Radioactivity detection and analysis device

Abstract

The utility model relates to the technical field of radioactivity detection equipment, and particularly discloses a radioactivity detection and analysis device which comprises a detection cylinder, a supporting frame body is arranged at the lower end of the detection cylinder, and a sealing cover structure is arranged at the upper end of the detection cylinder and comprises a first sealing cover and a second sealing cover which are oppositely combined. One end of the first sealing cover and one end of the second sealing cover are both hinged to a first hinge seat arranged at the upper end of the detection cylinder, a first pull rod structure and a first clamping seat are arranged at the upper end of the first sealing cover, and a second pull rod structure and a second clamping seat are arranged at the upper end of the second sealing cover. Due to the reverse double-buckle structural design, the first sealing cover and the second sealing cover can be connected more tightly, even if one group of the first sealing cover and the second sealing cover is broken, the other group of the first sealing cover and the second sealing cover can be locked continuously, and the reliability is higher.

Description

Technical Field

[0001] The utility model relates to the technical field of radioactive detection equipment, in particular to a radioactive detection and analysis device. Background Art

[0002] A gamma spectrometer is a device used to measure and analyze the energy distribution of gamma rays emitted by radioactive samples, and is widely used in the fields of environmental monitoring, geological exploration, nuclear medicine, radioactive waste management, etc.

[0003] Common gamma spectrometers generally include a probe for detecting radioactive nuclides, a detector housing made of lead, and a probe protection cover with a protective cavity. The detector housing has a detection chamber, and the probe is arranged in the detection chamber. A sealing cover is provided at the top of the detector housing. During testing, the sealing cover is opened, the test sample is placed into the detection chamber, and then the sealing cover is closed to perform radioactive detection on the test sample. To ensure good detection, some sealing covers are provided with buckles, which can firmly fix the sealing cover to the housing. However, since the buckle structure is relatively tight between the sealing cover and the housing when fixed, when the sealing cover is impacted, the buckle structure is easily broken, affecting the normal progress of the detection. Summary of the Utility Model

[0004] In view of the above problems, the present utility model provides a radioactive detection and analysis device to solve the defect that in the existing radioactive detection equipment, when the sealing cover is impacted during the testing process, the buckle structure for fixing the sealing cover is easily broken, affecting the normal progress of the detection.

[0005] To achieve the purpose of the present utility model, the present utility model is realized through the following technical solutions: A radioactive detection and analysis device includes a detection cylinder, a support frame body is provided at the lower end of the detection cylinder, and a sealing cover structure is provided at the upper end of the detection cylinder;

[0006] The sealing cover structure includes a first cover and a second cover that are oppositely joined. One end of the first cover and one end of the second cover are both hinged to a first hinge seat provided at the upper end of the detection cylinder;

[0007] A first pull rod structure and a first clamping seat are provided at the upper end of the first cover. The first pull rod structure and the first clamping seat are fixedly connected to the first cover. A second pull rod structure and a second clamping seat are provided at the upper end of the second cover. The second pull rod structure and the second clamping seat are fixedly connected to the second cover. The second clamping seat is engaged with the first pull rod structure, and the first clamping seat is engaged with the second pull rod structure.

[0008] A further improvement lies in that: both the first pull rod structure and the second pull rod structure include a first fixed seat, a pull rod, a nut and a second hinge seat. The first fixed seat is fixedly connected to the upper ends of the first cover and the second cover. One end of the pull rod close to the first fixed seat is hinged to the first fixed seat through the second hinge seat. The nut is sleeved on the other end of the pull rod, and the pull rod is threadedly connected to the nut.

[0009] A further improvement lies in that: both the first clamping seat and the second clamping seat include a second fixed seat, a pull rod groove and a limiting clamping protrusion. The second fixed seat is fixedly connected to the upper ends of the first cover and the second cover. The pull rod groove is opened on the upper end surface of the second fixed seat. The diameter of the pull rod groove is larger than the diameter of the pull rod and smaller than the diameter of the nut. A limiting clamping protrusion for restricting the movement of the nut is provided at the upper end of the second fixed seat. The limiting clamping protrusions are arranged on both sides of the pull rod groove, and the distance between the two limiting clamping protrusions is smaller than the diameter of the nut.

[0010] A further improvement lies in that: the support frame body includes a bottom plate and a plurality of support legs provided at the lower end of the bottom plate. The bottom plate is fixedly connected to the detection cylinder and the support legs, and rubber gaskets are provided at the lower ends of the support legs.

[0011] A further improvement lies in that: a positioning clamping protrusion is provided on the side of the second cover facing the first cover, and the positioning clamping protrusion is fixedly connected to the first cover. A slot is opened on the side of the first cover facing the second cover, and the positioning clamping protrusion is movably matched with the slot.

[0012] A further improvement lies in that: handles are provided at one ends of the first cover and the second cover away from the first hinge seat, and rubber balls are provided on the handles.

[0013] The beneficial effects of the present utility model are as follows:

[0014] The design of the reverse double snap structure can make the first cover and the second cover more tightly connected when connected. Even if one of the groups breaks, the other can still continue to complete the locking of the first cover and the second cover, with stronger reliability. Description of the Drawings

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present application. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0016] Figure 1 It is a structural diagram of the first cover and the second cover in the closed state in the present utility model.

[0017] Figure 2 It is a structural diagram of the first cover and the second cover in the opened state in the present utility model.

[0018] Figure 3 This is the structural diagram of the first fixing seat in the present utility model.

[0019] Figure 4 This is the structural diagram of the second fixing seat in the present utility model.

[0020] Wherein: 1. Bottom plate; 2. Support leg; 3. Detection cylinder; 4. First cover; 5. Second cover; 6. First hinge seat; 7. Handle; 8. Positioning convex; 9. Slot; 100. First pull rod structure; 101. First clamping seat; 102. Second pull rod structure; 103. Second clamping seat; 12. First fixing seat; 13. Pull rod; 14. Nut; 15. Second hinge seat; 16. Second fixing seat; 17. Pull rod groove; 18. Limit convex. Detailed implementation manners

[0021] To make the objectives, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present application. Apparently, the described embodiments are some but not all of the embodiments of the present application. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present application without creative efforts shall fall within the scope of protection of the present application.

[0022] According to Figure 1 , 2 , as shown in Figures 3 and 4, a radioactive detection and analysis device is proposed in this embodiment, which includes a detection cylinder 3. A support frame is provided at the lower end of the detection cylinder 3, and a sealing cover structure is provided at the upper end of the detection cylinder 3.

[0023] The sealing cover structure includes a first cover 4 and a second cover 5 that are opposed to each other. One end of the first cover 4 and one end of the second cover 5 are both hinged to a first hinge seat 6 provided at the upper end of the detection cylinder 3. The first cover 4 and the second cover 5 can rotate around the first hinge seat 6. During testing, rotate the first cover 4 and the second cover 5. After the first cover 4 and the second cover 5 are opened, place the test sample into the detection cylinder 3, and then rotate the first cover 4 and the second cover 5 again to close the detection cylinder 3 for radioactive detection of the test sample.

[0024] To prevent the first cover 4 and the second cover 5 in the closed state from separating under the impact of external forces, a first pull rod structure 100 and a first clamping seat 101 are provided at the upper end of the first cover 4. The first pull rod structure 100 and the first clamping seat 101 are fixedly connected to the first cover 4. A second pull rod structure 102 and a second clamping seat 103 are provided at the upper end of the second cover 5. The second pull rod structure 102 and the second clamping seat 103 are fixedly connected to the second cover 5. The second clamping seat 103 is engaged with the first pull rod structure 100, and the first clamping seat 101 is engaged with the second pull rod structure 102.

[0025] After the first cover 4 and the second cover 5 are closed, the first clamping seat 101 at the upper end of the first cover 4 will engage with the second clamping seat 103 at the upper end of the second cover 5, and the second pull rod structure 102 at the upper end of the second cover 5 will engage with the first clamping seat 101 at the upper end of the first cover 4. The reverse double snap structure design can make the first cover 4 and the second cover 5 more tightly connected when they are connected. Even if one of the groups breaks, the other can still continue to complete the locking of the first cover 4 and the second cover 5, with stronger reliability.

[0026] For the specific structures of the first pull rod structure 100 and the second pull rod structure 102, please refer to the following description.

[0027] Both the first pull rod structure 100 and the second pull rod structure 102 include a first fixed seat 12, a pull rod 13, a nut 14, and a second hinge seat 15. The first fixed seat 12 is fixedly connected to the upper ends of the first cover 4 and the second cover 5. One end of the pull rod 13 close to the first fixed seat 12 is hinged to the first fixed seat 12 through the second hinge seat 15. The nut 14 is sleeved on the other end of the pull rod 13, and the pull rod 13 is threadedly connected to the nut 14.

[0028] For the specific structures of the first clamping seat 101 and the second clamping seat 103, please refer to the following description.

[0029] Both the first clamping seat 101 and the second clamping seat 103 include a second fixed seat 16, a pull rod groove 17, and a limit convex 18. The second fixed seat 16 is fixedly connected to the upper ends of the first cover 4 and the second cover 5. The pull rod groove 17 is opened on the upper end surface of the second fixed seat 16. The diameter of the pull rod groove 17 is larger than the diameter of the pull rod 13 and smaller than the diameter of the nut 14. A limit convex 18 for restricting the movement of the nut 14 is provided at the upper end of the second fixed seat 16. The limit convex 18 is placed on both sides of the pull rod groove 17, and the distance between the two limit convexes 18 is smaller than the diameter of the nut 14.

[0030] When fixing the first pull rod structure 100 to the second clamping seat 103, fixing the second pull rod structure 102 to the first clamping seat 101, and locking the first cover 4 and the second cover 5, the following steps are required:

[0031] Rotate the pull rod 13. The pull rod 13 rotates around the second hinge seat 15. One end of the pull rod 13 away from the second hinge seat 15 falls into the pull rod groove 17. Screw the nut 14 on the outside of the pull rod 13 until the pull rod 13 moves below the limit convex 18, and the limit convex 18 contacts the top of the nut 14 to limit the pull rod 13 stuck in the pull rod groove 17. Then the locking between the first pull rod structure 100 and the second clamping seat 103, and between the second pull rod structure 102 and the first clamping seat 101 is completed.

[0032] It is worth further explaining that the support frame includes a bottom plate 1 and a plurality of support legs 2 arranged at the lower end of the bottom plate 1. The bottom plate 1 is fixedly connected to the detection tube 3 and the support legs 2. A rubber gasket is arranged at the lower end of the support leg 2. The support leg 2 is fixed at the lower end of the bottom plate 1 to support the detection tube 3. The rubber gasket is arranged at the lower end of the support leg 2 to increase the friction between the support leg 2 and the ground, play an anti-slip role, and also protect the ground.

[0033] In a better solution, a positioning protrusion 8 is provided on the side of the second cover 5 facing the first cover 4, and the positioning protrusion 8 is fixedly connected to the first cover 4. A slot 9 is provided on the side of the first cover 4 facing the second cover 5, and the positioning protrusion 8 is movably matched with the slot 9. When the first cover 4 and the second cover 5 are aligned with each other, the positioning protrusion 8 will be inserted into the slot 9 to limit the first cover 4 and the second cover 5 in the closed state. At the same time, the positioning protrusion 8 can also increase the fit between the first cover 4 and the second cover 5 by cooperating with the slot 9, thereby improving the airtight effect.

[0034] In another better solution, the first cover 4 and the second cover 5 are both provided with a handle 7 at one end away from the first hinge seat 6, and a rubber ball is provided on the handle 7. When opening the first cover 4 and the second cover 5, the first cover 4 and the second cover 5 can be opened by holding the handle 7, and the rubber ball can increase the friction between the handle 7 and the hand, and also increase the comfort of holding the handle 7.

[0035] How this application works:

[0036] The first cover 4 and the second cover 5 can rotate around the first hinged seat 6. During the test, the first cover 4 and the second cover 5 are rotated. After the first cover 4 and the second cover 5 are opened, the test sample is placed in the detection cylinder 3, and then the first cover 4 and the second cover 5 are rotated to close the detection cylinder 3, and the radioactivity test is performed on the test sample. After the first cover 4 and the second cover 5 are matched, the first card seat 101 at the upper end of the first cover 4 will be engaged with the second card seat 103 at the upper end of the second cover 5, and the second pull rod structure 102 at the upper end of the second cover 5 will be engaged with the first card seat 101 at the upper end of the first cover 4. The reverse double buckle structure design can make the first cover 4 and the second cover 5 more tightly connected. Even if one of the groups is broken, the other can continue to complete the locking of the first cover 4 and the second cover 5, and the reliability is stronger.

[0037] In the description of the present application, it should be noted that the orientation or positional relationship indicated by terms such as "upper" and "lower" is based on the orientation or positional relationship shown in the drawings. This is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation to the present application. Unless otherwise clearly specified and defined, the terms "installed", "connected", and "coupled" should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or an integral connection; it may be a mechanical connection or an electrical connection; it may be directly connected or indirectly connected through an intermediate medium, and it may be the communication inside two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the present application can be understood according to specific circumstances.

[0038] The above are only specific embodiments of the present application, enabling those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be obvious to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the present application. Therefore, the present application will not be limited to these embodiments shown herein, but rather will be accorded the widest scope consistent with the principles and novel features claimed herein.

Claims

1. A radioactive detection and analysis device, comprising a detection tube (3), wherein a support frame is provided at the lower end of the detection tube (3), and a sealing cover structure is provided at the upper end of the detection tube (3), characterized in that: The sealing cover structure comprises a first sealing cover (4) and a second sealing cover (5) which are matched with each other, one end of the first sealing cover (4) and one end of the second sealing cover (5) are both hingedly connected to a first hinge seat (6) provided at the upper end of the detection cylinder (3); A first tie rod structure (100) and a first clamping seat (101) are provided at the upper end of the first cover (4), and the first tie rod structure (100) and the first clamping seat (101) are fixedly connected to the first cover (4); a second tie rod structure (102) and a second clamping seat (103) are provided at the upper end of the second cover (5), and the second tie rod structure (102) and the second clamping seat (103) are fixedly connected to the second cover (5), and the second clamping seat (103) is engaged with the first tie rod structure (100), and the first clamping seat (101) is engaged with the second tie rod structure (102).

2. The radioactive detection and analysis device according to claim 1, characterized in that: The first pull rod structure (100) and the second pull rod structure (102) both include a first fixed seat (12), a pull rod (13), a nut (14) and a second hinge seat (15); the first fixed seat (12) is fixedly connected to the upper ends of the first cover (4) and the second cover (5); one end of the pull rod (13) close to the first fixed seat (12) is hinged to the first fixed seat (12) through the second hinge seat (15); the nut (14) is sleeved on the other end of the pull rod (13); and the pull rod (13) is threadedly connected to the nut (14).

3. The radioactive detection and analysis device according to claim 2, characterized in that: The first clamping seat (101) and the second clamping seat (103) both comprise a second fixing seat (16), a pull rod groove (17) and a limiting clamping protrusion (18); the second fixing seat (16) is fixedly connected to the upper ends of the first cover (4) and the second cover (5); the pull rod groove (17) is arranged on the upper end surface of the second fixing seat (16); the diameter of the pull rod groove (17) is larger than the diameter of the pull rod (13); the diameter of the pull rod groove (17) is smaller than the diameter of the nut (14); a limiting clamping protrusion (18) for limiting the movement of the nut (14) is arranged on the upper end of the second fixing seat (16); the limiting clamping protrusion (18) is arranged on both sides of the pull rod groove (17); and the distance between the two limiting clamping protrusions (18) is smaller than the diameter of the nut (14).

4. The radioactive detection and analysis device according to claim 1, characterized in that: The support frame comprises a base plate (1) and a plurality of support legs (2) arranged at the lower end of the base plate (1); the base plate (1) is fixedly connected to the detection cylinder (3) and the support legs (2); and a rubber gasket is provided at the lower end of the support leg (2).

5. The radioactive detection and analysis device according to claim 1, characterized in that: A positioning protrusion (8) is provided on the side of the second cover (5) facing the first cover (4), and the positioning protrusion (8) is fixedly connected to the first cover (4). A slot (9) is provided on the side of the first cover (4) facing the second cover (5), and the positioning protrusion (8) is movably matched with the slot (9).

6. The radioactive detection and analysis device according to claim 1, characterized in that: The first cover (4) and the second cover (5) are both provided with a handle (7) at one end away from the first hinge seat (6), and the handle (7) is provided with a rubber ball.

Images