CN203895007U - Circular motion comprehensive experimental platform - Google Patents
Circular motion comprehensive experimental platform Download PDFInfo
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- CN203895007U CN203895007U CN201420291348.6U CN201420291348U CN203895007U CN 203895007 U CN203895007 U CN 203895007U CN 201420291348 U CN201420291348 U CN 201420291348U CN 203895007 U CN203895007 U CN 203895007U
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- circular motion
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- slide rail
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Abstract
The utility model belongs to belongs to education or demonstration appliances and relates to a circular motion comprehensive experimental platform, in particular, an experimental device used for demonstrating circular motion in physics. The circular motion comprehensive experimental platform is characterized in that the circular motion comprehensive experimental platform includes a box type base, a power device installed in the box type base, an intra-horizontal plane circular motion demonstration device installed on the surface of the box type base, and a centripetal force testing device. With the circular motion comprehensive experimental platform of the utility model adopted, a plurality of kinds of typical circular motion in a horizontal plane can be completed, especially, strange force phenomena can be demonstrated, for example, a side attachment phenomenon, namely, a phenomenon that a side elastic force provides a centripetal force can be verified. With a control variable method adopted, the relationships between centripetal force, mass, rotation speed and radius can be accurately verified. The circular motion comprehensive experimental platform can demonstrate experimental phenomena vividly and visually, and is simple in structure. The circular motion comprehensive experimental platform is a novel teaching aid for middle school physics teaching.
Description
Technical field
The utility model belongs to education or demonstration equipment; Especially for the experimental provision of circular motion in demonstration physics.
Background technology
Circular motion is important physical motion, contact application widely in productive life, but at present, about the experimental demonstration equipment of circular motion, function is simple, single, is to rest in qualitative aspect substantially.Phenomenon to some typical cases, peculiar power cannot show student's (such as side attachment phenomenon, side elastic force provides centripetal force) can only allow student contact real daily life on classroom, carries out space imagination.CN203480737U discloses one and has probed into centripetal force demonstrator, its structure is that reducing motor is fixed in bearing inner race, iron rod is fixedly connected with the inner ring of bearing, shaft coupling is fixedly connected with the outer ring of bearing by band iron, the outer ring of bearing is fixedly connected with cant beam, described cant beam is with respect to the symmetrical placement of bearing, the top of cant beam is fixed with metal trough, one end of metal trough is fixed with miniature electronic and claims, described miniature electronic claims vertical placement, and the lower position correspondence that miniature electronic claims is placed with portable speed-measuring instrument.Only can demonstrate the size of centripetal force, CN203134213U discloses a kind of centripetal force experimental provision, comprise base, pallet, dynamometer, swiveling wheel, swingle and change speed motor, described base is rectangular frame structure, at the horizontal tray of a side roof part, opposite side is installed dynamometer, in inner side, base stage casing, change speed motor is installed; Described pallet is disc-shaped structure, and swiveling wheel is installed in below, the center of circle, and the top of swiveling wheel is placed on end face through the pallet center of circle, crosses installation swingle on swiveling wheel top, at swingle one end sleeve, centrifugal globe is installed; Swiveling wheel is connected by belt conduction device with change speed motor; Longitudinal axis center place at swiveling wheel offers hole, introduces a draught line through hole; One end of described draught line is connected with centrifugal globe, and the other end is connected with dynamometer.Also only can show the relation of centripetal force and rotating speed, CN202013680U discloses a kind of Multifunctional centripetal force measuring rotary table, although compared with prior art, adopt variable-frequency power sources to drive the mode of synchronous motor to realize uniform rotation, speed governing and meter speed settle at one go, without electromagnetism or photoelectrical velocity measure equipment; Utilize handheld electronic scale to replace spring balance or pulling force sensor, thereby removed DIS experimental system from; Replace crossbeam with rotating disk, without counterweight, make to rotate more stable.But cannot demonstrate the experiment of planar circumferential motion.
Utility model content
In order to overcome existing experimental facilities function singleness, be not suitable for the deficiency that middle school teaching uses, the utility model provides a kind of circular motion synthesis experiment platform, and this circular motion synthesis experiment platform not only can the various circular motion phenomenons of qualitative demonstration, and measurement centripetal force that can be quantitative.
The utility model solves the technical scheme that its technical matters adopts: a kind of circular motion synthesis experiment platform, it is characterized in that: comprise box type substructure, be arranged on the propulsion system in box type substructure, be arranged on surface level inner periphery motion demonstrating device, centripetal force proving installation on box type substructure table top
Described propulsion system comprise arrangements for speed regulation and the power switch of motor and control motor speed, and motor shaft and main shaft use spiral sleeve to be mounted in the bearing on box type substructure table top,
Described surface level inner periphery motion demonstrating device comprises the transparent tank of the circle being fixed on main shaft, and this bottom of gullet is fixed wtih speed cycle dish, is placing mobilizable test block in groove.
Described centripetal force proving installation comprises the upper horizontal slide rail being fixed on main shaft, lower horizontal slide rail, cylindrical slider is enclosed within upper, lower horizontal on slide rail, upper, lower horizontal is fixed wtih dynamometry cross bar on the main shaft between slide rail, between dynamometry cross bar and cylindrical slider, dynamometer spring is housed, laterally on the box type substructure table top of slide rail below, rule and spring balance panel is installed.
Described spindle top is provided with groove, and the swing ball that is connecting cotton rope is housed in groove.
Described surface level inner periphery motion demonstrating device also comprises side attachment phenomenon demonstrator, and this device is made up of the L-type metal bracket that is fixed on the fixed mount on main shaft and can move up and down in fixed mount, and the horizontal component front end of L-type metal bracket is U-shaped.
Described centripetal force proving installation also comprises cylindrical slider movement locus pen recorder, and this pen recorder is made up of with the transparent small hose that is connected ram pump and cylindrical slider bottom tip the ram pump being fixed on main shaft, and hose end is equipped with injection needle.
Described arrangements for speed regulation are inductance arrangements for speed regulation, electrically-actuated throttle device or RHVC.
Described upper horizontal slide rail is fixed wtih mass on the reverse direction that cylindrical slider is housed.
Described cylindrical slider is made up of slide block core and the slide block set that covers on slide block core appearance, and slide block set can take off separately.
Using method of the present utility model is: 1. the test block of placing unlike material and quality in the bottom of the transparent tank of circle, starter motor makes circular transparent tank rotation, can observe the difference of centrifugal force under different rotating speeds, 2. mention L-type metal bracket and place near circular transparent inboard wall of cistern place the test block that resilient material is made at bracket, then starter motor makes circular transparent tank rotation fall L-type metal bracket, can observe resilient material is made in the time that rotating speed reaches certain speed test block due to side elastic force, the effect of friction force is attached to circular transparent inboard wall of cistern and can not falls, 3. in the groove of main shaft, take out swing ball, starter motor makes main shaft rotation can observe rotating speed difference, tie up to the drift angle difference of the circular cone track of the cotton rope formation on swing ball, 4. pass through control variate method, checking centripetal force, quality, rotating speed, when the relation of radius is tested, directly coil from the top observation cycle, readout interval.Regulate the rotating speed of motor by speed-regulating switch, the different cycles value that can read 0.4s, 0.5s, 0.6s, 0.8s, 1.0s, 1.2s on cycle dish.In ram pump, suck water, when regulating the rotating speed of motor, cycle stability on cycle dish is in the time of a certain numerical value, touch fast the piston of ram pump, water is by transparent small hose, be arranged on the injection needle ejection of hose end from being fixed on cylindrical slider bottom, be sprinkled upon on the spring balance panel and rule of box type substructure table top.By reading the numerical value of spring balance panel, rule, can read the suffered spring tension of cylindrical slider, and moving radius.And slide block core quality 0.1Kg, the slide block set quality 0.05Kg of cylindrical slider, dismounting slide block can change the quality of research object very easily.
The beneficial effects of the utility model are typical circular motion, the particularly phenomenon of peculiar power that this experiment porch can complete multinomial surface level energy, and such as side attachment phenomenon, side elastic force provides centripetal force to verify.By control variate method, verify more accurately the relation of centripetal force, quality, rotating speed, radius.Equipment is visual in image, simple in structure, for middle school physics teaching provides a kind of Novel teaching aid.
Brief description of the drawings
Fig. 1 is longitudinal profile of the present utility model structural map,
Fig. 2 is the left view of Fig. 1,
Fig. 3 is the vertical view of Fig. 1,
Fig. 4 is circuit theory diagrams of the present utility model.
In figure, 1. motor, 2. arrangements for speed regulation, 3. power switch, 4. power supply, 5. motor shaft, 6. box type substructure table top, 7. bearing, 8. time horizontal slide rail, 9. dynamometry cross bar, 10. mass, horizontal slide rail on 11., 12. main shafts, 13. cycle dishes, 14. circular transparent tanks, 15. unit of plastics, 16.L type metal bracket, 17. fixed mounts, 18. grooves, 19. ram pumps, 20. transparent small hoses, 21. cylindrical sliders, 211. slide block cores, 212. slide block sets, 22. dynamometer springs, 23. rules, 24. spring balance panels, 25. swing balls.
Embodiment
Embodiment of the present utility model is, as shown in the figure:
Embodiment 1, a kind of circular motion synthesis experiment platform, is characterized in that: comprises box type substructure, is arranged on the propulsion system in box type substructure, be arranged on surface level inner periphery motion demonstrating device, centripetal force proving installation on box type substructure table top 6,
Described propulsion system comprise inductance type arrangements for speed regulation 2 and the power switch 3 of motor 1 and control motor speed, and motor shaft 5 uses spiral sleeve to be mounted in the bearing 7 on box type substructure table top with main shaft 12,
Described surface level inner periphery motion demonstrating device comprises the transparent tank 14 of the circle being fixed on main shaft, and this bottom of gullet is fixed wtih speed cycle dish 13, is placing mobilizable test block in groove.
Described centripetal force proving installation comprises the upper horizontal slide rail 11 being fixed on main shaft, lower horizontal slide rail 8, cylindrical slider 21 is enclosed within upper, lower horizontal on slide rail, upper, lower horizontal is fixed wtih dynamometry cross bar 9 on the main shaft between slide rail, dynamometer spring 22 is housed between dynamometry cross bar and cylindrical slider, laterally on the box type substructure table top of slide rail below, rule 23 and spring balance panel 24 is installed.
Embodiment 2, a kind of circular motion synthesis experiment platform, is characterized in that: comprises box type substructure, is arranged on the propulsion system in box type substructure, be arranged on surface level inner periphery motion demonstrating device, centripetal force proving installation on box type substructure table top 6,
Described propulsion system comprise electronic type arrangements for speed regulation 2 and the power switch 3 of motor 1 and control motor speed, and motor shaft 5 uses spiral sleeve to be mounted in the bearing 7 on box type substructure table top with main shaft 12,
Described surface level inner periphery motion demonstrating device comprises the transparent tank 14 of the circle being fixed on main shaft, and this bottom of gullet is fixed wtih speed cycle dish 13, is placing mobilizable test block in groove.
Described centripetal force proving installation comprises the upper horizontal slide rail 11 being fixed on main shaft, lower horizontal slide rail 8, cylindrical slider 21 is enclosed within upper, lower horizontal on slide rail, upper, lower horizontal is fixed wtih dynamometry cross bar 9 on the main shaft between slide rail, dynamometer spring 22 is housed between dynamometry cross bar and cylindrical slider, laterally on the box type substructure table top of slide rail below, rule 23 and spring balance panel 24 is installed.
Described spindle top is provided with groove 18, and the swing ball 25 that is connecting cotton rope is housed in groove.
Described surface level inner periphery motion demonstrating device also comprises side attachment phenomenon demonstrator, this device forms by be fixed on the fixed mount 17 on main shaft and the L-type metal bracket 16 that can move up and down in fixed mount, and the horizontal component front end of L-type metal bracket is U-shaped.
Embodiment 3, a kind of circular motion synthesis experiment platform, is characterized in that: comprises box type substructure, is arranged on the propulsion system in box type substructure, be arranged on surface level inner periphery motion demonstrating device, centripetal force proving installation on box type substructure table top 6,
Described propulsion system comprise RHVC 2 and the power switch 3 of motor 1 and control motor speed, and motor shaft 5 uses spiral sleeve to be mounted in the bearing 7 on box type substructure table top with main shaft 12,
Described surface level inner periphery motion demonstrating device comprises the transparent tank 14 of the circle being fixed on main shaft, and this bottom of gullet is fixed wtih speed cycle dish 13, is placing mobilizable test block in groove.
Described centripetal force proving installation comprises the upper horizontal slide rail 11 being fixed on main shaft, lower horizontal slide rail 8, cylindrical slider 21 is enclosed within upper, lower horizontal on slide rail, upper, lower horizontal is fixed wtih dynamometry cross bar 9 on the main shaft between slide rail, dynamometer spring 22 is housed between dynamometry cross bar and cylindrical slider, laterally on the box type substructure table top of slide rail below, rule 23 and spring balance panel 24 is installed.
Described spindle top is provided with groove 18, and the swing ball 25 that is connecting cotton rope is housed in groove.
Described surface level inner periphery motion demonstrating device also comprises side attachment phenomenon demonstrator, this device forms by be fixed on the fixed mount 17 on main shaft and the L-type metal bracket 16 that can move up and down in fixed mount, and the horizontal component front end of L-type metal bracket is U-shaped.
Described centripetal force proving installation also comprises cylindrical slider movement locus pen recorder, and this pen recorder is made up of with the transparent small hose 20 that is connected ram pump and cylindrical slider bottom tip the ram pump 19 being fixed on main shaft.
Described upper horizontal slide rail is fixed wtih mass 10 on the reverse direction that cylindrical slider is housed.Described cylindrical slider is made up of slide block core 211 and the slide block set 212 that covers on slide block core appearance, and slide block set can take off separately.
Claims (7)
1. a circular motion synthesis experiment platform, is characterized in that: comprises box type substructure, is arranged on the propulsion system in box type substructure, be arranged on surface level inner periphery motion demonstrating device, centripetal force proving installation on box type substructure table top,
Described propulsion system comprise arrangements for speed regulation and the power switch of motor and control motor speed, and motor shaft and main shaft use spiral sleeve to be mounted in the bearing on box type substructure table top,
Described surface level inner periphery motion demonstrating device comprises the transparent tank of the circle being fixed on main shaft, and this bottom of gullet is fixed wtih speed cycle dish, is placing mobilizable test block in groove,
Described centripetal force proving installation comprises the upper horizontal slide rail being fixed on main shaft, lower horizontal slide rail, cylindrical slider is enclosed within upper, lower horizontal on slide rail, upper, lower horizontal is fixed wtih dynamometry cross bar on the main shaft between slide rail, between dynamometry cross bar and cylindrical slider, dynamometer spring is housed, laterally on the box type substructure table top of slide rail below, rule and spring balance panel is installed.
2. circular motion synthesis experiment platform according to claim 1, is characterized in that: described spindle top is provided with groove, and the swing ball that is connecting cotton rope is housed in groove.
3. circular motion synthesis experiment platform according to claim 1, it is characterized in that: described surface level inner periphery motion demonstrating device also comprises side attachment phenomenon demonstrator, this device is made up of the L-type metal bracket that is fixed on the fixed mount on main shaft and can move up and down in fixed mount, and the horizontal component front end of L-type metal bracket is U-shaped.
4. circular motion synthesis experiment platform according to claim 1, it is characterized in that: described centripetal force proving installation also comprises cylindrical slider movement locus pen recorder, this pen recorder is made up of with the transparent small hose that is connected ram pump and cylindrical slider bottom tip the ram pump being fixed on main shaft, and hose end is equipped with injection needle.
5. circular motion synthesis experiment platform according to claim 1, is characterized in that: described arrangements for speed regulation are inductance arrangements for speed regulation, electrically-actuated throttle device or RHVC.
6. circular motion synthesis experiment platform according to claim 1, is characterized in that: described upper horizontal slide rail is fixed wtih mass on the reverse direction that cylindrical slider is housed.
7. circular motion synthesis experiment platform according to claim 1, is characterized in that: described cylindrical slider is made up of slide block core and the slide block set that covers on slide block core appearance, and slide block set can take off separately.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291348.6U CN203895007U (en) | 2014-06-03 | 2014-06-03 | Circular motion comprehensive experimental platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420291348.6U CN203895007U (en) | 2014-06-03 | 2014-06-03 | Circular motion comprehensive experimental platform |
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| Publication Number | Publication Date |
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| CN203895007U true CN203895007U (en) | 2014-10-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420291348.6U Expired - Fee Related CN203895007U (en) | 2014-06-03 | 2014-06-03 | Circular motion comprehensive experimental platform |
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| CN (1) | CN203895007U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971566A (en) * | 2014-06-03 | 2014-08-06 | 济南市长清中学 | Circular motion comprehensive-experiment platform |
| CN104575187A (en) * | 2015-01-30 | 2015-04-29 | 王振环 | Kinetics study apparatus of vertical plane |
| CN105070155A (en) * | 2015-09-11 | 2015-11-18 | 孟凡尧 | Circular motion teaching demonstration instrument and use method thereof |
| CN106373465A (en) * | 2016-11-15 | 2017-02-01 | 合肥探奥自动化有限公司 | Demonstration and interaction device for exploring circular motion |
| CN106910399A (en) * | 2017-03-16 | 2017-06-30 | 浙江大学城市学院 | A kind of novel centripetal force quantitative comparison and demonstration test instrument |
| CN107025828A (en) * | 2017-04-28 | 2017-08-08 | 浙江大学城市学院 | Centripetal force is demonstrated and quantitative verification experiment instrument |
| CN107342000A (en) * | 2017-08-31 | 2017-11-10 | 湖南惟楚科教实训室设备有限公司 | Demonstrator is transmitted in a kind of rational mechanics motion |
| CN108597306A (en) * | 2018-04-24 | 2018-09-28 | 黄河科技学院 | A kind of ideology and politics classroom educational interaction tool |
-
2014
- 2014-06-03 CN CN201420291348.6U patent/CN203895007U/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103971566A (en) * | 2014-06-03 | 2014-08-06 | 济南市长清中学 | Circular motion comprehensive-experiment platform |
| CN103971566B (en) * | 2014-06-03 | 2016-08-17 | 济南市长清中学 | Circular motion synthesis experiment platform |
| CN104575187A (en) * | 2015-01-30 | 2015-04-29 | 王振环 | Kinetics study apparatus of vertical plane |
| CN104575187B (en) * | 2015-01-30 | 2017-02-22 | 青岛农业大学 | Kinetics study apparatus of vertical plane |
| CN105070155A (en) * | 2015-09-11 | 2015-11-18 | 孟凡尧 | Circular motion teaching demonstration instrument and use method thereof |
| CN106373465A (en) * | 2016-11-15 | 2017-02-01 | 合肥探奥自动化有限公司 | Demonstration and interaction device for exploring circular motion |
| CN106910399A (en) * | 2017-03-16 | 2017-06-30 | 浙江大学城市学院 | A kind of novel centripetal force quantitative comparison and demonstration test instrument |
| CN107025828A (en) * | 2017-04-28 | 2017-08-08 | 浙江大学城市学院 | Centripetal force is demonstrated and quantitative verification experiment instrument |
| CN107025828B (en) * | 2017-04-28 | 2022-10-18 | 浙江大学城市学院 | Centripetal force demonstration and quantitative verification experimental instrument |
| CN107342000A (en) * | 2017-08-31 | 2017-11-10 | 湖南惟楚科教实训室设备有限公司 | Demonstrator is transmitted in a kind of rational mechanics motion |
| CN108597306A (en) * | 2018-04-24 | 2018-09-28 | 黄河科技学院 | A kind of ideology and politics classroom educational interaction tool |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20141022 Termination date: 20160603 |