CN107725607A - A kind of combined type Biserial cylindrical roller bearing - Google Patents
A kind of combined type Biserial cylindrical roller bearing Download PDFInfo
- Publication number
- CN107725607A CN107725607A CN201711178684.4A CN201711178684A CN107725607A CN 107725607 A CN107725607 A CN 107725607A CN 201711178684 A CN201711178684 A CN 201711178684A CN 107725607 A CN107725607 A CN 107725607A
- Authority
- CN
- China
- Prior art keywords
- bearing
- cylindrical roller
- clamping
- guide rail
- roller
- 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.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/583—Details of specific parts of races
- F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/30—Parts of ball or roller bearings
- F16C33/34—Rollers; Needles
Abstract
The present invention relates to field of bearings, more particularly to a kind of combined type Biserial cylindrical roller bearing.Bearing monomer includes bearing inner race, bearing outer ring and roller, roller is folded between the bearing inner race outer surface and bearing outer ring inner surface, bearing inner race outer surface is provided with depressed area with bearing outer ring inner surface at roller position, alternatively distributed clamping projection and clamping guide rail are provided with the side wall of bearing outer ring both sides, clamping is raised and clamping guide rail is on same circumference, roller is cylindrical roller, one end diameter of cylindrical roller is gradually reduced, and the radius of curvature of the raceway side opposite with one end that cylindrical roller diameter is gradually reduced gradually increases.When in use, the number of bearing monomer is selected to be adapted to according to the size of required bearing, two bearing monomers are attached on a side surface by the way that clamping is raised with clamping guide rail, meets the needs of different dimensioned bearings, by the diameter for reducing cylindrical roller, the centrifugal force of cylindrical roller is reduced, precision stability improves.
Description
Technical field
The present invention relates to field of bearings, more particularly to a kind of combined type Biserial cylindrical roller bearing.
Background technology
At present, to the Biserial cylindrical roller bearing of lathe spindle supporting, domestic bearing mnanufacture producer is substantially to bearing
Cylindrical roller and lasso raceway be still traditional linear pattern, the bearing capacity and service life of bearing are undesirable, more general
Used on lathe and market in repair service.Inter_curve between cylindrical roller and raceway is straight line, to the substantial amounts of solution of failing bearings
Subdivision analysis finds that lasso raceway and cylindrical roller are essentially all that fatigue flake occurs for middle part when kind of bearings fails.Also, axle
Hold in operation process, cylindrical roller can produce huge centrifugal force, and the centrifugal force of cylindrical roller can be very big to bearing generation
Contact stress, aggravate the temperature rise and abrasion of bearing, reduce the service life of bearing.Connecing between cylindrical roller end face and rib
The geometry of contacting surface is also to form the factor of high torque (HT), and a kind of corresponding equipment of bearing of model, in equipment bearing
It during damage, the new bearing to be replaced such as can only shut down, reduce operating efficiency and cause cost to waste.
The content of the invention
The technical problems to be solved by the invention are to provide a kind of combined type Biserial cylindrical roller bearing, solve traditional bearing
Can not be general the problem of.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of combined type Biserial cylindrical roller bearing, including
At least one bearing monomer；
The bearing monomer includes bearing inner race, bearing outer ring and roller, and the roller is folded in outside the bearing inner race
Between surface and the bearing outer ring inner surface, the bearing inner race outer surface is with the bearing outer ring inner surface in the roller
Opening position is provided with depressed area, and alternatively distributed clamping projection and clamping guide rail are provided with the side wall of the bearing outer ring both sides,
The clamping is raised and clamping guide rail is on same circumference, and the roller is cylindrical roller, one end diameter of the cylindrical roller
It is gradually reduced, the radius of curvature of the raceway side opposite with one end that cylindrical roller diameter is gradually reduced gradually increases.
The beneficial effect brought is：So, when in use, according to the size of required bearing come select the number of bearing monomer come
To be adapted to, two bearing monomers are attached on a side surface by the way that clamping is raised with clamping guide rail, meet different size axis
The demand held, by reducing the diameter of cylindrical roller, reduce the centrifugal force of cylindrical roller so that bearing is loading axle and casing
Raceway deformation is reduced during hole, and precision stability improves.
Further, the clamping is raised and clamping guide rail is arranged alternately every 60 degree, the clamping projection and clamping guide rail
Maximum length is no more than the 1/12 of circumference overall length.
The beneficial effect brought is：Limit clamping projection and clamping guide rail maximum length be no more than the 1/12 of circumference overall length,
To ensure that two bearing monomers when docking, can be good at being adapted to, will not lead to not connect because of oversized, long
Connect two bearing monomers.
Further, the clamping rail length is more than the raised length of the clamping.
The beneficial effect brought is：So, clamping rail length is more than the raised length of the clamping, and clamping guide rail can be with
Covering clamping is raised well.
Further, the clamping guide rail has block in side end set, and the block is fixed with the clamping guide rail to be connected
Connect or integrally formed.
The beneficial effect brought is：So, block can be very good to the raised progress position restriction of clamping, to ensure two
The relative position of bearing monomer, also effectively prevent two bearing monomers from excessively causing to come off due to rotating.
Further, the clamping is raised identical with the radian of the clamping guide rail.
The beneficial effect brought is：Clamping is raised identical with the radian of the clamping guide rail, considerably increases two bearings
The suitability of monomer.
Further, the thickness of the bearing monomer is 5mm.
The beneficial effect brought is：The size of bearing monomer is relatively small, and range of fit is just corresponding larger, in the application
In, the bearing of different-thickness can also be used to be adapted to.
Further, the cylinder outline line of one end that the cylindrical roller diameter is gradually reduced is bent for outwardly logarithm
Line, the roller surface contour line that the raceway radius of curvature gradually increases also are outwardly logarithmic curve.
Brief description of the drawings
Fig. 1 is a kind of cross section structure schematic diagram of combined type Biserial cylindrical roller bearing of the present invention.
In accompanying drawing, the list of parts representated by each label is as follows：
1st, bearing inner race, 2, bearing outer ring, 3, roller, 4, clamping it is raised, 5, clamping guide rail.
Embodiment
The principle and feature of the present invention are described below in conjunction with accompanying drawing, the given examples are served only to explain the present invention, and
It is non-to be used to limit the scope of the present invention.
In the description of the invention, it is to be understood that term " on ", " under ", " " center ", " interior ", " outer ", " top ",
The orientation or position relationship of instructions such as " bottoms " are based on orientation shown in the drawings or position relationship, are for only for ease of and describe this hair
It is bright and simplify description, rather than instruction or imply that signified device or element must have specific orientation, with specific orientation
Construction and operation, therefore be not considered as limiting the invention.
In the description of the invention, it is necessary to illustrate, unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or electrical connection；Can be joined directly together, can also be indirectly connected by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, with concrete condition above-mentioned term can be understood at this
Concrete meaning in invention.
As shown in figure 1, the present invention provides a kind of combined type Biserial cylindrical roller bearing, including at least one bearing monomer；
The bearing monomer includes bearing inner race 1, bearing outer ring 2 and roller 3, and the roller 3 is folded in the bearing
Enclose between 1 outer surface and the inner surface of the bearing outer ring 2, the outer surface of bearing inner race 1 exists with the inner surface of bearing outer ring 2
The opening position of roller 3 is provided with depressed area, and alternatively distributed clamping projection 4 is provided with the both sides side wall of bearing outer ring 2
With clamping guide rail 5, clamping projection 4 and clamping guide rail 5 are on same circumference, and the roller 3 is cylindrical roller 3, the circle
One end diameter of post roller 3 is gradually reduced, the song of the raceway side opposite with one end that the diameter of cylindrical roller 3 is gradually reduced
Rate radius gradually increases.
The beneficial effect brought is：So, when in use, according to the size of required bearing come select the number of bearing monomer come
To be adapted to, two bearing monomers are attached on a side surface by clamping projection 4 and clamping guide rail 5, meet different sizes
The demand of bearing, by reducing the diameter of cylindrical roller 3, reduce the centrifugal force of cylindrical roller 3 so that bearing load axle and
Raceway deformation is reduced during box body hole, and precision stability improves.
The combined type Biserial cylindrical roller bearing of the present invention, as shown in figure 1, on the basis of previously described technical scheme
It can also be：The clamping projection 4 and clamping guide rail 5 are arranged alternately every 60 degree, and the clamping projection 4 and clamping guide rail 5 are most
Long length is no more than the 1/12 of circumference overall length.
The beneficial effect brought is：Limit clamping projection 4 and the maximum length of clamping guide rail 5 is no more than the 1/ of circumference overall length
12, to ensure that two bearing monomers when docking, can be good at being adapted to, will not cause nothing because of oversized, long
Method connects two bearing monomers.
The combined type Biserial cylindrical roller bearing of the present invention, as shown in figure 1, on the basis of previously described technical scheme
It can also be：The length of clamping guide rail 5 is more than the length of the clamping projection 4.
The beneficial effect brought is：So, the length of clamping guide rail 5 is more than the length of the clamping projection 4, clamping guide rail 5
It can be very good to cover clamping projection 4.
The combined type Biserial cylindrical roller bearing of the present invention, as shown in figure 1, on the basis of previously described technical scheme
It can also be：The clamping guide rail 5 has a block in side end set, the block be fixedly connected with the clamping guide rail 5 or
It is integrally formed.
The beneficial effect brought is：So, block can be very good to carry out position restriction to clamping projection 4, to ensure two
The relative position of individual bearing monomer, also effectively prevent two bearing monomers from excessively causing to come off due to rotating.
The combined type Biserial cylindrical roller bearing of the present invention, as shown in figure 1, on the basis of previously described technical scheme
It can also be：The clamping projection 4 is identical with the radian of the clamping guide rail 5.
The beneficial effect brought is：Clamping projection 4 is identical with the radian of the clamping guide rail 5, considerably increases two axles
Hold the suitability of monomer.
The combined type Biserial cylindrical roller bearing of the present invention, as shown in figure 1, on the basis of previously described technical scheme
It can also be：The thickness of the bearing monomer is 5mm.
The beneficial effect brought is：The size of bearing monomer is relatively small, and range of fit is just corresponding larger, in the application
In, the bearing of different-thickness can also be used to be adapted to.
The combined type Biserial cylindrical roller bearing of the present invention, as shown in figure 1, on the basis of previously described technical scheme
It can also be：The cylinder outline line of one end that the diameter of cylindrical roller 3 is gradually reduced is outwardly logarithmic curve, described
The roller surface contour line that raceway radius of curvature gradually increases also is outwardly logarithmic curve.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (7)
- A kind of 1. combined type Biserial cylindrical roller bearing, it is characterised in that：Including at least one bearing monomer；The bearing monomer includes bearing inner race (1), bearing outer ring (2) and roller (3), and the roller (3) is folded in the axle Hold between inner ring (1) outer surface and the bearing outer ring (2) inner surface, outside bearing inner race (1) outer surface and the bearing Circle (2) inner surface is provided with depressed area in the roller (3) opening position, and friendship is provided with the side wall of bearing outer ring (2) both sides For the clamping raised (4) of distribution and clamping guide rail (5), the clamping raised (4) and clamping guide rail (5) are on same circumference, institute It is cylindrical roller (3) to state roller (3), and one end diameter of the cylindrical roller (3) is gradually reduced, the raceway and cylindrical roller (3) radius of curvature of the opposite side in diameter is gradually reduced one end gradually increases.
- 2. combined type Biserial cylindrical roller bearing according to claim 1, it is characterised in that：The clamping raised (4) and Clamping guide rail (5) is arranged alternately every 60 degree, and it is total that raised (4) and clamping guide rail (5) maximum length of the clamping is no more than circumference Long 1/12.
- 3. combined type Biserial cylindrical roller bearing according to claim 2, it is characterised in that：The clamping guide rail (5) is long Degree is more than the length of the clamping raised (4).
- 4. combined type Biserial cylindrical roller bearing according to claim 1, it is characterised in that：The clamping guide rail (5) exists Side end set has a block, and the block is fixedly connected or integrally formed with the clamping guide rail (5).
- 5. combined type Biserial cylindrical roller bearing according to claim 1, it is characterised in that：The clamping raised (4) and The radian of the clamping guide rail (5) is identical.
- 6. according to the combined type Biserial cylindrical roller bearing described in claim 1-5 any one, it is characterised in that：The bearing The thickness of monomer is 5mm.
- 7. according to the combined type Biserial cylindrical roller bearing described in claim 1-5 any one, it is characterised in that：The cylinder The cylinder outline line of one end that roller (3) diameter is gradually reduced is outwardly logarithmic curve, the raceway radius of curvature by Cumulative big roller surface contour line is also outwardly logarithmic curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711178684.4A CN107725607A (en) | 2017-11-23 | 2017-11-23 | A kind of combined type Biserial cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711178684.4A CN107725607A (en) | 2017-11-23 | 2017-11-23 | A kind of combined type Biserial cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107725607A true CN107725607A (en) | 2018-02-23 |
Family
ID=61219034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711178684.4A Pending CN107725607A (en) | 2017-11-23 | 2017-11-23 | A kind of combined type Biserial cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107725607A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541885A (en) * | 2019-09-20 | 2019-12-06 | 河南科技大学 | Turntable bearing with high limit rotating speed |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4145093A (en) * | 1977-12-27 | 1979-03-20 | Buildex, Inc. | Ball bearing roller assembly |
| CN101137853A (en) * | 2005-03-14 | 2008-03-05 | Ntn株式会社 | Needle roller bearing |
| CN202301463U (en) * | 2011-09-13 | 2012-07-04 | 浙江八环轴承有限公司 | Double-row cylindrical roller bearing for lathe spindle |
| CN202531646U (en) * | 2012-04-24 | 2012-11-14 | 北京天马轴承有限公司 | Double-row tapered roller bearing |
| CN204900523U (en) * | 2015-08-18 | 2015-12-23 | 上海人本集团有限公司 | Entry driving machine work is biserial cylindrical roller bearing for arm |
| CN204985366U (en) * | 2015-07-29 | 2016-01-20 | 洛阳鸿元轴承科技有限公司 | Mounting structure of bearing inner race and bearing frame |
| CN205244132U (en) * | 2015-12-31 | 2016-05-18 | 芜湖人本轴承有限公司 | Novel combined bearing |
| CN205315485U (en) * | 2016-01-12 | 2016-06-15 | 中国航空动力机械研究所 | Two -row ball bearing |
-
2017
- 2017-11-23 CN CN201711178684.4A patent/CN107725607A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4145093A (en) * | 1977-12-27 | 1979-03-20 | Buildex, Inc. | Ball bearing roller assembly |
| CN101137853A (en) * | 2005-03-14 | 2008-03-05 | Ntn株式会社 | Needle roller bearing |
| CN202301463U (en) * | 2011-09-13 | 2012-07-04 | 浙江八环轴承有限公司 | Double-row cylindrical roller bearing for lathe spindle |
| CN202531646U (en) * | 2012-04-24 | 2012-11-14 | 北京天马轴承有限公司 | Double-row tapered roller bearing |
| CN204985366U (en) * | 2015-07-29 | 2016-01-20 | 洛阳鸿元轴承科技有限公司 | Mounting structure of bearing inner race and bearing frame |
| CN204900523U (en) * | 2015-08-18 | 2015-12-23 | 上海人本集团有限公司 | Entry driving machine work is biserial cylindrical roller bearing for arm |
| CN205244132U (en) * | 2015-12-31 | 2016-05-18 | 芜湖人本轴承有限公司 | Novel combined bearing |
| CN205315485U (en) * | 2016-01-12 | 2016-06-15 | 中国航空动力机械研究所 | Two -row ball bearing |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110541885A (en) * | 2019-09-20 | 2019-12-06 | 河南科技大学 | Turntable bearing with high limit rotating speed |
| CN110541885B (en) * | 2019-09-20 | 2021-03-05 | 河南科技大学 | Turntable bearing with high limit rotating speed |
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