A multifunctional fish habitat device for riverbank protection

Abstract

The application discloses a multifunctional fish habitat device for river bank protection and relates to the technical field of habitat modules. The device comprises a support base, a plurality of support columns arranged on the top of the support base, and a planting sleeve arranged on the top of the support base and sleeved on the outer circumferential side of the support columns. A planting cavity is formed between the inner circumferential side wall of the planting sleeve and the outer circumferential side wall of the support columns. A plurality of planting holes are formed in the outer wall of the planting sleeve for plants to grow out. The support columns protrude from the planting sleeve, and the bottom of the support base is provided with an insertion groove for the insertion of the support columns. The application can improve the effect of ecological management of the fish habitat module.

Description

Technical Field

[0001] This application relates to the technical field of habitat devices, and in particular to a multifunctional fish habitat device for riverbank protection. Background Technology

[0002] In the field of river management engineering, fish release is a common and important measure. With increasing emphasis on river ecosystem restoration, ensuring the survival rate of released fish has become a key objective, prompting the emergence of a series of technologies to assist in the construction of fish habitats. These technologies are of great significance for maintaining river ecological balance, promoting biodiversity, and driving the sustainable development of river ecosystems. They not only provide suitable living spaces for fish but also help improve water quality and regulate water flow, playing an indispensable role in the entire river ecosystem.

[0003] To address the issue of constructing fish habitats, existing technologies primarily employ two common approaches. One involves using prefabricated, self-embedding modular revetment modules. These modules are hollow internally, with entrances and exits on the water-facing side and an open top. Above the normal water level, the holes in the modules are filled with soil and rocks for vegetation planting; below the normal water level, they remain empty, serving as fish nesting spaces. The other approach uses artificial reefs, which are concrete blocks that mimic the shape of rocks, are hollow internally, and have open surfaces. By placing a certain number of artificial reefs in the river channel, sheltered spaces are provided for fish, thus meeting their habitat requirements.

[0004] However, these existing technologies have significant drawbacks. Because the revetment modules are filled with soil and rocks on top and have a hollow bottom, the revetment structure is top-heavy, posing potential risks to slope stability and flood control. In actual construction, the holes in the modules below the normal water level are often filled with sand and gravel, thus eliminating their function as fish habitats. Artificial reefs placed in the river channel require a large quantity to meet the demand, occupying a certain section of the river channel and affecting flood control safety. Furthermore, as obstacles, they can exacerbate river siltation, easily block holes, destroy fish habitats, and further increase the impact on flood control. Moreover, existing concrete revetment modules and artificial reef technologies lack consideration for supporting aquatic plant measures in terms of ecological management. Summary of the Invention

[0005] In order to improve the effectiveness of fish habitat modules in ecological governance, this application provides a multifunctional fish habitat device for riverbank protection.

[0006] This application provides a multifunctional fish habitat device for riverbank protection, employing the following technical solution:

[0007] A multifunctional fish habitat device for riverbank protection includes a support base with a substrate groove at the top.

[0008] Multiple support columns are respectively disposed on the top of the support base;

[0009] A planting sleeve is set on the top of the support base and sleeved on the outer periphery of the support column. A planting cavity is formed between the inner periphery of the planting sleeve and the outer periphery of the support column. Multiple planting holes are opened on the outer wall of the planting sleeve for green plants to pass through.

[0010] The support column protrudes from the planting sleeve, and the bottom of the support base has an insertion groove for the support column to be inserted.

[0011] By adopting the above technical solution, the substrate trough at the top of the support base can hold substrate for the growth of aquatic vegetation, and the substrate trough can be used to plant various types of aquatic plants; multiple support columns are set on the top of the support base to provide support when habitat devices overlap; planting sleeves are fitted around the outer periphery of the support columns, and the planting cavity between the planting sleeves and the support columns can be used to plant green plants, with planting holes for the green plants to pass through, which is conducive to the growth of aquatic plants. Moreover, the soil microorganisms in the planting tubes can work together with the substrate in the substrate trough to absorb nutrients in the water, reduce the occurrence of eutrophication, maintain the cleanliness and ecological balance of various water bodies in cities and rural areas, and improve the quality of life of urban and rural residents; the support columns convex The planting sleeve has a slot at the bottom of the support base into which the support column can be inserted, facilitating the stacking and assembly of modules. The whole structure can create a multifunctional fish habitat, reducing the problems of top-heavy bank structures, flood control, and river siltation that exist in existing technologies. It can also serve as the outermost structure of ecological bank protection for the renovation of existing bank protection or the construction of new ecological bank protection, with the advantages of ensuring the stability of the main bank protection structure and the cross-section of the river channel. At the same time, it takes into account the supporting aquatic plant measures, and can be used in ecological restoration projects of rivers, lakes, reservoirs and other water bodies. By planting emergent, submerged and floating aquatic plants, a fully functional fish habitat can be constructed, improving biodiversity and promoting the restoration and maintenance of aquatic ecosystems.

[0012] Optionally, the habitat module also includes a base, with the support seat located at the bottom positioned on top of the base.

[0013] By adopting the above technical solution, the support base is set on top of the base, and the base can support the support base located at the bottom, which improves the stability of the entire multifunctional fish habitat device used for riverbank protection when it is placed, reduces the possibility of the module tipping over, and ensures the long-term effective use of the module as a fish habitat.

[0014] Optionally, a snap-fit ​​block is provided on one side wall of the support base, and a snap-fit ​​groove is provided on the other side wall of the support base. When adjacent support bases abut against each other, the snap-fit ​​block snaps into the snap-fit ​​groove.

[0015] By adopting the above technical solution, the support base is equipped with a snap-fit ​​block and a snap-fit ​​groove. When adjacent support bases come into contact, the snap-fit ​​block snaps into the snap-fit ​​groove, which can stably connect multiple support bases together and enhance the overall structural stability of the multifunctional fish habitat device used for riverbank protection.

[0016] Optionally, the planting sleeve is snap-fitted to the support base.

[0017] By adopting the above technical solutions, the connection between the planting sleeve and the support base becomes more convenient and flexible, facilitating the assembly and disassembly of the module, improving construction efficiency and the convenience of later maintenance.

[0018] Optionally, the support includes a base, a slide rail, and a slide block;

[0019] The slide rails are arranged in a cross pattern on the top of the base, and the intersection point between the slide rails is located at the middle position of the top of the base;

[0020] The slide block has a groove for the slide rail to slide in, and the support base and the planting sleeve are disposed on the slide block;

[0021] The slide block is equipped with a control component, which controls the slide block to enter a fixed or sliding state.

[0022] By adopting the above technical solution, the support base includes a base, a slide rail, and a slide seat. The slide rails are arranged in a cross pattern with the intersection point located at the top center of the base. The slide seat has a groove for the slide rails to slide. The support base and the planting sleeve are set on the slide seat, allowing the slide seat to slide on the slide rails, which facilitates the adjustment of the position of the support base and the planting sleeve. The control component can control the slide seat to enter a fixed or sliding state, which is convenient for flexibly fixing or moving the slide seat according to actual needs, so as to adapt to different fish habitat construction scenarios and improve the flexibility and adaptability of the multifunctional fish habitat device used for riverbank protection.

[0023] Optionally, the control component includes a control column, a control sleeve, and a control block;

[0024] The control blocks are multiple and evenly spaced on the top of the slide rail. The insertion slots are located at the bottom of the base and correspond one-to-one with the control blocks. The slide block has a sliding groove for the control blocks to slide.

[0025] The control column is slidably connected to the support column along the axial direction and is coaxially arranged, while the support column is rotatably connected to the base;

[0026] The control sleeve is disposed on the side of the control column near the slide groove, the slide block has a threaded hole communicating with the slide groove, and the outer peripheral side wall of the control sleeve is threaded to the wall of the threaded hole;

[0027] When the control block is aligned with the control sleeve and the control sleeve protrudes into the sliding groove, the control block is inserted into the control sleeve.

[0028] By adopting the above technical solution, the control column can slide axially within the support column, and the control sleeve is threadedly connected to the threaded hole of the slide block. Rotating the support column allows the control sleeve to move along the threaded hole. When the control block is aligned with the control sleeve and the control sleeve protrudes into the sliding groove, the control block is inserted into the control sleeve, which can realize the fixed or sliding state of the control slide block on the slide rail. This allows for flexible adjustment of the position of the support base and the planting sleeve. At the same time, the control block and the insertion groove correspond one-to-one, which helps to ensure the accuracy and stability of the structure installation.

[0029] Optionally, a baffle is provided on the side wall of the base facing the adjacent base, the baffles of the adjacent bases are staggered, and the opposing sides of the adjacent baffles are on the same end face.

[0030] By adopting the above technical solution, the staggered baffles can block and guide the water flow to a certain extent, change the direction and speed of the water flow, reduce the direct impact of the water flow on the module, provide fish with a more concealed and diverse habitat and activity space, and reduce the amount of debris directly accumulating around the module to a certain extent.

[0031] Optionally, the base is provided with a surrounding plate, which is connected to the end of the adjacent slide rail.

[0032] By adopting the above technical solution, the enclosure plate connects the ends of adjacent slide rails, which can protect the slide rails and slide seats, reduce the impact of external factors, and further enhance the overall structural stability of the multifunctional fish habitat device used for riverbank protection.

[0033] In summary, this application includes at least one of the following beneficial effects:

[0034] 1. The insertion groove at the bottom of the support base can be matched with the support column to reduce the possibility of the revetment structure being top-heavy, thus ensuring the stability of the bank slope and flood control safety;

[0035] 2. The planting cavity and planting hole inside the planting sleeve can be used to plant green plants, and the supporting aquatic plant measures are taken into consideration, which is conducive to ecological management. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the overall structure of Embodiment 1 of this application;

[0037] Figure 2 This is a schematic diagram of the internal structure of Embodiment 1 of this application;

[0038] Figure 3 This is a schematic diagram of the state of the module when it is placed on the inclined revetment in Embodiment 2 of this application;

[0039] Figure 4 This is a schematic diagram of the state when the module is placed on a right-angle revetment in Embodiment 2 of this application;

[0040] Figure 5 This is a schematic diagram of the state when the module is placed on the stepped revetment in Embodiment 2 of this application;

[0041] Figure 6 This is a top view schematic diagram of Embodiment 3 of this application;

[0042] Figure 7 This is a schematic diagram of the connection structure between the slide block and the slide rail in Embodiment 3 of this application;

[0043] Figure 8 yes Figure 7 Enlarged schematic diagram of part A.

[0044] Reference numerals: 1. Support base; 11. Substrate groove; 12. Insertion groove; 13. Snap-fit ​​block; 14. Snap-fit ​​groove; 15. Base; 16. Slide rail; 17. Slide seat; 171. Slide groove; 172. Threaded hole; 173. Sliding groove; 2. Support column; 3. Planting sleeve; 31. Planting cavity; 32. Planting hole; 4. Base; 5. Control assembly; 51. Control column; 52. Control sleeve; 53. Control block; 6. Baffle; 7. Enclosure. Detailed Implementation

[0045] The following is in conjunction with the appendix Figure 1-8 This application will be described in further detail.

[0046] This application discloses a multifunctional fish habitat device for riverbank protection.

[0047] This application mainly adopts a multifunctional fish habitat device to realize the functions of planting green plants and providing fish nests. It achieves the goal of providing a habitat for fish and planting aquatic plants, while reducing the possibility of the drawbacks of the prior art. The following is a further detailed description of this application.

[0048] Example 1

[0049] See Figure 1 The multifunctional fish habitat device for riverbank protection provided in this application includes a support base 1, a support column 2, and a planting sleeve 3. The support column 2 is located on top of the support base 1, and the planting sleeve 3 is fitted onto the outer periphery of the support column 2. A planting cavity 31 is formed between the inner periphery of the planting sleeve 3 and the outer periphery of the support column 2, achieving the effect of providing planting space for aquatic plants, creating a fish nest space between the planting sleeves 3, and providing a habitat for fish.

[0050] Specifically, a substrate trough 11 is provided at the top center of the support base 1. The support base 1 can be made of concrete and can be square in shape, which makes it more regular when placed in the river channel. The substrate trough 11 is used to place substrates such as soil and stones for planting. Of course, the support base 1 can also be made of materials such as plastic, as long as it meets the requirements of strength and stability.

[0051] See Figure 1 and Figure 2 A snap-fit ​​block 13 is fixedly connected to one side wall of the support base 1, and a snap-fit ​​groove 14 is formed on the opposite side wall of the support base 1. When the habitat device is laid along the riverbank extension direction, adjacent support bases 1 abut against each other. At this time, the snap-fit ​​block 13 snaps into the snap-fit ​​groove 14, so that adjacent modules are connected and the stability of the module is improved. The snap-fit ​​block 13 and the snap-fit ​​groove 14 can adopt a trapezoidal structure, so as to have a certain guiding effect during connection and facilitate snap-fit. The material of the snap-fit ​​block 13 and the snap-fit ​​groove 14 can be the same as that of the support base 1, such as concrete or plastic. Through the cooperation of the snap-fit ​​block 13 and the snap-fit ​​groove 14, multiple support bases 1 can be tightly connected together to form a larger area of ​​fish habitat module combination. This snap-fit ​​structure makes the connection between multiple support bases 1 more secure and less likely to separate under the impact of water flow. Multiple modules can be flexibly combined according to the actual situation of the river channel to expand the range of fish habitat, improve the practicality and adaptability of the module, and is more convenient and efficient to use than a single module. It is an innovation and improvement on the existing technology in terms of module combination and connection method.

[0052] Multiple support columns 2 are fixedly connected to the top of the support base 1. The support columns 2 are evenly spaced along a square or circular trajectory. In this embodiment, there are four support columns 2 distributed along a square trajectory. The support columns 2 are cylindrical structures made of reinforced concrete to ensure their strength. The support columns 2 protrude beyond the planting sleeve 3, and the bottom of the support base 1 has an insertion groove 12. When multiple modules are stacked, the support columns 2 protruding from the planting sleeve 3 on the lower module support base 1 can be inserted into the insertion groove 12 of the upper module support base 1, enhancing the connection stability between modules. At the same time, the connection between the upper and lower modules forms a top-down overall frame structure, which can operate independently of the revetment structure and does not require filling with stones or soil for stabilization or planting, reducing the possibility of fish nest space failure and the possibility of top-heavy structures endangering the overall safety of the revetment. Furthermore, the open overall frame structure does not affect the water flow cross-section of the river channel.

[0053] The support column 2 can also be a square column or other shapes, and can be made of materials such as stainless steel. The support column 2 and the support base 1 are integrally formed, or the support column 2 and the support base 1 are fixedly connected by snap-fit. For example, a slot can be set at the top of the support base 1 and a block can be set at the bottom of the support column 2. The snap-fit ​​is achieved by the cooperation of the block and the slot. This connection method is convenient for installation and disassembly.

[0054] The planting sleeve 3 is snapped and fixed to the top of the support base 1 and sleeved on the outer periphery of the support column 2. A planting cavity 31 is formed between the inner periphery of the planting sleeve 3 and the outer periphery of the support column 2. Multiple planting holes 32 are provided on the outer wall of the planting sleeve 3 for the aquatic plants to pass through. The planting sleeve 3 can be made of PVC or stainless steel, providing a certain degree of corrosion resistance. The planting holes 32 can be round, square, or other shapes, facilitating the aquatic plants to pass through and grow in the water. The function of the planting sleeve 3 is to provide a relatively independent growth space for the aquatic plants, while also forming a modular structure together with the support column 2 and the support base 1.

[0055] The implementation principle of a multifunctional fish habitat device for riverbank protection according to Embodiment 1 of this application is as follows:

[0056] This multifunctional fish habitat device for riverbank protection provides excellent growing conditions for aquatic plants through planting chambers 31 and planting holes 32. The aquatic plants can grow within the module, playing an ecological role such as purifying water. Simultaneously, the overall structure of the module creates a space in the water suitable for fish habitats, solving problems associated with existing bank protection modules and artificial reefs, such as the stability of bank protection modules and the impact of artificial reefs on flood control and riverbed siltation. Furthermore, the module's structural design facilitates installation and stacking, improving construction efficiency and flexibility, and significantly improving and contributing to the construction of fish habitats in existing river management technologies. The modular design ensures ample growing space for aquatic plants at different depths, allowing for the selection of suitable aquatic plants based on the actual conditions and construction goals of the project site. The aquatic plants cover the entire fish nest structure, forming a natural and ecological fish habitat space.

[0057] Example 2

[0058] See Figure 3 The difference between this embodiment and the previous embodiment is that the habitat module also includes a base 4, with the lowermost support 1 resting against the top of the base 4. The base 4 can be made of a large-sized concrete block, and its shape is made according to the inclination angle of the riverbed and the revetment. The base 4 is placed on the bottom of the river channel, providing more stable support for the entire module structure. The function of the base 4 is to provide a support platform for the entire module, allowing the module to fit snugly against the revetment and improving the stability of the module in the water flow.

[0059] See Figure 4 and Figure 5 When the angle between the revetment and the riverbed is obtuse, the base 4 is made into a platform with a right-angled triangular end face. In this case, the inclined surface of the base 4 abuts against the riverbed, and the module abuts against one of the right-angled surfaces of the base 4, so that the module remains in contact with the revetment. When the angle between the revetment and the riverbed is right-angled, or when the revetment has a stepped structure, the base 4 can be made into a cuboid structure, and then the module is placed on top of the base 4, which supports the module. Of course, in other embodiments, when the angle between the revetment and the riverbed is right-angled, or when the revetment has a stepped structure, the module can also be placed directly on the horizontal platform of the riverbed and the revetment.

[0060] The implementation principle of a multifunctional fish habitat device for riverbank protection according to Embodiment 2 of this application is as follows:

[0061] With the addition of base 4, the overall stability of the module is further improved, enabling it to better adapt to different river environments and flow conditions. Base 4 can bear the weight of the module, reducing the risk of subsidence or tilting, and ensuring the normal functioning of aquatic plant and fish habitats. Compared with existing technologies, it represents a significant improvement in structural stability and is more conducive to long-term use and maintenance of the river's ecological environment.

[0062] Example 3

[0063] See Figure 6 and Figure 7 The difference between this embodiment and the above embodiments is that: the support base 1 includes a base 15, a slide rail 16, and a slide block 17; the slide rails 16 are cross-fixed to the top of the base 15, and the intersection point between the slide rails 16 is located at the middle position of the top of the base 15. In this embodiment, the extension trajectory of the slide rails 16 coincides with the diagonal line of the top of the base 15; the slide block 17 forms a groove 171 for the slide rails 16 to slide, and the support base 1 and the implantation sleeve 3 are disposed on the slide block 17; the slide block 17 is provided with a control component 5 (the control component 5 is located in...). Figure 8 (The selected item is marked), control component 5 controls slide 17 to enter a fixed or sliding state.

[0064] See Figure 6 and Figure 8 The end section of slide rail 16 has a "T" shape, and slide rail 16 is made of the same material as base 15. The cross arrangement of slide rails 16 allows slide block 17 to slide in different directions. The sliding groove 171 of slide block 17 is adapted to slide rail 16, ensuring that slide block 17 can slide smoothly on slide rail 16. In use, the slider slides on slide rail 16, increasing the adjustment flexibility of the module. This is beneficial for adjusting the position of the slider according to the different types of fish being released, so that the fish nest space formed between the planting sleeves 3 is more adapted to the size of the fish.

[0065] The control assembly 5 includes a control column 51, a control sleeve 52, and a control block 53. Multiple control blocks 53 are evenly spaced and fixed to the top of the slide rail 16. Insertion slots 12 are located at the bottom of the base 15 and correspond one-to-one with each control block 53. A sliding groove 173 is provided at the bottom of the slide block 17, within which the control blocks 53 slide. The control column 51 is a square column structure and is axially slidably connected to the support column 2 and coaxially arranged. The support column 2 is rotatably connected to the base 15 via a rotary seal. The control sleeve 52 is fixed to the side of the control column 51 near the sliding groove 171. The slide block 17 has a threaded hole 172 communicating with the sliding groove 173, and the outer peripheral wall of the control sleeve 52 is threaded to the wall of the threaded hole 172. When the control block 53 is aligned with the control sleeve 52 and the control sleeve 52 protrudes into the sliding groove 173, the control block 53 is inserted into the control sleeve 52, thus fixing the slider.

[0066] The control column 51 can be operated manually. When it is necessary to fix the slide block 17, rotate the control column 51 to move the control sleeve 52 in the threaded hole 172 and protrude into the slide groove 171. The control block 53 is inserted into the control sleeve 52, thereby fixing the slide block 17 on the slide rail 16. When it is necessary to adjust the position of the slide block 17, rotate the control column 51 in the opposite direction to make the control sleeve 52 exit the slide groove 171, and the slide block 17 can slide on the slide rail 16.

[0067] A baffle 6 is fixedly connected to the side wall of the base 15 facing the adjacent base 15. The opposing baffles 6 of the adjacent bases 15 are staggered, and the opposing sides of the adjacent baffles 6 are on the same end face. When the adjacent sliders are on the same straight line, the adjacent vertical edges of one side of the connected baffles 6 abut against each other. The baffle 6 can be made of plastic or stainless steel. The function of the baffle 6 is to form a substrate trough 11 for containing substrate by cooperating with the slide rail 16, which facilitates the growth of aquatic plants and can also guide the water flow around the module to form a water flow environment that is conducive to the habitat of fish.

[0068] A surrounding plate 7 is fixedly connected to the base 15, and both ends of the surrounding plate 7 are fixedly connected to the ends of the adjacent slide rails 16. The surrounding plate 7 can prevent the slide block 17 from sliding off the ends of the slide rails 16, and at the same time, it can also provide a certain degree of protection for the internal structure of the module.

[0069] The implementation principle of a multifunctional fish habitat device for riverbank protection according to Embodiment 3 of this application is as follows:

[0070] By incorporating a sliding base 17 and control components 5, the layout and structure of the module can be flexibly adjusted according to the actual water flow conditions and fish habitat requirements of the river. The baffle 6 and enclosure 7 further optimize the module's performance and stability, and improve its adaptability to different river environments. Compared with existing technologies, this represents a significant improvement and innovation in the module's adjustability and functionality.

[0071] The above are all preferred embodiments of this application, and are not intended to limit the scope of protection of this application. Therefore, all equivalent changes made in accordance with the structure, shape and principle of this application should be covered within the scope of protection of this application.

Claims

1. A multifunctional fish habitat device for river bank protection, characterized in that: Including support seat (1), the support seat (1) top is provided with matrix groove (11); Support column (2), there are multiple and are respectively arranged in the support seat (1) top; Planting sleeve (3) is arranged in the support seat (1) top and is sleeved on the support column (2) outer peripheral side, the planting cavity (31) is formed between the planting sleeve (3) inner peripheral side wall and the support column (2) outer peripheral side wall, the planting sleeve (3) outer wall is provided with multiple planting holes (32) for green plants to wear out, provides good planting condition for aquatic plants, aquatic plants can grow in module, plays ecological role of purifying water quality;Meanwhile, the overall structure of module forms the space that fish can inhabit in water; The support column (2) protrudes the planting sleeve (3), and the support seat (1) bottom is provided with the insertion slot (12) for the support column (2) insertion; The support seat (1) includes base (15), slide rail (16) and slide seat (17); The slide rail (16) is arranged in the intersection of the base (15) top, and the intersection point between the slide rail (16) is located in the middle position of the base (15) top; The slide seat (17) is formed with the sliding slot (171) for the slide rail (16) sliding, and the support seat (1) and the planting sleeve (3) are arranged on the slide seat (17); The slide seat (17) is provided with control assembly (5), and the control assembly (5) controls the slide seat (17) to enter fixed or sliding state.

2. The multifunctional fish habitat device for river revetment according to claim 1, characterized in that: The habitat module further comprises a base (4), and the lowermost support seat (1) is arranged on the top of the base (4). 3.The multi-functional fish habitat device for river bank protection according to claim 1, wherein: One side wall of the support seat (1) is provided with a clamping block (13), and the other side wall of the support seat (1) is provided with a clamping groove (14). When the adjacent support seats (1) abut against each other, the clamping block (13) is clamped into the clamping groove (14).

4. The multifunctional fish habitat device for river revetment according to claim 1, characterized in that: The planting sleeve (3) is connected to the support seat (1) by clamping.

5. The multifunctional fish habitat device for river revetment according to claim 1, characterized in that: The control assembly (5) comprises a control column (51), a control sleeve (52) and a control block (53). The control block (53) is uniformly spaced and arranged on the top of the slide rail (16), and the insertion slot (12) is located at the bottom of the base (15) and corresponds to the control block (53) one by one. The slide seat (17) is provided with a sliding slot (173) for the control block (53) to slide. The control column (51) is coaxially arranged and axially connected in the support column (2), and the support column (2) is rotatably connected to the base (15). The control sleeve (52) is arranged on the side of the control column (51) close to the sliding slot (171), and the slide seat (17) is provided with a threaded hole (172) in communication with the sliding slot (173). The outer peripheral side wall of the control sleeve (52) is threadedly connected to the hole wall of the threaded hole (172). When the control block (53) is aligned with the control sleeve (52) and the control sleeve (52) protrudes into the sliding slot (173), the control block (53) is inserted into the control sleeve (52).

6. The multifunctional fish habitat device for river revetment according to claim 5, characterized in that: The side wall of the base (15) is provided with a baffle (6) facing the side wall of the adjacent base (15), the baffles (6) of the adjacent bases (15) are arranged in staggered manner, and the facing sides of the adjacent baffles (6) are on the same end face.

7. The multifunctional fish habitat device for river revetment according to claim 6, characterized in that: The base (15) is provided with a coaming (7) connecting the end portions of the adjacent slide rails (16).

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