CN102172781A - High-precision plane field processing device and field processing method for top flanges for nuclear reactors - Google Patents
High-precision plane field processing device and field processing method for top flanges for nuclear reactors Download PDFInfo
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- CN102172781A CN102172781A CN2011100426072A CN201110042607A CN102172781A CN 102172781 A CN102172781 A CN 102172781A CN 2011100426072 A CN2011100426072 A CN 2011100426072A CN 201110042607 A CN201110042607 A CN 201110042607A CN 102172781 A CN102172781 A CN 102172781A
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Abstract
The invention relates to a high-precision plane field processing device and a field processing method for top flanges for nuclear reactors. At present, no related device and method are provided. A milling machine provided by the invention comprises a power head, a rectangular frame, a drag plate and at least three high-precision adjustable plugs, wherein the power head contains a Z-direction movement mechanism, a tool spindle and a milling drive motor; the rectangular frame is provided with two X-direction guide rails and a X-direction screw rod, the drag plate is arranged on the X-direction guide rails, and a nut matched with the X-direction screw rod is fixed on the drag plate, thus an X-direction movement mechanism is formed; the drag plate is provided with a Y-direction sliding table, the moving of the Y-direction sliding table is controlled by the screw rod and a nut mechanism, thus a Y-direction movement mechanism is formed; and the power head is fixed on the Y-direction sliding table, and the rectangular frame is fixed on the high-precision adjustable plugs. The invention also relates to a corresponding field processing method. The device and method disclosed by the invention have the advantages of reasonable structure and scientific design and are suitable to be used for processing the top flanges of CA04 modules of an AP1000 nuclear power station.
Description
Technical field
The present invention relates to on-the-spot process unit of a kind of nuclear reactor top Flange Plane high accuracy and on-the-spot processing method.
Background technology
AP1000 nuclear power heap type is the state-of-the-art in the world third generation nuclear power by the design of U.S. WEC company.AP1000 a large amount of employing modularization building technologies under construction.Whole power station is divided into 4 kinds of module types, and wherein construction module is 122,154 of pipeline modules, 55 of plant equipment modules, 11 of electrical equipment module.But the modularization building technology makes the completion time of project of AP1000 foreshorten to 60 months.
But some on-the-spot processing is essential, as the bracing or strutting arrangement of reactor critical component pressure vessel---and CA04 module top flange.This flange diameter reaches 6.6 meters, is positioned at containment top high more than 9 meters, and its plane processing plane degree requires to be no more than 0.127mm for error, if in the workshop, carry out Milling Process in advance, can produce distortion after lifting, the welding, flatness is overproof, must not reach designing requirement.Therefore Flange Plane last finish-milling in CA04 module top is cut operation and can only be carried out at the construction field (site) after lifting, welding finish.
Three nuclear power projects are first reactor projects of AP1000 heap type, and CA04 module top Flange Plane difficulty of processing is big, the risk height, the job site is narrow, environment is narrow and small, and do not have any ready-made equipment, data can be for utilizing and with reference to template.Three nuclear power whole world bid processes, a plurality of companies such as Korea S, the U.S., Singapore successively beat a retreat in the face of difficulties.This technical barrier is not as breaking through, and whole nuclear power construction project will have to stagnate.
Summary of the invention
The technical problem to be solved in the present invention is how to fill up the above-mentioned blank of prior art, and on-the-spot process unit of a kind of nuclear reactor top Flange Plane high accuracy and on-the-spot processing method are provided.
For solving the problems of the technologies described above, Flange Plane high accuracy on-the-spot process unit in this nuclear reactor top comprises unit head, this unit head contains Z to motion, cutter spindle and milling drive motors, it is characterized in that: it also comprises rectangular, planker and at least three adjustable chocks of high accuracy, this rectangular be provided with two X to guide rail and X to leading screw, described planker is arranged on X on guide rail, is fixed on the planker to screw to the X that leading screw cooperates with X, forms the X motion; Described planker is provided with Y to slide unit, and this Y moves by leading screw, screw mechanism controls to slide unit, forms the Y motion, and described unit head is fixed on Y on slide unit, and described rectangular is pressed on the adjustable chock of high accuracy.
Traditional design is that workpiece is fixed on the lathe, by constantly moving, adjusting workpiece, finishes Milling Process; Anti-its road of the present invention and going is fixed on lathe on the parallel flange position, nuclear reactor top, and the unit head of mobile lathe is finished Milling Process.The adjustable chock of the high accuracy of setting up can accurately be adjusted to quite high level with the on-the-spot process unit of nuclear reactor of the present invention top Flange Plane high accuracy, guarantees that Milling Process reaches designing requirement.
As optimization, be fixed with on the described planker Y to guide rail and Y to screw, described Y is arranged on Y on guide rail to slide unit, which is provided with a rotating Y to screw mandrel, this Y passes Y to screw to screw mandrel.So design, Y moves to slide unit in company with Y to screw mandrel, and volume is compacter, and structure is more stable.
As optimization, described X is provided with adjusting handle to leading screw one end; Its other end is provided with travel driving motor, and this travel driving motor drives X to leading screw by reducing gear, and described Y is provided with adjusting handle to the leading screw outer end.So design is easy to operate.
As optimization, the adjustable chock of described high accuracy comprises pedestal, regulates leading screw and slide block, wherein pedestal is provided with screwed hole, this screwed hole cooperates with adjusting leading screw external screw thread, regulates the leading screw outer end and is provided with the card division, is provided with the neck annular groove between card division and the external screw thread, described slide block is provided with U-lag, the neck annular groove snaps in the U-lag, and slide block is pressed on the pedestal, and the two contact-making surface is domatic.So design is simple in structure, easy to adjust, by fine setting, can reach very high flatness.
As optimization, it also comprises generous, is furnished with four generous interim stand-offs for this generous, and its four jiaos respectively cut a right angled triangle, and its catercorner length of excision back equals the distance between the nuclear reactor opposed inner walls; Are furnished with a plurality of rectangular interim stand-offs for described rectangular.So design is convenient to install.
As optimization, it also comprises electric cabinet, is provided with the PLC programme control circut in this electric cabinet, can manually automatic change between the crawl state, and the directions X speed of travel is adjusted.So design, control operation is convenient.
As optimization, also be provided with spindle squaring device on the described unit head, so as to adjusting the perpendicularity of cutter spindle and surface of the work.So design is more accurate.
The invention still further relates to the on-the-spot processing method of AP1000 nuclear power station nuclear reactor CA04 module top flange, comprise the steps:
1., Flange Plane high accuracy on-the-spot process unit in nuclear reactor of the present invention top is transported to the scene;
2., on the relevant position of AP1000 nuclear power station nuclear reactor CA04 module inwall four generous interim stand-offs of welding, the position is corresponding with generous four jiaos, welds rectangular interim stand-off above it on the relevant position;
3., on generous interim stand-off and rectangular interim stand-off, install the adjustable chock of high accuracy additional, lift the on-the-spot process unit of this nuclear reactor top Flange Plane high accuracy, make its rectangular to be pressed on the adjustable chock of described high accuracy, and a Flange Plane to be processed of close AP1000 nuclear power station nuclear reactor CA04 module top flange;
4., with high-precision laser horizontal checkout instrument, detect once every a segment distance (as 200mm) on guide rail at two X, and, regulate the adjustable chock of described high accuracy repeatedly according to detection architecture, transfer to the height level until the on-the-spot process unit of this nuclear reactor top Flange Plane high accuracy;
5., with between generous and generous the interim stand-off, between rectangular interim stand-off and the adjustable chock of high accuracy, between the adjustable chock of high accuracy and rectangular, fix with fastening bolt respectively;
6., connect power supply, install cutter additional, regulate spindle squaring device, make cutter spindle perpendicular to Flange Plane to be processed, start the on-the-spot process unit of this nuclear reactor top Flange Plane high accuracy, can begin milling plate to be processed;
7., process a Flange Plane to be processed after, be offset to the next position, repeat aforementioned the 3.～6. step operation, until with all Flange Plane millings to be processed to design standard;
8., at last, Flange Plane high accuracy on-the-spot process unit in nuclear reactor top is hung out nuclear reactor, and remove generous interim stand-off and rectangular interim stand-off.
Through experiment confirm, use the inventive method, the milling plane degree error of using the on-the-spot process unit of nuclear reactor of the present invention top Flange Plane high accuracy scene to process is no more than 0.10mm, can meet design requirement fully.
That the present invention has is rational in infrastructure, the advantage of design science, can carry out work such as on-the-spot milling, boring on various main equipments, is particularly suitable for being used to process the various used in nuclear power station nuclear reactors top flange that comprises the AP1000 nuclear power station.
Description of drawings
Below in conjunction with accompanying drawing on-the-spot process unit of this nuclear reactor top Flange Plane high accuracy and on-the-spot processing method are described further:
Fig. 1 is the structural representation (not containing the adjustable chock of high accuracy) of the on-the-spot process unit of this nuclear reactor top Flange Plane high accuracy;
Fig. 2 is the structural representation of the adjustable chock of high accuracy;
Fig. 3 is the structural representation of slide block disengaged position in the adjustable chock of high accuracy shown in Figure 2;
Fig. 4 is the working state schematic representation of site of deployment processing nuclear reactor top flange.
Among the figure: 1 is unit head, 2 is cutter spindle, 3 are the milling drive motors, 4 is rectangular, 5 is planker, 6 is the adjustable chock of high accuracy, 7 is that X is to guide rail, 8 is that X is to leading screw, 9 is that Y is to slide unit, 10 is that Y is to screw mandrel, 11 is adjusting handle, 12 is travel driving motor, 13 is pedestal, 14 is slide block, 15 for regulating leading screw, 16 is the card division, 17 is the neck annular groove, 18 is generous, 19 is electric cabinet, 20 is generous interim stand-off, 21 is rectangular interim stand-off, 22 is nuclear reactor safety shell inner layer steel plate, 23 is the Flange Plane to be processed on the flange of nuclear reactor top.
The specific embodiment
Embodiment one: shown in Fig. 1-4, Flange Plane high accuracy on-the-spot process unit in this nuclear reactor top comprises unit head 1, this unit head 1 contains Z to motion, cutter spindle 2 and milling drive motors 3, it is characterized in that: it also comprises rectangular 4, planker 5 and at least three adjustable chocks 6 of high accuracy, this rectangular 4 be provided with two X to guide rail 7 and X to leading screw 8, described planker 5 is arranged on X on guide rail 7, be fixed on the planker to screw to the X that leading screw 8 cooperates with X, form the X motion.Described planker 5 is provided with Y to slide unit 9, and this Y moves by leading screw, screw mechanism controls to slide unit 9, forms the Y motion, and described unit head 1 is fixed on Y on slide unit 9, and described rectangular 4 is fixed on the adjustable chock 6 of high accuracy.
Be fixed with on the described planker 5 Y to guide rail and Y to screw, described Y is arranged on Y on guide rail to slide unit 9, which is provided with a rotating Y to screw mandrel 10, this Y passes Y to screw to screw mandrel 10.
Described X is provided with adjusting handle 11 to leading screw 8 one ends; Its other end is provided with travel driving motor 12, and this travel driving motor 12 drives X to leading screw 8 by reducing gear, and described Y also is provided with adjusting handle 11 to leading screw 10 outer ends.
The adjustable chock of described high accuracy comprises pedestal 13, slide block 14 and regulates leading screw 15, wherein pedestal 13 is provided with screwed hole, this screwed hole cooperates with adjusting leading screw 15 external screw threads, regulate leading screw 15 outer ends and be provided with card division 16, be provided with neck annular groove 17 between card division 16 and the external screw thread, described slide block 14 is provided with U-lag, and neck annular groove 17 snaps in the U-lag, slide block 14 is pressed on the pedestal 13, and the two contact-making surface is domatic.
The present invention also comprises generous 18 and electric cabinet 19, is furnished with four generous interim stand-offs 20 for wherein generous 18, and its four jiaos respectively cut a right angled triangle, and its catercorner length of excision back equals the distance between the nuclear reactor opposed inner walls; Are furnished with eight rectangular interim stand-offs 21 for described rectangular 4.Be provided with the PLC programme control circut in the electric cabinet 18, can manually automatic change between the crawl state.
Also be provided with spindle squaring device on the described unit head 1, so as to adjusting the perpendicularity of cutter spindle 2 and surface of the work, slightly.
Flange Plane high accuracy on-the-spot process unit in application of aforementioned nuclear reactor top carries out the scene to nuclear reactor top flange and adds man-hour, carries out according to following step:
1., Flange Plane high accuracy on-the-spot process unit in nuclear reactor of the present invention top is transported to the scene;
2., on the relevant position of AP1000 nuclear power station nuclear reactor CA04 module inwall four generous interim stand-offs 20 of welding, the position is corresponding with generous 18 4 jiaos, welds rectangular interim stand-off 21 above it on the relevant position;
3., on generous interim stand-off 20 and rectangular interim stand-off 21, install the adjustable chock 6 of high accuracy additional, lift the on-the-spot process unit of this nuclear reactor top Flange Plane high accuracy, make its rectangular 4 to be pressed on the adjustable chock 6 of described high accuracy, and a Flange Plane 23 to be processed of close AP1000 nuclear power station nuclear reactor CA04 module top flange;
4., with high-precision laser horizontal checkout instrument, detect once every a segment distance on guide rail 7 at two X, and, regulate the adjustable chock of described high accuracy repeatedly according to detection architecture, until Flange Plane high accuracy on-the-spot process unit in this nuclear reactor top is transferred to the height level;
5., with between generous 18 and generous the interim stand-off 20, between rectangular interim stand-off 21 and the adjustable chock 6 of high accuracy, between high accuracy is adjustable chock 6 and rectangular 4, fix with fastening bolt respectively;
6., connect power supply, install cutter additional, regulate spindle squaring device, make cutter spindle 2 perpendicular to Flange Plane 23 to be processed, start the on-the-spot process unit of this nuclear reactor top Flange Plane high accuracy, can begin milling Flange Plane 23 to be processed;
7., process a Flange Plane to be processed after, be offset to the next position, repeat aforementioned the 3.～6. step operation, until with all Flange Plane millings to be processed to design standard;
8., at last, Flange Plane high accuracy on-the-spot process unit in nuclear reactor top is hung out nuclear reactor, and remove generous interim stand-off 20 and rectangular interim stand-off 21.
If desired, can also on generous 18, install the adjustable chock 6 of high accuracy additional, provide more supports for rectangular 4.
Claims (8)
1. on-the-spot process unit of nuclear reactor top Flange Plane high accuracy, comprise unit head, this unit head contains Z to motion, cutter spindle and milling drive motors, it is characterized in that: it also comprises rectangular, planker and at least three adjustable chocks of high accuracy, this rectangular be provided with two X to guide rail and X to leading screw, described planker is arranged on X on guide rail, is fixed on the planker to screw to the X that leading screw cooperates with X, forms the X motion; Described planker is provided with Y to slide unit, and this Y moves by leading screw, screw mechanism controls to slide unit, forms the Y motion, and described unit head is fixed on Y on slide unit, and described rectangular is fixed on the adjustable chock of high accuracy.
2. the on-the-spot process unit of nuclear reactor as claimed in claim 1 top Flange Plane high accuracy, it is characterized in that: be fixed with on the described planker Y to guide rail and Y to screw, described Y is arranged on Y on guide rail to slide unit, which is provided with a rotating Y to screw mandrel, and this Y passes Y to screw to screw mandrel.
3. the on-the-spot process unit of nuclear reactor as claimed in claim 2 top Flange Plane high accuracy, it is characterized in that: described X is provided with adjusting handle to leading screw one end; Its other end is provided with travel driving motor, and this travel driving motor drives X to leading screw by reducing gear, and described Y is provided with adjusting handle to the leading screw outer end.
4. as claim 1 or the on-the-spot process unit of 2 or 3 described nuclear reactor top Flange Plane high accuracy, it is characterized in that: described high accuracy adjustable gag comprises pedestal, regulates leading screw and slide block, wherein pedestal is provided with screwed hole, this screwed hole cooperates with adjusting leading screw external screw thread, regulates the leading screw outer end and is provided with the card division, is provided with the neck annular groove between card division and the external screw thread, described slide block is provided with U-lag, the neck annular groove snaps in the U-lag, and slide block is pressed on the pedestal, and the two contact-making surface is domatic.
5. the on-the-spot process unit of nuclear reactor as claimed in claim 4 top Flange Plane high accuracy, it is characterized in that: it also comprises generous, are furnished with four generous interim stand-offs for this generous, its four jiaos respectively cut a right angled triangle, and its catercorner length of excision back equals the distance between the nuclear reactor opposed inner walls; Are furnished with a plurality of rectangular interim stand-offs for described rectangular.
6. the on-the-spot process unit of nuclear reactor as claimed in claim 5 top Flange Plane high accuracy, it is characterized in that: it also comprises electric cabinet, is provided with the PLC programme control circut in this electric cabinet.
7. Flange Plane high accuracy on-the-spot process unit in nuclear reactor as claimed in claim 6 top is characterized in that: also be provided with spindle squaring device on the described unit head, so as to adjusting the perpendicularity of cutter spindle and surface of the work.
8. 1. the on-the-spot processing method of AP1000 nuclear power station nuclear reactor CA04 module top flange comprises the steps:, claim 6 or the on-the-spot process unit of 7 described nuclear reactor top Flange Plane high accuracy is transported to the scene;
2., on the relevant position of AP1000 nuclear power station nuclear reactor CA04 module inwall four generous interim stand-offs of welding, the position is corresponding with generous four jiaos, welds rectangular interim stand-off above it on the relevant position;
3., on generous interim stand-off and rectangular interim stand-off, install the adjustable chock of high accuracy additional, lift the on-the-spot process unit of this nuclear reactor top Flange Plane high accuracy, make its rectangular to be pressed on the adjustable chock of described high accuracy, and a Flange Plane to be processed of close AP1000 nuclear power station nuclear reactor CA04 module top flange;
4., with high-precision laser horizontal checkout instrument, detect once every a segment distance on guide rail at two X, and, regulate the adjustable chock of described high accuracy repeatedly according to detection architecture, until Flange Plane high accuracy on-the-spot process unit in this nuclear reactor top is transferred to the height level;
5., with between generous and generous the interim stand-off, between rectangular interim stand-off and the adjustable chock of high accuracy, between the adjustable chock of high accuracy and rectangular, fix with fastening bolt respectively;
6., connect power supply, install cutter additional, regulate spindle squaring device, make cutter spindle perpendicular to Flange Plane to be processed, start the on-the-spot process unit of this nuclear reactor top Flange Plane high accuracy, can begin milling Flange Plane to be processed;
7., process a Flange Plane to be processed after, move to the next position, repeat aforementioned the 3.～6. step operation, until with all Flange Plane millings to be processed to design standard;
8., at last, Flange Plane high accuracy on-the-spot process unit in nuclear reactor top is hung out nuclear reactor, and remove generous interim stand-off and rectangular interim stand-off.
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| CN 201110042607 CN102172781B (en) | 2011-01-31 | 2011-01-31 | High-precision plane field processing device and field processing method for top flanges for nuclear reactors |
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| CN 201110042607 CN102172781B (en) | 2011-01-31 | 2011-01-31 | High-precision plane field processing device and field processing method for top flanges for nuclear reactors |
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| CN102172781B CN102172781B (en) | 2013-06-05 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464814A (en) * | 2012-06-07 | 2013-12-25 | 常州阖闾换热器有限公司 | Method for processing waist shaped flanges |
| CN104354047A (en) * | 2014-05-06 | 2015-02-18 | 兰州兰石重型装备股份有限公司 | Machining device for flange sealing surface |
| CN104827313A (en) * | 2014-12-31 | 2015-08-12 | 武汉国威重型机床股份有限公司 | Processing platform and method for support block in reactor pressure vessel body |
| CN106068172A (en) * | 2014-10-22 | 2016-11-02 | 金星基 | Portable horizontal cutting machine |
| CN109894658A (en) * | 2019-04-28 | 2019-06-18 | 佛山职业技术学院 | A kind of live milling equipment of guide-track groove |
| CN110385659A (en) * | 2019-07-23 | 2019-10-29 | 赖海东 | Fixed clamping device is used in a kind of processing of metal processing piece |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020257A (en) * | 2007-02-14 | 2007-08-22 | 吉林名门风电设备有限公司 | Moving cutting method and apparatus for large aperture workpiece |
| CN101844319A (en) * | 2010-05-21 | 2010-09-29 | 上海浦东新创机械有限公司 | Large mobile field processing equipment |
| CN101862847A (en) * | 2010-05-12 | 2010-10-20 | 中南大学 | Large movable machining miller device for on-site repair of cylinder and body jointing surface of steam turbine |
| CN201618877U (en) * | 2010-01-22 | 2010-11-03 | 浙江巨龙自动化设备有限公司 | Turntable-type super-huge flange face cutting device |
| KR20110069218A (en) * | 2009-12-17 | 2011-06-23 | 강신복 | A chamfering machine for pipe |
| CN201994081U (en) * | 2011-01-31 | 2011-09-28 | 浙江巨龙自动化设备有限公司 | High-precision in-site processing equipment for flange plane on top of nuclear reactor |
-
2011
- 2011-01-31 CN CN 201110042607 patent/CN102172781B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101020257A (en) * | 2007-02-14 | 2007-08-22 | 吉林名门风电设备有限公司 | Moving cutting method and apparatus for large aperture workpiece |
| KR20110069218A (en) * | 2009-12-17 | 2011-06-23 | 강신복 | A chamfering machine for pipe |
| CN201618877U (en) * | 2010-01-22 | 2010-11-03 | 浙江巨龙自动化设备有限公司 | Turntable-type super-huge flange face cutting device |
| CN101862847A (en) * | 2010-05-12 | 2010-10-20 | 中南大学 | Large movable machining miller device for on-site repair of cylinder and body jointing surface of steam turbine |
| CN101844319A (en) * | 2010-05-21 | 2010-09-29 | 上海浦东新创机械有限公司 | Large mobile field processing equipment |
| CN201994081U (en) * | 2011-01-31 | 2011-09-28 | 浙江巨龙自动化设备有限公司 | High-precision in-site processing equipment for flange plane on top of nuclear reactor |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103464814A (en) * | 2012-06-07 | 2013-12-25 | 常州阖闾换热器有限公司 | Method for processing waist shaped flanges |
| CN104354047A (en) * | 2014-05-06 | 2015-02-18 | 兰州兰石重型装备股份有限公司 | Machining device for flange sealing surface |
| CN106068172A (en) * | 2014-10-22 | 2016-11-02 | 金星基 | Portable horizontal cutting machine |
| CN104827313A (en) * | 2014-12-31 | 2015-08-12 | 武汉国威重型机床股份有限公司 | Processing platform and method for support block in reactor pressure vessel body |
| CN109894658A (en) * | 2019-04-28 | 2019-06-18 | 佛山职业技术学院 | A kind of live milling equipment of guide-track groove |
| CN110385659A (en) * | 2019-07-23 | 2019-10-29 | 赖海东 | Fixed clamping device is used in a kind of processing of metal processing piece |
| CN110385659B (en) * | 2019-07-23 | 2021-04-13 | 赖海东 | Fixed clamping device for machining metal workpieces |
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|---|---|
| CN102172781B (en) | 2013-06-05 |
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Address after: 317100 Haiyou Town, Sanmen County, Taizhou City, Zhejiang Province (Shatianyang Development Zone) Co-patentee after: China Nuclear Industry Fifth Construction Co., Ltd. Patentee after: Zhejiang Julong Automation Equipment Co., Ltd. Address before: 317100 Haiyou Town, Sanmen County, Taizhou City, Zhejiang Province (Shatianyang Development Zone) Co-patentee before: China Nuclear Industry Fifth Construction Co., Ltd. Patentee before: Jiangsu Great Dragon Automation Equipment Co., Ltd. |