WO2021203332A1 - 燃料组件稳固装置 - Google Patents

燃料组件稳固装置 Download PDF

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Publication number
WO2021203332A1
WO2021203332A1 PCT/CN2020/083832 CN2020083832W WO2021203332A1 WO 2021203332 A1 WO2021203332 A1 WO 2021203332A1 CN 2020083832 W CN2020083832 W CN 2020083832W WO 2021203332 A1 WO2021203332 A1 WO 2021203332A1
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WO
WIPO (PCT)
Prior art keywords
fuel assembly
sleeve
stabilization device
positioning plate
screw
Prior art date
Application number
PCT/CN2020/083832
Other languages
English (en)
French (fr)
Inventor
吴腾
吴涛
杨晓东
廉志坤
彭云杰
李其朋
许骏翔
于久州
王弟东
吕甜甜
刘浩仑
张春艳
胡耀峰
朱贺
王超
Original Assignee
中广核研究院有限公司
中广核铀业发展有限公司
中国广核集团有限公司
中国广核电力股份有限公司
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 中广核研究院有限公司, 中广核铀业发展有限公司, 中国广核集团有限公司, 中国广核电力股份有限公司 filed Critical 中广核研究院有限公司
Priority to PCT/CN2020/083832 priority Critical patent/WO2021203332A1/zh
Priority to CN202080009248.8A priority patent/CN113646849B/zh
Publication of WO2021203332A1 publication Critical patent/WO2021203332A1/zh

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Classifications

    • 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
    • G21F5/005—Containers for solid radioactive wastes, e.g. for ultimate disposal
    • G21F5/008—Containers for fuel elements
    • G21F5/012—Fuel element racks in the containers
    • 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
    • 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
    • G21F5/14—Devices for handling containers or shipping-casks, e.g. transporting devices loading and unloading, filling of containers
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E30/00—Energy generation of nuclear origin
    • Y02E30/30—Nuclear fission reactors

Definitions

  • the invention relates to the technical field of fuel assembly transportation, in particular to a fuel assembly stabilization device.
  • the transportation of fuel assemblies and control rod assemblies usually uses special fuel assembly transportation containers to realize their transportation and transfer.
  • the fuel assembly In the transportation container, the fuel assembly is inserted into the control rod assembly and placed axially parallel to the length of the transportation container. Since the length of the transportation container will be greater than the axial length of the fuel assembly, the fuel assembly will be axially upward in the transportation container. There is no restriction to move, and there is no energy absorbing device in the axial direction, it is easy to cause problems such as damage to the fuel assembly and the control rod assembly.
  • the technical problem to be solved by the present invention is to provide a fuel assembly stabilization device for a fuel assembly transportation container to realize axial fixation of the control rod assembly and the fuel assembly.
  • the technical solution adopted by the present invention to solve its technical problem is to provide a fuel assembly stabilization device for a fuel assembly transportation container, the fuel assembly transportation container is provided with a cavity for placing the fuel assembly, and the fuel assembly is inserted with Control rod assembly;
  • the stabilizing device includes a positioning plate corresponding to the cavity, a sleeve for sleeved outside the central barrel of the control rod assembly, and a compression for detachably fitting to the upper end of the central barrel set;
  • the positioning plate is provided with a central through hole
  • the sleeve is vertically connected to the positioning plate in cooperation with the central through hole
  • the compression sleeve is arranged in the sleeve and can be arranged along the center of the sleeve. The axis moves back and forth.
  • the fuel assembly stabilizing device further includes an adjustment assembly that connects and drives the compression sleeve to move back and forth along the axial direction of the sleeve.
  • the adjustment assembly includes a base fixed on the compression sleeve, a screw rod connected to the base at a first end, and a lock nut adapted to the screw rod;
  • the second end of the screw passes through the closed end of the sleeve and is located outside the closed end, and the lock nut is arranged on the outside of the sleeve and sleeved on the screw.
  • the adjustment assembly further includes a washer arranged between the lock nut and the sleeve.
  • a limit cavity is provided inside the base, and the first end of the screw penetrates and is rotatably locked in the limit cavity; the first end of the screw and the limit cavity Wear-resistant pads are arranged between the inner walls.
  • the positioning plate is provided with a plurality of mounting holes spaced apart in the circumferential direction.
  • the fuel assembly stabilizing device further includes a handle provided on the side of the positioning plate.
  • the fuel assembly stabilizing device further includes a shock absorber arranged on the positioning plate and sleeved on the periphery of the sleeve.
  • the shock absorber includes a bottom plate fixed on the positioning plate, an annular side wall connected to the bottom plate and sleeved on the periphery of the sleeve, opposite to the bottom plate and fitted to the bottom plate.
  • the side wall has a double-layer structure with an interlayer space, and a filling material is arranged in the interlayer space.
  • the height of the shock absorber on the positioning plate is greater than the height of the sleeve.
  • the fuel assembly stabilization device of the present invention is used in a fuel assembly transportation container, in which the control rod assembly on the fuel assembly is axially fixed, and the entire fuel assembly is also axially fixed, which can effectively reduce the damage to the assembly caused by external impact; Convenient and simple to maintain.
  • Figure 1 is a top view of a fuel assembly stabilizing device according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional structure diagram of a fuel assembly stabilizing device according to an embodiment of the present invention.
  • the fuel assembly stabilizing device As shown in Figures 1 and 2, the fuel assembly stabilizing device according to an embodiment of the present invention is used in a fuel assembly transportation container.
  • the fuel assembly stabilizing device may include a positioning plate 10, a sleeve 20 provided on the positioning plate 10 and a compression sleeve 30 provided in the sleeve 20.
  • the fuel assembly transportation container is used to load fuel assemblies and realize the transportation and transfer of fuel assemblies.
  • the fuel assembly transportation container is provided with a cavity for placing the fuel assembly, and the fuel assembly is inserted with a control rod assembly.
  • the positioning plate 10 is installed in the fuel assembly transportation container corresponding to the cavity of the fuel assembly transportation container; the sleeve 20 is used to sleeve the center tube of the control rod assembly; the compression sleeve 30 is used to detachably fit the upper end of the center tube , By pressing on the central cylinder, the axial restraint of the control rod assembly is realized, and then the fuel assembly is axially restrained.
  • the positioning plate 10 is provided with a central through hole 100
  • the sleeve 20 is vertically connected to the positioning plate 10 in cooperation with the central through hole 100
  • the inner axial space of the sleeve 20 is used for accommodating the upper end of the central cylinder of the control rod assembly.
  • the compression sleeve 30 can move back and forth along the axial direction of the sleeve 30 within the sleeve 30, so as to be close to the upper end of the central cylinder that is compressed to the control rod assembly, or separated from the upper end of the central cylinder to release its compression.
  • the fuel assembly stabilization device mainly realizes the fixation of the entire device by fixing the positioning plate 10 in the fuel assembly transportation container.
  • the positioning plate 10 is provided with a plurality of mounting holes 110 spaced apart in the circumferential direction, and the number and arrangement interval of the mounting holes 110 are correspondingly set according to the connecting holes or connecting posts at the end of the inner cavity of the transport container, thereby
  • the fixing of the positioning plate 10 in the transportation container is realized by locking the bolts in the mounting hole 110 and the connecting hole (or connecting column).
  • the outer peripheral shape of the positioning plate 10 is not limited, and can be flexibly set according to the space in the transportation container. It can be a regular shape, such as a circle, a polygon, etc., or an irregular shape, as shown in FIG. Shapes such as edges.
  • the fuel assembly stabilizing device of the present invention further includes a handle 50 arranged on the side of the positioning plate 10.
  • One or more handles 50 can be provided as required.
  • the sleeve 20 is a cylindrical structure with one end closed and one end open.
  • the sleeve 20 is fitted into the central through hole 100 of the positioning plate 10 with its open end, and can be fixed on the positioning plate 10 by welding or the like, and is connected to the positioning plate 10 as a whole.
  • the upper end of the central cylinder of the control rod assembly can extend from the side of the positioning plate 10 through the open end of the sleeve 20 into it.
  • the compression sleeve 30 is close to the closed end of the sleeve 20 and can move back and forth along the axial direction of the sleeve 20 so as to move closer to or away from the upper end of the central tube extending into the sleeve 20.
  • the fuel assembly stabilization device of the present invention further includes an adjustment assembly 40 that connects and drives the compression sleeve 30 to move back and forth along the axial direction of the sleeve 20.
  • the adjustment assembly 40 includes a base 41, a screw 42 and a nut 43 that are matched.
  • the base 41 is fixed on the compression sleeve 30, preferably on the end face of the compression sleeve 30 facing the closed end of the sleeve 20, and is relatively fixed to the compression sleeve 30.
  • the base 41 can be independently arranged and installed on the compression sleeve 30, or can be integrally formed on the compression sleeve 30.
  • the screw 42 has opposite first and second ends.
  • the first end of the screw 42 is connected to the base 41, and the closed end of the second end passing through the sleeve 20 is located outside the closed end; the closed end is correspondingly provided with a through hole for the screw 42 to pass through.
  • the lock nut 43 is arranged on the outer side of the sleeve 20 and sleeved on the screw 42. When the screw 42 is rotated, the rotation of the screw 42 drives the compression sleeve 30 to move axially in the sleeve 20; the lock nut 43 is used to lock the screw 42 after rotation.
  • the base 41 is movably connected with the first end of the screw 42.
  • the base 41 is provided with a limiting cavity 410, and the first end of the screw 42 penetrates and can be rotatably locked in the limiting cavity 410, so that the screw 42 can rotate relative to the base 41 to drive the axial movement of the base 41, and the base 41 It will not rotate with the screw 42 to prevent the rotation of the base 41 from causing abrasion to the central barrel of the control rod assembly.
  • a wear pad 44 may be provided between the first end of the screw 42 and the inner wall of the limiting cavity 410.
  • the adjustment assembly 40 also includes a washer 45 arranged between the lock nut 43 and the sleeve 20 to enhance the locking strength of the lock nut 43 to the screw 42 and reduce the wear on the outer surface of the closed end of the sleeve 20.
  • the fuel assembly stabilization device of the present invention further includes a shock absorber 60 arranged on the positioning plate 10 and sleeved on the periphery of the sleeve 20.
  • the height of the shock absorber 60 on the positioning plate 10 is greater than the height of the sleeve 20 on the positioning plate 10, so that the sleeve 20 as a whole can be located inside the shock absorber 60, so that the sleeve 20 and the adjustment assembly 40 are both located
  • the inside of the shock absorber 60 makes the shock absorption effect better.
  • the shock absorber 60 may include a bottom plate 61 and a top plate 63 arranged oppositely, and a side wall 62 connected between the bottom plate 61 and the top plate 63.
  • the side wall 62 has a double-layer structure with a sandwich space, and a filling material 64 is provided in the sandwich space for absorbing impact energy.
  • the bottom plate 61 can be fixed on the positioning plate 10 by bolt locking or welding, etc., and is annularly located on the periphery of the sleeve 20.
  • the side wall 62 is annularly connected to the bottom plate 61 and sleeved on the periphery of the sleeve 20, and the top plate 63 is also annularly fitted on the side wall 62 correspondingly.
  • the side wall 62 may further include an annular inner wall 621 and an annular outer wall 622 sleeved outside the annular inner wall 621, and a space between the annular inner wall 621 and the annular outer wall 622 forms a sandwich space.
  • the bottom plate 61 and the top plate 63 close the interlayer space at both ends of the side wall 62 to form a closed space, and the filling material 64 is filled in the closed space.
  • the filling material 64 is selected from a material having a good effect of absorbing impact energy, preferably balsa wood with a smaller bulk density.
  • the fuel assembly stabilizing device of the present invention When the fuel assembly stabilizing device of the present invention is used, it is installed in the fuel assembly transportation container. After placing the fuel assembly horizontally in the fuel assembly transportation container, insert the upper end of the central cylinder of the control rod assembly on the top of the fuel assembly into the sleeve 20 of the stabilizing device, and operate the adjustment assembly 40 to move the compression sleeve 30 to make it compact in the center
  • the upper end of the cylinder is relatively fixed, and the control rod assembly is axially fixed (axially restrained), and then the entire fuel assembly is axially fixed to avoid damages such as movement in the transportation container.

Abstract

一种燃料组件稳固装置，包括与燃料组件运输容器内容腔对应的定位板（10）、用于套设到控制棒组件中心筒外的套筒（20）、用于可分离地配合到中心筒上端的压紧套（30）；定位板（10）上设有中心通孔（100），套筒（20）配合中心通孔（100）垂直连接在定位板（10）上，压紧套（30）设置在套筒（20）内并可沿套筒（20）的轴向来回移动。燃料组件稳固装置用于燃料组件运输容器，对其中燃料组件上控制棒组件进行轴向固定，进而也对整个燃料组件进行轴向固定，能有效降低外界撞击对组件的损害。

Description

燃料组件稳固装置 技术领域
本发明涉及燃料组件运输技术领域，尤其涉及一种燃料组件稳固装置。
 背景技术
燃料组件和控制棒组件的运输通常都采用专门的燃料组件运输容器实现其运输转移等。在运输容器内，燃料组件插配控制棒组件后以轴向平行运输容器的长度方向放置其中，由于运输容器长度上会大于燃料组件轴向长度设置，燃料组件在运输容器内会因轴向上没有约束发生窜动，加上轴向方向上没有吸能装置，容易造成燃料组件和控制棒组件的损伤等问题。
 技术问题
本发明要解决的技术问题在于，提供一种用于燃料组件运输容器，实现对控制棒组件及燃料组件的轴向固定的燃料组件稳固装置。
 技术解决方案
本发明解决其技术问题所采用的技术方案是：提供一种燃料组件稳固装置，用于燃料组件运输容器，所述燃料组件运输容器内设有容腔以放置燃料组件，燃料组件上插配有控制棒组件；所述稳固装置包括与所述容腔对应的定位板、用于套设到控制棒组件的中心筒外的套筒、用于可分离地配合到所述中心筒上端的压紧套；
所述定位板上设有中心通孔，所述套筒配合所述中心通孔垂直连接在所述定位板上，所述压紧套设置在所述套筒内并可沿所述套筒的轴向来回移动。
优选地，所述燃料组件稳固装置还包括连接并驱动所述压紧套沿所述套筒的轴向来回移动的调节组件。
优选地，所述调节组件包括固定在所述压紧套上的底座、第一端连接所述底座的螺杆、与所述螺杆相适配的锁紧螺母；
所述螺杆的第二端穿过所述套筒的封闭端位于所述封闭端外侧，所述锁紧螺母设置在所述套筒的外侧上并套设在所述螺杆上。
优选地，所述调节组件还包括设置在所述锁紧螺母和所述套筒之间的垫圈。
优选地，所述底座内部设有限位腔，所述螺杆的第一端穿进并可转动卡合在所述限位腔内；所述螺杆的第一端端部和所述限位腔的内壁之间设有耐磨垫。
优选地，所述定位板上设有数个在圆周方向上间隔分布的安装孔。
优选地，所述燃料组件稳固装置还包括设置在所述定位板侧边上的把手。
优选地，所述燃料组件稳固装置还包括设置在所述定位板上并套设在所述套筒外围的减震器。
优选地，所述减震器包括固定在所述定位板上的底板、连接在所述底板上并套设在所述套筒外围的环状的侧壁、与所述底板相对并配合在所述侧壁上的顶板；
所述侧壁为具有夹层空间的双层结构，所述夹层空间内设有填充材料。
优选地，所述减震器在所述定位板上的高度大于所述套筒的高度。
 有益效果
本发明的燃料组件稳固装置，用于燃料组件运输容器，对其中燃料组件上控制棒组件进行轴向固定，进而也对整个燃料组件进行轴向固定，能有效降低外界撞击对组件的损害；操作方便，维护简单。
 附图说明
下面将结合附图及实施例对本发明作进一步说明，附图中：
图1是本发明一实施例的燃料组件稳固装置的俯视图；
图2是本发明一实施例的燃料组件稳固装置的剖面结构示意图。
 本发明的实施方式
为了对本发明的技术特征、目的和效果有更加清楚的理解，现对照附图详细说明本发明的具体实施方式。
如图1、2所示，本发明一实施例的燃料组件稳固装置，用于燃料组件运输容器。该燃料组件稳固装置可包括定位板10、设置在定位板10上的套筒20以及设置在套筒20内的压紧套30。
燃料组件运输容器用于装载燃料组件，实现燃料组件的运输、转移等。燃料组件运输容器内设有容腔以放置燃料组件，燃料组件上插配有控制棒组件。定位板10对应燃料组件运输容器的容腔安装在燃料组件运输容器内；套筒20用于套设到控制棒组件的中心筒外；压紧套30用于可分离地配合到中心筒的上端，通过压紧在中心筒上，实现对控制棒组件的轴向约束，进而对燃料组件进行轴向约束。
其中，定位板10上设有中心通孔100，套筒20配合中心通孔100垂直连接在定位板10上，套筒20内部轴向空间用于控制棒组件的中心筒上端容置其中。压紧套30在套筒30内可沿套筒30的轴向来回移动，从而可靠近至压紧到控制棒组件的中心筒上端，或者从中心筒上端脱离，解除对其压紧。
具体地，该燃料组件稳固装置主要通过定位板10在燃料组件运输容器内的固定实现整个装置的固定。对此，定位板10上设有数个在圆周方向上间隔分布的安装孔110，该安装孔110的数量以及排布间隔等根据运输容器内容腔端部处的连接孔或连接柱对应设置，从而通过螺栓锁紧在安装孔110和连接孔（或连接柱）中，实现定位板10在运输容器内的固定。
定位板10的外周形状不限，主要可根据运输容器内空间灵活设置，可以是规则形状，如圆形、多边形等，也可以是不规则形状，如图1所示的具有圆弧边和直形边等的形状。
为了方便整个稳固装置的取放，本发明的燃料组件稳固装置还包括设置在定位板10侧边上的把手50。把手50可根据需要设置一个或以上。
套筒20为一端封闭、一端开放的筒状结构。该套筒20以其开放端配合在定位板10的中心通孔100中，并可通过焊接等方式固定在定位板10上，与定位板10连接为一体。控制棒组件的中心筒上端可从定位板10一侧，通过套筒20的开放端伸进其中。
压紧套30在套筒20内靠近其封闭端，可沿套筒20的轴向来回移动，从而可移动靠近或远离伸进套筒20内的中心筒上端。
对应压紧套30的可移动，本发明的燃料组件稳固装置还包括连接并驱动压紧套30沿套筒20的轴向来回移动的调节组件40。
本实施例中，如图1、2所示，调节组件40包括底座41、相适配的螺杆42和螺母43。
底座41固定在压紧套30上，优选在压紧套30朝向套筒20封闭端的端面上，与压紧套30相对固定。底座41可以独立设置并安装在压紧套30上，也可以是一体形成在压紧套30上。
螺杆42具有相对的第一端和第二端。螺杆42的第一端连接底座41，第二端穿过套筒20的封闭端位于封闭端外侧；该封闭端对应设有供螺杆42穿过的通孔。锁紧螺母43设置在套筒20的外侧上并套设在螺杆42上。旋转螺杆42时，螺杆42转动带动压紧套30在套筒20内轴向移动；锁紧螺母43用于螺杆42旋转后的锁紧。
进一步地，如图2中所示，底座41与螺杆42的第一端活动连接。其中，底座41内部设有限位腔410，螺杆42的第一端穿进并可转动卡合在限位腔410内，这样螺杆42可以相对底座41旋转带动底座41的轴向移动，同时底座41不会随着螺杆42旋转，避免底座41旋转对控制棒组件的中心筒造成磨损。
为了避免螺杆42旋转对底座41内部造成磨损，螺杆42的第一端端部和限位腔410的内壁之间可设置耐磨垫44。
此外，调节组件40还包括设置在锁紧螺母43和套筒20之间的垫圈45，增强锁紧螺母43对螺杆42的锁紧强度以及减少套筒20封闭端外侧面的磨损。
进一步地，本发明的燃料组件稳固装置还包括设置在定位板10上并套设在套筒20外围的减震器60。
优选地，减震器60在定位板10上的高度大于套筒20在定位板10上的高度，使得套筒20整体可位于减震器60内侧，进一步使套筒20及调节组件40均位于减震器60内部，使得减震效果更好。
减震器60可包括相对设置的底板61和顶板63、连接在底板61和顶板63之间的侧壁62。侧壁62为具有夹层空间的双层结构，夹层空间内设有填充材料64，用于吸收冲击能量。
本实施例中，底板61可通过螺栓锁固或焊接等方式固定在定位板10上，呈环状位于套筒20的外围，底板61的内周面可与套筒20的外侧面相接。侧壁62呈环状连接在底板61上并套设在套筒20的外围，顶板63对应也呈环状配合在侧壁62上。
侧壁62进一步可包括环形内壁621、套设在环形内壁621外的环形外壁622，该环形内壁621和环形外壁622之间的空间形成夹层空间。底板61和顶板63在侧壁62的两端将夹层空间封闭形成一个密闭空间，填充材料64填充在该密闭空间内。
填充材料64选择具有良好的吸收冲击能量效果的材料，优选容重较小的轻木。
本发明的燃料组件稳固装置使用时，安装在燃料组件运输容器内。在将燃料组件水平放置到燃料组件运输容器后，将燃料组件顶部的控制棒组件的中心筒上端插进稳固装置中套筒20内，操作调节组件40移动压紧套30使其压紧在中心筒的上端形成相对固定，对控制棒组件进行轴向固定（轴向约束），进而对燃料组件整体进行轴向固定，避免其在运输容器内发生窜动等造成损坏等等。
以上所述仅为本发明的实施例，并非因此限制本发明的专利范围，凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本发明的专利保护范围内。

Claims (10)

  1. 一种燃料组件稳固装置，用于燃料组件运输容器，所述燃料组件运输容器内设有容腔以放置燃料组件，燃料组件上插配有控制棒组件；其特征在于，所述稳固装置包括与所述容腔对应的定位板、用于套设到控制棒组件的中心筒外的套筒、用于可分离地配合到所述中心筒上端的压紧套；
    所述定位板上设有中心通孔，所述套筒配合所述中心通孔垂直连接在所述定位板上，所述压紧套设置在所述套筒内并可沿所述套筒的轴向来回移动。
  2. 根据权利要求1所述的燃料组件稳固装置，其特征在于，所述燃料组件稳固装置还包括连接并驱动所述压紧套沿所述套筒的轴向来回移动的调节组件。
  3. 根据权利要求2所述的燃料组件稳固装置，其特征在于，所述调节组件包括固定在所述压紧套上的底座、第一端连接所述底座的螺杆、与所述螺杆相适配的锁紧螺母；
    所述螺杆的第二端穿过所述套筒的封闭端位于所述封闭端外侧，所述锁紧螺母设置在所述套筒的外侧上并套设在所述螺杆上。
  4. 根据权利要求3所述的燃料组件稳固装置，其特征在于，所述调节组件还包括设置在所述锁紧螺母和所述套筒之间的垫圈。
  5. 根据权利要求3所述的燃料组件稳固装置，其特征在于，所述底座内部设有限位腔，所述螺杆的第一端穿进并可转动卡合在所述限位腔内；所述螺杆的第一端端部和所述限位腔的内壁之间设有耐磨垫。
  6. 根据权利要求1所述的燃料组件稳固装置，其特征在于，所述定位板上设有数个在圆周方向上间隔分布的安装孔。
  7. 根据权利要求1所述的燃料组件稳固装置，其特征在于，所述燃料组件稳固装置还包括设置在所述定位板侧边上的把手。
  8. 根据权利要求1-7任一项所述的燃料组件稳固装置，其特征在于，所述燃料组件稳固装置还包括设置在所述定位板上并套设在所述套筒外围的减震器。
  9. 根据权利要求8所述的燃料组件稳固装置，其特征在于，所述减震器包括固定在所述定位板上的底板、连接在所述底板上并套设在所述套筒外围的环状的侧壁、与所述底板相对并配合在所述侧壁上的顶板；
    所述侧壁为具有夹层空间的双层结构，所述夹层空间内设有填充材料。
  10. 根据权利要求8所述的燃料组件稳固装置，其特征在于，所述减震器在所述定位板上的高度大于所述套筒的高度。
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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930650A (en) * 1989-04-17 1990-06-05 Nuclear Assurance Corporation Spent nuclear fuel shipping basket
JP2013156027A (ja) * 2012-01-26 2013-08-15 Nuclear Fuel Ind Ltd 燃料ホルダ、燃料ホルダの使用方法、及び燃料集合体の輸送方法
CN203503312U (zh) * 2013-09-12 2014-03-26 中国核电工程有限公司 核燃料组件运输容器
CN105161153A (zh) * 2015-08-06 2015-12-16 中国核电工程有限公司 一种核燃料元件转运装置
CN209216593U (zh) * 2017-12-19 2019-08-06 中国原子能科学研究院 一种采用弹簧限定芯块轴向窜动的环形燃料棒
CN110494927A (zh) * 2017-03-08 2019-11-22 埃奎普核反应股份有限公司 用于运输乏核燃料的容器的冲击限制器
CN110634583A (zh) * 2019-09-25 2019-12-31 中国核动力研究设计院 单根乏燃料棒转运容器及其使用方法

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930650A (en) * 1989-04-17 1990-06-05 Nuclear Assurance Corporation Spent nuclear fuel shipping basket
JP2013156027A (ja) * 2012-01-26 2013-08-15 Nuclear Fuel Ind Ltd 燃料ホルダ、燃料ホルダの使用方法、及び燃料集合体の輸送方法
CN203503312U (zh) * 2013-09-12 2014-03-26 中国核电工程有限公司 核燃料组件运输容器
CN105161153A (zh) * 2015-08-06 2015-12-16 中国核电工程有限公司 一种核燃料元件转运装置
CN110494927A (zh) * 2017-03-08 2019-11-22 埃奎普核反应股份有限公司 用于运输乏核燃料的容器的冲击限制器
CN209216593U (zh) * 2017-12-19 2019-08-06 中国原子能科学研究院 一种采用弹簧限定芯块轴向窜动的环形燃料棒
CN110634583A (zh) * 2019-09-25 2019-12-31 中国核动力研究设计院 单根乏燃料棒转运容器及其使用方法

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