Detection device for detecting environmental water quality

Abstract

The invention discloses a detection device for environmental water quality detection, and relates to the technical field of water quality detection. The connecting frame is suspended in the equipment box, a driving mechanism connected with the connecting frame is arranged in the equipment box, a plurality of detection probes in electric control connection with the central control assembly are fixedly arranged on the lower portion of the connecting frame, the lifting frame is suspended in the equipment box and located below the detection probes, and a filter screen cylinder matched with the detection probes is arranged below the lifting frame. The lifting frame is provided with a cleaning mechanism connected with the filter screen cylinder, the vertical rod is movably arranged on the lifting frame in a penetrating manner, the vertical rod is movably sleeved with a spring, and the upper end of the spring is connected with the lifting frame, so that grit, floating objects or other impurities in a water body can be filtered and separated from the detection probe, and the influence on the detection of the detection probe is avoided; and the outer side of the filter screen cylinder can be comprehensively cleaned, the cleaning effect on the filter screen cylinder is improved, and meanwhile the operation process is very simple and convenient.

Description

Technical Field

[0001] The present invention relates to the technical field of water quality detection, and in particular to a detection device for environmental water quality detection. Background Art

[0002] Water quality testing is a necessary means to detect the degree of water pollution and analyze the causes of water pollution. It is an important part of environmental protection. Detection equipment is required when testing water quality.

[0003] The invention patent with the patent authorization publication number CN117949283B discloses a detection device for environmental water quality detection, including a shell, wherein a first fixing plate and a second fixing plate are sequentially arranged inside the shell from top to bottom, wherein the first fixing plate and the second fixing plate divide the inside of the shell into a receiving chamber, a filtering chamber and a detection chamber, wherein a placement rack slidably connected to the inner wall of the shell is arranged inside the detection chamber, wherein a plurality of placement ports are evenly arranged inside the placement rack, wherein sample tubes are inserted inside all the placement ports, wherein a plurality of filtering mechanisms for filtering water samples inside the sample tubes are evenly arranged inside the filtering chamber, wherein all the filtering mechanisms are adapted to all the sample tubes, wherein a detection mechanism for detecting water samples inside the sample tubes, a driving mechanism for driving the detection mechanism to move and a lifting mechanism for driving the detection mechanism to rise and fall are arranged inside the receiving chamber, wherein an opening for the placement rack to enter and exit is arranged on one side of the shell, and although the filtering mechanism can be used to filter and separate impurities in the water body during the detection process to avoid adverse effects on the water quality analysis results, the following problems still exist; 1. The detection probe will exert a large force on the arc cover net when it moves downward, which may easily cause damage to the detection probe and the arc cover net; 2. The nozzle cannot fully flush the filter sleeve and the arc cover, so there will be impurities left on the filter sleeve and the arc cover; 3. It is impossible to guide and discharge the cleaned sewage, so that the sewage will directly flow from the cleaning cavity into the detection cavity through the through slot. Summary of the invention

[0004] The purpose of the present invention is to provide a detection device for environmental water quality detection with reasonable design and convenient use in view of the defects and shortcomings of the prior art, so as to solve the above problems.

[0005] To achieve the above purpose, the technical solution adopted by the present invention is: it comprises a test bench, an equipment box and a central control component, the test bench is provided with an equipment box, the equipment box is provided with a central control component, and the bottom wall of the equipment box is provided with several rectangular openings; It also contains: A connecting frame, the connecting frame is suspended in the equipment box, a driving mechanism connected to the connecting frame is arranged in the equipment box, and a plurality of detection probes electrically connected to the central control assembly are fixedly arranged at the lower part of the connecting frame; A lifting frame, wherein the lifting frame is suspended in the equipment box below the detection probe, the lower part of the connecting frame is arranged in a matching and abutting manner with the lifting frame, a filter screen cylinder matching the detection probe is arranged below the lifting frame, a cleaning mechanism connected to the filter screen cylinder is arranged on the lifting frame, and a closed drainage mechanism is arranged at the bottom of the equipment box; Vertical rods, there are several vertical rods, which are respectively fixedly arranged on the front and rear sides of the bottom wall of the equipment box between several adjacent rectangular openings, and the vertical rods are movably inserted into the lifting frame. A spring is movably sleeved on the vertical rods, and the upper end of the spring is connected to the lifting frame; Through the above technical scheme, the driving mechanism can drive the detection probe to move up and down through the connecting frame to realize the detection of water quality. During the detection process, the filter cylinder can filter impurities in the water to avoid affecting the detection of the detection probe. After the water quality detection is completed, the cleaning mechanism can be used to comprehensively clean the outside of the filter cylinder, and the clean sewage can be discharged through the closed drainage mechanism to avoid the clean sewage from dripping at will.

[0006] Preferably, the driving mechanism comprises: A bidirectional lead screw, which is rotatably arranged in the equipment box through a bearing, and a No. 1 motor is fixedly arranged on the right wall of the equipment box, the No. 1 motor is electrically connected to the central control component, and the output shaft of the No. 1 motor is connected to the bidirectional lead screw; Nuts, there are two nuts, both of which are rotatably sleeved on the bidirectional lead screw through threads, cross bars are fixedly arranged on the front and rear sides of the nuts, a connecting rod is rotatably connected to the cross bar through a bearing, and the lower end of the connecting rod is hinged to the connecting frame; Through the above technical solution, motor No. 1 can drive the bidirectional screw to rotate, so that the two nuts move in opposite directions synchronously, changing the inclination angle of the connecting rod, thereby realizing the up and down movement of the connecting frame. When the connecting frame collides with the lifting frame and makes the lifting frame move downward synchronously, the detection probe will be inserted into the filter cylinder, but will not conflict with the inner wall of the filter cylinder, thereby avoiding damage to the detection probe due to force.

[0007] Preferably, slide rails are fixedly provided on the front and rear inner walls of the equipment box, and a slide table is slidably provided on the slide rails. The slide table is rotatably connected to the end of the cross bar through a bearing. The sliding of the slide table on the slide rails can provide auxiliary guidance for the left and right movement of the cross bar, making the movement of the cross bar more stable.

[0008] Preferably, the cleaning mechanism comprises: No. 2 motor, the No. 2 motor is fixedly arranged on the lifting frame, the No. 2 motor is electrically connected to the central control assembly, a worm is fixedly arranged on the output shaft of the No. 2 motor, the worm is rotatably arranged in the lifting frame through a bearing, a plurality of rotating shafts are rotatably arranged in the lifting frame through bearings, and a worm wheel meshing with the worm is fixedly sleeved on the rotating shaft; Rotating rings, there are several rotating rings, which are respectively fixedly arranged on the upper parts of several filter screen cylinders, and the rotating rings are rotatably arranged in the through openings opened on the lifting frame through bearings, and a No. 1 gear is fixedly sleeved on the rotating rings; The second gear includes a plurality of second gears, which are fixedly sleeved on a plurality of rotating shafts, and the second gears are meshed with the first gears on the front and rear sides; Fixed rods, there are several fixed rods, all of which are fixedly arranged at the lower part of the lifting frame and located between the filter screen cylinders on the front and rear sides, and several nozzles are fixedly arranged on the front and rear sides of the fixed rods; Through the above technical solution, the No. 2 motor can drive the worm to rotate, so that the worm wheel drives the No. 2 gear to rotate through the rotating shaft, and the No. 2 gear drives the rotating circle to rotate by meshing with the No. 1 gear. The rotating circle drives the filter cylinder to rotate, so that the cleaning water sprayed by the nozzle can comprehensively clean the outside of the filter cylinder.

[0009] Preferably, a water scraper ring cooperating with the detection probe is fixedly arranged in the rotating circle. When the detection probe is moved upward out of the filter cylinder, the water scraper ring can scrape off the water on the detection probe to avoid affecting the accuracy of the detection data in the subsequent water quality detection process.

[0010] Preferably, the closed drainage mechanism comprises: A guide box, wherein the guide boxes are several and are respectively slidably arranged at the lower positions of the several rectangular openings through a slide rail pair, and the front and rear sides of the several adjacent guide boxes are connected by connecting rods, and a synchronous linkage mechanism connected to the guide boxes is provided in the equipment box; A drainage pipe, the drainage pipe is fixedly arranged on the rear side of the bottom wall of the equipment box, and a plurality of interpenetrating hoses are fixedly arranged on the drainage pipe, and one end of the hose is interpenetratingly connected to the guide box; Through the above technical solution, during the cleaning process of the filter cylinder, the diversion box can close the rectangular opening. At this time, the clean sewage in the equipment box can be discharged through the diversion box, hose and drain pipe, avoiding the clean sewage from dripping directly from the rectangular opening to the inspection table.

[0011] Preferably, the synchronous linkage mechanism comprises: Guide frames, the guide frames are two in number, fixedly arranged on the left and right inner walls of the equipment box respectively, and a movable block is movably sleeved on the guide frames, and one side wall of the movable block is connected to the connecting frame; Rotating rods, there are two rotating rods, which are rotatably arranged on the upper and lower sides of the left guide frame through bearings respectively, and the two rotating rods are connected through pulleys and belt transmission. A third gear is fixedly sleeved on the upper rotating rod, and a rack meshing with the third gear is fixedly arranged on the movable block on the left; A guide rod, which is rotatably inserted on the right side of the left guide frame through a bearing, and is located below the equipment box, and one end of the guide rod is transmission-connected to the rotating rod below through a bevel gear pair; A moving cylinder, wherein the moving cylinder is movably sleeved on the guide rod, a guide block is fixedly arranged in the moving cylinder, and the guide block is movably arranged in a spiral guide groove provided on the guide rod, and the right end of the moving cylinder is connected to the guide box on the left side; Through the above technical solution, when the lifting frame drives the movable block to move downward, the rack can drive the upper rotating rod to rotate through the No. 3 gear, and utilize the transmission of the pulley and the belt to make the lower rotating rod rotate synchronously, and then utilize the transmission of the bevel gear pair to drive the guide rod to rotate. Through the movement of the guide block in the spiral guide groove, the movable cylinder can be driven to move to the left, and the movable cylinder drives the guide box to move to the left to open the rectangular opening, thereby avoiding obstruction of the guide box when the filter cylinder and the detection probe are moved out of the equipment box.

[0012] Preferably, baffles are fixedly provided on both left and right sides of the bottom of the equipment box, and the side walls of the baffles are fixedly connected to the testing table, so that objects such as test tubes placed on the testing table can be prevented from falling from the left and right sides.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. Through the coordination of the connecting frame, lifting frame, driving mechanism, vertical rod and spring, not only can the lifting and lowering of the detection probe and the filter cylinder be realized to filter the sand, floating objects or other impurities in the water body to avoid affecting the detection of the detection probe, but also can prevent the detection probe from contacting with the filter cylinder and generating a large force to cause damage; 2. The cleaning mechanism can be used to fully rinse and clean the outside of the filter cylinder to avoid impurities remaining on the filter cylinder, and the cleaned sewage can be discharged through the closed drainage mechanism; 3. When the connecting frame drives the detection probe to move up and down, the guide box can be moved in a linked manner to the left and right through the cooperation of the synchronous linkage mechanism, thereby improving the convenience of the detection device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural schematic diagram of the present invention.

[0015] Figure 2 It is a structural schematic diagram of the equipment box in the present invention.

[0016] Figure 3It is a cross-sectional view of the equipment box in the present invention.

[0017] Figure 4 yes Figure 3 Enlarged view of part A in .

[0018] Figure 5 It is a cross-sectional view of the connecting frame in the present invention.

[0019] Figure 6 yes Figure 5 Enlarged view of part B in .

[0020] Figure 7 It is an exploded view of the parts of the synchronous linkage mechanism in the present invention.

[0021] Description of reference numerals: Test bench 1, equipment box 2, central control component 3, rectangular opening 4, connecting frame 5, driving mechanism 6, bidirectional screw 6-1, No. 1 motor 6-2, nut 6-3, cross bar 6-4, connecting rod 6-5, detection probe 7, closed drainage mechanism 8, guide box 8-1, connecting rod 8-2, drainage pipe 8-3, hose 8-4, lifting frame 9, filter cylinder 10, cleaning mechanism 11, No. 2 motor 11-1, worm 11-2, worm gear 11-3, rotating Ring 11-4, No. 1 gear 11-5, No. 2 gear 11-6, fixed rod 11-7, nozzle 11-8, rotating shaft 11-9, vertical rod 12, spring 13, slide rail 14, slide table 15, synchronous linkage mechanism 16, guide frame 16-1, movable block 16-2, rotating rod 16-3, No. 3 gear 16-4, rack 16-5, guide rod 16-6, moving cylinder 16-7, guide block 16-8, wiper ring 17, baffle 18. DETAILED DESCRIPTION

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Embodiment 1: like Figure 1-Figure 7 As shown, this embodiment comprises a test bench 1, an equipment box 2 and a central control assembly 3. The test bench 1 is provided with an equipment box 2, and the equipment box 2 is provided with a central control assembly 3. A plurality of rectangular openings 4 are provided on the bottom wall of the equipment box 2. Baffles 18 are fixedly provided on both left and right sides of the bottom of the equipment box 2 by bolts, and the side walls of the baffles 18 are fixedly connected to the test bench 1 by bolts. The baffles 18 can prevent items such as test tubes placed on the test bench 1 from falling from the left and right sides. It also contains: A connecting frame 5, the connecting frame 5 is suspended in the equipment box 2, a driving mechanism 6 connected to the connecting frame 5 is provided in the equipment box 2, and a plurality of detection probes 7 electrically connected to the central control component 3 are fixedly provided at the lower part of the connecting frame 5 by bolts; A lifting frame 9 is suspended in the equipment box 2 and located below the detection probe 7. The lower part of the connecting frame 5 is matched with the lifting frame 9 and is set in abutment with it. A filter screen cylinder 10 matched with the detection probe 7 is provided below the lifting frame 9. A cleaning mechanism 11 connected with the filter screen cylinder 10 is provided on the lifting frame 9. A closed drainage mechanism 8 is provided at the bottom of the equipment box 2. A plurality of vertical rods 12 are fixedly provided on the inner bottom wall of the equipment box 2 at the front and rear sides between the plurality of adjacent rectangular openings 4 by bolts, and the vertical rods 12 are movably provided on the lifting frame 9, and a spring 13 is movably sleeved on the vertical rods 12, and the upper end of the spring 13 is connected to the lifting frame 9; The driving mechanism 6 comprises: A bidirectional lead screw 6-1 is rotatably arranged in the equipment box 2 through a bearing, and a No. 1 motor 6-2 is fixedly arranged on the right side wall of the equipment box 2 by bolts, and the No. 1 motor 6-2 is electrically connected to the central control component 3, and the output shaft of the No. 1 motor 6-2 is connected to the bidirectional lead screw 6-1; Nut 6-3, there are two nuts 6-3, both of which are rotatably sleeved on the bidirectional lead screw 6-1 through threads, cross bars 6-4 are fixedly arranged on the front and rear sides of the nut 6-3, and slide rails 14 are fixedly arranged on the front and rear inner walls of the equipment box 2 through bolts, and a slide table 15 is slidably arranged on the slide rail 14, and the slide table 15 is rotatably connected to the end of the cross bar 6-4 through a bearing. The sliding of the slide table 15 on the slide rail 14 can provide auxiliary guidance for the left and right movement of the cross bar 6-4, so that the movement of the cross bar 6-4 is more stable, and a connecting rod 6-5 is rotatably connected to the cross bar 6-4 through a bearing, and the lower end of the connecting rod 6-5 is connected to the cross bar 6-4. The connecting frame 5 is hinged, and the No. 1 motor 6-2 can drive the bidirectional lead screw 6-1 to rotate, so that the two nuts 6-3 move in opposite directions synchronously, and change the inclination angle of the connecting rod 6-5, so as to realize the up and down movement of the connecting frame 5. When the connecting frame 5 conflicts with the lifting frame 9 and causes the lifting frame 9 to move downward synchronously, the detection probe 7 will be inserted into the filter screen cylinder 10, but will not conflict with the inner wall of the filter screen cylinder 10, which can not only avoid the detection probe 7 from being damaged by force, but also the filter screen cylinder 10 can filter gravel, floating objects or other impurities in the water body, and avoid the detection probe 7 being affected by impurities and causing abnormal detection data; Embodiment 2:

[0024] See also Figure 5 and Figure 6 As shown, the cleaning mechanism 11 is further defined based on the embodiment 1, and the cleaning mechanism 11 comprises: No. 2 motor 11-1, the No. 2 motor 11-1 is fixedly arranged on the lifting frame 9 by bolts, the No. 2 motor 11-1 is electrically connected to the central control component 3, a worm 11-2 is fixedly arranged on the output shaft of the No. 2 motor 11-1, the worm 11-2 is rotatably arranged in the lifting frame 9 through a bearing, a plurality of rotating shafts 11-9 are rotatably arranged in the lifting frame 9 through a bearing, and a worm wheel 11-3 meshing with the worm 11-2 is fixedly sleeved on the rotating shaft 11-9; Rotating ring 11-4, there are several rotating rings 11-4, which are respectively fixedly arranged on the upper parts of several filter screen cylinders 10 by bolts, and the rotating ring 11-4 is rotatably arranged in the through-hole opened on the lifting frame 9 through the bearing, and a water scraper ring 17 cooperating with the detection probe 7 is fixedly arranged in the rotating ring 11-4. When the detection probe 7 is moved upward out of the filter screen cylinder 10, the water scraper ring 17 can scrape off the water on the detection probe 7 to avoid affecting the accuracy of the detection data in the subsequent water quality detection process. A No. 1 gear 11-5 is fixedly sleeved on the rotating ring 11-4; The second gear 11-6 is a plurality of gears 11-6, which are respectively fixedly sleeved on the plurality of rotating shafts 11-9, and the second gear 11-6 is meshed with the first gear 11-5 on the front and rear sides; There are several fixing rods 11-7, all of which are fixed by bolts at the lower part of the lifting frame 9 and located between the front and rear filter screen cylinders 10. Several nozzles 11-8 are fixedly arranged on the front and rear sides of the fixing rod 11-7. The No. 2 motor 11-1 can drive the worm 11-2 to rotate, so that the worm wheel 11-3 drives the No. 2 gear 11-6 to rotate through the rotating shaft 11-9. The No. 2 gear 11-6 drives the rotating circle 11-4 to rotate by meshing with the No. 1 gear 11-5. The rotating circle 11-4 drives the filter screen cylinder 10 to rotate, so that the cleaning water sprayed by the nozzle 11-8 can comprehensively clean the outside of the filter screen cylinder 10.

[0025] Embodiment 3: See also Figure 1 , Figure 3 , Figure 4 and Figure 7 As shown, the closed drainage mechanism 8 and the synchronous linkage mechanism 16 are further limited on the basis of Example 1, and the closed drainage mechanism 8 includes: A guide box 8-1, wherein the guide boxes 8-1 are several in number, and are respectively slidably arranged at the lower positions of the several rectangular openings 4 through a slide rail pair, and the front and rear sides of the several adjacent guide boxes 8-1 are connected by a connecting rod 8-2, and a synchronous linkage mechanism 16 connected to the guide box 8-1 is provided in the equipment box 2; Drain pipe 8-3, the drain pipe 8-3 is fixedly arranged on the rear side of the bottom wall of the equipment box 2 by bolts and brackets, and a plurality of intersecting hoses 8-4 are fixedly arranged on the drain pipe 8-3, one end of the hose 8-4 is intersectingly connected with the guide box 8-1, and during the cleaning process of the filter screen cylinder 10, the guide box 8-1 can close the rectangular opening 4, and at this time, the clean sewage in the equipment box 2 can be discharged through the guide box 8-1, the hose 8-4 and the drain pipe 8-3, so as to prevent the clean sewage from directly dripping downward from the rectangular opening 4 onto the detection table 1; The synchronous linkage mechanism 16 comprises: Guide frames 16-1, there are two guide frames 16-1, which are respectively fixed on the left and right inner walls of the equipment box 2 by bolts, and a movable block 16-2 is movably sleeved on the guide frame 16-1, and one side wall of the movable block 16-2 is connected to the connecting frame 5; Rotating rods 16-3, there are two rotating rods 16-3, which are rotatably arranged on the upper and lower sides of the left guide frame 16-1 through bearings, and the two rotating rods 16-3 are connected through pulleys and belt transmission. A third gear 16-4 is fixedly sleeved on the upper rotating rod 16-3, and a rack 16-5 meshing with the third gear 16-4 is fixedly arranged on the left movable block 16-2; A guide rod 16-6, which is rotatably inserted on the right side of the left guide frame 16-1 through a bearing, and is located below the equipment box 2, and one end of the guide rod 16-6 is transmission-connected to the rotating rod 16-3 below through a bevel gear pair; The movable cylinder 16-7 is movably sleeved on the guide rod 16-6, and a guide block 16-8 is fixedly arranged in the movable cylinder 16-7 by bolts. The guide block 16-8 is movably arranged in the spiral guide groove opened on the guide rod 16-6. The right end of the movable cylinder 16-7 is fixedly connected with the guide box 8-1 on the left side by bolts. When the lifting frame 9 drives the movable block 16-2 downward to move, the rack 16-5 can drive the upper rotating rod 16-3 to rotate through the third gear 16-4, and use the transmission of the pulley and the belt to make the lower rotating rod 16-3 rotate synchronously, and then use the transmission of the bevel gear pair to drive the guide rod 16-6 to rotate, and through the movement of the guide block 16-8 in the spiral guide groove, the movable cylinder 16-7 can be driven to move to the left side, and the movable cylinder 16-7 drives the guide box 8-1 to move to the left side to open the rectangular opening 4, so as to avoid the guide box 8-1 from being blocked when the filter cylinder 10 and the detection probe 7 are moved out of the equipment box 2.

[0026] When using the present invention, a test tube containing a water sample is placed on the detection table 1, and then the No. 1 motor 6-2 is started. The No. 1 motor 6-2 drives the bidirectional lead screw 6-1 to rotate, so that the nuts 6-3 on the left and right sides move synchronously in opposite directions and away from each other, and through the cooperation of the cross bar 6-4 and the connecting rod 6-5, the connecting frame 5 is driven to move downward, the connecting frame 5 drives the movable block 16-2 to move downward, the movable block 16-2 drives the rack 16-5 to move downward, the rack 16-5 drives the No. 3 gear 16-4 to rotate, and the No. 3 gear 16-4 drives the upper rotating rod 16-3 to rotate, and the two rotating rods 16-3 are rotated synchronously by the transmission of the pulley and the belt, and the guide rod 16-6 is driven to rotate by the transmission of the bevel gear pair. , so that the guide block 16-8 moves to the left in the spiral guide groove, and the guide block 16-8 drives the left guide box 8-1 to move to the left through the moving cylinder 16-7, and uses the connecting rod 8-2 to drive the other guide boxes 8-1 to move to the left synchronously, thereby opening the rectangular opening 4, and when the connecting frame 5 and the lifting frame 9 collide, the detection probe 7 will also be inserted into the filter screen cylinder 10, and then the connecting frame 5 can drive the lifting frame 9 to move downward synchronously to compress the spring 13, when the lifting frame 9 drives the filter screen cylinder 10 downward through the rectangular opening 4 and inserts into the test tube, the filter screen cylinder 10 can filter the sand, floating objects or other impurities in the water sample and separate them from the detection probe 7, and at this time the detection probe 7 can detect the water sample in the filter screen cylinder 10; After the detection is completed, the bidirectional lead screw 6-1 is driven by the No. 1 motor 6-2 to rotate in the opposite direction, so that the nuts 6-3 on the left and right sides move synchronously in relative directions and approach each other, and through the cooperation of the cross bar 6-4 and the connecting rod 6-5, the connecting frame 5 is driven to move upward. At this time, the spring 13 resets and stretches to drive the lifting frame 9 to move upward. When the lifting frame 9 moves to the initial position, as the connecting frame 5 continues to move upward, the connecting frame 5 can be detached from the lifting frame 9, and the detection probe 7 will move upward from the filter screen cylinder 10, and the detection probe 7 can be moved upward by the wiper ring 17. When the movable block 16-2 drives the rack 16-5 to move upward with the connecting frame 5 and drives the No. 3 gear 16-4 to rotate in the opposite direction, the cooperation of the rotating rod 16-3, the transmission of the pulley and the belt, and the transmission of the bevel gear pair can be used to make the guide rod 16-6 rotate in the opposite direction, thereby driving the guide block 16-8 to move to the right in the spiral guide groove, and the guide block 16-8 drives the left guide box 8-1 to move to the right through the moving cylinder 16-7, and uses the connecting rod 8-2 to drive the remaining guide boxes 8-1 to move to the right synchronously, so as to close the rectangular opening 4; After that, the nozzle 11-8 and the second motor 11-1 can be started. The nozzle 11-8 sprays clean water on the filter screen cylinder 10. The second motor 11-1 drives the worm 11-2 to rotate, and the worm 11-2 drives several worm gears 11-3 to rotate synchronously. The worm gear 11-3 drives the first gear 11-5 to rotate through the rotating shaft 11-9. The first gear 11-5 drives the second gear 11-6 meshing therewith to rotate. The second gear 11-6 drives the rotating circle 11-4 to rotate. The rotating circle 11-4 drives the filter screen cylinder 10 to rotate, so that the clean water sprayed by the nozzle 11-8 can fully clean the outside of the filter screen cylinder 10, and the clean sewage will fall into the guide box 8-1 and be discharged through the hose 8-4 and the drain pipe 8-3.

[0027] Compared with the prior art, the present invention has the following beneficial effects: 1. Through the cooperation of the connecting frame 5, the lifting frame 9, the driving mechanism 6, the vertical rod 12, and the spring 13, not only can the lifting and lowering of the detection probe 7 and the filter screen cylinder 10 be realized to filter the gravel, floating objects or other impurities in the water body to avoid affecting the detection of the detection probe 7, but also can prevent the detection probe 7 from contacting with the filter screen cylinder 10 and generating a large force to cause damage; 2. The cleaning mechanism 11 can be used to fully rinse and clean the outside of the filter cylinder 10 to avoid impurities remaining on the filter cylinder 10, and the cleaned sewage can be discharged through the closed drainage mechanism 8; 3. When the connecting frame 5 drives the detection probe 7 to move up and down, the guide box 8-1 can be moved in a linked manner to the left and right through the cooperation of the synchronous linkage mechanism 16, thereby improving the convenience of the detection device during use.

[0028] For those skilled in the art, they can modify the technical solutions described in the aforementioned embodiments and make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A detection device for environmental water quality detection, comprising a detection platform (1), an equipment box (2) and a central control component (3), wherein the detection platform (1) is provided with the equipment box (2), the central control component (3) is provided on the equipment box (2), and a plurality of rectangular openings (4) are provided on the bottom wall of the equipment box (2); It is characterized in that It also contains: A connecting frame (5), the connecting frame (5) being suspended in the equipment box (2), a driving mechanism (6) connected to the connecting frame (5) being provided in the equipment box (2), and a plurality of detection probes (7) being fixedly provided at the bottom of the connecting frame (5) and being electrically connected to the central control component (3); A lifting frame (9), wherein the lifting frame (9) is suspended in the equipment box (2) and is located below the detection probe (7); the lower part of the connecting frame (5) is arranged to cooperate with the lifting frame (9) in abutment with each other; a filter screen cylinder (10) that cooperates with the detection probe (7) is provided below the lifting frame (9); a cleaning mechanism (11) connected to the filter screen cylinder (10) is provided on the lifting frame (9); and a closed drainage mechanism (8) is provided at the bottom of the equipment box (2); A plurality of vertical rods (12) are fixedly arranged on the inner bottom wall of the equipment box (2) at the front and rear sides between the plurality of adjacent rectangular openings (4); the vertical rods (12) are movably inserted into the lifting frame (9); a spring (13) is movably sleeved on the vertical rod (12); and the upper end of the spring (13) is connected to the lifting frame (9).

2. A detection device for environmental water quality detection according to claim 1, characterized in that: The driving mechanism (6) comprises: A bidirectional lead screw (6-1), the bidirectional lead screw (6-1) being rotatably disposed in the equipment box (2) via a bearing, a No. 1 motor (6-2) being fixedly disposed on the right side wall of the equipment box (2), the No. 1 motor (6-2) being electrically connected to the central control component (3), and an output shaft of the No. 1 motor (6-2) being connected to the bidirectional lead screw (6-1); Nuts (6-3), there are two nuts (6-3), both of which are rotatably sleeved on the bidirectional lead screw (6-1) through threads, cross bars (6-4) are fixedly arranged on both the front and rear sides of the nuts (6-3), a connecting rod (6-5) is rotatably connected to the cross bar (6-4) through a bearing, and the lower end of the connecting rod (6-5) is hinged to the connecting frame (5).

3. A detection device for environmental water quality detection according to claim 2, characterized in that: Slide rails (14) are fixedly arranged on the front and rear inner side walls of the equipment box (2), a slide table (15) is slidably arranged on the slide rails (14), and the slide table (15) is rotatably connected to the end of the cross bar (6-4) through a bearing.

4. A detection device for environmental water quality detection according to claim 1, characterized in that: The cleaning mechanism (11) comprises: A No. 2 motor (11-1), the No. 2 motor (11-1) being fixedly arranged on the lifting frame (9), the No. 2 motor (11-1) being electrically connected to the central control component (3), a worm (11-2) being fixedly arranged on the output shaft of the No. 2 motor (11-1), the worm (11-2) being rotatably arranged in the lifting frame (9) via a bearing, a plurality of rotating shafts (11-9) being rotatably arranged in the lifting frame (9) via bearings, a worm wheel (11-3) meshing with the worm (11-2) being fixedly sleeved on the rotating shaft (11-9); A rotating ring (11-4), wherein the rotating ring (11-4) is in plurality and fixedly disposed on the upper parts of the plurality of filter screen cylinders (10), and the rotating ring (11-4) is rotatably disposed in a through hole opened on the lifting frame (9) via a bearing, and a first gear (11-5) is fixedly sleeved on the rotating ring (11-4); A number two gear (11-6), wherein the number two gears (11-6) are multiple and are respectively fixedly sleeved on multiple rotating shafts (11-9), and the number two gear (11-6) is meshed with the number one gear (11-5) on both sides of the front and rear; A plurality of fixed rods (11-7) are fixedly arranged at the bottom of the lifting frame (9) and located between the front and rear filter screen cylinders (10); and a plurality of nozzles (11-8) are fixedly arranged on the front and rear sides of the fixed rods (11-7).

5. A detection device for environmental water quality detection according to claim 4, characterized in that: A water scraper ring (17) matched with the detection probe (7) is fixedly arranged in the rotating circle (11-4).

6. A detection device for environmental water quality detection according to claim 1, characterized in that: The closed drainage mechanism (8) comprises: A flow guide box (8-1), wherein the flow guide boxes (8-1) are multiple and are slidably arranged at positions below the multiple rectangular openings (4) via a slide rail pair, the front and rear sides of the multiple adjacent flow guide boxes (8-1) are connected via a connecting rod (8-2), and a synchronous linkage mechanism (16) connected to the flow guide box (8-1) is provided in the equipment box (2); A drainage pipe (8-3) is fixedly arranged on the rear side of the bottom wall of the equipment box (2), and a plurality of interconnected hoses (8-4) are fixedly arranged on the drainage pipe (8-3), and one end of the hose (8-4) is interconnected with the guide box (8-1).

7. A detection device for environmental water quality detection according to claim 6, characterized in that: The synchronous linkage mechanism (16) comprises: Guide frames (16-1), the guide frames (16-1) being two in number and fixedly arranged on the left and right inner side walls of the equipment box (2), respectively; a movable block (16-2) is movably sleeved on the guide frame (16-1), and one side wall of the movable block (16-2) is connected to the connecting frame (5); Rotating rods (16-3), the rotating rods (16-3) being two in number and being rotatably arranged at upper and lower sides of the left guide frame (16-1) through bearings respectively, the two rotating rods (16-3) being connected through a pulley and a belt transmission, a third gear (16-4) being fixedly sleeved on the upper rotating rod (16-3), and a rack (16-5) meshing with the third gear (16-4) being fixedly arranged on the left movable block (16-2); A guide rod (16-6), the guide rod (16-6) being rotatably inserted on the right side of the left guide frame (16-1) via a bearing, and the guide rod (16-6) being located below the equipment box (2), and one end of the guide rod (16-6) being transmission-connected to a rotating rod (16-3) below via a bevel gear pair; A moving cylinder (16-7) is movably sleeved on the guide rod (16-6), a guide block (16-8) is fixedly arranged in the moving cylinder (16-7), the guide block (16-8) is movably arranged in a spiral guide groove provided on the guide rod (16-6), and the right end of the moving cylinder (16-7) is connected to the guide box (8-1) on the left side.

8. A detection device for environmental water quality detection according to claim 1, characterized in that: Baffles (18) are fixedly arranged on both left and right sides of the bottom of the equipment box (2), and the side walls of the baffles (18) are fixedly connected to the detection table (1).

Images