CN113316548B - Transportation fixing method and system for fuel assembly transportation container - Google Patents

Transportation fixing method and system for fuel assembly transportation container Download PDF

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Publication number
CN113316548B
CN113316548B CN202080009308.6A CN202080009308A CN113316548B CN 113316548 B CN113316548 B CN 113316548B CN 202080009308 A CN202080009308 A CN 202080009308A CN 113316548 B CN113316548 B CN 113316548B
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China
Prior art keywords
fuel assembly
transportation
container
positioning
containers
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CN202080009308.6A
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Chinese (zh)
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CN113316548A (en
Inventor
李其朋
殷勇
朱贺
许骏翔
周有新
廉志坤
吴涛
彭云杰
蔡进
吴腾
王弟东
刘浩仑
张春艳
杨梦珂
张持
王超
吴维亮
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Cgnpc Uranium Resources Co ltd
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
Original Assignee
Cgnpc Uranium Resources Co ltd
China General Nuclear Power Corp
China Nuclear Power Technology Research Institute Co Ltd
CGN Power Co Ltd
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Publication of CN113316548A publication Critical patent/CN113316548A/en
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Publication of CN113316548B publication Critical patent/CN113316548B/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D88/00—Large containers
    • B65D88/02—Large containers rigid
    • B65D88/12—Large containers rigid specially adapted for transport
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60P—VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS
    • B60P7/00—Securing or covering of load on vehicles
    • B60P7/06—Securing of load
    • B60P7/08—Securing to the vehicle floor or sides
    • B60P7/10—Securing to the vehicle floor or sides the load being plates, cases, or boxes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D25/00—Details of other kinds or types of rigid or semi-rigid containers
    • B65D25/20—External fittings
    • B65D25/24—External fittings for spacing bases of containers from supporting surfaces, e.g. legs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D90/00—Component parts, details or accessories for large containers
    • B65D90/004—Contents retaining means
    • B65D90/006—Contents retaining means fixed on the floor of the container
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2585/00—Containers, packaging elements or packages specially adapted for particular articles or materials
    • B65D2585/68—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form
    • B65D2585/86—Containers, packaging elements or packages specially adapted for particular articles or materials for machines, engines, or vehicles in assembled or dismantled form for electrical components
    • B65D2585/88—Batteries

Abstract

A transportation fixing method and a transportation fixing system for a fuel assembly transportation container are provided, wherein the transportation fixing method comprises the following steps: s1, two positioning structural parts (30) are parallelly placed at intervals and fixed in a bottom plate of a transport case (10); at least one side edge of each positioning structural part (30) is provided with a positioning clamping groove (31); s2, stacking a plurality of fuel assembly transport containers (20) on the positioning structural members (30) in at most two layers, and clamping the grounding feet (21) at two ends of the bottom of the fuel assembly transport container (20) at the lower layer in the positioning clamping grooves (31) of the two positioning structural members (30) respectively; pin grooves on the grounding feet (21) at two ends of the bottom of the upper fuel assembly transportation container (20) are respectively matched with positioning pins (22) at two ends of the top of the lower fuel assembly transportation container (20); s3, using the binding belt (50) to pass around the top of the fuel assembly transportation container (20) on the upper layer and tightly binding the fuel assembly transportation container on the transportation box (10). The strength and the reliability are high, and the transportation efficiency can be well improved; the space used by the transport container (20) is reduced, and the efficiency of the transport container (20) in transporting fuel assemblies is improved.

Description

Transportation fixing method and system for fuel assembly transportation container
Technical Field
The invention relates to the technical field of fuel assembly transportation, in particular to a transportation and fixing method and a transportation and fixing system for a fuel assembly transportation container.
Background
The transportation of fuel assemblies is typically carried out using specialized fuel assembly shipping containers to effect shipping transfers thereof, and the like. When in transportation, the fuel assembly transportation container is flatly paved in a carriage (or a container) in a single layer, and the single-layer paving mode occupies large space and has long loading and unloading time, so that the existing transportation mode adopts multilayer stacking arrangement for improving the space utilization rate and reducing the loading and unloading time.
Patent CN201310714469.7 discloses a fixing and tying method suitable for fuel assembly transportation, which is characterized in that a plurality of containers are stacked in a container in multiple layers, the containers adjacent to each other at the upper part and the lower part are fixed by bolts, a damping block needs to be arranged between the containers adjacent to each other at the left part and the right part in the same layer, and finally, the containers are bound and fixed in the container at the upper part, the lower part, the left part, the right part, the front part and the rear part by a plurality of strong belts. However, the existing methods have many binding action points and are complex, and a plurality of strong belts are needed to fix the container when the container is bound, so that the operation time is increased, the possibility of misoperation is increased, and the transportation efficiency is reduced. In addition, two adjacent containers pass through the bolt fastening from top to bottom, and unstable appears becoming flexible easily, has the potential safety hazard.
Disclosure of Invention
The invention aims to provide a transportation and fixing method of a fuel assembly transportation container and a transportation and fixing system of the fuel assembly transportation container, which are safe and reliable and improve the transportation efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: the transportation and fixation method of the fuel assembly transportation container is provided, the two ends of the bottom of the fuel assembly transportation container are respectively provided with a ground contact foot, and the two ends of the top of the fuel assembly transportation container are respectively provided with a positioning pin matched with a pin groove on the ground contact foot; the transportation and fixation method comprises the following steps:
s1, placing and fixing two positioning structural parts in parallel at intervals in a bottom plate of a transport case;
at least one side edge of each positioning structural member is provided with a positioning clamping groove matched with the grounding foot at the bottom of the fuel assembly transportation container;
s2, stacking a plurality of fuel assembly transport containers on the positioning structural member in at most two layers;
the grounding feet at two ends of the bottom of the fuel assembly transportation container positioned at the lower layer are respectively clamped in the positioning clamping grooves of the two positioning structural members;
pin grooves on the grounding feet at two ends of the bottom of the upper fuel assembly transport container are respectively matched with positioning pins at two ends of the top of the lower fuel assembly transport container to position and restrain the upper fuel assembly transport container;
and S3, winding the top of the upper fuel assembly transport container by using at least one group of straps and tightening and binding the fuel assembly transport container on the transport box.
Preferably, the transport case is a container or a compartment of a transport vehicle.
Preferably, step S2 further comprises: and a limiting buffer device is arranged between two adjacent fuel assembly transportation container groups on the same layer for buffering and limiting.
Preferably, one side edge of the positioning structure member is provided with a central positioning clamping groove, and the other opposite side edge is provided with two adjacent positioning clamping grooves at intervals.
Preferably, the positioning clamping groove is formed between two convex columns arranged on the side edge.
Preferably, in step S1, the two positioning structural members are placed and fixed in the bottom plate of the transportation box with the side having one positioning slot being opposite to each other;
the step S2 comprises the following steps:
s2.1, transversely placing a fuel assembly transport container in the middle on the two positioning structural members to serve as a lower-layer fuel assembly transport container, wherein the grounding feet at two ends of the bottom of the lower-layer fuel assembly transport container are respectively clamped in the positioning clamping grooves of the two positioning structural members;
and S2.2, another fuel assembly transport container is placed on the lower layer fuel assembly transport container in an aligned mode, and pin grooves in the grounding feet at the two ends of the bottom of the fuel assembly transport container are respectively matched with positioning pins at the two ends of the top of the lower layer fuel assembly transport container.
Preferably, in step S1, the two positioning structure members are placed and fixed in the bottom plate of the transportation box with the side having the two positioning slots being opposite to each other;
the step S2 comprises the following steps:
s2.1, transversely placing two fuel assembly transport containers side by side on the two positioning structural members to serve as a lower-layer fuel assembly transport container group, wherein the grounding feet at two ends of the bottom of each fuel assembly transport container are respectively clamped in the positioning clamping grooves of the two positioning structural members;
s2.2, installing a limiting buffer device between two fuel assembly transportation containers in the lower fuel assembly transportation container group for buffering and limiting;
s2.3, sequentially aligning and placing the other two fuel assembly transportation containers on the two fuel assembly transportation containers of the lower fuel assembly transportation container group to serve as an upper fuel assembly transportation container group;
the pin grooves on the grounding feet at the bottoms of the two fuel assembly transport containers in the upper fuel assembly transport container group are respectively matched with the positioning pins at the tops of the two fuel assembly transport containers in the lower fuel assembly transport container group;
and S2.4, installing a limiting buffer device between the two fuel assembly transportation containers in the upper fuel assembly transportation container group for buffering and limiting.
Preferably, the limiting buffer device comprises two connecting plates which are oppositely arranged and a locking assembly which is arranged on the two connecting plates in a penetrating way for locking; through holes corresponding to the fasteners on the flange plate on the side surface of the fuel assembly transportation container are respectively arranged on the two connecting plates;
in the steps S2.2 and S2.4, when the limiting buffer device is installed, the two connecting plates are respectively placed above and below the flange plates on the side surfaces of the two adjacent fuel assembly transportation containers, the upper ends and the lower ends of the fastening pieces on the flange plates are respectively sleeved with the through holes on the two connecting plates, the locking assemblies are arranged on the two connecting plates in a penetrating and locking mode, and the two adjacent fuel assembly transportation containers are relatively and fixedly connected.
The invention also provides a transportation fixing system of the fuel assembly transportation container, which comprises two positioning structural members which are arranged in parallel at intervals and are fixed in the bottom plate of the transportation box, a plurality of fuel assembly transportation containers which are stacked on the positioning structural members in at most two layers, and at least one group of binding bands which pass through the top of the fuel assembly transportation container on the upper layer and are tightly bound on the transportation box;
the two ends of the bottom of the fuel assembly transportation container are respectively provided with a grounding foot, and the two ends of the top of the fuel assembly transportation container are respectively provided with a positioning pin matched with a pin groove on the grounding foot; at least one side edge of each positioning structural member is provided with a positioning clamping groove matched with the grounding foot;
the grounding feet at two ends of the bottom of the fuel assembly transportation container positioned at the lower layer are respectively clamped in the positioning clamping grooves of the two positioning structural members; the pin grooves on the grounding feet at the two ends of the bottom of the upper fuel assembly transport container are respectively matched with the positioning pins at the two ends of the top of the lower fuel assembly transport container to position and restrain the upper fuel assembly transport container.
Preferably, the transportation fixing system further comprises a limiting and buffering device connected between two adjacent fuel assembly transportation containers on the same layer, and the limiting and buffering device is used for buffering and limiting the two adjacent fuel assembly transportation containers.
Preferably, the limiting buffer device comprises two connecting plates which are oppositely arranged and a locking assembly which is arranged on the two connecting plates in a penetrating way for locking;
through holes corresponding to the fasteners on the flange plates on the side surfaces of the fuel assembly transportation container are respectively arranged on the two connecting plates;
the locking assembly comprises a connecting rod and a locking piece matched on the connecting rod.
The invention has the beneficial effects that: the strength and the reliability are high, and the transportation efficiency can be well improved; the space used by the transport container is reduced, and the efficiency of transporting the fuel assembly by the transport container is improved; the fixing of the transport container in the transport box is realized by clamping the positioning structural part with the bottom of the transport container of the fuel assembly, and the further binding and constraint of the binding bands are matched, so that the loading and unloading operation of the transport container is simplified, the safety performance is enhanced, and the functionality of the transport container is ensured; manpower cost and equipment maintenance cost have been reduced through the adjustment to the fixed mode of transport container.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
FIG. 1 is a schematic structural view of a shipping fixture system formed by a shipping fixture method of a fuel assembly shipping container according to an embodiment of the present invention;
FIG. 2 is a top plan view of the locating structure of the structure of FIG. 1 engaged with a fuel assembly shipping container (shown in phantom) within a shipping box;
FIG. 3 is a schematic view of the positioning structure of FIG. 2;
FIG. 4 is a side view of the structure shown in FIG. 1;
FIG. 5 is an enlarged schematic view of the structure of portion A of FIG. 4;
fig. 6 is a plan view of a shipping fixture system formed by a shipping fixture method for a fuel assembly shipping container according to another embodiment of the present invention, in which a locating structure is fitted to the fuel assembly shipping container in a shipping box.
Detailed Description
For a more clear understanding of the technical features, objects and effects of the present invention, embodiments of the present invention will now be described in detail with reference to the accompanying drawings.
The transportation and fixation method of the fuel assembly transportation container and the transportation and fixation system of the fuel assembly transportation container realize the fixation of the fuel assembly transportation container in the transportation box for transportation.
The transport case can be a container, and can also be a carriage of various transport vehicles.
As shown in fig. 1 to 4, a transportation fixing method of a fuel assembly transportation container according to an embodiment of the present invention may include the steps of:
s1, two positioning structural members 30 are arranged in parallel at intervals and fixed in a bottom plate of the transport case 10.
The positioning structure 30 may be formed by welding a plurality of plates, and the whole positioning structure is in a long strip shape, and the cross section may be in a polygon shape such as a rectangle. The two positioning structure members 30 are respectively arranged in the transportation box 10 at a long edge relative interval, and detachably fixed on the bottom plate of the transportation box 10 through a bolt assembly.
As shown in fig. 2 and 3, at least one side of each positioning structure 30 is provided with a positioning slot 31, which can be matched with the ground-contacting foot at the bottom of the fuel assembly transportation container 20 to realize the clamping and fixing of the fuel assembly transportation container on the positioning structure 30.
Preferably, the two opposite sides of the positioning structure 30 are respectively provided with a positioning slot 31. Wherein, one side of location structure 30 is equipped with a locating slot 31 in the middle, and opposite side is equipped with two adjacent locating slots 31 in interval to can be as required on it the fixed one of block or two fuel assembly transportation containers side by side. The positioning slot 31 on each side is formed between two protruding columns 32 arranged on the side.
Referring to fig. 1, 2 and 4, a fuel assembly shipping container 20 suitable for use in the present invention is provided with ground contacting feet 21 at both ends of the bottom of the fuel assembly shipping container 20, and pin grooves (not shown) are provided in the ground contacting feet 21. The top ends of the fuel assembly transporting container 20 are respectively provided with a positioning pin 22 matched with the pin slot on the grounding foot 21. Specifically, the ground contact foot 21 at each end of the bottom of the fuel assembly transport container 20 is formed by two strip-shaped legs which are convexly arranged and are parallel at intervals; the pin slot is a through hole arranged on the strip-shaped supporting leg. The alignment pins 22 at each end of the top of the fuel assembly shipping container 20 are formed on the hang-off box.
In this embodiment, the two positioning structures 30 are placed and fixed in the bottom plate of the transportation box 10 with the sides having the two positioning slots 31 being opposite to each other. The distance between the two locating features 30 is dependent on the distance of the ground contacting feet 21 at the bottom ends of the fuel assembly shipping container 20.
And S2, stacking the fuel assembly transportation containers 20 on the positioning structural member 30 in at most two layers.
Each level includes one or two side-by-side fuel assembly shipping containers 20.
The grounding feet 21 at the two ends of the bottom of the fuel assembly transportation container 20 at the lower layer are respectively clamped in the positioning clamping grooves 31 of the two positioning structural members 30. The pin grooves on the ground contacting feet 21 at the two ends of the bottom of the upper fuel assembly transport container 20 are respectively matched with the positioning pins 22 at the two ends of the top of the lower fuel assembly transport container 20, namely the positioning pins 22 penetrate into the pin grooves to position and restrain the upper fuel assembly transport container 20.
Specifically, the step S2 may include the steps of:
and S2.1, transversely placing the two fuel assembly transport containers 20 on the two positioning structural members 30 side by side to form a lower fuel assembly transport container group, wherein the grounding feet 21 at the two ends of the bottom of each fuel assembly transport container 20 are respectively clamped in the positioning clamping grooves 31 of the two positioning structural members 30, as shown in figures 2 and 4.
The two ends of each fuel assembly transport container 20 span over the two positioning structures 30, and the grounding feet 21 at the two ends of the bottom of the fuel assembly transport container 20 are respectively located on the opposite sides of the two positioning structures 30 and respectively correspond to the positioning slots 31 on the back side of each positioning structure 30.
The fuel assembly transportation container 20 is clamped into the positioning clamping groove 31 through the grounding foot 31, and each strip-shaped supporting leg forming the grounding foot 31 is abutted against the convex column 32 on one side of the corresponding positioning clamping groove 31, so that the fuel assembly transportation container is fixed on the positioning structural member 30.
Two fuel assembly transportation containers 20 are adjacently placed and are respectively fixed on the positioning structural member 30 through the clamping of the grounding feet 31 and the positioning clamping grooves 31.
And S2.2, installing a limiting buffer device 40 between two fuel assembly transport containers 20 in the lower fuel assembly transport container group for buffering and limiting, limiting the trend that the fuel assembly transport containers 20 get close to the middle, and playing a role in protecting the fuel assembly transport containers 20.
As shown in fig. 4 and 5, the limiting and buffering device 40 includes two opposite connecting plates 41, and a locking assembly 42 passing through the two connecting plates 41 for locking. The two connecting plates 41 are provided with through holes (not shown) corresponding to fasteners on the flange plates 23 on the side of the fuel pack transport container 20, respectively.
Two adjacent fuel assembly transport containers 20 in the same layer are respectively close to each other by a flange plate 23 on the side, and a plurality of fasteners 24 arranged at intervals are arranged on the flange plate 23 to lock the upper and lower shells of the fuel assembly transport containers 20 together.
When the spacing buffer 40 of installation, place two connecting plates 41 respectively in the top and the below of the flange board 23 of two adjacent fuel assembly transportation containers 20 sides, the through-hole on two connecting plates 41 overlaps respectively establishes the upper end and the lower extreme of fastener 24 on the flange board 23, promptly: a connecting plate 41 is placed above the flange plates 23 on the side surfaces of the adjacent two fuel assembly transport containers 20, and through holes at both ends of the connecting plate 41 are respectively fitted to the upper ends of the fastening pieces 24 on the flange plates 23 of the two fuel assembly transport containers 20; another connecting plate 41 is placed below the flange plates 23 on the side surfaces of the adjacent two fuel assembly transporting containers 20, and through holes at both ends of the connecting plate 41 are respectively fitted to the lower ends of the fastening pieces 24 on the flange plates 23 of the two fuel assembly transporting containers 20.
The locking assembly 42 is inserted and locked on the two connecting plates 41, and the two connecting plates 41 are relatively fixed, so that the two adjacent fuel assembly transportation containers 20 are relatively fixedly connected.
The locking assembly 42 may include a connecting rod 421 and a locking member 422 fitted on the connecting rod 421. The connecting rods 421 may be screws that are threaded onto the two connecting plates 41 from top to bottom or from bottom to top in the space between the two fuel assembly transport containers 20. The locking member 422 may be a nut or a bolt head, etc., which is threadedly engaged with the connection rod 421 to lock the connection plate 41 and the connection rod 421.
And S2.3, sequentially aligning and placing the other two fuel assembly transportation containers 20 on the two fuel assembly transportation containers 20 of the lower fuel assembly transportation container group to serve as the upper fuel assembly transportation container group.
The pin grooves on the ground-contacting feet 21 of the bottoms of the two fuel assembly transport containers 20 in the upper fuel assembly transport container group are respectively matched with the positioning pins 22 on the tops of the two fuel assembly transport containers 20 in the lower fuel assembly transport container group to position and restrain the upper fuel assembly transport container group, as shown in fig. 1 and 4.
And S2.4, installing a limiting buffer device 40 between the two fuel assembly transport containers 20 in the upper fuel assembly transport container group for buffering and limiting.
The limiting buffer device 40 has the same structure as the limiting buffer device 40 in the lower fuel assembly transportation container group, and the installation mode is also the same as that in the lower layer, which is not described again.
Through the installation between two fuel assembly transport containers 20 in upper fuel assembly transport container group through spacing buffer 40, with two adjacent fuel assembly transport containers 20 relatively fixed connection, the trend that fuel assembly transport container 20 closed to the centre is drawn close to the restriction, plays the effect of protection to fuel assembly transport container 20.
And S3, winding the top of the upper fuel assembly shipping container 20 around by using at least one set of straps 50 and tightening and binding the straps on the shipping box 10 to prevent the fuel assembly shipping container 20 from moving up and down, thereby completing the loading and fixing of the fuel assembly shipping container 20 before shipping.
Specifically, the straps 50 are vertically positioned along the top of the fuel assembly shipping container 20 to hang the box and are tied together to secure the fuel assembly shipping container 20 within the shipping container 10, such as a shipping container.
Preferably, two sets of straps 50 are used to pass around the hanging boxes at both ends of the top of the upper fuel assembly shipping container 20 and to be tightly bound to the shipping box 10, respectively, so that both axial ends of the fuel assembly shipping container 20 are bound and restrained. Strap 50 may be a nylon strap.
Referring to fig. 1 to 5, the transportation fixing method of the fuel module shipping container of the present embodiment realizes double-layered stacking fixing of four fuel module shipping containers 20 in a shipping box 10. The bottom of the fuel assembly transportation container 20 is fixed and limited through a positioning structural member 30, so that the fuel assembly transportation container is prevented from moving left and right or front and back in the transportation box 10; the middle of the two fuel assembly transport containers 20 on the same plane (same layer) is provided with a limiting buffer device 40 to limit the trend that the fuel assembly transport containers 20 get close to the middle, and the fuel assembly transport containers 20 are protected. The whole body has higher stable strength and reliability, and the transportation efficiency can be well improved.
As shown in fig. 6, a transportation fixing method of a fuel assembly transportation container according to another embodiment of the present invention may include the steps of:
s1, two positioning structural members 30 are arranged in parallel at intervals and fixed in a bottom plate of the transport case 10.
The two positioning structure members 30 are respectively arranged in the transportation box 10 at a long edge relative interval, and detachably fixed on the bottom plate of the transportation box 10 through a bolt assembly.
In this embodiment, two positioning structures 30 are placed and fixed in the bottom plate of the transportation box 10 with the sides having one positioning slot 31 facing away from each other. The distance between the two locating features 30 is dependent on the distance of the ground contacting feet 21 at the bottom ends of the fuel assembly shipping container 20.
And S2, stacking a plurality of fuel assembly transport containers 20 on the positioning structural member 30 in at most two layers, wherein each layer comprises one fuel assembly transport container 20.
The ground contacting feet 21 at the two ends of the bottom of the fuel assembly transportation container 20 at the lower layer are respectively clamped in the positioning clamping grooves 31 of the two positioning structural members 30. The pin grooves on the ground contacting feet 21 at the two ends of the bottom of the upper fuel assembly transport container 20 are respectively matched with the positioning pins 22 at the two ends of the top of the lower fuel assembly transport container 20, namely the positioning pins 22 penetrate into the pin grooves to position and restrain the upper fuel assembly transport container 20.
Specifically, the step S2 may include the steps of:
and S2.1, transversely placing a fuel assembly transport container 20 on the two positioning structural members 30 in the middle to serve as a lower-layer fuel assembly transport container 20, and clamping the grounding feet 21 at the two ends of the bottom of the lower-layer fuel assembly transport container 20 in the positioning clamping grooves 31 of the two positioning structural members 30 respectively.
S2.2, another fuel assembly shipping container 20 is placed on the lower fuel assembly shipping container 20 in alignment, and the pin grooves on the ground contacting feet 21 at the two ends of the bottom of the fuel assembly shipping container 20 are respectively matched with the positioning pins 22 at the two ends of the top of the lower fuel assembly shipping container 20, as can be seen in fig. 4.
The upper fuel assembly shipping container 20 is fastened to the lower fuel assembly shipping container 20 in the same manner as the upper and lower fuel assembly shipping containers in the embodiment shown in fig. 1-5.
And S3, winding the top of the upper fuel assembly transport container 20 by using at least one group of binding bands 50 and tightly binding the binding bands on the transport box 10 to prevent the fuel assembly transport container 20 from moving up and down, thereby completing the loading and fixing of the fuel assembly transport container 20 before transportation, which can refer to the binding mode of the binding bands 50 on the fuel assembly transport container 20 shown in FIGS. 1 and 4.
The shipping securement system of the fuel assembly shipping container may be formed by the shipping securement method of the present invention. Referring to fig. 1 to 4, the fuel assembly shipping container shipping fixing system according to an embodiment of the present invention includes two positioning structures 30 spaced apart and placed in parallel and fixed in the bottom plate of the shipping box 10, a plurality of fuel assembly shipping containers 20 stacked on the positioning structures 30 in at most two layers, and at least one set of straps 50 passing over the top of the upper fuel assembly shipping container 20 and fastened to the shipping box 10. Each tier of fuel assembly shipping containers includes one or two side-by-side fuel assembly shipping containers 20.
Two ends of the bottom of each fuel assembly transportation container 20 are respectively provided with a ground contact foot 21, and a pin slot is arranged on the ground contact foot 21; the top ends of the fuel assembly transporting container 20 are respectively provided with a positioning pin 22 matched with the pin slot on the grounding foot 21. Specifically, the grounding foot 21 at each end of the bottom of the fuel assembly transportation container 20 is formed by two strip-shaped support legs which are convexly arranged and are parallel at intervals, and the pin slot is a through hole arranged on each strip-shaped support leg; the alignment pins 22 at each end of the top of the fuel assembly shipping container 20 are formed on the hang-off box.
The positioning structure 30 may be formed by welding a plurality of plates, and the whole positioning structure is in a long strip shape, and the cross section may be in a polygon shape such as a rectangle. The two positioning structural members 30 are respectively arranged in the transportation box 10 at a long edge relative interval, and are detachably fixed on the bottom plate of the transportation box 10 through bolt assemblies.
As shown in fig. 2 and 3, at least one side of each positioning structure 30 is provided with a positioning slot 31, which can be matched with the ground-contacting foot at the bottom of the fuel assembly transportation container 20 to realize the clamping and fixing of the fuel assembly transportation container on the positioning structure 30. Preferably, the two opposite sides of the positioning structure 30 are respectively provided with a positioning slot 31. Wherein, one side of location structure 30 is equipped with a locating slot 31 in the middle, and opposite side is equipped with two adjacent locating slots 31 in interval to can be as required on it the fixed one of block or two fuel assembly transportation containers side by side. The positioning locking slot 31 on each side edge is formed between two convex columns 32 arranged on the side edge.
In this embodiment, the two positioning structures 30 are placed and fixed in the bottom plate of the transportation box 10 with the sides having the two positioning slots 31 being opposite to each other. The distance between the two locating features 30 is dependent on the distance of the ground contacting feet 21 at the bottom ends of the fuel assembly shipping container 20.
The shipping fixture system of the present embodiment includes four fuel assembly shipping containers 20. Two fuel assembly transport containers 20 are fixed on two positioning structural members 30 to form a lower fuel assembly transport container group; the other two fuel assembly transport containers 20 are aligned and snap-fitted to the two fuel assembly transport containers 20 of the lower fuel assembly transport container group, respectively. The grounding feet 21 at the two ends of the bottom of the fuel assembly transportation container 20 at the lower layer are respectively clamped in the positioning clamping grooves 31 of the two positioning structural members 30. The upper pin grooves of the grounding feet 21 at the two ends of the bottom of the upper fuel assembly transportation container 20 are respectively matched with the positioning pins 22 at the two ends of the top of the lower fuel assembly transportation container 20 to position and restrain the upper fuel assembly transportation container 20.
Further, the transportation fixing system of the embodiment further comprises a limiting buffer device 40 connected between two adjacent fuel assembly transportation containers 20 on the same layer, and used for buffering and limiting the two adjacent fuel assembly transportation containers 20. The two fuel assembly transport containers 20 on the lower layer and the two fuel assembly transport containers 20 on the lower layer are respectively provided with a limiting buffer device 40 for buffering and limiting, so that the trend that the fuel assembly transport containers 20 get close to the middle is limited, and the fuel assembly transport containers 20 are protected.
As shown in fig. 4 and 5, the limiting and buffering device 40 includes two opposite connecting plates 41, and a locking assembly 42 passing through the two connecting plates 41 for locking. The two connecting plates 41 are provided with through holes (not shown) corresponding to fasteners on the flange plates 23 on the side of the fuel pack transport container 20, respectively.
Between two adjacent fuel assembly transport containers 20 in the same layer, two connecting plates 41 are respectively disposed above and below the flange plates 23 on the side surfaces of the two adjacent fuel assembly transport containers 20, and through holes of the two connecting plates 41 are respectively fitted to the upper and lower ends of the fastening pieces 24 on the flange plates 23. The locking assembly 42 is inserted and locked on the two connecting plates 41 to fix the two connecting plates 41 relatively, thereby fixedly connecting the two adjacent fuel assembly transporting containers 20 relatively.
The locking assembly 42 may include a connecting rod 421 and a locking member 422 fitted on the connecting rod 421. The connecting rods 421 may be screws that are threaded onto the two connecting plates 41 from top to bottom or from bottom to top in the space between the two fuel assembly transport containers 20. The locking member 422 may be a nut or a bolt head, etc., which is threadedly engaged with the connection rod 421 to lock the connection plate 41 and the connection rod 421.
At least one set of straps 50 is passed around the top of the upper fuel assembly shipping container 20 and is tightly strapped to the shipping box 10 to prevent the fuel assembly shipping container 20 from moving up and down, thereby completing the loading and securing of the fuel assembly shipping container 20 prior to shipping.
Preferably, two sets of straps 50 are used to pass around the hanging boxes at both ends of the top of the fuel assembly transport container 20 of the upper layer and to be tightly bound to the transport box 10, respectively, so that both axial ends of the fuel assembly transport container 20 are bound. Strap 50 may be a nylon strap.
The shipping fixing system of the fuel assembly shipping container of the present embodiment realizes double-layered stacking fixing of four fuel assembly shipping containers 20 in the shipping box 10.
In other embodiments of the shipping fixture system for fuel assembly shipping containers, the upper and lower decks may each include a single fuel assembly shipping container 20. Referring to fig. 6, two positioning structures 30 are placed and fixed in the bottom plate of the transportation box 10 with the sides having one positioning slot 31 facing away from each other. A fuel assembly transport container 20 is placed on two positioning structural members 30, the grounding feet 21 at two ends of the bottom are respectively clamped with the positioning clamping grooves 31 at the opposite sides of the two positioning structural members 30, so that the fuel assembly transport container 20 is clamped and fixed on the positioning structural members 30 and serves as a lower-layer fuel assembly transport container. Another fuel assembly transport container 20 is placed on the lower fuel assembly transport container 20, and pin grooves on the ground-contacting feet 21 at both ends of the bottom of the upper fuel assembly transport container 20 are respectively matched with positioning pins 22 at both ends of the top of the lower fuel assembly transport container 20 to position and restrain the upper fuel assembly transport container 20.
The transportation fixing system of the fuel assembly transportation container of the present invention realizes double-layer stacking fixing of the fuel assembly transportation container 20 in the transportation box 10. The bottom of the fuel assembly transporting container 20 is fixed and limited by the positioning structure 30, and is prevented from moving left and right or back and forth inside the transporting box 10. For a plurality of fuel assembly transport containers 20 arranged side by side on the same layer, the trend that the fuel assembly transport containers 20 get close to the middle is limited by installing a limiting buffer device 40 in the middle of the two fuel assembly transport containers 20 on the same plane (the same layer), and the fuel assembly transport containers 20 are protected. The whole body has higher stable strength and reliability, and the transportation efficiency can be well improved.
The above description is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes performed by the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims (11)

1. A transportation and fixation method of a fuel assembly transportation container is characterized in that two ends of the bottom of the fuel assembly transportation container are respectively provided with a ground contact foot, and two ends of the top of the fuel assembly transportation container are respectively provided with a positioning pin matched with a pin groove on the ground contact foot; the transportation and fixing method is characterized by comprising the following steps:
s1, placing two positioning structural members in parallel at intervals along the length direction of a fuel assembly transport container and fixing the two positioning structural members in a bottom plate of a transport box;
at least one side edge of each positioning structural member is provided with a positioning clamping groove matched with the grounding foot at the bottom of the fuel assembly transportation container; the distance between the two positioning structural members is determined by the distance of the ground contact feet at the two ends of the bottom of the fuel assembly transportation container;
s2, stacking a plurality of fuel assembly transport containers on the positioning structural member in at most two layers;
the grounding feet at two ends of the bottom of the fuel assembly transportation container positioned at the lower layer are respectively clamped in the positioning clamping grooves of the two positioning structural members; a positioning clamping groove on each side edge of the positioning structural part is formed between the two convex columns;
the pin grooves on the grounding feet at the two ends of the bottom of the upper-layer fuel assembly transportation container are respectively matched with the positioning pins at the two ends of the top of the lower-layer fuel assembly transportation container to position and restrain the upper-layer fuel assembly transportation container;
and S3, winding the top of the upper fuel assembly transport container by using at least one group of straps and tightening and binding the fuel assembly transport container on the transport box.
2. The transportation securing method according to claim 1, wherein the transportation box is a container or a compartment of a transportation vehicle.
3. The transportation securing method of claim 1, wherein step S2 further comprises: and a limiting buffer device is arranged between two adjacent fuel assembly transportation container groups on the same layer for buffering and limiting.
4. The transportation fixing method according to claim 1, wherein one side of the positioning structure is provided with a central positioning slot, and the other opposite side is provided with two adjacent positioning slots.
5. The transportation securing method of claim 4, wherein the positioning slot is formed between two posts provided on the side edges.
6. The transportation fixing method according to claim 4, wherein in step S1, the two positioning structure members are placed and fixed in the bottom plate of the transportation box with the opposite sides having one positioning slot;
the step S2 comprises the following steps:
s2.1, transversely placing a fuel assembly transport container in the middle on the two positioning structural members to serve as a lower-layer fuel assembly transport container, wherein the grounding feet at two ends of the bottom of the lower-layer fuel assembly transport container are respectively clamped in the positioning clamping grooves of the two positioning structural members;
and S2.2, another fuel assembly transport container is placed on the lower layer fuel assembly transport container in an aligned mode, and pin grooves in the grounding feet at the two ends of the bottom of the fuel assembly transport container are respectively matched with positioning pins at the two ends of the top of the lower layer fuel assembly transport container.
7. The transportation fixing method according to claim 4, wherein in step S1, the two positioning structures are placed and fixed in the bottom plate of the transportation box with the sides having the two positioning slots facing away from each other;
the step S2 comprises the following steps:
s2.1, transversely placing two fuel assembly transport containers side by side on the two positioning structural members to serve as a lower-layer fuel assembly transport container group, wherein the grounding feet at two ends of the bottom of each fuel assembly transport container are respectively clamped in the positioning clamping grooves of the two positioning structural members;
s2.2, installing a limiting buffer device between two fuel assembly transport containers in the lower fuel assembly transport container group for buffering and limiting;
s2.3, sequentially aligning and placing the other two fuel assembly transport containers on the two fuel assembly transport containers of the lower fuel assembly transport container group to serve as an upper fuel assembly transport container group;
pin grooves on the grounding feet at the bottoms of the two fuel assembly transport containers in the upper fuel assembly transport container group are respectively matched with positioning pins at the tops of the two fuel assembly transport containers in the lower fuel assembly transport container group;
and S2.4, installing a limiting buffer device between the two fuel assembly transportation containers in the upper fuel assembly transportation container group for buffering and limiting.
8. The transportation fixing method according to claim 7, wherein the limiting and buffering device comprises two connecting plates which are oppositely arranged, and locking assemblies which are arranged on the two connecting plates in a penetrating manner and are locked; through holes corresponding to the fasteners on the flange plates on the side surfaces of the fuel assembly transportation container are respectively arranged on the two connecting plates;
in the steps S2.2 and S2.4, when the limiting buffer device is installed, the two connecting plates are respectively placed above and below the flange plates on the side surfaces of the two adjacent fuel assembly transportation containers, the upper ends and the lower ends of the fastening pieces on the flange plates are respectively sleeved with the through holes on the two connecting plates, the locking assemblies are arranged on the two connecting plates in a penetrating and locking mode, and the two adjacent fuel assembly transportation containers are relatively and fixedly connected.
9. A transportation fixing system of a fuel assembly transportation container is characterized by comprising two positioning structural members which are arranged in parallel at intervals along the length direction of the fuel assembly transportation container and are fixed in a bottom plate of a transportation box, a plurality of fuel assembly transportation containers which are stacked on the positioning structural members in at most two layers, and at least one group of binding bands which pass over the top of the fuel assembly transportation container on the upper layer and are tightly bound on the transportation box;
the two ends of the bottom of the fuel assembly transportation container are respectively provided with a grounding foot, and the two ends of the top of the fuel assembly transportation container are respectively provided with a positioning pin matched with a pin groove on the grounding foot; at least one side edge of each positioning structural part is provided with a positioning clamping groove matched with the grounding foot, and the positioning clamping groove is formed between the two convex columns; the distance between the two positioning structural members is determined by the distance of the ground contact feet at the two ends of the bottom of the fuel assembly transportation container;
the grounding feet at two ends of the bottom of the fuel assembly transportation container positioned at the lower layer are respectively clamped in the positioning clamping grooves of the two positioning structural members; the pin grooves on the grounding feet at the two ends of the bottom of the upper fuel assembly transport container are respectively matched with the positioning pins at the two ends of the top of the lower fuel assembly transport container to position and restrain the upper fuel assembly transport container.
10. The transportation securing system of claim 9, further comprising a restraint bumper coupled between two adjacent fuel assembly transport containers on the same floor to cushion and restrain the two adjacent fuel assembly transport containers.
11. The transportation fixing system of claim 10, wherein the limiting buffer device comprises two connecting plates which are oppositely arranged, and a locking component which is arranged on the two connecting plates in a penetrating way for locking;
through holes corresponding to the fasteners on the flange plates on the side surfaces of the fuel assembly transportation container are respectively arranged on the two connecting plates;
the locking assembly comprises a connecting rod and a locking piece matched on the connecting rod.
CN202080009308.6A 2020-04-08 2020-04-08 Transportation fixing method and system for fuel assembly transportation container Active CN113316548B (en)

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DE3900524A1 (en) * 1988-05-27 1989-12-07 Wolfgang Bermueller Large container for transportation on a loading surface of a heavy goods vehicle
AU2002240788A1 (en) * 2002-01-19 2003-07-30 Lepus Vermogensverwaltung Gmbh Self-locking, self-adjusting receptacles, particularly containers
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