Multistage probe suitable for magnetic stress measuring instrument

Abstract

The utility model relates to a multistage probe suitable for a magnetic stress measuring instrument, which comprises a first probe, a second probe and a third probe which have the same structure, the first probe, the second probe and the third probe are spliced and connected to form a semicircular structure, the first probe comprises a connecting and fixing block and an upright post arranged on the connecting and fixing block, and the upright post is arranged on the connecting and fixing block. The stand columns are connected to the centers of the corresponding connecting and fixing blocks, each connecting and fixing block is of an arc-shaped structure, every two adjacent connecting and fixing blocks are connected in an inserted mode, the three connecting and fixing blocks of the arc-shaped structures are spliced into a semicircular structure, and the stand columns are connected with coils. According to the utility model, the applicability is improved, and the purpose of reducing the cost is achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of multi-stage probe suitable for magnetic stress meter. BACKGROUND

[0002] In the field of mechanical manufacturing, petrochemical industry, aerospace, construction engineering, railway and highway, water conservancy and power, the stress state and microstructure of material are the main factors affecting its operation life. Non-destructively detecting the residual stress and some mechanical properties of structure has important economic significance and practical value. Magnetic measurement method is to evaluate internal stress according to the change of magnetism of ferromagnetic material after stress. The magnetic stress meter is usually used to detect the internal stress of parts, and the traditional magnetic stress meter uses two-stage probe. However, the traditional two-stage probe has low detection accuracy, inconvenient operation and slow test speed during the detection of curved surface. However, the corresponding probe needs to be replaced during the detection of different products, which affects the detection efficiency.

[0003] In view of the above defects, the present design person actively researches and innovates to create a new structure of multi-stage probe suitable for magnetic stress meter, so as to have more industrial use value. CONTENT OF THE UTILITY MODEL

[0004] To solve the above technical problems, the purpose of the utility model is to provide a kind of multi-stage probe suitable for magnetic stress meter.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A kind of multi-stage probe suitable for magnetic stress meter, comprising first probe, second probe and third probe of same structure, the first probe, second and third probe are connected and constitute semicircular structure by splicing, wherein the first probe includes connecting fixed block and column mounted on connecting fixed block, the column is connected at the center of corresponding connecting fixed block, each connecting fixed block is arc structure, the connecting fixed block of three arc structures is spliced into semicircular structure by splicing between adjacent connecting fixed blocks, the column is connected with coil.

[0007] Preferably, the first probe, second probe and third probe of the multi-stage probe suitable for magnetic stress meter are installed on external magnetic stress meter.

[0008] Preferably, the column of the multi-stage probe suitable for magnetic stress meter is provided with guide installation groove for installing coil and in spiral structure.

[0009] Preferably, the coil of the multi-stage probe suitable for magnetic stress meter is connected with external power supply.

[0010] Preferably, the multi-stage probe suitable for the magnetic stress meter, the first probe, the second probe and the third probe are all soft magnetic members.

[0011] By the above scheme, the utility model has at least the following advantages:

[0012] The utility model discloses can adopt to realize the quick detection of plane or curved surface to the assembly, according to need to assemble, effectively improve work efficiency.

[0013] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and can be implemented according to the content of the specification, the following preferred embodiments of the utility model and cooperate with the drawings detailed description as follows. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will be briefly introduced to the drawing needed to be used in the embodiment, should understand, the following drawings only shows some embodiments of the utility model, therefore should not be seen as the limitation of the scope, for the ordinary skilled person in the art, under the premise of not paying the creative labor, can also obtain other related drawings according to these drawings.

[0015] Figure 1 It is the structural schematic diagram of the utility model;

[0016] Figure 2 It is the structural schematic diagram of the first probe of the utility model. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical scheme and advantage of the embodiment of the application more clearly, the following will be combined with the drawing in the embodiment of the application, the technical scheme in the embodiment of the application is clearly and completely described, obviously, the described embodiment is the part of the embodiment of the application, not all the embodiment of the application.Usually the component of the embodiment of the application described and shown in the drawing here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiment of the application provided in the drawing is not intended to limit the scope of the claimed application, but only represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by the ordinary skilled person in the art without creative labor are within the scope of the application.

[0019] EMBODIMENT

[0020] As Figure 1 andFigure 2 The utility model discloses a kind of multi-stage probes suitable for magnetic stress meter, including first probe 1, second probe 2 and third probe 3 of same structure, first probe 1, second probe 2 and third probe 3 are connected and constitute semicircular structure by splicing, wherein, first probe 1 includes connecting fixed block 11 and column 12 installed on connecting fixed block 11, the column 12 is connected at the center of corresponding connecting fixed block 11, every connecting fixed block 11 is arc structure, adjacent connecting fixed block 11 are inserted and the connecting fixed block 11 of three arc structures are spliced into semicircular structure, coil 13 is connected on column 12.

[0021] The first probe 1, the second probe 2 and the third probe 3 in the utility model are installed on the external magnetic stress meter.

[0022] The utility model discloses the guide installation groove for installing coil and being spiral structure is set up on column 12, it is convenient to install coil quickly.

[0023] The utility model discloses coil is connected with external power supply.

[0024] The first probe 1, the second probe 2 and the third probe 3 in the utility model are all soft magnetic parts.

[0025] The working principle of the utility model is as follows:

[0026] The specific operation of the utility model is disclosed in patent: a three-stage probe for magnetic stress meter (CN201921133604.8), without any further elaboration. When detecting curved surface, the first probe 1, the second probe 2 and the third probe 3 are spliced with each other, and three probes are used to detect the product. For flat surface, the second probe can be reduced, and the first and third probes are used to detect the flat product, improving the applicability and ensuring the accuracy of detection.

[0027] It should be noted that: similar labels and letters represent similar items in the following drawings, so once an item is defined in one drawing, it does not need to be further defined and explained in subsequent drawings.

[0028] In the description of the present application, it should be noted that the terms "vertical", "horizontal", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship commonly used when the product of the application is used, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, the terms "first", "second", and the like are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0029] In addition, the terms "horizontal", "vertical", and the like do not mean that the components must be absolutely horizontal or vertical, but can be slightly inclined. For example, "horizontal" only means that its direction is more horizontal relative to "vertical", and does not mean that the structure must be completely horizontal, but can be slightly inclined.

[0030] In the description of the present application, it should be noted that unless otherwise specified and limited, the terms "set", "mount", "connected", "connected" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0031] The above is only the preferred embodiment of the present application, and is not used to limit the present application, and it should be noted that for those skilled in the art, without departing from the technical principles of the present application, a number of improvements and modifications can be made, and these improvements and modifications should be considered as the protection range of the present application.

Claims

1. A multi-stage probe suitable for use in a magnetic stress meter, comprising a first probe (1), a second probe (2) and a third probe (3) of identical construction, characterised in that: The first probe (1), the second probe (2) and the third probe (3) are connected in series and form a semicircular structure, wherein the first probe (1) comprises connecting fixed blocks (11) and columns (12) mounted on the connecting fixed blocks (11), the columns (12) are connected at the centers of the corresponding connecting fixed blocks (11), each connecting fixed block (11) is in an arc structure, adjacent connecting fixed blocks (11) are inserted and the three arc structures of the connecting fixed blocks (11) are connected in series to form a semicircular structure, and the columns (12) are connected with coils (13).

2. A multi-stage probe suitable for use in a magnetic stress meter according to claim 1, characterized in that: The first probe (1), the second probe (2) and the third probe (3) are mounted on an external magnetic stress meter.

3. A multi-stage probe suitable for use in a magnetic stress meter according to claim 1, characterized in that: The columns (12) are provided with guide installation grooves in spiral structures for mounting the coils.

4. A multi-stage probe for a magnetic stress measuring apparatus according to claim 1, wherein: The coils are connected with an external power supply.

5. A multi-stage probe for a magnetic stress meter according to claim 1, wherein: The first probe (1), the second probe (2) and the third probe (3) are all soft magnetic pieces.

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