CN211901275U - Ferrule guide type thrust cylindrical roller bearing - Google Patents
Ferrule guide type thrust cylindrical roller bearing Download PDFInfo
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- CN211901275U CN211901275U CN202020384105.2U CN202020384105U CN211901275U CN 211901275 U CN211901275 U CN 211901275U CN 202020384105 U CN202020384105 U CN 202020384105U CN 211901275 U CN211901275 U CN 211901275U
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Abstract
A ferrule guide type thrust cylindrical roller bearing comprises components including a shaft ring, a race, cylindrical rollers and a retainer. The shaft ring is of a circular structure, the inner diameter of the shaft ring is matched with the shaft, and a shaft ring raceway is matched with a rolling surface of the cylindrical roller; the seat ring is of a circular structure, the outer diameter of the seat ring is matched with the bearing seat, and the raceway of the seat ring is matched with the rolling surface of the cylindrical roller; the cylindrical roller is cylindrical, and the end surfaces on two sides are planes; the cage is of an annular structure, is designed in an integrated mode, is made of brass, the cylindrical rollers are loaded into the cage from the opening of a pocket hole of the cage, the distance between the diameter circle center of the pocket hole of the cage and the upper plane of the cage and the distance between the diameter circle center of the pocket hole of the cage and the lower plane of the cage are equal, the pocket hole is provided with features such as a pocket self-locking part and the opening of the pocket hole, and the adjacent pocket. Use the utility model relates to a lasso guide type thrust cylinder roller bearing has easy installation, stand wear and tear, high rigidity, high bear, long-life and the high reliability show the advantage.
Description
Technical Field
The utility model relates to a bearing technical field mainly relates to a lasso guide type thrust cylinder roller bearing.
Background
The thrust cylindrical roller bearing has high rigidity and higher axial bearing capacity and is widely applied. In the thrust cylinder roller bearing of standard design, the part includes the race, the seat circle, cylindrical roller, the holder, race and ring shape, the holder has two kinds of materials of nylon and brass, receive material and structural design restriction, nylon holder operating temperature can not exceed 120 ℃, the split type design of brass material holder is owing to adopt the fix with screw, the inaccurate problem of being difficult to the installation of location easily appears when the assembly screw, the screw drops or the rupture phenomenon easily appears when the bearing uses, to sum up, the thrust cylinder roller bearing of the split type brass holder of current design has the shortcoming of difficult installation, poor rigidity, easy inefficacy, bearing capacity still has further promotion space, and the holder of using this design is the roller guide mode, has the defect that the holder easily weared and torn.
Disclosure of Invention
The utility model aims at providing a ferrule guide type thrust cylindrical roller bearing, the retainer cancels the traditional split type design and changes into a solid type design, and correspondingly cancels the screw part which is easy to cause the bearing failure in advance; the retainer is changed from a roller guide mode to a ferrule guide mode, so that the defect that the original designed retainer is easy to wear is overcome; through roller data optimization, the bearing capacity of the bearing is further improved, the service life of the bearing is further effectively prolonged under the same use working condition, and the bearing has the remarkable advantages of easiness in installation, wear resistance, high rigidity, high bearing capacity, long service life and high reliability.
The purpose of the utility model can be realized by adopting the following technical scheme: the utility model discloses a lasso guide type thrust cylinder roller bearing, including race, seat circle, cylindrical roller, holder.
The shaft ring is of a circular structure, the inner diameter of the shaft ring is matched with the shaft, and a shaft ring raceway is matched with a rolling surface of the cylindrical roller; the seat ring is of a circular structure, the outer diameter of the seat ring is matched with the bearing seat, and the raceway of the seat ring is matched with the rolling surface of the cylindrical roller; the cylindrical roller is cylindrical, and the end surfaces on two sides are planes; the retainer is ring structure, adopt the integral type design, the brass material, the cage is packed into by cage pocket hole opening part to the cylindrical roller, the diameter difference of cage pocket hole distribution center circle and cage internal diameter equals the diameter difference of cage pocket hole distribution center circle and cage external diameter, cage pocket hole diameter centre of a circle is apart from the cage upper flat surface, the planar distance under the cage equals, the cage pocket hole is provided with pocket hole auto-lock department, characteristics such as pocket hole opening part, the adjacent pocket hole positive and negative alternative setting of cage, when pocket hole quantity is the singular, it sets up to allow two adjacent pocket holes of equidirectional, boss and race raceway clearance fit under the cage, boss and race raceway clearance fit on the cage.
The outer diameter of the retainer is 2-4 mm smaller than the outer diameter of the seat ring, and the inner diameter of the retainer is 2-4 mm larger than the inner diameter of the shaft ring.
The ratio of the thickness of the retainer to the diameter of the cylindrical roller is 0.63-0.65.
The width of the cage pocket is 0.2-0.5 mm larger than the length of the cylindrical roller.
The diameter of the pocket hole of the retainer is 0.2-0.4 mm larger than that of the cylindrical roller.
The width of the self-locking position of the cage pocket is 0.15-0.35 mm smaller than the diameter of the cylindrical roller.
The height of the contact surface at the self-locking position of the cage pocket is 1.5-3.5 mm.
The width of the opening of the cage pocket is 0.2-2 mm larger than the diameter of the cylindrical roller.
The distance between the inner diameter of the lower boss of the retainer and the end face of the cylindrical roller is 2-5 mm, and the distance between the outer diameter of the upper boss of the retainer and the end face of the cylindrical roller is 2-4 mm.
Drawings
FIG. 1 is a schematic diagram of a thrust cylindrical roller bearing of a prior art standard design.
Figure 2 is the thrust cylinder roller bearing of the utility model.
Figure 3 is the schematic view of the thrust cylindrical roller bearing retainer of the present invention.
Figure 4 is the schematic diagram of the pocket of the thrust cylindrical roller bearing cage of the present invention.
FIG. 5 is a schematic sectional view of a pocket of the roller bearing cage of the present invention.
In the figure: 1 axle ring, 1.1 axle ring raceway, 1.2 axle ring internal diameters, 2 raceways, 2.1 raceway raceways, 2.2 raceway external diameters, 3 cylindrical rollers, 3.1 cylindrical roller rolling surfaces, 4 cages, 4.1 cage external diameters, 4.2 cage pocket hole distribution center circles, 4.3 cage internal diameters, 4.4 cage pocket holes, 4.4.1 cage pocket hole widths, 4.4.2 cage pocket hole diameters, 4.4.3 cage pocket hole self-locking positions, 4.4.4 cage pocket hole opening parts, 4.4.5 cage upper plane, 4.4.6 cage lower plane, 4.5 cage lower boss, 4.6 cage upper boss
Detailed Description
The embodiments of the present invention will be described with reference to the accompanying drawings.
As shown in figures 2 to 5: the utility model discloses a thrust cylinder roller bearing, including race 1, seat circle 2, cylindrical roller 3, holder 4.
The shaft ring 1 is of a circular structure, the inner diameter of the shaft ring is 1.2, the shaft ring is matched with a shaft, and a shaft ring raceway 1.1 is matched with a cylindrical roller rolling surface 3.1; the seat ring 2 is of a circular structure, the outer diameter 2.2 of the seat ring is matched with the bearing seat, and the raceway 2.1 of the seat ring is matched with the rolling surface 3.1 of the cylindrical roller; the cylindrical roller 3 is cylindrical, and the end surfaces at two sides are planes; the retainer 4 is of a circular ring structure and is designed integrally, brass is used, the cylindrical roller 3 is arranged in the retainer 4 from a retainer pocket hole opening part 4.4.4, the diameter difference value of a retainer pocket hole distribution center circle 4.2 and a retainer inner diameter 4.3 is equal to the diameter difference value of a retainer pocket hole distribution center circle 4.2 and a retainer outer diameter 4.1, the distance between the circle center of the retainer pocket hole diameter 4.4.2 and the retainer upper plane 4.4.5 and the distance between the circle center of the retainer pocket hole diameter 4.4.2 and the retainer lower plane 4.4.6 are equal, the retainer pocket hole 4.4 is provided with features of a pocket hole self-locking part 4.4.3, a pocket hole opening part 4.4.4 and the like, the adjacent pocket holes 4.4 of the retainer 4 are alternately arranged, when the number of the pocket holes is singular, two adjacent pocket holes in the same direction are allowed to be arranged, a retainer lower boss 4.5 is in clearance fit with a raceway 2.
The outer diameter of the retainer 4.1 is 2-4 mm smaller than the outer diameter of the race 2.2, and the inner diameter of the retainer 4.3 is 2-4 mm larger than the inner diameter of the shaft ring 1.2.
The ratio of the thickness of the retainer 4 to the diameter of the cylindrical roller 3 is 0.63-0.65.
The width of the cage pocket hole is 4.4.1 mm which is 0.2-0.5 mm larger than the length of the cylindrical roller 3.
The diameter of the cage pocket hole is 4.4.2 mm which is 0.2-0.4 mm larger than that of the cylindrical roller 3.
The width of the self-locking position 4.4.3 of the cage pocket is 0.15-0.35 mm smaller than the diameter of the cylindrical roller 3.
The height of a contact surface at the self-locking position 4.4.3 of the cage pocket is 1.5-3.5 mm.
The width of the opening 4.4.4 of the cage pocket is 0.2-2 mm larger than the diameter of the cylindrical roller 3.
The distance between the inner diameter of 4.5 of the lower lug boss of the retainer and the end face of 3 cylindrical rollers is 2-5 mm, and the distance between the outer diameter of 4.6 of the upper lug boss of the retainer and the end face of 3 cylindrical rollers is 2-4 mm.
The utility model has the advantages that:
the retainer 4 cancels the traditional split design, adopts the integral brass design, and is matched with the reduction of the inner diameter of the retainer 4.3 and the increase of the outer diameter of the retainer 4.1 and the thickness of the retainer 4, so that the rigidity of the retainer is greatly improved, at the moment, on the premise of ensuring the rigidity of the retainer 4, one or two cylindrical rollers 3 can be added on the basis of the original design scheme, and the length of the cylindrical rollers 3 can be allowed to be increased by 2-4 mm, so that the bearing capacity of the bearing is greatly improved, and the service life of the bearing is further effectively prolonged under the same use working condition; the reasonable design of the diameters of the cage pocket holes of 4.4.2, the self-locking positions of the cage pocket holes of 4.4.3 and the sizes of the openings of the cage pocket holes of 4.4.4 can ensure that the cylindrical rollers 3 can be relatively easily arranged in the cage pocket holes of 4.4, and the cage pocket holes have the characteristic of easy installation; through the arrangement of the lower lug boss 4.5 and the upper lug boss 4.6 of the retainer, the reasonable inner diameter of the lower lug boss 4.5 and the outer diameter of the upper lug boss 4.6 are matched, so that the roller guide mode of the retainer is changed into the ferrule guide mode, and the defect that the original designed retainer is easy to wear is overcome; the positive and negative arrangement of adjacent cage pocket 4.4 makes it overcome the potential shortcoming that the cage axial displacement volume that produces because of the setting of cage pocket opening part 4.4.4 increases. In conclusion, it has the obvious advantages of easy installation, wear resistance, high rigidity, high bearing capacity, long service life and high reliability.
Claims (9)
1. The utility model provides a lasso guide type thrust cylinder roller bearing, includes race, cylindrical roller, holder, its characterized in that:
the shaft ring is of a circular structure, the inner diameter of the shaft ring is matched with the shaft, and a shaft ring raceway is matched with a rolling surface of the cylindrical roller; the seat ring is of a circular structure, the outer diameter of the seat ring is matched with the bearing seat, and the raceway of the seat ring is matched with the rolling surface of the cylindrical roller; the cylindrical roller is cylindrical, and the end surfaces on two sides are planes; the retainer is ring structure, adopt the integral type design, the brass material, the cage is packed into by cage pocket hole opening part to the cylindrical roller, the diameter difference of cage pocket hole distribution center circle and cage internal diameter equals the diameter difference of cage pocket hole distribution center circle and cage external diameter, cage pocket hole diameter centre of a circle is apart from the cage upper flat surface, the planar distance under the cage equals, the cage pocket hole is provided with pocket hole auto-lock department, characteristics such as pocket hole opening part, the adjacent pocket hole positive and negative alternative setting of cage, when pocket hole quantity is the singular, it sets up to allow two adjacent pocket holes of equidirectional, boss and race raceway clearance fit under the cage, boss and race raceway clearance fit on the cage.
2. The ferrule-guided thrust cylindrical roller bearing according to claim 1, wherein the outer diameter of the retainer is 2 to 4mm smaller than the outer diameter of the race, and the inner diameter of the retainer is 2 to 4mm larger than the inner diameter of the shaft ring.
3. The ferrule-guided thrust cylindrical roller bearing according to claim 1, wherein a ratio of a thickness of the cage to a diameter of the cylindrical roller is 0.63 to 0.65.
4. The cage-guided thrust cylindrical roller bearing of claim 1, wherein the cage pocket width is 0.2 to 0.5mm greater than the cylindrical roller length.
5. The ferrule-guided thrust cylindrical roller bearing according to claim 1, wherein a diameter of the cage pocket is 0.2 to 0.4mm larger than a diameter of the cylindrical roller.
6. The ferrule-guided thrust cylindrical roller bearing according to claim 1, wherein the width of the self-locking portion of the cage pocket is 0.15 to 0.35mm smaller than the diameter of the cylindrical roller.
7. The ferrule-guided thrust cylindrical roller bearing according to claim 1, wherein the height of the contact surface at the self-locking portion of the cage pocket is 1.5 to 3.5 mm.
8. The ferrule-guided thrust cylindrical roller bearing according to claim 1, wherein a width of an opening of the cage pocket is 0.2 to 2mm larger than a diameter of the cylindrical roller.
9. The ferrule-guided thrust cylindrical roller bearing according to claim 1, wherein the inner diameter of the lower boss of the retainer is spaced from the end faces of the cylindrical rollers by 2 to 5mm, and the outer diameter of the upper boss of the retainer is spaced from the end faces of the cylindrical rollers by 2 to 4 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020384105.2U CN211901275U (en) | 2020-03-24 | 2020-03-24 | Ferrule guide type thrust cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020384105.2U CN211901275U (en) | 2020-03-24 | 2020-03-24 | Ferrule guide type thrust cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211901275U true CN211901275U (en) | 2020-11-10 |
Family
ID=73269764
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020384105.2U Active CN211901275U (en) | 2020-03-24 | 2020-03-24 | Ferrule guide type thrust cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211901275U (en) |
-
2020
- 2020-03-24 CN CN202020384105.2U patent/CN211901275U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 252600 south of Xishou Road, Huamei Road, Linqing City, Liaocheng City, Shandong Province Patentee after: SHANDONG JI'ENNA MECHANICAL ENGINEERING TECHNOLOGY Co.,Ltd. Patentee after: Shandong Kubo Bearing Technology Co.,Ltd. Patentee after: SHANDONG CAMERY (KMR) BEARING SCIENCE & TECHNOLOGY Co.,Ltd. Patentee after: Shandong xiuhan inspection and Testing Co.,Ltd. Address before: 252600 south of Xishou Road, Huamei Road, Linqing City, Liaocheng City, Shandong Province Patentee before: SHANDONG JI'ENNA MECHANICAL ENGINEERING TECHNOLOGY Co.,Ltd. Patentee before: SHANDONG COOPER BEARING TECHNOLOGY SERVICE Co.,Ltd. Patentee before: SHANDONG CAMERY (KMR) BEARING SCIENCE & TECHNOLOGY Co.,Ltd. Patentee before: Shandong xiuhan inspection and Testing Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |