CN111869611B - Fry sieving mechanism for aquaculture - Google Patents

Abstract

A fish fry screening device for aquaculture, comprising: a frame body, the bottom of which is connected with a drainage pipe; bearing seats, which are arranged in two, the two bearing seats are respectively connected on both sides of the top of the frame body, between the bearing seats on both sides The screen is connected in rotation; the driving device is arranged between the frame body and the screen; the pushing device is arranged on the frame body. The invention screens the fry through the coordinated operation of the driving device, the pushing device and the screen, so as to achieve the effect of screening the fry; the operation of the pushing device is assisted by the transmission device, and the operation of the pushing device does not need to be manually operated, thereby effectively saving It saves manpower; the screen of the device can perform comprehensive screening in the frame during operation, which ensures the screening effect and effectively solves the technical problems existing in the above-mentioned patents.

Description

A kind of fish fry screening device for aquaculture

technical field

The invention relates to a screening device, in particular to a fry screening device for aquaculture.

Background technique

The fry is also called "fish flower". It is a juvenile that hatches soon, and the body length is generally 6 to 9 mm. There are artificially bred fry and natural fry from rivers. When artificially cultivating fry, it is usually necessary to select fry of different sizes according to the size of the fry, and then separate the fry for feeding. Avoid larger fry from eating small fry, causing the death of small fry.

After searching, the authorized patent publication number is CN109089993A, which discloses a fry screening device. A plurality of sieve plates are installed in the casing and the interior of the casing is separated to form an N-level screening pool. The sieve holes of the plurality of sieve plates are from the first The first-stage screening pool gradually decreases toward the N-th pole screening pool. The water supply mechanism is used to supply water to the first-stage screening pool. The fry pool is used to supply the first-stage screening pool with fry to be screened. The N guide pipes are respectively connected to the N-stage screening pool. A stop valve is provided on the guide pipe connected with the first-stage screening pool to the N-stage screening pool; after the fry enters the first-stage screening pool. The above methods have the following shortcomings: the screening is carried out by the swimming of the fry itself, and the swimming of the fry cannot be controlled, which easily leads to the occurrence of large fry remaining in the first-level screening frame, which affects the screening effect and cannot satisfy people. demand.

Therefore, it is necessary to design a fry screening device for aquaculture that can comprehensively screen the fry and ensure the screening effect.

SUMMARY OF THE INVENTION

The purpose of the present invention is: in order to overcome the above-mentioned method when screening is carried out by the swimming of the fry itself, it is easy to cause the situation that larger fry remain in the first-level screening frame, and the shortcoming that affects the screening effect is provided. The fish fry is comprehensively screened to ensure the screening effect of the fish fry screening device for aquaculture.

The technical scheme of the present invention is as follows: a fry screening device for aquaculture, comprising a frame body, the bottom of which is connected with a drainage pipe; bearing seats, which are arranged in two, the two bearing seats are respectively connected on both sides of the top of the frame body, A screen is rotatably connected between the bearing seats on both sides; a driving device is arranged between the frame body and the screen; a pushing device is arranged on the frame body.

Preferably, the driving device includes a base, which is connected to the bottom of the frame; a mounting frame, which is connected to the base, and a geared motor is installed on the mounting frame, and the output shaft of the geared motor passes through the base and rotates with the base; the sector gear, It has two sets, two sector gears are respectively connected to the two sides of the frame in a rotational manner, and the sector gears are connected to the output shaft of the deceleration motor in a driving manner; the drive gears are two sets, and the two drive gears are respectively connected to the two sides of the screen. side, the sector gear meshes with the drive gear.

Preferably, the pushing device includes two guide rods, and the two guide rods are respectively connected to both sides of the top of the frame body; the arc-shaped push plate is slidably connected between the guide rods on both sides, and the arc-shaped pusher The plate is located above the screen; the connecting rod is connected to one side of the frame body; the winding wheel is rotatably connected to the connecting rod, the winding wheel is wound with a pulling wire, and the pulling wire is connected with the arc push plate; the torsion spring, which is connected between the reel and the connecting rod.

Preferably, a transmission device is also included, and the transmission device includes two vertical rods, which are respectively connected to both sides of the frame body, and the vertical rods are connected with sliding pipes; L-shaped plates, which are two pieces Set, two L-shaped plates are slidably connected on both sides of the arc-shaped push plate; wedge-shaped block, which is set in two, two wedge-shaped blocks, respectively A compression spring is connected between the plates, and the wedge-shaped block is slidably matched with the slide pipe; the guide block is set in two pieces, and the two guide blocks are respectively connected in the two slide pipes. The ball; the push rod, which is two sets, the two push rods are respectively connected to the side of the two slide pipes away from the connecting rod, and the push rod cooperates with the wedge block; the swing rod, which is two sets, the two swing rods are respectively Connected to the two sector gears, the pendulum rod cooperates with the gravity ball.

Preferably, a placing plate is also included, which is connected to the upper part of the other side of the frame body;

beneficial effect

1. the present invention screens the fry through the cooperative operation of the driving device, the pushing device and the screen, so as to achieve the effect of screening the fry;

2. The present invention assists the operation of the pushing device through the transmission device, and does not require manual operation of the pushing device, thereby effectively saving manpower;

3. The screen mesh of the present invention can carry out comprehensive screening in the frame during operation, which ensures the effect of screening and effectively solves the technical problems existing in the above-mentioned patent.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is the first partial three-dimensional structure diagram of the present invention;

Fig. 3 is an enlarged view of the structure of part A of the present invention;

4 is a second partial three-dimensional structural diagram of the present invention;

FIG. 5 is a third partial three-dimensional structural view of the present invention.

The signs in the drawings are: 1-frame, 2-drainage pipe, 3-bearing seat, 4-screen, 5-drive device, 51-base, 52-mounting frame, 53-reduction motor, 54-sector gear , 55-drive gear, 6-pushing device, 61-guide rod, 62-arc push plate, 63-connecting rod, 64-winding wheel, 65-pulling wire, 66-torsion spring, 7-transmission device, 71 -Vertical rod, 72-Slide pipe, 73-L-shaped plate, 74-Wedge block, 75-Compression spring, 76-Guide block, 77-Gravity ball, 78-Push rod, 79-Swing rod, 8-Place plate, 90 - Inclined board.

Detailed ways

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

Example 1

As shown in Figures 1-3, a fish fry screening device for aquaculture includes a frame body 1, a drainage pipe 2, a bearing seat 3 and a screen 4, the bottom of the frame body 1 is connected with a drainage pipe 2, and the top of the frame body 1 is connected The front and rear sides are connected with bearing seats 3, and a screen 4 is rotatably connected between the bearing seats 3 on both sides, and also includes a driving device 5 and a pushing device 6. A driving device is provided between the frame body 1 and the screen 4. 5. The frame body 1 is provided with a pushing device 6 .

The driving device 5 includes a base 51, a mounting frame 52, a deceleration motor 53, a sector gear 54 and a driving gear 55. A base 51 is connected to the bottom of the frame body 1, a mounting frame 52 is connected to the base 51, and a reduction gear is installed on the mounting frame 52. The motor 53, the output shaft of the deceleration motor 53 passes through the base 51 and rotates with the base 51, the front and rear sides of the frame body 1 are rotatably connected with a sector gear 54, and the sector gear 54 is connected with the output shaft of the deceleration motor 53. 4. The front and rear sides are connected with driving gears 55, and the sector gears 54 will mesh with the driving gears 55.

The pushing device 6 includes a guide rod 61, an arc-shaped push plate 62, a connecting rod 63, a reel 64, a pulling wire 65 and a torsion spring 66. The top and rear sides of the frame body 1 are connected with guide rods 61, and guide rods on both sides are connected An arc-shaped push plate 62 is slidably connected between 61, the arc-shaped push plate 62 is located above the screen 4, a connecting rod 63 is connected to the left side of the frame body 1, and a winding wheel 64 is rotatably connected to the connecting rod 63. A pull wire 65 is wound around the wheel 64 , the pull wire 65 is connected with the arc-shaped push plate 62 , and a torsion spring 66 is connected between the pulley 64 and the connecting rod 63 .

When it is necessary to screen the fry, the device can be used. First, the user can pour the fry into the frame body 1, and then the user can start the deceleration motor 53 to drive the sector gear 54 to rotate. When the sector gear 54 rotates to the drive gear 55 After meshing, the sector gear 54 continues to rotate to drive the drive gear 55 to rotate, the drive gear 55 rotates to drive the screen 4 to rotate, and the screen 4 can be rotated to extend into the frame body 1, because the larger fry cannot pass through the screen 4. The screen 4 is pulled out, and the smaller fry can pass through the screen 4 and will not be pulled out by the screen 4. When the sector gear 54 is rotated to disengage from the drive gear 55, the screen 4 just rotates one hundred and eighty At this time, the arc-shaped push plate 62 can be pulled to move to the right, and the arc-shaped push plate 62 can be moved to the right to pull out the pull wire 65, and the pull wire 65 pulls out to drive the reel 64 rotates, the torsion spring 66 is compressed, when the arc-shaped push plate 62 is in contact with the fry above the screen 4, the arc-shaped push plate 62 continues to move to push the fry above the screen 4 to move together, and the collection frame can be moved together. Placed on the right side of the frame body 1, the arc-shaped push plate 62 can push out the larger fry from the top of the screen 4 when moving, the pushed out fry falls in the collection frame, and the smaller fry falls in the frame body 1. , in this way, the fry can be screened, and all the fry in the frame body 1 can be screened once during the screening, which ensures the screening effect. When the water in the frame body 1 needs to be discharged, the drain pipe 2 can be opened to The water in the body 1 is drained.

Example 2

On the basis of Embodiment 1, as shown in FIGS. 4-5 , a transmission device 7 is also included. The transmission device 7 includes a vertical rod 71 , a sliding pipe 72 , an L-shaped plate 73 , a wedge-shaped block 74 , and a compression spring 75 , the guide block 76, the gravity ball 77, the push rod 78 and the swing rod 79, the frame body 1 is connected with a vertical rod 71 on the front and rear sides, the vertical rod 71 is connected with a slide pipe 72, and the arc-shaped push plate 62 slides on both sides. The L-shaped plate 73 is connected with the L-shaped plate 73, the L-shaped plate 73 is slidably connected with a wedge-shaped block 74, a compression spring 75 is connected between the wedge-shaped block 74 and the L-shaped plate 73, the wedge-shaped block 74 is slidingly matched with the sliding pipe 72, and the sliding pipe 72 A guide block 76 is slidably connected inside, the guide block 76 cooperates with the wedge block 74, a gravity ball 77 is connected to the guide block 76, and a push rod 78 is connected to the right side of the slide pipe 72, and the push rod 78 cooperates with the wedge block 74. A swing rod 79 is connected to the gear 54 , and the swing rod 79 cooperates with the gravity ball 77 .

The sector gear 54 also drives the pendulum rod 79 to rotate when it rotates. After the pendulum rod 79 rotates to contact with the gravity ball 77, the pendulum rod 79 continues to rotate and drives the gravity ball 77 to move to the upper left along the slide tube 72 through the guide block 76. After the block 76 moves to contact with the wedge block 74, the guide block 76 continues to move to push the wedge block 74 to move towards the screen 4, and the compression spring 75 is compressed. Under the action of the spring 75, the wedge-shaped block 74 is reset and the guide block 76 is held against it. At this time, the pendulum rod 79 also rotates until it is no longer in contact with the gravity ball 77, and the sector gear 54 also rotates to disengage from the drive gear 55. Under the action, the gravity ball 77 drives the guide block 76 to move downward to the right along the slide pipe 72. The guide block 76 drives the wedge-shaped block 74 to move together when moving, and the wedge-shaped block 74 drives the arc-shaped push plate 62 to the right through the L-shaped plate 73 when moving. When the wedge block 74 moves to contact with the push rod 78, the wedge block 74 continues to move through the swing rod 79 to move towards the screen 4. When the wedge block 74 moves to no longer block the guide block 76, the torsion spring The arc-shaped push plate 62 can be reset under the action of 66 , so that there is no need to pull the arc-shaped push plate 62 to move, which effectively saves manpower.

As shown in FIG. 4 , it also includes a placing plate 8 and a sloping plate 90 , the upper right side of the frame body 1 is connected with the placing plate 8 , the top right side of the frame body 1 is connected with a sloping plate 90 , and the discharge end of the slanting plate 90 is aligned Place plate 8.

When placing the collecting frame, the collecting frame can be placed on the placing plate 8, and the fry pushed out by the arc-shaped push plate 62 will fall into the collecting frame through the inclined plate 90.

The above-mentioned embodiment only expresses the preferred embodiment of the present invention, and its description is more specific and detailed, but should not be construed as a limitation to the patent scope of the present invention accordingly. It should be pointed out that for those of ordinary skill in the art, without departing from the concept of the present invention, some modifications, improvements and substitutions can also 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 governed by the appended claims.

Claims (3)

1. A fry screening device for aquaculture, characterized in that it comprises: a frame body (1), the bottom of which is connected with a drain pipe (2); a bearing seat (3), which is two sets, two bearing seats (3) They are respectively connected on both sides of the top of the frame body (1), and a screen mesh (4) is rotatably connected between the bearing seats (3) on both sides; the driving device (5) is arranged between the frame body (1) and the screen mesh (4). between the nets (4); a pushing device (6), which is arranged on the frame body (1); The driving device (5) includes: a base (51), which is connected to the inner bottom of the frame body (1); an installation frame (52), which is connected to the base (51), and a deceleration motor (52) is installed on the installation frame (52). 53), the output shaft of the deceleration motor (53) passes through the base (51) and rotates with the base (51); the sector gears (54) are two sets, and the two sector gears (54) are rotatably connected to each other. On both sides of the frame body (1), the sector gears (54) are drivingly connected with the output shaft of the deceleration motor (53). 4) On both sides, the sector gear (54) will mesh with the drive gear (55); The pushing device (6) includes: two guide rods (61), which are provided with two guide rods (61) respectively connected on both sides of the top of the frame body (1); an arc-shaped push plate (62), which slides The connecting rod (63) is connected to one side of the frame body (1); the winding wheel (64) ), which is rotatably connected to the connecting rod (63), a pull wire (65) is wound around the reel (64), and the pull wire (65) is connected with the arc push plate (62); the torsion spring (66) is connected to the between the reel (64) and the connecting rod (63). 2. A fish fry screening device for aquaculture according to claim 1, characterized in that it further comprises a transmission device (7), and the transmission device (7) comprises: vertical rods (71), which are arranged in two , the two vertical rods (71) are respectively connected on both sides of the frame body (1), and the vertical rod (71) is connected with a sliding pipe (72); the L-shaped plate (73) is provided in two pieces, two L-shaped The plate (73) is slidably connected to the two sides of the arc-shaped push plate (62) respectively; the wedge-shaped block (74) is provided in two pieces, and the two wedge-shaped blocks (74) are slidably connected to the L-shaped plates (74) on both sides respectively. 73), a compression spring (75) is connected between the wedge block (74) and the L-shaped plate (73), and the wedge block (74) is slidingly fitted with the sliding pipe (72); the guide block (76) is two pieces Setting, the two guide blocks (76) are respectively connected in the two slide pipes (72), the guide block (76) is matched with the wedge block (74), and the guide block (76) is connected with a gravity ball (77); (78), which is two sets, two push rods (78) are respectively connected to the side of the two slide pipes (72) away from the connecting rod (63), and the push rod (78) cooperates with the wedge block (74) ; Swing rods (79), which are two sets, the two swing rods (79) are respectively connected to the two sector gears (54), and the swing rods (79) cooperate with the gravity ball (77). 3. A fish fry screening device for aquaculture according to claim 2, characterized in that, further comprising: a placing plate (8), which is connected to the upper part of the other side of the frame body (1); an inclined plate (90) , which is connected to the top of one side of the frame body (1) close to the placing plate (8), and the discharge end of the inclined plate (90) is aligned with the placing plate (8).

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