CN201003571Y - Three gear plate inner mesh few teeth difference planetary gear transmission device - Google Patents
Three gear plate inner mesh few teeth difference planetary gear transmission device Download PDFInfo
- Publication number
- CN201003571Y CN201003571Y CNU200720010259XU CN200720010259U CN201003571Y CN 201003571 Y CN201003571 Y CN 201003571Y CN U200720010259X U CNU200720010259X U CN U200720010259XU CN 200720010259 U CN200720010259 U CN 200720010259U CN 201003571 Y CN201003571 Y CN 201003571Y
- Authority
- CN
- China
- Prior art keywords
- gear
- external tooth
- tooth wheel
- eccentric
- 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.)
- Expired - Fee Related
Links
Images
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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The utility model relates to a gear board inside meshing planet gear transmission device with little gear differential, consisting of a body, an inputting axis, a sun wheel, an eccentric axis, a planet gear, an outer gear board, a connecting axis, an even loading board, an outputting axis board and a bearing. The outer gear board adopts a three-gear board type structure; the quality of middle outer gear board is twice of the quality of the outer gear boards at the two sides; the eccentric phase of the eccentric axis on the middle outer gear board has corresponding phase separation with the phases on the outer gear boards on the two sides. The utility model has the main advantages of always guaranteeing that the inertia force and the inertia torque generated by the eccentric axis are balanced, improving the dynamic capability of the device, having compact and simple structure and good vibrating and stabilizing capability.
Description
Technical field
The utility model belongs to a kind of mixing planetary type gear transmission unit.
Background technique
Prior art sees the disclosed CN 1366590A of Patent Office of the People's Republic of China number patent of invention: the transmission device of internal-meshing planetary gear construction.In the technology of this patent disclosure, there are two with the external tooth wheel plate of internal gear engagement, but the inertial force balance that eccentric shaft produced in the interior engagement small teeth number difference planet gear transmission of two external gear plate structures, but the moment of inertia that inertial force produced can not balance, influence the dynamic performance of transmission device, particularly under the high-speed motion situation, easily produced vibration and noise.
Summary of the invention
The purpose of this utility model is the weakness at the interior engagement small teeth number difference planet gear transmission of above-mentioned prior art, design a kind of interior engagement small teeth number difference planet gear transmission device of new structure, but make all balances of eccentric shaft produced in the transmission device inertial force and moment of inertia.
The technical solution of the utility model is: engagement small teeth number difference planet gear transmission device in the gear plate, by the body 1,9,10 of band internal tooth, be installed in sun gear 3 on the input shaft 2, be installed on the eccentric shaft 5 with sun gear planet gear meshed 4, be installed on the eccentric shaft part bearing of eccentric shaft with the external tooth wheel plate 8 of body internal tooth engagement, with joining shaft 16 pass the equal support plate 7 that the external tooth wheel plate connects and export axillare 11, bearing 13,14,15,17 constitutes.Its structure is: described external tooth wheel plate adopts three gear plank frames, the quality of middle external tooth wheel plate 6 is twices of the quality of both sides external tooth wheel plate 8, and it is poor that eccentric shaft 5 has respective phase in eccentric phase place on the middle external tooth wheel plate 8 and eccentric phase place on both sides external tooth wheel plate 6.
Engagement small teeth number difference planet gear transmission device in three gear plates described in the utility model, its structure is: the engagement of external tooth wheel plate 6,8 and body internal tooth can be adopted cycloid pin gear or the engagement of involute gear profile of tooth.
Engagement small teeth number difference planet gear transmission device in three gear plates described in the utility model, its structure is: described input shaft and output shaft are the hollow shafts of solid shaft or band inner spline groove.
Working principle of the present utility model is: according to the theory of engagement, when input shaft rotates, the sun gear 3 that is installed on the input shaft 2 drives 4 rotations of three planet wheels, and planet wheel 4 is done rotation around the axis of self on the one hand, does revolution around the axis of sun gear on the other hand.Simultaneously, planet wheel 4 drives the rotation that eccentric shafts 5 are being done identical not only rotation but also revolved round the sun, eccentric shaft 5 just drives middle external tooth wheel plate 6 with eccentric phase difference and 8 motions of both sides external tooth wheel plate, and external tooth wheel plate 6 and both sides external tooth wheel plate 8 are done cycloid motion in the middle of under the constraint of the internal tooth of body 9; Meanwhile, output axillare 11 and output shaft 18 are with the revolution motion output of eccentric shaft.
Major advantage of the present utility model is:
1, balance of shaking force and the moment of inertia balance that guarantees eccentric shaft all the time and produced improved the dynamic performance of transmission device.
2, new structure can be used for the internal gear engagement small teeth number difference planet gear transmission device of dissimilar tooth form.
3, fatigue life height, the running accuracy height,
4, compact structure and simple, efficient is high, velocity ratio is big, stability of vibration is good,
Description of drawings
The utility model has accompanying drawing four width of cloth, wherein:
Fig. 1 is an engagement small teeth number difference planet gear transmission structures schematic representation in involute gear three gear plates of the present utility model.
Fig. 2 meshes the small teeth number difference planet gear transmission structures along the horizontal cross-sectional schematic of input shaft axis in involute gear three gear plates of the present utility model.
Fig. 3 is an engagement small teeth number difference planet gear transmission structures schematic representation in cycloid pin gear three gear plates of the present utility model.
Fig. 4 is that input shaft of the present utility model and output shaft are the interior engagement of the three gear plates small teeth number difference planet gear transmission structures schematic representation of hollow-core construction.
In the accompanying drawing: 1, body front end-plate, 2, input shaft, 3, sun gear, 4, planet wheel, 5, eccentric shaft, 6, middle external tooth wheel plate, 7, equal support plates, 8, both sides external tooth wheel plate, 9, the body of band internal tooth, 10, the body rear end plate, 11, output shaft, 12, eccentric bushing, 13, eccentric shaft bearing, 14, bearing of input shaft, 15, output shaft bearing, 16, output axillare and equal support plate joining shafts, 17, the body bearing, 18, output shaft, 19, gear pin, 20, pin gear sleeve.
Embodiment
Below in conjunction with description of drawings embodiment of the present utility model.
What accompanying drawing 1 and accompanying drawing 2 provided is engagement small teeth number difference planet gear transmission device in involute profile three gear plates, is the interior engagement of the involute profile three gear plates small teeth number difference planet gear transmission device that has three groups of planetary pinions 4, eccentric shaft 5, joining shaft 16 formations.3 planetary pinions 4 mesh with sun gear 3; 3 eccentric shafts 5 mechanically are connected to corresponding planetary pinion 4; 3 joining shafts 16 pass the external tooth wheel plate and mechanically connect output axillare 11 and equal support plate 7.The transmission device basic comprising is: the open type epicyclic transmission mechanism adds that eccentric differential tramsmitting linkage adds that parallel-crank mechanism adds output mechanism.The open type epicyclic transmission mechanism is made up of a sun gear 3 and three planet wheels 4 of being installed on the input shaft 2; Eccentric differential tramsmitting linkage is made up of the body 9 of external tooth wheel plate in the middle of 6, two both sides external tooth wheel plates 8 and band internal tooth; Parallel-crank mechanism is made up of external tooth wheel plate in the middle of three eccentric shafts 5,6, two both sides external tooth wheel plates 8; Output mechanism is made of output axillare 11 and output shaft 18.
All support plate 7, three connect the output axillare and have constituted all carrying and high stiffness structure of a sealing with joining shaft 16, output axillare 11 and three eccentric shafts 5 of equal support plate, improve the kinematic accuracy and the dynamic performance of transmission.
Its external tooth wheel plate adopts three gear plank frames, and the quality of middle external tooth wheel plate is the twice of the quality of both sides external tooth wheel plate, and eccentric shaft is spent with the eccentric phase difference mutually 180 on the external tooth wheel plate of both sides in the eccentric phase place on the middle external tooth wheel plate.External tooth wheel plate 6 in the middle of eccentric shaft bearing 13 is supported on eccentric shaft, two both sides external tooth wheel plates 8, output axillare 11 and all on the support plate 7 reduce the friction and wear between eccentric shaft and middle external tooth wheel plate 6, two both sides external tooth wheel plates 8, output axillare 11 and the equal support plates 7 like this.Body front end-plate 1, body 9 and body rear end plate 10 constitute the transmission device casing of sealing by scyewed joint; Two input shaft spring bearings 14 are installed in the bearing support of body front end-plate 1 respectively and in the bearing support of output axillare 11; Output shaft bearing 15 is installed in the bearing support of body rear end plate 10; Two body bearings 17 are supporting all support plate 7 and output axillare 11 respectively.Eccentric bushing 12 is installed on the eccentric shaft by key connecting, is convenient to the assembling of three gear plates and three eccentric shafts.Three eccentric shafts 5 and three planet wheels 4 all are that to differ 120 degree uniform on gear plate; Three joining shafts 16 that connect equal support plates and output axillare differ 120 degree and pass gear plate and be distributed on equal support plate and the output axillare.Joining shaft 16 differs 60 degree with eccentric shaft.Output axillare 11 and output shaft 18 are made one.
Fig. 3 is an engagement small teeth number difference planet gear transmission structures schematic representation in cycloid pin gear three gear plates, change middle external tooth wheel plate and both sides external tooth wheel plate into middle cycloid wheel and both sides cycloid wheel in its structure, the internal tooth of body changes gear pin 19 and pin gear sleeve 20 into, has promptly constituted engagement small teeth number difference planet gear transmission device in cycloid pin gear three gear plates.
Fig. 4 is that input shaft and output shaft are the interior engagement of the three gear plates small teeth number difference planet gear transmission structures schematic representation of hollow shaft, and its input shaft and output shaft all are the hollow shafts of band inner spline groove.Hollow shaft is convenient to and is imported connecting of power plant and working machine.
The utility model is applicable to various mechanical transmission.Both can be used as speed reducer, also can be used as booster engine.Can be used to change various common electric machines into slowspeed machine.Also can be applicable to all kinds of electric wrenches and lapping machine etc.
Claims (3)
1, engagement small teeth number difference planet gear transmission device in the gear plate, body (1 by the band internal tooth, 9,10), be installed in the sun gear (3) on the input shaft (2), be installed on the eccentric shaft (5) with sun gear planet gear meshed (4), be installed in the external tooth wheel plate (8 that meshes with the body internal tooth on the eccentric shaft,), pass equal support plate (7) and the output axillare (11) that the external tooth wheel plate connects with joining shaft (16), bearing (13,14,15,17) constitute, it is characterized in that: described external tooth wheel plate adopts three gear plank frames, the quality of middle external tooth wheel plate (6) is the twice of the quality of both sides external tooth wheel plates (8), and it is poor that eccentric shaft (5) has respective phase in eccentric phase place on the middle external tooth wheel plate (6) and eccentric phase place on both sides external tooth wheel plates (8).
2, engagement small teeth number difference planet gear transmission device in three gear plates according to claim 1 is characterized in that: external tooth wheel plate (8,6) can adopt cycloid pin gear or the engagement of involute gear profile of tooth with the engagement of body internal tooth.
3, engagement small teeth number difference planet gear transmission device in three gear plates according to claim 1, it is characterized in that: described input shaft and output shaft are the hollow shafts of solid shaft or band inner spline groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720010259XU CN201003571Y (en) | 2007-01-19 | 2007-01-19 | Three gear plate inner mesh few teeth difference planetary gear transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720010259XU CN201003571Y (en) | 2007-01-19 | 2007-01-19 | Three gear plate inner mesh few teeth difference planetary gear transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201003571Y true CN201003571Y (en) | 2008-01-09 |
Family
ID=39039108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720010259XU Expired - Fee Related CN201003571Y (en) | 2007-01-19 | 2007-01-19 | Three gear plate inner mesh few teeth difference planetary gear transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201003571Y (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813165A (en) * | 2010-05-01 | 2010-08-25 | 吴声震 | Wind power generation three-piece double-cycloid yawing speed reducer |
| CN102032324A (en) * | 2010-08-18 | 2011-04-27 | 吴声震 | Three-sheet double-cycloid single stage decelerator of industrial robot |
| CN102922354A (en) * | 2012-10-26 | 2013-02-13 | 大连交通大学 | Friction wheel traction transmission cycloidal processing device |
| CN103016634A (en) * | 2012-12-17 | 2013-04-03 | 哈尔滨理工大学 | RV (rotate vector) double-cycloidal pin gear speed reducer |
| CN103307227A (en) * | 2013-05-20 | 2013-09-18 | 中国矿业大学 | Low-speed heavy-load three-ring speed reducer capable of adjusting speed |
| CN105134888A (en) * | 2015-10-16 | 2015-12-09 | 宋志安 | Precise reduction transmission mechanism |
| CN105546072A (en) * | 2016-02-03 | 2016-05-04 | 湖南特传重工科技股份有限公司 | Annular speed reduction device with non-return function |
| WO2023103855A1 (en) * | 2021-12-09 | 2023-06-15 | 汤曙光 | Small-tooth-difference internally toothed planetary gear transmission reduction device |
-
2007
- 2007-01-19 CN CNU200720010259XU patent/CN201003571Y/en not_active Expired - Fee Related
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813165A (en) * | 2010-05-01 | 2010-08-25 | 吴声震 | Wind power generation three-piece double-cycloid yawing speed reducer |
| CN102032324A (en) * | 2010-08-18 | 2011-04-27 | 吴声震 | Three-sheet double-cycloid single stage decelerator of industrial robot |
| CN102032324B (en) * | 2010-08-18 | 2013-01-02 | 吴声震 | Three-sheet double-cycloid single stage decelerator of industrial robot |
| CN102922354A (en) * | 2012-10-26 | 2013-02-13 | 大连交通大学 | Friction wheel traction transmission cycloidal processing device |
| CN102922354B (en) * | 2012-10-26 | 2015-04-22 | 大连交通大学 | Friction wheel traction transmission cycloidal processing device |
| CN103016634A (en) * | 2012-12-17 | 2013-04-03 | 哈尔滨理工大学 | RV (rotate vector) double-cycloidal pin gear speed reducer |
| CN103307227A (en) * | 2013-05-20 | 2013-09-18 | 中国矿业大学 | Low-speed heavy-load three-ring speed reducer capable of adjusting speed |
| CN105134888A (en) * | 2015-10-16 | 2015-12-09 | 宋志安 | Precise reduction transmission mechanism |
| CN105134888B (en) * | 2015-10-16 | 2018-02-06 | 宋志安 | A kind of accurate reduction gearing mechanism |
| CN105546072A (en) * | 2016-02-03 | 2016-05-04 | 湖南特传重工科技股份有限公司 | Annular speed reduction device with non-return function |
| WO2023103855A1 (en) * | 2021-12-09 | 2023-06-15 | 汤曙光 | Small-tooth-difference internally toothed planetary gear transmission reduction device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201003571Y (en) | Three gear plate inner mesh few teeth difference planetary gear transmission device | |
| CN201137672Y (en) | Double inner gearing balance type few teeth difference decelerator | |
| CN201177029Y (en) | Planet type few teeth difference decelerator | |
| CN201475265U (en) | Three-ring speed reducer | |
| CN102230518B (en) | Drum-type inner ring plate speed reducer with less tooth difference | |
| CN201053475Y (en) | Three-crank planet cycloidal needle wheel reducer | |
| CN200985985Y (en) | Multiple angle cranks, low vibrating and few teeth difference speed reducer | |
| CN100464089C (en) | New type annular plate type RV actuator | |
| CN102080707A (en) | Two-end output speed reducing transmission device | |
| CN104565218A (en) | RV speed reducer based on CTC (Centralized Traffic Control) circular arc and single circular arc few tooth difference planetary transmission | |
| CN200993197Y (en) | Compound drive reducer | |
| CN102829150A (en) | Crank planetary gear transmission device | |
| CN102678835B (en) | Two-stage movable tooth speed reducing transmission device | |
| CN209925523U (en) | Planetary cycloidal speed reducer for light robot | |
| CN101117997A (en) | Internal tricyclic decelerator | |
| CN109027145B (en) | Composite multiple eccentric gear transmission speed changing device | |
| CN201090682Y (en) | Internal three-cycle speed reducer | |
| CN204127213U (en) | A kind of built-in Gear Planet Transmission high rigidity gear with small teeth difference transmission device | |
| CN103307214A (en) | Coplaner double-inside engaged gear with few tooth differences and reducer adopting coplaner double-inside engaged gear | |
| CN109780141B (en) | Conjugate cam hypocycloid speed reducer | |
| CN107044511A (en) | A kind of robot poor tooth reductor of cycloid | |
| CN218817899U (en) | Hollow sealed cycloidal speed reducer for heavy industrial equipment | |
| WO2016154925A1 (en) | Speed reducer for driving window curtain or door curtain | |
| CN201013867Y (en) | Internal tooth planetary gear speed reducer | |
| CN206326620U (en) | Unit combined robot wrist |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080109 Termination date: 20130119 |