CN112112948A - Method and device for improving bearing capacity of small-tooth-difference transmission output mechanism - Google Patents
Method and device for improving bearing capacity of small-tooth-difference transmission output mechanism Download PDFInfo
- Publication number
- CN112112948A CN112112948A CN202011122329.7A CN202011122329A CN112112948A CN 112112948 A CN112112948 A CN 112112948A CN 202011122329 A CN202011122329 A CN 202011122329A CN 112112948 A CN112112948 A CN 112112948A
- Authority
- CN
- China
- Prior art keywords
- pin shaft
- output flange
- shaft sleeve
- middle disc
- planetary gear
- 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.)
- Pending
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000005452 bending Methods 0.000 claims abstract description 16
- 230000003287 optical effect Effects 0.000 claims description 19
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 241001397809 Hakea leucoptera Species 0.000 description 3
- 108050006002 RNA polymerase sigma factor FliA Proteins 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 208000035874 Excoriation Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
Images
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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H57/023—Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
-
- 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
-
- 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
-
- 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
- F16H57/02—Gearboxes; Mounting gearing therein
- F16H2057/02086—Measures for reducing size of gearbox, e.g. for creating a more compact transmission casing
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Retarders (AREA)
Abstract
The invention discloses a method and a device for improving the bearing capacity of a small tooth difference transmission output mechanism. The invention improves the supporting structure of the left planetary gear and the right planetary gear, reduces the supporting span E and reduces the bending stress of the step pin shaft and the smooth pin shaft; the invention can effectively reduce the volume of the transmission device under the condition of the same bearing capacity, and can effectively improve the bearing capacity of the small tooth difference transmission output mechanism under the condition of the same volume.
Description
Technical Field
The invention relates to a method and a device for improving the bearing capacity of a small-tooth-difference transmission output mechanism, and belongs to the technical field of mechanical transmission.
Background
The simple beam type small-tooth-difference transmission output mechanism has the characteristics of compact structure, small volume, light weight, large transmission ratio range, high efficiency, large bearing capacity and the like. The pin bush arranged on the pin shaft of the existing simply supported beam type small tooth difference transmission output mechanism is a long pin bush which is simultaneously contacted with the pin holes on the two planetary gears, and the pin shaft and the pin bush bear additional constraint stress due to the influence of part manufacturing and assembling errors in the existing structure; when the device works, the acting force F of the two planetary gears on the pin sleeve is opposite in direction, so that the pin sleeve bears bending load; in addition, the rotating speeds of the contact points of the pin sleeve and the two planetary gears are different, so that sliding friction exists between the pin sleeve and pin hole contact surfaces of the planetary gears. The defects cause friction heating of the speed reducer and early abrasion of a contact surface, so that the transmission precision is reduced. Therefore, the prior art still has the defects and needs to be further improved.
Disclosure of Invention
The invention aims to provide a method and a device for improving the bearing capacity of a small tooth difference transmission output mechanism, which are used for shortening the fulcrum span E by adding an auxiliary support under the condition of keeping the bearing capacity not to be reduced, further reducing the diameter of a pin shaft and reducing the volume of the small tooth difference transmission output mechanism, thereby solving the defects in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
the method for improving the bearing capacity of the small tooth difference transmission output mechanism comprises the steps of shortening the fulcrum span by increasing auxiliary support according to the relation between the bending stress of the pin shaft and the diameter of the pin shaft and the fulcrum span, so as to achieve the purpose of improving the bearing capacity of the small tooth difference transmission output mechanism.
In the method, the auxiliary support adopts a middle disc, and the middle disc is positioned between the left output flange and the right output flange.
In the method, the left output flange, the middle disc and the right output flange are connected through a pin shaft; the pin shaft is provided with a fixed shaft sleeve and a movable shaft sleeve, the fixed shaft sleeve and the movable shaft sleeve are divided into a left section and a right section, and the left section of the shaft sleeve is only in sliding connection with a pin hole of a left planetary gear between the left output flange and the middle disc; the right section of shaft sleeve is only in sliding connection with a pin hole of a right planetary gear which is positioned between the middle disc and the right output flange; thereby eliminating the bending load of the shaft sleeve caused by the reverse acting force of the left and right groups of planet gears on the shaft sleeve.
The device for improving the bearing capacity of the small tooth difference transmission output mechanism comprises a left output flange and a right output flange; an intermediate disc is arranged between the left output flange and the right output flange; a left planetary gear is arranged between the left output flange and the middle disc; a right planetary gear is arranged between the middle disc and the right output flange; the left planetary gear and the right planetary gear are connected with the left output flange, the middle disc and the right output flange through pin shafts.
In the device, the intermediate disc is of a circular ring structure and is provided with a smooth pin shaft hole and a step pin shaft hole which are uniformly distributed along the circumference; the smooth pin shaft holes and the step pin shaft holes are uniformly arranged in a crossed mode at intervals.
In the device, a smooth pin shaft penetrating through the smooth pin shaft hole is arranged in the smooth pin shaft hole; a step pin shaft penetrating through the step pin shaft hole is arranged in the step pin shaft hole; and the two ends of the optical pin shaft and the two ends of the step pin shaft are respectively provided with an external thread which is fixedly connected with the left output flange or the right output flange, and a locking nut is screwed on the external thread.
In the device, the optical pin shaft is sleeved with a fixed shaft sleeve; a movable shaft sleeve is sleeved outside the fixed shaft sleeve; a movable shaft sleeve is sleeved on the step pin shaft; the fixed shaft sleeve and the movable shaft sleeve are divided into two sections; one section is positioned at the left side of the middle disc, and the other section is positioned at the right side of the middle disc; the left output flange, the right output flange and the intermediate plate are fixed into a rigid body by the fixed shaft sleeve and the optical pin shaft; the movable shaft sleeve is in clearance fit with the fixed shaft sleeve.
Due to the adoption of the technical scheme, compared with the prior art, the outer diameter of the fixed shaft sleeve is the same as that of the step pin shaft, the fixed shaft sleeve and the step pin shaft transmit output load together, and the number of the pin shafts for transmission with small tooth difference is not reduced; under the action of the relatively fixed middle disc, the step pin shaft and the optical pin shaft form an auxiliary fulcrum in the middle, so that the supporting structure of the left planetary gear and the right planetary gear is improved, the supporting span E is reduced, and the bending stress of the step pin shaft and the optical pin shaft is reduced; the movable shaft sleeve is contacted with the pin hole of the single planetary gear, so that bending and relative sliding caused by simultaneous contact of the two planetary gears are avoided, and the stress condition of the pin shaft during working is improved. The invention can effectively reduce the volume of the transmission device under the condition of the same bearing capacity, and can effectively improve the bearing capacity of the small tooth difference transmission output mechanism under the condition of the same volume.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is an isometric view of the appearance of FIG. 1;
FIG. 3 is a cross-sectional view A-A of FIG. 1;
FIG. 4 is a cross-sectional view B-B of FIG. 1;
FIG. 5 is a schematic view of the structure of the intermediate tray of the present invention;
FIG. 6 is a schematic view of the connection of the optical pin of the present invention;
FIG. 7 is a schematic view of the connection of the stepped pin of the present invention;
FIG. 8 is a schematic view of a conventional low tooth differential transmission output.
The labels in the figures are: 1-left output flange, 2-right output flange, 3-middle disk, 4-left planetary gear, 5-right planetary gear, 6-smooth pin shaft hole, 7-step pin shaft hole, 8-smooth pin shaft, 9-step pin shaft, 10-locking nut, 11-fixed shaft sleeve and 12-movable shaft sleeve.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
The invention discloses a method for improving the bearing capacity of a small tooth difference transmission output mechanism, which is characterized in that the method utilizes the relationship between the bending stress of a pin shaft and the diameter of the pin shaft and the span of a fulcrum, and adopts a mode of increasing auxiliary support to shorten the span of the fulcrum so as to realize the purpose of improving the bearing capacity of the small tooth difference transmission output mechanism, as shown in figures 1 to 7. The auxiliary support adopts a middle disc, and the middle disc is positioned between the left output flange and the right output flange. The left output flange, the middle disc and the right output flange are connected through a pin shaft; the pin shaft is provided with a fixed shaft sleeve and a movable shaft sleeve, the fixed shaft sleeve and the movable shaft sleeve are divided into a left section and a right section, and the left section of the shaft sleeve is only in sliding connection with a pin hole of a left planetary gear between the left output flange and the middle disc; the right section of shaft sleeve is only in sliding connection with a pin hole of a right planetary gear which is positioned between the middle disc and the right output flange; thereby eliminating the bending load of the shaft sleeve caused by the reverse acting force of the left and right groups of planet gears on the shaft sleeve.
The device for improving the bearing capacity of the small tooth difference transmission output mechanism is formed according to the method, and comprises a left output flange 1 and a right output flange 2 as shown in figures 1-7; the method is characterized in that: an intermediate disc 3 is arranged between the left output flange 1 and the right output flange 2; a left planetary gear 4 is arranged between the left output flange 1 and the intermediate disk 3; a right planetary gear 5 is arranged between the middle disc 3 and the right output flange 2; the left planetary gear 4 and the right planetary gear 5 are connected with the left output flange 1, the middle disc 3 and the right output flange 2 through pin shafts. The middle disc 3 is of a circular ring structure, and the middle disc 3 is provided with smooth pin shaft holes 6 and step pin shaft holes 7 which are uniformly distributed along the circumference; the smooth pin shaft holes 6 and the step pin shaft holes 7 are uniformly arranged in a crossed mode at intervals. A smooth pin shaft 8 penetrating through the smooth pin shaft hole 6 is arranged in the smooth pin shaft hole 6; a step pin shaft 9 penetrating through the step pin shaft hole 7 is arranged in the step pin shaft hole 7; and external threads which are fixedly connected with the left output flange 1 or the right output flange 2 are respectively arranged at two ends of the smooth pin shaft 8 and the step pin shaft 9, and a locking nut 10 is screwed on the external threads. The fixed shaft sleeve 11 is sleeved on the optical pin shaft 8; a movable shaft sleeve 12 is sleeved outside the fixed shaft sleeve 11; a movable shaft sleeve 12 is sleeved on the step pin shaft 9; the fixed shaft sleeve 11 and the movable shaft sleeve 12 are divided into two sections; one section is positioned at the left side of the middle disc 3, and the other section is positioned at the right side of the middle disc 3; the left output flange 1, the right output flange 2 and the intermediate plate 3 are fixed into a rigid body by the fixed shaft sleeve 11 and the optical pin shaft 8; the movable shaft sleeve 12 is in clearance fit with the fixed shaft sleeve 11.
The working principle of the present invention is further explained as follows:
the bending stress sigma F of the pin shaft is calculated according to the formula:
the unit is: MPa of
In the above formula:
km is an influence coefficient Km = 1.35-1.5 of manufacturing and mounting errors on pin shaft loads, and a large value is taken when the precision is high, and a small value is taken otherwise;
qmax-is the acting force of the planetary gear to the pin shaft, and the unit is N;
d is the diameter of the pin shaft and is in mm;
e-is the fulcrum span, in mm;
a is the distance between the upper fulcrum of the output flange and the end face of the planetary gear, and the unit is mm;
b is the tooth width of the planet gear in mm.
Wherein: qmax =4 × T2 × 0.6/(Rw × Z),
t2-nominal torque delivered by the output shaft in Nm;
rw is the radius of the pin shaft distribution circle in mm;
z is the number of the pin shafts;
from the above formula for calculating the bending stress σ F of the pin shaft, it can be known that, under the condition of unchanged bearing capacity, i.e., unchanged nominal torque transmitted by the output shaft, when the number of the pin shafts and the size of the distributed circle radius are fixed, the bending stress σ F of the pin shaft is inversely proportional to the 3 rd power of the diameter d of the pin shaft and positively correlated to the fulcrum span E.
Therefore, the invention adopts a mode of increasing auxiliary support to shorten the fulcrum span E so as to achieve the purpose of improving the bearing capacity of the transmission output mechanism with small tooth difference, which is feasible not only theoretically, but also proved to be feasible through tests.
Examples
Compared with the prior art, the small tooth difference transmission output device is improved by the embodiment shown in fig. 8, the intermediate disc 3 is added, and the fixed shaft sleeve 11 and the movable shaft sleeve 12 are divided into a left section and a right section which are respectively arranged at two sides of the intermediate disc and are respectively connected with the left planetary gear 4 and the right planetary gear 5 in a sliding way. Six equal-diameter holes D which are uniformly distributed along the circumference and used for fixing a smooth pin shaft 8 and a step pin shaft 9 are respectively arranged on the left output flange 1 and the right output flange 2. As shown in fig. 3, the intermediate disc 3 is uniformly provided with three optical pin holes 6 and three step pin holes 7 along the circumference; the smooth pin shaft holes 6 and the step pin shaft holes 7 are uniformly arranged in a crossed mode at intervals, the smooth pin shaft holes 6 are matched with the smooth pin shafts 8, the step pin shaft holes 7 are matched with the step pin shafts 9, the total number of the pin shaft holes is six in the embodiment, in actual application, the total number of the pin shaft holes can be determined according to specific conditions of use, namely the total number of the pin shaft holes can be less than six or can be more than six. The middle disc 3 is positioned between the left output flange 1 and the right output flange 2, the fixed shaft sleeves 11 are respectively arranged at two sides of the middle disc 3, the optical pin shaft 8 sequentially penetrates through the left output flange 1, the fixed shaft sleeves 11, the optical pin shaft hole 6 on the middle disc 3, the fixed shaft sleeves 11 and the right output flange 2, and two ends of the optical pin shaft 8 are locked through the locking nuts 10. The middle disc 3, the left output flange 1 and the right output flange 2 are fixed into a rigid whole under the action of the optical pin shaft 8 and the fixed shaft sleeve 11. The step pin shaft 9 and the step pin shaft hole 7 of the intermediate disc 3 are coaxially arranged, and external threads at two ends of the step pin shaft 9 are matched with the holes D on the left output flange 1 and the right output flange 2 and then locked by the locking nut 10. The fixed shaft sleeve 11 and the movable shaft sleeve 12 are both positioned at two sides of the middle disc 3, and the inner hole of the movable shaft sleeve 12 is respectively matched with the outer circles of the step pin shaft 9 and the fixed shaft sleeve 11. The axial length of the movable sleeve 12 is smaller than that of the fixed sleeve 11, so that the movable sleeve 12 can freely rotate around the axis thereof after being assembled. The diameter of the outer circle of the movable shaft sleeve 12 is determined according to the eccentricity of the eccentric shaft and the pin hole diameter of the planetary gear. Under the constraint action of the middle disc 3, the step pin shaft 9 and the optical pin shaft 8 form an auxiliary fulcrum between the left output flange 1 and the right output flange 2, so that the supporting structure between the left output flange 1 and the right output flange 2 is improved, the supporting span E is shortened, and the bending stress of the step pin shaft 9 and the optical pin shaft 8 can be reduced.
The outer diameter of the fixed shaft sleeve is the same as that of the step pin shaft, the fixed shaft sleeve and the step pin shaft transmit output load together, and the number of the pin shafts for transmission with small tooth difference is not reduced; under the action of the relatively fixed middle disc, the step pin shaft and the optical pin shaft form an auxiliary fulcrum in the middle, so that the supporting structure of the left planetary gear and the right planetary gear is improved, the supporting span E is reduced, and the bending stress of the step pin shaft and the optical pin shaft is reduced; the movable shaft sleeve is contacted with the pin hole of the single planetary gear, so that bending and relative sliding caused by simultaneous contact of the two planetary gears are avoided, and the stress condition of the pin shaft during working is improved. The volume of the transmission can be reduced under the condition of the same bearing capacity.
Claims (7)
1. A method for improving the bearing capacity of a small-tooth-difference transmission output mechanism is characterized by comprising the following steps: the method utilizes the relationship between the bending stress of the pin shaft and the diameter of the pin shaft and the span of the fulcrum, and adopts a mode of increasing auxiliary support to shorten the span of the fulcrum so as to achieve the purpose of improving the bearing capacity of the small tooth difference transmission output mechanism.
2. The method for improving the carrying capacity of a small tooth difference transmission output mechanism according to claim 1, wherein the method comprises the following steps: the auxiliary support adopts a middle disc, and the middle disc is positioned between the left output flange and the right output flange.
3. The method for improving the carrying capacity of a small tooth difference transmission output mechanism according to claim 1, wherein the method comprises the following steps: the left output flange, the middle disc and the right output flange are connected through a pin shaft; the pin shaft is provided with a fixed shaft sleeve and a movable shaft sleeve, the fixed shaft sleeve and the movable shaft sleeve are divided into a left section and a right section, and the left section of the shaft sleeve is only in sliding connection with a pin hole of a left planetary gear between the left output flange and the middle disc; the right section of shaft sleeve is only in sliding connection with a pin hole of a right planetary gear which is positioned between the middle disc and the right output flange; thereby eliminating the bending load of the shaft sleeve caused by the reverse acting force of the left and right groups of planet gears on the shaft sleeve.
4. A device for improving the bearing capacity of a transmission output mechanism with small tooth difference, which is formed by the method of any one of claims 1 to 3, and comprises a left output flange (1) and a right output flange (2); the method is characterized in that: an intermediate disc (3) is arranged between the left output flange (1) and the right output flange (2); a left planetary gear (4) is arranged between the left output flange (1) and the middle disc (3); a right planetary gear (5) is arranged between the middle disc (3) and the right output flange (2); the left planetary gear (4) and the right planetary gear (5) are connected with the left output flange (1), the middle disc (3) and the right output flange (2) through pin shafts.
5. The apparatus of claim 4 for improving the carrying capacity of a small tooth difference transmission output mechanism, wherein: the middle disc (3) is of a circular structure, and the middle disc (3) is provided with smooth pin shaft holes (6) and step pin shaft holes (7) which are uniformly distributed along the circumference; the smooth pin shaft holes (6) and the step pin shaft holes (7) are uniformly arranged in a crossed mode at intervals.
6. The apparatus of claim 5 for improving the carrying capacity of a small tooth difference transmission output mechanism, wherein: a smooth pin shaft (8) penetrating through the smooth pin shaft hole (6) is arranged in the smooth pin shaft hole (6); a step pin shaft (9) penetrating through the step pin shaft hole (7) is arranged in the step pin shaft hole (7); and the two ends of the smooth pin shaft (8) and the step pin shaft (9) are respectively provided with an external thread which is fixedly connected with the left output flange (1) or the right output flange (2), and a locking nut (10) is screwed on the external thread.
7. The apparatus of claim 6, wherein the apparatus further comprises: a fixed shaft sleeve (11) is sleeved on the optical pin shaft (8); a movable shaft sleeve (12) is sleeved outside the fixed shaft sleeve (11); a movable shaft sleeve (12) is sleeved on the step pin shaft (9); the fixed shaft sleeve (11) and the movable shaft sleeve (12) are divided into two sections; one section is positioned at the left side of the middle disc (3), and the other section is positioned at the right side of the middle disc (3); the left output flange (1), the right output flange (2) and the middle disc (3) are fixed into a rigid body by the fixed shaft sleeve (11) and the optical pin shaft (8); the movable shaft sleeve (12) is in clearance fit with the fixed shaft sleeve (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122329.7A CN112112948A (en) | 2020-10-20 | 2020-10-20 | Method and device for improving bearing capacity of small-tooth-difference transmission output mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011122329.7A CN112112948A (en) | 2020-10-20 | 2020-10-20 | Method and device for improving bearing capacity of small-tooth-difference transmission output mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112112948A true CN112112948A (en) | 2020-12-22 |
Family
ID=73794122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011122329.7A Pending CN112112948A (en) | 2020-10-20 | 2020-10-20 | Method and device for improving bearing capacity of small-tooth-difference transmission output mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112112948A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2421449Y (en) * | 1999-09-09 | 2001-02-28 | 吴大乐 | Double-fulcrum cycloidal speed reducer |
| CN2911323Y (en) * | 2006-05-29 | 2007-06-13 | 高敬民 | Little gearing tolerance planetary speed reducer |
| CN101737243A (en) * | 2008-11-11 | 2010-06-16 | 张态成 | Hydraulic motor for star cycloid |
| CN101806335A (en) * | 2010-04-17 | 2010-08-18 | 吴声震 | Three-chip type single-stage cycloidal speed reducer for industrial robot |
| CN102032324A (en) * | 2010-08-18 | 2011-04-27 | 吴声震 | Three-sheet double-cycloid single stage decelerator of industrial robot |
| WO2017063489A1 (en) * | 2015-10-14 | 2017-04-20 | 于杰 | Full-engagement transmission method and device |
-
2020
- 2020-10-20 CN CN202011122329.7A patent/CN112112948A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2421449Y (en) * | 1999-09-09 | 2001-02-28 | 吴大乐 | Double-fulcrum cycloidal speed reducer |
| CN2911323Y (en) * | 2006-05-29 | 2007-06-13 | 高敬民 | Little gearing tolerance planetary speed reducer |
| CN101737243A (en) * | 2008-11-11 | 2010-06-16 | 张态成 | Hydraulic motor for star cycloid |
| CN101806335A (en) * | 2010-04-17 | 2010-08-18 | 吴声震 | Three-chip type single-stage cycloidal speed reducer for industrial robot |
| CN102032324A (en) * | 2010-08-18 | 2011-04-27 | 吴声震 | Three-sheet double-cycloid single stage decelerator of industrial robot |
| WO2017063489A1 (en) * | 2015-10-14 | 2017-04-20 | 于杰 | Full-engagement transmission method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP4212653B2 (en) | Planetary gear set | |
| EP1362198B1 (en) | Planet gear and use thereof | |
| CA2620951C (en) | Continuously variable transmission | |
| CN102725561B (en) | Full toroidal traction drive | |
| FI78165C (en) | PLANETVAEXEL. | |
| KR100358003B1 (en) | Differential drive with N output shaft | |
| CN118810381A (en) | Transmission, drive train and vehicle having transmission | |
| US11933385B2 (en) | Nutation reducer | |
| WO2020233195A1 (en) | Internal meshing speed reducer for precision control | |
| US20110098148A1 (en) | An inner gear ring with variable tooth-number, the method of varying the tooth-number, and a variable transmission using the inner gear ring | |
| CN213479118U (en) | Device for improving bearing capacity of small-tooth-difference transmission output mechanism | |
| CN112112948A (en) | Method and device for improving bearing capacity of small-tooth-difference transmission output mechanism | |
| CN104373517B (en) | A kind of box-like equal support method of eccentric shaft-connection rod set and reductor thereof | |
| CN206522408U (en) | A kind of industrial robot joint reductor | |
| CN110857024A (en) | Power assembly for electric automobile | |
| CN101737476A (en) | Power shunt type combined planetary reducer | |
| CN218582221U (en) | Planetary gear supporting structure of planetary gear transmission train | |
| CN202326939U (en) | Coaxial cylindrical-surface-identical multi-stage forward/reverse rotation gearbox | |
| US3554042A (en) | Continuous regulatable drive | |
| CN103062340B (en) | Wind power constant brake yaw hypocycloid gear box | |
| RU2821404C1 (en) | Planetary gear | |
| CN110398357A (en) | A Closed Duplex Trident Universal Coupling Efficiency Test Device | |
| CN217558982U (en) | Planet carrier and transmission output assembly applying same | |
| RU2051300C1 (en) | Combined reduction gear | |
| CN222351340U (en) | Two-stage speed reducer for light truck electric drive bridge |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for 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: 20201222 |