CN112695713A

CN112695713A - Device and method for cleaning and recovering floater on narrow river surface

Info

Publication number: CN112695713A
Application number: CN202011431970.9A
Authority: CN
Inventors: 韩金臻; 吴丹; 王泽锴; 陈斌星; 傅宇阳; 郭金甲; 於临风
Original assignee: Zhejiang Industry Polytechnic College
Current assignee: Zhejiang Industry Polytechnic College
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2021-04-23
Anticipated expiration: 2039-10-14
Also published as: CN110565610B; CN110565610A; CN112695713B

Abstract

The invention provides a device and a method for cleaning and recovering flotage on a narrow river surface, and relates to the field of river cleaning. The expansion plate is connected with the expansion mechanism in the shell, so that the expansion plate expands and contracts along with the expansion mechanism, and floating objects on the river surface are collected into the shell. The bottom of the shell is provided with a rotating plate which is connected with the shell in a rotating manner, the rotating plate is provided with a cleaning plate, and the shell is internally provided with a driving mechanism which is used for driving the rotating plate to rotate and cleaning the place where the collecting plate can not be cleaned. The invention has simple structure, is easy to operate by workers, and can effectively clean narrow river surfaces.

Description

Device and method for cleaning and recovering floater on narrow river surface

The application is a divisional application with the application date of 2019, 10 and 14, and the application number of CN 201910973344.3, and the invention is named as a device for cleaning and recovering flotage on a narrow river surface.

Technical Field

The invention relates to the technical field of river channel cleaning, in particular to a device and a method for cleaning and recovering floaters on a narrow river surface.

Background

A lot of garbage floaters are often arranged on the water surfaces of lakes, rivers, reservoirs and oceans, particularly river channels for shipping, disposable lunch boxes, peel, plastic bags and the like made of foamed plastic are everywhere on the river surfaces, and if the garbage drifts to a front pool of a power station and is not cleaned in time, the garbage can enter a water turbine of a power generating unit, so that the normal operation of the power generating unit is influenced, and even the machine is damaged. Every autumn in the lake surface and the reservoir of the park, various fallen leaves are fully distributed on the water surface, which not only influences the water quality, but also pollutes the environmental sanitation and hinders the viewing. The floating garbage thrown by people at ordinary times has some floating objects on the lake surface to be cleaned.

For example, the patent name is that a water surface garbage cleaning boat (patent number: 201720337684.3) comprises a boat body, a supporting plate and a motor are arranged on the right side of the boat body, the motor is connected with a driving wheel through a motor shaft, the supporting plate is connected with a conveying frame through a pin shaft, the conveying frame is connected with a driven shaft through a bearing, a driving belt wheel is sleeved on the driven shaft in the middle of the conveying frame, driven belt wheels are sleeved on the driven shafts at two ends of the conveying frame, the driving belt wheel is connected with the driven belt wheels through a conveying belt, the right end of the conveying frame is connected with a vertical plate through a connecting plate, the bottom of the vertical plate is connected with the conveying frame through a reinforcing plate, the lower portion. The utility model discloses a through set up the salvage fork dish on the hull, nevertheless some rivers are very narrow salvage and can't get into at all often, can only salvage through the manual work.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a device and a method for cleaning and recovering flotage on a narrow river surface, and solves the problem of fishing the flotage on the narrow river channel in the background technology.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a cleaning and recycling device for flotage on a narrow river surface comprises a shell, a flotage device, a power mechanism, a motor, a collecting plate, a cleaning plate and a rotating plate, wherein the motor is positioned at the upper part of the shell, the power mechanism is positioned at the lower part of the shell, a first transmission shaft is arranged on an output shaft of the motor, the first transmission shaft penetrates through the shell and then is connected with the power mechanism, and the power mechanism drives the shell to move forwards; the collecting plate is positioned at the upper part of the shell and is concave, a telescopic plate and a connecting rod are arranged in the collecting plate, and the telescopic plate is connected with the connecting rod; a telescopic mechanism is arranged in the shell and connected with the connecting rod, a telescopic plate is telescopic along with the telescopic mechanism, and the telescopic mechanism is in linkage connection with the first transmission shaft; the shell is provided with an opening corresponding to the telescopic plate and used for collecting floating objects on the river surface.

The rotating plate is positioned at the bottom of the shell and is rotationally connected with the shell, the rotating plate is connected with the cleaning plate, and the cleaning plate rotates along with the rotating plate; the cleaning plate is positioned at the lower side of the collecting plate and used for cleaning a shell (a floating object at the forefront end), a driving mechanism is further arranged in the shell and used for driving the rotating plate to rotate, and the floating device is positioned at the bottom of the rotating plate and used for providing buoyancy for the recovery device.

Preferably, the telescopic mechanism comprises a rack frame and a sector gear, the driving mechanism comprises a first upper plate, a first sliding groove parallel to the connecting rod is formed in the upper portion of the first upper plate, the rack frame is located in the first sliding groove and is in sliding connection with the first sliding groove, a second upper plate is arranged on the rack frame, and the second upper plate is connected with the first upper plate through the first sliding groove; the sector gear is positioned in the rack frame and is meshed with the rack frame, and a first cover plate is arranged at the upper part of the rack frame; the sector gear is connected with the first transmission shaft; the outer side of the rack frame is connected with a connecting rod, and the connecting rod stretches and retracts along with the sliding of the rack frame.

Preferably, the driving mechanism further comprises a first lower plate, a volute spiral spring plate, a second transmission shaft and a waterwheel, wherein the shell is provided with a water inlet and a water outlet, the water inlet is positioned on the shell and positioned on one side far away from the propeller, and the water outlet is positioned on the shell and positioned on one side close to the propeller; one end of the lower plate I is connected with the water inlet, the other end of the lower plate I is connected with the water outlet, the upper plate I covers the lower plate I, and an accommodating space is formed between the upper plate I and the lower plate I; the waterwheel is positioned in the accommodating space, the volute spiral spring plate is rotationally connected with the lower plate, and a second transmission shaft is arranged at the bottom of the waterwheel; one end of the transmission shaft II, which is far away from the waterwheel, is connected with the inner volute spring of the volute spiral spring plate, and the transmission shaft II is sleeved on the transmission shaft I and drives the volute spiral spring plate to be tightened through the waterwheel; and a second cover plate is covered on the upper part of the volute spiral spring plate, and the volute spiral spring plate is connected with the rotating plate.

Preferably, one end of the lower plate close to the water inlet is arc-shaped; the waterwheel is provided with blades, the blades are in a circular arc shape, one end of the lower plate, which is close to the water inlet, is adaptive, and the blades are not contacted with the inner side wall of the lower plate.

Preferably, a ratchet wheel is arranged on the inner side of the rotating plate, and a pawl hinged with the spiral spring plate is arranged on the outer side of the spiral spring plate; when the volute spiral spring is loosened, the pawl and the ratchet wheel are clamped mutually; when the volute spiral spring is tightly clamped, the volute spiral spring plate is driven to rotate, and the pawl and the ratchet wheel are mutually loosened.

Preferably, the cleaning plate comprises a first cleaning plate and a second cleaning plate, the first cleaning plate is connected with the rotating plate, the second cleaning plate is hinged to the first cleaning plate, a spring is arranged at the hinged position, one end of the spring is connected with the first cleaning plate, and the other end of the spring is connected with the second cleaning plate; the second cleaning plate is parallel to the first cleaning plate when not contacting the collecting plate, and the second cleaning plate is overturned backwards when passing through the collecting plate.

Preferably, a collecting box connected with the shell in a sliding manner is arranged in the shell; a bottom plate is arranged at the bottom of the shell, and a second sliding groove is formed in the bottom plate; the bottom of the collection box is provided with a second sliding block matched with the second sliding groove; the collection bin is located on the underside of the opening.

Preferably, the power mechanism further comprises a power box, the power box comprises a box body, and a first bevel gear, a second bevel gear and a third transmission shaft are arranged in the box body; the first transmission shaft penetrates through the power box, and the first bevel gear is positioned at one end, entering the power box, of the first transmission shaft; the third transmission shaft is parallel to the water inlet, one end of the third transmission shaft is pivoted with the inner wall of the box body, and the other end of the third transmission shaft is connected with the propeller on one side far away from the water inlet.

Preferably, the water inlet and the water outlet are both provided with filter screens.

(III) advantageous effects

The invention provides a device and a method for cleaning and recovering floaters on a narrow river surface. The method has the following beneficial effects:

1. the recovery device moves forwards in the river channel by arranging the motor, arranging the first transmission shaft on the output shaft of the motor, penetrating through the shell and then connecting the first transmission shaft with the power box to drive the propeller on the power box to rotate. The collecting plate is arranged on the shell, the collecting plate is internally provided with a telescopic plate which is connected with the collecting plate in a sliding manner, and the telescopic plate is connected with the telescopic mechanism in the shell through a connecting rod, so that the telescopic plate can continuously stretch in the collecting plate and is used for collecting floaters on the river side. This clearance recovery unit is when moving forward, because telescopic machanism only is located this recovery unit's both sides, and probably leads to the water inlet of the device front end to block up, so be provided with actuating mechanism in the device for thereby the drive rotor plate rotates and drives the clearance board rotation of collection board lower part, thereby the clearance blocks up the floater in water inlet department. And the driving mechanism drives the rotating plate to rotate only when the water inlet is blocked, so that the resistance of the cleaning and recovering device in advancing on the river surface is reduced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is another schematic structural view of the present invention;

FIG. 3 is a schematic view of the internal structure of the present invention;

FIG. 4 is a schematic structural view of a telescopic mechanism according to the present invention;

FIG. 5 is a schematic view of the driving mechanism of the present invention;

FIG. 6 is a schematic view of the bottom of the housing according to the present invention;

FIG. 7 is a schematic view of the structure of the collection box of the present invention;

FIG. 8 is an enlarged view of a portion A of the present invention;

FIG. 9 is a schematic view of the cleaning plate according to the present invention;

FIG. 10 is a schematic view of the structure within the power box of the present invention;

FIG. 11 is a schematic representation of the use of the present invention.

In the figure: 1 shell, 2 motors, 3 power boxes, 31 bevel gear I, 32 bevel gear II, 33 transmission shaft III, 34 boxes, 4 propellers, 5 openings, 6 floating devices, 7 collection boxes, 71 slide blocks II, 8 cleaning plates, 81 cleaning plates I, 82 cleaning plates II, 83 springs, 9 collection plates, 10 expansion plates, 101 connecting rods, 11 water inlets, 111 water outlets, 12 rotating plates, 13 batteries, 14 transmission shaft I, 151 sector gears, 152 rack frames, 153 cover plates I, 154 chute I, 161 upper plate I, 162 waterwheel, 163 lower plate I, 164 volute spring plates, 165 cover plates II, 166 volute springs, 167 transmission shaft II, 168 pawls, 17 floats, 18 chute II, 17 floats,

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

The embodiment of the invention provides a device and a method for cleaning and recovering flotage on a narrow river surface, and the device and the method are shown in figures 1-11, and comprise a shell 1, a floating device 6, a power box 3, a motor 2, a collecting plate 9, a cleaning plate 8 and a rotating plate 12, wherein the motor 2 is positioned at the upper part of the shell 1, and a first transmission shaft 14 is arranged on an output shaft of the motor 2 and is used for transmitting the rotation of the motor 2. The first transmission shaft 14 penetrates through the shell 1 and then is connected with the power box 3 at the lower part of the shell 1, the propeller 4 is arranged on the power box 3, and the propeller 4 is rotated through the first transmission shaft 14 so as to drive the cleaning and recovering device to move forwards, so that the operation of workers can be completely replaced. Both sides all are provided with collecting plate 9 on casing 1, a floater 17 for collecting the river, collecting plate 9 is the spill, be equipped with expansion plate 10 and connecting rod 101 in the collecting plate 9, expansion plate 10 links to each other with connecting rod 101, be equipped with telescopic machanism in casing 1, connecting rod 101 links to each other with telescopic machanism, make expansion plate 10 follow telescopic machanism and stretch out and draw back, and set up opening 5 corresponding with collecting plate 9 on casing 1, make in the continuous flexible floater 17 with the river of expansion plate 10 collects casing 1, make things convenient for the collection of workman to the river floater. The telescopic mechanism comprises a rack frame 152 and a sector gear 151, the sector gear 151 is arranged on a first transmission shaft 14 and rotates along with the first transmission shaft 14, the inner side of the rack frame 152 is provided with a tooth form, and the sector gear 151 is positioned in the rack frame 152 and meshed with the rack frame 152. The shell 1 is further internally provided with a driving mechanism, the driving mechanism is located at the lower portion of the rack frame 152, the driving mechanism comprises a first upper plate 161, a first sliding groove 154 is formed in the first upper plate 161, the first sliding groove 154 is parallel to the connecting rod 101, the rack frame 152 is located in the first sliding groove 154 and is in sliding connection with the first sliding groove 154, and a first cover plate 153 is arranged on the upper portion of the rack frame 152 to prevent the rack frame 152 from sliding out of the sliding groove. The two sides of the rack frame 152 are respectively connected with the connecting rod 101, the rack frame 152 moves left and right in the first sliding groove 154 and simultaneously drives the connecting rod 101 to move left and right, so that the expansion plate 10 moves left and right in the collecting plate 9 to collect the flotage 17 on the river surface.

The bottom of the shell 1 is provided with a rotating plate 12 which is rotatably connected with the shell 1, the rotating plate 12 is provided with a cleaning plate 8, and the cleaning plate 8 is positioned at the lower side of the collecting plate 9 and follows the rotation of the rotating plate 12. The collecting plate 9 can only clear up the float that is located casing 1 both sides, and when the floater 17 was located the casing 1 front end, collecting plate 9 can't clear up floater 17, and the rotation of rotor plate 12 is followed to clearance board 8, will be located the floater 17 of casing 1 front end and push away to one side of collecting plate 9, and the floater 17 that pushes away clearance board 8 by collecting plate 9 is collected into casing 1 in, plays better clearance effect. The rotation of the rotating plate 12 drives the rotation of the rotating plate 12 through a driving mechanism in the shell 1, the driving mechanism further comprises a first lower plate 163, a volute spiral spring plate 164, a second transmission shaft 167 and a waterwheel 162, the shell 1 is provided with a water outlet 111 and a water inlet 11, the water inlet 11 is positioned at the front end of the shell 1, is perpendicular to the collecting plate 9 and is far away from the propeller 4, and the water outlet 111 is positioned at the rear end of the shell 1. The position of the water inlet 11 and the collecting plate 9 are in the same plane, which is more beneficial to detecting whether the floater 17 exists at the front end of the shell 1. The lower plate 163 and the upper plate 161 are mutually covered to form a sealed accommodating space, one end of the accommodating space is connected with the water inlet 11, and the other end of the accommodating space is connected with the water outlet 111. The waterwheel 162 is located in the accommodating space, the waterwheel 162 is rotatably connected with the lower plate 163, and when the cleaning and recycling device moves forwards, water flows into the accommodating space through the water inlet 11 and out of the water outlet 111, so that the accommodating space waterwheel 162 is driven to rotate. The lower part of the waterwheel 162 is provided with a second transmission shaft 167, and the second transmission shaft 167 is in an annular sleeve shape, is sleeved on the first transmission shaft, is not in direct contact with the first transmission shaft 14, and rotates relative to the first transmission shaft 14. The scroll spring plate 164 is rotatably connected to the rotating plate 12, and one end of the transmission shaft 167 remote from the waterwheel 162 is connected to the scroll spring 166 of the scroll spring plate 164, so that the scroll spring 166 is tightened by the rotation of the waterwheel 162. The second cover plate 165 covers the spiral spring plate 164 to prevent the spiral spring 166 from separating from the spiral spring plate 164. The inner side of the rotating plate 12 is provided with a ratchet wheel, and the outer side of the spiral spring plate 164 is provided with a pawl 168 hinged with the spiral spring plate 164. When the scroll spring 166 is tightened, the waterwheel 162 still tightens the floating scroll spring 166, the scroll spring plate 164 rotates, the pawl 168 is not engaged with the ratchet wheel, so that the scroll spring plate 164 rotates in the rotating plate 12. When the scroll spring 166 is released, the scroll spring plate 164 rotates, and the pawl 168 engages with the ratchet wheel, so that the rotating plate 12 rotates along with the scroll spring plate 164. Rivers constantly get into and constantly make waterwheel 162 rotatory when passing through waterwheel 162 from water inlet 11 to drive the interior volute spiral spring 166 of volute spiral spring board 164 simultaneously and tighten, when water inlet 11 was blockked up, rivers do not pass through waterwheel 162, waterwheel 162 stops rotatoryly, volute spiral spring 166 release in volute spiral spring board 164 drives rotor plate 12 rotatory, and drives simultaneously and clear up the board 8 rotation, pass water inlet 11 to collection board 9 department, collection board 9 collects floater 17. When there is no floating object at the water inlet 11, the water flow enters the lower plate 163 through the water inlet 11 again to drive the waterwheel 162 on the lower plate 163 to rotate continuously so as to tighten the spiral spring 166, storing potential energy and providing energy for the next blockage of the water inlet 11. The problem of this cleaning device water inlet 11 jam when the river surface moves forward is solved. One end of the lower plate 163 close to the water inlet 11 is arc-shaped, the water wheel 162 is provided with a blade, the blade is arc-shaped in the lower plate 163 close to one end of the water inlet 11, so that water flows pass through the water inlet 11, the water wheel 162 can be more comprehensively impacted by water flows, the water wheel 162 is more powerful in rotation, and the scroll spring 166 in the scroll spring plate 164 is conveniently tightened. The water outlet 111 and the water inlet 11 are both provided with filter screens to prevent the river surface floating objects 17 from directly entering the accommodating chamber to interfere with the waterwheel 162.

The cleaning plate 8 comprises a first cleaning plate 81 and a second cleaning plate 82, the first cleaning plate 81 is connected with the rotating plate 12, and the first cleaning plate 81 is positioned at the lower part of the collecting plate 9 and follows the rotation of the rotating plate 12. The second cleaning plate 82 is hinged to the first cleaning plate 81, a spring 83 is arranged at the hinged position, one end of the spring 83 is connected with the first cleaning plate 81, and the other end of the spring 83 is connected with the second cleaning plate 82. When the second cleaning plate 82 does not pass through the first cleaning plate 81, the second cleaning plate is parallel to the first cleaning plate 9, so that the positions where the first cleaning plate 9 is not cleaned can be effectively cleaned; two 82 cleaning plate overturn backward through two 82 cleaning plate behind the collecting plate 9, prevent that two 82 cleaning plate from preventing direct striking on collecting plate 9, cause the destruction to two 82 cleaning plate, through collecting plate 9 after, through the effect of spring 83 with two 82 cleaning plate resume to with the state that cleaning plate 81 is parallel to each other.

The power box 3 comprises a box body 34, a first bevel gear 31, a second bevel gear 32 and a third transmission shaft 33, wherein the first bevel gear 31, the second bevel gear 32 and the third transmission shaft 33 are positioned in the box body 34, and the first transmission shaft 14 penetrates through the box body 34 to enter the box body 34 and is connected with the first bevel gear 31. The second bevel gear 32 and the first bevel gear 31 are mutually meshed and perpendicular to each other, the third transmission shaft 33 is connected with the second bevel gear 32, one end of the third transmission shaft is pivoted with the inner wall of the box body 34, and the other end of the third transmission shaft is connected with the propeller 4. The propeller 4 is driven to rotate through the first transmission shaft 14.

The housing 1 is provided with a collection box 7 slidably connected to the housing 1, and the collection box 7 is located below the opening 5 and is used for collecting flotage 17 collected from the river surface. The bottom of the shell 1 is provided with a second sliding groove 18, the bottom of the collecting box 7 is provided with a second sliding block 71 matched with the second sliding groove 18, the collecting box 7 slides into the shell 1 through the second sliding groove 18, and the outer side of the collecting box 7 is matched with the outer side of the shell 1, so that the forward process is smoother. The collecting box 7 is provided with a filtering hole for filtering river water in the collecting box 7, so that workers can take out the collecting box 7 conveniently and can pour floating objects 17 in the collecting box 7.

The top of the housing 1 is provided with a battery 13 for providing power for the rotation of the motor 2. The rotating bottom is provided with a floating device 6, the floating device 6 is an inflatable floating device 6, and the height of the cleaning and recovering device floating on the water surface can be adjusted according to the water depth. By adjusting the content of the gas in the floating device 6, the floating device 6 generates different buoyancy, and the collecting plate 9 is positioned on the river surface to collect the floaters 17 on the river surface

The working principle is as follows: the invention arranges the motor 2 on the top of the shell 1, and the output shaft of the motor 2 is provided with a first transmission shaft 14. The first transmission shaft 14 penetrates through the shell 1 and is connected with the power box 3, and provides power for the propeller 4 on the power box 3 to enable the cleaning and recycling device to move forwards. Be provided with collecting plate 9 on casing 1, and be equipped with on casing 1 with the corresponding opening 5 of collecting plate 9, be equipped with the expansion plate 10 with collecting plate 9 sliding fit in the collecting plate 9, expansion plate 10 links to each other through connecting with casing 1's internal rack frame 152, be equipped with the sector gear 151 with rack frame 152 intermeshing in the rack frame 152, sector gear 151 links to each other with transmission shaft 14, thereby it controls to drive rack frame 152 and remove about through sector gear 151's rotation, thereby it is flexible at collecting plate 9 to drive expansion plate 10, collect floater 17 on the river surface. The bottom of the shell 1 is provided with a rotating plate 12 which is rotatably connected with the shell 1, the rotating plate 12 is connected with a cleaning plate 8, and the rotating plate 12 drives the rotating plate 12 to rotate through a driving mechanism in the shell 1. The shell 1 is provided with a water inlet 11 and a water outlet 111, an upper plate 161 and a lower plate 163 of the driving mechanism, the upper plate 161 and the lower plate 163 form an accommodating space, one end of the accommodating space is connected with the water inlet 11, and the other end of the accommodating space is connected with the water outlet 111. When the cleaning and recycling device moves forward, water enters from the water inlet 11 and drives the waterwheel 162 in the accommodating space to rotate, and the waterwheel 162 enables the spiral spring 166 in the spiral spring plate 164 to tighten through the second rotating shaft. When the water inlet 11 is blocked, the water wheel 162 stops rotating, the spiral spring 166 is released, and the rotating plate 12 is driven to rotate, so that the cleaning plate 8 cleans the flotage 17 blocked at the water inlet 11.

In summary, in the present invention, the collecting plate 9 is provided on the casing 11 to collect the floating objects 17 on the river surface, and the telescopic plate 10 slidably connected to the collecting plate 9 is provided in the collecting plate 9 to push the floating objects 17 on the collecting plate 9 into the collecting box 7. And casing 1 bottom sets up the rotor plate 12 of being connected with casing 1 rotation, is equipped with clearance board 8 on the rotor plate 12, and clearance board 8 follows the rotation of rotor plate 12, and clearance board 8 is the below of collecting plate 9 for the place that the clearance collecting plate 9 can't be cleared up.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a narrow river surface floater clearance recovery unit which characterized in that: the automatic cleaning device comprises a shell (1), a floating device (6), a power mechanism, a motor (2), a collecting plate (9), a cleaning plate (8) and a rotating plate (12), wherein the motor (2) is positioned at the upper part of the shell (1), the power mechanism is positioned at the lower part of the shell (1), a first transmission shaft (14) is arranged on an output shaft of the motor (2), the first transmission shaft (14) penetrates through the shell (1) and then is connected with the power mechanism, and the power mechanism drives the shell (1) to move forwards; the collecting plate (9) is positioned at the upper part of the shell (1), the collecting plate (9) is concave, a telescopic plate (10) and a connecting rod (101) are arranged in the collecting plate (9), and the telescopic plate (10) is connected with the connecting rod (101); a telescopic mechanism is arranged in the shell (1), the telescopic mechanism is connected with the connecting rod (101), the telescopic plate (10) stretches along with the telescopic mechanism, and the telescopic mechanism is in linkage connection with the first transmission shaft (14); the shell (1) is provided with an opening (5) corresponding to the expansion plate (10) and used for collecting flotage (17) on the river surface;

the rotating plate (12) is positioned at the bottom of the shell (1) and is rotationally connected with the shell (1), the rotating plate (12) is connected with the cleaning plate (8), and the cleaning plate (8) rotates along with the rotating plate (12); the cleaning plate (8) is positioned at the lower side of the collecting plate (9) and is used for cleaning the flotage (17) at the foremost end of the shell (1); the shell (1) is also internally provided with a driving mechanism for driving the rotating plate (12) to rotate; the floating device (6) is positioned at the bottom of the rotating plate (12) and provides buoyancy for the recovery device;

the driving mechanism further comprises a first lower plate (163), a volute spring plate (164), a second transmission shaft (167) and a waterwheel (162), wherein a water inlet (11) and a water outlet (111) are formed in the shell (1), the water inlet (11) is located on the shell (1) and located in the advancing direction of the shell (1), and the water outlet (111) is located on the shell (1) and close to one side of the propeller (4); one end of the first lower plate (163) is connected with the water inlet (11), the other end of the first lower plate is connected with the water outlet (111), the first upper plate (161) covers the first lower plate (163), and an accommodating space is formed between the first upper plate (161) and the first lower plate (163); the waterwheel (162) is positioned in the accommodating space, the volute spiral spring plate (164) is rotatably connected with the lower plate I (163), and a second transmission shaft (167) is arranged at the bottom of the waterwheel (162); one end of the second transmission shaft (167) far away from the waterwheel (162) is connected with an inner volute spring (166) of the volute spiral spring plate (164), and the second transmission shaft (167) is sleeved on the first transmission shaft (14) and drives the volute spiral spring plate (164) to be tightened through the waterwheel (162); a second cover plate (165) is covered on the upper part of the volute spiral spring plate (164), and the volute spiral spring plate (164) is connected with the rotating plate (12);

the telescopic mechanism comprises a rack frame (152) and a sector gear (151), the driving mechanism comprises a first upper plate (161), a first sliding groove (154) parallel to the connecting rod (101) is formed in the upper portion of the first upper plate (161), the rack frame (152) is located in the first sliding groove (154) and is in sliding connection with the first sliding groove (154), a second upper plate is arranged on the rack frame (152), and the second upper plate is connected with the first upper plate (161) through the first sliding groove (154); the sector gear (151) is positioned in the rack frame (152) and is meshed with the rack frame (152), and a first cover plate (153) is arranged at the upper part of the rack frame (152); the sector gear (151) is connected with the first transmission shaft (14); the outer side of the rack frame (152) is connected with a connecting rod (101), and the connecting rod (101) stretches and retracts along with the sliding of the rack frame (152);

one end, close to the water inlet (11), of the first lower plate (163) is arc-shaped; the waterwheel (162) is provided with blades, the blades are arc-shaped, one end of the lower plate I (163) close to the water inlet (11) is matched with the arc-shaped, and the blades are not contacted with the inner side wall of the lower plate I (163).

2. The device for cleaning and recovering floaters on narrow river surface according to claim 1, wherein: a ratchet wheel is arranged on the inner side of the rotating plate (12), and a pawl (168) hinged with the spiral spring plate (164) is arranged on the outer side of the spiral spring plate (164); when the scroll spring (166) is loosened, the pawl (168) and the ratchet wheel are mutually clamped; when the scroll spring (166) is clamped, the scroll spring plate (164) is driven to rotate, and the pawl (168) and the ratchet wheel are mutually loosened.

3. The device for cleaning and recovering floaters on narrow river surface according to claim 1, wherein: the cleaning plate (8) comprises a first cleaning plate (81) and a second cleaning plate (82), the first cleaning plate (81) is connected with the rotating plate (12), the second cleaning plate (82) is hinged to the first cleaning plate (81), a spring (83) is arranged at the hinged position, one end of the spring (83) is connected with the first cleaning plate (81), and the other end of the spring (83) is connected with the second cleaning plate (82); the second cleaning plate (82) is parallel to the first cleaning plate (81) when not contacting the collecting plate (9), and the second cleaning plate (82) is turned backwards when passing through the collecting plate (9).

4. The device for cleaning and recovering floaters in narrow river surface according to claim 1, wherein: a collecting box (7) which is connected with the shell (1) in a sliding way is arranged in the shell (1); a bottom plate is arranged at the bottom of the shell (1), and a second sliding groove (18) is formed in the bottom plate; a second sliding block (71) matched with the second sliding groove (18) is arranged at the bottom of the collecting box (7); the collecting box (7) is positioned at the lower side of the opening (5).

5. The device for cleaning and recovering floaters on narrow river surface according to claim 1, wherein: the power mechanism further comprises a power box, the power box (3) comprises a box body (34), and a first bevel gear (31), a second bevel gear (32) and a third transmission shaft (33) are arranged in the box body (34); the first transmission shaft (14) penetrates through the power box (3), and the first bevel gear (31) is positioned at one end, entering the power box (3), of the first transmission shaft (14); the third transmission shaft (33) is parallel to the water inlet (11), one end of the third transmission shaft (33) is pivoted with the inner wall of the box body (34), and the other end of the third transmission shaft is connected with the propeller (4) on one side far away from the water inlet (11).

6. The device for cleaning and recovering floaters on narrow river surface according to claim 1, wherein: and filter screens are arranged on the water inlet (11) and the water outlet (111).

7. A method of recovering the apparatus for cleaning and recovering the flotage on the narrow river surface according to any one of claims 1 to 6, wherein: according to the invention, the motor (2) is arranged at the top of the shell (1), the first transmission shaft (14) is arranged on the output shaft of the motor (2), the first transmission shaft (14) penetrates through the shell (1) and then is connected with the power box (3), and provides power for the propeller (4) on the power box (3) to enable the cleaning and recovering device to move forwards. A collecting plate (9) is arranged on the shell (1), an opening (5) corresponding to the collecting plate (9) is formed in the shell (1), a telescopic plate (10) in sliding fit with the collecting plate (9) is arranged in the collecting plate (9), the telescopic plate (10) is connected with an internal rack frame (152) of the shell (1) through connection, a sector gear (151) meshed with the rack frame 152 is arranged in the rack frame (152), the sector gear (151) is connected with a first transmission shaft (14), the rack frame (152) is driven to move left and right through rotation of the sector gear (151), so that the telescopic plate (10) is driven to stretch out and draw back on the collecting plate (9) to collect floating objects (17) on the river surface, a rotating plate (12) rotationally connected with the shell (1) is arranged at the bottom of the shell (1), a cleaning plate (8) is connected to the rotating plate (12), and the rotating plate (12) passes through a driving mechanism in the shell (1), drive rotating plate (12) and rotate, be equipped with water inlet (11) and delivery port (111) on casing (1), actuating mechanism's first upper plate (161) and first (163) of lower board, first upper plate (161) and first (163) of lower board form accommodation space, accommodation space's one end links to each other with water inlet (11), the other end links to each other with delivery port (111), when clearance recovery unit moves forward, rivers get into and drive waterwheel (162) rotation in the accommodation space from water inlet (11), waterwheel (162) make volute spiral spring (166) in volute spiral spring board (164) tighten through axis of rotation two, when water inlet (11) are blockked up, waterwheel (162) stall, spring (166) release, drive rotating plate (12) and rotate, make clearance board (8) clearance hang floater (17) of blockking up in water inlet (11).