Device for detecting oxide skin in pipeline
By using an arc-shaped brush to clean impurities in the oxide scale detection device inside the pipeline and simplifying the detector replacement process, the problems of impurities affecting detection accuracy and cumbersome replacement steps have been solved, achieving efficient and accurate oxide scale detection.
Patent Information
- Application Number
- CN202423041811.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-12-10
AI Technical Summary
In existing technologies, when detecting oxide scale inside pipes, impurities and dust affect the accuracy of the detector, leading to misleading test results, and the detector replacement process is cumbersome.
A device for detecting oxide scale inside pipelines was designed, equipped with a mobile trolley, a cleaning mechanism, and a fixing mechanism. The device uses an arc-shaped brush to clean impurities inside the pipeline, and the detector can be easily replaced through the fixing mechanism.
It improves the accuracy of detection data and work efficiency, simplifies the detector replacement process, and ensures the stable installation and convenient maintenance of the detector.
Smart Images
Figure CN223565669U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pipeline oxide skin detection technical field especially relates to a pipeline internal oxide skin detection device. BACKGROUND
[0002] With the wide application of pipeline transportation systems in industries, energy and other fields, the state of the pipeline interior is crucial to the operation efficiency of the system and the long-term stability of the equipment. Especially in the oil, natural gas, chemical industry and other industries, pipelines carry a large amount of fluid transportation tasks, and are also exposed to harsh environments such as high temperature and corrosive media. These factors exacerbate the formation of oxide skin inside the pipeline, which not only affects the smoothness of the inner wall of the pipeline and reduces the efficiency of fluid transportation, but also may hide potential defects such as cracks, corrosion and wear of the pipeline, which may seriously affect the safety and reliability of the pipeline.
[0003] The prior art usually uses a mobile device to carry a detector for internal inspection of the pipeline when detecting whether there is oxide skin in the pipeline. These devices detect the inner wall of the pipeline through ultrasonic wave, laser scanning and other technologies. However, due to the complex environment inside the pipeline, impurities or dust can easily affect the accuracy of the detector. During the detection process, these substances attached to the inner wall of the pipeline may cause reflection, scattering or blocking of the signal, resulting in misleading detection results and affecting the evaluation of the pipeline condition.
[0004] Therefore, a pipeline internal oxide skin detection device is proposed to solve the above problems. UTILITY MODEL CONTENT
[0005] In order to make up for the above shortcomings, the utility model provides a pipeline internal oxide skin detection device, which aims to improve the problem of impurities affecting the detection accuracy in the pipeline and the cumbersome steps when replacing the detector.
[0006] In order to achieve the above purpose, the utility model adopts the following technical scheme: a pipeline internal oxide skin detection device, comprising a mobile trolley, further comprising a to-be-detected pipeline outside the mobile trolley, the mobile trolley is arranged inside the to-be-detected pipeline, a cleaning mechanism is arranged at the front end of the mobile trolley, a hollow column is fixedly connected to the tail part of the mobile trolley, a connecting column is inserted into the hollow column, a detector is fixedly connected to the end of the connecting column away from the hollow column, and a fixing mechanism is arranged in the hollow column.
[0007] The cleaning mechanism includes a protective shell and a motor, one end of the protective shell is fixedly connected to the front end of the moving trolley, the motor is fixedly connected inside the protective shell, the motor output end is fixedly connected with a disc one, the disc one is fixedly connected with a circular column on the side away from the motor, the circular column is fixedly connected with a disc two on the side away from the disc one, a plurality of spring two are fixedly connected outside the circular column and are annularly distributed, a plurality of arc-shaped brushes are arranged between the disc one and the disc two and are annularly distributed.
[0008] As a further description of the above technical solution:
[0009] The fixing mechanism includes an outer shell, the outer shell is fixedly connected inside the hollow column, the outer shell is fixedly connected with an inner shell inside, the inner shell is slidingly connected with a latch inside, the latch is provided with a self-locking assembly outside.
[0010] As a further description of the above technical solution:
[0011] The self-locking assembly includes a backing plate and an L-shaped rod, the backing plate is fixedly connected to the outside of the latch, the L-shaped rod is fixedly connected to the outside of the backing plate, an L-shaped groove is formed in the outside of the inner shell, and an arc-shaped groove is formed in the end of the outer shell away from the hollow column.
[0012] As a further description of the above technical solution:
[0013] The spring two is fixedly connected to the inside of the arc-shaped brush away from one end of the circular column, and the arc-shaped brush is slidingly connected between the disc two and the disc one outside.
[0014] As a further description of the above technical solution:
[0015] The arc-shaped brush abuts against the inner wall of the pipeline to be detected, and the arc-shaped brush is rotationally connected inside the pipeline to be detected.
[0016] As a further description of the above technical solution:
[0017] The latch is inserted into the connecting column, and the latch is fixedly connected with a pull ring away from the hollow column.
[0018] As a further description of the above technical solution:
[0019] One end of the spring one is fixedly connected to one side of the backing plate, and the other end of the spring one abuts against the inner wall of the inner shell.
[0020] As a further description of the above technical solution:
[0021] The L-shaped rod is slidingly connected inside the L-shaped groove and the arc-shaped groove.
[0022] The utility model has the advantages of the following:
[0023] 1. In the utility model, when the scale inside the pipeline is detected, the cleaning mechanism at the front end of the movable trolley is started first, and the arc-shaped brush effectively preliminarily cleans the dust and impurities inside the pipeline through the rotating action. Subsequently, the detector at the tail of the movable trolley starts to work and accurately detects. In this way, the impurities inside the pipeline are removed, the accuracy of the detection data is ensured, and the work efficiency is greatly improved.
[0024] 2. In the utility model, in order to improve the convenience of the fixing mechanism, the detector is stably installed at the tail of the movable trolley. When the detector needs to be replaced or repaired, the connecting column can be pulled out by pulling the plug. Subsequently, the plug is rotated to make the L-shaped rod clamped into the L-shaped slot, so that the trouble of continuously pulling the plug is avoided. After replacement, the connecting column of the intact detector is inserted into the hollow column again, and the plug is rotated. Under the action of the spring one, the plug will be automatically inserted into the connecting column, so that the replacement operation of the detector is completed. The replacement process is simplified, and the work efficiency is effectively improved. BRIEF DESCRIPTION OF DRAWINGS
[0025] Figure 1 A three-dimensional schematic view of a scale detection device inside a pipeline is provided for the utility model;
[0026] Figure 2 An exploded structural schematic view of a fixing mechanism of a scale detection device inside a pipeline is provided for the utility model;
[0027] Figure 3 An exploded structural schematic view of a cleaning mechanism of a scale detection device inside a pipeline is provided for the utility model.
[0028] LEGEND:
[0029] 1. Detector; 2. Movable trolley; 3. Disc one; 4. Arc-shaped brush; 5. Pipeline to be detected; 6. Hollow column; 7. Connecting column; 8. Pad; 9. Spring one; 10. Plug; 11. Inner shell; 12. Outer shell; 13. Arc-shaped slot; 14. L-shaped slot; 15. L-shaped rod; 16. Disc two; 17. Spring two; 18. Motor; 19. Protection shell; 20. Circular column. DETAILED DESCRIPTION
[0030] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without creative labor belong to the scope of the utility model protection.
[0031] Referring to Figure 1 - Figure 3 The utility model provides an embodiment: a pipeline inner oxide skin detection device, including moving trolley 2, still including the pipeline 5 of moving trolley 2 periphery to be detected, moving trolley 2 sets up in the inside of pipeline 5 to be detected, and moving trolley 2 front end is provided with cleaning mechanism, and moving trolley 2 tail portion fixedly connected with hollow column 6, and hollow column 6 inside is inserted with connecting column 7, and connecting column 7 is fixedly connected with detector 1 away from one end of hollow column 6, and hollow column 6 inside is provided with fixed mechanism;
[0032] Cleaning mechanism includes protection shell 19 and motor 18, and protection shell 19 one end is fixedly connected in moving trolley 2 front end, and motor 18 is fixedly connected in the inside of protection shell 19, and motor 18 output is fixedly connected with disc 1, and disc 1 is fixedly connected with circular column 20 away from one side of motor 18, and circular column 20 is fixedly connected with disc 2 16 away from one side of disc 1, and circular column 20 outside is fixedly connected with a plurality of spring 2 17 and is annularly distributed, and a plurality of arc-shaped brushes 4 are arranged between disc 1 and disc 2 16 and are annularly distributed, and spring 2 17 is fixedly connected in the inside of arc-shaped brush 4 away from one end of circular column 20, and arc-shaped brush 4 outside is slidably connected between disc 2 16 and disc 1, and arc-shaped brush 4 is in abutment with the inner wall of pipeline 5 to be detected, and arc-shaped brush 4 is rotatably connected in the inside of pipeline 5 to be detected. Moving trolley 2 is mainly used for moving in the inside of pipeline 5 to be detected, and carries and drives cleaning and detection equipment. Pipeline 5 to be detected is the target pipeline for oxide skin detection, and moving trolley 2 moves in its inside, to ensure that oxide skin detection is carried out comprehensively. Hollow column 6 is fixedly connected with the tail portion of the trolley, to provide support and stability, and internally accommodate connecting column 7. Connecting column 7 connects detector 1 at the tail portion, and is pluggable, to facilitate replacement or maintenance of detector 1. Detector 1 is located at the tail portion of the trolley, and is responsible for accurate detection of oxide skin on the inner wall of the pipeline, to obtain data and transmit the data to an external receiving system. Protection shell 19 is used for protecting motor 18 and internal components, to ensure stable operation and prevent damage. Motor 18 is used for driving rotation of the entire cleaning mechanism, to enable disc 1, disc 2 16 and circular column 20 to rotate together, so as to drive arc-shaped brush 4 to clean. Spring 2 17 is connected with arc-shaped brush 4, to keep the brush in close contact with the inner wall of the pipeline, to ensure cleaning effect. Arc-shaped brush 4 cleans dust and impurities on the inner wall of the pipeline by rotating, to help accuracy of detection.
[0033] With reference to Figure 1 And Figure 2 , the fixing mechanism includes a shell 12 fixedly connected inside the hollow column 6, an inner shell 11 fixedly connected inside the shell 12, a latch 10 slidably connected inside the inner shell 11, a spring 9 sleeved outside the latch 10, a self-locking assembly provided outside the latch 10, the latch 10 inserted into the connecting column 7, and a pull ring fixedly connected to the end of the latch 10 away from the hollow column 6. The shell 12 is fixed inside the hollow column 6 to provide protection and support for the fixing mechanism. It surrounds and stably contains the inner shell 11 and other internal components, ensuring the stable operation of each part. The inner shell 11 is located inside the shell 12 and fixed thereto. The inner shell 11 is internally provided with a sliding space for accommodating and guiding the sliding of the latch 10, allowing the latch 10 to smoothly insert into or detach from the connecting column 7. The main function of the latch 10 is to be inserted into the connecting column 7 to lock the detector 1, ensuring that the detector 1 is firmly connected to the hollow column 6. The latch 10 can be pulled out when needed, facilitating the replacement or disassembly of the detector 1. Its insertion and extraction are controlled by the spring 9 and the self-locking assembly, ensuring its stability and reliability. The spring 9 is sleeved outside the latch 10 to provide a rebounding force. When the latch 10 is pulled out or inserted, the spring 9 automatically restores the position of the latch 10, ensuring that the latch 10 can stably remain in the inserted state and preventing loosening or misalignment.
[0034] With reference to Figure 1 And Figure 2 , the self-locking assembly includes a pad plate 8 fixedly connected to the outside of the latch 10, an L-shaped rod 15 fixedly connected to the outside of the pad plate 8, an L-shaped groove 14 provided on the outside of the inner shell 11, an arc-shaped groove 13 provided on the end of the shell 12 away from the hollow column 6, one end of the spring 9 fixedly connected to one side of the pad plate 8, the other end of the spring 9 abutting against the inner wall of the inner shell 11, and the L-shaped rod 15 slidably connected inside the L-shaped groove 14 and the arc-shaped groove 13. The pad plate 8 is located outside the latch 10 and fixedly connected to the middle part of the latch 10. It serves as one of the core components of the self-locking assembly, providing connection support for the L-shaped rod 15 to ensure the stability of the self-locking structure. Through the pad plate 8, the L-shaped rod 15 can be stably connected with the latch 10 and play a guiding and supporting role in the self-locking process. The L-shaped rod 15 is fixedly connected with the pad plate 8 and slidably connected inside the L-shaped groove 14 on the outside of the inner shell 11 and the arc-shaped groove 13 on the end of the shell 12 away from the hollow column 6. The L-shaped rod 15 plays a key role in self-locking and unlocking the latch 10. The L-shaped groove 14 is used when the latch 10 is pulled out. By rotating the latch 10, the L-shaped rod 15 can be clamped inside the L-shaped groove 14, thereby achieving the locking of the latch 10. It is not necessary to pull the latch 10 all the time. When it is necessary to release the latch 10, the L-shaped rod 15 is made to freely slide inside the L-shaped groove 14 by rotating the latch 10. At this time, the latch 10 can be tightly inserted into the connecting column 7 under the action of the spring 17.
[0035] Working principle: first put the mobile trolley 2 into the pipe 5 to be detected, then start the motor 18 at the front end of the mobile trolley 2, the motor 18 will drive the disc one 3, disc two 16 and circular column 20 to rotate, so the arc-shaped brush 4 between the disc two 16 and the disc one 3 will also rotate and preliminarily clean the inner wall of the pipe 5 to be detected, the spring two 17 will lead the arc-shaped brush 4 to fine-tune in the pipe 5 to be detected, the impurities in the pipe are removed, ensuring the accuracy of the detection data, thereby greatly improving the work efficiency, then the detector 1 at the tail of the mobile trolley 2 starts to work, and the detected data is transmitted to the receiver display screen outside in real time, so that the next step of the staff can be judged, when the detector 1 needs to be replaced or repaired, pull the bolt 10, so that the connecting column 7 on the detector 1 can be pulled out from the hollow column 6, then rotate the bolt 10, so that the L-shaped rod 15 is clamped in the L-shaped slot 14, so you don't have to pull the bolt 10 all the time, then insert the connecting column 7 on the intact detector 1 into the hollow column 6, then rotate the bolt 10, so that the L-shaped rod 15 can slide in the L-shaped slot 14, then release the bolt 10, under the action of the spring one 9, the bolt 10 is inserted into the connecting column 7, thus completing the replacement of the detector 1, thereby simplifying the replacement process and effectively improving the work efficiency.
[0036] Finally, it should be noted that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model has been described in detail with reference to the foregoing embodiments, for the person skilled in the art, it still can modify the technical scheme recorded in the foregoing each embodiment, or make equivalent replacement to part of technical features, any modification, equivalent replacement, improvement etc. made within the spirit and principles of the utility model, should be included in the protection scope of the utility model.
Claims
1. A scale detection device for use in a pipe, comprising a mobile trolley (2), characterised in that: Also include the mobile trolley (2) periphery of the pipeline (5) to be detected, the mobile trolley (2) is arranged inside the pipeline (5) to be detected, the mobile trolley (2) front end is provided with cleaning mechanism, the mobile trolley (2) tail fixedly connected with hollow column (6), the hollow column (6) is inserted with connecting column (7) inside, the connecting column (7) is fixedly connected with detector (1) away from one end of the hollow column (6), the hollow column (6) is provided with fixing mechanism inside; The cleaning mechanism includes a protective shell (19) and a motor (18), one end of the protective shell (19) is fixedly connected to the front end of the mobile trolley (2), the motor (18) is fixedly connected inside the protective shell (19), the output end of the motor (18) is fixedly connected with disc one (3), one side of the disc one (3) away from the motor (18) is fixedly connected with circular column (20), one side of the circular column (20) away from the disc one (3) is fixedly connected with disc two (16), a plurality of spring two (17) are fixedly connected outside the circular column (20) and distributed in a ring shape, a plurality of arc-shaped brushes (4) are arranged between the disc one (3) and the disc two (16) and distributed in a ring shape.
2. A pipe scale detection apparatus according to claim 1, wherein: The fixing mechanism includes an outer shell (12), the outer shell (12) is fixedly connected inside the hollow column (6), the inner shell (11) is fixedly connected inside the outer shell (12), the bolt (10) is slidingly connected inside the inner shell (11), the bolt (10) is sleeved with spring one (9) outside, and the bolt (10) is provided with a self-locking assembly outside.
3. A pipe scale detection apparatus according to claim 2, wherein: The self-locking assembly includes a backing plate (8) and an L-shaped rod (15), the backing plate (8) is fixedly connected to the outside of the bolt (10) in the middle, the L-shaped rod (15) is fixedly connected to the outside of the backing plate (8), the L-shaped groove (14) is formed in the outer side of the inner shell (11), and the arc-shaped groove (13) is formed in one end of the outer shell (12) away from the hollow column (6).
4. A pipe scale detection apparatus according to claim 1, wherein: One end of the spring two (17) away from the circular column (20) is fixedly connected to the inside of the arc-shaped brush (4), and the arc-shaped brush (4) is slidingly connected between the disc two (16) and the disc one (3) outside.
5. A scale detection device in a pipe according to claim 1, characterized in that: The arc-shaped brush (4) abuts against the inner wall of the pipeline (5) to be detected, and the arc-shaped brush (4) is rotationally connected inside the pipeline (5) to be detected.
6. A pipe scale detection apparatus according to claim 2, wherein: The bolt (10) is inserted into the connecting column (7), and the bolt (10) is fixedly connected with a pull ring away from one end of the hollow column (6).
7. A pipe scale detection apparatus according to claim 3, wherein: One end of the spring one (9) is fixedly connected to one side of the backing plate (8), and the other end of the spring one (9) abuts against the inner wall of the inner shell (11).
8. A pipe scale detection apparatus according to claim 3, wherein: The L-shaped rod (15) is slidingly connected inside the L-shaped groove (14) and the arc-shaped groove (13) outside.