CN201651187U - Gyro-precession type speed reducer - Google Patents
Gyro-precession type speed reducer Download PDFInfo
- Publication number
- CN201651187U CN201651187U CN 201020118933 CN201020118933U CN201651187U CN 201651187 U CN201651187 U CN 201651187U CN 201020118933 CN201020118933 CN 201020118933 CN 201020118933 U CN201020118933 U CN 201020118933U CN 201651187 U CN201651187 U CN 201651187U
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- CN
- China
- Prior art keywords
- gear ring
- roller
- bevel gear
- awl
- axis
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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.)
- Expired - Fee Related
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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
- 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
- F16H1/321—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 the orbital gear being nutating
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The utility model discloses a gyro-precession type speed reducer, which comprises a casing, an input shaft and an output shaft. The casing is provided with a fixed bevel gear ring meshed with a first roller bevel gear ring on one side of a planet wheel body, the head end of the output shaft is provided with a movable bevel gear ring meshed with a second roller bevel gear ring on the other side of the planet wheel body, each roller bevel gear ring comprises a skirt-shaped roller carrier and a cone roller, wherein the skirt-shaped cone roller carrier is fixedly connected with the planet wheel body, a large end of the skirt-shaped cone roller carrier is outward, the cone roller is rotationally assembled at the large end of each skirt-shaped cone roller carrier, and rotation axes of the cone rollers are distributed along a conical surface. Axes of the cone rollers of the two roller bevel gear rings distributed on the bevel surface are coincident to an axis of an inclined shaft section of the input shaft, tooth forms of the fixed bevel gear ring and the movable bevel gear ring are conical cycloid tooth forms, and the fixed bevel gear ring and the movable bevel gear ring are in mesh and transmission match with the first roller bevel gear ring and the second roller bevel gear ring in a cycloid gear transmission mode. The two roller bevel gear rings of the gyro-precession type speed reducer are wound on the outer periphery of the fixed bevel gear ring and the movable bevel gear ring radially and axially, simultaneous meshed tooth amounts of the two roller bevel gear ring, the fixed bevel gear ring and the movable bevel gear ring are more during transmission, and then the speed reducer is stable in operation and can realize larger transmission ratio.
Description
Technical field
The utility model relates to a kind of gyro-precession type reducer, belongs to the machinery that slows down.
Background technique
The main developing direction of machinery of slowing down at present is big speed ratio, big bearing capacity, small volume, because that the gear of traditional multistage involute gear speed reducer participates in the number of teeth that meshes simultaneously is few, causes that its volume is big, bearing capacity is lower; So the more cycloidal gear engagement driving technology of total number of teeth in engagement applies to the mechanical field that slows down gradually simultaneously, for example commercially available cycloidal planetary gear speed reducer, it is stressed very big that but cycloidal planetary gear speed reducer has a rotary arm bearing, and the output pin axis mechanism is easy to wear, the shortcoming that working life is relatively low.China Patent No.: ZL982379749 and for example, title: disclosed a kind of gyro-precession type speed reducer in the model utility specification of gyro-precession type speed reducer, this this patent documentation has proposed the design concept that rolling friction between the bevel gear of tapered roller gear ring on a kind of planetary pinion and two ends correspondence meshes transferring power, but do not constitute the complete skill scheme that in industry, to make as yet, therefore be necessary to propose a kind of gyro-precession type reducer that meets the industrialization demand, has the market competitiveness.
The model utility content
The purpose of this utility model is to provide a kind of can realize high loading big speed ratio, the novel gyro-precession type reducer that operates steadily.
The technical solution of the utility model is: a kind of gyro-precession type reducer, comprise casing, input shaft, output shaft, input shaft is to support shaft parts and inclination shaft part one between the two constitutes by two of head and the tail two ends, the support shaft part of head end rotates and is assemblied on the casing, the support shaft part of tail end rotates the head end that is assemblied in output shaft, is rotatably equipped with the planet wheel body on the described inclination shaft part; Casing is provided with first roller awl gear ring engagement of fixed cone gear ring and planet wheel body one side, but the head end of output shaft is provided with second roller awl gear ring engagement of mantle gear ring and planet wheel body opposite side, described each roller awl gear ring include the big end that is connected with the planet wheel body outwardly skirt shape awl roller frame and the big end of each skirt shape awl roller frame on rotate the awl roller that the rotation axis of assembling distributes along conical surface, the axis of the awl roller distribution place conical surface of two rollers awl gear ring all with the dead in line of the inclination shaft part of input shaft; But the profile of tooth of described fixed cone gear ring and mantle gear ring is conical pendulm line profile of tooth and all cooperates with first, second roller awl gear ring engagement driving with the cycloidal gear kind of drive.
The axis of described two support shaft parts and the axis of output shaft are for being coaxially set, and the axis of described inclination shaft part and the two axis elongation lines that support shaft parts are in same plane and intersect; The vertex of a cone of the awl roll axis place conical surface of described two rollers awl gear ring intersects at the intersection point of the support shaft part axis of the axis of inclination shaft part of described input shaft and input shaft.
The described vertex of a cone of respectively boring the small end of roller towards its distribution place conical surface.
The airtight casing that the output shaft housing that described casing is the input shaft end cap that is rotatably assorted by the support shaft part with the input shaft head end, middle part casing, be rotatably assorted with the output shaft middle part, the output shaft housing end plug that is rotatably assorted with the output shaft tail end join end to end successively and form.
Described sealed enclosure is provided with lubricating cup, breather plug, oil drain plug.
Adopt the two rollers awl gear ring of the dead in line of rotation axis and input shaft inclination shaft part on the planet wheel body of the utility model retarder, guarantee that the axis of two rollers awls gear ring can constantly become the spinning motion of axis with the axis of the inclination shaft part of input shaft, the realization gyro-precession type slows down, but two rollers awl gear ring is from the radial and axial periphery that surrounds fixing mantle gear ring, total number of teeth in engagement is more simultaneously during transmission, make operating steadily of retarder, can realize than big speed ratio.
Further, the awl roller place conical surface vertex of a cone of two rollers awls gear ring intersect at a point (O point), and with this point symmetry distribution, and the intersection point (O point) of the axis of the elongation line of the axis of the support shaft part at the head and the tail two ends that this point also is an input shaft and the shaft part that tilts between the two, guarantee coaxial input, the output of power on the one hand, and make input, output shaft and casing make and have unified benchmark during assembling, thereby convenient processing and assembling are enhanced productivity and are reduced error; Make benchmark and other parts of the processing of planet wheel body and assembling unified on the other hand, convenient processing and assembling, and be symmetrically distributed the load of two rollers awl gear ring can be cancelled out each other, make the action of circling round of mechanism more steady, be applicable to the wind-powered electricity generation mechanical transmission.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
As shown in Figure 1, a kind of specific embodiment of gyro-precession type reducer of the present utility model comprises the airtight casing that is interconnected to form by input shaft end cap 1, middle part casing 2, output shaft housing 15, output shaft housing end plug 12.Can be full of lubricant oil in the airtight casing part that is installed in the housing is lubricated, seal casinghousing is provided with the part of control lubricant oil oil masses such as lubricating cup 9, breather plug 22, oil drain plug 17.
Output shaft 7 middle parts are rotated by a pair of tapered roller bearing of arranging vertically 8,11 and are assemblied in the output shaft housing 15, be supported with the bearing spacer 10 that is fixedly set on the output shaft 7 between the inner ring of two tapered roller bearings 8,11, be equipped with seal ring 16 between the inwall of bearing spacer 10 outer circumferential faces and output shaft housing 15, adopt paired tapered roller bearing 8,11 can bear radial load and two-way thrust load, to improve bearing life.The tail end of output shaft 7 passes output shaft housing end plug 12 and is connected with output gear 14, the corresponding center hole that is fixed with lining and output shaft housing end plug 12 on the output shaft 7 is inserted and is worn cooperation, and is equipped with seal ring 13 between the center bore inner wall of described lining 7 and corresponding output shaft housing end plug 12.
Input shaft two supports shaft part and output shaft has common axis, guarantees coaxial input, the output of power, and makes input, output shaft and casing have unified benchmark when making and assemble, thus convenient processing and assembling.In addition because the elongation line of the axis of the support shaft part at the axis of the inclination shaft part of input shaft and two ends is also crossing on same plane, its position of intersecting point should be in the middle part of input shaft, thereby be convenient to when machining, find accurately the formulation of locating basis and operation, enhance productivity and reduce error; And because input shaft is special-shaped shaft part, too high machining accuracy certainly will improve its cost, and utilize the variable characteristic of selfaligning bearing inner ring axis to reduce the desired processing of input shaft two end supports shaft part, assembly precision, even the coaxality of the support shaft part of input shaft have slightly error also can the self-regulating axis to satisfy the transmission requirement, thereby reduce the difficulty of coaxial processing, assembling, reduce and make cost of production; And adopt selfaligning bearing bear the inclination shaft part when rotated circular runout load and improve working life.
Be rotatably equipped with planet wheel body 3 by two tapered roller bearings 4 that are provided with relatively at interval on the inclination shaft part 232 of input shaft 23, described planet wheel body 3 inside have the axial center hole of the dead in line of inclination shaft part that cooperate with tapered roller bearing 4 outer rings, axis and input shaft 23, and it is first, second roller awl gear ring 31,32 of tooth that the both sides relative spacing on planet wheel body 3 outer circumferential faces on axially is provided with the awl roller that rotates.Each roller awl gear ring includes the big end skirt shape awl roller frame 33 outwardly that is wholely set with the planet wheel body, 34, be equipped with awl roller 5 by the bearing pin 6 that distributes along conical surface on the big end of each skirt shape awl roller frame, each bearing pin 6 and on the axes intersect of awl roller 5 in the vertex of a cone of the conical surface at its distribution place, first, second roller awl gear ring 31, the axis of 32 awl roller 5 place conical surfaces all with the dead in line of the inclination shaft part of input shaft 23, and two first, second roller awl gear ring 31, the intersection point O that the vertex of a cone of 32 awl roller 5 place conical surfaces intersects at the support shaft part axis of the axis of inclination shaft part of described input shaft 23 and input shaft 23 respectively bores the vertex of a cone of the small end of roller 5 towards its distribution place conical surface in addition.
First roller awl gear ring 31 cooperates with cycloidal gear kind of drive engagement driving with fixed cone gear ring 20 on being fixedly set in input shaft end cap 1 inwall, and first roller is bored the number of teeth of the awl roller number of gear ring 31 greater than fixed cone gear ring 20; But second roller awl gear ring 32 cooperates with cycloidal gear kind of drive engagement driving with mantle gear ring 19 on being fixedly set in output shaft 7 inner ends, but second roller is bored the number of teeth of the awl roller number of gear ring 32 greater than mantle gear ring 19.But the profile of tooth of fixed cone gear ring 20 and mantle gear ring 19 is a conical pendulm line profile of tooth.
The rotation axis of planet wheel body 3 and last two rollers awl gear ring 31,32 thereof and the dead in line of input shaft 23 inclination shaft parts, guarantee that the axis of two rollers awls gear ring 31,32 can constantly become the spinning motion of axis with the axis of the inclination shaft part of input shaft 23, realizes the gyro-precession type deceleration.And the awl roller place conical surface vertex of a cone of two roller awl gear rings 31,32 intersects at O point and with this point symmetry distribution, make benchmark and other parts of its processing and assembling unified, convenient processing and assembling, and the load of two rollers awl gear ring can be cancelled out each other, make the action of circling round of mechanism more steady.
The awl roller place conical surface of two rollers in the foregoing description awl gear ring is symmetrical arranged with the vertex of a cone that intersects at a point, and the described two conical surfaces setting that also can interlock or be spaced apart certainly makes both have spacing by the vertex of a cone.
Gyro-precession type reducer of the present utility model is when work, power is by support end 231 inputs of input shaft 23 head ends, make the inclination shaft part 232 of input shaft 23 drive the circumnutation that planet wheel body 3 is done the axis variation by tapered roller bearing, planet wheel body 3 one ends with the awl roller of first roller awl gear ring 31 fricton-tightly roll along fixed cone gear ring 20 flank of tooth, realize first order deceleration with the cycloidal gear kind of drive, but simultaneously the planet wheel body the other end with the awl roller of second roller awl gear ring 32 fricton-tightly roll along the flank of tooth of mantle gear ring 19, but do the deceleration circumnutation with cycloidal gear kind of drive drive mantle gear ring 19 and output shaft 7, realize second level deceleration.
Claims (5)
1. gyro-precession type reducer, comprise casing, input shaft, output shaft, input shaft is to support shaft parts and inclination shaft part one between the two constitutes by two of head and the tail two ends, the support shaft part of head end rotates and is assemblied on the casing, the support shaft part of tail end rotates the head end that is assemblied in output shaft, is rotatably equipped with the planet wheel body on the described inclination shaft part; Casing is provided with first roller awl gear ring engagement of fixed cone gear ring and planet wheel body one side, but the head end of output shaft is provided with second roller awl gear ring engagement of mantle gear ring and planet wheel body opposite side, it is characterized in that: described each roller awl gear ring include the big end that is connected with the planet wheel body outwardly skirt shape awl roller frame and the big end of each skirt shape awl roller frame on rotate the awl roller that the rotation axis of assembling distributes along conical surface, the axis of the awl roller distribution place conical surface of two rollers awl gear ring all with the dead in line of the inclination shaft part of input shaft; But the profile of tooth of described fixed cone gear ring and mantle gear ring is conical pendulm line profile of tooth and all cooperates with first, second roller awl gear ring engagement driving with the cycloidal gear kind of drive.
2. gyro-precession type reducer according to claim 1 is characterized in that: the axis of described two support shaft parts and the axis of output shaft are for being coaxially set, and the axis of described inclination shaft part and the two axis elongation lines that support shaft parts are in same plane and intersect; The vertex of a cone of the awl roll axis place conical surface of described two rollers awl gear ring intersects at the intersection point of the support shaft part axis of the axis of inclination shaft part of described input shaft and input shaft.
3. gyro-precession type reducer according to claim 1 is characterized in that: the described vertex of a cone of respectively boring the small end of roller towards its distribution place conical surface.
4. according to claim 1 or 2 or 3 described gyro-precession type reducers, it is characterized in that: the airtight casing that the output shaft housing that described casing is the input shaft end cap that is rotatably assorted by the support shaft part with the input shaft head end, middle part casing, be rotatably assorted with the output shaft middle part, the output shaft housing end plug that is rotatably assorted with the output shaft tail end join end to end successively and form.
5. gyro-precession type reducer according to claim 4 is characterized in that: described sealed enclosure is provided with lubricating cup, breather plug, oil drain plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020118933 CN201651187U (en) | 2010-02-24 | 2010-02-26 | Gyro-precession type speed reducer |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020117856 | 2010-02-24 | ||
| CN201020117856.4 | 2010-02-24 | ||
| CN 201020118933 CN201651187U (en) | 2010-02-24 | 2010-02-26 | Gyro-precession type speed reducer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201651187U true CN201651187U (en) | 2010-11-24 |
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ID=43116423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020118933 Expired - Fee Related CN201651187U (en) | 2010-02-24 | 2010-02-26 | Gyro-precession type speed reducer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201651187U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103547830A (en) * | 2012-05-23 | 2014-01-29 | 谐波传动系统有限公司 | Wave generators for wave gear apparatus |
| WO2017202354A1 (en) * | 2016-05-27 | 2017-11-30 | 刘刚 | Multiple-gear torquer |
-
2010
- 2010-02-26 CN CN 201020118933 patent/CN201651187U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103547830A (en) * | 2012-05-23 | 2014-01-29 | 谐波传动系统有限公司 | Wave generators for wave gear apparatus |
| WO2017202354A1 (en) * | 2016-05-27 | 2017-11-30 | 刘刚 | Multiple-gear torquer |
| CN109196247A (en) * | 2016-05-27 | 2019-01-11 | 刘刚 | More wheel torquers |
| US10914361B2 (en) | 2016-05-27 | 2021-02-09 | Gang Liu | Multi-gear torquer |
| CN109196247B (en) * | 2016-05-27 | 2021-09-21 | 刘刚 | Multi-wheel torquer |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: JIAOZUO RESER DISC BRAKE CO., LTD. Free format text: FORMER OWNER: BRAKE DRIVING EQUIPMENT (JIAOZUO) CO., LTD. Effective date: 20121031 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 454450 JIAOZUO, HENAN PROVINCE TO: 454000 JIAOZUO, HENAN PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20121031 Address after: 454000 No. 14, Taihang Road, Henan, Jiaozuo Patentee after: Jiaozuo Rethel Disc Brakes Co., Ltd. Address before: 454450 Industrial Zone, fraternity County, Henan, Jiaozuo Patentee before: Brake Driving Equipment (Jiaozuo) Co., Ltd. |
|
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 454000, No. 1688, development avenue, Pok Oi County, Jiaozuo, Henan Patentee after: Jiaozuo Rethel Disc Brakes Co., Ltd. Address before: 454000 No. 14, Taihang Road, Henan, Jiaozuo Patentee before: Jiaozuo Rethel Disc Brakes Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101124 Termination date: 20160226 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |