CN113267306A - Bidirectional bearing and supporting device for vibration table and vibration table - Google Patents
Bidirectional bearing and supporting device for vibration table and vibration table Download PDFInfo
- Publication number
- CN113267306A CN113267306A CN202110690692.7A CN202110690692A CN113267306A CN 113267306 A CN113267306 A CN 113267306A CN 202110690692 A CN202110690692 A CN 202110690692A CN 113267306 A CN113267306 A CN 113267306A
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- China
- Prior art keywords
- air bag
- vibration table
- connecting plate
- gasbag
- moving coil
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 29
- 230000000694 effects Effects 0.000 claims abstract description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 239000002131 composite material Substances 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Classifications
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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
-
- 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
- G01M7/022—Vibration control arrangements, e.g. for generating random vibrations
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
- Magnetic Bearings And Hydrostatic Bearings (AREA)
Abstract
The invention provides a bidirectional bearing and supporting device for a vibrating table, which comprises a columnar mounting seat, an upper air bag and a lower air bag which are arranged in the mounting seat, a mounting plate arranged between the upper air bag and the lower air bag, a connecting plate arranged above the mounting seat, and a rigid connecting column penetrating through the mounting seat to connect the connecting plate and the mounting plate, wherein the mounting plate is abutted against the upper air bag and the lower air bag, the connecting plate and the mounting seat are arranged at intervals, and the effect of controlling the height of the connecting plate is realized by supplying or exhausting air to the upper air bag and the lower air bag. According to the bidirectional bearing support device for the vibrating table, the upper air bag and the lower air bag are arranged, so that bidirectional bearing of the vibrating table can be realized, and a vibration test under a complex environment can be realized.
Description
Technical Field
The invention relates to a bidirectional bearing supporting device for a vibrating table and the vibrating table.
Background
The movable coil lower supporting device of the common vibration table is only supported by the air bag and can only bear pressure, and once the movable coil is subjected to tension, the vibration table cannot be used. In a general environment, the test piece generates pressure on the moving coil under the action of gravity, and a general supporting device supported by the air bag can meet the test requirement.
According to the requirements of customers, when a test piece needs to be subjected to a composite vibration test, for example, when the test piece needs to be subjected to a vibration test in a vacuum environment, the moving coil is subjected to low-pressure suction; when a customer needs to perform a wind tunnel test and simultaneously perform a vibration test in a composite manner, the suction force on the moving coil can be caused in a low-air-pressure environment caused by high wind speed; when a client carries out centrifugal vibration, the moving coil can move upwards under the action of centrifugal force; therefore, the common vibration table cannot meet the requirement of customer tests on bidirectional bearing of the movable coil of the vibration table.
In view of the above, there is a need to improve the existing bidirectional bearing support device for vibration table to solve the above problems.
Disclosure of Invention
The invention aims to provide a bidirectional bearing support device for a vibrating table, which aims to solve the problem that the existing vibrating table cannot realize bidirectional bearing.
In order to achieve the purpose, the invention provides a bidirectional bearing and supporting device for a vibrating table, which comprises a columnar mounting seat, an upper air bag and a lower air bag which are arranged in the mounting seat, a mounting plate arranged between the upper air bag and the lower air bag, a connecting plate arranged above the mounting seat, and a rigid connecting column penetrating through the mounting seat to connect the connecting plate and the mounting plate, wherein the mounting plate is abutted against the upper air bag and the lower air bag, the connecting plate and the mounting seat are arranged at intervals, and the effect of controlling the height of the connecting plate is achieved by supplying or exhausting air to or from the upper air bag and the lower air bag.
As a further improvement of the invention, the bidirectional bearing and supporting device for the vibration table further comprises a piston arranged on one side of the connecting plate far away from the mounting seat and a first guiding device arranged around the piston, and the piston is fixedly connected with the connecting plate.
As a further improvement of the invention, the number of the connecting columns is multiple, and the connecting columns are arranged around the upper air bag.
As a further improvement of the invention, the mounting seat is provided with an upper top surface, and the upper top surface is fixed with the upper air bag.
As a further improvement of the invention, the upper top surface is provided with a first air hole, the upper air bag is provided with an upper inlet and an upper outlet, and the upper inlet and the upper outlet are communicated with the first air hole.
As a further improvement of the invention, the mounting seat is provided with a lower bottom surface, and the lower bottom surface is fixed with the lower air bag.
As a further improvement of the present invention, the lower bottom surface is provided with a second air hole, the lower air bag is provided with a lower inlet/outlet, and the lower inlet/outlet is communicated with the second air hole.
The invention also provides a vibrating table, which comprises a moving coil, the bidirectional bearing and supporting device for the vibrating table arranged below the moving coil, and a magnetic steel body arranged around the bidirectional bearing and supporting device for the vibrating table, wherein the piston is fixedly connected with the moving coil.
As a further improvement of the invention, the vibration table further comprises a lower magnetic pole arranged below the magnetic steel body, and the lower magnetic pole is fixedly connected with the mounting seat.
As a further improvement of the present invention, the vibration table further includes a second guiding device disposed around the moving coil, an upper cover disposed on a side of the moving coil away from the bidirectional bearing support device for the vibration table, and a lower cover disposed on a side of the bidirectional bearing support device for the vibration table away from the moving coil.
The invention has the beneficial effects that: according to the bidirectional bearing support device for the vibrating table, the upper air bag and the lower air bag are arranged, so that bidirectional bearing of the vibrating table can be realized, and a vibration test under a complex environment can be realized.
Drawings
FIG. 1 is a schematic cross-sectional view of the oscillating table of the present invention;
fig. 2 is a sectional view of the bi-directional load bearing support device for a vibration table of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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 invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1 to 2, a vibration table 100 of the present invention includes a moving coil 1, a bidirectional bearing support device 2 for a vibration table disposed below the moving coil 1, a magnetic steel body 3 disposed around the bidirectional bearing support device 2 for a vibration table, a second guide device 4 disposed around the moving coil 1, an upper cover 5 disposed on a side of the moving coil 1 away from the bidirectional bearing support device 2 for a vibration table, a lower cover 6 disposed on a side of the bidirectional bearing support device 2 for a vibration table away from the moving coil 1, and a lower magnetic pole 7 disposed below the magnetic steel body 3.
Shaking table is with two-way strutting arrangement 2 that bears is including being cylindrical mount pad 21, setting up last gasbag 22 and lower gasbag 23 in the mount pad 21, set up and be in mounting panel 24, the setting between last gasbag 22 and the lower gasbag 23 are in connecting plate 25, the running through of mount pad 21 top the connecting plate 25 with connect the connecting plate 25 with mounting panel 24's rigid connection post 26, setting are in the connecting plate 25 is kept away from the piston 27 of mount pad 21 one side, is encircleed the first guider 28 that the piston 27 set up.
The mounting seat 21 has an upper top surface 211, a lower bottom surface 212 disposed opposite to the upper top surface 211, and a side surface 213 connecting the upper top surface 211 and the lower ground. In this embodiment, the lower magnetic pole 7 is fixedly connected to the mounting base 21, and further, the lower bottom surface 212 of the mounting base 21 is fixedly connected to the lower magnetic pole 7. In this embodiment, the diameter of the lower bottom surface 212 is larger than the diameter of the column surrounded by the side surface 213 of the mounting seat 21. By such an arrangement, the lower bottom surface 212 and the lower magnetic pole 7 can be fixed more conveniently.
The upper top surface 211 is opened with a first air hole, the upper air bag 22 is provided with an upper outlet 221, and the upper outlet 221 is communicated with the first air hole. The upper top surface 211 is fixed to the upper air bag 22, and further, the upper top surface 211 is hermetically connected to the upper air bag 22, and the effect of controlling the contraction or expansion of the upper air bag 22 is achieved only by controlling the inflation and deflation of the upper air bag 22 through the upper inlet/outlet port 221.
The lower bottom surface 212 is opened with a second air hole, the lower air bag 23 has a lower inlet/outlet 231, and the lower inlet/outlet 231 is communicated with the second air hole. The lower bottom surface 212 is fixed to the lower air bag 23, and further, the lower bottom surface 212 is hermetically connected to the lower air bag 23, so that the effect of controlling the contraction or expansion of the upper air bag 22 is achieved only by controlling the inflation and deflation of the lower air bag 23 through the lower access 231.
The piston 27 is fixedly connected with the connecting plate 25, and the piston 27 is fixedly connected with the moving coil 1. The arrangement is such that when the connecting plate 25 moves up and down, the piston 27 and the moving coil 1 are driven to move up and down, so as to ensure that the moving coil 1 is located at the middle position.
The connection plate 25 is spaced apart from the mounting seat 21 to leave a space for the upper movement.
The mounting plate 24 abuts against the upper and lower air bags 22 and 23. The effect of controlling the height of the connecting plate 25 is achieved by supplying or discharging air to or from the upper and lower air bags 22 and 23.
The number of the connecting columns 26 is multiple, and the connecting columns 26 are arranged around the upper air bag 22. In this embodiment, the diameters of the upper air bag 22 and the lower air bag 23 are smaller than the diameters of the mounting seat 21 and the mounting plate 24, and the link surrounds the upper air bag 22 and is connected to the mounting plate 24.
The method of use of the vibration table 100 of the present invention is as follows: when a test piece is placed on the moving coil 1 of the vibrating table 100 under normal pressure, the moving coil 1 is stressed to move downwards for a certain distance, in order to keep the moving coil 1 in a middle position, the upper air bag 22 is exhausted at the moment, the lower air bag 23 is inflated, the lower air bag 23 abuts against the mounting plate 24 to move upwards, and the connecting column 26, the connecting plate 25, the piston 27 and the moving coil 1 are further driven to move upwards until the moving coil 1 returns to the middle position; when the vibrating table 100 is in a negative pressure environment or receives a pulling force due to other situations, the moving coil 1 moves upwards for a certain distance, in order to keep the moving coil 1 in a middle position, at this time, the upper air bag 22 is inflated, the lower air bag 23 is exhausted, the upper air bag 22 abuts against the mounting plate 24 to move downwards, and the connecting column 26, the connecting plate 25, the piston 27 and the moving coil 1 are further driven to move downwards until the moving coil 1 recovers to the middle position. By means of the arrangement, the vibrating table 100 can keep the moving coil 1 in the middle position under different environments, and vibration tests under complex environments are achieved.
According to the vibrating table 100 and the bidirectional bearing supporting device 2 for the vibrating table, disclosed by the invention, the bidirectional bearing of the moving coil 1 can be realized by arranging the upper air bag 22 and the lower air bag 23, so that the moving coil 1 is always in a middle position, and a vibration test under a complex environment is realized.
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. The utility model provides a shaking table bears strutting arrangement with two-way, its characterized in that: the shaking table is with two-way strutting arrangement that bears is in including being cylindrical mount pad, setting last gasbag in the mount pad and gasbag, setting down go up gasbag and lower mounting panel between the gasbag, set up the connecting plate of mount pad top, run through the mount pad is with the connection the connecting plate with the rigid connection post of mounting panel, the mounting panel with go up the gasbag and support with gasbag down and hold, the connecting plate with the mount pad interval sets up, through giving go up gasbag and gasbag air feed or exhaust down, realize control the effect of connecting plate height.
2. The bi-directional load bearing support device for a vibration table of claim 1, wherein: the bidirectional bearing and supporting device for the vibrating table further comprises a piston arranged on one side, far away from the mounting seat, of the connecting plate and a first guiding device arranged around the piston, and the piston is fixedly connected with the connecting plate.
3. The bi-directional load bearing support device for a vibration table of claim 2, wherein: the number of the connecting columns is multiple, and the connecting columns are arranged around the upper air bag.
4. The bi-directional load bearing support device for a vibration table of claim 2, wherein: the mounting seat is provided with an upper top surface, and the upper top surface is fixed with the upper air bag.
5. The bi-directional load bearing support device for a vibration table of claim 4, wherein: the upper top surface is provided with a first air hole, the upper air bag is provided with an upper inlet and an upper outlet, and the upper inlet and the upper outlet are communicated with the first air hole.
6. The bi-directional load bearing support device for a vibration table of claim 2, wherein: the mounting seat is provided with a lower bottom surface, and the lower bottom surface is fixed with the lower air bag.
7. The bi-directional load bearing support device for a vibration table of claim 6, wherein: the lower bottom surface is provided with a second air hole, the lower air bag is provided with a lower inlet and a lower outlet, and the lower inlet and the lower outlet are communicated with the second air hole.
8. A vibration table characterized by: the vibration table comprises a moving coil, the bidirectional bearing and supporting device for the vibration table as claimed in any one of claims 2 to 7 arranged below the moving coil, and a magnetic steel body arranged around the bidirectional bearing and supporting device for the vibration table, wherein the piston is fixedly connected with the moving coil.
9. The vibratory table of claim 8, wherein: the vibration table further comprises a lower magnetic pole arranged below the magnetic steel body, and the lower magnetic pole is fixedly connected with the mounting seat.
10. The vibratory table of claim 8, wherein: the vibrating table further comprises a second guiding device arranged around the moving coil, an upper cover arranged on one side, far away from the vibrating table, of the bidirectional bearing supporting device, and a lower cover arranged on one side, far away from the moving coil, of the bidirectional bearing supporting device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110690692.7A CN113267306A (en) | 2021-06-22 | 2021-06-22 | Bidirectional bearing and supporting device for vibration table and vibration table |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110690692.7A CN113267306A (en) | 2021-06-22 | 2021-06-22 | Bidirectional bearing and supporting device for vibration table and vibration table |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113267306A true CN113267306A (en) | 2021-08-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110690692.7A Pending CN113267306A (en) | 2021-06-22 | 2021-06-22 | Bidirectional bearing and supporting device for vibration table and vibration table |
Country Status (1)
| Country | Link |
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| CN (1) | CN113267306A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115389148A (en) * | 2022-10-27 | 2022-11-25 | 苏州东菱振动试验仪器有限公司 | Four-comprehensive vibration test system |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2031160A (en) * | 1978-10-05 | 1980-04-16 | Derritron Electronics Ltd | Environmental testing apparatus |
| CN201203509Y (en) * | 2008-06-04 | 2009-03-04 | 苏州东菱振动试验仪器有限公司 | Bidirectional bearing structure of electric oscillating table |
| CN201408106Y (en) * | 2009-05-13 | 2010-02-17 | 苏州东菱振动试验仪器有限公司 | Movable coil support system with large load structure |
| KR20120112944A (en) * | 2011-04-04 | 2012-10-12 | 국방과학연구소 | Supporting apparatus for vibration test using air spring |
| CN109540443A (en) * | 2018-12-11 | 2019-03-29 | 上海航天精密机械研究所 | A kind of polyaxial gas circuit converting system and method for vibrating auxiliary support apparatus |
| CN110508193A (en) * | 2019-09-11 | 2019-11-29 | 中国工程物理研究院化工材料研究所 | Three kinds of power spring collective effects realize the combined experiments equipment of multi-dimensional vibration |
| CN210347041U (en) * | 2019-08-30 | 2020-04-17 | 品为众创(苏州)试验设备有限公司 | Electric vibration test device |
| CN111751071A (en) * | 2020-08-13 | 2020-10-09 | 中国工程物理研究院总体工程研究所 | Moving coil position adjusting device |
-
2021
- 2021-06-22 CN CN202110690692.7A patent/CN113267306A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2031160A (en) * | 1978-10-05 | 1980-04-16 | Derritron Electronics Ltd | Environmental testing apparatus |
| CN201203509Y (en) * | 2008-06-04 | 2009-03-04 | 苏州东菱振动试验仪器有限公司 | Bidirectional bearing structure of electric oscillating table |
| CN201408106Y (en) * | 2009-05-13 | 2010-02-17 | 苏州东菱振动试验仪器有限公司 | Movable coil support system with large load structure |
| KR20120112944A (en) * | 2011-04-04 | 2012-10-12 | 국방과학연구소 | Supporting apparatus for vibration test using air spring |
| CN109540443A (en) * | 2018-12-11 | 2019-03-29 | 上海航天精密机械研究所 | A kind of polyaxial gas circuit converting system and method for vibrating auxiliary support apparatus |
| CN210347041U (en) * | 2019-08-30 | 2020-04-17 | 品为众创(苏州)试验设备有限公司 | Electric vibration test device |
| CN110508193A (en) * | 2019-09-11 | 2019-11-29 | 中国工程物理研究院化工材料研究所 | Three kinds of power spring collective effects realize the combined experiments equipment of multi-dimensional vibration |
| CN111751071A (en) * | 2020-08-13 | 2020-10-09 | 中国工程物理研究院总体工程研究所 | Moving coil position adjusting device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115389148A (en) * | 2022-10-27 | 2022-11-25 | 苏州东菱振动试验仪器有限公司 | Four-comprehensive vibration test system |
| CN115389148B (en) * | 2022-10-27 | 2023-02-10 | 苏州东菱振动试验仪器有限公司 | Four-comprehensive vibration test system |
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Application publication date: 20210817 |