CN208686898U - A kind of planetary reducer - Google Patents
A kind of planetary reducer Download PDFInfo
- Publication number
- CN208686898U CN208686898U CN201821288888.3U CN201821288888U CN208686898U CN 208686898 U CN208686898 U CN 208686898U CN 201821288888 U CN201821288888 U CN 201821288888U CN 208686898 U CN208686898 U CN 208686898U
- Authority
- CN
- China
- Prior art keywords
- bearing
- end housing
- planet carrier
- 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.)
- Active
Links
Landscapes
- Retarders (AREA)
Abstract
The utility model provides a kind of planetary reducer, belongs to field of mechanical technique.It is big that it solves the problems, such as that existing planetary reducer adds up installation error.This planetary reducer includes input end housing and output end housing, the input shaft being coaxially arranged is equipped in input end housing, one end of input shaft is sun gear, it exports and is equipped with planet carrier in end housing, planetary gear is fixed on planet carrier, planetary gear is engaged in sun gear and planetary gear is engaged in the ring gear that output end housing has, input shaft outer wall is cased with the bearing one matched, bearing two and bearing three are cased with outside planet carrier, bearing two is between bearing one and bearing three, planet carrier outer end has the output shaft for being connected and stretching out output end housing, output shaft and input shaft are coaxially disposed, planet carrier inner end has axial extension and tubular support portion, the inner wall of support portion supports cooperation for the outer ring of bearing one.The utility model can be reduced installation cumulative errors to improve running precision.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of speed reducer, in particular to a kind of planetary reducer.
Background technique
Traditional various speed reducers, cannot be provided simultaneously with the function of free changed speed operation and high-precision resetting, also
The problems such as it is bigger that there are back lashes, and concentricity cannot be guaranteed, bearing capacity is lower is not able to satisfy the requirement of accurate facility.
In view of the above problems, people devise a kind of precise speed reducer with adjustable speed and applied patent [application number:
201020627677.5；Authorization Notice No.: CN201884575U] comprising stepless speed changer, the output shaft of stepless speed changer with
The input shaft grafting of planet-gear speed reducer interlocks, and input shaft one end of planet-gear speed reducer is as planet-gear speed reducer
Sun gear engages planetary gear, and planetary gear engages ring gear, and the pin shaft of planetary gear connects with planet carrier, and planet carrier interlocks planetary gear
The output shaft of speed reducer, is arranged bearing between pin shaft and planetary gear.
Above-mentioned precise speed reducer with adjustable speed is provided simultaneously with free changed speed operation and high-precision resetting function, also has
Advantage compact-sized, back lash is small, but the component of input shaft and sun tooth is mounted in input end housing, inputs end housing
Body is connect with planet carrier again, because there are mismachining tolerances for input terminal shell itself, in addition the installation of input end housing and planet carrier is tired
Error is counted, causes the running precision of speed reducer to become in deviation so that the operating axle center of sun tooth and the operating shaft of planet carrier are felt
Difference influences using effect.
Summary of the invention
The purpose of this utility model is to provide one kind for the above-mentioned problems in the prior art and can be reduced to install and tire out
Error is counted to improve the planetary reducer of running precision.
The purpose of this utility model can be realized by the following technical scheme: a kind of planetary reducer, including input end housing
Body and the output end housing being fixedly connected with input end housing, the input end housing is interior to be equipped with the input being coaxially arranged
Axis, one end of the input shaft are sun gear, and planet carrier is equipped in the output end housing, is consolidated on the planet carrier
Surely there is planetary gear, the planetary gear is engaged in sun gear and planetary gear is engaged in the ring gear that output end housing has, institute
The input shaft outer wall stated is cased with the bearing one matched, and bearing two and bearing three, the bearing are cased with outside the planet carrier
Two between bearing one and bearing three, which is characterized in that the planet carrier outer end, which has, to be connected and stretch out output end
The output shaft of shell, the output shaft and input shaft are coaxially disposed, and the planet carrier inner end has axial extension and is in cylinder
The inner wall of the support portion of shape, the support portion supports cooperation for the outer ring of bearing one.
In a kind of above-mentioned planetary reducer, the input shaft includes sun gear and tubular connecting cylinder, institute
Sun gear and the connecting cylinder coaxial arrangement stated, one end of the sun gear penetrate connecting cylinder and are fixedly connected with connecting cylinder,
The outer wall of the connecting cylinder is arranged for bearing one.
In a kind of above-mentioned planetary reducer, the connecting cylinder has a circle radially protruding and for one inner ring one of bearing
Side against shoulder block one, the connecting cylinder be embedded with for the one inner ring other side of bearing against axis circlip, the axis uses
Circlip is arranged compared with shoulder block one close to sun gear, the inner wall of the support portion have for one outer ring side of bearing against shoulder block
Two, the support portion be embedded with for the one outer ring other side of bearing against hole card spring, the hole card spring close to support
The setting of portion end.
In a kind of above-mentioned planetary reducer, sealing ring is equipped between one outer ring of bearing and support portion inner wall
One.This ensure that the leakproofness between bearing one and support portion.
In a kind of above-mentioned planetary reducer, the output end housing have for two outer ring of bearing against shoulder block
Three, the planet carrier have for two inner ring of bearing far from three side of shoulder block against shoulder block four.The axis of bearing two has been achieved
To fixation.
In a kind of above-mentioned planetary reducer, two outer perimeter section of bearing is supported in input terminal inner walls, and
It inputs between end housing and output end housing and is equipped with sealing ring two.Bearing two plays support positioning action in this way, ensure that input
The connection precision of end housing and output end housing, sealing ring two ensure that input end housing and export the sealing between end housing
Property.
In a kind of above-mentioned planetary reducer, the output end housing have on the inside of three outer ring of bearing against gear
Shoulder five, the planet carrier be fixed on the outside of bearing three inner ring against clamp ring, between the clamp ring and planet carrier
Equipped with sealing ring three, oil sealing is equipped between the clamp ring and output end housing.
Compared with prior art, this planetary reducer is reasonable in design, what reduction to be formed because multiple components assemble
Accumulative installation error ensure that current row so that the operation axle center of sun gear and the operating axle center of planet carrier are on the same line
The running accuracy of star speed reducer, and easy to assembly, good airproof performance, long service life.
Detailed description of the invention
Fig. 1 is the schematic structural cross-sectional view of this planetary reducer.
Fig. 2 is the structural schematic diagram of planet carrier in this planetary reducer.
In figure, 1, input end housing；2, end housing is exported；21, shoulder block three；22, shoulder block five；3, input shaft；31, sun tooth
Wheel；32, connecting cylinder；321, shoulder block one；4, planet carrier；41, output shaft；42, support portion；421, shoulder block two；43, shoulder block four；5,
Planetary gear；6, ring gear；7, bearing one；8, bearing two；9, bearing three；10, axis circlip；11, hole card spring；12, sealing ring
One；13, sealing ring two；14, clamp ring；15, sealing ring three；16, oil sealing.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As depicted in figs. 1 and 2, this planetary reducer includes the output for inputting end housing 1 and being fixedly connected with input end housing 1
End housing 2, input end housing 1 is interior to be equipped with the input shaft 3 being coaxially arranged, and one end of input shaft 3 is sun gear 31, output
It is equipped with planet carrier 4 in end housing 2, is fixed with planetary gear 5 on planet carrier 4, planetary gear 5 is engaged in sun gear 31 and planetary gear 5
It is engaged in the ring gear 6 that output end housing 2 has, 3 outer wall of input shaft is cased with the bearing 1 matched, axis is cased with outside planet carrier 4
28 and bearing 39 are held, between bearing 1 and bearing 39,4 outer end of planet carrier has to be connected and stretch out bearing 28
The output shaft 41 of end housing 2 is exported, output shaft 41 and input shaft 3 are coaxially disposed, and 4 inner end of planet carrier has axial extension and is in cylinder
The inner wall of the support portion 42 of shape, support portion 42 supports cooperation for the outer ring of bearing 1.
This planetary reducer middle (center) bearing 1 avoids installation cumulative errors (input terminal between planet carrier 4 and input shaft 3
Installation error of 1 mismachining tolerance of shell plus input end housing 1 and planet carrier 4) installation essence is caused to bearing 1 and input shaft 3
Degree influences, so that input shaft 3 and output shaft 41 are coaxially disposed, will not make operating axle center and the planet carrier 4 of sun gear 31
Operate axis there are deviations, improve the running precision of this planetary reducer, in addition three on planet carrier 4 at for be in bearing 1, axis
Hold 28 and bearing 39 cooperate bearing guard be simultaneous processing, it is ensured that sun gear 31 run axle center and planet carrier 4
The axle center of operation is on same straight line.
It further describes in detail, input shaft 3 includes sun gear 31 and tubular connecting cylinder 32, sun gear 31 and connecting cylinder
32 coaxial arrangements, one end of sun gear 31 penetrate connecting cylinder 32 and are fixedly connected with connecting cylinder 32, practical to manufacture Shi Yigen pin
It is fixedly connected with the two across the end that connecting cylinder 32 and sun gear 31 pass through connecting cylinder 32, the outer wall of connecting cylinder 32 is for bearing one
7 are arranged.Input shaft 3 is split type in this way, easy to process, and the accuracy of manufacture is high, reduces mismachining tolerance.
Connecting cylinder 32 have a circle radially protruding and for one 7 inner ring side of bearing against shoulder block 1, connecting cylinder 32 is embedding
Equipped with for the one 7 inner ring other side of bearing against axis circlip 10, axis circlip 10 sets compared with shoulder block 1 close to sun gear 31
Set, the inner wall of support portion 42 have for one 7 outer ring side of bearing against shoulder block 2 421, support portion 42 is embedded with for bearing 1
The outer ring other side against hole card spring 11, the hole card spring 11 close to 42 end of support portion be arranged.First by bearing 1
Loaded on connecting cylinder 32, make one 7 axial limiting of bearing with axis circlip 10 later, bearing 1 avoided to slip from connecting cylinder 32,
Then sun gear 31, connecting cylinder 32 and bearing 1 are installed on planet carrier 4, are then fixed with card with circlip, prevents bearing
One 7 axial floats, it is easy to assembly in this way.
Sealing ring 1 is equipped between 42 inner wall of one 7 outer ring of bearing and support portion, output end housing 2 has for bearing 28
Outer ring against shoulder block 3 21, planet carrier 4 have for 28 inner ring of bearing far from 3 21 side of shoulder block against shoulder block 4 43, bearing
28 outer perimeter sections are supported in input 1 inner wall of end housing, and input between end housing 1 and output end housing 2 and be equipped with sealing ring two
13。
Export end housing 2 have on the inside of 39 outer ring of bearing against shoulder block 5 22, planet carrier 4 is fixed with for bearing 39
On the outside of inner ring against clamp ring 14, sealing ring 3 15, clamp ring 14 and output end housing are equipped between clamp ring 14 and planet carrier 4
Oil sealing 16 is equipped between body 2.The installation of bearing 39 is achieved, bearing 39 can be packed into from output end housing 2, convenient for peace
Dress, clamp ring 14 avoid oil sealing 16 from wearing planet carrier 4, and sealing ring 3 15 ensure that the sealing between planet carrier 4 and clamp ring 14
Property, oil sealing 16 ensure that planet carrier 4 and export the leakproofness between end housing 2.
The content being not described in detail in this specification belongs to the prior art well known to professional and technical personnel in the field.Herein
Described in specific embodiment be only the spirit of the present invention is given an example.The utility model technical field
Technical staff can make various modifications or additions to the described embodiments or be substituted in a similar manner, but
Without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of planetary reducer, including input end housing (1) and the output end housing (2) being fixedly connected with input end housing (1),
The input shaft (3) being coaxially arranged is equipped in the input end housing (1), one end of the input shaft (3) is the sun
Gear (31), the output end housing (2) is interior to be equipped with planet carrier (4), is fixed with planetary gear (5) on the planet carrier (4),
The planetary gear (5) is engaged in sun gear (31) and planetary gear (5) is engaged in the ring gear that output end housing (2) has
(6), the input shaft (3) outer wall is cased with the bearing one (7) matched, be cased with outside the planet carrier (4) bearing two (8) and
Bearing three (9), the bearing two (8) is between bearing one (7) and bearing three (9), which is characterized in that the planet carrier
(4) outer end has the output shaft (41) for being connected and stretching out output end housing (2), the output shaft (41) and input shaft
(3) it is coaxially disposed, the planet carrier (4) inner end has axial extension and tubular support portion (42), the support portion
(42) inner wall supports cooperation for the outer ring of bearing one (7).
2. a kind of planetary reducer according to claim 1, which is characterized in that the input shaft (3) includes sun tooth
Take turns (31) and tubular connecting cylinder (32), the sun gear (31) and connecting cylinder (32) coaxial arrangement, the sun
One end of gear (31) penetrates connecting cylinder (32) and is fixedly connected with connecting cylinder (32), and the outer wall of the connecting cylinder (32) is for bearing
One (7) are arranged.
3. a kind of planetary reducer according to claim 2, which is characterized in that the connecting cylinder (32) has a circle diameter
To protrusion and for bearing one (7) inner ring side against shoulder block one (321), the connecting cylinder (32) is embedded with for bearing one
(7) the inner ring other side against axis with circlip (10), the axis is with circlip (10) compared with shoulder block one (321) close to sun gear
(31) be arranged, the inner wall of the support portion (42) have for bearing one (7) outer ring side against shoulder block two (421), it is described
Support portion (42) be embedded with for bearing one (7) outer ring other side against hole card spring (11), the hole card spring (11)
It is arranged close to support portion (42) end.
4. a kind of planetary reducer according to claim 3, which is characterized in that bearing one (7) outer ring and support
Sealing ring one (12) is equipped between portion (42) inner wall.
5. a kind of planetary reducer according to claim 4, which is characterized in that the output end housing (2), which has, to be supplied
Bearing two (8) outer ring against shoulder block three (21), the planet carrier (4) have for bearing two (8) inner ring far from shoulder block three
(21) side against shoulder block four (43).
6. a kind of planetary reducer according to claim 5, which is characterized in that described bearing two (8) the outer perimeter section branch
It supports in input end housing (1) inner wall, and inputs and be equipped with sealing ring two (13) between end housing (1) and output end housing (2).
7. a kind of planetary reducer according to claim 6, which is characterized in that the output end housing (2), which has, to be supplied
On the inside of bearing three (9) outer ring against shoulder block five (22), the planet carrier (4) is fixed with for supporting on the outside of bearing three (9) inner ring
The clamp ring (14) leaned on is equipped with sealing ring three (15), the clamp ring between the clamp ring (14) and planet carrier (4)
(14) oil sealing (16) are equipped between output end housing (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288888.3U CN208686898U (en) | 2018-08-10 | 2018-08-10 | A kind of planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821288888.3U CN208686898U (en) | 2018-08-10 | 2018-08-10 | A kind of planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686898U true CN208686898U (en) | 2019-04-02 |
Family
ID=65884769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821288888.3U Active CN208686898U (en) | 2018-08-10 | 2018-08-10 | A kind of planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686898U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757846A (en) * | 2018-08-10 | 2018-11-06 | 浙江三凯机电有限公司 | A kind of planetary reducer |
| CN110131399A (en) * | 2019-06-13 | 2019-08-16 | 浙江三凯机电有限公司 | Combined type precise planet-gear speed reducer |
| CN110360276A (en) * | 2019-07-26 | 2019-10-22 | 江苏摩多利传动机械制造有限公司 | A kind of planetary reducer reducing output shaft axial float |
| CN112145630A (en) * | 2020-09-26 | 2020-12-29 | 南京好龙电子有限公司 | Planetary gear reducer with planet carrier positioning mechanism |
| WO2022127240A1 (en) * | 2020-12-18 | 2022-06-23 | 浙江三凯机电有限公司 | Precision planetary gear reducer |
-
2018
- 2018-08-10 CN CN201821288888.3U patent/CN208686898U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108757846A (en) * | 2018-08-10 | 2018-11-06 | 浙江三凯机电有限公司 | A kind of planetary reducer |
| CN110131399A (en) * | 2019-06-13 | 2019-08-16 | 浙江三凯机电有限公司 | Combined type precise planet-gear speed reducer |
| CN110131399B (en) * | 2019-06-13 | 2024-01-09 | 浙江三凯机电有限公司 | Combined precision planetary gear reducer |
| CN110360276A (en) * | 2019-07-26 | 2019-10-22 | 江苏摩多利传动机械制造有限公司 | A kind of planetary reducer reducing output shaft axial float |
| CN112145630A (en) * | 2020-09-26 | 2020-12-29 | 南京好龙电子有限公司 | Planetary gear reducer with planet carrier positioning mechanism |
| WO2022127240A1 (en) * | 2020-12-18 | 2022-06-23 | 浙江三凯机电有限公司 | Precision planetary gear reducer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208686898U (en) | A kind of planetary reducer | |
| CN108757846A (en) | A kind of planetary reducer | |
| CN207485974U (en) | A kind of motor reducer | |
| CN105090372A (en) | Wave generator external novel harmonic gear transmission device | |
| CN109681587A (en) | Compound planetary gear arrangement | |
| CN109372952A (en) | A kind of compact cycloid in planet harmonic wave speed change gear and its method for changing speed | |
| CN106224453A (en) | A kind of big retarding is than external toothing quill shaft planetary reduction gear | |
| CN103764497A (en) | Hub of a wind turbine | |
| CN209100611U (en) | A kind of planet carrier of planetary reduction gear and sun gear connection structure | |
| CN104999476A (en) | Joint bearing reducer of robot | |
| CN209146283U (en) | A kind of improved planetary reducer | |
| CN204239628U (en) | Cycloidal planetary gear speed reducer | |
| CN104061316B (en) | The slow-speed shaft supporting construction of wind turbine gearbox | |
| CN205806410U (en) | A kind of planet-gear speed reducer | |
| CN206962569U (en) | A kind of rotor and its servomotor | |
| CN214850743U (en) | Clutch-free through shaft type inner rotor hub motor | |
| CN201217361Y (en) | Hemming type automobile hub bearing unit | |
| CN205622367U (en) | Recessed formula differential dual output motor of end cover | |
| CN205639529U (en) | Transaxle differential mechanism differential side gear's mounting structure | |
| CN206708357U (en) | A kind of gear backlash adjusts structure | |
| CN106337904B (en) | The coaxial output planetary transmission mechanism of double freedom | |
| CN208734815U (en) | A kind of RV speed reducer of ultralow reduction ratio | |
| CN205315664U (en) | Integral leading gear reduction unit | |
| CN207673722U (en) | A kind of rigid bearing bearing lubrication system | |
| CN204954860U (en) | Robot joint bearing speed reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |