CN202195878U - Tricomponent standard vibration table based on locking type decoupling device - Google Patents
Tricomponent standard vibration table based on locking type decoupling device Download PDFInfo
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- CN202195878U CN202195878U CN2011202632741U CN201120263274U CN202195878U CN 202195878 U CN202195878 U CN 202195878U CN 2011202632741 U CN2011202632741 U CN 2011202632741U CN 201120263274 U CN201120263274 U CN 201120263274U CN 202195878 U CN202195878 U CN 202195878U
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Abstract
The utility model relates to a tricomponent standard vibration table based on a locking type decoupling device, comprising a base, an X-direction electromagnetic vibrating table, a Y-direction electromagnetic vibrating table, a Z-direction electromagnetic vibrating table and a three-dimensional vibration platform, wherein each electromagnetic vibrating table is both connected with a motion decoupling device and the three-dimensional vibration platform, the motion decoupling device comprises a first frame and a second frame, the first frame and the second frame are respectively formed by an outer edge, an inner edge, a first connecting side edge and a second connecting side edge between the outer edge and the inner edge, the outer edge and the inner edge of the frame are opposite, the inner edge of the frame is inserted into the other frame, small gaps exist between the inner edge of the first frame and the inner edge of the second frame as well as between the inner edge of the first frame and the outer edge of the second frame, an interval is arranged between the inner edge of the second frame and the outer edge of the first frame, an air flow channel is communicated with an external compression air source, the outer edge of the first frame is connected with the electromagnetic vibrating table, and the outer edge of the second frame is connected with the three-dimensional vibration platform. The tricomponent standard vibration table has the advantages of simple structure, convenience in installation and good decoupling effect, and suitability of a vibration calibration system.
Description
Technical field
The utility model relates to a kind of three-component standard vibration machine based on bayonet type decoupling zero device.
Technical background
The multidimensional vibration-measuring sensor is widely used in fields such as seismic monitoring, geologic prospecting, multi-dimensional vibration environmental test, and along with the continuous development of modern vibration measuring technology, various multidimensional vibration-measuring sensors also continue to bring out.Yet, both at home and abroad for also ununified perfect country or the industry standard of multidimensional vibration-measuring sensor calibration, greatly limited the development of multi-dimensional vibration research field at present.
Adopt one-dimensional vibration calibration system that three measurement axis are carried out successively to the calibration of three-dimensional vibration-measuring sensor at present more; And this method long, data processing complex consuming time; Consider intercoupling between each dimension of three-dimension sensor simultaneously; This method calibration accuracy is lower, and is more difficult to get the sensitivity matrix of coupled relation between the reflection dimension.Therefore, develop the three-component standard vibration machine that can axially be excited at the same time three-dimensional vibrating sensor three development and the corresponding industry development of technology of vibration-measuring sensor collimation technique all had important theory and practical significance.
Summary of the invention
When calibrating three-dimensional vibration-measuring sensor, prior art can only adopt one-dimensional vibration calibration system that three measurement axis are calibrated successively for overcoming; There is length consuming time; Data processing complex; And be difficult to obtain to reflect the shortcoming of the sensitivity matrix of coupled relation between dimension, the utility model provides a kind of three-component standard vibration machine based on bayonet type decoupling zero device that can be excited at the same time three measurement axis of three-dimensional vibration-measuring sensor.
Three-component standard vibration machine based on bayonet type decoupling zero device; Comprise base; Described base is provided with X along X axis vibration to electromagnetic vibration generator system; Along the Y of Y axial vibration to electromagnetic vibration generator system, along the Z of Z axial vibration to electromagnetic vibration generator system, with the three-dimensional vibrating platform that is connected with three electromagnetic vibration generator systems; Each electromagnetic vibration generator system all is connected with described three-dimensional vibrating platform through the mobile decoupling device corresponding with each shaking table;
Described mobile decoupling device comprises first frame and second frame of being processed by rigid material; First frame and second frame fasten each other; Described first frame and second frame are connected side by first between outside, inner edge, outside and the inner edge and are connected side with second and form; The outside and the inner edge of frame are relative, and the inner edge of frame inserts in another frame;
The air hole that is provided with gas channel in the inner edge of said first frame and is communicated with described gas channel, described air hole is in communication with the outside; Minim gap is all arranged between the inner edge of the inner edge of described first frame and second frame and the outside, and described minim gap forms the air-float guide rail of the first frame inner edge; Be provided with the interval that prevents that the described second frame inner edge from contacting with first frame outside between the outside of the inner edge of described second frame and first frame; Described gas channel is communicated with the external compression air source;
The outside of described first frame is connected with electromagnetic vibration generator system, and the outside of described second frame is connected with the three-dimensional vibrating platform.
Further, the inner edge of described first frame is provided with many gas channels, and a plurality of described air holes evenly distribute on every tributary air flue.
Further; Described gas channel comprises many tributary air flues that laterally arrange and the master stream air flue that is communicated with all tributary air flues; Described master stream air flue is connected with described external compression air source, and described tributary air flue one end is communicated with the master stream air flue, and the other end is sealed by packoff.
Perhaps, described gas channel one end sealing, the other end is connected with described external compression air source.
Further, frame is rectangle frame, circular frame, oval frame or trapezoidal frame.
The course of work of the utility model is: when certain axial magnetic shaking table produces motion; Transfer of vibration is to the outside of first frame that is connected with this shaking table; Because frame is processed by rigid material; Two are connected the inner edge that side is delivered to frame between the outside of the vibration of shaking table through first frame and the inner edge, and inner edge and air film through first frame transfer vibrations to second frame, and second frame is passed to the three-dimensional vibrating platform with this axial vibration signal again.The motion of three-dimensional vibrating platform promptly is that X, Y, Z synthesize to what electromagnetic vibration generator system moved.
Inner edge at first frame is provided with gas channel; Pressurized air outwards overflows through air hole; Can between the inner edge of the inner edge of first frame and second frame and outside, form the static pressure air-bearing supporting; It is good that corresponding axis is transmitted performance to motoricity, and the resistance that two other axially-movable is produced is little, has met the requirement of mobile decoupling well.
The utility model adopts three electromagnetic vibration generator systems and three bayonet type mobile decoupling devices to constitute the three-component standard vibration machine; The bayonet type mobile decoupling device of design adopts bayonet type structure and static pressure air-bearing supporting, when realizable force transmits well, avoided non-transmission to interference, solved the problem of three-component mobile decoupling well.
The utlity model has simple in structure, easy for installation, decoupling zero is effective, be suitable for vibrating the advantage of calibration system.
Description of drawings
Fig. 1 is a three-component standard vibration machine structural representation.
Fig. 2 is bayonet type mobile decoupling device one-piece construction figure.
Fig. 3 is that bayonet type mobile decoupling assembly axis is to cut-open view.
Fig. 4 is that the C-C of Fig. 3 is to cut-open view.
Embodiment
Embodiment one
With reference to Fig. 1-4
Three-component standard vibration machine based on bayonet type decoupling zero device; Comprise base 8; Described base is provided with X along X axis vibration to electromagnetic vibration generator system 1; Along the Y of Y axial vibration to electromagnetic vibration generator system 5, along the Z of Z axial vibration to electromagnetic vibration generator system 7, with the three-dimensional vibrating platform 3 that is connected with three electromagnetic vibration generator systems 1,5,7; Each electromagnetic vibration generator system all is connected with described three-dimensional vibrating platform 3 through the mobile decoupling device corresponding with shaking table 2,4,6;
Described mobile decoupling device comprises the first frame A and the second frame B that is processed by rigid material; The first frame A and the second frame B fasten each other; Described first frame and second frame are connected side by first between outside, inner edge, outside and the inner edge and are connected side with second and form; The outside 21,25 of frame and relative with its inner edge 24,28 respectively; The inner edge 24,28 of frame inserts in another frames, outside 21,25 and inner edge 24, is first to connect side 22,26 and be connected side 23,27 with second between 28;
The air hole 244 that is provided with gas channel and is communicated with in the first frame inner edge 24 with gas channel, described air hole 244 is in communication with the outside; Between the inner edge 24 of the described first frame A and the inner edge 28 of the second frame B and the outside 25 minim gap is arranged all, described minim gap forms air-float guide rail; The inner edge 28 of the described second frame B is provided with the interval that prevents that the described second frame inner edge from contacting with first frame outside with the outside 21 of the first frame A; Described gas channel 243 is communicated with the external compression air source;
The outside 21 of the described first frame A is connected with electromagnetic vibration generator system, and the outside 25 of the described second frame B is connected with three-dimensional vibrating platform 3.
The described first frame A inner edge 24 is provided with many gas channels, and a plurality of described air holes 244 evenly distribute on every tributary air flue.
Described gas channel comprises many tributary air flues that laterally arrange 243 and the master stream air flue 221 that is communicated with all tributary air flues 243; Described master stream air flue 221 is connected with described external compression air source; Described tributary air flue 243 1 ends are communicated with master stream air flue 221, and the other end is sealed by packoff.
Frame A, B are rectangle frame, circular frame, oval frame or trapezoidal frame.
The course of work of the utility model is: when certain axial magnetic shaking table produces motion; Transfer of vibration is to the outside of first frame that is connected with this shaking table; Because frame is processed by rigid material; Two are connected the inner edge that side is delivered to frame between the outside of the vibration of shaking table through first frame and the inner edge, and inner edge and air film through first frame transfer vibrations to second frame, and second frame is passed to the three-dimensional vibrating platform with this axial vibration signal again.The motion of three-dimensional vibrating platform promptly is that X, Y, Z synthesize to what electromagnetic vibration generator system moved.
Inner edge at first frame is provided with gas channel; Pressurized air outwards overflows through air hole; Can between the inner edge of the inner edge of first frame and second frame and outside, form the static pressure air-bearing supporting; It is good that corresponding axis is transmitted performance to motoricity, and the resistance that two other axially-movable is produced is little, has met the requirement of mobile decoupling well.
The utility model adopts three electromagnetic vibration generator systems and three bayonet type mobile decoupling devices to constitute the three-component standard vibration machine; The bayonet type mobile decoupling device of design adopts bayonet type structure and static pressure air-bearing supporting, when realizable force transmits well, avoided non-transmission to interference, solved the problem of three-component mobile decoupling well.
The utlity model has simple in structure, easy for installation, decoupling zero is effective, be suitable for vibrating the advantage of calibration system.
Embodiment two
The difference of present embodiment and embodiment one is: described gas channel one end sealing, the other end is connected with described external compression air source.
The described content of this instructions embodiment only is enumerating the way of realization of utility model design; The protection domain of the utility model should not be regarded as and only limit to the concrete form that embodiment states, the protection domain of the utility model also reach in those skilled in the art according to the utility model design the equivalent technologies means that can expect.
Claims (5)
1. based on the three-component standard vibration machine of bayonet type decoupling zero device; It is characterized in that: comprise base; Described base is provided with X along X axis vibration to electromagnetic vibration generator system; Along the Y of Y axial vibration to electromagnetic vibration generator system, along the Z of Z axial vibration to electromagnetic vibration generator system, with the three-dimensional vibrating platform that is connected with three electromagnetic vibration generator systems; Each electromagnetic vibration generator system all is connected with described three-dimensional vibrating platform through the mobile decoupling device corresponding with each shaking table;
Described mobile decoupling device comprises first frame and second frame of being processed by rigid material; First frame and second frame fasten each other; Described first frame and second frame are connected side by first between outside, inner edge, outside and the inner edge and are connected side with second and form; The outside and the inner edge of frame are relative, and the inner edge of frame inserts in another frame;
The air hole that is provided with gas channel in the inner edge of said first frame and is communicated with described gas channel, described air hole is in communication with the outside; Minim gap is all arranged between the inner edge of the inner edge of described first frame and second frame and the outside, and described minim gap forms the air-float guide rail of the first frame inner edge; Be provided with the interval that prevents that the described second frame inner edge from contacting with first frame outside between the outside of the inner edge of described second frame and first frame; Described gas channel is communicated with the external compression air source;
The outside of described first frame is connected with electromagnetic vibration generator system, and the outside of described second frame is connected with the three-dimensional vibrating platform.
2. the three-component standard vibration machine based on bayonet type decoupling zero device as claimed in claim 1, it is characterized in that: the inner edge of described first frame is provided with many gas channels, and a plurality of described air holes evenly distribute on every tributary air flue.
3. the three-component standard vibration machine based on bayonet type decoupling zero device as claimed in claim 2; It is characterized in that: described gas channel comprises many tributary air flues that laterally arrange and the master stream air flue that is communicated with all tributary air flues; Described master stream air flue is connected with described external compression air source; Described tributary air flue one end is communicated with the master stream air flue, and the other end is sealed by packoff.
4. the three-component standard vibration machine based on bayonet type decoupling zero device as claimed in claim 2 is characterized in that: described gas channel one end sealing, the other end is connected with described external compression air source.
5. like claim 3 or 4 described three-component standard vibration machines based on bayonet type decoupling zero device, it is characterized in that: frame is rectangle frame, circular frame, oval frame or trapezoidal frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202632741U CN202195878U (en) | 2011-07-23 | 2011-07-23 | Tricomponent standard vibration table based on locking type decoupling device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202632741U CN202195878U (en) | 2011-07-23 | 2011-07-23 | Tricomponent standard vibration table based on locking type decoupling device |
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| CN202195878U true CN202195878U (en) | 2012-04-18 |
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| CN2011202632741U Withdrawn - After Issue CN202195878U (en) | 2011-07-23 | 2011-07-23 | Tricomponent standard vibration table based on locking type decoupling device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364316A (en) * | 2011-07-23 | 2012-02-29 | 浙江大学 | Three-component standard vibration table based on lock type decoupling device |
| TWI480122B (en) * | 2012-07-13 | 2015-04-11 | Univ Nat Kaohsiung Applied Sci | A machine tool's vibrating deck |
| CN104614068A (en) * | 2015-01-30 | 2015-05-13 | 浙江大学 | Integrated double-axis electromagnetic vibration generator |
| CN106768288A (en) * | 2016-12-05 | 2017-05-31 | 北京航空航天大学 | A kind of high precision high rigidity heavy load piezoelectric type decouples microvibration measuring system |
| CN112880953A (en) * | 2021-01-21 | 2021-06-01 | 复旦大学 | Vibration test device and vibration test method |
-
2011
- 2011-07-23 CN CN2011202632741U patent/CN202195878U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102364316A (en) * | 2011-07-23 | 2012-02-29 | 浙江大学 | Three-component standard vibration table based on lock type decoupling device |
| CN102364316B (en) * | 2011-07-23 | 2013-08-14 | 浙江大学 | Three-component standard vibration table based on lock type decoupling device |
| TWI480122B (en) * | 2012-07-13 | 2015-04-11 | Univ Nat Kaohsiung Applied Sci | A machine tool's vibrating deck |
| CN104614068A (en) * | 2015-01-30 | 2015-05-13 | 浙江大学 | Integrated double-axis electromagnetic vibration generator |
| CN104614068B (en) * | 2015-01-30 | 2017-08-08 | 浙江大学 | Integrated biaxial is to electromagnetic vibration generator system |
| CN106768288A (en) * | 2016-12-05 | 2017-05-31 | 北京航空航天大学 | A kind of high precision high rigidity heavy load piezoelectric type decouples microvibration measuring system |
| CN106768288B (en) * | 2016-12-05 | 2019-05-03 | 北京航空航天大学 | A kind of high precision high rigidity heavy load piezoelectric type decoupling microvibration measuring system |
| CN112880953A (en) * | 2021-01-21 | 2021-06-01 | 复旦大学 | Vibration test device and vibration test method |
| CN112880953B (en) * | 2021-01-21 | 2022-04-08 | 复旦大学 | Vibration test device and vibration test method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120418 Effective date of abandoning: 20130814 |
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| RGAV | Abandon patent right to avoid regrant |