CN113804109A

CN113804109A - Device for measuring fish body

Info

Publication number: CN113804109A
Application number: CN202111031842.XA
Authority: CN
Inventors: 王储庆; 葛慧; 闫欣; 王燕平; 吴磊; 施金金; 汤建华; 于雯雯; 仲霞铭
Original assignee: JIANGSU MARINE FISHERIES RESEARCH INSTITUTE
Current assignee: JIANGSU MARINE FISHERIES RESEARCH INSTITUTE
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2021-12-17
Anticipated expiration: 2041-09-03
Also published as: CN113804109B

Abstract

The invention relates to the technical field of fishery equipment, and discloses a device for measuring a fish body, which comprises a cylinder body, a first supporting rod, a supporting plate, a second supporting rod, an annular track, a camera, a damping column, a bottom plate, a servo motor, a first rotating shaft, fan blades, a main rod, a containing groove, a first connecting rod, a first connecting block, a second connecting block, a cross rod, a first spring, a third connecting block, a second connecting rod, a telescopic motor, a telescopic rod and a third supporting rod. According to the invention, the servo motor is arranged to control the fan blades to swing continuously, so that the function of suspending the device in water can be realized, fish bodies of fish at the upper layer, fish at the middle layer and fish at the lower layer in water can be measured under the condition that the fish bodies are not fished out and damaged, and the fish is bound by arranging the cross rod, so that the fish is always positioned at the center of the cylinder body when the camera moves on the circular track, and the shooting and the measurement are convenient. The invention also reduces the shaking of the cylinder body when the fan blade swings by arranging the damping columns, and has strong practicability.

Description

Device for measuring fish body

Technical Field

The invention relates to the technical field of fishery equipment, in particular to a device for measuring a fish body.

Background

At present, in related researches on fish body size measurement at home and abroad, fish is mostly grabbed for measurement, and the mucous membrane on the surface of the fish body can be damaged during measurement, so that the activity of the fish is influenced, and the fish is not suitable for measurement of rare fishes.

In the prior art, a measuring device is put into water and induces fish to pass through the device by an inducer, and the measurement of the size of the fish body is realized by a shell, a controller, a display, a door opening, an electric telescopic rod, a correlation sensor, a distance sensor, a push plate and the inducer.

Therefore, it is necessary to design a device capable of measuring the middle fish and the upper fish without damaging the fish, so as to solve the above problems.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides a device for measuring fish bodies, which can measure the fish bodies without damaging the fish bodies and fishing out the water surface, is suitable for fish living in water at various depths and can measure fish with different sizes.

The technical purpose of the invention is realized by the following technical scheme: a device for measuring a fish body comprises a cylinder body which is horizontally arranged and made of transparent plastic materials, wherein a first supporting rod is arranged at the bottom of one end of the cylinder body; the bottom of the supporting plate is provided with a damping column, the bottom of the damping column is provided with a bottom plate, the top of the bottom plate is symmetrically provided with two servo motors, the two servo motors are respectively positioned at two opposite side edges of the top of the bottom plate, the output end of each servo motor is fixedly connected with a first rotating shaft, the first rotating shaft is parallel to the length direction of the bottom plate, and the outer wall of the first rotating shaft is sleeved with fan blades; a main rod is arranged in the cylinder, one end of the main rod extends out of the cylinder, the main rod is close to one end of the cylinder, which is far away from the first supporting rod, a containing groove is formed in the top of one end of the main rod, which is located in the cylinder, four first connecting rods are arranged between the main rod and the inner wall of the cylinder, and the four first connecting rods are arranged at equal intervals along the axial direction of the main rod; the outer wall cover of first connecting rod is equipped with first connecting block and second connecting block, the one end of first connecting block is equipped with the horizontal pole that sets up along the length direction of cylinder, be equipped with first spring between first connecting block and the second connecting block, the lateral wall cover of mobile jib is equipped with the third connecting block, be equipped with the second connecting rod between third connecting block and the second connecting block, the one end that the mobile jib stretches out the cylinder is equipped with flexible motor, the output fixedly connected with telescopic link of flexible motor, the telescopic link cup joints with the mobile jib, the third connecting block is connected with the telescopic link, be equipped with the third bracing piece between flexible motor and the backup pad.

Further, the circular orbit is equipped with the U-shaped frame, the U-shaped frame includes two risers and locates the diaphragm between two risers, the bottom of diaphragm is located to the camera, the inboard of two risers is equipped with the draw-in groove that supplies the circular orbit card to go into, the top of riser is equipped with the second pivot of the wall thickness that passes two risers, the one end of second pivot is equipped with the rotating electrical machines, the lateral wall cover of the second pivot between two risers is equipped with the gyro wheel, the lateral wall of the convex surface of gyro wheel is equipped with first rack, the surface that the circular orbit deviates from the cylinder is equipped with the second rack with first rack toothing.

Furthermore, the shock attenuation post is equipped with the second spring including locating the sleeve of backup pad bottom and locating the bottom plate top and stretching into the inserted bar in the sleeve, between the top of inserted bar and the bottom of backup pad.

Further, the flabellum includes that four connecting rods, fence layer, rubber membrane and the dead lever of first pivot outer wall are located to two interval cover, and fence layer, rubber membrane and dead lever set up between two fourth connecting rods, and fence layer, rubber membrane and dead lever from top to bottom stack the setting in proper order, and the dead lever bonds with the rubber membrane.

Furthermore, one end of the cross rod, which is far away from the first connecting block, is provided with a stop lever of which the end part vertically faces to the center of the cylinder.

Further, the included angle between the first connecting rod and the main rod is smaller than 90 degrees.

Further, the bottom of the bottom plate is provided with an air cushion covering the bottom surface of the bottom plate.

Furthermore, one end of the main rod extending into the cylinder body is provided with a ball body.

Compared with the prior art, the invention has the following beneficial effects: according to the invention, the servo motor is arranged to control the fan blades to swing continuously, so that the function of suspending the device in water can be realized, fish bodies of fish at the upper layer, fish at the middle layer and fish at the lower layer in water can be measured under the condition that the fish bodies are not fished out and damaged, and the fish is bound by arranging the cross rod, so that the fish is always positioned at the center of the cylinder body when the camera moves on the circular track, and the shooting and the measurement are convenient. The invention also reduces the shaking of the cylinder body when the fan blade swings by arranging the damping columns, and has strong practicability.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a block diagram of a front view of the present invention;

FIG. 3 is a left side view of the present invention;

FIG. 4 is a structural view of a third connecting block in the present invention;

FIG. 5 is a view showing the structure of a U-shaped frame in the case where the first rack is not provided in the present invention;

FIG. 6 is a top view of the base plate of the present invention;

FIG. 7 is a structural view of a fan blade of the present invention;

in the figure: 1. a cylinder; 2. a first support bar; 3. a support plate; 4. a second support bar; 5. an annular track; 6. a camera; 7. a shock-absorbing post; 8. a base plate; 9. a servo motor; 10. a first rotating shaft; 11. a fan blade; 12. a main rod; 13. a containing groove; 14. a first link; 15. a first connection block; 16. a cross bar; 17. a second connecting block; 18. a first spring; 19. a third connecting block; 20. a second link; 21. a telescopic motor; 22. a telescopic rod; 23. a third support bar; 24. a vertical plate; 25. a transverse plate; 26. a card slot; 27. a second rotating shaft; 28. a rotating electric machine; 29. a roller; 30. a first rack; 31. a second rack; 32. a sleeve; 33. inserting a rod; 34. a second spring; 35. a fourth link; 36. a fence layer; 37. a rubber film; 38. fixing the rod; 39. a stop lever; 40. an air cushion; 41. a sphere.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.

Example (b): a device for measuring a fish body is disclosed, as shown in figures 1 to 7, comprising a cylinder body 1 which is horizontally arranged and made of transparent plastic, a first support rod 2 which is vertically arranged is welded at the bottom of one end of the cylinder body 1, a support plate 3 is welded at the bottom of the first support rod 2, a second support rod 4 is welded at the top of the support plate 3, an annular track 5 which is sleeved at the periphery of the cylinder body 1 is welded at the top of the second support rod 4, the annular track 5 is not contacted with the cylinder body 1, a U-shaped frame is installed on the annular track 5, the U-shaped frame comprises two vertical plates 24 and a transverse plate 25 which is arranged between the two vertical plates 24, a camera 6 is fixedly connected at the bottom of the transverse plate 25, clamping grooves 26 for the annular track 5 to be clamped in are welded at the inner sides of the two vertical plates 24, a second rotating shaft 27 which passes through the wall thicknesses of the two vertical plates 24 is installed at the top ends of the vertical plates 24, the second rotating shaft 27 is arranged at the output end of a rotating motor 28, steerable second pivot 27 of rotating electrical machines 28 is forward or reverse rotation, gyro wheel 29 is installed to the lateral wall cover of second pivot 27 between two risers 24, gyro wheel 29 and second pivot 27 fixed connection, the outer wall of the convex surface of gyro wheel 29 is fixed with first rack 30, the surface mounting that circular orbit 5 deviates from cylinder 1 has the second rack 31 with first rack 30 meshing, when rotating electrical machines 28 drove gyro wheel 29 and rotates, whole U-shaped frame also removed along circular orbit 5, the camera of being convenient for carries out all-round shooting to the fish body.

Shock attenuation post 7 is installed to the bottom of backup pad 3, the bottom welding of shock attenuation post 7 has bottom plate 8, the air cushion 40 of the bottom fixedly connected with of bottom plate 8 cover bottom plate 8's bottom surface, air cushion 40 can increase device's buoyancy, shock attenuation post 7 is including welding in the sleeve 32 of backup pad 3 bottom and welding in the inserted bar 33 of bottom plate 8 top and stretching into in the sleeve 32, install second spring 34 between the top of inserted bar 33 and the bottom of backup pad 3, realize the vibrations of the device that arouses when reducing flabellum 11 fanning through setting up shock attenuation post 7, and convenient to use.

Two servo motors 9 are symmetrically installed at the top of the bottom plate 8, the two servo motors 9 are respectively located at two opposite side edges of the top of the bottom plate 8, a first rotating shaft 10 is fixedly connected to an output end of each servo motor 9, the first rotating shaft 10 is parallel to the length direction of the bottom plate 8, fan blades 11 are installed on the outer wall of the first rotating shaft 10, the servo motors 9 can control the fan blades 11 to fan back and forth in the forward direction and the reverse direction, stepless speed regulation can be achieved, and the device can be suspended in water conveniently at a proper fan-moving speed, each fan blade 11 comprises two fourth connecting rods 35 which are sleeved on the outer wall of the first rotating shaft 10 at intervals, a fence layer 36, a rubber film 37 and a fixing rod 38, the fence layer 36, the rubber film 37 and the fixing rod 38 are arranged between the two fourth connecting rods 35, the fence layer 36, the rubber film 37 and the fixing rod 38 are sequentially overlapped from top to bottom, and the fixing rod 38 is bonded with the rubber film 37. When the fan blade 11 is fanned upwards, the rubber membrane 37 can be folded by taking the fixing rod 38 as an axis under the action of pressure, so that the downward force brought to the device when the fan blade 11 is fanned upwards is reduced, and when the fan blade 11 is fanned downwards, the fan blade 11 can be blocked by the fence layer 36, so that the rubber membrane 37 is in a flat state in the whole process of fanning downwards, the upward force of the device is increased, and the suspension of the device in water is convenient to realize.

Install a mobile jib 12 that a tip extends to the cylinder 1 outside in the cylinder 1, the mobile jib 12 is close to the one end that first bracing piece 2 was kept away from to cylinder 1, and mobile jib 12 stretches into the one end fixedly connected with spheroid 41 of cylinder 1, and spheroid 41 is the standard ball, the diameter of measurable quantity spheroid 41 before the use, when image processing of being convenient for, measure the calculation for the size of the fish body as the size reference to spheroid 41. The top of one end of the main rod 12, which is positioned in the cylinder body 1, is fixedly connected with a containing groove 13, a fish inducer can be placed in the containing groove 13, so that fish can be attracted into the cylinder body 1 conveniently, four first connecting rods 14 are fixedly connected between the main rod 12 and the inner wall of the cylinder body 1, and the four first connecting rods 14 are arranged at equal intervals along the axial direction of the main rod 12; the outer wall of the first connecting rod 14 is slidably sleeved with a first connecting block 15 and a second connecting block 17, one end of the first connecting block 15 is fixedly connected with a cross rod 16 arranged along the length direction of the cylinder 1, one end of the cross rod 16 far away from the first connecting block 15 is welded with a stop lever 39 with the end part vertically facing to the center of the cylinder 1, a first spring 18 is arranged between the first connecting block 15 and the second connecting block 17, the outer side wall of the main rod 12 is slidably connected with a third connecting block 19, a second connecting rod 20 is connected between the third connecting block 19 and the second connecting block 17, the second connecting rod 20 is rotatably connected between the third connecting block 19 and the second connecting block 17, one end of the main rod 12 extending out of the cylinder 1 is provided with a telescopic motor 21, the output end of the telescopic motor 21 is fixedly connected with a telescopic rod 22, the telescopic rod 22 is sleeved with the main rod 12, and the third connecting block 19 is fixedly connected with the telescopic rod 22, a third support rod 23 is fixedly connected between the telescopic motor 21 and the support plate 3.

It should be noted that, in the above embodiment of the present invention, the servo motor 9, the telescopic motor 21 and the rotating motor 28 can be remotely controlled.

The working principle is as follows: when the fish induction device is used, fish induction agents are put into the containing groove 13, different induction agents can be put into different fishes to ensure that the induction agents can induce the fishes to enter the cylinder body 1, the device is immersed into water, when the device is immersed to the water depth of life of a target fish body, the servo motor 9 is started, the fan blades 11 start to fan, the fan speed of the fan blades 11 is adjusted to the target depth of the device suspended in the water, the static induction agents induce the fishes to enter the cylinder body 1 through camera observation, when the fishes enter the cylinder body 1, the telescopic rod 22 of the telescopic motor 21 is controlled to contract, at the moment, the third connecting block 19 moves leftwards, the second connecting block 17 is driven to move downwards along the first connecting rod 14 through the second connecting rod 20, the second connecting block 17 drives the first connecting block 15 through the first spring 18 to drive the first connecting block 15 to move downwards along the first connecting rod 14, and the four cross rods 16 also start to contract towards the center of the cylinder body 1, when the horizontal pole 16 contacts the fish body, because the fish body shape is irregular, usually two vertical horizontal poles 16 contact the fish body earlier, then because the effect of first spring 18, telescopic link 22 still can continue to contract when can not give the too big extrusion force of fish body, until two horizontal poles 16 also butt to the fish body surface, tie the fish to the center of cylinder 1, control rotating electrical machines 28 is rotatory this moment, gyro wheel 29 drives the U-shaped frame and moves along circular orbit 5, carry out all-round shooting to the fish, and during the shooting, spheroid 41 can be clapped to camera 6. Then, the shot contour of the fish body can be copied through software, and the data of the body length, the trunk length, the inter-ocular distance and the like of the fish body can be measured through comparing and calculating the copied line and the diameter of the sphere 41.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The device for measuring the fish body is characterized by comprising a cylinder body (1) which is horizontally arranged and made of transparent plastic, wherein a first supporting rod (2) is arranged at the bottom of one end of the cylinder body (1), a supporting plate (3) is arranged at the bottom of the first supporting rod (2), a second supporting rod (4) is arranged at the top of the supporting plate (3), an annular track (5) sleeved on the periphery of the cylinder body (1) is arranged at the top of the second supporting rod (4), and a camera (6) capable of moving along the annular track (5) is arranged on the annular track (5); the damping column (7) is arranged at the bottom of the supporting plate (3), the bottom of the damping column (7) is provided with a bottom plate (8), the top of the bottom plate (8) is symmetrically provided with two servo motors (9), the two servo motors (9) are respectively positioned at two opposite side edges of the top of the bottom plate (8), the output end of each servo motor (9) is fixedly connected with a first rotating shaft (10), the first rotating shaft (10) is parallel to the length direction of the bottom plate (8), and the outer wall of the first rotating shaft (10) is sleeved with fan blades (11); a main rod (12) with one end extending out of the cylinder (1) is arranged in the cylinder (1), the main rod (12) is close to one end, far away from the first supporting rod (2), of the cylinder (1), a containing groove (13) is formed in the top of one end, located in the cylinder (1), of the main rod (12), four first connecting rods (14) are arranged between the main rod (12) and the inner wall of the cylinder (1), and the four first connecting rods (14) are arranged at equal intervals along the axial direction of the main rod (12); the outer wall of the first connecting rod (14) is sleeved with a first connecting block (15) and a second connecting block (17), one end of the first connecting block (15) is provided with a cross bar (16) arranged along the length direction of the cylinder body (1), a first spring (18) is arranged between the first connecting block (15) and the second connecting block (17), a third connecting block (19) is sleeved on the outer side wall of the main rod (12), a second connecting rod (20) is arranged between the third connecting block (19) and the second connecting block (17), one end of the main rod (12) extending out of the cylinder body (1) is provided with a telescopic motor (21), the output end of the telescopic motor (21) is fixedly connected with a telescopic rod (22), the telescopic rod (22) is sleeved with the main rod (12), the third connecting block (19) is connected with the telescopic rod (22), and a third support rod (23) is arranged between the telescopic motor (21) and the support plate (3).

2. Device for measuring fish bodies according to claim 1, characterised in that the endless track (5) is provided with a U-shaped frame, the U-shaped frame comprises two vertical plates (24) and a transverse plate (25) arranged between the two vertical plates (24), the camera (6) is arranged at the bottom of the transverse plate (25), the inner sides of the two vertical plates (24) are provided with clamping grooves (26) for clamping the annular track (5), the top ends of the vertical plates (24) are provided with second rotating shafts (27) which penetrate through the wall thickness of the two vertical plates (24), one end of the second rotating shaft (27) is provided with a rotating motor (28), the outer side wall of the second rotating shaft (27) between the two vertical plates (24) is sleeved with a roller (29), the lateral wall of the convex surface of the roller (29) is provided with a first rack (30), and the surface of the annular track (5) departing from the cylinder body (1) is provided with a second rack (31) meshed with the first rack (30).

3. A device for measuring fish according to claim 1, characterized in that the shock-absorbing column (7) comprises a sleeve (32) arranged at the bottom of the support plate (3) and an insert rod (33) arranged at the top of the base plate (8) and extending into the sleeve (32), and a second spring (34) is arranged between the top of the insert rod (33) and the bottom of the support plate (3).

4. The device for measuring the fish body as claimed in claim 1, wherein the fan blade (11) comprises two fourth connecting rods (35), a fence layer (36), a rubber film (37) and a fixing rod (38) which are sleeved on the outer wall of the first rotating shaft (10) at intervals, the fence layer (36), the rubber film (37) and the fixing rod (38) are arranged between the two fourth connecting rods (35), the fence layer (36), the rubber film (37) and the fixing rod (38) are sequentially overlapped from top to bottom, and the fixing rod (38) is bonded with the rubber film (37).

5. A device for measuring fish according to claim 1, characterized in that the end of the cross bar (16) remote from the first connecting piece (15) is provided with a stop lever (39) whose end is directed perpendicularly towards the centre of the cylinder (1).

6. Device for measuring the body of a fish according to claim 1, characterized in that the angle between the first link (14) and the main bar (12) is less than 90 °.

7. Device for measuring fish bodies according to claim 1, characterized in that the bottom of the bottom plate (8) is provided with an air cushion (40) covering the bottom surface of the bottom plate (8).

8. A device for measuring fish according to claim 1, characterized in that the end of the main shaft (12) that extends into the cylinder (1) is provided with a ball (41).