Ecological lake water quality environment monitoring device

Abstract

The invention belongs to the technical field of water quality monitoring equipment, and discloses an ecological lake water quality environment monitoring device which comprises a base frame, the base frame is connected with a control center and winding equipment, the winding equipment winds a rope, the rope is connected with a connecting rod, the connecting rod is connected with a monitoring assembly, and the monitoring assembly comprises a monitoring cylinder. The monitoring cylinder is provided with a first chamber, a second chamber and a water inlet, a motor, a driven bevel gear, a driving bevel gear and a pressure sensor are arranged in the first chamber, a cam is arranged in the second chamber, the monitoring cylinder is connected with a first sealing cylinder, a second sealing cylinder, a spring and a sealing plug, and the sealing plug is connected with a fixing plate. The multiple monitoring assemblies are connected through the winding device and the rope, and sampling or detection of water at different depths can be completed at a time; the water inlet of the monitoring cylinder is opened in a manner that the cam rotates and abuts against the water inlet, so that the inner side of the monitoring cylinder can be prevented from being immersed by upper-layer water in the sinking process, and the water quality sampling or detecting precision is high.

Description

Technical Field

[0001] The invention relates to the technical field of water quality monitoring equipment, in particular to an ecological lake water quality environment monitoring device. Background Art

[0002] The improvement of the ecological environment of lake waters is conducive to maintaining biodiversity and promoting healthy environmental development, and provides an important basis for exploring new paths for the integration of ecological protection and green development. Environmental monitoring refers to the determination of environmental quality (or pollution level) and its changing trend by monitoring the representative values ​​of factors affecting environmental quality. It is a key link in ensuring the health of water bodies and water resource management. It involves regular or continuous testing of various physical, chemical and biological parameters in water bodies to assess water quality conditions and pollution trends. Through continuous water quality monitoring, water quality problems can be discovered and responded to in a timely manner, and appropriate prevention and control measures can be taken to protect and restore the natural state of water bodies.

[0003] At present, when monitoring the water bodies of ecological lakes, sampling equipment is mostly placed in the water with a rope for sampling, and then the water samples are tested to achieve water quality monitoring. However, when sampling in this way, the sampling device will be offset by hydraulic scouring, resulting in inaccurate sampling depth for deep sampling of the water body; and the sampling device is mostly in a normally open state. When going deeper, the sampling device will be submerged by the upper water, resulting in cross-mixing of the sample water and low sampling accuracy. Summary of the invention

[0004] The present invention is intended to provide an ecological lake water quality environment monitoring device, which uses a winding device and a rope to connect several monitoring components, and can complete the sampling or detection of water quality at different depths at one time; the water inlet of the monitoring cylinder is opened by abutting after the cam rotates, so that the water quality is sampled or detected after reaching the specified depth, avoiding the inner side of the monitoring cylinder being immersed in the upper water during the sinking process to cause cross contamination, and ensuring the accuracy of water quality sampling or detection. The problem in the background technology is solved.

[0005] In order to achieve the above object, the present invention provides the following technical solutions: An ecological lake water quality environment monitoring device comprises a base frame, the base frame is connected to a control center and a reeling device, the reeling device reels in a rope, the control center controls the operation of the reeling device to control the retracted and released length of the rope; the end of the rope away from the reeling device is detachably connected to a connecting rod, the connecting rod is detachably connected to a plurality of monitoring components, the monitoring components comprises a monitoring cylinder, the monitoring cylinder is provided with a first chamber and a second chamber which are independent of each other, the monitoring cylinder is connected to a first sealing cylinder and a second sealing cylinder, the first sealing cylinder is rotatably connected to the monitoring cylinder, the first sealing cylinder is rotatably connected to the monitoring cylinder, and the first sealing cylinder is rotatably connected to the monitoring cylinder. A sealing cylinder is fixedly connected to a driven bevel gear and a cam, a motor is provided on the inner side of the first chamber, an output shaft of the motor is fixedly connected to a driving bevel gear meshing with the driven bevel gear, and the cam is provided on the inner side of the second chamber; the second sealing cylinder is connected to the connecting rod; a water inlet connected to the second chamber is provided on the side wall of the monitoring cylinder, and the monitoring cylinder is connected to a sealing plug for connecting and / or blocking the water inlet via a spring, a horizontal height of the sealing plug is matched with a horizontal height of the cam, and the cam is rotated to intermittently abut the sealing plug to connect the water inlet.

[0006] Furthermore, a fixing plate is connected to one end of the sealing plug away from the water inlet, the outer diameter of the fixing plate is larger than the diameter of the water inlet, the spring is sleeved on the outside of the sealing plug, and the two ends of the spring are respectively connected to the fixing plate and the side wall of the monitoring cylinder.

[0007] Furthermore, a notch is provided on a side of the sealing plug away from the fixing plate, and a width of the notch is not less than a width of the cam.

[0008] Furthermore, the water inlet and the sealing plug are both wedge-shaped, and both gradually decrease from the outer wall of the monitoring cylinder to the axial center side thereof.

[0009] Furthermore, there are four water inlets, and the four water inlets are evenly distributed around the outer wall of the monitoring cylinder; there are also four sealing plugs and four springs, and the four sealing plugs and four springs are arranged one by one with the four water inlets; the cam is provided with a protrusion, and the cam rotates evenly for one circle, and the four water inlets are connected to the second chamber evenly once in turn.

[0010] Furthermore, a pressure sensor for detecting water depth is provided on the inner side of the first chamber, and the pressure sensor and the motor are electrically connected to the control center. The control center controls the operation of the motor according to the depth detected by the pressure sensor; a plurality of counterweights can also be detachably connected to the inner side of the first chamber.

[0011] Furthermore, the first chamber and the second chamber are connected via a sampling port, and the first chamber is provided with a cover for opening and / or closing the sampling port.

[0012] Furthermore, the connecting rod is provided with an external thread, the second sealing cylinder is fixedly connected to the monitoring cylinder, the inner wall of the second sealing cylinder is provided with an internal thread, and the second sealing cylinder is adjustably connected to the connecting rod via the thread.

[0013] Furthermore, the base frame is also connected to a bracket, a free end of the bracket is connected to a fixed pulley, and the rope is in sliding contact with the fixed pulley.

[0014] Furthermore, one end of the rope away from the reeling device is connected to a lifting ring, and the connecting rod is hung on the lifting ring.

[0015] The advantages and beneficial effects of the technical solution are: 1. The present invention provides an ecological lake water quality environment monitoring device, which connects a winding device and a control center on a base frame, wherein a rope wound up by the winding device is connected to a connecting rod, and the connecting rod is connected to a plurality of monitoring components, and the control center is used to control the operation of the winding device to control the winding and releasing length of the rope, thereby realizing the control of the depth of the monitoring component, and the plurality of monitoring components are used to sample or detect water quality at different depths; the monitoring component comprises a monitoring cylinder, and the monitoring cylinder is provided with a first chamber and a second chamber which are independent of each other, a motor and a bevel gear set (active bevel gear and driven bevel gear) are arranged in the first chamber, a cam is arranged in the second chamber, and the second chamber is used to contain the sampled water quality, so as to sample or detect the water quality at that location (sampling of water quality: after the second chamber is filled with water quality, the rope is retracted by the winding device, and the monitoring component is retracted as a whole to the base frame for subsequent water quality detection; for water quality detection, a water quality detection device is placed in the second chamber, and the water quality detection is completed directly at that location). Specifically, a water inlet connected to the second chamber is arranged on the side wall of the monitoring cylinder, and the monitoring cylinder is connected to a sealing plug through a spring, and the horizontal height of the sealing plug is matched with the horizontal height of the cam; when the motor is started, the output shaft of the motor runs, and the cam is driven to rotate under the action of the bevel gear set (active bevel gear and driven bevel gear), and when the raised part of the cam abuts against the sealing plug, the sealing plug will be pushed out from the water inlet by overcoming the action of the spring, so that the outside is connected with the second chamber through the water inlet, and the water quality there enters the second chamber, and when the raised part of the cam does not abut against the sealing plug, the sealing plug is recovered under the action of the spring to block the water inlet; under this structure, when it is necessary to sample or detect the water quality at a specific depth, the water inlet is first blocked with the sealing plug, and after reaching the specified position, the motor is controlled to run to connect the water inlet, so as to avoid the inner side of the monitoring cylinder being immersed in the upper water during the sinking process, resulting in cross contamination, and the accuracy of water quality sampling or detection is high.

[0016] 2. The present invention provides an ecological lake water quality environment monitoring device, in which a fixed plate with an outer diameter larger than that of the water inlet is connected to the end of the sealing plug away from the water inlet, and a spring is sleeved on the inner side of the sealing plug; when the sealing plug is not in contact with the cam, the fixed plate shields and protects the spring and the water inlet, preventing impurities in the lake water from being stuck in the water inlet and / or the spring, thereby ensuring the functionality of the entire device; and when the sealing plug is in contact with the cam and moves outward, the fixed plate will move outward therewith, which can not only push away impurities on the outside of the water inlet, ensuring that the water can smoothly flow into the second chamber through the water inlet, but also properly stir the water there, so that the water there is mixed, and then the water flowing into the second chamber can effectively represent the water situation there, thereby improving the accuracy of water quality monitoring there.

[0017] 3. The present invention provides an ecological lake water quality environment monitoring device, in which a notch with a width not less than that of a cam is provided on the sealing plug. When the cam abuts against the sealing plug, the cam slides on the inner side of the notch, and the notch guides and limits the movement of the cam, so that the overall force direction of the sealing plug is fixed and uniform, thereby making the movement of the sealing plug smooth, which is beneficial to improving the stability and functionality of the entire device; the water inlet and the sealing plug are both wedge-shaped, and the two cooperate with each other, so that the sealing plug has a good effect of connecting and / or blocking the water inlet and is highly efficient; four water inlets are provided, and the four water inlets are evenly distributed around the monitoring cylinder, and each water inlet is connected, and the water body at the location flows into the second chamber. When the cam rotates one circle, the four water inlets are evenly connected with the second chamber once in turn, so that the water bodies in four directions flow into the second chamber respectively, so that the water quality contained in the second chamber is highly representative, further improving the accuracy of the water quality monitoring at the location.

[0018] 4. The present invention provides an ecological lake water quality environment monitoring device, in which a pressure sensor is arranged in the first chamber to measure the depth of the entire monitoring component penetrating into the lake. After reaching the specified depth, the control center is used to control the operation of the motor to achieve sampling or detection of the water quality at that depth; the depth can be judged simply and accurately, avoiding the error in depth judgment caused by hydraulic scouring or undercurrent when judging the depth by the length of the rope; a counterweight block is also arranged in the first chamber to facilitate the entire monitoring component to penetrate deep into the lake; the first chamber and the second chamber are connected through a sampling port, which is convenient for taking out the sample water in the second chamber from the first chamber.

[0019] 5. The present invention provides an ecological lake water quality environment monitoring device, wherein an external thread is arranged on the connecting rod, and an internal thread matching the external thread is arranged on the inner side of the second sealing cylinder. The second sealing cylinder can be rotated to adjust the relative position of the monitoring component on the connecting rod, so as to achieve the adjustment of the relative positions of multiple monitoring components. The adjustment operation is convenient and fast, and the adjustment accuracy is high, so as to facilitate the sampling or detection of water quality at different depths; a bracket is connected to the base frame to improve the supporting effect of the rope; a lifting ring is connected to the rope, and the connecting rod is hung on the lifting ring, so that the connecting rod can be conveniently and quickly disassembled and assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a structural schematic diagram of an ecological lake water quality environment monitoring device of the present invention; Figure 2 This is a front view of an ecological lake water quality environment monitoring device of the present invention; Figure 3 It is a structural schematic diagram of a monitoring component of an ecological lake water quality environment monitoring device of the present invention; Figure 4 It is a front view of a monitoring component of an ecological lake water quality environment monitoring device of the present invention; Figure 5 for Figure 4 Sectional view of AA in the middle; Figure 6 for Figure 5 Cross-sectional view of the middle BB; Figure 7 for Figure 5 Cross-sectional view of CC.

[0021] The names of the corresponding marks in the accompanying drawings are: Base frame 1, control center 2, reeling device 3, bracket 4, rope 5, lifting ring 6, connecting rod 7, monitoring assembly 8, monitoring cylinder 9, first chamber 10, second chamber 11, first sealing cylinder 12, driven bevel gear 13, cam 14, motor 15, driving bevel gear 16, sampling port 17, pressure sensor 18, counterweight 19, water inlet 20, sealing plug 21, spring 22, fixing plate 23, notch 24, second sealing cylinder 25. DETAILED DESCRIPTION

[0022] The present invention is further described in detail below in conjunction with the accompanying drawings and embodiments: like Figures 1 to 7As shown, an ecological lake water quality environment monitoring device includes a base frame 1, the base frame 1 is connected to a control center 2, a bracket 4 and a reeling device 3, the reeling device 3 reels a rope 5, the upper end of the bracket 4 is connected to a fixed pulley, the rope 5 is in sliding contact with the fixed pulley, the control center 2 controls the operation of the reeling device 3 to control the retracted and released length of the rope 5, the end of the rope 5 away from the reeling device 3 is connected to a lifting ring 6, and the lifting ring 6 is hung with a connecting rod 7; The connecting rod 7 is connected to two monitoring components 8, and the monitoring component 8 includes a monitoring cylinder 9. The monitoring cylinder 9 is provided with a first chamber 10 and a second chamber 11 which are independent of each other. The first chamber 10 and the second chamber 11 are connected through a sampling port 17, and the first chamber 10 is provided with a cover for opening and / or closing the sampling port 17; the monitoring cylinder 9 is connected to a first sealing cylinder 12 and a second sealing cylinder 25, the first sealing cylinder 12 is rotatably connected to the monitoring cylinder 9, the first sealing cylinder 12 is fixedly connected to a driven bevel gear 13 and a cam 14, and a motor 15 and a pair of counterweights 19 are connected to the inner side of the first chamber 10, and the motor The output shaft of the first chamber 15 is fixedly connected with a driving bevel gear 16 meshing with the driven bevel gear 13, and the cam 14 is arranged on the inner side of the second chamber 11; the connecting rod 7 is provided with an external thread, the second sealing cylinder 25 is fixedly connected with the monitoring cylinder 9, and the inner wall of the second sealing cylinder 25 is provided with an internal thread, and the second sealing cylinder 25 is adjustably connected with the connecting rod 7 through the thread; the inner side of the first chamber 10 is also provided with a pressure sensor 18 for detecting the water depth, and the pressure sensor 18 and the motor 15 are both electrically connected to the control center 2, and the control center 2 controls the operation of the motor 15 according to the depth detected by the pressure sensor 18; Water inlets 20 connected to the second chamber 11 are arranged around the side wall of the monitoring cylinder 9. The monitoring cylinder 9 is connected to sealing plugs 21 for connecting and / or blocking the water inlet 20 matched therewith through springs 22 on its four sides. The water inlet 20 and the sealing plug 21 are both wedge-shaped, and both gradually decrease from the outer wall of the monitoring cylinder 9 to the axial side thereof; a fixing plate 23 is connected to the end of the sealing plug 21 away from the water inlet 20, and the outer diameter of the fixing plate 23 is larger than the caliber of the water inlet 20. The spring 22 is sleeved on the outer side of the sealing plug 21, and the two ends of the spring 22 are respectively connected to the fixing plate 23 and the side wall of the monitoring cylinder 9; the horizontal height of the sealing plug 21 is consistent with the horizontal height of the cam 14, and a notch 24 is arranged on the side of the sealing plug 21 away from the fixing plate 23, and the width of the notch 24 is larger than the width of the cam 14; the cam 14 is provided with a protrusion, and the cam 14 rotates evenly for one circle, and the four water inlets 20 around the monitoring cylinder 9 are evenly connected to the second chamber 11 once in turn.

[0023] The specific implementation process is as follows: When using the monitoring device, first control the cam 14 to be located between any two sealing plugs 21 so that the protrusion of the cam 14 does not abut against any sealing plug 21. In this state, the water inlet 20 of each monitoring component 8 is blocked by the sealing plug 21; then rotate the second sealing cylinder 25 according to actual needs to adjust the position of the monitoring component 8 on the connecting rod 7 and the distance between two adjacent monitoring components 8, so as to complete the sampling or detection of water quality at different depths at one time; then select a counterweight block 19 of corresponding weight according to actual needs, set the threshold of the pressure sensor 18, so that the control center 2 controls the motor 15 to run according to the water depth detected by the pressure sensor 18 to monitor the water quality at that location. Sampling or testing; finally, the control center 2 is used to control the operation of the reeling device 3, so that the monitoring component 8 sinks into the depth of the lake under the action of gravity and the rope 5; after reaching the specified depth, the control center 2 controls the operation of the motor 15 to sample or test the water quality there (water quality sampling: when the motor 15 is running, the cam 14 rotates and periodically abuts the sealing plug 21, so that the external water flows into the second chamber 11 through the water inlet 20. After the second chamber 11 is filled with water, the reeling device 3 is used to retract the rope 5, and the monitoring component 8 is retracted as a whole to the base frame 1, pending subsequent water quality testing; water quality testing: a water quality testing device (not shown in the figure) is placed in the second chamber 11, and the water quality testing is completed directly there).

[0024] The control center 2 is used to control the operation of the winding device 3 to control the length of the rope 5, so as to control the depth of the monitoring component 8, and the two monitoring components 8 can sample or detect water quality at different depths at one time; when the motor 15 is started, the output shaft of the motor 15 runs, and the cam 14 is driven to rotate under the action of the bevel gear set (the active bevel gear 16 and the driven bevel gear 13). When the raised part of the cam 14 abuts against the sealing plug 21, the sealing plug 21 will be pushed out from the water inlet 20 against the force of the spring 22, so that the outside is connected with the second chamber 11 through the water inlet 20, and the water quality there enters the second chamber 11. When the raised part of the cam 14 does not abut against the sealing plug 21, the sealing plug 21 is recovered under the action of the spring 22 to block the water inlet 20; under this structure, the inner side of the monitoring cylinder 9 can be prevented from being submerged in the upper water during the sinking process to cause cross contamination, and the accuracy of water quality sampling or detection is high.

[0025] The sealing plug 21 is connected to the fixing plate 23, and the spring 22 is sleeved on the inner side of the sealing plug 21. When the sealing plug 21 is not in contact with the cam 14, the fixing plate 23 shields and protects the spring 22 and the water inlet 20 to prevent impurities in the lake water from being stuck in the water inlet 20 and / or the spring 22, thereby ensuring the functionality of the entire device; and when the sealing plug 21 is in contact with the cam 14 and moves outward, the fixing plate 23 will move outward therewith, which can not only push away impurities on the outside of the water inlet 20 to ensure that the water can smoothly flow into the second chamber 11 through the water inlet 20, but also properly stir the water there to mix the water there, thereby making the water flowing into the second chamber 11 effectively represent the water conditions there, thereby improving the accuracy of water quality monitoring there.

[0026] A notch 24 is provided on the sealing plug 21. When the cam 14 abuts against the sealing plug 21, the cam 14 slides on the inner side of the notch 24. The notch 24 guides and limits the movement of the cam 14, so that the overall force direction of the sealing plug 21 is fixed and uniform, thereby making the movement of the sealing plug 21 smooth, which is beneficial to improving the stability and functionality of the entire device; the water inlet 20 and the sealing plug 21 are both wedge-shaped, and the two cooperate with each other, so that the sealing plug 21 has a good effect of connecting and / or blocking the water inlet 20 and high efficiency; four water inlets 20 are provided, and the cam 14 rotates one circle, and the four water inlets 20 are connected to the second chamber 11 once in turn and evenly, and water bodies in four directions flow into the second chamber 11 respectively, so that the water quality contained in the second chamber 11 is very representative, further improving the accuracy of water quality monitoring there.

[0027] A pressure sensor 18 is arranged in the first chamber 10 to measure the depth of the entire monitoring assembly 8 penetrating into the lake. After reaching the specified depth, the control center 2 is used to control the operation of the motor 15 to achieve sampling or detection of the water quality at that depth; the judgment of the depth is simple and accurate, and the error of the depth judgment caused by hydraulic scouring or undercurrent when judging the depth by the length of the rope 5 is avoided; a counterweight block 19 is arranged in the first chamber 10 to facilitate the entire monitoring assembly 8 to penetrate into the depth of the lake; the first chamber 10 and the second chamber 11 are connected through the sampling port 17, which is convenient for sampling from the first chamber 10 Take out the sample water in the second chamber 11; the connecting rod 7 is provided with an external thread, and the inner side of the second sealing tube 25 is provided with an internal thread matching therewith. By rotating the second sealing tube 25, the relative position of the monitoring component 8 on the connecting rod 7 can be adjusted to achieve the adjustment of the relative positions of multiple monitoring components 8. The adjustment operation is convenient and fast, and the adjustment accuracy is high, so as to facilitate the sampling or detection of water quality at different depths; the base frame 1 is connected to the bracket 4 to improve the supporting effect of the rope 5. The rope 5 is connected to the lifting ring 6, and the connecting rod 7 is hung on the lifting ring 6. The disassembly and assembly of the connecting rod 7 is convenient and fast.

[0028] The above is only an embodiment of the present invention, and the common knowledge such as the known specific technical solutions or characteristics in the solution is not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the technical solution of the present invention, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection required by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. An ecological lake water quality environment monitoring device, comprising a base frame, the base frame is connected to a control center and a reeling device, the reeling device reels a rope, and the control center controls the operation of the reeling device to control the reeling and releasing length of the rope; characterized in that: The end of the rope away from the winding device is detachably connected to a connecting rod, and the connecting rod is detachably connected to a plurality of monitoring components, and the monitoring components include a monitoring cylinder, and the monitoring cylinder is provided with a first chamber and a second chamber that are independent of each other, and the monitoring cylinder is connected with a first sealing cylinder and a second sealing cylinder, the first sealing cylinder is rotatably connected to the monitoring cylinder, the first sealing cylinder is fixedly connected with a driven bevel gear and a cam, a motor is provided on the inner side of the first chamber, the output shaft of the motor is fixedly connected with an active bevel gear that meshes with the driven bevel gear, and the cam is provided on the inner side of the second chamber; the second sealing cylinder is connected to the connecting rod; the side wall of the monitoring cylinder is provided with a water inlet connected to the second chamber, and the monitoring cylinder is connected with a sealing plug for connecting and / or blocking the water inlet through a spring, and the horizontal height of the sealing plug is matched with the horizontal height of the cam, and the cam is rotated to intermittently abut the sealing plug to connect the water inlet.

2. The ecological lake water quality environment monitoring device according to claim 1 is characterized in that: The end of the sealing plug away from the water inlet is connected to a fixing plate, the outer diameter of the fixing plate is larger than the diameter of the water inlet, the spring is sleeved on the outside of the sealing plug, and the two ends of the spring are respectively connected to the fixing plate and the side wall of the monitoring cylinder.

3. The ecological lake water quality environment monitoring device according to claim 2 is characterized in that: A notch is provided on one side of the sealing plug away from the fixing plate, and the width of the notch is not less than the width of the cam.

4. The ecological lake water quality environment monitoring device according to claim 3 is characterized in that: The water inlet and the sealing plug are both wedge-shaped, and gradually decrease from the outer wall of the monitoring cylinder to the axial center side thereof.

5. The ecological lake water quality environment monitoring device according to claim 4 is characterized in that: There are four water inlets, and the four water inlets are evenly distributed around the outer wall of the monitoring cylinder; there are also four sealing plugs and four springs, and the four sealing plugs and four springs are arranged one by one with the four water inlets; the cam is provided with a protrusion, and the cam rotates evenly for one circle, and the four water inlets are connected to the second chamber evenly once in turn.

6. The ecological lake water quality environment monitoring device according to claim 1 is characterized in that: A pressure sensor for detecting water depth is provided on the inner side of the first chamber. The pressure sensor and the motor are electrically connected to the control center. The control center controls the operation of the motor according to the depth detected by the pressure sensor. Several counterweights can also be detachably connected to the inner side of the first chamber.

7. The ecological lake water quality environment monitoring device according to claim 1 is characterized in that: The first chamber and the second chamber are connected via a sampling port, and the first chamber is provided with a cover for opening and / or closing the sampling port.

8. The ecological lake water quality environment monitoring device according to claim 1 is characterized in that: The connecting rod is provided with an external thread, the second sealing cylinder is fixedly connected to the monitoring cylinder, the inner wall of the second sealing cylinder is provided with an internal thread, and the second sealing cylinder is adjustably connected to the connecting rod through the thread.

9. The ecological lake water quality environment monitoring device according to claim 1 is characterized in that: The base frame is also connected to a bracket, a free end of the bracket is connected to a fixed pulley, and the rope is in sliding contact with the fixed pulley.

10. The ecological lake water quality environment monitoring device according to claim 1, characterized in that: One end of the rope away from the reeling device is connected with a lifting ring, and the connecting rod is hung on the lifting ring.

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