CN112903360B

CN112903360B - Urban river water environment detection device

Info

Publication number: CN112903360B
Application number: CN202110159821.XA
Authority: CN
Inventors: 陈染庄; 王静静; 赖佑贤; 肖孟富; 刘锦汉
Original assignee: Guangzhou Water Conservancy & Hydropower Station Construction Engineering Co ltd
Current assignee: Guangzhou Water Conservancy & Hydropower Station Construction Engineering Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-11-11
Anticipated expiration: 2041-02-05
Also published as: CN112903360A

Abstract

The invention discloses a device for detecting urban river water environment. The invention comprises the following steps: the hull, fixed mounting has first riser and second riser on the top inner wall of hull and the bottom inner wall, fixed mounting has first hollow pole on the top inner wall of hull, slidable mounting has the hollow pole of second in the first hollow pole, the bottom of the hollow pole of second extends to the below of hull and has the water tank of getting in the rotation mounting, through the mutually supporting between components such as first hollow pole, the hollow pole of second, bar groove, bar pinion rack, driven gear, can remove the water tank to suitable degree of depth, simultaneously through mutually supporting between components such as broken pole, impeller, sword type tooth, can clear up near getting near water tank debris such as pasture and water, solved current water environment detection device and received the influence of debris such as pasture and water easily when taking a sample, lead to the problem that can not be accurate the quality of water of taking a sample to different regions and different degree of depth.

Description

Urban river water environment detection device

Technical Field

The invention relates to the technical field of environment detection equipment, in particular to a device for detecting urban river water environment.

Background

The water quality monitoring is a process for monitoring and determining the types of pollutants in a water body, the concentrations and the variation trends of various pollutants and evaluating the water quality conditions, the monitoring range is very wide, including uncontaminated and contaminated natural water, various industrial drainage and the like, the water environment detection device can measure the pH value, the conductivity, the dissolved oxygen, the salinity, the solute, the seawater specific gravity, the temperature, the turbidity, the depth and the oxidation-reduction potential in situ, can meet the measurement requirements of various surface water, underground water, industrial and domestic sewage, cultivation and regenerated water, can be widely applied to the fields of environmental protection, scientific research monitoring, production control and the like, is one of ideal special instruments for environmental monitoring and management in the industrial automation era, and has very wide water quality detection and test application, such as rivers, lakes, ponds, dams, wells, oceans, underground water, industrial wastewater, municipal sewage, agricultural water, fish farms and the like;

the water environment detection device needs to sample water of different depths in a river channel before water sample detection is carried out, then the water sample is detected through a detection instrument, however, the existing water environment detection device is easily influenced by sundries such as aquatic weeds and sludge when the water sample is carried out, so that the water quality of different regions and different depths in the water can not be accurately sampled, and the sampling precision and efficiency are reduced.

Disclosure of Invention

The invention aims to provide a device for detecting the water environment of an urban river channel, which aims to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: a city river water environment detection device includes: the water tank is installed in a rotating mode on the inner wall of the top of the ship body, a first vertical plate and a second vertical plate are fixedly installed on the inner wall of the top of the ship body, a first hollow rod is fixedly installed on the inner wall of the top of the ship body, a second hollow rod is slidably installed in the first hollow rod, the bottom end of the second hollow rod extends to the lower portion of the ship body and is rotatably installed to obtain the water tank, a water pump is arranged at the top of the ship body, the top end of the first hollow rod extends to the upper portion of the ship body and is rotatably connected with one end of a first L-shaped pipe, the other end of the first L-shaped pipe is communicated with a water inlet of the water pump, a second L-shaped pipe is arranged at the top of the ship body, one end of the second L-shaped pipe is communicated with a water outlet of the water pump, a plurality of supporting legs are fixedly installed on the inner wall of the bottom of the ship body, the top ends of the supporting legs are fixedly installed with the same box body, and the other end of the second L-shaped pipe extends into the ship body and is communicated with the box body, a clear water bin is arranged in the ship body, a U-shaped pipe is arranged on the ship body, one end of the U-shaped pipe is communicated with a second L-shaped pipe, the other end of the U-shaped pipe extends into the clear water bin, one side, close to each other, of a first vertical plate and a second vertical plate is fixedly provided with a same strip-shaped plate, the strip-shaped plate is rotatably provided with two rotating pins, the outer sides of the two rotating pins are fixedly sleeved with a worm wheel and a driven gear, the outer side of a second hollow rod is provided with two strip-shaped grooves, the inner walls of the two strip-shaped grooves are fixedly provided with strip-shaped toothed plates, the two driven gears are respectively meshed with the corresponding strip-shaped toothed plates, one side of the first vertical plate is rotatably provided with one end of a first shaft, one side of the second vertical plate is provided with a double-shaft motor, the other end of the first shaft extends to one side of the second vertical plate and is fixedly connected with a first output shaft of the double-shaft motor, the outer side of the first shaft is provided with two spiral teeth which are respectively meshed with corresponding worm gears and are symmetrically arranged, one end of a second shaft is rotatably arranged on the inner wall of one side of the box body, the other end of the second shaft extends to one side of the box body and is fixedly connected with a second output shaft of the double-shaft motor, a spiral conveying roller is fixedly sleeved on the outer side of the second shaft, the bottoms of two sides of the box body are respectively provided with a slag discharge port, the inner wall of the bottom of the ship body is provided with two slag collecting boxes which are respectively communicated with the corresponding slag discharge ports, the outer side of the second hollow rod is fixedly sleeved with a first gear, a third shaft is rotatably arranged on the inner wall of the top of the water taking box, the top end of the third shaft extends to the upper part of the water taking box and is fixedly sleeved with a second gear, the second gear is meshed with the first gear, the bottom inner wall of the water taking tank is provided with a strip-shaped tank, the bottom end of a third shaft extends into the strip-shaped tank and is fixedly sleeved with a third gear, the outer side of the third shaft is fixedly sleeved with a first helical gear, the top inner wall and the bottom inner wall of the water taking tank are fixedly provided with the same vertical plate, the vertical plate is rotatably provided with a fourth shaft, one end of the fourth shaft is fixedly sleeved with an impeller, the other end of the fourth shaft extends to one side of the vertical plate and is fixedly sleeved with a second helical gear, the first helical gear is meshed with the second helical gear, the bottom inner wall of the water taking tank is rotatably provided with a plurality of fifth shafts, the top ends of the fifth shafts are fixedly sleeved with belt pulleys, the belt pulleys are in transmission connection with the same belt, and the bottom ends of the fifth shafts extend to the lower part of the water taking tank and are respectively and fixedly provided with a plurality of crushing rods, the fixed cover in the outside of being close to fifth axle of impeller one side is equipped with the fourth gear, and fourth gear and third gear mesh mutually, be provided with the detection device body in the hull, one side of detection device body is provided with the conveyer pipe, the other end of conveyer pipe extends to in the box, and is provided with the control valve on the conveyer pipe.

Furthermore, a plurality of water intakes have been seted up to one side of water intaking case, and all be provided with the filter plate in a plurality of water intakes.

Further, the bottom fixed mounting of first hollow pole has two limiting plates, and two limiting plates are respectively slidable mounting in the bar inslot that corresponds.

Furthermore, the fixed cover in the outside of the hollow pole of second is equipped with the disc, fixed mounting has the ring baffle on the outer peripheral face of disc, the top of getting the water tank has the spacing ring for centre of a circle fixed mounting based on the hollow pole of second, and the outer peripheral face of spacing ring and ring baffle's inner wall sliding connection.

Furthermore, a plurality of knife-shaped teeth are arranged on the outer side of the water taking tank and are arranged at equal intervals.

Furthermore, a first electromagnetic valve is arranged on the second L-shaped pipe, and a second electromagnetic valve is arranged on the U-shaped pipe.

Furthermore, a mounting hole is formed in the second vertical plate, an inner ring of a sealing bearing is fixedly sleeved on the outer side of the first shaft, and an outer ring of the sealing bearing is fixedly mounted in the mounting hole.

Further, one side fixed mounting of second riser has the mounting bracket, and biax motor fixed mounting is in the mounting bracket.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, through the mutual matching of the components such as the first hollow rod, the second hollow rod, the strip-shaped groove, the strip-shaped toothed plate and the driven gear, the water taking tank can be moved to a proper depth, and meanwhile, through the mutual matching of the components such as the crushing rod, the impeller and the knife-shaped teeth, impurities such as aquatic weeds and the like near the water taking tank can be cleaned, so that the problem that the water quality in different areas and different depths in water cannot be accurately sampled due to the fact that the existing water environment detection device is easily influenced by the impurities such as the aquatic weeds and the like during sampling is solved.

Drawings

FIG. 1 is a schematic structural diagram according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of the portion A of FIG. 1;

FIG. 3 is an enlarged view of a portion of FIG. 1 at position B;

FIG. 4 is a schematic cross-sectional view of a water intake box according to an embodiment of the present invention;

fig. 5 is a partially enlarged view of the position C in fig. 4.

Reference numerals are as follows: 1. a hull; 2. a first vertical plate; 3. a second vertical plate; 4. a first hollow bar; 5. a second hollow shaft; 6. a water pump; 7. a first L-shaped tube; 8. a second L-shaped tube; 9. a box body; 10. a first solenoid valve; 11. a U-shaped tube; 12. a clear water bin; 13. a second solenoid valve; 14. a strip plate; 15. a rotation pin; 16. a worm gear; 17. a driven gear; 18. a strip-shaped groove; 19. a strip toothed plate; 20. a limiting plate; 21. a first shaft; 22. a second shaft; 23. a double-shaft motor; 24. a slag collection box; 25. taking a water tank; 26. a disc; 27. an annular baffle; 28. a first gear; 29. a third axis; 30. a second gear; 31. a limiting ring; 32. a strip-shaped box; 33. a third gear; 34. a first helical gear; 35. a vertical plate; 36. a fourth axis; 37. an impeller; 38. a second helical gear; 39. a fifth shaft; 40. a belt pulley; 41. a belt; 42. a fourth gear; 43. the detection device body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Please refer to fig. 1-5, wherein fig. 1 is a schematic structural diagram according to an embodiment of the present invention; FIG. 2 is an enlarged view of a portion of the location A of FIG. 1; FIG. 3 is an enlarged view of a portion of FIG. 1 at position B; FIG. 4 is a schematic cross-sectional view of a water intake box portion in an embodiment of the present invention; fig. 5 is a partial enlarged view of a position C in fig. 4, and the device for detecting the water environment in the urban river comprises: the water pump water-saving boat comprises a boat body 1, wherein a first vertical plate 2 and a second vertical plate 3 are fixedly mounted on the inner wall of the top of the boat body 1 and the inner wall of the bottom of the boat body 1, a first hollow rod 4 is fixedly mounted on the inner wall of the top of the boat body 1, a second hollow rod 5 is slidably mounted in the first hollow rod 4, the bottom end of the second hollow rod 5 extends to the lower part of the boat body 1 and is rotatably mounted with a water taking tank 25, a water pump 6 is arranged at the top of the boat body 1, the top end of the first hollow rod 4 extends to the upper part of the boat body 1 and is rotatably connected with one end of a first L-shaped pipe 7, the other end of the first L-shaped pipe 7 is communicated with a water inlet of the water pump 6, a second L-shaped pipe 8 is arranged at the top of the boat body 1, one end of the second L-shaped pipe 8 is communicated with a water outlet of the water pump 6, a plurality of supporting legs are fixedly mounted on the inner wall of the bottom of the boat body 1, and the top ends of the plurality of the supporting legs are fixedly mounted with a same box body 9, the other end of the second L-shaped pipe 8 extends into the ship body 1 and is communicated with the box body 9, a clean water bin 12 is arranged in the ship body 1, a U-shaped pipe 11 is arranged on the ship body 1, one end of the U-shaped pipe 11 is communicated with the second L-shaped pipe 8, the other end of the U-shaped pipe 11 extends into the clean water bin 12, one side, close to each other, of the first vertical plate 2 and the second vertical plate 3 is fixedly provided with a same strip-shaped plate 14, the strip-shaped plate 14 is rotatably provided with two rotating pins 15, the outer sides of the two rotating pins 15 are fixedly sleeved with a worm wheel 16 and a driven gear 17, the outer side of the second hollow rod 5 is provided with two strip-shaped grooves 18, the inner walls of the two strip-shaped grooves 18 are fixedly provided with strip-shaped toothed plates 19, the two driven gears 17 are respectively engaged with the corresponding strip-shaped toothed plates 19, one side of the first vertical plate 2 is rotatably provided with one end of a first shaft 21, one side of the second vertical plate 3 is provided with a double-shaft motor 23, the other end of the first shaft 21 extends to one side of the second vertical plate 3 and is fixedly connected with a first output shaft of the double-shaft motor 23, two spiral teeth are arranged on the outer side of the first shaft 21 and are respectively meshed with a corresponding worm wheel 16, the two spiral teeth are symmetrically arranged, one end of a second shaft 22 is rotatably arranged on the inner wall of one side of the box body 9, the other end of the second shaft 22 extends to one side of the box body 9 and is fixedly connected with a second output shaft of the double-shaft motor 23, a spiral conveying roller is fixedly sleeved on the outer side of the second shaft 22, slag discharge ports are respectively arranged at the bottoms of the two sides of the box body 9, two slag collection boxes 24 are arranged on the inner wall of the bottom of the ship body 1, the two slag collection boxes 24 are respectively communicated with the corresponding slag discharge ports, a first gear 28 is fixedly sleeved on the outer side of the second hollow rod 5, a third shaft 29 is rotatably mounted on the inner wall of the top of the water taking tank 25, the top end of the third shaft 29 extends to the upper part of the water taking tank 25 and is fixedly sleeved with a second gear 30, the second gear 30 is meshed with the first gear 28, a strip-shaped tank 32 is arranged on the inner wall of the bottom of the water taking tank 25, the bottom end of the third shaft 29 extends into the strip-shaped tank 32 and is fixedly sleeved with a third gear 33, a first helical gear 34 is fixedly sleeved on the outer side of the third shaft 29, the inner wall of the top of the water taking tank 25 and the inner wall of the bottom are fixedly mounted with a same vertical plate 35, a fourth shaft 36 is rotatably mounted on the vertical plate 35, an impeller 37 is fixedly sleeved at one end of the fourth shaft 36, the other end of the fourth shaft 36 extends to one side of the vertical plate 35 and is fixedly sleeved with a second helical gear 38, and the first helical gear 34 is meshed with the second helical gear 38, get on the bottom inner wall of water tank 25 and rotate and install a plurality of fifth axles 39, the top of a plurality of fifth axles 39 is all fixed the cover and is equipped with belt pulley 40, and the transmission is connected with same belt 41 on a plurality of belt pulleys 40, and the bottom of a plurality of fifth axles 39 all extends to the below of getting water tank 25 and fixed mounting respectively has a plurality of broken poles, and the fixed cover in the outside of the fifth axle 39 who is close to impeller 37 one side is equipped with fourth gear 42, and fourth gear 42 and third gear 33 mesh mutually, be provided with detection device body 43 in the hull 1, one side of detection device body 43 is provided with the conveyer pipe, the other end of conveyer pipe extends to in the box 9, and is provided with the control valve on the conveyer pipe.

A plurality of intakes have been seted up to one side of water intaking box 25, and all be provided with the filter plate in a plurality of intakes, can carry out prefiltering to the water that gets into in the water intaking box 25 through the filter plate.

The bottom fixed mounting of first hollow pole 4 has two limiting plates 20, and two limiting plates 20 are respectively slidable mounting in the bar groove 18 that corresponds, can make the hollow pole 5 of second follow the slip that first hollow pole 4 kept stable through limiting plate 20.

The disc 26 is fixedly sleeved on the outer side of the second hollow rod 5, the annular baffle 27 is fixedly installed on the outer peripheral surface of the disc 26, the limiting ring 31 is fixedly installed at the top of the water taking tank 25 based on the second hollow rod 5 as a circle center, the outer peripheral surface of the limiting ring 31 is in sliding connection with the inner wall of the annular baffle 27, and the annular baffle 27 and the disc 26 can prevent sundries such as aquatic plants from affecting the normal work of the first gear 28 and the second gear 30.

Get the outside of water tank 25 and be provided with a plurality of sword type teeth, and a plurality of sword type teeth are equidistant setting, can clear up through a plurality of sword type teeth near getting near water plants and other debris of water tank 25.

The second L-shaped pipe 8 is provided with a first electromagnetic valve 10, the U-shaped pipe 11 is provided with a second electromagnetic valve 13, and water flow can be guided as required through the first electromagnetic valve 10 and the second electromagnetic valve 13.

The mounting hole has been seted up on the second riser 3, the outside fixed cover of primary shaft 21 is equipped with seal bearing's inner circle, seal bearing's outer lane fixed mounting can make primary shaft 21 keep stable rotation through seal bearing in the mounting hole, can avoid in the water infiltration hull 1 simultaneously to influence the normal work of double-shaft motor 23.

One side fixed mounting of second riser 3 has the mounting bracket, and biax motor 23 fixed mounting can make biax motor 23 remain stable work through the mounting bracket in the mounting bracket.

Wherein, biax motor 23 and water pump 6 electric connection have power and switch respectively, and first solenoid valve 10 and second solenoid valve 13 electric connection have power and switch respectively.

In summary, in the urban river water environment detection device provided by the invention, during operation, the ship body 1 is firstly moved to a water area where water needs to be taken, a power supply is switched on, the double-shaft motor 23 is started, the first output shaft of the double-shaft motor 23 drives the two spiral teeth to drive the corresponding worm gears 16 to rotate in different directions through the first shaft 21, meanwhile, the driven gear 17 and the corresponding worm gears 16 keep synchronous rotation, the driven gear 17 and the strip-shaped toothed plate 19 drive the second hollow rod 5 to slide downwards along the inner wall of the first hollow rod 4, so as to drive the water taking tank 25 to extend downwards to a proper depth, the strip-shaped groove 18 and the limiting plate 20 can keep the second hollow rod 5 to stably slide along the inner wall of the first hollow rod 4, the water pump 6 is started, water at the depth of the water taking tank 25 is upwards pumped and conveyed into the tank body 9 under the action of the water pump 6, in the process of pumping water by the water pump 6, when water enters the water intake box 25 through the water intake port, impurities or garbage are filtered by the filter plate, the water enters the water intake box 25 and upwards passes through the second hollow rod 5, the first hollow rod 4 and the first L-shaped pipe 7 to enter the water pump 6, the water is conveyed into the box body 9 through the second L-shaped pipe 8 under the action of the water pump 6, the water impacts the impeller 37 to rotate when passing through the impeller 37, the impeller 37 drives the second helical gear 38 to rotate through the fourth shaft 36, the second helical gear 38 drives the second gear 30 and the third gear 33 to rotate through the first helical gear 34, the water intake box 25 is driven to rotate based on the second hollow rod 5 as the center of a circle under the action of the second gear 30 and the first gear 28, the third gear 33 drives the plurality of fifth shafts 39 to rotate based on the corresponding fifth shafts 39 as the center of a circle through the cooperation of the fourth gear 42, the belt pulley 40 and the belt 41, the near debris and pasture and water of water intaking tank 25 are cleared up under the effect of a plurality of sword type teeth and a plurality of crushing poles, thereby can avoid the debris such as pasture and water to block up the filter plate and influence normal water intaking operation, when the hollow pole 5 of second upwards or the lapse along the inner wall of first hollow pole 4, the second output shaft of double-shaft motor 23 drives the screw conveyor roller and clears up the precipitate in the box 9 with second axle 22, and arrange to collection sediment case 24 in through the row's cinder notch that corresponds, when detection device body 43 needs to carry out the water intaking, open the control valve and make water pass through the conveyer pipe and get into detection device body 43 and carry out detection operation in, open second solenoid valve 13, close first solenoid valve 10 simultaneously, carry water to the interior sample of leaving of clear water storehouse 12 and reserve under the effect of water pump 6.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an urban river water environment detection device which characterized in that includes: hull (1), fixed mounting has first riser (2) and second riser (3) on the top inner wall of hull (1) and the bottom inner wall, fixed mounting has first hollow pole (4) on the top inner wall of hull (1), slidable mounting has second hollow pole (5) in first hollow pole (4), the bottom of second hollow pole (5) extends to the below of hull (1) and rotates the installation and gets water tank (25), the top of hull (1) is provided with water pump (6), the top of first hollow pole (4) extends to the top of hull (1) and rotates the one end that is connected with first L venturi tube (7), the other end of first L venturi tube (7) is linked together with the water inlet of water pump (6), the top of hull (1) is provided with second L venturi tube (8), the one end of second L venturi tube (8) is linked together with the delivery port of water pump (6), fixed mounting has a plurality of supporting legs on the bottom inner wall of hull (1), the top fixed mounting of a plurality of supporting legs has same box (9), the second L venturi tube (8) one end extends to the box (11) and is provided with the U venturi tube (11) in the hull (1) and the water tank (11), the hull (11) is provided with the clear water sump (11), the other end of U-shaped pipe (11) extends to in clear water storehouse (12), one side fixed mounting that first riser (2) and second riser (3) are close to each other has same bar shaped plate (14), it installs two rotating pin (15) to rotate on bar shaped plate (14), the outside of two rotating pin (15) is all fixed the cover and is equipped with worm wheel (16) and driven gear (17), two bar shaped groove (18) have been seted up in the outside of the hollow pole of second (5), equal fixed mounting has bar shaped toothed plate (19) on the inner wall of two bar shaped groove (18), two driven gear (17) mesh with corresponding bar shaped toothed plate (19) respectively, the one end of installation primary shaft (21) is rotated to one side of first riser (2), one side of second riser (3) is provided with biax motor (23), the other end of primary shaft (21) extends to one side of second riser (3) and is connected with the first output shaft fixed connection of biax motor (23) one side, two spiral teeth have been seted up to the outside of primary shaft (21), two spiral teeth correspond respectively with the worm wheel (16) one side of fixed shaft motor (9) and the other end of box is connected to the box body (9), the second shaft (9) is connected with the second shaft motor (22), the outer side of the second shaft (22) is fixedly sleeved with a spiral conveying roller, slag discharge ports are formed in the bottoms of two sides of the box body (9), two slag collecting boxes (24) are arranged on the inner wall of the bottom of the ship body (1), the two slag collecting boxes (24) are respectively communicated with the corresponding slag discharge ports, a first gear (28) is fixedly sleeved on the outer side of the second hollow rod (5), a third shaft (29) is rotatably mounted on the inner wall of the top of the water taking box (25), the top end of the third shaft (29) extends into the upper portion of the water taking box (25) and is fixedly sleeved with a second gear (30), the second gear (30) is meshed with the first gear (28), a bar-shaped box (32) is arranged on the inner wall of the bottom of the water taking box (25), the bottom end of the third shaft (29) extends into the bar-shaped box (32) and is fixedly sleeved with the third gear (33), a first helical gear (34) is fixedly sleeved on the outer side of the third shaft (29), a vertical plate (35) is fixedly mounted on the inner wall of the top of the water taking box (25) and on the inner wall of the bottom of the vertical plate, a vertical plate (35), a fourth shaft (36) is fixedly mounted with a fourth shaft (36), and a fourth shaft (36) is mounted on the other side of the fourth shaft (36), first helical gear (34) and second helical gear (38) mesh mutually, it installs a plurality of fifth axles (39) to rotate on the bottom inner wall of water intaking case (25), and the equal fixed cover in top of a plurality of fifth axles (39) is equipped with belt pulley (40), and transmission connection has same belt (41) on a plurality of belt pulleys (40), and the bottom of a plurality of fifth axles (39) all extends to the below of water intaking case (25) and respectively fixed mounting has a plurality of broken poles, and the outside fixed cover that is close to fifth axle (39) of impeller (37) one side is equipped with fourth gear (42), and fourth gear (42) meshes with third gear (33) mutually, be provided with detection device body (43) in hull (1), one side of detection device body (43) is provided with the conveyer pipe, the other end of conveyer pipe extends to in box (9), and is provided with the control valve on the conveyer pipe, a plurality of water intaking mouths have been seted up to one side of water intaking case (25), and all be provided with the filter plate in a plurality of water intaking mouths, the bottom fixed mounting of first hollow rod (4) has two disc (20), and the fixed mounting is equipped with two hollow rod (20) and the hollow rod (26) is the outer peripheral face (26) that the fixed mounting is equipped with the hollow rod (26) respectively on the second hollow rod (20) the outer peripheral face of the hollow rod (26), the hollow rod (26) is installed on the top the fixed mounting of water intaking case (25), the hollow rod (26) the hollow rod (18), the hollow rod (26) the outer side of hollow rod (26) the hollow rod (25) the hollow rod (26) respectively A limit ring (31), and the peripheral surface of the limit ring (31) is connected with the inner wall of the annular baffle (27) in a sliding way.

2. The urban river water environment detection device according to claim 1, wherein a plurality of knife-shaped teeth are arranged on the outer side of the water taking tank (25), and the knife-shaped teeth are arranged at equal intervals.

3. The urban river water environment detection device according to claim 1, wherein a first electromagnetic valve (10) is arranged on the second L-shaped pipe (8), and a second electromagnetic valve (13) is arranged on the U-shaped pipe (11).

4. The urban river water environment detection device according to claim 1, wherein the second vertical plate (3) is provided with a mounting hole, an inner ring of a sealing bearing is fixedly sleeved on the outer side of the first shaft (21), and an outer ring of the sealing bearing is fixedly mounted in the mounting hole.

5. The urban river water environment detection device according to claim 1, wherein a mounting frame is fixedly mounted on one side of the second vertical plate (3), and the double-shaft motor (23) is fixedly mounted in the mounting frame.