阅读说明：本技术 升船机引航道水域船载渔网清理装置的使用方法 (Using method of ship lift navigation channel water area shipborne fishing net cleaning device ) 是由 李然 汤伟毕 齐俊麟 陈冬元 陈林 石锋 郑琴霞 王婷婷 宋伟 彭享文 于 2020-06-05 设计创作，主要内容包括：一种升船机引航道水域船载渔网清理装置的使用方法,包括如下步骤：船体行驶至渔网所在引航道水域,减速电机通过联轴器驱动凸轮分割器工作：位于凸轮分割器输出轴上的第一链轮间歇转动,第一链轮通过链条传动使第二链轮间歇转动,第二链轮带动滚筒逆时针转动,通过滚筒上的挂钩转动勾住渔网并将渔网拖拽至机罩腔体内,位于机罩内壁上的割刀与渔网相对运动将其切割成条状。本发明实现了渔网自动清理,提高渔网的清理效率以及升船机运行的安全稳定性。(A use method of a ship-borne fishing net cleaning device for a ship lift approach water area comprises the following steps: the hull traveles to the approach route waters at fishing net place, and gear motor passes through shaft coupling drive cam divider work: the first chain wheel on the output shaft of the cam divider rotates intermittently, the first chain wheel drives the second chain wheel to rotate intermittently through chain transmission, the second chain wheel drives the roller to rotate anticlockwise, the fishing net is hooked through the rotation of the hook on the roller and is dragged to the hood cavity, and the cutting knife on the inner wall of the hood moves relative to the fishing net to cut the fishing net into strips. The automatic cleaning device realizes automatic cleaning of the fishing net, and improves the cleaning efficiency of the fishing net and the safety and stability of the operation of the ship lift.)

1. A use method of a ship-borne fishing net cleaning device in a ship lift approach water area is characterized by comprising the following steps:

s1: the hull traveles to the approach route waters at fishing net place, and gear motor (1) drives cam wheel splitter (3) work through shaft coupling (2): a first chain wheel (16) positioned on an output shaft of the cam divider (3) intermittently rotates, the first chain wheel (16) enables a second chain wheel (21) to intermittently rotate through chain transmission, the second chain wheel (21) drives a roller (32) to anticlockwise rotate, a fishing net is hooked and dragged to a cavity of a hood (23) through rotation of a hook (3201) on the roller (32), and a cutting knife positioned on the inner wall of the hood (23) moves relative to the fishing net to cut the fishing net into strips;

s2: when the roller (32) is in a static state, a V-shaped structural groove (3202) on the roller (32) is superposed with V-shaped structural grooves on two side walls of the hood (23); a first bevel gear (4) positioned at the other shaft end of the cam divider (3) continuously rotates, the first bevel gear (4) drives a main shaft (6) to rotate through meshing transmission with a second bevel gear (5), the main shaft (6) drives a cam (24) to rotate, the cam (24) drives an L-shaped swing rod (25) to reciprocate by taking a second hinge shaft as an axis, and the L-shaped swing rod (25) drives a support arm (17) to reciprocate by taking the first hinge shaft as the axis;

s3: when the support arm (17) stops at the lowest position, the roller (32) stops rotating for a time period, at the moment, the main plate is positioned in a V-shaped structure groove (3202) of the roller (32), the first synchronous wheel (39) is driven to rotate through the motor, the first synchronous wheel (39) drives the second synchronous wheel (40) to rotate through the synchronous belt, the second synchronous wheel (40) drives the eccentric wheel shaft (11) to rotate, the eccentric wheel shaft (11) drives the second toothed plate (35) to reciprocate through the second fixing plate (38), and a row of V-shaped sawteeth at the lower ends of the first toothed plate and the second toothed plate further cut the fishing net through relative reciprocating motion, so that the purpose of cleaning the fishing net is achieved; when the arm (17) stops at the highest position, the roller (32) rotates for a time period, and the main plate is separated from the V-shaped structural groove (3202) of the roller (32).

2. The use method of the cleaning device for the shipborne fishing net in the water area of the ship lift approach channel according to claim 1, characterized in that: the method is based on a ship lift approach water area shipborne fishing net cleaning device, the ship lift approach water area shipborne fishing net cleaning device comprises a bottom plate (12), and a speed reducing motor (1), a side plate (7), a base (13), a bearing base (29) and a support (22) are installed on the bottom plate (12), and the method is characterized in that: the cam divider (3) is installed on the base (13), a shaft of the speed reducing motor (1) is connected with one end of an input shaft of the cam divider (3) through a coupler (2), a first chain wheel (16) is assembled on an output shaft of the cam divider (3), a first bevel gear (4) is installed on the other end of the input shaft of the cam divider (3), two bearing bases (29) are arranged, a second bearing base (28) is located on the bearing bases (29), a main shaft (6) is installed between the two second bearing bases (28), a second bevel gear (5) is fixed on one end of the main shaft (6), the first bevel gear (4) is meshed with the second bevel gear (5), and a cam (24) is assembled in the middle of the main shaft (6); two first hinged supports (14) are arranged on two sides of the side plate (7), a first hinged shaft (15) is assembled in a hole of each first hinged support (14), a second hinged support (26) is arranged in the middle of the side plate (7), a second hinged shaft (27) is assembled in a hole of each second hinged support (26), the two first hinged supports (14) are respectively hinged with the end parts of the two support arms (17), the two support arms (17) are fixed through a first connecting plate (8) and a second connecting plate (9), a U-shaped groove (41) is fixed below the first connecting plate (8), the second hinged shaft (27) is assembled with a central hole of the L-shaped swing rod (25), a roller at one end of the L-shaped swing rod (25) is positioned in a groove of the cam (24), a roller at the other end of the L-shaped swing rod (25) is positioned in the U-shaped groove (41), and the cam (24) rotates to drive the support arms (17) to intermittently and reciprocally swing through the L-shaped swing rod (25); the two supports (22) are respectively provided with a third bearing seat (30), a roller (32) shaft is assembled with the third bearing seat (30) through holes, the hood (23) is fixed between the two supports (22), the roller (32) shaft is provided with a second chain wheel (21), and the first chain wheel (16) and the second chain wheel (21) are in chain transmission;

the shipborne fishing net cleaning device further comprises a main plate (33), one side of the main plate (33) is fixedly connected with the two support arms (17) and the second connecting plate (9), the two limiting blocks (20) are fixed on one side of the main plate (33), a first toothed plate (34) and three first fixing plates (36) are fixed on the other side of the main plate (33), the lower end of the first toothed plate (34) is provided with a row of V-shaped sawteeth, waist-shaped holes are formed in the first fixing plates (36), and the second toothed plate (35) is located between the first toothed plate (34) and the three first fixing plates (36); the lower end of the second toothed plate (35) is provided with a row of V-shaped sawteeth;

seven groups of hooks (3201) are axially distributed on the roller (32), and the roller (32) rotates to hook the fishing net through the hooks (3201) and is dragged and wound; a plurality of groups of V-shaped structural grooves (3202) are uniformly distributed on the roller (32) along the axial direction; the first toothed plate (34) and the second toothed plate (35) are positioned in a V-shaped structural groove (3202) of the roller (32) when the main plate (33) is at the lowest position, and are used for cutting and cleaning the fishing net along the axial direction of the roller (32);

aircraft bonnet (23) front end is the horn mouth structure, and aircraft bonnet (23) inner wall has arranged a plurality of cutting knives (31) and a plurality of round hole, cutting knife (31) are used for along cylinder (32) circumferencial direction cutting clearance fishing net, aircraft bonnet (23) both sides wall has V-arrangement structure groove.

3. The use method of the cleaning device for the shipborne fishing net in the water area of the ship lift approach channel according to claim 2, characterized in that: three groups of rollers are mounted on the side surface of the second toothed plate (35), the three groups of rollers are respectively matched with the kidney-shaped holes in the first fixing plate (36), a second fixing plate (38) is fixed on the second toothed plate (35), and the kidney-shaped holes are formed in the second fixing plate (38); a first bearing seat (10) is installed on one side of the main plate (33), the first bearing seat (10) is matched with an eccentric wheel shaft (11), a second synchronizing wheel (40) is installed at one end of the eccentric wheel shaft (11), the other end of the eccentric wheel shaft is assembled with a waist-shaped hole in a second fixing plate (38), and when the eccentric wheel shaft (11) rotates, the second fixing plate (38) drives the second toothed plate (35) to horizontally reciprocate relative to the first toothed plate (34); second connecting plate (9) top is connected with mounting panel (19), mounting panel (19) side is fixed with motor (18), motor (18) epaxial first synchronizing wheel (39) of installing, first synchronizing wheel (39) pass through synchronous belt drive with second synchronizing wheel (40).

4. The use method of the cleaning device for the shipborne fishing net in the water area of the ship lift approach channel according to claim 2, characterized in that: and five hooks (3201) in each group are linearly arranged along the radial direction, and three groups of V-shaped structural grooves (3202) are uniformly distributed on the roller (32) along the axial direction.

Technical Field

The invention belongs to the technical field of cleaning of a water area of a navigation channel of a ship lift, and particularly relates to a using method of a ship-borne fishing net cleaning device for the water area of the navigation channel of the ship lift.

Background

In the navigation process of the ship, some abandoned fishing nets spread on the water surface can appear in the navigation channels upstream and downstream of the ship lift, the ship lift has high requirement on the speed limit of the ship in the navigation process, the ship can only navigate at low speed, and serious safety accidents such as irreversible damage to equipment facilities of the ship lift when the ship stalls are not controlled are avoided. Because the approach channel is narrow, and the channel resource is nervous, the condition that fishing net twines the screw often can appear in past boats and ships when passing through this waters, has very big potential safety hazard, influences the boats and ships navigation efficiency and the safety and stability operation of ship lift simultaneously, and the clearance of fishing net adopts more conventional manual cleaning mode at present: aiming at fishing nets close to two sides of the approach channel, a person manually cleans the fishing nets by a simple fishing tool; aiming at the fishing net close to the middle part of the navigation channel, a person takes a salvage ship to manually clean the fishing net, and the time consumption of the salvage ship and the deployment coordination of the person is long; these two kinds of clearance mode inefficiency occupy a large amount of navigation time and consume manpower and materials.

The existing fishing net cleaning device, such as a self-suction type underwater fishing net cleaning device disclosed in Chinese patent document CN 110090828A, absorbs a fishing net by generating suction force through a propeller, and the method is easy to generate larger vortex and has large energy consumption. The Chinese patent document CN 107971301A discloses a fishing net cleaning device which is not suitable for cleaning fishing nets in shipping riverways. The chinese patent document CN 107716473 a discloses "an operation method of a fishing net cleaning device", which is not suitable for cleaning a fishing net in a shipping river, but provides a method for collecting a fishing net, which cannot achieve the purpose of cleaning the fishing net in the river.

Disclosure of Invention

In view of the technical problems in the background art, the invention provides the using method of the ship-borne fishing net cleaning device in the water area of the ship lift approach channel, which realizes automatic cleaning of the fishing net, and improves the cleaning efficiency of the fishing net and the safety and stability of the operation of the ship lift.

In order to solve the technical problems, the invention adopts the following technical scheme to realize:

a use method of a ship-borne fishing net cleaning device for a ship lift approach water area comprises the following steps:

s1: the hull traveles to the approach route waters at fishing net place, and gear motor passes through shaft coupling drive cam divider work: a first chain wheel positioned on an output shaft of the cam divider rotates intermittently, the first chain wheel drives a second chain wheel to rotate intermittently through chain transmission, the second chain wheel drives the roller to rotate anticlockwise, the fishing net is hooked and dragged into the hood cavity through the rotation of a hook on the roller, and a cutting knife positioned on the inner wall of the hood moves relative to the fishing net to cut the fishing net into strips;

s2: when the roller is in a static state, one V-shaped structural groove on the roller is superposed with V-shaped structural grooves on two side walls of the hood; a first bevel gear positioned at the other shaft end of the cam divider continuously rotates, the first bevel gear drives the main shaft to rotate through meshing transmission with a second bevel gear, the main shaft drives the cam to rotate, the cam drives the L-shaped oscillating bar to reciprocate by taking the second hinge shaft as an axis, and the L-shaped oscillating bar drives the support arm to reciprocate by taking the first hinge shaft as the axis;

s3: when the support arm stops at the lowest position, the roller stops rotating for a time period, the main plate is located in a V-shaped structure groove of the roller at the time, the first synchronous wheel is driven to rotate by the motor, the second synchronous wheel is driven to rotate by the first synchronous wheel through the synchronous belt, the second synchronous wheel drives the eccentric wheel shaft to rotate, the eccentric wheel shaft drives the second toothed plate to reciprocate through the second fixing plate, and a row of V-shaped saw teeth at the lower ends of the first toothed plate and the second toothed plate further cut the fishing net through relative reciprocating motion, so that the purpose of cleaning the fishing net is achieved; when the supporting arm stops at the highest position, the roller rotates for a time period, and the main plate is separated from the V-shaped structural groove of the roller.

In the preferred scheme, the method is based on a ship lift approach water area shipborne fishing net cleaning device, the ship lift approach water area shipborne fishing net cleaning device comprises a bottom plate, and a speed reduction motor, a side plate, a base, a bearing base and a support are arranged on the bottom plate, and the method is characterized in that: the cam divider is mounted on the base, the speed reducing motor shaft is connected with one end of an input shaft of the cam divider through a coupler, an output shaft of the cam divider is provided with a first chain wheel, the other end of the input shaft of the cam divider is provided with a first bevel gear, the number of the bearing bases is two, the second bearing bases are positioned on the bearing bases, a main shaft is mounted between the two second bearing bases, one end of the main shaft is fixedly provided with a second bevel gear, the first bevel gear is meshed with the second bevel gear, and a cam is mounted in the middle of the main shaft; two first hinged supports are arranged on two sides of the side plate, a first hinged shaft is assembled in a first hinged support hole, a second hinged support is arranged in the middle of the side plate, a second hinged shaft is assembled in a second hinged support hole, the two first hinged supports are respectively hinged with the end parts of two support arms, the two support arms are fixed through a first connecting plate and a second connecting plate, a U-shaped groove is fixed below the first connecting plate, the second hinged shaft is assembled with a central hole of an L-shaped swing rod, a roller at one end of the L-shaped swing rod is positioned in a cam groove, a roller at the other end of the L-shaped swing rod is positioned in the U-shaped groove, and a cam rotates to drive the support arms to intermittently and reciprocally swing through the L-shaped swing rod; the two supports are respectively provided with a third bearing seat, a roller shaft is assembled with a third bearing seat hole, the hood is fixed between the two supports, the roller shaft is provided with a second chain wheel, and the first chain wheel and the second chain wheel are driven by a chain;

the shipborne fishing net cleaning device also comprises a main plate, wherein one side of the main plate is fixedly connected with the two support arms and the second connecting plate, the two limiting blocks are fixed on one side of the main plate, a first toothed plate and three first fixing plates are fixed on the other side of the main plate, the lower end of the first toothed plate is provided with a row of V-shaped sawteeth, the first fixing plate is provided with a waist-shaped hole, and the second toothed plate is positioned between the first toothed plate and the three first fixing plates; the lower end of the second toothed plate is provided with a row of V-shaped saw teeth;

seven groups of hooks are axially distributed on the roller, and the roller rotates to hook the fishing net through the hooks and drag and wind the fishing net; a plurality of groups of V-shaped structural grooves are uniformly distributed on the roller along the axial direction; when the main plate is at the lowest position, the first toothed plate and the second toothed plate are positioned in the V-shaped structural groove of the roller and are used for cutting and cleaning the fishing net along the axial direction of the roller;

the aircraft bonnet front end is the horn mouth structure, and a plurality of cutting knives and a plurality of round hole have been arranged to the aircraft bonnet inner wall, the cutting knife is used for cutting clearance fishing net along cylinder circumferencial direction, aircraft bonnet both sides wall has V-arrangement structure groove.

In a preferred scheme, three sets of rollers are mounted on the side surface of the second toothed plate, the three sets of rollers are respectively matched with the kidney-shaped holes in the first fixing plate, a second fixing plate is fixed on the second toothed plate, and the kidney-shaped holes are formed in the second fixing plate; a first bearing seat is installed on one side of the main plate and matched with an eccentric wheel shaft, a second synchronizing wheel is installed at one end of the eccentric wheel shaft, the other end of the eccentric wheel shaft is assembled with a waist-shaped hole in a second fixing plate, and when the eccentric wheel shaft rotates, the second fixing plate drives the second toothed plate to horizontally reciprocate relative to the first toothed plate; the motor is characterized in that a mounting plate is connected above the second connecting plate, a motor is fixed on the side edge of the mounting plate, a first synchronizing wheel is mounted on a motor shaft, and the first synchronizing wheel and the second synchronizing wheel are in synchronous belt transmission.

In the preferred scheme, each group of hooks is five and is linearly arranged along the radial direction, and three groups of V-shaped structural grooves are uniformly distributed on the roller along the axial direction.

This patent can reach following beneficial effect:

the automatic cleaning device can automatically clean the fishing net in the water area of the approach channel of the ship lift; the device is through the winding that pulls the fishing net to along two directions of cylinder circumference and axial to the cutting of fishing net, the cleaning efficiency is high, reaches the purpose of quick fishing net clearance.

Drawings

The invention is further illustrated by the following examples in conjunction with the accompanying drawings:

FIG. 1 is a bottom view of the inventive apparatus;

FIG. 2 is a front view of the apparatus of the present invention with the drum at rest

FIG. 3 is a front view of the apparatus of the present invention in a state where the drum is rotated

FIG. 4 is a rear view of the apparatus of the present invention;

FIG. 5 is a left side view of the apparatus of the present invention;

FIG. 6 is a partial view of the apparatus of the present invention;

FIG. 7 is a second partial view of the apparatus of the present invention;

FIG. 8 is a first perspective view of the apparatus of the present invention;

FIG. 9 is a second perspective view of the apparatus of the present invention;

FIG. 10 is a third perspective view of the device of the present invention;

FIG. 11 is a perspective view of the drum of the present invention;

FIG. 12 is a front view of the drum of the present invention;

FIG. 13 is a view of the single cycle movement of the cam mechanism of the present invention;

FIG. 14 is a graph of single cycle motion of the cam divider of the present invention.

In the figure: 1-speed reduction motor, 2-coupler, 3-cam divider, 4-first bevel gear, 5-second bevel gear, 6-main shaft, 7-side plate, 8-first connecting plate, 9-second connecting plate, 10-first bearing seat, 11-eccentric wheel shaft, 12-bottom plate, 13-base, 14-first hinged support, 15-first hinged shaft, 16-first chain wheel, 17-supporting arm, 18-motor, 19-mounting plate, 20-limiting block, 21-second chain wheel, 22-support, 23-hood, 24-cam, 25-L-shaped oscillating bar, 26-second hinged support, 27-second hinged shaft, 28-second bearing seat, 29-bearing base, 30-third bearing seat, 31-a cutting knife, 32-a roller, 33-a main plate, 34-a first toothed plate, 35-a second toothed plate, 36-a first fixing plate, 37-an idler shaft, 38-a second fixing plate, 39-a first synchronous wheel, 40-a second synchronous wheel and 41-a U-shaped groove.

Detailed Description

As shown in fig. 1 to 14, a cleaning device for a fishing net carried on a ship in a water area of a ship lift approach channel comprises a base plate 12, the bottom plate 12 is arranged on the unmanned ship, the speed reducing motor 1, the side plate 7, the base 13, the bearing base 29 and the support 22 are arranged on the bottom plate 12, the base 13 is provided with the cam divider 3, the shaft of the speed reducing motor 1 is connected with one end of the input shaft of the cam divider 3 through the coupling 2, the output shaft of the cam divider 3 is provided with a first chain wheel 16, the other end of the input shaft of the cam divider 3 is provided with a first bevel gear 4, the bearing base 29 is provided with two bearing seats 28, the second bearing seat 28 is positioned on the bearing base 29, the main shaft 6 is arranged between the two second bearing seats 28, a second bevel gear 5 is fixed at one end of the main shaft 6, the first bevel gear 4 is meshed with the second bevel gear 5, and a cam 24 is assembled in the middle of the main shaft 6; two first hinged supports 14 are arranged on two sides of the side plate 7, a first hinge shaft 15 is assembled in a hole of each first hinged support 14, a second hinged support 26 is arranged in the middle of the side plate 7, a second hinge shaft 27 is assembled in a hole of the second hinged support 26, the two first hinged supports 14 are respectively hinged with the end parts of two support arms 17, the two support arms 17 are fixed through a first connecting plate 8 and a second connecting plate 9, a U-shaped groove 41 is fixed below the first connecting plate 8, the second hinge shaft 27 is assembled with a center hole of an L-shaped swing rod 25, a roller at one end of the L-shaped swing rod 25 is positioned in a groove of a cam 24, a roller at the other end of the L-shaped swing rod 25 is positioned in the U-shaped groove 41, and the cam 24 rotates to drive the support arms 17 to intermittently and reciprocally swing through the L-shaped swing rod 25; the two supports 22 are respectively provided with a third bearing seat 30, the roller 32 shaft and the third bearing seat 30 are assembled in a hole mode, the hood 23 is fixed between the two supports 22, the roller 32 shaft is provided with a second chain wheel 21, and the first chain wheel 16 and the second chain wheel 21 are in chain transmission.

Further, the portable electronic device further comprises a main plate 33, one side of the main plate 33 is fixedly connected with the two support arms 17 and the second connecting plate 9, the two limit blocks 20 are fixed on one side of the main plate 33, the other side of the main plate 33 is fixed with a first toothed plate 34 and three first fixing plates 36, the lower end of the first toothed plate 34 is provided with a row of V-shaped saw teeth, waist-shaped holes are machined in the first fixing plate 36, the second toothed plate 35 is located between the first toothed plate 34 and the three first fixing plates 36, the lower end of the second toothed plate 35 is provided with a row of V-shaped saw teeth, three groups of rollers are installed on the side surface of the second toothed plate 35, the three groups of rollers are respectively matched with the waist-shaped holes in the first fixing plate 36, the second toothed plate 35 is fixed with a second fixing plate 38, and the second fixing plate 38 is provided with waist-shaped holes; a first bearing seat 10 is installed on one side of the main plate 33, the first bearing seat 10 is matched with an eccentric wheel shaft 11, a second synchronizing wheel 40 is installed at one end of the eccentric wheel shaft 11, the other end of the eccentric wheel shaft is assembled with a waist-shaped hole in a second fixing plate 38, and when the eccentric wheel shaft 11 rotates, the second fixing plate 38 drives the second toothed plate 35 to horizontally reciprocate relative to the first toothed plate 34; second connecting plate 9 top is connected with mounting panel 19, mounting panel 19 side is fixed with motor 18, motor 18 epaxial first synchronizing wheel 39 of installing, first synchronizing wheel 39 passes through synchronous belt drive with second synchronizing wheel 40.

Furthermore, seven groups of hooks 3201 are axially distributed on the drum 32, five hooks 3201 in each group are uniformly distributed along the radial direction, and the drum 32 rotates to hook the fishing net through the hooks 3201 and drag and wind the fishing net; three groups of V-shaped structural grooves 3202 are uniformly distributed on the roller 32 along the axial direction.

Further, 23 front ends of aircraft bonnet are the horn mouth structure, play the guide effect, and a plurality of cutting knives 31 and a plurality of round hole have evenly been arranged to 23 inner walls of aircraft bonnet, cutting knife 31 is used for cutting clearance fishing net along cylinder 32 circumferencial direction, and the round hole is used for reducing the water flow resistance, 23 both sides walls of aircraft bonnet have V-arrangement structural groove.

Further, the cam divider 3 is positioned to be equal to three in number, the ratio n1 of the parameter stroke angle to the rest angle and the ratio n2 of the cam 24 parameter near-rest angle to the sum of the push-stroke angle, the far-rest angle and the return angle are equal to each other, it is ensured that the main plate 33 is at the highest position and is separated from the V-shaped structure groove 3202 of the roller 32 in the rotation period of the roller, the roller is at the rest period of the roller when the main plate 33 is at the lowest position, the first tooth plate 34 and the second tooth plate 35 are located in the V-shaped structure groove 3202 of the roller 32 when the main plate 33 is at the lowest position and are used for cutting and cleaning the fishing net along the axial direction of the roller 32, and the bottom surfaces of the two limit blocks 20 are in contact with the upper end surface of the hood 23.

The use method of the shipborne fishing net cleaning device in the water area of the ship lift approach channel comprises the following steps:

s1: install this device on the hull, the hull traveles to the approach route waters at fishing net place, and gear motor 1 drives 3 work of cam wheel splitter through shaft coupling 2: the first chain wheel 16 on the output shaft of the cam divider 3 intermittently rotates, the first chain wheel 16 intermittently rotates the second chain wheel 21 through chain transmission, the second chain wheel 21 drives the roller 32 to rotate anticlockwise, the fishing net is hooked and dragged into the cavity of the hood 23 through the rotation of the hook 3201 on the roller 32, and the cutting knife on the inner wall of the hood 23 moves relative to the fishing net to cut the fishing net into strips;

s2: when the roller 32 is in a static state, one V-shaped structural groove 3202 on the roller 32 is superposed with V-shaped structural grooves on two side walls of the hood 23; the first bevel gear 4 positioned at the other shaft end of the cam divider 3 continuously rotates, the first bevel gear 4 drives the main shaft 6 to rotate through meshing transmission with the second bevel gear 5, the main shaft 6 drives the cam 24 to rotate, the cam 24 drives the L-shaped oscillating rod 25 to reciprocate by taking the second hinge shaft as an axis, and the L-shaped oscillating rod 25 drives the support arm 17 to reciprocate by taking the first hinge shaft as an axis;

s3: when the support arm 17 stops at the lowest position, the roller 32 stops rotating for a time period, at the time, the main plate is located in the V-shaped structure groove 3202 of the roller 32, the first synchronizing wheel 39 is driven to rotate by the motor, the first synchronizing wheel 39 drives the second synchronizing wheel 40 to rotate by the synchronizing belt, the second synchronizing wheel 40 drives the eccentric wheel shaft 11 to rotate, the eccentric wheel shaft 11 drives the second toothed plate 35 to reciprocate by the second fixing plate 38, and the row of V-shaped saw teeth at the lower ends of the first toothed plate and the second toothed plate further cut the fishing net by the relative reciprocating motion, so that the purpose of cleaning the fishing net is achieved; the roller 32 is rotating for a period of time when the arm 17 stops at the uppermost position, at which time the main plate is disengaged from the V-shaped groove 3202 of the roller 32.

The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and the scope of the present invention is defined by the claims, and equivalents including technical features described in the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.