CN219956934U

CN219956934U - Phytoplankton collection system

Info

Publication number: CN219956934U
Application number: CN202321058889.XU
Authority: CN
Inventors: 雷湘; 周燕; 徐欣; 李晓宁; 徐浩; 江珊珊; 甘晓娟; 朱仁庆; 傅静
Original assignee: Chongqing Water Group Water Quality Testing Co ltd
Current assignee: Chongqing Water Group Water Quality Testing Co ltd
Priority date: 2023-05-05
Filing date: 2023-05-05
Publication date: 2023-11-03
Anticipated expiration: 2033-05-05

Abstract

The utility model discloses a phytoplankton collecting device which is characterized by comprising a floating frame, wherein a transmission rod is vertically arranged in the middle of the floating frame and is detachably connected with a driving motor; the floating frame is provided with a collecting device, the collecting device comprises a net bag, a supporting ring is arranged at the net mouth of the upper end of the net bag, and a valve used for opening and closing is arranged at the bottom of the lower end of the net bag. The utility model has the advantages of simple structural design, capability of effectively capturing phytoplankton and the like.

Description

Phytoplankton collection system

Technical Field

The utility model relates to the technical field of phytoplankton collection, in particular to a phytoplankton collection device.

Background

Phytoplankton refers to a minute plant living in water as a plankton, and in the case of water quality analysis and detection, collection of phytoplankton may be involved, and the collected phytoplankton is analyzed to assist in the result of water quality analysis. At present, the phytoplankton is collected mainly by adopting modes of manual hand-held dip net, funnel moving in water and the like, but the collection modes have the problems of low collection efficiency, less collection samples, low capture rate of the phytoplankton, easy fatigue of users and the like, are inconvenient to collect the phytoplankton, and influence the research of the phytoplankton.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to solve the technical problems that: how to provide a simple structural design, the phytoplankton collection system who conveniently gathers phytoplankton.

In order to solve the technical problems, the utility model adopts the following technical scheme: the phytoplankton collecting device is characterized by comprising a floating frame, wherein a transmission rod is vertically arranged in the middle of the floating frame and is detachably connected with a driving motor; the floating frame is provided with a collecting device, the collecting device comprises a net bag, a supporting ring is arranged at the net mouth of the upper end of the net bag, and a valve used for opening and closing is arranged at the bottom of the lower end of the net bag.

The floating frame is placed in water and floats on the water surface by means of the buoyancy of the water body, the transmission rod is connected with the driving motor, so that the floating frame rotates in the water, the collection device arranged on the floating frame collects phytoplankton in the water, and the device is simple in structure and convenient to assemble and carry. Wherein, collection system includes pocket and valve, when gathering, closes the valve, floats the frame and drives collection system in the rotation of aquatic in rotatory in-process, and phytoplankton is collected in the pocket through the net gape of pocket, can make can gather the phytoplankton of different degree of depth through driving motor control rotational speed, has the transfer line of certain length to improve collection efficiency and accuracy. And after the collection is completed, opening a valve, and taking out phytoplankton in the mesh bag.

Further, the floating frame comprises a circular supporting frame, a buoyancy outer cover is covered outside the supporting frame, a supporting rod is arranged on the inner side of the supporting frame along the radial direction, a connecting seat is arranged in the middle of the supporting rod, and the bottom end of the transmission rod is connected with the supporting rod through the connecting seat.

The floating frame adopts the design of a circular supporting frame and an outer buoyancy cover, so that the buoyancy and the stability can be improved; the support frame is provided with the support rods along the radial direction, the bottom ends of the transmission rods can be connected with the support rods, so that the transmission rods are arranged at the circle center of the support frame through the support rods, the strength and stability of the floating frame are improved, the effect of collecting the floating frame in the rotating process due to uneven stress is avoided, and the weight of the device can be reduced.

Further, the connecting seat is provided with a jack which is vertically arranged, the upper end of the connecting seat is provided with a slot which is in a U shape in a penetrating way, the outer side wall of the connecting seat is rotatably provided with a lock hook through a rotating shaft, the lock hook is correspondingly arranged with the slot, the hook top of the lock hook is provided with an inclined plane which is arranged in a downward inclined way, two sides of the bottom end of the transmission rod are provided with fixing columns which are formed by radial extension, and the hook web of the lock hook is buckled on the fixing columns.

Like this, because the transfer line cartridge is on the connecting seat, conveniently dismantle and carry, through the mode of vertical cartridge, latch hook automatic rotation waits that the fixed column enters into in the slot, through torsional spring automatic re-setting, locks the fixed column to fixed transfer line.

Further, the acquisition device comprises a fixed rope connected between the support frame and the support ring.

The acquisition device comprises a fixed rope connected between the support frame and the support ring, and the fixed rope has flexibility, so that when the support ring with a certain weight rotates in water, the fixed rope provides tension.

Still further, the support frame is provided with the solid fixed ring along circumference, the one end of fixed rope is connected the support ring, the other end is connected the solid fixed ring.

The support frame sets up solid fixed ring along circumference, and gu fixed ring is connected to the one end of fixed rope, and gu fixed ring is connected to the other end, can realize that collection system symmetry is fixed, improves collection system's stability and accuracy, and in the course of the work, gu fixed rope and gu fixed ring can receive certain power along with the rotation of floating frame, mainly include centrifugal force and gravity, and gu fixed rope and gu fixed ring's setting can guarantee that collection system's position is stable in aquatic, can not receive the interference of rivers.

Furthermore, the support ring is correspondingly provided with two fixing ropes, one ends of the two fixing ropes are respectively connected with two radial sides of the support ring, and the fixing rings are correspondingly arranged with the fixing ropes.

The fixed rope is provided with two, and one end is connected support ring diameter ascending both sides respectively, and fixed ring corresponds the setting with fixed rope, can make collection system keep balance in the rivers, prevents skew or upset, guarantees the collection effect, and when the transfer line rotational speed was different, the contained angle between support ring and the transfer line was changed thereupon, and two fixed rope intensity is higher.

Further, the mesh bags are uniformly distributed along the circumferential direction of the supporting frame.

The support frame is connected with a plurality of net bags along the circumference, so that the collection efficiency and range can be improved, and the stability of the support frame is kept.

Further, the transmission rod is provided with scale marks arranged from bottom to top.

Phytoplankton can be generally distributed in different depth ranges of a water body, and graduation marks can be used for determining the position and the moving distance of a transmission rod and providing depth reference.

Further, a funnel-shaped net barrel is arranged at the opening of the net bag, an annular supporting ring is arranged at the bottom of the net barrel, and a gravity block is connected below the annular supporting ring.

Thus, when rotating, the gravity block opens the net drum, phytoplankton passes through the annular supporting ring and enters the net bag, and when stopping rotating, the net drum can reduce the buoyancy or flow of the phytoplankton to a certain extent to cause the phytoplankton to be separated from the net bag.

In conclusion, the utility model has the advantages of simple structural design, convenient collection of phytoplankton and the like.

Drawings

Fig. 1 is a schematic structural view of a phytoplankton harvesting device.

Fig. 2 is a plan view of the phytoplankton harvesting device.

Fig. 3 is a cross-sectional view of the support frame.

Fig. 4 is a schematic structural diagram of the connection base.

Detailed Description

The present utility model will be described in further detail with reference to examples.

The specific implementation method comprises the following steps: as shown in fig. 1 to 4, a phytoplankton collecting device comprises a floating frame 1, wherein a transmission rod 2 is vertically arranged in the middle of the floating frame 1, and the transmission rod 2 is detachably connected with a driving motor 3; the floating frame 1 is provided with a collecting device 4, the collecting device 4 comprises a net bag 41, a supporting ring 42 is arranged at the net mouth of the upper end of the net bag 41, and a valve 43 used for opening and closing is arranged at the bottom of the lower end of the net bag. In order to avoid the phytoplankton escaping during the floating process, a funnel-shaped net drum 6 is arranged at the opening of the net bag 41, an annular supporting ring 61 is arranged at the bottom of the net drum 6, and a gravity block 62 is connected below the annular supporting ring 61.

When gathering personnel gather phytoplankton, fix collection system on floating frame, place in water, connect driving motor through the transfer line, and the transfer line has certain length, can go deep into the water with floating frame, it is rotatory at the certain degree of depth district in water to drive floating frame by driving motor, collect the phytoplankton of this position by the pocket and filter, can provide the difference of power time through the adjustment, realize controlling the collection time of phytoplankton in the water, after gathering, remove driving motor, take out the pocket, and open the valve, obtain corresponding phytoplankton.

When in implementation, the floating frame 1 comprises a circular supporting frame 11, a buoyancy outer cover 12 is covered outside the supporting frame 11, a supporting rod 111 is radially arranged on the inner side of the supporting frame 11, a connecting seat 5 is arranged in the middle of the supporting rod 111, and the bottom end of the transmission rod 2 is connected with the supporting rod 111 through the connecting seat 5. The transmission rod is vertically arranged at the center of the annular support frame through the support rod, so that the support frame is more stable in rotation; the outer surface of the support frame is covered with the buoyancy outer cover, so that the support frame can provide buoyancy, and is placed in water, or when the support frame is underwater, the support frame can float on the water surface through the buoyancy, and can be prevented from falling into the water.

In practice, the acquisition device 4 comprises a fixed string 44 connected between the support frame 11 and the support ring 42. The support frame 11 is provided with a fixing ring 12 along the circumferential direction, one end of the fixing rope 44 is connected with the support ring 42, and the other end is connected with the fixing ring 12. The two fixing ropes 44 are provided, one ends of the two fixing ropes 44 are respectively connected with two sides of the supporting ring 42 in the diameter direction, and the fixing ring 12 is correspondingly arranged with the fixing ropes 44. The mesh bag 41 is uniformly distributed along the circumferential direction of the support frame 11, the mesh bag is made of pore-size bolting silk, mesh bag materials and mesh openings can be adjusted according to different phytoplankton types and sizes, scale marks 22 of the transmission rod 2 can be used as references, the approximate depth collected at the moment is observed, the depth of the mesh bag is adjusted, so that the phytoplankton collection with different depths is adapted, the bottom end of the transmission rod and the support rod can be in threaded connection or clamping connection and other modes, so that the length of the transmission rod can be adjusted according to actual needs, and the phytoplankton collection with different depths is adapted. In the specific implementation, the net bottom of the net bag is converged on a vertically arranged pipeline, and a switch valve, a piston and other structures are arranged on the pipeline and used for opening or closing the pipeline.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The phytoplankton collecting device is characterized by comprising a floating frame, wherein a transmission rod is vertically arranged in the middle of the floating frame and is detachably connected with a driving motor; the floating frame is provided with a collecting device, the collecting device comprises a net bag, a supporting ring is arranged at the net mouth of the upper end of the net bag, and a valve used for opening and closing is arranged at the bottom of the lower end of the net bag.

2. The phytoplankton collection device of claim 1, wherein the floating frame comprises a circular supporting frame, a buoyancy housing is covered outside the supporting frame, a supporting rod is arranged on the inner side of the supporting frame along the radial direction, a connecting seat is arranged in the middle of the supporting rod, and the bottom end of the transmission rod is connected with the supporting rod through the connecting seat.

3. The phytoplankton collection device according to claim 2, wherein the connecting base is provided with a jack arranged vertically, a slot in a U shape is arranged at the upper end of the connecting base in a penetrating manner, a latch hook is rotatably arranged on the outer side wall of the connecting base through a rotating shaft, the latch hook is arranged corresponding to the slot, a hook top of the latch hook is provided with an inclined plane arranged obliquely downwards, fixing columns formed by extending along the radial direction are arranged on two sides of the bottom end of the transmission rod, and hook bellies of the latch hook are buckled on the fixing columns.

4. A phytoplankton harvesting device according to claim 2, further comprising a securing line connected between the support frame and the support ring.

5. The phytoplankton harvesting device of claim 4, wherein the support frame is provided with a securing ring along a circumferential direction, one end of the securing rope being connected to the support ring, the other end being connected to the securing ring.

6. The phytoplankton collection device of claim 5, wherein the support ring is provided with two fixing ropes, one ends of the two fixing ropes are respectively connected with two radial sides of the support ring, and the fixing rings are arranged corresponding to the fixing ropes.

7. The phytoplankton harvesting device of claim 6, wherein the mesh bags are uniformly distributed along the circumference of the support frame.

8. A phytoplankton harvesting device according to claim 1, wherein the transmission rod is provided with graduation marks arranged from bottom to top.

9. The phytoplankton collection device according to claim 1, wherein a funnel-shaped net drum is arranged at the opening of the net bag, an annular supporting ring is arranged at the bottom of the net drum, and a gravity block is connected below the annular supporting ring.