CN215893951U - Protection door antiknock performance detection device - Google Patents
Protection door antiknock performance detection device Download PDFInfo
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- CN215893951U CN215893951U CN202122028823.3U CN202122028823U CN215893951U CN 215893951 U CN215893951 U CN 215893951U CN 202122028823 U CN202122028823 U CN 202122028823U CN 215893951 U CN215893951 U CN 215893951U
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- supporting seat
- protective door
- explosion
- detecting
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Abstract
The utility model provides a protective door anti-explosion performance detection device, which belongs to the technical field of protective engineering detection and comprises a hollow shell with openings at two ends, wherein at least one part of the hollow shell is embedded in an explosion test pit, a counterweight plate cover is detachably covered at the opening at the top end of the shell, explosives are placed in an upper chamber of the hollow shell, a supporting seat for placing a protective door to be detected is arranged in a lower chamber of the hollow shell, and a plurality of pressure sensors for detecting explosion impact force are arranged on the periphery of the supporting seat. The device for detecting the anti-explosion performance of the protective door can directly obtain the detection result of the anti-explosion performance of the protective door, and the detection result is high in accuracy.
Description
Technical Field
The utility model relates to the technical field of protection engineering tests, in particular to a device for detecting the anti-explosion performance of a protective door.
Background
At present, in order to perform the normal functions of war, the civil air defense engineering generally needs to be provided with a series of structures and equipment in advance in the engineering, such as plugging equipment of an entrance and an exit, ventilation equipment in the engineering, water supply and drainage equipment and the like. Many of the devices are required to have the capability of protecting against blast shock waves during a war, and therefore many of the devices within the civil air defense project are also referred to as protective equipment, such as protective doors.
The protective door is generally installed at the entrance and exit of the civil air defense project and mainly bears the impact damage of the blast shock wave in wartime, and whether the protective door can meet the requirement of the designed antiknock performance relates to the protective efficiency of the whole project in wartime and the safety of personnel in the project.
At present, the error of the antiknock performance of the protective door calculated by a numerical calculation or numerical simulation method is large, and the requirements of the antiknock performance detection on the directness, the accuracy and the like are difficult to achieve.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide the device for detecting the anti-explosion performance of the protective door, which can directly obtain the detection result of the anti-explosion performance of the protective door and has good repeatability and high accuracy of the detection result.
In order to achieve the purpose, the utility model is realized by adopting the following technical scheme:
the utility model provides a protective door anti-explosion performance detection device which comprises a hollow shell with openings at two ends, wherein at least one part of the hollow shell is embedded in an explosion test pit, a plate cover with a balance weight is detachably arranged at an opening at the top end of the shell, explosives are placed in an upper cavity of the hollow shell, a supporting seat for placing a protective door to be detected is arranged in a lower cavity of the hollow shell, and a plurality of pressure sensors for detecting explosion impact force are arranged on the periphery of the supporting seat.
Further, pressure sensor follows supporting seat circumference evenly sets up, and with wait to detect on the supporting seat and detect guard gate and be in the coplanar.
Furthermore, at least two supporting columns are arranged in the lower cavity of the hollow shell, the bottom ends of the supporting columns are fixed on the bottom surface of the test pit, and the supporting seat is fixedly installed at the top ends of the supporting columns.
Furthermore, a medium is filled in the cavity below the hollow shell, the support seat is embedded in the medium, and the top surface of the support seat is level to the top surface of the medium.
Furthermore, an operation well is arranged on the outer side of the side wall of the hollow shell.
Furthermore, a threading hole is formed in the side wall of the hollow shell corresponding to the operation well, and the position of an inner wall port of the threading hole is lower than that of the pressure sensor and is used for threading a signal wire connected with the pressure sensor.
Furthermore, a window is arranged on the side wall of the hollow shell corresponding to the operation well.
Furthermore, at least one lighting hole is formed in the side wall of the hollow shell.
Furthermore, an annular boss extending outwards is arranged on the outer side of the bottom end of the hollow shell, and the annular boss is buried in the test pit.
Further, the hollow shell is cylindrical or cuboid.
Compared with the prior art, the utility model has the following beneficial effects:
according to the device for detecting the anti-explosion performance of the protective door, at least one part of the hollow shell is placed in the explosion test pit on the bearing ground, the explosive is placed in the hollow cavity, the supporting seat for placing the protective door and the pressure sensor for detecting the pressure of the explosion shock wave are arranged, the structural design of the whole device can directly simulate and obtain the anti-explosion performance of the protective door under the action of the explosion shock wave, the protective door is designed or checked for service, the practicability is high, and the device has certain popularization performance.
Drawings
Fig. 1 is a structural sectional view of an anti-explosion performance detection apparatus for a protective door according to an embodiment of the present invention;
fig. 2 is a top view of an apparatus for detecting an anti-explosion performance of a protection door according to an embodiment of the present invention.
In the figure:
1. a ground surface; 2. a housing; 3. a plate cover; 4. a chamber; 5. coarse sand medium; 6. an explosive; 7. a supporting seat; 8. a pressure sensor; 9. a signal line; 10. threading holes; 11. a window; 12. operating a well; 13. an illumination aperture; 14. a base; 15. a boss; 16. and (4) balancing weight.
Detailed Description
The utility model is further described below with reference to the accompanying drawings. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
As shown in fig. 1, an embodiment of the present invention provides an apparatus for detecting an anti-explosion performance of a large-sized protective door, which is used for simulating and detecting the anti-explosion performance of the large-sized protective door.
The device includes both ends open-ended cavity casing 2, and cavity casing 2 at least partly embedded installs in explosion test hole, and cavity casing 2 overall dimension size and test hole size phase-match. In this embodiment, the hollow casing 2 can also be completely embedded in the test pit, and the top end of the casing 2 is flush with the top surface of the ground 1 of the test pit.
The plate cover 3 with the counterweight 16 is detachably arranged at the opening at the top end of the shell 2, and the weight of the counterweight 16 of the plate cover 3 is determined according to the test load requirement.
The inner cavity of the whole hollow shell 2 is divided into an upper chamber 4 and a lower chamber 4.
Wherein, the explosive 6 is arranged in the upper chamber 4 of the hollow shell 2 and used for generating shock waves for simulating explosion, the explosive 6 can be arranged in the upper chamber 4 in a suspension way and the like, and the amount of the explosive 6 is properly adjusted according to the test load requirement. A supporting seat 7 for placing a protective door to be detected is arranged in the lower cavity 4 of the hollow shell 2, and a plurality of pressure sensors 8 for detecting the pressure of explosion shock waves are arranged around the supporting seat 7.
According to the device for detecting the anti-explosion performance of the protective door, at least one part of the hollow shell 2 is arranged in the explosion test pit of the bearing ground 1, the explosive 6 for preventing simulated explosion is arranged in the hollow cavity 4, the supporting seat 7 for placing the protective door is arranged, and the pressure sensor 8 for detecting the pressure of the explosion shock wave is arranged.
In some embodiments, the pressure sensor 8 is disposed in the same plane as the protection door to be detected on the supporting seat 7, so as to more accurately obtain the same shock wave pressure as the protection door. The pressure sensor 8 may be fixed and mounted in various ways such as a bracket.
In order to obtain more accurate detection data, the pressure sensors 8 are uniformly arranged around the supporting seat 7, and the number of the pressure sensors is more than 3.
In some embodiments, at least two pillars are disposed in the lower chamber 4 of the hollow housing 2, the bottom ends of the pillars are fixed on the bottom surface of the test pit, and the supporting base 7 is fixedly mounted on the top ends of the pillars. Specifically, the length of the supporting column is slightly larger than the width of the protective door, and the distance between the outer sides of the supporting columns is equal to the length of the protective door.
In some embodiments, the lower chamber 4 of the hollow shell 2 is filled with a coarse sand medium 5, and the coarse sand medium 5 is used for bearing a support seat 7, a protective door placed on the support seat 7 and a pressure sensor 8. Wherein, the supporting seat 7 is embedded into the coarse sand medium 5 and the top surface of the supporting seat 7 is level with the top surface of the coarse sand medium 5.
In this embodiment, also can set up the pillar in the grit medium 5, support the supporting seat 7 that is used for placing the guard gate through grit medium 5 and pillar jointly, play better support firm effect.
In some embodiments, a service well 12 is provided outside the side wall of the hollow housing 2.
The side wall of the hollow shell 2 corresponding to the operation well 12 is provided with a threading hole 10, the threading hole 10 can be 1 or multiple, and the position of the inner wall port of the threading hole 10 is lower than that of the pressure sensor 8 and is used for penetrating through the signal line 9 connected with the pressure sensor 8.
The hollow shell 2 is filled with a medium 5, such as a coarse sand medium, and the signal wire 9 is embedded in the coarse sand medium 5, so that the impact of the explosion shock wave can be avoided or reduced.
In order to observe the inside of the hollow casing 2 conveniently, a window 11 is opened on the side wall of the hollow casing 2 corresponding to the operation well 12.
In this embodiment, at least one illumination hole 13 is formed on the side wall of the hollow housing 2.
In some embodiments, the hollow housing 2 is cylindrical or rectangular parallelepiped, or the like. Wherein, the shell 2 is of a reinforced concrete structure or an explosion-proof steel plate structure.
An annular base 14 matched with the cross section profile of the hollow shell 2 is further arranged in the test pit, and the hollow shell 2 is fixedly arranged on the base 14.
For more firm setting in experimental hole, the outside of casing 2 bottom is equipped with the annular boss 15 that outwards stretches out, and annular boss 15 landfill is in experimental hole to make casing 2 more firm when the simulated explosion.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a protection door antiknock performance detection device, its characterized in that includes both ends open-ended cavity casing, the cavity casing is at least partly embedded installs in explosion test hole, casing top opening part detachable is equipped with the board lid that has the counter weight, the explosive has been placed in the upper chamber of cavity casing, be equipped with the supporting seat that is used for placing the protection door of waiting to detect in the lower cavity of cavity casing, the supporting seat is equipped with the pressure sensor that a plurality of is used for detecting the blast impact force all around.
2. The device for detecting the antiknock performance of the protective door according to claim 1, wherein the pressure sensors are uniformly arranged along the circumferential direction of the supporting seat and are located on the same plane as the protective door to be detected on the supporting seat.
3. The apparatus for detecting the antiknock performance of a guard gate according to claim 1 or 2, wherein at least two pillars are disposed in the lower chamber of the hollow casing, the bottom ends of the pillars are fixed on the bottom surface of the test pit, and the supporting seat is fixedly mounted on the top ends of the pillars.
4. The apparatus of claim 3, wherein the hollow casing lower chamber is filled with a medium, the supporting seat is embedded in the medium, and the supporting seat top surface and the medium top surface are flat.
5. The apparatus for detecting the antiknock performance of a protective door according to claim 1, wherein a service well is provided outside the sidewall of the hollow housing.
6. The explosion-proof performance detection device of the protective door according to claim 5, wherein a threading hole is formed in the side wall of the hollow shell corresponding to the operation well, and the position of the port of the inner wall of the threading hole is lower than that of the pressure sensor and is used for threading a signal wire connected with the pressure sensor.
7. The apparatus for detecting the antiknock performance of a safety door according to claim 5, wherein a window is formed in a side wall of the hollow housing corresponding to the operation well.
8. The explosion-proof performance detection device of the protective door according to claim 1 or 5, wherein at least one lighting hole is formed on the side wall of the hollow shell.
9. The explosion-proof performance detection device of the guard gate of claim 1, wherein an annular boss extending outwards is arranged on the outer side of the bottom end of the hollow shell, and the annular boss is buried in the test pit.
10. The apparatus for detecting the antiknock performance of a protective door according to claim 1, wherein the hollow housing has a cylindrical or rectangular parallelepiped shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028823.3U CN215893951U (en) | 2021-08-26 | 2021-08-26 | Protection door antiknock performance detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122028823.3U CN215893951U (en) | 2021-08-26 | 2021-08-26 | Protection door antiknock performance detection device |
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| CN215893951U true CN215893951U (en) | 2022-02-22 |
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| CN202122028823.3U Active CN215893951U (en) | 2021-08-26 | 2021-08-26 | Protection door antiknock performance detection device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114909960A (en) * | 2022-06-01 | 2022-08-16 | 天津航天瑞莱科技有限公司 | Antiknock gallery suitable for quiet power of exploding of large-scale ammunition gallery aassessment |
| CN114935515A (en) * | 2022-05-18 | 2022-08-23 | 南京理工大学 | Antiknock performance test device of guard gate |
| CN116735388A (en) * | 2023-08-15 | 2023-09-12 | 航天氢能科技有限公司 | System and method for testing anti-explosion performance of hydrogen explosion anti-explosion material |
-
2021
- 2021-08-26 CN CN202122028823.3U patent/CN215893951U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114935515A (en) * | 2022-05-18 | 2022-08-23 | 南京理工大学 | Antiknock performance test device of guard gate |
| CN114935515B (en) * | 2022-05-18 | 2023-03-14 | 南京理工大学 | Antiknock performance testing arrangement of guard gate |
| CN114909960A (en) * | 2022-06-01 | 2022-08-16 | 天津航天瑞莱科技有限公司 | Antiknock gallery suitable for quiet power of exploding of large-scale ammunition gallery aassessment |
| CN116735388A (en) * | 2023-08-15 | 2023-09-12 | 航天氢能科技有限公司 | System and method for testing anti-explosion performance of hydrogen explosion anti-explosion material |
| CN116735388B (en) * | 2023-08-15 | 2024-02-13 | 航天氢能科技有限公司 | System and method for testing anti-explosion performance of hydrogen explosion anti-explosion material |
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