Self-cleaning anti-blocking device for municipal drainage pipeline and operation method

By designing a self-cleaning anti-clogging device in municipal drainage pipes, the mechanical structure automatically cleans debris from the filter plates, solving the problem of filter clogging and improving drainage efficiency.

CN121024187AInactive Publication Date: 2025-11-28牛智权 +1
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Patent Information

Application Number
CN202511298139.3
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-11
Publication Date
2025-11-28
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

Existing municipal drainage pipe filters are prone to clogging due to the accumulation of debris, affecting drainage efficiency and lacking an effective self-cleaning mechanism.

Method used

Design a self-cleaning anti-clogging device, including components such as an interception box, filter plate, movable plate, scraper, stepper motor and servo motor, to achieve automatic cleaning of filter plate and collection of debris through mechanical structure, thus preventing clogging.

Benefits of technology

It enables automatic cleaning of the filter plates, prevents the accumulation of debris, and improves the drainage efficiency and anti-clogging ability of the drainage pipes.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention belongs to the technical field of municipal drainage pipelines, and discloses a self-cleaning anti-blocking device for municipal drainage pipelines, which comprises an intercepting box, a filter plate is fixedly sleeved in the intercepting box, a movable plate is movably connected to the left side of the top end of the filter plate, and the outer surface of the movable plate is movably sleeved with the inner surface of the intercepting box. And the bottom end of the interior of the movable plate is movably sleeved with a scraping plate. Through the arrangement of the movable plate, the scraping plate, the first spring, the round rod and the rotating rod, due to the fact that the first spring is in a compressed state, the scraping plate and the filter plate can be attached to each other under the recovery effect of the first spring, and after a stepping motor is started, a rotating shaft can drive the rotating rod and the round rod to rotate; therefore, the round rod generates thrust on the movable plate to push the movable plate to drive the scraper to move along the top end of the filter plate, so that the filter plate can be cleaned, and blockage of the filter plate caused by excessive impurities accumulated at the top end of the filter plate is prevented.
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Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of municipal drainage pipeline, and particularly relates to a self-cleaning anti-blocking device for a municipal drainage pipeline and an operation method. BACKGROUND

[0002] The municipal drainage pipeline is an important part of urban infrastructure, is responsible for collecting, transporting and discharging rainwater, sewage and industrial wastewater in a city, and ensures the normal operation of the city and the sanitary environment of the residents, and the core functions thereof include flood control, sewage collection and treatment, environmental protection and health protection, and can be divided into rainwater pipelines, sewage pipelines and combined pipelines according to the use.

[0003] In the process of using the municipal drainage pipeline, in order to prevent sundries in the sewage from blocking the drainage pipeline, a filter screen and the like is generally used to filter the sewage in the drainage pipeline, but in the actual use process, there are still some deficiencies, because the existing filter screen and the like are mostly directly fixed in the inside of the drainage pipeline and no corresponding self-cleaning mechanism is arranged, so that the filtered sundries are easy to accumulate on the filter screen, and when the sundries accumulate too much, the filter screen will be blocked, thereby affecting the drainage efficiency of the drainage pipeline, and therefore, improvement is needed. SUMMARY

[0004] The purpose of the present application is to provide a self-cleaning anti-blocking device for a municipal drainage pipeline and an operation method to solve the problems raised in the background.

[0005] In order to achieve the above-mentioned purpose, the present application provides the following technical scheme: a self-cleaning anti-blocking device for a municipal drainage pipeline, comprising an intercepting box, a filter plate is fixedly sleeved in the inside of the intercepting box, a movable plate is movably connected to the left side of the top end of the filter plate, the outer surface of the movable plate and the inner surface of the intercepting box are movably sleeved, a scraper is movably sleeved at the bottom end in the inside of the movable plate, the bottom end of the scraper and the top end of the filter plate are movably connected, a connecting plate is fixedly installed at the top end of the scraper, a stop rod is fixedly installed at the top end of the connecting plate and extends into the inside of the movable plate, the outer surface of the stop rod and the inner surface of the movable plate are movably sleeved, a first spring is fixedly installed at the top end of the stop rod, the other end of the first spring is fixedly connected to the top of the inner surface of the movable plate, a round rod is movably sleeved in the inside of the rear end of the movable plate, a rotating rod is fixedly sleeved at the outer surface of the round rod, the rear end of the rotating rod is movably connected to the rear inner wall of the intercepting box, a stepping motor is fixedly installed at the middle of the rear end of the intercepting box, a rotating shaft is fixedly sleeved at the other end of the output shaft of the stepping motor, and the front end of the rotating shaft penetrates through the intercepting box, extends into the inside of the intercepting box and is fixedly sleeved with the bottom end of the rotating rod.

[0006] As a preferred embodiment of the present invention, an outer frame is fixedly installed on the right end of the interception box, and a cover plate is hinged to the top of the outer frame.

[0007] In a preferred embodiment of the present invention, a collection box is movably fitted inside the outer frame, the outer surface of the collection box and the outer surface of the interception box are movably connected, and a return pipe is fixedly fitted at the middle of the bottom end of the outer frame, the other end of the return pipe passing through the interception box and extending into the interior of the interception box.

[0008] As a preferred embodiment of the present invention, a pressure block is movably fitted onto the top of the inside of the collection box, the top of the pressure block is movably connected to the bottom of the cover plate, a long plate is fixedly installed in the middle of the top of the pressure block, and the top of the long plate penetrates through the cover plate and extends to the outside of the cover plate and is fixedly installed with a horizontal plate.

[0009] As a preferred embodiment of the present invention, a first servo motor is fixedly installed on the right side of the top center of the cover plate, a first round shaft is fixedly sleeved on the other end of the output shaft of the first servo motor, a disc is fixedly sleeved on the outer surface of the first round shaft, the outer surface of the disc is movably connected to the outer surface of the long plate and the cross plate, a push rod is fixedly sleeved on the top of the disc, and the outer surface of the push rod is movably sleeved to the inner surface of the cross plate.

[0010] As a preferred embodiment of the present invention, a locking plate is movably sleeved inside the left end of the cover plate, the left side of the outer surface of the locking plate is movably sleeved with the inner surface of the right end of the interception box, a handle is fixedly installed on the right end of the locking plate, the outer surface of the handle is movably sleeved with the inner surface of the cover plate, a second spring is fixedly installed at the bottom of the right end of the handle, and the other end of the second spring is fixedly connected to the inner surface of the cover plate.

[0011] As a preferred embodiment of the present invention, a gate is movably sleeved on the right inner wall of the interception box, the outer surface of the gate is movably connected to the outer surface of the filter plate, a long rod is hinged to the middle of the bottom end of the gate, a short rod is hinged to the bottom of the right end of the long rod, and the outer surface of the short rod is movably connected to the right inner wall of the interception box.

[0012] As a preferred embodiment of the present invention, a second servo motor is fixedly installed at the bottom of the left end of the interception box, and a second round shaft is fixedly sleeved at the other end of the output shaft of the second servo motor. The right end of the second round shaft passes through the interception box and extends into the interior of the interception box and is fixedly sleeved with the bottom end of the short rod. Support plates located below the gate are fixedly installed on the front and rear sides of the right inner wall of the interception box, respectively. A first limiting rod is movably sleeved inside the support plate, and the top end of the first limiting rod is fixedly connected to the bottom end of the gate.

[0013] As a preferred embodiment of the present invention, a water inlet pipe is fixedly sleeved at the middle of the top of the interception box, a drain pipe is fixedly sleeved at the middle of the bottom of the interception box, and a second limiting rod is fixedly sleeved at the top of the interior of the interception box, with the left side of the outer surface of the second limiting rod and the inner surface of the top of the movable plate being movably sleeved together.

[0014] As a preferred embodiment of the present invention, the specific steps are as follows:

[0015] During use, sewage will enter the interior of the interception box through the inlet pipe, and then be filtered by the filter plate and discharged through the drain pipe. At this time, the impurities in the sewage will be intercepted at the top of the filter plate. When the impurities accumulate too much, the operator first starts the second servo motor, which causes the second round shaft to rotate through the short rod and the bottom end of the long rod, thereby causing the other end of the long rod to generate a pulling force on the gate, pulling the gate and the first limit rod to move along the inner surface of the support plate until the gate and the support plate come into contact, thus realizing the opening of the gate.

[0016] The operator then starts the stepper motor, causing the rotating shaft to rotate along the rotating rod, which in turn causes the outer surface of the rod to exert a thrust on the inner surface of the rear end of the movable plate. This pushes the movable plate, along with the scraper, connecting plate, and stop bar, to move. During the movement of the scraper, the first spring, which is in a compressed state, exerts a downward force on the stop bar, thereby forcing the connecting plate and scraper to move downward. This causes the tops of the scraper and the filter plate to come into contact with each other, thus pushing the debris accumulated on the top of the filter plate into the collection box through the movable plate and scraper, preventing it from clogging the filter plate.

[0017] Once debris enters the collection box, the operator resets the movable plate and gate, then starts the first servo motor. This causes the first shaft to rotate the disc, which in turn causes the push rod to rotate around the first shaft. This creates a thrust on the inner surface of the horizontal plate, pushing the horizontal plate, along with the long plate and pressure block, downwards to compress the debris. This reduces the volume of debris inside the collection box. The compressed wastewater then flows through the filter holes on the outer surface of the collection box into the outer frame, and finally into the interception box through the return pipe. Once the collection box is full of debris, the operator pulls the handle, causing it to move the locking plate and compress the second spring. This releases the locking plate from the cover, allowing the operator to rotate and open the cover to remove the collection box for debris collection.

[0018] The beneficial effects of this invention are as follows:

[0019] 1. This invention, by setting up a movable plate, a scraper, a first spring, a round rod, and a rotating rod, ensures that the scraper and the filter plate are in contact with each other due to the compression of the first spring and its restoring action. When the stepper motor is started, the rotating shaft will drive the rotating rod and the round rod to rotate, thereby causing the round rod to generate a thrust on the movable plate, pushing the movable plate and the scraper to move along the top of the filter plate. This achieves the cleaning of the filter plate and prevents excessive accumulation of debris on the top of the filter plate, which could cause clogging.

[0020] 2. This invention, by setting up a collection box, a pressure block, a long plate, a horizontal plate, and a push rod, will cause the first circular shaft to drive the disc and the push rod to rotate around the first circular shaft when the first servo motor is started. Since the push rod is movably sleeved inside the horizontal plate, as the push rod rotates, it will generate a pushing force on the horizontal plate, pushing the horizontal plate through the long plate and moving the pressure block, thereby compressing the debris inside the collection box. In this way, the volume of debris inside the collection box can be reduced by the squeezing of the pressure block, thereby increasing the collection box's capacity for debris.

[0021] 3. This invention, by setting up a gate, a long rod, a short rod, a second servo motor, and a second circular shaft, allows the second servo motor to start, causing the second circular shaft to rotate the bottom end of the short rod. This causes the bottom end of the long rod to rotate around the second circular shaft along with the top end of the short rod. This generates a pulling force on the gate, pulling the gate along the inner right side of the interception box. Thus, through the cooperation of the long and short rods, the gate can be automatically opened and closed, preventing debris inside the collection box from flowing back into the interception box. Attached Figure Description

[0022] Figure 1 This is a schematic diagram of the structure of the present invention;

[0023] Figure 2 This is a cross-sectional view of the front of the present invention;

[0024] Figure 3 This is a cross-sectional view of the movable plate of the present invention;

[0025] Figure 4 This is a schematic cross-sectional view of the side of the present invention;

[0026] Figure 5 This is a cross-sectional structural schematic diagram of the gate of the present invention;

[0027] Figure 6 for Figure 2 A magnified schematic diagram of the partial structure at point A in the middle;

[0028] Figure 7 for Figure 2 A magnified schematic diagram of the local structure at point B;

[0029] Figure 8 for Figure 3 A magnified schematic diagram of the structure at point C.

[0030] In the diagram: 1. Interception box; 2. Filter plate; 3. Movable plate; 4. Scraper; 5. Connecting plate; 6. Stop bar; 7. First spring; 8. Round rod; 9. Rotating rod; 10. Stepper motor; 11. Rotating shaft; 12. Outer frame; 13. Cover plate; 14. Collection box; 15. Return pipe; 16. Pressure block; 17. Long plate; 18. Horizontal plate; 19. First servo motor; 20. First round shaft; 21. Disc; 22. Push rod; 23. Locking plate; 24. Handle; 25. Second spring; 26. Gate plate; 27. Long rod; 28. Short rod; 29. ​​Second servo motor; 30. Second round shaft; 31. First limit rod; 32. Support plate; 33. Water inlet pipe; 34. Drain pipe; 35. Second limit rod. Detailed Implementation

[0031] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0032] like Figures 1 to 8 As shown, this embodiment of the invention provides a self-cleaning anti-clogging device for municipal drainage pipes, including an interception box 1. A filter plate 2 is fixedly sleeved inside the interception box 1. A movable plate 3 is movably connected to the left side of the top of the filter plate 2. The outer surface of the movable plate 3 is movably sleeved with the inner surface of the interception box 1. A scraper 4 is movably sleeved at the bottom of the movable plate 3. The bottom end of the scraper 4 is movably connected with the top end of the filter plate 2. A connecting plate 5 is fixedly installed at the top end of the scraper 4. The top end of the connecting plate 5 penetrates the movable plate 3 and extends into the interior of the movable plate 3, and a stop bar 6 is fixedly installed thereon. The outer surface of the stop bar 6 is connected to the inner surface of the filter plate 2. The inner surface of the movable plate 3 is movably sleeved, and the top of the stop rod 6 is fixedly installed with a first spring 7. The other end of the first spring 7 is fixedly connected to the top of the inner surface of the movable plate 3. The rear end of the movable plate 3 is movably sleeved with a round rod 8. The outer surface of the round rod 8 is fixedly sleeved with a rotating rod 9. The rear end of the rotating rod 9 is movably connected to the rear inner wall of the interception box 1. The middle of the rear end of the interception box 1 is fixedly installed with a stepper motor 10. The other end of the output shaft of the stepper motor 10 is fixedly sleeved with a rotating shaft 11. The front end of the rotating shaft 11 passes through the interception box 1 and extends into the interior of the interception box 1 and is fixedly sleeved with the bottom end of the rotating rod 9.

[0033] When the stepper motor 10 starts, the rotating shaft 11 will rotate, causing the rotating rod 9, which is fixedly connected to the rotating shaft 11, to rotate around the rotating shaft 11 with the round rod 8 as the axis. This causes the round rod 8 to exert a pushing force on the movable plate 3, pushing the movable plate 3 and the scraper 4 to move along the top of the filter plate 2. At the same time, since the first spring 7 is in a compressed state, under the restoring action of the first spring 7, the stop rod 6 will move downward with the connecting plate 5 and the scraper 4, so that the bottom end of the scraper 4 is in contact with the top end of the filter plate 2. This achieves self-cleaning of the filter plate 2 and prevents clogging.

[0034] The interception box 1 has an outer frame 12 fixedly installed on its right end, and a cover plate 13 is hinged to the top of the outer frame 12.

[0035] The hinged design of the outer frame 12 and the cover plate 13 will make it easier for the operator to rotate and open the cover plate 13.

[0036] The outer frame 12 is movably fitted with a collection box 14, and the outer surface of the collection box 14 is movably connected to the outer surface of the interception box 1. The bottom middle of the outer frame 12 is fixedly fitted with a return pipe 15, and the other end of the return pipe 15 passes through the interception box 1 and extends into the interior of the interception box 1.

[0037] The outer surface of the collection box 14 is provided with a water leakage hole, so that the sewage inside the collection box 14 can flow into the interior of the outer frame 12, and then flow into the interception box 1 through the return pipe 15.

[0038] The top of the collection box 14 is movably fitted with a pressure block 16. The top of the pressure block 16 is movably connected to the bottom of the cover plate 13. A long plate 17 is fixedly installed in the middle of the top of the pressure block 16. The top of the long plate 17 passes through the cover plate 13 and extends to the outside of the cover plate 13, and a horizontal plate 18 is fixedly installed thereon.

[0039] When the horizontal plate 18 is pushed, it will move along the inner surface of the collection box 14 through the long plate 17, carrying the pressure block 16, thereby squeezing the debris inside the collection box 14.

[0040] The cover plate 13 has a first servo motor 19 fixedly installed on the right side of the top center. The other end of the output shaft of the first servo motor 19 is fixedly sleeved with a first round shaft 20. The outer surface of the first round shaft 20 is fixedly sleeved with a disc 21. The outer surface of the disc 21 is movably connected to the outer surface of the long plate 17 and the horizontal plate 18. The top of the disc 21 is fixedly sleeved with a push rod 22. The outer surface of the push rod 22 is movably sleeved with the inner surface of the horizontal plate 18.

[0041] When the first servo motor 19 is started, the first circular shaft 20 will drive the disk 21 and push rod 22 to rotate, thereby causing the outer surface of the push rod 22 to generate a thrust on the horizontal plate 18, pushing the horizontal plate 18 to move along with the long plate 17 and the pressure block 16.

[0042] The cover plate 13 has a locking plate 23 that is movably sleeved inside the left end. The left side of the outer surface of the locking plate 23 is movably sleeved with the inner surface of the right end of the interception box 1. The right end of the locking plate 23 has a handle 24 that is fixedly installed. The outer surface of the handle 24 is movably sleeved with the inner surface of the cover plate 13. The bottom of the right end of the handle 24 has a second spring 25 that is fixedly installed. The other end of the second spring 25 is fixedly connected to the inner surface of the cover plate 13.

[0043] When the handle 24 is pushed, the handle 24 will move along the inner surface of the cover plate 13 along with the locking plate 23 and compress the second spring 25, thereby releasing the locking plate 23 from locking the cover plate 13.

[0044] Among them, a gate plate 26 is movably sleeved on the right inner wall of the interception box 1, and the outer surface of the gate plate 26 is movably connected to the outer surface of the filter plate 2. A long rod 27 is hinged to the middle of the bottom end of the gate plate 26, and a short rod 28 is hinged to the bottom of the right end of the long rod 27. The outer surface of the short rod 28 is movably connected to the right inner wall of the interception box 1.

[0045] When the short rod 28 rotates along with the bottom of the long rod 27, the top of the long rod 27 will exert a pulling force on the gate 26, causing the gate 26 to move.

[0046] The bottom left side of the interception box 1 is fixedly installed with a second servo motor 29. The other end of the output shaft of the second servo motor 29 is fixedly sleeved with a second round shaft 30. The right end of the second round shaft 30 passes through the interception box 1 and extends into the interior of the interception box 1 and is fixedly sleeved with the bottom end of the short rod 28. The front and rear sides of the right inner wall of the interception box 1 are respectively fixedly installed with support plates 32 located below the gate plate 26. The first limiting rod 31 is movably sleeved inside the support plate 32. The top end of the first limiting rod 31 is fixedly connected to the bottom end of the gate plate 26.

[0047] When the second servo motor 29 is started, the second round shaft 30 will drive the short rod 28 to rotate, which will cause the bottom end of the long rod 27 to rotate together with the short rod 28, thereby causing the long rod 27 to exert a pulling force on the gate 26. The presence of the first limit rod 31 and the support plate 32 can limit the movement of the gate 26.

[0048] Among them, a water inlet pipe 33 is fixedly sleeved at the middle of the top of the interception box 1, a drain pipe 34 is fixedly sleeved at the middle of the bottom of the interception box 1, a second limiting rod 35 is fixedly sleeved at the top inside the interception box 1, and the left side of the outer surface of the second limiting rod 35 and the inner surface of the top of the movable plate 3 are movably sleeved.

[0049] The presence of the second limiting rod 35 will limit the movement of the movable plate 3, while the presence of the water inlet pipe 33 and the drain pipe 34 is used for the discharge and discharge of sewage.

[0050] The specific steps are as follows:

[0051] During use, sewage will enter the interior of the interception box 1 through the inlet pipe 33, and then be discharged through the drain pipe 34 after being filtered by the filter plate 2. At this time, the impurities in the sewage will be intercepted at the top of the filter plate 2. When the impurities accumulate too much, the operator first starts the second servo motor 29, so that the second round shaft 30 rotates through the short rod 28 and the bottom end of the long rod 27, thereby causing the other end of the long rod 27 to generate a pulling force on the gate plate 26, pulling the gate plate 26 and the first limit rod 31 to move along the inner surface of the support plate 32 until the gate plate 26 and the support plate 32 come into contact, thus realizing the opening of the gate plate 26.

[0052] The operator then starts the stepper motor 10, causing the rotating shaft 11 to rotate along the rotating rod 9, which in turn causes the outer surface of the rod 8 to exert a thrust on the inner surface of the rear end of the movable plate 3. This pushes the movable plate 3, along with the scraper 4, connecting plate 5, and stop rod 6, to move. During the movement of the scraper 4, the first spring 7, which is in a compressed state, will exert a downward force on the stop rod 6, thereby forcing the connecting plate 5 and the scraper 4 to move downward. This causes the top of the scraper 4 and the filter plate 2 to come into contact with each other. In this way, the debris accumulated on the top of the filter plate 2 can be pushed into the collection box 14 by the movable plate 3 and the scraper 4, preventing it from clogging the filter plate 2.

[0053] After debris enters the collection box 14, the operator resets the movable plate 3 and the gate 26, and then starts the first servo motor 19, causing the first circular shaft 20 to drive the disc 21 to rotate. This causes the push rod 22 to rotate around the first circular shaft 20 under the drive of the disc 21. This causes the outer surface of the push rod 22 to exert a pushing force on the inner surface of the horizontal plate 18, pushing the horizontal plate 18, along with the long plate 17 and the pressure block 16, downward to compress the debris. This reduces the volume of debris inside the collection box 14. The compressed wastewater will enter the outer frame 12 through the filter holes on the outer surface of the collection box 14, and finally enter the interception box 1 through the return pipe 15. When the collection box 14 is full of debris, the operator pulls the handle 24, causing the handle 24 to move along with the locking plate 23 and compress the second spring 25, thereby releasing the locking plate 23 from locking the position of the cover plate 13. At this time, the operator can rotate to open the cover plate 13 and then take out the collection box 14 to collect the debris.

[0054] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0055] Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A self-cleaning anti-clogging device for municipal drainage pipes, comprising an interception box (1), characterized in that: A filter plate (2) is fixedly fitted inside the interception box (1). A movable plate (3) is movably connected to the left side of the top of the filter plate (2). The outer surface of the movable plate (3) is movably fitted to the inner surface of the interception box (1). A scraper (4) is movably fitted to the bottom of the interior of the movable plate (3). The bottom of the scraper (4) is movably connected to the top of the filter plate (2). A connecting plate (5) is fixedly installed at the top of the scraper (4). The top of the connecting plate (5) penetrates the movable plate (3) and extends into the interior of the movable plate (3), and a stop bar (6) is fixedly installed thereon. The outer surface of the stop bar (6) is movably fitted to the inner surface of the movable plate (3). A first spring (7) is fixedly installed at the top of the device. The other end of the first spring (7) is fixedly connected to the top of the inner surface of the movable plate (3). A round rod (8) is movably sleeved inside the rear end of the movable plate (3). A rotating rod (9) is fixedly sleeved on the outer surface of the round rod (8). The rear end of the rotating rod (9) is movably connected to the rear inner wall of the interception box (1). A stepper motor (10) is fixedly installed in the middle of the rear end of the interception box (1). A rotating shaft (11) is fixedly sleeved at the other end of the output shaft of the stepper motor (10). The front end of the rotating shaft (11) penetrates the interception box (1) and extends into the interior of the interception box (1) and is fixedly sleeved with the bottom end of the rotating rod (9).

2. The self-cleaning and anti-clogging device for municipal drainage pipes according to claim 1, characterized in that: An outer frame (12) is fixedly installed on the right end of the interception box (1), and a cover plate (13) is hinged to the top of the outer frame (12).

3. A self-cleaning anti-clogging device for municipal drainage pipes according to claim 2, characterized in that: The outer frame (12) is movably fitted with a collection box (14), the outer surface of the collection box (14) is movably connected to the outer surface of the interception box (1), and a return pipe (15) is fixedly fitted at the middle of the bottom end of the outer frame (12). The other end of the return pipe (15) passes through the interception box (1) and extends into the interior of the interception box (1).

4. A self-cleaning and anti-clogging device for municipal drainage pipes according to claim 3, characterized in that: The top of the collection box (14) is movably fitted with a pressure block (16). The top of the pressure block (16) is movably connected to the bottom of the cover plate (13). A long plate (17) is fixedly installed in the middle of the top of the pressure block (16). The top of the long plate (17) penetrates the cover plate (13) and extends to the outside of the cover plate (13), and a horizontal plate (18) is fixedly installed thereon.

5. A self-cleaning and anti-clogging device for municipal drainage pipes according to claim 2, characterized in that: A first servo motor (19) is fixedly installed on the right side of the top center of the cover plate (13). A first round shaft (20) is fixedly sleeved on the other end of the output shaft of the first servo motor (19). A disc (21) is fixedly sleeved on the outer surface of the first round shaft (20). The outer surface of the disc (21) is movably connected to the outer surface of the long plate (17) and the horizontal plate (18). A push rod (22) is fixedly sleeved on the top of the disc (21). The outer surface of the push rod (22) is movably sleeved on the inner surface of the horizontal plate (18).

6. A self-cleaning and anti-clogging device for municipal drainage pipes according to claim 2, characterized in that: A locking plate (23) is movably sleeved inside the left end of the cover plate (13). The left side of the outer surface of the locking plate (23) is movably sleeved with the inner surface of the right end of the interception box (1). A handle (24) is fixedly installed on the right end of the locking plate (23). The outer surface of the handle (24) is movably sleeved with the inner surface of the cover plate (13). A second spring (25) is fixedly installed at the bottom of the right end of the handle (24). The other end of the second spring (25) is fixedly connected to the inner surface of the cover plate (13).

7. A self-cleaning and anti-clogging device for municipal drainage pipes according to claim 1, characterized in that: A gate (26) is movably sleeved on the right inner wall of the interception box (1). The outer surface of the gate (26) is movably connected to the outer surface of the filter plate (2). A long rod (27) is hinged to the middle of the bottom end of the gate (26). A short rod (28) is hinged to the bottom of the right end of the long rod (27). The outer surface of the short rod (28) is movably connected to the right inner wall of the interception box (1).

8. A self-cleaning and anti-clogging device for municipal drainage pipes according to claim 1, characterized in that: A second servo motor (29) is fixedly installed at the bottom of the left end of the interception box (1). A second round shaft (30) is fixedly sleeved at the other end of the output shaft of the second servo motor (29). The right end of the second round shaft (30) passes through the interception box (1) and extends into the interior of the interception box (1) and is fixedly sleeved with the bottom end of the short rod (28). Support plates (32) located below the gate plate (26) are fixedly installed on the front and rear sides of the inner wall of the right side of the interception box (1). A first limiting rod (31) is movably sleeved inside the support plate (32). The top end of the first limiting rod (31) is fixedly connected to the bottom end of the gate plate (26).

9. A self-cleaning and anti-clogging device for municipal drainage pipes according to claim 1, characterized in that: A water inlet pipe (33) is fixedly sleeved at the middle of the top of the interception box (1), a drain pipe (34) is fixedly sleeved at the middle of the bottom of the interception box (1), a second limiting rod (35) is fixedly sleeved at the top of the inside of the interception box (1), and the left side of the outer surface of the second limiting rod (35) and the inner surface of the top of the movable plate (3) are movably sleeved together.

10. A method for operating a self-cleaning anti-clogging device for municipal drainage pipes according to any one of claims 1-9, characterized in that: The specific steps are as follows: When in use, sewage will enter the interior of the interception box (1) through the inlet pipe (33), and then be discharged through the drain pipe (34) after being filtered by the filter plate (2). At this time, the impurities in the sewage will be intercepted at the top of the filter plate (2). When the impurities accumulate too much, the operator first starts the second servo motor (29), so that the second round shaft (30) rotates through the short rod (28) and the bottom end of the long rod (27), thereby causing the other end of the long rod (27) to generate a pulling force on the gate plate (26), pulling the gate plate (26) and the first limit rod (31) to move along the inner surface of the support plate (32) until the gate plate (26) and the support plate (32) come into contact, thus realizing the opening of the gate plate (26). The operator then starts the stepper motor (10), causing the rotating shaft (11) to rotate along the rotating rod (9) and the round rod (8). This causes the outer surface of the round rod (8) to generate a thrust on the inner surface of the rear end of the movable plate (3), pushing the movable plate (3) to move along with the scraper (4), connecting plate (5), and stop rod (6). During the movement of the scraper (4), the first spring (7) in a compressed state will exert a downward force on the stop rod (6), thereby forcing the connecting plate (5) and the scraper (4) to move downward, so that the top of the scraper (4) and the filter plate (2) fit together. In this way, the debris accumulated on the top of the filter plate (2) can be pushed into the collection box (14) by the movable plate (3) and the scraper (4) to prevent it from clogging the filter plate (2). After the debris enters the collection box (14), the operator resets the movable plate (3) and the gate (26), and then starts the first servo motor (19), causing the first circular shaft (20) to drive the disc (21) to rotate. This causes the push rod (22) to rotate around the first circular shaft (20) under the drive of the disc (21). Consequently, the outer surface of the push rod (22) exerts a thrust on the inner surface of the horizontal plate (18), pushing the horizontal plate (18) along with the long plate (17) and the pressure block (16) downward to compress the debris, thereby reducing the collection volume. The volume of debris inside the collection box (14) is reduced, and the compressed sewage will enter the outer frame (12) through the filter holes on the outer surface of the collection box (14), and finally enter the interception box (1) through the return pipe (15). When the inside of the collection box (14) is full of debris, the operator pulls the handle (24), which moves the handle (24) with the locking plate (23) and compresses the second spring (25), thereby releasing the locking plate (23) from locking the position of the cover plate (13). At this time, the operator can rotate to open the cover plate (13) and then take out the collection box (14) to recycle the debris.