CN108376499A - A kind of physics teaching level throw motion demonstration equipment - Google Patents
A kind of physics teaching level throw motion demonstration equipment Download PDFInfo
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- CN108376499A CN108376499A CN201810506912.4A CN201810506912A CN108376499A CN 108376499 A CN108376499 A CN 108376499A CN 201810506912 A CN201810506912 A CN 201810506912A CN 108376499 A CN108376499 A CN 108376499A
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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 demonstration equipment more particularly to a kind of physics teaching level throw motion demonstration equipments.Technical problem：A kind of process that student can be made to be visually observed that level throw motion is provided, the physics teaching level throw motion demonstration equipment of teaching efficiency is improved.Technical solution is as follows：A kind of physics teaching level throw motion demonstration equipment includes pedestal, mounting plate, bearing block, lead screw, nut, servo motor, the first guide rail, the first guide sleeve, placement plate, the first sliding rail, first sliding block etc.；Left part is equipped with mounting plate on the upside of pedestal, and mounting plate right side is equipped with bearing block for two up and down, lead screw is connected between the bearing block of upper and lower both sides.The present invention can make student be visually observed that the process of level throw motion, improve teaching efficiency.Physical Education Teacher can constantly change the height of placement plate, and bead is made to be thrown off from different height, and the level throw motion distance of fall of bead under observation of students to different height is allowed to make teaching efficiency more preferably to deepen understanding of the student to knowledge point.
Description
Technical field
The present invention relates to a kind of demonstration equipment more particularly to a kind of physics teaching level throw motion demonstration equipments.
Background technology
《Physics teaching》It is the secondary education class for sponsoring, being mainly directed towards physical teachers in middle school for 1978 by Chinese Physical Society
Academic journal.It is to run a periodical to pass on physics culture, communication education theory and physics teaching practice, mix together physics teaching experience
Target improves physics teaching in secondary school quality as objective to serve to greatest extent.
Many of present physics teaching knowledge point is imparted knowledge to students only according to the oral explanation of teacher, wherein including just flat
The related knowledge point of movement is thrown, Physical Education Teacher throws distance only according to the knowledge point of writing on the blackboard or oral account in relation to level throw motion and influence are flat
Factor when, student can not be made intuitively to understand the knowledge point, cause teaching efficiency poor.
Therefore there is an urgent need for researching and developing a kind of process that student can be made intuitively to observe level throw motion, the object of teaching efficiency is improved
Manage teaching level throw motion demonstration equipment.
Invention content
Only keep student saturating with oral account or writing on the blackboard when in order to overcome present physics teaching to explain level throw motion knowledge point
Thorough the shortcomings that understanding the knowledge point, technical problem：A kind of process that student can be made to be visually observed that level throw motion is provided, is carried
The physics teaching of high teaching efficiency level throw motion demonstration equipment.
Technical solution is as follows：A kind of physics teaching level throw motion demonstration equipment, include pedestal, mounting plate, bearing block,
Lead screw, servo motor, the first guide rail, the first guide sleeve, placement plate, the first sliding rail, the first sliding block, spring, connecting rod, pushes away nut
Bar, the first in command, sponge plate, fixed block and movable plate, left part is equipped with mounting plate on the upside of pedestal, and two up and down on the right side of mounting plate
Equipped with bearing block, lead screw is connected between the bearing block of upper and lower both sides, the mode being connected through a screw thread in the middle part of lead screw is connected with spiral shell
Mother, nut coordinate with lead screw, and movable plate is equipped on the right side of nut, and left part is equipped with servo motor on the upside of pedestal, and servo motor is located at peace
On the right side of loading board, screw lower end and the output axis connection on the upside of servo motor, middle side part is equipped with the first guide rail, the first guide rail on pedestal
Upper slidingtype is connected with the first guide sleeve, is connect with right part on rear side of movable plate on front side of the first guide sleeve, below movable plate leading flank right part
Equipped with placement plate, it is equipped with the first sliding rail among movable plate leading flank left part, slidingtype is connected with the first sliding block on the first sliding rail, the
One sliding rail left end is equipped with fixed block, is fixed on movable plate on rear side of fixed block, connects between the first sliding block left side on the right side of fixed block
It is connected to spring, connecting rod is connected on the downside of the first sliding block, right part is connected with push rod on the downside of connecting rod, and push rod is located in placement plate
Side, push rod front side right part are equipped with the first in command, and right part is equipped with sponge plate on the upside of pedestal.
Further include having bull stick, the first graduated scale, fixed link and steel wire rope, on pedestal as further preferred embodiment
Side left part rotary type is connected with bull stick, and bull stick is connected with the first scale between servo motor and the first guide rail on the upside of bull stick
Ruler, the first graduated scale are located on rear side of movable plate, and the first graduated scale right end is connected with fixed link, steel wire rope, steel are wound in fixed link
The end of cord is connected on the upside of pedestal.
Further include having placing tube, the first idler wheel, decelerating motor, sector gear, tooth as further preferred embodiment
Item, baffle and the second idler wheel, movable plate leading flank right part top are equipped with placing tube, and placing tube inner homogeneous is equipped with the first idler wheel,
It is equipped with decelerating motor above movable plate leading flank left part, is connected with sector gear on the output shaft of decelerating motor, on the first sliding block
Side is connected with rack, and rack is located on the downside of sector gear, and rack is engaged with sector gear, and connecting rod right end is connected with baffle, gear
It is contacted with placing tube bottom on the upside of plate, the second idler wheel is equipped on the right side of baffle.
Further include having the second sliding rail, the second sliding block, mobile bar, measuring rod, the second quarter as further preferred embodiment
Ruler and second handle are spent, right part is equipped with the second sliding rail on front side of pedestal, and slidingtype is connected with the second sliding block on the second sliding rail, and second slides
Mobile bar is connected on front side of block, mobile bar upper back is connected with measuring rod, and middle part is equipped with second handle, pedestal on front side of measuring rod
Front side right part is equipped with the second graduated scale, and the second graduated scale is located on the upside of the second sliding rail.
Further include having support plate, mounting base and LED light, movable plate right upper portion is equipped with as further preferred embodiment
Support plate, support plate downside are uniformly provided with multiple mounting bases, LED light are mounted in mounting base, LED light is located at sponge plate and the second quarter
It spends above ruler.
When Physical Education Teacher uses the equipment demonstration level throw motion, first has to the equipment to be moved on dais, need to be turned up
When the position of movable plate, servo motor can be opened, control servomotor drives lead screw to rotate clockwise, and nut is transported upwards therewith
It is dynamic, and movable plate is driven gradually to move upwards, when movable plate moves to suitable height, close servo motor.It needs to turn down
When the position of movable plate, lead screw can be driven to rotate counterclockwise with control servomotor, nut moves downward therewith, and drives movement
Plate moves gradually downward.Behind the position for adjusting movable plate, push rod is moved to the left by the first in command first, push rod passes through company again
Extension bar drives the first sliding block to slide to the left, and spring is gradually compressed, then the bead to be demonstrated is placed on the upside of placement plate, when
First sliding block can unclamp hand when sliding into the position of the leftmost side, and spring resets immediately, and under the effect of spring force, first slides
Block and push rod can be moved right rapidly, and push rod can rapidly release the bead on the upside of placement plate, and bead does level throw motion
After drop down onto on sponge plate, sponge plate can play cushioning effect, and bead is avoided to be bound to other places.Physical Education Teacher, which can constantly change, puts
The height for setting plate makes bead be thrown off from different height, and the level throw motion of bead under observation of students to different height is allowed to fall
Distance, to deepen understanding of the student to knowledge point.It operates repeatedly, student can be allowed to be more fully understood by rule of horizontal projectile movement.
The equipment is put back to in-stiu encapsulation after the completion of demonstration.
Because further including having bull stick, the first graduated scale, fixed link and steel wire rope, on the upside of pedestal, left part rotary type, which is connected with, turns
Bar, bull stick are connected with the first graduated scale between servo motor and the first guide rail on the upside of bull stick, the first graduated scale is located at movement
On rear side of plate, the first graduated scale right end is connected with fixed link, steel wire rope is wound in fixed link, and the end of steel wire rope is connected on pedestal
Side so Physical Education Teacher can take off steel wire rope from fixed link, then rotates counterclockwise bull stick and the first graduated scale, makes its position
In vertical direction, the first graduated scale and movable plate rear contact, such Physical Education Teacher can be according to the first graduated scales come accurate
Ground adjusts the height of movable plate, also allows for the throwing elevation of record bead.Bull stick and the first quarter are rotated clockwise after the completion of demonstration
Ruler is spent, makes bull stick and base contacts, then steel wire rope is wound in fixed link.
Because further including having placing tube, the first idler wheel, decelerating motor, sector gear, rack, baffle and the second idler wheel, move
Placing tube is equipped with above movable plate leading flank right part, placing tube inner homogeneous is equipped with the first idler wheel, movable plate leading flank left part top
Equipped with decelerating motor, it is connected with sector gear on the output shaft of decelerating motor, is connected with rack on the upside of the first sliding block, rack is located at
On the downside of sector gear, rack is engaged with sector gear, and connecting rod right end is connected with baffle, is connect with placing tube bottom on the upside of baffle
It touches, the second idler wheel is equipped on the right side of baffle.So Physical Education Teacher can be put into a large amount of bead in placing tube in advance, it is then turned on and subtracts
Speed motor, control decelerating motor drive sector gear to rotate clockwise, and rack moves downward therewith, and rack passes through the first sliding block again
Connecting rod is driven to move downward, spring is gradually compressed, and baffle moves downward therewith, and the bead in placing tube moves downward, directly
Bead to lower side is fallen in placement plate, and when sector gear is not engaged with rack, spring restores former long immediately, in spring bullet
Under the action of power, the relevant devices such as the first sliding block and push rod also move right, baffle move right first block in placing tube from
Under supreme second bead, will not thus bead be made to drop out always, and push rod releases the bead fallen in placement plate,
Then control decelerating motor is stopped.A large amount of bead is housed in placing tube, bead is repeatedly just placed on placement without human hand
On plate.It drives sector gear to make the continuous side-to-side movement of push rod by decelerating motor, is just not necessarily to human hand mobile putter, can prevent artificial
The dynamics of application is uneven and influences demonstration result.
Because further including having the second sliding rail, the second sliding block, mobile bar, measuring rod, the second graduated scale and second handle, pedestal
Front side right part is equipped with the second sliding rail, and slidingtype is connected with the second sliding block on the second sliding rail, and mobile bar is connected on front side of the second sliding block,
Mobile bar upper back is connected with measuring rod, and middle part is equipped with second handle on front side of measuring rod, and right part was equipped with for the second quarter on front side of pedestal
Ruler is spent, the second graduated scale is located on the upside of the second sliding rail, so Physical Education Teacher can pass through second after bead is fallen on sponge plate
Handle moves right measuring rod and mobile bar, makes the right side of measuring rod and the left contact of bead, further according to mobile bar and second
Graduated scale contact numerical value come judge bead movement horizontal distance.It thus can accurately observe the level of bead movement
Distance keeps demonstration result more accurate.
Because further including having support plate, mounting base and LED light, movable plate right upper portion is equipped with support plate, is uniformly set on the downside of support plate
There are multiple mounting bases, LED light is mounted in mounting base, LED light is located above sponge plate and the second graduated scale, so physics is taught
Teacher can highlight in the front opening LED light of demonstration, LED light, see the numerical value on the second graduated scale clearly convenient for student.It drills
LED light is closed after the completion of showing.
The present invention can make student be visually observed that the process of level throw motion, improve teaching efficiency.Physical Education Teacher can be with
The height for constantly changing placement plate, makes bead be thrown off from different height, allows the flat of bead under observation of students to different height
Throw movement distance of fall makes teaching efficiency more preferably to deepen understanding of the student to knowledge point.Physical Education Teacher can be in demonstration
Front opening LED light, LED light can highlight, and see the numerical value on the second graduated scale clearly convenient for student, to improve demonstration result
Accuracy.
Description of the drawings
Fig. 1 is the first main structure diagram of the present invention.
Fig. 2 is second of main structure diagram of the present invention.
Fig. 3 is the third main structure diagram of the present invention.
Fig. 4 is the 4th kind of main structure diagram of the present invention.
Fig. 5 is the 5th kind of main structure diagram of the present invention.
In the figures above：1 ... pedestal, 2 ... mounting plates, 3 ... bearing blocks, 4 ... lead screws, 5 ... nuts, 6 ... servo motors,
7 ... first guide rails, 8 ... first guide sleeves, 9 ... placement plates, 10 ... first sliding rails, 11 ... first sliding blocks, 12 ... springs, 13 ... connections
Bar, 14 ... push rods, 15 ... the first in command, 151 ... sponge plates, 152 ... fixed blocks, 153 ... movable plates, 16 ... bull sticks, 17 ...
One graduated scale, 18 ... fixed links, 19 ... steel wire ropes, 20 ... placing tubes, 21 ... first idler wheels, 22 ... decelerating motors, 23 ... is fan-shaped
Gear, 24 ... racks, 25 ... baffles, 26 ... second idler wheels, 27 ... second sliding rails, 271 ... second sliding blocks, 28 ... mobile bars,
29 ... measuring rods, 30 ... second graduated scales, 31 ... second handles, 32 ... support plates, 33 ... mounting bases, 34 ... LED light.
Specific implementation mode
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
All other embodiment that technical staff is obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
A kind of physics teaching level throw motion demonstration equipment includes as shown in Figs. 1-5 pedestal 1, mounting plate 2, bearing block 3, silk
Bar 4, nut 5, servo motor 6, the first guide rail 7, the first guide sleeve 8, placement plate 9, the first sliding rail 10, the first sliding block 11, spring 12,
Connecting rod 13, push rod 14, the first in command 15, sponge plate 151, fixed block 152 and movable plate 153,1 upside left part of pedestal are equipped with peace
Loading board 2,2 right side of mounting plate are equipped with bearing block 3 for two up and down, lead screw 4, lead screw 4 are connected between the bearing block 3 of upper and lower both sides
The mode that middle part is connected through a screw thread is connected with nut 5, and nut 5 coordinates with lead screw 4, and 5 right side of nut is equipped with movable plate 153, bottom
1 upside left part of seat is equipped with servo motor 6, and servo motor 6 is located at 2 right side of mounting plate, 4 lower end of lead screw and 6 upside of servo motor
Axis connection is exported, middle side part is equipped with the first guide rail 7 on pedestal 1, and slidingtype is connected with the first guide sleeve 8 on the first guide rail 7, and first leads
8 front side of set connect with 153 rear side right part of movable plate, and 153 leading flank right part lower section of movable plate is equipped with placement plate 9, before movable plate 153
The first sliding rail 10 is equipped among the left part of side, slidingtype is connected with the first sliding block 11,10 left end of the first sliding rail on the first sliding rail 10
Equipped with fixed block 152,152 rear side of fixed block is fixed on movable plate 153,152 right side of fixed block and 11 left side of the first sliding block
Between be connected with spring 12,11 downside of the first sliding block is connected with connecting rod 13, and 13 downside right part of connecting rod is connected with push rod 14, push rod
14 are located at 9 top of placement plate, and 14 front side right part of push rod is equipped with the first in command 15, and 1 upside right part of pedestal is equipped with sponge plate 151.
Embodiment 2
A kind of physics teaching level throw motion demonstration equipment includes as shown in Figs. 1-5 pedestal 1, mounting plate 2, bearing block 3, silk
Bar 4, nut 5, servo motor 6, the first guide rail 7, the first guide sleeve 8, placement plate 9, the first sliding rail 10, the first sliding block 11, spring 12,
Connecting rod 13, push rod 14, the first in command 15, sponge plate 151, fixed block 152 and movable plate 153,1 upside left part of pedestal are equipped with peace
Loading board 2,2 right side of mounting plate are equipped with bearing block 3 for two up and down, lead screw 4, lead screw 4 are connected between the bearing block 3 of upper and lower both sides
The mode that middle part is connected through a screw thread is connected with nut 5, and nut 5 coordinates with lead screw 4, and 5 right side of nut is equipped with movable plate 153, bottom
1 upside left part of seat is equipped with servo motor 6, and servo motor 6 is located at 2 right side of mounting plate, 4 lower end of lead screw and 6 upside of servo motor
Axis connection is exported, middle side part is equipped with the first guide rail 7 on pedestal 1, and slidingtype is connected with the first guide sleeve 8 on the first guide rail 7, and first leads
8 front side of set connect with 153 rear side right part of movable plate, and 153 leading flank right part lower section of movable plate is equipped with placement plate 9, before movable plate 153
The first sliding rail 10 is equipped among the left part of side, slidingtype is connected with the first sliding block 11,10 left end of the first sliding rail on the first sliding rail 10
Equipped with fixed block 152,152 rear side of fixed block is fixed on movable plate 153,152 right side of fixed block and 11 left side of the first sliding block
Between be connected with spring 12,11 downside of the first sliding block is connected with connecting rod 13, and 13 downside right part of connecting rod is connected with push rod 14, push rod
14 are located at 9 top of placement plate, and 14 front side right part of push rod is equipped with the first in command 15, and 1 upside right part of pedestal is equipped with sponge plate 151.
Further include having bull stick 16, the first graduated scale 17, fixed link 18 and steel wire rope 19,1 upside left part rotary type of pedestal connects
It is connected to bull stick 16, bull stick 16 is located between servo motor 6 and the first guide rail 7, and 16 upside of bull stick is connected with the first graduated scale 17, the
One graduated scale 17 is located at 153 rear side of movable plate, and 17 right end of the first graduated scale is connected with fixed link 18, steel wire is wound in fixed link 18
The end of rope 19, steel wire rope 19 is connected to 1 upside of pedestal.
Embodiment 3
A kind of physics teaching level throw motion demonstration equipment includes as shown in Figs. 1-5 pedestal 1, mounting plate 2, bearing block 3, silk
Bar 4, nut 5, servo motor 6, the first guide rail 7, the first guide sleeve 8, placement plate 9, the first sliding rail 10, the first sliding block 11, spring 12,
Connecting rod 13, push rod 14, the first in command 15, sponge plate 151, fixed block 152 and movable plate 153,1 upside left part of pedestal are equipped with peace
Loading board 2,2 right side of mounting plate are equipped with bearing block 3 for two up and down, lead screw 4, lead screw 4 are connected between the bearing block 3 of upper and lower both sides
The mode that middle part is connected through a screw thread is connected with nut 5, and nut 5 coordinates with lead screw 4, and 5 right side of nut is equipped with movable plate 153, bottom
1 upside left part of seat is equipped with servo motor 6, and servo motor 6 is located at 2 right side of mounting plate, 4 lower end of lead screw and 6 upside of servo motor
Axis connection is exported, middle side part is equipped with the first guide rail 7 on pedestal 1, and slidingtype is connected with the first guide sleeve 8 on the first guide rail 7, and first leads
8 front side of set connect with 153 rear side right part of movable plate, and 153 leading flank right part lower section of movable plate is equipped with placement plate 9, before movable plate 153
The first sliding rail 10 is equipped among the left part of side, slidingtype is connected with the first sliding block 11,10 left end of the first sliding rail on the first sliding rail 10
Equipped with fixed block 152,152 rear side of fixed block is fixed on movable plate 153,152 right side of fixed block and 11 left side of the first sliding block
Between be connected with spring 12,11 downside of the first sliding block is connected with connecting rod 13, and 13 downside right part of connecting rod is connected with push rod 14, push rod
14 are located at 9 top of placement plate, and 14 front side right part of push rod is equipped with the first in command 15, and 1 upside right part of pedestal is equipped with sponge plate 151.
Further include having bull stick 16, the first graduated scale 17, fixed link 18 and steel wire rope 19,1 upside left part rotary type of pedestal connects
It is connected to bull stick 16, bull stick 16 is located between servo motor 6 and the first guide rail 7, and 16 upside of bull stick is connected with the first graduated scale 17, the
One graduated scale 17 is located at 153 rear side of movable plate, and 17 right end of the first graduated scale is connected with fixed link 18, steel wire is wound in fixed link 18
The end of rope 19, steel wire rope 19 is connected to 1 upside of pedestal.
Further include having placing tube 20, the first idler wheel 21, decelerating motor 22, sector gear 23, rack 24, baffle 25 and second
Idler wheel 26,153 leading flank right part top of movable plate are equipped with placing tube 20, and 20 inner homogeneous of placing tube is equipped with the first idler wheel 21, moves
It is equipped with decelerating motor 22 above 153 leading flank left part of movable plate, is connected with sector gear 23 on the output shaft of decelerating motor 22, first
11 upside of sliding block is connected with rack 24, and rack 24 is located at 23 downside of sector gear, and rack 24 is engaged with sector gear 23, connecting rod
13 right ends are connected with baffle 25, and 25 upside of baffle is contacted with 20 bottom of placing tube, and 25 right side of baffle is equipped with the second idler wheel 26.
Embodiment 4
A kind of physics teaching level throw motion demonstration equipment includes as shown in Figs. 1-5 pedestal 1, mounting plate 2, bearing block 3, silk
Bar 4, nut 5, servo motor 6, the first guide rail 7, the first guide sleeve 8, placement plate 9, the first sliding rail 10, the first sliding block 11, spring 12,
Connecting rod 13, push rod 14, the first in command 15, sponge plate 151, fixed block 152 and movable plate 153,1 upside left part of pedestal are equipped with peace
Loading board 2,2 right side of mounting plate are equipped with bearing block 3 for two up and down, lead screw 4, lead screw 4 are connected between the bearing block 3 of upper and lower both sides
The mode that middle part is connected through a screw thread is connected with nut 5, and nut 5 coordinates with lead screw 4, and 5 right side of nut is equipped with movable plate 153, bottom
1 upside left part of seat is equipped with servo motor 6, and servo motor 6 is located at 2 right side of mounting plate, 4 lower end of lead screw and 6 upside of servo motor
Axis connection is exported, middle side part is equipped with the first guide rail 7 on pedestal 1, and slidingtype is connected with the first guide sleeve 8 on the first guide rail 7, and first leads
8 front side of set connect with 153 rear side right part of movable plate, and 153 leading flank right part lower section of movable plate is equipped with placement plate 9, before movable plate 153
The first sliding rail 10 is equipped among the left part of side, slidingtype is connected with the first sliding block 11,10 left end of the first sliding rail on the first sliding rail 10
Equipped with fixed block 152,152 rear side of fixed block is fixed on movable plate 153,152 right side of fixed block and 11 left side of the first sliding block
Between be connected with spring 12,11 downside of the first sliding block is connected with connecting rod 13, and 13 downside right part of connecting rod is connected with push rod 14, push rod
14 are located at 9 top of placement plate, and 14 front side right part of push rod is equipped with the first in command 15, and 1 upside right part of pedestal is equipped with sponge plate 151.
Further include having bull stick 16, the first graduated scale 17, fixed link 18 and steel wire rope 19,1 upside left part rotary type of pedestal connects
It is connected to bull stick 16, bull stick 16 is located between servo motor 6 and the first guide rail 7, and 16 upside of bull stick is connected with the first graduated scale 17, the
One graduated scale 17 is located at 153 rear side of movable plate, and 17 right end of the first graduated scale is connected with fixed link 18, steel wire is wound in fixed link 18
The end of rope 19, steel wire rope 19 is connected to 1 upside of pedestal.
Further include having placing tube 20, the first idler wheel 21, decelerating motor 22, sector gear 23, rack 24, baffle 25 and second
Idler wheel 26,153 leading flank right part top of movable plate are equipped with placing tube 20, and 20 inner homogeneous of placing tube is equipped with the first idler wheel 21, moves
It is equipped with decelerating motor 22 above 153 leading flank left part of movable plate, is connected with sector gear 23 on the output shaft of decelerating motor 22, first
11 upside of sliding block is connected with rack 24, and rack 24 is located at 23 downside of sector gear, and rack 24 is engaged with sector gear 23, connecting rod
13 right ends are connected with baffle 25, and 25 upside of baffle is contacted with 20 bottom of placing tube, and 25 right side of baffle is equipped with the second idler wheel 26.
Further include having the second sliding rail 27, the second sliding block 271, mobile bar 28, measuring rod 29, the second graduated scale 30 and second
Hand 31,1 front side right part of pedestal are equipped with the second sliding rail 27, and slidingtype is connected with the second sliding block 271, the second sliding block on the second sliding rail 27
271 front sides are connected with mobile bar 28, and 28 upper back of mobile bar is connected with measuring rod 29, and 29 front side middle part of measuring rod is equipped with second
Handle 31,1 front side right part of pedestal are equipped with the second graduated scale 30, and the second graduated scale 30 is located at 27 upside of the second sliding rail.
Further include having support plate 32, mounting base 33 and LED light 34,153 right upper portion of movable plate is equipped with support plate 32, under support plate 32
Side is uniformly provided with multiple mounting bases 33, and LED light 34 is mounted in mounting base 33, and LED light 34 is located at sponge plate 151 and the second quarter
Spend 30 top of ruler.
When Physical Education Teacher uses the equipment demonstration level throw motion, first has to the equipment to be moved on dais, need to be turned up
When the position of movable plate 153, servo motor 6 can be opened, control servomotor 6 drives lead screw 4 to rotate clockwise, nut 5 with
Move upwards, and movable plate 153 is driven gradually to move upwards, when movable plate 153 moves to suitable height, closes servo
Motor 6.When needing to turn down the position of movable plate 153, can with control servomotor 6 drive lead screw 4 rotate counterclockwise, nut 5 with
Move downward, and movable plate 153 is driven to move gradually downward.Behind the position for adjusting movable plate 153, pass through the first first
Hand 15 is moved to the left push rod 14, and push rod 14 drives the first sliding block 11 to slide to the left by connecting rod 13 again, and spring 12 is gradually pressed
Contracting, then the bead to be demonstrated is placed on 9 upside of placement plate, it can pine when the first sliding block 11 slides into the position of the leftmost side
Hand is opened, spring 12 resets immediately, and under the action of 12 elastic force of spring, the first sliding block 11 and push rod 14 can be transported rapidly to the right
Dynamic, push rod 14 can rapidly release the bead of 9 upside of placement plate, and bead drops down onto after doing level throw motion on sponge plate 151, sponge
Plate 151 can play cushioning effect, and bead is avoided to be bound to other places.Physical Education Teacher can constantly change the height of placement plate 9, make small
Ball is thrown off from different height, allows the level throw motion distance of fall of bead under observation of students to different height, to deepen to learn
The raw understanding to knowledge point.It operates repeatedly, student can be allowed to be more fully understood by rule of horizontal projectile movement.This is set after the completion of demonstration
It is standby to put back to in-stiu encapsulation.
Because further including having bull stick 16, the first graduated scale 17, fixed link 18 and steel wire rope 19,1 upside left part rotation of pedestal
Formula is connected with bull stick 16, and bull stick 16 is located between servo motor 6 and the first guide rail 7, and 16 upside of bull stick is connected with the first graduated scale
17, the first graduated scale 17 is located at the rear side of movable plate 153, and 17 right end of the first graduated scale is connected with fixed link 18, in fixed link 18 around
There is a steel wire rope 19, the end of steel wire rope 19 is connected to 1 upside of pedestal, so Physical Education Teacher can be steel wire rope 19 from fixed link 18
On take off, then rotate counterclockwise bull stick 16 and the first graduated scale 17, be located at vertical direction, the first graduated scale 17 and movable plate
153 rear contacts, such Physical Education Teacher can accurately adjust the height of movable plate 153 according to the first graduated scale 17,
Convenient for recording the throwing elevation of bead.Bull stick 16 and the first graduated scale 17 are rotated clockwise after the completion of demonstration, makes bull stick 16 and bottom
Seat 1 contacts, then steel wire rope 19 is wound in fixed link 18.
Because further including having placing tube 20, the first idler wheel 21, decelerating motor 22, sector gear 23, rack 24,25 and of baffle
Second idler wheel 26,153 leading flank right part top of movable plate are equipped with placing tube 20, and 20 inner homogeneous of placing tube is equipped with the first idler wheel
21,153 leading flank left part top of movable plate is equipped with decelerating motor 22, and sector gear is connected on the output shaft of decelerating motor 22
23,11 upside of the first sliding block is connected with rack 24, and rack 24 is located at 23 downside of sector gear, and rack 24 is nibbled with sector gear 23
It closes, 13 right end of connecting rod is connected with baffle 25, and 25 upside of baffle is contacted with 20 bottom of placing tube, and 25 right side of baffle is equipped with the second rolling
Wheel 26.So Physical Education Teacher can be put into a large amount of bead in placing tube 20 in advance, it is then turned on decelerating motor 22, control is slowed down
Motor 22 drives sector gear 23 to rotate clockwise, and rack 24 moves downward therewith, and rack 24 is driven by the first sliding block 11 again
Connecting rod 13 moves downward, and spring 12 is gradually compressed, and baffle 25 moves downward therewith, and the bead in placing tube 20 is transported downwards
Dynamic, until the bead of lower side is fallen in placement plate 9, when sector gear 23 is not engaged with rack 24, spring 12 restores immediately
Original is long, and under the action of 12 elastic force of spring, the relevant devices such as the first sliding block 11 and push rod 14 also move right, baffle 25 first to
Second bead in placing tube 20 from bottom to up is blocked in right movement, will not thus bead be made to drop out always, and push rod 14
The bead fallen in placement plate 9 is released, decelerating motor 22 is then controlled and is stopped.Equipped with a large amount of small in placing tube 20
Ball is just repeatedly placed on bead in placement plate 9 without human hand.Sector gear 23 is driven by decelerating motor 22 to keep push rod 14 continuous
Side-to-side movement is just not necessarily to human hand mobile putter 14, and the dynamics manually applied can be prevented uneven and influence demonstration result.
Because further including having the second sliding rail 27, the second sliding block 271, mobile bar 28, measuring rod 29, the second graduated scale 30 and
Second chief 31, and 1 front side right part of pedestal is equipped with the second sliding rail 27, and slidingtype is connected with the second sliding block 271 on the second sliding rail 27, and second
271 front side of sliding block is connected with mobile bar 28, and 28 upper back of mobile bar is connected with measuring rod 29, and 29 front side middle part of measuring rod is equipped with
Second handle 31,1 front side right part of pedestal are equipped with the second graduated scale 30, and the second graduated scale 30 is located at 27 upside of the second sliding rail, so
Physical Education Teacher can be moved right measuring rod 29 and mobile bar 28 after bead is fallen on sponge plate 151 by second handle 31,
Make the right side of measuring rod 29 and the left contact of bead, the numerical value that is contacted with the second graduated scale 30 further according to mobile bar 28 judges
The horizontal distance of bead movement.The horizontal distance that thus can accurately observe bead movement, keeps demonstration result more accurate
Really.
Because further including having support plate 32, mounting base 33 and LED light 34,153 right upper portion of movable plate is equipped with support plate 32, support plate
32 downsides are uniformly provided with multiple mounting bases 33, are mounted on LED light 34 in mounting base 33, and LED light 34 is located at sponge plate 151 and the
Two graduated scales, 30 top, so Physical Education Teacher can highlight, be convenient in the front opening LED light 34 of demonstration, LED light 34
Student sees the numerical value on the second graduated scale 30 clearly.LED light 34 is closed after the completion of demonstration.
Above-described embodiment, which is available to, to be familiar with person in the art to realize or use the present invention, and is familiar with this field
Personnel can make various modifications or variation, thus this to above-described embodiment without departing from the present invention in the case of the inventive idea
The protection domain of invention is not limited by above-described embodiment, and should meet inventive features that claims are mentioned most
On a large scale.
Claims (5)
1. a kind of physics teaching level throw motion demonstration equipment, which is characterized in that include pedestal, mounting plate, bearing block, silk
Bar, nut, servo motor, the first guide rail, the first guide sleeve, placement plate, the first sliding rail, the first sliding block, spring, connecting rod, push rod,
The first in command, sponge plate, fixed block and movable plate, pedestal upside left part are equipped with mounting plate, and mounting plate right side is all provided with for two up and down
There is bearing block, lead screw is connected between the bearing block of upper and lower both sides, the mode being connected through a screw thread in the middle part of lead screw is connected with nut,
Nut coordinates with lead screw, and movable plate is equipped on the right side of nut, and left part is equipped with servo motor on the upside of pedestal, and servo motor is located at mounting plate
Right side, the output axis connection on the upside of screw lower end and servo motor, middle side part is equipped with the first guide rail on pedestal, sliding on the first guide rail
Dynamic formula is connected with the first guide sleeve, connect with right part on rear side of movable plate on front side of the first guide sleeve, is equipped with below movable plate leading flank right part
Placement plate, movable plate leading flank left part centre are equipped with the first sliding rail, and slidingtype is connected with the first sliding block on the first sliding rail, and first slides
Rail left end is equipped with fixed block, is fixed on movable plate on rear side of fixed block, is connected between the first sliding block left side on the right side of fixed block
Spring, the first sliding block downside are connected with connecting rod, and right part is connected with push rod on the downside of connecting rod, and push rod is located above placement plate, pushes away
Right part is equipped with the first in command on front side of bar, and right part is equipped with sponge plate on the upside of pedestal.
2. a kind of physics teaching level throw motion demonstration equipment according to claim 1, which is characterized in that further include having to turn
Bar, the first graduated scale, fixed link and steel wire rope, left part rotary type is connected with bull stick on the upside of pedestal, bull stick be located at servo motor and
Between first guide rail, the first graduated scale is connected on the upside of bull stick, the first graduated scale is located on rear side of movable plate, the first graduated scale right end
It is connected with fixed link, steel wire rope is wound in fixed link, the end of steel wire rope is connected on the upside of pedestal.
3. a kind of physics teaching level throw motion demonstration equipment according to claim 2, which is characterized in that further include putting
Cylinder, the first idler wheel, decelerating motor, sector gear, rack, baffle and the second idler wheel are set, is equipped with above movable plate leading flank right part
Placing tube, placing tube inner homogeneous are equipped with the first idler wheel, decelerating motor are equipped with above movable plate leading flank left part, decelerating motor
It is connected with sector gear on output shaft, rack is connected on the upside of the first sliding block, rack is located on the downside of sector gear, rack and sector
Gear engages, and connecting rod right end is connected with baffle, is contacted with placing tube bottom on the upside of baffle, and the second idler wheel is equipped on the right side of baffle.
4. a kind of physics teaching level throw motion demonstration equipment according to claim 3, which is characterized in that further include having
Two sliding rails, the second sliding block, mobile bar, measuring rod, the second graduated scale and second handle, pedestal front side right part are equipped with the second sliding rail,
Slidingtype is connected with the second sliding block on second sliding rail, is connected with mobile bar on front side of the second sliding block, mobile bar upper back is connected with
Measuring rod, middle part is equipped with second handle on front side of measuring rod, and right part is equipped with the second graduated scale on front side of pedestal, and the second graduated scale is located at the
On the upside of two sliding rails.
5. a kind of physics teaching level throw motion demonstration equipment according to claim 4, which is characterized in that further include having branch
Plate, mounting base and LED light, movable plate right upper portion are equipped with support plate, are uniformly provided with multiple mounting bases on the downside of support plate, in mounting base
LED light is installed, LED light is located above sponge plate and the second graduated scale.
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| CN201810506912.4A CN108376499B (en) | 2018-05-24 | 2018-05-24 | A kind of physics teaching level throw motion demonstration equipment |
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| CN201810506912.4A CN108376499B (en) | 2018-05-24 | 2018-05-24 | A kind of physics teaching level throw motion demonstration equipment |
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| CN108376499B CN108376499B (en) | 2019-07-02 |
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| CN109920311A (en) * | 2019-03-29 | 2019-06-21 | 宋浩然 | A kind of high school physics experimental simulation device |
| CN111627302A (en) * | 2020-07-06 | 2020-09-04 | 陈嘉禾 | Teaching experiment tool with multiple demonstration effects and use method |
| CN111739388A (en) * | 2020-07-06 | 2020-10-02 | 吴颖凯 | Experiment demonstration device capable of performing cross teaching |
| CN111754843A (en) * | 2020-07-28 | 2020-10-09 | 江西应用技术职业学院 | Colleges and universities are open-air show shelf for ideological and political education |
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| Publication number | Publication date |
|---|---|
| CN108376499B (en) | 2019-07-02 |
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