CN217045022U - Handheld laser welding quick positioning device for nuclear fuel element - Google Patents
Handheld laser welding quick positioning device for nuclear fuel element Download PDFInfo
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- CN217045022U CN217045022U CN202123414823.3U CN202123414823U CN217045022U CN 217045022 U CN217045022 U CN 217045022U CN 202123414823 U CN202123414823 U CN 202123414823U CN 217045022 U CN217045022 U CN 217045022U
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Abstract
The utility model belongs to the technical field of the nuclear fuel welding, concretely relates to quick positioner of handheld laser welding of nuclear fuel component. The upper end of the device main body is a conical boss, and the lower end of the device main body is a semicircular cone structure; the conical connector that is provided with in main part upper end is provided with the screw thread on the connector, and the main part front end is provided with two locating surfaces, and first locating surface is the semi-annular, and the second locating surface is half interior cylinder face. A groove is formed between the connector and the conical boss at the upper end of the main body in a connected mode. By using the device to cooperate with a handheld laser welding machine to perform nuclear fuel element nut spot welding, the welding process of each welding spot is shortened to 5 seconds from the original 20 seconds, the welding process of each rod bundle nut is shortened to 4 minutes from the original 13 minutes, and each welding spot is uniformly distributed on two sides of the nut and the end plug, so that the manufacturing precision and quality of products are effectively improved, and the production and manufacturing efficiency of nuclear fuel elements is improved.
Description
Technical Field
The utility model belongs to the technical field of the nuclear fuel welding, concretely relates to quick positioner of handheld laser welding of nuclear fuel component.
Background
In the manufacturing process of the nuclear fuel element related assembly, after an operator finishes the single-rod bundling assembly process, the symmetrical two-point welding of the nut and the single-rod end plug is finished by using a handheld laser welding gun to prevent the nut from falling off and achieve the purposes of looseness prevention and retreat prevention.
At present, need operating personnel to wear laser goggles, through visual observation laser facula whether be located nut and end plug interface, and need guarantee that nut and end plug assembly interface are located the facula center, then carry out nut spot welding operation. Because of the limitation of manual operation and the existence of errors through naked eye judgment, each welding spot cannot be uniformly distributed on two sides of the nut and the end plug, the detection requirement after welding cannot be met, the manufacturing precision and quality of the nuclear fuel element are influenced, and the yield is reduced.
Disclosure of Invention
Not enough more than, the utility model aims at providing a quick positioner of handheld laser welding of nuclear fuel component can realize quick, the accurate location of nut and end plug welding seam, has effectively improved the production efficiency of nuclear fuel component nut spot welding process, has effectively improved nut welded precision and quality.
The technical scheme of the utility model as follows:
a rapid positioning device for handheld laser welding of nuclear fuel elements is characterized in that the upper end of a device main body is a conical boss, and the lower end of the device main body is of a semicircular cone structure;
the conical connector that is provided with in main part upper end is provided with the screw thread on the connector, and the main part front end is provided with two locating surfaces, and first locating surface is the semi-annular, and the second locating surface is half interior cylinder.
A groove is formed between the connector and the conical boss at the upper end of the main body in a connected mode.
The inside of the main body is a cavity.
The body axis is 45 degrees with second locating surface axis contained angle, guarantees that the laser welding spot is located the interface department of nut and end plug on the last grid tray and is equallyd divide.
The first positioning surface and the second positioning surface are positioned on one side of the axis of the device main body, and the other side of the device main body is of a cavity structure.
The first positioning surface is contacted with the upper grid plate of the related component, the handheld laser welding gun and the device are continuously moved, the second positioning surface is contacted with the outer surface of the nut of the related component, and the first positioning surface, the upper grid plate, the second positioning surface and the outer surface of the nut are gapless and completely attached.
The beneficial effects of the utility model reside in that:
by using the device to cooperate with a handheld laser welding machine to perform nuclear fuel element nut spot welding, the welding process of each welding spot is shortened to 5 seconds from the original 20 seconds, the welding process of each rod bundle nut is shortened to 4 minutes from the original 13 minutes, and each welding spot is uniformly distributed on two sides of the nut and the end plug, so that the manufacturing precision and quality of products are effectively improved, and the production and manufacturing efficiency of nuclear fuel elements is improved.
Drawings
Fig. 1 is a schematic view of a rapid positioning device for hand-held laser welding of nuclear fuel elements according to the present invention;
fig. 2 is a schematic diagram of the operation process of the rapid positioning device for handheld laser welding of nuclear fuel elements according to the present invention;
in the figure: 1-connector, 2-first positioning surface, 3-second positioning surface, 4-upper grid plate, 5-end plug and 6-nut.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
A rapid positioning device for handheld laser welding of a nuclear fuel element can conveniently, rapidly, reliably and stably realize the fast reactor positioning and welding process of a nuclear fuel element nut and an end plug, and the size precision and the quality of a welding seam are ensured. The specific structure, connection and operation of the device are described below.
The upper end of the device main body is a conical boss, and the lower end of the device main body is a semicircular cone structure. The cavity is formed in the main body, so that the laser welding beam can smoothly pass through the device.
The conical connector 1 that is provided with in main part upper end is provided with the screw thread on the connector 1, can realize dismantling, the change process fast with handheld laser welder through the screw thread.
A groove is connected between the connector 1 and the conical boss at the upper end of the main body.
The front end of the device is provided with two positioning surfaces, the first positioning surface 2 is in a semi-annular shape, and the second positioning surface 3 is in a semi-inner cylindrical surface;
the device body axis is 45 degrees with 3 axis contained angles of second locating surface, can guarantee that the laser welding spot is located nut 6 on the upper grid plate 4 and the interface department of end plug 5 and is equallyd divide.
The first positioning surface 2 and the second positioning surface 3 are positioned on one side of the axis of the device main body, and the other side of the device main body is of a cavity structure, so that the device main body can be used for observing and discharging welding smoke dust by using an operator.
When performing the welding work of the nuclear fuel element nut 6 with the end plug 5, the device is mounted to the tip of a hand-held laser welding torch and tightened. An operator holds the laser welding gun by hand and contacts the first positioning surface 2 of the welding gun front end device with the upper grid plate 4 of the related component, the hand-held laser welding gun and the device are continuously moved, the second positioning surface 3 is contacted with the outer surface of the nut 6 of the related component, and after the first positioning surface 2, the upper grid plate 4, the second positioning surface 3 and the outer surface of the nut 6 are completely attached without gaps, the switch of the hand-held laser welding gun is pressed to complete the laser spot welding process of the nut 6.
The mechanical structure form that the device executed can accomplish 45 degrees laser beam's accurate location through first locating surface 2 and second locating surface 3 to realize nuclear fuel element nut 6 and end plug 5's spot welding process.
When the nuclear fuel element nut 6 is welded, the first positioning face 2 of the device is in contact positioning with the upper grid plate 4, the second positioning face 3 is in contact positioning with the outer surface of the nut 6 by the moving device, and the laser beam spot is positioned at the interface of the end plug 5 and the nut 6.
It should be noted that, in the description of the present invention, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means at least two unless otherwise specified.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.
In the drawings of the disclosed embodiments of the present invention, only the methods related to the disclosed embodiments are referred to, and other methods can refer to the general design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;
the foregoing is illustrative of the preferred embodiments of the present invention, and is not to be construed as limiting the invention, and any modifications, equivalent alterations, improvements and the like made within the spirit and principle of the invention are intended to be included within the scope of the invention.
Claims (10)
1. A rapid positioning device for handheld laser welding of nuclear fuel elements is characterized in that the upper end of a device main body is a conical boss, and the lower end of the device main body is a semicircular cone structure;
the method is characterized in that: the conical connector that is provided with in main part upper end is provided with the screw thread on the connector, and the main part front end is provided with two locating surfaces, and first locating surface is the semi-annular, and the second locating surface is half interior cylinder face.
2. A rapid positioning device for hand-held laser welding of nuclear fuel elements as claimed in claim 1, characterized in that: a groove is connected and arranged between the connector and the conical boss at the upper end of the main body.
3. A rapid positioning device for hand-held laser welding of nuclear fuel elements as claimed in claim 1, characterized in that: the inside of the main body is a cavity.
4. A rapid positioning device for hand-held laser welding of nuclear fuel elements as claimed in claim 1, characterized in that: the body axis is 45 degrees with second locating surface axis contained angle, guarantees that the laser welding spot is located the interface department of nut and end plug on the last grid tray and is equallyd divide.
5. A rapid positioning device for hand-held laser welding of nuclear fuel elements according to claim 1, characterized in that: the first positioning surface and the second positioning surface are positioned on one side of the axis of the device main body, and the other side of the axis of the device main body is of a cavity structure.
6. A rapid positioning device for hand-held laser welding of nuclear fuel elements according to claim 1, characterized in that: the first positioning surface is contacted with the upper grid plate of the related component, the handheld laser welding gun and the device are continuously moved, the second positioning surface is contacted with the outer surface of the nut of the related component, and the first positioning surface, the upper grid plate, the second positioning surface and the outer surface of the nut are gapless and completely attached.
7. A rapid positioning device for hand-held laser welding of nuclear fuel elements as claimed in claim 1, characterized in that: a groove is connected between the connector and the conical boss at the upper end of the main body;
the inside of the main body is a cavity.
8. A rapid positioning device for hand-held laser welding of nuclear fuel elements as claimed in claim 7, wherein: the body axis is 45 degrees with second locating surface axis contained angle, guarantees that the laser welding spot is located the interface department of nut and end plug on the last grid tray and is equallyd divide.
9. A rapid positioning device for hand-held laser welding of nuclear fuel elements as claimed in claim 8, wherein: the first positioning surface and the second positioning surface are positioned on one side of the axis of the device main body, and the other side of the device main body is of a cavity structure.
10. A rapid positioning device for hand-held laser welding of nuclear fuel elements according to claim 9, characterized in that: the first positioning surface (2) is in contact with the upper grid plate (4) of the related component, the handheld laser welding gun and the device are continuously moved, the second positioning surface (3) is in contact with the outer surface of the nut (6) of the related component, and the first positioning surface (2) is in gapless and complete fit with the outer surface of the upper grid plate (4), the second positioning surface (3) and the outer surface of the nut (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123414823.3U CN217045022U (en) | 2021-12-31 | 2021-12-31 | Handheld laser welding quick positioning device for nuclear fuel element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123414823.3U CN217045022U (en) | 2021-12-31 | 2021-12-31 | Handheld laser welding quick positioning device for nuclear fuel element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217045022U true CN217045022U (en) | 2022-07-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123414823.3U Active CN217045022U (en) | 2021-12-31 | 2021-12-31 | Handheld laser welding quick positioning device for nuclear fuel element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217045022U (en) |
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2021
- 2021-12-31 CN CN202123414823.3U patent/CN217045022U/en active Active
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