A portable experimental device for measuring angle dependence of ferromagnetic resonance linewidth

Abstract

The application provides a kind of portable experimental device for measuring ferromagnetic resonance linewidth angle dependence, including base and the top of vertical hydraulic rod in the center of base is movably connected with goods table through spherical connecting seat;The bottom surface of goods table is fixed with driven adjusting mechanism, top adjusting mechanism includes circular ring, arc sleeve and first connecting rod, the base is also provided with driving adjusting mechanism, bottom ring is rotatably connected in outer cylinder, the bottom of bottom ring is fixed with circular gear plate, the inside of base is also fixed with driving motor, the output shaft of driving motor is fixed with driving gear, and the circular gear plate between driving gear is meshed connection, the bottom ring is rotatably connected with rotating ring, the outer of rotating ring is fixed with second connecting rod, and the second connecting rod and the first connecting rod are installed with inclined hydraulic rod.The height and rotation angle of goods table can be adjusted by driving adjusting mechanism and driven adjusting mechanism, which is beneficial to the accurate measurement.

Description

Technical Field

[0001] This invention belongs to the technical field of ferromagnetic resonance experimental devices, specifically relating to a convenient experimental device for measuring the dependence of ferromagnetic resonance linewidth on angle. Background Technology

[0002] Ferromagnetic resonance (FMR) is a spectroscopic technique for detecting the magnetization of ferromagnetic materials. It is a standard tool for probing spin waves and spin dynamics. FMR is very similar to electron paramagnetic resonance (EPR) and somewhat similar to nuclear magnetic resonance (NMR), except that FMR detects sample magnetization caused by the magnetic moments of dipole-coupled but unpaired electrons, while NMR detects the magnetic moments of atomic nuclei with non-zero spin nuclei surrounded by atomic or molecular orbitals.

[0003] When measuring the angle dependence of ferromagnetic resonance linewidth in the laboratory, it is usually necessary to adjust the height and tilt angle of the object being measured, mainly by in-plane rotation. To prevent frictional damage to the sample surface, a lifting-rotating-lowering motion is required. However, existing experimental equipment is relatively simple, and its accuracy and operability in adjusting height and angle are poor, affecting the precision of the experiment. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a convenient experimental device for measuring the dependence of ferromagnetic resonance linewidth on angle, in order to address the shortcomings of the prior art mentioned above.

[0005] To solve the above technical problems, the technical solution adopted by the present invention is: a convenient experimental device for measuring the dependence of ferromagnetic resonance linewidth angle, including a base and a vertical hydraulic rod installed vertically at the center of the base, wherein the top of the vertical hydraulic rod is movably connected to a platform through a spherical connecting seat;

[0006] The bottom surface of the shelf is fixed with a driven adjustment mechanism, which includes a circular ring, an arc sleeve and a first connecting rod. The inner side of the circular ring is fixed with inclined rods at equal intervals. The top of the inclined rods is fixed to the bottom surface of the shelf. The outer side of the circular ring is rotatably connected with an arc sleeve. The outer side of the arc sleeve is longitudinally movably connected with a slider. The top of the first connecting rod is fixed to the outer end of the slider.

[0007] The base is also equipped with an active adjustment mechanism, which includes an outer cylinder, a bottom ring, a rotating ring, a circular toothed plate, and an active motor. The outer cylinder is an annular cylinder with openings at both the top and bottom. The bottom ring is rotatably connected inside the outer cylinder. A circular toothed plate is fixed to the bottom of the bottom ring. An active motor is also fixed inside the base. An active gear is fixed on the output shaft of the active motor. The circular toothed plates of the active gear are meshed together. A rotating ring is rotatably connected to the bottom ring. A second connecting rod is fixed outside the rotating ring.

[0008] An inclined hydraulic rod is installed between the second link and the first link.

[0009] Furthermore, the plane on which the shelf is located is parallel to the plane on which the circular ring is located, the center of the shelf and the center of the circular ring are on the same vertical line, and the vertical line is perpendicular to the plane on which the shelf is located.

[0010] Furthermore, the arc of the arc sleeve is not less than 180 degrees.

[0011] Furthermore, the movable plane of the slider is perpendicular to the plane containing the circular ring.

[0012] Furthermore, the top surface of the shelf is provided with an anti-slip layer.

[0013] Furthermore, a circular shaft is provided on the bottom ring, and the rotating ring is rotatably connected to the outside of the circular shaft.

[0014] Furthermore, the opening angle at the top of the outer cylinder is no greater than 180 degrees, and the axis of the outer cylinder coincides with the axis of the bottom ring.

[0015] Furthermore, the circular toothed plate is rotatably connected to the bottom opening of the outer cylinder, and the circular toothed plate extends vertically to the outside of the outer cylinder.

[0016] Furthermore, the base is also provided with a semi-circular protective cover, on which three vertical limiting mechanisms are evenly fixed. Each vertical limiting mechanism is movably connected to a limiting ball, which is used to complete the stable operation after the table is adjusted.

[0017] Furthermore, the vertical limiting mechanism includes a rectangular tube, a vertical screw, a threaded cylinder, a horizontal hydraulic rod, and a limiting ball. The rectangular tube is fixed inside a semi-circular protective cover. The vertical screw is vertically rotatably connected inside the rectangular tube. A motor for driving the vertical screw is installed at the top of the rectangular tube. The threaded cylinder is externally threaded to the vertical screw. A horizontal hydraulic rod is fixed outside the threaded cylinder. The horizontal hydraulic rod is slidably connected to the rectangular tube, and a limiting ball, which is a rubber ball, is fixed to the outer end of the telescopic shaft of the horizontal hydraulic rod.

[0018] Compared with the prior art, the present invention has the following advantages:

[0019] This invention features a platform connected to a base via a vertical hydraulic rod. The platform and base are further coordinated by an active adjustment mechanism, an inclined hydraulic rod, and a driven adjustment mechanism. In use, the sample to be measured is first placed at the center of the platform, initially keeping it level. Then, the vertical and inclined hydraulic rods work synchronously to raise and lower the platform to a suitable position for horizontal measurement. After the horizontal measurement, when measurements at different positions and angles are required, the desired tilt position is first determined. Then, the limiting balls of the vertical limiting mechanism are used to hold the platform against its three sides, achieving initial stability. Finally, an active motor drives the base ring to rotate, which in turn drives the second connecting rod and its connection points. The rotation of the inclined hydraulic rod drives the arc-shaped sleeve on the driven adjustment mechanism to adjust its position on the circular ring, thus facilitating the convenient adjustment of the platform's rotation. When the arc-shaped sleeve moves below the desired tilt position of the platform, the active motor stops. Then, the horizontal hydraulic rod releases the clamping force between the limit ball and the platform, and the inclined hydraulic rod is activated again to fine-tune the platform's angle. Once the adjustment is appropriate, the vertical limit mechanism drives the limit ball to adjust its height until it aligns with the side of the platform again. Finally, the horizontal hydraulic rod is pressed against the side of the platform to adjust the platform's tilt angle and position. Through the cooperation of the active and driven adjustment mechanisms, fine adjustments to any position and angle of the platform can be achieved, facilitating accurate measurements. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of the present invention;

[0021] Figure 2 This is a top view of the overall structure of the invention;

[0022] Figure 3 This is a cross-sectional view of the driven adjustment mechanism of the present invention;

[0023] Figure 4 This is a partial cross-sectional view of the active adjustment mechanism of the present invention.

[0024] Explanation of reference numerals in the attached drawings: 1-Base; 2-Semi-circular protective cover; 3-Vertical hydraulic rod; 31-Spherical connecting seat; 4-Placement platform; 5-Driven adjustment mechanism; 51-Circular ring; 52-Diagonal rod; 53-Arc-shaped sleeve; 54-Slider; 55-First connecting rod; 6-Active adjustment mechanism; 61-Outer cylinder; 62-Bottom ring; 63-Circular shaft; 64-Rotating ring; 65-Circular toothed plate; 66-Active motor; 67-Active gear; 68-Second connecting rod; 7-Diagonal hydraulic rod; 8-Vertical limiting mechanism; 81-Rectangular cylinder; 82-Vertical screw; 83-Threaded cylinder; 84-Horizontal hydraulic rod; 85-Limiting ball. Detailed Implementation

[0025] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0026] like Figure 1-4 As shown, the present invention provides a technical solution: a convenient experimental device for measuring the dependence of ferromagnetic resonance linewidth angle, including a base 1 and a vertical hydraulic rod 3 vertically installed at the center of the base 1. The top of the vertical hydraulic rod 3 is movably connected to a platform 4 through a spherical connecting seat 31. The overall height of the platform 4 is adjusted by the vertical hydraulic rod 3.

[0027] To prevent the measurement sample placed on the platform 4 from sliding relative to each other during the adjustment process, the top surface of the platform 4 is provided with an anti-slip layer 41.

[0028] The bottom surface of the shelf 4 is fixed with a driven adjustment mechanism 5. The driven adjustment mechanism 5 includes a circular ring 51, an arc sleeve 53 and a first connecting rod 55. The inner side of the circular ring 51 is fixed with inclined rods 52 at equal intervals. The top of the inclined rods 52 is fixed to the bottom surface of the shelf 4.

[0029] In order to facilitate the adjustment of the platform 4 when the driven adjustment mechanism 5 is used, the plane on which the platform 4 is located is parallel to the plane on which the circular ring 51 is located. The center of the platform 4 and the center of the circular ring 51 are on the same vertical line, and the vertical line is perpendicular to the plane on which the platform 4 is located.

[0030] An arc-shaped sleeve 53 is rotatably connected to the outer side of the circular ring 51. To prevent the arc-shaped sleeve 53 from slipping off the circular ring 51 during use, the arc of the arc-shaped sleeve 53 is not less than 180 degrees.

[0031] The outer side of the arc-shaped sleeve 53 is longitudinally connected to a slider 54. The movable plane of the slider 54 is perpendicular to the plane of the circular ring 51. The top end of the first connecting rod 55 is fixed to the outer end of the slider 54, so that the first connecting rod 55 can also be adjusted with the slider 54.

[0032] The base 1 is also provided with an active adjustment mechanism 6, which includes an outer cylinder 61, a bottom ring 62, a rotating ring 64, a circular toothed plate 65, and an active motor 66. The outer cylinder 61 is an annular cylinder with openings at both the top and bottom. The bottom ring 62 is rotatably connected inside the outer cylinder 61. The opening angle at the top of the outer cylinder 61 is no greater than 180 degrees, and the axis of the outer cylinder 61 coincides with the axis of the bottom ring 62.

[0033] A circular toothed plate 65 is fixed to the bottom of the bottom ring 62. The circular toothed plate 65 is rotatably connected to the bottom opening of the outer cylinder 61 and extends vertically to the outside of the outer cylinder 61. An active motor 66 is also fixed inside the base 1. An active gear 67 is fixed on the output shaft of the active motor 66. The active gear 67 is meshed with the circular toothed plate 65. The active motor 66 can drive the active gear 67 to rotate, thereby driving the circular toothed plate 65 to rotate, and thus driving the bottom ring 62 to rotate.

[0034] A circular shaft 63 is provided on the bottom ring 62, and a rotating ring 64 is rotatably connected to the outside of the circular shaft 63. A second connecting rod 68 is fixed outside the rotating ring 64. When the bottom ring 62 rotates, the position of the circular shaft 63 on the bottom ring 62 changes, thereby driving the position of the second connecting rod 68 to change.

[0035] To facilitate tilting of the platform 4 at different positions and angles, an inclined hydraulic rod 7 is installed between the second link 68 and the first link 55.

[0036] The base 1 is also provided with a semi-circular protective cover 2, and three vertical limiting mechanisms 8 are evenly fixed on the semi-circular protective cover 2. The vertical limiting mechanism 8 is movably connected to a limiting ball 85, and the stabilization operation of the platform 4 is completed through the limiting ball 85.

[0037] To facilitate adjustment and fixation at different heights, the vertical limiting mechanism 8 includes a rectangular cylinder 81, a vertical screw 82, a threaded cylinder 83, a horizontal hydraulic rod 84, and a limiting ball 85. The rectangular cylinder 81 is fixed inside the semi-circular protective cover 2. The vertical screw 82 is vertically rotatably connected inside the rectangular cylinder 81. A motor for driving the vertical screw 82 is installed at the top of the rectangular cylinder 81. The threaded cylinder 83 is externally threaded to the vertical screw 82. The horizontal hydraulic rod 84 is fixed externally to the threaded cylinder 83. The horizontal hydraulic rod 84 is slidably connected to the rectangular cylinder 81, and a limiting ball 85, which is a rubber ball, is fixed to the outer end of the telescopic shaft of the horizontal hydraulic rod 84.

[0038] In summary, when using this method, first place the sample to be measured on the center of the platform 4, keeping the platform 4 horizontal initially. Then, use the vertical hydraulic rod 3 and the diagonal hydraulic rod 7 to simultaneously raise and lower the platform 4 to a suitable position for horizontal measurement.

[0039] When it is necessary to measure different positions and different tilt angles after the horizontal measurement is completed, first determine the position to be tilted, and then use the limit ball 85 of the vertical limit mechanism 8 to abut against the three sides of the platform 4 to complete the initial stable placement of the platform 4.

[0040] Then, the active motor 66 drives the bottom ring 62 to rotate. When the bottom ring 62 rotates, it can drive the second connecting rod 68 and the inclined hydraulic rod 7 connected to the second connecting rod 68 to rotate, thereby driving the arc sleeve 53 on the driven adjustment mechanism 5 to adjust the position on the circular ring 51. When the arc sleeve 53 moves to below the position where the platform 4 needs to be tilted, the active motor 66 stops.

[0041] Then, using the horizontal hydraulic rod 84 to release the clamping action between the limiting ball 85 and the platform 4, the oblique hydraulic rod 7 is activated to make a fine adjustment of the angle of the platform 4. After the adjustment is appropriate, the vertical limiting mechanism 8 is used to drive the limiting ball 85 to make a height adjustment. After the adjustment is stopped when it corresponds to the side of the platform 4 again, the horizontal hydraulic rod 84 is used to press against the side of the platform 4 to complete the adjustment of the tilt angle and tilt position of the platform 4. Through the cooperation of the active adjustment mechanism 6 and the driven adjustment mechanism 5, the fine adjustment of the platform 4 at any position and different angles can be completed, which is conducive to the accurate measurement.

[0042] It should be noted that, in this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Although embodiments of the invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A convenient experimental apparatus for measuring the dependence of ferromagnetic resonance linewidth on angle, characterized in that: Includes a base (1) and a vertical hydraulic rod (3) installed vertically at the center of the base (1). The top of the vertical hydraulic rod (3) is movably connected to a shelf (4) via a ball joint (31). The bottom surface of the shelf (4) is fixed with a driven adjustment mechanism (5). The driven adjustment mechanism (5) includes a circular ring (51), an arc sleeve (53) and a first connecting rod (55). The inner side of the circular ring (51) is fixed with inclined rods (52) at equal intervals. The top end of the inclined rods (52) is fixed to the bottom surface of the shelf (4). The outer side of the circular ring (51) is rotatably connected with the arc sleeve (53). The outer side of the arc sleeve (53) is longitudinally movably connected with a slider (54). The top end of the first connecting rod (55) is fixed to the outer end of the slider (54). The base (1) is also provided with an active adjustment mechanism (6). The active adjustment mechanism (6) includes an outer cylinder (61), a bottom ring (62), a rotating ring (64), a circular toothed plate (65), and an active motor (66). The outer cylinder (61) is an annular cylinder with openings at both the top and bottom. The bottom ring (62) is rotatably connected inside the outer cylinder (61). A circular toothed plate (65) is fixed at the bottom of the bottom ring (62). An active motor (66) is also fixed inside the base (1). An active gear (67) is fixed on the output shaft of the active motor (66). The active gear (67) meshes with the circular toothed plate (65). A rotating ring (64) is rotatably connected on the bottom ring (62). A second connecting rod (68) is fixed outside the rotating ring (64). An inclined hydraulic rod (7) is installed between the second link (68) and the first link (55).

2. The experimental apparatus for conveniently measuring the dependence of ferromagnetic resonance linewidth on angle, as described in claim 1, is characterized in that... The plane of the shelf (4) and the plane of the circular ring (51) are parallel to each other. The center of the shelf (4) and the center of the circular ring (51) are on the same vertical line, and the vertical line is perpendicular to the plane of the shelf (4).

3. The experimental apparatus for conveniently measuring the dependence of ferromagnetic resonance linewidth on angle, as described in claim 1, is characterized in that... The arc of the arc sleeve (53) is not less than 180 degrees.

4. The experimental apparatus for conveniently measuring the dependence of ferromagnetic resonance linewidth on angle, as described in claim 1, is characterized in that... The movable plane of the slider (54) is perpendicular to the plane of the circular ring (51).

5. The experimental apparatus for conveniently measuring the dependence of ferromagnetic resonance linewidth on angle according to claim 1, characterized in that, The top surface of the shelf (4) is provided with an anti-slip layer (41).

6. The experimental apparatus for conveniently measuring the dependence of ferromagnetic resonance linewidth on angle according to claim 1, characterized in that, A circular shaft (63) is provided on the bottom ring (62), and the rotating ring (64) is rotatably connected to the outside of the circular shaft (63).

7. The experimental apparatus for conveniently measuring the dependence of ferromagnetic resonance linewidth on angle, as described in claim 1, is characterized in that... The opening angle at the top of the outer cylinder (61) is no greater than 180 degrees, and the axis of the outer cylinder (61) coincides with the axis of the bottom ring (62).

8. The experimental apparatus for conveniently measuring the dependence of ferromagnetic resonance linewidth on angle according to claim 1, characterized in that, The circular toothed plate (65) is rotatably connected to the bottom opening of the outer cylinder (61), and the circular toothed plate (65) extends vertically to the outside of the outer cylinder (61).

9. The experimental apparatus for conveniently measuring the dependence of ferromagnetic resonance linewidth on angle according to claim 1, characterized in that, The base (1) is also provided with a semi-circular protective cover (2), and three vertical limiting mechanisms (8) are evenly fixed on the semi-circular protective cover (2). A limiting ball (85) is movably connected to the vertical limiting mechanism (8), and the stable operation of the platform (4) is completed after adjustment by the limiting ball (85).

10. The experimental apparatus for conveniently measuring the dependence of ferromagnetic resonance linewidth on angle according to claim 9, characterized in that, The vertical limiting mechanism (8) includes a rectangular tube (81), a vertical screw (82), a threaded tube (83), a horizontal hydraulic rod (84), and a limiting ball (85). The rectangular tube (81) is fixed inside a semi-circular protective cover (2). The vertical screw (82) is vertically rotatably connected inside the rectangular tube (81). A motor for driving the vertical screw (82) is installed at the top of the rectangular tube (81). The threaded tube (83) is externally threaded to the vertical screw (82). The horizontal hydraulic rod (84) is fixed outside the threaded tube (83). The horizontal hydraulic rod (84) is slidably connected to the rectangular tube (81), and a limiting ball (85) is fixed at the outer end of the telescopic shaft of the horizontal hydraulic rod (84). The limiting ball (85) is a rubber ball.

Images