CN102506127A - Speed reducer of engine - Google Patents
Speed reducer of engine Download PDFInfo
- Publication number
- CN102506127A CN102506127A CN2011103160297A CN201110316029A CN102506127A CN 102506127 A CN102506127 A CN 102506127A CN 2011103160297 A CN2011103160297 A CN 2011103160297A CN 201110316029 A CN201110316029 A CN 201110316029A CN 102506127 A CN102506127 A CN 102506127A
- Authority
- CN
- China
- Prior art keywords
- gear
- retarder
- driving
- fixed
- tooth
- 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.)
- Granted
Links
Images
Landscapes
- Retarders (AREA)
Abstract
The invention provides a speed reducer of an engine. The speed reducer comprises a driving gear (4), a wandering star gear (5), a planet carrier (6) and a fixed gear (11), wherein the driving gear (4) is fixedly connected with a crankshaft (10) of an engine (9), the fixed gear (11) is sleeved in the driving gear (4) with a gap reserved therebetween, the fixed gear (11) is connected with a cartridge receiver of a speed reducer (2), the wandering star gear (5) is arranged between the driving gear (4) and the fixed gear (11) and is meshed with both the driving gear (4) and the fixed gear (11) and the planet carrier (6) is fixed on the wandering star gear (5) and is connected with an output shaft (8) of the speed reducer (2). According to the invention, the wandering star gear of the speed reducer of the engine only moves between the driving gear and the fixed gear and the rotating force of the crankshaft is transferred to the output shaft by virtue of the planet carrier so that load on the teeth of the wandering star gear is reduced greatly and the reliability and durability of the speed reducer are improved.
Description
Technical field
The present invention relates to the retarder field, especially, relate to a kind of retarder of motor.
Background technique
Retarder is the independently enclosed transmission device between prime mover and the working machine, is used for reducing rotating speed and increases torque, to satisfy need of work.At present, in reciprocating engine, the kind that retarder adopts mainly contains gear reducer, worm reducer and planetary reducer.Wherein, gear reducer and worm reducer exist that volume and weight is big, power transmits that scope is little, efficient is low and the defective of aspect such as axial dimension is big.There is the problem of structure more complicated in planetary reducer, and because the planet carrier size of planetary reducer is bigger, is prone to cause the centrifugal load of planet wheel bearing bigger, problems such as damage planet wheel bearing.
Summary of the invention
The object of the invention is to provide a kind of retarder of motor, to solve the existing retarder power transmission technical problem that scope is little, efficient is low and axial dimension is big.
For realizing above-mentioned purpose, the invention provides a kind of engine retarder, comprising: driving gear, pinion gear, planet carrier and fixed gear, driving gear is connected with the bent axle of motor; Fixed gear is sleeved in the driving gear, is provided with spacing between the outer wheel face of fixed gear and the interior wheel face of driving gear, and fixed gear is connected with the casing of retarder; Pinion gear is arranged between driving gear and the fixed gear, and pinion gear meshes with driving gear and fixed gear simultaneously; Planet carrier is fixed on the pinion gear, and planet carrier is connected with the output shaft of retarder.
Further, the shaft axis of the shaft axis of bent axle and output shaft overlaps.
Further, the foreign steamer wall of pinion gear is provided with the wandering star external tooth, and the foreign steamer wall of fixed gear is provided with fixedly external tooth, and the interior wheel wall of driving gear is provided with first initiatively internal tooth, wandering star external tooth while and the fixedly external tooth and the first active internal tooth engagement.
Further, planet carrier is connected with pinion gear through the pinion gear pin, and planet carrier is connected with output shaft through spline.
Further, retarder also comprises the fixing tooth wheel hub, and first end of fixing tooth wheel hub is provided with the gear hub internal tooth, gear hub internal tooth and fixedly external tooth engagement, and fixed gear is fixed on the casing of retarder through second end of fixing tooth wheel hub.
Further, retarder also comprises the driving tooth wheel hub, and driving gear is fixed on the driving tooth wheel hub, also is provided with the gear hub external tooth that is enclosed within the driving gear on the driving tooth wheel hub; Also be provided with the second active internal tooth on the driving gear, second initiatively internal tooth and the engagement of gear hub external tooth; The driving tooth wheel hub is connected with bent axle.
Further, the joint of driving tooth wheel hub and bent axle is provided with an installation cavity, is provided with a bearing in the installation cavity; The center of fixed gear is provided with installation through holes, and the outer end of installation through holes is provided with a bearing; First end of output shaft is installed on the bearing in the installation cavity, and second end of output shaft passes installation through holes, and is connected with the bearing of installation through holes outer end.
The present invention has following beneficial effect:
1, engine retarder of the present invention is owing to be arranged on bent axle and output shaft on the same axis, and promptly both concentrics make and the simple in structure, easy for installation of this retarder reduced the moment loss widely.
2, the pinion gear of retarder of the present invention only moves between active internal gear and fixed gear; And the moment of rotation of bent axle is passed to output shaft through planet carrier; Make that suffered load alleviates greatly on the gear teeth of pinion gear, improved the reliability and the durability of retarder.
Except top described purpose, feature and advantage, the present invention also has other purpose, feature and advantage.To do further detailed explanation to the present invention with reference to figure below.
Description of drawings
The accompanying drawing that constitutes the application's a part is used to provide further understanding of the present invention, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of the engine retarder of the preferred embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing embodiments of the invention are elaborated, but the multitude of different ways that the present invention can be defined by the claims and cover is implemented.
Referring to Fig. 1, a kind of retarder 2 of motor comprises: driving gear 4, driving tooth wheel hub 7, pinion gear 5, planet carrier 6, output shaft 8, fixed gear 11 and fixing tooth wheel hub 13.The power of motor 9 is delivered on the retarder 2 through bent axle 10, behind retarder 2, gives propeller cavitation 1 through the output shaft 8 of retarder 2 with transmission of power.The bent axle 10 of motor 9 is arranged on the same axis with the output shaft 8 of retarder 2, promptly is: the dead in line of the shaft axis of bent axle 10 and output shaft 8, and simplify the structure of this retarder 2 with this, and make this retarder 2 easy for installation, reduced the moment loss widely.
First end of driving tooth wheel hub 7 is connected with bent axle 10, and rotates with bent axle 10.Driving gear 4 is installed at the second end place of driving tooth wheel hub 7.Driving gear 4 comprises initiatively internal tooth 42 of the first active internal tooth 41 and second, and this first active internal tooth 41 and second initiatively internal tooth 42 all is arranged on the interior wheel face of driving gear 4.Preferably, driving gear 4 is a cylindrical tube, and the first active internal tooth 41 and second of driving gear 4 initiatively internal tooth 42 is arranged on the inwall of cylindrical tube.The first end place of driving tooth wheel hub 7 is provided with gear hub external tooth 71, and gear hub external tooth 71 is enclosed within the driving gear 4, and second initiatively internal tooth 42 engagements of this gear hub external tooth 71 and driving gear 4.The joint with bent axle 10 at second end of driving tooth wheel hub 7 is provided with an installation cavity 72, and this installation cavity 72 is provided with a bearing, is used to install output shaft 8.In other embodiments, can need not to be provided with gear hub external tooth 71 on the driving tooth wheel hub 7, also need not to be provided with the second active internal tooth 42 on the driving gear 4, driving tooth wheel hub 7 directly is connected with driving gear 4.
Fixed gear 11 comprises fixedly external tooth 111, this fixedly external tooth 111 be arranged on the foreign steamer wall of fixed gear 11.Fixed gear 11 is a cylindrical body, and fixed gear 11 is sleeved in the driving gear 4, is provided with spacing between the outer wheel face of fixed gear 11 and the interior wheel face of driving gear 4.Fixed gear 11 is connected with the casing 12 of retarder 2 through fixing tooth wheel hub 13, and the interior wheel wall of first end of fixing tooth wheel hub 13 is provided with fixing tooth wheel hub internal tooth 131, and this fixing tooth wheel hub internal tooth 131 meshes with the fixedly external tooth 111 of fixed gear 11.Second end of fixing tooth wheel hub 13 is fixed on the casing 12 of retarder 2.As other embodiment, also can be provided with spline at first end of fixing tooth wheel hub 13, fixing tooth wheel hub 13 is fixedly connected with fixed gear 11 through spline.Second end of fixing tooth wheel hub 13 is fixed on the casing 12 of retarder 2.The center of fixed gear 11 is provided with installation through holes 112, is used for output shaft 8 and passes this fixed gear 11.Preferably, be provided with a bearing, be used to install output shaft 8 in the outer end of installation through holes 112.
First end of output shaft 8 is installed on the bearing in the installation cavity 72, and second end of output shaft 8 passes installation through holes 112 backs and is connected with the bearing of installation through holes 112 outer ends.
The working procedure of engine retarder of the present invention is:
Engine output speed of the crankshaft 10 through 9, drive pinion gear Valley 7 rotating; initiative driven pinion gear Valley 7 4 Turn; drive gear 4 gear driven through planetary gear 5 rotates.Pinion gear 5 is meshing with each other with fixed gear 11, and rotates around fixed gear 11.Like this, pinion gear 5 rotates and rotates through pinion gear pin 3 drive planet carriers 6 around fixed gear 11; Planet carrier 6 drives output shaft 8 and rotates, and propeller cavitation 1 together rotates with output shaft 8 simultaneously, and direction is consistent with bent axle 10 sense of rotation.
Wherein the reduction speed ratio of retarder 2 is:
Therefore, can confirm the reduction speed ratio of different demands through the number of teeth that different driving gears and fixed gear are set.
Engine retarder of the present invention 2 is different through the number of teeth on driving gear 4 and the pinion gear 5, reaches to subtract the effect of stating.And only motion between driving gear 4 and fixed gear 11 of pinion gear 5; And the moment of rotation of bent axle 10 is passed to output shaft 8 through planet carrier 6; Make that suffered load alleviates greatly on the gear teeth of pinion gear 5, improved the reliability and the durability of retarder.
The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (7)
1. the retarder of a motor is characterized in that, comprising: driving gear (4), pinion gear (5), planet carrier (6) and fixed gear (11),
Said driving gear (4) is connected with the bent axle (10) of said motor (9);
Said fixed gear (11) is sleeved in the said driving gear (4), is provided with spacing between the interior wheel face of the outer wheel face of said fixed gear (11) and said driving gear (4), and said fixed gear (11) is connected with the casing of said retarder (2);
Said pinion gear (5) is arranged between said driving gear (4) and the said fixed gear (11), and said pinion gear (5) meshes with said driving gear (4) and said fixed gear (11) simultaneously;
Said planet carrier (6) is fixed on the said pinion gear (5), and said planet carrier (6) is connected with the output shaft (8) of said retarder (2).
2. the retarder of motor according to claim 1 is characterized in that,
The shaft axis of the shaft axis of said bent axle (10) and said output shaft (8) overlaps.
3. the retarder of motor according to claim 2 is characterized in that,
The foreign steamer wall of said pinion gear (5) is provided with wandering star external tooth (51); The foreign steamer wall of said fixed gear (11) is provided with fixedly external tooth (111); The interior wheel wall of said driving gear (4) is provided with the first active internal tooth (41), initiatively internal tooth (41) engagement of said wandering star external tooth (51) while and said fixedly external tooth (111) and said first.
4. the retarder of motor according to claim 3 is characterized in that,
Said planet carrier (6) is connected with said pinion gear (5) through pinion gear pin (3), and said planet carrier (6) is connected with said output shaft (8) through spline.
5. the retarder of motor according to claim 4 is characterized in that,
Said retarder (2) also comprises fixing tooth wheel hub (13); First end of said fixing tooth wheel hub (13) is provided with gear hub internal tooth (131); Said gear hub internal tooth (131) and said fixedly external tooth (111) engagement, said fixed gear (11) is fixed on the casing (12) of said retarder (2) through second end of said fixing tooth wheel hub (13).
6. the retarder of motor according to claim 5 is characterized in that,
Said retarder (2) also comprises driving tooth wheel hub (7), and said driving gear (4) is fixed on the said driving tooth wheel hub (7), also is provided with the gear hub external tooth (71) that is enclosed within the said driving gear (4) on the said driving tooth wheel hub (7);
Also be provided with the second active internal tooth (42) on the said driving gear (4), said second initiatively internal tooth (42) and said gear hub external tooth (71) engagement;
Said driving tooth wheel hub (7) is connected with said bent axle (10).
7. the retarder of motor according to claim 6 is characterized in that,
Said driving tooth wheel hub (7) is provided with an installation cavity (72) with the joint of said bent axle (10), and said installation cavity is provided with a bearing in (72);
The center of said fixed gear (11) is provided with installation through holes (112), and the outer end of said installation through holes (112) is provided with a bearing;
First end of said output shaft (8) is installed on the bearing in the said installation cavity (72), and second end of said output shaft (8) passes said installation through holes (112), and is connected with the bearing of said installation through holes (112) outer end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110316029.7A CN102506127B (en) | 2011-10-18 | 2011-10-18 | The retarder of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110316029.7A CN102506127B (en) | 2011-10-18 | 2011-10-18 | The retarder of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102506127A true CN102506127A (en) | 2012-06-20 |
| CN102506127B CN102506127B (en) | 2016-01-06 |
Family
ID=46218247
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110316029.7A Active CN102506127B (en) | 2011-10-18 | 2011-10-18 | The retarder of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102506127B (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149277A (en) * | 1994-05-26 | 1997-05-07 | 联合工艺公司 | A stacked compound planetary gear train for an upgraded powertrain system for a helicopter |
| CN201531567U (en) * | 2009-09-16 | 2010-07-21 | 黄仁华 | Planetary gear reducer |
-
2011
- 2011-10-18 CN CN201110316029.7A patent/CN102506127B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1149277A (en) * | 1994-05-26 | 1997-05-07 | 联合工艺公司 | A stacked compound planetary gear train for an upgraded powertrain system for a helicopter |
| CN201531567U (en) * | 2009-09-16 | 2010-07-21 | 黄仁华 | Planetary gear reducer |
Non-Patent Citations (1)
| Title |
|---|
| 张国瑞等: "《行星传动技术》", 31 January 1989, 上海交通大学出版社 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102506127B (en) | 2016-01-06 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201134723Y (en) | External rotor toothless mesh planet speed reducing electric hub | |
| JP2011220524A (en) | Dual gear train driving structure at input side of basin-type gear | |
| CN203548785U (en) | Rotary driving device driven by double motors | |
| CN205605741U (en) | Decide planet posture heavy load planetary gear train's for speed reducer structure | |
| CN210273733U (en) | Novel speed reducing motor | |
| CN201350802Y (en) | Electric wheel hub | |
| CN102042373A (en) | Speed-changing system utilizing one-way drive characteristics of one-way bearings | |
| CN103982607A (en) | Hybrid powertrain | |
| US8550950B2 (en) | Planetary reduction gearbox | |
| CN202099004U (en) | Driving winding drum with planet mechanism | |
| CN106481736A (en) | Double motive power driving gear-boxes and freewheel clutch integrated | |
| CN207939391U (en) | A kind of coaxial cycloidal type permanent magnet gear transmission device | |
| CN201360201Y (en) | Generator with planetary gear | |
| CN106641109A (en) | Small planetary gear reducer with large transmission ratio | |
| CN217761947U (en) | Centrifugal limited slip differential | |
| CN109707838A (en) | A kind of few teeth difference unsymmetric gear planetary transmission system | |
| CN206280440U (en) | Double motive power driving gear-boxes and freewheel clutch are integrated | |
| CN208337332U (en) | A kind of Two axle drive harmonic wave reducing motor | |
| CN102506127A (en) | Speed reducer of engine | |
| CN205371486U (en) | Hybrid vehicle is with single planetary mechanism derailleur | |
| CN204253749U (en) | The speed reducer of a kind of involute gear and cycloidal gear combination transmission | |
| CN209398799U (en) | High-speed planetary gear train reducer structure with large speed ratio | |
| JPS58203250A (en) | Rotation converting mechanism | |
| CN204186961U (en) | A kind of durable type main reducing gear of drive axle assembly | |
| CN110056617B (en) | Continuously variable transmission |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |