CN115777332A - Electric slide rail type submerged plant collecting device - Google Patents

Abstract

The invention discloses an electric slide rail type submerged plant collection device and a collection method thereof. The collected submerged plants are used for monitoring the biomass of submerged plants and identifying species, and relate to the technical field of submerged plants collection and monitoring. It includes a rectangular frame made of stainless steel, and the inner walls on both sides of the rectangular frame are fixed with linear slide rails; the beneficial effect of the present invention is that the cutting assembly can drive the mobile cutting knife to move back and forth left and right, so as to cooperate with the fixed cutting knife It can cut the part of the plant body above the root of the submerged plant, prevent the root system of the submerged plant from being taken out together, try not to directly damage the root system of the submerged plant, reduce the damage of the submerged plant, and effectively prevent the disturbance of the sediment At the same time, the cut submerged plants are collected in a specific space through the nylon net bag on it, so as to prevent the broken branches of the cut submerged plants from drifting away, thereby affecting the biomass and species monitoring results of the submerged plants.

Description

An electric slide rail type submerged plant collection device

technical field

The invention relates to a collection device, in particular to an electric slide rail type submerged plant collection device and a collection method thereof. The collected submerged plants are used for monitoring the biomass of submerged plants and identifying species, and belong to submerged plants Collection technology field.

Background technique

As an important part of the lake ecosystem, submerged plants play an important role in the stability of the lake ecosystem. In recent years, a large number of eutrophic lakes have carried out water ecological restoration work. The most critical link is the planting and propagation of submerged plants. Among them, the monitoring of submerged plant species and biomass is an important factor for evaluating the effectiveness of lake water ecological restoration. Indicators are also important indicators for evaluating the health of lake ecosystems;

Among them, the "a small aquatic plant collection device" disclosed in the application number "201820751897.5" is also an increasingly mature technology. A first motor, the first motor transmission is connected with a collection part, a guide part is provided on both sides of the collection part, and a driving part is also provided on the back of the floating body. Cooperate to realize the free movement of the device; add collection parts at the same time, can realize the reliable collection of aquatic plants, and then realize automatic collection, improve the practicability of the device, the design of the present invention is reasonable, suitable for popularization and use”; but in practice There are also the following defects in use:

1) It is not convenient to collect submerged plants, and there are problems such as small and inaccurate sampling area, and disturbed sediment sediments, and the submerged plants cannot be completely collected;

2) It is easy to directly bring out the root system of submerged plants, and destroy the submerged plants that have just recovered.

Contents of the invention

The purpose of the present invention is to provide an electric slide rail type submerged plant collection device to solve the problem that the submerged plants cannot be completely collected by disturbing the sediment sediment and bringing out the root system of the submerged plants proposed in the background art.

In order to achieve the above object, the present invention provides the following technical solutions: an electric slide rail type submerged plant collection device, comprising a rectangular frame made of stainless steel, the inner walls of both sides of the rectangular frame are fixed with linear slide rails, the two sides The surfaces of the two linear slide rails are all slidably connected with a sliding seat, a connecting seat is fixed between the two sliding seats, a fixed cutting knife is fixed on one side of the connecting seat, and a fixed cutting knife is fixed at the bottom of the connecting seat. There is a moving groove, the inside of the moving groove is slidingly connected with a moving plate, one side of the moving plate is fixed with a moving cutting knife, and the other side of the connecting seat is fixed with a rectangular nylon cloth, and the rectangular nylon cloth One end is fixedly connected to the inner side of the rectangular frame, and the top of the connecting seat is provided with a cutting assembly.

Preferably, the cutting assembly includes a mounting base, a swing plate, a first transmission gear and a first transmission tooth plate, the mounting base is fixedly installed in the middle of the top end of the connecting base, and one side of the mounting base passes through the connecting shaft Rotately connected with the bottom of the swing plate, the first transmission gear is fixedly installed on the bottom of the swing plate, a guide groove is opened in the middle of the swing plate, and the first transmission tooth plate is fixed on the bottom of the swing plate. The top end of the moving plate, the first transmission gear is engaged with the first transmission tooth plate.

Preferably, the cutting assembly also includes a fixed frame, a waterproof driving motor, a turntable and a guide column, the fixed frame is fixedly arranged on the other side of the mounting seat, and the driving motor is fixedly installed on the fixed frame One end of the drive motor shaft is fixed with a turntable, and one side of the turntable is fixed with a guide column, and the guide column is slidably fitted with the guide groove.

Preferably, a moving component is also included, and the moving component is arranged on one side of the top of the rectangular frame.

Preferably, the moving assembly includes a second transmission tooth plate, a support column, a waterproof mobile motor and a second transmission gear, the second transmission tooth plate is fixedly arranged on one side of the top of the rectangular frame, and the support column It is fixedly arranged on the top of one of the sliding seats, the moving motor is fixedly installed on the top of the support column, and the transmission shaft of the moving motor is fixedly provided with a second transmission gear meshed with the second transmission tooth plate. gear.

Preferably, the four corners of the rectangular frame are provided with a pulling structure, and the pulling structure includes a pull rope, four connecting ropes, four connecting rings and four hanging rings, and the top end of the pulling rope is fixed with a pulling structure. The four connecting ropes are fixedly arranged at the bottom ends of the pull ropes respectively, the four connecting rings are respectively fixedly arranged at one end of the four connecting ropes, and the four hanging rings are respectively fixedly arranged at the bottom ends of the four connecting ropes. The four corners of the rectangular frame, the four hanging rings are respectively connected with the four connecting rings.

Preferably, one side of the two linear slide rails is provided with a chute, both sides of the rectangular nylon cloth are fixed with several installation rings, and one side of the several installation rings is fixed with The chute is slidably connected to the slider.

Preferably, the top end of the rectangular frame is fixed with a nylon mesh pocket.

Preferably, both the driving motor and the moving motor are electrically connected to the battery through wires.

A collection method for an electric slide rail type submerged plant collection device, comprising the following steps:

S1: Carry the device to the monitoring ship, and move the device to the designated place through the monitoring ship;

S2: The staff pulls the pull ring to place the rectangular frame on the water surface, and leaves the battery on the monitoring boat to provide power for the driving motor and the moving motor through the battery;

S3: The rectangular frame sinks to the sediment surface, and the nylon mesh covers the submerged plants in the area of the rectangular frame;

S4: Start the driving motor and the moving motor at the same time, the driving motor drives the turntable to rotate, thereby driving the guide post on its surface to rotate, and under the sliding cooperation between the guide post and the guide groove, the swing plate is driven to reciprocate with the connecting shaft as the axis. Thereby driving the first transmission gear to swing, under the meshing cooperation between the first transmission gear and the first transmission tooth plate and the sliding cooperation between the moving plate and the moving groove, the moving cutting knife is driven to reciprocate left and right, and the moving cutting knife and the fixed cutting knife are used to move back and forth. The mutual cooperation of the knives cuts the plant body on the root of the submerged plant;

S5: The mobile motor drives the second transmission gear to rotate. Under the meshing cooperation between the second transmission gear and the second transmission tooth plate and the sliding cooperation between the sliding seat and the linear slide rail, the sliding seat and the moving cutting knife and the fixed cutting knife are controlled from One end of the linear slide rail moves to the other end, and at the same time moves with the rectangular nylon cloth connected to the connecting seat, when the slide seat, the movable cutting knife and the fixed cutting knife move from one end of the linear slide rail to the other end;

S6: Control the driving motor and the moving motor to stop working at the same time, the rectangular nylon cloth just seals the rectangular frame, and the submerged plants are enclosed between the nylon net bag and the rectangular nylon cloth;

S7: Pull the pull rope through the pull ring to transfer the device to the boat, and then control the mobile motor to rotate in reverse, so that the sliding seat, the movable cutting knife and the fixed cutting knife return to one end of the linear slide rail, and finally the cut submerged plants are taken out, Complete the cutting and collection work.

Compared with related technologies, an electric slide rail type submerged plant collection device provided by the present invention has the following beneficial effects:

1. The set cutting assembly can drive the mobile cutting knife to reciprocate left and right, so as to cooperate with the fixed cutting knife to cut the plant body on the root of the submerged plant, preventing the root system of the submerged plant from being taken out together, as indirect as possible Destroy the root system of submerged plants, reduce the damage to submerged plants, and at the same time, it is not easy to disturb the sediment;

2. The set moving components can drive the sliding seat, the movable cutting knife and the fixed cutting knife to move, and the cut submerged plants are enclosed between the nylon net bag and the rectangular nylon cloth, which is convenient for the complete collection of the submerged plants. It is beneficial to follow-up more accurate biomass monitoring and species identification of submerged plants.

Description of drawings

Fig. 1 is a structural representation of the present invention;

Fig. 2 is the structural representation after the removal of the nylon mesh bag of the present invention;

Fig. 3 is the enlarged structural representation of cutting assembly of the present invention;

Fig. 4 is the schematic diagram of the enlarged structure of the mobile assembly of the present invention;

Fig. 5 is the partial structure schematic diagram of the present invention;

Fig. 6 is the structural representation of rectangular nylon cloth of the present invention;

FIG. 7 is a schematic diagram of the enlarged structure at A in FIG. 6 of the present invention.

In the figure: 1. Rectangular frame; 2. Linear slide rail; 3. Sliding seat; 4. Connecting seat; 5. Fixed cutting knife; 6. Moving cutting knife; 7. Moving groove; 8. Moving plate; 9. Cutting assembly ; 901, mounting seat; 902, connecting shaft; 903, swing plate; 904, first transmission gear; 905, guide groove; 906, first transmission tooth plate; 907, fixed frame; 908, drive motor; 9010, guide column; 10, rectangular nylon cloth; 11, installation ring; 12, slider; 13, chute; 14, moving component; 1401, second transmission tooth plate; 1402, support column; 1403, mobile motor; 1404 15, nylon net bag; 16, pulling structure; 1601, pull rope; 1602, pull ring; 1603, connecting rope; 1604, connecting ring; 1605, hanging ring; 17, battery; 18, wire.

Detailed ways

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

Example 1:

Please refer to Fig. 1-7, the present invention provides an electric slide rail type submerged plant collection device, comprising a rectangular frame 1 made of stainless steel, the inner walls of both sides of the rectangular frame 1 are fixed with linear slide rails 2, two The surface of each linear slide rail 2 is slidingly connected with a sliding seat 3, a connecting seat 4 is fixed between the two sliding seats 3, a fixed cutting knife 5 is fixed on one side of the connecting seat 4, and the bottom of the connecting seat 4 is provided with a Moving groove 7, the inside of moving groove 7 is slidingly connected with moving plate 8, one side of moving plate 8 is fixedly provided with movable cutting knife 6, and the other side of connection seat 4 is fixedly provided with rectangular nylon cloth 10, and the rectangular nylon cloth 10 One end is fixedly connected to the inner side of the rectangular frame 1, and the top of the connecting seat 4 is provided with a cutting assembly 9;

Further, one side of the two linear slide rails 2 is provided with a chute 13, and both sides of the rectangular nylon cloth 10 are fixedly provided with several mounting rings 11, and one side of several mounting rings 11 is fixedly provided with a slideway. The slider 12 slidably connected to the slot 13 acts as a guide for the movement of the rectangular nylon cloth 10, so that the submerged plants will not fall from the sides of the rectangular nylon cloth 10;

Further, the top of the rectangular frame 1 is fixed with a nylon net pocket 15, which can make the submerged plants be enclosed between the nylon net pocket 15 and the rectangular nylon cloth 10, preventing the cut submerged plants from falling;

Please refer to Figures 1-7, an electric slide rail type submerged plant collection device also includes a cutting assembly 9, the cutting assembly 9 includes a mounting base 901, a swing plate 903, a first transmission gear 904 and a first transmission tooth plate 906, The mounting base 901 is fixedly installed in the middle part of the top of the connecting base 4, one side of the mounting base 901 is rotationally connected with the bottom of the swing plate 903 through the connecting shaft 902, and the first transmission gear 904 is fixedly mounted on the bottom end of the swing plate 903, and the swing plate 903 There is a guide groove 905 in the middle of the upper body, the first transmission tooth plate 906 is fixedly installed on the top of the moving plate 8, and the first transmission gear 904 is meshed with the first transmission tooth plate 906;

The cutting assembly 9 also includes a fixed frame 907, a waterproof driving motor 908, a rotating disk 909 and a guide column 9010, the fixed frame 907 is fixedly arranged on the other side of the mount 901, and the driving motor 908 is fixedly installed on one end of the fixed frame 907, and the driving The transmission shaft of the motor 908 is fixedly provided with a turntable 909, and one side of the turntable 909 is fixedly provided with a guide post 9010, and the guide post 9010 is slidably matched with the guide groove 905;

The driving motor 908 is electrically connected to the battery 17 through the wire 18, and the battery provides electric energy for the driving motor 908;

Specifically, as shown in Fig. 1, Fig. 2, Fig. 3, and Fig. 5, the drive motor 908 is first controlled to work, and then the drive motor 908 drives the turntable 909 to rotate, thereby driving the guide column 9010 on its surface to rotate. The sliding cooperation between 9010 and the guide groove 905 drives the swing plate 903 to swing back and forth with the connecting shaft 902 as the axis, thereby driving the first transmission gear 904 to swing, and then the first transmission gear 904 and the first transmission tooth plate 906 are meshed Cooperate with the sliding cooperation of the moving plate 8 and the moving groove 7 to drive the mobile cutting knife 6 to reciprocate left and right, and utilize the mutual cooperation of the mobile cutting knife 6 and the fixed cutting knife 5 to cut the plant bodies on the roots of the submerged plants.

Example 2:

Also includes a moving assembly 14, the moving assembly 14 is arranged on one side of the top of the rectangular frame 1;

The moving assembly 14 includes a second transmission tooth plate 1401, a support column 1402, a waterproof mobile motor 1403 and a second transmission gear 1404. The second transmission tooth plate 1401 is fixedly arranged on one side of the top of the rectangular frame 1, and the support column 1402 is fixedly arranged on On the top of one of the sliding seats 3, the mobile motor 1403 is fixedly installed on the top of the support column 1402, and the transmission shaft of the mobile motor 1403 is fixedly provided with a second transmission gear 1404 meshing with the second transmission tooth plate 1401;

The mobile motor 1403 is electrically connected to the battery 17 through the wire 18, and the battery 17 provides electric energy for the mobile motor 1403;

Specifically, as shown in Fig. 1, Fig. 2 and Fig. 4, at first the mobile motor 1403 is controlled to work, and the mobile motor 1403 drives the second transmission gear 1404 to rotate, and when the second transmission gear 1404 is engaged with the second transmission tooth plate 1401 Cooperate with sliding seat 3 and linear slide rail 2 to control slide seat 3 and moving cutting knife 6 and fixed cutting knife 5 to move from one end of linear slide rail 2 to the other end under the sliding cooperation of sliding seat 3 and linear slide rail 2, together with connecting seat 4 The rectangular nylon cloth 10 moves together. When the sliding seat 3, the movable cutting knife 6 and the fixed cutting knife 5 move from one end of the linear slide rail 2 to the other end, the rectangular nylon cloth 10 just seals the rectangular frame 1, and the submerged plants are closed. Between nylon net bag 15 and rectangular nylon cloth 10; Take out submerged plants.

Example 3:

The four corners of the rectangular frame 1 are provided with a pulling structure 16, the pulling structure 16 includes a stay rope 1601, four connecting ropes 1603, four connecting rings 1604 and four hanging rings 1605, and the top of the stay rope 1601 is fixedly provided with a pull ring 1602, the four connecting ropes 1603 are respectively fixedly arranged at the bottom end of the pull rope 1601, the four connecting rings 1604 are respectively fixedly arranged at one end of the four connecting ropes 1603, and the four hanging rings 1605 are respectively fixedly arranged at the four ends of the rectangular frame 1. At the corners, the four hanging rings 1605 are respectively connected with the four connecting rings 1604;

Specifically, as shown in Figure 1 and Figure 2, first throw the device horizontally into the water, the staff pulls the pull ring 1602, supports it through the pull rope 1601 and four connecting ropes 1603, and then places it in a rectangular frame on the water surface 1 will sink to the surface of the sediment, and the nylon net bag 15 covers the submerged plants in the area of the rectangular frame 1. After the collection is completed, the device is finally pulled out of the water surface through the pull ring 1602 and placed in the monitoring boat.

A collection method for an electric slide rail type submerged plant collection device, comprising the following steps:

S1: Carry the device to the monitoring ship, and move the device to the designated place through the monitoring ship;

S2: The staff pulls the pull ring 1602 to place the rectangular frame 1 on the water surface, and leaves the battery 17 on the monitoring boat, and provides electric energy for the driving motor 908 and the moving motor 1403 through the battery 17;

S3: The rectangular frame 1 sinks to the surface of the sediment, and the nylon net bag 15 covers the submerged plants in the area of the rectangular frame 1;

S4: Start the driving motor 908 and the moving motor 1403 at the same time, the driving motor 908 drives the turntable 909 to rotate, thereby driving the guide column 9010 on its surface to rotate, and drives the swing plate 903 to connect with the sliding cooperation between the guide column 9010 and the guide groove 905 The shaft 902 swings back and forth as the axis, thereby driving the first transmission gear 904 to swing, and drives the movement under the meshing cooperation between the first transmission gear 904 and the first transmission tooth plate 906 and the sliding cooperation between the moving plate 8 and the moving groove 7 The cutting knife 6 reciprocates left and right, and utilizes the mutual cooperation of the mobile cutting knife 6 and the fixed cutting knife 5 to cut the plant body on the root of the submerged plant;

S5: The mobile motor 1403 drives the second transmission gear 1404 to rotate, and under the meshing cooperation between the second transmission gear 1404 and the second transmission tooth plate 1401 and the sliding cooperation between the sliding seat 3 and the linear slide rail 2, the sliding seat 3 and the movement are controlled The cutting knife 6 and the fixed cutting knife 5 move from one end of the linear slide rail 2 to the other end, and at the same time move together with the rectangular nylon cloth 10 connected with the connecting seat 4, when the sliding seat 3 and the moving cutting knife 6 and the fixed cutting knife 5 Move from one end of the linear slide rail 2 to the other;

S6: Control the driving motor 908 and the moving motor 1403 to stop working at the same time, the rectangular nylon cloth 10 just seals the rectangular frame 1, and the submerged plants are enclosed between the nylon mesh bag 15 and the rectangular nylon cloth 10;

S7: Pull the pull rope 1601 through the pull ring 1602 to transfer the device to the ship, and then control the mobile motor 1403 to rotate in reverse, so that the sliding seat 3, the movable cutting knife 6 and the fixed cutting knife 5 return to one end of the linear slide rail 2, and finally move the The cut submerged plants are taken out to complete the cutting work.

Although the embodiments of the present invention have been shown and described, those skilled in the art can understand that various changes, modifications and substitutions can be made to these embodiments without departing from the principle and spirit of the present invention. and modifications, the scope of the invention is defined by the appended claims and their equivalents.

Claims (10)

1. An electric slide rail type submerged plant collection device, comprising a rectangular frame (1) made of stainless steel, characterized in that the inner walls of both sides of the rectangular frame (1) are fixed with linear slide rails (2 ), the surfaces of the two linear guide rails (2) are slidingly connected with a sliding seat (3), and a connecting seat (4) is fixed between the two sliding seats (3), and the connecting seat (4 ) is fixed with a fixed cutting knife (5), the bottom of the connecting seat (4) is provided with a moving groove (7), and the inside of the moving groove (7) is slidingly connected with a moving plate (8), so One side of the moving plate (8) is fixed with a movable cutting knife (6), and the other side of the connecting seat (4) is fixed with a rectangular nylon cloth (10), and one end of the rectangular nylon cloth (10) It is fixedly connected with the inner side of the rectangular frame (1), and the top of the connecting seat (4) is provided with a cutting assembly (9). 2. An electric slide-rail type submerged plant collection device according to claim 1, characterized in that: the cutting assembly (9) includes a mounting seat (901), a swing plate (903), a first transmission gear ( 904) and the first transmission gear plate (906), the mounting base (901) is fixedly installed in the middle of the top end of the connecting base (4), and one side of the mounting base (901) is connected with the connecting shaft (902) The bottom of the swing plate (903) is rotatably connected, the first transmission gear (904) is fixedly installed on the bottom end of the swing plate (903), and a guide groove (905) is opened in the middle of the swing plate (903) ), the first transmission tooth plate (906) is fixedly installed on the top of the moving plate (8), and the first transmission gear (904) is engaged with the first transmission tooth plate (906). 3. An electric slide rail type submerged plant collection device according to claim 2, characterized in that: the cutting assembly (9) also includes a fixing frame (907), a waterproof driving motor (908), a turntable (909) and a guide column (9010), the fixed frame (907) is fixed on the other side of the mounting base (901), and the driving motor (908) is fixedly installed on the fixed frame (907) At one end, the transmission shaft of the drive motor (908) is fixed with a turntable (909), and one side of the turntable (909) is fixed with a guide column (9010), and the guide column (9010) is connected with the guide groove (905) Slip fit. 4. An electric slide-rail type submerged plant collection device according to claim 3, characterized in that: it also includes a moving assembly (14), and the moving assembly (14) is arranged on the rectangular frame (1) side of the top. 5. An electric slide rail type submerged plant collection device according to claim 4, characterized in that: the moving assembly (14) includes a second transmission gear plate (1401), a support column (1402), a waterproof Moving the motor (1403) and the second transmission gear (1404), the second transmission tooth plate (1401) is fixedly arranged on one side of the top of the rectangular frame (1), and the support column (1402) is fixedly arranged therein The top of one slide seat (3), the moving motor (1403) is fixedly installed on the top of the support column (1402), and the transmission shaft of the moving motor (1403) is fixedly provided with the second transmission The gear plate (1401) meshes with the connected second transmission gear (1404). 6. An electric slide-rail type submerged plant collection device according to claim 5, characterized in that: the four corners of the rectangular frame (1) are provided with pulling structures (16), and the pulling structures ( 16) Including a pull rope (1601), four connecting ropes (1603), four connecting rings (1604) and four hanging rings (1605), the top of the pull rope (1601) is fixed with a pull ring (1602) , the four connecting ropes (1603) are respectively fixed on the bottom ends of the pull ropes (1601), and the four connecting rings (1604) are respectively fixed on one end of the four connecting ropes (1603), The four hanging rings (1605) are respectively fixedly arranged on the four corners of the rectangular frame (1), and the four hanging rings (1605) are respectively connected with the four connecting rings (1604). 7. An electric sliding rail type submerged plant collection device according to claim 6, characterized in that: one side of the two linear sliding rails (2) is provided with a chute (13), and the rectangular Both sides of the nylon cloth (10) are fixed with several installation rings (11), and one side of the several installation rings (11) is fixed with a slider ( 12). 8. An electric slide-rail type submerged plant collection device according to claim 7, characterized in that: a nylon net bag (15) is fixedly provided on the top of the rectangular frame (1). 9. An electric slide-rail type submerged plant collection device according to claim 8, characterized in that: the driving motor (908) and the moving motor (1403) are connected to the battery (17) by wires (18) ) are electrically connected. 10. A collection method for the electric slide rail type submerged plant collection device according to claim 9, characterized in that it comprises the following steps: S1: Carry the device to the monitoring ship, and move the device to the designated place through the monitoring ship; S2: The staff pulls the pull ring (1602) to place the rectangular frame (1) on the water surface, and leaves the battery (17) on the monitoring boat, and the battery (17) is used to drive the motor (908) and move the motor (1403) provide electrical energy; S3: the rectangular frame (1) sinks to the sediment surface, and the nylon net bag (15) covers the submerged plants in the area of the rectangular frame (1); S4: Start the driving motor (908) and the moving motor (1403) at the same time, the driving motor (908) drives the turntable (909) to rotate, thereby driving the guide column (9010) on its surface to rotate, and the guide column (9010) and the guide The sliding fit of the groove (905) drives the swing plate (903) to swing back and forth with the connecting shaft (902) as the axis, thereby driving the first transmission gear (904) to swing, and the first transmission gear (904) and the first Under the meshing cooperation of the transmission tooth plate (906) and the sliding cooperation between the moving plate (8) and the moving groove (7), the moving cutting knife (6) is driven to reciprocate left and right, and the moving cutting knife (6) and the fixed cutting knife ( 5) Cooperate with each other to cut the plant body on the root of the submerged plant; S5: The mobile motor (1403) drives the second transmission gear (1404) to rotate, under the meshing cooperation between the second transmission gear (1404) and the second transmission tooth plate (1401) and the sliding seat (3) and the linear slide rail ( 2) The control sliding seat (3), the movable cutting knife (6) and the fixed cutting knife (5) move from one end of the linear slide rail (2) to the other end under the sliding fit, and at the same time connect with the connecting seat (4) The rectangular nylon cloth (10) moves together, when the sliding seat (3) and the moving cutting knife (6) and the fixed cutting knife (5) move from one end of the linear slide rail (2) to the other end; S6: Control the driving motor (908) and the moving motor (1403) to stop working at the same time, the rectangular nylon cloth (10) just seals the rectangular frame (1), and the submerged plants are enclosed in the nylon net bag (15) and the rectangular nylon cloth (10 )between; S7: Pull the rope (1601) through the pull ring (1602) to transfer the device to the ship, and then control the mobile motor (1403) to rotate in reverse, so that the sliding seat (3), the mobile cutting knife (6) and the fixed cutting knife ( 5) Return to one end of the linear slide rail (2), and finally take out the cut submerged plants to complete the cutting work.

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