CN206847872U - For measuring the experimental rig of aeronautic structure technique scuttle hatch sealing intensity - Google Patents
For measuring the experimental rig of aeronautic structure technique scuttle hatch sealing intensity Download PDFInfo
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- CN206847872U CN206847872U CN201720350078.5U CN201720350078U CN206847872U CN 206847872 U CN206847872 U CN 206847872U CN 201720350078 U CN201720350078 U CN 201720350078U CN 206847872 U CN206847872 U CN 206847872U
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- hermetically sealed
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- scuttle hatch
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Abstract
It the utility model is related to a kind of experimental rig for being used to measure aeronautic structure technique scuttle hatch sealing intensity, including hermetically sealed can (4), air pump (6) and air gauge (8), wherein, the perforate (11) of technique scuttle hatch (2) leakage test part (1), aspirating hole (5) and pressure tap (7) are provided with hermetically sealed can (4), air pump (6) is connected by the first tracheae (9) with aspirating hole (5), and air gauge (8) is connected by the second tracheae (10) with pressure tap (7), hermetically sealed can (4) is tightly connected around the technique scuttle hatch (2) of testpieces (1) with testpieces (1).
Description
Technical field
A kind of test measurement device is the utility model is related to, more particularly to it is a kind of for measuring aeronautic structure technique scuttle hatch
The experimental rig of sealing intensity.
Background technology
There is more closed cavity in civil aircraft structure, such enclosed construction generally requires the skill that gone into operation on individual parts
Hole, available for the work such as enclosed construction assembling and maintenance, such as the fabrication hole that aircraft tail is arranged on front-axle beam.Aircraft is in high-altitude
During flight, in extraneous environment under low pressure, and air pressure is relatively high in enclosed construction annular seal space, and so as to form pressure difference, this just needs work
Skill scuttle hatch meets specific sealing intensity.In the airplane design stage, it is necessary to consider the pressure difference and carry out testing and verification.However,
Traditional air-tight test equipment and experiment process is very complicated, and cost is higher.In addition, traditional experiment often measures whole sealing
The air-tightness of chamber, it is not used to single technique scuttle hatch airtightness measurement.In order to confirm fabrication hole by simple portable method
The sealing intensity and sealing of lid, it is necessary to develop the sealing intensity measurement that novel test device carries out fabrication hole.
The content of the invention
The utility model provides a kind of experimental rig for being used to measure aeronautic structure technique scuttle hatch sealing intensity, and it is wrapped
Include hermetically sealed can, air pump and air gauge, wherein, the perforate of technique scuttle hatch leakage test part, on hermetically sealed can be provided with aspirating hole and
Pressure tap, air pump are connected by the first tracheae with aspirating hole, and air gauge is connected by the second tracheae with pressure tap, hermetically sealed can
It is tightly connected around the technique scuttle hatch of testpieces with testpieces.
According to a kind of preferable design of the present utility model, hermetically sealed can by sealing joint strip testpieces fabrication hole
It is tightly connected around lid with testpieces.
Preferably, technique scuttle hatch has the shapes such as tabular, cylinder shape or spheroform surface.
When measuring, in the same side in the perforate face that hermetically sealed can and technique scuttle hatch are located at, pass through sealing joint strip
Or other suitable modes establish the sealed connection of hermetically sealed can and testpieces, and fabrication hole surrounding structure is not caused to damage
Wound.After sealed connection is established, air is extracted out by air pump and manufactures environment under low pressure to simulate aircraft structure work when height is aerial
The compression situation of skill scuttle hatch, the air gauge now connected by tracheae sustainedly and stably measure the air pressure in hermetically sealed can.Here,
Can be according to the different complexity in aeronautic structure technique scuttle hatch peripheral region and the concrete shape of testpieces, from hermetically sealed can
Size shape.Preferably, hermetically sealed can is implemented into transparent, so as to observe situation about occurring in hermetically sealed can in measurement.
Here, aspirating hole and pressure tap can be formed by a hole and be arranged on the appropriate opening position of hermetically sealed can.It is preferred that
Ground, aspirating hole are implemented separately each other with pressure tap, so that measurement data is more stable reliable.
Preferably, it is PU tracheaes to connect air pump and aspirating hole and the tracheae of connection air gauge and pressure tap, and it can be real
Flexible connection between component now to be connected.
Had according to measurement experimental rig this experimental rig compared with traditional air-tight test of the present utility model following
Feature：(1) air-tightness and technique scuttle hatch sealing intensity of single sealing structure can be measured；(2) applicability is good, suitable for flat
The measurement of tabular, cylinder shape or spheroform surface technique scuttle hatch sealing intensity and air-tightness；(3) measurement apparatus it is simple, it is portable, into
This is low, it is repeatable utilize, to test environment without particular/special requirement；(4) fabrication hole surrounding structure will not be caused to damage when measuring.
Brief description of the drawings
The utility model is further described below in conjunction with the accompanying drawings, wherein：
Fig. 1 schematically shows the diagram of the sealing intensity of measurement experimental rig measurement tabular technique scuttle hatch；
Fig. 2 schematically shows the diagram of the sealing intensity of measurement experimental rig measurement column planar technique scuttle hatch；
Fig. 3 schematically shows the diagram of the sealing intensity of measurement experimental rig measurement spheroform surface technique scuttle hatch.
Reference numerals list
1 testpieces
2 technique scuttle hatch
3 sealing joint strips
4 hermetically sealed cans
5 aspirating holes
6 air pumps
7 pressure taps
8 air gauges
9 first tracheaes
10 second tracheaes
11 perforates
Embodiment
In the accompanying drawings, identical or intimate component is provided with identical reference.
Figure 1 illustrates the diagram of the sealing intensity of measurement experimental rig measurement tabular technique scuttle hatch.The measurement
Experimental rig includes hermetically sealed can 4, air pump 6 and air gauge 8.The perforate 11 of the leakage test part 1 of technique scuttle hatch 2.On hermetically sealed can 4
Provided with aspirating hole 5 and pressure tap 7, they can be formed by a hole, but can be also implemented separately each other.In the embodiment shown
In, aspirating hole 5 and pressure tap 7 are separately provided at the bottom of hermetically sealed can 4 each other.Alternatively, aspirating hole 5 and pressure tap 7 can roots
The suitable opening position of hermetically sealed can 4 is arranged on according to specific applicable cases.Air pump 6 is connected by the first tracheae 9 with aspirating hole 5,
And air gauge 8 is connected by the second tracheae 10 with pressure tap 7.Hermetically sealed can 4 around the technique scuttle hatch 2 of testpieces 1 with
Testpieces 1 is tightly connected, wherein, technique scuttle hatch and hermetically sealed can are located at the same side in perforate face.
Preferably, tracheae 9,10 is flexible, e.g. PU tracheaes.
Establish be tightly connected when, can polishing clean out the binding face around the technique aperture of testpieces 1 after,
Sealing joint strip is used between surface around hermetically sealed can 4 and technique aperture3Or other suitable sealing means are sealed.Alternatively
Ground, hermetically sealed can 4 also can have flexible region in its circumferential side wall, be established and testpieces 1 by the deformation of the flexible region
It is tightly connected.After sealed connection is established, the gas in hermetically sealed can 4 is extracted out by air pump 6, makes the pressure in hermetically sealed can 4
Less than external atmosphere pressure, air pressure in hermetically sealed can is monitored by air gauge 8 in real time, air pressure environment in tank is made it.It is excellent
Selection of land, hermetically sealed can 4 are embodied as transparent so that situation about occurring in hermetically sealed can be observed in measurement.
Fig. 2 shows the diagram of the sealing intensity of measurement experimental rig measurement column planar technique scuttle hatch.It is close in measurement
The cylindrical sidewall of sealed cans 4 can cover the region where cylinder shape technique scuttle hatch 2.Then hermetically sealed can 4 is sealed by sealing joint strip 3
With the join domain of testpieces 1, it is tightly connected with establishing.Then, by similar to figure 1 illustrates embodiment in a manner of carry out
Measurement.
Fig. 3 shows the diagram of the sealing intensity of the technique scuttle hatch of measurement experimental rig measurement spheroform surface, wherein, with
Sealing is established similar to the mode of the embodiment shown in Fig. 1 and Fig. 3 and is measured.
Claims (7)
1. one kind is used for the experimental rig for measuring aeronautic structure technique scuttle hatch (2) sealing intensity, including hermetically sealed can (4), air pump
(6) and air gauge (8), wherein, the perforate (11) of technique scuttle hatch (2) the leakage test part (1), in the hermetically sealed can (4)
Aspirating hole (5) and pressure tap (7) are provided with, the air pump (6) is connected by the first tracheae (9) with the aspirating hole (5), and
The air gauge (8) is connected by the second tracheae (10) with the pressure tap (7), and the hermetically sealed can (4) is in the testpieces (1)
Technique scuttle hatch (2) around with the testpieces (1) be tightly connected.
2. experimental rig according to claim 1, it is characterised in that the hermetically sealed can (4) passes through sealing joint strip (3) and institute
State testpieces (1) sealed connection.
3. experimental rig according to any one of claim 1 to 2, it is characterised in that the technique scuttle hatch (2) has
The shape of tabular, cylinder shape or spheroform surface.
4. experimental rig according to any one of claim 1 to 2, it is characterised in that the size of the hermetically sealed can (4)
Size assigned in the technique scuttle hatch (2).
5. experimental rig according to any one of claim 1 to 2, it is characterised in that the aspirating hole (5) and the survey
Pressure hole (7) is implemented separately.
6. experimental rig according to any one of claim 1 to 2, it is characterised in that the hermetically sealed can (4) is transparent
's.
7. experimental rig according to any one of claim 1 to 2, it is characterised in that the tracheae (9；10) it is PU gas
Pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720350078.5U CN206847872U (en) | 2017-04-05 | 2017-04-05 | For measuring the experimental rig of aeronautic structure technique scuttle hatch sealing intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720350078.5U CN206847872U (en) | 2017-04-05 | 2017-04-05 | For measuring the experimental rig of aeronautic structure technique scuttle hatch sealing intensity |
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| Publication Number | Publication Date |
|---|---|
| CN206847872U true CN206847872U (en) | 2018-01-05 |
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ID=60792354
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720350078.5U Active CN206847872U (en) | 2017-04-05 | 2017-04-05 | For measuring the experimental rig of aeronautic structure technique scuttle hatch sealing intensity |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323822A (en) * | 2018-11-23 | 2019-02-12 | 中国航空工业集团公司沈阳飞机设计研究所 | Sealant experiments of sealing performance method |
-
2017
- 2017-04-05 CN CN201720350078.5U patent/CN206847872U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109323822A (en) * | 2018-11-23 | 2019-02-12 | 中国航空工业集团公司沈阳飞机设计研究所 | Sealant experiments of sealing performance method |
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