CN213516269U - High-pressure gas impact test release pipe fixing device - Google Patents
High-pressure gas impact test release pipe fixing device Download PDFInfo
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- CN213516269U CN213516269U CN202022227896.0U CN202022227896U CN213516269U CN 213516269 U CN213516269 U CN 213516269U CN 202022227896 U CN202022227896 U CN 202022227896U CN 213516269 U CN213516269 U CN 213516269U
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- 238000009863 impact test Methods 0.000 title claims abstract description 17
- 239000012634 fragment Substances 0.000 claims abstract description 26
- 238000013016 damping Methods 0.000 claims abstract description 13
- 238000005253 cladding Methods 0.000 claims abstract description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 32
- 239000010935 stainless steel Substances 0.000 claims description 32
- 239000003638 chemical reducing agent Substances 0.000 claims description 18
- 238000007789 sealing Methods 0.000 claims description 10
- 230000000452 restraining effect Effects 0.000 claims description 5
- 230000001681 protective effect Effects 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 8
- 230000006378 damage Effects 0.000 abstract description 8
- 239000010959 steel Substances 0.000 abstract description 8
- 238000010521 absorption reaction Methods 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 5
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 230000003139 buffering effect Effects 0.000 abstract description 3
- 238000002474 experimental method Methods 0.000 description 6
- 230000002093 peripheral effect Effects 0.000 description 5
- 230000010354 integration Effects 0.000 description 3
- 238000005422 blasting Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model relates to a high-pressure gas impact test release pipe fixing device, including bearing fossil fragments, a baffle, sleeve restraint support, cross restraint frame, high-pressure resistant nonrust steel pipe, the reducing pipe, buffer sleeve, the buffering damping, high-pressure gas release pipe jet orifice and high-pressure gas entry, the baffle cladding is at bearing fossil fragments surface, high-pressure gas release pipe jet orifice is connected with bearing fossil fragments up end, high-pressure gas release pipe jet orifice passes through reducing pipe and high-pressure resistant nonrust steel pipe intercommunication, high-pressure resistant nonrust steel pipe up end and buffer sleeve intercommunication, high-pressure resistant nonrust steel pipe and high-pressure gas entry intercommunication, the buffering damping inlays in buffer sleeve intraductally, offset with buffer sleeve up end. On one hand, the novel device can effectively prevent the situation that the impacted medium is crushed and thrown to damage surrounding personnel and equipment; on the other hand, the shock absorption and adsorption of impact acting force caused by high-pressure gas release operation on equipment such as a release pipeline can be effectively eliminated.
Description
Technical Field
The utility model relates to a gas impact experimental apparatus, exactly a high-pressure gas impact test release pipe fixing device.
Background
The high-pressure gas impact action is to release a large amount of high-pressure gas instantly, so that the blasting effect can be achieved, the dependence on explosives is reduced to a certain extent, but the theory in the high-pressure gas impact field is immature, and a large amount of indoor tests need to be researched and the theoretical basis needs to be perfected. The high-pressure gas is often sprayed out through a steel release pipe in a high-pressure gas impact test, part of the high-pressure gas instantaneously released through the release pipe is used for blasting work, but the release pipe can form great recoil force at the same time, and on one hand, the damage to peripheral personnel and equipment caused by the phenomena of crushing and throwing of an impacted medium under the impact action force is extremely easy to cause; on the other hand, the device such as the air duct for the experiment is easy to vibrate or even damage due to the reaction force in the impact laboratory, so that serious equipment failure and safety accidents are caused, and the experiment precision is also easy to be influenced due to the vibration of the device such as the pipeline.
Therefore, in order to meet the current situation, a brand new high-pressure gas impact test release pipe fixing device is urgently needed to be developed so as to meet the actual use requirement.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model provides a high-pressure gas impact test release pipe fixing device, which has simple structure and high integration, and can effectively prevent the situation that the impact medium is broken and thrown under the impact action of high-pressure gas to damage peripheral personnel and equipment; on the other hand, the shock absorption and adsorption of impact acting force caused by high-pressure gas release operation on equipment such as a release pipeline can be effectively eliminated, and the positioning stability of the high-pressure gas release pipeline is effectively improved, so that the operation stability, the reliability and the experimental result precision of high-pressure gas release experimental equipment are improved.
In order to achieve the above purpose, the present invention is realized by the following technical solution:
a high-pressure gas impact test release pipe fixing device comprises a bearing keel, a baffle, a sleeve restraint bracket, a cross restraint bracket, a high-pressure resistant stainless steel pipe, a reducer pipe, a buffer sleeve, a buffer damper, a high-pressure gas release pipe jet orifice and a high-pressure gas inlet, wherein the bearing keel is of a frame structure with a rectangular cross section, the baffle is coated on the outer surface of the bearing keel, the high-pressure gas release pipe jet orifice is embedded in the bearing keel and is connected with the upper end surface of the bearing keel and coaxially distributed, the high-pressure gas release pipe jet orifice is communicated with the high-pressure resistant stainless steel pipe through the reducer pipe, the upper end surface of the high-pressure resistant stainless steel pipe is communicated with the buffer sleeve, the high-pressure resistant stainless steel pipe, the reducer pipe, the buffer sleeve and the high-pressure gas release pipe jet orifice are coaxially distributed, a flow guide orifice is arranged on the side surface of, the flow guide port and the high-pressure gas inlet are coaxially distributed, the axis of the high-pressure gas inlet is perpendicular to and intersected with the axis of the high-pressure resistant stainless steel pipe, the high-pressure gas inlet is located below the buffer sleeve, the interval between the high-pressure gas inlet and the lower end face of the buffer sleeve is 5% -30% of the length of the high-pressure resistant stainless steel pipe, the buffer damper is embedded in the buffer sleeve, the buffer damper abuts against the upper end face of the buffer sleeve and is coaxially distributed with the buffer sleeve, the interval between the lower end face of the buffer damper and the upper end face of the high-pressure resistant stainless steel pipe is 10% -30% of the length of the buffer sleeve, the buffer sleeve is connected with the upper end face of the bearing keel through the sleeve restraining support, and the.
Furthermore, the bearing keel is of a cubic frame structure, the outer surface of the bearing keel is connected with the baffle through bolts, elastic sealing gaskets are arranged between the baffle and the bearing keel and between contact surfaces of the baffle and the baffle, the baffle is coated on the outer surface of the bearing keel and forms an impact cavity of a closed cavity structure with the bearing keel, an impacted medium is arranged in the impact cavity, and the distance between the upper end surface of the impacted medium and the jet opening of the high-pressure gas release pipe is 1/2 from 0 to the height of the bearing keel.
Further, sleeve restraint support include connecting rod, uide bushing, connecting thread and locating pin, the connecting rod is two at least, its rear end face with bear the weight of fossil fragments up end and be connected and the symmetric distribution in bearing fossil fragments axis both sides, just the connecting rod is 30-90 contained angle with bearing fossil fragments up end, the uide bushing is located and bears fossil fragments top and bear the weight of coaxial distribution of fossil fragments, and the uide bushing lateral surface is connected with the preceding terminal surface of connecting rod, establish connecting thread in the uide bushing, the uide bushing cladding is outside the buffer sleeve pipe and is connected and coaxial distribution through connecting thread and buffer sleeve, at least one of locating pin inlays in its axis of uide bushing lateral surface and the perpendicular distribution of uide bushing axis, the terminal surface is located outside the uide bushing before the locating pin, the rear end face is located the uide bushing and is connected with.
Further, cross restraint frame include reference column, protecting pipe, the protecting pipe cladding outside the reducing pipe and with the coaxial distribution of reducing pipe, and protecting pipe terminal surface offsets with the baffle up end that bears the fossil fragments up end under the protecting pipe, the reference column totally four, encircles protecting pipe axis equipartition, and each reference column axis and bear the fossil fragments up end and personally submit 0-30 contained angle, its preceding terminal surface and protecting pipe surface connection, the rear end face with bear the fossil fragments up end and be connected, and encircle between each reference column and protect the sleeve pipe axis and be "ten" font structural distribution.
Furthermore, the inner surface of the protecting sleeve is provided with an elastic lining and is connected with the outer surface of the reducer pipe through the elastic lining.
Furthermore, the buffer damper comprises an elastic sealing ring, a pressure bearing spring and a bearing tray, wherein the bearing tray is positioned above the high-pressure-resistant stainless steel pipe, the rear end face of the bearing tray is connected with the upper end face of the buffer sleeve through the pressure bearing spring, the side wall of the bearing tray is in sliding connection with the inner surface of the side wall of the buffer sleeve, the elastic sealing rings are a plurality of and are uniformly distributed on the contact surface positions of the inner side face of the buffer sleeve, the high-pressure-resistant stainless steel pipe and the side surface of the bearing tray from top to bottom along the.
Furthermore, a control valve is arranged at the connecting position of the high-pressure resistant stainless steel pipe, the reducer pipe and the high-pressure gas inlet.
The novel structure is simple, the integration is high, and on one hand, the damage to peripheral personnel and equipment caused by crushing and throwing of an impacted medium under the impact action of high-pressure gas can be effectively prevented; on the other hand, the shock absorption and adsorption of impact acting force caused by high-pressure gas release operation on equipment such as a release pipeline can be effectively eliminated, and the positioning stability of the high-pressure gas release pipeline is effectively improved, so that the operation stability, the reliability and the experimental result precision of high-pressure gas release experimental equipment are improved.
Drawings
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments.
FIG. 1 is a schematic side view of the present invention;
FIG. 2 is a schematic cross-sectional view of the guide sleeve;
fig. 3 is a schematic sectional view of the damping device.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in figures 1-3, a high pressure gas impact test release pipe fixing device comprises a bearing keel 1, a baffle plate 2, a sleeve constraint support 3, a cross constraint frame 4, a high pressure resistant stainless steel pipe 5, a reducer pipe 6, a buffer sleeve 7, a buffer damper 8, a high pressure gas release pipe jet orifice 9 and a high pressure gas inlet 10, wherein the bearing keel 1 is a frame structure with a rectangular cross section, the baffle plate 2 is coated on the outer surface of the bearing keel 1, the high pressure gas release pipe jet orifice 9 is embedded in the bearing keel 1 and is connected with the upper end surface of the bearing keel 1 and coaxially distributed, the high pressure gas release pipe jet orifice 9 is communicated with the high pressure resistant stainless steel pipe 5 through the reducer pipe 6, the upper end surface of the high pressure resistant stainless steel pipe 5 is communicated with the buffer sleeve 7, the high pressure resistant stainless steel pipe 5, the reducer pipe 6, the buffer sleeve 7 and the high pressure gas release pipe jet orifice 9 are coaxially distributed, the side surface of the high pressure resistant stainless steel pipe 5 is provided with a diversion port 11 which is communicated with a high pressure gas inlet 10 through the diversion port 11, the diversion port 11 and the high pressure gas inlet 10 are coaxially distributed, and the axis of the high-pressure gas inlet 10 is vertical to and intersected with the axis of the high-pressure resistant stainless steel pipe 5, the high-pressure gas inlet 10 is positioned below the buffer sleeve 7, the distance between the buffer sleeve 7 and the lower end face of the buffer sleeve is 5 to 30 percent of the length of the high-pressure resistant stainless steel pipe 5, the buffer damper 8 is embedded in the buffer sleeve 7, the buffer damping device is abutted to the upper end face of the buffer sleeve 7 and coaxially distributed with the buffer sleeve 7, the distance between the lower end face of the buffer damping device 8 and the upper end face of the high-pressure-resistant stainless steel pipe 5 is 10% -30% of the length of the buffer sleeve 7, the buffer sleeve 7 is connected with the upper end face of the bearing keel 1 through the sleeve restraining support 3, and the reducer pipe 6 is connected with the upper end face of the bearing keel 1 through the cross restraining support 4.
The bearing keel 1 is of a cubic frame structure, the outer surface of the bearing keel 1 is connected with the baffle 2 through bolts, elastic sealing gaskets 12 are arranged between the baffle 2 and the bearing keel 1 and between contact surfaces of the baffle and the baffle, the baffle 2 is coated on the outer surface of the bearing keel 1 and forms an impact cavity of a closed cavity structure with the bearing keel 1, an impacted medium 13 is arranged in the impact cavity, and the distance between the upper end surface of the impacted medium 13 and the jet opening 9 of the high-pressure gas release pipe is 0-1/2 of the height of the bearing keel 1.
It is important to point out that the sleeve restraint bracket 3 comprises a connecting rod 31, a guide sleeve 32, a connecting thread 33 and a positioning pin 34, at least two connecting rods 31, the rear end surface of the bearing keel is connected with the upper end surface of the bearing keel 1 and symmetrically distributed on two sides of the axis of the bearing keel 1, the connecting rod 31 and the upper end surface of the bearing keel 1 form an included angle of 30-90 degrees, the guide sleeve 32 is positioned above the bearing keel 1 and is coaxially distributed with the bearing keel 1, the outer side surface of the guide sleeve 32 is connected with the front end surface of the connecting rod 31, a connecting thread 33 is arranged in the guide sleeve 32, the guide sleeve 32 is covered outside the buffer sleeve 7 and is connected with the buffer sleeve 7 through a connecting thread 33 and is coaxially distributed, at least one positioning pin 34 is embedded on the side surface of the guide sleeve 32, the axis of the positioning pin is vertical to the axis of the guide sleeve 32, the front end face of the positioning pin 34 is positioned outside the guide sleeve 32, and the rear end face is positioned inside the guide sleeve 32 and connected with the outer surface of the buffer sleeve 7.
And simultaneously, cross restraint frame 4 include reference column 41, protecting pipe 42 cladding outside reducing pipe 6 and with the coaxial distribution of reducing pipe 6, and protecting pipe 42 lower extreme face offsets with the baffle up end that bears 1 up end of fossil fragments, reference column 41 is four altogether, encircles protecting pipe 42 axis equipartition, and each locating lever 41 axis and bear 1 up end of fossil fragments and personally submit 0-30 contained angle, its preceding terminal surface and protecting pipe 42 surface connection, the rear end face with bear 1 up end of fossil fragments and be connected, and each reference column 41 is interior to encircle protecting pipe 42 axis and be "ten" font structure distribution.
Preferably, the inner surface of the sheath tube 42 is provided with an elastic lining 43, and is connected with the outer surface of the reducer pipe 6 through the elastic lining 43.
In addition, the buffer damper 8 comprises an elastic sealing ring 81, a pressure-bearing spring 82 and a bearing tray 83, the bearing tray 83 is positioned above the high-pressure-resistant stainless steel pipe 5, the rear end face of the bearing tray 83 is connected with the upper end face of the buffer sleeve 7 through the pressure-bearing spring 82, the side wall of the bearing tray 83 is in sliding connection with the inner surface of the side wall of the buffer sleeve 7, and a plurality of elastic sealing rings 81 are uniformly distributed on the contact surface positions of the inner side face of the buffer sleeve 7, the high-pressure-resistant stainless steel pipe 5 and the side surface of the bearing tray 83 from top to bottom along the.
In this embodiment, a control valve 14 is disposed at the position where the high pressure resistant stainless steel pipe 5 is connected to the reducer pipe 6 and the high pressure gas inlet 10.
This is novel in the concrete implementation, at first to constituting this neotype fossil fragments that bear, the baffle, sleeve restraint support, cross restraint frame, high pressure resistant nonrust steel pipe, the reducing pipe, buffer tube, the damping of buffering, high-pressure gas release pipe jet orifice and high-pressure gas entry are assembled, wherein bear the fossil fragments and be connected it with the baffle, will be strikeed the medium state earlier and bear the impact intracavity that fossil fragments and baffle constitute, then connect the baffle, will bear the nonrust steel pipe of high pressure through high-pressure gas entry and outside high-pressure gas source intercommunication afterwards, can accomplish this novel assembly.
When carrying out the high-pressure gas and assaulting the experiment, high-pressure gas passes through the nonrust steel pipe water conservancy diversion of high pressure resistant to through reducing pipe after to the air current rectification through the high-pressure gas release pipe jet orifice direct injection to bear fossil fragments, the impact by the impact medium of the impact intracavity that the baffle constitutes, accomplish the impact experiment, and bear the protection through assaulting the chamber when assaulting the medium by the gas impact of high enterprise and splashing in the impact experiment process, prevent the injury that the material that splashes caused peripheral personnel and equipment.
Meanwhile, in the impact experiment process, on one hand, the buffer sleeve and the reducer pipe are simultaneously subjected to forced rigid positioning constraint through the sleeve constraint support and the cross constraint support, so that the shock condition of the buffer sleeve and the reducer pipe caused by the recoil action force is prevented; on the other hand through in the buffer damping of buffer sleeve pressure-bearing spring elastic deformation effort and bear the tray along buffer sleeve axis direction displacement to reach and carry out elastic absorption and slow release to the impact effort through buffer damping, thereby reach and reduce the recoil effort and to this novel well, high pressure resistant stainless steel pipe, reducing pipe cause influence and harm.
The novel structure is simple, the integration is high, and on one hand, the damage to peripheral personnel and equipment caused by crushing and throwing of an impacted medium under the impact action of high-pressure gas can be effectively prevented; on the other hand, the shock absorption and adsorption of impact acting force caused by high-pressure gas release operation on equipment such as a release pipeline can be effectively eliminated, and the positioning stability of the high-pressure gas release pipeline is effectively improved, so that the operation stability, the reliability and the experimental result precision of high-pressure gas release experimental equipment are improved.
Those skilled in the art should understand that the present invention is not limited by the above embodiments. The foregoing embodiments and description have been made only for the purpose of illustrating the principles of the invention. The present invention can be further modified and improved without departing from the spirit and scope of the present invention. Such changes and modifications are intended to be within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a high-pressure gas impact test release pipe fixing device which characterized in that: the high-pressure gas impact test release pipe fixing device comprises a bearing keel, a baffle, a sleeve restraining support, a cross restraining frame, a high-pressure-resistant stainless steel pipe, a reducer pipe, a buffer sleeve, a buffer damper, a high-pressure gas release pipe jet orifice and a high-pressure gas inlet, wherein the cross section of the bearing keel is of a rectangular frame structure, the baffle is coated on the outer surface of the bearing keel, the high-pressure gas release pipe jet orifice is embedded in the bearing keel and is connected with the upper end surface of the bearing keel and coaxially distributed, the high-pressure gas release pipe jet orifice is communicated with the high-pressure-resistant stainless steel pipe through the reducer pipe, the upper end surface of the high-pressure-resistant stainless steel pipe is communicated with the buffer sleeve, the high-pressure-resistant stainless steel pipe, the reducer pipe, the buffer sleeve and the high-pressure gas release pipe jet orifice are coaxially distributed, and a flow, the buffer damping device is characterized in that the buffer damping device is communicated with a high-pressure gas inlet through a flow guide port, the flow guide port and the high-pressure gas inlet are coaxially distributed, the axis of the high-pressure gas inlet is perpendicular to and intersected with the axis of a high-pressure resistant stainless steel pipe, the high-pressure gas inlet is located below a buffer sleeve, the distance between the high-pressure gas inlet and the lower end face of the buffer sleeve is 5% -30% of the length of the high-pressure resistant stainless steel pipe, the buffer damping is embedded in the buffer sleeve, abuts against the upper end face of the buffer sleeve and is coaxially distributed with the buffer sleeve, the distance between the lower end face of the buffer damping and the upper end face of the high-pressure resistant stainless steel pipe is 10% -30% of the length of the buffer sleeve, the buffer sleeve is connected with the upper end face of the.
2. The high-pressure gas impact test release tube fixing device according to claim 1, wherein: the bearing keel is of a cubic frame structure, the outer surface of the bearing keel is connected with the baffle through bolts, elastic sealing gaskets are arranged between the baffle and the bearing keel and between contact surfaces of the baffle and the baffle, the baffle is coated on the outer surface of the bearing keel and forms an impact cavity of a closed cavity structure with the bearing keel, an impacted medium is arranged in the impact cavity, and the distance between the upper end surface of the impacted medium and a jet opening of the high-pressure gas release pipe is 0-1/2 of the height of the bearing keel.
3. The high-pressure gas impact test release tube fixing device according to claim 1, wherein: the sleeve restraint support include connecting rod, uide bushing, connecting thread and locating pin, the connecting rod is two at least, and its rear end face is connected and the symmetric distribution is in bearing fossil fragments axis both sides with bearing fossil fragments up end, just the connecting rod is 30-90 contained angles with bearing fossil fragments up end, the uide bushing is located and bears fossil fragments top and bears the coaxial distribution of fossil fragments, and the uide bushing lateral surface is connected with the preceding terminal surface of connecting rod, establish connecting thread in the uide bushing, the uide bushing cladding is outside the buffer sleeve and through connecting thread and buffer sleeve connection and coaxial distribution, the locating pin is at least one, inlays in its axis of uide bushing lateral surface and the perpendicular distribution of uide bushing axis, the terminal surface is located outside the uide bushing before the locating pin, the rear end face is located the uide bushing and is connected with buffer.
4. The high-pressure gas impact test release tube fixing device according to claim 1, wherein: the cross restraint frame include reference column, protecting pipe, the protecting pipe cladding outside the reducing pipe and with the coaxial distribution of reducing pipe, and terminal surface offsets with the baffle up end that bears the fossil fragments up end under the protecting pipe, the reference column totally four, encircles protecting pipe axis equipartition, and each reference column axis and bear the fossil fragments up end and personally submit 0-30 contained angle, its preceding terminal surface and protecting pipe surface connection, the rear end face with bear the fossil fragments up end and be connected, and encircle between each reference column and protect the sleeve pipe axis and be "ten" font structural distribution.
5. The high-pressure gas impact test release tube fixing device according to claim 4, wherein: the inner surface of the protective sleeve is provided with an elastic lining and is connected with the outer surface of the reducer pipe through the elastic lining.
6. The high-pressure gas impact test release tube fixing device according to claim 1, wherein: the buffer damping comprises an elastic sealing ring, a pressure bearing spring and a bearing tray, wherein the bearing tray is positioned above the high-pressure-resistant stainless steel pipe, the rear end face of the bearing tray is connected with the upper end face of the buffer sleeve through the pressure bearing spring, the side wall of the bearing tray is in sliding connection with the inner surface of the side wall of the buffer sleeve, the elastic sealing ring is a plurality of elastic sealing rings, and the positions of the contact surfaces of the inner side face of the buffer sleeve, the high-pressure-resistant stainless steel pipe and the side surface of the bearing tray are uniformly.
7. The high-pressure gas impact test release tube fixing device according to claim 1, wherein: and a control valve is arranged at the connecting position of the high-pressure resistant stainless steel pipe, the reducer pipe and the high-pressure gas inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022227896.0U CN213516269U (en) | 2020-10-09 | 2020-10-09 | High-pressure gas impact test release pipe fixing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022227896.0U CN213516269U (en) | 2020-10-09 | 2020-10-09 | High-pressure gas impact test release pipe fixing device |
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| CN213516269U true CN213516269U (en) | 2021-06-22 |
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| CN202022227896.0U Expired - Fee Related CN213516269U (en) | 2020-10-09 | 2020-10-09 | High-pressure gas impact test release pipe fixing device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740019A (en) * | 2021-10-08 | 2021-12-03 | 长沙天映航空装备有限公司 | Unmanned aerial vehicle horizontal impact test system |
| CN113959869A (en) * | 2021-09-28 | 2022-01-21 | 河南理工大学 | High-pressure gas blasting experimental device and using method |
-
2020
- 2020-10-09 CN CN202022227896.0U patent/CN213516269U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113959869A (en) * | 2021-09-28 | 2022-01-21 | 河南理工大学 | High-pressure gas blasting experimental device and using method |
| CN113959869B (en) * | 2021-09-28 | 2023-09-19 | 河南理工大学 | High-pressure gas explosion experiment device and use method |
| CN113740019A (en) * | 2021-10-08 | 2021-12-03 | 长沙天映航空装备有限公司 | Unmanned aerial vehicle horizontal impact test system |
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Granted publication date: 20210622 |