CN109837877B

CN109837877B - Duckweed cleaning device

Info

Publication number: CN109837877B
Application number: CN201910147677.0A
Authority: CN
Inventors: 徐智刚; 吕立华; 王世贤; 刘汪洋
Original assignee: Zhejiang Shuizhuan Engineering Construction Supervision Co ltd
Current assignee: Zhejiang Shuizhuan Engineering Construction Supervision Co ltd
Priority date: 2019-02-27
Filing date: 2019-02-27
Publication date: 2020-12-29
Anticipated expiration: 2039-02-27
Also published as: CN109837877A

Abstract

The invention discloses a duckweed cleaning device, and relates to the field of river channel treatment. The device comprises a cleaning ship, wherein a collecting bin is arranged on the cleaning ship, a drain pipe communicated with the lower end of the collecting bin is arranged on the side wall of the cleaning ship, a supporting seat is further arranged at the front end of the cleaning ship, a rotating shaft is horizontally and rotatably connected to the supporting seat, and a motor for driving the rotating shaft to rotate is arranged on the supporting seat; the outer wall equipartition of pivot has a plurality of salvage pieces, salvages the length direction setting of piece along the pivot to salvage the piece and be circular-arc, and deviate from one side orientation collection storehouse direction bending of pivot. The invention has the following advantages and effects: adopt automatic cleaning device to clear up the collection to duckweed, perfect replacement manual work is salvaged to reduction workman's intensity of labour by a wide margin, make the clearance process of duckweed light more convenient, reached the effect of conveniently clearing up the duckweed.

Description

Duckweed cleaning device

Technical Field

The invention relates to the field of river channel treatment, in particular to a duckweed cleaning device.

Background

Duckweed is a general name of plants in the duckweed family, grows on water surface, is widely distributed in many water areas in China, has high growth speed and wide propagation range, can directly cover the whole lake surface or pond surface in the growth and explosion period, consumes oxygen in water, leads fishes and shrimps to die greatly, and seriously influences the ecological environment.

However, the traditional duckweed cleaning method usually adopts a manual fishing mode, namely, workers carry a fishing net and drive a fishing boat to run on the river surface, so that duckweeds are fished by using the fishing net. The labor intensity of workers is increased, so that the cleaning process of the duckweed is inconvenient and needs to be improved.

Disclosure of Invention

The invention aims to provide a duckweed cleaning device which has the effect of conveniently cleaning duckweeds.

The technical purpose of the invention is realized by the following technical scheme: a duckweed cleaning device comprises a cleaning boat, wherein a collection bin is arranged on the cleaning boat, a drain pipe communicated with the lower end of the collection bin is arranged on the side wall of the cleaning boat, a supporting seat is further arranged at the front end of the cleaning boat, a rotating shaft is horizontally and rotatably connected to the supporting seat, and a motor for driving the rotating shaft to rotate is arranged on the supporting seat; the outer wall equipartition of pivot has a plurality of salvage pieces, salvage the piece and follow the length direction of pivot sets up, and it is circular-arc to salvage the piece, and deviates from the one end orientation of pivot it is crooked to collect the storehouse direction.

Through adopting above-mentioned technical scheme, when using the duckweed of above-mentioned device clearance river face, the drive clearance ship goes on the river face, utilizes motor drive pivot to collect the storehouse orientation rotation towards simultaneously, and the pivot drives salvage piece synchronous motion. At the moment, the salvaging pieces lift the duckweeds on the river surface, the duckweeds are thrown into the collection bin under the action of centrifugal force, and finally the duckweeds are taken out of the collection bin, so that the cleaning work of the duckweeds can be completed. Compared with the traditional manual fishing mode, the automatic cleaning device is adopted to clean and collect the duckweeds, the labor intensity of workers is greatly reduced, the cleaning process of the duckweeds is easier and more convenient, and the effect of conveniently cleaning the duckweeds is achieved.

The invention is further provided with: the salvaging piece comprises a frame and a salvaging net arranged on the frame.

Through adopting above-mentioned technical scheme, constitute the piece of salvaging through setting up frame and salvage the net for when salvaging duckweed, river water can leak down smoothly along the mesh of salvage the net, avoids salvaging the piece and carries too much water, thereby has improved the salvage effect of duckweed.

The invention is further provided with: the up end of clearance ship is provided with a pair of bracing piece, and is a pair of the bracing piece distribute in collect the both sides in storehouse, and is a pair of the slope is provided with the deflector between the bracing piece, the upper end of deflector is located the top of pivot, and the lower extreme is located collect the top in storehouse.

Through adopting above-mentioned technical scheme, when salvaging the piece and throw the duckweed, supply the duckweed striking through the deflector that sets up the slope for in the collection storehouse can be fallen into smoothly to the duckweed, avoid the duckweed to splash to the clearance ship or fall back the river water again in, thereby improved the salvage effect of duckweed.

The invention is further provided with: a pressing plate is connected in the collection bin in a sliding manner, an air cylinder used for driving the pressing plate to reciprocate up and down is arranged on the cleaning ship, the pressing plate comprises a first plate body driven by the air cylinder and a second plate body hinged to the side wall of the first plate body, and the second plate body is close to the supporting seat; the lateral wall of second plate body rotates and is connected with the leading wheel, the inner wall of collecting the storehouse is provided with the confession the guide way of leading wheel embedding that slides, the guide way include the vertical bar groove that sets up and communicate in the ring channel of bar groove upper end.

Through adopting above-mentioned technical scheme, when duckweed accumulates gradually in collecting the storehouse, start the cylinder and promote first plate body lapse, first plate body drives second plate body synchronous motion, and the second plate body drives the leading wheel and slides along the ring channel inner wall earlier simultaneously, and the second plate body upwards overturns along articulated department gradually this moment. And when the guide wheel moves to the communicating part of the annular groove and the strip-shaped groove, the first plate body and the second plate body are in a horizontal state. The cylinder drives the first plate body and the second plate body to slide downwards together, the guide wheel slides downwards along the inner wall of the strip-shaped groove at the moment, and then fluffy duckweeds are compacted through the first plate body and the second plate body. After the duckweed is compacted, drive first plate body and second plate body upward movement again, the second plate body drives the leading wheel earlier upwards along the inner wall in bar groove this moment, until the leading wheel move to the ring channel with the intercommunication department in bar groove after, the leading wheel slides along the ring channel inner wall, and the second plate body overturns downwards along articulated department gradually, and then makes the duckweed of second plate body up end along the landing of second plate body up end to collecting the storehouse in, so relapse, realize the compaction of duckweed. And then utilize the clamp plate to carry out real-time compaction to duckweed, reduced the occupation space of duckweed, the storage space of more abundant utilization collection storehouse has reduced the number of times that the workman cleared away duckweed from collecting the storehouse to reduce workman's intensity of labour, make the clearance ship can be long-time salvage duckweed.

The invention is further provided with: the first plate body is provided with a stop strip for abutting against the upper end face of the second plate body.

Through adopting above-mentioned technical scheme, contradict in the up end of second plate body through setting up the blend stop, increase the structural strength of first plate body and the articulated department of second plate body, increased the bearing capacity of second plate body, and then avoid rupture phenomenon to appear in junction between them, improved the life of whole clamp plate.

The invention is further provided with: the lower terminal surface of first plate body and the second plate body is provided with a plurality of cutters.

Through adopting above-mentioned technical scheme, when first plate body and second plate body compaction duckweed, first plate body and second plate body drive cutter synchronous motion utilize the cutter to shred the bold duckweed this moment, have further reduced the occupation space of duckweed to further reduce the number of times that the duckweed was taken out from collecting the storehouse, reduced workman's intensity of labour.

The invention is further provided with: the utility model discloses a collection storehouse, including the storehouse, the storehouse is collected to the clearance ship lateral wall, the clearance ship lateral wall is provided with the intercommunication the inside bin outlet of collection storehouse, the clearance ship outer wall is provided with the cover the closing plate of bin outlet, the lower extreme of closing plate articulate in the clearance ship outer wall, and the upper end is provided with and is used for being fixed in its sticking department on the clearance ship.

Through adopting above-mentioned technical scheme, when needs take out duckweed from collecting the storehouse, remove the sticking part, then drive sealing plate along articulated department upset downwards, the bin outlet is opened gradually this moment. And then the compacted duckweeds are hooked out by utilizing a rake, so that the duckweeds can be cleaned. And then the sealing plate is driven to turn upwards until the discharge opening is covered, and the locking part is locked to realize the sealing of the discharge opening. Thereby the course that the duckweed was taken out from collecting bin is more light convenient.

The invention is further provided with: the locking part comprises a locking plate arranged on the side wall of the upper end of the sealing plate, the outer wall of the cleaning ship is provided with a locking hole for the locking plate to be embedded in, the locking plate is provided with an elastic hook, and the inner wall of the locking hole is provided with a locking groove for the elastic hook to be embedded in; the sealing plate and the locking plate are provided with fixing holes communicated with each other in a penetrating manner, fixing rods are connected in the fixing holes in a sliding manner, one ends, located outside the sealing plate, of the fixing rods are provided with pull rings, the other ends of the fixing rods are provided with a pair of connecting rods, one ends of the pair of connecting rods are hinged to the fixing rods, and the other ends of the pair of connecting rods are hinged to the inner side walls of the pair of elastic clamping hooks respectively.

Through adopting above-mentioned technical scheme, when opening the closing plate, the pulling ring outwards moves, and the pulling ring drives the outside motion of dead lever to the drive connecting rod is close to each other, and connecting rod pulling elasticity pothook is close to each other this moment. When the elastic clamping hook is separated from the locking groove and embedded into the locking hole, the elastic clamping hook can be driven to slide outwards along the inner wall of the locking hole, so that the releasing of the locking part and the opening of the discharge opening are realized. When the sealing plate is closed, the elastic clamping hooks are pressed to be close to each other, the elastic clamping hooks are embedded into the locking holes, then the sealing plate is pressed to be close to the cleaning boat, and therefore the locking plate and the elastic clamping hooks are driven to slide inwards along the inner wall of the locking holes. When the sealing plate butts against the outer wall of the cleaning ship, the elastic clamping hook is separated from the locking hole and is elastically opened to be embedded into the locking groove, so that the locking of the locking part and the closing of the discharge port are realized. The locking part has a simple structure, and the locking and unlocking processes are convenient and quick, so that the opening and closing process of the discharge opening is easier and more convenient.

The invention is further provided with: the fixed rod comprises a first rod body for hinging the connecting rod and a second rod body for fixing the pull ring, and the outer wall of one end, close to the pull ring, of the second rod body is connected to the fixed hole in a threaded mode; the tip of the first body of rod is provided with the gag lever post, the tip of the second body of rod is provided with the confession the spacing hole that the gag lever post slided, the tip of gag lever post is provided with the circular shape limiting plate, spacing downthehole confession the spacing chamber that the limiting plate slided.

Through adopting above-mentioned technical scheme, when the locking part locking, the rotation pull ring is close to the closing plate, and the pull ring drives the second body of rod simultaneous movement this moment to screw in the fixed orifices gradually. Limiting plate on the gag lever post slides along spacing intracavity wall simultaneously, and when the limiting plate contradicts spacing chamber diapire, the stall pull ring through screw-thread fit's the second body of rod and fixed orifices this moment, realizes the fixed of whole dead lever to realize that the fixed of elasticity pothook is spacing, avoid elasticity pothook to break away from the locking groove, thereby make that the closing plate can be more stable be fixed in clearance ship outer wall, stability and firm degree when increase closing plate uses.

In conclusion, the invention has the following beneficial effects:

1. the duckweed is cleaned and collected by adopting an automatic cleaning device, and manual salvaging is perfectly replaced, so that the labor intensity of workers is greatly reduced, the cleaning process of the duckweed is easier and more convenient, and the effect of conveniently cleaning the duckweed is achieved;

2. the duckweeds are compacted in real time by arranging the pressing plate, so that the occupied space of the duckweeds is reduced, the storage space of the collection bin is more fully utilized, the frequency of cleaning the duckweeds from the collection bin by workers is reduced, and the cleaning boat can salvage the duckweeds for a long time;

3. the cutting knife is arranged to cut the large duckweeds into pieces, so that the occupied space of the duckweeds is further reduced, and the times of taking the duckweeds out of the collecting bin are further reduced;

4. the duckweed is taken out from the collecting bin more easily and conveniently by arranging the matching of the discharge port and the sealing plate;

5. through the locking part which is simple in structure and convenient to operate, the opening and closing process of the sealing plate is easier and more convenient.

Drawings

FIG. 1 is a schematic structural view of an embodiment;

FIG. 2 is a schematic structural view of a fishing slice of an embodiment;

FIG. 3 is a schematic view of the internal structure of the cleaning ship of the embodiment;

FIG. 4 is a schematic view of the structure of a discharge opening and a sealing plate of the embodiment;

FIG. 5 is a schematic structural view of a locking portion of the embodiment;

FIG. 6 is a schematic view of an embodiment of a locking hole and locking groove configuration;

fig. 7 is a schematic structural view of a fixing lever of the embodiment.

Reference numerals: 1. cleaning the ship; 11. a drain pipe; 12. a support bar; 13. a guide plate; 14. a cylinder; 15. a discharge outlet; 16. a sealing plate; 17. a locking hole; 18. a locking groove; 2. a collection bin; 3. a supporting seat; 31. a rotating shaft; 32. a motor; 4. salvaging the slices; 41. a frame; 42. a salvage net; 5. pressing a plate; 51. a first plate body; 52. a second plate body; 53. blocking strips; 54. a guide wheel; 6. a cutter; 7. a guide groove; 71. a strip-shaped groove; 72. an annular groove; 8. a locking portion; 81. a locking plate; 82. an elastic hook; 9. a fixing hole; 91. fixing the rod; 92. a first rod body; 93. a second rod body; 94. a limiting rod; 95. a limiting plate; 96. a limiting hole; 97. a limiting cavity; 98. a connecting rod; 99. and (4) a pull ring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in figure 1, the duckweed cleaning device comprises a cleaning ship 1, wherein a collection bin 2 is arranged on the cleaning ship 1, a drain pipe 11 is further arranged on the side wall of the cleaning ship 1, and the drain pipe 11 is communicated with the inner wall of the lower end of the collection bin 2.

As shown in fig. 1 and 2, a support seat 3 is further arranged at the front end of the cleaning boat 1, a rotating shaft 31 is horizontally and rotatably connected to the support seat 3, a plurality of fishing pieces 4 are uniformly distributed on the outer wall of the rotating shaft 31, and a motor 32 for driving the rotating shaft 31 to rotate is further arranged on the support seat 3.

As shown in fig. 1 and 2, the fishing plate 4 is arc-shaped, and one side of the fishing plate facing away from the rotating shaft 31 is bent toward the collecting bin 2, and the fishing plate 4 includes a frame 41 and a fishing net 42 disposed on the frame 41.

As shown in fig. 1, a pair of support rods 12 is disposed on the upper end surface of the cleaning boat 1, the pair of support rods 12 is disposed on both sides of the collecting bin 2, a guide plate 13 is disposed between the pair of support rods 12 in an inclined manner, the upper end of the guide plate 13 is located above the rotating shaft 31, and the lower end of the guide plate 13 is located above the collecting bin 2.

When the cleaning device is used for cleaning duckweed, the cleaning boat 1 is driven to run on the river surface, the motor 32 is started, the motor 32 is utilized to drive the rotating shaft 31 to rotate towards the direction of the collecting bin 2, and the rotating shaft 31 drives the fishing pieces 4 to move synchronously. At the moment, the salvaging net 42 lifts the duckweed on the river surface, meanwhile, the river water leaks down along the net opening of the salvaging net 42, and then the duckweed is thrown to the upper part of the collecting bin 2 under the action of the centrifugal force of the salvaging net 42.

At this time, the duckweed falls into the collection bin 2 after striking the guide plate 13, so that the duckweed is collected and stored by the collection bin 2, and meanwhile, water carried by the duckweed is discharged along the water discharge pipe 11. When the collecting bin 2 is filled with duckweeds, the cleaning boat 1 is driven to lean against the shore, and finally, the duckweeds are taken out from the collecting bin 2, so that the cleaning work of the duckweeds can be completed.

As shown in fig. 1 and 3, a pressure plate 5 is slidably connected in the collection bin 2, a cylinder 14 for driving the pressure plate 5 to reciprocate up and down is arranged on the cleaning boat 1, and a plurality of cutters 6 are further arranged on the lower end surface of the pressure plate 5.

As shown in fig. 1 and 3, the pressing plate 5 includes a first plate 51 and a second plate 52 hinged to a side wall of the first plate 51, the first plate 51 is further provided with a blocking strip 53 for abutting against an upper end surface of the second plate 52, the first plate 51 is fixed to a piston rod of the cylinder 14, and the second plate 52 is close to the supporting seat 3.

As shown in fig. 3, the side wall of the second plate 52 is rotatably connected with a guide wheel 54, and the inner walls of the two sides of the collecting bin 2 are provided with guide grooves 7 for the guide wheel 54 to slide. The guide groove 7 comprises a strip-shaped groove 71 vertically arranged and an annular groove 72 communicated with the upper end of the strip-shaped groove 71.

When collecting the duckweeds, the first plate 51 is located above the collecting bin 2, while the second plate 52 is bent downward, so that the upper end of the collecting bin 2 forms an opening. When the duckweed falls into the collection chamber 2 and gradually accumulates, the air cylinder 14 is activated. The piston rod of the air cylinder 14 pushes the first plate 51 to move downward, and the first plate 51 drives the second plate 52 to move synchronously.

At the same time, the second plate 52 drives the guide wheel 54 to slide along the inner wall of the annular groove 72, and at this time, the second plate 52 is gradually turned upwards along the hinge joint. When the guide wheel 54 moves to the connection between the annular groove 72 and the strip groove 71, the first plate body 51 and the second plate body 52 are in a horizontal state, and the second plate body 52 abuts against the blocking strip 53.

At this time, the air cylinder 14 drives the first plate 51 and the second plate 52 to slide downwards together, and meanwhile, the duckweeds collected continuously fall onto the second plate 52. At the same time, the guide wheel 54 slides downwards along the inner wall of the strip-shaped groove 71, the first plate body 51 and the second plate body 52 drive the cutter 6 to move synchronously, so that the cutter 6 is used for cutting up large duckweeds, and meanwhile, the first plate body 51 and the second plate body 52 compact the fluffy duckweeds.

When the duckweeds are compacted, the first plate body 51 and the second plate body 52 are driven to move upwards, and at the moment, the second plate body 52 drives the guide wheel 54 to slide upwards along the inner wall of the strip-shaped groove 71. After the guide wheel 54 moves to the connection between the annular groove 72 and the strip-shaped groove 71, the guide wheel 54 slides along the inner wall of the annular groove 72, and the second plate body 52 is gradually turned downwards along the hinge. At this time, the duckweed accumulated on the upper end surface of the second plate body 52 slides down along the upper end surface of the second plate body 52 into the collecting bin 2.

So relapse, realize the shredding compaction of duckweed, reduce the occupation space of duckweed, the more abundant storage space who utilizes collecting bin 2 has reduced the number of times that the workman cleared away duckweed from collecting bin 2 to workman's intensity of labour has been reduced.

As shown in fig. 4, the cleaning ship 1 is provided with a discharge opening 15 in a side wall thereof and a sealing plate 16 covering the discharge opening 15 in an outer wall thereof. The lower end of the sealing plate 16 is hinged to the outer wall of the cleaning vessel 1, and the upper end is provided with a locking portion 8 for fixing it to the cleaning vessel 1.

When cleaning the duckweed compacted in the collecting bin 2, the locking part 8 is firstly released, then the sealing plate 16 is driven to turn downwards along the hinge joint, and the discharge opening 15 is gradually opened at the moment. And then the compacted duckweeds are hooked out by utilizing a rake, so that the duckweeds are cleaned.

After the duckweed in the collecting bin 2 is cleaned, the sealing plate 16 is driven to overturn upwards until the sealing plate 16 abuts against the outer wall of the cleaning boat 1, the discharge port 15 is covered and sealed by the sealing plate 16, and finally the locking part 8 is locked to fix the sealing plate 16, so that the cleaning work of the duckweed can be completed.

As shown in fig. 5 and 6, the locking portion 8 includes a locking plate 81 provided on the side wall of the sealing plate 16, and the locking plate 81 is provided with a pair of elastic hooks 82. The cleaning boat 1 is provided with a locking hole 17 for the locking plate 81 and the elastic hook 82 to be inserted into on the outer wall thereof, and a locking groove 18 for the elastic hook 82 to be inserted into on the inner wall of the locking hole 17.

As shown in fig. 5, a fixing hole 9 communicating with each other is formed between the sealing plate 16 and the locking plate 81, and a fixing rod 91 is slidably connected to the fixing hole 9. The fixing lever 91 includes a first lever 92 and a second lever 93, and a distal end of the second lever 93 forms a threaded section threadedly coupled to the fixing hole 9.

As shown in fig. 5 and 7, a limiting rod 94 is disposed at an end of the first rod 92, and a circular limiting plate 95 is disposed at an end of the limiting rod 94. The end of the second rod 93 is provided with a limiting hole 96 for the limiting rod 94 to slide, and a limiting cavity 97 for the limiting plate 95 to slide is arranged in the limiting hole 96.

As shown in fig. 5, the end of the first rod 92 is hinged to a pair of connecting rods 98, the pair of connecting rods 98 are respectively hinged to the inner sidewalls of the pair of elastic hooks 82, and the end of the second rod 93 is further provided with a pull ring 99.

When the sealing plate 16 is opened, the rotating pull ring 99 moves outward, the pull ring 99 drives the second rod 93 to rotate synchronously, and the end portion provided with the threaded section gradually disengages from the fixing hole 9. Meanwhile, the second rod 93 slides outwards along the outer wall of the limiting rod 94 until the limiting plate 95 abuts against the inner wall of the limiting cavity 97, and the thread section on the second rod 93 is separated from the fixing hole 9.

At this time, the pull ring 99 is pulled to move outward, the pull ring 99 drives the second rod 93 and the first rod 92 to move outward synchronously, meanwhile, the first rod 92 drives the connecting rod 98 to approach each other, and the connecting rod 98 pulls the elastic hook 82 to approach each other. When the elastic hook 82 is disengaged from the locking groove 18 and inserted into the locking hole 17, the elastic hook 82 slides outwards along the inner wall of the locking hole 17, so that the locking part 8 is released and the discharge opening 15 is opened.

When the sealing plate 16 is closed, the elastic hooks 82 are pressed to approach each other, and after the elastic hooks 82 are embedded into the locking holes 17, the sealing plate 16 is pressed to approach the cleaning boat 1, and the sealing plate 16 drives the locking plate 81 and the elastic hooks 82 to slide inwards along the inner wall of the locking holes 17. Until the sealing plate 16 abuts against the outer wall of the cleaning boat 1, the elastic hook 82 is disengaged from the locking hole 17 and is elastically inserted into the locking groove 18.

Then the pull ring 99 is rotated to approach the sealing plate 16, at this time, the pull ring 99 drives the second rod 93 to move synchronously, and the thread section of the outer wall of the second rod 93 is gradually screwed in the fixing hole 9, and meanwhile, the limiting plate 95 on the limiting rod 94 slides along the inner wall of the limiting cavity 97. When the limiting plate 95 collides with the bottom wall of the limiting cavity 97, the pull ring 99 stops rotating, and the fixing of the whole fixing rod 91 is realized through the second rod body 93 and the fixing hole 9 which are in threaded fit, so that the fixing limitation of the elastic hook 82 is realized, and the locking of the locking part 8 and the closing of the discharge hole 15 are realized.

The working principle is as follows: when duckweed on the river surface is cleaned, the cleaning boat 1 is driven to run on the river surface, the rotating shaft 31 and the salvaging pieces 4 are driven to rotate by the motor 32, and the duckweed is thrown into the collection bin 2 under the action of centrifugal force of the salvaging pieces 4. Then the first plate body 51 and the second plate body 52 are driven to reciprocate up and down to compact the duckweeds in the collection bin 2, finally the sealing plate 16 is opened, and the compacted duckweeds are taken out from the collection bin 2, so that the duckweeds can be cleaned.

The specific embodiments are only for explaining the present invention, and the present invention is not limited thereto, and those skilled in the art can make modifications without inventive contribution to the present embodiments as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A duckweed cleaning device which is characterized in that: the cleaning device comprises a cleaning ship (1), wherein a collection bin (2) is arranged on the cleaning ship (1), a drain pipe (11) communicated with the lower end of the collection bin (2) is arranged on the side wall of the cleaning ship (1), a supporting seat (3) is further arranged at the front end of the cleaning ship (1), a rotating shaft (31) is horizontally and rotatably connected onto the supporting seat (3), and a motor (32) for driving the rotating shaft (31) to rotate is arranged on the supporting seat (3);

a plurality of fishing pieces (4) are uniformly distributed on the outer wall of the rotating shaft (31), the fishing pieces (4) are arranged along the length direction of the rotating shaft (31), the fishing pieces (4) are arc-shaped, and one side, away from the rotating shaft (31), of each fishing piece (4) is bent towards the direction of the collection bin (2);

a pressing plate (5) is connected in the collection bin (2) in a sliding manner, an air cylinder (14) used for driving the pressing plate (5) to reciprocate up and down is arranged on the cleaning ship (1), the pressing plate (5) comprises a first plate body (51) driven by the air cylinder (14) and a second plate body (52) hinged to the side wall of the first plate body (51), and the second plate body (52) is close to the supporting seat (3); the lateral wall of second plate body (52) rotates and is connected with leading wheel (54), the inner wall of collecting storehouse (2) is provided with the confession leading wheel (54) guide way (7) of embedding that slide, guide way (7) including vertical setting bar groove (71) and communicate in annular groove (72) of bar groove (71) upper end.

2. The duckweed cleaning device of claim 1, wherein: the fishing piece (4) comprises a frame (41) and a fishing net (42) arranged on the frame (41).

3. The duckweed cleaning device of claim 2, wherein: the up end of clearance ship (1) is provided with a pair of bracing piece (12), and is a pair of bracing piece (12) distribute in collect the both sides in storehouse (2), and is a pair of slope is provided with deflector (13) between bracing piece (12), the upper end of deflector (13) is located the top of pivot (31), and the lower extreme is located collect the top in storehouse (2).

4. The duckweed cleaning device of claim 1, wherein: the first plate body (51) is provided with a barrier strip (53) for the upper end surface of the second plate body (52) to abut against.

5. The duckweed cleaning device of claim 1, wherein: the lower end surfaces of the first plate body (51) and the second plate body (52) are provided with a plurality of cutters (6).

6. The duckweed cleaning device of claim 1, wherein: the utility model discloses a cleaning boat, including cleaning boat (1), storehouse (2), the inside bin outlet (15) of collection storehouse, cleaning boat (1) lateral wall is provided with the intercommunication the closing plate (16) of bin outlet (15) are provided with the cover to the cleaning boat (1) outer wall, the lower extreme of closing plate (16) articulate in cleaning boat (1) outer wall, and the upper end is provided with and is used for being fixed in it locking portion (8) on cleaning boat (1).

7. The duckweed cleaning device of claim 6, wherein: the cleaning ship comprises a cleaning ship body and is characterized in that the locking part (8) comprises a locking plate (81) arranged on the side wall of the upper end of the sealing plate (16), the outer wall of the cleaning ship body (1) is provided with a locking hole (17) for the locking plate (81) to be embedded into, the locking plate (81) is provided with an elastic hook (82), and the inner wall of the locking hole (17) is provided with a locking groove (18) for the elastic hook (82) to be embedded into;

the sealing plate (16) and fixed orifices (9) that have intercommunication run through between lockplate (81), sliding connection has dead lever (91) in fixed orifices (9), dead lever (91) are located the outside one end of sealing plate (16) is provided with pull ring (99), and the other end is provided with a pair of connecting rod (98), and is a pair of the one end of connecting rod (98) articulate in dead lever (91), and the other end articulates respectively in the inside wall of a pair of elasticity pothook (82).

8. The duckweed cleaning device of claim 7, wherein: the fixing rod (91) comprises a first rod body (92) for hinging the connecting rod (98) and a second rod body (93) for fixing the pull ring (99), and the outer wall of one end, close to the pull ring (99), of the second rod body (93) is in threaded connection with the fixing hole (9);

the tip of the first body of rod (92) is provided with gag lever post (94), the tip of the second body of rod (93) is provided with the confession gag lever post (94) spacing hole (96) that slide, the tip of gag lever post (94) is provided with circular shape limiting plate (95), be provided with the confession in spacing hole (96) spacing chamber (97) that limiting plate (95) slided.