A cleaning device and method for submerged plants

Abstract

The present invention relates to the field of river channel cleaning, and discloses a cleaning device and method for submerged plants, which have the following characteristics: the present invention utilizes a self-rotating winding roller and sharp thorns to coil the submerged plants, reduces the generation of broken leaves, and integrates the submerged plants to be cleaned together, so as to facilitate the subsequent cleaning of the submerged plants, and by pulling out the submerged plants, it is convenient to control the growth quantity and growth of the submerged plants, and prolong the cleaning frequency, and utilizes a tensioning strip to expand the wound submerged plants and separate the sharp thorns from the submerged plants, so as to prevent the submerged plants from entering the winding roller through the gap between the winding roller and the sharp thorns, and avoid jamming, and can also reduce the resistance between the submerged plants and the winding roller, so as to facilitate the subsequent collection of the cleaned submerged plants.

Description

Technical Field

[0001] The present invention relates to the field of river channel cleaning, and more particularly to a cleaning device and method for submerged plants. Background Art

[0002] Submerged plants refer to plants whose bodies are completely submerged in water. Their roots are sometimes underdeveloped or degenerate. All parts of the plant body can absorb water and nutrients. The aerenchyma is particularly developed, which is conducive to gas exchange in the absence of air in the water. The leaves of this type of plant are mostly ribbon-shaped or filamentous, such as Vallisneria, Dermatophyte, Foxtail Algae, and Hydrilla. Submerged plants are primary producers in aquatic ecosystems and can play a variety of ecological functions. However, excessive nutrients in the water body cause excessive growth of submerged plants, which will have many adverse effects on the ecosystem, such as occupying too much living space to exclude other aquatic organisms, resulting in a lack of sunlight and oxygen in the water body, and ultimately having a negative impact on water quality. Existing submerged plant cleaning devices usually control growth by pruning. However, since most submerged plants are strip-shaped, oval, filamentous or feather-shaped, it is difficult to collect the leaves of submerged plants after pruning, and the leaves are easily retained in the water body, further causing water pollution. Summary of the invention

[0003] In view of the deficiencies in the prior art, the object of the present invention is to provide a cleaning device and method for submerged plants, which utilizes the characteristics of the submerged plants themselves to make them wrap around a winding roller and be pulled out, thereby reducing the leaves remaining in the water body and reducing water pollution.

[0004] To achieve the first objective of the present invention, the present invention provides the following technical solutions:

[0005] A cleaning device for submerged plants, comprising a floating body, a bracket and a winding roller, wherein the bracket is rotatably connected to the floating body, the winding roller is rotatably connected to the bracket, a telescopic member is provided on the floating body, the telescopic member drives the winding roller to turn around the bracket through the bracket, and a rotating driving member is provided on the bracket to drive the winding roller to rotate along an axis.

[0006] The winding roller is provided with a plurality of spikes, and when the winding roller rotates, the winding roller is used for the submerged plants to be wound, and the spikes are slidably connected with the winding roller. A first driving component is provided between the spikes and the winding roller, and the first driving component drives the spikes to be retracted inward or exposed to the winding roller.

[0007] The winding roller is provided with a plurality of tension strips, the tension strips are slidably connected with the winding roller, a second driving assembly is provided between the tension strips and the winding roller, and the second driving assembly drives the tension strips to slide relative to the winding roller to change the winding radius of the winding roller.

[0008] A linkage assembly is provided between the spikes and the tension strip, so that when the spikes are retracted, the tension strips can move away from each other and then move closer to each other.

[0009] In the present invention, preferably, the first driving assembly includes a plurality of first lead screws and connecting plates, the connecting plates and the lead screws correspond one to one, wherein the spikes are fixedly connected to the connecting plates, the first lead screw is rotatably connected to the winding roller, a plurality of first nuts are threadedly connected to the first lead screw, a first connecting rod is rotatably connected between the first nut and the corresponding connecting plate, and when the first lead screw rotates, the first nut drives the connecting plates to move closer to or away from each other through the first connecting rod.

[0010] In the present invention, preferably, the second driving assembly includes a plurality of second lead screws, the second lead screws and the tension strips corresponding one to one, wherein the second lead screws and the winding roller are rotatably connected, a second nut is threadedly connected to the second lead screw, and a second connecting rod is rotatably connected between the second nut and the corresponding tension strip, and when the second lead screw rotates, the second nut drives each of the tension strips to approach or move away from each other through the second connecting rod.

[0011] In the present invention, preferably, the linkage assembly includes a rotating shaft, a driving gear, a first driven gear and a second driven gear, the rotating shaft is rotatably connected to the winding roller, a cleaning drive member for driving the rotating shaft to rotate is provided in the winding roller, the driving gear is coaxially fixedly connected to the rotating shaft, the first driven gear and the second driven gear are respectively meshed with the driving gear, the first driven gear and the first lead screw are coaxially fixedly connected, and the second driven gear and the second lead screw are coaxially fixedly connected.

[0012] In the present invention, preferably, a plurality of cutting blades are slidably connected to the winding roller, the cutting directions of the cutting blades are parallel to the axial direction of the winding roller, the cutting blades arranged at the same end of the winding roller have opposite sliding directions, and each of the cutting blades is driven by pneumatic transmission.

[0013] In the present invention, preferably, a first sprocket is rotatably connected to the bracket, a second sprocket is fixedly connected to the middle of the winding roller, and a chain is wound between the first sprocket and the second sprocket, so that the winding roller and the rotating drive member are driven by the chain.

[0014] In the present invention, preferably, a circulation pump is arranged inside the winding roller, a plurality of circulation inlets are formed on the side wall of the winding roller provided with spikes, a plurality of circulation outlets are formed in the middle of the winding roller, the circulation pump is used to drive water to flow into the winding roller through the circulation inlet and flow out from the circulation outlet, and the flow direction of the circulation outlet is inclined toward the direction close to the end of the winding roller.

[0015] In the present invention, preferably, the flow outlet is arranged to be inclined in the radial direction of the winding roller, and the inclination direction thereof is consistent with the rotation direction of the winding roller.

[0016] To achieve the second purpose of the present invention, the present invention provides the following technical solutions:

[0017] A method for cleaning submerged plants, providing a cleaning device for submerged plants, comprising a floating body, a bracket and a winding roller, wherein the bracket is rotatably connected to the floating body, the winding roller is rotatably connected to the bracket, a telescopic member is provided on the floating body, the telescopic member drives the winding roller to flip around the bracket through the bracket, and a rotating driving member is provided on the bracket to drive the winding roller to rotate along the axis.

[0018] The winding roller is provided with a plurality of spikes, and when the winding roller rotates, the winding roller is used for the submerged plants to be wound, and the spikes are slidably connected with the winding roller. A first driving component is provided between the spikes and the winding roller, and the first driving component drives the spikes to be retracted inward or exposed to the winding roller.

[0019] The winding roller is provided with a plurality of tension strips, the tension strips are slidably connected with the winding roller, a second driving assembly is provided between the tension strips and the winding roller, and the second driving assembly drives the tension strips to slide relative to the winding roller to change the winding radius of the winding roller.

[0020] A linkage assembly is provided between the spikes and the tension strip, so that when the spikes are retracted, the tension strips can move away from each other and then move closer to each other;

[0021] The cleaning method comprises a winding step, a pulling step and a separation step arranged in sequence,

[0022] The winding step includes: the telescopic member is extended to make the bracket flip over until the winding roller reaches a preset cleaning height; the rotating driving member drives the winding roller to rotate so that the submerged plant is coiled around the spike; when the driving resistance on the rotating driving member is greater than the preset resistance, the pulling step is performed;

[0023] The pulling step includes: the rotating driving member continuously provides driving force, and the output end of the telescopic member is shortened so that the winding roller is lifted and turned over to remove the submerged plants, and the cleaning step is performed when the driving resistance on the rotating driving member is less than the preset critical resistance.

[0024] The separation step includes: the linkage component drives the first drive component and the second drive component to work synchronously, the first drive component drives the spikes to slide into the inside of the winding roller, and the second drive component drives the tension strips to move away from each other to expand the winding radius of the winding roller to allow the submerged plants to separate from the spikes, and then the tension strips move closer to each other to reduce the winding radius of the winding roller.

[0025] In the present invention, preferably, a cleaning device for submerged plants is provided, wherein a circulation pump is arranged inside the winding roller, a plurality of circulation inlets are formed on the side wall of the winding roller provided with spikes, a plurality of circulation outlets are formed in the middle of the winding roller, the circulation direction of the circulation outlets is inclined toward the direction close to the end of the winding roller, the circulation outlets are inclined in the radial direction of the winding roller, and the inclination direction thereof is consistent with the rotation direction of the winding roller,

[0026] The cleaning method also includes a water flow assisting step, which is performed synchronously with the winding step. The circulation pump pumps water into the winding roller through the circulation inlet and flows out from the circulation outlet to form an auxiliary circulation. The flow direction of the auxiliary circulation in the circumferential direction is consistent with the rotation direction of the winding roller.

[0027] Beneficial effects of the present invention:

[0028] 1. The present invention uses a self-rotating winding roller and spikes to coil the submerged plants, thereby reducing the generation of broken leaves and integrating the submerged plants to be cleaned together, so as to facilitate the subsequent cleaning of the submerged plants. In addition, by pulling out the submerged plants, it is convenient to control the growth quantity and growth of the submerged plants and extend the cleaning frequency;

[0029] 2. The present invention uses the arrangement of spikes and tension strips to first use the tension strips to expand the wound submerged plants and separate the spikes from the submerged plants, thereby preventing the submerged plants from entering the winding roller through the gap between the winding roller and the spikes, thereby preventing jamming. In addition, the resistance between the submerged plants and the winding roller can be reduced, so as to facilitate the subsequent collection of the cleaned submerged plants.

[0030] 3. The present invention, through the setting of a circulation pump, utilizes the water flow at the circulation inlet to provide guidance for the submerged plants, promotes the winding of the submerged plants, and utilizes the water flow direction at the circulation outlet to reduce the interference between the submerged plants and the second sprocket and the chain, thereby improving the overall stability of the device, and utilizes the setting of the flow outlet direction to form an auxiliary slow flow, thereby reducing the rotational resistance to the winding roller. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0032] Figure 2 It is a schematic diagram of the overall structure of the winding roller in the present invention;

[0033] Figure 3 It is a schematic diagram of the cross-sectional structure of the winding roller in the present invention.

[0034] Reference numerals:

[0035] 1. Winding roller; 11. Spike; 111. Connecting plate; 12. Tensioning strip; 13. Second sprocket; 2. Bracket; 3. Floating body; 4. Telescopic member; 5. First lead screw; 51. First nut; 511. First connecting rod; 52. First driven gear; 6. Second lead screw; 61. Second nut; 611. Second connecting rod; 62. Second driven gear; 7. Rotating shaft; 71. Driving gear; 72. Cleaning drive member. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] It should be noted that when a component is referred to as being "fixed to" another component, it may be directly on the other component or there may also be a component centered. When a component is considered to be "connected to" another component, it may be directly connected to the other component or there may also be a component centered. When a component is considered to be "set on" another component, it may be directly set on the other component or there may also be a component centered. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0038] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention belongs. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0039] Please also see Figures 1 to 3The present embodiment provides a cleaning device for submerged plants, comprising a floating body 3, a bracket 2 and a winding roller 1. The bracket 2 is rotatably connected to the floating body 3, and the winding roller 1 is rotatably connected to the bracket 2. The bracket 2 is connected to the middle of the winding roller 1 so that the two ends of the winding roller 1 are exposed, so as to facilitate the subsequent cleaning of the submerged plants on the winding roller 1. In this embodiment, the two ends of the winding roller 1 are symmetrically arranged. A telescopic member 4 is arranged on the floating body 3, and the telescopic member 4 drives the winding roller 1 to flip around the bracket 2 through the bracket 2. A rotating driving member (not shown in the figure) is arranged on the bracket 2 to drive the winding roller 1 to rotate along the axis. A first sprocket (not shown in the figure) is rotatably connected to the bracket 2, and a second sprocket 13 is fixedly connected to the middle of the winding roller 1. A chain (not shown in the figure) is coiled between the first sprocket and the second sprocket 13, so that the winding roller 1 and the rotating driving member are driven by the chain. The chain drive method is mainly used because the winding roller 1 needs to work underwater and needs to avoid slipping. At the same time, since the bracket 2 itself will also rotate, it is necessary to ensure that the connection relationship between the various structures is stable during the rotation of the bracket 2. Therefore, chain drive is selected and can carry a larger load.

[0040] The winding roller 1 is provided with a plurality of spikes 11. When the winding roller 1 rotates, the winding roller 1 is provided with submerged plants for winding. The spikes 11 are slidably connected to the winding roller 1. A first driving assembly is provided between the spikes 11 and the winding roller 1. The first driving assembly drives the spikes 11 to be retracted or exposed to the winding roller 1. The first driving assembly includes a plurality of first lead screws 5 and connecting plates 111. The connecting plates 111 correspond to the lead screws one by one. The spikes 11 are fixedly connected to the connecting plates 111. The first lead screws 5 are rotatably connected to the winding roller 1. A plurality of first nuts 51 are threadedly connected to the first lead screws 5. A first connecting rod 511 is rotatably connected between the first nuts 51 and the corresponding connecting plates 111. When the first lead screw 5 rotates, the first nuts 51 drive the connecting plates 111 to approach or move away from each other through the first connecting rod 511. The specific function of the spikes 11 in this embodiment is to make the submerged plants coiled around the winding roller 1, so as to facilitate the complete removal of the submerged plants.

[0041] A plurality of tension strips 12 are arranged on the winding roller 1, and the tension strips 12 are slidably connected with the winding roller 1. A second driving assembly is arranged between the tension strips 12 and the winding roller 1, and the second driving assembly drives the tension strips 12 to slide relative to the winding roller 1 to change the winding radius of the winding roller 1. The second driving assembly includes a plurality of second lead screws 6, and the second lead screws 6 correspond to the tension strips 12 one by one, wherein the second lead screws 6 are rotatably connected with the winding roller 1, and a second nut 61 is threadedly connected to the second lead screw 6, and a second connecting rod 611 is rotatably connected between the second nut 61 and the corresponding tension strip 12. When the second lead screw 6 rotates, the second nut 61 drives each tension strip 12 to approach or move away from each other through the second connecting rod 611. In this embodiment, the motion trajectory of the tension strip 12 includes two parts: sliding toward the outside of the winding roller 1 and sliding toward the inside of the tension roller. The tensioning strip 12 has two main functions. One is to make the submerged plant separate from the spike 11 after winding, so as to prevent the leaves of the submerged plant from entering the winding roller 1 through the gap between the spike 11 and the winding roller 1 when the spike 11 slides. The other function is to make the winding roller 1 and the submerged plant loose, so as to facilitate the subsequent separation step. The outer diameter of the winding roller 1 decreases from the middle to the two ends, so as to make the submerged plant after winding escape from the two ends of the winding roller 1.

[0042] A linkage assembly is provided between the spike 11 and the tension strip 12, so that when the spike 11 is retracted, the tension strip 12 can move away from each other and then move closer to each other. The linkage assembly includes a rotating shaft 7, a driving gear 71, a first driven gear 52 and a second driven gear 62. The rotating shaft 7 is rotatably connected to the winding roller 1. A cleaning driving member 72 for driving the rotating shaft 7 to rotate is provided in the winding roller 1. The driving gear 71 is coaxially fixedly connected to the rotating shaft 7. The first driven gear 52 and the second driven gear 62 are respectively meshed with the driving gear 71. The first driven gear 52 and the first lead screw 5 are coaxially fixedly connected. The second driven gear 62 and the second lead screw 6 are coaxially fixedly connected. The setting of the linkage assembly facilitates synchronous control of the spike 11 and the tension strip 12, and due to the limitations of the working environment and the connection part, setting a driving source can save space. In addition, the relative motion relationship between the spike 11 and the tension strip 12 can be achieved by changing the pitch ratio between the first screw 5 and the second screw 6, the initial angle relationship between the first connecting rod 511 and the second connecting rod 611, the rotation speed relationship between the first screw 5 and the second screw 6, and other conditions.

[0043] A circulation pump is arranged inside the winding roller 1. A plurality of circulation inlets are formed on the side wall of the winding roller 1 provided with spikes 11. A plurality of circulation outlets are formed in the middle of the winding roller 1. The circulation pump is used to drive water to flow into the winding roller 1 through the circulation inlet and flow out from the circulation outlet. The circulation direction of the circulation outlet is inclined toward the direction close to the end of the winding roller 1. The circulation outlet is arranged obliquely in the radial direction of the winding roller 1, and its inclination direction is consistent with the rotation direction of the winding roller 1. The setting principle of the circulation pump is to provide guidance for the moving direction of the submerged plants through the action of water flow, which is mainly reflected in two aspects: first, at the position of the circulation inlet, the circulation inlet in this embodiment coincides with the position where the spikes 11 are located, that is, it is located at the gap position between the spikes 11 and the winding roller 1, and the leaves of the submerged plants are made to lean against the surface of the winding roller 1 by the inflow of water flow, thereby improving the winding effect of the submerged plants; second, at the position of the circulation outlet, the outflow of water flow can guide the submerged plants to the direction where the spikes 11 are located, that is, the two sides of the second sprocket 13, thereby reducing the influence of the submerged plants on the chain drive, and at the same time, it can also reduce the resistance to the rotation of the winding roller 1. The flow outlet can be directly fixed on the surface of the winding roller 1 by a water outlet pipe connected to the flow pump, or a hole can be directly opened on the surface of the winding roller 1.

[0044] Several cutting blades (not shown in the figure) are slidably connected to the winding roller 1. The cutting direction of the cutting blades is parallel to the axial direction of the winding roller 1. There is no special requirement for the specific position of the cutting blades. Since the thickness of the cutting blades themselves is relatively small, notches can be directly opened on the side walls of the winding roller 1, or they can be directly installed using the gap between the tension strip 12 and the winding roller 1. The cutting blades arranged at the same end of the winding roller 1 have opposite sliding directions. This arrangement allows the cutting blades to cut off the submerged plants after the winding is completed, which facilitates the cleaning of the winding roller 1. Each of the cutting blades is driven by pneumatic transmission. Specifically, a plurality of air bags can be arranged, each of which is connected to a cutting blade. The sliding directions of the plurality of cutting blades are opposite so that the overall volume between the plurality of air bags remains unchanged, and the sliding of the cutting blades is changed by controlling the gas flow direction.

[0045] This embodiment also provides a cleaning device and method for submerged plants, and provides a cleaning device for submerged plants, the specific structure of which is as described above. The cleaning method includes a winding step, a pulling step and a separation step arranged in sequence.

[0046] The winding step is specifically as follows: the telescopic member 4 is extended to make the bracket 2 flip over until the winding roller 1 reaches a preset cleaning height, the rotating driving member drives the winding roller 1 to rotate so that the submerged plant is coiled around the spike 11, and the pulling step is performed when the driving resistance on the rotating driving member is greater than the preset resistance;

[0047] The pulling step is specifically as follows: the rotating driving member continuously provides driving force, and the output end of the telescopic member 4 is shortened so that the winding roller 1 is lifted and turned over to remove the submerged plants, and the cleaning step is performed when the driving resistance on the rotating driving member is less than the preset critical resistance;

[0048] The separation step is specifically as follows: the linkage component drives the first drive component and the second drive component to work synchronously, the first drive component drives the spikes 11 to slide into the winding roller 1, and at the same time the second drive component drives the tension strips 12 to move away from each other to expand the winding radius of the winding roller 1 so that the submerged plants can be separated from the spikes 11, and then the tension strips 12 move closer to each other to reduce the winding radius of the winding roller 1.

[0049] In addition, the cleaning method also includes a water flow assisting step, which is performed synchronously with the winding step. The circulation pump pumps water into the winding roller 1 through the circulation inlet and flows out from the circulation outlet to form an auxiliary circulation. The flow direction of the auxiliary circulation in the circumferential direction is consistent with the rotation direction of the winding roller 1.

[0050] Working principle:

[0051] When cleaning submerged plants, first use the telescopic assembly to flip the bracket 2 so that the winding roller 1 flips to the preset cleaning height, the rotating drive member drives the winding roller 1 to rotate, and the circulation pump works to pump water in from the circulation inlet and out from the circulation outlet to promote the winding of the submerged plants. When the driving resistance on the rotating drive member is greater than the preset resistance, the rotating drive member continues to provide driving force, the output end of the telescopic member 4 is shortened to make the winding roller 1 lift and flip, so as to pull out the submerged plants. When the driving resistance on the rotating drive member is less than the preset critical resistance, it indicates that the submerged plants have been pulled out. The cleaning drive member 72 drives the rotating rod to rotate, and drives the first screw 5 and the second screw 6 to rotate through the driving gear 71, the first driven gear 52, and the second driven gear 62, so that the first nut 51 and the second nut 61 slide to the right in the axial direction of the first screw 5 and the second screw 6, and the first connecting rod 511 drives the spike 11 to gradually retract inward, and the second connecting rod 611 first drives the tensioning strip 12 to move outward, and then retracts it inward, until the spike 11 and the tensioning strip 12 are both built into the winding roller 1. At this time, the submerged plants wrapped around the winding roller 1 can be manually removed completely.

[0052] The above are only preferred embodiments of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A cleaning device for submerged plants, characterized in that: The invention comprises a floating body (3), a bracket (2) and a winding roller (1), wherein the bracket (2) and the floating body (3) are rotationally connected, and the winding roller (1) and the bracket (2) are rotationally connected. A telescopic member (4) is provided on the floating body (3), and the telescopic member (4) drives the winding roller (1) to turn around the bracket (2) through the bracket (2). The bracket (2) is provided with a rotating driving member to drive the winding roller (1) to rotate along an axis. The winding roller (1) is provided with a plurality of spikes (11). When the winding roller (1) rotates, the winding roller (1) is provided with submerged plants for winding. The spikes (11) are slidably connected to the winding roller (1). A first driving component is provided between the spikes (11) and the winding roller (1). The first driving component drives the spikes (11) to be retracted inward or exposed to the winding roller (1). A plurality of tension strips (12) are arranged on the winding roller (1), the tension strips (12) are slidably connected to the winding roller (1), a second driving component is arranged between the tension strips (12) and the winding roller (1), and the second driving component drives the tension strips (12) to slide relative to the winding roller (1) to change the winding radius of the winding roller (1). A linkage assembly is provided between the spike (11) and the tension strip (12), so that when the spike (11) is retracted, the tension strip (12) can move away from each other and then move closer to each other; A circulation pump is arranged inside the winding roller (1), a plurality of circulation inlets are formed on the side wall of the winding roller (1) provided with spikes (11), a plurality of circulation outlets are formed in the middle of the winding roller (1), the circulation pump is used to drive water to flow into the winding roller (1) through the circulation inlets and flow out from the circulation outlets, and the circulation direction of the circulation outlets is inclined in a direction close to the end of the winding roller (1).

2. A cleaning device for submerged plants according to claim 1, characterized in that: The first driving assembly comprises a plurality of first lead screws (5) and connecting plates (111), wherein the connecting plates (111) and the lead screws correspond to each other one by one, wherein the spike (11) is fixedly connected to the connecting plate (111), the first lead screw (5) is rotatably connected to the winding roller (1), a plurality of first nuts (51) are threadedly connected to the first lead screw (5), a first connecting rod (511) is rotatably connected between the first nut (51) and the corresponding connecting plate (111), and when the first lead screw (5) rotates, the first nut (51) drives the connecting plates (111) to move closer to or farther away from each other through the first connecting rod (511).

3. A cleaning device for submerged plants according to claim 2, characterized in that: The second driving assembly comprises a plurality of second lead screws (6), wherein the second lead screws (6) correspond to the tension strips (12) one by one, wherein the second lead screws (6) are rotationally connected to the winding roller (1), a second nut (61) is threadedly connected to the second lead screw (6), and a second connecting rod (611) is rotationally connected between the second nut (61) and the corresponding tension strip (12), and when the second lead screw (6) rotates, the second nut (61) drives each tension strip (12) to approach or move away from each other through the second connecting rod (611).

4. A cleaning device for submerged plants according to claim 3, characterized in that: The linkage assembly comprises a rotating shaft (7), a driving gear (71), a first driven gear (52) and a second driven gear (62); the rotating shaft (7) is rotatably connected to the winding roller (1); a cleaning driving member (72) for driving the rotating shaft (7) to rotate is arranged in the winding roller (1); the driving gear (71) is coaxially fixedly connected to the rotating shaft (7); the first driven gear (52) and the second driven gear (62) are respectively meshed with the driving gear (71); the first driven gear (52) and the first lead screw (5) are coaxially fixedly connected; and the second driven gear (62) and the second lead screw (6) are coaxially fixedly connected.

5. The cleaning device for submerged plants according to claim 1, characterized in that: The winding roller (1) is slidably connected to a plurality of cutting blades, the cutting directions of the cutting blades being parallel to the axial direction of the winding roller (1), the sliding directions of the cutting blades arranged at the same end of the winding roller (1) being opposite, and the cutting blades are driven by air pressure.

6. The cleaning device for submerged plants according to claim 1, characterized in that: A first sprocket is rotatably connected to the bracket (2), a second sprocket (13) is fixedly connected to the middle of the winding roller (1), and a chain is wound between the first sprocket and the second sprocket (13), so that the winding roller (1) and the rotating drive member are driven by the chain.

7. The cleaning device for submerged plants according to claim 1, characterized in that: The flow outlet is arranged obliquely in the radial direction of the winding roller (1), and its inclination direction is consistent with the rotation direction of the winding roller (1).

8. A method for cleaning submerged plants, characterized in that: Provided is a cleaning device for submerged plants, comprising a floating body (3), a support (2) and a winding roller (1), wherein the support (2) and the floating body (3) are rotatably connected, and the winding roller (1) and the support (2) are rotatably connected, and a telescopic member (4) is provided on the floating body (3), and the telescopic member (4) drives the winding roller (1) to turn around the support (2) through the support (2), and a rotating driving member is provided on the support (2) to drive the winding roller (1) to rotate along an axis. The winding roller (1) is provided with a plurality of spikes (11). When the winding roller (1) rotates, the winding roller (1) is provided with submerged plants for winding. The spikes (11) are slidably connected to the winding roller (1). A first driving component is provided between the spikes (11) and the winding roller (1). The first driving component drives the spikes (11) to be retracted inward or exposed to the winding roller (1). A plurality of tension strips (12) are arranged on the winding roller (1), the tension strips (12) are slidably connected to the winding roller (1), a second driving component is arranged between the tension strips (12) and the winding roller (1), and the second driving component drives the tension strips (12) to slide relative to the winding roller (1) to change the winding radius of the winding roller (1). A linkage assembly is provided between the spike (11) and the tension strip (12), so that when the spike (11) is retracted, the tension strip (12) can move away from each other and then move closer to each other; The cleaning method comprises a winding step, a pulling step and a separation step arranged in sequence, The winding step includes: the telescopic member (4) is extended so that the support (2) is flipped over until the winding roller (1) reaches a preset cleaning height; the rotating driving member drives the winding roller (1) to rotate so that the submerged plant is coiled around the spike (11); when the driving resistance on the rotating driving member is greater than the preset resistance, a pulling step is performed; The lifting step includes: the rotating drive member continuously provides driving force, and the output end of the telescopic member (4) is shortened so that the winding roller (1) is lifted and turned over to remove the submerged plants, and the cleaning step is performed when the driving resistance on the rotating drive member is less than a preset critical resistance. The separation step includes: the linkage assembly drives the first drive assembly and the second drive assembly to work synchronously, the first drive assembly drives the spike (11) to slide into the interior of the winding roller (1), and the second drive assembly drives the tension strips (12) to move away from each other to expand the winding radius of the winding roller (1) so that the submerged plants can be separated from the spike (11), and then the tension strips (12) move closer to each other to reduce the winding radius of the winding roller (1).

9. A method for cleaning submerged plants according to claim 8, characterized in that: Provided is a cleaning device for submerged plants, wherein a circulation pump is arranged inside the winding roller (1), a plurality of circulation inlets are formed on the side wall of the winding roller (1) provided with spikes (11), a plurality of circulation outlets are formed in the middle of the winding roller (1), the circulation direction of the circulation outlets is inclined toward the direction close to the end of the winding roller (1), the circulation outlets are arranged inclined in the radial direction of the winding roller (1), and the inclination direction is consistent with the rotation direction of the winding roller (1), The cleaning method also includes a water flow assisting step, which is performed synchronously with the winding step. The circulation pump pumps water into the winding roller (1) through the circulation inlet and flows out from the circulation outlet to form an auxiliary circulation. The flow direction of the auxiliary circulation in the circumferential direction is consistent with the rotation direction of the winding roller (1).

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