CN108377765B - A device for breaking grass for aquaculture - Google Patents

Abstract

The invention relates to a crushing device, in particular to a forage crushing device for aquaculture. The technical problem to be solved by the present invention is to provide a forage crushing device for aquaculture with good crushing effect and time saving. In order to solve the above technical problems, the present invention provides such a grass breaking device for aquaculture, which includes a bottom plate, outriggers, a box, a lower hopper, a support rod, a frame body, a discharge hopper, etc.; There are two outriggers, a box is installed on the top of the two legs, a lower hopper is installed on the top of the box, and the lower hopper is connected to the box. Two poles are installed on the right side of the top of the bottom plate. The top is connected with the bottom right side of the box body, the frame body is connected with the box body, and a discharge hopper is installed on the right side of the box body. The present invention crushes the grass through the crushing device, and blows the crushed grass to the pond through the blowing device, thereby achieving the effects of good crushing effect and time saving.

Description

A device for breaking grass for aquaculture

technical field

The invention relates to a crushing device, in particular to a forage crushing device for aquaculture.

Background technique

Aquaculture is the productive activity of multiplying, cultivating and harvesting aquatic plants and animals under human control. It generally includes the whole process of growing aquatic products from seedlings under artificial feeding management. In a broad sense, it can also include the proliferation of aquatic resources.

Aquaculture has extensive culture, intensive culture and high-density intensive culture. Extensive farming is to put seedlings in small and medium-sized natural waters, and develop aquatic products entirely by natural bait, such as fish farming in lakes and reservoirs and shellfish farming in shallow seas. Intensive culture is the cultivation of aquatic products by feeding and fertilizing methods in small water bodies, such as pond fish culture, cage fish culture and pen culture. High-density intensive culture adopts the methods of running water, temperature control, oxygenation and feeding high-quality bait to carry out high-density culture in small water bodies to obtain high yield, such as high-density fish and shrimp culture in running water.

In aquaculture, it is necessary to crush the forage before feeding it. The crushing effect of manual crushing is poor and it takes a lot of time. Therefore, it is urgent to develop a forage crushing device for aquaculture with good crushing effect and time saving.

SUMMARY OF THE INVENTION

(1) Technical problems to be solved

In order to overcome the shortcoming of poor crushing effect and time-consuming manual crushing, the technical problem to be solved by the present invention is to provide a forage crushing device for aquaculture with good crushing effect and time saving.

(2) Technical solutions

In order to solve the above-mentioned technical problems, the present invention provides such a forage crushing device for aquaculture, which includes a bottom plate, outriggers, a box body, a lower hopper, a support rod, a frame body, a discharging hopper, a crushing device and a blowing device, and the bottom plate Two legs are installed on the left side of the top, a box is installed on the top of the two legs, a lower hopper is installed on the top of the box, and the lower hopper is connected to the box. The frame body, the top of the frame body is connected with the bottom right side of the box body, the frame body is connected with the box body, a discharge hopper is installed on the right side of the frame body, and the discharge hopper is connected with the frame body. There is a hair dryer.

Preferably, the crushing device includes a first bearing seat, a first rotating shaft, a first motor, a drum and a crushing blade, the first bearing seat is embedded in the front and rear sides of the upper part of the box, and the first bearing seat is embedded in the front and rear first bearing seats. The bearing is connected with a first rotating shaft, a first motor is installed in the middle of the rear side of the box, the output shaft of the first motor is connected with the rear end of the first rotating shaft through a coupling, a roller is installed in the middle of the first rotating shaft, and the roller is located in the box. Broken blades are welded evenly spaced on top.

Preferably, the blowing device includes a horizontal plate, a first vertical plate, a second vertical plate, a second motor, a second bearing seat, a second rotating shaft and a fan blade, and a horizontal plate is installed on the lower part of the left side of the frame, and the horizontal plate is installed on the horizontal plate. There are a first vertical plate and a second vertical plate, the first vertical plate is located on the left of the second vertical plate, a second motor is installed on the upper part of the right side of the first vertical plate, a second bearing seat is installed on the top of the second vertical plate, the second A second rotating shaft is connected in the bearing seat, the left end of the second rotating shaft is connected with the output shaft of the second motor, a fan blade is installed on the right end of the second rotating shaft, an opening is opened on the left side of the frame body, and the fan blade is located on the left side of the opening.

Preferably, a scraping device is also included, and the scraping device includes a first pulley, a third bearing seat, a third rotating shaft, a first gear, a second pulley, a flat belt, a sector gear, an arc scraper and an arc block , A first pulley is installed on the rear side of the first rotating shaft, the first pulley is located behind the drum, and a third bearing seat is embedded in the left and right sides of the box body, and the bearings in the front and rear third bearing seats are connected with a third The rotating shaft, the first gear is installed in the middle of the third rotating shaft, the second pulley is installed behind the third rotating shaft, the second pulley and the first pulley are wound with a flat belt, and the lower left part of the box is rotatably installed with a sector gear. The first gear is meshed, an arc-shaped scraper is installed under the sector gear, an arc-shaped block is installed on the left side of the bottom of the box body, and the arc-shaped scraper is matched with the arc-shaped block.

Preferably, a perforated plate and a hose are also included, a perforated plate is installed on the top of the box, and a hose is installed at the bottom of the perforated plate, the hose communicates with the perforated plate, and the hose passes through the left side of the box.

Preferably, it also includes a screen frame, the screen frame is installed on the left side of the frame, and the screen frame is located on the right side of the opening.

Working principle: When using the present invention, the operator first puts the grass into the box through the lower hopper, then the operator drives the crushing device to crush the grass, and then the operator starts the blowing device to blow the broken grass into the pond through the discharge hopper. , After the forage is crushed, the operator can turn off the crushing device and the blowing device.

Because the crushing device includes the first bearing seat, the first rotating shaft, the first motor, the roller and the crushing blade, the first bearing seat is embedded in the front and rear sides of the upper part of the box, and the bearings in the front and rear first bearing seats are connected. There is a first rotating shaft, a first motor is installed in the middle of the rear side of the box, the output shaft of the first motor is connected with the rear end of the first rotating shaft through a coupling, a roller is installed in the middle of the first rotating shaft, the roller is located in the box, and the roller is evenly distributed. Intervals are welded with broken blades. Therefore, the operator starts the first motor to rotate alternately forward and reverse, the first motor drives the first shaft to rotate alternately, the first shaft drives the drum to rotate alternately, and the drum drives the crushing blades to rotate alternately, so that the grass can be crushed. After the forage is broken, the operator turns off the first motor.

Because the blowing device includes a horizontal plate, a first vertical plate, a second vertical plate, a second motor, a second bearing seat, a second rotating shaft and a fan blade, a horizontal plate is installed on the lower part of the left side of the frame, and a first vertical plate is installed on the horizontal plate. A vertical plate and a second vertical plate, the first vertical plate is located on the left of the second vertical plate, a second motor is installed on the upper part of the right side of the first vertical plate, a second bearing seat is installed on the top of the second vertical plate, and the second bearing seat is installed A second rotating shaft is connected inside, the left end of the second rotating shaft is connected with the output shaft of the second motor, a fan blade is installed on the right end of the second rotating shaft, an opening is opened on the left side of the frame body, and the fan blade is located on the left side of the opening. Therefore, the operator starts the second motor to rotate, the second motor drives the second rotating shaft to rotate, and the second rotating shaft drives the fan blade to rotate, so that the fan blade blows out the wind, and then blows the broken grass into the pond, so that the present invention can be used more effectively. Convenient, after the forage is blown, the operator can turn off the second motor.

Because it also includes scraping device, the first pulley, the third bearing seat, the third shaft, the first gear, the second pulley, the flat belt, the sector gear, the arc scraper and the arc block, the rear side of the first shaft is installed There is a first pulley, the first pulley is located behind the drum, and a third bearing seat is embedded in the left and right sides of the box. The bearings in the front and rear third bearing seats are connected with a third rotating shaft, and the middle of the third rotating shaft is installed There is a first gear, a second pulley is installed behind the third rotating shaft, a flat belt is wound around the second pulley and the first pulley, a sector gear is rotatably installed in the lower left part of the box, the sector gear meshes with the first gear, and the sector gear An arc-shaped scraper is installed below, an arc-shaped block is installed on the left side of the bottom of the box, and the arc-shaped scraper is matched with the arc-shaped block. Therefore, the positive and negative rotation of the first shaft drives the first pulley to rotate continuously, the first pulley drives the second pulley to rotate alternately through the flat belt, and the second pulley drives the third shaft to rotate continuously. Alternate rotation, the third shaft drives the first gear to rotate alternately forward and reverse, the first gear drives the sector gear to rotate alternately forward and reverse, and the sector gear drives the arc scraper to move left and right, so that the arc The grass on the block is scraped off, so that the broken grass will not accumulate in the box.

Because it also includes a perforated plate and a hose, a perforated plate is installed on the top of the box, and a hose is installed at the bottom of the perforated plate. The hose is connected to the perforated plate, and the hose passes through the left side of the box. Therefore, after the grass is crushed, the operator can seal the hose with the faucet, and then open the faucet, and clean water can flow into the box through the porous plate, and the box can be cleaned. After cleaning, the operator closes the box. Just tap.

Because it also includes a screen frame, a screen frame is installed on the left side of the frame body, and the screen frame is located on the right side of the opening. Therefore, when the broken grass is blown out, under the action of the mesh frame, the grass will not be wrapped into the fan blades.

(3) Beneficial effects

The present invention crushes the grass through the crushing device, and blows the crushed grass to the pond through the blowing device, thereby achieving the effects of good crushing effect and time saving.

Description of drawings

FIG. 1 is a schematic diagram of a first front view structure of the present invention.

FIG. 2 is a schematic diagram of a second front view structure of the present invention.

FIG. 3 is a schematic diagram of a third front view structure of the present invention.

FIG. 4 is a schematic diagram of the structure of the porous plate of the present invention.

The signs in the drawings are: 1- bottom plate, 2- leg, 3- box, 4- lower hopper, 5- support rod, 6- frame, 7- discharge hopper, 8- crushing device, 9- blowing device , 81-first bearing seat, 82-first shaft, 83-first motor, 84-drum, 85-broken blade, 91-horizontal plate, 92-first vertical plate, 93-second vertical plate, 94- Second motor, 95-second bearing seat, 96-second shaft, 97-fan blade, 98-opening, 10-scraper device, 101-first pulley, 102-third bearing seat, 103-third shaft , 104-first gear, 105-second pulley, 106-flat belt, 107-sector gear, 108-arc scraper, 109-arc block, 11-perforated plate, 12-hose, 13-screen frame .

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and embodiments.

Example 1

A grass breaking device for aquaculture, as shown in Figures 1-4, includes a bottom plate 1, outriggers 2, a box body 3, a lower hopper 4, a support rod 5, a frame body 6, a discharge hopper 7, and a crushing device 8. And the blowing device 9, two legs 2 are installed on the top left of the bottom plate 1, a box 3 is installed on the top of the two legs 2, a lower hopper 4 is installed on the top of the box 3, and the lower hopper 4 communicates with the box 3, and the bottom plate 1 Two struts 5 are installed on the right side of the top, a frame body 6 is installed at the top of the strut 5, the top of the frame body 6 is connected to the bottom right of the box body 3, the frame body 6 is communicated with the box body 3, and a frame body 6 is installed on the right side. The discharge hopper 7 is communicated with the frame body 6 , a crushing device 8 is arranged in the upper part of the box body 3 , and a blowing device 9 is arranged on the left side of the frame body 6 .

Example 2

A grass breaking device for aquaculture, as shown in Figures 1-4, includes a bottom plate 1, outriggers 2, a box body 3, a lower hopper 4, a support rod 5, a frame body 6, a discharge hopper 7, and a crushing device 8. And the blowing device 9, two legs 2 are installed on the top left of the bottom plate 1, a box 3 is installed on the top of the two legs 2, a lower hopper 4 is installed on the top of the box 3, and the lower hopper 4 communicates with the box 3, and the bottom plate 1 Two struts 5 are installed on the right side of the top, a frame body 6 is installed at the top of the strut 5, the top of the frame body 6 is connected to the bottom right of the box body 3, the frame body 6 is communicated with the box body 3, and a frame body 6 is installed on the right side. The discharge hopper 7 is communicated with the frame body 6 , a crushing device 8 is arranged in the upper part of the box body 3 , and a blowing device 9 is arranged on the left side of the frame body 6 .

The crushing device 8 includes a first bearing seat 81, a first rotating shaft 82, a first motor 83, a drum 84 and a crushing blade 85. A first bearing seat 81 is embedded in the front and rear sides of the upper part of the box 3. A first rotating shaft 82 is connected to the bearing in the bearing seat 81, and a first motor 83 is installed in the middle of the rear side of the box body 3. The output shaft of the first motor 83 is connected to the rear end of the first rotating shaft 82 through a coupling, and the first rotating shaft A drum 84 is installed in the middle of the 82, the drum 84 is located in the box 3, and crushing blades 85 are welded on the drum 84 at even intervals.

Example 3

A grass breaking device for aquaculture, as shown in Figures 1-4, includes a bottom plate 1, outriggers 2, a box body 3, a lower hopper 4, a support rod 5, a frame body 6, a discharge hopper 7, and a crushing device 8. And the blowing device 9, two legs 2 are installed on the top left of the bottom plate 1, a box 3 is installed on the top of the two legs 2, a lower hopper 4 is installed on the top of the box 3, and the lower hopper 4 communicates with the box 3, and the bottom plate 1 Two struts 5 are installed on the right side of the top, a frame body 6 is installed at the top of the strut 5, the top of the frame body 6 is connected to the bottom right of the box body 3, the frame body 6 is communicated with the box body 3, and a frame body 6 is installed on the right side. The discharge hopper 7 is communicated with the frame body 6 , a crushing device 8 is arranged in the upper part of the box body 3 , and a blowing device 9 is arranged on the left side of the frame body 6 .

The crushing device 8 includes a first bearing seat 81, a first rotating shaft 82, a first motor 83, a drum 84 and a crushing blade 85. A first bearing seat 81 is embedded in the front and rear sides of the upper part of the box 3. A first rotating shaft 82 is connected to the bearing in the bearing seat 81, and a first motor 83 is installed in the middle of the rear side of the box body 3. The output shaft of the first motor 83 is connected to the rear end of the first rotating shaft 82 through a coupling, and the first rotating shaft A drum 84 is installed in the middle of the 82, the drum 84 is located in the box 3, and crushing blades 85 are welded on the drum 84 at even intervals.

The blowing device 9 includes a horizontal plate 91 , a first vertical plate 92 , a second vertical plate 93 , a second motor 94 , a second bearing seat 95 , a second rotating shaft 96 and a fan blade 97 . Plate 91, a first vertical plate 92 and a second vertical plate 93 are installed on the horizontal plate 91, the first vertical plate 92 is located to the left of the second vertical plate 93, and a second motor 94 is installed on the upper right side of the first vertical plate 92, A second bearing seat 95 is installed on the top of the second vertical plate 93 , a second rotating shaft 96 is connected in the second bearing seat 95 , the left end of the second rotating shaft 96 is connected with the output shaft of the second motor 94 , and a fan is installed on the right end of the second rotating shaft 96 The blade 97 has an opening 98 on the left side of the frame body 6 , and the fan blade 97 is located on the left side of the opening 98 .

Example 4

A grass breaking device for aquaculture, as shown in Figures 1-4, includes a bottom plate 1, outriggers 2, a box body 3, a lower hopper 4, a support rod 5, a frame body 6, a discharge hopper 7, and a crushing device 8. And the blowing device 9, two legs 2 are installed on the top left of the bottom plate 1, a box 3 is installed on the top of the two legs 2, a lower hopper 4 is installed on the top of the box 3, and the lower hopper 4 communicates with the box 3, and the bottom plate 1 Two struts 5 are installed on the right side of the top, a frame body 6 is installed at the top of the strut 5, the top of the frame body 6 is connected to the bottom right of the box body 3, the frame body 6 is communicated with the box body 3, and a frame body 6 is installed on the right side. The discharge hopper 7 is communicated with the frame body 6 , a crushing device 8 is arranged in the upper part of the box body 3 , and a blowing device 9 is arranged on the left side of the frame body 6 .

The crushing device 8 includes a first bearing seat 81, a first rotating shaft 82, a first motor 83, a drum 84 and a crushing blade 85. A first bearing seat 81 is embedded in the front and rear sides of the upper part of the box 3. A first rotating shaft 82 is connected to the bearing in the bearing seat 81, and a first motor 83 is installed in the middle of the rear side of the box body 3. The output shaft of the first motor 83 is connected to the rear end of the first rotating shaft 82 through a coupling, and the first rotating shaft A drum 84 is installed in the middle of the 82, the drum 84 is located in the box 3, and crushing blades 85 are welded on the drum 84 at even intervals.

The blowing device 9 includes a horizontal plate 91 , a first vertical plate 92 , a second vertical plate 93 , a second motor 94 , a second bearing seat 95 , a second rotating shaft 96 and a fan blade 97 . Plate 91, a first vertical plate 92 and a second vertical plate 93 are installed on the horizontal plate 91, the first vertical plate 92 is located to the left of the second vertical plate 93, and a second motor 94 is installed on the upper right side of the first vertical plate 92, A second bearing seat 95 is installed on the top of the second vertical plate 93 , a second rotating shaft 96 is connected in the second bearing seat 95 , the left end of the second rotating shaft 96 is connected with the output shaft of the second motor 94 , and a fan is installed on the right end of the second rotating shaft 96 The blade 97 has an opening 98 on the left side of the frame body 6 , and the fan blade 97 is located on the left side of the opening 98 .

It also includes a scraping device 10. The scraping device 10 includes a first pulley 101, a third bearing seat 102, a third rotating shaft 103, a first gear 104, a second pulley 105, a flat belt 106, a sector gear 107, an arc The scraper 108 and the arc-shaped block 109, the first pulley 101 is installed on the rear side of the first rotating shaft 82, the first pulley 101 is located behind the drum 84, and the left side of the box 3 is embedded on both the front and rear sides. A third bearing seat 102 is installed. The bearings in the front and rear third bearing seats 102 are connected with a third shaft 103, a first gear 104 is installed in the middle of the third shaft 103, a second pulley 105 is installed behind the third shaft 103, and the second pulley 105 and the first pulley A flat belt 106 is wound around 101, a sector gear 107 is rotatably installed in the lower left part of the box body 3, the sector gear 107 meshes with the first gear 104, an arc scraper 108 is installed under the sector gear 107, and the bottom of the box body 3 An arc-shaped block 109 is installed on the left, and the arc-shaped scraper 108 is matched with the arc-shaped block 109 .

It also includes a perforated plate 11 and a hose 12. A perforated plate 11 is installed at the top of the box body 3, and a hose 12 is installed at the bottom of the perforated plate 11. The hose 12 communicates with the perforated plate 11. square.

It also includes a screen frame 13 . The screen frame 13 is installed on the left side of the frame body 6 , and the screen frame 13 is located on the right side of the opening 98 .

Working principle: When using the present invention, the operator first puts the grass into the box 3 through the lower hopper 4, the operator drives the crushing device 8 to crush the grass, and the operator starts the blowing device 9 to pass the crushed grass through the outlet. The hopper 7 is blown out into the pond. After the grass is crushed, the operator can turn off the crushing device 8 and the blowing device 9.

Because the crushing device 8 includes the first bearing seat 81 , the first rotating shaft 82 , the first motor 83 , the drum 84 and the crushing blade 85 , the first bearing seat 81 is embedded in the front and rear sides of the upper part of the box 3 . The bearing in the first bearing seat 81 is connected with the first rotating shaft 82, the middle of the rear side of the box body 3 is installed with the first motor 83, the output shaft of the first motor 83 is connected with the rear end of the first rotating shaft 82 through the coupling, the first A drum 84 is installed in the middle of the rotating shaft 82 , the drum 84 is located in the box 3 , and crushing blades 85 are welded on the drum 84 at even intervals. Therefore, the operator starts the first motor 83 to rotate alternately forward and reverse, the first motor 83 drives the first shaft 82 to rotate alternately, the first shaft 82 drives the drum 84 to rotate alternately, and the drum 84 drives the crushing blades 85 to rotate alternately. Therefore, the grass can be crushed, and after the grass is crushed, the operator turns off the first motor 83 .

Because the blowing device 9 includes a horizontal plate 91, a first vertical plate 92, a second vertical plate 93, a second motor 94, a second bearing seat 95, a second rotating shaft 96 and a fan blade 97, the lower left side of the frame body 6 is installed with a A horizontal plate 91, a first vertical plate 92 and a second vertical plate 93 are installed on the horizontal plate 91, the first vertical plate 92 is located on the left of the second vertical plate 93, and a second motor 94 is installed on the upper part of the right side of the first vertical plate 92 , a second bearing seat 95 is installed on the top of the second vertical plate 93, the second bearing seat 95 is connected with a second rotating shaft 96, the left end of the second rotating shaft 96 is connected with the output shaft of the second motor 94, and the right end of the second rotating shaft 96 is installed with a The fan blade 97 has an opening 98 on the left side of the frame body 6 , and the fan blade 97 is located on the left side of the opening 98 . Therefore, the operator starts the second motor 94 to rotate, the second motor 94 drives the second rotating shaft 96 to rotate, and the second rotating shaft 96 drives the fan blade 97 to rotate, so that the fan blade 97 blows out the wind, and then blows the broken grass into the pond, thereby This makes the present invention more convenient to use. After the forage is blown, the operator can just turn off the second motor 94 .

Because the scraping device 10 is also included, the first pulley 101, the third bearing seat 102, the third shaft 103, the first gear 104, the second pulley 105, the flat belt 106, the sector gear 107, the arc scraper 108 and the arc Shape block 109, a first pulley 101 is installed on the rear side of the first rotating shaft 82, the first pulley 101 is located behind the drum 84, and a third bearing seat 102 is embedded in the left side of the box 3 on both sides. The bearing in the bearing seat 102 is connected with a third rotating shaft 103 , a first gear 104 is installed in the middle of the third rotating shaft 103 , a second pulley 105 is installed behind the third rotating shaft 103 , and a flat surface is wound around the second pulley 105 and the first pulley 101 . Belt 106, a sector gear 107 is rotatably installed in the lower left part of the box 3, the sector gear 107 meshes with the first gear 104, an arc scraper 108 is installed under the sector gear 107, and an arc is installed on the left side of the inner bottom of the box 3 The arc-shaped scraper 108 is matched with the arc-shaped block 109 . Therefore, the forward and reverse rotation of the first shaft 82 drives the first pulley 101 to rotate alternately, the first pulley 101 drives the second pulley 105 to rotate alternately through the flat belt 106, and the second pulley 105 drives the third pulley 105. The rotating shaft 103 rotates alternately forward and reverse, the third rotating shaft 103 drives the first gear 104 to rotate alternately, the first gear 104 drives the sector gear 107 to rotate alternately, and the sector gear 107 drives the arc scraper The plate 108 keeps moving left and right, so that the grass on the arc-shaped block 109 can be scraped off, so that the crushed grass will not accumulate in the box 3 .

Because the perforated plate 11 and the hose 12 are also included, the perforated plate 11 is installed at the top of the box body 3, and the hose 12 is installed at the bottom of the perforated plate 11. The hose 12 communicates with the perforated plate 11, and the hose 12 passes through the box body 3. left. Therefore, after the forage is crushed, the operator can seal the hose 12 with the faucet, and then open the faucet again, and clean water can flow into the box 3 through the porous plate 11, and the box 3 can be cleaned. After that, the operator can turn off the tap.

Because the screen frame 13 is also included, the screen frame 13 is installed on the left side of the frame body 6 , and the screen frame 13 is located on the right side of the opening 98 . Therefore, when the broken forage grass is blown out, under the action of the screen frame 13, the forage grass will not be wound into the fan blade 97.

The above-mentioned embodiments only represent the preferred embodiments of the present invention, and the descriptions thereof are specific and detailed, but should not be construed as limiting the scope of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, several modifications, improvements and substitutions can be made, which all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention should be subject to the appended claims.

Claims (3)

1. a grass breaking device for aquaculture, is characterized in that, comprises bottom plate (1), outrigger (2), box (3), lower hopper (4), support rod (5), frame ( 6), the discharge hopper (7), the crushing device (8) and the blowing device (9), two legs (2) are installed on the left side of the top of the bottom plate (1), and a box (2) is installed on the top of the two legs (2). 3), a lower hopper (4) is installed on the top of the box body (3), and the lower hopper (4) is communicated with the box body (3). 5) A frame body (6) is installed at the top, the top of the frame body (6) is connected to the bottom right of the box body (3), the frame body (6) is communicated with the box body (3), and a right side of the frame body (6) is installed. The discharge hopper (7) is communicated with the frame body (6), the upper part of the box body (3) is provided with a crushing device (8), and the left side of the frame body (6) is provided with a blowing device (9); The device (8) includes a first bearing seat (81), a first rotating shaft (82), a first motor (83), a drum (84) and a crushing blade (85), and the upper front and rear sides of the box body (3) are embedded on both sides A first bearing seat (81) is installed in the first bearing seat (81), the bearings in the front and rear first bearing seats (81) are connected with a first rotating shaft (82), and a first motor (83) is installed in the middle of the rear side of the box body (3), The output shaft of the first motor (83) is connected to the rear end of the first rotating shaft (82) through a coupling, a roller (84) is installed in the middle of the first rotating shaft (82), and the roller (84) is located in the box (3), Crushing blades (85) are welded evenly spaced on the drum (84); the blowing device (9) includes a horizontal plate (91), a first vertical plate (92), a second vertical plate (93), and a second motor (94). ), the second bearing seat (95), the second rotating shaft (96) and the fan blade (97), a horizontal plate (91) is installed on the lower left side of the frame (6), and a first vertical A plate (92) and a second riser (93), the first riser (92) is located on the left of the second riser (93), and a second motor (94) is installed on the upper right side of the first riser (92), A second bearing seat (95) is installed on the top of the second vertical plate (93), the second bearing seat (95) is connected with a second rotating shaft (96), and the left end of the second rotating shaft (96) is connected to the second motor (94). The output shaft is connected, a fan blade (97) is installed on the right end of the second rotating shaft (96), an opening (98) is opened on the left side of the frame body (6), and the fan blade (97) is located on the left side of the opening (98); The scraping device (10) includes a first pulley (101), a third bearing seat (102), a third shaft (103), a first gear (104), a second pulley (105), A flat belt (106), a sector gear (107), an arc-shaped scraper (108) and an arc-shaped block (109), a first pulley (101) is installed on the rear side of the first rotating shaft (82), and the first pulley (101) Located behind the drum (84), a third bearing seat (102) is embedded in the left side of the box body (3) on both the front and rear sides, and the front and rear third bearing seats (102) are embedded. ) is connected with a third shaft (103), a first gear (104) is installed in the middle of the third shaft (103), a second pulley (105) is installed behind the third shaft (103), and the second pulley (105) ) and the first pulley (101) are wound with a flat belt (106), a sector gear (107) is rotatably installed in the lower left part of the box (3), and the sector gear (107) meshes with the first gear (104), An arc-shaped scraper (108) is installed below the sector gear (107), an arc-shaped block (109) is installed on the left of the inner bottom of the box (3), and the arc-shaped scraper (108) cooperates with the arc-shaped block (109). 2. a kind of grass breaking device for aquaculture according to claim 1, is characterized in that, also comprises perforated plate (11) and hose (12), box (3) inner top is installed with perforated plate (12). 11), a hose (12) is installed at the bottom of the perforated plate (11), the hose (12) communicates with the perforated plate (11), and the hose (12) passes through the left side of the box body (3). 3. a kind of forage grass breaking device for aquaculture according to claim 2, is characterized in that, also comprises a net frame (13), and a net frame (13) is installed on the left side in the frame body (6), and the net frame (13) is located to the right of opening (98).

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