CN206409577U - Two-stage planetary reducer - Google Patents
Two-stage planetary reducer Download PDFInfo
- Publication number
- CN206409577U CN206409577U CN201621372595.4U CN201621372595U CN206409577U CN 206409577 U CN206409577 U CN 206409577U CN 201621372595 U CN201621372595 U CN 201621372595U CN 206409577 U CN206409577 U CN 206409577U
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- CN
- China
- Prior art keywords
- stage
- shaft
- flange
- primary planet
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of good two-stage planetary reducer of operational effect, including：Input flange, the ring gear being connected by the first screw with input flange, the output flange being connected by the second screw with ring gear, input shaft is provided with by bearing of input shaft in the ring gear, 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, 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 utility model is related to a kind of reductor, more particularly to a kind of two-stage planetary reducer.
Background technology
Planetary gear in planetary reducer except can as fixed axis gear around in addition to the rotary shaft of oneself is rotated,
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,
Application is wider.Current planetary reducer majority uses 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 which bearing of input shaft is assembled in counter flange
Flange connections can have gap when gear ring structure is assembled, and such concentricity is unfavorable for the overall operation of reductor, separately than larger
Outside, 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 at bearing of input shaft, cause the lubricating oil in reductor to be lost in, can also be to the driving for driving reductor
Motor belt motor carrys out very major injury.
Utility model content
Technical problem to be solved in the utility model is：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 in the utility model is：Two-stage planetary reducer, including：
Input flange, the ring gear being connected by the first screw with input flange, by the second screw be connected with ring gear it is defeated
Go out flange, input shaft is provided with by bearing of input shaft in the ring gear, input flange is stretched into one end of the input shaft
It is interior, one-level sun wheel shaft is provided with the other end of the input shaft, one-level is provided with too in the one-level sun wheel shaft
Sun wheel, the one-level sun gear is intermeshed with some primary planet pinions, and the primary planet pinion is mutually nibbled with ring gear
Close, the primary planet pinion is rolled by the full needle bearing of one-level and is arranged on primary planet pinion bearing pin, the one-level row
The two ends of star gear bearing pin are stretched out primary planet pinion and are connected with primary planet carrier, and two are provided with the primary planet carrier
Level sun 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
Gear is intermeshed, and the two-stage planet is intermeshed with ring gear, and the two-stage planet passes through the full needle roller of two-stage
Bearing element is arranged on two-stage planet bearing pin, the two ends of the two-stage planet bearing pin stretch out two-stage planet with
Two-stage planet carrier is connected, and two groups of output shaft bearings are provided with output shaft in the output flange, the output shaft
One end is stretched into be connected in ring gear with two-stage planet carrier, and the other end of the output shaft stretches out output flange, in the input
The first oil sealing is provided between the side input flange and input shaft of axle bearing, in the side output flange of the output shaft bearing
The second oil sealing is provided between output shaft.
The utility model has the advantages that：Above-mentioned two-stage planetary reducer, is slowed down using two-stage planet, output torque
Greatly, applied widely, structural behaviour is good, is hardly damaged, while ring gear is overall gear ring structure, eliminates counter flange, will
Bearing of input shaft is assemblied in overall gear ring, eliminates the gap between counter flange and gear ring, overall gear ring structure concentricity
It is good, be conducive to the overall operation of reductor, operational effect is good, Stability Analysis of Structures, in addition, reductor output end and input all
Provided with oil sealing, good sealing effect can effectively prevent oil leak.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model two-stage planetary reducer.
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.
Embodiment
Particular content of the present utility model 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 connect, the output flange 5 being connected by the second screw 4 with ring gear 3,
Input shaft 7 is provided with by bearing of input shaft 6 in the ring gear 3, input method is stretched into one end of the input shaft 7
In orchid 1, one-level sun wheel shaft 8 is provided with the other end of the input shaft 7, is provided with the one-level sun wheel shaft 8
One-level sun gear 9, the one-level sun gear 9 is intermeshed with some primary planet pinions 10, the primary planet pinion 10 with
Ring gear 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
On bearing pin 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, the two-stage sun is provided with the two-stage sun wheel shaft 14
Wheel 15, the two-stage sun gear 15 is intermeshed with some two-stage planets 16, the two-stage planet 16 and ring gear 3
Intermeshing, 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
On, 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, described
Two groups of output shaft bearings 20 are provided with output shaft 21 in output flange 5, one end of the output shaft 21 is stretched into ring gear 3
It is connected with two-stage planet carrier 19, the other end of the output shaft 21 stretches out output flange 5, the one of the bearing of input shaft 6
The first oil sealing 22 is provided between side input flange 1 and input shaft 7, the output shaft bearing 20 side output flange 5 with
The second oil sealing 23 is provided between output shaft 21.
Above-mentioned two-stage planetary reducer is driven in use, the input shaft 7 of reductor is connected with the motor shaft of motor
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 with its intermeshing primary planet pinion 10 in ring gear 3, primary planet pinion 10 passes through one
Level planet pinion shaft 12 drives primary planet carrier 13 to rotate, while primary planet pinion 10 revolves round the sun in ring gear 3, one-level
Planetary gear 10 drives two-stage by the full autobiography on primary planet pinion bearing pin 12 of needle bearing 11 of one-level, primary planet carrier 13
Sun 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 and mutually nibbled with it
The two-stage planet 16 of conjunction is rotated in ring gear 3, and two-stage planet 16 drives two by two-stage planet bearing pin 18
Level planet carrier 19 is rotated, and while two-stage planet 16 revolves round the sun in ring gear 3, two-stage planet 16 is completely rolled by two-stage
The autobiography on two-stage planet bearing pin 18 of needle bearing 17, two-stage planet carrier 19 drives output shaft 21 to turn in output shaft bearing 20
The dynamic output for realizing 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, eliminates counter flange, 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）, pass through the first screw（2）With input flange（1）
The ring gear being connected（3）, pass through the second screw（4）With ring gear（3）The output flange being connected（5）, in the ring gear
（3）It is interior to pass through bearing of input shaft（6）It is provided with input shaft（7）, the input shaft（7）One end stretch into input flange（1）It is interior,
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 pinion
（10）With ring gear（3）Intermeshing, the primary planet pinion（10）Pass through the full needle bearing of one-level（11）Rolling is arranged on
Primary planet pinion bearing pin（12）On, the primary planet pinion bearing pin（12）Two ends stretch out primary planet pinion（10）With one
Level 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 too
Positive wheel shaft（14）On be provided with two-stage sun gear（15）, the two-stage sun gear（15）With some two-stage planets（16）Mutually
Engagement, the two-stage planet（16）With ring gear（3）Intermeshing, the two-stage planet（16）Completely rolled 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 out
Two-stage planet（16）With two-stage planet carrier（19）It is connected, in the output flange（5）It is interior to pass through two groups of output shaft bearings
（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）It is connected
Connect, 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
Axle（21）Between be provided with the second oil sealing（23）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621372595.4U CN206409577U (en) | 2016-12-14 | 2016-12-14 | Two-stage planetary reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621372595.4U CN206409577U (en) | 2016-12-14 | 2016-12-14 | Two-stage planetary reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206409577U true CN206409577U (en) | 2017-08-15 |
Family
ID=59550809
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621372595.4U Expired - Fee Related CN206409577U (en) | 2016-12-14 | 2016-12-14 | Two-stage planetary reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206409577U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114202A (en) * | 2018-10-22 | 2019-01-01 | 北京因时机器人科技有限公司 | Planetary reduction box and its sealing ring |
-
2016
- 2016-12-14 CN CN201621372595.4U patent/CN206409577U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109114202A (en) * | 2018-10-22 | 2019-01-01 | 北京因时机器人科技有限公司 | Planetary reduction box and its sealing ring |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170815 Termination date: 20171214 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |