CN204855281U - Roof beam butt joint performance test spare - Google Patents
Roof beam butt joint performance test spare Download PDFInfo
- Publication number
- CN204855281U CN204855281U CN201520435363.8U CN201520435363U CN204855281U CN 204855281 U CN204855281 U CN 204855281U CN 201520435363 U CN201520435363 U CN 201520435363U CN 204855281 U CN204855281 U CN 204855281U
- Authority
- CN
- China
- Prior art keywords
- performance test
- beam channel
- butt joint
- channel
- angle box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Abstract
The utility model provides a roof beam butt joint performance test spare, belongs to aeronautical composite material strength analysis field, especially involves a roof beam butt joint performance test spare. Compared with the prior art, change the combined material lamination board into the beam channel structure, it avoids producing the eccentric bending moment to change the primary structure into symmetric form, testpieces finally destruction mode is the simple interior shear failure of face, and when experimental implementation, the testpieces is directly put on two simple and easy supports, need not design complicated anchor clamps, and load is directly applyed in the butt joint district, experimental implementation is more convenient, the loading tonnage of testing machine also can improve, thicker combined material roof beam butt joint capability test can carry out.
Description
Technical field
The utility model relates to aviation composite integral fabrication technique field, in particular to a kind of beam docking performance test part.
Background technology
Current compound substance is widely used in aviation field, and composite material beam docking is with bolts.Therefore, when strength check, the strength check carrying out docking area is needed.But the performance of the composite material beam of different ply stacking-sequence, different materials system docking is different, therefore beam docking performance test needs to carry out in each model.
This front-axle beam docking performance test part adopts composite material flat plate and sheet metal directly by bolted testpieces form.During test, in the clamping of MTS machine, apply tensile load.This testpieces simplicity of design, test is implemented convenient, but when test is implemented, the cross section of testpieces bonding pad can produce eccentric bending moment, and the final failure mode of testpieces is combined failure, is not simple shear failure.If testpieces thickness is larger, moment of flexure is larger, and the docking performance obtained is lower, and the performance that composite material beam is docked is not played completely.Therefore, the problem that present stage needs solution badly needs to design a kind of beam docking performance test part, and avoid testpieces to produce eccentric bending moment, occur combined failure, improving the performance of beam docking, is aircraft loss of weight.
Utility model content
The purpose of this utility model is to solve above-mentioned deficiency of the prior art, provides a kind of simple and reasonable, that device stability is high beam to dock performance test part.
The purpose of this utility model is achieved through the following technical solutions: comprising: comprise beam channel, wainscot, lower wall panels, dull and stereotyped, L-type angle box, grooved angle box, supporter and loaded member, wherein, beam channel between two one group and channel opening is arranged dorsad, be provided with grooved angle box between beam channel the web of two beam channels is fixedly connected with grooved angle box, the dorsal part web of beam channel is provided with flat board, flat board is fixedly connected with the web of beam channel joint by the dull and stereotyped L-type angle box by arranging inside beam channel, the upper trough rim of beam channel, the lower trough rim of beam channel respectively with wainscot, lower wall panels is fixedly connected with, lower wall panels is positioned on two supporters, wainscot is provided with loaded member.
In such scheme preferably, the L-type angle box arranged in beam channel, flat board and described beam channel is fixedly connected with by the first bolt by beam channel joint.
The beneficial effect of beam docking performance test part provided by the utility model is, structure is simple, easily manufactured, composite material laminated board is changed into beam channel structure, original structure is changed into symmetric form, cross section, docking area eccentric bending moment is cancelled out each other, and the final failure mode of testpieces is simple shear failure.And the two ends of testpieces are placed on holder, when testing enforcement, directly load in docking area, test is implemented more convenient, avoid designing complicated fixture, the loading tonnage of testing machine also can improve, and can carry out thicker composite material beam docking performance performance test.Device stability is high, safe and reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of the preferred embodiment according to beam docking performance test part of the present utility model;
Fig. 2 is the A-A cross-sectional view embodiment illustrated in fig. 1 according to beam docking performance test part of the present utility model;
Fig. 3 is the B-B cross-sectional view embodiment illustrated in fig. 1 according to beam docking performance test part of the present utility model.
Reference numeral:
1-beam channel, 2-wainscot, 3-lower wall panels, 4-flat board, 5-L type angle box, 6-grooved angle box, 7-first bolt, 8-second bolt, 9-the 3rd bolt, 10-supporter, 11-loaded member.
Embodiment
In order to understand the beam docking performance test part according to the utility model scheme better, be further elaborated explanation below in conjunction with the preferred embodiment of accompanying drawing to beam docking performance test part of the present utility model.
Beam docking performance test part as described in Fig. 1-3, comprise beam channel 1, wainscot 2, lower wall panels 3, dull and stereotyped 4, L-type angle box 5, grooved angle box 6, supporter 10 and loaded member 11, wherein, beam channel 1 between two one group and channel opening is arranged dorsad, be provided with grooved angle box 6 between beam channel 1 web of two beam channels 1 is fixedly connected with grooved angle box 6, the dorsal part web of beam channel 1 is provided with dull and stereotyped 4, dull and stereotyped 4 are fixedly connected with dull and stereotyped 4 with the web of beam channel 1 joint by the L-type angle box 5 arranged inside beam channel 1, the upper trough rim of beam channel 1, the lower trough rim of beam channel 1 respectively with wainscot 2, lower wall panels 3 is fixedly connected with, lower wall panels 3 is positioned on two supporters 10, wainscot 2 is provided with loaded member 11.The L-type angle box 5 arranged in beam channel 1, flat board 4 and beam channel 1 is fixedly connected with by the first bolt 7 by beam channel 1 joint.Grooved angle box 6 is fixedly connected with by the web of the second bolt 8 with two beam channels 1.Trough rim, the lower wall panels 3 of wainscot 2 and beam channel 1 are fixedly connected with by the 3rd bolt 9 with the trough rim of beam channel 1.
In concrete use procedure, a kind of beam docking performance test part that the utility model provides, for test compound material beam docking performance.Testpieces comprises beam channel 1, wainscot 2, lower wall panels 3, flat board 4, L-type angle box 5, grooved angle box 6, bolt 7, bolt 8, bolt 9, supporter 10 and loaded member 11, four sections of beam channels 1 one group between two, its web is fixed with bolt 7 respectively by two pieces of flat boards 4 and four L-type angle boxes 5, then two beams connected are fixed at web place bolt 5 by two grooved angle boxes 3, upper trough rim and wainscot 2 bolt 9 are fixed, and lower trough rim and lower wall panels 3 bolt 9 are fixed.When test is implemented, testpieces is directly positioned on two supporters 10, imposed load in loaded member 11.Two pieces of flat boards 4 and four L-type angle boxes 5 are equivalent to the connecting elements of four sections of beam channels 1, by bolt 7, four sections of beam channels 1 are assembled into two beams; Two beams are connected by bolt 8 with two grooved angle boxes 6 on two end webs of beam, and four sections of beam channels 1 itself are without any annexation.Two beam upper surfaces are connected by bolt 9 with wainscot 2, and lower surface is connected by bolt 9 with lower wall panels 3.
When test loads, directly testpieces is placed on supporter 10, loaded member 11 applies compressive load and can obtain composite material beam docking performance data.
Compared with prior art, composite material laminated board is changed into beam channel 1 structure by the beam docking performance test part that the utility model provides, original structure is changed into symmetric form, cross section, docking area eccentric bending moment is cancelled out each other, the final failure mode of testpieces is simple shear failure, and the two ends of testpieces are placed on holder 10, when testing enforcement, directly load in docking area, test is implemented more convenient, avoid designing complicated fixture, the loading tonnage of testing machine also can improve, and can carry out thicker composite material beam docking performance performance test.
More than be described in detail in conjunction with beam docking performance test part specific embodiment of the present utility model, but be not to restriction of the present utility model, everyly according to technical spirit of the present utility model, technical scope of the present utility model is all belonged to any simple modification made for any of the above embodiments, also it should be noted that, comprise the combination in any between each part mentioned above according to the category of beam docking performance test part technical scheme of the present utility model.
Claims (4)
1. a beam docking performance test part, it is characterized in that, comprise: comprise beam channel (1), wainscot (2), lower wall panels (3), dull and stereotyped (4), L-type angle box (5), grooved angle box (6), supporter (10) and loaded member (11), wherein, beam channel (1) between two one group and channel opening is arranged dorsad, be provided with grooved angle box (6) between beam channel (1) web of two beam channels (1) is fixedly connected with grooved angle box (6), the dorsal part web of beam channel (1) is provided with flat board (4), dull and stereotyped (4) are fixedly connected with the web of beam channel (1) joint by L-type angle box (5) that dull and stereotyped (4) are arranged by beam channel (1) inner side, the upper trough rim of beam channel (1), the lower trough rim of beam channel (1) respectively with wainscot (2), lower wall panels (3) is fixedly connected with, lower wall panels (3) is positioned on two supporters (10), wainscot (2) is provided with loaded member (11).
2. beam docking performance test part as claimed in claim 1, it is characterized in that, L-type angle box (5) arranged in described beam channel (1), described flat board (4) and described beam channel (1) is fixedly connected with by the first bolt (7) by described beam channel (1) joint.
3. beam docking performance test part as claimed in claim 1, it is characterized in that, described grooved angle box (6) is fixedly connected with by the web of the second bolt (8) with beam channel described in two (1).
4. beam docking performance test part as claimed in claim 1, it is characterized in that, described wainscot (2) is fixedly connected with by the 3rd bolt (9) with the trough rim of described beam channel (1) with the trough rim of described beam channel (1), described lower wall panels (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435363.8U CN204855281U (en) | 2015-06-23 | 2015-06-23 | Roof beam butt joint performance test spare |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520435363.8U CN204855281U (en) | 2015-06-23 | 2015-06-23 | Roof beam butt joint performance test spare |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204855281U true CN204855281U (en) | 2015-12-09 |
Family
ID=54745820
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520435363.8U Active CN204855281U (en) | 2015-06-23 | 2015-06-23 | Roof beam butt joint performance test spare |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204855281U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484672A (en) * | 2018-11-30 | 2019-03-19 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of upper wall end connect whole angle case assembly with siding |
-
2015
- 2015-06-23 CN CN201520435363.8U patent/CN204855281U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109484672A (en) * | 2018-11-30 | 2019-03-19 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | A kind of upper wall end connect whole angle case assembly with siding |
| CN109484672B (en) * | 2018-11-30 | 2024-01-16 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Go up wall end and wallboard and connect whole angle box subassembly |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109520860B (en) | Spar butt joint test piece design method | |
| CN106248322B (en) | A kind of wing-box experimental rig of curved scissors loading | |
| CN103293059A (en) | Compression fatigue testing device and method for low-speed impacted composite material laminate | |
| Islam et al. | Behaviour of structural fibre composite sandwich panels under point load and uniformly distributed load | |
| CN111044358A (en) | Testing device and testing method for stringer cut-off end test with free side edge | |
| CN204855281U (en) | Roof beam butt joint performance test spare | |
| RU2653774C1 (en) | Device for testing panels | |
| CN211927506U (en) | Testing device for stringer cut-off end test with free side edge | |
| CN202518458U (en) | Stiffened wallboard fatigue test transition section | |
| CN214200948U (en) | Clamping device for honeycomb sandwich wallboard shear test | |
| CN103776706B (en) | A kind of compound substance rudder face load charger | |
| CN108896393A (en) | The assembly type bias loading device and working method of eccentricity can arbitrarily be adjusted | |
| CN112798408A (en) | Large-opening fatigue test fixture for wing spar | |
| CN202710399U (en) | Composite-material laminate bolt connection extruding strength single-lap joint test fixture | |
| CN112763347A (en) | Shear test equipment and method for large-opening stiffened wallboard of aircraft wing with collapsed ribs | |
| Zhu et al. | Mechanical behavior of the CFRP lattice core sandwich bolted splice joints | |
| CN203385600U (en) | Composite beam shearing test piece | |
| CN215004674U (en) | Adjustable axial loading test fixture for stiffened wall plate | |
| CN115655869A (en) | Multi-directional hybrid tension-shear loading test fixture and test method | |
| CN204694544U (en) | A kind of pack hole squeeze test part | |
| CN203350107U (en) | Nail hole extrusion single lap joint test piece | |
| CN204202982U (en) | For the charger of material biaxial compression test | |
| CN203705276U (en) | Device for loading composite material control surface load | |
| CN204142576U (en) | For the charger of material biaxial tension-compression strength | |
| Zhang et al. | Experimental study on bending performance of composite sandwich panel with new mixed core |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |