A push rod force measuring device
A measuring device and technology on the other side, applied in the direction of reducing greenhouse gases, climate sustainability, reactors, etc., can solve problems such as unsatisfactory straightness, bent fuel rod cladding, and potential safety hazards
Active Publication Date: 2019-06-07
SICHUAN UNIV
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Problems solved by technology
[0004] The purpose of the present invention is to overcome the above-mentioned deficiencies such as the cladding bending and surface damage of individual fuel rods that are likely to be caused when the existing fuel rods are formed into fuel assemblies, which may cause potential safety hazards, and to provide a push rod force measuring device that is convenient for pushing During the process, the progress of all fuel rods is monitored, and the fuel rod cladding damage exceeds the limit or the straightness does not meet the requirements in time, which is conducive to improving the safety of fuel assemblies and the quality of finished products
Method used
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Embodiment 1
[0031] Such as Figure 1-4 As shown, a push rod force measuring device according to the present invention includes a base plate 1 and a cover plate 2, one side of the base plate 1 is connected to the propulsion component 3, and the base plate 1 and the propulsion component 3 are perpendicular to each other, so The other side of the bottom plate 1 is provided with several holes 11 with the same size and shape, each of which is provided with a sensor 12, and the position of each of the holes 11 is adapted to a fuel in the fuel assembly. Where the rod 4 is located, the cover plate 2 is rotatably connected to the side of the base plate 1 where the hole 11 is provided, the base plate 1 is provided with a locking component 5, and the cover plate 2 is provided with a A plurality of hole two 21 with the same size and shape, one hole two 21 is positioned to fit one hole one 11, and a coaxial connection part 6 is arranged between the fuel rod 4 and the sensor 12, so The end of the conn...
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The invention discloses a push rod force measuring device, which comprises a bottom plate, one side of the bottom plate is connected to a propelling part, and a plurality of holes are arranged on the other side of the bottom plate, and each hole is provided with a A sensor, the position of each hole 1 is adapted to the position of a fuel rod in the fuel assembly, and all the sensors are connected with display components. This device can monitor the propulsion process of all fuel rods in time, avoiding the bending of individual fuel rods or large damage to the cladding caused by the position deflection of individual fuel rods in the process of forming fuel assemblies, causing safety hazards, and avoiding the fuel assembly after the fuel assembly is formed. The inconvenience of performing appearance inspection is beneficial to improving the safety of the fuel assembly and the quality of the finished product, the structure is simple, and the processing is convenient.
Description
technical field [0001] The invention relates to the field of fuel rod processing, in particular to a device for measuring push rod force. Background technique [0002] Nuclear fuel is sintered into cylindrical uranium dioxide ceramic pellets, stacked in cladding tubes made of zirconium alloys, and made into slender fuel rods, and then these fuel rods are separated by a certain interval. 15×15 or 17×17 are arranged in parallel, and the fuel rods are replaced by control rod guide tubes at the selected positions, together with the multi-layer positioning grid evenly distributed along the length, connected with the upper and lower tube sockets to form a skeleton, and finally the fuel rods are inserted into multiple After the layers are positioned on the grid, they are assembled into fuel assemblies, which can be used in nuclear power plants. [0003] Considering the safety and combustion efficiency of fuel rods, fuel rods must be accurately aligned and loaded into each spacer g...
Claims
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IPC IPC(8): G21C17/06
CPCG21C17/06Y02E30/30
Inventor 周新志宁芊赵成萍
Owner SICHUAN UNIV