CN218622304U

CN218622304U - Land wind self-response fan foundation device

Info

Publication number: CN218622304U
Application number: CN202222872444.7U
Authority: CN
Inventors: 李铭志; 韩士虎; 孟玉兆; 马飞; 侯鲲鹏; 李东; 赵星
Original assignee: Xian Thermal Power Research Institute Co Ltd; Huaneng Lancang River Hydropower Co Ltd
Current assignee: Xian Thermal Power Research Institute Co Ltd; Huaneng Lancang River Hydropower Co Ltd
Priority date: 2022-10-28
Filing date: 2022-10-28
Publication date: 2023-03-14
Anticipated expiration: 2032-10-28

Abstract

The utility model discloses a land wind self-response fan foundation device, which comprises a concrete bottom layer, a foundation cone and a steel cylinder; be equipped with the pyramis arch on the concrete bottom, the basis awl is pour in the pyramis arch, be connected through pouring structure between concrete bottom and the basis awl, steel cylinder top-down passes the basis awl perpendicularly and inserts in the pyramis arch, a plurality of fillets have been arranged to the surface of steel cylinder, be equipped with the recess on the side end wall of fillet, be equipped with the mirror image groove that is linked together with the recess on concrete bottom and the basis awl, recess and mirror image inslot are equipped with the reinforcement structure, this base device's structural strength is higher, steel cylinder and concrete foundation bonding strength are higher simultaneously.

Description

Land wind self-response fan foundation device

Technical Field

The utility model belongs to the technical field of wind power generation, specifically be a land wind self-response fan foundation device.

Background

Wind energy is used as a clean renewable resource, wind power generation is the most promising mode of scale development and commercial development in various renewable energy utilization technologies, the wind power generation is developed into alternative energy from the complementary energy of electric power basic energy, and even becomes the main force of electric power development in the future, so that the wind power generation is an important green energy investment project and plays an important role in national economic development.

In land wind-powered electricity generation, the land fan need carry out the fan bearing through construction fan foundation structure, but current wind self-response fan basis generally adopts reinforced concrete to pour and forms, its required concrete square volume is big, easily produce temperature stress and cause the concrete crack or appear shrinkage crack in pouring construction, influence structural strength, additionally, the steel cylinder is lower with concrete foundation bonding strength, the land fan is under the wind load effect for a long time, spalling or local conquassation easily appear in the concrete of both contact interface departments, form the crack, lead to appearing serious engineering accident.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned prior art's shortcoming, provide a land wind self-response fan foundation device, this foundation device's structural strength is higher, and the steel cylinder is higher with concrete foundation bonding strength simultaneously.

In order to achieve the purpose, the onshore wind self-response fan foundation device comprises a concrete bottom layer, a foundation cone and a steel cylinder;

be equipped with the pyramis arch on the concrete bottom, the basis awl is pour on the pyramis arch, is connected through pouring structure between concrete bottom and the basis awl, and steel cylinder top-down passes the basis awl perpendicularly and inserts in the pyramis arch, and a plurality of fillets have been arranged to the surface of steel cylinder, are equipped with the recess on the side end wall of fillet, are equipped with the mirror image groove that is linked together with the recess on concrete bottom and the basis awl, are equipped with the reinforcement structure in recess and the mirror image groove.

A plurality of foundation ground piles are uniformly distributed at the bottom of the concrete bottom layer.

The outer side surface of the foundation cone is provided with a cambered surface.

The concrete foundation comprises a foundation cone, a foundation pile, a first concrete layer and a second concrete layer, wherein the foundation cone is arranged on the foundation cone, the first concrete layer is arranged on the foundation pile, the second concrete layer is arranged on the foundation pile, the first concrete layer is arranged on the foundation pile, the second concrete layer is arranged on the second concrete layer, the through holes matched with the pouring structures are correspondingly formed between the concrete bottom layer and the foundation cone from top to bottom, the pouring structures are located in the through holes, each pouring structure comprises a secondary pile, connecting steel bars and a first concrete layer, the secondary piles penetrate through the foundation cone and the concrete bottom layer from top to bottom and extend to the position below the concrete bottom layer, the connecting steel bars are circumferentially arranged along the periphery of the secondary piles, and the first concrete layer is poured in the through holes.

The reinforcement structure comprises main vertical steel bars and stirrup sets, the main vertical steel bars are distributed in the grooves and the mirror image grooves, the stirrup sets are wound between the main vertical steel bars, and concrete is poured in the grooves and the mirror image grooves to form a second concrete layer.

The main vertical steel bar in the reinforcement structure is provided with six.

The fillets are uniformly distributed along the circumferential direction.

All foundation ground piles are uniformly distributed along the circumferential direction.

The utility model discloses following beneficial effect has:

land wind self-response fan foundation device when concrete operation, constitute the fan basis by concrete bottom and basic awl, it is big to solve traditional fan basis concrete square volume, concrete crack or shrinkage crack easily appear, influence structural strength's problem, through addding the cast structure with concrete bottom and the foundation awl between closely combine, guarantee joint strength and the basis wholeness between concrete bottom and the basic awl. Additionally, the utility model discloses a set up the fillet on the steel cylinder surface, be equipped with the recess on the side wall of fillet, be equipped with the mirror image groove that is linked together with the recess on concrete bottom and the basic awl, be equipped with the reinforcement structure in recess and the mirror image groove to increase the combination area between steel cylinder and the fan basis, make the bulk strength of steel cylinder link promote by a wide margin, the difficult condition that concrete contact interface pull-crack or local conquassation appear, the life under the fan load is in for a long time in extension fan basis.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a top view of the foundation cone 2 of the present invention;

FIG. 4 is an enlarged view of A in FIG. 3;

fig. 5 is a schematic structural diagram of the middle steel cylinder 6 of the present invention.

Wherein, 1 is the concrete bottom, 2 is the foundation awl, 201 is the cambered surface, 3 is foundation ground stake, 4 is the pyramis arch, 5 is the casting structure, 501 is the secondary stake, 502 is the connecting reinforcement, 503 is first concrete layer, 6 is the steel cylinder, 7 is the fillet, 8 is the recess, 9 is the mirror image groove, 10 is the reinforcement structure, 1001 is main vertical reinforcement, 1002 is stirrup group, 1003 is the second concrete layer, 11 is the through-hole.

Detailed Description

In order to make the technical solutions of the present invention better understood, the drawings in the embodiments of the present invention will be combined below to clearly and completely describe the technical solutions in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments, and do not limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present disclosure. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts shall belong to the protection scope of the present invention.

A schematic structural diagram according to an embodiment of the present disclosure is shown in the drawings. The figures are not drawn to scale, wherein certain details are exaggerated and possibly omitted for clarity of presentation. The shapes of the various regions, layers and their relative sizes, positional relationships are shown in the drawings as examples only, and in practice deviations due to manufacturing tolerances or technical limitations are possible, and a person skilled in the art may additionally design regions/layers with different shapes, sizes, relative positions, according to the actual needs.

Referring to fig. 1 to 5, the land wind self-response wind turbine foundation device of the present invention includes a concrete bottom layer 1, a foundation cone 2 and a steel cylinder 6;

the bottom of concrete bottom 1 has a plurality of foundation ground piles 3 along circumference equipartition, be equipped with pyramis arch 4 on the concrete bottom 1, basic awl 2 is pour on pyramis arch 4, be connected through casting structure 5 between concrete bottom 1 and the basic awl 2, casting structure 5 is used for improving joint strength and the shock resistance between concrete bottom 1 and the basic awl 2, steel cylinder 6 top-down passes basic awl 2 perpendicularly and inserts in pyramis arch 4, fillet 7 has been arranged along circumference to the surface of steel cylinder 6, be equipped with recess 8 on the side end wall of fillet 7, be equipped with the mirror image groove 9 that is linked together with recess 8 on the inner hole wall of concrete bottom 1 and basic awl 2, be equipped with reinforcement structure 10 between recess 8 and the mirror image groove 9, reinforcement structure 10 is used for strengthening the connection between concrete bottom 1 and the steel cylinder 6 and between basic awl 2 and the steel cylinder 6.

The utility model discloses a set up concrete bottom 1 and basic awl 2, carry out the modularized design with traditional pouring foundation block, it is big to solve traditional fan foundation concrete prescription, concrete crack or shrinkage crack easily appear, influence the problem of structural strength, through design pouring structure 5 between concrete bottom 1 and basic awl 2, combine in an organic whole between concrete bottom 1 and basic awl 2 through pouring structure 5, effectively promote the bulk strength and the stability of the fan foundation that comprises concrete bottom 1 and basic awl 2; through set up fillet 7 on the outer wall at steel cylinder 6 to add reinforcement structure 10, can increase the area of contact of steel cylinder 6 and fan foundation, promote simultaneously by a wide margin between steel cylinder 6 and the concrete bottom 1 and the foundation awl 2 and the steel cylinder 6 between joint strength, make the difficult emergence of the concrete of

steel cylinder

6 and 2 contact interface departments of foundation awl pull crack or local conquassation and form the crack, the wholeness is good, the extension fan foundation is in life under the fan load for a long time.

As shown in fig. 1 and fig. 2, an arc surface 201 is arranged on the outer side surface of the foundation cone 2, and the arc surface 201 is located below the soil layer; the setting of cambered surface 201 can increase the area of contact of basis awl 2 and soil horizon, improves the bearing capacity on fan basis, satisfies the requirement of basis bearing capacity.

As shown in fig. 2, through holes 11 adapted to the casting structure 5 are correspondingly formed between the concrete bottom layer 1 and the foundation cone 2 up and down, the casting structure 5 is located in the through holes 11, the casting structure 5 includes secondary piles 501, connecting steel bars 502 and a first concrete layer 503, wherein the secondary piles 501 penetrate through the foundation cone 2 and the concrete bottom layer 1 from top to bottom and extend to the lower side of the concrete bottom layer 1, the connecting steel bars 502 are circumferentially arranged along the periphery of the secondary piles 501, and the first concrete layer 503 is formed by casting concrete in the through holes 11 to combine the secondary piles 501 and the connecting steel bars 502 into a whole; through secondary pile 501's setting, with the soil layer of foundation ground stake 3 with superstructure's power transmission stability and bearing capacity height simultaneously, can strengthen the wholeness of fan basis, through setting up connecting reinforcement 502, bear the compressive stress that arouses by the load by connecting reinforcement 502, the outside concrete of pouring of cooperation makes and carries out the high strength between concrete bottom 1 and the basic awl 2 and combine to guarantee the intensity and the stability of fan basis.

As shown in fig. 3 and 4, the reinforcing structure 10 includes main vertical steel bars 1001, stirrup sets 1002 and a second concrete layer 1003, the main vertical steel bars 1001 are distributed in the grooves 8 and the mirror image grooves 9, the stirrup sets 1002 are wound between the main vertical steel bars 1001, concrete is poured into the grooves 8 and the mirror image grooves 9 to form the second concrete layer 1003, the second concrete layer 1003 integrates the main vertical steel bars 1001, the stirrup sets 1002 and the foundation cones 2, and simultaneously integrates the main vertical steel bars 1001, the stirrup sets 1002 and the concrete bottom layer 1; through setting up the better compressive stress who causes by the load of bearing of main vertical reinforcement 1001 and stirrup group 1002, by second concrete layer 1003 with main vertical reinforcement 1001, stirrup group 1002 and basic awl 2 combine in an organic whole, simultaneously with main vertical reinforcement 1001, stirrup group 1002 and concrete bottom 1 combine in an organic whole, make the increase of the combination area of steel cylinder 6, make its link bulk strength promote by a wide margin, the difficult condition that contact surface tension fracture or local conquassation appear, the life of extension fan basis under being in fan load for a long time.

As shown in fig. 4, main vertical steel bar 1001 in reinforcement structure 10 is provided with six, has arranged three main vertical steel bar 1001 in recess 8 and mirror image groove 9 respectively, and stirrup group 1002 includes first stirrup and second stirrup, and first stirrup is used for tieing six main vertical steel bar 1001 hoops and protects admittedly, and the second stirrup is used for tieing three main vertical steel bar 1001 alone in recess 8 and the mirror image groove 9 and protects admittedly.

Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same, and although the present invention is described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that: modifications and equivalents of the embodiments of the invention may be made without departing from the spirit and scope of the invention, which should be construed as being covered by the claims.

Claims

1. A land wind self-response fan foundation device is characterized by comprising a concrete bottom layer (1), a foundation cone (2) and a steel cylinder (6);

be equipped with pyramis arch (4) on concrete bottom (1), pour on pyramis arch (4) foundation awl (2), be connected through pouring structure (5) between concrete bottom (1) and foundation awl (2), steel cylinder (6) top-down passes foundation awl (2) perpendicularly and inserts in pyramis arch (4), a plurality of fillet (7) have been arranged to the surface of steel cylinder (6), be equipped with recess (8) on the side end wall of fillet (7), be equipped with mirror image groove (9) that are linked together with recess (8) on concrete bottom (1) and foundation awl (2), be equipped with reinforcement structure (10) in recess (8) and mirror image groove (9).

2. A land wind self-response wind turbine foundation device according to claim 1, wherein a plurality of foundation ground piles (3) are uniformly distributed at the bottom of the concrete bottom layer (1).

3. The land wind self-response wind turbine foundation device according to claim 1, wherein an arc surface (201) is arranged on the outer side surface of the foundation cone (2).

4. The onshore wind self-response wind turbine foundation device according to claim 1, wherein through holes (11) matched with the casting structures (5) are correspondingly formed between the concrete bottom layer (1) and the foundation cone (2) from top to bottom, the casting structures (5) are positioned in the through holes (11), each casting structure (5) comprises a secondary pile (501), connecting steel bars (502) and a first concrete layer (503), wherein the secondary piles (501) penetrate through the foundation cone (2) and the concrete bottom layer (1) from top to bottom and extend to the lower side of the concrete bottom layer (1), the connecting steel bars (502) are circumferentially arranged along the periphery of the secondary piles (501), and the first concrete layer (503) is cast in the through holes (11).

5. The onshore wind self-response wind turbine foundation device according to claim 1, wherein the reinforcing structure (10) comprises main vertical steel bars (1001) and stirrup sets (1002), the main vertical steel bars (1001) are distributed in the grooves (8) and the mirror image grooves (9), the stirrup sets (1002) are wound among the main vertical steel bars (1001), and concrete is poured in the grooves (8) and the mirror image grooves (9) to form the second concrete layer (1003).

6. A land wind self-response wind turbine foundation arrangement according to claim 5, wherein six main vertical rebars (1001) in the stiffening structure (10) are provided.

7. A land wind self-response wind turbine foundation arrangement according to claim 1, characterised in that the fillets (7) are evenly distributed in circumferential direction.

8. A land wind self-response wind turbine foundation arrangement according to claim 1, wherein the foundation piles (3) are evenly distributed in circumferential direction.