CN104747701A - Axial limiting device and method for planet carrier of rotary type planetary gearbox - Google Patents
Axial limiting device and method for planet carrier of rotary type planetary gearbox Download PDFInfo
- Publication number
- CN104747701A CN104747701A CN201510149324.6A CN201510149324A CN104747701A CN 104747701 A CN104747701 A CN 104747701A CN 201510149324 A CN201510149324 A CN 201510149324A CN 104747701 A CN104747701 A CN 104747701A
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- China
- Prior art keywords
- planet carrier
- tooth
- limited ring
- teeth
- limiting ring
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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.)
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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
- 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
- F16H2700/00—Transmission housings and mounting of transmission components therein; Cooling; Lubrication; Flexible suspensions, e.g. floating frames
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention provides an axial limiting device and method for a planet carrier of a rotary type planetary gearbox. A limiting ring is installed in a clamping groove machined in the left side of upper teeth of a machine body. Inner teeth of the limiting ring are meshed with outer teeth of the machine body. The machine body is meshed with the planet carrier. The tooth thickness and the tooth space center line of the limiting ring are both aligned with the tooth thickness and the tooth space center line of the machine body. The limiting ring and the planet carrier are combined and then connected through bolts. The planet carrier is clamped in the middle of the groove of the fixed machine body through the limiting ring with the inner teeth. The teeth of the limiting ring are arranged into the clamping groove along the tooth spaces of the machine body, the inner teeth of the limiting ring are circumferentially rotated by an angle relative to the outer teeth of the machine body, the teeth of the limiting ring are stopped by the outer teeth of the machine body, the limiting ring and the planet carrier of the low-speed level are connected through the bolts, and therefore the planet carrier of the low-speed level is axially limited. The axial limiting device has the advantages of being adjustable, good in floating stability and disassembly and assembly usability and the like. The axial limiting device is simple in structure, easy to machine, convenient to install, economical and convenient to use.
Description
Technical field
The present invention is mainly used in revolution class epicyclic gearbox slow speed turbine stage planet carrier axial limiting occasion, particularly one revolution class epicyclic gearbox planet carrier axially stop block and method.
Background technique
Employing basic building block is the revolution class epicyclic gearbox of floating load balancing mechanism, the axial clearance leaving 0.5 ~ 1.0mm is needed between the two ends of its each floating member and adjacent parts, otherwise, not only can affect and float and effect of load balancing mechanism, also can cause frictional heating and produce noise.
Axial limiting is carried out to slow speed turbine stage planet carrier, common way is: carry out axial limiting by the end face of sun gear to planet carrier, or planet carrier jump ring is fixed on sun gear or on body, the axis being realized planet carrier by the axial limiting of sun gear or body is spacing.But at some in particular cases, planet carrier is difficult to by sun gear end face spacing, or be difficult to spacing for planet carrier on sun gear or on body.
Summary of the invention
In order to overcome the defect of above-mentioned prior art, the object of the present invention is to provide a kind of revolution class epicyclic gearbox planet carrier axially stop block and method, this apparatus structure is simple, is easy to processing, easy for installation, economical convenient; This limit method has the features such as adjustable, floating stability good, dismounting process is good; In addition, compare other limit method, the structure of planet carrier is more simple, can reduce the manufacture cost of planet carrier.
In order to achieve the above object, technological scheme of the present invention is:
A kind of revolution class epicyclic gearbox planet carrier axially stop block, comprise limited ring 2, limited ring 2 is arranged in draw-in groove that body 1 is processed on the left of tooth, and the internal tooth 6 of limited ring 2 engages with the external tooth 5 of body 1, body 1 engages with planet carrier 4 and assembles, the transverse tooth thickness of limited ring 2 and tooth space centerline all align with the transverse tooth thickness of body 1 and tooth space centerline, and limited ring 2 is connected by bolt 3 after closing with planet carrier 4.
Described limited ring 2 and the planet carrier 4 internal tooth number of teeth are z, and the internal tooth 6 opposing rows carrier 4 internal tooth angle of swing 360 °/z place of limited ring 2 is processed with bolt connecting hole.
A kind of revolution class epicyclic gearbox planet carrier axial Limited Location Method, comprises the following steps:
One, planet carrier is in assembly process, and limited ring 2 is engaged with body 1 external tooth 5 by its internal tooth 6, and limited ring 2 is arranged in draw-in groove that body 1 is processed on the left of tooth;
Two, body 1 carries out engaging with planet carrier 4 and assembles, then, limited ring 2 circumferencial direction angle of swing 360 °/z, z is the internal tooth number of teeth of limited ring 2, bolt hole on limited ring 2 and planet carrier 4 is alignd, now the transverse tooth thickness center line of limited ring 2 and the transverse tooth thickness center line of body 1 align, and the tooth space centerline of limited ring 2 and the tooth space centerline of body 1 align, and limited ring 2 and planet carrier 4 use bolt 3 to carry out bolt connection;
Three, the internal tooth 6 of limited ring 2 is blocked by the external tooth 5 of body 1, cannot deviate from, thus achieve the axial limiting of limited ring 2 and planet carrier 4.
The present invention is that a tooth being processed with the limited ring of internal tooth is along the annular slot on the teeth groove loading body of fixing body, then the external tooth of the relative body of limited ring internal tooth rotates in a circumferential direction a small angle, the internal tooth of limited ring has just been blocked by the external tooth of body, limited ring and slow speed turbine stage planet carrier are bolted, thus achieve the axial limiting to slow speed turbine stage planet carrier.
The present invention has the features such as adjustable, floating stability good, dismounting process is good; This structure is simple, is easy to processing, easy for installation, economical convenient.In addition, compare other limit method, the structure of planet carrier is more simple, can reduce the manufacture cost of planet carrier 4.
Accompanying drawing explanation
Fig. 1 is assembling front view of the present invention.
Fig. 2 is body 1 partial schematic diagram when engaging with limited ring 2.
Fig. 3 is body 1 external tooth 5 partial schematic diagram when staggering with limited ring 2 internal tooth 6.
Embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
With reference to Fig. 1, a kind of revolution class epicyclic gearbox planet carrier axially stop block, comprise limited ring 2, limited ring 2 is arranged in draw-in groove that body 1 is processed on the left of tooth, with reference to Fig. 2, Fig. 3, and the internal tooth 6 of limited ring 2 engages with the external tooth 5 of body 1, body 1 engages with planet carrier 4 and assembles, and the transverse tooth thickness of limited ring 2 and tooth space centerline all align with the transverse tooth thickness of body 1 and tooth space centerline, and limited ring 2 is connected by bolt 3 after closing with planet carrier 4.
Described limited ring 2 and the planet carrier 4 internal tooth number of teeth are z, and the internal tooth 6 opposing rows carrier 4 internal tooth angle of swing 360 °/z place of limited ring 2 is processed with bolt connecting hole, insert fixing for bolt 3.
A kind of revolution class epicyclic gearbox planet carrier axial Limited Location Method, comprises the following steps:
One, planet carrier is in assembly process, and limited ring 2 is engaged with body 1 external tooth 5 by its internal tooth 6, and limited ring 2 is arranged in draw-in groove that body 1 is processed on the left of tooth;
Two, body 1 carries out engaging with planet carrier 4 and assembles, then, limited ring 2 circumferencial direction angle of swing 360 °/z, z is the internal tooth number of teeth of limited ring 2, bolt hole on limited ring 2 and planet carrier 4 is alignd, now the transverse tooth thickness center line of limited ring 2 and the transverse tooth thickness center line of body 1 align, and the tooth space centerline of limited ring 2 and the tooth space centerline of body 1 align, and limited ring 2 and planet carrier 4 use bolt 3 to carry out bolt connection;
Three, the internal tooth 6 of limited ring 2 is blocked by the external tooth 5 of body 1, cannot deviate from, thus achieve the axial limiting of limited ring 2 and planet carrier 4.
The planet carrier 4 of epicyclic gearbox slow speed turbine stage of the present invention is stuck in the middle of the trough on fixing body 1 by the limited ring 2 that is processed with internal tooth 6, the tooth of limited ring 2 loads draw-in groove along the teeth groove of body, then the external tooth 5 of the relative body 1 of limited ring 2 internal tooth 6 rotates in a circumferential direction an angle, the tooth of limited ring 2 has just been blocked by the external tooth 5 of body 1, the planet carrier 4 of limited ring 2 and slow speed turbine stage is bolted, thus achieves the axial limiting to slow speed turbine stage planet carrier.
Claims (3)
1. a revolution class epicyclic gearbox planet carrier axially stop block, comprise limited ring (2), it is characterized in that, limited ring (2) is arranged in the draw-in groove processed on the left of the upper tooth of body (1), and the internal tooth (6) of limited ring (2) engages with the external tooth (5) of body (1), body (1) engages with planet carrier (4) and assembles, the transverse tooth thickness of limited ring (2) and tooth space centerline all align with the transverse tooth thickness of body (1) and tooth space centerline, limited ring (2) is connected by bolt (3) after conjunction with planet carrier (4).
2. one revolution class epicyclic gearbox planet carrier axially stop block according to claim 1, it is characterized in that, described limited ring (2) and planet carrier (4) the internal tooth number of teeth are z, and internal tooth (6) opposing rows carrier (4) the internal tooth angle of swing 360 °/z place of limited ring (2) is processed with bolt connecting hole.
3. turn round a class epicyclic gearbox planet carrier axial Limited Location Method, comprise the following steps:
One, planet carrier is in assembly process, limited ring (2) is engaged with body (1) external tooth (5) by its internal tooth (6), and limited ring (2) is arranged in the draw-in groove processed on the left of the upper tooth of body (1);
Two, body (1) carries out engaging with planet carrier (4) and assembles, then, limited ring (2) circumferencial direction angle of swing 360 °/z, z is the internal tooth number of teeth of limited ring (2), bolt hole on limited ring (2) and planet carrier (4) is alignd, now the transverse tooth thickness center line of limited ring (2) and the transverse tooth thickness center line of body (1) align, the tooth space centerline of limited ring (2) and the tooth space centerline of body (1) align, and limited ring (2) and planet carrier (4) use bolt (3) to carry out bolt connection;
Three, the internal tooth (6) of limited ring (2) is blocked by the external tooth of body (1) (5), cannot deviate from, thus achieves the axial limiting of limited ring (2) and planet carrier (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149324.6A CN104747701A (en) | 2015-03-31 | 2015-03-31 | Axial limiting device and method for planet carrier of rotary type planetary gearbox |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510149324.6A CN104747701A (en) | 2015-03-31 | 2015-03-31 | Axial limiting device and method for planet carrier of rotary type planetary gearbox |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104747701A true CN104747701A (en) | 2015-07-01 |
Family
ID=53587811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510149324.6A Pending CN104747701A (en) | 2015-03-31 | 2015-03-31 | Axial limiting device and method for planet carrier of rotary type planetary gearbox |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104747701A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0454198A1 (en) * | 1990-04-23 | 1991-10-30 | General Motors Corporation | Planet carrier assembly |
| US5692989A (en) * | 1996-06-06 | 1997-12-02 | Kamlukin; Igor | Self aligning planetary gear transmission & speed reducer |
| CN201003570Y (en) * | 2007-02-07 | 2008-01-09 | 宋友和 | Balanced type roller bearing planet gear mechanism |
| EP1983223A2 (en) * | 2007-04-17 | 2008-10-22 | Jtekt Corporation | Limited slip differential and manufacturing method |
| 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 |
| CN201723679U (en) * | 2009-12-22 | 2011-01-26 | 中国重型机械研究院有限公司 | Radial positioning structure of output revolving gear |
| CN204647259U (en) * | 2015-03-31 | 2015-09-16 | 中国重型机械研究院股份公司 | A kind of revolution class epicyclic gearbox planet carrier axially stop block |
-
2015
- 2015-03-31 CN CN201510149324.6A patent/CN104747701A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0454198A1 (en) * | 1990-04-23 | 1991-10-30 | General Motors Corporation | Planet carrier assembly |
| US5692989A (en) * | 1996-06-06 | 1997-12-02 | Kamlukin; Igor | Self aligning planetary gear transmission & speed reducer |
| CN201003570Y (en) * | 2007-02-07 | 2008-01-09 | 宋友和 | Balanced type roller bearing planet gear mechanism |
| EP1983223A2 (en) * | 2007-04-17 | 2008-10-22 | Jtekt Corporation | Limited slip differential and manufacturing method |
| 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 |
| CN201723679U (en) * | 2009-12-22 | 2011-01-26 | 中国重型机械研究院有限公司 | Radial positioning structure of output revolving gear |
| CN204647259U (en) * | 2015-03-31 | 2015-09-16 | 中国重型机械研究院股份公司 | A kind of revolution class epicyclic gearbox planet carrier axially stop block |
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Application publication date: 20150701 |