A pipeline dredging apparatus and method

Abstract

The application provides a pipeline dredging device and a dredging method, the pipeline dredging device comprising an assembly column, a gear column, a turbulence fan assembly, a high-pressure water disc; the gear column is provided with two layers of rack assemblies, the two layers of rack assemblies are cross-shaped, the end of each rack is provided with an arc-shaped supporting block, the arc-shaped supporting block is connected with an extension plate, and the extension plate is provided with an elastic scraping strip; the extension plate is connected with a waterproof motor, the waterproof motor is connected with the turbulence fan and the high-pressure water disc through a power shaft. In the application, a simple supporting mode is adopted, the silt is pre-impacted and dispersed by water medium, the dredging work is quickly and conveniently completed under the scraping and water flow impact, the overall operation cost is low, a single person can complete the operation, human intervention is reduced, and the construction process is accelerated. In addition, the application also provides a dredging method of the pipeline dredging device, which reduces the pipeline dredging cost, accelerates the dredging process, reduces the human intervention operation, and has a high standard pipeline dredging effect.

Description

Technical Field

[0001] This application relates to the field of water conservancy engineering technology, and in particular to a pipeline dredging device and dredging method. Background Technology

[0002] Hydraulic engineering projects are engineering works constructed to control and regulate surface water and groundwater in nature to achieve the goals of mitigating harm and promoting benefits. They are also called water engineering projects. Water is a precious resource essential for human production and life, but its natural state does not fully meet human needs. Only by constructing hydraulic engineering projects can water flow be controlled, floods prevented, and water volume regulated and distributed to meet the water needs of people's lives and production. Hydraulic engineering projects require the construction of various types of hydraulic structures, such as dams, dikes, spillways, sluice gates, intakes, canals, ferries, raft channels, and fishways, to achieve their objectives.

[0003] During the construction of water conservancy projects, in order to ensure the normal water flow, it is necessary to dredge and protect the pipelines used in the projects. Furthermore, in areas with high water quality requirements, it is essential to minimize the amount of deposits within the pipelines. Current technologies for pipeline dredging primarily rely on manual labor or expensive dredging robots. Manual dredging significantly increases labor costs, while the use of dredging robots inevitably raises construction costs. Moreover, there is a lack of simple and convenient dredging equipment for dredging pipelines of different diameters and for removing high-standard deposits from the inner walls of pipelines, resulting in high costs and slow construction progress during the dredging process. Summary of the Invention

[0004] This application provides a pipeline dredging equipment and method, which adopts a simple support method, is adaptable to pipelines of different diameters, and uses water medium to pre-impact and disperse silt. Under the action of scraping and water flow impact, the dredging work is completed quickly and conveniently. The overall operating cost is low, and the operation can be completed by a single person, reducing human intervention and speeding up the construction process.

[0005] In a first aspect, this application provides a pipeline dredging device, comprising: an assembly column, a gear column connected to the assembly column, a telescopic assembly connected to the gear column, a baffle fan assembly disposed on the telescopic assembly, and a high-pressure water tray disposed at the front end of the baffle fan assembly; wherein,

[0006] The end of the assembly column away from the gear column is connected to a drive tube for driving the assembly column to rotate circumferentially.

[0007] Two rack assemblies are slidably arranged on the gear column. The two rack assemblies are cross-shaped, and each rack assembly includes two oppositely arranged racks. The gear column is internally connected to a double layer of drive teeth. Each drive tooth meshes with the two racks of the corresponding layer and synchronously drives the two racks to extend and retract.

[0008] Each rack is fitted with an arc-shaped support block at its end. Multiple universal ball bearings are rotatably connected to the outer arc wall of the arc-shaped support block. The arc-shaped support block is connected to an extension plate with the same curvature. An elastic scraper is provided on the extension plate.

[0009] The spoiler assembly includes: a circular cover and a spoiler rotatably connected inside the circular cover; the end of the telescopic assembly is equipped with a waterproof motor, and the waterproof motor is connected to the spoiler and the high-pressure water pan via a power shaft;

[0010] The spoiler fan has multiple blades, each blade has a bent spoiler plate, and the circumferential wall of the circular cover is provided with multiple water passage holes spaced apart.

[0011] The high-pressure water pan is equipped with multiple water pumps, and high-pressure nozzles that communicate with the multiple water pumps are spaced apart on the circumferential wall of the high-pressure water pan.

[0012] In this application, a simple support method is adopted, and the silt is broken up by the pre-impact of water medium. The dredging work is completed quickly and conveniently under the action of scraping and water flow impact. The overall operating cost is low, and the operation can be completed by a single person, reducing human intervention and speeding up the construction process.

[0013] In one specific implementation, the drive pipe is composed of multiple sections of serpentine pipe joined together sequentially.

[0014] Each section of the serpentine pipe is made up of multiple pipe fittings that are hinged together in sequence, and each section of the serpentine pipe has connecting pipe ends at both ends;

[0015] The drive pipe is connected to an auxiliary power assembly for driving its circumferential rotation. Dredging operations can be performed on pipes of varying lengths and with bends.

[0016] In one specific implementation, the internal sealing assembly of the assembly column houses a drive motor;

[0017] The output shaft of the drive motor is connected to the drive gear via a worm gear transmission assembly. This provides a backflow prevention function, ensuring stability during helical movement.

[0018] In one specific implementation, the gear column has corresponding clearance holes for the four racks to pass through one-to-one. By extending and retracting within the clearance holes, it can be adjusted to accommodate pipes of different diameters for dredging operations.

[0019] In one specific implementation, all four racks are connected to the gear column via a slide rail assembly. The sliding performance is stable and reliable.

[0020] In one specific possible implementation, the extension plate extends toward the circular cover;

[0021] The elastic scraper is a triangular elastic strip, and it is arranged along the length of the extension plate. This ensures a large area of ​​sludge removal operation on the inner wall of the pipe.

[0022] In one specific implementation, the outward protrusion height of the elastic scraper is greater than the outward protrusion height of the plurality of omnidirectional ball bearings. The close contact of the elastic scraper ensures high-quality completion of the dredging operation.

[0023] In one specific implementation scheme, a water filter screen is provided on the side of the circular cover facing away from the high-pressure water pan. The circular cover is fixedly connected to the waterproof motor, and the water filter screen ensures a sufficient amount of turbulent water medium.

[0024] In one specific implementation, the angle between the spoiler and the corresponding fan blade is less than 90°. This provides a high level of turbulence, creating a rotating jet of water through multiple water passages.

[0025] Secondly, a dredging method for a pipeline dredging device includes the following steps:

[0026] Step 1: Continuously inject sufficient flowing water medium into the pipeline;

[0027] Step 2: Place the pipe cleaning equipment into the pipe with the high-pressure water pan at the foremost position, following the direction of water flow.

[0028] Step 3: Start the drive motor. The worm gear transmission assembly drives the double-layer drive teeth to rotate, thereby causing the four racks to extend in four different directions until multiple universal balls press against the inner wall of the pipe.

[0029] Step 4: The elastic scraper deforms under pressure, and the deformed elastic scraper comes into contact with the inner wall of the pipe.

[0030] Step 5: Adjust the telescopic distance of the telescopic components to ensure that the front-end baffle fan assembly and high-pressure water pan initially loosen the silt inside the pipe.

[0031] Step 6: Start the water pump. The water pump draws water from inside the pipe and sprays it onto the inner wall of the pipe through a high-pressure nozzle.

[0032] Step 7: Start the waterproof motor. The high-speed rotation of the waterproof motor drives multiple high-pressure nozzles to strike and loosen the sludge on the inner wall of the pipe in a circumferential rotation. Multiple fan blades, under the action of the baffle, disturb the water medium in the pipe and impact the inner wall of the pipe in the form of water jets through multiple water passages.

[0033] Step 8: Splice the drive pipe fittings of the corresponding length. Under the action of the auxiliary power component, drive the drive pipe fittings to rotate at low speed. Under the action of water flow impact and rotation propulsion, the elastic scraper cleans the inner wall of the pipe in a spiral motion.

[0034] Step 9: The silt removed from the inner wall of the pipe is discharged to the outside of the pipe along with the flowing water medium.

[0035] This method reduces pipeline dredging costs, accelerates the dredging process, minimizes human intervention, and achieves high-standard pipeline dredging results. Attached Figure Description

[0036] Figure 1 This is a schematic diagram of the structure of the pipeline dredging equipment provided in the embodiments of this application;

[0037] Figure 2 This is a schematic diagram of the structure of the gear post provided in an embodiment of this application;

[0038] Figure 3 A cross-sectional view of the gear post provided in an embodiment of this application;

[0039] Figure 4 This is a schematic diagram of the structure of the circular cover provided in the embodiments of this application;

[0040] Figure 5 This is a schematic diagram of the structure of the spoiler fan provided in an embodiment of this application.

[0041] Figure 6 A flowchart illustrating the steps of the dredging method using the pipeline dredging equipment provided in this embodiment of the application.

[0042] Icon labels:

[0043] Drive fitting-100, connecting pipe joint-110;

[0044] Assembly column-200, drive motor-210;

[0045] Gear column-300, rack-310, arc support block-320, universal ball bearing-330, extension plate-340, elastic scraper-350, drive gear-360, worm gear transmission assembly-370, clearance hole-380;

[0046] Telescopic component-400;

[0047] Spoiler fan assembly - 500, waterproof motor - 510, water filter - 520, water passage hole - 530, fan blade - 540, spoiler plate - 550;

[0048] High-pressure water tray-600, water suction pump-610, high-pressure nozzle-620. Detailed Implementation

[0049] To make the objectives, technical solutions, and advantages of this application clearer, the application will now be described in further detail with reference to the accompanying drawings.

[0050] It should be noted that, unless otherwise defined, the technical or scientific terms used in one or more embodiments of this specification should have the ordinary meaning understood by one of ordinary skill in the art to which this disclosure pertains. The terms "first," "second," and similar words used in one or more embodiments of this specification do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0051] To facilitate understanding of the pipeline dredging equipment and method provided in this application embodiment, its application scenario is first explained. During the construction of water conservancy projects, in order to ensure the normal water flow of the water conservancy projects, it is necessary to dredge and protect the pipelines used in the water conservancy projects, and for areas with high water quality requirements, it is necessary to ensure that the pipelines contain as few deposits as possible. In the pipeline dredging process, the prior art mostly uses manual operation or expensive dredging robots to walk and dredge in the pipeline. The use of manual dredging greatly increases the use of labor, and the use of dredging robots will inevitably increase the construction cost in water conservancy projects. Furthermore, when dredging pipelines of different diameters and removing deposits from the inner wall of pipelines to a high standard, there is no simple and convenient good dredging equipment to be used, thus resulting in high costs and slow construction progress in the dredging process of water conservancy projects. In view of this, the pipeline dredging equipment and dredging method in this application adopt a simple support method, are adaptable to pipelines of different diameters, and utilize water medium to pre-impact and disperse silt. Under the action of scraping and water flow impact, the dredging work is completed quickly and conveniently. The overall operating cost is low, and the operation can be completed by a single person, reducing human intervention and speeding up the construction process.

[0052] refer to Figure 1 , Figure 1 This is a structural schematic diagram of a pipeline dredging equipment. The pipeline dredging equipment provided in this embodiment includes: an assembly column 200; the assembly column 200 serves as the rotating main mechanism in this embodiment, and is connected to a drive pipe component 100 for driving rotation. The power transmission end of the drive pipe component 100 is a manually controlled auxiliary power assembly. This auxiliary power assembly can be a rotary motor, rotary drill, etc., which propels the equipment synchronously during rotation. It can be selected according to the diameter of the dredging pipeline, and the operator controls the rotation externally. The rotation speed of the auxiliary power assembly is less than 800 rpm, ensuring that the dredging equipment is driven to spiral forward for dredging operations at low speed. The drive pipe component 100 is composed of multiple sections of serpentine pipe body sequentially spliced ​​together. Each section of serpentine pipe body is connected by multiple pipe components sequentially hinged together, and each end of each serpentine pipe body is provided with a connecting pipe head 110. The drive pipe component 100 is connected to an auxiliary power assembly for driving its circumferential rotation. Dredging operations can be performed on pipelines of different lengths and with bends. This allows the drive pipe 100 to be spliced ​​according to the length of the pipe, and to bend accordingly in pipes with bends. The auxiliary power component drives the entire dredging equipment to spiral forward during rotation to perform circumferential dredging of the inside of the pipe, ensuring a high-quality dredging effect.

[0053] Meanwhile, the pipeline dredging equipment in this application requires a continuous injection of flowing water into the pipeline. Through auxiliary hydrodynamic impact, a sufficient water supply is ensured for the high-pressure impact during the dredging process, and the removed silt flows out of the pipeline with the water flow. Specifically, to ensure a continuous injection of flowing water, the dredging operation is carried out gradually from upstream to downstream of the pipeline.

[0054] Combination Figure 2 and Figure 3 As shown, for dredging operations on pipes of different diameters, the assembly column 200 is connected to a gear column 300, which is located at the front end of the assembly column 200. Two rack assemblies are slidably mounted on the gear column 300, intersecting at an angle, with each rack assembly including two opposing racks 310. A double layer of drive teeth 360 is rotatably connected inside the gear column 300, with each drive tooth 360 meshing with the corresponding two racks 310 and synchronously driving the two racks 310 to extend and retract.

[0055] The assembly column 200 has a sealed drive motor 210 inside. Because the drive motor 210 operates for a short time, there is no issue of heat dissipation in the sealed state. Furthermore, the sealed assembly ensures the drive motor 210 is waterproof, allowing the use of a standard motor for the drive function, significantly reducing manufacturing costs. Additionally, it should be noted that during the dredging process, multiple camera components can be mounted at the front end of the gear column 300 to capture graphic information of the inside of the pipe, enabling timely adjustments.

[0056] The output shaft of the drive motor 210 is connected to the drive gear 360 via a worm gear transmission assembly 370. This assembly provides a check valve, ensuring that the racks 310 do not retract under force during the spiral movement of the dredging equipment, thus enhancing stability. The gear post 300 has corresponding clearance holes 380 for the four racks 310 to pass through. By extending and retracting within these clearance holes 380, the gears can be adjusted to accommodate pipes of different diameters for dredging operations. All four racks 310 are connected to the gear post 300 via a slide rail assembly, ensuring stable and reliable sliding performance.

[0057] Combination Figure 1 As shown, each rack 310 is equipped with an arc-shaped support block 320 at its end. Multiple universal ball bearings 330 are rotatably connected to the outer arc wall of the arc-shaped support block 320. The arc-shaped support block 320 is connected to an extension plate 340 with the same curvature. An elastic scraper 350 is provided on the extension plate 340. The extension plate 340 extends towards the circular cover. The elastic scraper 350 is a triangular elastic strip and is positioned along the length of the extension plate 340. This ensures a large area of ​​sludge removal from the inner wall of the pipe. The outward protrusion height of the elastic scraper 350 is greater than the outward protrusion height of the multiple universal ball bearings 330. The close contact of the elastic scraper 350 ensures high-quality sludge removal.

[0058] As can be seen from the above structure, when performing dredging operations on pipes of different diameters, the assembly column 200 and gear column 300 are inserted into the pipe through the upstream inlet, and the drive motor 210 is started. Driven by the drive motor 210, the four racks 310 gradually extend in four directions. During the extension process, the arc-shaped support blocks 320 on the four racks 310 are distributed at equal intervals towards the inner wall of the pipe until multiple universal balls 330 make pressure contact with the inner wall of the pipe, ensuring the rotational stability of the universal balls 330. At this time, the elastic scraper 350 is in close contact with the inner wall of the pipe. Thus, under the propulsion of water flow, the rotational driving force of the auxiliary power component, and the manual propulsion, the multiple universal balls 330 are ensured to scrape away the silt from the inner wall of the pipe in a spiral motion.

[0059] Please refer to the above. Figure 1 and Figure 4Meanwhile, in order to pre-impact and loosen the silt at the front end of the elastic scraper, a telescopic component 400 is connected to the front end of the gear column 300; the telescopic component 400 is an electric telescopic rod. A baffle fan assembly 500 is assembled at the front end of the telescopic component 400; a high-pressure water pan 600 is provided at the front end of the baffle fan assembly 500.

[0060] It should be understood that the high-pressure water pan 600 is the first operating end in the dredging process. Under the action of the high-pressure water pan 600, the silt on the inner wall of the pipe is impacted and broken up. Then, the baffle fan assembly 500 impacts the broken silt with water flow again. Along with the water medium flowing in the pipe, most of the silt in the pipe is carried out and discharged until multiple elastic scrapers 350 completely scrape off the silt on the inner wall of the pipe during the spiral movement, which greatly increases the dredging effect.

[0061] In this embodiment, to enhance the water pressure impact effect of the high-pressure water pan 600 and the baffle fan assembly 500, a high-speed rotation method is used to clean the inner wall of the pipe. Specifically, the baffle fan assembly 500 includes: a circular cover and a baffle fan rotatably connected inside the circular cover; a water filter 520 is provided on the side of the circular cover facing away from the high-pressure water pan 600. The circular cover is fixedly connected to the waterproof motor 510, and the water filter 520 ensures a sufficient amount of baffled water medium. Combined with... Figure 5 As shown, the spoiler fan has multiple blades 540, each blade 540 having a bent spoiler plate 550, and multiple water passage holes 530 spaced apart on the circumferential wall of the circular cover; the angle between the spoiler plate 550 and the corresponding blade 540 is less than 90°. It has a high turbulence effect, forming a rotating impact water column through the multiple water passage holes 530.

[0062] The end of the telescopic component 400 is equipped with a waterproof motor 510, which is connected to the spoiler and the high-pressure water pan 600 via a power shaft. The high-pressure water pan 600 is equipped with multiple water pumps 610, and high-pressure nozzles 620 that communicate with the multiple water pumps 610 are spaced apart on the circumferential wall of the high-pressure water pan 600.

[0063] The waterproof motor 510 is fixedly connected to the central cover. The waterproof motor 510 drives multiple fan blades 540 and high-pressure water plate 600 to rotate synchronously through the power shaft. Under the action of the water pump 610, high-pressure water is sprayed out through the high-pressure nozzle 620 in a high-pressure and high-speed rotating manner to impact and disperse the silt inside the pipe.

[0064] Multiple fan blades 540, rotating at high speed, provide auxiliary power for the pipeline dredging equipment to move through the pipeline, allowing the operator to achieve spiral movement without having to push the auxiliary power component. Under the action of the baffle 550, the multiple fan blades 540 turbulent the water medium inside the pipeline, and the turbulent water medium impacts the silt through multiple water passages 530, ensuring a good dredging effect.

[0065] In this application, a simple support method is adopted, and the silt is broken up by the pre-impact of water medium. The dredging work is completed quickly and conveniently under the action of scraping and water flow impact. The overall operating cost is low, and the operation can be completed by a single person, reducing human intervention and speeding up the construction process.

[0066] refer to Figure 6 This provides a dredging method using pipeline dredging equipment, comprising the following steps:

[0067] S1. Continuously inject sufficient flowing water medium into the pipeline.

[0068] S2. Place the pipe cleaning equipment into the pipe with the high-pressure water pan at the front end, along the direction of water flow.

[0069] S3. Start the drive motor. The worm gear transmission assembly drives the double-layer drive teeth to rotate, so that the four racks extend in four different directions until multiple universal balls press against the inner wall of the pipe.

[0070] S4. The elastic scraper deforms under pressure, and the deformed elastic scraper comes into contact with the inner wall of the pipe.

[0071] S5. Adjust the telescopic distance of the expansion joint to ensure that the front-end baffle fan assembly and high-pressure water pan initially loosen the silt inside the pipe.

[0072] S6. Start the water pump. The water pump draws water from inside the pipe and sprays it onto the inner wall of the pipe through a high-pressure nozzle.

[0073] S7. Start the waterproof motor. The high-speed rotation of the waterproof motor drives multiple high-pressure nozzles to strike and loosen the sludge on the inner wall of the pipe in a circumferential rotation. Multiple fan blades disturb the water medium in the pipe under the action of the baffle plate and impact the inner wall of the pipe in the form of water jets through multiple water passages.

[0074] S8. Connect the drive pipe fittings of the corresponding length. Under the action of the auxiliary power component, drive the drive pipe fittings to rotate at low speed. Under the action of water flow impact and rotation propulsion, the elastic scraper cleans the inner wall of the pipe in a spiral motion.

[0075] S9. The silt removed from the inner wall of the pipe is discharged to the outside of the pipe along with the flowing water medium.

[0076] This method reduces pipeline dredging costs, accelerates the dredging process, minimizes human intervention, and achieves high-standard pipeline dredging results.

[0077] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of this disclosure (including the claims) is limited to these examples; within the framework of this disclosure, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of one or more embodiments of this specification, which are not provided in detail for the sake of brevity.

[0078] Additionally, to simplify the description and discussion, and to avoid obscuring one or more embodiments of this specification, well-known power / ground connections to integrated circuits and other components may or may not be shown in the provided drawings. Furthermore, the apparatus may be illustrated in block diagram form to avoid obscuring one or more embodiments of this specification, and this also takes into account the fact that the details of implementation of these block diagram apparatuses are highly dependent on the platform on which one or more embodiments of this specification will be implemented (i.e., these details should be fully understood by those skilled in the art). While specific details have been set forth to describe exemplary embodiments of this disclosure, it will be apparent to those skilled in the art that one or more embodiments of this specification may be implemented without these specific details or with variations thereof. Therefore, these descriptions should be considered illustrative rather than restrictive.

[0079] One or more embodiments of this specification are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of one or more embodiments of this specification should be included within the scope of protection of this disclosure.

[0080] The above are merely specific embodiments of this application, but the scope of protection of this application is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the scope of the technology disclosed in this application should be included within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A pipeline dredging device, characterized in that, include: The assembly column, the gear column connecting the assembly column, the telescopic assembly connecting the gear column, the baffle fan assembly disposed on the telescopic assembly, and the high-pressure water pan disposed at the front end of the baffle fan assembly; wherein, The end of the assembly column away from the gear column is connected to a drive tube for driving the assembly column to rotate circumferentially. Two rack assemblies are slidably arranged on the gear column. The two rack assemblies are cross-shaped, and each rack assembly includes two oppositely arranged racks. The gear column is internally connected to a double layer of drive teeth. Each drive tooth meshes with the two racks of the corresponding layer and synchronously drives the two racks to extend and retract. Each rack is fitted with an arc-shaped support block at its end. Multiple universal ball bearings are rotatably connected to the outer arc wall of the arc-shaped support block. The arc-shaped support block is connected to an extension plate with the same curvature. An elastic scraper is provided on the extension plate. The spoiler assembly includes: a circular cover and a spoiler rotatably connected inside the circular cover; the end of the telescopic assembly is equipped with a waterproof motor, and the waterproof motor is connected to the spoiler and the high-pressure water pan via a power shaft; The spoiler fan has multiple blades, each blade has a bent spoiler plate, and the circumferential wall of the circular cover is provided with multiple water passage holes spaced apart. The high-pressure water pan is equipped with multiple water pumps, and high-pressure nozzles that communicate with the multiple water pumps are spaced apart on the circumferential wall of the high-pressure water pan.

2. The pipeline dredging equipment according to claim 1, characterized in that, The drive pipe is composed of multiple sections of serpentine pipe joined together sequentially. Each section of the serpentine pipe is made up of multiple pipe fittings that are hinged together in sequence, and each section of the serpentine pipe has connecting pipe ends at both ends; The drive tube is connected to an auxiliary power component for driving the drive tube to rotate circumferentially.

3. The pipeline dredging equipment according to claim 1, characterized in that, The assembly column is internally sealed with a drive motor. The output shaft of the drive motor is connected to the drive gear via a worm gear transmission assembly.

4. The pipeline dredging equipment according to claim 3, characterized in that, The gear column has corresponding clearance holes for the four racks to pass through one by one.

5. The pipeline dredging equipment according to claim 4, characterized in that, All four racks are connected to the gear column via slide rail assemblies.

6. The pipeline dredging equipment according to claim 1, characterized in that, The extension plate extends toward the circular cover; The elastic scraper is a triangular elastic strip, and the elastic scraper is arranged along the length direction of the extension plate.

7. The pipeline dredging equipment according to claim 6, characterized in that, The outward protrusion height of the elastic scraper is greater than the outward protrusion height of the plurality of omnidirectional balls.

8. The pipeline dredging equipment according to claim 1, characterized in that, A water filter screen is provided on the side of the circular cover facing away from the high-pressure water pan.

9. The pipeline dredging equipment according to claim 8, characterized in that, The angle between the spoiler and the corresponding fan blade is less than 90°.

10. A dredging method for a pipeline dredging device, characterized in that, Using the pipeline dredging equipment as described in any one of claims 1-9, dredging is performed through the following steps: Step 1: Continuously inject sufficient flowing water medium into the pipeline; Step 2: Place the pipe cleaning equipment into the pipe with the high-pressure water pan at the foremost position, following the direction of water flow. Step 3: Start the drive motor. The worm gear transmission assembly drives the double-layer drive teeth to rotate, thereby causing the four racks to extend in four different directions until multiple universal balls press against the inner wall of the pipe. Step 4: The elastic scraper deforms under pressure, and the deformed elastic scraper comes into contact with the inner wall of the pipe. Step 5: Adjust the telescopic distance of the telescopic components to ensure that the front-end baffle fan assembly and high-pressure water pan initially loosen the silt inside the pipe. Step 6: Start the water pump. The water pump draws water from inside the pipe and sprays it onto the inner wall of the pipe through a high-pressure nozzle. Step 7: Start the waterproof motor. The high-speed rotation of the waterproof motor drives multiple high-pressure nozzles to strike and loosen the sludge on the inner wall of the pipe in a circumferential rotation. Multiple fan blades, under the action of the baffle, disturb the water medium in the pipe and impact the inner wall of the pipe in the form of water jets through multiple water passages. Step 8: Splice the drive pipe fittings of the corresponding length. Under the action of the auxiliary power component, drive the drive pipe fittings to rotate at low speed. Under the action of water flow impact and rotation propulsion, the elastic scraper cleans the inner wall of the pipe in a spiral motion. Step 9: The silt removed from the inner wall of the pipe is discharged to the outside of the pipe along with the flowing water medium.

Images