Fixed mounting rack for eddy current detection
By designing a fixed mounting frame for eddy current detection, including a mounting head, pitch adjustment mechanism and length adjustment mechanism, the problems of inconvenient installation and poor stability of the detection probe in the prior art are solved, and a more efficient and flexible detection process is achieved.
Patent Information
- Application Number
- CN202421041076.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-14
- Publication Date
- 2025-03-28
- Estimated Expiration
- 2034-05-14
AI Technical Summary
In the existing eddy current detection technology, the installation and adjustment of the detection probe are inconvenient, resulting in poor detection stability. Especially during multi-point measurement and climbing inspection, the physical strength requirements for the detectors are high, and the flexibility of angle adjustment is limited.
A fixed mounting frame for eddy current detection is designed, including a mounting head, a pitch adjustment mechanism, a length adjustment mechanism and a mounting seat. Through the pitch adjustment mechanism and a length adjustment mechanism, it is convenient to quickly install, disassemble and adjust the position and angle of the detection probe.
It improves the convenience and stability of installation and adjustment of the detection probe, reduces the physical strength requirements for the detector, and enhances the flexibility and applicability of the detection.
Smart Images
Figure CN222689690U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the field of oil and gas equipment safety detection, in particular to a fixed mounting frame for eddy current detection. Background Art
[0002] At present, the theoretical system and technology of oil pipe defect detection have been relatively mature and widely used in actual production. The main non-destructive testing methods for oil pipe defect detection include magnetic particle testing, magnetic flux leakage testing, eddy current testing and ultrasonic testing. Among them, eddy current testing is suitable for detecting surface and near-surface defects. Under existing technical conditions, the detection probe used in eddy current testing is manually held by a person or installed on a mechanical arm and close to the part to be tested, and kept for a certain period of time to obtain feedback signals. During daily testing, the stability of the inspector's manual holding is affected by many factors. When measuring multiple points, the physical strength requirements of the personnel are high, especially when climbing for testing. While paying attention to safety production regulations, the stability should be improved as much as possible, which places high requirements on the inspector. The existing detection probe mounting frame is fixed on the detection equipment, with limited flexibility in angle adjustment. It is inconvenient to disassemble the detection probe by clamping the bolt, nut or clamp. Therefore, an auxiliary device for eddy current testing is needed to help the inspector to conveniently fix and adjust the detection probe. Utility Model Content
[0003] The utility model aims at the deficiencies in the prior art and provides a fixed mounting frame for eddy current detection, wherein the fixed mounting frame comprises a mounting head, a pitch adjustment mechanism, a length adjustment mechanism and a mounting seat, wherein the bottom of the mounting head is rotatably connected to the pitch adjustment mechanism, the pitch adjustment mechanism is fixedly connected to the top of the length adjustment mechanism, the bottom of the length adjustment mechanism is fixedly connected to the mounting seat, the mounting head comprises a mounting head bracket, a mounting ring is arranged at the rear of the mounting head bracket, a clamping mechanism is arranged in the mounting ring, and the clamping mechanism comprises a clamping sheet.
[0004] Preferably, the mounting head further comprises a limit support, a flexible limit clamp and a clamping mechanism; the limit support is fixedly mounted on the front upper surface of the mounting head bracket; the limit support is semi-annular with an upper opening; and a flexible limit clamp is fixedly disposed inside the limit support.
[0005] Preferably, a mounting groove is provided at the bottom of the mounting ring, the front end of the clamping piece is fixed in the mounting groove, and the rear end of the clamping piece is tilted toward the inside of the mounting ring.
[0006] Preferably, a rotation axis hole is provided at the bottom of the mounting head bracket, and the pitch adjustment mechanism is rotatably sleeved with the mounting head bracket through the rotation axis hole.
[0007] Preferably, the pitch adjustment mechanism comprises a rotation module and a limit module, the rotation module drives the pitch adjustment mechanism to rotate, and the rotation module comprises a housing, a rotating screw and a nut.
[0008] Preferably, the limit module includes a return spring, an abutment plate, an adjusting gear ring and a positioning gear ring. The rear end face of the adjusting gear ring is provided with a toothed clamping protrusion, and the front end face of the positioning gear ring is provided with a toothed clamping protrusion. The adjusting gear ring and the positioning gear ring are sleeved on the rotating screw through their respective center holes. The tooth surfaces of the adjusting gear ring and the positioning gear ring are arranged facing each other, and the limit module limits the position after each rotation and adjustment and no longer changes.
[0009] Preferably, the positioning tooth ring is provided with a radial positioning hole, the positioning hole is a square hole, and the length adjustment mechanism is inserted and fixed in the positioning hole.
[0010] Preferably, the rotating screw is sleeved with the rotating shaft hole at the bottom of the mounting head bracket, the rear part of the rotating screw abuts against the abutment plate through a nut, a spring limiting groove is provided at the rear part of the positioning gear ring, one end of the return spring abuts against the front of the abutment plate, and the other end abuts against the spring limiting groove, and the adjusting gear ring is embedded in the lower part of the mounting head bracket through two columnar protrusions fixed at its front end and rotates coaxially with the mounting head bracket.
[0011] Preferably, the length adjustment mechanism includes a positioning rod, a threaded adjustment rod, a threaded ring, a guide ring and a length adjustment handle. The bottom of the positioning rod is fixed to the upper surface of the mounting seat by screws, a threaded ring is provided on the upper top of the positioning rod, the threaded adjustment rod is threadedly connected to the threaded ring, the length adjustment handle is connected to the outside of the positioning rod, and the length adjustment handle is fixedly connected to the upper part of the threaded adjustment rod by screws. When the length adjustment handle is rotated, the threaded adjustment rod rotates synchronously.
[0012] Preferably, the mounting seat includes a mounting ring and an adjustment half ring, the mounting ring is cylindrical and has notches at both ends, a through groove is provided at the bottom of the mounting ring, a pad is provided on the inner side of the through groove, the two adjustment half rings are symmetrically arranged at the corresponding notches at both ends of the mounting ring, the outer wall of the adjustment half ring is provided with an adjustment hole, the adjustment hole is an oblong hole, a step surface is provided in the adjustment hole, a limiting plate matching and snapping with the step surface is also provided in the adjustment half ring, and a through hole is provided on the limiting plate.
[0013] Compared with the prior art, the beneficial effects of the utility model are: the pitch posture of the detection probe is adjusted by setting a pitch adjustment mechanism; a quick-release structure is provided on the pitch adjustment mechanism, which is convenient for quick installation and removal of the detection probe; a length adjustment mechanism is provided to gradually adjust the position height of the detection probe frame within a certain range; a mounting seat whose size can be adaptively adjusted within a certain range is provided, so that the detection bracket can be fixed on cross bars of various sizes, thereby improving applicability. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be discussed below. Obviously, the technical solutions described in conjunction with the drawings are only some embodiments of the utility model. For ordinary technicians in this field, other embodiments and their drawings can be obtained based on the embodiments shown in these drawings without paying creative work.
[0015] Figure 1 The utility model is a structural schematic diagram of a fixed mounting frame for eddy current detection in use state.
[0016] Figure 2 The utility model is a schematic diagram of the installation structure of a fixed installation frame for eddy current detection.
[0017] Figure 3 The utility model is a three-dimensional structural schematic diagram of a fixed mounting frame for eddy current detection.
[0018] Figure 4 The utility model is a side structural schematic diagram of a fixed mounting frame for eddy current detection.
[0019] Figure 5 The utility model is a partial cross-sectional structural schematic diagram of a fixed mounting frame for eddy current detection.
[0020] Figure 6 The utility model is a schematic diagram of the pitch adjustment mechanism structure of a fixed mounting frame for eddy current detection.
[0021] Figure 7 The utility model discloses an exploded diagram of the parts of a pitch adjustment mechanism of a fixed mounting frame for eddy current detection.
[0022] Figure 8 The utility model discloses an exploded view of a mounting seat part of a fixed mounting frame for eddy current detection.
[0023] In the figure: 1-lifting platform, 11-support column, 12-equipment frame, 13-rotating shaft, 2-mounting head bracket, 21-limiting support, 22-flexible limiting clamp, 23-clamping plate, 3-housing, 31-rotating screw, 32-return spring, 33-abutment plate, 34-nut, 35-adjusting gear ring, 36-positioning gear ring, 37-positioning hole, 4-positioning rod, 41-threaded adjustment rod, 42-threaded ring, 43-guide ring, 44-length adjustment handle, 5-mounting ring, 51-pad, 52-adjusting half ring, 53-adjusting hole, 54-limiting plate. DETAILED DESCRIPTION
[0024] The following will be combined with the accompanying drawings to clearly and completely describe the technical solutions of the various 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 described 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.
[0025] The embodiment of the utility model provides a fixed mounting frame for eddy current detection, which can be fixed on the equipment frame 12 and temporarily fix the detection probe of the eddy current detection device. Furthermore, the angle of the detection probe can be adjusted to adapt to the curved surface of the detected pipeline.
[0026] like Figures 1 to 8 As shown, the detection device includes a lifting platform 1, a support column 11, an equipment frame 12, a detection device and a fixed mounting frame. The lifting platform 1 is an electrically driven scissor-type hydraulic lifting platform 1, and a loading platform is arranged on the top of the lifting platform 1, and guardrails are arranged around the loading platform. A support column 11 is fixedly arranged on the upper surface of the loading platform. Four sets of universal wheels are arranged at the bottom of the lifting platform 1. The lifting platform 1 is a prior art and will not be described in detail in this article. The support frame is rotatably connected to the equipment frame 12, and a rotating shaft 13 is arranged on the upper part of the support column 11, and one end of the equipment frame 12 is sleeved on the rotating shaft 13. The equipment frame 12 is hinged with two groups of Japanese-shaped frames. A detection equipment mounting base is also arranged on the equipment frame 12, and the detection equipment mounting base includes a rotating shaft and a connecting flange, and the rotating shaft is rotatably connected to the equipment frame 12. The detection equipment is an eddy current detection equipment, including a main unit and a detection probe. The main unit is installed on the detection equipment installation base, the connecting flange is installed on the bottom of the main unit of the detection equipment, and the detection probe is electrically connected to the main unit through a data cable.
[0027] The fixed mounting frame is used to mount the detection probe. The fixed mounting frame includes a mounting head, a pitch adjustment mechanism, a length adjustment mechanism and a mounting seat. The bottom of the mounting head is rotatably connected to the pitch adjustment mechanism, the pitch adjustment mechanism is fixedly connected to the top of the length adjustment mechanism, and the bottom of the length adjustment mechanism is fixedly connected to the mounting seat.
[0028] The mounting head includes a mounting head bracket 2, a limit support 21, a flexible limit clamp 22 and a clamping mechanism. The limit support 21 is fixedly mounted on the upper front surface of the mounting head bracket 2. The limit support 21 is a semi-ring shaped with an upper opening. A flexible limit clamp 22 is fixedly arranged inside the limit support 21. The upper part of the flexible limit clamp 22 is narrowed into a clamping channel, and the lower part is provided with a cavity that passes through the front and back. A mounting ring is arranged at the rear of the mounting head bracket 2, and a clamping mechanism is arranged inside the mounting ring. The clamping mechanism includes a clamping sheet 23, and a mounting groove is arranged at the bottom of the mounting ring. The front end of the clamping sheet 23 is fixed in the mounting groove, and the rear end of the clamping sheet 23 is tilted toward the mounting ring.
[0029] A rotating shaft 13 hole is provided at the bottom of the mounting head bracket 2, and the pitch adjustment mechanism is rotatably sleeved with the mounting head bracket 2 through the rotating shaft 13 hole.
[0030] The pitch adjustment mechanism includes a rotation module and a limit module. The rotation module drives the pitch adjustment mechanism to rotate, and the limit module limits the position after each rotation adjustment. The rotation module includes a housing 3, a rotating screw 31 and a nut 34, and the limit module includes a return spring 32, an abutment plate 33, an adjustment tooth ring 35 and a positioning tooth ring 36.
[0031] The rear end face of the adjusting toothed ring 35 is provided with a toothed clamping protrusion, and the front end face of the positioning toothed ring 36 is provided with a toothed clamping protrusion. The adjusting toothed ring 35 and the positioning toothed ring 36 are sleeved on the rotating screw 31 through their respective center holes. The tooth surfaces of the adjusting toothed ring 35 and the positioning toothed ring 36 are arranged opposite to each other. The positioning toothed ring 36 is provided with a radial positioning hole 37, and the positioning hole 37 is a square hole. The length adjustment mechanism is inserted and fixed in the positioning hole 37. The rotating screw 31 is sleeved with the hole of the rotating shaft 13 at the bottom of the mounting head bracket 2, and the rear part of the rotating screw 31 abuts against the abutment plate 33 through a nut 34. The rear part of the positioning toothed ring 36 is provided with a spring limiting groove. One end of the return spring 32 abuts against the front of the abutment plate 33, and the other end abuts against the spring limiting groove. The adjusting toothed ring 35 is embedded in the lower part of the mounting head bracket 2 through two columnar protrusions fixed at the front end thereof and rotates coaxially with the mounting head bracket 2. The housing 3 is fixed to the rear end of the rotating screw 31.
[0032] The length adjustment mechanism includes a positioning rod 4, a threaded adjustment rod 41, a threaded ring 42, a guide ring 43 and a length adjustment handle 44. The bottom of the positioning rod 4 is fixed to the upper surface of the mounting seat by screws, and the positioning rod 4 is a hollow structure. A threaded ring 42 is provided at the top of the positioning rod 4, and a threaded hole is provided at the center of the threaded ring 42. The top of the positioning rod 4 is provided with the guide ring 43, and a guide hole is provided in the middle of the guide ring 43. The threaded adjustment rod 41 is provided with an external thread, and the external thread is threadedly connected with the threaded hole. The top of the threaded adjustment rod 41 is clamped in the positioning hole 37. The length adjustment handle 44 is sleeved on the outside of the positioning rod 4, and the length adjustment handle 44 is fixedly connected to the upper part of the threaded adjustment rod 41 by screws. When the length adjustment handle 44 is rotated, the threaded adjustment rod 41 rotates synchronously.
[0033] The mounting seat includes a mounting ring 5 and an adjustment half ring 52, and the mounting ring 5 is connected to the adjustment half ring 52 by screws. The mounting ring 5 is cylindrical and has half ring notches at both ends. An open through groove is provided at the bottom of the mounting ring 5, and a cushion block 51 is provided in the through groove. A threaded hole is provided on the outer wall of the mounting ring 5. The two adjustment half rings 52 are symmetrically arranged at the corresponding notches at both ends of the mounting ring 5, and an adjustment hole 53 is provided on the outer wall of the adjustment half ring 52. The adjustment hole 53 is an oblong hole, and a step surface is provided in the adjustment hole 53. A limit plate 54 that matches and snaps with the step surface is also provided in the adjustment half ring 52, and two through holes are provided on the limit plate 54. A cushion block 51 is provided on one side of the inner wall of the adjustment half ring 52.
[0034] In use, the operator places the mounting ring 5 on the crossbar of the equipment rack 12 , and the pads 51 of the adjustment half rings 52 on both sides are installed with the mounting ring 5 by screws, so that the fixed mounting frame is clamped on the crossbar of the equipment rack 12 .
[0035] Press the rear end of the clamping piece 23, put the detection probe of the detection equipment into the rear part of the mounting ring and clamp it into the flexible limit clamp 22, then loosen the clamping piece 23, and make the clamping piece 23 abut against the side wall of the detection probe to form a fixed state.
[0036] Then, the length adjustment handle 44 is rotated to adjust the extension length of the mounting head bracket 2, and the detection probe is aligned with the part of the workpiece to be detected.
[0037] After the detection is completed, the length adjustment handle 44 is rotated to return to the initial position, and the detection probe is pulled out by pressing the limit piece 54 .
[0038] 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. 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 are included in the present invention. Any figure mark in the claims should not be regarded as limiting the claims involved.
[0039] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.
Claims
1. A fixed mounting frame for eddy current detection, characterized in that: The fixed mounting frame comprises a mounting head, a pitch adjustment mechanism, a length adjustment mechanism and a mounting seat, the bottom of the mounting head is rotatably connected to the pitch adjustment mechanism, the pitch adjustment mechanism is fixedly connected to the top of the length adjustment mechanism, the bottom of the length adjustment mechanism is fixedly connected to the mounting seat, the mounting head comprises a mounting head bracket (2), a mounting ring is arranged at the rear of the mounting head bracket (2), a clamping mechanism is arranged in the mounting ring, and the clamping mechanism comprises a clamping sheet (23).
2. The fixed mounting frame for eddy current detection according to claim 1, characterized in that: The mounting head further comprises a limit support (21), a flexible limit clamp (22) and a clamping mechanism; the limit support (21) is fixedly mounted on the front upper surface of the mounting head bracket (2); the limit support (21) is semi-annular with an upper opening; and the flexible limit clamp (22) is fixedly arranged inside the limit support (21).
3. The fixed mounting frame for eddy current detection according to claim 1, characterized in that: A mounting groove is provided at the bottom of the mounting ring, the front end of the clamping piece (23) is fixed in the mounting groove, and the rear end of the clamping piece (23) is tilted toward the inside of the mounting ring.
4. The fixed mounting frame for eddy current detection according to claim 2, characterized in that: A rotating shaft (13) hole is provided at the bottom of the mounting head bracket (2), and the pitch adjustment mechanism is rotatably sleeved with the mounting head bracket (2) via the rotating shaft (13) hole.
5. The fixed mounting frame for eddy current detection according to claim 1, characterized in that: The pitch adjustment mechanism comprises a rotation module and a limit module. The rotation module drives the pitch adjustment mechanism to rotate. The rotation module comprises a housing (3), a rotation screw (31) and a nut (34).
6. The fixed mounting bracket for eddy current detection according to claim 5, characterized in that: The limit module comprises a return spring (32), an abutment plate (33), an adjustment toothed ring (35) and a positioning toothed ring (36); the rear end face of the adjustment toothed ring (35) is provided with a toothed clamping protrusion, the front end face of the positioning toothed ring (36) is provided with a toothed clamping protrusion, the adjustment toothed ring (35) and the positioning toothed ring (36) are sleeved on the rotating screw (31) through their respective center holes, the toothed surfaces of the adjustment toothed ring (35) and the positioning toothed ring (36) are arranged facing each other, and the limit module limits the position after each rotation adjustment to no longer change.
7. The fixed mounting bracket for eddy current detection according to claim 6, characterized in that: The positioning toothed ring (36) is provided with a radial positioning hole (37), the positioning hole (37) is a square hole, and the length adjustment mechanism is inserted and fixed in the positioning hole (37).
8. The fixed mounting bracket for eddy current detection according to claim 6, characterized in that: The rotating screw rod (31) is sleeved with the rotating shaft (13) hole at the bottom of the mounting head bracket (2); the rear of the rotating screw rod (31) abuts against the abutment plate (33) through a nut (34); a spring limiting groove is provided at the rear of the positioning toothed ring (36); one end of the return spring (32) abuts against the front of the abutment plate (33) and the other end abuts against the spring limiting groove; the adjusting toothed ring (35) is embedded in the lower part of the mounting head bracket (2) through two columnar protrusions fixed at its front end and rotates coaxially with the mounting head bracket (2).
9. The fixed mounting bracket for eddy current detection according to claim 1, characterized in that: The length adjustment mechanism comprises a positioning rod (4), a threaded adjustment rod (41), a threaded ring (42), a guide ring (43) and a length adjustment handle (44); the bottom of the positioning rod (4) is fixed to the upper surface of the mounting seat by means of screws; the top of the positioning rod (4) is provided with a threaded ring (42); the threaded adjustment rod (41) is threadedly connected to the threaded ring (42); the length adjustment handle (44) is sleeved on the outside of the positioning rod (4); the length adjustment handle (44) is fixedly connected to the upper part of the threaded adjustment rod (41) by means of screws; when the length adjustment handle (44) is rotated, the threaded adjustment rod (41) rotates synchronously.
10. The fixed mounting bracket for eddy current detection according to claim 1, characterized in that: The mounting seat comprises a mounting ring (5) and an adjustment half ring (52); the mounting ring (5) is cylindrical and has notches at both ends; a through groove is provided at the bottom of the mounting ring (5); a cushion block (51) is provided inside the through groove; two adjustment half rings (52) are symmetrically arranged at corresponding notches at both ends of the mounting ring (5); an adjustment hole (53) is provided on the outer wall of the adjustment half ring (52); the adjustment hole (53) is an oblong hole; a step surface is provided inside the adjustment hole (53); a limit plate (54) is further provided inside the adjustment half ring (52) and is matched and engaged with the step surface; and a through hole is provided on the limit plate (54).