CN104252809A - Earthquake simulation demonstration platform system and demonstration method thereof - Google Patents
Earthquake simulation demonstration platform system and demonstration method thereof Download PDFInfo
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- CN104252809A CN104252809A CN201410478894.5A CN201410478894A CN104252809A CN 104252809 A CN104252809 A CN 104252809A CN 201410478894 A CN201410478894 A CN 201410478894A CN 104252809 A CN104252809 A CN 104252809A
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Abstract
The invention provides an improved earthquake simulation demonstration platform system and a demonstration method thereof. The earthquake simulation demonstration platform system comprises a user operating system, a fault simulation sandbox, a damping type energy accumulation and release system, a six-degree-of-freedom suspension system, and an earth surface simulation sandbox, wherein the user operating system comprises two operating levers, and each operating lever is connected with the damping type energy accumulation and release system; the fault simulation sandbox is coupled to the damping type energy accumulation and release system, and the six-degree-of-freedom suspension system is arranged on the fault simulation sandbox; the fault simulation sandbox is supported by the six-degree-of-freedom suspension system.
Description
Technical field
The present invention relates to a kind of for imparting knowledge to students, the demo platform system of science popularization, more specifically, relate to a kind of demo platform system and demenstration method thereof of simulated earthquake.
Background technology
In recent years, in China, earthquake takes place frequently, and most people are still in unknown state to the situation that the formation of earthquake and earthquake occur, thus psychologically to earthquake sense to fearing, in order to carry out science popularization or the experimental teaching of earthquake to the public, the current demo system that also there are some simulated earthquakes.
Existing simulated earthquake demo system generally adopts hydraulic pressure or mechanical type shock platforms mode simulated earthquake.System comprises the structures such as electric power input, hydraulic pressure or mechanical arm transmission, is moved up and down by hydraulic cylinder or mechanical arm support platform.But existing simulated earthquake demo system, be mostly made up of mechanical or Hydraulic Power Transmission System, multi link connection support system, power input system.On the one hand, traditional earthquake platform demo system generally adopts the rigid connection such as cylinder, connecting rod structure, can only realize the constrained motion of multiple degree of freedom.On the other hand, traditional earthquake platform adopts the power supply such as hydraulic pressure, electric power mode, and this mode defect is: power consumption is large, and slowly, vibrating effect is not true to nature in power release.Therefore the shortcoming of existing simulated earthquake demo system mainly contains: volume is large, conducts oneself with dignity high, and energy consumption is large, shock platforms vibrations are stiff, degree of freedom is low, shakes situation when not meeting actual seismic.
Summary of the invention
The present invention just in order to overcome above-mentioned defect, and proposes a kind of simulated earthquake demo platform system and demenstration method thereof of improvement.
On the one hand, The embodiment provides a kind of simulated earthquake demo platform system, 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; Described operating system of user comprises two control lever, and each all the savings with described damp type energy in two control lever 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 savings and delivery system comprise the damp type energy savings mechanism for putting aside external force.
Wherein, described six degree of freedom suspension is symmetrical structure, includes support column, magnet to, support spring and roller set in every side of described six degree of freedom suspension.
Wherein said 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 the corresponding side surface of the bottom projections of each support column side inwardly and simulation earth's surface sand table, and two magnets that wherein each magnet is right toward each other; Side and the corresponding support spring of described roller set are attached, and opposite side supports simulation surface sand dish.
Wherein said six degree of freedom suspension comprises two support columns, two magnets to, two support springs and two roller set.
Wherein, described damp type energy savings and delivery system are symmetrical structure, and both sides include Compress Spring, spring loop bar, damping slide block, stage clip bearing, stroke limit plate.
Wherein, the control lever of described spring loop bar and operating system of user is set with, described Compress Spring is placed between described spring loop bar and control lever, described spring loop bar is coupled described damping slide block, below described damping slide block, one jiao of close described stage clip bearing is 45 degree of chamferings, and described stage clip bearing and described stroke limit plate are fixed on exhibition booth base.
Present invention also offers a kind of demenstration method utilizing above-mentioned simulated earthquake demo platform system, said method comprising the steps of: promote control lever; Control lever, by connecting damp type energy savings and delivery system, makes the expulsive force of described control lever be put aside by damp type energy and delivery system absorption; When expulsive force reaches damp type energy savings and delivery system critical point, damping slide block pressure stage clip bearing, knocks forward stroke limit plate fast, described damp type energy is put aside and delivery system release, thrust is released, thus drives described simulation tomography sand table to move; Described simulation tomography sand table to connecting analog earth's surface sand table, carries out six degree of freedom autokinetic movement to drive described simulation earth's surface sand table by the support spring of described six degree of freedom suspension, magnet.
Wherein, in a first step, described control lever is promoted by user.
The present invention by technique scheme, contributes to improving operator to the cognition of earthquake and human-computer interaction, and the person that simultaneously also contributes to seismic study is to the research of earthquake.
Accompanying drawing explanation
Fig. 1 is the organigram of the simulated earthquake demo platform system of the embodiment of the present invention; And
Fig. 2 is the organigram of the six degree of freedom suspension of the simulated earthquake demo platform system of the embodiment of the present invention;
Fig. 3 shows the damp type energy savings of the simulated earthquake demo platform system of the embodiment of the present invention and the organigram of delivery system wherein side;
Fig. 4 illustrates damp type energy savings delivery system effect sketch.
As shown in the figure, in order to the structure of embodiments of the invention clearly can be realized, specific structure and device are marked in the drawings, but this is only signal needs, be not intended to limit the invention in this ad hoc structure, device and environment, according to specific needs, these devices and environment can carry out adjusting or revising by those of ordinary skill in the art, and the adjustment carried out or amendment are still included in the scope of accompanying claim.
Embodiment
Below in conjunction with the drawings and specific embodiments, a kind of simulated earthquake demo platform system provided by the invention and demenstration method thereof are described in detail.Here do to illustrate, in order to make embodiment more detailed, the following examples are best, preferred embodiment, also can adopt other alternative and implement for some known technologies those skilled in the art simultaneously; And accompanying drawing part is only to describe embodiment more specifically, and be not intended to carry out concrete restriction to the present invention.Meanwhile, it should be noted that accompanying drawing is only schematic, the size of its concrete parts must not provide by actual ratio.In addition, for technology well known in the art, such as simple mechanical connection etc., will not repeat here.
Fig. 1 shows the organigram of the simulated earthquake demo platform system of the embodiment of the present invention.As shown in Figure 1, simulated earthquake demo platform system of the present invention mainly 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.Wherein, simulation tomography sand table is linked by six degree of freedom suspension with simulation earth's surface sand table, by operator, action, energy input are carried out to control lever, cause the relative motion of simulation tomography sand table, through damp type energy savings and the effect of delivery system, make simulation tomography sand table produce vibrations suddenly, and passed to by six degree of freedom suspension and simulate earth's surface sand table, it is made to produce vibrations, the motion conditions on earth's surface when visual simulation earthquake occurs.
Operating system of user comprises control lever, and in a preferred embodiment of the invention, this control lever comprises two, but it will be appreciated by persons skilled in the art that the quantity of control lever is not limited thereto, and can be set to any amount as required.In a preferred embodiment of the invention, described operating system of user comprises two control lever, and each all the savings with described damp type energy in two control lever is connected with delivery system; Described simulation tomography sand table is coupled to damp type energy savings and delivery system.This damp type energy savings and delivery system comprise damp type energy savings mechanism, after the external force of savings exceedes damp type energy savings mechanism limits value, damp type energy savings mechanism is suddenly ineffective, and savings external force discharges suddenly, form huge vibrating effect, thus the generation of simulated earthquake.
The six degree of freedom suspension of the present invention that will be described in detail below is provided with on simulation tomography sand table.Six degree of freedom suspension supports simulation surface sand dish, as shown in the figure.In order to the situation that the description earthquake of image occurs, also can according to engineering mechanics, arrange the objects of reference such as trees, house, building to mechanics of materials equal proportion on simulation earth's surface sand table.
Fig. 2 shows the organigram of the six degree of freedom suspension of the simulated earthquake demo platform system of the embodiment of the present invention.As described in Figure, this six degree of freedom suspension is symmetrical structure, and include support column, magnet in every side to, support spring and roller set, wherein support column is arranged on corresponding simulation tomography sand table, and support spring is arranged on corresponding support column; Each magnet of magnet centering is separately positioned on the corresponding side surface of each support column side inwardly (namely towards the side of six degree of freedom suspension inside) and simulation earth's surface sand table bottom projections, and two magnets that wherein each magnet is right toward each other; Side and each support spring of roller set are attached, and opposite side supports simulation surface sand dish.This six degree of freedom suspension hangs owing to adopting spring the hang combined with magnetic levitation technology, realize six degree of freedom autokinetic movement, and it is large to have horizontal motion stroke, the characteristic that vertical tremor amplitude is little, when meeting earthquake, vertical tremor amplitude is little, the feature that horizontal motion is violent.
Fig. 3 shows the damp type energy savings of the simulated earthquake demo platform system of the embodiment of the present invention and the organigram of delivery system.As shown in the figure, this damp type energy savings and delivery system are symmetrical structure, both sides include Compress Spring, spring loop bar, damping slide block, stage clip bearing, stroke limit plate, exhibition booth base etc., wherein the control lever of spring loop bar and operating system of user is set with, therebetween Compress Spring is placed, spring loop bar Coupling Damping slide block, below damping slide block, one jiao of close stage clip bearing is 45 degree of chamferings, and stage clip bearing and stroke limit plate are fixed on exhibition booth base.Here, although the present invention describes a concrete damp type energy savings and delivery system, but and invention is not limited to this, the technician of mechanical field also can conceive damp type energy savings and the delivery system of alternate manner.
This system is by operator's push rod, Compress Spring also advances damping slide block to move, its 45 degree of chamfering pressure stage clip bearings are relied near one jiao of stage clip bearing below damping slide block, thus savings thrust, when reaching critical value, cause the unexpected release of operator's thrust, stroke limit plate controls damping slide block position simultaneously, after operator looses one's grip, damping slide block pops into position by stage clip bearing, control lever also returns to initial position, is connected to the release that damp type energy savings and the simulation tomography sand table of delivery system receive energy by connecting link simultaneously.The external force continued that operator gives by this system is converted into savings and the suddenly release of energy, energy savings when visual simulation earthquake occurs and dispose procedure.
Next, the demenstration method of this simulated earthquake demo platform system will be described in detail.
First, operator can stand on simulated earthquake demo platform system both sides respectively, promotes control lever;
Then, control lever, by connecting damp type energy savings and delivery system, makes the expulsive force of described control lever be put aside by damp type energy and delivery system absorption;
Subsequently, when the expulsive force of operator reaches damp type energy savings and delivery system critical point, described damp type energy savings and delivery system release, thrust is released, thus drives described simulation tomography sand table to move;
Afterwards, simulation tomography sand table is by spring, the magnet hitch connecting analog earth's surface sand table of six degree of freedom suspension, simulation earth's surface sand table is driven to carry out six degree of freedom autokinetic movement up and down, thus when visual simulation earthquake occurs, the motion conditions on earth's surface; Operator can watch the moving situation of object of reference in simulated earthquake such as showing on sand table trees, house, building in analog.
Simulated earthquake demo platform system of the present invention is on the one hand by making user pass through operation, in person observe the knowledge such as the origin of earthquake, generating process, propagation law, the demonstration mode abstract compared to the picture and text, animation etc. of traditional Popular Science Education mode, the present invention more contributes to improving operator to the cognition of earthquake and human-computer interaction, and the person that simultaneously also contributes to seismic study is to the research of earthquake.
The present invention by adopting six degree of freedom suspension, achieves six degree of freedom autokinetic movement on the other hand, and the movement travel of each degree of freedom depends on that simulation earth's surface sand table is determined by power size cases completely.Can real simulation PROPAGATION CHARACTERISTICS OF SEISMIC, that is: compressional wave transmission speed is fast, first arrives ground, and shear wave propagation speed is slow, rear arrival ground, and shear wave causes ground level direction significantly to move, and produces significant damage.
In addition, simulated earthquake demo platform system of the present invention is owing to adopting damp type fault offset system, by the acting force that absorption operation person is applied by control lever, savings energy, when after arrival damping system release critical value, discharges suddenly, band dynamic simulated tomography sand table strenuous vibration, be delivered to simulation earth's surface sand table by magnetic suspension system again, thus create the earthquake effect of lifelike image more, also can bring the visual effect more shaken to user.
The above is only the preferred embodiment of the present invention; it should be pointed out that for those skilled in the art, under the premise without departing from the principles of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (9)
1. a demo platform system for simulated earthquake, 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; It is characterized in that:
Described operating system of user comprises two control lever, and each all the savings with described damp type energy in two control lever 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.
2. simulated earthquake demo platform system according to claim 1, is characterized in that, described damp type energy savings and delivery system comprise the damp type energy savings mechanism for putting aside external force.
3. simulated earthquake demo platform system according to claim 1, is characterized in that, described six degree of freedom suspension is symmetrical structure, includes support column, magnet to, support spring and roller set in every side of described six degree of freedom suspension.
4. simulated earthquake demo platform system according to claim 3, 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 the corresponding side surface of the bottom projections of each support column side inwardly and described simulation earth's surface sand table, and two magnets that wherein each magnet is right toward each other;
Side and the corresponding support spring of described roller set are attached, and opposite side supports simulation surface sand dish.
5. simulated earthquake demo platform system according to claim 1 and 2, is characterized in that, described six degree of freedom suspension comprises two support columns, two magnets to, two support springs and two roller set.
6. simulated earthquake demo platform system according to claim 1, is characterized in that, described damp type energy savings and delivery system are symmetrical structure, and both sides include Compress Spring, spring loop bar, damping slide block, stage clip bearing, stroke limit plate.
7. simulated earthquake demo platform system according to claim 6, it is characterized in that, the control lever of described spring loop bar and operating system of user is set with, described Compress Spring is placed between described spring loop bar and control lever, described spring loop bar is coupled described damping slide block, below described damping slide block, one jiao of close described stage clip bearing is 45 degree of chamferings, and described stage clip bearing and described stroke limit plate are fixed on exhibition booth base.
8. utilize a demenstration method for the simulated earthquake demo platform system described in any one in claim 1-7, said method comprising the steps of:
Promote control lever;
Control lever, by connecting damp type energy savings and delivery system, makes the expulsive force of described control lever be put aside by damp type energy and delivery system absorption;
When expulsive force reaches damp type energy savings and delivery system critical point, described damp type energy savings and delivery system release, thrust is released, thus drives described simulation tomography sand table to move;
Described simulation tomography sand table to connecting analog earth's surface sand table, carries out six degree of freedom autokinetic movement to drive described simulation earth's surface sand table by the support spring of described six degree of freedom suspension, magnet.
9. demenstration method according to claim 8, is characterized in that, in a first step, promotes described control lever by user.
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