CN211626830U - Helium leak detection prebuckling feeding device pushing and aligning mechanism - Google Patents
Helium leak detection prebuckling feeding device pushing and aligning mechanism Download PDFInfo
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- CN211626830U CN211626830U CN201922388876.9U CN201922388876U CN211626830U CN 211626830 U CN211626830 U CN 211626830U CN 201922388876 U CN201922388876 U CN 201922388876U CN 211626830 U CN211626830 U CN 211626830U
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Abstract
The utility model belongs to the technical field of machinery and automation, in particular to a helium leak detection pre-packing box feeding device aligning mechanism, wherein a support plate is connected with a left side cylinder and a right side cylinder through a bolt structure, and the support plate is fixed on a frame through the bolt structure; the bottom of the cylinder is fixed on the supporting plate, and the top of the cylinder rod is connected with the supporting ejector plate through a bolt structure; the supporting ejector plate is fixed on the cylinder, and an ejector plate is fixed on the supporting ejector plate; the ejector plate directly contacts the fuel rods, and pushes all the fuel rods to be uniform by means of the thrust of the air cylinder; the frame is connected with the supporting plate through a bolt structure. The device can automatically align the fuel rods; the fuel rods are arranged orderly; the height difference between the fuel rod and the material box is eliminated, and the straightness of the fuel rod and the quality of the inner pellets are ensured.
Description
Technical Field
The utility model belongs to the technical field of machinery and automation, concretely relates to helium leak hunting is adorned loading attachment in advance and is pushed away neat mechanism.
Background
The fuel assembly forms the core of the nuclear power station, and the quality of the fuel assembly is directly related to whether the nuclear power station can safely and efficiently operate. At present, a TVS-2M component with high fuel consumption is adopted in a gulf-field nuclear power station, high-temperature helium leak detection inspection is carried out before fuel rods are assembled into a fuel component, and the helium pressure value in the fuel rods is detected to determine whether the sealing performance meets the requirement.
Before the high-temperature helium leak detection check, the fuel rods are respectively loaded into a prepackage box according to the number of the fuel rods, and the action of preassembling the rods is executed.
Foreign countries including France, America, Germany and the like all adopt normal temperature detection to detect the tightness of the fuel rods, Russia adopts high-temperature helium leak detection to detect, and a special helium leak detection prepackaging box feeding device is provided, China only adopts TVS-2M produced for Tianwan and fast reactor fuel rods to detect through high-temperature helium leak detection, and other products adopt normal temperature detection technology and equipment.
In recent years, Russia has also tended to leak at normal temperature.
The original feeding device for the helium leak detection prepackage box is developed by related technicians according to Russian equipment and is put into use in 2000.
With the use of the device, the reliability of the device is continuously reduced, and the product quality is damaged occasionally, although Russia has a part of TVS-2M fuel rods to adopt normal temperature detection at present, the adoption of a high-temperature helium detection process is a mature process route.
The original device has no aligning mechanism, fuel rods are arranged irregularly after passing through a pre-installed box, the fuel rods are horizontally arranged in the processes of loading the fuel rods and loading the fuel rods, after the pre-installed box is installed, the fuel rods loaded into the pre-installed box are hung vertically, the fuel rods fall down on a supporting plate at the lower part of the pre-installed box, and serious consequences such as pellet damage can be caused due to large height difference.
Disclosure of Invention
The utility model aims at the above-mentioned defect that prior art exists, provide a helium leak detection dress box loading attachment pushes away neat mechanism in advance, guarantee that the fuel rod can arrange neatly automatically, avoid leading to fuel rod straightness accuracy and inside pellet quality influence because of the difference in height.
The technical scheme of the utility model as follows:
a helium leak detection pre-packing box feeding device aligning mechanism is characterized in that a support plate is connected with cylinders on the left side and the right side through bolt structures and is fixed on a rack through the bolt structures;
the bottom of the cylinder is fixed on the supporting plate, and the top of the cylinder rod is connected with the supporting ejector plate through a bolt structure; the supporting ejector plate is fixed on the cylinder, and an ejector plate is fixed on the supporting ejector plate;
the ejector plate directly contacts the fuel rods, and pushes all the fuel rods to be uniform by means of the thrust of the air cylinder; the frame is connected with the supporting plate through a bolt structure.
The utility model provides a helium leak hunting pack loading attachment in advance pushes away neat mechanism, the backup pad is used for supporting and fixed cylinder, links to each other with the cylinder through bolted construction, and the backup pad passes through bolted construction to be fixed in the frame.
A push-aligning mechanism for a helium leak detection pre-packing box feeding device is characterized in that air cylinders provide push-aligning power, in order to ensure that fuel rods placed in the air cylinders can be pushed uniformly, the left air cylinder and the right air cylinder provide different thrust forces, and if the two sides use the same thrust force, the fuel rods can only be pushed, but the fuel rods cannot be pushed uniformly.
A pushing and aligning mechanism of a helium leak detection pre-packing box feeding device is characterized in that a cylinder rod end of a cylinder is connected with a supporting ejector plate through a bolt.
A pushing and aligning mechanism of a helium leak detection pre-packing box feeding device is characterized in that a supporting ejector plate is made of stainless steel materials and used for supporting and fixing the ejector plate, the lower portion of the supporting ejector plate is fixed on a cylinder, and the upper portion of the supporting ejector plate is fixed with the ejector plate through an injection molding method.
A pushing and aligning mechanism for a helium leak detection pre-packing box feeding device is characterized in that a jacking plate is made of a soft material and is used for directly contacting a fuel rod to prevent the surface of the fuel rod from being scratched due to the fact that the jacking plate is supported by a metal material.
A pushing and aligning mechanism of a helium leak detection pre-packing box feeding device is characterized in that a material ejecting plate is made of polyethylene materials.
A pushing and aligning mechanism of a helium leak detection pre-packing box feeding device is characterized in that a rack is used for supporting and connecting all components on the rack and is connected with a supporting plate through a bolt structure.
The beneficial effects of the utility model reside in that:
1. the fuel rods can be automatically aligned;
2. the fuel rods are arranged orderly.
3. The height difference between the fuel rod and the material box is eliminated, and the straightness of the fuel rod and the quality of the inner pellets are ensured.
Drawings
Fig. 1 is the utility model discloses a helium leak detection dress box loading attachment pushes away neat mechanism's schematic diagram in advance.
In the figure: 1-a support plate; 2, a cylinder; 3, supporting a jacking plate; 4, a material ejecting plate; 5, a fuel rod; 6, a frame.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in the attached drawing, a helium leak detection pre-packing box feeding device pushing and aligning mechanism is characterized in that a supporting plate 1 is connected with a cylinder 2 through a bolt structure, and the supporting plate 1 is fixed on a rack 6 through the bolt structure.
The bottom of the cylinder 2 is fixed on the supporting plate 1, and the top of the cylinder rod is connected with the supporting ejector plate 3 through a bolt structure. The supporting ejector plate 3 is fixed on the cylinder 2, and an ejector plate 4 is fixed on the supporting ejector plate.
The ejector plate 4 directly contacts the fuel rods 5 and pushes all the fuel rods 5 to be even by means of the pushing force of the air cylinder 2. The frame 6 is connected with the supporting plate 1 through a bolt structure.
The supporting plate 1 is used for supporting and fixing the cylinder 2 and is connected with the cylinder 2 through a bolt structure, and the supporting plate 1 is fixed on the rack 6 through a bolt structure.
The cylinders 2 provide pushing force, and in order to ensure that the fuel rods 5 placed therein can be pushed to be even, as shown in the figure, the pushing force provided by the cylinders on the left and right sides is different, and if the two sides use the same pushing force, the fuel rods 5 can only be pushed, but the fuel rods 5 cannot be pushed to be even.
The cylinder rod end of the cylinder 2 is connected with the supporting ejector plate 3 through a bolt.
The supporting ejector plate 3 is made of stainless steel materials and used for supporting and fixing the ejector plate 4, the lower portion of the supporting ejector plate is fixed on the cylinder 2, and the upper portion of the supporting ejector plate is fixed with the ejector plate 4 through methods such as injection molding.
Ejector plate 4 is the polyethylene material for direct and 5 contacts of fuel rod, prevent because support 3 metal material of ejector plate, and fish tail fuel rod surface 5, so need adopt the soft material direct contact of ejector plate 4.
The fuel rods 5 are pushed over the workpiece, but also other workpieces of similar outer dimensions.
The frame 6 is used for supporting and connecting all components on the frame and is connected with the supporting plate 1 through a bolt structure.
Lifting the fuel rods on the material rack, freely placing the fuel rods in the middle of the pushing mechanism, starting pushing, moving the fuel rods 5 to the right by a distance according to the action of the left side cylinder in the drawing 1, keeping the left side cylinder 2, the supporting ejector plate 3 and the ejector plate 4 to be not moved after the fuel rods are pushed to the right, then moving the right side cylinder 2 to the left, pushing the fuel rods 5 to be pushed to be aligned, keeping the right side for a period of time, and simultaneously driving the supporting ejector plate 3 and the ejector plate 4 on the respective sides to retract so as to complete the pushing of the fuel rods 5.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof.
Any modification, equivalent replacement, improvement, simplification and the like made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (8)
1. The utility model provides a helium leak detection dress box loading attachment pushes away neat mechanism in advance which characterized in that: the support plate is connected with the left and right side cylinders through a bolt structure and is fixed on the frame through a bolt structure; the bottom of the cylinder is fixed on the supporting plate, and the top of the cylinder rod is connected with the supporting ejector plate through a bolt structure; the supporting ejector plate is fixed on the cylinder, and an ejector plate is fixed on the supporting ejector plate; the ejector plate directly contacts the fuel rods, and pushes all the fuel rods to be uniform by means of the thrust of the air cylinder; the frame is connected with the supporting plate through a bolt structure.
2. The helium leak detection pre-packaging box feeding device pushing and aligning mechanism as claimed in claim 1, characterized in that: the supporting plate is used for supporting and fixing the cylinder and is connected with the cylinder through a bolt structure.
3. The helium leak detection pre-packaging box feeding device pushing and aligning mechanism as claimed in claim 1, characterized in that: the cylinders provide pushing force, in order to ensure that the fuel rods placed in the cylinders can be pushed to be even, the left and right cylinders provide different pushing forces, and if the two sides use the same pushing force, the fuel rods can only be pushed, but the fuel rods cannot be pushed to be even.
4. The helium leak detection pre-packaging box feeding device pushing and aligning mechanism as claimed in claim 1, characterized in that: the cylinder rod end of the cylinder is connected with the supporting ejector plate through a bolt.
5. The helium leak detection pre-packaging box feeding device pushing and aligning mechanism as claimed in claim 1, characterized in that: the supporting ejector plate is made of stainless steel materials and used for supporting and fixing the ejector plate, the lower portion of the supporting ejector plate is fixed on the cylinder, and the upper portion of the supporting ejector plate is fixed with the ejector plate through an injection molding method.
6. The helium leak detection pre-packaging box feeding device pushing and aligning mechanism as claimed in claim 1, characterized in that: the ejector plate is made of soft materials and is used for being directly contacted with the fuel rod, and the scratch on the surface of the fuel rod due to the fact that the ejector plate is made of metal materials is prevented.
7. The helium leak detection pre-packaging box feeding device pushing and aligning mechanism of claim 6, wherein: the ejector plate is made of polyethylene material.
8. The helium leak detection pre-packaging box feeding device pushing and aligning mechanism as claimed in claim 1, characterized in that: the frame is used for supporting and connecting all components on the frame and is connected with the supporting plate through a bolt structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922388876.9U CN211626830U (en) | 2019-12-27 | 2019-12-27 | Helium leak detection prebuckling feeding device pushing and aligning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922388876.9U CN211626830U (en) | 2019-12-27 | 2019-12-27 | Helium leak detection prebuckling feeding device pushing and aligning mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211626830U true CN211626830U (en) | 2020-10-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922388876.9U Active CN211626830U (en) | 2019-12-27 | 2019-12-27 | Helium leak detection prebuckling feeding device pushing and aligning mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211626830U (en) |
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2019
- 2019-12-27 CN CN201922388876.9U patent/CN211626830U/en active Active
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