CN218381513U - Expansion mechanism of vibration table - Google Patents
Expansion mechanism of vibration table Download PDFInfo
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- CN218381513U CN218381513U CN202222708804.XU CN202222708804U CN218381513U CN 218381513 U CN218381513 U CN 218381513U CN 202222708804 U CN202222708804 U CN 202222708804U CN 218381513 U CN218381513 U CN 218381513U
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Abstract
The utility model relates to a vibration table expanding mechanism, which comprises an expanding table body for placing a test piece, an auxiliary fixing structure for fixing the test piece on the expanding table body, an auxiliary supporting structure for realizing the unbalance loading resistance aiming at the expanding table body and a base structure; the expansion table body comprises an expansion table top, an upright post for supporting the expansion table top and a plurality of reinforcing ribs connected between the upright post and the expansion table top; the auxiliary support structure includes a plurality of resilient supports connected between the base structure and the expansion stage body. The auxiliary fixing structure comprises a retaining wall, a plurality of studs and a plurality of gaskets which are arranged in one-to-one correspondence with the studs; the retaining wall is arranged around the edge of the expansion table board, the stud penetrates through the retaining wall, and the gasket is arranged at one end, located in the retaining wall, of the stud. The base structure includes a platform, a plurality of support posts supporting the platform from below the platform. The utility model discloses simple structure can well bear fixed large-scale test piece, and anti unbalance loading ability is strong, and overall stability and commonality are stronger, long service life.
Description
Technical Field
The utility model relates to a reliability test field, concretely relates to extension mechanism to vibration table design that carries out vibration test.
Background
The vibration table is a test device specially used for simulating vibration of a test piece in an actual application environment, reliability and vibration resistance of a product can be evaluated through a vibration test, and the vibration table is widely applied to various industries.
The vibration table is generally classified into a large-sized vibration table and a medium-sized and small-sized vibration table according to the size thereof. Although the vibration test technology has been developed for many years, a small and medium-sized vibration table is still difficult to test a test piece with relatively large volume, mass and gravity center deviation, and is influenced by the structure and the thrust design, so that the test result is not accurate enough, and meanwhile, if the vibration table is small in thrust and poor in unbalance loading resistance, the service life of the vibration table is seriously influenced after long-term use. If a large-scale vibration table is used, the testing time, the labor and the equipment cost are greatly increased.
The small and medium-sized vibration test bed is limited by the sizes of the vibration bed body and the vibration bed top, and the vibration test of a large-volume and large-mass test piece cannot be realized, so that in the prior art, the test of the small and medium-sized vibration test bed on the large-volume and large-mass test piece is realized by additionally arranging an expansion bed top, and the test range of the small and medium-sized vibration test bed is expanded. However, the expansion table board additionally installed at the present stage mostly adopts a solid die-casting structure, and the problems of large mass, poor unbalance loading resistance and incapability of well fixing a test piece exist, so that the vibration test precision is influenced, and the service life is also influenced.
Disclosure of Invention
The utility model aims at providing a can bear large-scale test piece, overall structure is simple, the quality is light, anti unbalance loading ability is strong, can better fixed test piece to improve the shaking table extension mechanism of vibration test reliability and precision.
In order to achieve the purpose, the utility model adopts the technical proposal that:
a vibration table expanding mechanism comprises an expanding table body for placing a test piece, an auxiliary fixing structure for fixing the test piece on the expanding table body, an auxiliary supporting structure for realizing unbalance loading resistance aiming at the expanding table body and a base structure; the auxiliary fixing structure is connected above the expansion table body, the auxiliary supporting structure is connected below the expansion table body, and the base structure is connected below the auxiliary supporting structure;
the expansion table body comprises an expansion table top, an upright post and a plurality of reinforcing ribs, wherein the upright post is used for supporting the expansion table top under the expansion table top, and the reinforcing ribs are connected between the upright post and the expansion table top;
the auxiliary support structure includes a plurality of resilient supports connected between the base structure and the extended stage body.
The upright column is a polygon prism or a cylinder, and the axis of the upright column is perpendicular to the expansion table top.
The reinforcing ribs are of hollow polygonal prism structures.
The expansion table surface is a regular polygon.
The axis of the elastic supporting piece and the expansion table surface form an obtuse included angle.
The elastic supporting piece is an air spring.
The auxiliary fixing structure comprises a retaining wall, a plurality of studs and a plurality of gaskets which are arranged in one-to-one correspondence with the studs; the barricade is in the top of extension mesa is encircleed the edge setting of extension mesa, the double-screw bolt is worn to establish through the screw thread on the barricade, the gasket sets up the double-screw bolt is located one end in the barricade.
The axis of the stud is parallel to the radial direction of the expansion table top, and the axis of the stud is perpendicular to the gasket.
The base structure comprises a platform and a plurality of supporting columns, the supporting columns are used for supporting the platform below the platform, the elastic supporting pieces are arranged above the platform and connected with the platform, and the axes of the supporting columns are perpendicular to the platform.
The platform is annular.
The center of the connecting surface of the elastic support and the platform is positioned on the axis of the support column.
Because of the application of the technical scheme, compared with the prior art, the utility model has the following advantages: the utility model discloses the structure is simple relatively, can bear large-scale test piece and well fix the back and test, and anti unbalance loading ability is strong for the vibration test data is more reliable, and overall stability and commonality are stronger, long service life.
Drawings
Fig. 1 is a schematic three-dimensional structure diagram of the expanding mechanism of the vibrating table of the present invention.
Fig. 2 is a schematic view of the structure of the vibrating table expanding mechanism of the present invention.
Fig. 3 is a schematic view of the overlooking structure of the expanding mechanism of the vibrating table of the present invention.
Fig. 4 is a schematic view of the structure of the vibrating table expanding mechanism of the present invention viewed from above.
In the drawings above: 1. expanding the table top; 2. a stud; 3. retaining walls; 4. an air spring; 5. a support pillar; 6. a platform; 7. reinforcing ribs; 8. a gasket; 9. an extension stage body; 10. an auxiliary fixing structure; 11. an auxiliary support structure; 12. a base structure; 13. and (4) a column.
Detailed Description
The invention will be further described with reference to examples of embodiments shown in the drawings.
The first embodiment is as follows: as shown in fig. 1 to 4, an expanding mechanism of a vibration table includes an expanding table body 9, an auxiliary fixing structure 10, an auxiliary supporting structure 11 and a base structure 12. Auxiliary fixed knot constructs 10 and connects in extension stage body 9 top, and auxiliary support structure 11 connects in extension stage body 9 below, and base structure 12 connects in auxiliary support structure 11 below.
The expanding table body 9 is used for placing a test piece and comprises an expanding table surface 1, a stand column 13 and a plurality of reinforcing ribs 7. The extended table top 1 is generally horizontally disposed with an upper surface and a lower surface. The shape of the expansion table top 1 can be regular polygon, circular and the like according to the shape of the test piece, and the expansion table top 1 is regular hexagon in the embodiment. The upright column 13 is arranged below the expansion table top 1, the expansion table top 1 is supported by the lower part of the expansion table top 1, and the upper end of the upright column 13 is connected with the lower surface of the expansion table top 1. The axis of the upright column 13 is perpendicular to the expansion table top 1, and the center of the expansion table top 1 is located on the axis of the upright column 13, so that the upright column 13 forms a central column in the center of the expansion table top 1. The column 13 is in the shape of a polygon prism or a cylinder, and in the present embodiment, the column 13 is a hexagonal prism. The reinforcing rib 7 is connected between the upright column 13 and the expansion table board 1, namely one end of the reinforcing rib 7 is connected with the lower surface of the expansion table board 1, and the other end is connected with the outer peripheral surface of the lower end of the upright column 13. A plurality of strengthening ribs 7 encircle stand 13 and set up and evenly distributed, and strengthening rib 7 can adopt hollow polygon prism structure.
The auxiliary fixing structure 10 is used for fixing the test piece on the expansion table body 9, and includes a retaining wall 3, a plurality of studs 2 and a plurality of gaskets 8, wherein the studs 2 and the gaskets 8 are arranged in a one-to-one correspondence manner. The retaining wall 3 is arranged above the extended table top 1 and connected with the upper surface of the extended table top 1, the retaining wall 3 is arranged around the edge of the extended table top 1, the wall surface of the retaining wall 3 is not coplanar with the upper surface of the extended table top 1, and the current wall surface can be generally arranged to be perpendicular to the upper surface of the extended table top 1, so that the extended table top 1 is surrounded in the inner space by the retaining wall 3. The studs 2 are threaded through the retaining wall 3, namely the middle of the studs passes through screw holes in the retaining wall 3 and is in threaded fit with the screw holes, one end of the studs is positioned in the retaining wall 3, the other end of the studs is positioned outside the retaining wall 3, the axis of the studs 2 is parallel to the radial direction of the expansion table board 1, and the studs 2 are uniformly distributed. The gasket 8 is made of rubber and is arranged at one end of the stud 2 in the retaining wall 3, and the axis of the stud 2 is perpendicular to the gasket 8.
The auxiliary supporting structure 11 is disposed below the extension table top 1, and is used for resisting the offset load of the extension table body 9, and includes a plurality of elastic supporting members, the elastic supporting members are connected between the base structure 12 and the extension table body 9, that is, the upper ends of the elastic supporting members are connected to the edge of the lower surface of the extension table top 1, and the lower ends are connected to the base structure 12. The elastic supporting piece is obliquely arranged, namely the axis of the elastic supporting piece forms an obtuse included angle with the lower surface of the expansion table board 1, the axial projection of the elastic supporting piece on the expansion table board 1 is arranged along the radial direction of the expansion table board 1, and the lower end of the elastic supporting piece radiates outside the expansion table board 1 relative to the upper end. The elastic support member is an air spring 4, and the axial direction of the air spring is the stretching direction of the air spring. In this embodiment, three air springs 4 are provided. By rotating the stud 2, the sample placed on the extended table-board 1 can be fixed.
The expansion mechanism of the scheme is suitable for small and medium-sized vibration tables, the expansion table body 9 is different from the existing solid die-casting structure, the mass of the expansion table body 9 is reduced while the expansion table body 9 has enough strength and bearing capacity by using the reinforcing ribs 7, the whole body is relatively simple, and a test piece with relatively large volume and mass can be supported; the auxiliary supporting structure 11 enables the expansion platform body 9 to have strong anti-unbalance loading capability; the auxiliary fixing structure 10 enables a test piece arranged on the expansion table board 1 to be well fixed, avoids displacement of the test piece in the test process, enables test data results to be more reliable, is high in overall stability, prolongs the service life of the vibrating table, is high in universality and saves overall test cost.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose of the embodiments is to enable people skilled in the art to understand the contents of the present invention and to implement the present invention, which cannot limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a shaking table extension mechanism which characterized in that: the vibration table expanding mechanism comprises an expanding table body for placing a test piece, an auxiliary fixing structure for fixing the test piece on the expanding table body, an auxiliary supporting structure for realizing the unbalance loading resistance aiming at the expanding table body and a base structure; the auxiliary fixing structure is connected above the expansion table body, the auxiliary supporting structure is connected below the expansion table body, and the base structure is connected below the auxiliary supporting structure;
the expansion table body comprises an expansion table top, an upright post and a plurality of reinforcing ribs, wherein the upright post is used for supporting the expansion table top under the expansion table top, and the reinforcing ribs are connected between the upright post and the expansion table top;
the auxiliary support structure includes a plurality of resilient supports connected between the base structure and the extended stage body.
2. The vibration table extension mechanism of claim 1, wherein: the upright column is a polygon prism or a cylinder, and the axis of the upright column is perpendicular to the expansion table top.
3. The vibration table extension mechanism of claim 1, wherein: the reinforcing ribs are of a hollow polygonal prism structure.
4. The vibration table extension mechanism of claim 1, wherein: the expansion table surface is a regular polygon.
5. The vibration table extension mechanism of claim 1, wherein: the axis of the elastic supporting piece and the expansion table top form an obtuse included angle.
6. The vibration table expansion mechanism of claim 1, wherein: the elastic supporting piece is an air spring.
7. The vibration table expansion mechanism of claim 1, wherein: the auxiliary fixing structure comprises a retaining wall, a plurality of studs and a plurality of gaskets which are arranged in one-to-one correspondence with the studs; the barricade is in the top of extension mesa is encircleed the edge setting of extension mesa, the double-screw bolt is worn to establish through the screw thread on the barricade, the gasket sets up the double-screw bolt is located one end in the barricade.
8. The vibration table expansion mechanism of claim 7, wherein: the axis of the stud is parallel to the radial direction of the expansion table top, and the axis of the stud is perpendicular to the gasket.
9. The vibration table extension mechanism of claim 1, wherein: the base structure comprises a platform and a plurality of supporting columns, the supporting columns are used for supporting the platform below the platform, the elastic supporting pieces are arranged above the platform and connected with the platform, and the axes of the supporting columns are perpendicular to the platform.
10. The vibration table extension mechanism of claim 9, wherein: the platform is annular, and the center of the connecting surface of the elastic supporting piece and the platform is positioned on the axis of the supporting column.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222708804.XU CN218381513U (en) | 2022-10-14 | 2022-10-14 | Expansion mechanism of vibration table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222708804.XU CN218381513U (en) | 2022-10-14 | 2022-10-14 | Expansion mechanism of vibration table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218381513U true CN218381513U (en) | 2023-01-24 |
Family
ID=84930624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222708804.XU Active CN218381513U (en) | 2022-10-14 | 2022-10-14 | Expansion mechanism of vibration table |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218381513U (en) |
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2022
- 2022-10-14 CN CN202222708804.XU patent/CN218381513U/en active Active
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