Magnetic suction bottom plate structure of mu360s type portable residual stress analyzer measuring point positioning instrument

Abstract

The utility model relates to a magnetic suction bottom plate structure of a mu360s type portable residual stress analyzer measuring point positioning instrument, which is characterized by comprising a support base and a suction plate detachably connected above the upper surface of the support base and used for fixing the measuring point positioning instrument, the bottom surface of the supporting base is locally provided with a permanent magnet which is used for being in magnetic attraction connection with the surface of a measured object, and an electromagnet which generates magnetic attraction force on the attraction plate and the surface of the measured object is arranged in the supporting base body. The magnetic attraction bottom plate of the mu360s type portable residual stress analyzer measuring point positioning instrument is reasonable in structural design and can be firmly attracted to the metal surface of a to-be-detected workpiece, and the detection flexibility and applicability are remarkably improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a kind of auxiliary tools of measuring point positioning instrument, especially a kind of μ360s type portable residual stress analyzer measuring point positioning instrument of magnetic attraction bottom plate structure. BACKGROUND

[0002] Residual stress is a kind of internal stress generated in the process of processing, manufacturing and using of material or component, and its size and distribution have important influence on the performance and service life of material;Traditional residual stress measurement methods mainly include mechanical method (such as blind hole method, slotting method, etc.), physical method (such as X-ray diffraction method, neutron diffraction method, etc.) and the like.

[0003] X-ray residual stress measurement technology is based on the principle that the interplanar spacing of material crystal structure changes under stress, and residual stress is calculated by measuring the diffraction angle change of X-ray in material;With the progress of science and technology, X-ray residual stress measurement technology is continuously developed, and a new generation of X-ray residual stress analyzer μ-X360s based on full two-dimensional detector technology appeared in the market in 2012.

[0004] μ360s type portable residual stress analyzer adopts full two-dimensional detector technology, without goniometer, single-angle incidence can complete measurement, which collects 360° omnidirectional diffraction data and obtains complete Debye ring by two-dimensional detector once, and 500 diffraction points can be obtained for residual stress data fitting once, so that the measurement result is more accurate;The instrument also has the characteristics of small size, no cooling water, supporting portable battery power supply, etc.

[0005] But μ360s type portable residual stress analyzer usually needs to be placed above or around the measured sample for measurement when measuring, for some cases that need to measure elevation angle, such as residual stress measurement on the bottom or inclined surface of some large components, the instrument may not be able to measure directly, which limits its application range in complex workpiece measurement to some extent. SUMMARY

[0006] In view of the above prior art deficiencies, the purpose of the present application is to provide a μ360s type portable residual stress analyzer measuring point positioning instrument magnetic suction bottom plate structure, the μ360s type portable residual stress analyzer measuring point positioning instrument magnetic suction bottom plate structure is reasonable in design, can be firmly adsorbed on the metal surface of the workpiece to be detected, and the flexibility and applicability of detection are significantly improved.

[0007] The μ360s type portable residual stress analyzer measuring point positioning instrument magnetic suction bottom plate structure of the present application is characterized by comprising a supporting base, a suction plate detachably connected above the upper surface of the supporting base for fixing the measuring point positioning instrument, a permanent magnet for magnetic suction connection with the surface of the measured object is arranged on the bottom surface of the supporting base, and an electromagnet for generating magnetic adsorption force on the suction plate and the surface of the measured object is arranged in the supporting base.

[0008] Preferably, screw holes are arranged on the suction plate, through holes are arranged on the fixed measuring point positioning instrument, and a screw is locked and connected with the screw holes on the suction plate through the through holes.

[0009] Preferably, a buffer component is arranged between the upper surface of the supporting base and the lower surface of the suction plate, the buffer component is fixedly connected with the lower surface of the suction plate, and the buffer component is not connected with the upper surface of the supporting base.

[0010] Preferably, the buffer component is a spring or a rubber block.

[0011] Preferably, a counterbore groove for fixedly mounting the permanent magnet is arranged on the lower surface of the bottom plate of the supporting base; the electromagnet is arranged on the center portion of the bottom plate of the supporting base, the counterbore groove is arranged at a position deviating from the center portion of the bottom plate of the supporting base, and the bottom plate of the supporting base is made of a non-magnetic material.

[0012] Preferably, an electronic goniometer is arranged on the upper surface of the supporting base.

[0013] The use method of the μ360s type portable residual stress analyzer measuring point positioning instrument magnetic suction bottom plate structure of the present application is as follows: the supporting base is placed on the surface of the measured object or a workbench, the supporting base is preliminarily fixed through the adsorption force of the permanent magnet arranged on the bottom surface of the supporting base,

[0014] The power supply line of the electromagnet extending out of the supporting base is connected to the power supply, the coil of the electromagnet is electrified, electromagnetic force is generated, and the adsorption force between the supporting base and the surface of the measured object is further enhanced; then the μ360s type portable residual stress analyzer measuring point positioning instrument is fixed with the suction plate, and then the suction plate and the measuring point positioning instrument are placed on the upper surface of the supporting base, and the measuring point positioning instrument, the suction plate and the supporting base are relatively fixed under the action of the adsorption force of the electromagnet.

[0015] The magnetic suction bottom plate structure can be firmly adsorbed on the metal surface of the workpiece to be detected in a complex shape or narrow space, and the flexibility and applicability of detection are significantly improved. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model is further explained below in combination with the drawings;

[0017] Figure 1 It is the three-dimensional structure view of the utility model;

[0018] Figure 2 It is the sectional view of the utility model;

[0019] Figure 3 It is the sectional view of the utility model in use state. DETAILED DESCRIPTION

[0020] The utility model is further explained below in combination with the drawings and specific implementation.

[0021] The utility model discloses a magnetic suction bottom plate structure of mu360s type portable residual stress analyzer measuring point positioning instrument, including support base 1, detachable connection on the upper surface of support base 1 is used for fixing measuring point positioning instrument A suction plate 2 (suction plate 2 is made of magnetic conductive material), the bottom surface partial of support base 1 is equipped with permanent magnet 3 for the magnetic suction connection with the surface A1 of measured object, and the support base 1 is equipped with electromagnet 4 in the body and generates the magnetic adsorption force of suction plate and measured object surface.

[0022] In order to realize the fixation of measuring point positioning instrument A on suction plate 2, screw hole A2 is arranged on suction plate 2, through hole A3 is arranged on fixed measuring point positioning instrument A, and screw passes through through hole A3 and is locked and fixedly connected with screw hole A2 on the suction plate.

[0023] In order to play a buffering role when adsorbing the suction plate, a buffering component 5 is arranged between the upper surface of the support base 1 and the lower surface of the suction plate 2, the buffering component 5 is fixedly connected with the lower surface of the suction plate 2, and the buffering component 5 is not connected with the upper surface of the support base 1; the buffering component is a spring or a rubber block; when installing, the mu360s type portable residual stress analyzer measuring point positioning instrument A is fixed with the suction plate 2, then the suction plate 2 and the measuring point positioning instrument A are placed on the upper surface of the support base 1, at this time, under the action of the electromagnetic attraction force, the measuring point positioning instrument A, the suction plate 2 and the support base 1 are relatively adsorbed and fixed, since the measuring point positioning instrument A, the suction plate 2 and the support base 1 are adsorbed and fixed instantaneously, the measuring point positioning instrument A is subjected to a large impact force, and the impact force can be reduced through the buffering component, so that the measuring point positioning instrument A is prevented from being damaged.

[0024] Specifically, the lower surface of the bottom plate 6 of the support base 1 is provided with a counterbore groove 7 for fixing and installing a permanent magnet; the electromagnet 4 is installed on the center part of the support base bottom plate 6, and the setting position of the counterbore groove 7 deviates from the center part of the support base bottom plate; the bottom plate is made of non-magnetic material, so that the magnetic attraction of the electromagnet can act on the surface A1 of the measured object through the bottom plate, and the support base 1 and the surface A1 of the measured object are further fastened; and the counterbore groove 7 for fixing and installing the permanent magnet deviates from the center part of the electromagnet 4, which is also to avoid the influence of the permanent magnet on the adsorption force of the electromagnet.

[0025] In order to facilitate the viewing of the inclination of the measured object surface A1 and the like, the upper surface of the support base is provided with an electronic goniometer 8, which can be fixed by clamping or magnetic attraction or the like with the support base 1; by viewing the reading of the electronic goniometer 8, the angle of the equipment can be adjusted to ensure the accuracy of the measurement

[0026] The use method of the magnetic suction bottom plate structure of the μ360s type portable residual stress analyzer measuring point positioning instrument, the support base is placed on the surface of the measured object or the workbench, the support base is preliminarily fixed by the adsorption force of the permanent magnet provided on the bottom surface of the support base,

[0027] The power line of the electromagnet extending out of the support base is connected to the power supply, the coil of the electromagnet is electrified, the electromagnetic force is generated, and the adsorption force between the support base and the surface of the measured object is further enhanced; then the μ360s type portable residual stress analyzer measuring point positioning instrument and the suction plate are fixed, then the suction plate and the measuring point positioning instrument are placed on the upper surface of the support base, and under the action of the electromagnet adsorption force, the measuring point positioning instrument, the suction plate and the support base are relatively fixed; the built-in CCD camera and the laser auxiliary positioning system of the μ360s type portable residual stress analyzer measuring point positioning instrument are used for measuring point positioning, and the measured workpiece is measured.

[0028] The measuring point positioning instrument and the support base can be firmly adsorbed on the metal surface of the detection equipment component (measured workpiece), and are suitable for various complex shapes of measured workpieces, that is, the measuring point positioning instrument can realize omnidirectional positioning on the surface of the detection equipment component (measured workpiece), and the flexibility and applicability of detection are greatly improved; that is, the measuring point positioning instrument can also detect in a vertical surface or inverted position, further expanding its application scenarios in the industrial field. This has important significance for residual stress detection quality control and life evaluation of complex detection equipment.

[0029] The magnetic suction bottom plate structure can be firmly adsorbed on the metal surface of the workpiece to be detected in a complex shape or narrow space, and the flexibility and applicability of detection are significantly improved.

[0030] It should be noted that the above examples are used to illustrate the technical solutions of the present application, but not to limit them; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, they should be covered in the technical solution range of the present application claimed.

Claims

1. A magnetic suction base plate structure of a μ360s type portable residual stress analyzer measuring point positioning instrument, characterized in that: The support base, the suction plate used for fixing the point positioning instrument above the upper surface of the support base, the permanent magnet on the bottom surface of the support base for magnetic connection with the surface of the measured object, and the electromagnet in the support base for generating magnetic attraction force on the suction plate and the surface of the measured object are provided.

2. The magnetic floor structure of the μ360s portable residual stress analyzer probe positioning instrument according to claim 1, characterized in that: The screw hole is arranged on the suction plate, the through hole is arranged on the fixed point positioning instrument, and the screw is locked and connected with the screw hole on the suction plate.

3. The magnetic floor structure of the μ360s portable residual stress analyzer probe positioning instrument according to claim 1, characterized in that: The buffer component is arranged between the upper surface of the support base and the lower surface of the suction plate, the buffer component is fixedly connected with the lower surface of the suction plate, and the buffer component is not connected with the upper surface of the support base.

4. The magnetic floor structure of the μ360s portable residual stress analyzer probe positioning instrument according to claim 3, characterized in that: The buffer component is a spring or a rubber block.

5. The magnetic bottom plate structure of the μ360s portable residual stress analyzer probe positioning instrument according to claim 3, characterized in that: The lower surface of the bottom plate of the support base is provided with a counterbore groove for fixing and mounting the permanent magnet. The electromagnet is arranged on the center of the bottom plate of the support base, the counterbore groove is arranged away from the center of the bottom plate of the support base, and the bottom plate of the support base is made of a non-magnetic material.

6. The magnetic bottom plate structure of the μ360s portable residual stress analyzer probe positioning instrument according to claim 3, characterized in that: The upper surface of the support base is provided with an electronic goniometer.

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