Special equipment pressure pipeline quality detection device
By combining a friction wheel and a transmission system in the detection device, automatic cleaning and detection of the inner wall of the pipeline is achieved, solving the problem of missed detection caused by real defects covered by inner wall sediments, and improving the accuracy and efficiency of detection.
Patent Information
- Application Number
- CN202511052841.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-07-30
- Publication Date
- 2025-10-17
AI Technical Summary
During the inspection process of existing devices, the sediments and corrosion products on the inner wall of the pipeline cover the real defects, making it difficult for endoscopes and eddy current detection to directly observe the true state of the inner wall, and easily leading to missed inspections.
A quality inspection device for pressure pipelines of special equipment was designed. The device adopts a combination structure of a camera and an eddy current detector combined with a friction wheel, a transmission mechanism and a cleaning wheel. The friction wheel drives the transmission system to rotate the cleaning wheel to clean the inner wall of the pipeline. At the same time, the camera and eddy current detector detect the condition of the inner wall.
It achieves efficient cleaning and inspection of the inner wall of the pipeline, avoids missed inspections, and ensures the accuracy and completeness of the inspection. It is suitable for pipeline manufacturing, installation and in-service inspection in the fields of petrochemical, electric power, gas, etc.
Smart Images

Figure CN120799347A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of pressure pipeline quality detection, and particularly relates to a special equipment pressure pipeline quality detection device. BACKGROUND
[0002] The special equipment pressure pipeline quality detection device is a core device for ensuring safe operation of industrial pipelines, and precisely evaluates the quality of the pipelines in the whole life cycle by integrating advanced detection technologies, so that the device can implement nondestructive detection on key parameters such as pipeline material performance, welding quality, corrosion defects and stress distribution, and realizes automatic identification of defects and risk grading early warning by combining intelligent algorithms, is suitable for fields such as petroleum and chemical industry, electric power and gas, covers pipeline manufacturing, installation and in-service detection, effectively prevents safety accidents such as leakage and explosion, the device meets the national special equipment safety technical specifications, has the characteristics of high precision, portability and multi-scene adaptation, can significantly improve the pipeline quality control efficiency, provides scientific data support for special equipment safety supervision, and helps enterprises to implement the safety production main responsibility.
[0003] In the actual use process of the existing device, the deposits and corrosion products on the inner wall of the pipeline can cover the real defects, so that the endoscope and the eddy current detection cannot directly observe the real state of the inner wall, and thus the missing detection phenomenon is easily caused, therefore, the special equipment pressure pipeline quality detection device is provided. SUMMARY
[0004] The present application relates to the technical field of pressure pipeline quality detection, and particularly relates to a special equipment pressure pipeline quality detection device.
[0005] In order to achieve the above-mentioned purpose, the technical scheme adopted by the present application is as follows:
[0006] The utility model provides a kind of special equipment pressure pipeline quality detection device, including detection table, the upper portion of the detection table is provided with cylinder, the output end of the cylinder is provided with detection rod, the upper portion of the detection rod is provided with camera and eddy current detector, the upper portion of the detection rod is rotatably connected with friction wheel, the first transmission wheel is fixedly connected to the friction wheel, the first transmission wheel is drivingly connected with first transmission belt, the second transmission wheel is drivingly connected with second transmission belt, the second transmission wheel is fixedly connected with second worm, the second worm is threadedly connected with second worm wheel, the second worm wheel is fixedly connected with rotating rod, the rotating rod is rotatably connected between the detection rod, the upper portion of the eddy current detector is fixedly connected with second gear, the second gear is meshingly connected with third gear, the third gear is fixedly connected with third transmission wheel, the third transmission wheel is drivingly connected with second transmission belt, the fourth transmission wheel is drivingly connected with second transmission belt, the fourth transmission wheel is rotatably connected with rotating plate, the rotating plate is fixedly connected between the rotating rod, and the fourth transmission wheel is fixedly connected with cleaning wheel;
[0007] The detection rod is provided with a camera and an eddy current detector. When the detection rod moves in the pipeline, the friction wheel rotates along the inner wall of the pipeline. The rotation of the friction wheel drives the second worm wheel to rotate, and the rotation of the second worm wheel drives the rotating rod to rotate. The rotating rod drives the fixedly connected rotating plate to rotate, and the rotating plate drives the cleaning wheel to rotate along the inner wall of the pipeline. The rotating rod rotates along the meshed second gear, and the third gear rotates to drive the cleaning wheel to rotate. The rotating cleaning wheel rotates and cleans the inner wall of the pipeline to avoid missed detection. The camera has four cameras arranged at four positions of the detection rod.
[0008] The above technical solution further includes:
[0009] The detection table is fixedly connected with a transmission mechanism on both sides. The transmission mechanism drives the moving table to move. The moving table is slidingly connected with the detection table.
[0010] The transmission mechanism includes a transmission housing fixedly connected to the detection table on both sides. The transmission housing is internally provided with a first motor. The output end of the first motor is provided with a transmission assembly.
[0011] The transmission assembly includes a threaded rod provided at the output end of the first motor. The threaded rod is threadedly connected with a transmission member. The transmission member is fixedly connected with the moving table. The transmission housing is internally provided with a sliding groove. The transmission member is slidingly connected inside the sliding groove.
[0012] The upper portion of the moving table is fixedly connected with a support groove. The upper portion of the support groove is provided with a pulley. The pulley has three pulleys. When the pipeline moves above the pulleys, the pulleys can scrape off the stains on the outer wall of the pipeline.
[0013] The support groove is provided with a fixing mechanism on both sides, and the fixing mechanism is provided with a movable fixing plate on the upper part.
[0014] The fixing mechanism comprises a fixing shell fixedly connected on both sides of the support groove, and a second motor is arranged on one side of the fixing shell.
[0015] The fixing assembly comprises a first worm arranged on the output end of the second motor, the first worm is in meshing connection with a first worm wheel, the first worm wheel is fixedly connected with a third motor, the third motor is in meshing connection with a transmission rack, the transmission rack is in sliding connection with a limiting sliding groove, the limiting sliding groove is fixedly connected in the fixing shell, and the movable fixing plate is fixedly connected on the upper part of the transmission rack.
[0016] The movable fixing plate is fixedly connected with a scraper on the lower part, the movable fixing plate is provided with a detection ring on the front end, and the detection ring is fixedly connected with the moving table.
[0017] The present application has the following advantages:
[0018] 1、In the present application, after the pipeline is fixed, the detection rod can be moved by the air cylinder, so as to move in the pipeline, and the camera and the eddy current detector can detect the corrosion and cracks of the inner wall during the movement of the detection rod. The friction wheel rotates along the inner wall of the pipeline under the friction during the movement of the detection rod. The rotation of the friction wheel can drive the second worm gear to rotate, and the rotation of the second worm gear can drive the rotating rod to rotate. The rotation of the rotating rod drives the rotating plate to rotate. The rotating plate rotates to drive the cleaning wheel to rotate along the inner wall of the pipeline. At the same time, the rotating plate can drive the third gear to rotate along the meshing second gear, and the rotation of the third gear can drive the cleaning wheel to rotate, so that the cleaning wheel rotates along the inner wall of the pipeline while rotating, thereby effectively cleaning the inner wall of the pipeline. The camera and the eddy current detector can intuitively observe the inner wall, and the cleaning wheel can automatically clean during the movement of the detection rod, which is convenient and efficient.
[0019] 2、In the present application, when the device is used, the moving table can be moved by the transmission mechanism first, so as to adjust according to the length of the pipeline. The movable fixing plate can be moved up and down by the fixing mechanism, so as to adjust according to the size of the pipeline, and the pipeline can be fixed conveniently. When the pipeline moves along the movable fixing plate, the pulley can also scrape the stains on the lower side of the outer wall of the pipeline, and the scraper arranged on the lower part of the movable fixing plate can clean the upper side of the outer wall of the pipeline, so as to facilitate the detection of the outer wall of the pipeline by the detection ring. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The present application provides a structure diagram of a special equipment pressure pipeline quality detection device;
[0021] Figure 2 For the internal structure of the transmission housing in the present application is a schematic diagram;
[0022] Figure 3 For the structure of the fixing mechanism in the present application is a schematic diagram;
[0023] Figure 4 For the internal structure of the fixed housing in the present application is a schematic diagram;
[0024] Figure 5 For the connection relationship of the friction wheel in the present application is a schematic diagram;
[0025] Figure 6 For the connection relationship of the rotating rod in the present application is a schematic diagram.
[0026] In the figure: 1, detection platform; 2, cylinder; 3, transmission housing; 4, detection ring; 5, movable fixed plate; 6, moving platform; 7, detection rod; 8, first motor; 9, threaded rod; 10, transmission part; 11, support groove; 12, pulley; 13, scraper; 14, fixed housing; 15, second motor; 16, first worm; 17, first worm wheel; 18, third motor; 19, transmission rack; 20, limit sliding groove; 21, camera; 22, eddy current detector; 23, friction wheel; 24, first transmission wheel; 25, first transmission belt; 26, second transmission wheel; 27, second worm; 28, second worm wheel; 29, cleaning wheel; 30, third transmission wheel; 31, second transmission belt; 32, fourth transmission wheel; 33, second gear; 34, rotating plate; 35, rotating rod; 36, third gear. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work are within the scope of protection of the present application.
[0028] Embodiment one
[0029] As Figures 1-6As shown, a kind of special equipment pressure pipeline quality detection device, including detection platform 1, detection platform 1 upper portion is provided with cylinder 2, cylinder 2 output is provided with detection rod 7, detection rod 7 upper portion is provided with camera 21 and eddy current detector 22, detection rod 7 upper portion is rotatably connected with friction wheel 23, friction wheel 23 is fixedly connected with first transmission wheel 24, first transmission wheel 24 is drivingly connected with first transmission belt 25, first transmission belt 25 is drivingly connected with second transmission wheel 26, second transmission wheel 26 is fixedly connected with second worm 27, second worm 27 is threadedly connected with second worm wheel 28, second worm wheel 28 is fixedly connected with rotating rod 35, rotating rod 35 is rotatably connected between detection rod 7, eddy current detector 22 upper portion is fixedly connected with second gear 33, second gear 33 is meshingly connected with third gear 36, third gear 36 is fixedly connected with third transmission wheel 30, third transmission wheel 30 is drivingly connected with second transmission belt 31, second transmission belt 31 is drivingly connected with fourth transmission wheel 32, fourth transmission wheel 32 is rotatably connected with rotating plate 34, rotating plate 34 is fixedly connected between rotating rod 35, fourth transmission wheel 32 is fixedly connected with cleaning wheel 29;
[0030] Detection rod 7 is provided with camera 21 and eddy current detector 22, when detection rod 7 moves in pipeline, friction wheel 23 rotates along the inner wall of pipeline, friction wheel 23 rotation drives second worm wheel 28 to rotate, and second worm wheel 28 rotation drives rotating rod 35 to rotate, rotating rod 35 rotation drives fixedly connected rotating plate 34 to rotate, and rotating plate 34 rotation drives cleaning wheel 29 to rotate along the inner wall of pipeline, and rotating rod 35 rotation drives third gear 36 to rotate along meshingly connected second gear 33, and third gear 36 rotation drives cleaning wheel 29 to rotate, by driving cleaning wheel 29 to rotate while rotating, the inner wall of pipeline is cleaned, to avoid missing detection, and camera 21 is four, and is arranged in four directions of detection rod 7.
[0031] In the embodiment, after pipeline is fixed, detection rod 7 can be moved by cylinder 2, so as to move in pipeline, and camera 21 and eddy current detector 22 can detect corrosion and crack in inner wall during the movement of detection rod 7, and friction wheel 23 rotatably connected on the upper portion of detection rod 7 rotates along the inner wall of pipeline under the action of friction, and the rotation of friction wheel 23 can drive first transmission wheel 24 fixedly connected to rotate, and the rotation of first transmission wheel 24 drives second transmission wheel 26 drivingly connected by first transmission belt 25 to rotate, and the rotation of second transmission wheel 26 drives second worm 27 fixedly connected to rotate, and the rotation of second worm 27 drives meshingly connected second worm wheel 28 to rotate, and the rotation of second worm wheel 28 drives rotating rod 35 to rotate.
[0032] The rotation of the rotating rod 35 drives the fixedly connected rotating plate 34 to rotate, and the rotation of the rotating plate 34 drives the cleaning wheel 29 to rotate along the inner wall of the pipe. While the rotating plate 34 rotates, the third gear 36 can be driven to rotate along the meshed second gear 33. The rotation of the third gear 36 drives the third transmission wheel 30 to rotate. The rotation of the third transmission wheel 30 drives the fourth transmission wheel 32 connected via the second transmission belt 31 to rotate. The rotation of the fourth transmission wheel 32 can drive the fixedly connected cleaning wheel 29 to rotate, so that the cleaning wheel 29 rotates along the inner wall of the pipe and rotates at the same time, thereby effectively cleaning the inner wall of the pipe, so that the camera 21 and the eddy current detector 22 can intuitively observe the inner wall condition. Moreover, the cleaning wheel 29 can automatically clean during the movement of the detection rod 7, which is convenient and efficient.
[0033] Example 2
[0034] like Figures 1-6 As shown, a transmission mechanism is fixedly connected on both sides of the detection platform 1, and the transmission mechanism drives the mobile platform 6 to move. The mobile platform 6 is slidably connected to the detection platform 1. The transmission mechanism includes a transmission housing 3 fixedly connected on both sides of the detection platform 1, and a first motor 8 is arranged inside the transmission housing 3. A transmission assembly is arranged at the output end of the first motor 8. The transmission assembly includes a threaded rod 9 arranged at the output end of the first motor 8, and the threaded rod 9 is threadedly connected to a transmission member 10. The transmission member 10 is fixedly connected to the mobile platform 6, and a slide groove is arranged inside the transmission housing 3. The transmission member 10 is slidably connected inside the slide groove.
[0035] The upper part of the movable platform 6 is fixedly connected to the support groove 11, and the upper part of the support groove 11 is provided with a pulley 12. There are three pulleys 12. When the pipeline moves on the upper part of the pulley 12, the pulley 12 can scrape the stains on the outer wall of the pipeline. A fixing mechanism is provided on both sides of the support groove 11. A movable fixing plate 5 is provided on the upper part of the fixing mechanism. The fixing mechanism includes a fixed shell 14 fixedly connected to both sides of the support groove 11. A second motor 15 is provided on one side of the fixed shell 14. A fixing component is provided at the output end of the second motor 15. The fixing component includes an output of the second motor 15. A first worm 16 is provided at the output end, and the first worm 16 is meshedly connected to the first worm wheel 17, and the first worm wheel 17 is fixedly connected to the third motor 18, and the third motor 18 is meshedly connected to the transmission rack 19, and the transmission rack 19 is slidably connected to the limiting slide 20, and the limiting slide 20 is fixedly connected to the inside of the fixed shell 14, and the upper part of the transmission rack 19 is fixedly connected to the movable fixed plate 5, and the lower part of the movable fixed plate 5 is fixedly connected to the scraper 13, and a detection ring 4 is provided at the front end of the movable fixed plate 5, and the detection ring 4 is fixedly connected to the movable platform 6.
[0036] In the embodiment, when the device is used, first, the threaded rod 9 can be driven to rotate by the first motor 8, the threaded rod 9 drives the threaded transmission member 10 to move, and the transmission member 10 drives the moving table 6 to move, so that the device is adaptively adjusted according to the length of the pipeline, and the first worm 16 is driven to rotate by starting the second motor 15, the first worm 16 drives the meshed first worm wheel 17 to rotate, the first worm wheel 17 drives the fixed third motor 18 to rotate, the meshed transmission rack 19 is driven to move by the rotation of the third motor 18, and the movable fixing plate 5 is driven to move up and down, so that the size of the pipeline can be adjusted, and the pipeline is fixed, when the pipeline moves along the movable fixing plate 5, the pulley 12 arranged on the upper part of the supporting groove 11 can also scrape the stains on the lower side of the outer wall of the pipeline, and the scraper 13 arranged on the lower part of the movable fixing plate 5 can clean the upper side of the outer wall of the pipeline, so that the subsequent detection ring 4 can detect the outer wall of the pipeline.
[0037] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A quality inspection device for pressure pipes of special equipment, comprising a testing platform (1), characterized in that: The detection platform (1) is provided with a cylinder (2) on the upper part, the output end of the cylinder (2) is provided with a detection rod (7), the upper part of the detection rod (7) is provided with a camera (21) and an eddy current detector (22), the upper part of the detection rod (7) is rotatably connected to a friction wheel (23), the friction wheel (23) is fixedly connected to a first transmission wheel (24), the first transmission wheel (24) is transmission-connected to a first transmission belt (25), the first transmission belt (25) is transmission-connected to a second transmission wheel (26), the second transmission wheel (26) is fixedly connected to a second worm (27), the second worm (27) is threadedly connected to a second worm wheel (28), the second worm wheel (28) is fixedly connected to the first transmission belt (25), and the second worm wheel (28) is fixedly connected to the second worm wheel (28). A rotating rod (35) is fixedly connected, the rotating rod (35) is rotatably connected to the detection rod (7), a second gear (33) is fixedly connected to the upper part of the eddy current detector (22), the second gear (33) is meshedly connected to the third gear (36), the third gear (36) is fixedly connected to the third transmission wheel (30), the third transmission wheel (30) is transmission-connected to the second transmission belt (31), the second transmission belt (31) is transmission-connected to the fourth transmission wheel (32), the fourth transmission wheel (32) is rotatably connected to the rotating plate (34), the rotating plate (34) is fixedly connected to the rotating rod (35), and the fourth transmission wheel (32) is fixedly connected to the cleaning wheel (29); The detection rod (7) is provided with a camera (21) and an eddy current detector (22). When the detection rod (7) moves in the pipeline, the friction wheel (23) rotates along the inner wall of the pipeline. The rotation of the friction wheel (23) drives the second worm gear (28) to rotate, and the rotation of the second worm gear (28) drives the rotating rod (35) to rotate. The rotating rod (35) drives the fixedly connected rotating plate (34) to rotate, and the rotation of the rotating plate (34) drives the cleaning wheel (29) to rotate along the inner wall of the pipeline. When the rotating rod (35) rotates, the third gear (36) rotates along the meshed second gear (33), and the rotation of the third gear (36) drives the cleaning wheel (29) to rotate. The inner wall of the pipeline is cleaned by driving the cleaning wheel (29) to rotate while rotating, thereby avoiding missed detection.
2. A special equipment pressure pipeline quality inspection device according to claim 1, characterized in that: Transmission mechanisms are fixedly connected to both sides of the detection platform (1), and the transmission mechanisms drive the moving platform (6) to move.
3. A special equipment pressure pipeline quality detection device according to claim 2, characterized in that: The transmission mechanism comprises a transmission housing (3) fixedly connected to both sides of the detection platform (1); a first motor (8) is arranged inside the transmission housing (3); and a transmission assembly is arranged at the output end of the first motor (8).
4. A special equipment pressure pipeline quality inspection device according to claim 3, characterized in that: The transmission assembly comprises a threaded rod (9) provided at the output end of a first motor (8), the threaded rod (9) being threadedly connected to a transmission member (10), and the transmission member (10) being fixedly connected to a moving platform (6).
5. The special equipment pressure pipeline quality inspection device according to claim 2, characterized in that: The upper portion of the movable platform (6) is fixedly connected to a support groove (11), and the upper portion of the support groove (11) is provided with a pulley (12).
6. A special equipment pressure pipeline quality inspection device according to claim 5, characterized in that: Fixing mechanisms are provided on both sides of the support groove (11), and a movable fixing plate (5) is provided on the upper portion of the fixing mechanism.
7. A special equipment pressure pipeline quality inspection device according to claim 6, characterized in that: The fixing mechanism comprises a fixing housing (14) fixedly connected to both sides of the supporting groove (11); a second motor (15) is provided on one side of the fixing housing (14); and a fixing component is provided at the output end of the second motor (15).
8. The special equipment pressure pipeline quality inspection device according to claim 7, characterized in that: The fixed assembly includes a first worm (16) provided at the output end of the second motor (15), the first worm (16) is meshedly connected to a first worm wheel (17), the first worm wheel (17) is fixedly connected to a third motor (18), the third motor (18) is meshedly connected to a transmission rack (19), the transmission rack (19) is slidably connected to a limiting slide groove (20), the limiting slide groove (20) is fixedly connected to the inside of the fixed housing (14), and the upper part of the transmission rack (19) is fixedly connected to a movable fixed plate (5).
9. The special equipment pressure pipeline quality inspection device according to claim 6, characterized in that: A scraper (13) is fixedly connected to the lower portion of the movable fixed plate (5), a detection ring (4) is provided at the front end of the movable fixed plate (5), and the detection ring (4) is fixedly connected to the movable platform (6).
Citation Information
Patent Citations
Mounting bracket for fixing oil supply hose and use method of mounting bracket
CN113669504A
Portable pipeline cleaning device
CN115532742A
Weld joint structure detection device and detection method thereof
CN116577419A
Fire hydrant pipeline outer wall cleaning device
CN209035027U
High-precision eddy current flaw detector for stainless steel seamless steel tubes
CN211652680U