CN221074999U - Guide type light series tapered roller bearing - Google Patents
Guide type light series tapered roller bearing Download PDFInfo
- Publication number
- CN221074999U CN221074999U CN202322687609.8U CN202322687609U CN221074999U CN 221074999 U CN221074999 U CN 221074999U CN 202322687609 U CN202322687609 U CN 202322687609U CN 221074999 U CN221074999 U CN 221074999U
- Authority
- CN
- China
- Prior art keywords
- ring
- groups
- tapered roller
- inner ring
- bearing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000007789 sealing Methods 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 9
- 229920001875 Ebonite Polymers 0.000 claims description 10
- 229920000459 Nitrile rubber Polymers 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 229920003225 polyurethane elastomer Polymers 0.000 claims description 3
- 238000003754 machining Methods 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000005096 rolling process Methods 0.000 description 6
- 239000003921 oil Substances 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012938 design process Methods 0.000 description 1
- 230000000368 destabilizing effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000009347 mechanical transmission Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Landscapes
- Rolling Contact Bearings (AREA)
Abstract
The utility model provides a guide type light-series tapered roller bearing, which belongs to the technical field of mechanical bearings and aims to solve the problems that when a shaft with insufficient machining precision is encountered, the conventional guide type light-series tapered roller bearing cannot fully support the rotation of the shaft and reduce friction, so that the risk of instability of a rotating shaft in the rotating process is caused, and the guide type light-series tapered roller bearing comprises a bearing outer ring, a conical roller, an inner ring shell, an anti-twisting mechanism and an extension mechanism; the inner surface of the bearing outer ring is provided with a groove; the inner ring shell is arranged on the inner sides of the two groups of roller retainers, and grooves are formed in the outer surface of the inner ring shell; the conical rollers are in a plurality of groups, and the plurality of groups of conical rollers slide between grooves on the outer surface of the inner ring shell and grooves on the inner surface of the outer ring of the bearing; the anti-twisting mechanism is arranged on the inner side of the bearing outer ring; the extension mechanism is arranged on the inner side of the inner ring shell. The utility model has the advantages of improving the friction force between the guide type light series tapered roller bearing and the shaft and improving the sealing effect of the supporting sealing ring.
Description
Technical Field
The utility model belongs to the technical field of mechanical bearings, and particularly relates to a guide type light-series tapered roller bearing.
Background
The guide type light-series tapered roller bearing is suitable for high-precision low-rotation-speed use scenes, the width of the guide type light-series tapered roller bearing is narrower than that of a standard bearing, the guide type light-series tapered roller bearing consists of an outer ring, an inner ring, a sealing ring, tapered rollers and a retainer, the retainer adopts a stamping retainer or a strut retainer, the outer ring is free of flanges, the inner ring is of a double-flange structure, the axial load of the inner ring is borne by the flanges of the inner ring, when the sealing ring is installed, the sealing ring is pressed into a seat hole by a special tool, and a lip edge of the sealing ring can smoothly pass through a spline part by using a cylindrical tool, the guide type light-series tapered roller bearing supports a mechanical rotator, so that the friction coefficient of mechanical load of equipment in the transmission design process is reduced, and the guide type light-series tapered roller bearing is a part for fixing and reducing the friction coefficient of load in the mechanical transmission development process, and is a precise mechanical element for reducing the friction coefficient in the power transmission process and keeping the center position of a shaft fixed.
The prior application number is: CN202222191336.3 is a reinforcing guide type light series tapered roller bearing, and relates to the technical field of mechanical bearings. In order to solve the problems that the prior light-series tapered roller bearing has extremely small roller cone angle, long distance between the extension lines of the inner and outer raceways and the central line of the bearing, poor stability in the process of roller rotation, and extremely small axial dimension due to relatively large overall radial dimension of the bearing, and small overall rigidity and easy deformation of the retainer, and further the bearing is easy to generate early failure. The middle part of the outer surface of the inner ring is uniformly provided with an annular groove along the circumferential direction, the inner bottom surface of the annular groove is provided with a slope, the inner ring is sleeved with a retainer, the section of the retainer is Z-shaped, the retainer is embedded with a plurality of rolling bodies along the circumferential direction, the bottom of the outer surface of the rolling bodies is in rolling contact with the bottom surface of the annular groove on the outer surface of the inner ring, the outer surface of the retainer is sleeved with an outer ring, and the top of the outer surface of the rolling bodies on the retainer is in rolling contact with the inner slope of the outer ring. The utility model is suitable for the bearing.
Based on the above, when the guiding type light series tapered roller bearing is in friction connection with the rotating shaft rotating in one direction, the rotating force is changed into rolling force, the friction coefficient in the power transmission process is reduced, the rotating shaft is kept at a correct position, when some shafts with insufficient machining precision are encountered, the guiding type light series tapered roller bearing is narrower than the standard bearing width, the friction force between the guiding type light series tapered roller bearing and the rotating shaft is insufficient and cannot support the rotation of the guiding type light series tapered roller bearing completely, the friction is reduced, and the risk of destabilizing the rotating shaft in the rotating process is also caused.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a guide type light-series tapered roller bearing, which solves the problems that when a shaft with insufficient machining precision is encountered, the width of the guide type light-series tapered roller bearing is narrower than that of a standard bearing, so that the friction force between the guide type light-series tapered roller bearing and a rotating shaft is insufficient to completely support the rotation of the guide type light-series tapered roller bearing and reduce friction, and the rotating shaft is unstable in the rotating process.
The utility model discloses a guiding type light series tapered roller bearing, which is characterized by comprising the following specific technical means:
A guiding type light series tapered roller bearing comprises a bearing outer ring, an oil filling port, tapered rollers, a roller retainer, an inner ring shell, an anti-twisting mechanism and an extension mechanism;
the inner surface of the bearing outer ring is provided with a groove;
the oil filling port is arranged at the outer side of the bearing outer ring;
The two groups of roller retainers are arranged in the bearing outer ring, and are of a ring structure provided with a plurality of groups of rectangular hollowed-out parts;
The inner ring shell is arranged on the inner sides of the two groups of roller retainers, the inner ring shell is of a hollow annular structure, and a groove is formed in the outer surface of the inner ring shell;
The conical rollers are multiple groups, the multiple groups of conical rollers slide between grooves on the outer surface of the inner ring shell and grooves on the inner surface of the outer ring of the bearing, and the multiple groups of conical rollers are arranged in rectangular hollows in the two groups of roller retainers;
the anti-twisting mechanism is arranged on the inner side of the bearing outer ring;
The extension mechanism is arranged on the inner side of the inner ring shell.
Further, the extension mechanism includes an inner race mount;
the inner ring mounting piece is fixedly connected to the inner side of the inner ring shell, and the inner ring mounting piece is of an annular structure.
Further, the extension mechanism further comprises a cylindrical sleeve;
The cylindrical sleeve is fixedly connected to the inner side of the inner ring mounting piece, and four inclined arc-shaped notches are formed in the periphery of the cylindrical sleeve.
Further, the extension mechanism further comprises an extension ring and a positioning shaft;
The two groups of extension rings are arranged on the inner side of the cylindrical sleeve;
The four groups of positioning shafts slide in the four arc-shaped notches of the cylindrical sleeve, and the four groups of positioning shafts are fixedly connected with the two groups of extension rings respectively.
Further, the anti-twisting mechanism comprises a supporting sealing ring and a hard rubber ring;
The supporting sealing ring is arranged on the inner side of the bearing outer ring, the supporting sealing ring is of a hooked curled ring structure, and the supporting sealing ring is made of nitrile rubber material;
The hard rubber ring is arranged on the inner side of the supporting sealing ring and is of an annular structure made of polyurethane rubber.
Compared with the prior art, the utility model has the following beneficial effects:
According to the utility model, through the arrangement of the extension mechanism, when a plurality of shafts with insufficient machining precision rotate unidirectionally, the shafts can slide out outwards through the cylindrical sleeve and the inner ring mounting piece during rotation, so that the contact area between the guide type light series tapered roller bearing and the shafts is increased, the friction force is improved, and the risk of instability of the rotating shafts in the rotation process is reduced.
According to the utility model, through the arrangement of the anti-twisting mechanism, the set of hard rubber rings are arranged inside the support sealing ring to prevent the deformation of the support sealing ring, so that the sealing effect of the support sealing ring is improved.
The utility model has the advantages of increasing the contact area between the guide type light series tapered roller bearing and the shaft, improving the friction force between the guide type light series tapered roller bearing and the shaft, reducing the risk of rotation instability of the rotating shaft, improving the sealing effect of the supporting sealing ring and increasing the durability of the supporting sealing ring.
Drawings
Fig. 1 is a schematic view of the overall structure of the present utility model.
Fig. 2 is a schematic view of the inner race housing and bearing outer race structure of the present utility model.
Fig. 3 is a schematic view of the tapered roller and roller cage structure of the present utility model.
Fig. 4 is a schematic view of the structure of the extension mechanism of the present utility model.
Fig. 5 is a schematic view of an exploded extension mechanism of the present utility model.
Fig. 6 is a schematic structural view of the anti-twisting mechanism of the present utility model.
Fig. 7 is a schematic structural view of an exploded anti-twisting mechanism according to the present utility model.
In the figure, the correspondence between the component names and the drawing numbers is:
1. a bearing outer ring; 101. an oil filling port; 2. supporting a sealing ring; 201. a hard rubber ring; 3. conical rollers; 4. a roller cage; 5. an inner ring housing; 6. an inner ring mounting member; 7. a cylindrical sleeve; 8. an extension ring; 9. and positioning the shaft.
Detailed Description
Embodiments of the present utility model are described in further detail below with reference to the accompanying drawings and examples. The following examples are illustrative of the utility model but are not intended to limit the scope of the utility model.
Embodiment one:
As shown in fig. 1 to 5:
The utility model provides a guide type light-series tapered roller bearing, which comprises a bearing outer ring 1, an oil filling port 101, a tapered roller 3, a roller retainer 4, an inner ring shell 5 and an extension mechanism;
The inner surface of the bearing outer ring 1 is provided with a groove;
The oil filling port 101 is arranged at the outer side of the bearing outer ring 1;
The two groups of roller retainers 4 are arranged in the bearing outer ring 1, and the two groups of roller retainers 4 are of a ring structure with a plurality of groups of rectangular hollowed-out parts;
The inner ring shell 5 is arranged on the inner sides of the two groups of roller retainers 4, the inner ring shell 5 is of a hollow annular structure, and a groove is formed in the outer surface of the inner ring shell 5;
The conical rollers 3 are multiple groups, the multiple groups of conical rollers 3 slide between grooves on the outer surface of the inner ring shell 5 and grooves on the inner surface of the bearing outer ring 1, and the multiple groups of conical rollers 3 are arranged in rectangular hollows in the two groups of roller retainers 4;
the extension mechanism is arranged inside the inner ring housing 5.
Wherein the extension mechanism comprises an inner ring mounting member 6;
The inner ring mounting piece 6 is fixedly connected to the inner side of the inner ring shell 5, and the inner ring mounting piece 6 is of an annular structure.
Wherein the extension mechanism further comprises a cylindrical sleeve 7;
The cylindrical sleeve 7 is fixedly connected to the inner side of the inner ring mounting piece 6, and four inclined arc-shaped notches are formed in the periphery of the cylindrical sleeve 7.
Wherein the extension mechanism further comprises an extension ring 8 and a positioning shaft 9;
the two groups of extension rings 8 are arranged on the inner side of the cylindrical sleeve 7;
The four groups of positioning shafts 9 are arranged, the four groups of positioning shafts 9 slide in the four arc-shaped notches of the cylindrical sleeve 7, and the four groups of positioning shafts 9 are fixedly connected with the two groups of extension rings 8 respectively.
Specific use and action of the first embodiment:
when encountering a plurality of unidirectional rotating shafts with insufficient machining precision, the guide type light series tapered roller bearings are connected with the shafts, the shafts rotate to drive the cylindrical sleeves 7 to rotate, the cylindrical sleeves 7 rotate to drive the inner ring mounting pieces 6 to rotate, the inner ring mounting pieces 6 rotate to drive the two groups of extension rings 8 to slide outwards, the contact area between the guide type light series tapered roller bearings and the shafts is increased by the two groups of extension rings 8 sliding outwards, friction force is improved, the phenomenon that the guide type light series tapered roller bearings cannot fully support unidirectional rotation of the shafts and friction is reduced is avoided, the risk of instability of the rotating shafts in the rotating process is reduced, meanwhile, the cylindrical sleeves 7 rotate to drive a plurality of groups of tapered rollers 3 to slide between grooves on the outer surface of the inner ring shell 5 and grooves on the inner surface of the bearing outer ring 1, friction of the shafts in the rotating process is reduced, and the shaft rotates more stably.
Embodiment two:
on the basis of the first embodiment, as shown in fig. 1 to 7, the anti-twisting mechanism is further included, and is disposed inside the bearing outer ring 1.
Wherein, the anti-twisting mechanism comprises a supporting sealing ring 2 and a hard rubber ring 201;
The supporting sealing ring 2 is arranged on the inner side of the bearing outer ring 1, the supporting sealing ring 2 is of a hooked curled ring structure, and the supporting sealing ring 2 is made of nitrile rubber material;
The hard rubber ring 201 is disposed inside the support seal ring 2, and the hard rubber ring 201 is a ring-shaped structure made of polyurethane rubber.
Specific use and action of the second embodiment:
When the support seal ring 2 of the guide type light series tapered roller bearing is assembled, the support seal ring 2 is pressed into the inner sides of the bearing outer ring 1 and the inner ring shell 5 of the guide type light series tapered roller bearing by using a special machine, and because the support seal ring 2 is of a circular ring structure made of nitrile rubber materials, distortion deformation easily occurs when the support seal ring 2 is pressed into the inner sides of the bearing outer ring 1 and the inner ring shell 5, so that the condition that lubricating oil in the guide type light series tapered roller bearing leaks is caused.
Claims (5)
1. The guide type light-series tapered roller bearing comprises a bearing outer ring (1), an oil filling port (101), a tapered roller (3), a roller retainer (4), an inner ring shell (5), an anti-twisting mechanism and an extension mechanism; the inner surface of the bearing outer ring (1) is provided with a groove; the oil filling port (101) is arranged at the outer side of the bearing outer ring (1); the method is characterized in that: the two groups of roller retainers (4) are arranged in the bearing outer ring (1); the inner ring shell (5) is arranged on the inner sides of the two groups of roller retainers (4), grooves are formed in the outer surface of the inner ring shell (5), and the inner ring shell (5) is of an annular hollow structure; the anti-twisting mechanism is arranged on the inner side of the bearing outer ring (1), and the extension mechanism is arranged on the inner side of the inner ring shell (5); the conical rollers (3) are arranged in a plurality of groups, the conical rollers (3) slide between grooves on the outer surface of the inner ring shell (5) and grooves on the inner surface of the bearing outer ring (1), and the conical rollers (3) are arranged in rectangular hollows in the two groups of roller retainers (4).
2. A guided light-weight tapered roller bearing according to claim 1, wherein: the extension mechanism comprises an inner ring mounting (6); the inner ring mounting piece (6) is fixedly mounted on the inner side of the inner ring shell (5), and the inner ring mounting piece (6) is of an annular structure.
3. A guided light-weight tapered roller bearing according to claim 2, wherein: the extension mechanism further comprises a cylindrical sleeve (7); the cylindrical sleeve (7) is fixedly arranged on the inner side of the inner ring mounting piece (6), and four inclined arc-shaped notches are formed in the periphery of the cylindrical sleeve (7).
4. A guided light-weight tapered roller bearing according to claim 2, wherein: the extension mechanism further comprises an extension ring (8) and a positioning shaft (9); the two groups of extension rings (8) are arranged on the inner side of the cylindrical sleeve (7); the four groups of positioning shafts (9) are respectively fixedly installed with the two groups of extension rings (8), and the four groups of positioning shafts (9) respectively slide in the four arc-shaped notches of the cylindrical sleeve (7).
5. A guided light-weight tapered roller bearing according to claim 1, wherein: the anti-twisting mechanism comprises a supporting sealing ring (2) and a hard rubber ring (201); the supporting sealing ring (2) is arranged on the inner side of the bearing outer ring (1), the supporting sealing ring (2) is of a hooked curled ring structure, and the supporting sealing ring (2) is made of nitrile rubber material; the hard rubber ring (201) is arranged on the inner side of the supporting sealing ring (2), and the hard rubber ring (201) is of an annular structure made of polyurethane rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322687609.8U CN221074999U (en) | 2023-10-08 | 2023-10-08 | Guide type light series tapered roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322687609.8U CN221074999U (en) | 2023-10-08 | 2023-10-08 | Guide type light series tapered roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221074999U true CN221074999U (en) | 2024-06-04 |
Family
ID=91265597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322687609.8U Active CN221074999U (en) | 2023-10-08 | 2023-10-08 | Guide type light series tapered roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221074999U (en) |
-
2023
- 2023-10-08 CN CN202322687609.8U patent/CN221074999U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10859113B2 (en) | Bearing arrangement for fluid machinery application | |
| CN221074999U (en) | Guide type light series tapered roller bearing | |
| CN201106625Y (en) | Locating bearing for high speed aluminium foil mill | |
| CN216618260U (en) | Non-chip long-life roller bearing | |
| CN213360849U (en) | Novel center-adjustable turntable bearing | |
| CN210106426U (en) | Inner ring connecting device of double-row cylindrical roller bearing | |
| CN214367256U (en) | Multi-row composite bearing | |
| CN115045908B (en) | High-precision low-friction turntable bearing | |
| CN221195725U (en) | Ball screw supporting bearing | |
| CN220791800U (en) | High-rotation-speed high-rigidity turntable bearing | |
| CN216975501U (en) | Bearing assembly and planet bearing assembly | |
| CN216241820U (en) | Angular contact bearing | |
| CN211174996U (en) | High-speed precision turntable bearing | |
| CN219366578U (en) | Combined bidirectional bearing | |
| CN113090651B (en) | Double-row tapered roller shaft-connecting bearing, manufacturing method and application thereof | |
| CN216788994U (en) | Bidirectional thrust cylindrical roller combined bearing | |
| CN216519171U (en) | Special double-row thrust angular contact ball bearing with high precision | |
| CN215058887U (en) | Retainer expansion-free tapered roller bearing | |
| CN219692018U (en) | Nylon retainer with steel skeleton for thrust cylindrical roller bearing | |
| CN221723225U (en) | Dust-proof bearing structure | |
| CN110541885B (en) | Turntable bearing with high limit rotating speed | |
| CN211599275U (en) | Self-lubricating tapered roller bearing | |
| CN213929162U (en) | Novel double-row angular contact ball bearing | |
| CN212899396U (en) | Automatic double-row angular contact ball bearing of aligning | |
| CN214331226U (en) | Bearing for damper |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |