CN106763527A - Two-stage planetary reducer - Google Patents
Two-stage planetary reducer Download PDFInfo
- Publication number
- CN106763527A CN106763527A CN201611155392.4A CN201611155392A CN106763527A CN 106763527 A CN106763527 A CN 106763527A CN 201611155392 A CN201611155392 A CN 201611155392A CN 106763527 A CN106763527 A CN 106763527A
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- CN
- China
- Prior art keywords
- stage
- shaft
- primary planet
- flange
- input
- 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
- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a kind of good two-stage planetary reducer of operational effect, including：Input flange, the ring gear being connected with input flange by the first screw, the output flange being connected with ring gear by the second screw, set by bearing of input shaft in the ring gear and there was only input shaft, stretch into input flange one end of the input shaft, one-level sun wheel shaft is provided with the other end of the input shaft, one-level sun gear is provided with the one-level sun wheel shaft, the one-level sun gear is intermeshed with some primary planet pinions, the primary planet pinion is intermeshed with ring gear, the primary planet pinion is rolled by the full needle bearing of one-level and is arranged on primary planet pinion bearing pin, the two ends of the primary planet pinion bearing pin are stretched out primary planet pinion and are connected with primary planet carrier, two-stage sun wheel shaft is provided with the primary planet carrier.
Description
Technical field
The present invention relates to a kind of reductor, more particularly to a kind of two-stage planetary reducer.
Background technology
Planetary gear in planetary reducer in addition to it can be rotated around the rotary shaft of oneself as fixed axis gear,
Their rotary shaft is also as planet carrier around other gears（Sun gear）Axis rotate, around oneself axis rotation turn into from
Turn, the rotation around other Gear axis is referred to as revolution, 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 are also usually applied to,
Range of application is wider.Current planetary reducer is most to use single-pinion planetary gear structure, single-pinion planetary gear structure output
Moment of torsion is smaller, and the scope of application is small, and structural behaviour is poor, is easily damaged, and changes frequent, meanwhile, existing ring gear is generally split
Formula gear ring structure, it is made up of counter flange and gear ring, split type in order to bearing of input shaft is assembled in counter flange
When gear ring structure is assembled can there is gap in flange connections, and such concentricity is unfavorable for the overall operation of reductor, separately than larger
Outward, existing reductor is only provided with oil sealing in output end, and input is not provided with oil sealing, when reductor internal temperature is higher, profit
Lubricating oil thinning can flow out from bearing of input shaft, cause the lubricating oil in reductor to be lost in, and can also give the driving for driving reductor
Motor belt motor carrys out very major injury.
The content of the invention
The technical problems to be solved by the invention are：There is provided a kind of operational effect good two-stage planetary reducer.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：Two-stage planetary 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 set by bearing of input shaft in the ring gear and there was only input shaft, and one end of the input shaft is stretched into input flange,
One-level sun wheel shaft is provided with the other end of the input shaft, the one-level sun is provided with the one-level sun wheel shaft
Wheel, the one-level sun gear is intermeshed with some primary planet pinions, and the primary planet pinion is intermeshed with ring gear,
The primary planet pinion is rolled by the full needle bearing of one-level and is arranged on primary planet pinion bearing pin, the primary planet tooth
The two ends of wheel bearing pin are stretched out primary planet pinion and are connected with primary planet carrier, and two-stage is provided with the primary planet carrier too
Positive wheel shaft, is provided with two-stage sun gear, the two-stage sun gear and some two-stage planets in the two-stage sun wheel shaft
Intermeshing, the two-stage planet is intermeshed with ring gear, and the two-stage planet is by the full needle bearing of two-stage
Rolling is arranged on two-stage planet bearing pin, and two-stage planet and two-stage are stretched out in the two ends of the two-stage planet bearing pin
Planet carrier is connected, and two groups of output shaft bearings are provided with output shaft, one end of the output shaft in the output flange
Stretch into and be connected with two-stage planet carrier in ring gear, the other end of the output shaft stretches out output flange, in the input shaft axle
Be provided with the first oil sealing between the side input flange and input shaft that hold, the output shaft bearing side output flange with it is defeated
The second oil sealing is provided between shaft.
It is an advantage of the invention that：Above-mentioned two-stage planetary reducer, is slowed down using two-stage planet, and output torque is big, is fitted
Wide with scope, structural behaviour is good, is hardly damaged, while ring gear is overall gear ring structure, counter flange is eliminated, by input shaft
Bearing is assemblied in overall gear ring, eliminates the gap between counter flange and gear ring, overall gear ring structure good concentricity, favorably
In the overall operation of reductor, operational effect is good, Stability Analysis of Structures, in addition, the output end and input in reductor are designed with oil
Envelope, good sealing effect can effectively prevent oil leak.
Brief description of the drawings
Fig. 1 is the structural representation of two-stage planetary 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, input shaft axle
Hold, 7, input shaft, 8, one-level sun wheel shaft, 9, one-level sun gear, 10, primary planet pinion, 11, the full needle bearing of one-level, 12,
Primary planet pinion bearing pin, 13, primary planet carrier, 14, two-stage sun wheel shaft, 15, two-stage sun gear, 16, two-stage planet,
17th, the full needle bearing of two-stage, 18, two-stage planet bearing pin, 19, two-stage planet carrier, 20, output shaft bearing, 21, output shaft,
22nd, the first oil sealing, the 23, second oil sealing.
Specific embodiment
Particular content of the invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, two-stage planetary reducer, including：Input flange 1, is connected by the first screw 2 with input flange 1
The ring gear 3 for connecing, the output flange 5 being connected with ring gear 3 by the second screw 4,
Set by bearing of input shaft 6 in the ring gear 3 and there was only input shaft 7, input flange is stretched into one end of the input shaft 7
In 1, one-level sun wheel shaft 8 is provided with the other end of the input shaft 7, one is provided with the one-level sun wheel shaft 8
Level sun gear 9, the one-level sun gear 9 is intermeshed with some primary planet pinions 10, the primary planet pinion 10 with it is interior
Gear ring 3 is intermeshed, and the primary planet pinion 10 is rolled by the full needle bearing 11 of one-level and is arranged on primary planet pinion pin
On axle 12, the two ends of the primary planet pinion bearing pin 12 are stretched out primary planet pinion 10 and are connected with primary planet carrier 13,
Two-stage sun wheel shaft 14 is provided with the primary planet carrier 13, two-stage sun gear is provided with the two-stage sun wheel shaft 14
15, the two-stage sun gear 15 is intermeshed with some two-stage planets 16, the two-stage planet 16 and the phase of ring gear 3
Mutually engagement, the two-stage planet 16 is rolled by the full needle bearing 17 of two-stage and is arranged on two-stage planet bearing pin 18,
The two ends of the two-stage planet bearing pin 18 are stretched out two-stage planet 16 and are connected with two-stage planet carrier 19, in the output
Two groups of output shaft bearings 20 are provided with output shaft 21 in flange 5, one end of the output shaft 21 is stretched into ring gear 3 and two
Level planet carrier 19 is connected, and the other end of the output shaft 21 stretches out output flange 5, defeated in the side of the bearing of input shaft 6
Enter and the first oil sealing 22 is provided between flange 1 and input shaft 7, in side output flange 5 and the output of the output shaft bearing 20
The second oil sealing 23 is provided between axle 21.
When above-mentioned two-stage planetary reducer is used, the input shaft 7 of reductor is connected with the motor shaft of motor, driven
The motor shaft band driven input shaft 7 of dynamic motor is rotated in bearing of input shaft 6, and input shaft 7 drives one-level sun wheel shaft 8 to rotate, and one
Level sun wheel shaft 8 drives one-level sun gear 9 to rotate, one-level sun gear 9
Drive and rotated in ring gear 3 with its intermeshing primary planet pinion 10, primary planet pinion 10 passes through one-level row
Star gear bearing pin 12 drives primary planet carrier 13 to rotate, while primary planet pinion 10 revolves round the sun in ring gear 3, primary planet
Gear 10 drives the two-stage sun by the full autobiography on primary planet pinion bearing pin 12 of needle bearing 11 of one-level, primary planet carrier 13
Wheel shaft 14 is rotated, and two-stage sun wheel shaft 14 drives two-stage sun gear 15 to rotate, and two-stage sun gear 15 drives intermeshing with it
Two-stage planet 16 is rotated in ring gear 3, and two-stage planet 16 drives two-stage row by two-stage planet bearing pin 18
Carrier 19 is rotated, and in ring gear 3 while revolution, two-stage planet 16 is by the full needle roller axle of two-stage for two-stage planet 16
Hold 17 on two-stage planet bearing pin 18 autobiography, it is real that two-stage planet carrier 19 drives output shaft 21 to rotate in the output shaft bearing 20
The output of existing moment of torsion.
Above-mentioned two-stage planetary reducer, is slowed down using two-stage planet, and output torque is big, applied widely, structural
Can be good, it is hardly damaged, while ring gear is overall gear ring structure, counter flange is eliminated, by bearing of input shaft assembling in entirety
In gear ring, the gap between counter flange and gear ring is eliminated, overall gear ring structure good concentricity is conducive to the entirety of reductor
Operation, in addition, the output end and input in reductor are designed with oil sealing, good sealing effect can effectively prevent oil leak.
Claims (1)
1. two-stage planetary 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 ring gear
（3）It is interior by bearing of input shaft（6）Set and there was only input shaft（7）, the input shaft（7）One end stretch into input flange（1）It is interior,
In the input shaft（7）The other end on be provided with one-level sun wheel shaft（8）, in the one-level sun wheel shaft（8）On be provided with
One-level sun gear（9）, the one-level sun gear（9）With some primary planet pinions（10）Intermeshing, the primary planet tooth
Wheel（10）With ring gear（3）Intermeshing, the primary planet pinion（10）By the full needle bearing of one-level（11）Roll and set
In primary planet pinion bearing pin（12）On, the primary planet pinion bearing pin（12）Two ends stretch out primary planet pinion（10）With
Primary planet carrier（13）It is connected, in the primary planet carrier（13）On be provided with two-stage sun wheel shaft（14）, in the two-stage
Sun wheel shaft（14）On be provided with two-stage sun gear（15）, the two-stage sun gear（15）With some two-stage planets（16）Phase
Mutually engagement, the two-stage planet（16）With ring gear（3）Intermeshing, the two-stage planet（16）It is full by two-stage
Needle bearing（17）Rolling is arranged on two-stage planet bearing pin（18）On, the two-stage planet bearing pin（18）Two ends stretch
Go out two-stage planet（16）With two-stage planet carrier（19）It is connected, in the output flange（5）Inside pass through two groups of output shaft axles
Hold（20）It is provided with output shaft（21）, the output shaft（21）One end stretch into ring gear（3）Interior and two-stage planet carrier（19）Phase
Connection, the output shaft（21）The other end stretch out output flange（5）, in the bearing of input shaft（6）Side input flange
（1）With input shaft（7）Between be provided with the first oil sealing（22）, in the output shaft bearing（20）Side output flange（5）With
Output shaft（21）Between be provided with the second oil sealing（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155392.4A CN106763527A (en) | 2016-12-14 | 2016-12-14 | Two-stage planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155392.4A CN106763527A (en) | 2016-12-14 | 2016-12-14 | Two-stage planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763527A true CN106763527A (en) | 2017-05-31 |
Family
ID=58888847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611155392.4A Pending CN106763527A (en) | 2016-12-14 | 2016-12-14 | Two-stage planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763527A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985927A (en) * | 2017-11-30 | 2018-05-04 | 台邦电机工业集团有限公司 | A kind of planetary reduction gear formula motorized pulleys |
| CN110242730A (en) * | 2019-05-28 | 2019-09-17 | 无锡腾马精密机械有限公司 | Planetary reducer sun gear and input shaft, planet carrier package assembly |
| CN110425257A (en) * | 2019-07-30 | 2019-11-08 | 江苏胜牌科技有限公司 | A kind of Novel gearbox output end |
| CN112664622A (en) * | 2020-12-08 | 2021-04-16 | 北京自动化控制设备研究所 | Arc gear speed reducer for robot joint |
| CN114483918A (en) * | 2022-01-24 | 2022-05-13 | 浙江炜粒传动有限公司 | Planetary reducer |
-
2016
- 2016-12-14 CN CN201611155392.4A patent/CN106763527A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107985927A (en) * | 2017-11-30 | 2018-05-04 | 台邦电机工业集团有限公司 | A kind of planetary reduction gear formula motorized pulleys |
| CN110242730A (en) * | 2019-05-28 | 2019-09-17 | 无锡腾马精密机械有限公司 | Planetary reducer sun gear and input shaft, planet carrier package assembly |
| CN110425257A (en) * | 2019-07-30 | 2019-11-08 | 江苏胜牌科技有限公司 | A kind of Novel gearbox output end |
| CN112664622A (en) * | 2020-12-08 | 2021-04-16 | 北京自动化控制设备研究所 | Arc gear speed reducer for robot joint |
| CN114483918A (en) * | 2022-01-24 | 2022-05-13 | 浙江炜粒传动有限公司 | Planetary reducer |
| CN114483918B (en) * | 2022-01-24 | 2024-02-13 | 浙江炜粒传动有限公司 | Planetary reducer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170531 |
|
| WD01 | Invention patent application deemed withdrawn after publication |