CN106838136A - A kind of planet-gear speed reducer - Google Patents
A kind of planet-gear speed reducer Download PDFInfo
- Publication number
- CN106838136A CN106838136A CN201710079624.0A CN201710079624A CN106838136A CN 106838136 A CN106838136 A CN 106838136A CN 201710079624 A CN201710079624 A CN 201710079624A CN 106838136 A CN106838136 A CN 106838136A
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- China
- Prior art keywords
- bearing
- gear
- planet
- sun gear
- planet carrier
- Prior art date
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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
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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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
- F16H2057/085—Bearings for orbital gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
- General Details Of Gearings (AREA)
Abstract
The present invention relates to reductor technical field, there is provided a kind of planet-gear speed reducer, including output shaft, oil sealing, output flange, planet carrier, first sun gear, first planetary gear, first ring gear, input shaft, adpting flange, input flange, second sun gear, second planetary gear, second ring gear, clutch shaft bearing, second bearing, 3rd bearing, fourth bearing, first sun gear and planet carrier are formed in one structure, blind hole is provided with output shaft and the first sun gear opposite position, first sun gear end face is provided with locating shaft to elongation moulding in blind hole, positioning bearing is provided between locating shaft and blind hole, positioning bearing holder (housing, cover) is located on locating shaft.A kind of planet-gear speed reducer of present invention offer, production and processing is convenient, installs simple, and easy maintenance, high transmission accuracy, vibration is small, and long service life, device reliability is high.
Description
Technical field
The present invention relates to reductor technical field, more particularly to a kind of planet-gear speed reducer.
Background technology
Planet-gear speed reducer is also called planetary reducer, servo deceleration machine.In reductor family, planetary reducer with
Its small volume, transmission efficiency, reduction range is wide, many advantages, such as high precision, and is widely used in servomotor, stepping electricity
In the transmission systems such as machine, direct current generator.Its effect is exactly on the premise of precision drive is ensured, to be mainly used to reduce rotating speed increasing
The rotary inertia ratio of high pulling torque and reduction load/motor.Planet-gear speed reducer primary drive structure includes planet carrier, planet
Wheel, sun gear, gear ring etc., in traditional planet-gear speed reducer, planet carrier and sun gear are split-type structurals, are processed respectively,
Mounting hole is left in planet carrier front end, and sun gear is fixed in mounting hole by bearing pin, realizes the connection of sun gear and planet carrier, adopts
There is following defect with this structure：Production and processing inconvenience, installs trouble, and maintenance is inconvenient, and use time is long may pine
Dynamic, it may appear that the situation of central gear play, sun gear vibration is big, and causing the transmission accuracy of device reduces, and reduces making for device
Use the life-span.
Therefore, how existing planet-gear speed reducer is improved, it is art technology it is overcome drawbacks described above
Personnel's problem urgently to be resolved hurrily.
The content of the invention
In view of the above-mentioned state of the art, the technical problems to be solved by the invention are to provide a kind of planetary gear reduction
Fast machine, production and processing is convenient, installs simple, and easy maintenance, high transmission accuracy vibrates small, long service life, device reliability
It is high.
The present invention solve the technical scheme that is used of above-mentioned technical problem for：
A kind of planet-gear speed reducer, including output shaft, oil sealing, output flange, planet carrier, the first sun gear, the first row
Star-wheel, the first ring gear, input shaft, adpting flange, input flange, the second sun gear, the second planetary gear, the second ring gear,
One bearing, second bearing, 3rd bearing, fourth bearing, the output shaft, the planet carrier, the input shaft, described first are too
On same central axis, first sun gear and the planet carrier are formed in one structure for sun wheel, second sun gear,
First planetary gear is arranged on the output shaft by the first planet axis, first planetary gear and first sun gear
And first ring gear be meshed, second sun gear is fixedly connected with the input shaft front end, and second planetary gear passes through
Second planet axis are arranged on the planet carrier, and second planetary gear is mutually nibbled with second sun gear and the second ring gear
Close, the clutch shaft bearing and the second bearing are arranged between the output shaft and the output flange, the 3rd bearing
Be arranged between the planet carrier and the adpting flange, the fourth bearing be arranged on the input shaft and the planet carrier it
Between, blind hole is provided with the output shaft and the first sun gear opposite position, the first sun gear end face is to described
Elongation moulding is provided with locating shaft in blind hole, and positioning bearing, the locating shaft are provided between the locating shaft and the blind hole
Bearing sleeve is located on the locating shaft.
The first stepped round platform and the first draw-in groove are provided with the planet carrier position corresponding with the 3rd bearing,
Be provided with the first snap ring in the groove, two end faces of the 3rd bearing respectively with the described first stepped round platform, described
First snap ring offsets company.
Be provided with the planet carrier position corresponding with the fourth bearing the second stepped round platform, the second draw-in groove and
Groove, is provided with the second snap ring in second draw-in groove, two end faces of the fourth bearing are stepped with described second respectively
Round platform, second snap ring are offseted company, and sealing ring is provided with the groove.
The number of first planetary gear is three, is evenly arranged on the planet carrier.
Beneficial effect：
The technical scheme provided using the present invention, compared with prior art, is had the advantages that：
1st, a kind of planet-gear speed reducer of the invention, is provided with its planet carrier position corresponding with 3rd bearing
One stepped round platform and the first draw-in groove, are provided with the first snap ring in the first draw-in groove, two end faces of 3rd bearing are respectively with first
Stepped round platform, the first snap ring offset company.Using this kind of technical scheme, 3rd bearing can be carried out spacing, prevent 3rd bearing
The play when rotating, improves device transmission accuracy.
2nd, a kind of planet-gear speed reducer of the invention, is provided with its planet carrier position corresponding with fourth bearing
Two stepped round platforms, the second draw-in groove and groove, are provided with the second snap ring in the second draw-in groove, two end faces of fourth bearing respectively with
Second stepped round platform, the second snap ring are offseted company, and sealing ring is provided with groove.Using this kind of technical scheme, can be to the 4th axle
Holding carries out spacing, prevents fourth bearing play when rotating, and sealing ring can prevent the impurity such as dust from entering planet from input shaft end
In frame, device transmission accuracy is influenceed.
3rd, a kind of planet-gear speed reducer of the invention, the number of its first planetary gear is three, is evenly arranged in planet
On frame.Using this kind of technical scheme, transmission effect is good and high transmission accuracy.
4th, a kind of planet-gear speed reducer of the invention, the first sun gear and planet carrier are formed in one structure, production plus
Work is convenient, installs simple, easy maintenance, high transmission accuracy, long service life, and the first sun gear front end is additionally provided with positioning
Axle and positioning bearing, locating shaft and positioning bearing are arranged in the blind hole of output shaft end, and the first sun gear and planet carrier are rotated
When it is highly stable, vibrate it is small, further increase transmission accuracy, device reliability is high.
Brief description of the drawings
Fig. 1 is structural representation of the invention.
Output shaft 1, oil sealing 2, output flange 3, planet carrier 4, the first sun gear 5, the first planetary gear 6, the first ring gear 7,
Input shaft 8, adpting flange 9, input flange 10, the second sun gear 11, the second planetary gear 12, the second ring gear 13, clutch shaft bearing
14, second bearing 15,3rd bearing 16, fourth bearing 17, the first planet axis 18, the second planet axis 19, blind hole 20, locating shaft
21, position bearing 22, the first stepped round platform 23, the first draw-in groove 24, the first snap ring 25, the second stepped round platform 26, the second card
Groove 27, groove 28, the second snap ring 29, sealing ring 30.
Specific embodiment
Further understand and recognize to make to have architectural feature of the invention and the effect reached, to preferably
Embodiment and accompanying drawing coordinate detailed description, are described as follows：
As shown in figure 1, a kind of planet-gear speed reducer, as improvement of the invention, including output shaft 1, oil sealing 2, output
Flange 3, planet carrier 4, the first sun gear 5, the first planetary gear 6, the first ring gear 7, input shaft 8, adpting flange 9, input flange
10th, the second sun gear 11, the second planetary gear 12, the second ring gear 13, clutch shaft bearing 14, second bearing 15,3rd bearing 16,
Four bearings 17, output shaft 1, planet carrier 4, input shaft 8, the first sun gear 5, the second sun gear 11 on same central axis,
One sun gear 5 and planet carrier 4 are formed in one structure, and the first planetary gear 6 is arranged on output shaft 1 by the first planet axis 18,
First planetary gear 6 is meshed with the first sun gear 5 and the first ring gear 7, and the second sun gear 11 is fixed with the front end of input shaft 8 and connected
Connect, the second planetary gear 12 is installed in planet carrier 4 by the second planet axis 19, the second planetary gear 12 and the second sun gear 11 and the
Two ring gears 13 are meshed, and clutch shaft bearing 14 and second bearing 15 are arranged between output shaft 1 and output flange 3,3rd bearing
16 are set between planet carriers 4 and adpting flange 9, and fourth bearing 17 is arranged between input shaft 8 and planet carrier 4, output shaft 1 with
Blind hole 20 is provided with the opposite position of first sun gear 5, it is fixed that the end face of the first sun gear 5 is provided with to elongation moulding in blind hole 20
Position axle 21, is provided with positioning bearing 22 between locating shaft 21 and blind hole 20, positioning bearing 22 is set on locating shaft 21.First too
Sun wheel 5 is formed in one structure with planet carrier 4, and production and processing is convenient, installs simple, and easy maintenance, high transmission accuracy uses the longevity
Life length, and the front end of the first sun gear 5 is additionally provided with locating shaft 21 and positioning bearing 22, and locating shaft 21 and positioning bearing 22 are set
In the blind hole 20 of the end of output shaft 1, the first sun gear 5 and planet carrier 4 are highly stable when rotating, and vibrate small, further raising
Transmission accuracy, device reliability is high.
Used as further improvement of the present invention, planet carrier 4 is provided with first at the position corresponding with 3rd bearing 16
The draw-in groove 24 of stepped round platform 23 and first, is provided with the first snap ring 25, two end faces point of 3rd bearing 16 in the first draw-in groove 24
Not with the first stepped round platform 23, the company of offseting of the first snap ring 25,3rd bearing 16 can be carried out spacing, prevent 3rd bearing 16 from existing
Play during rotation, improves device transmission accuracy.
Be provided with the position corresponding with fourth bearing 17 of planet carrier 4 second stepped round platform 26, the second draw-in groove 27 and
Groove 28, is provided with the second snap ring 29 in the second draw-in groove 27, two end faces of fourth bearing 17 respectively with the second stepped round platform
26th, the company of offseting of the second snap ring 29, is provided with sealing ring 30 in groove 28, fourth bearing 17 can be carried out spacing, prevents the 4th axle
Hold 17 rotate when play, sealing ring 30 can prevent the impurity such as dust from the end of input shaft 8 enter planet carrier 4 in, influence device pass
Dynamic precision.The number of the first planetary gear 6 is three, is evenly arranged in planet carrier 4, and effect is good and high transmission accuracy for transmission.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of skill in the art that it still can be right
Technical scheme described in previous embodiment is modified, or which part technical characteristic is replaced on an equal basis；And these
Modification is replaced, and does not make the spirit and scope of the essence disengaging various embodiments of the present invention technical scheme of appropriate technical solution.
Claims (4)
1. a kind of planet-gear speed reducer, it is characterised in that including output shaft (1), oil sealing (2), output flange (3), planet carrier
(4), the first sun gear (5), the first planetary gear (6), the first ring gear (7), input shaft (8), adpting flange (9), input flange
(10), the second sun gear (11), the second planetary gear (12), the second ring gear (13), clutch shaft bearing (14), second bearing (15),
3rd bearing (16), fourth bearing (17), the output shaft (1), the planet carrier (4), the input shaft (8), described first
Sun gear (5), second sun gear (11) on same central axis, first sun gear (5) and the planet carrier (4)
Be formed in one structure, first planetary gear (6) by the first planet axis (18) on the output shaft (1), it is described
First planetary gear (6) is meshed with first sun gear (5) and the first ring gear (7), second sun gear (11) and institute
State input shaft (8) front end to be fixedly connected, second planetary gear (12) is by the second planet axis (19) installed in the planet carrier
(4) on, second planetary gear (12) is meshed with second sun gear (11) and the second ring gear (13), the first axle
Hold (14) and the second bearing (15) is arranged between the output shaft (1) and the output flange (3), the 3rd bearing
(16) it is arranged between the planet carrier (4) and the adpting flange (9), the fourth bearing (17) is arranged on the input shaft
(8) between the planet carrier (4), blind hole is provided with the output shaft (1) and the first sun gear (5) opposite position
(20), the first sun gear (5) end face is provided with locating shaft (21), the locating shaft to the blind hole (20) interior elongation moulding
(21) positioning bearing (22) is provided between the blind hole (20), positioning bearing (22) is set in the locating shaft (21)
On.
2. a kind of planet-gear speed reducer according to claim 1, it is characterised in that the planet carrier (4) and described
The first stepped round platform (23) and the first draw-in groove (24), first draw-in groove are provided with the corresponding position of three bearings (16)
(24) be provided with the first snap ring (25) in, two end faces of the 3rd bearing (16) respectively with the described first stepped round platform
(23), the first snap ring (25) company of offseting.
3. a kind of planet-gear speed reducer according to claim 1, it is characterised in that the planet carrier (4) and described
The second stepped round platform (26), the second draw-in groove (27) and groove (28) are provided with the corresponding position of four bearings (17), it is described
Be provided with the second snap ring (29) in second draw-in groove (27), two end faces of the fourth bearing (17) respectively with second ladder
Sealing ring (30) is provided with shape round platform (26), second snap ring (29) company of offseting, the groove (28).
4. a kind of planet-gear speed reducer according to claim 1, it is characterised in that the number of first planetary gear (6)
Mesh is three, is evenly arranged on the planet carrier (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079624.0A CN106838136B (en) | 2017-02-10 | 2017-02-10 | A kind of planet-gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710079624.0A CN106838136B (en) | 2017-02-10 | 2017-02-10 | A kind of planet-gear speed reducer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106838136A true CN106838136A (en) | 2017-06-13 |
| CN106838136B CN106838136B (en) | 2019-01-18 |
Family
ID=59128229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710079624.0A Active CN106838136B (en) | 2017-02-10 | 2017-02-10 | A kind of planet-gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106838136B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541914A (en) * | 2019-09-30 | 2019-12-06 | 无锡威孚中意齿轮有限责任公司 | Anti-channeling's planetary reducer output shaft mounting structure |
| CN113685496A (en) * | 2021-10-26 | 2021-11-23 | 江苏摩多利传动机械制造有限公司 | Speed reducer for transmission of AGV trolley for logistics transportation |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0792415B1 (en) * | 1994-10-07 | 2001-11-28 | WINDTEC Anlagenerrichtungs- und Consulting GmbH | Planetary gear for wind turbines |
| CN103133609A (en) * | 2013-03-25 | 2013-06-05 | 盐城市金洲机械制造有限公司 | Planet speed reducer |
| CN204312633U (en) * | 2014-12-15 | 2015-05-06 | 宁波中大力德传动设备有限公司 | A kind of plane table thermoconductivity meter |
| CN205331403U (en) * | 2015-11-26 | 2016-06-22 | 宁波中大力德智能传动股份有限公司 | High -accuracy planetary gear reducer |
| CN205841637U (en) * | 2016-06-15 | 2016-12-28 | 广州启帆工业机器人有限公司 | A kind of planet-gear speed reducer |
-
2017
- 2017-02-10 CN CN201710079624.0A patent/CN106838136B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0792415B1 (en) * | 1994-10-07 | 2001-11-28 | WINDTEC Anlagenerrichtungs- und Consulting GmbH | Planetary gear for wind turbines |
| CN103133609A (en) * | 2013-03-25 | 2013-06-05 | 盐城市金洲机械制造有限公司 | Planet speed reducer |
| CN204312633U (en) * | 2014-12-15 | 2015-05-06 | 宁波中大力德传动设备有限公司 | A kind of plane table thermoconductivity meter |
| CN205331403U (en) * | 2015-11-26 | 2016-06-22 | 宁波中大力德智能传动股份有限公司 | High -accuracy planetary gear reducer |
| CN205841637U (en) * | 2016-06-15 | 2016-12-28 | 广州启帆工业机器人有限公司 | A kind of planet-gear speed reducer |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541914A (en) * | 2019-09-30 | 2019-12-06 | 无锡威孚中意齿轮有限责任公司 | Anti-channeling's planetary reducer output shaft mounting structure |
| CN113685496A (en) * | 2021-10-26 | 2021-11-23 | 江苏摩多利传动机械制造有限公司 | Speed reducer for transmission of AGV trolley for logistics transportation |
| CN113685496B (en) * | 2021-10-26 | 2021-12-28 | 江苏摩多利传动机械制造有限公司 | Speed reducer for transmission of AGV trolley for logistics transportation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106838136B (en) | 2019-01-18 |
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