CN210865344U - Rolling door machine reducing gear box teaching mode - Google Patents
Rolling door machine reducing gear box teaching mode Download PDFInfo
- Publication number
- CN210865344U CN210865344U CN201920965977.5U CN201920965977U CN210865344U CN 210865344 U CN210865344 U CN 210865344U CN 201920965977 U CN201920965977 U CN 201920965977U CN 210865344 U CN210865344 U CN 210865344U
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- end cover
- left end
- gear
- right end
- planetary gear
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Abstract
The utility model relates to a teaching model of a reduction box of a door roller, which comprises a base, wherein the reduction box is fixedly arranged on the base; the reduction gearbox comprises a left end cover and a right end cover which are connected into a whole through bolts, the left end cover is provided with an output shaft, the right end cover is provided with an input shaft, and a working cavity is formed inside the left end cover and the right end cover; a switch is arranged on the base, and one end of the switch is externally connected with a power supply; the left end cover and the right end cover are both made of transparent materials; the working cavity is internally provided with a planetary gear speed change mechanism, the input shaft is provided with a crank handle, the inner walls of the left end cover and the right end cover are provided with a plurality of lamp beads, and the lamp beads are electrically connected with the other end of the switch. The utility model discloses rolling door machine reducing gear box inner structure and theory of operation can demonstrate directly perceivedly do benefit to and improve the teaching quality.
Description
Technical Field
The utility model relates to a teaching aid technical field especially relates to a rolling door machine reducing gear box teaching mode.
Background
In the teaching process of the reduction gearbox of the door rolling machine, a teacher explains the structure of the reduction gearbox, a general teaching method is to explain the purpose, concept and shape by combining pictures, many students do not have perceptual knowledge on the reduction gearbox, the knowledge on the reduction gearbox is established on the understanding of the pictures and the imagination of real objects, and the teaching effect is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model provides a rolling door machine reducing gear box teaching mode can demonstrate rolling door machine reducing gear box inner structure and theory of operation directly perceivedly, does benefit to and improves the teaching quality.
The utility model discloses a realize through following technical scheme:
a teaching model of a reduction box of a door roller comprises a base, wherein the reduction box is fixedly arranged on the base; the reduction gearbox comprises a left end cover and a right end cover which are connected into a whole through bolts, the left end cover is provided with an output shaft, the right end cover is provided with an input shaft, and a working cavity is formed inside the left end cover and the right end cover; a switch is arranged on the base, and one end of the switch is externally connected with a power supply; the left end cover and the right end cover are both made of transparent materials; the working cavity is internally provided with a planetary gear speed change mechanism, the input shaft is provided with a crank handle, the inner walls of the left end cover and the right end cover are provided with a plurality of lamp beads, and the lamp beads are electrically connected with the other end of the switch.
Further, the planetary gear speed change mechanism comprises an inner gear ring, a planet carrier, a primary planetary gear, a secondary planetary gear, an input gear and an output gear; the inner gear ring is fixedly arranged on the radial inner walls of the left end cover and the right end cover, the primary planetary gear and the secondary planetary gear are both arranged on the planet carrier, the input gear is fixedly arranged on the input shaft, the input gear is sequentially meshed with the primary planetary gear and the inner gear ring to form a primary speed change mechanism, the output gear is fixedly arranged on the output shaft, and the output gear is sequentially meshed with the secondary planetary gear and the inner gear ring to form a secondary speed change mechanism.
Further, the transparent material is PE plastic.
The utility model has the advantages that: the base is provided with the reduction gearbox, the reduction gearbox is internally provided with the planetary gear speed change mechanism and the lamp beads, the input shaft is provided with the hand crank, a real object 'door roller reduction gearbox' is simulated, and the left end cover and the right end cover of the reduction gearbox are made of transparent materials.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
In the figure: the device comprises a base 1, a bolt 2, a left end cover 3, a right end cover 4, an output shaft 5, an input shaft 6, a working cavity 7, a switch 8, a crank 9, a lamp bead 10, an inner gear ring 11, a planet carrier 12, a primary planetary gear 13, a secondary planetary gear 14, an input gear 15 and an output gear 16.
Detailed Description
As shown in fig. 1, an embodiment of the present invention provides a teaching model of a reduction box of a door roller, which includes a base 1, wherein the reduction box is fixedly arranged on the base 1; the reduction gearbox comprises a left end cover 3 and a right end cover 4 which are connected into a whole through a bolt 2, the left end cover 3 is provided with an output shaft 5, the right end cover 4 is provided with an input shaft 6, and a working cavity 7 is formed inside the left end cover 3 and the right end cover 4; a switch 8 is arranged on the base 1, and one end of the switch 8 is externally connected with a power supply; the left end cover 3 and the right end cover 4 are both made of transparent materials; a planetary gear speed change mechanism is arranged in the working cavity 7, a hand crank 9 is arranged on the input shaft 6, a plurality of lamp beads 10 are arranged on the inner walls of the left end cover 3 and the right end cover 4, and the lamp beads 10 are electrically connected with the other end of the switch 8.
In the present embodiment, the planetary gear speed change mechanism includes an annular gear 11, a planet carrier 12, primary planet gears 13, secondary planet gears 14, an input gear 15, and an output gear 16; the inner gear ring 11 is fixedly arranged on the radial inner walls of the left end cover 3 and the right end cover 4, the primary planetary gear 13 and the secondary planetary gear 14 are both arranged on the planet carrier 12, the input gear 15 is fixedly arranged on the input shaft 6, the input gear 15, the primary planetary gear 13 and the inner gear ring 11 are sequentially meshed to form a primary speed change mechanism, the output gear 16 is fixedly arranged on the output shaft 5, and the output gear 16, the secondary planetary gear 14 and the inner gear ring 11 are sequentially meshed to form a secondary speed change mechanism.
In this embodiment, the transparent material is PE plastic.
When teaching, open switch 8 and light lamp pearl 10, see through transparent left end lid 3 and right-hand member lid 4, can observe the planetary gear speed change mechanism in the reducing gear box clearly, rotate crank 9 with the hand, crank 9 drives input shaft 6 and rotates, and input shaft 6 drives whole planetary gear speed change mechanism work, and the rotational speed is through planetary gear speed change mechanism variable speed back, from output shaft 5 output. The utility model discloses simulate "rolling door machine reducing gear box" in kind, at the teaching in-process, the student can observe reducing gear box inner structure and operating condition directly perceivedly, makes the student can increase the perceptual understanding to the theory of operation of rolling door machine reducing gear box, deepens the understanding to the rolling door machine reducing gear box, does benefit to the improvement quality of imparting knowledge to students.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the creative work should be covered within the scope of the present invention.
Claims (3)
1. A teaching model of a reduction box of a door roller comprises a base, wherein the reduction box is fixedly arranged on the base; the reduction gearbox comprises a left end cover and a right end cover which are connected into a whole through bolts, the left end cover is provided with an output shaft, the right end cover is provided with an input shaft, and a working cavity is formed inside the left end cover and the right end cover; the method is characterized in that: a switch is arranged on the base, and one end of the switch is externally connected with a power supply; the left end cover and the right end cover are both made of transparent materials; the working cavity is internally provided with a planetary gear speed change mechanism, the input shaft is provided with a crank handle, the inner walls of the left end cover and the right end cover are provided with a plurality of lamp beads, and the lamp beads are electrically connected with the other end of the switch.
2. The door roller reduction box teaching model of claim 1, wherein: the planetary gear speed change mechanism comprises an inner gear ring, a planet carrier, a primary planetary gear, a secondary planetary gear, an input gear and an output gear; the inner gear ring is fixedly arranged on the radial inner walls of the left end cover and the right end cover, the primary planetary gear and the secondary planetary gear are both arranged on the planet carrier, the input gear is fixedly arranged on the input shaft, the input gear is sequentially meshed with the primary planetary gear and the inner gear ring to form a primary speed change mechanism, the output gear is fixedly arranged on the output shaft, and the output gear is sequentially meshed with the secondary planetary gear and the inner gear ring to form a secondary speed change mechanism.
3. The door roller reduction box teaching model of claim 1, wherein: the transparent material is PE plastic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920965977.5U CN210865344U (en) | 2019-06-26 | 2019-06-26 | Rolling door machine reducing gear box teaching mode |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920965977.5U CN210865344U (en) | 2019-06-26 | 2019-06-26 | Rolling door machine reducing gear box teaching mode |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210865344U true CN210865344U (en) | 2020-06-26 |
Family
ID=71291818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920965977.5U Active CN210865344U (en) | 2019-06-26 | 2019-06-26 | Rolling door machine reducing gear box teaching mode |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210865344U (en) |
-
2019
- 2019-06-26 CN CN201920965977.5U patent/CN210865344U/en active Active
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