CN206741780U - Rotator inertia apparatus for demonstrating - Google Patents

Abstract

Rotator inertia apparatus for demonstrating, include groove profile base, the first runner, rocking bar, rotating shaft, through hole, protruding block, slideway, stud, block, nut, fixed plate, clutch shaft bearing, timing belt, servomotor, second bearing, the second runner, support bar and the gear teeth.Rotator inertia apparatus for demonstrating described in the utility model, its is reasonable in design, simple to operate, forces the first runner to stop operating by baffle plate, second runner continues to keep rotating, the gear teeth contact with the inclined plane of push rod, and are rotated further after push rod is pressed down against, and push rod resilience in the presence of compression spring resets, and stretch into one by one in the race for having marked color gear teeth rear, until the second runner stops operating, so as to by the presentation of rotator inertia visual phenomenon, ask and sharpen understanding for the rotary inertia in later stage.

Description

Rotator inertia apparatus for demonstrating

Technical field

It the utility model is related to physical model field, more particularly to rotator inertia apparatus for demonstrating.

Background technology

Inertia when rotary inertia is rigid body pivoting, that is, turn round object and keep its uniform circular motion or static characteristic Measure, in classical mechanics, rotary inertia, also known as mass mement of inertia, it is referred to as used away from.Rotary inertia is in spin dynamics Role can be interpreted as to form an object for the inertia of rotary motion, usually give birth to equivalent to the quality in linear dynamics In work, the object of inertial rotation motion can be seen, but simultaneously not enough intuitively observes the slight change of rotary inertia, is not easy to Calculation is asked to rotary inertia in the research learning in later stage.

Utility model content

The purpose of this utility model is, in place of overcome the deficiencies in the prior art, there is provided reasonable in design, simple to operate turns Dynamic inertial demonstration device, forces the first runner to stop operating by baffle plate, and the second runner continues to keep rotating, the gear teeth and push rod Inclined plane contacts, and is rotated further after push rod is pressed down against, and push rod resilience in the presence of compression spring resets, and stretches one by one In the race for entering to have marked color gear teeth rear, until the second runner stops operating, to be in by rotator inertia visual phenomenon Now, the rotary inertia for the later stage, which is asked, sharpens understanding.

Rotator inertia apparatus for demonstrating described in the utility model, include groove profile base, the first runner, rocking bar, rotating shaft, logical Hole, protruding block, slideway, stud, block, nut, fixed plate, clutch shaft bearing, timing belt, servomotor, second bearing, second turn Wheel, support bar, the gear teeth, column, compression spring, push rod and supporting plate, groove profile base are that rotator inertia described in the utility model is drilled The body supports part of showing device, in same level, it is provided with through hole on the both sides riser of groove profile base, described two The axial line of through hole overlaps, and interts in two through hole and is provided with rotating shaft, described rotating shaft both ends extend to the both sides of groove profile base It is exposed, rocking arm is fixedly installed in the wherein end face of rotating shaft, described rocking arm wherein one end is connected with one end of rotating shaft to be set Put, the other end of rocking arm is fixedly installed handle, and rotating rocking arm by handle operates rotating shaft, in groove profile base, close The first runner is arranged with the rotating shaft of one end, the first described runner is wholely set with rotating shaft, remote on the first runner Protruding block is fixedly installed on the end face of rocking arm, by the stop to protruding block, the first runner is stopped operating, in groove profile base Outside, and the rocking arm distal end of rotating shaft is provided with the second runner, the second described runner is circular, the axial line of the second runner Overlapped with the axial line of rotating shaft, the gear teeth are fixedly installed on the inner ring of the second runner, color is labeled with one of gear teeth, the Two runners are connected by being set in the second bearing on the outside of rotating shaft with groove profile base, described second bearing inner ring and groove profile bottom Seat is fixedly connected, and the outer ring of second bearing is fixedly connected with setting with the wherein end face of the second runner, and the second runner passes through second Bearing is freely rotated, and column is fixedly installed in the relative rotating shaft of the gear teeth, cavity is provided with described column, in column Top is provided with the gap connected with cavity, and compression spring is provided with the cavity of column, in cavity, and in compression spring Top be movably set with supporting plate, the push rod upwardly extended through gap, described push rod are fixedly installed above supporting plate Top end face be obliquely installed, stir axis of rotation, the column concomitant rotation in rotating shaft, when rotating shaft rotates counterclockwise, push rod Top part promotes the gear teeth on the second rotating disk together to rotate, and after the second runner forms the rotation of inertia, stops turning for rotating shaft Dynamic, the gear teeth are in contact with the inclined plane of push rod, and push rod is pushed, and after treating gear teeth warp, push rod is multiple in the presence of compression spring Position is popped up, and the top part of push rod is entered in the race behind the gear teeth, the top part of push rod by extruding repeatedly, Until the second runner stops operating, that is to say, that the gear teeth form ratchet mechanism with push rod, on the inside of groove profile base, close to first Being horizontally disposed with the riser side wall of runner has the slideway to concave, and described slideway wherein one end extends to raised on the first runner The region that block is radiated, the slideway other end extend to the end of riser, fix and set in the end of the wherein riser close to rocking arm Be equipped with the fixed plate extended into notch, have a stud through fixed plate is horizontally disposed, described stud one end through fixed plate to The first runner extension in groove profile base, the other end is exposed in groove profile chassis outer side through fixed plate, extends into groove profile base Stud on be bolted with nut, be fixedly installed support bar and block on described nut outer wall, described support bar one end with The outer wall of nut is connected, and the other end is extended in slideway, and, when stud positive and negative rotation, drives in slideway slidably The nut being spirally connected with stud moves back and forth in the presence of support bar along slideway, when nut is moved near the first runner, gear Block stops to the protruding block on the first runner of rotation, forces it to stop operating, on the lateral surface of fixed plate, and in spiral shell Servomotor is provided with below post, described servomotor is wholely set with fixed plate, and is electrically connected with power supply, in stud with watching Take and timing belt is arranged between motor, servomotor passes through the positive and negative rotation that timing belt drives stud.

Rotator inertia apparatus for demonstrating described in the utility model, its is reasonable in design, simple to operate, and first is forced by baffle plate Runner stops operating, and the second runner continues to keep rotating, and the gear teeth contact with the inclined plane of push rod, and push rod is pressed down against follow-up Continuous to rotate, push rod resilience in the presence of compression spring resets, and stretches into one by one in the race for having marked color gear teeth rear, directly Stopped operating to the second runner, so as to by the presentation of rotator inertia visual phenomenon, ask and sharpen understanding for the rotary inertia in later stage.

Brief description of the drawings

Accompanying drawing 1 is the structural representation of rotator inertia apparatus for demonstrating described in the utility model, and accompanying drawing 2 is the utility model The side structure schematic diagram of described rotator inertia apparatus for demonstrating, accompanying drawing 3 are rotator inertia described in the utility model demonstration dress The partial schematic diagram put.

1- groove profile base 2- the first runner 3- rocking bar 4- rotating shaft 5- through hole 6- protruding blocks 7- is slided Road 8- stud 9- block 10- nut 11- fixed plate 12- clutch shaft bearing 13- timing belts 14- is watched Take motor 15- second bearings 16- the second runner 17- support bar 18- gear teeth 19- columns 20- compressions Spring 21- push rod 22- supporting plates.

Embodiment

Referring now to accompanying drawing 1, accompanying drawing 2 and accompanying drawing 3, in conjunction with specific embodiments, it is described as follows：Rotation described in the utility model Inertial demonstration device, include groove profile base 1, the first runner 2, rocking bar 3, rotating shaft 4, through hole 5, protruding block 6, slideway 7, stud 8, Block 9, nut 10, fixed plate 11, clutch shaft bearing 12, timing belt 13, servomotor 14, second bearing 15, the second runner 16, branch Strut 17, the gear teeth 18, column 19, compression spring 20, push rod 21 and supporting plate 22, groove profile base 1 are described in the utility model turn The body supports part of dynamic inertial demonstration device, in same level, through hole is provided with the both sides riser of groove profile base 1 5, the axial line of described two through hole 5 overlaps, and interts in two through hole 5 and is provided with rotating shaft 4, the described both ends of rotating shaft 4 extend to The both sides of groove profile base 1 are exposed, are fixedly installed rocking arm in the wherein end face of rotating shaft 4, described rocking arm wherein one end is with turning One end of axle 4 is connected setting, and the other end of rocking arm is fixedly installed handle, and rotating rocking arm by handle operates rotating shaft 4, In groove profile base 1, the first runner 2, the first described runner 2 and the one of rotating shaft 4 are arranged with the rotating shaft 4 close to one end Set, on the first runner 2, protruding block 6 is fixedly installed on the end face away from rocking arm, by the stop to protruding block 6, make the One runner 2 stops operating, and in the outside of groove profile base 1, and the second runner 16 is provided with the rocking arm distal end of rotating shaft 4, and described the Two runners 16 are annular shape, and the axial line of the second runner 16 overlaps with the axial line of rotating shaft 4, fixed on the inner ring of the second runner 16 The gear teeth 18 are provided with, are labeled with color on one of gear teeth 18, the second runner 16 is by being set in second axle in the outside of rotating shaft 4 Hold 15 with groove profile base 1 to be connected, the described inner ring of second bearing 15 is fixedly connected with groove profile base 1, outside second bearing 15 Circle is fixedly connected with setting with the wherein end face of the second runner 16, and the second runner 16 is freely rotated by second bearing 15, taken turns Column 19 is fixedly installed in the relative rotating shaft 4 of tooth 18, cavity is provided with described column 19, is set on the top of column 19 There is the gap connected with cavity, compression spring 20 is provided with the cavity of column 19, in cavity, and in compression spring 20 Top is movably set with supporting plate 22, and the push rod 21 upwardly extended through gap is fixedly installed in the top of supporting plate 22, described The top end face of push rod 21 is obliquely installed, and is stirred rotating shaft 4 and is rotated, the concomitant rotation of column 19 in rotating shaft 4, when rotating shaft 4 turns counterclockwise When dynamic, the top part of push rod 21 promotes the gear teeth 18 on the second rotating disk together to rotate, when the second runner 16 forms turning for inertia After dynamic, stop the rotation of rotating shaft 4, the gear teeth 18 are in contact with the inclined plane of push rod 21, push rod 21 is pushed, and treat that the gear teeth 18 pass through Afterwards, push rod 21 is resetted in the presence of compression spring 20 and popped up, and the top part of push rod 21 is entered behind the gear teeth 18 In race, the top part of push rod 21 is by extruding repeatedly, until the second runner 16 stops operating, that is to say, that the gear teeth 18 Ratchet mechanism is formed with push rod 21, in the inner side of groove profile base 1, being horizontally disposed with the riser side wall of the first runner 2 has inwardly Recessed slideway 7, described wherein one end of slideway 7 extend to the region that protruding block 6 is radiated on the first runner 2, the other end of slideway 7 The end of riser is extended to, the fixed plate extended in oriented notch is fixedly installed in the end of the wherein riser close to rocking arm 11, have a stud 8 through fixed plate 11 is horizontally disposed, described one end of stud 8 pass through fixed plate 11 into groove profile base 1 first Runner 2 extends, and the other end is through fixed plate 11 in exposed, the spiral shell on the stud 8 extended into groove profile base 1 in the outside of groove profile base 1 Nut 10 is connected to, support bar 17 and block 9, described one end of support bar 17 and spiral shell are fixedly installed on the described outer wall of nut 10 The outer wall of mother 10 is connected, and the other end is extended in slideway 7, and, when 8 positive and negative rotation of stud, band. in slideway 7 slidably The dynamic nut 10 being spirally connected with stud 8 moves back and forth in the presence of support bar 17 along slideway 7, when nut 10 is moved to the first runner When near 2, block 9 stops to the protruding block 6 on the first runner 2 of rotation, forces it to stop operating, in fixed plate 11 On lateral surface, and servomotor 14 being provided with below stud 8, described servomotor 14 is wholely set with fixed plate 11, and Electrically connected with power supply, timing belt 13 is arranged between stud 8 and servomotor 14, servomotor 14 is driven by timing belt 13 The positive and negative rotation of stud 8.

Using rotator inertia apparatus for demonstrating described in the utility model, the second runner 16 is rotated first, makes mark color The gear teeth 18 are placed in the front of push rod 21, and rotating rocking arm makes rotating shaft 4 drive the first runner 2 to rotate, and the top part of push rod 21 passes through The gear teeth 18 for being labelled with color are stirred, make the second runner 16 with the synchronous axial system of the first runner 2, after servomotor 14 is powered, Then stop exerting a force to rocking arm, drive stud 8 to drive nut 10 movable along slideway 7 by timing belt 13, on the first runner 2 Protruding block 6 by after the baffle on nut 10, moment stops operating, 1-2 seconds to stop operating in the first runner 2 when Between section, the second runner 16 is being rotated further, and the gear teeth 18 are in contact with the inclined plane of push rod 21, and push rod 21 is pushed, in compression bullet Resetting push rod 21 in the presence of spring 20 to upspring, push rod 21 stretches into the race for having marked the rear of the color gear teeth 18 one by one, until Second runner 16 stops operating, so as to by the presentation of rotator inertia visual phenomenon.

Rotator inertia apparatus for demonstrating described in the utility model, its is reasonable in design, simple to operate, and first is forced by baffle plate Runner stops operating, and the second runner continues to keep rotating, and the gear teeth contact with the inclined plane of push rod, and push rod is pressed down against follow-up Continuous to rotate, push rod resilience in the presence of compression spring resets, and stretches into one by one in the race for having marked color gear teeth rear, directly Stopped operating to the second runner, so as to by the presentation of rotator inertia visual phenomenon, ask and sharpen understanding for the rotary inertia in later stage.

Claims (3)

1. rotator inertia apparatus for demonstrating, include groove profile base（1）, the first runner（2）, rocking bar（3）, rotating shaft（4）, through hole（5）、 Protruding block（6）, slideway（7）, stud（8）, block（9）, nut（10）, fixed plate（11）, clutch shaft bearing（12）, timing belt （13）, servomotor（14）, second bearing（15）, the second runner（16）, support bar（17）And the gear teeth（18）, groove profile base（1） It is body supports part, it is characterised in that in groove profile base（1）Both sides riser on be provided with through hole（5）, in two through hole（5） It is interior interspersed to be provided with rotating shaft（4）, described rotating shaft（4）Both ends extend to groove profile base（1）Both sides it is exposed, in rotating shaft（4）'s Wherein end face is fixedly installed rocking arm, and handle is provided with rocking arm, in groove profile base（1）It is interior, close to one end Rotating shaft（4）On be arranged with the first runner（2）, in the first runner（2）End face on be fixedly installed protruding block（6）, at groove profile bottom Seat（1）Outside, and in rotating shaft（4）Rocking arm distal end be provided with the second runner（16）, described the second runner（16）For annular shape, Second runner（16）Inner ring on be fixedly installed the gear teeth（18）, the second runner（16）By being set in rotating shaft（4）The of outside Two bearings（15）With groove profile base（1）It is connected, in the gear teeth（18）Relative rotating shaft（4）The upper oriented gear teeth of fixed setting（18）Between Race in extension driving lever, in groove profile base（1）Inner side, close to the first runner（2）Riser side wall on be horizontally disposed with it is oriented The slideway of indent（7）, described slideway（7）Wherein one end extends to the first runner（2）Upper protruding block（6）The region radiated, Slideway（7）The other end extends to the end of riser, is fixedly installed in the end of the wherein riser close to rocking arm in oriented notch The fixed plate of extension（11）, through fixed plate（11）It is horizontally disposed to have stud（8）, described stud（8）One end passes through fixed plate （11）To groove profile base（1）The first interior runner（2）Extension, the other end pass through fixed plate（11）In groove profile base（1）Outside is naked Dew, to groove profile base（1）The stud of interior extension（8）On be bolted with nut（10）, described nut（10）It is fixedly installed on outer wall There is support bar（17）And block（9）, described support bar（17）One end and nut（10）Outer wall be connected, the other end extends to Slideway（7）It is interior, and in slideway（7）Inside slidably, in fixed plate（11）Lateral surface on, and in stud（8）Lower section is provided with Servomotor（14）, described servomotor（14）With fixed plate（11）It is wholely set, and is electrically connected with power supply, in stud（8） With servomotor（14）Between be arranged with timing belt（13）.

2. rotator inertia apparatus for demonstrating according to claim 1, it is characterised in that described driving lever includes column （19）, compression spring（20）And push rod（21）, described column（19）Cavity is inside provided with, in column（19）Top be provided with The gap connected with cavity, in column（19）Cavity in be provided with compression spring（20）, in cavity, and in compression spring （20）Top be movably set with supporting plate（22）, in supporting plate（22）Top be fixedly installed the push rod upwardly extended through gap （21）, described push rod（21）Top end face be obliquely installed, the gear teeth（18）With push rod（21）Form ratchet mechanism.

3. rotator inertia apparatus for demonstrating according to claim 1, it is characterised in that one of gear teeth（18）On be labeled with Color.