CN103910034B - A kind of head that forces for platform hydrodynamic model shakes oscillation device - Google Patents
A kind of head that forces for platform hydrodynamic model shakes oscillation device Download PDFInfo
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- CN103910034B CN103910034B CN201310732387.5A CN201310732387A CN103910034B CN 103910034 B CN103910034 B CN 103910034B CN 201310732387 A CN201310732387 A CN 201310732387A CN 103910034 B CN103910034 B CN 103910034B
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- oscillation device
- shakes
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Abstract
The invention discloses a kind of head that forces for platform hydrodynamic model and shake oscillation device, comprise stay bearing plate, framework, drop-gear box, disk, pillar, servomotor, belt conveyor, servomotor and framework are fixed on below stay bearing plate, the power of servomotor exports from machine shaft, drop-gear box is passed to by belt conveyor and drop-gear box rotating shaft, disk is connected with the vertical pivot of drop-gear box, and disk and platform are fixed by pillar.Velocity of rotation and the amplitude of platform is adjusted by the rotating speed and amplitude controlling servomotor.This apparatus structure is simple, definite functions, can simulate offshore platform model more accurately in horizontal surface, force first shake to swing, more meet ocean engineering reality by the combination of servomotor and worm and gear.
Description
Technical field
The present invention relates to a kind of experimental set-up for Naval Architecture and Ocean Engineering field, be specifically related to a kind of head that forces for platform hydrodynamic model in Naval Architecture and Ocean Engineering model test and shake oscillation device.
Background technology
Model test is as a kind of important research method in Naval Architecture and Ocean Engineering field, and for the hydrodynamic performance of accurate forecast ocean structure, design has the ocean structure of super performance, has great significance.Major part ocean structure all can carry out model test to measure himself correlation parameter and its motor imagination under relevant sea situation before manufacture, assesses its performance.
The six-freedom motion of platform is respectively: surging, swaying, and hang down and swing, rolling, pitching and head shake.Head shakes motion as a kind of basic exercise, very important in actual sea situation.In model test, usually need the head testing ocean structure to shake Relative motility parameters.
Retrieve according to existing technical materials, the invention that Wu Jun is similar with encouraging fragrant Chinese patent literature CN101920763A, CN101920764A, the CN101920765A tri-completed of merit, by meeting bearing, worm and gear, circumference guide rail, head shakes servomotor, the rotating mechanism of the composition such as coder and pipe link, the head that can simulate ship model shakes motion.But this systematic comparison is complicated, because it can also realize swaying motion, so this device is larger.Further, from information disclosed in State Patent Office, do not see that it can realize forcing first shake to swing.Do not find that similar techniques is applied to the open source literature of this area through further retrieval.
Therefore, those skilled in the art is devoted to a kind of more effectively more simply more economical ocean structure of exploitation and forces head to shake oscillation device.
Summary of the invention
For the deficiencies in the prior art, technical matters to be solved by this invention is to provide a kind of more effectively more simply more economical ocean structure and forces head to shake oscillation device.This device shakes motion amplitude and cireular frequency for the platform head that will simulate, and reaches by the rotation amplitude and rotating speed adjusting servomotor the object controlling platform motion.
For achieving the above object, the invention provides a kind of head that forces for platform hydrodynamic model and shake oscillation device, its principle of work is: device and platform are rigidly connected consistent with the rotating speed of assurance device top rotary table and platform.The rotational angular velocity of rotating disk and amplitude are controlled by servomotor and drop-gear box.When servomotor carrys out back rotation, the first shake that forces that namely disk on device does in horizontal surface with moving platform swings.
The head that forces for platform hydrodynamic model shakes an oscillation device, comprises stay bearing plate, framework, drop-gear box, disk, pillar, servomotor, belt conveyor; Servomotor to be positioned at below stay bearing plate and to fix with it, and servomotor is with machine shaft; Framework to be positioned at below stay bearing plate and to fix with it; Drop-gear box to be positioned at below framework and to fix with it, and drop-gear box is with drop-gear box rotating shaft and vertical pivot; Belt conveyor connects machine shaft and drop-gear box rotating shaft simultaneously, and the power of servomotor exports from machine shaft, passes to drop-gear box by belt conveyor and drop-gear box rotating shaft; Disk is positioned at the below of drop-gear box and is connected with vertical pivot; Pillar to be positioned at below disk and with disk place plane orthogonal, platform is located at below pillar, and one end and the disk of pillar are fixed, and the other end and platform are fixed.
Further, belt conveyor is toothed belts.Gear transmission band effectively can prevent the skidding in rotation process.
Further, drop-gear box is inner is worm and gear connection, and by drop-gear box, the rotation in vertical surface is converted into the rotation of horizontal surface.
Further, the rotating speed that disk and drop-gear box export is consistent.
Further, in drop-gear box, there is fixing reduction ratio, adjusted velocity of rotation and the amplitude of platform by the rotating speed and amplitude controlling servomotor.
Further, framework is U-shaped block form.
Further, pillar is hollow tubular.
Framework is set as block form and pillar is set as hollow tubular, under the prerequisite of proof strength, effectively can alleviate the weight of whole device, and saves material reduction manufacturing cost.
Further, stay bearing plate, framework, disk, pillar are made by metal material processing.Ensure to force head to shake intensity and the in-use performance of oscillation device.
Further, stay bearing plate, framework, disk, pillar are processed into by corrosion-resistant steel.I.e. proof strength and in-use performance, can use again well in wet environment, ensures service life.
Further, the whole head of forcing is shaken oscillation device and is fixedly connected with experiment carriage by described stay bearing plate.
Technique effect of the present invention is: make to control platform in model test and force first shake to swing to become possibility, principle is simple, and it is convenient to realize, and economy is also better than patent CN101920763A, method that CN101920764A, CN101920765A record.This apparatus structure is simple, definite functions, can simulate offshore platform model more accurately in horizontal surface, force first shake to swing, more meet ocean engineering reality by the combination of servomotor and worm and gear.
Be described further below with reference to the technique effect of accompanying drawing to design of the present invention, concrete structure and generation, to understand object of the present invention, characteristic sum effect fully.
Accompanying drawing explanation
Fig. 1 is that the head that forces of a preferred embodiment of the present invention shakes the three-dimensional structure schematic diagram of oscillation device;
Fig. 2 is the three-dimensional structure schematic diagram forcing head to shake another viewing angle of oscillation device shown in Fig. 1.
Detailed description of the invention
Fig. 1 is that the head that forces for platform hydrodynamic model of disclosure of the invention shakes the three-dimensional structure schematic diagram of an oscillation device preferred embodiment.Fig. 2 is the three-dimensional structure schematic diagram at another visual angle of device shown in Fig. 1.As depicted in figs. 1 and 2, a kind of head that forces for platform hydrodynamic model disclosed by the invention shakes oscillation device, comprises stay bearing plate 1, framework 2, drop-gear box 3, disk 4, pillar 5, servomotor 7, belt conveyor 9.Framework is U-shaped block form, and pillar is hollow tubular.Framework is set as block form and pillar is set as hollow tubular, under the prerequisite of proof strength, effectively can alleviate the weight of whole device, and saves material reduction manufacturing cost.Stay bearing plate, framework, disk, pillar are processed into by corrosion-resistant steel, i.e. proof strength and in-use performance, can use in wet environment well again, ensure service life.
Servomotor 7 is positioned at the below of stay bearing plate 1 and fixes with it, and servomotor 7 is with machine shaft 8.Framework 2 is positioned at the below of stay bearing plate 1 and fixes with it.Drop-gear box 3 is positioned at the below of framework 2 and fixes with it, and drop-gear box 3 is with drop-gear box rotating shaft 10 and vertical pivot (not marking in figure), and drop-gear box 3 is inner is worm and gear connection, and by drop-gear box 3, the rotation in vertical surface is converted into the rotation of horizontal surface.Belt conveyor 9 connects machine shaft 8 and drop-gear box rotating shaft 10 simultaneously, and the power of servomotor 7 exports from machine shaft 8, and pass to drop-gear box 3 by belt conveyor 9 and drop-gear box rotating shaft 10, belt conveyor 9 selects toothed belts, effectively can prevent the skidding in rotation process.Disk 4 is positioned at the below of drop-gear box 3 and is connected with vertical pivot, and the rotating speed that disk 4 and drop-gear box 3 export is consistent.Pillar 5 be positioned at disk 4 below and with disk 4 place plane orthogonal, platform 6 is located at below pillar 5, and one end of pillar 5 and disk 4 are fixed, and the other end is fixing with platform 6.
The working process forcing head to shake oscillation device for platform hydrodynamic model is: the whole head of forcing is shaken oscillation device and is fixedly connected with experiment carriage by stay bearing plate 2, drives platform 6 in horizontal surface, force first shake to swing by pillar 5.Servomotor 7 is by adjustment, and can do reciprocating rotation, rotation amplitude and speed all can adjust.There is fixing reduction ratio in drop-gear box 3, adjusted velocity of rotation and the amplitude of platform 6 by the rotating speed and amplitude controlling servomotor 7.
This apparatus structure is simple, definite functions, can simulate offshore platform model more accurately in horizontal surface, force first shake to swing, more meet ocean engineering reality by the combination of servomotor and worm and gear.
More than describe preferred embodiment of the present invention in detail.Should be appreciated that those of ordinary skill in the art just design according to the present invention can make many modifications and variations without the need to creative work.Therefore, all technical personnels in the art, all should by the determined protection domain of claims under this invention's idea on the basis of existing technology by the available technical scheme of logical analysis, reasoning, or a limited experiment.
Claims (10)
1. the head that forces for platform hydrodynamic model shakes an oscillation device, it is characterized in that, comprises stay bearing plate, framework, drop-gear box, disk, pillar, servomotor, belt conveyor; Described servomotor to be positioned at below described stay bearing plate and to fix with described stay bearing plate, and described servomotor is with machine shaft; Described framework to be positioned at below described stay bearing plate and to fix with described stay bearing plate; Described drop-gear box to be positioned at below described framework and to fix with described framework, and described drop-gear box is with drop-gear box rotating shaft, and described drop-gear box is also with vertical pivot; Described belt conveyor connects described machine shaft and described drop-gear box rotating shaft simultaneously, and the power of described servomotor exports from described machine shaft, passes to described drop-gear box by described belt conveyor and described drop-gear box rotating shaft; Described disk is positioned at the below of described drop-gear box and is connected with described vertical pivot; Described pillar to be positioned at below described disk and with described disk place plane orthogonal, platform is located at below described pillar, and one end and the described disk of described pillar are fixed, and the other end and the described platform of described pillar are fixed.
2. the head of forcing according to claim 1 shakes oscillation device, it is characterized in that, wherein said belt conveyor is toothed belts.
3. the head of forcing according to claim 1 shakes oscillation device, it is characterized in that, wherein said drop-gear box is inner is worm and gear connection, and by described drop-gear box, the rotation in vertical surface is converted into the rotation of horizontal surface.
4. the head of forcing according to claim 1 shakes oscillation device, it is characterized in that, the rotating speed that wherein said disk and described drop-gear box export is consistent.
5. the head of forcing according to claim 1 shakes oscillation device, it is characterized in that, has fixing reduction ratio in described drop-gear box, is adjusted the velocity of rotation of described platform by the rotating speed controlling described servomotor.
6. the head of forcing according to claim 1 shakes oscillation device, it is characterized in that, wherein said framework is U-shaped block form.
7. the head of forcing according to claim 1 shakes oscillation device, it is characterized in that, wherein said pillar is hollow tubular.
8. the head of forcing according to claim 1 shakes oscillation device, it is characterized in that, described stay bearing plate, described framework, described disk, described pillar are made by metal material processing.
9. the head of forcing according to claim 8 shakes oscillation device, it is characterized in that, described stay bearing plate, described framework, described disk, described pillar are processed into by corrosion-resistant steel.
10. the head of forcing according to claim 1 shakes oscillation device, it is characterized in that, forces head to shake oscillation device and be fixedly connected with experiment carriage by described stay bearing plate described in whole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310732387.5A CN103910034B (en) | 2013-12-26 | 2013-12-26 | A kind of head that forces for platform hydrodynamic model shakes oscillation device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310732387.5A CN103910034B (en) | 2013-12-26 | 2013-12-26 | A kind of head that forces for platform hydrodynamic model shakes oscillation device |
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| CN103910034A CN103910034A (en) | 2014-07-09 |
| CN103910034B true CN103910034B (en) | 2016-04-06 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106021629A (en) * | 2015-07-07 | 2016-10-12 | 国家海洋局海洋减灾中心 | Method and device for establishing security risk evaluation system in ocean and coastal environment |
| CN108254156B (en) * | 2018-01-22 | 2020-01-17 | 哈尔滨工程大学 | Intelligent rudder measurement and control device |
| CN108945291B (en) * | 2018-07-17 | 2020-05-05 | 青岛航讯网络技术服务有限公司 | Ship sea condition simulation device |
| CN110077526B (en) * | 2019-05-23 | 2021-01-05 | 哈尔滨哈船减摇自动化设备有限公司 | Rotatory auto-excitation of boats and ships is given birth to and is shaken device |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2017594B (en) * | 1978-03-29 | 1982-05-06 | Hydroconic Ltd | Model testing of vessels |
| CN85102109B (en) * | 1985-04-01 | 1986-12-10 | 大连冷冻机厂 | Three-dimensional comlex dodder device with single deck mesa |
| SU1541109A1 (en) * | 1987-11-23 | 1990-02-07 | Предприятие П/Я В-8662 | Device for simulating ship movement during testing in model basin |
| CN1491852A (en) * | 2003-09-04 | 2004-04-28 | 上海交通大学 | Ship motion simulator |
| CN101920764B (en) * | 2009-06-17 | 2014-09-10 | 上海诸光机械有限公司 | Platform type horizontal plane planar motion mechanism |
| KR101151888B1 (en) * | 2010-10-15 | 2012-05-31 | 한국해양연구원 | Measurement apparatus for seakeeping performance of submerged body in ocean engineering basin |
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