CN106737322B - Fuel element lattice frame assembling fixture - Google Patents
Fuel element lattice frame assembling fixture Download PDFInfo
- Publication number
- CN106737322B CN106737322B CN201611262808.2A CN201611262808A CN106737322B CN 106737322 B CN106737322 B CN 106737322B CN 201611262808 A CN201611262808 A CN 201611262808A CN 106737322 B CN106737322 B CN 106737322B
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- column
- fuel element
- assembled plate
- assembling fixture
- cylindrical bar
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
- B25B11/02—Assembly jigs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Furnace Charging Or Discharging (AREA)
Abstract
The present invention relates to screen work package technique fields, specifically disclose fuel element lattice frame assembling fixture, including pedestal, the support rod above pedestal, the assembled plate above support rod and the quick-gripping device being fixedly connected by screw with assembled plate.Apparatus of the present invention can complete band in CAP1400 autonomy-oriented intermediate grid and mixing grillwork, the fixed work of assembling of outer band can quickly rotate and overturn the assembled plate of screen work by adjusting support rod, easy to operate.
Description
Technical field
The invention belongs to screen work package technique fields, and in particular to a kind of fuel element lattice frame assembling fixture.
Background technique
Currently, PWR Fuel element screen work is 17 × 17 square structures, it is mutually inserted by 32 interior bands and forms screen work
It is whole that fuel rod and guide pipe lattice cell, outer band and interior band grafting form screen work.In the fabrication process, it needs to realize 16 to open
The upward interior band of slot is mutually inserted with the interior bands of 16 flutings downwards, fix in position, the fluting that then outer item takes with it is interior
Screen work is formed after 32 tongue piece grafting of strap ends, outer band and adjacent outer band overlap joint.PWR Fuel element screen work by
It is automated in not mixing the wing and just convex, spring interference, it can be achieved that assembling；AP1000 fuel element lattice frame uses assembling fixture
The method of auxiliary；CAP1400 autonomy-oriented screen work is new product, and the country not yet carried out the development work of Related product.
Summary of the invention
The purpose of the present invention is to provide a kind of fuel element lattice frame assembling fixture, realizes quickly assembling intermediate grid and stir
The operation of mixed screen work.
Technical scheme is as follows:
Fuel element lattice frame assembling fixture, including pedestal, support rod, assembled plate, quick-gripping device；
The pedestal is square plate, opens centre bore in the center of pedestal；
The support rod includes overturning fixed link, cylindrical bar, rotating fixing rod, fastening screw one and fastening screw two,
The top that fixed link is set to cylindrical bar is overturn, cylindrical bar is set to the top of rotating fixing rod, and overturning fixed link passes through with cylindrical bar
Fastening screw one is fixedly connected, and cylindrical bar is fixedly connected with rotating fixing rod by fastening screw two；
Fastening screw one and fastening screw two are respectively used to the rotation of the overturning limit and rotating fixing rod of overturning fixed link
Limit, when screw-driving, overturning fixed link and rotating fixing rod cannot be moved, when screw unclamps, adjustment overturning fixed link
With the direction of rotating fixing rod；
Screw thread is processed respectively on the top of overturning fixed link and the bottom end of rotating fixing rod, and the bottom end of rotating fixing rod is set to
In the centre bore of pedestal；
The support rod is used to rotate and turn over assembled plate, and fixed support assembled plate；
The assembled plate is square plate, processes in the assembled plate identical with screen work lattice cell step pitch linear
Slot, linear groove width are greater than beam thickness, linear groove depth be less than on band bulge-structure most lower edge to band most bottom edge away from
From；Threaded hole is opened up in the center of assembled plate, the cylindrical bar top of support rod is set in the threaded hole；In assembled plate
According to the distribution situation spot-facing of completed knocked down products casing lattice cell, the band that limit has casing lattice cell is accommodated；In the surrounding of assembled plate
One of groove, through-hole are processed, avoids interfering with outer band；It processes in the bottom of assembled plate and matches with quick-gripping device
The hole of conjunction；
The assembled plate supports and limits band in autonomy-oriented intermediate grid and mixing grillwork；
The quick-gripping device clamps outer band, including bottom plate, column and jacking block for assisting；In the bottom plate
It is equipped with dovetail groove, is used for spacing column, through-hole is equipped in dovetail groove, is used for positioning vertical column；Two are additionally provided on bottom plate
Fixation hole, for being fixedly connected by screw with assembled plate；
The column is cylindrical structure, is radially equipped with symmetrical two protrusions, two protrusions point in the bottom of column
In dovetail groove not set on the bottom plate, in the through-hole set on the bottom plate of the bottom end of column, the bottom end of column is directly pulled out out of through-hole
Out, it is equipped with handle on the top of column, the axis of the column is vertical with bottom plate；
The jacking block be set to column top, jacking block is T-type structure, and bottom end is fixedly connected with column side, top and
Outer ribbon contacts are used to support outer band, and the axis of plane and column where the jacking block is orthogonal.
The Thickness range of the pedestal is 20-30mm, and side length value range is 250-350mm.
The centre bore is circular hole or square hole.
The centre bore is through-hole or threaded hole.
The axis of the axis of the cylindrical bar, the axis of fastening screw one and fastening screw two is orthogonal.
On the basis of cylindrical bar, the overturning of -90 °~+90 ° of fixed link of overturning is realized by control fastening screw one, is passed through
Control 360 ° of rotations that fastening screw two realizes rotating fixing rod；
Screw position on the support rod does strengthening process processing.
The Thickness range of the assembled plate is 25-30mm, and side length value is 1.1-1.5 times of grid size.
The width of the linear grooves is 1.1-1.5 times of beam thickness, and the depth of linear grooves is 5mm.
Fuel element lattice frame assembling fixture is assembled suitable for CAP1400 autonomy-oriented screen work, including 17 × 17 structure screen works
Assembling.
Remarkable result of the invention is:
(1) fuel element lattice frame assembling fixture of the present invention, can complete CAP1400 autonomy-oriented intermediate grid and mixing grillwork
The fixed work of assembling of interior band, outer band.
(2) the complete support limit of band may be implemented in the assembled plate in apparatus of the present invention, mitigates band lodging phenomenon.
(3) apparatus of the present invention can quickly rotate and overturn the assembled plate of screen work by adjusting the support device of assembled plate,
It is easy to operate.
(4) good location may be implemented in apparatus of the present invention, and fixed outer band is real according to product type, fixed locational requirement
Now quickly adjustment.
Detailed description of the invention
Fig. 1 is pedestal main view；
Fig. 2 is pedestal top view；
Fig. 3 is support rod main view；
Fig. 4 is support rod top view；
Fig. 5 is assembled plate main view；
Fig. 6 is assembled plate top view；
Fig. 7 is quick-gripping device main view；
Fig. 8 is quick-gripping device top view.
Specific embodiment
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
Fuel element lattice frame assembling fixture as shown in figures 1-8, including pedestal, support rod, assembled plate, fast clamp dress
It sets.
The pedestal is square plate, and the Thickness range of pedestal is 20-30mm, and side length value range is 250-
350mm.Centre bore is opened in the center of pedestal, centre bore is circular hole or square hole, and centre bore is through-hole or threaded hole.
The support rod includes overturning fixed link, cylindrical bar, rotating fixing rod, fastening screw one and fastening screw two,
The top that fixed link is set to cylindrical bar is overturn, cylindrical bar is set to the top of rotating fixing rod, and overturning fixed link passes through with cylindrical bar
Fastening screw one is fixedly connected, and cylindrical bar is fixedly connected with rotating fixing rod by fastening screw two.The axis of the cylindrical bar,
The axis of fastening screw one and the axis of fastening screw two are orthogonal.
Fastening screw one and fastening screw two are respectively used to the rotation of the overturning limit and rotating fixing rod of overturning fixed link
Limit, when screw-driving, overturning fixed link and rotating fixing rod cannot be moved, and when screw unclamps, adjustable overturning is solid
The direction of fixed pole and rotating fixing rod.On the basis of cylindrical bar, by control fastening screw one realize overturning -90 ° of fixed link~+
360 ° of rotations of rotating fixing rod are realized in 90 ° of overturning by control fastening screw two.
Screw thread is processed respectively on the top of overturning fixed link and the bottom end of rotating fixing rod, and the bottom end of rotating fixing rod is set to
In the centre bore of pedestal.The support rod is used to rotate and turn over assembled plate, and fixed support assembled plate.
The screw position does strengthening process processing, guarantees that support rod has enough intensity and hardness.
The assembled plate is square plate, and Thickness range is 25-30mm, adapt to process in plate face wire casing and
The intensity of circular hole, the side length value of assembled plate are 1.1-1.5 times of grid size.
Linear grooves identical with screen work lattice cell step pitch are processed in the assembled plate, it is thick that the width of linear grooves is greater than band
Degree, the depth of linear grooves is less than bulge-structure most lower edge on band and arrives the distance on band most bottom edge, such as sets the width of linear grooves
Degree is 1.1-1.5 times of beam thickness, and the depth of linear grooves is 5mm, be can avoid and interior band is rigid convex interferes.
Threaded hole is opened up in the center of assembled plate, the cylindrical bar top of support rod is set in above-mentioned threaded hole；In group
According to the distribution situation spot-facing of completed knocked down products casing lattice cell in loading board, to accommodate the band that limit has casing lattice cell, if producing
Product do not have casing, then do not process spot-facing；One of groove, through-hole are processed in the surrounding of assembled plate, is allowed to the outer band of product
Position, avoids interfering with outer band；In the hole of the processing of bottom surrounding and quick-gripping device cooperation of assembled plate.
The assembled plate can support and limit band in autonomy-oriented intermediate grid and mixing grillwork.
The quick-gripping device clamps outer band, including bottom plate, column and jacking block for assisting.In the bottom plate
It is equipped with dovetail groove, is used for spacing column, through-hole is equipped in dovetail groove, is used for positioning vertical column.Two are additionally provided on bottom plate
Fixation hole, for being fixedly connected by screw with assembled plate.
The column is cylindrical structure, is radially equipped with symmetrical two protrusions, two protrusions point in the bottom of column
In dovetail groove not set on the bottom plate, in the through-hole set on the bottom plate of the bottom end of column, column can be extracted directly, on the top of column
End is equipped with handle.The axis of the column is vertical with bottom plate.
The jacking block be set to column top, jacking block is T-type structure, and bottom end is fixedly connected with column side, top and
Outer ribbon contacts are used to support outer band.The axis of plane and column where the jacking block is orthogonal.
Fuel assembly screen work assembling fixture of the present invention, assembles for CAP1400 autonomy-oriented screen work, which can assemble
In autonomy-oriented intermediate grid and mixing grillwork when band, play the role of band in support grid, meanwhile, which can
The outer band of cooperation assembling autonomy-oriented screen work, and quickly fixed outer band.At the same time, the assembling fixture be also suitable other 17 × 17
The assembling of structure screen work.It needs to assemble if any 15 × 15 screen works, only needs again the assembled plate of 15 × 15 structure of accessory processing.
Claims (10)
1. fuel element lattice frame assembling fixture, it is characterised in that: including pedestal, support rod, assembled plate, quick-gripping device；
The pedestal is square plate, opens centre bore in the center of pedestal；
The support rod includes overturning fixed link, cylindrical bar, rotating fixing rod, fastening screw one and fastening screw two, overturning
Fixed link is set to the top of cylindrical bar, and cylindrical bar is set to the top of rotating fixing rod, and overturning fixed link and cylindrical bar pass through fastening
Screw one is fixedly connected, and cylindrical bar is fixedly connected with rotating fixing rod by fastening screw two；
Fastening screw one and fastening screw two are respectively used to the rotary stopper of the overturning limit and cylindrical bar of overturning fixed link, work as spiral shell
When nail is tightened, overturning fixed link and cylindrical bar cannot be moved, when screw unclamps, the side of adjustment overturning fixed link and cylindrical bar
To；
Screw thread is processed respectively on the top of overturning fixed link and the bottom end of rotating fixing rod, and the bottom end of rotating fixing rod is set to pedestal
Centre bore in；
The support rod is used to rotate and turn over assembled plate, and fixed support assembled plate；
The assembled plate is square plate, and linear grooves identical with screen work lattice cell step pitch are processed in the assembled plate,
Linear groove width is greater than beam thickness, distance of the linear groove depth less than bulge-structure most lower edge on band to band most bottom edge；
Threaded hole is opened up in the center of assembled plate, the overturning fixed link top of support rod is set in the threaded hole；In assembled plate
On according to the distribution situation spot-facing of completed knocked down products casing lattice cell, accommodate the band that limit has casing lattice cell；The four of assembled plate
One of Zhou Jiagong groove, through-hole avoid interfering with outer band；Processing and quick-gripping device in the bottom of assembled plate
The hole of cooperation；
The assembled plate supports and limits band in autonomy-oriented intermediate grid and mixing grillwork；
The quick-gripping device clamps outer band, including bottom plate, column and jacking block for assisting；It is set on the bottom plate
There is dovetail groove, be used for spacing column, through-hole is equipped in dovetail groove, is used for positioning vertical column；Two fixations are additionally provided on bottom plate
Hole, for being fixedly connected by screw with assembled plate；
The column is cylindrical structure, is radially equipped with symmetrical two protrusions in the bottom of column, two protrusions are set respectively
In in the dovetail groove on bottom plate, in the through-hole set on the bottom plate of the bottom end of column, the bottom end of column is directly extracted out of through-hole,
The top of column is equipped with handle, and the axis of the column is vertical with bottom plate；
The jacking block is set to the top of column, and jacking block is T-type structure, and bottom end is fixedly connected with column side, top and outer item
Band contact is used to support outer band, and the axis of plane and column where the jacking block is orthogonal.
2. fuel element lattice frame assembling fixture as described in claim 1, it is characterised in that: the Thickness range of the pedestal
For 20-30mm, side length value range is 250-350mm.
3. fuel element lattice frame assembling fixture as claimed in claim 2, it is characterised in that: the centre bore is circular hole.
4. fuel element lattice frame assembling fixture as claimed in claim 3, it is characterised in that: the centre bore is threaded hole.
5. fuel element lattice frame assembling fixture as claimed in claim 4, it is characterised in that: the axis of the cylindrical bar, fastening
The axis of screw one and the axis of fastening screw two are orthogonal.
6. fuel element lattice frame assembling fixture as claimed in claim 5, it is characterised in that: on the basis of cylindrical bar, pass through control
Fastening screw one processed realizes the overturning of -90 °~+90 ° of fixed link of overturning, passes through 360 ° that control fastening screw two realizes cylindrical bar
Rotation.
7. fuel element lattice frame assembling fixture as claimed in claim 6, it is characterised in that: the screw position on the support rod
Do strengthening process processing.
8. fuel element lattice frame assembling fixture as claimed in claim 7, it is characterised in that: the Thickness model of the assembled plate
It encloses for 25-30mm, side length value is 1.1-1.5 times of grid size.
9. fuel element lattice frame assembling fixture as claimed in claim 8, it is characterised in that: the width of the linear grooves is band
1.1-1.5 times of thickness, the depth of linear grooves are 5mm.
10. fuel element lattice frame assembling fixture as claimed in claim 9, it is characterised in that: fuel element lattice frame assembling fixture
It is assembled suitable for CAP1400 autonomy-oriented screen work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611262808.2A CN106737322B (en) | 2016-12-30 | 2016-12-30 | Fuel element lattice frame assembling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611262808.2A CN106737322B (en) | 2016-12-30 | 2016-12-30 | Fuel element lattice frame assembling fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106737322A CN106737322A (en) | 2017-05-31 |
| CN106737322B true CN106737322B (en) | 2019-07-12 |
Family
ID=58954005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611262808.2A Active CN106737322B (en) | 2016-12-30 | 2016-12-30 | Fuel element lattice frame assembling fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106737322B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111331549A (en) * | 2018-12-19 | 2020-06-26 | 中核建中核燃料元件有限公司 | Four-point positioning fuel assembly framework assembling device |
| CN112557015A (en) * | 2020-12-09 | 2021-03-26 | 中核建中核燃料元件有限公司 | Grid buckling and loosening test device and method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2350700A1 (en) * | 1973-10-09 | 1975-04-17 | Kraftwerk Union Ag | FUEL ELEMENT SKELETON |
| CN103165204A (en) * | 2011-12-14 | 2013-06-19 | 中核建中核燃料元件有限公司 | Grid frame external strip assembling fixture |
| CN105070324A (en) * | 2015-08-20 | 2015-11-18 | 哈尔滨工业大学 | Assembling clamp for nuclear fuel assembly positioning grillwork |
| CN105773026A (en) * | 2014-12-26 | 2016-07-20 | 中核建中核燃料元件有限公司 | Clamp for welding of TVS-2M grillwork lattice cell |
| CN105983790A (en) * | 2014-11-27 | 2016-10-05 | 韩电原子力燃料株式会社 | Charging device of a welding fixture of spacer grid |
-
2016
- 2016-12-30 CN CN201611262808.2A patent/CN106737322B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2350700A1 (en) * | 1973-10-09 | 1975-04-17 | Kraftwerk Union Ag | FUEL ELEMENT SKELETON |
| CN103165204A (en) * | 2011-12-14 | 2013-06-19 | 中核建中核燃料元件有限公司 | Grid frame external strip assembling fixture |
| CN105983790A (en) * | 2014-11-27 | 2016-10-05 | 韩电原子力燃料株式会社 | Charging device of a welding fixture of spacer grid |
| CN105773026A (en) * | 2014-12-26 | 2016-07-20 | 中核建中核燃料元件有限公司 | Clamp for welding of TVS-2M grillwork lattice cell |
| CN105070324A (en) * | 2015-08-20 | 2015-11-18 | 哈尔滨工业大学 | Assembling clamp for nuclear fuel assembly positioning grillwork |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106737322A (en) | 2017-05-31 |
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