CN206774043U - A kind of Novel transverse wave characteristic demonstration instrument - Google Patents
A kind of Novel transverse wave characteristic demonstration instrument Download PDFInfo
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- CN206774043U CN206774043U CN201720483172.8U CN201720483172U CN206774043U CN 206774043 U CN206774043 U CN 206774043U CN 201720483172 U CN201720483172 U CN 201720483172U CN 206774043 U CN206774043 U CN 206774043U
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- cross bar
- simple harmonic
- portal
- harmonic quantity
- transverse wave
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Abstract
The utility model discloses a kind of Novel transverse wave characteristic demonstration instrument, including Demonstration table, portal, oscillator system, dolly；Portal includes the two root posts at crossbeam and crossbeam both ends, and portal is connected to Demonstration table by two root posts；Vertical groove is correspondingly provided with the two root posts of portal；Oscillator system includes the spring for being connected to crossbeam, is connected to the cross bar of lower spring end, is connected to the simple harmonic quantity frame and gravitation ball of cross bar；The both ends of cross bar coordinate with groove and cross bar vertical displacement in groove；The through hole and gravitation ball being provided with gravitation ball through the centre of sphere are enclosed on simple harmonic quantity frame；Dolly is located at the underface of oscillator system, and tank is provided with dolly, is filled with water in tank and tank is located at the lower section of simple harmonic quantity frame.The utility model is easy to carry and stored, and the experiment degree of accuracy is high, can provide simple harmonic oscillation and produce visual simple transversal wave, moreover it is possible to provides the characterization of the ripples such as the propagation of shear wave, interference, diffraction, Doppler effect.
Description
Technical field
It the utility model is related to teaching experimental equipment field, and in particular to a kind of Novel transverse wave characteristic demonstration instrument.
Background technology
Crest, trough, wavelength are demonstrated in school experiment room using by hand Simulating Transverse Wave demonstration instrument at present, by ripple
Peak, trough, wavelength are printed upon on the banner of a bar shaped, and the communication process of ripple is represented by the lateral displacement of banner；Now
There is water wave interference demonstration instrument device in laboratory, and water wave interference demonstration instrument device excites ripples by electromagnetic viscosimeter, is mainly used in illustrating
The interference of ripples and diffraction, it is important that the ripples that electromagnetic viscosimeter excites can not be identified as monochromatic wave.In physical field, machinery
Ripple caused by vibration is transmitted by the form of sound wave, but sound wave is compressional wave, and compressional wave can not be entered by simple experimental facilities
The observation and analysis of row system.Current experimental demonstration equipment and test method can not accurately reflect generation and the biography of shear wave
Broadcast, the wave characteristic such as interference, diffraction and Doppler effect to ripple also intuitively can not be shown and be analyzed；In addition, mesh
Preceding experimental facilities is the structure of fixed installation, not readily portable, and some fine and closely woven parts in equipment can not obtain good
Storage keeping, equipment are easily damaged, and the accuracy that the service life of equipment is not grown and tested can not also be protected.Therefore
Technical problem urgently to be resolved hurrily in this respect be present.
Utility model content
In order to solve the above technical problems, the utility model discloses a kind of Novel transverse wave characteristic demonstration instrument, it is intended to carries
It is easy to carry and stores for one kind, the experiment degree of accuracy is high, using the teaching of the invention it is possible to provide simple harmonic oscillation simultaneously produces visual simple transversal wave displaying horizontal stroke
The crest of ripple, trough, measurement wavelength, additionally it is possible to which the characteristic exhibition of the ripples such as the propagation of shear wave, interference, diffraction, Doppler effect is provided
The transversal wave demonstration device shown.
The technical solution adopted in the utility model is：
A kind of Novel transverse wave characteristic demonstration instrument, including Demonstration table, portal, oscillator system, dolly.
Specifically, portal includes the two root posts at crossbeam and crossbeam both ends, and portal is connected to by two root posts
Demonstration table.Portal is used to fix oscillator system.
Further, the two root posts of portal are provided with the vertical groove of position correspondence；Oscillator system includes being connected to horizontal stroke
The spring of beam, the cross bar of lower spring end is connected to, is connected to the simple harmonic quantity frame of cross bar and the gravitation ball being connected on simple harmonic quantity frame.
Further, the both ends of cross bar and groove coordinate and cross bar vertical displacement in groove, are provided with gravitation ball through ball
The through hole and gravitation ball of the heart are enclosed on simple harmonic quantity frame.
The vibration that oscillator system passes through spring drives the cross bar of lower section and simple harmonic quantity frame to vibrate, and passes through matching somebody with somebody for cross bar and groove
Close, make oscillator system under the guiding of groove along straight reciprocating motion, simple harmonic oscillation more standard.By the parameter for changing spring
The relevant parameter of simple harmonic oscillation can be adjusted.
Dolly is located at the lower section of oscillator system, and tank is provided with dolly, is filled with water in tank and tank is located at simple harmonic quantity frame
Lower section.
It is filled with water in tank for producing ripples, produces the water surface when being collided in simple harmonic quantity frame vibration screw clamp with the water surface horizontal
Ripple, the shear wave can embody the vibration frequency of oscillator system；And the amplitude of oscillator system can influence the collision of simple harmonic quantity frame and the water surface
Dynamics, so as to influence the amplitude of ripples.
Further, the side of described Demonstration table is correspondingly arranged on clamp rail, and clamp rail is provided with opening in Demonstration table upper surface, and
Clamping block is provided with clamp rail.
Further, the correspondence position of described portal two root posts is provided with neck, and the lower end of column is provided with opening for neck
Mouthful；Neck enters to coordinate with clamp rail from the clamp rail opening of Demonstration table upper surface to be fixed, and clamp rail coordinates with neck to be realized to portal
The adjustment of top cross-bar height.
By adjusting the height of portal entablature, portal is adapted to the oscillator system of various amplitude, makes compatibility
It is good.
Further, described Demonstration table is hollow and at least one side is opening, is provided with and puts on Demonstration table madial wall
Nitride layer.Object-putting layer uses as dolly, oscillator system and the portal on storage Demonstration table, can protect dolly, oscillator system
And portal, avoid it from being extended its service life by damage；Dolly and tank can be inverted on object-putting layer simultaneously,
Water in tank is gradually excluded, makes equipment keep drying neatly；And by the dolly on Demonstration table, oscillator system and portal
It is easy to the storage of a whole set of instrument to put after storage.
Further, described number of springs is that quantity is even number to spring under normal conditions, when spring more than or equal to one
Quantity is more than for the moment, and spring is centrosymmetrically arranged on cross bar.
Further, described cross bar quantity is two, and a cross bar is connected to the top of simple harmonic quantity frame, and another cross bar is connected to
The bottom of simple harmonic quantity frame, two cross bars make simple harmonic quantity frame in the vertical direction displacement.
Further, described tank is made of clear material, and tank is provided with length close to the side of the column of portal
Anale settting scale.Tank is typically made up of materials such as transparent plastic or glass, is easy to observe ripples by the side of tank
Waveform and propagation dynamic；Length scales can be may also help in and ripple is calculated with the wavelength of direct measurement ripples, range parameter
Speed.
Further, the medial surface of described tank is provided with wave absorption layer.
Wave absorption layer is typically made up of sponge material, and wave absorption layer is located at ripples direction of advance, and the ripples of direction of advance are absorbed,
Do not produce back wave.
Further, described simple harmonic quantity frame is T-shaped frame, and T-shaped frame vertical rod passes through cross bar, and horizon bar is placed under vertical rod
End.The lower end of T-shaped frame produces ripples in vibration with water surface collision.
Further, there is pilot hole on described crossbeam, the upper end of simple harmonic quantity frame passes from pilot hole, pilot hole and simple harmonic quantity frame
Cooperation makes axial movement of the simple harmonic quantity frame in pilot hole.
Compared with prior art, the beneficial effects of the utility model are：
1. the utility model is simple in construction, it is easy to realize, easy to operate.
2. the utility model sets dismountable door type frame, and in Demonstration table inner surface setting object-putting layer, object-putting layer storage
Dolly, tank and portal on Demonstration table, it is bigger to the protection of portal and dolly, and tank can be helped to dry, pole
Service life of the present utility model is extended greatly, and is easy to store.
3. the utility model sets neck to coordinate with clamp rail, the beam height on portal is adjusted, enables portal simultaneous
Hold the oscillator system of a variety of amplitudes, overall compatibility and adaptability are stronger, may apply in more experiments and collect and test
Demonstrate,prove more data.
4. the utility model sets groove and the oscillator system with gravitation ball to coordinate, make oscillator system point-blank
Vibration, produce more intuitively, time longer simple harmonic oscillation and monochromatic wave.
Brief description of the drawings
, below will be to required use in embodiment in order to illustrate more clearly of the technical scheme of the utility model embodiment
Accompanying drawing be briefly described, it will be appreciated that the following drawings show but section Example of the present utility model, therefore should
Regard the restriction to scope as, for those of ordinary skill in the art, on the premise of not paying creative work, may be used also
To obtain other related accompanying drawings according to these accompanying drawings.
Fig. 1 is structural representation of the present utility model.
Fig. 2 is left view of the present utility model.
Fig. 3 is front view of the present utility model.
Fig. 4 is the utility model storage schematic diagram.
Fig. 5 is the utility model storage schematic diagram.
Fig. 6 is the utility model storage schematic diagram.
Fig. 7 is the structural representation that the utility model is implemented by the second way.
Fig. 8 is the structural scheme of mechanism that the utility model is implemented by the third mode.
It is entitled corresponding to reference in above-mentioned accompanying drawing：1- Demonstration tables, 101- clamp rails, 102- object-putting layers, 2- door shapes
Frame, 201- grooves, 202- necks, 3- dollies, 301- tanks, 302- length scales, 4- cross bars, 5- simple harmonic quantity framves, 6- gravitation balls, 7-
Spring.
Embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.Embodiment of the present utility model includes but is not limited to
The following example.
Embodiment one
As shown in figure 1, present embodiment discloses a kind of Novel transverse wave characteristic demonstration instrument, including Demonstration table 1, portal 2,
Oscillator system, dolly 3.
Specifically, portal 2 includes the two root posts at crossbeam and crossbeam both ends, and portal 2 is connected by two root posts
To Demonstration table 1.
Preferably, portal 2 is fixed on the side of Demonstration table 1.
As shown in Figure 1 and Figure 2, the two root posts of portal 2 are provided with the vertical groove 201 of position correspondence.
Preferably, groove 201 is vertical slots.
As shown in figure 1, oscillator system includes the spring 7 for being connected to crossbeam, the cross bar 4 of the lower end of spring 7 is connected to, is connected to
The simple harmonic quantity frame 5 of cross bar 4 and the gravitation ball 6 being connected on simple harmonic quantity frame 5；The both ends of cross bar 4 coordinate with groove 201 and cross bar 4 is recessed
Vertical displacement in groove 201.
Preferably, the boss of connecting spring 7 is provided with cross bar 4, spring 7 is welded and fixed on boss.
Preferably, cross bar 4 is cylinder, and the diameter of cross bar 4 is slightly less than the width of groove 201.
As shown in figure 1, the through hole and gravitation ball that are provided with gravitation ball 6 through the centre of sphere are enclosed on simple harmonic quantity frame 5；Dolly 3 is located at
The underface of oscillator system, and tank 301 is provided with dolly 3, is filled with water in tank 3 and tank 3 is located at the lower section of simple harmonic quantity frame 5.
Preferably, gravitation ball 6 is that the quantity of shot and gravitation ball 6 is two.
Preferably, dolly 3 is flat car, and the lower surface of dolly 3 is connected with four wheels.
As shown in Figure 1 and Figure 2, the side of Demonstration table 1 is correspondingly arranged on clamp rail 101, and clamp rail 101 is set in the upper surface of Demonstration table 1
There is opening, and clamping block is provided with clamp rail 101.
Preferably, clamp rail 101 is embedded in the outer surface of Demonstration table 1, and clamping block is cylindrical protrusions.
As shown in Figure 1 and Figure 2, the correspondence position of the two root posts of portal 2 is provided with neck 202, and the lower end of column is provided with neck
202 opening；Neck 202 enters to coordinate with clamp rail 101 from the clamp rail 101 of the upper surface of Demonstration table 1 opening to be fixed, clamp rail 101 with
Neck 202 coordinates the adjustment realized to the top cross-bar height of portal 3.
Preferably, transformable cooperation during neck 202 has four with clamp rail 101, that is, have four kinds of adjustable height.
As shown in Figure 1, Figure 3, Demonstration table 1 is hollow and at least one side is opening, is provided with the madial wall of Demonstration table 1
Object-putting layer 102.
Preferably, one group of relative two face is opening in four sides that Demonstration table 1 has.
Preferably, object-putting layer 102 is step-like strip projected parts, and corresponding position is equipped with identical on two internal faces
Strip projected parts.
As shown in Figure 1, Figure 3, the quantity of spring 7 is more than or equal to one, and when the quantity of spring 7 is more than for the moment, spring 7 is in cross bar
It is centrosymmetrically arranged on 4.
Preferably, the quantity of spring 7 is two.
As shown in Figure 1, Figure 3, the quantity of cross bar 4 is two, and a cross bar 4 is connected to the top of simple harmonic quantity frame 5, another cross bar 4
The bottom of simple harmonic quantity frame 5 is connected to, two cross bars 4 make the in the vertical direction displacement of simple harmonic quantity frame 5.
As shown in Figure 1 and Figure 2, tank 301 is made of clear material, and tank 301 is close to the side of the column of portal 2
It is provided with length scales 302.
Preferably, tank 301 has transparent plastic to be made.
Preferably, length scales 302 are to be imprinted on the coating of the outer surface of tank 301.
The medial surface of tank 301 is provided with wave absorption layer.
Preferably, medial surface of the tank 301 away from the lower end of simple harmonic quantity frame 5 is connected with wave absorption layer.
Preferably, wave absorption layer is made up of sponge material, and wave absorption layer is bonded in the medial surface of tank.
As shown in Figure 1, Figure 3, simple harmonic quantity frame 5 is T-shaped frame, and T-shaped frame vertical rod passes through cross bar 4, and horizon bar is placed in vertical rod
Lower end.
When in use, as shown in figure 1, will be filled with water inside tank 301, be placed in the bottom of simple harmonic quantity frame, with hand upwards or to
Under stir simple harmonic quantity frame make spring 7 produce deformation, a period of time system starts to do simple harmonic oscillation, the end of simple harmonic quantity frame and the water surface after loosing one's grip
Hit and produce ripples and propagate to the right, because the length of T-shaped frame is slightly less than the width of tank, T-shaped frame draws close the left side of tank, T
When shape frame collides with water, ripples just pass to the right.The length scales 302 that now can pass through on the side of tank 301 observe wavelength.
After oscillator system starts vibration, dolly is promoted to left movement, observes the Doppler effect of ripples, and right side wavelength becomes
Short, left side wavelength is elongated.
Set wave absorption layer to absorb advancing wave in the medial surface of tank, avoid back wave from interfering advancing wave, this also body
The anti-ripple principle of existing seashore, this equipment can be used to do the experiment of the anti-ripple of seashore.
When removing wave absorption layer, by the back wave that tank offside reflection is returned and advance wave interference, ripples can be observed
Interference, while the standing wave being observed that also is formed, this can also be observed.
In order to clearly observe the wavelength of ripples, amplitude and calculate velocity of wave etc., using camera device auxiliary observation,
Video camera alignment is printed on to the side of length scales, shoots the actual dynamic of ripples, while video camera is connected to computer and led to
Cross projecting apparatus to launch onto screen, when needing to examine the waveform at a certain moment, the picture on screen is suspended, now may be used
Clearly to observe and read parameters.
As shown in figure 4, after use, the utility model is split and stored, the forward direction of dolly 3 is positioned over glove
The upper strata of layer 102, the opening upwards of tank 301, portal 2 lie against the lower floor of object-putting layer 102.This placement saves space,
Protect dolly 3, portal 2 and oscillator system.
Embodiment two
As shown in fig. 7, present embodiment discloses a kind of Novel transverse wave characteristic demonstration instrument, the demonstration instrument and embodiment one
Described in demonstration instrument composition structure it is identical with annexation, the present embodiment is with difference in embodiment one：
As shown in fig. 7, the quantity of spring 7 is one in the utility model, spring 7 is placed in the centre position of cross bar 4.
The purpose so set is, reduces the quantity of spring 7, can change oscillator system vibration in experimentation
Frequency and amplitude, so as to change the waveform of caused ripples, it is easy to study different ripples.
Specific application method is identical with embodiment one kind, and difference is carried out in the storage mode in the present embodiment
Change：
As shown in figure 5, after use, the utility model is split and stored, the upside down of dolly 3 is in glove
The lower floor of layer 102, Open Side Down for tank 301, and portal 2 lies against the upper strata of object-putting layer 102.This placement saves space,
Protect dolly 3, portal 2 and oscillator system.Open Side Down for tank 301 simultaneously, is easy in time arrange the water inside tank 301
Go out, keep tank 301 inside drying and neatly.
Embodiment three
As shown in figure 8, present embodiment discloses a kind of Novel transverse wave characteristic demonstration instrument, the demonstration instrument and embodiment one
Described in demonstration instrument composition structure it is identical with annexation, the present embodiment is with difference in embodiment one：
As shown in figure 8, there is pilot hole on crossbeam, the upper end of simple harmonic quantity frame 5 passes from pilot hole, pilot hole and simple harmonic quantity frame 5
Cooperation makes axial movement of the simple harmonic quantity frame 5 in pilot hole.
The purpose so set is that pilot hole further defines the direction of motion of simple harmonic quantity frame 5, and the direction of pilot hole is
Vertical direction, simple harmonic quantity frame 5 can only then ensure that the accuracy of simple harmonic oscillation along the axial movement of pilot hole.
As shown in fig. 6, object-putting layer 102 is dividing plate.
Preferably, it is provided with filter opening on object-putting layer 102.
The purpose so set is that the object-putting layer 102 of dividing plate shape is placed object and more stablized, and water can be made by being provided with filter opening
Discharge in time, accumulation is avoided to produce damage to object.
Specific application method is identical with embodiment one kind, and difference is carried out in the storage mode in the present embodiment
Change：
As shown in fig. 6, after use, the utility model is split and stored, 3 forward directions of dolly/upside down
In the lower floor of object-putting layer 102, the opening upwards of tank 301/downward, portal 2 lies against the upper strata of object-putting layer 102.This placement
Space is saved, protects dolly 3, portal 2 and oscillator system.Open Side Down for tank 301 simultaneously, is easy to tank in time
Inside 301 water discharge, keep tank 301 inside drying and neatly；The dividing plate of monoblock is more preferable to the stability of strutting system of object.
According to above-described embodiment, the utility model can be realized well.It is what deserves to be explained is former based on above-mentioned design
Reason, to solve same technical problem, some made on architecture basics disclosed in the utility model are without substance
Change or polishing, used technical scheme essence is still as the utility model, therefore it should also be as of the present utility model
In protection domain.
Claims (10)
1. a kind of Novel transverse wave characteristic demonstration instrument, it is characterised in that including Demonstration table (1), portal (2), oscillator system, small
Car (3)；Portal (2) includes the two root posts at crossbeam and crossbeam both ends, and portal (2) is connected to Demonstration table by two root posts
(1)；The two root posts of portal (2) are provided with the vertical groove (201) of position correspondence；Oscillator system includes being connected to crossbeam
Spring (7), the cross bar (4) of spring (7) lower end is connected to, is connected to the simple harmonic quantity frame (5) and gravitation ball (6) of cross bar (4)；Cross bar
(4) both ends coordinate with groove (201) and cross bar (4) is in groove (201) interior vertical displacement；Gravitation ball is provided with through ball on (6)
The through hole and gravitation ball of the heart are enclosed on simple harmonic quantity frame (5)；Dolly (3) is located at the lower section of oscillator system, and is provided with water on dolly (3)
Groove (301), tank (3) are located at the lower section of simple harmonic quantity frame (5).
A kind of 2. Novel transverse wave characteristic demonstration instrument according to claim 1, it is characterised in that described Demonstration table (1)
Side be provided with clamp rail (101), clamp rail (101) is provided with opening in Demonstration table (1) upper surface, and card is provided with clamp rail (101)
Connect block.
A kind of 3. Novel transverse wave characteristic demonstration instrument according to claim 1, it is characterised in that described portal (2)
The correspondence position of two root posts is provided with neck (202), and the lower end of column is provided with the opening of neck (202)；Neck (202) is from demonstration
Clamp rail (101) opening of platform (1) upper surface, which enters to coordinate with clamp rail (101), fixes, and clamp rail (101) coordinates real with neck (202)
Now to the adjustment of portal (3) top cross-bar height.
A kind of 4. Novel transverse wave characteristic demonstration instrument according to claim 1, it is characterised in that described Demonstration table (1)
Hollow and at least one side is opening, and object-putting layer (102) is provided with Demonstration table (1) madial wall.
A kind of 5. Novel transverse wave characteristic demonstration instrument according to claim 1, it is characterised in that described spring (7) number
Measure as more than or equal to one, when the quantity of spring (7) is more than for the moment, spring (7) is centrosymmetrically arranged on cross bar (4).
A kind of 6. Novel transverse wave characteristic demonstration instrument according to claim 1, it is characterised in that described cross bar (4) number
To measure as two, a cross bar (4) is connected to the top of simple harmonic quantity frame (5), and another cross bar (4) is connected to the bottom of simple harmonic quantity frame (5), and two
Root cross bar (4) makes simple harmonic quantity frame (5) in the vertical direction displacement.
A kind of 7. Novel transverse wave characteristic demonstration instrument according to claim 1, it is characterised in that described tank (301)
It is made of clear material, and tank (301) is provided with length scales (302) close to the side of the column of portal (2).
A kind of 8. Novel transverse wave characteristic demonstration instrument according to claim 1, it is characterised in that described tank (301)
Medial surface be provided with wave absorption layer.
A kind of 9. Novel transverse wave characteristic demonstration instrument according to claim 1, it is characterised in that described simple harmonic quantity frame (5)
For T-shaped frame, T-shaped frame includes vertical rod and horizon bar, and vertical rod passes through cross bar (4), and horizon bar is placed in the lower end of vertical rod.
10. a kind of Novel transverse wave characteristic demonstration instrument according to claim 1, it is characterised in that have on described crossbeam
Pilot hole, the upper end of simple harmonic quantity frame (5) pass from pilot hole, and pilot hole coordinates with simple harmonic quantity frame (5) makes simple harmonic quantity frame (5) in pilot hole
Axial movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720483172.8U CN206774043U (en) | 2017-05-03 | 2017-05-03 | A kind of Novel transverse wave characteristic demonstration instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720483172.8U CN206774043U (en) | 2017-05-03 | 2017-05-03 | A kind of Novel transverse wave characteristic demonstration instrument |
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| Publication Number | Publication Date |
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| CN206774043U true CN206774043U (en) | 2017-12-19 |
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ID=60649129
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720483172.8U Active CN206774043U (en) | 2017-05-03 | 2017-05-03 | A kind of Novel transverse wave characteristic demonstration instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110796930A (en) * | 2019-11-22 | 2020-02-14 | 辽宁工程技术大学 | Solid and liquid standing wave determination experimental device |
| CN112562460A (en) * | 2020-12-15 | 2021-03-26 | 苏州大学文正学院 | Fluctuating demonstration equipment based on torsional characteristics of steel beam |
-
2017
- 2017-05-03 CN CN201720483172.8U patent/CN206774043U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110796930A (en) * | 2019-11-22 | 2020-02-14 | 辽宁工程技术大学 | Solid and liquid standing wave determination experimental device |
| CN110796930B (en) * | 2019-11-22 | 2022-05-24 | 辽宁工程技术大学 | Experimental device for measuring solid and liquid standing waves |
| CN112562460A (en) * | 2020-12-15 | 2021-03-26 | 苏州大学文正学院 | Fluctuating demonstration equipment based on torsional characteristics of steel beam |
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