CN218726058U - A test device for wallboard axial compression static test - Google Patents
A test device for wallboard axial compression static test Download PDFInfo
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- CN218726058U CN218726058U CN202222638712.9U CN202222638712U CN218726058U CN 218726058 U CN218726058 U CN 218726058U CN 202222638712 U CN202222638712 U CN 202222638712U CN 218726058 U CN218726058 U CN 218726058U
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Abstract
The utility model provides a test device for wallboard axial compression static test, include: the device comprises a wallboard test piece (1), a support (2), a transition base (3), a support (4), a limiting device (5), a connecting rod (6), a first joint (7), a loading lever (8) and a loading device (11); the left end of the wallboard test piece (1) is fixed on the bracket (2) for connection, the right end is fixed on the right steel plate, and the right steel plate is limited in the limiting device (5) to slide left and right; two sides of a steel plate at the right end of the wallboard test piece (1) are connected with a loading device (11) through a connecting rod (6), a first joint (7) and a loading lever (8). Load set values are input through a loading device, and loads are transmitted to a right steel plate through a loading lever (8), a first connector (7) and a connecting rod (6), so that axial compression loads of a wallboard test piece (1) are converted, and static tests of axial compression stability of the wallboard are completed.
Description
Technical Field
The utility model belongs to the technical field of the aviation, concretely relates to a test device for wallboard axial compression static test.
Background
At present, the stability of 8 series wallboards is calculated by adopting an empirical calculation method and related parameters of a design manual, and the verification of related experiments is lacked. In order to obtain the relevant parameters of the axial compression stability of the typical wallboard of the airplane body, an axial compression stability test of the wallboard of the airplane body is planned, the relevant parameters are perfected, and a basis is provided for the stability calculation improvement of the typical wallboard of the airplane body.
According to the existing typical arrangement condition of the fuselage panel and the condition of combining finite element simulation optimization, the test piece is designed and manufactured to comprise 8 combination conditions of stringer profiles, stringer intervals, skin thickness and the like. Each combination design 3 pieces of 8 combinations of 24 curved surface typical wall plate structures with the length of 1000mm and the width of 310 mm.
Because the small part test is carried out for the first time, the test loading and supporting structure has no inheritance, and the existing equipment cannot meet the test requirements of the test loading and supporting, therefore, a set of test loading and supporting tooling matched with the test loading and supporting tooling needs to be newly designed according to the structural form of the test part.
SUMMERY OF THE UTILITY MODEL
The utility model provides a test device for wallboard axial compression static test solves typical wallboard axial compression static test loading, fixed and problem with high costs.
The utility model provides a test device for wallboard axial compression static test, include: the device comprises a wallboard test piece 1, a support 2, a transition base 3, a support 4, a limiting device 5, a connecting rod 6, a first joint 7, a loading lever 8, a loading device 11, a second joint 12, a stand column 13 and a cross beam 14;
the left end of the wallboard test piece 1 is connected with a support 2, and the support 2 is connected with a force-bearing ground rail through a transition base 3 and a support 4;
the right end of the wallboard test piece 1 is connected with a steel plate, the steel plate is limited in a limiting device 5, the limiting device 5 is of a square frame structure, and the steel plate slides in the square frame structure along the left-right direction;
the width of the steel plate is larger than that of the wallboard test piece 1, and two sides of the steel plate are connected with two ends of a loading lever 8 through two connecting rods 6 and two first connectors 7; the length of the connecting rod 6 is greater than that of the wallboard test piece 1, and the loading lever 8 is positioned on the left side of the wallboard test piece 1; the loading lever 8 pulls the two connecting rods 6 towards the left side to drive the steel plate to pressurize the wallboard test piece 1;
the loading device 11 is fixedly connected to the bearing wall through a second joint 12, a stand column 13 and a cross beam 14; the connection of the pressure end of the loading device 11 with the loading lever 8 adjusts the pressure on both sides of the wall plate test piece 1 by adjusting the position of the connection on the loading lever 8.
Optionally, the bracket 2 includes a bottom plate, a fixing plate and an oblique reinforcing rib;
the bottom plate of the bracket 2 is vertical to the fixed plate, and the oblique reinforcing ribs are connected with the bottom plate and the fixed plate;
the fixing plate is connected with the left end of the wallboard test piece 1 through a steel plate and used for fixing the test piece;
the bottom plate is connected with the transition base 3, the support 4 and the bearing ground rail step by step.
Optionally, the box structure of the limiting device 5 comprises an upper clamping plate, a lower clamping plate, an inner clamping plate and an outer clamping plate, and the four clamping plates are used for limiting the wallboard test piece 1 up and down and inside and outside.
Optionally, the method further includes: a limit pillar 9 and a limit support 10;
the loading lever 8 is fixed on the limit pillar 9, and the loading device 11 is fixed on the limit support 10.
Optionally, the loading device 11, the loading lever 8, the first joint 7 and the connecting rod 6 are located on the same horizontal line.
Optionally, the length and the width of the wallboard test piece 1 are 790mm and 310mm respectively;
the wallboard test piece 1 includes a stringer, a skin, and a frame.
The utility model provides a test device for wallboard axial compression static test is used for the static test of typical wallboard axial compression stability of aircraft. The test pieces comprise 8 combination conditions such as stringer profiles, stringer distances, skin thicknesses and the like, and each combination designs 24 curved surface typical wallboard structures with 3 combinations of 1000mm long and 310mm wide. Because the test of the small parts is carried out for the first time, the test loading and supporting structure has no inheritance, and the existing equipment can not meet the test requirements of the test loading and supporting, therefore, a set of test loading and supporting tool matched with the test loading and supporting tool needs to be newly designed according to the structural form of the test parts. This static test device has passed through wallboard axial compression stability static test and has used the verification, and is respond well, because this experiment belongs to batch research test, the testpieces are more. The device has the characteristics of low manufacturing cost, convenient replacement and installation, simple and convenient test loading implementation, small test risk and the like.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the embodiments of the present invention will be briefly described below, and it is obvious that the drawings described below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural diagram of a testing device for axial hydrostatic test of a wallboard;
FIG. 2 is a front view of the bracket;
FIG. 3 is a side view of the bracket;
FIG. 4 is a top view of the bracket;
FIG. 5 is a front view of the transition mount;
FIG. 6 is a side view of a transition mount;
FIG. 7 is a top view of the transition mount;
FIG. 8 is a front view of a channel steel beam;
FIG. 9 is a side view of a channel beam;
FIG. 10 is a plan view of a channel steel beam;
FIG. 11 is a front view of a binaural joint;
FIG. 12 is a top view of a binaural joint;
description of reference numerals:
1-wallboard test pieces;
2-a scaffold;
3-a transition base;
4-support;
5-a limiting device;
6-connecting rod;
7-a first joint;
8-a loading lever;
9-a limit strut;
10-a limit support;
11-a loading device;
12-a second linker;
13-upright column;
14-beam.
Detailed Description
The following describes the testing device for axial compression static test of wallboard according to the present invention in detail with reference to the accompanying drawings.
As shown in fig. 1-12, the utility model provides a wallboard axial compression static test's test device, include: the wall plate test device comprises a wall plate test piece 1, a support 2, a transition base 3, a support 4, a limiting device 5, a connecting rod 6, a first joint 7, a loading lever 8, a limiting support 9, a limiting support 10, a loading device 11, a second joint 12, a stand column 13 and a cross beam 14;
the left end of the wallboard test piece is connected with a support 2, and the support 2 is connected with a force-bearing ground rail through a transition base 3 and a support 4;
the right end head of the wallboard test piece 1 is limited in the limiting device 5, the upper clamping plate and the lower clamping plate of the limiting device 5 limit the vertical direction, and the inner clamping plate and the outer clamping plate of the end limit the inner and outer sliding, so that the sliding direction of the right end head of the wallboard test piece 1 is the left and right direction;
two sides of the right end of the wallboard test piece 1 are connected with a first joint 7 through a connecting rod 6, the first joint 7 is connected with a loading device 11 through a loading lever 8, and the loading device 11 is connected with an upright column 13, a cross beam 14 and a bearing wall step by step through a second joint 12. In order to ensure the consistency of the loading force lines, the upper and lower positions of the loading lever 8 and the loading device 11 are respectively ensured by the limit pillar 9 and the limit support 10.
The first joint 7 and the second joint 12 are double-lug joints;
the length and the width of the wallboard test piece 1 are 790mm and 310mm respectively;
the wallboard test piece 1 is an aircraft typical wallboard structure formed by riveting a stringer, a skin and a frame;
the bracket 2 comprises a bottom plate, a fixing plate and an oblique reinforcing rib;
the bottom plate and the fixed plate are vertically arranged, and the oblique reinforcing ribs are connected with the bottom plate and the fixed plate;
the fixing plate is connected with the wallboard test piece 1 and used for fixing the test piece;
the bottom plate is connected with the transition base 3, the support 4 and the bearing ground rail step by step;
the limiting device 5 comprises an upper clamping plate, a lower clamping plate and an inner clamping plate and an outer clamping plate, and is used for limiting the wallboard test piece 1 up and down and inside and outside;
the loading lever 8 is used for adjusting the force line in the inner and outer directions;
the loading lever 8 is a channel steel beam;
the limiting support 9 is used for ensuring the force line of the loading lever 8 in the up-down direction;
the loading device 11 is a device integrating a force sensor and a loading actuator cylinder;
the limiting support 10 is used for ensuring a force line of the loading device 11 in the up-down direction;
the limiting support 10 is a channel steel beam;
the upright columns 13 and the cross beams 14 are channel steel.
Exemplarily, the left end of the wallboard test piece 1 is fixed on a left steel plate, the steel plate is connected with a support 2, and the support 2 is connected with a force-bearing ground rail through a transition base 3 and a support 4. The right end of the wallboard test piece 1 is fixed on the right steel plate, the steel plate is limited in the limiting device 5, the upper clamping plate and the lower clamping plate of the limiting device 5 limit the vertical direction, the inner clamping plate and the outer clamping plate of the end limit the inner and outer sliding, and the sliding direction of the right end of the wallboard test piece 1 is the left and right direction. Two sides of a steel plate at the right end of the wallboard test piece 1 are connected with a first joint 7 through a connecting rod 6, the first joint 7 is connected with a loading device 11 through a loading lever 8, and the loading device 11 is connected with an upright column 13, a cross beam 14 and a bearing wall step by step through a second joint 12. In order to ensure the consistency of the loading force lines, the upper and lower positions of the loading lever 8 and the loading device 11 are respectively ensured by the limit pillar 9 and the limit support 10.
This testing device inputs the load set value through the loading device who has force sensor control, and the load passes through loading lever 8, first joint 7, connecting rod 6 and transmits for 1 right-hand member of wallboard test piece to turn into the axle load to wallboard test piece 1, accomplish wallboard axle load stability static test.
The above embodiments are only for illustrating the technical solutions of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of various equivalent modifications or substitutions within the technical scope of the present invention, and these modifications or substitutions should be covered within the protection scope of the present invention.
Claims (6)
1. A test device for wallboard axial compression static test, characterized by comprising: the device comprises a wallboard test piece (1), a support (2), a transition base (3), a support (4), a limiting device (5), a connecting rod (6), a first joint (7), a loading lever (8), a loading device (11), a second joint (12), a stand column (13) and a cross beam (14);
the left end of the wallboard test piece (1) is connected with a support (2), and the support (2) is connected with a force-bearing ground rail through a transition base (3) and a support (4);
the right end of the wallboard test piece (1) is connected with a steel plate, the steel plate is limited in a limiting device (5), the limiting device (5) is of a square frame structure, and the steel plate slides in the square frame structure along the left-right direction;
the width of the steel plate is larger than that of the wallboard test piece (1), and two sides of the steel plate are connected with two ends of a loading lever (8) through two connecting rods (6) and two first joints (7); the length of the connecting rod (6) is greater than that of the wallboard test piece (1), and the loading lever (8) is positioned on the left side of the wallboard test piece (1); the loading lever (8) pulls the two connecting rods (6) towards the left side to drive the steel plate to pressurize the wallboard test piece (1);
the loading device (11) is fixedly connected to the bearing wall through a second joint (12), an upright post (13) and a cross beam (14); and the pressurizing end of the loading device (11) is connected with the loading lever (8), and the pressure on two sides of the wallboard test piece (1) is adjusted by adjusting the position connected to the loading lever (8).
2. The testing device for axial compression static test of wall plate according to claim 1, wherein the bracket (2) comprises a bottom plate, a fixing plate and an oblique reinforcing rib;
the bottom plate of the bracket (2) is vertical to the fixed plate, and the oblique reinforcing ribs are connected with the bottom plate and the fixed plate;
the fixing plate is connected with the left end of the wallboard test piece (1) through a steel plate and used for fixing the test piece;
the bottom plate is connected with the transition base (3), the support (4) and the bearing ground rail step by step.
3. The wallboard axial compression static test device of claim 1, wherein the square frame structure of the limiting device (5) comprises an upper clamping plate, a lower clamping plate, an inner clamping plate and an outer clamping plate, and the four clamping plates are used for limiting the wallboard test piece (1) up and down and inside and outside.
4. The panel axial compression static test apparatus of claim 1, further comprising: a limit pillar (9) and a limit support (10);
the loading lever (8) is fixed on the limit pillar (9), and the loading device (11) is fixed on the limit support (10).
5. The testing device for the axial compression static force test of the wall panel according to claim 4, wherein the loading device (11), the loading lever (8), the first joint (7) and the connecting rod (6) are positioned on the same horizontal line.
6. The wallboard axial compression static test testing apparatus of claim 1, wherein the wallboard test piece (1) has a length and a width of 790mm and 310mm respectively;
the wallboard test piece (1) comprises a stringer, a skin and a frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222638712.9U CN218726058U (en) | 2022-09-30 | 2022-09-30 | A test device for wallboard axial compression static test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222638712.9U CN218726058U (en) | 2022-09-30 | 2022-09-30 | A test device for wallboard axial compression static test |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218726058U true CN218726058U (en) | 2023-03-24 |
Family
ID=85639392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222638712.9U Active CN218726058U (en) | 2022-09-30 | 2022-09-30 | A test device for wallboard axial compression static test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218726058U (en) |
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2022
- 2022-09-30 CN CN202222638712.9U patent/CN218726058U/en active Active
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