CN105157944A - Three-translation one-rotation multi-dimensional vibration platform - Google Patents
Three-translation one-rotation multi-dimensional vibration platform Download PDFInfo
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- CN105157944A CN105157944A CN201510632713.4A CN201510632713A CN105157944A CN 105157944 A CN105157944 A CN 105157944A CN 201510632713 A CN201510632713 A CN 201510632713A CN 105157944 A CN105157944 A CN 105157944A
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Abstract
The invention relates to the field of space multidimensional vibration platform, in particular to a three-translation one-rotation multi-dimensional vibration platform composed of a vibration tableboard, spherical steel wire rope springs, brackets, a three-translation one-rotation series-parallel connection mechanism, a vibration excitation mechanism, inner hexagon screws and a bottom plate. Through automatically controlling magnitudes and changing rules of horizontal pitching angles and vertical azimuth angles of a uniaxial vibration exciter, the vibration environment simulation in arbitrary combination of three-translation one-rotation (vertical rotation) directions is achieved. The three-translation one-rotation multi-dimensional vibration platform which has the advantages of simple structure, low cost, simple maintenance, convenient use and easy popularization and application is provided for the technical fields of liquid molding technology of metal and nonmetal materials, powder state molding technology of metal and nonmetal materials, stress relief of weldments and castings, screening of agricultural products and chemical raw materials, mechanical environment vibration tests and the like.
Description
Technical field:
The present invention relates to Spatial Multi-Dimensional shaking platform field, implementation space three translation one simultaneously can rotate multi-dimensional vibration.
Background technology:
In recent years, along with vibrotechnique is at the powdered form moulding process of the liquid condition shaping technique of metal and nonmetallic materials, metal and nonmetallic materials, weldment with casting stress is eliminated, the deepening continuously of the technical field applied research such as screening, mechanical environment vibration test of agricultural product and chemical raw material, the advantage of multi-dimensional vibration more and more obtains the accreditation of scientific worker, and the research of multi-dimensional vibration platform technology becomes the study hotspot of vibrotechnique in recent years.As a kind of four-freedom hybrid vibratory screening apparatus (patent No.: 200920143613), parallel device multiple-dimensional vibration platform (the patent No.: 200710022938), a kind of four-degree-of-freedom connected vibrating casting machine (patent No.: 201110027373.4), a kind of four-degree-of-freedom connected vibrating casting machine (patent No.: 201120024458.2), three-dimensional parallel-connected vibrating casting machine (the patent No.: 201120089524.4), bindiny mechanism's (patent No.: 200820005028.4) of jigging platform three-way excitation platform, plane static pressure type passes shake decoupling device and three-axial vibration composite testing platform (application number: 201210343875.2) etc.
Above-mentioned multi-dimensional vibration platform all adopts parallel institution to be main body physical construction, employing vibrating motor or uniaxially vibrator substitute parallel institution driving link, the uniaxially vibration of being installed at each for parallel institution driving link place is after parallel institution constraints conversion, the multiaxis vibration compound forming shaking platform exports, due to the uniaxially vibrations synthesis that its multiaxis vibration realized is all along determining coordinate system direction, need to adopt complicated control system and multiple uniaxially vibrator, cause its complex structure, cost high, safeguard and use inconvenience, be difficult to apply.
Summary of the invention:
The object of the invention is for the powdered form moulding process of the liquid condition shaping technique of metal and nonmetallic materials, metal and nonmetallic materials, weldment and casting stress is eliminated, the technical field such as screening, mechanical environment vibration test of agricultural product and chemical raw material provides that a kind of structure is simple, cost is low, safeguard and multi-dimensional vibration platform is rotated in three translations one that are easy to use, that easily apply.
In order to realize above object, the present invention realizes by the following technical solutions.
Multi-dimensional vibration platform is rotated in a kind of three translations one, rotates serial parallel mechanism, exciting agency, socket head cap screw, base plate form by vibration table, spherical wire rope spring, support, three translations one; Described three translations one are rotated serial parallel mechanism and are made up of parallel institution moving platform, bearing pin, connecting rod A, connecting rod B, set nut; Described exciting agency is made up of vibrator connecting link, uniaxially vibrator, arc orbit drive system, arc orbit installing plate, worm and gear drive system; Wherein spherical wire rope spring, support, base plate are fixedly connected with formation platform base by socket head cap screw from top to down, and shaking platform has four spherical wire rope springs to form six axial elasticities supports; Described three translations one are rotated serial parallel mechanism and are had three translations one and rotate (vertical rotation) degree of freedom, carry out kinematic constraint to shaking platform, make shaking platform only have three translations one and rotate (vertical rotation) vibration and export; Described exciting agency adopts uniaxially vibrator excitation, its exciting force direction has the automatic regulation function of horizontal elevation-depression angle, vertical orientation angles size and Changing Pattern thereof, realizes the vibration environment simulation that (vertical rotation) direction combination in any is rotated in three translations one.
Structure of the present invention is simple, cost is low, assemble, adjust, safeguard simple, the vibration environment simulation that (vertical rotation) direction combination in any is rotated in three translations one can be realized, meet the liquid condition shaping technique of metal and nonmetallic materials, the powdered form moulding process of metal and nonmetallic materials, weldment is eliminated with casting stress, agricultural product are different with the technical field such as screening, mechanical environment vibration test of chemical raw material request for utilization.
Accompanying drawing illustrates:
Fig. 1 is present system structural drawing;
Fig. 2 is that serial parallel mechanism structural drawing is rotated in three translations one;
Fig. 3 is that serial parallel mechanism branched structure figure is rotated in three translations one;
Fig. 4 is exciting agency structural drawing
In figure: 1. vibration table; 2. spherical wire rope spring; 3. support; 4. serial parallel mechanism is rotated in three translations one; 5. exciting agency; 6. socket head cap screw; 7. base plate; 8. parallel institution moving platform; 9. bearing pin; 10. connecting rod A; 11. connecting rod B; 12. set nuts; 13. vibrator connecting links; 14. uniaxially vibrators; 15. arc orbit drive systems; 16. arc orbit installing plates; 17. worm and gear drive systems.
Embodiment:
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, multi-dimensional vibration platform is rotated in a kind of three translations one, rotates serial parallel mechanism 4, exciting agency 5, socket head cap screw 6, base plate 7, parallel institution moving platform 8, bearing pin 9, connecting rod A10, connecting rod B11, set nut 12, vibrator connecting link 13, uniaxially vibrator 14, arc orbit drive system 15, arc orbit installing plate 16, worm and gear drive system 17 form by shaking platform 1, spherical wire rope spring 2, support 3, three translation one.Wherein: shaking platform 1 is fixed on the end face of spherical wire rope spring 2 by socket head cap screw 6, the underrun socket head cap screw 6 of spherical wire rope spring 2 is fixed on support 3 end face, support 3 underrun socket head cap screw 6 is fixed on the upper surface of base plate 7, makes shaking platform 1 form six axial elasticities and supports, it is that shaking platform 1 directly contacts with parallel institution moving platform 8 cylindrical pair (C) formed that serial mechanism in serial parallel mechanism 4 is rotated in described three translations one, parallel institution is made up of four RRR side chains and symmetry is uniform, form the kinematic constraint of shaking platform 1, make shaking platform 1 only have three translations one and rotate (vertical rotation) vibration output, described RRR side chain is made up of support 3, parallel institution moving platform 8, bearing pin 9, connecting rod A10, connecting rod B11, set nut 12, wherein parallel institution moving platform 8 connects connecting rod A10 by bearing pin 9 and forms revolute pair, connecting rod A10 connects connecting rod B11 by bearing pin 9 and forms revolute pair, connecting rod B11 is by bearing pin 9 connection bracket 3 and form revolute pair, and bearing pin 9 upper end square toes, lower end are threaded and are fixed by set nut 12, described exciting agency 5 is by vibrator connecting link 13, uniaxially vibrator 14, arc orbit drive system 15, arc orbit installing plate 16, worm and gear drive system 17 forms, realize the vibration environment simulation that (vertical rotation) direction combination in any is rotated in three translations one, the revolute pair that wherein vibrator connecting link 13 and shaking platform 1 form axes normal direction is connected, the revolute pair that vibrator connecting link 13 and uniaxially vibrator 14 form axis horizontal direction is connected, uniaxially vibrator 14 is fixedly connected with by socket head cap screw 6 with circular arc slide block in arc orbit drive system 15, in arc orbit drive system 15, arc orbit is fixedly connected with by socket head cap screw 6 with arc orbit installing plate 16, arc orbit installing plate 16 is fixedly connected with by socket head cap screw 6 with worm gear in worm and gear drive system 17, the revolute pair that in worm and gear drive system 17, worm gear and base plate 7 form axes normal direction is connected, worm screw supports and drive motor is fixedly connected with by socket head cap screw 6 with base plate 7, in described arc orbit drive system 15, arc orbit is with internal gear teeth, circular arc slide block is fixed with little outer rotor and drive motor, drive circular arc slide block to swing along arc orbit by internal gear transmission, regulate horizontal elevation-depression angle size and the Changing Pattern thereof of uniaxially vibrator 14, described worm and gear drive system 17 regulates vertical orientation angles size and the Changing Pattern thereof of uniaxially vibrator 14 by worm drive.
More than show and describe ultimate principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; what describe in above-described embodiment and instructions just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.Application claims protection domain is defined by appending claims and equivalent thereof.
Claims (4)
1. a multi-dimensional vibration platform is rotated in three translations one, rotates serial parallel mechanism 4, exciting agency 5, socket head cap screw 6, base plate 7 form by shaking platform 1, spherical wire rope spring 2, support 3, three translation one.Described shaking platform 1 is fixed on the end face of spherical wire rope spring 2 by socket head cap screw 6, the underrun socket head cap screw 6 of spherical wire rope spring 2 is fixed on support 3 end face, support 3 underrun socket head cap screw 6 is fixed on the upper surface of base plate 7, makes shaking platform 1 form six axial elasticities and supports; Described three translations one are rotated serial parallel mechanism 4 and are formed cylindrical pair with shaking platform 1 and be connected, and three translations one are rotated serial parallel mechanism 4 and formed revolute pair with support 3 and be connected; The revolute pair that described exciting agency 5 and shaking platform 1 form axes normal direction is connected, and the revolute pair that exciting agency 5 forms axes normal direction with base plate 7 is connected.
2. multi-dimensional vibration platform is rotated in a kind of three translations one according to claim 1, it is characterized in that: three described translations one rotate serial parallel mechanism 4 by shaking platform 1, support 3, parallel institution moving platform 8, bearing pin 9, connecting rod A10, connecting rod B11, set nut 12 forms, serial mechanism in serial parallel mechanism 4 is rotated in three translations one, and to be shaking platform 1 with parallel institution moving platform 8 directly contact forms cylindrical pair and connect, there is a rotation one and move two-freedom, it is four uniform side chain compositions of the identical symmetry of structure that parallel institution in serial parallel mechanism 4 is rotated in three translations one, there are two translation one rotational freedoms, the kinematic constraint that serial parallel mechanism 4 forms shaking platform 1 is rotated in whole three translations one, make shaking platform 1 only have three translations one and rotate (vertical rotation) vibration output, in described four uniform side chains of the identical symmetry of structure, every bar side chain forms by support 3, parallel institution moving platform 8, bearing pin 9, connecting rod A10, connecting rod B11, set nut 12, wherein parallel institution moving platform 8 connects connecting rod A10 by bearing pin 9 and forms revolute pair, connecting rod A10 connects connecting rod B11 by bearing pin 9 and forms revolute pair, connecting rod B11 is by bearing pin 9 connection bracket 3 and form revolute pair, and bearing pin 9 upper end square toes, lower end are threaded and are fixed by set nut 12.
3. according to claim 1, multi-dimensional vibration platform is rotated in one three translation one described in 2, it is characterized in that: described exciting agency 5 is by shaking platform 1, socket head cap screw 6, base plate 7, vibrator connecting link 13, uniaxially vibrator 14, arc orbit drive system 15, arc orbit installing plate 16, worm and gear drive system 17 forms, the revolute pair that wherein vibrator connecting link 13 and shaking platform 1 form axes normal direction is connected, the revolute pair that vibrator connecting link 13 and uniaxially vibrator 14 form axis horizontal direction is connected, uniaxially vibrator 14 is fixedly connected with by socket head cap screw 6 with circular arc slide block in arc orbit drive system 15, in arc orbit drive system 15, arc orbit is fixedly connected with by socket head cap screw 6 with arc orbit installing plate 16, arc orbit installing plate 16 is fixedly connected with by socket head cap screw 6 with worm gear in worm and gear drive system 17, the revolute pair that in worm and gear drive system 17, worm gear and base plate 7 form axes normal direction is connected, worm screw supports and drive motor is fixedly connected with by socket head cap screw 6 with base plate 7.
4. multi-dimensional vibration platform is rotated in one three translation one according to claim 1,2,3, it is characterized in that: in described arc orbit drive system 15, arc orbit is with internal gear teeth, circular arc slide block is fixed with little outer rotor and drive motor, drive circular arc slide block to swing along arc orbit by internal gear transmission, regulate horizontal elevation-depression angle size and the Changing Pattern thereof of uniaxially vibrator 14; Described worm and gear drive system 17 regulates vertical orientation angles size and the Changing Pattern thereof of uniaxially vibrator 14 by worm drive.
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| CN201510632713.4A CN105157944A (en) | 2015-09-30 | 2015-09-30 | Three-translation one-rotation multi-dimensional vibration platform |
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| CN201510632713.4A CN105157944A (en) | 2015-09-30 | 2015-09-30 | Three-translation one-rotation multi-dimensional vibration platform |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107462386A (en) * | 2017-10-10 | 2017-12-12 | 中国地震局工程力学研究所 | Small shaped steel frame counter force wall |
| CN112098089A (en) * | 2020-08-21 | 2020-12-18 | 北京航空航天大学 | Rolling bearing life test bed with multi-dimensional excitation load |
| CN112763217A (en) * | 2021-01-26 | 2021-05-07 | 北京航空航天大学 | Rolling bearing test mechanism for realizing multi-dimensional excitation loading |
| CN113564330A (en) * | 2021-07-15 | 2021-10-29 | 马鞍山市恒利达机械刀片有限公司 | High-toughness internal stress eliminating device for machining circular serrated knife and implementation method thereof |
| CN114088390A (en) * | 2021-11-15 | 2022-02-25 | 江苏科技大学 | Turbine mechanical foundation variable acceleration motion simulation test platform and motion simulation method |
| CN114550566A (en) * | 2021-12-23 | 2022-05-27 | 合肥磐石自动化科技有限公司 | Visual recognition-based control method and system for ping-pong device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107462386A (en) * | 2017-10-10 | 2017-12-12 | 中国地震局工程力学研究所 | Small shaped steel frame counter force wall |
| CN112098089A (en) * | 2020-08-21 | 2020-12-18 | 北京航空航天大学 | Rolling bearing life test bed with multi-dimensional excitation load |
| CN112098089B (en) * | 2020-08-21 | 2021-05-14 | 北京航空航天大学 | Rolling bearing life test bed with multi-dimensional excitation load |
| CN112763217A (en) * | 2021-01-26 | 2021-05-07 | 北京航空航天大学 | Rolling bearing test mechanism for realizing multi-dimensional excitation loading |
| CN113564330A (en) * | 2021-07-15 | 2021-10-29 | 马鞍山市恒利达机械刀片有限公司 | High-toughness internal stress eliminating device for machining circular serrated knife and implementation method thereof |
| CN114088390A (en) * | 2021-11-15 | 2022-02-25 | 江苏科技大学 | Turbine mechanical foundation variable acceleration motion simulation test platform and motion simulation method |
| CN114550566A (en) * | 2021-12-23 | 2022-05-27 | 合肥磐石自动化科技有限公司 | Visual recognition-based control method and system for ping-pong device |
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Application publication date: 20151216 |