CN110530575A - A kind of amphibious aircraft watertight test verifying system of large size and verification method - Google Patents
A kind of amphibious aircraft watertight test verifying system of large size and verification method Download PDFInfo
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- CN110530575A CN110530575A CN201910643356.XA CN201910643356A CN110530575A CN 110530575 A CN110530575 A CN 110530575A CN 201910643356 A CN201910643356 A CN 201910643356A CN 110530575 A CN110530575 A CN 110530575A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M3/00—Investigating fluid-tightness of structures
- G01M3/02—Investigating fluid-tightness of structures by using fluid or vacuum
- G01M3/04—Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
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Abstract
The present invention relates to a kind of amphibious aircraft watertight test verifying system of large size and verification methods, it is characterized by: the verifying system includes the main test water-storing device of body and the soft test device of left and right floating drum, wherein the main test water-storing device of body is for testing fuselage, including wall (1), miter gate (2), draining and flood pattern (3), mooring device (4)；Floating drum soft test device in left and right is for testing left and right wing, including soft reservoir (5), fixed rack (6).The present invention is built on the ground using integrated machine figure, left floating drum, right floating drum three parts body, cost and construction period can be greatlyd save, realize that aircraft assembly, maintenance and test site waterborne are closely arranged, save aircraft dispatch distance, the development rate and capacity efficiency for improving aircraft, significantly reduce aircraft development cost.
Description
Technical field
The invention belongs to amphibious aircraft fuselage watertight test process fields, for solving amphibious aircraft machine
The method of body waterproof test verifying.
Background technique
Domestic existing small-sized amphibious aircraft is float-type main body mechanism, need to only be tested being sealed property of floating drum
Card, directly progress overwater flight.The domestic technical experience without directly to progress verifying waterborne at present, the amphibious aviation of the large size
Device is hull formula airframe structure, if directly flight airport carries out immersion verifying to related model on the water, there are greater risks, and fly
Machine manufacturing field and Flight Test place waterborne belong to strange land, will cause many difficulties for the troubleshooting after test.
Summary of the invention
The present invention is directed to by inventing a kind of new leakproofness verifying process, this process for the purpose of the present invention
It may be implemented to simulate aircraft static immersion verifying waterborne in aircraft manufacturing place, verify airframe structure leakproofness.
The main test device of body, mainly by wall, miter gate, row flood pattern, mooring device；Miter gate structure,
Mainly by door body, door-hinge, embedded part, watertight rubber, a few part compositions of hydraulic press.
The soft test device of left and right floating drum, is mainly made of soft reservoir, fixed rack.Concrete scheme is as follows:
A kind of amphibious aircraft watertight test verifying system of large size, the verifying system includes the main test water storage of body
Device and the soft test device of left and right floating drum, wherein the main test water-storing device of body is for testing fuselage, including wall 1, miter gate
Door 2, draining and flood pattern, mooring device；The soft test device of left and right floating drum for testing left and right wing, including soft reservoir 5,
Fixed rack 6.
Preferably, the wall 1 is built on the ground that can carry aircraft and water storage weight, specification and large-scale water
The fuselage of the amphibious aircraft in land matches.The wall 1 is the hollow cuboid that three side seals close metope formation, the inner cavity of wall 1
For accommodating the fuselage of large-scale amphibious aircraft；Miter gate 2 is equipped in the unclosed side of wall 1.The cuboid
The specification of cavity is 45m × 9m × 2.8m.Wall 1, miter gate 2 can carry the hydraulic pressure of 2.5m high, and water-tight；In wall 1
Tire and protective frame are hung on wall, are swung and are protected for aircraft.
Pass through draining and flood pattern 3 water storage or draining into the main test water-storing device of body；Along large-scale amphibious boat
The left rear side of entire watertight test macro is arranged in pocket course, draining and flood pattern 3, is connected by inlet and outlet pipe lines；In
On the ground of large-scale amphibious aircraft placement region, large-scale amphibious aircraft guide line, the wheel position line are drawn, and
Installation is used for the mooring device 4 of fixed main body in placement region.1 inner wall of wall, 2.418 meter Gao Zuo height of water level line.
The soft test device of left and right floating drum, for large-scale amphibious aircraft floating drum performing leak test.The soft storage
Pond 5 is placed on fixed rack 6, and soft reservoir 5 is in when large-scale amphibious aircraft is advanced to the inner cavity of wall 1
Unaerated or deflation status are inflated soft reservoir 5, so after large-scale amphibious aircraft is placed into theoretical position
It is filled the water afterwards by arranging flood pattern 3.
The verification method of large-scale amphibious aircraft watertight test verifying system, the above-mentioned amphibious aircraft of large size
The verification process that system is verified in watertight test is as follows: miter gate 2 is opened, and floating drum soft test device in left and right is deflated, large-scale land and water
Amphibious aircraft enters the placement region of 1 inner cavity of wall, it is fixed by mooring device, shuts miter gate 2, to soft water storage
Pond 5, which is inflated, reaches use state, then the guardrail of fixed installation fixed rack 6, after the completion of the above preparation, opens note
Water system, respectively to the main test water-storing device of body and the soft test device water filling of left and right floating drum, staff passed through wall staircase
It enters in cabin, fuselage sealing state is observed, for there is leak source position to be marked；After the test, drainage system is opened,
Mooring device is unlocked, the guardrail for platform frame for the soft test device of left and right floating drum of dismantling simultaneously deflates soft reservoir 5, wall staircase was withdrawn,
Large-scale amphibious aircraft is released, carries out troubleshooting into workshop.
The present invention has the advantages that entire watertight testing device, using being built on branch's section level land, save the cost and construction
Period realizes that aircraft assembly, maintenance and test site waterborne are closely arranged, saves aircraft dispatch distance, improve aircraft
Rate and capacity efficiency are developed, aircraft development cost is significantly reduced.
Detailed description of the invention
Fig. 1 amphibious aircraft watertight testing device axis surveys view
Fig. 2 amphibious aircraft watertight testing device top view
Specific embodiment
The present invention is to realize that aircraft before static immersion verifying, completes airframe structure in aircraft manufacturing place on the water
Seal tightness test reduces the risk that aircraft flight directly descends water test to specific place waterborne of taking a flight test.Aircraft in the big portion of fuselage
Fuselage seal tightness test directly is carried out in manufacturing field after part docking and becomes possible, is solved the problems, such as to expose in advance, is convenient for troubleshooting, drop
Low profile developing risk saves lead time and expense.The used engineer testing principle of the present invention is: being tested according to aircraft development
It is required that building local water-storing test device on the ground in aircraft manufacturing place, it is divided into three parts (body and left and right floating drum) completion
A kind of process of airframe structure seal tightness test verifying.
Airframe tests water-storing device, using the body test device of miter gate structure；The left and right of aircraft two sides is floating
Cylinder meets experimental condition demand using the soft water-storing device of floating drum is arranged on fixed rack.
Apparatus of the present invention by wall, body test device, floating drum test device, miter gate, row flood pattern, be tethered at dress
The composition such as set, miter gate is opened, and floating drum test device is deflated, and aircraft enters station, and fixed mooring device shuts herringbone
Gate, the guardrail at floating drum on soft reservoir inflation and fixed rack, opens flood pattern, respectively to body test device and floating
Cylinder test device water filling, staff passed through wall staircase and entered in cabin, fuselage sealing state were observed, for there is leak source position
It sets and is marked.After the test, drainage system is opened, mooring device is unlocked, floating drum guardrail for platform frame of dismantling is simultaneously soft reservoir
It deflates, withdrew wall staircase, release aircraft, carry out troubleshooting into workshop.
Embodiment
As shown in Figure 1 and Figure 2, the verifying process is described further in conjunction with implementation process.It is wanted according to aircraft testing
The main test device of summation fuselage parameter designing body and left and right floating drum test device, pond are built using ground walling.Pond
Three faces are wall, are on one side gate, and water area is carried inside entire pond having a size of 45m × 9m × 2.8m.Ground can carry aircraft
With the gravity of water.60 tons of aircraft weight.It is required that wall, gate can carry 2.5m Gao Shui, and water-tight.Along line of symmetry among pond
Aircraft guide line, the wheel position line are drawn on ground.2.418 meter Gao Zuo height of water level line of pool inner wall.Pool inner wall suspension sheave
Tire and protective frame swing for aircraft protects.
Consider hydraulic pressure and aircraft easy access, miter gate and some column aircraft protective devices is designed to, first, in accordance with ground
Face home position, by aircraft backward haulage to mark position, then by being tethered at a little mooring ring with ground setting on aircraft
Aircraft is fixed, miter gate is then shut, the soft test device of left and right floating drum is fixed, then starts to fill the water, to body
2.418 meters of height is filled in test device, aircraft drains buoyancy about 40.5t at this time；Left and right floating drum test device is infused simultaneously
Full water (1.3 meters high), staff observes leakage point in cabin, and is marked, with the raising of water level, aspect meeting
It adjusts accordingly, adjust the length of mooring line accordingly and crosses the flexible angle of wall staircase, adjusted with meeting aspect, then soak
Whether there is or not water leakage situations in bubble process observation cabin, and make label in detail.After meeting the time according to the immersion of requirement of experiment aircraft, the row of unlatching
Water system loses no time the water excretion in device, opens gate, pull out aircraft, check breakthrough and ponding, analyzed.
Claims (10)
1. system is verified in a kind of amphibious aircraft watertight test of large size, it is characterised in that: the verifying system includes body
Main test water-storing device and the soft test device of left and right floating drum, wherein the main test water-storing device of body is for testing fuselage, including wall
Body (1), miter gate (2), draining and flood pattern (3), mooring device (4)；Floating drum soft test device in left and right is for testing a left side
Starboard wing, including soft reservoir (5), fixed rack (6).
2. system is verified in large-scale amphibious aircraft watertight test as described in claim 1, it is characterised in that: the wall
Body (1) is built on the ground that can carry aircraft and water storage weight, the fuselage phase of specification and large-scale amphibious aircraft
Matching.
3. system is verified in large-scale amphibious aircraft watertight test as claimed in claim 2, it is characterised in that: the wall
(1) the hollow cuboid of metope formation is closed for three side seals, the inner cavity of wall (1) is used to accommodate the machine of large-scale amphibious aircraft
Body；Miter gate (2) are equipped in the unclosed side of wall (1).
4. as system is verified in the large-scale amphibious aircraft watertight test of claim 3, it is characterised in that: the cuboid cavity
Specification be long 45m × wide 9m × high 2.8m.
5. system is verified in large-scale amphibious aircraft watertight test as described in claim 1, it is characterised in that: wall (1),
Miter gate (2) can carry the hydraulic pressure of 2.5m high, and water-tight；Tire and protective frame are hung on wall (1) inner wall, are that aircraft is left
Right swing is protected.
6. system is verified in large-scale amphibious aircraft watertight test as described in claim 1, it is characterised in that: pass through draining
With flood pattern (3) water storage or draining into the main test water-storing device of body；Along large-scale amphibious aircraft course, draining and
The left rear side of entire watertight test macro is arranged in flood pattern (3), is connected by inlet and outlet pipe lines；In large-scale amphibious boat
On the ground of pocket placement region, large-scale amphibious aircraft guide line, the wheel position line are drawn, and pacify in placement region
Dress is used for the mooring device (4) of fixed main body.
7. system is verified in large-scale amphibious aircraft watertight test as described in claim 1, it is characterised in that: wall (1)
2.418 meter Gao Zuo height of water level line of inner wall.
8. system is verified in large-scale amphibious aircraft watertight test as described in claim 1, it is characterised in that: the left and right
The soft test device of floating drum, for large-scale amphibious aircraft floating drum performing leak test.
9. system is verified in large-scale amphibious aircraft watertight test as described in claim 1, it is characterised in that: its feature exists
In: the soft reservoir (5) is placed on fixed rack (6), and soft reservoir (5) is advanced to wall in large-scale amphibious aircraft
When the inner cavity of body (1), it is in unaerated or deflation status, after large-scale amphibious aircraft, which pushes away, is put into placement region, to soft
Reservoir (5) is inflated, and is then filled the water by arranging flood pattern (3).
10. the verification method of large-scale amphibious aircraft watertight test verifying system, which is characterized in that such as claim 1 institute
The verification process of the amphibious aircraft watertight test verifying system of the large size stated is as follows: it opens miter gate (2), left and right is floating
The soft test device of cylinder is deflated, and the large-scale amphibious aircraft of control enters the placement region in wall (1), by it by being tethered at dress
Fixation is set, miter gate (2) are shut, soft reservoir (5) is inflated and reaches use state, is fixedly mounted fixed rack (6)
Guardrail above after the completion of the above preparation, opens flood pattern, respectively to the main test water-storing device of body and left and right floating drum
Soft test device water filling, detects fuselage sealing state, for there is leak source position to be marked；After the test, draining system is opened
System, unlocks mooring device, and the guardrail for platform frame for the soft test device of left and right floating drum of dismantling simultaneously deflates soft reservoir (5), withdraws wall
Staircase, releases large-scale amphibious aircraft, carries out troubleshooting into workshop.
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Cited By (4)
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| CN112461462A (en) * | 2020-11-10 | 2021-03-09 | 中航通飞华南飞机工业有限公司 | Large-scale amphibious aircraft hull watertight detection system and method |
| CN113277120A (en) * | 2021-07-12 | 2021-08-20 | 湖北航特航空飞行器有限公司 | Amphibious aircraft buoy detection device and detection method thereof |
| CN113716067A (en) * | 2021-08-30 | 2021-11-30 | 航宇救生装备有限公司 | Device and method for testing overwater transverse static stability of rotorcraft with buoys |
| CN113848083A (en) * | 2021-12-01 | 2021-12-28 | 中国飞机强度研究所 | Freezing and thawing prevention terrace for airplane test and freezing and thawing prevention parameter optimization method |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113716067B (en) * | 2021-08-30 | 2023-05-12 | 航宇救生装备有限公司 | Device and method for testing horizontal static stability of rotor craft with pontoon on water |
| CN113848083A (en) * | 2021-12-01 | 2021-12-28 | 中国飞机强度研究所 | Freezing and thawing prevention terrace for airplane test and freezing and thawing prevention parameter optimization method |
| CN113848083B (en) * | 2021-12-01 | 2022-02-18 | 中国飞机强度研究所 | Freezing and thawing prevention terrace for airplane test and freezing and thawing prevention parameter optimization method |
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Application publication date: 20191203 |