CN205751311U - Omnibearing adjustable simple maglev type mechanics experiment instrument - Google Patents

Omnibearing adjustable simple maglev type mechanics experiment instrument Download PDF

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Publication number
CN205751311U
CN205751311U CN201620276537.5U CN201620276537U CN205751311U CN 205751311 U CN205751311 U CN 205751311U CN 201620276537 U CN201620276537 U CN 201620276537U CN 205751311 U CN205751311 U CN 205751311U
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CN
China
Prior art keywords
leveling
track
magnetic rail
experiment
adjustable magnetic
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Expired - Fee Related
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CN201620276537.5U
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Chinese (zh)
Inventor
张锐波
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Zhejiang University City College ZUCC
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Zhejiang University City College ZUCC
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Priority to CN201620276537.5U priority Critical patent/CN205751311U/en
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Abstract

This utility model relates to Omnibearing adjustable simple maglev type mechanics experiment instrument, adjusts inclination angle indicator, track, the first supporting leg, the second supporting leg, side leveling crossbeam, leveling adjustable magnetic rail inclined shore lower limb, the first photogate, the second photogate, experiment slide block, driven pulley and scale pan including leveling;Described leveling adjusts inclination angle indicator to be inserted in track left end;First supporting leg and the second supporting leg are respectively fitted over side leveling crossbeam two ends;Described side leveling crossbeam two ends are positioned at track left bottom;It is provided with the track that two stands is formed at track bottom right side;Leveling adjustable magnetic rail inclined shore lower limb top is provided with rotation wheel, rotates wheel and coordinates with the track of two stands formation;Two stands is provided with leveling adjustable magnetic rail inclination standing screw movable sliding, and the wheel shaft connection rotating wheel has leveling adjustable magnetic rail inclination hold-doun nut bar to lock with leveling adjustable magnetic rail inclination standing screw movable sliding.The beneficial effects of the utility model are: rational in infrastructure, and experiment effect is good.

Description

Omnibearing adjustable simple maglev type mechanics experiment instrument
Technical field
This utility model patent relates to experiment instrument, particularly relates to a kind of Omnibearing adjustable simple maglev type Experiments of Machanics Instrument.
Background technology
At present, colleges and universities and producer all use traditional type air track pattern suspended slider to carry out related experiment, i.e. at triangle Uniformly holing in the cavity guide rail both sides of ferrum besieged city two ends closure, air pump is filled in the angle iron guide rail cavity closed by one end Gas, gas is sprayed by angle iron cavity guide rail both sides aperture, makes slider suspension carry out related experiment on gas rail.This knot Structure, had both been unfavorable for energy-saving and emission-reduction, and slide block movement is the most stable.Additionally, also have a kind of planar magnetic floating to lead in the market Rail, slide block is also in plane, and this pattern sliding block is suspended on track, and not only both sides need to arrange retaining wall, increases additional friction, and And stability is inadequate, severely impact experiment certainty of measurement.
Utility model content
The purpose of this utility model is to overcome prior art not enough, it is provided that a kind of rational in infrastructure, good complete of experiment effect Position adjustable simple maglev type mechanics experiment instrument.
For achieving the above object, this utility model have employed techniques below scheme:
This Omnibearing adjustable simple maglev type mechanics experiment instrument, including leveling adjust inclination angle indicator, track, first Supporting leg, the second supporting leg, side leveling crossbeam, leveling adjustable magnetic rail inclined shore lower limb, the first photogate, the second photogate, reality Test slide block, driven pulley and scale pan;Described leveling adjusts inclination angle indicator to be inserted in track left end;First supporting leg and second Support leg is respectively fitted over side leveling crossbeam two ends;Described side leveling crossbeam two ends are positioned at track left bottom;On the right side of track Bottom is provided with the track that two stands is formed;Leveling adjustable magnetic rail inclined shore lower limb top is provided with rotation wheel, rotates wheel and two stands shape The track become coordinates;Two stands is provided with leveling adjustable magnetic rail and tilts standing screw movable sliding, and the wheel shaft connection rotating wheel has tune Heibei provincial opera track tilts hold-doun nut bar and locks with leveling adjustable magnetic rail inclination standing screw movable sliding;First photogate and Two photogate are separately fixed on the incline of track;Track end is located at by driven pulley, and experiment slide block is placed on track and passes through Cotton rope is walked around driven pulley and is connected with scale pan.
As preferably: the cross section of described track and experiment slide block is isosceles triangle shape and cooperates.
As preferably: be equipped with the thin magnet steel of same sex rectangle inside described track and experiment slide block phase-contact surface.
The beneficial effects of the utility model are:
Slide block and guide rail identical shape triangular in shape, corresponding surface all adheres to flat rectangular like pole Magnet, by Repel each other in like pole, be allowed to slide block at moving on rails not only without friction but also keep relatively steady, and have employed adjustable supports Bar carrys out leveling and can accurately change orbit inclination angle, uses leveling to adjust angle of inclination indicator, maglev type guide rail is indulged, Side leveling and the accurate measurement along track direction adjustable inclination.
Accompanying drawing explanation
Fig. 1 is overall structure top view;
Fig. 2 is overall structure front view;
Fig. 3 is leveling, adjusts supporting leg to fix partial side view;
Fig. 4 is the leveling of track direction, adjusts supporting leg and track constant cross-section figure;
Fig. 5 is experiment slide block force analysis figure on track;
Fig. 6 is that gas rail is adjusted to a certain angle side view;
Fig. 7 is that angle of inclination indicator schematic diagram is adjusted in leveling;
Fig. 8 is vernier cursor precision calibration schematic diagram;
Fig. 9 is pulley and support schematic diagram;
Figure 10 is pulley schematic diagram.
Detailed description of the invention
Below in conjunction with embodiment, this utility model is described further.The explanation of following embodiment is only intended to help reason Solve this utility model.It should be pointed out that, for those skilled in the art, without departing from this utility model principle On the premise of, it is also possible to this utility model is carried out some improvement and modification, and these improve and modification also falls into this utility model In scope of the claims.
As it is shown in figure 1, be maglev type mechanics experiment instrument track top view.1, leveling tune angle of inclination indicator jack, 2, Side leveling crossbeam, 2-1, the first leveling supporting legs, 2-2, the second leveling supporting legs, 3, track, 3-02, leveling adjust runner rail Road, 6-40, leveling adjustable magnetic rail tilt runner, 7, pulley yoke, 7-1, traction string holes.
As shown in Figures 2 and 3, respectively maglev type mechanics experiment instrument is all and partial side view.1, inclination angle is adjusted in leveling Degree indicator jack, 1-0, leveling tune angle of inclination indicator, 1-1 pair chi (vernier cursor), 1-2, main scale, 2-1, the first leveling are propped up Lower limb, 2-2, the second leveling supporting legs, 0-1, the first photogate, 0-2, the second photogate, 3, magnetic orbital, 3-5, leveling adjustable magnetic rail tilt Standing screw movable sliding, 4, experiment slide block, 6, leveling adjustable magnetic rail inclined shore lower limb, 6-40, leveling adjust runner, 6-4, tune Heibei provincial opera track tilts standing screw, and 7, pulley yoke, 7-0, draught line, 7-1, traction string holes, 7-2, scale pan.
As shown in Figure 4, for the leveling of track direction, adjust supporting leg and track constant cross-section figure.4, experiment slide block;4-1, cunning Block upper surface;4-2, flat rectangular magnet steel;4-3, smooth rustless steel thin slice;3, magnetic orbital;3-1, smooth rustless steel thin slice, 3- 2, flat rectangular magnet steel;3-3, stainless steel substrates;3-01, track bracing frame, 3-02, leveling adjustable magnetic rail tilt runner track, 3- 03, photogate fixed edge, 6-1, leveling adjustable magnetic rail inclined shore legs and feet;6-2, leveling adjustable magnetic rail tilting screw;6-3, leveling are adjusted Track tilt-lock screw;6-4, leveling adjustable magnetic rail tilt standing screw, and 6-40, leveling adjustable magnetic rail tilt runner, 6-41, leveling Adjustable magnetic rail tilts hold-doun nut, and 6-42, leveling adjustable magnetic rail tilt runner shaft;6-43, leveling adjustable magnetic rail tilt locking rotation and hold Handle.
As shown in Figure 9 and Figure 10, it is pulley and support schematic diagram, 7, driven pulley frame;7-01, driven pulley rotating shaft;7- 02, driven pulley.
As shown in Figure 8, it is clinometer precision calibration schematic diagram, have employed main scale 29 lattice (14.5 °) and vernier cursor 30 lattice pair Together, 0.5 ° (30 ') being assigned in 30 lattice, every lattice are 1 ', i.e. the precision of vernier cursor is 1 '.
Track, experiment slide block make and force analysis:
1, track and slide block manufacture method
Make triangular surface with stainless steel substrates, lay the thin magnet steel of flat rectangular thereon, at process of deployment midplane On the N (or S) of the thin magnet steel of rectangle face extremely without exception (or under face), on the thin magnet steel of flat rectangular, re-lay same shape Triangle smooth rustless steel thin slice, then carry out technical firmly;Experiment shoe surface shape and track upper surface triangle Identical, material is also adopted by smooth rustless steel thin slice, it lays the thin magnet steel of flat rectangular, under magnet steel N (or S) pole-face (or on face), i.e. experiment slider magnetic steel is identical with track contact surface magnet steel polarity, and according to requirement of experiment to experiment slide block Related link carries out the technical complete of technical firmly link necessary with experiment.
2, experiment slide block force analysis
As it is shown in figure 5, for being placed on track experiment slide block force analysis figure, owing to experiment slide block is symmetrical structure, be placed on On symmetrical track, use method for designing the most corresponding for like pole N (or S), the even thin magnet steel of flat rectangular on track On magnetic pole N (or S) pole-face, then, under flat rectangular thin magnetic steel magnetic pole N (or S) pole-face on experiment slide block, experiment slide block is downward Two sides can be by track two symmetrical repulsion effect on the side, and its repulsion size is respectively F1, F and the slide block gravity mg that makes a concerted effort of generation Equal in magnitude, in opposite direction, there is a air gap therebetween, so experiment slide block, the most only can be by one during motion Air drag effect.
Connect between each several part on track:
Leveling is adjusted inclination angle indicator be inserted in track left end 1, supporting leg 1 (2-1) and supporting leg 2 (2-2) are overlapped respectively In side leveling crossbeam 2 front and back end, track 3 can longitudinally surround before and after's supporting leg 2-1,2-2 axle and turn along track 3 slide block movement direction Dynamic, to regulate track 3 level and along track direction inclined angle alpha, leveling adjustable magnetic rail inclined shore lower limb 6 top is rotated wheel 6-1 and takes Under, it is put in track 3 between the track 3 two stands 3-01 of right side, rotation wheel 6-1 is placed on leveling adjustable magnetic rail inclined shore lower limb 6 In the middle of upper end, tilt hold-doun nut bar 6-41 with leveling adjustable magnetic rail sliding through the inclination standing screw activity of track 3 leveling adjustable magnetic rail Groove 3-5 and leveling adjustable magnetic rail inclined shore lower limb 6 upper end, and leveling adjustable magnetic rail is tilted locking rotation hold handle 6-43 spiral shell and enter, will First photogate 0-1 and the second photogate 0-2 are separately fixed on track 3 incline 3-03, and pulley yoke 7 is arranged on track 3 end End position, experiment slide block 4 is placed on track 3, fastens on experiment slide block 4 with one end of cotton rope 7-0, and the other end passes cotton rope hole 7- 1, walk around driven pulley 7-02, keeping on the basis of cotton rope level, its terminal is connected with scale pan 7-2, as Fig. 1,2,3,4, 9, shown in 10;
Leveling tune inclination principle:
1, leveling
1, Verify Newton Second Law experiment;2, checking kinetic energy theorem;3, checking momentum theorem;These three experiment needs strict To track 3 leveling.Leveling method: leveling is adjusted the main scale 1-2 of angle of inclination indicator 1, secondary chi vernier cursor 1-1 place plane turn To parallel with i.e. supporting leg 1,2 direction of side leveling crossbeam 2, regulation supporting leg 1,2 (2-1,2-2), it is allowed to leveling and adjusts inclination angle Secondary chi (vernier cursor) 1-1 pointer on degree indicator 1 points to 0 graduation mark of main scale 1-2, i.e. side leveling;Again leveling is adjusted and incline Rake angle indicator 1 main scale 1-2, secondary chi (vernier cursor) 1-1 place plane go to parallel with the track 3 magnetic slider direction of motion, pine Handle 6-43, the lifting spiral shell of regulation leveling adjustable magnetic rail inclined shore lower limb 6 are held in the locking rotation opening leveling adjustable magnetic rail inclined shore lower limb 6 Rotation 6-2, is allowed to leveling and adjusts the secondary chi vernier cursor 1-1 pointer on angle of inclination indicator 1 to point to 0 graduation mark of main scale 1-2, the most vertical To leveling, then the locking of locking leveling adjustable magnetic rail inclined shore lower limb 6 rotates and holds handle 6-43.As shown in Figure 2.
2, adjust
Measure acceleration of gravity to need track 3 is adjusted inclination.Control method: leveling is adjusted angle of inclination indicator 1 main scale 1-2, secondary chi (vernier cursor) 1-1 plane go to parallel with side leveling crossbeam 2 (the i.e. first supporting leg and the second supporting leg) direction, Regulation supporting leg 1,2 (2-1,2-2), is allowed to leveling and adjusts secondary chi (vernier cursor) the 1-1 pointer on angle of inclination indicator 1 to point to master 0 graduation mark of chi 1-2, i.e. side leveling;Again angle of inclination indicator 1 main scale 1-2, secondary chi (vernier cursor) 1-1 institute are adjusted in leveling Go to parallel with the track 3 magnetic slider direction of motion in plane, handle is held in the locking rotation unclamping leveling adjustable magnetic rail inclined shore lower limb 6 6-43, regulates downwards the elevating screws 6-2 of leveling adjustable magnetic rail inclined shore lower limb 6, and leveling tilts runner track 3-02 and will turn Rolling on wheel 6-40, the secondary chi vernier cursor 1-1 pointer on tune angle of inclination to be leveled indicator 1 points to main scale 1-2 and vernier cursor During angle [alpha] on 1-1, the locking of locking leveling adjustable magnetic rail inclined shore lower limb 6 rotates holds handle 6-43.As shown in Figure 6.
Experiment shoe surface and track surface all use triangle to coincide shape, test slide block inner surface i.e. track contact surface Internal layer i.e. tests slide block inner surface relative all layings thin magnet steel of flat rectangular with track inner layer surface, and corresponding all uses the same sex Magnetic pole, produces mutually exclusive power and makes experiment slider suspension, and track two sides produce the conjunction of two repulsion to slide block two sides Power and slide block gravitational equilibrium, make experiment slider suspension, during experiment, tests slide block in the track direction of motion only by air The effect of resistance;
By regulation intermediate supports lower limb height, guide rail bottom surface will rotate on intermediate supports lower limb top and roll, with this on wheel Changing track inclination angle, this inclination angle can be adjusted in leveling and accurately be read on dipmeter, measures acceleration of gravity with this.
Omnibearing adjustable simple maglev type mechanics experiment instrument can do following experiment content:
1, carrying out Verify Newton Second Law by level-off strict to track vertical, horizontal to test, experimental principle is slightly;
2, verifying that kinetic energy theorem is tested by level-off strict to track vertical, horizontal, experimental principle is slightly;
3, verifying that momentum theorem is tested by level-off strict to track vertical, horizontal, experimental principle is slightly;
4, by track side leveling, longitudinally along track slide block movement direction adjustable inclination, measure gravity and accelerate Degree experiment.Accurately measure acceleration of gravity experimental procedure as follows with principle:
(1) first, level-off horizontal to track is with longitudinally along track slide block movement direction tune inclination alpha, and control method is the most front;
(2) open millisecond meter, and be set to acceleration a gear;
(3) loosing one's grip before experiment slide block 4 being put in track 3 first photogate 0-1, experiment slide block 4 will be in the effect of gravity Lower motion, is in the light through the first photogate 0-1, then moves to the second photogate 0-2 and be in the light, and can depend on from millisecond meter fluorescent screen Secondary reading, is in the light time, instantaneous velocity through the first photogate 0-1, is in the light time, instantaneous velocity through the second photogate 0-2, and Time between the first photogate 0-1 to the second photogate 0-2, and the acceleration of motion of experiment slide block 4;
The sliding force mg sin α of experiment slide block 4;Then mg sin α-f=ma, owing to experiment slide block magnetic floats on track, In motor process, suffered air drag is the least, therefore acceleration of gravity is: g=a/sin α.

Claims (3)

1. an Omnibearing adjustable simple maglev type mechanics experiment instrument, it is characterised in that: include leveling adjust inclination angle indicator, Track, the first supporting leg, the second supporting leg, side leveling crossbeam, leveling adjustable magnetic rail inclined shore lower limb, the first photogate, second Photogate, experiment slide block, driven pulley and scale pan;Described leveling adjusts inclination angle indicator to be inserted in track left end;First supports Lower limb and the second supporting leg are respectively fitted over side leveling crossbeam two ends;Described side leveling crossbeam two ends are positioned at track left bottom; It is provided with the track that two stands is formed at track bottom right side;Leveling adjustable magnetic rail inclined shore lower limb top is provided with rotation wheel, rotates wheel The track formed with two stands coordinates;Two stands is provided with leveling adjustable magnetic rail and tilts standing screw movable sliding, rotates the wheel of wheel Axle connects has leveling adjustable magnetic rail inclination hold-doun nut bar to lock with leveling adjustable magnetic rail inclination standing screw movable sliding;First Photogate and the second photogate are separately fixed on the incline of track;Track end is located at by driven pulley, and experiment slide block is placed on magnetic On rail and walk around driven pulley by cotton rope to be connected with scale pan.
Omnibearing adjustable the most according to claim 1 simple maglev type mechanics experiment instrument, it is characterised in that: described track And the cross section of experiment slide block is isosceles triangle shape and cooperates.
Omnibearing adjustable the most according to claim 1 simple maglev type mechanics experiment instrument, it is characterised in that: described track And it is equipped with the thin magnet steel of same sex rectangle inside experiment slide block phase-contact surface.
CN201620276537.5U 2016-04-05 2016-04-05 Omnibearing adjustable simple maglev type mechanics experiment instrument Expired - Fee Related CN205751311U (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105632296A (en) * 2016-04-05 2016-06-01 浙江大学城市学院 Omnidirectional adjustable simple magnetic levitation mechanics experimental instrument

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105632296A (en) * 2016-04-05 2016-06-01 浙江大学城市学院 Omnidirectional adjustable simple magnetic levitation mechanics experimental instrument

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20161130

Termination date: 20170405

CF01 Termination of patent right due to non-payment of annual fee