CN218760963U - Novel low-speed heavy-load cylindrical roller bearing - Google Patents
Novel low-speed heavy-load cylindrical roller bearing Download PDFInfo
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- CN218760963U CN218760963U CN202223334682.9U CN202223334682U CN218760963U CN 218760963 U CN218760963 U CN 218760963U CN 202223334682 U CN202223334682 U CN 202223334682U CN 218760963 U CN218760963 U CN 218760963U
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- oil storage
- bearing
- cylindrical roller
- outer ring
- raceway
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- 238000005096 rolling process Methods 0.000 claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 10
- 239000004519 grease Substances 0.000 abstract description 24
- 230000001050 lubricating effect Effects 0.000 abstract description 15
- 238000005461 lubrication Methods 0.000 abstract description 4
- 230000004323 axial length Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 35
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 239000010734 process oil Substances 0.000 description 1
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Abstract
The utility model discloses a novel low-speed heavy-load cylindrical roller bearing, which consists of an outer ring, a rolling body, a retainer ring, an inner ring and a sealing cover, wherein a closed annular oil storage tank is arranged in a raceway of the outer ring, and the oil storage tank is positioned in the middle of the axial direction of the raceway of the outer ring; the rolling bodies are double-row rolling bodies, the axial groove width of the oil storage groove is not more than one fifth of the total axial length of the double-row rolling bodies, the oil storage groove is formed in the bearing outer ring raceway and can be used for storing lubricating grease, the lubricating grease in the oil storage groove can continuously enter the bearing raceway to play a role in continuous lubrication in the bearing operation process, and when the oil storage groove is used for large-scale storage machinery, the capacity of the grease storage amount of the lubricating grease in the oil storage groove can be met; the width of the oil storage groove can ensure that the bearing capacity of the bearing is not obviously influenced, and the service life of the bearing cannot be influenced by arranging the oil storage groove in the bearing outer ring raceway because the service rotating speed of the bearing is not high.
Description
Technical Field
The utility model relates to a bearing structure specifically is a cylindrical roller bearing, is applicable to the mechanical rotator that supports the low-speed heavy load.
Background
The cylindrical roller bearing is mainly used for supporting bearings of logistics storage machinery and various track translation devices, the rotating speed of the outer ring and the rotating speed of the rolling body of the bearing are generally not too high when the cylindrical roller bearing is used, but the cylindrical roller bearing can bear hundreds of kilograms of radial loads or even tons of radial loads to perform uninterrupted reciprocating motion, and the bearing is sometimes exposed in a severe natural environment, so that the requirements on the rotating precision and the vibration noise of the bearing are not high, but the requirements on sealing and lubricating are high.
In order to ensure the service life of the cylindrical roller wheel bearing and ensure that the cylindrical roller wheel bearing works smoothly and is not worn, the rotating speed of the cylindrical roller wheel bearing is considered to be lower, so that the cylindrical roller wheel bearing for the logistics machinery adopts grease lubrication. When the cylindrical roller bearing is used on a conventional or small machine, grease can be filled through the oil filling hole, but when the cylindrical roller bearing is used on a large storage machine, the large storage machine does not have the condition of regular grease filling, so that the grease is not generally added again in the use process, and a higher requirement is provided for the capability of maintaining the grease storage amount of the grease in the bearing in the service life.
The prior cylindrical roller bearing generally fills lubricating grease through an oil filling hole on a bearing inner ring, which requires that an oil filling groove is arranged at a corresponding position of a bearing shaft of equipment so as to fill lubricating grease into the bearing through an oil hole at the corresponding position of the bearing inner ring, and the lubricating grease filling mode has the problems that: the oil injection groove arranged on the bearing shaft can reduce the strength and the service life of the bearing shaft, and grease needs to be regularly filled into the bearing, so that the operation is complicated.
The bearing disclosed in the document with the Chinese patent publication No. CN106224368A and the name of cylindrical roller bearing fills the whole roller path with the rolling body, and the outer ring and the rolling body are combined into a whole, so that the bearing can resist heavy load and impact and can rotate flexibly.
In order to improve the sealing performance of the bearing, a first rib is arranged on the inner side of an outer ring and is arranged at one end of a roller, the first rib is provided with a first groove, the other end of the roller, corresponding to the first rib, is provided with a second groove, an inner ring is provided with a second rib and a third rib, the second rib and the third rib are respectively arranged at two ends of the roller, the first rib of the outer ring and the second and third ribs of the inner ring form a relatively sealed space, but the bearing does not relate to a mode of filling lubricating grease.
Disclosure of Invention
The utility model aims to solve current cylindrical roller bearing when being used for large-scale storage machinery, can not provide a novel low-speed heavy load cylindrical roller bearing through the problem that bears the regular filling lubricating grease of axle, need not to just can realize its lubricated requirement at the epaxial fluting oiling of bearing.
In order to achieve the above object, the utility model adopts the following technical scheme: the rolling bearing comprises an outer ring, a rolling body, a retainer ring, an inner ring and a sealing cover, wherein a closed annular oil storage tank is arranged in a raceway of the outer ring, and the oil storage tank is positioned in the axial middle of the raceway of the outer ring.
The rolling element is the biserial rolling element, and the axial groove width of oil storage tank is no longer than one fifth of biserial rolling element axial overall length.
The depth of the oil storage groove in the radial direction is not more than the axial groove width of the oil storage groove.
The radial section of the oil storage tank is square, and the width of the tank at the notch is the same as that of the tank at the bottom.
The radial section of the oil storage tank is trapezoidal, and the width of the tank at the tank opening is larger than that of the tank bottom.
The utility model adopts the above technical scheme the prominent advantage is:
1. the utility model discloses seted up the oil storage tank in the bearing inner race raceway, this oil storage tank can be used for storing lubricating grease, and the lubricating grease in the bearing operation in-process oil storage tank can constantly get into and play the effect of continuous lubrication in the bearing raceway. Meanwhile, when the lubricating grease is used for large-scale storage machinery, the grease storage capacity of the lubricating grease inside the large-scale storage machinery can be met.
2. The width of the oil storage groove is not more than one fifth of the total length of the bearing rolling body, and the bearing capacity of the bearing can be ensured not to be obviously influenced. Meanwhile, the service speed of the bearing is not high, so that the service life of the bearing cannot be influenced by arranging the oil storage tank in the raceway of the outer ring of the bearing.
Drawings
The invention is described in further detail below with reference to the following figures and embodiments:
fig. 1 is an axial cross-sectional view of the present invention;
FIG. 2 is a block diagram of a first embodiment of the outer race of FIG. 1;
FIG. 3 is a block diagram of a second embodiment of the outer race of FIG. 1;
in the figure: 1. an outer ring; 2. a rolling body; 3. a retainer ring; 4. an inner ring; 5. a sealing cover; 6. an oil storage tank.
Detailed Description
Referring to fig. 1, the utility model discloses constitute by outer lane 1, rolling element 2, retaining ring 3, inner circle 4, sealed cowling 5, arrange rolling element 2 in the raceway between outer lane 1 and the inner circle 4, rolling element 2 is the biserial rolling element. The inner circumference of the rolling body 2 is provided with an inner ring 4, two axial ends of the rolling body 2 are respectively provided with a retaining ring 3, so that two retaining rings 3 are provided, the two retaining rings 3 have the same structure, and the retaining rings 3 are tightly attached to two axial end surfaces of the rolling body 2. The outer diameter of the retainer ring 3 is smaller than the inner diameter of the flanges at the two ends of the raceway of the outer ring 1, and the retainer ring 3 and the flanges at the two sides of the raceway of the outer ring 1 limit the axial movement of the rolling body 2 together.
The two axial ends of the outer ring 1 are respectively provided with a sealing cover 5, the two sealing covers 5 are totally the same, and the sealing covers 5 have the same structure and play a role in sealing, preventing dust and limiting the movement of the retainer ring 3 in the process of bearing packaging and transportation.
An oil storage tank 6 is arranged in the raceway of the outer ring 1, the oil storage tank 6 is in a closed ring shape and is arranged along the inner surface of the raceway of the outer ring 1 in a circle, the oil storage tank 6 is positioned in the axial middle of the raceway of the outer ring 1, the direction of the central shaft of the outer ring 1 is the groove width direction of the oil storage tank 6, and the groove width of the oil storage tank 6 is not more than one fifth of the axial total length of the double-row rolling bodies 2. For example, when the axial length of the single row rolling elements 2 is 11mm, the total axial length of the double row rolling elements 2 is 22mm, and the groove width of the oil reservoir 6 can be designed to be 4mm.
The center of the oil storage tank 6 is deviated from the axial right middle of the raceway of the outer ring 1 by no more than 0.1mm.
The diameter direction of the outer ring 1 is the depth direction of the oil storage tank 6, and the depth of the oil storage tank 6 in the radial direction is not more than the width of the oil storage tank 6.
Referring to fig. 2, the radial cross-sectional shape of the oil reservoir 6 may be square, i.e., the width at the notch and the groove of the oil reservoir 6 is the same.
Referring to fig. 3, the radial cross-sectional shape of the oil reservoir 6 may be a trapezoid, in which the width at the groove opening of the oil reservoir 6 is greater than the width at the groove bottom, forming a trapezoid in which the groove opening is wider and the groove bottom is narrower.
The utility model discloses the during operation, because there is not the oil filler point on the inner circle 4, when filling lubricating grease, need not to set up the oil groove in the pivot, through the lubricating grease of the sufficient volume of the 6 reserves of oil storage tank on outer lane 1, when being used for large-scale storage machinery not to possess the condition of regularly annotating the fat, the grease volume in the oil storage tank 6 can maintain its inside lubrication.
Claims (8)
1. The utility model provides a novel low-speed heavy load cylindrical roller gyro wheel bearing, its comprises outer lane (1), rolling element (2), retaining ring (3), inner circle (4) and sealed cowling (5), characterized by: a closed annular oil storage tank (6) is arranged in the raceway of the outer ring (1), and the oil storage tank (6) is positioned in the axial middle of the raceway of the outer ring (1).
2. The novel low-speed heavy-duty cylindrical roller bearing according to claim 1, wherein: the rolling bodies (2) are double-row rolling bodies, and the axial groove width of the oil storage groove (6) is not more than one fifth of the axial total length of the double-row rolling bodies (2).
3. The novel low-speed heavy-duty cylindrical roller bearing according to claim 2, wherein: the depth of the oil storage tank (6) in the radial direction is not more than the axial groove width of the oil storage tank (6).
4. The novel low-speed heavy-duty cylindrical roller bearing according to claim 1, wherein: the radial section of the oil storage tank (6) is square, and the width of the tank at the tank opening is the same as that of the tank at the tank bottom.
5. The novel low-speed heavy-duty cylindrical roller bearing according to claim 1, characterized in that: the radial section of the oil storage tank (6) is trapezoidal, and the width of the tank at the tank opening is larger than that of the tank at the tank bottom.
6. The novel low-speed heavy-duty cylindrical roller bearing according to claim 1, wherein: the center of the oil storage tank (6) deviates from the axial right middle of the raceway of the outer ring (1) by no more than 0.1mm.
7. The novel low-speed heavy-duty cylindrical roller bearing according to claim 1, wherein: two axial ends of the rolling body (2) are respectively and tightly attached with a retaining ring (3), and the outer diameter of each retaining ring (3) is smaller than the inner diameter of the retaining sides at two ends of the raceway of the outer ring 1.
8. The novel low-speed heavy-duty cylindrical roller bearing according to claim 1, wherein: two axial ends of the outer ring (1) are respectively provided with a sealing cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223334682.9U CN218760963U (en) | 2022-12-12 | 2022-12-12 | Novel low-speed heavy-load cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223334682.9U CN218760963U (en) | 2022-12-12 | 2022-12-12 | Novel low-speed heavy-load cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218760963U true CN218760963U (en) | 2023-03-28 |
Family
ID=85681284
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223334682.9U Active CN218760963U (en) | 2022-12-12 | 2022-12-12 | Novel low-speed heavy-load cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218760963U (en) |
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2022
- 2022-12-12 CN CN202223334682.9U patent/CN218760963U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A new type of low-speed heavy-duty cylindrical roller bearing Granted publication date: 20230328 Pledgee: Industrial Bank Co.,Ltd. Zhenjiang Branch Pledgor: ZHENJIANG FEIYA BEARING Co.,Ltd. Registration number: Y2024980027894 |