Coupling flaw detector convenient for operation of nondestructive detection
Through the coordination of the limit column, positioning camera and telescopic rod, combined with the yoke coil and electrode, the precise positioning and non-destructive testing of the coupling flaw detector are achieved, which solves the problem of inconvenient detection in the existing technology and improves the accuracy and flexibility of detection.
Patent Information
- Application Number
- CN202422473190.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-09-09
- Estimated Expiration
- 2034-10-14
AI Technical Summary
The existing coupling flaw detector lacks a precise positioning structure, which makes detection inconvenient.
The limit column and positioning camera are used in conjunction with the control motor to drive the conveyor belt to rotate through the rotating shaft and rotating disk to achieve stable positioning of the workpiece. The telescopic rod and analyzer are moved and adjusted, and the magnetic field generated by the yoke coil and electrode is combined for non-destructive testing.
It improves the accuracy and stability of workpiece detection, facilitates the detection of different workpieces, and enhances the accuracy and flexibility of detection.
Smart Images

Figure CN223320345U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coupling flaw detectors, in particular to a coupling flaw detector which is convenient for operating non-destructive testing. Background Art
[0002] Conventional oil pipe couplings account for a significant portion of oil pipeline equipment. They typically feature internal threads machined into the inner wall of a steel pipe, which connect to the outer threads of the oil pipe, effectively connecting two sections of oil pipe. Coupling manufacturing typically involves the following steps: steel pipe material collection, pipe cutting, stripping, marking, boring, threading, cleaning, thread inspection, flaw detection, phosphating, and spraying. After production, couplings undergo quality testing.
[0003] Patent document CN213779960U discloses an automatic flaw detection system for pipe couplings, which discloses "an automatic flaw detection system for pipe couplings, comprising a feeding conveyor, a spraying device, a magnetizing device, a detection assembly and a demagnetizer connected in sequence, wherein the pipe coupling passes through the feeding conveyor, the spraying device, the magnetizing device, the detection assembly and the demagnetizer in sequence; the detection assembly comprises a power component; a light source component; and a machine vision camera; wherein the output end of the power component can be adjustably connected to the light source component and the machine vision camera, and the light source component is formed with a light source area covering and illuminating the pipe coupling."
[0004] However, the coupling flaw detector disclosed in the above-mentioned document lacks an accurate positioning structure inside, which makes it inconvenient for users to inspect workpieces. Utility Model Content
[0005] The purpose of the present invention is to provide a coupling flaw detector that is easy to operate for non-destructive testing, so as to solve the technical problem in the above-mentioned background technology that the coupling flaw detector lacks an accurate positioning structure inside, making it inconvenient for users to detect workpieces.
[0006] To achieve the above-mentioned object, the present invention provides the following technical solution: a coupling flaw detector that is easy to operate for non-destructive testing, comprising: a frame, a plurality of sets of rotating shafts mounted on the inner side of the frame, a rotating disk mounted on the outer side of the rotating shaft, a conveyor belt movably mounted on the outer side of the rotating disk, a plurality of sets of limiting columns mounted on the outer side of the conveyor belt, a support platform mounted on one side of the frame, a control motor mounted on the top of the support platform, and an output end of the control motor connected to one end of the rotating shaft;
[0007] A support frame is installed on the inner bottom wall of the frame, a telescopic rod is installed through the top of the support frame, an analyzer is installed on the bottom end of the telescopic rod, and a positioning camera is installed at the bottom of the analyzer.
[0008] Preferably, a support rod is installed at the bottom end of the analyzer, a probe is installed at the bottom end of the support rod, and the positioning camera and the support rod are spaced apart.
[0009] Preferably, two groups of symmetrically distributed support plates are installed at the bottom of the analyzer, and a fixing plate is installed on the outer wall of one side of the support plate.
[0010] Preferably, a support frame is installed at the bottom end of the fixing plate.
[0011] Preferably, an electric adjustment rod is installed through an inner wall of one side of the support frame, and an electrode is installed at one end of the electric adjustment rod.
[0012] Preferably, a yoke coil is installed on the other side of the support plate through a connector, a through-hole is opened on the inner side of the yoke coil, and the electrode passes through the inner side of the through-hole.
[0013] Preferably, a controller is installed on one side outer wall of the rack.
[0014] Compared with the prior art, the beneficial effects of the present invention are:
[0015] 1. The utility model installs limiting columns and positioning cameras to control the operation of the motor to drive the output end rotating shaft to rotate, the rotation of the rotating shaft drives the outer rotating disk to rotate, the rotation of the rotating disk drives the outer conveyor belt to rotate, and the conveyor belt drives the outer limiting columns to rotate. The two sets of limiting columns cooperate to limit the workpiece, ensuring the stability of the workpiece and facilitating and smoothly moving the workpiece. The analyzer fixes the bottom positioning camera, and the positioning camera shoots images downward to locate the passing workpiece, thereby improving the accuracy of workpiece detection;
[0016] 2. The utility model is equipped with a telescopic rod, and the support frame fixes the top telescopic rod. The extension of the telescopic rod drives the bottom analyzer to move up and down, which is convenient for users to adjust the analyzer according to needs and facilitate the detection of different workpieces. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is a schematic diagram of the frame structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the support frame structure of the present utility model;
[0019] Figure 3 This is a schematic diagram of the rotating shaft structure of the utility model;
[0020] Figure 4 This is a schematic diagram of the rotating disk structure of the present utility model.
[0021] In the figure: 1. Frame; 2. Rotating axis; 3. Rotating disk; 4. Conveyor belt; 5. Limiting column; 6. Control motor; 7. Support platform; 8. Support frame; 9. Telescopic rod; 10. Analyzer; 11. Support rod; 12. Probe; 13. Magnetic yoke coil; 14. Fixed plate; 15. Support frame; 16. Electrode; 17. Electric adjustment rod; 18. Controller; 19. Positioning camera. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," "the other end," and the like, indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the accompanying drawings and are intended solely to facilitate the description of this utility model and simplify the description. They are not intended to indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0024] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "provided with," "connected," etc., should be understood in a broad sense. For example, "connected" may refer to a fixed connection, a detachable connection, or an integral connection; it may refer to a mechanical connection or an electrical connection; it may refer to a direct connection or an indirect connection through an intermediate medium; it may refer to internal communication between two components. Those skilled in the art will be able to understand the specific meanings of the above terms in this utility model based on specific circumstances.
[0025] See also Figure 1 、 Figure 2 、 Figure 3 and Figure 4 A coupling flaw detector for easy operation of non-destructive testing comprises: a frame 1, several groups of rotating shafts 2 are installed on the inner side of the frame 1, a rotating disk 3 is installed on the outer side of the rotating shaft 2, a conveyor belt 4 is movably installed on the outer side of the rotating disk 3, several groups of limiting columns 5 are installed on the outer side of the conveyor belt 4, a support platform 7 is installed on one side of the frame 1, a control motor 6 is installed on the top of the support platform 7, and the output end of the control motor 6 is connected to one end of the rotating shaft 2;
[0026] The frame 1 supports the inner rotating shaft 2 to ensure that the rotating shaft 2 rotates smoothly. The rotating shaft 2 supports the outer rotating disk 3 to ensure that the rotating disk 3 can rotate smoothly. The rotating disk 3 limits the outer conveyor belt 4. The motor 6 is controlled to drive the output end rotating shaft 2 to rotate. The rotation of the rotating shaft 2 drives the outer rotating disk 3 to rotate. The rotation of the rotating disk 3 drives the outer conveyor belt 4 to rotate. The conveyor belt 4 drives the outer limiting column 5 to rotate. The two groups of limiting columns 5 cooperate to limit the workpiece, ensure the stability of the workpiece, and facilitate and smoothly drive the workpiece to move;
[0027] A support frame 8 is installed on the inner bottom wall of the frame 1, a telescopic rod 9 is installed through the top of the support frame 8, an analyzer 10 is installed on the bottom end of the telescopic rod 9, a positioning camera 19 is installed on the bottom end of the analyzer 10, a support rod 11 is installed on the bottom end of the support rod 11, a probe 12 is installed on the bottom end of the support rod 11, and the positioning camera 19 and the support rod 11 are spaced apart;
[0028] The frame 1 fixes the inner support frame 8 to ensure the stability of the support frame 8. The support frame 8 fixes the top telescopic rod 9. The extension of the telescopic rod 9 drives the bottom analyzer 10 to move up and down, so that the user can adjust the analyzer 10 according to needs and detect different workpieces. The analyzer 10 fixes the bottom positioning camera 19, and the positioning camera 19 takes images downward for positioning the passing workpiece. The analyzer 10 fixes the bottom support rod 11 to ensure the stability of the support rod 11. The bottom end of the support rod 11 is connected to the probe 12.
[0029] The analyzer 10 is provided with two sets of symmetrically distributed support plates. A fixing plate 14 is installed on the outer wall of one side of the support plate. A support frame 15 is installed at the bottom end of the fixing plate 14. An electric adjustment rod 17 is installed through the inner wall of one side of the support frame 15. An electrode 16 is installed at one end of the electric adjustment rod 17. A magnetic yoke coil 13 is installed on the other side of the support plate through a connector. A through-hole is opened on the inner side of the magnetic yoke coil 13, and the electrode 16 passes through the inner side of the through-hole.
[0030] The analyzer 10 fixes the bottom support plate to ensure the stability of the support plate. The support plate fixes the yoke coil 13 and the fixed plate 14 to ensure the smooth operation of the yoke coil 13 and the fixed plate 14. The support frame 15 fixes the electric adjustment rod 17 on one side to ensure the stability of the electric adjustment rod 17. The electric adjustment rod 17 extends to drive the electrode 16 at one end to move. The electrode 16 moves out from the inner side of the support frame 15. The electrode 16 passes through the inner side of the through-hole. The yoke coil 13 and the electrode 16 cooperate to generate a magnetic field when energized. The magnetic field passes through the workpiece, and the probe 12 detects internal scratches on the workpiece.
[0031] A controller 18 is installed on one side outer wall of the frame 1, and the controller 18 controls the operation of the equipment.
[0032] Working principle: the frame 1 fixes the inner support frame 8 to ensure the stability of the support frame 8, the support frame 8 fixes the top telescopic rod 9, the telescopic rod 9 extends to drive the bottom analyzer 10 to move up and down, the analyzer 10 fixes the bottom positioning camera 19, the positioning camera 19 takes images downward to locate the passing workpiece, the analyzer 10 fixes the bottom support rod 11 to ensure the stability of the support rod 11, the bottom end of the support rod 11 is connected to the probe 12, and the analyzer 10 fixes the bottom support plate. Ensure the stability of the support plate, the support plate fixes the yoke coil 13 and the fixed plate 14 to ensure the smooth operation of the yoke coil 13 and the fixed plate 14, the support frame 15 fixes the electric adjustment rod 17 on one side to ensure the stability of the electric adjustment rod 17, the electric adjustment rod 17 extends to drive one end of the electrode 16 to move, the electrode 16 moves out from the inner side of the support frame 15, the electrode 16 passes through the inner side of the through-hole, the yoke coil 13 and the electrode 16 cooperate to generate a magnetic field when energized, the magnetic field passes through the workpiece, and the probe 12 detects internal scratches of the workpiece.
[0033] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.
Claims
1. A coupling flaw detector that is easy to operate for non-destructive testing, characterized in that: include: A frame (1) is provided, wherein a plurality of rotating shafts (2) are installed on the inner side of the frame (1), a rotating disk (3) is installed on the outer side of the rotating shaft (2), a conveyor belt (4) is movably installed on the outer side of the rotating disk (3), and a plurality of limiting columns (5) are installed on the outer side of the conveyor belt (4); a support platform (7) is installed on one side of the frame (1), a control motor (6) is installed on the top of the support platform (7), and an output end of the control motor (6) is connected to one end of the rotating shaft (2); A support frame (8) is installed on the inner bottom wall of the frame (1), a telescopic rod (9) is installed through the top of the support frame (8), an analyzer (10) is installed at the bottom end of the telescopic rod (9), and a positioning camera (19) is installed at the bottom of the analyzer (10).
2. A coupling flaw detector that is easy to operate for non-destructive testing according to claim 1, characterized in that: A support rod (11) is installed at the bottom end of the analyzer (10), a probe (12) is installed at the bottom end of the support rod (11), and a positioning camera (19) and the support rod (11) are spaced apart.
3. The coupling flaw detector that is easy to operate for non-destructive testing according to claim 1, characterized in that: Two groups of symmetrically distributed support plates are installed at the bottom of the analyzer (10), and a fixing plate (14) is installed on one outer wall of the support plate.
4. The coupling flaw detector for convenient non-destructive testing according to claim 3, characterized in that: A support frame (15) is installed at the bottom end of the fixing plate (14).
5. The coupling flaw detector for convenient non-destructive testing according to claim 2, characterized in that: An electric adjustment rod (17) is installed through the inner wall of one side of the support frame (15), and an electrode (16) is installed at one end of the electric adjustment rod (17).
6. The coupling flaw detector for convenient non-destructive testing according to claim 3, characterized in that: A yoke coil (13) is installed on the other side of the support plate through a connecting piece. A through-hole is provided on the inner side of the yoke coil (13), and an electrode (16) passes through the inner side of the through-hole.
7. The coupling flaw detector for convenient non-destructive testing according to claim 1, characterized in that: A controller (18) is installed on one side outer wall of the frame (1).
Citation Information
Patent Citations
Automatic flaw detection system for pipeline coupling
CN213779960U