CN112362410B - Ocean profile continuous multi-point water sampling device - Google Patents
Ocean profile continuous multi-point water sampling device Download PDFInfo
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- CN112362410B CN112362410B CN202011220667.4A CN202011220667A CN112362410B CN 112362410 B CN112362410 B CN 112362410B CN 202011220667 A CN202011220667 A CN 202011220667A CN 112362410 B CN112362410 B CN 112362410B
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- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
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- G01N1/16—Devices for withdrawing samples in the liquid or fluent state with provision for intake at several levels
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Abstract
The invention discloses a continuous multipoint water sampling device for a marine profile, which comprises a sampling frame and a sampling shell, wherein the sampling shell is movably covered on the sampling frame, the sampling frame is disc-shaped, the middle part of the sampling frame is penetrated up and down, an adaptive pressure adapting piece is arranged on the sampling frame, the adaptive pressure adapting piece can drive the sampling shell to rotate along with the increase of pressure in the submergence process of the sampling frame, and a plurality of water sampling units are radially arranged on the sampling frame and distributed at equal angles in the center of the sampling frame. According to the invention, the sampling unit is matched with a plurality of valve pieces, the sliding plate is driven to move along the length direction of the limiting plate in the extending process of the electric push rod, and in the moving process, the two linkage blocks are driven to reversely rotate, so that the two sealing plates are driven to overturn, the valve pieces are closed, and meanwhile, the valve pieces are driven to be closed sequentially from inside to outside in the continuous extending process of the electric push rod by matching with the arrangement of the spring II, so that water samples at the same depth and different water areas are collected by each independent sampling chamber.
Description
Technical Field
The invention relates to the technical field of sampling equipment, in particular to a continuous multipoint water sampling device for a marine profile.
Background
The sea water quality monitoring process needs to collect sea water and detect the collected sea water so as to judge the sea water quality. At present, the seawater collection is generally carried out by adopting a manual collection mode, a person on the ship throws the collection tank into the sea directly, a pull rope is connected to the collection tank, then the collection tank filled with seawater is pulled up to complete the water sample collection at the position, and in order to improve the detection accuracy, the multipoint sampling is required, so that the sampling person is required to repeat the sampling action for a plurality of times, potential safety hazards exist, the sampling operation is inconvenient, and in addition, the water sample collection at different depths is inconvenient to solve the problems.
Chinese patent publication No. CN203606176U discloses a water sample collector for gather the water sample of appointed degree of depth, its structure includes water storage chamber, control chamber, push pedal, is equipped with the water inlet on the water storage chamber, is equipped with the movable plate that the control water inlet opened and closed in water inlet department, is equipped with the drive arrangement that control push pedal reciprocated in the control chamber, and the push pedal passes through the connecting piece and links to each other with the movable plate, and the push pedal drives the movable plate and removes and make the water inlet open or close, and drive arrangement sets up in sealed space. The water sample collector makes the push plate move downwards through the driving device, so that the movable plate is driven to open the water inlet, water is automatically fed by water pressure, and after water injection is completed, the push plate is pushed to move upwards by the water pressure, and the water inlet is automatically closed. However, when water samples at a plurality of positions are required to be collected, the operation is inconvenient and the working efficiency is low.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the invention provides a continuous multipoint water sampling device for ocean profile, which solves the problems in the prior art.
(II) technical scheme
In order to achieve the above purpose, the invention is realized by the following technical scheme: the utility model provides a continuous multiple spot water sampling device of ocean profile, includes sampling frame, movable cover closes in the sampling casing of sampling frame, sampling frame is discoid, link up from top to bottom in its middle part, be equipped with self-adaptation pressure adapter on the sampling frame, self-adaptation pressure adapter can be at sampling frame submergence in-process, drive sampling casing rotation along with the increase of pressure, radially arranged a plurality of water sampling units on the sampling frame, and with the central equiangular distribution of sampling frame, sampling casing only supplies one of them to sample all the time in the rotation in-process to collect, the water sampling unit includes that the outer end is open gathers section of thick bamboo, valve spare, locates the electric putter who gathers section of thick bamboo top, offered the holding groove that supplies corresponding collection section of thick bamboo to put into on the sampling frame, valve spare is equipped with a plurality ofly to along gathering section of thick bamboo axis direction interval arrangement, every the valve spare links to each through moving part and electric putter's output respectively, controls opening, closing of valve spare under electric putter's effect, forms an independent sampling room between two adjacent valve spare, and the lower room is open state.
Preferably, the valve member comprises two semicircular sealing plates and connectors, the inner ends of the two sealing plates are hinged through a hinge shaft and a hinge respectively, when the two sealing plates are unfolded, the two sealing plates are matched with the hinge shaft and the hinge to form a disc with the same area as the longitudinal section of the collecting cylinder, the two sealing plates and the top end of the hinge shaft penetrate through the collecting cylinder and extend to the upper part of the collecting cylinder, the top end of the hinge shaft is positioned above the top end of the hinge, the connectors are connected to the top ends of the hinge shaft and the hinge respectively, the top ends of the connectors connected with the hinge are connected with linkage blocks, and the bottom of the connectors connected with the hinge shaft is connected with the linkage blocks.
Preferably, the upper end that gathers a section of thick bamboo and expose the sampling frame is connected with the limiting plate that is the U-shaped, the inboard end of limiting plate is equipped with the spout, the moving part includes a plurality of sliding plates, the first spring of horizontal arrangement, is close to gather the section of thick bamboo outside offer the pushing groove of two holding linkage pieces on the sliding plate, be close to gather the inboard offer the pushing groove on the sliding plate, all offer a pushing groove with other sliding plates, adjacent two link to each other through the first spring between the sliding plate, wherein the sliding plate can drive hinge, hinge reverse rotation through the linkage piece in the lateral shifting process, electric putter's inboard is connected on the inboard inner wall of limiting plate, its output with be close to gather the sliding plate of section of thick bamboo inboard links to each other, and the both sides of every sliding plate are connected with spacing slider, spacing spout has been seted up to the both sides level of limiting plate, spacing slider sliding connection is on spacing spout.
Preferably, the length of the first spring close to the inner side of the collecting cylinder is greater than that of the first spring at the adjacent position on the outer side, the elastic coefficient of the first spring is smaller than that of the first spring at the adjacent position on the outer side, and the distance between the sliding plate close to the inner side of the collecting cylinder and the adjacent sliding plate is greater than that between the two adjacent sliding plates on the opposite outer side.
Preferably, the self-adaptation pressure intensity adapter comprises a rotating seat, a rotating shaft, a gear and a U-shaped supporting rod, wherein the bottom of the rotating seat is connected with the rotating shaft, the gear is sleeved on the lower portion of the rotating shaft, one end of the U-shaped supporting rod is connected with the bottom of the sampling frame, the other end of the U-shaped supporting rod is located in the middle of the sampling frame, the lower end of the rotating shaft is pivoted on the U-shaped supporting rod, the end of the U-shaped supporting rod is further connected with a cladding frame surrounding the gear, the rotating seat is disc-shaped, the periphery of the rotating seat is close to the hollow part of the sampling frame, the self-adaptation pressure intensity adapter further comprises a hollow square frame, a transverse moving plate and a tooth plate with teeth arranged on one side, the square frame is fixedly arranged at the bottom of the sampling frame, the transverse moving plate is arranged in the square frame, two ends of the transverse moving plate are in the inner wall of the square frame, springs are arranged between one side of the transverse moving plate and the inner wall of the square frame, the other side of the transverse moving plate is connected with the tooth plate, the tooth plate can be stretched into the cladding frame, the cladding frame is provided with openings towards one side of the tooth plate, the corresponding tooth plate is provided with two groups of springs, and the two groups of springs are arranged between two groups of the two groups of springs and two groups of the two groups of springs are arranged between two groups and have the same number and are different in the same number, and the two groups and are different in the two groups and are arranged between two groups and different.
Preferably, the electric sampling device further comprises a touch switch electrically connected with the electric push rod, the touch switch can be triggered in the rotation process of the sampling frame, the touch switch is connected to the inner outer wall of the limiting plate, a contact rod which is radially arranged along the periphery of the rotating seat is arranged on the periphery of the rotating seat, a bifurcation is arranged at the end part of the contact rod, the end parts of the bifurcation and the end parts of the contact rod are respectively equal to each other from the axis of the rotating seat, and the contact rod and the bifurcation can touch the touch switch in the rotation process.
Preferably, the sampling shell is provided with a communication port, the communication port and the contact rod are positioned on the same vertical plane, and the size of the communication port is matched with the caliber of the collection cylinder.
Preferably, the middle part of the sampling shell is communicated, a rotating seat can be accommodated, an external thread is arranged on the rotating seat, an internal thread is arranged in the middle part of the sampling shell, and the sampling shell can be screwed and fixed on the rotating seat.
(III) beneficial effects
After the technical scheme is adopted, compared with the prior art, the invention has the following advantages:
1. according to the ocean profile continuous multipoint water sampling device, the sampling unit is matched with the plurality of valve pieces, the sliding plate is driven to move along the length direction of the limiting plate in the extending process of the electric push rod, and in the moving process, the two linkage blocks are reversely rotated to further drive the two sealing plates to turn over, so that the valve pieces are closed, and meanwhile, the spring II is matched, so that the valve pieces can be sequentially driven to be closed from inside to outside in the continuous extending process of the electric push rod, and water samples at the same depth and different water areas are collected in each independent sampling chamber.
2. According to the ocean profile continuous multipoint water sampling device, the self-adaptive pressure adapting piece is arranged, the pressure intensity is continuously increased along with the submergence of the water sampling device, so that the spring length and the elastic coefficient of each group can be set in advance, different sampling units are controlled to sample and collect in cooperation with the sampling limiting piece, and water samples in different specific depths of deep sea can be collected more accurately.
Drawings
FIG. 1 is a schematic view of the installation of the present invention;
FIG. 2 is a schematic view of a sample holder according to the present invention;
FIG. 3 is a schematic diagram of a sampling unit according to the present invention;
FIG. 4 is a schematic diagram of the present invention;
FIG. 5 is a schematic view of a valve member according to the present invention;
FIG. 6 is a schematic bottom view of the present invention;
FIG. 7 is a schematic view of the overall bottom surface of the cladding frame of the present invention after the cladding frame structure is disassembled;
fig. 8 is a front cross-sectional view of a square frame structure in accordance with the present invention.
In the figure: 1 sampling frame, 2 sampling shell, 3 self-adaptation pressure adapter, 31 roating seat, 32 pivot, 33 gear, 34U-shaped bracing piece, 35 square frame, 36 sideslip board, 37 tooth board, 4 sampling unit, 41 collection section of thick bamboo, 42 valve spare, 421 closing plate, 422 connector, 43 electric putter, 5 accommodation groove, 7 cladding frame, 8 spring two, 9 uncovered, 10 hinge, 11 hinge, 12 linkage piece, 13 limiting plate, 14 limiting chute, 15 sliding plate, 16 limiting slider, 17 contact rod, 18 bifurcation head, 19 intercommunication mouth, 20 external screw thread, 21 internal screw thread, 22 air pump, 23 gasbag, 24 balancing weight, 25 spring one, 26 propelling slot.
Detailed Description
The invention is further illustrated by the figures and examples.
As shown in fig. 1-8: the utility model provides a continuous multiple spot water sampling device of ocean profile, includes sampling frame 1, movable cover closes in sampling housing 2 of sampling frame 1, and sampling frame 1 is discoid, link up from top to bottom in its middle part, is equipped with self-adaptation pressure adapter 3 on the sampling frame 1, and self-adaptation pressure adapter 3 can be at sampling frame 1 submergence in-process, drives sampling housing 2 rotation along with the increase of pressure.
The sampling frame 1 is radially provided with a plurality of water sampling units 4, the water sampling units 4 are distributed at equal angles in the center of the sampling frame 1, the sampling shell 2 is always used for sampling and collecting one of the water sampling units 4 in the rotating process, the water sampling units 4 comprise an outer end-opened collecting cylinder 41, a valve piece 42 and an electric push rod 43 arranged above the collecting cylinder 41, the sampling frame 1 is provided with a plurality of accommodating grooves 5 for accommodating the corresponding collecting cylinders, the valve pieces 42 are arranged at intervals along the axis direction of the collecting cylinder 41, each valve piece 42 is connected with the output end of the electric push rod 43 through a moving piece respectively, the opening and the closing of the valve piece 42 are controlled under the action of the electric push rod 43, an independent sampling chamber is formed between every two adjacent valve pieces 42, and the sampling chamber is in an open state under a normal state.
Each independent sampling chamber is used for collecting water samples of different water areas with the same depth. The valve member 42 is driven by the electric push rod 43, the closing sequence is from inside (approaching to the inner side direction of the collection cylinder) to outside, and the sampling chamber is closed after the valve member 42 is closed, so that one-time collection is completed.
The illustration of only three valve members 42 is shown in the present schematic, but is not limited to only three valve members.
The valve member 42 comprises two semicircular sealing plates 421 and a connector 422, the inner ends of the two sealing plates 421 are hinged through a hinge shaft 10 and a hinge 11 respectively, when the two sealing plates 421 are unfolded, the two sealing plates 421 are matched with the hinge shaft 10 and the hinge 11 to form a disc with the same area as the longitudinal section of the collecting cylinder 41, the top ends of the two hinge shafts 10 and the hinge 11 penetrate through the collecting cylinder 41 and extend to the upper side of the collecting cylinder, the top ends of the hinge shafts 10 are located above the top ends of the hinge 11, the connectors 422 are connected to the top ends of the hinge shafts and the hinge respectively, the top ends of the connectors connected with the hinge are connected with a linkage block 12, and the bottom of the connector 422 connected with the hinge shaft 10 is connected with the linkage block 12.
The upper end of the sampling frame 1 is exposed by the collecting cylinder 41, the U-shaped limiting plate 13 is connected to the upper end of the sampling frame 1, the sliding groove 14 is arranged at the inner side end of the limiting plate 13, the moving part comprises a plurality of sliding plates 26 and a first spring 25 which are horizontally arranged, two pushing grooves 26 for accommodating the linkage blocks 12 are formed in the sliding plate 15 which is close to the outer side of the collecting cylinder, the pushing grooves 26 are formed in the sliding plate 26 which is close to the inner side of the collecting cylinder 41, one pushing groove 26 is formed in the other sliding plates 26, the two adjacent sliding plates 26 are connected through the first spring 25, the sliding plate 15 can drive the hinge shaft 10 and the hinge 11 to reversely rotate through the linkage blocks 12 in the transverse moving process, the inner side of the electric push rod 43 is connected to the inner wall of the inner side of the limiting plate, and the output end of the electric push rod 43 is connected with the sliding plate 26 which is close to the inner side of the collecting cylinder 41.
Limiting sliding blocks 16 are connected to two sides of each sliding plate 26, limiting sliding grooves are horizontally formed in two sides of each limiting plate, the limiting sliding blocks are connected to the limiting sliding grooves 14 in a sliding mode, and the sliding plates 15 are prevented from deviating from a horizontal moving track when the first springs 25 are compressed.
The length of the first spring 25 near the inner side of the collection tube 14 is longer than that of the first spring at the adjacent position on the outer side, the elastic coefficient of the first spring is smaller than that of the first spring at the adjacent position on the outer side, and the distance between the sliding plate near the inner side of the collection tube 41 and the adjacent sliding plate is longer than that between the two adjacent sliding plates on the opposite outer side.
The space between the sliding plates and the design of the size of the first matching spring and the size of the first matching spring are mainly used for realizing that the valve piece is closed once from inside to outside under the drive of the electric push rod, and the valve piece and the first matching spring are not mutually influenced.
Referring to fig. 3, the specific process is: the innermost sliding plate 15 pushes the first spring 25 connected with the first valve member 42 to move outwards under the action of the electric push rod 43, the reaction force of the first spring 25 makes the sliding plate 15 on the other side to move outwards under the action of the acting force, at this time, the first valve member 42 starts to be closed, and due to the size of the pushing groove 26, the two outside linkage blocks 12 are not stressed, so that the corresponding sliding plate 15 on the outer side cannot move. The electric push rod 43 is further extended outwardly until the inner wall of the second pushing groove 26 pushes the corresponding linkage block 12, so that the second valve member 42 starts to close, and the first valve member 42 is not affected because the first spring 25 is contracted by a larger force. When the sliding plate drives the valve member 42 to close, the inner wall of the pushing groove 26 on the sliding plate 15 on the opposite outer side just contacts the linkage block 12 on the corresponding valve member, and the valve member 42 starts to be acted on.
The accommodating grooves 5 are formed along the radial direction of the sampling frame 1 and correspond to the collecting cylinders 41 one by one, and the collecting cylinders 41 can be inserted into the accommodating grooves 5 and fall out of the tops of the accommodating grooves.
The self-adaptive pressure intensity adapter 3 comprises a rotating seat 31, a rotating shaft 32, a gear 33 and a U-shaped supporting rod 34, wherein the bottom of the rotating seat 31 is connected with the rotating shaft 32, the gear 33 is sleeved on the lower part of the rotating shaft 32, one end of the U-shaped supporting rod 34 is connected with the bottom of the sampling frame 1, the other end of the U-shaped supporting rod is positioned in the middle of the sampling frame 1, the lower end of the rotating shaft 32 is pivoted on the U-shaped supporting rod 34, the end part of the U-shaped supporting rod 34 is also connected with a cladding frame 7 surrounding the gear 33, the rotating seat 31 is disc-shaped, and the periphery of the rotating seat is close to the hollow part of the sampling frame 1.
Still include hollow square frame 35, sideslip board 36, unilaterally arrange the tooth board 37 of tooth, square frame 35 sets firmly in the bottom of sampling frame 1, sideslip board 36 locates in square frame 35, and the inner wall butt of its both ends and sideslip board 36 both sides, be equipped with spring 8 between the inner wall of one side of sideslip board 36 and square frame 35, the opposite side is connected with tooth board 37, the opening has been seted up on the square frame 35, can supply tooth board 37 to carry out relative movement, the cladding frame 7 has seted up uncovered 9 towards one side of tooth board 37, can supply the intermeshing between tooth board 37 and the gear 33 of corresponding department.
The springs 8 are arranged in a plurality of groups, two groups are adopted, the lengths among the springs 8 in each group are different, the springs 8 in each group are symmetrically arranged in the middle of the square frame 35, and the number of the sampling units 4 is the same as the number of the groups of the springs 8.
The length of the springs 8 of each group can be set in advance according to different depths of the water sampling device to be lowered.
According to the pressure formula: p=ρ×g×h, i.e. the pressure is proportional to the water depth, whereas under water, 1 atmosphere pressure can be increased every 10 m. Meanwhile, the pressure generated by the pressure under water circumferentially surrounds the object and is pressed inward.
Therefore, in the adaptive pressure adapting member 3 according to the present embodiment, the acting force between the tooth plate 37 and the square frame 35 has a certain margin, that is, when the tooth plate 37 is subjected to the underwater pressure, the tooth plate 37 can be pressed against the square frame 35 (mainly because there is air between the traversing plate 36 and the square frame 35, the traversing plate 36 can be compressed under the condition of the external pressure so as to move), and the distance of the movement of the tooth plate 37 can be controlled by matching with the reverse elastic force (f=kx) of the spring 8 and the water depth. In the moving process of the tooth plate 37, the gear 33 can be driven to rotate, namely the rotating seat 31 can be indirectly driven to rotate, and further, water samples in a specific distance of the deep sea can be collected more accurately.
After the sampling shell 2 is screwed on the rotating seat 31, the sampling shell can rotate along with the rotating seat 31, and the rotating seat 31 can rotate at intervals with the deep sea pressure acting force through the self-adaptive pressure adapting piece 3.
The bottom of the sampling frame 1 is provided with a lifting piece for controlling the lifting and descending of the sampling frame. The lifting piece comprises an air pump 22, an air bag 23 and a balancing weight 24, wherein the air pump 22 is connected to the bottom of the sampling shell 2, the output end of the air pump is communicated with one side of the air bag 23, and the balancing weight 24 is arranged at the bottom of the sampling shell 2. The air bag 23 is also provided with an electromagnetic valve for discharging the air in the air bag 23, so that the lifting piece can control the seawater of the required measuring depth relatively accurately (the air pump 22 and the electromagnetic valve are connected into a PLC control program for control).
The water collecting device is connected by a long rope, and the position of the water collecting device in the horizontal direction is controlled.
The touch switch is connected to the inner wall and the outer wall of the limiting plate 13, a contact rod 17 arranged along the radial direction of the contact rod is arranged on the periphery of the rotating seat 31, a bifurcation head 18 is arranged at the end part of the contact rod 17, the end part of the bifurcation head 18 and the end part of the contact rod 17 are respectively equal to the axis of the rotating seat 31, and the contact rod 17 and the bifurcation head 18 can touch the touch switch in the rotating process.
The touch switch is electrically connected with the electric push rod 43, wherein the touch switch is touched once to start the electric push rod 43, and is touched once again to close the electric push rod 43, so that the touch switch can just be matched with the contact rod 17 provided with the bifurcation 18, namely, the contact rod 17 contacts and gives a certain pressure to the touch switch in the process of rotating along with the rotating seat 31, and then the touch switch drives the electric push rod 43 to operate.
It should be noted that the electric putter of this scheme sets up the multispeed, and every shelves extends certain length and then corresponds the closure of accomplishing one of them valve spare, also sets up the interval time between every shelves simultaneously to accomplish the abundant collection of water sample.
The sampling shell 2 is provided with a communication port 19, the communication port 19 and the contact rod 17 are positioned on the same vertical plane, and the size of the communication port 19 is matched with the caliber of the collection cylinder 41.
The middle part of the sampling shell 2 is communicated, the rotating seat 31 can be accommodated, the external thread 20 is arranged on the rotating seat 31, the internal thread 21 is arranged on the middle part of the sampling shell 2, and the sampling shell 2 can be screwed and fixed on the rotating seat 31.
Wherein the outer tip of collection section of thick bamboo 41 is the arc shape for can with the annular periphery looks adaptation of sampling casing 2, gather the mouth and can be wrapped by the sampling casing, play sealed effect, and wherein gather mouthful and offered the intercommunication mouth 19 looks adaptation on the sampling casing 2, consequently can supply a collection section of thick bamboo 41 to sample.
The above-described embodiments are intended to suggest that, in view of the above description, various changes and modifications may be made by the worker without departing from the spirit of the invention. The technical scope of the present invention is not limited to the description, but the scope of protection must be determined according to the scope of claims.
Claims (6)
1. A marine profile continuous multipoint water sampling device is characterized in that: the sampling device comprises a sampling frame and a sampling shell, wherein the sampling frame is disc-shaped, the middle part of the sampling frame is vertically communicated, a self-adaptive pressure adapting piece is arranged on the sampling frame, the self-adaptive pressure adapting piece can drive the sampling shell to rotate along with the increase of pressure in the submergence process of the sampling frame, a plurality of water sampling units are radially arranged on the sampling frame and distributed at equal angles in the center of the sampling frame, the sampling shell is always used for sampling and collecting one of the water sampling units in the rotation process, the water sampling unit comprises a sampling cylinder with an open outer end, a valve piece and an electric push rod arranged above the sampling cylinder, a plurality of accommodating grooves for the corresponding sampling cylinders to be arranged in are formed in the sampling frame, the valve pieces are arranged at intervals along the axis direction of the sampling cylinder, each valve piece is connected with the output end of the electric push rod respectively, the opening and closing of the valve piece are controlled under the action of the electric push rod, an independent sampling chamber is formed between two adjacent valve pieces, and the sampling chamber is in an open state in a normal state;
the self-adaptive pressure intensity adapter comprises a rotary seat, a rotary shaft, a gear and a U-shaped support rod, wherein the bottom of the rotary seat is connected with the rotary shaft, the gear is sleeved on the lower part of the rotary shaft, one end of the U-shaped support rod is connected with the bottom of the sampling frame, the other end of the U-shaped support rod is positioned in the middle of the sampling frame, the lower end of the rotary shaft is pivoted on the U-shaped support rod, the end part of the U-shaped support rod is also connected with a cladding frame which surrounds the gear, the rotary seat is disc-shaped, the periphery of the rotary seat is close to the hollow part of the sampling frame, the self-adaptive pressure intensity adapter also comprises a hollow square frame, a transverse moving plate and a tooth plate with teeth arranged on one side, the square frame is fixedly arranged on the bottom of the sampling frame, the transverse moving plate is arranged in the square frame, two ends of the transverse moving plate are abutted against the inner walls at two sides of the transverse moving plate, a second spring is arranged between one side of the transverse moving plate and the inner wall of the square frame, the other side of the transverse moving plate is connected with the tooth plate, a through hole is formed in the square frame, the tooth plate can extend into the square frame to move relatively, an opening is formed in one side of the coating frame, which faces the tooth plate, of the corresponding part, the tooth plate and the gear are meshed with each other, the second springs are arranged in a plurality of groups, the lengths of the second springs in each group are different, the second springs in each group are symmetrically arranged in the middle of the square frame, and the number of the water collecting units is the same as the number of the second springs;
the touch switch is connected to the inner wall and the outer wall of the limiting plate, a contact rod is arranged on the periphery of the rotating seat along the radial direction of the rotating seat, a bifurcation is arranged at the end part of the contact rod, the end parts of the bifurcation and the contact rod are respectively equal to the axis of the rotating seat, and the contact rod and the bifurcation can touch the touch switch in the rotating process.
2. The marine continuous multi-point water sampling device of claim 1, wherein: the valve piece includes two semicircular closing plates, connector, and the inboard end of two closing plates articulates through hinge, hinge respectively, and cooperation hinge and hinge form one when two closing plates expand and gather the disc of section of a section of thick bamboo class equiarea, two the top of hinge and hinge all runs through and gathers a section of thick bamboo and extend to its top, and the top of hinge is located the relative top at hinge top, the connector is connected in the top of hinge and hinge respectively, hinge connection's connector top is connected with the linkage piece, is connected with the connector bottom that the hinge is connected with the linkage piece.
3. The marine continuous multi-point water sampling device of claim 2, wherein: the utility model discloses a sampling device, including a collection section of thick bamboo, a collection section of thick bamboo exposes the upper end of sampling frame and is connected with the limiting plate that is the U-shaped, the inboard end of limiting plate is equipped with the spout, the moving part includes a plurality of sliding plates, the first spring of horizontal arrangement, is close to the collection section of thick bamboo the pushing groove of two holding linkage blocks has been seted up on the sliding plate, is close to the collection section of thick bamboo inboard the pushing groove has been seted up on the sliding plate, and a pushing groove is all seted up to other sliding plates, adjacent two link to each other through the first spring between the sliding plate, wherein the sliding plate can drive hinge, hinge reverse rotation through the linkage block in the lateral shifting process, electric putter's inboard is connected on the inboard inner wall of limiting plate, its output with be close to the sliding plate that gathers the section of thick bamboo inboard, the both sides of every sliding plate are connected with spacing slider, spacing slider sliding connection has been seted up to the both sides level of limiting plate on spacing spout.
4. A marine continuous multi-point water sampling apparatus as defined in claim 3 wherein: the length of the first spring close to the inner side of the collecting cylinder is larger than that of the first spring at the adjacent position on the outer side, the elastic coefficient of the first spring is smaller than that of the first spring at the adjacent position on the outer side, and the distance between the sliding plate close to the inner side of the collecting cylinder and the adjacent sliding plate is larger than that between the two adjacent sliding plates on the opposite outer side.
5. The marine continuous multi-point water sampling device of claim 1, wherein: the sampling shell is provided with a communication port, the communication port and the contact rod are positioned on the same vertical plane, and the size of the communication port is matched with the caliber of the collection barrel.
6. The marine continuous multi-point water sampling device of claim 1, wherein: the middle part of the sampling shell is communicated, a rotating seat can be accommodated, an external thread is arranged on the rotating seat, an internal thread is arranged in the middle part of the sampling shell, and the sampling shell can be screwed and fixed on the rotating seat.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011220667.4A CN112362410B (en) | 2020-11-05 | 2020-11-05 | Ocean profile continuous multi-point water sampling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011220667.4A CN112362410B (en) | 2020-11-05 | 2020-11-05 | Ocean profile continuous multi-point water sampling device |
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| CN112362410A CN112362410A (en) | 2021-02-12 |
| CN112362410B true CN112362410B (en) | 2023-05-12 |
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