CN213448545U

CN213448545U - Offshore wind power foundation concrete block with bionic grass

Info

Publication number: CN213448545U
Application number: CN202021457701.5U
Authority: CN
Inventors: 朱嵘华; 刘寒秋; 涂智圣; 王恒丰; 陈佩玲; 孙香
Original assignee: Guangdong Huayun New Energy Co ltd
Current assignee: Guangdong Huayun New Energy Co ltd
Priority date: 2020-07-22
Filing date: 2020-07-22
Publication date: 2021-06-15
Anticipated expiration: 2030-07-22

Abstract

The utility model belongs to the technical field of offshore wind power, concretely relates to take marine wind power foundation concrete piece of bionical grass, including concrete substrate and a set of bionical grass component that sets up on concrete substrate, bionical grass component is including setting up the base on the concrete substrate and setting up the bionical grass on the base. The utility model discloses beneficial effect does: on general stone and sand throwing bag basis, adopt the concrete piece counterpulsation hole top of taking bionical grass to carry out the secondary protection, can solve concrete interlocking row and need fix a position and bionical grass mat need the problem of anchor, reduce the construction degree of difficulty, improve the scour prevention effect.

Description

Offshore wind power foundation concrete block with bionic grass

Technical Field

The utility model belongs to the technical field of offshore wind power, concretely relates to take marine wind power foundation concrete piece of bionical grass.

Background

At present, limited to the shortage of clean energy, offshore wind power is widely popularized in various countries in the global scope, in the field of offshore wind power, fixed foundation support structures are often used for a fan and a tower structure, in the fixed foundation support structures, a single-pile foundation occupies more than 50% of the market, however, under the combined action of waves and ocean currents, a scouring pit is often generated near the exposed seabed on the single-pile foundation, the depth of the scouring pit is half of the diameter depth of the pile and is more than half of the diameter depth of the pile, the formation of the scouring pit reduces the bearing capacity of a pile foundation on one hand, on the other hand, the rigidity of the foundation is reduced, the self-vibration frequency of the foundation is reduced, the foundation is more easily influenced by the waves, and the risk that the foundation generates resonance is increased. At present, the anti-scouring protection means is mainly realized by protecting against stones, sand throwing bags, stones and concrete interlocking rows, wherein the stones or the sand throwing bags are subjected to secondary rushing away or deviation rushing away in the later period under the condition of heavy stormy weather, and the stones and concrete interlocking rows are protected, so that the problem of high cost is also solved. In addition, the adopted anti-scouring means is usually one-time investment, economic benefits are not brought, and the anti-scouring means and the economic benefits are all problems which need to be solved at present in the field of offshore wind power engineering.

In order to solve the problems, the applicant provides an offshore wind power foundation concrete block with bionic grass, which mainly solves the defects of sediment deposition and ocean current weakening of the existing anti-scouring means, and meanwhile, the bionic grass can also provide a sheltering place for fish spawning, so that ocean space is fully utilized. According to the invention, after the washhole is backfilled by a traditional stone or sand throwing bag, secondary protection is carried out without adopting a concrete interlocking row, and the concrete block with the bionic grass mixture is thrown into the foundation, so that on one hand, the bionic grass has a flow reducing effect, sediment can be deposited on a bottom bed with a large content of seawater sediment, on the other hand, the bionic grass provides a sheltering place for fishes, and the sea area space can be fully utilized.

SUMMERY OF THE UTILITY MODEL

In order to compensate for the defects of the prior art, the utility model provides a marine wind power foundation concrete block technical scheme of area bionical grass.

The offshore wind power foundation concrete block with the bionic grass is characterized by comprising a concrete substrate and a group of bionic grass components arranged on the concrete substrate, wherein the bionic grass components comprise a base arranged on the concrete substrate and the bionic grass arranged on the base.

The offshore wind power foundation concrete block with the bionic grass is characterized in that the base is fixedly embedded in the concrete substrate.

The offshore wind power foundation concrete block with the bionic grass is characterized in that the base is made of a polymer composite material.

The offshore wind power foundation concrete block with the bionic grass is characterized in that the root of the bionic grass is bonded on the base.

The offshore wind power foundation concrete block with the bionic grass is characterized in that the bionic grass comprises a plurality of bionic leaves annularly distributed on a base.

The offshore wind power foundation concrete block with the bionic grass is characterized in that the bionic grass components are arranged on a concrete substrate according to an array.

The offshore wind power foundation concrete block with the bionic grass is characterized in that the base is of a cylindrical structure.

The offshore wind power foundation concrete block with the bionic grass is characterized in that the concrete substrate is of a cuboid structure.

The offshore wind power foundation concrete block with the bionic grass is characterized by further comprising a formwork, wherein the concrete substrate is poured and formed in a formwork cavity of the formwork, and the bionic grass extends out of a hole of the formwork.

Compared with the prior art, the utility model discloses beneficial effect does: on the basis of general stone and sand throwing bags, the concrete block with the bionic grass is adopted to carry out secondary protection on the top of the flushing pit, so that the problems that the concrete interlocking row needs to be positioned and the bionic grass mat needs to be anchored can be solved, the construction difficulty is reduced, and the anti-scouring effect is improved; the utility model can control the quantity and density of the bionic grass according to the needs to meet the different needs of areas with lighter scouring and more serious scouring, thus saving the cost; the concrete block with the bionic grass does not need maintenance in the later period, and has the advantage of heavy weight of the concrete block, so the concrete block cannot be easily washed away, and simultaneously has the advantage of flow reduction silt of the bionic grass, and the silts fall into gaps of a bottom riprap or a sand throwing bag, so that the whole protection is enhanced; the space environment formed by the bionic grass and the base can provide sheltering places for fish spawning.

Drawings

FIG. 1 is a schematic structural view of example 1;

FIG. 2 is a schematic view of the structure of a biomimetic grass member in example 1;

FIG. 3 is a schematic structural view of example 2;

FIG. 4 is a schematic view of a connecting structure between a mold shell and a bionic grass member in embodiment 2;

FIG. 5 is a schematic view showing a structure of a mold case in example 2;

FIG. 6 is a schematic view of the structure of a biomimetic grass member in example 3;

fig. 7 is a schematic view of a mold case structure in example 3.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

Example 1

As shown in fig. 1 and 2, the marine wind power foundation concrete block with the bionic grass comprises a concrete substrate 1 and a group of bionic grass components 2 arranged on the concrete substrate 1, wherein the bionic grass components 2 comprise a base 20 arranged on the concrete substrate 1 and the bionic grass 21 arranged on the base 20.

As the structural optimization of the present embodiment: the base 20 is fixedly fitted to the concrete base plate 1.

As the structural optimization of the present embodiment: the base 20 is made of a polymer composite material.

As the structural optimization of the present embodiment: the root of the bionic grass 21 is adhered to the base 20.

As the structural optimization of the present embodiment: the bionic grass 21 comprises a plurality of bionic leaves annularly distributed on the base 20.

As the structural optimization of the present embodiment: the bionic grass components 2 are arranged on the concrete substrate 1 according to an array.

As the structural optimization of the present embodiment: the base 20 is of a cylindrical configuration.

As the structural optimization of the present embodiment: the concrete substrate 1 is of a cuboid structure.

Embodiment 1 is through the mould preparation, and it has the diameter slightly to be less than the circular port of base 20 to open on the mould, opens at the lower extreme of circular port has diameter and base 20 assorted circular slot, and circular port and circular slot constitute a step-shaped hole, and the circular slot is used for fixing a position base 20, and the circular port is used for supplying imitative biograss 21 to stretch out. The manufacturing process is that firstly the bionic grass component 2 is reversely arranged on the mould, the base 20 is positioned on the corresponding circular groove, and the bionic grass extends out of the circular hole, so that the stability of the bionic grass component 2 can be ensured, and the inner wall of the mould is paved with a corresponding plastic film in advance, thereby being convenient for demoulding. And then pouring concrete into the mould until the whole mould is completely filled, and after the mould is formed, drawing out the mould and further air-drying to finally form the concrete block with the bionic grass. The embodiment can effectively adjust the quantity and the density of the bionic grass 21, and throw sparse concrete blocks with the bionic grass in certain areas with light scouring to properly deposit silt, and throw dense concrete blocks with the bionic grass in areas with serious scouring to strengthen flow reduction and sediment accumulation, and also provide natural spawning sites for fishes.

Example 2

As shown in fig. 3-5, the mold casing 3 is added to the mold casing 3 of the embodiment 2, and the mold casing 3 is similar to the mold of the embodiment 1, but is different in nature. The formwork 3 is made of concrete, in addition, the formwork 3 can also adopt other hard structures, the formwork 3 is provided with a die cavity 31 matched with the shape of the concrete substrate 1, a plurality of stepped holes 30 with big bottom and small top are arranged on the formwork 3, when the embodiment is manufactured, the bionic grass component 2 is firstly arranged on the formwork 3 in an inverted manner, the base 20 is positioned at the lower part of the corresponding stepped hole 30, and the bionic grass 21 extends out of the upper part of the stepped hole 30, so that the stability of the bionic grass component 2 can be ensured, then the concrete is poured into the die cavity 31 to form the concrete substrate 1, and the formwork 3, the concrete substrate 1 and the base 20 are condensed into a whole without additional demoulding. This has the advantage of simplifying the process and providing greater structural strength.

Example 3

As shown in fig. 6 and 7, the embodiment 3 is modified from the embodiment 2 as follows: in the embodiment, the formwork 3 is provided with a plurality of through holes 32 instead of stepped holes, the base 20 is designed into a stepped shaft shape, when the base is reversely positioned, the part with the smaller diameter of the base 20 is inserted into the through hole 32 of the formwork 3 to realize positioning, the part with the larger diameter is left in the mold cavity 31, and then the concrete substrate 1 is poured in the same way.

The utility model discloses an advantage and innovation point are as follows:

1) on the basis of general stone and sand throwing bags, the concrete block with the bionic grass is adopted to carry out secondary protection on the top of the flushing pit, so that the problems that the concrete interlocking row needs to be positioned and the bionic grass mat needs to be anchored can be solved, the construction difficulty is reduced, and the anti-scouring effect is improved;

2) the utility model can control the quantity and density of the bionic grass according to the needs to meet the different needs of areas with lighter scouring and more serious scouring, thus saving the cost;

3) the concrete block with the bionic grass does not need maintenance in the later period, and has the advantage of heavy weight of the concrete block, so the concrete block cannot be easily washed away, and simultaneously has the advantage of flow reduction silt of the bionic grass, and the silts fall into gaps of a bottom riprap or a sand throwing bag, so that the whole protection is enhanced;

4) the space environment formed by the bionic grass and the base can provide sheltering places for fish spawning.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.

Claims

1. The marine wind power foundation concrete block with the bionic grass is characterized by comprising a concrete base plate (1) and a group of bionic grass components (2) arranged on the concrete base plate (1), wherein the bionic grass components (2) comprise a base (20) arranged on the concrete base plate (1) and the bionic grass (21) arranged on the base (20).

2. Offshore wind power foundation concrete block with biomimetic grass according to claim 1, characterised in that the foundation (20) is fixedly embedded in the concrete base plate (1).

3. Offshore wind power foundation concrete block with simulated grass according to claim 1, characterised in that said foundation (20) is made of a polymer composite material.

4. Offshore wind power foundation concrete block with simulated grass according to claim 1, characterised in that the root of the simulated grass (21) is glued to the foundation (20).

5. Offshore wind power foundation concrete block with biomimetic grass according to claim 1, characterised in that the biomimetic grass (21) comprises a plurality of biomimetic leaves annularly distributed on the base (20).

6. Offshore wind power foundation concrete block with simulated grass according to claim 1, characterised in that said simulated grass elements (2) are arranged in an array on a concrete base plate (1).

7. Offshore wind power foundation concrete block with simulated grass according to claim 1, characterised in that said foundation (20) is of cylindrical structure.

8. Offshore wind power foundation concrete block with simulated grass according to claim 1, characterised in that said concrete substrate (1) is of cuboid structure.

9. An offshore wind power foundation concrete block with biomimetic grass according to any of claims 1-8, characterized in that it further comprises a formwork (3), said concrete base plate (1) is cast in the formwork cavity of the formwork (3), said biomimetic grass (21) protrudes from the aperture of the formwork (3).