CN106565020B - Ecological floating bridge for landscape river of high lake wetland and installation method of ecological floating bridge - Google Patents
Ecological floating bridge for landscape river of high lake wetland and installation method of ecological floating bridge Download PDFInfo
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- CN106565020B CN106565020B CN201610938689.1A CN201610938689A CN106565020B CN 106565020 B CN106565020 B CN 106565020B CN 201610938689 A CN201610938689 A CN 201610938689A CN 106565020 B CN106565020 B CN 106565020B
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D15/00—Movable or portable bridges; Floating bridges
- E01D15/14—Floating bridges, e.g. pontoon bridges
- E01D15/20—Floating bridges, e.g. pontoon bridges collapsible, expandable, inflatable or the like with main load supporting structure consisting only of non-rigid members
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
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- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
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Abstract
The invention discloses an ecological floating bridge for a landscape river of a high lake wetland and an installation method thereof. The method comprises the following steps: (a) construction preparation; (b) treating the side slope of the river channel; (c) installing a fixed upright post; (d) installing a floating bridge unit; (e) arranging a fixing device; (f) and (4) water quality treatment. The ecological floating bridge is simple in structure, scientific and convenient, strong in pertinence and high in automation degree, and well solves the eutrophication problem of the river channel in the scenic spot. The installation method has the advantages of simple construction, short construction period and cost saving, and the constructed ecological floating bridge has the advantages of purifying water quality and air, protecting biological diversity, adjusting microclimate, improving environmental quality and the like.
Description
Technical Field
The invention relates to an ecological floating bridge for a landscape river of a high lake wetland and an installation method thereof.
Background
With the improvement of living standard, people increasingly move to the living environment like poetry and pictures, and wave towards the blue waves, so that fishes and birds form a natural beautiful scene. In urban green land, park construction and large-scale landmark buildings, artificial lakes, artificial rivers and landscape ponds are continuously emerging, and waterscape houses in real estate development also become a great hotspot. The enrichment of nutrient substances such as nitrogen, phosphorus and the like in the landscape water body causes the abnormal proliferation of algae, the generation of water bloom or lake indigo, the reduction of the transparency of the water body, the reduction of dissolved oxygen and the serious deterioration of water quality.
And landscape water (pond water, running water, drop water, spray water and gush water) is mostly a closed slow-flow water body with static or poor fluidity, and the area of a general water area is relatively small, so the water environment capacity is small, and the self-purification capacity of the water body is low. Some landscape water adopts tap water, so that a whole biological chain is lacked in the water body, and the self-cleaning capacity is extremely low. Although some landscape water is drawn by natural river channels or lakes, the water body has very high pollution load from the beginning and is continuously enriched because of serious pollution and high nitrogen and phosphorus content of the current urban water source. In addition, due to rain wash and irrigation water permeation, a large amount of nutrients such as nitrogen, phosphorus, carbon, potassium and the like in the plants, fertilizers, pesticides, leaves, hay and other greening wastes can be gathered into landscape water with lower topography. In severe cases, eutrophication of water can be caused, which leads to mass propagation of algae in water, blackening and smelling of water, and seriously affects the surrounding natural environment and the living environment of residents. It is reported that 93% of park waters are polluted to varying degrees throughout the country. The phenomena of black and odorous water bodies and eutrophication are serious, a plurality of urban river channels show obvious swampiness trend, and a plurality of landscape lake water also has eutrophication with different degrees. Therefore, how to improve the quality of landscape water has become a difficult problem to be solved urgently.
Disclosure of Invention
The invention aims to provide an ecological floating bridge for a landscape river channel of a high lake wetland and an installation method thereof. The ecological floating bridge is formed by splicing the floating bridge units and the fixed upright posts, aquatic plants are planted on two sides of the ecological floating bridge, and the inorganic nutrient salts are absorbed, accumulated and converted through the absorption, degradation and other effects of the aquatic plants, so that a certain effect of purifying the water quality of the river channel is achieved. The water quality treatment device can circulate water quality to be filtered, biologically treated and oxygenated, increases water fluidity, increases dissolved oxygen in the water quality, reduces solid particles in the water quality, purifies the water quality, provides sufficient water for plants, is stable in installation of the whole structure, and integrally builds a natural ecological compatible environmental benefit. The installation method has the advantages of simple construction, short construction period and cost saving, and the constructed ecological floating bridge has the advantages of purifying water quality and air, protecting biological diversity, adjusting microclimate, improving environmental quality and the like. In addition, the method can improve the safety and stability of the construction process, and the ecological floating bridge adjusts the position of the floating bridge unit through the air floating device, adapts to the water level change of the river channel, is beneficial to the growth of aquatic plants in the floating bridge unit, and has the characteristics of easy operation, low cost, good water quality treatment effect, quick response and the like.
In order to solve the technical problems, the following technical scheme is adopted:
the utility model provides an ecological pontoon bridge for high lake wetland view river course, including pontoon bridge unit and stationary mast, be equipped with connecting device between pontoon bridge unit and the stationary mast, pontoon bridge unit and stationary mast pass through the connecting device concatenation and form ecological pontoon bridge, the pontoon bridge unit includes water treatment chamber and plants the room, it is located the both sides of water treatment chamber to plant the room, it plants the groove to be equipped with ecology on the room to plant, ecological planting is equipped with aquatic plant on the groove, it is connected with fixing device to plant the room, be equipped with water treatment device and air supporting device in the water treatment chamber, water treatment device is including just sinking the room, add medicine flocculation chamber and micro-filtration room, the one end of just sinking the room is equipped with the inlet tube, the other end of just sinking the room is connected with the flocculation chamber, add medicine flocculation chamber connection micro-filtration room, the micro-filtration room. The ecological floating bridge is simple in structure, scientific and convenient, strong in pertinence and high in automation degree, and well solves the eutrophication problem of the river channel in the scenic spot. The ecological floating bridge is formed by splicing the floating bridge units and the fixed upright posts, aquatic plants are planted on two sides of the ecological floating bridge, and the inorganic nutrient salts are absorbed, accumulated and converted through the absorption, degradation and other effects of the aquatic plants, so that a certain effect of purifying the water quality of the river channel is achieved. The water quality treatment device can circulate water quality to be filtered, biologically treated and oxygenated, increases water fluidity, increases dissolved oxygen in the water quality, reduces solid particles in the water quality, purifies the water quality, provides sufficient water for plants, is stable in installation of the whole structure, and integrally builds a natural ecological compatible environmental benefit.
Further, the air flotation device comprises an air bag, an inflation air source and an inflation motor, the air bag comprises a first air bag and a second air bag, the first air bag is installed on one side of the water quality treatment chamber, the second air bag is installed on the other side of the water quality treatment chamber, the first air bag is connected with a first floating cavity, the second air bag is connected with a second floating cavity, the first floating cavity and the second floating cavity are connected with inflation tubes, the inflation tubes are connected with the inflation air source, the inflation air source is connected with the inflation motor, and the inflation motor is connected with a control box. The ecological floating bridge adjusts the position of the floating bridge unit through the air floating device to adapt to the water level change of the river channel.
Furthermore, a joint body is arranged at the joint of the air bag and the floating cavity, an air bag end cover is arranged on the joint body, an air bag shield is arranged on the air bag end cover, and a sealing assembly is arranged between the air bag end cover and the air bag. The air bag shield is used for protecting the air bag, so that the air bag is not directly exposed in water, and the service life of the air bag is prolonged. The air leakage phenomenon of the air bag is reduced through the sealing assembly, so that the air bag is not required to be inflated by frequently starting the inflating motor.
Further, fixing device includes wire rope and dead lever, and wire rope's one end is equipped with the anchor nail, and the floating bridge unit is connected to the anchor nail, and the dead lever is connected to wire rope's the other end, is equipped with the fixed orifices on the dead lever, is equipped with the fixed pin in the fixed orifices, is equipped with fixation nut between fixed orifices and the fixed pin. Through setting up fixing device, improve the fastness and the intensity of whole ecological pontoon bridge.
Furthermore, one end of the floating bridge unit is provided with a connecting lug and a guide lug, the other end of the floating bridge unit is provided with a connecting groove and a guide groove, the connecting lug is matched with the connecting groove, and the guide lug is matched with the guide groove.
Further, connecting device includes clamp, joint bar and connection piece, and the clamp includes first clamp and second clamp, and the joint bar includes first joint bar and second joint bar, is equipped with first lug on the first clamp, is equipped with the second lug on the second clamp, is equipped with first joint bar between first lug and the second lug, and the second joint bar is connected at the middle part of first joint bar, and the connection piece is connected to the second joint bar, and the stationary mast is connected to the connection piece. Through the fixed mode of clamp, combination bar and connection piece, improved the joint strength of pontoon unit and fixed stand well.
Furthermore, the both ends of connection piece are equipped with the embedded end, are equipped with the connection arch on the outer wall of stationary mast, are formed with the embedded groove between connection arch and the stationary mast, and the embedded end matches with the embedded groove. Insert the connection piece between clamp and fixed post, through the mating action of built-in end and embedded groove, reduce the impact of rivers flow to the pontoon unit, alleviated the hard impact and the hard friction of fixed post and pontoon unit to effectual fixed post of protection and pontoon unit.
Further, be equipped with the semicircle arc groove on the pontoon unit, semicircle arc groove and clamp phase-match are equipped with the connecting block on the clamp, are equipped with the connecting hole on the connecting block, and the connecting hole is connected with connecting screw, is equipped with the screw hole on the semicircle arc groove, connecting screw and screw hole phase-match.
Furthermore, the hoop is provided with an elastic structure, the elastic structure comprises an elastic sheet and an elastic block, the elastic sheet is connected with the elastic block, and the elastic block is matched with the fixed stand column.
An ecological floating bridge installation method for a landscape river channel of a high lake wetland comprises the following installation steps:
(a) construction preparation: firstly, selecting one place as an address of an ecological floating bridge according to the condition of a landscape river channel of a high lake wetland, then compiling a construction organization design according to a design file, a design drawing, a construction contract and a field condition, preparing construction machine tools and equipment, checking the running condition of the equipment, detecting the construction machine tools in time, then performing trial assembly on the materials and the equipment entering a field, finally setting coordinates, a base line, basic data and elevation control points of the ecological floating bridge on a construction general plane diagram, performing network point measurement by using a theodolite, a level gauge and a steel ruler, establishing construction control points in a construction area of the ecological floating bridge, setting stand columns at the construction control points and establishing a safety partition plate.
(b) Treating the side slope of the river channel: the method comprises the steps of firstly removing stones and weeds at the side slope of the ecological floating bridge construction area, then scattering granular sludge and sediments by using a high-pressure water gun, carrying away the cleaned sundries and spoil by using a truck, then backfilling the soil of the side slope and tamping, then manually throwing stones on the tamped side slope, and carrying out layered stone throwing on the tamped side slope according to the sequence of firstly going up and down, firstly going far and near, and firstly going deep and then shallow.
(c) Installing and fixing the stand column: firstly, excavating a rectangular bottom groove at a specified position of the bottom of a riverbed through a dredging ship according to a construction drawing, wherein the middle of the rectangular bottom groove is a construction area; then arranging temporary cofferdams at two sides of a construction area to form an installation platform, lowering a steel casing to the bottom of a river bed in the platform, driving a pier pile under water, pouring a concrete foundation for fixing a stand column, and setting the center of the concrete foundation into a cylindrical groove; then, the fixed upright post is arranged in the cylindrical groove and is poured and fixed by concrete; and finally, finishing the fixed installation of the fixed upright post every 5 m distance according to the installation mode.
(d) Installing a floating bridge unit: firstly, arranging a connecting device at the top of a fixed upright post, and enabling the embedded end of a connecting sheet to be matched and connected with an embedded groove of the fixed upright post; then arranging a first floating bridge unit on one side of the connecting device, enabling the semi-circular arc groove of the floating bridge unit to be connected with the hoop of the fixing device in a matching manner, and inserting a connecting screw into the threaded hole of the floating bridge unit for fixed connection; then, another floating bridge unit is arranged on the other side of the connecting device by the same method, the connecting lug of the first floating bridge unit is inserted into the connecting groove of the other floating bridge unit, and the guide lug of the first floating bridge unit is inserted into the guide groove of the other floating bridge unit, so that the splicing of the two adjacent floating bridge units is completed; and finally, completing the installation of the floating bridge unit according to the splicing mode.
(e) Setting a fixing device: firstly, one end of a steel wire rope is connected to the side face of the floating bridge unit through an anchor, then a fixed rod is arranged at the other end of the steel wire rope, and finally the fixed rod is fixed through a fixed pin and a fixed nut.
(f) Water quality treatment: firstly, debugging a water quality treatment device to ensure that the water quality treatment device can work normally; then removing the temporary cofferdam to enable the river water to submerge the water quality treatment device; and then, opening the water inlet pump, leading the water in the river channel into the water quality treatment device through the water inlet pipe for water quality treatment, after the water quality treatment device finishes the water treatment, opening the water outlet pump, supplying one part of water to aquatic plants through a water supply pipe, and reflowing the other part of water into the river channel again, so that the water quality treatment device performs circulating treatment on the lake water.
Due to the adoption of the technical scheme, the method has the following beneficial effects:
the invention relates to an ecological floating bridge for a landscape river channel of a high lake wetland and an installation method thereof. The ecological floating bridge is formed by splicing the floating bridge units and the fixed upright posts, aquatic plants are planted on two sides of the ecological floating bridge, and the inorganic nutrient salts are absorbed, accumulated and converted through the absorption, degradation and other effects of the aquatic plants, so that a certain effect of purifying the water quality of the river channel is achieved. The water quality treatment device can circulate water quality to be filtered, biologically treated and oxygenated, increases water fluidity, increases dissolved oxygen in the water quality, reduces solid particles in the water quality, purifies the water quality, provides sufficient water for plants, is stable in installation of the whole structure, and integrally builds a natural ecological compatible environmental benefit. The installation method has the advantages of simple construction, short construction period and cost saving, and the constructed ecological floating bridge has the advantages of purifying water quality and air, protecting biological diversity, adjusting microclimate, improving environmental quality and the like. In addition, the method can improve the safety and stability of the construction process, and the ecological floating bridge adjusts the position of the floating bridge unit through the air floating device, adapts to the water level change of the river channel, is beneficial to the growth of aquatic plants in the floating bridge unit, and has the characteristics of easy operation, low cost, good water quality treatment effect, quick response and the like.
Drawings
The invention will be further described with reference to the accompanying drawings in which:
FIG. 1 is a schematic structural view of an ecological floating bridge for a high lake wetland landscape river channel in the invention;
FIG. 2 is a schematic view of the structure of FIG. 1 taken along the line A;
FIG. 3 is a schematic structural view of a pontoon unit according to the invention;
FIG. 4 is a schematic view of the structure of FIG. 3 in the direction B;
FIG. 5 is a schematic structural view of an air floatation device according to the present invention;
FIG. 6 is a schematic structural view of the connecting device of the present invention disposed between the pontoon units and the stationary posts;
FIG. 7 is an enlarged view of the structure at I in FIG. 6 according to the present invention;
FIG. 8 is an enlarged view of the structure of FIG. 6 at II in the present invention;
FIG. 9 is an enlarged view of FIG. 6 at III according to the present invention;
FIG. 10 is a schematic structural view of a stationary pillar according to the present invention;
FIG. 11 is a schematic view of the structure of the connecting sheet of the present invention.
In the figure: 1-a floating bridge unit; 2-fixing the upright post; 3-a water quality treatment chamber; 4-planting room; 5-ecological planting tank; 6-a fixing device; 7-a water quality treatment device; 8-an air floatation device; 9-primary settling chamber; 10-adding a drug flocculation chamber; 11-a microfiltration chamber; 12-a water inlet pipe; 13-water outlet pipe; 14-a gas-filled motor; 15-a first balloon; 16-a second balloon; 17-a first floating cavity; 18-a second floating chamber; 19-a gas-filled tube; 20-inflation gas source; 21-a control box; 22-a connector body; 23-balloon end caps; 24-an airbag shield; 25-a seal assembly; 26-a steel wire rope; 27-a fixing rod; 28-anchor bolts; 29-a fixed pin; 30-fixing a nut; 31-connecting bumps; 32-a guide projection; 33-connecting grooves; 34-a guide groove; 35-a first clamp; 36-a second clip; 37-a first bond bar; 38-a second bond bar; 39-connecting sheets; 40-an embedded end; 41-embedded groove; 42-semi-circular arc groove; 43-connecting block; 44-connecting hole; 45-attachment screws; 46-a threaded hole; 47-an elastic sheet; 48-an elastic block; 49-a first lifting lug; 50-a second lifting lug; 51-connecting projection.
Detailed Description
As shown in fig. 1 to 11, an ecological floating bridge for a landscape river channel of a high lake wetland comprises a floating bridge unit 1 and a fixed upright post 2, a connecting device is arranged between the floating bridge unit 1 and the fixed upright post 2, the floating bridge unit 1 and the fixed upright post 2 are spliced to form the ecological floating bridge through the connecting device, the floating bridge unit 1 comprises a water quality treatment chamber 3 and a planting chamber 4, the planting chamber 4 is positioned at two sides of the water quality treatment chamber 3, an ecological planting groove 5 is arranged on the planting chamber 4, aquatic plants are arranged on the ecological planting groove 5, the planting chamber 4 is connected with a fixing device 6, a water quality treatment device 7 and an air flotation device 8 are arranged in the water quality treatment chamber 3, the water quality treatment device 7 comprises a primary settling chamber 9, a dosing flocculation chamber 10 and a micro-filtration chamber 11, one end of the primary settling chamber 9 is provided with a water inlet pipe 12, the other end of the primary settling chamber 9 is connected with the dosing flocculation chamber 10, the dosing, the water outlet pipe 13 is connected with the planting room 4. The ecological floating bridge is simple in structure, scientific and convenient, strong in pertinence and high in automation degree, and well solves the eutrophication problem of the river channel in the scenic spot. The floating bridge unit 1 and the fixed upright posts 2 are spliced to form an ecological floating bridge, aquatic plants are planted on two sides of the ecological floating bridge, and the inorganic nutrient salts are absorbed, accumulated and converted through the absorption, degradation and other effects of the aquatic plants, so that a certain effect of purifying the water quality of the river channel is achieved. The water quality treatment device 7 can circulate and carry out filtration treatment, biological treatment and oxygenation treatment to water quality, increases the water mobility, increases the dissolved oxygen in the water quality, reduces the solid particle thing in the water quality, purifies water quality to provide sufficient moisture to the plant, whole structural installation is stable simultaneously, wholly builds a natural ecological compatible environmental benefit. By arranging the primary settling chamber 9, the dosing flocculation chamber 10 and the microfiltration chamber 11, the device has the advantages that (1) suspended matters in water are removed; (2) removing the color of the water body; (3) removing peculiar smell in water; (4) removing most of colloid in water; (5) sterilizing, purifying, oxygenating and activating; (6) reducing the later biochemical sludge treatment amount.
The air floatation device 8 comprises an air bag, an inflation air source 20 and an inflation motor 14, the air bag comprises a first air bag 15 and a second air bag 16, the first air bag 15 is installed on one side of the water quality treatment chamber 3, the second air bag 16 is installed on the other side of the water quality treatment chamber 3, the first air bag 15 is connected with a first floating cavity 17, the second air bag 16 is connected with a second floating cavity 18, the first floating cavity 17 and the second floating cavity 18 are connected with an inflation pipe 19, the inflation pipe 19 is connected with the inflation air source 20, the inflation air source 20 is connected with the inflation motor 14, and the inflation motor 14 is connected with a control box 21. The ecological floating bridge adjusts the position of the floating bridge unit 1 through the air floating device 8 to adapt to the water level change of the river channel.
The joint of the air bag and the floating cavity is provided with a joint body 22, the joint body 22 is provided with an air bag end cover 23, the air bag end cover 23 is provided with an air bag protective cover 24, and a sealing component 25 is arranged between the air bag end cover 23 and the air bag. The airbag cover 24 serves to protect the airbag from direct exposure to water, thereby extending the service life of the airbag. The air leakage phenomenon of the air bag is reduced by the sealing assembly 25, so that the air bag is not required to be frequently started to be inflated by the inflating motor 14.
The fixing device 6 comprises a steel wire rope 26 and a fixing rod 27, wherein one end of the steel wire rope 26 is provided with an anchor 28, the anchor 28 is connected with the floating bridge unit 1, the other end of the steel wire rope 26 is connected with the fixing rod 27, a fixing hole is formed in the fixing rod 27, a fixing pin 29 is arranged in the fixing hole, and a fixing nut 30 is arranged between the fixing hole and the fixing pin 29. Through setting up fixing device 6, improve the fastness and the intensity of whole ecological pontoon bridge.
One end of the floating bridge unit 1 is provided with a connecting lug 31 and a guiding lug 32, the other end of the floating bridge unit 1 is provided with a connecting groove 33 and a guiding groove 34, the connecting lug 31 is matched with the connecting groove 33, and the guiding lug 32 is matched with the guiding groove 34.
The connecting device comprises a clamp, a connecting rod and a connecting piece 39, the clamp comprises a first clamp 35 and a second clamp 36, the connecting rod comprises a first connecting rod 37 and a second connecting rod 38, a first lifting lug 49 is arranged on the first clamp 35, a second lifting lug 50 is arranged on the second clamp 36, the first connecting rod 37 is arranged between the first lifting lug 49 and the second lifting lug 50, the second connecting rod 38 is connected to the middle of the first connecting rod 37, the second connecting rod 38 is connected to the connecting piece 39, and the connecting piece 39 is connected to the fixed upright post 2. The connection strength of the floating bridge unit 1 and the fixed upright post 2 is well improved through the fixing mode of the clamp, the connecting rod and the connecting sheet 39.
The two ends of the connecting sheet 39 are provided with embedded ends 40, the outer wall of the fixed upright post 2 is provided with connecting protrusions 51, an embedded groove 41 is formed between the connecting protrusions 51 and the fixed upright post 2, and the embedded ends 40 are matched with the embedded groove 41. Insert connection piece 39 between clamp and fixed post 2, through the matching effect of embedded end 40 and embedded groove 41, reduce the impact of rivers flow to pontoon unit 1, alleviated the hard impact and the hard friction of fixed post 2 with pontoon unit 1 to effectual fixed post 2 of protection and pontoon unit 1.
Be equipped with half-arc groove 42 on the pontoon unit 1, half-arc groove 42 and clamp phase-match are equipped with connecting block 43 on the clamp, are equipped with connecting hole 44 on the connecting block 43, and connecting hole 44 is connected with connecting screw 45, is equipped with screw hole 46 on the half-arc groove 42, connecting screw 45 and screw hole 46 phase-match.
The clamp is provided with an elastic structure, the elastic structure comprises an elastic sheet 47 and an elastic block 48, the elastic sheet 47 is connected with the elastic block 48, and the elastic block 48 is matched with the fixed upright post 2.
An ecological floating bridge installation method for a landscape river channel of a high lake wetland comprises the following installation steps:
(a) construction preparation: firstly, selecting one place as an address of an ecological floating bridge according to the condition of a landscape river channel of a high lake wetland, then compiling a construction organization design according to a design file, a design drawing, a construction contract and a field condition, preparing construction machine tools and equipment, checking the running condition of the equipment, detecting the construction machine tools in time, then performing trial assembly on the materials and the equipment entering a field, finally setting coordinates, a base line, basic data and elevation control points of the ecological floating bridge on a construction general plane diagram, performing network point measurement by using a theodolite, a level gauge and a steel ruler, establishing construction control points in a construction area of the ecological floating bridge, setting stand columns at the construction control points and establishing a safety partition plate.
(b) Treating the side slope of the river channel: the method comprises the steps of firstly removing stones and weeds at the side slope of the ecological floating bridge construction area, then scattering granular sludge and sediments by using a high-pressure water gun, carrying away the cleaned sundries and spoil by using a truck, then backfilling the soil of the side slope and tamping, then manually throwing stones on the tamped side slope, and carrying out layered stone throwing on the tamped side slope according to the sequence of firstly going up and down, firstly going far and near, and firstly going deep and then shallow.
(c) Installing and fixing the upright post 2: firstly, excavating a rectangular bottom groove at a specified position of the bottom of a riverbed through a dredging ship according to a construction drawing, wherein the middle of the rectangular bottom groove is a construction area; then arranging temporary cofferdams at two sides of a construction area to form an installation platform, lowering a steel casing to the bottom of a river bed in the platform, driving a pier pile under water, pouring a concrete foundation for fixing the upright post 2, and setting the center of the concrete foundation into a cylindrical groove; then, the fixed upright post 2 is arranged in the cylindrical groove and is poured and fixed by concrete; and finally, finishing the fixed installation of the fixed upright post 2 every 5 m distance according to the installation mode.
(d) Installing the floating bridge unit 1: firstly, arranging a connecting device at the top of the fixed upright post 2, and enabling the embedded end 40 of the connecting sheet 39 to be matched and connected with the embedded groove 41 of the fixed upright post 2; then arranging a first floating bridge unit 1 on one side of the connecting device, enabling the semi-circular arc groove 42 of the floating bridge unit 1 to be connected with the hoop of the fixing device 6 in a matching manner, and inserting a connecting screw 45 into a threaded hole 46 of the floating bridge unit 1 for fixed connection; then, another floating bridge unit 1 is arranged on the other side of the connecting device by the same method, the connecting lug 31 of the first floating bridge unit 1 is inserted into the connecting groove 33 of the other floating bridge unit 1, and the guide lug 32 of the first floating bridge unit 1 is inserted into the guide groove 34 of the other floating bridge unit 1, so that the splicing of two adjacent floating bridge units 1 is completed; and finally, the installation of the floating bridge unit 1 is completed according to the splicing mode.
(e) Setting a fixing device 6: one end of a wire rope 26 is connected to the side of the floating bridge unit 1 by an anchor 28, then a fixing rod 27 is provided at the other end of the wire rope 26, and finally the fixing rod 27 is fixed by a fixing pin 29 and a fixing nut 30.
(f) Water quality treatment: firstly, debugging the water quality treatment device 7 to ensure that the water quality treatment device 7 can work normally; then the temporary cofferdam is dismantled to ensure that the river water submerges the water quality treatment device 7; and then, the water inlet pump is opened, water in the river channel is introduced into the water quality treatment device 7 through the water inlet pipe 12 for water quality treatment, after the water quality treatment device 7 finishes water treatment, the water outlet pump is opened, one part of water is supplied to aquatic plants through the water supply pipe, and the other part of water flows back into the river channel again, so that the water quality treatment device 7 performs circulating treatment on the lake water.
The installation method has the advantages of simple construction, short construction period and cost saving, and the constructed ecological floating bridge has the advantages of purifying water quality and air, protecting biological diversity, adjusting microclimate, improving environmental quality and the like. In addition, the method can improve the safety and stability of the construction process, and the ecological floating bridge adjusts the position of the floating bridge unit 1 through the air floating device 8, adapts to the water level change of the river channel, is beneficial to the growth of aquatic plants in the floating bridge unit 1, and has the characteristics of easy operation, low cost, good water quality treatment effect, quick response and the like.
The design principle is as follows:
(1) principle of adjusting local conditions
Different cities have respective special regional differences and construction requirements, the local environmental background needs to be comprehensively considered in the design and planning of the wetland park, and corresponding wetland ecosystems are constructed according to different hydrological and geomorphic environmental conditions. The method fully utilizes the topographic characteristics of the original water environment, reduces the engineering quantity of wetland park reconstruction to the maximum extent, and simplifies the operation management and maintenance procedures after the engineering is completed as much as possible.
(2) Principle of global optimization
The wetland park is composed of a series of wetland ecosystems, has the integrity and the correlation of the structure and the function, organically combines the landscape function of the wetland park with the water purification function, and runs the integral optimization principle through the whole design and transformation process. And the coordination of water purification and ecological protection is needed to be adhered to, and the environmental benefit and the ecological benefit are combined.
(3) Characteristic protection principle
Namely, valuable natural landscapes and historical relics in the park need to be protected, and particularly landscapes which are rich in local characteristics or have special meanings need to be fully utilized and protected.
(4) Principle of safety
The improved design of the urban wetland park should meet the relevant design specifications and requirements of the urban wetland park planning and design guide, and the design of protection, identification, gradient and the like is well carried out to eliminate potential safety hazards and avoid accidents.
(5) Wetland resource protection principle
The balance and stability of various resources such as wetland water, organisms, minerals and the like are maintained, the diversity of wetland biological species is protected, the damage to various resources and ecosystems is avoided, the damage caused by the invasion of foreign species is prevented, the stability and the safety of wetland ecosystems are maintained, and the sustainable development of urban wetland parks is ensured.
The above is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any simple changes, equivalent substitutions or modifications made on the basis of the present invention to solve the same technical problems and achieve the same technical effects are all covered in the protection scope of the present invention.
Claims (5)
1. The utility model provides an ecological pontoon bridge for high lake wetland view river course, includes pontoon bridge unit and fixed post, its characterized in that: the utility model discloses a water quality treatment device, including pontoon unit, planting room, water quality treatment room, water inlet pipe, water outlet pipe, connecting device, floating bridge unit, planting room, water quality treatment room, water outlet pipe, air supporting device, water inlet pipe, medicine flocculation chamber, micro-filtration chamber, water outlet pipe, planting room, air sac, air floatation device, ecological pontoon bridge is formed by the splicing of pontoon unit and fixing stand through connecting device, the pontoon unit includes water quality treatment room and planting room, planting room is located the both sides of water quality treatment room, be equipped with ecological planting groove on the planting room, be equipped with aquatic plant on the ecological planting groove, planting room is connected with fixing device, be equipped with water quality treatment device and air supporting device in the water quality treatment room, water quality treatment device includes first settling chamber, medicine flocculation chamber and micro, The air bag comprises a first air bag and a second air bag, the first air bag is installed on one side in the water quality treatment chamber, the second air bag is installed on the other side in the water quality treatment chamber, the first air bag is connected with a first floating cavity, the second air bag is connected with a second floating cavity, the first floating cavity and the second floating cavity are connected with an inflation pipe, the inflation pipe is connected with an inflation air source, the inflation air source is connected with the inflation motor, the inflation motor is connected with a control box, a joint body is arranged at the joint of the air bag and the floating cavity, an air bag end cover is arranged on the joint body, an air bag protective cover is arranged on the air bag end cover, a sealing assembly is arranged between the air bag end cover and the air bag, the connecting device comprises a clamp, a connecting rod and a connecting sheet, and the clamp comprises a first clamp and a second clamp, the combination rod comprises a first combination rod and a second combination rod, a first lifting lug is arranged on the first clamp, a second lifting lug is arranged on the second clamp, a first combination rod is arranged between the first lifting lug and the second lifting lug, the middle part of the first combination rod is connected with the second combination rod, the second combination rod is connected with the connecting sheet, the connecting sheet is connected with the fixed upright post, embedding ends are arranged at two ends of the connecting sheet, a connecting bulge is arranged on the outer wall of the fixed upright post, an embedding groove is formed between the connecting bulge and the fixed upright post, the embedding ends are matched with the embedding grooves, a semi-arc groove is arranged on the floating bridge unit and is matched with the clamp, a connecting block is arranged on the clamp, a connecting hole is arranged on the connecting block, the connecting hole is connected with a connecting screw, and a threaded hole is arranged on the semi-arc groove, the connecting screw is matched with the threaded hole.
2. The ecological floating bridge for the high lake wetland landscape river channel according to claim 1, which is characterized in that: the fixing device comprises a steel wire rope and a fixing rod, wherein one end of the steel wire rope is provided with an anchor, the anchor is connected with the floating bridge unit, the other end of the steel wire rope is connected with the fixing rod, a fixing hole is formed in the fixing rod, a fixing pin is arranged in the fixing hole, and a fixing nut is arranged between the fixing hole and the fixing pin.
3. The ecological floating bridge for the high lake wetland landscape river channel according to claim 1, which is characterized in that: the one end of pontoon unit is equipped with connecting lug and direction lug, the other end of pontoon unit is equipped with spread groove and guide way, connecting lug with the spread groove phase-match, the direction lug with the guide way phase-match.
4. The ecological floating bridge for the high lake wetland landscape river channel according to claim 1, which is characterized in that: the clamp is provided with an elastic structure, the elastic structure comprises an elastic sheet and an elastic block, the elastic sheet is connected with the elastic block, and the elastic block is matched with the fixed stand column.
5. The installation method of the ecological floating bridge for the high lake wetland landscape river channel, which is disclosed by claim 1, is characterized by comprising the following installation steps:
(a) construction preparation: firstly, selecting one place as an address of an ecological floating bridge according to the condition of a landscape river channel of a high lake wetland, compiling a construction organization design according to a design file, a design drawing, a construction contract and a field condition, preparing construction machine tools and equipment, checking the running condition of the equipment, detecting the construction machine tools in time, performing trial assembly on materials and equipment entering a field, finally setting coordinates, a base line, basic data and elevation control points of the ecological floating bridge on a construction general plane diagram, performing network point measurement by using a theodolite, a level gauge and a steel ruler, establishing construction control points in a construction area of the ecological floating bridge, setting stand columns at the construction control points and establishing a safety partition plate;
(b) treating the side slope of the river channel: removing stones and weeds at the side slope of the ecological floating bridge construction area, scattering granular sludge and sediments by using a high-pressure water gun, carrying away the cleaned sundries and spoil by using a truck, backfilling the soil of the side slope, tamping, and manually throwing stones on the tamped side slope, wherein the stone throwing process is carried out in the sequence of firstly throwing stones up and down, firstly throwing stones far and then near, and firstly throwing stones in layers and secondly throwing stones deeply and shallowly;
(c) installing and fixing the stand column: firstly, excavating a rectangular bottom groove at a specified position of the bottom of a riverbed through a dredging ship according to a construction drawing, wherein the middle of the rectangular bottom groove is a construction area; then arranging temporary cofferdams at two sides of a construction area to form an installation platform, lowering a steel casing to the bottom of a river bed in the platform, driving a pier pile under water, pouring a concrete foundation for fixing a stand column, and setting the center of the concrete foundation into a cylindrical groove; then, the fixed upright post is arranged in the cylindrical groove and is poured and fixed by concrete; finally, finishing the fixed installation of the fixed upright post every 5 m distance according to the installation mode;
(d) installing a floating bridge unit: firstly, arranging a connecting device at the top of a fixed upright post, and enabling the embedded end of a connecting sheet to be matched and connected with an embedded groove of the fixed upright post; then arranging a first floating bridge unit on one side of the connecting device, enabling the semi-circular arc groove of the floating bridge unit to be connected with the hoop of the fixing device in a matching manner, and inserting a connecting screw into the threaded hole of the floating bridge unit for fixed connection; then, another floating bridge unit is arranged on the other side of the connecting device by the same method, the connecting lug of the first floating bridge unit is inserted into the connecting groove of the other floating bridge unit, and the guide lug of the first floating bridge unit is inserted into the guide groove of the other floating bridge unit, so that the splicing of the two adjacent floating bridge units is completed; finally, the installation of the floating bridge unit is completed according to the splicing mode;
(e) setting a fixing device: one end of a steel wire rope is connected to the side face of the floating bridge unit through an anchor, then a fixed rod is arranged at the other end of the steel wire rope, and finally the fixed rod is fixed through a fixed pin and a fixed nut;
(f) water quality treatment: firstly, debugging a water quality treatment device to ensure that the water quality treatment device can work normally; then removing the temporary cofferdam to enable the river water to submerge the water quality treatment device; and then, opening the water inlet pump, leading the water in the river channel into the water quality treatment device through the water inlet pipe for water quality treatment, after the water quality treatment device finishes the water treatment, opening the water outlet pump, supplying one part of water to aquatic plants through a water supply pipe, and reflowing the other part of water into the river channel again, so that the water quality treatment device performs circulating treatment on the lake water.
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| CN108277735A (en) * | 2018-04-10 | 2018-07-13 | 孙翠卿 | Pontoon bridge system for garden landscape area |
| CN110295526B (en) * | 2019-06-14 | 2023-08-18 | 广东工业大学 | Assembled road board for marsh lands and installation method thereof |
| CN110589974B (en) * | 2019-08-28 | 2022-03-15 | 江苏水工建设集团有限公司 | Treatment system and method applied to urban black and odorous river channel |
| CN112723524B (en) * | 2020-12-24 | 2022-09-27 | 中国水电基础局有限公司 | Construction method of biological purification device for plain river sewage treatment |
| CN113860504A (en) * | 2021-08-30 | 2021-12-31 | 郝晓霞 | Wetland ecological remediation device |
| CN114477466B (en) * | 2022-02-25 | 2023-11-03 | 苏州硕亚环保科技有限公司 | Composite fiber floating wetland system |
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