CN105448179A - Rolling ball type mechanical principle demonstration teaching tool - Google Patents
Rolling ball type mechanical principle demonstration teaching tool Download PDFInfo
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- CN105448179A CN105448179A CN201510952827.7A CN201510952827A CN105448179A CN 105448179 A CN105448179 A CN 105448179A CN 201510952827 A CN201510952827 A CN 201510952827A CN 105448179 A CN105448179 A CN 105448179A
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- bearing seat
- axle
- guide rail
- rotary handle
- ball
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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
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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- Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Physics & Mathematics (AREA)
- Educational Administration (AREA)
- Educational Technology (AREA)
- General Physics & Mathematics (AREA)
- Theoretical Computer Science (AREA)
- Transmission Devices (AREA)
Abstract
The invention relates to a rolling ball type mechanical principle demonstration teaching tool. Based on the mechanical principle, the multi-stage space transmission can be realized, and then the ball can be driven to move. The rolling ball type mechanical principle demonstration teaching tool comprises a vertical ball lifting system, a ball rolling system, a rotating ball lowering system, a ball pushing system, a rotating ball lifting system, and a ball overturning system. Teaching demonstration of a bevel gear transmission mechanism, a chain transmission mechanism, a gear rack mechanism, a worm and gear mechanism, a plane connecting rod mechanism, and a screw rod mechanism, and various mechanical transmission mechanisms can be realized. A rotating handle can be used as the power input end, and can be used for the power output and the motion transmission by the combined mechanical transmission mechanism, and then the ball can be driven to move, and in addition, the demonstration of the compositions, the combination ways, the motion forms of the basic mechanical transmission mechanisms can be carried out, and the interestingness is strong.
Description
Technical field
The present invention relates to a kind of bobbin type mechanical principle demonstration teaching aid.Specifically based on mechanical principle, build Multi-stage transmission mechanism, realize the transmission of multistage space, and then drive spheroid motion, belong to mechanical teaching aid field.
Background technology
Along with developing rapidly of Chinese Industrialization, particularly manufacturing development, society is increasing to the Manpower Requirement of machinery industry.Mechanical principle course teaching significance highlights day by day, but university student has little understanding to mechanical principle aspect knowledge, needs a kind of lively teaching aid aided education intuitively badly.
Mechanical principle teaching aid function singleness more ripe on market, mechanism is diversified not, can not meet the requirement of combined demonstration, and interest and novelty are strong, and bobbin type teaching aid will improve efficiency of teaching greatly.
Although Chinese patent CN204257113U is combined teaching aid, complex structure intuitive and interest are not strong, can not improve the interest of the mechanical principle course of Students ' Learning complexity well.Chinese patent CN204010513U interest increases, and demonstrates the work of four-bar mechanism, but is confined to planar linkage mechanism, can not combined demonstration various mechanism, is thus not easy to Students ' Comprehensive and learns mechanical principle knowledge.Bobbin type teaching aid by combined demonstration various mechanism, and strengthens interest greatly, effectively improves the quality of teaching.
Summary of the invention
For the above-mentioned problems that existing machinery principle teaching aid exists, the invention provides a kind of novel bobbin type mechanical principle demonstration teaching aid.Concretely, be utilize rotary handle as power intake, through combined mechanical gear train, carry out Power output and transmit motion, driving the bobbin type teaching aid of spheroid motion.
Technical scheme provided by the invention is:
A kind of bobbin type mechanical principle demonstration teaching aid, described teaching aid comprises the ball system that vertically rises, spin system, rotating ball system is fallen, system of pushing the ball, rotation rise ball system, turn over ball system.The vertical ball system that rises is made up of (1) frame, (2) bearing seat a, (3) axle a, (4) sprocket wheel a, (5) chain, (6) pallet a, (7) rotary handle a, (8) bearing seat b, (9) sprocket wheel b; Spin system is made up of (10) guide rail a, (11) bearing seat c, (12) pin a, (13) rocking bar a, (14) tooth bar, (15) guide rail b, (16) bearing seat d, (17) gear, (18) rotary handle b, (19) rocking bar b, (20) pin b, (22) bearing seat f, (54) guide rail f, (55) axle f; Rotation is fallen ball system and is made up of (21) bearing seat e, (48) rotation driving lever b, (49) bevel gear b, (50) bearing seat l, (51) rotary handle f, (52) axle e; System of pushing the ball is made up of (23) guide rail c, (24) rotary handle c, (25) worm gear, (26) bearing seat g, (27) worm screw, (46) bearing seat k, (47) axle d; Rotation rises ball system and is made up of (28) bearing seat h, (41) rotation driving lever a, (42) bevel gear a, (43) axle c, (44) bearing seat j, (45) rotary handle e; Turn over ball system to be made up of (29) guide rail d, (30) rotary handle d, (31) bearing seat i, (32) slide block, (33) screw rod, (34) connecting rod, (35) pallet b, (36) axle b, (37) line slideway, (38) helical mount, (39) car body, (40) roller, (53) guide rail e.(1) all parts of this teaching aid of rack support, are made up of stainless-steel tube, and bearing seat is all fixed on (1) frame by threaded fastener, is built-in with bearing, for supporting axis body, and ensures running accuracy.A pair (2) bearing seat a supports (3) axle a, (4) sprocket wheel a is axially fixed on (3) axle a by the shaft shoulder and sleeve, in like manner, a pair (8) bearing seat b supports (3) axle a, (3) axle a is equipped with (9) sprocket wheel b ((3) axle a refers to support respectively the diaxon of (4) sprocket wheel a, (9) sprocket wheel b) herein.(5) chain is fixed with (6) pallet a, vertically rises for carrying spheroid during shake (7) rotary handle a.A pair (11) bearing seat c supports (10) guide rail a, (13) rocking bar a one end connects (10) guide rail a by (12) pin a, the other end connects (14) tooth bar by (12) pin a, in like manner, a pair (16) bearing seat d supports (54) guide rail f, (19) rocking bar b one end connects (54) guide rail f by (20) pin b, and the other end connects (14) tooth bar by (20) pin b.(17) gear is axially fixed on (55) axle f by the shaft shoulder and sleeve, and a pair (16) bearing seat d supports (55) axle f.When ball rises to highest point, just (10) guide rail a is slipped into, hand dynamic (18) rotary handle b, (17) gear rotates, (14) tooth bar is driven laterally to do linear movement, (13) rocking bar a, (19) rocking bar b swing, and then it is connected to realize (10) guide rail a, (15) guide rail b and (54) guide rail f, spheroid, along guide rail movement, moves to end and just falls into (1) frame spiral part.(48) rotating driving lever b is upright " ware " shape, and by upper and lower a pair (21) bearing seat e supporting and fixing, below has fixes (49) bevel gear b by the shaft shoulder and sleeve.A pair (50) bearing seat l supports (52) axle e, end is equipped with (49) bevel gear b ((49) bevel gear b refers to the bevel gear of pair of meshing transmission herein), the other end is equipped with (51) rotary handle f.When shaking (51) rotary handle f, drive (52) axle e to rotate, and then (48) rotating driving lever b rotation, driving spheroid spiral to decline, move to bottom and fall into (23) guide rail c.A pair (26) bearing seat g supports (27) worm screw, (27) worm end is equipped with (24) rotary handle c, (46) bearing seat k supports (47) axle d, (47) axle d has overhanging " ware " shape structure, upper end is equipped with (25) worm gear.When shaking (24) rotary handle c, (25) worm gear is driven to rotate, (25) worm gear and (27) worm mesh transmission, and then (47) axle d drives spheroid to move through (23) guide rail c intermediate annular portion, rear edge (23) guide rail c moves to next spiral part of (1) frame.A pair (44) bearing seat j supports (43) axle c, (43) axle c one end and (42) bevel gear a is housed, the other end is equipped with (45) rotary handle e.A pair (28) bearing seat h supports (41) and rotates driving lever a, and (41) rotate driving lever a bottom and (42) bevel gear a ((42) bevel gear a refers to the bevel gear of pair of meshing transmission herein) is housed.Shake (45) rotary handle e, bevel gear engaged transmission, (41) rotate driving lever a and rotate, and drive spheroid spiral to upper end, after fall into (29) guide rail d.A pair (31) bearing seat i supports (33) screw rod, a pair (32) slide block inside fire attack has screw thread, match with (33) screw rod, below is retrained by the chute of (1) frame, and rigidly fixes with two (34) connecting rods that are connected.(34) connecting rod four or four forms parallelogram, is all connected by pin, composition transversal stretching frame.(39) car body and expansion bracket adopt pin to be connected, and (1) frame are equipped with (37) line slideway.(35) pallet b is fixed on (36) axle b, has and vertical direction brace structure at an angle.Shake (30) rotary handle d, (32) slide block move toward one another, expansion bracket linear extendible, promote (39) body movement, (39) below car body, (40) roller does traverse motion on (37) line slideway, (35) pallet b carries spheroid and moves to (38) helical mount, (35) pallet b brace part touches (1) overturning of machine frame, spheroid drops into (38) helical mount, nature spiral drops to (53) guide rail e, then original position is returned in proper motion, thus this teaching aid teaching demonstration capable of circulation.
The invention has the beneficial effects as follows:
The present invention is to provide a kind of bobbin type mechanical principle demonstration teaching aid, and this teaching aid has following characteristics:
1. multiple mechanical transmission mechanism fully incorporates by the present invention, and intuitive and interest by force, are suitable for Integrated Understanding mechanical principle knowledge;
2. the present invention does power intake with rotary handle, is convenient to students practise study, and hand brain using;
3. the present invention is based on mechanical principle, build the transmission of multistage space, the composition of basic mechanical transmission mechanism, array mode, forms of motion displaying can be carried out, effectively improve the quality of teaching.
Accompanying drawing explanation
Fig. 1 axis of no-feathering mapping of the present invention
Fig. 2 structural front view of the present invention
Fig. 3 is of the present invention vertically rises ball system enlarged diagram
Ball system enlarged diagram falls in Fig. 4 spin system of the present invention and rotation
Fig. 5 system of pushing the ball of the present invention rises ball system enlarged diagram with rotation
Fig. 6 is of the present invention turns over ball system enlarged diagram
In figure, 1. frame; 2, bearing seat a; 3, axle a; 4, sprocket wheel a; 5, chain; 6, pallet a; 7, rotary handle a; 8, bearing seat b; 9, sprocket wheel b; 10, guide rail a; 11, bearing seat c; 12, pin a; 13, rocking bar a; 14, tooth bar; 15, guide rail b; 16, bearing seat d; 17, gear; 18, rotary handle b; 19, rocking bar b; 20, pin b; 21, bearing seat e; 22, bearing seat f; 23, guide rail c; 24 rotary handle c; 25 worm gears; 26, bearing seat g; 27 worm screws; 28, bearing seat h; 29, guide rail d; 30, rotary handle d; 31 bearing seat i; 32, slide block; 33, screw rod; 34, connecting rod; 35, pallet b; 36, axle b; 37, line slideway; 38, helical mount; 39, car body; 40, roller; 41, driving lever a is rotated; 42, bevel gear a; 43, axle c; 44, bearing seat j; 45, rotary handle e; 46, bearing seat k; 47, axle d; 48, driving lever b is rotated; 49, bevel gear b; 50, bearing seat l; 51, rotary handle f; 52, axle e; 53, guide rail e; 54, guide rail f; 55, axle f.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in further detail.
Invent primarily of vertically rising ball system, spin system, rotate and fall ball system, system of pushing the ball, rotate and rise ball system, turn over ball system and form.
As shown in Figure 3, all parts of this teaching aid of (1) rack support, are made up of stainless-steel tube, and bearing seat is all fixed on (1) frame by threaded fastener, is built-in with bearing, for supporting axis body, and ensures running accuracy.A pair (2) bearing seat a supports (3) axle a, (4) sprocket wheel a is axially fixed on (3) axle a by the shaft shoulder and sleeve, in like manner, a pair (8) bearing seat b supports (3) axle a, (3) axle a is equipped with (9) sprocket wheel b ((3) axle a refers to support respectively the diaxon of (4) sprocket wheel a, (9) sprocket wheel b) herein.(5) chain is fixed with (6) pallet a, vertically rises for carrying spheroid during shake (7) rotary handle a.
As shown in Figure 4, a pair (11) bearing seat c supports (10) guide rail a, (13) rocking bar a one end connects (10) guide rail a by (12) pin a, the other end connects (14) tooth bar by (12) pin a, in like manner, a pair (16) bearing seat d supports (54) guide rail f, (19) rocking bar b one end connects (54) guide rail f by (20) pin b, and the other end connects (14) tooth bar by (20) pin b.(17) gear is axially fixed on (55) axle f by the shaft shoulder and sleeve, and a pair (16) bearing seat d supports (55) axle f.When ball rises to highest point, just (10) guide rail a is slipped into, hand dynamic (18) rotary handle b, (17) gear rotates, (14) tooth bar is driven laterally to do linear movement, (13) rocking bar a, (19) rocking bar b swing, and then it is connected to realize (10) guide rail a, (15) guide rail b and (54) guide rail f, spheroid, along guide rail movement, moves to end and just falls into (1) frame spiral part.
As shown in Figure 4, (48) rotate driving lever b is upright " ware " shape, and by upper and lower a pair (21) bearing seat e supporting and fixing, below has fixes (49) bevel gear b by the shaft shoulder and sleeve.A pair (50) bearing seat l supports (52) axle e, end is equipped with (49) bevel gear b ((49) bevel gear b refers to the bevel gear of pair of meshing transmission herein), the other end is equipped with (51) rotary handle f.When shaking (51) rotary handle f, drive (52) axle e to rotate, and then (48) rotating driving lever b rotation, driving spheroid spiral to decline, move to bottom and fall into (23) guide rail c.
As shown in Figure 5, a pair (26) bearing seat g supports (27) worm screw, (27) worm end is equipped with (24) rotary handle c, (46) bearing seat k supports (47) axle d, (47) axle d has overhanging " ware " shape structure, upper end is equipped with (25) worm gear.When shaking (24) rotary handle c, (25) worm gear is driven to rotate, (25) worm gear and (27) worm mesh transmission, and then (47) axle d drives spheroid to move through (23) guide rail c intermediate annular portion, rear edge (23) guide rail c moves to next spiral part of (1) frame.
As shown in Figure 5, a pair (44) bearing seat j supports (43) axle c, (43) axle c one end and (42) bevel gear a is housed, the other end is equipped with (45) rotary handle e.A pair (28) bearing seat h supports (41) and rotates driving lever a, and (41) rotate driving lever a bottom and (42) bevel gear a ((42) bevel gear a refers to the bevel gear of pair of meshing transmission herein) is housed.Shake (45) rotary handle e, bevel gear engaged transmission, (41) rotate driving lever a and rotate, and drive spheroid spiral to upper end, after fall into (29) guide rail d.
As shown in Figure 6, a pair (31) bearing seat i supports (33) screw rod, a pair (32) slide block inside fire attack has screw thread, match with (33) screw rod, below is retrained by the chute of (1) frame, and rigidly fixes with two (34) connecting rods that are connected.(34) connecting rod four or four forms parallelogram, is all connected by pin, composition transversal stretching frame.(39) car body and expansion bracket adopt pin to be connected, and (1) frame are equipped with (37) line slideway.(35) pallet b is fixed on (36) axle b, has and vertical direction brace structure at an angle.Shake (30) rotary handle d, (32) slide block move toward one another, expansion bracket linear extendible, promote (39) body movement, (39) below car body, (40) roller does traverse motion on (37) line slideway, (35) pallet b carries spheroid and moves to (38) helical mount, (35) pallet b brace part touches (1) overturning of machine frame, spheroid drops into (38) helical mount, nature spiral drops to (53) guide rail e, then original position is returned in proper motion, because of teaching aid teaching demonstration capable of circulation for this reason.
Claims (8)
1. a bobbin type mechanical principle demonstration teaching aid, described teaching aid comprises the ball system that vertically rises, spin system, rotate and fall ball system, system of pushing the ball, rotate and rise ball system, turn over ball system, it is characterized in that, structure Multi-stage transmission mechanism, realize the transmission of multistage space, and then drive spheroid motion.
2. a kind of bobbin type mechanical principle demonstration teaching aid according to right 1, it is characterized in that, vertically rise ball system and comprise: (1) frame, (2) bearing seat a, (3) axle a, (4) sprocket wheel a, (5) chain, (6) pallet a, (7) rotary handle a, (8) bearing seat b, (9) sprocket wheel b form.A pair (2) bearing seat a supports (3) axle a, (4) sprocket wheel a is axially fixed on (3) axle a by the shaft shoulder and sleeve, in like manner, a pair (8) bearing seat b supports (3) axle a, (3) (9) sprocket wheel b ((3) axle a refers to support respectively the diaxon of (4) sprocket wheel a, (9) sprocket wheel b) axle a is equipped with herein, (5) chain is fixed with (6) pallet a, vertically rises for carrying spheroid during shake (7) rotary handle a.
3. a kind of bobbin type mechanical principle demonstration teaching aid according to right 1, it is characterized in that, spin system is by (10) guide rail a, (11) bearing seat c, (12) pin a, (13) rocking bar a, (14) tooth bar, (15) guide rail b, (16) bearing seat d, (17) gear, (18) rotary handle b, (19) rocking bar b, (20) pin b, (22) bearing seat f, (54) guide rail f, (55) axle f forms, a pair (11) bearing seat c supports (10) guide rail a, (13) rocking bar a one end connects (10) guide rail a by (12) pin a, the other end connects (14) tooth bar by (12) pin a, another supports (54) guide rail f to (16) bearing seat d, (19) rocking bar b one end connects (54) guide rail f by (20) pin b, the other end connects (14) tooth bar by (20) pin b, (17) gear is axially fixed on (55) axle f by the shaft shoulder and sleeve, a pair (16) bearing seat d supports (55) axle f, when ball rises to highest point, just (10) guide rail a is slipped into, hand dynamic (18) rotary handle b, (17) gear rotates, (14) tooth bar is driven laterally to do linear movement, (13) rocking bar a, (19) rocking bar b swings, and then realizes (10) guide rail a, (15) guide rail b and (54) guide rail f is connected, and spheroid, along guide rail movement, moves to end and just falls into (1) frame spiral part.
4. a kind of bobbin type mechanical principle demonstration teaching aid according to right 1, it is characterized in that, rotation falls ball system by (21) bearing seat e, (48) driving lever b is rotated, (49) bevel gear b, (50) bearing seat l, (51) rotary handle f, (52) axle e forms, (48) rotating driving lever b is upright " ware " shape, by upper and lower a pair (21) bearing seat e supporting and fixing, below has fixes (49) bevel gear b by the shaft shoulder and sleeve, a pair (50) bearing seat l supports (52) axle e, end is equipped with (49) bevel gear b ((49) bevel gear b refers to the bevel gear of pair of meshing transmission herein), the other end is equipped with (51) rotary handle f, when shaking (51) rotary handle f, (52) axle e is driven to rotate, and then (48) rotate driving lever b rotation, spheroid spiral is driven to decline, move to bottom and fall into (23) guide rail c.
5. a kind of bobbin type mechanical principle demonstration teaching aid according to right 1, it is characterized in that, system of pushing the ball is by (23) guide rail c, (24) rotary handle c, (25) worm gear, (26) bearing seat g, (27) worm screw, (46) bearing seat k, (47) axle d forms, a pair (26) bearing seat g supports (27) worm screw, (27) worm end is equipped with (24) rotary handle c, (46) bearing seat k supports (47) axle d, (47) axle d has overhanging " ware " shape structure, upper end is equipped with (25) worm gear, when shaking (24) rotary handle c, (25) worm gear is driven to rotate, (25) worm gear and (27) worm mesh transmission, and then (47) axle d drives spheroid to move through (23) guide rail c intermediate annular portion, next spiral part of (1) frame is moved to afterwards along (23) guide rail c.
6. a kind of bobbin type mechanical principle demonstration teaching aid according to right 1, it is characterized in that, rotate and rise ball system by (28) bearing seat h, (41) driving lever a is rotated, (42) bevel gear a, (43) axle c, (44) bearing seat j, (45) rotary handle e forms, a pair (44) bearing seat j supports (43) axle c, (43) axle c is equipped with one end (42) bevel gear a, the other end is equipped with (45) rotary handle e, a pair (28) bearing seat h supports (41) and rotates driving lever a, (41) rotate driving lever a bottom (42) bevel gear a to be housed ((42) bevel gear a refers to the bevel gear of pair of meshing transmission herein, shake (45) rotary handle e, bevel gear engaged transmission, (41) rotate driving lever a to rotate, drive spheroid spiral to upper end, after fall into (29) guide rail d.
7. a kind of bobbin type mechanical principle demonstration teaching aid according to right 1, it is characterized in that, turn over ball system by (29) guide rail d, (30) rotary handle d, (31) bearing seat i, (32) slide block, (33) screw rod, (34) connecting rod, (35) pallet b, (36) axle b, (37) line slideway, (38) helical mount, (39) car body, (40) roller, (53) guide rail e forms, a pair (31) bearing seat i supports (33) screw rod, a pair (32) slide block inside fire attack has screw thread, match with (33) screw rod, below is retrained by the chute of (1) frame, and rigidly fix with two (34) connecting rods that are connected, (34) connecting rod four or four forms parallelogram, all be connected by pin, composition transversal stretching frame, (39) car body and expansion bracket adopt pin to be connected, (1) frame is equipped with (37) line slideway, (35) pallet b is fixed on (36) axle b, have and vertical direction brace structure at an angle, shake (30) rotary handle d, (32) slide block move toward one another, expansion bracket linear extendible, promote (39) body movement, (39) below car body, (40) roller does traverse motion on (37) line slideway, (35) pallet b carries spheroid and moves to (38) helical mount, (35) pallet b brace part touches (1) overturning of machine frame, spheroid drops into (38) helical mount, nature spiral drops to (53) guide rail e, then original position is returned in proper motion, therefore teaching aid can complete circulation teaching demonstration.
8. a kind of bobbin type mechanical principle demonstration teaching aid according to right 1, it is characterized in that, (1) all parts of this teaching aid of rack support, be made up of stainless-steel tube, bearing seat is all fixed on (1) frame by threaded fastener, being built-in with bearing, for supporting axis body, and ensureing running accuracy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952827.7A CN105448179A (en) | 2015-12-17 | 2015-12-17 | Rolling ball type mechanical principle demonstration teaching tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510952827.7A CN105448179A (en) | 2015-12-17 | 2015-12-17 | Rolling ball type mechanical principle demonstration teaching tool |
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| Publication Number | Publication Date |
|---|---|
| CN105448179A true CN105448179A (en) | 2016-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510952827.7A Pending CN105448179A (en) | 2015-12-17 | 2015-12-17 | Rolling ball type mechanical principle demonstration teaching tool |
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| Country | Link |
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| CN (1) | CN105448179A (en) |
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| CN109841142A (en) * | 2017-11-27 | 2019-06-04 | 中国石油大学(北京) | Transmission mechanism integrated demonstration experimental device |
| CN112263119A (en) * | 2020-10-19 | 2021-01-26 | 中国科学技术馆 | Gear transmission mechanism display device capable of passing balls in air |
| CN112353186A (en) * | 2020-11-17 | 2021-02-12 | 重庆财经职业学院 | Exhibition display visual presentation equipment |
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| CN112263119A (en) * | 2020-10-19 | 2021-01-26 | 中国科学技术馆 | Gear transmission mechanism display device capable of passing balls in air |
| CN112353186A (en) * | 2020-11-17 | 2021-02-12 | 重庆财经职业学院 | Exhibition display visual presentation equipment |
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