CN106402287A - Two-stage planet gear speed reducer - Google Patents
Two-stage planet gear speed reducer Download PDFInfo
- Publication number
- CN106402287A CN106402287A CN201611155360.4A CN201611155360A CN106402287A CN 106402287 A CN106402287 A CN 106402287A CN 201611155360 A CN201611155360 A CN 201611155360A CN 106402287 A CN106402287 A CN 106402287A
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- CN
- China
- Prior art keywords
- stage
- flange
- gear
- input
- shaft
- 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
Links
- 239000003638 chemical reducing agent Substances 0.000 title abstract description 5
- 238000005096 rolling process Methods 0.000 claims abstract 3
- 238000007789 sealing Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- 230000000694 effects Effects 0.000 description 2
- TVEXGJYMHHTVKP-UHFFFAOYSA-N 6-oxabicyclo[3.2.1]oct-3-en-7-one Chemical compound C1C2C(=O)OC1C=CC2 TVEXGJYMHHTVKP-UHFFFAOYSA-N 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
-
- 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
-
- 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
- F16H2001/2881—Toothed gearings for conveying rotary motion with gears having orbital motion comprising two axially spaced central gears, i.e. ring or sun gear, engaged by at least one common orbital gear wherein one of the central gears is forming the output
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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
- F16H2001/327—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 with the orbital gear having internal gear teeth
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a two-stage planet gear speed reducer. The two-stage planet gear speed reducer comprises an input flange, an inner gear ring connected with the input flange through a first screw and an output flange connected with the inner gear ring through a second screw. Only an input shaft is arranged in the inner gear ring through an input shaft bearing. One end of the input shaft stretches into the input flange. A first-stage sun gear shaft is arranged at the other end of the input shaft and provided with a first-stage sun gear. The first-stage sun gear is engaged with a plurality of first-stage planet gears. The first-stage planet gears are engaged with the inner gear ring. The first-stage planet gears are arranged on a first-stage planet gear pin shaft through first-stage crowded needle bearings in a rolling manner. The two ends of the first-stage planet gear pin shaft stretch out of the first-stage planet gears to be connected with a first-stage planet carrier. A second-stage sun gear shaft is arranged on the first-stage planet carrier.
Description
Technical field
The present invention relates to a kind of reductor, more particularly, to a kind of two-stage planet reductor.
Background technology
Planetary gear in planetary reducer except can as fixed axis gear round oneself rotary shaft rotate in addition to,
Their rotary shaft is also as planet carrier around other gears（Sun gear）Axis rotate, around oneself axis rotation become from
Turn, be referred to as revolving round the sun around the rotation of other Gear axis, just as the planet in the solar system, hence obtain one's name.It can be used in existing
For robot industry, such as parallel robot or linear robot, also usually it is applied to Digit Control Machine Tool and machining center field,
Range of application is wider.Current planetary reducer is most to adopt single-pinion planetary gear structure, single-pinion planetary gear structure output
Moment of torsion is less, and the scope of application is little, and structural behaviour is poor, is easily damaged, and changes frequently, meanwhile, existing ring gear is generally split
Formula gear ring structure, it is made up of counter flange and gear ring, in order to be assemblied in bearing of input shaft in counter flange, split type
During gear ring structure assembling can there is gap in flange connections, and such concentricity ratio is larger, is unfavorable for the overall operation of reductor, separately
Outward, existing input flange is all to be connected with ring gear by screw with output flange, connects not tight, runs in reductor
During vibrate that ratio is larger, the gap being easily caused flange with ring gear junction becomes larger, and ultimately results in reductor
Gear misplaces, and so that reductor is broken down or even scraps.
Content of the invention
The technical problem to be solved is：The two-stage planet reductor that a kind of flange is completely embedded is provided.
In order to solve above-mentioned technical problem, the technical solution used in the present invention is：Two-stage planet reductor, including：
Input flange, the ring gear being connected with input flange by the first screw, by the second screw be connected with ring gear defeated
Go out flange, in described ring gear, input shaft is only had by bearing of input shaft setting, input method is stretched in one end of described input shaft
In blue, one-level sun wheel shaft be provided with the other end of described input shaft, described one-level sun wheel shaft is provided with one-level
Sun gear, described one-level sun gear and some primary planet pinions engage each other, and described primary planet pinion is mutual with ring gear
Engagement, described primary planet pinion is rolled by the full needle bearing of one-level and is arranged on primary planet pinion bearing pin, described one-level
The two ends of planet pinion shaft are stretched out primary planet pinion and are connected with primary planet carrier, are provided with described primary planet carrier
Two-stage sun wheel shaft, is provided with two-stage sun gear, described two-stage sun gear and some two-stage row in described two-stage sun wheel shaft
Star gear engages each other, and described two-stage planet and ring gear engage each other, and described two-stage planet is completely rolled by two-stage
Needle bearing rolls and is arranged on two-stage planet bearing pin, and two-stage planet is stretched out at the two ends of described two-stage planet bearing pin
It is connected with two-stage planet carrier, in described output flange, two groups of output shaft bearings are provided with output shaft, described output shaft
One end stretch into and be connected with two-stage planet carrier in ring gear, the other end of described output shaft stretches out output flange, described defeated
Go out and be provided with oil sealing between the side output flange of axle bearing and output shaft, slide in the outside of described ring gear and be arranged with first
Locking
Swivel nut and the second locking swivel nut, are provided with mutual with the first locking swivel nut on the ring gear in described first locking swivel nut
First spacing ring of cooperation, is provided with input flange locking male thread in the outside of described input flange, in the described first locking
It is provided with swivel nut and locks, with input flange, the input flange locking box thread that male thread cooperates, in described second locking screw
The second spacing ring being cooperated with the second locking swivel nut is provided with the ring gear in set, sets in the outside of described output flange
It is equipped with output flange locking male thread, be provided with described second locking swivel nut and cooperate with output flange locking male thread
Output flange locking box thread.
It is an advantage of the invention that：Above-mentioned two-stage planet reductor, is slowed down using two-stage planet, output torque
Greatly, applied widely, structural behaviour is good, is hardly damaged, and ring gear is overall gear ring structure simultaneously, 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
Good, be conducive to the overall operation of reductor, operational effect is good, Stability Analysis of Structures, in addition, input flange and output flange pass through locking
Set is locked further with ring gear, and flange is completely embedded, and is prevented from vibrating excessive leading to during reductor runs
Flange becomes big with the gap of ring gear junction, and structural strength is good, and the gear preventing in ring gear misplaces, and effective protection subtracts
Fast machine.
Brief description
Fig. 1 is the structural representation of two-stage planet reductor 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, oil sealing, the 23, first locking swivel nut, the 24, second locking swivel nut, the 25, first spacing ring, 26, input flange locking male thread,
27th, input flange locking box thread, the 28, second spacing ring, 29, output flange locking male thread, 30, the female spiral shell of output flange locking
Stricture of vagina.
Specific embodiment
Describe in detail the particular content of the present invention below in conjunction with the accompanying drawings with specific embodiment.
As shown in figure 1, two-stage planet reductor, including：Input flange 1, by the first screw 2 and input flange 1
The ring gear 3 being connected, the output flange 5 being connected with ring gear 3 by the second screw 4, passes through defeated in described ring gear 3
Enter axle bearing 6 setting and only have input shaft 7, one end of described input shaft 7 is stretched in input flange 1, another in described input shaft 7
One-level sun wheel shaft 8 is provided with end, one-level sun gear 9, described one-level sun gear are provided with described one-level sun wheel shaft 8
9 are engaged each other with some primary planet pinions 10, and described primary planet pinion 10 and ring gear 3 engage each other, described one-level row
Star gear 10 is rolled by the full needle bearing 11 of one-level and is arranged on primary planet pinion bearing pin 12, described primary planet pinion pin
The two ends of axle 12 are stretched out primary planet pinion 10 and are connected with primary planet carrier 13, are provided with two on described primary planet carrier 13
Level sun wheel shaft 14, is provided with two-stage sun gear 15 in described two-stage sun wheel shaft 14, described two-stage sun gear 15 with some
Two-stage planet 16 engages each other, and described two-stage planet 16 and ring gear 3 engage each other, described two-stage planet 16
Rolled by the full needle bearing 17 of two-stage and be arranged on two-stage planet bearing pin 18, the two of described two-stage planet bearing pin 18
End is stretched out two-stage planet 16 and is connected with two-stage planet carrier 19, passes through two groups of output shaft bearings in described output flange 5
20 are provided with output shaft 21, and one end of described output shaft 21 is stretched in ring gear 3 and is connected with two-stage planet carrier 19, described output
The other end of axle 21 stretches out output flange 5, arranges between the side output flange 5 and output shaft 21 of described output shaft bearing 20
There is oil sealing 22, slide in the outside of described ring gear 3 and be arranged with the first locking swivel nut 23 and the second locking swivel nut 24, described the
The first spacing ring 25 being cooperated with the first locking swivel nut 23 is provided with the ring gear 3 in one locking swivel nut 23, described
The outside of input flange 1 is provided with input flange locking male thread 26, is provided with and inputs in described first locking swivel nut 23
Flange locks the input flange locking box thread 27 that male thread 26 cooperates, the ring gear in described second locking swivel nut 24
It is provided with the second spacing ring 28 cooperating with the second locking swivel nut 24 on 3, be provided with the outside of described output flange 5 defeated
Go out flange locking male thread 29, be provided with described second locking swivel nut 24 and cooperate with output flange locking male thread 29
Output flange locking box thread 30.
When above-mentioned two-stage planet reductor is installed, input flange 1 is passed through one end of the first screw 2 and ring gear 3
It is connected, output flange 5 is connected with the other end of ring gear 3 by the second screw 4, promote including the first locking swivel nut 23
The outer Slideslip of gear ring 3 makes the input flange in the first locking swivel nut 23 lock the input method on box thread 27 and input flange 1
When blue locking male thread 26 offsets, turn the first locking swivel nut 23, the input flange locking box thread in the first locking swivel nut 23
27 are engaged each other with the input flange locking male thread 26 on input flange 1, when the first locking swivel nut 23 and the first spacing ring 25
Stop turn, the first locking swivel nut 23 passes through the tightening force to oriented ring gear 3 direction of input flange 1 for the screw thread when offseting；Promote
Second locking swivel nut 24 ring gear 3 outer Slideslip make output flange in the second locking swivel nut 24 lock box thread 30 with defeated
Go out output flange locking male thread 29 on flange 5 when offseting, turn the second locking swivel nut 24, defeated in the second locking swivel nut 24
Go out flange locking box thread 30 to engage each other with the output flange locking male thread 29 on output flange 5, when the second locking swivel nut
24 and second spacing ring 28 stop turn when offseting, the second locking swivel nut 24 pass through screw thread to output flange 5 oriented ring gear 3 side
To tightening force.
When above-mentioned two-stage planet reductor uses, the input shaft 7 of reductor is connected with the motor shaft of motor
Connect, the motor shaft band driven input shaft 7 of motor rotates in bearing of input shaft 6, input shaft 7 drives 8 turns of one-level sun wheel shaft
Dynamic, one-level sun wheel shaft 8 drives one-level sun gear 9 to rotate, and one-level sun gear 9 drives and its intermeshing primary planet pinion
10 rotate in ring gear 3, and primary planet pinion 10 drives primary planet carrier 13 to rotate by primary planet pinion bearing pin 12, and one
While level planetary gear 10 revolves round the sun in ring gear 3, primary planet pinion 10 is by the full needle bearing 11 of one-level in one-level row
Autobiography on star gear bearing pin 12, primary planet carrier 13 drives two-stage sun wheel shaft 14 to rotate, and two-stage sun wheel shaft 14 drives two-stage
Sun gear 15 rotates, and two-stage sun gear 15 is driven and rotated in ring gear 3 with its intermeshing two-stage planet 16, two-stage
Planetary gear 16 drives two-stage planet carrier 19 to rotate by two-stage planet bearing pin 18, and two-stage planet 16 is in ring gear 3
While interior revolution, two-stage planet 16 by full needle bearing 17 autobiography on two-stage planet bearing pin 18 of two-stage, two
Level planet carrier 19 drives output shaft 21 to rotate the output realizing moment of torsion in output shaft bearing 20.
Above-mentioned two-stage planet reductor, is slowed down using two-stage planet, and output torque is big, applied widely, knot
Structure performance is good, is hardly damaged, and ring gear is overall gear ring structure simultaneously, eliminates counter flange, bearing of input shaft is assemblied in
In overall gear ring, eliminate the gap between counter flange and gear ring, overall gear ring structure good concentricity, be conducive to reductor
Overall operation, operational effect is good, Stability Analysis of Structures, in addition, input flange and output flange are further with ring gear by lock sleeve
It is locked, is completely embedded, be prevented from vibrating excessive flange and the ring gear junction of leading to during reductor runs
Gap becomes big, and structural strength is good, and the gear preventing in ring gear misplaces, effective protection reductor.
Claims (1)
1. two-stage planet reductor it is characterised in that：Including：Input flange（1）, by the first screw（2）With input method
Blue（1）The ring gear being connected（3）, by the second screw（4）With ring gear（3）The output flange being connected（5）, described interior
Gear ring（3）Interior by bearing of input shaft（6）Setting only has input shaft（7）, described input shaft（7）One end stretch into input flange
（1）Interior, in described input shaft（7）The other end on be provided with one-level sun wheel shaft（8）, in described one-level sun wheel shaft（8）On
It is provided with one-level sun gear（9）, described one-level sun gear（9）With some primary planet pinions（10）Engage each other, described one-level
Planetary gear（10）With ring gear（3）Engage each other, described primary planet pinion（10）By the full needle bearing of one-level（11）Rolling
Move and be arranged on primary planet pinion bearing pin（12）On, described primary planet pinion bearing pin（12）Two ends stretch out primary planet pinion
（10）With primary planet carrier（13）It is connected, in described primary planet carrier（13）On be provided with two-stage sun wheel shaft（14）, institute
State two-stage sun wheel shaft（14）On be provided with two-stage sun gear（15）, described two-stage sun gear（15）With some two-stage planet
（16）Engage each other, described two-stage planet（16）With ring gear（3）Engage each other, described two-stage planet（16）Pass through
The full needle bearing of two-stage（17）Rolling is arranged on two-stage planet bearing pin（18）On, described two-stage planet bearing pin（18）'s
Two-stage planet is stretched out at two ends（16）With two-stage planet carrier（19）It is connected, in described output flange（5）Inside pass through two groups defeated
Go out axle bearing（20）It is provided with output shaft（21）, described output shaft（21）One end stretch into ring gear（3）Interior with two-stage planet carrier
（19）It is connected, described output shaft（21）The other end stretch out output flange（5）, in described output shaft bearing（20）Side defeated
Go out flange（5）With output shaft（21）Between be provided with oil sealing（22）, in described ring gear（3）Outside slide and be arranged with the
One locking swivel nut（23）With the second locking swivel nut（24）, in described first locking swivel nut（23）Interior ring gear（3）On be provided with
With the first locking swivel nut（23）The first spacing ring cooperating（25）, in described input flange（1）Outside be provided with input
Flange locks male thread（26）, in described first locking swivel nut（23）Inside it is provided with and lock male thread with input flange（26）Mutually
The input flange locking box thread of cooperation（27）, in described second locking swivel nut（24）Interior ring gear（3）On be provided with and the
Two locking swivel nuts（24）The second spacing ring cooperating（28）, in described output flange（5）Outside be provided with output flange
Locking male thread（29）, in described second locking swivel nut（24）Inside it is provided with and lock male thread with output flange（29）Cooperate
Output flange locking box thread（30）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155360.4A CN106402287A (en) | 2016-12-14 | 2016-12-14 | Two-stage planet gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611155360.4A CN106402287A (en) | 2016-12-14 | 2016-12-14 | Two-stage planet gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106402287A true CN106402287A (en) | 2017-02-15 |
Family
ID=58087640
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611155360.4A Pending CN106402287A (en) | 2016-12-14 | 2016-12-14 | Two-stage planet gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106402287A (en) |
Cited By (4)
| 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 |
| CN108050210A (en) * | 2017-12-14 | 2018-05-18 | 广西柳工机械股份有限公司 | Planetary reduction gear |
| CN108953504A (en) * | 2017-05-19 | 2018-12-07 | 丰田自动车株式会社 | Gear assembly |
| CN110185747A (en) * | 2019-05-31 | 2019-08-30 | 燕山大学 | A kind of fixed twin-stage Cylinder Sine Oscillating Tooth retarder of saddle |
-
2016
- 2016-12-14 CN CN201611155360.4A patent/CN106402287A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108953504A (en) * | 2017-05-19 | 2018-12-07 | 丰田自动车株式会社 | Gear assembly |
| CN108953504B (en) * | 2017-05-19 | 2021-04-13 | 丰田自动车株式会社 | Gear transmission device |
| 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 |
| CN108050210A (en) * | 2017-12-14 | 2018-05-18 | 广西柳工机械股份有限公司 | Planetary reduction gear |
| CN110185747A (en) * | 2019-05-31 | 2019-08-30 | 燕山大学 | A kind of fixed twin-stage Cylinder Sine Oscillating Tooth retarder of saddle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170215 |
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| WD01 | Invention patent application deemed withdrawn after publication |