CN106438868A - Three level planetary deceleration machine - Google Patents
Three level planetary deceleration machine Download PDFInfo
- Publication number
- CN106438868A CN106438868A CN201611155359.1A CN201611155359A CN106438868A CN 106438868 A CN106438868 A CN 106438868A CN 201611155359 A CN201611155359 A CN 201611155359A CN 106438868 A CN106438868 A CN 106438868A
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- CN
- China
- Prior art keywords
- gear
- level
- flange
- bearing
- ring gear
- Prior art date
- 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.)
- Pending
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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
- F16H1/00—Toothed gearings for conveying rotary motion
- F16H1/28—Toothed gearings for conveying rotary motion with gears having orbital motion
- F16H1/46—Systems consisting of a plurality of gear trains each with orbital gears, i.e. systems having three or more central gears
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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
- F16H2001/324—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 comprising two axially spaced, rigidly interconnected, orbital gears
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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
- F16H2001/327—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 with orbital gear sets comprising an internally toothed ring gear
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a three level planetary deceleration machine, comprising an input flange, an inner gear ring connected with the input flange through a first screw nail, an output flange connected with the inner gear ring through a second screw nail, a transition flange is provided between the input flange and the inner gear ring, an input shaft is provided inside the transition flange through the input shaft, one end of the input shaft extends into the input flange, the other end of the input shaft extends into the inner gear ring and is connected with a first level solar wheel shaft, a first level solar wheel is provided on the first level solar wheel shaft, the first level is mutually meshed with a number of first level planet gear, the first level planet gear is mutually meshed with the inner gear ring, the first level planet gear is provided in a rolling mode on the first level planet gear shaft through a first level full needle bearing, on end of the first level planet gear shaft extends out with the first level planet gear and is connected with the first level planet support.
Description
Technical field
The present invention relates to a kind of reductor, more particularly to a kind of three-stage planetary speed reducer.
Background technology
Planetary gear in planetary reducer except can as fixed axis gear around oneself rotary shaft rotate in addition to,
Their rotary shaft is also as planet carrier around other gears（Sun gear）Axis rotate, around oneself axis rotation become from
Turn, the rotation around other Gear axis is referred to as revolving round the sun, and just as the planet in the solar system, hence obtains one's name.It can be used in existing
For robot industry, such as parallel robot or linear robot, Digit Control Machine Tool and machining center field is also usually applied to,
Range of application is wider.Current planetary reducer is most to adopt single-pinion planetary gear structure, single-pinion planetary gear structure output
Moment of torsion is less, and the scope of application is little, and structural behaviour is poor, is easily damaged, and changes frequently, while the planet carrier of existing planetary reducer
It is all directly to drive vacantly to rotate in ring gear by planet pinion shaft, does not prop up during being rotated due to planet carrier
Support, rotates unstable, and time length is susceptible to shift and deforms, and causes the planetary reducer normally cannot to use, and reductor makes
Use short life.
Content of the invention
The technical problem to be solved is：A kind of three-stage planetary speed reducer of planet carrier slow-roll stabilization is provided.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：Three-stage planetary speed reducer, including：Input
Flange, the ring gear being connected with input flange by the first screw, the output method being connected with ring gear by the second screw
Orchid, is provided with counter flange between the input flange and ring gear, is arranged by input shaft bearing in the excessive flange
The one end for having input shaft, the input shaft is stretched in input flange, and the other end of the input shaft is stretched in ring gear and one-level
Sun wheel shaft is connected, and is provided with one-level sun gear, the one-level sun gear and some one-levels in the one-level sun wheel shaft
Planetary gear is engaged each other, and the primary planet pinion is engaged each other with ring gear, and the primary planet pinion is full by one-level
Needle bearing is rolled and is arranged on primary planet pinion bearing pin, and primary planet tooth is stretched out in one end of the primary planet pinion bearing pin
Wheel is connected with primary planet carrier, and the primary planet carrier is rotatably arranged in ring gear by primary planet carrier bearing, in institute
State on primary planet carrier and secondary solar gear axle is provided with, on the secondary solar gear axle, secondary solar gear is provided with, described two
Level sun gear is engaged each other with some secondary planetary gears, and the secondary planetary gear is engaged each other with ring gear, described two grades
Planetary gear is rolled by two grades of full needle bearings and is arranged on secondary planetary gear bearing pin, the secondary planetary gear bearing pin
One end is stretched out secondary planetary gear and is connected with secondary planet frame, and the secondary planet frame is rotated by secondary planet frame bearing and set
Put in ring gear, on the secondary planet frame, three-level sun wheel shaft is provided with, be provided with the three-level sun wheel shaft
Three-level sun gear, the three-level sun gear is engaged each other with some three-stage planetary gear, the three-stage planetary gear and ring gear
Engage each other, the three-stage planetary gear is rolled by the full needle bearing of three-level and is arranged on three-stage planetary gear bearing pin, described
One end of three-stage planetary gear bearing pin is stretched out three-stage planetary gear and is connected with third-level planetary frame
Connect, the third-level planetary frame is rotatably arranged in ring gear by third-level planetary frame bearing, lead in the output flange
Cross output bearing block and output shaft is provided with, one end of the output shaft is stretched into and is connected with third-level planetary frame in ring gear, described
The other end of output shaft stretches out output flange.
It is an advantage of the invention that：Above-mentioned three-stage planetary speed reducer, is slowed down using three-stage planetary gear, and output torque is big, is fitted
Wide with scope, structural behaviour is good, is hardly damaged, while third-level planetary frame is rotatably arranged in ring gear by bearing respectively,
Planet carrier slow-roll stabilization, is not susceptible to shift and deforms, reductor long service life.
Description of the drawings
Fig. 1 is the structural representation of three-stage planetary speed reducer of the present invention.
In figure：1st, input flange, the 2, first screw, 3, ring gear, the 4, second screw, 5, output flange, 6, counter flange,
7th, input shaft bearing, 8, input shaft, 9, one-level sun wheel shaft, 10, one-level sun gear, 11, primary planet pinion, 12, one-level completely rolls
Needle bearing, 13, primary planet pinion bearing pin, 14, primary planet carrier, 15, primary planet carrier bearing, 16, secondary solar gear axle,
17th, secondary solar gear, 18, secondary planetary gear, 19, two grades of full needle bearings, 20, secondary planetary gear bearing pin, 21, two grades of row
Carrier, 22, secondary planet frame bearing, 23, three-level sun wheel shaft, 24, three-level sun gear, 25, three-stage planetary gear, 26, three-level
Full needle bearing, 27, three-stage planetary gear bearing pin, 28, third-level planetary frame, 29, third-level planetary frame bearing, 30, output bearing block,
31st, output shaft.
Specific embodiment
The particular content of the present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, three-stage planetary speed reducer, including：Input flange 1, is connected with input flange 1 by the first screw 2
The ring gear 3 for connecing, the output flange 5 being connected with ring gear 3 by the second screw 4, in the input flange 1 and ring gear 3
Between be provided with counter flange 6, in the excessive flange 6, input shaft 8 is provided with by input shaft bearing 7, the input shaft 8
One end is stretched in input flange 1, and the other end of the input shaft 8 is stretched into and is connected with one-level sun wheel shaft 9 in ring gear 3,
One-level sun gear 10, the one-level sun gear 10 and 11 phase of some primary planet pinions is provided with the one-level sun wheel shaft 9
Mutually engage, the primary planet pinion 11 is engaged each other with ring gear 3, the primary planet pinion 11 is by the full needle roller axle of one-level
Hold 12 rollings to be arranged on primary planet pinion bearing pin 13, primary planet tooth is stretched out in one end of the primary planet pinion bearing pin 13
Wheel 11 is connected with primary planet carrier 14, and the primary planet carrier 14 is rotatably arranged on ring gear by primary planet carrier bearing 15
In 3, secondary solar gear axle 16 being provided with the primary planet carrier 14, is provided with two grades on the secondary solar gear axle 16
Sun gear 17, the secondary solar gear 17 is engaged each other with some secondary planetary gears 18, the secondary planetary gear 18 with interior
Gear ring 3 is engaged each other, and the secondary planetary gear 18 is rolled by two grades of full needle bearings 19 and is arranged on secondary planetary gear pin
On axle 20, one end of the secondary planetary gear bearing pin 20 is stretched out secondary planetary gear 18 and is connected with secondary planet frame 21, institute
State secondary planet frame 21 to be rotatably arranged in ring gear 3 by secondary planet frame bearing 22, set on the secondary planet frame 21
Three-level sun wheel shaft 23 is equipped with, and three-level sun gear 24, the three-level sun gear 24 is provided with the three-level sun wheel shaft 23
Engage each other with some three-stage planetary gear 25, the three-stage planetary gear 25 is engaged each other with ring gear 3, the third-level planetary
Gear 25 is rolled by the full needle bearing 26 of three-level and is arranged on three-stage planetary gear bearing pin 27, the three-stage planetary gear bearing pin
27 one end is stretched out three-stage planetary gear 25 and is connected with third-level planetary frame 28, and the third-level planetary frame 28 passes through third-level planetary frame
Bearing 29 is rotatably arranged in ring gear 3, is provided with output shaft 31, institute by exporting bearing block 30 in the output flange 5
The one end for stating output shaft 31 is stretched into and is connected with third-level planetary frame 28 in ring gear 3, and the other end of the output shaft 31 stretches out defeated
Go out flange 5.
When above-mentioned three-stage planetary speed reducer is used, the input shaft 8 of reductor is connected with the motor shaft of motor, drives
The motor shaft band driven input shaft 8 of galvanic electricity machine is rotated in bearing of input shaft 7, and input shaft 8 drives one-level sun wheel shaft 9 to rotate, and one
Level sun wheel shaft 9 drives one-level sun gear 10 to rotate, and one-level sun gear 10 drives and its intermeshing primary planet pinion 11
Rotate in ring gear 3, primary planet pinion 11 drives primary planet carrier 14 in one-level row by primary planet pinion bearing pin 13
Rotate in carrier bearing 15, while primary planet pinion 11 is revolved round the sun in ring gear 3, primary planet pinion 11 is full by one-level
The autobiography on primary planet pinion bearing pin 13 of needle bearing 12, primary planet carrier 14 drives secondary solar gear axle 16 to rotate, two grades
Sun wheel shaft 16 drives secondary solar gear 17 to rotate, and secondary solar gear 17 is driven and existed with its intermeshing secondary planetary gear 18
Rotate in ring gear 3, secondary planetary gear 18 drives secondary planet frame 21 in secondary planet by secondary planetary gear bearing pin 20
Rotation in frame bearing 22, while secondary planetary gear 18 is revolved round the sun in ring gear 3, secondary planetary gear 18 is by two grades of full rollings
The autobiography on secondary planetary gear bearing pin 20 of needle bearing 19, secondary planet frame 21 drives three-level sun wheel shaft 23 to rotate, and three-level is too
Positive wheel shaft 23 drives three-level sun gear 24 to rotate, three-level sun gear 24 drive with including its intermeshing three-stage planetary gear 25
Rotate in gear ring 3, three-stage planetary gear 25 drives third-level planetary frame 28 in third-level planetary frame by three-stage planetary gear bearing pin 27
Rotate in bearing 26, while three-stage planetary gear 25 is revolved round the sun in ring gear 3, three-stage planetary gear 25 is by the full needle roller of three-level
The autobiography on three-stage planetary gear bearing pin 27 of bearing 26, third-level planetary frame 28 drives output shaft 31 to rotate in output shaft bearing 30
Realize the output of moment of torsion.
Above-mentioned three-stage planetary speed reducer, is slowed down using three-stage planetary gear, and output torque is big, applied widely, structural
Can be good, it is hardly damaged, while third-level planetary frame is rotatably arranged in ring gear by bearing respectively, planet carrier slow-roll stabilization,
It is not susceptible to shift and deforms, reductor long service life.
Claims (1)
1. three-stage planetary speed reducer, it is characterised in that：Including：Input flange（1）, by the first screw（2）With input flange（1）
The ring gear being connected（3）, by the second screw（4）With ring gear（3）The output flange being connected（5）, in the input method
Blue（1）With ring gear（3）Between be provided with counter flange（6）, in the excessive flange（6）Interior by input shaft bearing（7）Arrange
There is input shaft（8）, the input shaft（8）One end stretch into input flange（1）Interior, the input shaft（8）The other end stretch in
Gear ring（3）Interior and one-level sun wheel shaft（9）It is connected, in the one-level sun wheel shaft（9）On be provided with one-level sun gear（10）,
The one-level sun gear（10）With some primary planet pinions（11）Engage each other, the primary planet pinion（11）With ring gear
（3）Engage each other, the primary planet pinion（11）By the full needle bearing of one-level（12）Rolling is arranged on primary planet pinion
Bearing pin（13）On, the primary planet pinion bearing pin（13）One end stretch out primary planet pinion（11）With primary planet carrier（14）
It is connected, the primary planet carrier（14）By primary planet carrier bearing（15）It is rotatably arranged on ring gear（3）Interior, described one
Level planet carrier（14）On be provided with secondary solar gear axle（16）, in the secondary solar gear axle（16）On be provided with secondary solar gear
（17）, the secondary solar gear（17）With some secondary planetary gears（18）Engage each other, the secondary planetary gear（18）With
Ring gear（3）Engage each other, the secondary planetary gear（18）By two grades of full needle bearings（19）Rolling is arranged on two grades of row
Star gear bearing pin（20）On, the secondary planetary gear bearing pin（20）One end stretch out secondary planetary gear（18）With secondary planet
Frame（21）It is connected, the secondary planet frame（21）By secondary planet frame bearing（22）It is rotatably arranged on ring gear（3）Interior,
The secondary planet frame（21）On be provided with three-level sun wheel shaft（23）, in the three-level sun wheel shaft（23）On be provided with three-level
Sun gear（24）, the three-level sun gear（24）With some three-stage planetary gear（25）Engage each other, the three-stage planetary gear
（25）With ring gear（3）Engage each other, the three-stage planetary gear（25）By the full needle bearing of three-level（26）Rolling is arranged on
Three-stage planetary gear bearing pin（27）On, the three-stage planetary gear bearing pin（27）One end stretch out three-stage planetary gear（25）With three
Level planet carrier（28）It is connected, the third-level planetary frame（28）By third-level planetary frame bearing（29）It is rotatably arranged on ring gear
（3）Interior, in the output flange（5）Interior by export bearing block（30）It is provided with output shaft（31）, the output shaft（31）'s
Ring gear is stretched in one end（3）Interior and third-level planetary frame（28）It is connected, the output shaft（31）The other end stretch out output flange
（5）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155359.1A CN106438868A (en) | 2016-12-14 | 2016-12-14 | Three level planetary deceleration machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155359.1A CN106438868A (en) | 2016-12-14 | 2016-12-14 | Three level planetary deceleration machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106438868A true CN106438868A (en) | 2017-02-22 |
Family
ID=58217946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611155359.1A Pending CN106438868A (en) | 2016-12-14 | 2016-12-14 | Three level planetary deceleration machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106438868A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110686052A (en) * | 2019-09-26 | 2020-01-14 | 东莞市卓蓝自动化设备有限公司 | Four-stage planetary reducer |
| CN110958934A (en) * | 2017-08-24 | 2020-04-03 | Zf 腓德烈斯哈芬股份公司 | Stirring roller driver |
-
2016
- 2016-12-14 CN CN201611155359.1A patent/CN106438868A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110958934A (en) * | 2017-08-24 | 2020-04-03 | Zf 腓德烈斯哈芬股份公司 | Stirring roller driver |
| CN110686052A (en) * | 2019-09-26 | 2020-01-14 | 东莞市卓蓝自动化设备有限公司 | Four-stage planetary reducer |
| CN110686052B (en) * | 2019-09-26 | 2024-04-26 | 东莞市卓蓝自动化设备有限公司 | Four-stage planetary reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |