A trenchless repair process for underground pipe network

Abstract

The present invention discloses a trenchless repair process for an underground pipeline network, comprising the following steps: 1) detecting and evaluating pipeline conditions: utilizing high-definition camera technology to detect pipelines, and evaluating pipeline conditions and locations requiring repair; 2) cleaning and unblocking pipelines: cleaning the interior of the pipelines, removing dirt and debris, and ensuring smooth repair work; 3) making light-curing bushings: making corresponding light-curing bushings according to the size and shape of the pipelines; the bushings are composed of epoxy resin, filler, and photosensitizer; 4) inserting the bushings into the pipelines: inserting the prepared light-curing bushings into the interior of the pipelines, and inflating the bushings with air using an inflation tube to keep them in contact with the pipeline wall; the process utilizes light-curing bushings for trenchless repair of underground pipeline networks, which can bring about a fast, efficient, safe, environmentally friendly, and reliable repair effect, thereby reducing the impact of pipeline maintenance on cities and residents' lives, and improving the reliability and service life of the pipelines.

Description

Technical Field

[0001] The present invention relates to the technical field of underground pipelines, and in particular to a trenchless repair process for underground pipeline networks. Background Art

[0002] The urban drainage network is the "blood vessels" of the city, shouldering the important task of collecting and transporting urban sewage and rainwater. It is an important part of the urban water environment. With the rapid development of cities, underground drainage pipes in cities are shouldering an increasingly important sewage discharge responsibility, becoming a vital system for drainage and preventing urban waterlogging.

[0003] When problems arise in existing underground pipeline networks, deeper tunnels need to be excavated to reach the pipelines for repair, as the underground pipelines are often buried deep. Moreover, underground pipelines are often located underground, and repairs need to be carried out in a small space, which increases the difficulty and risk of construction. At the same time, underground construction may also have an adverse impact on the surrounding environment. In addition, using traditional excavation methods to repair pipelines may require large-scale excavation and digging of the surrounding areas, affecting existing roads and underground pipelines, causing inconvenience to traffic and environmental management at the construction site, and increasing traffic accidents and safety risks. Moreover, excavating and repairing underground pipelines requires a large amount of labor and materials, resulting in high costs in manpower, materials and equipment. In addition, the surrounding environment needs to be protected during construction, which increases management and monitoring costs.

[0004] These problems will make underground pipeline repair work more difficult, increase costs, and extend the construction period. Therefore, trenchless repair methods have become a solution with the advantages of being faster, more efficient, safer, and more economical. Summary of the Invention

[0005] In order to solve the above technical problems, the present invention provides a trenchless repair process for underground pipelines. The process uses light-curing sleeves to perform trenchless repair of underground pipelines, which can bring about fast, efficient, safe, environmentally friendly and reliable repair effects, reduce the impact of pipeline maintenance on cities and residents' lives, and improve the reliability and service life of pipelines.

[0006] A trenchless repair process for an underground pipe network comprises the following steps:

[0007] ①Inspect and evaluate pipeline conditions: Use high-definition camera technology to inspect pipelines, evaluate pipeline conditions and areas that need repair;

[0008] ② Cleaning and unblocking the pipeline: Clean the inside of the pipeline to remove dirt and debris to ensure the smooth progress of the repair work;

[0009] ③ Make a light-curing bushing: Make a corresponding light-curing bushing according to the size and shape of the pipeline; the bushing is composed of epoxy resin, filler and photosensitizer;

[0010] ④ Insert the bushing into the pipe: Insert the prepared light-cured bushing into the pipe and inflate the bushing with an air tube to keep it in contact with the pipe wall;

[0011] ⑤ Perform light curing: Use ultraviolet light to cure the bushing to form a new layer of corrosion resistance and high strength. Usually multiple light curing cycles are required until the required thickness and hardness are achieved.

[0012] ⑥Remove the inflation tube and trim the bushing: After the light curing is completed, remove the inflation tube, and then trim and polish the bushing to make its surface smooth and flat;

[0013] ⑦ Re-inspection and acceptance: After the repair is completed, the pipeline will be inspected again to ensure that the repair quality meets the requirements.

[0014] The detection and assessment of pipeline conditions in step ① include:

[0015] Preparation: Determine the type, material and specifications of the pipes to be inspected, and prepare the necessary inspection equipment and tools;

[0016] Cleaning the pipeline: Clean the pipeline before testing to better observe the internal conditions of the pipeline; cleaning methods include high-pressure water flushing and / or vacuuming;

[0017] Conduct internal inspection of pipelines: Use high-definition camera technology to inspect the inside of pipelines and observe the internal conditions of pipelines, including the degree of damage, cracks, corrosion, blockage and deformation of pipelines;

[0018] Record pipeline conditions: Record and evaluate pipeline conditions in detail, including pipeline type, material, specifications, damage level, location, and size, and develop appropriate repair plans;

[0019] Prepare pipeline repair plan: Prepare corresponding repair plan based on the specific condition of the pipeline and repair requirements, including selecting appropriate repair materials, tools and methods.

[0020] The method for making the light-cured bushing in step ③ includes:

[0021] Measuring pipe size and shape: Determine the size and shape of the pipe by measuring it so as to produce the corresponding light-cured bushing;

[0022] Select appropriate materials: Based on the pipe material, environmental conditions and repair requirements, select appropriate materials, usually including epoxy resin, filler and photosensitizer;

[0023] Prepare bushing mold: Prepare the corresponding bushing mold according to the measured pipe size and shape;

[0024] Making bushings: After mixing the selected materials evenly, pour them into the mold, wait for them to solidify, take out the bushings and carry out subsequent processing;

[0025] Perform light curing: Insert the prepared light-curing sleeve into the pipe and use ultraviolet light to cure it to form a new layer of corrosion-resistant and high-strength. Multiple light curing cycles are required until the required thickness and hardness are reached.

[0026] Wherein, the cleaning and unblocking of the pipeline in step ② is performed by an automatic unblocking and cleaning robot for underground pipelines; the automatic unblocking and cleaning robot for underground pipelines includes a storage rack, a sealing door is hinged on the surface of the storage rack, a circular plate is threadedly connected to the inner wall of the storage rack, a drainage hole is opened on the surface of the circular plate, an electric wire is provided on the surface of the circular plate, an electric push rod is provided at one end of the storage rack away from the circular plate, a push plate is fixedly connected to the end of the electric push rod away from the storage rack, a fixed plate is fixedly connected to the inner wall of the storage rack, and a positioning rod is fixedly connected to the end of the fixed plate away from the storage rack, the storage rack stores and collects impurities inside the underground pipeline, a sealing door is provided on the surface of the storage rack, and after the sealing door is opened, the impurities inside the storage rack can be cleaned, an electric wire is provided at the back end of the circular plate, the electric wire is electrically connected to the motor, and it is also convenient to use the electric wire to pull the storage rack out from the inside of the underground pipeline, the circular plate is threadedly connected to the inner wall of the storage rack, so as to disassemble the circular plate and facilitate cleaning the filter, and the surface of the fixed plate is provided with a filter, and also includes:

[0027] The scraping component includes a motor, the motor is fixedly connected to the positioning rod, a protective frame is fixedly connected to the surface of the motor, an output end of the motor is fixedly connected to a rotating rod, an end of the rotating rod away from the motor is fixedly connected to a driving gear, and an end of the storage rack away from the circular plate is provided with a bevel ring, and a scraper is fixedly connected to the surface of the bevel ring;

[0028] A softening component, comprising a fixed cylinder, a rotating rod fixedly connected to an inner wall of the fixed cylinder, a positioning post fixedly connected to an end of the fixed cylinder away from the rotating rod, a connecting ring fixedly connected to a surface of the positioning post, and a softening rod fixedly connected to a surface of the connecting ring;

[0029] A cleaning component, comprising a circular frame, the circular frame being rotatably connected to the inner wall of the storage frame via a bearing, the inner wall of the circular frame being fixedly connected to a bent plate, and an end of the bent plate away from the circular frame being fixedly connected to a concave hole circular ring;

[0030] The movable component is arranged at one end of the circular plate away from the storage rack, and the number of the movable components is three.

[0031] There are four fixed plates and four filter screens, and the four filter screens are respectively arranged at one end of the fixed plates close to each other, and the fixed plates are arranged at one end of the storage rack close to the circular plate.

[0032] Wherein, the scraping component includes a rotating ring, which is rotatably connected to the inner wall of the storage rack through a bearing, and the rotating ring is fixedly connected to the bevel ring through a cylindrical rod. A cross is fixedly connected to the inner wall of the rotating ring, and a plurality of scrapers are provided on the surface of the bevel ring. A plurality of scrapers are provided on the bevel of the bevel ring. When there are a lot of impurities inside the underground pipeline, the scrapers will loosen the impurities inside the underground pipeline so that the scrapers can scrape and clean the inner wall of the underground pipeline. A driving rod is fixedly connected to the inner wall of the cross, and a meshing gear is fixedly connected to the surface of the driving rod. A cylindrical hole is opened inside the driving rod.

[0033] The inner wall of the bevel ring is fixedly connected with a circular hole frame, and the bevel of the bevel ring is fixedly connected with a scraper.

[0034] The cylindrical hole passes through the meshing gear, the meshing gear is located at the end of the driving rod away from the bevel ring, the end of the driving rod passes through the cross and extends to the outer end of the cross, and the bevel ring contacts the end surface of the storage rack.

[0035] Among them, the fixed cylinder is rotatably connected to the circular hole frame through a bearing, the fixed cylinder is located at the center of the circular hole frame, the end of the fixed cylinder passes through the circular hole frame and extends to the outer end of the circular hole frame, the softening rod is arranged at the end of the circular hole frame away from the driving rod, the softening rod is arranged at the outer end of the storage frame, and the bevel ring is fixedly connected to the electric push rod.

[0036] The softening component includes an inner ring gear, which is fixedly connected to the surface of the rotating rod. A synchronous gear is meshed on the inner wall of the inner ring gear. The synchronous gear is fixedly connected to the end of the rotating rod. The synchronous gear and the inner ring gear are internally meshed, so that the synchronous gear can drive the rotating rod and the rotating rod to rotate in the same direction. The driving gear and the meshing gear are meshed with the outer ring. The rotating rod drives the driving rod to rotate in the opposite direction through the meshing of the driving gear and the meshing gear, so that the scraping component and the softening component rotate in the opposite direction. The rotating rod is rotatably connected to the inner wall of the cylindrical hole through a bearing.

[0037] A triangular block is fixedly connected to the surface of the softening rod, a cleaning block is fixedly connected to the surface of the triangular block, and a crushing knife is fixedly connected to the surface of the triangular block.

[0038] There are four softening rods, the triangular block is in contact with the surface of the circular hole frame, and two crushing knives are provided on the surface of the triangular block, and the crushing knives are symmetrically arranged with the triangular block as the center.

[0039] Wherein, the cleaning component includes a limiting ring, which is rotatably connected to the surface of the positioning rod through a bearing, a support plate is fixedly connected to the surface of the limiting ring, and a brush plate is fixedly connected to the end of the support plate away from the limiting ring, the circular ring frame and the support plate are fixedly connected through a connecting rod, and a driving ring is engaged with the inner wall of the concave hole circular ring, and the driving ring is fixedly connected to the surface of the rotating rod;

[0040] There are four support plates, and the ends of the bent plates extend to the outer ends of the circular frame.

[0041] The brush plate contacts the surface of the filter screen, the end of the brush plate contacts the surface of the positioning rod, and the end of the brush plate away from the positioning rod contacts the inner wall of the storage rack.

[0042] The movable part includes an extension frame, which is fixedly connected to the circular plate, and the inner wall of the extension frame is fixedly connected to a side frame, the inner wall of the side frame is provided with a driver, and the end of the side frame away from the driver is rotatably connected to a roller rod through a bearing, and the surface of the roller rod is provided with a crawler;

[0043] There are two rollers and two drivers respectively, and the ends of the drivers and rollers that are away from each other are in contact with the inner wall of the crawler. There are two side frames, and the two side frames are symmetrically arranged with the crawler as the center.

[0044] The present invention has the beneficial effects:

[0045] The repair process of the present invention avoids the problems of ground damage and traffic congestion caused by traditional excavation repair methods, and has a significant protective effect on the urban environment; the detection and evaluation of pipeline conditions in the process can detect pipeline problems early and avoid greater accidents and losses caused by pipeline problems; the cleaning of the pipeline in the process can ensure the adhesion and sealing of the light-curing bushing; the production of the light-curing bushing in the process can be customized according to the size and shape of the pipeline to ensure that the bushing fits perfectly with the pipeline and the repair effect is better; the light-curing bushing in the process can form a new layer of corrosion-resistant and high-strength, which increases the service life and stability of the pipeline; multiple light curing can ensure that the bushing reaches the required thickness and hardness, ensuring the quality of the repair; trimming and polishing can make the surface of the bushing smooth and flat, further enhancing its sealing; re-inspection and acceptance can ensure that the repair quality meets the requirements, avoid loopholes and problems, and ensure the safety and reliability of the pipeline; in general, the step of using light-curing bushings for non-excavation repair of underground pipelines can bring about a fast, efficient, safe, environmentally friendly and reliable repair effect, reduce the impact of pipeline maintenance on the city and residents' lives, and also improve the reliability and service life of the pipeline.

[0046] The automatic underground pipe dredging and cleaning robot of the present invention is provided with a scraping component on the surface of the storage rack. After the motor is energized, the motor drives the scraping component to rotate, and the bevel ring uses the scraper on the surface to scrape and clean the inner wall of the underground pipe to prevent impurities such as silt from adhering to the inner wall of the underground pipe. A softening component is provided on the surface of the scraping component, and the softening component is used to crush the impurities to prevent the scraped impurities from being too large and causing internal blockage of the storage rack. The push plate pushes the impurities to the surface of the circular hole rack through the contraction of the electric push rod, and pushes the impurities into the interior of the storage rack for storage and collection. A cleaning component is provided inside the storage rack, and the filter screen is cleaned by the cleaning component to prevent the water flow inside the underground pipe from being discharged from the interior of the storage rack through the filter screen, and to prevent the water flow from gathering inside the storage rack. After the sealing door is opened, the cleaning component will push out the impurities inside the storage rack, thereby improving convenience.

[0047] The automatic dredging and cleaning robot for underground pipelines of the present invention is provided with a circular hole rack at the center of the bevel ring to prevent larger impurities from entering the interior of the storage rack and causing internal blockage of the storage rack. The rotating rod is driven by the motor to rotate the meshing gear, and the meshing gear pushes the cross to rotate through the driving rod. The rotating ring drives the bevel ring to rotate through the cross. When the storage rack moves toward the interior of the underground pipeline, thicker impurities inside the underground pipeline will preferentially contact the scraper, and the impurities are loosened by the scraper. The scraper cleans the impurities on the inner wall of the underground pipeline by rotating the bevel ring, loosens the interior of the underground pipeline, and the scraped impurities will fall between the push plate and the bevel ring. The push plate uses the contraction of the electric push rod to push the impurities to the surface of the circular hole rack, and pushes the impurities into the interior of the storage rack through the circular hole rack for collection and processing, so as to transport the impurities inside the underground pipeline.

[0048] The rotating rod of the automatic underground pipeline dredging and cleaning robot of the present invention drives the positioning column to rotate through the fixed cylinder, and the softening rod stirs the impurities through the rotation of the positioning column to prevent the impurities from condensing together. The triangular block cleans the surface of the circular hole frame through the rotation of the softening rod to prevent impurities from accumulating on the surface of the circular hole frame. A crushing knife is provided on the surface of the triangular block, and the impurities are crushed by the crushing knife to prevent larger impurities from blocking the circular hole frame, thereby further improving the dredging effect of the underground pipeline.

[0049] The driving ring of the automatic underground pipeline dredging and cleaning robot of the present invention drives the concave hole ring to rotate through the rotating rod, and the curved plate stirs the impurities inside the storage rack through the rotation of the circular ring rack, so that the impurities can be fully stored inside the storage rack, and the circular ring rack pushes the limiting ring to rotate through the connecting rod, and the limiting ring drives the brush plate to rotate and contacts the surface of the filter screen at the same time to prevent the impurities from clogging the filter screen, and the water flow inside the underground pipeline is discharged into the inside of the drainage hole through the filter screen, and flows to the outer end of the storage rack through the drainage hole to prevent the water flow inside the underground pipeline from gathering inside the storage rack. After the sealing door is opened, the curved plate will push the impurities toward the sealing door when rotating, so as to push out the impurities inside the storage rack, thereby improving the dredging efficiency of the underground pipeline.

[0050] The driver of the automatic underground pipeline dredging and cleaning robot of the present invention drives the crawler to rotate inside the extension frame. The crawler improves stability through the support of the side frame. Three crawlers are arranged on the surface of the circular plate. After the crawler contacts the inner wall of the underground pipeline, it pushes the storage rack to move inside the underground pipeline, so that the scraping component can move deep into the interior of the underground pipeline to dredge the interior of the underground pipeline. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] Figure 1 This is a schematic diagram of the overall structure of the automatic underground pipeline cleaning robot of the present invention;

[0052] Figure 2This is a schematic diagram of the overall structure of the storage rack of the automatic underground pipeline cleaning robot of the present invention;

[0053] Figure 3 This is a schematic cross-sectional view of the storage rack of the automatic underground pipeline dredging and cleaning robot of the present invention;

[0054] Figure 4 This is a schematic diagram of the overall structure of the filter screen of the automatic underground pipeline cleaning robot of the present invention;

[0055] Figure 5 This is a schematic diagram of the overall structure of the slope ring of the automatic underground pipeline cleaning robot of the present invention;

[0056] Figure 6 This is a schematic diagram of the overall structure of the cross of the automatic underground pipeline cleaning robot of the present invention;

[0057] Figure 7 This is a schematic diagram of the overall structure of the inner ring gear of the automatic underground pipeline cleaning robot of the present invention;

[0058] Figure 8 This is a schematic diagram of the overall structure of the triangular block of the automatic underground pipeline cleaning robot of the present invention;

[0059] Figure 9 This is a schematic diagram of the overall structure of the concave hole ring of the automatic underground pipeline dredging and cleaning robot of the present invention;

[0060] Figure 10 For the present invention Figure 3 A magnified schematic diagram of part A in FIG;

[0061] Figure 11 It is a cross-sectional schematic diagram of the movable flushing mechanism of the present invention parallel to the axial direction;

[0062] Figure 12 It is a schematic cross-sectional view of the movable flushing mechanism of the present invention along the vertical axis;

[0063] Figure 13 This is a schematic structural diagram of the piezoelectric deformation plate of the mobile flushing mechanism of the present invention;

[0064] 1. Automatic underground pipe cleaning robot; 101. Storage rack; 102. Sealing door; 103. Wire; 104. Electric push rod; 105. Push plate; 106. Scraping part; 107. Softening part; 108. Protective frame; 109. Circular plate; 110. Drain hole; 111. Cleaning part; 112. Moving part; 113. Positioning rod; 114. Fixed plate; 115. Filter; 120. Motor; 121, rotating ring; 122, bevel ring; 123, scraper; 124, circular hole frame; 125, scraper; 126, cylindrical rod; 127, driving gear; 128, rotating rod; 129, cylindrical hole; 130, meshing gear; 131, driving rod; 132, cross; 140, inner ring gear; 141, synchronous gear; 142, rotating rod; 143, fixed cylinder; 144, connecting ring; 14 5. Positioning column; 146. Softening rod; 147. Triangular block; 148. Cleaning block; 149. Crushing knife; 150. Ring frame; 151. Concave hole ring; 152. Bend plate; 153. Brush plate; 154. Drive ring; 155. Support plate; 156. Link rod; 157. Limiting ring; 160. Extension frame; 161. Drive; 162. Track; 163. Roller bar; 164. Side frame; 2. Support shaft; 3. Mobile flushing mechanism; 301. Hollow disc; 302. Bearing; 303. Sealing baffle; 304. Sealing ring; 305. Flushing guide; 306. Clockwise inclined cyclone nozzle; 307. Counterclockwise inclined cyclone nozzle; 308. Fixed arc panel; 309. Flexible arc panel; 310. Water outlet; 311. Piezoelectric deformation plate; 312. Elastic resin plate; 313. Piezoelectric ceramic plate. Implementation Method

[0065] The present invention will be described in further detail below with reference to the accompanying drawings and specific embodiments. The embodiments of the present invention are provided for purposes of illustration and description and are not intended to be exhaustive or to limit the invention to the disclosed forms. Many modifications and variations will be apparent to those skilled in the art. The embodiments are chosen and described to better illustrate the principles of the invention and its practical application, and to enable those skilled in the art to understand the invention and design various embodiments with various modifications suitable for specific applications. Example

[0066] See also Figures 1-9 ,

[0067] A trenchless repair process for an underground pipe network comprises the following steps:

[0068] ①Inspect and evaluate pipeline conditions: Use high-definition camera technology to inspect pipelines, evaluate pipeline conditions and areas that need repair;

[0069] ② Cleaning and unblocking the pipeline: Clean the inside of the pipeline to remove dirt and debris to ensure the smooth progress of the repair work;

[0070] ③ Make a light-curing bushing: Make a corresponding light-curing bushing according to the size and shape of the pipeline; the bushing is composed of epoxy resin, filler and photosensitizer;

[0071] ④ Insert the bushing into the pipe: Insert the prepared light-cured bushing into the pipe and inflate the bushing with an air tube to keep it in contact with the pipe wall;

[0072] ⑤ Perform light curing: Use ultraviolet light to cure the bushing to form a new layer of corrosion resistance and high strength. Usually multiple light curing cycles are required until the required thickness and hardness are achieved.

[0073] ⑥Remove the inflation tube and trim the bushing: After the light curing is completed, remove the inflation tube, and then trim and polish the bushing to make its surface smooth and flat;

[0074] ⑦ Re-inspection and acceptance: After the repair is completed, the pipeline will be inspected again to ensure that the repair quality meets the requirements.

[0075] Furthermore, the detection and assessment of pipeline conditions in step ① include:

[0076] Preparation: Determine the type, material and specifications of the pipes to be inspected, and prepare the necessary inspection equipment and tools;

[0077] Cleaning the pipeline: Clean the pipeline before testing to better observe the internal conditions of the pipeline; cleaning methods include high-pressure water flushing and / or vacuuming;

[0078] Conduct internal inspection of pipelines: Use high-definition camera technology to inspect the inside of pipelines and observe the internal conditions of pipelines, including the degree of damage, cracks, corrosion, blockage and deformation of pipelines;

[0079] Record pipeline conditions: Record and evaluate pipeline conditions in detail, including pipeline type, material, specifications, damage level, location, and size, and develop appropriate repair plans;

[0080] Prepare pipeline repair plan: Prepare corresponding repair plan based on the specific condition of the pipeline and repair requirements, including selecting appropriate repair materials, tools and methods.

[0081] Furthermore, the method for making the light-cured bushing in step ③ includes:

[0082] Measuring pipe size and shape: Determine the size and shape of the pipe by measuring it so as to produce the corresponding light-cured bushing;

[0083] Select appropriate materials: Based on the pipe material, environmental conditions and repair requirements, select appropriate materials, usually including epoxy resin, filler and photosensitizer;

[0084] Prepare bushing mold: Prepare the corresponding bushing mold according to the measured pipe size and shape;

[0085] Making bushings: After mixing the selected materials evenly, pour them into the mold, wait for them to solidify, take out the bushings and carry out subsequent processing;

[0086] Perform light curing: Insert the prepared light-curing sleeve into the pipe and use ultraviolet light to cure it to form a new layer of corrosion-resistant and high-strength. Multiple light curing cycles are required until the required thickness and hardness are reached.

[0087] Furthermore, in step ②, the cleaning and unblocking of the pipeline is performed by an automatic underground pipeline unblocking and cleaning robot 1; the automatic underground pipeline unblocking and cleaning robot 1 includes a storage rack 101, a sealing door 102 is hingedly connected to the surface of the storage rack 101, a circular plate 109 is threadedly connected to the inner wall of the storage rack 101, a drainage hole 110 is opened on the surface of the circular plate 109, and an electric wire 103 is provided on the surface of the circular plate 109. An electric push rod 104 is provided at one end of the storage rack 101 away from the circular plate 109, and a push plate 105 is fixedly connected to the end of the electric push rod 104 away from the storage rack 101. A fixed plate 114 is fixedly connected to the inner wall of the storage rack 101, and a positioning rod 113 is fixedly connected to the end of the fixed plate 114 away from the storage rack 101. A filter screen 115 is provided on the surface of the fixed plate 114, and further includes:

[0088] The scraping component 106 includes a motor 120, which is fixedly connected to the positioning rod 113. The surface of the motor 120 is fixedly connected to a protective frame 108. The output end of the motor 120 is fixedly connected to a rotating rod 128. The end of the rotating rod 128 away from the motor 120 is fixedly connected to a driving gear 127. The present invention provides a scraping component 106 on the surface of the storage rack 101. After the motor 120 is powered on, the motor 120 drives the scraping component 106 to rotate. The bevel ring 122 uses the scraper 125 on the surface to scrape and clean the inner wall of the underground pipeline to prevent silt and other impurities from adhering to the inner wall of the underground pipeline. A softening component 107 is provided on the surface of the scraping component 106, and the softening component 107 is used to crush the impurities to avoid The scraped impurities are large and cause the interior of the storage rack 101 to be blocked. The push plate 105 pushes the impurities to the surface of the circular hole rack 124 through the contraction of the electric push rod 104, and pushes the impurities into the interior of the storage rack 101 for storage and collection. A cleaning component 111 is provided inside the storage rack 101. The cleaning component 111 cleans the filter 115 to prevent the water flow inside the underground pipeline from being discharged from the interior of the storage rack 101 through the filter 115, and prevents the water flow from gathering inside the storage rack 101. After the sealing door 102 is opened, the cleaning component 111 will push the impurities inside the storage rack 101 to improve convenience. The storage rack 101 is provided with a bevel ring 122 at one end away from the circular plate 109, and the scraper 125 is fixedly connected to the surface of the bevel ring 122;

[0089] The softening component 107 includes a fixed cylinder 143 , a rotating rod 142 is fixedly connected to the inner wall of the fixed cylinder 143 , a positioning column 145 is fixedly connected to the end of the fixed cylinder 143 away from the rotating rod 142 , a connecting ring 144 is fixedly connected to the surface of the positioning column 145 , and a softening rod 146 is fixedly connected to the surface of the connecting ring 144 ;

[0090] The cleaning component 111 includes a circular frame 150, which is rotatably connected to the inner wall of the storage rack 101 through a bearing. A bent plate 152 is fixedly connected to the inner wall of the circular frame 150, and a concave ring 151 is fixedly connected to the end of the bent plate 152 away from the circular frame 150;

[0091] The movable component 112 is disposed at one end of the circular plate 109 away from the storage rack 101 . There are three movable components 112 .

[0092] There are four fixing plates 114 and four filtering screens 115 . The four filtering screens 115 are respectively arranged at one end of the fixing plates 114 close to each other. The fixing plates 114 are arranged at one end of the storage rack 101 close to the circular plate 109 .

[0093] The scraping component 106 includes a rotating ring 121, which is rotatably connected to the inner wall of the storage rack 101 through a bearing. The rotating ring 121 is fixedly connected to the bevel ring 122 through a cylindrical rod 126. A cross 132 is fixedly connected to the inner wall of the rotating ring 121. A driving rod 131 is fixedly connected to the inner wall of the cross 132. A meshing gear 130 is fixedly connected to the surface of the driving rod 131. The present invention provides a circular hole frame 124 at the center of the bevel ring 122 to prevent larger impurities from entering the interior of the storage rack 101 and causing internal blockage of the storage rack 101. The rotating rod 128 drives the meshing gear 130 to rotate through the motor 120. The meshing gear 130 drives the cross 132 to rotate through the driving rod 131. The rotating ring 1 21 The bevel ring 122 is driven to rotate by the cross 132. When the storage rack 101 moves toward the interior of the underground pipeline, the thicker impurities inside the underground pipeline will first contact the scraper 123, and the scraper 123 will loosen the impurities. The scraper 125 uses the rotation of the bevel ring 122 to clean the impurities on the inner wall of the underground pipeline and loosen the interior of the underground pipeline. The scraped impurities will fall between the push plate 105 and the bevel ring 122. The push plate 105 uses the contraction of the electric push rod 104 to push the impurities to the surface of the circular hole rack 124. The circular hole rack 124 pushes the impurities into the interior of the storage rack 101 for collection and processing, so as to transport the impurities inside the underground pipeline. A cylindrical hole 129 is opened inside the driving rod 131.

[0094] A circular hole frame 124 is fixedly connected to the inner wall of the bevel ring 122 , and a scraper 123 is fixedly connected to the bevel of the bevel ring 122 .

[0095] The cylindrical hole 129 passes through the meshing gear 130, which is located at the end of the driving rod 131 away from the bevel ring 122. The end of the driving rod 131 passes through the cross 132 and extends to the outer end of the cross 132. The bevel ring 122 contacts the end surface of the storage rack 101.

[0096] The fixed cylinder 143 is rotatably connected to the circular hole frame 124 through a bearing. The fixed cylinder 143 is located at the center of the circular hole frame 124. The end of the fixed cylinder 143 passes through the circular hole frame 124 and extends to the outer end of the circular hole frame 124. The softening rod 146 is arranged at one end of the circular hole frame 124 away from the driving rod 131. The softening rod 146 is arranged at the outer end of the storage rack 101, and the bevel ring 122 is fixedly connected to the electric push rod 104.

[0097] The softening component 107 includes an inner ring gear 140, which is fixedly connected to the surface of the rotating rod 128. The inner wall of the inner ring gear 140 is meshed with a synchronous gear 141, and the synchronous gear 141 is fixedly connected to the end of the rotating rod 142. The rotating rod 142 of the present invention drives the positioning column 145 to rotate through the fixed cylinder 143, and the softening rod 146 rotates through the positioning column 145 to stir the impurities to prevent the impurities from condensing together. The triangular block 147 cleans the surface of the circular hole frame 124 through the rotation of the softening rod 146 to prevent impurities from accumulating on the surface of the circular hole frame 124. A crushing knife 149 is provided on the surface of the triangular block 147. The crushing knife 149 crushes the impurities to prevent larger impurities from blocking the circular hole frame 124, further improving the dredging effect of the underground pipeline. The rotating rod 142 is rotatably connected to the inner wall of the cylindrical hole 129 through a bearing;

[0098] A triangular block 147 is fixedly connected to the surface of the softening rod 146 , a cleaning block 148 is fixedly connected to the surface of the triangular block 147 , and a crushing knife 149 is fixedly connected to the surface of the triangular block 147 .

[0099] There are four softening rods 146 , and the triangular block 147 contacts the surface of the circular hole frame 124 . Two crushing knives 149 are provided on the surface of the triangular block 147 , and the crushing knives 149 are symmetrically arranged with the triangular block 147 as the center.

[0100] The cleaning component 111 includes a limiting ring 157, which is rotatably connected to the surface of the positioning rod 113 through a bearing, and a support plate 155 is fixedly connected to the surface of the limiting ring 157. The end of the support plate 155 away from the limiting ring 157 is fixedly connected to the brush plate 153, and the circular ring frame 150 is fixedly connected to the support plate 155 through a connecting rod 156. The inner wall of the concave hole ring 151 is engaged with a driving ring 154. The driving ring 154 of the present invention drives the concave hole ring 151 to rotate through the rotating rod 128, and the bent plate 152 stirs the impurities inside the storage rack 101 through the rotation of the circular ring frame 150, so that the impurities can be fully stored in the interior of the storage rack 101. The circular ring frame 150 is fixedly connected to the support plate 155 through a connecting rod 156. The limiting ring 157 is pushed to rotate by the connecting rod 156, and the limiting ring 157 drives the brush plate 153 to rotate and contact the surface of the filter screen 115 at the same time, so as to prevent the filter screen 115 from being blocked by impurities. The water flow inside the underground pipeline is discharged into the inside of the drainage hole 110 through the filter screen 115, and flows to the outer end of the storage rack 101 through the drainage hole 110, so as to prevent the water flow inside the underground pipeline from gathering inside the storage rack 101. After the sealing door 102 is opened, the curved plate 152 will push the impurities toward the sealing door 102 when rotating, so as to push out the impurities inside the storage rack 101, thereby improving the dredging efficiency of the underground pipeline. The driving ring 154 is fixedly connected to the surface of the rotating rod 128;

[0101] There are four supporting plates 155 , and the ends of the bent plates 152 extend to the outer ends of the circular frame 150 .

[0102] The brush plate 153 contacts the surface of the filter 115 , the end of the brush plate 153 contacts the surface of the positioning rod 113 , and the end of the brush plate 153 away from the positioning rod 113 contacts the inner wall of the storage rack 101 . Example

[0103] Distinguishing features from Example 1;

[0104] like Figure 10 As shown: the moving component 112 includes an extension frame 160, which is fixedly connected to the circular plate 109. The inner wall of the extension frame 160 is fixedly connected to a side frame 164. The inner wall of the side frame 164 is provided with a driver 161. The end of the side frame 164 away from the driver 161 is rotatably connected to a roller 163 through a bearing. The driver 161 of the present invention pushes the crawler 162 to rotate inside the extension frame 160. The crawler 162 is supported by the side frame 164 to improve stability. Three crawlers 162 are provided on the surface of the circular plate 109. After the crawler 162 contacts the inner wall of the underground pipeline, it pushes the storage rack 101 to move inside the underground pipeline, so that the scraping component 106 can move deep into the interior of the underground pipeline to dredge the interior of the underground pipeline. The surface of the roller 163 is provided with a crawler 162.

[0105] There are two rollers 163 and two drivers 161 respectively. The ends of the drivers 161 and rollers 163 that are away from each other are in contact with the inner wall of the track 162. There are two side frames 164, and the two side frames 164 are symmetrically arranged with the track 162 as the center.

[0106] A specific application of this embodiment is as follows: a circular hole rack 124 is provided at the center of the bevel ring 122 to prevent larger impurities from entering the interior of the storage rack 101 and causing internal blockage of the storage rack 101. The rotating rod 128 drives the meshing gear 130 to rotate through the motor 120. The meshing gear 130 drives the cross 132 to rotate through the driving rod 131. The rotating ring 121 drives the bevel ring 122 to rotate through the cross 132. When the storage rack 101 moves toward the interior of the underground pipeline, the thicker impurities inside the underground pipeline will first contact the scraper 123, and the scraper 123 will loosen the impurities. The scraper 125 uses the rotation of the bevel ring 122 to clean the impurities on the inner wall of the underground pipeline, thereby cleaning the interior of the underground pipeline. The impurities scraped off will fall between the push plate 105 and the bevel ring 122. The push plate 105 uses the contraction of the electric push rod 104 to push the impurities to the surface of the circular hole rack 124, and the impurities are pushed into the interior of the storage rack 101 through the circular hole rack 124 for collection and processing, so as to transport the impurities inside the underground pipeline. The rotating rod 142 drives the positioning column 145 to rotate through the fixed cylinder 143, and the softening rod 146 stirs the impurities through the rotation of the positioning column 145 to prevent the impurities from condensing together. The triangular block 147 cleans the surface of the circular hole rack 124 through the rotation of the softening rod 146 to prevent impurities from accumulating on the surface of the circular hole rack 124. A crushing knife 149 is provided on the surface of the triangular block 147. 149 crushes the impurities to prevent larger impurities from blocking the circular hole rack 124, further improving the dredging effect of the underground pipeline. The driving ring 154 drives the concave hole ring 151 to rotate through the rotating rod 128, and the bent plate 152 stirs the impurities inside the storage rack 101 through the rotation of the circular ring rack 150, so that the impurities can be fully stored inside the storage rack 101. The circular ring rack 150 pushes the limiting ring 157 to rotate through the connecting rod 156, and the limiting ring 157 drives the brush plate 153 to rotate and contact the surface of the filter screen 115 at the same time to prevent impurities from blocking the filter screen 115. The water flow inside the underground pipeline is discharged into the drain hole 110 through the filter screen 115, and is discharged to the storage rack 101 through the drain hole 110. 1 flows along the outer end of the circular plate 109 to prevent the water flow inside the underground pipeline from gathering inside the storage rack 101. After the sealing door 102 is opened, the curved plate 152 will push the impurities toward the sealing door 102 when rotating, so as to push out the impurities inside the storage rack 101, thereby improving the efficiency of dredging the underground pipeline. The driver 161 drives the crawler 162 to rotate inside the extension frame 160. The crawler 162 is supported by the side frame 164 to improve stability. Three crawlers 162 are provided on the surface of the circular plate 109. After the crawler 162 contacts the inner wall of the underground pipeline, it pushes the storage rack 101 to move inside the underground pipeline, so that the scraping component 106 can move deep into the interior of the underground pipeline to dredge the interior of the underground pipeline. Example

[0107] like Figures 11 to 13 As shown, on the basis of Example 1 or Example 2, a support shaft 2 is detachably fixed to the rear middle part of the rear end of the storage rack 101; a movable flushing mechanism 3 is detachably and rotatably sleeved on the support shaft 2; the movable flushing mechanism 3 includes a hollow disc 301; the center of the hollow disc 301 is rotatably sleeved on the support shaft 2, and bearings 302 are respectively provided at the front and rear parts of the sleeve; a sealing baffle 303 is also provided at the front and rear parts of the bearing 302; the sealing baffle 303 is also embedded with a sealing ring 304 sleeved on the outer circumferential surface of the support shaft 2; a plurality of sets of flushing guides 305 are fixedly provided on the outer ring of the hollow disc 301; the flushing guide 305 includes a clockwise inclined cyclone nozzle 306 and a counterclockwise inclined cyclone nozzle 307; the clockwise inclined cyclone nozzle 306 and the counterclockwise inclined cyclone nozzle 307 have different inclination angles; the clockwise inclined cyclone nozzle 306 and the counterclockwise inclined cyclone nozzle 307 respectively include a fixed arc panel 308 and a flexible arc panel 309 The convex surface of the fixed arc panel 308 and the flexible arc panel 309 enclose a water outlet 310 whose cross-sectional area gradually decreases outward; a narrow air outlet slit is formed at the outlet of the water outlet 310; the outer end of the fixed arc panel 308 is longer than the outer end of the flexible arc panel 309, so that the air from the water outlet 310 adheres to the convex surface of the fixed arc panel 308 under the Coanda effect and is blown out; the flexible arc panel 309 is an elastic plate made of elastic material, and a sealing treatment is fixedly attached to its back. Piezoelectric deformation plate 311; the piezoelectric deformation plate 311 includes an elastic resin plate 312 and piezoelectric ceramic plates 313 attached to both sides of the elastic resin plate 312; by applying an electric field to the two piezoelectric ceramic plates 313 respectively through an external circuit, the piezoelectric ceramic plates 313 can be controlled to extend or shorten one of them, thereby controlling the bending degree of the piezoelectric deformation plate 311, thereby controlling the bending degree of the flexible arc panel 309, and thereby controlling the volume of the water outlet 310 and the cross-sectional area at the outlet.

[0108] An external pump air pipe pumps water containing detergent into the hollow disc 301; after the water is further pressurized in the hollow disc 301, it is sprayed out through the water outlet 310. Since the clockwise inclined cyclone nozzle 306 and the counterclockwise inclined cyclone nozzle 307 have different inclination directions and degrees, they can neutralize a part of the torque generated by the sprayed water on the hollow disc 301, thereby ensuring that the sprayed water can evenly clean the inner wall of the pipe; and by adjusting the size of the water outlet 310 of the clockwise inclined cyclone nozzle 306 and the counterclockwise inclined cyclone nozzle 307 respectively, the size of the air outlet and the torque and rotation speed of the hollow disc 301 can be controlled, thereby adjusting the cleaning speed and intensity.

[0109] Advantages of this program include:

[0110] 1. High degree of automation: The mobile flushing mechanism is used for flushing operations. The mobile flushing mechanism moves along with the automatic dredging and cleaning robot, which has a high degree of automation and can greatly reduce manual operations and improve work efficiency.

[0111] 2. Even flushing: Due to the use of clockwise and counterclockwise inclined cyclone nozzles, part of the torque generated by the sprayed water on the hollow disc can be neutralized, thus ensuring even flushing.

[0112] 3. Adjustable flushing speed and intensity: By adjusting the size of the water outlet of the clockwise inclined cyclone nozzle and the counterclockwise inclined cyclone nozzle, the size of the water outlet and the torque and speed of the hollow disc can be controlled, thereby adjusting the flushing speed and intensity.

[0113] 4. Wide range of applications: This solution can be applied to flushing the inner walls of pipes of different shapes and sizes.

[0114] Because the outer end of the fixed curved panel 308 is longer than that of the flexible curved panel 309, the air from the outlet 310 sprays onto the convex curved surface of the fixed curved panel 308, creating a Coanda effect. The Coanda effect is a phenomenon in fluid mechanics that occurs when a high-speed fluid flows along a solid surface, creating a low-pressure area on the surface. This allows the fluid to adhere tightly to the surface, forming a stable boundary layer. In this solution, the presence of the Coanda effect can improve the directionality and concentration of the flushing water, thereby enhancing the flushing effect and quality.

[0115] The inverse piezoelectric effect is applied to the bendable arc panel. By applying an electric field to control the elongation or contraction of the piezoelectric ceramic plate, the degree of curvature of the bendable arc panel can be controlled, thereby adjusting the volume of the water outlet and the cross-sectional area at the outlet. This allows the amount and range of water spray to be adjusted as needed, thereby improving the accuracy and efficiency of flushing. The application of this inverse piezoelectric effect makes the flushing process more precise and controllable, thereby improving the efficiency and quality of flushing.

[0116] Obviously, the embodiments described are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field and related fields without making creative efforts should fall within the scope of protection of the present invention. Structures, devices, and operating methods not specifically described and explained in the present invention shall be implemented in accordance with conventional means in the field unless otherwise specified or limited.

Claims

1. A trenchless repair process for an underground pipe network, characterized by: The following steps are included: ①Inspect and evaluate pipeline conditions: Use high-definition camera technology to inspect pipelines, evaluate pipeline conditions and areas that need repair; ② Cleaning and unblocking the pipeline: Clean the inside of the pipeline to remove dirt and debris to ensure the smooth progress of the repair work; ③ Make a light-curing bushing: Make a corresponding light-curing bushing according to the size and shape of the pipeline; the bushing is composed of epoxy resin, filler and photosensitizer; ④ Insert the bushing into the pipe: Insert the prepared light-cured bushing into the pipe and inflate the bushing with an air tube to keep it in contact with the pipe wall; ⑤ Perform light curing: Use ultraviolet light to cure the bushing to form a new layer of corrosion resistance and high strength. Usually, multiple light curing is required until the required thickness and hardness are achieved. ⑥Remove the inflation tube and trim the bushing: After the light curing is completed, remove the inflation tube, and then trim and polish the bushing to make its surface smooth and flat; ⑦ Re-testing and acceptance: After the repair is completed, the pipeline will be inspected again to ensure that the repair quality meets the requirements; In step ②, the cleaning and unclogging of the pipeline is performed by an automatic underground pipeline unclogging and cleaning robot (1); the automatic underground pipeline unclogging and cleaning robot (1) comprises a storage rack (101), a sealing door (102) is hinged on the surface of the storage rack (101), a circular plate (109) is threadedly connected to the inner wall of the storage rack (101), a drainage hole (110) is opened on the surface of the circular plate (109), and an electric wire (103) is arranged on the surface of the circular plate (109). The storage rack (101) An electric push rod (104) is provided at one end away from the circular plate (109), and a push plate (105) is fixedly connected to one end of the electric push rod (104) away from the storage rack (101). A fixing plate (114) is fixedly connected to the inner wall of the storage rack (101), and a positioning rod (113) is fixedly connected to one end of the fixing plate (114) away from the storage rack (101). A filter screen (115) is provided on the surface of the fixing plate (114). The underground pipeline automatic dredging and cleaning robot (1) also includes: A scraping component (106), the scraping component (106) comprising a motor (120), the motor (120) being fixedly connected to a positioning rod (113), a protective frame (108) being fixedly connected to the surface of the motor (120), a rotating rod (128) being fixedly connected to the output end of the motor (120), an end of the rotating rod (128) away from the motor (120) being fixedly connected to a driving gear (127), an end of the storage rack (101) away from the circular plate (109) being provided with a bevel ring (122), and a scraper (125) being fixedly connected to the surface of the bevel ring (122); A softening component (107), the softening component (107) comprising a fixed cylinder (143), the inner wall of the fixed cylinder (143) being fixedly connected to a rotating rod (142), the end of the fixed cylinder (143) away from the rotating rod (142) being fixedly connected to a positioning column (145), the surface of the positioning column (145) being fixedly connected to a connecting ring (144), and the surface of the connecting ring (144) being fixedly connected to a softening rod (146); A cleaning component (111), the cleaning component (111) comprises a circular frame (150), the circular frame (150) is rotatably connected to the inner wall of the storage frame (101) via a bearing, a bent plate (152) is fixedly connected to the inner wall of the circular frame (150), and one end of the bent plate (152) away from the circular frame (150) is fixedly connected to a concave hole ring (151); A moving component (112), the moving component (112) being arranged at one end of the circular plate (109) away from the storage rack (101), and a plurality of the moving components (112) are provided; A support shaft (2) is detachably fixed to the rear middle of the storage rack (101); a movable flushing mechanism (3) is detachably and rotatably sleeved on the support shaft (2); the movable flushing mechanism (3) comprises a hollow disc (301); the center of the hollow disc (301) is rotatably sleeved on the support shaft (2), and bearings (302) are respectively provided at the front and rear portions of the sleeve; sealing baffles (303) are also provided at the front and rear portions of the bearing (302); the sealing baffle (303) is also embedded with a sealing ring (304) sleeved on the outer circumference of the support shaft (2); a plurality of flushing guides (305) are fixedly provided on the outer ring of the hollow disc (301); the flushing guides (305) comprise clockwise inclined cyclone nozzles ( 306) and a counterclockwise inclined cyclone nozzle (307); the clockwise inclined cyclone nozzle (306) and the counterclockwise inclined cyclone nozzle (307) have different inclination angles; the clockwise inclined cyclone nozzle (306) and the counterclockwise inclined cyclone nozzle (307) respectively include a fixed arc panel (308) and a flexible arc panel (309); the outer convex arc surface of the fixed arc panel (308) and the flexible arc panel (309) enclose a water outlet (310) whose cross-sectional area gradually decreases outward; a narrow air outlet slit is formed at the outlet of the water outlet (310); the outer end of the fixed arc panel (308) is longer than the outer end of the flexible arc panel (309), so that the air discharged from the water outlet (310) adheres to the fixed arc panel under the Coanda effect. The outer convex arc surface of the panel (308) is blown out; the bendable arc panel (309) is an elastic plate made of elastic material, and a sealed piezoelectric deformation plate (311) is fixedly attached to the back of the panel; the piezoelectric deformation plate (311) includes an elastic resin plate (312) and piezoelectric ceramic plates (313) attached to both sides of the elastic resin plate (312); an electric field is applied to the two piezoelectric ceramic plates (313) through an external circuit, so that one of the piezoelectric ceramic plates (313) can be controlled to extend or shorten, thereby controlling the bending degree of the piezoelectric deformation plate (311), thereby controlling the bending degree of the bendable arc panel (309), and thereby controlling the volume of the water outlet (310) and the size of the cross-sectional area at the outlet; the external pump air pipe Water containing detergent is pumped into the hollow disc (301); after the water is further pressurized in the hollow disc (301), it is ejected through the water outlet (310). Since the clockwise inclined cyclone nozzle (306) and the counterclockwise inclined cyclone nozzle (307) have different inclination directions and degrees, a portion of the torque generated by the ejected water on the hollow disc (301) can be neutralized, thereby ensuring that the ejected water can evenly clean the inner wall of the pipe; and by adjusting the sizes of the water outlets (310) of the clockwise inclined cyclone nozzle (306) and the counterclockwise inclined cyclone nozzle (307), the size of the air outlet and the torque and rotation speed of the hollow disc (301) can be controlled, thereby adjusting the cleaning speed and intensity.

2. The trenchless repair process for an underground pipe network according to claim 1, characterized in that: The inspection and assessment of pipeline conditions in step ① include: Preparation: Determine the type, material and specifications of the pipes to be inspected, and prepare the necessary inspection equipment and tools; Cleaning the pipeline: Clean the pipeline before testing to better observe the internal conditions of the pipeline; cleaning methods include high-pressure water flushing and / or vacuuming; Conduct internal inspection of pipelines: Use high-definition camera technology to inspect the inside of pipelines and observe the internal conditions of pipelines, including the degree of damage, cracks, corrosion, blockage and deformation of pipelines; Record pipeline conditions: Record and evaluate pipeline conditions in detail, including pipeline type, material, specifications, damage level, location, and size, and develop appropriate repair plans; Prepare pipeline repair plan: Prepare corresponding repair plan based on the specific condition of the pipeline and repair requirements, including selecting appropriate repair materials, tools and methods.

3. The trenchless repair process for underground pipe networks according to claim 1, characterized in that: The method for making the light-cured bushing in step ③ includes: Measuring pipe size and shape: Determine the size and shape of the pipe by measuring it so as to produce the corresponding light-cured bushing; Select appropriate materials: Based on the pipe material, environmental conditions and repair requirements, select appropriate materials, usually including epoxy resin, filler and photosensitizer; Prepare bushing mold: Prepare the corresponding bushing mold according to the measured pipe size and shape; Making bushings: After mixing the selected materials evenly, pour them into the mold, wait for them to solidify, take out the bushings and carry out subsequent processing; Perform light curing: Insert the prepared light-curing sleeve into the pipe and use ultraviolet light to cure it to form a new layer of corrosion-resistant and high-strength. Multiple light curing cycles are required until the required thickness and hardness are reached.

4. The trenchless repair process for an underground pipe network according to claim 1, wherein: The number of the fixing plates (114) is plural, the number of the filtering screens (115) is plural, the plural filtering screens (115) are respectively arranged at one end of the fixing plate (114) close to each other, and the fixing plate (114) is arranged at one end of the storage rack (101) close to the circular plate (109); the scraping component (106) comprises a rotating ring (121), the rotating ring (121) is rotatably connected to the inner wall of the storage rack (101) through a bearing, the rotating ring (121) and the bevel ring (122) are fixedly connected through a cylindrical rod (126), a cross (132) is fixedly connected to the inner wall of the rotating ring (121), a driving rod (131) is fixedly connected to the inner wall of the cross (132), a meshing gear (130) is fixedly connected to the surface of the driving rod (131), and a cylindrical hole (129) is provided inside the driving rod (131); The inner wall of the bevel ring (122) is fixedly connected to a circular hole frame (124), and the bevel of the bevel ring (122) is fixedly connected to a scraper (123).

5. The trenchless repair process for underground pipe networks according to claim 4, characterized in that: The cylindrical hole (129) passes through the meshing gear (130), and the meshing gear (130) is located at one end of the driving rod (131) away from the bevel ring (122). The end of the driving rod (131) passes through the cross (132) and extends to the outer end of the cross (132). The bevel ring (122) contacts the end surface of the storage rack (101); the fixed cylinder (143) is rotatably connected to the circular hole rack (124) through a bearing. The fixed cylinder (143) is located at the center of the circular hole rack (124). The end of the fixed cylinder (143) passes through the circular hole rack (124) and extends to the outer end of the circular hole rack (124). The softening rod (146) is arranged at one end of the circular hole rack (124) away from the driving rod (131). The softening rod (146) is arranged at the outer end of the storage rack (101), and the bevel ring (122) is fixedly connected to the electric push rod (104).

6. The trenchless repair process for underground pipe networks according to claim 1, characterized in that: The softening component (107) includes an inner ring gear (140), the inner ring gear (140) is fixedly connected to the surface of the rotating rod (128), the inner wall of the inner ring gear (140) is meshed with a synchronous gear (141), the synchronous gear (141) is fixedly connected to the end of the rotating rod (142), and the rotating rod (142) is rotatably connected to the inner wall of the cylindrical hole (129) through a bearing; the surface of the softening rod (146) is fixedly connected to a triangular block (147), the surface of the triangular block (147) is fixedly connected to a cleaning block (148), and the surface of the triangular block (147) is fixedly connected to a crushing knife (149); the number of the softening rods (146) is set to be multiple, the triangular block (147) contacts the surface of the circular hole frame (124), and the surface of the triangular block (147) is provided with multiple crushing knives (149), and the crushing knives (149) are symmetrically arranged with the triangular block (147) as the center.

7. The trenchless repair process for an underground pipe network according to claim 1, characterized in that: The cleaning component (111) comprises a limiting ring (157), the limiting ring (157) is rotatably connected to the surface of the positioning rod (113) through a bearing, the surface of the limiting ring (157) is fixedly connected to a support plate (155), one end of the support plate (155) away from the limiting ring (157) is fixedly connected to a brush plate (153), the circular ring frame (150) is fixedly connected to the support plate (155) through a connecting rod (156), the inner wall of the concave hole circular ring (151) is engaged with a driving ring (154), and the driving ring (154) is fixedly connected to the surface of the rotating rod (128); There are a plurality of support plates (155), and the end of the bent plate (152) extends to the outer end of the circular frame (150).

8. The trenchless repair process for underground pipe networks according to claim 7, characterized in that: The brush plate (153) contacts the surface of the filter screen (115), the end of the brush plate (153) contacts the surface of the positioning rod (113), and the end of the brush plate (153) away from the positioning rod (113) contacts the inner wall of the storage rack (101).

9. The trenchless repair process for underground pipe networks according to claim 1, characterized in that: The moving component (112) includes an extension frame (160), the extension frame (160) is fixedly connected to the circular plate (109), the inner wall of the extension frame (160) is fixedly connected to a side frame (164), the inner wall of the side frame (164) is provided with a driver (161), and one end of the side frame (164) away from the driver (161) is rotatably connected to a roller (163) through a bearing, and a crawler (162) is provided on the surface of the roller (163); The number of the roller rod (163) and the number of the driver (161) are respectively set to be multiple, and the ends of the driver (161) and the roller rod (163) that are away from each other are in contact with the inner wall of the crawler (162), and the number of the side frames (164) is set to be multiple, and the multiple side frames (164) are symmetrically arranged with the crawler (162) as the center.

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