CN217846166U

CN217846166U - Magnetic particle flaw detector with demagnetization function

Info

Publication number: CN217846166U
Application number: CN202221494952.XU
Authority: CN
Inventors: 曾凯; 苏鹏
Original assignee: Chenyu Safety Technology Group Co ltd
Current assignee: Chenyu Safety Technology Group Co ltd
Priority date: 2022-06-15
Filing date: 2022-06-15
Publication date: 2022-11-18
Anticipated expiration: 2032-06-15

Abstract

The utility model discloses a magnetic particle inspection appearance with demagnetization function, including the magnetic particle inspection appearance, the casing, the iron core has been inserted in the casing, the both ends face and the fixed mounting that the casing was run through respectively at the iron core both ends have the connection piece, the up end of two connection pieces is provided with the bar magnet jointly, the both ends of bar magnet are provided with splint, every splint equal sliding connection is on the connection piece, two springs of symmetry fixedly connected with on the lateral wall of connection piece, the common fixed mounting of the other end of two springs has the fixed plate, fixed plate fixed mounting is on the lateral wall of casing, common fixed mounting has the telescopic link between fixed plate and the splint. The utility model discloses, place the bar magnet between two splint, two splint back of the body motion compression spring, telescopic link, two splint relative motion under the effect of spring force can carry out the centre gripping to the bar magnet of different length, and convenient and fast has improved magnetic particle flaw detector's application scope.

Description

Magnetic particle flaw detector with demagnetization function

Technical Field

The utility model relates to a flaw detector technical field especially relates to a magnetic particle flaw detector with demagnetization function.

Background

The basis of magnetic particle inspection is that after a magnetic field of a defect part interacts with magnetic powder, magnetic lines of force on the defect part on the surface and near the surface deform after a ferromagnetic material or a workpiece is magnetized, and a detectable magnetic leakage field is formed on the surface of the workpiece, at the moment, magnetic powder is scattered on the surface of the workpiece or magnetic suspension is poured on the surface of the workpiece, magnetic powder particles are adsorbed in a defect area, and the position, the shape and the size of the defect are displayed, which is the basic principle of magnetic particle inspection, but a common magnetic particle inspection instrument cannot detect cracks on the surface of an inner hole of a small-sized element.

The patent number is CN211148514U discloses a hole magnetic particle inspection appearance, including hole magnetic particle inspection appearance, hole magnetic particle inspection appearance passes through the wire and connects magnetization mechanism, hole magnetic particle inspection appearance passes through the switch and connects the power, magnetization mechanism includes casing, iron core, coil, standing groove and bar magnet, the inside fixed grafting of casing has the iron core, the coil has all been cup jointed to the outside upper portion left and right sides of iron core, the standing groove has all been opened to the upper end of iron core, the bar magnet has been placed in the inside activity of standing groove, inside miniwatt silicon controlled rectifier trigger circuit, high-power pulse transformer trigger circuit and the pulse transformer of being equipped with of hole magnetic particle inspection appearance. The inner hole magnetic particle flaw detector solves the problem of detecting cracks in the circumferential direction of the inner hole of a small annular workpiece with a certain thickness, has the functions of demagnetization and a rotating magnetic field, and can be connected with a common magnetic yoke probe to carry out conventional manual magnetic particle flaw detection.

The magnetizing mechanism in the existing magnetic particle flaw detector can not be provided with magnetic bars with different lengths as required, so that the application range of the magnetic particle flaw detector is reduced.

In order to solve the problem, the utility model provides a magnetic particle flaw detector with demagnetization function.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a magnetic particle flaw detector with demagnetization function to solve among the prior art "the bar magnet of the unable as required installation different length of magnetization mechanism among the current magnetic particle flaw detector, reduced the technical problem of magnetic particle flaw detector's application scope".

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a magnetic particle flaw detector with demagnetization function, includes magnetic particle flaw detector, casing, the iron core has been alternated in the casing, the iron core both ends are run through the both ends face and the fixed mounting of casing respectively and are had the connection piece, two the up end of connection piece is provided with the bar magnet jointly, the both ends of bar magnet are provided with splint, every the equal sliding connection of splint is on the connection piece, two springs of symmetry fixedly connected with on the lateral wall of connection piece the common fixed mounting of the other end of spring has the fixed plate, fixed plate fixed mounting is on the lateral wall of casing, common fixed mounting has the telescopic link between fixed plate and the splint.

As the preferred technical scheme of the utility model, casing, iron core all are the U type form.

As the utility model discloses an optimized technical scheme, be provided with the demagnetizer on the magnetic particle flaw detector, be connected through the wire between magnetic particle flaw detector and the demagnetizer.

As the utility model discloses an optimized technical scheme, be connected through the wire between magnetic particle flaw detector and the casing.

As the utility model discloses a preferred technical scheme, seted up in the casing with casing assorted U type groove, casing fixed mounting is in U type inslot.

As the utility model discloses an optimal technical scheme, two one side that splint are relative all is provided with anti-skidding line.

As the utility model discloses an optimized technical scheme, the cover is equipped with the coil on the both ends lateral wall of iron core.

The utility model provides a magnetic particle flaw detector with demagnetization function possesses following beneficial effect:

place the bar magnet between two splint, two splint back of the body motion compression spring, telescopic link mutually, two splint relative motion under the effect of spring force can carry out the centre gripping to the bar magnet of different length, and convenient and fast has improved magnetic particle inspection appearance's application scope.

Drawings

Fig. 1 is a schematic view of a three-dimensional structure of a magnetic particle flaw detector with a demagnetization function according to the present invention;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 telescopic link, 2 connection pieces, 3 bar magnets, 4 clamping plates, 5 springs, 6 fixing plates, 7 coils, 8 iron cores, 9 shells, 10 magnetic particle flaw detectors and 11 demagnetizers.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Examples

Referring to fig. 1-2, the present invention provides a technical solution: the utility model provides a magnetic particle flaw detector with demagnetization function, including magnetic particle flaw detector 10, casing 9, iron core 8 has been inserted in casing 9, iron core 8 both ends run through casing 9's both ends face and fixed mounting respectively have connection piece 2, the up end of two connection pieces 2 is provided with bar magnet 3 jointly, the both ends of bar magnet 3 are provided with splint 4, the equal sliding connection of every splint 4 is on connection piece 2, two springs 5 of symmetry fixedly connected with on the lateral wall of connection piece 2, the common fixed mounting of the other end of two springs 5 has fixed plate 6, fixed plate 6 fixed mounting is on the lateral wall of casing 9, common fixed mounting has telescopic link 1 between fixed plate 6 and the splint 4.

Wherein, casing 9, iron core 8 all are the U type form, are convenient for install iron core 8 in casing 9.

Wherein, be provided with demagnetizer 11 on the magnetic particle flaw detector 10, be connected through the wire between magnetic particle flaw detector 10 and the demagnetizer 11, after magnetic particle flaw detector 10 used up, demagnetizer 11 can carry out the demagnetization to magnetic particle flaw detector 10.

Wherein, the magnetic particle flaw detector 10 is connected with the shell 9 through a lead.

Wherein, set up in the casing 9 and iron core 8 assorted U type groove, iron core 8 fixed mounting is in U type groove.

Wherein, the relative one side of two splint 4 all is provided with anti-skidding line, has improved the frictional force between splint 4 and bar magnet 3, has improved the stability of bar magnet 3.

Wherein, the lateral wall of the two ends of the iron core 8 is sleeved with a coil 7.

The utility model discloses a theory of operation: place bar magnet 3 between two splint 4, two splint 4 looks back of the body motion compression spring 5, telescopic link 1, two splint 4 relative motion under the effect of spring 5 elasticity, can carry out the centre gripping to bar magnet 3 of different length, convenient and fast has improved magnetic particle flaw detector's application scope.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention. In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "upper, lower, inner and outer" and the like are based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention. Furthermore, the terms first, second, or third are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Claims

1. The utility model provides a magnetic particle flaw detector with demagnetization function, includes magnetic particle flaw detector (10), casing (9), its characterized in that, iron core (8) have been alternated in casing (9), the both ends face and the fixed mounting that casing (9) were run through respectively at iron core (8) both ends have connection piece (2), two the up end of connection piece (2) is provided with bar magnet (3) jointly, the both ends of bar magnet (3) are provided with splint (4), every splint (4) equal sliding connection is on connection piece (2), two symmetrical fixedly connected with spring (5), two on the lateral wall of connection piece (2) the common fixed mounting of the other end of spring (5) has fixed plate (6), fixed plate (6) fixed mounting is on the lateral wall of casing (9), common fixed mounting has telescopic link (1) between fixed plate (6) and splint (4).

2. The magnetic particle flaw detector with the demagnetization function of claim 1, wherein the shell (9) and the iron core (8) are both U-shaped.

3. The magnetic particle flaw detector with the demagnetization function according to claim 1, wherein a demagnetizer (11) is arranged on the magnetic particle flaw detector (10), and the magnetic particle flaw detector (10) is connected with the demagnetizer (11) through a conducting wire.

4. The magnetic particle flaw detector with the demagnetization function of claim 1, wherein the magnetic particle flaw detector (10) is connected with the shell (9) through a wire.

5. The magnetic particle flaw detector with the demagnetization function according to claim 1, wherein a U-shaped groove matched with the shell (9) is formed in the shell (9), and the shell (9) is fixedly installed in the U-shaped groove.

6. The magnetic particle flaw detector with the demagnetization function according to claim 1, wherein the coils (7) are sleeved on the side walls of the two ends of the iron core (8).