CN201600231U - Angular vibration test table based on flexible hinge mechanism - Google Patents
Angular vibration test table based on flexible hinge mechanism Download PDFInfo
- Publication number
- CN201600231U CN201600231U CN2010201027121U CN201020102712U CN201600231U CN 201600231 U CN201600231 U CN 201600231U CN 2010201027121 U CN2010201027121 U CN 2010201027121U CN 201020102712 U CN201020102712 U CN 201020102712U CN 201600231 U CN201600231 U CN 201600231U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- hinge mechanism
- coil motor
- vibration
- flexure hinge
- 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 utility model discloses an angular vibration test table based on a flexible hinge mechanism, including a base, and two voice coil motors, a flexible hinge mechanism and a vibration test table which are fixed on the base; said two voice coil motor are symmetrically disposed on two sides of the flexible hinge mechanism; the vibration test table is supported on the flexible hinge mechanism; and the output end of the voice coil motor is connected with the bottom of the vibration test table. The angular vibration test table based on the flexible hinge mechanism has advantages of simple structure, low cost, simple assembly, stable work and high test accuracy.
Description
Technical field
The utility model is mainly concerned with the vibration-testing apparatus field, refers in particular to a kind of angular oscillation test board based on flexure hinge mechanism.
Background technology
Various materials in the commercial production, parts, member are so that complete machine or whole buildings all need the process vibration test could determine their mechanical property.Vibration test table is as a kind of typical vibration condition or simulation reconstruction environment of providing in the laboratory, in order to check and to estimate the code test equipment of all kinds of design library part editor and reuses or plant machinery mechanical property, occupy considerable status in the national economic development, its development level has reflected the industrial development level of a country to a certain extent.The application of vibration test table is very extensive, can be used for the calibration of sensor, is used for the customary vibration test of product, can be used for earthquake simulation, can also be used for a plurality of fields such as military and civil engineering work.
The vibration test table system that is used for vibration test can be divided three classes from exciting mode: mechanical type vibration test table, electric-liquid type vibration test table and electromagnetic type vibration test table.The characteristics 1 of mechanical type vibration test table) advantage: simple in structure, easy installation, cost are lower, utilization and easy to maintenance, can carry out the test of long period; 2) shortcoming: frequency range is little, waveform distortion is big, can not adopt FEEDBACK CONTROL, be difficult to realize random vibration and the synchronous operation of several mechanical type vibration test table.The characteristics of electricity liquid vibration test table: 1) advantage: exciting force big (can up to 10000kN), load-bearing capacity is big, amplitude is big (displacement can reach 2.5m), the lower limit of frequency of operation can reach zero hertz, and can obtain very big exciting force under very low frequency; 2) shortcoming: high frequency performance is relatively poor, and upper limit frequency of operation is low, only is used at low frequency range and intermediate frequency zone to carry out vibration test.The characteristics of electromagnetic type vibration test table: 1) advantage: operating frequency range is big, can reach 10kHz, and waveform distortion is little, and control is convenient, can adopt FEEDBACK CONTROL, realizes definite value vibration and random vibration, and several electric and magnetic oscillation test boards carry out synchronous operation; 2) shortcoming: the exciting force of separate unit and amplitude are big inadequately, and table top has the influence of leakage field phenomenon, and price is expensive, and maintenance is complicated.Because the motion singularity of angular oscillation test, above-mentioned shaking table are not suitable for the angular oscillation test, the test bandwidth of existing angular oscillation test board is restricted.
The utility model content
The technical problems to be solved in the utility model just is: at the technical matters that prior art exists, the utility model provides a kind of simple and compact for structure, with low cost, assembling is simple, working stability is reliable, measuring accuracy is high angular oscillation test board based on flexure hinge mechanism.
For solving the problems of the technologies described above, the utility model by the following technical solutions.
A kind of angular oscillation test board based on flexure hinge mechanism, it is characterized in that: comprise base and be fixed in two voice coil motors, flexure hinge mechanism and vibration-testing worktable on the base, described two voice coil motors are symmetrically arranged in the both sides of flexure hinge mechanism, described vibration-testing stage support is on flexure hinge mechanism, and the output terminal of described voice coil motor links to each other with vibration-testing worktable bottom.
As further improvement of the utility model:
Described flexure hinge mechanism is a circular arc flexible hinge spare.
The hinge width size b of described circular arc flexible hinge spare is greater than the size t at hinge minimum thickness place.
Be equiped with on the described base and detect the current vortex sensor that the vibration-testing operating position changes.
Described voice coil motor comprises voice coil motor mover and voice coil motor stator, offers the motor mounting hole that is used for installing the voice coil motor stator on the described base, and described voice coil motor mover links to each other with the vibration-testing worktable by link.
Compared with prior art, advantage of the present utility model just is:
1, the utility model is based on the angular oscillation test board of flexure hinge mechanism, simple and compact for structure, with low cost, assembling is simple, working stability is reliable, measuring accuracy is high, it has the function of rotating along the axis of flexure hinge mechanism, angular oscillation test bandwidth can reach more than the 100Hz, can realize natural frequency test, the drift test under the dither, the two frequencys multiplication test of flexible gyroscope and the test of other high precision components and parts dither performances of the rate gyro in the high-frequency range.
2, the utility model is based on the angular oscillation test board of flexure hinge mechanism, have the advantage that many conventional rigid mechanism does not have, as have no backlash, do not have friction, many advantages such as no gap, noiseless, power consumption are low, nothing wearing and tearing, little, in light weight, the easy processing of bulk, easy assembling, autokinesis height.The type of flexure hinge mechanism is a single-degree-of-freedom circular arc type flexible hinge, can guarantee that the angle pivot center fixes angle rotational motion resolution height.The more traditional kind of drive of voice coil motor transmission has remarkable advantages, as simple in structure, precision is high, speed is fast, noise is low, good heat dissipation etc.Simultaneously, the utility model has high bandwidth, high precision, light-weighted characteristics based on the angular oscillation test board of flexure hinge mechanism.
3, the utility model is based on the angular oscillation test board of flexure hinge mechanism, can realize the dither test of single-degree-of-freedom, it adopts Dual-motors Driving and flexible hinge to support, and device is carried out servocontrol, range by the position feedback of current vortex sensor: 〉=1 °; Amplitude-frequency bandwidth: 〉=250Hz; Angle position resolution :≤1 ".
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an assembling synoptic diagram of the present utility model;
Fig. 3 is the structural representation after the utility model removes the vibration-testing worktable;
Fig. 4 is the structural representation of the utility model longitudinal section;
Fig. 5 is the scheme of installation of flexure hinge mechanism and base in the utility model;
Fig. 6 is the structural representation of flexure hinge mechanism in the utility model;
Fig. 7 is the side-looking structural representation of flexure hinge mechanism in the utility model.
Marginal data
1, base; 11, motor mounting hole; 2, voice coil motor; 21, voice coil motor mover; 22, voice coil motor stator; 3, link; 4, current vortex sensor; 5, flexure hinge mechanism; 6, vibration-testing worktable.
Embodiment
Below with reference to specific embodiment and Figure of description the utility model is described in further details.
As Fig. 1, Fig. 2, Fig. 3, Fig. 4 and shown in Figure 5, the utility model comprises base 1 based on the angular oscillation test board of flexure hinge mechanism and is fixed in two voice coil motors 2, flexure hinge mechanism 5 and vibration-testing worktable 6 on the base 1, two voice coil motors 2 are symmetrically arranged in the both sides of flexure hinge mechanism 5, and vibration-testing worktable 6 is supported on the flexure hinge mechanism 5.Referring to Fig. 6 and Fig. 7; this flexure hinge mechanism 5 adopts circular arc flexible hinge spare in the present embodiment; can guarantee that the angle pivot center fixes; angle rotational motion resolution height; by to its design of structural size; the hinge width size b of flexible hinge spare is greater than the size t at hinge minimum thickness place in the flexure hinge mechanism 5, and the angle rotational stiffness is much smaller than the rigidity of other directions, and gap L has corner stroke defencive function.Flexure hinge mechanism 5 can adopt the same material integral cutting to form.Voice coil motor 2 is made up of voice coil motor mover 21 and voice coil motor stator 22, offer the motor mounting hole 11 that is used for installing voice coil motor stator 22 on the base 1, voice coil motor mover 21 links to each other with vibration-testing worktable 6 by link 3, and voice coil motor mover 21 is used for to vibration-testing worktable 6 application of forces.The thrust of voice coil motor 2 passes to flexure hinge mechanism 5 by link 3, vibration-testing worktable 6, and rotate at the angle that is converted into flexure hinge mechanism 5, and whole angular oscillation test board has the advantages that to rotate along the axis of flexure hinge mechanism 5.Be equiped with current vortex sensor 4 on the base 1, it is arranged in the outside of voice coil motor 2, by detecting the change in location of vibration-testing worktable 6 and current vortex sensor 4, provides servo-controlled angle position feed back signal.
The above only is a preferred implementation of the present utility model, and protection domain of the present utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to protection domain of the present utility model.Should be pointed out that for those skilled in the art in the some improvements and modifications that do not break away under the utility model principle prerequisite, these improvements and modifications also should be considered as protection domain of the present utility model.
Claims (6)
1. angular oscillation test board based on flexure hinge mechanism, it is characterized in that: comprise base (1) and be fixed in two voice coil motors (2), flexure hinge mechanism (5) and vibration-testing worktable (6) on the base (1), described two voice coil motors (2) are symmetrically arranged in the both sides of flexure hinge mechanism (5), described vibration-testing worktable (6) is supported on the flexure hinge mechanism (5), and the output terminal of described voice coil motor (2) links to each other with vibration-testing worktable (6) bottom.
2. the angular oscillation test board based on flexure hinge mechanism according to claim 1 is characterized in that: described flexure hinge mechanism (5) is a circular arc flexible hinge spare.
3. the angular oscillation test board based on flexure hinge mechanism according to claim 2 is characterized in that: the hinge width size b of described circular arc flexible hinge spare is greater than the size t at hinge minimum thickness place.
4. according to claim 1 or 2 or 3 described angular oscillation test boards, it is characterized in that: be equiped with the current vortex sensor (4) that detects vibration-testing worktable (6) change in location on the described base (1) based on flexure hinge mechanism.
5. according to claim 1 or 2 or 3 described angular oscillation test boards based on flexure hinge mechanism, it is characterized in that: described voice coil motor (2) comprises voice coil motor mover (21) and voice coil motor stator (22), offer the motor mounting hole (11) that is used for installing voice coil motor stator (22) on the described base (1), described voice coil motor mover (21) links to each other with vibration-testing worktable (6) by link (3).
6. the angular oscillation test board based on flexure hinge mechanism according to claim 4, it is characterized in that: described voice coil motor (2) comprises voice coil motor mover (21) and voice coil motor stator (22), offer the motor mounting hole (11) that is used for installing voice coil motor stator (22) on the described base (1), described voice coil motor mover (21) links to each other with vibration-testing worktable (6) by link (3).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201027121U CN201600231U (en) | 2010-01-27 | 2010-01-27 | Angular vibration test table based on flexible hinge mechanism |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2010201027121U CN201600231U (en) | 2010-01-27 | 2010-01-27 | Angular vibration test table based on flexible hinge mechanism |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201600231U true CN201600231U (en) | 2010-10-06 |
Family
ID=42811293
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN2010201027121U Expired - Fee Related CN201600231U (en) | 2010-01-27 | 2010-01-27 | Angular vibration test table based on flexible hinge mechanism |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN201600231U (en) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102374929A (en) * | 2011-09-21 | 2012-03-14 | 清华大学 | Broadband angular vibration exciting device |
CN104316077A (en) * | 2014-08-26 | 2015-01-28 | 中国科学院长春光学精密机械与物理研究所 | Information real-time measure system for table-top angle position of angular vibration table |
CN106052982A (en) * | 2016-05-19 | 2016-10-26 | 上海航天控制技术研究所 | Complex stiffness testing system of visco-elastic damper used for vibration reduction of solar panel |
CN106644340A (en) * | 2016-12-29 | 2017-05-10 | 重庆大学 | Angular vibration platform |
CN106895948A (en) * | 2017-01-17 | 2017-06-27 | 同济大学 | It is a kind of that the shaking table model device that oscillatory load is toppled in earthquake is provided |
CN108153345A (en) * | 2017-12-25 | 2018-06-12 | 北京航空航天大学 | Photoelectric nacelle based on reaction force is surely as control device and control method |
CN108146647A (en) * | 2017-12-25 | 2018-06-12 | 北京航空航天大学 | Photoelectric nacelle based on opposing torque is surely as control device and control method |
CN110907110A (en) * | 2019-12-26 | 2020-03-24 | 中国科学院长春光学精密机械与物理研究所 | Angle vibration table combining rigidity and flexible guiding |
CN117949155A (en) * | 2024-03-26 | 2024-04-30 | 中国科学院苏州生物医学工程技术研究所 | Flexible hinge rigidity detection method |
-
2010
- 2010-01-27 CN CN2010201027121U patent/CN201600231U/en not_active Expired - Fee Related
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102374929B (en) * | 2011-09-21 | 2014-04-16 | 清华大学 | Broadband angular vibration exciting device |
CN102374929A (en) * | 2011-09-21 | 2012-03-14 | 清华大学 | Broadband angular vibration exciting device |
CN104316077A (en) * | 2014-08-26 | 2015-01-28 | 中国科学院长春光学精密机械与物理研究所 | Information real-time measure system for table-top angle position of angular vibration table |
CN104316077B (en) * | 2014-08-26 | 2017-02-15 | 中国科学院长春光学精密机械与物理研究所 | Information real-time measure system for table-top angle position of angular vibration table |
CN106052982A (en) * | 2016-05-19 | 2016-10-26 | 上海航天控制技术研究所 | Complex stiffness testing system of visco-elastic damper used for vibration reduction of solar panel |
CN106644340B (en) * | 2016-12-29 | 2018-09-11 | 重庆大学 | A kind of angle vibration table |
CN106644340A (en) * | 2016-12-29 | 2017-05-10 | 重庆大学 | Angular vibration platform |
CN106895948A (en) * | 2017-01-17 | 2017-06-27 | 同济大学 | It is a kind of that the shaking table model device that oscillatory load is toppled in earthquake is provided |
CN106895948B (en) * | 2017-01-17 | 2019-09-27 | 同济大学 | A kind of shaking table model device that earthquake is provided and topples oscillatory load |
CN108146647A (en) * | 2017-12-25 | 2018-06-12 | 北京航空航天大学 | Photoelectric nacelle based on opposing torque is surely as control device and control method |
CN108146647B (en) * | 2017-12-25 | 2019-02-01 | 北京航空航天大学 | Photoelectric nacelle based on opposing torque is surely as control device and control method |
CN108153345A (en) * | 2017-12-25 | 2018-06-12 | 北京航空航天大学 | Photoelectric nacelle based on reaction force is surely as control device and control method |
CN110907110A (en) * | 2019-12-26 | 2020-03-24 | 中国科学院长春光学精密机械与物理研究所 | Angle vibration table combining rigidity and flexible guiding |
CN110907110B (en) * | 2019-12-26 | 2021-03-19 | 中国科学院长春光学精密机械与物理研究所 | Angle vibration table combining rigidity and flexible guiding |
CN117949155A (en) * | 2024-03-26 | 2024-04-30 | 中国科学院苏州生物医学工程技术研究所 | Flexible hinge rigidity detection method |
CN117949155B (en) * | 2024-03-26 | 2024-06-07 | 中国科学院苏州生物医学工程技术研究所 | Flexible hinge rigidity detection method |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN201600231U (en) | Angular vibration test table based on flexible hinge mechanism | |
CN104565191B (en) | Double-intelligent flexible beam device based on driving and oscillating of planetary reducer | |
CN102011799B (en) | High-reliability energy storage flywheel magnetic bearing digital control system | |
CN203908574U (en) | Low-frequency calibration vibration bench | |
CN106896851B (en) | A kind of rotation and the mobile double-flexibility beam control device and method directly driven | |
CN201935796U (en) | Triaxial mechanical decoupling device and vibration test system | |
CN103925940A (en) | Low frequency calibration vibrating table | |
CN110646165B (en) | Push-swing combined wave generating device and wave generating method thereof | |
CN200979494Y (en) | An alternative-current dynamometer for engine loading testing | |
CN103645025B (en) | Three-way vibration testing machine based on cam mechanism | |
CN109655222B (en) | Novel vibrating table | |
CN202393562U (en) | Supporting type soft bearing and hard bearing integrated multifunctional dynamic balancing machine | |
WO2023077736A1 (en) | Energy storage type water turbine motion simulation experiment device and control method therefor | |
CN103566804B (en) | A kind of modified cyclotron oscillation device | |
CN104075864A (en) | Perpendicular vibration table with adjustable output frequency | |
CN112509438A (en) | Mass-spring-damping multi-parameter tuning experimental method | |
CN103199631B (en) | Utilize rotor energy-storage system and the energy storage method of eddy energy | |
CN204008053U (en) | The adjustable vertical vibration table of a kind of output frequency | |
CN102261992A (en) | Spiral bevel gear coupling transmission testing stand structure possessing variable-stiffness elastic support | |
CN104729851B (en) | A kind of simulation of wind energy conversion system planetary gear complex working condition and test device | |
CN216523829U (en) | Angular displacement sensor life test device | |
CN103091118A (en) | Test board for testing overload composite environment | |
CN212458824U (en) | Three-degree-of-freedom vibration table | |
CN204403145U (en) | A kind of radial permanent magnet bearing of aiding support | |
CN111641351B (en) | Vortex vibration piezoelectric power generation device with broadband energy collection function |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
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: 20101006 Termination date: 20130127 |