Micro-arc reflecting surface metal insert vibration test device

Abstract

The utility model discloses a micro-arc reflecting surface metal insert vibration test device, and relates to the industrial equipment technology, the micro-arc reflecting surface metal insert vibration test device comprises a base (1), the base (1) comprises a bottom plate (38) and a side plate (37), the bottom plate (38) and the side plate (37) are arranged at a specified angle, the bottom plate (38) is used for being connected to a vibration test machine, and the side plate (37) is used for clamping a tested piece (14) based on a pressing plate (6); an opening is formed in the middle of the pressing plate (6), the shape of the opening is matched with that of the tested piece (14), and after the tested piece (14) is clamped based on the side plate (37), the tested piece (14) is led out through a connecting rod; one end of the connecting rod is connected to the measured piece (14), the other end of the connecting rod is a leading-out end, and a balancing weight (11) is arranged at the leading-out end. The test device is used for vibration test of the micro-arc reflector antenna insert so as to evaluate the performance attenuation condition of the insert under the vibration impact load.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of industrial equipment, in particular to a micro-arc reflecting surface metal inlay vibration test device. BACKGROUND

[0002] The antenna is a micro-arc reflecting surface structure functional part composed of a composite material, a honeycomb core and an inlay, has a complex structure and high profile precision, integrates electrical functions and structural bearing, and needs to have sufficient structural strength and rigidity under strong vibration service conditions to ensure stable and reliable operation of the antenna. The inlay is the main bearing structure of the whole antenna structure, and the reliability of the inlay determines the stability of the relative position of the whole antenna. In order to accurately reflect the bearing capacity of the antenna reflector, the inlay needs to be subjected to vibration test.

[0003] Chinese Patent CN 211291927 U discloses a vibration clamp, which realizes adjustment of a mounting hole position for connecting an airborne antenna by designing a sliding block in a mounting groove, and solves the vibration test requirements of various different airborne antennas. Chinese Patent CN 210375601 U discloses an antenna vibration test device, which can realize movement of a vibrator between limiting strips by increasing a sliding device at the bottom of the vibrator, and improves the universality of the antenna test device.

[0004] The structure of the test device of the existing scheme is suitable for small airborne antennas or antennas with a flat mounting surface, and is not suitable for antennas with a non-developable micro-arc surface and a Z-direction vibration stress. Utility model content

[0005] The application embodiment provides a micro-arc reflecting surface metal inlay vibration test device, which is used for micro-arc reflecting surface antenna inlay vibration test to evaluate performance attenuation of the inlay under vibration impact load.

[0006] The application embodiment provides a micro-arc reflecting surface metal inlay vibration test device, which comprises:

[0007] A base 1 comprises a bottom plate 38 arranged at a specified angle and a side plate 37, the bottom plate 38 is used for being connected to a vibration test machine, and the side plate 37 is used for realizing clamping of a measured piece 14 based on a pressing plate 6;

[0008] The pressing plate 6 is provided with an opening in the middle position, the opening is matched with the shape of the measured piece 14, and the measured piece 14 is clamped based on the side plate 37, and then is led out through a connecting rod;

[0009] The connecting rod is connected to the measured piece 14 at one end and has a leading end at the other end, and the leading end is provided with a counterweight 11.

[0010] Optionally, a reinforcing rod is fixedly connected to the bottom plate 38 and the side plate 37.

[0011] Optionally, the bottom plate 38 is provided with a threaded hole, and a screw is connected to a vibration testing machine through the threaded hole.

[0012] Optionally, the side plate 37 and the pressing plate 6 are provided with threaded holes, and a screw is used to clamp the measured piece 14 based on the pressing plate 6 and the side plate 37.

[0013] Optionally, the side plate 37 and the pressing plate 6 are provided with a plurality of threaded holes, and the plurality of threaded holes are arranged based on the outer edge of the measured piece 14.

[0014] Optionally, the connecting rod is a screw rod 13.

[0015] The device of the embodiment can be used for vibration testing of micro-arc reflector antenna inlay, and performance attenuation of the inlay under vibration impact load can be evaluated.

[0016] The above description is only a summary of the technical solutions of the application, in order to more clearly understand the technical means of the application, the specific embodiments of the application can be implemented according to the content of the specification, and in order to make the above and other purposes, characteristics and advantages of the application more obvious and easy to understand, the following specific embodiments of the application are described. BRIEF DESCRIPTION OF DRAWINGS

[0017] Various other advantages and benefits will become apparent to those of ordinary skill in the art, upon reading the following detailed description of the preferred embodiments. The accompanying drawings are included to provide a description of preferred embodiments, and are not meant to limit the present application. Furthermore, the same reference numerals are used throughout the several drawings to designate the same or similar parts. In the drawings:

[0018] Figure 1 The overall structure of the micro-arc reflector metal inlay vibration testing device is shown in the figure;

[0019] Figure 2 The exploded structure of the micro-arc reflector metal inlay vibration testing device is shown in the figure;

[0020] Figure 3 The base structure of the micro-arc reflector metal inlay vibration testing device is shown in the figure;

[0021] Figure 4 The measured piece structure of the micro-arc reflector metal inlay vibration testing device is shown in the figure. DETAILED DESCRIPTION

[0022] Exemplary embodiments of the present disclosure will be described in greater detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be thoroughly understood and fully conveyed to those skilled in the art.

[0023] To accurately reflect its anti-vibration impact capability, the anti-vibration strength of the inlaid part needs to be tested. To accurately simulate the vibration impact load that the antenna bears during service, the present embodiment provides a kind of vibration test device for micro-arc reflector metal inlaid part, as shown in Figure 1 、 Figure 2 , which comprises:

[0024] The base 1 comprises a bottom plate 38 arranged at a specified angle and a side plate 37, the bottom plate 38 is used to be connected to a vibration testing machine, and the side plate 37 is used to clamp the measured part 14 based on the pressing plate 6. In some embodiments, threaded holes are provided on the bottom plate 38 to be connected to the vibration testing machine by screws passing through the threaded holes.

[0025] As shown in Figure 2 、 3 , the bottom plate 38 has threaded holes 29-32 on its surface, and the side plate 37 has threaded holes 21-24, all of which are through holes. Screws 2, 3, 4, 5 pass through threaded holes 30, 31, 32, 29 on the bottom plate respectively, and nuts 33, 35, 36, 34 are used to fix the base on the vibration testing machine,

[0026] The pressing plate 6 has an opening in the middle position, which is matched with the shape of the measured part 14 and is led out through the connecting rod after clamping the measured part 14 based on the side plate 37. The measured part 14 is fixed on the back plate of the base through the pressing plate 6, screws 7-10 and nuts 25-28.

[0027] The connecting rod is connected to the measured part 14 at one end and has a lead-out end at the other end, and the lead-out end is provided with a counterweight 11. In some embodiments, the connecting rod is a screw rod 13. The screw rod 13 is installed on the test part 14 by screwing, and the counterweight 15 is connected to the screw rod 13 by nuts 12, 16.

[0028] The device of the present embodiment can be used for vibration test of micro-arc reflector antenna inlaid part, and the performance attenuation of the inlaid part under vibration impact load can be evaluated.

[0029] In some embodiments, a reinforcing rod is further included, which is fixedly connected on the same side of the bottom plate 38 and the side plate 37 respectively.

[0030] In some embodiments, threaded holes are provided on the side plate 37 and the pressing plate 6 to clamp the measured piece 14 by screws based on the pressing plate 6 and the side plate 37.

[0031] In some embodiments, a plurality of threaded holes are provided on the side plate 37 and the pressing plate 6, which are distributed based on the outer edge of the measured piece 14.

[0032] In a specific example, the measured piece 14 is fixed to the side plate 37 of the base through the pressing plate 6, the screws 7-10, and the nuts 25-28.

[0033] As shown in Figure 3 the pressing plate 6 has threaded holes 17-20, the screw 7 passes through the threaded hole 19 on the pressing plate, the threaded hole 21 on the side plate of the base, and is connected with the nut 25; the screw 8 passes through the threaded hole 18 on the pressing plate, the threaded hole 22 on the side plate of the base, and is connected with the nut 28; the screw 9 passes through the threaded hole 17 on the pressing plate, the threaded hole 23 on the side plate of the base, and is connected with the nut 28; the screw 10 passes through the threaded hole 20 on the pressing plate, the threaded hole 24 on the side plate of the base, and is connected with the nut 26, and the threaded holes are all through holes.

[0034] As shown in Figure 4 the measured piece 14 has a threaded hole 37 corresponding to the screw rod 13, the threaded hole 37 is a counterbore, and the screw rod 13 is connected with the measured piece in a threaded manner. The counterweight 11 has a threaded hole 15, the threaded hole 15 has an internal thread corresponding to the screw rod 13, and is a through hole, the screw rod 13 is screwed with the threaded hole 15 on the counterweight 11, and then the nuts 12 and 16 are used for fixing from the inside and the outside, and the nuts 12 and 16 all have internal threads corresponding to the screw rod 13.

[0035] The test device of the embodiment can directly test the vibration resistance of the inlaid piece by cutting the inlaid piece of the micro-arc reflector antenna, and can more accurately reflect the bearing capacity of the inlaid piece.

[0036] The test device of the application fixes the test piece by the pressing plate and the screw and nut fixing mode, and can be suitable for inlaid pieces of different honeycomb sandwich structure thicknesses by the length of the screw, while ensuring that the test piece does not displace during the test. The counterweight is used to simulate the bearing weight of the inlaid piece, and the vibration resistance of the micro-arc reflector antenna inlaid piece of different bearing weights can be tested by changing the mass of the counterweight.

[0037] It should be noted that, in the embodiments of the present application, the terms "comprising", "including", or any other variant thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that comprises a list of elements not only includes those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the element defined by the statement "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus that includes the element.

[0038] The above-mentioned sequence numbers of the embodiments of the present application are only for description, and do not represent the advantages and disadvantages of the embodiments.

[0039] The embodiments of the present application are described above in combination with the drawings, but the present application is not limited to the above-mentioned specific embodiments, and the above-mentioned specific embodiments are only illustrative, but not restrictive. Those skilled in the art can make many forms under the inspiration of the present application without departing from the scope of the present application and the scope protected by the claims.

Claims

1. A micro-arc reflector metal damascene piece vibration test device, characterized in that, Comprise: Base (1) comprising bottom plate (38) arranged at a specified angle for connecting to vibration testing machine and side plate (37) for clamping measured piece (14) based on pressing plate (6); Pressing plate (6) with opening arranged at middle position, the opening is matched with the shape of measured piece (14), and is led out by connecting rod after clamping measured piece (14) based on side plate (37); Connecting rod, one end of which is connected to measured piece (14) and the other end is leading end, and counterweight (11) is arranged on the leading end.

2. The micro-arc reflector damascene piece vibration test apparatus according to claim 1, wherein It also comprises reinforcing rod, which is fixedly connected on the same side of bottom plate (38) and side plate (37) respectively.

3. The micro-arc reflector damascene piece vibration test apparatus according to claim 1, wherein Threaded hole is arranged on bottom plate (38) to connect to vibration testing machine by screw.

4. The micro-arc reflector damascene piece vibration test apparatus according to claim 1, wherein Threaded hole is arranged on side plate (37) and pressing plate (6) to clamp measured piece (14) based on pressing plate (6) and side plate (37) by screw.

5. The micro-arc reflector damascene piece vibration test apparatus according to claim 4, wherein Multiple threaded holes are arranged on side plate (37) and pressing plate (6) and are arranged based on the distribution of the outer edge of measured piece (14).

6. The micro-arc reflector damascene piece vibration test apparatus according to claim 1, wherein The connecting rod is screw rod (13).

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