Garden ecological polluted water body restoration equipment
By installing air flotation and flow guiding devices on the mechanical trimming vessel, the fallen aquatic plants were effectively combed and collected, solving the problems of incomplete cutting and scattered collection of aquatic plants, improving the efficiency and quality of restoration operations, and maintaining the ecological balance of the water body.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHEJIANG HONGXIANG GARDENING & AFFORESTING ENG CO LTD
- Filing Date
- 2025-10-28
- Publication Date
- 2026-07-21
AI Technical Summary
Existing mechanical trimming boats are unable to adapt to changes in the lodging of aquatic plants, resulting in incomplete cutting, some aquatic plants not being effectively trimmed, and the scattering of aquatic plants leading to incomplete collection.
An air flotation device is used to release air bubbles to straighten aquatic plants into an upright position. Combined with a cutting device and a flow guiding device, a pretreatment-cutting-collection collaborative working system is formed to ensure that aquatic plants are effectively cut and collected.
It improved the efficiency and neatness of aquatic plant cutting, solved the problem of scattered and incomplete aquatic plant collection, enhanced the efficiency and quality of water body restoration operations, and maintained ecological balance.
Smart Images

Figure CN121428964B_ABST
Abstract
Description
Technical Field
[0001] This application relates to devices for the remediation of polluted water bodies, and more particularly to a device for the remediation of polluted water bodies in garden ecology. Background Technology
[0002] With the acceleration of urbanization, ecological water bodies in garden landscapes have become an important part of the urban ecosystem, not only adding natural beauty to the city, but also playing a key role in regulating climate, purifying air, and providing habitats for organisms.
[0003] Aquatic plants, as an important component of aquatic ecosystems, play a vital role in the restoration of aquatic bodies in gardens. On the one hand, aquatic plants can absorb nutrients such as nitrogen and phosphorus from the water, inhibit algae growth, and improve water quality. On the other hand, aquatic plants provide habitats, breeding grounds, and foraging grounds for aquatic animals, helping to maintain the biodiversity of aquatic ecosystems. In addition, aquatic plants can release oxygen through photosynthesis, increasing the dissolved oxygen content in the water and improving the redox environment of the aquatic body.
[0004] However, when aquatic plants grow too luxuriantly, it can also have a series of negative impacts on the ecological water bodies of gardens. First, excessive aquatic plants will occupy a large amount of water space, obstruct water flow, and affect the water's exchange and self-purification capabilities. In addition, lush aquatic plants are also prone to breeding pests such as mosquitoes, affecting the aesthetics and hygiene of the garden landscape.
[0005] Therefore, regular pruning of aquatic plants in garden ecological water bodies is necessary. Pruning can control the growth density of aquatic plants, maintain the balance of the aquatic ecosystem, and improve water quality and landscape effects. Currently, mechanical pruning boats are commonly used for mechanized pruning operations in garden ecological water bodies. Mechanical pruning boats are a relatively advanced type of aquatic plant pruning equipment, usually equipped with cutting and collection devices, capable of traveling on the water surface to cut and collect aquatic plants.
[0006] However, the underwater environment is complex, and factors such as water flow and waves can cause aquatic plants to fall in unpredictable directions. Most of the cutting devices on existing mechanical trimming boats can only cut in fixed directions and angles, which makes it difficult to adapt to changes in the direction of the falling aquatic plants, resulting in incomplete cutting and the problem that some aquatic plants cannot be effectively trimmed. Summary of the Invention
[0007] The purpose of this application is to provide a garden ecological water pollution remediation device that can effectively trim fallen aquatic plants.
[0008] This application provides a garden ecological water pollution remediation device, which adopts the following technical solution: including:
[0009] A cutting device used to cut aquatic plants;
[0010] A collection device, located behind the cutting device, is used to collect the cut aquatic plants;
[0011] Collection chamber, used to store collected aquatic plants;
[0012] The hull is used to carry the cutting equipment, collection equipment, and collection bins;
[0013] A drive unit, installed on the hull and used to drive the hull to move;
[0014] An air flotation device is installed in front of the cutting device to release air bubbles into the water, so as to straighten the fallen or tilted aquatic plants by the rising action of the air bubbles.
[0015] A flow guiding device is disposed behind the collecting device to guide or divert water flow in the direction from the cutting device toward the collecting device.
[0016] By adopting the above technical solution, a collaborative working system of "pretreatment-cutting-collection" is formed by installing an air flotation device and a collection device in front of the cutting device. The air bubbles released by the air flotation device can straighten the fallen and messy aquatic plants into an upright state, which greatly improves the efficiency and neatness of subsequent cutting; the flow guiding device can generate directional water flow, actively and quickly pushing the cut aquatic plants towards the collection device, effectively solving the technical problems of aquatic plants being scattered and incompletely collected due to buoyancy or water flow, thereby improving the overall efficiency and quality of water body restoration operations.
[0017] Optionally, the hull includes a forward vessel and a rear vessel, the air flotation device is installed on the forward vessel, and the cutting device, collecting device, collecting chamber, driving device, and flow guiding device are all installed on the rear vessel.
[0018] By adopting the above technical solution, there is sufficient distance, space and time between the air flotation device and the cutting device, so that the air flotation device can comb the aquatic plants.
[0019] Optionally, the air flotation device includes an air compressor and an air distribution pipe. One end of the air distribution pipe is connected to the air compressor, and the other end of the pipe wall is provided with several air outlets. The depth of the air distribution pipe underwater is greater than the operating depth of the cutting device.
[0020] By adopting the above technical solution, the depth of the air distribution pipe is set below the operating depth of the cutting device, ensuring that the air bubbles can fully act on the root area of the aquatic plants during their ascent, achieving the most effective combing of the fallen aquatic plants and creating optimal cutting conditions for the cutting device.
[0021] Optionally, the collection device includes a chain conveyor, which is inclined, with one end extending downward into the water and the other end extending above the collection bin; the bearing surface of the chain conveyor is a mesh plate.
[0022] By adopting the above technical solution, using a chain conveyor with its mesh plate as the bearing surface, water and air bubbles can be quickly discharged through the mesh during the lifting of aquatic plants, which significantly reduces the lifting load and energy consumption. At the same time, it avoids the adhesion between the aquatic plants and the conveying surface, ensuring the continuity and efficiency of the conveying.
[0023] Optionally, the flow guiding device includes a flow guide shroud and a propeller, wherein the inlet of the flow guide shroud faces the backwater surface of the collection and conveying mechanism, and its outlet extends toward the rear of the hull.
[0024] The propeller is located inside or behind the flow guide shroud. The propeller can drive water to flow in from the inlet and out from the outlet, thereby forming a negative pressure adsorption zone behind the collection and conveying mechanism.
[0025] By adopting the above technical solution, a stable negative pressure adsorption zone can be formed behind the collection device through the cooperation of the flow guide and the propeller. The water flow generated in this zone can not only actively draw the cut, suspended or settled aquatic plants towards the collection device, improving the collection rate, but also generate a certain auxiliary propulsion force for the equipment, optimizing the energy consumption of the entire vessel.
[0026] Optionally, the propeller includes a motor and two impellers arranged coaxially, the motor driving the two impellers to rotate in opposite directions.
[0027] By adopting the above technical solution, the pumping efficiency of the propeller can be significantly improved, forming a stronger and more concentrated jet of water, thereby enhancing the negative pressure adsorption effect. Furthermore, the counter-rotating impeller can break up and cut air bubbles, allowing more dissolved oxygen to remain in the water. This provides sufficient oxygen for the subsequent self-repair of aquatic plants, effectively mitigating the decrease in water oxygen content caused by the plant restoration process and maintaining ecological balance.
[0028] Optionally, the cutting device includes:
[0029] A comb-shaped guide frame is fixedly installed at the front end of the frame of the collection device. The comb-shaped guide frame is provided with multiple guide teeth that extend laterally, and a combing channel for water plants to enter is formed between adjacent guide teeth.
[0030] The moving blade assembly is slidably engaged with the comb-shaped fixed blade guide frame. The moving blade assembly includes a mounting plate and multiple moving blades arranged parallel to the guide comb teeth. The moving blades are fixedly connected to the mounting plate.
[0031] A reciprocating drive mechanism, mounted on the comb-shaped guide frame, is used to drive the mounting plate to reciprocate, thereby driving the moving blade assembly to reciprocate.
[0032] By adopting the above technical solution, the comb-shaped guide frame of the cutting device and the reciprocating moving blade assembly constitute a shearing mechanism similar to scissors. The guide comb teeth can separate and guide aquatic plants into each combing channel, effectively preventing the aquatic plants from tangling and accumulating; the staggered shearing of the moving blades and guide comb teeth results in neat cuts, high efficiency, and low pulling force on the aquatic plants, making it particularly suitable for cutting tough aquatic plants.
[0033] Optionally, the reciprocating drive mechanism is a crank-slider mechanism, including a crankshaft driven by a drive motor and a connecting rod hinged to the crankshaft. The other end of the connecting rod is hinged to the moving tool assembly, converting the rotational motion of the crankshaft into the linear reciprocating motion of the moving tool assembly.
[0034] By adopting the above technical solution, the crank-slider mechanism is used as the reciprocating drive mechanism, which has a simple structure, mature technology, high transmission efficiency and reliable operation.
[0035] Optionally, an adjustable connecting frame is provided between the front boat and the rear boat, which can adjust the relative distance between the front boat and the rear boat.
[0036] By adopting the above technical solution and adjusting the relative distance and angle between the front and rear boats, it is possible to cope with different aquatic plant growth densities, optimize the relative positions of air flotation combing and cutting collection, always keep the equipment in the best working condition, and expand its application range.
[0037] Optionally, there are multiple air distribution pipes, all of which are detachably and fixedly connected to the rear side of the forward vessel. One end of each pipe is connected to an air compressor, and the other end is vertically downward and then extends laterally to the rear vessel.
[0038] By adopting the above technical solution, the detachable and fixed connection allows the air distribution pipe to be retracted after the operation is completed. When the hull moves forward, the oppositely extending parts of the air distribution pipe can be used to initially comb the aquatic plants, causing the aquatic plants that were leaning to the sides to tilt forward initially, and then stand upright under the action of air bubbles.
[0039] In summary, this application includes at least one of the following beneficial technical effects:
[0040] 1. The sequentially arranged air flotation device, cutting device, and collection device constitute a collaborative "pretreatment-cutting-collection" system. The air bubbles released by the air flotation device can straighten the fallen and tangled aquatic plants into an upright state, greatly improving the efficiency and neatness of subsequent cutting; the flow guiding device can generate directional water flow, actively and quickly pushing the cut aquatic plants towards the collection device, effectively solving the technical problems of aquatic plants being scattered or incompletely collected due to buoyancy or water flow, thereby improving the overall efficiency and quality of water body restoration operations.
[0041] 2. The split hull and adjustable connecting frame design can cope with different aquatic plant growth densities, optimize the relative positions of air flotation combing and cutting collection, and always keep the equipment in the best working condition, thus expanding its application range.
[0042] 3. In addition to grooming aquatic plants, the bubbles generated by the air flotation device are broken up and diffused by the propeller, allowing more dissolved oxygen to remain in the water. This provides sufficient oxygen for the subsequent self-repair of the aquatic plants, effectively mitigating the decrease in water oxygen content caused by the aquatic plant repair process and maintaining ecological balance. Attached Figure Description
[0043] Figure 1 This is a schematic diagram of the overall structure of an embodiment of this application;
[0044] Figure 2 This is a schematic diagram illustrating the structure of the cutting device and the collecting device in an embodiment of this application;
[0045] Figure 3 yes Figure 2 Enlarged view of section A in the middle;
[0046] Figure 4 This is a structural diagram of the thruster used in an embodiment of this application;
[0047] In the diagram, 110 is the front boat; 120 is the rear boat; 121 is the adjustable connecting frame; 122 is the connecting rod; 123 is the sliding sleeve; 125 is the adjusting bolt; 126 is the support rod; 200 is the air flotation device; 210 is the air compressor; 220 is the air distribution pipe; 300 is the cutting device; 310 is the comb-shaped guide frame; 311 is the guide comb teeth; 321 is the mounting plate; 322 is the moving blade; 330 is the reciprocating drive mechanism; 332 is the crankshaft; 333 is the connecting rod; 400 is the collecting device; 410 is the chain conveyor; 500 is the collecting bin; 600 is the flow guiding device; 610 is the flow guide cover; 620 is the propeller; 621 is the motor; 622 is the impeller; 623 is the driving bevel gear; 624 is the rotating shaft; and 625 is the driven bevel gear. Detailed Implementation
[0048] The following is in conjunction with the appendix Figure 1 - AppendixFigure 4 This application will be described in further detail below. Specific Implementation
[0049] This application provides a garden ecological polluted water body remediation device, referring to... Figure 1 and Figure 2 It mainly includes an air flotation device 200, a cutting device 300, a collecting device 400, a flow guiding device 600, and the hull that carries the aforementioned devices.
[0050] The air flotation device 200, cutting device 300, and collection device 400 are arranged sequentially. The air flotation device 200 releases air bubbles into the water to straighten fallen or tilted aquatic plants by their buoyancy, improving the cutting efficiency and uniformity of the cutting device 300. The collection device 400, located behind the cutting device 300, collects the cut aquatic plants. A collection chamber 500 is located behind the collection device 400 to store the collected aquatic plants. A drive unit is installed on the hull to propel the hull.
[0051] The hull adopts a split structure, including a forward vessel 110 and a rear vessel 120. The air flotation device 200 is installed on the forward vessel 110, while the cutting device 300, collection device 400, collection chamber 500, drive unit, and flow guiding device 600 are all installed on the rear vessel 120. This split hull design provides sufficient distance between the air flotation device 200 and the cutting device 300, allowing ample space and time for the air flotation device 200 to comb through the aquatic plants. To reduce the speed difference between the forward vessel 110 and the rear vessel 120, an adjustable connecting frame 121 is provided between them, enabling adjustment of the relative distance between them.
[0052] The adjustable connecting frame 121 includes two connecting rods 122. One end of each connecting rod 122 is hinged to the front hull 110, and the other end is fitted with a sliding sleeve 123. The connecting rods 122 have multiple positioning holes. The sliding sleeve 123 is threaded with an adjusting bolt 125, which passes through the positioning holes and connects to the connecting rod 122. A support rod 126 is hinged to the sliding sleeve 123, and the support rod 126 is fixedly connected to the rear hull 120.
[0053] The air flotation device 200 is installed on the forward vessel 110. It includes an air compressor 210 and multiple air distribution pipes 220. The air distribution pipes 220 are detachably and fixedly connected to the rear side of the forward vessel 110, with one end connected to the air compressor 210 and the other end extending vertically downwards and then laterally towards the rear vessel 120. The lateral portion of the air distribution pipes 220 is densely covered with multiple exhaust holes. The depth of the lateral portion of the air distribution pipes 220 should be greater than that of the cutting device 300, so that the released dense microbubbles, during the ascent process, can fully comb and straighten the aquatic plants from the root area, changing them from a drooping or tilted state to an upright state, preparing them for subsequent cutting.
[0054] Reference Figure 2 and Figure 3 The cutting device 300 is mounted at the front end of the frame of the collecting device 400, and includes:
[0055] Comb-shaped guide frame 310: A rigid frame with multiple parallel, equally spaced guide teeth 311 integrally formed on its front side. The guide teeth 311 form multiple combing channels to perform secondary straightening and guidance on the aquatic plants that have been straightened by the air flotation device 200.
[0056] Moving blade assembly: includes a mounting plate 321 and a set of moving blades 322 fixed thereon. The moving blades 322 are arranged parallel to the guide comb teeth 311. The mounting plate 321 is slidably connected to the rigid frame, and when the mounting plate 321 slides back and forth along its length, it can cut the aquatic plants located in the combing channel.
[0057] Reciprocating drive mechanism 330: This embodiment employs a crank-slider mechanism. It includes a crankshaft 332 driven by a motor and a connecting rod 333 hinged to the crankshaft 332. The other end of the connecting rod 333 is hinged to a mounting plate 321, converting the rotational motion of the crankshaft 332 into the linear reciprocating motion of the moving blade assembly. This causes the moving blade 322 and the guide comb teeth 311 to produce a shearing action similar to scissors, neatly and efficiently cutting the aquatic plants in the channel.
[0058] Reference Figure 2 The collection device 400 is installed on the front side of the stern boat 120 to collect the aquatic plants cut by the cutting device 300.
[0059] The collection device 400 includes a chain conveyor 410, the lower end of which extends underwater to receive the cut aquatic plants; the upper end extends above the collection chamber 500. The conveyor's bearing surface is a mesh chain plate, allowing water to be quickly discharged through the mesh during the lifting of the aquatic plants.
[0060] Reference Figure 1The flow guiding device 600 is installed at the bottom of the aft vessel 120 and is located behind the chain conveyor 410. The flow guiding device 600 includes a flow guide 610 and a propeller 620.
[0061] The deflector 610 is horizontally positioned, with its inlet facing the rear of the lower end of the conveyor and its outlet extending towards the stern. A propeller 620 is installed at the outlet of the deflector 610. The propeller 620 includes a motor 621 and two coaxially arranged impellers 622. The motor 621 drives the two impellers 622 to rotate in opposite directions. A drive bevel gear 623 is mounted on the main shaft of the motor 621. The two impellers 622 are mounted on the same rotating shaft 624, and each impeller 622 is fixedly connected to a driven bevel gear 625. Both driven bevel gears 625 mesh with the drive bevel gear 623.
[0062] By combining the flow guide 610 with the propeller 620, a stable negative pressure adsorption zone can be formed behind the collection device 400. The water flow generated in this zone can not only actively draw the cut, suspended or settled aquatic plants towards the collection device 400, improving the collection rate, but also generate a certain amount of auxiliary propulsion force for the equipment, optimizing the energy consumption of the entire vessel.
[0063] In addition, the counter-rotating impeller 622 can break up and cut the air bubbles, thereby allowing more dissolved oxygen to remain in the water. This provides sufficient oxygen for the subsequent self-repair of aquatic plants, effectively alleviating the decrease in water oxygen content caused by the aquatic plant repair process and maintaining ecological balance.
[0064] The working principle of this embodiment is as follows: the air bubbles released by the flotation device 200 can straighten the fallen and messy aquatic plants into an upright state, greatly improving the efficiency and neatness of subsequent cutting. The straightened aquatic plants are then cut by the cutting device 300. The flow guiding device 600 generates a directional water flow, actively and quickly pushing the cut aquatic plants towards the collection device 400, and finally the collection device 400 transports them into the collection chamber 500.
[0065] The embodiments described in this specific implementation are preferred embodiments of this application and are not intended to limit the scope of protection of this application. Identical components are represented by the same reference numerals. Therefore, all equivalent changes made to the structure, shape, and principle of this application should be covered within the scope of protection of this application.
Claims
1. A garden ecological polluted water body remediation device, comprising: A cutting device (300) is used to cut aquatic plants; A collection device (400), located behind the cutting device (300), is used to collect the cut aquatic plants; Collection tank (500) is used to store collected aquatic plants; The hull is used to carry the cutting device (300), the collection device (400), and the collection bin (500). A drive unit, installed on the hull and used to drive the hull to move; Its characteristic is that it further includes: An air flotation device (200) is located in front of the cutting device (300) and is used to release air bubbles into the water to comb the fallen or tilted aquatic plants by the rising action of the air bubbles, so that they are in a vertical state. A flow guiding device (600) is disposed behind the collecting device (400) for guiding or diverting water flow in the direction from the cutting device (300) toward the collecting device (400); The air flotation device (200) includes an air compressor (210) and an air distribution pipe (220). One end of the air distribution pipe (220) is connected to the air compressor (210), and the other end of the pipe wall is provided with several air outlet holes. The depth of the air distribution pipe (220) underwater is greater than the working depth of the cutting device (300). The flow guiding device (600) includes a flow guide shroud (610) and a propeller (620). The inlet of the flow guide shroud (610) faces the backwater side of the collection device (400), and its outlet extends to the rear of the hull. The propeller (620) is located inside or behind the flow guide (610). The propeller (620) can drive water to flow in from the inlet and out from the outlet, thereby forming a negative pressure adsorption zone behind the collection and conveying mechanism. The propeller (620) includes a motor (621) and two impellers (622) arranged coaxially. The motor (621) drives the two impellers (622) to rotate, and the two impellers (622) rotate in opposite directions.
2. The garden ecological polluted water body remediation equipment according to claim 1, characterized in that, The hull includes a front ship (110) and a rear ship (120). The air flotation device (200) is installed on the front ship (110), and the cutting device (300), collecting device (400), collecting bin (500), driving device and flow guiding device (600) are all installed on the rear ship (120).
3. The garden ecological polluted water body remediation equipment according to claim 1, characterized in that, The collection device (400) includes a chain conveyor, which is inclined, with one end extending downward into the water and the other end extending above the collection bin (500); the bearing surface of the chain conveyor is a mesh plate.
4. The garden ecological polluted water body remediation equipment according to claim 1, characterized in that, The cutting device (300) includes: A comb-shaped guide frame (310) is fixedly installed at the front end of the frame of the collection device (400). The comb-shaped guide frame (310) is provided with multiple guide teeth (311) extending laterally, and a combing channel for water plants to enter is formed between adjacent guide teeth (311). The moving blade assembly slides in cooperation with the comb-shaped guide frame (310). The moving blade assembly includes a mounting plate (321) and multiple moving blades (322) arranged parallel to the guide comb teeth (311). The moving blades (322) are fixedly connected to the mounting plate (321). A reciprocating drive mechanism (330) is installed on the comb-shaped guide frame (310) to drive the mounting plate (321) to reciprocate, thereby driving the moving blade assembly to reciprocate.
5. The garden ecological polluted water body remediation equipment according to claim 4, characterized in that, The reciprocating drive mechanism (330) is a crank-slider mechanism, including a crankshaft (332) driven by a motor and a connecting rod (333) hinged to the crankshaft (332). The other end of the connecting rod (333) is hinged to the moving blade assembly, converting the rotational motion of the crankshaft (332) into the linear reciprocating motion of the moving blade assembly.
6. The garden ecological polluted water body remediation equipment according to claim 2, characterized in that, The connection mechanism between the front boat (110) and the rear boat (120) is an adjustable connecting frame (121), which can adjust the relative distance between the front boat (110) and the rear boat (120).
7. The garden ecological polluted water body remediation equipment according to claim 1, characterized in that, There are multiple air distribution pipes (220), all of which are detachably and fixedly connected to the rear side of the forward vessel (110). One end of each pipe is connected to the air compressor (210), and the other end is vertically downward and then extends laterally to the rear vessel (120).