CN106769223B - Electromagnetic seawater sampling device - Google Patents
Electromagnetic seawater sampling device Download PDFInfo
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- CN106769223B CN106769223B CN201611181519.XA CN201611181519A CN106769223B CN 106769223 B CN106769223 B CN 106769223B CN 201611181519 A CN201611181519 A CN 201611181519A CN 106769223 B CN106769223 B CN 106769223B
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- sleeve
- sealing cover
- weight
- central shaft
- sampling
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A90/00—Technologies having an indirect contribution to adaptation to climate change
- Y02A90/30—Assessment of water resources
Abstract
The invention relates to the field of seawater sampling, in particular to an electromagnetic seawater sampling device. The automatic sampling device comprises a sampling bottle, and further comprises an automatic sampling mechanism, wherein the sampling bottle comprises an upper sealing cover, a sampling bottle body, a lower sealing cover and a central shaft, the central shaft sequentially penetrates through the centers of the upper sealing cover, the sampling bottle body and the lower sealing cover, the bottom of the lower sealing cover is fixedly connected with the central shaft, the upper sealing cover is connected with the sampling bottle body, the upper sealing cover is slidably connected with the central shaft, the upper sealing cover is positioned above the sampling bottle body, and the lower sealing cover is positioned below the sampling bottle body; the automatic sampling mechanism comprises an electrified coil, a weight, a connecting folding rod, a sleeve and a weight releasing unit, wherein the middle part of the sleeve is fixedly connected with an upper sealing cover, a central shaft is arranged in the sleeve, the sleeve vertically slides along the central shaft, the weight is arranged above the upper sealing cover, the weight vertically slides along the central shaft, a limiting protrusion is arranged at the bottom of the sleeve, and the sleeve is connected with the top of a sampling bottle body through the limiting protrusion. The device has the advantages of simple structure, convenient operation, high sampling precision and high sampling efficiency.
Description
Technical Field
The invention relates to the field of seawater sampling, in particular to an electromagnetic seawater sampling device.
Background
Seawater is mobile and the amount of water available to humans is unlimited. Seawater is a well-known liquid mineral deposit, with an average of 3570 ten thousand tons of minerals per cubic kilometer of seawater, of which 80% are found in the world, of the 100 known elements. Sea water is also a source of fresh water on land and a regulator of climate, the world sea has 450 thousands of cubic kilometers of evaporated fresh water each year, 90% of the evaporated fresh water returns to the sea through rainfall, 10% of the evaporated fresh water changes into rain and snow to fall on the ground, then returns to the sea along rivers, sea water desalination technology is developing into industry, and people expect that the final approach of people to solve water wastelands is likely to be sea water desalination along with ecological environment deterioration.
The water quality sampler is one kind of water quality sample collecting device and has two kinds of artificial water quality sampler and automatic water quality sampler. The cost of the water quality artificial sampler is lower, and the water quality artificial sampler is widely used at present. However, the existing manual water quality sampler is inconvenient to operate when used in the ocean, has poor stability and reliability, low sampling precision and high energy consumption; the existing sampler has limited seawater volume sampled each time, and only seawater at a certain depth can be sampled at one time, so that seawater at various depths cannot be sampled at the same time.
Disclosure of Invention
The invention aims to solve the problems in the prior art and provides an electromagnetic seawater sampling device which is simple in structure, convenient to operate and high in sampling precision and efficiency.
The technical scheme of the invention is as follows: the electromagnetic seawater sampling device comprises a sampling bottle, and further comprises an automatic sampling mechanism, wherein the sampling bottle comprises an upper sealing cover, a sampling bottle body, a lower sealing cover and a central shaft, the central shaft sequentially penetrates through the centers of the upper sealing cover, the sampling bottle body and the lower sealing cover, the bottom of the lower sealing cover is fixedly connected with the central shaft, the upper sealing cover is connected with the sampling bottle body, the upper sealing cover is slidably connected with the central shaft, the upper sealing cover is positioned above the sampling bottle body, and the lower sealing cover is positioned below the sampling bottle body;
the automatic sampling mechanism comprises an electrifying coil, a weight, a connecting folding rod, a sleeve and a weight releasing unit, wherein the middle part of the sleeve is fixedly connected with an upper sealing cover, a central shaft is arranged in the sleeve, the sleeve slides up and down along the central shaft, the weight is arranged above the upper sealing cover, the weight slides up and down along the central shaft, the weight is arranged on the outer side of the sleeve, a fixing plate is arranged between the weight and the sleeve and is fixedly connected with the central shaft, the electrifying coil is connected with the top of the central shaft, the electrifying coil is connected with the weight through electromagnetic force, a limiting bulge is arranged at the bottom of the sleeve, and the sleeve is connected with the top of a sampling bottle body through the limiting bulge;
the connecting folding rod is arranged above the upper sealing cover and comprises a fixing part and a bending part, the bending part is fixedly connected with one end of the fixing part, the bending part is obliquely connected with the fixing part, the connecting folding rod is hinged with the fixing plate, a groove is formed in the sleeve, one end of the fixing part of the connecting folding rod is clamped in the groove, the weight is arranged above the connecting folding rod, the bending part of the connecting folding rod is arranged on the outer side of the weight, and a plurality of connecting folding rods are arranged at intervals along the outer circumferential direction of the sleeve;
the pouring weight releasing unit is arranged on the outer side of the annular surface of the lower sealing cover and is arranged at intervals along the annular outer surface of the lower sealing cover, and the pouring weight releasing unit comprises a rotating plate, a pouring weight hook and a fixed block, wherein the rotating plate and the pouring weight hook are both fixed on the fixed block, the rotating plate is positioned above the pouring weight hook, and the fixed block is fixedly connected with the outer surface of the lower sealing cover.
In the invention, the sleeve comprises an upper sleeve and a lower sleeve, the upper sleeve is arranged above an upper sealing cover, the upper sleeve is fixedly connected with the top surface of the upper sealing cover, the lower sleeve is arranged below the upper sealing cover, the lower sleeve is fixedly connected with the bottom surface of the upper sealing cover, the bottom of the lower sleeve is provided with a limiting bulge, a central shaft is arranged in the upper sleeve and the lower sleeve, the upper sleeve and the lower sleeve slide up and down along the central shaft, a weight is arranged on the outer side of the upper sleeve, a fixed plate is arranged between the weight and the upper sleeve, a groove is arranged on the upper sleeve, and a plurality of connecting folding rods are arranged at intervals along the outer circumferential direction of the upper sleeve.
The connecting folding rod is connected with the torsion spring, wherein the middle part of the torsion spring is sleeved on the shaft fixedly connected with the fixing plate, the upper end of the torsion spring is connected with the connecting folding rod, and the lower end of the torsion spring is connected with the upper sleeve. The angle and the position of the connecting folding rod are fixed by arranging the torsion spring, and the automatic resetting of the upper sleeve and the connecting folding rod after the seawater sampling work is completed is also realized.
The automatic sampling mechanism further comprises a fixing sleeve, the fixing sleeve is arranged at the top of the sampling bottle body, the fixing sleeve is arranged at the bottom of the lower sleeve, a connecting ring is fixed on the inner surface of the fixing sleeve, the fixing sleeve is connected with the lower sleeve through the connecting ring, the connecting ring comprises an outer ring, a connecting rod and an inner ring, the outer ring is fixedly connected with the inner ring through a plurality of connecting rods, the outer ring is fixedly connected with the inner surface of the fixing sleeve, the lower sleeve is arranged in the inner ring, a limiting bulge is located below the inner ring, the size of the inner ring is smaller than that of the limiting bulge, and the connecting ring is clamped above the limiting bulge, so that the connection of the lower sleeve and the sampling bottle body is realized.
The rotating block comprises a free end and a limiting end, the free end is fixedly connected with the limiting end, the fixed connection part of the free end is rotationally connected with the fixed block through a rotating shaft I, a torsion spring is arranged at the rotating shaft I, the free end faces towards the lower sealing cover, the free end is positioned right below the sampling bottle body, and the limiting end is in contact with the weight hook; the weight hook comprises a hook body, the hook body is rotationally connected with a fixed block through a rotating shaft II, the top of the hook body is provided with a limiting bulge, the limiting end of the rotating block is arranged on the outer side of the limiting bulge, one side of the bottom of the hook body, which faces towards a lower sealing cover, is provided with a hook for hanging a weight, the hook tip of the hook faces towards the outer side, and a torsion spring is arranged at the position of the rotating shaft II.
The contact position of the upper sealing cover and the sampling bottle body is provided with a sealing element, and the contact position of the lower sealing cover and the sampling bottle body is provided with a sealing element. Through setting up the sealing member, can guarantee that the seawater can not follow in the sample bottle after the seawater gets into the sample bottle.
The direction of the bending part of the connecting folded plate is upward. The pouring weight descends to drive the connecting folded plate to rotate, and in the rotating process, after the pouring weight descends to a certain height, the pouring weight stops descending under the combined action of the bending part and the fixing part. A pull rope is fixed in the central shaft. After the electromagnetic seawater sampling device finishes sampling, the electromagnetic seawater sampling device is taken out of the seawater through the pull rope.
The invention has the beneficial effects that: the electromagnetic seawater sampling device is simple to operate, low in required energy consumption, good in operation stability and high in sampling precision, and the electromagnetic coil greatly improves the operation accuracy of the sampling device. .
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic diagram of the structure of an automatic sampling mechanism;
fig. 3 is a partial enlarged view of the weight release unit;
fig. 4 is a front view of the connecting ring.
In the figure: 1, a sleeve is arranged on the upper part; 101 grooves; 2, connecting a folding rod; 3, a torsion spring; 4, upper sealing cover; 5, fixing the sleeve; a 6 connecting ring; 601 an outer ring; 602 a connecting rod; 603 an inner ring; 7, sampling the bottle body; 8, closing the cover; 9, rotating the plate; 901 a free end; 902 limit end; 10 weight hooks; 1001 limit protrusions; 1002 a hook; 11 fixing blocks; 12 lower sleeve; 1201 limit protrusions; 13 fixing plates; 14 weight blocks; 15 central axis; 16 rotating shafts I; 17 a rotating shaft II; 18 energizing the coil.
Detailed Description
The invention is further described below with reference to the drawings and examples.
The electromagnetic seawater sampling device disclosed by the invention is shown in fig. 1, and comprises an automatic sampling mechanism and a sampling bottle, wherein the sampling bottle comprises an upper sealing cover 4, a sampling bottle body 7, a lower sealing cover 8 and a central shaft 15, the central shaft 15 sequentially penetrates through the centers of the upper sealing cover, the sampling bottle body and the lower sealing cover, the lower sealing cover 8 is fixedly connected with the bottom of the central shaft 15, the upper sealing cover 4 is in sliding connection with the central shaft 15, and the upper sealing cover 4 can slide up and down along the central shaft 15. The upper sealing cover 4 is located above the sampling bottle body 7, the lower sealing cover 8 is located below the sampling bottle body 7, a sealing element is arranged at the contact position of the upper sealing cover 4 and the sampling bottle body 7, and a sealing element is arranged at the contact position of the lower sealing cover 8 and the sampling bottle body 7. By arranging the sealing element, the seawater can be prevented from flowing out of the sampling bottle after entering the sampling bottle body 7. A pull rope is fixed in the central shaft 15, and after the electromagnetic seawater sampling device finishes sampling, the electromagnetic seawater sampling device is taken out of the seawater through the pull rope.
As shown in fig. 1 and 2, the automatic sampling mechanism comprises an energizing coil 18, a weight 14, a connecting folding rod 2, a sleeve, a fixing sleeve 5 and a weight releasing unit, wherein the upper cover 4 is fixedly connected with the middle part of the sleeve, the sleeve comprises a lower sleeve 12 and an upper sleeve 1, the upper sleeve 1 is arranged above the upper cover 4, the upper sleeve 1 is fixedly connected with the upper cover 4, the lower sleeve 12 is arranged below the upper cover 4, the lower sleeve 12 is fixedly connected with the lower cover 4, the upper sleeve 1 and the lower sleeve 12 are coaxial with a central shaft 15, the central shaft 15 is arranged in the upper sleeve 1 and the lower sleeve 12, and the upper sleeve 1 and the lower sleeve 12 slide up and down along the central shaft 15. The upper sealing cover 4 is provided with a weight 14 above, the weight 14 slides up and down along a central shaft 15, the weight 14 is arranged on the outer side of the upper sleeve 12, a fixed plate 13 is arranged between the weight 14 and the upper sleeve 12, and the fixed plate 13 is fixedly connected with the central shaft 15. The energizing coil 18 is connected to the top of the center shaft 15, and as shown in fig. 1, the energizing coil 18 is charged, the energizing coil 18 generates a magnetic field, and the energizing coil 18 is connected to the weight 14 by electromagnetic attraction. When the power coil 18 is powered off, the electromagnetic field disappears, the electromagnetic attraction force between the power coil 18 and the weight 14 is lost, and the weight 14 moves downwards along the central axis under the action of gravity.
The connecting folding rod 2 comprises a fixing part and a bending part, the bending part is fixedly connected with one end of the fixing part, a certain angle is formed between the bending part and the fixing part, and the fixing part is hinged with the fixing plate 13 through a rotating shaft, so that the connecting folding rod 2 rotates. The connecting folding rod 2 is connected with the torsion spring 3, wherein the middle part of the torsion spring 3 is sleeved on a shaft fixedly connected with the fixed plate 13, the upper end of the torsion spring 3 is connected with the connecting folding rod 2, the lower end is connected with the upper sleeve 1, and the torsion spring 3 is in an untwisted state as shown in fig. 2. The upper sleeve 1 is provided with a groove 101, the free end of the fixing part of the connecting folding rod 2 is clamped in the groove 101, so that the position of the upper sleeve 12 is fixed, the bending part of the connecting folding rod is arranged on the outer side of the weight 14, and the weight 14 is positioned above the connecting folding rod 2. In the present invention, a plurality of connecting folding bars 2 are provided at intervals along the outer circumferential direction of the upper sleeve 12, and two connecting folding bars are provided in this embodiment. When the weight 14 is lowered onto the connection folding bar 2, the connection folding bar 2 is rotated along the rotation axis, so that one end of the fixing portion of the connection folding bar 2 is separated from the groove 101, and the upper sleeve 1, the upper cover 4, and the lower sleeve 12 are lowered by gravity. The direction of the bending part on the connecting folding rod 2 is upward, the weight 14 can be limited by arranging the bending part, and when the weight 14 descends to a certain height, the weight 14 stops descending by the joint action of the bending part and the fixing part through the rotation of the connecting folding rod 2.
The connecting folding rod 2 rotates and simultaneously presses the torsion spring 3, and the torsion spring 3 is pulled in the descending process of the upper sleeve 12, so that the torsion spring 3 has tightening force. After the weight 14 leaves the connecting folding rod 2, under the action of the torsion force in the torsion spring 3, the connecting folding rod, the upper sleeve, the upper sealing cover and the lower sleeve are automatically reset, and one end of the connecting folding rod is clamped in the groove of the upper sleeve again, so that the positions of the upper sleeve and the upper sealing cover are fixed. The sampling device is shown in fig. 1 in an inactive state, in which the upper sleeve and upper closure are fixed in position by the connecting flap 2.
The fixed cover 5 is fixed at the top of sample bottle 7, and fixed cover 5 sets up in the bottom of lower sleeve 12, and the inboard of fixed cover 5 is fixed with go-between 6, is connected through go-between 6 between fixed cover 5 and the lower sleeve 12, and the bottom of lower sleeve 12 is equipped with spacing arch 1201, and go-between 6 is connected with lower sleeve 12 through spacing arch 1201. As shown in fig. 3, the connecting ring 6 includes an outer ring 601, a connecting rod 602, and an inner ring 603, where the outer ring 601 and the inner ring 603 are fixedly connected by a plurality of connecting rods 602, the outer ring 601 is fixedly connected with the inner surface of the fixed sleeve 5, the lower sleeve 12 is disposed in the inner ring 603, the limiting protrusion 101 is located below the inner ring 303, the diameter of the inner ring 603 is smaller than the size of the limiting protrusion 1201, and the connecting ring 6 is clamped above the limiting protrusion 1201, so that the connection between the sampling bottle 7 and the lower sleeve 12 and the upper cover 4 is realized, and the position of the sampling bottle 7 is fixed due to the fixed positions of the upper sleeve 12 and the upper cover 4, and the non-closed state between the sampling bottle 7 and the lower cover 8 is realized.
As shown in fig. 1, the weight release units are disposed outside the annular surface of the lower cover 8 and are spaced apart along the annular outer surface of the lower cover, in this embodiment two weight release units are disposed. The weight release unit comprises a rotating plate 9, a weight hook 10 and a fixed block 11, wherein the rotating plate 9 and the weight hook 10 are both fixed on the fixed block 11, and the fixed block 11 is fixedly connected with the annular outer surface of the lower sealing cover 8. As shown in fig. 3, the rotating plate 9 is located above the weight hook 10, the rotating block 9 includes a free end 901 and a limiting end 902, the free end 901 and the limiting end 902 are fixedly connected, the fixed connection part of the rotating block is rotationally connected with the fixed block 11 through a rotating shaft i 16, a torsion spring is arranged at the rotating shaft i 16, the torsion spring is in a non-twisted state as shown in fig. 1, the free end 901 faces the lower cover 8, the free end 901 is located under the sampling bottle 7, when the sampling bottle 7 descends, the outer side of the bottle contacts with the end of the free end 901 and drives the free end 901 to descend, so that the rotating plate 9 rotates, and the limiting end 902 contacts with the weight hook 10. The weight hook 10 comprises a hook body, the hook body is rotationally connected with the fixed block 11 through a rotating shaft II 17, a limiting protrusion 1001 is arranged at the top of the hook body, a limiting end 902 of the rotating block 9 is arranged on the outer side of the limiting protrusion 1001, a hook 1002 is arranged on one side, facing the lower sealing cover 8, of the bottom of the hook body, a hook tip of the hook 1002 faces the outer side, and the hook 1002 is used for hanging weights. The torsion spring is also arranged at the rotating shaft II 17, and is in a torsion state as shown in fig. 1, and the torsion spring has torsion force at the moment.
The working process of the electromagnetic seawater sampling device is as follows: the non-working state of the sampling device is shown in fig. 1, at this time, the energizing coil 18 is energized, the energizing coil 18 generates an electromagnetic field, the electromagnetic attraction force of the counterweight 14 is greater than the gravity of the counterweight 15, therefore, the energizing coil 18 is connected with the counterweight 14, one end of the rotating folded plate 2 is clamped in the groove 101, so that the position of the upper sleeve 1 is fixed, at this time, the upper cover 4 is located above the sampling bottle 7, the lower cover 8 is located below the sampling bottle 7, and the sampling bottle is in an opened state. The device is placed at a designated depth in seawater, and the sampling bottle body is always filled with seawater inside and outside due to the fact that the sampling bottle is in an open state. When sampling starts, the power-on coil 18 is powered off, the electromagnetic attraction force to the weight 14 disappears, the weight 14 moves downwards along the central axis under the action of gravity, downward pressure is applied to the rotating folded plate 2, so that the rotating folded plate 2 rotates, one end of the fixing part of the rotating folded plate 2 leaves the groove 101 of the upper sleeve, the upper sealing cover 4 and the lower sleeve 12 descend along the central axis under the action of gravity, in the descending process of the lower sleeve 12, the limiting boss 1201 at the bottom of the lower sleeve 12 leaves the connecting ring 6, at the moment, the limiting bottle 7 does not receive any limiting effect, under the action of gravity, the sampling bottle 7 descends, when the sampling bottle 7 descends onto the lower sealing cover 8, the sampling bottle 7 stops to continue descending, and the upper sealing cover 4 descends onto the fixing sleeve 5 and stops moving. During the descent of the sampling bottle 7 and the upper cover 4, seawater is sampled and sealed in the sampling bottle 7. Meanwhile, in the descending process of the sampling bottle body 7, the bottom of the sampling bottle body 7 is in contact with the free end 901 of the rotating plate 9, and the free end 901 is pressed to move downwards, so that the rotating plate 9 rotates along the rotating shaft I16, the limiting end 902 of the rotating plate 9 leaves the limiting boss 1001 in the rotating process, the weight hook 10 rotates anticlockwise under the action of the torsion force of the torsion spring at the position of the rotating shaft II 17, the weight hook 10 rotates and drives the hook 1002 at one end to rotate, and when the hook rotates to the downward hook tip, a weight hung on the hook 1002 falls off, so that the release of the weight is realized.
Claims (8)
1. An electromagnetic seawater sampling device, includes the sample bottle, its characterized in that: the automatic sampling device is characterized by further comprising an automatic sampling mechanism, wherein the sampling bottle comprises an upper sealing cover (4), a sampling bottle body (7), a lower sealing cover (8) and a central shaft (15), the central shaft (15) sequentially penetrates through the centers of the upper sealing cover, the sampling bottle body and the lower sealing cover, the bottom of the lower sealing cover (8) is fixedly connected with the central shaft (15), the upper sealing cover (4) is connected with the sampling bottle body (7), the upper sealing cover (4) is slidably connected with the central shaft (15), the upper sealing cover (4) is positioned above the sampling bottle body (7), and the lower sealing cover (8) is positioned below the sampling bottle body (7);
the automatic sampling mechanism comprises an electrifying coil (18), a weight (14), a connecting folding rod (2), a sleeve and a weight releasing unit, wherein the middle part of the sleeve is fixedly connected with an upper sealing cover, a central shaft (15) is arranged in the sleeve, the sleeve slides up and down along the central shaft, the weight (14) is arranged above the upper sealing cover (4), the weight (14) slides up and down along the central shaft (15), the weight (14) is arranged outside the sleeve, a fixing plate (13) is arranged between the weight (14) and the sleeve, the fixing plate (13) is fixedly connected with the central shaft (15), the electrifying coil (18) is connected with the top of the central shaft (15), the electrifying coil (18) is connected with the weight (14) through electromagnetic force, a limit bulge is arranged at the bottom of the sleeve, and the sleeve is connected with the top of a sampling bottle body through the limit bulge;
the connecting folding rod (2) is arranged above the upper sealing cover (4) and comprises a fixing part and a bending part, the bending part is fixedly connected with one end of the fixing part and is obliquely connected with the fixing part, the connecting folding rod (2) is hinged with the fixing plate (13), a groove (101) is formed in the upper sleeve (1), one end of the fixing part of the connecting folding rod (2) is clamped in the groove (101), the weight (14) is arranged above the connecting folding rod (2), the bending part of the connecting folding rod is arranged on the outer side of the weight (14), and a plurality of connecting folding rods (2) are arranged at intervals along the outer circumferential direction of the upper sleeve (12);
the weight release unit is arranged on the outer side of the annular surface of the lower sealing cover (8) and is arranged at intervals along the annular outer surface of the lower sealing cover, the weight release unit comprises a rotating plate (9), a weight hook (10) and a fixed block (11), the rotating plate (9) and the weight hook (10) are both fixed on the fixed block (11), the rotating plate (9) is located above the weight hook (10), and the fixed block (11) is fixedly connected with the outer surface of the lower sealing cover (8).
2. The electromagnetic seawater sampling device of claim 1, wherein: the sleeve comprises an upper sleeve (1) and a lower sleeve (12), wherein the upper sleeve is arranged above an upper sealing cover, the upper sleeve (1) is fixedly connected with the top surface of the upper sealing cover (4), the lower sleeve is arranged below the upper sealing cover, the lower sleeve (12) is fixedly connected with the bottom surface of the upper sealing cover (4), a limiting boss (1201) is arranged at the bottom of the lower sleeve (12), a central shaft (15) is arranged in the upper sleeve (1) and the lower sleeve (12), the upper sleeve (1) and the lower sleeve (12) slide up and down along the central shaft (15), a weight (14) is arranged outside the upper sleeve (1), a fixing plate (13) is arranged between the weight (14) and the upper sleeve (1), a groove (101) is formed in the upper sleeve (1), and a plurality of connecting folding rods (2) are arranged along the outer circumferential direction of the upper sleeve (12) at intervals.
3. The electromagnetic seawater sampling device of claim 1, wherein: the connecting folding rod (2) is connected with the torsion spring (3), wherein the middle part of the torsion spring (3) is sleeved on a shaft fixedly connected with the fixed plate (13), the upper end of the torsion spring (3) is connected with the connecting folding rod (2), and the lower end of the torsion spring (3) is connected with the upper sleeve (1).
4. The electromagnetic seawater sampling device of claim 2, wherein: automatic sampling mechanism still includes fixed cover (5), and fixed cover (5) set up the top at sample bottle (7), and fixed cover (5) set up the bottom at lower sleeve (12), and the internal surface of fixed cover (5) is fixed with go-between (6) between fixed cover (5) and lower sleeve (12), be connected through go-between (6), go-between (6) including outer loop (601), connecting rod (602) and inner ring (603), through several connecting rod (602) fixed connection between outer loop (601) and inner ring (603), the internal surface fixed connection of outer loop (601) and fixed cover (5), lower sleeve (12) set up in inner ring (603), and spacing arch (101) set up the below at inner ring (603), and the size of inner ring (603) is less than the size of spacing arch (1201), and go-between (6) card is in the top of spacing arch (1201), has realized down the sleeve and has been connected with the sample bottle.
5. The electromagnetic seawater sampling device of claim 1, wherein: the rotating block (9) comprises a free end (901) and a limiting end (902), the free end (901) is fixedly connected with the limiting end (902), the fixed connection part of the free end is rotationally connected with the fixed block (11) through a rotating shaft I (16), a torsion spring is arranged at the rotating shaft I (16), the free end (901) faces towards the lower sealing cover (8), the free end (901) is positioned under the sampling bottle body (7), and the limiting end (902) is in contact with the weight hook (10); the weight hook (10) comprises a hook body, the hook body is rotationally connected with a fixed block (11) through a rotating shaft II (17), a limiting protrusion (1001) is arranged at the top of the hook body, a limiting end (902) of a rotating block (9) is arranged on the outer side of the limiting protrusion (1001), a hook (1002) for hanging a weight is arranged at one side, facing the lower sealing cover (8), of the bottom of the hook body, a hook tip of the hook (1002) faces the outer side, and a torsion spring is arranged at the position of the rotating shaft II (17).
6. The electromagnetic seawater sampling device of claim 2, wherein: the contact part of the upper sealing cover (4) and the sampling bottle body (7) is provided with a sealing element, and the contact part of the lower sealing cover (8) and the sampling bottle body (7) is provided with a sealing element.
7. The electromagnetic seawater sampling device of claim 1, wherein: a pull rope is fixed in the central shaft (15).
8. The electromagnetic seawater sampling device of claim 1, wherein: the bending part of the connecting folded plate (2) faces upwards.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181519.XA CN106769223B (en) | 2016-12-20 | 2016-12-20 | Electromagnetic seawater sampling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611181519.XA CN106769223B (en) | 2016-12-20 | 2016-12-20 | Electromagnetic seawater sampling device |
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| Publication Number | Publication Date |
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| CN106769223A CN106769223A (en) | 2017-05-31 |
| CN106769223B true CN106769223B (en) | 2023-05-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611181519.XA Active CN106769223B (en) | 2016-12-20 | 2016-12-20 | Electromagnetic seawater sampling device |
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| CN112337642A (en) * | 2020-09-14 | 2021-02-09 | 哈尔滨理工大学 | Electromagnetic type iron concentrate powder sampling and information acquisition device |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB913056A (en) * | 1958-06-12 | 1962-12-19 | Nat Res Dev | Improvements in devices for sampling liquids at a depth below the surface |
| CN203324053U (en) * | 2013-06-27 | 2013-12-04 | 深圳市联创电器实业有限公司 | Portable air detecting and sampling device |
| CN205300986U (en) * | 2016-01-10 | 2016-06-08 | 袁洛薇 | Water quality sampler |
| CN106053139A (en) * | 2016-07-24 | 2016-10-26 | 中国科学院合肥物质科学研究院 | Multilayer water sample continuous and automatic acquisition type deepwater sampling device |
-
2016
- 2016-12-20 CN CN201611181519.XA patent/CN106769223B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB913056A (en) * | 1958-06-12 | 1962-12-19 | Nat Res Dev | Improvements in devices for sampling liquids at a depth below the surface |
| CN203324053U (en) * | 2013-06-27 | 2013-12-04 | 深圳市联创电器实业有限公司 | Portable air detecting and sampling device |
| CN205300986U (en) * | 2016-01-10 | 2016-06-08 | 袁洛薇 | Water quality sampler |
| CN106053139A (en) * | 2016-07-24 | 2016-10-26 | 中国科学院合肥物质科学研究院 | Multilayer water sample continuous and automatic acquisition type deepwater sampling device |
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| CN106769223A (en) | 2017-05-31 |
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