CN109741844B - Automatic core block pipe installing device - Google Patents
Automatic core block pipe installing device Download PDFInfo
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- CN109741844B CN109741844B CN201811634820.0A CN201811634820A CN109741844B CN 109741844 B CN109741844 B CN 109741844B CN 201811634820 A CN201811634820 A CN 201811634820A CN 109741844 B CN109741844 B CN 109741844B
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- 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
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Abstract
The invention belongs to the technical field of nuclear fuel element manufacturing for a nuclear power station, and particularly relates to an automatic core block pipe installing device. The feeding disc transmission line, the discharging disc transmission line, the parallel robot, the rectangular coordinate manipulator, the weighing station, the length measuring station, the pellet compensation station, the standard pellet pushing device, the tube loading pushing device, the material pushing level, the standard tray to-be-grabbed level, the feeding level, the discharging level, the compensation pellet feeding level, the compensation standard pellet feeding level and the tray code reader are all connected with the PLC, and all the components are installed on the rack. The invention can realize the automatic weighing, the lengthening and the tube loading of the nuclear fuel pellets.
Description
Technical Field
The invention belongs to the technical field of nuclear fuel element manufacturing for a nuclear power station, and particularly relates to an automatic core block pipe installing device.
Background
The assembly is produced for the first time in China, has a structure which is greatly different from other assemblies, belongs to a special tool and a nuclear fuel element, and has no description report in related fields. The labor intensity of the tube loading operation is high, the number of times of pushing and tube loading every day is close to 2000, meanwhile, the operation of weighing and lengthening is also accompanied, the repetitive operation easily causes fatigue of operators, but the processes of pushing, weighing, lengthening and tube loading need post personnel to operate carefully, high attention is kept constantly, otherwise, the product quality is influenced, and meanwhile, in the operation process, the tube loading speed is also influenced due to different force and pushing speeds of the operators, so that the practical significance of changing manual tube loading into automatic tube loading is high.
Disclosure of Invention
The invention aims to provide an automatic core block tube loading device which can realize automatic weighing, length arrangement and tube loading of nuclear fuel core blocks.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
an automatic core block tubulation device, comprising: the device comprises a PLC, a feeding disc transmission line, a discharging disc transmission line, a parallel robot, a rectangular coordinate mechanical arm, a transition tray whole disc material pushing level, a weighing level, a length measuring level, a pellet compensation level, a standard pellet material pushing device, a tube loading material pushing device, a material pushing level, a standard tray to-be-grabbed level, a feeding level, a discharging level, a compensation pellet material feeding level, a standard pellet material feeding level for compensation, a tray code reader and a rack, wherein all the parts are arranged on the rack; the feeding disc transmission line, the discharging disc transmission line, the parallel robot, the rectangular coordinate manipulator, the weighing station, the length measuring station, the pellet compensation station, the standard pellet pushing device, the pipe loading pushing device, the material pushing level, the standard tray to-be-grabbed position, the material loading level, the material discharging level, the material loading level of the compensation pellet, the material loading level of the standard pellet for compensation and the tray code reader are all connected with the PLC.
Weighing the entered cladding tube, scanning the code, sorting and weighing the uranium dioxide pellets, loading the uranium dioxide pellets into a charging tray, pushing the pellets in the charging tray into the cladding tube, weighing after loading the tube, and automatically calculating and checking whether the weight of the uranium dioxide pellets before and after loading the tube is consistent; placing the special tray for the standard core block at a loading position, placing the special tray for the standard core block at the loading position of the standard core block for compensation, and placing the special tray for the compensation core block at the loading position of the compensation core block; the rectangular coordinate manipulator moves the special tray for the standard core block to a material pushing position in a transverse moving way; the standard core block pushing device pushes the standard core block into the transition tray; returning the special tray for the standard core block to a discharging position, putting the empty tray into a core block storage bin, and taking a full tray of the standard core block to be placed on a standard core block feeding position; the transition tray is transversely moved to a standard core block weighing station to weigh the standard core block in the transition tray; the transition tray is transversely moved to a pellet compensation station; the parallel robot places the weighted core blocks in the last row; the parallel robot places the front and rear stainless steel cushion blocks at the foremost end of the first row of standard core blocks and the tail end of the last row of core blocks of the tube-loading core block tray; the transition tray is transversely moved to the whole tray material pushing position of the transition tray; the tube loading and pushing device pushes the pellets in the tube loading pellet tray into the cladding tube line by line; and lifting the cladding tube filled with the pellets by the lifting device again for weighing, automatically calculating and checking whether the weight of the pellets before and after loading is consistent, entering the next procedure if the weight of the pellets before and after loading is consistent, and giving an alarm if the weight of the pellets before and after loading is not consistent, and giving an alarm if the weight of the pellets after loading is not consistent.
The beneficial effects obtained by the invention are as follows:
the invention reasonably arranges each part, replaces manual weighing, length arranging and pipe loading, standardizes post operation, avoids the influence of human factors on the product quality, quantifies the operation processes of weighing, length arranging and pipe loading, and ensures controllable weighing, length arranging and pipe loading quality.
Drawings
FIG. 1 is a view showing the structure of an automatic pellet loading apparatus.
Detailed Description
The invention is described in detail below with reference to the figures and specific embodiments.
As shown in fig. 1, the automatic pellet tube loading device of the present invention comprises: the device comprises a PLC, a feeding disc transmission line, a discharging disc transmission line, a parallel robot, a rectangular coordinate mechanical arm, a transition tray whole disc material pushing position, a weighing position, a length measuring position, a pellet compensation position, a standard pellet material pushing device, a pipe loading material pushing device, a material pushing position, a standard tray to-be-grabbed position, a feeding position, a discharging position, a compensation pellet material feeding position, a standard pellet material feeding position for compensation, a tray code reader and a rack, wherein all the parts are arranged on the rack; the feeding disc transmission line, the discharging disc transmission line, the parallel robot, the rectangular coordinate manipulator, the weighing station, the length measuring station, the pellet compensation station, the standard pellet pushing device, the pipe loading pushing device, the material pushing level, the standard tray to-be-grabbed position, the material loading level, the material discharging level, the material loading level of the compensation pellet, the material loading level of the standard pellet for compensation and the tray code reader are all connected with the PLC.
1) The device can be used for weighing, lengthening and tubing the uranium dioxide pellet/boron carbide pellet of the fuel rod: the cladding tube entering the station is first weighed and code scanned. And meanwhile, sorting and weighing the uranium dioxide pellets, loading the uranium dioxide pellets into a material tray, pushing the pellets in the material tray into a cladding tube, weighing the pellets after tube loading, and automatically calculating and checking whether the weights of the uranium dioxide pellets before and after tube loading are consistent.
2) Conveying the cladding tube to the station by a conveying line, and lifting, weighing and scanning;
placing the special tray for the standard core block at a loading position, placing the special tray for the standard core block at the loading position of the standard core block for compensation, and placing the special tray for the compensation core block at the loading position of the compensation core block;
the rectangular coordinate manipulator moves the special tray for the standard core block to a material pushing position in a transverse moving way;
the standard core block pushing device pushes the standard core block into the transition tray; returning the special tray for the standard core block to a discharging position, putting the empty tray into a core block storage bin, and taking a full tray of the standard core block to be placed on a standard core block feeding position;
the transition tray is transversely moved to a standard core block weighing station, and the standard core blocks in the transition tray are weighed;
the transition tray is transversely moved to a pellet compensation station;
the parallel robot places the weighted core blocks in the last column;
the parallel robot places the front and rear stainless steel cushion blocks at the foremost end of the first row of standard core blocks and the tail end of the last row of core blocks of the tube-loading core block tray;
the transition tray is transversely moved to the whole tray material pushing position of the transition tray;
the tube loading and pushing device pushes the pellets in the tube loading pellet tray into the cladding tube line by line;
and lifting the cladding tube filled with the pellets by the lifting device again, weighing, automatically calculating and checking whether the weight of the pellet before and after loading is consistent, entering the next procedure if the weight of the pellet before and after loading is met, and giving an alarm if the weight of the pellet before and after loading is not met.
Claims (1)
1. The utility model provides an automatic tubulation device of core piece which characterized in that: the method comprises the following steps: the device comprises a PLC, a feeding disc transmission line, a discharging disc transmission line, a parallel robot, a rectangular coordinate mechanical arm, a transition tray whole disc material pushing level, a weighing level, a length measuring level, a pellet compensation level, a standard pellet material pushing device, a tube loading material pushing device, a material pushing level, a standard tray to-be-grabbed level, a feeding level, a discharging level, a compensation pellet material feeding level, a standard pellet material feeding level for compensation, a tray code reader and a rack, wherein all the parts are arranged on the rack; the feeding disc transmission line, the discharging disc transmission line, the parallel robot, the rectangular coordinate mechanical arm, the weighing station, the length measuring station, the pellet compensation station, the standard pellet pushing device, the tubing pushing device, the pushing material level, the standard tray to-be-grabbed position, the feeding level, the discharging level, the compensation pellet feeding level, the standard pellet feeding level for compensation and the tray code reader are all connected with the PLC;
weighing the entered cladding tube, scanning the cladding tube, sorting the uranium dioxide pellets, weighing and loading the uranium dioxide pellets into a charging tray, pushing the pellets in the charging tray into the cladding tube, weighing after tube loading, and automatically calculating and checking whether the weight of the uranium dioxide pellets before and after tube loading is consistent; placing the special standard pellet tray at a loading level, placing the special standard pellet tray at a standard pellet loading level for compensation, and placing the special compensation pellet tray at a compensation pellet loading level; the rectangular coordinate mechanical arm moves the special standard pellet tray to a pushing position in a transverse moving mode; the standard core block pushing device pushes the standard core block into the transition tray; returning the special tray for the standard core block to a discharging position, putting the empty tray into a core block storage bin, and taking a full tray of the standard core block to be placed on a standard core block feeding position; the transition tray is transversely moved to a standard core block weighing station, and the standard core blocks in the transition tray are weighed; the transition tray is transversely moved to a pellet compensation station; the parallel robot places the weighted core blocks in the last column of the tube-loading core block tray; the parallel robot places the front and rear stainless steel cushion blocks at the foremost end of the first column of standard core blocks and the tail end of the last column of core blocks of the tube-loading core block tray; the transition tray is transversely moved to the whole tray material pushing position of the transition tray; the tube loading and pushing device pushes the pellets in the tube loading pellet tray into the cladding tube line by line; and lifting the cladding tube filled with the pellets by the lifting device again for weighing, automatically calculating and checking whether the weight of the pellets before and after loading is consistent, entering the next procedure if the weight of the pellets before and after loading is consistent, and giving an alarm if the weight of the pellets before and after loading is not consistent, and giving an alarm if the weight of the pellets after loading is not consistent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634820.0A CN109741844B (en) | 2018-12-29 | 2018-12-29 | Automatic core block pipe installing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811634820.0A CN109741844B (en) | 2018-12-29 | 2018-12-29 | Automatic core block pipe installing device |
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| CN109741844A CN109741844A (en) | 2019-05-10 |
| CN109741844B true CN109741844B (en) | 2022-10-21 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110265163B (en) * | 2019-06-28 | 2022-11-29 | 中机中联工程有限公司 | Pellet tubulation process for nuclear fuel assembly |
| CN110189843B (en) * | 2019-06-28 | 2024-02-02 | 中机中联工程有限公司 | Nuclear fuel assembly pellet tubing device |
| CN114496324A (en) * | 2021-12-13 | 2022-05-13 | 中国核电工程有限公司 | Automatic spring pipe loading device and system |
| CN117198579A (en) * | 2023-09-26 | 2023-12-08 | 中国核电工程有限公司 | Production method and production line of product cup |
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| US4235066A (en) * | 1978-05-30 | 1980-11-25 | General Electric Company | Nuclear fuel rod loading apparatus |
| CA1321037C (en) * | 1988-12-22 | 1993-08-03 | Richard William Lucas | Reinforced nuclear fuel element for cobalt capsules |
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| US4980119A (en) * | 1989-04-04 | 1990-12-25 | General Electric Company | Multizone automated nuclear fuel rod loading system |
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| CN109741844A (en) | 2019-05-10 |
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