CN210893948U - Aerostatics utricule material tearing strength testing arrangement - Google Patents
Aerostatics utricule material tearing strength testing arrangement Download PDFInfo
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- CN210893948U CN210893948U CN201921211674.0U CN201921211674U CN210893948U CN 210893948 U CN210893948 U CN 210893948U CN 201921211674 U CN201921211674 U CN 201921211674U CN 210893948 U CN210893948 U CN 210893948U
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Abstract
The utility model relates to the field of aerostat tear strength testing, and provides an aerostat balloon material tear strength testing device, which comprises an aerostat balloon test piece, a blowing structure, a pressure difference sensor, a gas storage part and an industrial personal computer, wherein the pressure difference sensor is connected to a second pressure difference port of the blowing structure; the air storage component is connected to a second inflation port of the inflation structure; the industrial computer with pressure differential sensor and gas storage part are connected respectively, and pressure differential sensor transmits the pressure differential of gathering to the industrial computer, and the industrial computer controls the gas storage part's rate of inflation according to the pressure differential to the pressure that the real-time recording aerostatics utricule test piece received, when the opening of aerostatics utricule material that awaits measuring takes place to tear, should tear the intensity value by the industrial computer record. The utility model discloses can simulate aerostatics utricule material and evenly receive inside atmospheric pressure load on the aerostatics, tear along the opening direction on the aerostatics utricule material, measure the tear strength of aerostatics utricule material more accurately.
Description
Technical Field
The utility model relates to an aerostatics tear strength test technical field especially relates to an aerostatics utricule material tear strength testing arrangement.
Background
The aerostat is an aircraft which provides lift by utilizing gas (hydrogen, helium, hot gas and the like) lighter than air, and is widely applied to the military and civil fields by virtue of the advantages of long dead time, energy conservation, environmental protection, economy and the like. The aerostat mainly comprises an airship and a captive balloon, wherein the airship has power and can autonomously fly under remote control or automatic control; captive balloons typically have no powered system and rely on a captive cable to connect to ground-based equipment or stations.
The aerostat envelope is an aerostat core structural component, and the aerostat envelope material is required to meet the performances of high strength, light weight, good environmental resistance, tear resistance, low gas permeability, good processing manufacturability and the like. Wherein, the tear resistance is an important index for selecting the aerostat capsule material. The center tearing method used at present is to clamp and stretch two ends of an opening sample, so that the tearing strength of the material after the surface around the opening is uniformly stressed cannot be represented, and the actual condition of the material on the aerostat capsule cannot be simulated.
Therefore, the technical problem that needs to be solved at present is to be solved by being capable of simulating the stress condition of the aerostat balloon material on the aerostat and accurately measuring the tearing strength of the aerostat balloon material.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The present invention aims at least solving one of the technical problems existing in the prior art or the related art.
The utility model aims at providing an aerostatics utricule material tear strength testing arrangement to solve current aerostatics utricule material tear strength testing arrangement and can not sign the tear strength behind the even atress of aerostatics utricule material opening periphery surface, the technical problem of the actual conditions of aerostatics utricule material on the aerostatics utricule can't be simulated.
(II) technical scheme
In order to solve the technical problem, the embodiment of the utility model provides an aerostatics utricule material tear strength testing arrangement, it includes:
the aerostat airbag test piece comprises a piece of aerostat airbag material to be tested and a bottom lining attached to one side of the aerostat airbag material to be tested, wherein the aerostat airbag material to be tested is provided with an opening, and the bottom lining is provided with a first inflation inlet and a first pressure difference port;
the inflation structure is provided with a mounting seat and a mounting space positioned in the mounting seat, the aerostat airbag test piece is mounted in the mounting space, the periphery of the aerostat airbag test piece is fixed on the mounting seat, the aerostat airbag material to be tested in the mounting space and the bottom lining form an inflatable closed space, the mounting seat is provided with a second inflation port and a second pressure difference port, the second inflation port is used for being communicated with the first inflation port, and the first pressure difference port is used for being communicated with the second pressure difference port;
a differential pressure sensor connected to the second differential pressure port;
the air storage component is connected to the second inflation port;
the industrial personal computer is connected with the differential pressure sensor and the gas storage component respectively, the differential pressure sensor transmits the acquired pressure difference between the inside and the outside of the closed space to the industrial personal computer, the industrial personal computer controls the inflation rate of the gas storage component according to the pressure difference and records the pressure applied to the aerostat envelope test piece in real time, and when the opening of the aerostat envelope material to be tested is torn, the industrial personal computer records the tearing strength value.
The utility model provides a concrete embodiment, the end liner is made by film material, the intensity of end liner is greater than the intensity of aerostatics utricule material that awaits measuring.
The utility model relates to a concrete embodiment, the mount pad includes ring base and flange dish, clamp all around of aerostatics utricule test piece is in between ring base and the flange dish to it is fixed through the clamping piece.
The utility model discloses a concrete embodiment, second inflation inlet and second pressure differential mouth interval are located the periphery of ring base.
The utility model relates to a concrete embodiment, the opening is located the center of aerostatics utricule material that awaits measuring, open-ended length is 30 ~ 34 mm.
In one embodiment of the present invention, the gas in the gas storage component is air, helium, nitrogen or oxygen.
The utility model discloses a concrete embodiment, the inflation structure still includes the support, the mount pad is fixed on the support.
(III) advantageous effects
Compared with the prior art, the utility model has the advantages of it is following:
the embodiment of the utility model provides an aerostat utricule material tear strength testing arrangement, through set up the opening on the aerostat utricule material to be measured, and paste together with the end liner and install the installation space at the mount pad, form the enclosure space, and aerify to the enclosure space, the industrial computer controls the gas storage component's inflation rate through the inside and outside pressure differential of enclosure space that differential pressure sensor detected; the industrial personal computer records the internal pressure of the closed space in real time, and records the tearing strength value until the opening of the aerostat envelope material to be detected is torn; thereby can simulate aerostatics utricule material and evenly receive inside atmospheric pressure load on the aerostatics, tear along the opening direction on the aerostatics utricule material, measure the tear strength of aerostatics utricule material more accurately.
Drawings
Fig. 1 is an overall schematic diagram of an aerostat envelope material tear strength testing device according to an embodiment of the present invention;
fig. 2 is a schematic cross-sectional view of an aerostat balloon test piece according to an embodiment of the present invention;
fig. 3 is a test flow chart of the aerostat envelope material tear strength testing device according to the embodiment of the present invention;
in the figure: 1: an aerostat capsule test piece; 11: the aerostat envelope material to be tested; 12: an opening; 13: a bottom lining; 2: an industrial personal computer; 3: a blown-up structure; 31: a circular ring base; 32: a flange plate; 33: a second inflation port; 34: a second differential pressure port; 4: a differential pressure sensor; 5: and a gas storage member.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
In the description of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; 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 as appropriate by those of ordinary skill in the art.
In the description of the present invention, the terms "plurality", and "plural" mean two or more unless otherwise specified.
As shown in fig. 1, the embodiment of the utility model provides an aerostatics utricule material tear strength testing arrangement, it includes:
the aerostat envelope test piece 1, as shown in fig. 2, includes a piece of aerostat envelope material 11 to be tested and a bottom liner 13 attached to one side of the aerostat envelope material 11 to be tested, that is, the aerostat envelope material 11 to be tested is a piece of sample on the aerostat envelope material, an opening 12 is formed in the aerostat envelope material 11 to be tested, and a first inflation port and a first pressure difference port are formed in the bottom liner 13;
the inflation structure 3 is provided with a mounting seat and a mounting space positioned in the mounting seat, the aerostat airbag test piece 1 is mounted in the mounting space, the periphery of the aerostat airbag test piece 1 is fixed on the mounting seat, the aerostat airbag material 11 to be tested in the mounting space and the bottom lining 13 form an inflatable closed space, the mounting seat is provided with a second inflation port 33 and a second pressure difference port 34, the second inflation port 33 is communicated with a first inflation port, and the first pressure difference port is communicated with the second pressure difference port 34;
a differential pressure sensor 4 connected to the second differential pressure port 34 for detecting a differential pressure between the inside and the outside of the second differential pressure port 34;
the air storage part 5 is connected to the second inflation port 33, and inflates the closed space formed by the bag body material 11 and the bottom lining 13 of the aerostat to be detected through the second inflation port 33;
the industrial personal computer 2 is connected with the differential pressure sensor 4 and the gas storage component 5 respectively, the differential pressure sensor 4 transmits the acquired pressure difference between the inside and the outside of the closed space to the industrial personal computer 2, the industrial personal computer 2 controls the inflation rate of the gas storage component 5 according to the pressure difference and records the pressure of the aerostat envelope test piece 1 in real time, and when the opening 12 of the aerostat envelope material 11 to be detected is torn, the industrial personal computer 2 records the maximum pressure value, namely the tearing strength value of the aerostat envelope material 11 to be detected.
A test specimen is manufactured by the central opening 12 of the aerostat capsule material 11 to be tested, and the tearing process of the aerostat capsule material in actual use is simulated. An inflatable closed space is formed by installing the bottom liner 13 and the aerostat airbag material 11 to be tested on the blowing structure 3, test gas is filled in the closed space, the industrial personal computer 2 controls the pressure in the closed space to keep a stable inflation rate through the pressure difference sensor 4, and the aerostat airbag material is simulated to be subjected to internal air pressure load in each direction and better meets the stress condition in practical use. And measuring the pressure when the opening 12 on the capsule material is torn through the industrial personal computer 2, namely the tearing strength value of the capsule material of the aerostat.
The aerostatics utricule material tear strength testing arrangement of this embodiment can simulate aerostatics utricule material and evenly receive inside atmospheric pressure load on the aerostatics, tears along the 12 directions of opening on the aerostatics utricule material, measures the tear strength of aerostatics utricule material more accurately.
The utility model discloses a specific embodiment, it is not right composition, the model of end liner 13 restrict, end liner 13 is made by film material, end liner 13's intensity is greater than the aerostatics utricule material 11's that awaits measuring intensity, end liner 13 is hugged closely and is played sealed effect below aerostatics utricule material 11 that awaits measuring.
The utility model discloses a concrete embodiment, the mount pad includes ring base 31 and flange 32, the clamp is in all around of aerostatics utricule test piece 1 between ring base 31 and the flange 32 to it is fixed through clamping piece for example clamping screw.
The utility model discloses a specific embodiment, second inflation inlet 33 and second pressure differential mouth 34 interval branch are located the periphery of ring base 31, as shown in fig. 1, the both sides that lean on are located to ring base 31 periphery to second inflation inlet 33 and second pressure differential mouth 34, are convenient for and are located the gas storage part 5 and the differential pressure sensor 4 connection of ring base 31 below.
The utility model relates to a specific embodiment, opening 12 is located the center of aerostatics utricule material 11 that awaits measuring, opening 12's length is 30 ~ 34mm, specifically preferred 32mm to can finely tune according to actual demand.
In a specific embodiment of the present invention, the gas in the gas storage part 5 may be any non-toxic and odorless gas such as air, helium, nitrogen or oxygen.
The utility model discloses a specific embodiment, for the convenience of the installation and the fixed of mount pad, inflation structure 3 still includes support (not shown in the figure), the mount pad is fixed on the support.
As shown in fig. 3, the utility model discloses utilize above-mentioned aerostatics utricule material tear strength testing arrangement to carry out the step of tear strength test mainly to include:
opening 12 on the aerostat capsule material 11 to be detected;
it can be understood that the length of the opening 12 in the center of the aerostat capsule material 11 to be measured is 32mm, and the aerostat capsule material can be finely adjusted according to actual requirements;
tightly attaching the aerostat bladder material 11 to be detected and the bottom liner 13 together, installing the aerostat bladder material 11 to be detected and the bottom liner 13 in an installation space of an installation seat, wherein the aerostat bladder material 11 to be detected and the bottom liner 13 in the installation space form a closed space, inflating the closed space formed by the aerostat bladder material 11 to be detected and the bottom liner 13 by the gas storage part 5 through a second inflation inlet 33, and controlling the inflation rate of the gas storage part 5 by the industrial personal computer 2 through the internal and external pressure difference of the closed space detected by the pressure difference sensor 4;
it can be understood that the data of the differential pressure sensor 4 is recorded by the industrial personal computer 2 to obtain the real-time data of the closed space;
the industrial personal computer 2 records the internal pressure of the closed space in real time, and records the maximum pressure value at the moment until the opening 12 of the aerostat envelope material 11 to be detected is torn, namely the tearing strength value of the aerostat envelope material 11 to be detected.
In this embodiment, the aerostat capsule material tearing strength testing device described in the embodiment shown in fig. 1 is used, and a test specimen is manufactured by opening a center 12 of an aerostat capsule material 11 to be tested, so that a tearing process of the aerostat capsule material in actual use is simulated. An inflatable closed space is formed by installing the bottom liner 13 and the aerostat airbag material 11 to be tested on the blowing structure 3, test gas is filled in the closed space, the industrial personal computer 2 controls the pressure in the closed space to keep a stable inflation rate through the pressure difference sensor 4, and the aerostat airbag material is simulated to be subjected to internal air pressure load in each direction and better meets the stress condition in practical use. And measuring the pressure when the opening 12 on the capsule material is torn, namely the tearing strength value of the capsule material of the aerostat, by using the industrial personal computer 2.
The internal air pressure load is uniformly applied to the aerostat through simulating the aerostat capsule material, the aerostat capsule material is torn along the direction of the opening 12 in the capsule material, the tearing strength of the aerostat capsule material is measured, and the tearing strength value of the capsule material under the real use condition on the aerostat is more accurately obtained.
The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. An aerostat envelope material tear strength testing device, comprising:
the aerostat airbag test piece comprises a piece of aerostat airbag material to be tested and a bottom lining attached to one side of the aerostat airbag material to be tested, wherein the aerostat airbag material to be tested is provided with an opening, and the bottom lining is provided with a first inflation inlet and a first pressure difference port;
the inflation structure is provided with a mounting seat and a mounting space positioned in the mounting seat, the aerostat airbag test piece is mounted in the mounting space, the periphery of the aerostat airbag test piece is fixed on the mounting seat, the aerostat airbag material to be tested in the mounting space and the bottom lining form an inflatable closed space, the mounting seat is provided with a second inflation port and a second pressure difference port, the second inflation port is used for being communicated with the first inflation port, and the first pressure difference port is used for being communicated with the second pressure difference port;
a differential pressure sensor connected to the second differential pressure port;
the air storage component is connected to the second inflation port;
the industrial personal computer is connected with the differential pressure sensor and the gas storage component respectively, the differential pressure sensor transmits the acquired pressure difference between the inside and the outside of the closed space to the industrial personal computer, the industrial personal computer controls the inflation rate of the gas storage component according to the pressure difference and records the pressure applied to the aerostat envelope test piece in real time, and when the opening of the aerostat envelope material to be tested is torn, the industrial personal computer records the tearing strength value.
2. The aerostat bladder material tear strength testing device according to claim 1, wherein the bottom lining is made of a thin film material, and the strength of the bottom lining is greater than that of the aerostat bladder material to be tested.
3. The aerostat capsule material tear strength testing device according to claim 1, wherein the mounting seat comprises a circular ring base and a flange plate, and the periphery of the aerostat capsule test piece is clamped between the circular ring base and the flange plate and fixed through a clamping piece.
4. The aerostat bladder material tear strength testing device according to claim 3, wherein the second inflation port and the second pressure difference port are arranged at intervals on the periphery of the circular ring base.
5. The aerostat capsule material tear strength testing device according to claim 1, wherein the opening is formed in the center of the aerostat capsule material to be tested, and the length of the opening is 30-34 mm.
6. The aerostat capsule material tear strength testing device according to claim 1, wherein the gas in the gas storage part is air, helium, nitrogen or oxygen.
7. The aerostat balloon material tear strength testing device according to claim 1, wherein the inflation structure further comprises a stent, and the mounting seat is fixed to the stent.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921211674.0U CN210893948U (en) | 2019-07-30 | 2019-07-30 | Aerostatics utricule material tearing strength testing arrangement |
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| CN201921211674.0U CN210893948U (en) | 2019-07-30 | 2019-07-30 | Aerostatics utricule material tearing strength testing arrangement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110487639A (en) * | 2019-07-30 | 2019-11-22 | 中国科学院光电研究院 | Aerostatics envelop materials tearing strength test device and test method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110487639A (en) * | 2019-07-30 | 2019-11-22 | 中国科学院光电研究院 | Aerostatics envelop materials tearing strength test device and test method |
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