CN117760799B - Water quality multi-depth sampling device for environmental monitoring - Google Patents
Water quality multi-depth sampling device for environmental monitoring Download PDFInfo
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- CN117760799B CN117760799B CN202410194626.4A CN202410194626A CN117760799B CN 117760799 B CN117760799 B CN 117760799B CN 202410194626 A CN202410194626 A CN 202410194626A CN 117760799 B CN117760799 B CN 117760799B
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- 238000005070 sampling Methods 0.000 title claims abstract description 129
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 105
- 238000012544 monitoring process Methods 0.000 title claims abstract description 36
- 230000007613 environmental effect Effects 0.000 title claims abstract description 26
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 11
- 230000008569 process Effects 0.000 claims description 10
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000009471 action Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000003028 elevating effect Effects 0.000 description 5
- 238000001514 detection method Methods 0.000 description 4
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 3
- 235000017491 Bambusa tulda Nutrition 0.000 description 3
- 241001330002 Bambuseae Species 0.000 description 3
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 3
- 239000011425 bamboo Substances 0.000 description 3
- 210000003437 trachea Anatomy 0.000 description 3
- 239000003344 environmental pollutant Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The invention is suitable for the technical field of water quality biological monitoring, and particularly relates to a water quality multi-depth sampling device for environmental monitoring, which comprises a connecting plate and a sampling tube, wherein the sampling tube is connected with the connecting plate through a lifting mechanism, a sealing bin is arranged at the top of the sampling tube, a water inlet is arranged on the side wall of the sealing bin, the sealing bin is connected with a water outlet pipe, the end part of the water outlet pipe is positioned in the sampling tube, an air bag is arranged in the sealing bin, the shape of the air bag is adapted to the shape of the sealing bin, the air bag is connected with an air pipe, the other end of the air pipe extends to the top of the connecting plate and is connected with an inflation mechanism, a supporting plate is arranged in the sampling tube, and a plurality of sampling cups distributed in a circumference manner are arranged in the supporting plate; the device does not need to be with the help of other instruments when carrying out the multi-depth sampling of quality of water, does not also need the access of commercial power, can realize the quick sampling of quality of water, and then improved quality of water biological pollution monitoring efficiency, simple structure makes things convenient for the staff to carry the device simultaneously.
Description
Technical Field
The invention relates to the technical field of water quality biological monitoring, in particular to a water quality multi-depth sampling device for environmental monitoring.
Background
Environmental monitoring refers to the activity of an environmental monitoring mechanism for monitoring and measuring the environmental quality condition, and the environmental pollution condition and the environmental quality are determined by monitoring and measuring indexes reflecting the environmental quality, and the water quality monitoring is one of environmental detection, is a process for monitoring and measuring the types of pollutants in water, the concentration and the change trend of various pollutants, and evaluates the water quality condition, and has a very wide monitoring range including water quality biological pollution monitoring.
When monitoring the biological pollution of water quality, a sampling device is needed, the sampling device is used for sampling the river water, and the detection mechanism is used for detecting the biological content of the water quality in the river water after the sampling is finished, so that the biological pollution condition of the water quality in the river water is judged.
At present, in order to realize multi-depth sampling, the water quality biological pollution monitoring efficiency is improved, and river water with different depths is generally pumped up through a water pump, but the water pump is large in size and not portable enough, and when the water pump is used, mains supply is required to be connected, so that the water quality biological pollution monitoring efficiency is reduced.
Disclosure of Invention
The invention aims to provide a water quality multi-depth sampling device for environment monitoring, which has a simple structure and is convenient to carry and use, so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions:
The utility model provides a water quality multi-depth sampling device for environmental monitoring, includes connecting plate and sampling tube, sampling tube is connected with the connecting plate through elevating system, and elevating system is used for driving sampling tube up-and-down motion to make sampling tube carry out the quality of water sampling of different degree of depth, sampling tube top is equipped with sealed storehouse, is equipped with the water inlet on the sealed storehouse lateral wall, and sealed storehouse is connected with the outlet pipe, and the outlet pipe tip is located sampling tube inside, sealed storehouse inside is equipped with the gasbag, and the gasbag shape suits with sealed storehouse shape, and the gasbag is connected with the trachea, and the trachea other end extends to the connecting plate top and is connected with inflation mechanism, and inflation mechanism is used for inflating the gasbag, thereby realizes sealing of sealed storehouse, sampling tube inside is equipped with the backup pad, and the backup pad inside is equipped with a plurality of sampling cups that are circumference and distribute, the backup pad is connected with slewing mechanism, and slewing mechanism is used for driving the backup pad and rotates the outlet pipe tip under.
Further: the inflation mechanism comprises a piston cylinder arranged on the surface of the connecting plate, the piston cylinder is communicated with the air pipe, a piston is connected inside the piston cylinder in a sliding manner, and the piston is connected with a supporting rod.
Further: the connecting plate surface is equipped with the limiting plate, and the limiting plate is inside to be run through has the pull rod, and the pull rod tip is equipped with the wedge, and the wedge is connected with the limiting plate through first elastomeric element, the branch tip is equipped with the arch.
Further: the lifting mechanism comprises brackets which are arranged on the surface of the connecting plate and are distributed oppositely, a wire releasing roller is arranged between the brackets, the ends of the wire releasing roller respectively penetrate through the two brackets and are connected with the two brackets in a rotating mode, a pull rope is wound on the wire releasing roller, and the other end of the pull rope is connected with the top of the sealing bin.
Further: one end of the paying-off roller is provided with a locating plate, the locating plate is fixedly connected with a handle, a pin rod penetrates through the locating plate, and pin grooves which are circumferentially distributed and matched with the pin rod are formed in the support.
Further: the bottom of the sampling tube is provided with the balancing weight, the stability of the sampling tube in the up-and-down motion process can be effectively improved through the setting of the balancing weight, and then the phenomenon that river water spills out from the inside of the sampling cup is avoided.
Further: the rotating mechanism comprises a rotating rod penetrating through a supporting plate, one end of the rotating rod is rotationally connected with the bottom of the sampling tube, a turntable is arranged at the other end of the rotating rod, a groove body which is circumferentially distributed is formed in the top of the turntable, a push rod is rotationally connected to the inner wall of the groove body, one side of the push rod is rotationally connected with the inner wall of the groove body through a second elastic component, the other side of the push rod is in abutting connection with the groove body, a gear is arranged on the side face of the turntable, the gear is connected with an air bag through a transmission component, and the transmission component is used for driving the gear to reciprocally rotate.
Further: the transmission assembly comprises a limiting frame arranged inside the sampling tube, the limiting frame is fixedly connected with the inner wall of the sampling tube through a fixing frame, a fixing rod is penetrated inside the limiting frame, the upper end of the fixing rod is fixedly connected with the top of the sampling tube, the lower end of the fixing rod is rotationally connected with a gear, a circular slide way is arranged inside the limiting frame, a slide block is fixedly connected with a stop block in a sliding mode, the slide block is connected with the stop block through a third elastic component, a slide rod is fixedly connected with the slide block, the slide rod penetrates through the limiting frame and is connected with the gear, an air column is arranged inside the circular slide way, one end of the air column is in abutting connection with the slide block, and the other end of the air column penetrates through the limiting frame and is communicated with an air bag.
Further: the sampling tube is characterized in that an opening is formed in the side wall of the sampling tube, a raised line is arranged on the inner wall of the opening, a sealing plate is placed on the raised line, the size of the sealing plate is matched with that of the opening, and the sealing plate is detachably connected with the sampling tube
Further: the outside fixed plate that is equipped with relative distribution of sampling tube, fixed plate threaded connection have the screw thread to support the pole, and the screw thread supports the pole and contradicts with the closing plate and be connected.
Compared with the prior art, the invention has the beneficial effects that: the device realizes multi-depth water quality sampling through the inflation and deflation of the gasbag, and when the gasbag contracts, river water enters into the sealed cabin through the water inlet, then flows into one of the sampling cups through the water outlet pipe, and the gasbag expands to seal the sealed cabin, so that when the multi-depth sampling of water quality is performed, other tools are not needed, the access of commercial power is not needed, the rapid sampling of water quality can be realized, the water quality biological pollution monitoring efficiency is improved, and meanwhile, the device is simple in structure, and the device is convenient for workers to carry.
Drawings
Fig. 1 is a schematic diagram of the overall structure of a water quality multi-depth sampling device for environmental monitoring according to an embodiment of the present invention.
Fig. 2 is a schematic diagram of an internal structure of a sampling tube of a water quality multi-depth sampling device for environmental monitoring according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of an aeration mechanism of a water quality multi-depth sampling device for environmental monitoring according to an embodiment of the present invention.
Fig. 4 is a schematic diagram of a lifting mechanism of a water quality multi-depth sampling device for environmental monitoring according to an embodiment of the present invention.
Fig. 5 is a schematic diagram of a rotating mechanism of a water quality multi-depth sampling device for environmental monitoring according to an embodiment of the present invention.
Fig. 6 is a schematic structural diagram of a sealing plate of a water quality multi-depth sampling device for environmental monitoring according to an embodiment of the present invention.
In the figure: 1-connecting plate, 2-sampling tube, 3-inflation mechanism, 31-piston tube, 32-piston, 33-strut, 34-protrusion, 35-wedge, 36-limit plate, 37-pull rod, 38-first elastic member, 4-lifting mechanism, 41-bracket, 42-pull rope, 43-pay-off roller, 44-handle, 45-pin, 46-pin slot, 47-positioning plate, 5-rotation mechanism, 51-rotation rod, 52-turntable, 53-slot, 54-push rod, 55-second elastic member, 56-gear, 57-transmission assembly, 571-fixing frame, 572-limit frame, 573-circular slide, 574-air column, 575-slide, 576-third elastic member, 577-stopper, 578-slide rod, 579-fixing rod, 6-air pipe, 7-sampling cup, 8-support plate, 9-air bag, 10-water inlet, 11-sealing plate, 12-water outlet pipe, 13-sealing bin, 14-opening, 15-protrusion, 16-threaded rod, 17-fixing plate, 19-fixing plate.
Detailed Description
The present invention will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Specific implementations of the invention are described in detail below in connection with specific embodiments.
In one embodiment, please refer to fig. 1 and 2, a water quality multi-depth sampling device for environmental monitoring comprises a connecting plate 1 and a sampling tube 2, the sampling tube 2 is connected with the connecting plate 1 through a lifting mechanism 4, the lifting mechanism 4 is used for driving the sampling tube 2 to move up and down, thereby the sampling tube 2 can sample water quality with different depths, a sealing bin 13 is arranged at the top of the sampling tube 2, a water inlet 10 is arranged on the side wall of the sealing bin 13, a water outlet pipe 12 is connected with the sealing bin 13, the end part of the water outlet pipe 12 is positioned inside the sampling tube 2, an air bag 9 is arranged inside the sealing bin 13, the shape of the air bag 9 is adapted to the shape of the sealing bin 13, the air bag 9 is connected with an air pipe 6, the other end of the air pipe 6 extends to the top of the connecting plate 1 and is connected with an inflation mechanism 3, the inflation mechanism 3 is used for inflating the air bag 9, thereby sealing of the sealing bin 13 is realized, a supporting plate 8 is arranged inside the sampling tube 2, a plurality of sampling cups 7 distributed circumferentially are arranged inside the supporting plate 8, the supporting plate 8 is connected with a rotation mechanism 5, and the rotation mechanism 5 is used for driving the supporting plate 8 to rotate, thereby the sampling cup 7 to rotate right below the end part of the water outlet pipe 12.
In this embodiment, the device is when carrying out the multi-depth sampling of quality of water, can fix connecting plate 1 on the hull, drive connecting plate 1 motion through the hull, thereby sample the river water of different positions, connecting plate 1 also can use alone, when using, drive sample section of thick bamboo 2 downstream through elevating system 4, sample section of thick bamboo 2 decline in-process, gasbag 9 is the inflation state, and closely laminate with sealed storehouse 13 inner wall, can play a sealed effect to sealed storehouse 13, avoid river water to enter into sealed storehouse 13 inside through water inlet 10, when sample section of thick bamboo 2 descends to the assigned position, inflating mechanism 3 deflates gasbag 9, gasbag 9 is to sealed storehouse 13 no longer sealed, river water then enters into sealed storehouse 13 inside through water inlet 10, then flow into one of them sample cup 7 inside through outlet pipe 12, when the quality of water sample of this degree of depth finishes, inflating mechanism 3 inflates gasbag 9, thereby seal sealed storehouse 13 again, and can drive backup pad 8 through rotating mechanism 5 and rotate certain angle after the gasbag 9 inflation, make adjacent sample cup 7 rotate to just under the end portion of sample cup 7 through elevating system 4, can carry out the sealing device with the sample cup 7 through the same depth, can be realized by the sample cup 7, the sample can be removed with the sample cup is convenient to the sample cup is carried by the people through the elevating system 2, the depth is convenient for the sample cup is in addition, the sample can be taken out with the sample cup is convenient to the sample cup is connected to the sample cup is in the sample to the sample cup is in the depth is in the sample to the sample of the sample cup is in the sample of a depth is.
In another embodiment, referring to fig. 3, the inflation mechanism 3 includes a piston cylinder 31 disposed on the surface of the connection plate 1, the piston cylinder 31 is communicated with the air pipe 6, a piston 32 is slidably connected to the interior of the piston cylinder 31, and a strut 33 is connected to the piston 32.
In this embodiment, when needs seal sealed storehouse 13, promote branch 33, branch 33 drives piston 32 and removes inside piston tube 31 for the inside gas of piston tube 31 enters into inside gasbag 9 through trachea 6, and then realize sealed storehouse 13, when needs carry out quality of water sampling, outside pulling branch 33, gasbag 9 inside atmospheric pressure reduces, under the effect of water pressure, the river then enters into sealed storehouse 13 inside through water inlet 10, and then realizes the sampling of river, and simple structure makes things convenient for the staff to sample fast of quality of water, wherein inflation mechanism 3 still can replace with the air pump.
In another embodiment, referring to fig. 3, a limiting plate 36 is disposed on the surface of the connecting plate 1, a pull rod 37 is penetrated inside the limiting plate 36, a wedge block 35 is disposed at the end of the pull rod 37, the wedge block 35 is connected with the limiting plate 36 through a first elastic component 38, and a protrusion 34 is disposed at the end of the supporting rod 33.
In this embodiment, when inflating the air bag 9, the supporting rod 33 is pushed, the protrusion 34 at the end part of the supporting rod 33 can squeeze the inclined surface of the wedge block 35 while the supporting rod 33 moves, when the air bag 9 is inflated, the protrusion 34 just completely slides over the inclined surface of the wedge block 35, at this time, under the action of the first elastic component 38, the wedge block 35 automatically resets, the first elastic component 38 can be a spring, the plane of the wedge block 35 plays a role of abutting against the protrusion 34, the supporting rod 33 is prevented from moving reversely, the supporting rod 33 is not required to be manually abutted against in the sealing process of the sealing bin 13 by the air bag 9, the manpower is saved, and the sealing effect of the sealing bin 13 can be ensured.
In another embodiment, referring to fig. 4, the lifting mechanism 4 includes brackets 41 disposed on the surface of the connecting plate 1 and distributed relatively, a wire releasing roller 43 is disposed between the brackets 41, the ends of the wire releasing roller 43 respectively penetrate through the two brackets 41 and are connected with the two brackets in a rotating manner, a pull rope 42 is wound on the wire releasing roller 43, and the other end of the pull rope 42 is connected with the top of the sealing bin 13.
In this embodiment, when the river water with different depths needs to be sampled, the line discharging roller 43 is rotated, and the sampling tube 2 automatically moves downwards under the action of gravity, so that the device can sample the water with different depths, and the lifting mechanism 4 can also be replaced by manually pulling the pull rope 42.
In another embodiment, referring to fig. 4, a positioning plate 47 is disposed at one end of the payout roller 43, the positioning plate 47 is fixedly connected with a handle 44, a pin 45 is inserted into the positioning plate 47, and pin grooves 46 circumferentially distributed and matched with the pin 45 are disposed on the bracket 41.
In this embodiment, when needs are sampled to the river of different degree of depth, rotate handle 44, handle 44 drives the play line roller 43 through locating plate 47 and rotates to realize receive and release line purpose, when the sampling, pass pin 45 from handle 44 inside to insert the cotter way 46 inside, and then played a fixed action to play the play line roller 43, make the device when carrying out the quality of water sampling, need not the manual work fixed play line roller 43, practiced thrift the manpower, also can avoid the unexpected pivoted phenomenon of play line roller 43 in the sampling process simultaneously, guaranteed the accuracy of quality of water sampling result, and then guaranteed the accuracy of testing result.
In another embodiment, referring to fig. 1, a balancing weight 19 is disposed at the bottom of the sampling tube 2, and stability of the sampling tube 2 in the up-down motion process can be effectively improved through the arrangement of the balancing weight 19, so that the phenomenon that river water spills out from the inside of the sampling cup 7 is avoided.
In another embodiment, referring to fig. 5, the rotating mechanism 5 includes a rotating rod 51 penetrating through the supporting plate 8, one end of the rotating rod 51 is rotatably connected with the bottom of the sampling tube 2, the other end is provided with a turntable 52, a circumferentially distributed groove 53 is provided at the top of the turntable 52, a push rod 54 is rotatably connected inside the groove 53, one side of the push rod 54 is rotatably connected with the inner wall of the groove 53 through a second elastic component 55, the other side is in abutting connection with the groove 53, a gear 56 is provided on the side of the turntable 52, the gear 56 is connected with the air bag 9 through a transmission component 57, and the transmission component 57 is used for driving the gear 56 to reciprocally rotate.
In this embodiment, when the water quality sampling is finished, the air bag 9 expands to seal the sealing bin 13, the gear 56 is driven to rotate a certain angle through the transmission component 57 while the air bag 9 expands, the teeth on the gear 56 push the push rod 54, so that the supporting plate 8 rotates a certain angle, the adjacent sampling cup 7 rotates to the position right below the end part of the water outlet pipe 12, in the water quality sampling process, the air bag 9 contracts and drives the gear 56 to rotate reversely through the transmission component 57, the push rod 54 is extruded while the gear 56 rotates reversely, but because the push rod 54 is connected with the groove 53 through the second elastic component 55, the push rod 54 swings at this moment, the gear 56 does not drive the turntable 52 to rotate through the push rod 54, and the stability of the sampling cup 7 in the water quality sampling process is ensured, wherein the second elastic component 55 can be a spring, the rotating mechanism 5 can be replaced by a motor, and the supporting plate 8 is driven to rotate through the motor.
In another embodiment, referring to fig. 5, the transmission assembly 57 includes a limiting frame 572 disposed inside the sampling tube 2, the limiting frame 572 is fixedly connected with the inner wall of the sampling tube 2 through a fixing frame 571, a fixing rod 579 penetrates through the inside of the limiting frame 572, the upper end of the fixing rod 579 is fixedly connected with the top of the sampling tube 2, the lower end of the fixing rod 579 is rotatably connected with the gear 56, a circular slide 573 is disposed inside the limiting frame 572, a slide block 575 is slidably connected inside the circular slide 573, a stop 577 is fixedly connected with the slide block 575, the slide block 575 is connected with the stop 577 through a third elastic member 576, a slide bar 578 penetrates through the limiting frame 572 and is connected with the gear 56, an air column 574 is disposed inside the circular slide 573, one end of the air column 574 is in abutting connection with the slide block 575, and the other end of the air column 574 penetrates through the limiting frame 572 and is communicated with the air bag 9.
In this embodiment, when the air bag 9 seals the sealing bin 13, the air in the air bag 9 enters the air column 574, the air column 574 expands to squeeze the stop 577 in the circular slide 573, the stop 577 drives the gear 56 to rotate by a certain angle through the slide rod 578, so as to drive the support plate 8 to rotate by a certain angle, when the water quality is sampled again, the air column 574 contracts along with the air bag 9, the stop 577 automatically resets under the action of the third elastic component 576, the third elastic component 576 can be a spring, and the air column 574 has larger resistance to the air column 574, so that after the air bag 9 is tightly attached to the inner wall of the sealing bin 13, the air column 574 pushes the slide block 575, so that the gear 56 rotates, that is, after the air bag 9 blocks the water inlet 10, the slide block 575 drives the gear 56 to rotate, so that the other sampling cup 7 rotates to the lower part of the end of the water outlet pipe 12, and the phenomenon that the detection result is inaccurate due to the fact that the support plate 8 rotates in advance, and the river water enters into the other sampling cup 7 is avoided.
In another embodiment, referring to fig. 6, an opening 14 is provided on a side wall of the sampling tube 2, a raised line 15 is provided on an inner wall of the opening 14, a sealing plate 11 is disposed on the raised line 15, the size of the sealing plate 11 is adapted to that of the opening 14, the sealing plate 11 is detachably connected with the sampling tube 2, and the setting of the opening 14 and the sealing plate 11 facilitates the staff to take out the sampling cup 7 from the sampling tube 2, thereby improving the detection efficiency.
In another embodiment, referring to fig. 6, a fixing plate 17 is disposed on the outside of the sampling tube 2, the fixing plate 17 is screwed with a threaded support rod 16, the threaded support rod 16 is in abutting connection with the sealing plate 11, when water quality sampling is performed, the threaded support rod 16 passes through the inside of the fixing plate 17 and is screwed with the sealing plate 11, and the sealing plate 11 is pressed against the sealing plate 11 through the threaded support rod 16, so that the inner wall of the sealing plate 11 is tightly attached to the raised strips 15, a sealing effect is achieved on the sampling tube 2, and the phenomenon that river water enters the sampling tube 2 in the sampling process is effectively avoided.
Working principle: when the device is used for carrying out multi-depth water quality sampling, paying off is carried out through the paying-off roller 43, under the action of gravity, the sampling tube 2 automatically moves downwards, so that the device can carry out water quality sampling of different depths, the sampling tube 2 descends in the process, the air bag 9 is in an expansion state and is tightly attached to the inner wall of the sealing bin 13, the sealing bin 13 can be sealed, river water is prevented from entering the sealing bin 13 through the water inlet 10, when the sampling tube 2 descends to a designated position, the supporting rod 33 is pulled, the piston 32 moves towards the outer side of the piston tube 31, at the moment, the air pressure in the air bag 9 is reduced, under the action of water pressure, the river water enters the sealing bin 13 through the water inlet 10, then flows into one of the sampling cups 7 through the water outlet pipe 12, water quality sampling is further carried out, when the water quality sampling of the depth is finished, the supporting rod 33 is pushed, the piston 32 moves towards the inner side of the piston tube 31, the air bag 9 is expanded again, the sealing bin 13 is sealed, the air in the sealing bin 13 is prevented from entering the inner side of the sealing bin 13, the air column 573 is pushed by the air column, the inner side of the air column is pushed into the inner side of the circular supporting rod 574, the rotating groove 574 drives the rotary table 574, the rotary table 577 drives the rotary table 52 to rotate the rotary table 52, and the rotary table 52 rotates the rotary table 52, and the rotary table is driven by the rotary table 52 to rotate the rotary table 52, and the rotary table is driven by the rotary table 577 to rotate the rotary table and the rotary table is driven by the rotary table and the rotary table is driven to rotate.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (8)
1. A water quality multi-depth sampling device for environmental monitoring comprises a connecting plate and a sampling tube; the water sampling device is characterized in that the sampling tube is connected with a connecting plate through a lifting mechanism, the lifting mechanism is used for driving the sampling tube to move up and down, so that the sampling tube can sample water of different depths, a sealing bin is arranged at the top of the sampling tube, a water inlet is formed in the side wall of the sealing bin, the sealing bin is connected with a water outlet pipe, the end part of the water outlet pipe is positioned in the sampling tube, an air bag is arranged in the sealing bin, the shape of the air bag is adapted to that of the sealing bin, the air bag is connected with an air pipe, the other end of the air pipe extends to the top of the connecting plate and is connected with an inflation mechanism, the inflation mechanism is used for inflating the air bag, the sealing of the sealing bin is realized, a supporting plate is arranged in the sampling tube, a plurality of sampling cups distributed circumferentially are arranged in the supporting plate, and the supporting plate is connected with a rotating mechanism, and the rotating mechanism is used for driving the supporting plate to rotate, so that the sampling cups are rotated to the right below the end part of the water outlet pipe;
The rotating mechanism comprises a rotating rod penetrating through the supporting plate, one end of the rotating rod is rotationally connected with the bottom of the sampling tube, the other end of the rotating rod is provided with a rotary table, the top of the rotary table is provided with circumferentially distributed groove bodies, the inner parts of the groove bodies are rotationally connected with push rods, one sides of the push rods are rotationally connected with the inner walls of the groove bodies through second elastic components, the other sides of the push rods are in abutting connection with the groove bodies, the side surfaces of the rotary table are provided with gears, the gears are connected with air bags through transmission components, and the transmission components are used for driving the gears to reciprocally rotate;
The transmission assembly comprises a limiting frame arranged inside the sampling tube, the limiting frame is fixedly connected with the inner wall of the sampling tube through a fixing frame, a fixing rod is penetrated inside the limiting frame, the upper end of the fixing rod is fixedly connected with the top of the sampling tube, the lower end of the fixing rod is rotationally connected with a gear, a circular slide way is arranged inside the limiting frame, a slide block is fixedly connected with a stop block in a sliding mode, the slide block is connected with the stop block through a third elastic component, a slide rod is fixedly connected with the slide block, the slide rod penetrates through the limiting frame and is connected with the gear, an air column is arranged inside the circular slide way, one end of the air column is in abutting connection with the slide block, and the other end of the air column penetrates through the limiting frame and is communicated with an air bag.
2. The multi-depth water quality sampling device for environmental monitoring according to claim 1, wherein the air charging mechanism comprises a piston cylinder arranged on the surface of the connecting plate, the piston cylinder is communicated with the air pipe, a piston is connected inside the piston cylinder in a sliding manner, and a supporting rod is connected with the piston.
3. The multi-depth water quality sampling device for environmental monitoring according to claim 2, wherein a limiting plate is arranged on the surface of the connecting plate, a pull rod penetrates through the limiting plate, a wedge-shaped block is arranged at the end part of the pull rod, the wedge-shaped block is connected with the limiting plate through a first elastic component, and a protrusion is arranged at the end part of the supporting rod.
4. The multi-depth water quality sampling device for environmental monitoring according to claim 1, wherein the lifting mechanism comprises brackets which are arranged on the surface of the connecting plate and are distributed oppositely, a wire releasing roller is arranged between the brackets, the ends of the wire releasing roller respectively penetrate through the two brackets and are connected with the two brackets in a rotating way, a pull rope is wound on the wire releasing roller, and the other end of the pull rope is connected with the top of the sealing bin.
5. The device for multi-depth sampling of water quality for environmental monitoring according to claim 4, wherein one end of the paying-off roller is provided with a positioning plate, the positioning plate is fixedly connected with a handle, a pin rod penetrates through the positioning plate, and pin grooves which are circumferentially distributed and matched with the pin rod are formed in the bracket.
6. The multi-depth water quality sampling device for environmental monitoring according to claim 4 or 5, wherein the bottom of the sampling tube is provided with a balancing weight, and the balancing weight can effectively improve the stability of the sampling tube in the up-and-down motion process, so that the phenomenon that river water is spilled from the inside of the sampling cup is avoided.
7. The multi-depth water quality sampling device for environmental monitoring according to claim 1, wherein the side wall of the sampling tube is provided with an opening, the inner wall of the opening is provided with a convex strip, the convex strip is provided with a sealing plate, the size of the sealing plate is adapted to the size of the opening, and the sealing plate is detachably connected with the sampling tube.
8. The multi-depth water quality sampling device for environmental monitoring according to claim 7, wherein the sampling tube is provided with relatively distributed fixing plates outside, the fixing plates are connected with threaded supporting rods in a threaded mode, and the threaded supporting rods are in abutting connection with the sealing plates.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410194626.4A CN117760799B (en) | 2024-02-22 | 2024-02-22 | Water quality multi-depth sampling device for environmental monitoring |
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| CN202410194626.4A CN117760799B (en) | 2024-02-22 | 2024-02-22 | Water quality multi-depth sampling device for environmental monitoring |
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| CN117760799A CN117760799A (en) | 2024-03-26 |
| CN117760799B true CN117760799B (en) | 2024-04-26 |
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