CN103697149A - Planet gear elastic supporting structure - Google Patents
Planet gear elastic supporting structure Download PDFInfo
- Publication number
- CN103697149A CN103697149A CN201310391527.7A CN201310391527A CN103697149A CN 103697149 A CN103697149 A CN 103697149A CN 201310391527 A CN201310391527 A CN 201310391527A CN 103697149 A CN103697149 A CN 103697149A
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- China
- Prior art keywords
- planet
- pin
- bearing
- shaft
- bearings
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- 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
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Classifications
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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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H57/082—Planet carriers
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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
- F16H57/00—General details of gearing
- F16H57/08—General details of gearing of gearings with members having orbital motion
- F16H2057/085—Bearings for orbital gears
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention relates to a planet gear elastic supporting structure which comprises a planet gear supported on a planet shaft by bearings. One end part of each bearing is provided with a locking round nut; the middle of the planet shaft is in interference connection with a planet pin; the planet pin is fixed on a planet carrier by a limiting pin sleeve; the limiting pin sleeve extends inwards by a certain section and is arranged between the planet pin and the planet shaft; the end part of the planet pin is provided with a circlip for shaft, which takes an axial positioning effect; the bearings are two tapered roller bearings without outer rings; a bearing gap regulating spacer is arranged between the two tapered roller bearings; a regulating spacer and a spring check ring are arranged outside each round nut; the planet pin generates elastic deformation to generate offset so as to effectively make up a machining error of the planet gear and the planet carrier, reaches an excellent and uniform load and ensure synchromesh of a plurality of planet gears.
Description
Technical field
What the present invention relates to is a kind of novel planet wheel elastic support structure, belongs to planet gear transmission technical field.
Background technique
In planetary gear transmission mechanism, load balancing mechanism is the difficult point in design, and effect of load balancing mechanism has directly determined product reliability of operation.Conventionally in a planetary mechanism, adopt sun gear or planet carrier to float, because sun gear or planet carrier float, structurally more easily process; And planet wheel is unsteady normally more unmanageable, therefore seldom adopt at present this kind of structure.Fig. 1 is existing planet wheel rigidity supporting structure, shown in figure, it comprises that one is placed in the planet wheel 12 on planet pin 15 by bearing 13, and planet pin 15 is placed on planet carrier 11, one side of planet pin is provided with spacer ring 14, and said structure has formed the rigidity supporting structure of planet wheel; But there is following shortcoming in said structure:
1) planet carrier, owing to being subject to the effect of moment of torsion and moment of flexure simultaneously, easily produces and reverses and bending deflection, affects the accuracy of mesh of planet wheel;
2) planet wheel is used number to have larger restriction, general maximum 4;
3) gear-box boundary dimension is large, and weight is large.
Summary of the invention
The object of the invention is to overcome the deficiency that prior art exists, and provide a kind of simple and reasonable for structure, compact, easy to use, reliable, the planet wheel elastic support structure that effect of load balancing mechanism is good.
The object of the invention is to complete by following technical solution, it comprise one by bearings the planet wheel in planet axis, an end of bearing disposes a stripped nut, the middle interference fit joint of planet axis has planet pin; Described planet pin is fixed on planet carrier by a spacing guide, and described spacing guide extends internally one section and be placed between planet pin and planet axis, and the end of planet pin has been provided with the circlip for shaft of axially locating effect.
Described bearing be two not with the tapered roller bearing of outer ring, between two tapered roller bearings, be provided with bearing play and adjust spacer ring; Described round nut is provided with one outward and adjusts spacer ring and a check ring.
tool of the present invention has the following advantages:
1) be conducive to well all carry between planetary pinion;
2) can increase planet wheel number, in one-level planetary mechanism, can reach 10;
3) planet wheel uniform tooth load is good;
4) can reduce planet wheel and planet carrier machining accuracy;
5) good buffer function, improves gear-box reliability;
6) can reduce gear-box boundary dimension and weight.
Accompanying drawing explanation
Fig. 1 is the rigidity supporting structure schematic diagram of traditional planet wheel.
Fig. 2 is the schematic diagram of planet wheel elastic support structure of the present invention.
Fig. 3 is the elastic axis deformation pattern of planet wheel elastic support structure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail: shown in Fig. 2, the present invention includes one and be supported on the planet wheel 27 in planet axis 22 by bearing 26, one end of bearing disposes a stripped nut 25, and the middle interference fit joint of planet axis 22 has planet pin 21; Described planet pin 21 is fixed on planet carrier 31 by a spacing guide 29, and described spacing guide 29 extend internally one section and be placed in planet pin 21 and planet axis 22 between, the end of planet pin 21 has been provided with the circlip for shaft 30 of axially locating effect.
Described bearing 26 be two not with the tapered roller bearing of outer ring, between two tapered roller bearings, be provided with bearing play and adjust spacer ring 28; An outer adjustment spacer ring 24 and the check ring 23 of being provided with of described stripped nut 25, they have double protection to bearing 26 together with stripped nut 25, have improved greatly product operational reliability.
Shown in Fig. 3, when planet wheel 27 is when stressed, there is resiliently deformable in planet pin 21, and side-play amount is A.Spacing guide 29 has overload protective function to planet pin 21 at planet wheel 27 under overload situations.
Because planet wheel 27 and planet carrier 31 have inevitable machining error in course of working, cause the engagement magnitude of misalignment of a plurality of planet wheels when engagement, can not effectively guarantee a plurality of planet wheel synchromesh.And thereby planet wheel elastic support structure of the present invention produces owing to there being planet pin 21 that resiliently deformable occurs the machining error that side-play amount has effectively made up planet wheel 27 and planet carrier 31, reach and well all carry, guarantee the synchromesh of a plurality of planet wheels.
Claims (2)
1. a planet wheel elastic support structure, it comprise one by bearings the planet wheel in planet axis, an end of bearing disposes a stripped nut, it is characterized in that the middle interference fit joint of described planet axis (22) has planet pin (21); Described planet pin (21) is fixed on planet carrier (31) by a spacing guide (29), and described spacing guide (29) extend internally one section and be placed in planet pin (21) and planet axis (22) between, the end of planet pin (21) has been provided with the circlip for shaft (30) of axially locating effect.
2. planet wheel elastic support structure according to claim 1, it is characterized in that described bearing (26) be two not with the tapered roller bearing of outer ring, between two tapered roller bearings, be provided with bearing play and adjust spacer ring (28); An outer adjustment spacer ring (24) and the check ring (23) of being provided with of described round nut (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310391527.7A CN103697149A (en) | 2013-09-02 | 2013-09-02 | Planet gear elastic supporting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310391527.7A CN103697149A (en) | 2013-09-02 | 2013-09-02 | Planet gear elastic supporting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103697149A true CN103697149A (en) | 2014-04-02 |
Family
ID=50358781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310391527.7A Pending CN103697149A (en) | 2013-09-02 | 2013-09-02 | Planet gear elastic supporting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103697149A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151392A (en) * | 2016-07-20 | 2016-11-23 | 浙江双环传动机械股份有限公司 | A kind of load-balancing device of herringbone bear Gear Planet Transmission |
| CN110230688A (en) * | 2019-07-19 | 2019-09-13 | 南京高速齿轮制造有限公司 | Planetary gear mechanism |
| CN111022615A (en) * | 2019-12-23 | 2020-04-17 | 湘潭大学 | Novel flexible pin shaft load balancing structure for eliminating planet wheel axial inclination angle |
| CN113738828A (en) * | 2021-09-14 | 2021-12-03 | 珠海格力电器股份有限公司 | Planetary cycloidal speed reducer and robot |
| CN113958666A (en) * | 2021-11-05 | 2022-01-21 | 南京农业大学 | High-power tractor HMCVT three-planet row confluence mechanism |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040141674A1 (en) * | 2001-03-30 | 2004-07-22 | Dirk-Olaf Leimann | Method for forming a taper roller bearing assembly |
| CN202441856U (en) * | 2012-02-21 | 2012-09-19 | 上海振华重工(集团)股份有限公司 | Planetary device |
| CN102913610A (en) * | 2012-10-16 | 2013-02-06 | 中国北方车辆研究所 | Floating gear ring axial positioning mechanism used for high-speed planet row |
| CN103104690A (en) * | 2013-02-05 | 2013-05-15 | 杭州前进齿轮箱集团股份有限公司 | Elastic support structure of planet wheel |
| CN203477266U (en) * | 2013-09-02 | 2014-03-12 | 杭州前进齿轮箱集团股份有限公司 | Elastic planet wheel supporting structure |
-
2013
- 2013-09-02 CN CN201310391527.7A patent/CN103697149A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040141674A1 (en) * | 2001-03-30 | 2004-07-22 | Dirk-Olaf Leimann | Method for forming a taper roller bearing assembly |
| CN202441856U (en) * | 2012-02-21 | 2012-09-19 | 上海振华重工(集团)股份有限公司 | Planetary device |
| CN102913610A (en) * | 2012-10-16 | 2013-02-06 | 中国北方车辆研究所 | Floating gear ring axial positioning mechanism used for high-speed planet row |
| CN103104690A (en) * | 2013-02-05 | 2013-05-15 | 杭州前进齿轮箱集团股份有限公司 | Elastic support structure of planet wheel |
| CN203477266U (en) * | 2013-09-02 | 2014-03-12 | 杭州前进齿轮箱集团股份有限公司 | Elastic planet wheel supporting structure |
Non-Patent Citations (1)
| Title |
|---|
| 现代实用机床设计手册编委会: "《现代实用机床设计手册 上册》", 31 August 2006 * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106151392A (en) * | 2016-07-20 | 2016-11-23 | 浙江双环传动机械股份有限公司 | A kind of load-balancing device of herringbone bear Gear Planet Transmission |
| CN110230688A (en) * | 2019-07-19 | 2019-09-13 | 南京高速齿轮制造有限公司 | Planetary gear mechanism |
| CN111022615A (en) * | 2019-12-23 | 2020-04-17 | 湘潭大学 | Novel flexible pin shaft load balancing structure for eliminating planet wheel axial inclination angle |
| CN113738828A (en) * | 2021-09-14 | 2021-12-03 | 珠海格力电器股份有限公司 | Planetary cycloidal speed reducer and robot |
| CN113958666A (en) * | 2021-11-05 | 2022-01-21 | 南京农业大学 | High-power tractor HMCVT three-planet row confluence mechanism |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into 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: 20140402 |