Rapid positioning rotating tool for nuclear instrument calibration

Abstract

The utility model discloses a quick positioning rotating tool for nuclear instrument calibration, which comprises a bottom plate, a mounting plate is rotatably mounted on the bottom plate, and a mounting frame is mounted on the mounting plate and used for mounting a workpiece; wherein the mounting plate is parallel to the bottom plate and can rotate around the rotating center of the mounting plate in the plane where the plate surface of the mounting plate is located; a limiting and fixing structure is arranged on the bottom plate and / or the mounting plate, and when the mounting plate rotates to a preset angle, the mounting plate can be fixedly connected with the bottom plate through the limiting and fixing structure. The multi-angle nuclear irradiation calibration device is simple in structure, convenient to operate and capable of rapidly completing multi-angle nuclear irradiation calibration of the nuclear instrument.

Description

Technical Field

[0001] The utility model relates to the technical field of nuclear instrument calibration tooling, in particular to a rapid positioning and rotating tooling for nuclear instrument calibration. Background Art

[0002] A large number of nuclear instruments are needed in the field of nuclear detection, and the performance of nuclear instruments in radiation environments is mainly determined through calibration. The current nuclear instrument calibration requires positioning the nuclear instrument and then performing nuclear irradiation at different angles. Each time the nuclear irradiation angle is set, angle adjustment and positioning must be performed. The operation is cumbersome and the calibration efficiency is low. In particular, the actual positioning difficulty of multi-angle calibration for larger products is high and the operation is inconvenient. Utility Model Content

[0003] In view of the above-mentioned deficiencies in the prior art, the purpose of the present invention is to provide a rapid positioning rotary tool for nuclear instrument calibration, so as to solve the problems of high positioning difficulty and inconvenient operation in the prior art multi-angle calibration of nuclear instruments.

[0004] In order to solve the above technical problems, the technical solution adopted by the present invention is as follows: a rapid positioning rotary tool for nuclear instrument calibration, comprising a base plate, a mounting plate rotatably mounted on the base plate, and a mounting frame mounted on the mounting plate for mounting a workpiece; wherein the mounting plate is parallel to the base plate and can rotate around its rotation center within the plane where its plate surface is located; a limiting fixing structure is provided on the base plate and / or the mounting plate, and when the mounting plate is rotated to a preset angle, it can be fixedly connected to the base plate through the limiting fixing structure.

[0005] As an optimization, the limiting and fixing structure includes a pin hole opened on the mounting plate at a preset distance from its rotation center, and a stop pin slidingly inserted into the pin hole. Correspondingly, a plurality of circularly distributed sockets with the projection of the rotation center of the mounting plate on the base plate as the center of the circle are provided on the base plate. When the mounting plate is rotated to a preset angle, the stop pin can be inserted into one of the sockets after passing through the pin hole.

[0006] As an optimization, a plurality of divergent scale line grooves are provided on the bottom plate, and the plurality of scale line grooves intersect at the projection of the rotation center of the mounting plate on the bottom plate, and each scale line groove corresponds to each jack.

[0007] As an optimization, a first annular boss is provided on the base plate, and the circle of the first annular boss coincides with the projection of the rotation center of the mounting plate on the base plate; a second annular boss is provided on the outer side of the first annular boss in a sliding fit and coaxial sleeve, so that the second annular boss can rotate freely around its center of circle, and the thickness of the second annular boss is greater than that of the first annular boss, and the mounting plate is fixedly connected to the table surface of the second annular boss.

[0008] As an optimization, a plurality of first screw holes are distributed around the surface of the second annular boss, and a plurality of second screw holes are opened on the mounting plate and distributed around the circumference and corresponding to the fixing screw holes. The mounting plate is fixedly connected to the second boss by fixing bolts passing through the first screw holes and the second screw holes.

[0009] As an optimization, multiple mounting holes are provided on the mounting plate for installing mounting brackets of various specifications.

[0010] Compared with the prior art, the present invention has the following advantages: by arranging a rotatable mounting plate on the base plate, and directly installing the corresponding mounting bracket on the mounting plate as needed, it is used to install the workpiece or nuclear instrument to be calibrated, and then by rotating the mounting plate to a certain angle and fixing it through a limiting fixing structure, the angle adjustment of the workpiece or nuclear instrument is quickly completed, thereby quickly completing the nuclear irradiation calibration at various angles. It has a simple structure, is easy to operate, and has good versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a structural diagram of the utility model;

[0012] In the figure: 1 base plate, 2 mounting plate, 3 mounting frame, 4 pin hole, 5 stop pin, 6 jack, 7 scale line groove, 8 first annular boss, 9 second annular boss, 10 mounting hole. DETAILED DESCRIPTION

[0013] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0014] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the utility model for protection, but merely represents the selected embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0015] It should be noted that similar reference numerals and letters denote similar items in the following figures. Therefore, once an item is defined in one figure, it does not require further definition or explanation in subsequent figures. In the description of the present invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicating orientations or positional relationships, are based on the orientations or positional relationships shown in the figures, or the orientations or positional relationships in which the inventive product is typically placed when in use. These terms are intended solely to facilitate the description of the present invention and simplify the description. They do not indicate or imply that the devices or components referred to must have a specific orientation, be constructed, or operate in a specific orientation, and are therefore not to be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third," etc., are used solely to distinguish descriptions and are not to be construed as indicating or implying relative importance. Furthermore, terms such as "horizontal" and "vertical" do not imply that a component must be absolutely horizontal or overhanging, but rather may be slightly tilted. For example, "horizontal" simply refers to a direction that is more horizontal than "vertical," and does not imply that the structure must be completely horizontal, but rather may be slightly tilted. In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

[0016] Example: See Figure 1 A rapid positioning rotary tooling for nuclear instrument calibration includes a horizontally arranged base plate 1, on which a corresponding mounting structure is provided for quick and convenient installation on a calibration table of a nuclear irradiation calibration device, a mounting plate 2 is rotatably mounted on the base plate 1, and a mounting frame 3 is mounted on the mounting plate 2 for mounting a workpiece or a nuclear instrument.

[0017] The mounting plate 2 is parallel to the base plate 1 and can rotate around its rotation center within the plane of its plate surface. Specifically, a first annular boss 8 is provided on the base plate 1, and the circular shape of the first annular boss 8 coincides with the projection of the rotation center of the mounting plate 2 on the base plate 1. A second annular boss 9 is provided on the outer side of the first annular boss 8 in a sliding fit and coaxial sleeve, so that the second annular boss 9 can rotate freely around its center of circle, and the thickness of the second annular boss 9 is greater than that of the first annular boss 8. The mounting plate 2 is fixedly connected to the table surface of the second annular boss 9. A sliding groove or slide can be provided on the outer circumferential surface of the first annular boss 8, and correspondingly, a matching slide or groove is provided on the inner circumferential surface of the second annular boss 9 to ensure that the second annular boss 9 will not fall off during rotation. There are multiple first screw holes distributed around the surface of the second annular boss 9, and multiple second screw holes distributed around the circumference and corresponding to the fixing screw holes are opened on the mounting plate 2. The mounting plate 2 is fixedly connected to the second boss by fixing bolts passing through the first screw holes and the second screw holes.

[0018] A limiting fixing structure is provided on the base plate 1 and / or the mounting plate 2. When the mounting plate 2 is rotated to a preset angle, it can be fixedly connected to the base plate 1 through the limiting fixing structure. The limiting fixing structure includes a pin hole 4 provided on the mounting plate 2 at a preset distance from its rotation center, and a stop pin 5 that is slidably inserted into the pin hole 4. Correspondingly, a plurality of circumferentially distributed sockets 6 are provided on the base plate 1 with the projection of the rotation center of the mounting plate 2 on the base plate 1 as the center of the circle. When the mounting plate 2 is rotated to a preset angle, the stop pin 5 can be inserted into one of the sockets 6 after passing through the pin hole 4. A plurality of divergent scale line grooves 7 are also provided on the base plate 1. The plurality of scale line grooves 7 intersect at the projection of the rotation center of the mounting plate 2 on the base plate 1, and each scale line groove 7 corresponds to each socket 6.

[0019] A plurality of mounting holes 10 are also provided on the mounting plate 2 for mounting mounting brackets 3 of various specifications.

[0020] During calibration, first secure the base plate 1 to the calibration table of the calibration equipment, then secure the nuclear instrument to be calibrated to the mounting bracket 3. Specifically, different nuclear instruments are adapted to mounting brackets 3 of different specifications, and different mounting brackets 3 are correspondingly mounted on different mounting holes 10 on the mounting plate 2 to improve versatility. After the nuclear instrument is installed, the mounting plate 2 is rotated, which drives the mounting bracket 3 and the nuclear instrument to rotate to a preset angle. The stop pin 5 is then inserted into the pin hole 4 and the corresponding socket 6, completing the nuclear radiation calibration at that angle. The stop pin 5 is then removed, the mounting plate 2 is rotated again to the next angle, and the stop pin 5 is reinserted to complete the nuclear radiation calibration at another angle.

[0021] In summary, the utility model sets a rotatable mounting plate on the base plate, and directly installs the corresponding mounting frame on the mounting plate as needed to install the workpiece or nuclear instrument to be calibrated, and then rotates the mounting plate to a certain angle and fixes it through a limiting fixing structure, thereby quickly completing the angle adjustment of the workpiece or nuclear instrument, thereby quickly completing the nuclear irradiation calibration at various angles. It has a simple structure, easy operation and good versatility.

[0022] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the present invention rather than to limit the technical solution. Ordinary technicians in this field should understand that those modifications or equivalent replacements of the technical solution of the present invention that do not depart from the purpose and scope of the technical solution of the present invention should be included in the scope of the claims of the present invention.

Claims

1. A rapid positioning rotary tool for nuclear instrument calibration, characterized by: The invention comprises a base plate, a mounting plate rotatably mounted on the base plate, and a mounting bracket mounted on the mounting plate for mounting a workpiece; wherein the mounting plate is parallel to the base plate and can rotate around its rotation center within the plane of its plate surface; a limiting fixing structure is provided on the base plate and / or the mounting plate, and when the mounting plate is rotated to a preset angle, it can be fixedly connected to the base plate through the limiting fixing structure; The position-limiting fixing structure includes a pin hole provided on the mounting plate at a preset distance from the rotation center thereof, and a stop pin slidably inserted into the pin hole. Correspondingly, a plurality of circumferentially distributed insertion holes are provided on the base plate, with the projection of the rotation center of the mounting plate on the base plate as the center of the circle. When the mounting plate is rotated to a preset angle, the stop pin can be inserted into one of the insertion holes after passing through the pin hole. A plurality of divergent scale line grooves are also provided on the bottom plate, wherein the plurality of scale line grooves intersect at the projection of the rotation center of the mounting plate on the bottom plate, and each scale line groove corresponds to each jack; A first annular boss is provided on the base plate, the center of which coincides with the projection of the rotation center of the mounting plate on the base plate; a second annular boss is provided on the outer side of the first annular boss in a sliding fit and coaxially sleeved manner, so that the second annular boss can rotate freely around its center, and the thickness of the second annular boss is greater than that of the first annular boss, and the mounting plate is fixedly connected to the table surface of the second annular boss; A plurality of first screw holes are distributed around the circumference of the second annular boss, and a plurality of second screw holes are opened on the mounting plate and distributed around the circumference and corresponding to the fixing screw holes. The mounting plate is fixedly connected to the second annular boss by fixing bolts passed through the first screw holes and the second screw holes. The mounting plate is also provided with a plurality of mounting holes for installing mounting frames of various specifications.

Images