CN218994840U

CN218994840U - Sewage sampling device

Info

Publication number: CN218994840U
Application number: CN202223109989.9U
Authority: CN
Inventors: 谭嘉伟; 谭子良; 苏志文
Original assignee: Foshan Zhongcheng Environmental Protection Technology Co ltd
Current assignee: Foshan Zhongcheng Environmental Protection Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-05-09
Anticipated expiration: 2032-11-23

Abstract

The utility model provides a sewage sampling device, which relates to the technical field of sewage sampling and comprises a sampling pipe, wherein a sampling bracket fixedly arranged on one end of the sampling pipe is fixedly arranged on a sewage discharge pipeline, a sampling cleaning disc is movably connected inside the sampling pipe, a servo motor is fixedly arranged on one end of the sampling cleaning disc, a transmission gear set is fixedly arranged at the output end of the servo motor, and a cleaning bracket rotatably connected with the sampling cleaning disc is fixedly arranged on one end of the transmission gear set. The utility model has the advantages that: the vacuum sampling structure is arranged to control the position of the cleaning structure through the negative pressure formed by vacuum and the injection of the cleaning water after the collection of the sample is completed, and the cleaning structure is controlled to rotate to clean the inside of the sampling device and the inside of the cleaning structure, so that residual sewage after the sampling is cleaned, the influence of the residual sample on the collection of the subsequent sample is avoided, and the accuracy of the sample collection is improved.

Description

Sewage sampling device

Technical Field

The utility model relates to the technical field of sewage sampling, in particular to a sewage sampling device.

Background

The industrial wastewater contains a large amount of pollutants, has complex components, is not easy to purify in water, and is difficult to treat. Industrial wastewater is the most important cause of water pollution caused by industrial pollution, and accounts for the majority of pollutants discharged by industry.

Introducing a sewage sampling device in CN215574026U, through the effective cooperation of components such as stirring roller, pipette, suction head, utilize the suction head to keep apart bulky impurity outside the sampler, avoid inhaling the pipette at the in-process of sewage sample and cause the sampler to block up, stir the inspired impurity through the stirring roller simultaneously, make its volume decompose as far as possible, conveniently enter into the sample bottle together with sewage and take a sample, but this sampling device is being inconvenient for carrying out the cleanness to sampling device after sampling sewage, the sample of sampling device inside residual downsampling easily, the residual sample causes the influence to new sample testing result easily when using again, the accuracy of follow-up sampling sample is disturbed.

Disclosure of Invention

The object of the present utility model is to solve at least one of the technical drawbacks.

Therefore, an object of the present utility model is to provide a sewage sampling device, which solves the problems mentioned in the background art, and overcomes the shortcomings in the prior art.

In order to achieve the above object, an embodiment of an aspect of the present utility model provides a sewage sampling device, including a production unit, a sewage discharge pipeline is fixedly installed inside the production unit, one side of the sewage discharge pipeline is provided with a sewage treatment tank, a sampling pipe is inserted inside the sewage discharge pipeline, a sampling bracket fixedly installed with the sewage discharge pipeline is fixedly installed at one end of the sampling pipe, a sampling cleaning disc is movably connected inside the sampling pipe, a servo motor is fixedly installed at one end of the sampling cleaning disc, a transmission gear set is fixedly installed at the output end of the servo motor, a cleaning bracket rotatably connected with the sampling cleaning disc is fixedly installed at one end of the transmission gear set, a plurality of shaping frameworks are fixedly installed inside the cleaning bracket, a sealing air bag is coated on the surface of the shaping frameworks, an air pump is fixedly installed at one end of the sealing air bag, sampling holes are formed inside the sampling cleaning disc, a cleaning brush is fixedly installed inside the sampling holes, a cleaning motor is fixedly installed at one end of the cleaning brush, a sample pipe bracket fixedly installed with the cleaning disc, a protection bracket is fixedly installed at one end of the cleaning motor, a three-way valve is fixedly installed at one end of the cleaning motor, and a three-way valve is fixedly installed on the cleaning tank through the three-way valve, and the three-way valve is fixedly installed on the cleaning tank.

The technical scheme is adopted: the production unit is internally provided with a related production structure and a control system, the control system is connected with the sampling device, the control system performs unified automatic control operation, and the sampling device is internally provided with a control main board for analyzing and processing control information, so that the stable operation of the sampling device is ensured.

By above-mentioned scheme preferred, the sewage treatment pond is located the below of sewage discharge pipeline, the bottom of sampling pipe is located the inside of sewage discharge pipeline, the bottom of sampling pipe is provided with spacing platform, the internal diameter of spacing platform is less than the internal diameter of sampling pipe.

The technical scheme is adopted: the sewage treatment pool discharges sewage discharged by the sewage discharge pipeline after non-toxic and harmless treatment, and samples the sewage in the sewage discharge pipeline through the sampling pipe.

By the preferred mode of above-mentioned arbitrary scheme, sampling cleaning disc includes chassis, main part dish and footstock, there is the main part dish at the top of chassis through screw fixed mounting, the top of main part dish is through screw fixed mounting there being the footstock, the diameter of chassis is the same with the internal diameter of spacing platform, the diameter of chassis is greater than the internal diameter of cleaning support, the main part dish comprises two cylinders of different sizes, the diameter of footstock and the internal diameter looks adaptation of sampling tube, the diameter of chassis is greater than the diameter of main part dish bottom.

The technical scheme is adopted: the chassis, the main body disc and the top disc are disassembled and assembled, so that the servo motor, the transmission gear set and the cleaning support can be installed together, the servo motor, the transmission gear set and the cleaning support form an integrated structure with the chassis, the main body disc and the top disc, the finished cleaning disc for sampling is formed, the disassembly and assembly of various structures are facilitated, the top disc is arranged to be free of relative rotation with the sampling tube, the top disc is only enabled to drive the cleaning disc for sampling to slide in the sampling tube, and relative rotation is generated between the cleaning support and the main body disc.

By the above-mentioned scheme preferred, servo motor fixed mounting is in the inside of main part dish, drive gear group includes driving gear, drive gear and ring gear, driving gear and servo motor's output shaft transition fit, driving gear meshing has the drive gear who rotates with the main part dish to be connected, drive gear meshing has the ring gear, ring gear fixed mounting is in the inside of clean support.

The technical scheme is adopted: the servo motor drives the driving gear to rotate, the driving gear is driven by the gear to drive the transmission gear to rotate, and the transmission gear drives the inner gear ring to rotate, so that the inner gear ring drives the cleaning support to rotate in the main body disc.

By the preferred in above-mentioned arbitrary scheme, clean support cup joints in the surface of main part dish, the external diameter of clean support and the internal diameter looks adaptation of sampling tube, the guiding gutter of a plurality of circumference array has all been seted up to the surface of clean support and top tray, design skeleton and guiding gutter intercrossing distribution.

The technical scheme is adopted: the sealing air bag is supported by the shaping framework, and water can be guided by the guide groove.

By the above-mentioned scheme preferred, sealed gasbag fixed mounting is in the inside of clean support, air pump fixed mounting is in the inside of clean support, sealed gasbag and air pump pass through air duct fixed mounting, the air vent that is linked together with the air pump has been seted up to the inside of clean support.

The technical scheme is adopted: when sampling, the control air pump is used for inflating the inside of the sealed air bag to enable the sealed air bag to seal the sampling pipe, the tightness of the sampling process is guaranteed, when cleaning is carried out, the control air pump is used for pumping out gas in the sealed air bag, the volume of the air bag is reduced, the sealed air bag is not used for sealing between the cleaning support and the sampling pipe, cleaning water flows through the cleaning support through the diversion trench, and the cleaning support is controlled to rotate to clean the inner wall of the sampling pipe.

By the preferred mode of above-mentioned arbitrary scheme, the sampling hole runs through chassis, main part dish and footwall, the surface of cleaning brush is provided with the soft brush hair of flexible elasticity, the protection frame passes through screw fixed mounting in the top of footwall, the bottom of protection frame is provided with the pneumatic telescopic link and carries out flexible control to it, cleaning motor fixed mounting is in the top of protection frame.

The technical scheme is adopted: the sealed gasbag seals the sampling pipe during the sampling, only can send the inside of sampling pipe through the processing sewage of sampling hole, and control clean motor drive cleaning brush to clear up the inside of sampling hole when clean, and the pneumatic telescopic link of steerable drives the protection frame and seals the sampling hole.

By the preferred of above-mentioned arbitrary scheme, vacuum sampling case includes sample storage case, vacuum pump, electric telescopic handle and goes out the model, sample storage case passes through pipeline and three-way valve fixed mounting, the inside fixed mounting of sample storage case has the vacuum pump, the one end fixed mounting of sample storage case has electric telescopic handle, electric telescopic handle's one end fixed mounting has the play model with sample storage case swing joint, clean water tank's inside is provided with the water pump with pipe connection.

The technical scheme is adopted: the control water pump is with the inside water pump of clean water tank to the inside of sampling pipe, and the control vacuum pump forms the negative pressure at the inside of storing up the appearance case and inhales sewage, and the control electric telescopic handle drives out the sample board and removes can derive the water sample of sampling, and steerable protection frame seals the sample hole after deriving the water sample, carries out the position of vacuum negative pressure regulation sampling clean dish again.

Compared with the prior art, the utility model has the following advantages and beneficial effects:

1. the vacuum sampling structure is arranged to control the position of the cleaning structure through the negative pressure formed by vacuum and the injection of the cleaning water after the collection of the sample is completed, and the cleaning structure is controlled to rotate to clean the inside of the sampling device and the inside of the cleaning structure, so that residual sewage after the sampling is cleaned, the influence of the residual sample on the collection of the subsequent sample is avoided, and the accuracy of the sample collection is improved.

2. The cleaning structure is arranged to control displacement by vacuum negative pressure, the cleaning structure is fixed in position before sampling, the sampling device is conveniently sealed, invasion of sundries is reduced, the sampling device is conveniently protected, the sampling sequence and the cleaning sequence can be reasonably controlled, and the use convenience of the sampling device is enhanced.

Drawings

The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

FIG. 1 is a schematic diagram of a structure according to an embodiment of the present utility model;

FIG. 2 is a schematic elevational view of a sample cleaning disk according to an embodiment of the present utility model;

FIG. 3 is a schematic view showing a partial structure of a sampling cleaning disk according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a partial exploded construction of a sampling cleaning disc according to an embodiment of the present utility model;

FIG. 5 is a schematic cross-sectional view of a sampling tube according to an embodiment of the present utility model;

wherein: 1-sewage discharge pipeline, 2-sewage treatment tank, 3-sampling pipe, 4-sampling bracket, 5-sampling cleaning disk, 51-chassis, 52-main body disk, 53-top disk, 6-servo motor, 7-transmission gear set, 71-driving gear, 72-transmission gear, 73-annular gear, 8-cleaning bracket, 9-shaping framework, 10-sealing air bag, 11-air pump, 12-sampling hole, 13-cleaning brush, 14-cleaning motor, 15-protection bracket, 16-three-way valve, 17-vacuum sampling box, 171-sample box, 172-vacuum pump, 173-electric telescopic rod, 174-sample outlet plate and 18-cleaning water tank.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings, but the scope of the present utility model is not limited to the following.

As shown in fig. 1-5, a sewage sampling device according to an embodiment of the present utility model includes a production unit, a sewage discharge pipeline 1 is fixedly installed inside the production unit, a sewage treatment tank 2 is disposed on one side of the sewage discharge pipeline 1, a sampling pipe 3 is inserted inside the sewage discharge pipeline 1, a sampling bracket 4 fixedly installed with the sewage discharge pipeline 1 is fixedly installed at one end of the sampling pipe 3, a sampling cleaning disc 5 is movably connected inside the sampling pipe 3, a servo motor 6 is fixedly installed at one end of the sampling cleaning disc 5, a transmission gear set 7 is fixedly installed at an output end of the servo motor 6, a cleaning bracket 8 rotatably connected with the sampling cleaning disc 5 is fixedly installed at one end of the transmission gear set 7, a plurality of shaping frameworks 9 are fixedly installed inside the cleaning bracket 8, a sealing air bag 10 is coated on a surface of the shaping frameworks 9, an air pump 11 is fixedly installed at one end of the sealing air bag 10, a sampling hole 12 is formed inside the sampling cleaning disc 5, a cleaning brush 13 is disposed inside the sampling hole 12, a cleaning motor 14 is fixedly installed at one end of the cleaning brush 13, a protecting bracket 15 fixedly installed with the sampling disc 5, a protecting bracket 3 fixedly installed with the sampling pipe is fixedly installed with the cleaning brush 14, a protecting valve 16 is fixedly installed at one end of the sampling disc 5, and a three-way valve 16 is fixedly installed through a three-way valve 18, and a three-way valve 18 is fixedly installed at one end of the protecting pipe 18.

By any of the above-mentioned schemes, it is preferable that the sewage treatment tank 2 is located below the sewage discharge pipe 1, the bottom of the sampling pipe 3 is located inside the sewage discharge pipe 1, the bottom of the sampling pipe 3 is provided with a limiting table, and the inner diameter of the limiting table is smaller than the inner diameter of the sampling pipe 3.

The technical scheme is adopted: the sewage treatment tank 2 discharges sewage discharged by the sewage discharge pipeline 1 after non-toxic and harmless treatment, and samples the sewage in the sewage discharge pipeline 1 through the sampling pipe 3.

By any of the above-mentioned schemes, it is preferable that the sampling cleaning plate 5 includes a bottom plate 51, a main body plate 52 and a top plate 53, the top of the bottom plate 51 is fixedly provided with the main body plate 52 by a screw, the top of the main body plate 52 is fixedly provided with the top plate 53 by a screw, the diameter of the bottom plate 51 is the same as the inner diameter of the limit table, the diameter of the bottom plate 51 is larger than the inner diameter of the cleaning support 8, the main body plate 52 is composed of two cylinders with different sizes, the diameter of the top plate 53 is matched with the inner diameter of the sampling tube 3, and the diameter of the bottom plate 51 is larger than the diameter of the bottom of the main body plate 52.

The technical scheme is adopted: the base plate 51, the main body disc 52 and the top disc 53 are disassembled and assembled, so that the servo motor 6, the transmission gear set 7 and the cleaning support 8 can be installed together, the servo motor, the main body disc 52 and the top disc 53 form an integrated structure, the finished sampling cleaning disc 5 is formed, disassembly and assembly of various structures are facilitated, the top disc 53 is sized so that the top disc cannot rotate relative to the sampling tube 3, and only the top disc 53 drives the sampling cleaning disc 5 to slide in the sampling tube 3, so that relative rotation is generated between the cleaning support 8 and the main body disc 52.

It is preferable from any of the above schemes that the servo motor 6 is fixedly installed inside the main body disc 52, the driving gear set 7 includes a driving gear 71, a driving gear 72 and an inner gear ring 73, the driving gear 71 is in transition fit with the output shaft of the servo motor 6, the driving gear 71 is meshed with the driving gear 72 rotatably connected with the main body disc 52, the driving gear 72 is meshed with the inner gear ring 73, and the inner gear ring 73 is fixedly installed inside the cleaning support 8.

The technical scheme is adopted: the servo motor 6 drives the driving gear 71 to rotate, the driving gear 71 drives the transmission gear 72 to rotate through gear transmission, and the transmission gear 72 drives the inner gear ring 73 to rotate, so that the inner gear ring 73 drives the cleaning support 8 to rotate in the main body disc 52.

By any of the above schemes, it is preferable that the cleaning support 8 is sleeved on the surface of the main body disc 52, the outer diameter of the cleaning support 8 is matched with the inner diameter of the sampling tube 3, the surfaces of the cleaning support 8 and the top disc 53 are provided with a plurality of circumferential array diversion trenches, and the shaping framework 9 and the diversion trenches are distributed in a mutually crossed manner.

The technical scheme is adopted: the sealing air bag 10 is supported by the shaping framework 9, and water can be guided by the guide groove.

By any of the above-mentioned schemes, it is preferable that the sealing air bag 10 is fixedly installed inside the cleaning support 8, the air pump 11 is fixedly installed inside the cleaning support 8, the sealing air bag 10 and the air pump 11 are fixedly installed through the air duct, and the inside of the cleaning support 8 is provided with a vent hole communicated with the air pump 11.

The technical scheme is adopted: when sampling is carried out, the control air pump 11 is used for inflating the inside of the sealing air bag 10 to enable the inside of the sealing air bag 10 to seal the sampling pipe 3, the tightness of the sampling process is guaranteed, when cleaning is carried out, the control air pump 11 is used for pumping out gas in the sealing air bag 10, the air bag volume is reduced, the sealing air bag 10 does not seal between the cleaning support 8 and the sampling pipe 3, cleaning water flows through the cleaning support 8 through the diversion trench, and the cleaning support 8 is controlled to rotate to clean the inner wall of the sampling pipe 3.

By any of the above-mentioned schemes, it is preferable that the sampling hole 12 penetrates the bottom plate 51, the main body plate 52 and the top plate 53, the surface of the cleaning brush 13 is provided with flexible elastic brush bristles, the protection frame 15 is fixedly mounted on the top of the top plate 53 through screws, the bottom of the protection frame 15 is provided with a pneumatic telescopic rod for telescopic control, and the cleaning motor 14 is fixedly mounted on the top end of the protection frame 15.

The technical scheme is adopted: the sealed gasbag 10 seals sampling pipe 3 during the sampling, only can pump the inside of sampling pipe 3 through the processing sewage of sampling hole 12, and control cleaning motor 1 drive cleaning brush 13 clear up the inside of sampling hole 12 when clean, and the pneumatic telescopic link of steerable drives protection frame 15 and seals sampling hole 12.

By any of the above-described modes, it is preferable that the vacuum sampling tank 17 includes a sample storage tank 171, a vacuum pump 172, an electric telescopic rod 173 and a sample discharging plate 174, the sample storage tank 171 is fixedly mounted through a pipe and the three-way valve 16, the vacuum pump 172 is fixedly mounted inside the sample storage tank 171, the electric telescopic rod 173 is fixedly mounted at one end of the sample storage tank 171, the sample discharging plate 174 movably connected with the sample storage tank 171 is fixedly mounted at one end of the electric telescopic rod 173, and a water pump connected with the pipe is provided inside the cleaning water tank 18.

The technical scheme is adopted: the control water pump is with the inside water pump of clean water tank 18 to the inside of sampling pipe 3, and control vacuum pump 172 forms the negative pressure and inhales sewage in the inside of storage sample box 171, and control electric telescopic handle 173 drives out the template 174 and removes and to derive the water sample of sampling, can control protective frame 15 after deriving the water sample and seal the sampling hole 12, carries out the position of vacuum negative pressure regulation sampling clean dish 5 again.

The utility model relates to a sewage sampling device, which has the following working principle:

the vacuum pump 172 is started to pump sewage into the sample storage box 171, the vacuum pump 172 is stopped, the electric telescopic rod 173 is controlled to drive the sample discharging plate 174 to discharge a sampled water sample, the protecting frame 15 is controlled to seal the sampling hole 12, the vacuum pump 172 is started again to suck the sampling cleaning disc 5 to the top of the sample pipe 3, the vacuum pump 172 is stopped, the three-way valve 16 is adjusted to close the sample storage box 171, the cleaning water tank 18 is opened, the water is pumped into the sample pipe 3, meanwhile, the protecting frame 15 is controlled to release the sealing of the sampling hole 12, the air pump 11 is controlled to control the sealing air bag 10 to shrink, the cleaning motor 14 is started to drive the cleaning brush 13, and the servo motor 6 is controlled to drive the cleaning support 8 to clean the sampling cleaning disc 5 and the sample pipe 3 through the transmission gear set 7.

Compared with the prior art, the utility model has the following beneficial effects compared with the prior art:

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

It will be readily understood by those skilled in the art that the present utility model, including any combination of parts described in the summary and detailed description of the utility model above and shown in the drawings, is limited in scope and does not constitute a complete description of the various aspects of these combinations for the sake of brevity. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Although embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that variations, modifications, alternatives, and variations may be made in the above embodiments by those skilled in the art without departing from the spirit and principles of the utility model. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a sewage sampling device, includes the production unit, the inside fixed mounting of production unit has sewage discharge pipeline (1), one side of sewage discharge pipeline (1) is provided with sewage treatment pond (2), its characterized in that: the utility model discloses a sewage treatment device, including sewage discharge pipeline (1), sample pipe (3) are pegged graft to the inside of sewage discharge pipeline (1), one end fixedly connected with of sample pipe (3) with sewage discharge pipeline (1) fixed mounting's sampling support (4), the inside swing joint of sample pipe (3) has sampling cleaning disc (5), the one end fixed mounting of sampling cleaning disc (5) has servo motor (6), the output fixed mounting of servo motor (6) has drive gear group (7), the one end fixed mounting of drive gear group (7) has cleaning support (8) with sampling cleaning disc (5) rotation connection, the inside fixed mounting of cleaning support (8) has a plurality of design skeleton (9), the surface cladding of design skeleton (9) has sealed gasbag (10), the one end fixed mounting of sealed gasbag (10) has air pump (11), the inside of sampling cleaning disc (5) has sampling hole (12), the inside of sampling hole (12) is provided with cleaning brush (13), the one end fixed mounting of cleaning brush (6) has cleaning motor (14), the one end fixed mounting of cleaning motor (14) and one end fixed mounting of sampling disc (5) has three-way valve (16), the three-way valve (16) is fixedly provided with a vacuum sampling box (17) and a cleaning water tank (18) respectively through pipelines.

2. A sewage sampling device as claimed in claim 1, wherein: the sewage treatment pond (2) is located the below of sewage discharge pipeline (1), the bottom of sampling pipe (3) is located the inside of sewage discharge pipeline (1), the bottom of sampling pipe (3) is provided with spacing platform, the internal diameter of spacing platform is less than the internal diameter of sampling pipe (3).

3. A sewage sampling device as claimed in claim 2, wherein: the utility model provides a clean dish of sampling (5) includes chassis (51), main part dish (52) and footstock (53), there is main part dish (52) at the top of chassis (51) through screw fixed mounting, there is footstock (53) at the top of main part dish (52) through screw fixed mounting, the diameter of chassis (51) is the same with the internal diameter of spacing platform, the diameter of chassis (51) is greater than the internal diameter of clean support (8), main part dish (52) comprise two cylinders that the size is different, the diameter of footstock (53) and the internal diameter looks adaptation of sampling tube (3), the diameter of chassis (51) is greater than the diameter of main part dish (52) bottom.

4. A sewage sampling device as claimed in claim 3 wherein: the servo motor (6) is fixedly arranged in the main body disc (52), the transmission gear set (7) comprises a driving gear (71), a transmission gear (72) and an inner gear ring (73), the driving gear (71) is in transition fit with an output shaft of the servo motor (6), the driving gear (71) is meshed with the transmission gear (72) which is rotationally connected with the main body disc (52), the transmission gear (72) is meshed with the inner gear ring (73), and the inner gear ring (73) is fixedly arranged in the cleaning support (8).

5. The wastewater sampling device of claim 4, wherein: the cleaning support (8) is sleeved on the surface of the main body disc (52), the outer diameter of the cleaning support (8) is matched with the inner diameter of the sampling tube (3), a plurality of circumferential array diversion trenches are formed in the surfaces of the cleaning support (8) and the top disc (53), and the shaping framework (9) and the diversion trenches are distributed in a mutually crossed mode.

6. The wastewater sampling device of claim 5, wherein: the air pump is characterized in that the sealing air bag (10) is fixedly arranged in the cleaning support (8), the air pump (11) is fixedly arranged in the cleaning support (8), the sealing air bag (10) and the air pump (11) are fixedly arranged through an air duct, and a vent hole communicated with the air pump (11) is formed in the cleaning support (8).

7. The wastewater sampling device of claim 6, wherein: the sampling hole (12) penetrates through the chassis (51), the main body disc (52) and the top disc (53), flexible soft brush bristles capable of deforming are arranged on the surface of the cleaning brush (13), the protection frame (15) is fixedly arranged at the top of the top disc (53) through screws, a pneumatic telescopic rod is arranged at the bottom of the protection frame (15) to control the telescopic rod to stretch and retract, and the cleaning motor (14) is fixedly arranged at the top end of the protection frame (15).

8. The wastewater sampling device of claim 7, wherein: vacuum sampling case (17) are including storing up appearance case (171), vacuum pump (172), electric telescopic handle (173) and play model (174), storing up appearance case (171) through pipeline and three-way valve (16) fixed mounting, the inside fixed mounting of storing up appearance case (171) has vacuum pump (172), the one end fixed mounting of storing up appearance case (171) has electric telescopic handle (173), the one end fixed mounting of electric telescopic handle (173) have play model (174) with storing up appearance case (171) swing joint, the inside of clean water tank (18) is provided with the water pump with pipe connection.