CN106641108A - Closed harmonic gear speed reducer - Google Patents
Closed harmonic gear speed reducer Download PDFInfo
- Publication number
- CN106641108A CN106641108A CN201611201778.4A CN201611201778A CN106641108A CN 106641108 A CN106641108 A CN 106641108A CN 201611201778 A CN201611201778 A CN 201611201778A CN 106641108 A CN106641108 A CN 106641108A
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- CN
- China
- Prior art keywords
- air plug
- flange
- engine
- bearing
- closed
- 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.)
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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
-
- 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
- F16H57/00—General details of gearing
- F16H57/04—Features relating to lubrication or cooling or heating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Details Of Gearings (AREA)
Abstract
The invention discloses a closed harmonic gear speed reducer. The closed harmonic gear speed reducer is composed of an outer wire cable, a housing, an air plug, an inner wire cable, a power machine, a long shaft, a flange, a wave generator, a cup-shaped flexible gear, a thin-wall bearing, a rigid gear, an output shaft, a cover plate, a shell, a bearing, seal rings and the like, wherein a motor or a combination of a motor and a speed reducer is adopted as the power machine. The closed harmonic gear speed reducer is characterized in that the cup-shaped soft wheel, the first seal ring, the flange, the second seal ring, the housing and the air plug are connected with one another to form a sealed cavity, and the thin-wall bearing, the long shaft, the wave generator and the power machine are all located in the sealed cavity. Obviously, even if in a vacuum, negative-pressure and high-cleanliness environment, traditional lubricating oil or lubricating grease can be adopted as a lubricating agent of the parts in the sealed cavity without worrying about the condition that the lubricating agent is leaked outside, and therefore the application range of common motors or speed reducers is widened.
Description
Technical field
The present invention relates to a kind of closed harmonic drive, it is the assembly of engine and harmonic speed reducer, can
To be applied to the particular surroundings such as vacuum, negative pressure, high-cleanness.
Background technology
It is well known that harmonic gear reducer has the advantages that to transmit power to confined space, using the correlation of the feature
Patent has：ZL95221639.6 proposes a kind of enclosed harmonic gear speed variator, and the closed harmonic gear speed variator is only
It is that the processing technology to ring-shape flexspline proposes optimization, is not directed to the assembly relation of motor and the speed changer；
ZL96238949.8 proposes a kind of sealed harmonic speed reducer, and the decelerator utilizes closed flexbile gear so that motor can be to true
Transmitting torque in null device, but motor is mounted in outside vacuum chamber.For motor application under vacuum conditions, current main solution
Mode is to adopt special machines, i.e. vacuum environment motor, and the type motor is often import motor, and price is very high；In the same manner, if motor
Need to slow down, it needs to be equipped with the special decelerator that can be used under vacuum.How common electric machine, decelerator are enabled true
Use under the environment such as sky, negative pressure, high-cleanness, be a problem for being worth us to think deeply.
The present invention enters harmonic gear reducer with engine (engine is the assembly of motor or motor and decelerator)
Row Combination Design, engine is placed within a seal cavity so that engine can be in rings such as vacuum, negative pressure, high-cleanness
Use under border.
The content of the invention
The technical problem to be solved is：How a kind of reductor is provided, and the reductor can be in vacuum, negative
Use under the environment such as pressure, high-cleanness, and the big speed ratio output of its built-in motor can be realized.
To solve the above problems, the technical solution used in the present invention is：A kind of closed harmonic drive is provided, its
By outer cable, case, air plug, interior cable, engine, major axis, flange, wave producer, cup type flexbile gear, thin-wall bearing, firm wheel, defeated
Shaft, cover plate, housing, bearing, sealing ring etc. are constituted.The output shaft is connected firmly with firm wheel, and its effect is to complete closed harmonic wave
The power output of gear reduction unit；The firm wheel carries ring gear, and it is supported on the housing by bearing, and the cup type is soft
Wheel carries external toothing, and firm wheel is sleeved on cup type flexbile gear outside；Cup type flexbile gear inner side is equipped with thin-wall bearing and wave producer and solid
It is associated on the wherein side of flange, sealing ring is housed between cup type flexbile gear and flange；The engine is motor or motor and subtract
The assembly of fast device, it is fastened on the opposite side of flange；Engine outside is case, and the case is fastened on flange, case
Sealing ring is housed between flange；The air plug is fastened on case, between the two equipped with seal；By the air plug, move
The cable of power machine just can draw from seal cavity；The output shaft of engine is major axis, and major axis couples with wave producer.
Wherein, --- --- --- sealing ring --- case --- air plug constitutes a sealing to flange to sealing ring to cup type flexbile gear
Cavity, and thin-wall bearing, major axis, wave producer, engine are respectively positioned within the seal cavity.This seal cavity formula design,
Common electric machine, decelerator is enabled to be applied to the environment such as vacuum, negative pressure, high-cleanness；
During work, engine is rotated, and drives wave producer to rotate by major axis, and thin-wall bearing, cup type flexbile gear produce deformation,
Firm wheel rotation is promoted, so as to cause output shaft rotation, the object of which movement outside closed harmonic drive is finally driven.
Preferably, closed harmonic drive is applied to high-cleanness environment.The high-cleanness environmental requirement closing
The lubricant that formula harmonic drive is used must not evaporate into the external world.It will be apparent that zero in above-mentioned seal cavity
Part, can be continuing with traditional lubrication oil or lubricating grease；Parts outside above-mentioned seal cavity are used after cleaning up
The kollags such as graphite, molybdenum bisuphide, it is to avoid produce volatile matter.Based on said method, closed harmonic drive is not
Volatile substance can be produced, high-cleanness environment can be applied to.
By above-mentioned design, what the present invention brought has the beneficial effect that：Expand the application model of conventional motor, decelerator
Enclose so as to the environment such as vacuum, negative pressure, high-cleanness can be applied to；Seal cavity ensure that its internal all parts after
Continuous to use traditional lubrication oil or lubricating grease, lubricant effect is more preferable.
Description of the drawings
Fig. 1 is a kind of general structure schematic diagram of closed harmonic drive of the present invention.
Fig. 2 illustrates second version of air plug.
Specific embodiment
A kind of general structure schematic diagram of closed harmonic drive of the invention is as shown in figure 1, the closed harmonic wave
Gear reduction unit possesses output shaft (1), cover plate (2), housing (3), firm wheel (4), bearing (5), cup type flexbile gear (6), thin-wall bearing
(7), major axis (8), wave producer (9), sealing ring (10), sealing ring (11), flange (12), case (13), engine (14), interior
Cable (15), air plug (16), outer cable (17)；
The output shaft (1) connects firmly with firm wheel (4), its effect be complete closed harmonic drive power it is defeated
Go out；
The cover plate (2) for bearing (5) axially position, it is fastened on the housing (3)；
With ring gear, it passes through bearing (5) and is bearing on the housing (3) firm wheel (4), the cup type flexbile gear
(6) with external toothing, firm wheel (4) is sleeved on cup type flexbile gear (6) outside；
Cup type flexbile gear (6) inner side is equipped with thin-wall bearing (7) and wave producer (9)；It is with flange (12) wherein
Side mutually connects firmly, and sealing ring (10) is housed between cup type flexbile gear (6) and flange (12)；
The engine (14) is motor or the assembly of motor and decelerator, and it is fastened on the opposite side of flange (12)；
Positioned at engine (14) outside, it is fastened on flange (12) case (13), is equipped between case (13) and flange (12)
Sealing ring (11)；
The major axis (8) for engine (14) output shaft, it couples with wave producer (9)；
The air plug (16) is fastened on case (13), between the two equipped with seal；
As preferably one, as shown in figure 1, the air plug (16) is standard air plug；
As preferably two, as shown in Fig. 2 the air plug (16) is welded on the nonstandard boat formed on flat board for standard air plug
Insert；
Described interior cable (15) one end is connected with engine (14), and the other end is connected with air plug (16) inner side；Outer cable
(17) as cable is drawn, it is connected with the outside of air plug (16)；So, the cable of engine (14) just can be from seal cavity
Draw；
To sum up, cup type flexbile gear (6) --- sealing ring (10) --- flange (12) --- sealing ring (11) --- case
(13) --- air plug (16) constitutes a seal cavity；And thin-wall bearing (7), major axis (8), wave producer (9), engine (14)
It is respectively positioned within the seal cavity；
During work, engine (14) is rotated, and drives wave producer (9) to rotate by major axis (8), thin-wall bearing (7), cup type
Flexbile gear (6) produces deformation, promotes firm wheel (4) rotation, so as to cause output shaft (1) to rotate, finally drives closed harmonic gear
Object of which movement outside reductor.
Preferably, closed harmonic drive is applied to high-cleanness environment.The high-cleanness environmental requirement closing
The lubricant that formula harmonic drive is used must not evaporate into the external world.It will be apparent that zero in above-mentioned seal cavity
Part, can be continuing with traditional lubrication oil or lubricating grease；Parts outside above-mentioned seal cavity are sprayed after cleaning up
The kollag such as graphite or molybdenum bisuphide, it is to avoid produce volatile matter.Based on said method, closed harmonic drive is not
Volatile substance can be produced, high-cleanness environment can be applied to.
The present invention is not limited to above-described embodiment, all designs having been pointed out using the present invention or mentality of designing, all should
Think within protection scope of the present invention.
Claims (6)
1. a kind of closed harmonic drive, it is characterised in that：The closed harmonic drive possesses output shaft
(1), cover plate (2), housing (3), firm wheel (4), bearing (5), cup type flexbile gear (6), thin-wall bearing (7), major axis (8), wave producer
(9), sealing ring (10), sealing ring (11), flange (12), case (13), engine (14), interior cable (15), air plug (16), outer
Cable (17)；
The output shaft (1) connects firmly with firm wheel (4), and its effect is the power output for completing closed harmonic drive；
The cover plate (2) for bearing (5) axially position, it is fastened on the housing (3)；
With ring gear, it passes through bearing (5) and is bearing on the housing (3) firm wheel (4), cup type flexbile gear (6) band
There is external toothing, firm wheel (4) is sleeved on cup type flexbile gear (6) outside；
Cup type flexbile gear (6) inner side is equipped with thin-wall bearing (7) and wave producer (9), its wherein side with flange (12)
Mutually connect firmly, sealing ring (10) is housed between cup type flexbile gear (6) and flange (12)；
The engine (14) is fastened on the opposite side of flange (12)；
Positioned at engine (14) outside, it is fastened on flange (12) case (13), between case (13) and flange (12)
Equipped with sealing ring (11)；
The major axis (8) for engine (14) output shaft, it couples with wave producer (9)；
The air plug (16) is fastened on case (13), between the two equipped with seal；
Described interior cable (15) one end is connected with engine (14), and the other end is connected with air plug (16) inner side；Outer cable (17) is made
To draw cable, it is connected with the outside of air plug (16)；
--- --- --- sealing ring (11) --- case (13) --- navigates flange (12) sealing ring (10) the cup type flexbile gear (6)
Insert (16) and constitute a seal cavity, and thin-wall bearing (7), major axis (8), wave producer (9), that engine (14) is respectively positioned on this is close
Within envelope cavity.
2. a kind of closed harmonic drive according to claim 1, it is characterised in that：The engine (14) is
Motor.
3. a kind of closed harmonic drive according to claim 1, it is characterised in that：The engine (14) is
The assembly of motor and decelerator.
4. a kind of closed harmonic drive according to claim 1, it is characterised in that：The air plug (16) is mark
Quasi- air plug.
5. a kind of closed harmonic drive according to claim 1, it is characterised in that：The air plug (16) is mark
Quasi- air plug is welded on the nonstandard air plug formed on flat board.
6. a kind of closed harmonic drive according to claim 1, it is characterised in that：Closed harmonic gear subtracts
When fast machine is applied to high-cleanness environment, the lubricant of the seal cavity inner components is lubricating oil or lubricating grease；It is described close
Envelope cavity outside parts after cleaning up, the kollag such as graphite spraying or molybdenum bisuphide.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611201778.4A CN106641108A (en) | 2016-12-19 | 2016-12-19 | Closed harmonic gear speed reducer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611201778.4A CN106641108A (en) | 2016-12-19 | 2016-12-19 | Closed harmonic gear speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106641108A true CN106641108A (en) | 2017-05-10 |
Family
ID=58827137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611201778.4A Withdrawn CN106641108A (en) | 2016-12-19 | 2016-12-19 | Closed harmonic gear speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106641108A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100988A (en) * | 2017-06-06 | 2017-08-29 | 杭州航验环境技术有限公司 | A kind of closed reciprocating rotating engine |
| CN107302281A (en) * | 2017-08-01 | 2017-10-27 | 杭州航验环境技术有限公司 | A kind of closed linear moving apparatus |
| CN108180273A (en) * | 2018-02-12 | 2018-06-19 | 顺德职业技术学院 | Multiple harmonic drive with spherical gear |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2281440Y (en) * | 1996-10-31 | 1998-05-13 | 中国科学院沈阳科学仪器研制中心 | Sealed harmonic speed reducer |
| CN103527720A (en) * | 2012-07-05 | 2014-01-22 | 北京精密机电控制设备研究所 | Harmonic reducer |
| CN206458786U (en) * | 2016-12-19 | 2017-09-01 | 杭州航验环境技术有限公司 | A kind of closed harmonic drive |
-
2016
- 2016-12-19 CN CN201611201778.4A patent/CN106641108A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2281440Y (en) * | 1996-10-31 | 1998-05-13 | 中国科学院沈阳科学仪器研制中心 | Sealed harmonic speed reducer |
| CN103527720A (en) * | 2012-07-05 | 2014-01-22 | 北京精密机电控制设备研究所 | Harmonic reducer |
| CN206458786U (en) * | 2016-12-19 | 2017-09-01 | 杭州航验环境技术有限公司 | A kind of closed harmonic drive |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107100988A (en) * | 2017-06-06 | 2017-08-29 | 杭州航验环境技术有限公司 | A kind of closed reciprocating rotating engine |
| CN107100988B (en) * | 2017-06-06 | 2024-01-09 | 杭州航验环境技术有限公司 | Closed reciprocating rotary power machine |
| CN107302281A (en) * | 2017-08-01 | 2017-10-27 | 杭州航验环境技术有限公司 | A kind of closed linear moving apparatus |
| CN108180273A (en) * | 2018-02-12 | 2018-06-19 | 顺德职业技术学院 | Multiple harmonic drive with spherical gear |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20170510 |