CN219013201U

CN219013201U - Forced liquid cooling type bearing for wind power generation

Info

Publication number: CN219013201U
Application number: CN202222579782.1U
Authority: CN
Inventors: 朱小华; 王文敏; 姜春
Original assignee: Wuxi Yuantong Bearing Co ltd
Current assignee: Wuxi Yuantong Bearing Co ltd
Priority date: 2022-09-28
Filing date: 2022-09-28
Publication date: 2023-05-12
Anticipated expiration: 2032-09-28

Abstract

The utility model relates to the technical field of bearings, and discloses a forced liquid-cooled wind power generation bearing which comprises an outer ring, an inner ring and balls, wherein a first U-shaped groove is formed in the middle of an inner groove of the outer ring, a copper ring is fixedly connected to the middle of the inner groove of the outer ring, a second U-shaped groove is formed in the middle side of the outer part of the copper ring, a closed annular water groove is formed between the first U-shaped groove and the second U-shaped groove, through holes are formed in two sides of the bottom end of the outer part of the first U-shaped groove, copper pipes are fixedly connected to the inside of the through holes, annular guide rails are fixedly connected to the middle side of the outer groove of the inner ring, annular grooves are formed in the middle side of the outer part of the balls, and one ends, far away from the axis of the inner ring, of the annular grooves are respectively arranged on the inner side of the copper ring in a circle. According to the utility model, the fan is used for air cooling, so that the purpose of cooling the bearing by recycling the cooling liquid is achieved, and the service life of the bearing for wind power generation is prolonged.

Description

Forced liquid cooling type bearing for wind power generation

Technical Field

The utility model relates to the technical field of bearings, in particular to a forced liquid cooling type bearing for wind power generation.

Background

Wind energy is clean energy, wind power generation is very environment-friendly, wind energy is huge, wind power generation is increasingly valued in all countries along with development of wind power generation technology, bearings are arranged in wind power generation equipment in the prior art, the bearings play an important role in the power generation equipment, but heat can be generated due to friction between balls in the existing bearings and inner and outer rings of the bearings, and the service life of the bearings is reduced due to heat dissipation efficiency of the bearings.

At present, most of wind power generation bearings generate heat when driven by friction between balls and inner rings and outer rings of the bearings, and the service life of the bearings is reduced only by the heat dissipation capacity of the bearings, so that the use of the bearings is affected.

Disclosure of Invention

The utility model aims to solve the defects in the prior art, and provides a forced liquid cooling type bearing for wind power generation.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: the utility model provides a forced liquid cooling type wind power generation bearing, includes outer loop, inner ring and ball, the middle part of the inboard recess of outer loop begins to have first U type groove, the middle part fixedly connected with copper ring of the inboard recess of outer loop, the outside middle side of copper ring begins to have second U type groove, first U type groove and second U type groove form a inclosed annular flume, the through-hole has all been seted up to the both sides of the outside bottom of first U type groove, the copper pipe of all fixedly connected with in the through-hole, the middle side fixedly connected with annular guide rail of the outside recess of inner ring, the ring channel is all seted up to the outside middle side of ball, the one end that is kept away from the inner ring axle center in the ring channel sets up respectively in the inboard week of copper ring, the one end that is close to the inner ring axle center in the ring channel sets up respectively in the outside week of annular guide rail, inner ring front end fixedly connected with outer tooth ring, the outer loop front end is located the downside fixedly connected with fixed plate of through-hole, fixedly connected with fan in the fluting in the fixed plate, gear pump top fixedly connected with gear pump, the rear end fixedly connected with the gear pump input shaft of the gear pump, the gear pump top is connected with the outer gear pump at the outside, the outer end of the outside of the driving wheel is meshed respectively.

As a further description of the above technical solution:

the copper ring and the annular guide rail have the same width.

As a further description of the above technical solution:

the balls are identical in size and are annularly arranged.

As a further description of the above technical solution:

the first U-shaped groove is matched with the second U-shaped groove, and the openings of the first U-shaped groove and the second U-shaped groove are opposite.

As a further description of the above technical solution:

the copper tube resembles an L-shape.

As a further description of the above technical solution:

the copper pipe is communicated with the annular water tank.

As a further description of the above technical solution:

the outer ring, the inner ring and the balls are arranged on the same plane.

As a further description of the above technical solution:

the air port of the fan is arranged upwards.

The utility model has the following beneficial effects:

1. according to the bearing, when the bearing inner ring rotates, the driven wheel is driven by the outer gear ring, the driven wheel rotates to drive the gear pump, the gear pump is connected with the copper pipe through the inlet and the outlet, the copper pipe is fixed in the through hole, the first U-shaped groove and the second U-shaped groove are communicated to form a closed annular water groove, cooling liquid in the annular water groove can be extracted through the gear pump to dissipate heat and be recycled, when the cooling liquid passes through the copper pipe, the copper pipe absorbs heat energy and is subjected to air cooling through the fan, so that the purpose of heat dissipation of the bearing by the cooling liquid recycling is achieved, and the effect of prolonging the service life of the bearing for wind power generation is achieved.

Drawings

FIG. 1 is a schematic perspective view of a right-side cross-sectional structure of an integral forced liquid cooling type wind power generation bearing;

FIG. 2 is a schematic perspective view of a front cross-section of the whole forced liquid cooling type wind power generation bearing;

FIG. 3 is a schematic perspective view of a partial enlarged structure of a bearing gear pump for forced liquid cooling type wind power generation, which is provided by the utility model;

FIG. 4 is a schematic perspective view of a right-side cross-section structure of the whole forced liquid cooling type wind power generation bearing;

fig. 5 is an enlarged view at a of fig. 4.

Legend description:

1. an outer ring; 2. an inner ring; 3. a ball; 4. an outer toothed ring; 5. driven wheel; 6. copper pipe; 7. a fan; 8. a fixing plate; 9. a gear pump; 10. a through hole; 11. an annular groove; 12. a first U-shaped groove; 13. a second U-shaped groove; 14. a copper ring; 15. an annular guide rail.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-5, one embodiment provided by the present utility model is: the utility model provides a forced liquid cooling formula wind energy power generation is with bearing, includes outer loop 1, inner loop 2 and ball 3, its characterized in that: the middle part of the groove at the inner side of the outer ring 1 is provided with a first U-shaped groove 12, the middle part of the groove at the inner side of the outer ring 1 is fixedly connected with a copper ring 14, the middle side at the outer part of the copper ring 14 is provided with a second U-shaped groove 13, the first U-shaped groove 12 and the second U-shaped groove 13 form a closed annular water groove, both sides of the bottom end at the outer part of the first U-shaped groove 12 are respectively provided with a through hole 10, the inside of the through hole 10 is fixedly connected with a copper pipe 6, the middle side of the groove at the outer part of the inner ring 2 is fixedly connected with an annular guide rail 15, the middle side at the outer part of the ball 3 is respectively provided with an annular groove 11, one end, far away from the axle center of the inner ring 2, of the annular groove 11 is respectively arranged at one circle at the inner side of the copper ring 14, one end inside ring channel 11 near the axle center of inner ring 2 sets up in the outside a week of annular guide 15 respectively, inner ring 2 front end fixedly connected with external tooth ring 4, outer ring 1 front end is located the downside fixedly connected with fixed plate 8 of through-hole 10, fixed plate 8 inside fluting internal fixedly connected with fan 7, fixed plate 8 top front side fixedly connected with gear pump 9, the rear end fixedly connected with of gear pump 9 input shaft follows driving wheel 5, follow driving wheel 5 outside top meshing is connected in the outside bottom of external tooth ring 4, the business turn over hydraulic fluid port of gear pump 9 is fixedly connected with the front end at copper pipe 6 respectively.

When the bearing inner ring 2 rotates, heat energy is generated by friction between the balls 3 and the inner ring 2 and between the balls and the outer ring 1, a closed annular water tank is formed by the first U-shaped groove 12 and the second U-shaped groove 13, the second U-shaped groove 13 is arranged on the copper ring 14, the copper ring 14 is matched with cooling liquid to absorb heat and dissipate heat, cooling liquid is arranged in the annular water tank, the driven wheel 5 is driven by the outer toothed ring 4, the driven wheel 5 drives a shaft rod of the gear pump 9 to rotate, the gear pump 9 is enabled to rotate, the copper pipe 6 is connected with the copper pipe 6 through an inlet and an outlet, the copper pipe 6 is fixed in the through hole 10, the copper pipe 6, the gear pump 9 and the annular water tank are connected to form a complete passage, the cooling liquid is extracted through the gear pump 9 and recycled in the annular water tank, when the cooling liquid passes through the copper pipe 6, the copper pipe 6 absorbs the heat energy and is cooled by the fan 7, the purpose of cooling liquid is achieved, the purpose of prolonging the service life of the bearing for wind power generation is achieved, the rotation of the bearing is enabled, the gear pump is driven by the outer toothed ring 4 to rotate, the copper pipe 9 is enabled to rotate, the copper pipe is enabled to rotate, the inner gear pump is enabled to be driven, and the cooling is enabled to rotate, so as to achieve the purpose of cooling is enabled to realize cooling and accordingly.

The width of the copper ring 14 is the same as that of the annular guide rail 15, the balls 3 are identical in size and are annularly arranged, the balls 3 can be uniformly arranged between the copper ring 14 and the annular guide rail 15, the copper ring 14 is used for absorbing heat generated by friction of the balls 3, the annular guide rail 15 is used for limiting the balls 3 and preventing the balls 3 from shaking, the first U-shaped groove 12 and the second U-shaped groove 13 are matched and are oppositely arranged in an opening mode, the first U-shaped groove and the second U-shaped groove can be matched with each other to form a sealed annular water tank for conveying cooling liquid, the copper pipe 6 is similar to an L-shaped groove, the copper pipe 6 is communicated with the annular water tank, the copper pipe 6 can be better fixed in the through hole 10 and is communicated with the annular water tank for conveying the cooling liquid, the outer ring 1, the inner ring 2 and the balls 3 are arranged on the same plane, a bearing can be integrally formed for use, the air inlet of the fan 7 is upwards arranged, and the air inlet of the fan 7 blows towards the copper pipe 6 to play a role of air cooling and heat dissipation.

Working principle: when the inner ring 2 of the bearing for wind power generation rotates, heat energy is generated by friction between the balls 3 and the inner ring 2 and between the balls and the outer ring 1, a closed annular water tank is formed by the first U-shaped groove 12 and the second U-shaped groove 13, the second U-shaped groove 13 is formed on the copper ring 14, the copper ring 14 is matched with cooling liquid to absorb heat and dissipate heat, cooling liquid is arranged in the annular water tank, the driven wheel 5 is driven by the outer toothed ring 4, the driven wheel 5 drives a shaft rod of the gear pump 9 to enable the gear pump 9 to operate, the copper pipe 6 is connected with the copper pipe 6 through an inlet and an outlet, the copper pipe 6 is fixed in the through hole 10, the copper pipe 6, the gear pump 9 and the annular water tank are connected to form a complete passage, the cooling liquid is extracted through the gear pump 9 and recycled in the annular water tank, and when the cooling liquid passes through the copper pipe 6, the copper pipe 6 absorbs the heat energy and is subjected to air cooling through the fan 7, so that the purpose of recycling the cooling liquid to dissipate heat of the bearing is achieved, and the service life of the bearing for wind power generation is prolonged.

Finally, it should be noted that: the foregoing description is only illustrative of the preferred embodiments of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements or changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. The utility model provides a forced liquid cooling formula wind energy power generation is with bearing, includes outer loop (1), inner ring (2) and ball (3), its characterized in that: the middle part of the inner side groove of the outer ring (1) is provided with a first U-shaped groove (12), the middle part of the inner side groove of the outer ring (1) is fixedly connected with a copper ring (14), the middle side of the outer part of the copper ring (14) is provided with a second U-shaped groove (13), the first U-shaped groove (12) and the second U-shaped groove (13) form a closed annular water tank, two sides of the bottom end of the outer part of the first U-shaped groove (12) are respectively provided with a through hole (10), copper pipes (6) are fixedly connected in the through holes (10), the middle side of the outer groove of the inner ring (2) is fixedly connected with an annular guide rail (15), annular grooves (11) are formed in the middle sides of the outer parts of the balls (3), one ends, far away from the axle center of the inner ring (2), of the annular grooves (11) are respectively arranged on the inner side of a copper ring (14), one ends, close to the axle center of the inner ring (2), of the annular grooves (11) are respectively arranged on the outer side of an annular guide rail (15) in a circle, the front ends of the inner rings (2) are fixedly connected with an outer toothed ring (4), the front ends of the outer rings (1) are positioned on the lower sides of through holes (10) and are fixedly connected with a fixing plate (8), fans (7) are fixedly connected in grooves formed in the fixing plate (8), gear pumps (9) are fixedly connected on the front sides of the top ends of the fixing plate (8), the rear end of the input shaft of the gear pump (9) is fixedly connected with a driven wheel (5), the outer top end of the driven wheel (5) is connected with the outer bottom end of the outer tooth ring (4) in a meshed mode, and oil inlet and outlet ports of the gear pump (9) are respectively and fixedly connected with the front end of the copper pipe (6).

2. The forced liquid cooling type wind power generation bearing according to claim 1, wherein: the width of the copper ring (14) is the same as that of the annular guide rail (15).

3. The forced liquid cooling type wind power generation bearing according to claim 1, wherein: the balls (3) are identical in size and are annularly arranged.

4. The forced liquid cooling type wind power generation bearing according to claim 1, wherein: the first U-shaped groove (12) is matched with the second U-shaped groove (13) and the openings are opposite.

5. The forced liquid cooling type wind power generation bearing according to claim 1, wherein: the copper pipe (6) is similar to an L shape.

6. The forced liquid cooling type wind power generation bearing according to claim 1, wherein: the copper pipe (6) is communicated with the annular water tank.

7. The forced liquid cooling type wind power generation bearing according to claim 1, wherein: the outer ring (1), the inner ring (2) and the balls (3) are arranged on the same plane.

8. The forced liquid cooling type wind power generation bearing according to claim 1, wherein: the air inlet of the fan (7) is arranged upwards.