Screening device for mandarin fish fries

Abstract

The screening device for the mandarin fish fries comprises a base, a communication groove is formed in the base, the upper end of the base is fixedly connected with fixing bases, and the fixing bases are symmetrically distributed on the left side and the right side of the communication groove; the left end and the right end of the first installation arm are fixedly connected with the front end of the fixing base, a first main pulley and a first auxiliary pulley are arranged in the first installation arm and symmetrically distributed in the first installation arm, and the first main pulley is in transmission connection with the first auxiliary pulley through a first traction rope. A traction mechanism is formed by the fixed seat, the mounting arm, the main pulley, the auxiliary pulley and the traction rope, so that the screening cylinder can be pulled and lifted to quickly fish out mandarin fish fries, and the workload is reduced; the traction rope, the main screening cylinder, the auxiliary screening cylinder, the small screening holes and the large screening holes form the screening mechanism, the traction rope can be selectively fixed to the different screening cylinders so that the screening assemblies can be rapidly switched, and the operation procedure of the device is optimized.

Description

Technical Field

[0001] The utility model relates to the technical field of fishery machinery, in particular to a screening device for mandarin fish fry. Background Art

[0002] Before the existing screening device for mandarin fish fry performs screening, the workload of salvaging mandarin fish fry is large, which will reduce the operation efficiency. The Chinese patent discloses a "special screening device for different specifications of salmon and trout fry", the application number of which is "CN202322617939.X", and it includes: a tray rack, a collection rack fixedly connected to one side of the tray rack, a fry tray fixedly connected to the top of the tray rack, and a fry outlet fixedly communicated with one end of the fry tray; a sorting device is arranged at the top of the collection rack, and one end of the fry outlet far away from the fry tray is located above the sorting device. Several collection structures are fixedly connected inside the collection rack, and the several collection structures are arranged along the length direction of the sorting device. The bottoms of the several collection structures are respectively fixedly communicated with several fry collection pools. A driving motor is fixedly connected inside the tray rack, and the driving motor is in transmission connection with the sorting device. With these structures, a special screening device for different specifications of salmon and trout fry that can automatically screen fry, improve the sorting efficiency and survival rate of fry, and can count fry data is realized. However, the salvaging operation amount of the device is large, and the efficiency of the device is limited. Summary of the Utility Model

[0003] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art, and provide a screening device for mandarin fish fry. A pulling mechanism is composed of a fixed seat, a mounting arm, a main pulley, a sub-pulley and a pulling rope, which can pull and lift the screening cylinder to quickly salvage mandarin fish fry, reducing the operation amount; a screening mechanism is composed of a pulling rope, a main screening cylinder, a sub-screening cylinder, small screen holes and large screen holes, which can selectively fix the pulling rope on different screening cylinders to quickly switch the screening components, optimizing the operation process of the device.

[0004] The present utility model also provides a screening device for mandarin fish fry having the above-mentioned one, including: a base, a communication groove is arranged inside the base, and a fixed seat is fixedly connected to the upper end of the base, and the fixed seats are symmetrically distributed on the left and right sides of the communication groove; a first mounting arm, the left and right ends of the first mounting arm are fixedly connected to the front end of the fixed seat, a first main pulley and a first auxiliary pulley are arranged inside the first mounting arm, and the first main pulley and the first auxiliary pulley are symmetrically distributed inside the first mounting arm, and the first main pulley is in transmission connection with the first auxiliary pulley through a first pulling rope; a second mounting arm, the left and right ends of the second mounting arm are fixedly connected to the front end of the fixed seat, a second main pulley and a second auxiliary pulley are arranged inside the second mounting arm, the second main pulley is fixedly connected to the first main pulley through a transmission shaft, and the second main pulley and the second auxiliary pulley are symmetrically distributed inside the second mounting arm, and the second main pulley is in transmission connection with the second auxiliary pulley through a second pulling rope; a main screening cylinder, the upper end of the main screening cylinder is fixedly connected to one end of the first pulling rope away from the first mounting arm, the upper end of the main screening cylinder is fixedly connected to one end of the second pulling rope away from the second mounting arm, small screening holes are arranged at the lower end of the main screening cylinder, a sub-screening cylinder is arranged inside the main screening cylinder, and large screening holes are arranged at the lower end of the sub-screening cylinder.

[0005] For a screening device for mandarin fish fry according to the present utility model, rollers are fixedly connected to the lower end of the base to improve the flexibility of the device. The rollers are located at the four corners of the lower end of the base to make the device stable.

[0006] For a screening device for mandarin fish fry according to the present utility model, an elevator shaft is fixedly connected to the rear end of the fixed seat to facilitate the transportation of fishery personnel. A car is slidably connected inside the elevator shaft through a lifting rail to facilitate loading and unloading. A ladder is fixedly connected to the lower end of the elevator shaft to facilitate the use of the elevator.

[0007] For a screening device for mandarin fish fry according to the present utility model, the upper end of the base abuts against the lower end of the ladder. To make the structure compact.

[0008] For a screening device for mandarin fish fry according to the present utility model, a support plate is fixedly connected to the side end of the first mounting arm to facilitate the fixation of the motor. A motor is fixedly connected to the upper end of the support plate to facilitate the generation of stable power. The output end of the motor is fixedly connected to the first main pulley to facilitate the operation of the main pulley.

[0009] For a screening device for mandarin fish fry according to the present utility model, the lower end of the first mounting arm is fixedly connected to the upper end of the base through a first fixing rod. To make the structure stable.

[0010] A screening device for mandarin fish fry according to the present utility model, the lower end of the second mounting arm is fixedly connected to the upper end of the base through a second fixing rod to make the structure stable. The second mounting arm is fixedly connected to the first mounting arm through a third fixing rod to make the structure firm.

[0011] Beneficial effects

[0012] 1. Compared with the prior art, in this screening device for mandarin fish fry, a pulling mechanism is composed of a fixed seat, a mounting arm, a main pulley, a sub-pulley and a pulling rope, which can pull and lift the screening cylinder to quickly fish out the mandarin fish fry, reducing the workload.

[0013] 2. Compared with the prior art, in this screening device for mandarin fish fry, a screening mechanism is composed of a pulling rope, a main screening cylinder, a sub-screen cylinder, small sieve holes and large sieve holes, which can selectively fix the pulling rope on different screening cylinders to quickly switch the screening components, optimizing the operation process of the device. Description of the drawings

[0014] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0015] Figure 1 It is a schematic structural diagram of a screening device for mandarin fish fry of the present utility model;

[0016] Figure 2 It is a top view structural diagram of a screening device for mandarin fish fry of the present utility model;

[0017] Figure 3 It is a longitudinal sectional structural diagram of a screening device for mandarin fish fry of the present utility model;

[0018] Figure 4 It is a transverse sectional structural diagram of a screening device for mandarin fish fry of the present utility model.

[0019] Legend description:

[0020] 1. Base; 2. Main screening cylinder; 3. First fixing rod; 4. First pulling rope; 5. Roller; 6. Fixed seat; 7. First mounting arm; 8. Support plate; 9. Motor; 10. First main pulley; 11. First sub-pulley; 12. Third fixing rod; 13. Transmission shaft; 14. Second main pulley; 15. Second fixing rod; 16. Second sub-pulley; 17. Second pulling rope; 18. Sub-screen cylinder; 19. Large sieve hole; 20. Lifting rail; 21. Carriage; 22. Elevator shaft; 23. Ladder; 24. Second mounting arm; 25. Small sieve hole; 26. Communication groove. Specific embodiments

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figures 1-4 The utility model embodiment is a screening device for mandarin fish fry, which includes: a base 1, the lower end of the base 1 is fixedly connected with a roller 5 for movement, the roller 5 is located at the four corners of the lower end of the base 1 for balance, a connecting groove 26 is arranged inside the base 1 to form a lifting space for the sieve cylinder, the upper end of the base 1 is fixedly connected with a fixing seat 6 to fix the installation arm, the fixing seats 6 are symmetrically distributed on the left and right sides of the connecting groove 26 to form a stable layout, the rear end of the fixing seat 6 is fixedly connected with an elevator shaft 22 to install a car, and a car 21 is slidably connected to the elevator shaft 22 through a lifting rail 20 for carrying, and a ladder 23 is fixedly connected to the lower end of the elevator shaft 22 for climbing, and the upper end of the base 1 abuts against the lower end of the ladder 23 to form a compact structure;

[0023] The first mounting arm 7, the left and right ends of the first mounting arm 7 are fixedly connected to the front end of the fixed seat 6 to form a mounting structure of the mounting arm, a first main pulley 10 and a first secondary pulley 11 are arranged in the first mounting arm 7, and a pulling rope is installed. The first main pulley 10 and the first secondary pulley 11 are symmetrically distributed inside the first mounting arm 7 to form a stable layout, the first main pulley 10 is connected to the first secondary pulley 11 through the first pulling rope 4 to form a transmission structure, the side end of the first mounting arm 7 is fixedly connected to a support plate 8 to fix the motor, the upper end of the support plate 8 is fixedly connected to a motor 9 to provide power, the output end of the motor 9 is fixedly connected to the first main pulley 10 to form a transmission structure, the lower end of the first mounting arm 7 is fixedly connected to the upper end of the base 1 through the first fixing rod 3 to form a stable structure;

[0024] The second mounting arm 24, the left and right ends of the second mounting arm 24 are fixedly connected to the front end of the fixed seat 6 to form a mounting structure of the mounting arm, the second mounting arm 24 is provided with a second main pulley 14 and a second secondary pulley 16, and a pulling rope is installed. The second main pulley 14 is fixedly connected to the first main pulley 10 through the transmission shaft 13 to form a transmission structure, the second main pulley 14 and the second secondary pulley 16 are symmetrically distributed inside the second mounting arm 24 to form a stable layout, the second main pulley 14 is transmission-connected to the second secondary pulley 16 through the second pulling rope 17 to form a transmission structure, the lower end of the second mounting arm 24 is fixedly connected to the upper end of the base 1 through the second fixing rod 15 to form a stable structure, and the second mounting arm 24 is fixedly connected to the first mounting arm 7 through the third fixing rod 12 to form a firm structure;

[0025] The main screening cylinder 2 has its upper end fixedly connected to one end of the first pulling rope 4 away from the first mounting arm 7 to form the mounting structure of the screening cylinder. The upper end of the main screening cylinder 2 is fixedly connected to one end of the second pulling rope 17 away from the second mounting arm 24 to form the mounting structure of the screening cylinder. The lower end of the main screening cylinder 2 is provided with small screening holes 25 for screening mandarin fish fry. A secondary screening cylinder 18 is arranged inside the main screening cylinder 2 to screen out large mandarin fish fry. The lower end of the secondary screening cylinder 18 is provided with large screening holes 19 for screening mandarin fish fry.

[0026] Working principle: The mandarin fish fry are screened by using the screening device for mandarin fish fry. The motor 9 is started, and the motor 9 drives the first main pulley 10 inside the first mounting arm 7 to rotate. The first main pulley 10 drives the second main pulley 14 inside the second mounting arm 24 to rotate. The first main pulley 10 and the first auxiliary pulley 11 pull and lift the main screening cylinder 2 and the secondary screening cylinder 18 through the first pulling rope 4. The second main pulley 14 and the second auxiliary pulley 16 pull and lift the main screening cylinder 2 and the secondary screening cylinder 18 through the second pulling rope 17. The main screening cylinder 2 and the secondary screening cylinder 18 will screen the mandarin fish fry.

[0027] The above has described the embodiments of the present invention in detail with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the knowledge scope of those of ordinary skill in the art to which the present invention pertains, various changes can also be made without departing from the gist of the present invention.

Claims

1. A screening device for mandarin fish fry, characterized in that: include: A base (1), wherein a connecting groove (26) is arranged inside the base (1), and a fixing seat (6) is fixedly connected to the upper end of the base (1), and the fixing seat (6) is symmetrically distributed on the left and right sides of the connecting groove (26); A first mounting arm (7), the left and right ends of the first mounting arm (7) are fixedly connected to the front end of the fixing seat (6), a first main pulley (10) and a first secondary pulley (11) are arranged inside the first mounting arm (7), the first main pulley (10) and the first secondary pulley (11) are symmetrically distributed inside the first mounting arm (7), and the first main pulley (10) is transmission-connected to the first secondary pulley (11) via a first pulling rope (4); A second mounting arm (24), the left and right ends of the second mounting arm (24) are fixedly connected to the front end of the fixing seat (6), a second main pulley (14) and a second secondary pulley (16) are arranged inside the second mounting arm (24), the second main pulley (14) is fixedly connected to the first main pulley (10) through a transmission shaft (13), the second main pulley (14) and the second secondary pulley (16) are symmetrically distributed inside the second mounting arm (24), and the second main pulley (14) is transmission-connected to the second secondary pulley (16) through a second pulling rope (17); A main screen cylinder (2), the upper end of the main screen cylinder (2) is fixedly connected to one end of a first pulling rope (4) away from a first mounting arm (7), the upper end of the main screen cylinder (2) is fixedly connected to one end of a second pulling rope (17) away from a second mounting arm (24), a small screen hole (25) is provided at the lower end of the main screen cylinder (2), an auxiliary screen cylinder (18) is provided in the main screen cylinder (2), and a large screen hole (19) is provided at the lower end of the auxiliary screen cylinder (18).

2. A screening device for mandarin fish fry according to claim 1, characterized in that: The lower end of the base (1) is fixedly connected with a roller (5), and the roller (5) is located at the four corners of the lower end of the base (1).

3. The screening device for mandarin fish fry according to claim 1, characterized in that: The rear end of the fixed seat (6) is fixedly connected to an elevator shaft (22), a car (21) is slidably connected in the elevator shaft (22) via a lifting rail (20), and a ladder (23) is fixedly connected to the lower end of the elevator shaft (22).

4. The screening device for mandarin fish fry according to claim 1, characterized in that: The upper end of the base (1) abuts against the lower end of the ladder (23).

5. The screening device for mandarin fish fry according to claim 1, characterized in that: The side end of the first mounting arm (7) is fixedly connected to a support plate (8), the upper end of the support plate (8) is fixedly connected to a motor (9), and the output end of the motor (9) is fixedly connected to the first main pulley (10).

6. The screening device for mandarin fish fry according to claim 1, characterized in that: The lower end of the first mounting arm (7) is fixedly connected to the upper end of the base (1) via a first fixing rod (3).

7. The screening device for mandarin fish fry according to claim 1, characterized in that: The lower end of the second mounting arm (24) is fixedly connected to the upper end of the base (1) via a second fixing rod (15), and the second mounting arm (24) is fixedly connected to the first mounting arm (7) via a third fixing rod (12).

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