CN219803223U

CN219803223U - Zooplankton collection device

Info

Publication number: CN219803223U
Application number: CN202321342626.1U
Authority: CN
Inventors: 王莹莹; 马成学; 武芸鼎; 张恩语; 邱琳雅; 杨婉蜓
Original assignee: Northeast Forestry University
Current assignee: Northeast Forestry University
Priority date: 2023-05-30
Filing date: 2023-05-30
Publication date: 2023-10-10
Anticipated expiration: 2033-05-30

Abstract

The utility model discloses a zooplankton collecting device, which comprises: the fixing part comprises a fixing steel ring, and a net cover is fixedly connected in the fixing steel ring; the collecting part comprises a conical netting, wherein the large diameter end of the conical netting is fixedly connected with the bottom surface of the fixed steel ring, and the small diameter end of the conical netting is fixedly connected and communicated with the storage device; the driving part comprises a top plate, the bottom surface of the top plate is provided with a main driving component and a plurality of auxiliary driving components, the main driving component is in transmission connection with the plurality of auxiliary driving components, a supporting rod is in transmission connection with the auxiliary driving components, one ends of the plurality of supporting rods, which are far away from the auxiliary driving components, are hinged with a connecting plate, the bottom surface of the connecting plate is fixedly connected with a connecting rod, and the bottom end of the connecting rod is fixedly connected with the center of the top surface of the net cover.

Description

Zooplankton collection device

Technical Field

The utility model belongs to the technical field of zooplankton collection, and particularly relates to a zooplankton collection device.

Background

Zooplankton is a generic term for a class of invertebrate and chordate larvae that are often planktonic in water. The zooplankton is very various in species, including partial tiny protozoa, coelenterates, crustaceans, gastropods, jellyfish, rotifers and the like, wherein the radial feet are the most typical, the method has the characteristics of various species, extremely large quantity and wide distribution, the water quality is evaluated by utilizing the change of the zooplankton in the water body, and the nutrition condition of the water body can be reflected, so that the method has very important significance in collecting and monitoring the zooplankton samples.

The current chinese patent discloses a zooplankton collection system CN216567819U, and this scheme is through adjusting rope length according to sampling water layer, opens the pointolite, puts in the sampling waters with the device, after a period, drags out the device, opens the device valve, collects the zooplankton living body. However, the prior art still has the technical defects that zooplankton is extremely easy to adhere to the side wall of the netting when the device is fished out, and the collection efficiency is affected.

Disclosure of Invention

In order to solve the above technical problems, the present utility model provides a zooplankton collecting device, which aims to solve or improve at least one of the above technical problems.

In order to achieve the above object, the present utility model provides a zooplankton collecting device, comprising:

the fixing part comprises a fixing steel ring, and a net cover is fixedly connected in the fixing steel ring;

the collecting part comprises a conical netting, wherein the large diameter end of the conical netting is fixedly connected with the bottom surface of the fixed steel ring, and the small diameter end of the conical netting is fixedly connected and communicated with a storage device;

the driving part comprises a top plate, a main driving assembly and a plurality of auxiliary driving assemblies are arranged on the bottom surface of the top plate, the main driving assemblies are in transmission connection with the auxiliary driving assemblies, supporting rods are in transmission connection with the auxiliary driving assemblies, one ends, away from the auxiliary driving assemblies, of the supporting rods are hinged with connecting plates, connecting rods are fixedly connected to the bottom surface of the connecting plates, and the bottom ends of the connecting rods are fixedly connected with the center of the top surface of the net cover.

Preferably, the main driving assembly comprises a mounting groove, the mounting groove is formed in the bottom surface of the top plate, a servo motor is fixedly mounted in the mounting groove, an output shaft of the servo motor is fixedly connected with a bevel gear disc, and the bevel gear disc is in transmission connection with a plurality of auxiliary driving assemblies.

Preferably, the auxiliary driving assembly comprises a transmission groove, the transmission groove is formed in the bottom surface of the top plate, a plurality of transmission grooves are arranged around the circumference of the installation groove at equal intervals, the transmission groove is communicated with the installation groove, a reciprocating screw is rotationally connected in the transmission groove, a reciprocating sliding block is connected to the reciprocating screw in a transmission manner, a bevel gear is fixedly connected to one end of the reciprocating screw, which is close to the servo motor, of the reciprocating screw, the bevel gear is meshed with the bevel gear disc, and one end of the supporting rod is hinged to the reciprocating sliding block.

Preferably, the two ends of the supporting rod are respectively hinged with a first hinge seat and a second hinge seat, the first hinge seat is fixedly connected to the bottom surface of the reciprocating sliding block, and the second hinge seat is fixedly connected to the top surface of the connecting plate.

Preferably, the cross sections of the transmission groove and the reciprocating sliding block are square, and the size of the transmission groove and the cross section of the reciprocating sliding block are matched.

Preferably, the bottom end of the storage device is fixedly connected and communicated with a water outlet pipe, and a valve is arranged on the water outlet pipe.

Preferably, the top surface of the top plate is fixedly connected with a hanging ring.

Preferably, the cone-shaped netting has a pore size of 65 μm.

Preferably, the mesh cover aperture is 5mm.

Compared with the prior art, the utility model has the following advantages and technical effects:

through hanging the rope with roof and outside and being connected, then throw into the water with the toper net clothing in, after gathering the completion, through pulling out the surface of water with the toper net clothing to make toper net clothing bottom slightly stretch out the surface of water, then drive a plurality of pair of drive assembly motion through main drive assembly, can drive a plurality of pairs of drive assembly and extrude connecting plate and connecting rod, can extrude the net lid by the connecting rod, make the net lid to the motion under water drive toper net clothing submergence surface again, so, only need make the toper net clothing constantly submergence, stretch out the surface of water a plurality of times, can wash the net wall of toper net clothing, thereby avoid zooplankton to hang the net.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1A;

FIG. 3 is a top view of the net cover of the present utility model;

fig. 4 is a schematic view of the bottom structure of the top plate in the present utility model.

In the figure: 1. fixing the steel ring; 2. a net cover; 3. a conical netting; 4. a reservoir; 5. a top plate; 6. a support rod; 7. a connecting plate; 8. a connecting rod; 9. a mounting groove; 10. a servo motor; 11. conical fluted disc; 12. a transmission groove; 13. a reciprocating screw; 14. a reciprocating slide block; 15. bevel gears; 16. a first hinge base; 17. the second hinge seat; 18. a water outlet pipe; 19. a valve; 20. hanging rings.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.

Referring to fig. 1 to 4, the present embodiment provides a zooplankton collecting device, including:

the fixing part comprises a fixing steel ring 1, and a net cover 2 is fixedly connected in the fixing steel ring 1;

the collecting part comprises a conical netting 3, wherein the large diameter end of the conical netting 3 is fixedly connected with the bottom surface of the fixed steel ring 1, and the small diameter end of the conical netting 3 is fixedly connected and communicated with a storage 4;

the drive part, drive part include roof 5, and roof 5 bottom surface is equipped with main drive assembly and a plurality of pair of drive assembly, and main drive assembly is connected with a plurality of pair of drive assembly transmission, and the transmission is connected with branch 6 on the pair of drive assembly, and a plurality of branches 6 keep away from the one end of pair of drive assembly and articulate there is connecting plate 7, and connecting plate 7 bottom surface rigid coupling has connecting rod 8, connecting rod 8 bottom and net lid 2 top surface center rigid coupling.

Through being connected roof 5 with outside string rope, then throw into the aquatic with toper net 3, after gathering, through pulling out the surface of water with toper net 3, and make toper net 3 bottom slightly stretch out the surface of water, then drive a plurality of vice drive assembly motion through main drive assembly, can drive a plurality of spinal branchs pole 6 to connecting plate 7 and connecting rod 8 by a plurality of vice drive assembly and extrude, can extrude net lid 2 by connecting rod 8, make net lid 2 to the underwater motion drive toper net 3 submergence surface again, so, only need to make toper net 3 constantly submergence, stretch out the surface of water several times, can wash the net wall of toper net 3, thereby avoid zooplankton string net.

Further optimizing scheme, main drive assembly includes mounting groove 9, and mounting groove 9 is seted up in roof 5 bottom surface, and mounting groove 9 internal fixation has servo motor 10, and servo motor 10's output shaft rigid coupling has awl tooth dish 11, and awl tooth dish 11 is connected with a plurality of pair drive assembly transmission.

Further optimizing scheme, vice drive assembly includes transmission recess 12, and transmission recess 12 is offered in roof 5 bottom surface, and a plurality of transmission recess 12 set up around mounting groove 9 circumference equidistant, transmission recess 12 and mounting groove 9 intercommunication, transmission recess 12 internal rotation is connected with reciprocating screw 13, and the transmission is connected with reciprocating slider 14 on the reciprocating screw 13, and reciprocating screw 13 is close to servo motor 10's one end rigid coupling has bevel gear 15, and a plurality of bevel gears 15 are connected with awl fluted disc 11 meshing, and branch 6 one end is articulated with reciprocating slider 14.

The conical fluted disc 11 is driven to rotate through the servo motor 10, the plurality of reciprocating screw rods 13 are driven to rotate through the conical fluted disc 11, so that reciprocating sliding blocks 14 are realized to slide in a reciprocating mode, the reciprocating motion of the reciprocating sliding blocks 14 drives the supporting rods 6 to drive the connecting rods 8 to move up and down, so that the conical netting 3 is washed, the plurality of reciprocating screw rods 13 are driven to synchronously move through the servo motor 10, the plurality of reciprocating sliding blocks 14 can synchronously slide in a reciprocating mode, the plurality of supporting rods 6 are driven to synchronously drive the connecting rods 8 through the plurality of reciprocating sliding blocks 14, and the supporting stability of the net cover 2 and the conical netting 3 of the fixed steel ring 1 can be improved.

In a further optimized scheme, two ends of the supporting rod 6 are respectively hinged with a first hinging seat 16 and a second hinging seat 17, the first hinging seat 16 is fixedly connected to the bottom surface of the reciprocating slide block 14, and the second hinging seat 17 is fixedly connected to the top surface of the connecting plate 7.

The overturning of the strut 6 is facilitated by the provision of the first hinging seat 16 and the second hinging seat 17.

Further optimizing scheme, the cross section of the transmission groove 12 and the cross section of the reciprocating slide block 14 are square, and the size is adaptive.

Thus, the reciprocating slide block 14 can be limited, and the reciprocating slide block 14 is prevented from rotating.

In a further optimized scheme, the bottom end of the storage 4 is fixedly connected and communicated with a water outlet pipe 18, and a valve 19 is arranged on the water outlet pipe 18.

Zooplankton in the reservoir 4 can be discharged from the water outlet pipe 18 by opening the valve 19.

Further optimizing scheme, link 20 is fixedly connected with the top surface of roof 5.

Is convenient to be connected with an external hanging rope.

Further optimizing the scheme, the aperture of the conical net 3 is 65 mu m.

Further optimizing scheme, the aperture of the net cover 2 is 5mm.

In the description of the present utility model, it should be understood that the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

The above embodiments are only illustrative of the preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model, and various modifications and improvements made by those skilled in the art to the technical solutions of the present utility model should fall within the protection scope defined by the claims of the present utility model without departing from the design spirit of the present utility model.

Claims

1. Zooplankton collection system, its characterized in that includes:

the fixing part comprises a fixing steel ring (1), and a net cover (2) is fixedly connected in the fixing steel ring (1);

the collecting part comprises a conical netting (3), wherein the large-diameter end of the conical netting (3) is fixedly connected with the bottom surface of the fixed steel ring (1), and the small-diameter end of the conical netting (3) is fixedly connected and communicated with a storage device (4);

the drive part, drive part includes roof (5), roof (5) bottom surface is equipped with main drive assembly and a plurality of pair of drive assembly, main drive assembly with a plurality of pair of drive assembly transmission is connected, the transmission is connected with branch (6) on the pair of drive assembly, a plurality of branch (6) are kept away from pair of drive assembly's one end articulates there is connecting plate (7), connecting plate (7) bottom surface rigid coupling has connecting rod (8), connecting rod (8) bottom with net lid (2) top surface center rigid coupling.

2. The zooplankton harvesting device of claim 1, wherein: the main driving assembly comprises a mounting groove (9), the mounting groove (9) is formed in the bottom surface of the top plate (5), a servo motor (10) is fixedly mounted in the mounting groove (9), a bevel gear disc (11) is fixedly connected with an output shaft of the servo motor (10), and the bevel gear disc (11) is in transmission connection with a plurality of auxiliary driving assemblies.

3. The zooplankton harvesting device of claim 2, wherein: the auxiliary driving assembly comprises a driving groove (12), wherein the driving groove (12) is formed in the bottom surface of the top plate (5), a plurality of driving grooves (12) are arranged around the mounting groove (9) at equal intervals in the circumferential direction, the driving groove (12) is communicated with the mounting groove (9), a reciprocating screw (13) is rotationally connected to the driving groove (12), a reciprocating slide block (14) is connected to the reciprocating screw (13) in a driving manner, a bevel gear (15) is fixedly connected to one end of the reciprocating screw (13) close to the servo motor (10), a plurality of bevel gears (15) are meshed with the bevel gear disc (11), and one end of the supporting rod (6) is hinged to the reciprocating slide block (14).

4. A zooplankton harvesting device according to claim 3, wherein: the two ends of the supporting rod (6) are respectively hinged with a first hinging seat (16) and a second hinging seat (17), the first hinging seat (16) is fixedly connected to the bottom surface of the reciprocating sliding block (14), and the second hinging seat (17) is fixedly connected to the top surface of the connecting plate (7).

5. A zooplankton harvesting device according to claim 3, wherein: the cross sections of the transmission groove (12) and the reciprocating sliding block (14) are square, and the size of the transmission groove is matched with the size of the reciprocating sliding block.

6. The zooplankton harvesting device of claim 1, wherein: the bottom end of the storage device (4) is fixedly connected and communicated with a water outlet pipe (18), and a valve (19) is arranged on the water outlet pipe (18).

7. The zooplankton harvesting device of claim 1, wherein: the top surface of the top plate (5) is fixedly connected with a hanging ring (20).

8. The zooplankton harvesting device of claim 1, wherein: the aperture of the conical netting (3) is 65 mu m.

9. The zooplankton harvesting device of claim 1, wherein: the aperture of the net cover (2) is 5mm.