CN106763522A - Planet cycloid speed reducer - Google Patents
Planet cycloid speed reducer Download PDFInfo
- Publication number
- CN106763522A CN106763522A CN201510815146.6A CN201510815146A CN106763522A CN 106763522 A CN106763522 A CN 106763522A CN 201510815146 A CN201510815146 A CN 201510815146A CN 106763522 A CN106763522 A CN 106763522A
- Authority
- CN
- China
- Prior art keywords
- bearing
- eccentric shaft
- speed reducer
- shell
- reductor
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The present invention proposes a kind of planet cycloid speed reducer, including bottom and shell, bottom and shell are bolted fastening, its internal placement reductor critical piece, the other end of bottom is connected with motor, motor is connected with reductor internal input shaft, reductor includes being arranged at the mainshaft mechanism and the eccentric shaft mechanism centered on mainshaft mechanism at center, eccentric shaft mechanism engages transmission rotating speed with mainshaft mechanism by gear mechanism, three identical eccentric shaft mechanisms are provided with inside reductor, eccentric shaft mechanism decile is arranged inside reductor.This structural reliability is changed for the intelligent behaviour at robot terminal position and provides strong guarantee higher than reductor on the market.
Description
Technical field
The present invention relates to all-purpose robot reductor position, more particularly to a kind of planet cycloid speed reducer.
Background technology
This technology primarily directed to general robot at present at a little bit smaller position of moment of torsion, such as robot
Terminal region, was all in the past to use motor, and motor is in terms of speed change, far less than reductor, and machine
People, the particularly terminal region of five axles or six-joint robot, the direction of rotation are different, and speed is differed than also,
If using reductor, in terms of torsion and service life, motor will be significantly better than.Now, it is domestic
There are some producers to develop this class reductor, but performance quality is not fully up to expectations, external import product price
Costliness, seriously constrains the popularization of robot.
The content of the invention
The present invention proposes a kind of planet cycloid speed reducer, solves the problems of the prior art, effectively promote
Machine man-based development is entered.
The technical proposal of the invention is realized in this way：
A kind of planet cycloid speed reducer, including bottom and shell, the bottom and shell are bolted button
Close, it is internal to place reductor critical piece, the other end of the bottom is connected with motor, the motor with
Reductor internal input shaft is connected, and the reductor includes being arranged at the mainshaft mechanism at center and with mainshaft mechanism
Centered on eccentric shaft mechanism, the eccentric shaft mechanism and mainshaft mechanism engage transmission rotating speed by gear mechanism,
Three identical eccentric shaft mechanisms are provided with inside the reductor, the eccentric shaft mechanism decile is arranged at
Inside reductor.
Used as preferred scheme of the invention, the mainshaft mechanism and eccentric shaft mechanism are placed in parallel, the input
Axle front end is provided with planetary gear, and the eccentric shaft front end in the eccentric shaft mechanism is fixed with gear by bearing pin, institute
The planetary gear for stating input shaft front end is meshed with the gear and contacts.
Used as preferred scheme of the invention, the mainshaft mechanism and eccentric shaft mechanism pass through upper bed-plate and lower bottom base
Fixed position, the upper bed-plate and lower bottom base are installed on the inside of the bottom and shell, the upper bed-plate position
Put away from motor, the lower bottom base is located proximate to motor.
Be provided with side by side as preferred scheme of the invention, between the upper bed-plate and lower bottom base the first cycloid piece and
Second cycloid piece a, needle roller is placed on two cycloid piece outer rings, and the shell inner side is provided with a circle needle roller groove, described
Needle roller outer ring is stuck in inside the needle roller groove.
Used as preferred scheme of the invention, the upper bed-plate, the first cycloid piece, needle roller and shell are crossed
Between region be set to bearing position, 3rd bearing is fixed in bearing position, the lower bottom base, the second cycloid piece,
Needle roller and shell surround the same placement specification identical 3rd bearing in bearing position.
As preferred scheme of the invention, second bearing is cased with the input shaft in the mainshaft mechanism, it is described
Second bearing is installed on inside the bottom, and one first outside framework oil seal, described are also cased with the input shaft
One outside framework oil seal is installed on inside the bottom, and first outside framework oil seal is installed on the 3rd bearing and institute
State between motor.
As preferred scheme of the invention, the 4th axle is cased with gear mechanism end of engagement on the input shaft
Hold.
As preferred scheme of the invention, two groups of clutch shaft bearings are cased with the eccentric shaft in the eccentric shaft mechanism,
Two groups of clutch shaft bearings are individually fixed in inside upper bed-plate and lower bottom base；Needle roller is also cased with the eccentric shaft
Bearing, the needle bearing is fixed on inside the first cycloid piece.
As preferred scheme of the invention, the second outside framework oil seal is accompanied between the shell and the upper bed-plate,
Second outside framework oil seal is provided close at gear mechanism end of engagement.
As preferred scheme of the invention, annular groove, an O are provided with the shell end face being in contact with the bottom
Type circle is installed in annular groove.
Base bearing built-in mechanism in the present invention, i.e. 3rd bearing mechanism, are provided with the thrust ball axle of radial direction
Hold, outside can be supported to meet, torque rigidity and allow that torque is big, the 3rd bearing quantity in mechanism can
Increase and decrease.
The placement of two cycloid pieces makes its revolution speed slack-off, and vibration reduces, and can reduce the influence of inertia.
The dual bed supporting construction of upper bed-plate and lower bottom base composition makes eccentric shaft have dual bed branch in reductor
Support, makes reductor internal torsion rigidity greatly, and impact resistance is strong.
Needle bearing in the present invention uses rolling bearing, and its startup power is beneficial, and backlash is small.
Planet cycloid speed reducer in the present invention is by 2 grades of decelerations.
1st deceleration part is that single-stage planetary slows down, and the rotation of size The gear deceleration, i.e. input shaft is from input shaft
Sun gear gear is delivered to eccentric shaft planetary gear, is slowed down by gear ratio.
2nd deceleration part, cycloid gear reducing gear is eccentric shaft planetary gear connection eccentric shaft turns, is become
It is the input of the 2nd reduction part.The circle cycloid piece of eccentric shaft turns one rotates a tooth,
Cycloid piece is enveloping outer enclosure structure, realizes speed reducing ratio greatly, and when axle is fixed, shell side turns into output
Side.
Beneficial effect
Due to being independent research, cost reduction.It is easy to maintenance, and accessory is convenient, it is cheap.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to implementing
Example or the accompanying drawing to be used needed for description of the prior art are briefly described, it should be apparent that, describe below
In accompanying drawing be only some embodiments of the present invention, for those of ordinary skill in the art, do not paying
On the premise of going out creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is cross-sectional view of the invention.
Wherein, bottom 1, shell 2, upper bed-plate 3, lower bottom base 4, the first cycloid piece 5, the second cycloid piece 6,
Needle roller 7, eccentric shaft 8, input shaft 9, planetary gear 10, fourth bearing 11,3rd bearing 12, the second axle
13 are held, clutch shaft bearing 14, needle bearing 15, the first outside framework oil seal 16, the second outside framework oil seal 17 is O-shaped
Circle 18, motor 19.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly
Chu, it is fully described by, it is clear that described embodiment is only a part of embodiment of the invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not making creation
Property work under the premise of the every other embodiment that is obtained, belong to the scope of protection of the invention.
As described in Figure 1, bottom 1 is buckled on shell 2, respectively there is a bearing position inside shell 2 up and down, on
Base 3 and lower bottom base are installed in the bearing of shell position (be fixed by screw part to connect) first by bearing
The cycloid piece 6 of cycloid piece 5 and second is installed in the middle of Up/down base, and needle roller 7 is used for the needle roller installed in shell
Groove the inside, is brought into close contact in cycloid piece, and eccentric shaft 8 (quantity 3) is connected by needle bearing 15 and cycloid piece
Connect, clutch shaft bearing 14 is installed on the bearing of Up/down base position, planetary gear 10 is fixed in the gear end of eccentric shaft.
After O-ring 18 is arranged in the groove of shell 3.
Bottom 1 is connected by the positioning step above bottom with shell 2, is fixed by screw part and is fixed.
Snap ring is installed in the annular groove of bottom, the skeleton of second bearing 13 and first is installed successively on snap ring
Oil sealing 16.
Recently enter axle 9 and be interspersed in the planetary gear of reductor interior lower end and be brought into close contact, motor 19 and input shaft
9 connections, complete assembling.
The first cycloid piece 5 and the second cycloid piece 6,7 sets of needle roller are provided between upper bed-plate 3 and lower bottom base 4 side by side
In two cycloid piece outer rings, shell inner side is provided with a circle needle roller groove, and the outer ring of needle roller 7 is stuck in inside the needle roller groove.
Upper bed-plate 3, the first cycloid piece 5, needle roller 7 and shell 2 cross an area of space and are set to bearing position, the
Three bearings 12 are fixed in the bearing position, and lower bottom base 4, the second cycloid piece 6, needle roller 7 and shell 2 enclose
Specification identical 3rd bearing 12 is placed into bearing position is same.
Second bearing 13 is cased with input shaft 9 in the mainshaft mechanism, second bearing 13 is installed on described
One first outside framework oil seal 16 is also cased with inside bottom 1, on input shaft 9, the first outside framework oil seal is installed on described
Inside bottom 1, the first outside framework oil seal 16 is installed between 3rd bearing 12 and motor 19.On input shaft 9
Fourth bearing 11 is cased with gear mechanism end of engagement.
Two groups of clutch shaft bearings 14 are cased with eccentric shaft 8 in eccentric shaft mechanism, two groups of clutch shaft bearings 14 are solid respectively
Inside upper bed-plate and lower bottom base；Needle bearing 15 is also cased with eccentric shaft 8, needle bearing is fixed on
Inside one cycloid piece 5.
The second outside framework oil seal 17, second outside framework oil seal are accompanied between the shell 2 and the upper bed-plate 3
17 are provided close at gear mechanism end of engagement.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in this hair
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in this hair
Within bright protection domain.
Claims (10)
1. a kind of planet cycloid speed reducer, including bottom (1) and shell (2), the bottom (1) and outer
Shell (2) is bolted fastening, its internal placement reductor critical piece, the other end of the bottom (1)
Motor (19) is connected with, the motor (19) is connected with reductor internal input shaft (9), and its feature exists
In, the reductor includes being arranged at the mainshaft mechanism and the eccentric shaft mechanism centered on mainshaft mechanism at center,
The eccentric shaft mechanism engages transmission rotating speed with mainshaft mechanism by gear mechanism, is provided with inside the reductor
Three identical eccentric shaft mechanisms, the eccentric shaft mechanism decile is arranged inside reductor.
2. a kind of planet cycloid speed reducer according to claim 1, it is characterised in that the mainshaft mechanism
It is placed in parallel with eccentric shaft mechanism, input shaft (9) front end is provided with planetary gear (10), the eccentric shaft
In-house eccentric shaft (8) front end is fixed with gear, the planet of input shaft (9) front end by bearing pin
Wheel (10) is meshed with the gear and contacts.
3. a kind of planet cycloid speed reducer according to claim 1 and 2, it is characterised in that the main shaft
Mechanism and eccentric shaft mechanism are by upper bed-plate (3) and lower bottom base (4) fixed position, the upper bed-plate (3)
With the inside that lower bottom base (4) is installed on the bottom (1) and shell (2), upper bed-plate (3) position
Put away from motor (19), the lower bottom base (4) is located proximate to motor (19).
4. a kind of planet cycloid speed reducer according to claim 3, it is characterised in that the upper bed-plate (3)
It is provided with the first cycloid piece (5) and the second cycloid piece (6), a needle roller (7) side by side and lower bottom base (4) between
Two cycloid piece outer rings are placed on, shell (2) inner side is provided with a circle needle roller groove, needle roller (7) outer ring
It is stuck in inside the needle roller groove, being got on the bus with the contact surface of needle roller (7) in the needle roller groove has ripple.
5. a kind of planet cycloid speed reducer according to claim 4, it is characterised in that the upper bed-plate
(3), the first cycloid piece (5), needle roller (7) and shell (2) cross an area of space and are set to bearing position,
3rd bearing (12) is fixed in bearing position, the lower bottom base (4), the second cycloid piece (6),
Needle roller (7) and shell (2) surround same placement specification identical 3rd bearing (12) in bearing position.
6. a kind of planet cycloid speed reducer according to claim 1, it is characterised in that the mainshaft mechanism
Second bearing (13) is cased with interior input shaft (9), the second bearing (13) is installed on the bottom
(1) it is internal, one first outside framework oil seal (16), first skeleton are also cased with the input shaft (9)
Oil sealing is installed on the bottom (1) inside, and first outside framework oil seal (16) is installed on the 3rd bearing
(12) between the motor (19).
7. a kind of planet cycloid speed reducer according to claim 1, it is characterised in that the input shaft (9)
It is upper to be cased with fourth bearing (11) at gear mechanism end of engagement.
8. a kind of planet cycloid speed reducer according to claim 4, it is characterised in that the eccentric shaft machine
Two groups of clutch shaft bearings (14) are cased with eccentric shaft (8) in structure, clutch shaft bearing (14) described in two groups is respectively
It is fixed on inside upper bed-plate and lower bottom base；Needle bearing (15) is also cased with the eccentric shaft (8), it is described
It is internal that needle bearing (15) is fixed on the first cycloid piece (5).
9. a kind of planet cycloid speed reducer according to claim 3, it is characterised in that the shell (2) with
The second outside framework oil seal (17) is accompanied between the upper bed-plate (3), second outside framework oil seal (17) is located at
At gear mechanism end of engagement.
10. a kind of planet cycloid speed reducer according to claim 1, it is characterised in that with the bottom
(1) annular groove is provided with shell (2) end face being in contact, an O-ring (18) is installed in annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510815146.6A CN106763522A (en) | 2015-11-20 | 2015-11-20 | Planet cycloid speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510815146.6A CN106763522A (en) | 2015-11-20 | 2015-11-20 | Planet cycloid speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106763522A true CN106763522A (en) | 2017-05-31 |
Family
ID=58886580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510815146.6A Pending CN106763522A (en) | 2015-11-20 | 2015-11-20 | Planet cycloid speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106763522A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050331A (en) * | 1974-07-12 | 1977-09-27 | Rudolf Braren | Cycloidal gears |
| CN203743324U (en) * | 2014-03-25 | 2014-07-30 | 李辛 | Pure-roller needle meshing RV speed reducer |
| CN203939933U (en) * | 2014-04-21 | 2014-11-12 | 天津职业技术师范大学 | The accurate 2K-V type of quill shaft speed reducer |
| CN104455226A (en) * | 2014-10-29 | 2015-03-25 | 浙江双环传动机械股份有限公司 | Three cycloidal gear type RV speed reducer |
| CN104482130A (en) * | 2014-10-29 | 2015-04-01 | 浙江双环传动机械股份有限公司 | RV reducer comprising constant-depth tooth spiral bevel gear |
| CN104500660A (en) * | 2014-12-08 | 2015-04-08 | 吴小杰 | Zero-return-difference cycloid reducer of industrial robot |
| CN104565217A (en) * | 2013-10-28 | 2015-04-29 | 北京配天技术有限公司 | Cycloidal pin wheel speed reducer and robot |
| CN104847873A (en) * | 2015-05-18 | 2015-08-19 | 南通振康焊接机电有限公司 | Fully sealed integrated RV speed reducer |
| CN104852512A (en) * | 2015-05-18 | 2015-08-19 | 南通振康焊接机电有限公司 | Totally-enclosed hollow RV speed reducer |
| CN204677734U (en) * | 2015-05-18 | 2015-09-30 | 南通振康焊接机电有限公司 | All-sealed one-piece type RV speed reducer |
| CN205896048U (en) * | 2015-11-20 | 2017-01-18 | 广州长仁工业科技有限公司 | Planet cycloidal reducer |
-
2015
- 2015-11-20 CN CN201510815146.6A patent/CN106763522A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4050331A (en) * | 1974-07-12 | 1977-09-27 | Rudolf Braren | Cycloidal gears |
| CN104565217A (en) * | 2013-10-28 | 2015-04-29 | 北京配天技术有限公司 | Cycloidal pin wheel speed reducer and robot |
| CN203743324U (en) * | 2014-03-25 | 2014-07-30 | 李辛 | Pure-roller needle meshing RV speed reducer |
| CN203939933U (en) * | 2014-04-21 | 2014-11-12 | 天津职业技术师范大学 | The accurate 2K-V type of quill shaft speed reducer |
| CN104455226A (en) * | 2014-10-29 | 2015-03-25 | 浙江双环传动机械股份有限公司 | Three cycloidal gear type RV speed reducer |
| CN104482130A (en) * | 2014-10-29 | 2015-04-01 | 浙江双环传动机械股份有限公司 | RV reducer comprising constant-depth tooth spiral bevel gear |
| CN104500660A (en) * | 2014-12-08 | 2015-04-08 | 吴小杰 | Zero-return-difference cycloid reducer of industrial robot |
| CN104847873A (en) * | 2015-05-18 | 2015-08-19 | 南通振康焊接机电有限公司 | Fully sealed integrated RV speed reducer |
| CN104852512A (en) * | 2015-05-18 | 2015-08-19 | 南通振康焊接机电有限公司 | Totally-enclosed hollow RV speed reducer |
| CN204677734U (en) * | 2015-05-18 | 2015-09-30 | 南通振康焊接机电有限公司 | All-sealed one-piece type RV speed reducer |
| CN205896048U (en) * | 2015-11-20 | 2017-01-18 | 广州长仁工业科技有限公司 | Planet cycloidal reducer |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102022484A (en) | Three-stage combined planetary speed reducer and realization method thereof | |
| CN107387677A (en) | A kind of combination bearing planet-cycloid reducer | |
| CN206211760U (en) | A kind of big retarding is than harmonic reduction all-in-one | |
| CN205896048U (en) | Planet cycloidal reducer | |
| CN202023083U (en) | Clutch for double-power washing machine | |
| CN109723799A (en) | A kind of combined harmonic retarder | |
| CN2931935Y (en) | Speed reducing device for laundry machine | |
| CN112943867A (en) | Novel planetary gear reduction mechanism and speed reducer | |
| CN106523646B (en) | A kind of eight conical gear little tooth difference speed reducers | |
| CN201934593U (en) | Three-stage composite planetary reducer | |
| CN201351714Y (en) | Dead shaft type multi-level planet gear speed reducer | |
| CN106763522A (en) | Planet cycloid speed reducer | |
| CN104061295A (en) | Friction planetary reducer | |
| CN204030848U (en) | Inner-rotor-type wheel hub motor | |
| CN105402321A (en) | Eccentric double-tooth-difference speed-changing device | |
| CN104896027A (en) | Planetary transmission | |
| CN202629041U (en) | Planet carrier of speed changer | |
| CN201086355Y (en) | High-efficiency transmission device of planetary type mixer | |
| CN204597715U (en) | With the motor of reducing gear | |
| CN201593590U (en) | Efficient planetary transmission device | |
| CN107575541A (en) | Has the planetary reduction gear of few teeth difference reducing gear | |
| CN204425109U (en) | A kind of combination harmonic reducing motor all-in-one | |
| CN200975441Y (en) | Component force Speed changing box of laundry machine | |
| CN209196049U (en) | Compound epicyclic reduction gear | |
| CN206802205U (en) | A kind of Two-stage Planet Gear Reducer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170531 |