CN211283878U - Automatic ecological chinampa of aquatic plant goes up and down - Google Patents
Automatic ecological chinampa of aquatic plant goes up and down Download PDFInfo
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- CN211283878U CN211283878U CN201921619105.XU CN201921619105U CN211283878U CN 211283878 U CN211283878 U CN 211283878U CN 201921619105 U CN201921619105 U CN 201921619105U CN 211283878 U CN211283878 U CN 211283878U
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Abstract
The utility model relates to an ecological engineering technical field especially relates to an automatic ecological chinampa of aquatic plant goes up and down. This chinampa includes a plurality of interconnect's floating bed, plants the aquatic plant on floating bed to and with floating bed fixed connection's automatic lifting device, automatic lifting device comprises screed-coat, prefabricated anchor slab and the lifter that supreme setting down from down, and the lifter is cup jointed by the different stock of a plurality of diameters and is constituteed. The utility model paves the leveling layer on the original riverbed to level the local riverbed, so that the prefabricated anchor plate on the leveling layer is in a horizontal state; prefabricated anchor slab and the perpendicular fixed connection of lifter one end have avoided the lifter can not directly squeeze into the condition of stereoplasm riverbed, are mostly the soft riverbed of silt to the river bed, have also avoided the not good phenomenon of lifter fixed effect, have enlarged the utility model discloses the range of application of chinampa, and do not destroy original riverbed, river bank structure in the work progress, the construction is simple and convenient, and construction speed is fast.
Description
Technical Field
The utility model relates to an ecological engineering technical field especially relates to an automatic ecological chinampa of aquatic plant goes up and down.
Background
The ecological floating island is an artificial floating island which can degrade the content of nitrogen and phosphorus in water by using the ecological engineering principle aiming at eutrophic water quality, and higher aquatic plants or domesticated terrestrial plants are planted on the water floating island by using a floating body capable of floating on the water surface, so that the plants grow on the floating island to build a water plant landscape, and nitrogen, organic phosphorus and pollutants in an oxygen-enriched water body are reduced through the absorption and adsorption action of roots and the species restriction mechanism, thereby achieving the effect of ecologically purifying the water quality, and simultaneously having the comprehensive functions of creating the living space of organisms, improving the landscape, eliminating waves and the like.
The floating island plant is an important component of an ecological floating island, is not only a bearer of the ecological function of the floating island, but also a presenter of the landscape effect of the floating island, but the plant preparation of the existing floating island is difficult to take both landscape and ecological functions into consideration. On the other hand, the traditional fixing mode of the ecological floating island is mainly characterized in that ropes are matched with gabions or anchor hooks to fix the ecological floating island after sinking, and the mode is not favorable for fixing the floating island.
SUMMERY OF THE UTILITY MODEL
To the above technical problem, the utility model provides an automatic ecological chinampa of aquatic plant goes up and down has the effect of water purification and landscaping concurrently, and is good to the fixed effect of chinampa simultaneously.
The utility model adopts the following technical scheme:
the utility model provides an automatic ecological chinampa of aquatic plant goes up and down, chinampa include a plurality of interconnect's floating bed, plant the aquatic plant on floating bed to and with floating bed fixed connection's automatic lifting device, wherein: the automatic lifting device comprises a leveling layer, a prefabricated anchor plate and a lifting rod, wherein the leveling layer, the prefabricated anchor plate and the lifting rod are arranged from bottom to top, the lifting rod is formed by sleeving a plurality of anchor rods with different diameters, the upper end of the lifting rod is fixedly connected with the floating bed, and the lower end of the lifting rod is fixedly connected with the prefabricated anchor plate.
Furthermore, the leveling layer is a granite gravel cushion layer and is laid on the riverbed, and the prefabricated anchor plate is a prefabricated concrete heavy object arranged on the leveling layer.
Further, the lifter includes first stock and cup joints in the outside second stock of first stock, and the length of first stock is greater than the length of second stock, the lower extreme and the prefabricated anchor slab fixed connection of first stock, the upper end and the chinampa fixed connection of second stock.
Further, the length of the first anchor rod and the second anchor rod meets the following conditions:
(1) the height of the lifting rod exposed out of the water surface is not higher than the height of the grown plants under the lowest water level of the river surface;
(2) the lowest sinking height of the whole floating island is not more than the water surface height of the lowest water level;
(3) under the action of the highest water level and the largest wind waves of the river surface, the surplus length of the sleeved and overlapped part of the first anchor rod and the second anchor rod is not less than 0.1 m.
Further, the length of the first anchor rod is set to be h1The length of the second anchor rod is h2The thickness of the leveling layer is d1Thickness of the prefabricated anchor slab is d2The lowest water level of the river surface is H1The highest water level is H2The height of the riverbed is H3The average wave height under the maximum wind wave is hmThe height of the plant after growing is L, and the first anchor rod h1And a second anchor length h2The following conditions are satisfied:
h1+d1+d2-(H1-H3)≤L；
h2+d1+d2≤H1-H3；
h1+h2+d1+d2-(H2-H3+hm)≥0.1。
further, float the bed and float and be connected through the connector link between the bed, float the middle part of bed and be provided with planting hole, at planting downthehole fixedly connected with field planting basket, aquatic plant is fixed in the field planting basket.
Furthermore, the lifting rods are arranged every 15-30 meters along the direction of the river bank.
Furthermore, a protective structure is arranged at the lower part of the floating bed.
Furthermore, the protective structure is a 1400-mesh polyester net, and bricks are fixed on the polyester net to prevent the polyester net from being attached to the bottom of the floating bed.
Furthermore, the lifting rod is arranged close to the bank and is 25-40cm away from the bank.
Further, the aquatic plant is any of canna aquatica, thaliana officinalis, calamus, arundo donax, vernolia, saxifrage, taro and water lily, and the height of the aquatic plant is 80-100 cm.
The utility model discloses an automatic ecological chinampa of aquatic plant goes up and down has following beneficial effect:
(1) the automatic lifting aquatic plant ecological floating island of the utility model is composed of a leveling layer, a prefabricated anchor plate and a lifting rod which are arranged in sequence, wherein the leveling layer is laid on the original riverbed to level the local riverbed, so that the prefabricated anchor plate arranged on the leveling layer is in a horizontal state; the prefabricated anchor plate is horizontally arranged on the leveling layer and is vertically and fixedly connected with one end of the lifting rod, so that the situation that the lifting rod cannot be directly driven into a hard riverbed is avoided, and on the other hand, the phenomenon of poor fixing effect of the lifting rod is avoided for a soft riverbed with silt at the bottom of the river; the other end of the lifting rod is fixedly connected with the floating island, and the lifting rod is formed by sleeving anchor rods with different diameters, so that the lifting rod can automatically lift along with the height of the water level, the floating island is fixed in the horizontal direction, and the lifting rod can freely lift along with the height of the water level in the vertical direction. The utility model discloses an automatic ecological chinampa of aquatic plant goes up and down, through automatic lifting device's setting, make it all adaptable to soft riverbed and stereoplasm riverbed, enlarged the range of application of chinampa, and do not destroy original riverbed, river bank structure in the work progress, the construction is simple and convenient, and construction speed is fast.
(2) The utility model discloses an automatic ecological chinampa of aquatic plant goes up and down chooses for use aquatic plants such as aquatic canna, floral leaf donax to adopt soilless culture method, make the aquatic plant root system directly absorb the nutrient in the water, reduced nitrogen, phosphorus and organic pollutant in the enrichment water, can effectively degrade N, P and nutrients such as organic matter of aquatic, reach the purpose of balanced, water-purifying with natural ecological mode, make quality of water just can effectively improve in the short time. Meanwhile, the floating island is arranged on the river bank, so that the polluted river bank can be shielded, and beautiful waterscape landscape can be formed through matching and combination of emergent aquatic plants, floating plants and the like, thereby achieving the purpose of beautifying the waterscape and the river bank.
(3) The utility model discloses an automatic ecological chinampa of aquatic plant goes up and down is provided with protective structure below the chinampa, adopts the finer polyester in aperture to net and fix with the fragment of brick, makes the aquatic plant rhizome have great space to grow on the one hand, has avoided gnawing of fish and shrimp etc. to plant roots, and the less roe of on the other hand still can get into the polyester and net and depend on the plant roots, helps the reproduction of fish and shrimp class aquatic animal, guarantees that the river forms stable, balanced ecosystem in the water.
(4) The utility model discloses an automatic ecological chinampa of aquatic plant goes up and down links together with the connector link between floating bed and the floating bed, can splice into the ecological view of arbitrary shape, has improved the ornamental effect of chinampa.
(5) The utility model discloses an automatic ecological chinampa of aquatic plant goes up and down, the lifter that is close to the bank setting still keeps having the certain distance with the bank, prevents effectively that the plant from damaging because of rubbing with the bank under the unrestrained condition, is favorable to vegetation.
Drawings
For a clearer explanation of the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic plane structure diagram of the automatic lifting aquatic plant ecological floating island of the utility model;
FIG. 2 is a sectional view taken along line A-A of FIG. 1;
FIG. 3 is a sectional view taken along line B-B of FIG. 1;
in the figure: 1-floating bed, 11-planting hole, 12-reoxygenation vent hole, 2-aquatic plant, 3-leveling layer, 4-prefabricated anchor plate, 5-lifting rod, 51-first anchor rod, 52-second anchor rod, 53-third anchor rod, 54-horizontal anchor rod, 6-riverbed, 7-riverbank, 8-polyester net and 9-brick.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the present application, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
An automatic lifting aquatic plant ecological floating island, as shown in fig. 1-3, the floating island comprises a plurality of mutually connected floating beds 1, aquatic plants 2 planted on the floating beds 1, and an automatic lifting device fixedly connected with the floating beds 1, wherein: automatic lifting device comprises screed-coat 3, prefabricated anchor slab 4 and lifter 5 of supreme setting down from down, and lifter 5 cup joints by the different stock of a plurality of diameters and forms, 5 upper ends of lifter and 1 fixed connection of floating bed, lower extreme and prefabricated anchor slab 4 fixed connection.
The local river bed is leveled by paving a leveling layer 3 on the original river bed, so that the prefabricated anchor plate 4 on the leveling layer 3 is in a horizontal state; prefabricated anchor slab 4 level sets up on screed-coat 3 to with 5 one end vertical fixation of lifter be connected, avoided lifter 5 can not directly squeeze into the condition of stereoplasm riverbed on the one hand, on the other hand is mostly the soft riverbed of silt to the river bed, has also avoided lifter 5 directly to squeeze into and the not good phenomenon of fixed effect, makes the utility model discloses a chinampa structure all can adapt to soft riverbed and stereoplasm riverbed, has enlarged chinampa's range of application, and does not destroy original riverbed, river bank structure in the work progress, and the construction is simple and convenient, and construction speed is fast. Simultaneously 5 other ends of lifter and chinampa fixed connection to adopt the stock of different diameters to cup joint and form, make the lifter can along with the automatic rising of water level height, and then guarantee that chinampa is fixed in horizontal direction position, vertical direction can freely go up and down along with the water level height.
Specifically, in some embodiments of the present invention, the leveling layer 3 is a granite gravel cushion layer, and is laid on the riverbed 6 for leveling the riverbed. The precast anchor plate 4 is a precast concrete heavy object placed on the leveling layer 3. And (3) filling granite broken stones into the river bottom at the position where the prefabricated anchor plate is to be placed by using a special excavator on water, and leveling underwater by using an excavator bucket. And the concrete heavy objects are hung on the underwater leveling layer by a special overwater crane.
More specifically, the weight and size of the prefabricated anchor plate are set according to factors such as the wind load, the setting distance of the connecting rod and the like which can be encountered by different river surfaces. Wherein, the wind load Wk＝βz·μs·μz·W0，W0Is the basic wind pressure value (kN/m)2)，μsIs the wind carrier type coefficient, muzFor the height coefficient of variation of wind pressure, βzIs the wind vibration coefficient at z height. Supposing that two lifting rods are arranged every h meter, the height of the plant is L, and the horizontal force borne by every two lifting rods is as follows: f ═ Wk·h·L。
If the friction coefficient of the prefabricated anchor plate and the river bed is mu, the density of the prefabricated anchor plate is rho, and the volume of the prefabricated anchor plate is V, the requirement that the friction force of the prefabricated anchor plate and the river bed is greater than the horizontal force borne by the lifting rod is met, namely:
μgV(ρ-ρwater (W))＞Wk·h·L。
The size range of the prefabricated anchor plate can be determined, and the length, width and height of the prefabricated anchor plate can be determined according to the size of the actual floating island, the concrete consumption of the prefabricated anchor plate and the like.
As an embodiment of the present invention, an ecological floating island is installed in a certain waterfront landscape zone in the south sand area of guangzhou city. In this embodiment, the basic wind pressure W is met in 10 years in the south sand area00.35, high coefficient of variation of wind pressure muz1, wind carrier coefficient μs0.5 (see safety net), wind vibration coefficient βzAvailable wind load W1k＝1×0.5×1×0.35＝0.175kN/m2。
Set up two lifter according to every 15 meters along the river bank direction, the plant height is 1 meter, and the horizontal force that every two lifter received is: f ═ Wk·h·L＝0.175×15×1＝2.625kN。
The friction coefficient of the prefabricated anchor plate and the riverbed is 0.5, and the density of the prefabricated anchor plate is 2200kg/m3The volume is V, then need to satisfy the frictional force that prefabricated anchor slab and riverbed are greater than the horizontal force that the lifter received, promptly:
μgV(ρ-ρwater (W))＞Wk·h·L。
The volume V > 2625/(0.5 × 9.8.8 9.8 × (2200-3。
The length of prefabricated anchor slab in this embodiment sets up to 2.6m according to the width that corresponds the chinampa, and for guaranteeing that the lifter has great thickness in inserting prefabricated anchor slab to improve the horizontal atress ability of lifter, set up prefabricated anchor slab thickness to 0.2m, reconciled consideration cost factor, technology degree of difficulty etc. and set up prefabricated anchor slab width to 0.9m, obtain prefabricated anchor slab volume V2.6 × 0.9 × 0.2.2 0.468 is more than 0.446m3。
Thus, using prefabricated anchor slabs of dimensions 2.6m (length) x 0.9m (width) x 0.2m (thickness) can resist the high winds encountered in 10 years in the southern sand region.
Specifically, as shown in fig. 3, the lifting rod 5 includes a first anchor rod 51 and a second anchor rod 52 sleeved outside the first anchor rod 51, and the length of the first anchor rod 51 is greater than that of the second anchor rod 52. In some embodiments of the present invention, the lifting rod 5 further comprises a third anchor rod 53, the lower end of the third anchor rod 53 is embedded in the precast concrete heavy object, the nominal diameter of the first anchor rod 51 is smaller than the nominal diameter of the third anchor rod 53, and the upper end of the third anchor rod 53 is sleeved outside the lower end of the first anchor rod 51 and is fixedly connected with the first anchor rod 51 through a screw. The third stock 53 is short in length and is directly pre-buried in concrete and cured, and through the arrangement of the third stock 53, compared with the direct fixed connection of the first stock 51 with long length and the prefabricated anchor plate 4, the integral structure of the prefabricated anchor plate 4 is simplified, and the transportation and the hoisting are easy. More specifically, the nominal diameter of the first anchor rod 51 is smaller than the nominal diameter of the second anchor rod 52, the second anchor rod 52 is sleeved outside the first anchor rod 51, and the length of the first anchor rod 51 is larger than that of the second anchor rod 52. The floating island is controlled to freely lift along with the height of the water level by the arrangement of the sleeve structure of the lifting rod 5. The nominal diameter of the lifting rod 5 is selected to ensure that the bending resistance bearing capacity of the lifting rod 5 is greater than the horizontal thrust under strong wind.
Specifically, the lengths of the first anchor rod 51 and the second anchor rod 52 satisfy the following condition:
(1) the height of the lifting rod exposed out of the water surface is not higher than the height of the grown plants under the lowest water level of the river surface;
(2) the lowest sinking height of the whole floating island is not more than the water surface height of the lowest water level;
(3) under the action of the highest water level and the largest wind waves of the river surface, the surplus length of the sleeved and overlapped part of the first anchor rod and the second anchor rod is not less than 0.1 m.
Specifically, the length of the first anchor rod is set to be h1The length of the second anchor rod is h2The thickness of the leveling layer is d1Thickness of the precast slab layer is d2The lowest water level of the river surface is H1The highest water level is H2The height of the riverbed is H3Average wave height under maximum wind waves is hm, height of plants after growth is L, and first anchor rod h1And a second anchor length h2The following conditions are satisfied:
h1+d1+d2-(H1-H3)≤L
h2+d1+d2≤H1-H3
h1+h2+d1+d2-(H2-H3+hm)≥0.1。
under the condition that the floating island meets the requirements, structural components such as the lifting rod and the like are hidden on the water surface or below the plants no matter under any water level, so that the floating island is ensured not to be influenced in shape, and the floating island is more attractive. Meanwhile, the plant root system can be immersed in water to absorb nutrients at any water level. The utility model discloses a chinampa stable in structure is reliable, can guarantee that the chinampa is not taken away by the stormy waves, prevents that the bed of floating from being turned over by the stormy waves, and under the violent change of water level, the big condition of stormy waves, can cushion the collision each other between chinampa and the chinampa for the chinampa stable in structure is durable. The utility model discloses a floating bed, anti risk ability is high, and floating bed can resist 8 grades of typhoons, and aquatic plant can resist 7 grades of typhoons (the typhoon needs to make appropriate construction after crossing and handles).
As an embodiment of the present invention, an ecological floating island is installed in a certain waterfront landscape zone in the south sand area of guangzhou city. In this embodiment, the length of the first anchor rod is set to h1The length of the second anchor rod is h2The thickness of the leveling layer is d10.2m, the thickness of the prefabricated anchor rod is d20.2m, the minimum water level height of the river surface is H14.7m, the height of the highest water level is H26.3m, riverbed height H33.2m, average wave height under maximum wind wave is hmThe height of the plant after growth is (0.8-1) m, and the L is 0.8 m.
Wherein, the average wave height under the maximum wind wave is calculated according to rolling type earth-rock dam design specification SL274-2011, appendix A wave and slope protection, and the specific formula of the test station for the Pu field is as follows:
a.1.4 average depth H of water area in wind zonemAnd preferably, a topographic profile is drawn along the wind direction for calculation, and the calculated water level is consistent with the static water level under the corresponding design condition.
The average wave height and average wave period of the A.1.5 waves are preferably calculated according to the formulae (A.1.5-1) and (A.1.5-2) by using the formula of Tantan test station:
in the formula hm-mean wave height, m;
Tm-average wave period, s;
w-calculate wind speed, m/s;
d is wind zone length, m;
Hmaverage water depth m；
g-gravitational acceleration, is 9.81m/s2。
According to the maximum value of 8-level wind speed: 20.7 m/s; wind speed correction factor: 1.0; wind zone length: taking 5 times of the width of the river channel, and calculating by 100 meters; the average depth of the water area is the river depth of 50 years: 6.3-3.2 ═ 3.1 m; gradient coefficient: 0.
the average wave height is calculated: h ism0.1129 m.
To sum up, the first anchor rod h1And a second anchor length h2The following conditions are satisfied:
h1+0.2+0.2-(4.7-3.2)≤0.8
h2+0.2+0.2≤4.7-3.2
h1+h2+0.2+0.2-(6.3-3.2+0.1129)≥0.1。
calculated by the above conditions, 1.4129 is less than or equal to h1≤1.9，1.0129≤h2≤1.5。
Under the condition, the length of the first anchor rod is 1.9m, and the length of the second anchor rod is 1.2m, so that the requirements are met. At the moment, the surplus length of the sleeved overlapping part of the first anchor rod and the second anchor rod is 1.9+1.2+0.2+0.2- (6.3-3.2+0.1129) ═ 0.29m, namely, the length of the lifting rod is still 29cm of overlapping part under the conditions of highest water level and 8-grade wind, and the length of the lifting rod meets the requirement. The height of the lifting rod exposed out of the water surface under the lowest water level is 1.9+0.2+ 0.2-1.5-0.8 m, and the height of the grown plant is 0.8-1m which is more than or equal to 0.8 m. The lowest sinking height of the whole floating island is 0.2+0.2+ 1.2-1.6 m, which is 1.5m higher than the lowest water level. Therefore, the length setting of the first anchor rod and the second anchor rod in the embodiment meets the requirement.
Specifically, as shown in fig. 1 to 3, the floating bed 1 is connected to the floating bed 1 through a connecting buckle (not shown), and the lifting rod 5 further includes a horizontal anchor rod 54, the horizontal anchor rod 54 is vertically and fixedly connected to the upper end of the second anchor rod 52, and the horizontal anchor rod 54 is fixedly connected to the floating island. As an embodiment of the utility model, the upper end welded connection of horizontal stock 54 and second stock 52, horizontal stock 54 passes through the ligature with the bed of floating 1 that is located the chinampa edge and fixes, has guaranteed that the chinampa is fixed at horizontal direction rigidity, and vertical direction can freely go up and down along with the water level height under the effect of first stock 51 and second stock 52.
In some embodiments of the present invention, the floating bed 1 is made of a high molecular polyethylene material with a size of 1000mmx500mmx60mm, each group of floating beds includes 8 planting holes, and the diameter of the planting holes is 160 mm; as another embodiment of the utility model, the floating bed is a circular structure with a diameter of 330mm and a thickness of 65mm, and is provided with planting holes in the middle, and the diameter of the planting holes is 170 mm. Preferably, in some embodiments of the present invention, as shown in fig. 1-2, the floating bed is a cuboid structure with a size of 330mmx330mmx65mm, the middle part of the floating bed 1 is provided with planting holes 11 with a diameter of 170mm, and a planting basket 13 is fixedly connected in the planting holes 11. The floating bed can bear 3 kilograms of buoyancy, and can meet the planting requirement of large-scale aquatic plants. More specifically, reoxygenation vent holes 12 are arranged around the planting holes 11 on the floating bed 1, so that oxygen transmission between air and a water body can be realized, and the purpose of natural reoxygenation is achieved. Meanwhile, the floating bed is treated by adopting an anti-oxidation and anti-ultraviolet technology, so that the service life of the floating bed is longer than 6 years, and the actual use cost is only half of that of a foam plate. By adopting the structure, the size of a single floating bed is smaller, so that the arrangement mode is more flexible, and the shape of the floating bed attached to the river channel can be arranged according to the shape of the river channel; the floating bed is connected with the floating bed through the connecting buckles, so that the ecological landscape in any shape can be spliced, and the ornamental effect of the floating island is improved. Meanwhile, the distance between the planting holes of the floating bed is larger, more growth spaces are provided for each plant, and the later-stage growth of the plants is facilitated.
More specifically, in some embodiments of the utility model, field planting basket 13 is the polypropylene material, is provided with the draw-in groove (not seen in the figure) in the field planting basket 13, guarantees that aquatic plant stably fixes in field planting basket 13. 3 aquatic plants are planted in each planting basket 13.
More specifically, the aquatic plant is any one of canna aquatica, thaliana officinalis, calamus, arundo donax, vermouth, saxifrage, taro and water lily, and the height of the aquatic plant is 80-100 cm. The utility model utilizes the plants planted in the aquatic plant floating island, because the root system directly absorbs the nutrients in the water body, nitrogen, phosphorus and organic pollutants in the enriched water body are reduced, and N, P and organic matters and other nutrients in the water can be effectively degraded; the edge area of the contact oxidation of the water body organisms is increased, and the growth of algae is inhibited; creating a water ecosystem suitable for the growth and the reproduction of various organisms; the water purifying function is achieved, the purposes of balancing and purifying water quality are achieved in a natural ecological mode, the water quality can be effectively improved in a short time, and the ecological effect of water clearness is maintained for a long time. At present, the riparian marble hanging plate is easily polluted by pollutants in river water, so that the surface stains of the marble are serious, and the appearance is influenced. By arranging the river bank floating island, not only can the polluted river bank be shielded, but also a beautiful water landscape is formed by selecting emergent aquatic canna, thaliana, calamus, arundo donax, turelia and the like on the water surface and matching and combining the emergent aquatic plants with shallow water-based floating plants such as water lily and the like. And evergreen lawn plants can be planted on the water surface to form the miraculous effect of the water surface lawn landscape.
Specifically, the lifting rods 5 are arranged every 15-30 meters along the direction of the river bank. The floating beds between every two lifting rods form a group, and the specific length is adjusted according to the river channel site condition. Each group of floating beds is planted with a plant, the important display area is mainly planted by flowers and plants in combination with intervals, and other areas are mainly planted by water plants at intervals. The utility model is planted in large sections, the color matching is beautiful and elegant, the color block effect is good, the effect of the green onion with depression can be formed, and the configuration of the green onion is coordinated with the surrounding environment; and the same flowering phase is basically the same, so that the later-stage maintenance and management are facilitated, and the plant diseases and insect pests are reduced.
Specifically, a protective structure is arranged at the lower part of the floating bed 1. In some embodiments of the present invention, as shown in fig. 2-3, the protective structure is a 1400-mesh polyester net 8, and bricks 9 are fixed on the polyester net 8 to prevent the polyester net 8 from attaching to the bottom of the floating bed 1 under the action of buoyancy. Through setting up protective structure in chinampa below, adopt the finer polyester net in aperture and fixed with the fragment of brick, make the aquatic plant rhizome have great space to grow on the one hand, avoided gnawing of fishes and shrimps etc. to plant roots, on the other hand less roe etc. still can get into the polyester net and depend on plant roots, help the reproduction of fishes and shrimps class aquatic animal, guarantee that the river forms stable, balanced ecosystem in the water. In some embodiments of the present invention, a protective structure is disposed in each floating bed group.
Specifically, the lifting rod 5 is arranged close to the river bank 7 and is 25-40cm away from the river bank. The lifting rod 5 arranged close to the river bank 7 still keeps a certain distance from the river bank 7, so that the damage of plants due to friction with the river bank 7 under the condition of wind and wave is effectively prevented, and the growth of the plants is facilitated.
The utility model discloses an automatic aquatic plant ecology of going up and down floats the bed, through arousing the energy that floats bed self, reaches free "telling the old time to accomodate new", maintains healthy aquatic ecological environment. A biological floating bed is arranged in a polluted water area, aquatic plants with water purification, ornamental value and economic value are planted on the floating bed by using a medium, and the water quality is improved and purified by using the functions of adsorption and absorption of root systems of the plants, biochemical degradation of microorganisms and the like. Meanwhile, the formation of aquatic plant communities can also provide habitats for wild animals and insects. Therefore, the polluted water flows through the ecological community formed by plants and animals to form a continuous and stable circulating purification process, and the water quality of the water area acted by the floating island is ensured to be continuously good.
The present invention has been further described with reference to specific embodiments, but it should be understood that the specific description herein should not be construed as limiting the spirit and scope of the present invention, and that various modifications to the above-described embodiments, which would occur to persons skilled in the art after reading this specification, are within the scope of the present invention.
Claims (10)
1. An automatic ecological chinampa of aquatic plant goes up and down, its characterized in that, the chinampa includes a plurality of interconnected floating beds, the aquatic plant of planting on the floating bed, and with the automatic lifting device of floating bed fixed connection, wherein: the automatic lifting device comprises screed-coat, prefabricated anchor slab and the lifter of supreme setting down from down, the lifter cup joints by the stock that a plurality of diameters are different and forms, the lifter upper end with bed fixed connection floats, the lower extreme with prefabricated anchor slab vertical fixation connects.
2. The ecological floating island of automatic lifting aquatic plants according to claim 1, wherein the leveling layer is a granite gravel cushion layer laid on the riverbed, and the prefabricated anchor plate is a prefabricated concrete sinker placed on the leveling layer.
3. The ecological floating island of automatic lifting aquatic plants of claim 1, wherein the lifting rod comprises a first anchor rod and a second anchor rod sleeved outside the first anchor rod, the length of the first anchor rod is greater than that of the second anchor rod, the lower end of the first anchor rod is fixedly connected with the prefabricated anchor plate, and the upper end of the second anchor rod is fixedly connected with the floating island.
4. The ecological floating island of automatic lifting aquatic plants of claim 3, wherein the length of the first anchor rod and the second anchor rod satisfies the following condition:
(1) the height of the lifting rod exposed out of the water surface is not higher than the height of the grown plants under the lowest water level of the river surface;
(2) the lowest sinking height of the whole floating island is not more than the water surface height of the lowest water level;
(3) under the action of the highest water level and the largest wind waves of the river surface, the surplus length of the sleeved and overlapped part of the first anchor rod and the second anchor rod is not less than 0.1 m.
5. The ecological floating island for automatically lifting aquatic plants according to claim 4, wherein the length of the first anchor rod is h1The length of the second anchor rod is h2The thickness of the leveling layer is d1Thickness of the prefabricated anchor slab is d2The lowest water level of the river surface is H1The highest water level is H2The height of the riverbed is H3The average wave height under the maximum wind wave is hmThe height of the plant after growing is L, and the first anchor rod h1And a second anchor length h2The following conditions are satisfied:
h1+d1+d2-(H1-H3)≤L；
h2+d1+d2≤H1-H3；
h1+h2+d1+d2-(H2-H3+hm)≥0.1。
6. the automatic lifting ecological floating island for aquatic plants as claimed in claim 1, wherein the floating bed is connected with the floating bed through a connecting buckle, planting holes are formed in the middle of the floating bed, planting baskets are fixedly connected in the planting holes, and aquatic plants are fixed in the planting baskets.
7. The ecological floating island for automatic lifting aquatic plants according to claim 1, wherein a protective structure is arranged at the lower part of the floating bed.
8. The ecological floating island of automatic lifting aquatic plants of claim 7, wherein the protective structure is 1400 mesh polyester net, and bricks are fixed on the polyester net to prevent the polyester net from being attached to the bottom of the floating bed.
9. The ecological floating island with automatic lifting aquatic plants of claim 1, wherein the lifting rods are arranged near the bank and are 25-40cm away from the bank.
10. The ecological floating island of automatically-lifting aquatic plants as claimed in claim 1, wherein the aquatic plants are any of canna aquatica, reshuffle, calamus, arundo donax, turelia chinensis, saxifrage, taro and water lily, and the height of the aquatic plants is 80-100 cm.
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| CN110627219A (en) * | 2019-09-26 | 2019-12-31 | 义方科技(广州)有限责任公司 | Automatic ecological chinampa of aquatic plant goes up and down |
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