CN107505114B - Reliability test fixture under aircraft siding high speed impact - Google Patents
Reliability test fixture under aircraft siding high speed impact Download PDFInfo
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- CN107505114B CN107505114B CN201710781306.9A CN201710781306A CN107505114B CN 107505114 B CN107505114 B CN 107505114B CN 201710781306 A CN201710781306 A CN 201710781306A CN 107505114 B CN107505114 B CN 107505114B
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- Prior art keywords
- siding
- bracket
- high speed
- test fixture
- speed impact
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/08—Shock-testing
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention proposes that reliability test fixture under a kind of aircraft siding high speed impact, the reliability test fixture include bracket, plane siding clamping device and bending siding clamping device;Bracket is fixed on ground, and bracket has multiple sides;Plane siding clamping device is removably set to the one side of bracket, is used for clamping plane siding;Bending siding clamping device is removably set to the another side of bracket, for clamping bending siding.The reliability test that the test fixture can complete plane siding and be bent under the high speed impact of siding, it can be used repeatedly and installs different pattern aircraft sidings for the test fixture, achievees the purpose that save experimentation cost without different test fixtures are arranged for different sidings, short form test process, accelerates test progress.
Description
Technical field
The present invention relates to reliabilities under reliability test technical field more particularly to a kind of aircraft siding high speed impact to try
Test fixture.
Background technique
Exploratory flight device structure high-speed impact injury integrity problem is to serve aeronautical maintenance and raising aircraft life
Deposit the design requirement of power.Flight Vehicle Structure high speed impact problem is broadly divided into the high speed impacts such as bird collisions problem, projectile (fragmentation)
Problem, explosion wave damage problem, these problems are since relative velocity is big, impact energy is very high, in high speed impact test
It is higher to the Structural strength calls of fixture.Flight Vehicle Structure is mainly made of siding and frame, protection knot of the siding as body
Structure be again shock loading first destroy object, experimental study wall panel structure High Loading Rate effect under dynamic response,
It is to analyze Flight Vehicle Structure to be hit the emphasis of reliability.
But the size of aircraft siding is big and shape diversity.Currently, a siding needs to design a test clamp
Tool, design experiment fixture cost is excessive, causes a large amount of wastes of manpower and material resources.
Therefore, it is necessary to design reliability test fixture under a kind of integrally multi-purpose aircraft siding high speed impact.
Above- mentioned information disclosed in the background technology part are only used for reinforcing the understanding to background of the invention, therefore it can
To include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
It is an object of the invention to overcome at least one of the above-mentioned prior art insufficient, a kind of flight being integrally mostly used is provided
Reliability test fixture under wall plate high speed impact.
Additional aspect and advantage of the invention will be set forth in part in the description, and partly will be from description
It is apparent from, or can practice through the invention and acquistion.
According to one aspect of the disclosure, reliability test fixture under a kind of aircraft siding high speed impact is provided, comprising:
Bracket, is fixed on ground, and the bracket has multiple sides;
Plane siding clamping device is removably set to the one side of the bracket, is used for clamping plane siding;
It is bent siding clamping device, is removably set to the another side of the bracket, for clamping bending siding.
In a kind of exemplary embodiment of the disclosure, the bracket includes:
Multiple vertical bars, arranged in parallel, the ground is fixed in lower end;
Multiple mandrils are connected between the upper end of two adjacent vertical bars;
Multiple braces, inclination are connected between the vertical bar and the ground.
In a kind of exemplary embodiment of the disclosure, the plane siding clamping device includes:
Installation frame is installed on the one side of the bracket;
Multiple mounting bars are installed in the installation frame and form a mounting plane, the peace with the installation frame
Multiple threaded holes are provided on dress item, the threaded hole is used to that plane siding to be installed to the plane siding by screw and clamps
In mechanism.
In a kind of exemplary embodiment of the disclosure, the installation frame includes:
Two stringers, are fixed on the one side of the bracket;
Upper beam is connected between the upper end of two stringers;
Lower beam is connected between the lower end of two stringers.
In a kind of exemplary embodiment of the disclosure, the bending siding clamping device includes:
Braced frame is fixed on the one side of the bracket, is equipped with the receiving for accommodating padded coaming in the braced frame
Space;
Multiple support rods, one side set on the braced frame far from the bracket and to one far from the bracket
Side extends;
At least two mounting bars are set as being connected to the support with the bending consistent bending of siding, the mounting bar
On frame and support rod, multiple grooves with the beam cooperation on bending siding and installation are provided on each mounting bar
The threaded hole of the bending siding.
In a kind of exemplary embodiment of the disclosure, the curvature of the mounting bar can be adjusted.
In a kind of exemplary embodiment of the disclosure, the mounting bar includes:
Multiple sub- mounting bars, are set as bending, and the both ends of each sub- mounting bar are provided with through-hole;
Multiple fixing screws, adjacent two through-hole on the two neighboring sub- mounting bar, by two neighboring institute
State sub- mounting bar connection;
Multiple fixture nuts cooperate with the fixing screws, the two neighboring sub- mounting bar are fixed.
Reliability test fixture is also in a kind of exemplary embodiment of the disclosure, under the aircraft siding high speed impact
Include:
Pedestal, is fixed on ground, and the bracket is fixed on ground by the pedestal.
In a kind of exemplary embodiment of the disclosure, the pedestal includes:
Two cross bars, it is arranged in parallel;
Multiple vertical poles, what is be parallel to each other is connected between two cross bars, and multiple through-holes are provided on each cross bar;
The pedestal is fixed on ground through through-hole insertion ground by multiple foundation bolts.
Reliability test fixture is also in a kind of exemplary embodiment of the disclosure, under the aircraft siding high speed impact
Include:
Buffer layer, the accommodation space that the accommodation space and the braced frame formed set on the bracket is formed.
As shown from the above technical solution, the present invention has at least one of following advantages and good effect:
Reliability test fixture under aircraft siding high speed impact of the present invention is provided with flat simultaneously in the not ipsilateral of bracket
Plate clamping device face the wall and meditate with bending siding clamping device, plane siding clamping device is used for clamping plane siding, is bent siding folder
Hold mechanism for clamp bending siding.One test fixture can complete plane siding and be bent siding high speed impact under can
It is tested by property, it can be used repeatedly and installs different pattern aircraft sidings for the test fixture, without setting for different sidings
Different test fixtures are set to achieve the purpose that save experimentation cost, short form test process, accelerate test progress.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, above and other feature of the invention and advantage will become
It is more obvious.
Fig. 1 is the stereochemical structure signal of one embodiment of reliability test fixture under aircraft siding high speed impact of the present invention
Figure;
Fig. 2 is the schematic perspective view of the bracket in Fig. 1;
Fig. 3 is the schematic perspective view of the plane siding clamping device in Fig. 1;
Fig. 4 is the schematic perspective view of the bending siding clamping device in Fig. 1;
Fig. 5 is the schematic perspective view of the pedestal in Fig. 1.
The reference numerals are as follows for main element in figure:
1, bracket;
11, vertical bar;
12, mandril;
13, brace;
14, oblique connecting rods;
15, transverse connecting rod;
16, brace;
2, plane siding clamping device;
21, upper beam;
22, lower beam;
23, curb girder;
24, mounting plate;
3, it is bent siding clamping device;
31, braced frame;
32, support rod;
33, mounting bar;
34, groove;
4, pedestal;
41, cross bar;
42, vertical pole.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to embodiment set forth herein;On the contrary, thesing embodiments are provided so that the present invention will
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Identical attached drawing in figure
Label indicates same or similar structure, thus the detailed description that will omit them.
The stereochemical structure of one embodiment of reliability test fixture is shown under aircraft siding high speed impact shown in referring to Fig.1
It is intended to;The test fixture may include bracket 1, plane siding clamping device 2 and bending siding clamping device 3 etc..Bracket 1
It is fixed on ground, the bracket 1 has multiple sides;Plane siding clamping device 2 is set to the one side of the bracket 1, is used for
Clamping plane siding;It is bent the another side that siding clamping device 3 is set to the bracket 1, for clamping bending siding.
Referring to the schematic perspective view of bracket 1 shown in Fig. 2;The bracket 1 may include multiple vertical bars 11, Duo Geding
Bar 12 and multiple braces 13 etc..Multiple vertical bars 11 are arranged in parallel, and the ground is fixed in lower end;Multiple mandrils 12
It is connected between the upper end of two adjacent vertical bars 11;The inclination of multiple braces 13 be connected to the vertical bar 11 and the ground it
Between.In this example embodiment, there are four vertical bar 11, four vertical bars 11 to be parallel to rectangular four vertex for setting,
Four vertical bars 11 are made to form four planes being parallel to each other two-by-two, the length of four vertical bars 11 is about 4000mm, and vertical bar 11 is adopted
It is formed with rectangular steel tube cutting.There are four the settings of mandril 12, and four mandrils 12 are correspondingly connected between two adjacent vertical bars 11.
In addition, the length of four mandrils 12 can be identical, and it can also be identical two-by-two, in this example embodiment, four 12 liang of mandril
Two is identical, and four arrangements of mandril 12 form a rectangle, and the length of two of them mandril 12 is about 1470mm, other two top
The length of bar 12 is about 800mm, and mandril 12 is formed using rectangular steel tube cutting.There are four the settings of brace 13, four braces 13
Upper end be correspondingly connected on four vertical bars 11, the lower end of four braces 13 is connected on ground or pedestal 4, mandril 12 and its institute
In the same plane, the length of four braces 13 is about 4560mm to the vertical bar 11 of connection, and brace 13 uses rectangular steel tube cutting
It forms.Multiple oblique connecting rods 14 are additionally provided in the plane for two width directions that four vertical bars 11 are formed, it is two adjacent
Oblique connecting rods 14 are connected between two vertical bars 11 in "eight" shape, and the length of oblique connecting rods 14 is about 1200mm, are tiltedly connected
Bar 14 is formed using channel steel cutting.Transverse connecting rod 15, transverse connecting rod 15 are additionally provided between two adjacent oblique connecting rods 14
Generally on the symmetry axis of two adjacent oblique connecting rods 14, the both ends of transverse connecting rod 15 are correspondingly connected to two vertical bars 11,
The length of transverse connecting rod 15 is about 1470mm, and horizontal connection is formed using rectangular steel tube cutting.It is connected to it perpendicular in brace 13
Brace 16 is also connected between bar 11, one end of brace 16 is connected to brace 13, and the other end is connected to vertical bar 11, brace
16 form " people " font with brace 13, and the length of brace 16 is about 2150mm, brace 16 using rectangular steel tube cutting and
At.The mounting plane siding clamping device 2 and installation bending siding clamping machine of bracket 1 is arranged in brace 13 and brace 16
The two sides of structure 3.Brace 13 and brace 16, which is arranged, can increase the stability of bracket 1, and impact force when test is avoided to lead
Cause toppling over and damaging for bracket 1.It can be connected to form one by welding or screw between each part of bracket 1.Certainly, exist
In the other embodiment of the present invention, the vertical bar 11 can be set into three, five or more, brace 13 and brace 16
It can also be replaced with floor.
Referring to the schematic perspective view of plane siding clamping device 2 shown in Fig. 3, the plane siding clamping device 2
It may include installation frame, mounting plate 24 etc..Installation frame is installed on the one side of the bracket 1;Mounting plate 24 is installed on
A mounting plane is formed in the installation frame and with the installation frame, is provided with multiple threaded holes on the mounting plate 24,
The threaded hole is used to that plane siding to be installed to the plane siding clamping device 2 by screw.In this example embodiment party
In formula, installation frame may include upper beam 21, lower beam 22 and two curb girders 23 etc., upper beam 21, lower beam 22 with
And two curb girders 23 are in turn connected to form a rectangular border, and the both ends of upper beam 21 and lower beam 22 also protrude from both sides
Two curb girders 23.Two stringers are fixed on the one side of the bracket 1;Upper beam 21 be connected to two stringers upper end it
Between;Lower beam 22 is connected between the lower end of two stringers.Upper beam 21 is identical with the length of lower beam 22 to be each about
1470mm is all made of channel steel cutting and forms.The length of curb girder 23 is about 2810mm, is formed using channel steel cutting.Mounting plate 24 is set
Two are set to, two mounting plates 24 are bonded with upper beam 21 and lower beam 22 respectively, and the both ends of two mounting plates 24 and two
The curb girder 23 of side connects.It is provided with threaded hole on mounting plate 24, spiral shell can also be set simultaneously on mounting plate 24 and curb girder 23
Pit.Since impact force is larger during the experiment, the part of mounting plane siding is more easy to damage, passes through plane siding clamping machine
2 mounting plane siding of structure can replace plane siding clamping device 2 in the case where plane siding clamping device 2 damages in time
, it is not necessarily to integral replacing experimental rig.In addition, between each part of plane siding clamping device 2 can by welding or
Screw is connected to form one, and plane siding clamping device 2 can be bolted on bracket 1, is convenient for changing.This field skill
Art personnel are it is understood that the structure of plane siding clamping device 2 is not limited to foregoing description, for example, plane siding clamping machine
Structure 2 can be set to the various shapes such as trapezoidal, square, can also be arranged directly in installation frame for connecting plane siding
Threaded hole.
Referring to the schematic perspective view of bending siding clamping device 3 shown in Fig. 4, bending siding clamping device 3 can be with
Including braced frame 31, multiple support rods 32 and at least two mounting bars 33 etc..In this example embodiment, support frame
Frame 31 is fixed on the one side of the bracket 1, and braced frame 31 is set as the frame structure of cuboid, and braced frame 31 can be with
Including four vertical beams and the multiple crossbeams being connected between two adjacent vertical beams, is formed in the braced frame 31 and accommodate buffering
The accommodation space of material, four vertical beams and multiple crossbeams are all made of rectangular steel tube cutting and form.Multiple support rods 32 are set to institute
It states the one side far from the bracket 1 of braced frame 31 and extends to the side far from the bracket 1, support rod 32 is set as
It two, is all made of rectangular steel tube cutting and forms.Two mounting bars 33 are set as and are bent the consistent bending of siding, in this example
It is set as the bending of " C " font in embodiment, the center of circle of mounting bar 33 is located at 1 side of bracket, i.e. mounting bar 33 is to bracket 1
Curving, two mounting bars 33 are symmetrically connected on the braced frame 31 and support rod 32, each mounting bar 33
On be provided with it is multiple with bending siding on beams cooperation grooves 34, setting groove 34 curved wall plate and mounting bar 33 can be made complete
Full fitting can be avoided effectively being bent the shortcomings that siding is easy to fall off under the action of HI high impact, is additionally provided on mounting bar 33 more
The threaded hole of a installation bending siding.Being bent between each part of siding clamping device 3 can be connected by welding or screw
One is formed, bending siding clamping device 3 can be bolted on bracket 1, be convenient for changing.It is bent siding clamping device
3 structure is not limited to foregoing description, for example, to can be set to triangular prism, pentagonal prism shape etc. a variety of for the shape of braced frame 31
Shape.
Further, the curvature of mounting bar 33 can be adjusted.It illustrates are as follows: the mounting bar 33 may include multiple
Sub- mounting bar, multiple fixing screws and multiple fixture nuts.Multiple sub- mounting bars are set as bending, and each orthodrome is
It is made up of multiple small arc-shapeds, multiple sub- mounting bars connect to form a mounting bar 33, and the both ends of each sub- mounting bar are equal
It is provided with through-hole;Adjacent two through-hole of multiple fixing screws on the two neighboring sub- mounting bar, will be two neighboring
The sub- mounting bar connection;Multiple fixture nuts and the fixing screws cooperate, and the two neighboring sub- mounting bar is fixed.?
Nut is unclamped when adjusting the curvature of mounting bar 33, after mounting bar 33 is adjusted to the curvature needed, nut is twisted
It is tight.
Reliability test fixture can also include pedestal 4, pedestal 4 referring to Figure 5 under aircraft siding high speed impact
Schematic perspective view.Pedestal 4 is fixed on ground, and the bracket 1 is fixed on ground by the pedestal 4.The pedestal 4 can
To include two cross bars 41, multiple vertical poles 42 and multiple foundation bolts etc., two cross bars 41 are arranged in parallel;It is multiple vertical
What bar 42 was parallel to each other is connected between two cross bars 41, is provided with multiple through-holes on each cross bar 41;Multiple foundation bolts pass through
It wears through-hole insertion ground and the pedestal 4 is fixed on ground, the length of cross bar 41 is about 5000mm, using rectangular steel tube
Cutting forms;The length of vertical pole 42 is about 1470mm, is formed using channel steel cutting.It can lead between each part of pedestal 4
It crosses welding or screw is connected to form one, pedestal 4 can be bolted on bracket 1, be convenient for changing.Certainly, pedestal 4
Structure is not limited to foregoing description, such as rectangular frame can be set, and cross one another multiple ribs are arranged inside frame.
Further, reliability test fixture can also include buffer layer, buffering under the aircraft siding high speed impact
Layer is set to the accommodation space that the accommodation space that the bracket 1 is formed and the braced frame 31 are formed.Buffer layer can be sea
Surface layer, froth bed, rubber layer etc..
Plane siding clamping device 2 and bending for clamping different type siding are installed respectively in the two sides of bracket 1
Siding clamping device 3, and plane siding clamping device 2 and bending siding clamping device 3 can be replaced, and it is multi-purpose to realize one
Function;It devises Typical Planar siding and is bent the gripper frame of siding, effectively prevent wall panel structure and taken off under high speed impact
Fall fixture;Bracket 1 is set as hollow structure, ensure that body breakdown siding after trajectory it is unobstructed, it is ensured that test it is smooth into
Row.The test fixture can be used for the various high speed impact mechanical tests of aircraft target ship, as bird collisions test, projectile (fragmentation) are contour
Fast impact test, explosion wave damage test, the test of aero tyre blasting arrangement lesion size etc., are also applied for Research Center
Institute, institution of higher learning carry out reliability compliance test mechanical test under aircraft target ship high speed impact.
Test operation step are as follows:
According to attached drawing soldering test fixture, pedestal 4 is connect with experiment room floor by foundation bolt, adjustment air bubble (examination
Issue after examination and approval injection device) center line alignment test part center.Fuselage frame section and lower wall panels testpieces (bending siding, alternatively referred to as C
Type siding) it is bolted with mounting bar 33, it is slow in the hollow region filling of c-type siding clamping back end of frame, that is, braced frame 31
Material (sea, foam, rubber etc.) is rushed, prevents body breakdown test specimen from destroying fixture.Make test tire debris (body), note
Its size and weight are recorded, the presentation quality of checkout facility part simultaneously records defect situation.The bat of selected high-speed photography and camera shooting
Angle is taken the photograph, shooting preparation is carried out, high-speed camera camera lens is directed at impingement region perpendicular to ballistic path direction.Open air battery
Place is met, tire debris is packed into air bubble, is closed gun tube, emission system and each measuring system is checked, firmly believes in normal work
Make state.Start air compressor, make pressure vessel pressurising, until stopping pressurising when required pressure, issues transmitting signal, each system
It is ready, emit impacting body, records test data.Foundation bolt is unloaded, slings test fixture, roll-over test with boom hoisting
Fixture makes plane siding clamping device 2 be directed at air bubble gun muzzle.Preceding cabin wainscot testpieces (plane siding) and planar wall
Plate clamping device 2 is connected using standard bolt by diameter 10mm bolt hole 17, the hollow region that rectangular steel tube surrounds in bracket 1
Filling filling padded coaming (sea, foam, rubber etc.).Test is made with tire debris (body), record its size and
Weight, the presentation quality of checkout facility part simultaneously record defect situation.The shooting angle of selected high-speed photography and camera shooting, carries out shooting
Preparation, high-speed camera camera lens are directed at impingement region perpendicular to ballistic path direction.Air bubble junction is opened, by tire debris
It is packed into air bubble, is closed gun tube, emission system and each measuring system is checked, firmly believes in normal operating conditions.Start air
Compressor makes pressure vessel pressurising, until stopping pressurising when required pressure, issues transmitting signal, All systems go, transmitting is hit
Body is hit, test data is recorded.
Reliability test fixture under aircraft siding high speed impact of the present invention is provided with simultaneously in the not ipsilateral of bracket 1
Plane siding clamping device 2 and bending siding clamping device 3, plane siding clamping device 2 are used for clamping plane siding, curved wall
Plate clamping device 3 is for clamping bending siding.One test fixture can complete plane siding and the high speed impact for being bent siding
Under reliability test, it can be used repeatedly and installs different pattern aircraft sidings for the test fixture, without for different
Different test fixtures are arranged to achieve the purpose that save experimentation cost, short form test process, accelerate test progress in siding.
Above-mentioned described feature, structure or characteristic can be incorporated in one or more embodiment party in any suitable manner
In formula, if possible, it is characterized in discussed in each embodiment interchangeable.In the above description, it provides many specific thin
Section fully understands embodiments of the present invention to provide.It will be appreciated, however, by one skilled in the art that this can be practiced
The technical solution of invention, or can be using other methods, component, material without one or more in the specific detail
Material etc..In other cases, known features, material or operation are not shown in detail or describe to avoid each side of the invention is obscured
Face.
The term of " about " " about " is used to be generally represented within the 20% of a given value or range in this specification, preferably
It is within 10%, and is more preferably within 5%.Given quantity is quantity about herein, implies that the feelings in not certain illustrated
Under condition, " about " " about " " substantially " meaning of " general " can be still implied.
Although the term of relativity, such as "upper" "lower" is used to describe a component of icon for another in this specification
The relativeness of one component, but these terms are in this manual merely for convenient, for example, with reference to the accompanying drawings described in show
The direction of example.It is appreciated that, if making it turn upside down the device overturning of icon, the component described in "upper" will
As the component in "lower".Term of other relativities, such as "top" "bottom" etc. also make have similar meaning.When certain structure is at it
When its structure "upper", it is possible to refer to that certain structural integrity is formed in other structures, or refer to that certain structure is " direct " and be arranged other
In structure, or refer to that certain structure is arranged in other structures by the way that another structure is " indirect ".
In this specification, term "one", " one ", "the", " described " and "at least one" indicating there are one or
Multiple element/component parts/etc.;Term "comprising", " may include " and " having " to indicate it is open may include
The interior meaning and the element/component part/for referring in addition to listing also may be present other than waiting other element/component part/etc..
It should be appreciated that the present invention is not limited in its application to the detailed construction and arrangement of the component of this specification proposition
Mode.The present invention can have other embodiments, and can realize and execute in many ways.Aforesaid deformation form and
Modification is fallen within the scope of the present invention.It should be appreciated that this disclosure and the present invention of restriction extend in text
And/or it is mentioned in attached drawing or all alternative combinations of two or more apparent independent features.It is all these different
Combination constitutes multiple alternative aspects of the invention.Embodiment described in this specification illustrates to become known for realizing the present invention
Best mode, and will enable those skilled in the art using the present invention.
Claims (8)
1. reliability test fixture under a kind of aircraft siding high speed impact characterized by comprising
Bracket, is fixed on ground, and the bracket has multiple sides;
Plane siding clamping device is removably set to the one side of the bracket, is used for clamping plane siding;
It is bent siding clamping device, is removably set to the another side of the bracket, for clamping bending siding;
The bending siding clamping device includes:
Braced frame is fixed on the one side of the bracket, is equipped with the accommodation space for accommodating padded coaming in the braced frame;
Multiple support rods, one side set on the braced frame far from the bracket simultaneously prolong to the side far from the bracket
It stretches;
At least two mounting bars are set as being connected to the braced frame with the bending consistent bending of siding, the mounting bar
And on support rod, it is provided on each mounting bar described in the groove and installation that multiple beams on bending siding cooperate
It is bent the threaded hole of siding;
The curvature of the mounting bar can be adjusted.
2. reliability test fixture under aircraft siding high speed impact according to claim 1, which is characterized in that the branch
Frame includes:
Multiple vertical bars, arranged in parallel, the ground is fixed in lower end;
Multiple mandrils are connected between the upper end of two adjacent vertical bars;
Multiple braces, inclination are connected between the vertical bar and the ground.
3. reliability test fixture under aircraft siding high speed impact according to claim 1, which is characterized in that described flat
Plate clamping device of facing the wall and meditating includes:
Installation frame is installed on the one side of the bracket;
Multiple mounting bars are installed in the installation frame and form a mounting plane, the mounting bar with the installation frame
On be provided with multiple threaded holes, the threaded hole is used to that plane siding to be installed to the plane siding clamping device by screw
On.
4. reliability test fixture under aircraft siding high speed impact according to claim 3, which is characterized in that the peace
Rim frame includes:
Two stringers, are fixed on the one side of the bracket;
Upper beam is connected between the upper end of two stringers;
Lower beam is connected between the lower end of two stringers.
5. reliability test fixture under aircraft siding high speed impact according to claim 1, which is characterized in that the peace
Filling item includes:
Multiple sub- mounting bars, are set as bending, and the both ends of each sub- mounting bar are provided with through-hole;
Multiple fixing screws, adjacent two through-hole on the two neighboring sub- mounting bar, by the two neighboring son
Mounting bar connection;
Multiple fixture nuts cooperate with the fixing screws, the two neighboring sub- mounting bar are fixed.
6. reliability test fixture under aircraft siding high speed impact according to claim 1, which is characterized in that described to fly
Reliability test fixture under row wall plate high speed impact further include:
Pedestal, is fixed on ground, and the bracket is fixed on ground by the pedestal.
7. reliability test fixture under aircraft siding high speed impact according to claim 6, which is characterized in that the bottom
Seat include:
Two cross bars, it is arranged in parallel;
Multiple vertical poles, what is be parallel to each other is connected between two cross bars, and multiple through-holes are provided on each cross bar;
The pedestal is fixed on ground through through-hole insertion ground by multiple foundation bolts.
8. reliability test fixture under aircraft siding high speed impact according to claim 1, which is characterized in that described to fly
Reliability test fixture under row wall plate high speed impact further include:
Buffer layer, the accommodation space that the accommodation space and the braced frame formed set on the bracket is formed.
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