CN202170927U - Two-roller reducing ball type slewing bearing - Google Patents
Two-roller reducing ball type slewing bearing Download PDFInfo
- Publication number
- CN202170927U CN202170927U CN2011200212295U CN201120021229U CN202170927U CN 202170927 U CN202170927 U CN 202170927U CN 2011200212295 U CN2011200212295 U CN 2011200212295U CN 201120021229 U CN201120021229 U CN 201120021229U CN 202170927 U CN202170927 U CN 202170927U
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- China
- Prior art keywords
- circular groove
- raceway
- ring
- rolling element
- annular
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- Expired - Fee Related
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Abstract
The utility model discloses a two-roller reducing ball type slewing bearing, comprising an outer gear ring and an inner gear ring, wherein the inner ring includes an inner upper ring and an inner lower ring which are mutually engaged; the upper port of the outer gear ring and the central part of the annular inner wall are respectively opened with a right upper annular groove and a right lower annular groove; the annular outer wall of the inner ring is opened with a left annular groove; the upper part and the lower part of the annular outer wall of the inner ring are respectively formed with an annular left upper bump and a left lower bump via the left annular groove; the outer gear ring and the inner ring are embedded, the left upper bump is wrapped on the outside of the right upper annular groove and the left lower bump is wrapped on the outside of the right lower annular groove; an upper roller and a lower roller are respectively formed on the left annular groove and the right upper annular groove and the right lower annular groove; the upper roller is provided with an upper rolling body and the lower roller is provided with a lower rolling body; the diameter of the upper rolling body is bigger than that of the lower rolling body. The utility model has the advantages of strong weight capacity and good stability and is suitable for the large gravity host device.
Description
Technical field:
The utility model belongs to the engineering goods technical field, relates generally to the mechanical basic part pivoting support, relates in particular to a kind of two raceway different-diameter ball-type slewing bearings.
Background technique:
Pivoting support is a kind of large-scale combined bearing that can bear axial force, radial force and tilting moment simultaneously with gear ring and multiple eyelet.Its main body is made up of inside and outside two steel rings, respectively digs semi-circular grooves one on corresponding of two steel rings, lumps together that to form a cross section be columnar raceway, fills up rolling elements such as steel ball in the raceway.Common pivoting support has only a cylindrical shape raceway and spherical rolling element, has a little less than the bearing capacity defective that the bad and suitable not large-scale gravity main process equipment of stability adopts.
The model utility content:
The utility model purpose is exactly in order to remedy the defective of prior art;
is provided a kind of two raceway reducing ball-type slewing bearings; It is strong that it has a bearing capacity; The advantage of good stability, suitable large-scale gravity main process equipment adopts.
The utility model is realized through following technological scheme:
A kind of two raceway reducing ball-type slewing bearings; Include external toothing and inner ring; It is characterized in that: said inner ring includes involutory interior Shang Quan and Nei Xiaquan each other, and the position suitable for reading of said external toothing and its annular inner wall intermediate portion have upper right circular groove and bottom right circular groove; Have left circular groove on the annular outer wall of said inner ring, said left circular groove makes inner ring annular outer wall upper and lower be formed with the upper left convexity and the left lower convexity of annular respectively; Said external toothing is with after inner ring is nested, and upper left convexity is wrapped in outside the upper right circular groove, and left lower convexity is wrapped in outside the circular groove of bottom right, and left circular groove and upper right circular groove and bottom right circular groove form raceway and following raceway respectively; Said going up in the raceway is provided with rolling element, saidly is provided with down rolling element in the raceway down, and said upward rolling element diameter is greater than rolling element diameter down.
A kind of two raceway reducing ball-type slewing bearings; Include ring gear and outer ring; It is characterized in that: said outer ring includes involutory outer Shang Quan and Wai Xiaquan each other, and the top of said ring gear annular outer wall and intermediate portion have upper left circular groove and left circular groove down; Have right circular groove on the annular inner wall of said outer ring, said right circular groove makes the upper and lower of outer ring annular inner wall be formed with the upper right convexity and the bottom right convexity of annular respectively; Said ring gear is with after the outer ring is nested; Upper right convexity is wrapped in outside the upper left circular groove; The bottom right convexity is wrapped in outside the left circular groove down, and circular groove forms raceway and following raceway respectively under right circular groove and a upper left circular groove and the left side, and said going up in the raceway is provided with rolling element; Be provided with down rolling element in the raceway under said, the said rolling element diameter of going up is greater than following rolling element diameter.
Described a kind of two raceway reducing ball-type slewing bearings is characterized in that: said external toothing is respectively equipped with seal ring with the position that interior Shang Quan and interior circle down engage.
Described a kind of two raceway reducing ball-type slewing bearings is characterized in that: said ring gear is respectively equipped with seal ring with the position that outer Shang Quan and outer circle down engage.
Described a kind of two raceway reducing ball-type slewing bearings is characterized in that: the said rolling element of going up is steel ball with following rolling element.
Shang Quan becomes inner ring with interior circle down with bolt in said.
Said outer Shang Quan becomes the outer ring with outer circle down with bolt.
The utility model need be provided with two cover oil circuits, does not establish filling hole, plug and wears pin.
The utility model is a kind of pivoting support of reinforced, special rolling form; Be provided with upper and lower two raceways and upper and lower two kinds of rolling elements; And the diameter of these two raceways and rolling element does not wait; And two raceway walls are consistency from top to bottom at no gear ring wall place, makes pivoting support Internal and external cycle binding site charge into staggered each other.In addition, increase a raceway, also make raceway wall and rolling element point of contact showed increased.
The advantage of the utility model has:
1, the utility model becomes two raceways by single raceway of conventional construction; Increase the point of contact of raceway wall and rolling element; And inside and outside circle binding site is charged into staggered each other, has more optimized upper and lower, the left and right stressed proterties of rolling element, thereby; Strengthened the bearing capacity of the utility model greatly, suitable large-scale gravity main process equipment adopts.
2, the last raceway diameter of the utility model is bigger, helps the load function of pivoting support, and following raceway diameter is less, helps improving the stationarity and the sensitivity of pivoting support.
Description of drawings:
Fig. 1 is embodiment one a structural representation.
Fig. 2 is embodiment two a structural representation.
Embodiment:
Referring to accompanying drawing.
Embodiment one:
A kind of two raceway reducing ball-type slewing bearings include external toothing 1 and inner ring, and inner ring includes involutory each other interior circle 2 and the interior circle 3 down gone up, and the position suitable for reading of said external toothing 1 and its annular inner wall intermediate portion have upper right circular groove and bottom right circular groove; Have left circular groove on the annular outer wall of said inner ring, said left circular groove makes inner ring annular outer wall upper and lower be formed with upper left protruding 9 and left lower convexity 10 of annular respectively; Said external toothing 1 is with after inner ring is nested, and upper left protruding 9 are wrapped in outside the upper right circular groove, and left lower convexity 10 is wrapped in outside the circular groove of bottom right, and left circular groove and upper right circular groove and bottom right circular groove form raceway 4 and following raceway 6 respectively; Said going up in the raceway 4 is provided with rolling element 5, saidly is provided with down rolling element 7 in the raceway 6 down, and said upward rolling element 5 diameters are greater than rolling element 7 diameters down.The said rolling element 5 of going up is steel ball with following rolling element 7.
Said external toothing 1 with interior go up circle 2 and in down the position that engages of circle 3 be respectively equipped with seal ring 8.
Embodiment two:
A kind of two raceway reducing ball-type slewing bearings include ring gear 11 and outer ring, and the outer ring includes involutory each other outer circle 12 and the outer circle 13 down gone up, and the top of said ring gear 11 annular outer walls and intermediate portion have upper left circular groove and left circular groove down; Have right circular groove on the annular inner wall of said outer ring, said right circular groove makes the upper and lower of outer ring annular inner wall be formed with upper right protruding 19 and the bottom right protruding 20 of annular respectively; Said ring gear 11 is with after the outer ring is nested; Upper right protruding 19 are wrapped in outside the upper left circular groove; Bottom right convexity 20 is wrapped in outside the left circular groove down, and circular groove forms raceway 14 and following raceway 16 respectively under right circular groove and a upper left circular groove and the left side, and said going up in the raceway 14 is provided with rolling element 15; Be provided with down rolling element 17 in the raceway 16 under said, said rolling element 15 diameters of going up are greater than following rolling element 17 diameters.Said ring gear 11 is gone up the position that circle 12 and outer circle 13 down engage and is respectively equipped with seal ring 18 with outer.The said rolling element 15 of going up is steel ball with following rolling element 17.
Claims (5)
1. raceway reducing ball-type slewing bearing; Include external toothing and inner ring; It is characterized in that: said inner ring includes involutory interior Shang Quan and Nei Xiaquan each other, and the position suitable for reading of said external toothing and its annular inner wall intermediate portion have upper right circular groove and bottom right circular groove; Have left circular groove on the annular outer wall of said inner ring, said left circular groove makes inner ring annular outer wall upper and lower be formed with the upper left convexity and the left lower convexity of annular respectively; Said external toothing is with after inner ring is nested, and upper left convexity is wrapped in outside the upper right circular groove, and left lower convexity is wrapped in outside the circular groove of bottom right, and left circular groove and upper right circular groove and bottom right circular groove form raceway and following raceway respectively; Said going up in the raceway is provided with rolling element, saidly is provided with down rolling element in the raceway down, and said upward rolling element diameter is greater than rolling element diameter down.
2. raceway reducing ball-type slewing bearing; Include ring gear and outer ring; It is characterized in that: said outer ring includes involutory outer Shang Quan and Wai Xiaquan each other, and the top of said ring gear annular outer wall and intermediate portion have upper left circular groove and left circular groove down; Have right circular groove on the annular inner wall of said outer ring, said right circular groove makes the upper and lower of outer ring annular inner wall be formed with the upper right convexity and the bottom right convexity of annular respectively; Said ring gear is with after the outer ring is nested; Upper right convexity is wrapped in outside the upper left circular groove; The bottom right convexity is wrapped in outside the left circular groove down, and circular groove forms raceway and following raceway respectively under right circular groove and a upper left circular groove and the left side, and said going up in the raceway is provided with rolling element; Be provided with down rolling element in the raceway under said, the said rolling element diameter of going up is greater than following rolling element diameter.
3. a kind of two raceway reducing ball-type slewing bearings according to claim 1 is characterized in that: said external toothing is respectively equipped with seal ring with the position that interior Shang Quan and interior circle down engage.
4. a kind of two raceway reducing ball-type slewing bearings according to claim 2 is characterized in that: said ring gear is respectively equipped with seal ring with the position that outer Shang Quan and outer circle down engage.
5. a kind of two raceway reducing ball-type slewing bearings according to claim 1 and 2 is characterized in that: the said rolling element of going up is steel ball with following rolling element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200212295U CN202170927U (en) | 2011-01-22 | 2011-01-22 | Two-roller reducing ball type slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200212295U CN202170927U (en) | 2011-01-22 | 2011-01-22 | Two-roller reducing ball type slewing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202170927U true CN202170927U (en) | 2012-03-21 |
Family
ID=45829123
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200212295U Expired - Fee Related CN202170927U (en) | 2011-01-22 | 2011-01-22 | Two-roller reducing ball type slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202170927U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291759A (en) * | 2013-05-21 | 2013-09-11 | 徐州罗特艾德回转支承有限公司 | Spliced slewing bearing |
| CN114183463A (en) * | 2021-12-10 | 2022-03-15 | 江苏万达特种轴承有限公司 | Split type slewing bearing of double reducing outer lane |
-
2011
- 2011-01-22 CN CN2011200212295U patent/CN202170927U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103291759A (en) * | 2013-05-21 | 2013-09-11 | 徐州罗特艾德回转支承有限公司 | Spliced slewing bearing |
| CN114183463A (en) * | 2021-12-10 | 2022-03-15 | 江苏万达特种轴承有限公司 | Split type slewing bearing of double reducing outer lane |
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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: ANHUI GONGYUAN ROBOT TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: ANHUI ZONGCHEN SLEWING RING CO., LTD. Effective date: 20140801 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 246704 ANQING, ANHUI PROVINCE TO: 230031 HEFEI, ANHUI PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20140801 Address after: 230031 Science Research Building 1, Feng Fang Plaza, 7 Hongfeng Road, hi tech Zone, Anhui, Hefei Patentee after: Anhui Robot Technology Co., Ltd. Address before: 246704 No. 227 Changjiang Road, Zongyang County, Anhui, Anqing Patentee before: Anhui Zongchen Slewing Ring Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120321 Termination date: 20150122 |
|
| EXPY | Termination of patent right or utility model |