CN211787775U

CN211787775U - Experimental device convenient for show coriolis force

Info

Publication number: CN211787775U
Application number: CN202020345149.4U
Authority: CN
Inventors: 张海瑞; 吴哈斯; 月英
Original assignee: Hohhot Minzu College
Current assignee: Hohhot Minzu College
Priority date: 2020-03-18
Filing date: 2020-03-18
Publication date: 2020-10-27
Anticipated expiration: 2030-03-18

Abstract

The utility model provides an experimental device convenient for displaying Coriolis force, which relates to the field of physical experimental devices and comprises a panel, wherein the bottom of the panel is fixedly connected with a bottom shell, a rotating mechanism is arranged in the bottom shell, the top of the rotating mechanism is rotatably connected with an arc-shaped rod, the bottom of the panel is also fixedly connected with a shaft sleeve, the inner part of the shaft sleeve is rotatably connected with a driving shaft, the top of the driving shaft penetrates through the outer wall of the panel and extends outwards and is fixedly connected with a rotating handle, the bottom of the driving shaft is fixedly connected with a driving wheel, the side wall of the driving wheel is sleeved with a belt, the belt is in transmission connection with the rotating mechanism, the device can apply positioning force on a transmission column, so that the transmission column can be positioned to an initial position after rotating for a circle, the arc-shaped rod is limited, the motion state, prevent the arc pole slew velocity too fast and take place danger, increased the security of device.

Description

Experimental device convenient for show coriolis force

Technical Field

The utility model relates to a physics experimental apparatus technical field, concretely relates to experimental apparatus convenient to show coriolis force.

Background

Coriolis force, abbreviated as coriolis force, is a description of the deflection of a particle undergoing linear motion in a rotating system relative to linear motion produced by the rotating system due to inertia.

Among the present experimental apparatus, generally carry out the swing motion to the bobble, adopt the experimental apparatus similar to foucault pendulum, make the bobble rotate when swinging, the quality of bobble is generally great, but prior art does not carry on spacingly to the rotating device of bobble, consequently the fixed arm of bobble can not fix the initial position before rotating after rotating, thereby be not convenient for carry out the contrast to the motion state before the bobble moves and after the motion, and apply the security that high-speed rotatory apparatus still probably caused the device, consequently need design an experimental apparatus that security and intuition had simultaneously, be convenient for spectator's intuitionally know the phenomenon that Coriolis force can produce, the spectator of being convenient for knows directly perceivedly

Disclosure of Invention

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides an experimental apparatus convenient to show coriolis force has solved prior art and has not carried on spacingly to the rotating device of bobble, and consequently the fixed arm of bobble can not fix the initial position before rotating after rotating to be not convenient for compare the motion state before the bobble motion and after the motion, and apply the high-speed rotatory apparatus and still probably cause the problem of the security of device.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes:

the utility model provides an experimental apparatus convenient to show Coriolis force, includes the panel, the bottom fixedly connected with bottom casing of panel, the inside of bottom casing is equipped with slewing mechanism, slewing mechanism's top is rotated and is connected with the arc pole, slewing mechanism's one end is kept away from to the arc pole is passed through rope fixedly connected with bobble, the bottom of panel is fixedly connected with axle sleeve still, the inside of axle sleeve is rotated and is connected with the driving shaft, the outside extension and the fixedly connected with of outer wall that the panel was run through at the top of driving shaft are changeed the handle, the bottom fixedly connected with action wheel of driving shaft, the belt has been cup jointed to the lateral wall of action wheel, the belt links to.

Preferably, slewing mechanism includes the transmission post, four group's of inner wall fixedly connected with bracing pieces of bottom casing, four groups the bracing piece is kept away from the one end fixedly connected with bearing of bottom casing inner wall, the transmission post rotates to be connected in the bearing.

Preferably, the bottom of the transmission column is fixedly connected with a driven wheel, and the bottom of the arc-shaped rod is fixedly connected to the top of the transmission column.

Preferably, the driven wheel is connected with the driving wheel in a transmission mode through a belt, and the belt is particularly sleeved on the side walls of the driving wheel and the driven wheel.

Preferably, the outer wall of the transmission column is fixedly connected with an elliptical block, the elliptical block and the transmission column are integrally cast, and two groups of limiting mechanisms matched with the elliptical block are arranged on the inner walls of the two sides of the bottom shell.

Preferably, stop gear includes the cavity post, cavity post fixed connection is at the inner wall of bottom casing, the inside cavity of cavity post, the inner chamber sliding connection of cavity post has the slide bar, the slide bar passes the inside wall of cavity post and outwards extends and fixedly connected with supports tight board, the inner chamber of cavity post is equipped with reset spring, it offsets with oval piece to support one side that tight board kept away from the slide bar.

Preferably, one end of the return spring is abutted against the inner cavity side wall of the hollow column, the other end of the return spring is abutted against the side wall of the sliding rod, and the return spring is in a compression state.

Advantageous effects

The utility model provides an experimental apparatus convenient to show coriolis force. Compared with the prior art, the method has the following beneficial effects:

1. this experimental apparatus convenient to show coriolis force, through setting up the bottom casing, the driving shaft, slewing mechanism and arc pole, make to change in the rotation, change and drive the arc pole through drive mechanism, and then experiment demonstration, drive mechanism includes stop gear, the positioning force can be applyed to the drive post to the stop gear of setting, make the drive post fix a position initial position promptly after rotating the round, it is spacing to the arc pole to have realized, be convenient for contrast rotate preceding and the motion state of rotation back bobble, stop gear can also pass through positioning force restriction user's slew velocity, prevent that arc pole slew velocity is too fast and emergence danger, the security of device has been increased.

2. This experimental apparatus convenient to show coriolis force rotates the drive shaft through rotating and rotates in the axle sleeve, and the drive shaft drives the action wheel and rotates, and the action wheel drives the belt and rotates, and the belt drives from the driving wheel and rotates, drives the transmission post from the driving wheel and rotates in the bearing, and the transmission post drives the arc pole and rotates, can observe experimental phenomenon, and easy operation is convenient, satisfies the user demand.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a view of the structure of the present invention;

fig. 2 is a first cross-sectional view of the present invention;

fig. 3 is a second cross-sectional view of the present invention;

FIG. 4 is a cross-sectional view of the hollow column of the present invention;

in the figure: the device comprises a panel 1, a bottom shell 2, a supporting rod 201, a bearing 202, a transmission column 3, an elliptical block 301, an arc-shaped rod 302, a driven wheel 303, a hollow column 4, a sliding rod 401, a abutting plate 402, a return spring 403, a rotating handle 5, a shaft sleeve 501, a driving shaft 502, a driving wheel 503 and a belt 504.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

The embodiment of the application is through providing an experimental apparatus convenient to show coriolis force, it is spacing not to have solved prior art to the rotating device of bobble, consequently, the fixed arm of bobble can not fix the initial position before rotating after rotating, thereby be not convenient for compare the motion state before the bobble motion with after the motion, and apply the problem that high-speed rotatory apparatus still probably caused the security of device, the stop gear who realizes setting can exert the locating force to the transmission post 3, make the transmission post 3 fix a position initial position promptly after rotating the round, realized spacing arc pole 302, be convenient for compare before rotating with the motion state of rotating the back bobble, spacing mechanism can also pass through locating force restriction user's slew velocity, prevent that arc pole 302 slew velocity is too fast and take place danger, the security of device has been increased.

In order to solve the technical problems, the general idea of the embodiment of the application is as follows:

the fixing arm of the fixing small ball is limited, so that the initial position can be restored after the fixing arm rotates for one circle at each time, and the limiting mechanism can provide force to limit the speed of a user for rotating the fixing arm, so that the safety of the device is improved.

In order to better understand the technical solution, the technical solution will be described in detail with reference to the drawings and the specific embodiments.

An experimental device convenient for displaying Coriolis force, as shown in FIGS. 1-4, comprises a panel 1, a bottom casing 2 is fixedly connected to the bottom of the panel 1, a rotating mechanism is arranged in the bottom casing 2, an arc-shaped rod 302 is rotatably connected to the top of the rotating mechanism, a small ball is fixedly connected to one end, away from the rotating mechanism, of the arc-shaped rod 302 through a rope, a shaft sleeve 501 is further fixedly connected to the bottom of the panel 1, a driving shaft 502 is rotatably connected to the inside of the shaft sleeve 501, the top of the driving shaft 502 penetrates through the outer wall of the panel 1 to extend outwards and is fixedly connected with a rotating handle 5, a driving wheel 503 is fixedly connected to the bottom of the driving shaft 502, a belt 504 is sleeved on the side wall of the driving wheel 503, the belt 504 is in transmission connection with the rotating mechanism, the device is provided with the bottom casing 2, the driving shaft 502, the, and then experiment demonstration, drive mechanism includes stop gear, the stop gear of setting can exert the positioning force to transmission post 3, make transmission post 3 fix a position initial position promptly after rotating the round, realized spacing arc pole 302, be convenient for the contrast rotate before with the motion state of rotation back bobble, stop gear can also pass through positioning force restriction user's slew velocity, prevent that arc pole 302 slew velocity is too fast and dangerous, the security of device has been increased.

Slewing mechanism includes transmission post 3, four group's bracing pieces 201 of inner wall fixedly connected with of bottom casing 2, the one end fixedly connected with bearing 202 of bottom casing 2 inner wall is kept away from to four group's bracing pieces 201, transmission post 3 rotates and connects in bearing 202, the bottom fixedly connected with of transmission post 3 follows driving wheel 303, the specific fixed connection in the top of transmission post 3 in bottom of arc pole 302, it links to each other with the action wheel 503 transmission through belt 504 from driving wheel 303, the specific cup joint of belt 504 is at action wheel 503 and the lateral wall from driving wheel 303, through setting up slewing mechanism, make to change 5 in the rotation, it drives arc pole 302 to change 5 through transmission mechanism, and then carry out the experiment demonstration.

Outer wall fixedly connected with oval piece 301 of transmission post 3, oval piece 301 forms with transmission post 3 casting as an organic whole, the both sides inner wall of bottom casing 2 is equipped with two sets of stop gear with oval piece 301 assorted, through setting up stop gear, can exert the positioning force to transmission post 3, make transmission post 3 fix a position initial position promptly after rotating the round, realized spacing arc pole 302 carries out, be convenient for contrast rotate before with the motion state of rotation back bobble, stop gear can also pass through positioning force restriction user's slew velocity, prevent that arc pole 302 slew velocity is too fast and dangerous, the security of device has been increased.

Stop gear includes cavity post 4, and cavity post 4 fixed connection is at the inner wall of bottom casing 2, and the inside cavity of cavity post 4, the inner chamber sliding connection of cavity post 4 has slide bar 401, and slide bar 401 passes the inside wall of cavity post 4 and outwards extends and fixedly connected with and supports tight board 402, and the inner chamber of cavity post 4 is equipped with reset spring 403, supports tight board 402 and keeps away from one side of slide bar 401 and offsets with oval piece 301.

One end of the return spring 403 abuts against the side wall of the inner cavity of the hollow column 4, the other end of the return spring 403 abuts against the side wall of the sliding rod 401, and the return spring 403 is in a compressed state.

The working principle is as follows: when the user uses, at first promote the certain distance and natural release with the bobble on the curved pole 302, make the bobble do the pendulum motion under the action of gravity, then rotate and change 5, it drives the driving shaft 502 rotation in axle sleeve 501 to change 5, the driving shaft 502 drives the action wheel 503 and rotates, the action wheel 503 drives the belt 504 and rotates, belt 504 drives and rotates from driving wheel 303, it rotates in bearing 202 to drive transmission post 3 from driving wheel 303, transmission post 3 drives curved pole 302 and rotates, the bobble is when the pendulum motion, the accessible observes the motion track of bobble and then the effect of the Coriolis force after curved pole 302 rotates.

When the transmission column 3 rotates, the elliptical block 301 is driven to rotate, when the elliptical block 301 rotates, the abutting plate 402 is also driven to move, the abutting plate 402 drives the sliding rod 401 to slide in the hollow column 4, the sliding rod 401 compresses the return spring 403, when the elliptical block 301 continues to rotate, the return spring 403 stretches and drives the sliding rod 401 to move, the sliding rod 401 drives the abutting plate 402 to abut against the elliptical block 301, and then positioning force is applied to the transmission column 3, so that the transmission column 3 is positioned at an initial position after rotating for one circle.

This device is through setting up bottom casing 2, driving shaft 502, slewing mechanism and arc pole 302, make to change 5 rotating, it drives arc pole 302 to change 5 through drive mechanism, and then the demonstration of testing, drive mechanism includes stop gear, the stop gear of setting can exert the positioning force to transmission post 3, make transmission post 3 fix a position initial position promptly after rotating the round, it is spacing to arc pole 302 to have realized carrying out, be convenient for the contrast rotate before with the motion state of rotation back bobble, stop gear can also pass through positioning force restriction user's slew velocity, prevent that arc pole 302 slew velocity is too fast and dangerous, the security of device has been increased.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. An experimental device for facilitating the demonstration of Coriolis force, comprising a face plate (1), the bottom of the panel (1) is fixedly connected with a bottom shell (2), a rotating mechanism is arranged in the bottom shell (2), the top of the rotating mechanism is rotatably connected with an arc-shaped rod (302), one end of the arc-shaped rod (302) far away from the rotating mechanism is fixedly connected with a small ball through a rope, the bottom of the panel (1) is also fixedly connected with a shaft sleeve (501), the inside of the shaft sleeve (501) is rotatably connected with a driving shaft (502), the top of the driving shaft (502) penetrates through the outer wall of the panel (1) to extend outwards and is fixedly connected with a rotating handle (5), the bottom of the driving shaft (502) is fixedly connected with a driving wheel (503), the side wall of the driving wheel (503) is sleeved with a belt (504), and the belt (504) is in transmission connection with a rotating mechanism.

2. The experimental device for conveniently displaying coriolis force as recited in claim 1, wherein said rotation mechanism comprises a transmission column (3), four sets of support rods (201) are fixedly connected to the inner wall of said bottom housing (2), a bearing (202) is fixedly connected to one end of said four sets of support rods (201) far away from the inner wall of said bottom housing (2), and said transmission column (3) is rotatably connected in said bearing (202).

3. The experimental device for facilitating the demonstration of coriolis force as recited in claim 2, characterized in that the driven wheel (303) is fixedly connected to the bottom of said transmission column (3), and the bottom of said arc-shaped rod (302) is fixedly connected to the top of said transmission column (3).

4. The experimental device for facilitating demonstration of coriolis force as claimed in claim 3, wherein said driven wheel (303) is drivingly connected to said driving wheel (503) through a belt (504), and said belt (504) is specifically sleeved on the side walls of said driving wheel (503) and said driven wheel (303).

5. The experimental device for conveniently displaying coriolis force as claimed in claim 2, wherein an elliptical block (301) is fixedly connected to the outer wall of the transmission column (3), the elliptical block (301) and the transmission column (3) are integrally cast, and two sets of limiting mechanisms matched with the elliptical block (301) are arranged on the inner walls of the two sides of the bottom shell (2).

6. The experimental device for conveniently exhibiting the coriolis force as recited in claim 5, wherein said limiting mechanism comprises a hollow column (4), said hollow column (4) is fixedly connected to the inner wall of the bottom housing (2), said hollow column (4) is hollow inside, a sliding rod (401) is slidably connected to the inner cavity of said hollow column (4), said sliding rod (401) passes through the inner wall of the hollow column (4) to extend outwards and is fixedly connected with a tightening plate (402), said inner cavity of said hollow column (4) is provided with a return spring (403), and one side of said tightening plate (402) far away from the sliding rod (401) is pressed against the elliptical block (301).

7. The experimental device for facilitating the demonstration of coriolis force according to claim 6, characterized in that one end of the return spring (403) abuts against the inner cavity side wall of the hollow column (4), the other end of the return spring (403) abuts against the side wall of the slide rod (401), and the return spring (403) is in a compressed state.