CN102913610A - Floating gear ring axial positioning mechanism used for high-speed planet row - Google Patents
Floating gear ring axial positioning mechanism used for high-speed planet row Download PDFInfo
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- CN102913610A CN102913610A CN2012104025615A CN201210402561A CN102913610A CN 102913610 A CN102913610 A CN 102913610A CN 2012104025615 A CN2012104025615 A CN 2012104025615A CN 201210402561 A CN201210402561 A CN 201210402561A CN 102913610 A CN102913610 A CN 102913610A
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- planet wheel
- gear ring
- planet
- axial positioning
- positioning mechanism
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Abstract
The invention belongs to the technical field of mechanical transmission and relates to a floating gear ring axial positioning mechanism used for a high-speed planet row, in particular to a gear ring axial positioning mechanism, aiming to realize gear ring axial positioning having both the functions of a brake inner hub and a clutch outer hub and meet a uniform load floating requirement of the gear ring. The mechanism comprises a planet wheel, a planet wheel shaft, a cylindrical roller planet wheel bearing, a planet wheel baffle disk, a limit snap ring, a brake powder-dual friction pair, a gear ring, a clutch powder-dial friction pair, a planet carrier and a bearing limit snap ring. The gear ring axial positioning mechanism has the advantages that self steps of the planet wheel, the baffle disk and the gear ring are used for realizing self positioning, so that the problem of too large axial structural size caused by leading out a supporting wall from the gearing ring to place the bearing is avoided; and the gear ring axial positioning mechanism is suitable for the axial positioning of a high-speed planet row gear ring in a planet gearbox and simultaneously can be used for achieving the purposes of simple and compact structure and easiness of processing and realizing.
Description
Technical field
The invention belongs to the mechanical transmissioning technology field, relate to a kind of unsteady gear ring axial positioning mechanism for the high speed planet row.
Background technique
Along with integrated transmission system to the high power density future development, the subsystem of inevitable requirement construction system assembly when conceptual design and structural design thereof, satisfying under the prerequisite of stiffness must the considering compression structure axially and radial dimension.Planet speed change mechanism is the core component of integrated transmission system, planet speed change mechanism is mainly by clutch, break and planet row form, among the three, especially maximum with the shared size of clutch and planet row, so clutch and the shared axial dimension of planet row become the most direct standard of quality of estimating a planet speed change mechanism scheme.Consider above-mentioned reason, will consider planet row and the shared axial space of clutch when carrying out structural design after definite planet speed change mechanism scheme, patent of the present invention just is being based under this background and is producing.Existing transmission scheme requires the Placement of hub in the outer hub of gear ring and clutch and the break for being fixedly connected with, according to conventional thought, this Placement can realize by the gear teeth or spline mode, its defective is that axial occupation space is very big, its supporting way need to be selected the larger diameter bearing, then brings bearing to select, lubricate relevant issues such as reaching bearing support itself.With three's (hub in the outer hub of gear ring and clutch and the break) as one (seeing accompanying drawing part 7 for details), can avoid the problems referred to above, in addition, after being made of one, according to conventional thought, the axially locating of this part adopts clutch outside that the gear teeth interpolation snap ring mode of hub realizes in the hub and break, shortcoming is, be difficult for processing and realize, also easily cause stress to concentrate to the gear teeth, worsen its working environment.Therefore, what need to provide that a kind of orientation type namely realized gear ring all carries unsteady requirement, is easy to again processing and realizes.
Summary of the invention
The technical problem that the present invention solves provides a kind of unsteady gear ring axial positioning mechanism for the high speed planet row, thereby the axial space occupy-place that realizes the gear planet row can be dwindled greatly, meet system to the compact requirement of parts, under the present art condition, structure of the same type all can adopt this mechanism, highly versatile, and be easy to the processing realization.
The technological scheme that solves the technology of the present invention problem is: a kind of unsteady gear ring axial positioning mechanism for the high speed planet row comprises planet wheel, planet wheel shaft, cylindrical roller planet wheel bearing, gear ring, planet carrier; Planet wheel shaft is realized radial support by the planet wheel axis hole on the planet carrier, and planet wheel is supported on by two cylindrical roller planet wheel bearings and realizes radial location on the planet wheel shaft, and gear ring and planet wheel are realized engagement simultaneously; Also comprise the planet wheel block plate, limited location snap ring, limited location snap ring is arranged in the planet wheel left side and snaps in the groove in the left side of gear ring, the planet wheel block plate be in its left side limited location snap ring with and the step of the gear ring on right side between, making limited location snap ring and planet wheel block plate jointly limit gear ring moves right vertically, the right side part that gear ring is positioned at planet wheel has a boss to downward-extension, and this boss restriction gear ring self is moved to the left vertically; The gap is retained in tooth of planet right side and gear ring right side between the boss of downward-extension, retain the gap between tooth of planet left side and planet wheel block plate.
Preferably, a kind of unsteady gear ring axial positioning mechanism for the high speed planet row of the present invention also comprises break powder-antithesis friction pair, clutch powder-antithesis friction pair, anti-wear gasket and planet wheel limited location snap ring.
The invention has the beneficial effects as follows, use the step of planet wheel and block plate and gear ring self to realize the self-align of itself, can avoid drawing one knee wall from gear ring and place the oversize problem of axial arrangement that bearing brings, be applicable to the axially locating of the high speed planet toothrow circle in the planetary transmission, simultaneously can implementation structure simply compact, be easy to process the purpose of realization.
Description of drawings
Fig. 1 is for being used for the unsteady gear ring axial positioning mechanism structural drawing of high speed planet row.
1-planet wheel wherein, 2-planet wheel shaft, 3-cylindrical roller planet wheel bearing, 4-planet wheel block plate, the 5-limited location snap ring, 6-break powder-antithesis friction pair, 7-gear ring, 8-clutch powder-antithesis friction pair, the 9-planet carrier, 10-anti-wear gasket, 11-planet wheel limited location snap ring.
Embodiment
Below in conjunction with accompanying drawing a kind of unsteady gear ring axial positioning mechanism for the high speed planet row provided by the invention is further described.
A kind of unsteady gear ring axial positioning mechanism for the high speed planet row of the present invention,
As shown in Figure 1, this figure has described the component part of unsteady gear ring axial positioning mechanism, and associated part during the work of this mechanism, comprises planet wheel 1, planet wheel shaft 2, cylindrical roller planet wheel bearing 3, gear ring 7, planet carrier 9; Break powder-antithesis friction pair 6, clutch powder-antithesis friction pair 8, anti-wear gasket 10 and planet wheel limited location snap ring 11 also comprise planet wheel block plate 4, limited location snap ring 5,
From the footpath always, planet carrier 9 is by bearing and side cover housing realization supporting and location radially, in this mechanism, can regard locating element as, planet wheel shaft 2 is realized radial support by the planet wheel axis hole on the planet carrier 9, planet wheel 1 is supported on the planet wheel shaft 2 by two cylindrical roller planet wheel bearings 3 and realizes radial location, and gear ring 7 is realized engagement with planet wheel 1 simultaneously.
From axially, planet carrier 9 is by the axially locating of bearing realization with the side cover housing, planet wheel 1 is by two anti-wear gaskets 10 of the planet wheel axis hole inboard of planet carrier 9, and cylindrical roller planet wheel bearing 3 and planet wheel limited location snap ring 5 are realized the axially locating of planet wheel.
The present invention mainly is to realize with planet wheel 1 axially locating of gear ring 7, and as mentioned above, planet wheel 1 has been realized axially locating, and gear ring 7 passes through planet wheel 1, planet wheel block plate 4, and limited location snap ring 5 is realized axially locating.
Wheel limited location snap ring 5 is arranged in the groove that planet wheel 1 left side snaps in the left side of gear ring 7, planet wheel block plate 4 is in limited location snap ring 5 right sides, and by the step limits on the gear ring 7 on star-wheel block plate 4 right sides it moves axially, therefore, at planet wheel 1 under the prerequisite of axially locating, gear ring 7 self moves right vertically by limited location snap ring 5 and planet wheel block plate 4 restriction gear rings 7, namely realize axially locating (namely illustrating the A place), gear ring 7 is positioned at planet wheel 1 right side a boss to downward-extension, this boss restriction gear ring 7 self is moved to the left (namely illustrating the B place) vertically, and namely the location self is realized by gear ring 7 in gear ring 7 right sides.
Because the engagement of planet wheel 1 gear teeth and gear ring 7, there is relative movement in the step place of planet wheel 1 gear teeth and gear ring 7, direct and direct sliding the rubbing of gear ring 7 steps for fear of planet wheel 1 gear teeth end face, it (is the A of accompanying drawing that employing is made step at planet wheel 1 end face, B two places, the gear teeth of planet wheel 1 are narrower than the width of the body of planet wheel 1, namely the end face at planet wheel 1 forms a step), this step makes planet wheel 1 gear teeth end face and gear ring 7 right sides retain the gap to boss and 4 of the planet wheel block plates of downward-extension, only so that directly contacting with gear ring 7 steps and planet wheel block plate 4, planet wheel 1 body (sees accompanying drawing A, B two places), thus realize axially locating and the relative movement of gear ring 7.
Claims (2)
1. a unsteady gear ring axial positioning mechanism that is used for the high speed planet row comprises planet wheel (1), planet wheel shaft (2), cylindrical roller planet wheel bearing (3), gear ring (7), planet carrier (9); Planet wheel shaft (2) is realized radial support by the planet wheel axis hole on the planet carrier (9), planet wheel (1) is supported on the upper realization of planet wheel shaft (2) radial location by two cylindrical roller planet wheel bearings (3), and gear ring (7) is realized engagement with planet wheel (1) simultaneously; It is characterized in that, also comprise planet wheel block plate (4), limited location snap ring (5), limited location snap ring (5) is arranged in planet wheel (1) left side and snaps in the groove in the left side of gear ring (7), planet wheel block plate (4) be in its left side limited location snap ring (5) with and the step of the gear ring (7) on right side between, making limited location snap ring (5) and planet wheel block plate (4) jointly limit gear ring (7) moves right vertically, the right side part that gear ring (7) is positioned at planet wheel (1) has a boss to downward-extension, and this boss restriction gear ring (7) is moved to the left vertically self; The gap is retained in planet wheel (1) gear teeth right side and gear ring (7) right side between the boss of downward-extension, retain the gap between planet wheel (1) gear teeth left side and planet wheel block plate (4).
2. a kind of unsteady gear ring axial positioning mechanism for the high speed planet row according to claim 1, it is characterized in that, also comprise, break powder-antithesis friction pair (6), clutch powder-antithesis friction pair (8), anti-wear gasket (10) and planet wheel limited location snap ring (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104025615A CN102913610A (en) | 2012-10-16 | 2012-10-16 | Floating gear ring axial positioning mechanism used for high-speed planet row |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012104025615A CN102913610A (en) | 2012-10-16 | 2012-10-16 | Floating gear ring axial positioning mechanism used for high-speed planet row |
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| CN102913610A true CN102913610A (en) | 2013-02-06 |
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| CN2012104025615A Pending CN102913610A (en) | 2012-10-16 | 2012-10-16 | Floating gear ring axial positioning mechanism used for high-speed planet row |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697149A (en) * | 2013-09-02 | 2014-04-02 | 杭州前进齿轮箱集团股份有限公司 | Planet gear elastic supporting structure |
| CN104565303A (en) * | 2014-12-19 | 2015-04-29 | 杭州前进齿轮箱集团股份有限公司 | Support device for vertically installing planetary gear transmission floating mechanism of gearbox |
| CN104712743A (en) * | 2015-03-28 | 2015-06-17 | 哈尔滨广瀚动力传动有限公司 | Floating structure of combined herringbone gear inner gear rings |
| CN106594256A (en) * | 2016-12-22 | 2017-04-26 | 杭州前进齿轮箱集团股份有限公司 | Planetary transmission structure with brake |
| CN107289118A (en) * | 2017-06-20 | 2017-10-24 | 中国北方车辆研究所 | Planet row gear ring lubrication system and lubricating method for hub in brake |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US4744268A (en) * | 1986-10-30 | 1988-05-17 | Eugene Kurywczak | Epicycle power amplifier |
| US7261667B2 (en) * | 2005-10-25 | 2007-08-28 | Ford Global Technologies, Llc | System and method for reducing backlash in a planetary gear set |
| CN201521627U (en) * | 2009-09-28 | 2010-07-07 | 南车戚墅堰机车车辆工艺研究所有限公司 | Axial positioning device of planet gear |
| CN201902514U (en) * | 2010-11-08 | 2011-07-20 | 大连新氏传动科技有限公司 | Walking speed reducer embedded with internally-geared ring |
| CN102221076A (en) * | 2011-05-12 | 2011-10-19 | 贵州凯星液力传动机械有限公司 | Multi-gear planet type hydraulic transmission driving mechanism |
| CN102235471A (en) * | 2011-02-21 | 2011-11-09 | 李培基 | Planet differential motion infinitely variable speed gear box |
| CN202140547U (en) * | 2011-07-06 | 2012-02-08 | 重庆齿轮箱有限责任公司 | Gear case planet wheel supporting structure |
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2012
- 2012-10-16 CN CN2012104025615A patent/CN102913610A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4744268A (en) * | 1986-10-30 | 1988-05-17 | Eugene Kurywczak | Epicycle power amplifier |
| US7261667B2 (en) * | 2005-10-25 | 2007-08-28 | Ford Global Technologies, Llc | System and method for reducing backlash in a planetary gear set |
| CN201521627U (en) * | 2009-09-28 | 2010-07-07 | 南车戚墅堰机车车辆工艺研究所有限公司 | Axial positioning device of planet gear |
| CN201902514U (en) * | 2010-11-08 | 2011-07-20 | 大连新氏传动科技有限公司 | Walking speed reducer embedded with internally-geared ring |
| CN102235471A (en) * | 2011-02-21 | 2011-11-09 | 李培基 | Planet differential motion infinitely variable speed gear box |
| CN102221076A (en) * | 2011-05-12 | 2011-10-19 | 贵州凯星液力传动机械有限公司 | Multi-gear planet type hydraulic transmission driving mechanism |
| CN202140547U (en) * | 2011-07-06 | 2012-02-08 | 重庆齿轮箱有限责任公司 | Gear case planet wheel supporting structure |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103697149A (en) * | 2013-09-02 | 2014-04-02 | 杭州前进齿轮箱集团股份有限公司 | Planet gear elastic supporting structure |
| CN104565303A (en) * | 2014-12-19 | 2015-04-29 | 杭州前进齿轮箱集团股份有限公司 | Support device for vertically installing planetary gear transmission floating mechanism of gearbox |
| CN104565303B (en) * | 2014-12-19 | 2017-12-05 | 杭州前进齿轮箱集团股份有限公司 | A kind of support meanss of the planetary gear transmission floating mechanism of right angle setting gear-box |
| CN104712743A (en) * | 2015-03-28 | 2015-06-17 | 哈尔滨广瀚动力传动有限公司 | Floating structure of combined herringbone gear inner gear rings |
| CN106594256A (en) * | 2016-12-22 | 2017-04-26 | 杭州前进齿轮箱集团股份有限公司 | Planetary transmission structure with brake |
| CN107289118A (en) * | 2017-06-20 | 2017-10-24 | 中国北方车辆研究所 | Planet row gear ring lubrication system and lubricating method for hub in brake |
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Application publication date: 20130206 |