CN110254748B - Connector-wallboard structure static compression test device - Google Patents
Connector-wallboard structure static compression test device Download PDFInfo
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- CN110254748B CN110254748B CN201910449101.XA CN201910449101A CN110254748B CN 110254748 B CN110254748 B CN 110254748B CN 201910449101 A CN201910449101 A CN 201910449101A CN 110254748 B CN110254748 B CN 110254748B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F5/00—Designing, manufacturing, assembling, cleaning, maintaining or repairing aircraft, not otherwise provided for; Handling, transporting, testing or inspecting aircraft components, not otherwise provided for
- B64F5/60—Testing or inspecting aircraft components or systems
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- Aviation & Aerospace Engineering (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a static compression test device of a joint-wallboard structure, which comprises a compression beam, a base, a compression lower chuck, a joint-wallboard structure test piece, a first angle box, a second angle box, a first bottom beam, a second bottom beam and a plurality of top wheels, wherein the upper end of the joint-wallboard structure test piece is connected with the compression lower chuck, the left side of the upper part of the joint-wallboard structure test piece is provided with a pull rod, the pull rod is connected with one side of the base, the other side of the base is connected with the compression beam, the lower end of the joint-wallboard structure test piece comprises a stringer side and two side surfaces of a skin side, the stringer side is connected with the first angle box, the skin side is connected with the second angle box, the first angle box and the second angle box are both arranged at the top of the first bottom beam, the first bottom beam is arranged at the top of the second bottom beam, two symmetrical top wheels of two wallboards are arranged at two sides of the compression lower chuck, two symmetrical top wheels are also arranged at two sides of the middle section of the joint-wallboard structure test piece, the strength rigidity requirement can be met, and an effective compression load can be provided for the joint-wallboard structure.
Description
Technical Field
The invention relates to the technical field of structural static strength tests, in particular to a static compression test device for a joint-wallboard structure.
Background
The joint-wallboard structure is applied to the design of the connection part of the wing and the fuselage of an airplane structure and the folding connection part of a folding wing airplane, has the stress characteristic of a joint and the stress characteristic of a wallboard, and the static test of the structure has the characteristics of large load, complex boundary condition simulation and the like, is usually carried out in an independent box section or a full-airplane static test, and is difficult to complete the compression static test of the structure in a conventional ground test. At present, the static compression test of a joint-wallboard structure is not separately carried out in China. The invention designs a design method for a static compression test of a joint-wallboard structure, which meets the structural requirements, can meet the static compression test requirements of the structure, and provides technical support for the subsequent static compression test of the joint-wallboard structure.
Disclosure of Invention
The purpose of the invention is as follows: the static compression test device for the joint-wallboard structure can meet the requirement on strength and rigidity, can provide effective compression load for the joint-wallboard structure, and provides technical support for a static compression test of the structure.
The technical scheme of the invention is as follows:
the utility model provides a connect-wallboard structure static compression test device, includes clamp, base, compression collet, connects-wallboard structure test piece, angle box, no. two angle boxes, floorbar, no. two floorbars and a plurality of apical wheels under the compression, connect-wallboard structure test piece upper end and compression collet connection down, connect-wallboard structure test piece upper portion left side have a pull rod, the pull rod links to each other with base one side, the base opposite side is connected with the clamp, connect-wallboard structure test piece lower extreme has included stringer side and two sides of skin side, wherein stringer side is connected with a horn box, the skin side is connected with No. two horn boxes, no. one horn box, no. two horn boxes all set up at floorbar top, no. one the floorbar set up at the floorbar top No. two, compression collet both sides down be provided with the apical wheels of two symmetries, connect-wallboard structure test piece middle section both sides also be provided with the apical wheels of two symmetries.
The upper end of the joint-wallboard structure test piece is provided with a single-lug joint, and the joint-wallboard structure test piece is connected with the lower compression chuck through the single-lug joint.
The pull rod is connected with the base through a pin shaft.
The second bottom beam is arranged on the supporting end platform.
And two symmetrical top wheels at two sides of the middle section of the joint-wallboard structure test piece are perpendicular to the joint-wallboard structure test piece and respectively prop against the T-shaped edge strip side and the skin side of the joint-wallboard structure test piece.
Two symmetrical top wheels at two sides of the lower compression chuck are perpendicular to the lower compression chuck.
And a loading end platform is arranged at the top of the compression lower chuck.
The top wheel comprises a connecting rod, a clamping groove and a roller, wherein the clamping end is arranged at one end of the connecting rod, and the roller is fixed inside the clamping groove through a rotating shaft and can rotate along the rotating shaft.
The invention has the beneficial effects that:
(1) The invention effectively simulates the boundary condition simulation of two different connection forms (the joint and the wallboard) of the joint-wallboard structure and meets the requirements on strength and rigidity.
(2) The static compression test design method is convenient to install, quick and reliable, and the load is applied to the loading end, transmitted to the wall plate through the connector and transmitted to the supporting end through the wall plate, so that the load transmission of the connector-wall plate structure test piece is realized.
Drawings
FIG. 1 is a schematic installation view of an engine mount system static strength test;
FIG. 2 is a schematic view of the top wheel construction;
FIG. 3 is a schematic view of a compression beam configuration;
FIG. 4 is a schematic view of a base structure;
FIG. 5 is a schematic view of a compressed lower clamp;
FIG. 6 is a schematic structural view of a test piece of the joint-panel construction;
FIG. 7 is a schematic structural view of a first horn box and a second horn box;
FIG. 8 is a schematic view of a first sill structure;
FIG. 9 is a schematic view of a second sill structure;
FIG. 10 is an installation schematic of the present invention;
wherein: 1-a top wheel; 2, pressing a beam; 3-a base; 4-compressing the lower chuck; 5-joint-panel structural test pieces; 6-first corner box; 7-second corner box; 8-first bottom beam; 9-second bottom beam; 10-a support end platform; 11-load end platform.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present invention clearer, the technical solutions in the embodiments of the present invention are described in more detail below with reference to the accompanying drawings in the embodiments of the present invention. In the drawings, the described embodiments are to be considered in all respects only as illustrative and not restrictive, and the scope of the invention is not to be limited thereby. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
A static compression test device of a joint-wallboard structure comprises a compression beam 2, a base 3, a compression lower chuck 4, a joint-wallboard structure test piece 5, a first corner box 6, a second corner box 7, a first bottom beam 8, a second bottom beam 9 and a plurality of top wheels 1, wherein the upper end of the joint-wallboard structure test piece 5 is connected with the compression lower chuck 4, a pull rod is arranged on the left side of the upper portion of the joint-wallboard structure test piece 5 and connected with one side of the base 3, the other side of the base 3 is connected with the compression beam 2, the lower end of the joint-wallboard structure test piece 5 comprises a stringer side and a skin side, the stringer side is connected with the first corner box 6, the skin side is connected with the second corner box 7, the first corner box 6 and the second corner box 7 are both arranged on the top of the first bottom beam 8, the first bottom beam 8 is arranged on the top of the second bottom beam 9, the joint simulates the connection state of the wallboard end of the joint-wallboard structure test piece 5, boundary conditions at the position of the joint-wallboard structure test piece are realized, the two sides of the compression lower chuck 4 are provided with two symmetrical top wheels, and two symmetrical top wheels 1-wallboard structures are also arranged on the two sides of the compression lower chuck 4, and two symmetrical top wheels 1-wallboard structures are also prevent the two sides of the compression lower chuck from moving left and right.
The upper end of the joint-wallboard structure test piece 5 is provided with a single-lug joint, the joint-wallboard structure test piece 5 is in bolted connection with the lower compression chuck 4 through the single-lug joint, the connection state of the joint end of the joint-wallboard structure test piece 5 is simulated, and the boundary condition simulation at the joint is realized.
The pull rod is connected with the base 3 through a pin shaft.
The second bottom beam 9 is arranged on a supporting end platform 10.
The two symmetrical top wheels 1 on two sides of the middle section of the joint-wallboard structure test piece 5 are perpendicular to the joint-wallboard structure test piece 5 and respectively prop against the T-shaped edge strip side and the skin side of the joint-wallboard structure test piece 5, so that the joint-wallboard structure test piece 5 is prevented from moving left and right, and the joint-wallboard structure test piece 5 can be prevented from early buckling deformation.
Two symmetrical top wheels 1 at two sides of the lower compression chuck 4 are both vertical to the lower compression chuck 4.
And a loading end platform 11 is arranged at the top of the compression lower chuck 4.
The top wheel 1 comprises a connecting rod, a clamping groove and a roller, wherein the clamping end is arranged at one end of the connecting rod, and the roller is fixed inside the clamping groove through a rotating shaft and can rotate along the rotating shaft.
The installation steps and modes of the invention are as follows:
1) Connecting the compression lower chuck 4 with a loading device through a loading end platform 11 by bolts;
2) Connecting a single lug joint of a joint-wallboard structure test piece 5 with two compression lower chucks 4 through bolts;
3) Connecting the stringer side of the connector-wallboard structure test piece 5 with the first corner box 6 and the skin side with the second corner box 7 through bolts;
4) The first corner box 6 and the second corner box 7 are connected with the first bottom beam 8 through bolts, and the first bottom beam 8 is connected to the second bottom beam 9 through bolts;
5) Connecting a pull rod of a joint-wallboard structure test piece 5 with a base 3 through a pin shaft, and connecting the base 3 with a pressure beam 2 through a bolt so as to ensure that the pull rod is not loaded and keeps horizontal;
6) Placing the external upright in place, and connecting the pressing beam 2 with the upright through a bolt;
7) Two top wheels 1 are placed on two sides of a lower compression chuck 4, and the other two top wheels 1 respectively support the T-shaped edge strip side and the skin side of a joint-wallboard structure test piece 5, so that the top wheels 1 opposite to each other on two sides are ensured to be at the same height;
8) And connecting the external pressing beam with the upright column through a bolt, and fixing the upright column on a bearing terrace of the factory building through the bolt to finish the installation.
Claims (6)
1. The utility model provides a joint-wallboard structure static compression test device which characterized in that: the device comprises a compression beam (2), a base (3), a compression lower chuck (4), a joint-wallboard structure test piece (5), a first angle box (6), a second angle box (7), a first bottom beam (8), a second bottom beam (9) and a plurality of top wheels (1), wherein the upper end of the joint-wallboard structure test piece (5) is connected with the compression lower chuck (4), a pull rod is arranged on the left side of the upper part of the joint-wallboard structure test piece (5), the pull rod is connected with one side of the base (3), the other side of the base (3) is connected with the compression beam (2), an external stand column is put in place, the compression beam (2) is connected with the stand column through bolts to ensure that the pull rod is not loaded and keeps horizontal, the lower end of the joint-wallboard structure test piece (5) comprises a stringer side and two side surfaces of a skin side, wherein the stringer side is connected with the first angle box (6), the skin side of the skin is connected with the second angle box (7), the first angle box (6) and the second angle box (7) are arranged on the first bottom beam (8), the two symmetrical top wheels of the compression lower chuck (9) are arranged on two sides of the compression lower chuck (1), the compression lower chuck (9), the top wheels (9) are arranged on two symmetrical top wheels (10) of the top beam (1), and a loading end platform (11) is arranged at the top of the compression lower chuck (4).
2. A joint-panel structure static compression test apparatus as claimed in claim 1, wherein: the upper end of the joint-wallboard structure test piece (5) is provided with a single-lug joint, and the joint-wallboard structure test piece (5) is connected with the compression lower chuck (4) through the single-lug joint in a bolt mode.
3. A joint-panel structure static compression test apparatus as claimed in claim 1, wherein: the pull rod is connected with the base (3) through a pin shaft.
4. A joint-panel structure static compression test apparatus as claimed in claim 1, wherein: the two symmetrical top wheels (1) on two sides of the middle section of the joint-wallboard structure test piece (5) are perpendicular to the joint-wallboard structure test piece (5) and respectively support against the T-shaped edge strip side and the skin side of the joint-wallboard structure test piece (5).
5. A joint-panel structure static compression test apparatus as claimed in claim 1, wherein: two symmetrical top wheels (1) at two sides of the lower compression chuck (4) are vertical to the lower compression chuck (4).
6. A joint-panel structure static compression test apparatus as claimed in claim 1, wherein: the top wheel (1) comprises a connecting rod, a clamping groove and a roller, wherein the clamping groove is formed in one end of the connecting rod, and the roller is fixed inside the clamping groove through a rotating shaft and can rotate along the rotating shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910449101.XA CN110254748B (en) | 2019-05-27 | 2019-05-27 | Connector-wallboard structure static compression test device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910449101.XA CN110254748B (en) | 2019-05-27 | 2019-05-27 | Connector-wallboard structure static compression test device |
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| CN110254748A CN110254748A (en) | 2019-09-20 |
| CN110254748B true CN110254748B (en) | 2023-02-10 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110887733A (en) * | 2019-11-20 | 2020-03-17 | 中国飞机强度研究所 | Static force tensile test device of joint-wallboard structure |
| CN111044358B (en) * | 2019-11-26 | 2022-08-12 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Testing device and testing method for free-side-edge stringer cut-off end test |
| CN111337340B (en) * | 2019-11-28 | 2022-10-21 | 中国商用飞机有限责任公司北京民用飞机技术研究中心 | Testing arrangement of simply-supported stringer of side end test piece configuration |
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