CN213481599U - Device for detecting residual stress of aluminum alloy through pulse eddy current - Google Patents
Device for detecting residual stress of aluminum alloy through pulse eddy current Download PDFInfo
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- CN213481599U CN213481599U CN202022868850.7U CN202022868850U CN213481599U CN 213481599 U CN213481599 U CN 213481599U CN 202022868850 U CN202022868850 U CN 202022868850U CN 213481599 U CN213481599 U CN 213481599U
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Abstract
The utility model discloses a device through pulse eddy current inspection aluminum alloy residual stress relates to aluminum alloy residual stress detection device technical field. The utility model discloses a sleeve and coil, fixedly connected with spring in the sleeve, the port has been seted up to sleeve one end, and the sleeve in-connection has the bolt, and the bolt setting is in the port, and bolt one end bonds and has hall sensor, and bolt week side is provided with the coil. The utility model discloses a set up the spring, the spring utilizes self elasticity, keep the bolt on the sleeve top, through setting up hall sensor, be used for measuring its magnetic field intensity, bolt week side is provided with the coil, through setting up coil and bolt, the internal screw thread setting is seted up to cooperation coil inside, can wind according to different conditions, change the geometric dimensions that coil circle and wire winding mode can change the coil, can detect the aluminum alloy spare of multiple different parameters, can guarantee the distance of detecting coil and measured piece simultaneously, make the accurate unbiased of testing result.
Description
Technical Field
The utility model belongs to the technical field of aluminum alloy residual stress detection device, especially, relate to a device through pulse eddy current inspection aluminum alloy residual stress.
Background
The conductivity and the magnetic permeability of the aluminum alloy are related to the structure, the composition, the hardness, the stress strain, the defects and the like of the aluminum alloy, an alternating magnetic field can be generated by electrifying alternating current in a detection exciting coil, the alternating magnetic field enables an eddy current to be generated in a detected piece, the impedance of a detection coil is changed by the counter magnetic field of the eddy current, the conductivity of the detected piece is measured by observing the impedance change of the detection coil, and the internal defects and the residual stress of the detected piece are deduced.
The result of the eddy current inspection system is closely related to the geometric dimension of the coil and the distance between the conductors, and a detection device capable of freely adjusting the geometric dimension of the coil and ensuring that the distance between the conductors approaches to 0 is urgently needed.
In order to solve the problem, the utility model provides a through pulse eddy current inspection aluminum alloy residual stress's device.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a through pulse eddy current inspection aluminum alloy residual stress's device, the result of solving current eddy current inspection system is closely related with coil geometry, conductor interval, needs a detection device problem that can freely adjust coil geometry, guarantee that distance between the conductor approaches to 0.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a device through pulse eddy current inspection aluminum alloy residual stress, including sleeve, hall sensor and coil, through setting up hall sensor for measure its magnetic field intensity, the sleeve is the body structure, fixedly connected with spring in the sleeve through setting up the spring, the spring utilizes self elasticity, keeps the bolt on the sleeve top, the port has been seted up to sleeve one end, telescopic port card is equipped with the bolt, the bolt is worn out and epitaxial one end is connected with coil and hall sensor from the port.
Furthermore, one end of the spring is connected with the top surface of the inner wall of the sleeve, and the other end of the spring is connected with the bolt.
Furthermore, the bolt is T-shaped, and the external extension end of the bolt is provided with an external thread connected with the coil.
Further, the internal thread has been seted up to coil inside, the external screw thread phase-match of internal thread and bolt, through setting up coil and bolt, the internal screw thread setting has been seted up to cooperation coil inside, can wind according to different situation, changes the geometric dimensions that coil circle and wire winding mode can change the coil, can detect the aluminum alloy spare of multiple different parameters, can guarantee the distance of detecting coil and quilt survey piece simultaneously for the accurate unbiased of testing result.
Further, the shape of the coil is square or circular.
Further, the Hall sensor is fixed on the end face of the tail end of the bolt and is located inside the coil.
The utility model discloses following beneficial effect has:
the utility model discloses a set up the spring, the spring utilizes self elasticity, keeps the bolt on the sleeve top, through setting up hall sensor for measure its magnetic field intensity, bolt week side is provided with the coil, and through setting up coil and bolt, the internal screw thread setting is seted up to cooperation coil inside, can wind according to different situation, changes the geometric dimensions that coil circle and wire winding mode can change the coil, can detect the aluminum alloy spare of multiple different parameters, can guarantee the distance of detecting coil and measured piece simultaneously, makes the accurate no deviation of testing result.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the internal structure of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1. a coil; 2. a bolt; 3. a Hall sensor; 4. a spring; 5. a sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "upper", "middle", "outer", "inner", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referenced components or elements must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Please refer to fig. 1-2, the utility model relates to a device through pulse eddy current inspection aluminum alloy residual stress, including sleeve 5, hall sensor 3 and coil 1, through setting up hall sensor 3 for measure its magnetic field intensity, sleeve 5 is the body structure, fixedly connected with spring 4 in the sleeve 5, through setting up spring 4, spring 4 utilizes self elasticity, keeps bolt 2 on sleeve 5 top, the port has been seted up to sleeve 5 one end, sleeve 5's port card is equipped with bolt 2, bolt 2 is worn out and epitaxial one end is connected with coil 1 and hall sensor 3 from the port.
Preferably, one end of the spring 4 is connected with the top surface of the inner wall of the sleeve 5, and the other end is connected with the bolt 2.
Preferably, the bolt 2 is T-shaped, the outer extension end of which is provided with an external thread for connection with the coil 1.
Preferably, coil 1 is inside to be seted up there is the internal thread, the external screw thread phase-match of internal thread and bolt 2, through setting up coil 1 and bolt 2, the internal thread setting of seting up is cooperated in coil 1 inside, can carry out the wire winding according to different situation, change coil 1 circle and wire winding mode and can change coil 1's geometric dimensions, can detect the aluminum alloy spare of multiple different parameters, can guarantee the distance of detecting coil 1 and measured piece simultaneously for the accurate no deviation of testing result.
Preferably, the coil 1 is square or circular in shape.
Preferably, the hall sensor 3 is fixed to the end face of the bolt 2 and is located inside the coil 1.
As shown in fig. 1-2, the present embodiment is a method for using an apparatus for detecting residual stress of aluminum alloy by pulsed eddy current: the model of bolt 2 is M3x6, the user at first holds sleeve 5 during the use, with 1 terminal surface contact by survey piece of coil, because the vortex produces magnetic field and impedance after the circular telegram, coil 1 receives reaction force, spring 4 compresses tightly coil 1 on being surveyed the piece this moment, make its and being surveyed the distance of piece approach to 0, avoid leading to the testing result to appear the deviation because of the distance influence, if need change coil 1's geometric dimensions, then change coil 1 circle and wire winding mode can.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. The utility model provides a device through pulse eddy current inspection aluminum alloy residual stress, includes sleeve (5), hall sensor (3) and coil (1), its characterized in that: sleeve (5) are the body structure, fixedly connected with spring (4) in sleeve (5), the port has been seted up to sleeve (5) one end, the port card of sleeve (5) is equipped with bolt (2), bolt (2) are worn out and epitaxial one end is connected with coil (1) and hall sensor (3) from the port.
2. The device for detecting the residual stress of the aluminum alloy by the pulse eddy current as claimed in claim 1, wherein one end of the spring (4) is connected with the top surface of the inner wall of the sleeve (5), and the other end is connected with the bolt (2).
3. The device for detecting the residual stress of the aluminum alloy by the pulse eddy current according to claim 1, wherein the bolt (2) is T-shaped, and the outer extension end of the bolt is provided with an external thread connected with the coil (1).
4. The device for detecting the residual stress of the aluminum alloy through the pulse eddy current as claimed in claim 1, wherein the coil (1) is internally provided with an internal thread, and the internal thread is matched with the external thread of the bolt (2).
5. The device for detecting residual stress of aluminum alloy by pulsed eddy current according to claim 1, wherein the coil (1) is square or circular in shape.
6. The device for detecting the residual stress of the aluminum alloy through the pulse eddy current according to the claim 1, wherein the Hall sensor (3) is fixed on the end face of the end of the bolt (2) and is positioned inside the coil (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022868850.7U CN213481599U (en) | 2020-12-04 | 2020-12-04 | Device for detecting residual stress of aluminum alloy through pulse eddy current |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022868850.7U CN213481599U (en) | 2020-12-04 | 2020-12-04 | Device for detecting residual stress of aluminum alloy through pulse eddy current |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213481599U true CN213481599U (en) | 2021-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022868850.7U Active CN213481599U (en) | 2020-12-04 | 2020-12-04 | Device for detecting residual stress of aluminum alloy through pulse eddy current |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213481599U (en) |
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2020
- 2020-12-04 CN CN202022868850.7U patent/CN213481599U/en active Active
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