Lifting force test piece for fillet weld magnetic particle detection

By designing a specimen body consisting of a base plate, side plates, and connecting parts suitable for a magnetic particle inspection machine for fillet welds, the problem of existing test blocks being unsuitable was solved, and the lifting force test of the magnetic particle inspection machine for fillet welds was realized. The structure is simple and easy to use.

CN223742392UActive Publication Date: 2025-12-30SICHUAN CHINA NUCLEAR POWER ENG INSPECTION CO LTD +1
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Patent Information

Application Number
CN202423176098.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-23
Publication Date
2025-12-30
Estimated Expiration
2034-12-23

AI Technical Summary

Technical Problem

The existing cuboid-shaped lifting force test block is not suitable for lifting force testing of fillet weld magnetic particle inspection machine.

Method used

Design a specimen body including a base plate, side plates and connectors. The side plates are inclined to fit the magnetic poles of the fillet weld magnetic particle inspection machine. The base plate and side plates are fixed by connectors. It is suitable for lifting force testing of the fillet weld magnetic particle inspection machine.

Benefits of technology

It realizes the lifting force test applicable to magnetic particle inspection machine for fillet welds. It has a simple structure, is easy to use, and the lifting force test results are more accurate.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a lifting force test piece for fillet weld magnetic particle detection, and relates to the technical field of nondestructive detection. The lifting force test piece for fillet weld magnetic particle detection comprises a test piece body, the test piece body comprises a bottom plate, symmetrical side plates are arranged on the two sides of the bottom plate, the two side plates are perpendicular to each other, and the edges of the side plates are connected with the edges of the upper side of the side face of the bottom plate. Connecting pieces are arranged between the side faces of the side plates and the side faces of the bottom plate. The lifting force test piece for fillet weld magnetic particle inspection has the beneficial effects of being suitable for a fillet weld magnetic particle inspection machine, simple in structure and convenient to use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to nondestructive testing technical field, concretely relates to a kind of for fillet magnetic powder detection lifting force test piece. BACKGROUND

[0002] Magnetic powder lifting force detection is an important link of magnetic powder testing equipment performance verification, to ensure that the equipment can generate sufficient magnetic field intensity to detect the defects on the surface or near surface of workpiece.The size of lifting force directly affects the detection ability of magnetic powder testing equipment, to ensure that the equipment can generate sufficient magnetic field intensity when maximum magnetic pole spacing, so as to guarantee the accuracy of detection.Lifting force is an important index of magnetic powder testing equipment performance control, equipment calibration or periodic calibration.

[0003] At present, the lifting force test block used for magnetic powder detection is mostly cuboid, mainly suitable for ordinary magnetic powder machine test lifting force.But for fillet magnetic powder detection, the magnetic pole of fillet magnetic powder testing machine is set to the structure of sticking to two sides of workpiece, i.e.the inclined structure.The lifting force test block of pure cuboid shape cannot be used for lifting force test of fillet magnetic powder testing machine.

[0004] Therefore, the prior art needs to be improved. CONTENT OF UTILITY MODEL

[0005] The technical problem to be solved by the utility model is that the current lifting force test block is not suitable for fillet magnetic powder testing machine, and the purpose is to provide a kind of lifting force test piece for fillet magnetic powder detection, which has the beneficial effects of being suitable for fillet magnetic powder testing machine, simple structure and convenient to use by using corresponding technical means.

[0006] The utility model realizes the following technical scheme:

[0007] A kind of lifting force test piece for fillet magnetic powder detection, it includes test piece main body, the test piece main body includes bottom plate, the two sides of the bottom plate are provided with mutually symmetrical side plate, and two the side plate is perpendicular to each other, the side plate edge is connected with the edge on the upper side of the side surface of the bottom plate, and the side surface of the side plate is provided with connecting piece between the side surface of the bottom plate.

[0008] In the above technical scheme, the lifting force test piece for fillet magnetic powder detection includes bottom plate, side plate and connecting piece, connecting piece is used to connect bottom plate, side plate, bottom plate makes that the lifting force test piece for fillet magnetic powder detection can be stably placed, and side plate is used to cooperate with the structure of sticking to two sides of workpiece of fillet magnetic powder testing machine.Because the side plate on left and right sides is in the state of inclination, the upper surface of the side plate can be stuck to the magnetic pole surface of fillet magnetic powder testing machine, suitable for lifting force test of fillet magnetic powder testing machine.

[0009] Further, in the utility model, the connecting piece has the plane one parallel with the bottom surface of the bottom plate.

[0010] Further, in the utility model, the connecting piece has the plane two parallel with the bottom surface of the side plate.

[0011] Further, in the utility model, the plurality of test piece bodies are overlapped.

[0012] Further, in the utility model, in the two adjacent test piece bodies, the sum of the width of the bottom plate and the plane one on the upside is equal to the width of the bottom plate on the downside.

[0013] Further, in the utility model, in the two adjacent test piece bodies, the sum of the width of the side plate and the plane two on the upside is equal to the width of the side plate on the downside.

[0014] Further, in the utility model, the connecting piece is configured as the metal filler hardened after welding.

[0015] Further, in the utility model, the bottom plate, the side plate and the connecting piece are integrally formed.

[0016] Further, in the utility model, the total weight of the test piece body is configured according to the magnetic powder detection of the fillet weld.

[0017] Further, in the utility model, the mass of the test piece body suitable for the alternating current lifting force requirement is not less than 6.5㎏, the mass of the test piece body suitable for the direct current lifting force requirement is not less than 25.5㎏, and the mass of the test piece body suitable for the cross magnetic yoke lifting force requirement is not less than 17㎏.

[0018] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0019] 1. Good applicability: the bottom plate enables the fillet weld magnetic powder detection lifting force test piece to be stably placed, and the side plate is used for the structure cooperation of the two side workpieces of the fillet weld magnetic powder detector.

[0020] 2. Simple structure: the fillet weld magnetic powder detection lifting force test piece comprises a bottom plate, a side plate and a connecting piece, the connecting piece is used for connecting the bottom plate and the side plate, the bottom plate enables the fillet weld magnetic powder detection lifting force test piece to be stably placed, and the two side plates are located on the left and right sides of the bottom plate. BRIEF DESCRIPTION OF DRAWINGS

[0021] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present application and are incorporated in and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the principles of the present application. In the drawings:

[0022] Figure 1 Fig. 1 is a perspective view of the lifting test piece for the magnetic powder detection of the corner weld of the present application;

[0023] Figure 2 Fig. 2 is a front view of the lifting test piece for the magnetic powder detection of the corner weld of the present application;

[0024] Figure 3 Fig. 3 is a use view of the lifting test piece for the magnetic powder detection of the corner weld of the present application;

[0025] Figure 4 Fig. 4 is an overlapping placement view of the lifting test piece for the magnetic powder detection of the corner weld of the present application.

[0026] Markings in the drawings and corresponding names of parts: 1 - bottom plate, 2 - side plate, 3 - connecting piece, 301 - plane one, 302 - plane two. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with examples and drawings. The illustrative embodiments of the present application and the description thereof are only used to explain the present application and do not limit the present application. The following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0028] It should be noted that: similar reference numerals and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings. In the description of the embodiments of the present application, it should be further noted that unless otherwise explicitly defined and limited, if the terms "arrange", "mount", "connect" appear, they should be understood broadly, for example, they can be fixedly connected, or detachably connected, or integrally connected; they can be mechanically connected, or electrically connected; they can be directly connected, or indirectly connected through an intermediate medium, or the communication inside two elements. For those skilled in the art, the specific meanings of the above terms in the present application can be understood according to the specific circumstances.

[0029] Example 1

[0030] This embodiment 1 provides a kind of for fillet magnetic particle testing lifting force test piece, as shown in the specific structure is as follows description. Figures 1-3

[0031] The fillet magnetic particle testing lifting force test piece in this embodiment is mainly composed of test piece main body, and the test piece main body includes bottom plate 1, side plate 2 and connecting piece 3 three parts, and the overall structure is relatively simple.Combined with Figure 1 And Figure 2 As shown in the drawings, the bottom plate 1 and the side plate 2 are both metal blocks of cuboid shape, for example, iron block.The side plate 2 is symmetrically installed on the left and right sides of the bottom plate 1, and the upper side edge of the left side plate 2 right side is in contact with the edge of the left side of the side plate 2, and the upper side edge of the right side plate 2 left side is in contact with the edge of the right side of the side plate 2.The cavity between the side of the side plate 2 and the side of the bottom plate 1 is installed with connecting piece 3, and the side plate 2 and the bottom plate 1 are fixedly connected through the connecting piece 3.

[0032] It should be noted that the left and right side plates 2 are perpendicular to each other, that is, the top surface of the left side plate 2 is 45° compared with the vertical line, and the top surface of the right side plate 2 is also 45° compared with the vertical line, as shown in the drawings, which is convenient for the magnetic pole of the fillet magnetic particle testing machine. Figure 3

[0033] Further, the side plate 2 and the bottom plate 1 can be fixedly connected in a welding manner, so the connecting piece 3 is a metal filler hardened after welding slag. Or the side plate 2 and the bottom plate 1 can also be fixed in an integral molding manner, and the connecting piece 3 and the side plate 2 and the bottom plate 1 form an integral.

[0034] Embodiment 2

[0035] This embodiment provides a kind of for fillet magnetic particle testing lifting force test piece, and the structure is the same as that of the fillet magnetic particle testing lifting force test piece of embodiment 1.

[0036] Further, in this embodiment, the total weight of the test piece main body is configured according to the requirement of fillet magnetic particle testing lifting force, for example, the fillet magnetic particle testing lifting force test piece of embodiment 2 has three specifications of large, medium and small.The mass of the test piece main body suitable for alternating current lifting force (≥45N) requirement is 6.5㎏, which is a small specification for the fillet magnetic particle testing lifting force test piece.The mass of the test piece main body suitable for direct current lifting force (≥177N) requirement is 25.5㎏, which is a large specification for the fillet magnetic particle testing lifting force test piece.The mass of the test piece main body suitable for cross magnetic yoke lifting force (≥118N) requirement is 17㎏, which is a medium specification for the fillet magnetic particle testing lifting force test piece.

[0037] Since the vertical lifting force suitable for alternating current lifting force requirement is 45N, combined with Figure 3 ​​As shown, the inclination angle of the side plate 2 is 45°, according to the orthogonal decomposition of force, so the lifting force corresponding to the angle weld magnetic particle detector is 45*sqrt(2) / 9.8=6.4938≈6.5, so the mass of the specimen main body suitable for the alternating current lifting force requirement is 6.5kg, which is reasonable in design.

[0038] Further, the density of the iron block is 7.8g / cm 3 The volume of the small size specimen for angle weld magnetic particle detection lifting force is 6500 / 7.8≈833.4cm 3 The size of the small size specimen for angle weld magnetic particle detection lifting force is finally designed as follows: the length, width and height of the bottom plate 1 are 212mm*40mm*20mm, the length, width and height of the side plate 2 are 212mm*70mm*20mm, and the four edges of the connecting piece 3 are 20mm*20mm*8.28mm*8.28mm.

[0039] Embodiment 3

[0040] The specimen for angle weld magnetic particle detection lifting force in this embodiment 3 and the specimen main body for angle weld magnetic particle detection lifting force in embodiment 1 have the same structure, and the difference is that a plurality of specimen main bodies are overlapped in this embodiment, as shown in Figure 4 .

[0041] In order to uniformly store the three sizes of specimens for angle weld magnetic particle detection lifting force, as shown in Figure 1 and Figure 2 , the connecting piece 3 has a plane one 301 parallel to the bottom surface of the bottom plate 1, the connecting piece 3 has a plane two 302 parallel to the bottom surface of the side plate 2, and the width of the plane one 301 and the plane two 302 is the same.

[0042] Further, as shown in Figure 4 , the three specimen main bodies are overlapped, and in the two adjacent specimen main bodies, the sum of the width of the bottom plate 1 on the upper side and the plane one 301 is equal to the width of the bottom plate 1 on the lower side; in the two adjacent specimen main bodies, the sum of the width of the side plate 2 on the upper side and the plane two 302 is equal to the width of the side plate 2 on the lower side. The three are accurately matched to facilitate stable placement. The overlapped specimens for angle weld magnetic particle detection lifting force are uniformly placed in the storage box, which is also convenient to use.

[0043] The working principle of the specimen for angle weld magnetic particle detection lifting force of the utility model is as follows:

[0044] The connecting piece 3 is used for connecting the bottom plate 1 and the side plate 2, the bottom plate 1 is used for stably placing the test piece for the magnetic powder detection of the fillet weld, and the side plate 2 is used for cooperating with the structure of the fillet weld magnetic powder detector to fit the two sides of the workpiece. Since the left and right side plates 2 are in an inclined state, the upper surface of the side plate 2 is inclined to fit the magnetic pole surface of the fillet weld magnetic powder detector, and is suitable for the lifting force test of the fillet weld magnetic powder detector.

[0045] In summary, a test piece for the magnetic powder detection of the fillet weld includes a test piece body, the test piece body includes a bottom plate 1, the two sides of the bottom plate 1 are provided with symmetric side plates 2, the two side plates 2 are perpendicular to each other, the edge of the side plate 2 is connected with the edge of the upper side of the side surface of the bottom plate 1, and the connecting piece 3 is arranged between the side surface of the side plate 2 and the side surface of the bottom plate 1. The connecting piece 3 has a plane one 301 parallel to the bottom surface of the bottom plate 1. The connecting piece 3 has a plane two 302 parallel to the bottom surface of the side plate 2. A plurality of test piece bodies are overlapped and placed. In the two adjacent test piece bodies, the sum of the width of the bottom plate 1 on the upper side and the plane one 301 is equal to the width of the bottom plate 1 on the lower side. In the two adjacent test piece bodies, the sum of the width of the side plate 2 on the upper side and the plane two 302 is equal to the width of the side plate 2 on the lower side. The connecting piece 3 is configured as a metal filler hardened after welding. The bottom plate 1, the side plate 2 and the connecting piece 3 are integrally formed. The total weight of the test piece body is configured according to the lifting force requirement of the magnetic powder detection of the fillet weld. The mass of the test piece body suitable for the alternating current lifting force requirement is not less than 6.5㎏, the mass of the test piece body suitable for the direct current lifting force requirement is not less than 25.5㎏, and the mass of the test piece body suitable for the cross magnetic yoke lifting force requirement is not less than 17㎏. Therefore, the test piece for the magnetic powder detection of the fillet weld has the beneficial effects of being suitable for the fillet weld magnetic powder detector, simple structure and convenient use.

[0046] The above specific embodiments further illustrate the purpose, technical scheme and beneficial effects of the utility model, and it should be understood that the above description is only a specific embodiment of the utility model, and is not used to limit the protection scope of the utility model. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A test piece for magnetic particle inspection of a fillet weld, characterized by, The test piece body comprises a bottom plate (1), two side plates (2) are symmetrically arranged on both sides of the bottom plate (1), the two side plates (2) are perpendicular to each other, the edge of the side plate (2) is connected with the edge on the upper side of the side surface of the bottom plate (1), and a connecting piece (3) is arranged between the side surface of the side plate (2) and the side surface of the bottom plate (1).

2. The test piece for the magnetic powder testing of a fillet weld lifting force according to claim 1, characterized by, The connecting piece (3) has a plane one (301) parallel to the bottom surface of the bottom plate (1).

3. The test piece for magnetic powder testing of a fillet weld lifting force according to claim 2, characterized by, The connecting piece (3) has a plane two (302) parallel to the bottom surface of the side plate (2).

4. The test piece for magnetic powder testing of a fillet weld lifting force according to claim 3, characterized by, A plurality of test piece bodies are overlapped.

5. The test piece for magnetic powder testing of a fillet weld lifting force according to claim 4, characterized by, In the two adjacent test piece bodies, the sum of the widths of the bottom plate (1) on the upper side and the plane one (301) is equal to the width of the bottom plate (1) on the lower side.

6. The lap joint magnetic particle inspection lift force test piece according to claim 5, characterized by, In the two adjacent test piece bodies, the sum of the widths of the side plate (2) on the upper side and the plane two (302) is equal to the width of the side plate (2) on the lower side.

7. The lap joint magnetic particle testing lift force test piece of claim 3, wherein, The connecting piece (3) is configured as a post-weld hardening metal filler.

8. The lap joint magnetic particle testing lift force test piece of claim 3, wherein, The bottom plate (1), the side plate (2) and the connecting piece (3) are integrally formed.

9. The test piece for magnetic powder testing of a fillet weld according to any one of claims 1 to 8, characterized in that, The total weight of the test piece body is configured according to the magnetic powder detection lifting force requirement of the fillet weld.

10. The lap joint magnetic particle testing lift force test piece of claim 9, wherein, The mass of the test piece body suitable for alternating current lifting force requirement is not less than 6.5㎏, the mass of the test piece body suitable for direct current lifting force requirement is not less than 25.5㎏, and the mass of the test piece body suitable for cross magnetic yoke lifting force requirement is not less than 17㎏.