Neutron detector

Abstract

The utility model relates to the technical field of neutron detectors, and discloses a neutron detector. Comprising an operation box, the upper end of the operation box is fixedly connected with a limiting box, the bottom end of the inner wall of the limiting box is fixedly connected with a lifting plate, the lifting plate penetrates through the limiting box, a sliding groove is formed in the inner wall of the limiting box, the inner wall of the sliding groove is slidably connected with a sliding block, and the end, away from the sliding groove, of the sliding block is fixedly connected with a limiting grabbing plate. By starting a reverse rotation motor, the reverse rotation motor drives a rotating shaft at the output end of the reverse rotation motor to rotate, so that due to rotation of the rotating shaft, a rotating threaded rod on the front face of a rotating rod is continuously driven to rotate, and when the reverse rotation motor rotates in the forward direction, two sliding bolts on the surface of the rotating threaded rod can be close to each other; and the lifting main legs above the sliding bolts are lifted, so that the position height of the fixed box above is adjusted, and a user can adjust the height of the neutron detector and the angle of a display screen according to own conditions.

Description

TECHNICAL FIELD

[0001] The utility model relates to neutron detector technical field, concretely is neutron detector. BACKGROUND

[0002] The neutron detector is a device for detecting neutrons by using the charged particles generated after the interaction of neutrons and boron or uranium to ionize gas or the activation of materials after neutron irradiation, and is widely used for nuclear power measurement or measurement of neutron fluence rate distribution in a reactor core. The micro fission chamber neutron detector is one of the important components of a reactor core measurement system, and is used for measuring the neutron fluence rate of the reactor core. The micro fission chamber neutron detector can convert the nuclear signal of the reactor into an electrical signal, so as to measure the neutron amount at a specified position in the reactor.

[0003] The prior art CN115184981A3 discloses a neutron detector, which comprises a motor, a threaded rod, a driving wheel, a driven wheel, a movable plate, a fixed plate, a detector body, a chute and a connecting block.

[0004] The above device can fix the motor and the protective box by setting the fixed box, improve the stability of the motor and the protective box during use, adjust the height of the detector body by setting the adjusting mechanism, solve the problem that the height of the neutron detector and the angle of the display screen cannot be adjusted according to the situation of the staff due to different heights and habits of the staff, but the size of different models of neutron detectors is different, so it is necessary to have adjustability while ensuring the stability during work, and therefore the utility model provides a neutron detector. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a neutron detector to solve the problem that the height of the neutron detector and the angle of the display screen cannot be adjusted according to the situation of the staff due to different heights and habits of the staff, but the size of different models of neutron detectors is different, so it is necessary to have adjustability while ensuring the stability during work.

[0006] To achieve the above object, the utility model provides the following technical scheme: Neutron detector, including operation box, the upper end fixed connection of operation box has stop box, the inner wall bottom of stop box is connected with lifting plate, lifting plate penetrates stop box, the inner wall of stop box is equipped with the sliding slot, the inner wall sliding connection of sliding slot has sliding block, the one end fixed connection of sliding block away from sliding slot has limit grab plate, the front surface fixed connection of limit grab plate has adjusting snap ring, the inner wall rotation of adjusting snap ring is connected with adjusting peg.

[0007] As a further preferred of the technical scheme, the one end fixed connection of sliding block away from sliding slot has electric telescopic handle, the one end fixed connection of electric telescopic handle away from sliding block has connecting plate, the front surface fixed connection of connecting plate has limit grab plate, the inner wall fixed connection of limit grab plate has telescopic handle.

[0008] As a further preferred of the technical scheme, the front surface fixed connection of operation box has fixed plate, the upper end fixed connection of fixed plate has reverse motor, the output rotation of reverse motor is connected with rotating shaft, the one end fixed connection of rotating shaft away from reverse motor has rotating rod, the one end fixed connection of rotating rod away from rotating shaft has rotating screw rod.

[0009] As a further preferred of the technical scheme, the rotating screw rod rotation penetrates operation box, the surface of rotating screw rod is equipped with transmission belt, the upper end sliding connection of rotating screw rod has sliding peg, the upper end fixed connection of sliding peg has vertical board, the surface of vertical board is equipped with limit slot, the inner wall fixed connection of limit slot has butt joint rod.

[0010] As a further preferred of the technical scheme, the upper end fixed connection of sliding peg has lifting main leg, the lifting main leg is below butt joint rod, the one end fixed connection of lifting main leg away from sliding peg has lifting plate, the number of rotating screw rod is two, and two rotating screw rods are symmetrically arranged about the center of operation box.

[0011] As a further preferred of the technical scheme, the upper end fixed connection of lifting plate has fixed box, the inner wall bottom fixed connection of fixed box has limit plate, the front surface of limit plate is equipped with rotating groove, the inner wall rotation of rotating groove is connected with rotating shaft.

[0012] As a further preferred of the technical scheme, the front surface fixed connection of rotating shaft has rotating plate, the number of limit plate is several, and several limit plates are fixedly connected to the inner wall all around of fixed box.

[0013] The utility model provides neutron detector, has the following beneficial effect:

[0014] (1)The utility model discloses a reverse motor is started, and the reverse motor will drive the rotation of the rotating shaft of its output end, so the rotating shaft will continue to drive the rotation of the rotating screw rod in the front of rotating rod, so when the reverse motor rotates forward, it will make the two sliding bolts on the surface of rotating screw rod close to each other, thereby making the lifting main leg above the sliding bolt lift, thereby adjusting the position height of the fixed box above, so that the user can adjust the height of neutron detector and the angle of display screen according to the own condition.

[0015] (2)The utility model discloses a chute is seted up on the surface of the limiting box, and the height of electric telescopic rod can be kept consistent with the height of neutron detector through the sliding electric telescopic rod, and the limiting grab plate is fixedly connected on the front of electric telescopic rod, and the inner wall of limiting grab plate is fixedly connected with telescopic rod, so that the width of limiting grab plate can be adjusted to be consistent with the size of neutron detector, thereby making the applicability of the device higher. BRIEF DESCRIPTION OF DRAWINGS

[0016] Fig. 1 It is whole structure schematic diagram of the utility model;

[0017] Fig. 2 It is inside structure schematic diagram of operation box of the utility model;

[0018] Fig. 3 It is inside structure schematic diagram of limiting box of the utility model;

[0019] Fig. 4 It is whole structure cross section schematic diagram of the utility model;

[0020] In the drawing: 1, operation box;2, limiting box;3, lifting plate;4, electric telescopic rod;5, connecting plate;6, telescopic rod;7, limiting grab plate;8, fixed box;9, fixed plate;10, reverse motor;11, rotating rod;12, rotating screw rod;13, transmission belt;14, sliding bolt;15, stand plate;16, butt joint rod;17, lifting main leg;18, chute;19, adjusting bolt;20, adjusting snap ring;21, limiting plate;22, rotating plate;23, rotating shaft. DETAILED DESCRIPTION

[0021] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0022] The utility model provides technical scheme: as Figs. 1 to 4As shown in the embodiment, the neutron detector comprises an operation box 1, the upper end of the operation box 1 is fixedly connected with a limiting box 2, the inner wall bottom end of the limiting box 2 is fixedly connected with a lifting plate 3, the lifting plate 3 penetrates through the limiting box 2, the inner wall of the limiting box 2 is provided with a sliding groove 18, the inner wall of the sliding groove 18 is slidably connected with a sliding block, the end, away from the sliding groove 18, of the sliding block is fixedly connected with a limiting grab plate 7, the front surface of the limiting grab plate 7 is fixedly connected with an adjusting snap ring 20, the inner wall of the adjusting snap ring 20 is rotatably connected with an adjusting bolt 19.

[0023] The end, away from the sliding groove 18, of the sliding block is fixedly connected with an electric telescopic rod 4, the end, away from the sliding block, of the electric telescopic rod 4 is fixedly connected with a connecting plate 5, the front surface of the connecting plate 5 is fixedly connected with the limiting grab plate 7, the inner wall of the limiting grab plate 7 is fixedly connected with a telescopic rod 6, the sliding groove 18 is arranged on the surface of the limiting box 2, the electric telescopic rod 4 is slid, and the height of the electric telescopic rod 4 can be consistent with the height of the neutron detector, the front surface of the electric telescopic rod 4 is fixedly connected with the limiting grab plate 7, and the inner wall of the limiting grab plate 7 is fixedly connected with the telescopic rod 6, the telescopic rod 6 can be adjusted, the width of the limiting grab plate 7 can be consistent with the size of the neutron detector, and the applicability of the device is higher.

[0024] The front surface of the operation box 1 is fixedly connected with a fixed plate 9, the upper end of the fixed plate 9 is fixedly connected with a reversing motor 10, the output end of the reversing motor 10 is rotatably connected with a rotating shaft, the end, away from the reversing motor 10, of the rotating shaft is fixedly connected with a rotating rod 11, and the end, away from the rotating shaft, of the rotating rod 11 is fixedly connected with a rotating threaded rod 12.

[0025] The rotating threaded rod 12 penetrates through the operation box 1, the surface of the rotating threaded rod 12 is sleeved with a transmission belt 13, the upper end of the rotating threaded rod 12 is slidably connected with a sliding bolt 14, the upper end of the sliding bolt 14 is fixedly connected with a vertical plate 15, the surface of the vertical plate 15 is provided with a limiting groove, and the inner wall of the limiting groove is fixedly connected with a butt joint rod 16.

[0026] The upper end of the sliding bolt 14 is fixedly connected with a lifting main leg 17, the lifting main leg 17 is located below the butt joint rod 16, the end, away from the sliding bolt 14, of the lifting main leg 17 is fixedly connected with the lifting plate 3, the number of the rotating threaded rods 12 is two, and the two rotating threaded rods 12 are symmetrically arranged about the center of the operation box 1, when the height of the neutron detector needs to be adjusted, the user only needs to start the reversing motor 10, the reversing motor 10 drives the rotating shaft at the output end to rotate, the rotating shaft rotates, the rotating threaded rod 12 at the front surface of the rotating rod 11 is continuously rotated, when the reversing motor 10 rotates forward, the two sliding bolts 14 on the surface of the rotating threaded rod 12 move close to each other, the lifting main leg 17 above the sliding bolt 14 is lifted, and the position height of the fixed box 8 above is adjusted.

[0027] The upper end of the lifting plate 3 is fixedly connected with a fixed box 8, the inner wall bottom end of the fixed box 8 is fixedly connected with a limiting plate 21, the front surface of the limiting plate 21 is provided with a rotating groove, and the inner wall of the rotating groove is rotatably connected with a rotating shaft 23.

[0028] The front surface of the rotating shaft 23 is fixedly connected with a rotating plate 22, the number of the limiting plate 21 is several, the several limiting plates 21 are fixedly connected to the inner wall around the fixed box 8, the rotating plate 22 is rotated, so that the rotating shaft 23 at the lower end is driven to rotate due to the rotation of the limiting box 2, and the limiting plate 21 is fixedly connected around the fixed box 8, so that the limiting and fixing of the neutron detector can be effectively guaranteed.

[0029] The utility model provides a neutron detector, and the specific working principle is as follows:

[0030] When using, the user needs to place the neutron detector needing to be detected on the upper end of the fixed box 8, then the rotating plate 22 is rotated, so that the rotating shaft 23 at the lower end is driven to rotate due to the rotation of the limiting box 2, and the limiting plate 21 is fixedly connected around the fixed box 8, so that the limiting and fixing of the neutron detector can be effectively guaranteed, so when the height of the neutron detector needs to be adjusted, the user only needs to start the reverse motor 10, the reverse motor 10 drives the rotating shaft at the output end to rotate, so that the rotating shaft rotates, which continues to drive the rotating screw rod 12 on the front surface of the rotating rod 11 to rotate, so that when the reverse motor 10 rotates forward, the two sliding bolts 14 on the surface of the rotating screw rod 12 move towards each other, so that the lifting main leg 17 above the sliding bolt 14 is lifted, so that the position height of the upper fixed box 8 is adjusted, and at the same time, the sliding groove 18 is formed on the surface of the limiting box 2, the sliding electric telescopic rod 4 is slid, so that the height of the electric telescopic rod 4 can be kept consistent with the height of the neutron detector, the limiting catch plate 7 is fixedly connected to the front surface of the electric telescopic rod 4, and the inner wall of the limiting catch plate 7 is fixedly connected with the telescopic rod 6, so that the telescopic rod 6 can be adjusted, so that the width of the limiting catch plate 7 can conform to the size of the neutron detector, so that the applicability of the device is higher.

[0031] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. Neutron detector comprising an operating box (1), characterized in that, The upper end of the operation box (1) is fixedly connected with a limiting box (2), the inner wall bottom end of the limiting box (2) is fixedly connected with a lifting plate (3), the lifting plate (3) penetrates the limiting box (2), the inner wall of the limiting box (2) is provided with a sliding groove (18), the inner wall of the sliding groove (18) is slidably connected with a sliding block, the end, away from the sliding groove (18), of the sliding block is fixedly connected with a limiting grab plate (7), the front surface of the limiting grab plate (7) is fixedly connected with an adjusting snap ring (20), the inner wall of the adjusting snap ring (20) is rotatably connected with an adjusting bolt (19).

2. The neutron detector of claim 1, wherein: The end, away from the sliding groove (18), of the sliding block is fixedly connected with an electric telescopic rod (4), the end, away from the sliding block, of the electric telescopic rod (4) is fixedly connected with a connecting plate (5), the front surface of the connecting plate (5) is fixedly connected with the limiting grab plate (7), the inner wall of the limiting grab plate (7) is fixedly connected with a telescopic rod (6).

3. The neutron detector of claim 1, wherein: The front surface of the operation box (1) is fixedly connected with a fixed plate (9), the upper end of the fixed plate (9) is fixedly connected with a reverse motor (10), the output end of the reverse motor (10) is rotatably connected with a rotating shaft, the end, away from the reverse motor (10), of the rotating shaft is fixedly connected with a rotating rod (11), the end, away from the rotating shaft, of the rotating rod (11) is fixedly connected with a rotating threaded rod (12).

4. The neutron detector of claim 3, wherein: The rotating threaded rod (12) penetrates the operation box (1) and is rotatable, the surface of the rotating threaded rod (12) is sleeved with a transmission belt (13), the upper end of the rotating threaded rod (12) is slidably connected with a sliding bolt (14), the upper end of the sliding bolt (14) is fixedly connected with a vertical plate (15), the surface of the vertical plate (15) is provided with a limiting groove, and the inner wall of the limiting groove is fixedly connected with a butt joint rod (16).

5. The neutron detector of claim 4, wherein: The upper end of the sliding bolt (14) is fixedly connected with a lifting main leg (17), the lifting main leg (17) is located below the butt joint rod (16), the end, away from the sliding bolt (14), of the lifting main leg (17) is fixedly connected with the lifting plate (3), and the number of the rotating threaded rods (12) is two.

6. The neutron detector of claim 1, wherein: The upper end of the lifting plate (3) is fixedly connected with a fixed box (8), the inner wall bottom end of the fixed box (8) is fixedly connected with a limiting plate (21), the front surface of the limiting plate (21) is provided with a rotating groove, and the inner wall of the rotating groove is rotatably connected with a rotating shaft (23).

7. The neutron detector of claim 6, wherein: The front surface of the rotating shaft (23) is fixedly connected with a rotating plate (22), and the number of the limiting plates (21) is several, and the several limiting plates (21) are fixedly connected around the inner wall of the fixed box (8).

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