CN102109408A - Automatic return device used in triaxial vibrating system - Google Patents
Automatic return device used in triaxial vibrating system Download PDFInfo
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- CN102109408A CN102109408A CN2009102658255A CN200910265825A CN102109408A CN 102109408 A CN102109408 A CN 102109408A CN 2009102658255 A CN2009102658255 A CN 2009102658255A CN 200910265825 A CN200910265825 A CN 200910265825A CN 102109408 A CN102109408 A CN 102109408A
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- recovery device
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Abstract
The invention belongs to the technical field of mechanical environmental tests, and in particular relates to an automatic return device used in a triaxial vibrating system. The device comprises an upper mounting flange, a lower mounting flange, hexagonal jack screws and elastic recovery devices, wherein the head part and the tail part of each elastic recovery device are inserted into mounting holes corresponding to the upper mounting flange and the lower mounting flange respectively; and the elastic recovery devices are fixed through the hexagonal jack screws in fixing holes outside the flange walls of the mounting holes. The automatic return device used in the triaxial vibrating system has the characteristics of rapid response, reliable running, lower machining cost, high anti-environment interference capacity and the like, can bring convenience to manual adjustment and is convenient to operate and easy to maintain.
Description
Technical field
The invention belongs to the dynamic environmental test technical field, be specifically related to the automatic resetting device that uses in a kind of three shaft vibration systems.
Background technology
The vibration environment of most of products all is multi-direction, multivariant compound vibration in the actual environment, but because the restriction of testing equipment and means, multiaxis vibration test simultaneously can only carry out the single shaft vibration test simulation of all directions respectively, along with improving constantly of product precision, reliability requirement and test efficiency, the single vibration test can not have been satisfied the testing requirements of vibration environment.
As illustrated in fig. 1 and 2: three shaft vibration systems are by three unidirectional shaking tables, as electric-liquid type, electrodynamic type and pneumatic type etc., same workbench is constituted at three mutually perpendicular direction excitings, because the free movement state of workbench is the compound motion of three axial six degree of freedoms (along the translation of space X, Y, three mutual vertical axials of Z, around the rotation of space X, Y, three mutual Z-axises of Z).When test specimen carries out three-axis vibration test, test specimen to be measured is fixedly mounted on the table top of workbench, workbench is reference point generation compound vibration with the stationary state, test specimen is in vibration processes, along with the variation of vibration frequency and vibration acceleration, workbench can be with respect to its reference point generation relative displacement.Relative angle also can take place in the geometrical axis of workbench and direction of vibration, and this will cause effective displacement of system to reduce, and makes the vibrational waveform distortion, influences vibration test result's accuracy.
The automatic resetting device that uses in the three shaft vibration systems can produce elastic restraint to workbench and test specimen, and when workbench and test specimen generation relativity shift, device can make it get back to normal operation position automatically.
Summary of the invention
The objective of the invention is in order to provide when workbench and the test specimen generation relativity shift, device can make it get back to the automatic resetting device that uses in a kind of three shaft vibration systems of normal operation position automatically.
The technical scheme that realizes the object of the invention is: the automatic resetting device that uses in a kind of three shaft vibration systems, and it comprises mounting flange, following mounting flange and elastic recovery device; Have several mounting holes and several connecting holes on the centrosymmetric position on the card of described upward mounting flange and following mounting flange; Relevant position, the dish wall outside at each mounting hole respectively has 1 fixed orifice; Described mounting flange down has identical structure with last mounting flange; Described elastic recovery device has several, the head of each elastic recovery device and afterbody can be inserted in respectively in the corresponding mounting hole of mounting flange and following mounting flange, by the hexagonal tightening jackscrew in the fixed orifice outside the dish wall of mounting hole elastic recovery device are fixed.
The middle part of described elastic recovery device is the rigid connecting rod with groove, and the head of rigid connecting rod is with interior cover, and the outside of interior cover is with elastic body, and the elastomeric outside is with overcoat; The head of rigid connecting rod has identical structure with afterbody.
The outside surface of cover can be sphere, the face of cylinder or other types surface in described, and its elastomeric inside surface is corresponding sphere, the face of cylinder or other types surface, elastic body and the tight combination of interior cover; Have projection on the described elastomeric outside surface, the inside surface of described overcoat has groove, and the recess-mounted of the inside surface of elastomeric convex outer surfaces and overcoat clamps.
Described going up on mounting flange and the following mounting flange respectively has 8 mounting holes, 8 fixed orifices and 4 connecting holes.
Described elastomeric material is natural rubber or asynthetic rubber.
Effect of the present invention is: when test specimen carries out three-axis vibration test, test specimen to be measured is fixedly mounted on the table top of workbench, workbench is reference point generation compound vibration with the stationary state, test specimen is in vibration processes, along with the variation of vibration frequency and vibration acceleration, workbench can be with respect to its reference point generation relative displacement.The automatic resetting device that uses in the three shaft vibration systems can make the geometrical axis of workbench and the relative angle of direction of vibration diminish, and keeps effective displacement of system, keeps vibrational waveform, improves vibration test result's accuracy.The automatic resetting device that uses in the three shaft vibration systems has characteristics such as the response time is fast, reliable, and processing cost is lower, and anti-environmental interference ability is strong, can also carry out manual adjustment easily, and is easy to operate, is easy to safeguard.
Description of drawings
Fig. 1 is the three-axis vibration test system schematic;
Fig. 2 is a three-axis vibration test system side view;
The automatic resetting device structural representation of Fig. 3 for using in a kind of three shaft vibration systems of the present invention;
Fig. 4 is an elastic recovery device structural representation of the present invention;
Fig. 5 is an elastic recovery device cross-sectional view of the present invention.
Among the figure: 1, horizontal X is to vibration machine; 2, horizontal Y is to vibration machine; 3, vertical Z is to vibration machine; 4, workbench; 5, the automatic resetting device that uses in the three shaft vibration systems; 6, go up mounting flange; 7, following mounting flange; 8, hexagonal tightening jackscrew; 9, elastic recovery device; 10, rigid connecting rod; 11, interior cover; 12, elastic body; 13, overcoat; 14, mounting hole; 15, connecting hole; 16, fixed orifice; 17, separate the lotus root device; 18, groove; 19 projectioies.
Embodiment
Below in conjunction with the drawings and specific embodiments the automatic resetting device that uses in a kind of three shaft vibration systems of the present invention is described in further detail.
As shown in Figure 3: the automatic resetting device that uses in a kind of three shaft vibration systems, it mainly comprises mounting flange 6, following mounting flange 7 and elastic recovery device 9; Have mounting hole 14 on the symmetric position of center on the card of described upward mounting flange 6, respectively have 2 mounting holes 14 up and down, have 8 mounting holes 14 altogether, on its position separately, evenly have connecting hole 15, have 4 connecting holes 15 altogether; Relevant position, the dish wall outside at 8 mounting holes 14 respectively has 1 fixed orifice 16; Following mounting flange 7 has identical structure with last mounting flange 6, also has 14,4 connecting holes 15 of 8 mounting holes and 8 fixed orifices 16.
As shown in Figure 4 and Figure 5: described elastic recovery device 9 has 8, and the middle part of elastic recovery device 9 is the rigid connecting rod 10 with groove, cover 11 in the head of rigid connecting rod 10 is with, and interior cover 11 closely is connected with inboard rigid connecting rod 10.The outside of interior cover 11 is with elastic body 12, and the outside surface of interior cover 11 can be sphere, the face of cylinder or other types surface, and the inside surface of its elastic body 12 is corresponding sphere, the face of cylinder or other types surface.The outside surface of cover 11 adopts sphere in of the present invention, and the inside surface of corresponding elastic body 12 adopts sphere.Elastic body 12 closely is connected with interior cover 11.Have projection 19 on the outside surface of elastic body 12, the outside of elastic body 12 is with overcoat 13, and overcoat 13 is a tubbiness.The inside surface of described overcoat 13 has groove 18, and the convex outer surfaces 19 of elastic body 12 is inlayed clamping with the groove 18 of the inside surface of overcoat 13.
The head of described elastic recovery device 9 has identical structure with afterbody.The material of described elastic body 12 is natural rubber or asynthetic rubber, can also be other flexible body materials.
The head of each elastic recovery device 9 and afterbody are inserted in respectively in the corresponding mounting hole 14 of mounting flange 6 and following mounting flange 7, and be by the hexagonal tightening jackscrews 8 in the fixed orifice outside the dish wall of mounting hole 14 16 that elastic recovery device 9 is fixing.
As depicted in figs. 1 and 2: a kind of three shaft vibration systems, it comprises that mainly horizontal X conciliates lotus root devices 17 to vibration machine 2, vertical Z to vibration machine 3, workbench 4 to vibration machine 1, horizontal Y.The last mounting flange 6 of the automatic resetting device 5 that uses in the three shaft vibration systems is spirally connected by connecting hole 15 and workbench, following mounting flange 7 is spirally connected by connecting hole 15 to vibration machine 3 with vertical Z, the horizontal X of workbench 4 to horizontal Y to being connected by separating lotus root device 17 to vibration machine 2 with horizontal Y to vibration machine 1 with horizontal X respectively.
During work, horizontal X can horizontal X direction, horizontal Y direction and vertical Z direction on produce vibration to vibration machine 2, vertical Z to vibration machine 3 to vibration machine 1, horizontal Y, and the automatic resetting device 5 that uses in the three shaft vibration systems can be offset the motional inertia in three directions.
In test, can increase or reduce the quantity of the elastic recovery device 9 that uses, reach different test objectives according to different test features.The automatic resetting device 5 that uses in the three shaft vibration systems can keep the equilibrium position of workbench 4 in different load weight situations, realizes mobile equilibrium.
The foregoing description only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with this technology can understand content of the present invention and enforcement according to this, can not be as restriction protection scope of the present invention.All equivalences that spirit is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (5)
1. the automatic resetting device that uses in the shaft vibration system is characterized in that: it comprises mounting flange (6), mounting flange (7) and elastic recovery device (9) down; Have several mounting holes (14) and several connecting holes (15) on the centrosymmetric position on the card of described upward mounting flange (6) and following mounting flange (7); Relevant position, the dish wall outside at each mounting hole (14) respectively has 1 fixed orifice (16); Described mounting flange (7) down has identical structure with last mounting flange (6); Described elastic recovery device (9) has several, head of each elastic recovery device (9) and afterbody can be inserted in respectively in the corresponding mounting hole (14) of mounting flange (6) and following mounting flange (7), and be by the hexagonal tightening jackscrew (8) in the fixed orifice (16) outside the dish wall of mounting hole (14) that elastic recovery device (9) is fixing.
2. the automatic resetting device that uses in a kind of three shaft vibration systems according to claim 1, it is characterized in that: the middle part of described elastic recovery device (9) is the rigid connecting rod (10) with groove, the head of rigid connecting rod (10) is with interior cover (11), the outside of interior cover (11) is with elastic body (12), and the outside of elastic body (12) is with overcoat (13); The head of rigid connecting rod (10) has identical structure with afterbody.
3. the automatic resetting device that uses in a kind of three shaft vibration systems according to claim 1, it is characterized in that: the outside surface of cover (11) can be sphere, the face of cylinder or other types surface in described, the inside surface of its elastic body (12) is corresponding sphere, the face of cylinder or other types surface, and elastic body (12) and interior cover (11) are combined closely; Have projection (19) on the outside surface of described elastic body (12), the inside surface of described overcoat (13) has groove (18), and the convex outer surfaces (19) of elastic body (12) is inlayed clamping with the groove (18) of the inside surface of overcoat (13).
4. the automatic resetting device that uses in a kind of three shaft vibration systems according to claim 1, it is characterized in that: described going up on mounting flange (6) and the following mounting flange (7) respectively has 8 mounting holes (14), 8 fixed orifices (16) and 4 connecting holes (15).
5. the automatic resetting device that uses in a kind of three shaft vibration systems according to claim 1, it is characterized in that: the material of described elastic body (12) is natural rubber or asynthetic rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910265825 CN102109408B (en) | 2009-12-24 | 2009-12-24 | Automatic return device used in triaxial vibrating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910265825 CN102109408B (en) | 2009-12-24 | 2009-12-24 | Automatic return device used in triaxial vibrating system |
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| Publication Number | Publication Date |
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| CN102109408A true CN102109408A (en) | 2011-06-29 |
| CN102109408B CN102109408B (en) | 2013-02-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 200910265825 Expired - Fee Related CN102109408B (en) | 2009-12-24 | 2009-12-24 | Automatic return device used in triaxial vibrating system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207899A (en) * | 2020-03-11 | 2020-05-29 | 上海航天精密机械研究所 | Multi-degree-of-freedom decoupling ball head automatic balancing device |
| CN113188738A (en) * | 2021-04-13 | 2021-07-30 | 西安航天动力技术研究所 | Self-returning low-frequency horizontal cycloidal vibrating table |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201034801Y (en) * | 2007-04-23 | 2008-03-12 | 苏州东菱振动试验仪器有限公司 | Horizontal sliding table revert positioning apparatus |
| CN201096598Y (en) * | 2007-10-18 | 2008-08-06 | 苏州试验仪器总厂 | Horizontal slipway pull rod type damping device |
| CN201318985Y (en) * | 2008-12-15 | 2009-09-30 | 北京强度环境研究所 | Vibrating table moving ring bearing device |
-
2009
- 2009-12-24 CN CN 200910265825 patent/CN102109408B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111207899A (en) * | 2020-03-11 | 2020-05-29 | 上海航天精密机械研究所 | Multi-degree-of-freedom decoupling ball head automatic balancing device |
| CN113188738A (en) * | 2021-04-13 | 2021-07-30 | 西安航天动力技术研究所 | Self-returning low-frequency horizontal cycloidal vibrating table |
| CN113188738B (en) * | 2021-04-13 | 2022-09-02 | 西安航天动力技术研究所 | Self-returning low-frequency horizontal cycloidal vibrating table |
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| CN102109408B (en) | 2013-02-13 |
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Application publication date: 20110629 Assignee: 6-DOF VIBRATION TESTING DEVICE WITH ELECTRODYNAMIC EXCITATION Assignor: BEIJING AEROSTANDARD NEW TECHNOLOGY Co. Contract record no.: 2013990000443 Denomination of invention: Automatic return device used in triaxial vibrating system Granted publication date: 20130213 License type: Exclusive License Record date: 20130730 |
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Granted publication date: 20130213 Termination date: 20211224 |
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