CN112443581A - High-precision low-friction super-huge type bearing solid retainer and processing method thereof - Google Patents
High-precision low-friction super-huge type bearing solid retainer and processing method thereof Download PDFInfo
- Publication number
- CN112443581A CN112443581A CN202011400148.6A CN202011400148A CN112443581A CN 112443581 A CN112443581 A CN 112443581A CN 202011400148 A CN202011400148 A CN 202011400148A CN 112443581 A CN112443581 A CN 112443581A
- Authority
- CN
- China
- Prior art keywords
- retainer
- friction
- precision low
- bearing solid
- 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
Images
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
- F16C33/38—Ball cages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
- B23P15/003—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass bearings
-
- 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
-
- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a high-precision low-friction super-huge type bearing solid cage and a processing method thereof, the cage comprises a circular cage body, a pocket for placing a rolling body is arranged in the circumferential direction of the cage body, the pocket is in a conical structure, the inner walls of flanges at two sides of the pocket are inclined planes, the inclined planes at two sides of the same pocket are symmetrically arranged relative to the center of the pocket, and a step protruding towards the center of the cage is arranged below the inner wall of the cage body. The precision of the retainer can be guaranteed to meet the use requirement, and the high-precision and long-life operation of the wind power bearing is facilitated.
Description
Technical Field
The invention belongs to the technical field of wind power bearing retainers, and particularly relates to a high-precision low-friction super-huge bearing solid retainer and a processing method thereof.
Background
The wind power generator is an electric power device which converts wind energy into mechanical work, and the mechanical work drives a rotor to rotate so as to finally output alternating current. The wind-driven generator generally comprises wind wheels, a generator, a direction regulator, a tower, a speed-limiting safety mechanism, an energy storage device and other components. The working principle is simple, the wind wheel rotates under the action of wind force, the kinetic energy of the wind is converted into mechanical energy of a wind wheel shaft, and the generator rotates under the driving of the wind wheel shaft to generate electricity. Because the wind driven generator has a larger structural size, the use performance of the wind power bearing plays an important role in the normal operation of the generator.
The existing bearing retainer is divided into a steel retainer, a non-ferrous metal retainer and a non-metallic retainer, the processing method mainly comprises a stamping retainer and a plastic casting method for manufacturing the retainer, the raw material for manufacturing the retainer by the plastic casting method is engineering plastic, the raw material for stamping the retainer is steel plate and brass, the retainer formed by stamping needs to be expanded when being assembled, and is contracted after being assembled with a rolling body and a ferrule. However, for a wind power bearing with a diameter greater than 2m and an excessive accuracy requirement, the retainer formed by stamping cannot meet the requirement of the wind power bearing, because the retainer is too large in size and not high in stamping accuracy, the retainer accuracy is seriously damaged by expansion and contraction, and the integral accuracy of the bearing cannot meet the requirement of use, and therefore a high-accuracy low-friction super-large bearing entity retainer and a processing method thereof are urgently needed to solve the problems.
Disclosure of Invention
The invention aims to solve the technical problems and provides a high-precision low-friction super-large bearing entity retainer and a processing method thereof, wherein the retainer is a super-large bearing retainer with the diameter size exceeding 2m, a numerical control processing center is adopted to mechanically process the retainer, the working mode of traditional retainer punch forming is replaced, and the parts of the retainer, which are contacted with an inner ring, are designed with flanges designed at intervals for storing lubricating oil, so that the precision of the retainer can be ensured to meet the use requirement, and the high-precision and long-life operation of a wind power bearing is facilitated.
The technical scheme adopted by the invention is as follows: the utility model provides a super-huge bearing entity holder of high accuracy low friction, including the annular holder body of circle, the pocket hole that is used for placing the rolling element is offered to the circumferencial direction of holder body, the pocket hole appearance is the toper structure, and the both sides flange inner wall in pocket hole is the inclined plane, the inclined plane of same pocket hole both sides sets up for the central symmetry in pocket hole, inner wall below the position of holder body is provided with to the bellied step of holder central direction, the internal diameter surface position of step is equipped with a plurality of recesses around holder center evenly distributed.
The shape of the retainer body is a conical structure.
The holder body is made of copper.
And through holes communicated with the pocket holes are formed in the four corners of the pocket holes.
The diameter of the retainer body is larger than 2 m.
The groove is of a V-shaped structure, and the angle of the V shape is 168 degrees.
The processing method of the high-precision low-friction super-huge type bearing solid retainer comprises the following steps:
step one, blanking; selecting a proper annular blank for blanking;
turning; turning the blank material into a conical ring on a numerical control machining center;
step three, processing a pocket; a plurality of pockets which are uniformly distributed around the center of the circular ring are formed in the wall thickness direction of the conical circular ring, through holes are drilled in the four corners of each pocket, flanges on the left side and the right side of each pocket are of conical structures in the cross section direction, and the inner walls of the conical structures are tangent to the outer diameters of the rolling bodies.
In the first step, the external diameter size of the blank is larger than 2 m.
The four corners of the pocket are drilled with through holes, so that the rolling elements can be conveniently assembled subsequently, and the interference between the corner positions of the rolling elements and the corner positions of the pocket is avoided; secondly, the appearance processing of pocket hole can be convenient for, the effect in tool withdrawal groove is played.
According to the high-precision low-friction super-huge type bearing solid retainer, the retainer is made of copper materials, the traditional pressing forming processing mode is replaced, a numerical control processing center is adopted for machining, the processing precision of the retainer can be guaranteed to meet the use requirement, the retainer can be assembled with a ferrule after being filled with rolling bodies, the overall precision of a bearing can be improved, and the high-precision long-life operation of the bearing is guaranteed.
The invention has the beneficial effects that:
the retainer is an oversize bearing retainer with the diameter size exceeding 2m, a numerical control machining center is adopted to machine the retainer, the working mode of traditional retainer punch forming is replaced, and the parts of the retainer, which are in contact with the inner ring, are provided with the flanges designed at intervals for storing lubricating oil, so that the precision of the retainer can be ensured to meet the use requirement, and the high-precision and long-life operation of the wind power bearing is facilitated.
Drawings
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a block diagram of a step of machining the cage;
FIG. 3 is a view showing a second step of machining the retainer;
FIG. 4 is a three-step diagram of the step of machining the cage;
FIG. 5 is a cross-sectional view of the pocket of the present invention;
fig. 6 is a partial enlarged view of the present invention.
The labels in the figure are: 1. a cage body; 2. a pocket hole; 3. a through hole; 4. an inclined surface; 5. a step; 501. a groove; 6. a blank of wool.
Detailed Description
The following detailed description of embodiments of the invention is provided in connection with the accompanying drawings.
As shown in the figure, the high-precision low-friction super-huge type bearing solid retainer comprises a circular retainer body 1, a pocket 2 for placing a rolling body is arranged in the circumferential direction of the retainer body 1, the pocket 2 is in a conical structure, the inner walls of the flanges at two sides of the pocket 2 are inclined planes 4, the inclined planes 4 at two sides of the same pocket 2 are symmetrically arranged relative to the center of the pocket 2, a step 5 protruding towards the center of the retainer is arranged below the inner wall of the retainer body 1, a plurality of grooves 501 evenly distributed around the center of the retainer are arranged on the inner diameter surface of the step 5, the grooves 501 are in a V-shaped structure, the angle of the V shape is 168 degrees, the steps 5 are arranged for reinforcing the whole retainer, the integral structural strength of the retainer is improved, and when the arranged grooves 501 work, a certain amount of grease can be stored in the positions of the grooves 501, the bearing is convenient to lubricate in the working process, and the friction resistance between the retainer and the bearing inner ring is reduced.
The processing method of the high-precision low-friction super-huge type bearing solid retainer comprises the following steps:
step one, blanking; selecting a proper annular blank 61 for blanking, wherein as shown in fig. 2, the annular blank 6 is made of a copper material with the outer diameter larger than 2m and a rectangular cross section;
turning; turning the blank material 6 into a circular ring with a conical shape on a numerical control machining center, as shown in figure 3, turning the circular ring on the numerical control machining center, wherein the circular ring is conical in shape, and the conical degree is the same as that of the bearing inner ring to be assembled;
step three, processing the pocket 2; as shown in fig. 4, a plurality of pockets 2 are uniformly distributed around the center of a conical ring in the wall thickness direction of the conical ring, the pockets 2 are conical in shape and are mainly used for matching with conical rollers, corresponding shape processing can be carried out according to actual needs, through holes 3 are drilled at four corners of the pockets 2, flanges at the left side and the right side of the pockets 2 are conical in cross section direction, namely, inclined planes 4 (shown in fig. 5) are arranged on the inner wall of the conical structure and are tangent to the outer diameter of a rolling body, specifically, the pockets 2 are horn-shaped in cross section, the dimension at the small side is smaller than the outer diameter of the rollers, the dimension at the large side is larger than the outer diameter of the rollers, the rollers can be loaded into the pockets 2 from the large side to realize the assembly between the rollers and the retainer, the outer wall of the rollers is tangent to the inclined planes 4, so as to avoid the jamming phenomenon of the rollers and the flanges of the retainer in the moving, ensuring smooth running of the roller.
In the third step, through holes 3 are drilled at the four corners of the pocket 2, so that the subsequent assembly of the rolling body is facilitated, and the interference between the corner positions of the rolling body and the corner positions of the pocket 2 is avoided; secondly, the appearance processing of pocket 2 can be convenient for, play the effect in tool withdrawal groove.
For a large-size retainer of an oversize wind power bearing, the traditional retainer processing method is not applicable, the traditional retainer is formed by die casting (stamping) and can meet the normal working requirement of a small and medium-size bearing, but can not meet the processing of a bearing retainer with the diameter size of more than 2m, the precision of the cage does not meet the use requirement of an oversize bearing, the processing method of the high-precision oversize solid basket-shaped cage selects the material of the cage as a steel material which can not be severely deformed due to thermal expansion and cold contraction, and replaces the traditional processing mode of pressing and forming, adopts a numerical control processing center to carry out mechanical processing, the processing precision of the retainer can be guaranteed to meet the use requirement, the retainer can improve the overall precision of the bearing after the rolling body is arranged in the retainer and is mutually assembled with the ferrule, and the high-precision and long-life operation of the bearing is guaranteed.
Claims (7)
1. The utility model provides a super-huge bearing entity holder of high accuracy low friction which characterized in that: including the annular holder body of circle, the pocket hole that is used for placing the rolling element is offered to the circumferencial direction of holder body, and pocket hole appearance is the toper structure, and the both sides flange inner wall in pocket hole is the inclined plane, and the inclined plane of same pocket hole both sides sets up for the central symmetry in pocket hole, is provided with the bellied step to holder central direction in the inner wall below position of holder body, and the internal diameter surface position of step is equipped with a plurality of recesses around holder center evenly distributed.
2. The high-precision low-friction oversized bearing solid cage as claimed in claim 1, wherein: the shape of the retainer body is a conical structure.
3. The high-precision low-friction oversized bearing solid cage as claimed in claim 1, wherein: the material of the retainer body is copper.
4. The high-precision low-friction oversized bearing solid cage as claimed in claim 1, wherein: the four corners of the pocket are provided with through holes communicated with the pocket.
5. The high-precision low-friction oversized bearing solid cage as claimed in claim 1, wherein: the diameter of the retainer body is larger than 2 m.
6. The high-precision low-friction oversized bearing solid cage as claimed in claim 1, wherein: the groove is of a V-shaped structure, and the angle of the V shape is 168 degrees.
7. A processing method of a high-precision low-friction super-huge type bearing solid retainer is characterized by comprising the following steps: step one, blanking; selecting a proper annular blank for blanking;
turning; turning the blank material into a conical ring on a numerical control machining center;
step three, processing a pocket; a plurality of pockets which are uniformly distributed around the center of the circular ring are formed in the wall thickness direction of the conical circular ring, through holes are drilled in the four corners of each pocket, flanges on the left side and the right side of each pocket are of conical structures in the cross section direction, and the inner walls of the conical structures are tangent to the outer diameters of the rolling bodies.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011400148.6A CN112443581A (en) | 2020-12-04 | 2020-12-04 | High-precision low-friction super-huge type bearing solid retainer and processing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011400148.6A CN112443581A (en) | 2020-12-04 | 2020-12-04 | High-precision low-friction super-huge type bearing solid retainer and processing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112443581A true CN112443581A (en) | 2021-03-05 |
Family
ID=74739613
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011400148.6A Pending CN112443581A (en) | 2020-12-04 | 2020-12-04 | High-precision low-friction super-huge type bearing solid retainer and processing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112443581A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172433A (en) * | 2021-03-30 | 2021-07-27 | 山东金帝精密机械科技股份有限公司 | Cutting type production device and production method of large bearing retainer for wind power generation equipment |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3520814A1 (en) * | 1985-06-11 | 1986-12-11 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | Cage for angular-contact roller bearings |
| JP2000104737A (en) * | 1998-09-30 | 2000-04-11 | Nsk Ltd | Manufacture of press mold retainer for tapered roller bearing |
| DE102007052429A1 (en) * | 2006-11-08 | 2008-05-21 | Ntn Corp. | Tapered roller bearing for supporting propel shaft, has case accommodating tapered roller, where length of tapered surface amounts to five percent in direction of width or greater and less than eleven percent of average diameter of roller |
| CN101725634A (en) * | 2008-10-20 | 2010-06-09 | 阿母斯替德铁路公司 | Tapered roller bearing with improved cage |
| CN103352919A (en) * | 2013-07-02 | 2013-10-16 | 山东凯美瑞轴承科技有限公司 | Solid cage and reinforced solid tapered roller bearing |
| CN105587770A (en) * | 2016-03-07 | 2016-05-18 | 洛阳轴研科技股份有限公司 | Roller-guiding cylindrical roller bearing retainer and machining method thereof |
| CN110285139A (en) * | 2019-07-01 | 2019-09-27 | 洛阳新强联回转支承股份有限公司 | A kind of super-huge double-row conical pivoting support of low friction |
| CN213808512U (en) * | 2020-12-04 | 2021-07-27 | 洛阳新强联回转支承股份有限公司 | High-precision low-friction super-huge type bearing solid retainer |
-
2020
- 2020-12-04 CN CN202011400148.6A patent/CN112443581A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3520814A1 (en) * | 1985-06-11 | 1986-12-11 | INA Wälzlager Schaeffler KG, 8522 Herzogenaurach | Cage for angular-contact roller bearings |
| JP2000104737A (en) * | 1998-09-30 | 2000-04-11 | Nsk Ltd | Manufacture of press mold retainer for tapered roller bearing |
| DE102007052429A1 (en) * | 2006-11-08 | 2008-05-21 | Ntn Corp. | Tapered roller bearing for supporting propel shaft, has case accommodating tapered roller, where length of tapered surface amounts to five percent in direction of width or greater and less than eleven percent of average diameter of roller |
| CN101725634A (en) * | 2008-10-20 | 2010-06-09 | 阿母斯替德铁路公司 | Tapered roller bearing with improved cage |
| CN103352919A (en) * | 2013-07-02 | 2013-10-16 | 山东凯美瑞轴承科技有限公司 | Solid cage and reinforced solid tapered roller bearing |
| CN105587770A (en) * | 2016-03-07 | 2016-05-18 | 洛阳轴研科技股份有限公司 | Roller-guiding cylindrical roller bearing retainer and machining method thereof |
| CN110285139A (en) * | 2019-07-01 | 2019-09-27 | 洛阳新强联回转支承股份有限公司 | A kind of super-huge double-row conical pivoting support of low friction |
| CN213808512U (en) * | 2020-12-04 | 2021-07-27 | 洛阳新强联回转支承股份有限公司 | High-precision low-friction super-huge type bearing solid retainer |
Non-Patent Citations (1)
| Title |
|---|
| 黑龙江省农业机械管理局: "《农用滚动轴承修复》", 31 May 1980, 机械工业出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113172433A (en) * | 2021-03-30 | 2021-07-27 | 山东金帝精密机械科技股份有限公司 | Cutting type production device and production method of large bearing retainer for wind power generation equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN211202621U (en) | Isolator formula does not have little texture cylindrical roller bearing in holder surface | |
| CN213808512U (en) | High-precision low-friction super-huge type bearing solid retainer | |
| CN112443581A (en) | High-precision low-friction super-huge type bearing solid retainer and processing method thereof | |
| EP3717789B1 (en) | Roller bearing | |
| CN201267837Y (en) | Anchoring clamping piece blank multi-station cold extrusion mold | |
| CN201377515Y (en) | Sliding bearing | |
| CN213808475U (en) | Super-huge tapered roller bearing without expanding and contracting basket-shaped retainer | |
| CN106351955A (en) | Coiling shaft half bushing and production technology thereof | |
| CN101592183B (en) | Method for designing sliding pair of tapered roller bearing of speed increaser of aerogenerator | |
| CN213776068U (en) | Super-huge tapered roller turntable bearing with detachable small flange | |
| CN213776057U (en) | Bearing meeting low torque requirement | |
| CN201003544Y (en) | Light and narrow series double row symmetrical spherical roller bearing with solid cage | |
| CN211175000U (en) | YRT bearing for high-precision rotary table | |
| CN201973117U (en) | Fixed retainer type heavy-duty low-speed thrust ball bearing structure | |
| CN210484409U (en) | Cylindrical roller bearing of wind power speed increasing box | |
| CN212389663U (en) | Wind-powered electricity generation speed-increasing gearbox planet carrier cylindrical roller bearing with locking groove | |
| CN201818664U (en) | Laser-etched main shaft bushing | |
| CN202360593U (en) | Sectional type retainer for spindle bearing of direct-driven wind generating set | |
| CN204533186U (en) | A kind of robot angular contact thrust ball bearing | |
| CN209875728U (en) | Combined bearing | |
| CN208778507U (en) | Gap lubricating type oiliness bearing | |
| CN210106426U (en) | Inner ring connecting device of double-row cylindrical roller bearing | |
| CN201802760U (en) | Combined bearing of cylindrical roller and two-way thrust ball | |
| CN201187525Y (en) | Long life ultrathin wall precision bearing for wind power generator | |
| CN207864436U (en) | Ball bearing and its retainer |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210305 |
|
| RJ01 | Rejection of invention patent application after publication |