CN204556207U - Based on the three-component standard vibration machine of reed-type decoupling device - Google Patents
Based on the three-component standard vibration machine of reed-type decoupling device Download PDFInfo
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- CN204556207U CN204556207U CN201520026168.XU CN201520026168U CN204556207U CN 204556207 U CN204556207 U CN 204556207U CN 201520026168 U CN201520026168 U CN 201520026168U CN 204556207 U CN204556207 U CN 204556207U
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Abstract
Based on the three-component standard vibration machine of reed-type decoupling device, comprise base, described base is provided with X axis shaking table, Y-axis shaking table, Z-axis direction shaking table, and three-dimensional vibrating platform; X axis shaking table is connected with three-dimensional vibrating platform by X axis decoupling device, and Y-axis shaking table is connected with three-dimensional vibrating platform by Y-axis decoupling device, and Z-axis direction shaking table is connected with three-dimensional vibrating platform by Z-axis direction decoupling device; X axis decoupling device, Y-axis decoupling device and Z-axis direction decoupling device are made up of respective reed support unit respectively, and each reed support unit comprises a pair reed be arranged in parallel, lay respectively at the first coupling assembling and second coupling assembling at reed two ends; First coupling assembling is positioned at the one end near shaking table, and the second coupling assembling is positioned at the one end near three-dimensional vibrating platform.The utility model has the installation requirement of decoupling device not high, has the advantage of power transmission rigidity more good than static pressure air film.
Description
Technical field
The utility model relates to a kind of three-component standard vibration machine.
Technical background
Adopt one-dimensional vibration calibration system to measure axle to three to the calibration of three-dimensional vibration-measuring sensor at present to carry out successively more, and this method longer, data processing complex consuming time, consider simultaneously three-dimension sensor respectively tie up between intercouple, the method is more difficult to get the sensitivity matrix of reflection retinoic acid syndrome relation.Therefore, develop the three-component standard vibration machine that axially can be excited at the same time three-dimensional vibration-measuring sensor three, to the development of vibration-measuring sensor collimation technique and the progress of corresponding industry technology, all there is important theoretical and practical significance.
Chinese patent 201110207297.5 discloses a kind of three-component standard vibration machine based on bayonet type decoupling device, comprise base, X is to electromagnetic vibration generator system, Y-direction electromagnetic vibration generator system, Z-direction electromagnetic vibration generator system and three-dimensional vibrating platform, each electromagnetic vibration generator system is all connected with three-dimensional vibrating platform by mobile decoupling device; Mobile decoupling device comprises the first frame and the second frame, first frame and the second frame fasten mutually, first frame and the second frame are connected side and second connect side composition by outside, inner edge, first between outside with inner edges, the outside of frame is relative with inner edge, and the inner edge of frame inserts in another frame; The air hole being provided with gas channel in the inner edge of the first frame and being communicated with gas channel, air hole is in communication with the outside; The inner edge of the first frame and all have minim gap between the inner edge of the second frame and outside, minim gap forms the air-float guide rail of the first frame inner edge; The interval preventing from contacting outside the second frame and the first frame is provided with between the inner edge of the second frame and the outside of the first frame; Gas channel is communicated with external compressed air source; The outside of the first frame is connected with electromagnetic vibration generator system, and the outside of the second frame is connected with three-dimensional vibrating platform.This shaking table adopts the transmission of bayonet type structure and static pressure air-bearing supporting realizable force, solves the problem of three-component mobile decoupling.
The shortcoming of this shaking table is: by fixing the first frame on a vibration table, three-dimensional vibrating platform is fixed the second frame, first frame and the second frame mutually fasten and form bayonet type structure, the installation accuracy that there is the first frame and the second frame requires high, and the existence of the second frame increases the quality of three-dimensional vibrating platform.
Utility model content
In order to the installation accuracy overcoming the frame to bayonet type decoupling device that existing three-component standard vibration machine exists requires high, the quality that the existence of the second frame increases three-dimensional vibrating platform and the less shortcoming of the static pressure gas film stiffness transmitted for vibration force, it is not high that the utility model provides a kind of installation requirement to decoupling device, has the three-component standard vibration machine based on reed-type decoupling device of power transmission rigidity more good than static pressure air film.
Based on the three-component standard vibration machine of reed-type decoupling device, comprise base, described base is provided with X axis shaking table, Y-axis shaking table, Z-axis direction shaking table, and three-dimensional vibrating platform; X axis shaking table is connected with three-dimensional vibrating platform by X axis decoupling device, and Y-axis shaking table is connected with three-dimensional vibrating platform by Y-axis decoupling device, and Z-axis direction shaking table is connected with three-dimensional vibrating platform by Z-axis direction decoupling device;
It is characterized in that: X axis decoupling device, Y-axis decoupling device and Z-axis direction decoupling device are made up of respective reed support unit respectively, each reed support unit comprises a pair reed be arranged in parallel, lays respectively at the first coupling assembling and second coupling assembling at reed two ends; First coupling assembling is positioned at the one end near shaking table, and the second coupling assembling is positioned at the one end near three-dimensional vibrating platform.
Further, X axis decoupling device, Y-axis decoupling device and Z-axis direction decoupling device have the two-stage reed support unit of series connection respectively.
Further, two-stage reed support unit is fixedly connected with by web member, and the reed of two-stage reed support unit is orthogonal.
Further, described web member is cruciform, and two levels of support unit is arranged on two orthogonal arms of web member respectively.
The reed of two-stage reed support unit is symmetricly set in plane of movement and the three-dimensional vibrating platform of corresponding shaking table respectively by the first coupling assembling and the second coupling assembling, and the plane ensureing two-stage reed is all axially parallel with this shaking table, and the wherein plane of one-level reed and the axial vertical of all the other a certain shaking tables.
Further, the first coupling assembling and the second coupling assembling comprise pair of L-shaped brace respectively, L shape brace are arranged the screw coordinated with coupling bolt.
The course of work of the present utility model is: X axis decoupling device, Y-axis decoupling device and the Z-axis direction decoupling device reed-type mobile decoupling device all for being formed by two-stage reed support unit.Vibration is exported for X axis shaking table, first vibration is delivered to the X axis decoupling device be connected with X axis shaking table, because the plane of decoupling device two-stage reed is all parallel with X axis, thus along this axially in high stiffness characteristics, can realize well transferring vibrations to the three-dimensional vibrating platform be connected with X axis decoupling device.Meanwhile, one-level and Y-axis shaking table vibrating shaft is had to vertical in the two-stage reed of X axis decoupling device, be small stiffness characteristics along Y-axis, thus avoid the interference that Y-axis shaking table exports X axis shaking table, the plane of the other one-level reed of X axis decoupling device with Z-axis direction shaking table vibrating shaft to vertical, be small stiffness characteristics along Z-axis direction, thus avoid the interference that Z-axis direction shaking table exports X axis shaking table, in sum, realize three-dimensional vibrating platform and export X axis decoupling motion.In like manner, for the vibration that two other axial vibration platform produces, due to the effect of reed-type mobile decoupling device, also can realize three-dimensional vibrating platform export respective shaft to decoupling motion, thus complete three-dimensional vibrating platform and export along X, Y, Z axis to the decoupling zero of resultant motion.
The utility model adopts three shaking tables and three reed-type mobile decoupling devices to form three-component standard vibration machine, the reed-type mobile decoupling device of design adopts staggered form reed structure, avoid the interference that non-transmission exports to vibration while can realizing vibration force transmission, solve the problem that three-component vibration platform exports mobile decoupling well.
The utility model has the advantage of:
1, reed support unit is fixedly connected with being between shaking table and three-dimensional vibrating platform, and connected mode is simple, and location is convenient, installs simple.
2, the mobile decoupling device of reed-type has the transmission rigidity larger than traditional static pressure air film along vibration force direction of transfer, can significantly improve three-component standard vibration machine upper limit frequency of utilization, and simplify three-component mobile decoupling apparatus structure, saves manufacturing cost.
Accompanying drawing explanation
Fig. 1 is three-component standard vibration machine structural representation.
Fig. 2 is reed-type mobile decoupling structure drawing of device.
Fig. 3 is spring assembly structural drawing.
Fig. 4 is connecting-piece structure figure.
Embodiment
With reference to accompanying drawing, further illustrate the utility model:
As shown in Figure 1, based on reed-type mobile decoupling device three-component standard vibration machine by base 1, X axis (level to, lower with) shaking table 2, Y-axis (level to, lower with) shaking table 3, Z-axis direction (Vertical dimension, lower with) shaking table 4, three-dimensional vibrating platform 5 and with the composition such as X, Y, Z each axially corresponding X axis decoupling device 6A, Y-axis decoupling device 6B and Z-axis direction decoupling device 6C; X axis shaking table 2, Y-axis shaking table 3, Z-axis direction shaking table 4 are all installed on base 1, and X axis shaking table 2, Y-axis shaking table 3, Z-axis direction shaking table 4 are connected with three-dimensional vibrating platform 5 respectively by respective decoupling device.
As shown in Figure 2, X axis decoupling device 6A is made up of the first spring assembly 61, second spring assembly 62, the 3rd spring assembly 63, the 4th spring assembly 64 and cross connecting piece 65.First spring assembly 61 and the second spring assembly 62 form first order reed support unit, 3rd spring assembly 63 and the 4th spring assembly 64 form second level reed support unit, and web member is for connecting first order reed support unit and second level reed support unit.The shape of web member is not limited to cruciform, also can be square or rectangle, as long as can realize orthogonal installation of two-stage reed support unit.Although illustrate for two-stage reed support unit in the present embodiment, the quantity of reed support unit is not limited to two-stage, should using the length of the Distance geometry reed between shaking table and three-dimensional vibrating platform as the quantity reference frame of reed support unit.
As shown in Figure 3, the first spring assembly 61 is made up of reed 611 and L-type pressing plate 612, and four L-type pressing plate 612 symmetries are installed on reed 611 two ends.L-type pressing plate forms the first coupling assembling and the second coupling assembling.
As shown in Figure 2, Figure 3, Figure 4, first, second, third, fourth spring assembly 61,62,63,64 structure is identical, all be installed on cross connecting piece 65, mounting characteristic is: the reed plane of the first spring assembly 61 and the reed plane of the second spring assembly 62 are parallel to each other, and are installed on cross connecting piece 65 first installed surface 651 about cross connecting piece 65 Central Symmetry; The reed plane of the 3rd spring assembly 63 and the reed plane of the 4th spring assembly 64 are parallel to each other, cross connecting piece 65 second installed surface 652 is installed on about cross connecting piece 65 Central Symmetry, and, the reed plane of the first spring assembly 61 is mutually vertical with the reed plane of the 3rd spring assembly 63, and the reed plane of the second spring assembly 62 is mutually vertical with the reed plane of the 4th spring assembly 64.
The structure of Y-axis decoupling device 6B, Z-axis direction decoupling device 6C is identical with X axis decoupling device 6A with the mechanism of action, the reed-type mobile decoupling device all for being formed by two-stage reed support unit.
X axis vibration is exported for three-component standard vibration machine, X-motion decoupling device 6A one end connects X axis shaking table 2 plane of movement 21 by L-type pressing plate 612, the other end connects three-dimensional vibrating platform 5, and ensure four groups of reed supporting components 61, 62, 63, the reed plane of two groups is had in the horizontal direction in 64, thus the reed plane of other two groups vertically, because the reed planes of four groups are all vertical with plane of movement 21, when reed is used for transmitting vibrations, there is high rigidity property, can realize X axis shaking table 2 plane of movement 21 to export well along X axis vibration passing to three-dimensional vibrating platform 5, in like manner, by Y-motion decoupling device 6B realize Y-axis shaking table 3 plane of movement 31 is exported along Y-axis vibration passing to three-dimensional vibrating platform 5.
To the Z-motion decoupling device 6C for transmitting Z-axis direction vibration, need ensure in four groups of reed supporting components 61,62,63,64, there is the reed plane of two groups parallel with X axis shaking table 2 plane of movement 21, the reed plane of other two groups is parallel with Y-axis shaking table 3 plane of movement 31, now, the reed plane of four groups also reaches vertical with Z-axis direction shaking table 4 plane of movement 41, when reed is used for transmitting vibrations, there is high rigidity property, can realize Z-axis direction shaking table 4 plane of movement 41 to export along Z-axis direction vibration passing to three-dimensional vibrating platform 5.
The course of work of the present utility model is: export vibration for X axis shaking table 2, first vibration is delivered to the X axis decoupling device 6A be connected with X axis shaking table 2, because the plane of decoupling device two-stage reed is all vertical with X axis shaking table 2 plane of movement 21, thus along this axially in high stiffness characteristics, can realize well transferring vibrations to the three-dimensional vibrating platform 5 be connected with X axis decoupling device.Meanwhile, there is one-level parallel with Y-axis shaking table 3 plane of movement 31 in the two-stage reed of X axis decoupling device 6A, be small stiffness characteristics along Y-axis, thus avoid the interference of Y-axis shaking table 3 pairs of X axis shaking tables 2 outputs, the plane of the other one-level reed of X axis decoupling device 6A is parallel with Z-axis direction shaking table 4 plane of movement 41, be small stiffness characteristics along Z-axis direction, thus avoid the interference that Z-axis direction shaking table exports X axis shaking table, in sum, realize three-dimensional vibrating platform 5 and export X axis decoupling motion; In like manner, for the vibration that two other axial vibration platform produces, due to the effect of reed-type mobile decoupling device, also can realize three-dimensional vibrating platform 5 export respective shaft to decoupling motion, thus complete three-dimensional vibrating platform and export along X, Y, Z axis to the decoupling zero of resultant motion.
The utility model adopts three shaking tables and three reed-type mobile decoupling devices to form three-component standard vibration machine, the reed-type mobile decoupling device of design adopts staggered form reed structure, avoid the interference that non-transmission exports to vibration while can realizing vibration force transmission, solve the problem that three-component vibration platform exports mobile decoupling well.
The utility model has the advantage of:
1, reed support unit is fixedly connected with being between shaking table and three-dimensional vibrating platform, and connected mode is simple, and location is convenient, installs simple.
2, the mobile decoupling device of reed-type has the transmission rigidity larger than traditional static pressure air film along vibration force direction of transfer, can significantly improve three-component standard vibration machine upper limit frequency of utilization, and simplify three-component mobile decoupling apparatus structure, saves manufacturing cost.
This instructions embodiment content is only enumerating the way of realization that utility model is conceived; protection domain of the present utility model should not be regarded as being only limitted to the concrete form that embodiment is stated, protection domain of the present utility model also and conceive the equivalent technologies means that can expect according to the utility model in those skilled in the art.
Claims (5)
1. based on the three-component standard vibration machine of reed-type decoupling device, comprise base, described base is provided with X axis shaking table, Y-axis shaking table, Z-axis direction shaking table, and three-dimensional vibrating platform; X axis shaking table is connected with three-dimensional vibrating platform by X axis decoupling device, and Y-axis shaking table is connected with three-dimensional vibrating platform by Y-axis decoupling device, and Z-axis direction shaking table is connected with three-dimensional vibrating platform by Z-axis direction decoupling device; It is characterized in that: X axis decoupling device, Y-axis decoupling device and Z-axis direction decoupling device are made up of respective reed support unit respectively, each reed support unit comprises a pair reed be arranged in parallel, lays respectively at the first coupling assembling and second coupling assembling at reed two ends; First coupling assembling is positioned at the one end near shaking table, and the second coupling assembling is positioned at the one end near three-dimensional vibrating platform.
2., as claimed in claim 1 based on the three-component standard vibration machine of reed-type decoupling device, it is characterized in that: X axis decoupling device, Y-axis decoupling device and Z-axis direction decoupling device have the two-stage reed support unit of series connection respectively.
3., as claimed in claim 2 based on the three-component standard vibration machine of reed-type decoupling device, it is characterized in that: two-stage reed support unit is fixedly connected with by web member, the reed of two-stage reed support unit is orthogonal.
4., as claimed in claim 2 based on the three-component standard vibration machine of reed-type decoupling device, it is characterized in that: described web member is cruciform, two levels of support unit is arranged on two orthogonal arms of web member respectively.
5. as claimed in claim 4 based on the three-component standard vibration machine of reed-type decoupling device, it is characterized in that: the first coupling assembling and the second coupling assembling comprise pair of L-shaped brace respectively, L shape brace is arranged the screw coordinated with coupling bolt.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596720A (en) * | 2015-01-15 | 2015-05-06 | 浙江大学 | Three-component standard vibrating table based on reed type decoupling devices |
| CN108151958A (en) * | 2017-12-13 | 2018-06-12 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of power transmits retainer |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104596720A (en) * | 2015-01-15 | 2015-05-06 | 浙江大学 | Three-component standard vibrating table based on reed type decoupling devices |
| WO2016112686A1 (en) * | 2015-01-15 | 2016-07-21 | 浙江大学 | Three-component standard shaker based on spring-type decoupling device |
| CN104596720B (en) * | 2015-01-15 | 2017-08-08 | 浙江大学 | Three-component standard vibration machine based on reed-type decoupling device |
| US10365181B2 (en) | 2015-01-15 | 2019-07-30 | Zhejiang University | Three-dimensional standard vibrator based on leaf-spring-type decoupling device |
| CN108151958A (en) * | 2017-12-13 | 2018-06-12 | 中国航空工业集团公司北京长城计量测试技术研究所 | A kind of power transmits retainer |
| CN108151958B (en) * | 2017-12-13 | 2020-04-24 | 中国航空工业集团公司北京长城计量测试技术研究所 | Force transmission retainer |
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Granted publication date: 20150812 Termination date: 20190115 |