CN218384313U

CN218384313U - Resonance demonstration device

Info

Publication number: CN218384313U
Application number: CN202222745015.3U
Authority: CN
Inventors: 卢小飞; 权彧
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-10-18
Filing date: 2022-10-18
Publication date: 2023-01-24
Anticipated expiration: 2032-10-18

Abstract

The utility model relates to the technical field of resonance demonstration experiments, in particular to a resonance demonstration device which can clearly demonstrate resonance phenomena; the utility model discloses a support structure, including a base, two sets of bracing pieces, go up the slat, two sets of long ropes, two sets of short ropes and four group's nuts, the top of base is equipped with the multiunit spliced eye, two sets of bracing pieces are through the installation on the base with the cooperation diagonal angle of spliced eye, it is equipped with two sets of mounting holes to go up the symmetry on the slat, the winding board passes through the mounting hole and installs on two sets of bracing pieces with the cooperation detachable of bracing piece, the equidistance is equipped with four group's rope holes on the winding board, two sets of long ropes and two sets of short ropes clamp on last slat through the inseparable cooperation slidable with the rope hole, and two sets of long ropes and two sets of short ropes distribute each other in a staggered way, four group's nuts are tied respectively and are even at the end of two sets of long ropes and two sets of short ropes.

Description

Resonance demonstration device

Technical Field

The utility model relates to a technical field of resonance demonstration experiment especially relates to resonance presentation device.

Background

Resonance refers to the situation where a physical system vibrates at a higher amplitude than other frequencies at a particular frequency; the specific frequency is called as a resonance frequency, in short, one object vibrates to cause the vibration of other objects, and under the resonance frequency, very small periodic vibration can generate very large vibration.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a resonance demonstration device of demonstration resonance phenomenon that can understand.

The utility model discloses a resonance presentation device, the on-line screen storage device comprises a base, two sets of bracing pieces, go up the slat, two sets of long ropes, two sets of short ropes and four group's nuts, the top of base is equipped with the multiunit spliced eye, two sets of bracing pieces are through the installation on the base with the cooperation diagonal angle of spliced eye, it is equipped with two sets of mounting holes to go up the symmetry on the slat, the mounting panel passes through the mounting hole and installs on two sets of bracing pieces with the cooperation detachable of bracing piece, the equidistance is equipped with four group's rope holes on the mounting panel, two sets of long ropes and two sets of short ropes clamp on the last slat through the slidable that closely cooperates with the rope hole, and two sets of long ropes and two sets of short ropes crisscross distribution each other, four group's nuts tie respectively at the end of two sets of long ropes and two sets of short ropes.

The utility model discloses a resonance presentation device, the top of two sets of long ropes and two sets of short ropes is all connected and is equipped with the rope handle.

The utility model discloses a resonance presentation device, it is equipped with the bearing ring all to fix the cover on two sets of bracing pieces to the top of two sets of bearing rings contacts with the bottom of last slat.

Compared with the prior art, the beneficial effects of the utility model are that: firstly, the fit of the mounting hole and the supporting rod is interference fit, during an experiment, the device is flatly placed to keep the device static, firstly, one group of short ropes is pulled to a certain angle, the pulling direction is vertical to the plane formed by the supporting rod and the upper strip plate, the short ropes are kept straight, then the short ropes are loosened, at the moment, the short ropes start to swing automatically under the action of nuts, along with the swinging, the other group of static short ropes also start to swing, the two groups of long ropes do not swing, the swinging frequencies of the two groups of short ropes are the same, and the frequency is the resonance frequency of the two groups of short ropes; then the two groups of short ropes are static, then one group of long ropes are pulled to a certain angle, the pulling direction is vertical to the plane formed by the support rod and the upper batten, the long ropes are kept straight, then the long ropes are loosened, at the moment, the long ropes start to swing under the action of the nuts, the other group of static long ropes also start to swing along with the swinging, the two groups of short ropes do not swing, the swinging frequencies of the two groups of long ropes are the same, the frequency is the resonance frequency of the two groups of long ropes, and therefore the fact that one object vibrates to cause the vibration of other objects can be clearly demonstrated, and the other object also can generate large vibration under the resonance frequency is the resonance phenomenon.

Drawings

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

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

fig. 3 is a schematic upper side view of the present invention;

fig. 4 is a schematic view of the upper side structure of the upper slat in the present invention;

in the drawings, the reference numbers: 1. a base; 2. inserting holes; 3. a support bar; 4. c, loading a ribbon board; 5. mounting holes; 6. rope holes; 7. a long rope; 8. short ropes; 9. a nut; 10. a rope handle; 11. a bearing ring.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the utility model discloses a resonance demonstration device, including base 1, two sets of bracing piece 3, upper slat 4, two sets of long ropes 7, two sets of short ropes 8 and four sets of nuts 9, the top of base 1 is equipped with multiunit spliced eye 2, two sets of bracing piece 3 are through the installation on base 1 with the cooperation diagonal angle of spliced eye 2, upper slat 4 is last to be equipped with two sets of mounting holes 5 symmetrically, upper slat 4 is installed on two sets of bracing piece 3 through the cooperation detachable of mounting hole 5 with bracing piece 3, the equidistance is equipped with four sets of rope holes 6 on upper slat 4, two sets of long ropes 7 and two sets of short ropes 8 clamp on upper slat 4 through the close fit slidable with rope hole 6, and two sets of long ropes 7 and two sets of short ropes 8 are crisscross each other and distribute, four sets of nuts 9 are bolted respectively at the end of two sets of long ropes 7 and two sets of short ropes 8; firstly, the fitting of the mounting hole 5 and the supporting rod 3 is interference fit, during an experiment, the device is flatly placed to keep the device static, firstly, one group of short ropes 8 is pulled to a certain angle, the pulling direction is vertical to the plane formed by the supporting rod 3 and the upper batten 4, the short ropes 8 are kept straight, then the short ropes are loosened, at the moment, the short ropes 8 start to swing automatically under the action of the nuts 9, the other group of static short ropes 8 also start to swing along with the swinging, the two groups of long ropes 7 do not swing, the swinging frequencies of the two groups of short ropes 8 are the same, and the frequency is the resonance frequency of the two groups of short ropes 8; then the two groups of short ropes 8 are static, then one group of long ropes 7 is pulled to a certain angle, the pulling direction is vertical to the plane formed by the supporting rod 3 and the upper strip plate 4, the long ropes 7 are kept straight, then the long ropes 7 are loosened, the long ropes 7 start to swing under the action of the nuts 9, the other group of static long ropes 7 start to swing along with the swinging, the two groups of short ropes 8 do not swing, the swinging frequency of the two groups of long ropes 7 is the same, the frequency is the resonance frequency of the two groups of long ropes 7, and therefore the vibration of other objects caused by the vibration of one object can be clearly demonstrated, and the vibration of the other object can be greatly generated under the resonance frequency, namely the resonance phenomenon.

In the resonance demonstration device of the utility model, the top ends of the two groups of long ropes 7 and the two groups of short ropes 8 are both connected with a rope handle 10; through setting up the rope 10, can conveniently spur long rope 7 and short rope 8 and adjust length, reduce and use the limitation.

In the resonance demonstration device of the utility model, the two groups of support rods 3 are fixedly sleeved with the bearing rings 11, and the top ends of the two groups of bearing rings 11 are contacted with the bottom end of the upper strip plate 4; through setting up bearing ring 11, can prevent effectively that the condition of gliding from appearing in the experimentation in mounting hole 5, improve and use the reliability.

The utility model discloses a resonance presentation device, it is when the experiment, the device of keeping flat, make the device keep static, at first, stimulate a set of short rope 8 to certain angle earlier, the pulling direction is perpendicular with the plane that bracing piece 3 and upper slitter plate 4 constitute, and keep short rope 8 to straighten, then loosen, short rope 8 begins by the swing under the effect of nut 9 this moment, along with the going on of swing, another static short rope 8 of group also begins to swing, and two sets of long ropes 7 do not take place to swing, and the swing frequency of two sets of short ropes 8 is the same, this frequency is exactly the resonance frequency of two sets of short ropes 8; then the two groups of short ropes 8 are static, then one group of long ropes 7 is pulled to a certain angle, the pulling direction is vertical to the plane formed by the support rod 3 and the upper strip plate 4, the long ropes 7 are kept straight, then the long ropes 7 are loosened, at the moment, the long ropes 7 start to swing under the action of the nuts 9, the other group of static long ropes 7 also start to swing along with the swinging, the two groups of short ropes 8 do not swing, the swinging frequencies of the two groups of long ropes 7 are the same, the frequency is the resonance frequency of the two groups of long ropes 7, and therefore the resonance phenomenon that one object vibrates to cause the vibration of other objects and the other object generates great vibration under the resonance frequency is clearly demonstrated.

The resonance demonstration device of the utility model has the advantages that the installation mode, the connection mode or the setting mode are common mechanical modes, and the resonance demonstration device can be implemented as long as the beneficial effects can be achieved; those skilled in the art can install and operate the device according to the attached instructions.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a resonance presentation device, characterized in that, including base (1), two sets of bracing piece (3), go up slat (4), two sets of long rope (7), two sets of short rope (8) and four group nut (9), the top of base (1) is equipped with multiunit spliced eye (2), two sets of bracing piece (3) through with the cooperation diagonal angle of spliced eye (2) install on base (1), go up slat (4) and go up the symmetry and be equipped with two sets of mounting holes (5), go up slat (4) and install on two sets of bracing piece (3) through the cooperation detachable of mounting hole (5) and bracing piece (3), upward equidistant four group rope holes (6) that are equipped with are gone up in slat (4), two sets of long rope (7) and two sets of short rope (8) clamp on last slat (4) through the inseparable cooperation slidable with rope hole (6) to two sets of long rope (7) and two sets of short rope (8) crisscross distribution each other, four group nut (9) are tied respectively at the end of two sets of long rope (7) and two sets of short rope (8).

2. The resonance demonstration apparatus according to claim 1, wherein a handle (10) is connected to the top ends of the two long ropes (7) and the two short ropes (8).

3. The resonance demonstration apparatus according to claim 2, wherein the two sets of support rods (3) are each provided with a support ring (11) fixed thereto, and the top ends of the two sets of support rings (11) are in contact with the bottom ends of the upper slats (4).