CN201619973U - Double-row ball type slewing bearing - Google Patents
Double-row ball type slewing bearing Download PDFInfo
- Publication number
- CN201619973U CN201619973U CN 201020103447 CN201020103447U CN201619973U CN 201619973 U CN201619973 U CN 201619973U CN 201020103447 CN201020103447 CN 201020103447 CN 201020103447 U CN201020103447 U CN 201020103447U CN 201619973 U CN201619973 U CN 201619973U
- Authority
- CN
- China
- Prior art keywords
- ring
- raceway
- centre circle
- inner ring
- slewing bearing
- 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.)
- Expired - Lifetime
Links
Images
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to a double-row ball type slewing bearing, belonging to a slewing bearing. The utility model is characterized in that a middle ring is arranged between an inner ring and an outer ring, and the inner circumference and the outer circumference of the middle ring are respectively provided with an inner raceway and an outer raceway the cross sections of which are semicircular. A group of steel balls is installed between the outer raceway of the inner ring and the inner raceway of the middle ring, and a group of steel balls is also installed between the outer raceway of the middle ring and the inner raceway of the outer ring. The upper parts of the inner circumference and the outer circumference of the middle ring positioned on the upper planes of the inner ring and the outer ring are respectively provided with a rectangular ring groove and a raceway sealing ring, and the lower parts of the inner circumference of the outer ring and the outer circumference of the inner ring positioned at the lower plane of the middle ring are respectively provided with a rectangular ring groove and a raceway sealing ring to protect the raceways against pollution. Bolt holes are uniformly distributed on the upper circumference of the middle ring, and the middle ring is fixed on an upper vehicle by bolts. The inner ring and the outer ring are fixed on the chassis of a truck crane. The total height of the slewing bearing is not increased, but the bearing capability is increased by about one time. The double-row ball type slewing bearing has the advantages of reasonable design and safe and reliable use.
Description
Technical field
The utility model belongs to pivoting support, especially relates to a kind of ball-type slewing bearing.
Background technology
Car hosit generally uses pivoting support to realize its gyroscopic movement on the chassis of getting on the bus.Along with expanding economy, the tonnage of car hosit is increasing, its scantling is also increasing, bottom-to-top-height is more and more higher, because the height of vehicle is subjected to the restriction by condition such as bridge height, can not be higher than specified value, it is that important design is considered that the member height of large-tonnage car hosit is minimized.Make pivoting support reduce bottom-to-top-height under the prerequisite that guarantees load-carrying capacity is one of consideration wherein as far as possible.
Common pivoting support generally is made up of outer ring, inner ring and one group of rolling body being assemblied between the two, according to design theory, increasing load-carrying capacity need increase the diameter and the quantity of rolling body, but the diameter that increases rolling body can increase the height of pivoting support, the quantity that increases rolling body can increase the diameter of pivoting support, and the increase of diameter also is restricted, and therefore, the pivoting support of the big load-carrying capacity of design low clearance is a difficult problem.
Summary of the invention
The purpose of this utility model provides a kind of double ball-type slewing bearing, under the condition of the height that does not increase pivoting support and a small amount of increase radial dimension, realizes that the load-carrying capacity of pivoting support doubles.
The purpose of this utility model is achieved like this: a kind of double ball-type slewing bearing, comprise inner ring, outer ring, rolling body (steel ball) and raceway seal ring, the processing cross-sectional plane is semi-round outer raceway on the periphery of inner ring, on the interior week of outer ring processing cross-sectional plane be semi-round in raceway, in machining interal on the inner ring or on the outer ring, process external gear, on inner ring and outer ring, all be processed with the hold-down bolt hole; It is characterized in that: between inner ring and outer ring, centre circle is set, on the interior week of centre circle and periphery on process respectively cross-sectional plane be semi-round in raceway with outside raceway, one group of steel ball is installed between the interior raceway of the outer raceway of inner ring and centre circle, between the interior raceway of the outer raceway of centre circle and outer ring, one group of steel ball is installed also; On the interior week of centre circle and periphery on be positioned at inner ring, outer ring on the plane above the position offer the rectangle annular groove respectively, the raceway seal ring is installed in each rectangle annular groove, and on the interior week of outer ring and the lower portion that is positioned at the lower plane of centre circle on the periphery of inner ring offer the rectangle annular groove respectively, the raceway seal ring is installed in each rectangle annular groove, not contaminated with the protection raceway; Circumference uniform distribution installation and processing bolt hole on centre circle, centre circle by be bolted to get on the bus on, and inner ring and outer ring are all by on the chassis that is bolted to car hosit.
The using method of double ball-type slewing bearing of the present utility model is such: inner ring and outer ring all by on the chassis that is bolted to car hosit, centre circle by be bolted to get on the bus on, on getting on the bus, install back rotary driving device, the engagement of the miniature gears of device for revolving and driving and the inner gear of double ball-type slewing bearing of the present utility model or external gear just drives centre circle and the revolution of getting on the bus during pinion rotation like this.
The double ball-type slewing bearing that the utility model proposes can be arranged raceways to loading transfer to two by centre circle, does not increase the bottom-to-top-height of pivoting support, and its load-carrying capacity is doubled, and is reasonable in design, safe and reliable.
Now in conjunction with the accompanying drawings and embodiments the double ball-type slewing bearing that the utility model proposed is further described.
Description of drawings
Fig. 1 is that the master of the double ball-type slewing bearing that proposes of the utility model looks and partly cuts open scheme drawing.
Among Fig. 1: 1, inner ring 2, steel ball 3, raceway seal ring 4, centre circle 5, outer ring
The specific embodiment
As can be seen from Figure 1: a kind of double ball-type slewing bearing, comprise inner ring 1, outer ring 5, rolling body (steel ball 2) and raceway seal ring 3, the processing cross-sectional plane is semi-round outer raceway on the periphery of inner ring 1, on the interior week of outer ring 5 processing cross-sectional plane be semi-round in raceway, in machining interal on the inner ring 1 or on outer ring 5, process external gear, on inner ring 1 and outer ring 5, all be processed with the hold-down bolt hole; It is characterized in that: between inner ring 1 and outer ring 5, centre circle 4 is set, on the interior week of centre circle 4 and periphery on process respectively cross-sectional plane be semi-round in raceway with outside raceway, one group of steel ball 2 is installed between the interior raceway of the outer raceway of inner ring 1 and centre circle 4, between the interior raceway of the outer raceway of centre circle 4 and outer ring 5, one group of steel ball 2 is installed also; On the interior week of centre circle 4 and periphery on be positioned at inner ring 1, outer ring 5 on the plane above the position offer the rectangle annular groove respectively, raceway seal ring 3 is installed in each rectangle annular groove, and on the interior week of outer ring 5 and the lower portion that is positioned at the lower plane of centre circle 4 on the periphery of inner ring 1 offer the rectangle annular groove respectively, raceway seal ring 3 is installed in each rectangle annular groove, not contaminated with the protection raceway; Circumference uniform distribution installation and processing bolt hole on centre circle 4, centre circle 4 by be bolted to get on the bus on, and inner ring 1 and outer ring 5 are all by on the chassis that is bolted to car hosit.
It is such that double ball-type slewing bearing of the present utility model is to use method: inner ring 1 and outer ring 5 all by on the chassis that is bolted to car hosit, centre circle 4 by be bolted to get on the bus on, on getting on the bus, install back rotary driving device, the engagement of the miniature gears of device for revolving and driving and the inner gear of double ball-type slewing bearing of the present utility model or external gear just drives centre circle 4 and the revolution of getting on the bus during pinion rotation like this.
Claims (1)
1. a double ball-type slewing bearing comprises inner ring (1), outer ring (5), steel ball (2) and raceway seal ring (3), it is characterized in that:
A, between inner ring (1) and outer ring (5), centre circle (4) is set, go up in interior week of centre circle (4) and periphery on process respectively cross-sectional plane be semi-round in raceway with outside raceway, one group of steel ball (2) is installed between the interior raceway of the outer raceway of inner ring (1) and centre circle (4), between the interior raceway of the outer raceway of centre circle (4) and outer ring (5), one group of steel ball (2) is installed also;
B, go up in interior week of centre circle (4) and periphery on be positioned at the last plane of inner ring (1), outer ring (5) the position, top offer the rectangle annular groove respectively, raceway seal ring (3) is installed in each rectangle annular groove, go up in interior week of outer ring (5) and the periphery of inner ring (1) on be positioned at the lower plane of centre circle (4) lower portion offer the rectangle annular groove respectively, installation raceway seal ring (3) in each rectangle annular groove;
C, go up circumference uniform distribution installation and processing bolt hole at centre circle (4), centre circle (4) by be bolted to get on the bus on, and inner ring (1) and outer ring (5) are all by on the chassis that is bolted to car hosit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020103447 CN201619973U (en) | 2010-01-23 | 2010-01-23 | Double-row ball type slewing bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020103447 CN201619973U (en) | 2010-01-23 | 2010-01-23 | Double-row ball type slewing bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201619973U true CN201619973U (en) | 2010-11-03 |
Family
ID=43023429
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201020103447 Expired - Lifetime CN201619973U (en) | 2010-01-23 | 2010-01-23 | Double-row ball type slewing bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201619973U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312919A (en) * | 2011-06-14 | 2012-01-11 | 安徽枞晨回转支承有限公司 | Three-circle double-raceway slewing bearing |
| CN102818101A (en) * | 2012-09-10 | 2012-12-12 | 苏州嘉诺资源再生技术有限公司 | Asynchronous rotation driver |
| CN103711790A (en) * | 2013-11-21 | 2014-04-09 | 安徽枞晨回转支承有限公司 | Three-ring internal and external gear type slewing bearing |
| CN103802130A (en) * | 2014-01-27 | 2014-05-21 | 中国船舶重工集团公司第七一〇研究所 | Three-layer rocking frame device with two degrees of freedom |
| CN108951735A (en) * | 2018-10-08 | 2018-12-07 | 三汽车制造有限公司 | A kind of pivoting support component and land leveller |
-
2010
- 2010-01-23 CN CN 201020103447 patent/CN201619973U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312919A (en) * | 2011-06-14 | 2012-01-11 | 安徽枞晨回转支承有限公司 | Three-circle double-raceway slewing bearing |
| CN102818101A (en) * | 2012-09-10 | 2012-12-12 | 苏州嘉诺资源再生技术有限公司 | Asynchronous rotation driver |
| CN103711790A (en) * | 2013-11-21 | 2014-04-09 | 安徽枞晨回转支承有限公司 | Three-ring internal and external gear type slewing bearing |
| CN103711790B (en) * | 2013-11-21 | 2016-02-10 | 安徽枞晨回转支承有限公司 | External tooth type pivoting support in a kind of three circles |
| CN103802130A (en) * | 2014-01-27 | 2014-05-21 | 中国船舶重工集团公司第七一〇研究所 | Three-layer rocking frame device with two degrees of freedom |
| CN103802130B (en) * | 2014-01-27 | 2016-04-06 | 中国船舶重工集团公司第七一〇研究所 | A kind of three layers of cradle apparatus with two-freedom |
| CN108951735A (en) * | 2018-10-08 | 2018-12-07 | 三汽车制造有限公司 | A kind of pivoting support component and land leveller |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101705965B (en) | Roller type turntable bearing for super-tonnage crawler-type crane | |
| CN201619973U (en) | Double-row ball type slewing bearing | |
| CN202245852U (en) | Composite slewing bearing | |
| CN201224436Y (en) | Double-L-shaped pivoting support for heavy type trailer | |
| CN201627926U (en) | Heavy truck bridge hub oil seal | |
| CN203214605U (en) | Stop double-row tapered roller bearing | |
| CN211175002U (en) | Automobile hub bearing with good rolling performance | |
| CN203344635U (en) | Automobile hub provided with multiple steps | |
| CN201923205U (en) | Split type steering knuckle assembly | |
| CN203068025U (en) | Central slewing joint provided with bearing additionally | |
| CN202597456U (en) | Double-slewing cross type slewing support | |
| CN201807899U (en) | Vertical lathe turntable | |
| CN201881822U (en) | Novel automotive wheel hub | |
| CN205533785U (en) | A whole type four -point contact ball sealer bearing for auto electric power assisted steering ware | |
| CN201794921U (en) | Novel dustproof multi-lubrication angular contact ball and roller type slewing bearing | |
| CN208519065U (en) | A kind of crossed roller turntable bearing of inner ring rotation | |
| CN201057226Y (en) | Hub bearing assembly for minitype motortruck | |
| CN205101406U (en) | Heavy load type combination wheel hub bearing unit | |
| CN202132378U (en) | Three-row cylinder roller bearing | |
| CN220349470U (en) | Wheel edge driving assembly | |
| CN213575165U (en) | Heavy vehicle wheel hub bearing | |
| RU2425193C2 (en) | Slewing device of mine excavator | |
| CN215634485U (en) | Automobile hub bearing assembly with multiple sealing structures | |
| CN210919978U (en) | Simple bearing for rotary support speed reducer | |
| CN201769627U (en) | Wheel shaft sealing device of tipping mine vehicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Changsha Fangyuan Slewing Co., Ltd. Assignor: Maanshan Fangyuan Slewing Ring Co., Ltd. Contract record no.: 2011430000052 Denomination of utility model: Double-volleyball slewing bearing Granted publication date: 20101103 License type: Exclusive License Record date: 20110503 |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20161220 Address after: 243000 Ma'anshan economic and Technological Development Zone, Anhui, No. 399 West Hill Road, building No. 3 Patentee after: Ma'anshan Fangyuan Pml Precision Mechanism Ltd Address before: 243052 Anhui city of Ma'anshan province Jinjiazhuang District Cihu Chemical Industry Road No. 1 Patentee before: Maanshan Fangyuan Slewing Ring Co., Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20101103 |
|
| CX01 | Expiry of patent term |