CN108091221B - Multifunctional mechanics demonstration device for physics experiments - Google Patents
Multifunctional mechanics demonstration device for physics experiments Download PDFInfo
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- CN108091221B CN108091221B CN201810019804.4A CN201810019804A CN108091221B CN 108091221 B CN108091221 B CN 108091221B CN 201810019804 A CN201810019804 A CN 201810019804A CN 108091221 B CN108091221 B CN 108091221B
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- base
- rotary table
- rotating plate
- groove
- wire wheel
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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
Abstract
The invention discloses a multifunctional mechanics demonstration device for physical experiments, which comprises a base, wherein a wire wheel is arranged on the base, a bearing seat is respectively arranged on the left side and the right side of the wire wheel, a connecting shaft penetrates through the wire wheel, the left end of the connecting shaft is rotatably connected with the bearing seat on the left side through a bearing, the right end of the connecting shaft penetrates through the bearing seat on the right side and is connected with a first rotary table, the first rotary table is connected with a second rotary table through a belt, the second rotary table is fixed on the base through a support rod, and the second rotary table is connected with a third rotary table through a; the base is also provided with a rotating plate, and the lower end of the rotating plate is rotatably connected with the base through a hinge; the rotating plate is provided with a groove, the groove is internally and slidably connected with a tension meter, the upper end of the tension meter is connected with the top end of the groove through a spring, and the lower end of the tension meter is wound on the wire wheel through a steel wire rope. The device is effectual has changed the pulling force to the turning force, and the student of being convenient for understands, alleviates mr's working strength, improves mechanics teaching efficiency.
Description
Technical Field
The invention relates to the field of experiment demonstration devices, in particular to a multifunctional mechanics demonstration device for a physical experiment.
Background
The learning of mechanics is quite abstract, and students cannot visually see the change of mechanics under different conditions during learning, so that the students are difficult to understand and easy to feel boring; the teaching tools used at present are too simple and are not beneficial to demonstrating mechanical changes of different conditions.
Disclosure of Invention
The invention aims to provide a multifunctional mechanics demonstration device for physical experiments to solve the problems in the background technology.
The invention provides a multifunctional mechanics demonstration device for physical experiments, which comprises a base, wherein a wire wheel is arranged on the base, a bearing seat is respectively arranged on the left side and the right side of the wire wheel, a connecting shaft penetrates through the wire wheel, the left end of the connecting shaft is rotatably connected with the bearing seat on the left side through a bearing, the right end of the connecting shaft penetrates through the bearing seat on the right side and is connected with a first rotary table, the first rotary table is connected with a second rotary table through a belt, the second rotary table is fixed on the base through a support rod, and the second rotary table is connected with a third rotary table through a rotating rod; the base is further provided with a rotating plate, a sliding rod is fixedly connected to the rotating plate, two pulleys are arranged on the sliding rod, the pulleys are connected with a balance block through pull ropes, and the lower end of the rotating plate is rotatably connected with the base through a hinge; the steel wire rope tension meter is characterized in that a groove is formed in the rotating plate, friction plates are arranged on two sides of the groove, a tension meter is connected in the groove in a sliding mode, the upper end of the tension meter is connected with the top end of the groove through a spring, a steel wire rope is connected to the lower end of the tension meter, and the other end of the steel wire rope is wound on the wire wheel.
Preferably, a storage box is arranged on the base.
Preferably, the bottom surface of the base is provided with universal wheels.
The invention has the beneficial effects that:
according to the multifunctional mechanics demonstration device for the physical experiment, the third turntable drives the second turntable to rotate, the second turntable drives the first turntable to rotate, when the first turntable rotates clockwise, the steel wire rope on the wire wheel contracts, so that the rotating plate is driven to rise upwards, and the change of the tension along with the rotation of the first turntable can be seen through the tension meter; when first carousel anticlockwise rotation, the wire rope on the line wheel is drawn and is put to make the rotor plate descend downwards, effectually changed the turning force pulling force, the student of being convenient for understands, alleviates mr's working strength, improves mechanics teaching efficiency.
Drawings
FIG. 1 is a schematic structural diagram of a multifunctional mechanics demonstration device for physical experiments according to the present invention;
FIG. 2 is a schematic illustration of a friction plate.
Description of reference numerals:
1. a base; 2. a wire wheel; 3. a bearing seat; 4. a connecting shaft; 5. a first turntable; 6. a second turntable; 7. a third turntable; 8. a rotating plate; 8-1, a groove; 9. a tension meter; 10. a spring; 11. a wire rope; 12. a slide bar; 13. a pulley; 14. pulling a rope; 15. a counterbalance; 16. a storage box; 17; a friction plate.
Detailed Description
An embodiment of the present invention will be described in detail below with reference to the accompanying drawings, but it should be understood that the scope of the present invention is not limited to the embodiment.
As shown in fig. 1-2, an embodiment of the present invention provides a multifunctional mechanics demonstration apparatus for physical experiments, including a base 1, wherein a wire wheel 2 is arranged on the base 1, two bearing seats 3 are respectively arranged on the left and right sides of the wire wheel 2, a connecting shaft 4 is arranged on the wire wheel 2 in a penetrating manner, the left end of the connecting shaft 4 is rotatably connected with the bearing seat 3 on the left side through a bearing, the right end of the connecting shaft 4 passes through the bearing seat 3 on the right side and is connected with a first rotary table 5, the first rotary table 5 is connected with a second rotary table 6 through a belt, the second rotary table 6 is fixed on the base 1 through a support rod, and the second rotary table 6 is connected with a third rotary table 7 through a rotary rod; the base 1 is further provided with a rotating plate 8, a sliding rod 12 is fixedly connected to the rotating plate 8, two pulleys 13 are arranged on the sliding rod 12, the pulleys 13 are connected with a balance block 15 through pull ropes 14, and the lower end of the rotating plate 8 is rotatably connected with the base 1 through a hinge; the rotating plate 8 is provided with a groove 8-1, friction plates 17 are arranged on two sides of the groove 8-1, a tension meter 9 is connected in the groove 8-1 in a sliding mode, the upper end of the tension meter 9 is connected with the top end of the groove 8-1 through a spring 10, the lower end of the tension meter 9 is connected with a steel wire rope 11, and the other end of the steel wire rope 11 is wound on the wire wheel 2.
In the embodiment of the present invention, the base 1 is provided with a storage box 16. The bottom surface of the base 1 is provided with universal wheels.
In summary, in the multifunctional mechanics demonstration device for physical experiments provided by the embodiment of the invention, the third turntable drives the second turntable to rotate, the second turntable drives the first turntable to rotate, when the first turntable rotates clockwise, the steel wire rope on the wire wheel contracts, so that the rotating plate is driven to rise upwards, and the change of the tension along with the rotation of the first turntable can be seen through the tension meter; when first carousel anticlockwise rotation, the wire rope on the line wheel is drawn and is put to make the rotor plate descend downwards, effectually changed the turning force pulling force, the student of being convenient for understands, alleviates mr's working strength, improves mechanics teaching efficiency.
The above disclosure is only for a few specific embodiments of the present invention, however, the present invention is not limited to the above embodiments, and any variations that can be made by those skilled in the art are intended to fall within the scope of the present invention.
Claims (3)
1. The multifunctional mechanics demonstration device for the physics experiments is characterized by comprising a base (1), wherein a wire wheel (2) is arranged on the base (1), bearing seats (3) are respectively arranged on the left side and the right side of the wire wheel (2), a connecting shaft (4) penetrates through the wire wheel (2), the left end of the connecting shaft (4) is rotatably connected with the bearing seat (3) on the left side through a bearing, the right end of the connecting shaft (4) penetrates through the bearing seat (3) on the right side and is connected with a first rotary table (5), the first rotary table (5) is connected with a second rotary table (6) through a belt, the second rotary table (6) is fixed on the base (1) through a support rod, and the second rotary table (6) is connected with a third rotary table (7) through a rotating rod; the base (1) is further provided with a rotating plate (8), a sliding rod (12) is fixedly connected to the rotating plate (8), two pulleys (13) are arranged on the sliding rod (12), a balance block (15) is connected to each pulley (13) through a pull rope (14), and the lower end of the rotating plate (8) is rotatably connected with the base (1) through a hinge; the novel tension meter is characterized in that a groove (8-1) is formed in the rotating plate (8), friction plates (17) are arranged on two sides of the groove (8-1), a tension meter (9) is connected in the groove (8-1) in a sliding mode, the upper end of the tension meter (9) is connected with the top end of the groove (8-1) through a spring (10), a steel wire rope (11) is connected to the lower end of the tension meter (9), and the other end of the steel wire rope (11) is wound on the wire wheel (2).
2. Multifunctional mechanics demonstration device for physical experiments according to claim 1 characterized in that a storage box (16) is arranged on said base (1).
3. The multifunctional mechanics demonstration device for physics experiments according to claim 1 is characterized in that the bottom surface of the base (1) is provided with universal wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019804.4A CN108091221B (en) | 2018-01-09 | 2018-01-09 | Multifunctional mechanics demonstration device for physics experiments |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810019804.4A CN108091221B (en) | 2018-01-09 | 2018-01-09 | Multifunctional mechanics demonstration device for physics experiments |
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| Publication Number | Publication Date |
|---|---|
| CN108091221A CN108091221A (en) | 2018-05-29 |
| CN108091221B true CN108091221B (en) | 2020-03-17 |
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| CN201810019804.4A Active CN108091221B (en) | 2018-01-09 | 2018-01-09 | Multifunctional mechanics demonstration device for physics experiments |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108831255A (en) * | 2018-06-28 | 2018-11-16 | 黑龙江工业学院 | A kind of set with Japanese alphabet study game teaching tool with music function |
| CN108806420B (en) * | 2018-06-30 | 2020-05-01 | 徐百林 | Multifunctional mechanics experimental device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2545661Y (en) * | 2002-02-21 | 2003-04-16 | 李佃峰 | Experimental device of measuring sliding friction force for teaching |
| CN201226195Y (en) * | 2008-01-29 | 2009-04-22 | 施瑞华 | Simulation demonstration instrument for rotary table friction force direction |
| CN204390560U (en) * | 2014-12-31 | 2015-06-10 | 宿州学院 | A kind of mechanical teaching aid |
| CN205959485U (en) * | 2016-05-31 | 2017-02-15 | 李北斗 | Sound friction force measuring device for physics experiments |
| CN206726592U (en) * | 2017-04-26 | 2017-12-08 | 刘金昊 | A kind of multifunctional comprehensive mechanics apparatus for demonstrating |
-
2018
- 2018-01-09 CN CN201810019804.4A patent/CN108091221B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2545661Y (en) * | 2002-02-21 | 2003-04-16 | 李佃峰 | Experimental device of measuring sliding friction force for teaching |
| CN201226195Y (en) * | 2008-01-29 | 2009-04-22 | 施瑞华 | Simulation demonstration instrument for rotary table friction force direction |
| CN204390560U (en) * | 2014-12-31 | 2015-06-10 | 宿州学院 | A kind of mechanical teaching aid |
| CN205959485U (en) * | 2016-05-31 | 2017-02-15 | 李北斗 | Sound friction force measuring device for physics experiments |
| CN206726592U (en) * | 2017-04-26 | 2017-12-08 | 刘金昊 | A kind of multifunctional comprehensive mechanics apparatus for demonstrating |
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| CN108091221A (en) | 2018-05-29 |
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Application publication date: 20180529 Assignee: HARBIN DONGZHUAN TECHNOLOGY Co.,Ltd. Assignor: HEIHE University Contract record no.: X2021230000005 Denomination of invention: Multi functional mechanical demonstration device for physical experiment Granted publication date: 20200317 License type: Exclusive License Record date: 20210225 |