CN212286441U - Nuclear fuel assembly grillwork assembly welding jig - Google Patents
Nuclear fuel assembly grillwork assembly welding jig Download PDFInfo
- Publication number
- CN212286441U CN212286441U CN201922374189.1U CN201922374189U CN212286441U CN 212286441 U CN212286441 U CN 212286441U CN 201922374189 U CN201922374189 U CN 201922374189U CN 212286441 U CN212286441 U CN 212286441U
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- China
- Prior art keywords
- bottom plate
- top plate
- welding
- coaming
- nuclear fuel
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- 238000003466 welding Methods 0.000 title claims abstract description 45
- 239000003758 nuclear fuel Substances 0.000 title claims abstract description 16
- 238000000034 method Methods 0.000 description 6
- 238000010894 electron beam technology Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
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Abstract
A nuclear fuel assembly framework assembling and welding clamp comprises a top plate, a coaming, a bottom plate and a base, wherein the top plate is fixedly connected with the coaming, the coaming is connected with the bottom plate, the bottom plate is connected with the base, and the coaming is provided with a coaming welding abdication hole; a top plate clamping groove and a bottom plate clamping groove are respectively arranged on the top plate and the bottom plate, and an inner strip and an outer strip are arranged between the top plate clamping groove and the bottom plate clamping groove; the inner strip and the outer strip which are crossed transversely and vertically are arranged in the enclosing plate, a bottom plate welding abdicating hole is formed in the cross position of the inner strip, a top plate welding abdicating hole is formed in the top plate, and the positions of the top plate welding abdicating hole and the bottom plate welding abdicating hole are in one-to-one correspondence. The technological equipment can effectively fix the 5 multiplied by 5 test grillwork, ensure the position precision of the whole grillwork and each strip and meet the requirements of welding technological conditions.
Description
Technical Field
The invention relates to the field of nuclear fuel element manufacturing, in particular to a nuclear fuel assembly grid assembly welding clamp.
Background
The spacer grid in a nuclear fuel assembly is made up of strips that are spliced and welded together. The strips are of a sheet metal structure, are in horizontal or vertical relation with each other, are spliced through the insertion grooves to form an integral appearance, and are welded at cross points and gaps which are in mutual contact with each other to finally form a finished product grillwork. The requirement on precision is very high during the framework assembly, the strips are easily deformed through manual assembly, the overall dimension of the framework cannot be guaranteed, and the special punching positioning framework assembly welding process equipment is designed automatically based on the reasons to solve the problem.
Disclosure of Invention
The invention aims to: the special assembly welding process equipment for the 5X 5 test grillwork of the fuel assembly is provided, so that the technical difficulties that the deformation of strips is easily caused by manual assembly, the overall dimension of the grillwork cannot be guaranteed, the 5X 5 test grillwork cannot be clamped without process equipment, the welding cannot be realized and the product quality is guaranteed are solved.
The technical scheme of the invention is as follows: a nuclear fuel assembly framework assembling and welding clamp comprises a top plate, a coaming, a bottom plate and a base, wherein the top plate is fixedly connected with the coaming, the coaming is connected with the bottom plate, the bottom plate is connected with the base, and the coaming is provided with a coaming welding abdication hole;
a top plate clamping groove and a bottom plate clamping groove are respectively arranged on the top plate and the bottom plate, and an inner strip and an outer strip are arranged between the top plate clamping groove and the bottom plate clamping groove;
the inner strip and the outer strip which are crossed transversely and vertically are arranged in the enclosing plate, a bottom plate welding abdicating hole is formed in the cross position of the inner strip, a top plate welding abdicating hole is formed in the top plate, and the positions of the top plate welding abdicating hole and the bottom plate welding abdicating hole are in one-to-one correspondence.
The top plate and the coaming are fixedly connected through an upper screw.
The coaming and the bottom plate are connected through a side screw.
The bottom plate and the base are connected through a bottom screw.
The base is provided with a base connecting hole.
A top plate handle is arranged on the top plate.
The invention has the following remarkable effects: the technological equipment can effectively fix the 5 multiplied by 5 test grillwork, ensure the position precision of the whole grillwork and each strip and meet the requirements of welding technological conditions.
The technical equipment effectively solves the technical problems that the framework is deformed in the assembling process and the energy beams of laser, electron beams or other welding processes can directly irradiate on the area to be welded in the welding process, thereby ensuring the welding quality.
Drawings
FIG. 1 is a front view of a nuclear fuel assembly grid assembly welding jig;
FIG. 2 is an enlarged view of a portion of FIG. 1
FIG. 3 is an enlarged view of a portion of FIG. 1
FIG. 4 is a top view of a nuclear fuel assembly grid assembly welding fixture;
in the figure: roof 1, bounding wall 2, bottom plate 3, base 4, upper portion screw 5, side screw 6, bottom screw 7, interior strip 8, outer strip 9, roof handle 10, roof welding hole of stepping down 11, roof draw-in groove 12, bounding wall welding hole of stepping down 13, bottom plate welding hole of stepping down 14, bottom plate draw-in groove 15, base connecting hole 16
Detailed Description
A nuclear fuel assembly grillwork assembling and welding clamp comprises a top plate 1, a surrounding plate 2, a bottom plate 3 and a base 4, wherein the top plate 1 and the surrounding plate 2 are fixedly connected through an upper screw 5, the surrounding plate 2 and the bottom plate 3 are connected through a side screw 6, the bottom plate 3 and the base 4 are connected through a bottom screw 7, and a surrounding plate welding abdicating hole 13 is formed in the surrounding plate 2;
a top plate clamping groove 12 and a bottom plate clamping groove 15 are respectively arranged on the top plate 1 and the bottom plate 3, and an inner strip 8 and an outer strip 9 are arranged between the top plate clamping groove 12 and the bottom plate clamping groove 15
As shown in fig. 2, an inner strip 8 and an outer strip 9 which are crossed horizontally and vertically are arranged in the enclosing plate 2, a bottom plate welding abdicating hole 14 is arranged at the crossing position of the inner strip 8, a top plate welding abdicating hole 11 is arranged on the top plate 1, and the positions of the top plate welding abdicating hole 11 and the bottom plate welding abdicating hole 14 are in one-to-one correspondence;
a base connecting hole 16 is formed on the base 4;
a top panel handle 10 is provided on the top panel 1.
Claims (6)
1. The utility model provides a nuclear fuel assembly grillage equipment welding jig which characterized in that: the device comprises a top plate (1), a coaming (2), a bottom plate (3) and a base (4), wherein the top plate (1) is fixedly connected with the coaming (2), the coaming (2) is connected with the bottom plate (3), the bottom plate (3) is connected with the base (4), and the coaming (2) is provided with a coaming welding abdicating hole (13);
a top plate clamping groove (12) and a bottom plate clamping groove (15) are respectively arranged on the top plate (1) and the bottom plate (3), and an inner strip (8) and an outer strip (9) are arranged between the top plate clamping groove (12) and the bottom plate clamping groove (15);
interior strip (8), outer strip (9) of horizontal vertical cross of bounding wall (2) internally mounted are for bottom plate welding hole (14) of stepping down at the intersection of interior strip (8), have roof welding hole (11) of stepping down on roof (1), and the roof welding hole (11) of stepping down and the position one-to-one of bottom plate welding hole (14) of stepping down.
2. The nuclear fuel assembly grid assembly welding jig of claim 1, wherein: the top plate (1) and the coaming (2) are fixedly connected through an upper screw (5).
3. The nuclear fuel assembly grid assembly welding jig of claim 1, wherein: the coaming (2) is connected with the bottom plate (3) through a side screw (6).
4. The nuclear fuel assembly grid assembly welding jig of claim 1, wherein: the bottom plate (3) is connected with the base (4) through a bottom screw (7).
5. The nuclear fuel assembly grid assembly welding jig of claim 1, wherein: the base (4) is provided with a base connecting hole (16).
6. The nuclear fuel assembly grid assembly welding jig of claim 1, wherein: a top plate handle (10) is arranged on the top plate (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922374189.1U CN212286441U (en) | 2019-12-26 | 2019-12-26 | Nuclear fuel assembly grillwork assembly welding jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922374189.1U CN212286441U (en) | 2019-12-26 | 2019-12-26 | Nuclear fuel assembly grillwork assembly welding jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212286441U true CN212286441U (en) | 2021-01-05 |
Family
ID=73931999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922374189.1U Active CN212286441U (en) | 2019-12-26 | 2019-12-26 | Nuclear fuel assembly grillwork assembly welding jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212286441U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182743A (en) * | 2021-06-16 | 2021-07-30 | 三门技师学院 | Nuclear fuel assembly grillwork welding jig |
-
2019
- 2019-12-26 CN CN201922374189.1U patent/CN212286441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182743A (en) * | 2021-06-16 | 2021-07-30 | 三门技师学院 | Nuclear fuel assembly grillwork welding jig |
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