CN113251113A - Novel power split speed reducer - Google Patents
Novel power split speed reducer Download PDFInfo
- Publication number
- CN113251113A CN113251113A CN202110634311.3A CN202110634311A CN113251113A CN 113251113 A CN113251113 A CN 113251113A CN 202110634311 A CN202110634311 A CN 202110634311A CN 113251113 A CN113251113 A CN 113251113A
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- China
- Prior art keywords
- bevel gear
- gear
- bevel
- transmission
- gears
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 239000003638 chemical reducing agent Substances 0.000 title claims abstract description 12
- 230000005540 biological transmission Effects 0.000 claims abstract description 46
- 208000032370 Secondary transmission Diseases 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/32—Toothed gearings for conveying rotary motion with gears having orbital motion in which the central axis of the gearing lies inside the periphery of an orbital gear
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gear Transmission (AREA)
Abstract
The invention discloses a novel power split speed reducer which comprises an input shaft 1, bevel gears 2, bevel gears 14, bevel gears 4, bevel gears 5, a planet carrier 6, a gear ring 7 and an output shaft 8, wherein the first-stage transmission is a bevel gear planetary system, the third-stage transmission is a straight gear planetary system, the bevel gears 2 are respectively arranged on the left side and the right side of the bevel gears 14, the input shaft 1 is connected with the right bevel gear 2, the bevel gears 14 are in meshing transmission with the bevel gears 4, the bevel gears 4 are in meshing transmission with the bevel gears 5, the left side of the planet carrier 6 is connected with the bevel gears 5, the right side of the planet carrier is connected with the third-stage planetary gears, and the gear ring 7 and the output shaft 8 output simultaneously to realize power split.
Description
Technical Field
The invention discloses a speed reducer, in particular to a novel power split speed reducer
Background
Along with the development of transmission technology, mechanical transmission has all proposed higher and higher requirement to the required precision of reduction gear, bearing capacity, and is small in size, transmission efficiency, life etc. the reduction gear on the existing market is of a great variety, mainly divide into: the gear reducer, the star reduction gear, the worm gear reduction gear, these reducers generally all are unipolar output, and the power reposition of redundant personnel reduction gear of present design generally is straight-tooth gear planetary reducer, realizes through multi-stage drive, like this under the requirement of realizing the multiaxis output, must make the reduction gear structure more complicated, bulky, this just need design one can realize multi-stage drive, and transmission efficiency is high, and the drive ratio can guarantee the compact structure of reduction gear again, and is small, realize power reposition of redundant personnel.
Disclosure of Invention
The invention provides a novel power split speed reducer which has compact structure, small volume, high transmission efficiency and large transmission ratio and can realize high-efficiency power split
To achieve the above purpose, we use the first stage transmission as a bevel gear planetary system, the third stage transmission as a straight gear planetary system, bevel gears 2 are respectively arranged at the left and right sides of a bevel gear 14, an input shaft 1 is connected with the right bevel gear 2 to drive the right bevel gear 2 to rotate, the left bevel gear 2 is fixed, the bevel gear 14 and the bevel gear 5 are both in mesh transmission with the bevel gear 4 to realize the second stage transmission, the input power through the input shaft 1 drives the right bevel gear 2 to rotate, the bevel gear 2 drives a planetary bevel gear 9 to rotate, the planetary bevel gear 9 drives the bevel gear 14 to rotate, the first stage power transmission is completed, the bevel gear 14 is meshed with the bevel gear 4 to drive the bevel gear 4, the bevel gear 4 drives the bevel gear 5 to mesh transmission, the second stage power transmission is completed, the bevel gear 5 is connected with a planet carrier 6, and the planet carrier 6 is connected with the straight gear 10, the bevel gear 5 transmits power to the planetary gear 10 through the planet carrier 6, the straight planetary gear 10 drives the gear ring 7 to rotate and output, and the cylindrical block 12 rotates to drive the output shaft 8 to output power.
In some embodiments, four recesses 141 are symmetrically formed on the inner surface of the bevel gear 14 in the first stage bevel gear planetary system, four bolt holes 171 of two bearings 172 are symmetrically arranged in the recesses 141, the planetary bevel gear 9 and the bearings 172 are mounted in the recesses 141, and the upper surface is fixedly mounted by a fixing plate 173 and bolts 174, so that the bevel gear planetary system can drive smoothly.
In some embodiments, in the second stage of transmission, the bevel gears 4 and 5 are in mesh transmission with the bevel gear 14, the bevel gears 4 are connected with the cylindrical block 12, and the three bevel gears 4 are uniformly distributed around the cylindrical block 12 to uniformly transmit the power of the bevel gears 4.
In some embodiments, a small hole is formed in the middle of the sun gear 11, and the output shaft 8 is connected with the cylindrical block 12 and penetrates through the small hole in the middle of the sun gear to precisely complete power transmission.
The invention has the advantages that the combination of the planetary bevel gear transmission system and the straight gear planetary transmission system is skillfully utilized, the transmission ratio is large, the transmission efficiency is high, the bevel gear is utilized for meshing transmission, the secondary transmission is realized, simultaneously, the power split is realized, and compared with other speed reducers, the invention has stable transmission, simple structure and high efficiency, high power and multi-power output. All parts are simple to match and easy to observe and maintain with the processing.
Drawings
FIG. 1 is a front view of the overall structure of the present invention
FIG. 2 is a schematic view of the assembly of one of the three-dimensional structures of the present invention
FIG. 3 is a schematic diagram of a second level and third level decomposition structure according to the present invention
FIG. 4 is a schematic exploded view of a spur gear planetary transmission according to the present invention
FIG. 5 is a front view of the whole structure of the bevel gear planetary transmission of the present invention
FIG. 6 is a schematic view of the bevel gear planetary transmission exploded structure of the present invention
FIG. 7 is a schematic view of the structure of the bevel gear planetary transmission part of the invention
The reference numerals include
1-input shaft 5-bevel gear 9-planetary bevel gear
2-bevel gear 6-planet carrier 10-output shaft
14-bevel gear 7-gear ring 11-planetary straight gear
4-bevel gear 8-output shaft 12-cylindrical block
171-bolt hole 172-bearing 173-fixing piece
174-groove
Detailed Description
For the understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.
Referring to fig. 1, fig. 2, fig. 3 and fig. 4, a novel power split reduction gear of the present invention includes a first stage transmission which is a bevel gear planetary system, a third stage transmission which is a straight gear planetary system, wherein one bevel gear 2 is respectively arranged on the left and right sides of a bevel gear 14, an input shaft 1 is connected with the right bevel gear 2 to drive the right bevel gear 2 to rotate, the left bevel gear 2 is stationary, both the bevel gear 14 and the bevel gear 5 are in meshing transmission with the bevel gear 4 to realize a second stage transmission, the input power through the input shaft 1 drives the right bevel gear 2 to rotate, the bevel gear 2 drives a bevel gear 9 to rotate, the bevel gear 9 drives the bevel gear 14 to rotate, the first stage power transmission is completed, the bevel gear 14 is meshed with the bevel gear 4 to drive the bevel gear 4, the bevel gear 4 drives the bevel gear 5 to mesh transmission, the second stage power transmission is completed, the bevel gear 5 is connected with a planet carrier 6, the planet carrier 6 is connected with a straight planetary gear 10, the bevel gear 5 transmits power to the planetary gear 10 through the planet carrier 6, the straight planetary gear 10 drives the gear ring 7 to rotate and output, and the cylindrical block 12 rotates and drives the output shaft 8 to output power.
Referring to fig. 5 and 6, four grooves 141 are symmetrically formed in the inner surface of the bevel gear 14 in the first stage bevel gear planetary system, four bolt holes 171 of two bearings 172 are symmetrically arranged in the grooves 141, the planetary bevel gear 9 and the bearings 172 are mounted in the grooves 141, and the upper surface of the planetary bevel gear 9 is fixedly mounted by a fixing plate 173 and bolts 174, so that the bevel gear planetary system is driven stably.
Referring to fig. 3, in the second stage of transmission, the bevel gears 4 and 5 are in mesh transmission with the bevel gear 14, the bevel gears 4 are connected with the cylindrical block 12, and the three bevel gears 4 are uniformly distributed around the cylindrical block 12 to uniformly transmit power.
Referring to fig. 1 and 4, a small hole is formed in the middle of the sun gear 11, and the output shaft 8 is connected with the cylindrical block 12 and penetrates through the small hole in the middle of the sun gear to accurately complete power transmission.
The above description is only a preferred embodiment of the present invention, and for those skilled in the art, the present invention should not be limited by the description of the present invention, which should be interpreted as a limitation.
Claims (4)
1. The utility model provides a novel power split reduction gear, its characteristic includes input shaft 1, bevel gear 2, bevel gear 14, bevel gear 4, bevel gear 5, planet carrier 6, ring gear 7, output shaft 8, the first order transmission is bevel gear planetary system, the third level transmission is straight gear planetary system, bevel gear 2 is respectively one in bevel gear 14 left and right sides, bevel gear 2 meshes with planet bevel gear 9, planet bevel gear 9 drives bevel gear 14 and rotates, input shaft 1 and the bevel gear 2 on the right link to each other, bevel gear 14 and bevel gear 5 all mesh with bevel gear 4 and transmit, realize the second level transmission, bevel gear 4 is connected with cylinder block 12, output shaft 8 is connected with cylinder block 12, planet carrier 6 the left side meets with bevel gear 5, the right is connected with third level planet wheel 10, ring gear 7 and output shaft 8 export simultaneously, output speed is different, realize power split.
2. The novel power split speed reducer according to claim 1, wherein four recesses 141 are symmetrically formed on the inner surface of the bevel gear 14 in the first stage bevel gear planetary system, two bearings 172 and four bolt holes 171 are symmetrically disposed in the recesses 141, and the bevel gear 9 and the bearings 172 are mounted in the recesses 141 and are fixedly mounted thereon by means of fixing plates 173 and bolts 174.
3. The novel power-splitting speed reducer according to claim 1, wherein in the second stage of transmission, the bevel gears 4 and 5 are in mesh transmission with the bevel gears 14, the bevel gears 4 are connected with the cylindrical blocks 12, and the three bevel gears 4 are uniformly distributed around the cylindrical blocks 12.
4. A new type of power split reduction gear according to claim 1 and claim 3, characterized in that the left side of the planet carrier 6 in the third stage straight gear planetary system is connected with the bevel gear 5, the right side is connected with the third stage planet gear 10, the sun gear 11 is in mesh transmission with three evenly distributed planet gears 10, the planet gears 10 are in mesh transmission with the ring gear 6, and the output shaft 8 is connected with the cylindrical block 12.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110634311.3A CN113251113A (en) | 2021-06-07 | 2021-06-07 | Novel power split speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110634311.3A CN113251113A (en) | 2021-06-07 | 2021-06-07 | Novel power split speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113251113A true CN113251113A (en) | 2021-08-13 |
Family
ID=77186813
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110634311.3A Pending CN113251113A (en) | 2021-06-07 | 2021-06-07 | Novel power split speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113251113A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003499A (en) * | 2009-08-31 | 2011-04-06 | 鸿富锦精密工业（深圳）有限公司 | Planetary gear drive mechanism |
| CN103979108A (en) * | 2014-05-29 | 2014-08-13 | 合肥工业大学 | Main reducer for coaxial dual-rotor high-speed helicopter with tension paddle |
| CN204572958U (en) * | 2015-04-13 | 2015-08-19 | 南京康尼精密机械有限公司 | A kind of differential speed regulation planet gear stageless speed variator |
| DE102019118187A1 (en) * | 2019-07-05 | 2021-01-07 | Schaeffler Technologies AG & Co. KG | Differential gear |
-
2021
- 2021-06-07 CN CN202110634311.3A patent/CN113251113A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102003499A (en) * | 2009-08-31 | 2011-04-06 | 鸿富锦精密工业（深圳）有限公司 | Planetary gear drive mechanism |
| CN103979108A (en) * | 2014-05-29 | 2014-08-13 | 合肥工业大学 | Main reducer for coaxial dual-rotor high-speed helicopter with tension paddle |
| CN204572958U (en) * | 2015-04-13 | 2015-08-19 | 南京康尼精密机械有限公司 | A kind of differential speed regulation planet gear stageless speed variator |
| DE102019118187A1 (en) * | 2019-07-05 | 2021-01-07 | Schaeffler Technologies AG & Co. KG | Differential gear |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| WD01 | Invention patent application deemed withdrawn after publication | ||
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Application publication date: 20210813 |