Non-contact oil pipe end flaw detector

Abstract

The utility model discloses a non-contact type oil pipe end flaw detector, which relates to the technical field of oil pipe flaw detection and comprises a supporting box, a supporting assembly is mounted at the top of the supporting box and comprises a telescopic rod mounted at the top of the supporting box, and a supporting box is mounted at the top end of the telescopic rod. A guide groove is formed in the bottom wall of the inner side of the supporting box, an electric adjusting rod is installed on the inner wall of one side of the supporting box in a penetrating mode, a moving table is installed at one end of the electric adjusting rod, moving wheels are connected to the bottom of the moving table through bearing seats, and the moving wheels roll on the inner side of the guide groove. The supporting box fixes the supporting assembly at the top, stability of the supporting assembly is guaranteed, the telescopic rod in the supporting assembly is fixed to the top of the supporting box, the telescopic rod stretches and retracts to drive the supporting box at the top end to adjust the height, and a user can conveniently adjust the detection height according to needs.

Description

Technical Field

[0001] The utility model relates to the technical field of oil pipe flaw detection, in particular to a non-contact oil pipe end flaw detector. Background Art

[0002] After the oil pipe is produced, in order to ensure the quality of the oil pipe, it is necessary to conduct flaw detection on the oil pipe to determine whether the oil pipe has a strong structure.

[0003] Patent document: CN219302316U Flaw detector, including a flaw detector and a wiring head, a fixed component is arranged on the outside of the flaw detector, a first point and a second point are arranged on the outside of the fixed component, a rotationally adjustable limit component is arranged on the outside of the flaw detector, a support rod extending to one end of the flaw detector is installed on the inside of the limit component, and a sliding component is arranged on the end of the support rod away from the flaw detector. The utility model cooperates with the sleeve, the fixed groove and the card slot through the support rod, the first outer ring groove, the bottom plate and the universal wheel.

[0004] The existing flaw detector lacks a structure for assisting in adjusting the height of the flaw detection mechanism, and the device is relatively inconvenient to use. Utility Model Content

[0005] The utility model aims to provide a non-contact oil pipe end flaw detector, which can solve the technical problems that the flaw detector in the prior art lacks a structure for assisting in adjusting the height of the flaw detection mechanism and the device is relatively troublesome to use.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a non-contact oil pipe end flaw detector, comprising a support box, a support assembly is installed on the top of the support box, the support assembly comprises a telescopic rod installed on the top of the support box, a support box is installed on the top of the telescopic rod, a guide groove is installed on the inner bottom wall of the support box, an electric adjustment rod is installed through the inner wall of one side of the support box, a moving platform is installed on one end of the electric adjustment rod, the bottom of the moving platform is connected to a moving wheel through a bearing seat, and the moving wheel rolls on the inner side of the guide groove.

[0007] Preferably, a chassis is installed at the rear end of the support box, a rotating seat is installed at the top end of the chassis, a supporting arm is installed at the front end of the rotating seat, and a controller is installed at the front end of the supporting arm.

[0008] Preferably, a magnetic flaw detection assembly is installed on the top of the movable platform, and the magnetic flaw detection assembly includes a mounting frame installed on the top of the movable platform, and an internally controlled magnetization axis is installed on the top of the mounting frame.

[0009] Preferably, a closed-circuit magnetic yoke is installed on the top of the movable platform, and the closed-circuit magnetic yoke is located on one side of the mounting frame. An axial magnetizing shaft is installed through the front and back sides of the closed-circuit magnetic yoke, and a circumferential magnetizing coil is installed on the outer side of the axial magnetizing shaft.

[0010] Preferably, a support base is installed on the top of the moving platform, and a longitudinal magnetization coil is installed on the top of the support base.

[0011] Preferably, the two groups of longitudinal magnetization coils are fixedly connected to the circumferential magnetization coils.

[0012] Preferably, a mounting rod is installed on the top of the rear group of axial magnetic induction shafts, and a lighting lamp is installed on one end of the mounting rod.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model fixes the top support assembly by installing a telescopic rod and a support box to ensure the stability of the support assembly. The telescopic rod in the support assembly is fixed to the top of the support box. The extension and contraction of the telescopic rod drives the top support box to adjust the height, which is convenient for users to adjust the detection height according to needs.

[0015] 2. The utility model is equipped with an internally controlled magnetizing shaft and a longitudinal magnetizing coil. The internally controlled magnetizing shaft is inserted into the inner side of the oil pipe to generate magnetic force. The mobile platform fixes the closed-circuit magnetic yoke on the top. The closed-circuit magnetic yoke supports the axial magnetizing shaft. The axial magnetizing shaft fixes the circumferential magnetizing coil on the outside. The circumferential magnetizing coil is energized to generate magnetic force to detect the oil pipe. The mobile platform fixes the support seat. The support seat fixes the longitudinal magnetizing coil on the top. The longitudinal magnetizing coil is circular and is used to be sleeved on the outside of the oil pipe. The end of the oil pipe is inspected by the magnetic field to avoid direct contact between the device and the oil pipe, so as to prevent sparks and burns on the surface of the workpiece due to poor contact. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 It is a side structural schematic diagram of the utility model;

[0018] Figure 3 This is a schematic diagram of the limit plate structure of the utility model;

[0019] Figure 4 This is a schematic diagram of the lifting plate structure of the utility model;

[0020] Figure 5 It is a schematic diagram of the telescopic rod structure of the utility model.

[0021] In the figure: 1. support box; 2. connecting seat; 3. adjusting rod; 4. placing table; 5. limiting plate; 6. heat sealing strip; 7. movable cavity; 8. guide wheel; 9. moving block; 10. guide groove; 11. connecting block; 12. adjusting plate; 13. connecting rod; 14. fastener; 15. movable mouth; 16. supporting shell; 17. driving motor; 18. threaded rod; 19. lifting ring; 20. lifting plate; 21. telescopic rod; 22. connecting plate; 23. heating seat; 24. placing frame; 25. receiving box; 26. roller. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0024] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] See also Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5A non-contact oil pipe end flaw detector comprises a support box 1, a support assembly is installed on the top of the support box 1, the support assembly comprises a telescopic rod 2 installed on the top of the support box 1, a support box 3 is installed on the top of the telescopic rod 2, a guide groove 4 is installed on the inner bottom wall of the support box 3, an electric adjustment rod 5 is installed through the inner wall of one side of the support box 3, a moving platform 6 is installed at one end of the electric adjustment rod 5, a moving wheel 19 is connected to the bottom of the moving platform 6 through a bearing seat, and the moving wheel 19 rolls on the inner side of the guide groove 4;

[0026] The support box 1 fixes the support assembly on the top to ensure the stability of the support assembly. The telescopic rod 2 in the support assembly is fixed on the top of the support box 1. The extension and contraction of the telescopic rod 2 drives the support box 3 on the top to adjust the height, which is convenient for the user to adjust the detection height according to needs. The support box 3 fixes the inner guide groove 4, and the guide groove 4 limits the inner moving wheel 19. The support box 3 fixes the inner electric adjustment rod 5, and the electric adjustment rod 5 is extended and retracted to drive the moving platform 6 to move. The moving platform 6 is supported by the moving wheel 19 to ensure that the moving platform 6 can move smoothly. The smooth left and right movement of the moving platform 6 drives the top flaw detection assembly to move smoothly, which is convenient for the flaw detection assembly to be sleeved on the outside of the oil pipe end for flaw detection of the oil pipe end.

[0027] A chassis 7 is installed at the rear end of the support box 1, a rotating seat is installed at the top of the chassis 7, a support arm 8 is installed at the front end of the rotating seat, and a controller 9 is installed at the front end of the support arm 8. The chassis 7 supports the rotating seat on the top, and the rotation of the rotating seat drives the support arm 8 to adjust the angle. The angle adjustment of the support arm 8 drives the controller 9 to move, and the worker controls the operation of the device through the controller 9.

[0028] A magnetization flaw detection assembly is installed on the top of the movable platform 6, and the magnetization flaw detection assembly includes a mounting frame 10 mounted on the top of the movable platform 6, an internally controlled magnetization axis 11 is installed on the top of the mounting frame 10, a closed-circuit magnetic yoke 12 is installed on the top of the movable platform 6, and the closed-circuit magnetic yoke 12 is located on one side of the mounting frame 10, and an axial magnetization axis 16 is installed through the front and back of the closed-circuit magnetic yoke 12, and a circumferential magnetization coil 15 is installed on the outer side of the axial magnetization axis 16, a support seat 13 is installed on the top of the movable platform 6, and a longitudinal magnetization coil 14 is installed on the top of the support seat 13, and the two groups of the longitudinal magnetization coils 14 are fixedly connected to the circumferential magnetization coil 15;

[0029] The movable platform 6 fixes the magnetization flaw detection assembly on the top, and the mounting frame 10 in the magnetization flaw detection assembly is fixed on the top of the movable platform 10. The mounting frame 10 fixes the internal control magnetization shaft 11 on the top, and the internal control magnetization shaft 11 is inserted into the inner side of the oil pipe to generate magnetic force. The movable platform 6 fixes the closed-circuit magnetic yoke 12 on the top, and the closed-circuit magnetic yoke 12 supports the axial magnetization shaft 16. The axial magnetization shaft 16 fixes the circumferential magnetization coil 15 on the outside, and the circumferential magnetization coil 15 is energized to generate magnetic force to detect the oil pipe. The movable platform 6 fixes the support seat 13, and the support seat 13 fixes the longitudinal magnetization coil 14 on the top. The longitudinal magnetization coil 14 is circular and is used to be sleeved on the outside of the oil pipe. The end of the oil pipe is inspected through the magnetic field to avoid direct contact between the device and the oil pipe, and to prevent poor contact from sparking and burning the surface of the workpiece.

[0030] A mounting rod 17 is installed on the top of the rear group of axial magnetic shafts 16, and a lighting lamp 18 is installed on one end of the mounting rod 17. The axial magnetic shaft 16 fixes the mounting rod 17 on the top, and the mounting rod 17 supports the lighting lamp 18, which is convenient for workers to penetrate the outer surface of the oil pipe.

[0031] Working principle: the electric adjustment rod 5 is extended and retracted to drive the moving platform 6 to move. The moving platform 6 is supported by the moving wheel 19 to ensure that the moving platform 6 can move smoothly. The moving platform 6 moves smoothly left and right to drive the flaw detection component on the top to move smoothly, so that the flaw detection component can be sleeved on the outside of the oil pipe end for flaw detection of the oil pipe end. The internal control magnetization shaft 11 is inserted into the inner side of the oil pipe to generate magnetic force. The moving platform 6 fixes the closed-circuit magnetic yoke 12 on the top. The closed-circuit magnetic yoke 12 supports the axial magnetization shaft 16. The axial magnetization shaft 16 fixes the circumferential magnetization coil 15 on the outside. The circumferential magnetization coil 15 is energized to generate magnetic force to detect the oil pipe. The moving platform 6 fixes the support seat 13. The support seat 13 fixes the longitudinal magnetization coil 14 on the top. The longitudinal magnetization coil 14 is circular and is used to be sleeved on the outside of the oil pipe to detect the flaw of the oil pipe end through the magnetic field.

[0032] It is obvious 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 features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A non-contact oil pipe end flaw detector, characterized in that: The invention comprises a support box (1), the top of which is provided with a support assembly, the support assembly comprising a telescopic rod (2) installed on the top of the support box (1), a support box (3) installed on the top of the telescopic rod (2), the inner bottom wall of the support box (3) being provided with a guide groove (4), an electric adjustment rod (5) being installed through the inner wall of one side of the support box (3), a moving platform (6) being installed at one end of the electric adjustment rod (5), the bottom of the moving platform (6) being connected with a moving wheel (19) via a bearing seat, and the moving wheel (19) rolling on the inner side of the guide groove (4).

2. The non-contact oil pipe end flaw detector according to claim 1 is characterized in that: A chassis (7) is installed at the rear end of the support box (1), a rotating seat is installed at the top end of the chassis (7), a support arm (8) is installed at the front end of the rotating seat, and a controller (9) is installed at the front end of the support arm (8).

3. The non-contact oil pipe end flaw detector according to claim 1 is characterized in that: A magnetization flaw detection component is installed on the top of the mobile platform (6), and the magnetization flaw detection component comprises a mounting frame (10) installed on the top of the mobile platform (6), and an internally controlled magnetization axis (11) is installed on the top of the mounting frame (10).

4. The non-contact oil pipe end flaw detector according to claim 1, characterized in that: A closed-circuit magnetic yoke (12) is installed on the top of the movable platform (6), and the closed-circuit magnetic yoke (12) is located on one side of the mounting frame (10). An axial magnetizing shaft (16) is installed through the front and back sides of the closed-circuit magnetic yoke (12), and a circumferential magnetizing coil (15) is installed on the outer side of the axial magnetizing shaft (16).

5. The non-contact oil pipe end flaw detector according to claim 1 is characterized in that: A support base (13) is installed on the top of the moving platform (6), and a longitudinal magnetization coil (14) is installed on the top of the support base (13).

6. The non-contact oil pipe end flaw detector according to claim 5, characterized in that: The two groups of longitudinal magnetizing coils (14) are fixedly connected to the circumferential magnetizing coil (15).

7. The non-contact oil pipe end flaw detector according to claim 4 is characterized in that: A mounting rod (17) is installed on the top of the rear group of axial magnetizing shafts (16), and a lighting lamp (18) is installed on one end of the mounting rod (17).

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