CN213549109U - Hexagonal steel structure assembled artificial fish reef - Google Patents

Abstract

The utility model relates to an artificial fish reef of hexagon steel construction assembled. The utility model comprises a structural component and a functional component, wherein the structural component and the functional component are connected in a detachable assembly manner; the structural component comprises a reef body support frame, a water permeable support and a bottom support plate and is made of seawater corrosion resistant steel; the reef body support frame is of a three-dimensional frame structure with an inner hexagon and an outer hexagon, and comprises a plurality of outer hexagonal horizontal supports and inner hexagonal horizontal supports which are arranged in parallel, and a vertical support frame which is vertically connected with the outer hexagonal horizontal supports and the inner hexagonal horizontal supports; the top of the reef body support frame is provided with a lifting hook, the bottom of the reef body support frame is provided with a water permeable support, the other end of the water permeable support is welded with a bottom support plate, and the bottom support plate is on the same horizontal plane and is in contact with the seabed; the functional components comprise cement corrugated plates with rough surfaces, the cement corrugated plates are assembled between the reef body supporting frames at intervals, and the artificial fish reef with multiple layers and multiple holes is assembled.

Description

Hexagonal steel structure assembled artificial fish reef

Technical Field

The utility model relates to a marine ranch technical field relates to artificial fish reef, concretely relates to artifical fish reef of hexagon steel construction assembled.

Background

With the rapid development and the continuous growth of population of economic society in China, the influence of a plurality of factors such as environmental pollution, engineering construction and excessive fishing on offshore fishery resources in China is seriously reduced, the ecological environment of a water area is increasingly worsened, the desertification of the water area is increasingly obvious, and the protection and the sustainable utilization of marine biological resources in China are seriously influenced.

The marine ranch is based on the principle of a marine ecosystem, and is a fishery mode which is used for constructing or repairing places required by marine organism breeding, production, bait feeding or enemy avoidance in a specific sea area through measures such as artificial fish reefs, proliferation and releasing, proliferating and maintaining fishery resources, improving the ecological environment of the sea area and realizing sustainable utilization of the fishery resources. The artificial fish reef construction is a main measure of a marine ranch and is an effective measure which is generally accepted by the world to improve the marine ecological environment and repair and proliferate damaged fishery resources. Research and practice prove that the artificial fish reef firstly provides an attachment matrix for marine algae and attached organisms by putting the artificial fish reef in the artificial fish reef, the marine algae can improve water quality and absorb nutrient salts in seawater so as to avoid seawater eutrophication and red tide, and the artificial fish reef is also natural bait for a plurality of organisms. Therefore, through the construction of the artificial fish reef, not only can resources such as algae and attached organisms be recovered, but also natural sheltering fields, baits and nursery fields are provided for a plurality of organisms, and meanwhile, the artificial fish reef plays a positive role in repairing fishery resources, improving fishery output and particularly promoting the development potential of marine fishery by combining the proliferation and releasing of seedlings. The throwing effect of the artificial fish reef is related to the material, the structural form, the weight and the specification of the artificial fish reef and natural factors of sea areas, in particular to the structural form, the bottom type, the water depth, the water flow and other influencing factors of the artificial fish reef.

The artifical fish reef of putting in at present is mostly reinforced concrete structure, and it has a lot of insufficiencies: firstly, the reef body is heavy, the requirement on the substrate condition is high, and sinking and silting conditions are easy to occur; secondly, the manufacturing process has large environmental pollution, large occupied area and long prefabricating period; thirdly, the reinforced concrete material does not utilize the structural design, so that the function of the fish reef cannot be exerted to the maximum extent; fourthly, due to the fact that the self weight of the reinforced concrete reef is high, the reinforced concrete reef is easy to silt and not easy to carry and throw, the specification of the reinforced concrete reef is limited, the length, the width and the height of the reinforced concrete reef are generally not more than 3 meters, and the effect of the reinforced concrete reef is not obvious when the reinforced concrete reef is thrown into a relatively deep sea area.

SUMMERY OF THE UTILITY MODEL

For solving the technical problem, the utility model discloses an artifical fish reef of hexagon steel construction assembled has overturned traditional reinforced concrete fish reef and has adopted the functional module of environmental protection, light, with low costs steel construction component and cement buckled plate from the inherent mode of design to input, makes artifical fish reef equip, the utility model has the advantages of stability and water permeability are strong, long service life, equipment convenience, transportation input efficiency height, be suitable for sea area wide range, space utilization height, fish reef functional strong etc. a great deal of advantage, the function of the artifical fish reef of performance that can furthest satisfies requirements such as marine ranch construction.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an artifical fish reef of hexagon steel construction assembled, includes structural component and functional component, can dismantle the assembled connection between structural component and the functional component, wherein:

the structural component comprises a reef body support frame, a water permeable support and a bottom support plate, wherein the reef body support frame, the water permeable support and the bottom support plate are made of seawater corrosion resistant steel; the reef body support frame is of a three-dimensional frame structure with an inner hexagon and an outer hexagon, and comprises a plurality of outer hexagonal horizontal supports, inner hexagonal horizontal supports and vertical support frames vertically connected with the outer hexagonal horizontal supports and the inner hexagonal horizontal supports; the outer hexagonal horizontal bracket and the inner hexagonal horizontal bracket are arranged in parallel, and an inclined bracket is arranged between the outer hexagonal horizontal bracket and the inner hexagonal horizontal bracket; the top of the reef body support frame is provided with a lifting hook, so that the artificial fish reef is convenient to put in and lift; a water permeable support is arranged at the bottom of the vertical support frame, a bottom support plate is welded at the other end of the water permeable support, and the bottom support plate is in contact with the seabed;

the functional components comprise cement corrugated plates with rough surfaces, the cement corrugated plates are detachably assembled and connected with the reef body support frames, the cement corrugated plates are assembled between the reef body support frames at intervals to form the artificial fish reef with multiple layers and multiple holes, and the included angle between the cement corrugated plates assembled between the inner and outer double-regular-hexagon reef body support frames and the horizontal plane is 20-45 degrees.

Furthermore, the reef body support comprises an outer hexagonal horizontal support and an inner hexagonal horizontal support, a cement corrugated plate support is arranged between the outer hexagonal horizontal support and the inner hexagonal horizontal support through a connecting member, and the cement corrugated plate support and the inclined support are in an M-shaped curve in a longitudinal vertical section.

Further, the reef body support frame and the water permeable support are formed by welding or assembling a plurality of steel structure units, the plurality of steel structure units are assembled, two ends of each steel structure support unit are provided with threaded holes, the steel structure support units are connected through connecting member bolts, and the connecting member is provided with threaded holes for mounting the steel structure support units.

Further, the suitable length of the permeable support is 30-140 cm.

Furthermore, the water permeable supports of the reef body supports with the inner and outer regular hexagons are different in length, and the bottom support plates welded at the other ends of the water permeable supports are not on the same horizontal plane.

Furthermore, the support that permeates water on the interval set up multilayer bottom sprag board, the interval of adjacent layer bottom sprag board is 10 ~ 20 cm.

Furthermore, a support frame fixing support is arranged between the parallel vertical support frames which are vertically connected with the outer hexagonal horizontal support frame and the inner hexagonal horizontal support frame.

Furthermore, the detachable assembly type connection between the cement corrugated plate and the reef body support frame is clamping assembly connection or bolt assembly connection, an L-shaped fixed clamping plate is arranged between the cement corrugated plate and the reef body support frame, and the fixed clamping plate is arranged at the end part of the cement corrugated plate; the clamping assembly is connected, a clamping groove is formed in the reef body supporting frame, a clamping piece matched with the clamping groove is arranged on the fixed clamping plate, and the cement corrugated plate is clamped and assembled on the reef body supporting frame; the bolt is in assembly connection, a threaded hole is formed in the reef body supporting frame, an L-shaped fixing clamping plate is arranged between the cement corrugated plate and the reef body supporting frame, a threaded hole is formed in the fixing clamping plate, and the cement corrugated plate is assembled on the reef body supporting frame through a bolt.

Furthermore, the reef body support frame, the permeable support, the bottom support plate, the support frame fixing support, the connecting member and the fixing clamp plate are made of 10CrMoAl steel.

Furthermore, the reef body support frame and the water permeable support frame adopt angle steel and/or square steel.

Furthermore, oyster shell and/or scallop shell are mixed and added into the cement material of the cement corrugated plate, the oyster shell and/or scallop shell are crushed into 1-5 cm of crushed shell, and the weight of the oyster shell and/or scallop shell crushed shell material accounts for less than 10% of the total weight of the cement corrugated plate.

Further, in the cement buckled plate, according to the sea area nutritive salt condition and the algae nutritive salt demand of artifical fish shelter input, the selectivity adds nutrient salt compositions such as urea, monopotassium phosphate and/or sodium silicate as nitrogen, phosphorus, potassium or silicon in cement, after artifical fish shelter input, the nutrient salt composition lasts, slowly dissolves and releases in the sea water.

Compared with the prior art, the utility model beneficial effect be:

1. the hexagonal steel structure assembly type artificial fish reef structure component and the functional component of the utility model are both environment-friendly and pollution-free materials, and can not generate negative effects on the seawater quality and the marine ecological environment;

2. the artificial fish reef body with the multiple layers and the multiple holes and assembled by the structural components and the functional components has good water permeability, and the biological attachment area and the space utilization rate of the reef body unit space are improved to the maximum extent. Through calculation, the effective organism attachment area can reach 3-4.5 times of that of the conventional concrete member reef with the same volume through the multi-layer structural design;

3. the structural assembly consists of a plurality of steel structure support units, is easy to process, light in weight and easy to carry and put in; the material has high strength, strong stability, firmness and durability, is not easy to break, resists the scouring and abrasion of waves and flows, and has strong durability; particularly, 10CrMoAl steel is adopted, so that the corrosion resistance is higher, and the service life is long and can reach more than 30 years;

4. the functional components adopt cement corrugated plates, the surfaces of the cement corrugated plates are rough, small eddy currents are easy to form, attachment and growth of macroalgae and various planktonic larvae are facilitated, the attachment area of organisms can be increased by 40-55%, artificial fish reef restoration and sea ecological environment optimization are achieved in a shorter time, and the functions of fishery resources are increased;

5. oyster shell and/or scallop shell crushed shell materials are added into the cement corrugated plate, so that not only is the waste effectively utilized to reduce the environmental pollution, but also the weight of the cement corrugated plate is reduced, and the surface roughness and the environmental protection of the materials are improved; nutrient salt is added, and the reef body can be continuously and slowly dissolved and released in water after being put in, so that the improvement of sea environment and the attached growth of algae are promoted;

6. the structural component of the steel structure and the functional component of the cement corrugated plate are in a unit assembly structure, so that the traditional artificial fish reef is changed from large engineering to equipment, and meanwhile, the structural component of the steel structure and the functional component of the cement corrugated plate greatly reduce the weight of the reef body; the assembly type structure can be assembled on the putting site, so that the cost of putting and transporting the artificial fish reef is effectively reduced, and the putting safety is guaranteed;

to sum up, the utility model discloses select for use environmental protection and low cost's material, prepare into the light structure of the assembly of being convenient for, equip the artifical fish reef, compare in traditional artifical fish reef, the utility model discloses the production and the use of the artifical fish reef of being convenient for of the light, standardized subassembly production of structure and assembly have that stability is strong, long service life, equipment are convenient, transport is put in efficiently, be suitable for advantages such as sea area wide range, space utilization height, fish reef functional strong, can furthest's the function of the artifical fish reef of performance, and economic nature and suitability are strong.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural view of a hexagonal steel structure assembled artificial fish reef in embodiment 1 of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a top view of FIG. 1;

fig. 4 is a schematic structural view of structural components of the hexagonal steel-structured fabricated artificial fish reef of fig. 1;

FIG. 5 is a top view of FIG. 4;

FIG. 6 is a view of the connecting member shown in FIG. 4 with a portion B enlarged;

FIG. 7 is a view of the connecting member shown in FIG. 4 with a portion C enlarged;

FIG. 8 is a view of the connecting member shown in FIG. 4 with a portion D enlarged;

fig. 9 is a schematic structural view of a cement corrugated plate, which is a functional component of the hexagonal steel structure fabricated artificial fish reef of fig. 1;

FIG. 10 is a schematic view of the partial cement corrugated plate and reef support snap-fit connection of FIG. 2A;

FIG. 11 is a schematic view of a bolt assembly connection between a partial cement corrugated plate and a reef support frame in FIG. 2A;

in the figure: 1. outer hexagon horizontal stand, 2, interior hexagon horizontal stand, 3, vertical support frame, 4, the support of permeating water, 5, bottom support board, 6, cement buckled plate, 7, lifting hook, 8, inclined support, 9, cement buckled plate support, 10, support frame fixed bolster, 11, connecting elements, 12, solid fixed splint, 13, draw-in groove, 14, fastener, 15, bolt, 16, screw hole.

Detailed Description

Example 1

As shown in fig. 1 to 3, an artificial fish reef of hexagonal steel construction assembled, including structural component and functional component, can dismantle the assembled connection between structural component and the functional component, wherein:

as shown in fig. 4 and 5, the structural component comprises a reef body support frame, a water permeable support 4 and a bottom support plate 5, the reef body support frame is a three-dimensional frame structure with inner and outer double regular hexagons, the reef body support frame comprises three outer hexagonal horizontal supports 1 and three inner hexagonal horizontal supports 2, and a vertical support frame 3 vertically connected with the outer hexagonal horizontal supports and the inner hexagonal horizontal supports, the outer hexagonal horizontal supports 1 and the inner hexagonal horizontal supports 2 are arranged in parallel, an inclined support 8 is arranged between the outer hexagonal horizontal supports 1 and the inner hexagonal horizontal supports 2, a cement corrugated plate support 9 is arranged between the outer hexagonal horizontal supports 1 and the inner hexagonal horizontal supports 2, and the cement corrugated plate support 9 and the inclined support 8 are in an M-shaped curve in vertical section; and a support frame fixing support 10 is arranged between the parallel vertical support frames 3 vertically connected with the outer hexagonal horizontal support 1 and the inner hexagonal horizontal support 2 to form a three-layer inner and outer double regular hexagonal three-dimensional frame structure. The top of the vertical support frame 3 is provided with a lifting hook 7, so that the fish reef is conveniently thrown and lifted, the bottom of the vertical support frame is provided with a water permeable support 4, the other end of the water permeable support 4 is welded with a bottom support plate 5, and the bottom support plate 5 is in contact with the seabed on the same horizontal plane.

In the embodiment, the vertical support frame 3 and the water permeable support frame 4 are integrally formed, the side length of the outer hexagonal horizontal support frame 1 is 2.7 m, the side length of the inner hexagonal horizontal support frame 2 is 1.532 m, the vertical height of the vertical support frame 3 of the outer hexagonal horizontal support frame 1 is 3.325m, and the length of the water permeable support frame 4 at the bottom is 0.752 m; the vertical height of the vertical support frame 3 of the inner hexagonal horizontal support frame 2 is 2.675m, and the length of the bottom water permeable support frame 4 is 1.4 m.

In the geology of the sea area where silt, etc. siltation is easy, can set up multilayer bottom sprag board 4 on the support 3 that permeates water at the interval, adjacent layer bottom sprag board interval 10 ~ 20 cm. The water permeable supports of the internal and external double-regular-hexagon reef body supports can be different in length, namely the water permeable supports 4 at the bottoms of the external hexagonal horizontal supports 1 and the water permeable supports 4 at the bottoms of the internal hexagonal horizontal supports 2 are different in length, and the bottom support plates 5 respectively mounted on the internal hexagonal horizontal supports are not on the same horizontal plane.

As shown in fig. 6, a cement corrugated plate bracket 9 is detachably assembled and connected between the outer hexagonal horizontal bracket 1 and the inner hexagonal horizontal bracket 2 through a connecting member 11; as shown in fig. 7, the vertical supporting frame 3 and the supporting frame fixing bracket 10 are detachably assembled and connected through a connecting member 11; as shown in fig. 8, the external hexagonal horizontal bracket 1 and the vertical supporting bracket 3 are detachably assembled and connected through the connecting member 11. The reef body support frame and the water permeable support 4 can be assembled by a plurality of steel structure units, threaded holes are formed in two ends of each steel structure unit, the steel structure support units are connected through connecting members 11 through bolts, and the connecting members 11 are provided with threaded holes for mounting the steel structure units.

In the embodiment, the reef body support frame, the water permeable support 4, the bottom support plate 5, the connecting member 11 and the fixed splint 12 are made of 10CrMoAl steel; wherein the outer hexagonal horizontal bracket 1, the inner hexagonal horizontal bracket 2, the inclined bracket 8, the cement corrugated plate bracket 9 and the support bracket fixing bracket 10 of the reef body bracket are made of 10CrMoAl angle steel, and the vertical support bracket 3 and the permeable bracket 4 are made of 10CrMoAl hollow square steel; the 10CrMoAl steel is a special steel resistant to seawater corrosion. Al (aluminum) in the 10CrMoAl material can chemically react with O (oxygen) in the air to generate Al2O3 (aluminum oxide), so that a protective film is formed, and the protective film is corrosion-resistant; cr (chromium) and Mo (molybdenum) ions in 10CrMoAl can automatically supplement Cl (chlorine) ions in seawater to form gaps formed by pitting corrosion of steel, so that a compact protective layer is formed, the pitting corrosion is prevented from developing to the depth, the effects of corrosion resistance and service life prolonging are achieved, and the service life of the steel is nearly one time that of class A steel (Q235 service life is 20 years) and is more than 30 years.

As shown in fig. 9, the functional component comprises a cement corrugated plate 6 with a rough surface, oyster shells and fan shells are mixed in the cement material, the weight of the oyster shell and fan shell crushed shell material accounts for less than 10% of the total weight of the cement corrugated plate, and the oyster shells and the fan shells are crushed shells crushed to 1-5 cm. Simultaneously, in the cement buckled plate, according to artifical fish shelter input sea area nutritive salt condition and algae nutritive salt demand, add urea, monopotassium phosphate and sodium silicate as nitrogen, phosphorus, potassium and silicon nutritive salt composition in cement, the back is put in to the artifical fish shelter of hexagonal steel construction assembled, and the nutritive salt composition lasts, slowly dissolves the release in the sea water step by step.

As shown in fig. 1 to 3, the cement corrugated plates 6 are detachably connected and are assembled between the outer hexagonal horizontal support 1 and the inner hexagonal horizontal support 2 of the reef body support at intervals and supported by the inclined support 8, and the cement corrugated plate support 9 is arranged between the outer hexagonal horizontal support 1 and the inner hexagonal horizontal support 2 to form the hexagonal steel structure assembled artificial reef with three layers and multiple holes.

As shown in fig. 10, the demountable assembly between cement buckled plate 6 and reef body support is connected, adopt the block to connect, outer hexagon horizontal support 1 and interior hexagon horizontal support 2, set up draw-in groove 13 on slope support 8 and the cement buckled plate support 9, 6 end installation L shape of cement buckled plate fixes splint 12, be provided with on the fixed splint 12 with draw-in groove complex fastener 14, thereby assemble 6 blocks of cement buckled plate on outer hexagon horizontal support 1, the same block of cement buckled plate 6 assembles including hexagon horizontal support 2, on slope support 8 and the cement buckled plate support 9. The included angle between the cement corrugated plate 6 assembled between the outer hexagonal horizontal bracket 1 and the inner hexagonal horizontal bracket 2 and the horizontal plane is 20 degrees.

As shown in figure 11, the detachable assembly connection between the cement corrugated plate 6 and the reef support can also adopt bolt assembly connection, the outer hexagonal horizontal support 1 and the inner hexagonal horizontal support 2, the inclined support 8 and the cement corrugated plate support 9 are provided with threaded holes 16, the end part of the cement corrugated plate 6 is provided with an L-shaped fixed splint 12, the fixed splint 12 is provided with threaded holes, and the cement corrugated plate 6 is assembled on the outer hexagonal horizontal support 1, the inner hexagonal horizontal support 2, the inclined support 8 and the cement corrugated plate support 9 through bolts 15.

For the ecological environment of the sea area, the improvement of the primary productivity of the sea area, the attachment density and the breeding speed of the food organisms are basic factors for determining the construction effect of the marine ranch. The growth condition is fixed under the conditions of latitude, position, temperature, water quality, nutrient salt and the like, and the light condition is a main factor influencing the growth. Therefore, under the condition of ensuring the navigation safety of the functional ship, the height of the reef body is increased as much as possible, and the sufficient illumination condition is ensured. The traditional concrete member reef is heavy and limited by conditions such as manufacturing, transportation, putting and the like, and the size of the single fish reef is not more than 2 meters; and the utility model discloses artifical fish shelter material of hexagon steel construction assembled is lighter, adopts modularization, standardized preparation, and the transportation is convenient, and the field assembly when puting in, preparation, transportation, puting in are easy, and the limited degree of size can exceed 5 meters for a short time, and application scope is wide. According to calculating and verifying with the field investigation, the input that the reef was found to the concrete requires the bottom bearing capacity not to be less than 40KPa, otherwise can appear the siltation condition, and the utility model discloses artifical fish reef of hexagon steel construction assembled is applicable to the sea area that the bottom bearing capacity is greater than 18 KPa. And the design of the multilayer and porous holes inside the reef body of the utility model ensures that the biological attachment area and the space utilization ratio of the reef body unit space are improved to the maximum extent. Through calculation, the multilayer structural design can make the effective organism attached area reach 3 ~ 4.5 times of traditional concrete member reef of the same volume, and the cement buckled plate adopts the ripple design, can make the organism attached area improve 40 ~ 55% again. Therefore, under the condition that the overall putting amount of the artificial fish reef is not changed, the hexagonal steel structure assembled artificial fish reef of the utility model is put in, the gathering amount of macroalgae and bait organisms is far larger than that of the traditional concrete member reef; meanwhile, due to the design of the multiple layers and the multiple holes, space places for inhabiting, baiting and avoiding stormy waves and enemies can be provided for more benthic organisms such as reef-loving fishes, sea cucumbers, sea urchins, crabs and shellfishes.

The hexagonal steel structure assembly type artificial fish reef structure component and the functional component of the utility model are both environment-friendly and pollution-free materials, and can not generate negative effects on the seawater quality and the marine ecological environment; adopt assembled structural design, can carry out the design of pertinence to artifical fish reef according to customer sea area natural environment factor and fish reef functional demand, the product accords with the degree height. Even under the premise of not influencing the function of the fish reef, the appearance of the reef body can be specially designed (such as the shapes of human bodies, animals, buildings and the like). The utility model discloses select for use environmental protection and low cost's material, prepare into the light structure of the assembly of being convenient for, equip the artifical fish reef, compare in traditional artifical fish reef, the utility model discloses the structure is light, be convenient for transport and put in, and the production and the use of the artifical fish reef of being convenient for, economic nature and suitability are strong.

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 (9)

1. The utility model provides an artifical fish reef of hexagon steel construction assembled, its characterized in that, includes structural component and functional component, can dismantle the assembled connection between structural component and the functional component, wherein:

the structural component comprises a reef body support frame, a water permeable support and a bottom support plate, wherein the reef body support frame, the water permeable support and the bottom support plate are made of seawater corrosion resistant steel; the reef body support frame is of an internal and external double regular hexagon three-dimensional frame structure and comprises a plurality of external hexagon horizontal supports, internal hexagon horizontal supports and vertical support frames vertically connected with the external hexagon horizontal supports and the internal hexagon horizontal supports; the outer hexagonal horizontal bracket and the inner hexagonal horizontal bracket are arranged in parallel, and an inclined bracket is arranged between the outer hexagonal horizontal bracket and the inner hexagonal horizontal bracket; the top of the reef body support frame is provided with a lifting hook, so that the artificial fish reef is convenient to put in and lift; a water permeable support is arranged at the bottom of the vertical support frame, a bottom support plate is welded at the other end of the water permeable support, and the bottom support plate is in contact with the seabed;

the functional components comprise cement corrugated plates with rough surfaces, the cement corrugated plates are detachably assembled and connected with the reef body support frames, the cement corrugated plates are assembled between the reef body support frames at intervals to form the artificial fish reef with multiple layers and multiple holes, and the included angle between the cement corrugated plates assembled between the inner and outer double-regular-hexagon reef body support frames and the horizontal plane is 20-45 degrees.

2. The hexagonal steel structure assembly type artificial fish reef of claim 1, wherein the reef body support comprises an outer hexagonal horizontal support and an inner hexagonal horizontal support, a cement corrugated plate support is arranged between the outer hexagonal horizontal support and the inner hexagonal horizontal support through a connecting member, and the cement corrugated plate support and the inclined support form an M-shaped curve in a vertical section.

3. The hexagonal steel structure assembly type artificial fish reef according to claim 1 or 2, wherein the reef body support frame and the water permeable support are formed by welding or assembling a plurality of steel structure units, the plurality of steel structure units are assembled, threaded holes are formed in two ends of each steel structure support unit, the steel structure support units are connected through connecting member bolts, and the connecting member is provided with threaded holes for mounting the steel structure support units.

4. The assembled artificial fish reef with the hexagonal steel structure as claimed in claim 1, wherein the suitable length of the water permeable support is 30-140 cm, the lengths of the water permeable supports of the inner and outer double-regular-hexagon reef supports are different, and the bottom support plates welded at the other ends are not on the same horizontal plane.

5. The hexagonal steel structure assembly type artificial fish reef according to claim 1 or 4, wherein a plurality of layers of bottom support plates are arranged on the water permeable support at intervals, and the distance between the bottom support plates of adjacent layers is 10-20 cm.

6. The hexagonal steel structure fabricated artificial fish reef of claim 1, wherein a support frame fixing bracket is installed between the vertical support frames.

7. The assembly type artificial fish reef with the hexagonal steel structure according to claim 1, wherein the detachable assembly type connection between the cement corrugated plate and the reef body support frame is a clamping assembly connection or a bolt assembly connection, an L-shaped fixed clamping plate is arranged between the cement corrugated plate and the reef body support frame, and the fixed clamping plate is arranged at the end part of the cement corrugated plate; the clamping assembly is connected, a clamping groove is formed in the reef body supporting frame, a clamping piece matched with the clamping groove is arranged on the fixed clamping plate, and the cement corrugated plate is clamped and assembled on the reef body supporting frame; the bolt is in assembly connection, a threaded hole is formed in the reef body supporting frame, an L-shaped fixing clamping plate is arranged between the cement corrugated plate and the reef body supporting frame, a threaded hole is formed in the fixing clamping plate, and the cement corrugated plate is assembled on the reef body supporting frame through a bolt.

8. The hexagonal steel-structured fabricated artificial fish reef of claim 7, wherein the reef body support frame, the water permeable support frame, the bottom support plate, the support frame fixing support, the connecting members and the fixing clamps are made of 10CrMoAl steel.

9. The hexagonal steel structure assembly type artificial fish reef of claim 1 or 8, wherein the reef body support frame and the water permeable support frame are made of angle steel and/or square steel.

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