CN204921923U - Reduction gear subassembly containing angular contact bearing - Google Patents
Reduction gear subassembly containing angular contact bearing Download PDFInfo
- Publication number
- CN204921923U CN204921923U CN201520725238.0U CN201520725238U CN204921923U CN 204921923 U CN204921923 U CN 204921923U CN 201520725238 U CN201520725238 U CN 201520725238U CN 204921923 U CN204921923 U CN 204921923U
- Authority
- CN
- China
- Prior art keywords
- bearing
- angular contact
- eccentric shaft
- tapered roller
- steel ball
- 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.)
- Active
Links
- 230000009467 reduction Effects 0.000 title abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 29
- 239000010959 steel Substances 0.000 claims abstract description 29
- 210000003205 muscle Anatomy 0.000 claims abstract description 26
- 230000005540 biological transmission Effects 0.000 claims abstract description 23
- 230000000712 assembly Effects 0.000 claims description 14
- 238000000429 assembly Methods 0.000 claims description 14
- 239000003638 chemical reducing agent Substances 0.000 claims description 14
- 239000000203 mixture Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Landscapes
- Retarders (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a reduction gear subassembly containing angular contact bearing, the transmission structure of its eccentric shaft, center drive axle is more stable. The utility model discloses reduction gear subassembly containing angular contact bearing contains the bearing frame, takes the muscle bearing frame and sets up at the bearing frame and take the cycloid wheel between the muscle bearing frame, the bearing frame with take the muscle bearing frame to constitute the angular contact bearing body, the bearing frame with take the muscle bearing frame in opposite directions one side the edge respectively the equipartition be provided with steel ball I and steel ball II, the bearing frame, take muscle bearing frame and cycloid to take turns to all to be provided with the center drive shaft hole that is used for assembling the transmission shaft for the eccentric shaft hole of equipment eccentric shaft, on eccentric shaft and the transmission shaft respectively the equipment have a pair of tapered roller bearing, a pair of tapered roller bearing assemble respectively the upper cover plate with lap down, the position that corresponds tapered roller bearing on eccentric shaft and the transmission shaft is provided with the equipment step respectively, is provided with the gasket between equipment step and the tapered roller bearing.
Description
Technical field
The utility model relates to a kind of reducer assemblies, for assembling retarder, particularly relating to and comprising cycloid wheel, the retarder of eccentric shaft and center driving axle; For the input power of center driving axle is passed to eccentric shaft, is swung by the cycloid wheel that rotarily drives of eccentric shaft, realize final Power output.
Background technique
In the high-precision driving device field of robot, the retarder that we need precision higher carrys out actuation movement; The reduction speed ratio of the retarder of the type is large, can stablize output; General is realize Power output by the cooperation of cycloid wheel and needle roller; Cycloid wheel is symmetrical arranged two eccentric shafts, center driving axle drives two eccentric shaft turns, and eccentric shaft drives cycloid wheel to swing and final low speed exports;
In prior art, eccentric shaft and center driving axle adopt general bearing to assemble and realize rotating the structure of installing, and its structure is unreliable; Meanwhile, eccentric shaft and center driving axle in use, are easy to produce axial clearance, affect transmission stability.
Model utility content
Technical problem to be solved in the utility model is, for above-mentioned deficiency of the prior art, to provide a kind of reducer assemblies comprising angular contact bearing, and the drive mechanism of its eccentric shaft, center driving axle is more stable.
In order to achieve the above object, the utility model is achieved by the following technical solutions:
Comprise the reducer assemblies of angular contact bearing, comprise bearing support, band muscle bearing support and the cycloid wheel be arranged between bearing support and band muscle bearing support;
Described bearing support and band muscle bearing support composition angular contact bearing body, the edge of bearing support and band muscle bearing support side is in opposite directions uniform is respectively provided with steel ball I and steel ball II;
Described angular contact bearing body is rotatably installed on body by steel ball I and steel ball II, uniformly on body is provided with the cycloid wheel needle roller with the edge mate of cycloid wheel;
Described bearing support, band muscle bearing support and cycloid wheel are provided with the center driving axis hole for assembling transmission shaft, for assembling the eccentric pivot hole of eccentric shaft;
Also comprise the upper cover plate and lower cover plate that are arranged on body both sides; Described eccentric shaft and transmission shaft are assembled with a pair tapered roller bearing respectively, and a pair tapered roller bearing is assembled on upper cover plate and lower cover plate respectively;
On described eccentric shaft and transmission shaft, the position of corresponding circle taper roller bearing is respectively arranged with assembling step, is provided with pad between assembling step and tapered roller bearing.
Preferred implementation of the present utility model and further improvement as follows:
(1) described pad is self-regulating pad, and described self-regulating pad is resilient pad, and it comprises and the assembling burnishing surface that is adjacent to of ledge surface and the arc shaped surface of projection that is adjacent to tapered roller bearing.
Further: the end of described eccentric shaft and transmission shaft is assembled with pitch wheel.
Further: the end of the tapered roller bearing of bearing support is provided with back-up ring.
Further: described assembling step is the boss in radially direction, described self-regulating shim pack is contained between assembling step and tapered roller bearing; Assembling step and the tapered roller bearing in opposite directions surface of side and self-regulating pad are adjacent to.
Further: described cycloid wheel is two, is provided with needle bearing on described eccentric shaft and between the eccentric pivot hole hole wall of two cycloid wheel.
(2) described steel ball I and steel ball II are assembled on steel ball retainer respectively.
(3) quantity of described eccentric shaft is two, and it is symmetricly set on the both sides of the transmission shaft at center; The two ends of described eccentric shaft are also respectively arranged with outer jump ring and interior jump ring.
The utility model beneficial effect is:
The utility model comprises the reducer assemblies of angular contact bearing, comprises bearing support, band muscle bearing support and the cycloid wheel be arranged between bearing support and band muscle bearing support; Cycloid wheel is arranged between bearing support and band muscle bearing support by we, and with bearing support and band muscle bearing support and steel ball composition angular contact bearing, it can not only bear axial force and can bear radial force reliably; Transmission is more stable.
Described eccentric shaft of the present utility model and transmission shaft are assembled with a pair tapered roller bearing respectively, and we achieve the restriction moved axially on the one hand by tapered roller bearing, further increase the ability to bear of axial load; Meanwhile, in order to the axial clearance produced after preventing long-term motion, the position of our corresponding circle taper roller bearing on described eccentric shaft and transmission shaft is respectively arranged with assembling step, is provided with pad between assembling step and tapered roller bearing.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of a kind of embodiment of the present utility model;
Fig. 2 is the structural representation of a kind of applied environment of tapered roller bearing assembly of the present utility model;
Fig. 3 is the structural representation of tapered roller bearing assembly of the present utility model;
Fig. 4 is the structural representation of a kind of embodiment of pad of the present utility model;
Fig. 5 is the perspective view of a kind of embodiment of the present utility model;
Fig. 6 is the structure principle chart of angular contact bearing of the present utility model.
Description of reference numerals:
1-body, 2-bearing base, 3-is with muscle bearing support, 4-bearing support, 5-steel ball retainer, 6-gear, 7-center driving axis hole, 8-eccentric shaft, 9-cycloid wheel, 10-needle bearing, 11-tapered roller bearing, 12-self-regulating pad, 13-circular cone latch, 14-cycloid wheel needle roller, jump ring in 15-, the outer jump ring of 16-, 17-outside framework oil seal, 18-O type circle, 19-bearing ball;
21-upper cover plate, 22-lower cover plate, 23-transmission shaft, 24-tapered roller bearing, 25-back-up ring, 26-self-regulating pad;
30-self-regulating pad, 31-burnishing surface, 32-arc shaped surface, 33-transmission shaft, 34-tapered roller bearing;
41-steel ball I, 42-steel ball II, 43-tapered roller bearing, 44-self-regulating pad, 45-cycloid wheel, 46-eccentric shaft;
51-output shaft installs end face, 52-angular contact bearing body, 53-steel ball I, 54-steel ball II.
Embodiment
Below in conjunction with drawings and Examples, the utility model embodiment is described:
As shown in figs. 1 to 6, it illustrates embodiment of the present utility model, as shown in the figure, the utility model comprises the reducer assemblies of angular contact bearing, comprises bearing support 4, band muscle bearing support 3 and the cycloid wheel 9 be arranged between bearing support and band muscle bearing support; In whole rotation process, bearing support, band muscle bearing support and cycloid wheel entirety are rotated, and whole rotation process is more steady;
As shown in the figure, described bearing support and band muscle bearing support composition angular contact bearing body 52, the edge of bearing support and band muscle bearing support side is in opposite directions uniform is respectively provided with steel ball I 41 and steel ball II 42; Thus, we constitute an angular contact bearing structure, and its concrete structural principle as shown in Figure 6, wherein, install end face and be connected with the rotation section of angular contact bearing by output shaft; We are by realizing the design of reliable accurate axis and radial bearing capacity for the angle design of angular contact bearing; As shown in Figure 6,
Θ=
Θ: the angle of bevel (arc.min) of output shaft;
Mt: torque rigidity (Nm/arc.min);
W1, W2: load (N);
L1, L3: to the distance (mm) of load point of action;
M1、M2：L+
-a；
L: output shaft attachment face is to the distance (mm) of the point of load.
As shown in the figure, described angular contact bearing body is rotatably installed on body 1 by steel ball I and steel ball II, uniformly on body 1 is provided with the cycloid wheel needle roller 14 with the edge mate of cycloid wheel;
As shown in the figure, described bearing support, band muscle bearing support and cycloid wheel are provided with the center driving axis hole 7 for assembling transmission shaft, for assembling the eccentric pivot hole of eccentric shaft 8;
As shown in the figure, the upper cover plate 21 being arranged on body both sides and lower cover plate 22 is also comprised; Described eccentric shaft and transmission shaft 23 are assembled with a pair tapered roller bearing (11,24,34,43) respectively, and a pair tapered roller bearing is assembled on upper cover plate and lower cover plate respectively;
As shown in the figure, on described eccentric shaft and transmission shaft, the position of corresponding circle taper roller bearing is respectively arranged with assembling step, is provided with pad between assembling step and tapered roller bearing.Spacer thickness by calculating, can limit by we, realizes the most reliable relative axial position and arranges.
Preferably, as shown in the figure, described pad is self-regulating pad (12,26,30,44), and described self-regulating pad is resilient pad, and it comprises and the assembling burnishing surface 31 that is adjacent to of ledge surface and the arc shaped surface 32 of projection that is adjacent to tapered roller bearing.This preferred embodiment can accurate Calculation and processing pad, be set to by pad comprise flexible self-regulating pad, it can adapt to the change of axial clearance automatically, and Long-Time Service is still reliably highly stable.
Preferably, as shown in the figure, the end of described eccentric shaft and transmission shaft is assembled with pitch wheel 6.The power of center driving axle is passed to eccentric shaft via gear engagement structure, and eccentric shaft drives cycloid wheel to swing and final rotation.
Preferably, as shown in the figure, the end of the tapered roller bearing of bearing support is provided with back-up ring 25.
Preferably, as shown in the figure, described assembling step is the boss in radially direction, and described self-regulating shim pack is contained between assembling step and tapered roller bearing; Assembling step and the tapered roller bearing in opposite directions surface of side and self-regulating pad are adjacent to.
Preferably, as shown in the figure, described cycloid wheel is two, is provided with needle bearing 10 on described eccentric shaft and between the eccentric pivot hole hole wall of two cycloid wheel.This needle bearing can assist the smooth and easy rotation of eccentric shaft further.
Preferably, as shown in the figure, described steel ball I and steel ball II are assembled on steel ball retainer 5 respectively.
Preferably, as shown in Figure 1, the quantity of described eccentric shaft is two, and it is symmetricly set on the both sides of the transmission shaft at center; The two ends of described eccentric shaft are also respectively arranged with outer jump ring 16 and interior jump ring 15.
By reference to the accompanying drawings the utility model preferred implementation is explained in detail above; but the utility model is not limited to above-mentioned mode of execution; in the ken that those of ordinary skill in the art possess; can also make a variety of changes under the prerequisite not departing from the utility model aim; these changes relate to correlation technique well-known to those skilled in the art, and these all fall into the protection domain of the utility model patent.
Do not depart from design of the present utility model and scope can make many other and change and remodeling.Should be appreciated that the utility model is not limited to specific mode of execution, scope of the present utility model is defined by the following claims.
Claims (8)
1. comprise the reducer assemblies of angular contact bearing, it is characterized in that: comprise bearing support, band muscle bearing support and the cycloid wheel be arranged between bearing support and band muscle bearing support;
Described bearing support and band muscle bearing support composition angular contact bearing body, the edge of bearing support and band muscle bearing support side is in opposite directions uniform is respectively provided with steel ball I and steel ball II;
Described angular contact bearing body is rotatably installed on body by steel ball I and steel ball II, uniformly on body is provided with the cycloid wheel needle roller with the edge mate of cycloid wheel;
Described bearing support, band muscle bearing support and cycloid wheel are provided with the center driving axis hole for assembling transmission shaft, for assembling the eccentric pivot hole of eccentric shaft;
Also comprise the upper cover plate and lower cover plate that are arranged on body both sides; Described eccentric shaft and transmission shaft are assembled with a pair tapered roller bearing respectively, and a pair tapered roller bearing is assembled on upper cover plate and lower cover plate respectively;
On described eccentric shaft and transmission shaft, the position of corresponding circle taper roller bearing is respectively arranged with assembling step, is provided with pad between assembling step and tapered roller bearing.
2. comprise the reducer assemblies of angular contact bearing as claimed in claim 1, it is characterized in that: described pad is self-regulating pad, described self-regulating pad is resilient pad, and it comprises and the assembling burnishing surface that is adjacent to of ledge surface and the arc shaped surface of projection that is adjacent to tapered roller bearing.
3. comprise the reducer assemblies of angular contact bearing as claimed in claim 2, it is characterized in that: the end of described eccentric shaft and transmission shaft is assembled with pitch wheel.
4. comprise the reducer assemblies of angular contact bearing as claimed in claim 2, it is characterized in that: the end of the tapered roller bearing of bearing support is provided with back-up ring.
5. comprise the reducer assemblies of angular contact bearing as claimed in claim 2, it is characterized in that: described assembling step is the boss in radially direction, described self-regulating shim pack is contained between assembling step and tapered roller bearing; Assembling step and the tapered roller bearing in opposite directions surface of side and self-regulating pad are adjacent to.
6. comprise the reducer assemblies of angular contact bearing as claimed in claim 2, it is characterized in that: described cycloid wheel is two, is provided with needle bearing on described eccentric shaft and between the eccentric pivot hole hole wall of two cycloid wheel.
7. comprise the reducer assemblies of angular contact bearing as claimed in claim 1, it is characterized in that: described steel ball I and steel ball II are assembled on steel ball retainer respectively.
8. comprise the reducer assemblies of angular contact bearing as claimed in claim 1, it is characterized in that: the quantity of described eccentric shaft is two, and it is symmetricly set on the both sides of the transmission shaft at center; The two ends of described eccentric shaft are also respectively arranged with outer jump ring and interior jump ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520725238.0U CN204921923U (en) | 2015-09-18 | 2015-09-18 | Reduction gear subassembly containing angular contact bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520725238.0U CN204921923U (en) | 2015-09-18 | 2015-09-18 | Reduction gear subassembly containing angular contact bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204921923U true CN204921923U (en) | 2015-12-30 |
Family
ID=54971052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520725238.0U Active CN204921923U (en) | 2015-09-18 | 2015-09-18 | Reduction gear subassembly containing angular contact bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204921923U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042042A (en) * | 2015-09-18 | 2015-11-11 | 福建省鲤东精密机械有限公司 | Decelerator assembly containing angular contact bearing |
-
2015
- 2015-09-18 CN CN201520725238.0U patent/CN204921923U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105042042A (en) * | 2015-09-18 | 2015-11-11 | 福建省鲤东精密机械有限公司 | Decelerator assembly containing angular contact bearing |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204921923U (en) | Reduction gear subassembly containing angular contact bearing | |
| CN101749411A (en) | Planet carrier of cycloidal needle wheel decelerator | |
| CN201807588U (en) | Rotating device for vertical bottle washing machine | |
| CN202674184U (en) | Harmonic wave gear driving device and automatic aligning wave generator | |
| CN105042042A (en) | Decelerator assembly containing angular contact bearing | |
| CN104791289B (en) | A kind of integral shaft connects formula fan clutch bearing | |
| CN104343938B (en) | A kind of deceleration shaft drive | |
| WO2018233345A1 (en) | Eccentric swinging type gear apparatus | |
| CN205078723U (en) | Non-backlash roller cam precision speed reducer | |
| CN207229696U (en) | Robot cycloid speed reducer and robot without movable head | |
| CN202251732U (en) | Planet wheel speed reducer provided with wear-resistant part | |
| CN202690734U (en) | Hinged support | |
| CN204166284U (en) | Winding mechanism of miniature automatic hammer mechanical watch | |
| CN201082015Y (en) | Rotatable turnplate device arranged on tabletop | |
| CN211288618U (en) | Speed reducer of handheld electric drill | |
| CN204450577U (en) | A kind of bearing support structure of robot wrist | |
| CN201621252U (en) | Fixing structure of rolling needle in cycloidal pinwheel speed reducer | |
| CN202742202U (en) | High-precision main shaft structure on steel ball grinding machine | |
| CN210315142U (en) | Roller structure | |
| CN206175604U (en) | Differential mechanism | |
| CN208085383U (en) | A kind of speed change omnidirectional rotating mechanism of moving analog device | |
| CN210770059U (en) | RV speed reducer | |
| CN214011741U (en) | Simple and reliable middle-placed tourbillon mechanism | |
| CN202125587U (en) | Speed reduction box | |
| CN204239458U (en) | A kind of rolling bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |