Self-lubricating agricultural machinery bearing

Abstract

The utility model provides a self-lubricating agricultural machinery bearing, which relates to the field of bearings and comprises a bearing outer ring and a bearing inner ring, the bearing outer ring is assembled outside the bearing inner ring, an inner groove is arranged on the outer side of the bearing outer ring, an outer groove is arranged on the outer side of the bearing inner ring, and a ball retainer is accommodated between the inner groove and the outer groove. An upper oil cavity is formed in the bearing outer ring, a lower oil opening is formed in the lower end of the upper oil cavity, a transverse plate is arranged on the lower oil opening, a first spring is arranged at the lower end of the transverse plate and the inner wall of the upper oil cavity, a first plugging head is arranged at the lower end of the transverse plate, and a second plugging head is arranged at the lower end of the transverse plate. According to the self-lubricating agricultural machinery bearing, an upper oil cavity is formed in the bearing outer ring, the lower oil opening is formed in the cavity wall of the lower end of the upper oil cavity, the first plugging head is arranged on the lower oil opening and is arranged on a transverse plate, and the transverse plate is connected to the cavity wall of the upper oil cavity through the first spring; the first plugging head is plugged at the lower oil port under the action of the first spring, when the bearing ball rolls to pass through the lower end of the first plugging head, the first plugging head is jacked up, lubricating oil flows into the bearing ball from the lower oil port, and therefore the lubricating effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a self-lubricating agricultural machinery bearing. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Bearings are divided into spherical plain bearings, rolling bearings, deep groove ball bearings, angular contact ball bearings, self-aligning ball bearings, thrust ball bearings, double-direction thrust angular contact ball bearings, thrust roller bearings, needle roller bearings, outer spherical ball bearings, self-aligning roller bearings, flange bearings with seats and combined bearings linear bearings.

[0003] With regard to the above-mentioned related technologies, the inventor believes that the existing agricultural machinery bearings need to be lubricated frequently during use, and the working environment of agricultural machinery bearings is limited, making it inconvenient to disassemble and lubricate the bearings in complex environments such as farmlands. The bearings need to lubricate themselves, and thus a self-lubricating agricultural machinery bearing is proposed. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the deficiencies in the prior art, the utility model provides a self-lubricating agricultural machinery bearing, which solves the problems raised in the above-mentioned background technology.

[0006] (II) Technical solution

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a self-lubricating agricultural machinery bearing, including a bearing outer ring and a bearing inner ring, the bearing outer ring is assembled outside the bearing inner ring, an inner groove is provided on the outer side of the bearing outer ring, an outer groove is provided on the outer side of the bearing inner ring, a bearing ball bracket is accommodated between the inner groove and the outer groove, and a plurality of bearing balls are arranged on the bearing ball bracket: an upper oil cavity is provided in the bearing outer ring, a lower oil port is provided at the lower end of the upper oil cavity, a horizontal plate is provided on the lower oil port, a spring is provided at the lower end of the horizontal plate and the inner wall of the upper oil cavity, a sealing head is provided at the lower end of the horizontal plate, and the sealing head is sealed at the lower oil port under the action of the elastic force of the spring.

[0008] Preferably, a group of vertical plates are arranged at the lower end of the horizontal plate, and a sealing head 1 is rotatably connected between the vertical plates. The sealing head 1 is a roller, and the lower end of the roller is blocked on the lower oil port under the elastic force of a spring 1.

[0009] Preferably, a flange is provided on the outer ring of the bearing, an oil storage tank is provided on the flange, an oil passage is opened between the lower end of the oil storage tank and the outer ring of the bearing, a second sealing head is placed on the oil passage, and a second spring is provided between the upper end surface of the horizontal plate and the lower end of the second sealing head.

[0010] Preferably, a lower oil cavity is provided in the inner ring of the bearing, the lower oil cavity is through-connected, and a plurality of penetration holes are provided at equal angles on the inner wall of the lower oil cavity.

[0011] Preferably, the arc shape of the oiling cavity is degrees.

[0012] Preferably, the flange is provided with a plurality of threaded holes.

[0013] Preferably, an oil filling hole is provided on the outer side wall of the lower oil chamber.

[0014] Preferably, an oil filling hole is provided on the oil storage tank.

[0015] (III) Beneficial effects

[0016] The utility model provides a self-lubricating agricultural machinery bearing, which has the following beneficial effects:

[0017] 1. The self-lubricating agricultural machinery bearing has an upper oil cavity in the outer ring of the bearing, a lower oil port in the lower end wall of the upper oil cavity, a plugging head 1 is arranged on the lower oil port, the plugging head 1 is arranged on a transverse plate, the transverse plate is connected to the cavity wall of the upper oil cavity through a spring 1, and the plugging head 1 is blocked at the lower oil port under the action of the spring 1. When the bearing ball rolls past the lower end of the plugging head 1, the plugging head 1 is lifted up, and the lubricating oil flows from the lower oil port to the bearing ball, thereby playing a lubricating role.

[0018] 2. The self-lubricating agricultural machinery bearing has a sealing head which is a roller, and the roller is rotatably connected to a set of vertical plates. When the bearing ball rolls through the roller, the roller rotates and applies lubricating oil to the bearing ball, thereby reducing the friction resistance between the bearing ball and the roller.

[0019] 3. The self-lubricating agricultural machinery bearing has an oil storage tank on the bearing outer ring on the upper oil chamber. The lower end of the oil storage tank is connected with the upper oil chamber through an oil through port. A sealing head 2 is provided on the oil through port. The lower end of the sealing head 2 is connected to the cross plate by a spring 2. When the bearing ball rolls and contacts the sealing head 1, the cross plate is pushed up, the sealing head 2 is pushed up, and the lubricating oil in the oil storage tank enters the upper oil chamber through the oil through port.

[0020] 4. The self-lubricating agricultural machinery bearing has a lower oil chamber in the inner ring of the bearing, and penetration holes are opened at equal angles on the circumference of the inner wall of the lower oil chamber. The lubricating oil on the bearing ball enters the lower oil chamber through the penetration holes. When the penetration hole rotates to the lower end with the inner ring of the bearing, the lubricating oil in the lower oil chamber flows from the penetration hole to lubricate the bearing ball, achieving a good lubrication effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 This is a schematic diagram of the structure of a self-lubricating agricultural machinery bearing of the utility model Figure 1 ;

[0022] Figure 2 This is a cross-sectional view of a self-lubricating agricultural machinery bearing of the utility model;

[0023] Figure 3 This is a schematic diagram of the structure of a self-lubricating agricultural machinery bearing of the utility model Figure 2 ;

[0024] Figure 4 This is a schematic diagram of the roller structure of a self-lubricating agricultural machinery bearing of the utility model;

[0025] Figure 5 for Figure 2 A magnified view of point A.

[0026] In the figure: 1. bearing outer ring; 2. bearing inner ring; 3. inner groove; 4. outer groove; 5. bearing ball; 6. upper oil chamber; 7. lower oil port; 8. horizontal plate; 9. spring one; 10. vertical plate; 11. roller; 12. flange; 13. oil storage tank; 14. oil port; 15. plugging head two; 16. spring two; 17. lower oil chamber; 18. penetration hole; 19. threaded hole; 20. oil filling hole. DETAILED DESCRIPTION

[0027] The utility model embodiment provides a self-lubricating agricultural machinery bearing, such as Figure 1-5 As shown, it includes a bearing outer ring 1 and a bearing inner ring 2, the bearing outer ring 1 is assembled on the outside of the bearing inner ring 2, an inner groove 3 is provided on the outer side of the bearing outer ring 1, an outer groove 4 is provided on the outer side of the bearing inner ring 2, a bearing ball bracket is accommodated between the inner groove 3 and the outer groove 4 (illustrated in the figure), and a plurality of bearing balls 5 are arranged on the bearing ball 5 bracket: an upper oil cavity 6 is provided in the bearing outer ring 1, a lower oil port 7 is provided at the lower end of the upper oil cavity 6, a cross plate 8 is arranged on the lower oil port 7, a spring 9 is provided at the lower end of the cross plate 8 and the inner wall of the upper oil cavity 6, a sealing head 1 is provided at the lower end of the cross plate 8, and the sealing head 1 is sealed at the lower oil port 7 under the action of the elastic force of the spring 9.

[0028] An upper oil chamber 6 is opened in the bearing outer ring 1, a lower oil port 7 is opened in the cavity wall at the lower end of the upper oil chamber 6, a sealing head 1 is arranged at the lower oil port 7, and the sealing head 1 is arranged on a transverse plate 8, and the transverse plate 8 is connected to the cavity wall of the upper oil chamber 6 through a spring 1 9. The sealing head 1 is sealed at the lower oil port 7 under the action of the spring 1 9. When the bearing ball 5 rolls past the lower end of the sealing head 1, the sealing head 1 is lifted up, and the lubricating oil flows from the lower oil port 7 to the bearing ball 5, thereby playing a lubricating role.

[0029] like Figure 4As shown, a group of vertical plates 10 are arranged at the lower end of the horizontal plate 8, and a sealing head 1 is rotatably connected between the vertical plates 10. The sealing head 1 is a roller 11. The lower end of the roller 11 is blocked on the lower oil port 7 under the elastic force of a spring 9. When the bearing ball 5 rolls through the roller 11, the roller 11 rotates and applies lubricating oil to the bearing ball 5, which can reduce the friction resistance between the bearing ball 5 and the roller 11.

[0030] like Figure 1 , 2 As shown in FIG. 5 , a flange 12 is arranged on the bearing outer ring 1, an oil storage tank 13 is arranged on the flange 12, an oil passage 14 is opened between the lower end of the oil storage tank 13 and the bearing outer ring 1, a plugging head 15 is arranged on the oil passage 14, a spring 16 is arranged on the upper end surface of the cross plate 8 and the lower end of the plugging head 15, when the bearing ball 5 rolls and contacts the plugging head 1, the cross plate 8 is pushed upward, the plugging head 15 is pushed up, and the lubricating oil in the oil storage tank 13 enters the upper oil chamber 6 through the oil passage 14.

[0031] like Figure 2 As shown, a lower oil chamber 17 is provided in the inner ring 2 of the bearing. The lower oil chamber 17 is 360 degrees through. A plurality of penetration holes 18 are provided at equal angles on the inner wall of the lower oil chamber 17. The lubricating oil enters the lower oil chamber 17 through the penetration holes 18. When the inner ring 2 of the bearing rotates to the lower end, the lubricating oil in the lower oil chamber 17 flows from the penetration holes 18 to lubricate the bearing balls 5, thereby achieving a good lubrication effect.

[0032] like Figure 3 As shown, in order to better store oil, the upper oil chamber 6 has an arc shape of 45 degrees.

[0033] like Figure 1 As shown, a plurality of threaded holes 19 are provided on the flange 12 for connection with external devices.

[0034] like Figure 1 As shown, an oil filling hole 20 is opened on the outer side wall of the lower oil chamber 17, and an oil filling hole 20 is opened on the oil storage tank 13, which is convenient for adding or replacing lubricating oil.

[0035] Others: The bearing outer ring 1 and the bearing inner ring 2 may be manufactured by assembling the inner and outer rings and then connecting them with fasteners or welding them.

[0036] Working principle: When the self-lubricating agricultural machinery bearing is installed on the relevant agricultural machinery equipment, the lubricating oil is injected into the oil storage tank 13 through the oil filling hole 20, the bearing inner ring 2 is connected to the fixed rotating shaft, the rotating shaft drives the bearing inner ring 2 to rotate, and then drives the bearing ball 5 to roll between the inner groove 3 and the outer groove 4. When the bearing ball 5 rotates through the roller 11, it contacts the roller 11, and the roller 11 rotates to apply lubricating oil to the surface of the bearing ball 5. At the same time, the roller 11 is lifted up, and the lubricating oil flows from the lower oil port 7 between the inner groove 3 and the outer groove 4, forming a good lubrication effect; when the roller 11 is lifted up, the cross plate 8 is also lifted up, and the sealing head 15 is lifted up by the spring 16, and the lubricating oil in the oil storage tank 13 enters the upper oil cavity 6 through the oil port 14;

[0037] The lubricating oil between the inner ring and the outer ring enters the lower oil chamber 17 through the penetration hole 18. When the bearing inner ring 2 rotates to the lower end and the penetration hole 18 is at the lower end, the lubricating oil flows out from the penetration hole 18 and circulates for lubrication.

[0038] 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 self-lubricating agricultural machinery bearing, comprising a bearing outer ring (1) and a bearing inner ring (2), wherein the bearing outer ring (1) is assembled outside the bearing inner ring (2), an inner groove (3) is provided on the outer side of the bearing outer ring (1), an outer groove (4) is provided on the outer side of the bearing inner ring (2), a bearing ball bracket is accommodated between the inner groove (3) and the outer groove (4), and a plurality of bearing balls (5) are arranged on the bearing ball bracket, characterized in that: An upper oil chamber (6) is provided in the outer ring (1) of the bearing, a lower oil port (7) is provided at the lower end of the upper oil chamber (6), a transverse plate (8) is provided on the lower oil port (7), a spring (9) is provided between the lower end of the transverse plate (8) and the inner wall of the upper oil chamber (6), a sealing head (1) is provided at the lower end of the transverse plate (8), and the sealing head (1) is sealed at the lower oil port (7) under the action of the elastic force of the spring (9).

2. A self-lubricating agricultural machinery bearing according to claim 1, characterized in that: A group of vertical plates (10) are arranged at the lower end of the horizontal plate (8), and a sealing head (1) is rotatably connected between the vertical plates (10). The sealing head (1) is a roller (11), and the lower end of the roller (11) blocks the lower oil port (7) under the elastic force of a spring (9).

3. The self-lubricating agricultural machinery bearing according to claim 1, characterized in that: A flange (12) is arranged on the outer ring of the bearing (1), an oil storage tank (13) is arranged on the flange (12), an oil passage (14) is provided between the lower end of the oil storage tank (13) and the outer ring of the bearing (1), a second sealing head (15) is arranged on the oil passage (14), and a second spring (16) is arranged between the upper end surface of the transverse plate (8) and the lower end of the second sealing head (15).

4. The self-lubricating agricultural machinery bearing according to claim 1, characterized in that: A lower oil chamber (17) is provided in the inner ring (2) of the bearing. The lower oil chamber (17) is 360 degrees through, and a plurality of penetration holes (18) are provided at equal angles on the inner wall of the lower oil chamber (17).

5. The self-lubricating agricultural machinery bearing according to claim 1, characterized in that: The upper oil cavity (6) has an arc shape of 45 degrees.

6. The self-lubricating agricultural machinery bearing according to claim 3, characterized in that: The flange (12) is provided with a plurality of threaded holes (19).

7. The self-lubricating agricultural machinery bearing according to claim 4, characterized in that: An oil filling hole (20) is provided on the outer side wall of the lower oil chamber (17).

8. The self-lubricating agricultural machinery bearing according to claim 3, characterized in that: The oil storage tank (13) is provided with an oil filling hole (20).

Images