CN205679242U - A kind of aircraft survey height in situ tests the speed and uses pitot auxiliary test unit - Google Patents
A kind of aircraft survey height in situ tests the speed and uses pitot auxiliary test unit Download PDFInfo
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- CN205679242U CN205679242U CN201620555645.6U CN201620555645U CN205679242U CN 205679242 U CN205679242 U CN 205679242U CN 201620555645 U CN201620555645 U CN 201620555645U CN 205679242 U CN205679242 U CN 205679242U
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Abstract
The utility model discloses a kind of aircraft to survey height in situ and test the speed and use pitot auxiliary test unit, this device includes fixture, compressing member, sealing member, rubber seal, copper sheathing, rubber blanket, ram-air pipe joint, static tube joint and 4 screws.Pitot have during use one end of baroport and pitot hole put in fixture, make the static tube joint installed on baroport alignment fixture, tighten the screw on compressing member, fixing pitot, and making it seal by rubber blanket, it is achieved atmosphere data measurement and control instrument static pressure delivery outlet is tightly connected with pitot baroport.Rubber seal is put in the circular hole of sealing member, press-in copper sheathing, being connected with fixture by screw thread, during screwing, rubber seal is fixed at the conical position of pitot front end, it is achieved atmosphere data measurement and control instrument total head delivery outlet is tightly connected with pitot pitot hole.This utility model has the features such as simple in construction, easy to use, environmental suitability is strong, it is adaptable to the in situ detection of aircraft airspeed pipe.
Description
Technical field
This utility model relates to a kind of aircraft airspeed pipe auxiliary test unit, when carrying out aircraft surveying height in situ, testing the speed,
Realize being tightly connected of atmosphere data measurement and control instrument and pitot, belong to technical field of measurement and test.
Background technology
The flying height of aircraft and speed are very important flight parameters, the aircraft pitot-static pressure system by complete set
Measuring these parameters, one of them critical component is exactly pitot.Generally pitot is made up of two concentric pipes, interior
Pipe is ram-air pipe, and trocar sheath is static tube.Interior pipe has pitot hole for gathering the total head of windstream, overcoat in front end
Pipe has row's baroport in order to gather the static pressure of present level in even tube wall.
During pitot in-situ test, outside atmosphere measurement and control instrument is used pitot to be carried out force value setting, including quiet
Pressure and two parameters of total head, obtain height and the speed of display on current aircraft by the air data computer on aircraft, logical
Cross the value that arranges with atmosphere data measurement and control instrument to compare, it is judged that pitot work is the most normal.
One key link of pitot in-situ test is exactly atmosphere data measurement and control instrument and being tightly connected of pitot.Air speed
Pipe profile is tiny compared with thin, smooth surface, baroport and total head aperture, and the static pressure of atmosphere data measurement and control instrument and dynamic pressure delivery outlet are
It is connected with the external world by two hoses, the static pressure of atmosphere data measurement and control instrument to be realized and dynamic pressure delivery outlet and pitot
Airtight connection quiet, pitot hole must have switching device, and can meet this demand currently without goods shelf products.
Utility model content
For the problems referred to above, this utility model purpose is, it is provided that a kind of aircraft survey height in situ tests the speed and assists with pitot
Measurement apparatus, solution atmosphere data measurement and control instrument is tightly connected problem with pitot.For achieving the above object, of the present utility model
Technical scheme is: a kind of aircraft is surveyed height in situ and tested the speed and use pitot aided measurement device, including fixture, compressing member, sealing member,
Rubber seal, copper sheathing, rubber blanket, ram-air pipe joint, static tube joint and 4 screws.When carrying out in-situ test, pitot
The one end having baroport and pitot hole is placed on fixture, and on the baroport on pitot and aided measurement device fixture
The static tube joint installed is corresponding；Compressing member is placed on pitot, and tightens four captive screw on compressing member, firmly
Fixing pitot, wraps up rubber blanket around pitot and makes it airtight；Rubber seal is put into the circular hole of sealing member,
It is then pressed into copper sheathing, makes rubber seal be fixed in sealing member；The sealing member that will be pressed into rubber seal passes through with fixture
Threaded, during screwing, rubber seal is fixed at the conical position of pitot front end, sealing member and fixture
Between use threaded mode, meet the requirement that different pitot baroport is different with the spacing of pitot hole.
In this utility model, fixture one end is the cylinder of central hollow, and the other end is open end, and its both sides are plane, in
Between be semi-circular recesses, groove interposition is equipped with a hole, and this hole is connected with static tube joint outside fixture.Compressing member both sides
For plane, centre is semi-circular recesses, and half diameter of a circle and fixture open end semi-circular recesses equal diameters, to ensure air speed
When pipe is fixed in this utility model, confined space can be formed between fixture and compressing member.
Preferably, fixture, compressing member, sealing member are made up of duralumin Milling Machining, and true qualities oxygen after blasting treatment is done on surface
Change；Copper sheathing material is pyrite, and copper sheathing surface is through ground；Rubber seal, pipe joint and captive screw are standard component.
Preferably, the junction color of static tube joint and atmosphere data measurement and control instrument static pressure equipped at outlet port solid colour, entirely
The junction color of pressure pipe joint and atmosphere data measurement and control instrument total head equipped at outlet port solid colour, reach the purpose of error protection.
Preferably, screw is captive screw, thus the loss of screw during avoiding using.
This utility model has the features such as simple in construction, easy to use, environmental suitability are strong, be successfully applied to certain type without
In man-machine in-situ performance test equipment, it is adaptable to the in situ detection of many types of aircraft airspeed pipe.
Accompanying drawing explanation
With embodiment, this utility model is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is structure chart of the present utility model；
Fig. 2 is this utility model and pitot, the installation diagram of atmosphere data measurement and control instrument；
Detailed description of the invention
Structure of the present utility model is as shown in Figure 1.This device includes fixture 110, compressing member 120, sealing member 130, rubber
Glue sealing ring 140, copper sheathing 150, rubber blanket 160, ram-air pipe joint 170, static tube joint 180 and 4 captive screw 190.
Fixture 110, compressing member 120, sealing member 130 are made up of duralumin Milling Machining, and true qualities oxidation after blasting treatment is done on surface；Copper sheathing
150 materials are pyrite, and copper sheathing surface is through ground；Rubber seal 140, ram-air pipe joint 170, static tube joint 180
It is standard component with captive screw 190.Fixture 110 is connected by 4 captive screw 190 with compressing member 120, rubber seal
In circle 140 and copper pipe 150 indentation sealing part 130 successively, fixture 110 and compressing member 120 are pasted with rubber blanket 160, fixture
110 are threaded connection with sealing member 130, tighten the number of turns by regulation screw thread, it is possible to adapt to different pitot pitot hole and
The distance difference of baroport, fixture 110 is with static tube joint 180, sealing member 130 with ram-air pipe joint 170 by screw thread even
Connect, and do encapsulation process.
This utility model and the installation diagram of pitot, as shown in Figure 2.One end that pitot has baroport and pitot hole is stretched
Enter the baroport on fixture, and pitot and the static tube joint phase of installation on this utility model aided measurement device fixture
Correspondence, is placed on compressing member on pitot, tightens four captive screw on compressing member, securely fixes pitot, pass through rubber
Rubber cushion makes it airtight, it is achieved static tube joint is tightly connected with pitot baroport；Rubber seal is put into sealing
In the circular hole of part, note the direction of rubber seal, be then pressed into copper sheathing, make rubber seal be fixed in sealing member；Will pressure
The sealing member entering rubber seal is threaded connection with fixture, makes rubber seal be enclosed within pitot during screwing
At the conical position of front end, thus realize being tightly connected of ram-air pipe joint and pitot pitot hole, sealing member and fixture it
Between use threaded mode, the requirement that different pitot baroport is different with the spacing of pitot hole can be met.
This utility model and the installation diagram of atmosphere data measurement and control instrument, as shown in Figure 2.Pitot is fixed on aided measurement device
After.The static pressure delivery outlet of atmosphere data measurement and control instrument is by hose with the static tube joint on aided measurement device fixture even
Connecing, the total head delivery outlet of atmosphere data measurement and control instrument is by hose with the ram-air pipe joint on aided measurement device sealing member even
Connect.The junction color of aided measurement device static tube joint and atmosphere data measurement and control instrument static pressure equipped at outlet port solid colour, auxiliary
Help junction color and the atmosphere data measurement and control instrument total head equipped at outlet port solid colour of measurement apparatus ram-air pipe joint, reach anti-difference
Wrong purpose.
In sum, a kind of aircraft survey height in situ tests the speed and has simple in construction, user with pitot aided measurement device
Just, the feature such as good sealing effect, it is achieved that atmosphere data measurement and control instrument static pressure delivery outlet and pitot baroport, atmosphere data observing and controlling
Instrument total head delivery outlet is tightly connected with pitot pitot hole, have employed error-preventive design, is aircraft having of surveying in situ that height tests the speed
Effect aid.
Claims (4)
1. an aircraft survey height in situ tests the speed and uses pitot auxiliary test unit, it is characterised in that include fixture (110), pressure
Tight part (120), sealing member (130), rubber seal (140), copper sheathing (150), rubber blanket (160), ram-air pipe joint (170),
Static tube joint (180) and 4 screws (190)；
Fixture (110) and compressing member (120) are pasted with rubber blanket (160), are connected by 4 screws (190)；Rubber seal
The circular hole of sealing member (130) put into by circle (140), then is pressed into copper sheathing (150)；Fixture (110) and sealing member (130) pass through spiral shell
Stricture of vagina connects；Fixture (110) is threaded connection with ram-air pipe joint (170) with static tube joint (180), sealing member (130),
And do encapsulation process；
Fixture (110) one end is the cylinder of central hollow, and the other end is open end, and both sides, open end are plane, and centre is half
Circular groove, groove interposition is equipped with a hole；Compressing member (120) both sides are plane, and centre is semi-circular recesses, half diameter of a circle
With fixture (110) open end semi-circular recesses equal diameters.
A kind of aircraft the most according to claim 1 survey height in situ tests the speed and uses pitot auxiliary test unit, it is characterised in that
Fixture (110), compressing member (120), sealing member (130) are made up of duralumin Milling Machining, and true qualities oxygen after blasting treatment is done on surface
Change；Copper sheathing (150) material is pyrite, and copper sheathing (150) surface is through ground；Rubber seal (140), ram-air pipe joint
(170), static tube joint (180) and screw (190) are standard component.
A kind of aircraft the most according to claim 1 survey height in situ tests the speed and uses pitot auxiliary test unit, it is characterised in that
The junction color of ram-air pipe joint (170) is identical with atmosphere data measurement and control instrument total head equipped at outlet port color, static tube joint
(180) junction color is identical with atmosphere data measurement and control instrument static pressure equipped at outlet port color.
A kind of aircraft the most according to claim 1 and 2 survey height in situ tests the speed and uses pitot auxiliary test unit, and its feature exists
In, screw (190) is captive screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620555645.6U CN205679242U (en) | 2016-06-08 | 2016-06-08 | A kind of aircraft survey height in situ tests the speed and uses pitot auxiliary test unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620555645.6U CN205679242U (en) | 2016-06-08 | 2016-06-08 | A kind of aircraft survey height in situ tests the speed and uses pitot auxiliary test unit |
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| Publication Number | Publication Date |
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| CN205679242U true CN205679242U (en) | 2016-11-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620555645.6U Active CN205679242U (en) | 2016-06-08 | 2016-06-08 | A kind of aircraft survey height in situ tests the speed and uses pitot auxiliary test unit |
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| CN (1) | CN205679242U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106516158A (en) * | 2016-11-25 | 2017-03-22 | 中国人民解放军海军航空工程学院 | Automatic signal-oriented airplane in-situ test system and fault diagnosis method |
| CN106768605A (en) * | 2016-12-12 | 2017-05-31 | 太原航空仪表有限公司 | A kind of pressure tester of porous probe |
| CN108132120A (en) * | 2018-01-12 | 2018-06-08 | 太原航空仪表有限公司 | A kind of static pressure pick-up for aircraft |
| CN113219209A (en) * | 2021-05-30 | 2021-08-06 | 成都华太航空科技股份有限公司 | Airspeed tube installation sealing clamp |
-
2016
- 2016-06-08 CN CN201620555645.6U patent/CN205679242U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106516158A (en) * | 2016-11-25 | 2017-03-22 | 中国人民解放军海军航空工程学院 | Automatic signal-oriented airplane in-situ test system and fault diagnosis method |
| CN106516158B (en) * | 2016-11-25 | 2020-03-31 | 中国人民解放军海军航空工程学院 | Signal-oriented airplane in-situ automatic test system and fault diagnosis method |
| CN106768605A (en) * | 2016-12-12 | 2017-05-31 | 太原航空仪表有限公司 | A kind of pressure tester of porous probe |
| CN106768605B (en) * | 2016-12-12 | 2019-07-12 | 太原航空仪表有限公司 | A kind of pressure measuring unit of porous probe |
| CN108132120A (en) * | 2018-01-12 | 2018-06-08 | 太原航空仪表有限公司 | A kind of static pressure pick-up for aircraft |
| CN113219209A (en) * | 2021-05-30 | 2021-08-06 | 成都华太航空科技股份有限公司 | Airspeed tube installation sealing clamp |
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