CN113203538B - Device for inhibiting vibration of mirror image supporting rod - Google Patents
Device for inhibiting vibration of mirror image supporting rod Download PDFInfo
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- CN113203538B CN113203538B CN202110569407.6A CN202110569407A CN113203538B CN 113203538 B CN113203538 B CN 113203538B CN 202110569407 A CN202110569407 A CN 202110569407A CN 113203538 B CN113203538 B CN 113203538B
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- direction moving
- guide rail
- mirror image
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- moving sliders
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M9/00—Aerodynamic testing; Arrangements in or on wind tunnels
- G01M9/02—Wind tunnels
- G01M9/04—Details
Abstract
The invention discloses a device for inhibiting vibration of a mirror image support rod, which comprises two guide rail bases, two sets of X-direction moving sliders, a set of Y-direction moving sliders and a mirror image support rod connecting piece, wherein the positions of the two sets of X-direction moving sliders on the guide rail bases correspond to each other and can synchronously slide along the extension direction of the guide rail bases, the Y-direction moving sliders are connected onto the two sets of X-direction moving sliders in a sliding manner and can slide along the Y direction on the X-direction moving sliders, the middle parts of the Y-direction moving sliders are connected with the mirror image support rod connecting piece through ball bearings, electro-permanent magnets are fixedly connected under the Y-direction moving sliders, the magnetism of the electro-permanent magnets is controlled, the Y-direction moving sliders can be adsorbed onto the guide rail bases, the X-direction moving sliders are further fixed onto the guide rail bases, and the fixing of the X-direction moving sliders and the Y-direction moving sliders at any position on the guide rail bases is realized, thereby suppressing vibration of the mirror image strut. The invention reduces the vibration of the mirror image support rod, can ensure the test safety and has reliable test results.
Description
Technical Field
The invention relates to a device for inhibiting vibration of a mirror image supporting rod.
Background
When the single-strut supporting test is used for a support interference test, the mirror image strut can generate large vibration in the wind tunnel, so that a dangerous condition is easily generated, and meanwhile, the large vibration is easily collided with a model, so that the result of data acquisition of the balance is influenced, and the test result is greatly influenced.
Disclosure of Invention
Based on the defects, the invention aims to provide the device for inhibiting the vibration of the mirror image support rod, which solves the problems in the prior art, reduces the vibration of the mirror image support rod, can ensure the test safety and has reliable test results.
The technical scheme adopted by the invention is as follows: a device for inhibiting vibration of a mirror image supporting rod comprises two guide rail bases, two sets of X-direction moving sliding blocks, a set of Y-direction moving sliding blocks and a mirror image supporting rod connecting piece, wherein the two guide rail bases are arranged outside the upper wall surface of a wind tunnel in parallel, each guide rail base is connected with the X-direction moving sliding blocks in a sliding manner, the positions of the two sets of X-direction moving sliding blocks on the guide rail bases correspond to each other and can synchronously slide along the extension direction of the guide rail bases, the Y-direction moving sliding blocks are connected on the upper surfaces of the two sets of X-direction moving sliding blocks in a sliding manner, the Y-direction moving sliding blocks can slide on the upper surfaces of the X-direction moving sliding blocks in a Y direction, the middle parts of the Y-direction moving sliding blocks are connected with the mirror image supporting rod connecting piece through ball bearings, the lower ends of the mirror image supporting rod connecting piece are fixedly connected with the mirror image supporting rod, the lower surfaces of the Y-direction moving sliding blocks are fixedly connected with electro-permanent magnets, and the Y-direction moving sliding blocks can be adsorbed on the guide rail bases by controlling the magnetism of the electro-permanent magnets, and then the X-direction moving slide block is also fixed on the guide rail base, so that the X-direction moving slide block and the Y-direction moving slide block are fixed at any position on the guide rail base, and the vibration of the mirror image support rod is restrained.
The invention also has the following technical characteristics:
1. the upper plane of each guide rail base is provided with two guide rails in parallel along the extension direction, a bulge is arranged between the two guide rails, a set of X-direction moving slide blocks is arranged on the two guide rails of each guide rail base, each set of X-direction moving slide block comprises a rectangular platform with a hollow middle part, four sets of guide wheels are respectively arranged on two sides of the bottom surface of the platform, two sets of guide wheels on each side are arranged on corresponding side guide rails, two sets of Y-direction parallel universal ball seats are arranged on the upper planes of the two sets of X-direction moving slide block platforms according to the same position, universal balls are arranged on the universal ball seats, the Y-direction moving slide blocks are rectangular, two side walls of the Y-direction moving slide blocks are correspondingly provided with sliding grooves, and the two sets of X-direction moving slide blocks are connected with the side walls of the Y-direction moving slide blocks through the universal balls in a sliding manner, so that the Y-direction moving slide blocks slide in the Y direction; the Y is to the corresponding position difference fixedly connected with two sets of electric permanent magnets of the fretwork of the platform of motion slider lower plane and X, the magnetism of electric permanent magnet can be with Y to motion slider fixed absorption on the arch of guide rail base, and then make X also fix on the guide rail base to the motion slider.
2. A spring is arranged between the guide wheel and the bottom surface of the platform.
The invention has the advantages and beneficial effects that: the X-direction moving slide block and the Y-direction moving slide block which are used for fixing the device can be fixed at any position, the electro-permanent magnet is in a power-off state, the electro-permanent magnet generates magnetic force for fixing, the phenomenon that the balance inside the wind tunnel test generates electromagnetic interference is avoided, and test data are not influenced. In addition, by the aid of the device, vibration of the mirror image support rod is effectively restrained, dangerousness in the experimental process is reduced, and test data errors caused by collision of the mirror image support rod and a test model are avoided.
Drawings
FIG. 1 is a two-dimensional front view of a mirror image strut vibration suppression apparatus according to an embodiment of the present invention;
FIG. 2 is a two-dimensional side view of a mirror image strut vibration suppression apparatus according to an embodiment of the present invention;
FIG. 3 is a two-dimensional top view of a mirror image suppressing strut vibration device according to an embodiment of the present invention.
Detailed Description
The invention is further illustrated by way of example in the accompanying drawings of the specification:
example 1
As shown in fig. 1-3, a device for suppressing vibration of a mirror image strut comprises two guide rail bases 1, two sets of X-direction moving sliders 4, a set of Y-direction moving sliders 10 and a mirror image strut connecting piece 6, wherein the two guide rail bases 1 are arranged outside an upper wall surface 1-1 of a wind tunnel in parallel, two guide rails 7 are arranged on an upper plane of each guide rail base 1 in parallel along an extending direction, a protrusion is arranged between the two guide rails 7, a set of X-direction moving sliders 4 is arranged on the two guide rails 7 of each guide rail base 1, the two sets of X-direction moving sliders 4 correspond to each other in position on the guide rail bases 1 and can synchronously slide along the extending direction of the guide rail bases 1, each set of X-direction moving sliders 4 comprises a rectangular platform 9 with a hollow middle part, four sets of guide wheels 2 are respectively arranged on two sides of the bottom surface of the platform 9, two sets of guide wheels 2 on each side are arranged on the corresponding side guide rails 7, the height of the platform 9 has certain displacement adjustment amount, two sets of Y-direction-extending mutually parallel universal ball seats 4-1 are arranged on the upper planes of the platform 9 of the two sets of X-direction movement sliding blocks 4 according to the same position, universal balls 11 are arranged on the universal ball seats, the Y-direction movement sliding blocks 10 are rectangular, sliding grooves are correspondingly formed in the two side walls of the Y-direction movement sliding blocks, the two sets of X-direction movement sliding blocks 4 are connected with the side walls of the Y-direction movement sliding blocks 10 in a sliding mode through eight sets of universal balls, so that the Y-direction movement sliding blocks 10 slide in the Y direction, the middle of the Y-direction movement sliding blocks 10 is connected with a mirror image strut connecting piece 6 through a ball bearing 5, and the lower end of the mirror image strut connecting piece 6 is fixedly connected with a mirror image strut 6-1; y is to the plane under the motion slider 10 and two sets X is to the corresponding position difference fixedly connected with two sets of electro-permanent magnet 8 of fretwork of platform 9 of motion slider 4, the magnetism of electro-permanent magnet 8 can be with every group Y to the motion slider fixed absorption on the arch of guide rail base, and then fix X on the guide rail base to motion slider 4, through the magnetism of control electro-permanent magnet, realize X to motion slider and Y to the fixed of motion slider optional position on the guide rail base to restrain the vibration of mirror image fulcrum bar.
Claims (3)
1. The utility model provides a restrain device of mirror image branch vibration, includes two guide rail bases, two sets of X to the motion slider, one set of Y to motion slider and mirror image branch connecting piece, its characterized in that: the two guide rail bases are arranged outside the upper wall surface of the wind tunnel in parallel, the upper plane of each guide rail base is provided with two guide rails in parallel along the extending direction, a bulge is arranged between the two guide rails, a set of X-direction moving sliding blocks are arranged on the two guide rails of each guide rail base, the positions of the two sets of X-direction moving sliding blocks on the guide rail bases correspond to each other and can synchronously slide along the extending direction of the guide rail bases, each set of X-direction moving sliding block comprises a rectangular platform with a hollow middle part, the upper planes of the two sets of X-direction moving sliding block platforms are provided with two sets of universal ball seats which are parallel to each other along the Y direction according to the same position, universal balls are arranged on the universal ball seats, the Y-direction moving sliding blocks are rectangular, the two side walls of the Y-direction moving sliding blocks are also provided with sliding grooves correspondingly, and the two sets of X-direction moving sliding blocks are connected with the side walls of the Y-direction moving sliding blocks through the universal balls in a sliding manner, so that the Y-direction moving sliding of the Y-direction moving sliding blocks can slide in the Y direction, the middle of the Y-direction moving sliding block is connected with a mirror image strut connecting piece through a ball bearing, and the lower end of the mirror image strut connecting piece is fixedly connected with a mirror image strut; the lower plane of the Y-direction moving slide block and the position of the platform of the X-direction moving slide block, which corresponds to the hollow-out position, are respectively and fixedly connected with two groups of electro-permanent magnets, and the magnetism of the electro-permanent magnets can fixedly adsorb the Y-direction moving slide block on the bulge of the guide rail base, so that the X-direction moving slide block is also fixed on the guide rail base; the fixing of the X-direction moving slide block and the Y-direction moving slide block at any position on the guide rail base is realized by controlling the magnetism of the electro-permanent magnet, so that the vibration of the mirror image support rod is inhibited.
2. The mirror image strut vibration dampening device of claim 1, wherein: four sets of guide wheels are installed on two sides of the bottom surface of the platform, and two sets of guide wheels on each side are installed on corresponding side guide rails.
3. An apparatus for suppressing vibration of a mirror image strut according to claim 2, wherein: and a spring is arranged between the guide wheel and the bottom surface of the platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110569407.6A CN113203538B (en) | 2021-05-25 | 2021-05-25 | Device for inhibiting vibration of mirror image supporting rod |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110569407.6A CN113203538B (en) | 2021-05-25 | 2021-05-25 | Device for inhibiting vibration of mirror image supporting rod |
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| CN113203538A CN113203538A (en) | 2021-08-03 |
| CN113203538B true CN113203538B (en) | 2022-09-13 |
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