A teaching device for planetary gear mechanism movement
A technology of planetary gear and mechanism movement, applied in the field of teaching equipment, can solve the problems of low teaching quality, complex planetary gear transmission structure, and inability for students to think deeply, and achieve the improvement of teaching quality, ingenious structural design, and reliable speed ratio. change effect
Inactive Publication Date: 2021-03-30
CHONGQING UNIV OF TECH
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Problems solved by technology
[0004] The structure of planetary gear transmission is more complex than that of ordinary gear transmission. In order to enable students to understand the characteristics of planetary gear transmission more intuitively, in addition to theoretical teaching, practical training is also required when teaching planetary gears. Gear transmission teaching aids are mostly one-stage planetary gear transmission with fixed speed ratio. Although the transmission characteristics can be understood through the speed ratio of input and output, it cannot make students think more deeply, making the teaching quality not high
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[0023] The present invention will be described in further detail below in conjunction with embodiment.
[0024] During specific implementation: if Figure 1~Figure 4 As shown, a planetary gear mechanism movement teaching device includes a base 1, a housing 2 installed on the base 1, and a planetary gear mechanism installed in the housing 2. The planetary gear mechanism includes coaxial and side-by-side A basic planetary gear set 3 and at least one superimposed planetary gear set 4; the basic planetary gear set 3 includes a basic sun gear 31 and a basic planetary gear 33 installed on a basic planet carrier 32, and the basic planetary gear 33 is connected to the basic The sun gear 31 is meshed; the superimposed planetary gear set 4 includes a superimposed sun gear 41 and a superimposed planetary gear 43 installed on the superimposed planet carrier 42, and the superimposed planetary gear 43 is meshed with the superimposed sun gear 41; The housing 2 is cylindrical as a whole, and...
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The invention discloses a planet gear mechanism movement teaching device which comprises a base, a shell and a planet gear mechanism. The planet gear mechanism comprises a basic planet gear group andat least stacked planet gear group in coaxial side-by-side arrangement, a stacked planet gear rack comprises a stacked power output plate and a stacked supporting plate which are positioned on two sides of a stacked planet gear respectively, and inner teeth close to a basic central gear or matched with a stacked central gear are arranged on an inner hole of the stacked power output plate; regularpolygonal inner holes completely uniform in shape are formed in the middles of the basic central gear and the stacked central gear axially and penetratingly, an input shaft capable of moving axially is coaxially arranged in each regular polygonal inner hole, and a regular polygonal convex block matched with the corresponding regular polygonal inner hole is arranged on each input shaft. The planetgear mechanism movement teaching device has the advantages of being ingenious in structural design, capable of realizing multistage planet gear switching, variable in speed ratio and conducive to understanding of students on theoretic teaching and arousing thirst for knowledge and innovation consciousness of the students, thereby improving teaching quality.
Description
technical field [0001] The invention relates to the technical field of teaching instruments, in particular to a planetary gear mechanism movement teaching device. Background technique [0002] Epicyclic Gearing is a kind of gear structure, usually one or more external gears rotate around a central gear, just like planets orbiting the sun, hence the name. In addition, the planetary gear usually has an inner ring gear on the outermost side, which is used to fit the trajectory of the planetary gear. [0003] Compared with ordinary gear transmission, planetary gear transmission has many unique advantages. The most notable feature is that power can be divided when transmitting power, and the input shaft and output shaft are on the same level. Therefore, planetary gear transmission has been widely used in reducers, speed increasers and speed change devices in various mechanical transmission systems. Especially because of its "high load, large transmission ratio" characteristics...
Claims
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IPC IPC(8): G09B25/02
CPCG09B25/02
Inventor 甘树德荀启明甘琳巧王鸿赖佳美宋琨陈亮
Owner CHONGQING UNIV OF TECH