveling crab-bolt cage, and in crab-bolt cage outer ring, stirrup is installed
6), place inner wall form in the crab-bolt cage, the steel cylinder that inner wall form is structure as a whole, with crane just hanging, the leveling steel cylinder, guarantee that steel cylinder and outer wall template place with one heart, fixing at last;
7), at steel cylinder bottom concreting, then continue at the inner backfill plain concrete of steel cylinder to ground level;
8), concreting between wall form and steel cylinder outside, and guarantee that whole regular polygon base integral builds moulding;
9), after basic moulding, carry out the outer wall form removable;
10), after basic form removal, basis and the space plain concrete backfill of cheating between wall.
The basic preparation method of a kind of wind-driven generator insulated column, is characterized in that: anchor pole on the crab-bolt cage is contacted part be furnished with hot dip pipe or pvc pipe with concrete as mentioned above.
A kind of wind-driven generator insulated column basis preparation method as mentioned above, it is characterized in that: the steel plate cross section is plane, concave-convex type or waveform.
Technical scheme 3: the basic preparation method of a kind of wind-driven generator insulated column is characterized in that comprising the steps:
1), carry out excavation of foundation pit according to basic required form;
2), at foundation ditch bottom concreting bed course, the concrete cushion scope is greater than the outer wall template of placing later;
3), settle and fixing outer wall template in foundation ditch central authorities, the outer wall template is the regular polygon hollow column that the plurality of steel plates bolt-locking is formed by connecting;
4), lay grounding wire outside wall form top outside;
5), the crab-bolt cage is put into the outer wall mold intralamellar part, with crane wholely place, leveling crab-bolt cage, and in crab-bolt cage outer ring, stirrup is installed;
6), concreting in wall form outside, and guarantee that whole regular polygon base integral builds moulding;
7), after basic moulding, carry out the outer wall form removable;
8), after the concrete form removal, basis and the space plain concrete backfill of cheating between wall.
The basic preparation method of a kind of wind-driven generator insulated column, is characterized in that: anchor pole on the crab-bolt cage is contacted part be furnished with hot dip pipe or pvc pipe with concrete as mentioned above.
A kind of wind-driven generator insulated column basis preparation method as mentioned above, it is characterized in that: the steel plate cross section is plane, concave-convex type or waveform.
The present invention has advantages of as follows with respect to prior art:
1, in whole wind field was built, in technical scheme 1, inner wall form, outer wall template all can be removed, and directly built and template is cast in form of construction work economical with materials cost significantly in concrete foundation with respect to available technology adopting bellows template.
2, in whole wind field is built, technical scheme 2 China and foreign countries' wall forms can be removed, can save the part material cost with respect to the form of construction work that available technology adopting bellows template is directly built and template is cast in concrete foundation, and inner wall form is not removed the construction period that can shorten whole wind field.
3, in whole wind field is built, outer wall template in technical scheme 3 can be removed, can save the part material cost with respect to the form of construction work that available technology adopting bellows template is directly built and template is cast in concrete foundation, and construction period and minimizing difficulty of construction that inner wall form can shorten whole wind field are not set.
4, the outer wall template is the hollow column that the plurality of steel plates bolt-locking is formed by connecting, the steel plate volume is little, simple in structure, production, convenient transportation, overcome available technology adopting bellows template and needed global formation, need special manufacturing, need to transport to by large-scale haulage device the technological deficiency of job site; The China and foreign countries of the present invention simultaneously wall form can coordinate Chain block to remove, avoid adopting prior art bellows forever can only be embedded in when building in wind-driven generator insulated column basis, the technological deficiency that causes construction cost to improve, the present invention greatly reduces construction cost, thereby reduces the construction costs on basis.
5, regular polygon outer wall template connects with bolt, and is simple in structure, do not run mould when guaranteeing simultaneously to build on the basis.
6, material of the present invention is general constructional materials, and the insulated column basis can be completed from the job site construction easily, has avoided bellows to need the process of special manufacturings.
7, on the crab-bolt cage, anchor pole contacts part and is furnished with the anchor tube that shields with concrete, can prevent that reinforcing bar is corroded, and increases the service life.
Description of drawings
Fig. 1 is hollow-core construction schematic diagram of the present invention.
Fig. 2 is that the present invention is hollow tetragonal sectional drawing.
Fig. 3 is that the present invention is hollow hexagonal sectional drawing.
Fig. 4 is that the present invention is hollow octagonal sectional drawing.
Fig. 5 is that the present invention is the sectional drawing of hollow-core construction.
Fig. 6 is that the present invention is solid tetragonal sectional drawing.
Fig. 7 is that the present invention is solid hexagonal sectional drawing.
Fig. 8 is that the present invention is the sectional drawing of solid eight limit shapes.
Fig. 9 is that the present invention is the sectional drawing of solid construction.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Embodiment 1:(inner wall form, outer wall template are all removed)
A kind of wind-driven generator insulated column basis preparation method comprises the steps:
1), carry out excavation of foundation pit according to basic required form, after excavation of foundation pit, protect with fence on every side, forbid that non-at-scene constructor enters;
2), the C15 concrete cushion 4(that builds 100mm in foundation ditch bottom sees Fig. 5), its diameter range is greater than the outer wall template 500mm that places later;
3), settle and fixing outer wall template 3 in foundation ditch central authorities, the regular polygon hollow column that outer wall template 3 is formed by connecting for the plurality of steel plates bolt-locking, steel plate cross section are plane, concave-convex type or waveform.When guaranteeing to build on the basis, outer wall template 3 do not run mould;
4), grounding wire is laid on wall form 3 tops outside;
5), will put into the outer wall mold intralamellar part with the crab-bolt cage 7 of pvc protection of pipe, place with crane is whole, leveling, and stirrups 8 are installed in crab-bolt cage 7 outer rings, the upper and lower spacing 1000mm(of stirrup 8 is as shown in Figure 5);
6), at the interior placement inner wall form 2 of crab-bolt cage 7, the regular polygon hollow column that inner wall form 2 is formed by connecting for the plurality of steel plates bolt-locking, steel plate cross section are plane, concave-convex type or waveform; Just hang with crane, leveling, assurance inner wall form 2, outer wall template 3 are placed with one heart, and be fixing at last;
7), build C40 concrete 1 between basic inner wall form 2, outer wall template 3, and guarantee that whole regular polygon base integral builds the moulding (see figure 1);
8), after basic moulding, coordinate Chain block to carry out inner wall form 2, outer wall template 3 is removed; After the basic form removal of C40 concrete 1,5 backfills of C15 concrete are in time used in the space between basis and hole wall.
In present embodiment, the 28 days length of time of base concrete just allow to install later on blower fan.
In present embodiment, inner wall form, outer wall template all can be removed, and directly build and template is cast in form of construction work economical with materials cost significantly in concrete foundation with respect to available technology adopting bellows template.
The form removable of embodiment 2:(outer wall, inner wall form (steel cylinder) is not removed)
A kind of wind-driven generator insulated column basis preparation method comprises the steps:
1), carry out excavation of foundation pit according to basic required form, after excavation of foundation pit, protect with fence on every side, forbid that non-at-scene constructor enters;
2), the C15 concrete cushion 4(that builds 100mm in foundation ditch bottom sees Fig. 5), its diameter range is greater than the outer wall template 500mm that places later;
3), settle and fixing outer wall template 3 in foundation ditch central authorities, the regular polygon hollow column that outer wall template 3 is formed by connecting for the plurality of steel plates bolt-locking, steel plate cross section are plane, concave-convex type or waveform.When guaranteeing to build on the basis, outer wall template 3 do not run mould;
4), lay grounding wire outside wall form 3 tops outside;
5), will put into the outer wall mold intralamellar part with the crab-bolt cage 7 of pvc protection of pipe, place with crane is whole, leveling, and stirrups 8 are installed in crab-bolt cage 7 outer rings, the upper and lower spacing 1000mm(of stirrup 8 is as shown in Figure 5);
6), place inner wall form in the crab-bolt cage, the steel cylinder that inner wall form is structure as a whole just hangs with crane, and leveling guarantees that steel cylinder and outer wall template place with one heart, and is fixing at last;
7), build in steel cylinder bottom the C40 concrete that 1000mm is high at least, then continue at the inner backfill C15 of steel cylinder concrete 6 to ground level (seeing that Fig. 2 is to shown in Figure 4);
8), build C40 concrete 1 between wall form 3 and steel cylinder outside, and guarantee that whole regular polygon base integral builds moulding;
9), after basic moulding, coordinate Chain block to carry out outer wall template 3 and remove;
10), after 1 form removal of C40 concrete, 5 backfills of C15 concrete are in time used with the space of cheating between wall in the basis.
In present embodiment, the 28 days length of time of base concrete just allow to install later on blower fan.
In present embodiment, the outer wall template can be removed, inner wall form (steel cylinder) is not removed, can save the part material cost with respect to the form of construction work that available technology adopting bellows template is directly built and template is cast in concrete foundation, and inner wall form is not removed the construction period that can shorten whole wind field.
The form removable of embodiment 3:(outer wall is without inner wall form)
A kind of wind-driven generator insulated column basis preparation method comprises the steps:
1), carry out excavation of foundation pit according to basic required form, after excavation of foundation pit, protect with fence on every side, forbid that non-at-scene constructor enters;
2), the C15 concrete cushion 4(that builds 100mm in foundation ditch bottom sees Fig. 5), its diameter range is greater than the outer wall template 500mm that places later;
3), settle and fixing outer wall template 3 in foundation ditch central authorities, the regular polygon hollow column that outer wall template 3 is formed by connecting for the plurality of steel plates bolt-locking, steel plate cross section are plane, concave-convex type or waveform.When guaranteeing to build on the basis, outer wall template 3 do not run mould;
4), lay grounding wire outside wall form 3 tops outside;
5), will put into the outer wall mold intralamellar part with the crab-bolt cage 7 of pvc protection of pipe, place leveling, and stirrup 8(are installed as shown in Figure 9 in crab-bolt cage 7 outer rings with crane is whole), the upper and lower spacing 1000mm of stirrup 8;
6), build C40 concrete 1 in wall form 3 outside, and guarantee that whole regular polygon base integral builds moulding (seeing that Fig. 5 is to shown in Figure 8);
7), after basic moulding, coordinate Chain block to carry out outer wall template 3 and remove;
8), after 1 form removal of C40 concrete, 5 backfills of C15 concrete are in time used with the space of cheating between wall in the basis.
In present embodiment, the 28 days length of time of base concrete just allow to install later on blower fan.
In present embodiment, the outer wall template can be removed, can save the part material cost with respect to the form of construction work that available technology adopting bellows template is directly built and template is cast in concrete foundation, and construction period and minimizing difficulty of construction that inner wall form can shorten whole wind field are not set.
To shown in Figure 9, a kind of wind-driven generator insulated column basis comprises crab-bolt cage 7 as Fig. 1, and crab-bolt cage 7 is embedded in C40 concrete 1 and insulated column basis upper surface is stretched out at crab-bolt cage 7 tops.Crab-bolt cage 7 comprises the hard straight a plurality of anchor poles that arrange and a plurality of stirrups 8 that are fixed in anchor pole, and every anchor pole and C40 concrete 1 contact portion are sheathed in anchor tube 9, and anchor tube is hot dip pipe or pvc pipe.Plain concrete cushion layer is arranged at bottom, insulated column basis.5 backfills of C15 concrete are in time used in space between insulated column basis and hole wall.
Embodiments of the invention and accompanying drawing are just in order to show design concept of the present invention, and protection scope of the present invention should not be confined to above-described embodiment.Can find out that by top narration purpose of design of the present invention can effectively implement.The part of embodiment has been showed purpose of the present invention and has been implemented the function and structure theme, and comprised other the replacement that is equal to.Therefore, right of the present invention consists of the equivalence that comprises other to be implemented, and the concrete right scope is with reference to claim.
Claims (9)
1. the basic preparation method of wind-driven generator insulated column, is characterized in that comprising the steps:
1), carry out excavation of foundation pit according to basic required form;
2), at foundation ditch bottom concreting bed course, the concrete cushion scope is greater than the outer wall template of placing later;
3), settle and fixing outer wall template in foundation ditch central authorities, the outer wall template is the regular polygon hollow column that the plurality of steel plates bolt-locking is formed by connecting;
4), the crab-bolt cage is put into the outer wall mold intralamellar part, with crane wholely place, leveling crab-bolt cage, and in crab-bolt cage outer ring, stirrup is installed;
5), place inner wall form in the crab-bolt cage, inner wall form is the regular polygon hollow column that the plurality of steel plates bolt-locking is formed by connecting, with crane just hanging, this hollow column of leveling, guarantee that inner wall form, outer wall template place with one heart, fixing at last;
6), between basic inner wall form, outer wall template concreting, and guarantee that whole regular polygon base integral builds moulding;
7), after basic moulding, inner wall form, outer wall template are all removed from the basis; After the form removal of basis, the space plain concrete backfill between basis and hole wall.
2. a kind of wind-driven generator insulated column basis preparation method according to claim 1, is characterized in that: anchor pole on the crab-bolt cage contact with concrete partly be furnished with the anchor tube that shields.
3. a kind of wind-driven generator insulated column basis preparation method according to claim 2, it is characterized in that: anchor pole is furnished with hot dip pipe or pvc pipe outward.
4. a kind of wind-driven generator insulated column basis preparation method according to claim 1, it is characterized in that: described steel plate cross section is plane, concave-convex type or waveform.
5. a kind of wind-driven generator insulated column basis preparation method according to claim 1, it is characterized in that: before concreting, grounding wire is also laid on wall form top outside.
6. the basic preparation method of wind-driven generator insulated column, is characterized in that comprising the steps:
1), carry out excavation of foundation pit according to basic required form;
2), at foundation ditch bottom concreting bed course, the concrete cushion scope is greater than the outer wall template of placing later;
3), settle and fixing outer wall template in foundation ditch central authorities, the outer wall template is the regular polygon hollow column that the plurality of steel plates bolt-locking is formed by connecting;
4), the crab-bolt cage is put into the outer wall mold intralamellar part, with crane wholely place, leveling crab-bolt cage, and in crab-bolt cage outer ring, stirrup is installed;
5), place inner wall form in the crab-bolt cage, the steel cylinder that inner wall form is structure as a whole just hangs with crane, and leveling guarantees that steel cylinder and outer wall template place with one heart, and is fixing at last;
6), at steel cylinder bottom concreting, then continue at the inner backfill plain concrete of steel cylinder to ground level;
7), concreting between wall form and steel cylinder outside, and guarantee that whole regular polygon base integral builds moulding;
8), after basic moulding, carry out the outer wall form removable;
9), after basic form removal, basis and the space plain concrete backfill of cheating between wall.
7. a kind of wind-driven generator insulated column basis preparation method according to claim 6, it is characterized in that: before concreting, grounding wire is also laid on wall form top outside.
8. the basic preparation method of wind-driven generator insulated column, is characterized in that comprising the steps:
1), carry out excavation of foundation pit according to basic required form;
2), at foundation ditch bottom concreting bed course, the concrete cushion scope is greater than the outer wall template of placing later;
3), settle and fixing outer wall template in foundation ditch central authorities, the outer wall template is the regular polygon hollow column that the plurality of steel plates bolt-locking is formed by connecting;
4), the crab-bolt cage is put into the outer wall mold intralamellar part, with crane wholely place, leveling crab-bolt cage, and in crab-bolt cage outer ring, stirrup is installed;
5), concreting in wall form outside, and guarantee that whole regular polygon base integral builds moulding;
6), after basic moulding, carry out the outer wall form removable;
7), after the concrete form removal, basis and the space plain concrete backfill of cheating between wall.
9. a kind of wind-driven generator insulated column basis preparation method according to claim 8, it is characterized in that: before concreting, grounding wire is also laid on wall form top outside.
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| CN2013100525575A CN103147457A (en) | 2013-02-18 | 2013-02-18 | Manufacturing method for independent column foundation of wind turbine generator |
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| CN2013100525575A CN103147457A (en) | 2013-02-18 | 2013-02-18 | Manufacturing method for independent column foundation of wind turbine generator |
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| CN104631486A (en) * | 2014-12-30 | 2015-05-20 | 上海宝钢工程咨询有限公司 | Independent plinth construction method in narrow environment |
| CN105556039A (en) * | 2013-09-26 | 2016-05-04 | 波马公司 | Anchoring device and method |
| CN109153100A (en) * | 2016-10-25 | 2019-01-04 | 仲田涂覆株式会社 | Gate-type tears processing unit (plant) |
| CN110904990A (en) * | 2019-12-13 | 2020-03-24 | 中冶建工集团有限公司 | Construction method of circular high-neck cup opening foundation structure |
| CN111661746A (en) * | 2019-03-07 | 2020-09-15 | 江苏金风科技有限公司 | Lifting appliance |
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| CN111661746A (en) * | 2019-03-07 | 2020-09-15 | 江苏金风科技有限公司 | Lifting appliance |
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| CN110904990A (en) * | 2019-12-13 | 2020-03-24 | 中冶建工集团有限公司 | Construction method of circular high-neck cup opening foundation structure |
| CN110904990B (en) * | 2019-12-13 | 2021-11-16 | 中冶建工集团有限公司 | Construction method of circular high-neck cup opening foundation structure |
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Application publication date: 20130612 |