An intelligent dredging device for municipal drainage engineering pipelines

Abstract

The present application discloses an intelligent dredging device for municipal drainage pipelines, which relates to the technical field of municipal drainage projects and includes a sewage filter mechanism, a sewage stirring mechanism, and a flow rate sensor. The sewage filter mechanism includes a sewage filter, which is provided with a plurality of sewage filter holes. The sewage filter has a sewage collecting box at the bottom, and the interior of the sewage collecting box has a sewage collecting space. The sewage collecting box has a plurality of sewage inlets and a plurality of sewage outlets. The sewage stirring mechanism includes a sewage stirring member and a first driving member, the sewage stirring member is located in the sewage collecting space, the sewage stirring member is connected to the pipeline for rotation, and the first driving member drives the sewage stirring member to rotate. The flow rate sensor is located on one side of the sewage filter, and the flow rate sensor is connected to the first driving member for signal communication. The present application has a high dredging effect, is easy to use, and takes effect quickly, and can complete the dredging work on the municipal drainage pipeline without affecting its operation.

Description

Technical Field

[0001] The present application relates to the technical field of municipal drainage engineering, and in particular to an intelligent dredging device for municipal drainage engineering pipelines. Background Art

[0002] Municipal drainage projects refer to the drainage of rainwater, domestic sewage, and industrial wastewater, all of which must be discharged and treated through specially constructed trenches, pumping stations, and sewage treatment plants. Municipal drainage pipelines refer to the pipes and ancillary facilities used to discharge sewage, wastewater, and rainwater. Clogged municipal drainage pipelines pose a threat to both domestic life and sewage treatment in a city.

[0003] Wastewater discharged into municipal drainage pipelines is often mixed with sludge. As the wastewater flows through the pipeline, sludge accumulates at the bottom of the pipeline, particularly at bends. This accumulation can affect the flow of wastewater through the pipeline and, in severe cases, even lead to pipe blockage.

[0004] Existing solutions typically involve stopping the municipal sewer pipe when it becomes clogged, allowing staff to access the pipe and clear it with tools before resuming service. This solution is not only time-consuming and cumbersome, but also difficult to guarantee effective clearing. Furthermore, the pipe must be stopped for unclogging, preventing wastewater from being discharged promptly in parts of the city, impacting the lives of residents there. Summary of the Invention

[0005] The present application provides an intelligent dredging device for municipal drainage engineering pipelines, which has a high dredging effect, is easy to use, and takes effect quickly. It can complete the dredging work on the municipal drainage engineering pipelines without affecting the work of the pipelines, greatly reducing the impact of the dredging work on the discharge of urban wastewater.

[0006] This application provides an intelligent dredging device for municipal drainage engineering pipelines, which adopts the following technical solutions:

[0007] A municipal drainage project pipeline intelligent dredging device includes a sewage filter mechanism, a sewage stirring mechanism, and a flow rate sensor; the sewage filter mechanism includes a sewage filter element for intercepting and filtering sludge, the sewage filter element is arranged inside the pipeline, and the sewage filter element is provided with a plurality of sewage filter holes for filtering sludge; the sewage filter element has a sewage collection box at the bottom, and the sewage collection box has a sewage collection space inside; the sewage collection box is provided with a plurality of sewage inlets and a plurality of sewage outlets, the sewage inlet is located at an end of the sewage collection box close to the water inlet end of the pipeline, and the sewage outlet is located at an end of the sewage collection box close to the water outlet end of the pipeline, and the sewage inlet and the sewage outlet are both in communication with the sewage collection space;

[0008] The dirt stirring mechanism includes a dirt stirring member and a first driving member, wherein the dirt stirring member is located in the dirt collecting space and is rotatably connected to the pipe. The first driving member is disposed on the pipe and drives the dirt stirring member to rotate.

[0009] The flow velocity sensing component is arranged in the pipeline and is located on the side of the filter element close to the water inlet end of the pipeline. The flow velocity sensing component is signal-connected to the first driving component. The first driving component is normally closed. When the flow velocity sensing component senses that the flow velocity of the wastewater is within a predetermined range, the flow velocity sensing component controls the first driving component to start.

[0010] By adopting the above technical solution, when the wastewater mixed with sludge flows in the pipeline and contacts the filter element, the sludge with smaller particle size can continue to flow through the filter hole together with the wastewater. At the same time, the impact generated by the contact between the wastewater and the filter element can break up the sludge with larger particle size into sludge with smaller particle size, thereby reducing the probability of the pipeline being blocked due to the large sludge particle size; the sludge that fails to pass through the filter hole will be intercepted by the filter element and accumulated at the bottom of the pipeline. After the sludge accumulates, it can enter the sewage collection space through the sewage inlet. The sludge in the sewage collection space can be cut into smaller sludge particles after contacting the sewage stirring element. Under the action of the force and the mutual squeezing force of the sludge, smaller sludge particles can leave from the sewage outlet, thereby further reducing the probability of accumulation and blockage of the pipeline due to the large size of sludge particles; when the sludge intercepted by the filter accumulates at the bottom of the pipeline and causes a certain degree of blockage, the flow rate sensing component senses that the flow rate of the wastewater is within a predetermined range, and the first driving component will drive the stirring component to rotate. The stirring component rotates to cut the sludge in the sewage collecting space into smaller sludge particles, which can speed up the sludge accumulated at the bottom of the pipeline to enter the sewage collecting space and leave from the sewage outlet after being cut, thereby timely dredging the accumulated sludge, thereby reducing the probability of pipeline blockage.

[0011] Optionally, the rotation axis of the sewage stirring member is vertical, and the sewage stirring member is spiral along its own rotation axis; the sewage inlet is close to the bottom of the sewage collecting box, and the sewage outlet is close to the top of the sewage collecting box. When the flow rate sensing member senses that the flow rate of the wastewater is within a predetermined range, the sewage stirring member rotates to stir the sludge in the sewage collecting space and drives the sludge to move upward.

[0012] By adopting the above technical solution, the stirring element can not only stir and cut the sludge in the sewage collecting space after rotation, but also form a boosting force to guide the sludge accumulated at the bottom of the pipe intercepted by the sewage filter element into the sewage collecting space through the sewage inlet, and at the same time guide the sludge stirred and cut by the stirring element to move upward and leave the sewage outlet, thereby improving the efficiency of the stirring mechanism in reducing the particle size of sludge particles, and thereby reducing the probability of sludge accumulating at the bottom of the pipe and causing a certain degree of blockage due to low sludge cutting efficiency in the sewage collecting space.

[0013] Optionally, the sewage filtering mechanism further comprises a plurality of sewage crushing parts, and the plurality of sewage crushing parts are arranged on the cavity wall of the sewage collecting space and are located on the peripheral side of the sewage stirring part.

[0014] By adopting the above technical solution, when the sludge stirring member rotates to stir the sludge in the sludge collecting space, the sludge will move in the sludge collecting space after being stirred, and the sludge farther away from the sludge stirring member can move to contact the sludge crushing member and be crushed by the sludge crushing member to form smaller sludge particles, thereby further improving the efficiency of the sludge stirring mechanism in reducing the particle size of the sludge particles.

[0015] Optionally, the dirt filter is located at a bend in the pipeline, the dirt filter is rotatably connected to the pipeline, and the rotation axis of the dirt filter coincides with the rotation axis of the dirt stirring element;

[0016] The filter mechanism further includes a locking assembly for controlling whether the filter element can rotate, the locking assembly including a plurality of locking elements and a plurality of second driving elements. The filter element is provided with a plurality of locking grooves adapted to the locking elements. The second driving element is provided on the pipe and drives the locking elements to move in and out of the corresponding locking grooves.

[0017] The locking member is usually located in the locking groove, and the second driving member is connected to the flow rate sensing member by signal. When the flow rate sensing member senses that the flow rate of the wastewater is lower than a predetermined range, the second driving member drives the locking member to move out of the locking groove.

[0018] By adopting the above technical solution, when the sludge accumulates at the bottom of the pipe and causes a certain degree of blockage and the sludge blocks several filter holes on the filter element, the flow rate sensor senses that the flow rate of the wastewater is lower than the set range, and the locking component releases the lock on the filter element. Since the wastewater flows to the bend of the pipe, the flow rate of the outer circle wastewater will be greater than the flow rate of the inner circle wastewater, so that the force of the wastewater on the filter element can drive the filter element to rotate; during the rotation of the filter element, the filter element can scrape off the sludge accumulated and adhered to the pipe wall, and the filter element can block the sludge. The interception effect is weakened, thereby reducing the probability of sludge continuing to accumulate and worsening the blockage; the rotating filter element can stir the sludge accumulated at the bottom of the pipe, and the sludge accumulated in the filter holes can be thrown out, and the sludge can be crushed into smaller sludge particles in contact with the rotating filter element; at the same time, the rotation of the filter element can drive the rotation of several crushing elements, thereby further improving the efficiency of sludge cutting in the sewage collection space; and thus the sludge accumulated and blocked in the pipe can be dredged in a timely and rapid manner, so that the wastewater can resume circulation in the pipe.

[0019] Optionally, the filter element rotates in one direction, and the rotation direction of the filter element follows the turning direction of the pipeline.

[0020] By adopting the above technical solution, after the locking assembly releases the lock on the filter element, the direction in which the wastewater drives the filter element to rotate is fixed, so that the filter element can effectively use the force of the wastewater on itself to rotate, thereby increasing the rotation speed of the filter element driven by the wastewater, and thus improving the dredging effect of the filter element and the effect of crushing the sludge; when the force of the wastewater drives the filter element to rotate in the opposite direction of the pipe bend, the filter element cannot rotate, which will increase the impact force between the wastewater and the filter element at this time, thereby improving the effect of the sludge being crushed by the filter element, and at the same time can reduce the probability that the wastewater exerts forces on both ends of the filter element at the same time to offset each other, resulting in a slow rotation speed or even a failure of the filter element to rotate.

[0021] Optionally, the size of the sewage inlet is larger than the size of the sewage outlet; when the flow rate sensing component senses that the flow rate of the wastewater is lower than a predetermined range, the first driving component drives the sewage stirring component to rotate in the opposite direction, and the sewage stirring component rotates in the opposite direction to stir the sludge in the sewage collecting space and drive the sludge to move downward.

[0022] By adopting the above technical solution, when the flow rate sensing component senses that the flow rate of the wastewater is lower than the established range, it indicates that the degree of sludge blockage is relatively serious. The first driving component drives the sewage stirring component to rotate in the opposite direction, which can not only stir and cut the sludge blocked in the sewage collecting space, but also drive the sludge to leave from the sewage inlet, making it easier for the sludge to leave the sewage collecting space, thereby reducing the degree of blockage caused by the accumulation of sludge at the bottom of the pipe; at the same time, the sewage filter component rotates the sludge in the sewage collecting space while discharging it through the sewage inlet, which can make the sludge in the sewage collecting space discharged evenly, reducing the probability of the sludge continuing to accumulate and block the bottom of the pipe after being discharged.

[0023] Optionally, the locking assembly further comprises a mounting seat, a plurality of the locking members are movably connected to the mounting seat, the mounting seat is rotatably connected to the pipe, and the rotation axis of the mounting seat coincides with the rotation axis of the filter element; the filter mechanism further comprises a third driving member, the third driving member is disposed on the pipe, the third driving member drives the mounting seat to rotate, and the rotation direction of the mounting seat is the same as the rotation direction of the filter element;

[0024] The filter mechanism further includes a plurality of magnetic parts, which are respectively arranged on a plurality of locking parts and on the groove walls of a plurality of locking grooves. The magnetic parts on the locking parts are magnetically attracted to the magnetic parts on the locking grooves. When the locking parts move out of the locking grooves, the mounting seat rotates to drive the filter part to rotate.

[0025] By adopting the above technical solution, when the flow rate sensing member senses that the flow rate of the wastewater is lower than the established range and then returns to the established range, the third driving member is controlled to drive the mounting seat to rotate, and the filter element can be guided to rotate through the magnetic attraction between the magnetic member on the locking member and the magnetic member in the locking groove, so that the filter element is rotated to the initial state, which is convenient for the staff to adjust the position state of the filter element when it does not need to be rotated; and, due to the magnetic attraction between the magnetic member on the locking member and the magnetic member in the locking groove, during the process of the mounting seat rotating to drive the filter element to rotate, the locking member and the corresponding locking groove can remain aligned, which is convenient for the subsequent control of the second driving member to drive the locking member to move in and out of the locking groove.

[0026] Optionally, the third driving member is connected to the flow velocity sensing member by signal. When the flow velocity sensing member senses that the flow velocity of the wastewater is lower than a predetermined range and then returns to the predetermined range, the third driving member drives the mounting seat to rotate one circle, and then the second driving member drives the locking member to move into the locking groove.

[0027] By adopting the above technical solution, when the flow rate sensing component senses that the flow rate of the wastewater is lower than the predetermined range and then returns to the predetermined range, the flow rate sensing component outputs a signal to control the third driving component to drive the mounting seat to rotate one circle from the initial state and then reset. During the rotation of the mounting seat, no matter what position the filter element rotates to at this time, the magnetic attraction between the mounting seat and the filter element can drive the filter element to rotate and reset, which can make the process of rotating and resetting the filter element more convenient and quick.

[0028] Optionally, the pollution filtering mechanism further includes a displacement sensing element, which is provided on the pollution filtering element and is signal-connected to the second driving element and the third driving element;

[0029] When the flow rate sensing component senses that the flow rate of the wastewater is lower than a predetermined range and the displacement sensing component senses that the filter element remains in position, the second driving component drives the locking component into the locking groove, and the third driving component drives the mounting seat to rotate.

[0030] By adopting the above technical solution, when the sludge accumulation and blockage are serious and the filter element cannot rotate under the action of wastewater due to the sludge accumulation and blockage, the second driving member will drive the locking member to move into the locking groove, and the third driving member will drive the mounting seat to rotate and drive the filter element to rotate together, thereby ensuring that the filter element can rotate to dredge the pipeline when the sludge accumulation and blockage are serious, thereby improving the reliability of the intelligent dredging device in dredging pipelines.

[0031] In summary, this application has at least one of the following beneficial effects:

[0032] 1. It can reduce the particle size of sludge mixed in wastewater by crushing, cutting, stirring, etc., thereby reducing the probability of pipeline blockage caused by large sludge particle size, and thus reducing the probability of pipeline blockage caused by sludge accumulation from the source;

[0033] 2. It can complete the dredging work without affecting the work of municipal drainage pipelines, greatly reducing the impact of dredging work on urban wastewater discharge;

[0034] 3. It can automatically carry out different types of pipeline dredging operations according to the different degrees of sludge accumulation and blockage. It has good dredging effect, is easy to use, takes effect quickly, and has a high degree of intelligence. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 This is a schematic structural diagram of an intelligent dredging device for municipal drainage engineering pipelines according to an embodiment of the present application;

[0036] Figure 2 This is a cross-sectional view of an intelligent dredging device for municipal drainage pipelines according to an embodiment of the present application;

[0037] Figure 3 yes Figure 2 Enlarged view of point A in the middle;

[0038] Figure 4 This is a brief schematic diagram of an embodiment of the present application when applied to a pipe bend.

[0039] Explanation of the accompanying reference numerals: 1. Waste filtering mechanism; 11. Waste filtering element; 111. Waste filtering hole; 112. Locking groove; 12. Waste collecting box; 121. Waste collecting space; 122. Waste inlet; 123. Waste outlet; 13. Waste crushing element; 14. Locking assembly; 141. Locking element; 142. Second driving element; 143. Mounting seat; 15. Third driving element; 16. Magnetic element; 17. Displacement sensing element; 2. Waste stirring mechanism; 21. First driving element; 22. Waste stirring element; 3. Flow rate sensing element; 4. Pipeline. DETAILED DESCRIPTION

[0040] The following is combined with Figure 1-4 This application is described in further detail.

[0041] Reference Figure 1 The present invention discloses an intelligent dredging device for municipal drainage pipelines, comprising a sewage filter mechanism 1, a sewage agitation mechanism 2, and a flow rate sensor 3. As wastewater flows through a pipeline 4, the sewage filter mechanism 1 filters sludge contained in the wastewater, reducing the size of sludge particles and reducing the probability of clogging caused by sludge particle accumulation. The sewage agitation mechanism 2 stirs sludge accumulated at the bottom of the pipeline 4 due to the action of the sewage filter mechanism 1, further reducing the probability of sludge accumulation and clogging. The flow rate sensor 3 detects the flow rate of the wastewater and, based on the detected value, controls the sewage filter mechanism 1 and sewage agitation mechanism 2 to dredge the sludge accumulated and clogged in the pipeline 4 in different ways.

[0042] The sewage filtering mechanism 1 includes a sewage filtering element 11, which is installed in the pipe 4. Preferably, the pipe 4 is a circular pipe, and correspondingly, the sewage filtering element 11 is preferably a circular plate-shaped structure as a whole.

[0043] The filter element 11 is fixed in the pipe 4 . When the filter element 11 is fixed, the circumference of the filter element 11 abuts against the inner wall of the pipe 4 , and the axis of the filter element 11 coincides with the axis of the pipe 4 .

[0044] Reference Figure 1 and Figure 2The filter element 11 is provided with a plurality of filter holes 111 along its own axial direction. Wastewater and sludge particles with a particle size smaller than a certain value can pass through the filter holes 111; sludge particles with a particle size larger than a certain value will be intercepted by the filter element 11, and some sludge particles with larger particle sizes will be crushed into sludge particles with smaller particle sizes by contacting the filter element 11 and pass through the filter holes 111. The remaining sludge particles with larger particle sizes will fall to the bottom of the pipe 4 under the action of their own gravity and accumulate on the side of the filter element 11 close to the water inlet end.

[0045] The bottom of the filter element 11 has a waste collection box 12, which is preferably cylindrical in structure. The filter element 11 has a plurality of waste collection holes 111 distributed around the waste collection box 12. The outer surface of the waste collection box 12 is preferably a smooth, curved surface. When sludge particles flow with the wastewater and come into contact with the outer surface of the waste collection box 12, the smooth, curved surface guides the sludge particles toward the waste collection holes 111 distributed around the waste collection box 12.

[0046] The bottom of the sewage collection box 12 is bonded to the bottom of the inner wall of the pipe 4 via a flexible material (such as rubber). A cylindrical sewage collection space 121 is defined within the sewage collection box 12, and the axis of the sewage collection box 12 intersects perpendicularly with the axis of the sewage filter 11. The sewage collection box 12 is provided with a plurality of sewage inlets 122 and a plurality of sewage outlets 123. Preferably, the sewage collection box 12 has a total of one sewage inlet 122 and multiple sewage outlets 123. The sewage inlet 122 is located at the end of the sewage collection box 12 near the water inlet, and the multiple sewage outlets 123 are all located at the end of the sewage collection box 12 near the water outlet. Both the sewage inlet 122 and the sewage outlet 123 communicate with the sewage collection space 121. The size of the sewage inlet 122 is preferably larger than that of the sewage outlet 123, and the size of the sewage outlet 123 is equal to the size of the sewage filter hole 111. In addition, the sewage inlet 122 is preferably close to the bottom of the sewage collection box 12, and the sewage outlet 123 is close to the top of the sewage collection box 12. Sludge particles accumulated at the bottom of the pipe 4 on the side of the sewage filter 11 near the water inlet can enter the sewage collection space 121 through the sewage inlet 122, and sludge particles with a particle size smaller than a certain value can leave the sewage collection space 121 through the sewage outlet 123.

[0047] The dirt-stirring mechanism 2 includes a first drive member 21 and a dirt-stirring member 22. The dirt-stirring member 22 is located in the dirt-collecting space 121 and has a sharp-edged spiral structure. The dirt-stirring member 22 is rotatably connected to the pipe 4, with its rotational axis coinciding with the axis of the dirt-collecting box 12. The first drive member 21 is fixedly mounted on the outer surface of the bottom of the pipe 4. Preferably, the first drive member 21 is a servo motor. The output end of the first drive member 21 passes through the pipe 4 and is fixedly connected to the dirt-stirring member 22. The first drive member 21 drives the dirt-stirring member 22 to rotate.

[0048] The flow rate sensor 3 is fixedly mounted at the bottom of the inner wall of the pipe 4. When the filter 11 is fixed, the flow rate sensor 3 is located on the side of the filter 11 near the water inlet. The flow rate sensor 3 detects and senses the flow velocity of the wastewater when it flows near the filter 11, and a predetermined range is set on the flow rate sensor 3. When the value detected by the flow rate sensor 3 is lower than the predetermined range, the sludge has not accumulated on the side of the filter 11 near the water inlet, causing blockage or the blockage is relatively light. When the value detected by the flow rate sensor 3 is within the predetermined range, the sludge has accumulated on the side of the filter 11 near the water inlet, causing a certain degree of blockage. When the value detected by the flow rate sensor 3 is lower than the predetermined range, the sludge has accumulated on the side of the filter 11 near the water inlet, causing serious blockage. The flow rate sensor 3 is preferably a velocity sensor. Since velocity sensors are common existing technologies, they will not be described in detail here.

[0049] The flow velocity sensing element 3 is connected to the first driving element 21 by signal. When the value sensed by the flow velocity sensing element 3 is within a predetermined range, the flow velocity sensing element 3 will output a signal to control the first driving element 21 to drive the dirt stirring element 22 to rotate in a certain direction. The dirt stirring element 22 rotates to stir the sludge in the dirt collecting space 121 and can cut the sludge particles with larger particle size into sludge particles with smaller particle size. At the same time, the dirt stirring element 22 during the rotation process can generate an upward pushing force on the sludge in the dirt collecting space 121, thereby accelerating the sludge particles accumulated on the side of the filter element 11 close to the water inlet end to enter the dirt collecting space 121 through the dirt inlet 122, and at the same time accelerate the sludge particles with smaller particle size in the dirt collecting space 121 to leave the dirt collecting space 121 through the dirt outlet 123.

[0050] Furthermore, the sewage filtering mechanism 1 further includes a plurality of sewage crushing members 13, each of which is located in the sewage collecting space 121 and fixedly mounted on the inner wall of the sewage collecting box 12. Preferably, the sewage crushing members 13 are strip-shaped structures with sharp edges. When the sewage stirring member 22 rotates to stir the sludge in the sewage collecting space 121, the stirred sludge can move to contact the sewage crushing members 13, thereby increasing the probability that larger sludge particles will be cut into smaller sludge particles, thereby improving the efficiency of cutting the sludge particles.

[0051] Furthermore, it is preferred that several dirt-crushing pieces 13 are connected end to end to form a spiral shape, so that the cutting range of the dirt-crushing pieces 13 on the sludge particles is expanded, which can effectively reduce the dead angles in the dirt-collecting space 121 where the sludge particles cannot be cut.

[0052] Reference Figure 2 and Figure 3In one embodiment, the filter element 11 also has a rotational state, and the filter mechanism 1 further includes a locking assembly 14 for controlling the switching state of the filter element 11. A rotation axis extends outward from the top of the filter element 11 and is rotatably connected to the pipe 4. The rotation axis of the filter element 11 coincides with the rotation axis of the dirt stirring element 22. The locking assembly 14 includes a plurality of locking members 141, a plurality of second driving members 142 and a mounting seat 143. The mounting seat 143 is located on the outside of the top of the pipe 4, and the vertical center line of the mounting seat 143 coincides with the rotation axis of the filter element 11; the plurality of second driving members 142 are fixedly mounted on the mounting seat 143, and the plurality of second driving members 142 are distributed in a circular array on the mounting seat 143 with the vertical center line of the mounting seat 143 as the axis; the locking member 141 is movably connected to the mounting seat 143, and the locking member 141 is located on the side of the second driving member 142 close to the vertical center line of the mounting seat 143. The movable direction of the locking member 141 is perpendicular to the vertical center line of the mounting seat 143, and the plurality of locking members 141 are also distributed in a circular array on the mounting seat 143 with the vertical center line of the mounting seat 143 as the axis. Preferably, the second driving member 142 is a cylinder, and the end of the piston rod on the second driving member 142 is fixedly connected to the locking member 141 , and the second driving member 142 controls the movement of the locking member 141 .

[0053] The rotating shaft of the filter element 11 passes through the pipe 4, and the portion of the shaft extending therefrom is provided with a plurality of locking slots 112 that mate with the locking members 141. When the filter element 11 is fixed, the plurality of second driving members 142 ensure that the corresponding locking members 141 move into engagement with the corresponding locking slots 112. When the filter element 11 is rotating, the plurality of second driving members 142 ensure that the corresponding locking members 141 move out of the corresponding locking slots 112.

[0054] The second driving member 142 is also connected to the pressure sensor signal. When the flow velocity sensing member 3 detects that the value sensed is lower than the predetermined range or is within the predetermined range, the flow velocity sensing member 3 will output a signal to control the second driving member 142 to drive the locking member 141 to move into the locking groove 112 and maintain it. At this time, the filter 11 is in a fixed state; when the flow velocity sensing member 3 detects that the value sensed is lower than the predetermined range, the flow velocity sensing member 3 will output a signal to control the second driving member 142 to drive the locking member 141 to move out of the locking groove 112 and maintain it. At this time, the filter 11 is in a rotating state, and at this time, there is a certain distance between the locking member 141 and the opening position of the corresponding locking groove 112.

[0055] In addition, when the value sensed by the flow velocity sensor 3 is lower than a predetermined range, the flow velocity sensor 3 will also output a signal to control the first driving member 21 to drive the dirt stirring member 22 to rotate in the opposite direction of the original rotation direction. After the dirt stirring member 22 rotates in the opposite direction, it can still stir and cut the sludge in the dirt collecting space 121, and at the same time, it can generate a downward force on the sludge in the dirt collecting space 121, accelerating the sludge in the dirt collecting space 121 to leave the dirt collecting space 121 through the dirt inlet 122, thereby reducing the accumulation and blockage of sludge in and near the dirt collecting space 121. When the sludge in the dirt collecting space 121 leaves the dirt collecting space 121 through the dirt inlet 122, the dirt collecting box 12 rotates together with the dirt filter 11, that is, the sludge in the dirt collecting space 121 is evenly discharged to the surroundings of the dirt filter 11, reducing the probability of sludge continuing to accumulate and form blockage after discharge.

[0056] Furthermore, during the rotation of the filter element 11, the spiral structure formed by the plurality of crushing elements 13 can stir and cut the sludge in the sewage collecting space 121, and can also generate a downward driving force on the sludge in the sewage collecting space 121, thereby further accelerating the speed at which the sludge is discharged from the sewage collecting space 121 through the sewage inlet 122, thereby improving the efficiency of clearing blockages.

[0057] When filter element 11 is rotating, the force exerted by the wastewater flowing into and out of filter 11 causes it to rotate, maintaining a distance between the rotating filter element 11 and the flow sensor 3. This rotation allows wastewater to pass through the gap between filter element 11 and the inner wall of pipe 4. Simultaneously, the rotating filter element 11 dislodges sludge accumulated around it and scrapes off any sludge adhering to the inner wall of pipe 4. Furthermore, the rotation of filter element 11 dislodges sludge that has clogged filter holes 111. Furthermore, when the wastewater, mixed with sludge, comes into contact with the rotating filter element 11, the rotating filter element 11 effectively breaks up the sludge.

[0058] Reference Figure 2 and Figure 4 Furthermore, it is preferred that the filter element 11 be installed in the pipe 4 at a bend in the pipe 4. When wastewater flows through the bend in the pipe 4, the flow rate of the wastewater near the outer circle will be greater than the flow rate of the wastewater near the inner circle. As a result, when the wastewater contacts the filter element 11, the forces exerted by the wastewater on both ends of the filter element 11 are different in magnitude, thereby enabling the filter element 11 to rotate under the force of the wastewater, and the rotation direction of the filter element 11 will follow the bend direction of the pipe 4 where the filter element 11 is located.

[0059] Furthermore, the rotational connection between the filter element 11 and the pipe 4 is preferably a one-way rotational connection, meaning that the filter element 11 rotates in the direction of the bend in the pipe 4 where it is located. The force generated by the wastewater contacting the outer end of the filter element 11 near the bend in the pipe 4 will propel the filter element 11 to rotate, while the force generated by the wastewater contacting the inner end of the filter element 11 near the bend in the pipe 4 will not propel the filter element 11 to rotate. This improves the filter element 11's utilization of the wastewater's own force, thereby accelerating the filter element 11's rotation under the force of the wastewater. Furthermore, when the wastewater contacts the inner end of the filter element 11 near the bend in the pipe 4, the filter element 11's sludge-crushing effect is further enhanced. Since the structure for achieving one-way rotation between the filter element 11 and the pipe 4 is common in the prior art (such as a ratchet and pawl connection), it will not be described here, and the specific structure will be omitted from the accompanying drawings.

[0060] Reference Figure 2 and Figure 3 In one embodiment, the filtering mechanism 1 further includes a third driving member 15, which is fixedly mounted on the surface of the top of the pipe 4. Preferably, the third driving member 15 is also a servo motor. The third driving member 15 is located above the mounting seat 143, and the output end of the third driving member 15 is fixedly connected to the mounting seat 143. The third driving member 15 can drive the mounting seat 143 to rotate.

[0061] The third driving member 15 is also connected to the flow velocity sensing member 3 signal. When the value detected by the flow velocity sensing member 3 is lower than the set range and then decreases to within the set range or lower than the set range, the flow velocity sensing member 3 will transmit a signal to control the third driving member 15 to drive the mounting seat 143 to rotate. Preferably, the third driving member 15 will drive the mounting seat 143 to rotate slowly one circle each time it receives a signal.

[0062] The filter mechanism 1 further includes a plurality of magnetic members 16, which are fixedly mounted on the ends of the locking members 141 away from the second driving member 142 and on the bottom walls of the locking slots 112. Preferably, the magnetic members 16 are magnets, and the magnetic members 16 on the locking members 141 are magnetically attracted to the magnetic members 16 in the corresponding locking slots 112.

[0063] When the flow rate sensing component 3 outputs a signal to the third driving component 15 to control it to drive the mounting seat 143 to slowly rotate one circle, the flow rate sensing component 3 simultaneously outputs a signal to several second driving components 142 to control them to drive the locking component 141 to move to a state close to the locking groove 112 but not entering the locking groove 112. At this time, the magnetic attraction force between the magnetic component 16 on the locking component 141 and the magnetic component 16 in the locking groove 112 can satisfy the rotation of the mounting seat 143 to drive the several locking components 141 to rotate, and can also drive the filter component 11 to rotate.

[0064] As the third driver 15 slowly rotates the mounting seat 143 one full revolution, regardless of the position of the filter element 11, when the mounting seat 143 rotates until the locking elements 141 are aligned with their corresponding locking slots 112, the mounting seat 143 continues to rotate, driving the filter element 11 to rotate through the magnetic attraction between the magnetic elements 16. When the mounting seat 143 completes one full revolution, the filter element 11 returns to its fixed position. If the value sensed by the flow velocity sensor 3 is within or exceeds a predetermined range, the flow velocity sensor 3 controls the second driver 142 to move the locking elements 141 into their corresponding locking slots 112, shifting the filter element 11 from its rotating position to its fixed position. As the locking elements 141 enter their corresponding locking slots 112, the magnetic attraction between the magnetic elements 16 on the locking elements 141 and within the corresponding locking slots 112 facilitates smooth insertion of the locking elements 141 into their corresponding locking slots 112.

[0065] In one embodiment, the filter mechanism 1 further includes a displacement sensor 17, which is fixedly mounted on the end of the filter element 11 that is distal from the filter element's rotational axis. This sensor is used to detect the displacement of the filter element 11, specifically, the rotational speed of the filter element 11 when the filter element 11 is rotating. Preferably, the sensor is a displacement sensor, which is a common technology and will not be described in detail here.

[0066] The displacement sensing element 17 is also connected to the flow velocity sensing element 3 by signal. When the value sensed by the flow velocity sensing element 3 is lower than a predetermined range, the flow velocity sensing element 3 drives the displacement sensing element 17 to start operation. In other cases, the displacement sensing element 17 is in standby mode.

[0067] The displacement sensing member 17 is also signal-connected to the third driving member 15 and the plurality of second driving members 142. When the flow velocity sensing member 3 starts to operate, if the value sensed by the flow velocity sensing member 3 is 0 or less than a certain value, it means that the force exerted by the wastewater on the filter element 11 cannot drive the filter element 11 to rotate or the effect of driving the filter element 11 to rotate is poor, which further indicates that the sludge accumulation and blockage are serious, making it difficult for the filter element 11 to rotate; at this time, the displacement sensing member 17 will output a signal to the third driving member 15 and the plurality of second driving members 142, first controlling the plurality of second driving members 142 to drive the locking member 141 to move into the corresponding locking groove 112, and then controlling the third driving member 15 to drive the mounting seat 143 to rotate. The rotation of the mounting seat 143 will drive the filter element 11 to rotate, so that the sludge accumulated and blocked around the filter element 11 can be cleared in time to ensure the clearing effect. If the value sensed by the flow rate sensor 3 is greater than a certain value, it means that the force exerted by the wastewater on the filter element 11 is sufficient to drive the filter element 11 to rotate and clear the sludge accumulated around it, without the need for the third driving element 15 to provide power.

[0068] In actual applications, the above-mentioned flow velocity sensor 3, displacement sensor 17, first drive member 21, several second drive members 142 and third drive member 15 are all externally connected to the power supply via lines. This is a common existing technology, so it will not be described here in detail, and it is omitted in the accompanying drawings.

[0069] The implementation principle of the intelligent dredging device for municipal drainage engineering pipelines in the embodiment of the present application is as follows:

[0070] When wastewater flows in the pipe 4, the filter element 11 can filter the sludge mixed in the wastewater, allowing the sludge particles with smaller particle sizes to pass through the plurality of filter holes 111, and can also crush the sludge particles with larger particle sizes into sludge particles with smaller particle sizes, thereby reducing the probability of sludge accumulation and blockage from the root;

[0071] When it is detected that the sludge accumulation and blockage are relatively light, the first driving member 21 drives the sludge stirring member 22 to rotate to stir and cut the sludge, thereby reducing the particle size of the sludge particles and accelerating the sludge particles to pass through the filter element 11, thereby reducing the probability of further sludge accumulation and blockage, and at the same time clearing the sludge accumulation and blockage.

[0072] When it is detected that the sludge accumulation and blockage are serious, the filter element 11 can rotate to turn over the sludge accumulated and blocked around it, and the sludge can easily pass through the filter element 11, effectively clearing the sludge accumulation and blockage, and reducing the probability of further accumulation and blockage of sludge at this location.

[0073] The above are all preferred embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An intelligent dredging device for municipal drainage pipelines, characterized in that: The invention comprises a sewage filter mechanism (1), a sewage stirring mechanism (2) and a flow rate sensor (3); the sewage filter mechanism (1) comprises a sewage filter member (11) for intercepting and filtering sludge, the sewage filter member (11) is arranged inside the pipe (4), and the sewage filter member (11) is provided with a plurality of sewage filter holes (111) for filtering sludge; the bottom of the sewage filter member (11) is provided with a sewage collecting box (12), and the interior of the sewage collecting box (12) is provided with a sewage collecting space (121); the sewage collecting box (12) is provided with a plurality of sewage inlets (122) and a plurality of sewage outlets (123), the sewage inlets (122) are located at one end of the sewage collecting box (12) close to the water inlet end of the pipe (4), and the sewage outlets (123) are located at one end of the sewage collecting box (12) close to the water outlet end of the pipe (4), and both the sewage inlets (122) and the sewage outlets (123) are communicated with the sewage collecting space (121); The dirt stirring mechanism (2) comprises a dirt stirring member (22) and a first driving member (21); the dirt stirring member (22) is located in the dirt collecting space (121); the dirt stirring member (22) is rotatably connected to the pipe (4); the first driving member (21) is disposed on the pipe (4); and the first driving member (21) drives the dirt stirring member (22) to rotate; The flow velocity sensing element (3) is arranged in the pipe (4) and is located on a side of the filter element (11) close to the water inlet end of the pipe (4). The flow velocity sensing element (3) is signal-connected to the first driving element (21); the first driving element (21) is normally closed, and when the flow velocity sensing element (3) senses that the flow velocity of the wastewater is within a predetermined range, the flow velocity sensing element (3) controls the first driving element (21) to start. The rotation axis of the dirt stirring member (22) is vertical, and the dirt stirring member (22) is spirally shaped along its own rotation axis; the dirt inlet (122) is close to the bottom of the dirt collecting box (12), and the dirt outlet (123) is close to the top of the dirt collecting box (12); when the flow rate sensing member (3) senses that the flow rate of the wastewater is within a predetermined range, the dirt stirring member (22) rotates to stir the sludge in the dirt collecting space (121) and drives the sludge to move upward.

2. The intelligent dredging device for municipal drainage pipelines according to claim 1, characterized in that: The sewage filtering mechanism (1) further comprises a plurality of sewage crushing parts (13), wherein the plurality of sewage crushing parts (13) are arranged on the cavity wall of the sewage collecting space (121) and are located on the peripheral side of the sewage stirring part (22).

3. The intelligent dredging device for municipal drainage pipelines according to claim 1, characterized in that: The dirt filter (11) is located at a turning point of the pipeline (4), the dirt filter (11) is rotatably connected to the pipeline (4), and the rotation axis of the dirt filter (11) coincides with the rotation axis of the dirt stirring member (22); The filter mechanism (1) further comprises a locking assembly (14) for controlling whether the filter element (11) can rotate, the locking assembly (14) comprising a plurality of locking elements (141) and a plurality of second driving elements (142), the filter element (11) being provided with a plurality of locking grooves (112) adapted to the locking elements (141), the second driving elements (142) being arranged on the pipe (4), and the second driving elements (142) driving the locking elements (141) to move in and out of the corresponding locking grooves (112); The locking member (141) is normally located in the locking groove (112), and the second driving member (142) is connected to the flow velocity sensing member (3) by signal. When the flow velocity sensing member (3) senses that the flow velocity of the wastewater is lower than a predetermined range, the second driving member (142) drives the locking member (141) to move out of the locking groove (112).

4. The intelligent dredging device for municipal drainage pipelines according to claim 3, characterized in that: The dirt filter (11) rotates in one direction, and the rotation direction of the dirt filter (11) follows the turning direction of the pipeline (4).

5. The intelligent dredging device for municipal drainage pipelines according to claim 4, characterized in that: The size of the sewage inlet (122) is larger than the size of the sewage outlet (123); when the flow rate sensing member (3) senses that the flow rate of the wastewater is lower than a predetermined range, the first driving member (21) drives the sewage stirring member (22) to rotate in the reverse direction, and the sewage stirring member (22) rotates in the reverse direction to stir the sludge in the sewage collecting space (121) and drive the sludge to move downward.

6. The intelligent dredging device for municipal drainage pipelines according to claim 4, characterized in that: The locking assembly (14) further comprises a mounting seat (143), a plurality of the locking members (141) are movably connected to the mounting seat (143), the mounting seat (143) is rotatably connected to the pipe (4), and the rotation axis of the mounting seat (143) coincides with the rotation axis of the filter element (11); the filter mechanism (1) further comprises a third driving member (15), the third driving member (15) is arranged on the pipe (4), the third driving member (15) drives the mounting seat (143) to rotate, and the rotation direction of the mounting seat (143) is the same as the rotation direction of the filter element (11); The filter mechanism (1) further comprises a plurality of magnetic members (16), wherein the plurality of magnetic members (16) are respectively arranged on the plurality of locking members (141) and on the groove walls of the plurality of locking grooves (112), and the magnetic members (16) on the locking members (141) are magnetically attracted to the magnetic members (16) on the locking grooves (112); when the locking members (141) move away from the locking grooves (112), the mounting seat (143) rotates to drive the filter member (11) to rotate.

7. The intelligent dredging device for municipal drainage pipelines according to claim 6, characterized in that: The third driving member (15) is connected to the flow velocity sensing member (3) by signal. When the flow velocity sensing member (3) senses that the flow velocity of the wastewater is lower than a predetermined range and then returns to the predetermined range, the third driving member (15) drives the mounting seat (143) to rotate one circle, and then the second driving member (142) drives the locking member (141) to move into the locking groove (112).

8. The intelligent dredging device for municipal drainage pipelines according to claim 6, characterized in that: The dirt filtering mechanism (1) further comprises a displacement sensing component (17), wherein the displacement sensing component (17) is arranged on the dirt filtering component (11), and the displacement sensing component (17) is signal-connected to the second driving component (142) and the third driving component (15); When the flow rate sensing member (3) senses that the flow rate of the wastewater is lower than a predetermined range and the displacement sensing member (17) senses that the filter element (11) remains in a fixed position, the second driving member (142) drives the locking member (141) into the locking groove (112), and the third driving member (15) drives the mounting seat (143) to rotate.

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