Ultraviolet curing repair lamp holder for drainage pipeline

By designing a UV curing repair lamp holder for drainage pipes, and utilizing a gear transmission structure and arc-shaped connectors, the problem of poor adaptability of traditional light source devices to different pipe diameters was solved, achieving precise adaptation and stable curing for different pipes.

CN120889989APending Publication Date: 2025-11-04CHINA THREE GORGES CORPORATION
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202511097187.6
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-08-06
Publication Date
2025-11-04

AI Technical Summary

Technical Problem

Traditional UV curing light source devices are difficult to adapt to drainage pipes of different diameters, resulting in poor adaptability.

Method used

A UV curing repair lamp holder for drainage pipes was designed. It adopts an installation frame, drive plate and support structure. The dynamic and progressive movement of the walking wheel set is realized through gear transmission structure and arc-shaped connector to adapt to different pipe diameters.

Benefits of technology

It achieves precise adaptation to different pipe diameters, improves the adaptability and response speed of the equipment, reduces manual intervention, and ensures the stable curing of the light source device in the pipeline.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN120889989A_ABST
    Figure CN120889989A_ABST
Patent Text Reader

Abstract

The invention relates to the technical field of drainage pipeline repair, and discloses an ultraviolet curing repair lamp holder for a drainage pipeline. The first arc-shaped connecting piece is arranged, and the connecting end part of the first arc-shaped connecting piece is in transmission connection with the driving disc through the gear transmission structure, so that power output by the power output end of the driving piece can be transmitted to the connecting end part through the driving disc and the gear transmission structure; the free end part can rotate around the connecting end part and can approach or deviate from the inner wall of the drainage pipeline in the rotating process, so that the driving disc can drive the walking wheel set to dynamically and gradually move in the rotating process, and the position of the walking wheel set can be dynamically adjusted according to the actual size of the drainage pipeline; the requirements of pipelines with different diameters are met. Compared with a traditional ultraviolet light curing light source device, the phenomenon that traditional equipment is poor in adaptability to different pipe diameters can be improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This invention relates to the field of drainage pipe repair technology, specifically to a UV curing repair lamp holder for drainage pipes. Background Technology

[0002] Urban underground pipe networks, especially drainage pipes, are crucial infrastructure for ensuring the normal operation of cities. With increasing service life, problems such as pipe aging, corrosion, and cracking become increasingly prominent, necessitating efficient and reliable repair technologies. Trenchless repair technologies are widely used in pipe repair due to their advantages, such as not requiring large-scale road excavation and minimal impact on traffic and the environment. Among these, ultraviolet (UV) curing repair technology, as an efficient and environmentally friendly lining repair method, uses specific wavelengths of UV light to induce rapid curing of resin, forming a high-strength lining, and has seen rapid development in recent years.

[0003] In existing processes for UV-curing repair of drainage pipes, a flexible tube impregnated with UV-curing resin (often called a "lining tube") is typically first pulled or inverted and inserted into the damaged pipe to be repaired. Then, a special clamp is used to seal and tighten both ends of the tube. Next, high-pressure air is injected into the tube through the clamp, causing it to fully expand and adhere tightly to the inner wall of the damaged pipe. Finally, a UV curing light source is placed inside the expanded tube. This light source emits UV light of a specific wavelength, triggering a photochemical reaction in the resin inside the tube, which then rapidly cures and forms a robust new lining inside the old pipe.

[0004] However, in practical applications, existing ultraviolet curing light source devices have been found to have lifting mechanisms that are mostly operated manually or partially electrified with manual adjustment, making it difficult to adapt to the needs of different pipe diameters. Summary of the Invention

[0005] In view of this, the present invention provides a UV curing repair lamp holder for drainage pipes to solve the problem that traditional UV curing light source devices are difficult to adapt to different pipe diameters.

[0006] The present invention provides a UV curing repair lamp holder for drainage pipes, comprising a mounting frame, a drive plate, and a support structure. Specifically, the mounting frame is cylindrical and is used to fix the drive plate and the support structure. The drive plate is mounted on one end face of the mounting frame along its central axis and is connected to the power output end of a drive component, rotating under the action of the power output end of the drive component. The support structure includes a first arc-shaped connector and a set of wheels. One end of the first arc-shaped connector is a connecting end, and a gear transmission structure is mounted on the connecting end, which is connected to the drive plate. The other end of the first arc-shaped connector is a free end, and the set of wheels is mounted on the first arc-shaped connector, arranged away from the connecting end. The aforementioned wheel set is used to support the lamp holder to move inside the inner lining hose; wherein, the support structure has a retracted state, a raised state, and a transition state from one of the retracted state and the raised state to the other. When the free end is in the retracted state, the free end is arranged close to the outer wall of the mounting frame. When the free end is in the raised state, the wheel set is in close contact with the inner wall of the inner lining hose, and when the inner lining hose is pressurized by air and pressed tightly against the inner wall of the drainage pipe, it drives the lamp holder to move in the inner lining hose. When the free end is in the transition state, the free end rotates around the connecting end and moves closer to or away from the inner wall of the drainage pipe.

[0007] Beneficial effects: By setting a first arc-shaped connector and connecting the connecting end of the first arc-shaped connector to the drive disk through a gear transmission structure, the power output from the drive component can be transmitted to the connecting end through the drive disk and the gear transmission structure. Since the first arc-shaped connector also has a free end, the free end can rotate around the connecting end. During its rotation, it can move closer to or away from the inner wall of the drainage pipe. Therefore, during the rotation of the drive disk, the walking wheel set can be driven to move dynamically and gradually. The position of the walking wheel set can be dynamically adjusted according to the actual size of the drainage pipe, which is suitable for pipes of different diameters. Compared with traditional ultraviolet curing light source devices, it can improve the phenomenon that traditional equipment has poor adaptability to different pipe diameters.

[0008] In one optional embodiment, the gear transmission structure includes a first transmission gear, a second transmission gear, and a first rotating shaft. The first transmission gear and the second transmission gear mesh, the first transmission gear is connected to the drive disc, and the second transmission gear is mounted on the connecting end of the first arc-shaped connector via the first rotating shaft, for driving the connecting end to rotate via the first rotating shaft.

[0009] In one optional embodiment, the support structure further includes a first link and a second link. One end of the first link is connected to the drive disk; one end of the second link is rotatably connected to the other end of the first link via a second pivot, and the other end of the second link is rotatably connected to a first transmission gear via a third pivot.

[0010] In one optional embodiment, the support structure further includes a support and a second arc-shaped connector. The support is mounted on the mounting frame; one end of the second arc-shaped connector is mounted on a first rotating shaft, and the other end of the second arc-shaped connector is rotatably mounted on the support via a fourth rotating shaft. The second arc-shaped connector and the first arc-shaped connector are axially spaced along the central axis of the mounting frame.

[0011] In one alternative implementation, the number of teeth on the first transmission gear is greater than the number of teeth on the second transmission gear.

[0012] In one optional embodiment, the support structure further includes an elastic reset member, the two ends of which are connected to the first arc-shaped connector and the walking wheel assembly, respectively, along the direction of their elastic deformation.

[0013] In one optional embodiment, the walking wheel assembly includes support wheels and a fifth rotating shaft. Two support wheels are provided and spaced apart; the two ends of the fifth rotating shaft along its axial direction are respectively mounted at the rotation centers of the two support wheels; wherein, the two ends of the elastic reset member along its elastic deformation direction are respectively connected to the first arc-shaped connecting member and the fifth rotating shaft.

[0014] In one alternative embodiment, at least one of the walking wheel sets is mounted on each of the first arc-shaped connectors, wherein one of the walking wheel sets is mounted on the free end of the first arc-shaped connector.

[0015] In one alternative embodiment, the support structure is provided in multiple forms, and the multiple support structures are arranged in a circular array around the central axis of the mounting frame.

[0016] In one optional embodiment, the mounting frame includes mounting bases for mounting ultraviolet curing light sources. Multiple mounting bases are provided and arranged in a circumferential array. Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the specific embodiments of the present invention, the drawings used in the description of the specific embodiments will be briefly introduced below. Obviously, the drawings described below are some embodiments of the present invention. For those skilled in the art, other drawings can be obtained from these drawings without creative effort.

[0018] Figure 1 A perspective view of the UV curing repair lamp holder for drainage pipes provided in an embodiment of the present invention;

[0019] Figure 2 A partial perspective view of the UV curing repair lamp holder for drainage pipes provided in an embodiment of the present invention;

[0020] Figure 3 The image shows a front view of the drive plate, first connecting rod, second connecting rod, second rotating shaft, fourth rotating shaft, second arc-shaped connector, and support in the UV curing repair lamp holder for drainage pipes provided in an embodiment of the present invention during installation.

[0021] Figure 4 The first arc-shaped connector, the walking wheel set, the first transmission gear, the second transmission gear, the first rotating shaft, and the third rotating shaft in the ultraviolet curing repair lamp holder for drainage pipes provided in the embodiment of the present invention are shown in the front view during installation.

[0022] Figure 5 This is a front view of the drainage pipe UV curing repair lamp holder with its walking wheel assembly stored in an embodiment of the present invention.

[0023] Figure 6 This is a front view of the drive disk in the UV curing repair lamp holder for drainage pipes provided in an embodiment of the present invention when the rotation angle of the drive disk is α1.

[0024] Figure 7 This is a front view of the drive disc in the UV curing repair lamp holder for drainage pipes provided in an embodiment of the present invention when the rotation angle of the drive disc is α2.

[0025] Figure 8 The front view of the drive disc rotating at an angle α3 in the UV curing repair lamp holder for drainage pipes provided in this embodiment of the invention.

[0026] Explanation of reference numerals in the attached figures:

[0027] 1. Mounting frame; 101. Mounting bracket;

[0028] 2. Drive disk;

[0029] 3. Support structure; 301. First arc-shaped connector; 3011. Connecting end; 3012. Free end; 302. Walking wheel assembly; 3021. Support wheel; 3022. Fifth pivot; 303. First connecting rod; 304. Second connecting rod; 305. Second pivot; 306. Third pivot; 307. Support; 308. Second arc-shaped connector; 309. Fourth pivot; 310. Elastic reset component;

[0030] 4. Gear transmission structure; 401. First transmission gear; 402. Second transmission gear; 403. First rotating shaft; 404. Mounting bracket. Detailed Implementation

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

[0032] In the description of this application, it should be understood that the terms "center", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0033] The terms "first," "second," "third," "fourth," and "fifth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined as "first," "second," "third," "fourth," and "fifth" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0034] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0035] The following is combined Figures 1 to 8 The following describes embodiments of the present invention.

[0036] According to embodiments of the present invention, such as Figure 1 As shown, the provided UV curing repair lamp holder for drainage pipes includes a mounting frame 1, a drive plate 2, and a support structure 3.

[0037] Specifically, such as Figure 1 The mounting frame 1 shown is cylindrical and is used to fix the drive disk 2 and the support structure 3.

[0038] Specifically, a drive disk 2 is mounted on one end face of the mounting frame 1 along its central axis. The drive disk 2 is used to connect to the power output end of the drive component (such as a drive shaft). The drive disk 2 rotates under the action of the power output end of the drive component.

[0039] like Figures 1 to 5 As shown, the support structure 3 includes a first arc-shaped connector 301 and a set of walking wheels 302. One end of the first arc-shaped connector 301 is a connecting end 3011, and a gear transmission structure 4 is installed on the connecting end 3011. The gear transmission structure 4 is connected to the drive disk 2. The other end of the first arc-shaped connector 301 is a free end 3012. The set of walking wheels 302 is installed on the first arc-shaped connector 301 and is arranged away from the connecting end 3011. The set of walking wheels 302 is used to support the lamp holder to walk inside the inner lining hose.

[0040] The support structure 3 has a retracted state, a raised state, and a transition state from one of the retracted state to the other. When the support structure 3 is in the retracted state, the free end 3012 is arranged close to the outer wall of the mounting frame 1. When the support structure 3 is in the raised state, the walking wheel set 302 is close to the inner wall of the inner lining hose. When the inner lining hose is pressurized by air and close to the inner wall of the drainage pipe, it drives the lamp holder to walk in the inner lining hose. When the support structure 3 is in the transition state, the free end 3012 rotates around the connecting end 3011 and moves close to or away from the inner wall of the drainage pipe.

[0041] With this configuration, by setting the first arc-shaped connector 301, the connecting end 3011 of the first arc-shaped connector 301 is connected to the drive disk 2 through the gear transmission structure 4, so that the power output from the power output end of the drive component can be transmitted to the connecting end 3011 through the drive disk 2 and the gear transmission structure 4.

[0042] Furthermore, since the first arc-shaped connector 301 is also provided with a free end 3012, the free end 3012 can rotate around the connecting end 3011, and during its rotation, it can approach or move away from the inner wall of the drainage pipe.

[0043] Therefore, during the rotation of the drive disc 2, the walking wheel set 302 can be driven to move dynamically and gradually. The position of the walking wheel set 302 can be dynamically adjusted according to the actual size of the drainage pipe, which is suitable for pipes of different diameters. Compared with traditional ultraviolet curing light source devices, it can improve the phenomenon that traditional equipment has poor adaptability to different pipe diameters.

[0044] Meanwhile, in the transition state, the walking wheel set 302 can gradually move outward or inward through the coordinated action of the gear transmission structure 4 and the drive disk 2. Its motion trajectory is precise and controllable, improving the response speed and positioning accuracy to changes in pipe size.

[0045] Furthermore, the design of the support structure 3 in its retracted state allows it to be arranged close to the outer wall of the mounting frame 1 when not in operation, which reduces the size of the equipment and facilitates flexible deployment in narrow pipes or complex working conditions.

[0046] It can be explained that the direction of the free end 3012 away from the inner wall of the drainage pipe is defined as the opposite direction to the direction of the inner wall of the drainage pipe.

[0047] In one embodiment, such as Figure 1 , Figure 2 and Figure 4 As shown, the gear transmission structure 4 includes a first transmission gear 401, a second transmission gear 402, and a first rotating shaft 403. The first transmission gear 401 and the second transmission gear 402 mesh. The first transmission gear 401 is connected to the drive disk 2. The second transmission gear 402 is installed on the connecting end 3011 of the first arc-shaped connector 301 through the first rotating shaft 403, and is used to drive the connecting end 3011 to rotate through the first rotating shaft 403.

[0048] With this configuration, the rotational motion of the drive disc 2 is converted into the rotation of the first arc-shaped connector 301 through the reverse rotational characteristics of the gear transmission. This causes the free end 3012 to move outward or inward around the second transmission gear 402, so that the position of the walking wheel set 302 is adjusted synchronously with the displacement of the free end 3012. This allows for precise fitting of the inner wall of pipes with different diameters, and automatic adjustment can be achieved without manual intervention, solving the problem of poor adaptability to pipe diameter in existing solutions.

[0049] Meanwhile, since the instantaneous transmission ratio of the gear transmission is constant, the meshing process of the first transmission gear 401 and the second transmission gear 402 can maintain the continuity and stability of motion transmission, and the rotation trajectory of the free end 3012 around the second transmission gear 402 under gear drive is smoother, avoiding the jamming or offset that may occur during traditional manual adjustment.

[0050] It can be explained that, in this application, the drive disk 2 can rotate clockwise or counterclockwise around its own axis under the action of the power output end of the drive component.

[0051] Furthermore, the first transmission gear 401 is defined to rotate in the same direction as the drive disk 2. Since the second transmission gear 402 meshes with the first transmission gear 401, the rotation direction of the second transmission gear 402 is opposite to the rotation direction of the drive disk 2.

[0052] It should be noted that, in order to facilitate the first transmission gear 401 rotating in the same direction as the drive disc 2, as follows: Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, the support structure 3 also includes a first link 303 and a second link 304.

[0053] One end of the first connecting rod 303 is connected to the drive disk 2; one end of the second connecting rod 304 is rotatably connected to the other end of the first connecting rod 303 via the second rotating shaft 305, and the other end of the second connecting rod 304 is rotatably connected to the first transmission gear 401 via the third rotating shaft 306.

[0054] This configuration, by hinged the first link 303 and the second link 304 through the second pivot 305, and the second link 304 and the first transmission gear 401 through the third pivot 306, allows relative rotation between the first link 303 and the second link 304, and between the second link 304 and the first transmission gear 401. This allows the rotational motion of the drive disc 2 to be transmitted to the second link 304 through the first link 303, and then linked by the second link 304 with the first transmission gear 401 through the third pivot 306, ultimately transforming it into a specific trajectory motion of the walking wheel assembly 302. This can convert the rotational motion of the drive disc 2 into a specific motion trajectory required by the first transmission gear 401, thereby precisely controlling the movement path of the walking wheel assembly 302 and ensuring that the walking wheel assembly 302 can complete the fitting action of the inner lining hose under different pipe diameters.

[0055] Furthermore, such as Figures 1 to 5 As shown, the support structure 3 also includes a support 307 and a second arc-shaped connector 308. The support 307 is mounted on the mounting frame 1; one end of the second arc-shaped connector 308 is mounted on the first rotating shaft 403, and the other end of the second arc-shaped connector 308 is rotatably mounted on the support 307 via a fourth rotating shaft 309. The second arc-shaped connector 308 and the first arc-shaped connector 301 are axially spaced along the central axis of the mounting frame 1.

[0056] With this configuration, by installing one end of the second arc-shaped connector 308 onto the first rotating shaft 403, and rotatably installing the other end of the second arc-shaped connector 308 onto the support 307 via the fourth rotating shaft 309, when the first arc-shaped connector 301 is subjected to force and rotates around the first rotating shaft 403, the second arc-shaped connector 308, which shares the first rotating shaft 403 with it, will be pulled or pushed due to the connection relationship, resulting in rotation in the opposite direction. This allows the second arc-shaped connector 308 to directly act on the first rotating shaft 403, supporting the first arc-shaped connector 301 on the first rotating shaft 403, effectively resisting the bending deformation tendency of the first arc-shaped connector 301 caused by load or movement, improving the rigidity and deformation resistance of the entire support structure 3 during movement, and preventing the walking wheel set 302 from experiencing undesirable deviation or shaking.

[0057] It can be explained that, for example Figures 1 to 4 As shown, the first transmission gear 401 is mounted on the third rotating shaft 306, so that the drive disc 2 can drive the first connecting rod 303 to rotate around the second rotating shaft 305, and can drive one end of the second connecting rod 304 to swing through the third rotating shaft 306, thereby driving the other end of the second connecting rod 304 to swing, thus driving the gear transmission structure 4 to swing.

[0058] It should be noted that during the swinging process of the second link 304, it will drive the third rotating shaft 306 to rotate, which in turn drives the first transmission gear 401 to rotate.

[0059] Therefore, as Figure 3 and Figure 4 As shown, when the drive disc 2 rotates clockwise, the walking wheel assembly 302 is lifted, and when the drive disc 2 rotates counterclockwise, the walking wheel assembly 302 is retracted.

[0060] That is, when the drive disc 2 rotates clockwise, the second transmission gear 402 rotates counterclockwise, causing the free end 3012 to rotate counterclockwise around the first rotating shaft 403. At this time, the free end 3012 is in a transitional state from the retracted state to the lifting state, causing the walking wheel set 302 on the first arc-shaped connector 301 to gradually approach the inner wall of the drainage pipe.

[0061] Of course, when the drive disc 2 rotates counterclockwise, the second transmission gear 402 rotates clockwise, causing the free end 3012 to rotate clockwise around the first rotating shaft 403. At this time, the free end 3012 is in a transitional state from the lifting state to the storage state, causing the walking wheel set 302 on the first arc-shaped connector 301 to gradually approach the mounting frame 1.

[0062] It can be explained that since the support 307 is installed on the mounting frame 1, and the other end of the second arc-shaped connector 308 is rotatably installed on the support 307 via the fourth rotating shaft 309, during the rotation of the first connecting rod 303 and the swing of the second connecting rod 304, the end of the second arc-shaped connector 308 used to install the first rotating shaft 403 will rotate around the fourth rotating shaft 309.

[0063] It can be noted that the gear transmission structure 4 can be one of the following: speed-increasing structure, constant speed structure, and speed-reducing structure.

[0064] Preferably, the gear transmission structure 4 is selected as a speed-increasing structure.

[0065] That is, the number of teeth of the first transmission gear 401 is greater than the number of teeth of the second transmission gear 402.

[0066] With this configuration, since the speed ratio of the meshing gears is inversely proportional to the number of teeth, the second transmission gear 402 with a smaller number of teeth rotates faster. In the same amount of time, its cumulative rotation angle is greater than that of the first transmission gear 401, which can increase the rotation angle of the free end 3012 around the connecting end 3011.

[0067] Meanwhile, the faster rotation of the second transmission gear 402 can shorten the time for adjusting the position of the walking wheel set 302, improve the response speed of the equipment to complex working conditions, and enable the walking wheel set 302 to quickly adapt to the inner wall of different pipe diameters, achieving rapid expansion or contraction.

[0068] In one embodiment, such as Figures 1 to 3 As shown, the gear transmission structure 4 also includes a mounting bracket 404. At this time, the rotation center of the first transmission gear 401 is equipped with a third rotating shaft 306, and the rotation center of the second transmission gear 402 is equipped with a first rotating shaft 403.

[0069] In one embodiment, such as Figure 1 and Figure 4 As shown, the support structure 3 also includes an elastic reset member 310, whose two ends along its elastic deformation direction are connected to the first arc-shaped connector 301 and the walking wheel set 302, respectively.

[0070] With this configuration, by applying the two ends of the elastic reset member 310 along its elastic deformation direction to the first arc-shaped connector 301 and the walking wheel set 302 respectively, when the walking wheel set 302 unfolds outward under the action of the drive mechanism to fit tightly against the inner wall of the pipe, it is prevented from stretching excessively and causing the walking wheel set 302 to squeeze the hose and deform the hose.

[0071] Meanwhile, the energy storage and release damping characteristics of the elastic reset member 310 can effectively absorb the high-frequency vibration of the walking wheel assembly 302 during movement.

[0072] In one embodiment, such as Figure 1 and Figure 4 As shown, the walking wheel assembly 302 includes support wheels 3021 and a fifth rotating shaft 3022. Two support wheels 3021 are provided and spaced apart; the two ends of the fifth rotating shaft 3022 along its axial direction are respectively mounted at the rotation centers of the two support wheels 3021; ​​wherein, the two ends of the elastic reset member 310 along its elastic deformation direction are respectively connected to the first arc-shaped connecting member 301 and the fifth rotating shaft 3022.

[0073] With this configuration, by using the fifth rotating shaft 3022, the two support wheels 3021 can be driven to rotate synchronously, so that the friction between the walking wheel set 302 and the inner lining hose is rolling friction, which reduces the friction loss between the inner lining hose and the walking wheel set 302, reduces the scratches caused by the walking wheel set 302 on the inner lining hose, and avoids hose damage caused by rigid support.

[0074] Furthermore, by using an elastic reset member 310, and connecting its two ends in the direction of elastic deformation to the first arc-shaped connector 301 and the fifth rotating shaft 3022 respectively, the two support wheels 3021 are given the ability to dynamically adjust the pressure applied by the two support wheels 3021. When the inner lining hose causes local pressure fluctuations due to the unevenness of the inner wall of the pipe, the elastic reset member 310 can store and release energy to drive the two support wheels 3021 to automatically adjust the spacing, ensuring that the inner lining hose is always in contact with the inner wall of the pipe.

[0075] In one embodiment, such as Figure 1 , Figure 2 and Figure 4 As shown, at least one set of walking wheels 302 is installed on any of the first arc-shaped connectors 301.

[0076] When there is only one walking wheel set 302, the walking wheel set 302 is installed on the free end 3012 of the first arc-shaped connector 301.

[0077] Of course, when there are two or more walking wheel sets 302, one of the walking wheel sets 302 is installed at the free end 3012 of the first arc-shaped connector 301, and at least one walking wheel set 302 is installed between the connecting end 3011 and the free end 3012.

[0078] This configuration makes the unfolding process of the first arc-shaped connector 301 more stable, and after being fully unfolded, the walking wheel set 302 located at the free end 3012 is used by the lamp holder to move in the drainage pipe.

[0079] In one embodiment, such as Figure 1 As shown, there are multiple support structures 3, which are arranged in a circular array around the central axis of the mounting frame 1.

[0080] With this configuration, the circumferentially arrayed support structures 3 provide uniform radial support force to the inner lining hose during expansion. Each support structure 3 acts synchronously on different positions of the hose through wheel sets, avoiding hose wrinkling or skewing due to insufficient local support, and ensuring that the inner lining hose can form a regular cylindrical structure.

[0081] It can be explained that, for example Figure 5 As shown, the free end 3012 is in a retracted state.

[0082] This illustration demonstrates how the UV curing repair lamp holder for drainage pipes adapts to the needs of drainage pipes of different sizes.

[0083] For example, such as Figures 6 to 8 As shown, the driving disk 2 rotates at angles of α1, α2 and α3, and the diameters of the arcs formed by the outermost walking wheel sets 302 in the multiple support structures 3 are φ1, φ2 and φ3, respectively.

[0084] It can be explained that when the drive disc 2 rotates at different angles, the walking wheel assembly 302 rises to different heights. Before curing and repair, the corresponding rotation angle can be selected according to the pipe diameter requirements on site, and the motor controls the walking wheel assembly 302 to rise to the corresponding height. After the curing and repair is completed, the motor controls the drive disc 2 to rotate in the opposite direction at the corresponding angle until the walking wheel assembly 302 returns to its initial state, thus completing the recycling of the support structure 3.

[0085] In one embodiment, such as Figure 1 As shown, the mounting frame 1 includes a mounting base 101 for mounting a UV curing light source. Multiple mounting bases 101 are provided and arranged in a circular array.

[0086] With this configuration, by setting up mounting bases 101 arranged in a circular array, during the repair of drainage pipes, the light source of each mounting base 101 can synchronously emit ultraviolet light of a specific wavelength to different positions of the inner lining hose, ensuring that the photosensitive resin material is heated evenly during the curing process, avoiding incomplete curing of the inner lining hose due to insufficient local light, or material deformation or cracking caused by uneven thermal expansion of the inner lining hose due to local overheating.

[0087] In the above embodiment, after the inner lining hose is cured, the drive disc 2 rotates counterclockwise. The first connecting rod 303 drives the end of the second connecting rod 304 used to install the second rotating shaft 305 to rotate counterclockwise, thereby driving the end of the second connecting rod 304 used to install the third rotating shaft 306 to gradually approach its retracted installation position. Through the setting of the gear mounting bracket 404, the first rotating shaft 403 will gradually approach the outer wall of the mounting frame 1 and will also drive the first rotating shaft 403 to rotate clockwise, completing the gradual retraction of the free end 3012 of the first arc-shaped connector 301. During this process, the walking wheel set 302 will gradually move to its retracted installation position.

[0088] It can be explained that as the support structure 3 gradually unfolds, the lower walking wheel set 302 supports the entire lamp holder until the upper walking wheel set 302 abuts against the inner wall of the drainage pipe. During this period, the central axis of the mounting frame 1 will gradually approach the central axis of the drainage pipe until it is collinear with the central axis of the drainage pipe.

[0089] Although embodiments of the invention have been described in conjunction with the accompanying drawings, those skilled in the art can make various modifications and variations without departing from the spirit and scope of the invention, and such modifications and variations all fall within the scope defined by the appended claims.

Claims

1. A UV-curing repair lamp holder for drainage pipes, characterized in that, It includes a mounting frame (1), a drive disk (2), and a support structure (3). The mounting frame (1) is cylindrical and is used to fix the drive disk (2) and the support structure (3); The drive disk (2) is mounted on one end face of the mounting frame (1) along its central axis. The drive disk (2) is used to connect to the power output end of the drive component. The drive disk (2) rotates under the action of the power output end of the drive component. The support structure (3) includes a first arc-shaped connector (301) and a set of walking wheels (302). One end of the first arc-shaped connector (301) is a connecting end (3011). A gear transmission structure (4) is installed on the connecting end (3011). The gear transmission structure (4) is connected to the drive disk (2). The other end of the first arc-shaped connector (301) is a free end (3012). The set of walking wheels (302) is installed on the first arc-shaped connector (301). The set of walking wheels (302) is arranged away from the connecting end (3011). The set of walking wheels (302) is used to support the lamp holder to walk inside the inner lining hose. The support structure (3) has a retracted state, a raised state, and a transition state from one of the retracted state to the other. When the support structure (3) is in the retracted state, the free end (3012) is arranged close to the outer wall of the mounting frame (1). When the support structure (3) is in the raised state, the walking wheel set (302) is close to the inner wall of the inner lining hose. When the inner lining hose is pressurized by air and close to the inner wall of the drainage pipe, the lamp holder is driven to walk in the inner lining hose. When the support structure (3) is in the transition state, the free end (3012) rotates around the connecting end (3011) and moves close to or away from the inner wall of the drainage pipe.

2. The UV curing repair lamp holder for drainage pipes according to claim 1, characterized in that, The gear transmission structure (4) includes a first transmission gear (401), a second transmission gear (402), and a first rotating shaft (403). The first transmission gear (401) and the second transmission gear (402) mesh. The first transmission gear (401) is connected to the drive disk (2) for transmission. The second transmission gear (402) is installed on the connecting end (3011) of the first arc-shaped connector (301) through the first rotating shaft (403) for driving the connecting end (3011) to rotate through the first rotating shaft (403).

3. The UV curing repair lamp holder for drainage pipes according to claim 2, characterized in that, The supporting structure (3) also includes: The first link (303) has one end connected to the drive disk (2); The second link (304) has one end rotatably connected to the other end of the first link (303) via a second pivot (305), and the other end of the second link (304) is rotatably connected to the first transmission gear (401) via a third pivot (306).

4. The UV curing repair lamp holder for drainage pipes according to claim 2, characterized in that, The supporting structure (3) also includes: Support (307), installed on mounting frame (1); The second arc-shaped connector (308) has one end mounted on the first rotating shaft (403), and the other end of the second arc-shaped connector (308) is rotatably mounted on the support (307) via the fourth rotating shaft (309). The second arc-shaped connector (308) and the first arc-shaped connector (301) are axially spaced along the central axis of the mounting frame (1).

5. The UV curing repair lamp holder for drainage pipes according to any one of claims 2-4, characterized in that, The number of teeth of the first transmission gear (401) is greater than the number of teeth of the second transmission gear (402).

6. The UV curing repair lamp holder for drainage pipes according to any one of claims 1-4, characterized in that, The supporting structure (3) also includes: An elastic reset member (310) is provided, wherein the two ends of the elastic reset member (310) along its elastic deformation direction are respectively connected to the first arc-shaped connector (301) and the walking wheel assembly (302).

7. The UV curing repair lamp holder for drainage pipes according to claim 6, characterized in that, The walking wheel set (302) includes: Support wheels (3021) are provided in two, spaced apart; The fifth rotating shaft (3022) is mounted at its two ends along its axial direction at the rotation centers of the two support wheels (3021); The elastic reset member (310) is connected to the first arc-shaped connector (301) and the fifth rotating shaft (3022) at its two ends along its elastic deformation direction, respectively.

8. The UV curing repair lamp holder for drainage pipes according to any one of claims 1-4, characterized in that, Each of the first arc-shaped connectors (301) is equipped with at least one of the walking wheel sets (302), wherein one of the walking wheel sets (302) is mounted on the free end (3012) of the first arc-shaped connector (301).

9. The UV curing repair lamp holder for drainage pipes according to any one of claims 1-4, characterized in that, The support structure (3) is provided in multiple ways, and the multiple support structures (3) are arranged in a circular array around the central axis of the mounting frame (1).

10. The UV curing repair lamp holder for drainage pipes according to any one of claims 1-4, characterized in that, The mounting frame (1) includes a mounting base (101) for mounting an ultraviolet curing light source. Multiple mounting bases (101) are provided and arranged in a circular array.