Equal-part sampling device for plankton

Abstract

The utility model relates to the technical field of experimental equipment, in particular to an equal-part sampling device for plankton, which comprises an incubator, a plurality of supporting blocks are fixedly connected to the side wall of the incubator, and sliding cylinders are fixedly connected to the side walls of the supporting blocks. The sampling device is driven by the lifting structure to ascend, so that plankton samples are taken out in sections, manual contact with the plankton samples is not needed, bacteria and microorganisms carried in hands are prevented from entering the samples, the plankton samples are prevented from being polluted, plankton in the culture box is stirred by the stirring structure, and the sampling efficiency is improved. The floating samples are uniformly distributed, so that the influence on the calculation of experimental results due to possible difference of the quantity of each sample caused by directly taking out the floating samples in sections is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to experimental equipment technical field especially, relates to a equal aliquot sampling device for plankton. BACKGROUND

[0002] Plankton is the main primary producer in the ocean, not only provides food for the higher trophic level organism, also participates in a variety of marine chemical processes, at present, there are many experiments, in the study of its biomass, abundance and the relationship with environmental factors, aims to provide theoretical support for prompting fish migration route, indicating environmental pollution degree etc.

[0003] At present, when counting plankton samples in the laboratory, usually through artificial taking a portion of plankton sample to count, but the number of plankton in the complete portion of plankton sample is very large, and the observer will take a long time and great effort to count all the samples, greatly reduces the work efficiency, if segmented sampling, the number of plankton taken each time may be different, thereby affecting the calculation of experimental results, and directly contacting the sample with hand may lead to the bacteria or microorganism carried into the sample, thereby polluting the sample, resulting in the sample cannot be used. UTILITY MODEL CONTENT

[0004] In order to realize the above purpose, the utility model adopts the following technical scheme:

[0005] A equal aliquot sampling device for plankton, comprising:

[0006] The incubator is fixedly connected with a plurality of supporting blocks on the side wall, and a plurality of supporting blocks are fixedly connected with sliding cylinders on the side wall;

[0007] The incubator is provided with a lifting structure, the lifting structure comprises a sliding rod fixedly and slidably connected to the inner side of the sliding cylinder, the sliding rod is connected with a cover plate on the upper side, the incubator is fixedly provided with a control motor on the lower side, the output end of the control motor is fixedly provided with a driving shaft, the incubator is rotatably connected with a threaded rod, the threaded rod and the outer side of the driving shaft are fixedly provided with bevel gears, and the bevel gears are meshed with each other, the outer side of the threaded rod is threadedly connected with a moving rod, the moving rod is fixedly connected with the cover plate, the upper end of the threaded rod is fixedly connected with an extension rod, the top end of the extension rod is rotatably connected with the cover plate, the lower side of the cover plate is fixedly connected with three connecting shafts, and the outer side of the three connecting shafts is fixedly connected with a clamping ring.

[0008] Preferably, a stirring structure is installed on the cover plate, the stirring structure comprises a spur gear I rotatably connected to the top end of the extension rod, two rotating shafts are rotatably connected to the upper side of the cover plate, spur gears II are fixedly sleeved to the outer sides of the rotating shafts, and the spur gears II are mutually engaged, the spur gear I and one of the spur gears II are mutually engaged, a gear ring I is rotatably connected to the side wall of the cover plate, the other spur gear II and the gear ring I are mutually engaged, four rotating shafts are rotatably connected to the side wall of the gear ring I, spur gears III are fixedly sleeved to the upper sides of the four rotating shafts, a gear ring II is fixedly connected to the upper side of the cover plate, the spur gears III and the gear ring II are engaged, a plurality of rotating discs are fixedly sleeved to the outer sides of the rotating shafts, and a plurality of stirring plates are fixedly connected to the side walls of the rotating discs.

[0009] Preferably, a knob is rotatably connected to the side wall of the clamping ring.

[0010] Preferably, a plurality of supporting columns are fixedly connected to the lower side of the incubator.

[0011] Preferably, two lifting lugs are fixedly connected to the upper side of the cover plate.

[0012] Preferably, an oxygen generator is fixedly installed on the side wall of the incubator.

[0013] Compared with the prior art, the incubator has the beneficial effects that:

[0014] 1、In the incubator, the sampling device is driven to ascend by the lifting structure, so that the plankton sample is segmented and taken out, manual contact with the plankton sample is no longer needed, the bacteria and microorganisms carried by hands are reduced to enter the sample, the plankton sample is prevented from being contaminated, and the sample that has not been taken out can continue to be protected and cultured in the incubator, so that the incubator is convenient for continuous use next time.

[0015] 2、In the incubator, the plankton in the incubator is stirred by the stirring structure, so that the plankton is uniformly distributed, the staff no longer needs to directly check all the samples for counting, the workload is reduced, and the number of each sample caused by direct segmented taking of the plankton sample is prevented from being different, so as to affect the calculation of the experimental result, the whole process is relatively intelligent and time-saving and labor-saving, and the working efficiency is greatly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a perspective structural schematic view of the equal-portion sampling device for plankton proposed in the utility model;

[0017] Figure 2 It is a perspective structural bottom view of the equal-portion sampling device for plankton proposed in the utility model;

[0018] Figure 3The utility model provides a lifting structure schematic drawing of equal aliquot sampling device for plankton is provided.

[0019] Figure 4 The utility model provides an internal structure schematic drawing of equal aliquot sampling device for plankton is provided.

[0020] Figure 5 The utility model provides a cover plate's stereoscopic structure sectional view of equal aliquot sampling device for plankton is provided.

[0021] Figure 6 The utility model provides a stirring structure schematic drawing of equal aliquot sampling device for plankton.

[0022] In the drawing: 1 incubator, 2 support block, 3 slide cylinder, 4 slide rod, 5 cover plate, 6 control motor, 7 drive shaft, 8 threaded rod, 9 bevel gear, 10 extension rod, 11 connecting shaft, 12 clamping ring, 13 straight gear one, 14 rotating shaft, 15 straight gear two, 16 gear ring one, 17 rotating shaft, 18 straight gear three, 19 gear ring two, 20 rotating disc, 21 stirring plate, 22 knob, 23 support column, 24 lifting lug, 25 oxygen generator, 26 moving rod. DETAILED DESCRIPTION

[0023] Referring to Figures 1-6 An equal aliquot sampling device for plankton comprises:

[0024] The incubator 1 is fixedly connected with a plurality of support columns 23 at the lower side, the support columns 23 can support the incubator 1, the incubator 1 is fixedly installed with an oxygen generator 25 on the side wall, the main principle of the oxygen generator 25 is to separate oxygen from other gases in air by using air separation technology through physical or chemical methods, thereby obtaining high-concentration oxygen, the oxygen is further purified to remove impurities and microorganisms, thereby obtaining high-purity oxygen, this is prior art and will not be described in detail, the incubator 1 is fixedly connected with a plurality of support blocks 2 on the side wall, and the plurality of support blocks 2 are fixedly connected with slide cylinders 3 on the side wall.

[0025] The lifting structure is arranged on the incubator 1, and the lifting structure comprises a sliding rod 4 fixedly and slidably connected to the inner side of the sliding cylinder 3. The upper side of the sliding rod 4 is connected with a cover plate 5. The upper side of the cover plate 5 is fixedly connected with two lifting lugs 24. The lifting lugs 24 facilitate the incubator 1 to be moved and lifted. The incubator 1 is fixedly provided with a control motor 6 at the lower side. The output end of the control motor 6 is fixedly provided with a driving shaft 7. A threaded rod 8 is rotatably connected in the incubator 1. The outer side of the threaded rod 8 and the outer side of the driving shaft 7 are fixedly sleeved with bevel gears 9. The bevel gears 9 are in mesh with each other. The outer side of the threaded rod 8 is threadedly connected with a moving rod 26. The moving rod 26 is fixedly connected with the cover plate 5. The moving rod 26 is a hollow rod at the upper side. The upper end of the threaded rod 8 is fixedly connected with an extension rod 10. The extension rod 10 is an extendable rod formed by a plurality of rods slidably connected. The top end of the extension rod 10 is rotatably connected with the cover plate 5. The top end of the extension rod 10 protrudes and does not affect the contraction movement of the extension rod 10. The lower side of the cover plate 5 is fixedly connected with three connecting shafts 11. The outer side of the three connecting shafts 11 is fixedly connected with clamping rings 12. The side wall of the clamping ring 12 is rotatably connected with knobs 22. The clamping ring 12 can be fixed by tightening the knob 22 to clamp the sampling cup. The sampling cup is prevented from falling off and needs to be fished out. The fishing work may affect the plankton sample and cause damage to the sample.

[0026] The cover plate 5 is provided with a stirring structure. The stirring structure comprises a spur gear one 13 rotatably connected to the top end of the extension rod 10. The spur gear one 13 is arranged on the part of the extension rod 10 that cannot be retracted into the cover plate 5 and does not affect the overall movement of the extension rod 10. The upper side of the cover plate 5 is rotatably connected with two rotating shafts 14. The outer side of the rotating shaft 14 is fixedly sleeved with a spur gear two 15. The spur gear two 15 is in mesh with each other. The spur gear one 13 is in mesh with one of the spur gear two 15. The side wall of the cover plate 5 is rotatably connected with a gear ring one 16. The other spur gear two 15 is in mesh with the gear ring one 16. The side wall of the gear ring one 16 is rotatably connected with four rotating shafts 17. The upper side of the four rotating shafts 17 is fixedly sleeved with a spur gear three 18. The upper side of the cover plate 5 is fixedly connected with a gear ring two 19. The spur gear three 18 is in mesh with the gear ring two 19. The outer side of the rotating shaft 17 is fixedly sleeved with a plurality of rotating discs 20. The side wall of the plurality of rotating discs 20 is fixedly connected with a plurality of stirring plates 21. The rotation of the stirring plate 21 can drive the liquid in the incubator 1 to rotate uniformly.

[0027] The utility model discloses, first, the sampling cup is put into to the clamping ring 12 by detection personnel, is locked through the screwing knob 22, then is opened control motor 6 through, control motor 6 drives driving shaft 7 rotation, driving shaft 7 is driven screw rod 8 rotation through bevel gear 9, and the screw rod 8 rotation is driven cover plate 5 to move down through moving rod 26, and the cover plate 5 is restricted through the sliding of slide rod 4 in slide cylinder 3, to make the sampling cup can enter incubator 1 and carry out sampling, and the operation is repeated when taking out, can not need manual contact plankton sample any more, reduce the bacteria and microorganism of carrying in hand to enter sample, avoid plankton sample to be contaminated, and the sample that has not taken out can continue to protect and cultivate in incubator 1, to make the next use conveniently, at the same time, when screw rod 8 rotates, screw rod 8 drives extension rod 10 rotation to make spur gear no. 1 13 rotate, and spur gear no. 1 13 is driven gear ring no. 1 16 rotation through two spur gear no. 2 15, and gear ring no. 1 16 rotation drives rotating shaft 17 rotation, to make rotating shaft 17 do circular motion, and when rotating shaft 17 do circular motion through spur gear no. 3 18 and gear ring no. 2 19 make it itself also can carry out autorotation, and rotating shaft 17 autorotation is driven stirring plate 21 rotation through turntable 20, and then plankton sample is stirred, makes it evenly distributed, and staff need not check all sample directly and count, reduce the workload, also avoid the number of each sample possibly different caused by the direct segmented taking out plankton sample, to influence the calculation of experimental result.

Claims

1. An aliquot sampling device for phytoplankton comprising a culture box (1), characterized in that, The incubator (1) is fixedly connected with a plurality of support blocks (2) on the side wall, and a plurality of the support blocks (2) are fixedly connected with slide cylinders (3) on the side wall; The incubator (1) is provided with a lifting structure, the lifting structure comprises a slide rod (4) fixedly and slidably connected to the inner side of the slide cylinder (3), the slide rod (4) is connected with a cover plate (5) on the upper side, the incubator (1) is fixedly provided with a control motor (6) on the lower side, the output end of the control motor (6) is fixedly provided with a drive shaft (7), the incubator (1) is rotatably connected with a threaded rod (8), the threaded rod (8) and the outer side of the drive shaft (7) are fixedly sleeved with bevel gears (9), and the bevel gears (9) are meshed with each other, the outer side of the threaded rod (8) is threadedly connected with a moving rod (26), the moving rod (26) is fixedly connected with the cover plate (5), the upper end of the threaded rod (8) is fixedly connected with an extension rod (10), the top end of the extension rod (10) is rotatably connected with the cover plate (5), and the lower side of the cover plate (5) is fixedly connected with three connecting shafts (11), the outer side of each of the three connecting shafts (11) is fixedly connected with a clamping ring (12).

2. An apparatus for aliquoting samples of phytoplankton according to claim 1, wherein, The cover plate (5) is provided with a stirring structure, the stirring structure comprises a spur gear one (13) rotatably connected to the top end of the extension rod (10), the cover plate (5) is rotatably connected with two rotating shafts (14) on the upper side, the outer side of each of the rotating shafts (14) is fixedly sleeved with a spur gear two (15), and the spur gear two (15) is meshed with each other, the spur gear one (13) is meshed with one of the spur gear two (15), the cover plate (5) is rotatably connected with a gear ring one (16) on the side wall, the other spur gear two (15) is meshed with the gear ring one (16), the side wall of the gear ring one (16) is rotatably connected with four rotating shafts (17), the outer side of each of the four rotating shafts (17) is fixedly sleeved with a spur gear three (18), the upper side of the cover plate (5) is fixedly connected with a gear ring two (19), the spur gear three (18) is meshed with the gear ring two (19), the outer side of the rotating shaft (17) is fixedly sleeved with a plurality of rotating discs (20), and the side wall of each of the plurality of rotating discs (20) is fixedly connected with a plurality of stirring plates (21).

3. An apparatus for aliquoting samples of phytoplankton according to claim 1, wherein, The side wall of the clamping ring (12) is rotatably connected with a knob (22).

4. An apparatus for aliquoting samples of phytoplankton according to claim 1, wherein, The lower side of the incubator (1) is fixedly connected with a plurality of support columns (23).

5. An apparatus for aliquoting samples of phytoplankton according to claim 1, wherein, The upper side of the cover plate (5) is fixedly connected with two lifting lugs (24).

6. An apparatus for aliquoting samples of phytoplankton according to claim 1, wherein, The side wall of the incubator (1) is fixedly provided with an oxygen generator (25). The lower side of the incubator (1) is fixedly connected with a plurality of support columns (23).

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