CN219348778U - Air inlet type explosion performance experimental device based on multiple air cylinders - Google Patents
Air inlet type explosion performance experimental device based on multiple air cylinders Download PDFInfo
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- CN219348778U CN219348778U CN202320337787.5U CN202320337787U CN219348778U CN 219348778 U CN219348778 U CN 219348778U CN 202320337787 U CN202320337787 U CN 202320337787U CN 219348778 U CN219348778 U CN 219348778U
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- air inlet
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- 238000004880 explosion Methods 0.000 title claims abstract description 25
- 238000012360 testing method Methods 0.000 claims abstract description 13
- 238000007789 sealing Methods 0.000 claims description 27
- 238000005422 blasting Methods 0.000 claims description 9
- 230000005540 biological transmission Effects 0.000 claims description 6
- 238000003756 stirring Methods 0.000 claims description 5
- 239000000779 smoke Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 3
- 238000009423 ventilation Methods 0.000 claims description 2
- 238000011056 performance test Methods 0.000 claims 1
- 239000007789 gas Substances 0.000 abstract description 70
- 230000000007 visual effect Effects 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 5
- 239000011521 glass Substances 0.000 description 4
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005389 magnetism Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/30—Use of alternative fuels, e.g. biofuels
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Abstract
The utility model belongs to the field of experimental equipment, and particularly relates to an air inlet type explosion performance experimental device based on multiple air cylinders, which comprises a conveying device, a temporary storage bin and an explosion performance testing device, wherein the conveying device is vertically fixed with multiple air cylinders, the bottom of each air cylinder is provided with a rubber plug, a pushing mechanism for pushing the rubber plug is arranged below the conveying device, the pushing mechanism comprises a hydraulic push rod and an air inlet push plate fixed with the output end of the hydraulic push rod, the top of the air inlet push plate is provided with a magnetic element, the bottom of the rubber plug is provided with a magnetic suction cup, the temporary storage bin is used for mixing air entering from the air cylinders, and the explosion performance testing device is used for igniting and burning mixed air entering from the temporary storage bin; according to the utility model, the manual strength can be reduced by conveying the inflator by using the conveying device, and the inflator can be rapidly switched so as to rapidly determine the burning and explosion performances of various gases, and the stability of the inflator during gas conveying is improved by using the magnetic element to be matched with the magnetic suction disc.
Description
Technical Field
The utility model belongs to the field of experimental equipment, and particularly relates to an air inlet type explosion performance experimental device based on multiple air cylinders.
Background
The flammable gas explosion performance experiment is an important experiment of safety science and engineering professions, and the security engineering professions of all universities develop long-term system research on the explosion characteristics of the flammable gas. At present, most of conventional flammable gas explosion experimental devices adopt a method of matching a gas cylinder with a flowmeter to perform gas inlet, a certain volume of flammable gas is firstly introduced into an explosion chamber through pressure, then air is introduced for mixing and adjusting, the flow rates of the flammable gas and the air are controlled through the gas flowmeter, so that the flammable gas and the air reach a certain mixing proportion, however, the gas cylinder is large in volume and difficult to move and disassemble, so that the limitation is high, the device is usually used for measuring the single premixed gas explosion performance (mainly methane and air premixed gas), and the measurement of multiple gas explosion performance is difficult to rapidly perform.
Disclosure of Invention
The utility model aims to solve the technical problems that: in order to solve the problems that in the prior art, when the flammable gas explosion performance experiment is carried out, the gas cylinder is large in size and difficult to move and detach, so that the measurement of the explosion performance of various gases is difficult to carry out rapidly, the gas cylinder-based air inlet type explosion performance experiment device is provided.
In order to solve the technical problems, the utility model adopts the following technical scheme: an experimental device for gas-inlet type blasting performance based on a plurality of air cylinders comprises:
the conveying device is vertically fixed with a plurality of air cylinders with the same specification through buckles, the bottom of each air cylinder is provided with a rubber plug, a pushing mechanism for pushing the rubber plug is arranged below the conveying device, the pushing mechanism comprises a hydraulic push rod and an air inlet push plate fixed with the output end of the hydraulic push rod, the top of the air inlet push plate is provided with a magnetic element, and the bottom of the rubber plug is provided with a magnetic suction cup; when the selected inflator does not reach the upper part of the air inlet pushing plate, the magnetic element is not electrified, when the needed flammable gas inflator reaches, the conveying device is suspended, the magnetic element is electrified, the air inlet pushing plate is precisely attached to the bottom of the inflator, the hydraulic pushing rod pushes the air inlet pushing plate to move upwards, the rubber plug is driven to push out the gas, and when the gas pushing amount reaches a preset value, the hydraulic pushing rod stops working.
A temporary storage bin for mixing the gas entering from the inflator;
and the explosion performance testing device is used for igniting and burning the mixed gas entering from the temporary storage bin.
After the system is started, the premixed gas to be measured is selected through the operation unit, the conveying device is started to start conveying, the selected premixed gas cylinder is conveyed to the position above the gas inlet pushing plate, the magnetic element on the gas inlet pushing plate is electrified to generate magnetism to be attracted with the magnetic attraction sucker at the bottom of the gas cylinder, the hydraulic push rod is started, the rubber plug is pushed on the gas inlet pushing plate to start gas inlet, and various gases enter the combustion and explosion performance testing device to be ignited and combusted after being mixed in the temporary storage bin.
According to the technical scheme, the conveying device is used for conveying the air cylinders, so that the manual strength can be reduced, the air cylinders are rapidly switched, the burning and explosion performances of various gases can be rapidly determined, and the magnetic element is matched with the magnetic suction cup, so that the stability of the air cylinders during air conveying is improved.
Further, be equipped with air inlet sleeve and gas-supply interface on the temporary storage bin, and both install one-way gas core, the one-way gas core on the air inlet sleeve is used for inserting the inflator and realizes the gas-supply, gas-supply interface and blasting performance testing arrangement intercommunication, one-way gas core can prevent gaseous refluence.
Further, a sealing rubber plug is arranged at the top of the inflator, and a sealing cover is arranged on the sealing rubber plug; when the selected premixed gas cylinder is conveyed to the upper part of the gas inlet pushing plate, the magnetic element on the gas inlet pushing plate is attracted with the magnetic attraction sucker at the bottom of the gas cylinder, then the sealing cover at the top of the gas cylinder is opened, the gas core is inserted into the sealing rubber plug, then the electric push rod is started, the rubber plug is pushed on the gas inlet pushing plate to carry out gas transmission, after gas transmission is completed, the gas core is pulled out, the sealing cover is covered, when the gas core is inserted into the sealing rubber plug, the sealing rubber plug wraps the gas core, so that gas cannot leak, when the gas core is pulled out, the sealing rubber plug is tightly closed instantly, the gas cannot leak or only slightly leak, the sealing effect of the gas cylinder can be enhanced by the arrangement of the sealing cover, and meanwhile, the dustproof and moistureproof functions are played.
Furthermore, a plurality of telescopic guide rods are arranged at the bottom of the air inlet push plate, and when the hydraulic push rod pushes the air inlet push plate to move up and down, the telescopic guide rods can guide the movement of the air inlet push plate.
Furthermore, the inflator is transparent material and is provided with air level scales, and the volume of the inflator can be observed through the air level scales, so that timely replacement is realized.
Further, conveyer is located inside the visual storehouse, and visual storehouse is made by transparent high strength glass, can be in the outside progress of admitting air of storehouse and inflator capacity, and high strength glass makes experiment factor of safety higher, and visual storehouse is equipped with the fume exhaust breather.
Furthermore, the temporary storage bin is internally provided with a stirring fan, and the stirring fan can fully mix single or multiple combustible gases with air in the temporary storage bin in advance so as to enable the combustible gases to reach the concentration required by the test.
The beneficial effects of the utility model are as follows: according to the utility model, the manual strength can be reduced by conveying the inflator by using the conveying device, and the inflator can be rapidly switched so as to rapidly determine the burning and explosion performances of various gases, and the stability of the inflator during gas conveying is improved by using the magnetic element to be matched with the magnetic suction disc.
Drawings
The utility model will be further described with reference to the drawings and examples.
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the structure of the inflator of the present utility model;
FIG. 3 is a schematic diagram of a pushing mechanism according to the present utility model;
in the figure:
1. the explosion performance testing device; 2. a stirrer fan; 3. an air cylinder; 4. a transfer device; 5. an air inlet push plate; 6. an air inlet sleeve; 7. a gas transmission interface; 8. a visual bin; 9. sealing the rubber plug; 10. a gas level scale; 11. a rubber stopper; 12. a magnetic suction cup; 13. an operation unit; 14. a magnetic element; 15. a gas core; 16. a buckle; 17. a temporary storage bin; 18. a smoke exhaust ventilator; 19. a telescopic guide rod; 20. a hydraulic push rod; 21. sealing cover.
Detailed Description
The utility model will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the utility model and therefore show only those features which are relevant to the utility model, and orientation and reference (e.g., up, down, left, right, etc.) may be used solely to aid in the description of the features in the drawings. The following detailed description is, therefore, not to be taken in a limiting sense, and the scope of the claimed subject matter is defined only by the appended claims and equivalents thereof.
Embodiment one:
as shown in fig. 1-3, the utility model relates to an air inlet type explosion performance experimental device based on a plurality of air cylinders, which comprises:
the conveying device 4 is vertically fixed with a plurality of air cylinders 3 with the same specification through buckles 16, the air cylinders 3 are made of transparent materials, air level scales 10 are arranged on the air cylinders 3, and the capacities of the air cylinders 3 can be observed through the air level scales 10, so that timely replacement is realized; the top of each air cylinder 3 is provided with a sealing rubber plug 9, the sealing rubber plug 9 is provided with a sealing cover 21, the bottom of each air cylinder 3 is provided with a rubber plug 11, a pushing mechanism for pushing the rubber plug 11 is arranged below the conveying device 4, the pushing mechanism comprises a hydraulic push rod 20 and an air inlet push plate 5 fixed with the output end of the hydraulic push rod 20, the bottom of the air inlet push plate 5 is provided with a plurality of telescopic guide rods 19, when the hydraulic push rod 20 pushes the air inlet push plate 5 to move up and down, the telescopic guide rods 19 can guide the movement of the air inlet push plate 5, the top of the air inlet push plate 5 is provided with a magnetic element 14, and the bottom of the rubber plug 11 is provided with a magnetic suction cup 12;
the conveying device 4 is located inside the visual bin 8, the visual bin 8 is made of transparent high-strength glass, the air inlet progress and the capacity of the air cylinder 3 can be seen outside the bin, the high-strength glass enables the experimental safety coefficient to be higher, and the visual bin 8 is provided with a smoke exhaust and ventilation device 18.
The temporary storage bin 17 is internally provided with a stirring fan 2, the stirring fan 2 can fully mix single or multiple combustible gases and air in the temporary storage bin 17 in advance to enable the combustible gases and the air to reach the concentration required by a test, the temporary storage bin 17 is provided with an air inlet sleeve 6 and an air delivery interface 7, the air inlet sleeve 6 and the air delivery interface 7 are both provided with a one-way air core 15, the one-way air core 15 on the air inlet sleeve 6 is used for being inserted into an air cylinder 3 to realize air inlet, the air delivery interface 7 is communicated with the explosion performance testing device 1, and the one-way air core 15 can prevent air from flowing backwards; when the inflator 3 is used for delivering air, the sealing cover 21 at the top of the inflator 3 is firstly opened, the air core 15 is inserted into the sealing rubber plug 9, then the rubber plug 11 is pushed up by the air inlet push plate 5 for delivering air, after the air delivery is finished, the air core 15 is pulled out, the sealing cover 21 is covered, when the air core 15 is inserted into the sealing rubber plug 9, the air core 15 is wrapped by the sealing rubber plug 9, so that the air cannot leak, when the air core 15 is pulled out, the sealing rubber plug 9 is tightly closed at the moment of pulling out, the air cannot leak or only slightly leak, and the sealing effect of the inflator 3 can be further enhanced by the arrangement of the sealing cover 21, and meanwhile, the functions of dust prevention and moisture prevention are achieved.
The explosion performance testing device 1 is used for igniting and burning the mixed gas entering from the temporary storage bin 17.
Working principle:
after the system is started, the premixed gas to be measured is selected through the operation unit 13, the conveying device 4 is started to start conveying, the selected premixed gas cylinder 3 is conveyed to the position above the gas inlet pushing plate 5, the magnetic element 14 on the gas inlet pushing plate 5 is electrified to generate magnetism to be attracted with the magnetic attraction disc 12 at the bottom of the gas cylinder 3, the hydraulic push rod 20 is started, the rubber plug 11 on the gas inlet pushing plate 5 is pushed to start gas inlet, and a plurality of gases enter the ignition and combustion performance testing device 1 after being mixed in the temporary storage bin 17.
The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the worker in question without departing from the technical spirit of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.
Claims (7)
1. Based on many inflator inlet type fires and explodes performance test device, its characterized in that: comprising the following steps:
the conveying device (4) is vertically fixed with a plurality of air cylinders (3), the bottom of each air cylinder (3) is provided with a rubber plug (11), a pushing mechanism for pushing the rubber plug (11) is arranged below the conveying device (4), the pushing mechanism comprises a hydraulic push rod (20) and an air inlet push plate (5) fixed with the output end of the hydraulic push rod (20), the top of the air inlet push plate (5) is provided with a magnetic element (14), and the bottom of the rubber plug (11) is provided with a magnetic suction cup (12);
a temporary storage bin (17) for mixing the gas entering from the inflator (3);
and the explosion performance testing device (1) is used for igniting and burning the mixed gas entering from the temporary storage bin (17).
2. The experimental device for gas-inlet type blasting performance based on a plurality of air cylinders according to claim 1, wherein: be equipped with air inlet sleeve (6) and gas transmission interface (7) on temporary storage bin (17), and both install one-way gas core (15), one-way gas core (15) on air inlet sleeve (6) are used for inserting inflator (3) and realize the gas transmission, gas transmission interface (7) and blasting performance testing arrangement (1) intercommunication.
3. The experimental device for gas-inlet type blasting performance based on a plurality of air cylinders according to claim 1, wherein: the top of the inflator (3) is provided with a sealing rubber plug (9), and the sealing rubber plug (9) is provided with a sealing cover (21).
4. The experimental device for gas-inlet type blasting performance based on a plurality of air cylinders according to claim 1, wherein: the bottom of the air inlet push plate (5) is provided with a plurality of telescopic guide rods (19).
5. The experimental device for gas-inlet type blasting performance based on a plurality of air cylinders according to claim 1, wherein: the inflator (3) is made of transparent materials, and is provided with air level scales (10).
6. The experimental device for gas-inlet type blasting performance based on a plurality of air cylinders according to claim 1, wherein: the conveying device (4) is positioned in the visible bin (8), and the visible bin (8) is provided with a smoke exhaust and ventilation device (18).
7. The experimental device for gas-inlet type blasting performance based on a plurality of air cylinders according to claim 1, wherein: the temporary storage bin (17) is internally provided with a stirring fan (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320337787.5U CN219348778U (en) | 2023-02-28 | 2023-02-28 | Air inlet type explosion performance experimental device based on multiple air cylinders |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320337787.5U CN219348778U (en) | 2023-02-28 | 2023-02-28 | Air inlet type explosion performance experimental device based on multiple air cylinders |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219348778U true CN219348778U (en) | 2023-07-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320337787.5U Active CN219348778U (en) | 2023-02-28 | 2023-02-28 | Air inlet type explosion performance experimental device based on multiple air cylinders |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219348778U (en) |
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2023
- 2023-02-28 CN CN202320337787.5U patent/CN219348778U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240603 Address after: Room 1103, Block C, Tianrun Technology Building, Changzhou Science and Education City, No. 18-3 Changwu Middle Road, Wujin District, Changzhou City, Jiangsu Province, 213000 Patentee after: Changzhou Ruisheng Yunzhi Testing Technology Co.,Ltd. Country or region after: China Address before: 213164 21 Gehu Middle Road, HUTANG Town, Wujin District, Changzhou City, Jiangsu Province Patentee before: CHANGZHOU University Country or region before: China |