CN205679381U - A kind of bent plate box section testpieces - Google Patents
A kind of bent plate box section testpieces Download PDFInfo
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- CN205679381U CN205679381U CN201620441441.XU CN201620441441U CN205679381U CN 205679381 U CN205679381 U CN 205679381U CN 201620441441 U CN201620441441 U CN 201620441441U CN 205679381 U CN205679381 U CN 205679381U
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- eyelid covering
- testpieces
- plate
- girder
- auxiliary beam
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Abstract
This utility model provides a kind of bent plate box section testpieces, belongs to aeronautic structure mechanical test field.Including testpieces main body and docking band plate (3), described testpieces main body is hollow box like structure, middle part is examination section (1), two ends are provided with changeover portion (2), changeover portion (2) connects docking band plate (3), described docking band plate (3) is used for joint test fixture, described testpieces main body includes eyelid covering, lower eyelid covering, girder and auxiliary beam, upper eyelid covering is arranged with lower eyelid covering opposition, girder is arranged with auxiliary beam opposition, described hollow box-like inside configuration is provided with dividing plate, for support beam and eyelid covering, it is provided with hole on described dividing plate, pass through for foil gauge cable, under the support of described dividing plate, described upper eyelid covering is arcuation, described lower eyelid covering is plate-shaped.This testpieces is that the design way giving a kind of testpieces is examined in the test of the carrying design of leading edge curved-surface structure, and the carrying design for structure provides foundation, reduces risk and the cost of full-scale test.
Description
Technical field
This utility model belongs to aeronautic structure mechanical test field, especially relates to a kind of bent plate box section testpieces.
Background technology
For the design verification of the aerofoil leading edge structure of big-and-middle-sized aircraft, the test of full machine or section test is generally used to enter
Row checking, but as unreasonable in structure design, fortuitous event occurs, the loss thus brought is the biggest, therefore, in design
During, need to be designed checking as early as possible, be also accomplished by the form according to structure, design a kind of testpieces with model configuration
Whether loading conditions meets requirement.
In prior art, partial structurtes, due to irregular characteristic, are often designed during test by aerofoil leading edge curved-surface structure
Unreasonable, and if use full machine testpieces to test, then can not obtain the most accurately local loading property.
Utility model content
In order to solve the problems referred to above, this utility model provides a kind of bent plate box section testpieces, including testpieces main body and
Docking band plate, described testpieces main body is hollow box like structure, and middle part is provided with changeover portion for examination section, two ends, and changeover portion is even
Connecing docking band plate, described docking band plate is used for joint test fixture, and described testpieces main body includes eyelid covering, lower eyelid covering, girder
And auxiliary beam, upper eyelid covering is arranged with lower eyelid covering opposition, and girder is arranged with auxiliary beam opposition, described hollow box-like inside configuration be provided with every
Plate, described dividing plate is provided with hole, passes through for foil gauge cable, under the support of described dividing plate, described upper eyelid covering and under
In eyelid covering, at least one is arcuation, and the most described upper eyelid covering is arcuation, and described lower eyelid covering is plate-shaped.
Preferably, the plate face of described docking band plate is vertical and girder or the axis of auxiliary beam, and on described docking band plate
It is provided perpendicular to the flange in described docking band plate plate face, is used for connecting girder, auxiliary beam, upper eyelid covering and lower eyelid covering.
In such scheme preferably, described docking band plate is provided with screw, is bolted test fixture.
In such scheme preferably, upper eyelid covering, between lower eyelid covering and dividing plate and upper eyelid covering, lower eyelid covering, girder with
All connected by nail between auxiliary beam.
Preferably, also include the first connector, described upper eyelid covering, lower eyelid covering its with described girder with auxiliary beam junction
Arranging an extension, described extension is clamped between described first connector and described girder or auxiliary beam, and by nail by institute
State the first connector, upper eyelid covering, lower eyelid covering, girder are connected with each other with auxiliary beam.
In such scheme preferably, all it is connected by nail between dividing plate with girder and dividing plate with auxiliary beam.
Preferably, also including the second connector, dividing plate is vertical with the face of described girder or auxiliary beam place, and described second even
Fitting is angle box, and orthogonal two faces of angle box are separately fixed on described dividing plate and described girder or auxiliary beam.
In such scheme preferably, described upper eyelid covering, lower eyelid covering, girder are more than with auxiliary beam thickness at changeover portion
The thickness at section is examined in the middle part of its each leisure described testpieces main body.
The utility model has the advantage of the concrete form according to structure, use interception type or matching formula section shape to set
Meter, obtains skin shape in box section, then symmetric design goes out lower eyelid covering or uses eyelid covering under flat board, and eyelid covering dual-side is then according to eyelid covering
Stress distribution than separately designing the beam of differing heights, internal suitable adds the supporting constructions such as upper spacer, testpieces is tied with reality
The degree of fitting of structure is high, uses the design form of high degree of fitting, and accurate simulation goes out the loaded state of structure, for the design verification of structure
Provide foundation accurately.
Accompanying drawing explanation
Fig. 1 is the structural representation of a preferred embodiment of this utility model bent plate box section testpieces.
Fig. 2 is a structural representation of the bent plate box section testpieces of embodiment illustrated in fig. 1.
Fig. 3 is a structural representation of the bent plate box section testpieces of embodiment illustrated in fig. 1.
Wherein, 1 is examination section, and 2 is changeover portion, and 3 is docking band plate, and 4 is upper eyelid covering, and 5 is lower eyelid covering, and 6 is girder, and 7 are
Auxiliary beam, 8 is dividing plate.
Detailed description of the invention
Clearer, below in conjunction with this utility model for the purpose making this utility model implement, technical scheme and advantage
Accompanying drawing in embodiment, is further described in more detail the technical scheme in this utility model embodiment.In the accompanying drawings, ad initio
Represent same or similar element to same or similar label eventually or there is the element of same or like function.Described reality
Executing example is a part of embodiment of this utility model rather than whole embodiments.The embodiment described below with reference to accompanying drawing
It is exemplary, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.New based on this practicality
Embodiment in type, the every other enforcement that those of ordinary skill in the art are obtained under not making creative work premise
Example, broadly falls into the scope of this utility model protection.Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
In description of the present utility model, it is to be understood that term " " center ", " longitudinally ", " laterally ", "front", "rear",
The orientation of the instruction such as "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " or position relationship are for based on accompanying drawing institute
The orientation shown or position relationship, be for only for ease of description this utility model and simplify description rather than instruction or hint indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The restriction of novel protected scope.
Below by embodiment, this utility model is described in further details.
The aerofoil leading edge structure of aircraft is that the exhibition of typical hyperboloid structure becomes continuously to, tangential radius of curvature each point
Change, but along exhibition to Curvature varying more mild, in a segment length (such as L), be similar to wait straight section；And along tangential curvature
Changing greatly, in terms of profile type, after the taken beam of L section, upper cover portion is similar to one section of large radius arc, and therefore, we are permissible
Using the form intercepted to carry out the design of testpieces, the mode of recycling analog approximation, length direction such as takes at straight section, the arc surface
Both can use the cylinder of fit radius, it would however also be possible to employ the form in exact shape face, thus simulate the reality of the section of being intercepted
The examination section of the testpieces of structure, i.e. testpieces.
In the present embodiment, described bent plate box section testpieces, as it is shown in figure 1, include testpieces main body and docking band plate 3, institute
Stating testpieces main body is hollow box like structure, and middle part is provided with changeover portion 2 for examination section 1, two ends, and changeover portion 2 connects jointing strip
Plate 3, described docking band plate 3 for joint test fixture, described testpieces main body include eyelid covering 4, lower eyelid covering 5, girder 6 and
Auxiliary beam 7, upper eyelid covering 4 is arranged with lower eyelid covering 5 opposition, and girder 6 is arranged with auxiliary beam 7 opposition, can combine with reference to Fig. 2 and Fig. 3, described
Hollow box-like inside configuration is provided with dividing plate 8, is provided with hole, for foil gauge on support beam and eyelid covering, described dividing plate 8
Cable passes through, and under the support of described dividing plate 8, in described upper eyelid covering or lower eyelid covering, at least one is arcuation, such as go up eyelid covering 4 in
Arcuation, described lower eyelid covering 5 is plate-shaped, it is to be understood that arcuation here is bent plate structure, half at difference and eyelid covering wing tip
Cylindrical structure.In practical structures, upper eyelid covering outwards protrudes in bent plate structure, and lower eyelid covering can be inwardly in the recessed contracting of bent plate structure, it is possible to
Outwards protrude in bent plate structure, described outwards, be inward from the center for box like structure, ultimately form the box-like knot of arch font
Structure.
In the present embodiment, as shown in Figures 2 and 3, eyelid covering divides upper and lower two, in terms of section, upper eyelid covering be one section of circular arc or
Continuous variable curvature curve, lower eyelid covering is symmetric design or uses slab construction, and dual-side is then according to the stress distribution ratio of eyelid covering
Separately design the girder of differing heights, auxiliary beam is attached thereto.
It should be noted that the present embodiment dividing plate is at least provided with two, it is for being divided into two by described testpieces main body
Part, the examination section 1 being in respectively between two dividing plates 8, and it is positioned at the changeover portion 2 outside two dividing plates 8, described dividing plate
8 can also is that 4 and more than, such as when dividing plate quantity is 4, except both of the aforesaid for segmentation dividing plate 8 in addition to, also wrap
Include the dividing plate being arranged on testpieces main body two ends, with reference to the dividing plate of the leftmost side in Fig. 2, be positioned at testpieces main body two ends dividing plate its
Can be used to close the testpieces main body of described hollow box like structure, it is also possible to do support eyelid covering effect, when the two every
When plate is used for the two ends of blocking test part main body semicircular cylinder, eyelid covering can not be connected with docking band plate 3, i.e. eyelid covering is above-mentioned in contact
During the dividing plate 8 at two ends, directly being crimped by the form of flange or be riveted on dividing plate 8, docking band plate is only connected with beam.When
When dividing plate quantity is more than 4, it is primarily used to support eyelid covering and beam, makes the hollow of eyelid covering and beam formation rule by dividing plate 8
Box like structure.
It should be noted that upper address described below in, eyelid covering includes eyelid covering and lower eyelid covering, and beam includes girder and auxiliary
Beam.
Certainly, eyelid covering can also be directly anchored to dock on band plate, specifically by the present embodiment near the two ends of docking band plate
, docking band plate arranges the flange of an arc, and eyelid covering gets final product compact siro spinning technology, such as directly against being arranged on this arc flange
Riveting, splicing etc..
It is understood that mode connected as described above is similar to, owing to the plate face of described docking band plate 3 is vertical and described beam
Axis, therefore, it can be provided perpendicular to another flange in described docking band plate plate face, this flange on described docking band plate 3
For tie-beam.
In the present embodiment, described docking band plate 3 is provided with screw, is bolted test fixture, alternative at one
In embodiment, it can also directly clamp described docking band plate by fixture.
In the present embodiment, eyelid covering is all connected by nail with beam with dividing plate 8 and eyelid covering.The connection of such as eyelid covering and dividing plate 8,
Eyelid covering, when contact is positioned at the dividing plate at beam two ends, continues to stretch out one section, and one end of this extension is turned down to be adjacent to every
On plate, now can be connected by modes such as riveting, pin, splicing, in like manner, the connected mode of eyelid covering and beam is too.
In view of above-mentioned connected mode, the present embodiment also provides for other fixed form, such as arranges the first connector, such as edge
Bar, as a example by the eyelid covering connected mode with beam, described eyelid covering arranges an extension in itself and beam junction, and described extension clamps
Between described first connector and described beam, and by nail, described first connector, eyelid covering and beam are connected with each other.
In the present embodiment, dividing plate 8 is connected by nail with beam.In an alternate embodiment, it is also possible to by glueing joint, welding
The mode of connecing is attached.
Connected mode based on above-mentioned eyelid covering Yu beam, can also include the second connector, dividing plate 8 and the face at beam place herein
Vertically, described second connector is angle box, and orthogonal two faces of angle box are separately fixed on described dividing plate 8 and beam.
In the present embodiment, in order to meet the needs that test loads, supports, testpieces two ends are extended and suitably adds
By force, the beam of described changeover portion 2, skin thickness are more than the beam of the section of examination, skin thickness in the middle part of described testpieces main body 1.Further according to
Test concrete form design docking band plate is connected with loading fixture, gripping clamping apparatus respectively, i.e. two ends changeover portion, in the present embodiment,
Section is examined to use and real structure (especially eyelid covering) geometric parameter and the real structure parameter simulated in the middle part of testpieces main body
Unanimously, thus for real structure design carry foundation more accurately is provided.
This testpieces is that the design way giving a kind of testpieces is examined in the test of the carrying design of leading edge curved-surface structure,
Carrying for structure designs offer foundation, reduces risk and the cost of full-scale test.
The utility model has the advantage of the concrete form according to structure, use interception type or matching formula section shape to set
Meter, obtains skin shape in box section, then symmetric design goes out lower eyelid covering or uses eyelid covering under flat board, and eyelid covering dual-side is then according to eyelid covering
Stress distribution than separately designing the beam of differing heights, internal suitable adds the supporting constructions such as upper spacer, testpieces is tied with reality
The degree of fitting of structure is high, uses the design form of high degree of fitting, and accurate simulation goes out the loaded state of structure, for the design verification of structure
Provide foundation accurately.
Last it is noted that above example is only in order to illustrate the technical solution of the utility model, rather than it is limited
System.Although being described in detail this utility model with reference to previous embodiment, those of ordinary skill in the art should manage
Solve: the technical scheme described in foregoing embodiments still can be modified by it, or enters wherein portion of techniques feature
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from each embodiment of this utility model
The spirit and scope of technical scheme.
Claims (8)
1. a bent plate box section testpieces, it is characterised in that: include testpieces main body and docking band plate (3), described testpieces master
Body is hollow box like structure, and middle part is examination section (1), two ends are provided with changeover portion (2), and changeover portion (2) connects docking band plate
(3), described docking band plate (3) is used for joint test fixture, and described testpieces main body includes eyelid covering (4), lower eyelid covering (5), master
Beam (6) and auxiliary beam (7), upper eyelid covering (4) is arranged with lower eyelid covering (5) opposition, and girder (6) is arranged with auxiliary beam (7) opposition, described hollow
Box like structure is internally provided with dividing plate (8), and described dividing plate is provided with hole on (8), passes through for foil gauge cable, described every
Under the support of plate (8), in described upper eyelid covering (4) or lower eyelid covering (5), at least one is arcuation.
2. bent plate box section testpieces as claimed in claim 1, it is characterised in that: the plate face of described docking band plate (3) vertical with
Girder (6) or the axis of auxiliary beam (7), and on described docking band plate (3), it is provided perpendicular to described docking band plate (3) plate face
Flange, is used for connecting girder (6), auxiliary beam (7), upper eyelid covering (4) and lower eyelid covering (5).
3. bent plate box section testpieces as claimed in claim 1, it is characterised in that: it is provided with screw on described docking band plate (3),
It is bolted test fixture.
4. bent plate box section testpieces as claimed in claim 1, it is characterised in that: upper eyelid covering (4), lower eyelid covering (5) and dividing plate (8)
Between and upper eyelid covering (4), lower eyelid covering (5), girder (6) be all connected by nail between auxiliary beam (7).
5. bent plate box section testpieces as claimed in claim 4, it is characterised in that: also include the first connector, described upper eyelid covering
(4), lower eyelid covering (5) one extension is being set with described girder (6) and auxiliary beam (7) junction, described extension is clamped in described
Between first connector and described girder (6) or auxiliary beam (7), and by nail by described first connector, upper eyelid covering (4), lower illiteracy
Skin (5), girder (6) are connected with each other with auxiliary beam (7).
6. bent plate box section testpieces as claimed in claim 1, it is characterised in that: dividing plate (8) and girder (6) and dividing plate (8)
All it is connected by nail with between auxiliary beam (7).
7. bent plate box section testpieces as claimed in claim 6, it is characterised in that: also include the second connector, dividing plate (8) with
The face at described girder (6) or auxiliary beam (7) place is vertical, and described second connector is angle box, orthogonal two faces of angle box
It is separately fixed on described dividing plate (8) and described girder (6) or auxiliary beam (7).
8. bent plate box section testpieces as claimed in claim 1, it is characterised in that: described upper eyelid covering (4), lower eyelid covering (5), girder
(6) with the auxiliary beam (7) thickness at changeover portion (2) place more than the thickness examining section (1) place in the middle part of its each leisure described testpieces main body
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441441.XU CN205679381U (en) | 2016-05-16 | 2016-05-16 | A kind of bent plate box section testpieces |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620441441.XU CN205679381U (en) | 2016-05-16 | 2016-05-16 | A kind of bent plate box section testpieces |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205679381U true CN205679381U (en) | 2016-11-09 |
Family
ID=57437436
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620441441.XU Active CN205679381U (en) | 2016-05-16 | 2016-05-16 | A kind of bent plate box section testpieces |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205679381U (en) |
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2016
- 2016-05-16 CN CN201620441441.XU patent/CN205679381U/en active Active
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