Shaft body welding seam detection device

By designing a support frame and adjusting mechanism, the problems of easy damage and inconvenient alignment of flat plate detectors in shaft weld inspection were solved, achieving efficient and stable radiographic inspection.

CN223679099UActive Publication Date: 2025-12-16LINGYUN GROUP WUHAN
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Patent Information

Application Number
CN202422939505.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-16
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

In the existing technology, when the shaft is placed directly on the flat plate detector to inspect the weld, the detector is easily damaged. Furthermore, it is inconvenient to align the X-ray machine with the weld, resulting in low inspection efficiency and poor quality.

Method used

A shaft weld inspection device was designed, comprising a support frame, an adjustment mechanism, and an inspection mechanism. Through the cooperation of the lifting component and the moving component, the flat plate detector is ensured to be in close contact with the shaft. The moving component drives the X-ray machine to move to align the emission end with the weld, thereby achieving flexible adjustment of the distance between the X-ray machine and the shaft.

Benefits of technology

It protects the flat panel detector from being damaged by pressure, improves detection efficiency and quality, and ensures the stability and accuracy of X-ray detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a shaft body welding seam detection device, which comprises a support frame, an adjusting mechanism and a detection mechanism, and is characterized in that the adjusting mechanism is arranged on one side of the support frame, the adjusting mechanism comprises a moving part and a lifting part, and the lifting part is connected with the moving part; the detection mechanism comprises a flat panel detector and an X-ray machine, the flat panel detector is arranged on one side of the supporting frame, the X-ray machine is detachably connected with a lifting part, the lifting part is used for driving the X-ray machine to ascend or descend, and when the shaft body is placed on the supporting frame and the end, with the welding seam, of the shaft body is attached to a detection area of the flat panel detector, the X-ray machine is driven to ascend or descend. The ray machine is driven by the moving part to move, so that the transmitting end of the ray machine is aligned with the welding seam at one end of the shaft body. The problems that in the prior art, a shaft body is directly placed on a flat panel detector to detect a welding seam, the flat panel detector is prone to being crushed, and the transmitting end of an X-ray machine is inconvenient to adjust to be aligned with the welding seam are solved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to a welding seam detection technical field, concretely relates to a shaft body welding seam detection device. BACKGROUND

[0002] Welding seam detection is an important step to ensure the safety and quality of welded structures, which involves using various methods to check whether the welding seam has defects such as cracks, pores, slag inclusion, incomplete fusion or incomplete penetration. Generally, internal defects are detected by the ability of X-ray or gamma-ray to penetrate metal. After the rays pass through the object, they are recorded by photographic film or flat panel detectors. By analyzing the image, it can be determined whether there are defects and their nature.

[0003] In the prior art, when carrying out the DR digital radiographic imaging detection technology for a certain type of aircraft engine strut, the end of the engine strut with the welding seam is placed on the flat panel detector, and the flat panel detector is pressed on the ground by the engine strut, which is easy to be damaged. Moreover, the ordinary ladder frame has no height adjustment and is not convenient to move,

[0004] It is unable to quickly adjust the alignment of the welding seam between the radiographic machine and the workpiece surface, and the distance between the radiographic machine and the workpiece surface. UTILITY MODEL CONTENTS

[0005] The utility model aims at overcoming the above technical deficiencies, providing a shaft body welding seam detection device, solving the problems of placing the shaft body directly on the flat panel detector to detect the welding seam, easily damaging the flat panel detector, and inconveniently adjusting the alignment between the emitting end of the radiographic machine and the welding seam.

[0006] To achieve the above technical purposes, the utility model adopts the following technical solutions:

[0007] The utility model provides a shaft body welding seam detection device, including support frame, adjusting mechanism and detection mechanism, the adjusting mechanism is located in one side of the support frame, the adjusting mechanism includes moving piece and elevating piece, elevating piece is connected with moving piece, the detection mechanism includes flat panel detector and radiographic machine, the flat panel detector is located in one side of the support frame, the radiographic machine is detachable with elevating piece, elevating piece is used to drive the radiographic machine to ascend or descend, when the shaft body is placed in the support frame, and the end of the shaft body with welding seam is attached with the detection area of the flat panel detector, the radiographic machine is driven to move through the moving piece, so that the emitting end of the radiographic machine is aligned with the welding seam of the end of the shaft body.

[0008] In some embodiments, the support frame includes two side plates arranged in parallel and at intervals, a plurality of grooves are arranged at intervals on the two side plates, and each groove on the two side plates corresponds one-to-one. When the shaft body is arranged between the two side plates, the opposite ends of the shaft body are clamped in the corresponding two grooves.

[0009] In some embodiments, the moving part comprises a plurality of universal wheels, wherein at least one of the universal wheels is capable of braking.

[0010] In some embodiments, the lifting part comprises a screw rod lifter and a mounting seat, the screw rod lifter is connected with the moving part, the movable end of the screw rod lifter is connected with the mounting seat, the mounting seat is provided with a transmission window, and the radiographic machine is detachably connected with the mounting seat corresponding to the transmission window.

[0011] In some embodiments, a positioning part is further included, the positioning part is hingedly connected with the mounting seat, the positioning part has a first state of closing the transmission window and a second state of opening the transmission window, and when the positioning part is in the first state, the emitting end of the positioning part is capable of aligning with the weld at one end of the shaft body.

[0012] In some embodiments, the positioning part comprises a window guard, a box body, a winding rod, a flexible ruler, a line hammer, and a crank handle, the window guard is hingedly connected with the mounting seat, the box body is fixedly connected with the window guard, one end of the winding rod is rotatably arranged in the box body, one end of the flexible ruler is arranged in the box body and is fixedly connected with the winding rod, the other end of the flexible ruler is fixedly connected with the line hammer, and the crank handle is fixedly connected with the other end of the winding rod, and the flexible ruler is wound or unwound by rotating the winding rod about the axis thereof.

[0013] In some embodiments, a detector support is further included, the detector support comprises a bottom plate and a baffle fixedly arranged on opposite sides of the bottom plate, a limiting groove is formed between the two baffles and the bottom plate, and the flat panel detector is capable of being clamped in the limiting groove.

[0014] In some embodiments, a plurality of moving rollers are further arranged on the bottom plate, wherein at least one of the moving rollers is capable of braking.

[0015] In some embodiments, a wire hole is arranged on one of the baffles and is in communication with the limiting groove.

[0016] In some embodiments, a placing groove is arranged at the middle of one end of the bottom plate, and a handle is arranged at the middle of the other end of the bottom plate.

[0017] Compared with the prior art, the shaft body weld detection device provided by the utility model, through the connection of the lifting piece and the moving piece, the flat panel detector is arranged on one side of the support frame, the radiographic machine is detachably connected with the lifting piece, when the shaft body is placed on the support frame and the end of the shaft body with the weld is attached to the sensitive area of the flat panel detector, the design of the support frame can realize the support of the shaft body and ensure the close contact of the shaft body and the flat panel detector, and the flat panel detector is protected from being pressed by the shaft body; meanwhile, the radiographic machine is driven to move through the moving piece, the emission end of the radiographic machine is aligned with the weld of one end of the shaft body, the lifting piece is used for driving the radiographic machine to ascend or descend, the distance between the radiographic machine and the shaft body is adjusted, the overall detection efficiency is improved, and the radiographic detection quality is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a structural schematic view of a shaft body weld detection device provided by the utility model embodiment;

[0019] Figure 2 is another structural schematic view of a shaft body weld detection device provided by the utility model embodiment;

[0020] Figure 3 is a structural schematic view of a detector support provided by the utility model embodiment;

[0021] Figure 4 is an internal structural schematic view of a positioning piece provided by the utility model embodiment. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the utility model more clear and obvious, the utility model is further described in detail below by combining with the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model, and are not used to limit the utility model.

[0023] In order to solve the technical problems that the shaft body is directly placed on the flat panel detector to detect the weld, the flat panel detector is easily damaged, and the emission end of the radiographic machine is inconvenient to align with the weld in the prior art, the utility model provides a shaft body weld detection device, which can avoid the damage of the flat panel detector 31, and improve the overall detection efficiency.

[0024] Please refer to Figures 1-4 , Figures 1-4The utility model discloses a kind of shaft body weld joint detection devices in an embodiment of the utility model, including support frame 1, adjusting mechanism 2 and detection mechanism 3, the adjusting mechanism 2 is located in the side of the support frame 1, the adjusting mechanism 2 includes moving piece 21 and lifting piece 22, the lifting piece 22 is connected with moving piece 21;The detection mechanism 3 includes flat panel detector 31 and radiographic apparatus 32, the flat panel detector 31 is located in the side of the support frame 1, the radiographic apparatus 32 is detachably connected with the lifting piece 22, the lifting piece 22 is used to drive the radiographic apparatus 32 to ascend or descend, when shaft body A is placed in the support frame 1, and the end of shaft body A with weld joint is attached with the detection area of the flat panel detector 31, the radiographic apparatus 32 is moved by the moving piece 21 to drive, so that the emission end of the radiographic apparatus 32 is aligned with the weld joint of one end of shaft body.

[0025] Specifically, flat panel detector 31 is a kind of equipment for X-ray imaging, it can convert the X-ray of radiographic apparatus 32 into digital signal to generate image on computer.

[0026] Wherein, the outermost layer of flat panel detector usually has a thin protective layer, to prevent physical damage and pollution. This layer can be transparent polymer material, such as polyimide, or glass. Protective layer needs to be strong enough to resist wear and tear in daily use, while also as transparent as possible to reduce the absorption of incident X-rays.

[0027] In addition, in order to reduce the image quality decline caused by surface reflection, flat panel detector can be coated with anti-reflection coating; Such coating helps to maximize the transfer of X-ray energy to the effective layer of flat panel detector, thereby improving image clarity.

[0028] Wherein, the effective imaging area of flat panel detector 31 is called detection area, this area is the part that actually captures X-rays and converts them; When detecting, it needs to ensure that the end of shaft body A with weld joint is attached with the sensitive area of flat panel detector 31.

[0029] In the specific embodiment, the support frame 1 includes two side plates 11 arranged in parallel and spaced apart, a plurality of grooves 110 are spaced apart on each of the two side plates 11, and each groove 110 on the two side plates 11 corresponds one-to-one. When the shaft body is arranged between the two side plates 11, the opposite ends of the shaft body are clamped in the corresponding two grooves 110.

[0030] It should be noted that the groove 110 is semicircular, and after the shaft body is clamped in the groove 110, the shaft body will not roll or rotate without the action of external driving force, ensuring the stability of the radiation detection.

[0031] In this specific embodiment, eight grooves 110 are spaced apart on both side plates, wherein the inner diameter of four grooves is larger than the inner diameter of the remaining four grooves, so that two shafts with different inner diameters can be placed at the same time.

[0032] In this specific embodiment, the movable component 21 includes a base and four casters 210 connected to the four corners of the base. At least one of the casters 210 has a braking function, which can prevent the movable component 21 from sliding after the X-ray machine 32 is aligned with the weld at one end of the shaft.

[0033] It should be noted that the lifting component 22 is not limited to a specific structure, as long as it can drive the X-ray machine 32 to rise and fall, no other limitations are made here.

[0034] In this specific embodiment, the lifting component 22 includes a screw jack 221 and a mounting base 222. The screw jack 221 is connected to the moving component 21, and the movable end of the screw jack 221 is connected to the mounting base 222. The mounting base 222 has a radiographic window 22a, and the X-ray machine 32 is detachably connected to the mounting base 222 corresponding to the radiographic window 22a.

[0035] Based on the above scheme, in order to ensure that the X-ray emitted by the emitting end of the X-ray machine 32 can be aligned with the weld, a positioning member 4 is specifically included. The positioning member 4 is hinged to the mounting base 222. The positioning member 4 has a first state of closing the radiographic window 22a and a second state of opening the radiographic window 22a. When the positioning member 4 is in the first state, the emitting end of the positioning member 4 can be aligned with the weld at one end of the shaft.

[0036] In one embodiment, the positioning element 4 includes a window guard plate 41, a housing 42, a winding rod 43, a flexible ruler 44, a plumb bob 45, and a crank handle 46. The window guard plate 41 is hinged to the mounting base 222, and the housing 42 is fixedly connected to the window guard plate 41. One end of the winding rod 43 rotates into the housing 42, and one end of the flexible ruler 44 passes through the housing 42 and is fixedly connected to the winding rod 43. The other end of the flexible ruler 44 is fixedly connected to the plumb bob 45, and the crank handle 46 is fixedly connected to the other end of the winding rod 43. The flexible ruler 44 is wound or unwound by rotating the winding rod 43 around its own axis.

[0037] Furthermore, operators can adjust the focal length of the X-ray machine 32 by reading the length of the flexible ruler 44, thereby improving the quality of X-ray inspection.

[0038] It should be noted that the window guard 41 is hinged to the mounting base 222 via a hinge. When the window guard 41

[0039] When the radiographic window 22a is closed, the soft ruler 44 is unwound by rotating the rod 43, and the positioning member 4 is moved by the moving member 21, so that the line hammer 45 can contact the weld in the static state, and the straight line where the soft ruler 44 is located can be determined; then, the soft ruler 44 is wound, the radiographic window 22a is opened by turning the window cover 41, and the radiographic machine 32 is connected with the mounting seat 222, so that the X-rays emitted by the radiographic machine can overlap the straight line where the soft ruler 44 is located, and the X-rays can be aligned with the weld.

[0040] On the basis of the above scheme, in order to facilitate the movement of the flat panel detector 31, specifically, the detector support 5 is further included, the detector support 5 includes a bottom plate 51 and a baffle plate 52 fixed to opposite sides of the bottom plate 51, a limiting groove is formed between the two baffle plates 52 and the bottom plate 51, and the flat panel detector 31 can be clamped in the limiting groove, so that the flat panel detector can be fixed firmly and prevented from falling; wherein a plurality of moving rollers 53 are further arranged on the bottom plate 51, and at least one of the moving rollers 53 has a brake function.

[0041] In addition, a placing groove 511 is arranged in the middle of one end of the bottom plate 51, and the handle of the flat panel detector 31 can be placed in the placing groove 511, so that the flat panel detector can be taken and placed conveniently; a handle 512 is arranged in the middle of the other end of the bottom plate 51, and the detector support 5 is driven to move by pushing the handle; further, a wire hole 521 is arranged in one baffle plate 52 and communicates with the limiting groove, and the connecting line of the flat panel detector can be arranged in the wire hole 521.

[0042] The specific implementation of the above-mentioned utility model does not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the utility model claim.

Claims

1. A shaft weld joint inspection device comprising a support frame, an adjusting mechanism and an inspection mechanism, the adjusting mechanism is arranged on one side of the support frame, characterized in that, The adjusting mechanism comprises a moving part and a lifting part, and the lifting part is connected with the moving part; The detecting mechanism comprises a flat panel detector and a radiographic machine, the flat panel detector is arranged on one side of the support frame, the radiographic machine is detachably connected with the lifting part, and the lifting part is used to drive the radiographic machine to ascend or descend; when the shaft body is placed on the support frame and one end of the shaft body with a weld is attached to the detection area of the flat panel detector, the radiographic machine is driven to move by the moving part, so that the emission end of the radiographic machine is aligned with the weld of one end of the shaft body.

2. A shaft weld inspection device according to claim 1, wherein, The support frame comprises two side plates arranged in parallel and at intervals, a plurality of grooves are arranged at intervals on the two side plates, and each groove on the two side plates corresponds to each other; when the shaft body is arranged between the two side plates, the opposite ends of the shaft body are clamped in the corresponding two grooves.

3. A shaft weld detection device according to claim 1, wherein The moving part comprises a plurality of universal wheels, and at least one of the universal wheels can brake.

4. The shaft weld detection apparatus of claim 1, wherein The lifting part comprises a lead screw lifting machine and a mounting seat, the lead screw lifting machine is connected with the moving part, the movable end of the lead screw lifting machine is connected with the mounting seat, a transmission window is arranged on the mounting seat, and the radiographic machine is detachably connected with the mounting seat corresponding to the transmission window.

5. A shaft weld inspection device according to claim 4, wherein, Further comprising a positioning part, the positioning part is hinged with the mounting seat, the positioning part has a first state of closing the transmission window and a second state of opening the transmission window; when the positioning part is in the first state, the emission end of the positioning part can be aligned with the weld of one end of the shaft body.

6. A shaft weld inspection device according to claim 5, wherein, The positioning part comprises a window guard, a box body, a winding rod, a flexible ruler, a line hammer and a crank handle, the window guard is hinged with the mounting seat, the box body is fixedly connected with the window guard, one end of the winding rod rotates in the box body, one end of the flexible ruler is arranged in the box body and is fixedly connected with the winding rod, the other end of the flexible ruler is fixedly connected with the line hammer, and the crank handle is fixedly connected with the other end of the winding rod; the flexible ruler is wound or unwound by rotating the winding rod around its axis.

7. A shaft weld inspection device as defined in claim 1, wherein, Further comprising a detector support, the detector support comprises a bottom plate and a baffle fixedly arranged on opposite sides of the bottom plate, a limiting groove is formed between the two baffles and the bottom plate, and the flat panel detector can be clamped in the limiting groove.

8. A shaft weld inspection device according to claim 7, wherein, A plurality of moving rollers are arranged on the bottom plate, and at least one of the moving rollers can brake.

9. A shaft weld detection apparatus according to claim 7, wherein, A through hole is arranged on one of the baffles and communicates with the limiting groove.

10. A shaft weld detection apparatus according to claim 7, wherein A placing groove is arranged in the middle of one end of the bottom plate, and a handle is arranged in the middle of the other end of the bottom plate.