CN203950497U - Planet circular system simulation teaching aid - Google Patents
Planet circular system simulation teaching aid Download PDFInfo
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- CN203950497U CN203950497U CN201420398541.XU CN201420398541U CN203950497U CN 203950497 U CN203950497 U CN 203950497U CN 201420398541 U CN201420398541 U CN 201420398541U CN 203950497 U CN203950497 U CN 203950497U
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- circular system
- central shaft
- planet circular
- support abutment
- gear
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Abstract
Planet circular system simulation teaching aid, relate to a kind of teaching aid of simulating planet circular system motion, be provided with a planet circular system analogue means, in this planet circular system analogue means, be provided with a rotation and be arranged on central shaft and the swivel arm on bearing, on central shaft, be installed with the sun gear of the different numbers of teeth, and central shaft is through a fixed gear being installed on bearing, on swivel arm, be provided with the planetary gear set of a plurality of different number of teeth proportionings, planetary gear in different planetary gear set is different from the ratio of gear of the sun gear on central shaft, in order to demonstrate different movement effects, by motion sensor and the message handler being arranged in planet circular system analogue means, will after the movable information processing such as the rotation direction of central shaft and planetary wheel carrier and rotating speed, be presented on multimedia display screen, the simulation animation of simultaneously showing train motion state.The utility model can be demonstrated out the locking phenomenon of 2K-H planet circular system and the situation of change of train rotation direction etc., has improved well teaching efficiency.
Description
Technical field
The utility model relates to a kind of teaching aid of simulating planet circular system motion, is specially planet circular system simulation teaching aid.
Background technology
Planet circular system is a kind of typical cyclic train, is to consist of planetary gear, planet carrier and sun gear.The forms of motion of planet circular system is just the same with solar motion, and when planet revolves around the sun, also in rotation, and the sun is only done rotation.Planet circular system of a great variety, wherein 2K-H type planet circular system is very typical, the widely used planet circular system of a class.In 2K-H type planet circular system, along with the difference of the gear number of teeth, produce sometimes " locking phenomenon ", the rotation direction of train can change sometimes, just identical with sense of rotation as the planet revolution direction having in the solar system and have contrary.
In teaching at ordinary times, the rotation direction of classmates' gear reality during to the motion principle of this class planet circular system and planet circular system transmission has produced many doubt and has not understood, therefore, design and produce 2K-H planet circular system teaching aid, can be so that classmates learn, understand this train better in classroom.
Utility model content
The purpose of this utility model is just to provide a kind of teaching aid that can simulate the motion of 2K-H type planet circular system, to enrich the content of education, improves teaching efficiency.
For achieving the above object, the technical solution of the utility model is: planet circular system simulation teaching aid, be provided with a planet circular system analogue means, in this planet circular system analogue means, be provided with left support abutment and right support abutment, between left support abutment and right support abutment, be rotationally connected a central shaft, on central shaft, be installed with the sun gear of two different numbers of teeth, on left support abutment, be installed with a fixed gear, central shaft passes from this gear centre, on right support abutment, be rotationally connected a swivel arm being rotated by handle drives, on swivel arm, by back shaft, connect a bracing frame, on bracing frame, around back shaft, be provided with a plurality of planetary wheel carriers, on each planetary wheel carrier, be equipped with a planet axis and two planetary gears that are individually fixed in planet axis two ends, planet axis is located on planetary wheel carrier and with planetary wheel carrier and is rotationally connected, two planetary gears on each planetary wheel carrier can mesh with a sun gear that is installed in the fixed gear on left support abutment and be installed on central shaft respectively, two planetary gears on same planetary wheel carrier have the different numbers of teeth, and the planetary gear on different rows star wheel frame is different from the ratio of gear of sun gear on central shaft, on described left support abutment and right support abutment, be respectively equipped with one for the motion sensor of measuring center axle and bracing frame rotation direction and rotating speed, the signal output part of motion sensor is connected to message handler, the data output end of message handler is connected with multimedia display screen.
Beneficial effect: the utility model can be demonstrated out the locking phenomenon of 2K-H planet circular system and the situation of change of train rotation direction etc., and the kinematic parameter of 2K-H planet circular system and simulation animation are intuitively shown simultaneously, it has contained many-sided knowledge point in planet circular system teaching, promote well teaching efficiency, improved the present situation that lacks practical teaching aid in the teaching of 2K-H planet circular system.The utility model teaching aid is applicable to the various teaching occasionses such as multimedia, non-multimedia and laboratory, takes up room little, easy to carry, and each Element Design is simple, and easy to process, material is easy to get.
Accompanying drawing explanation
Fig. 1 is the structural representation of planet circular system analogue means of the present utility model.
Fig. 2 is the wiring layout of planet circular system analogue means of the present utility model.
In figure, be labeled as: 1, left support abutment, 2, right support abutment, 3, central shaft, 4, swivel arm, 5, back shaft, 6, planetary wheel carrier, 7, handle, 8, right axle sleeve, 9, left axle sleeve, 10, planet axis.
Embodiment
As depicted in figs. 1 and 2, planet circular system simulation teaching aid, be provided with a planet circular system analogue means, in this planet circular system analogue means, be provided with left support abutment 1 and right support abutment 2, left support abutment 1 and right support abutment 2 are fixed on base, between left support abutment 1 and right support abutment 2, be rotationally connected a central shaft 3, in left support abutment 1 and right support abutment 2, be respectively equipped with left axle sleeve 9 and right axle sleeve 8, central shaft 3 one end are passed from left axle sleeve 9 centers, the other end is arranged in right axle sleeve 8, right axle sleeve 8 is arranged in right support abutment 2 by bearing, left axle sleeve 9 is installed on left support abutment 1, on left axle sleeve 9, be installed with the gear of 39 teeth, central shaft 3 passes from this gear centre, on central shaft 3, by key, connect two numbers of teeth and be respectively 37 and 41 sun gear.In one end of right axle sleeve 8, be connected with swivel arm 4, the other end is connected with handle 7, swivel arm 4 and handle 7 link together by right axle sleeve 8, on swivel arm 4, by back shaft 5, connect a bracing frame, on bracing frame, around back shaft 5, be provided with a plurality of planetary wheel carriers 6, one end of back shaft 5 is connected on swivel arm 4, and the other end is located in the bolt hole of bracing frame center setting, and fixes by nut.Planetary wheel carrier 6 can be set to three, it is the handle that stretches out of different length, each stretches out and on handle, is equipped with a planet axis 10 and two planetary gears that are individually fixed in planet axis 10 two ends, form a planetary gear set, planet axis 10 is located on planetary wheel carrier 6 and with planetary wheel carrier 6 and is rotationally connected, two planetary gears in each planetary gear set have different number of teeth proportionings, wherein, the planetary gear number of teeth proportioning of three planetary gear set is 18 tooth-16 teeth, 14 tooth-16 teeth, 41 tooth-39 teeth, three planetary gear set respectively with central shaft 3 on two gears of 39 tooth-41 tooth, 39 two, tooth-37 tooth gears, 39 two, tooth-41 tooth gear engagements, gear engagement on the planetary gear set of three different number of teeth proportionings and central shaft 3 can obtain respectively three kinds of motion results, 41 tooth-39 gear planetary wheel groups form gear train in the same way, the rotation direction that is planetary wheel carrier 6 is identical with the rotation direction of central shaft 3, its ratio of gear is 12:1, and the efficiency calculation value of its revesal is negative value, can demonstrate out " self-locking " phenomenon of mechanism, 18 tooth-16 gear planetary wheel groups also can form gear train in the same way, and its ratio of gear is 6:1, 14 tooth-16 gear planetary wheel groups can form reverse drive mechanism, i.e. the direction of rotation of the rotation direction of planetary wheel carrier 6 and central shaft 3, and its ratio of gear is 5:1.Two planetary gears in each planetary gear set can mesh with a sun gear that is installed in the gear of 39 teeth on left support abutment 1 and be installed on central shaft 3 respectively.When some planetary gear set are when being positioned at the engagement of gear on central shaft 3, other two planetary gear set are idle, while needing, the nut of back shaft 5 ends is unclamped, rotary support frame is so that the engagement of gear on other planetary gear set and central shaft 3, to realize freely changing of three planetary gear set.On left support abutment 1 and right support abutment 2, be respectively equipped with one for the motion sensor of measuring center axle 3 and bracing frame rotation direction and rotating speed, wherein bracing frame is structure as a whole or is fixedly connected with planetary wheel carrier 6, therefore rotation direction and the rotating speed of bracing frame are identical with rotation direction and the rotating speed of planetary wheel carrier 6, the signal output part of motion sensor is connected to message handler, and the data output end of message handler is connected with multimedia display screen.Motion sensor passes to message handler by movable informations such as the rotation direction of the central shaft of measurement 3 and bracing frame and rotating speeds, message handler changes into the data that receive the topmost data of train such as ratio of gear, rotation direction, efficiency and rotating speed of train, and on multimedia display screen, the data after processing are shown, and show the simulation animation of train motion state simultaneously.
Claims (3)
1. planet circular system simulation teaching aid, it is characterized in that: be provided with a planet circular system analogue means, in this planet circular system analogue means, be provided with left support abutment (1) and right support abutment (2), between left support abutment (1) and right support abutment (2), be rotationally connected a central shaft (3), on central shaft (3), be installed with the sun gear of two different numbers of teeth, on left support abutment (1), be installed with a fixed gear, central shaft (3) passes from this gear centre, on right support abutment (2), be rotationally connected a swivel arm (4) that is driven rotation by handle (7), swivel arm (4) is upper connects a bracing frame by back shaft (5), on bracing frame, around back shaft (5), be provided with a plurality of planetary wheel carriers (6), on each planetary wheel carrier (6), be equipped with a planet axis (10) and two planetary gears that are individually fixed in planet axis (10) two ends, planet axis (10) is located in planetary wheel carrier (6) above and is rotationally connected with planetary wheel carrier (6), two planetary gears on each planetary wheel carrier (6) can mesh with a sun gear that is installed in the fixed gear on left support abutment (1) and be installed on central shaft (3) respectively, two planetary gears on same planetary wheel carrier (6) have the different numbers of teeth, and the planetary gear on different rows star wheel frame (6) is different from the ratio of gear of sun gear on central shaft (3), on described left support abutment (1) and right support abutment (2), be respectively equipped with one for the motion sensor of measuring center axle (3) and bracing frame rotation direction and rotating speed, the signal output part of motion sensor is connected to message handler, the data output end of message handler is connected with multimedia display screen.
2. planet circular system simulation teaching aid as claimed in claim 1, is characterized in that: it is upper that one end of described back shaft (5) is connected to swivel arm (4), and the other end is located in the bolt hole of bracing frame center setting, and fixes by nut.
3. planet circular system simulation teaching aid as claimed in claim 1, it is characterized in that: the right axle sleeve (8) being arranged in right support abutment (2) by rotation between described swivel arm (4) and handle (7) connects, and one end of central shaft (3) is rotated and is arranged in right axle sleeve (8).
Priority Applications (1)
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CN201420398541.XU CN203950497U (en) | 2014-07-18 | 2014-07-18 | Planet circular system simulation teaching aid |
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CN201420398541.XU CN203950497U (en) | 2014-07-18 | 2014-07-18 | Planet circular system simulation teaching aid |
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CN201420398541.XU Expired - Fee Related CN203950497U (en) | 2014-07-18 | 2014-07-18 | Planet circular system simulation teaching aid |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104143285A (en) * | 2014-07-18 | 2014-11-12 | 河南科技大学 | Planetary gear train simulation teaching tool |
CN104575230A (en) * | 2014-12-19 | 2015-04-29 | 福建工程学院 | Experimental device for calculation and verification of transmission ratio and comprehensive structural analysis of gear train |
CN105761604A (en) * | 2016-04-27 | 2016-07-13 | 安徽工业大学 | Multifunctional modular planetary transmission teaching aid |
CN107665629A (en) * | 2014-11-23 | 2018-02-06 | 合肥龙精灵信息技术有限公司 | Train teaching aid |
CN111947964A (en) * | 2020-07-08 | 2020-11-17 | 北京卫星制造厂有限公司 | Planet wheel transposition centrifugal directional sampler suitable for extraterrestrial celestial body |
-
2014
- 2014-07-18 CN CN201420398541.XU patent/CN203950497U/en not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104143285A (en) * | 2014-07-18 | 2014-11-12 | 河南科技大学 | Planetary gear train simulation teaching tool |
CN107665629A (en) * | 2014-11-23 | 2018-02-06 | 合肥龙精灵信息技术有限公司 | Train teaching aid |
CN104575230A (en) * | 2014-12-19 | 2015-04-29 | 福建工程学院 | Experimental device for calculation and verification of transmission ratio and comprehensive structural analysis of gear train |
CN104575230B (en) * | 2014-12-19 | 2017-08-08 | 福建工程学院 | It is a kind of to verify the experimental provision analyzed with structure composition for train gear ratio calculation |
CN105761604A (en) * | 2016-04-27 | 2016-07-13 | 安徽工业大学 | Multifunctional modular planetary transmission teaching aid |
CN105761604B (en) * | 2016-04-27 | 2018-09-18 | 安徽工业大学 | A kind of multifunctional modular Gear Planet Transmission teaching aid |
CN111947964A (en) * | 2020-07-08 | 2020-11-17 | 北京卫星制造厂有限公司 | Planet wheel transposition centrifugal directional sampler suitable for extraterrestrial celestial body |
CN111947964B (en) * | 2020-07-08 | 2024-02-09 | 北京卫星制造厂有限公司 | Planet wheel transposition centrifugal orientation sampler suitable for extraterrestrial celestial body |
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Legal Events
Date | Code | Title | Description |
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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: 20141119 Termination date: 20150718 |
|
EXPY | Termination of patent right or utility model |