CN210533652U - Leading edge flap vibration fatigue test system - Google Patents
Leading edge flap vibration fatigue test system Download PDFInfo
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- CN210533652U CN210533652U CN201921990305.6U CN201921990305U CN210533652U CN 210533652 U CN210533652 U CN 210533652U CN 201921990305 U CN201921990305 U CN 201921990305U CN 210533652 U CN210533652 U CN 210533652U
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Abstract
The application belongs to the field of structural strength test device design, and particularly relates to a leading edge flap vibration fatigue test system which comprises a vertical vibration test device and a lateral vibration test device; wherein, vertical vibration test device includes: the two first vibrating tables are arranged in parallel and horizontally and are matched to be coaxial, equidirectional and same in height; the clamp is used for arranging the leading edge flaps to be detected on the table tops of the two first vibrating tables simultaneously and uniformly; the controller is used for simultaneously controlling the two first vibrating tables; the lateral vibration test device includes: a second vibration table and a support; one end of the clamp is arranged on the table top of the second vibration table, and the other end of the clamp is horizontally supported through the supporting piece. The utility model provides a leading edge flap vibration fatigue test system satisfies the demand that vertical vibration test of special construction test piece and lateral vibration test go on in turn well, and can effectively reduce the design weight of experimental anchor clamps, can also fully consider the feasibility of experimental implementation.
Description
Technical Field
The application belongs to the field of structural strength test device design, and particularly relates to a leading edge flap vibration fatigue test system.
Background
The vibration endurance test (namely the vibration fatigue test) can be used for checking the vibration resistance and structural integrity of the test piece and exposing the vibration damage mode and weak links of the structure. Therefore, in the fields of aviation, aerospace and other mechanical manufacturing, vibration endurance testing is an essential step for important force bearing parts.
However, in the existing vibration endurance test device, due to the limitation of the width of the test bed table and the size of the adaptive test fixture, the accuracy of the test result cannot be guaranteed or even the test cannot be completed when aiming at some large-scale test pieces. Taking a honeycomb sandwich structure antenna co-curing leading edge flap on an airplane as an example, the length of the leading edge flap is about 4.5 meters, but the maximum supporting width of a table top of an 18t test bed with the maximum table top width is only 1.5 meters, and even if the leading edge flap can be installed on the table top of the test bed through a corresponding clamp, the accuracy of a final test result is caused by factors such as vibration transmission distortion and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve at least one of the above technical problems, the present application provides a leading edge flap vibration fatigue test system.
The application discloses a leading edge flap vibration fatigue test system which comprises a vertical vibration test device and a lateral vibration test device; wherein
The vertical vibration test device includes:
the two first vibrating tables are arranged on the same horizontal mounting surface in parallel, a preset distance is reserved between the two first vibrating tables, and the two first vibrating tables are configured to be coaxial, equidirectional and same in height;
the length of the clamp is matched with that of the leading edge flap to be detected, and the clamp is used for fixing the leading edge flap to be detected on the table tops of the two first vibrating tables simultaneously and uniformly;
the controller is respectively connected with the two first vibrating tables and is used for controlling the two first vibrating tables simultaneously;
the lateral vibration test device includes:
the second vibration table is fixed on the horizontal mounting surface;
the supporting piece is vertically arranged on the horizontal mounting surface; wherein
The clamp is provided with the leading edge flap to be detected, one end of the clamp is fixedly arranged on the table board of the second vibrating table, the other end of the clamp is horizontally supported through the top end of the supporting piece, and the supporting piece can horizontally move in the length direction of the clamp.
According to at least one embodiment of the present application, the controller is an SD controller.
According to at least one embodiment of the present application, the support comprises:
a support plate;
the supporting rod is vertically and fixedly arranged on the supporting plate;
the fixing part is fixedly arranged at the top end of the supporting rod and is provided with a dovetail groove with an upward opening;
the top of the movable connecting part is fixedly connected with the clamp, and the bottom of the movable connecting part is provided with a dovetail rail matched with the dovetail groove.
The application has at least the following beneficial technical effects:
the utility model provides a leading edge flap vibration fatigue test system, the demand that vertical vibration test of special construction testpieces and lateral vibration test go on in turn can be fine satisfied, and can effectively reduce the design weight of experimental anchor clamps, can also fully consider the feasibility of experimental implementation.
Drawings
FIG. 1 is a schematic structural diagram of a vertical vibration testing device in a leading edge flap vibration fatigue testing system of the present application;
FIG. 2 is a schematic structural diagram of a lateral vibration testing device in the leading edge flap vibration fatigue testing system of the present application;
FIG. 3 is a schematic structural view of a support rod portion in the leading edge flap vibration fatigue testing system of the present application;
FIG. 4 is a schematic structural view of an active connection portion in the leading edge flap vibration fatigue test system of the present application.
Detailed Description
In order to make the implementation objects, technical solutions and advantages of the present application clearer, the technical solutions in the embodiments of the present application will be described in more detail below with reference to the drawings in the embodiments of the present application. In the drawings, the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The described embodiments are a subset of the embodiments in the present application and not all embodiments in the present application. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present application and should not be construed as limiting the present application. 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 application. Embodiments of the present application will be described in detail below with reference to the accompanying drawings.
In the description of the present application, it is to be understood that the terms "central," "longitudinal," "lateral," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like may be referred to herein based on the orientation or positional relationship shown in the drawings for ease of description and simplicity of description, but do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be considered limiting of the scope of the present application.
The leading edge flap vibration fatigue test system of the present application is described in further detail below with reference to fig. 1-4.
The application discloses leading edge flap vibration fatigue test system, including vertical vibration test device and lateral vibration test device.
Specifically, as shown in fig. 1, the vertical vibration testing apparatus may include a first vibration table 2, a clamp 3, a controller, and other apparatuses and devices.
Wherein, the number of the first vibration tables 2 is two; the two first vibration tables 2 are arranged in parallel on the same horizontal installation surface (such as the laboratory ground) and have a preset distance; moreover, the two first vibrating tables 2 are configured to be coaxial, equidirectional and same-height. Further, in this embodiment, the coaxiality, the same direction, and the same height of the dual vibration tables can be ensured through the currently known MIMO random vibration test.
The clamp 3 can be suitably arranged according to the shape and structure of the leading edge flap 1 to be detected, and the fixed clamping mode between the included angle and the leading edge flap 1 to be detected can adopt the conventional method at present, which is not described again here; specifically, the length of the clamp 3 needs to be adapted to the length of the leading edge flap 1 to be tested, so as to be used for simultaneously and uniformly fixing the leading edge flap 1 to be tested on the table top of the two first vibration tables 2, that is, to ensure that the weight of the integral component formed by the leading edge flap to be tested and the clamp 3 is completely and uniformly distributed on the table top of the two first vibration tables 2.
The controller is respectively connected with the two first vibration tables 2 and is used for simultaneously controlling the two first vibration tables 2; in this embodiment, an SD controller is preferably used to further improve the accuracy of the synchronization control.
Specifically, as shown in fig. 2, the lateral vibration testing apparatus may include devices and apparatuses such as a second vibration table 4, a jig 3, and a support 5.
Wherein, the number of the second vibration tables 4 is one, and the second vibration tables are fixed on a horizontal installation surface; it should be noted that, the vertical vibration test and the lateral vibration test for the same test piece are usually performed separately, and therefore, the second vibration table 4 may be a vibration table independently installed with respect to the two first vibration tables 2, or may be selected as one of the two first vibration tables 2. Further, in the present embodiment, it is preferable that each of the oscillating tables is a currently known 18t oscillating table.
The support piece 5 is vertically arranged on the horizontal mounting surface; wherein, one end of the clamp 3 holding the leading edge flap 1 to be measured is fixedly arranged on the table top of the second vibration table 4, the other end of the clamp 3 (i.e. the part exceeding the table top of the vibration table) is horizontally supported by the top end of the support part 5, and the support part 5 can horizontally move along the length direction of the clamp 3.
Further, the supporting member 5 may be provided in various suitable structures as needed, and in the present embodiment, as shown in fig. 3 to 4, it is preferable that the supporting member 5 includes a supporting plate 51, a supporting rod 52, a fixing portion 53, and a movable connecting portion 55.
The support plate 51 is horizontally arranged on the horizontal mounting surface; the end of the support rod 52 is vertically and fixedly arranged on the support plate 51; the fixing part 53 is fixedly arranged at the top end of the support rod 52 and is provided with a dovetail groove 54 with an upward opening; the top of the movable connecting part 55 is used for being fixedly connected with the clamp 3, and the bottom of the movable connecting part is provided with a dovetail rail 56 matched with the dovetail groove 54; the movable connecting portion 55 is engaged with the dovetail groove 54 of the fixing portion 53 via the dovetail rail 56 to realize relative sliding, thereby realizing horizontal support of different positions of the jig 3.
In the leading edge flap vibration fatigue test system, when a vertical vibration test is carried out, the conventional single-vibration-table excitation is abandoned, and two 18t first vibration tables 2 in a test room are adopted for carrying out vertical vibration double-table parallel excitation; in the lateral vibration test, the vibration direction is parallel to the length direction of the test piece, the problems of uneven response of each point of the test piece and unbalanced displacement distribution do not exist, so that the scheme of adopting a single second vibration table 4 and assisting the support piece 5 is adopted, and the support piece 5 provides the support effect of the test piece exceeding the table surface of the vibration table.
The utility model provides a leading edge flap vibration fatigue test system, the demand that vertical vibration test of special construction testpieces and lateral vibration test go on in turn can be fine satisfied, and can effectively reduce the design weight of experimental anchor clamps, can also fully consider the feasibility of experimental implementation.
The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present application should be covered within the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (3)
1. A leading edge flap vibration fatigue test system is characterized by comprising a vertical vibration test device and a lateral vibration test device; wherein
The vertical vibration test device includes:
the two first vibrating tables (2) are arranged on the same horizontal mounting surface in parallel, a preset distance is reserved between the two first vibrating tables (2), and the two first vibrating tables (2) are configured to be coaxial, equidirectional and same in height;
the length of the clamp (3) is matched with that of the leading edge flap (1) to be tested, and the clamp is used for simultaneously and uniformly fixing the leading edge flap (1) to be tested on the table tops of the two first vibrating tables (2);
the controller is respectively connected with the two first vibrating tables (2) and is used for controlling the two first vibrating tables (2) at the same time;
the lateral vibration test device includes:
a second vibration table (4) fixed on the horizontal mounting surface;
a support (5) vertically arranged on the horizontal mounting surface; wherein
The centre gripping has leading edge flap (1) that awaits measuring the one end of anchor clamps (3) is fixed to be set up on the mesa of second shaking table (4), the other end of anchor clamps (3) passes through the top of support piece (5) carries out horizontal support, just support piece (5) can be followed anchor clamps (3) length direction horizontal migration.
2. The leading edge flap vibration fatigue testing system of claim 1, wherein the controller is an SD controller.
3. Leading edge flap vibration fatigue testing system according to claim 1, characterized in that the support (5) comprises:
a support plate (51);
the supporting rod (52) is vertically and fixedly arranged on the supporting plate (51);
the fixing part (53) is fixedly arranged at the top end of the supporting rod (52) and is provided with a dovetail groove (54) with an upward opening;
the top of the movable connecting part (55) is fixedly connected with the clamp (3), and the bottom of the movable connecting part is provided with a dovetail rail (56) matched with the dovetail groove (54).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990305.6U CN210533652U (en) | 2019-11-18 | 2019-11-18 | Leading edge flap vibration fatigue test system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921990305.6U CN210533652U (en) | 2019-11-18 | 2019-11-18 | Leading edge flap vibration fatigue test system |
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| CN210533652U true CN210533652U (en) | 2020-05-15 |
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| CN201921990305.6U Active CN210533652U (en) | 2019-11-18 | 2019-11-18 | Leading edge flap vibration fatigue test system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046782A (en) * | 2022-08-16 | 2022-09-13 | 西南交通大学 | Vibration test device |
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2019
- 2019-11-18 CN CN201921990305.6U patent/CN210533652U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115046782A (en) * | 2022-08-16 | 2022-09-13 | 西南交通大学 | Vibration test device |
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