CN111578022A - Aerify decompression rapid disassembly structure - Google Patents
Aerify decompression rapid disassembly structure Download PDFInfo
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- CN111578022A CN111578022A CN202010256560.9A CN202010256560A CN111578022A CN 111578022 A CN111578022 A CN 111578022A CN 202010256560 A CN202010256560 A CN 202010256560A CN 111578022 A CN111578022 A CN 111578022A
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- 230000006837 decompression Effects 0.000 title claims abstract description 121
- 239000001307 helium Substances 0.000 claims abstract description 34
- 229910052734 helium Inorganic materials 0.000 claims abstract description 34
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 claims abstract description 34
- 239000007789 gas Substances 0.000 claims abstract description 28
- 230000009467 reduction Effects 0.000 claims abstract description 27
- 239000000463 material Substances 0.000 claims abstract description 21
- 238000007789 sealing Methods 0.000 claims description 87
- 238000003825 pressing Methods 0.000 claims description 16
- 230000005540 biological transmission Effects 0.000 claims description 6
- 230000003139 buffering effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 8
- 230000008569 process Effects 0.000 abstract description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000009413 insulation Methods 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
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 239000006261 foam material Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L37/00—Couplings of the quick-acting type
- F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
- F16L37/12—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members using hooks, pawls or other movable or insertable locking members
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
- B64B1/64—Gas valve operating mechanisms
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/027—Throttle passages
- F16L55/02709—Throttle passages in the form of perforated plates
- F16L55/02718—Throttle passages in the form of perforated plates placed transversely
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/02—Energy absorbers; Noise absorbers
- F16L55/033—Noise absorbers
- F16L55/0336—Noise absorbers by means of sound-absorbing materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/10—Means for stopping flow from or in pipes or hoses
- F16L55/115—Caps
- F16L55/1152—Caps fixed by screwing or by means of a screw-threaded ring
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
- F16L55/24—Preventing accumulation of dirt or other matter in the pipes, e.g. by traps, by strainers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Joints Allowing Movement (AREA)
Abstract
The invention relates to the technical field of captive balloon use guarantee, and discloses an inflation pressure-reducing quick-release structure, which comprises: the air inflation inlet joint is communicated with the ball body to be inflated, the adapter joint is communicated with an air source, the air inflation pressure reducing pipe and the air inflation end cover are arranged on the air inflation inlet joint; the inflation decompression pipe is detachably arranged between the inflation port connector and the adapter connector; the inflation end cover is detachably arranged at the air inlet of the inflation port connector. According to the quick-release structure for inflation and pressure reduction, the detachable inflation and pressure reduction pipe and the detachable inflation end cover are arranged, so that the problem of vibration damage of a ball material caused by too high speed and too high pressure of helium gas entering a ball can be solved, high-flow quick inflation can be realized, meanwhile, the structure can be quickly connected and detached with the ball, the personnel demand in the inflation process is reduced, the potential safety hazard is reduced, and the deployment efficiency of the aerostat is improved.
Description
Technical Field
The invention relates to the technical field of captive balloon use guarantee, in particular to an inflation decompression quick-release structure.
Background
When large-volume aerostats such as stratospheric airship, captive balloon and the like are inflated, a helium inflation port is installed on a sphere in the conventional inflation mode, and the inflation port and a helium exhaust are connected through a high-pressure hose, as shown in fig. 1. The helium gas charging port is connected with the high-pressure hose through threads, the diameter of the helium gas charging port is the same as that of the high-pressure hose, the diameter of the helium gas charging port is smaller, the helium gas charging port is not provided with a decompression structure, and the high-pressure helium gas is directly released in the sphere. Because of the lack of a helium decompression buffer structure, the speed of helium entering the sphere is too high due to the inflation mode, when the inflation process starts, the sphere is not formed, the sphere material near the inflation inlet can be continuously impacted by high-speed helium airflow, so that the sphere material can vibrate continuously, the sphere material can be thinned or even damaged in the inflation process for several hours, in order to reduce the impact of the helium airflow on the sphere material, the inflation speed must be reduced, a plurality of persons are arranged to pull the spherical membrane, and the manpower consumption is increased while the inflation speed is reduced; meanwhile, the direct release of the high-speed helium flow can generate huge noise, which undoubtedly can cause damage to operators; the helium connector is in threaded connection with the inflation pipeline, when the inflation speed needs to be increased or the inflation structure needs to be disconnected in special situations, the traditional inflation equipment and mode cannot meet the requirements of large flow and quick disconnection, and the whole system has great potential safety hazards.
For example, chinese patent "CN 109140086A a detachable inflation joint for captive balloon", although it solves the problem of quick connection of inflation joint, this method is only suitable for small captive balloons, the inflation flow is limited by the structural form, and it does not solve the problems of thinning and damage caused by the impact of air flow on the balloon material, and it cannot be used for inflation of large stratospheric airship and large captive balloons.
Disclosure of Invention
In view of the technical defects and application requirements, an embodiment of the invention provides an inflation pressure reduction quick release structure, which is used for solving the problem of vibration damage of a sphere material caused by too high speed and too high pressure of helium entering a sphere.
In order to solve the above problems, the present invention provides an inflation pressure reduction quick release structure, which comprises: the air inflation inlet joint is communicated with the ball body to be inflated, the adapter joint is communicated with an air source, the air inflation pressure reducing pipe and the air inflation end cover are arranged on the air inflation inlet joint; the inflation decompression pipe is detachably arranged between the inflation port connector and the adapter connector; the inflation end cover is detachably arranged at the air inlet of the inflation port connector.
Further, the pneumatic pressure relief tube comprises: a plurality of gas-filled pressure reduction segments; at least one baffle is arranged in each inflation decompression section, and the cross section of each inflation decompression section is sequentially increased along the gas transmission direction.
Furthermore, each inflation decompression section along the gas transmission direction is a first inflation decompression section, a second inflation decompression section, a third inflation decompression section and a fourth inflation decompression section;
the first inflatable decompression section is internally provided with a first baffle, the second inflatable decompression section is internally provided with a second baffle, the third inflatable decompression section is internally provided with a third baffle, and the fourth inflatable decompression section is internally provided with a fourth baffle.
Further, the inflation decompression quick detach structure still includes: a first sealing unit and a buckle;
the buckle is arranged on the inflation inlet joint and the inflation decompression pipe; the first sealing unit is arranged between the inflation inlet joint and the inflation decompression tube;
the inflation inlet joint is connected with the inflation decompression pipe in a sealing mode through the first sealing unit and the buckle.
Further, the inflation decompression quick detach structure still includes: a filter screen, a flange plate and a flange plate pressing ring;
treat to fill the spheroid and cup joint outside the first end of filter screen, treat to fill spheroidal inflation inlet card the ring flange with between the ring flange clamping ring, the second end of filter screen passes through the ring flange with the ring flange clamping ring with inflation inlet articulate.
Further, the inflation decompression quick detach structure still includes: a second sealing unit and a bolt;
the second sealing unit and the bolt are arranged on the flange plate and the flange plate pressing ring, and the inflation inlet of the ball body to be inflated is fixed between the flange plate and the flange plate pressing ring through the second sealing unit and the bolt.
Further, the inflation decompression quick detach structure still includes: a third sealing unit; the third sealing unit is arranged between the air inlet of the inflation inlet joint and the inflation end cover, and the inflation end cover is connected with the inflation inlet joint in a sealing mode through the third sealing unit.
Further, the first sealing unit includes:
the outer sealing ring of the inflation decompression section and the inner sealing ring of the inflation decompression section;
two contact surfaces of the inflation inlet joint and the inflation decompression pipe are respectively provided with an outer sealing ring of the inflation decompression section and an inner sealing ring of the inflation decompression section; the inflation inlet joint is connected with the inflation decompression tube in a sealing manner through the inflation decompression section outer sealing ring, the inflation decompression section inner sealing ring and the buckle.
Furthermore, a buffer material for buffering helium and a filter plate for fixing the buffer material are arranged in the filter screen.
Further, the pneumatic vacuum tube further comprises: a heat-insulating layer; the heat-insulating layer is wrapped outside the inflatable decompression sections.
According to the quick-release structure for inflation and pressure reduction, the detachable inflation and pressure reduction pipe and the detachable inflation end cover are arranged, so that the problem of vibration damage of a ball material caused by too high speed and too high pressure of helium gas entering a ball can be solved, high-flow quick inflation can be realized, meanwhile, the structure can be quickly connected and detached with the ball, the personnel demand in the inflation process is reduced, the potential safety hazard is reduced, and the deployment efficiency of the aerostat is improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and those skilled in the art can also obtain other drawings according to the drawings without creative efforts.
FIG. 1 is a schematic diagram of a prior art aerostat inflation configuration;
FIG. 2 is a front view of an inflation, pressure reduction and quick release structure provided in an embodiment of the invention;
FIG. 3 is a cross-sectional view of an inflation, pressure reduction and quick release structure provided in an embodiment of the present invention;
FIG. 4 is a cross-sectional view of an inflatable end cap according to an embodiment of the present invention after attachment;
FIG. 5 is a front view of an inflatable end cap according to an embodiment of the present invention after attachment;
FIG. 6 is a partial schematic view of the connection of the inflation port fitting and the inflation pressure relief tube provided by an embodiment of the present invention;
FIG. 7 is a partial schematic view of a connection between an inflation port fitting and a ball to be inflated according to an embodiment of the present invention;
FIG. 8 is a partial schematic view of a connection of an inflation port fitting to an inflation end cap provided in accordance with an embodiment of the present invention;
FIG. 9 is a schematic view of a first baffle provided in accordance with an embodiment of the present invention;
description of reference numerals: 1. filtering with a screen; 2. a flange plate; 3. the edge of the ball body to be filled; 4. pressing rings of the flange plates; 5. an inflation port connector; 6. buckling; 7. an inflation and decompression pipe; 8. a heat-insulating layer; 9. a transfer joint; 10. a buffer material; 11. a flange sealing ring; 12. a flange pressing ring sealing ring; 13. a filter plate sealing ring; 14. filtering the plate; 15. a sealing ring is arranged in the air charging port of the flange plate; 16. an outer sealing ring of the inflatable decompression section; 17. an inner sealing ring of the inflation decompression section; 18. a fourth baffle; 19. a third baffle plate; 20. a second baffle; 21. a first baffle plate; 22. an inflatable end cap; 23. and sealing rings are arranged on end covers of the inflation openings of the flange plates.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The embodiment of the invention provides an inflation decompression quick-release structure which is mainly used for inflating stratospheric airships and captive balloons. As shown in fig. 2, 3, 4 and 5, the quick release structure for inflation and decompression comprises: an inflation inlet joint 5 communicated with a ball body to be inflated, a switching joint 9 communicated with an air source, an inflation decompression tube 7 and an inflation end cover 22. The inflation and decompression tube 7 is detachably arranged between the inflation port connector 5 and the adapter connector 9. The inflation end cap 22 is detachably provided at the air inlet of the inflation port connector 5.
When the air inflation is to be prepared, the air inflation decompression tube 7 is aligned and inserted into the air inflation port connector 5, the circumferential position is adjusted to ensure that the air inflation decompression tube 7 is aligned and connected with the air inflation port connector 5, and the adapter connector 9 is connected to the other end of the air inflation decompression tube 7. Then the ball body to be inflated is communicated with the inflation inlet joint 5, and the air inflation can be started after the adapter joint 9 is communicated with the air source. After inflation is completed, the inflation decompression tube 7 and the adapter 9 can be detached, the inflation end cover 22 is arranged at the air inlet of the inflation port connector 5, and the inflation decompression quick-release structure is sealed through the inflation end cover 22.
According to the inflation pressure reduction quick-release structure provided by the embodiment of the invention, the detachable inflation pressure reduction pipe and the inflation end cover are arranged, so that the problem of vibration damage of a ball material caused by too high speed and too high pressure of helium gas entering a ball can be solved, large-flow quick inflation can be realized, meanwhile, the structure can be quickly connected and detached with the ball, the personnel demand in the inflation process is reduced, the potential safety hazard is reduced, and the deployment efficiency of the aerostat is improved.
In one embodiment of the present invention, as shown in fig. 2, 3, 4 and 5, the pneumatic decompression tube 7 includes: a plurality of gas-filled pressure reduction sections. At least one baffle is arranged in each inflation decompression section, and the sections of the inflation decompression sections are sequentially increased along the gas transmission direction.
As shown in fig. 9, the baffle is a perforated baffle, and due to the blocking, noise reduction and expansion of the gas passage of the baffle, the pressure reduction, noise reduction and speed reduction of the helium flow can be realized.
The air inflation and decompression section is formed by welding four aviation aluminum pipe sections with different diameters, and the air inflation and decompression sections are a first air inflation and decompression section, a second air inflation and decompression section, a third air inflation and decompression section and a fourth air inflation and decompression section respectively along the gas transmission direction. The air inflation and decompression pipe 7 and the adapter 9 form three times of reducing, and the diameter of the air passage is enlarged by 7 times. The reducing shape of the inflation and decompression section is determined by fluid mechanics simulation calculation. The adapter 9 is used for connecting the helium high-pressure hose with the inflation decompression section.
Preferably, a first baffle 21 may be provided in the first gas-filled decompression stage, a second baffle 20 may be provided in the second gas-filled decompression stage, a third baffle 19 may be provided in the third gas-filled decompression stage, and a fourth baffle 18 may be provided in the fourth gas-filled decompression stage.
It will be appreciated that the position of the baffles may be adjusted accordingly, for example, in this embodiment, no baffles are provided in the first gas-filled decompression stage, the first baffle 21 is provided in the second gas-filled decompression stage, the second baffle 20 and the third baffle 19 are provided in the third gas-filled decompression stage, and the fourth baffle 18 is provided in the fourth gas-filled decompression stage.
Wherein, aerify decompression rapid disassembly structure still includes: a first sealing unit and a clasp 6. The buckle 6 is a quick-release buckle. The buckle 6 is arranged on the inflation inlet joint 5 and the inflation decompression tube 7. The first sealing unit is arranged between the inflation port connector 5 and the inflation decompression tube 7. The inflation inlet joint is connected with an inflation decompression pipe 7 in a sealing way through a first sealing unit and a buckle 6.
Specifically, as shown in fig. 6, the sealing of the inflation port connector 5 with the inflation pressure reducing tube 7 is achieved by boss sealing. Wherein the first sealing unit includes: an outer sealing ring 16 of the inflation and decompression section and an inner sealing ring 17 of the inflation and decompression section. Two contact surfaces of the inflation inlet joint 5 and the inflation decompression tube 7 are respectively provided with an inflation decompression section outer sealing ring 16 and an inflation decompression section inner sealing ring 17. The inflation inlet joint 5 is hermetically connected with the inflation decompression tube 7 through an inflation decompression section outer sealing ring 16, an inflation decompression section inner sealing ring 17 and a buckle 6.
In this embodiment, aerify decompression rapid disassembly structure still includes: the filter screen 1, the flange plate 2 and the flange plate clamping ring 4. The ball body to be inflated is sleeved outside the first end of the filter screen 1, the inflation inlet of the ball body to be inflated is clamped between the flange plate 2 and the flange plate pressing ring 4, and the second end of the filter screen 1 is connected with the inflation inlet joint 5 through the flange plate 2 and the flange plate pressing ring 4.
Wherein, be equipped with the buffer material 10 that is used for buffering the helium and with the fixed filter plate 14 of buffer material 10 in the filter screen 1, helium can get into inside the spheroid after passing through filter screen 1. The filter plate 14 is used for rectifying helium flow and closing the buffer material 10 in the ball baffle in the ball filter screen 1. The cushioning material 10 within the ball is a porous, air permeable foam material that provides further cushioning and noise reduction when a fully rectified, depressurized and slowed helium gas flow passes through it. The edge of the ball body to be inflated near the inflation inlet is protected from being impacted by high-speed helium flow.
To ensure the inflation airtightness, as shown in fig. 7, the inflation pressure reduction quick release structure further includes: a second sealing unit and a bolt. The second sealing unit and the bolt are both arranged on the flange plate 2 and the flange plate pressing ring 4, and an inflation inlet of the ball to be inflated is fixed between the flange plate 2 and the flange plate pressing ring 4 through the second sealing unit and the bolt. Wherein the second sealing unit includes: the filter plate sealing device comprises a flange sealing ring 11, a flange pressing ring sealing ring 12, a filter plate sealing ring 13 and a flange inflation inlet sealing ring 15. The sealing performance of the connection of the inflation inlet joint 5 and the ball body to be inflated is ensured by fixing the sealing rings.
Because the high-pressure helium expands and absorbs heat, when the high-pressure helium is used for a long time, the surface temperature of the air inflation decompression tube 7 is greatly lower than the ambient temperature, and simultaneously, a large amount of noise is generated when the high-pressure helium is released, so that a heat insulation layer 8 with the functions of heat insulation and noise reduction is adhered to the outer side of the air inflation decompression tube 7. The heat preservation layer 8 wraps the inflatable decompression section, and EVA foam can be adopted to protect operators.
To prevent leakage after inflation, as shown in fig. 8, the inflation pressure reduction quick release structure further includes: and a third sealing unit. The third sealing unit is arranged between the air inlet of the inflation inlet joint 5 and the inflation end cover 22, and the inflation end cover 22 is connected with the inflation inlet joint 5 in a sealing mode through the third sealing unit. In this embodiment, the third sealing unit is a flange inflation inlet end cover sealing ring, and the inflation end cover 22 and the flange inflation inlet end cover sealing ring 23 need to be bonded in advance during sealing.
In one particular embodiment, the preparation before starting inflation is as follows: the cushioning material 10 is first placed in the screen 1. And bonding the flange 2 with a flange sealing ring 11. And bonding the flange pressing ring 4 with the flange pressing ring sealing ring 12. The filter plate 14 is bonded to the filter plate packing 13. And bonding the inflation inlet joint 5 with the sealing ring 15 in the flange inflation inlet, and bonding the inflation decompression tube 7 with the outer sealing ring 16 of the inflation decompression section and the inner sealing ring 17 of the inflation decompression section. The edge 3 of the ball body to be inflated is clamped between a flange plate and a flange plate pressing ring 4 and is screwed up by bolts. The filter screen 1 passes through the flange 2 and is closely attached to the edge 3 of the ball body to be inflated, and then the filter plate 14 and the inflation inlet joint 5 are placed. After aligning to the bolt holes of the inner ring of the flange plate 2, the filter plate 14 and the inflation inlet joint 5 are fixed by bolts. When the inflation is to be started, the concave surface of the inflation and decompression tube 7 is aligned and inserted into the convex surface of the inflation port connector 5, and circumferential position adjustment is carried out to ensure that the buckle 6 on the inflation port connector 5 is aligned with the buckle 6 on the inflation and decompression tube 7. The 4 snaps 6 are then tightened to provide the sealing compression. And finally, connecting the adapter joint 9 with a helium high-pressure hose, completing the installation of the inflation pressure-reducing quick-release structure, and starting inflation. When sealing, the inflation end cover 22 needs to be bonded with the end cover sealing ring 23 of the flange inflation opening in advance. After the inflation is finished, the air inflation decompression tube 7 and the high-pressure hose can be quickly separated from the ball body to be inflated by punching the buckle 6, and at the moment, under the action of the buffer material 10 in the ball, the helium leakage speed is very slow. Finally, the inflation end cap 22 is screwed into the inflation port connector 5. And sealing is formed at the inflation inlet joint 5 by matching the flange inflation inlet end cover sealing ring 23 through a thread compression method.
According to the inflation pressure reduction quick-release structure provided by the embodiment of the invention, the detachable inflation pressure reduction pipe and the inflation end cover are arranged, so that the problem of vibration damage of a ball material caused by too high speed and too high pressure of helium gas entering a ball can be solved, large-flow quick inflation can be realized, meanwhile, the structure can be quickly connected and detached with the ball, the personnel demand in the inflation process is reduced, the potential safety hazard is reduced, and the deployment efficiency of the aerostat is improved.
In conclusion, the adoption of the inflation decompression quick-release structure can reduce the need of post personnel when large aerostats such as stratospheric airship mooring balloons and the like are inflated, and only 1 person is needed or even no manpower is needed to attend the inflation inlet. The quick-release structure for air inflation and decompression can greatly improve the helium inflation speed of large aerostats such as stratospheric airship captive balloons and the like, shorten the air inflation time and improve the deployment efficiency of the aerostats. The inflation decompression quick-release structure can reduce noise generated by high-speed helium release during inflation.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. An inflation decompression quick release structure, comprising:
the air inflation inlet joint is communicated with the ball body to be inflated, the adapter joint is communicated with an air source, the air inflation pressure reducing pipe and the air inflation end cover are arranged on the air inflation inlet joint;
the inflation decompression pipe is detachably arranged between the inflation port connector and the adapter connector; the inflation end cover is detachably arranged at the air inlet of the inflation port connector.
2. The inflation and decompression quick release structure according to claim 1, wherein the inflation and decompression tube comprises: a plurality of gas-filled pressure reduction segments; at least one baffle is arranged in each inflation decompression section, and the cross section of each inflation decompression section is sequentially increased along the gas transmission direction.
3. The quick release structure for inflation and decompression according to claim 2, wherein each inflation and decompression segment in the gas transmission direction is a first inflation and decompression segment, a second inflation and decompression segment, a third inflation and decompression segment and a fourth inflation and decompression segment;
the first inflatable decompression section is internally provided with a first baffle, the second inflatable decompression section is internally provided with a second baffle, the third inflatable decompression section is internally provided with a third baffle, and the fourth inflatable decompression section is internally provided with a fourth baffle.
4. The inflation pressure reduction quick release structure of claim 1, further comprising: a first sealing unit and a buckle;
the buckle is arranged on the inflation inlet joint and the inflation decompression pipe; the first sealing unit is arranged between the inflation inlet joint and the inflation decompression tube;
the inflation inlet joint is connected with the inflation decompression pipe in a sealing mode through the first sealing unit and the buckle.
5. The inflation pressure reduction quick release structure of claim 1, further comprising: a filter screen, a flange plate and a flange plate pressing ring;
treat to fill the spheroid and cup joint outside the first end of filter screen, treat to fill spheroidal inflation inlet card the ring flange with between the ring flange clamping ring, the second end of filter screen passes through the ring flange with the ring flange clamping ring with inflation inlet articulate.
6. The inflation pressure reduction quick release structure of claim 5, further comprising: a second sealing unit and a bolt;
the second sealing unit and the bolt are arranged on the flange plate and the flange plate pressing ring, and the inflation inlet of the ball body to be inflated is fixed between the flange plate and the flange plate pressing ring through the second sealing unit and the bolt.
7. The inflation pressure reduction quick release structure of claim 1, further comprising: a third sealing unit; the third sealing unit is arranged between the air inlet of the inflation inlet joint and the inflation end cover, and the inflation end cover is connected with the inflation inlet joint in a sealing mode through the third sealing unit.
8. The structure of claim 4, wherein the first sealing unit comprises:
the outer sealing ring of the inflation decompression section and the inner sealing ring of the inflation decompression section;
two contact surfaces of the inflation inlet joint and the inflation decompression pipe are respectively provided with an outer sealing ring of the inflation decompression section and an inner sealing ring of the inflation decompression section; the inflation inlet joint is connected with the inflation decompression tube in a sealing manner through the inflation decompression section outer sealing ring, the inflation decompression section inner sealing ring and the buckle.
9. The structure of claim 6, wherein the filter screen is provided with a buffer material for buffering helium and a filter plate for fixing the buffer material.
10. The inflation and decompression quick release structure according to claim 2, wherein the inflation and decompression tube further comprises: a heat-insulating layer; the heat-insulating layer is wrapped outside the inflatable decompression sections.
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| CN202010256560.9A CN111578022A (en) | 2020-04-02 | 2020-04-02 | Aerify decompression rapid disassembly structure |
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