CN106847011A - For the ultrasonic wave comprehensive measurement device imparted knowledge to students - Google Patents
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- CN106847011A CN106847011A CN201710197630.6A CN201710197630A CN106847011A CN 106847011 A CN106847011 A CN 106847011A CN 201710197630 A CN201710197630 A CN 201710197630A CN 106847011 A CN106847011 A CN 106847011A
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B23/00—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes
- G09B23/06—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics
- G09B23/14—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for acoustics
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Abstract
The invention discloses a kind of ultrasonic wave comprehensive measurement device for imparting knowledge to students, including：The base being placed on supporting surface, is provided with ultrasonic transmission device on base, for being generated and transmitted by ultrasonic wave；The axle on base is arranged on, it is vertical with supporting surface；Pivoted arm, its one end is socketed on axle and can relatively rotate, and the other end is connected as free end with rail end, for driving guide rail to rotate, ultrasonic probe, ultrasonic receiver is provided with the guide rail；Dial, its center drilling is simultaneously set with the shaft, and can relative axle rotation；Alidade, its center drilling is simultaneously set with the shaft, and can relative axle rotation and the rotation of relative scale disk；And objective table, its upper end for being sleeved on axle, for carrying measurement sample, it can rotate relative to the axle and can be rotated relative to alidade simultaneously.Device of the invention is improved by the structure for optimizing, and combination is matched with teaching experiment, the integrated function can with multinomial ultrasonic test experiment, and its simple structure, high precision.
Description
Technical field
The invention belongs to experiment teaching instrument field, more particularly to a kind of ultrasonic measuring device for imparting knowledge to students.
Background technology
With electronic technology, digital technology, automatic control technology development, ultrasonic wave with its high accuracy, lossless, noncontact
The advantages of be widely used in the fields such as machine-building, national defence, industrial and agricultural production, medical science, petrochemical industry, traffic bioscience,
Play the unique effect do not replaced.For example, at ultrasonically treated aspect, using the mechanism of ultrasonic wave, cavitation, heat
Effect and chemical effect, can carry out ultra-sonic welded, drilling, crushing, emulsification, degassing, dedusting, go bird nest, cleaning, sterilizing, promote
Chemically react and carry out biological study etc..In terms of ultrasound detection, using the defect of ultrasonic inspection inside of solid material, material
Material dimensional measurement, physical parameters measurement etc..In view of the extensive use of ultrasonic wave, the popularization of ultrasonic wave relevant knowledge just very must
Will.Because the propagation law and the operation principle of ultrasonic listening in sound field forming process, the medium of ultrasonic wave are more abstract, adopt
Generation, propagation law and the supersonic sounding principle for be more beneficial for observation of students with intuitively experimental teaching mode, understanding ultrasonic wave,
Therefore develop significant for the supersonic sounding device of teaching.
At present, single about the experiment content of ultrasonic wave in domestic Physical Experiment, wherein to be a lack of performance good for one of reason
Good ultrasonic experiment instruments used for education, are essentially all measurement of ultrasonic speed instrument, and instructional objective and effect are general；Especially with regard to super
The instrument of the various performance measurements of sound wave is typically scattered, it is impossible to while carrying out multinomial ultrasonic test experiment；In addition, this
The teaching and experiment equipment in physics teaching is applied to, general precision is higher, expensive, maintenance needs to put into substantial amounts of manpower thing
Power.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of ultrasonic wave synthesis for imparting knowledge to students
Measurement apparatus, its structure and application principle for being based on spectrometer is improved, and knot is matched with teaching experiment by the structure for optimizing
Close, can have the integrated function of multinomial ultrasonic test experiment, and its simple structure, high precision.
To achieve the above object, it is proposed, according to the invention, a kind of ultrasonic wave comprehensive measurement device for imparting knowledge to students, its feature are provided
It is, including：
The base being placed on supporting surface, is provided with ultrasonic transmission device, for being generated and transmitted by ultrasonic wave on the base；
The axle on base is arranged on, it is vertical with supporting surface；
Pivoted arm, its one end is socketed on the shaft and can relatively rotate, and the other end is connected as free end with rail end,
For driving guide rail to rotate, ultrasonic probe, ultrasonic receiver is provided with the guide rail；
Dial, its center drilling is simultaneously set with the shaft, and can be rotated relative to the axle；
Alidade, its center drilling is simultaneously set with the shaft, and can be rotated relative to the axle and relative scale disk turn
It is dynamic；And
Objective table, its upper end for being sleeved on the axle, for carrying measurement sample, it can rotate relative to the axle and simultaneously can
Rotated relative to alidade.
Used as present invention further optimization, the guide rail includes the first guide rail and the second guide rail, wherein described first leads
One end of rail is connected with the free end of pivoted arm, and being arranged with first guide rail can be described with respect to the first guide rail slide block of its slip
Second guide rail is vertically set on first guide rail by first guide rail slide block, the ultrasonic probe, ultrasonic receiver be arranged on this
On two guide rails.
As present invention further optimization, the second guide rail slide block is provided with second guide rail, it can be relative to institute
The second slide is stated, the ultrasonic probe, ultrasonic receiver is arranged on second guide rail slide block.
Used as present invention further optimization, the dial is located on pivoted arm, its respect thereto on the shaft
It is higher than highly pivoted arm, the dial can relatively rotate with pivoted arm, the dial one end is provided with dial lock-screw, it can be
Dial rotation locks its relative rotation with axle afterwards in place.
Used as present invention further optimization, the alidade is located on dial, its respect thereto on the shaft
Height be higher than dial, the alidade can be relatively rotated with pivoted arm, and be socketed with lock sleeve on the axle, the lock sleeve and
Alidade composition rotates secondary, and the lock sleeve one end sets dial lock-screw, and it can lock it after alidade rotate in place
With the relative rotation of axle.
Used as present invention further optimization, the objective table lower end sets objective table lock-screw, in objective table
Relative axle locks its relative rotation after rotateing in place, levelling bolt is provided with the objective table, for the leveling of objective table.
As present invention further optimization, spirit bubble is provided with the counter sink at the objective table center, for condition
The level of objective table, it is secondary that the spirit bubble lower end forms rotation through objective table counter sink and with objective table.
Used as present invention further optimization, the free end bottom of the rotating shaft is connected with the first universal wheel, and first is universal
Wheel is arranged between pivoted arm and supporting surface, for being supported when pivoted arm is rotated and is servo-actuated, and the rotation of the pivoted arm can drive first
Guide rail is rotated, and the first guide rail other end is provided with the second universal wheel for supporting the end.
As present invention further optimization, ultrasonic transmission device fix bar is provided with the base, it is flat with axle 3
Between-line spacing arranges that ultrasonic transmission device is installed by the ultrasonic transmission device fix bar.
Used as present invention further optimization, the pivoted arm sets pivoted arm locking soft copper piece with the tip inside of axle socket,
The centre bore inner side that the dial is socketed with axle sets dial locking soft copper piece, the centre bore that the alidade is socketed with axle
Inwall sets alidade locking soft copper piece, and the objective table sets objective table locking soft copper piece with the hole inwall of axle socket.
The invention also discloses it is above-mentioned for impart knowledge to students ultrasonic wave comprehensive measurement device carry out ultrasonic wavelength measurement,
The measurement of ultrasonic propagation velocity, the experiment of ultrasonic reflection coefficient and rule, with the refractometry of ultrasonic wave in medium, super
The measurement of sound wave prism drift angle, the observation of ultrasonic wave single slit diffraction, ultrasonic wave two-slit interference observation or simulation X-ray diffractometer are surveyed
Measure the application in the Bragg diffraction of crystal model.
In general, by the contemplated above technical scheme of the present invention compared with prior art, with following beneficial effect
Really：
(1) ultrasonic wave comprehensive measurement device of the invention is improved by the structure for optimizing, and ultrasonic wave receiving terminal not only can be with
It is movable, with left-right rotation and can move up and down, three-dimensional measurement can be realized with this, may be used also in addition to supersonic measurement
To measure other physical characteristics of ultrasonic wave, such as interference, diffraction, refraction and Bragg diffraction；
(2) ultrasonic wave comprehensive measurement device of the invention, wherein alidade structure design corresponding with dial and optimization,
Its scale division value can be smaller, and certainty of measurement can be higher, and the precision that angle is measured in the case where assembly precision is reached can increase；
(3) ultrasonic wave comprehensive measurement device of the invention, wherein base, axle, objective table and ultrasonic generator with
The matched design of reception device, can be combined with physics teaching experiment content matching, can be tested with multinomial ultrasonic test
Integrated function, and its simple structure, high precision.
Brief description of the drawings
Fig. 1 is the structural representation according to the ultrasonic wave comprehensive measurement device constructed by the embodiment of the present invention；
Fig. 2 measures the partial enlarged drawing of part for the ultrasonic wave comprehensive measurement device of Fig. 1；
Fig. 3 is the partial sectional view of the ultrasonic wave comprehensive measurement device of Fig. 1；
Fig. 4 is the partial enlarged drawing of the ultrasonic wave transmitting terminal of the ultrasonic wave comprehensive measurement device of Fig. 1；
Fig. 5 is the ultrasonic wave receiving terminal partial enlarged drawing of the ultrasonic wave comprehensive measurement device of Fig. 1；
In all of the figs, identical reference be used for represent identical element or structure, wherein：1- bases, 2- is adjusted
Plain screw, 3- axles, 4- pivoted arms, the universal wheels of 5- first, the guide rails of 6- first, the universal wheels of 7- second, the guide rails of 8- second, 9- ultrasonic waves connect
Receiving apparatus, 10- dials, 11- objective tables, 12- spirit bubbles, 13- alidades, 14- lock sleeves, 15- ultrasonic transmission devices,
16- ultrasonic transmission device fix bars, 17- pivoted arm lock-screws, 18- ultrasonic piezo-transducer angle of pitch adjusting screws, 19-
Objective table lock-screw, 20- alidade lock-screws, 21- dial lock-screws, 22- clamping sheets, 23- dials locking is soft
Copper sheet, 24- pivoted arms locking soft copper piece, 25- cylindrical roller thrust bearings, 26- alidades locking soft copper piece, the locking of 27- objective tables
Soft copper piece, 28- verniers, 29- ultrasonic transmission device fix bar fixing bolts, 30- grooves, 31- connecting plates, 32- ultrasonic waves hair
Injection device adjusting screw, 33- the second slider locking screws, 34- the second guide rail trip bolts, 35- the first slider locking screws,
36- the second guide rail notches, 37- the first guide rail trip bolts, the guide rail slide blocks of 38- second, the guide rail slide blocks of 39- first.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as additionally, technical characteristic involved in invention described below each implementation method
Not constituting conflict each other can just be mutually combined.
Fig. 1 is the structural representation of the ultrasonic wave comprehensive measurement device constructed by one embodiment of the invention.Such as Fig. 1 institutes
Show, a kind of ultrasonic wave comprehensive measurement device provided in an embodiment of the present invention, in physics teaching, it to include base 1, axle 3 turns
Arm 4, dial 10, alidade 13, wherein, axle 3 is vertically set on base 1, is supported by the base 1.Pivoted arm 4 is preferably in bar
Shape, its one end is socketed on axle 3, can relative axle 3 rotate, the other end of pivoted arm 4 be free end, it is connected with the end of the first guide rail 6,
The free end bottom of pivoted arm 4 is connected with the first universal wheel 5, and the first universal wheel 5 is arranged between pivoted arm 4 and supporting surface, for
Pivoted arm 4 is supported and is servo-actuated when rotating.The rotation of pivoted arm 4 can drive the first guide rail 6 to rotate, and the other end of the first guide rail 6 is also equipped with
Universal wheel, i.e. the second universal wheel 7.
As shown in figure 5, one end of the second guide rail 8 is arranged on the first guide rail 6 by sliding block, and the second guide rail 8 relative the
One guide rail 6 is vertically arranged, and second guide rail relative on the first guide rail 6 can be slided.Ultrasonic probe, ultrasonic receiver 9 is set by sliding block
On the second guide rail 8, and relative on the second guide rail 8 can slide.
As shown in figure 5, being provided with the second guide rail slide block 38 on the second guide rail 8, ultrasonic probe, ultrasonic receiver 9 passes through the second guide rail
Sliding block 38 is arranged on the second guide rail 8, and the second slider locking screw 33 is provided with the second guide rail slide block 38, for second
Guide rail slide block 38 is slided on the second guide rail 8 and is locked by the second slider locking screw 33 afterwards in place.
Second guide rail 8 is connected by the first guide rail slide block 39 with the first guide rail 6, and second guide rail 8 is slided by the first guide rail
The right angle setting of 39 and first guide rail of block 6, and the slip on the first guide rail 6 is realized by first guide rail slide block 39.First leads
The second guide rail trip bolt 34 is provided with rail sliding block 39, it is used to be fixed with the first guide rail slide block 39 in the second guide rail 8, first
The first slider locking screw 35 is additionally provided with guide rail slide block 39, it is used to be slided in the first guide rail slide block 39 and lock afterwards in place
Relative slip between one guide rail slide block 39 and the first guide rail 6.
The end of the first guide rail 6 is coordinated by the first guide rail trip bolt 37 with the threaded one end of pivoted arm 4, pivoted arm 4 it is upper
End sets the second guide rail notch 36.
As shown in figure 1, being additionally provided with ultrasonic transmission device fix bar 16 on base 1, it is preferably perpendicular to base 1, leads to
Cross the base 1 to support, preferably the ultrasonic transmission device fix bar 16 is arranged with the parallel interval of axle 3.Ultrasonic transmission device is consolidated
Ultrasonic transmission device 15 is installed, for being generated and transmitted by ultrasonic wave in fixed pole 16.
As shown in Fig. 2 one end that pivoted arm 4 is sleeved on axle 3 is provided with a pivoted arm lock-screw 17, turned in pivoted arm 4
The relative rotation between pivoted arm 4 and axle 3 can be locked behind position by it.
The center drilling of dial 10, and being enclosed within the axle 3, can relative axle 3 rotate.Preferably, dial 10 is located at and turns
On arm 4, i.e. respect thereto 1, the height of dial 10 is higher than pivoted arm 4.Dial 10 can be relatively rotated with pivoted arm 4.Such as Fig. 2,
Preferably, the one end of dial 10 sets dial lock-screw 21, and it can lock it with axle 3 after dial 10 rotate in place
Relatively rotate.Dial 10 can be the arc of semicircle, or circle, or other angles.
The center drilling of alidade 13, and being enclosed within the axle 3, can relative axle 3 rotate.Preferably, alidade 13 is located at and carves
On scale 10, i.e. respect thereto 1, the height of alidade 13 is higher than dial 10.Alidade 13 can be relatively rotated with pivoted arm 4.
Preferably, lock sleeve 14 is socketed with axle 3, the lock sleeve 14 rotates secondary with the composition of alidade 13, the one end of lock sleeve 14 is set carves
Scale lock-screw 20, it can lock its relative rotation with axle 3 after alidade 13 rotate in place.Alidade 13 can be half
Circular, or circle, or other angles arc.
Objective table 11 is arranged on the other end at the respect thereto end of axle 3, is as shown in Figure 1 the top of axle 3.Objective table 11 can phase
Axle 3 is rotated, the lower end of objective table 11 sets objective table lock-screw 19, for being locked after the relative axle 3 of objective table 11 rotate in place
Tight its relative rotation.Levelling bolt 2 is provided with objective table 11, for the leveling of objective table 11.
As shown in figure 3, pivoted arm 4 sets pivoted arm locking soft copper piece 24, the one end of dial 10 with the inner side of one end of the socket of axle 3
Inner side sets dial locking soft copper piece 23, and alidade one end inner side sets alidade locking soft copper piece 26, under objective table 11
End sets objective table locking soft copper piece 27.Spirit bubble 12 is set at the counter sink of objective table 11, and such as length is 30mm, and it is used for water
Heibei provincial opera section.The lower end of spirit bubble 12 is passed through at the counter sink of objective table 11, is formed with objective table and is rotated secondary.
Axle 3 is multi-diameter shaft, with least two shaft shoulders, wherein matching somebody with somebody with nut thread positioned at the first shaft shoulder lower end of bottom
Close, superposed second shaft shoulder is stuck on the endoporus of the lower end of base 1, the top of axle 3 sets a clamping sheet 22, on base 1
End endoporus sets a cylindrical roller thrust bearing 25, and second shaft shoulder of axle 3 is pressed on cylindrical roller thrust bearing 25, and vernier 28 sets
Put in the middle part of alidade camber line.
As shown in figure 4, the lower end of ultrasonic transmission device fix bar 16 sets a ultrasonic transmission device fix bar fixing
Bolt 29, the upper end of ultrasonic transmission device fix bar is provided with the square groove 30 of depth such as 50mm, groove 30 and fastening
Piece 31 coordinates, and can move up and down ultrasonic transmission device 15, and the two ends of ultrasonic transmission device 15 are provided with two ultrasonic wave hairs
Injection device adjusting screw 32.
Measurement apparatus of the invention include ultrasonic wave emission system, ultrasonic wave spectrophotometer, ultrasonic wave reception system, ultrasound
Ripple comprehensive measurement device, sonification medium and ultrasonic element box, to complete including the measurement of such as ultrasonic wavelength, ultrasonic wave
Refractometry, the ultrasound of ultrasonic wave in the measurement of spread speed, the research of the reflectance factor of ultrasonic wave and rule, different medium
The measurement of ripple prism drift angle, the observation of ultrasonic wave single slit diffraction, ultrasonic wave two-slit interference observation, simulation X-ray diffractometer measurement letter
Bragg diffraction of monocrystalline body Model etc. is tested and measured.
Comprehensive measurement device of the invention, transmitting terminal is fixed in the support feet of base 1, and receiving terminal is fixed on pivoted arm 4 one
On side, can be with left-right rotation.Alidade 13 and dial 10 preferably can all be respectively circle, semicircle, can also be other angles
Arc.Alidade 13 can be single vernier, or be separated by 180 ° of symmetrical double vernier verniers by diameter center.Vernier
Scale on disk 13 is preferably divided into 30 small lattice, and the precision that angle is measured in the case where assembly precision is reached can increase.
The ultrasonic wave receiving terminal of comprehensive measurement device of the present invention can not only be moved forward and backward, can with left-right rotation and up and down
It is mobile, three-dimensional measurement can be realized with this, therefore, it can to carry out can also to measure outside supersonic measurement ultrasonic wave other
Physical characteristic, such as interference, diffraction, refraction and Bragg diffraction.
Specifically, in a specific embodiment, when three-dimensional measuring apparatus are carried out, its receiving terminal is fixed on to the device
On two guide rails 8, and second guide rail 8 then coordinates with the first guide rail 6, and the one side of the second guide rail 8 is carved with scale, and range is preferably
150mm, scale division value is preferably 1mm, similar to the main scale of slide measure, in addition, there is graduation mark (measurement on the second guide rail slide block 38
Precision is preferably 0.02mm), the measuring claw of testee is not blocked simply, number reading method is with as slide measure.It is mobile
Position of second guide rail slide block required for, tightens trip bolt and fixes sliding block, just may know that receiving terminal in the party by reading
Upward displacement, and then measure experimental data.It is preferred that range passes through the first guide rail slide block and second for first guide rail of 300mm
Guide rail 8 coordinates, and the sliding block of the first guide rail slide block 39 equally has graduation mark, equivalent to a vernier.This guide rail is fixed on pivoted arm, as general
When pivoted arm and transmitting terminal diameter parallel, coordinate the second guide rail sliding block moving direction will parallel to ultrasonic wave transmitting terminal axis,
The cooperation of this guide rail slide block is the shift length movable in order to measure ultrasonic wave receiving terminal, moves forward and backward suitable distance
And reading is read by being fastened with trip bolt, this direction can carry out supersonic measurement.In order to prevent the first guide rail in reality
Occured bending and deformation during testing, also add a support universal wheel in front end and end, support the height of universal wheel makes first just
Guide rail parallel is in horizontal plane (reduction experimental error).
Can be to remove the first guide rail 6 that carry out ultrasonic wave receiving terminal need not move forward and backward, and the second guide rail 8 is straight
Connect on the second guide rail notch 36 being fixed on pivoted arm 4, can so reduce the floor space tested, while can be because of power
Arm is long and influences certainty of measurement.
Transmitting terminal is integrally fixed in base support feet, but optimal in order to be able to find transmitting terminal position in experimentation
Put, by adapter sleeve be fixed on transmitting support ultrasonic piezo-transducer by the device.There is a counter sink on objective table 11, sink
Be placed with spirit bubble in head bore, detection objective table whether level, and adjust objective table level then by three of objective table lower end
Adjusting screw is realized.
It was required for overlapping ultrasonic wave transmitting terminal with receiving terminal axis before experiment starts, experiment can be reduced with this
Error.Range estimation two ends be it is parallel in the case of somewhat rotate receiving terminal, found by the waveform of observation oscilloscope during this
Peak value, just illustrates it is parallel two ends when there is peak value, being interfered, diffraction, the experiment of refraction when be also to pass through
Observation oscilloscope finds the position of Wave crest and wave trough and measures experimental data.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, it is not used to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should include
Within protection scope of the present invention.
Claims (10)
1. it is a kind of for impart knowledge to students ultrasonic wave comprehensive measurement device, it is characterised in that including：
The base (1) being placed on supporting surface, is provided with ultrasonic transmission device (15), for being generated and transmitted by the base (1)
Ultrasonic wave；
The axle (3) on base (1) is arranged on, it is vertical with supporting surface；
Pivoted arm (4), its one end is socketed on the axle (3) and can relatively rotate, and the other end connects as free end and rail end
Connect, for driving guide rail to rotate, ultrasonic probe, ultrasonic receiver (9) is provided with the guide rail；
Dial (10), its center drilling is simultaneously sleeved on the axle (3), and can be rotated relative to the axle (3)；
Alidade (13), its center drilling is simultaneously sleeved on the axle (3), and can be rotated relative to the axle (3) and relative quarter
Scale (10) is rotated；And
Objective table (11), its upper end for being sleeved on the axle (3), for carrying measurement sample, it can be rotated simultaneously relative to the axle (3)
Can be rotated relative to alidade (13) simultaneously.
2. a kind of ultrasonic wave comprehensive measurement device for imparting knowledge to students according to claim 1, wherein, the guide rail includes the
One guide rail (6) and the second guide rail (8), wherein one end of first guide rail (6) is connected with the free end of pivoted arm (4), this first
Being arranged with guide rail (6) can be slided with respect to first guide rail slide block (39) of its slip, second guide rail (8) by first guide rail
Block (39) is vertically set on first guide rail (6), and the ultrasonic probe, ultrasonic receiver (9) is on second guide rail (8).
3. it is according to claim 2 it is a kind of for impart knowledge to students ultrasonic wave comprehensive measurement device, wherein, second guide rail
(8) the second guide rail slide block (38) is provided with, it can be slided relative to second guide rail (8), the ultrasonic probe, ultrasonic receiver
(9) it is arranged on second guide rail slide block (38).
4. it is according to any one of claim 1 to 3 it is a kind of for impart knowledge to students ultrasonic wave comprehensive measurement device, wherein, institute
Dial (10) is stated on pivoted arm (4), the height of its respect thereto (1) on the shaft is higher than pivoted arm (4), the dial
(10) can be relatively rotated with pivoted arm (4), dial (10) one end is provided with dial lock-screw (21), and it can be in dial
(10) its relative rotation with axle (3) is locked after rotateing in place.
5. it is according to any one of claim 1 to 4 it is a kind of for impart knowledge to students ultrasonic wave comprehensive measurement device, wherein, institute
Alidade (13) is stated on dial (10), the height of its respect thereto (1) on the shaft is higher than dial (10), institute
Stating alidade (13) can be relatively rotated with pivoted arm (4), and lock sleeve (14) is socketed with the axle (3), the lock sleeve (14) with
Alidade (13) composition rotates secondary, and lock sleeve (14) one end sets alidade lock-screw (20), and it can be in alidade (13)
Its relative rotation with axle (3) is locked after rotateing in place.
6. it is according to any one of claim 1 to 5 it is a kind of for impart knowledge to students ultrasonic wave comprehensive measurement device, wherein, institute
State objective table (11) lower end and objective table lock-screw (19) is set, for being locked after objective table (11) relative axle (3) rotate in place
Tight its relative rotation, is provided with levelling bolt (2), for the leveling of objective table (11) on the objective table (11).
7. it is according to any one of claim 1 to 6 it is a kind of for impart knowledge to students ultrasonic wave comprehensive measurement device, wherein, institute
The free end bottom for stating pivoted arm (4) is connected with the first universal wheel (5), the first universal wheel (5) be arranged on pivoted arm (4) and supporting surface it
Between, for supporting and being servo-actuated when pivoted arm (4) is rotated, the rotation of the pivoted arm (4) can drive the first guide rail (6) to rotate, described
First guide rail (6) other end is provided with the second universal wheel (7) for supporting the end.
8. it is according to any one of claim 1 to 7 it is a kind of for impart knowledge to students ultrasonic wave comprehensive measurement device, wherein, institute
State and ultrasonic transmission device fix bar (16) is provided with base (1), it is arranged with axle (3) parallel interval, ultrasonic wave transmitting dress
(15) are put to be installed by the ultrasonic transmission device fix bar (16).
9. it is according to any one of claim 1 to 8 it is a kind of for impart knowledge to students ultrasonic wave comprehensive measurement device, wherein, institute
State pivoted arm (4) and pivoted arm locking soft copper piece (24), the dial (10) and axle socket are set with the tip inside of axle (3) socket
Centre bore inner side sets dial and locks soft copper piece (23), and the alidade sets alidade lock with the center bore inner wall of axle socket
Tight soft copper piece (26), the objective table (11) sets objective table and locks soft copper piece (27) with the hole inwall of axle socket.
10. the ultrasonic wave comprehensive measurement device for teaching any one of claim 1 to 9 is carrying out ultrasonic wavelength
Measurement, the measurement of ultrasonic propagation velocity, experiment, the refractive index with ultrasonic wave in medium of ultrasonic reflection coefficient and rule
Measurement, the measurement of ultrasonic wave prism drift angle, the observation of ultrasonic wave single slit diffraction, ultrasonic wave two-slit interference observation or simulation X-ray are spread out
The application penetrated in the Bragg diffraction of instrument measurement crystal model.
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| CN201710197630.6A CN106847011B (en) | 2017-03-29 | 2017-03-29 | Ultrasonic comprehensive measuring device for teaching |
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| CN201710197630.6A CN106847011B (en) | 2017-03-29 | 2017-03-29 | Ultrasonic comprehensive measuring device for teaching |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108180974A (en) * | 2018-01-22 | 2018-06-19 | 南京林业大学 | A kind of ultrasound two-slit interference acoustic velocity measutement instrument and its measuring method |
| CN111766569A (en) * | 2020-06-24 | 2020-10-13 | 山东大学 | Device, system and method for testing mutual interference of multiple laser radars |
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| CN106847011B (en) | 2022-12-23 |
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