CN214905511U

CN214905511U - Exploration type earthquake-proof disaster-reducing science popularization education exhibit

Info

Publication number: CN214905511U
Application number: CN202120642673.2U
Authority: CN
Inventors: 黄昆; 钱仁南; 许建华
Original assignee: Wenzhou Senyu Multimedia Technology Co ltd; Wenzhou Science And Technology Museum Wenzhou Youth Science And Technology Center
Current assignee: Wenzhou Senyu Multimedia Technology Co ltd; Wenzhou Science And Technology Museum Wenzhou Youth Science And Technology Center
Priority date: 2021-03-30
Filing date: 2021-03-30
Publication date: 2021-11-30
Anticipated expiration: 2031-03-30

Abstract

The utility model discloses a research formula earthquake-proof disaster-reduction science popularization education exhibit, including placing the stand and setting up at the protective frame of placing the stand upper end, still include the vibration subassembly, place the stand upper end and be located and be equipped with the platform of placing in the protective frame, place the bench upper end and install earthquake analogue means, earthquake analogue means includes the floor frame, the floor frame is placed in placing bench upper end both sides and with place the platform fixed connection, each floor frame is divided into the floor region of three equidistance range from the bottom up, the upper end of each floor region all is equipped with the electromagnetic damping device that is used for carrying on the antidetonation test and is controlled by electrically controlled device; what is different from the traditional shockproof and disaster-reducing science popularization education exhibit is that by the device, the shockproof effect difference of high-rise buildings with no damper and when the damper is placed at different positions can be observed, the electromagnetic damping phenomenon is combined with floor earthquake-resistant simulation, the principle of showing inertia, acting force and reacting force to audiences is realized, and the science popularization education is comprehensive and efficient.

Description

Exploration type earthquake-proof disaster-reducing science popularization education exhibit

Technical Field

The utility model relates to a science popularization education technical field specifically is a research formula science popularization education exhibit of taking precautions against earthquakes and reducing disasters.

Background

Science popularization education refers to the development of science and technology popularization education. Science popularization, namely scientific and technical popularization and scientific popularization. Advocate scientific method, propagate scientific thought, propagate scientific spiritual activities, and improve the quality of the national sciences. The earthquake prevention and disaster reduction is to defend and reduce earthquake disasters. The main solution method is to design a building for improving the earthquake-proof capability, and the main contents of earthquake-proof disaster reduction include earthquake-proof disaster reduction planning, earthquake monitoring and forecasting, earthquake disaster prevention, earthquake emergency rescue, earthquake post-disaster transitional arrangement and restoration reconstruction, supervision and management, legal responsibility and the like. Is an important aspect of learning in science popularization education.

The traditional earthquake simulator only simulates the situation and the harm of the earthquake generally, and is incapable of serving as a force when earthquake-proof popular science display is needed, so that the electromagnetic damping and the floor earthquake-proof test are difficult to be intuitively connected, the earthquake-proof popular science in different areas of the floor cannot be intuitively displayed, and improvement is needed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a shockproof disaster reduction science popularization education exhibit of probing formula to solve the problem of proposing in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the exploration type earthquake-proof and disaster-reduction science popularization education exhibit comprises a placing exhibition stand, a protection frame and a vibration assembly, wherein the protection frame is arranged at the upper end of the placing exhibition stand;

the earthquake simulation device comprises floor frames, wherein the floor frames are arranged on two sides of the upper end of the placing table and fixedly connected with the placing table, each floor frame is divided into three floor areas which are arranged at equal intervals from bottom to top, and the upper end part of each floor area is provided with an electromagnetic damping device which is used for performing earthquake-resistant test and is controlled by an electric control device;

the vibration assembly is arranged in the placing exhibition stand and fixedly connected with the lower end face of the placing stand and used for controlling the earthquake simulation device to perform vibration simulation through the placing stand.

Preferably, the vibration subassembly is including setting up the fixing base of placing the stand upper end, fixing base upper end center department be equipped with fixing base sliding fit's eccentric groove piece, eccentric groove piece center department be equipped with eccentric groove piece on slotted hole matched with eccentric groove piece eccentric wheel, the eccentric wheel is connected with the driving piece that sets up in the fixing base through the connecting axle, the fixing base both sides are equipped with respectively links up piece one and linking piece two, linking piece one and linking piece two pass through connecting rod and eccentric groove piece both sides fixed connection, linking piece one and linking piece two up end and place a lower terminal surface fixed connection, linking piece one and linking piece two under the terminal surface with place stand up end clearance fit.

Preferably, both sides of the upper end of the fixing seat are fixed with limiting rings used for limiting the connecting rod, and the limiting rings are sleeved outside the connecting rod and are movably matched with the limiting rings.

Preferably, the electromagnetic damping device comprises a sensing part and a swinging part, the sensing part comprises a first fixing frame and an electromagnetic valve, two ends of the first fixing frame are connected with the rod bodies on two sides of the floor frame through fasteners, and the electromagnetic valve is arranged in the center of the upper end of the first fixing frame and is fixedly connected with the first fixing frame.

Preferably, the swing part comprises a second fixing frame and a swing type damper, the second fixing frame is arranged above the first fixing frame, two ends of the second fixing frame are connected with the floor frame rod body through fasteners, the swing type damper is arranged below the second fixing frame and corresponds to the output end of the electromagnetic valve, and two sides of the upper end of the swing type damper are movably connected with the second fixing frame through chains.

Preferably, be equipped with the light on the upper end in the protective frame, the light is fixed on protective frame inner wall top, and protective frame inner wall middle part is equipped with the camera, the camera arrange protective frame inner wall both sides in and with protective frame fixed connection.

Preferably, place and be equipped with display panel on the stand, display panel arranges in and places stand one side and be the slope and place, its top terminal surface with place stand up end looks parallel and level, display panel and camera electric connection.

Compared with the prior art, the beneficial effects of the utility model are that: by the device, the difference of the anti-seismic effect of a high-rise building with or without dampers and dampers placed at different positions can be observed, the electromagnetic damping phenomenon is combined with the floor anti-seismic simulation, the principle of inertia, acting force and reacting force is shown to audiences, and the science popularization education is comprehensive and efficient;

vibration subassembly in the device adopts eccentric wheel double-end transmission mode to shake the simulation, has good stability, and the setting up of cooperation spacing ring makes its stability better, and the protective frame of placing the stand upper end can provide the protection for the showpiece, and cooperation light, camera and display panel's setting makes its science popularization show the effect better simultaneously, and the practicality is strong.

Drawings

Fig. 1 is a schematic structural diagram of an exploration-type earthquake-proof and disaster-reducing science popularization education exhibit.

Fig. 2 is a schematic structural diagram of a lighting lamp in an exploration-type earthquake-proof and disaster-reducing science popularization education exhibit.

Fig. 3 is a schematic structural diagram of a vibration component in an exploration-type earthquake-proof and disaster-reducing science popularization education exhibit.

Fig. 4 is an enlarged schematic view of the structure at a in fig. 2 of the exploration-type earthquake-proof and disaster-reducing science popularization education exhibit.

Fig. 5 is a circuit structure diagram of an electromagnetic damping device in an exploration-type earthquake-proof and disaster-reduction science popularization education exhibit.

In the figure: 1. placing a display stand; 2. a protective frame; 3. a display panel; 4. a placing table; 5. an eccentric wheel; 6. a camera; 7. An illuminating lamp; 8. a fixed seat; 9. an eccentric groove block; 10. a first connecting block; 11. a second connecting block; 12. a limiting ring; 13. a connecting rod; 14. a floor frame; 15. a first fixing frame; 16. a second fixing frame; 17. an electromagnetic valve; 18. swing type damping; 19. and a chain.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, in the embodiment of the present invention, a research-type earthquake-proof and disaster-reduction science popularization education exhibit includes a placing exhibition stand 1, a protection frame 2 disposed on the placing exhibition stand 1, and a vibration assembly, wherein a placing stand 4 is disposed on the upper end of the placing exhibition stand 1 and inside the protection frame 2, and an earthquake simulation device is mounted on the upper end of the placing stand 4;

the earthquake simulation device comprises floor frames 14, wherein the floor frames 14 are arranged on two sides of the upper end of the placing table 4 and fixedly connected with the placing table 4, each floor frame 14 is divided into three floor areas which are arranged at equal intervals from bottom to top, and the upper end part of each floor area is provided with an electromagnetic damping device which is used for performing earthquake resistance test and is controlled by an electric control device; the electromagnetic damping device is connected with an electric control device, when comparative simulation is carried out, the electromagnetic damping device in the upper floor area, the middle floor area and the lower floor area of the left floor frame 14 is started, the electromagnetic valve 17 in the electromagnetic damping device is closed, the swing type damping 18 is not attracted, the electromagnetic valve 17 in the electromagnetic damping device on the right floor frame 14 is opened, the swing type damping 18 is attracted, the vibration assembly is started, vibration is simulated, audiences can find that the floor frame 14 without the electromagnetic damping device is obviously larger than the shaking condition of the left floor during starting, further, the influence brought by the electromagnetic damping under the earthquake environment is effectively displayed, in addition, the electromagnetic damping device in the floor area of the floor frame 14 is independently controlled to be opened and closed, and the influence of the electromagnetic damping with different heights on the earthquake resistance of the floor can be displayed.

The electromagnetic damping device on the exhibit is connected with the electric control device and has two working modes:

1. and (3) visiting mode: the audience presses the start button, and the three dampers at the upper, middle and lower parts of the left-building model are attracted by the electromagnetic valve 17 to generate no effect; the electromagnetic valves 17 of the middle and lower dampers on the right floor are sucked, and only the upper damper plays a role. The earthquake table starts to vibrate according to a set program, and at the moment, audiences can intuitively find that the left-floor model shakes more than the right-floor model, because the damper at the top of the right-floor acts, the super high-rise building has the difference that no damper is installed. After one minute, the seismic table stopped vibrating and the model stopped shaking. At this time, the damper at the bottom of the left building is separated from the electromagnetic valve 17, the seismic table starts to vibrate again according to the set program, and the spectator can find that the model with the damper installed at the top shakes significantly less than the model with the damper installed at the bottom, which is a different effect of installing the damper at the top and the bottom. And when the exhibit is demonstrated, the related video is played on the holographic film on the back of the exhibit to match with the explanation introduction.

2. And (3) exhibiting a teaching mode: a working panel is hidden in the placing platform, and corresponding buttons on the working panel can respectively control the vibration frequency of the earthquake platform and the fixing and opening of six groups of dampers in the two building models. Can be matched with exhibition teaching data to deeply explain the scientific principle of the exhibition item.

The technical process of the operation of the exhibit: the electric control device is programmed by adopting a single chip microcomputer, after a button input signal is collected, the direct current motor, the electromagnet, the player and the projector are controlled to complete the whole display process, when the difference of undamped dampers in earthquakes and strong winds of super high-rise buildings is demonstrated, the button is pressed down, the single chip microcomputer controls the electromagnetic valve 17 to attract the three dampers of the left building model and the lower two dampers of the right building model, the direct current electric and linear push rod devices are driven to operate at a small amplitude and a low frequency, the building model is guaranteed to uniformly swing and then gradually accelerate to a preset frequency, and the damper building is obviously slightly shaken relative to the undamped damper building.

When demonstrating the difference that the dampers of a super high-rise building are arranged at the upper part and the lower part of the building in earthquake and strong wind, the single chip microcomputer controls the electromagnetic valve 17 to suck the two dampers at the lower part in the left building model and the two dampers at the upper part in the right building model, and the rest technical steps are the same as those of the demonstrating with or without dampers.

The vibration assembly is arranged in the placing exhibition stand 1, is fixedly connected with the lower end face of the placing stand 4 and is used for controlling the earthquake simulation device to carry out vibration simulation through the placing stand 4; the vibration subassembly is including setting up fixing base 8 placing stand 1 upper end, 8 upper end centers of fixing base department be equipped with 8 sliding fit's of fixing base

eccentric groove piece

9, 9 centers of eccentric groove piece department be equipped with eccentric groove piece 9 on slotted hole matched with eccentric wheel 5, eccentric wheel 5 is connected with the driving piece that sets up in fixing base 8 through the connecting axle, 8 both sides of fixing base are equipped with respectively and link up piece one 10 and link up piece two 11, link up piece one 10 and link up piece two 11 through connecting

rod

13 and 9 both sides fixed connection of eccentric groove piece, link up piece one 10 and link up piece two 11 up end and place stand 4 lower terminal surface fixed connection, link up piece one 10 and link up piece two 11 down terminal surface and place stand 1 up end clearance fit.

Limiting rings 12 for limiting the connecting rod 13 are fixed on two sides of the upper end of the fixing seat 8, and the limiting rings 12 are sleeved outside the connecting rod 13 and are movably matched with the limiting rings 12; the driving piece is a motor of installing in fixing base 8, in operation, the motor drives eccentric wheel 5 through the connecting axle and rotates, eccentric wheel 5 forms an eccentric wheel transmission structure with eccentric groove piece 9, when the connecting axle drives eccentric wheel 5 rotatory, the outer fringe of eccentric wheel 5 cooperates with the slotted hole inner wall of eccentric groove piece 9 upper end, thereby promote eccentric groove piece 9 and carry out reciprocating motion in fixing base 8 upper end, eccentric groove piece 9 is connected through connecting rod 13 and linking piece one 10 and linking piece two 11 in reciprocating motion, linking piece one 10 and linking piece two 11 drive and place platform 4 and rock placing stand 1 top, spacing ring 12 plays the spacing support to connecting rod 13, be used for improving the stability of vibration subassembly during operation.

The electromagnetic damping device comprises a sensing part and a swinging part, the sensing part comprises a first fixed frame 15 and an electromagnetic valve 17, two ends of the first fixed frame 15 are connected with the rod bodies on two sides of the floor frame 14 through fasteners, and the electromagnetic valve 17 is arranged in the center of the upper end of the first fixed frame 15 and is fixedly connected with the first fixed frame 15; the swinging part comprises a second fixed frame 16 and a swinging damper 18, the second fixed frame 16 is arranged above the first fixed frame 15, two ends of the second fixed frame are connected with the rod body of the floor frame 14 through fasteners, the swinging damper 18 is arranged below the second fixed frame 16 and corresponds to the output end of the electromagnetic valve 17, and two sides of the upper end of the swinging damper 18 are movably connected with the second fixed frame 16 through chains 19; the vibration component works, the floor frame 14 is driven to shake through the placing table 4, the swing type damper 18 can be left in place due to inertia, at the moment, constraint force can be generated on the building, opposite-direction pulling force is given to the floor frame 14, the swing directions of the floor frame 14 and the swing type damper 18 are always opposite, through reverse swing, the shaking amplitude of the building is reduced, and therefore a better damping effect is achieved, inertia, acting force and reacting force are used in the swinging direction, under the real condition, the building transmits kinetic energy to the electromagnetic damper, the electromagnetic damper consumes energy through a damping system, and the electromagnetic valve 17 is used for controlling the swing type damper 18 to work.

The upper end part in the protective frame 2 is provided with a lighting lamp 7, the lighting lamp 7 is fixed at the top end of the inner wall of the protective frame 2, the middle part of the inner wall of the protective frame 2 is provided with a camera 6, and the cameras 6 are arranged at two sides of the inner wall of the protective frame 2 and are fixedly connected with the protective frame 2; the display panel 3 is arranged on the placing exhibition stand 1, the display panel 3 is placed on one side of the placing exhibition stand 1 in an inclined manner, the end surface of the top end of the display panel 3 is flush with the upper end surface of the placing exhibition stand 1, and the display panel 3 is electrically connected with the camera 6; the display panel 3 is used for controlling the device exhibit, and the shockproof condition can be accurately and clearly displayed through the camera 6.

The utility model discloses a theory of operation is: during comparison and simulation, the electromagnetic damping devices in the upper floor area, the middle floor area and the lower floor area of the left floor frame 14 are started, the electromagnetic valves 17 in the electromagnetic damping devices are closed, the swing type dampers 18 are not attracted, the electromagnetic valves 17 in the electromagnetic damping devices on the right floor frame 14 are opened, the swing type dampers 18 are attracted, the vibration assemblies are started, earthquake simulation is carried out, the floor shaking condition is observed, and comparison is carried out; through this device, can observe high-rise building and have the antivibration effect difference when no attenuator, attenuator are put in different positions to combine electromagnetic damping phenomenon and floor antidetonation simulation together, demonstrate the principle of inertia and effort and reaction force to spectator, the science popularization education is comprehensive high-efficient.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The exploration type earthquake-proof disaster-reduction science popularization education exhibit comprises a placing exhibition stand (1) and a protection frame (2) arranged at the upper end of the placing exhibition stand (1), and is characterized by further comprising a vibration assembly, wherein a placing stand (4) is arranged at the upper end of the placing exhibition stand (1) and positioned in the protection frame (2), and an earthquake simulation device is installed at the upper end of the placing stand (4);

the earthquake simulation device comprises floor frames (14), wherein the floor frames (14) are arranged on two sides of the upper end of a placing table (4) and fixedly connected with the placing table (4), each floor frame (14) is divided into three floor areas which are arranged at equal intervals from bottom to top, and the upper end part of each floor area is provided with an electromagnetic damping device which is used for performing earthquake-resistant test and is controlled by an electric control device;

the vibration assembly is arranged in the placing exhibition stand (1), fixedly connected with the lower end face of the placing stand (4) and used for controlling the earthquake simulation device to perform vibration simulation through the placing stand (4).

2. The exploration-type earthquake-proof and disaster-reduction science popularization education exhibit according to claim 1, characterized in that the vibration component comprises a fixed seat (8) arranged at the upper end of the placing exhibition stand (1), an eccentric groove block (9) in sliding fit with the fixed seat (8) is arranged at the center of the upper end of the fixed seat (8), an eccentric wheel (5) matched with a slotted hole on the eccentric groove block (9) is arranged at the center of the eccentric groove block (9), the eccentric wheel (5) is connected with a driving piece arranged in the fixed seat (8) through a connecting shaft, a connection block I (10) and a connection block II (11) are respectively arranged at two sides of the fixed seat (8), the connection block I (10) and the connection block II (11) are fixedly connected with two sides of the eccentric groove block (9) through a connecting rod (13), the upper end faces of the connection block I (10) and the connection block II (11) are fixedly connected with the lower end face of the placing stand (4), the lower end faces of the first connecting block (10) and the second connecting block (11) are movably matched with the upper end face of the placing exhibition stand (1).

3. The exploration-type earthquake-proof and disaster-reduction science popularization education exhibit according to claim 2, wherein limiting rings (12) used for limiting the connecting rod (13) are fixed on two sides of the upper end of the fixing seat (8), and the limiting rings (12) are sleeved outside the connecting rod (13) and movably matched with the limiting rings (12).

4. The exploration-type earthquake-proof and disaster-reduction science popularization education exhibit according to claim 1, wherein the electromagnetic damping device comprises a sensing part and a swinging part, the sensing part comprises a first fixing frame (15) and an electromagnetic valve (17), two ends of the first fixing frame (15) are connected with the rod bodies on two sides of the floor frame (14) through fasteners, and the electromagnetic valve (17) is arranged at the center of the upper end of the first fixing frame (15) and is fixedly connected with the first fixing frame (15).

5. The exploration-type earthquake-proof and disaster-reduction science popularization education exhibit according to claim 4, characterized in that the swinging part comprises a second fixed frame (16) and a swinging damper (18), the second fixed frame (16) is arranged above the first fixed frame (15), two ends of the second fixed frame are connected with the rod body of the floor frame (14) through fasteners, the swinging damper (18) is arranged below the second fixed frame (16) and corresponds to the output end of the electromagnetic valve (17), and two sides of the upper end of the swinging damper (18) are movably connected with the second fixed frame (16) through a chain (19) to form a blocking edge.

6. The exploration type earthquake-proof and disaster-reduction science popularization education exhibit according to claim 1, wherein an illuminating lamp (7) is arranged at the inner upper end of the protection frame (2), the illuminating lamp (7) is fixed at the top end of the inner wall of the protection frame (2), a camera (6) is arranged in the middle of the inner wall of the protection frame (2), and the camera (6) is arranged at two sides of the inner wall of the protection frame (2) and is fixedly connected with the protection frame (2).

7. The exploration-type earthquake-proof and disaster-reduction science popularization education exhibit according to claim 6, wherein a display panel (3) is arranged on the placing exhibition stand (1), the display panel (3) is obliquely placed on one side of the placing exhibition stand (1), the end face of the top end of the display panel is flush with the upper end face of the placing exhibition stand (1), and the display panel (3) is electrically connected with the camera (6).