Wear-resistant bearing for wind power generation

Abstract

The utility model discloses a wear-resistant bearing for wind power generation, which comprises a bearing outer ring, a limiting sleeve is arranged inside the bearing outer ring, a group of balls are arranged inside the limiting sleeve, an oil inlet structure is arranged outside the bearing outer ring, the oil inlet structure comprises a mounting block, and the mounting block is mounted outside the bearing outer ring through a screw. An oil storage box is connected to the outer surface of the mounting block, an oil inlet groove is formed in the bottom surface of the oil storage box in an opening and closing manner, a push-press plate is arranged above the oil storage box, the upper surface of a push-press block is connected with the push-press plate, the upper surface of the push-press plate is communicated with an oil inlet pipe, and the upper surface of the mounting block is connected with a group of telescopic rods and a group of springs; by means of the oil inlet structure, under the cooperation of the oil storage box, the oil inlet groove and the pushing and pressing block, the lubricating liquid in the oil storage box is extruded through the pushing and pressing block under the pressure applied by a worker, the extruded lubricating liquid enters the limiting sliding groove in the limiting sleeve more quickly, and the lubricating effect on the balls is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of wind power generation, in particular to a wear-resistant bearing used for wind power generation. Background Art

[0002] Bearings are an important component in modern mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy.

[0003] After searching, the utility model patent with patent announcement number CN210003676U discloses a wear-resistant ball bearing, including a right bearing seat, a right outer ball bearing, a lubricating oil storage tank, an oil tank mounting seat, a left bearing seat, an inner ball bearing and a left outer ball bearing. A left bearing seat is arranged on one side of the right bearing seat, and the left bearing seat is fixedly connected to the left bearing seat by a first connecting bolt. A right outer ball bearing is arranged on the inner side wall of the right outer ball bearing, and a left outer ball bearing is arranged on the inner side wall of the left bearing seat. The left outer ball bearing is symmetrically arranged with the right outer ball bearing, and the inner ball bearing is installed in a spherical cavity composed of the left outer ball bearing and the right outer ball bearing. An oil inlet is opened on the upper part of the left outer ball bearing. When in use, the utility model can replenish lubricating oil to the interior of the utility model in time through the lubricating oil storage tank, thereby delaying the internal wear of the utility model and extending the service life of the utility model.

[0004] However, the above design still has some shortcomings. In the above design, when the bearing is replenished with oil through the lubricating oil storage tank, due to the different viscosities of the lubricating oil, it is difficult to replenish the bearing with lubricating oil with higher viscosity, and the general lubricating oil replenishment process is slow, and the bearing cannot be replenished with lubricating oil at one time. Utility Model Content

[0005] The purpose of the utility model is to provide a wear-resistant bearing for wind power generation to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a wear-resistant bearing for wind power generation, comprising a bearing outer ring, a limiting sleeve is arranged inside the bearing outer ring, a group of balls are arranged inside the limiting sleeve, an oil inlet structure is arranged outside the bearing outer ring, and the oil inlet structure comprises a mounting block, the mounting block is mounted on the outside of the bearing outer ring by screws, an oil storage box is connected to the outer surface of the mounting block, an oil inlet groove is opened and closed on the bottom surface of the oil storage box, the bottom end of the oil inlet groove respectively penetrates the bearing outer ring and the limiting sleeve and extends to the inside of the limiting sleeve, a pushing block is arranged inside the oil storage box, a pushing plate is arranged above the oil storage box, the upper surface of the pushing block is connected to the pushing plate, the upper surface of the pushing plate is connected to an oil inlet pipe, the bottom end of the oil inlet pipe respectively penetrates the pushing plate and the pushing block and extends to the outside of the pushing block, a group of telescopic rods and a group of springs are connected to the upper surface of the mounting block, each of the springs is sleeved on the outside of the telescopic rod, and the tops of a group of the telescopic rods and a group of springs are connected to the pushing plate together.

[0007] Wherein, an annular sliding groove is provided on the outer surface of the limiting sleeve, and the annular sliding groove is connected with the oil inlet groove.

[0008] Wherein, the inside of the annular slide groove is connected with a retaining frame, and a group of the balls are arranged inside the retaining frame.

[0009] Wherein, a bearing inner ring is arranged inside the bearing outer ring, and the bearing inner ring is arranged on the inner ring of the limiting sleeve, and the outer surface of the bearing outer ring and the outer surface of the bearing inner ring are both in contact with a group of balls.

[0010] The outer surface of the bearing outer ring is provided with symmetrical grooves, and a sealing ring is placed inside each of the grooves.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The utility model provides an oil inlet structure, and with the cooperation of the oil storage box, the oil inlet groove and the pushing block, the pressure applied by the staff squeezes the lubricating liquid inside the oil storage box through the pushing block, and the squeezed lubricating liquid enters the limiting slide groove inside the limiting sleeve more quickly to lubricate the ball bearing, and the operation of the staff is convenient in a simple and quick manner. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a three-dimensional diagram of a wear-resistant bearing for wind power generation according to the utility model;

[0014] Figure 2 It is a three-dimensional diagram of a cross-sectional view of a wear-resistant bearing for wind power generation according to the utility model;

[0015] Figure 3It is a three-dimensional diagram of a cross-sectional view of a limiting sleeve in a wear-resistant bearing for wind power generation according to the utility model;

[0016] Figure 4 The utility model is a wear-resistant bearing for wind power generation Figure 3 A schematic diagram of the structure enlargement in the middle;

[0017] Figure 5 It is a stereoscopic diagram of a cross-sectional view of an oil inlet structure in a wear-resistant bearing for wind power generation according to the utility model.

[0018] In the figure: 1. bearing outer ring; 2. sealing ring; 3. bearing inner ring; 4. oil inlet structure; 401. pushing block; 402. oil inlet pipe; 403. pushing plate; 404. telescopic rod; 405. spring; 406. mounting block; 407. oil inlet groove; 408. oil storage box; 409. screw; 5. groove; 6. limit sleeve; 7. retaining frame; 8. ball; 9. annular slide groove. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] See also Figure 1-4The utility model provides a technical solution: a wear-resistant bearing for wind power generation, comprising a bearing outer ring 1, a limiting sleeve 6 is arranged inside the bearing outer ring 1, a group of balls 8 are arranged inside the limiting sleeve 6, an oil inlet structure 4 is arranged outside the bearing outer ring 1, and the oil inlet structure 4 comprises a mounting block 406, the mounting block 406 is mounted on the outside of the bearing outer ring 1 by screws 409, an oil storage box 408 is connected to the outer surface of the mounting block 406, an oil inlet groove 407 is opened and closed on the bottom surface of the oil storage box 408, the bottom end of the oil inlet groove 407 passes through the bearing outer ring 1 and the limiting sleeve 6 respectively and extends to the inside of the limiting sleeve 6, a pushing block 401 is arranged inside the oil storage box 408, a pushing plate 403 is arranged above the oil storage box 408, and the upper surface of the pushing block 401 is connected to the pushing plate 403, The upper surface of the push plate 403 is connected to an oil inlet pipe 402, the bottom end of the oil inlet pipe 402 passes through the push plate 403 and the push block 401 respectively and extends to the outside of the push block 401, and the upper surface of the mounting block 406 is connected to a group of telescopic rods 404 and a group of springs 405, each spring 405 is sleeved on the outside of the telescopic rod 404, and the top ends of a group of telescopic rods 404 and a group of springs 405 are connected to the push plate 403 together. Through the set oil storage box 408, with the cooperation of the push block 401 and the oil inlet groove 407, it is convenient for the staff to transport the lubricating fluid inside the oil storage box 408 to the inside of the annular groove 9 through the push block 401, so as to lubricate the ball 8 inside the annular groove 9, reduce the wear of the bearing parts, and increase the service life of the bearing parts.

[0021] Among them, an annular groove 9 is opened on the outer surface of the limiting sleeve 6, and the annular groove 9 is connected with the oil inlet groove 407. Through the set annular groove 9, the annular groove 9 is connected with the oil inlet groove 407, which facilitates the transportation of the lubricating liquid.

[0022] The inside of the annular groove 9 is connected with a retainer 7, and a group of balls 8 are arranged inside the retainer 7. Through the setting of the retainer 7, the balls 8 inside the retainer 7 facilitate the rotation of the bearing outer ring 1 and the bearing inner ring 3.

[0023] Among them, a bearing inner ring 3 is provided inside the bearing outer ring 1, and the bearing inner ring 3 is arranged on the inner ring of a limiting sleeve 6. The outer surface of the bearing outer ring 1 and the outer surface of the bearing inner ring 3 are both in contact with a group of balls 8. The limiting sleeve 6 is set and cooperates with the balls 8 to reduce the wear of the bearing parts.

[0024] The outer surface of the bearing outer ring 1 is provided with symmetrical grooves 5, and a sealing ring 2 is placed inside each groove 5. The sealing ring 2 seals the lubricating fluid.

[0025] Working principle: When in use, the staff pours the lubricating liquid into the oil storage box 408 through the oil inlet pipe 402, then closes the oil inlet pipe 402 and presses the push plate 403. The push plate 403 drives the push block 401 downward as the staff pushes it. The downward pushed push block 401 transports the squeezed lubricating liquid inside the oil storage box 408 through the oil inlet groove 407 to the annular groove 9, thereby lubricating the ball 8 inside the annular groove 9.

[0026] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A wear-resistant bearing for wind power generation, comprising a bearing outer ring (1), characterized in that: A limiting sleeve (6) is arranged inside the bearing outer ring (1), a group of balls (8) are arranged inside the limiting sleeve (6), an oil inlet structure (4) is arranged outside the bearing outer ring (1), the oil inlet structure (4) comprises a mounting block (406), the mounting block (406) is mounted on the outside of the bearing outer ring (1) by means of screws (409), an outer surface of the mounting block (406) is connected to an oil storage box (408), a bottom surface of the oil storage box (408) is provided with an oil inlet groove (407), the bottom ends of the oil inlet groove (407) respectively penetrate the bearing outer ring (1) and the limiting sleeve (6) and extend to the inside of the limiting sleeve (6), a pushing block (407) is arranged inside the oil storage box (408), and a plurality of oil inlet grooves (407) are arranged on the bottom surface of the oil storage box (408). 1), a push plate (403) is provided above the oil storage box (408), the upper surface of the push block (401) is connected to the push plate (403), the upper surface of the push plate (403) is connected to an oil inlet pipe (402), the bottom end of the oil inlet pipe (402) respectively passes through the push plate (403) and the push block (401) and extends to the outside of the push block (401), the upper surface of the mounting block (406) is respectively connected to a group of telescopic rods (404) and a group of springs (405), each of the springs (405) is sleeved on the outside of the telescopic rod (404), and the top ends of the group of telescopic rods (404) and the group of springs (405) are commonly connected to the push plate (403).

2. The wear-resistant bearing for wind power generation according to claim 1, characterized in that: An annular sliding groove (9) is provided on the outer surface of the limiting sleeve (6), and the annular sliding groove (9) is connected to the oil inlet groove (407).

3. The wear-resistant bearing for wind power generation according to claim 2, characterized in that: The interior of the annular slide groove (9) is connected to a retaining frame (7), and a group of balls (8) are arranged inside the retaining frame (7).

4. The wear-resistant bearing for wind power generation according to claim 1, characterized in that: A bearing inner ring (3) is provided inside the bearing outer ring (1), and the bearing inner ring (3) is arranged on the inner ring of a limiting sleeve (6). The outer surface of the bearing outer ring (1) and the outer surface of the bearing inner ring (3) are both in contact with a group of balls (8).

5. The wear-resistant bearing for wind power generation according to claim 1, characterized in that: The outer surface of the bearing outer ring (1) is provided with symmetrical grooves (5), and a sealing ring (2) is placed inside each of the grooves (5).

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