CN110779673A - Auxiliary supporting mechanism of vertical vibration extension table board - Google Patents
Auxiliary supporting mechanism of vertical vibration extension table board Download PDFInfo
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- CN110779673A CN110779673A CN201911220534.4A CN201911220534A CN110779673A CN 110779673 A CN110779673 A CN 110779673A CN 201911220534 A CN201911220534 A CN 201911220534A CN 110779673 A CN110779673 A CN 110779673A
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- bottom plate
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- vertical vibration
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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
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
- G01M7/04—Monodirectional test stands
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Abstract
The invention discloses an auxiliary supporting mechanism of a vertical vibration extension table board, which comprises: the vertical vibration expansion table comprises a vertical bottom plate and a vertical vibration expansion table top supported in the vertical bottom plate, wherein an auxiliary supporting device is connected below the vertical bottom plate, and the auxiliary supporting device and the vertical bottom plate are matched with each other to be used for supporting the vertical vibration expansion table top and can drive the vertical bottom plate and the vertical vibration expansion table top to lift and move. Through the mode, the auxiliary supporting device with the lifting and moving functions is integrally arranged below the vertical bottom plate, so that the vertical vibration expansion table top can be further supported, and the vertical bottom plate can be omitted from being disassembled firstly when the vertical vibration expansion table top needs to be disassembled, so that the vertical vibration expansion table top can be disassembled and removed quickly, the disassembling time is shortened, and the disassembling labor amount is reduced.
Description
Technical Field
The invention relates to the field of composite mechanical environment test equipment, in particular to an auxiliary supporting mechanism for a vertical vibration expansion table board.
Background
The temperature and humidity vibration test equipment provides a temperature and humidity change environment for scientific research and production units such as aerospace, aviation, military products, petroleum, chemical engineering, electronics, communication and the like, and simultaneously can apply vibration stress to a test piece in a test box according to a specified period, so that a user can perform a temperature and humidity and vibration comprehensive stress screening test on the test piece, and the adaptability of the test piece can be examined or the performance of the test piece can be evaluated. The main components of the device comprise: humiture environment case and vibration test platform.
As shown in fig. 1, in the existing temperature and humidity vibration test equipment, a temperature and humidity environment box is arranged above the equipment, and a vibration test bed is arranged below the equipment; wherein temperature and humidity environment case includes the box and is located the perpendicular bottom plate of bottom half, and the vibration test bench includes the shaking table host computer and is located the perpendicular vibration extension mesa of shaking table host computer top, perpendicular vibration extension mesa is located the box to by perpendicular bottom plate auxiliary stay. But in the in-service use in-process discovery, when the vibration test bench need switch over the station, if when switching over the vertical vibration station into horizontal vibration station, need dismantle vertical vibration extension mesa, but it is loaded down with trivial details especially to dismantle vertical vibration extension mesa, needs to carry out 4 steps of operations at least: 1. removing the box body; 2. disassembling the vertical bottom plate block by block to separate the vertical bottom plate from the vertical vibration expansion table top; 3. the fixed connection between the vertical vibration expansion table top and the movable coil table top is released; and 4, hoisting and moving out the vertical vibration expansion table top by using hoisting equipment. Because the perpendicular bottom plate generally comprises 4 bottom plates with bottom opening face matched with of box, so dismantle the process of perpendicular bottom plate loaded down with trivial details for the shaking table is consuming time when carrying out the vibration station and switching, and it is also harder to adopt the loop wheel machine hoist and mount extension mesa.
Disclosure of Invention
The invention mainly solves the technical problem of providing an auxiliary supporting mechanism of a vertical vibration expansion table top, wherein an auxiliary supporting device with lifting and moving functions is integrally arranged below a vertical bottom plate, so that the vertical vibration expansion table top can be further supported on one hand, and on the other hand, when the vertical vibration expansion table top needs to be disassembled, the vertical bottom plate can be not required to be disassembled first, so that the vertical vibration expansion table top can be disassembled and removed quickly, the disassembling time is shortened, and the disassembling labor amount is reduced.
In order to solve the technical problems, the invention adopts a technical scheme that: an auxiliary supporting mechanism for a vertical vibration extension table is provided, which comprises: the vertical vibration expansion table comprises a vertical bottom plate and a vertical vibration expansion table top supported in the vertical bottom plate, wherein an auxiliary supporting device is connected below the vertical bottom plate, and the auxiliary supporting device and the vertical bottom plate are matched with each other to be used for supporting the vertical vibration expansion table top and can drive the vertical bottom plate and the vertical vibration expansion table top to lift and move.
In a preferred embodiment of the present invention, the auxiliary supporting means comprises: the lifting support structure is arranged on the lifting support structure and can drive the lifting support structure to move.
In a preferred embodiment of the present invention, the lifting support structure includes a support frame and driving devices, the support frame includes four support columns, two support columns are distributed below the auxiliary bottom plate in a group, the driving devices are four, the four support columns are correspondingly mounted on the support columns, each driving device is connected with a support rod, and the upper end of each support rod is in contact with the auxiliary bottom plate.
In a preferred embodiment of the present invention, the supporting frame further includes two guiding pipes, the two guiding pipes are respectively located between the group of supporting columns, and a group of guiding columns is disposed on the lower end surface of the auxiliary bottom plate, and the guiding columns extend into the guiding pipes.
In a preferred embodiment of the present invention, the driving device is an air cylinder, a hydraulic cylinder or a lifting motor, and the support rod is connected with an air cylinder piston rod, a hydraulic cylinder piston rod or a lifting motor output shaft.
In a preferred embodiment of the present invention, the moving structure is four pulleys, and the four pulleys are installed under the supporting columns in a one-to-one correspondence.
In a preferred embodiment of the present invention, the vertical bottom plate is a rectangular frame structure, a supporting edge extending to the middle is provided at the bottom of the rectangular frame, and an air spring and a supporting block for supporting the vertical vibration expansion table top are provided on the supporting edge.
In a preferred embodiment of the present invention, four air springs are arranged in a rectangular shape under four corners of the vertical vibration extension table.
In a preferred embodiment of the invention, the support blocks are eight, and two of the support blocks are distributed between two adjacent air springs in a group.
In a preferred embodiment of the present invention, a shock absorbing member is further disposed between the vertical base plate and the auxiliary supporting device.
The invention has the beneficial effects that: according to the invention, the auxiliary supporting device is connected below the vertical bottom plate, and the vertical bottom plate and the vertical vibration expansion table top are driven to lift and move through the auxiliary supporting device, so that when a vibration station is replaced, the vertical bottom plate and the vertical vibration expansion table top are lifted only through the auxiliary supporting device, and then the vertical bottom plate and the vertical vibration expansion table top are integrally moved out of the vibration table, so that the problem that the vertical bottom plate needs to be dismounted before the vertical vibration expansion table top is moved out is avoided, the problem that the vertical vibration expansion table top is lifted by a crane when the vertical vibration expansion table top is moved out is avoided, the trouble is also avoided, and in addition, the auxiliary supporting device can be matched with the vertical bottom plate to reliably support the vertical vibration expansion table top with heavier mass, and the.
Drawings
FIG. 1 is a schematic structural diagram of a conventional temperature and humidity vibration testing apparatus;
FIG. 2 is a schematic perspective view of the present invention when mounted on a vertical vibration extension deck;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a cross-sectional view taken along plane A-A of FIG. 3;
FIG. 5 is a schematic perspective view of the present invention without the vertical vibration extension deck;
FIG. 6 is a top view of FIG. 5;
the parts in the drawings are numbered as follows:
1. the vertical bottom plate, 11, support edges, 12, air springs, 13, support blocks, 14 and grooves; 2. a vertical vibration extension table; 3. the device comprises an auxiliary supporting device 31, an auxiliary bottom plate 311, a guide column 32, a lifting supporting structure 321, a supporting frame 3211, a supporting column 3212, a guide pipe 322, a driving device 3221, a supporting rod 33 and a moving structure; 4. a shock absorbing member; 5. a sealing strip.
Detailed Description
The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.
Referring to fig. 2 to 4, the present invention includes:
an auxiliary support mechanism for a vertical vibration extension table, comprising: perpendicular bottom plate 1, support vertical vibration extension mesa 2 in perpendicular bottom plate 1, perpendicular bottom plate 1 below is connected with auxiliary stay device 3, auxiliary stay device 3 with perpendicular bottom plate 1 mutually supports and is used for supporting perpendicular vibration extension mesa 2 to can drive perpendicular bottom plate 1 and perpendicular vibration extension mesa 2 go up and down and remove. When the vibration test bed needs to switch vertical vibration into horizontal vibration, the vertical vibration extension table top 2 in the embodiment needs to be moved out of the vibration table main machine, that is, the vertical vibration extension table top 2 is detached from the moving coil table top in the vibration table main machine, at this time, the fixed connection between the vertical vibration extension table top 2 and the moving coil table top can be firstly released, then the vertical bottom plate 1 is driven to be lifted through the auxiliary supporting device 3, meanwhile, the vertical bottom plate 1 drives the vertical vibration extension table top 2 to be lifted together, then the vertical bottom plate 1 and the vertical vibration extension table top 2 are moved out of the vibration table main machine through the auxiliary supporting device 3, and finally, the horizontal vibration extension table top is installed on the moving coil table top in the vibration table main machine; move out vertical vibration extension mesa 2 through this mode promptly, can remove prior art from and dismantle perpendicular bottom plate 1 earlier, can just demolish the mode of vertical vibration extension mesa 2, practiced thrift when dismantling, also need not to adopt the loop wheel machine hoist and mount to move out vertical vibration extension mesa 2 simultaneously, reduced dismantlement labour and cost.
In this embodiment, the auxiliary supporting device 3 includes: supplementary bottom plate 31, lift bearing structure 32 and removal structure 33, supplementary bottom plate 31 and perpendicular bottom plate 1 fixed connection, lift bearing structure 32 is located supplementary bottom plate 31 below is used for the drive supplementary bottom plate 31 and fix perpendicular bottom plate 1 and the vertical vibration extension mesa 2 lift of support in perpendicular bottom plate 1 above supplementary bottom plate 31, removal structure 33 is installed on lift bearing structure 32, can drive lift bearing structure 32 and support perpendicular bottom plate 1, the vertical vibration extension mesa 2 removal above lift bearing structure 32.
Further, the lifting support structure 32 includes a support frame 321 and a driving device 322, the support frame 321 includes four support columns 3211 and two guide pipes 3212, the number of the support columns 3211 is four, two by two, the support columns are distributed below the auxiliary bottom plate 31 in a group, two of the guide pipes 3212 are respectively located between one group of the support columns 3211, a group of guide pillars 311 is fixed on the lower end surface of the auxiliary bottom plate 31, the guide pillars 311 extend into the guide pipes 3212, and the guide pipes 3212 and the guide pillars 311 are mutually matched to realize the lifting guidance of the lifting support structure 32 on the auxiliary bottom plate 31;
four driving devices 322 are arranged on the supporting columns 3211 in a one-to-one correspondence manner, each driving device 322 is connected with a supporting rod 3221, and the upper end of each supporting rod 3221 is in contact with the auxiliary bottom plate 31;
the driving device 322 is an air cylinder, a hydraulic cylinder or a lifting motor, the supporting rod 3221 is connected with an output shaft of the air cylinder piston rod, the hydraulic cylinder piston rod or the lifting motor, and the air cylinder, the hydraulic cylinder or the lifting motor drives the supporting rod 3221 to stretch and retract so as to drive the auxiliary bottom plate 1 to lift;
in this embodiment, the moving structure 33 is a pulley, and the number of the pulleys is four, and the pulleys are correspondingly installed below the supporting column 3211 one by one, and are used for driving the lifting supporting structure 32 to move.
With continued reference to fig. 5 and 6, the vertical bottom plate 1 is a rectangular frame structure, and may be formed by connecting four plate bodies with L-shaped cross sections, the bottom of the rectangular frame body has a supporting edge 11 extending to the middle, and an air spring 12 and a supporting block 13 for supporting the vertical vibration expansion table top 2 are fixed on the supporting edge 11;
in this embodiment, four air springs 12 are arranged and distributed below four corners of the vertical vibration extension table top 2 in a rectangular shape; eight support blocks 13 are arranged, two support blocks are distributed between two adjacent air springs 12 in a group, and the air springs 12 and the support blocks 13 are used for supporting the vertical vibration expansion table board 2.
In this embodiment, still be equipped with damper 4 between vertical bottom plate 1 and the auxiliary stay device 3, damper 4 can be spring or rubber pad, and fixed connection is between vertical bottom plate 1 and auxiliary bottom plate 31, can reduce the influence of shaking table host computer during operation vibration to the humiture environment box of installing on vertical bottom plate 1.
With reference to fig. 2 or 5, in this embodiment, a groove 14 is formed in the upper end surface of the vertical bottom plate 1, and the lower end edge of the temperature and humidity environment box is embedded in the groove 14 and sealed by a sealing strip 5, so as to ensure the sealing property between the temperature and humidity environment box and the vertical bottom plate 1 and ensure the reliability of the test environment.
In summary, the auxiliary supporting device is connected below the vertical bottom plate, and the auxiliary supporting device drives the vertical bottom plate and the vertical vibration expansion table top to lift and move, so that when a vibration station is replaced, the vertical bottom plate and the vertical vibration expansion table top are lifted only by the auxiliary supporting device, and then the vertical bottom plate and the vertical vibration expansion table top are integrally moved out of the vibration table, so that the problem that the vertical bottom plate needs to be dismounted before the vertical vibration expansion table top is moved out is avoided, the problem that the vertical vibration expansion table top needs to be lifted by a crane when the vertical vibration expansion table top is moved out is avoided, the auxiliary supporting device can be matched with the vertical bottom plate to reliably support the vertical vibration expansion table top with heavy mass, and the reliability of a vibration test is ensured.
In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, and are used for convenience of description and simplicity of description only, and do not indicate or imply that the devices or elements indicated must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (10)
1. An auxiliary support mechanism for a vertical vibration extension table, comprising: perpendicular bottom plate (1), support vertical vibration extension mesa (2) in perpendicular bottom plate, its characterized in that, perpendicular bottom plate (1) below is connected with auxiliary stay device (3), auxiliary stay device (3) with perpendicular bottom plate (1) is mutually supported and is used for supporting perpendicular vibration extension mesa (2), and can drive perpendicular bottom plate (1) and perpendicular vibration extension mesa (2) go up and down and remove.
2. The auxiliary support mechanism of a vertical vibration extension table as claimed in claim 1, wherein the auxiliary support means (3) comprises: auxiliary bottom plate (31), lift bearing structure (32) and removal structure (33), auxiliary bottom plate (31) and perpendicular bottom plate (1) fixed connection, lift bearing structure (32) are located auxiliary bottom plate (31) below can drive auxiliary bottom plate (31) and go up and down, removal structure (33) are installed on lift bearing structure (32), can drive lift bearing structure (32) and remove.
3. The auxiliary supporting mechanism of the vertical vibration expanding table top as claimed in claim 2, wherein the lifting supporting structure (32) comprises a supporting frame (321) and a driving device (322), the supporting frame (321) comprises supporting columns (3211), four supporting columns (3211) are arranged below the auxiliary bottom plate (31), two supporting columns are arranged below the auxiliary bottom plate (31), four driving devices (322) are arranged on the supporting columns (3211) in a one-to-one correspondence, each driving device (322) is connected with a supporting rod (3221), and the upper end of each supporting rod (3221) is in contact with the auxiliary bottom plate (31).
4. The auxiliary supporting mechanism for vertical vibration extension table top of claim 3, characterized in that the supporting frame (321) further comprises two guiding pipes (3212), the two guiding pipes (3212) are respectively located between a set of supporting columns (3211), a set of guiding columns (311) is arranged on the lower end surface of the auxiliary bottom plate (31), and the guiding columns (311) extend into the guiding pipes (3212).
5. The auxiliary supporting mechanism of vertical vibration extension table top as claimed in claim 3, wherein the driving device (322) is a cylinder, a hydraulic cylinder or a lift motor, and the supporting rod (3221) is connected with a cylinder rod, a hydraulic cylinder rod or a lift motor output shaft.
6. The auxiliary supporting mechanism of vertical vibration extension table as claimed in claim 3, wherein the moving structure (33) is four pulleys installed under the supporting column (3211) in one-to-one correspondence.
7. The auxiliary supporting mechanism for vertical vibration extension table top according to any one of claims 1 to 6, wherein the vertical base plate (1) is a rectangular frame structure, a supporting edge (11) extending towards the middle is arranged at the bottom of the rectangular frame, and an air spring (12) and a supporting block (13) for supporting the vertical vibration extension table top (2) are arranged on the supporting edge (11).
8. The auxiliary supporting mechanism for vertical vibration extension tables as claimed in claim 7, wherein said air springs (12) are four in number and are distributed in a rectangular shape under four corners of the vertical vibration extension table (2).
9. The auxiliary supporting mechanism for vertical vibration extension tables as claimed in claim 8, wherein the supporting blocks (13) are eight, and two groups are distributed between two adjacent air springs (12).
10. An auxiliary supporting mechanism for a vertical vibration extension table top according to any one of claims 1 to 6, characterized in that a shock absorbing member (4) is further provided between the vertical base plate (1) and the auxiliary supporting device (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220534.4A CN110779673A (en) | 2019-12-03 | 2019-12-03 | Auxiliary supporting mechanism of vertical vibration extension table board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911220534.4A CN110779673A (en) | 2019-12-03 | 2019-12-03 | Auxiliary supporting mechanism of vertical vibration extension table board |
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| Publication Number | Publication Date |
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| CN110779673A true CN110779673A (en) | 2020-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911220534.4A Pending CN110779673A (en) | 2019-12-03 | 2019-12-03 | Auxiliary supporting mechanism of vertical vibration extension table board |
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| CN (1) | CN110779673A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729738A (en) * | 2020-12-29 | 2021-04-30 | 中国科学院地质与地球物理研究所 | Double-table vibration test device |
-
2019
- 2019-12-03 CN CN201911220534.4A patent/CN110779673A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729738A (en) * | 2020-12-29 | 2021-04-30 | 中国科学院地质与地球物理研究所 | Double-table vibration test device |
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