CN102109408B - Automatic return device used in triaxial vibrating system - Google Patents
Automatic return device used in triaxial vibrating system Download PDFInfo
- Publication number
- CN102109408B CN102109408B CN 200910265825 CN200910265825A CN102109408B CN 102109408 B CN102109408 B CN 102109408B CN 200910265825 CN200910265825 CN 200910265825 CN 200910265825 A CN200910265825 A CN 200910265825A CN 102109408 B CN102109408 B CN 102109408B
- Authority
- CN
- China
- Prior art keywords
- mounting flange
- elastic recovery
- recovery device
- elastic body
- inner sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
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 products all is multi-direction, multivariant compound vibration in the actual environment, but because the restriction of testing equipment and means, multiaxis simultaneously vibration test can only carry out respectively the single shaft vibration test simulation of all directions, 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, such as electric-liquid type, electrodynamic type and pneumatic type etc., same workbench is consisted of 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 take stationary state as reference point generation compound vibration, 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 occur 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, affects 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 automatically get back to normal operation position.
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 automatically get back to the automatic resetting device that uses in a kind of three shaft vibration systems of normal operation position.
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, lower mounting flange and elastic recovery device; Have several mounting holes and several connecting holes on the card of described upper mounting flange and lower mounting flange on the centrosymmetric position; Relevant position, the dish wall outside at each mounting hole respectively has 1 fixed orifice; Described lower mounting flange has identical structure with upper mounting flange; Described elastic recovery device has several, the head of each elastic recovery device be with in afterbody can be inserted in respectively the corresponding mounting hole of upper mounting flange and lower mounting flange, and the hexagonal tightening jackscrew in the fixed orifice in the dish wall outside by mounting hole is fixed elastic recovery device.
The middle part of described elastic recovery device is the reeded rigid connecting rod of tool, and the head cover of rigid connecting rod has inner sleeve, and flexible body is overlapped in the outside of inner sleeve, and elastomeric outside cover has overcoat; The head of rigid connecting rod has identical structure with afterbody.
The outside surface of described inner sleeve can be sphere, the face of cylinder or other types surface, and its elastomeric inside surface is corresponding sphere, the face of cylinder or other types surface, and elastic body and inner sleeve are combined closely; 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.
On described upper mounting flange and the lower mounting flange 8 mounting holes are arranged respectively, 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 take stationary state as reference point generation compound vibration, 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 effective displacement of keeping system keeps vibrational waveform, improves vibration test result's accuracy.The automatic resetting device that uses in the three shaft vibration systems has the characteristics such as the response time is fast, reliable, and processing cost is lower, and anti-environmental interference ability is strong, can also manually adjust 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 three-axis vibration test system side view;
Fig. 3 is the automatic resetting device structural representation that uses in a kind of three shaft vibration systems of the present invention;
Fig. 4 is elastic recovery device structural representation of the present invention;
Fig. 5 is elastic recovery device cross-sectional view of the present invention.
Among the figure: 1, horizontal X is to vibration machine; 2, horizontal Y-direction 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, upper mounting flange; 7, lower mounting flange; 8, hexagonal tightening jackscrew; 9, elastic recovery device; 10, rigid connecting rod; 11, inner sleeve; 12, elastic body; 13, overcoat; 14, mounting hole; 15, connecting hole; 16, fixed orifice; 17, separate the lotus root device; 18, groove; 19 projections.
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, lower mounting flange 7 and elastic recovery device 9; Have mounting hole 14 on the card of described upper mounting flange 6 on the symmetric position of center, respectively have up and down 2 mounting holes 14, altogether have 8 mounting holes 14, on its position separately, evenly have connecting hole 15, altogether have 4 connecting holes 15; Relevant position, the dish wall outside at 8 mounting holes 14 respectively has 1 fixed orifice 16; Lower mounting flange 7 has identical structure with upper 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 reeded rigid connecting rod 10 of tool, and the head cover of rigid connecting rod 10 has inner sleeve 11, inner sleeve 11 be connected rigid connecting rod 10 and closely connect.Flexible body 12 is overlapped in the outside of inner sleeve 11, and the outside surface of inner sleeve 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 inner sleeve 11 of the present invention adopts sphere, and the inside surface of corresponding elastic body 12 adopts sphere.Elastic body 12 is connected with inner sleeve closely and is connected.Have projection 19 on the outside surface of elastic body 12, the outside cover of elastic body 12 has overcoat 13, and overcoat 13 is 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 is with in afterbody is inserted in respectively the corresponding mounting hole 14 of upper mounting flange 6 and lower mounting flange 7, and the hexagonal tightening jackscrews 8 in the fixed orifice 16 in the dish wall outside by mounting hole 14 are fixing with elastic recovery device 9.
As depicted in figs. 1 and 2: a kind of three shaft vibration systems, it comprises that mainly horizontal X is to vibration machine 1, horizontal Y-direction vibration machine 2, vertical Z to vibration machine 3, workbench 4 reconciliation lotus root devices 17.The upper 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, lower mounting flange 7 is spirally connected by connecting hole 15 to vibration machine 3 with vertical Z, and the horizontal X of workbench 4 is to being connected by separating lotus root device 17 with horizontal Y-direction vibration machine 2 to vibration machine 1 with horizontal X respectively with horizontal Y-direction.
During work, horizontal X can produce vibration to vibration machine 1, horizontal Y-direction vibration machine 2, vertical Z in horizontal X direction, horizontal Y-direction and vertical Z direction to vibration machine 3, 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 according to different test features, reach different test objectives.The automatic resetting device 5 that uses in the three shaft vibration systems can keep in different load weight situations the equilibrium position of workbench 4, realizes mobile equilibrium.
Above-described embodiment only is explanation technical conceive of the present invention and characteristics, and its purpose is to allow the personage who is familiar with technique can understand content of the present invention and according to this enforcement, can not be as restriction protection scope of the present invention.All equivalences that Spirit Essence is done according to the present invention change or modify, and all should be encompassed within protection scope of the present invention.
Claims (2)
1. the automatic resetting device that uses in the shaft vibration system, it is characterized in that: it comprises mounting flange (6), lower mounting flange (7) and elastic recovery device (9); Have several mounting holes (14) and several connecting holes (15) on the card of described upper mounting flange (6) and lower mounting flange (7) on the centrosymmetric position; Relevant position, the dish wall outside at each mounting hole (14) respectively has 1 fixed orifice (16); Described lower mounting flange (7) has identical structure with upper mounting flange (6); Described elastic recovery device (9) has several, the head of each elastic recovery device (9) be with in afterbody can be inserted in respectively the corresponding mounting hole (14) of upper mounting flange (6) and lower mounting flange (7), and the hexagonal tightening jackscrew (8) in the fixed orifice (16) in the dish wall outside by mounting hole (14) is fixing with elastic recovery device (9); The middle part of described elastic recovery device (9) is the reeded rigid connecting rod of tool (10), and the head cover of connecting link (10) has inner sleeve (11), and flexible body (12) is overlapped in the outside of inner sleeve (11), and the outside cover of elastic body (12) has overcoat (13); The head of rigid connecting rod (10) has identical structure with afterbody, and the outside surface of inner sleeve (11) is that the inside surface of its elastic body of sphere (12) is corresponding sphere, and elastic body (12) and inner sleeve (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).
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 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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102109408A CN102109408A (en) | 2011-06-29 |
| CN102109408B true CN102109408B (en) | 2013-02-13 |
Family
ID=44173626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910265825 Expired - Fee Related CN102109408B (en) | 2009-12-24 | 2009-12-24 | Automatic return device used in triaxial vibrating system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102109408B (en) |
Families Citing this family (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 |
| 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 |
Citations (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
Patent Citations (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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102109408A (en) | 2011-06-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205190633U (en) | Passive damping device of unmanned helicopter airborne equipment of 6 -degree of freedom | |
| CN101281088B (en) | Three-axis six-freedom degree vibration test apparatus | |
| US7047109B2 (en) | Machinery for improving performance irregularities arising from vibrations | |
| CN103438142A (en) | Six-degree-of-freedom active vibration isolation device | |
| CN201935796U (en) | Triaxial mechanical decoupling device and vibration test system | |
| CN204187234U (en) | A kind of paralleling mechanism vibration isolation and displacement protecting device | |
| CN104908896A (en) | Six-degree-of-freedom connector for ultra-large floating body composed of modules | |
| CN106737593B (en) | The Three Degree Of Freedom device of the even single branch driving of the adjustable solution of dynamic characteristic | |
| CN110542439A (en) | Inertial device residual moment measuring device and method based on three-dimensional air flotation | |
| CN102109408B (en) | Automatic return device used in triaxial vibrating system | |
| CN102155517A (en) | Photoelectric stable platform | |
| CN107884108B (en) | three-dimensional force measuring platform based on single axial tension pressure sensor | |
| CN207297738U (en) | A kind of high-performance inertial navigation vibration absorber | |
| CN107144301B (en) | A kind of simulation testing environment of multiple degrees of freedom aggregate motion simulation | |
| CN110360267B (en) | Device for actively eliminating external vibration interference of optical system | |
| CN201749019U (en) | Electric hammer type triaxial six-DOF (degree of freedom) vibration test device | |
| CN202402557U (en) | Pressure-lever type passive low-frequency three-way vibration isolator | |
| CN103323163A (en) | Active compensating vibration restraining system based on force feedback | |
| CN201193977Y (en) | Vibration experiment apparatus with three axes and six degree of freedom | |
| CN108340357B (en) | Five-degree-of-freedom floating compensation device | |
| CN103586863A (en) | Planar three-degree-of-freedom parallel micro-positioning platform of symmetric structure | |
| CN207688844U (en) | A kind of measuring device | |
| CN208001412U (en) | Installation shell with shock-damping structure and it is bonded liquid crystal display instrument entirely | |
| CN205660707U (en) | Four degree of freedom parallel manipulators with nested structure | |
| CN218347857U (en) | Shock absorption device of inertial navigation system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
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 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130213 Termination date: 20211224 |