CN205478894U - Cylindrical roller bearing - Google Patents
Cylindrical roller bearing Download PDFInfo
- Publication number
- CN205478894U CN205478894U CN201520869154.4U CN201520869154U CN205478894U CN 205478894 U CN205478894 U CN 205478894U CN 201520869154 U CN201520869154 U CN 201520869154U CN 205478894 U CN205478894 U CN 205478894U
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- CN
- China
- Prior art keywords
- bearing
- roller
- outer ring
- roller bearing
- utility
- 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.)
- Expired - Fee Related
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a cylindrical roller bearing, including inner circle, outer lane, holder and roller, outer lane and inner circle all are provided with a plurality of annular radiating groove towards roller one side, the utility model discloses simple structure, the volume is less, is fit for in some narrow and small spaces, simple to operate, the production of being convenient for, reduction in production cost can avoid taking place the dead or life because of getting into the condition that impurity damaged, great extend bearing of bearing heating card simultaneously.
Description
Technical field
This utility model belongs to field of bearings, more particularly, it relates to a kind of cylinder roller bearing.
Background technology
Bearing, is to play parts that are fixing and that reduce load coefficient of friction in mechanical transmission course.It may also be said that when other parts produce relative motion on axle each other, it is used for reducing the fixing parts of the coefficient of friction in power transmission process and holding shaft center.Bearing is a kind of very important parts in plant equipment in the present age.Its major function is to support machinery rotary body, in order to reduce equipment mechanical load coefficient of friction in transmission process.
At present, the cylinder roller bearing on market typically by inner ring, outer ring and be placed in centre roller form.Some bearing can be provided with retainer between ball or roller, all or part of rolling element of parcel of its part, and moves therewith.Due to bearing operationally, due to the friction between rolling element and retainer, inner ring and outer ring, substantial amounts of heat can be produced, especially some plant equipment rotating ratio faster in the case of, produced heat is the hugest, the fault that bearing heating is stuck can be caused, make bearing cisco unity malfunction.Therefore it is required that machine tool chief axis and the demand of associated components High-speed machining to be adapted to thereof, the performance of bearing being proposed brand-new requirement, the heat radiation of bearing is one and continues major issue to be solved.
Meanwhile, existing major part bearing does not all have dust cap, coordinates because dust cap can be formed with bearing outer ring to seal and causes Bearing inner not have air to circulate, i.e. heat is difficult to distribute, and the heat-sinking capability of bearing is poor, often makes bearing be under high temperature running.In the running, Bearing inner is easy to be mixed into impurity to the bearing of dirt lid in the air, and impurity is stuck between bearing roller and outer ring or inner ring, causes bearing operation bad, damages bearing, has had a strong impact on the service life of bearing.
Utility model content
For the deficiencies in the prior art, this utility model provides a kind of by offering radiating groove on outer ring and inner ring to strengthen the cylinder roller bearing of radiating effect.
For achieving the above object, this utility model provides following technical scheme: a kind of cylinder roller bearing, is provided with several circular radiating grooves towards roller side including inner ring, outer ring, retainer and roller, outer ring and inner ring.
Further radiating groove is perpendicular with bearing centre axle.
Further it is provided with several thermovents on retainer.
Further thermovent is strip.
It is provided with several air vents on the sidewall that further outer ring contacts with roller.
Further it is provided with bloop on inner ring and outer ring.
Compared with prior art, the beneficial effects of the utility model are:
1, when bearing rotates, radiating groove adds contacting and heat exchange area of outer ring and inner ring and air, heat produced by friction between bearing outer ring and rolling element, bearing inner race and rolling element is distributed as early as possible, plays and strengthen heat radiation and the effect of cooling；On the other hand, radiating groove offer the contact area also reduced between roller and bearing inner race and bearing outer ring, and then reduce friction each other, so reducing the produced heat of friction.Radiating groove can be not only used for heat radiation and can be additionally used in and hold a certain amount of lubricating oil, when the roller of bearing rolls, roller rolls in the past from the radiating groove of inner ring and outer ring, contact with the lubricating oil in radiating groove, and then lubricating oil is filled roller, after lubricating oil fills roller, will stick to be formed in roller surface one layer of oil film, reduce the resistance between roller and bearing inner race and outer ring, reach the purpose of lubrication.
2, by arranging the thermovent of several strips on retainer, make thermovent while isolation and guiding billowing post and hold it in bearing, also increase the contact area of retainer and air, retainer heat produced with roller friction can be gone out by Quick diffusing, reach the purpose of retainer fast cooling.
Compared with prior art, this utility model simple in construction, small volume, it is suitable in some narrow spaces, easy for installation, it is simple to produce, reduce production cost, can avoid bearing heating situation that is stuck or that damage because entering impurity simultaneously, be greatly prolonged the service life of bearing.
Accompanying drawing explanation
Fig. 1 is the axonometric chart of this utility model cylinder roller bearing；
Fig. 2 is the front view of this utility model cylinder roller bearing；
Fig. 3 is the top view of this utility model cylinder roller bearing；
Fig. 4 is the A-A sectional view of Fig. 3.
Wherein: 1, inner ring；2, outer ring；3, retainer；4, roller；5, radiating groove；6, thermovent；7, air vent.
Detailed description of the invention
Referring to figs. 1 through Fig. 4, the embodiment of this utility model cylinder roller bearing is described further.
A kind of cylinder roller bearing, including inner ring, outer ring, retainer and roller, be preferable to provide for: outer ring and inner ring are provided with several circular radiating grooves towards roller side, radiating groove is perpendicular with bearing centre axle, several thermovents it are provided with on retainer, thermovent is strip, the sidewall that outer ring contacts with roller is provided with on several air vents, inner ring and outer ring and is provided with bloop.
When bearing rotates, radiating groove adds contacting and heat exchange area of outer ring and inner ring and air, heat produced by friction between bearing outer ring and rolling element, bearing inner race and rolling element is distributed as early as possible, play and strengthen heat radiation and the effect of cooling, radiating groove and the perpendicular setting of bearing centre axle, it is simple to production and processing.
If friction position can not get suitable lubrication, dry friction will occur, the heat that dry friction produces at short notice be enough to cause the damage of parts the most stuck, therefore the frequent coating lubricating oil of all parts to bearing is also to reduce because of outer ring and rolling element, retainer and rolling element, the method of the produced heat of friction between inner ring and rolling element, radiating groove can be not only used for heat radiation and can be additionally used in and hold a certain amount of lubricating oil, when the roller of bearing rolls, roller rolls in the past from the radiating groove of inner ring and outer ring, contact with the lubricating oil in radiating groove, and then lubricating oil is filled roller, after lubricating oil fills roller, will stick to be formed in roller surface one layer of oil film, reduce the resistance between roller and bearing inner race and outer ring, reach the purpose of lubrication.
If there is impurity to enter bearing when bearing operation, impurity can fall in radiating groove under the promotion of roller, it is to avoid impurity is stuck between roller and inner ring, outer ring damage bearing and affects the normal operation of bearing, improves the service life of bearing.
By arranging the thermovent of several strips on retainer, make thermovent while isolation and guiding billowing post and hold it in bearing, also increase the contact area of retainer and air, retainer heat produced with roller friction can be gone out by Quick diffusing, reach the purpose of retainer fast cooling.
By arranging air vent on outer ring so that air is blown in bearing by air vent, the roller in operating is lowered the temperature, reaches the purpose making bearing low-temperature operate.
Bearing can produce huge noise in the running, by arranging bloop on the inner ring of bearing and outer ring, because bloop can absorb noise produced by bearing, and then reaches the purpose of noise reduction.
Compared to the equipment adding the heat abstractors such as fan on the market, this utility model simple in construction, small volume, it is suitable in some narrow spaces, easy for installation, it is not necessary to extra driving power supply, save energy, reduce production cost, the fault occurring bearing heating stuck can be avoided simultaneously, substantially prolongs the service life of bearing.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to above-described embodiment, and all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.It should be pointed out that, for those skilled in the art, without departing from the some improvements and modifications under this utility model principle premise, these improvements and modifications also should be regarded as protection domain of the present utility model.
Claims (6)
1. a cylinder roller bearing, including inner ring, outer ring, retainer and roller, it is characterised in that: described outer ring and inner ring are provided with several circular radiating grooves towards roller side.
Cylinder roller bearing the most according to claim 1, it is characterised in that: radiating groove is perpendicular with bearing centre axle.
Cylinder roller bearing the most according to claim 2, it is characterised in that: it is provided with several thermovents on described retainer.
Cylinder roller bearing the most according to claim 3, it is characterised in that: described thermovent is strip.
Cylinder roller bearing the most according to claim 4, it is characterised in that: it is provided with several air vents with roller on the sidewall that described outer ring contacts.
Cylinder roller bearing the most according to claim 5, it is characterised in that: it is provided with bloop on described inner ring and outer ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869154.4U CN205478894U (en) | 2015-11-03 | 2015-11-03 | Cylindrical roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869154.4U CN205478894U (en) | 2015-11-03 | 2015-11-03 | Cylindrical roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205478894U true CN205478894U (en) | 2016-08-17 |
Family
ID=56660225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520869154.4U Expired - Fee Related CN205478894U (en) | 2015-11-03 | 2015-11-03 | Cylindrical roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205478894U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763156A (en) * | 2017-01-06 | 2017-05-31 | 宁波银球小型轴承有限公司 | A kind of pair of inner ring double row angular contact Jing Yin ball bearing of formula air-conditioning |
-
2015
- 2015-11-03 CN CN201520869154.4U patent/CN205478894U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106763156A (en) * | 2017-01-06 | 2017-05-31 | 宁波银球小型轴承有限公司 | A kind of pair of inner ring double row angular contact Jing Yin ball bearing of formula air-conditioning |
| CN106763156B (en) * | 2017-01-06 | 2019-02-19 | 宁波银球小型轴承有限公司 | A kind of mute ball bearing of double inner ring double row angular contact formula air-conditionings |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160817 Termination date: 20161103 |