CN114019128A - Underground water quality layered monitoring and sampling device - Google Patents
Underground water quality layered monitoring and sampling device Download PDFInfo
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- CN114019128A CN114019128A CN202111320807.XA CN202111320807A CN114019128A CN 114019128 A CN114019128 A CN 114019128A CN 202111320807 A CN202111320807 A CN 202111320807A CN 114019128 A CN114019128 A CN 114019128A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 91
- 238000012544 monitoring process Methods 0.000 title claims abstract description 62
- 238000005070 sampling Methods 0.000 title claims abstract description 33
- 239000003673 groundwater Substances 0.000 claims abstract description 41
- 230000007246 mechanism Effects 0.000 claims abstract description 38
- 239000007788 liquid Substances 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims abstract description 4
- 238000002347 injection Methods 0.000 claims description 11
- 239000007924 injection Substances 0.000 claims description 11
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000013517 stratification Methods 0.000 claims description 5
- 229910001385 heavy metal Inorganic materials 0.000 claims description 3
- 239000007769 metal material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 17
- 238000001514 detection method Methods 0.000 abstract description 2
- 230000001360 synchronised effect Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 description 9
- 230000037431 insertion Effects 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000003973 irrigation Methods 0.000 description 1
- 230000002262 irrigation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005065 mining Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/18—Water
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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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- Life Sciences & Earth Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Medicinal Chemistry (AREA)
- Sampling And Sample Adjustment (AREA)
Abstract
The invention is suitable for the technical field of water quality detection, and provides an underground water quality layered monitoring and sampling device which comprises a shell, a traction cable, a water inlet mechanism, a monitoring assembly and a leading-out mechanism, wherein the traction cable is arranged on the shell and is connected with external traction equipment; the water inlet mechanism comprises a driving component and an executing component, the executing component is connected with the shell in a sliding mode, slides along the shell under the driving of the driving component, and introduces water flows with different liquid levels into the shell; the monitoring assembly moves synchronously with the water inlet mechanism and is used for monitoring the flow velocity and the liquid level of underground water at different depths; the guiding mechanism is connected with the driving assembly and used for discharging the underground water step by step; this device is along with the in-process synchronous motion that the haulage cable goes up and down, can once accomplish the monitoring and the sample work of multiunit groundwater through setting up the mechanism that intakes, and groundwater is stored alone at the sample in-process to from outer to interior successive layer when deriving and see off, can improve the work efficiency of monitoring and sample to a great extent.
Description
Technical Field
The invention belongs to the technical field of water quality detection, and particularly relates to a device for layered monitoring and sampling of underground water quality.
Background
Groundwater is the important component of water resource, because water stabilization, quality of water is good, be one of agricultural irrigation, industrial and mining and urban important water source, need monitor and sample groundwater in the use, present device is mostly to take groundwater out the back and carry out the analysis alone again, when taking a sample to the groundwater on different liquid level layers, often need sample many times, mix together easily moreover, consuming time power, work efficiency is lower, bring certain influence to groundwater monitoring and sample work.
Disclosure of Invention
The embodiment of the invention aims to provide a device for monitoring and sampling underground water quality in a layered mode, and aims to solve the technical problems that the existing device is inconvenient to sample, needs to sample for multiple times, and is easy to mix underground water together.
The embodiment of the invention is realized in such a way that the underground water quality layered monitoring and sampling device comprises a shell and also comprises:
the traction cable is arranged on the shell and is connected with external traction equipment;
the water inlet mechanisms are provided with a plurality of groups, are distributed in the shell at equal angles and comprise driving components and executing components; the actuating assembly is connected with the shell in a sliding manner, slides along the shell under the driving of the driving assembly, and introduces water flows with different liquid levels into the shell;
the monitoring assembly is arranged at the end part of the execution assembly of the water inlet mechanism, synchronously moves along with the water inlet mechanism and is used for monitoring the flow velocity and the liquid level of underground water at different depths;
the guiding mechanism is arranged on the shell, and the working end of the guiding mechanism is connected with the driving assembly of the water inlet mechanism and used for discharging collected underground water entering the shell step by step.
Preferably, the shell comprises a first shell, a second shell, a third shell and a fourth shell which are arranged from outside to inside;
the first shell, the second shell, the third shell and the fourth shell which are adjacent are connected through a third fixing rod installed at a corner, and the third fixing rod is made of a heavy metal material and used as a balance weight of the shells;
the first shell and the second shell form a first cavity, the second shell and the third shell form a first cavity, and the third shell and the fourth shell form a cavity for storing underground water of different liquid level layers.
Preferably, the driving assembly comprises a cam arranged in the shell, a transmission shaft matched with the cam and a driving box arranged at the top end of the transmission shaft;
the driving box is connected with the shell IV through a second fixing rod and used for hanging the driving box.
Preferably, the executing assembly comprises a guide rod matched with the cam, a water injection hole and a water outlet hole which are arranged on the surface of the guide rod, and a first elastic supporting piece sleeved on the guide rod;
the end part of the guide rod is provided with a connecting frame, and the shell is provided with a groove for the free end of the connecting frame to be embedded;
and a flow channel for connecting the water injection hole and the water outlet hole is arranged in the guide rod.
Preferably, the monitoring assembly comprises a monitoring head arranged in the middle of the connecting frame and first fixing rods uniformly distributed on the side surface of the monitoring head and connected with the connecting frame;
the monitoring head is electrically connected with a controller arranged at the top end of the driving box.
Preferably, the guiding mechanism comprises a telescopic piece fixedly arranged on the shell, a limiting block arranged at the top end of the telescopic piece, and a limiting groove arranged at the bottom of the cam and matched with the limiting block;
the shell is provided with a driving piece, and the cam is provided with a positioning groove in sliding connection with the driving piece;
when the cam stops rotating, the telescopic piece works to pull the cam to move downwards to be separated from the execution assembly, the cam slides along the transmission shaft to be always in a contact state, and when the cam is completely separated from the execution assembly, the cam is connected with the driving piece.
Preferably, the leading-out mechanism further comprises a movable frame matched with the driving piece, a swing rod hinged on the movable frame and an inserted rod contacted with the free end of the swing rod;
a positioning rod and a fixed pile are arranged in the shell, wherein the movable frame is connected with the positioning rod in a sliding manner, and the oscillating bar is connected with the fixed pile in a sliding manner through a sliding chute formed in the middle of the oscillating bar;
the inserted bar is connected with the shell in a sliding mode, the inserted bar is further provided with a baffle, and a second elastic supporting piece is sleeved between the shell and the baffle.
Preferably, the housing is fixedly provided with a support, a bushing is arranged in the middle of the support, and the bushing is arranged at the bottom of the driving piece, so that the driving piece can rotate along the bushing.
According to the underground water quality layered monitoring and sampling device provided by the embodiment of the invention, the device synchronously moves along with the lifting process of the traction cable, the underground water sampling work can be independently completed after the device reaches different liquid level layers through the arrangement of the water inlet mechanism, the monitoring and sampling work of a plurality of groups of underground water can be completed at one time, the underground water is independently stored in the sampling process and is sent out layer by layer from outside to inside when being led out, and the monitoring and sampling work efficiency can be greatly improved.
Drawings
Fig. 1 is a schematic structural diagram of an underground water quality layered monitoring and sampling device provided by an embodiment of the invention;
fig. 2 is a top view of a water inlet mechanism in the device for layered monitoring and sampling of groundwater quality according to the embodiment of the present invention;
FIG. 3 is an enlarged view of a portion A of FIG. 1;
fig. 4 is a structural diagram of a working state of a water inlet mechanism in the device for layered monitoring and sampling of groundwater quality provided by the embodiment of the invention;
FIG. 5 is a left side view of a monitoring assembly in the device for layered monitoring and sampling of groundwater quality provided by the embodiment of the invention;
FIG. 6 is an enlarged view of a portion B of FIG. 1;
fig. 7 is a three-dimensional structure diagram of a movable frame in the groundwater quality layered monitoring and sampling device provided by the embodiment of the invention;
fig. 8 is a left side view of a bracket in the groundwater quality stratification monitoring and sampling device provided in the embodiment of the invention;
in the drawings: 1-a shell; 11-shell one; 12-shell two; 13-shell III; 14-shell four; 2-a water inlet mechanism; 21-a drive box; 22-a drive shaft; 23-a cam; 24-a guide bar; 25-a linking frame; 26-water injection holes; 27-a flow channel; 28-a resilient support member one; 29-water outlet; d 1-Chamber one; d 2-Chamber two; d 3-Chamber three; 3-a monitoring component; 31-fixing the rod I; 32-a monitoring head; 33-a controller; 4-a lead-out mechanism; 41-positioning grooves; 42-a drive member; 43-a telescoping member; 441-a limiting block; 442-a limit groove; 45-a movable frame; 461-positioning rod; 462-a guide hole; 471-a swing rod; 472-a chute; 48-fixing the pile; 491-inserting rod; 492-a baffle; 493-elastic support II; 5-a traction rope; 6-fixing a second rod; 7-fixing a third rod; 8-a bushing; 9-bracket.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1-8, a structure diagram of a device for monitoring and sampling groundwater quality stratification according to an embodiment of the present invention includes a housing 1, a hauling cable 5, a water inlet mechanism 2, a monitoring component 3 and a guiding mechanism 4, wherein the hauling cable 5 is mounted on the housing 1 and connected to an external hauling device; the water inlet mechanisms 2 are arranged in a plurality of groups, are distributed in the shell 1 at equal angles and comprise driving components and executing components; the driving assembly is arranged on the innermost side of the shell 1, the executing assembly is connected with the shell 1 in a sliding mode, and slides along the shell 1 under the driving of the driving assembly, so that water flows with different liquid levels are introduced into the shell 1; the monitoring assembly 3 is arranged at the end part of the execution assembly of the water inlet mechanism 2, synchronously moves along with the water inlet mechanism 2 and is used for monitoring the flow velocity and the liquid level of underground water at different depths; the guiding mechanism 4 is arranged on the shell 1, and the working end of the guiding mechanism 4 is connected with the driving assembly of the water inlet mechanism 2 and used for discharging the collected underground water entering the shell 1 step by step.
In the specific in-process of implementing of this embodiment, this device can accomplish the sample work to groundwater alone after the device reachs different liquid level layers through setting up into water mechanism 2, once accomplishes the monitoring and the sample work of multiunit groundwater, stores alone at sample in-process groundwater to from outside to inside successive layer is seen off when deriving, can improve the work efficiency of monitoring and sample to a great extent.
In an example of the present invention, one end of the traction cable 5 is connected to the housing 1, and the other end of the traction cable is wound on an external wheel disc, and the wheel disc can be driven by a motor or manually to drive the traction cable 5 to complete a cable retracting or releasing process, so as to control the depth of the housing 1 in the groundwater, thereby facilitating monitoring and sampling operations.
As shown in fig. 1 and fig. 2, as a preferred embodiment of the present invention, the casing 1 includes a first casing 11, a second casing 12, a third casing 13, and a fourth casing 14 disposed from outside to inside;
the adjacent first shell 11, second shell 12, third shell 13 and fourth shell 14 are connected through a third fixing rod 7 installed at a corner, and the third fixing rod 7 is made of a heavy metal material and serves as a counterweight of the shell 1;
the first shell 11 and the second shell 12 form a first chamber d1, the second shell 12 and the third shell 13 form a second chamber d2, and the third shell 13 and the fourth shell 14 form a second chamber d3 for storing groundwater of different liquid level layers.
In the process of this embodiment, the first shell 11, the second shell 12, the third shell 13 and the fourth shell 14 are gradually reduced in size, and the adjacent parts form independent chambers for storing groundwater entering the device from the outside.
As shown in fig. 1 and 2, as another preferred embodiment of the present invention, the driving assembly includes a cam 23 disposed in the housing 1, a transmission shaft 22 engaged with the cam 23, and a driving box 21 mounted on a top end of the transmission shaft 22;
the driving box 21 is connected with the shell four 14 through a second fixing rod 6 and used for hanging the driving box 21.
In the specific implementation process of this embodiment, the driving box 21 includes a built-in motor and a driving system, when the motor in the driving box 21 works, the driving shaft 22 drives the cam 23 to rotate, and the cam 23 continuously pushes the actuating assembly to slide along the housing 1 in the rotating process.
As shown in fig. 2, 3 and 4, as another preferred embodiment of the present invention, the actuating assembly includes a guide rod 24 engaged with the cam 23, a water injection hole 26 and a water outlet hole 29 provided on a surface of the guide rod 24, and a first elastic support 28 sleeved on the guide rod 24;
the end part of the guide rod 24 is provided with a connecting frame 25, and the shell 1 is provided with a groove for the free end of the connecting frame 25 to be embedded;
a flow passage 27 for connecting the water injection hole 26 and the water outlet hole 29 is provided in the guide bar 24.
In the implementation process of this embodiment, when the cam 23 continuously pushes the guide rod 24 to slide along the housing 1 in the process of contacting with the guide rod 24, based on fig. 3 and 4, when the guide rod 24 slides to the maximum stroke, the water injection hole 26 slides out of the housing one 11, the groundwater enters the water injection hole 26 and flows along the flow channel 27, flows out of the water outlet hole 29 and enters the chamber one d1, when the cam 23 gradually disengages from the guide rod 24, the guide rod 24 slides reversely under the action of the elastic support member one 28, the water injection hole 26 returns to the position corresponding to the housing one 11, the engagement frame 25 is embedded in the groove on the housing one 11, the groundwater sampling operation for the chamber one d1 is completed, and the process is sequentially repeated to complete the groundwater sampling for the chamber two d2 and the chamber three d 3.
As shown in fig. 1 and 5, as another preferred embodiment of the present invention, the monitoring assembly 3 includes a monitoring head 32 installed in the middle of the engaging frame 25, and first fixing rods 31 uniformly distributed on the side of the monitoring head 32 and connected to the engaging frame 25;
the monitoring head 32 is electrically connected with a controller 33 installed at the top end of the driving box 21.
In the specific in-process of implementing of this embodiment, rivers pass through a fixed link 31 when linking up frame 25 and remove along with the device in groundwater, and monitoring head 32 monitors groundwater to the result of the velocity of flow and the liquid level of will monitoring is given controller 33, and controller 33 carries out analysis and storage data to the monitoring result.
As shown in fig. 1 and fig. 6, as another preferred embodiment of the present invention, the guiding mechanism 4 includes a telescopic member 43 fixedly mounted on the housing 1, a limiting block 441 mounted at the top end of the telescopic member 43, and a limiting groove 442 disposed at the bottom of the cam 23 and engaged with the limiting block 441;
a driving piece 42 is arranged on the shell 1, and a positioning groove 41 which is connected with the driving piece 42 in a sliding manner is arranged on the cam 23;
when the cam 23 stops rotating, the telescopic piece 43 works to pull the cam 23 to move downwards to be separated from the actuating assembly, the cam 23 slides along the transmission shaft 22 to be always in contact with the actuating piece 42, and when the cam 23 is completely separated from the actuating assembly, the cam is connected with the actuating piece.
In the implementation of this embodiment, the cam 23 slides along the stop block 441 during operation, when the driving member 42 needs to rotate, the telescopic member 43 pulls the cam 23 to descend, and when the cam 23 is connected with the driving member 42, the driving member 42 rotates along with the cam 23.
As shown in fig. 1, 6 and 7, as another preferred embodiment of the present invention, the guiding mechanism 4 further includes a movable frame 45 cooperating with the driving member 42, a swing rod 471 hinged on the movable frame 45, and an insertion rod 491 contacting with a free end of the swing rod 471;
a positioning rod 461 and a fixed pile 48 are arranged in the shell 1, wherein the movable frame 45 is in sliding connection with the positioning rod 461, and the swinging rod 471 is in sliding connection with the fixed pile 48 through a sliding groove 472 arranged in the middle;
the inserted link 491 is connected with the housing 1 in a sliding manner, a baffle 492 is further installed on the inserted link 491, and an elastic support piece two 493 is sleeved between the housing 1 and the baffle 492.
In the specific implementation process of this embodiment, the insertion rod 491 is made of rubber material, when the driving element 42 rotates, the movable frame 45 slides along the positioning rod 461, and the movable frame 45 is provided with a guiding hole 462 slidably fitting with the positioning rod 461, the swing rod 471 swings along the plane of the fixing peg 48 to push the insertion rod 491 to slide along the housing 1, wherein the insertion rod 491 on the housing one 11 slides outwards, the elastic support two 493 is elastically deformed by force, water in the chamber one d1 flows out, the insertion rod 491 on the housing two 12 and the housing three 13 performs the plugging operation to prevent the water in the chamber two d2 and the chamber three d3 from flowing out, when the driving element 42 rotates reversely, the movement paths of the insertion rod 491 on the housing one 11, the housing two 12 and the housing three 13 are opposite, the insertion rod 491 on the housing one 11 performs the plugging operation, and the insertion rod 491 on the housing two 12 and the housing three 13 can pass through the elastic strength of the elastic support two 493, so that an elasticity difference exists, the water flow in the chamber two d2 and the chamber d3 is prevented from flowing out simultaneously, the underground water is prevented from being mixed together, and the underground water is led out step by step.
As shown in fig. 1 and 8, as another preferred embodiment of the present invention, a bracket 9 is fixedly installed on the housing 1, a bushing 8 is disposed in the middle of the bracket 9, and the bushing 8 is disposed at the bottom of the driving member 42, so that the driving member 42 rotates along the bushing 8.
In the practice of this embodiment, the driver 42 is rotatably mounted on the bushing 8 to prevent the driver 42 from disengaging from the housing 1 during rotation.
To sum up, the casing 1 is at different liquid levels by controlling the sinking distance of the traction cable 5, after reaching a liquid level layer, the transmission shaft 22 drives the cam 23 to rotate, the cam 23 pushes the guide rod 24 to slide along the casing 1, the groundwater enters the flow channel 27 from the water injection hole 26, finally flows out from the water outlet hole 29, enters the chamber, the groundwater sampling work of different chambers is completed by pushing the guide rod 24 at different positions, meanwhile, the monitoring head 32 monitors the passing water flow and other conditions, and transmits the monitoring result to the controller 33, when the groundwater needs to be discharged, the telescopic member 43 pulls the cam 23 to separate from the guide rod 24 and connect with the driving member 42, the movable frame 45 is driven to slide along the positioning rod 461 in the rotating process, the swing rod 471 swings along the fixing pile 48, the insertion rod 491 is pushed to move, the groundwater in the chamber d1 flows out, the groundwater in the second chamber d2 and the groundwater in the third chamber d3 are different, when the driving element 42 rotates reversely, the water flow hole at the bottom of the first housing 11 is blocked by the inserted rod 491, the water flow holes on the second housing 12 and the third housing 13 are opened step by the inserted rod 491, after the groundwater in the second chamber d2 enters the first chamber d1, the water flow in the third chamber d3 enters the second chamber d2 again, the working direction of the driving element 42 is repeatedly adjusted in such a way, the groundwater in the first chamber d1, the second chamber d2 and the third chamber d3 can be sent out of the device in sequence, the monitoring and sampling work of multiple groups of groundwater is completed at one time, the groundwater is stored separately in the sampling process and is sent out layer by layer from outside to inside when being led out, and the monitoring and sampling work efficiency can be improved to a greater extent.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (8)
1. The utility model provides an underground water quality of water layering monitoring and sampling device, includes the casing, its characterized in that still includes:
the traction cable is arranged on the shell and is connected with external traction equipment;
the water inlet mechanisms are provided with a plurality of groups, are distributed in the shell at equal angles and comprise driving components and executing components; the actuating assembly is connected with the shell in a sliding manner, slides along the shell under the driving of the driving assembly, and introduces water flows with different liquid levels into the shell;
the monitoring assembly is arranged at the end part of the execution assembly of the water inlet mechanism, synchronously moves along with the water inlet mechanism and is used for monitoring the flow velocity and the liquid level of underground water at different depths;
the guiding mechanism is arranged on the shell, and the working end of the guiding mechanism is connected with the driving assembly of the water inlet mechanism and used for discharging collected underground water entering the shell step by step.
2. A groundwater water quality stratification monitoring and sampling device as claimed in claim 1, wherein the housing comprises a first housing, a second housing, a third housing and a fourth housing arranged from outside to inside;
the first shell, the second shell, the third shell and the fourth shell which are adjacent are connected through a third fixing rod installed at a corner, and the third fixing rod is made of a heavy metal material and used as a balance weight of the shells;
the first shell and the second shell form a first cavity, the second shell and the third shell form a first cavity, and the third shell and the fourth shell form a first cavity for storing underground water of different liquid level layers.
3. A groundwater water quality stratification monitoring and sampling device as claimed in claim 1, wherein the driving assembly comprises a cam disposed in the housing, a driving shaft engaged with the cam, and a driving box mounted on a top end of the driving shaft;
the driving box is connected with the shell IV through a second fixing rod and used for hanging the driving box.
4. A groundwater water quality layered monitoring and sampling device according to claim 3, wherein the execution assembly comprises a guide rod matched with the cam, a water injection hole and a water outlet hole which are arranged on the surface of the guide rod, and a first elastic support member sleeved on the guide rod;
the end part of the guide rod is provided with a connecting frame, and the shell is provided with a groove for the free end of the connecting frame to be embedded;
and a flow channel for connecting the water injection hole and the water outlet hole is arranged in the guide rod.
5. A groundwater water quality layered monitoring and sampling device as claimed in claim 4, wherein the monitoring assembly comprises a monitoring head mounted at the middle part of the linking frame, and first fixing rods uniformly distributed on the side surface of the monitoring head and connected with the linking frame;
the monitoring head is electrically connected with a controller arranged at the top end of the driving box.
6. The groundwater water quality layered monitoring and sampling device according to claim 1, wherein the guiding mechanism comprises a telescopic piece fixedly installed on the housing, a limiting block installed at the top end of the telescopic piece, and a limiting groove arranged at the bottom of the cam and matched with the limiting block;
the shell is provided with a driving piece, and the cam is provided with a positioning groove in sliding connection with the driving piece;
when the cam stops rotating, the telescopic piece works to pull the cam to move downwards to be separated from the execution assembly, the cam slides along the transmission shaft to be always in a contact state, and when the cam is completely separated from the execution assembly, the cam is connected with the driving piece.
7. A groundwater water quality layered monitoring and sampling device as claimed in claim 6, wherein the guiding mechanism further comprises a movable frame matched with the driving member, a swing rod hinged on the movable frame, and an inserted rod contacted with a free end of the swing rod;
a positioning rod and a fixed pile are arranged in the shell, wherein the movable frame is connected with the positioning rod in a sliding manner, and the oscillating bar is connected with the fixed pile in a sliding manner through a sliding chute formed in the middle of the oscillating bar;
the inserted bar is connected with the shell in a sliding mode, the inserted bar is further provided with a baffle, and a second elastic supporting piece is sleeved between the shell and the baffle.
8. A groundwater water quality stratification monitoring and sampling device as claimed in claim 1, wherein a bracket is fixedly mounted on the housing, a bushing is provided in the middle of the bracket, and the bushing is provided at the bottom of the driving member so that the driving member can rotate along the bushing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111320807.XA CN114019128A (en) | 2021-11-09 | 2021-11-09 | Underground water quality layered monitoring and sampling device |
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| CN202111320807.XA CN114019128A (en) | 2021-11-09 | 2021-11-09 | Underground water quality layered monitoring and sampling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117388010A (en) * | 2023-12-06 | 2024-01-12 | 闽江学院 | Water sampling device based on unmanned aerial vehicle |
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