Ultrasonic measuring instrument for pipeline detection

By designing an ultrasonic measuring instrument suitable for pipeline inspection, and utilizing a semi-ring body and guide rail structure, the problem of the difficulty in quickly adjusting existing devices was solved, thus achieving efficient and accurate pipeline weld inspection.

CN224019757UActive Publication Date: 2026-03-20HUNAN ZHONGMING TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-10
Publication Date
2026-03-20

AI Technical Summary

Technical Problem

Existing ultrasonic testing devices are difficult to adjust quickly to match various pipe diameters, resulting in low testing efficiency. Furthermore, the uneven speed of the testing equipment when moving at the weld seam leads to deviations in the testing data.

Method used

An ultrasonic measuring instrument comprising two semi-rings and multiple partitions was designed. Pipes of different diameters are clamped by a combination of push rods and compression springs, and the uniform movement of the carrier plate is achieved by guide rails and slides, ensuring the fit and uniform rotation of the ultrasonic probe with the pipe weld.

Benefits of technology

It enables rapid adaptation to clamping of different pipe diameters and uniform speed detection of ultrasonic probes, improving detection efficiency and data accuracy.

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Abstract

The utility model relates to the technical field of ultrasonic detection equipment, and discloses an ultrasonic measuring instrument for pipeline detection, which comprises two semi-ring bodies, a plurality of separation blocks are fixedly mounted in the two semi-ring bodies respectively, ejector rods are mounted in the separation blocks in a penetrating manner, first fixing seats are fixedly mounted at one ends of the two semi-ring bodies respectively, and second fixing seats are fixedly mounted at the other ends of the two semi-ring bodies respectively. One end of each semi-ring body is fixedly provided with a first fixing seat, the other end of each semi-ring body is fixedly provided with a second fixing seat, the two first fixing seats are rotationally connected through a connecting shaft, a ball seat is rotationally installed in one second fixing seat, a first locking bolt is in threaded connection with the interior of the ball seat, and first semicircular plates are fixedly installed on one sides of the two semi-ring bodies. The two semi-ring bodies are rotationally connected through the first fixing base and can be matched with the ejector rods in the multiple separation blocks to quickly clamp pipelines with different diameters, so that the carrier plate does circumferential motion on the two guide rails, and the carrier plate can be matched with the mounting rod and the ultrasonic probe to detect the welding seam of the pipeline at a constant speed; and the detection efficiency and the accuracy of detection data are improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to ultrasonic detection equipment technical field, especially a kind of ultrasonic measuring instrument for pipeline detection. BACKGROUND

[0002] In modern industrial field, pipeline system is widely used in petroleum, chemical industry, energy transmission and many key industries, and the quality of pipe weld directly concerns the safety and stability of the whole pipeline system, once weld defect occurs, it can cause leakage, explosion and other serious accidents, causing huge economic losses and casualties, so it is very important to accurately and efficiently detect pipe weld;

[0003] At present, traditional pipe weld detection mostly uses ultrasonic detection method, and existing ultrasonic detection device adopts fixed structure, which is difficult to quickly adjust to match various pipe diameters, and when replacing detection pipeline specifications, a lot of time is spent on reinstallation and debugging, and part of it still uses manual handheld equipment to detect pipe weld, which greatly reduces detection efficiency, and moreover, in the detection process of traditional detection method, detection equipment is difficult to realize uniform and stable motion, and when detection device moves at weld, speed is uneven, which can cause detection data deviation and cannot accurately reflect the real quality of weld. UTILITARIAN CONTENT

[0004] The utility model aims at providing a kind of ultrasonic measuring instrument for pipeline detection, which can effectively solve the problems in the background art.

[0005] To achieve the above-mentioned purpose, the technical scheme adopted by the utility model is as follows:

[0006] An ultrasonic measuring instrument for pipeline detection, comprising two half rings, a plurality of partition blocks are fixedly installed in each of the two half rings, a top rod is inserted and installed in the partition block, one end of each of the two half rings is fixedly installed with a first fixed seat, and the other end is fixedly installed with a second fixed seat, the two first fixed seats are rotatably connected by a connecting shaft, a ball seat is rotatably installed in one of the second fixed seats, a first locking bolt is threadedly connected in the ball seat, a first semicircular plate is fixedly installed on one side of each of the two half rings, a second semicircular plate is fixedly installed on one side of the first semicircular plate, a carrier plate is movably installed on the second semicircular plate, a shaft seat is fixedly installed on the carrier plate, an installation rod is inserted and installed in the shaft seat, a bracket is fixedly installed on the lower end of the installation rod, an ultrasonic probe is fixedly installed on the bracket close to the installation rod, and the ultrasonic probe is electrically connected to a detection terminal through a connecting cable.

[0007] As a further optimization scheme of the utility model, one end of the ejector rod is inserted and installed with a bolt, the other end of the ejector rod is fixedly installed with a rubber block, a compression spring is further sleeved on the outer side of the ejector rod, one end of the compression spring abuts against the rubber block, the other end of the compression spring abuts against the partition block, the ejector rod is arranged in the plurality of partition blocks in the two half ring bodies, and the two half ring bodies can be clamped on the outer side of the pipeline with different diameters by the action force of the compression spring.

[0008] As a further optimization scheme of the utility model, two guide rails are fixedly installed on the outer side of the second half circular plate, a group of first half circular plates and second half circular plates are arranged on one side of the two half ring bodies, and the guide rails on the outer side of the second half circular plate can provide guided movement for the carrier plate.

[0009] As a further optimization scheme of the utility model, a sliding groove is formed in one side of the carrier plate, the carrier plate is slidably connected to the second half circular plate through the sliding groove and is limited and guided through the guide rail.

[0010] As a further optimization scheme of the utility model, the second locking bolt is threadedly connected in the shaft seat, the ultrasonic probe is installed below the carrier plate through the mounting rod, the mounting rod is inserted in the shaft seat and can adjust the installation height through the second locking bolt, so as to adjust the installation height of the ultrasonic probe, and the carrier plate moves circumferentially along the path of the two second half circular plates through the sliding groove, so that the ultrasonic probe is attached to the pipeline welding position and rotates at a uniform speed.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] In the utility model, the two half ring bodies are rotationally connected through the first fixed seat, and the ejector rods in the plurality of partition blocks can be quickly clamped on the pipelines with different diameters, so that the carrier plate moves circumferentially on the two guide rails, and the welding seam of the pipeline can be detected at a uniform speed by the mounting rod and the ultrasonic probe, so that the detection efficiency and the accuracy of the detection data are improved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a schematic view of the main structure of the utility model;

[0014] Figure 2 It is an expanded schematic view of the main structure of the utility model;

[0015] Figure 3 It is Figure 1 It is an enlarged view of A in the middle;

[0016] Figure 4 It is Figure 2 It is an enlarged view of B in the middle;

[0017] Figure 5The utility model discloses a connecting structure of the carrier plate and the mounting rod, ultrasonic probe.

[0018] In the figure: 1, half ring body; 2, partition block; 3, ejector rod; 4, first fixed seat; 5, connecting shaft; 6, second fixed seat; 7, ball seat; 8, first locking bolt; 9, first semicircular plate; 10, second semicircular plate; 11, carrier plate; 12, shaft seat; 13, mounting rod; 14, support; 15, ultrasonic probe; 16, rubber block; 17, compression spring; 18, guide rail; 19, sliding slot; 20, second locking bolt. DETAILED DESCRIPTION

[0019] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0020] As Figures 1-5 shown, the utility model provides a kind of ultrasonic measuring instrument for pipeline detection, including two half ring bodies 1, multiple partition blocks 2 are respectively fixedly installed in two half ring bodies 1, ejector rod 3 is installed in partition block 2, one end of two half ring bodies 1 is respectively fixedly installed with first fixed seat 4, another end is respectively fixedly installed with second fixed seat 6, and the first fixed seat 4 between two is rotatably connected by connecting shaft 5, one of second fixed seat 6 is rotatably installed with ball seat 7, first locking bolt 8 is screw-connected in ball seat 7, first semicircular plate 9 is fixedly installed on one side of two half ring bodies 1, second semicircular plate 10 is fixedly installed on the one side of first semicircular plate 9, carrier plate 11 is movably installed on second semicircular plate 10, shaft seat 12 is fixedly installed on carrier plate 11, mounting rod 13 is installed in shaft seat 12, support 14 is fixedly installed on the lower end of mounting rod 13, ultrasonic probe 15 is fixedly installed on the support 14 close to mounting rod 13, and ultrasonic probe 15 is electrically connected with detection terminal by connecting cable.

[0021] As Figures 1-2 、 Figure 4 shown, one end of ejector rod 3 is inserted and installed with latch, the other end of ejector rod 3 is fixedly installed with rubber block 16, compression spring 17 is additionally sleeved on the outside of ejector rod 3, one end of compression spring 17 is abutted on rubber block 16, the other end of compression spring 17 is abutted on partition block 2, ejector rod 3 is arranged in multiple partition blocks 2 in two half ring bodies 1, and the two half ring bodies 1 can be clamped on the outside of pipe of different diameters by the action force of compression spring 17.

[0022] As Figures 1-5As shown, two guide rails 18 are fixedly installed outside the second semicircular plate 10, a group of first semicircular plates 9 and second semicircular plates 10 are arranged on one side of the two half ring bodies 1, and the guide rails 18 outside the second semicircular plates 10 can provide guided movement for the carrier plate 11, a sliding groove 19 is formed on one side of the carrier plate 11, the carrier plate 11 is slidably connected to the second semicircular plate 10 through the sliding groove 19 and is limited and guided by the guide rails 18, the second locking bolt 20 is threadedly connected in the shaft seat 12, the ultrasonic probe 15 is installed below the carrier plate 11 through the mounting rod 13, the mounting rod 13 penetrates into the shaft seat 12 and can be adjusted in height by the second locking bolt 20, so as to adjust the installation height of the ultrasonic probe 15, and the carrier plate 11 can move circumferentially along the path of the two second semicircular plates 10 through the sliding groove 19, so that the ultrasonic probe 15 can be attached to the pipe welding position and rotate at a uniform speed.

[0023] It should be noted that the utility model is an ultrasonic measuring instrument for pipe detection, when two sections of pipes are installed on the support device and welded, the two half ring bodies 1 can be rotated and wrapped around the pipe outside near the welding seam through the first fixing seat 4, when the two half ring bodies 1 are wrapped around the pipe outside, the rubber blocks 16 at one end of the plurality of jacks 3 first contact the pipe, then the jacks 3 are moved in the partition block 2 according to the diameter of the pipe, and the rubber blocks 16 compress the compression springs 17 to one side of the partition block 2, then the first locking bolt 8 is rotated in one of the second fixing seats 6 with the ball seat 7 as the axis, and the other end of the first locking bolt 8 is clamped into the other second fixing seat 6, then the first locking bolt 8 is rotated in the ball seat 7, so that the two half ring bodies 1 can be clamped on the pipe outside, then the detector is connected to the ultrasonic probe 15 through the connecting cable, and one end of the ultrasonic probe 15 abuts against the welding seam, then one end of the mounting rod 13 is held, so that the mounting rod 13 drives the carrier plate 11 to move, so that the carrier plate 11 moves circumferentially along the path of the two guide rails 18 through the sliding groove 19 on one side, so that the ultrasonic probe 15 moves at a uniform speed along the pipe welding seam, and the detection of the pipe welding seam is realized.

[0024] The basic principle and main features of the utility model and the advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model, and various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. An ultrasonic measuring instrument for pipeline inspection, characterized in that: The device includes two semi-ring bodies (1), each containing a plurality of partition blocks (2). A top rod (3) is inserted into each partition block (2). A first fixing seat (4) is fixedly installed at one end of each semi-ring body (1), and a second fixing seat (6) is fixedly installed at the other end. The two first fixing seats (4) are rotatably connected by a connecting shaft (5). A ball seat (7) is rotatably installed within one of the second fixing seats (6), and a first locking bolt (8) is threaded into the ball seat (7). One side of each semi-ring body (1)... A first semicircular plate (9) is fixedly installed on each of the first semicircular plates (9). A second semicircular plate (10) is fixedly installed on one side of the first semicircular plate (9). A carrier plate (11) is movably installed on the second semicircular plate (10). A bearing seat (12) is fixedly installed on the carrier plate (11). An installation rod (13) is inserted into the bearing seat (12). A bracket (14) is fixedly installed at the lower end of the installation rod (13). An ultrasonic probe (15) is fixedly installed on the bracket (14) near the installation rod (13). The ultrasonic probe (15) is electrically connected to the detection terminal through a connecting cable.

2. The ultrasonic measuring instrument for pipeline inspection according to claim 1, characterized in that: One end of the top rod (3) is inserted with a pin, and the other end of the top rod (3) is fixedly installed with a rubber block (16). A compression spring (17) is also fitted on the outside of the top rod (3), and one end of the compression spring (17) abuts against the rubber block (16), and the other end of the compression spring (17) abuts against the partition block (2).

3. The ultrasonic measuring instrument for pipeline inspection according to claim 1, characterized in that: Two guide rails (18) are fixedly installed on the outer side of the second semicircular plate (10).

4. An ultrasonic measuring instrument for pipeline inspection according to claim 3, characterized in that: The carrier plate (11) has a groove (19) on one side. The carrier plate (11) is slidably connected to the second semicircular plate (10) through the groove (19) and is limited and guided by the guide rail (18).

5. An ultrasonic measuring instrument for pipeline inspection according to claim 4, characterized in that: The bearing seat (12) is internally threaded with a second locking bolt (20).