CN202201381U - Shock-absorbing device of nuclear fuel assembly transportation container - Google Patents
Shock-absorbing device of nuclear fuel assembly transportation container Download PDFInfo
- Publication number
- CN202201381U CN202201381U CN2011202777312U CN201120277731U CN202201381U CN 202201381 U CN202201381 U CN 202201381U CN 2011202777312 U CN2011202777312 U CN 2011202777312U CN 201120277731 U CN201120277731 U CN 201120277731U CN 202201381 U CN202201381 U CN 202201381U
- Authority
- CN
- China
- Prior art keywords
- fuel assembly
- nuclear fuel
- block body
- cushion block
- transfer cask
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a shock-absorbing device of a nuclear fuel assembly transportation container and relates to the field of carriage of dangerous goods, and the device can be used for solving the problem of lacking a shock-absorbing device which can be specially applied to the nuclear fuel assembly transportation container, has good shock-absorbing performance and is easy to manufacture and install. The shock-absorbing device provided by the technical scheme of the embodiment of the utility model is characterized by comprising a plurality of shock-absorbing units, wherein each shock-absorbing unit comprises a filling block body, the upper surface of each filling block body is provided with a roof plate which is used for being connected with internal parts of the nuclear fuel assembly transportation container, and the lower surface of each filling block body is provided with a bottom plate which is used for being connected with a shell of the nuclear fuel assembly transportation container. The shock-absorbing device provided by the embodiment of the utility model can be applicable to radioactive material transporting equipment and the like.
Description
Technical field
The utility model relates to the carriage of dangerous goods field, relates in particular to a kind of shock absorption device of nuclear fuel assembly transfer cask.
Background technology
Nuclear fuel assembly needs to guarantee the safety of transportation in transportation, under the normal transport condition, the accekeration that guarantee nuclear fuel assembly is less than its limit value requirement; To guarantee that under the shipping accident condition nuclear fuel assembly is included in transfer cask inside, can not be scattering into the transfer cask outside.Therefore in the design of transfer cask, just need to consider the connection structure of vessel internals and shell of tank, select suitable shock absorption device for use.
State in realization in the process of transportation nuclear fuel assembly, the contriver finds to exist at least in the prior art following problem:
Lack and be specially adapted for nuclear fuel assembly transfer cask, damping performance shock absorption device good, that process and install easily again.
Summary of the invention
To existing deficiency in the prior art; The purpose of the utility model is to provide a kind of shock absorption device of nuclear fuel assembly transfer cask; Alleviate the vibration that produces in the transportation influence to nuclear fuel assembly in the transfer cask; Damping performance is good, processing and installation easily again, the transportation safety of assurance nuclear fuel assembly.
The utility model solves the problems of the technologies described above the technical scheme that is adopted and describes as follows:
A kind of shock absorption device of nuclear fuel assembly transfer cask; Comprise several vibration absorption unit; Said vibration absorption unit comprises rubber-like cushion block body, and the upper surface of cushion block body is provided with top board, is used for being connected with the INT COMP of said nuclear fuel assembly transfer cask; The lower surface of cushion block body is provided with base plate, is used for being connected with the shell of said nuclear fuel assembly transfer cask.
Further; The cushion block body is connected through the INT COMP of the screw on the top board with said nuclear fuel assembly transfer cask; The cushion block body is provided with the counterbore that is used for ccontaining screw; The part screw thread of screw is connected with top board, and the part screw thread of screw stretches out the upper surface of cushion block body and is used for being connected with the INT COMP of said nuclear fuel assembly transfer cask.
Further, on the lower flange of cushion block body, be provided with and be used for the through hole that is connected with the shell of nuclear fuel assembly transfer cask.
Further, the cushion block body interior is a hollow structure.Adopt hollow structure, can play better damping effect.
Further, the cushion block body is the rubber material.The cushion block body can also be selected other elastic materials for use, to satisfy the needs of buffering applied external force.The cushion block body is selected elastomeric material for use, and itself has better elastic, can die cast.
Further, top board is steel, and base plate is steel.Top board and base plate can also be selected other metal materials for use.Can guarantee enough Joint strenghts like this.
Further, top board and base plate are placed in the groove of cushion block body, and the upper surface of top board, the lower surface of base plate are concordant with cushion block body upper and lower surfaces respectively.
Further, the center of the center of top board, base plate and cushion block body have the through hole of concentric.The cushion block body interior has through hole, with top board, base plate center drilling concentric, is convenient to the installation of screw.
Further, top board is bonded in cushion block body upper end.Base plate is bonded in cushion block body lower end.Top board and base plate and cushion block body are bonding, and processing and fabricating is convenient.
Further, shock absorption device is the integral structure that one or more vibration absorption unit combine.
The effect of the utility model is: the utility model is after having taked technique scheme; The cushioning effect that the cushion block main body is main, top board and base plate have then guaranteed Joint strenght and have played transitional function that this has just alleviated the influence of the vibration of generation in the transportation to nuclear fuel assembly in the transfer cask; Damping performance is good; Cost is practiced thrift in processing and installation easily again, has guaranteed the transportation safety of nuclear fuel assembly.
Description of drawings
Fig. 1 is the structural representation of the shock absorption device of the utility model embodiment nuclear fuel assembly transfer cask;
Fig. 2 is the birds-eye view of Fig. 1;
Fig. 3 is the upward view of Fig. 1;
The cross-sectional schematic of the structure of the shock absorption device of Fig. 4 the utility model embodiment nuclear fuel assembly transfer cask;
The structural representation of the top board 1 of the shock absorption device of Fig. 5 the utility model embodiment nuclear fuel assembly transfer cask.
Wherein: 1. top board; 2. cushion block body; 3. screw; 4. base plate.
The specific embodiment
Come the utility model is described below in conjunction with accompanying drawing and specific embodiment.
Embodiment
Like Fig. 1-shown in Figure 5, the shock absorption device of nuclear fuel assembly transfer cask comprises 3 vibration absorption unit, and said vibration absorption unit comprises top board 1, cushion block body 2, base plate 4, screw 3.Cushion block body 2 is connected with the INT COMP of said nuclear fuel assembly transfer cask through the screw 3 on the top board 1 of being located at cushion block body 2 lower surfaces; Cushion block body 2 inside are hollow structure; The part screw thread of screw 3 is connected with top board 1, and the part screw thread of screw 3 stretches out the upper surface of cushion block body and is used for being connected with the INT COMP of said nuclear fuel assembly transfer cask.The lower surface of cushion block body 2 is provided with base plate 4, on the lower flange of cushion block body 2, is provided with to be used for the through hole that is connected with the shell of nuclear fuel assembly transfer cask.Elastomeric material is pressed Fig. 5 structure die cast, bonding with 3 top boards 1 and 3 base plates 4 according to machine-shaping shown in Figure 4.Screw 3 is screwed to correct position through the perforates in the cushion block body 2, and screw 3 and top board 1 guarantee enough Joint strenghts through being threaded.
The center of the center of top board 1, base plate 4 and cushion block body 2 have the through hole of concentric.Cushion block body 2 inside have through hole, with top board 1, base plate 4 center drilling concentrics, are convenient to the installation of screw 3.
In sum, the perforate through base plate 4 and cushion block body 2 bottoms utilizes bolt arrangement, and shock absorption device is connected with nuclear fuel assembly transfer cask shell; Through screw 3, shock absorption device is connected with nuclear fuel assembly transfer cask INT COMP.Through shock absorption device shell of tank is connected with the inner structure of nuclear fuel assembly transfer cask as a whole, the safety of nuclear fuel assembly when having guaranteed transportation.The shock absorption device of the nuclear fuel assembly transfer cask that the utility model embodiment provides is widely used in radiomaterial transportation device etc.
It should be noted that; Above-mentioned specific embodiment only is exemplary; Under the above-mentioned instruction of the utility model, those skilled in the art can carry out various improvement and distortion on the basis of the foregoing description, and these improve or distortion drops in the protection domain of the utility model.It will be understood by those skilled in the art that top specific descriptions just in order to explain the purpose of the utility model, are not to be used to limit the utility model.The protection domain of the utility model is limited claim and equivalent thereof.
Claims (8)
1. the shock absorption device of a nuclear fuel assembly transfer cask; It is characterized in that, comprise several vibration absorption unit, said vibration absorption unit comprises rubber-like cushion block body (2); The upper surface of cushion block body (2) is provided with top board (1); Be used for being connected with the INT COMP of said nuclear fuel assembly transfer cask, the lower surface of cushion block body (2) is provided with base plate (4), is used for being connected with the shell of said nuclear fuel assembly transfer cask.
2. the shock absorption device of nuclear fuel assembly transfer cask according to claim 1; It is characterized in that; Cushion block body (2) is connected with the INT COMP of said nuclear fuel assembly transfer cask through the screw (3) on the top board (1); Cushion block body (2) is provided with the counterbore that is used for ccontaining screw (3), and the part screw thread of screw (3) is connected with top board (1), and the part screw thread of screw (3) stretches out the upper surface of cushion block body (2) and is used for being connected with the INT COMP of said nuclear fuel assembly transfer cask.
3. the shock absorption device of nuclear fuel assembly transfer cask according to claim 1 and 2 is characterized in that, on the lower flange of cushion block body (2), is provided with to be used for the through hole that is connected with the shell of nuclear fuel assembly transfer cask.
4. the shock absorption device of nuclear fuel assembly transfer cask according to claim 1 and 2 is characterized in that, cushion block body (2) inside is hollow structure.
5. the shock absorption device of nuclear fuel assembly transfer cask according to claim 1; It is characterized in that; Top board (1) and base plate (4) are placed in the groove of cushion block body (2), and the lower surface of the upper surface of top board (1), base plate (4) is concordant with cushion block body (2) upper and lower surfaces respectively.
6. the shock absorption device of nuclear fuel assembly transfer cask according to claim 1 is characterized in that, the center of the center of top board (1), base plate (4) and cushion block body (2) have the through hole of concentric.
7. the shock absorption device of nuclear fuel assembly transfer cask according to claim 1 is characterized in that, top board (1) is bonded in cushion block body (2) upper end, and base plate (4) is bonded in cushion block body (2) lower end.
8. the shock absorption device of nuclear fuel assembly transfer cask according to claim 1 is characterized in that, shock absorption device is the integral structure that one or more vibration absorption unit are combined to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202777312U CN202201381U (en) | 2011-08-02 | 2011-08-02 | Shock-absorbing device of nuclear fuel assembly transportation container |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202777312U CN202201381U (en) | 2011-08-02 | 2011-08-02 | Shock-absorbing device of nuclear fuel assembly transportation container |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202201381U true CN202201381U (en) | 2012-04-25 |
Family
ID=45965515
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202777312U Expired - Fee Related CN202201381U (en) | 2011-08-02 | 2011-08-02 | Shock-absorbing device of nuclear fuel assembly transportation container |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202201381U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111108568A (en) * | 2018-11-26 | 2020-05-05 | 中广核研究院有限公司 | Fuel assembly transport container and buffer member thereof |
| CN113555143A (en) * | 2021-06-25 | 2021-10-26 | 中国核电工程有限公司 | Damping device for nuclear fuel transportation container |
-
2011
- 2011-08-02 CN CN2011202777312U patent/CN202201381U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111108568A (en) * | 2018-11-26 | 2020-05-05 | 中广核研究院有限公司 | Fuel assembly transport container and buffer member thereof |
| CN111108568B (en) * | 2018-11-26 | 2023-08-25 | 中广核研究院有限公司 | Fuel assembly transport container and cushioning member thereof |
| CN113555143A (en) * | 2021-06-25 | 2021-10-26 | 中国核电工程有限公司 | Damping device for nuclear fuel transportation container |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20190802 |