CN104252809B - A kind of simulated earthquake demonstration plateform system and demenstration method thereof - Google Patents
A kind of simulated earthquake demonstration plateform system and demenstration method thereof Download PDFInfo
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- CN104252809B CN104252809B CN201410478894.5A CN201410478894A CN104252809B CN 104252809 B CN104252809 B CN 104252809B CN 201410478894 A CN201410478894 A CN 201410478894A CN 104252809 B CN104252809 B CN 104252809B
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Abstract
The present invention proposes a kind of demonstration plateform system and demenstration method thereof of improved simulated earthquake. This simulated earthquake demonstration plateform system comprises operating system of user, simulation tomography sand table, damp type energy savings and delivery system, six degree of freedom suspension, simulation earth's surface sand table; Described operating system of user comprises two action bars, and each in two action bars is all connected with delivery system with described damp type energy savings; Described simulation tomography sand table is coupled to described damp type energy savings and delivery system; Described six degree of freedom suspension is arranged on described simulation tomography sand table; Described six degree of freedom suspension supports described simulation earth's surface sand table.
Description
Technical field
The present invention relates to a kind of for imparting knowledge to students, the demonstration plateform system of science popularization, more specifically, relate to oneDemonstration plateform system and the demenstration method thereof of simulated earthquake.
Background technology
In recent years, in China, earthquake takes place frequently, the formation of most people to earthquake and the shape of earthquake generationCondition is still in unknown state, thus psychologically to earthquake sense to fearing, in order to carry out earthquake to the publicScience popularization or experimental teaching, the current demo system that also has some simulated earthquakes.
Existing simulated earthquake demo system generally adopts hydraulic pressure or mechanical type shock platforms mode in analogShake. System comprises the structures such as electric power input, hydraulic pressure or mechanical arm transmission, props up by hydraulic cylinder or mechanical armSupport platform moves up and down. But existing simulated earthquake demo system, mostly by machinery or liquidPress transmission system, many connecting rods to connect support system, electric power input system composition. On the one hand, traditional earthquakePlatform demo system generally adopts the rigid connection such as cylinder, connecting rod structure, can only realize multiple frees degreeConstrained motion. On the other hand, traditional earthquake platform adopts the power supply modes such as hydraulic pressure, electric power, this sideFormula defect is: power consumption is large, and power discharges slowly, and vibrating effect is not true to nature. Therefore in analog existingThe shortcoming of shake demo system mainly contains: volume is large, conducts oneself with dignity high, energy consumption is large, shock platforms vibrations are stiff,The free degree is low, shakes situation while not meeting actual seismic.
Summary of the invention
The present invention, just in order to overcome above-mentioned defect, demonstrates platform and proposed a kind of improved simulated earthquakeSystem and demenstration method thereof.
On the one hand, embodiments of the invention provide a kind of simulated earthquake demonstration plateform system, comprise userOperating system, simulation tomography sand table, damp type energy savings and delivery system, six degree of freedom suspension,Simulation earth's surface sand table; Described operating system of user comprises two action bars, in two action bars each allBe connected with delivery system with described damp type energy savings; Described simulation tomography sand table is coupled to described resistanceBuddhist nun's formula energy savings and delivery system; Described six degree of freedom suspension is arranged on described simulation tomography sand tableOn; Described six degree of freedom suspension supports described simulation earth's surface sand table.
Wherein, described damp type energy savings and delivery system comprise the damp type energy for putting aside external forceSavings mechanism.
Wherein, described six degree of freedom suspension is symmetrical structure, in described six degree of freedom suspensionEach side includes support column, magnet to, support spring and roller set.
Wherein said support column is arranged on corresponding simulation tomography sand table; It is right that described support spring is arranged onOn the support column of answering; The magnet of described magnet centering is separately positioned on each support column towards inner sideAnd the corresponding side surface of the bottom projection of simulation earth's surface sand table, wherein right two magnets of each magnet are each otherRelatively; One side of described roller set is attached with corresponding support spring, and opposite side supports simulation surface sandDish.
Wherein said six degree of freedom suspension comprise two support columns, two magnets to, two support bulletsSpring and two roller set.
Wherein, described damp type energy savings and delivery system are symmetrical structure, and both sides include compression bulletSpring, spring loop bar, damping slide block, stage clip bearing, stroke limit plate.
Wherein, the action bars of described spring loop bar and operating system of user is set with, described spring loop barAnd between action bars, place described Compress Spring, the described spring loop bar described damping slide block that is coupled, described resistanceOne jiao of the close described stage clip bearing in Buddhist nun's slide block below is 45 degree chamferings, described stage clip bearing and described strokeLimiting plate is fixed on exhibition booth base.
The present invention also provides a kind of demenstration method that utilizes above-mentioned simulated earthquake demonstration plateform system, described inMethod comprises the following steps: promote action bars; Action bars is by connecting damp type energy savings and discharging systemSystem, makes the motive force of described action bars be absorbed by damp type energy savings and delivery system; When motive force reachesDuring to damp type energy savings and delivery system critical point, damping slide block is depressed stage clip bearing, fast forwardKnock stroke limit plate, described damp type energy savings and delivery system are discharged, thrust is released,Thereby drive described simulation tomography sand table motion; Described simulation tomography sand table hangs by described six degree of freedomThe support spring of system, magnet are to connecting analog earth's surface sand table, to drive described simulation earth's surface sand table to carry outSix degree of freedom autokinetic movement.
Wherein, in the first step, promote described action bars by user.
The present invention, by technique scheme, contributes to improve cognition and the human-computer interaction of operator to earthquakeProperty, the research of person to earthquake that simultaneously also contributes to seismic study.
Brief description of the drawings
Fig. 1 is the organigram of the simulated earthquake demonstration plateform system of the embodiment of the present invention; And
Fig. 2 is the structure of the six degree of freedom suspension of the simulated earthquake demonstration plateform system of the embodiment of the present inventionMake schematic diagram;
Fig. 3 show the embodiment of the present invention simulated earthquake demonstration plateform system damp type energy savings andDelivery system is the organigram of a side wherein;
Fig. 4 illustrates damp type energy savings delivery system effect sketch.
As shown in the figure, in order clearly to realize the structure of embodiments of the invention, marked in the drawings specificStructure and device, but this only for signal need, be not intended to limit the invention to this ad hoc structure,In device and environment, according to specific needs, those of ordinary skill in the art can be by these devices and ringBorder is adjusted or is revised, and the adjustment of carrying out or amendment are still included in accompanying claimIn scope.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, a kind of simulated earthquake provided by the invention is demonstrated to plateform systemAnd demenstration method is described in detail. Here do to illustrate, in order to make embodiment more simultaneouslyDetailed, the following examples are best, preferred embodiment, for some known technology art technology peopleMember also can adopt other alternative and implement; And accompanying drawing part is only in order to describe more specificallyEmbodiment, and be not intended to the present invention to carry out concrete restriction. Meanwhile, it should be noted that accompanying drawing onlyFor schematically, the size of its concrete parts must not provide by actual ratio. In addition, for this areaKnown technology, for example simple mechanical connection etc., will not repeat here.
Fig. 1 shows the organigram of the simulated earthquake demonstration plateform system of the embodiment of the present invention. As Fig. 1Shown in, simulated earthquake demonstration plateform system of the present invention mainly comprises operating system of user, simulation tomography sandDish, damp type energy savings and delivery system, six degree of freedom suspension, simulation earth's surface sand table. Wherein,Simulation tomography sand table links by six degree of freedom suspension with simulation earth's surface sand table, passes through operatorTo action bars move, energy input, cause the relative motion of simulation tomography sand table, through damp typeThe effect of energy savings and delivery system, makes to simulate tomography sand table and produces vibrations suddenly, and by sixFree degree suspension passes to simulation earth's surface sand table, makes it produce vibrations, when visual simulation earthquake occursThe motion conditions on earth's surface.
Operating system of user comprises action bars, and in a preferred embodiment of the invention, this action bars comprises twoIndividual, but it will be appreciated by persons skilled in the art that the quantity of action bars is not limited to this, can basisNeed and be set to any amount. In a preferred embodiment of the invention, described operating system of user comprisesTwo action bars, each in two action bars is all connected with delivery system with described damp type energy savingsConnect; Described simulation tomography sand table is coupled to damp type energy savings and delivery system. This damp type energy productHold with delivery system and comprise damp type energy savings mechanism, when the external force of savings exceedes damp type energy savingsAfter mechanics limit value, damp type energy savings mechanism is suddenly ineffective, and savings external force discharges suddenly, shapeBecome huge vibrating effect, thus the generation of simulated earthquake.
On simulation tomography sand table, be provided with six degree of freedom of the present invention described in detail below is hung to systemSystem. Six degree of freedom suspension supports simulation surface sand dish, as shown in the figure. For vivid description earthquakeSituation about occurring, also can be on simulation earth's surface sand table according to engineering mechanics, mechanics of materials equal proportion establishPut the objects of reference such as trees, house, building.
Fig. 2 shows the six degree of freedom suspension of the simulated earthquake demonstration plateform system of the embodiment of the present inventionOrganigram. As described in Figure, this six degree of freedom suspension is symmetrical structure, all wraps in each sideDraw together support column, magnet to, support spring and roller set, to be wherein arranged on corresponding simulation disconnected for support columnOn layer sand table, support spring is arranged on corresponding support column; Each magnet of magnet centering arranges respectivelyAt each support column towards inner side one side of six degree of freedom suspension inside (towards) andThe corresponding side surface of simulation earth's surface sand table bottom projection, wherein right two magnets of each magnet are toward each other;One side and each support spring of roller set are attached, and opposite side supports simulation surface sand dish. This six degree of freedomSuspension, owing to adopting spring to hang the hang combining with magnetic levitation technology, realizes six degree of freedomAutokinetic movement, and it is large to have horizontal motion stroke, and the characteristic that vertical tremor amplitude is little, meets groundWhen shake, vertical tremor amplitude is little, the feature that horizontal motion is violent.
Fig. 3 show the embodiment of the present invention simulated earthquake demonstration plateform system damp type energy savings andThe organigram of delivery system. As shown in the figure, this damp type energy savings and delivery system are symmetrical junctionStructure, both sides include Compress Spring, spring loop bar, damping slide block, stage clip bearing, stroke limit plate,Exhibition booth bases etc., wherein the action bars of spring loop bar and operating system of user is set with, and between the two, putsPut Compress Spring, spring loop bar Coupling Damping slide block, one jiao of the close stage clip bearing in damping slide block below is45 degree chamferings, stage clip bearing and stroke limit plate are fixed on exhibition booth base. Here, although the present invention retouchStated concrete damp type energy savings and a delivery system, but also invention is not limited to this, machineryThe technical staff in field also can conceive damp type energy savings and the delivery system of alternate manner.
This system is by operator's push rod, and Compress Spring also advances damping slide block motion, damping slide block belowOne jiao near stage clip bearing relies on its 45 degree chamfering to depress stage clip bearing, thus savings thrust, when reachingWhen critical value, cause the sudden outburst of operator's thrust, stroke limit plate control damping slide block position simultaneously,After operator looses one's grip, stage clip bearing pops into position damping slide block, and action bars also returns to initial position,The simulation tomography sand table that is simultaneously connected to damp type energy savings and delivery system by connecting rod receives energyThe release of amount. The lasting external force that this system gives operator is converted into savings and the sudden outburst of energy,Visual simulation energy savings and the dispose procedure of earthquake while occurring.
Next, in detail the demenstration method of this simulated earthquake demonstration plateform system will be described.
First, operator can stand on respectively simulated earthquake demonstration plateform system both sides, promotes action bars;
Then, action bars, by connecting damp type energy savings and delivery system, makes pushing away of described action barsPower is absorbed by damp type energy savings and delivery system;
Subsequently, in the time that operator's motive force reaches damp type energy savings and delivery system critical point, instituteState damp type energy savings and delivery system and discharge, thrust is released, thereby drives described simulation tomographySand table motion;
Afterwards, simulation tomography sand table connects by spring, the magnet hitch of six degree of freedom suspensionSimulation earth's surface sand table, drives simulation earth's surface sand table to carry out front and back six degree of freedom autokinetic movement up and down, fromAnd visual simulation earthquake occur time, the motion conditions on earth's surface; Operator can watch and showing in analog on sand tableThe moving situations of object of reference in simulated earthquake such as trees, house, building.
Simulated earthquake demonstration plateform system of the present invention, on the one hand by making user pass through operation, is observed in personThe knowledge such as the origin of earthquake, generating process, propagation law, than the picture and text of traditional Popular Science Education mode,The demonstration mode that animation etc. are abstract, the present invention more contribute to improve the cognition of operator to earthquake and man-machine mutuallyMoving property, the research of person to earthquake that simultaneously also contributes to seismic study.
The present invention by adopting six degree of freedom suspension, has realized six degree of freedom autokinetic movement on the other hand,The movement travel of each free degree depends on that simulation earth's surface sand table is subject to power size cases and determines completely. CanReal simulation PROPAGATION CHARACTERISTICS OF SEISMIC, that is: compressional wave transmission speed is fast, first arrives ground, shear wave propagation speedDegree is slow, rear arrival ground, and shear wave causes ground level direction significantly to move, and produces significant damage.
In addition, simulated earthquake of the present invention is demonstrated plateform system owing to adopting damp type energy delivery system,The active force applying by action bars by absorption operation person, savings energy, releases when arriving damping systemPut after critical value, sudden outburst, band dynamic simulated tomography sand table strenuous vibration, then by magnetic suspension systemBe delivered to simulation earth's surface sand table, thereby produced the earthquake effect of lifelike image more, also can give userBring the visual effect of shock more.
The above is only the preferred embodiment of the present invention, it should be pointed out that general for the artLogical technical staff, under the premise without departing from the principles of the invention, can also make some improvement and profitDecorations, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. a demonstration plateform system for simulated earthquake, comprise operating system of user, simulation tomography sand table,Damp type energy savings and delivery system, six degree of freedom suspension, simulation earth's surface sand table; Its feature existsIn:
Described operating system of user comprises two action bars, in two action bars each all with described dampingFormula energy savings is connected with delivery system;
Described simulation tomography sand table is coupled to described damp type energy savings and delivery system;
Described six degree of freedom suspension is arranged on described simulation tomography sand table;
Described six degree of freedom suspension supports described simulation earth's surface sand table; Wherein, described damp type energy productHold with delivery system and comprise the damp type energy savings mechanism for putting aside external force;
Wherein, described six degree of freedom suspension is symmetrical structure, in described six degree of freedom suspensionEach side includes support column, magnet to, support spring and roller set.
2. simulated earthquake demonstration plateform system according to claim 1, is characterized in that,
Described support column is arranged on corresponding simulation tomography sand table;
Described support spring is arranged on corresponding support column;
The magnet of described magnet centering is separately positioned on each support column towards inner side and described mouldIntend the corresponding side surface of the bottom projection of earth's surface sand table, wherein right two magnets of each magnet toward each other;
One side of described roller set is attached with corresponding support spring, and opposite side supports simulation surface sand dish.
3. simulated earthquake demonstration plateform system according to claim 1, is characterized in that described resistanceBuddhist nun's formula energy savings and delivery system are symmetrical structure, and both sides include Compress Spring, spring loop bar, resistanceBuddhist nun's slide block, stage clip bearing, stroke limit plate.
4. simulated earthquake demonstration plateform system according to claim 3, is characterized in that described bulletThe action bars of spring loop bar and operating system of user is set with, and between described spring loop bar and action bars, placesDescribed Compress Spring, the described spring loop bar described damping slide block that is coupled, described damping slide block below is near instituteOne jiao that states stage clip bearing is 45 degree chamferings, and described stage clip bearing and described stroke limit plate are fixed on exhibition boothBase.
5. drilling of the demonstration plateform system of the simulated earthquake described in an any one of utilizing in claim 1-4Show method, said method comprising the steps of:
Promote action bars;
Action bars is by connecting damp type energy savings and delivery system, the motive force that makes described action bars byDamp type energy savings and delivery system absorb;
In the time that motive force reaches damp type energy savings and delivery system critical point, described damp type energy productHold with delivery system and discharge, thrust is released, thereby drives described simulation tomography sand table motion;
The support spring of described simulation tomography sand table by described six degree of freedom suspension, magnet are to connectingSimulation earth's surface sand table, to drive described simulation earth's surface sand table to carry out six degree of freedom autokinetic movement.
6. demenstration method according to claim 5, is characterized in that, in the first step, by userPromote described action bars.
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| CN201410478894.5A CN104252809B (en) | 2014-09-18 | 2014-09-18 | A kind of simulated earthquake demonstration plateform system and demenstration method thereof |
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| CN104252809B true CN104252809B (en) | 2016-05-25 |
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| CN108257481A (en) * | 2017-12-26 | 2018-07-06 | 安徽新视野科教文化股份有限公司 | A kind of Base Isolation Technology simulation demonstrating apparatus |
| CN115035779B (en) * | 2022-05-16 | 2024-04-05 | 自然资源部第二海洋研究所 | Broadband earthquake physical simulation system and method for deep sea hydrothermal system |
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| JP2001305948A (en) * | 2000-04-24 | 2001-11-02 | Servo Technos:Kk | Three-dimensional vibration stand |
| CN201378386Y (en) * | 2009-04-17 | 2010-01-06 | 安徽新视野科教文化传播有限责任公司 | Device for simulating and demonstrating normal fault and reverse fault of earthquake |
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