Equipment for detecting cracks of metal material

Abstract

The invention relates to the technical field of metal material crack detection, in particular to metal material crack detection equipment which comprises a detection device and a detection head, the detection device is arranged in an installation cabinet, a storage groove used for containing the detection head is formed in the left side of the top of the installation cabinet, a rotating groove is formed in the installation cabinet, and the detection head is arranged in the rotating groove. The rear side face in the rotating groove is connected with a rotating column through a bearing. A round cavity is formed in the front side face of the mounting cabinet, an extension column is fixed to the front end of the rotating column, and the front end of the extension column penetrates into the round cavity and is connected with the inner wall of the round cavity through a torsional spring; a connecting line is wound on the rotating column, one end of the connecting line is connected with the detection head, and the other end of the connecting line is connected with the detection device. The detection head can be stored in the storage groove, and the situation that the detection head is exposed outside for a long time when not used, so that pollutants such as dust and oil dirt are attached to the surface of the detection head, signal transmission is hindered, detection sensitivity of the detection head is reduced, and crack recognition capacity is affected is prevented.

Description

Technical Field

[0001] The invention relates to the technical field of metal material crack detection, in particular to a device for detecting metal material cracks. Background Art

[0002] At present, in the production process of metallic materials, due to the action of external loads such as external force and vibration, cracks are prone to appear in the materials, which not only greatly weakens the mechanical strength of the metal materials, but also, once used in mechanical equipment and engineering equipment, it is very likely to continue to expand with the continuous action of external force loads, thereby causing failure of parts, and finally bringing hidden dangers to the safety of mechanical equipment and engineering equipment; In order to effectively detect cracks in ferromagnetic material parts during the production process, people have invented various detection methods, including: X-ray detection, ultrasonic detection, eddy current detection, acoustic emission detection and magnetic leakage, etc.; Most of the above instruments and methods can effectively detect macro cracks in parts, and have become conventional technical means in the industrial field, but there are still shortcomings, that is, there is no storage slot or storage box for storing the detection head, which makes the detection head directly placed at will after each use, and the detection head is exposed to the outside for a long time, so that dust, oil and other pollutants adhere to the surface of the detection head, which will hinder signal transmission, reduce its detection sensitivity, and affect the ability to identify cracks; and the connecting wire connected to the detection device is easy to entangle and break, causing electrical safety hazards. Summary of the invention

[0003] The purpose of the present invention is to provide a device for detecting cracks in metal materials, which can store a detection head in a storage groove to prevent the detection head from being exposed to the outside for a long time when it is not used.

[0004] The technical solution of the present invention:

[0005] A device for detecting cracks in metal materials comprises a detection device and a detection head, wherein the detection device is arranged in an installation cabinet, a storage slot for placing the detection head is provided on the left side of the top of the installation cabinet, a rotating slot is provided inside the installation cabinet, and a rotating column is connected to the rear side of the rotating slot via a bearing; a circular cavity is provided on the front side of the installation cabinet, an extension column is fixed to the front end of the rotating column, the front end of the extension column passes into the circular cavity and is connected to the inner wall of the circular cavity via a torsion spring; a connecting wire is wound around the rotating column, one end of the connecting wire is connected to the detection head, and the other end is connected to the detection device.

[0006] Furthermore, a wire outlet is provided at the upper end of the rotating groove, a wire releasing groove is provided between the wire outlet and the storage groove, and one end of the connecting wire passes through the wire outlet and the wire releasing groove in sequence, and is finally connected to the detection head.

[0007] Furthermore, a mounting groove is provided on the right side of the top of the detection device, a warning light is fixed in the mounting groove, and the warning light is connected to the detection device via a signal line.

[0008] Furthermore, it also includes a protective shell, which has a storage cavity for accommodating the installation cabinet, and the right side of the protective shell has a storage opening connected to the storage cavity.

[0009] Furthermore, a mounting box is fixed on the right side of the top of the protective shell, and a snap-fit ​​cavity is provided in the mounting box. A sliding plate is connected to the inner top surface of the snap-fit ​​cavity via a spring, and a baffle is fixed to the lower end of the sliding plate through the inner bottom surface of the snap-fit ​​cavity. A snap-fit ​​opening for the baffle to pass through is provided on the top of the protective shell, and the snap-fit ​​opening is communicated with the storage cavity;

[0010] A handle is fixed to the top of the protective shell on the left side of the installation box, a sliding opening is provided on the front side of the handle, an air squeezing cavity is provided on the inner top surface of the sliding opening, an air squeezing plate is arranged in the air squeezing cavity, a vertical plate is fixed to the lower end of the air squeezing plate, a pressing plate is fixed to the lower end of the vertical plate, and the air squeezing cavity is connected with the locking cavity through an air outlet pipe.

[0011] Furthermore, guide grooves are provided on the left and right inner walls of the sliding opening, and the left and right ends of the pressing plate extend into the guide grooves.

[0012] Furthermore, an insertion groove is provided at the lower end of the sliding opening.

[0013] Furthermore, slide blocks are fixed on the front and rear inner walls of the storage cavity, and sliding grooves for the slide blocks to slide are provided on the front and rear side surfaces of the installation cabinet.

[0014] Furthermore, limit bars are fixed to both upper and lower ends of the sliding block, and limit grooves for the limit bars to slide are provided on both upper and lower inner walls of the sliding groove.

[0015] Furthermore, a pull-out block is fixed to the right side of the installation cabinet.

[0016] Beneficial effects of the present invention:

[0017] (1) When the detection head finishes detection, store the detection head in the storage slot to prevent the detection head from being exposed to the outside for a long time when it is not in use, so that dust, oil and other pollutants adhere to the surface of the detection head, hinder signal transmission, reduce its detection sensitivity, and affect the ability to identify cracks.

[0018] (2) When in use, take the detection head out of the storage slot, pull the connecting wire, drive the rotating column to rotate in the rotating slot, and at the same time drive the extension column to rotate, and the torsion spring is deformed. After the detection is completed, put the detection head back into the storage slot, and the torsion spring releases the elastic potential energy, drives the rotating column to reverse, and rewinds the connecting wire on the rotating column to prevent the connecting wire from being scattered and entangled when not in use. This winding wire design not only prevents the connecting wire from being scattered and entangled when not in use, keeps the equipment tidy, is more convenient to install, and the detection head is not easy to lose, but also allows the connecting wire to be in a regular state before each detection, preparing for the next detection, and optimizing the detection process.

[0019] The present invention can store the detection head in a storage slot to prevent the detection head from being exposed to the outside for a long time when it is not in use, so that pollutants such as dust and oil are attached to the surface of the detection head, hindering signal transmission, reducing its detection sensitivity, and affecting the crack recognition ability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the cross-sectional structure of the installation cabinet.

[0021] Figure 2 It is a schematic diagram of the structure of the protective shell.

[0022] Figure 3 It is a diagram of the internal structure of the protective casing.

[0023] Figure 4 This is the internal structure diagram of the protective housing (without installation cabinet).

[0024] Figure 5 This is a diagram of the internal structure of the installation box.

[0025] Figure 6 This is a diagram of the internal structure of the handle. DETAILED DESCRIPTION

[0026] The present invention will be further described below in conjunction with the accompanying drawings.

[0027] like Figure 1-Figure 6As shown, the present invention provides a first embodiment of a device for detecting cracks in metal materials, including a detection device and a detection head 9. The detection device is arranged in an installation cabinet 5. A storage slot 8 for placing the detection head 9 is provided on the left side of the top of the installation cabinet 5. When the detection head 9 finishes detection, the detection head 9 is stored in the storage slot 8 to prevent the detection head 9 from being exposed to the outside for a long time when it is not used. A rotating slot 10 is provided inside the installation cabinet 5, and a rotating column 11 is connected to the rear side of the rotating slot 10 via a bearing; a circular cavity 12 is provided on the front side of the installation cabinet 5, and an extension column 13 is fixed to the front end of the rotating column 11, and the front end of the extension column 13 passes through the circular cavity 12 and is connected to the inner wall of the circular cavity 12 via a torsion spring 14; a connecting wire 15 is wound around the rotating column 11, and one end of the connecting wire 15 is connected to the detection head 9, and the other end is connected to the detection device.

[0028] When in use, the detection head 9 is taken out from the storage slot 8, and the connecting line 15 is pulled to drive the rotating column 11 to rotate in the rotating slot 10, and at the same time drive the extension column 13 to rotate, and the torsion spring 14 is deformed. After the detection is completed, the detection head 9 is put back into the storage slot 8, and the torsion spring 14 releases the elastic potential energy to drive the rotating column 11 to reverse, so that the connecting line 15 is rewound around the rotating column 11 to prevent the connecting line 15 from being scattered and entangled at will when not in use.

[0029] On the basis of the first embodiment, the present invention provides a second embodiment of a device for detecting cracks in metal materials, wherein a wire outlet 16 is provided at the upper end of the rotating groove 10, and a wire release groove 17 is provided between the wire outlet 16 and the storage groove 8, and one end of the connecting wire 15 passes through the wire outlet 16 and the wire release groove 17 in sequence, and is finally connected to the detection head 9, the wire outlet 16 is used to guide the connecting wire 15 to exit, and the wire release groove 17 is used to place the connecting wire 15.

[0030] Based on any of the above embodiments, the present invention provides a third embodiment of a device for detecting cracks in metal materials, wherein a mounting slot 18 is provided on the top right side of the detection device, a warning light 19 is fixed in the mounting slot 18, and the warning light 19 is connected to the detection device via a signal line. If a metal crack is detected, the warning light 19 is triggered to light up via the signal line.

[0031] Based on any one of the above embodiments, the present invention provides a fourth embodiment of a device for detecting cracks in metal materials, which also includes a protective shell 1, wherein the protective shell 1 has a storage cavity 101 for accommodating an installation cabinet 5, and the right side surface of the protective shell 1 has a storage port 2 connected to the storage cavity 101, so that the installation cabinet 5 can be stored when not in use.

[0032] On the basis of the fourth embodiment, the present invention provides a fifth embodiment of a device for detecting cracks in metal materials, wherein a mounting box 21 is fixed on the right side of the top of the protective housing 1, and a snap-fitting cavity 25 is provided in the mounting box 21, and a sliding plate 22 is connected to the inner top surface of the snap-fitting cavity 25 via a spring 24, and a baffle 23 is fixed to the lower end of the sliding plate 22 through the inner bottom surface of the snap-fitting cavity 25, and the baffle 23 is used to block the mounting cabinet 5 to prevent the mounting cabinet 5 from sliding out of the storage opening 2, and a snap-fitting opening 32 for the baffle 23 to pass through is provided on the top of the protective housing 1, and the snap-fitting opening 32 is communicated with the storage cavity 101;

[0033] A handle 20 is fixed to the top of the protective shell 1 on the left side of the installation box 21, a sliding opening is provided on the front side of the handle 20, an air squeezing cavity 26 is provided on the inner top surface of the sliding opening, an air squeezing plate 27 is arranged in the air squeezing cavity 26, a vertical plate 28 is fixed to the lower end of the air squeezing plate 27, a pressing plate 29 is fixed to the lower end of the vertical plate 28, and the air squeezing cavity 26 is connected with the locking cavity 25 via an air outlet pipe 30.

[0034] Under normal conditions, the sliding plate 22 is at a higher position in the engaging cavity 25 under the action of the spring 24, and the baffle 23 below it is kept separated from the engaging opening 32. When moving the device, in order to prevent the installation cabinet 5 from accidentally falling out, when the handle 20 is lifted, the internal pressing plate 29 will be squeezed, and the pressing plate 29 will be forced to drive the vertical plate 28 to move upward, thereby pushing the squeezing plate 27 to slide upward in the squeezing cavity 26; the gas in the squeezing cavity 26 enters the engaging cavity 25 through the gas outlet pipe 30 under the squeezing of the squeezing plate 27; the gas entering the engaging cavity 25 pushes the sliding plate 22 to overcome the elastic force of the spring 24 and slide downward, and the baffle 23 at the lower end of the sliding plate 22 moves downward and is engaged in the engaging opening 32, forming an effective barrier to the installation cabinet 5 to prevent it from falling out. When the installation cabinet 5 needs to be taken out, the pressing plate 29 is released, and under the elastic force of the spring 24, the sliding plate 22 is reset upward, and the baffle 23 is separated from the engaging opening 32, thereby releasing the barrier to the installation cabinet 5.

[0035] Based on the fifth embodiment, the present invention provides a sixth embodiment of a device for detecting cracks in metal materials, wherein the left and right inner walls of the sliding opening are provided with guide grooves 210, and the left and right ends of the pressing plate 29 extend into the guide grooves 210, so that the pressing plate 29 plays a guiding role when it moves up and down.

[0036] On the basis of the fifth or sixth embodiment, the present invention provides a seventh embodiment of a device for detecting cracks in metal materials, wherein an insertion groove 211 is provided at the lower end of the sliding opening to facilitate insertion into the handle 20 to squeeze the pressing plate 29 .

[0037] On the basis of any one of the fifth to seventh embodiments, the present invention provides an eighth embodiment of a device for detecting cracks in metal materials, wherein a slider 3 is fixed on the front and rear inner walls of the storage cavity 101, and a slide groove 6 for sliding the slider 3 is provided on the front and rear sides of the installation cabinet 5. Limiting strips 4 are fixed on the upper and lower ends of the slider 3, and limiting grooves 7 for sliding the limiting strip 4 are provided on the upper and lower inner walls of the slide groove 6. Through the cooperation between the slide groove 6 and the slider 3, and the cooperation between the limiting groove 7 and the limiting strip 4, it can play a role of limiting guide when the installation cabinet 5 is taken out and put in.

[0038] Based on any one of the above embodiments, the present invention provides a ninth embodiment of a device for detecting cracks in metal materials, wherein a pull-out block 31 is fixed to the right side of the installation cabinet. When the installation cabinet 5 needs to be taken out, the installation cabinet 5 can be taken out by holding the pull-out block 31 and pulling it to the right.

[0039] The detection device and the detection head in the present invention are both prior art, which are clearly understood by those skilled in the art and will not be described in detail here.

[0040] The above description is only a preferred embodiment of the present invention and should not be construed as limiting the present application. All equivalent changes and modifications made within the scope of the patent application of the present invention should fall within the scope of the present invention.

Claims

1. A device for detecting cracks in metal materials, comprising a detection device and a detection head, wherein the detection device is arranged in an installation cabinet, and is characterized in that: A storage slot for placing the detection head is provided on the left side of the top of the installation cabinet, and a rotating slot is provided inside the installation cabinet, and a rotating column is connected to the inner rear side of the rotating slot via a bearing; a circular cavity is provided on the front side of the installation cabinet, and an extension column is fixed to the front end of the rotating column, and the front end of the extension column passes through the circular cavity and is connected to the inner wall of the circular cavity via a torsion spring; a connecting wire is wound around the rotating column, one end of the connecting wire is connected to the detection head, and the other end is connected to the detection device.

2. The device for detecting cracks in metal materials according to claim 1, characterized in that: A wire outlet is provided at the upper end of the rotating groove, a wire releasing groove is provided between the wire outlet and the storage groove, one end of the connecting wire passes through the wire outlet and the wire releasing groove in sequence, and is finally connected to the detection head.

3. The device for detecting cracks in metal materials according to claim 1, characterized in that: A mounting groove is provided on the right side of the top of the detection device, a warning light is fixed in the mounting groove, and the warning light is connected to the detection device via a signal line.

4. The device for detecting cracks in metal materials according to claim 1, characterized in that: It also includes a protective shell, which has a storage cavity for accommodating the installation cabinet, and the right side of the protective shell has a storage opening connected to the storage cavity.

5. The device for detecting cracks in metal materials according to claim 4, characterized in that: A mounting box is fixed on the right side of the top of the protective shell, and a snap-fit ​​cavity is provided in the mounting box. A sliding plate is connected to the inner top surface of the snap-fit ​​cavity via a spring, and the lower end of the sliding plate penetrates the inner bottom surface of the snap-fit ​​cavity and is fixed with a baffle. A snap-fit ​​opening for the baffle to pass through is provided on the top of the protective shell, and the snap-fit ​​opening is communicated with the storage cavity; A handle is fixed to the top of the protective shell on the left side of the installation box, a sliding opening is provided on the front side of the handle, an air squeezing cavity is provided on the inner top surface of the sliding opening, an air squeezing plate is arranged in the air squeezing cavity, a vertical plate is fixed to the lower end of the air squeezing plate, a pressing plate is fixed to the lower end of the vertical plate, and the air squeezing cavity is connected with the locking cavity through an air outlet pipe.

6. The device for detecting cracks in metal materials according to claim 5, characterized in that: The left and right inner walls of the sliding opening are both provided with guide grooves, and the left and right ends of the pressing plate are both extended into the guide grooves.

7. The device for detecting cracks in metal materials according to claim 5, characterized in that: The lower end of the sliding opening is provided with an insertion groove.

8. The device for detecting cracks in metal materials according to claim 4, characterized in that: Slide blocks are fixed on the front and rear inner walls of the storage cavity, and sliding grooves for the slide blocks to slide are provided on the front and rear side surfaces of the installation cabinet.

9. The device for detecting cracks in metal materials according to claim 8, characterized in that: Limiting strips are fixed on both upper and lower ends of the sliding block, and limiting grooves for sliding of the limiting strips are provided on the upper and lower inner walls of the sliding groove.

10. The device for detecting cracks in metal materials according to claim 1, characterized in that: A drawer block is fixed on the right side of the installation cabinet.

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