CN108257696A - A kind of device for upper pipe seat of fuel component compression assembling and measurement - Google Patents
A kind of device for upper pipe seat of fuel component compression assembling and measurement Download PDFInfo
- Publication number
- CN108257696A CN108257696A CN201611241449.2A CN201611241449A CN108257696A CN 108257696 A CN108257696 A CN 108257696A CN 201611241449 A CN201611241449 A CN 201611241449A CN 108257696 A CN108257696 A CN 108257696A
- Authority
- CN
- China
- Prior art keywords
- tube socket
- pulling claw
- upper tube
- positioning
- screw rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- General Physics & Mathematics (AREA)
- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The present invention relates to fuel assembly manufacturing technology fields, and in particular to a kind of for upper pipe seat of fuel component compression assembling and the device measured.When being compressed to upper tube socket, support supplementary structure from upper tube socket upper end is packed into first, block plate is made to resist the guiding pipe clamp pipe in tube socket, the lifting lug of tube socket side is blocked in positioning；Then pulling claw is hooked to the fabrication hole of upper tube socket wing plate, ball will be positioned again to be put into the location hole of positioning disk center processing, rotate screw rod, upper tube socket, is then arranged on V-type stent by the compression of tube socket in realization, makes it close to cluster component guide pipe nozzle, then upper tube socket is pushed into guide pipe, assembling is completed, barrier slides then will be measured and extremely be fitted closely with upper tube socket upper surface, the linear measure longimetry in tube socket direction in completion.This invention simplifies operating process, improve reliability, reduce security risk when length component measures.
Description
Technical field
The present invention relates to fuel assembly manufacturing technology fields, and in particular to one kind is for upper pipe seat of fuel component compression assembling
And the device measured.
Background technology
It needs first to compress the spring of upper tube socket when assembling fuel assembly, upper tube socket is then placed horizontally at support
On frame, slipper bracket makes it be assembled into fuel assembly with other components, after completing assembling, and measures the length in upper tube socket direction
Reading utilizes the length for comparing measuring method and learning fuel assembly.
Existing compression set and measuring device easily make spring built in tube socket occur to squeeze inclined phenomenon in compression, easily make
Into cylinder difference axis inside and outside in horizontal compression, cylinder scratches phenomenon inside and outside generation；And at the existing entire platform of measurement method
The linear measure longimetry of upper tube socket direction is carried out in being tilted a certain angle, due to upper tube socket heavier-weight during measurement, and in inclined direction,
Upper tube socket easily collapses a phenomenon, and measurement error is caused to increase, and component is in heeling condition during measurement, has the larger safety hidden
Suffer from.
Invention content
For the above-mentioned prior art, the present invention will provide a kind of for upper pipe seat of fuel component compression assembling and the dress measured
It puts, to compress and assemble when solving the problems, such as upper pipe seat of fuel component assembling.
In order to solve the above-mentioned technical problem, the present invention is a kind of for upper pipe seat of fuel component compression assembling and the dress measured
It puts, including support supplementary structure and compression tooling structure；
The support supplementary structure includes positioning disk, and adjusting screw rod, block plate, fabrication hole, location hole and positioning block；
Positioning disk and block plate are disc structure, and positioning disk is connected with block plate by adjusting screw rod；
3 threaded holes being triangularly arranged are processed on positioning disk, threaded hole coordinates with adjusting screw rod；
Positioning disk center is machined with location hole, and location hole is blind hole；
Positioning card is provided on positioning disk side, positioning card, which is directed toward on block plate direction, protrusion；
The multiple fabrication holes of remaining Space processing of positioning disk, fabrication hole are through-hole；
The compression tooling structure includes screw rod, and latch spoon positions ball, fixed pulling claw, movable pulling claw and standing screw；
Latch spoon is rod-like structure, and latch spoon center is threaded through-hole, and tapped through hole coordinates with screw rod；
Latch spoon lower end is connect with fixed pulling claw one end, and fixed pulling claw and latch spoon vertical connection, fixed pulling claw is rod-like structure,
The fixed pulling claw other end is provided with 2 standing screws；
Latch spoon upper end is connect with movable pulling claw one end, and movable pulling claw is flexibly connected with latch spoon, and movable pulling claw is rod-like structure,
The movable pulling claw other end is provided with 2 standing screws；
Fixed pulling claw and movable pulling claw are arranged on the homonymy of latch spoon；
Screw rod is provided with positioning ball with fixed pulling claw one end.
Further, when being compressed to upper tube socket, support supplementary structure is packed into from upper tube socket upper end first, adjustment is adjusted
The length of screw rod, makes block plate resist the guiding pipe clamp pipe in tube socket, and the lifting lug of tube socket side is blocked in positioning；
Then 2 standing screws of fixed pulling claw free end setting are hooked to the fabrication hole of upper tube socket wing plate side, then will
2 standing screws of movable pulling claw free end setting hook the fabrication hole of tube socket wing plate opposite side, then positioning ball is put into and is determined
In the location hole of position disk center processing, screw rod is rotated, the compression of tube socket in realization.
Further, which further includes V-type stent, tube socket supporting table, platform and supporting table guide rail；
Platform is arranged on machine-tool platform, is arranged in parallel 2 supporting table guide rails on platform, and tube socket supporting table is along supporting table guide rail
It slides, V-type stent is set in tube socket supporting table, V-type stent is supporting upper tube socket.
Further, by the upper tube socket compressed together with support supplementary structure and compression tooling structure setting on V-type stent,
Mobile compressed upper tube socket is slided by supporting table guide rail, makes it close to cluster component guide pipe nozzle, then by upper tube socket
It is pushed into guide pipe, completes assembling.
Further, which further includes measurement baffle, auxiliary scale, main scale and measurement baffle guide rail；
It is additionally provided on platform and measures baffle guide rail, measure baffle guide rail with supporting table guide rail in same level, survey
It measures baffle and is slided along baffle guide rail is measured, measuring baffle can fit closely with upper tube socket upper surface；
It measures and is provided with main scale on baffle, auxiliary scale is provided on main scale.
Further, after upper tube socket is completed to assemble, remove support supplementary structure and compression tooling structure, baffle will be measured and slided
It moves to upper tube socket upper surface and fits closely, then coordinated by main scale and auxiliary scale, the linear measure longimetry in tube socket direction in completion.
The advantageous effect that technical solution provided in an embodiment of the present invention is brought is：
The present invention is a kind of for upper pipe seat of fuel component compression assembling and the device measured, and measuring device measures upper tube socket side
Horizontality is in component during length, platform no longer needs to tilt, and reduces safe operation risk, and length component measures
When, V-type stent can effectively be supported upper tube socket, avoid since tube socket upper when component the tilts head that collapses causes to measure baffle
The phenomenon that cannot being fitted close with end face, increasing measurement error.
The present invention is a kind of to simplify operating process for upper pipe seat of fuel component compression assembling and the device measured, improves
Reliability reduces security risk when length component measures.
Description of the drawings
Fig. 1 is that the present invention is a kind of for upper pipe seat of fuel component compression assembling and the schematic device measured；
Fig. 2 compresses schematic diagram for upper pipe seat of fuel component；
Fig. 3 is a kind of support supplementary structure schematic diagram of the present invention；
Fig. 4 is a kind of compression tooling structure diagram of the present invention；
Fig. 5 is a kind of measurement structural representation of the present invention；
In figure：1- machine-tool platforms, 2-V type stents, the upper tube sockets of 3-, 4- tube socket supporting tables, 5- platforms, 6- supporting table guide rails, 7-
Support supplementary structure, 8- compression tooling structures, 9- measurement baffles, 10- auxiliary scales, 11- main scales, 12- measure baffle guide rail, and 701- is fixed
Position disk, 702- adjusting screw rods, 703- block plates, 704- fabrication holes, 705- location holes, 706- positioning cards, 801- screw rods, 802- pawls
Handle, 803- positioning balls, 804- fix pulling claw, 805- activity pulling claws, 806- standing screws.
Specific embodiment
It elaborates with reference to the accompanying drawings and detailed description to the present invention.
As shown in Figures 1 to 5, a kind of device for upper pipe seat of fuel component compression assembling and measurement of the present invention, including
Support supplementary structure 7 and compression tooling structure 8；
The support supplementary structure 7 includes positioning disk 701, adjusting screw rod 702, block plate 703, fabrication hole 704, location hole
705 block 706 with positioning；
Positioning disk 701 and block plate 703 are disc structure, and positioning disk 701 and block plate 703 are connected by adjusting screw rod 702；
3 threaded holes being triangularly arranged are processed on positioning disk 701, threaded hole coordinates with adjusting screw rod 702；
701 center of positioning disk is machined with location hole 705, and location hole 705 is blind hole；
Positioning card 706 is provided on 701 side of positioning disk, positioning card has protrusion on 706 703 direction of direction block plate；
The multiple fabrication holes 704 of remaining Space processing of positioning disk 701, fabrication hole 704 are through-hole；
The compression tooling structure 8 includes screw rod 801, and latch spoon 802 positions ball 803, fixed pulling claw 804, movable pulling claw
805 and standing screw 806；
Latch spoon 802 is rod-like structure, and 802 center of latch spoon is threaded through-hole, and tapped through hole coordinates with screw rod 801；
802 lower end of latch spoon is connect with fixed 804 one end of pulling claw, fixed pulling claw 804 and 802 vertical connection of latch spoon, fixed to draw
Pawl 804 is rod-like structure, and fixed 804 other end of pulling claw is provided with 2 standing screws 806；
802 upper end of latch spoon is connect with movable 805 one end of pulling claw, and movable pulling claw 805 is flexibly connected with latch spoon 802, and activity is drawn
Pawl 805 is rod-like structure, and movable 805 other end of pulling claw is provided with 2 standing screws 806；
Fixed pulling claw 804 and movable pulling claw 805 are arranged on the homonymy of latch spoon 802；
Screw rod 801 is provided with positioning ball 803 with fixed 804 one end of pulling claw；
When being compressed to upper tube socket 3, support supplementary structure from upper 3 upper end of tube socket is packed into first, adjusts adjusting screw rod
702 length makes block plate 703 resist the guiding pipe clamp pipe in tube socket 3, prevents card pipe during compression from moving, causes spring distortion,
Positioning card 706 blocks the lifting lug of 3 side of tube socket, prevents that the relatively upper tube socket 3 of supplementary structure is supported circumference occur in compression process
Movement；
Then the technique for 2 standing screws 806 of fixed 804 free end of pulling claw setting being hooked into upper 3 wing plate side of tube socket
Hole, then 2 standing screws 806 that movable 805 free end of pulling claw is set hook the fabrication hole of upper 3 wing plate opposite side of tube socket, then
Ball 803 will be positioned to be put into the location hole 705 of 701 center of positioning disk processing, rotation screw rod 801, the compression of tube socket 3 in realization.
The present invention is a kind of for upper pipe seat of fuel component compression assembling and the device measured, further includes V-type stent 2, tube socket
Supporting table 4, platform 5 and supporting table guide rail 6；
Platform 5 is arranged on machine-tool platform 1, and 2 supporting table guide rails 6 are arranged in parallel on platform 5, and tube socket supporting table 4 can be along branch
Support platform guide rail 6 slides, and sets V-type stent 2 in tube socket supporting table 4, and V-type stent 2 is supporting upper tube socket 3；
The upper tube socket 3 compressed is arranged on together with support supplementary structure 7 and compression tooling structure 8 on V-type stent 2, profit
It is slided to move compressed upper tube socket 3 with supporting table guide rail 6, makes it close to cluster component guide pipe nozzle, then by upper tube
Seat 3 is pushed into guide pipe, completes assembling.
The present invention is a kind of for upper pipe seat of fuel component compression assembling and the device measured, further includes and measures baffle 9, auxiliary scale
10, main scale 11 and measure baffle guide rail 12；
It is additionally provided on platform 5 and measures baffle guide rail 12, measure baffle guide rail 12 with supporting table guide rail 6 in same level
On, measuring baffle 9 can slide along baffle guide rail 12 is measured, and can be fitted closely with ensureing to measure baffle 9 with upper 3 upper surface of tube socket,
To ensure measurement accuracy；
It measures and is provided with main scale 11 on baffle 9, auxiliary scale 10 is provided on main scale 11；
After upper tube socket 3 is completed to assemble, remove support supplementary structure 7 and compression tooling structure 8, baffle 9 will be measured and slided
To being fitted closely with upper 3 upper surface of tube socket, then coordinated by main scale 11 and auxiliary scale 10, the length in 3 direction of tube socket is surveyed in completion
Amount.
Claims (6)
- It is 1. a kind of for upper pipe seat of fuel component compression assembling and the device measured, which is characterized in that the device includes supporting auxiliary Help structure and compression tooling structure；The support supplementary structure includes positioning disk, and adjusting screw rod, block plate, fabrication hole, location hole and positioning block；Positioning disk and block plate are disc structure, and positioning disk is connected with block plate by adjusting screw rod；3 threaded holes being triangularly arranged are processed on positioning disk, threaded hole coordinates with adjusting screw rod；Positioning disk center is machined with location hole, and location hole is blind hole；Positioning card is provided on positioning disk side, positioning card, which is directed toward on block plate direction, protrusion；The multiple fabrication holes of remaining Space processing of positioning disk, fabrication hole are through-hole；The compression tooling structure includes screw rod, and latch spoon positions ball, fixed pulling claw, movable pulling claw and standing screw；Latch spoon is rod-like structure, and latch spoon center is threaded through-hole, and tapped through hole coordinates with screw rod；Latch spoon lower end is connect with fixed pulling claw one end, and fixed pulling claw and latch spoon vertical connection, fixed pulling claw is rod-like structure, fixed The pulling claw other end is provided with 2 standing screws；Latch spoon upper end is connect with movable pulling claw one end, and movable pulling claw is flexibly connected with latch spoon, and movable pulling claw is rod-like structure, movable The pulling claw other end is provided with 2 standing screws；Fixed pulling claw and movable pulling claw are arranged on the homonymy of latch spoon；Screw rod is provided with positioning ball with fixed pulling claw one end.
- 2. a kind of device for upper pipe seat of fuel component compression assembling and measurement according to claim 1, feature exist In, when being compressed to upper tube socket, support supplementary structure from upper tube socket upper end is packed into first, adjusts the length of adjusting screw rod, Block plate is made to resist the guiding pipe clamp pipe in tube socket, the lifting lug of tube socket side is blocked in positioning；Then 2 standing screws of fixed pulling claw free end setting are hooked to the fabrication hole of upper tube socket wing plate side, then will be movable 2 standing screws of pulling claw free end setting hook the fabrication hole of tube socket wing plate opposite side, then positioning ball is put into positioning disk In the location hole of center processing, screw rod is rotated, the compression of tube socket in realization.
- 3. a kind of device for upper pipe seat of fuel component compression assembling and measurement according to claim 1, feature exist In the device further includes V-type stent, tube socket supporting table, platform and supporting table guide rail；Platform is arranged on machine-tool platform, and 2 supporting table guide rails are arranged in parallel on platform, and tube socket supporting table is slided along supporting table guide rail It is dynamic, V-type stent is set in tube socket supporting table, and V-type stent is supporting upper tube socket.
- 4. a kind of device for upper pipe seat of fuel component compression assembling and measurement according to claim 3, feature exist In, by the upper tube socket compressed together with support supplementary structure and compression tooling structure setting on V-type stent, led by supporting table Rail slides mobile compressed upper tube socket, it is made then upper tube socket to be pushed into guide pipe close to cluster component guide pipe nozzle, Complete assembling.
- 5. a kind of device for upper pipe seat of fuel component compression assembling and measurement according to claim 3, feature exist In the device further includes measurement baffle, auxiliary scale, main scale and measurement baffle guide rail；It is additionally provided on platform and measures baffle guide rail, measure baffle guide rail with supporting table guide rail in same level, measurement gear Plate is slided along baffle guide rail is measured, and measuring baffle can fit closely with upper tube socket upper surface；It measures and is provided with main scale on baffle, auxiliary scale is provided on main scale.
- 6. a kind of device for upper pipe seat of fuel component compression assembling and measurement according to claim 5, feature exist In, after upper tube socket is completed to assemble, remove support supplementary structure and compression tooling structure, will measure barrier slides to upper tube socket Upper surface fits closely, and is then coordinated by main scale and auxiliary scale, the linear measure longimetry in tube socket direction in completion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241449.2A CN108257696B (en) | 2016-12-29 | 2016-12-29 | Device for compressing, assembling and measuring upper tube seat of fuel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611241449.2A CN108257696B (en) | 2016-12-29 | 2016-12-29 | Device for compressing, assembling and measuring upper tube seat of fuel assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108257696A true CN108257696A (en) | 2018-07-06 |
| CN108257696B CN108257696B (en) | 2023-08-29 |
Family
ID=62719055
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611241449.2A Active CN108257696B (en) | 2016-12-29 | 2016-12-29 | Device for compressing, assembling and measuring upper tube seat of fuel assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108257696B (en) |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4078967A (en) * | 1976-07-26 | 1978-03-14 | Combustion Engineering, Inc. | Holddown device for nuclear fuel assembly |
| EP0189133A2 (en) * | 1985-01-25 | 1986-07-30 | Westinghouse Electric Corporation | Apparatus and method for preassembling a top nozzle subassembly for a nuclear fuel assembly |
| US4620960A (en) * | 1984-08-27 | 1986-11-04 | Westinghouse Electric Corp. | Method and apparatus for removably mounting a top nozzle on a nuclear reactor fuel assembly |
| CN86101874A (en) * | 1985-03-25 | 1986-11-05 | 西屋电气公司 | Link closely and dismantle the apparatus and method that the head tube nozzle subassembly is used from the fuel assembly that can re-assembly |
| EP0201753A1 (en) * | 1985-05-01 | 1986-11-20 | Westinghouse Electric Corporation | Apparatus for applying and end plug to an end of a nuclear fuel rod tube |
| FR2693825A1 (en) * | 1992-07-20 | 1994-01-21 | Framatome Sa | Nuclear fuel assembly with axial guide tubes - whose upper ends attach to a plate axially slidable inside upper sleeve to accommodate tube deformation |
| US5479464A (en) * | 1994-08-30 | 1995-12-26 | Westinghouse Electric Corporation | Expandable top nozzle and device for securing same to a nuclear fuel assembly |
| WO2005071694A2 (en) * | 2003-12-22 | 2005-08-04 | Areva Np | Core of a nuclear reactor cooled by pressurized water and core fuel assembly |
| CN204242596U (en) * | 2014-11-13 | 2015-04-01 | 中科华核电技术研究院有限公司 | Nuclear reactor core pressing assembly and fuel assembly for nuclear reactor |
| CN204613032U (en) * | 2015-06-02 | 2015-09-02 | 中国核动力研究设计院 | A kind of test unit measuring the distortion of reactor fuel assemblies base |
| CN205406100U (en) * | 2015-12-31 | 2016-07-27 | 中核建中核燃料元件有限公司 | Upper tube base backup pad |
| CN106141989A (en) * | 2016-08-09 | 2016-11-23 | 中国人民解放军第五七二工厂 | A kind of piston attaching/detaching apparatus in pressurized strut |
| CN206421830U (en) * | 2016-12-29 | 2017-08-18 | 中核建中核燃料元件有限公司 | A kind of device that assembling and measurement are compressed for upper pipe seat of fuel component |
-
2016
- 2016-12-29 CN CN201611241449.2A patent/CN108257696B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4078967A (en) * | 1976-07-26 | 1978-03-14 | Combustion Engineering, Inc. | Holddown device for nuclear fuel assembly |
| US4620960A (en) * | 1984-08-27 | 1986-11-04 | Westinghouse Electric Corp. | Method and apparatus for removably mounting a top nozzle on a nuclear reactor fuel assembly |
| EP0189133A2 (en) * | 1985-01-25 | 1986-07-30 | Westinghouse Electric Corporation | Apparatus and method for preassembling a top nozzle subassembly for a nuclear fuel assembly |
| CN86101874A (en) * | 1985-03-25 | 1986-11-05 | 西屋电气公司 | Link closely and dismantle the apparatus and method that the head tube nozzle subassembly is used from the fuel assembly that can re-assembly |
| EP0201753A1 (en) * | 1985-05-01 | 1986-11-20 | Westinghouse Electric Corporation | Apparatus for applying and end plug to an end of a nuclear fuel rod tube |
| FR2693825A1 (en) * | 1992-07-20 | 1994-01-21 | Framatome Sa | Nuclear fuel assembly with axial guide tubes - whose upper ends attach to a plate axially slidable inside upper sleeve to accommodate tube deformation |
| US5479464A (en) * | 1994-08-30 | 1995-12-26 | Westinghouse Electric Corporation | Expandable top nozzle and device for securing same to a nuclear fuel assembly |
| WO2005071694A2 (en) * | 2003-12-22 | 2005-08-04 | Areva Np | Core of a nuclear reactor cooled by pressurized water and core fuel assembly |
| CN204242596U (en) * | 2014-11-13 | 2015-04-01 | 中科华核电技术研究院有限公司 | Nuclear reactor core pressing assembly and fuel assembly for nuclear reactor |
| CN204613032U (en) * | 2015-06-02 | 2015-09-02 | 中国核动力研究设计院 | A kind of test unit measuring the distortion of reactor fuel assemblies base |
| CN205406100U (en) * | 2015-12-31 | 2016-07-27 | 中核建中核燃料元件有限公司 | Upper tube base backup pad |
| CN106141989A (en) * | 2016-08-09 | 2016-11-23 | 中国人民解放军第五七二工厂 | A kind of piston attaching/detaching apparatus in pressurized strut |
| CN206421830U (en) * | 2016-12-29 | 2017-08-18 | 中核建中核燃料元件有限公司 | A kind of device that assembling and measurement are compressed for upper pipe seat of fuel component |
Non-Patent Citations (2)
| Title |
|---|
| 张丽英 等: "TVS-2M燃料组件上管座制造技术研究", 中国核科学技术进展报告（第四卷））, pages 162 - 168 * |
| 郭晓明 等: "VVER型核燃料市场多元化供应现状及启示", 行业观察, no. 6, pages 30 - 34 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108257696B (en) | 2023-08-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109990692B (en) | Flatness detection device for building board machining | |
| CN206073900U (en) | A kind of cast blank flatness checking device of back of the body mode centering machining benchmark | |
| CN105823392A (en) | Automobile auxiliary frame installation point inspection tool | |
| CN205642199U (en) | Utensil is examined to car sub vehicle frame mounting point | |
| CN105135971A (en) | Movable spherical core comprehensive error detecting device supported by double vertical columns | |
| CN209372035U (en) | A kind of measurer for thickness | |
| CN104034478B (en) | The support arrangement that in centroid measurement, ball-and-socket, needling, plane combine | |
| CN203116706U (en) | Steel rail automatic leveling laser detection device | |
| CN108344939B (en) | Online ICT testing arrangement | |
| CN207439363U (en) | Piston face cylindricity detection device | |
| CN209043524U (en) | A kind of adjustment of tubular construction part quality center of mass and detection device | |
| CN206421830U (en) | A kind of device that assembling and measurement are compressed for upper pipe seat of fuel component | |
| CN104676211B (en) | A kind of layering adjustment type self-level(l)ing device | |
| CN208458647U (en) | A kind of automobile gear shifting box synchronizer gear ring conjunction gear chamfer detecting device | |
| CN208458600U (en) | A kind of multinomial one-shot measurement instrument of end surface of bearing ring | |
| CN208384635U (en) | A kind of TOF three-dimensional camera stereo calibration mould group | |
| CN109406054A (en) | A kind of adjustment of tubular construction part quality center of mass and detection device | |
| CN108257696A (en) | A kind of device for upper pipe seat of fuel component compression assembling and measurement | |
| CN107525455A (en) | A kind of instrument and detection method for being exclusively used in machine tool guideway Parallel testing | |
| CN103644809A (en) | Crankshaft stroke measurement device and method | |
| CN203163693U (en) | Workpiece specification automatic detection machine | |
| CN106352841A (en) | Flatness detecting device for elevator skirt panel | |
| CN105486206A (en) | Inner hole and outer diameter coaxiality detecting apparatus and method for spinning machine fake bearing | |
| CN106289643B (en) | The center of gravity measurement tooling of on-circular cross-section product | |
| CN201897448U (en) | Check tool for body-in-white sling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |