Detection device used in non-metal pipeline

By designing the clamping mechanism, moving mechanism, and adjusting components, the automatic adjustment problem of the non-metallic pipe inner diameter detection device is solved, improving the detection flexibility and stability.

CN223940241UActive Publication Date: 2026-02-24SICHUAN JISHI TECH CO LTD
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Patent Information

Application Number
CN202520789003.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-24
Publication Date
2026-02-24
Estimated Expiration
2035-04-24

AI Technical Summary

Technical Problem

Existing non-metallic pipe inner diameter detection devices are difficult to automatically adjust the detection port, requiring manual adjustment by flipping and turning multiple times, resulting in low detection flexibility.

Method used

The system employs a clamping mechanism, a moving mechanism, and an adjusting component. A servo motor drives the transmission system to achieve automatic clamping, moving, and rotating of the pipe. An ultrasonic rangefinder is used to detect the inner diameter.

Benefits of technology

It enables automatic adjustment of the pipe inner diameter detection port, improving the flexibility and stability of the detection device and avoiding the need for manual multiple adjustments.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an internal detection device for a non-metal pipeline, which comprises a fixed platform, the bottom surface of the fixed platform is fixedly connected with a support column, a clamping mechanism is started to clamp and fix the pipeline, a driving assembly is started to drive a moving mechanism to rotate, and the moving mechanism is in threaded connection through the inside of the moving mechanism. When the pipeline is opened, a limiting sliding block, a transmission shaft, a fixing plate, a clamping mechanism and the pipeline are driven to move rightwards, an ultrasonic range finder is inserted into a pipeline port, the ultrasonic range finder is started to measure the inner diameter of the pipeline, and an adjusting assembly is started to drive the pipeline to rotate through the transmission shaft, the fixing plate and the clamping mechanism; the internal diameter detection work can be carried out on different ports of the pipeline by repeating the actions, so that the aim of automatically adjusting the internal diameter detection ports of the pipeline is fulfilled, and the problem that the internal diameter detection work can be carried out on the different ports of the pipeline only by manually overturning, adjusting and fixing the pipeline for multiple times in the conventional detection device is avoided. Therefore, the use flexibility of the detection device is greatly reduced.
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Description

Technical Field

[0001] This utility model relates to the field of non-metallic pipe inner diameter detection technology, and in particular to a device for detecting the inner diameter of non-metallic pipes. Background Technology

[0002] Inner diameter inspection of non-metallic pipes is a key link in ensuring the safe operation of pipeline systems. By accurately measuring changes in inner diameter, problems such as corrosion, deformation, or deposit accumulation inside the pipe can be detected in a timely manner, avoiding flow reduction or abnormal pressure caused by narrowing of the pipe diameter. Inner diameter inspection is especially important for non-metallic pipes such as plastic and fiberglass, because internal defects are often difficult to detect through visual inspection.

[0003] When using the testing device, the target pipe must first be fixed in place, and then the inner diameter of the pipe is measured using the testing instrument. However, existing testing devices are difficult to automatically adjust the target testing port of the pipe. Operators typically need to repeatedly rotate and adjust the pipe before different ports can be tested, significantly reducing the testing flexibility of the device. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a detection device for non-metallic pipes, which solves the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] An internal inspection device for non-metallic pipes includes a fixed platform, a support column fixedly connected to the bottom surface of the fixed platform, a limiting groove extending through the top surface of the fixed platform, a limiting slider slidably connected to the inner wall of the limiting groove, a drive shaft rotatably connected to the inner wall of the limiting slider, a fixed plate fixedly connected to the top of the drive shaft, and the bottom surface of the fixed plate rotatably connected to the top surface of the limiting slider, a support ring fixedly connected to the top surface of the fixed platform, an ultrasonic rangefinder fixedly connected to the inner wall of the support ring, a clamping mechanism provided on the top surface of the fixed plate, an adjustment component provided on the surface of the limiting slider, a moving mechanism provided on the surface of the fixed platform, and a driving component provided on the bottom surface of the fixed platform.

[0007] Preferably, the clamping mechanism consists of a fixed ring, an electric push rod, and a clamping plate. The fixed ring is fixedly connected to the top surface of the fixed plate, the electric push rod is fixedly connected to the inner wall of the fixed ring, and the clamping plate is fixedly connected to the output end of the electric push rod.

[0008] Preferably, the adjustment assembly consists of a first servo motor, a worm gear, and a worm wheel. The first servo motor is fixedly connected to the surface of the limiting slider, the worm gear is fixedly connected to the output end of the first servo motor, and the inner wall of the worm wheel is fixedly connected to the surface of the transmission shaft, and the inner wall of the worm wheel meshes with the worm gear.

[0009] Preferably, the moving mechanism consists of a limiting ring, a threaded rod, and a connecting frame. The limiting ring is fixedly connected to the surface of the fixed platform, the threaded rod is rotatably connected to the inner wall of the limiting ring, the inner wall of the connecting frame is threadedly connected to the surface of the threaded rod, the inner wall of the connecting frame is slidably connected to the surface of the fixed platform, and the connecting frame is fixedly connected to the surface of the limiting slider.

[0010] Preferably, the drive assembly consists of a second servo motor, a drive wheel, a transmission belt, and a driven wheel. The second servo motor is fixedly connected to the bottom surface of the fixed platform. The inner wall of the drive wheel is fixedly connected to the output end of the second servo motor. The transmission belt meshes with the inner wall of the drive wheel. The inner wall of the driven wheel is fixedly connected to the surface of the threaded rod, and the inner wall of the driven wheel meshes with the transmission belt.

[0011] Preferably, the limiting slider is rectangular and made of metal.

[0012] Preferably, there are multiple electric push rods, and the multiple electric push rods are symmetrically arranged with the vertical center line on the left side of the fixed plate as the axis of symmetry.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows: This non-metallic pipe internal inspection device activates the clamping mechanism to clamp and fix the pipe, activates the drive component to drive the moving mechanism to rotate, and through the threaded connection inside the moving mechanism, drives the limit slider, drive shaft, fixing plate, clamping mechanism and pipe to move to the right, so that the ultrasonic rangefinder is inserted into the pipe port, and the ultrasonic rangefinder is activated to measure the pipe's inner diameter. Activating the adjustment component drives the pipe to rotate through the drive shaft, fixing plate and clamping mechanism. Repeating the above actions can perform inner diameter inspection work at different ports of the pipe; it achieves the goal of facilitating the automatic adjustment of the pipe's inner diameter inspection port, avoiding the problem that existing inspection devices usually require manual multiple flipping and adjustment of the fixed pipe before inner diameter inspection work can be performed at different ports of the pipe, which greatly reduces the flexibility of the inspection device. Attached Figure Description

[0014] Figure 1 This is an isometric drawing of the structure of this utility model;

[0015] Figure 2 This is an enlarged view of the structure at point A of this utility model;

[0016] Figure 3 This is a cross-sectional view of the structure of this utility model;

[0017] Figure 4 This is an enlarged view of structure B of this utility model.

[0018] In the diagram: 1. Fixed platform; 2. Support column; 3. Limiting groove; 4. Limiting slider; 5. Drive shaft; 6. Fixed plate; 7. Support ring; 8. Ultrasonic rangefinder; 9. Fixed ring; 10. Electric push rod; 11. Clamping plate; 12. First servo motor; 13. Worm gear; 14. Worm wheel; 15. Limiting ring; 16. Threaded rod; 17. Connecting frame; 18. Second servo motor; 19. Driving wheel; 20. Drive belt; 21. Driven wheel. Detailed Implementation

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] Reference Figure 1-4A device for detecting non-metallic pipes includes a fixed platform 1, a support column 2 fixedly connected to the bottom surface of the fixed platform 1, a limit groove 3 extending through the top surface of the fixed platform 1, a limit slider 4 slidably connected to the inner wall of the limit groove 3, the limit slider 4 being rectangular in shape and made of metal, which provides higher strength, makes it less prone to deformation and damage under stress, and more durable. A drive shaft 5 is rotatably connected to the inner wall of the limit slider 4, a fixed plate 6 is fixedly connected to the top of the drive shaft 5, and the bottom surface of the fixed plate 6 is rotatably connected to the top surface of the limit slider 4. A support ring 7 is fixedly connected to the top surface of the fixed platform 1, an ultrasonic rangefinder 8 is fixedly connected to the inner wall of the support ring 7, a clamping mechanism is provided on the top surface of the fixed plate 6, and an adjustment assembly is provided on the surface of the limit slider 4. The adjustment assembly consists of a first servo motor 12, a worm gear 13, and a worm wheel 14. The limiting slider 4 is fixedly connected to the surface, the worm gear 13 is fixedly connected to the output end of the first servo motor 12, the inner wall of the worm wheel 14 is fixedly connected to the surface of the transmission shaft 5, and the inner wall of the worm wheel 14 meshes with the worm gear 13 to drive the pipe to rotate, which facilitates the detection of the inner diameter of different pipe ports and improves the detection flexibility. The fixed platform 1 is provided with a moving mechanism, which consists of a limiting ring 15, a threaded rod 16 and a connecting frame 17. The limiting ring 15 is fixedly connected to the surface of the fixed platform 1, the threaded rod 16 is rotatably connected to the inner wall of the limiting ring 15, the inner wall of the connecting frame 17 is threadedly connected to the surface of the threaded rod 16, and the inner wall of the connecting frame 17 is slidably connected to the surface of the fixed platform 1. The connecting frame 17 is fixedly connected to the surface of the limiting slider 4 to drive the pipe port to be sleeved on the ultrasonic rangefinder 8, which facilitates the automatic inner diameter detection. The bottom surface of the fixed platform 1 is provided with a driving component.

[0021] Specifically, the clamping mechanism consists of a fixed ring 9, an electric push rod 10, and a clamping plate 11. There are multiple electric push rods 10, which are symmetrically arranged about the vertical center line on the left side of the fixed plate 6 as the axis of symmetry. They are used to fix multiple clamping plates 11, which improves the clamping stability. The fixed ring 9 is fixedly connected to the top surface of the fixed plate 6, the electric push rod 10 is fixedly connected to the inner wall of the fixed ring 9, and the clamping plate 11 is fixedly connected to the output end of the electric push rod 10. It is used to clamp and fix the pipeline, which improves the detection stability.

[0022] Specifically, the drive assembly consists of a second servo motor 18, a drive wheel 19, a transmission belt 20, and a driven wheel 21. The second servo motor 18 is fixedly connected to the bottom surface of the fixed platform 1. The inner wall of the drive wheel 19 is fixedly connected to the output end of the second servo motor 18. The transmission belt 20 meshes with the inner wall of the drive wheel 19. The inner wall of the driven wheel 21 is fixedly connected to the surface of the threaded rod 16, and the inner wall of the driven wheel 21 meshes with the transmission belt 20. This is used to drive the moving mechanism to rotate, facilitating translational transmission.

[0023] All electrical components mentioned in this article are connected to an external main controller and 220V AC mains power, and the main controller can be a conventional known device such as a computer that can control it.

[0024] In use: First, place the pipe to be inspected between multiple clamping plates 11. Activate multiple electric push rods 10 to move the clamping plates 11 to contact the pipe, thus clamping and fixing the pipe. Then, activate the second servo motor 18 to drive the drive wheel 19 and transmission belt 20 to rotate. Through the engagement of the transmission belt 20 and the driven wheel 21, the threaded rod 16 rotates along the inner wall of the limiting ring 15. The threaded connection between the threaded rod 16 and the connecting frame 17 causes the limiting slider 4 and the fixing plate 6 to slide to the right along the inner wall of the limiting groove 3. The movement of the fixing plate 6 then drives the fixing ring 9 and the electric push rods 10 to rotate. 0. Move the clamping plate 11 and the pipe to the right so that the ultrasonic rangefinder 8 is inserted into the pipe port. Start the ultrasonic rangefinder 8 to emit ultrasonic waves. By measuring the reflection time of the ultrasonic waves on the inner wall of the pipe, the inner diameter of the pipe can be measured. After the test is completed, reset the fixing plate 6 and start the first servo motor 12 to drive the worm gear 13 to rotate. Through the meshing of the worm gear 13 and the worm wheel 14, the transmission shaft 5 and the fixing plate 6 are driven to rotate. The rotation of the fixing plate 6 drives the fixing ring 9, the electric push rod 10, the clamping plate 11 and the pipe to rotate. Repeat the above actions to perform inner diameter testing on different ports of the pipe.

[0025] In summary, this non-metallic pipe internal inspection device, when activated, uses a clamping mechanism to hold and fix the pipe. The drive assembly then drives a moving mechanism to rotate. Through the threaded connection inside the moving mechanism, the limiting slider 4, drive shaft 5, fixing plate 6, clamping mechanism, and pipe move to the right, allowing the ultrasonic rangefinder 8 to be inserted into the pipe port. The ultrasonic rangefinder 8 is then activated to measure the pipe's inner diameter. The adjustment assembly, via drive shaft 5, fixing plate 6, and clamping mechanism, drives the pipe to rotate. Repeating these actions allows for the inspection of the inner diameter at different pipe ports. This achieves the goal of automatically adjusting the pipe's inner diameter inspection ports, avoiding the problem that existing inspection devices typically require manual multiple adjustments and rotations of the fixed pipe before inner diameter inspection at different ports, which significantly reduces the device's flexibility. This addresses the problems mentioned in the background section.

[0026] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A device for detecting non-metallic pipes, comprising a fixed platform (1), characterized in that, The fixed platform (1) has a support column (2) fixedly connected to its bottom surface. The fixed platform (1) has a limit groove (3) through which a limit slider (4) is slidably connected to the inner wall of the limit groove (3). The inner wall of the limit slider (4) is rotatably connected to a drive shaft (5). The top of the drive shaft (5) is fixedly connected to a fixed plate (6), and the bottom surface of the fixed plate (6) is rotatably connected to the top surface of the limit slider (4). The fixed platform (1) has a support ring (7) fixedly connected to its top surface. The inner wall of the support ring (7) is fixedly connected to an ultrasonic rangefinder (8). The top surface of the fixed plate (6) is provided with a clamping mechanism. The surface of the limit slider (4) is provided with an adjustment component. The surface of the fixed platform (1) is provided with a moving mechanism. The bottom surface of the fixed platform (1) is provided with a driving component.

2. The detection device for non-metallic pipes according to claim 1, characterized in that, The clamping mechanism consists of a fixed ring (9), an electric push rod (10), and a clamping plate (11). The fixed ring (9) is fixedly connected to the top surface of the fixed plate (6), the electric push rod (10) is fixedly connected to the inner wall of the fixed ring (9), and the clamping plate (11) is fixedly connected to the output end of the electric push rod (10).

3. The detection device for non-metallic pipes according to claim 1, characterized in that, The adjustment assembly consists of a first servo motor (12), a worm (13) and a worm wheel (14). The first servo motor (12) is fixedly connected to the surface of the limiting slider (4). The worm (13) is fixedly connected to the output end of the first servo motor (12). The inner wall of the worm wheel (14) is fixedly connected to the surface of the transmission shaft (5), and the inner wall of the worm wheel (14) meshes with the worm (13).

4. The detection device for non-metallic pipes according to claim 1, characterized in that, The moving mechanism consists of a limiting ring (15), a threaded rod (16), and a connecting frame (17). The limiting ring (15) is fixedly connected to the surface of the fixed platform (1). The threaded rod (16) is rotatably connected to the inner wall of the limiting ring (15). The inner wall of the connecting frame (17) is threadedly connected to the surface of the threaded rod (16), and the inner wall of the connecting frame (17) is slidably connected to the surface of the fixed platform (1). The connecting frame (17) is fixedly connected to the surface of the limiting slider (4).

5. The detection device for non-metallic pipes according to claim 1, characterized in that, The drive assembly consists of a second servo motor (18), a drive wheel (19), a transmission belt (20), and a driven wheel (21). The second servo motor (18) is fixedly connected to the bottom surface of the fixed platform (1). The inner wall of the drive wheel (19) is fixedly connected to the output end of the second servo motor (18). The transmission belt (20) meshes with the inner wall of the drive wheel (19). The inner wall of the driven wheel (21) is fixedly connected to the surface of the threaded rod (16), and the inner wall of the driven wheel (21) meshes with the transmission belt (20).

6. The detection device for non-metallic pipes according to claim 1, characterized in that, The limiting slider (4) is rectangular and made of metal.

7. The detection device for non-metallic pipes according to claim 2, characterized in that, The number of electric push rods (10) is multiple, and the multiple electric push rods (10) are symmetrically arranged with the vertical center line on the left side of the fixed plate (6) as the axis of symmetry.