CN115992528A - Combined foundation for land wind turbine foundation - Google Patents
Combined foundation for land wind turbine foundation Download PDFInfo
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- CN115992528A CN115992528A CN202310234584.8A CN202310234584A CN115992528A CN 115992528 A CN115992528 A CN 115992528A CN 202310234584 A CN202310234584 A CN 202310234584A CN 115992528 A CN115992528 A CN 115992528A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 39
- 239000010959 steel Substances 0.000 claims abstract description 39
- 239000010720 hydraulic oil Substances 0.000 claims abstract description 9
- 230000008093 supporting effect Effects 0.000 claims description 25
- 238000005056 compaction Methods 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 239000003921 oil Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 abstract description 17
- 238000010276 construction Methods 0.000 abstract description 3
- 230000005484 gravity Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 239000011440 grout Substances 0.000 description 10
- 238000003825 pressing Methods 0.000 description 5
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 4
- 235000017491 Bambusa tulda Nutrition 0.000 description 4
- 241001330002 Bambuseae Species 0.000 description 4
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 4
- 239000011425 bamboo Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000001360 synchronised effect Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010727 cylinder oil Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/728—Onshore wind turbines
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Abstract
The invention discloses a combined foundation for a land wind turbine foundation, which belongs to the technical field of wind turbine generators and comprises a foundation, wherein a steel cylinder is fixedly arranged at the top of the foundation, and a generator is fixedly arranged at the top of the steel cylinder. According to the invention, the convex surface seat applies downward pressure to the built-in piston cylinder in the descending process, the built-in piston cylinder can retract in the external piston cylinder under the action of the downward pressure, the hydraulic oil pressure of the hydraulic oil in the external piston cylinder and the built-in piston cylinder can rise along with the stroke of the piston movement of the built-in piston cylinder in the external piston cylinder, the annular connecting seat is further applied with downward thrust, the annular connecting seat applies the pulling force on the foundation through the plurality of pull-down anchor cables, the foundation is higher in stability under the action of the pulling force, and compared with the existing gravity foundation, the foundation provided by the technical scheme is relatively smaller in volume, saves material consumption, is high in site construction efficiency, and construction quality is easier to control.
Description
Technical Field
The invention relates to the technical field of wind generating sets, in particular to a combined foundation for a land wind generating set foundation.
Background
The wind generating set comprises a wind wheel and a generator; the wind wheel comprises blades, a hub, reinforcing members and the like; it has the functions of wind power rotation to generate power, rotation of generator head, etc. The wind power generation power supply consists of a wind power generator set, a tower for supporting the wind power generator set, a storage battery charging controller, an inverter, an unloader, a grid-connected controller, a storage battery pack and the like.
The invention patent of the technical field of part of wind generating sets is disclosed in the prior art, wherein the invention patent with the application number of CN201820780409.3 discloses a tower foundation of a wind generating set and a wind generating set, and the tower foundation comprises a foundation main body, wherein a grouting groove is arranged on the foundation main body, the grouting groove comprises an opening and a bottom wall which are oppositely arranged along the vertical direction, the opening is arranged on the top surface of the foundation main body, and the bottom wall is arranged between the top surface of the foundation main body and the bottom surface of the foundation main body; the grouting layer is arranged in the grouting groove; the tower section of thick bamboo flange buries in the grout layer at least partly tower section of thick bamboo flange, and the grout layer sets up in the grout inslot for when forming the grout layer, need not to prop up the setting template for the grout layer alone, and be difficult for appearing leaking thick liquid problem when grouting, make the grout layer more closely knit, also can avoid outside to collide with the harm that brings the grout layer, improve the life and the bearing capacity of grout layer. In addition, at least part tower section of thick bamboo flange buries in the grout layer, not only can increase the area of contact between tower section of thick bamboo flange and the grout layer, and need not to set up the backing plate flange, when simplifying the device structure, can also reduce waterproof weak link for waterproof sealing operation is implemented more easily, and waterproof quality is guaranteed more. Therefore, the production of the wind generating set tower foundation is more convenient, the structure is simpler, the waterproof quality is ensured, and the service life of the wind generating set tower foundation is prolonged.
In the prior art, the combined foundation for the land wind turbine still has some defects in the process of supporting the generator and the wind wheel, and the supporting effect is achieved on the generator and the wind wheel on the generator in a passive mode, so that the stability of the generator at high altitude and the wind wheel on the generator is ensured, the combined foundation is large in size, more in consumption and high in construction cost.
Disclosure of Invention
The combined foundation for the land wind turbine foundation has the advantages that the technical problems can be solved, and the combined foundation for the land wind turbine foundation is provided.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a combination formula basis for land wind turbine generator system ground, includes the foundation, the top fixed mounting of foundation has the steel cylinder, the top fixed mounting of steel cylinder has the generator, fixed mounting has the wind wheel on the output shaft of generator, the peripheral cover of foundation bottom is equipped with the drop-down subassembly, the top fixedly connected with conversion subassembly of drop-down subassembly, conversion subassembly cup joints the surface at the steel cylinder, the surface of steel cylinder has still cup jointed a plurality of ground compaction subassemblies and is annular array, the periphery at the foundation is established to ground compaction subassembly cover.
As a further scheme of the invention, the conversion assembly comprises a hoop, the hoop is sleeved on the outer surface of the steel cylinder, a first sliding connecting groove is formed in the inner side wall of the hoop, a first sliding connecting seat is connected in the first sliding connecting groove in a sliding mode, a first supporting spring is fixedly connected to the end face of the first sliding connecting seat, the other end of the first supporting spring is fixedly connected to the end face of the inner side of the first sliding connecting groove, and one face, away from the hoop, of the first sliding connecting seat is fixedly connected with one face, close to the steel cylinder, of the first sliding connecting seat.
As a further scheme of the invention, the outer surface of the ferrule is fixedly sleeved with a convex seat, the top of the convex seat is of a planar structure, and the bottom of the convex seat is of a cambered surface structure.
As a further scheme of the invention, the pull-down assembly comprises an annular connecting seat, the annular connecting seat is sleeved on the periphery of the bottom of the foundation, the top of the annular connecting seat is fixedly connected with a plurality of pull-down anchor cables to form an annular array, and the other ends of the pull-down anchor cables are fixedly connected with the top of the foundation.
As a further scheme of the invention, the top of the annular connecting seat is fixedly connected with a plurality of pressing devices which are in an annular array, and the other end of each pressing device is positioned at the bottom of the convex seat.
As a further scheme of the invention, the pressing device comprises an external piston cylinder, the bottom end of the external piston cylinder is fixedly connected to the top of the annular connecting seat, an internal piston cylinder is sleeved in the external piston cylinder, and hydraulic oil is filled in the internal piston cylinder and the external piston cylinder.
As a further scheme of the invention, the bottom of the outer surface of the external piston cylinder is clamped with a one-way valve pipe, the surface of the one-way valve pipe is provided with a one-way valve, and the top of the outer surface of the internal piston cylinder is provided with a pressure oil filling cup.
As a further scheme of the invention, the ground compacting assembly comprises an annular clamp, the annular clamp is sleeved on the outer surface of the steel cylinder, a second sliding connecting groove is formed in the inner cambered surface of the annular clamp, a second sliding connecting seat is connected in a sliding manner in the second sliding connecting groove, a second supporting spring is fixedly connected to the end face of the second sliding connecting seat, the other end of the second supporting spring is fixedly connected with the end face of the inner side of the second sliding connecting groove, and one face of the second sliding connecting seat, which is away from the annular clamp, is fixedly connected with one face close to the steel cylinder.
As a further scheme of the invention, the edge of the bottom of the annular clamp is hinged with an adapter bracket through a spring hinge, and the edge of the bottom of the adapter bracket is hinged with a ground compacting plate through a spring hinge.
As a further scheme of the invention, a passing connection port is formed at the top of the switching frame, and the built-in piston cylinder is embedded in the passing connection port.
Compared with the prior art, the invention has the beneficial effects that:
1. according to the invention, in the supporting process of the steel cylinder on the generator and the wind wheel on the generator, wind blows through the convex seat, as the top of the convex seat is of a plane structure and the bottom of the convex seat is of a cambered surface structure, the air flow rate at the top of the convex seat is smaller than that at the bottom of the convex seat, so that the top and the bottom of the convex seat form a pressure difference, namely the pressure intensity at the top of the convex seat is greater than that at the bottom of the convex seat, the convex seat can slide downwards on the surface of the steel cylinder through the hoops, in the process, the hoops synchronously slide on the surface of the first sliding connecting seat through the first sliding connecting groove, the first sliding connecting seat and the first sliding connecting groove generate relative motion, the first supporting spring deforms under the action of the hoops, the convex seat generates downward pressure on the built-in piston cylinder under the action of downward pressure, the built-in piston cylinder generates retraction motion in the external piston cylinder, the hydraulic oil pressure in the external piston cylinder and the internal piston cylinder generates downward pressure on the stroke of the piston cylinder, the hydraulic oil in the external piston cylinder generates downward pressure on the surface of the external piston cylinder, the hydraulic oil in the annular connecting seat generates downward force, the foundation is pulled down by the annular connecting seat is more easily, the foundation is pulled down, the foundation is more effectively, the foundation is controlled, the foundation is more is used, the foundation is more effectively is used, the foundation is used is more effectively, the foundation is used, and the foundation is used is more is used, and the foundation is better is used.
2. According to the invention, the convex seat can also push the annular clamp to slide downwards on the surface of the steel cylinder in the descending process, the annular clamp performs synchronous sliding action on the surface of the second sliding connecting seat through the second sliding connecting groove, and the second supporting spring can deform under the action of the annular clamp due to the relative movement between the second sliding connecting seat and the second sliding connecting groove.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is an enlarged schematic view of the structure of FIG. 1A according to the present invention;
FIG. 3 is a schematic diagram of a pull-down assembly according to the present invention;
FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present invention;
FIG. 5 is a schematic diagram of a conversion assembly according to the present invention;
FIG. 6 is a schematic view of a pressing device according to the present invention;
FIG. 7 is a schematic view of a ground compacting assembly according to the present invention.
In the accompanying drawings:
1. a foundation base; 2. a steel cylinder; 3. a generator; 4. a conversion assembly; 401. a convex seat; 402. a ferrule; 403. a first sliding connection groove; 404. a first sliding connection seat; 405. a first support spring; 5. a pull-down assembly; 501. an annular connecting seat; 502. pulling down the anchor cable; 503. a pressing device; 5031. an external piston cylinder; 5032. a built-in piston cylinder; 5033. a one-way valve tube; 5034. a pressure oil filling cup; 6. a ground compacting assembly; 601. an annular clamp; 602. a second sliding connection groove; 603. the second sliding connecting seat; 604. a second support spring; 605. a transfer frame; 606. a ground compacting plate; 7. passing through the connecting port; 8. and a wind wheel.
Detailed Description
Referring to fig. 1-7, the present invention provides a technical solution: the utility model provides a combination formula basis for land wind turbine generator system ground, including foundation 1, the top fixed mounting of foundation 1 has steel cylinder 2, the top fixed mounting of steel cylinder 2 has generator 3, fixed mounting has wind wheel 8 on the output shaft of generator 3, the peripheral cover of foundation 1 bottom is equipped with pull-down subassembly 5, the top fixedly connected with conversion subassembly 4 of pull-down subassembly 5, conversion subassembly 4 cup joints on the surface of steel cylinder 2, the surface of steel cylinder 2 has still cup jointed a plurality of ground compaction subassemblies 6 and is annular array, the periphery at foundation 1 is established to ground compaction subassembly 6 cover.
Specifically, the conversion assembly 4 includes a ferrule 402, the ferrule 402 is sleeved on the outer surface of the steel cylinder 2, a first sliding connection groove 403 is formed in the inner side wall of the ferrule 402, a first sliding connection seat 404 is slidably connected in the first sliding connection groove 403, a first supporting spring 405 is fixedly connected to the end face of the first sliding connection seat 404, the other end of the first supporting spring 405 is fixedly connected to the end face of the inner side of the first sliding connection groove 403, one face of the first sliding connection seat 404, which faces away from the ferrule 402, is fixedly connected with one face, close to the steel cylinder 2, of the ferrule, a convex seat 401 is fixedly sleeved on the outer surface of the ferrule 402, the top of the convex seat 401 is of a planar structure, and the bottom of the convex seat 401 is of a cambered structure.
The embodiment is specifically as follows: in the supporting process of the steel cylinder 2 on the generator 3 and the wind wheel 8 on the generator 3, wind blows through the convex seat 401, because the top of the convex seat 401 is of a planar structure and the bottom of the convex seat 401 is of a cambered surface structure, the air flow rate at the top of the convex seat 401 is smaller than that at the bottom of the convex seat 401, so that the top and the bottom of the convex seat 401 form a pressure difference, namely the pressure intensity at the top of the convex seat 401 is greater than that at the bottom of the convex seat 401, the convex seat 401 can slide downwards on the surface of the steel cylinder 2 through the hoop 402, and in the process, the hoop 402 performs synchronous sliding action on the surface of the first sliding connecting seat 404 through the first sliding connecting groove 403, and the first supporting spring 405 deforms under the action of the hoop 402 because of the relative movement between the first sliding connecting seat 404 and the first sliding connecting groove 403.
Specifically, pull-down subassembly 5 includes annular connecting seat 501, the periphery in foundation 1 bottom is established to annular connecting seat 501 cover, the top fixedly connected with many pull-down anchor rope 502 of annular connecting seat 501 is annular array, the other end of pull-down anchor rope 502 and the top fixed connection of foundation 1, the top of annular connecting seat 501 still fixedly connected with a plurality of push-down devices 503 is annular array, the other end of push-down devices 503 is located the bottom of convex seat 401, push-down devices 503 includes external piston jar 5031, the bottom fixed connection of external piston jar 5031 is at the top of annular connecting seat 501, external piston jar 5031 has cup jointed built-in piston jar 5032 in, built-in piston jar 5032 and external piston jar 5031 intussuseption are filled with hydraulic oil, the bottom joint of external piston jar 5031 surface has check valve pipe 5033, the surface of check valve pipe 5033 is provided with the check valve, the top of built-in piston jar 5032 surface is provided with pressure oil cup 5034.
The embodiment is specifically as follows: in the descending process of the convex seat 401, downward pressure is applied to the built-in piston cylinder 5032, the built-in piston cylinder 5032 can retract in the external piston cylinder 5031 under the action of the downward pressure, along with the stroke of the built-in piston cylinder 5032 in the external piston cylinder 5031 in the piston motion, the hydraulic oil pressure in the external piston cylinder 5031 and the built-in piston cylinder 5032 can rise, then downward thrust is applied to the annular connecting seat 501, the annular connecting seat 501 applies pulling force on the foundation 1 through the plurality of pull-down anchor cables 502, and the foundation 1 is higher in stability under the action of the downward pulling force.
Specifically, the ground compaction assembly 6 includes annular clamp 601, annular clamp 601 cover is established at the surface of steel cylinder 2, second sliding connection groove 602 has been seted up to annular clamp 601's intrados, sliding connection has the second to slide connecting seat 603 in the second sliding connection groove 602, the terminal surface fixedly connected with second supporting spring 604 of second sliding connection seat 603, the terminal surface fixed connection of the inboard terminal surface of second sliding connection groove 602 of second supporting spring 604, the one side that second sliding connection seat 603 deviates from annular clamp 601 is close with steel cylinder 2 one side fixed connection, the border department of annular clamp 601 bottom articulates through the spring hinge has the changeover frame 605, the border department of changeover frame 605 bottom articulates through the spring hinge has ground compaction board 606.
The embodiment is specifically as follows: the convex seat 401 can also push the annular clamp 601 to slide downwards on the surface of the steel cylinder 2 in the descending process, the annular clamp 601 performs synchronous sliding action on the surface of the second sliding connecting seat 603 through the second sliding connecting groove 602, and because the second sliding connecting seat 603 and the second sliding connecting groove 602 perform relative movement, the second supporting spring 604 deforms under the action of the annular clamp 601, and because the annular clamp 601 and the adapter frame 605 use a spring hinge as a connecting medium, the adapter frame 605 and the ground compacting plate 606 also use a spring hinge as a connecting medium, the bottom of the ground compacting plate 606 is always attached to the ground in the continuous descending process of the convex seat 401, the ground compacting plate 606 can apply downward pressure on the ground in the sliding process of the ground, and the ground compacting plate 606 can have a technical effect of trowelling the ground.
Specifically, the top of the adapter 605 is provided with a through connection port 7, and the built-in piston cylinder 5032 is embedded in the through connection port 7.
Working principle: the foundation 1 is formed by building a plurality of steel bars, and a stable foundation 1 is formed after concrete pouring, so that the foundation 1 has a larger counterweight and is used for providing a stable supporting effect for the bottom of the steel cylinder 2, the wind wheel 8 under the high altitude rapidly rotates under the action of wind, and the torsion acts on the generator 3 to convert wind energy into electric energy;
in the supporting process of the steel cylinder 2 to the generator 3 and the wind wheel 8 on the generator 3, wind blows through the convex seat 401, because the top of the convex seat 401 is of a plane structure and the bottom of the convex seat 401 is of a cambered surface structure, the air flow rate at the top of the convex seat 401 is smaller than that at the bottom of the convex seat 401, and therefore, the top and the bottom of the convex seat 401 form a pressure difference, namely, the pressure intensity at the top of the convex seat 401 is greater than that of the bottom of the convex seat 401, the convex seat 401 slides downwards on the surface of the steel cylinder 2 through the hoop 402, in the process, the hoop 402 synchronously slides on the surface of the first sliding connecting seat 404 through the first sliding connecting groove 403, the first sliding connecting seat 404 and the first sliding connecting groove 403 move relatively, the first supporting spring 405 deforms under the action of the hoop 402, the convex seat 401 can apply downward pressure to the built-in piston cylinder 5032 in the process of descending, the built-in piston cylinder 5032 can retract in the external piston cylinder 5031, the external piston 5032 slides downwards along with the external piston 5031, the external piston 5032 slides downwards on the surface of the steel cylinder 2, the basis is more effectively controlled by the annular piston 5031, the weight is more effectively improved, the weight of the foundation is improved, the foundation is more than the foundation is achieved, the foundation is realized, the foundation is more effectively, and the foundation is more effectively controlled by the hydraulic pressure is applied under the action of the piston is better foundation and the existing foundation is compared with the existing technology.
The convex seat 401 is in the in-process of descending, still can promote annular clamp 601 and slide downwards at the surface of steel cylinder 2, annular clamp 601 carries out synchronous sliding action through second slide spread groove 602 at the surface of second slide spread groove 603, because take place relative motion between second slide spread groove 603 and the second slide spread groove 602, therefore second supporting spring 604 will take place deformation under annular clamp 601's effect, because use the spring hinge as connecting medium between annular clamp 601 and the changeover frame 605, also use the spring hinge as connecting medium between changeover frame 605 and the ground compaction board 606, convex seat 401 is in the in-process of continuing descending, the bottom of ground compaction board 606 is laminated with ground all the time, ground compaction board 606 can exert decurrent pressure to ground at the gliding in-process of ground, ground compaction board 606 can play the technological effect of trowelling to ground, on the one hand, can strengthen the solidity on the ground, on the other hand can play the effect of flattening on the surface crack, consequently can avoid the rainwater to ooze the soil layer depths fast, thereby be favorable to guaranteeing the stability of foundation 1.
Claims (10)
1. The utility model provides a combination formula basis for land wind turbine generator system ground, includes foundation (1), the top fixed mounting of foundation (1) has steel cylinder (2), the top fixed mounting of steel cylinder (2) has generator (3), fixed mounting has wind wheel (8) on the output shaft of generator (3), its characterized in that: the periphery cover of foundation (1) bottom is equipped with drop-down subassembly (5), the top fixedly connected with conversion subassembly (4) of drop-down subassembly (5), conversion subassembly (4) cup joint the surface at steel cylinder (2), the surface of steel cylinder (2) has still cup jointed a plurality of ground compaction subassembly (6) and is annular array, the periphery at foundation (1) is established to ground compaction subassembly (6) cover.
2. A modular foundation for a land wind turbine foundation according to claim 1, wherein: the conversion assembly (4) comprises a hoop (402), the hoop (402) is sleeved on the outer surface of the steel cylinder (2), a first sliding connecting groove (403) is formed in the inner side wall of the hoop (402), a first sliding connecting seat (404) is connected in the first sliding connecting groove (403) in a sliding mode, a first supporting spring (405) is fixedly connected to the end face of the first sliding connecting seat (404), the other end of the first supporting spring (405) is fixedly connected to the end face of the inner side of the first sliding connecting groove (403), and one face, deviating from the hoop (402), of the first sliding connecting seat (404) is fixedly connected with one face, close to the steel cylinder (2), of the first sliding connecting seat.
3. A modular foundation for a land wind turbine foundation according to claim 2, wherein: the outer surface of the hoop (402) is fixedly sleeved with a convex seat (401), the top of the convex seat (401) is of a planar structure, and the bottom of the convex seat (401) is of a cambered surface structure.
4. A modular foundation for a land wind turbine foundation according to claim 1, wherein: the drop-down subassembly (5) include annular connecting seat (501), the periphery in foundation (1) bottom is established to annular connecting seat (501) cover, the top fixedly connected with of annular connecting seat (501) drop-down anchor rope (502) are annular array, the other end of drop-down anchor rope (502) is fixedly connected with the top of foundation (1).
5. A modular foundation for a land wind turbine foundation of claim 4 wherein: the top of annular connecting seat (501) is still fixedly connected with a plurality of pushing devices (503) and is annular array, the other end of pushing devices (503) is located the bottom of convex seat (401).
6. A modular foundation for a land wind turbine foundation according to claim 5, wherein: the pushing device (503) comprises an external piston cylinder (5031), the bottom end of the external piston cylinder (5031) is fixedly connected to the top of the annular connecting seat (501), an internal piston cylinder (5032) is sleeved in the external piston cylinder (5031), and hydraulic oil is filled in the internal piston cylinder (5032) and the external piston cylinder (5031).
7. A modular foundation for a land wind turbine foundation according to claim 6, wherein: the bottom joint of external piston cylinder (5031) surface has check valve pipe (5033), the surface of check valve pipe (5033) is provided with the check valve, the top of built-in piston cylinder (5032) surface is provided with pressure oil cup (5034).
8. A modular foundation for a land wind turbine foundation of claim 7 wherein: the ground compaction assembly (6) comprises an annular clamp (601), the annular clamp (601) is sleeved on the outer surface of the steel cylinder (2), a second sliding connecting groove (602) is formed in the inner cambered surface of the annular clamp (601), a second sliding connecting seat (603) is connected in a sliding mode in the second sliding connecting groove (602), a second supporting spring (604) is fixedly connected to the end face of the second sliding connecting seat (603), the other end of the second supporting spring (604) is fixedly connected with the end face of the inner side of the second sliding connecting groove (602), and one face, deviating from the annular clamp (601), of the second sliding connecting seat (603) is fixedly connected with one face, close to the steel cylinder (2).
9. A modular foundation for a land wind turbine foundation according to claim 8, wherein: the edge of annular clamp (601) bottom is articulated through the spring hinge has switching frame (605), the edge of switching frame (605) bottom is articulated through spring hinge has ground compaction board (606).
10. A modular foundation for a land wind turbine foundation according to claim 9, wherein: the top of the switching frame (605) is provided with a passing connection port (7), and the built-in piston cylinder (5032) is embedded in the passing connection port (7).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2022115224438 | 2022-11-30 | ||
| CN202211522443.8A CN115821970A (en) | 2022-11-30 | 2022-11-30 | Combined foundation for land wind turbine foundation |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115992528A true CN115992528A (en) | 2023-04-21 |
| CN115992528B CN115992528B (en) | 2024-07-19 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211522443.8A Pending CN115821970A (en) | 2022-11-30 | 2022-11-30 | Combined foundation for land wind turbine foundation |
| CN202310234584.8A Active CN115992528B (en) | 2022-11-30 | 2023-03-13 | Combined foundation for land wind turbine foundation |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202211522443.8A Pending CN115821970A (en) | 2022-11-30 | 2022-11-30 | Combined foundation for land wind turbine foundation |
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| CN114808995A (en) * | 2022-04-13 | 2022-07-29 | 山东科技大学 | Suction force applying foundation penetration counterweight and scour prevention layer device and construction method |
| CN217537045U (en) * | 2022-06-08 | 2022-10-04 | 中国电建集团华东勘测设计研究院有限公司 | Hoisting platform capable of being rapidly constructed for land ultrahigh fans |
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- 2022-11-30 CN CN202211522443.8A patent/CN115821970A/en active Pending
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- 2023-03-13 CN CN202310234584.8A patent/CN115992528B/en active Active
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| Publication number | Publication date |
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| CN115992528B (en) | 2024-07-19 |
| CN115821970A (en) | 2023-03-21 |
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