sealed rolling bearings
A technology of rolling bearings and tapered roller bearings, applied in rolling contact bearings, bearings, bearings in rotating motion, etc., can solve the problems of high local pressure peaks on the sealing lip, and achieve the effect of reducing pressure load and reducing manufacturing costs.
Active Publication Date: 2021-11-26
SCHAEFFLER TECH AG & CO KG
View PDF5 Cites 0 Cited by
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Due to the pulsating squeezing effect, the bearing grease slips against the sealing lip of the radial shaft seal, so that high local pressure peaks occur on the sealing lip, which cannot be sustained permanently by the sealing lip of the radial shaft seal
Method used
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View moreImage
Smart Image Click on the blue labels to locate them in the text.
Smart ImageViewing Examples
Examples
Experimental program
Comparison scheme
Effect test
Embodiment Construction
[0022] specific implementation plan
[0023] The enclosed large rolling bearing 10 shown in the drawings is designed as a double-row tapered roller bearing 12 for wind power generation equipment and the like. It has a first inner ring 14 and a second inner ring 16 which are arranged axially close to one another and are surrounded coaxially and radially outward by a one-piece outer ring 18 . The two inner rings 14 , 16 as well as the outer ring 18 are formed and arranged rotationally symmetrically with respect to the longitudinal center axis 20 . The rolling elements 26 , 30 are arranged radially between the two inner rings 14 , 16 and the outer ring 18 in two rolling element rows 28 , 36 which are each guided by a rolling element cage 42 , 44 .
[0024] The rolling elements 26 of the first rolling element row 28 roll on the first inner ring raceway 22 and the first outer ring raceway 24, at the same time, the rolling elements 30 of the second rolling element row 36 roll on th...
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More PUM
Login to View More Abstract
The invention relates to a hermetic rolling bearing ( 10 ), for example for a wind power plant, which is designed as a double-row tapered roller bearing ( 12 ) with a first inner ring ( 14 ), a second inner ring ( 16 ) and an outer ring (18) coaxially arranged above the two inner rings (14, 16), wherein, radially between the two inner rings (14, 16) and the outer ring (18), there are arranged The rolling elements (26, 30) are formed into two rolling element rows (28, 36), wherein the rolling elements of the first rolling element row are in the first inner ring raceway (22) and the first outer ring raceway (24) rolling up, and the rolling elements of the second rolling element row roll on the second inner ring raceway (32) and the second outer ring raceway (34), wherein the rolling elements are arranged on at least one rolling element cage (42, 44), and wherein the bearing interior space (50) is at least partially filled with lubricant (52). In this rolling bearing ( 10 ), provision is made according to the invention that an additional ring ( 62 ) is arranged radially outward on the axial projection ( 60 ) of the first inner ring, which carries the radial shaft seal radially outward ring ( 64 ), and the radially outwardly oriented sealing lip ( 66 ) of the radial shaft sealing ring rests radially against the cylindrical inner sealing surface ( 68 ) of the axial extension ( 70 ) connected to the outer ring.
Description
technical field [0001] The invention relates to a hermetically sealed rolling bearing which is designed as a double-row tapered roller bearing and which can be used, for example, as a rotor shaft bearing of a wind power plant. The rolling bearing has a first inner ring, a second inner ring and an outer ring arranged coaxially on the two inner rings, wherein radially between the two inner rings and the outer ring there are two rows of rolling elements The rolling elements of the first rolling element row roll on the first inner ring raceway and the first outer ring raceway, and the rolling elements of the second rolling element row roll on the second inner ring raceway and the second outer ring raceway Rolling on raceways, wherein the rolling elements are arranged in at least one rolling element cage, and wherein the bearing interior is at least partially filled with lubricant. Background technique [0002] Rolling bearings are known for low-friction support of rotatable mac...
Claims
the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More Application Information
Patent Timeline
Login to View More Patent Type & Authority Patents(China)
IPC IPC(8): F16C33/58F16C33/60F16C33/66F16C33/78F16J15/3212F16J15/3216F16J15/3224F16J15/3268
CPCF16C33/6607F16C33/6622F16C33/7813F16C33/7889F16J15/3212F16J15/3216F16J15/3224F16J15/3268F16C19/386F16C33/585F16C33/586F16C33/605F16C2300/14F16C2360/31
Inventor 曼纽尔·雷廷格约尔格·诺伊基希纳
Owner SCHAEFFLER TECH AG & CO KG