A detection device for detecting a pipe blockage

By installing a transparent cover in the pipeline blockage detection device to isolate the observation fan from the external environment, misjudgment of wind force rotation is prevented. Dust is also isolated after the bearing is lubricated, thus solving the problem of fan blade misjudgment and ensuring the accuracy of pipeline operation and the stability of the device.

CN224327017UActive Publication Date: 2026-06-05QINGDAO JUNDA INSPECTION & TESTING CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
QINGDAO JUNDA INSPECTION & TESTING CO LTD
Filing Date
2025-07-18
Publication Date
2026-06-05

AI Technical Summary

Technical Problem

In existing pipe blockage detection devices, the fan blade structure is easily affected by external wind force, causing it to rotate erroneously and misjudge the pipe blockage status, thus affecting normal judgment and operation.

Method used

By setting a transparent cover, the observation fan is isolated from the outside world, allowing it to rotate only driven by water flow, preventing interference from external wind forces, and isolating dust adhesion after the bearing is installed and lubricated, thus protecting the bearing's normal operation.

Benefits of technology

This effectively avoids misjudgments caused by the observation fan rotating incorrectly due to external wind force, ensuring the accuracy of pipeline operation and the stability of the detection device, reducing the impact of dust on the bearings, and ensuring the normal operation of the device.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a detection device for detecting pipeline blockage relates to pipeline detection technical field, include: detection pipe, the top of detection pipe central position fixed mounting has installation platform, the connecting position of installation platform and detection pipe installs the limit piece, the circumferential outer wall of installation platform rotates and is installed with the dismantling ring. The transparent cover separates the observation fan from the outside environment, so that the observation fan can only rotate by receiving the power of the water flow driven by the detection handle, effectively blocking the interference of the outside wind power on the running state of the observation fan. This structure can avoid the misrotation of the observation fan caused by external airflow disturbance, prevent the transmission of false signals to the staff, and solve the problem that the fan blade structure for state reminding is usually directly exposed to the outside of the pipeline. When blockage occurs inside the pipeline, causing the fluid to be unable to drive the rotation of the fan blade, if there is enough wind power in the external environment, the fan blade structure is easy to be disturbed by the airflow and produce non-driven rotation.
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Description

Technical Field

[0001] This utility model relates to the field of pipeline inspection technology, and in particular to a detection device for detecting pipeline blockage. Background Technology

[0002] Pipelines have a wide range of applications, mainly used for water supply, drainage, heating, gas supply, long-distance transportation of oil and natural gas, agricultural irrigation, hydraulic engineering, and various industrial installations. During the application of pipelines, blockages are inevitable. Therefore, it is necessary to install detection devices at the nodes of the pipeline to determine whether a blockage has occurred. For example, patent application number CN202320575143.X discloses a pipeline blockage detection device. This device is easy to adjust the height of the detection pipe and easy to connect and install with the pipeline being detected, making it convenient to use.

[0003] However, in existing pipe blockage detection devices such as those mentioned above, the fan blade structure used for status alerts is usually directly exposed to the outside of the pipe. When a blockage occurs inside the pipe, preventing the fluid from driving the fan blade to rotate, if there is sufficient wind in the external environment, the fan blade structure is easily disturbed by the airflow and produces non-driven rotation. This erroneous rotation will transmit incorrect normal operation signals to the staff, leading to misjudgment of the pipe blockage status, which in turn interferes with the normal judgment and handling of fluid transportation operations in the pipe, causing unnecessary operational troubles. Summary of the Invention

[0004] This utility model relates to a detection device for detecting pipe blockage. It isolates the observation fan from the outside environment by using a transparent cover, allowing the fan to rotate only through the power of the water flow driven by the detection wheel. This prevents external wind from affecting the fan's operation, thus avoiding incorrect information transmitted to operators due to external airflow, misjudging the pipe blockage status, and interfering with the normal use of the pipe. The transparent cover also isolates the mounting bearing. After lubrication, the closed cover prevents external dust from adhering to the bearing, protecting it from dust accumulation that could affect its normal operation and cause inconvenience to the detection mechanism within the device.

[0005] In a first aspect, this utility model provides a detection device for detecting pipe blockage, specifically comprising: a detection tube, wherein an installation platform is fixedly mounted at the center of the top of the detection tube; a limiting piece is installed at the connection position between the installation platform and the detection tube; a disassembly ring is rotatably mounted on the outer circumference of the installation platform; a disassembly groove is formed on the inner circumference of the disassembly ring; an insertion groove is formed at the top of the installation platform; limiting blocks are fixedly mounted on the left and right sides inside the insertion groove; a shrinkage groove is formed inside the limiting blocks; a positioning post is slidably installed inside the shrinkage groove; a transparent cover is inserted into the insertion groove; limiting grooves are formed at the left and right ends of the bottom of the transparent cover; a positioning hole is formed inside the limiting groove; an installation groove is formed at the center of the top of the installation platform; an installation bearing is fixedly mounted inside the installation groove; a detection shaft is fixedly mounted on the inner ring of the installation bearing; a detection dial is fixedly mounted on the outer circumference of the detection shaft; and an observation fan is fixedly mounted at the top of the detection shaft.

[0006] Preferably, a disassembly piece is fixedly installed at the front end of the disassembly ring; a spring A is embedded between the disassembly piece and the limiting piece.

[0007] Preferably, the disassembly groove has an arc-shaped structure, and the first end of the disassembly groove has an inclined structure; the outer end of the positioning post has a hemispherical structure; the spherical surface of the outer end of the positioning post abuts against the inner circumference of the disassembly ring.

[0008] Preferably, a baffle is fixedly installed on the outer circumference of the positioning post; the baffle is slidably installed inside the shrinkage groove.

[0009] Preferably, a spring B is embedded between the outer side of the baffle and the outer end of the contraction groove; the limiting block is fitted inside the limiting groove.

[0010] Preferably, the inner end of the positioning post is inserted into the interior of the positioning hole; the top end of the mounting groove has a conical structure.

[0011] Preferably, the detection dial is located inside the detection tube; the observation fan is located inside the transparent cover.

[0012] This utility model provides a detection device for detecting pipe blockage, which has the following beneficial effects:

[0013] 1. By setting a transparent cover to isolate the observation fan from the external environment, the observation fan can only rotate by receiving the power driven by the water flow through the detection dial. This effectively blocks the interference of external wind force on the operation of the observation fan. This structure can prevent the observation fan from rotating erroneously due to external airflow disturbances, prevent the transmission of incorrect signals to the staff, thereby eliminating the risk of misjudging the pipe blockage status and ensuring that the normal operation of the pipeline is not disturbed.

[0014] 2. The transparent cover also serves as an isolation and protection function for the installed bearing. After the bearing has been lubricated, closing the transparent cover can reduce the adhesion of external dust to the surface of the lubricated bearing. Through physical isolation, it avoids the problem of increased bearing running resistance caused by dust adhesion, thus ensuring the stable operation of the testing mechanism. Attached Figure Description

[0015] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings of the embodiments will be briefly described below.

[0016] The accompanying drawings described below are only related to some embodiments of the present invention and are not intended to limit the scope of the present invention.

[0017] In the attached diagram:

[0018] Figure 1 A schematic diagram of the overall structure of this utility model is shown;

[0019] Figure 2 This diagram shows the structure of the transparent cover of this invention in a disassembled state.

[0020] Figure 3 A schematic diagram of a half-section of the detection tube of this utility model is shown;

[0021] Figure 4 This utility model illustrates Figure 3 Enlarged structural diagram of section A;

[0022] Figure 5 A schematic diagram of the half-section structure of the transparent cover and disassembly ring of this utility model is shown;

[0023] List of reference numerals

[0024] 1. Detection tube; 2. Mounting platform; 3. Limiting plate; 4. Removal ring; 5. Removal piece; 6. Spring A; 7. Removal groove; 8. Insertion groove; 9. Limiting block; 10. Shrinkage groove; 11. Positioning post; 12. Baffle; 13. Spring B; 14. Transparent cover; 15. Limiting groove; 16. Positioning hole; 17. Mounting groove; 18. Mounting bearing; 19. Detection shaft; 20. Detection dial; 21. Observation fan. Detailed Implementation

[0025] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the described embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0026] Please refer to Figures 1 to 5 Example 1:

[0027] This utility model proposes a detection device for detecting pipe blockage, comprising: a detection tube 1, an installation platform 2 fixedly mounted at the center of the top of the detection tube 1; a limiting piece 3 installed at the connection position between the installation platform 2 and the detection tube 1; a disassembly ring 4 rotatably mounted on the outer circumference of the installation platform 2; a disassembly groove 7 formed on the inner circumference of the disassembly ring 4; an insertion groove 8 formed at the top of the installation platform 2; limiting blocks 9 fixedly mounted on the left and right sides inside the insertion groove 8; a shrinkage groove 10 formed inside the limiting blocks 9; a positioning post 11 slidably installed inside the shrinkage groove 10; a transparent cover 14 inserted inside the insertion groove 8; limiting grooves 15 formed at the left and right ends of the bottom of the transparent cover 14; and a positioning post 11 formed inside the limiting groove 15. Hole 16; A mounting groove 17 is provided at the center of the top of the mounting platform 2; A mounting bearing 18 is fixedly installed inside the mounting groove 17; A detection shaft 19 is fixedly installed on the inner ring of the mounting bearing 18; A detection dial 20 is fixedly installed on the outer circumference of the detection shaft 19; An observation fan 21 is fixedly installed at the top of the detection shaft 19. When water is flowing normally, the water flow will drive the detection dial 20 to rotate, causing the detection dial 20 to rotate along with the detection shaft 19 and the observation fan 21. The observation fan 21 will rotate to remind the staff that there is no blockage inside the pipe. However, if there is a blockage in the pipe, the water flow will not be able to drive the detection dial 20 to rotate, and the observation fan 21 will not be able to rotate, indicating to the staff that there is a blockage inside the pipe, which can be dealt with in a timely manner.

[0028] In Example 2, based on Example 1, a disassembly piece 5 is fixedly installed at the front end of the disassembly ring 4; a spring A6 is embedded between the disassembly piece 5 and the limiting piece 3; the disassembly groove 7 has an arc-shaped structure, and the first end of the disassembly groove 7 has an inclined structure; the outer end of the positioning post 11 has a hemispherical structure; the spherical surface of the outer end of the positioning post 11 abuts against the inner circumference of the disassembly ring 4; a baffle 12 is fixedly installed on the outer circumference of the positioning post 11; the baffle 12 is slidably installed inside the shrinkage groove 10, and the observation fan 21 is isolated from the outside world by setting a transparent cover 14, so that the observation fan 21 can only rotate by the power driven by the water flow through the detection dial 20, so that the external wind force will not affect the operation of the observation fan 21, thereby avoiding the observation fan 21 from being affected by the external air. The rotation of the flow can transmit incorrect information to the staff, leading to misjudgments of the pipe blockage status and interfering with the normal use of the pipe. When it is necessary to lubricate the mounting bearing 18, the disassembly piece 5 can be manually moved towards the limit piece 3 to make it rotate with the disassembly ring 4. During the rotation, the disassembly groove 7 slides into the outer end area of ​​the positioning post 11, so that the positioning post 11 enters the interior of the disassembly groove 7. Under the action of the disassembly groove 7, the positioning post 11 is pushed outward by the spring B13 to move a certain distance, so that the inner end of the positioning post 11 is disengaged from the positioning hole 16, thereby making the transparent cover 14 unsecured. Then the transparent cover 14 is removed, exposing the mounting groove 17 and the mounting bearing 18, making it convenient to use the mounting groove 17 to lubricate the mounting bearing 18.

[0029] In Example 3, based on Example 2, a spring B13 is embedded between the outer side of the baffle 12 and the outer end of the shrinkage groove 10; the limiting block 9 is snapped into the inside of the limiting groove 15; the inner end of the positioning post 11 is inserted into the inside of the positioning hole 16; the top of the mounting groove 17 has a conical structure; the detection dial 20 is located inside the detection tube 1; the observation fan 21 is located inside the transparent cover 14. The transparent cover 14 also serves to isolate the mounting bearing 18. After the mounting bearing 18 is lubricated, the closing of the transparent cover 14 can, to a certain extent, prevent external dust from adhering to the lubricated mounting bearing 18, thus isolating and protecting the mounting bearing 18 and preventing dust from adhering to it, affecting its normal operation, and causing inconvenience to the detection mechanism in the device. The transparent cover 14, which closes again after lubrication, also serves to isolate the mounting bearing 18, preventing the lubricated mounting bearing 18 from continuously contacting the outside world, which would cause sand and dust to adhere to the mounting bearing 18.

[0030] Working principle: In use, first connect the left and right ends of the detection tube 1 to the corresponding pipes. When the connected pipes are flowing normally, the water flow drives the detection wheel 20 to rotate, which in turn drives the detection shaft 19 and the observation fan 21 to rotate synchronously. The rotation status of the observation fan 21 provides feedback to the staff that the pipe is not blocked. If the pipe is blocked, the water flow cannot drive the detection wheel 20 to rotate, and the observation fan 21 will stop, thus indicating to the staff that the pipe is blocked, facilitating timely handling. When it is necessary to lubricate the mounting bearing 18, the disassembly piece 5 can be manually moved towards the limit piece 3, causing the disassembly ring 4 to rotate. During the process, the disassembly groove 7 slides to the outer end area of ​​the positioning post 11, allowing the positioning post 11 to enter the disassembly groove 7. Under the action of the disassembly groove 7, the positioning post 11 is pushed outward by the spring B13, and its inner end disengages from the positioning hole 16. The transparent cover 14 loses its fixation, and the transparent cover 14 can be removed at this time to expose the mounting groove 17 and the mounting bearing 18, making it convenient to lubricate the mounting bearing 18 through the mounting groove 17. After lubrication, closing the transparent cover 14 again can form an isolation protection for the mounting bearing 18, preventing the mounting bearing 18 after lubrication from continuous contact with the outside world, which would cause sand and dust to adhere, and ensuring its normal operation.

[0031] The following points should be noted in this article:

[0032] 1. The accompanying drawings of this utility model embodiment only involve the structure involved in this utility model embodiment; other structures can refer to general designs.

[0033] 2. Where there is no conflict, the embodiments of this utility model and the features in the embodiments can be combined with each other to obtain new embodiments.

[0034] The above are merely specific embodiments of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the scope of the claims.

Claims

1. A detection device for detecting pipe blockage, comprising: A detection tube (1) is provided, and an installation platform (2) is fixedly installed at the center of the top of the detection tube (1); a limiting piece (3) is installed at the connection position between the installation platform (2) and the detection tube (1); characterized in that a disassembly ring (4) is rotatably installed on the outer circumference of the installation platform (2); a disassembly groove (7) is provided on the inner circumference of the disassembly ring (4); an insertion groove (8) is provided at the top of the installation platform (2); limiting blocks (9) are fixedly installed on the left and right sides inside the insertion groove (8); a shrinkage groove (10) is provided inside the limiting block (9); and a sliding insert is provided inside the shrinkage groove (10). Positioning post (11); a transparent cover (14) is inserted into the insertion slot (8); limiting slots (15) are opened at the bottom left and right ends of the transparent cover (14); positioning holes (16) are opened inside the limiting slots (15); an installation slot (17) is opened at the center of the top of the installation platform (2); an installation bearing (18) is fixedly installed inside the installation slot (17); a detection shaft (19) is fixedly installed on the inner ring of the installation bearing (18); a detection dial (20) is fixedly installed on the outer circumference of the detection shaft (19); an observation fan (21) is fixedly installed at the top of the detection shaft (19).

2. The detection device for detecting pipe blockage according to claim 1, characterized in that, The front end of the disassembly ring (4) is fixedly installed with a disassembly piece (5); a spring A (6) is embedded between the disassembly piece (5) and the limiting piece (3).

3. A detection device for detecting pipe blockage according to claim 2, characterized in that, The disassembly groove (7) has an arc-shaped structure, and the first end of the disassembly groove (7) has an inclined structure; the outer end of the positioning post (11) has a hemispherical structure; the spherical surface of the outer end of the positioning post (11) abuts against the inner circumference of the disassembly ring (4).

4. A detection device for detecting pipe blockage according to claim 3, characterized in that, A baffle (12) is fixedly installed on the outer circumference of the positioning column (11); the baffle (12) is slidably installed inside the shrinkage groove (10).

5. A detection device for detecting pipe blockage according to claim 4, characterized in that, A spring B (13) is fitted together between the outer side of the baffle (12) and the outer end of the contraction groove (10); the limiting block (9) is fitted inside the limiting groove (15).

6. A detection device for detecting pipe blockage according to claim 5, characterized in that, The inner end of the positioning post (11) is inserted into the inside of the positioning hole (16); the top of the mounting groove (17) is tapered.

7. A detection device for detecting pipe blockage according to claim 6, characterized in that, The detection dial (20) is located inside the detection tube (1); the observation fan (21) is located inside the transparent cover (14).