CN210003670U - pin cold riveting type four-row cylindrical roller bearing - Google Patents
pin cold riveting type four-row cylindrical roller bearing Download PDFInfo
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- CN210003670U CN210003670U CN201920508097.5U CN201920508097U CN210003670U CN 210003670 U CN210003670 U CN 210003670U CN 201920508097 U CN201920508097 U CN 201920508097U CN 210003670 U CN210003670 U CN 210003670U
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- pin
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- roller
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Abstract
The utility model belongs to the technical field of the bearing, kinds of pin cold riveting formula four-row cylindrical roller bearing is proposed, the pin cold riveting formula four-row cylindrical roller bearing that proposes has inner circle, outer lane and sets up a plurality of rollers of four ranks between inner circle and outer lane, the outer lane is provided with two for corresponding four ranks roller, be provided with the check ring between two outer lanes, the both sides of every roller all are provided with the holder packing ring that is used for carrying out the side direction spacing to it, it is body to connect through the pin between two holder packing rings that correspond to set up with roller, the pin is located the roller that corresponds, and with roller clearance fit, the pin has the pole portion, the both ends of polished rod portion have the screw thread portion that the diameter is greater than polished rod portion diameter respectively, the screw thread portion symmetry that is located polished rod portion both ends sets up, the screw thread groove has on the outer wall of screw thread portion.
Description
Technical Field
The utility model belongs to the technical field of the bearing, concretely relates to kinds of pin cold riveting formula four-row cylindrical roller bearing.
Background
The pin cold riveting type cylindrical roller bearing is taken as a typical rolling mill roller neck bearing, can provide the maximum radial bearing capacity compared with other types of bearings in a given installation space and has a lower friction coefficient, a retainer of the bearing consists of two retainer gaskets for laterally limiting a rolling body and a pin which is connected with the two retainer gaskets and penetrates through the center of a roller, the pin and the two retainer gaskets are combined into bodies in a cold riveting mode, but the damage accident of a pin retainer structure bearing often occurs in the actual use process, particularly the retainer is damaged due to excessive wear of the retainer in the early use stage of the bearing, and meanwhile, the damage of the pin cold riveting type retainer often causes the serious consequences of seizure, bearing seat damage, even roller damage and the like of the whole bearing in the use process, so that the normal operation of equipment using the bearing is influenced, and the reason is mainly analyzed as follows:
1) in the process of cold riveting of the pin and the retainer gasket, pressure needs to be applied to the pin, so that the pin has the possibility of bending deformation due to stress, and the operation performance of the roller is affected;
2) during the use of the bearing, frictional wear must exist between the rollers and the pin, and these friction can also cause premature failure of the bearing.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model aims at providing kinds of pin cold riveting formula four-row cylindrical roller bearing.
The utility model adopts the following technical scheme for accomplishing the above purpose:
types of pin cold riveting type four-row cylindrical roller bearings comprise inner rings, outer rings and a plurality of four-row rollers, wherein the outer rings are arranged corresponding to the four-row rollers, outer rings are arranged corresponding to the two rows of rollers, a middle retaining edge used for isolating the two rows of rollers is arranged in the middle of each outer ring, the two middle retaining edges are arranged, a middle retaining ring used for axially limiting the rollers is arranged between the two outer rings, the outer diameter of the middle retaining ring is the same as that of the outer rings, retainer gaskets used for laterally limiting the rollers are arranged on two sides of each roller, the two retainer gaskets corresponding to rollers are connected into a body through a pin, the pin is located in the corresponding roller and is in clearance fit with the roller, the pin is provided with a light rod part, threaded parts with the diameter larger than that of the light rod part are arranged at two ends of the light rod part respectively, threaded parts located at two ends of the light rod part are symmetrically arranged, and outer wall surfaces of the threaded parts are provided with grooves used for facilitating passing of lubricating oil.
A lubricating hole I for lubricating the roller is arranged between the two middle flanges of each outer ring; the lubricating hole I is communicated with a lubricating oil channel between two adjacent rollers; and the clearance between the retainer washer and the corresponding roller end surface is communicated with the lubricating oil channel and the thread groove on the pin.
The side of the outer ring is attached to the middle retainer ring, the side of the outer ring is attached to the side retainer ring, and the side retainer ring and the middle retainer ring form the outer retainer edge of each outer ring.
The middle retainer ring is provided with a lubricating hole II for lubricating the rollers, and the lubricating hole II is communicated with a lubricating oil channel between two adjacent rollers; and the clearance between the retainer washer and the corresponding roller end surface is communicated with the lubricating oil channel and the thread groove on the pin.
The utility model provides an kind of pintle cold riveting formula four-row cylindrical roller bearing, adopt above-mentioned technical scheme, little big structural design in two in the middle of the pintle adopts, and with roller clearance fit, and the pintle both ends part is provided with the thread groove that makes things convenient for lubricating oil to pass through, the structural design of pintle, friction between roller and the pintle has been reduced, contact length between pintle and the roller only is 20% of roller overall length, the operation nature of roller has been improved, steps have improved the life of pintle cold riveting formula four-row cylindrical roller bearing, set up well retaining ring between two outer lanes, it is spacing to carry out the roller by well retaining ring with the outer lane separation setting, the bearing installation of both being convenient for, the current situation of bearing lubrication difficulty has been solved to the last lubrication hole II of the retaining ring of still utilizable well.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural view of the middle pin of the present invention.
In the figure: 1. the novel polished rod comprises an inner ring, 2, an outer ring, 3, lubricating holes I and 4, lubricating holes II and 5, a middle retainer ring, 6, a middle flange, 7, a roller, 8, an edge retainer ring, 9, a retainer gasket, 10, a pin, 10-1, a polished rod part, 10-2 and a thread part.
Detailed Description
The invention is described in connection with the accompanying drawings and the embodiments:
as shown in figure 1, pin cold riveting type four-row cylindrical roller bearings are provided, each pin cold riveting type four-row cylindrical roller bearing comprises an inner ring 1, an outer ring and a plurality of four-row rollers 7, wherein the outer ring is provided with two corresponding four-row rollers, outer rings 2 are provided corresponding to the two rows of rollers, a middle baffle 6 used for isolating the two rows of rollers is arranged in the middle of each outer ring 2, the middle baffles 6 are provided in two numbers, a lubricating hole I3 used for lubricating the rollers is arranged between the middle baffles 6 of each outer ring, the lubricating hole I3 is communicated with a lubricating oil channel between two adjacent rollers, a gap between a retainer ring and the corresponding roller end face is communicated with the lubricating oil channel and a thread groove on a pin, a middle baffle 5 used for axially limiting the rollers is arranged between the two outer rings, the outer diameter of the middle baffle 5 is the same as the outer diameter of the lubricating oil channel between the two adjacent rollers 2, gaskets 9 used for laterally limiting the two sides of each roller retainer ring 7 are provided with a gasket 9 on the corresponding roller end face of the pin, the retainer ring is in axial limiting position, the same as the diameter of the thread groove of the polish rod 10, the polish rod is connected with the polish rod through the polish rod 10, the polish rod 10 is connected with the polish rod 10 through the polish rod 10, the.
The middle retainer ring 5 is provided with a plurality of lubricating holes II 4 for lubricating the roller, and the plurality of lubricating holes II 4 are uniformly distributed along the circumference; the lubricating hole II 4 is communicated with a lubricating oil channel between two adjacent rollers; and the clearance between the retainer washer and the corresponding roller end surface is communicated with the lubricating oil channel and the thread groove on the pin.
The part which is not detailed in the utility model is the structure or the design of the prior art.
Claims (4)
- The pin cold riveting type four-row cylindrical roller bearing is characterized in that two outer rings are arranged corresponding to four rows of rollers, outer rings are arranged corresponding to two rows of rollers, a middle baffle edge used for isolating the two rows of rollers is arranged in the middle of each outer ring, two middle baffle edges are arranged between the two outer rings, a middle baffle ring used for axially limiting the rollers is arranged between the two outer rings, the outer diameter of the middle baffle ring is the same as that of the outer ring, retainer gaskets used for laterally limiting the rollers are arranged on two sides of each roller, the two retainer gaskets arranged corresponding to the rollers are connected into a body through a pin, the pin is positioned in the corresponding roller and is in clearance fit with the roller, the pin is provided with a threaded rod part, two ends of a polished rod part are respectively provided with a threaded part with a diameter larger than that of a polished rod part, threaded parts of two ends of the polished rod part are symmetrically arranged, and an outer wall surface of the threaded part is provided with a lubricating oil groove for facilitating passing through.
- 2. The kinds of pin cold riveting type four-row cylindrical roller bearing as claimed in claim 1, wherein a lubrication hole I for lubricating the rollers is arranged between two middle flanges of each outer ring, the lubrication hole I is communicated with a lubrication channel between two adjacent rollers, and a through hole arranged in the center of the washer of the retainer is communicated with the lubrication channel and a pin mounting hole in the center of the roller.
- 3. The pin cold rivet four-row cylindrical roller bearing as claimed in claim 1, wherein side of the outer ring is attached to the middle retainer ring, and side is attached to the side retainer rings, and the side retainer rings and the middle retainer ring form the outer retainer of each outer ring.
- 4. The stud cold rivet four-row cylindrical roller bearing as claimed in claim 1, wherein the middle retainer ring has a lubrication hole II for lubricating the rollers, the lubrication hole II communicates with the lubrication channel between two adjacent rollers, and the clearance between the retainer ring and the corresponding roller end face communicates with the lubrication channel and the thread groove on the stud.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508097.5U CN210003670U (en) | 2019-04-16 | 2019-04-16 | pin cold riveting type four-row cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920508097.5U CN210003670U (en) | 2019-04-16 | 2019-04-16 | pin cold riveting type four-row cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210003670U true CN210003670U (en) | 2020-01-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920508097.5U Active CN210003670U (en) | 2019-04-16 | 2019-04-16 | pin cold riveting type four-row cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210003670U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022247361A1 (en) * | 2021-05-27 | 2022-12-01 | 李丹 | New-type pulley bearing and mounting method therefor, pulley component, and pulley assembly |
-
2019
- 2019-04-16 CN CN201920508097.5U patent/CN210003670U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022247361A1 (en) * | 2021-05-27 | 2022-12-01 | 李丹 | New-type pulley bearing and mounting method therefor, pulley component, and pulley assembly |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 471000 No. 3, Keji 2nd Road, advanced manufacturing cluster, Luoyang, Henan Patentee after: North axis (Luoyang) Technology Co.,Ltd. Address before: 471000 No. 3, Keji 2nd Road, advanced manufacturing cluster, Luoyang, Henan Patentee before: North axis (Luoyang) bearing manufacturing Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |