A kind of physics teaching measurement average speed experimental provision
Technical field
The present invention relates to a kind of experimental provision more particularly to a kind of physics teaching measurement average speed experimental provisions.
Background technique
Teaching is a kind of distinctive personnel training activity of the mankind composed by the religion of teacher and student.Pass through this work
Dynamic, teacher guides student to learn and grasp cultural and technical knowledge and technical ability purposeful, planned and organizedly, promotes student's element
Matter improves, them is made to become people required for society.
In physics teaching, require 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 intuitive to impart knowledge to students, and influences quality of instruction, thus need to research and develop it is a kind of speed can be carried out it is real
It tests, and allows the speed of knowing that student will be apparent that, and it is intuitive to impart knowledge to students, the physics teaching improved the quality of teaching is real with measurement average speed
Experiment device.
Summary 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 by oral account tell student's calculating speed,
And it is not intuitive to impart knowledge to students, the shortcomings that influencing quality of instruction, can carry out to speed the technical problem to be solved in the present invention is to provide a kind of
Experiment, and allow the speed of knowing that student will be apparent that, and it is intuitive to impart knowledge to students, the physics teaching improved the quality of teaching measurement average speed
Experimental provision.
(2) technical solution
In order to solve the above-mentioned technical problems, the present invention provides such a physics teaching measurement average speed experiment dresses
It sets, includes mounting table, transverse slat, timer, support, movable plate, riser, the first button, the second button, car, angular adjustment
Device and first starts mechanism, is equipped with transverse slat between the left and right sides supporting leg medial surface lower part of mounting table, on the right side of mounting table with
Angle adjustment device is equipped between transverse slat top right side, mounting table top left side is equipped with support, the peace of holder top rotary type
Equipped with movable plate, movable plate bottom is contacted with angle adjustment device, and movable plate top left side is equipped with riser, on riser right side
Portion is equipped with the first button, and movable plate top right side is equipped with car, and the is equipped between car bottom right and movable plate right side
Mechanism at the beginning, movable plate top right side are equipped with the second button, and the second button and first start mechanism cooperation, mounting table top
Left side, which is equipped with timer, timer and the first button and the second button, circuit connection.
Preferably, angle adjustment device includes first motor, 7 type bars, screw rod, sleeve, contact wheel and bearing block, is placed
It is Embedded on the right side of platform that bearing block is installed, screw rod is installed, screw rod top is equipped with sleeve, is provided with interior spiral shell in sleeve in bearing block
Line, sleeve is interior to be cooperated with screw rod, is equipped with contact wheel at the top of sleeve, contact wheel is contacted with movable plate bottom right, and mounting table is right
Side it is symmetrical be provided with guide hole, guide hole is located at left and right sides of bearing block, be equipped with 7 type bars in guide hole, 7 type bar inner end of the left and right sides and
The outer left and right sides lower part connection of sleeve, transverse slat top right side are equipped with first motor, and first motor is located at immediately below screw rod, and first
In being vertically arranged, the output shaft of first motor is connect by shaft coupling with screw rod bottom end motor.
Preferably, the first beginning mechanism includes pulling plate, fixed block, guide sleeve, guide rod, the first spring and fixed plate, car
Bottom right is equipped with fixed block, and movable plate right flank middle part is equipped with guide sleeve, is equipped with guide rod in guide sleeve, guide rod upper right with
Fixed block contact, guide rod left upper portion are equipped with fixed plate fixed plate and are located above the second button, and guide rod bottom end is equipped with pulling plate,
It is connected with the first spring between guide sleeve bottom at the top of pulling plate, the first spring pocket is on guide rod.
It preferably, further include thering is braking to start mechanism, it includes L-type plate, bracket, the first hopper, cylinder that braking, which starts mechanism,
Body, the second motor, turntable, storage bulb, baffle and third motor, movable plate bottom right are equipped with L-type plate, bottom in L-type plate
Right side is equipped with bracket, and bracket left upper portion is equipped with the first hopper, and bracket left lower is equipped with cylinder, cylinder top center
It is connect with the first hopper, is connected in cylinder and the first hopper, discharge port is provided among cylinder body bottom, trailing flank center of circle position in cylinder
It sets and the second motor is installed, the first button also has circuit connection with the second motor, and the output shaft of the second motor is connected by shaft coupling
It is connected to turntable, turntable is located on front side of the second motor, and turntable lateral surface is provided with groove, and pulling plate right side is equipped with storage bulb, stores up ball
Pipe is located at directly below the discharge opening, and pulling plate bottom right is equipped with third motor, third motor in being vertically arranged, third motor it is defeated
Shaft is connected with baffle by shaft coupling, and baffle is located at below storage bulb and cooperates with it.
Preferably, further include having conveying device, conveying device include cylinder, compression cylinder, piston, block, the second hopper,
Installing pipe, second spring and bulb out, bottom left is equipped with compression cylinder in L-type plate, and piston, piston and pressure are equipped in compression cylinder
It is slidably matched in contracting cylinder, compression cylinder top right side is equipped with the second hopper, is connected in the second hopper and compression cylinder, the second hopper position
Below storage bulb, compression cylinder right side central is connected with out bulb, and bulb tail end is located at the first hopper upper right side out, out bulb top
It is connected with installing pipe on the left of portion, block is equipped in installing pipe, is connected with second spring between installing pipe inner top at the top of block,
Left side lower part is equipped with cylinder in L-type plate, and for cylinder in being horizontally disposed with, the telescopic rod of cylinder passes through compression cylinder left side central portion and work
Fill in connection in the middle part of left side.
It preferably, further include having N-shaped bar, movable plate bottom right is equipped with N-shaped bar, and contact wheel is located at N-shaped bar and connects with it
Touching, contact wheel and N-shaped bar cooperate.
It preferably, further include having strut and bevel protractor, mounting table top left side is equipped with strut, and strut top is equipped with angle
Ruler is spent, bevel protractor is located on rear side of movable plate.
Working principle: when being imparted knowledge to students, operator can start angle adjustment device, and then angular adjustment fills
It sets and movable plate right part is driven to move up and down, movable plate is inclined to set, and when movable plate is moved to the angle of demand, can close
Angle adjustment device pulls first to start mechanism, and first starts mechanism and the second button contacts, and timer starts timing, simultaneously
Car is moved to the left on movable plate, and when car is moved to left end, car and the first button contacts, timer are closed,
Operator can calculate the speed of trolley with movable plate high scale by the time on timer, in this way, can make student more
Intuitively see time and distance, and calculates speed.After speed is calculated, trolley can be returned to original by operator
It is blocked by the first beginning mechanism position.
Because angle adjustment device includes first motor, 7 type bars, screw rod, sleeve, contact wheel and bearing block, mounting table
Right side is Embedded to be equipped with bearing block, and screw rod is equipped in bearing block, and screw rod top is equipped with sleeve, is provided with interior spiral shell in sleeve
Line, sleeve is interior to be cooperated with screw rod, is equipped with contact wheel at the top of sleeve, contact wheel is contacted with movable plate bottom right, and mounting table is right
Side it is symmetrical be provided with guide hole, guide hole is located at left and right sides of bearing block, be equipped with 7 type bars in guide hole, 7 type bar inner end of the left and right sides and
The outer left and right sides lower part connection of sleeve, transverse slat top right side are equipped with first motor, and first motor is located at immediately below screw rod, and first
In being vertically arranged, the output shaft of first motor is connect by shaft coupling with screw rod bottom end motor, when starting teaching, operator
The rotation of motor positive and negative alternate can be started, the rotation of motor positive and negative alternate drives the rotation of screw rod positive and negative alternate, 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 is moved up and down to be rolled on movable plate
It is dynamic, and then contact wheel drives movable plate right part to move up and down, when movable plate right part moves up and down the angle for making angle reach demand
When, motor can be closed, the experiment to speed is started.In this way, movable plate is made to tilt to different angles, different speed can be calculated
Degree.
Because the first beginning mechanism includes pulling plate, fixed block, guide sleeve, guide rod, the first spring and fixed plate, car bottom
Right side is equipped with fixed block, and movable plate right flank middle part is equipped with guide sleeve, is equipped with guide rod, guide rod upper right and fixation in guide sleeve
Block contact, guide rod left upper portion are equipped with fixed plate fixed plate and are located above the second button, and guide rod bottom end is equipped with pulling plate, pulling plate
The first spring is connected between top and guide sleeve bottom, the first spring pocket is on guide rod, when movable plate is moved to the angle of demand
When, operator can press pulling plate and move down, and pulling plate, which moves down, drives guide rod to move down, and the first spring elongation is led
Bar, which moves down, drives fixed plate to move down, and fixed plate, which is moved down, starts timing with the second button contacts, timer, together
When, guide rod is not contacted with fixed block, and trolley is moved to the left on movable plate, can be to the experiment of speed.When trolley starts to move
When, pulling plate can be unclamped, because of the effect of the first spring, guide rod, which moves up, drives pulling plate to move up recovery to original position.Work as reality
After the completion of testing, operator can restore trolley to original position.
Because further include have braking start mechanism, braking start mechanism include L-type plate, bracket, the first hopper, cylinder,
Second motor, turntable, storage bulb, baffle and third motor, movable plate bottom right are equipped with L-type plate, bottom right in L-type plate
Bracket is installed, bracket left upper portion is equipped with the first hopper, and bracket left lower is equipped with cylinder, cylinder top center and the
It is connected in the connection of one hopper, cylinder and the first hopper, discharge port is provided among cylinder body bottom, trailing flank center location is pacified in cylinder
Equipped with the second motor, the first button also has circuit connection with the second motor, and the output shaft of the second motor is connected with by shaft coupling
Turntable, turntable are located on front side of the second motor, and turntable lateral surface is provided with groove, and pulling plate right side is equipped with storage bulb, store up bulb position
In directly below the discharge opening, pulling plate bottom right is equipped with third motor, and third motor is in be vertically arranged, the output shaft of third motor
It is connected with baffle by shaft coupling, baffle is located at below storage bulb and cooperates with it, is operated first personnel for sphere and pours into the first material
In bucket, when needing to start experiment, the rotation of the second motor can be started, the rotation of the second motor drives turntable rotation, and then when recessed
When slot is turned to below the discharge end of the first hopper, one of sphere is fallen in groove, and then turntable rotation passes through groove
Sphere rotation is driven, when sphere turns to lower section, sphere is fallen in storage bulb by discharge port, and then sphere falls to gear
On plate, sphere drives baffle to move down, and baffle moves downwards through third motor and pulling plate is driven to move down, and then makes trolley
Start mobile and timer and starts timing.When trolley encounters the first button, third motor is activated, and then third motor rotates
Flapper is driven, flapper does not block sphere, and then sphere is fallen out out of storage bulb, and operator can will fall off
Sphere be returned in the first hopper.It is moved down in this way, pressing pulling plate without operator, it is time saving and energy saving.
Because further including having conveying device, conveying device includes cylinder, compression cylinder, piston, block, the second hopper, peace
Tubulature, second spring and bulb out, bottom left is equipped with compression cylinder in L-type plate, and piston, piston and compression are equipped in compression cylinder
It is slidably matched in cylinder, compression cylinder top right side is equipped with the second hopper, is connected in the second hopper and compression cylinder, the second hopper is located at
It stores up below bulb, compression cylinder right side central is connected with out bulb, and bulb tail end is located at the first hopper upper right side out, out at the top of bulb
Left side is connected with installing pipe, and block is equipped in installing pipe, is connected with second spring, L between installing pipe inner top at the top of block
Left side lower part is equipped with cylinder in template, and for cylinder in being horizontally disposed with, the telescopic rod of cylinder passes through compression cylinder left side central portion and work
Connection in the middle part of left side is filled in, when the sphere in storage bulb is fallen, sphere is fallen in the second hopper, and then falls to compression cylinder
Interior, operator can start cylinder, and the telescopic rod telescopic band piston of cylinder moves left and right, and piston is moved left and right compression cylinder
Interior sphere is pushed into out in bulb, and sphere is located in storage bulb by fixed block, and fixed block blocks sphere, closes cylinder,
With continuous experiment, sphere is constantly pushed into out in bulb, and then the sphere in bulb is pushed into the first hopper out.Such as
Sphere collection, is returned in the first hopper by this without operator, convenient and efficient.
Because further including having N-shaped bar, movable plate bottom right is equipped with N-shaped bar, and contact wheel is located at N-shaped bar and is in contact with it,
Contact wheel and N-shaped bar cooperate, and when contact wheel drives movable plate right part to move up and down, N-shaped bar play the guiding role, and then makes to contact
Wheel more stably drives movable plate mobile.
Because further including having strut and bevel protractor, mounting table top left side is equipped with strut, and the installation of strut top is angled
Ruler, bevel protractor are located on rear side of movable plate, and when movable plate moves up and down, operator can be known on movable plate by bevel protractor
Lower movement is at most spent less.In this way, the angle that movable plate can be made mobile is more accurate.
(3) beneficial effect
The present invention can be adjusted to different angles by angle adjustment device to movable plate, and can calculate different speed,
Speed can be tested by having reached, and allow the speed of knowing that student will be apparent that, and it is intuitive to impart knowledge to students, the effect improved the quality of teaching
Fruit.
Detailed description of the invention
Fig. 1 is the first schematic view of the front view of the invention.
Fig. 2 is the schematic view of the front view of part A of the present invention.
Fig. 3 is second of schematic view of the front view of the invention.
Fig. 4 is the first schematic view of the front view that present invention braking starts mechanism.
Fig. 5 is second of schematic view of the front view that present invention braking starts mechanism.
Fig. 6 is the third schematic view of the front view of the invention.
Fig. 7 is the 4th kind of schematic view of the front view of the invention.
The label in accompanying drawing is: 1- mounting table, 2- transverse slat, 3- timer, 4- support, 5- movable plate, 6- riser, 7- first
Button, the second button of 8-, 9- car, 10- angle adjustment device, 101- first motor, 102- guide hole, 103-7 type bar, 104- spiral shell
Bar, 105- sleeve, 106- contact wheel, 107- bearing block, the beginning of 11- first mechanism, 111- pulling plate, 112- fixed block, 113- are led
Set, 114- guide rod, the first spring of 115-, 116- fixed plate, 12- braking start mechanism, 121-L template, 122- bracket, 123- the
One hopper, 124- cylinder, the second motor of 125-, 126- turntable, 127- groove, 128- discharge port, 129- store up bulb, 1210- gear
Plate, 1211- third motor, 13- conveying device, 131- cylinder, 132- compression cylinder, 133- piston, 134- block, the second material of 135-
Bucket, 136- installing pipe, 137- second spring, 138- go out bulb, 14-n type bar, 15- strut, 16- bevel protractor.
Specific embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
Embodiment 1
A kind of physics teaching measurement average speed experimental provision includes as shown in figs. 1-7 mounting table 1, transverse slat 2, meter
When device 3, support 4, movable plate 5, riser 6, the first button 7, the second button 8, car 9, angle adjustment device 10 and first start
Mechanism 11 is equipped with transverse slat 2,1 right side of mounting table and 2 top of transverse slat between the left and right sides supporting leg medial surface lower part of mounting table 1
Angle adjustment device 10 is equipped between right side, 1 top left side of mounting table is equipped with support 4, and 4 top rotary type of support is equipped with
Movable plate 5,5 bottom of movable plate are contacted with angle adjustment device 10, and 5 top left side of movable plate is equipped with riser 6,6 right side of riser
Face top is equipped with the first button 7, and 5 top right side of movable plate is equipped with car 9,9 bottom right of car and 5 right side of movable plate it
Between be equipped with first and start mechanism 11,5 top right side of movable plate is equipped with the second button 8, the second button 8 and the first beginning mechanism 11
Cooperation, 1 top left side of mounting table, which is equipped with timer 3, timer 3 and the first button 7 and the second button 8, circuit connection.
Embodiment 2
A kind of physics teaching measurement average speed experimental provision includes as shown in figs. 1-7 mounting table 1, transverse slat 2, meter
When device 3, support 4, movable plate 5, riser 6, the first button 7, the second button 8, car 9, angle adjustment device 10 and first start
Mechanism 11 is equipped with transverse slat 2,1 right side of mounting table and 2 top of transverse slat between the left and right sides supporting leg medial surface lower part of mounting table 1
Angle adjustment device 10 is equipped between right side, 1 top left side of mounting table is equipped with support 4, and 4 top rotary type of support is equipped with
Movable plate 5,5 bottom of movable plate are contacted with angle adjustment device 10, and 5 top left side of movable plate is equipped with riser 6,6 right side of riser
Face top is equipped with the first button 7, and 5 top right side of movable plate is equipped with car 9,9 bottom right of car and 5 right side of movable plate it
Between be equipped with first and start mechanism 11,5 top right side of movable plate is equipped with the second button 8, the second button 8 and the first beginning mechanism 11
Cooperation, 1 top left side of mounting table, which is equipped with timer 3, timer 3 and the first button 7 and the second button 8, circuit connection.
Angle adjustment device 10 includes first motor 101,7 type bars 103, screw rod 104, sleeve 105,106 and of contact wheel
Bearing block 107,1 right side of mounting table is Embedded to be equipped with bearing block 107, and screw rod 104, screw rod 104 are equipped in bearing block 107
Top is equipped with sleeve 105, and internal screw thread is provided in sleeve 105, cooperates in sleeve 105 with screw rod 104, is equipped at the top of sleeve 105
Contact wheel 106, contact wheel 106 are contacted with 5 bottom right of movable plate, and 1 right side symmetrical expression of mounting table is provided with guide hole 102, guide hole
102 are located at 107 left and right sides of bearing block, are equipped with 7 type bars 103,7 type bar of the left and right sides, 103 inner end and sleeve 105 in guide hole 102
Outer left and right sides lower part connection, 2 top right side of transverse slat is equipped with first motor 101, under first motor 101 is located at screw rod 104 just
Side, in being vertically arranged, the output shaft of first motor 101 is connect by shaft coupling with 104 bottom end of screw rod first motor 101.
Embodiment 3
A kind of physics teaching measurement average speed experimental provision includes as shown in figs. 1-7 mounting table 1, transverse slat 2, meter
When device 3, support 4, movable plate 5, riser 6, the first button 7, the second button 8, car 9, angle adjustment device 10 and first start
Mechanism 11 is equipped with transverse slat 2,1 right side of mounting table and 2 top of transverse slat between the left and right sides supporting leg medial surface lower part of mounting table 1
Angle adjustment device 10 is equipped between right side, 1 top left side of mounting table is equipped with support 4, and 4 top rotary type of support is equipped with
Movable plate 5,5 bottom of movable plate are contacted with angle adjustment device 10, and 5 top left side of movable plate is equipped with riser 6,6 right side of riser
Face top is equipped with the first button 7, and 5 top right side of movable plate is equipped with car 9,9 bottom right of car and 5 right side of movable plate it
Between be equipped with first and start mechanism 11,5 top right side of movable plate is equipped with the second button 8, the second button 8 and the first beginning mechanism 11
Cooperation, 1 top left side of mounting table, which is equipped with timer 3, timer 3 and the first button 7 and the second button 8, circuit connection.
Angle adjustment device 10 includes first motor 101,7 type bars 103, screw rod 104, sleeve 105,106 and of contact wheel
Bearing block 107,1 right side of mounting table is Embedded to be equipped with bearing block 107, and screw rod 104, screw rod 104 are equipped in bearing block 107
Top is equipped with sleeve 105, and internal screw thread is provided in sleeve 105, cooperates in sleeve 105 with screw rod 104, is equipped at the top of sleeve 105
Contact wheel 106, contact wheel 106 are contacted with 5 bottom right of movable plate, and 1 right side symmetrical expression of mounting table is provided with guide hole 102, guide hole
102 are located at 107 left and right sides of bearing block, are equipped with 7 type bars 103,7 type bar of the left and right sides, 103 inner end and sleeve 105 in guide hole 102
Outer left and right sides lower part connection, 2 top right side of transverse slat is equipped with first motor 101, under first motor 101 is located at screw rod 104 just
Side, in being vertically arranged, the output shaft of first motor 101 is connect by shaft coupling with 104 bottom end of screw rod first motor 101.
First beginning mechanism 11 includes pulling plate 111, fixed block 112, guide sleeve 113, guide rod 114, the first spring 115 and consolidates
Fixed board 116,9 bottom right of car are equipped with fixed block 112, and 5 right flank middle part of movable plate is equipped with guide sleeve 113, in guide sleeve 113
Equipped with guide rod 114,114 upper right of guide rod is contacted with fixed block 112, and it is fixed that 114 left upper portion of guide rod is equipped with fixed plate 116
Plate 116 is located at 8 top of the second button, and 114 bottom end of guide rod is equipped with pulling plate 111, between 111 top of pulling plate and 113 bottom of guide sleeve
It is connected with the first spring 115, the first 115 sets of spring is on guide rod 114.
Embodiment 4
A kind of physics teaching measurement average speed experimental provision includes as shown in figs. 1-7 mounting table 1, transverse slat 2, meter
When device 3, support 4, movable plate 5, riser 6, the first button 7, the second button 8, car 9, angle adjustment device 10 and first start
Mechanism 11 is equipped with transverse slat 2,1 right side of mounting table and 2 top of transverse slat between the left and right sides supporting leg medial surface lower part of mounting table 1
Angle adjustment device 10 is equipped between right side, 1 top left side of mounting table is equipped with support 4, and 4 top rotary type of support is equipped with
Movable plate 5,5 bottom of movable plate are contacted with angle adjustment device 10, and 5 top left side of movable plate is equipped with riser 6,6 right side of riser
Face top is equipped with the first button 7, and 5 top right side of movable plate is equipped with car 9,9 bottom right of car and 5 right side of movable plate it
Between be equipped with first and start mechanism 11,5 top right side of movable plate is equipped with the second button 8, the second button 8 and the first beginning mechanism 11
Cooperation, 1 top left side of mounting table, which is equipped with timer 3, timer 3 and the first button 7 and the second button 8, circuit connection.
Angle adjustment device 10 includes first motor 101,7 type bars 103, screw rod 104, sleeve 105,106 and of contact wheel
Bearing block 107,1 right side of mounting table is Embedded to be equipped with bearing block 107, and screw rod 104, screw rod 104 are equipped in bearing block 107
Top is equipped with sleeve 105, and internal screw thread is provided in sleeve 105, cooperates in sleeve 105 with screw rod 104, is equipped at the top of sleeve 105
Contact wheel 106, contact wheel 106 are contacted with 5 bottom right of movable plate, and 1 right side symmetrical expression of mounting table is provided with guide hole 102, guide hole
102 are located at 107 left and right sides of bearing block, are equipped with 7 type bars 103,7 type bar of the left and right sides, 103 inner end and sleeve 105 in guide hole 102
Outer left and right sides lower part connection, 2 top right side of transverse slat is equipped with first motor 101, under first motor 101 is located at screw rod 104 just
Side, in being vertically arranged, the output shaft of first motor 101 is connect by shaft coupling with 104 bottom end of screw rod first motor 101.
First beginning mechanism 11 includes pulling plate 111, fixed block 112, guide sleeve 113, guide rod 114, the first spring 115 and consolidates
Fixed board 116,9 bottom right of car are equipped with fixed block 112, and 5 right flank middle part of movable plate is equipped with guide sleeve 113, in guide sleeve 113
Equipped with guide rod 114,114 upper right of guide rod is contacted with fixed block 112, and it is fixed that 114 left upper portion of guide rod is equipped with fixed plate 116
Plate 116 is located at 8 top of the second button, and 114 bottom end of guide rod is equipped with pulling plate 111, between 111 top of pulling plate and 113 bottom of guide sleeve
It is connected with the first spring 115, the first 115 sets of spring is on guide rod 114.
It further include thering is braking to start mechanism 12, it includes L-type plate 121, bracket 122, the first hopper that braking, which starts mechanism 12,
123, cylinder 124, the second motor 125, turntable 126, storage bulb 129, baffle 1210 and third motor 1211,5 bottom of movable plate
Right side is equipped with L-type plate 121, and bottom right is equipped with bracket 122 in L-type plate 121, and 122 left upper portion of bracket is equipped with first
Hopper 123,122 left lower of bracket are equipped with cylinder 124, and 124 top center of cylinder is connect with the first hopper 123, cylinder 124
It is connected to in the first hopper 123, discharge port 128 is provided among 124 bottom of cylinder, trailing flank center location is installed in cylinder 124
There is the second motor 125, the first button 7 also has circuit connection with the second motor 125, and the output shaft of the second motor 125 passes through shaft coupling
Device is connected with turntable 126, and turntable 126 is located at 125 front side of the second motor, and 126 lateral surface of turntable is provided with groove 127, and pulling plate 111 is right
Side is equipped with storage bulb 129, and storage bulb 129 is located at immediately below discharge port 128, and 111 bottom right of pulling plate is equipped with third electricity
Machine 1211, for third motor 1211 in being vertically arranged, the output shaft of third motor 1211 is connected with baffle 1210 by shaft coupling, gear
Plate 1210 is located at 129 lower section of storage bulb and cooperates with it.
Further include having 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 bulb 138 out, bottom left is equipped with compression cylinder in L-type plate 121
132, compression cylinder 132 is interior to be equipped with piston 133, is slidably matched in piston 133 and compression cylinder 132, the installation of 132 top right side of compression cylinder
There is the second hopper 135, be connected in the second hopper 135 and compression cylinder 132, the second hopper 135 is located at 129 lower section of storage bulb, compression
132 right side central of cylinder is connected with out bulb 138, and 138 tail end of bulb is located at 123 upper right side of the first hopper out, out 138 top of bulb
Left side is connected with installing pipe 136, and block 134 is equipped in installing pipe 136, is connected between 134 top of block and 136 inner top of installing pipe
It is connected to second spring 137, left side lower part is equipped with cylinder 131 in L-type plate 121, and cylinder 131 is in be horizontally disposed with, cylinder 131
Telescopic rod passes through to be connect in the middle part of 132 left side central portion of compression cylinder and 133 left side of piston.
It further include having N-shaped bar 14,5 bottom right of movable plate is equipped with N-shaped bar 14, and contact wheel 106 is located at N-shaped bar 14 and its
Contact, contact wheel 106 and N-shaped bar 14 cooperate.
It further include having strut 15 and bevel protractor 16,1 top left side of mounting table is equipped with strut 15, and 15 top of strut is equipped with
Bevel protractor 16, bevel protractor 16 are located at 5 rear side of movable plate.
Working principle: when being imparted knowledge to students, operator can start angle adjustment device 10, and then angular adjustment
Device 10 drives 5 right part of movable plate to move up and down, and movable plate 5 is inclined to set, when movable plate 5 is moved to the angle of demand,
Can closing angle regulating device 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 movable plate 5, and when car 9 is moved to left end, car 9 is pressed with first
Button 7 contacts, and timer 3 is closed, and operator can be calculated by the time on timer 3 with 5 high scale of movable plate small
The speed of vehicle in this way, student can be made more intuitively to see time and distance, and calculates speed.After speed is calculated, behaviour
Make personnel and trolley can be returned in situ to block by the first beginning mechanism 11.
Because angle adjustment device 10 includes first motor 101,7 type bars 103, screw rod 104, sleeve 105, contact wheel
106 and bearing block 107,1 right side of mounting table is Embedded to be equipped with bearing block 107, and screw rod 104, spiral shell are equipped in bearing block 107
104 top of bar is equipped with sleeve 105, and internal screw thread is provided in sleeve 105, cooperates in sleeve 105 with screw rod 104, pacifies at the top of sleeve 105
Equipped with contact wheel 106, contact wheel 106 is contacted with 5 bottom right of movable plate, and 1 right side symmetrical expression of mounting table is provided with guide hole 102,
Guide hole 102 is located at 107 left and right sides of bearing block, is equipped with 7 type bars 103,7 type bar of the left and right sides, 103 inner end and sleeve in guide hole 102
105 outer left and right sides lower part connections, 2 top right side of transverse slat are equipped with first motor 101, and first motor 101 is being located at screw rod 104 just
Lower section, in being vertically arranged, the output shaft of first motor 101 is connect by shaft coupling with 104 bottom end of screw rod first motor 101, when
When starting teaching, operator can start the rotation of motor positive and negative alternate, and the rotation of motor positive and negative alternate drives 104 reciprocal cross of screw rod
For rotation, 104 positive and negative alternate of screw rod rotation band moving sleeve 105 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 is moved up and down to be rolled on movable plate 5, and then contact wheel 106 drives 5 right part of movable plate to move up and down,
When 5 right part of movable plate moves up and down the angle for making angle reach demand, motor can be closed, the experiment to speed is started.Such as
This, makes movable plate 5 tilt to different angles, can calculate different speed.
Because the first beginning mechanism 11 includes pulling plate 111, fixed block 112, guide sleeve 113, guide rod 114, the first spring 115
With fixed plate 116,9 bottom right of car is equipped with fixed block 112, and 5 right flank middle part of movable plate is equipped with guide sleeve 113, guide sleeve
Guide rod 114 is equipped in 113,114 upper right of guide rod is contacted with fixed block 112, and 114 left upper portion of guide rod is equipped with fixed plate
116 fixed plates 116 are located at 8 top of the second button, and 114 bottom end of guide rod is equipped with pulling plate 111,111 top of pulling plate and 113 bottom of guide sleeve
The first spring 115 is connected between portion, the first 115 sets of spring is on guide rod 114, when movable plate 5 is moved to the angle of demand,
Operator can press pulling plate 111 and move down, and pulling plate 111, which moves down, drives guide rod 114 to move down, the first spring
115 stretch, and guide rod 114, which moves down, drives fixed plate 116 to move down, and fixed plate 116 is moved down to be connect with the second button 8
Touching, timer 3 start timing, meanwhile, guide rod 114 is not contacted with fixed block 112, and trolley is moved to the left on movable plate 5
Experiment to speed.When trolley starts mobile, pulling plate 111 can be unclamped, because of the effect of the first spring 115, guide rod 114 is upward
It is mobile that pulling plate 111 is driven to move up recovery to original position.After the completion of experiment, operator can restore trolley to original position.
Because further including having braking to start mechanism 12, it includes L-type plate 121, bracket 122, first that braking, which starts mechanism 12,
Hopper 123, cylinder 124, the second motor 125, turntable 126, storage bulb 129, baffle 1210 and third motor 1211, movable plate 5
Bottom right is equipped with L-type plate 121, and bottom right is equipped with bracket 122 in L-type plate 121, and 122 left upper portion of bracket is equipped with
First hopper 123,122 left lower of bracket are equipped with cylinder 124, and 124 top center of cylinder is connect with the first hopper 123, cylinder
It is connected in body 124 and the first hopper 123, discharge port 128 is provided among 124 bottom of cylinder, trailing flank center location in cylinder 124
Second motor 125 is installed, the first button 7 also has circuit connection with the second motor 125, and the output shaft of the second motor 125 passes through
Shaft coupling is connected with turntable 126, and turntable 126 is located at 125 front side of the second motor, and 126 lateral surface of turntable is provided with groove 127, pulling plate
111 right sides are equipped with storage bulb 129, and storage bulb 129 is located at the underface of discharge port 128, and 111 bottom right of pulling plate is equipped with the
Three motors 1211, for third motor 1211 in being vertically arranged, the output shaft of third motor 1211 is connected with baffle by shaft coupling
1210, baffle 1210 is located at 129 lower section of storage bulb and cooperates with it, is operated first personnel and pours into sphere in the first hopper 123, when
When needing to start experiment, the rotation of the second motor 125 can be started, the rotation of the second motor 125 drives turntable 126 to rotate, and then works as
When groove 127 is turned to below the discharge end of the first hopper 123, one of sphere is fallen in groove 127, and then turntable
126 rotations drive sphere rotation by groove 127, and when sphere turns to lower section, sphere falls to storage ball by discharge port 128
In pipe 129, and then sphere is fallen on baffle 1210, and sphere drives baffle 1210 to move down, and baffle 1210 moves down logical
Crossing third motor 1211 drives pulling plate 111 to move down, and then so that trolley is started mobile and timer 3 and start timing.Work as trolley
When encountering the first button 7, third motor 1211 is activated, and then the rotation of third motor 1211 drives baffle 1210 to rotate, baffle
1210 rotations are not blocked sphere, and then sphere is fallen out out of storage bulb 129, and the sphere that operator can will fall off is put back to
To the first hopper 123.It is moved down in this way, pressing pulling plate 111 without operator, it is time saving and energy saving.
Because further including having conveying device 13, conveying device 13 includes cylinder 131, compression cylinder 132, piston 133, block
134, the second hopper 135, installing pipe 136, second spring 137 and bulb 138 out, bottom left is equipped with compression in L-type plate 121
Cylinder 132, compression cylinder 132 is interior to be equipped with piston 133, is slidably matched in piston 133 and compression cylinder 132,132 top right side of compression cylinder peace
It equipped with the second hopper 135, is connected in the second hopper 135 and compression cylinder 132, the second hopper 135 is located at 129 lower section of storage bulb, pressure
132 right side central of contracting cylinder is connected with out bulb 138, and 138 tail end of bulb is located at 123 upper right side of the first hopper out, and bulb 138 pushes up out
It is connected with installing pipe 136 on the left of portion, block 134 is equipped in installing pipe 136, between 134 top of block and 136 inner top of installing pipe
It is connected with second spring 137, left side lower part is equipped with cylinder 131 in L-type plate 121, and cylinder 131 is in horizontally disposed, cylinder 131
Telescopic rod pass through and connect in the middle part of 132 left side central portion of compression cylinder and 133 left side of piston, when the sphere stored up in bulb 129 is fallen
When, sphere is fallen in the second hopper 135, and then is fallen in compression cylinder 132, and operator can start cylinder 131, cylinder
131 telescopic rod telescopic band piston 133 moves left and right, and piston 133, which is moved left and right, is pushed into out ball for the sphere in compression cylinder 132
In pipe 138, sphere is located in storage bulb 129 by fixed block 112, and fixed block 112 blocks sphere, closes cylinder 131, with
Continuous experiment, sphere is constantly pushed into out in bulb 138, and then the sphere in bulb 138 is pushed into the first hopper out
In 123.In this way, sphere collection is returned in the first hopper 123 without operator, it is convenient and efficient.
Because further including having N-shaped bar 14,5 bottom right of movable plate is equipped with N-shaped bar 14, and contact wheel 106 is located at N-shaped bar 14
It being in contact with it, contact wheel 106 and N-shaped bar 14 cooperate, when contact wheel 106 drives 5 right part of movable plate to move up and down, N-shaped bar 14
It play the guiding role, and then contact wheel 106 is made more stably to drive movable plate 5 mobile.
Because further including having strut 15 and bevel protractor 16,1 top left side of mounting table is equipped with strut 15,15 top of strut peace
Equipped with bevel protractor 16, bevel protractor 16 is located at 5 rear side of movable plate, and when movable plate 5 moves up and down, operator can pass through angle
Ruler 16 knows movable plate 5 is moved up and down to how many degree.In this way, the angle that movable plate 5 can be made mobile is more accurate.
The preferred embodiment of the present invention above described embodiment only expresses, the description thereof is more specific and detailed, but simultaneously
Limitations on the scope of the patent of the present invention therefore cannot be interpreted as.It should be pointed out that for those of ordinary skill in the art
For, without departing from the inventive concept of the premise, several deformations can also be made, improves and substitutes, these belong to this hair
Bright protection scope.Therefore, the scope of protection of the patent of the invention shall be subject to the appended claims.