CN216447314U - Motor bearing with anti-ablation structure and high-strength alternating load resistance - Google Patents
Motor bearing with anti-ablation structure and high-strength alternating load resistance Download PDFInfo
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- CN216447314U CN216447314U CN202122537703.6U CN202122537703U CN216447314U CN 216447314 U CN216447314 U CN 216447314U CN 202122537703 U CN202122537703 U CN 202122537703U CN 216447314 U CN216447314 U CN 216447314U
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Abstract
The utility model discloses a motor bearing with an ablation-resistant structure and high-strength alternating load resistance, which comprises: the bearing comprises a bearing inner ring, an inner ring ball groove, an oil ferrule, an outer ring ball groove and an outer ring gear, wherein the bearing inner ring ball groove is circumferentially arrayed on the outer surface of the bearing inner ring in the horizontal direction, the oil ferrule is arranged on the outer side of the spherical ball, a connecting chain for serial connection is connected between the oil ferrules, the outer ring ball groove is circumferentially arrayed on the inner surface of the bearing outer ring in the horizontal direction, and the outer side of the bearing outer ring is connected with the outer ring gear. This motor bearing of anti high strength alternating load with prevent ablating structure can effectively avoid exposing of motor metal ball to reduce the loss of volatilizing of lubricating oil in the bearing, and form closed nested protection at motor bearing surface, and then avoid the electric current that the motor produced to cause the ablation damage to bearing structure, and can strengthen the protection to the metal ball that reduces frictional force, effectively promoted the life of anti high strength alternating load's motor bearing.
Description
Technical Field
The utility model relates to the technical field of wind driven generator bearings, in particular to a high-strength alternating load resistant motor bearing with an ablation prevention structure.
Background
Wind power generation is a renewable environment-friendly natural energy source, wind energy is converted into mechanical energy through a wind driven generator, a motor rotor is driven to rotate through mechanical work, alternating current is output, energy is stored, a generator bearing has the functions of supporting a motor part and guiding a shaft to rotate, a large motor bearing used by the wind driven generator is a rolling bearing generally, and spherical metal balls inside the bearing roll between a lubricated bearing outer ring and a lubricated bearing inner ring to reduce friction, so that the motor can rotate stably.
However, the wind driven generator is in the outdoor severe environment for a long time, so that the motor bearing which is converted into mechanical energy is easy to generate certain abrasion after long-term rotation, and the generator is easy to generate voltage after water leakage and water seepage, and then current is generated to cause ablation damage to the motor and the bearing, and the friction force for keeping the bearing rotating is small, so that lubricating oil is smeared inside the bearing, the ball of the motor bearing which is used at present is exposed, and is easy to contact with electric sparks to cause fire hazard, so that the service quality and the service life of the motor bearing are not favorably improved, aiming at the problems, innovative design is urgently needed on the basis of the original motor bearing for resisting high-strength alternating load.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a motor bearing with an ablation-proof structure and high-strength alternating load resistance, which aims to solve the problems that the existing motor bearing in the background art cannot keep the sealing performance of a bearing and a ball structure in a long-term outdoor environment, and generates certain voltage when water leakage and friction damage occur, so that the motor and the motor bearing are ablated and damaged.
In order to achieve the purpose, the utility model provides the following technical scheme: a high-strength alternating load resistant motor bearing provided with an ablation prevention structure, comprising:
inner ring ball grooves circumferentially arrayed in a horizontal direction on an outer surface of the bearing inner ring;
the oil ferrules are arranged on the outer sides of the spherical balls, and connecting chains for serial connection are connected between the oil ferrules;
and the outer ring ball grooves are circumferentially arrayed on the inner surface of the bearing outer ring in the horizontal direction, and the outer side of the bearing outer ring is connected with an outer ring gear.
The setting up of above-mentioned structure makes motor bearing can stably keep the smooth stability when metal ball rotates to can carry out lubricating oil to the metal ball surface and paint the parcel protection, and then effectively reduce metal ball friction of rotating, promote motor bearing's holding power, make motor bearing's life and quality obtain promoting.
Preferably, both ends still are nested respectively about the inner circle ball groove outside and are provided with upper portion isolation ring and lower part isolation ring, and upper portion isolation ring and lower part isolation ring are stainless steel, and upper portion isolation ring and lower part isolation ring are the ring structure of the same arc sawtooth, and upper portion isolation ring and lower part isolation ring are closely laminated with the bearing inner race and are connected simultaneously, and the setting up of above-mentioned structure makes the device be convenient for protect the metal ball, and keep apart ring and lower part isolation ring through the firm stable upper portion of stainless steel and carry out effective interval to metal ball and outside environment, thereby avoid wearing and tearing and the ablation problem that the electric current produced.
Preferably, the upper isolation ring and the lower isolation ring respectively form a clamping structure with the oil-based ferrule, lubricating oil is coated on the inner side surface of the oil-based ferrule, the oil-based ferrule forms a flexible rolling semi-coating structure on the outer side of the spherical ball, and the arrangement of the structure enables the ball to contact the spherical surface with the lubricating oil in the oil-based ferrule when the ball rotates uninterruptedly, so that the motor bearing is kept to rotate and support stably at a high speed for a long time.
Preferably, the spherical ball respectively forms a rolling structure with the bearing inner ring and the bearing outer ring through the inner ring ball groove and the outer ring ball groove, the height of the bearing outer ring is larger than that of the bearing inner ring, the inner ring top covers are symmetrically arranged on the upper side surface and the lower side surface of the bearing inner ring, the outer ring top covers are symmetrically arranged on the upper side surface and the lower side surface of the bearing outer ring, the spherical ball can be more stably wrapped and hidden between the bearing outer ring and the bearing inner ring due to the arrangement of the structure, the abrasion of the ball and the volatilization of lubricating oil are further avoided, and the service life of the bearing is prolonged.
Preferably, the inner ring top cover outer side is further provided with an inner ring clamping groove of an annular structure, the top cover outer surfaces of the inner ring top cover and the outer ring top cover are located at the same horizontal position height, the outer ring clamping groove is further formed in the outer ring top cover inner side, meanwhile, bolt pieces used for sealing are arranged between the inner ring top cover and the outer ring top cover and between the bearing inner ring and the bearing outer ring in an equidistant mode, the structure is arranged to enable the motor bearing to keep stable and closed in the long-term use process, the clean and smooth outer surface of the bearing is kept, and extra friction resistance is prevented from being increased.
Preferably, still the block is connected with the sealed apron of annular shape between inner circle draw-in groove and the outer lane draw-in groove, and sealed apron is stainless steel, and the setting up of above-mentioned structure makes bearing inner structure more closed, can effectively avoid outside to leak or the damage of electric current ablation to motor bearing inner member.
Preferably, the last still equidistance of sealed apron has seted up the heat dissipation hole groove, and sealed apron upper surface still circumference array has the block lug to sealed apron passes through the block lug and constitutes the closed structure of closely laminating between inner circle top cap and outer lane top cap, and the setting up of above-mentioned structure makes the motor bearing can in time give off mechanical energy and the heat energy that the friction produced when rotating at a high speed for a long time, and then avoids producing the conflagration ablation hidden danger with the electric spark contact that the electric current produced.
Compared with the prior art, the utility model has the beneficial effects that: the motor bearing with the ablation-resistant structure and capable of resisting high-strength alternating load adopts a novel structural design, when the motor bearing is used, the spherical ball can be stably protected in a sealed mode, the spherical ball can rotate under a small friction force for a long time, the service life and the quality of the motor bearing are further improved, the internal structure of the motor bearing can be protected by a sealed package, and therefore current ablation or water leakage corrosion caused by exposure is avoided, and the service life of the motor bearing is further effectively prolonged;
1. the structure of an inner ring ball groove, an upper isolation ring, a lower isolation ring, an oily ferrule, a connecting chain, a spherical ball and an outer ring ball groove is arranged between a bearing inner ring and a bearing outer ring, the spherical ball rolls stably in a sliding manner among the inner ring ball groove, the outer ring ball groove and the oily ferrule, and the spherical ball is wrapped and protected by the oily ferrule connected with the connecting chain in series and the upper isolation ring and the lower isolation ring, so that the purposes that the device can conveniently seal and stably protect the spherical ball, the spherical ball can rotate under a small friction force for a long time, and the service life and the quality of the motor bearing are further improved are achieved;
2. set up the inner circle top cap on bearing inner circle and the bearing outer lane, the inner circle draw-in groove, the outer lane top cap, the outer lane draw-in groove, the structure of sealed apron and heat dissipation hole groove, block is stabilized between inner circle draw-in groove and outer lane draw-in groove through sealed apron, and form closely confined corrosion resistant plate protection on inner circle top cap and outer lane top cap, and carry out effective radiating principle through the heat that the heat dissipation hole groove produced after rotating the bearing, the inner structure that realizes the motor bearing receives closed parcel protection, and then avoid exposing and cause the electric current to ablate or leak the corruption, and then effectively promoted the function of motor bearing's life.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic diagram of a semi-sectional three-dimensional structure of the bearing inner race of the present invention;
FIG. 3 is a schematic perspective view of the outer race of the bearing of the present invention;
FIG. 4 is a schematic perspective view of an oily ferrule according to the present invention;
FIG. 5 is a schematic perspective view of the outer ring top cover of the present invention;
fig. 6 is a schematic perspective view of the sealing cover plate of the present invention.
In the figure: 1. a bearing inner race; 2. an inner ring ball groove; 3. an upper isolation collar; 4. a lower isolation collar; 5. an oily ferrule; 6. a connecting chain; 7. a spherical ball; 8. a bearing outer race; 9. an outer ring ball groove; 10. an outer ring gear; 11. an inner ring top cover; 12. an inner ring clamping groove; 13. an outer ring top cover; 14. an outer ring clamping groove; 15. a bolt member; 16. sealing the cover plate; 17. a heat dissipation hole slot; 18. and (6) clamping the convex block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-6, the present invention provides a technical solution: a high-strength alternating load resistant motor bearing provided with an ablation prevention structure, comprising: the bearing comprises an inner ring ball groove 2, an oil ferrule 5, an outer ring ball groove 9 and an outer ring gear 10, wherein the inner ring ball groove 2 is circumferentially arrayed on the outer surface of a bearing inner ring 1 in the horizontal direction, the oil ferrule 5 is arranged outside a spherical ball 7, a connecting chain 6 for serial connection is connected between the oil ferrules 5, the outer ring ball groove 9 is circumferentially arrayed on the inner surface of a bearing outer ring 8 in the horizontal direction, and the outer side of the bearing outer ring 8 is connected with the outer ring gear 10;
when the device is used, firstly, when the motor rotates, the outer ring gear 10 drives the bearing outer ring 8 to rotate outside the bearing inner ring 1, the spherical balls 7 embedded in the bearing are independently wrapped in the oil-based ferrule 5 at the moment, and the oil-based ferrule 5 is connected in series through the connecting chain 6 to form a stable rotating structure, so that the lubricating oil of the oil-based ferrule 5 is coated on the surface of the ball to form small friction force for rolling, and the ball rotates in the inner ring ball groove 2 and the outer ring ball groove 9 efficiently.
Specifically, as shown in fig. 1, 2 and 3, an upper isolation ring 3 and a lower isolation ring 4 are respectively nested at the upper end and the lower end of the outer side of the inner ring ball groove 2, the upper isolation ring 3 and the lower isolation ring 4 are made of stainless steel, the upper isolation ring 3 and the lower isolation ring 4 are in a circular ring structure with the same arc-shaped saw teeth, and the upper isolation ring 3 and the lower isolation ring 4 are tightly attached to the bearing inner ring 1, so that when the bearing rotates in the process of converting mechanical energy by the motor, the upper isolation ring 3 and the lower isolation ring 4 wrap the two sides of the inner ring ball groove 2 at the outer side of the bearing inner ring 1, and therefore metal balls rotating in the inner ring ball groove 2 are surrounded and shielded, and further, the wind driven generator is prevented from being exposed outdoors to generate water leakage and not easily affecting the rotation of the bearing;
the upper portion is kept apart ring 3 and lower part and is kept apart ring 4 and constitute the block structure with oily lasso 5 respectively, and scribble lubricating oil on the 5 medial surfaces of oily lasso, and oily lasso 5 forms the half cladding structure that can roll in a flexible way in the spherical ball 7 outside, when motor bearing is in long-term continuous rotation, spherical ball 7 receives the parcel of the oily lasso 5 in the outside and reduces the volatilization loss of lubricating oil, and can keep the enclosure protection to spherical ball 7, and then avoid exposing the friction damage that produces outside.
Specifically, as shown in fig. 4, 5 and 6, the spherical ball 7 forms a rolling structure with the bearing inner ring 1 and the bearing outer ring 8 through the inner ring ball groove 2 and the outer ring ball groove 9, respectively, and the height of the bearing outer ring 8 is greater than that of the bearing inner ring 1, and the upper and lower sides of the bearing inner ring 1 are further symmetrically provided with inner ring top covers 11, and the upper and lower sides of the bearing outer ring 8 are further symmetrically provided with outer ring top covers 13, when the bearing rotates for a long time, the spherical ball 7 drives the stable rotation of the bearing inner ring 1 and the bearing outer ring 8 by the embedded rolling of the inner ring ball groove 2 and the outer ring ball groove 9, and the bearing rotates to generate a certain voltage and current, thereby causing ablation under the influence of friction high temperature and water leakage environment, but the bearing outer ring 8 enables the outer ring top cover 13 and the inner ring top cover 11 to shield the exposure of the internal elements of the bearing, thereby preventing ablation damage;
an inner ring clamping groove 12 of an annular structure is further formed in the outer side of the inner ring top cover 11, the outer surfaces of the inner ring top cover 11 and the outer ring top cover 13 are located at the same horizontal position, an outer ring clamping groove 14 is further formed in the inner side of the outer ring top cover 13, meanwhile, bolt pieces 15 used for sealing are arranged between the inner ring top cover 11 and the outer ring top cover 13 and between the bearing inner ring 1 and the bearing outer ring 8 at equal intervals, the inner ring top cover 11 and the outer ring top cover 13 form a closed fixing structure with a smooth and neat surface, and further, the forming angles of the inner ring clamping groove 12 and the outer ring clamping groove 14 are consistent, so that the stability of a closed structure can be kept.
Specifically, as shown in fig. 5 and 6, an annular sealing cover plate 16 is further connected between the inner ring slot 12 and the outer ring slot 14 in a clamping manner, the sealing cover plate 16 is made of stainless steel, and the sealing cover plate 16 is embedded between the inner ring slot 12 and the outer ring slot 14 and cannot shake, so that stable closed protection can be performed when the bearing rotates at a high speed;
the sealing cover plate 16 is further provided with heat dissipation hole grooves 17 at equal intervals, the upper surface of the sealing cover plate 16 is further provided with clamping convex blocks 18 in a circumferential array, the sealing cover plate 16 forms a tightly-attached closed structure between the inner ring top cover 11 and the outer ring top cover 13 through the clamping convex blocks 18, certain heat can be generated due to friction when the bearing rotates at high speed, the heat can be dissipated outwards through the heat dissipation hole grooves 17 formed in the sealing cover plate 16 at the moment, and then combustion with current is avoided, so that the bearing is prevented from being influenced by current ablation.
The working principle is as follows: when the device is used, according to the figure 1-6, firstly, when the motor bearing rotates, the outer ring gear 10 drives the bearing outer ring 8 to rotate at the outer side of the bearing inner ring 1, and the spherical balls 7 which roll between the bearing outer ring 8 and the bearing inner ring 1 are arranged in the oil-based ferrule 5 to keep the surface evenly coated with lubricating oil, so that the friction force rotating in the inner ring ball groove 2 and the outer ring ball groove 9 can be reduced, and when the spherical balls 7 rotate, the generated high-temperature heat can be dissipated through the heat dissipation hole grooves 17 on the sealing cover plate 16, and simultaneously the sealing cover plate 16 is sealed on the outer ring top cover 13 and the inner ring top cover 11 to form a stainless steel sealing structure of the bearing outer layer, and the nesting protection of the upper isolation ring 3 and the lower isolation ring 4 is utilized to prevent the spherical balls 7 from being exposed outside, thereby avoiding the influence of current ablation and rainwater corrosion, the working principle of the motor bearing provided with the ablation-preventing structure and resisting the high-strength alternating load is the working principle.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. A motor bearing provided with an ablation-resistant structure and resisting high-strength alternating load mainly comprises a bearing inner ring, spherical balls and a bearing outer ring, wherein the spherical balls are embedded and installed on the outer side of the bearing inner ring, and the bearing outer ring is connected to the outer side of the spherical balls in a nested manner;
it is characterized by comprising:
inner ring ball grooves circumferentially arrayed in a horizontal direction on an outer surface of the bearing inner ring;
the oil ferrules are arranged on the outer sides of the spherical balls, and connecting chains for serial connection are connected between the oil ferrules;
and the outer ring ball grooves are circumferentially arrayed on the inner surface of the bearing outer ring in the horizontal direction, and the outer side of the bearing outer ring is connected with an outer ring gear.
2. A high-strength alternating-load-resistant motor bearing provided with an ablation-prevention structure as claimed in claim 1, wherein: the upper end and the lower end of the outer side of the inner ring ball groove are respectively provided with an upper isolation ring and a lower isolation ring in an embedded mode, the upper isolation ring and the lower isolation ring are made of stainless steel materials and are of circular ring structures with same arc-shaped sawteeth, and the upper isolation ring and the lower isolation ring are tightly attached to the bearing inner ring.
3. A high-strength alternating-load-resistant motor bearing provided with an ablation-prevention structure as claimed in claim 2, wherein: the upper isolation ring and the lower isolation ring respectively form a clamping structure with the oil-based ferrule, lubricating oil is coated on the inner side surface of the oil-based ferrule, and the oil-based ferrule forms a semi-coating structure which can roll flexibly on the outer side of the spherical ball.
4. A high-strength alternating-load-resistant motor bearing provided with an ablation-prevention structure as claimed in claim 1, wherein: the spherical balls respectively form a rolling structure with the bearing inner ring and the bearing outer ring through the inner ring ball groove and the outer ring ball groove, the height of the bearing outer ring is larger than that of the bearing inner ring, inner ring top covers are symmetrically arranged on the upper side face and the lower side face of the bearing inner ring, and outer ring top covers are symmetrically arranged on the upper side face and the lower side face of the bearing outer ring.
5. A high-strength alternating-load-resistant motor bearing provided with an ablation-prevention structure as claimed in claim 4, wherein: the inner ring top cover is characterized in that an inner ring clamping groove of an annular structure is further formed in the outer side of the inner ring top cover, the outer surfaces of the inner ring top cover and the outer ring top cover are located at the same horizontal position, an outer ring clamping groove is further formed in the inner side of the outer ring top cover, and meanwhile bolt pieces used for sealing are further arranged between the inner ring top cover and the outer ring top cover and between the inner ring of the bearing and the outer ring of the bearing at equal intervals.
6. A high-strength alternating-load-resistant motor bearing provided with an ablation-prevention structure as claimed in claim 5, wherein: and an annular sealing cover plate is clamped between the inner ring clamping groove and the outer ring clamping groove and is made of stainless steel.
7. A high-strength alternating-load-resistant motor bearing provided with an ablation-prevention structure as claimed in claim 6, wherein: the sealing cover plate is provided with radiating hole grooves at equal intervals, clamping convex blocks are arranged on the upper surface of the sealing cover plate in a circumferential array mode, and the sealing cover plate forms a closed structure which is tightly attached between the inner ring top cover and the outer ring top cover through the clamping convex blocks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122537703.6U CN216447314U (en) | 2021-10-21 | 2021-10-21 | Motor bearing with anti-ablation structure and high-strength alternating load resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122537703.6U CN216447314U (en) | 2021-10-21 | 2021-10-21 | Motor bearing with anti-ablation structure and high-strength alternating load resistance |
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| Publication Number | Publication Date |
|---|---|
| CN216447314U true CN216447314U (en) | 2022-05-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122537703.6U Active CN216447314U (en) | 2021-10-21 | 2021-10-21 | Motor bearing with anti-ablation structure and high-strength alternating load resistance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838058A (en) * | 2022-05-25 | 2022-08-02 | 江苏欧斯特精密机械有限公司 | Motor bearing state monitoring and early warning device and heat dissipation and lubrication device for bearing |
-
2021
- 2021-10-21 CN CN202122537703.6U patent/CN216447314U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114838058A (en) * | 2022-05-25 | 2022-08-02 | 江苏欧斯特精密机械有限公司 | Motor bearing state monitoring and early warning device and heat dissipation and lubrication device for bearing |
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