CN214146266U - Improved double-row cylindrical roller bearing - Google Patents
Improved double-row cylindrical roller bearing Download PDFInfo
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- CN214146266U CN214146266U CN202022967902.6U CN202022967902U CN214146266U CN 214146266 U CN214146266 U CN 214146266U CN 202022967902 U CN202022967902 U CN 202022967902U CN 214146266 U CN214146266 U CN 214146266U
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- cylindrical roller
- inner ring
- inner circle
- roller bearing
- annular convex
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- 230000006872 improvement Effects 0.000 claims abstract description 6
- 230000006978 adaptation Effects 0.000 claims 2
- 230000008859 change Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The utility model relates to a bearing design technical field specifically is an improvement type double-row cylindrical roller bearing, including the outer lane, outer lane inside wall top edge, bottom edge and intermediate position all are equipped with first annular chimb, and open at first annular chimb top has a plurality of fixed orificess, and it has the connecting axle to peg graft in the fixed orifices on the same axis, and the connecting axle lateral wall is located to rotate between per two first annular chimbs and even has cylindrical roller, and the inside upper end of outer lane is equipped with the inner circle, and the inside lower extreme of outer lane is equipped with down the inner circle, and the inner circle is gone up and is fixed on the inner circle under through locking screw locking. This improvement type double-row cylindrical roller bearing sets the inner circle to through fixed last inner circle of locking screw and lower inner circle, damages the back when cylindrical roller, can dismantle last inner circle and lower inner circle, pulls down the connecting axle on the cylindrical roller that will damage again, changes solitary cylindrical roller can, need not to change whole bearing, can effectively reduce use cost, improves resource utilization.
Description
Technical Field
The utility model relates to a bearing design technical field specifically is an improvement type double-row cylindrical roller bearing.
Background
The bearing is a mechanical element which limits relative motion in a required motion range and reduces friction between moving parts, and is widely applied to mechanical equipment, the double-row cylindrical roller bearing is one type of bearing, two groups of parallel cylinders form a roller, most of the existing double-row cylindrical roller bearings are not detachable, after the roller is damaged, the whole bearing needs to be replaced, the use cost is high, and meanwhile, resource waste is easily caused.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improvement type double-row cylindrical roller bearing to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an improved double-row cylindrical roller bearing comprises an outer ring, wherein first annular convex edges are arranged at the top edge, the bottom edge and the middle position of the inner side wall of the outer ring, a plurality of fixing holes which are distributed in an annular array and correspond to one another are formed in the top of each first annular convex edge, a connecting shaft is fixedly inserted in the fixing holes on the same axis, a cylindrical roller is rotatably connected between every two first annular convex edges on the outer side wall of the connecting shaft, an upper inner ring is arranged at the upper end inside the outer ring, the outer side wall of the upper inner ring is attached to the cylindrical roller, a second annular convex edge is arranged at the top edge of the outer side wall of the upper inner ring, the bottom of the second annular convex edge is attached to the cylindrical roller, a lower inner ring is arranged at the lower end inside the outer ring, the outer side wall of the lower inner ring is attached to the cylindrical roller, and a third annular convex edge is arranged at the bottom edge of the outer side wall of the lower inner ring, the top of the third annular convex edge is attached to the cylindrical roller, the top of the lower inner ring is attached to the bottom of the upper inner ring, the inner diameter of the lower inner ring is matched with that of the upper inner ring, and the upper inner ring is locked and fixed on the lower inner ring through a locking screw.
Preferably, the first annular convex edge and the outer ring are of an integrally formed structure.
Preferably, the connecting shaft is in interference fit in the fixing hole.
Preferably, a through switching hole is formed in the middle of the top of the cylindrical roller, the inner diameter of the switching hole is matched with the outer diameter of the connecting shaft, and the connecting shaft penetrates through the switching hole and is in rotating connection with the switching hole.
Preferably, the inner side wall of the outer ring is located at every two of the first annular convex edges, arc-shaped grooves which are the same in quantity with the connecting shafts and correspond to the connecting shafts one to one are formed in the first annular convex edges, and the outer side wall of the cylindrical roller is attached to the arc-shaped grooves.
Preferably, the second annular convex edge and the upper inner ring are in an integrally formed structure.
Preferably, the third annular convex edge and the lower inner ring are in an integrally formed structure.
Preferably, the bottom of the upper inner ring is provided with two symmetrical positioning pins which are in an integrated structure with the upper inner ring, the top of the lower inner ring is provided with two positioning holes which penetrate through the upper inner ring, the inner diameter size of each positioning hole is matched with the outer diameter size of each positioning pin, and the positioning pins and the positioning holes are in one-to-one correspondence and are inserted into the positioning holes.
Preferably, the top of the upper inner ring is provided with a plurality of counter bores distributed in an annular array, the top of the lower inner ring is provided with locking holes which are the same in number as the counter bores and correspond to the counter bores one by one, and the locking screws penetrate through the counter bores and are in threaded connection with the locking holes.
Compared with the prior art, the beneficial effects of the utility model are that:
this improvement type double-row cylindrical roller bearing sets the inner circle of bearing to through locking screw locking fixed last inner circle and lower inner circle, passes through interference fit's connecting axle with cylindrical roller simultaneously and fixes on the outer circle, in the use, after cylindrical roller damages, can dismantle last inner circle and lower inner circle, pull down the connecting axle on the cylindrical roller that damages again, change solitary cylindrical roller can, need not to change whole bearing, can effectively reduce use cost, improve resource utilization.
Drawings
Fig. 1 is an exploded view of the overall structure of the present invention;
FIG. 2 is a cross-sectional view of the overall structure of the present invention;
FIG. 3 is a cross-sectional view of the structure of the middle outer ring of the present invention;
fig. 4 is a schematic structural view of a cylindrical roller according to the present invention;
fig. 5 is a schematic structural view of an upper inner ring in the present invention;
fig. 6 is a schematic structural view of the middle and lower inner rings of the present invention.
In the figure:
1. an outer ring; 10. a first annular rim; 11. a fixing hole; 12. an arc-shaped groove;
2. a connecting shaft;
3. a cylindrical roller; 30. switching the hole;
4. an upper inner ring; 40. a second annular flange; 41. positioning pins; 42. a counter bore;
5. a lower inner ring; 50. a third annular rim; 51. positioning holes; 52. a locking hole;
6. and locking the screw.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first", "second", "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.
Referring to fig. 1-6, the present invention provides a technical solution:
an improved double-row cylindrical roller bearing comprises an outer ring 1, wherein first annular convex edges 10 are arranged at the top edge of the inner side wall of the outer ring 1, the bottom edge and the middle position of the inner side wall of the outer ring 1, a plurality of fixing holes 11 which are distributed in an annular array and correspond to one another are formed in the top of each first annular convex edge 10, a connecting shaft 2 is fixedly inserted in the fixing holes 11 on the same axis, a cylindrical roller 3 is rotatably connected between every two first annular convex edges 10 on the outer side wall of the connecting shaft 2, a through-connection hole 30 is formed in the middle position of the top of the cylindrical roller 3, the inner diameter size of the through-connection hole 30 is matched with the outer diameter size of the connecting shaft 2, the connecting shaft 2 penetrates through the through-connection hole 30 and is rotatably connected with the through-connection hole 30, an upper inner ring 4 is arranged at the upper end inside the outer ring 1, the outer side wall of the upper inner ring 4 is attached to the cylindrical roller 3, and a second annular convex edge 40 is arranged at the top edge of the outer side wall of the upper inner ring 4, the bottom of the second annular convex edge 40 is attached to the cylindrical roller 3, the lower end inside the outer ring 1 is provided with the lower inner ring 5, the outer side wall of the lower inner ring 5 is attached to the cylindrical roller 3, the edge of the bottom of the outer side wall of the lower inner ring 5 is provided with the third annular convex edge 50, the top of the third annular convex edge 50 is attached to the cylindrical roller 3, the top of the lower inner ring 5 is attached to the bottom of the upper inner ring 4, the inner diameter of the lower inner ring 5 is matched with the inner diameter of the upper inner ring 4, the upper inner ring 4 is locked and fixed on the lower inner ring 5 through the locking screw 6, the top of the upper inner ring 4 is provided with a plurality of counter bores 42 distributed in an annular array manner, the top of the lower inner ring 5 is provided with locking holes 52 which are the same as the counter bores 42 in number and correspond to the counter bores one by one to one, and the locking screw 6 penetrates through the counter bores 42 and is connected to the locking holes 52 in a thread manner.
In this embodiment, set the inner circle of bearing to through locking screw 6 fixed last inner circle 4 and lower inner circle 5 of locking, fix cylindrical roller 3 on outer lane 1 through interference fit's connecting axle 2 simultaneously, in the use, after cylindrical roller 3 damages, can dismantle last inner circle 4 and lower inner circle 5, pull down connecting axle 2 on the cylindrical roller 3 that damages again, take off cylindrical roller 3, it can to change alone it, need not to change whole bearing, can effectively reduce use cost, improve resource utilization.
In addition, arc grooves 12 which are the same in number as the connecting shafts 2 and correspond to the connecting shafts one by one are formed in the inner side wall of the outer ring 1 between every two first annular convex edges 10, the outer side walls of the cylindrical rollers 3 are attached to the arc grooves 12, and when the cylindrical rollers are installed, the cylindrical rollers 3 are positioned through the arc grooves 12, so that the matching of the connecting shafts 2 and the cylindrical rollers 3 is guaranteed, and the installation is convenient; two symmetrical positioning pins 41 which are in an integrally formed structure with the upper inner ring 4 are arranged at the bottom of the upper inner ring, two positioning holes 51 which penetrate through the upper inner ring are formed in the top of the lower inner ring 5, the inner diameter size of each positioning hole 51 is matched with the outer diameter size of each positioning pin 41, the positioning pins 41 and the positioning holes 51 are in one-to-one correspondence and are inserted into the positioning holes 51, the upper inner ring 4 and the lower inner ring 5 are positioned through inserting and fixing of the positioning pins 41 and the positioning holes 51, installation is facilitated, and meanwhile installation accuracy of the upper inner ring 4 and the lower inner ring 5 can be effectively guaranteed.
Further, the connecting shaft 2 is in interference fit in the fixing hole 11, and the connecting shaft 2 is prevented from falling off from the fixing hole 11 in the using process.
Specifically, first annular chimb 10 is the integrated into one piece structure with outer lane 1, and second annular chimb 40 is the integrated into one piece structure with last inner circle 4, and third annular chimb 50 is the integrated into one piece structure with lower inner circle 5, and the integrated into one piece structure is convenient for produce, and the product size precision of producing is high, and the integrated into one piece stable in structure, non-deformable damages in the use, long service life.
When the improved double-row cylindrical roller bearing is used, a worker firstly checks the integrity of each part of the bearing; then, sequentially placing the cylindrical rollers 3 at the positions of the arc-shaped grooves 12 between every two adjacent first annular convex edges 10 of the outer ring 1; then, the connecting shaft 2 downwards penetrates through the fixing hole 11 and the adapting hole 30 to install and fix the cylindrical roller 3; then, sleeving the lower inner ring 5 at the lower end position inside the outer ring 1, sleeving the upper inner ring 4 at the upper end position inside the outer ring 1, aligning the positioning pin 41 with the positioning hole 51 during sleeving, inserting the positioning pin 41 into the positioning hole 51 to match the upper inner ring 4 with the lower inner ring 5, penetrating the locking screw 6 through the counter bore 42 and connecting the locking screw in the locking hole 52 in a threaded manner, and locking and fixing the upper inner ring 4 and the lower inner ring 5; in the use process, when the cylindrical roller 3 is damaged, the locking screw 6 is screwed out, the upper inner ring 4 and the lower inner ring 5 are disassembled, the corresponding connecting shaft 2 on the damaged cylindrical roller 3 is disassembled, the cylindrical roller 3 is taken down and independently replaced, and finally, the new cylindrical roller 3, the upper inner ring 4 and the lower inner ring 5 are installed back to the original position according to the operation.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (9)
1. The utility model provides an improvement type double-row cylindrical roller bearing, includes outer lane (1), its characterized in that: the outer ring (1) is characterized in that first annular convex edges (10) are arranged at the top edge, the bottom edge and the middle position of the inner side wall of the outer ring (1), a plurality of fixing holes (11) which are distributed in an annular array and correspond one to one are formed in the top of each first annular convex edge (10), a connecting shaft (2) is fixedly inserted into each fixing hole (11) on the same axis, the outer side wall of each connecting shaft (2) is positioned between every two first annular convex edges (10), cylindrical rollers (3) are rotatably connected with each other, an upper inner ring (4) is arranged at the upper end inside the outer ring (1), the outer side wall of each upper inner ring (4) is attached to each cylindrical roller (3), a second annular convex edge (40) is arranged at the top edge of the outer side wall of each upper inner ring (4), the bottom of each second annular convex edge (40) is attached to each cylindrical roller (3), and a lower inner ring (5) is arranged at the lower end inside the outer ring (1), lower inner circle (5) lateral wall and cylindrical roller (3) laminate mutually, inner circle (5) lateral wall bottom edge is equipped with third annular chimb (50) down, third annular chimb (50) top and cylindrical roller (3) laminate mutually, inner circle (5) top and last inner circle (4) bottom laminate down, just the internal diameter size of inner circle (5) and the internal diameter size looks adaptation of last inner circle (4) down, it fixes on inner circle (5) down through locking screw (6) locking to go up inner circle (4).
2. The improved double-row cylindrical roller bearing as claimed in claim 1, wherein: the first annular convex edge (10) and the outer ring (1) are of an integrally formed structure.
3. The improved double-row cylindrical roller bearing as claimed in claim 1, wherein: the connecting shaft (2) is in interference fit in the fixing hole (11).
4. The improved double-row cylindrical roller bearing as claimed in claim 1, wherein: the cylindrical roller (3) top intermediate position is seted up through-going switching hole (30), the internal diameter size of switching hole (30) and the external diameter size looks adaptation of connecting axle (2), connecting axle (2) pass switching hole (30) and rotate rather than being connected.
5. The improved double-row cylindrical roller bearing as claimed in claim 1, wherein: the outer ring (1) inner side wall is located every two arc grooves (12) which are the same in quantity with the connecting shaft (2) and correspond to the connecting shaft one by one are formed between the first annular convex edges (10), and the outer side wall of the cylindrical roller (3) is attached to the arc grooves (12).
6. The improved double-row cylindrical roller bearing as claimed in claim 1, wherein: the second annular convex edge (40) and the upper inner ring (4) are of an integrally formed structure.
7. The improved double-row cylindrical roller bearing as claimed in claim 1, wherein: the third annular convex edge (50) and the lower inner ring (5) are of an integrated structure.
8. The improved double-row cylindrical roller bearing as claimed in claim 1, wherein: the positioning structure is characterized in that two symmetrical positioning pins (41) which are integrally formed with the upper inner ring (4) are arranged at the bottom of the upper inner ring, two positioning holes (51) which penetrate through the upper inner ring are formed in the top of the lower inner ring (5), the inner diameter of each positioning hole (51) is matched with the outer diameter of each positioning pin (41), and the positioning pins (41) are in one-to-one correspondence with the positioning holes (51) and are inserted into the positioning holes (51).
9. The improved double-row cylindrical roller bearing as claimed in claim 1, wherein: the top of the upper inner ring (4) is provided with a plurality of counter bores (42) distributed in an annular array, the top of the lower inner ring (5) is provided with locking holes (52) which are the same as the counter bores (42) in number and correspond to the counter bores one by one, and the locking screws (6) penetrate through the counter bores (42) and are connected in the locking holes (52) in a threaded mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022967902.6U CN214146266U (en) | 2020-12-11 | 2020-12-11 | Improved double-row cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022967902.6U CN214146266U (en) | 2020-12-11 | 2020-12-11 | Improved double-row cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214146266U true CN214146266U (en) | 2021-09-07 |
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ID=77587000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022967902.6U Expired - Fee Related CN214146266U (en) | 2020-12-11 | 2020-12-11 | Improved double-row cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214146266U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370659A (en) * | 2022-08-05 | 2022-11-22 | 山东瑞新轴承制造有限公司 | Short cylindrical roller bearing with positioning flange on outer ring |
| CN116696936A (en) * | 2023-05-12 | 2023-09-05 | 浙江中精轴承有限公司 | External oiling type tapered roller bearing |
-
2020
- 2020-12-11 CN CN202022967902.6U patent/CN214146266U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115370659A (en) * | 2022-08-05 | 2022-11-22 | 山东瑞新轴承制造有限公司 | Short cylindrical roller bearing with positioning flange on outer ring |
| CN116696936A (en) * | 2023-05-12 | 2023-09-05 | 浙江中精轴承有限公司 | External oiling type tapered roller bearing |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |