CN213117139U - Replaceable double-row thrust ball bearing mounting structure - Google Patents
Replaceable double-row thrust ball bearing mounting structure Download PDFInfo
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- CN213117139U CN213117139U CN202022055244.3U CN202022055244U CN213117139U CN 213117139 U CN213117139 U CN 213117139U CN 202022055244 U CN202022055244 U CN 202022055244U CN 213117139 U CN213117139 U CN 213117139U
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Abstract
The utility model provides an interchangeable biserial thrust ball bearing mounting structure, which comprises a biserial thrust ball bearing, an adjusting block, a shaft neck mounting flange, a connecting flange, a shaft end mounting flange, a retainer ring and an oil pool; the double-row thrust ball bearing is arranged on the outer edge of the step at the shaft end of the mandrel; the shaft neck mounting flange is arranged between the shaft end step of the mandrel and the upper end surface of the upper seat ring; the connecting flange is arranged on the inner ring of the upper seat ring, the shaft end mounting flange is arranged on the lower side of the lower seat ring, and the lower part of the retainer ring is in interference fit with the shaft end mounting flange through the convex ring. This replaceable biserial thrust ball bearing mounting structure of patent through setting up spacing groove and adjusting block, changes original biserial thrust ball bearing's working method, and the single atress that is listed as is worn and torn the back at this raceway, changes the adjusting block position, can normally work, and is simple and convenient, has prolonged life, in the high occasion of the installation degree of difficulty, reduces the replacement cost and the degree of difficulty.
Description
Technical Field
The utility model relates to a thrust ball bearing application technology field, concretely relates to interchangeable biserial thrust ball bearing mounting structure.
Background
The thrust ball bearing comprises a single-row thrust ball bearing or a double-row thrust ball bearing, and the double-row thrust ball bearing comprises a shaft ring, two seat rings and two steel ball-holder assemblies; the double-row thrust ball bearing can bear double-row axial load, is used for double-row axial positioning, and is stressed simultaneously in the using process. On large-scale vertical rotation's equipment, thrust ball bearing sets up in dabber and barrel tip, and large-scale thrust ball bearing installation scene, the installation and the construction degree of difficulty are all very big, and when the bearing wearing and tearing back, change and cost of maintenance are higher, and the degree of difficulty is great, has not had fine solution always.
SUMMERY OF THE UTILITY MODEL
For overcoming not enough in the background art, the utility model aims to solve the technical problem that an interchangeable biserial thrust ball bearing mounting structure is provided, increase of service life reduces the replacement cost.
The utility model discloses the technical scheme who adopts of its technical problem is solved in the creation:
a replaceable double-row thrust ball bearing mounting structure comprises a double-row thrust ball bearing, an adjusting block, a shaft neck mounting flange, a connecting flange, a shaft end mounting flange, a check ring and an oil pool;
the double-row thrust ball bearing is arranged on the outer edge of a step at the shaft end of the mandrel and comprises an upper seat ring, a middle shaft ring, a lower seat ring and two groups of steel ball-retainers which are correspondingly arranged; a plurality of corresponding limiting grooves are arranged on the inner side and the outer side of the lower ring surface of the upper seat ring and the inner side and the outer side of the upper ring surface of the middle shaft ring, and an inner limiting groove group and an outer limiting groove group are formed between the upper seat ring and the middle shaft ring; corresponding limiting grooves are uniformly arranged on the inner side and the outer side of the upper ring surface of the lower seat ring and the inner side and the outer side of the lower ring surface of the middle shaft ring, and an inner group of lower limiting groove group and an outer group of lower limiting groove group are formed between the middle shaft ring and the lower seat ring; the adjusting blocks are of a cuboid structure, and the adjusting blocks are respectively arranged in the inner and outer groups of upper limiting groove groups or the inner and outer groups of lower limiting groove groups;
the shaft neck mounting flange is arranged between the shaft end step of the mandrel and the upper end surface of the upper seat ring; the connecting flange is arranged on the inner ring of the upper seat ring, and the shaft neck mounting flange is respectively connected with the upper seat ring and the connecting flange through bolts; the shaft end mounting flange is arranged at the lower side of the lower seat ring and is positioned at the end part of the mounted cylinder body, and the shaft end mounting flange, the lower seat ring and the cylinder body are respectively fixed through bolts; the outer edge of the check ring is provided with a convex ring which divides the check ring into an upper part and a lower part, the upper part of the check ring is arranged at the inner ring of the lower seat ring, and the lower part of the check ring is in interference fit with the shaft end mounting flange through the convex ring;
the oil pool is of an annular structure and comprises an oil pool inner ring and an oil pool outer ring, the oil pool inner ring is arranged at the upper end of the check ring, and the oil pool outer ring is arranged on a shaft end mounting flange on the outer side of the double-row thrust ball bearing.
Specifically, the shaft end mounting flange is provided with oil drain holes, and the oil drain holes are uniformly arranged along the ring surface of the shaft end mounting flange between the inner side of the outer ring of the oil pool and the outer side of the double-row thrust ball bearing.
Specifically, hoisting holes are uniformly formed in the outer edge surfaces of the upper seat ring, the middle shaft ring and the lower seat ring of the double-row thrust ball bearing.
Specifically, the inner ring surface of the inner ring of the oil pool is flush with the inner ring surface of the retainer ring.
Due to the adoption of the technical scheme, the utility model discloses the creation possesses following beneficial effect:
this replaceable biserial thrust ball bearing mounting structure of patent through setting up spacing groove and adjusting block, changes original biserial thrust ball bearing's working method, and the single atress that is listed as is worn and torn the back at this raceway, changes the adjusting block position, can normally work, and is simple and convenient, has prolonged life, in the high occasion of the installation degree of difficulty, reduces the replacement cost and the degree of difficulty.
Drawings
FIG. 1 is a schematic cross-sectional view of the overall installation of this patent.
In the figure: 1-double-row thrust ball bearing, 11-upper seat ring, 12-middle shaft ring, 13-lower seat ring, 14-steel ball-retainer, 15-limiting groove, 16-hoisting hole, 2-adjusting block, 3-journal mounting flange, 4-connecting flange, 5-shaft end mounting flange, 51-oil drain hole, 6-check ring, 61-convex ring, 7-oil pool, 71-oil pool inner ring, 72-oil pool outer ring, 8-core shaft, and 9-barrel.
Detailed Description
The invention will be further explained below with reference to the drawings and examples, without limiting the scope of the invention, which is intended to protect all technical improvements within the scope of the invention.
Examples
The replaceable double-row thrust ball bearing mounting structure shown in the attached drawing 1 comprises a double-row thrust ball bearing 1, an adjusting block 2, a shaft neck mounting flange 3, a connecting flange 4, a shaft end mounting flange 5, a retainer ring 6 and an oil pool 7.
The double-row thrust ball bearing 1 is arranged on the outer edge of a step at the shaft end of a mandrel 8 in the center of a cylinder 9 and comprises an upper seat ring 11, a middle shaft ring 12, a lower seat ring 13 and two groups of steel ball-retainers 14 which are correspondingly arranged; the inner side and the outer side of the lower ring surface of the upper seat ring 11 and the inner side and the outer side of the upper ring surface of the middle shaft ring 12 are uniformly provided with corresponding limiting grooves 15, and an inner group of upper limiting groove groups and an outer group of upper limiting groove groups are formed between the upper seat ring 11 and the middle shaft ring 12; corresponding limiting grooves are uniformly formed in the inner side and the outer side of the upper ring surface of the lower seat ring 13 and the inner side and the outer side of the lower ring surface of the middle shaft ring 12, and an inner limiting groove group and an outer limiting groove group are formed between the middle shaft ring 12 and the lower seat ring 13; the adjusting blocks 2 are of a cuboid structure, and the adjusting blocks 2 are uniformly arranged in an inner group of lower limiting groove and an outer group of lower limiting groove corresponding to the middle shaft ring 12 and the lower seat ring 13; hoisting holes 16 are uniformly arranged on the outer edge surfaces of the upper seat ring 11, the middle shaft ring 12 and the lower seat ring 13.
The shaft neck mounting flange 3 is arranged between the shaft end step and the upper end surface of the upper seat ring 11; the connecting flange 4 is arranged on the inner ring of the upper seat ring 11, and the shaft neck mounting flange 3 is respectively connected with the upper seat ring 11 and the connecting flange 4 through bolts; the shaft end mounting flange 5 is arranged on the lower side of the lower seat ring 13, the shaft end mounting flange 5 is provided with oil drain holes 51, the oil drain holes 51 are uniformly arranged along the ring surface of the shaft end mounting flange 5 between the inner side of the oil pool outer ring 72 and the outer side of the double-row thrust ball bearing 1, and the shaft end mounting flange 5, the lower seat ring 13 and the barrel 9 are respectively fixed through bolts.
The outer edge of the retainer ring 6 is provided with a convex ring 61, the retainer ring 6 is divided into an upper part and a lower part, the upper part of the retainer ring 6 is arranged at the inner ring of the lower seat ring 13, and the lower part of the retainer ring 6 is in interference fit with the shaft end mounting flange 5 through the convex ring 61.
The oil pool 7 is of an annular structure, the oil pool 7 comprises an oil pool inner ring 71 and an oil pool outer ring 72, the oil pool inner ring 71 is arranged at the upper end of the retainer ring 6, and the inner annular surface of the oil pool inner ring 71 is flush with the inner annular surface of the retainer ring 6; the oil sump outer ring 72 is arranged on the shaft end mounting flange 5 on the outer side of the double-row thrust ball bearing 1.
When the double-row thrust ball bearing 1 is installed at the shaft end step of the mandrel 8, a plurality of adjusting blocks 2 are respectively placed in each limiting groove 15 corresponding to the middle shaft ring 12 and the lower seat ring 13, the lower seat ring 13 is separated from the steel balls, so that the upper row of the double-row thrust ball bearing 1 is stressed to work, after the upper row of the seat rings and the steel balls are worn and failed, the adjusting blocks 2 are taken out, the upper row of the double-row thrust ball bearing is placed into a circle of limiting grooves 15 corresponding to the upper portion seat ring 11 and the middle shaft ring 12, the upper portion seat ring 11 is separated from the steel balls, and the lower.
The part of the utility model not detailed is prior art.
The embodiments selected for the purpose of disclosing the invention, are presently considered to be suitable, it being understood, however, that the invention is intended to cover all variations and modifications of the embodiments, which fall within the scope of the concept and the utility model.
Claims (4)
1. An alternative biserial thrust ball bearing mounting structure which characterized in that: the device comprises a double-row thrust ball bearing, an adjusting block, a shaft neck mounting flange, a connecting flange, a shaft end mounting flange, a check ring and an oil pool;
the double-row thrust ball bearing is arranged on the outer edge of a step at the shaft end of the mandrel and comprises an upper seat ring, a middle shaft ring, a lower seat ring and two groups of steel ball-retainers which are correspondingly arranged; a plurality of corresponding limiting grooves are arranged on the inner side and the outer side of the lower ring surface of the upper seat ring and the inner side and the outer side of the upper ring surface of the middle shaft ring, and an inner limiting groove group and an outer limiting groove group are formed between the upper seat ring and the middle shaft ring; corresponding limiting grooves are uniformly arranged on the inner side and the outer side of the upper ring surface of the lower seat ring and the inner side and the outer side of the lower ring surface of the middle shaft ring, and an inner group of lower limiting groove group and an outer group of lower limiting groove group are formed between the middle shaft ring and the lower seat ring; the adjusting blocks are of a cuboid structure, and the adjusting blocks are respectively arranged in the inner and outer groups of upper limiting groove groups or the inner and outer groups of lower limiting groove groups;
the shaft neck mounting flange is arranged between the shaft end step of the mandrel and the upper end surface of the upper seat ring; the connecting flange is arranged on the inner ring of the upper seat ring, and the shaft neck mounting flange is respectively connected with the upper seat ring and the connecting flange through bolts; the shaft end mounting flange is arranged at the lower side of the lower seat ring and is positioned at the end part of the mounted cylinder body, and the shaft end mounting flange, the lower seat ring and the cylinder body are respectively fixed through bolts; the outer edge of the check ring is provided with a convex ring which divides the check ring into an upper part and a lower part, the upper part of the check ring is arranged at the inner ring of the lower seat ring, and the lower part of the check ring is in interference fit with the shaft end mounting flange through the convex ring;
the oil pool is of an annular structure and comprises an oil pool inner ring and an oil pool outer ring, the oil pool inner ring is arranged at the upper end of the check ring, and the oil pool outer ring is arranged on a shaft end mounting flange on the outer side of the double-row thrust ball bearing.
2. The replaceable double row thrust ball bearing mounting structure of claim 1, wherein: and the shaft end mounting flange is provided with oil drain holes which are uniformly arranged along the ring surface of the shaft end mounting flange between the inner side of the outer ring of the oil pool and the outer side of the double-row thrust ball bearing.
3. The replaceable double row thrust ball bearing mounting structure of claim 1, wherein: and hoisting holes are uniformly formed in the outer edge surfaces of the upper seat ring, the middle shaft ring and the lower seat ring of the double-row thrust ball bearing.
4. The replaceable double row thrust ball bearing mounting structure of claim 1, wherein: and the inner ring surface of the inner ring of the oil pool is flush with the inner ring surface of the retainer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022055244.3U CN213117139U (en) | 2020-09-18 | 2020-09-18 | Replaceable double-row thrust ball bearing mounting structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022055244.3U CN213117139U (en) | 2020-09-18 | 2020-09-18 | Replaceable double-row thrust ball bearing mounting structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213117139U true CN213117139U (en) | 2021-05-04 |
Family
ID=75664284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022055244.3U Active CN213117139U (en) | 2020-09-18 | 2020-09-18 | Replaceable double-row thrust ball bearing mounting structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213117139U (en) |
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2020
- 2020-09-18 CN CN202022055244.3U patent/CN213117139U/en active Active
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