Sewage detection device in urban sewage well

Abstract

The invention provides an urban sewage well sewage detection device which comprises a vertically arranged support and a shell movably installed on the support, the shell moves up and down in the radial direction of a drainage pipe through the support, a water inlet assembly is arranged at the end, close to a shaft, of the shell, and a detection assembly, a driving assembly and a transmission assembly are arranged in the shell. An adjusting assembly is further arranged outside the shell. The water level is detected through the adjusting assembly to control the work of the driving assembly, so that the water inlet assembly always corresponds to the water surface position, sewage can be always introduced into the water inlet assembly, a sample is provided for the detection assembly, and real-time monitoring is ensured; meanwhile, the shell continuously moves up and down and cannot be fixed to the bottom of the water inlet pipe all the time, so that sludge is not prone to being accumulated near the water inlet assembly, the probability that the sludge blocks the water inlet assembly and influences detection is reduced, and normal detection work is maintained.

Description

Technical Field

[0001] The invention relates to the technical field of sewage detection, and in particular to a sewage detection device in a city sewage well. Background Art

[0002] In modern cities, sewers are very important facilities. The sewer system is used to collect and discharge domestic wastewater and rainwater generated in the city, and collect and drain sewage to sewage treatment plants for treatment to avoid urban waterlogging and sewage overflow, while reducing pollution caused by direct sewage discharge.

[0003] A sewage well is a facility installed in urban roads to drain rainwater and sewage into the sewer. A sewage well usually includes a well shaft and a drainage pipe, wherein the well shaft is vertically installed, with its top extending to the road surface and a well cover as a seal, and the bottom extending downward to the height of the corresponding sewer pipe, and connected to the main sewer pipe through the drainage pipe, so that the collected sewage is merged into the main sewer pipe.

[0004] With the development of society, environmental pollution is becoming increasingly serious. my country has higher and higher requirements for sewage testing. Sewage in sewers also needs to be tested regularly to determine the degree of water pollution in the city and carry out sewage treatment accordingly to maintain the green environment in the city. In the traditional sewage testing process, the tester needs to open the manhole cover of the sewage well, take out the sewage inside, and then use special instruments to test the water quality. However, as the indicators of sewage testing gradually increase, especially when it is necessary to test before and after rain, the traditional manual sampling and testing method has great shortcomings.

[0005] The traditional detection process is too cumbersome and requires a lot of manpower and material resources. In addition, it is difficult to take samples in time before and after rain, which makes it impossible to obtain the most accurate test results. Therefore, a method of setting the detection instrument inside the sewage well to monitor the sewage in real time has emerged. Generally speaking, in order to maintain stable water inflow, the sewage detector is set at the bottom of the drainage pipe below the wellbore. However, silt is prone to accumulate at the bottom of the sewage well. After long-term use, silt will clog the sewage detector and affect the test results. If the sewage detector is installed on the top of the drain pipe, although the obstruction of the silt at the bottom can be avoided to a certain extent, this will lead to the problem of difficulty in sampling and testing when the water volume is small. Therefore, a better sewage detection device in urban sewage wells is needed. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides a sewage detection device in a city sewage well, which solves the problems in the prior art that when the sewage detector is set in the drainage pipe of the sewage well, the detection result is affected by silt, or it is difficult to detect when the water volume is small.

[0007] According to an embodiment of the present invention, a sewage detection device in a city sewage well, the city sewage well comprises a vertically arranged well shaft and a drainage pipe horizontally arranged at the bottom of the well shaft, the sewage detection device corresponds to a position in the drainage pipe of the city sewage well near one end of the well shaft, comprises a vertically arranged bracket and a shell movably mounted on the bracket, the bracket is fixedly mounted in the middle of the drainage pipe, the shell is a closed strip structure parallel to the axial direction of the drainage pipe, the shell moves up and down along the radial direction of the drainage pipe through the bracket, the shell is provided with a water inlet component near one end of the well shaft, the inside of the shell is respectively provided with a detection component, a drive component and a transmission component, and the outside of the shell is also provided with an adjustment component;

[0008] The detection component is set corresponding to the water inlet component, so as to detect the sewage collected by the water inlet component; the driving component is set corresponding to the bracket, driving the entire shell to move along the bracket; the transmission component is electrically connected to the detection component, and transmits the detection result to the outside; the adjustment component is set corresponding to the height of the water inlet component, and the adjustment component is electrically connected to the driving component, and controls the operation of the driving component by detecting the water level, so that after the shell moves, the water inlet component always corresponds to the water surface position.

[0009] Furthermore, the bracket includes a plurality of support rods and a driving rod arranged in sequence along the axial direction of the drain pipe. The support rod and the driving rod are both arranged along the vertical diameter of the drain pipe, and their upper and lower ends are fixedly connected to the inner wall of the drain pipe. The shell is penetrated and sleeved on the support rod and the driving rod, and the shell is slidably connected to the support rod and drivingly connected to the driving rod, so as to move in the vertical direction.

[0010] Furthermore, the driving rod is a threaded rod, and the driving assembly includes a rotating nut arranged inside the shell. The rotating nut and the driving rod are connected by a screw rod, and the rotating nut and the shell are rotationally connected and axially fixed, so that the rotating nut drives the shell to move along the driving rod.

[0011] Furthermore, a first motor is provided inside the shell, the output shaft of the first motor is connected to a driving gear, the outer sleeve of the rotating nut is provided with a driven gear, and the driving gear and the driven gear are meshed with each other, thereby transmitting the power of the motor to the rotating nut.

[0012] Furthermore, the water inlet component includes a water inlet pipe parallel to the axis of the drainage pipe, one end of the water inlet pipe is connected to the shell through an electric control valve to transmit the collected sewage to the detection component, and the other end is open for water intake; it also includes an air supply pipe, one end of the air supply pipe extends to the outside of the wellhead through the drainage pipe and the wellbore, and the other end is connected to the interior of the water inlet pipe near one end of the shell, and a high-pressure air pump is provided on the air supply pipe.

[0013] Furthermore, a stirring mechanism is provided inside the water inlet pipe, and the stirring mechanism includes a rotating shaft coaxially arranged inside the water inlet pipe, a plurality of cleaning brushes axially arranged on the outside of the rotating shaft, and a power member arranged corresponding to the rotating shaft. A plurality of radial mounting frames are provided inside the water inlet pipe, and the rotating shaft is rotatably arranged at the center position of the mounting frame. The power member drives the rotating shaft to rotate, thereby driving the cleaning brush to clean the inner wall of the water inlet pipe.

[0014] Furthermore, the power component includes a first gear wound around the outside of the rotating shaft, and a second motor is also provided on the drain pipe. The output shaft of the second motor radially penetrates into the drain pipe, and a second gear is coaxially arranged on the output shaft of the second motor. The first gear and the second gear are both bevel gears and are driven and connected to transmit the power of the second motor to the rotating shaft.

[0015] Furthermore, the air supply pipe includes a fixed pipe and a movable pipe. The fixed pipe corresponds to the length of the wellbore and is vertically arranged on the inner wall of the wellbore. The top end of the fixed pipe extends out of the wellbore and the bottom end is located at the connection between the wellbore and the drainage pipe. The movable pipe is a flexible pipe. One end of the movable pipe is connected to the bottom end of the fixed pipe, and the other end is connected to the water inlet pipe.

[0016] Furthermore, the inner wall of the water inlet pipe protrudes inwards near the open end to form a contraction section.

[0017] Furthermore, the adjustment component includes a placement cylinder vertically arranged on the outer wall of the shell, the placement cylinder is a hollow structure, a float is provided inside the placement cylinder, the float is limited by the inner wall of the placement cylinder and can only move in the vertical direction, and relative touch switches are respectively provided at the top and bottom of the placement cylinder, and the touch switch is electrically connected to the driving component. When the float is in the position between the two touch switches, the water inlet assembly just corresponds to the water level height in the drain pipe.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The sewage detection device of the present invention comprises a vertically arranged bracket and a shell movably mounted on the bracket, wherein a water inlet component and a detection component are both arranged corresponding to the shell, and thus can follow the shell to move in a vertical direction along the bracket; and an adjusting component is provided on the shell, which detects the water level through the adjusting component to control the operation of the driving component, so that after the shell moves, the water inlet component always corresponds to the water surface position, when the water volume is small, the shell is close to the bottom of the water inlet pipe, and when the water volume is large, the shell moves up to the middle or top of the water inlet pipe, so that the water inlet component can always introduce sewage, provide samples for the detection component, and ensure real-time monitoring; at the same time, the shell is also continuously moved up and down, and will not be fixed at the bottom of the water inlet pipe, so that sludge is not easy to accumulate near the water inlet component, thereby reducing the probability of sludge clogging the water inlet component and affecting the detection, and maintaining the normal progress of the detection work. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 Schematic diagram of the installation of an embodiment of the present invention.

[0021] Figure 2 Schematic diagram of the connection between the housing and the bracket in an embodiment of the present invention.

[0022] Figure 3 Schematic diagram of a water inlet assembly in an embodiment of the present invention.

[0023] Figure 4 for Figure 3 Enlarged schematic diagram of part A.

[0024] Figure 5 Schematic diagram of an adjustment component in an embodiment of the present invention.

[0025] In the above drawings: 1. Urban sewage well; 2. Bracket; 3. Shell; 4. Water inlet pipe; 5. Air supply pipe; 6. Placement tube; 11. Wellbore; 12. Drain pipe; 21. Support rod; 22. Drive rod; 31. Sewage detector; 32. Wireless transmission equipment; 33. Casing; 34. Rotating nut; 35. Drive gear; 36. First motor; 41. Electric control valve; 42. Rotating shaft; 43. Mounting bracket; 44. Cleaning brush; 45. First gear; 46. Second gear; 47. Second motor; 51. Fixed pipe; 52. Movable pipe; 61. Float; 62. Touch switch. DETAILED DESCRIPTION

[0026] The technical solution of the present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0027] like Figure 1As shown, the embodiment of the present invention proposes a sewage detection device in a city sewage well 1, wherein the city sewage well 1 comprises a vertically arranged well 11 and a drainage pipe 12 horizontally arranged at the bottom of the well 11, and the sewage detection device corresponds to a position in the drainage pipe 12 of the city sewage well 1 close to one end of the well 11. That is, after the sewage flows through the well 11 and converges to the drainage pipe 12, it directly passes through the sewage monitoring device, thereby obtaining the most direct water quality data.

[0028] This embodiment includes a vertically arranged bracket 2 and a shell 3 movably installed on the bracket 2. The bracket 2 is fixedly mounted in the middle of the drain pipe 12. The shell 3 is a closed strip structure parallel to the axial direction of the drain pipe 12. The shell 3 moves up and down along the radial direction of the drain pipe 12 through the bracket 2. The shell 3 is provided with a water inlet assembly at one end close to the shaft 11. The shell 3 is respectively provided with a detection assembly, a driving assembly and a transmission assembly inside, and the shell 3 is also provided with an adjustment assembly outside.

[0029] The detection component is set corresponding to the water inlet component, so as to detect the sewage collected by the water inlet component. In this embodiment, the detection component is a commonly used automatic sewage detector 31. The driving component is set corresponding to the bracket 2, driving the entire shell 3 to move along the bracket 2. The transmission component is electrically connected to the detection component to transmit the detection result to the outside. In this embodiment, a wireless transmission device 32 is used, which can be transmitted through the Internet of Things using 4g, 5g, etc., or WiFi transmission. The adjustment component corresponds to the height setting of the water inlet component. The adjustment component is electrically connected to the drive component, and the operation of the drive component is controlled by detecting the water level, so that the water inlet component always corresponds to the water surface position after the shell 3 moves.

[0030] like Figure 2As shown, in a specific scheme, the bracket 2 includes two support rods 21 and a driving rod 22 arranged in sequence along the axial direction of the drain pipe 12. In this embodiment, the driving rod 22 is arranged between the two support rods 21. The support rod 21 and the driving rod 22 are both arranged along the vertical diameter of the drain pipe 12, and their upper and lower ends are fixedly connected to the inner wall of the drain pipe 12. The housing 3 is sleeved on the support rod 21 and the driving rod 22, and the housing 3 is slidably connected to the support rod 21 and drivenly connected to the driving rod 22, so as to move in the vertical direction. Among them, the support rod 21 is a smooth rod, and the driving rod 22 is a threaded rod. The driving assembly includes a rotating nut 34 arranged inside the housing 3, and the rotating nut 34 is connected to the driving rod 22 by a screw rod, and the rotating nut 34 is rotationally connected to the housing 3 while being fixed in the axial direction, so that the rotating nut 34 drives the housing 3 to move along the driving rod 22. Preferably, in this embodiment, a sleeve 33 is provided in the housing 3 at a position corresponding to the support rod 21 and the driving rod 22 passing through, and the inner wall of the sleeve 33 is smooth, so that it is slidably connected with the support rod 21. The diameter of the driving rod 22 is smaller than the inner diameter of the sleeve 33, so that it does not directly contact the sleeve 33, but is connected through a rotating nut 34. Specifically, the rotating nut 34 is embedded in the middle of the sleeve 33, and the upper and lower ends of the rotating nut 34 are correspondingly provided with a flat rotating bearing, so that it can achieve a rotational connection with the sleeve 33 while maintaining axial fixation.

[0031] Correspondingly, a first motor 36 is further provided inside the housing 3, and the output shaft of the first motor 36 is connected to a driving gear 35. A driven gear is sleeved on the outside of the rotating nut 34, and the driving gear 35 and the driven gear are meshed with each other, so as to transmit the power of the motor to the rotating nut 34. Then, the entire housing 3 is driven to move by means of screw transmission.

[0032] like Figure 3 As shown, the water inlet assembly includes a water inlet pipe 4 parallel to the axis of the drain pipe 12, one end of the water inlet pipe 4 is connected to the housing 3 through an electric control valve 41, preferably a solenoid valve is used, so that the collected sewage is transmitted to the detection assembly, and the other end is open for water inlet; it also includes an air supply pipe 5, one end of the air supply pipe 5 extends to the outside of the wellhead through the drain pipe 12 and the wellbore 11, and the other end is connected to the inside of the water inlet pipe 4 near one end of the housing 3, and a high-pressure air pump is provided on the air supply pipe 5. When sewage detection is required, the electric control valve 41 is opened, and when not detected, it is kept closed to prevent sludge from entering the sewage detector 31 and affecting its work. In addition, the air supply pipe 5 connects the outside air to the water inlet pipe 4, and high-pressure gas can be injected through the high-pressure air pump, so that before the detection starts, the water inlet pipe 4 is reversely ventilated and discharged, and the sludge accumulated in the water inlet pipe 4 is discharged by high-pressure airflow, and then the electric control valve 41 is opened for detection.

[0033] Preferably, the air supply pipe 5 includes a fixed pipe 51 and a movable pipe 52. The fixed pipe 51 corresponds to the length of the wellbore 11 and is vertically arranged on the side of the inner wall of the wellbore 11 close to the water inlet assembly. The top of the fixed pipe 51 extends out of the wellbore 11, and the bottom is located at the connection between the wellbore 11 and the drainage pipe 12. The movable pipe 52 is a flexible pipe, and a corrugated pipe is preferably used in this embodiment. One end of the movable pipe 52 is connected to the bottom end of the fixed pipe 51, and the other end is connected to the water inlet pipe 4, so as to adapt to the up and down movement of the shell 3 and maintain a stable connection between the air supply pipe 5 and the water inlet pipe 4.

[0034] In a further solution, a stirring mechanism is further provided inside the water inlet pipe 4, and the stirring mechanism includes a rotating shaft 42 coaxially arranged inside the water inlet pipe 4, a plurality of cleaning brushes 44 axially arranged outside the rotating shaft 42, and a power member arranged corresponding to the rotating shaft 42. A plurality of radial mounting brackets 43 are provided inside the water inlet pipe 4, and the rotating shaft 42 is rotatably arranged at the center of the mounting bracket 43. The power member drives the rotating shaft 42 to rotate, thereby driving the cleaning brush 44 to clean the inner wall of the water inlet pipe 4. It should be noted that the bristles of the cleaning brush 44 are made of flexible material, so that they can rotate freely while being in close contact with the inner wall of the water inlet pipe 4.

[0035] like Figure 4 As shown, in this embodiment, the power member includes a first gear 45 wound around the outside of the rotating shaft 42, and the drain pipe 12 is also provided with a second motor 47, the output shaft of the second motor 47 penetrates the drain pipe 12 radially and extends into the drain pipe 12, and the output shaft of the second motor 47 is coaxially provided with a second gear 46, the first gear 45 and the second gear 46 are both bevel gears and are driven and connected, so that the power of the second motor 47 is transmitted to the rotating shaft 42. Among them, the mounting frame 43 is a circular frame structure, and the cleaning brush 44 is a strip-shaped single-beam structure along the axial direction of the rotating shaft 42, which does not affect the flow of sewage, and the second motor 47 can be turned on corresponding to each detection work, that is, each time the sewage detection is required, the rotating shaft 42 and the cleaning brush 44 are first driven by the second motor 47 to rotate, and the cleaning brush 44 cleans the inner wall of the water inlet pipe 4, and the sludge closely attached to the water inlet pipe 4 is brushed off, and then high-pressure gas is injected to remove the sludge brushed off, so as to more thoroughly desilt and maintain the cleanliness of the water inlet pipe 4.

[0036] As a preferred solution, the inner wall of the water inlet pipe 4 protrudes inward near the open end to form a contraction section. This can prevent large pieces of debris from entering the water inlet pipe 4, making it difficult to clean and remove debris. At the same time, the contraction section can further increase the pressure of gas sewage discharge, thereby purging the position of the drainage pipe 12 near the end of the water inlet pipe 4 to prevent sludge from accumulating in the outer end area of ​​the water inlet pipe 4.

[0037] like Figure 5As shown, in a specific scheme, the regulating assembly includes a placement tube 6 vertically arranged on the outer wall of the housing 3, the placement tube 6 is a hollow structure, a floating ball 61 is arranged inside the placement tube 6, the floating ball 61 is limited by the inner wall of the placement tube 6 and can only move in the vertical direction, and the top and bottom of the placement tube 6 are also provided with relative touch switches 62, respectively, and the touch switches 62 are electrically connected to the driving assembly. When the floating ball 61 is located between the two touch switches 62, the water inlet assembly just corresponds to the water surface height in the drain pipe 12. That is, the placement tube 6 does not affect the entry of water, so that the floating ball 61 moves up and down corresponding to the water surface position at all times, thereby contacting the upper and lower touch switches 62 respectively. When the water level rises, the floating ball 61 contacts the upper touch switch 62, and the first motor 36 works to drive the housing 3 to move up; when the water level drops, the floating ball 61 contacts the lower touch switch 62, and the first motor 36 rotates in the opposite direction to drive the housing 3 to move down. When the housing 3 moves to the point where the float 61 does not contact the touch switch 62, that is, when the water inlet assembly is at the position corresponding to the water level in the drain pipe 12, the housing 3 is stable, that is, the water inlet assembly is normally filled with water. In this way, it is not easy to introduce mud and impurities at the bottom during water inlet, and it is not difficult to take samples when the water level is low due to setting it too high, which has a flexible range of use.

[0038] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solution of the present invention can be modified or replaced by equivalents without departing from the purpose and scope of the technical solution of the present invention, which should be included in the scope of the claims of the present invention.

Claims

1. A sewage detection device in a city sewage well, the city sewage well comprising a vertically arranged well shaft and a drainage pipe horizontally arranged at the bottom of the well shaft, characterized in that: The sewage detection device corresponds to a position in a drainage pipe of a city sewage well near one end of the well shaft, and includes a vertically arranged bracket and a shell movably mounted on the bracket, the bracket is fixedly mounted in the middle of the drainage pipe, the shell is a closed strip structure parallel to the axial direction of the drainage pipe, the shell moves up and down along the radial direction of the drainage pipe through the bracket, the shell is provided with a water inlet component near one end of the well shaft, the inside of the shell is respectively provided with a detection component, a drive component and a transmission component, and the outside of the shell is also provided with an adjustment component; The detection component is set corresponding to the water inlet component, so as to detect the sewage collected by the water inlet component; the driving component is set corresponding to the bracket, driving the entire shell to move along the bracket; the transmission component is electrically connected to the detection component, and transmits the detection result to the outside; the adjustment component is set corresponding to the height of the water inlet component, and the adjustment component is electrically connected to the driving component, and controls the operation of the driving component by detecting the water level, so that after the shell moves, the water inlet component always corresponds to the water surface position.

2. A sewage detection device in a city sewage well as claimed in claim 1, characterized in that: The bracket includes a plurality of support rods and a driving rod arranged in sequence along the axial direction of the drain pipe. The support rod and the driving rod are both arranged along the vertical diameter of the drain pipe, and the upper and lower ends thereof are fixedly connected to the inner wall of the drain pipe. The shell is penetrated and sleeved on the support rod and the driving rod, and the shell is slidably connected to the support rod and drivingly connected to the driving rod, thereby moving in the vertical direction.

3. A sewage detection device in a city sewage well as claimed in claim 2, characterized in that: The driving rod is a threaded rod, and the driving assembly includes a rotating nut arranged inside the shell. The rotating nut and the driving rod are connected by a screw rod, and the rotating nut and the shell are rotationally connected and fixed axially, so that the rotating nut drives the shell to move along the driving rod.

4. A sewage detection device in a city sewage well as claimed in claim 3, characterized in that: A first motor is also provided inside the shell, and a driving gear is connected to the output shaft of the first motor. A driven gear is sleeved on the outside of the rotating nut. The driving gear and the driven gear are meshed with each other, so as to transmit the power of the motor to the rotating nut.

5. A sewage detection device in a city sewage well as claimed in claim 1, characterized in that: The water inlet assembly includes a water inlet pipe parallel to the axis of the drainage pipe, one end of the water inlet pipe is connected to the shell through an electric control valve to transmit the collected sewage to the detection assembly, and the other end is open for water intake; it also includes an air supply pipe, one end of the air supply pipe extends to the outside of the wellhead through the drainage pipe and the wellbore, and the other end is connected to the interior of the water inlet pipe near one end of the shell, and a high-pressure air pump is provided on the air supply pipe.

6. A sewage detection device in a city sewage well as claimed in claim 5, characterized in that: A stirring mechanism is also provided inside the water inlet pipe, and the stirring mechanism includes a rotating shaft coaxially arranged inside the water inlet pipe, a plurality of cleaning brushes axially arranged on the outside of the rotating shaft, and a power member arranged corresponding to the rotating shaft. A plurality of radial mounting frames are provided inside the water inlet pipe, and the rotating shaft is rotatably arranged at the center position of the mounting frame. The power member drives the rotating shaft to rotate, thereby driving the cleaning brush to clean the inner wall of the water inlet pipe.

7. A sewage detection device in a city sewage well as claimed in claim 6, characterized in that: The power component includes a first gear wound around the outside of the rotating shaft, and a second motor is also provided on the drain pipe. The output shaft of the second motor radially penetrates into the drain pipe, and a second gear is coaxially arranged on the output shaft of the second motor. The first gear and the second gear are both bevel gears and are driven and connected to transmit the power of the second motor to the rotating shaft.

8. A sewage detection device in a city sewage well as claimed in claim 5, characterized in that: The air supply pipe includes a fixed pipe and a movable pipe. The fixed pipe corresponds to the length of the wellbore and is vertically arranged on the inner wall of the wellbore. The top end of the fixed pipe extends out of the wellbore and the bottom end is located at the connection between the wellbore and the drainage pipe. The movable pipe is a flexible pipe. One end of the movable pipe is connected to the bottom end of the fixed pipe, and the other end is connected to the water inlet pipe.

9. A sewage detection device in a city sewage well as claimed in claim 5, characterized in that: The inner wall of the water inlet pipe protrudes inwards near the open end to form a contraction section.

10. A sewage detection device in a city sewage well as claimed in claim 1, characterized in that: The adjustment component includes a placement tube vertically arranged on the outer wall of the shell, the placement tube is a hollow structure, a float is arranged inside the placement tube, the float is limited by the inner wall of the placement tube and can only move in the vertical direction, and relative touch switches are respectively arranged at the top and bottom of the placement tube, and the touch switch is electrically connected to the driving component. When the float is in the position between the two touch switches, the water inlet component just corresponds to the water level height in the drain pipe.

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