Unlock instant, AI-driven research and patent intelligence for your innovation.

Conical rolling-element bearing and method for manufacturing cage for conical rolling-element bearing

A tapered roller bearing, tapered roller technology, applied in the direction of roller bearings, rolling contact bearings, bearings, etc.

Active Publication Date: 2015-02-18
NSK LTD
View PDF8 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Compared with the first to third examples of conventional structures, in the case of the structure described in Patent Document 2, although the durability can be improved, a small amount of lubricating oil can be supplied more efficiently to the large-diameter side end surface and the Considering the sliding contact part on the axial inner surface, there is still room for improvement

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 more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Conical rolling-element bearing and method for manufacturing cage for conical rolling-element bearing
  • Conical rolling-element bearing and method for manufacturing cage for conical rolling-element bearing
  • Conical rolling-element bearing and method for manufacturing cage for conical rolling-element bearing

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0112] The first example of embodiment

[0113] Figure 1~4 The first example of the embodiment of the present invention is shown. In addition, including the structure of this example, the present invention is characterized in that the shape and structure of the large-diameter side end and the small-diameter side end of the cage and the large-diameter side end surface of each tapered roller are designed to seek to prolong the lubrication failure. The state plays the time when it cannot rotate. Other basic structures of tapered roller bearings and Figures 35-36 The tapered roller bearing of the conventional structure shown is the same, and therefore, the same reference numerals are assigned to the same parts, and repeated descriptions are omitted or briefly repeated. Hereinafter, the characteristic parts of this example will be mainly described.

[0114] The cage 5e constituting the tapered roller bearing 1e of this example is a so-called cage-type cage that is integrally m...

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

No PUM Login to View More

Abstract

Disclosed is a structure that increases the endurance of a conical rolling-element bearing in a state of poor lubrication and extends the time until the bearing seizes up and can no longer rotate. The inner surface of a large-diameter-side rim section (12e) of a disclosed cage (5e) is provided with oil-storage recessions (19), recessed radially outwards, in areas having circumferential phases that align with pockets (15e).The part of the bottom surface of each oil-storage recession (19) that opens to the inner surface of that pocket (15e) is opposite a recession (20) formed on the large-diameter-side end face (10) of the conical rolling-element (4a) held in that pocket (15e). When lubrication is poor, lubricating oil left in each oil-storage recession (19) is used effectively to lubricate sections where the large-diameter-side end faces (10) slide against radially-inside faces (11) of large-diameter-side flanges (8).

Description

technical field [0001] The present invention relates to an axle for supporting a railway vehicle, a transmission shaft of a driving device, or a pinion shaft constituting a differential gear for an automobile, which rotates under a state where a large radial load and an axial load are applied. The invention relates to improvement of a method of manufacturing tapered roller bearings for various rotating shafts and cages incorporated in the tapered roller bearings. Background technique [0002] For example, as the pinion shaft of the differential gear, it is assembled on the rotation support part for the rotation shaft that supports a large radial load and axial load and rotates. Figure 35 The tapered roller bearing 1 shown. [0003] A tapered roller bearing 1 of a first example of this conventional structure includes an outer ring 2 and an inner ring 3 arranged concentrically with each other, a plurality of tapered rollers 4 , and a cage 5 . The outer ring 2 has a partially...

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
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): F16C33/46F16C19/36F16C33/56F16C33/66
CPCF16C33/4635F16C33/6651F16C19/364F16C33/4682F16C33/6681F16C33/6674F16C2220/04F16C2361/61B29C45/2628B29C45/0025B29C45/0046F16C2326/10F16C33/46F16C19/36F16C33/66F16C33/56
Inventor 水城宏教石森康浩喜多昌大前岛大纪汤川谨次斋藤智治温颖怡
Owner NSK LTD