CN108269636B - Fuel assembly guide pipe plug pressing device - Google Patents
Fuel assembly guide pipe plug pressing device Download PDFInfo
- Publication number
- CN108269636B CN108269636B CN201611251447.1A CN201611251447A CN108269636B CN 108269636 B CN108269636 B CN 108269636B CN 201611251447 A CN201611251447 A CN 201611251447A CN 108269636 B CN108269636 B CN 108269636B
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- end plug
- fuel rod
- feeding
- cylinder
- plug
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- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C21/00—Apparatus or processes specially adapted to the manufacture of reactors or parts thereof
- G21C21/02—Manufacture of fuel elements or breeder elements contained in non-active casings
- G21C21/10—Manufacture of fuel elements or breeder elements contained in non-active casings by extrusion, drawing, or stretching by rolling, e.g. "picture frame" technique
-
- 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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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Butt Welding And Welding Of Specific Article (AREA)
- Automatic Assembly (AREA)
Abstract
The invention belongs to the technical field of fuel assembly manufacturing, and particularly relates to a fuel assembly guide tube plug pressing device. The fuel assembly guide tube plugging device of the invention comprises: the device comprises a control system, an end plug feeding device, an end plug positioning and pressing device, a fuel rod clamping device, a feeding and discharging wheel, a fuel rod clamping and feeding device, a feeding and discharging device and a bracket; the invention solves the technical problems that the prior guide tube plug pressing mode is manually operated in the whole process, has higher requirements on the skills of operators, is difficult to ensure the stability of the plug pressing quality and seriously wastes human resources, and can realize automatic feeding of the end plugs and automatic feeding and discharging of the guide tubes; and through end plug automatic positioning mechanism, take the end plug through pneumatic chuck and correctly place and wait to press the position, realize end plug automatic positioning, press plug power, press plug dwell time can be adjusted, ensure that press plug quality is stable controllable, saved a large amount of manpower and material resources.
Description
Technical Field
The invention belongs to the technical field of fuel assembly manufacturing, and particularly relates to a fuel assembly guide tube plug pressing device.
Background
The guide tube is an important component of the fuel assembly framework, and the end plug is correctly pressed into the guide tube, so that the appearance dimension quality of the guide tube is related, and the welding quality of the subsequent guide tube and the end plug is directly influenced. The guide tube product is shown in particular in figure 1.
The existing traditional guide tube plug pressing mode is as follows: manually moving a guide tube to a riding wheel of a plug pressing device, putting an end plug into an end plug positioning hole, manually feeding the guide tube cladding tube into contact with the end plug and adjusting and aligning, starting a clamping cylinder, clamping the cladding tube, restarting the end plug to feed into the cylinder, pressing the end plug into the cladding tube, and observing the cylinder pressure. Manual operation is performed in the whole process, and feeding and discharging are performed manually; the technical requirement on the operators is higher, the contact position of the end plug and the cladding pipe is required to be aligned, the end plug is prevented from being pressed or askew, the pressure of the pressure measuring plug is required to be observed in real time, and the influence on the quality of the pressure measuring plug is avoided.
However, the existing guide tube plug pressing mode is operated manually in the whole process, the requirement on the skill of operators is high, the stability of the plug pressing quality is difficult to ensure, and the manpower resource is seriously wasted.
Disclosure of Invention
The technical problems to be solved by the invention are as follows: the existing guide tube plug pressing mode is operated manually in the whole process, has high requirements on skills of operators, is difficult to ensure the stability of plug pressing quality, and seriously wastes human resources.
The technical scheme of the invention is as follows:
a fuel assembly pilot tube tucker arrangement comprising: the device comprises a control system, an end plug feeding device, an end plug positioning and pressing device, a fuel rod clamping device, a feeding and discharging wheel, a fuel rod clamping and feeding device, a feeding and discharging device and a bracket;
the control system is used for programming and controlling the switch and action of the end plug feeding device, the end plug positioning and pressing device, the fuel rod clamping inlet and outlet device and the feeding and discharging device;
the end plug feeding device is arranged at one end of the bracket, and the end plug is automatically fed into the end plug positioning and pressing device through vibrating the feeding disc;
the end plug positioning and pressing-in device is fixedly arranged on the bracket and is arranged close to the end plug feeding device; comprising the following steps: the device comprises an end plug valve cylinder, an end plug valve, an end plug rotary cylinder, a guide hole rod, a gas claw, a pressure plug cylinder, a movable seat and a pressure sensor; the end plug valve cylinder is used as a power device for opening and closing the end plug valve; the end plug valve is used for realizing the on-off control of the feeding of the end plug; the end plug rotating cylinder is used for transferring the end plug to a position to be pressed in; the guide hole rod is used for guiding an end plug of the end plug valve to the air jaw according to a preset gesture; the gas claw is used for realizing the gripping of the end plug to be pressed into the fuel rod; the plug pressing cylinder is fixedly arranged on the bracket and is used for pressing the end plug into the fuel rod; the pressure sensor is used for detecting the pressure provided by the pressure plug cylinder; the movable seat is arranged on the bracket through a guide rail, so that the movable seat can be far away from or close to the tamponade cylinder; the end plug valve cylinder, the end plug valve, the end plug rotary cylinder, the guide hole rod and the air jaw are fixedly arranged on the movable seat;
the fuel rod clamping device and the feeding and discharging wheel are fixedly arranged on the bracket, the fuel rod clamping device is used for clamping the fuel rod reaching a preset position, and the feeding and discharging wheel is used for supporting and guiding the fuel rod when the fuel rod enters and exits the preset position;
the fuel rod clamping inlet and outlet device comprises: the finger clamping piece, the clamping cylinder, the actuator and the bracket are formed; the finger clamping piece consists of two flat plates with notches, and can clamp the fuel rod in the notches under the drive of the clamping cylinder; the actuator can drive the finger clamping piece, the clamping cylinder, the bracket and the fuel rod clamped in the finger clamping piece to move back and forth along the axial direction of the fuel rod;
the feeding and discharging device is arranged on the bracket, and can take out the fuel rod to be pressed into the end plug from the storage position and convey the fuel rod to the position of the fuel rod clamping and feeding device; and transporting the fuel rod having been pressed into the end plug to another storage location;
the beneficial effects of the invention are as follows:
the device can realize automatic feeding of the end plugs and automatic feeding and discharging of the guide pipes; and through end plug automatic positioning mechanism, take the end plug through pneumatic chuck and correctly place and wait to press the position, realize end plug automatic positioning, press plug power, press plug dwell time can be adjusted, ensure that press plug quality is stable controllable, saved a large amount of manpower and material resources.
Drawings
FIG. 1 is a schematic view of the outer shape of a guide tube;
FIG. 2 is a schematic illustration of the fuel assembly pilot tube tamponade assembly of the present invention;
FIG. 3 is a schematic view of an end plug positioning and pressing device;
FIG. 4 is a schematic diagram of the fuel rod clamping inlet and outlet device;
the device comprises a 1-control system, a 2-end plug feeding device, a 3-end plug positioning and pressing device, a 301-plug valve cylinder, a 302-end plug valve, a 303-end plug rotating cylinder, a 304-guide hole rod, a 305-air claw, a 306-plug pressing cylinder, a 307-moving seat, a 308-pressure sensor, a 4-fuel rod clamping device, a 5-feeding and discharging wheel, a 6-fuel rod clamping and feeding device, a 601-finger clamping piece, a 602-clamping cylinder, a 603-actuator, a 604-bracket, a 7-feeding and discharging device and an 8-bracket 8.
Detailed Description
The fuel assembly pilot tube tamp assembly of the present invention will be described in detail with reference to the drawings and examples.
As shown in fig. 2, the fuel assembly guide tube tucking attachment of the present invention comprises a control system 1, an end plug feeder 2, an end plug positioning and pressing device 3, a fuel rod clamping device 4, a feed and discharge wheel 5, a fuel rod clamping and feed and discharge device 6, a loading and unloading device 7, and a bracket 8.
The control system 1 is used for programming and controlling the opening and closing and actions of the end plug feeding device 2, the end plug positioning and pressing device 3, the fuel rod clamping device 4, the fuel rod clamping inlet and outlet device 6 and the feeding and discharging device 7.
The end plug feeding device 2 is arranged at one end of the bracket 8, and is used for automatically feeding the end plug into the end plug positioning and pressing device 3 through the vibration feeding disc.
The end plug positioning and pressing device 3 is shown in fig. 3, and the end plug positioning and pressing device 3 is fixedly mounted on the bracket 8 and is arranged close to the end plug feeding device 2. Comprising the following steps: end plug valve cylinder 301, end plug valve 302, end plug rotation cylinder 303, pilot hole rod 304, air jaw 305, tamp cylinder 306, traveling block 307, and pressure sensor 308. The end plug valve cylinder 301 is used as a power means for opening and closing the end plug valve 302. The end plug valve 302 is used to effect on-off control of the end plug feed. The end plug rotating cylinder 303 is used for transferring the end plug to a position to be pressed in. The guide hole rod 304 is used to guide the end plug of the end plug valve 302 to the air jaw 305 in a preset posture. The gas claw 305 is used to achieve a grip of the end plug to be pressed into the fuel rod. The tucking cylinder 306 is fixedly mounted on the bracket 8 for pressing the end plug into the fuel rod. The pressure sensor 308 is used to detect the pressure provided by the plug cylinder 306. The movable seat 307 is mounted on the bracket 8 by a guide rail so that the movable seat 307 can be far away from or near the tamp cylinder 306. The end plug valve cylinder 301, end plug valve 302, end plug rotation cylinder 303, guide hole rod 304 and air jaw 305 are fixedly mounted on the movable seat 307.
The fuel rod clamping device 4 and the feeding and discharging wheel 5 are fixedly arranged on the bracket 8, the fuel rod clamping device 4 is used for clamping the fuel rod reaching a preset position, and the feeding and discharging wheel 5 is used for supporting and guiding the fuel rod when the fuel rod enters and exits from the preset position.
The fuel rod holding in and out device 6, as shown in fig. 4, includes: finger grip 601, grip cylinder 602, actuator 603 and bracket 604. The bracket 604 is fixedly arranged on the actuator 603, the clamping cylinder 602 is fixedly arranged on the bracket 604, the finger clamping piece 601 consists of two flat plates with notches, and the fuel rod can be clamped in the notches under the driving of the clamping cylinder 602. The actuator 603 can drive the finger grip 601, the grip cylinder 602, the bracket 604 and the fuel rod gripped in the finger grip 601 to move back and forth along the axial direction of the fuel rod.
The loading and unloading device 7 is arranged on the support 8, and the loading and unloading device 7 can take out the fuel rod to be pressed into the end plug from the storage position and convey the fuel rod to the position of the fuel rod clamping and entering device 6. And transporting the fuel rod having been pressed into the end plug to another storage location.
When the device is used, under the control of the control system 1, firstly the feeding and discharging device 7 takes out the fuel rod to be pressed into the end plug from the storage position and conveys the fuel rod to the position of the fuel rod clamping and entering device 6, then the clamping cylinder 602 drives the finger clamping piece 601 to clamp the fuel rod, then the actuator 603 drives the fuel rod to move to the position close to the designated position of the end plug positioning and pressing device 3, and after the fuel rod reaches the designated position, the fuel rod clamping device 4 clamps the fuel rod. At the same time, the plug feeding device 2 makes the plug stored therein slide into the plug positioning and pressing device 3 by vibrating the feeding tray, the plug valve 302 is opened under the drive of the plug valve cylinder 301, the plug slides into the air jaw 305 along the guide hole rod 304 in a preset posture, the plug valve 302 is closed under the drive of the plug valve cylinder 301, the air jaw 305 grasps the plug, and is rotationally moved to a designated position under the drive of the plug rotary cylinder 303. Thereafter the tucking cylinder 306 is actuated to push the end plug into the fuel rod.
After the end plug is pressed into the fuel rod, the plug pressing cylinder 306 is reset, the air claw 305 is reset under the drive of the end plug rotating cylinder 303, the fuel rod clamping device 4 releases the fuel rod, the actuator 603 drives the fuel rod to withdraw from the designated position to move, the clamping cylinder 602 drives the finger clamping piece 601 to release the fuel rod with the mounted end plug, and the feeding and discharging device 7 conveys the fuel rod with the mounted end plug to another storage position.
Claims (1)
1. A fuel assembly pilot tube tucker arrangement comprising: the device comprises a control system (1), an end plug feeding device (2), an end plug positioning and pressing device (3), a fuel rod clamping device (4), a feeding and discharging wheel (5), a fuel rod clamping and feeding device (6), a feeding and discharging device (7) and a first bracket (8); the method is characterized in that:
the control system (1) is used for programming and controlling the switch and action of the end plug feeding device (2), the end plug positioning and pressing device (3), the fuel rod clamping device (4), the fuel rod clamping inlet and outlet device (6) and the feeding and discharging device (7);
the end plug feeding device (2) is arranged at one end of the first bracket (8), and the end plug is automatically fed into the end plug positioning and pressing device (3) through vibrating the feeding disc;
the end plug positioning and pressing device (3) is fixedly arranged on the first bracket (8) and is arranged close to the end plug feeding device (2); comprising the following steps: an end plug valve cylinder (301), an end plug valve (302), an end plug rotating cylinder (303), a guide hole rod (304), a gas claw (305), a corking cylinder (306), a movable seat (307) and a pressure sensor (308); the end plug valve cylinder (301) is used as a power device for opening and closing the end plug valve (302); the end plug valve (302) is used for realizing the on-off control of end plug feeding; the end plug rotating cylinder (303) is used for transferring the end plug to a position to be pressed in; the guide hole rod (304) is used for guiding an end plug of the end plug valve (302) to the position of the air claw (305) according to a preset gesture; the gas claw (305) is used for realizing the gripping of an end plug to be pressed into a fuel rod; the plug pressing cylinder (306) is fixedly arranged on the first bracket (8) and is used for pressing the end plug into the fuel rod; the pressure sensor (308) is used for detecting the pressure provided by the plug cylinder (306); the movable seat (307) is arranged on the first bracket (8) through a guide rail, so that the movable seat (307) can be far away from or close to the tamponade cylinder (306); the end plug valve cylinder (301), the end plug valve (302), the end plug rotating cylinder (303), the guide hole rod (304) and the air jaw (305) are fixedly arranged on the movable seat (307);
the fuel rod clamping device (4) and the feeding and discharging wheel (5) are fixedly arranged on the first bracket (8), the fuel rod clamping device (4) is used for clamping the fuel rod reaching a preset position, and the feeding and discharging wheel (5) is used for supporting and guiding the fuel rod when the fuel rod enters and exits the preset position;
the fuel rod clamping in-out device (6) comprises: the finger clamping piece (601), the clamping cylinder (602), the actuator (603) and the second bracket (604); the second bracket (604) is fixedly arranged on the actuator (603), the clamping cylinder (602) is fixedly arranged on the second bracket (604), the finger clamping piece (601) consists of two flat plates with notches, and the fuel rod can be clamped in the notches under the driving of the clamping cylinder (602); the actuator (603) can drive the finger clamping piece (601), the clamping cylinder (602), the second bracket (604) and the fuel rod clamped in the finger clamping piece (601) to move back and forth along the axial direction of the fuel rod;
the feeding and discharging device (7) is arranged on the first bracket (8), and the feeding and discharging device (7) can take out a fuel rod to be pressed into the end plug from a storage position and convey the fuel rod to the position of the fuel rod clamping inlet and outlet device (6); and transporting the fuel rod having been pressed into the end plug to another storage location.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251447.1A CN108269636B (en) | 2016-12-30 | 2016-12-30 | Fuel assembly guide pipe plug pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611251447.1A CN108269636B (en) | 2016-12-30 | 2016-12-30 | Fuel assembly guide pipe plug pressing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108269636A CN108269636A (en) | 2018-07-10 |
| CN108269636B true CN108269636B (en) | 2023-10-13 |
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ID=62753666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611251447.1A Active CN108269636B (en) | 2016-12-30 | 2016-12-30 | Fuel assembly guide pipe plug pressing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108269636B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108766590B (en) * | 2018-08-20 | 2024-04-05 | 中机中联工程有限公司 | Vibration direction angle continuous adjusting mechanism and core block vibration tube filling machine |
| CN109741845A (en) * | 2018-12-29 | 2019-05-10 | 中核北方核燃料元件有限公司 | A kind of presurized water reactor annular fuel component guide pipe tamponade device and method |
| CN109530877A (en) * | 2018-12-29 | 2019-03-29 | 中核北方核燃料元件有限公司 | A kind of presurized water reactor annular fuel component guide pipe welder and method |
| CN109719371A (en) * | 2018-12-29 | 2019-05-07 | 中核北方核燃料元件有限公司 | A kind of presurized water reactor annular fuel component separator tube welder and method |
| CN109741846A (en) * | 2018-12-29 | 2019-05-10 | 中核北方核燃料元件有限公司 | A kind of presurized water reactor annular fuel component separator tube tamponade device and method |
| CN111924462B (en) * | 2020-07-10 | 2022-05-27 | 中国核电工程有限公司 | End plug loading attachment and fuel rod end plug pressure plug system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206672648U (en) * | 2016-12-30 | 2017-11-24 | 中核建中核燃料元件有限公司 | A kind of fuel assembly guide pipe tamponade device |
-
2016
- 2016-12-30 CN CN201611251447.1A patent/CN108269636B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206672648U (en) * | 2016-12-30 | 2017-11-24 | 中核建中核燃料元件有限公司 | A kind of fuel assembly guide pipe tamponade device |
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| CN108269636A (en) | 2018-07-10 |
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