A pipeline dredging and cleaning device

By designing a pipe dredging and cleaning device suitable for pipes of different diameters, and utilizing a support assembly for fixation, a push rod assembly for advancement, and a high-pressure jet nozzle from a dredging drill bit to clear blockages, the problem of insufficient friction in existing technologies has been solved, achieving efficient pipe dredging and cleaning effects.

CN116618394BActive Publication Date: 2026-07-21CHINA CONSTR THIRD BUREAU GREEN IND INVESTMENT CO LTD +2
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
CHINA CONSTR THIRD BUREAU GREEN IND INVESTMENT CO LTD
Filing Date
2023-05-17
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing pipe cleaning devices suffer from insufficient friction due to the slippery inner walls of pipes during the dredging process, making it difficult to provide enough progressive force, which affects the cleaning effect and limits their applicability.

Method used

A pipe dredging and sludge removal device was designed, including a progressive section, a power section, a support assembly, and a sludge removal assembly. The support assembly is fixed to the pipe wall, the push rod assembly provides the progressive force, the dredging drill bit and high-pressure jet nozzles clear blockages, the inclined scraper removes sludge, and the sensing assembly adjusts the device in real time to adapt to different pipe diameters.

Benefits of technology

It improves the strength and efficiency of dredging and cleaning, expands the scope of application of the equipment, and can adapt to pipes of different diameters to achieve efficient dredging and sludge removal.

✦ Generated by Eureka AI based on patent content.

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Abstract

The application discloses a pipeline dredging and desilting device, which comprises a progressive part, a power part and a support assembly. The progressive part is used for extending into the pipeline interior to perform a dredging process, and the end part of the progressive part is provided with a dredging assembly. The power part is provided with a push rod assembly, the push rod assembly is used for connecting the power part and the progressive part to enable telescopic adjustment therebetween, and the tail end of the power part is provided with a desilting assembly. The support assembly can be adapted to the pipeline diameter to support the progressive part and the power part. In the dredging process, the power part is fixed to the pipeline wall through the support assembly, and then the push rod assembly is arranged to push the progressive part and the dredging assembly at the end part of the progressive part to act on the blockage to perform dredging, so that the dredging force is effectively improved, the dredging effect is improved, and the working range of the device is effectively improved.
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Description

Technical Field

[0001] This invention relates to the field of pipe dredging devices, and more particularly to a pipe dredging and sludge removal device. Background Technology

[0002] Water conservancy projects are engineering projects constructed to control and regulate surface water and groundwater in nature to achieve the purpose of eliminating harm and promoting benefits; they are also called water engineering projects. Water conservancy projects require the construction of different types of hydraulic structures such as dams, dikes, spillways, sluices, intakes, canals, ferries, raft channels, and fishways to achieve their goals. Water pipelines refer to the pipes built during the construction of water conservancy projects. Water pipelines mainly dredge surface water, which contains a lot of residue and is prone to clogging. Therefore, the use of dredging equipment is essential when connecting water pipelines.

[0003] When blockages occur inside pipes, the cleaning range of the dredging equipment is limited due to the pipe's diameter and depth, significantly impacting the dredging work. While existing pipe dredging devices can be adapted to pipes of different diameters, the slippery inner wall of the pipe reduces friction between the dredging equipment and the pipe during the unblocking process, making it difficult to provide the necessary progressive force for unblocking. Therefore, a pipe dredging and cleaning device is proposed to address these issues. Summary of the Invention

[0004] The purpose of this invention is to address the shortcomings mentioned above by providing a pipe dredging and cleaning device that is applicable to a wide range of pipes, can be adapted to pipes of different diameters for dredging and cleaning, and has high dredging efficiency.

[0005] To solve the above-mentioned technical problems, the present invention adopts the following technical solution: a pipe dredging and cleaning device, comprising:

[0006] The advancing section has a clearing component at its end, which is used to move the clearing component.

[0007] The power unit is equipped with a push rod assembly, which connects the power unit and the advancing unit to enable telescopic adjustment between the two. A sludge removal component is provided at the tail end of the power unit.

[0008] Support assembly, which can be adapted to the pipe diameter to support the advancement section and the power section.

[0009] Furthermore, the unblocking assembly includes an unblocking drill bit rotatably connected to the end of the advancing part. The advancing part is equipped with an unblocking motor that drives the unblocking drill bit. The unblocking drill bit is provided with evenly distributed high-pressure spray holes. A high-pressure rotating pipe is provided on one side of the unblocking drill bit. The unblocking motor and the high-pressure rotating pipe are arranged in parallel. The output end of the unblocking motor and the end of the high-pressure rotating pipe are both provided with mutually meshing transmission wheels.

[0010] Furthermore, both the advancing section and the power section are equipped with connecting pipes, and a telescopic pipe connecting the two connecting pipes is provided between the advancing section and the power section. The connecting pipe is equipped with a water supply pipe, a power cord, and a control line.

[0011] Furthermore, the progressive section is equipped with a pressurizing pump and a control valve. The output end of the pressurizing pump extends into the interior of the high-pressure rotary pipe to pressurize the water flow and spray it out from the high-pressure nozzle for unblocking. The input end of the pressurizing pump is connected to the connecting pipe.

[0012] Furthermore, the end of the advancing section is provided with a sensing component for detecting pipeline information. The sensing component includes a transparent protective shell disposed on the surface of the advancing section. Inside the transparent protective shell is a camera component. The camera component is provided with a searchlight and a distance sensor for detecting the inner diameter of the pipeline, which is disposed perpendicular to the camera component.

[0013] Furthermore, the support assembly consists of multiple independently adjustable support components, which are evenly distributed in a ring on the outside of the dredging section and the sludge removal section. Each support component includes an adjustment cavity opened on the outside of the advancing section and the power section, an adjustment rod disposed in the adjustment cavity, and an adjustment motor for driving the adjustment rod. The two ends of the adjustment rod are provided with opposite threaded grooves, and a movable slider that meshes with the threaded grooves is sleeved on its outer side. Each of the two movable sliders is provided with an adjustment bracket, and a movable contact frame is movably connected at the intersection of the two adjustment brackets. The movable contact frame is provided with a contact wheel and a power unit for driving the contact wheel to rotate. The outer surface of the contact wheel is provided with anti-slip teeth.

[0014] Furthermore, the support assembly is provided in multiple sets, respectively located on the advancing part and the power part. Two sets of support assemblies are provided on the outer side of the power part, and the support members on the adjacent sets of support assemblies are staggered.

[0015] Furthermore, the dredging assembly includes a rotating ring sleeved on the tail end of the power unit. The power unit is equipped with a dredging motor that drives the rotating ring. The rotating ring is equipped with multiple telescopic inclined scrapers. The outer surface of the tail end of the power unit is equipped with a protective ring for limiting the rotation ring. The inner wall of the rotating ring is provided with a transmission groove. The output end of the dredging motor is equipped with a power wheel that meshes with the transmission groove.

[0016] Furthermore, the dredging assembly 7 also includes a plurality of adjusting seats 72 located on the rotating ring 71. A connecting rod 73 is connected to the adjusting seat 72. An inclined scraper 74 is provided at the end of the connecting rod 73. The inclined scraper 74 is hinged to the connecting rod 73. A return torsion spring is provided at the connection end of the connecting rod 73 and the inclined scraper 74. The dredging assembly 7 also includes a driving unit for controlling the inclination between the connecting rod 73 and the horizontal plane, so that the inclined scraper 74 fits against the pipe wall of different diameters.

[0017] The beneficial effects of this invention are reflected in:

[0018] In this invention, during the unblocking process, the power unit is fixed to the pipe wall by a support assembly. Then, through the setting of the push rod assembly, the push rod assembly can push the advancing part and the unblocking component at its end to act on the blockage for unblocking, effectively increasing the advancing force during unblocking, thereby improving the unblocking effect. Compared with the prior art, it has a wide range of applications and effectively improves the working range of the equipment. Attached Figure Description

[0019] Figure 1 This is a perspective view of the present invention;

[0020] Figure 2 This is a cross-sectional view of the structure of the present invention;

[0021] Figure 3 This is a structural cross-sectional view of an embodiment of the present invention;

[0022] Figure 4 This is a partial view of the support assembly in this invention;

[0023] Figure 5 This is a partial view of the rotating ring in this invention.

[0024] In the picture:

[0025] 1. Progressive section; 2. Power unit; 3. Push rod assembly; 4. Support assembly; 41. Moving contact frame; 42. Power unit; 43. Contact wheel; 44. Adjusting rod; 45. Moving slider; 46. Adjusting motor; 47. Adjusting support; 5. Sensing assembly; 6. Unblocking assembly; 61. Unblocking drill bit; 62. High-pressure nozzle; 63. High-pressure rotating pipe; 64. Unblocking motor; 65. Pressure pump; 7. Dredging assembly; 71. Rotating ring; 72. Adjusting seat; 73. Connecting rod; 74. Inclined scraper; 75. Dredging motor; 8. Connecting pipe. Detailed Implementation

[0026] 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 a part of the embodiments of the present invention, and not all of them. Unless otherwise specified, the embodiments and features in the embodiments of this application can be combined with each other. 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.

[0027] It should be noted that if the embodiments of the present invention involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicators will also change accordingly.

[0028] Furthermore, if the embodiments of this invention involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. If the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this invention.

[0029] Additionally, "multiple" refers to two or more.

[0030] Please see Figure 1-5 This invention discloses a pipe dredging and cleaning device, comprising:

[0031] The advancing part 1 is arranged facing the inside of the pipe and is used to extend into the inside of the pipe to carry out the unblocking process. Its end is provided with an unblocking component, which is used to unclog and clean the inside of the pipe wall. The advancing part 1 is used to drive the unblocking component 6 to move.

[0032] The power unit 2 has a push rod assembly 3 inside. The push rod assembly 3 is used to connect the power unit 2 and the advancing part 1 so that the two can be extended and adjusted. The outer surface of the tail end of the power unit 2 is provided with a sludge removal component, as shown in the figure. Both the advancing part 1 and the power unit 2 are cylindrical. When the equipment is in use, the advancing part 1 and the power unit 2 are arranged along the axis of the pipe. The advancing part 1 is used to unclog the blockage inside the pipe, and the power unit 2 is used to clean the sludge and attached materials on the pipe wall.

[0033] Support assembly 4 is respectively provided on the advancing part 1 and the power part 2. It can adapt to the pipe diameter to support the advancing part 1 and the power part 2. The support assembly 4 is composed of multiple independently adjustable support components. The support components are evenly distributed in a ring on the outside of the advancing part 1 and the power part 2. Each support component can be independently contracted and adjusted to adapt to the pipe diameter.

[0034] The sensing component 5 is installed on the advancing part 1. It is used to detect the pipe diameter and acquire video inside the pipe, and then transmit the integrated video to the external receiving end so that the construction personnel on the outside can obtain the situation inside the pipe and make adjustments to the equipment.

[0035] It should be noted in this application that the unblocking component 6 includes an unblocking drill bit 61 rotatably connected to the end of the advancing part 1. The advancing part 1 is provided with an unblocking motor 64 that drives the unblocking drill bit 61 to run. The unblocking drill bit 61 is provided with evenly distributed high-pressure spray holes 62. A high-pressure rotating pipe 63 is provided on one side of the unblocking drill bit 61. The unblocking motor 64 and the high-pressure rotating pipe 63 are arranged in parallel. The output end of the unblocking motor 64 and the end of the high-pressure rotating pipe 63 are both provided with mutually meshing transmission wheels.

[0036] With the above configuration, during the process of the unblocking drill bit 61 rotating to clean the blockage, it can produce high-pressure fluid through the high-pressure nozzle 62 on its surface to flush the blockage, thereby accelerating the cleaning efficiency. At the same time, the water flow generated during the flushing process can flush the cleaned blockage out of the pipe. When there is no blockage that needs to be cleaned, the high-pressure nozzle 62 can also rotate to flush the pipe wall, thereby achieving the purpose of cleaning the pipe wall.

[0037] It should be noted that both the advancing section 1 and the power section 2 are equipped with a connecting pipe 8. A telescopic pipe is provided between the advancing section 1 and the power section 2 to connect the two ends of the connecting pipe 8. The connecting pipe 8 is equipped with a water supply pipe, a power cord, and a control line. The connecting pipe 8 is used to connect to the outside world to obtain the water required for cleaning and the power required for the equipment to run. The control line allows external personnel to operate the equipment through the control terminal and can also feed back some information inside the pipe to the external control terminal, such as the pipe diameter and the video inside the pipe obtained by the sensing component.

[0038] In this application, it should be noted that the dredging assembly 7 includes a rotating ring 71 sleeved on the tail end of the power unit 2. The power unit 2 is equipped with a dredging motor 75 that drives the rotating ring 71. The rotating ring 71 is provided with multiple telescopic inclined scrapers 74. The outer surface of the tail end of the power unit 2 is provided with a protective ring for limiting the rotation ring 71. The inner wall of the rotating ring 71 is provided with a transmission groove. The output end of the dredging motor 75 is provided with a power wheel that meshes with the transmission groove. The dredging assembly 7 also includes multiple adjusting seats 72 located on the rotating ring 71. A connecting rod 73 is connected to the adjusting seat 72. An inclined scraper 74 is provided at the end of the connecting rod 73. The inclined scraper 74 is hinged to the connecting rod 73. A return torsion spring is provided at the connection end of the connecting rod 73 and the inclined scraper 74. The dredging assembly 7 also includes a drive unit for controlling the inclination of the connecting rod 73 with the horizontal plane, so that the inclined scraper 74 fits against the pipe wall of different diameters.

[0039] With the above-described structure, the adjusting seat 72 drives the connecting rod 73 to adjust its angle through the internal drive unit. The drive unit is a suitable type of electric push rod structure, which can change the support angle of the connecting rod 73, so that the inclined scraper 74 can fit with pipes of different inner diameters. Then, driven by the sludge removal motor 75, the overall rotating ring 71 is driven to run, and the inclined scraper 74 performs the sludge removal process on the inner wall of the pipe. It should be further noted that the inclined scraper 74 has an inclined angle, which can effectively separate the sludge from the pipe wall and achieve the purpose of cleaning.

[0040] In this application, in order to achieve the purpose of feeding back the information inside the pipe to the control terminal outside, the end of the advancing part 1 is provided with a sensing component 5 for detecting pipe information. The sensing component 5 includes a transparent protective shell disposed on the surface of the advancing part 1. A camera component is disposed inside the transparent protective shell. A searchlight and a distance sensor for detecting the inner diameter of the pipe are disposed on the camera component perpendicular to the camera component.

[0041] With the above setup, the searchlight is used for illumination inside the pipe, the camera assembly is used to acquire the view inside the pipe and transmit the data to the external control terminal via the control line, and the distance sensor perpendicular to the camera assembly is used to acquire the inner diameter of the pipe wall, which can detect changes in the pipe diameter in real time. When a change in the pipe diameter is detected, the corresponding support assembly 4 can be controlled to change accordingly, so that the entire device can adjust the diameter according to the change in the pipe diameter, and the device can adapt to the pipe diameter.

[0042] To achieve the above-mentioned adjustment effect, the support assembly 4 is composed of multiple independently adjustable support components, and the support components are evenly distributed in a ring on the outside of the advancing part 1 and the power part 2.

[0043] Specifically, the support assembly 4 consists of multiple independently adjustable support components, which are evenly distributed in a ring on the outside of the dredging section 1 and the sludge removal section 2. Each support component includes an adjustment cavity opened on the outside of the advancing section 1 and the power section 2, an adjustment rod 44 disposed in the adjustment cavity, and an adjustment motor 46 driving the adjustment rod 44. The two ends of the adjustment rod 44 are provided with opposite threaded grooves, and a movable slider 45 that meshes with the threaded groove is sleeved on its outer side. Each of the two movable sliders 45 is provided with an adjustment bracket 47. A movable contact frame 41 is movably connected at the intersection of the two adjustment brackets 47. A contact wheel 43 and a power unit 42 for driving the contact wheel 43 to rotate are provided on the movable contact frame 41. The outer surface of the contact wheel 43 is provided with anti-slip teeth, which can effectively improve the contact friction of the contact wheel 43 and prevent slippage.

[0044] It should be further noted that two sets of support assemblies 4 are provided on the outer side of the power unit 2, and the two sets of support assemblies 4 are arranged alternately.

[0045] When the above structure is set up, each support assembly 4 located on the outer surface of the advancing part 1 and the power part 2 is in the maximum storage state. Then the equipment is sent into the pipe. The distance sensor set on the advancing part 1 can obtain the pipe diameter and adjust each support assembly 4 to match the pipe diameter. At the same time, the power unit 42 set on the support assembly 4 drives the contact wheel 43 to move the whole equipment along the pipeline.

[0046] During the movement, the camera component is used to acquire the scene inside the pipe and transmit the data to the external control terminal through the control line for real-time observation. When encountering a blockage, the unblocking drill bit 61 runs and inserts into the blockage. During the process of rotating and cleaning the blockage, the unblocking drill bit 61 can produce high-pressure fluid through the high-pressure nozzles 62 set on its surface to flush the blockage and speed up the cleaning efficiency.

[0047] To enhance the cleaning power of the unblocking drill bit 61, the support assembly 4 located outside the power unit 2 can be fixed to the pipe wall, providing a support point for subsequent unblocking. Then, the push rod assembly 3 on the power unit 2 can push the advancing part 1 into the blockage to perform the unblocking operation. Furthermore, during this process, the power unit 2 can fit tightly against the pipe wall. To prevent the contact wheel 43 from sliding during the above process, a locking mechanism is provided on the contact wheel 43 for fixation. The locking mechanism is a locking pin located inside the support assembly 4. The locking pin can act on the contact wheel 43 to lock it in place. The locking mechanism can be replaced by other structures with the same function that are easily conceived by those skilled in the art.

[0048] When encountering changes in pipe diameter or obstacles, the distance sensor can detect changes in pipe diameter in real time. When a change in pipe diameter is detected, it can control the corresponding support assembly 4 to change accordingly, so that the whole equipment can adjust the diameter according to the change in pipe diameter, so that the equipment can adapt to the pipe diameter. Specifically: 1. First change the diameter of the support assembly 4 on the outside of the advancing part 1, extend the advancing part 1 into the pipe through the push rod assembly 3, and then lock the support assembly 4 in this part.

[0049] 2. The push rod assembly 3 retracts, driving the power unit 2 to move forward. The power unit 2 moves to the small diameter pipe opening, and the bracket assembly 4 on the side of the power unit 2 near the pipe opening shrinks to fit the pipe opening. The push rod assembly 3 retracts completely, driving the bracket assembly 4 on the front part of the power unit 2 into the small diameter pipe opening.

[0050] 3. Finally, all the support components 4 on the power unit 2 are adjusted to fit the small diameter pipe opening, and all the support components 4 are running, driving the equipment forward along the pipeline.

[0051] Through the above steps, the equipment can flexibly adapt to changes in pipe diameter and make adjustments to move normally. In order to achieve the obstacle avoidance function, if some distance sensors detect changes in pipe diameter but other sensors do not provide feedback, it is determined that there is an obstacle. The equipment will retract the support component in the corresponding direction, while the other support components will drive the equipment to move normally, thus completing the obstacle avoidance.

[0052] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A pipe dredging and desilting device, characterized in that, include: The advancing part (1) has a dredging component (6) at its end, which is used to drive the dredging component (6) to move; The power unit (2) is provided with a push rod assembly (3), which is used to connect the power unit (2) and the advancing part (1) so that the two can be extended and adjusted. A dredging assembly (7) is provided on the side of the power unit (2) away from the advancing part (1). The support assembly (4) is adaptable to the pipe diameter to support the advancement section (1) and the power section (2); The support assembly (4) is composed of multiple independently adjustable support components. The support components are evenly distributed in a ring on the outside of the dredging section (1) and the sludge removal section (2). The support components include an adjustment cavity opened on the outside of the advancing section (1) and the power section (2), an adjustment rod (44) set in the adjustment cavity, and an adjustment motor (46) for driving the adjustment rod (44) to run. The two ends of the adjustment rod (44) are provided with opposite threaded grooves, and the outer side of the rod is fitted with a movable slider (45) that meshes with the threaded groove. Each of the two movable sliders (45) is provided with an adjustment bracket (47). The two adjustment brackets (47) are movably connected to a movable contact frame (41) at the intersection of the two adjustment brackets (47). The movable contact frame (41) is provided with a contact wheel (43) and a power unit (42) for driving the contact wheel (43) to rotate. The outer surface of the contact wheel (43) is provided with anti-slip teeth, and the contact wheel (43) is provided with a locking mechanism for fixing. The bracket assembly (4) is provided in multiple sets, respectively located on the advancing part (1) and the power part (2). Two sets of bracket assemblies (4) are provided on the outside of the power part (2), and the bracket members on the adjacent two sets of bracket assemblies (4) are staggered. The unblocking assembly (6) includes an unblocking drill bit (61) rotatably connected to the end of the advancing part (1). The advancing part (1) is equipped with an unblocking motor (64) that drives the unblocking drill bit (61) to run. The unblocking drill bit (61) is provided with evenly distributed high-pressure spray holes (62). A high-pressure rotating pipe (63) is provided on one side of the unblocking drill bit (61). The unblocking motor (64) and the high-pressure rotating pipe (63) are arranged in parallel. The output end of the unblocking motor (64) and the end of the high-pressure rotating pipe (63) are both provided with mutually meshing transmission wheels. Both the advancing part (1) and the power part (2) are provided with connecting pipes (8), and a telescopic pipe connecting the two connecting pipes (8) is provided between the advancing part (1) and the power part (2). The connecting pipe (8) is provided with a water supply pipe, a power line and a control line. The progressive section (1) is equipped with a pressurizing pump (65) and a control valve. The output end of the pressurizing pump (65) extends into the interior of the high-pressure rotary pipe (63) to pressurize the water flow and spray it out from the high-pressure nozzle (62) for unblocking. The input end of the pressurizing pump (65) is connected to the connecting pipe (8).

2. The pipe dredging and desilting device according to claim 1, characterized in that: The end of the advancing section (1) is provided with a sensing component (5) for detecting pipeline information. The sensing component (5) includes a transparent protective shell disposed on the surface of the advancing section (1). A camera component is disposed inside the transparent protective shell. A searchlight and a distance sensor for detecting the inner diameter of the pipeline are disposed on the camera component perpendicular to the camera component.

3. The pipe dredging and desilting device according to claim 1, characterized in that: The dredging assembly (7) includes a rotating ring (71) sleeved on the tail end of the power unit (2). The power unit (2) is provided with a dredging motor (75) that drives the rotating ring (71) to rotate. The rotating ring (71) is provided with a plurality of inclined scrapers (74). The power unit (2) is provided with a protective ring for limiting the rotation ring (71). The inner wall of the rotating ring (71) is provided with a transmission groove. The output end of the dredging motor (75) is provided with a power wheel that meshes with the transmission groove.

4. The pipe dredging and desilting device according to claim 3, characterized in that: The dredging assembly (7) also includes a plurality of adjusting seats (72) located on a rotating ring (71). A connecting rod (73) is connected to the adjusting seat (72). An inclined scraper (74) is provided at the end of the connecting rod (73). The inclined scraper (74) is hinged to the connecting rod (73). A return torsion spring is provided at the connection end of the connecting rod (73) and the inclined scraper (74). The dredging assembly (7) also includes a driving unit for controlling the inclination between the connecting rod (73) and the horizontal plane, so that the inclined scraper (74) fits against the pipe wall of different diameters.