CN217152823U

CN217152823U - Nuclear fuel anti-critical reaction storage grillwork with anti-seismic function

Info

Publication number: CN217152823U
Application number: CN202220849984.0U
Authority: CN
Inventors: 付启帅; 张德江; 李伟彦; 赵文; 王嵩; 杨凤; 王帅; 王研
Original assignee: DALIAN BAOYUAN NUCLEAR EQUIPMENT CO LTD
Current assignee: DALIAN BAOYUAN NUCLEAR EQUIPMENT CO LTD
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-08-09
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a nuclear fuel prevents critical reaction storage framework with antidetonation function, including base and storage framework body, the top of base is provided with four corner racks that are ring array form and distribute, adjacent two be provided with the buffering subassembly that is used for protecting storage framework body between the corner rack, multiunit evenly distributed and corner rack complex bank of cells have been seted up at the top of base, the bank of cells includes a plurality of evenly distributed's recess, be connected by bolt-up between corner rack and the recess, the buffering subassembly includes fly leaf, buffer spring, buffer board and connecting rod, seted up on the corner rack with fly leaf complex assembly groove. The utility model discloses in, through the mutually supporting of the corner frame that sets up and buffering subassembly, the corner frame buffering subassembly's of being convenient for installation is dismantled, and the setting of buffering subassembly makes storage framework body have certain antidetonation effect, prolongs storage framework body's life to a certain extent.

Description

Nuclear fuel anti-critical reaction storage grillwork with anti-seismic function

Technical Field

The utility model relates to a storage framework technical field especially relates to a nuclear fuel prevents critical reaction storage framework with antidetonation function.

Background

The nuclear fuel storage grid is positioned in the spent fuel storage pool of the auxiliary factory building and mainly provides a storage space for the nuclear fuel assemblies discharged out of the reactor core, but the existing nuclear fuel storage grid has poor anti-seismic performance, so that the nuclear fuel anti-critical reaction storage grid with the anti-seismic function is provided.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the problems, the nuclear fuel anti-critical reaction storage framework with the anti-seismic function is provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a nuclear fuel prevents critical reaction storage framework with antidetonation function, includes base and storage framework body, the top of base is provided with four edge frames that are the annular array form and distribute, adjacent two be provided with the buffer unit who is used for protecting storage framework body between the edge frame.

Preferably, the top of the base is provided with a plurality of groups of uniformly distributed groove groups matched with the corner frames, each groove group comprises a plurality of uniformly distributed grooves, and the corner frames are fixedly connected with the grooves through bolts.

Preferably, the buffering subassembly includes fly leaf, buffer spring, buffer board and connecting rod, seted up on the corner bracket with fly leaf complex assembly groove, the fly leaf sets up the inside at the assembly groove, one side that storage grid body was kept away from to the fly leaf is provided with two symmetric distribution's buffer spring, buffer spring's flexible end and buffer board's side table wall fixed connection, the both sides of buffer board all are provided with two symmetric distribution's connecting rod, the one end and the fly leaf sliding connection of buffer board are kept away from to the connecting rod.

Preferably, a limit column matched with the movable plate is arranged above the corner frame, the limit column is in threaded connection with the corner frame and extends to the assembling groove, and a rubber pad is arranged on one side, close to the storage grillage body, of the corner frame.

Preferably, the bottom of the storage grillwork body is provided with a plurality of uniformly distributed mounting blocks, and the upper wall of the base is provided with a plurality of uniformly distributed mounting holes respectively matched with the mounting blocks.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

this application is through the corner frame that sets up and the mutually supporting of buffering subassembly, and the corner frame buffering subassembly's of being convenient for installation is dismantled, and the setting of buffering subassembly makes storage grid body have certain antidetonation effect, prolongs the life of storage grid body to a certain extent.

Drawings

Figure 1 shows a schematic view of the overall structure of a storage lattice provided according to an embodiment of the invention;

figure 2 shows a schematic view of a storage grid assembly structure provided according to an embodiment of the present invention;

fig. 3 is a schematic view illustrating an assembly structure of a base and a corner frame according to an embodiment of the present invention;

fig. 4 shows the overall structure schematic diagram of the base provided according to the embodiment of the present invention.

Illustration of the drawings:

1. a base; 2. a storage grid body; 3. a corner bracket; 4. assembling a groove; 5. a movable plate; 6. a buffer spring; 7. a buffer plate; 8. a connecting rod; 9. a groove; 10. a rubber pad; 11. a limiting post.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution:

the utility model provides a nuclear fuel prevents critical reaction storage framework with antidetonation function, includes base 1 and storage framework body 2, and the top of base 1 is provided with four corner frames 3 that are the annular array form and distribute, is provided with the buffer unit who is used for protecting storage framework body 2 between two adjacent corner frames 3.

Specifically, as shown in fig. 1 and 4, a plurality of groove groups which are uniformly distributed and matched with the corner frames 3 are formed in the top of the base 1, each groove group comprises a plurality of grooves 9 which are uniformly distributed, the corner frames 3 and the grooves 9 are fastened and connected through bolts, and the arranged groove groups are suitable for storage grillwork bodies 2 of various sizes, so that the practicability and the applicability of the whole buffer assembly are improved.

Specifically, as shown in fig. 3, the buffer assembly includes a movable plate 5, a buffer spring 6, a buffer plate 7 and connecting rods 8, the corner frame 3 is provided with an assembly slot 4 matched with the movable plate 5, the movable plate 5 is disposed inside the assembly slot 4, one side of the movable plate 5 away from the storage grid body 2 is provided with two buffer springs 6 distributed symmetrically, the telescopic ends of the buffer springs 6 are fixedly connected with the side surface wall of the buffer plate 7, two sides of the buffer plate 7 are both provided with two connecting rods 8 distributed symmetrically, one end of each connecting rod 8 away from the buffer plate 7 is slidably connected with the movable plate 5, when the buffer plate 7 is subjected to external force, the buffer spring 6 is extruded, the connecting rods 8 at the two sides of the buffer plate 7 slide towards the two sides, the external force is buffered, the storage grillwork body 2 is protected from being damaged, and the buffering assemblies with different sizes can be selected according to the positions of the corner frames 3.

Specifically, as shown in fig. 3, a limiting post 11 matched with the movable plate 5 is arranged above the corner frame 3, the limiting post 11 is in threaded connection with the corner frame 3 and extends to the assembling groove 4, the limiting post 11 positions the position of the movable plate 5, and a rubber pad 10 is arranged on one side of the corner frame 3 close to the storage grid body 2 to protect the corner of the storage grid body 2 to a certain extent.

Specifically, as shown in fig. 1 and 2, a plurality of uniformly distributed mounting blocks are arranged at the bottom of the storage lattice frame body 2, a plurality of uniformly distributed mounting holes respectively matched with the mounting blocks are formed in the upper wall of the base 1, the storage lattice frame body 2 is placed on the base 1, and the base 1 and the storage lattice frame body 2 are fastened and connected through bolts.

The previous description of the embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. The utility model provides a nuclear fuel prevents critical reaction storage framework with antidetonation function, includes base (1) and storage framework body (2), its characterized in that, the top of base (1) is provided with four corner frames (3) that are the distribution of annular array form, adjacent two be provided with the buffer unit who is used for protecting storage framework body (2) between corner frame (3).

2. The nuclear fuel anti-critical reaction storage grid with the earthquake-proof function according to claim 1, wherein the top of the base (1) is provided with a plurality of evenly distributed groove sets matched with the corner brackets (3), the groove sets comprise a plurality of evenly distributed grooves (9), and the corner brackets (3) are fixedly connected with the grooves (9) through bolts.

3. The nuclear fuel anti-critical reaction storage lattice with the earthquake-proof function according to claim 1, it is characterized in that the buffer component comprises a movable plate (5), a buffer spring (6), a buffer plate (7) and a connecting rod (8), the corner bracket (3) is provided with an assembling groove (4) matched with the movable plate (5), the movable plate (5) is arranged inside the assembling groove (4), one side of the movable plate (5) far away from the storage grillwork body (2) is provided with two buffer springs (6) which are symmetrically distributed, the telescopic end of the buffer spring (6) is fixedly connected with the side surface wall of the buffer plate (7), two symmetrically distributed connecting rods (8) are arranged on both sides of the buffer plate (7), one end, far away from the buffer plate (7), of the connecting rod (8) is connected with the movable plate (5) in a sliding mode.

4. The nuclear fuel anti-critical reaction storage lattice frame with the earthquake-proof function as claimed in claim 1, wherein a limiting column (11) matched with the movable plate (5) is arranged above the corner frame (3), the limiting column (11) is in threaded connection with the corner frame (3) and extends to the assembling groove (4), and a rubber pad (10) is arranged on one side of the corner frame (3) close to the storage lattice frame body (2).

5. The nuclear fuel anti-critical reaction storage lattice frame with the earthquake-proof function as claimed in claim 1, wherein the bottom of the storage lattice frame body (2) is provided with a plurality of uniformly distributed mounting blocks, and the upper surface wall of the base (1) is provided with a plurality of uniformly distributed mounting holes respectively matched with the mounting blocks.