Special bracket for multi-scale measurement of detection efficiency of gamma spectrometer

Abstract

The utility model relates to the technical field of measuring brackets, in particular to a bracket special for multi-scale measurement of the detection efficiency of a gamma spectrometer. Concave disc bottom plates are fixedly arranged at the bottom in a staggered manner, and annular grooves are formed by the concave disc bottom plates and the outer edges of the concave disc bottom plates; a plurality of threaded holes are formed in the inner wall of the main body disc plate in a cross-shaped up-and-down penetrating manner; a support frame; and a disc frame is detachably mounted through the screw rod. The structural design flexibility is specifically multi-direction movement, the equipment can freely move in the radial direction and the axial direction through the design of the threaded holes in the main body disc plate, and accurate positioning is achieved. And due to the introduction of the adaptive locking structure, the equipment can adapt to locking of threads with different sizes, and the compatibility and adaptability of the equipment are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of measuring support, specifically relates to a gamma spectrometer detects efficiency multiscale measurement special support. BACKGROUND

[0002] The gamma spectrometer is a kind of instrument widely used in nuclear physics, nuclear chemistry, radiation measurement and environmental monitoring and other fields.In the gamma spectrometer measurement, the relative position between sample and detector is crucial to the accuracy of measurement result, to ensure the accuracy and reliability of measurement result, generally using support to stabilize the position of sample, to ensure the accuracy of distance and relative position between sample and detector.China patent discloses a kind of gamma spectrometer radioactive sample measurement support (authorized announcement No.CN221668037U), the patent technology discloses a kind of gamma spectrometer radioactive sample measurement support, it includes: base;Top tray is connected with base by connecting rod;Movable tray is detachably installed on connecting rod, concentric with top tray;Positioning hole is formed in the center of top tray and movable tray.The gamma spectrometer radioactive sample measurement support, the structure design of base can be fitted on the probe of gamma spectrometer, and then position the entire support position;Three connecting rods are isosceles triangle distribution, ensure the stability and structural balance of support, ensure the uniform load distribution of entire support, reduce unnecessary stress concentration, improve the strength and stability of support;The positioning groove on connecting rod is not only lightened the weight of support, but also provided additional space to place movable tray.The patent technology solves the problem that there is no support special for gamma spectrometer measurement in prior art, can solve the problem of accurate positioning in axial and radial in gamma spectrometer measurement process.

[0003] However, only certain specifications of movable tray can be supported and placed in prior art, cannot be adjustable installation for support, and can only move in axial, cannot solve radial positioning, need to solve the problems that support rod can be adjustable assembly and can meet axial and radial simultaneously in prior art.

[0004] Therefore, the person skilled in the art provides a gamma spectrometer detection efficiency multiscale measurement special support to solve the problems in the above background. UTILITY MODEL CONTENT

[0005] To solve the above technical problems, the utility model provides:

[0006] A gamma spectrometer detection efficiency multiscale measurement special support, comprising:

[0007] Main body disc plate;Bottom staggered fixed recessed disc bottom plate, and form annular groove with the outer edge of recessed disc bottom plate;

[0008] The inner wall of the main disc plate is in a cross shape and is provided with a plurality of threaded holes penetrating through the upper and lower portions;

[0009] The support frame is detachably installed with the disc frame through the screw rod.

[0010] Preferably, the main disc plate is provided with a placing side groove on both sides of the inner edge of the plurality of threaded holes, and the inner sides of the placing side groove are provided with concave spherical grooves; and the plurality of threaded holes are detachably assembled with adaptive locking structures.

[0011] Preferably, the surface of the main disc plate is provided with adaptive sliding rails penetrating through the upper and lower portions of the middle portion, and the middle portion of the surface of the main disc plate is provided with a length-marked scale.

[0012] Preferably, the adaptive locking structure comprises a limiting plate placed in the placing side groove, and the limiting plate is provided with reset holes at positions corresponding to the concave spherical grooves on both sides.

[0013] Preferably, the inner side of the reset hole is movably provided with a convex spherical body, and a reset spring is installed between the convex spherical body and the reset hole.

[0014] Preferably, the bottom of the limiting plate is provided with a reset groove, and a reset plate is slidably arranged in the reset groove, and a tension spring is arranged between the reset plate and the reset groove.

[0015] Preferably, the bottom of the reset plate is integrally fixed with a positioning plate, and the end of the positioning plate away from the reset plate is fixedly assembled with a threaded arc plate with an internal thread.

[0016] Preferably, the disc frame is provided with a threaded hole, the outer side of the disc frame is provided with a support frame, the upper and lower ends of the support frame are fixedly provided with screw rods, and the inner edge of the inner wall of the support frame is provided with a plurality of limiting grooves.

[0017] The technical effects and advantages of the utility model are as follows:

[0018] The structural design flexibility of the utility model is specifically multidirectional movement, through the threaded hole design on the main disc plate, the equipment can freely move in two directions of the radial direction and the axial direction, realize accurate positioning, the adaptive locking structure is introduced, so that the equipment can adapt to different sizes of threaded locking, and the compatibility and adaptability of the equipment are improved.

[0019] The easy installation and maintenance of the utility model is specifically detachable design, the main disc plate, the support frame and the disc frame and other components adopt detachable design, which is convenient for installation and replacement of the equipment, the modular structure, the equipment adopts modular structure design, the connection between the components is close and easy to disassemble, and the maintenance cost is reduced. DRAWINGS

[0020] Figure 1is a structural schematic view of a special support for multi-scale measurement of detection efficiency of a gamma spectrometer provided in the application;

[0021] Figure 2 is a structural schematic view of a special support for multi-scale measurement of detection efficiency of a gamma spectrometer provided in the application Figure 1 is a structural schematic view of a special support for multi-scale measurement of detection efficiency of a gamma spectrometer provided in the application;

[0022] Figure 3 is a structural schematic view of a special support for multi-scale measurement of detection efficiency of a gamma spectrometer provided in the application;

[0023] Figure 4 is a structural schematic view of a special support for multi-scale measurement of detection efficiency of a gamma spectrometer provided in the application;

[0024] Figure 5 is a structural schematic view of a special support for multi-scale measurement of detection efficiency of a gamma spectrometer provided in the application;

[0025] Figure 6 is a structural schematic view of a special support for multi-scale measurement of detection efficiency of a gamma spectrometer provided in the application;

[0026] Figure 7 is a structural schematic view of a special support for multi-scale measurement of detection efficiency of a gamma spectrometer provided in the application.

[0027] in the figure:

[0028] 1, main disc plate; 2, concave disc bottom plate; 3, threaded hole; 4, placement side groove; 5, concave ball groove;

[0029] 6, adaptive locking structure; 601, limiting plate; 602, reset groove; 603, tension spring; 604, reset plate; 605, positioning plate; 606, threaded arc plate; 607, reset hole; 608, reset spring; 609, convex ball;

[0030] 7, slide rail; 8, scale; 9, support frame; 10, limiting groove; 11, screw; 12, disc holder; 13, screw hole. DETAILED DESCRIPTION

[0031] The utility model makes further detailed explanation in combination with the drawings and specific embodiment. The example of the utility model is given for example and description, and is not exhaustive or limit the utility model to the disclosed form. Many modifications and changes are obvious to those skilled in the art. The selection and description of embodiments are to better illustrate the principles and practical application of the utility model, and enable those skilled in the art to understand the utility model so as to design various embodiments with various modifications suitable for specific purposes.

[0032] Embodiment one, please refer to Figure 1 、 Figure 2 、 Figure 6 In this embodiment, a special support for multi-scale measurement of gamma spectrometer detection efficiency is provided, comprising: a main disc plate 1; a concave disc bottom plate 2 is fixed in the bottom staggered layer, and an annular groove is formed with the outer edge of the concave disc bottom plate 2; a plurality of threaded holes 3 are provided in the inner wall of the main disc plate 1 in a cross shape and are open through up and down, and a scale line of 0°-360° is provided in the middle of the main disc plate 1 in a cross shape;

[0033] The main disc plate 1 is clamped above the lead chamber through the annular groove formed by the staggered layer of the concave disc bottom plate 2;

[0034] And the threaded holes 3 arranged in X and Y axes can meet the movement in two radial directions, and the distance between the threaded holes 3 is equal, so that the specific positioning in the radial direction can be realized;

[0035] The inside of the threaded hole 3 can be screw-locked with the external thread connection, and a plurality of connecting rods are used to realize the fixation in horizontal and vertical directions;

[0036] The support frame 9 can be screw-assembled in the inside of the threaded hole 3 of the main disc plate 1 through the screw rod 11;

[0037] Embodiment two, please refer to Figure 4 、 Figure 7 In this embodiment, another structure of the main disc plate 1 is provided, the surface of the main disc plate 1 is symmetrically and through up and down along the middle part, and the sliding rail 7 suitable for installation is provided, the surface of the middle part of the main disc plate 1 is provided with a scale 8 with length marks, and the surface of the main disc plate 1 is provided with a scale line of 0°-360° in a cross shape;

[0038] The two parallel sliding rails 7 on the main disc plate 1 can realize the sliding of the matched connection structure in the radial direction, and the point position can be selected and fixed by itself.

[0039] And the screw rod 11 at the bottom of the support frame 9 penetrates the sliding rail 7 at the bottom of the main disc plate 1, and the external nut is used for locking and fixing;

[0040] And the disc holder 12 is used for placing the source at the hole center, and the disc holder 12 can be screw-locked and assembled on the screw rod 11 at the top of the support frame 9 through the screw hole 13, and the disc holder 12 can be placed and assembled in the limiting groove 10.

[0041] Embodiment three, please refer to Figure 3 In the embodiment, a radioactive sample measuring instrument is provided, which comprises a disc holder 12, a support frame 9, the disc holder 12 is provided with a screw hole 13, the disc holder 12 is provided with the support frame 9 outside, the upper and lower ends of the support frame 9 are both fixedly provided with a screw rod 11, and a plurality of limiting grooves 10 are formed in the inner wall of the support frame 9.

[0042] The disc holder 12 can be screw-locked and assembled on the screw rod 11 at the top of the support frame 9 through the screw hole 13, and can also be placed in the limiting groove 10 between the two support frames 9;

[0043] The middle part of the disc holder 12 is a concave circular groove shape, which is used for placing the source;

[0044] Embodiment four, please refer to Figure 5 In the embodiment, an adaptive locking structure 6 is provided, the main disc plate 1 is provided with a placing side groove 4 on the inner wall of each of the plurality of screw holes 3, and the placing side groove 4 is provided with a concave spherical groove 5 on the inner side of the two sides; the adaptive locking structure 6 is detachably assembled in each of the plurality of screw holes 3, and the adaptive locking structure 6 comprises a limiting plate 601 placed in the placing side groove 4, and the limiting plate 601 is provided with a reset hole 607 at the position corresponding to the concave spherical groove 5 on the two sides.

[0045] A convex spherical body 609 is movably arranged in the reset hole 607, and a reset spring 608 is arranged between the convex spherical body 609 and the reset hole 607.

[0046] The limiting plate 601 is provided with a reset groove 602 at the bottom, a reset plate 604 is slidably arranged in the reset groove 602, and a tension spring 603 is arranged between the reset plate 604 and the reset groove 602.

[0047] The reset plate 604 is integrally fixed with a positioning plate 605 at the bottom, and the positioning plate 605 is fixedly assembled with a threaded arc plate 606 with an internal thread at the end away from the reset plate 604.

[0048] The working principle of the present application according to the above embodiment is:

[0049] When the threaded hole 3 and the size of the connecting rod do not correspond, the adaptive locking structure 6 can be placed in the adaptive screw locking installation, the adaptive locking structure 6 can be placed into the placing side groove 4 through the limiting plate 601, and the convex ball 609 of the limiting plate 601 is limited in the concave ball groove 5, the convex ball 609 is extruded inward when contacting the placing side groove 4, so that the reset spring 608 is compressed, the convex ball 609 is slid to the reset hole 607;

[0050] When the connecting rod is screwed and locked between the two threaded arc plates 606, the threads of the connecting rod and the threads of the threaded arc plates 606 are engaged and locked, and the connecting rod applies force to the positioning plate 605, the positioning plate 605 is compressed by the reset plate 604 to the tension spring 603, and the connecting rod can be assembled and adjusted according to the size.

[0051] In the present application, unless otherwise explicitly specified and limited, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication between two elements or the interaction relationship between two elements, unless otherwise explicitly limited, the specific meaning of the above-mentioned terms in the present application can be understood according to the specific circumstances by the ordinary skilled in the art.

[0052] Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by the ordinary skilled in the art and related fields without creative labor should belong to the scope of protection of the present application. The structures, devices and operation methods not specifically described and explained in the present application, such as without special specification and limitation, are implemented according to the conventional means in the art.

Claims

1. A special holder for multi-scale measurement of detection efficiency of a gamma spectrometer, characterized in that, Include: The main disc plate (1); the bottom staggered fixed recessed bottom plate (2), and the outer edge of the recessed bottom plate (2) forms an annular groove; The inner wall of the main disc plate (1) is cross-shaped and a plurality of threaded holes (3) are provided through the upper and lower portions; Support frame (9); through the screw rod (11) can be detachably installed disc rack (12).

2. The gamma spectrometer detection efficiency multiscale measurement dedicated support of claim 1, wherein, The main disc plate (1) is provided with a placing side groove (4) on both sides of the inner edge of the plurality of threaded holes (3), and recessed ball grooves (5) are provided on both sides of the placing side groove (4); a plurality of threaded holes (3) are detachably assembled with an adaptive locking structure (6).

3. The gamma spectrometer detection efficiency multiscale measurement dedicated support of claim 1, wherein, The surface of the main disc plate (1) is symmetrically provided with an adaptive installation sliding rail (7) through the middle portion, and the middle surface of the main disc plate (1) is provided with a length mark scale (8).

4. The gamma spectrometer detection efficiency multiscale measurement dedicated support of claim 2, wherein, The adaptive locking structure (6) includes a limiting plate (601) placed inside the placing side groove (4), and a reset hole (607) is provided on the both sides of the limiting plate (601) corresponding to the position of the recessed ball groove (5).

5. The gamma spectrometer detection efficiency multiscale measurement dedicated support of claim 4, wherein, The reset hole (607) is movably provided with a convex ball (609), and the convex ball (609) and the reset hole (607) are provided with a reset spring (608).

6. The gamma spectrometer detection efficiency multiscale measurement dedicated support of claim 4, wherein, The bottom of the limiting plate (601) is provided with a reset slot (602), and the reset slot (602) is slidably provided with a reset plate (604), and the reset plate (604) and the reset slot (602) are provided with a tension spring (603).

7. The gamma spectrometer detection efficiency multiscale measurement dedicated support of claim 6, wherein, The bottom of the reset plate (604) is integrally fixed with a positioning plate (605), and the end of the positioning plate (605) away from the reset plate (604) is fixedly assembled with a threaded arc plate (606) with an internal thread.

8. The gamma spectrometer detection efficiency multiscale measurement dedicated support of claim 1, wherein, The disc rack (12) is provided with a threaded hole (13), and the outer side of the disc rack (12) is provided with a support frame (9), and the upper and lower ends of the support frame (9) are fixedly provided with a screw rod (11), and the inner edge of the support frame (9) is provided with a plurality of limiting grooves (10).

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