CN107895529A - A kind of physics teaching measure average speed experimental provision - Google Patents
A kind of physics teaching measure average speed experimental provision Download PDFInfo
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- CN107895529A CN107895529A CN201711313284.XA CN201711313284A CN107895529A CN 107895529 A CN107895529 A CN 107895529A CN 201711313284 A CN201711313284 A CN 201711313284A CN 107895529 A CN107895529 A CN 107895529A
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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
- G09B23/08—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics
- G09B23/10—Models for scientific, medical, or mathematical purposes, e.g. full-sized devices for demonstration purposes for physics for statics or dynamics of solid bodies
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Abstract
The present invention relates to a kind of experimental provision, more particularly to a kind of physics teaching measure average speed experimental provision.The technical problem to be solved in the present invention is to provide one kind to be tested to speed, and allows the speed of knowing that student will be apparent that, and it is directly perceived to impart knowledge to students, the physics teaching improved the quality of teaching measure average speed experimental provision.In order to solve the above-mentioned technical problem, the invention provides such a physics teaching measure average speed experimental provision, mounting table, transverse slat, timer, bearing, portable plate, riser, first button etc. are included；Transverse slat is installed between the left and right sides supporting leg medial surface bottom of mounting table, angle regulator is provided between transverse slat top right side on the right side of mounting table.The present invention can be adjusted to different angles to portable plate by angle regulator, and can calculate different speed, and having reached can test to speed, and allows what student will be apparent that to know speed, and teaching is intuitively, the effect improved the quality of teaching.
Description
Technical field
The present invention relates to a kind of experimental provision, more particularly to a kind of physics teaching measure average speed experimental provision.
Background technology
Teaching is the distinctive personnel training activity of a kind of mankind that the religion of teacher and student are formed.Pass through this work
Dynamic, teacher is purposeful, the study of planned and organized ground guiding student and grasp cultural and technical knowledge and technical ability, promotion student are plain
Matter improves, and them is turned into the people required for society.
In physics teaching, be required for calculating speed of teaching students, and general teacher teach students calculating speed when, be all to pass through mouth
State and tell student's calculating speed, and it is not directly perceived to impart knowledge to students, and influences quality of instruction, thus need badly research and development one kind speed can be carried out it is real
Test, and allow the speed of knowing that student will be apparent that, and it is directly perceived to impart knowledge to students, the physics teaching improved the quality of teaching is real with measure average speed
Experiment device.
The content of the invention
（1）Technical problems to be solved
The present invention in order to overcome general teacher teach students calculating speed when, be all to tell student's calculating speed by oral account, and teach
Not directly perceived, the shortcomings that influenceing quality of instruction is learned, the technical problem to be solved in the present invention is to provide one kind to be tested to speed,
And allow the speed of knowing that student will be apparent that, and it is directly perceived to impart knowledge to students, the physics teaching improved the quality of teaching is tested with measure average speed
Device.
（2）Technical scheme
In order to solve the above-mentioned technical problem, used the invention provides such a physics teaching and determine average speed experimental provision,
Include mounting table, transverse slat, timer, bearing, portable plate, riser, the first button, the second button, car, angle regulator
Start mechanism with first, transverse slat, mounting table right side and transverse slat are installed between the left and right sides supporting leg medial surface bottom of mounting table
Angle regulator is provided between top right side, mounting table top left side is provided with bearing, and holder top rotary type is provided with
Portable plate, portable plate bottom contact with angle regulator, and portable plate top left side is provided with riser, riser right flank top peace
Equipped with the first button, portable plate top right side is provided with car, is opened between car bottom right and portable plate right flank provided with first
Beginning mechanism, portable plate top right side is provided with the second button, and the second button and first starts mechanism and coordinated, mounting table top left side
Provided with timer, timer has circuit to be connected with the first button and the second button.
Preferably, angle regulator includes the first motor, 7 type bars, screw rod, sleeve, contact wheel and bearing block, places
It is Embedded on the right side of platform that bearing block is installed, screw rod is installed, screw rod top is provided with sleeve, interior spiral shell is provided with sleeve in bearing block
Line, sleeve is interior to be coordinated with screw rod, is provided with contact wheel at the top of sleeve, contact wheel contacts with portable plate bottom right, and mounting table is right
Side symmetrical expression is provided with guide hole, and guide hole is located at left and right sides of bearing block, is provided with 7 type bars in guide hole, the type bar of the left and right sides 7 it is inner and
The outer left and right sides bottom connection of sleeve, transverse slat top right side are provided with the first motor, and the first motor is located at immediately below screw rod, and first
In being vertically arranged, the output shaft of the first motor is connected motor by shaft coupling with screw rod bottom.
Preferably, the first beginning mechanism includes arm-tie, fixed block, guide pin bushing, guide rod, the first spring and fixed plate, car
Bottom right is provided with fixed block, and portable plate right flank middle part is provided with guide pin bushing, is provided with guide rod in guide pin bushing, guide rod upper right and
Fixed block contacts, and guide rod left upper portion is provided with fixed plate fixed plate and is located above the second button, and guide rod bottom is provided with arm-tie,
The first spring is connected between guide pin bushing bottom at the top of arm-tie, the first spring housing is on guide rod.
Preferably, also include braking and start mechanism, braking starts mechanism and includes L-type plate, support, the first hopper, cylinder
Body, the second motor, rotating disk, storage bulb, baffle plate and the 3rd motor, portable plate bottom right are provided with L-type plate, L-type plate inner bottom part
Right side is provided with support, and support left upper portion is provided with the first hopper, and support left lower is provided with cylinder, cylinder crown center
It is connected with the first hopper, is connected in cylinder and the first hopper, is provided with discharging opening among cylinder body bottom, trailing flank center of circle position in cylinder
Put and the second motor is installed, the first button also has circuit to be connected with the second motor, and the output shaft of the second motor is connected by shaft coupling
Rotating disk is connected to, rotating disk is located on front side of the second motor, and rotating disk lateral surface is provided with groove, and arm-tie right flank is provided with storage bulb, stores up ball
For pipe immediately below the discharging opening, arm-tie bottom right is provided with the 3rd motor, the 3rd motor in being vertically arranged, the 3rd motor it is defeated
Shaft is connected with baffle plate by shaft coupling, and baffle plate coordinates below storage bulb with it.
Preferably, also include conveying device, conveying device include cylinder, compression cylinder, piston, block, the second hopper,
Installing pipe, second spring and go out bulb, compression cylinder is installed on the left of L-type plate inner bottom part, piston is provided with compression cylinder, piston is with pressing
It is slidably matched in contracting cylinder, compression cylinder top right side is provided with the second hopper, and the second hopper in compression cylinder with connecting, the second hopper position
Below storage bulb, compression cylinder right side central is connected with out bulb, goes out bulb tail end and be located at the first hopper upper right side, go out bulb top
Installing pipe is connected with the left of portion, block is provided with installing pipe, second spring is connected between installing pipe inner top at the top of block,
Left surface bottom is provided with cylinder in L-type plate, and for cylinder in being horizontally disposed with, the expansion link of cylinder passes through compression cylinder left side central portion and work
Fill in and connected in the middle part of left surface.
Preferably, n-type bar is also included, portable plate bottom right is provided with n-type bar, and contact wheel is located at n-type bar and connect with it
Touch, contact wheel coordinates with n-type bar.
Preferably, pole and bevel protractor are also included, mounting table top left side is provided with pole, and pole top is provided with angle
Chi is spent, bevel protractor is located on rear side of portable plate.
Operation principle：When needing to be imparted knowledge to students, operating personnel can start angle regulator, and then angular adjustment fills
Put and drive portable plate right part to move up and down, portable plate is inclined to set, when portable plate is moved to the angle of demand, you can close
Angle regulator, first is pulled to start mechanism, first starts mechanism and the second button contacts, and timer starts timing, simultaneously
Car is moved to the left on portable plate, and when car is moved to high order end, car and the first button contacts, timer are closed,
Operating personnel can calculate the speed of dolly by the time on timer and portable plate high scale, in this way, can make student more
Intuitively see time and distance, and calculate speed.After speed is calculated, dolly can be returned to original by operating personnel
Blocked by the first beginning mechanism position.
Because angle regulator includes the first motor, 7 type bars, screw rod, sleeve, contact wheel and bearing block, mounting table
Right side is Embedded to be provided with bearing block, and screw rod is provided with bearing block, and screw rod top is provided with sleeve, interior spiral shell is provided with sleeve
Line, sleeve is interior to be coordinated with screw rod, is provided with contact wheel at the top of sleeve, contact wheel contacts with portable plate bottom right, and mounting table is right
Side symmetrical expression is provided with guide hole, and guide hole is located at left and right sides of bearing block, is provided with 7 type bars in guide hole, the type bar of the left and right sides 7 it is inner and
The outer left and right sides bottom connection of sleeve, transverse slat top right side are provided with the first motor, and the first motor is located at immediately below screw rod, and first
In being vertically arranged, the output shaft of the first motor is connected motor by shaft coupling with screw rod bottom, when starting teaching, operating personnel
The rotation of motor positive and negative alternate can be started, motor positive and negative alternate, which rotates, drives screw rod positive and negative alternate to rotate, and screw rod positive and negative alternate turns
Dynamic band moving sleeve moves up and down, and sleeve, which moves up and down, drives contact wheel to move up and down, and contact wheel moves up and down to be rolled on portable plate
It is dynamic, and then contact wheel drives portable plate right part to move up and down, when portable plate right part moves up and down the angle for making angle reach demand
When, you can motor is closed, starts the experiment to speed.In this way, making portable plate tilt to different angles, different speed can be calculated
Degree.
Because the first beginning mechanism includes arm-tie, fixed block, guide pin bushing, guide rod, the first spring and fixed plate, car bottom
Right side is provided with fixed block, and portable plate right flank middle part is provided with guide pin bushing, guide rod, guide rod upper right and fixation are provided with guide pin bushing
Block contacts, and guide rod left upper portion is provided with fixed plate fixed plate and is located above the second button, and guide rod bottom is provided with arm-tie, arm-tie
The first spring is connected between top and guide pin bushing bottom, the first spring housing is on guide rod, when portable plate is moved to the angle of demand
When, operating personnel can press arm-tie and move down, and arm-tie, which moves down, drives guide rod to move down, and the first spring elongation, leads
Bar, which moves down, drives fixed plate to move down, and fixed plate moves down starts timing with the second button contacts, timer, together
When, guide rod is not contacted with fixed block, and dolly is moved to the left on portable plate, you can the experiment to speed.When dolly starts to move
When, you can arm-tie is unclamped, because of the effect of the first spring, guide rod, which moves up, drives arm-tie to move up recovery to original position.Work as reality
After the completion of testing, operating personnel can recover dolly to original position.
Because also include braking start mechanism, braking start mechanism include L-type plate, support, the first hopper, cylinder,
Second motor, rotating disk, storage bulb, baffle plate and the 3rd motor, portable plate bottom right are provided with L-type plate, L-type plate inner bottom part right side
Support is installed, support left upper portion is provided with the first hopper, and support left lower is provided with cylinder, cylinder crown center and
One hopper connects, and cylinder is provided with discharging opening, trailing flank home position is pacified in cylinder with being connected in the first hopper among cylinder body bottom
Equipped with the second motor, the first button also has circuit to be connected with the second motor, and the output shaft of the second motor is connected with by shaft coupling
Rotating disk, rotating disk are located on front side of the second motor, and rotating disk lateral surface is provided with groove, and arm-tie right flank is provided with storage bulb, storage bulb position
Immediately below discharging opening, arm-tie bottom right is provided with the 3rd motor, and the 3rd motor is in be vertically arranged, the output shaft of the 3rd motor
Baffle plate is connected with by shaft coupling, baffle plate coordinates below storage bulb with it, and spheroid is poured into the first material by operating personnel first
In bucket, when needing to start experiment, you can start the second motor and rotate, the second motor rotational band turn disk rotates, and then when recessed
When groove is turned to below the discharge end of the first hopper, one of spheroid is fallen in groove, and then rotating disk rotates and passes through groove
Spheroid is driven to rotate, when spheroid turns to lower section, spheroid is fallen in storage bulb by discharging opening, and then spheroid falls to gear
On plate, spheroid drives baffle plate to move down, and baffle plate moves downwards through the 3rd motor driven arm-tie and moved down, and then makes dolly
Start mobile and timer and start timing.When dolly encounters the first button, the 3rd motor is activated, and then the 3rd motor rotates
Flapper is driven, flapper does not block spheroid, and then spheroid is fallen out out of storage bulb, and operating personnel can will fall off
Spheroid be returned in the first hopper.Moved down in this way, pressing arm-tie without operating personnel, it is time saving and energy saving.
Because also including conveying device, conveying device includes cylinder, compression cylinder, piston, block, the second hopper, peace
Tubulature, second spring and go out bulb, compression cylinder is installed on the left of L-type plate inner bottom part, piston is provided with compression cylinder, piston is with compressing
It is slidably matched in cylinder, compression cylinder top right side is provided with the second hopper, and with being connected in compression cylinder, the second hopper is located at the second hopper
Store up below bulb, compression cylinder right side central is connected with out bulb, goes out bulb tail end and be located at the first hopper upper right side, goes out at the top of bulb
Left side is connected with installing pipe, and block is provided with installing pipe, second spring, L are connected between installing pipe inner top at the top of block
Left surface bottom is provided with cylinder in template, and for cylinder in being horizontally disposed with, the expansion link of cylinder passes through compression cylinder left side central portion and work
Fill in and connected in the middle part of left surface, when the spheroid in storage bulb drops, spheroid is fallen in the second hopper, and then falls to compression cylinder
Interior, operating personnel can start cylinder, and the expansion link telescopic band piston of cylinder is moved left and right, and piston is moved left and right compression cylinder
Interior spheroid is pushed into out in bulb, and spheroid is located in storage bulb by fixed block, and fixed block blocks spheroid, closes cylinder,
With continuous experiment, spheroid is constantly pushed into out in bulb, and then is gone out the spheroid in bulb and be pushed into the first hopper.Such as
This, spheroid is collected be returned to without operating personnel in the first hopper, convenient and swift.
Because also including n-type bar, portable plate bottom right is provided with n-type bar, and contact wheel is located at n-type bar and is in contact with it,
Contact wheel coordinates with n-type bar, and when contact wheel drives portable plate right part to move up and down, n-type bar play the guiding role, and then makes contact
Wheel more stably drives portable plate movement.
Because also including pole and bevel protractor, mounting table top left side is provided with pole, and the installation of pole top is angled
Chi, bevel protractor are located on rear side of portable plate, and when portable plate moves up and down, operating personnel can be known on portable plate by bevel protractor
Lower movement is at most spent less.In this way, the angle that can move portable plate is more accurate.
（3）Beneficial effect
The present invention can be adjusted to different angles to portable plate by angle regulator, and can calculate different speed, reached
Speed can be tested, and allow what student will be apparent that to know speed, and it is directly perceived to impart knowledge to students, the effect improved the quality of teaching.
Brief description of the drawings
Fig. 1 is the first main structure diagram of the present invention.
Fig. 2 is the main structure diagram of part A of the present invention.
Fig. 3 is second of main structure diagram of the present invention.
Fig. 4 is the first main structure diagram that present invention braking starts mechanism.
Fig. 5 is second of main structure diagram that present invention braking starts mechanism.
Fig. 6 is the third main structure diagram of the present invention.
Fig. 7 is the 4th kind of main structure diagram of the present invention.
Mark in accompanying drawing for：1- mounting tables, 2- transverse slats, 3- timers, 4- bearings, 5- portable plates, 6- risers, 7- first
Button, the buttons of 8- second, 9- cars, 10- angle regulators, the motors of 101- first, 102- guide holes, 103-7 type bars, 104- spiral shells
Bar, 105- sleeves, 106- contact wheels, 107- bearing blocks, the beginnings of 11- first mechanism, 111- arm-ties, 112- fixed blocks, 113- are led
Set, 114- guide rods, the springs of 115- first, 116- fixed plates, 12- brakings start mechanism, 121-L templates, 122- supports, 123- the
One hopper, 124- cylinders, the motors of 125- second, 126- rotating disks, 127- grooves, 128- discharging openings, 129- storage bulbs, 1210- gears
Plate, the motors of 1211- the 3rd, 13- conveying devices, 131- cylinders, 132- compression cylinders, 133- pistons, 134- blocks, the material of 135- second
Bucket, 136- installing pipes, 137- second springs, 138- go out bulb, 14-n type bars, 15- poles, 16- bevel protractors.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of physics teaching measure average speed experimental provision, as shown in figs. 1-7, includes mounting table 1, transverse slat 2, timer
3rd, bearing 4, portable plate 5, riser 6, the first button 7, the second button 8, car 9, angle regulator 10 and first start mechanism
11, transverse slat 2, the right side of mounting table 1 and the top right side of transverse slat 2 are installed between the left and right sides supporting leg medial surface bottom of mounting table 1
Between be provided with angle regulator 10, the top left side of mounting table 1 is provided with bearing 4, and the top rotary type of bearing 4 is provided with activity
Plate 5, the bottom of portable plate 5 contact with angle regulator 10, and the top left side of portable plate 5 is provided with riser 6, on the right flank of riser 6
Portion is provided with the first button 7, and the top right side of portable plate 5 is provided with car 9, set between the bottom right of car 9 and the right flank of portable plate 5
There is the first beginning mechanism 11, the top right side of portable plate 5 is provided with the second button 8, and the second button 8 is matched somebody with somebody with the first beginning mechanism 11
Close, the top left side of mounting table 1 is provided with timer 3, and timer 3 has circuit to be connected with the first button 7 and the second button 8.
Embodiment 2
A kind of physics teaching measure average speed experimental provision, as shown in figs. 1-7, includes mounting table 1, transverse slat 2, timer
3rd, bearing 4, portable plate 5, riser 6, the first button 7, the second button 8, car 9, angle regulator 10 and first start mechanism
11, transverse slat 2, the right side of mounting table 1 and the top right side of transverse slat 2 are installed between the left and right sides supporting leg medial surface bottom of mounting table 1
Between be provided with angle regulator 10, the top left side of mounting table 1 is provided with bearing 4, and the top rotary type of bearing 4 is provided with activity
Plate 5, the bottom of portable plate 5 contact with angle regulator 10, and the top left side of portable plate 5 is provided with riser 6, on the right flank of riser 6
Portion is provided with the first button 7, and the top right side of portable plate 5 is provided with car 9, set between the bottom right of car 9 and the right flank of portable plate 5
There is the first beginning mechanism 11, the top right side of portable plate 5 is provided with the second button 8, and the second button 8 is matched somebody with somebody with the first beginning mechanism 11
Close, the top left side of mounting table 1 is provided with timer 3, and timer 3 has circuit to be connected with the first button 7 and the second button 8.
Angle regulator 10 includes the first motor 101,7 type bars 103, screw rod 104, sleeve 105, the and of contact wheel 106
Bearing block 107, the right side of mounting table 1 is Embedded to be provided with bearing block 107, and screw rod 104, screw rod 104 are provided with bearing block 107
Top is provided with sleeve 105, and internal thread is provided with sleeve 105, is coordinated in sleeve 105 with screw rod 104, and the top of sleeve 105 is provided with
Contact wheel 106, contact wheel 106 contact with the bottom right of portable plate 5, and the right side symmetrical expression of mounting table 1 is provided with guide hole 102, guide hole
102 are provided with 7 type bars 103, the inner of 7 type bar of the left and right sides 103 and sleeve 105 in the left and right sides of bearing block 107, guide hole 102
Outer left and right sides bottom connection, the top right side of transverse slat 2 is provided with the first motor 101, under the first motor 101 is located at screw rod 104 just
Side, in being vertically arranged, the output shaft of the first motor 101 is connected the first motor 101 by shaft coupling with the bottom of screw rod 104.
Embodiment 3
A kind of physics teaching measure average speed experimental provision, as shown in figs. 1-7, includes mounting table 1, transverse slat 2, timer
3rd, bearing 4, portable plate 5, riser 6, the first button 7, the second button 8, car 9, angle regulator 10 and first start mechanism
11, transverse slat 2, the right side of mounting table 1 and the top right side of transverse slat 2 are installed between the left and right sides supporting leg medial surface bottom of mounting table 1
Between be provided with angle regulator 10, the top left side of mounting table 1 is provided with bearing 4, and the top rotary type of bearing 4 is provided with activity
Plate 5, the bottom of portable plate 5 contact with angle regulator 10, and the top left side of portable plate 5 is provided with riser 6, on the right flank of riser 6
Portion is provided with the first button 7, and the top right side of portable plate 5 is provided with car 9, set between the bottom right of car 9 and the right flank of portable plate 5
There is the first beginning mechanism 11, the top right side of portable plate 5 is provided with the second button 8, and the second button 8 is matched somebody with somebody with the first beginning mechanism 11
Close, the top left side of mounting table 1 is provided with timer 3, and timer 3 has circuit to be connected with the first button 7 and the second button 8.
Angle regulator 10 includes the first motor 101,7 type bars 103, screw rod 104, sleeve 105, the and of contact wheel 106
Bearing block 107, the right side of mounting table 1 is Embedded to be provided with bearing block 107, and screw rod 104, screw rod 104 are provided with bearing block 107
Top is provided with sleeve 105, and internal thread is provided with sleeve 105, is coordinated in sleeve 105 with screw rod 104, and the top of sleeve 105 is provided with
Contact wheel 106, contact wheel 106 contact with the bottom right of portable plate 5, and the right side symmetrical expression of mounting table 1 is provided with guide hole 102, guide hole
102 are provided with 7 type bars 103, the inner of 7 type bar of the left and right sides 103 and sleeve 105 in the left and right sides of bearing block 107, guide hole 102
Outer left and right sides bottom connection, the top right side of transverse slat 2 is provided with the first motor 101, under the first motor 101 is located at screw rod 104 just
Side, in being vertically arranged, the output shaft of the first motor 101 is connected the first motor 101 by shaft coupling with the bottom of screw rod 104.
First beginning mechanism 11 includes arm-tie 111, fixed block 112, guide pin bushing 113, guide rod 114, the first spring 115 and consolidated
Fixed board 116, the bottom right of car 9 are provided with fixed block 112, and the right flank middle part of portable plate 5 is provided with guide pin bushing 113, in guide pin bushing 113
Provided with guide rod 114, the upper right of guide rod 114 contacts with fixed block 112, and the left upper portion of guide rod 114 is provided with fixed plate 116 and fixed
Plate 116 is located at the top of the second button 8, and the bottom of guide rod 114 is provided with arm-tie 111, between the top of arm-tie 111 and the bottom of guide pin bushing 113
The first spring 115 is connected with, the first spring 115 is enclosed on guide rod 114.
Embodiment 4
A kind of physics teaching measure average speed experimental provision, as shown in figs. 1-7, includes mounting table 1, transverse slat 2, timer
3rd, bearing 4, portable plate 5, riser 6, the first button 7, the second button 8, car 9, angle regulator 10 and first start mechanism
11, transverse slat 2, the right side of mounting table 1 and the top right side of transverse slat 2 are installed between the left and right sides supporting leg medial surface bottom of mounting table 1
Between be provided with angle regulator 10, the top left side of mounting table 1 is provided with bearing 4, and the top rotary type of bearing 4 is provided with activity
Plate 5, the bottom of portable plate 5 contact with angle regulator 10, and the top left side of portable plate 5 is provided with riser 6, on the right flank of riser 6
Portion is provided with the first button 7, and the top right side of portable plate 5 is provided with car 9, set between the bottom right of car 9 and the right flank of portable plate 5
There is the first beginning mechanism 11, the top right side of portable plate 5 is provided with the second button 8, and the second button 8 is matched somebody with somebody with the first beginning mechanism 11
Close, the top left side of mounting table 1 is provided with timer 3, and timer 3 has circuit to be connected with the first button 7 and the second button 8.
Angle regulator 10 includes the first motor 101,7 type bars 103, screw rod 104, sleeve 105, the and of contact wheel 106
Bearing block 107, the right side of mounting table 1 is Embedded to be provided with bearing block 107, and screw rod 104, screw rod 104 are provided with bearing block 107
Top is provided with sleeve 105, and internal thread is provided with sleeve 105, is coordinated in sleeve 105 with screw rod 104, and the top of sleeve 105 is provided with
Contact wheel 106, contact wheel 106 contact with the bottom right of portable plate 5, and the right side symmetrical expression of mounting table 1 is provided with guide hole 102, guide hole
102 are provided with 7 type bars 103, the inner of 7 type bar of the left and right sides 103 and sleeve 105 in the left and right sides of bearing block 107, guide hole 102
Outer left and right sides bottom connection, the top right side of transverse slat 2 is provided with the first motor 101, under the first motor 101 is located at screw rod 104 just
Side, in being vertically arranged, the output shaft of the first motor 101 is connected the first motor 101 by shaft coupling with the bottom of screw rod 104.
First beginning mechanism 11 includes arm-tie 111, fixed block 112, guide pin bushing 113, guide rod 114, the first spring 115 and consolidated
Fixed board 116, the bottom right of car 9 are provided with fixed block 112, and the right flank middle part of portable plate 5 is provided with guide pin bushing 113, in guide pin bushing 113
Provided with guide rod 114, the upper right of guide rod 114 contacts with fixed block 112, and the left upper portion of guide rod 114 is provided with fixed plate 116 and fixed
Plate 116 is located at the top of the second button 8, and the bottom of guide rod 114 is provided with arm-tie 111, between the top of arm-tie 111 and the bottom of guide pin bushing 113
The first spring 115 is connected with, the first spring 115 is enclosed on guide rod 114.
Also include braking and start mechanism 12, braking starts mechanism 12 and includes L-type plate 121, support 122, the first hopper
123rd, cylinder 124, the second motor 125, rotating disk 126, storage bulb 129, the motor 1211 of baffle plate 1210 and the 3rd, the bottom of portable plate 5
Right side is provided with L-type plate 121, is provided with support 122 on the right side of the inner bottom part of L-type plate 121, the left upper portion of support 122 is provided with first
Hopper 123, the left lower of support 122 are provided with cylinder 124, and the crown center of cylinder 124 is connected with the first hopper 123, cylinder 124
Connected with the first hopper 123, discharging opening 128 is provided among the bottom of cylinder 124, trailing flank home position is installed in cylinder 124
There is the second motor 125, the first button 7 also has circuit to be connected with the second motor 125, and the output shaft of the second motor 125 passes through shaft coupling
Device is connected with rotating disk 126, and rotating disk 126 is located at the front side of the second motor 125, and the lateral surface of rotating disk 126 is provided with groove 127, and arm-tie 111 is right
Side is provided with storage bulb 129, and storage bulb 129 is located at immediately below discharging opening 128, and the bottom right of arm-tie 111 is provided with the 3rd electricity
Machine 1211, for the 3rd motor 1211 in being vertically arranged, the output shaft of the 3rd motor 1211 is connected with baffle plate 1210 by shaft coupling, gear
Plate 1210 coordinates positioned at the lower section of storage bulb 129 with it.
Also include conveying device 13, conveying device 13 include cylinder 131, compression cylinder 132, piston 133, block 134,
Second hopper 135, installing pipe 136, second spring 137 and go out bulb 138, compression cylinder is installed on the left of the inner bottom part of L-type plate 121
132, compression cylinder 132 is interior to be provided with piston 133, and piston 133 in compression cylinder 132 with being slidably matched, the installation of the top right side of compression cylinder 132
There is the second hopper 135, the second hopper 135 in compression cylinder 132 with connecting, and the second hopper 135 is positioned at the lower section of storage bulb 129, compression
The right side central of cylinder 132 is connected with out bulb 138, goes out the tail end of bulb 138 and is located at the upper right side of the first hopper 123, goes out the top of bulb 138
Left side is connected with installing pipe 136, and block 134 is provided with installing pipe 136, is connected between the top of block 134 and the inner top of installing pipe 136
Second spring 137 is connected to, left surface bottom is provided with cylinder 131 in L-type plate 121, and cylinder 131 is in be horizontally disposed with, cylinder 131
Expansion link is through the left side central portion of compression cylinder 132 with being connected in the middle part of the left surface of piston 133.
Also include n-type bar 14, the bottom right of portable plate 5 is provided with n-type bar 14, and contact wheel 106 is located at n-type bar 14 and its
Contact, contact wheel 106 coordinate with n-type bar 14.
Also include pole 15 and bevel protractor 16, the top left side of mounting table 1 is provided with pole 15, and the top of pole 15 is provided with
Bevel protractor 16, bevel protractor 16 are located at the rear side of portable plate 5.
Operation principle：When needing to be imparted knowledge to students, operating personnel can start angle regulator 10, and then angular adjustment
Device 10 drives the right part of portable plate 5 to move up and down, and portable plate 5 is inclined to set, when portable plate 5 is moved to the angle of demand,
Can closing angle adjusting means 10, pull first start mechanism 11, first beginning mechanism 11 is contacted with the second button 8, timing
Device 3 starts timing, while car 9 is moved to the left on portable plate 5, and when car 9 is moved to high order end, car 9 is pressed with first
Button 7 is contacted, and timer 3 is closed, and operating personnel can be calculated with the high scale of portable plate 5 small by the time on timer 3
The speed of car, in this way, student can be made more intuitively to see time and distance, and calculate speed.After speed is calculated, behaviour
Make personnel and dolly can be returned in situ to block by the first beginning mechanism 11.
Because angle regulator 10 includes the first motor 101,7 type bars 103, screw rod 104, sleeve 105, contact wheel
106 and bearing block 107, the right side of mounting table 1 is Embedded to be provided with bearing block 107, and screw rod 104, spiral shell are provided with bearing block 107
The top of bar 104 is provided with sleeve 105, and internal thread is provided with sleeve 105, is coordinated in sleeve 105 with screw rod 104, and the top of sleeve 105 is pacified
Equipped with contact wheel 106, contact wheel 106 contacts with the bottom right of portable plate 5, and the right side symmetrical expression of mounting table 1 is provided with guide hole 102,
Guide hole 102 is located at the left and right sides of bearing block 107, and 7 type bars 103, the inner of 7 type bar of the left and right sides 103 and sleeve are provided with guide hole 102
105 outer left and right sides bottom connections, the top right side of transverse slat 2 are provided with the first motor 101, and the first motor 101 is being located at screw rod 104 just
Lower section, in being vertically arranged, the output shaft of the first motor 101 is connected the first motor 101 by shaft coupling with the bottom of screw rod 104, when
When starting teaching, operating personnel can start the rotation of motor positive and negative alternate, and motor positive and negative alternate, which rotates, drives the reciprocal cross of screw rod 104
For rotation, the positive and negative alternate rotational band moving sleeve 105 of screw rod 104 is moved up and down, and sleeve 105, which moves up and down, to be driven on contact wheel 106
Lower movement, contact wheel 106 moves up and down to be rolled on portable plate 5, and then contact wheel 106 drives the right part of portable plate 5 to move up and down,
When the right part of portable plate 5 moves up and down the angle for making angle reach demand, you can close motor, start the experiment to speed.Such as
This, makes portable plate 5 tilt to different angles, can calculate different speed.
Because the first beginning mechanism 11 includes arm-tie 111, fixed block 112, guide pin bushing 113, guide rod 114, the first spring 115
With fixed plate 116, the bottom right of car 9 is provided with fixed block 112, and the right flank middle part of portable plate 5 is provided with guide pin bushing 113, guide pin bushing
Guide rod 114 is provided with 113, the upper right of guide rod 114 contacts with fixed block 112, and the left upper portion of guide rod 114 is provided with fixed plate
116 fixed plates 116 are located at the top of the second button 8, and the bottom of guide rod 114 is provided with arm-tie 111, the top of arm-tie 111 and the bottom of guide pin bushing 113
The first spring 115 is connected between portion, the first spring 115 is enclosed on guide rod 114, when portable plate 5 is moved to the angle of demand,
Operating personnel can press arm-tie 111 and move down, and arm-tie 111, which moves down, drives guide rod 114 to move down, the first spring
115 stretchings, guide rod 114, which moves down, drives fixed plate 116 to move down, and fixed plate 116 moves down to be connect with the second button 8
Touching, timer 3 starts timing, meanwhile, guide rod 114 is not contacted with fixed block 112, and dolly is moved to the left on portable plate 5, you can
Experiment to speed.When dolly starts to move, you can arm-tie 111 is unclamped, because the effect of the first spring 115, guide rod 114 are upward
It is mobile to drive arm-tie 111 to move up recovery to original position.After the completion of experiment, operating personnel can recover dolly to original position.
Because also including braking starts mechanism 12, braking starts mechanism 12 and includes L-type plate 121, support 122, first
Hopper 123, cylinder 124, the second motor 125, rotating disk 126, storage bulb 129, the motor 1211 of baffle plate 1210 and the 3rd, portable plate 5
Bottom right is provided with L-type plate 121, is provided with support 122 on the right side of the inner bottom part of L-type plate 121, the left upper portion of support 122 is provided with
First hopper 123, the left lower of support 122 are provided with cylinder 124, and the crown center of cylinder 124 is connected with the first hopper 123, cylinder
Body 124 is provided with discharging opening 128, trailing flank home position in cylinder 124 with being connected in the first hopper 123 among the bottom of cylinder 124
Second motor 125 is installed, the first button 7 also has circuit to be connected with the second motor 125, and the output shaft of the second motor 125 passes through
Shaft coupling is connected with rotating disk 126, and rotating disk 126 is located at the front side of the second motor 125, and the lateral surface of rotating disk 126 is provided with groove 127, arm-tie
111 right flanks are provided with storage bulb 129, and storage bulb 129 be located at the underface of discharging opening 128, and the bottom right of arm-tie 111 is provided with the
Three motors 1211, for the 3rd motor 1211 in being vertically arranged, the output shaft of the 3rd motor 1211 is connected with baffle plate by shaft coupling
1210, baffle plate 1210 coordinates positioned at the lower section of storage bulb 129 with it, and operating personnel pour into spheroid in the first hopper 123 first, when
When needing to start experiment, you can start the second motor 125 and rotate, the rotational band turn disk 126 of the second motor 125 rotates, and then works as
When groove 127 is turned to below the discharge end of the first hopper 123, one of spheroid is fallen in groove 127, and then rotating disk
126 rotate by the drive spheroid rotation of groove 127, and when spheroid turns to lower section, spheroid falls to storage ball by discharging opening 128
In pipe 129, and then spheroid is fallen on baffle plate 1210, and spheroid drives baffle plate 1210 to move down, and baffle plate 1210 moves down logical
Crossing the 3rd motor 1211 drives arm-tie 111 to move down, and then dolly is started mobile and timer 3 and start timing.Work as dolly
When encountering the first button 7, the 3rd motor 1211 is activated, and then the 3rd motor 1211 rotates and drives baffle plate 1210 to rotate, baffle plate
1210 rotations are not blocked spheroid, and then spheroid is fallen out out of storage bulb 129, and the spheroid that operating personnel can will fall off is put back to
To the first hopper 123.Moved down in this way, pressing arm-tie 111 without operating personnel, it is time saving and energy saving.
Because also including conveying device 13, conveying device 13 includes cylinder 131, compression cylinder 132, piston 133, block
134th, the second hopper 135, installing pipe 136, second spring 137 and go out bulb 138, compression is installed on the left of the inner bottom part of L-type plate 121
Cylinder 132, compression cylinder 132 is interior to be provided with piston 133, and piston 133 in compression cylinder 132 with being slidably matched, the top right side of compression cylinder 132 peace
Equipped with the second hopper 135, the second hopper 135 in compression cylinder 132 with connecting, and the second hopper 135 is positioned at the lower section of storage bulb 129, pressure
The right side central of contracting cylinder 132 is connected with out bulb 138, goes out the tail end of bulb 138 and is located at the upper right side of the first hopper 123, goes out bulb 138 and push up
Installing pipe 136 is connected with the left of portion, block 134 is provided with installing pipe 136, between the top of block 134 and the inner top of installing pipe 136
Second spring 137 is connected with, left surface bottom is provided with cylinder 131 in L-type plate 121, and cylinder 131 is in horizontally disposed, cylinder 131
Expansion link through being connected in the middle part of the left side central portion of compression cylinder 132 and the left surface of piston 133, when the spheroid stored up in bulb 129 drops
When, spheroid is fallen in the second hopper 135, and then is fallen in compression cylinder 132, and operating personnel can start cylinder 131, cylinder
131 expansion link telescopic band piston 133 moves left and right, and piston 133 moves left and right is pushed into out ball by the spheroid in compression cylinder 132
In pipe 138, spheroid is located in storage bulb 129 by fixed block 112, and fixed block 112 blocks spheroid, closes cylinder 131, with
Constantly experiment, spheroid is constantly pushed into out in bulb 138, and then the spheroid gone out in bulb 138 is pushed into the first hopper
In 123.It is returned in this way, collecting spheroid without operating personnel in the first hopper 123, it is convenient and swift.
Because also including n-type bar 14, the bottom right of portable plate 5 is provided with n-type bar 14, and contact wheel 106 is located at n-type bar 14
It is in contact with it, contact wheel 106 coordinates with n-type bar 14, when contact wheel 106 drives the right part of portable plate 5 to move up and down, n-type bar 14
It play the guiding role, and then makes contact wheel 106 more stably drive portable plate 5 to move.
Because also including pole 15 and bevel protractor 16, the top left side of mounting table 1 is provided with pole 15, the top of pole 15 peace
Equipped with bevel protractor 16, bevel protractor 16 is located at the rear side of portable plate 5, and when portable plate 5 moves up and down, operating personnel can pass through angle
Chi 16 knows that portable plate 5 is moved up and down to how many degree.In this way, the angle that can move portable plate 5 is more accurate.
Embodiment described above only expresses the preferred embodiment of the present invention, and its description is more specific and detailed, but simultaneously
Therefore the limitation to the scope of the claims of the present invention can not be interpreted as.It should be pointed out that for one of ordinary skill in the art
For, without departing from the inventive concept of the premise, some deformations can also be made, improves and substitutes, these belong to this hair
Bright protection domain.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of physics teaching measure average speed experimental provision, it is characterised in that include mounting table（1）, transverse slat（2）、
Timer（3）, bearing（4）, portable plate（5）, riser（6）, the first button（7）, the second button（8）, car（9）, angular adjustment
Device（10）Start mechanism with first（11）, mounting table（1）Left and right sides supporting leg medial surface bottom between transverse slat is installed
（2）, mounting table（1）Right side and transverse slat（2）Angle regulator is provided between top right side（10）, mounting table（1）Top left side
Bearing is installed（4）, bearing（4）Top rotary type is provided with portable plate（5）, portable plate（5）Bottom and angle regulator
（10）Contact, portable plate（5）Top left side is provided with riser（6）, riser（6）Right flank top is provided with the first button（7）, it is living
Dynamic plate（5）Top right side is provided with car（9）, car（9）Bottom right and portable plate（5）First is provided between right flank and starts machine
Structure（11）, portable plate（5）Top right side is provided with the second button（8）, the second button（8）Start mechanism with first（11）Coordinate,
Mounting table（1）Top left side is provided with timer（3）, timer（3）With the first button（7）With the second button（8）There is circuit connection.
2. a kind of physics teaching according to claim 1 measure average speed experimental provision, it is characterised in that angle is adjusted
Regulating device（10）Include the first motor（101）, 7 type bars（103）, screw rod（104）, sleeve（105）, contact wheel（106）And axle
Bearing（107）, mounting table（1）Right side is Embedded to be provided with bearing block（107）, bearing block（107）Screw rod is inside installed
（104）, screw rod（104）Top is provided with sleeve（105）, sleeve（105）Inside it is provided with internal thread, sleeve（105）Interior and screw rod（104）
Coordinate, sleeve（105）Top is provided with contact wheel（106）, contact wheel（106）With portable plate（5）Bottom right contacts, mounting table
（1）Right side symmetrical expression is provided with guide hole（102）, guide hole（102）Positioned at bearing block（107）The left and right sides, guide hole（102）Inside it is provided with
7 type bars（103）, the type bar of the left and right sides 7（103）Inner and sleeve（105）Outer left and right sides bottom connection, transverse slat（2）Top right
Side is provided with the first motor（101）, the first motor（101）Positioned at screw rod（104）Underface, the first motor（101）In setting vertically
Put, the first motor（101）Output shaft pass through shaft coupling and screw rod（104）Bottom connects.
3. a kind of physics teaching according to claim 2 measure average speed experimental provision, it is characterised in that first opens
Beginning mechanism（11）Include arm-tie（111）, fixed block（112）, guide pin bushing（113）, guide rod（114）, the first spring（115）And fixation
Plate（116）, car（9）Bottom right is provided with fixed block（112）, portable plate（5）Right flank middle part is provided with guide pin bushing（113）,
Guide pin bushing（113）It is interior to be provided with guide rod（114）, guide rod（114）Upper right and fixed block（112）Contact, guide rod（114）Left upper portion
Fixed plate is installed（116）Fixed plate（116）Positioned at the second button（8）Top, guide rod（114）Bottom is provided with arm-tie（111）,
Arm-tie（111）Top and guide pin bushing（113）The first spring is connected between bottom（115）, the first spring（115）It is enclosed on guide rod
（114）On.
4. a kind of physics teaching according to claim 3 measure average speed experimental provision, it is characterised in that also include
There is braking to start mechanism（12）, braking beginning mechanism（12）Include L-type plate（121）, support（122）, the first hopper（123）、
Cylinder（124）, the second motor（125）, rotating disk（126）, storage bulb（129）, baffle plate（1210）With the 3rd motor（1211）, activity
Plate（5）Bottom right is provided with L-type plate（121）, L-type plate（121）Support is installed on the right side of inner bottom part（122）, support（122）It is left
Upper lateral part is provided with the first hopper（123）, support（122）Left lower is provided with cylinder（124）, cylinder（124）Crown center
With the first hopper（123）Connection, cylinder（124）With the first hopper（123）Interior connection, cylinder（124）Discharging is provided among bottom
Mouthful（128）, cylinder（124）Interior trailing flank home position is provided with the second motor（125）, the first button（7）Also with the second motor
（125）There are circuit connection, the second motor（125）Output shaft rotating disk is connected with by shaft coupling（126）, rotating disk（126）It is located at
Second motor（125）Front side, rotating disk（126）Lateral surface is provided with groove（127）, arm-tie（111）Right flank is provided with storage bulb
（129）, store up bulb（129）Positioned at discharging opening（128）Underface, arm-tie（111）Bottom right is provided with the 3rd motor（1211）,
3rd motor（1211）In being vertically arranged, the 3rd motor（1211）Output shaft baffle plate is connected with by shaft coupling（1210）, gear
Plate（1210）Positioned at storage bulb（129）Lower section coordinates with it.
5. a kind of physics teaching according to claim 4 measure average speed experimental provision, it is characterised in that also include
There is conveying device（13）, conveying device（13）Include cylinder（131）, compression cylinder（132）, piston（133）, block（134）,
Two hoppers（135）, installing pipe（136）, second spring（137）With go out bulb（138）, L-type plate（121）It is provided with the left of inner bottom part
Compression cylinder（132）, compression cylinder（132）It is interior to be provided with piston（133）, piston（133）With compression cylinder（132）Inside it is slidably matched, compresses
Cylinder（132）Top right side is provided with the second hopper（135）, the second hopper（135）With compression cylinder（132）Interior connection, the second hopper
（135）Positioned at storage bulb（129）Lower section, compression cylinder（132）Right side central is connected with out bulb（138）, go out bulb（138）Tail end
Positioned at the first hopper（123）Upper right side, go out bulb（138）Top left side is connected with installing pipe（136）, installing pipe（136）Inside set
There is block（134）, block（134）Top and installing pipe（136）Second spring is connected between inner top（137）, L-type plate
（121）Interior left surface bottom is provided with cylinder（131）, cylinder（131）In horizontally disposed, cylinder（131）Expansion link through pressure
Contracting cylinder（132）Left side central portion and piston（133）Connected in the middle part of left surface.
6. a kind of physics teaching according to claim 5 measure average speed experimental provision, it is characterised in that also include
There is n-type bar（14）, portable plate（5）Bottom right is provided with n-type bar（14）, contact wheel（106）Positioned at n-type bar（14）Connect with it
Touch, contact wheel（106）With n-type bar（14）Coordinate.
7. a kind of physics teaching according to claim 6 measure average speed experimental provision, it is characterised in that also include
There is pole（15）And bevel protractor（16）, mounting table（1）Top left side is provided with pole（15）, pole（15）Top installation is angled
Chi（16）, bevel protractor（16）Positioned at portable plate（5）Rear side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201711313284.XA CN107895529B (en) | 2017-12-12 | 2017-12-12 | A kind of physics teaching measurement average speed experimental provision |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711313284.XA CN107895529B (en) | 2017-12-12 | 2017-12-12 | A kind of physics teaching measurement average speed experimental provision |
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| Publication Number | Publication Date |
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| CN107895529A true CN107895529A (en) | 2018-04-10 |
| CN107895529B CN107895529B (en) | 2019-12-03 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114023160A (en) * | 2021-11-03 | 2022-02-08 | 山东理工职业学院 | Mechanical type assists understanding computer binary teaching aid |
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| CN104751705A (en) * | 2015-03-23 | 2015-07-01 | 姚爱民 | Newton first law demonstrating instrument |
| CN205665933U (en) * | 2015-12-29 | 2016-10-26 | 平昌县马鞍小学 | Measure linear motion mean speed's device |
| CN106422363A (en) * | 2016-11-24 | 2017-02-22 | 顾登慧 | Teaching educational toy in accord with Newton's second law |
| CN106742117A (en) * | 2017-04-05 | 2017-05-31 | 李建云 | A kind of medical packaging solid medicine quantitative discharging device |
| CN206259091U (en) * | 2016-12-06 | 2017-06-16 | 顾梦涵 | A kind of Physical Experiment dolly and slide rail |
| CN206444546U (en) * | 2017-02-02 | 2017-08-29 | 贵州医科大学附属医院 | A kind of medical medicine dosing apparatus |
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|---|---|---|---|---|
| CN104751705A (en) * | 2015-03-23 | 2015-07-01 | 姚爱民 | Newton first law demonstrating instrument |
| CN205665933U (en) * | 2015-12-29 | 2016-10-26 | 平昌县马鞍小学 | Measure linear motion mean speed's device |
| CN106422363A (en) * | 2016-11-24 | 2017-02-22 | 顾登慧 | Teaching educational toy in accord with Newton's second law |
| CN206259091U (en) * | 2016-12-06 | 2017-06-16 | 顾梦涵 | A kind of Physical Experiment dolly and slide rail |
| CN206444546U (en) * | 2017-02-02 | 2017-08-29 | 贵州医科大学附属医院 | A kind of medical medicine dosing apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114023160A (en) * | 2021-11-03 | 2022-02-08 | 山东理工职业学院 | Mechanical type assists understanding computer binary teaching aid |
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| CN107895529B (en) | 2019-12-03 |
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