Wastewater sampling device and sampling method for water pollution detection

Abstract

The application provides a wastewater sampling device for water pollution detection and a sampling method in the technical field of environmental monitoring. The wastewater sampling device comprises a support table, a rotating sleeve is rotatably installed on the support table, a conical bottom cylinder is penetratingly and slidably installed in the rotating sleeve, a plurality of ice-breaking tooth plates are symmetrically distributed and welded at the bottom end position of the conical bottom cylinder, a first gear is fixedly sleeved on the outer wall of the rotating sleeve, a first motor is fixedly installed on the top of the support table, a second gear is fixedly sleeved on the output end of the first motor, and the first gear is engaged with the second gear. The wastewater sampling device for water pollution detection has the advantages of automatic ice-breaking function, water collection in the water area with ice, multi-dimensional visual signal prompting, and the like, so that the operator can timely judge whether the water tank is full.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of environmental monitoring, and in particular to a wastewater sampling device for water pollution detection and a sampling method. BACKGROUND

[0002] Water pollution detection is to qualitatively and quantitatively analyze the types, concentrations, distributions and trends of pollutants in water bodies by scientific and technological means, to determine whether the water body meets the specific function standard, to locate the pollution sources such as industrial wastewater, domestic sewage and agricultural non-point source pollution through the analysis of the characteristics of the pollutants, and to provide data support for the development of water pollution prevention and control programs and the evaluation of treatment engineering effects, and to prevent the death of aquatic organisms, drinking water safety risks and human health hazards caused by water quality deterioration.

[0003] To detect water pollution, wastewater needs to be sampled in advance. The traditional wastewater sampling device lacks a special ice breaking functional component and cannot penetrate the ice layer for effective sampling when the water surface is frozen under cold weather conditions, resulting in the use of water quality monitoring in winter or high latitude areas. The operator needs to manually break the ice before launching the sampler, which has the problems of low efficiency and poor safety.

[0004] Therefore, it is necessary to provide a wastewater sampling device for water pollution detection and a sampling method to solve the above technical problems. SUMMARY

[0005] The technical problem solved by the present application is to provide a wastewater sampling device for water pollution detection with an automatic ice breaking function, which can collect sewage in frozen water areas, and uses multi-dimensional visual signal prompts to facilitate the operator to determine whether the water tank is full of water in time.

[0006] To solve the above technical problems, the wastewater sampling device for water pollution detection provided by the present application comprises a support table, a rotating sleeve is rotatably installed on the support table, a conical bottom cylinder is slidably installed in the rotating sleeve, a plurality of ice breaking tooth plates are symmetrically distributed and welded at the bottom end position of the conical bottom cylinder, a first gear is fixedly sleeved on the outer wall of the rotating sleeve, a first motor is fixedly installed on the top of the support table, a second gear is fixedly sleeved on the output end of the first motor, the first gear is engaged with the second gear, a power mechanism for driving the conical bottom cylinder to move up and down is installed on the top of the support table, and the power mechanism comprises an outer sleeve plate which is rotatably sleeved on the outer wall of the conical bottom cylinder.

[0007] The square pipe is provided with a hose fixedly installed at the top end, the top of the supporting table is fixedly installed with a water pump and a water tank, the water inlet of the water pump is fixedly installed with a fixed pipe, the top end of the fixed pipe is fixedly connected with the bottom end of the hose, the water outlet of the water pump is fixedly installed with a connecting pipe, and the other end of the connecting pipe is fixedly connected with the top of the water tank.

[0008] The top of the supporting table is fixedly installed with an outer protection frame, and the top of the outer protection frame is fixedly installed with four lifting rings.

[0009] Preferably, the power mechanism further comprises two supporting arms, a supporting pile and a second motor, both of the supporting arms are fixedly installed at the top of the outer sleeve plate, a same fixed shaft is fixedly installed between the two supporting arms, the supporting pile is fixedly installed at the top of the supporting table, the second motor is fixedly installed on the supporting pile, the output end of the second motor is fixedly sleeved with a cam, one end of a push-pull arm is rotatably installed on the cam, and the other end of the push-pull arm is rotatably sleeved on the fixed shaft.

[0010] Further, the square pipe penetrates through the fixed shaft and is in sliding connection with the fixed shaft, a first rack is fixedly installed on the outer wall of the side of the square pipe away from the water tank, the top of the outer sleeve plate is fixedly installed with a door-shaped support, the top of the door-shaped support is fixedly installed with a third motor, a third gear is fixedly installed on the output end of the third motor, and the third gear is in meshing connection with the first rack.

[0011] Further, a conical plug is fixedly installed at the bottom end of the square pipe and located below the conical cylinder, the conical plug is used for plugging the bottom opening of the conical cylinder in the ice breaking process, and water inlets are formed in the outer walls of the two sides of the square pipe and close to the bottom end positions.

[0012] Further, a supporting pipe is fixedly installed on the supporting arm close to the supporting pile, a cleaning pipe anti-falling mechanism is arranged in the supporting pipe, and a cleaning pipe supporting hole is formed in the supporting arm and in communication with the supporting pipe.

[0013] Preferably, the cleaning pipe anti-falling mechanism comprises a fixed plate, two first sliding rods, a clamping block and two springs, the clamping block is slidingly installed in the supporting pipe, the fixed plate is fixedly installed on the supporting arm, both of the first sliding rods penetrate through and are slidingly installed on the fixed plate, the top end of each of the first sliding rods is fixedly connected with the bottom of the clamping block, the bottom end of each of the first sliding rods is fixedly installed with a same handle, both of the springs are sleeved on the outer sides of the first sliding rods, the top end of each of the springs is fixedly connected with the bottom of the clamping block, and the bottom end is fixedly connected with the top of the fixed plate.

[0014] Further, the water tank is further provided with a flash prompting mechanism, the flash prompting mechanism comprises a strobe, a second sliding rod, a floating block, a first conductive block, an L-shaped support frame and a second conductive block, the strobe is fixedly installed on the top of the water tank, the second sliding rod is slidingly installed on the top of the water tank, the floating block is arranged in the water tank, the bottom end of the second sliding rod extends into the water tank and is fixedly connected with the floating block, the first conductive block is fixedly installed on the top end of the second sliding rod, the L-shaped support frame is fixedly installed on the top of the water tank, and the second conductive block is fixedly installed on the bottom of the horizontal part of the L-shaped support frame and is located directly above the first conductive block.

[0015] Preferably, the floating block is made of foamed polypropylene, and a connecting plate is fixedly installed on the top of the floating block, and the bottom end of the second sliding rod is fixedly connected with the connecting plate; the connecting plate and the second sliding rod are made of polytetrafluoroethylene.

[0016] Further, the flash prompting mechanism further comprises a fixing frame, a fourth gear, a residual gear, a reflective rod and a second gear rack, the fixing frame is fixedly installed on the top of the water tank, the fourth gear and the residual gear are both rotatably installed on the fixing frame, the fourth gear is engaged with the residual gear, the reflective rod is fixedly installed on the residual gear, and the second gear rack is fixedly installed on the outer wall of the second sliding rod and is engaged with the fourth gear.

[0017] To solve the above problems, the application further provides a wastewater sampling method for water pollution detection, comprising the following steps:

[0018] T1: the wastewater sampling equipment for water pollution detection is hoisted by a hoisting device to above the ice surface of the river to be detected, and is slowly lowered to the ice surface;

[0019] T2: the first motor is started to drive the rotating sleeve and the conical bottom cylinder to rotate in the circumferential direction, so that the ice-breaking tooth plate at the bottom end of the conical bottom cylinder forms a rotary cutting force, and then the power mechanism is started to operate, so that the conical bottom cylinder moves downward along the rotating sleeve in the axial direction, realizing the ice drilling action of rotating and pressing downward at the same time;

[0020] T3: after the ice layer is completely penetrated, the water pump is started to pump the wastewater under the ice layer into the water tank;

[0021] T4: after the water tank is filled with water, the water pump is closed, and then the power mechanism is used to reset the conical bottom cylinder upward;

[0022] T5: the wastewater sampling equipment for water pollution detection is adjusted away from the ice surface by the hoisting device, and the wastewater collected in the water tank is discharged into a sample bottle.

[0023] Compared with the related art, the wastewater sampling device and sampling method for water pollution detection provided by the present application have the following beneficial effects:

[0024] The present application provides a wastewater sampling device for water pollution detection, which is characterized by the following technical solutions: a plurality of ice-breaking tooth plates are arranged in a rotationally symmetrical manner at the bottom end of the conical cylinder, and a first motor is arranged to drive the rotation sleeve to rotate the conical cylinder in the circumferential direction; a power mechanism comprising a second motor, a cam and a push-pull arm is arranged to realize the up-and-down movement of the conical cylinder; and the ice-breaking tooth plates can rotate downward to penetrate the ice layer without manual intervention, effectively solving the problems of low efficiency and poor safety caused by manual ice breaking in cold weather in the conventional device, and significantly improving the efficiency of water quality monitoring operations in winter or high-latitude areas.

[0025] The square tube is arranged to slide up and down through the meshing of the first rack and the third gear, and the conical plug at the bottom end of the square tube blocks the bottom opening of the conical cylinder during ice breaking to prevent the broken ice from entering the conical cylinder and freezing the square tube; after the ice layer is broken, the bottom opening is opened for water sample collection, and the sampling depth can be adjusted within a certain range, improving the reliability of the sampling operation and the richness of the sampling level.

[0026] The flash prompt mechanism arranged on the water tank integrates the double prompt functions of the strobe light and the reflector rod; the float moves the second sliding rod as the water level rises, causing the first conductive block to contact the second conductive block and trigger the strobe light, forming dynamic light changes; at the same time, the transmission of the second rack, the fourth gear and the cogwheel causes the reflector rod to change from a horizontal state to a vertical state, forming a morphological change prompt, achieving multi-dimensional visual signal prompting, avoiding the limitations of single prompting methods in complex environments, and facilitating operators to judge the state of the water tank in a timely manner.

[0027] The present application provides a wastewater sampling method for water pollution detection, which is characterized by the following technical solutions: the above-mentioned wastewater sampling device for water pollution detection is used to collect sewage from an icy water area, which can quickly complete the ice breaking operation and realize efficient and automatic operation, and has the advantages of efficient and convenient sewage collection. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 The present application provides a wastewater sampling device for water pollution detection, which is characterized by the following technical solutions: a plurality of ice-breaking tooth plates are arranged in a rotationally symmetrical manner at the bottom end of the conical cylinder, and a first motor is arranged to drive the rotation sleeve to rotate the conical cylinder in the circumferential direction; a power mechanism comprising a second motor, a cam and a push-pull arm is arranged to realize the up-and-down movement of the conical cylinder; and the ice-breaking tooth plates can rotate downward to penetrate the ice layer without manual intervention, effectively solving the problems of low efficiency and poor safety caused by manual ice breaking in cold weather in the conventional device, and significantly improving the efficiency of water quality monitoring operations in winter or high-latitude areas.

[0029] Figure 2 The present application provides a wastewater sampling device for water pollution detection, which is characterized by the following technical solutions: a plurality of ice-breaking tooth plates are arranged in a rotationally symmetrical manner at the bottom end of the conical cylinder, and a first motor is arranged to drive the rotation sleeve to rotate the conical cylinder in the circumferential direction; a power mechanism comprising a second motor, a cam and a push-pull arm is arranged to realize the up-and-down movement of the conical cylinder; and the ice-breaking tooth plates can rotate downward to penetrate the ice layer without manual intervention, effectively solving the problems of low efficiency and poor safety caused by manual ice breaking in cold weather in the conventional device, and significantly improving the efficiency of water quality monitoring operations in winter or high-latitude areas. Figure 1 The present application provides a wastewater sampling device for water pollution detection, which is characterized by the following technical solutions: a plurality of ice-breaking tooth plates are arranged in a rotationally symmetrical manner at the bottom end of the conical cylinder, and a first motor is arranged to drive the rotation sleeve to rotate the conical cylinder in the circumferential direction; a power mechanism comprising a second motor, a cam and a push-pull arm is arranged to realize the up-and-down movement of the conical cylinder; and the ice-breaking tooth plates can rotate downward to penetrate the ice layer without manual intervention, effectively solving the problems of low efficiency and poor safety caused by manual ice breaking in cold weather in the conventional device, and significantly improving the efficiency of water quality monitoring operations in winter or high-latitude areas.

[0030] Figure 3 The present application provides a wastewater sampling device for water pollution detection, which is characterized by the following technical solutions: a plurality of ice-breaking tooth plates are arranged in a rotationally symmetrical manner at the bottom end of the conical cylinder, and a first motor is arranged to drive the rotation sleeve to rotate the conical cylinder in the circumferential direction; a power mechanism comprising a second motor, a cam and a push-pull arm is arranged to realize the up-and-down movement of the conical cylinder; and the ice-breaking tooth plates can rotate downward to penetrate the ice layer without manual intervention, effectively solving the problems of low efficiency and poor safety caused by manual ice breaking in cold weather in the conventional device, and significantly improving the efficiency of water quality monitoring operations in winter or high-latitude areas. Figure 1 The present application provides a wastewater sampling device for water pollution detection, which is characterized by the following technical solutions: a plurality of ice-breaking tooth plates are arranged in a rotationally symmetrical manner at the bottom end of the conical cylinder, and a first motor is arranged to drive the rotation sleeve to rotate the conical cylinder in the circumferential direction; a power mechanism comprising a second motor, a cam and a push-pull arm is arranged to realize the up-and-down movement of the conical cylinder; and the ice-breaking tooth plates can rotate downward to penetrate the ice layer without manual intervention, effectively solving the problems of low efficiency and poor safety caused by manual ice breaking in cold weather in the conventional device, and significantly improving the efficiency of water quality monitoring operations in winter or high-latitude areas.

[0031] Figure 4 The present application provides a wastewater sampling device for water pollution detection, which is characterized by the following technical solutions: a plurality of ice-breaking tooth plates are arranged in a rotationally symmetrical manner at the bottom end of the conical cylinder, and a first motor is arranged to drive the rotation sleeve to rotate the conical cylinder in the circumferential direction; a power mechanism comprising a second motor, a cam and a push-pull arm is arranged to realize the up-and-down movement of the conical cylinder; and the ice-breaking tooth plates can rotate downward to penetrate the ice layer without manual intervention, effectively solving the problems of low efficiency and poor safety caused by manual ice breaking in cold weather in the conventional device, and significantly improving the efficiency of water quality monitoring operations in winter or high-latitude areas. Figure 1Structure diagram of the conical bottom cylinder shown in the figure;

[0032] Figure 5 As shown in the figure, the conical bottom cylinder is provided with a plurality of ice-breaking tooth plates; Figure 4 Structure diagram of the part shown in the figure;

[0033] Figure 6 As shown in the figure, the conical bottom cylinder is provided with a plurality of ice-breaking tooth plates; Figure 1 Partial sectional view of the conical bottom cylinder shown in the figure;

[0034] Figure 7 As shown in the figure, the conical bottom cylinder is provided with a plurality of ice-breaking tooth plates; Figure 6 Sectional view of the square tube shown in the figure;

[0035] Figure 8 As shown in the figure, the conical bottom cylinder is provided with a plurality of ice-breaking tooth plates; Figure 5 Mechanism diagram of the cleaning pipe anti-falling mechanism shown in the figure;

[0036] Figure 9 As shown in the figure, the conical bottom cylinder is provided with a plurality of ice-breaking tooth plates; Figure 1 Connection diagram of the water pump and the water tank shown in the figure;

[0037] Figure 10 As shown in the figure, the conical bottom cylinder is provided with a plurality of ice-breaking tooth plates; Figure 9 Sectional view of the water tank shown in the figure;

[0038] Figure 11 As shown in the figure, the conical bottom cylinder is provided with a plurality of ice-breaking tooth plates; Figure 10 Structure diagram of the flash prompting mechanism shown in the figure.

[0039] Figure mark:

[0040] 1, support table; 2, rotating sleeve; 3, conical bottom cylinder; 4, ice-breaking tooth plate; 5, square tube; 6, first gear; 7, first motor; 8, second gear; 9, outer sleeve plate; 10, support arm; 11, fixed shaft; 12, support pile; 13, second motor; 14, cam; 15, push-pull arm; 16, hose; 17, water pump; 18, water tank; 19, fixed tube; 20, connecting tube; 21, discharge pipe; 22, first rack; 23, door-shaped support; 24, third motor; 25, third gear; 26, conical plug; 27, supporting tube; 28, cleaning pipe anti-falling mechanism; 29, flash prompting mechanism; 281, fixed plate; 282, first sliding rod; 283, clamping block; 284, spring; 285, handle; 291, flash lamp; 292, second sliding rod; 293, floating block; 294, first conductive block; 295, L-shaped support frame; 296, second conductive block; 297, fixed frame; 298, fourth gear; 299, residual gear; 2910, reflecting rod; 2911, second rack. DETAILED DESCRIPTION

[0041] The application will be further described below in conjunction with the drawings and embodiments.

[0042] First embodiment

[0043] Please refer to Figures 1-11 In the first embodiment of the present application, a wastewater sampling device for water pollution detection is provided, which comprises a support table 1, the bottom end of the four supporting legs of the support table 1 is welded with a gasket for increasing the supporting area, a rotating sleeve 2 is rotatably installed on the support table 1, the rotating sleeve 2 is rotatably connected with the support table 1 through a bearing, in addition, two annular plates are fixedly sleeved on the outer wall of the rotating sleeve 2, the two annular plates are located above and below the support table 1 respectively, a plurality of rolling balls in annular array are movably embedded on the two annular plates, the rolling balls are in contact with the support table 1, a conical bottom cylinder 3 is penetratingly and slidably installed in the rotating sleeve 2, a plurality of limiting sliding grooves are formed on the inner wall of the rotating sleeve 2, a plurality of limiting sliding strips are integrally formed on the outer wall of the conical bottom cylinder 3, the plurality of limiting sliding strips are located in the plurality of limiting sliding grooves respectively and are slidably connected with the inner walls of the corresponding limiting sliding grooves, through the cooperation of the limiting sliding strips and the limiting sliding grooves, the conical bottom cylinder 3 can only axially slide relative to the rotating sleeve 2, when the rotating sleeve 2 rotates, it is ensured that the torque of the rotating sleeve 2 can be effectively transmitted to the conical bottom cylinder 3 to realize synchronous rotation, a plurality of ice-breaking tooth plates 4 in rotational symmetry are welded at the bottom end position of the conical bottom cylinder 3, a first gear 6 is fixedly sleeved on the outer wall of the rotating sleeve 2, a first motor 7 is fixedly installed on the top of the support table 1, a second gear 8 is fixedly sleeved on the output end of the first motor 7, the first gear 6 is engaged with the second gear 8, a power mechanism for driving the conical bottom cylinder 3 to move up and down is installed on the top of the support table 1, the power mechanism comprises an outer sleeve plate 9, the outer sleeve plate 9 is rotatably sleeved on the outer wall of the conical bottom cylinder 3, when the first motor 7 operates, it drives the rotating sleeve 2 to rotate, so that the conical bottom cylinder 3 rotates with the rotating sleeve 2, in the process of rotation, the conical bottom cylinder 3 is driven by the power mechanism to move downward, so that the conical bottom cylinder 3 can rotate downward while drilling ice;

[0044] A square tube 5 is arranged in the conical bottom cylinder 3, a hose 16 is fixedly installed at the top end of the square tube 5, a water pump 17 and a water tank 18 are fixedly installed on the top of the support table 1, a fixed pipe 19 is fixedly installed at the water inlet of the water pump 17, the top end of the fixed pipe 19 is fixedly connected with the bottom end of the hose 16, a connecting pipe 20 is fixedly installed at the water outlet of the water pump 17, the other end of the connecting pipe 20 is fixedly connected with the top of the water tank 18, after drilling ice, the water pump 17 is started to operate, the sewage under the ice layer can be pumped into the water tank 18 through the square tube 5, a discharge pipe 21 is fixedly installed on the water tank 18, a water valve is installed on the discharge pipe 21, for discharging the collected sewage in the water tank 18;

[0045] An outer protection frame is fixedly installed on the top of the support table 1, four lifting rings are fixedly installed on the top of the outer protection frame, through the hoisting equipment and the help of lifting ropes, the wastewater sampling device can be hoisted to the ice surface of the river to be detected.

[0046] The power mechanism further comprises two support arms 10, a support column 12 and a second motor 13 in the embodiment. The two support arms 10 are fixedly installed on the top of the sleeve plate 9, and a same fixed shaft 11 is fixedly installed between the two support arms 10. The support column 12 is fixedly installed on the top of the support table 1. The second motor 13 is fixedly installed on the support column 12. The output end of the second motor 13 is fixedly sleeved with a cam 14. One end of a push-pull arm 15 is rotatably installed on the cam 14. The other end of the push-pull arm 15 is rotatably sleeved on the fixed shaft 11.

[0047] In order to allow the square tube 5 to adjust the position in the vertical direction to adapt to different sampling depths, the square tube 5 penetrates through the fixed shaft 11 and is in sliding connection with the fixed shaft 11 in the embodiment. A first rack 22 is fixedly installed on the side outer wall of the square tube 5 away from the water tank 18. A door-shaped support 23 is fixedly installed on the top of the sleeve plate 9. A third motor 24 is fixedly installed on the top of the door-shaped support 23. A third gear 25 is fixedly installed on the output end of the third motor 24. The third gear 25 is in engagement with the first rack 22. When the third motor 24 is started, the third gear 25 drives the first rack 22 to move, so that the square tube 5 slides up and down. The conical plug 26 mentioned below moves with the square tube 5, and the opening state of the bottom opening of the conical bottom cylinder 3 can be adjusted.

[0048] In the embodiment, a conical plug 26 located below the conical bottom cylinder 3 is fixedly installed at the bottom end of the square tube 5. The conical plug 26 is used to block the bottom opening of the conical bottom cylinder 3 during the ice breaking process. Water inlets are formed in the two side outer walls of the square tube 5 and close to the bottom end position. When the ice breaking toothed plate 4 rotates and cuts into the ice layer, the conical plug 26 continuously presses and seals the bottom opening of the conical bottom cylinder 3. After the ice layer is completely broken, the conical plug 26 moves downward with the square tube 5 away from the bottom opening of the conical plug 26. At this time, water enters the square tube 5 through the two side inlets. The water pump 17 sends the water sample to the water tank 18 through the hose 16.

[0049] In this embodiment, in order to facilitate the injection of clean water into the conical bottom cylinder 3, a supporting arm 10 close to the supporting pile 12 is fixedly installed with a supporting pipe 27, the supporting pipe 27 is provided with a cleaning pipe anti-dropping mechanism 28, the supporting arm 10 is provided with a cleaning pipe supporting hole in communication with the supporting pipe 27, the front end of the cleaning pipe is passed through the supporting pipe 27 and the cleaning pipe supporting hole, and then enters the conical bottom cylinder 3 downward, the cleaning pipe is fixed by the cleaning pipe anti-dropping mechanism 28 to prevent the cleaning pipe from slipping off, specifically, the cleaning pipe anti-dropping mechanism 28 comprises a fixed plate 281, two first sliding rods 282, a clamping block 283 and two springs 284, the bottom of the supporting pipe 27 is provided with a mounting sliding opening, the clamping block 283 is slidingly installed in the mounting sliding opening, the top of the clamping block 283 is provided with an arc-shaped clamping opening, the arc-shaped clamping opening is fixedly installed with an arc-shaped rubber pad, the fixed plate 281 is fixedly installed on the supporting arm 10, the two first sliding rods 282 are both penetratingly and slidingly installed on the fixed plate 281, the top ends of the two first sliding rods 282 are both fixedly connected with the bottom of the clamping block 283, the bottom ends of the two first sliding rods 282 are fixedly installed with a same handle 285, the two springs 284 are respectively sleeved on the outer sides of the two first sliding rods 282, the top ends of the two springs 284 are both fixedly connected with the bottom of the clamping block 283, and the bottom ends are both fixedly connected with the top of the fixed plate 281, the handle 285 is pulled downward to drive the first sliding rod 282 to slide, the spring 284 is compressed, the clamping block 283 is moved downward to form an opening space, the handle 285 is released after the cleaning pipe is inserted into the supporting pipe 27, the spring 284 pushes the clamping block 283 to reset upward, the friction force between the clamping block 283 and the surface of the cleaning pipe is utilized to realize the anti-dropping fixing, and the cleaning pipe is prevented from falling off due to external force.

[0050] In this embodiment, the water tank 18 is also provided with a flash prompting mechanism 29, which comprises a flash lamp 291, a second sliding rod 292, a float 293, a first conductive block 294, an L-shaped support frame 295 and a second conductive block 296. The flash lamp 291 is fixedly installed on the top of the water tank 18. The second sliding rod 292 is slidingly installed on the top of the water tank 18. The float 293 is arranged in the water tank 18. The float 293 is a floating body with a density less than water, specifically a foamed polypropylene material, which has good chemical corrosion resistance. The bottom end of the second sliding rod 292 extends into the water tank 18. The top of the float 293 is fixedly installed with a connecting plate. The bottom end of the second sliding rod 292 is fixedly connected with the connecting plate. The connecting plate and the second sliding rod 292 are both made of polytetrafluoroethylene material, which has strong chemical stability and also has good acid and alkali corrosion resistance. The first conductive block 294 is fixedly installed on the top end of the second sliding rod 292. The L-shaped support frame 295 is fixedly installed on the top of the water tank 18. The second conductive block 296 is fixedly installed on the bottom of the horizontal part of the L-shaped support frame 295, and is located directly above the first conductive block 294. The first conductive block 294 and the second conductive block 296 are metal components with conductive contact function, and constitute a “normally open point”, which is connected in series in the power supply circuit of the flash lamp 291. When the two are in contact, a closed circuit is formed to trigger the flash lamp 291 to work, so that the operator can directly judge the information that the sewage in the water tank 18 is full.

[0051] In this embodiment, the flash prompting mechanism 29 further comprises a fixing frame 297, a fourth gear 298, a residual gear 299, a reflective rod 2910 and a second rack 2911. The fixing frame 297 is fixedly installed on the top of the water tank 18. The fourth gear 298 and the residual gear 299 are both rotatably installed on the fixing frame 297, and the fourth gear 298 is engaged with the residual gear 299. The reflective rod 2910 is fixedly installed on the residual gear 299. The second rack 2911 is fixedly installed on the outer wall of the second sliding rod 292, and is engaged with the fourth gear 298. The surface of the reflective rod 2910 is pasted with a reflective sticker for enhancing the light reflection effect. When the water level in the water tank 18 rises, the float 293 drives the second sliding rod 292 to move upwards. The second rack 2911 moves synchronously with the second sliding rod 292 and drives the fourth gear 298 to rotate. In the process of rotating, the fourth gear 298 drives the residual gear 299 to rotate, so that the reflective rod 2910 can change from horizontal to vertical, forming a change in shape, and giving the relevant personnel a prompt of the sewage being full. Through the deployment of the above components, multi-dimensional visual prompting is realized, avoiding the limitations of single signal in some scenes (such as not obvious flash in strong light, and difficult to detect static shape in weak light). In the case of failure of the flash lamp 291, the change in shape of the reflective rod 2910 can still give the relevant personnel a prompt of the sewage being full.

[0052] The top of the support table 1 is also fixedly provided with a power box for supplying power to the first motor 7, the second motor 13, the third motor 24, the water pump 17 and other electric equipment. The power box is integrated with a wireless signal receiving module. The module receives wireless signals emitted by a remote controller through a built-in antenna, and transmits control instructions to a relay or an electronic switch in the power box after signal processing and decoding, so as to realize remote start-stop control of the electric equipment. The wireless control scheme adopts existing mature technologies in the field, and the specific circuit structure and control logic are not described again. The remote control technology can be used to remotely control the electric equipment by the operator after the equipment is lifted to the ice surface, so that the operator does not need to approach the equipment, and the convenience and safety of operation are improved.

[0053] In this embodiment:

[0054] The wastewater sampling device is lifted to the ice surface of the river to be detected by the lifting equipment and the four lifting rings at the top of the outer protective frame. The pads at the bottom ends of the four legs of the support table 1 can increase the support area on the ice surface to ensure the stability of the equipment.

[0055] The first motor 7 is started, the second gear 8 at the output end of the first motor 7 drives the first gear 6 engaged therewith to rotate, and the rotating sleeve 2 rotates on the support table 1. The conical bottom cylinder 3 rotates with the rotating sleeve 2 through the cooperation of the limiting slide on the outer wall and the limiting slide way on the inner wall of the rotating sleeve 2. At the same time, the second motor 13 is operated, the cam 14 at the output end of the second motor 13 rotates, the push-pull arm 15 is driven to rotate around the fixed shaft 11, the outer sleeve plate 9 and the conical bottom cylinder 3 are gradually moved downward, the bottom ice-breaking tooth plate 4 rotates and drills downward, the ice layer is broken, and the conical plug 26 seals the bottom opening of the conical bottom cylinder 3 to prevent the broken ice from entering the conical bottom cylinder 3.

[0056] When the ice layer is completely broken, the third motor 24 is started to operate, and the third gear 25 at the output end of the third motor 24 drives the first rack 22 fixed to the outer wall of the square tube 5 to move, so that the square tube 5 slides downward, the conical plug 26 at the bottom end of the square tube 5 moves downward, and the water inlet at the bottom end of the square tube 5 enters the sewage. The water pump 17 is started to operate, and the sewage in the square tube 5 is sucked through the fixed pipe 19 and the hose 16, and then is transported to the water tank 18 through the connecting pipe 20, so that the sewage sampling is completed. As the sewage is continuously pumped into the water tank 18, the water level in the water tank 18 rises, the floating block 293 floats upward with the rising of the water level, and the second sliding rod 292 connected to the top plate of the floating block 293 moves upward. In this process, the second rack 2911 on the outer wall of the second sliding rod 292 moves upward, drives the fourth gear 298 to rotate, and the fourth gear 298 drives the residual gear 299 to rotate, so that the reflective rod 2910 fixed to the residual gear 299 changes from a horizontal state to a vertical state. The reflective sticker on the surface of the reflective rod 2910 enhances the light reflection effect, and forms a morphological change prompt. At the same time, the first conductive block 294 at the top end of the second sliding rod 292 moves upward, and contacts the second conductive block 296 at the bottom of the horizontal part of the L-shaped support frame 295. The "always open point" formed by the two is closed, the power supply circuit of the flash light 291 is formed, and the flash light 291 works, so that multi-dimensional visual prompts are realized, and the operator can intuitively judge that the sewage in the water tank 18 is full, so that the relevant operator can timely close the relevant equipment. After the wastewater sampling device is hoisted to the shore, the valve on the discharge pipe 21 is opened, and the collected sewage can be discharged into the sample bottle.

[0057] Before the next sewage sampling, the entire sewage pumping pipeline can be cleaned by injecting clean water into the conical bottom cylinder 3. During cleaning, the handle 285 of the cleaning pipe anti-falling mechanism 28 is pulled downward, the clamping block 283 moves downward, and an open space is formed in the installation sliding opening of the supporting pipe 27. In this process, the spring 284 is compressed. The front end of the cleaning pipe is inserted into the conical bottom cylinder 3 through the cleaning pipe supporting hole on the supporting pipe 27 and the supporting arm 10, and then is inserted into the conical bottom cylinder 3. After the handle 285 is released, the spring 284 pushes the clamping block 283 to reset upward. The arc-shaped rubber pad in the arc-shaped clamping opening at the top of the clamping block 283 contacts the surface of the cleaning pipe, which can reliably prevent the cleaning pipe from falling off. After the external clean water pump operates, clean water is pumped into the conical bottom cylinder 3. The conical plug 26 seals the bottom opening of the conical bottom cylinder 3, so that the clean water cannot leak out. After the water pump 17 is started to operate, the clean water in the conical bottom cylinder 3 is sequentially pumped into the square tube 5, the hose 16, and then is discharged into the water tank 18 through the connecting pipe 20. After the water tank 18 is full, the discharge pipe 21 is opened to discharge. After several cycles, the residual sewage and residues in the conical bottom cylinder 3, the square tube 5, the hose 16, the water pump 17, and the water tank 18 can be cleaned, so that the influence on the next sewage sampling is avoided.

[0058] Second embodiment:

[0059] In the second embodiment of the present application, a wastewater sampling method for water pollution detection is provided, comprising the following steps:

[0060] T1: hoist the wastewater sampling device for water pollution detection to above the ice surface of the river to be detected by the hoisting device, and slowly lower it to the ice surface;

[0061] T2: start the first motor 7 to drive the rotating sleeve 2 and the conical bottom cylinder 3 to rotate circumferentially, so that the ice-breaking tooth plate 4 at the bottom end of the conical bottom cylinder 3 forms a rotary cutting force, and then start the power mechanism to move the conical bottom cylinder 3 axially downward along the rotating sleeve 2, realizing the ice drilling action of rotating and pressing down the ice-breaking tooth plate 4 at the same time;

[0062] T3: after the ice layer is completely penetrated, start the water pump 17 to pump the sewage under the ice layer into the water tank 18;

[0063] T4: after the water tank 18 is filled with water, close the water pump 17, and then reset the conical bottom cylinder 3 upward through the power mechanism;

[0064] T5: adjust the wastewater sampling device for water pollution detection away from the ice surface by the hoisting device, and discharge the collected sewage in the water tank 18 to the sample bottle.

[0065] The above is only an embodiment of the present application, and does not limit the patent scope of the present application, and any equivalent structure or equivalent process transformation using the content of the specification and drawings, or direct or indirect application in other related technical fields, are also included in the patent protection scope of the present application.

Claims

1. A wastewater sampling device for water pollution detection, comprising a support platform, characterized in that, A rotating sleeve is rotatably mounted on the support platform. A conical-bottomed cylinder is slidably mounted inside the rotating sleeve. Multiple ice-breaking toothed plates distributed in a rotationally symmetrical manner are welded to the bottom of the conical-bottomed cylinder. A first gear is fixedly mounted on the outer wall of the rotating sleeve. A first motor is fixedly mounted on the top of the support platform. A second gear is fixedly mounted on the output end of the first motor. The first gear and the second gear mesh with each other. A power mechanism for driving the conical-bottomed cylinder to move up and down is mounted on the top of the support platform. The power mechanism includes an outer sleeve, which is rotatably mounted on the outer wall of the conical-bottomed cylinder. A square tube is installed inside the conical-bottomed cylinder. A flexible hose is fixedly installed at the top of the square tube. A water pump and a water tank are fixedly installed on the top of the support platform. A fixed pipe is fixedly installed at the inlet of the water pump. The top of the fixed pipe is fixedly connected to the bottom of the flexible hose. A connecting pipe is fixedly installed at the outlet of the water pump. The other end of the connecting pipe is fixedly connected to the top of the water tank. An outer protective frame is fixedly installed on the top of the support platform, and four lifting rings are fixedly installed on the top of the outer protective frame. The power mechanism also includes two support arms, a support pile, and a second motor. The two support arms are fixedly installed on the top of the outer sleeve plate, and the same fixed shaft is fixedly installed between the two support arms. The support pile is fixedly installed on the top of the support platform, and the second motor is fixedly installed on the support pile. A cam is fixedly sleeved on the output end of the second motor. One end of a push-pull arm is rotatably installed on the cam, and the other end of the push-pull arm is rotatably sleeved on the fixed shaft. The square tube passes through the fixed shaft and is slidably connected to the fixed shaft. A first rack is fixedly installed on the outer wall of the square tube away from the water tank. A portal-shaped support is fixedly installed on the top of the outer sleeve plate. A third motor is fixedly installed on the top of the portal-shaped support. A third gear is fixedly installed on the output end of the third motor. The third gear meshes with the first rack. The bottom end of the square tube is fixedly equipped with a conical plug located below the conical bottom cylinder. The conical plug is used to seal the bottom opening of the conical bottom cylinder during the ice-breaking process. Water inlets are provided on both outer walls of the square tube near the bottom.

2. The wastewater sampling equipment for water pollution detection according to claim 1, characterized in that, A support tube is fixedly installed on the support arm near the support pile. The support tube is equipped with a cleaning pipe anti-detachment mechanism. The support arm has a cleaning pipe support hole that communicates with the support tube.

3. The wastewater sampling equipment for water pollution detection according to claim 2, characterized in that, The cleaning tube anti-detachment mechanism includes a fixed plate, two first sliding rods, a clamping block, and two springs. The clamping block is slidably installed inside the support tube. The fixed plate is fixedly installed on the support arm. Both first sliding rods pass through and are slidably installed on the fixed plate. The top ends of both first sliding rods are fixedly connected to the bottom of the clamping block. The bottom ends of both first sliding rods are fixedly installed with the same handle. The two springs are respectively sleeved on the outside of the two first sliding rods. The top ends of both springs are fixedly connected to the bottom of the clamping block, and the bottom ends are fixedly connected to the top of the fixed plate.

4. The wastewater sampling equipment for water pollution detection according to claim 1, characterized in that, The water tank is also equipped with a flashing indicator mechanism, which includes a strobe light, a second sliding rod, a float, a first conductive block, an L-shaped support frame, and a second conductive block. The strobe light is fixedly installed on the top of the water tank, the second sliding rod is slidably installed on the top of the water tank, the float is disposed inside the water tank, the bottom end of the second sliding rod extends into the water tank and is fixedly connected to the float, the first conductive block is fixedly installed on the top of the second sliding rod, the L-shaped support frame is fixedly installed on the top of the water tank, and the second conductive block is fixedly installed at the bottom of the horizontal part of the L-shaped support frame, with the second conductive block located directly above the first conductive block.

5. The wastewater sampling equipment for water pollution detection according to claim 4, characterized in that, The float is made of foamed polypropylene, and a connecting plate is fixedly installed on the top of the float. The bottom end of the second slide rod is fixedly connected to the connecting plate. Both the connecting plate and the second slide rod are made of polytetrafluoroethylene.

6. The wastewater sampling equipment for water pollution detection according to claim 5, characterized in that, The flashing warning mechanism also includes a fixed frame, a fourth gear, a residual gear, a reflector, and a second rack. The fixed frame is fixedly installed on the top of the water tank. The fourth gear and the residual gear are both rotatably installed on the fixed frame, and the fourth gear meshes with the residual gear. The reflector is fixedly installed on the residual gear. The second rack is fixedly installed on the outer wall of the second slide rod, and the second rack meshes with the fourth gear.

7. A wastewater sampling method for water pollution detection, characterized in that, Sampling wastewater from frozen water bodies using the wastewater sampling equipment for water pollution detection as described in any one of claims 1-6 includes the following steps: T1: The wastewater sampling equipment for water pollution testing is hoisted to the ice surface of the river to be tested using lifting equipment, and then slowly lowered to the ice surface; T2: Start the first motor to drive the rotating sleeve and the cone-bottom cylinder to rotate circumferentially, so that the ice-breaking toothed plate at the bottom of the cone-bottom cylinder generates a rotating cutting force. Then start the power mechanism to run, so that the cone-bottom cylinder moves downward along the axis of the rotating sleeve, realizing the ice-breaking action of the ice-breaking toothed plate rotating and pressing down at the same time. T3: After the ice layer is completely penetrated, start the water pump to pump the sewage under the ice layer into the water tank; T4: After the water tank is full, turn off the water pump, and then reset the conical bottom cylinder upwards through the power mechanism; T5: The wastewater sampling equipment for water pollution detection is lifted off the ice surface using a hoisting device, and the wastewater collected in the water tank is discharged into the sample bottle.

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