CN113161031A - Buffer frame for cylindrical transport container - Google Patents
Buffer frame for cylindrical transport container Download PDFInfo
- Publication number
- CN113161031A CN113161031A CN202110452329.1A CN202110452329A CN113161031A CN 113161031 A CN113161031 A CN 113161031A CN 202110452329 A CN202110452329 A CN 202110452329A CN 113161031 A CN113161031 A CN 113161031A
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- China
- Prior art keywords
- frame
- plate
- ring
- transport container
- central plate
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Classifications
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/06—Details of, or accessories to, the containers
- G21F5/08—Shock-absorbers, e.g. impact buffers for containers
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21F—PROTECTION AGAINST X-RADIATION, GAMMA RADIATION, CORPUSCULAR RADIATION OR PARTICLE BOMBARDMENT; TREATING RADIOACTIVELY CONTAMINATED MATERIAL; DECONTAMINATION ARRANGEMENTS THEREFOR
- G21F5/00—Transportable or portable shielded containers
- G21F5/015—Transportable or portable shielded containers for storing radioactive sources, e.g. source carriers for irradiation units; Radioisotope containers
Abstract
The invention discloses a buffer frame for a cylindrical transport container, which comprises an upper end frame and a lower end frame; the upper end frame and the lower end frame are of square cone structures with peripheral profiles, the cone structures are fixed at two ends of the transport container respectively during use, the cone structures can serve as anti-falling supports during vertical operation of the cylindrical transport container, and meanwhile the square peripheral profiles can facilitate fixing during horizontal transport of the cylindrical transport container. The buffer frame can buffer and absorb energy to effectively protect the transport container when the container is accidentally dropped, provides the functions of anti-falling support, convenient transportation and fixation, convenient posture overturning and the like, reduces auxiliary equipment required by the transport container, and reduces the manufacturing cost.
Description
Technical Field
The invention relates to the technical field of article transportation, in particular to a buffer frame for a cylindrical transportation container.
Background
The transportation of radioactive articles from factory to factory requires the use of special transportation containers to carry and protect the radioactive articles and provide sufficient radiation protection to prevent the radioactive articles from leaking out. According to GB11806 "safe transport regulations for radioactive materials", a series of safety tests, such as drop tests, penetration tests, and burn tests, are performed on the transport container for radioactive materials, wherein the drop tests usually cause great damage to the transport container, and the transport container is required to have a sufficient anti-drop function.
Radioactive products are various in types, and some radioactive products are in the shape of a slender rod, such as a single fuel rod, a spent fuel cladding tube, an irradiation monitoring tube and the like. The loading of elongated radioactive articles determines the cylindrical shape of the container. The cylindrical transportation container generally has some inconveniences in use, firstly, because the cylindrical container has a small section and a high height, when the cylindrical container needs to be vertically operated, the cylindrical container has the risk of toppling, and a special anti-toppling device needs to be equipped; secondly, the cylindrical container is generally horizontally transported, but the cylindrical container is inconvenient to fix on a transport vehicle, a square packing box needs to be equipped, the cylindrical container needs to be firstly loaded into the packing box and fixed, and then the cylindrical container is fixed with the transport vehicle through a tying structure of the packing box; thirdly, the cylindrical transportation container needs vertical operation and horizontal transportation, so the problem of posture overturning between a vertical state and a horizontal state is involved. Generally, the container can be directly lifted and converted into a vertical state when being in a horizontal state, the operation is very inconvenient when being converted into the horizontal state, the container is inclined and dragged by a crane in a place without a special tool, so that the container is inclined and inclined from the vertical state, and a certain safety risk exists in the operation process because the transportation container is heavy (generally weighing several tons); fourthly, according to the standard of regulations, as the cylindrical container is loaded into the packaging box for transportation, a series of safety tests are carried out together with the packaging box, wherein the safety tests comprise a drop test. The container and the outer packaging box are complex in integral structure, the difficulty and uncertainty of calculation and analysis are increased in the design process, and the uncontrollable risk of a drop test is increased; fifthly, as the cylindrical transport container needs to be provided with special anti-falling devices, posture conversion tools, packing boxes and other auxiliary equipment, the manufacturing cost is increased.
Disclosure of Invention
The invention aims to provide a buffer frame for a cylindrical transport container, which not only can provide effective protection when the transport container is accidentally dropped and facilitate the operation and transportation of the transport container, but also can reduce the complexity of the design analysis of the transport container, reduce the auxiliary equipment required by the transport container and reduce the manufacturing cost.
The invention is realized by the following technical scheme:
a buffer frame for a cylindrical transport container comprises an upper end frame and a lower end frame;
the upper end frame comprises a surrounding ring, a first central plate, a first clamping ring and a first connecting rib plate; the first central plate is arranged on the inner side of the enclosure, the first clamping ring is arranged below the first central plate, the enclosure, the first central plate and the first clamping ring are connected through a first connecting rib plate, at least one side wall of the enclosure is provided with a plane, the first clamping ring is used for clamping the outer wall of the transport container, and a first central through hole matched with a top cover of the transport container is formed in the first central plate;
the lower end frame comprises a bottom ring, a second center plate, a second clamping ring and a second connecting rib plate; the second central plate is arranged on the inner side of the bottom ring, the second clamping ring is arranged above the second central plate, the bottom ring, the second central plate and the second clamping ring are connected through a second connecting rib plate, at least one side wall of the bottom ring is provided with a plane, the plane of the bottom ring corresponds to the plane of the enclosure, the second clamping ring is used for being clamped on the outer wall of the transport container, and a second central through hole matched with the bottom cover of the transport container is formed in the second central plate.
The enclosure ring and the first connecting rib plates jointly form a buffering and energy-absorbing structure when the transport container falls accidentally, and the bottom ring and the second connecting rib plates jointly form the buffering and energy-absorbing structure when the transport container falls accidentally, so that the buffering and energy-absorbing functions of the upper end frame and the lower end frame are respectively realized, and the effective protection is realized when the transport container falls accidentally.
The upper end frame and the lower end frame are respectively arranged at the top and the bottom of the cylindrical transport container through the first central plate and the second central plate, and simultaneously are tightly held on the outer wall of the transport container through the first clamping ring and the second clamping ring, and are in double connection with the cylindrical transport container, so that the connection is more reliable.
At least one side wall of each of the enclosure and the bottom ring is provided with a plane, and the plane of the bottom ring corresponds to the plane of the enclosure, so that the cylindrical transport container can be conveniently fixed during horizontal transport.
In conclusion, the invention not only can provide effective protection when the transport container is accidentally dropped, and the transport container is convenient to operate and transport, but also can reduce the complexity of design and analysis of the transport container, auxiliary equipment required by the transport container and the manufacturing cost.
Further, first rand comprises two semicircle boards that are the symmetry and set up, fastens through the bolt between two semicircle boards, second rand and first rand have the same structure.
Furthermore, the enclosure and the bottom ring are both square frame structures.
Further, the bottom of the bottom ring extends inwards horizontally to form a bottom plate.
The bottom plate can enlarge the buffer deformation area, improve the buffer performance effect, increase the contact area with the ground and reduce the pressure on the ground.
Further, an inner wall of the bottom panel is connected to an outer wall of the second center panel.
Furthermore, the second connecting rib plate is of an asymmetric V-shaped structure, two ends of the V-shaped structure are respectively connected with the outer wall of the second clamping ring and the outer wall of the second center plate, the top of the V-shaped structure is connected with the inner wall of the bottom ring, and the first connecting rib plate and the second connecting rib plate have the same structure.
Further, the first connecting rib plates are arranged on the side walls between the enclosure and the first central plate and protrude out of the enclosure towards the top.
The arrangement on the first connecting rib plate can enlarge the buffer deformation area and improve the buffer performance effect. Lifting lugs can be arranged at the top of the enclosure.
Furthermore, the lower end frame is provided with a turnover support assembly;
the overturning support assembly comprises a support frame, a guide frame and a fixing pin; the support frame is the U-shaped structure, two lateral walls of U-shaped structure slide respectively and set up in two leading trucks, be connected through the fixed pin between the lateral wall of U-shaped structure and the leading truck, the leading truck is installed on the second well core plate, the bottom setting of support frame is in second well core plate below.
The turnover support component can be used for turning the posture of the cylindrical transport container from the vertical state to the horizontal state:
upset supporting component installs in the transport container bottom, and the support frame can slide in the leading truck inboard to can stretch out lower extreme frame bottom, the support frame can support the transport container bottom and make it fall on one side, further makes cylindrical transport container's focus plumb line surmount the contact point on foundation ring and ground, will transport the container and fall to the level smoothly.
The two ends of the U-shaped structure extend upwards to form a left arm and a right arm, a connecting rod is arranged between the two arms, and the bottom of the connecting rod is processed into an arc shape so as to support the ground and deflect smoothly.
Further, the guide frame is an inverted U-shaped plate, two end parts of the U-shaped plate horizontally extend outwards to form a horizontal plate, and a triangular reinforcing plate is arranged between the horizontal plate and the outer wall of the U-shaped plate.
Further, upper end frame and lower extreme frame all adopt steel to make, and upper end frame and lower extreme frame all wholly are the toper structure, and wherein, enclose and the foundation ring end is the main aspects, and first rand second rand end is the tip.
Compared with the prior art, the invention has the following advantages and beneficial effects:
1. the invention not only can provide effective protection when the transport container is accidentally dropped, and the transport container is convenient to operate and transport, but also reduces the complexity of design analysis of the transport container, reduces auxiliary equipment required by the transport container, and reduces the manufacturing cost.
2. The buffer frame has good stability when being connected with the cylindrical transport container.
3. The turnover support component can be used for turning the cylindrical transport container from the vertical state to the horizontal state.
4. According to the invention, the bottom of the bottom ring extends inwards and horizontally to form the bottom plate, and the side wall of the first connecting rib plate arranged between the enclosure and the first central plate protrudes out of the enclosure along the top direction, so that the buffer performance effect is improved, the contact area with the ground is increased, and the pressure on the ground is reduced.
5. The upper end frame and the lower end frame are both cone structures with square peripheral profiles, the cone structures can be used as anti-falling supports when the cylindrical transport container is vertically operated, and meanwhile, the square peripheral profiles can facilitate the fixation of the cylindrical transport container during horizontal transport.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the overall structure of a buffer frame;
FIG. 2 is a side view of a bumper bracket;
FIG. 3 is a schematic view of the overall structure of the upper frame;
FIG. 4 is a side view of the upper end frame;
FIG. 5 is a top view of the upper end frame;
FIG. 6 is a schematic view of the overall structure of the lower end frame;
FIG. 7 is a side view of the lower end frame;
FIG. 8 is a top view of the lower end frame;
FIG. 9 is a schematic structural view of the flip support assembly;
FIG. 10 is a schematic view of the support bracket of the inverted support assembly in a retracted state;
FIG. 11 is a schematic view of the support frame of the inverted support assembly in an extended position;
fig. 12 is a schematic view of the transport container in an inverted position.
Reference numbers and corresponding part names in the drawings:
1-upper end frame, 2-lower end frame, 3-transport container, 11-enclosure, 12-first central plate, 13-first collar, 14-first connecting rib plate, 21-bottom ring, 22-second central plate, 23-second collar, 24-second connecting rib plate, 25-overturning support component, 26-bottom plate, 251-support frame, 252-guide frame and 253-fixing pin.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Example 1:
as shown in fig. 1 to 8, a buffering frame for a cylindrical transport container includes an upper end frame 1 and a lower end frame 2;
the upper end frame 1 comprises a surrounding ring 11, a first central plate 12, a first clamping ring 13 and a first connecting rib plate 14; the first central plate 12 is arranged inside the enclosure 11, the first central plate 12 is positioned at the upper axial center position of the upper end frame 1, the first clamping ring 13 is arranged below the first central plate 12, the enclosure 11, the first central plate 12 and the first clamping ring 13 are connected through a first connecting rib plate 14, at least one side wall of the enclosure 11 is provided with a plane, the first clamping ring 13 is used for clamping the outer wall of the transport container 3, and the first central plate 12 is provided with a first central through hole matched with the top cover of the transport container 3;
the lower end frame 2 comprises a bottom ring 21, a second central plate 22, a second clamping ring 23 and a second connecting rib plate 24; the second central plate 22 is arranged inside the bottom ring 21, the second central plate 22 is located at the lower axial center position of the lower end frame 2, the second collar 23 is arranged above the second central plate 22, the bottom ring 21, the second central plate 22 and the second collar 23 are connected through a second connecting rib plate 24, at least one side wall of the bottom ring 21 is provided with a plane, the plane of the bottom ring 21 corresponds to the plane of the enclosure 11, the second collar 23 is used for being clamped on the outer wall of the transport container 3, and the second central plate 22 is provided with a second central through hole matched with the bottom cover of the transport container 3.
In this embodiment, upper end frame 1 and lower end frame 2 all adopt steel to make, and upper end frame 1 and lower end frame 2 all wholly are the toper structure, and wherein, enclose 11 and foundation ring 21 end are the main aspects, and first rand 13 second rand 23 end is the tip:
the enclosure 11 and the bottom ring 21 are both square frame structures, and the width of each square frame structure is larger than the outer diameter of the first clamping ring 13 and the second clamping ring 23.
The second connecting rib plate 24 is in an asymmetric V-shaped structure, two ends of the V-shaped structure are respectively welded with the outer wall of the second clamping ring 23 and the outer wall of the second central plate 22, the top of the V-shaped structure is welded with the inner wall of the bottom ring 21, and the first connecting rib plate 14 and the second connecting rib plate 24 have the same structure.
Example 2:
as shown in fig. 1 to 8, in the present embodiment, based on embodiment 1, the bottom of the bottom ring 21 extends horizontally inward to form a bottom plate 26; the inner wall of the bottom plate 26 is connected with the outer wall of the second central plate 22; the first connecting rib plate 14 is arranged between the enclosure 11 and the first central plate 12, and protrudes out of the enclosure 11 towards the top along the side wall.
Example 3:
as shown in fig. 9 to 12, in the present embodiment, based on embodiment 1, the lower end frame 2 is provided with an overturning support assembly 25;
the overturning support assembly 25 comprises a support frame 251, a guide frame 252 and a fixing pin 253; the support 251 is of a U-shaped structure, two side walls of the U-shaped structure are respectively slidably arranged in two guide frames 252, the side walls of the U-shaped structure are connected with the guide frames 252 through fixing pins 253, the guide frames 252 are mounted on the second central plate 22, and the bottom of the support 251 is arranged below the second central plate 22; the guide frame 252 is an inverted U-shaped plate, two end portions of the U-shaped plate horizontally extend outwards to form a horizontal plate, and a triangular reinforcing plate is arranged between the horizontal plate and the outer wall of the U-shaped plate.
Wherein, the supporting frame 251 is shown in fig. 10 as being normally in a retracted state, when the transport container 3 needs to be turned from a vertical state to a horizontal state, a crane can be used to cooperate with the vertical lifting lug of the upper end frame to lift the transport container 3, at this time, the fixing pin 253 is discharged, and the supporting frame 251 is operated to slide downwards to extend out of the bottom of the lower end frame 2 and is fixed by the fixing pin 253, as shown in fig. 11; when the crane is slowly released, the supporting frame 251 will support the bottom of the transportation container 3 to be inclined, and when the gravity center vertical line of the transportation container 3 exceeds the contact point P between the bottom ring 21 and the ground, as shown in fig. 12, the transportation container 3 can be smoothly laid down to be horizontal under the action of gravity.
Example 4:
as shown in fig. 1 to 8, in this embodiment, based on any one of embodiments 1 to 3, the inner diameter of the first central through hole is larger than the outer diameter of the top cover, which does not affect the top opening operation of the transportation container 3, and the inner diameter of the second central through hole is larger than the outer diameter of the bottom cover, which does not affect the bottom opening operation of the transportation container 3, and a lifting lug is provided on the enclosure 11.
The upper and lower parts in the embodiment are relative to the working state that the transport container 3 is vertically placed.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (10)
1. A buffer frame for cylindrical transport containers, characterized in that it comprises an upper end frame (1) and a lower end frame (2);
the upper end frame (1) comprises a surrounding ring (11), a first central plate (12), a first clamping ring (13) and a first connecting rib plate (14); the first central plate (12) is arranged on the inner side of the enclosure (11), the first clamping ring (13) is arranged below the first central plate (12), the enclosure (11), the first central plate (12) and the first clamping ring (13) are connected through a first connecting rib plate (14), at least one side wall of the enclosure (11) is provided with a plane, the first clamping ring (13) is used for clamping the outer wall of the transport container (3), and the first central plate (12) is provided with a first central through hole matched with a top cover of the transport container (3);
the lower end frame (2) comprises a bottom ring (21), a second central plate (22), a second clamping ring (23) and a second connecting rib plate (24); the second central plate (22) is arranged on the inner side of the bottom ring (21), the second clamping ring (23) is arranged above the second central plate (22), the bottom ring (21), the second central plate (22) and the second clamping ring (23) are connected through a second connecting rib plate (24), at least one side wall of the bottom ring (21) is provided with a plane, the plane of the bottom ring (21) corresponds to the plane of the surrounding ring (11), the second clamping ring (23) is used for clamping the outer wall of the transport container (3), and a second central through hole matched with the bottom cover of the transport container (3) is formed in the second central plate (22).
2. A buffer frame for cylindrical transport containers according to claim 1, characterized in that the first collar (13) is formed by two symmetrically arranged semicircular arc plates fastened by bolts, and the second collar (23) has the same structure as the first collar (13).
3. A buffer frame for cylindrical transport containers according to claim 1, characterized in that the enclosure (11) and the bottom ring (21) are both square frame structures.
4. A buffer frame for cylindrical transport containers according to claim 3, characterized in that the bottom of the bottom ring (21) extends horizontally inwards to form a floor (26).
5. A buffer frame for cylindrical transport containers according to claim 4, characterized in that the inner wall of the bottom plate (26) is connected to the outer wall of the second central plate (22).
6. A buffer frame for cylindrical transport containers according to claim 1, characterized in that the second connecting rib (24) is an asymmetric V-shaped structure, and the two ends of the V-shaped structure are respectively the same structure as the outer wall of the second collar (23), the outer wall 4 of the second central plate (22) and the second connecting rib (24).
7. A buffer frame for cylindrical transport containers according to claim 6, characterized in that the first connection webs (14) are arranged at the side walls between the enclosure (11) and the first central panel (12) projecting to the top along the enclosure (11).
8. A buffer frame for cylindrical transport containers according to claim 1, characterized in that the lower end frame (2) is provided with a turn-over support assembly (25);
the overturning support assembly (25) comprises a support frame (251), a guide frame (252) and a fixing pin (253); the support frame (251) is of a U-shaped structure, two side walls of the U-shaped structure are respectively arranged in two guide frames (252) in a sliding mode, the side walls of the U-shaped structure are connected with the guide frames (252) through fixing pins (253), the guide frames (252) are installed on the second central plate (22), and the bottom of the support frame (251) is arranged below the second central plate (22).
9. A buffer frame for cylindrical transport containers as claimed in claim 8, characterized in that the guiding frame (252) is an inverted U-shaped plate, both ends of which extend horizontally outwards to form a horizontal plate, and a triangular reinforcing plate is provided between the horizontal plate and the outer wall of the U-shaped plate.
10. A buffer frame for cylindrical transport containers according to any of claims 1-9, characterized in that the upper end frame (1) and the lower end frame (2) are made of steel, and the upper end frame (1) and the lower end frame (2) are integrally of a conical structure, wherein the ends of the enclosure ring (11) and the bottom ring (21) are large ends, and the ends of the first collar (13) and the second collar (23) are small ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452329.1A CN113161031B (en) | 2021-04-26 | 2021-04-26 | Buffer frame for cylindrical transport container |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110452329.1A CN113161031B (en) | 2021-04-26 | 2021-04-26 | Buffer frame for cylindrical transport container |
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| Publication Number | Publication Date |
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| CN113161031A true CN113161031A (en) | 2021-07-23 |
| CN113161031B CN113161031B (en) | 2022-02-11 |
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