CN210464773U - Pressure measurement adapter - Google Patents
Pressure measurement adapter Download PDFInfo
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- CN210464773U CN210464773U CN201921318014.2U CN201921318014U CN210464773U CN 210464773 U CN210464773 U CN 210464773U CN 201921318014 U CN201921318014 U CN 201921318014U CN 210464773 U CN210464773 U CN 210464773U
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- 238000009530 blood pressure measurement Methods 0.000 title claims abstract description 15
- 239000011148 porous material Substances 0.000 claims abstract description 10
- 238000007789 sealing Methods 0.000 claims description 17
- 238000000034 method Methods 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 13
- 238000013461 design Methods 0.000 abstract description 4
- 229910000838 Al alloy Inorganic materials 0.000 description 5
- 238000012360 testing method Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000012804 iterative process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The application discloses pressure measurement adapter, including the adapter body, the adapter body includes: the device comprises a first section body and a second section body, wherein the first section body and the second section body are of an integrated structure, and the diameter of the first section body is smaller than that of the second section body; a first pore canal extending along the axial direction of the first section body is arranged in the first section body, and a first groove is arranged in the second section body; the first pore passage is communicated with the first groove; the first section side wall is provided with an external thread and an internal thread is arranged in the first groove. The engine combustion chamber shell is connected with the pressure sensor through the adapter, so that a complete pressure-time curve of the engine is directly obtained, and a basis is provided for iteration of the technical scheme of the engine design scheme.
Description
Technical Field
The utility model relates to a pressure measurement switching device of the thin casing of aluminum alloy, concretely relates to pressure measurement adapter.
Background
At present, for the thin-wall aluminum alloy shell solid rocket engine, no suitable method is available for directly measuring the pressure of the combustion chamber. A thick-wall test engine with the same inner cavity as an original thin-wall aluminum alloy shell engine is generally manufactured by steel, the working state of the thin-wall aluminum alloy shell engine is simulated, and a pressure measuring nozzle is welded on a steel shell engine for measurement. This approach using a test engine has the following drawbacks:
(1) the cost is high. A test engine needs to be manufactured independently, and batch manufacturing with formal products cannot be carried out;
(2) it is not suitable for the iterative process of engine design. If the inner molded surface of the engine is changed, the original test engine can only be used, and cannot be used again, so that the early investment is wasted.
SUMMERY OF THE UTILITY MODEL
In view of the above-mentioned defects or shortcomings in the prior art, it is desirable to provide a device capable of directly measuring the pressure of the combustion chamber of the thin-wall aluminum alloy shell solid rocket engine, so as to obtain the complete pressure-time curve of the combustion chamber of the rocket engine, obtain the maximum working pressure of the engine, and provide a basis for iteration of the engine design technical scheme.
A pressure measuring adapter, comprising: the adapter body, the adapter body includes: the device comprises a first section body and a second section body, wherein the first section body and the second section body are of an integrated structure, and the diameter of the first section body is smaller than that of the second section body; a first pore canal extending along the axial direction of the first section body is arranged in the first section body, and a first groove is arranged in the second section body; the first pore passage is communicated with the first groove; the first section side wall is provided with an external thread and an internal thread is arranged in the first groove.
According to the technical scheme provided by the embodiment of the application, a protection ring is annularly arranged on the outer wall of the first section body, and the protection ring is positioned on one end, relatively close to the second section body, of the first section body.
According to the technical scheme provided by the embodiment of the application, a sealing groove is formed in the side wall, adjacent to the first section body, of the protection ring, and an O-shaped sealing ring is filled in the sealing groove.
According to the technical scheme provided by the embodiment of the application, the side wall of the protection ring adjacent to the first segment is also provided with a first gasket fixedly connected with the protection ring.
According to the technical scheme that this application embodiment provided, be equipped with the annular on the outer wall of the second section body and bear the weight of and hold in the palm, the annular bears the weight of and holds in the palm outer wall fixed connection with the second section body.
According to the technical scheme provided by the embodiment of the application, the inner wall of the bearing support is provided with the second gasket which is fixedly connected.
To sum up, the above technical scheme of the present application provides a pressure measurement adapter, the first section body is in threaded connection with the housing of the engine combustion chamber, and the second section body is in threaded connection with a dynamic pressure sensor for a rocket engine of the same type, so that the pressure of the engine combustion chamber is communicated with the pressure of the pressure sensor, the pressure sensor can directly measure the pressure-time curve of the engine, and the maximum working pressure of the engine is obtained.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the following detailed description of non-limiting embodiments thereof, made with reference to the accompanying drawings in which:
fig. 1 is a schematic structural diagram of a main sectional view of a pressure measuring adapter (pressure measuring adapter body);
figure 2 is a schematic cross-sectional view of a pressure measurement adapter (protective ring and annular load bearing);
figure 3 is a schematic diagram of a pressure measurement adapter in an embodiment.
Reference numbers in the figures: 1. a first segment; 2. a second segment; 3. a first duct; 4. a first groove; 5. a guard ring; 6. a sealing groove; 7. a first gasket; 8. an annular bearing support; 9. a second gasket; 10. a pressure measurement adapter; 11. an engine; 12. a pressure sensor.
Detailed Description
The present application will be described in further detail with reference to the following drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the relevant invention and not restrictive of the invention. It should be noted that, for convenience of description, only the portions related to the present invention are shown in the drawings.
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
Please refer to fig. 1 for a specific structure of a pressure measurement adapter.
A pressure measuring adapter, comprising: the adapter body, the adapter body includes: the device comprises a first section body 1 and a second section body 2, wherein the first section body 1 and the second section body 2 are of an integrated structure, and the diameter of the first section body 1 is smaller than that of the second section body 2; a first pore canal 3 extending along the axial direction of the first section body 1 is arranged in the first section body, and a first groove 4 is arranged in the second section body 2; the first pore canal 3 is communicated with the first groove 4; the side wall of the first section body 1 is provided with an external thread, and an internal thread is arranged in the first groove 4.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: a protection ring 5 is annularly arranged on the outer wall of the first section body 1, and the protection ring 5 is positioned on one end of the first section body 1, which is relatively close to the second section body 2.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: and a sealing groove 6 is formed in the side wall, adjacent to the first section body 1, of the protection ring 5, and an O-shaped sealing ring is filled in the sealing groove 6.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: the side wall of the protection ring 5 adjacent to the first segment 1 is also provided with a first gasket 7 fixedly connected with the protection ring.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: and the outer wall of the second section body 2 is provided with an annular bearing support 8, and the annular bearing support 8 is fixedly connected with the outer wall of the second section body 2.
In order to further optimize the above technical solution, the technical solution is preferably further provided with the following improvements: and a second gasket 9 fixedly connected is arranged on the inner wall of the bearing support.
Wherein:
a pressure measuring adapter 10 comprising: the adapter body, the adapter body includes: the device comprises a first section body 1 and a first section body 2, wherein the first section body 1 and the first section body 2 are of an integrated structure, and the diameter of the first section body 1 is smaller than that of the first section body 2; a first pore canal 3 extending along the axial direction of the first section body 1 is arranged in the first section body 1, and a first groove 4 is arranged in the first section body 2; the first pore canal 3 is communicated with the first groove 4; the side wall of the first section body 1 is provided with an external thread, and an internal thread is arranged in the first groove 4.
When the pressure measuring adapter is used, firstly, a threaded hole with the size corresponding to the external thread on the side wall of the first section body 1 of the pressure measuring adapter 10 is manufactured on the shell of the combustion chamber of the engine 11, then the first section body 1 is in threaded connection with the shell of the combustion chamber of the engine 11, the first section body 2 is in threaded connection with the dynamic pressure sensor 12, in the embodiment, the pressure sensor 12 adopts a dynamic pressure sensor for a rocket engine, the pressure sensor can directly obtain a pressure-time curve when measuring pressure, after the two threaded connections are completed, the first hole channel 3 extending axially in the first section body 1 is communicated with the interior of the combustion chamber, as the first hole channel 3 is also communicated with the first groove 4 in the first section body 2, the pressure sensor 12 can be communicated with the combustion chamber of the engine 11, and then the rocket engine 11 is started, the pressure sensor 12 directly measures the complete pressure-time curve in the combustion chamber of the engine 11 through the pressure measuring adapter 10 to obtain the maximum working pressure of the engine 11, so that the basis is provided for the iteration of the technical scheme of the design scheme of the engine 11, the threaded connection is adopted, the operation is convenient and fast, and the problem of welding compatibility of a steel tool and an aluminum engine 11 shell is avoided.
In this embodiment, the external threads on the side wall of the first section 1 and the internal threads of the first section 2 of the pressure measuring adapter 10 are both made of metric fine threads, so that the pressure measuring adapter has high connection strength and can bear impact and vibration; the external thread of the first section body 1 is sealed by silicon rubber, so that the external thread of the first section body 1 is tightly connected with a combustion chamber shell of the engine 11, gas leakage of the combustion chamber is prevented, the problems of a sealing groove 6 structure and large depth of a threaded hole caused by using an O-shaped sealing ring are avoided, and the connecting structure is suitable for connecting thin-wall shells.
The application is further improved in that: a protection ring 5 is annularly arranged on the outer wall of the first section body 1, and the protection ring 5 is positioned on one end of the first section body 1, which is relatively close to the first section body 2; the engine 11 casing that this application relates to is the thin wall casing, and after pressure measurement adapter 10 is connected with engine 11 casing, the radian of guard ring 5 and casing is laminated basically, reduces the stress that the casing received to play certain guard action to the thin wall casing.
The application is further improved in that: a sealing groove 6 is arranged on the side wall of the protection ring 5 adjacent to the first section body 1, and an O-shaped sealing ring is filled in the sealing groove 6; after the first section body 1 of the pressure measurement adapter 10 is in threaded connection with the shell of the engine 11, the sealing groove 6 can further reinforce the sealing effect, and the pressure measurement is more accurate.
The application is further improved in that: the side wall of the protection ring 5 adjacent to the first segment body 1 is also provided with a first gasket 7 fixedly connected with the protection ring; during the use of the pressure measuring adapter 10, the shell of the engine 11 may vibrate due to the increase of the pressure, and the first gasket 7 has a buffering function and protects the shell of the engine 11.
The application is further improved in that: the outer wall of the first section body 2 is provided with an annular bearing support 8, and the annular bearing support 8 is fixedly connected with the outer wall of the first section body 2; because the pressure measuring adapter 10 is obliquely arranged after being connected with the pressure sensor 12, the pressure sensor 12 has the possibility of falling due to the existence of gravity, so that the connection is not tight, and the annular bearing support 8 can bear the weight of a part of the pressure sensor 12 so as to ensure that the measuring result is accurate.
The application is further improved in that: a second gasket 9 fixedly connected is arranged on the inner wall of the bearing support; in the use process of the pressure measurement adapter 10, the shell of the engine 11 may vibrate due to the increase of pressure, the pressure sensor 12 vibrates, and the second gasket 9 has a buffering effect on vibration, so that the accuracy of a measurement result is guaranteed.
The above description is only a preferred embodiment of the application and is illustrative of the principles of the technology employed. It will be appreciated by a person skilled in the art that the scope of the invention as referred to in the present application is not limited to the embodiments with a specific combination of the above-mentioned features, but also covers other embodiments with any combination of the above-mentioned features or their equivalents without departing from the inventive concept. For example, the above features may be interchanged with other features disclosed in this application, but not limited to those having similar functions.
Claims (6)
1. A pressure measurement adapter which characterized in that: the method comprises the following steps: the adapter body, the adapter body includes: the device comprises a first section body (1) and a second section body (2), wherein the first section body (1) and the second section body (2) are of an integrated structure, and the diameter of the first section body (1) is smaller than that of the second section body (2); a first pore canal (3) extending along the axial direction of the first section body (1) is arranged in the first section body, and a first groove (4) is arranged in the second section body (2); the first pore canal (3) is communicated with the first groove (4); the side wall of the first section body (1) is provided with an external thread, and an internal thread is arranged in the first groove (4).
2. A pressure measuring adapter as claimed in claim 1, wherein: the outer wall of the first section body (1) is provided with a protection ring (5) in a surrounding mode, and the protection ring (5) is located at one end, close to the second section body (2), of the first section body (1) relatively.
3. A pressure measuring adapter as claimed in claim 2, wherein: and a sealing groove (6) is formed in the side wall, adjacent to the first section body (1), of the protection ring (5), and an O-shaped sealing ring is filled in the sealing groove (6).
4. A pressure measuring adapter as claimed in claim 2, wherein: and a first gasket (7) fixedly connected with the protection ring (5) is also arranged on the side wall of the protection ring (5) adjacent to the first section body (1).
5. A pressure measuring adapter as claimed in claim 1, wherein: the outer wall of the second section body (2) is provided with an annular bearing support (8), and the annular bearing support (8) is fixedly connected with the outer wall of the second section body (2).
6. The pressure measuring adapter of claim 5, wherein: and a second gasket (9) fixedly connected is arranged on the inner wall of the bearing support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921318014.2U CN210464773U (en) | 2019-08-15 | 2019-08-15 | Pressure measurement adapter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921318014.2U CN210464773U (en) | 2019-08-15 | 2019-08-15 | Pressure measurement adapter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210464773U true CN210464773U (en) | 2020-05-05 |
Family
ID=70451404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921318014.2U Active CN210464773U (en) | 2019-08-15 | 2019-08-15 | Pressure measurement adapter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210464773U (en) |
-
2019
- 2019-08-15 CN CN201921318014.2U patent/CN210464773U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A pressure measurement adapter Effective date of registration: 20210105 Granted publication date: 20200505 Pledgee: Chongqing Liangjiang New Area strategic emerging industry equity investment fund partnership (L.P.)|Chongqing Liangjiang New Area Runyi emerging industry equity investment fund partnership (L.P.) Pledgor: Chongqing Zero One Space Technology Group Co.,Ltd.|CHONGQING ONE SPACE AEROSPACE TECHNOLOGY Co.,Ltd.|Beijing Zero One Space Technology Research Institute Co.,Ltd.|Xi'an zero one space technology Co.,Ltd.|Shenzhen Zero One Space Electronics Co.,Ltd. Registration number: Y2021500000001 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PM01 | Change of the registration of the contract for pledge of patent right |
Change date: 20210402 Registration number: Y2021500000001 Pledgee after: Chongqing Liangjiang New Area strategic emerging industry equity investment fund partnership (L.P.) Pledgee before: Chongqing Liangjiang New Area strategic emerging industry equity investment fund partnership (L.P.) Pledgee before: Chongqing Liangjiang New Area Runyi emerging industry equity investment fund partnership (L.P.) |
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| PM01 | Change of the registration of the contract for pledge of patent right | ||
| CP03 | Change of name, title or address |
Address after: 401135 No. 618 Liangjiang Avenue, Longxing Town, Yubei District, Chongqing Patentee after: Chongqing Zero One Space Technology Co.,Ltd. Country or region after: China Patentee after: CHONGQING ONE SPACE AEROSPACE TECHNOLOGY CO.,LTD. Patentee after: Beijing Zero One Space Technology Research Institute Co.,Ltd. Patentee after: Xi'an zero one space technology Co.,Ltd. Patentee after: Beijing zero one space Electronics Co.,Ltd. Address before: 401135 No. 618 Liangjiang Avenue, Longxing Town, Yubei District, Chongqing Patentee before: Chongqing Zero One Space Technology Group Co.,Ltd. Country or region before: China Patentee before: CHONGQING ONE SPACE AEROSPACE TECHNOLOGY CO.,LTD. Patentee before: Beijing Zero One Space Technology Research Institute Co.,Ltd. Patentee before: Xi'an zero one space technology Co.,Ltd. Patentee before: Shenzhen Zero One Space Electronics Co.,Ltd. |
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| CP03 | Change of name, title or address |