CN114964921B - Layering water sample normal position collection system - Google Patents
Layering water sample normal position collection system Download PDFInfo
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- CN114964921B CN114964921B CN202210774294.8A CN202210774294A CN114964921B CN 114964921 B CN114964921 B CN 114964921B CN 202210774294 A CN202210774294 A CN 202210774294A CN 114964921 B CN114964921 B CN 114964921B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 57
- 238000005070 sampling Methods 0.000 claims abstract description 105
- 238000011065 in-situ storage Methods 0.000 claims abstract description 14
- 238000004804 winding Methods 0.000 claims description 15
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000005096 rolling process Methods 0.000 claims 1
- 108010066114 cabin-2 Proteins 0.000 description 12
- 238000000034 method Methods 0.000 description 8
- 230000006978 adaptation Effects 0.000 description 2
- 238000012937 correction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
Classifications
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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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- 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
- G01N2001/1031—Sampling from special places
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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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention belongs to the technical field of sampling equipment, and particularly relates to a layered water sample in-situ collection device which comprises a controller and a sampling ship capable of being controlled wirelessly, wherein a first winder and a second winder are arranged on the sampling ship, a cable is wound on the first winder, one end of the cable is provided with an anchor, a tank cabin is arranged on the sampling ship, a plurality of sampling tanks are arranged in the tank cabin, one end of the tank cabin is provided with a U-shaped groove, one end of the tank cabin is provided with an elastic limiter, the sampling tank close to the U-shaped groove cannot enter the area where the U-shaped groove is located under the action of the elastic limiter, a cylinder seat is arranged on the tank cabin, a telescopic cylinder is arranged on the cylinder seat, a guide is arranged on a telescopic rod of the telescopic cylinder, and the guide is sleeved on the cable; a plurality of tank taking columns are fixed on the mooring rope and are used for solving the problems that the environment limitation is large when water samples of lakes and reservoirs are collected at present, and the collected samples cannot reflect the real situation due to mutual disturbance and mixing of the water samples with different depths during sampling.
Description
Technical Field
The invention belongs to the technical field of sampling equipment, and particularly relates to a layered water sample in-situ collection device.
Background
The water resource is an important foundation for the survival and development of human society, and the monitoring and analysis of the water environment have important significance for the reasonable development, utilization and protection of the water resource. The water sample collection is a key step and an important link of water environment monitoring and water science research, and a reasonable water sample collection mode determines the accuracy, the representativeness and the rationality of a water sample analysis result, so that how to collect a representative water sample is particularly important. In water sample collection of rivers and lakes, a common method is to reach a designated place through a water vehicle (such as a ship, a boat and the like) and then manually collect the water sample, but the water sample collection mode has the following problems that firstly, the method is time-consuming and labor-consuming, the disturbance on the water sample is large, and the in-situ water sample cannot be obtained. Secondly, the problems of mutual disturbance and mixing of different layers exist in the process of collecting water samples with different depths, so that the collected samples cannot reflect the real situation. In addition, for rivers and lakes where some water vehicles cannot enter, it is difficult to collect a stratified water sample.
Disclosure of Invention
Based on the problems mentioned in the background art, the invention provides a layered water sample in-situ collection device, which is used for solving the problems that the environmental limitation is large when water samples of lakes and reservoirs are collected at present, and the collected samples cannot reflect the real situation due to mutual disturbance and mixing of the water samples with different depths during the sampling.
The technical scheme adopted by the invention is as follows:
The utility model provides a layering water sample normal position collection system, includes controller and wireless control's sampling boat, first winder and second winder are installed on the sampling boat, and first winder and second winder all can be by controller remote control, have coiled the hawser on the first winder, the one end of hawser is equipped with the anchor, has seted up the preformed hole on the sampling boat, installs the wire wheel in the position that preformed hole corresponds on the sampling boat, install the tank deck on the sampling boat, be equipped with a plurality of sampling tanks in the tank deck;
The device comprises a tank cabin, a first guide rod, a first spring, a push plate, a guide device, a cable and a guide device, wherein the tank cabin is penetrated with the first guide rod, the first guide rod is sleeved with the first spring, the push plate is arranged on the first guide rod, a sampling tank in the tank cabin can be pushed to a reserved hole under the action of the first spring, a U-shaped groove is formed in one end of the tank cabin, an elastic limiter is arranged at one end of the tank cabin, the sampling tank which is close to the U-shaped groove cannot enter the area where the U-shaped groove is located under the action of the elastic limiter, a cylinder seat is arranged on the tank cabin, a telescopic cylinder is arranged on the cylinder seat, the guide device is arranged on the telescopic rod of the telescopic cylinder, and is used for driving the guide device to move, and the guide device is sleeved on the cable;
The guide comprises a cylindrical barrel, a first conical cover and a second conical cover which are integrally formed, a plurality of clamping grooves are formed in the second conical cover, guide flaring is formed at the end part of each clamping groove, a plurality of tank taking columns are fixed on the cable and are matched with the cylindrical barrel, conical surfaces are formed in the bottom ends of the tank taking columns, the tank taking columns can be led into correction position pairs in the cylindrical barrel through the first conical cover and the second conical cover when passing through the guide, and a plurality of connecting grooves are formed in the tank taking columns;
The utility model provides a sampling tank, including body jar and inner tank, be equipped with on the body jar with the connecting piece corresponding of spread groove, offered the spacing groove on the body jar, adjacent sampling tank in the tank deck is connected through spacing groove and connecting piece and is got and protect the connecting piece on the jar front end sampling tank and can match with the spread groove on the jar post of getting corrected, connecting piece and spacing groove are located the same diameter of body jar, the connecting piece bottom is equipped with limiting plate, top is equipped with the guide cone, set up the mounting groove on the connecting piece, install third spring and spacing wedge in the mounting groove, spacing piece is installed to the opening part of mounting groove, and it can extrude spacing wedge and remove the region of spacing wedge below to get the jar post card along with the decline on the connecting piece, and can avoid getting jar post and break away from by oneself under the effect of spacing wedge, install the piece on the inner tank, wear to be equipped with first haulage rope in the piece, the length of first haulage rope corresponds with the interval of getting jar post on the hawser, first haulage rope's end and tail end on each inner tank are equipped with the guide cone, the second haulage rope is installed to the second haulage rope when the second haulage rope is connected with the second haulage rope, and the second haulage rope can be opened down to the second haulage rope when the second haulage rope is opened down, and the second haulage rope is opened down to the second haulage rope.
Based on the technical scheme, the invention also improves the following steps:
Further, be equipped with first pipe fitting on the inner tank, open and close the piece and include second pipe fitting and link, first haulage rope wears to locate in the second pipe fitting, the second pipe fitting is located first pipe fitting, the cover is equipped with the third spring on the second pipe fitting, and second pipe fitting bottom is equipped with first spacing ring, install the connecting rod on the link, install the toper stopper on the connecting rod, offered on the inner tank with toper stopper assorted toper hole. The sampling tank is anchored and can not float upwards, the second pipe fitting is pulled by the first traction rope to drive the connecting rod to rise, so that the conical plug is separated from the conical hole to open the inner tank, the water body enters the inner tank from the conical hole, the second pipe fitting returns immediately under the action of the third spring when the mooring rope is wound, the conical plug seals the inner tank again, and the sample is prevented from being damaged in the inner tank due to the fact that the water of other water layers enters the inner tank in the rising process of the sampling tank.
Further, the upper end and the lower extreme of inner tank have all seted up the bell mouth, the position that corresponds with the bell mouth on the connecting rod all is equipped with the toper stopper, install spacing piece second spacing ring on the connecting rod, the interval of second spacing ring to the inner tank roof is less than the thickness dimension of toper stopper. When the connecting rod moves, the top end and the bottom end of the inner tank are simultaneously opened, so that the water body can be filled in the inner tank rapidly.
Further, the first traction rope comprises a rope body, the rope body is arranged in the second pipe in a penetrating mode, hanging buckles and traction seats are respectively arranged at two ends of the rope body, and a first buckle is arranged on the traction seat. The connection and the disassembly between the first traction ropes are convenient.
Further, an anti-drop ring is arranged on the push plate, and a second retaining ring is arranged on the second traction rope penetrating through the anti-drop ring. The second traction rope can not be completely retracted into the second winder, and the first traction rope is convenient to be connected with the second traction rope.
Further, a wiring groove is formed in the floating body tank, and a winding reel is arranged at the lower end of the first pipe fitting. After the sampling tanks are arranged in the tank cabin, the first traction ropes between two adjacent sampling tanks can be wound on the winding reel, so that the first traction ropes are prevented from scattering randomly.
Further, the elastic limiter comprises a stop cavity arranged at one end of the tank compartment, a second guide column is arranged in the stop cavity, and a limit sliding block and a second spring matched with the sampling tank are sleeved on the second guide column. The limiting sliding block can shield the sampling tank in the tank cabin under the action of the second spring, so that the sampling tank is prevented from falling into water before being connected with the tank taking column.
The invention has the beneficial effects that:
The cable can be driven to sink under the action of the anchor by releasing the cable, the tank taking column can be matched with the connecting piece on the sampling tank under the action of the guide device, the tank taking column can be clamped on the connecting piece under the action of the anchor and the sampling tank can be pulled into water, the sampling tank in the tank compartment can be sequentially pulled into water along with gradual sinking of the anchor, and then the first pulling rope is pulled by the second winding reel to drive the opening and closing piece to move to open the inner tank for sampling; after the sampling is finished, the winding cable can drive the sampling tank to rise, after the sampling tank column enters the guider, the connecting piece can automatically enter the clamping groove, the limiting wedge blocks can be contracted under the action of the clamping groove to separate the sampling tank from the connecting piece to take down the sampling tank, the sampling tank automatically falls into the sampling ship under the action of the buoyancy and is brought back by the sampling ship, the sampling is relatively convenient, the application range is relatively wide, the disturbance to the water body is relatively small, the sampling tanks are located in different water layers for sampling, the mutual disturbance of different layers can be avoided, and the sampling device is suitable for sampling the water body with different depths.
Drawings
The invention can be further illustrated by means of non-limiting examples given in the accompanying drawings;
FIG. 1 is a schematic diagram of a layered water sample in-situ collection apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the structure shown at A in FIG. 1;
FIG. 3 is a schematic view of a tank compartment according to an embodiment of the present invention;
FIG. 4 is a schematic view of the structure of the end of the rear tank compartment of the sample tank according to the embodiment of the present invention;
FIG. 5 is a schematic view of a longitudinal section of a sampling tank according to an embodiment of the present invention;
FIG. 6 is a schematic view of a guide according to an embodiment of the present invention;
FIG. 7 is a schematic view of a longitudinal section of a part of components of a layered water sample in-situ collection device according to an embodiment of the present invention;
FIG. 8 is an enlarged schematic view of the structure shown at B in FIG. 7;
FIG. 9 is an enlarged schematic view of the structure of FIG. 8 at E;
FIG. 10 is an enlarged schematic view of the structure of FIG. 7 at C;
FIG. 11 is an enlarged schematic view of the structure of FIG. 7 at D;
FIG. 12 is a schematic diagram of a sample tank according to an embodiment of the present invention;
FIG. 13 is an enlarged schematic view of the structure shown at F in FIG. 12;
The main reference numerals are as follows:
The sampling vessel 1, the preformed hole 10, the wire reel 11, the first reel 12, the second reel 13, the second pulling rope 131, the second buckle 132, the cable 14, the anchor 141, the tank compartment 2, the U-shaped groove 20, the stopper chamber 21, the second guide post 22, the stopper slider 23, the second spring 24, the cylinder block 25, the telescopic cylinder 26, the push plate 27, the first guide rod 28, the first spring 281, the anti-slip ring 29, the sampling tank 3, the stopper groove 30, the floating body tank 31, the inner tank 32, the first pipe 33, the winding reel 331, the opening and closing member 34, the second pipe 341, the first stopper 3411, the third spring 3412, the connecting frame 342, the connecting rod 343, the conical plug 344, the second stopper 345, the wiring groove 35, the connecting member 36, the stopper 361, the guide cone 362, the mounting groove 363, the stopper 364, the stopper 37, the third spring 371, the guide 4, the cylinder 41, the first conical cover 42, the second conical cover 43, the clip groove 44, the guide flare 45, the taking tank 5, the conical surface 51, the connecting groove 52, the first pulling rope 61, the first pulling rope 64, the buckle 64, and the hanging buckle 64.
Detailed Description
In order that those skilled in the art will better understand the present invention, the following technical scheme of the present invention will be further described with reference to the accompanying drawings and examples.
As shown in fig. 1-13, a layered water sample in-situ collection device comprises a controller and a sampling boat 1 capable of being controlled wirelessly, wherein a first winder 12 and a second winder 13 are installed on the sampling boat 1, the first winder 12 and the second winder 13 can be controlled remotely by the controller, a cable 14 is wound on the first winder 12, one end of the cable 14 is provided with an anchor 141, a preformed hole 10 is formed in the sampling boat 1, a wire guide wheel 11 is installed at a position corresponding to the preformed hole 10 on the sampling boat 1, a tank cabin 2 is installed on the sampling boat 1, and a plurality of sampling tanks 3 are arranged in the tank cabin 2;
The tank cabin 2 is penetrated with a first guide rod 28, the first guide rod 28 is sleeved with a first spring 281, the first guide rod 28 is provided with a push plate 27, the sampling tank 3 in the tank cabin 2 can be pushed to a reserved hole 10 under the action of the first spring 281, one end of the tank cabin 2 is provided with a U-shaped groove 20, one end of the tank cabin 2 is provided with an elastic limiter, the sampling tank 3 close to the U-shaped groove 20 cannot enter the area where the U-shaped groove 20 is located under the action of the elastic limiter, in the embodiment, the elastic limiter comprises a stop cavity 21 arranged at one end of the tank cabin 2, a second guide column 22 is arranged in the stop cavity 21, a limit slider 23 and a second spring 24 matched with the sampling tank 3 are sleeved on the second guide column 22, the limit slider 23 can block the sampling tank 3 in the tank cabin 2 under the action of the second spring 24, the tank cabin 2 is provided with a cylinder seat 25, the cylinder seat 25 is provided with a telescopic cylinder 26, the telescopic cylinder 26 is remotely controlled by a controller, the rod of the telescopic cylinder 26 is provided with a guide 4, and the guide 4 is driven by the guide 4 to move by the guide 4, and the guide 4 is arranged on the telescopic cylinder seat;
The guide 4 comprises a cylindrical barrel 41, a first conical cover 42 and a second conical cover 43 which are integrally formed, a plurality of clamping grooves 44 are formed in the second conical cover 43, guide flaring 45 is formed at the end part of each clamping groove 44, a plurality of tank taking columns 5 are fixed on the cable 14, the tank taking columns 5 are matched with the cylindrical barrel 41, conical surfaces 51 are formed at the bottom ends of the tank taking columns 5, the tank taking columns 5 can be guided into a correction position pair in the cylindrical barrel 41 through the first conical cover 42 and the second conical cover 43 when passing through the guide 4, and a plurality of connecting grooves 52 are formed in the tank taking columns 5;
The sampling tank 3 comprises a floating body tank 31 and an inner tank 32, a connecting piece 36 corresponding to the connecting groove 52 is arranged on the floating body tank 31, a limit groove 30 is arranged on the floating body tank 31, the adjacent sampling tank 3 in the tank cabin 2 is connected and protected by the limit groove 30 and the connecting piece 36, the position of the connecting piece 36 on the foremost sampling tank 3 can be matched with the connecting groove 52 on the corrected tank taking column 5, the connecting piece 36 and the limit groove 30 are positioned on the same diameter of the floating body tank 31, a limit plate 361 is arranged at the bottom end of the connecting piece 36, a guide cone 362 is arranged at the top end of the connecting piece 36, a mounting groove 363 is arranged on the connecting piece 36, a third spring 371 and a limit wedge 37 are arranged in the mounting groove 363, a limit piece 364 is arranged at the opening of the mounting groove 363, the tank taking column 5 is clamped on the connecting piece 36, then the tank taking column 5 can be extruded to the limiting wedge 37 along with descending and moves to the area below the limiting wedge 37, the tank taking column 5 can be prevented from being separated from the inner tank 32 by the limiting wedge 37, the opening and closing piece 34 is arranged on the inner tank 32 in a penetrating mode, the first traction ropes 6 are correspondingly arranged in the opening and closing piece 34, the length of each first traction rope 6 corresponds to the distance between the tank taking columns 5 on the mooring rope 14, the head end and the tail end of each first traction rope 6 on each inner tank 32 are mutually connected, the second traction ropes 131 are arranged on winding wheels of the second winding reel 13, any first traction rope 6 can be connected with the second traction ropes 131, the second winding reel 13 is driven by the anchor 141 to release the second traction ropes 131 when the sampling tank 3 descends, and the opening and closing piece 34 is driven by the first traction ropes 131 to open the sampling tank 3 when the second winding reel 13 is wound.
Specifically, the inner tank 32 is provided with a first pipe 33, the opening and closing member 34 includes a second pipe 341 and a connecting frame 342, the first traction rope 6 is arranged in the second pipe 341 in a penetrating manner, the second pipe 341 is located in the first pipe 33, a third spring 3412 is sleeved on the second pipe 341, a first limit ring 3411 is arranged at the bottom of the second pipe 341, a connecting rod 343 is installed on the connecting frame 342, a conical plug 344 is installed on the connecting rod 343, a conical hole matched with the conical plug 344 is formed in the inner tank 32, the sampling tank 3 is fixed by the anchor 141 and cannot float upwards, the second pipe 341 can be pulled by the first traction rope 6 to drive the connecting rod 343 to rise so that the conical plug 344 is separated from the conical hole to open the inner tank 32, water body enters the inner tank 32 from the conical hole, the second pipe 341 returns immediately under the action of the third spring 3412 when the cable 14 is wound, the conical plug 344 closes the inner tank 32 again, and the sample is prevented from being damaged by water entering the inner tank 32 in the process of lifting the sampling tank 3.
Specifically, the upper end and the lower end of the inner tank 32 are both provided with tapered holes, the positions of the connecting rod 343 corresponding to the tapered holes are both provided with tapered plugs 344, the connecting rod 343 is provided with limiting piece second limiting rings 345, the distance from the second limiting rings 345 to the inner top of the inner tank 32 is smaller than the thickness dimension of the tapered plugs 344, and the top end and the bottom end of the inner tank 32 are simultaneously opened when the connecting rod 343 moves, so that the inner tank 32 can be filled with water rapidly.
Specifically, the first traction rope 6 includes a rope body 61, the rope body 61 is arranged in the second pipe 341 in a penetrating manner, the hanging buckle 64 and the traction seat 62 are respectively installed at two ends of the rope body, the first retaining ring 63 is installed on the traction seat 62, and connection and disassembly between the first traction ropes 6 are convenient.
Specifically, the push plate 27 is provided with the anti-drop ring 29, the second traction rope 131 passes through the anti-drop ring 29 and is provided with the second retaining ring 132, and the second traction rope 131 cannot be completely retracted into the second reel 13, so that the first traction rope 6 is conveniently connected with the second traction rope 131.
Specifically, the wiring groove 35 is formed in the floating body tank 31, the winding reel 331 is arranged at the lower end of the first pipe fitting 33, and after the sampling tanks 3 are arranged in the tank cabin 2, the first traction ropes 6 between two adjacent sampling tanks 3 can be wound on the winding reel 331, so that the first traction ropes 6 are prevented from scattering randomly.
When in use, a certain number of sampling tanks 3 are firstly placed in the tank cabin 2 according to sampling requirements, the sampling tanks 3 are sequentially connected through the connecting piece 36 and the limiting groove 30, and the sampling tank 3 at the forefront end of the action of the limiting slide block 23 is only partially positioned in the U-shaped groove 20 and cannot automatically fall down (as shown in fig. 4). When the sampling tank 3 is placed, the first haulage ropes 6 in the two adjacent sampling tanks 3 are connected, the first haulage ropes 6 positioned on the last sampling tank 3 are connected with the second haulage ropes 131, and the loose redundant rope 61 is wound on the winding drum 331 to tighten the first haulage ropes 6. The sampling boat 1 is controlled by a controller to travel to a target water area, then the first winder 12 is started to release the cable 14, the second winder 13 is started to release the second traction rope 131, the cable 14 is pulled to sink under the action of the gravity of the anchor 141 to drive the tank taking column 5 to move, the tank taking column 5 enters the guide 4 and then is corrected to be positioned so that the connecting groove 52 is sleeved on the connecting piece 36, and after the tank taking column 5 is contacted with the limiting plate 361 (shown in fig. 10), the sampling tank 3 can be pulled to move under the action of the anchor 141 to squeeze the limiting slide block 23 so that the sampling tank 3 completely enters the U-shaped groove 20 and then sinks into water; with the sinking winding of the sampling tank 3 being released on the winding reel 331, the subsequent tank taking column 5 can sequentially drive the residual sampling tank 3 in the tank compartment 2 to sink into the water body through the process. The depth of the sampling tank 3 can be used for sampling water bodies with different depths by controlling the release length of the cable 14, and the disturbance to the water bodies is small.
After all the sampling tanks 3 are sunk into the target depth, the sampling tanks can be kept still for 1-2min, firstly, the telescopic cylinders 26 are started to drive the guide 4 to move away from the area where the limiting slide blocks 23 are located, the sampling tanks 3 are prevented from being blocked by the limiting slide blocks 23 when ascending, then, the second winder 13 is started to pull the second traction ropes 131 to pull the first traction ropes 6 to pull the opening and closing pieces 34 to move a certain distance, so that the inner tanks 32 on the sampling tanks 3 are opened, and the sampling tanks 3 can be prevented from moving away from the target depth under the action of the anchors 141; after the sampling is finished, the first winder 12 is started to wind the cable 14 to drive the sampling tank 3 to ascend so that the first traction rope 6 is loosened, the first traction rope 6 is loosened to enable the opening and closing piece 34 to return to the closed state, the inner tank 32 is closed again, then the second winder 13 is started to wind the second traction rope 131, and as the first winder 12 is started to wind the cable 14, the second traction rope 131 always keeps a loose state when being wound, and the opening and closing piece 34 is prevented from being pulled by force so that the inner tank 32 is opened to cause sample outflow.
When the sampling tank column 5 rises, the bottom end of the limiting wedge 37 is contacted with the sampling tank 3 to drive the sampling tank 3 to rise, after the sampling tank column 5 enters the guide 4, the connecting piece 36 enters the clamping groove 44 under the action of the guide flaring 45, the clamping groove 44 extrudes the limiting wedge 37 to enable the limiting wedge 37 to be contained in the installation groove 363 in the process, the limiting wedge 37 is contained in the installation groove 363 and loses the limit on the sampling tank column 5, after the sampling tank 3 contacts with the guide 4, the sampling tank column 5 can be separated from the connecting piece 36 by itself, and the sampling tank 3 falls into the sampling boat 1. Finally, the sampling vessel 1 brings the sampling tank 3 back to finish sampling
The layered water sample in-situ collection device provided by the invention is described in detail. The description of the specific embodiments is only intended to aid in understanding the method of the present invention and its core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the invention can be made without departing from the principles of the invention and these modifications and adaptations are intended to be within the scope of the invention as defined in the following claims.
Claims (7)
1. The utility model provides a layering water sample normal position collection system, includes controller and can wireless control's sampling boat (1), install first winder (12) and second winder (13) on sampling boat (1), on first winder (12) around rolling up have hawser (14), the one end of hawser (14) is equipped with anchor (141), has seted up preformed hole (10) on sampling boat (1), installs wire wheel (11) in the position that preformed hole (10) correspond on sampling boat (1), its characterized in that: install tank deck (2) on sample ship (1), be equipped with a plurality of sample jars (3) in tank deck (2), wear to be equipped with first guide bar (28) on tank deck (2), the cover is equipped with first spring (281) on first guide bar (28), install push pedal (27) on first guide bar (28), U-shaped groove (20) have been seted up to one end of tank deck (2), elastic limiter is installed to one end of tank deck (2), install jar seat (25) on tank deck (2), install telescopic cylinder (26) on jar seat (25), install director (4) on the telescopic link of telescopic cylinder (26), on hawser (14) are located to director (4) cover, director (4) are including integrated into one piece's cylinder (41) and first conical cover (42) and second conical cover (43), offer a plurality of draw-in grooves (44) on second conical cover (43), the tip of draw-in groove (44) is equipped with elasticity limiter, take out jar (5) and install guide cylinder (5) on the telescopic link, take out jar (5) and install a plurality of cylinders (5) on the cylinder (41), the utility model provides a sampling tank (3) including body jar (31) and interior jar (32), be equipped with on body jar (31) with connecting groove (52) corresponding connecting piece (36), offered spacing groove (30) on body jar (31), connecting piece (36) and spacing groove (30) are located the same diameter of body jar (31), connecting piece (36) bottom is equipped with limiting plate (361), top are equipped with direction awl (362), set up mounting groove (363) on connecting piece (36), install third spring (371) and spacing voussoir (37) in mounting groove (363), spacing piece (364) are installed in the opening part of mounting groove (363), install on interior jar (32) and open and close piece (34), open and close and be equipped with first haulage rope (6) in piece (34), the length of first haulage rope (6) is corresponding with the interval of getting a jar post (5) on cable (14), first haulage rope (6) head end and tail end interconnect on each interior jar (36), second haulage rope (131) are installed on second haulage wheel (131) and second haulage rope (13).
2. A stratified water sample in-situ collection apparatus as claimed in claim 1 wherein: be equipped with first pipe fitting (33) on inner tank (32), open and close piece (34) including second pipe fitting (341) and link (342), first haulage rope (6) wear to locate in second pipe fitting (341), second pipe fitting (341) are located first pipe fitting (33), the cover is equipped with third spring (3412) on second pipe fitting (341), and second pipe fitting (341) bottom is equipped with first spacing ring (3411), install connecting rod (343) on link (342), install taper plug (344) on connecting rod (343), set up on inner tank (32) with taper plug (344) assorted bell mouth.
3. A stratified water sample in-situ collection apparatus as claimed in claim 2 wherein: tapered holes are formed in the upper end and the lower end of the inner tank (32), tapered plugs (344) are arranged at positions, corresponding to the tapered holes, of the connecting rod (343), limiting piece second limiting rings (345) are arranged on the connecting rod (343), and the distance from the second limiting rings (345) to the inner top of the inner tank (32) is smaller than the thickness of the tapered plugs (344).
4. A stratified water sample in-situ collection apparatus as claimed in claim 3 wherein: the first traction rope (6) comprises a rope body (61), the rope body (61) is arranged in the second pipe fitting (341) in a penetrating mode, hanging buckles (64) and traction bases (62) are respectively arranged at two ends of the rope body, and first retaining rings (63) are arranged on the traction bases (62).
5. The stratified water sample in-situ collection apparatus of claim 4 wherein: the push plate (27) is provided with an anti-drop ring (29), and the second traction rope (131) passes through the anti-drop ring (29) and is provided with a second retaining ring (132).
6. The stratified water sample in-situ collection apparatus of claim 4 wherein: the floating body tank (31) is provided with a wiring groove (35), and a winding reel (331) is arranged at the lower end of the first pipe fitting (33).
7. A stratified water sample in-situ collection apparatus as claimed in claim 1 wherein: the elastic limiter comprises a stop cavity (21) arranged at one end of the tank compartment (2), a second guide column (22) is arranged in the stop cavity (21), and a limit sliding block (23) and a second spring (24) matched with the sampling tank (3) are sleeved on the second guide column (22).
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