CN205806410U - A kind of planet-gear speed reducer - Google Patents
A kind of planet-gear speed reducer Download PDFInfo
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- CN205806410U CN205806410U CN201620712225.4U CN201620712225U CN205806410U CN 205806410 U CN205806410 U CN 205806410U CN 201620712225 U CN201620712225 U CN 201620712225U CN 205806410 U CN205806410 U CN 205806410U
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- planet
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Abstract
nullThis utility model provides a kind of planet-gear speed reducer，Including casing，Input gear axle it has been horizontally disposed with in casing、Output shaft，Input gear axle is coaxially disposed with output shaft，Input gear axle is meshed with primary planet train near one end of output shaft，Primary planet train includes a primary planet wheel being meshed with input gear axle，One level is interspersed in the primary planet axle at described primary planet wheel center，Primary planet axle and a fixing connection of primary planet frame，It is formed with ring gear on primary planet frame，One end internal messing of ring gear and an output sun gear connects，The other end and an output planetary wheel of output sun gear are meshed，Output planetary wheel center is provided with output planetary axle，The periphery of output planetary wheel is arranged takes turns, with output planetary, the output gear being meshed，One end of output gear is connected with output shaft fixed cover，Output shaft is friction tight to be arranged in installing hole，Output shaft fixed cover periphery is provided with expansion sleeve in the position of corresponding described output shaft，Described planetary reducer is easy to process、Machining accuracy is low、Rigidity is strong.
Description
Technical field
This utility model relates to a kind of reductor, refers in particular to a kind of planet-gear speed reducer.
Background technology
Planetary reducer has compact conformation, and backhaul gap is little, and precision is higher, the advantage that specified output moment of torsion is big, at present
Planetary reducer all can be used in some need the heavy-duty machinery of big output moment of torsion.Existing planetary reducer typically only one
Level is slowed down, and speed reducing ratio is within 1/10, when needing the function realizing big retarding ratio, then needs the progression increasing reductor to come real
Existing.Existing multistage planet reductor mainly has two kinds of structures, and the first is to utilize screw to be connected in series by two ends ring gear, this
The shortcoming planting structure is that processing funds are higher, and is difficult to ensure that machining accuracy, and rigidity is not enough；Also having one is to form staged
Ring gear, the defect of this structure is that diameter ring gear at different levels is gradually reduced, due to gear ring be coaxial time processing formed, along with
Diameter reduces and causes clout to increase, and more wastes material, in addition, it is difficult to meet the output of high pulling torque.
Summary of the invention
The purpose of this utility model is that offer one is easy to process, machining accuracy is low, rigidity is strong and exports moment of torsion relatively
Big planet-gear speed reducer.
A kind of planet-gear speed reducer, including a casing, has been horizontally disposed with input gear axle, output in described casing
Axle, described input gear axle is coaxially disposed with output shaft, and described input gear axle is near at the beginning of one end of described output shaft with one
Level planet circular system is meshed, and described primary planet train includes a primary planet wheel being meshed with described input gear axle,
It is solid that one level is interspersed in the primary planet axle at described primary planet wheel center, described primary planet axle and a primary planet frame
Fixed connection, described primary planet frame is formed ring gear, and one end internal messing of described ring gear and an output sun gear is even
Connecing, the other end and an output planetary wheel of described output sun gear are meshed, and described output planetary wheel center is provided with output
Planet axis, the periphery of described output planetary wheel is provided with takes turns, with described output planetary, the output gear being meshed, output gear
One end is connected with an output shaft fixed cover, and described output shaft fixed cover is centrally formed installing hole, and described output shaft is friction tight
Being arranged on described installing hole interior with described output shaft fixed cover synchronous axial system, described output shaft fixed cover periphery is described defeated in correspondence
The position of shaft is provided with expansion sleeve.
Described primary planet wheel periphery be meshed with a primary annulus, described casing corresponding described primary annulus,
The position of output gear is provided with the first installing hole and the second installing hole, and described primary annulus is separately positioned on output gear
In described first installing hole and the second installing hole, it is fixing with described casing even that described primary annulus fixes screw by one first
Connecing, described output gear and one second fix that screw is fixing with described casing to be connected.
Described input gear axle is being provided with the first top dome, the first top dome and output in the face of one end of described output sun gear
Being provided with regulating fender between sun gear, described primary planet frame is centrally formed and the installing hole of described ring gear concentric, institute
State regulating fender to be arranged in described installing hole, in described installing hole, be also formed with a circle mounting groove, inlay card in described mounting groove
A back-up ring to described regulating fender axial limiting is installed, back-up ring described in the contact respectively of the two ends of described regulating fender with
Output sun gear.
Support between described output sun gear and casing and have big cylinder roller bearing, described output planetary axle and output planetary
Connecting between wheel has two small column roller bearings, said two small column roller bearing to be set in described output planetary axle
Two ends, axially spaced setting between two small column roller bearings, be provided with bearing between small column roller bearing spacing
Back-up ring, the inlay card of described bearing spacing back-up ring axial limiting is arranged on described output planetary wheel.
Offering input hole and delivery outlet on described casing, described input gear axle and output shaft are separately mounted to described defeated
Hand-hole, with in delivery outlet, described input hole is provided with input end cap, is sealed and installed with between input end cap and input gear axle
Input oil sealing, described delivery outlet is provided with output end cap, is sealed and installed with output oil seal between output end cap and output shaft.
Described input gear axle is supported on described casing by two deep groove ball bearings, sheathed on described input gear axle
There are axle sleeve, the two ends being arranged on axle sleeve at described deep groove ball bearing interval.
The beneficial effects of the utility model are: Novel gear speed reducer described in the utility model by primary planet axle with
Primary planet frame is fixing to be connected, and primary planet frame is formed ring gear, and ring gear is connected with one end internal messing of output sun gear,
And the other end coordinating described output sun gear is meshed with output planetary wheel, output planetary wheel center is provided with output planetary
Axle, one end of output gear is connected with an output shaft fixed cover, and described output shaft fixed cover is centrally formed installing hole, described defeated
Shaft is friction tight to be arranged in described installing hole with described output shaft fixed cover synchronous axial system, described reductor during fabrication without
Need the multistage ring gear of coaxial molding, it is not necessary to high manufacturing accuracy can ensure the transmission between primary planet wheel and output planetary wheel even
Connect, overcome the defect that in background technology, planet axis primary is successively decreased, it is possible to ensureing the output of high pulling torque, Stability Analysis of Structures, rigidity is strong.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of planet-gear speed reducer described in the utility model.
Detailed description of the invention
It show planet-gear speed reducer described in the utility model, including a casing 4, described casing 4 refering to accompanying drawing 1
Inside being horizontally disposed with input gear axle 1, output shaft 19, described input gear axle 1 is coaxially disposed with output shaft 19, described input tooth
Wheel shaft 1 is meshed with a primary planet train near one end of described output shaft 19, and described primary planet train includes one
The primary planet wheel 30 being meshed with described input gear axle 1, a level is interspersed in described primary planet and takes turns at the beginning of 30 centers
Level planet axis 7, described primary planet axle 7 is fixing with a primary planet frame 10 to be connected, and described primary planet frame 10 is formed
Ring gear, one end internal messing of described ring gear and an output sun gear 15 connects, the other end of described output sun gear 15
Being meshed with an output planetary wheel 14, described output planetary is taken turns 14 centers and is provided with output planetary axle 28, described output planetary
The periphery of wheel 14 is provided with the output gear 13 being meshed with described output planetary wheel 14, and one end of output gear 13 is defeated with one
Shaft fixed cover 29 connects, and described output shaft fixed cover 29 is centrally formed installing hole, and described output shaft 19 is friction tight to be arranged on
With described output shaft fixed cover 29 synchronous axial system in described installing hole, described output shaft fixed cover 29 periphery is in corresponding described output
The position of axle 19 is provided with expansion sleeve 22.
The periphery of described primary planet wheel 30 is meshed with a primary annulus 8, and described casing 4 is at corresponding described primary teeth
Circle 8, the position of output gear 13 are provided with the first installing hole 25 and the second installing hole 26, described primary annulus 8 and output gear
Circle 13 is separately positioned in described first installing hole 25 and the second installing hole 26, and described primary annulus 8 is fixed by one first
Screw 33 is fixing with described casing 4 to be connected, and described output gear fixes screw 34 and described casing 4 company of fixing with one second
Connect.
Described input gear axle 1 is being provided with the first top dome 35, the first top dome in the face of one end of described output sun gear 15
Being provided with regulating fender 11 between 35 and output sun gear 15, described primary planet frame 10 is centrally formed coaxial with described ring gear
The installing hole 23 of the heart, described regulating fender 11 is arranged in described installing hole 23, is also formed with a circle peace in described installing hole 23
Tankage, in described mounting groove, inlay card is provided with a back-up ring 24 to described regulating fender 22 axial limiting, described adjustment gear
Back-up ring 24 described in the contact respectively of the two ends of plate 22 and output sun gear 15.
Support between described output sun gear 15 and casing 4 and have a big cylinder roller bearing 16, described output planetary axle 28 with
Connect between output planetary wheel 14 that to have two small column roller bearings, said two small column roller bearing to be set in described
The two ends of output planetary axle 28, axially spaced setting between two small column roller bearings, set between small column roller bearing
Being equipped with the spacing back-up ring of bearing 27, the inlay card of described bearing spacing back-up ring 27 axial limiting is arranged on described output planetary wheel 14.
Offering input hole 17 and delivery outlet 18 on described casing 4, described input gear axle 1 is respectively mounted with output shaft 19
At described input hole 17 with in delivery outlet 18, described input hole 17 is provided with input end cap 3, input end cap 3 and input gear
It is sealed and installed with input oil sealing 2 between axle 1, described delivery outlet 18 is provided with output end cap 21, output end cap 21 and output shaft
Output oil seal 20 it is sealed and installed with between 19.
Described input gear axle 1 is held by two deep-groove ball axles 6 and is supported on described casing 4, on described input gear axle 1
It is arranged with axle sleeve 5, the two ends being arranged on axle sleeve 5 at described deep groove ball bearing interval.
From above to description of the present utility model: Novel gear speed reducer described in the utility model is by primary planet
Axle is fixing with primary planet frame to be connected, and primary planet frame is formed ring gear, ring gear and one end internal messing exporting sun gear
Connecting, and coordinate the other end of described output sun gear to be meshed with output planetary wheel, output planetary wheel center is provided with defeated
Going out planet axis, one end of output gear is connected with an output shaft fixed cover, and described output shaft fixed cover is centrally formed installing hole,
Described output shaft is friction tight to be arranged in described installing hole with described output shaft fixed cover synchronous axial system, and described reductor is in system
Without the multistage ring gear of coaxial molding when making, it is not necessary to high manufacturing accuracy can ensure between primary planet wheel and output planetary wheel
It is in transmission connection, overcomes the defect that in background technology, planet axis primary is successively decreased, it is possible to the output of guarantee high pulling torque, Stability Analysis of Structures, just
Property is strong.
Claims (6)
1. a planet-gear speed reducer, it is characterised in that: include a casing, in described casing, be horizontally disposed with input gear
Axle, output shaft, described input gear axle is coaxially disposed with output shaft, described input gear axle near one end of described output shaft with
One primary planet train is meshed, and described primary planet train includes a primary row being meshed with described input gear axle
Star-wheel, a level is interspersed in the primary planet axle at described primary planet wheel center, described primary planet axle and a primary row
Carrier is fixing to be connected, and described primary planet frame is formed with ring gear, in one end of described ring gear and an output sun gear
Engagement connects, and the other end and an output planetary wheel of described output sun gear are meshed, and described output planetary wheel center is installed
There are output planetary axle, the periphery of described output planetary wheel to be provided with described output planetary and take turns the output gear being meshed, output
One end of gear ring is connected with an output shaft fixed cover, and described output shaft fixed cover is centrally formed installing hole, and described output shaft is tight
Coordinate is arranged in described installing hole with described output shaft fixed cover synchronous axial system, and described output shaft fixed cover periphery is in correspondence
The position of described output shaft is provided with expansion sleeve.
Planet-gear speed reducer the most according to claim 1, it is characterised in that: the periphery of described primary planet wheel and one
Primary annulus is meshed, described casing be provided with in corresponding described primary annulus, the position of output gear the first installing hole with
Second installing hole, described primary annulus and output gear are separately positioned in described first installing hole and the second installing hole, described
Primary annulus is fixed screw and described casing by one first and is fixed and be connected, and described output gear and one second fix screw
Fix with described casing and be connected.
Planet-gear speed reducer the most according to claim 1, it is characterised in that: described input gear axle is in the face of described defeated
Sunny one end taken turns is provided with the first top dome, is provided with regulating fender, described primary between the first top dome and output sun gear
Planet carrier is centrally formed and the installing hole of described ring gear concentric, and described regulating fender is arranged in described installing hole, described
Being also formed with a circle mounting groove in installing hole, in described mounting groove, inlay card is provided with one to described regulating fender axial limiting
Back-up ring, back-up ring and output sun gear described in the contact respectively of the two ends of described regulating fender.
Planet-gear speed reducer the most according to claim 1, it is characterised in that: prop up between described output sun gear and casing
Support has big cylinder roller bearing, and described output planetary axle is connected between taking turns with output planetary two small column roller bearings, institute
State two small column roller bearings and be set in the two ends of described output planetary axle, along axle between two small column roller bearings
Arrange to interval, between small column roller bearing, be provided with the spacing back-up ring of bearing, the card of described bearing spacing back-up ring axial limiting
Embedding be arranged on described output planetary wheel on.
5. according to the planet-gear speed reducer according to any one of Claims 1 to 4, it is characterised in that: offer on described casing
Input hole and delivery outlet, described input gear axle and output shaft is had to be separately mounted in described input hole and delivery outlet, described defeated
Input end cap is installed on hand-hole, between input end cap and input gear axle, is sealed and installed with input oil sealing, on described delivery outlet
Output end cap is installed, between output end cap and output shaft, is sealed and installed with output oil seal.
Planet-gear speed reducer the most according to claim 5, it is characterised in that: described input gear axle passes through two zanjons
Ball bearing is supported on described casing, and described input gear axle is arranged with axle sleeve, being arranged on of described deep groove ball bearing interval
The two ends of axle sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712225.4U CN205806410U (en) | 2016-06-30 | 2016-06-30 | A kind of planet-gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620712225.4U CN205806410U (en) | 2016-06-30 | 2016-06-30 | A kind of planet-gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205806410U true CN205806410U (en) | 2016-12-14 |
Family
ID=58141408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620712225.4U Active CN205806410U (en) | 2016-06-30 | 2016-06-30 | A kind of planet-gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205806410U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343711A (en) * | 2018-04-26 | 2018-07-31 | 郑州机械研究所有限公司 | Coaxial-type large torque hollow shaft input and output planetary driving device |
| 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 |
-
2016
- 2016-06-30 CN CN201620712225.4U patent/CN205806410U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108343711A (en) * | 2018-04-26 | 2018-07-31 | 郑州机械研究所有限公司 | Coaxial-type large torque hollow shaft input and output planetary driving device |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 325000 No. 30-70 Xingqiang Road, Electrical and Mechanical Venture Park, Wanquan Town, Pingyang County, Wenzhou City, Zhejiang Province Patentee after: Zhejiang Heng Teeth Drive Co., Ltd. Address before: 325000 Sunlou Intersection of Machinery Park, Wanquan Light Industry Base, Pingyang County, Wenzhou City, Zhejiang Province Patentee before: Zhejiang Evergear Driving Machine Co., Ltd. |
|
| CP03 | Change of name, title or address |