CN109340262A - Wind power speed-increasing gearbox cylinder roller bearing - Google Patents
Wind power speed-increasing gearbox cylinder roller bearing Download PDFInfo
- Publication number
- CN109340262A CN109340262A CN201811456661.XA CN201811456661A CN109340262A CN 109340262 A CN109340262 A CN 109340262A CN 201811456661 A CN201811456661 A CN 201811456661A CN 109340262 A CN109340262 A CN 109340262A
- Authority
- CN
- China
- Prior art keywords
- inner ring
- pocket hole
- retainer
- rolling element
- retainer pocket
- 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
Links
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
- F16C33/34—Rollers; Needles
-
- 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
- F16C33/46—Cages for rollers or needles
- F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to wind-powered electricity generation industry bearing is applied to, it is specifically related to for anti abrasive wind power speed-increasing gearbox cylinder roller bearing on wind turbine gearbox.Including inner ring, outer ring, the retainer being set between inner ring and outer ring, the inner ring is equipped with inner ring raceway, and rolling element is arranged in retainer pocket hole；The rolling element central point position is different from the position at retainer pocket hole center；Rolling body end surface uses ball basal plane structure, increases the angle change between inner ring rib and raceway, increases lubrication to reduce the abrasion between inner ring and kinetoplast；It is kept simultaneously using the circular arc pocket pore structure of decentraction, to reduce the abrasion between kinetoplast and retainer；The anti abrasive effect of bearing is reached on the whole.
Description
Technical field
The present invention relates to wind-powered electricity generation industry bearing is applied to, it is specifically related to for a kind of anti abrasive wind on wind turbine gearbox
Electric gearbox cylinder roller bearing.
Background technique
Wind turbine gearbox is very important component in entire blower, between wind turbine main shaft and generator, effect
It is the high revolving speed that the slow-speed of revolution of wind wheel is changed into generator needs.Due to the huge difference between wind speed round and generator speed
Away from so that gear-box becomes an essential component in double-feedback aerogenerator group.In the operation of wind-driven generator
In the process, the force-bearing situation of wind wheel is extremely severe, needs the continuous operation under change dramatically load, suffered by various loads
Lotus all passes through main shaft and is directly passed to gear-box.Gear-box is loaded severe, and spoilage occupies first place.Therefore design, manufacture and
It is different from full depth tooth roller box in maintenance and to guarantee 20 years service life.
Shown in all components of gear-box according to application practice both domestic and external, bearing be most weak link it
As soon as therefore each components of bearing structure design, in terms of be particularly important.Wherein box bearing is operating
During bearing wearability be always study importance.
Summary of the invention
In order to overcome service performance of the bearing in complicated working environment, the wearability of bearing is improved, the present invention provides
A kind of anti abrasive wind power speed-increasing gearbox cylinder roller bearing.
To achieve the goals above, the technical scheme adopted by the invention is that: wind power speed-increasing gearbox cylinder roller bearing, including
Inner ring, outer ring, the retainer being set between inner ring and outer ring, the inner ring are equipped with inner ring raceway, and rolling element setting is being kept
In frame pocket hole；The rolling element central point position is different from the position at retainer pocket hole center；
Retainer pocket hole is divided into the center on the left of retainer pocket hole and on the right side of retainer pocket hole, on the left of retainer pocket hole
Point is located at the right positions of the longitudinal axis centered on rolling element where point；Central point on the right side of retainer pocket hole is located at
With the leftward position of the longitudinal axis where rolling element central point；
Take above-mentioned retainer pocket hole center and rolling element center not in the technical solution of same position, the purpose is to roll
Body is changed to line by face contact with the contact in pocket hole and contacts, to reduce the abrasion between rolling element and retainer；
The rolling body end surface is ball basal plane shape, so that contact of the inner ring rib with rolling element is point contact, inner ring rib
The width contacted with rolling element ball basal plane narrows, while the angle between inner ring rib and raceway becomes larger, and increases lubrication, to reduce
Abrasion between inner ring and rolling element.
Beneficial effect by adopting the above technical scheme is:
Rolling body end surface uses ball basal plane structure, increases the angle change between inner ring rib and raceway, increases lubrication to reduce
Abrasion between inner ring and kinetoplast；Kept simultaneously using the circular arc pocket pore structure of decentraction, thus reduce kinetoplast and retainer it
Between abrasion；The anti abrasive effect of bearing is reached on the whole.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention
Fig. 2 is the enlarged view at I of Fig. 1.
Fig. 3 is retainer structural schematic diagram.
Fig. 4 is that rolling element is located at the structural schematic diagram in retainer pocket hole.
In figure, 1, retainer pocket hole 2, retainer pocket hole left side 3, retainer pocket hole right side 4, rolling element, 5, retainer
Pocket hole right center point position 6, retainer pocket hole Left-side center point position 7, rolling element center position.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawing.
As shown, wind power speed-increasing gearbox cylinder roller bearing, including inner ring, outer ring, it is set between inner ring and outer ring
Retainer, the inner ring are equipped with inner ring raceway, and rolling element 4 is arranged in retainer pocket hole 1；The kinetoplast central point institute is in place
It is different from the position at retainer pocket hole center to set 7；
Retainer pocket hole is divided on the left of retainer pocket hole 3 on the right side of 2 and retainer pocket hole, on the left of retainer pocket hole in
Heart point 6 is located at the right positions of the longitudinal axis centered on rolling element where point；Central point 7 on the right side of retainer pocket hole
Positioned at the leftward position of the longitudinal axis where rolling element central point；
Take above-mentioned retainer pocket central point of hole and rolling element center not in the technical solution of same position, the purpose is to roll
Kinetoplast is changed to line by face contact with the contact in pocket hole and contacts, to reduce the abrasion between rolling element and retainer；
The rolling body end surface is ball basal plane shape, so that contact of the inner ring rib with rolling element is point contact, inner ring rib
The width contacted with rolling element ball basal plane narrows, while the angle between inner ring rib and raceway becomes larger, and increases lubrication, to reduce
Abrasion between inner ring and rolling element.
Claims (3)
1. wind power speed-increasing gearbox cylinder roller bearing, it is characterised in that: including inner ring, outer ring, be set between inner ring and outer ring
Retainer, the inner ring are equipped with inner ring raceway, and rolling element is arranged in retainer pocket hole；The rolling element central point institute is in place
It sets different from the position at retainer pocket hole center.
2. wind power speed-increasing gearbox cylinder roller bearing according to claim 1, it is characterised in that: retainer pocket hole is divided into
On the left of retainer pocket hole and on the right side of retainer pocket hole, the central point on the left of retainer pocket hole is located at the point centered on rolling element
The right positions of the longitudinal axis at place；Central point on the right side of retainer pocket hole is located at the diameter where rolling element central point
To the leftward position of axis.
3. wind power speed-increasing gearbox cylinder roller bearing according to claim 1, it is characterised in that: the rolling body end surface is
Ball basal plane shape, contact of the inner ring rib with rolling element are point contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456661.XA CN109340262A (en) | 2018-11-30 | 2018-11-30 | Wind power speed-increasing gearbox cylinder roller bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811456661.XA CN109340262A (en) | 2018-11-30 | 2018-11-30 | Wind power speed-increasing gearbox cylinder roller bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109340262A true CN109340262A (en) | 2019-02-15 |
Family
ID=65319266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811456661.XA Pending CN109340262A (en) | 2018-11-30 | 2018-11-30 | Wind power speed-increasing gearbox cylinder roller bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109340262A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000291663A (en) * | 1999-04-09 | 2000-10-20 | Nsk Ltd | Rolling bearing |
| JP2012082863A (en) * | 2010-10-07 | 2012-04-26 | Ntn Corp | Cage for ball bearing and ball bearing |
| CN203202015U (en) * | 2013-05-02 | 2013-09-18 | 六安滚动轴承有限公司 | Double-row cylindrical roller bearing for numerically-controlled machine tool main shaft |
| CN105485171A (en) * | 2015-12-28 | 2016-04-13 | 瓦房店轴承集团有限责任公司 | Misaligned arc pocket hole structure cage |
| CN210484409U (en) * | 2018-11-30 | 2020-05-08 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Cylindrical roller bearing of wind power speed increasing box |
-
2018
- 2018-11-30 CN CN201811456661.XA patent/CN109340262A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000291663A (en) * | 1999-04-09 | 2000-10-20 | Nsk Ltd | Rolling bearing |
| JP2012082863A (en) * | 2010-10-07 | 2012-04-26 | Ntn Corp | Cage for ball bearing and ball bearing |
| CN203202015U (en) * | 2013-05-02 | 2013-09-18 | 六安滚动轴承有限公司 | Double-row cylindrical roller bearing for numerically-controlled machine tool main shaft |
| CN105485171A (en) * | 2015-12-28 | 2016-04-13 | 瓦房店轴承集团有限责任公司 | Misaligned arc pocket hole structure cage |
| CN210484409U (en) * | 2018-11-30 | 2020-05-08 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Cylindrical roller bearing of wind power speed increasing box |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |