Pipeline robot inspection channel structure
By designing a pipeline robot inspection channel structure and utilizing rotation adjustment and electric extension, the problems of difficult initial placement and inconvenient operation of pipeline robot channels in existing technologies have been solved, realizing automated path adjustment and efficient inspection.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG HONGYAN TESTING TECH CO LTD
- Filing Date
- 2025-09-17
- Publication Date
- 2026-07-14
Smart Images

Figure CN224497931U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pipeline robot maintenance technology, specifically to the pipeline robot inspection channel structure. Background Technology
[0002] During pipeline inspection, the pipeline robot detects any non-conforming areas by taking pictures of the inside of the pipeline using a camera on the robot. The images are then analyzed to pinpoint the non-conforming areas and then repair them.
[0003] The existing patent, CN222047025U, describes a method for pipeline robot inspection where the length and width of a sliding plate are adjusted via a mechanism to accommodate inspection wells of different sizes. This facilitates the robot's passage through the wells, reducing the need for manual pulling and improving the efficiency of pipeline inspection and maintenance. The technical solution employs a four-directional stretching operation to connect pipelines at different locations within the inspection well, providing a smooth and fast passage for the inspection robot. While effective, the four-directional stretching requires prior knowledge of the number and relative distribution of channels before initial placement within the well. Positioning the channel structure at the appropriate angle ensures connection to the corresponding pipelines during stretching, increasing initial placement difficulty. Furthermore, for a large number of pipelines, rotation is required during operation. However, the channel structure, located inside the inspection well, is difficult for personnel outside to operate effectively and conveniently.
[0004] Therefore, in view of the above problems, this technical solution designs a pipeline robot inspection channel structure. Utility Model Content
[0005] The purpose of this invention is to provide a pipeline robot inspection channel structure to solve the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution:
[0007] The pipeline robot inspection channel structure is located at the bottom of the inspection well, which is circumferentially connected to at least two pipelines. The pipeline robot inspection channel structure provides a stable movement path for the pipeline robot. The pipeline robot inspection channel structure includes an inner channel plate and an extended outer channel plate. There are two extended outer channel plates, which are movably mounted at both ends of the inner channel plate. The bottom of the inner channel plate is connected to a rotating component to adjust the placement angle of the inner channel plate. That is, according to the pipeline robot's pipeline inspection path requirements, the position of the extended outer channel plates at both ends of the inner channel plate is adjusted to provide a stable transfer platform for the pipeline robot. U-shaped mounting frames are installed upward on both sides of the inner channel plate. A handheld telescopic rod is detachably connected to the top of the U-shaped mounting frame. The top of the handheld telescopic rod extends to the outside of the inspection well, providing convenience for construction personnel to operate the entire channel structure.
[0008] Electric drive components are installed between the inner side of the outer plate of the extension channel and the end of the inner plate of the channel to adjust the extension position of the outer plate of the extension channel relative to the inner plate of the channel, and to control the extension of the outer plate of the extension channel to extend its end to the pipe port to be inspected by the pipeline robot according to the requirements of different inspection well diameters.
[0009] Specifically, a movable inclined plate is provided at the end of the outer plate of the extension channel. The movable inclined plate is used for smooth connection between the pipe port and the top of the outer plate of the extension channel, providing a smooth movement path for the pipe robot. Sliding strips are symmetrically installed on both sides of the top of the inner plate of the extension channel. Sliding grooves are opened on the top wall of the inner plate of the channel corresponding to the sliding strips. The sliding strips move along the inside of the sliding grooves. The inner bottom wall of the outer plate of the extension channel and the inner bottom wall of the inner plate of the channel slide in contact, thus ensuring the stable extension between the outer plate of the extension channel and the inner plate of the channel.
[0010] An arc-shaped connecting surface is provided at the upper end of the outer plate of the extension channel near the middle of the inner plate of the channel. The arc-shaped connecting surface is designed to control the arc-shaped connection between the upper surface of the outer plate of the extension channel and the upper surface of the inner plate of the channel, that is, to keep the pipeline robot stable when moving between the upper surface of the outer plate of the extension channel and the upper surface of the inner plate of the channel.
[0011] Compared with the prior art, the beneficial effects of this utility model are: the channel can be quickly oriented by rotation adjustment, eliminating the need for manual downhole angle adjustment and solving the problem of multi-angle pipeline connection;
[0012] By extending the length through electric control, it can adapt to different pipe diameter requirements and improve structural versatility;
[0013] The design of a handheld telescopic rod and threaded disassembly enables full-process operation outside the well, reducing safety risks;
[0014] Modular electromechanical drives reduce manual intervention and significantly improve inspection efficiency. Attached Figure Description
[0015] Figure 1This is a schematic diagram of the distribution structure of inspection wells and pipelines.
[0016] Figure 2 This is a three-dimensional structural diagram of the pipeline robot inspection channel.
[0017] Figure 3 This is a front view schematic diagram of the pipeline robot inspection channel structure.
[0018] Figure 4 for Figure 2 A magnified structural diagram of A in the middle.
[0019] The components include: inspection well 10, pipe 11, extension channel outer plate 12, movable inclined plate 13, U-shaped mounting bracket 14, handheld telescopic rod 15, handle 16, screw 17, internal threaded hole block 18, slide bar 19, slide groove 20, support base 21, servo motor 22, rotating shaft 23, cylinder 24, piston rod 25, fixing plate 26, arc-shaped connecting surface 27, and channel inner plate 28. Detailed Implementation
[0020] It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.
[0021] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model 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 utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.
[0022] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" 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 of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0023] The present invention will now be described in detail with reference to the accompanying drawings and embodiments.
[0024] Please see Figures 1-3 The pipeline robot inspection channel structure is located at the bottom of the inspection well 10. The inspection well 10 is circumferentially connected to at least two pipelines 11. The pipeline robot inspection channel structure provides a stable movement path for the pipeline robot. The pipeline robot inspection channel structure includes an inner channel plate 28 and an extended outer channel plate 12. There are two extended outer channel plates 12, which are respectively movably set at both ends of the inner channel plate 28. The bottom of the inner channel plate 28 is connected to a rotating component to adjust the placement angle of the inner channel plate 28. That is, according to the pipeline robot's inspection path requirements for the pipeline 11, the position of the extended outer channel plates 12 at both ends of the inner channel plate 28 on the pipeline 11 is adjusted to provide a stable transfer platform for the pipeline robot. U-shaped mounting brackets 14 are installed upward on both sides of the inner channel plate 28. A handheld telescopic rod 15 is detachably connected to the top of the U-shaped mounting bracket 14. The top of the handheld telescopic rod 15 extends to the outside of the inspection well 10, providing convenience for construction personnel to operate the entire channel structure (mainly to control the transfer of the channel structure inside and outside the inspection well 10).
[0025] Electric drive components are provided between the inner side of the outer plate 12 of the extension channel and the end of the inner plate 28 of the channel, which are used to adjust the extension position of the outer plate 12 of the extension channel relative to the inner plate 28 of the channel, and control the outer plate 12 of the extension channel to extend its end to the port of the pipeline 11 to be inspected by the pipeline robot according to the requirements of different inspection well diameters 10.
[0026] Specifically, a movable inclined plate 13 is provided at the end of the outer plate 12 of the extension channel. That is, the end of the outer plate 12 of the extension channel is provided with an inclined movable inclined plate 13. The movable inclined plate 13 is used for smooth connection between the port of the pipe 11 and the top of the outer plate 12 of the extension channel, providing a smooth movement path for the movement of the pipe robot. Sliding strips 19 are symmetrically installed on both sides of the top of the inner plate 12 of the extension channel. A sliding groove 20 is opened on the top wall of the inner plate 28 of the channel corresponding to the sliding strip 19. The sliding strip 19 moves along the inside of the sliding groove 20. The bottom wall of the inner plate 12 of the extension channel and the bottom wall of the inner plate 28 of the channel slide in contact, thus ensuring the stable extension between the outer plate 12 of the extension channel and the inner plate 28 of the channel.
[0027] See Figure 4 An arc-shaped connecting surface 27 is provided at the upper end of the outer plate 12 of the extension channel near the middle of the inner plate 28. The arc-shaped connecting surface 27 is designed to control the arc connection between the outer plate 12 of the extension channel and the upper surface of the inner plate 28 of the channel. That is, the pipeline robot remains stable when it moves between the outer plate 12 of the extension channel and the upper surface of the inner plate 28 of the channel. In other words, the arc-shaped connecting surface 27 is provided at the connection point of the outer plate 12 of the extension channel near the inner plate 28 of the channel. The curvature of the arc-shaped connecting surface 27 is adapted to the movement trajectory of the pipeline robot.
[0028] In this embodiment of the utility model, the rotating component includes a rotating shaft 23 connected to the bottom center of the inner channel plate 28. A servo motor 22 is connected to the bottom of the rotating shaft 23. The servo motor 22 is disposed inside the support base 21. The bottom of the support base 21 contacts the bottom of the inspection well 10. By starting the servo motor 22, the rotating shaft 23 is controlled to drive the inner channel plate 28 to rotate, thereby adjusting the swing direction of the outer channel plates 12 at both ends, and realizing the automatic adjustment path of the pipes 11 at different positions.
[0029] The electric drive unit includes a cylinder slot that is laterally distributed inside the inner plate 28 of the channel. A cylinder 24 is installed inside the cylinder slot. A piston rod 25 is connected to the output end of the cylinder 24. A fixing plate 26 fixed inside the outer plate 12 of the extension channel is connected to the end of the piston rod 25. That is, by starting the cylinder 24, the extension length of the outer plate 12 of the extension channel is automatically adjusted under the connection of the piston rod 25 and the fixing plate 26.
[0030] That is, the electric drive unit includes a cylinder 24 opened inside the inner plate 28 of the channel, a piston rod 25 connected to the output end of the cylinder 24, and a fixing plate 26 fixed to the inner wall of the outer plate 12 of the extension channel, wherein the end of the piston rod 25 is rigidly connected to the fixing plate 26.
[0031] In one embodiment of this utility model, the bottom of the support base 21 is provided with a corrugated structure to increase the placement stability between it and the inspection well 10. At the same time, the support base 21 is made of a high-density metal material to increase the weight of the support base 21, so that it can stably support the upper channel inner plate 28, the extension channel outer plate 12 and the passing pipeline robot.
[0032] Among them, metal materials with higher density are usually made of cast iron, steel and other materials, which have corrosion resistance and a long service life.
[0033] In a preferred embodiment of this utility model, a screw 17 is installed at the bottom end of the handheld telescopic rod 15, and an internal threaded hole block 18 is installed at the top center of the U-shaped mounting bracket 14 corresponding to the bottom of the screw 17. The screw 17 and the internal threaded hole block 18 are threadedly connected to realize the detachment and connection between the handheld telescopic rod 15 and the U-shaped mounting bracket 14. At the same time, a handle 16 is installed at the top end of the handheld telescopic rod 15, and the handle 16 facilitates the rotation of the handheld telescopic rod 15 to control the threaded connection between the screw 17 and the internal threaded hole block 18.
[0034] The handheld telescopic rod 15 typically employs a square or rectangular tube telescopic structure. Specifically, the handheld telescopic rod 15 is a square tube telescopic structure composed of multiple overlapping square tubes. The inner tube slides within the square cavity of the outer tube. Due to the square (or rectangular) cross-section, relative rotation between the inner and outer tubes is impossible; only linear movement is possible. Furthermore, a friction-type locking mechanism is used between the inner and outer tubes. This involves drilling and tapping a hole in the outermost tube wall and screwing in a screw. When the telescopic rod is adjusted to the desired length, tightening the screw causes its front end to directly press against the inner tube, securing it through significant friction.
[0035] The above is just one type of telescopic positioning method. For specific selection and design, please refer to the existing related telescopic rod structures. It will not be elaborated on or limited here.
[0036] It should be noted that when the pipeline robot moves on the outer plate 12 and the inner plate 28 of the extension channel, it moves through the inside of the U-shaped mounting frame 14. Therefore, the size of the channel inside the U-shaped mounting frame 14 is set according to the actual pipeline robot to be passed through. At the same time, the movement, control and inspection of the pipeline robot are determined with reference to the existing pipeline robot inspection requirements, which will not be elaborated here.
[0037] The working principle of this utility model is as follows: In the idle position of this device, all the above-mentioned driving components, which refer to power elements, electrical components and compatible power supplies, are connected by wires. The electrical components are connected in sequence. The detailed connection method is a well-known technology in the field. The following mainly introduces the working principle and process, without describing the electrical control. The support base 21 is placed at the bottom of the inspection well 10. The whole structure is lowered into the well by hand telescopic rod 15. The operator rotates the handle 16 outside the well. The hand telescopic rod 15 is fixed by the threaded connection between the screw 17 and the inner threaded hole block 18. The servo motor 22 is started to drive the rotating shaft 23, which drives the inner plate 28 of the channel to rotate, so that the outer plates 12 of the extended channel at both ends are aligned with the target pipe 11. The cylinder 24 is started to push the piston rod 25, which drives the outer plate 12 of the extended channel to extend outward along the slide bar 19 and the slide groove 20 through the fixing plate 26.
[0038] The movable inclined plate 13 at the end of the extended channel outer plate 12 abuts against the pipe port, and the arc-shaped connecting surface 27 ensures a smooth transition between the inner plate 28 of the channel and the top surface of the extended channel outer plate 12. The pipeline robot moves along the continuous path formed by the extended channel outer plate 12, the arc-shaped connecting surface 27, and the inner plate 28 of the channel to achieve cross-pipeline inspection.
[0039] It should be understood that in this application, all rotating, sliding, meshing, belt-driven and other moving parts are well lubricated and not prone to slippage or wear, and each part is provided with a corresponding protective shell. However, in the accompanying drawings of this application, the connection state of each moving part is not shown. It should also be understood that all parts in this application are made of metal or plastic materials with suitable strength in the relevant field to ensure that their structural rigidity meets the actual requirements.
[0040] The preferred embodiments of the present invention have been described in detail above. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.
Claims
1. A pipeline robot inspection channel structure, characterized in that, Includes an inner channel plate (28), an extended outer channel plate (12) symmetrically arranged at both ends of the inner channel plate (28), a rotating component connected to the bottom of the inner channel plate (28), an electric drive component for driving the extension and retraction of the extended outer channel plate (12), and a U-shaped mounting bracket (14) installed on both sides of the inner channel plate (28). The top of the U-shaped mounting bracket (14) is detachably connected to a handheld telescopic rod (15) that extends to the outside of the inspection well (10).
2. The pipeline robot inspection channel structure according to claim 1, characterized in that, The rotating component includes a rotating shaft (23) fixed to the bottom center of the inner plate (28) of the channel, a servo motor (22) that drives the rotating shaft (23), and a support base (21) that carries the servo motor (22). The bottom of the support base (21) is provided with a corrugated anti-slip structure and is in contact with the bottom surface of the inspection well (10).
3. The pipeline robot inspection channel structure according to claim 1, characterized in that, The electric drive unit includes a cylinder (24) opened inside the inner plate (28) of the channel, a piston rod (25) connected to the output end of the cylinder (24), and a fixing plate (26) fixed to the inner wall of the outer plate (12) of the extension channel. The end of the piston rod (25) is rigidly connected to the fixing plate (26).
4. The pipeline robot inspection channel structure according to claim 1, characterized in that, The outer plate (12) of the extension channel is provided with symmetrical sliding strips (19) on both sides of the inner top wall, and a suitable sliding groove (20) is provided on the top wall of the inner plate (28) of the corresponding channel. The sliding strips (19) move horizontally along the sliding groove (20), and an inclined moving plate (13) is provided at the end of the outer plate (12) of the extension channel.
5. The pipeline robot inspection channel structure according to claim 1, characterized in that, The bottom end of the handheld telescopic rod (15) is fixed with a screw (17), and the top of the U-shaped mounting bracket (14) is provided with an inner threaded hole block (18). The screw (17) is threadedly connected to the inner threaded hole block (18); the top end of the handheld telescopic rod (15) is provided with a handle (16).
6. The pipeline robot inspection channel structure according to claim 1, characterized in that, The outer plate (12) of the extended channel is provided with an arc-shaped connecting surface (27) near the inner plate (28) of the channel. The curvature of the arc-shaped connecting surface (27) is adapted to the movement trajectory of the pipeline robot.
7. The pipeline robot inspection channel structure according to claim 2, characterized in that: The support base (21) is made of cast iron or steel.
8. The pipeline robot inspection channel structure according to claim 1, characterized in that: The handheld telescopic rod (15) is a square tube telescopic structure.