CN220081952U - Integral tapered roller thrust bearing holder and thrust bearing - Google Patents
Integral tapered roller thrust bearing holder and thrust bearing Download PDFInfo
- Publication number
- CN220081952U CN220081952U CN202321234626.XU CN202321234626U CN220081952U CN 220081952 U CN220081952 U CN 220081952U CN 202321234626 U CN202321234626 U CN 202321234626U CN 220081952 U CN220081952 U CN 220081952U
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- Prior art keywords
- roller
- retainer
- thrust bearing
- tapered roller
- pockets
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- 238000002955 isolation Methods 0.000 claims abstract description 19
- 238000007789 sealing Methods 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 6
- 229910002804 graphite Inorganic materials 0.000 claims description 6
- 239000010439 graphite Substances 0.000 claims description 6
- 238000000034 method Methods 0.000 abstract description 10
- 230000008901 benefit Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Rolling Contact Bearings (AREA)
Abstract
The integral tapered roller thrust bearing retainer and the thrust bearing are characterized in that the retainer is in an integral annular shape, and a stamping forming process is adopted, so that the processing cost is low; a plurality of roller pockets are uniformly distributed on the retainer around the axis, roller isolation plates are arranged between adjacent roller pockets, and a plurality of isolation plate bosses are arranged on the upper and lower surfaces of the roller isolation plates; before the rollers are assembled with the retainer, the side walls of the roller pockets are in a vertical state with the end face of the retainer, and tapered rollers are directly arranged in the pockets from the end face of the retainer; when the tapered roller is arranged in the pocket hole of the retainer, the separator boss on the roller separator is vertically extruded by the die, so that the separator boss deforms relative to the side surface of the roller pocket hole to form a roller anti-drop surface; the retainer and the roller are simple in assembly process, and automatic assembly is easy to realize, so that the assembly efficiency is greatly improved.
Description
Technical Field
The utility model relates to the technical field of tapered roller thrust bearings, in particular to an integral tapered roller thrust bearing retainer and a thrust bearing.
Background
The existing tapered roller thrust bearing retainer generally adopts a split structure, and comprises a retainer and an outer ring, wherein the outer ring is fixedly arranged on the outer circular surface of the retainer through bolts or pin shafts to form a complete tapered roller thrust bearing retainer; the thrust bearing retainer is used for preventing the rollers from falling from the pockets, and the circular arc-shaped pockets are machined along the radial direction of the retainer in a machining mode, so that the machining cost of the retainer is high; in addition, when the rollers are assembled, the rollers are required to be inserted into the pockets along the radial direction of the retainer, after the rollers are assembled, the outer ring is also required to be sleeved on the outer circular surface of the retainer, the threaded holes or the pin shaft holes are aligned, and the two are fixedly connected by bolts or the pin shafts so as to prevent the rollers from falling off along the radial direction of the pockets; the whole assembly process of the roller and the retainer is very complicated, and automatic assembly is not easy to realize, so that the assembly efficiency is extremely low, and the economic benefit of a bearing production enterprise is seriously influenced.
Disclosure of Invention
In order to overcome the defects in the background art, the utility model discloses an integral tapered roller thrust bearing retainer and a thrust bearing, wherein the retainer is in an integral annular shape, and a stamping forming process is adopted, so that the processing cost of the retainer is extremely low; a plurality of roller pockets are uniformly distributed on the retainer around the axis, roller isolation plates are arranged between adjacent roller pockets, and a plurality of isolation plate bosses are arranged on the upper and lower surfaces of the roller isolation plates; before the rollers are assembled with the retainer, the side walls of the roller pockets are in a vertical state with the end face of the retainer, and tapered rollers can be directly arranged in the pockets from the end face of the retainer; when the tapered roller is arranged in the pocket hole of the retainer, the separator boss on the roller separator is vertically extruded by the die, so that the separator boss deforms relative to the side surface of the roller pocket hole to form a roller anti-drop surface; the integral tapered roller thrust bearing retainer and the rollers are simple in assembly process and easy to realize automatic assembly, so that the assembly efficiency is greatly improved.
In order to achieve the aim of the utility model, the utility model adopts the following technical scheme: the integral conical thrust bearing retainer is in an integral annular shape, adopts a stamping forming process, and has the advantage of low cost; a plurality of roller pockets are uniformly distributed on the retainer around the axis; a roller isolation plate is arranged between adjacent roller pockets, and a plurality of isolation plate bosses are arranged on the upper and lower plate surfaces of the roller isolation plate; before the rollers are assembled with the retainer, the side walls of the roller pockets are in a vertical state with the end faces of the retainer, and the tapered rollers can be directly arranged in the pockets from the end faces of the retainer, so that the roller assembly is convenient.
Further, tapered rollers are rotatably arranged in the roller pockets; the two side surfaces of the partition plate boss, which are opposite to the roller pocket hole, are provided with roller anti-falling surfaces; the method for forming the roller anti-drop surface comprises the following steps: when the tapered roller is arranged in the pocket hole of the retainer, the separator boss on the roller separator is vertically extruded by the die, so that the separator boss deforms relative to the side surface of the roller pocket hole to form a roller anti-drop surface; when the retainer forms a roller anti-falling surface, the tapered roller can freely rotate in the roller pocket, but cannot fall out of the roller pocket, so that the tapered roller and the retainer form a tapered roller assembly.
The thrust bearing of the integral tapered roller thrust bearing retainer is characterized in that ferrules with the same structure are symmetrically and separately arranged on the upper end face and the lower end face of the tapered roller assembly; the ferrules with the same structure are adopted, so that the processing batch of the ferrules can be increased, and the processing cost of the ferrules is further reduced.
Further, flanges are arranged on the end surfaces of the two sides of the outer circumference of the retainer, and a gap of 0.1-0.3mm is arranged between the end surfaces of the flanges and the adjacent end surfaces of the ferrule; the smaller fit clearance between the flange end face and the adjacent end face of the ferrule can prevent larger foreign matters from entering the thrust bearing, and the service life of the thrust bearing is improved.
Further, the inner side surface of the flange is provided with a graphite sealing ring, foreign matters are prevented from entering the thrust bearing by the graphite sealing ring, and the service life of the thrust bearing is further improved.
Preferably, flange grooves are formed in the end faces of the two sides of the outer circumference of the retainer, sealing rings are arranged on the inner side faces of the flange grooves, foreign matters are prevented from entering the thrust bearing by the sealing rings, and the service life of the thrust bearing is further improved.
Due to the adoption of the technical scheme, the utility model has the following beneficial effects: the integral tapered roller thrust bearing retainer and the thrust bearing disclosed by the utility model have the advantages that the retainer is in an integral annular shape, and a stamping forming process is adopted, so that the processing cost is low; a plurality of roller pockets are uniformly distributed on the retainer around the axis, roller isolation plates are arranged between adjacent roller pockets, and a plurality of isolation plate bosses are arranged on the upper and lower surfaces of the roller isolation plates; before the rollers are assembled with the retainer, the side walls of the roller pockets are in a vertical state with the end face of the retainer, and tapered rollers can be directly arranged in the pockets from the end face of the retainer; when the tapered roller is arranged in the pocket hole of the retainer, the separator boss on the roller separator is vertically extruded by the die, so that the separator boss deforms relative to the side surface of the roller pocket hole to form a roller anti-drop surface; the integral tapered roller thrust bearing retainer and the rollers are simple in assembly process, easy to realize automatic assembly and high in assembly efficiency, so that the economic benefit of bearing production enterprises is greatly improved.
Drawings
FIG. 1 is a schematic view of the appearance of a cage;
FIG. 2 is a front view of the cage;
FIG. 3 is a cross-sectional view of the cage spacer boss in its original state;
FIG. 4 is a state diagram of the cage fitted into the tapered roller;
FIG. 5 is a schematic view of the appearance of the cage spacer boss extruded roller release surface;
FIG. 6 is an elevation view of the cage spacer boss extruded roller release surface;
FIG. 7 is a cross-sectional view of a cage spacer boss extruded roller release surface;
FIG. 8 is a schematic view of the exterior of a tapered roller assembly;
FIG. 9 is a front view of a thrust bearing of the integrated tapered roller thrust bearing cage;
FIG. 10 is an exploded schematic view of a thrust bearing structure;
FIG. 11 is a cross-sectional view of thrust bearing C-C;
FIG. 12 is a sectional view of thrust bearing D-D;
FIG. 13 is a cross-sectional view of thrust bearing E-E;
FIG. 14 is a cross-sectional view of a thrust bearing provided with a graphite seal ring;
fig. 15 is a cross-sectional view of a thrust bearing provided with a seal ring.
In the figure: 1. a retainer; 1.1, roller pocket; 1.2, a roller separator; 1.2.1, a partition plate boss; 1.2.2, roller anti-drop surface; 1.3, flanges; 2. tapered rollers; 3. a ferrule; 3.1, a roller path; 4. a graphite seal ring; 5. and (3) sealing rings.
Detailed Description
The utility model will be explained in more detail by the following examples, the purpose of which is to protect all technical improvements within the scope of the utility model.
See fig. 1-4 of the specification: the integral conical thrust bearing retainer 1 is in an integral annular shape, eighteen roller pockets 1.1 are uniformly distributed on the retainer 1 around the axis, roller isolation plates 1.2 are arranged between adjacent roller pockets 1.1, and two isolation plate bosses 1.2.1 are arranged on the upper and lower plate surfaces of the roller isolation plates 1.2; flanges 1.3 are arranged on the upper and lower side end surfaces of the outer circumference of the retainer 1; the cage 1 is formed by a stamping process.
The thrust bearing of the integral tapered roller thrust bearing cage comprises a cage 1, tapered rollers 2 and a ferrule 3; the tapered roller 2 is arranged in the roller pocket 1.1, a die is used for vertically extruding a baffle boss 1.2.1 on the roller baffle 1.2, the baffle boss 1.2.1 deforms relative to the side surface of the roller pocket 1.1 to form a roller anti-falling surface 1.2.2, and the structure of the roller anti-falling surface 1.2.2 is shown in figure 7 of the specification; when the retainer 1 is extruded to form a roller anti-falling surface 1.2.1, the tapered roller 2 can freely rotate in the roller pocket 1.1 but cannot fall out of the roller pocket 1.1, and the tapered roller 2 and the retainer 1 form a tapered roller assembly; the number of the ferrules 3 is two, the ferrules 3 are arranged on the upper end face and the lower end face of the tapered roller component in an up-down symmetrical mode, and the roller paths 3.1 of the ferrules 3 are in contact with the tapered rollers 2.
See fig. 14 of the specification: the upper and lower side end faces of the outer circumference of the retainer 1 are also provided with flanges 1.3, a gap of 0.2mm is arranged between each flange 1.3 and the adjacent end face of the ferrule 3, and the inner side face of each flange 1.3 is provided with a graphite sealing ring 4.
See fig. 15 of the specification: or the upper and lower side end surfaces of the outer circumference of the retainer 1 are provided with flange grooves, and sealing rings 5 are arranged in the flange grooves.
The utility model is not described in detail in the prior art.
Claims (7)
1. An integral tapered roller thrust bearing retainer, characterized by: the retainer (1) is in an integral annular shape; a plurality of roller pockets (1.1) are uniformly distributed on the retainer (1) around the axis; a roller isolation plate (1.2) is arranged between adjacent roller pockets (1.1), and a plurality of isolation plate bosses (1.2.1) are arranged on the upper plate surface and the lower plate surface of the roller isolation plate (1.2).
2. The unitary tapered roller thrust bearing cage of claim 1, wherein: tapered rollers (2) are rotationally arranged in the roller pockets (1.1); the two side surfaces of the boss (1.2.1) of the isolation plate, which are opposite to the roller pocket (1.1), are provided with roller anti-falling surfaces (1.2.2); the tapered roller (2) and the retainer (1) form a tapered roller assembly.
3. A thrust bearing based on the integral tapered roller thrust bearing cage of claim 2, characterized by: the upper end face and the lower end face of the tapered roller component are symmetrically and separately provided with ferrules (3) with the same structure.
4. A thrust bearing of a unitary tapered roller thrust bearing holder as claimed in claim 3, characterized in that: flanges (1.3) are arranged on the end surfaces of the two sides of the outer circumference of the retainer (1).
5. The thrust bearing of the integral tapered roller thrust bearing cage of claim 4, wherein: the adjacent end surfaces of the flange (1.3) and the ferrule (3) are provided with a gap of 0.1-0.3 mm.
6. The thrust bearing of the integral tapered roller thrust bearing cage of claim 5, wherein: the inner side surface of the flange (1.3) is provided with a graphite sealing ring (4).
7. A thrust bearing of a unitary tapered roller thrust bearing holder as claimed in claim 3, characterized in that: flange grooves are formed in the end faces of the two sides of the outer circumference of the retainer (1), and sealing rings (5) are arranged in the flange grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234626.XU CN220081952U (en) | 2023-05-22 | 2023-05-22 | Integral tapered roller thrust bearing holder and thrust bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321234626.XU CN220081952U (en) | 2023-05-22 | 2023-05-22 | Integral tapered roller thrust bearing holder and thrust bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220081952U true CN220081952U (en) | 2023-11-24 |
Family
ID=88823511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321234626.XU Active CN220081952U (en) | 2023-05-22 | 2023-05-22 | Integral tapered roller thrust bearing holder and thrust bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220081952U (en) |
-
2023
- 2023-05-22 CN CN202321234626.XU patent/CN220081952U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |