CN219890690U - Sealing diaphragm mounting structure for explosion shock wave simulation test equipment - Google Patents
Sealing diaphragm mounting structure for explosion shock wave simulation test equipment Download PDFInfo
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- CN219890690U CN219890690U CN202321298202.XU CN202321298202U CN219890690U CN 219890690 U CN219890690 U CN 219890690U CN 202321298202 U CN202321298202 U CN 202321298202U CN 219890690 U CN219890690 U CN 219890690U
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- sealing diaphragm
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- right end
- shock wave
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- 238000007789 sealing Methods 0.000 title claims abstract description 41
- 238000004880 explosion Methods 0.000 title claims abstract description 33
- 238000012360 testing method Methods 0.000 title claims abstract description 29
- 238000004088 simulation Methods 0.000 title claims abstract description 16
- 230000035939 shock Effects 0.000 title claims abstract description 15
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims description 9
- 239000002184 metal Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 abstract description 5
- 239000012634 fragment Substances 0.000 abstract description 5
- 241001391944 Commicarpus scandens Species 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000027683 diaphragm development Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model provides a sealing diaphragm mounting structure for explosion shock wave simulation test equipment, which comprises the following components: the sealing diaphragm, the first reducing section, the second reducing section and the compression flange; the first reducing section and the second reducing section are of tubular structures, the left end of the first reducing section is connected with an external main explosion chamber, the left end of the second reducing section is connected with the right end of the first reducing section, and the right end of the second reducing section is connected with an external test section; the sealing diaphragm is fixedly covered on the right end port of the first reducing section through the compression flange, and the center of the sealing diaphragm is positioned in the left end port of the second reducing section. The utility model adopts the prefabricated forming diaphragm with the curved surface, and designs the diaphragm mounting part into an independent section structure so as to adapt to diaphragms with different sizes, thereby improving the expansibility of equipment, ensuring firm clamping of the diaphragms and being difficult to generate fragments and scraps in explosion tests.
Description
Technical Field
The utility model relates to an explosion shock wave test technology, in particular to a sealing diaphragm mounting structure for explosion shock wave simulation test equipment.
Background
The explosion wave simulation device is a test device for generating explosion shock waves by utilizing chemical explosion, no matter what concept is adopted, the energy generation and energy release process is followed, the energy transmission process is controlled to be necessarily transmitted along one direction, the design form is necessarily a strip-shaped approximate cylinder, and various plugging links are involved, wherein a sealing diaphragm is a key element for isolating initial high-pressure air of an explosion chamber and a test section, and the safety and the reliability of a test system are directly influenced by safety and reliability of the test system.
In the existing established blast wave simulation device, the caliber of a main explosion chamber is fixed, a sealing diaphragm is usually directly clamped between the outlet end of the main explosion chamber and a test section, so that the size of the diaphragm is fixed, and the expansibility of test equipment is limited; in addition, the existing diaphragm development is generally controlled below 500mm in diameter, the common diaphragm is basically in a plane circular shape, the inner diameter of the outlet end of the main explosion chamber is generally more than 1m when the diaphragm is applied to the high-enthalpy explosion wave simulation device, the diameter of the diaphragm is correspondingly increased, high-pressure gas is usually required to be flushed into the main explosion chamber, if the plane circular diaphragm is adopted, the deflection of the pre-arch is usually generated but the diaphragm is not damaged when the internal and external pressure difference is formed, namely, the diaphragm is obviously converted into an arc surface from the plane, the explosive in the explosion chamber is reversed due to the load effect after the diaphragm is broken, the edge of the diaphragm is easily separated from the clamping, fragments and scraps are easily generated, and the test component is damaged.
Disclosure of Invention
In view of the above, the utility model aims to provide a sealing diaphragm mounting structure for explosion shock wave simulation test equipment, which adopts a prefabricated forming diaphragm with a curved surface, and designs the diaphragm mounting part into an independent one-section structure so as to adapt to diaphragms with different sizes, thereby improving the expansibility of the equipment, ensuring firm clamping of the diaphragms and being difficult to generate fragments and scraps in the explosion test.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a sealing diaphragm mounting structure for an explosion shock wave simulation test apparatus, comprising: the sealing diaphragm, the first reducing section, the second reducing section and the compression flange; the first reducing section and the second reducing section are of tubular structures, the left end of the first reducing section is connected with an external main explosion chamber, the left end of the second reducing section is connected with the right end of the first reducing section, and the right end of the second reducing section is connected with an external test section; the sealing diaphragm is fixedly covered on the right end port of the first reducing section through the compression flange, and the center of the sealing diaphragm is positioned in the left end port of the second reducing section.
The sealing diaphragm is integrally of a disc-shaped structure and consists of an arc-shaped curved plate in the middle and an annular flat plate positioned outside the arc-shaped curved plate, the annular flat plate and the arc-shaped curved plate are integrally formed, and the annular flat plate is connected with the right end of the first reducing section through bolts.
The outline of the end face of the arc-shaped curved plate is a section of arc line, and the circle center of the arc line is positioned on the left side of the arc-shaped curved plate and on the axis of the annular flat plate.
The whole of the first reducing section is of a conical tube structure, the inner diameter of the left end of the first reducing section is larger than that of the right end of the first reducing section, and connecting flanges are arranged at two ends of the outer portion of the first reducing section.
The whole second reducing section is also of a conical tube structure, the inner diameter of the left end of the second reducing section is smaller than that of the right end of the second reducing section, and connecting flanges are arranged at two ends of the outer portion of the second reducing section.
And a metal gasket is further arranged between the sealing diaphragm and the right end port of the first reducing section.
The utility model has the beneficial effects that: the utility model adopts the prefabricated forming diaphragm with the curved surface, and designs the diaphragm mounting part into an independent section structure so as to adapt to diaphragms with different sizes, thereby improving the expansibility of equipment, ensuring firm clamping of the diaphragms and being difficult to generate fragments and scraps in explosion tests.
Drawings
Fig. 1 is a front view of the overall structure of the present utility model.
Fig. 2 is an enlarged view of a portion a in fig. 1.
In the figure: 1. the sealing device comprises a first reducing section, a second reducing section, a sealing diaphragm, a pressing flange, a metal gasket, an arc-shaped curved plate, a ring-shaped flat plate and a sealing diaphragm, wherein the first reducing section, the second reducing section, the sealing diaphragm, the pressing flange and the metal gasket are arranged in sequence, and the first reducing section, the second reducing section, the sealing diaphragm, the pressing flange, the metal gasket, the arc-shaped curved plate and the ring-shaped flat plate are arranged in sequence.
Detailed Description
The following description of the embodiments of the present utility model will be made more apparent and fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
As shown in fig. 1 and 2, a sealing diaphragm mounting structure for an explosion shock wave simulation test apparatus includes: the sealing diaphragm 3, the first reducing section 1, the second reducing section 2 and the compression flange 4; the method is characterized in that: the first reducing section 1 and the second reducing section 2 are of tubular structures, the left end of the first reducing section 1 is connected with an external main explosion chamber, the left end of the second reducing section 2 is connected with the right end of the first reducing section 1, and the right end 2 of the second reducing section is connected with an external test section; the sealing diaphragm 3 is fixedly covered on the right end port of the first reducing section 1 through the compression flange 4, and the center of the sealing diaphragm 3 is positioned in the left end port of the second reducing section 2; the whole sealing diaphragm 3 be disc structure, it comprises arc curved plate 31 in middle part and the annular flat board 32 that is located arc curved plate 31 outside, annular flat board 32 and arc curved plate 31 integrated into one piece, annular flat board 32 passes through the right-hand member port of bolt and compression flange 4 connection first reducing section 1. The whole first reducing section 1 is of a conical tube structure, the inner diameter of the left end of the first reducing section is larger than that of the right end of the first reducing section 1, and connecting flanges are arranged at two ends of the outer portion of the first reducing section 1. The whole second reducing section 2 is also of a conical tube structure, the inner diameter of the left end of the second reducing section is smaller than that of the right end of the second reducing section, and connecting flanges are arranged at two ends of the outer part of the second reducing section 2. Specifically, the first reducing section 1 and the second reducing section 2 are connected through a connecting flange. The design of the two reducing sections can change the reducing sections with different calibers for adapting according to test requirements, and the assembled structure expands the application range of the equipment.
The outline of the end surface of the curved arc plate 31 is a circular arc, and the center of the circular arc is located at the left side of the curved arc plate 31 and on the axis of the annular flat plate 32. Specifically, the utility model prefabricates the arc curved surface on the diaphragm, when the external main explosion chamber is filled with high-pressure gas, the prefabricated arc curved surface has small deformation, when the diaphragm is broken by bearing explosion impact, the elastic recovery of the edge part is also smaller, the arc curved surface guides the stress direction to be centralized in the prefabrication center, the orientation is clear, and the diaphragm is easy to break and is not easy to generate fragments when broken.
A metal gasket 5 is further arranged between the sealing diaphragm 3 and the right end port of the first reducing section 1. Specifically, aluminum or red copper with lower hardness and stronger ductility is selected as the metal gasket 5, a circular positioning groove is formed in the contact part of the first reducing section 1 and the metal gasket 5, an annular bulge is formed in the contact surface of the compression flange 4 and the sealing diaphragm 3, after the metal gasket 5 is compressed by the sealing diaphragm 3 and the compression flange 4, annular corrugation is formed in the annular plate 32 of the sealing diaphragm 3 under the action of the annular groove and the annular bulge, and slipping is prevented when the diaphragm is stressed and stretched. The independent pressing flange 4 is convenient for processing the annular bulge matched with the annular positioning groove on the pressing flange.
The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the utility model are intended to be included within the scope of the utility model.
The utility model is not described in detail in the prior art.
Claims (6)
1. A sealing diaphragm mounting structure for an explosion shock wave simulation test apparatus, comprising: the sealing diaphragm (3), the first reducing section (1), the second reducing section (2) and the compression flange (4); the method is characterized in that: the first reducing section (1) and the second reducing section (2) are of tubular structures, the left end of the first reducing section (1) is connected with an external main explosion chamber, the left end of the second reducing section (2) is connected with the right end of the first reducing section (1), and the right end of the second reducing section (2) is connected with an external test section; the sealing diaphragm (3) is fixedly covered on the right end port of the first reducing section (1) through the compression flange (4), and the center of the sealing diaphragm (3) is positioned in the left end port of the second reducing section (2).
2. The sealing diaphragm mounting structure for an explosion shock wave simulation test apparatus according to claim 1, wherein: the sealing diaphragm (3) is integrally of a disc-shaped structure and consists of an arc-shaped curved plate (31) in the middle and an annular flat plate (32) positioned outside the arc-shaped curved plate (31), the annular flat plate (32) and the arc-shaped curved plate (31) are integrally formed, and the annular flat plate (32) is connected with the right end port of the first reducing section (1) through bolts and a compression flange (4).
3. The sealing diaphragm mounting structure for an explosion shock wave simulation test apparatus according to claim 2, wherein: the outline of the end face of the arc-shaped curved plate (31) is a section of arc line, and the circle center of the arc line is positioned on the left side of the arc-shaped curved plate (31) and on the axis of the annular flat plate (32).
4. The sealing diaphragm mounting structure for an explosion shock wave simulation test apparatus according to claim 1, wherein: the whole first reducing section (1) is of a circular taper pipe structure, the inner diameter of the left end of the first reducing section is larger than that of the right end of the first reducing section, and connecting flanges are arranged at two ends of the outer portion of the first reducing section (1).
5. The sealing diaphragm mounting structure for an explosion shock wave simulation test apparatus according to claim 1, wherein: the whole second reducing section (2) is also of a circular taper pipe structure, the inner diameter of the left end of the second reducing section is smaller than that of the right end of the second reducing section, and connecting flanges are arranged at two outer ends of the second reducing section (2).
6. The sealing diaphragm mounting structure for an explosion shock wave simulation test apparatus according to claim 1, wherein: a metal gasket (5) is arranged between the sealing diaphragm (3) and the right end port of the first reducing section (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321298202.XU CN219890690U (en) | 2023-05-26 | 2023-05-26 | Sealing diaphragm mounting structure for explosion shock wave simulation test equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321298202.XU CN219890690U (en) | 2023-05-26 | 2023-05-26 | Sealing diaphragm mounting structure for explosion shock wave simulation test equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219890690U true CN219890690U (en) | 2023-10-24 |
Family
ID=88394899
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321298202.XU Active CN219890690U (en) | 2023-05-26 | 2023-05-26 | Sealing diaphragm mounting structure for explosion shock wave simulation test equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219890690U (en) |
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2023
- 2023-05-26 CN CN202321298202.XU patent/CN219890690U/en active Active
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