CN212460967U

CN212460967U - Experimental vibrator for engineering mechanics

Info

Publication number: CN212460967U
Application number: CN202021368462.6U
Authority: CN
Inventors: 梁伟哲
Original assignee: Harbin University of Science and Technology
Current assignee: Harbin University of Science and Technology
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2021-02-02
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses an engineering mechanics is with experiment vibrator, the on-line screen storage device comprises a base, a plurality of springs of base top outer wall fixedly connected with, spring top fixedly connected with loading board, loading board bottom outer wall fixedly connected with vibrating motor, the spring inner wall is provided with the piston rod, a plurality of equipment grooves have been seted up to base bottom outer wall, equipment inslot wall fixedly connected with pneumatic cylinder, pneumatic cylinder top and piston rod fixed connection. The utility model discloses a set up vibrating motor and drive the loading board vibration to the building model vibration at drive loading board top has realized the simulation experiment volume purpose, drives the piston rod through setting up the pneumatic cylinder and goes up and down, thereby has changed the height of piston rod in the spring, and the vibration range of spring receives the restriction of piston rod, and the piston rod of co-altitude has leaded to the spring to have different vibration ranges, has finally realized the purpose of regulating spring vibration range.

Description

Experimental vibrator for engineering mechanics

Technical Field

The utility model relates to a vibrator technical field especially relates to an engineering mechanics is with experiment vibrator.

Background

Engineering mechanics relates to the field of numerous branches of mechanical disciplines and wide engineering technologies, is a technical basic discipline which has strong theoretical performance and is closely related to engineering technologies, and the theorem, law and conclusion of engineering mechanics are widely applied to the engineering technologies of various industries and are an important basis for solving the actual engineering problems.

In engineering mechanics teaching and demonstration processes, the damage process of vibration to a building structure needs to be demonstrated, and the earthquake resistance of a building needs to be simulated and detected, but because the traditional vibration device is single in vibration form and fixed in vibration amplitude, different vibration forms and different vibration amplitudes are difficult to research, and therefore, the research of the vibration device with the function of adjusting the vibration amplitude is necessary.

Disclosure of Invention

The utility model aims at solving the shortcoming that exists among the prior art, and the experimental vibrator for engineering mechanics who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an engineering mechanics is with experiment vibrator, includes the base, a plurality of springs of base top outer wall fixedly connected with, spring top fixedly connected with loading board, loading board bottom outer wall fixedly connected with vibrating motor, the spring inner wall is provided with the piston rod, a plurality of equipment grooves have been seted up to base bottom outer wall, equipment inslot wall fixedly connected with pneumatic cylinder, pneumatic cylinder top and piston rod fixed connection, equipment groove bottom rotates and is connected with the second apron.

Preferably, base top outer wall one end fixedly connected with curb plate, loading board one end outer wall fixedly connected with hoist engine is kept away from to the curb plate, and the hoist engine rotates and is connected with wire rope, and wire rope is close to loading board one end fixedly connected with coupling mechanism.

Preferably, coupling mechanism includes fixed block and couple, fixed block outer wall and loading board one end outer wall fixed connection, and the fixed block inner wall is provided with the connecting rod, and connecting rod one end fixed connection draws the piece, couple one end and wire rope fixed connection, and couple and fixed block pass through the connecting rod and realize dismantling the connection.

Preferably, the inner wall of the pulling block is provided with a through hole.

Preferably, the four corners of the outer wall of the bottom of the base are fixedly connected with support legs, the bottoms of the support legs are rotatably connected with pulleys, fixing rods are fixedly connected to two sides of the outer wall of one end of the base, and cross rods are fixedly connected between two sides of the fixing rods.

Preferably, the outer wall of the top of the base is in threaded connection with an anchor rod, and the bottom of the anchor rod is fixedly connected with a supporting rubber mat.

Preferably, the bearing plate top fixedly connected with box, box one end outer wall rotate and are connected with first apron, and first apron rotates with the bearing plate to be connected, and first apron outer wall fixedly connected with transparent plate.

The utility model has the advantages that:

1. drive the loading board vibration through setting up vibrating motor to drive the architectural model vibration at loading board top, realized simulation experiment volume purpose, driven the piston rod through setting up the pneumatic cylinder and gone up and down, thereby changed the height of piston rod in the spring, the vibration range of spring receives the restriction of piston rod, and the piston rod of co-altitude has led to the spring to have different vibration ranges, has finally realized the purpose of regulating spring vibration range.

2. The connecting rod in the fixing block is hooked through the hook, so that the steel wire rope is stretched through the winch, the bearing plate connected with the fixing block is stretched, the spring is deformed, a user passes through the through hole through a tool to pull the pulling block, the connecting rod is pulled out, the hook and the fixing block are separated, the spring which deforms can be recovered to drive the bearing plate to vibrate violently, and the experiment of violent vibration of the building model is realized.

3. The box through setting up the loading board top makes the architectural model at loading board top be in relative confined space, avoids the architectural model because violent vibrations take place to disintegrate, and the part flies in disorder, and the installation of the architectural model of being convenient for through setting up first apron is lapped to the effect of the protection of playing, and through the transparent plate person of being convenient for use who laps on the first apron to the observation in the box.

Drawings

Fig. 1 is a schematic view of a main structure of an experimental vibration device for engineering mechanics according to embodiment 1 of the present invention;

fig. 2 is a schematic cross-sectional structure view of an experimental vibration device for engineering mechanics according to embodiment 1 of the present invention;

fig. 3 is a schematic view of a connecting mechanism of an experimental shaking device for engineering mechanics according to the present invention;

fig. 4 is the embodiment 2 of the present invention provides a schematic structural diagram of a main body of an experimental vibration device for engineering mechanics.

In the figure: the device comprises a base 1, a supporting leg 2, a pulley 3, a supporting rubber mat 4, an anchor rod 5, a cross rod 6, a fixing rod 7, a side plate 8, a steel wire rope 9, a bearing plate 10, a first cover plate 11, a piston rod 12, a spring 13, a vibrating motor 14, a hydraulic cylinder 15, a second cover plate 16, an equipment groove 17, a winch 18, a fixing block 19, a pulling block 20, a connecting rod 21, a hook 22, a through hole 23, a box 24 and a transparent plate 25.

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.

Example 1

Referring to fig. 1-3, an experimental vibration device for engineering mechanics comprises a base 1, a plurality of springs 13 are fixedly connected to the outer wall of the top of the base 1, a bearing plate 10 is fixedly connected to the top of the springs 13, a vibration motor 14 is fixedly connected to the outer wall of the bottom of the bearing plate 10, a piston rod 12 is arranged on the inner wall of the springs 13, a plurality of equipment grooves 17 are formed in the outer wall of the bottom of the base 1, a hydraulic cylinder 15 is fixedly connected to the inner wall of each equipment groove 17, the top of the hydraulic cylinder 15 is fixedly connected to the piston rod 12, a second cover plate 16 is rotatably connected to the bottom of each equipment groove 17, the bearing plate 10 is driven to vibrate by the vibration motor 14, so that a building model on the top of the bearing plate 10 is driven to vibrate, the purpose of simulating experiment is achieved, the piston rod 12 is, the different heights of the piston rods 12 result in different vibration amplitudes of the spring 13, and finally the purpose of adjusting the vibration amplitude of the spring 13 is achieved.

In the utility model, one end of the outer wall of the top of the base 1 is fixedly connected with a side plate 8, the outer wall of the side plate 8 far away from the bearing plate 10 is fixedly connected with a windlass 18, the windlass 18 is rotatably connected with a wire rope 9, the wire rope 9 is close to one end of the bearing plate 10 and is fixedly connected with a connecting mechanism, the connecting mechanism comprises a fixed block 19 and a hook 22, the outer wall of the fixed block 19 is fixedly connected with the outer wall of one end of the bearing plate 10, the inner wall of the fixed block 19 is provided with a connecting rod 21, one end of the connecting rod 21 is fixedly connected with a pull block 20, one end of the hook 22 is fixedly connected with the wire rope 9, the hook 22 and the fixed block 19 are detachably connected through the connecting rod 21, the inner wall of the pull block 20 is provided with a through hole, a user pulls the pull block 20 through the through hole 23 by a tool to pull out the connecting rod 21, so that the hook 22 is separated from the fixed block 19, and the deformed spring 13 can be recovered to drive the loading plate 10 to vibrate violently, thereby realizing a violent vibration experiment on the building model;

the four corners of the outer wall of the bottom of the base 1 are fixedly connected with support legs 2, the bottoms of the support legs 2 are rotatably connected with pulleys 3, two sides of the outer wall of one end of the base 1 are fixedly connected with fixed rods 7, and a cross rod 6 is fixedly connected between two sides of each fixed rod 7, so that the device has mobility and is convenient to transport;

equal threaded connection in base 1 top outer wall has

stock

5, and 5 bottom fixedly connected with of stock support cushion 4, when the use device, make through rotatory stock 5 and support cushion 4 and prop up the device, make the device have high stability.

The working principle is as follows: in the idle position of the device, all the components in the above are referred to as structural members to be connected, and the specific connection means refers to the following working principle that the components are connected in sequence, the detailed connection means is a known technology in the field, the following main description is about the working principle and process, and no description is given to the working principle and process, when the device is used, the vibration motor 14 is arranged to drive the bearing plate 10 to vibrate, so that the building model on the top of the bearing plate 10 is driven to vibrate, the purpose of simulating the experiment is realized, the hydraulic cylinder 15 is arranged to drive the piston rod 12 to lift, so that the height of the piston rod 12 in the spring 13 is changed, the vibration amplitude of the spring 13 is limited by the piston rod 12, the piston rods 12 with different heights cause the spring 13 to have different vibration amplitudes, and the purpose of adjusting the vibration amplitude of the.

Example 2

Referring to fig. 3-4, an experimental vibration device for engineering mechanics, a box body 24 is fixedly connected to the top of a bearing plate 10, a first cover plate 11 is rotatably connected to the outer wall of one end of the box body 24, the first cover plate 11 is rotatably connected to the bearing plate 10, and a transparent plate 25 is fixedly connected to the outer wall of the first cover plate 11.

The working principle is as follows: make the model building at loading plate 10 top be in relative confined space through the box 24 that sets up loading plate 10 top, avoid the model building because violent vibrations take place to disintegrate, the part flies in disorder, the effect of the protection of playing, the installation of the model building of being convenient for through setting up first apron 11, and through the transparent plate 25 on the first apron 11 convenient to use person to the observation in the box 25.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides an engineering mechanics is with experiment vibrator, includes base (1), its characterized in that, a plurality of springs (13) of base (1) top outer wall fixedly connected with, spring (13) top fixedly connected with loading board (10), loading board (10) bottom outer wall fixedly connected with vibrating motor (14), spring (13) inner wall is provided with piston rod (12), a plurality of equipment grooves (17) have been seted up to base (1) bottom outer wall, equipment groove (17) inner wall fixedly connected with pneumatic cylinder (15), pneumatic cylinder (15) top and piston rod (12) fixed connection, equipment groove (17) bottom is rotated and is connected with second apron (16).

2. The experimental vibration device for engineering mechanics as claimed in claim 1, wherein a side plate (8) is fixedly connected to one end of the outer wall of the top of the base (1), a winch (18) is fixedly connected to the outer wall of one end of the side plate (8) far away from the bearing plate (10), the winch (18) is rotatably connected to a steel wire rope (9), and a connecting mechanism is fixedly connected to one end of the steel wire rope (9) close to the bearing plate (10).

3. The experimental vibration device for engineering mechanics as claimed in claim 2, wherein the connection mechanism comprises a fixing block (19) and a hook (22), the outer wall of the fixing block (19) is fixedly connected with the outer wall of one end of the bearing plate (10), a connecting rod (21) is arranged on the inner wall of the fixing block (19), a pulling block (20) is fixedly connected with one end of the connecting rod (21), one end of the hook (22) is fixedly connected with the steel wire rope (9), and the hook (22) and the fixing block (19) are detachably connected through the connecting rod (21).

4. The experimental vibration device for engineering mechanics as claimed in claim 3, characterized in that the inner wall of the pulling block (20) is provided with a through hole (23).

5. The experimental vibration device for engineering mechanics as claimed in claim 1 or 2, wherein the four corners of the outer wall of the bottom of the base (1) are fixedly connected with the support legs (2), the bottom of each support leg (2) is rotatably connected with the pulley (3), the two sides of the outer wall of one end of the base (1) are fixedly connected with the fixing rods (7), and the two sides of each fixing rod (7) are fixedly connected with the cross rod (6).

6. The experimental vibration device for engineering mechanics according to claim 1, characterized in that the outer wall of the top of the base (1) is connected with an anchor rod (5) in a threaded manner, and the bottom of the anchor rod (5) is fixedly connected with a supporting rubber mat (4).

7. The experimental vibration device for engineering mechanics as claimed in claim 1, characterized in that the top of the bearing plate (10) is fixedly connected with a box body (24), the outer wall of one end of the box body (24) is rotatably connected with a first cover plate (11), the first cover plate (11) is rotatably connected with the bearing plate (10), and the outer wall of the first cover plate (11) is fixedly connected with a transparent plate (25).