CN112046698A

CN112046698A - Novel pasture and water clearance ship

Info

Publication number: CN112046698A
Application number: CN202011077643.8A
Authority: CN
Inventors: 罗卫平; 王泰力; 赵兰锦
Original assignee: Jinling Institute of Technology
Current assignee: Jinling Institute of Technology
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2020-12-08

Abstract

The invention discloses a novel aquatic weed cleaning ship, which comprises a ship body, wherein a garbage can is arranged in the ship body, an aquatic weed collecting device communicated with the garbage can is arranged right ahead of the ship body, the aquatic weed collecting device comprises a pair of vertical sieve plates which are fixedly arranged right ahead of the ship body, are parallel to each other and are vertical to the horizontal plane of the ship body, an L-shaped sieve plate is arranged between the two vertical sieve plates, a semi-closed sieve body for storing aquatic weeds is formed between the two vertical sieve plates and the L-shaped sieve plate, a plurality of groups of guide cutters for enabling aquatic weeds to enter the semi-closed sieve body are arranged on the vertical sieve plates, and a driving device for controlling the L-shaped sieve plates to ascend and turn to be communicated with the garbage can is arranged on the ship body; the device has the advantages of small occupied area, small and exquisite ship body, simple structure and low cost, and is suitable for salvaging and cleaning various aquatic weeds.

Description

Novel pasture and water clearance ship

Technical Field

The invention relates to the field of environmental protection equipment, in particular to a novel aquatic weed cleaning boat.

Background

In recent years, in China, river surfaces and lake surfaces are polluted by water plants such as water hyacinth and the like, the water plants need to be cleaned in time in order to solve the pollution problem, the water plants are cleaned and salvaged mainly by manpower at present, and the mode has the advantages of high labor intensity, low operation efficiency and unsatisfactory cleaning effect; for the existing method for cleaning aquatic weeds by adopting an excavator, the method is only suitable for cleaning aquatic weeds at the river bank and is not suitable for cleaning aquatic weeds in the center of the lake surface; the automatic cleaning device mainly adopts a mode of a conveying chain or a conveying belt at present, and the chain transmission or belt transmission device occupies a large area, so that the volume of the water plant cleaning ship is large, and the water plant cleaning ship is not beneficial to the water plant cleaning of small river surfaces or lake surfaces.

Disclosure of Invention

The invention aims to provide a novel aquatic weed cleaning boat which is small in occupied area, small in boat body, simple in structure, low in cost and suitable for fishing and cleaning various aquatic weeds.

The technical scheme includes that the novel aquatic weed cleaning ship comprises a ship body, a garbage can is arranged in the ship body, an aquatic weed collecting device is arranged right in front of the ship body and comprises a pair of vertical sieve plates which are fixedly arranged right in front of the ship body, are parallel to each other and are perpendicular to the horizontal plane of the ship body, an L-shaped sieve plate is arranged between the two vertical sieve plates, a semi-closed sieve body for storing aquatic weeds is formed between the two vertical sieve plates and the L-shaped sieve plate, a plurality of groups of guide cutters for enabling the aquatic weeds to enter the semi-closed sieve body are arranged on the vertical sieve plates, and a driving device for controlling the L-shaped sieve plates to overturn to be communicated with the garbage can is arranged on the ship body.

The invention is further configured to: drive arrangement is including fixed a pair support frame that sets up in the dead ahead on the hull, all be equipped with the slider that can prolong support frame gliding motion from top to bottom in the support frame, the fixed sieve plate axle that is equipped with between two sliders, the fixed setting of L shape sieve is epaxial at the sieve plate, one of them be equipped with the crank link mechanism who is connected with the slider in this support frame in the support frame, crank link mechanism is by the lift of crank motor control drive slider, the outside that lies in crank link mechanism's support frame on the hull is fixed and is equipped with the rack board, be equipped with the rack group that is parallel to each other and interval set up from top to bottom on the rack board, the fixed gear train that is equipped with rack group meshing in one end of.

The invention is further configured to: the direction cutting knife is including the level of fixed setting bottom position department between two perpendicular shape sieves to the cutting knife to and set up the slant cutting knife on two perpendicular shape sieves and keep away from hull one side respectively, all be equipped with the direction motor of control slant cutting knife angle swing on the perpendicular shape sieve.

The invention is further configured to: the rack group comprises a left rack and a right rack which are parallel to each other and arranged at intervals from top to bottom, the right rack is located below the left rack, and the gear set comprises a pinion meshed with the left rack and a gearwheel meshed with the right rack.

The invention is further configured to: be equipped with on the hull and push away the device of sweeping the pasture and water of pasture and water effect of saving in the dustbin, the pasture and water pushes away the device of sweeping including setting up in the hull top and doing to being close to or keeping away from the pole frame of sweeping of pasture and water collection device department horizontal sliding motion, the pole frame bottom of sweeping is equipped with the brush with the pasture and water contact, be equipped with the drive on the hull and sweep the pole frame and do the horizontal sliding motion push away and sweep actuating mechanism.

The invention is further configured to: the push-broom driving mechanism comprises a broom rod shaft which is rotatably connected with the broom rod frame, two ends of the broom rod shaft are respectively and fixedly arranged in the two broom rod sliding blocks, a sliding rail for the broom rod sliding blocks to slide and be buckled and embedded is arranged right above the ship body, a push-broom driving gear driven by a push-broom motor is arranged on one broom rod sliding block, a push-broom driven rack meshed with the push-broom driving gear is arranged on the ship body, and a limiting assembly for acting on the broom rod frame is arranged between the broom rod frame and the broom rod shaft.

The invention is further configured to: the limiting assembly comprises a front limiting plate and a rear limiting plate which are fixedly arranged at the end part of the rod sweeping frame, and a middle limiting plate which is fixedly arranged at the end part of the rod sweeping shaft, the front limiting plate and the rear limiting plate are arranged in an angle inclined manner with the rod sweeping frame, and when the rod sweeping shaft is arranged on the rod sweeping frame, the middle limiting plate is positioned between the front limiting plate and the rear limiting plate.

The invention is further configured to: and return springs are fixedly arranged between the front limiting plate and the middle limiting plate and between the rear limiting plate and the middle limiting plate.

In conclusion, the invention has the following beneficial effects:

1. in order to solve the problem of river surface aquatic weeds brought to the environment, the invention designs a novel aquatic weed cleaning boat, the aquatic weeds are harvested through a guide cutting knife, then the aquatic weeds are collected through a vertical sieve plate and an L-shaped sieve plate, the L-shaped sieve plate is controlled to be turned regularly through a driving device, and the aquatic weeds accumulated in a semi-closed sieve body are transported into a garbage can of a boat body; meanwhile, the driving device is combined with a crank connecting rod and a gear assembly, so that the lifting and overturning of the L-shaped sieve plate are realized, the direct adoption of a chain transmission or belt transmission device in the traditional equipment is avoided, the cleaning ship is small and exquisite in size and low in cost, and the cleaning ship is suitable for cleaning aquatic weeds in large and small lakes and ponds;

2. the driving device is innovatively designed with two turning speeds, the pre-turning speed and the post-turning speed of the L-shaped sieve plate can be different through the respective meshing of the big gear and the small gear with the right rack and the left rack on the rack plate, and when the big gear is meshed with the right rack, the rotating speed of the L-shaped sieve plate is lower, so that water attached to waterweeds can be fully discharged through the hollowed-out sieve plate; when the large gear is disengaged from the right rack and the small gear is meshed with the left rack, the rotating speed of the L-shaped sieve plate is increased under the action of the small gear, namely the overturning speed of the L-shaped sieve plate is increased, so that aquatic weeds can be quickly and effectively overturned into the garbage can, and the overturning efficiency is improved;

3. the invention designs the float grass sweeping device, and the float rod frame, the sweeping driving mechanism and the like can sweep float grass garbage accumulated at the front end in the garbage can and close to the float grass collecting device to the rear end, so that the space of the garbage can be fully utilized, and the float grass in the garbage can be uniformly accumulated;

4. the float grass pushing and sweeping device is provided with the return spring, so that the brush is in flexible contact with garbage when in contact, and the return of the sweeping rod frame after the float grass is pushed is ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of the present cleaning ship;

FIG. 2 is a detailed schematic view of the drive assembly of the present cleaning vessel;

fig. 3 is a schematic view of the state that the L-shaped sieve plate is about to turn;

fig. 4 is a schematic diagram of an L-shaped screen deck in an inverted state;

fig. 5 is a schematic view of the state that the L-shaped sieve plate is turned over by 90 degrees;

fig. 6 is a schematic view of the state that the L-shaped sieve plate is turned over by 220 degrees;

FIG. 7 is a schematic view of the arrangement of the aquatic weed sweeping apparatus of the cleaning boat;

FIG. 8 is a schematic structural view of a boom frame in the cleaning ship;

FIG. 9 is a schematic view of the sweep bar shaft of the present cleaning boat.

In the figure: 1. a hull; 2. a dustbin; 3. a vertical sieve plate; 4. an L-shaped sieve plate; 5. guiding a cutter; 5-1, horizontally cutting the knife; 5-2, obliquely cutting the knife; 5-3, guiding a motor; 6-1, a support frame; 6-2, a sliding block; 6-3, a sieve plate shaft; 6-4, a crank; 6-5, connecting rod; 6-6, a crank motor; 6-7, a rack plate; 6-8-1, a bull gear; 6-8-2, pinion; 6-9-1, left rack; 6-9-2, right rack; 10-1, a rod sweeping frame; 10-2, a brush; 10-3, shaft sleeve; 10-4, a front limiting plate; 10-5, a rear limiting plate; 11-1, a sweep bar shaft; 11-1-1 and a middle limit plate; 11-2, a slide rail; 11-3, a rod sweeping sliding block; 11-4, a push-broom motor; 11-5, a push-broom drive gear; 11-6, pushing and sweeping the driven rack; 12. a return spring.

Detailed Description

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

Example (b): a novel aquatic weed cleaning ship comprises a ship body 1, a garbage can 2 is arranged in the ship body 1, an aquatic weed collecting device communicated with the garbage can 2 is arranged right ahead of the ship body 1, the aquatic weed collecting device comprises a pair of vertical sieve plates 3 which are fixedly arranged right ahead of the ship body 1, are parallel to each other and are vertical to the horizontal plane of the ship body 1, an L-shaped sieve plate 4 is arranged between the two vertical sieve plates 3, a semi-closed sieve body for storing aquatic weeds is formed between the two vertical sieve plates 3 and the L-shaped sieve plate 4, and the structure of the sieve plates can quickly filter water liquid on the aquatic weeds; the vertical sieve plates 3 are provided with a plurality of groups of guide cutters 5 which enable aquatic weeds to enter the semi-closed frame body, each guide cutter 5 comprises a horizontal cutter 5-1 which is fixedly arranged between the two vertical sieve plates 3 and is positioned at the bottom position, and oblique cutters 5-2 which are respectively arranged on the two vertical sieve plates 3 and are far away from one side of the ship body 1, the vertical sieve plates 3 are respectively provided with a guide motor 5-3 which controls the oblique cutters 5-2 to swing at an angle, the aquatic weeds passing through the guide cutters 5 are harvested through the advancing of the ship body 1 and the action of water flow, and the aquatic weeds are stored on the semi-closed sieve body in the further advancing process of the ship body 1.

As shown in figures 1 and 2, a driving device for controlling the L-shaped sieve plate 4 to overturn to the dustbin 2 is arranged on the ship body 1, the driving device comprises a pair of support frames 6-1 which are fixedly arranged right ahead on the ship body 1, slide blocks 6-2 which can slide up and down along the support frames 6-1 are arranged in the support frames 6-1, a sieve plate shaft 6-3 is fixedly arranged between the two slide blocks 6-2, the L-shaped sieve plate 4 is fixedly arranged on the sieve plate shaft 6-3, a crank connecting rod mechanism connected with the slide blocks 6-2 in the support frames 6-1 is arranged in one support frame 6-1, the crank connecting rod mechanism is controlled by a crank motor 6-6 to drive the slide blocks 6-2 to ascend and descend, namely, a crank 6-4 which is controlled by a crank 6-4 motor to rotate is arranged at the top of the support frame 6-, the end of the crank 6-4, which is far away from the motor of the crank 6-4, is the connecting rod 6-5, the end of the connecting rod 6-5, which is far away from the crank 6-4, is hinged with the sliding block 6-2, and the rotation of the motor of the crank 6-4 drives the crank 6-4 to rotate, so that the connecting rod 6-5 is driven to ascend, and the sliding block 6-2 is also driven to ascend, thereby realizing the ascending of the L-shaped sieve plate 4.

As shown in figures 1 and 2, a rack plate 6-7 is fixedly arranged on the outer side of a supporting frame 6-1 of a crank 6-4 connecting rod 6-5 mechanism on a ship body 1, a rack group which is parallel to each other and is arranged at an upper and lower interval is arranged on the rack plate 6-7, the rack group comprises a left rack 6-9-1 and a right rack 6-9-2 which are parallel to each other and are arranged at an upper and lower interval, the right rack 6-9-2 is arranged below the left rack 6-9-1, one end of a sieve plate shaft 6-3 is fixedly provided with a gear set which is meshed with the rack group, the gear set comprises a pinion 6-8-2 meshed with the left rack 6-9-1 and a bull gear 6-8-1 meshed with the right rack 6-9-2.

The specific implementation mode is as follows: this boat is at the river surface operation, and the pasture and water of river surface is cut under the effect of direction cutting knife 5 to get into the screen frame under the effect of rivers, when the pasture and water in the screen frame reaches a certain amount, tilting mechanism begins work: the motor of the crank 6-4 rotates forward to drive the crank 6-4 to rotate anticlockwise, the connecting rod 6-5 of the connecting rod 6-5 mechanism of the crank 6-4 drives the sliding block 6-2 to move upwards along the supporting frame 6-1, the sliding block 6-2 in the other supporting frame 6-1 also moves upwards synchronously to form an auxiliary support, and the L-shaped sieve plate 4 is driven to ascend, as shown in figure 3.

When the bull gear 6-8-1 on the sieve plate shaft 6-3 runs to the right rack 6-9-2 of the rack plate 6-7, the bull gear 6-8-1 and the right rack 6-9-2 are meshed with each other, and the slide block 6-2 continues to move upwards, so that the sieve plate shaft 6-3 is driven to rotate, and the L-shaped sieve plate 4 starts to rotate synchronously, as shown in fig. 4.

As shown in figure 5, when the L-shaped sieve plate 4 is overturned by 90 degrees, the large gear 6-8-1 is just separated from the right rack 6-9-2 of the rack plate 6-7, then the small gear 6-8-2 starts to contact with the left rack 6-9-1 part of the rack plate 6-7, the small gear 6-8-2 rotates under the meshing of the left rack 6-9-1, and as the number of teeth of the small gear 6-8-2 is small, the stroke is short, and the L-shaped sieve plate 4 is driven to quickly overturn in the same direction.

As shown in fig. 6, when the L-shaped sieve plate 4 rotates by about 220 degrees, the crank 6-4 stops rotating, the L-shaped sieve plate 4 remains stationary at this position, and the aquatic weeds slide down from the L-shaped sieve plate 4 into the dustbin 2 on the ship body 1 under the action of gravity, so as to complete the transportation of the aquatic weeds; the motor of the crank 6-4 is reversely rotated after stopping for 5-6 seconds, the crank 6-4 reversely rotates, at the moment, the sliding block 6-2 starts to move downwards under the action of the crank 6-4, the pinion 6-8-2 starts to rapidly rotate in the reverse direction under the action of the left rack 6-9-1 of the rack plate 6-7, the L-shaped sieve plate 4 is driven to rapidly rotate forwards and reset, and when the bull gear 6-8-1 is meshed with the right rack 6-9-2, the L-shaped sieve plate 4 is driven to continuously rotate; when the large gear 6-8-1 is separated from the right rack 6-9-2, the L-shaped sieve plate 4 is reset to be in a vertical state, the sliding block 6-2 continues to move downwards under the action of the crank 6-4 to drive the L-shaped sieve plate 4 to move downwards until the L-shaped sieve plate 4 is reset, and at the moment, the motor of the crank 6-4 stops rotating, so that the aquatic weed carrying work is completed. Repeating the steps, the aquatic weeds in the sieve body can be continuously conveyed into the aquatic weed box of the ship body 1.

In the embodiment, in order to better control the rotation angle of the L-shaped sieve plate 4, the crank 6-4 motor may adopt a servo motor mechanism with a precise angle control function.

As shown in figure 7, in the embodiment, in order to prevent the aquatic weeds from being piled up in front of the aquatic weed hull 1 of the aquatic weed cleaning ship, the hull 1 is further provided with an aquatic weed sweeping device which acts on the aquatic weeds stored in the dustbin 2, the aquatic weed sweeping device comprises a sweeping bar frame 10-1 which is arranged above the hull 1 and performs horizontal sliding movement towards the position close to or far away from the aquatic weed collecting device, the bottom of the sweeping bar frame 10-1 is provided with a brush 10-2 which is contacted with the aquatic weeds, and the hull 1 is provided with a sweeping driving mechanism which drives the sweeping bar frame 10-1 to perform horizontal sliding movement.

As shown in figures 7 and 8, the push-broom driving mechanism comprises a sweep bar shaft 11-1 rotatably connected with a sweep bar frame 10-1, namely, both ends of the sweep bar frame 10-1 are fixedly provided with shaft sleeves 10-3, both ends of the sweep bar shaft 11-1 respectively penetrate through the shaft sleeves 10-3 and then are fixedly arranged in two sweep bar sliders 11-3, so as to realize axial fixation on the sweep bar frame 10-1, the sweep bar frame 10-1 can swing along the sweep bar shaft, a slide rail 11-2 for slidably buckling and embedding the sweep bar sliders 11-3 is arranged right above the ship body 1, one sweep bar slider 11-3 is provided with a push-broom driving gear 11-5 driven by a push-broom motor 11-4, the ship body 1 is provided with a push-broom driven rack 11-6 meshed with the push-broom driving gear 11-5, the push-broom motor 11-4 is driven to rotate when working, thereby realizing the meshed transmission with the push-broom driven rack 11-6 and driving the horizontal movement of the broom handle frame 10-1.

Meanwhile, as shown in fig. 8 and 9, a limiting assembly acting on the rod-sweeping rack 10-1 is arranged between the rod-sweeping rack 10-1 and the rod-sweeping rack shaft 11-1, the limiting assembly comprises a front limiting plate 10-4 and a rear limiting plate 10-5 fixedly arranged at the end part of the rod-sweeping rack 10-1, and a middle limiting plate 11-1-1 fixedly arranged at the end part of the rod-sweeping rack shaft 11-1, the front limiting plate 10-4 and the rear limiting plate 10-5 are both arranged in an angle inclined manner with the rod-sweeping rack 10-1, and when the rod-sweeping rack shaft 11-1 is arranged on the rod-sweeping rack 10-1, the middle limiting plate 11-1-1 is positioned between the front limiting plate 10-4 and the rear limiting plate 10-5; reset springs 12 are fixedly arranged between the front limiting plate 10-4 and the middle limiting plate 11-1-1 and between the rear limiting plate 10-5 and the middle limiting plate 11-1-1; meanwhile, in order to better realize the limiting effect, a front limiting plate 10-4 and a rear limiting plate 10-5 are respectively arranged at two ends of the rod sweeping frame 10-1, and a middle limiting plate 11-1-1 is respectively arranged at two ends of the rod sweeping shaft 11-1.

The specific implementation mode is as follows: when the aquatic weeds at the front end of the aquatic weed ship body 1 are piled up, the pushing and sweeping motor 11-4 is started to drive the pushing and sweeping driving gear 11-5 to rotate, under the meshing action of the pushing and sweeping driving gear 11-5 and the pushing and sweeping rack, the sweeping rod sliding block 11-3 moves to a position far away from the aquatic weed collecting device and simultaneously drives the sweeping rod frame 10-1 to move, the brush 10-2 of the sweeping rod frame 10-1 is abutted against the aquatic weeds, in the process, the sweeping rod frame 10-1 flexibly rotates after being abutted against the aquatic weeds, further pushing and sweeping of the aquatic weeds are realized after the front limiting plate 10-4 of the sweeping rod frame is abutted against the middle plate, the higher piled aquatic weeds are pushed to the rear end of the garbage can 2, and the sweeping rod frame 10-1 is reset under the action of the reset spring 12; then, the push-broom motor 11-4 rotates reversely to drive the broom rod frame 10-1 to move towards the position close to the float grass collecting device to realize resetting.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution 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. The utility model provides a novel pasture and water clearance ship, includes hull (1), be equipped with dustbin (2) in hull (1), its characterized in that: the dead ahead of hull (1) is equipped with pasture and water collection device, pasture and water collection device includes that one pair is fixed to be set up in hull (1) dead ahead, parallel to each other and with hull (1) horizontal plane vertically erect shape sieve (3), two it is equipped with L shape sieve (4) to erect between shape sieve (3), constitutes the semi-closed form sieve body that supplies water grass storage between two perpendicular shape sieve (3) and L shape sieve (4), it makes pasture and water get into direction cutting knife (5) in the semi-closed form frame to be equipped with the multiunit on the perpendicular shape sieve (3), be equipped with on hull (1) and control L shape sieve (4) rise and overturn to with dustbin (2) communicating drive arrangement.

2. The novel aquatic weed cleaning boat according to claim 1, characterized in that: the driving device comprises a double supporting frame (6-1) fixedly arranged right in front of the ship body (1), sliders (6-2) capable of extending the supporting frame (6-1) to slide up and down are arranged in the supporting frame (6-1), a sieve plate shaft (6-3) is fixedly arranged between the two sliders (6-2), the L-shaped sieve plate (4) is fixedly arranged on the sieve plate shaft (6-3), a crank link mechanism connected with the sliders (6-2) in the supporting frame (6-1) is arranged in one of the supporting frames (6-1), the crank link mechanism is controlled by a crank motor (6-6) to drive the sliders (6-2) to lift, a rack plate (6-7) is fixedly arranged on the ship body (1) and positioned outside the supporting frame (6-1) of the crank link mechanism, the sieve plate is characterized in that rack groups which are parallel to each other and arranged at intervals are arranged on the rack plates (6-7), and a gear set meshed with the rack groups is fixedly arranged at one end of the sieve plate shaft (6-3).

3. The novel aquatic weed cleaning boat according to claim 1, characterized in that: the guiding cutting knife (5) comprises a horizontal cutting knife (5-1) fixedly arranged at the bottom position between two vertical sieve plates (3) and oblique cutting knives (5-2) respectively arranged on the two vertical sieve plates (3) and far away from one side of the ship body (1), and guiding motors (5-3) for controlling the oblique cutting knives (5-2) to swing in angle are arranged on the vertical sieve plates (3).

4. The novel aquatic weed cleaning boat according to claim 2, characterized in that: the gear set comprises a left-side gear rack (6-9-1) and a right-side gear rack (6-9-2) which are parallel to each other and arranged at intervals from top to bottom, the right-side gear rack (6-9-2) is positioned below the left-side gear rack (6-9-1), and the gear set comprises a pinion (6-8-2) meshed with the left-side gear rack (6-9-1) and a bull gear (6-8-1) meshed with the right-side gear rack (6-9-2).

5. The novel aquatic weed cleaning boat according to claim 1, characterized in that: the aquatic weed sweeping device is characterized in that the ship body (1) is provided with a aquatic weed sweeping device which acts on aquatic weeds stored in the garbage can (2), the aquatic weed sweeping device comprises a sweeping rod frame (10-1) which is arranged above the ship body (1) and is in horizontal sliding motion close to or far away from the aquatic weed collecting device, the bottom of the sweeping rod frame (10-1) is provided with a brush (10-2) in contact with the aquatic weeds, and the ship body (1) is provided with a sweeping driving mechanism for driving the sweeping rod frame (10-1) to be in horizontal sliding motion.

6. The novel aquatic weed cleaning boat according to claim 5, wherein: the push-broom driving mechanism comprises a sweep bar shaft (11-1) rotatably connected with a sweep bar frame (10-1), two ends of the sweep bar shaft (11-1) are respectively fixedly arranged in two sweep bar sliders (11-3), a sliding rail (11-2) for sliding, buckling and embedding the sweep bar sliders (11-3) is arranged right above the ship body (1), a push-broom driving gear (11-5) driven by a push-broom motor (11-4) is arranged on one sweep bar slider (11-3), a push-broom driven rack (11-6) meshed with the push-broom driving gear (11-5) is arranged on the ship body (1), and a limiting assembly acting on the sweep bar frame (10-1) is arranged between the sweep bar frame (10-1) and the sweep bar shaft (11-1).

7. The novel aquatic weed cleaning boat according to claim 6, wherein: the limiting assembly comprises a front limiting plate (10-4) and a rear limiting plate (10-5) which are fixedly arranged at the end part of a rod sweeping frame (10-1), and a middle limiting plate (11-1-1) which is fixedly arranged at the end part of the rod sweeping frame (11-1), wherein the front limiting plate (10-4) and the rear limiting plate (10-5) are arranged in an angle inclined manner with the rod sweeping frame (10-1), and when the rod sweeping frame (10-1) is installed on the rod sweeping frame (10-1), the middle limiting plate (11-1-1) is arranged between the front limiting plate (10-4) and the rear limiting plate (10-5).

8. The novel aquatic weed cleaning boat according to claim 6, wherein: and return springs (12) are fixedly arranged between the front limiting plate (10-4) and the middle limiting plate (11-1-1) and between the rear limiting plate (10-5) and the middle limiting plate (11-1-1).