CN215450633U

CN215450633U - Earthquake demonstration device for science and technology museum

Info

Publication number: CN215450633U
Application number: CN202121441765.0U
Authority: CN
Inventors: 莫洪伟; 谷明洋
Original assignee: Hefei Xuanwei Automation Technology Co ltd
Current assignee: Hefei Xuanwei Automation Technology Co ltd
Priority date: 2021-06-28
Filing date: 2021-06-28
Publication date: 2022-01-07
Anticipated expiration: 2031-06-28

Abstract

The utility model discloses an earthquake demonstration device for a science and technology center, which comprises a display stand, wherein a placing groove is formed in the upper surface of the display stand, a motor and four supporting sleeves are fixedly installed on the inner bottom wall of the placing groove respectively, an output shaft of the motor is fixedly connected with a cam disc, the inner wall of each supporting sleeve is connected with a movable column in a sliding mode, the top end of each movable column is fixedly connected with a demonstration bottom plate, a supporting spring is sleeved on the surface of each movable column, a jacking rod is fixedly connected to the lower surface of the demonstration bottom plate, a push plate is fixedly connected to the bottom end of each jacking rod, and the lower surface of the push plate is in lap joint with the cam disc. This an earthquake presentation device for science and technology center through setting up motor, cam disc, activity post, support sleeve and supporting spring, can make the demonstration bottom plate do up-and-down reciprocating vibration, can vividly simulate out the vibration that the earthquake brought to can demonstrate the destruction that longitudinal wave in the earthquake brought the building, improve the effect of earthquake demonstration.

Description

Earthquake demonstration device for science and technology museum

Technical Field

The utility model relates to the technical field of science popularization demonstration, in particular to an earthquake demonstration device for a science and technology museum.

Background

The occurrence of earthquake is unpredictable and extremely destructive, so that a certain knowledge of earthquake is required for ordinary people, and demonstration equipment simulating earthquake is usually available in science and technology museums to enable more people to experience, understand and learn knowledge for preventing earthquake damage.

However, the conventional earthquake demonstration device has a simple structure, cannot simulate and demonstrate transverse waves and longitudinal waves generated in an earthquake vividly and truly, and does not have a function of interacting with viewers, so that the propaganda and education effects on earthquake knowledge are reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an earthquake demonstration device for a science and technology museum, so as to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides an earthquake presentation device for science and technology center, includes the show stand, the standing groove has been seted up to the upper surface of show stand, and there are motor and four supporting sleeve in the interior diapire of standing groove fixed mounting respectively, the output shaft fixedly connected with cam disc of motor, supporting sleeve's inner wall sliding connection has movable post, the top fixedly connected with demonstration bottom plate of activity post, and the surperficial cover of activity post is equipped with supporting spring, the lower fixed surface of demonstration bottom plate is connected with the lifting rod, the bottom fixedly connected with push pedal of lifting rod, the lower surface and the cam disc overlap joint of push pedal, the upper surface of demonstration bottom plate is seted up flutedly, two slide bars of inner wall fixedly connected with of recess, the surface sliding connection of slide bar has the fly leaf.

Preferably, the surface of the sliding rod is sleeved with an extension spring, one end of the extension spring is fixedly connected with the surface of the movable plate, and the other end of the extension spring is fixedly connected with the inner wall of the groove.

Preferably, the front face of the movable plate is fixedly connected with a connecting rod, and one end, far away from the movable plate, of the connecting rod extends to the front face of the demonstration bottom plate and is fixedly connected with a handle.

Preferably, the top end of the supporting spring is fixedly connected with the lower surface of the demonstration bottom plate, and the bottom end of the supporting spring is fixedly connected with the upper surface of the supporting sleeve.

Preferably, the upper surface of the display stand is fixedly provided with a liquid crystal display, the front surface of the display stand is provided with an operation panel, and the operation panel is respectively electrically connected with the motor and the liquid crystal display.

Preferably, a building model is placed on the upper surface of the movable plate.

Advantageous effects

The utility model provides an earthquake demonstration device for a science and technology museum, which has the following beneficial effects:

1. this an earthquake presentation device for science and technology center through setting up motor, cam disc, activity post, support sleeve and supporting spring, can make the demonstration bottom plate do up-and-down reciprocating vibration, can vividly simulate out the vibration that the earthquake brought to can demonstrate the destruction that longitudinal wave in the earthquake brought the building, improve the effect of earthquake demonstration.

2. This an earthquake presentation device for science and technology center, through setting up the fly leaf, the slide bar, extension spring and handle, can let the viewer with the hand pulling handle, and then drive the fly leaf and do the removal of horizontal direction, loosen the handle again and utilize extension spring's resilience force to drive the fly leaf and reset to simulate out the destruction that the horizontal wave in the earthquake brought to the building, make presentation device have interactive, cooperate LCD broadcast propaganda video again, further improved the propaganda education to earthquake knowledge.

Drawings

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic view of a bottom plate of the present invention in a top-down view;

fig. 4 is an enlarged schematic view of a portion a in fig. 1.

In the figure: the device comprises a display platform 1, a motor 2, a support sleeve 3, a cam disc 4, a movable column 5, a demonstration bottom plate 6, a support spring 7, a jacking rod 8, a push plate 9, a sliding rod 10, a movable plate 11, an extension spring 12, a connecting rod 13, a handle 14, a liquid crystal display 15 and an operation panel 16.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the utility model provides an earthquake presentation device for science and technology center, including show stand 1, the standing groove has been seted up to the upper surface of show stand 1, the interior diapire of standing groove fixed mounting respectively has motor 2 and four supporting sleeve 3, four supporting sleeve 3 are the inner wall of rectangle array setting at the standing groove, the output shaft fixedly connected with cam disc 4 of motor 2, the inner wall sliding connection of supporting sleeve 3 has movable post 5, the top fixedly connected with demonstration bottom plate 6 of movable post 5, and the surface cover of movable post 5 is equipped with supporting spring 7.

The top end of a supporting spring 7 is fixedly connected with the lower surface of a demonstration bottom plate 6, the bottom end of the supporting spring 7 is fixedly connected with the upper surface of a supporting sleeve 3, the lower surface of the demonstration bottom plate 6 is fixedly connected with a jacking rod 8, the bottom end of the jacking rod 8 is fixedly connected with a push plate 9, the lower surface of the push plate 9 is in lap joint with a cam disc 4, a groove is formed in the upper surface of the demonstration bottom plate 6, two sliding rods 10 are fixedly connected to the inner wall of the groove, and a movable plate 11 is slidably connected to the surface of each sliding rod 10.

Through the arrangement of the motor 2, the cam disc 4, the movable column 5, the supporting sleeve 3 and the supporting spring 7, the demonstration bottom plate 6 can vibrate up and down in a reciprocating manner, vibration caused by an earthquake can be vividly simulated, damage of longitudinal waves in the earthquake to a building can be demonstrated, and the earthquake demonstration effect is improved.

The surface cover of slide bar 10 is equipped with extension spring 12, and extension spring 12's one end and the fixed surface of fly leaf 11 are connected, and the inner wall fixed connection of the other end and recess, and the front fixedly connected with connecting rod 13 of fly leaf 11, the through-hole has been seted up in the front of demonstration bottom plate 6, and the one end that fly leaf 11 was kept away from to connecting rod 13 extends to the front and the fixedly connected with handle 14 of demonstration bottom plate 6, connecting rod 13 and through-hole sliding connection.

Through setting up fly leaf 11, slide bar 10, extension spring 12 and handle 14, can let the viewer pull handle 14 with the hand, and then drive fly leaf 11 and do the removal of horizontal direction, loosen handle 14 again and utilize extension spring 12's resilience force to drive fly leaf 11 and reset to simulate the destruction that the horizontal wave in the earthquake brought to the building, make the presentation device have interactive.

The last fixed surface of show stand 1 installs LCD 15, and the front of show stand 1 is provided with operating panel 16, and operating panel 16 respectively with motor 2 and LCD 15 electric connection, the architectural model has been placed to the upper surface of fly leaf 11, cooperates LCD 15 broadcast propaganda video again, has further improved the propaganda education to earthquake knowledge.

The working principle is as follows: when the demonstration device is used, firstly, the motor 2 is started, the motor 2 drives the cam disc 4 to rotate, and then the push plate 9 is continuously pushed upwards, the push plate 9 pushes the demonstration bottom plate 6 to reciprocate up and down through the jacking rod 8, the movable column 5 slides on the inner wall of the supporting sleeve 3, the supporting spring 7 can start a certain buffering effect on the up-and-down motion of the demonstration bottom plate 6, a building model is placed on the demonstration bottom plate 6, the vibration caused by earthquake can be vividly simulated, the damage of longitudinal waves in earthquake to the building can be demonstrated, the earthquake demonstration effect is improved, a viewer can pull the handle 14 by hand to drive the movable plate 11 to move in the horizontal direction, the handle 14 is loosened to drive the movable plate 11 to reset by utilizing the resilience force of the stretching spring 12, so that the damage of transverse waves in earthquake to the building can be simulated, and the demonstration device has interactivity, and the propaganda video is played in cooperation with the liquid crystal display 15, so that propaganda education on earthquake knowledge is further improved.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An earthquake demonstration device for science and technology museums, comprising a display stand (1), characterized in that: the standing groove has been seted up to the upper surface of show stand (1), the interior diapire of standing groove fixed mounting respectively has motor (2) and four supporting sleeve (3), the output shaft fixedly connected with cam disc (4) of motor (2), the inner wall sliding connection of supporting sleeve (3) has movable post (5), the top fixedly connected with demonstration bottom plate (6) of activity post (5), and the surface cover of activity post (5) is equipped with supporting spring (7), the lower fixed surface of demonstration bottom plate (6) is connected with lifting rod (8), the bottom fixedly connected with push pedal (9) of lifting rod (8), the lower surface and the cam disc (4) overlap joint of push pedal (9), the upper surface of demonstration bottom plate (6) is seted up flutedly, the inner wall fixedly connected with two slide bars (10) of recess, the surperficial sliding connection of slide bar (10) has fly leaf (11).

2. A seismic demonstration apparatus for a science and technology museum according to claim 1 wherein: the surface of the sliding rod (10) is sleeved with an extension spring (12), one end of the extension spring (12) is fixedly connected with the surface of the movable plate (11), and the other end of the extension spring is fixedly connected with the inner wall of the groove.

3. A seismic demonstration apparatus for a science and technology museum according to claim 1 wherein: the front of the movable plate (11) is fixedly connected with a connecting rod (13), and one end, far away from the movable plate (11), of the connecting rod (13) extends to the front of the demonstration bottom plate (6) and is fixedly connected with a handle (14).

4. A seismic demonstration apparatus for a science and technology museum according to claim 1 wherein: the top end of the supporting spring (7) is fixedly connected with the lower surface of the demonstration bottom plate (6), and the bottom end of the supporting spring (7) is fixedly connected with the upper surface of the supporting sleeve (3).

5. A seismic demonstration apparatus for a science and technology museum according to claim 1 wherein: the upper surface fixed mounting of show stand (1) has LCD (15), and the front of show stand (1) is provided with operating panel (16), and operating panel (16) respectively with motor (2) and LCD (15) electric connection.

6. A seismic demonstration apparatus for a science and technology museum according to claim 1 wherein: and a building model is placed on the upper surface of the movable plate (11).