CN218525307U - Transport container for second-class gamma radioactive source - Google Patents
Transport container for second-class gamma radioactive source Download PDFInfo
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- CN218525307U CN218525307U CN202221685753.7U CN202221685753U CN218525307U CN 218525307 U CN218525307 U CN 218525307U CN 202221685753 U CN202221685753 U CN 202221685753U CN 218525307 U CN218525307 U CN 218525307U
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Abstract
The utility model relates to a second class gamma radiation source transport container, include: a cylinder for placing two types of gamma radioactive sources; the cylinder body is provided with a cover plate for sealing the cylinder body, a locking piece arranged between the cover plate and the cylinder body and a rod-shaped handle piece convenient to carry, wherein the rod-shaped handle piece is arranged on the upper part of the cylinder body, and the upper part of the cylinder body is of a conical structure; the barrel comprises a shell, a cavity is formed inside the barrel, a shielding body is arranged inside the barrel, an upper fixing ring and a lower fixing ring are arranged between the shielding body and the inner side surface of the barrel shell in an encircling mode, and a bottom ring is arranged between the shielding body and the inner bottom surface of the barrel shell. This design not only reduces the level of radiation on the outer surface of the container, but it also allows the shipping container to be lighter in weight.
Description
Technical Field
The utility model relates to a radioactive substance transportation technical field especially relates to a class II gamma radiation source transport container.
Background
The gamma radiation source is a radiation source which is mainly characterized by emitting gamma rays, is called a gamma source for short, is generally called a radiation source, and is actually a gamma radiation source.
The transportation of the gamma radiation source means that the gamma radiation source can be rapidly, safely and perfectly transported to a destination, and the characteristics of gamma rays are generally considered for the selection and design of a shielding body in a transportation container of the gamma radiation source, wherein the gamma rays are uncharged photons and have stronger penetrating power than X rays. For gamma rays, materials with large specific gravity are generally adopted for shielding (such as lead, tungsten, depleted uranium and the like), and various different radioactive sources adopt shielding bodies with enough thickness according to the ray intensity of the radioactive sources, so that the leakage dose of the outer surface of a radioactive source transport container meets the requirements of national safe transport regulations of radioactive products and the standard of a gamma-ray flaw detector (namely GB11806-2019 and GB/T14058-2008 standards), and the radiation hazard to human bodies is reduced.
For the second type of gamma radiation source, such as the Cs-137 source, according to the previous design, if the transport container can meet the legislation requirements, then the weight of the shielding will only reach more than 30 kg, and, given the dimensions of the container housing and other components, the total weight of the container will reach 50kg; this can increase the transport degree of difficulty to the staff who uses the radiation source in the oil field well logging trade, still can increase the transport time simultaneously, not only can increase the radiation dose that personnel received like this, simultaneously because the jar body is heavier, causes the industrial injury easily.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a two kinds of gamma radiation source transport container, this two kinds of gamma radiation source transport container are used for gamma radiation source's transportation, guarantee the safety of gamma radiation source and transport personnel and relevant operating personnel's safety in the container.
In order to achieve the above purpose, the utility model provides a following technical scheme:
a class ii gamma-emitting source transport container comprising:
a cylinder for placing two types of gamma radioactive sources;
a cover plate for closing the cylinder, and
the locking part is arranged between the cover plate and the cylinder body, and the locking part also comprises a rod-shaped handle piece which is convenient to carry, the rod-shaped handle piece is arranged on the upper part of the cylinder body, and the upper part of the cylinder body is of a conical structure; the method is characterized in that:
the barrel comprises a shell, a cavity is formed inside the barrel, a shielding body is arranged inside the barrel, an upper fixing ring and a lower fixing ring are arranged between the shielding body and the inner side surface of the barrel shell in an encircling mode, and a bottom ring is arranged between the shielding body and the inner bottom surface of the barrel shell.
In some embodiments, the inner ring ends of the upper and lower fixing rings are arranged on the shielding body, and the outer ring ends of the upper and lower fixing rings are arranged on the inner side surface of the cylinder shell.
In some embodiments, the upper ring end of the bottom ring is arranged on the shielding body, and the lower ring end of the bottom ring is arranged on the inner bottom surface of the cylinder shell.
In some of these embodiments, the rod-shaped handle member includes an annular rod member and a connecting plate member fixed at one end to the annular rod member and at the other end to the barrel.
In some of these embodiments, the handle-like member is an upper lifting ring mounted on the upper conical structure of the barrel.
In some embodiments, the lifting ring is a hollow structure.
In some embodiments, the locking member comprises a locking member, one end of the cover plate is mounted on the upper tapered structure of the cylinder through a cover plate rotating shaft, and the other end of the cover plate is fixed on the upper tapered structure of the cylinder through the locking member.
In some embodiments, the radioactive source is disposed in the center of the interior of the shield, and the shield is provided with a radioactive source plug.
In some embodiments, the locking member further comprises a mechanical lock.
Compared with the prior art, the utility model has the advantages and beneficial effect as follows:
the utility model provides a distance between the shell and the shielding body of a second-class gamma radioactive source transportation container from the center of the radioactive source to the outer surface of the container is increased by adding a fixing ring and a bottom ring, and the fixing ring simultaneously plays a role in fixing the shielding body and the shell by welding, thereby reducing the radiation level of the outer surface of the container, and meanwhile, the design can not increase excessive weight; the shielding body is made of a non-traditional shielding material, so that the shielding effect is better, the weight is light, and the shielding effect meets the requirements of regulations. By increasing the distance from the circular center to the outer surface of the container and reducing the weight of the shielding body, the shielding performance of the transport container can meet the requirements of regulations, and meanwhile, the weight of the whole transport container is greatly reduced. When the two types of gamma radioactive source transport containers are loaded to the maximum capacity, the radiation level of the outer surfaces of the containers meets the requirements of the regulations, and the weight of the containers is reduced.
The utility model provides a two kinds of gamma radiation source transport container's bail designs for the fretwork form, has reduced the whole weight of container, can satisfy the functional requirement, and its mechanical strength also accords with the regulation requirement.
The locking device of the second-class gamma radioactive source transport container provided by the utility model adopts a double-lock structure, thereby ensuring the safety of the radioactive source.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.
Fig. 1 is a schematic structural diagram of a transport container for two types of gamma radioactive sources according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a second type of gamma radiation source transport container according to an embodiment of the present invention;
wherein:
1-a cylinder body;
11-a housing;
12-a cavity;
2-cover plate;
21-cover plate rotating shaft;
3-locking piece;
31-lock;
32-a mechanical lock;
33-mechanical lock spindle;
4-a rod-shaped handle;
41-ring-shaped rod piece;
42-connecting the plates;
5-a shield;
51-blocking of a radioactive source;
61-upper fixing ring;
62-lower fixed ring;
7-a bottom ring;
8-radioactive source.
Detailed Description
The following detailed description of the embodiments of the present invention will be provided in conjunction with the accompanying drawings and specific embodiments for further understanding the objects, aspects and functions of the present invention, but not for limiting the scope of the appended claims.
Where certain terms are used in the specification and following claims to refer to particular components or features, those skilled in the art will understand that various terms or numbers may be used by a skilled user or manufacturer to refer to the same component or feature. This specification and the claims that follow do not intend to distinguish between components or features that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. In addition, the term "connected" is intended to encompass any direct or indirect electrical connection. Indirect electrical connection means include connection by other means.
It should be noted that in the description of the present invention, the terms "lateral", "longitudinal", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and "about", or "approximately", "substantially", "left and right", etc., indicate the orientation or positional relationship or parameters, etc., based on the orientation or positional relationship shown in the drawings, which are only for convenience of description and simplification of the description, and do not indicate or imply that the device or element referred to must have a specific orientation, a specific size or be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.
The embodiment provides a type two gamma radioactive source transport container, which comprises: a cylinder 1 for placing a second type gamma radioactive source 8; the cylinder comprises a cover plate 2 for closing the cylinder body 1, a locking piece 3 arranged between the cover plate 2 and the cylinder body 1, and a rod-shaped handle piece 4 convenient to carry, wherein the rod-shaped handle piece 4 is arranged on the upper part of the cylinder body 1, and the upper part of the cylinder body 1 is in a conical structure; barrel 1 includes shell 11, inside cavity 12 that forms, 1 inside shield 5 that is equipped with of barrel, two-layer solid fixed ring about the ring is equipped with between shield 5 and the 11 medial surfaces of barrel shell, upper fixed ring 61, lower fixed ring 62, be equipped with a foundation ring 7 between the bottom surface in shield 5 and the barrel shell 11. The inner ring ends of the upper and lower layers of fixing rings are arranged on the shielding body 5, and the outer ring ends of the upper and lower layers of fixing rings are arranged on the inner side surface of the cylinder shell 11. The ring end on the bottom ring 7 is arranged on the shielding body 5, and the ring end under the bottom ring 7 is arranged on the inner bottom surface of the cylinder shell 11.
In order to reduce the self weight of the transport container, two layers of fixing rings are designed in the shell, and a fixing bottom ring is designed at the bottom of the shell, so that the distance from the center of a radioactive source to the outer surface of the transport container can be increased, and excessive weight cannot be increased; for the material of the central shielding body, a special heavy metal alloy is selected, and compared with the traditional lead, tungsten and the like, the material has smaller dosage under the condition of equivalent shielding effect, namely, when the same shielding level is reached, the weight of the shielding body adopting the material is smaller. This embodiment reduces shielding body weight through increasing the distance of circle center to container surface, not only makes this transportation container's shielding performance satisfy the legislation requirement, simultaneously still greatly reduced container weight.
The rod-shaped handle member 4 in this embodiment includes a ring-shaped rod member 41 and a connecting plate member 42, and one end of the connecting plate member 42 is fixed to the ring-shaped rod member 41, and the other end is fixed to the cylinder 1. The handle-shaped rod 4 is an upper lifting ring which is arranged on the upper conical structure of the cylinder body 1. The lifting ring is arranged to be a hollow structure.
In this embodiment, the locking member 3 includes a locking member 31, in this embodiment, the locking member 31 is a padlock, one end of the cover plate 2 is installed on the upper tapered structure of the cylinder 1 through a cover plate rotating shaft 21, and the other end of the cover plate 2 is fixed on the upper tapered structure of the cylinder 1 through the locking member 31. The locking member 3 further comprises a mechanical lock 32.
In this embodiment, the radioactive source 8 is a second-type gamma radioactive source, and is disposed in the center inside the shielding body 5, and the shielding body 5 is provided with a radioactive source plug 51.
The use method of the transport container in the embodiment comprises the following steps: the mechanical lock is rotated and opened by taking a mechanical lock rotating shaft as a center, then the padlock is opened by using a key, the cover plate is rotated and opened by taking the cover plate rotating shaft as the center, and at the moment, the internal source plug can be drawn out and the radioactive source can be put in; then the source plug is put in, the cover plate cover is locked by the padlock, and the mechanical lock is closed.
The distance from the center of the radioactive source to the outer surface of the container is increased by adding the fixing ring and the bottom ring between the outer shell and the shielding body of the second-class gamma radioactive source transport container provided by the embodiment, the fixing ring simultaneously plays a role in fixing the shielding body and the outer shell through welding, so that the radiation level of the outer surface of the container is reduced, and excessive weight cannot be increased due to the design; the shielding body adopts non-traditional shielding material, and its shielding effect is better, and light in weight, shielding effect accords with the regulation requirement. By increasing the distance from the circle center to the outer surface of the container and reducing the weight of the shielding body, the shielding performance of the transport container can meet the requirements of regulations, and the weight of the whole transport container is greatly reduced. When the two types of gamma radioactive source transport containers are loaded to the maximum capacity, the radiation level of the outer surfaces of the containers meets the requirements of regulations, the weight of the containers is reduced, and the weight of the containers is reduced by nearly 20kg compared with the existing containers.
The bail design of the second class gamma radiation source transport container that this embodiment provided has reduced the whole weight of container for the fretwork form, can satisfy the functional requirement, and its mechanical strength also accords with the law requirement, and the shell is inside to be connected shielding body design and handle fretwork design through solid fixed ring and bottom ring, guarantees to reduce the whole weight of container under the condition that container surface radiation level satisfies the requirement.
The locking device of the second-class gamma radioactive source transport container provided by the embodiment adopts a double-locking structure, so that the safety of the radioactive source is ensured.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.
Claims (9)
1. A class ii gamma-emitting source transport container comprising:
a cylinder for placing two types of gamma radioactive sources;
a cover plate for closing the cylinder, and
the locking part is arranged between the cover plate and the cylinder body, and the locking part also comprises a rod-shaped handle piece which is convenient to carry, the rod-shaped handle piece is arranged on the upper part of the cylinder body, and the upper part of the cylinder body is of a conical structure; the method is characterized in that:
the barrel comprises a shell, a cavity is formed inside the barrel, a shielding body is arranged inside the barrel, an upper fixing ring and a lower fixing ring are arranged between the shielding body and the inner side surface of the barrel shell in an encircling mode, and a bottom ring is arranged between the shielding body and the inner bottom surface of the barrel shell.
2. The transport container for gamma radioactive sources of the second type according to claim 1, wherein: the inner ring ends of the upper and lower layers of fixing rings are arranged on the shielding body, and the outer ring ends of the upper and lower layers of fixing rings are arranged on the inner side surface of the cylinder shell.
3. The transport container for gamma radioactive sources of the second type according to claim 1 or 2, characterized in that: the bottom ring is arranged on the shielding body, and the bottom ring is arranged on the inner bottom surface of the shell of the barrel.
4. The transport container for gamma radioactive sources of claim 1, wherein: the rod-shaped handle piece comprises an annular rod piece and a connecting plate piece, one end of the connecting plate piece is fixed on the annular rod piece, and the other end of the connecting plate piece is fixed on the barrel body.
5. The transport container for gamma radioactive sources of claim 1, wherein: the rod-shaped handle piece is an upper lifting ring which is arranged on the upper conical structure of the cylinder body.
6. The transport container for gamma radioactive sources of the second type according to claim 5, wherein: the lifting ring is arranged to be a hollow structure.
7. The transport container for gamma radioactive sources of the second type according to claim 1, wherein: the locking part includes the latch fitting, apron one end through one apron pivot install in on the upper portion toper structure of barrel, simultaneously the apron other end is fixed in through the latch fitting on the upper portion toper structure of barrel.
8. The transport container for gamma radioactive sources of the second type according to claim 1, wherein: the radioactive source is arranged in the center inside the shielding body, and a radioactive source plug is arranged on the shielding body.
9. The transport container for gamma radioactive sources of the second type according to claim 1, wherein: the locking member further comprises a mechanical lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221685753.7U CN218525307U (en) | 2022-07-01 | 2022-07-01 | Transport container for second-class gamma radioactive source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221685753.7U CN218525307U (en) | 2022-07-01 | 2022-07-01 | Transport container for second-class gamma radioactive source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218525307U true CN218525307U (en) | 2023-02-24 |
Family
ID=85237160
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221685753.7U Active CN218525307U (en) | 2022-07-01 | 2022-07-01 | Transport container for second-class gamma radioactive source |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218525307U (en) |
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2022
- 2022-07-01 CN CN202221685753.7U patent/CN218525307U/en active Active
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