Rotating part for mechanical equipment

Abstract

The utility model discloses a rotating part used on mechanical equipment, which is characterized by comprising a bearing base, a bearing bush and a bearing cover, the bearing base is provided with a semicircular lower arc-shaped groove, the bearing cover is locked at the upper end of the bearing base through a bolt, the bearing cover is provided with an upper arc-shaped groove matched with the lower arc-shaped groove, and the bearing bush is arranged on the bearing cover. The bearing bush comprises a lower bearing bush body and an upper bearing bush body which are combined into the circular shape, the lower bearing bush body is arranged in the lower arc-shaped groove in a sliding mode, the upper bearing bush body is arranged in the upper arc-shaped groove in a sliding mode, and PEEK film layers are arranged on the faces, facing the bearing cover and the bearing base, of the upper bearing bush body and the lower bearing bush body respectively. The oil injection groove is communicated with the upper arc-shaped groove, the bearing bush is in contact rotation with the bearing base and the bearing cover through the PEEK film layer, and due to the fact that the PEEK film layer has the excellent sliding characteristic, the friction coefficient between the bearing base and the bearing cover is reduced, and the service life of the bearing bush can be prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of bearings, in particular to a rotating part used in mechanical equipment. Background Art

[0002] Bearing is an important component in contemporary mechanical equipment. Its main function is to support the mechanical rotating body, reduce the friction coefficient during its movement, and ensure its rotation accuracy. Bearings include rolling bearings and sliding bearings, among which sliding bearings are bearings that work under sliding friction. Sliding bearings work smoothly, reliably and without noise. Usually, sliding bearings include a bearing seat, a bearing cover and a bushing. The bushing is installed between the bearing seat and the bearing cover for rotation. The bushing in the prior art will cause loss due to friction with the bearing seat and the bearing cover during rotation. After a long time, the increase in loss can easily cause the bushing to be unstable. Utility Model Content

[0003] In order to solve the above-mentioned deficiencies in the prior art, the utility model provides a rotating part used in mechanical equipment.

[0004] In order to achieve the above technical effects, the utility model adopts the following scheme:

[0005] A rotating part for mechanical equipment includes a bearing base, a bearing shell and a bearing cover, wherein the bearing base is provided with a semicircular lower arc groove, the bearing cover is locked to the upper end of the bearing base by bolts, the bearing cover is provided with an upper arc groove matching the lower arc groove, the upper arc groove and the lower arc groove are combined to form a circular shape, the bearing shell includes a lower bearing shell and an upper bearing shell combined into a circular shape, the lower bearing shell is slidably arranged in the lower arc groove, the upper bearing shell is slidably arranged in the upper arc groove, a PEEK film layer is provided on the surface of the upper bearing shell and the lower bearing shell facing the bearing cover and the bearing base respectively, the upper end of the bearing cover is provided with an oil filling groove, and the oil filling groove is connected to the upper arc groove.

[0006] A preferred technical solution is that both sides of the lower arc groove are recessed inwardly and have lower arc openings, and the length of the lower arc openings is set along the length of the lower arc groove; both sides of the upper arc groove are recessed inwardly and have upper arc openings, and the length of the upper arc openings is set along the length of the upper arc groove; the lower bearing shell includes a lower base plate bent into an arc shape, the lower base plate fits in the lower arc groove, and the two sides of the lower base plate are respectively bent toward the lower arc opening to form lower side edges; the upper bearing shell includes an upper base plate bent into an arc shape, the upper base plate fits in the upper arc groove, and the two sides of the upper base plate are respectively bent toward the upper arc opening to form upper side edges.

[0007] In a preferred technical solution, a lower mounting groove is formed on the side surface of the lower edge, and an upper mounting groove is formed on the side surface of the upper edge. When the lower bearing shell and the upper bearing shell are closed, the lower mounting groove and the upper mounting groove are closed to form a sealing groove, and a sealing ring is clamped in the sealing groove. Part of the sealing ring protrudes from the sealing groove and abuts against the inner walls of the upper arc opening and the lower arc opening.

[0008] In a preferred technical solution, a lower limiting edge is protrudingly provided along the length direction on the surface of the lower bearing shell that is in contact with the lower arc-shaped groove, and an upper limiting edge is protrudingly provided along the length direction on the surface of the upper bearing shell that is in contact with the upper arc-shaped groove. A limiting groove matching the upper limiting edge and the lower limiting edge is communicated in the upper arc-shaped groove from the lower arc-shaped groove.

[0009] In a preferred technical solution, the oil injection groove is communicated with the upper arc-shaped groove through a plurality of capillary holes, and a sealing cover is detachably provided at the notch of the oil injection groove.

[0010] Compared with the prior art, the beneficial effects are as follows:

[0011] The utility model has a simple structure and is convenient to use. The bearing shell rotates in contact with the bearing base and the bearing cover through the PEEK film layer. Since the PEEK film layer has excellent sliding characteristics, the friction coefficient between the bearing base and the bearing cover is reduced, and the service life of the bearing shell can be prolonged. Description of the Drawings

[0012] Figure 1 is a schematic structural diagram of the utility model;

[0013] Figure 2 is a cross-sectional schematic diagram of the upper bearing shell in the utility model;

[0014] Figure 3 is a cross-sectional schematic diagram of the utility model.

[0015] Reference numerals: 1, bearing base; 2, bearing cover; 3, bolt; 4, lower arc-shaped groove; 5, lower substrate; 6, lower bearing shell; 7, upper arc-shaped groove; 8, upper substrate; 9, upper bearing shell; 10, oil injection groove; 11, capillary hole; 12, sealing cover; 13, lower limiting edge; 14, upper limiting edge; 15, upper edge; 16, lower edge; 17, lower arc opening; 18, upper arc opening; 19, sealing ring. Detailed Embodiments

[0016] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments.

[0017] A rotating part for mechanical equipment, including a bearing base 1, a bearing bush and a bearing cover 2, the bearing base 1 has a semicircular lower arc groove 4, the bearing cover 2 is locked on the upper end of the bearing base 1 by a bolt 3, the bearing cover 2 has an upper arc groove 7 matching the lower arc groove 4, the upper arc groove 7 and the lower arc groove 4 are combined to form a circular shape, and are matched with the bearing bush for clamping the bearing bush, the bearing bush includes a lower bearing bush 6 and an upper bearing bush 9 combined into a circular shape, the lower bearing bush 6 is slidably arranged in the lower arc groove 4, and the upper bearing bush 9 is slidably arranged in the lower arc groove 4. In the upper arc groove 7, the upper bearing shell 9 and the lower bearing shell 6 are provided with a PEEK film layer on the surface facing the bearing cover 2 and the bearing base 1 respectively. Since the PEEK film layer has excellent sliding properties, the friction coefficient between the bearing base 1 and the bearing cover 2 is reduced, and the service life of the bearing shell can be extended. The upper end of the bearing cover 2 is provided with an oil filling groove 10, and the oil filling groove 10 is connected to the upper arc groove 7. Lubricating oil is added to the oil filling groove 10, and the lubricating oil penetrates into the bearing shell and the upper arc groove 7 and the lower arc groove 4 for lubrication, thereby further reducing the friction coefficient.

[0018] A preferred technical solution is that both sides of the lower arc groove 4 are recessed inwardly and have a lower arc opening 17, and the length of the lower arc opening 17 is set along the length of the lower arc groove 4; both sides of the upper arc groove 7 are recessed inwardly and have an upper arc opening 18, and the length of the upper arc opening 18 is set along the length of the upper arc groove 7; the lower bearing 6 includes a lower base plate 5 bent into an arc shape, and the lower base plate 5 fits in the lower arc groove 4, and the two sides of the lower base plate 5 are respectively bent toward the lower arc opening 17 to form a lower side edge 16; the upper bearing 9 includes an upper base plate 8 bent into an arc shape, and the upper base plate 8 fits in the upper arc groove 7, and the two sides of the upper base plate 8 are respectively bent toward the upper arc opening 18 to form an upper side edge 15.

[0019] In this way, the upper side edge 15 and the lower side edge 16 are used to block the gaps between the bearing shell and the upper arc groove 7 and the lower arc groove 4 to prevent dust and the like from entering therein.

[0020] A preferred technical solution is that a lower mounting groove is provided on the side of the lower side edge 16, and an upper mounting groove is provided on the side of the upper side edge 15. When the lower bearing shell 6 and the upper bearing shell 9 are closed, the lower mounting groove and the upper mounting groove are closed to form a sealing groove, and a sealing ring 19 is clamped in the sealing groove. Part of the sealing ring 19 protrudes out of the sealing groove and is tightly pressed against the inner walls of the upper arc opening 18 and the lower arc opening 17.

[0021] The sealing ring 19 is provided to further prevent dust from entering the gaps between the bearing shell and the upper arc groove 7 and the lower arc groove 4, and to prevent lubricating oil from leaking out.

[0022] In a preferred technical solution, a lower limiting edge 13 is convexly provided along the length direction on the surface of the lower bearing shell 6 that is in contact with the lower arc-shaped groove 4, and an upper limiting edge 14 is convexly provided along the length direction on the surface of the upper bearing shell 9 that is in contact with the upper arc-shaped groove 7. A limiting groove that matches the upper limiting edge 14 and the lower limiting edge 13 is communicated and provided in the upper arc-shaped groove 7 of the lower arc-shaped groove 4.

[0023] In a preferred technical solution, the oil injection groove 10 is communicated with the upper arc-shaped groove 7 through a plurality of capillary holes 11, and a sealing cover 12 is detachably provided at the notch of the oil injection groove 10.

[0024] Through the arrangement of the capillary holes 11, the lubricating oil slowly penetrates, avoiding excessive lubricating oil from leaking out between the gaps between the bearing shell and the upper arc-shaped groove 7 and the lower arc-shaped groove 4.

[0025] In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship in which the product of the present invention is usually placed during use, or the orientation or positional relationship commonly understood by those skilled in the art. It is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as a limitation to the present invention.

[0026] In addition, the terms "first" and "second" are only used for descriptive purposes and cannot be construed as indicating or implying relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present invention, "a plurality" means two or more, unless otherwise specifically defined.

[0027] Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present invention.

Claims

1. A rotating part used in mechanical equipment, characterized in that: The invention comprises a bearing base (1), a bearing shell and a bearing cover (2); the bearing base (1) is provided with a semicircular lower arc groove (4); the bearing cover (2) is locked to the upper end of the bearing base (1) by means of bolts (3); the bearing cover (2) is provided with an upper arc groove (7) matching the lower arc groove (4); the upper arc groove (7) and the lower arc groove (4) are combined to form a circular shape; the bearing shell comprises a lower bearing shell (6) and an upper bearing shell (9) which are combined into a circular shape; the lower bearing shell (6) is slidably arranged in the lower arc groove (4); the upper bearing shell (9) is slidably arranged in the upper arc groove (7); a PEEK film layer is provided on the surface of the upper bearing shell (9) and the lower bearing shell (6) facing the bearing cover (2) and the bearing base (1) respectively; the upper end of the bearing cover (2) is provided with an oil injection groove (10); the oil injection groove (10) is communicated with the upper arc groove (7).

2. The rotating part for mechanical equipment according to claim 1, characterized in that: Both sides of the lower arc groove (4) are recessed inwards and have lower arc openings (17), and the length of the lower arc openings (17) is arranged along the length of the lower arc groove (4). Both sides of the upper arc groove (7) are recessed inwards and have upper arc openings (18), and the length of the upper arc openings (18) is arranged along the length of the upper arc groove (7). The lower bearing (6) comprises a lower base plate (5) bent into an arc shape, and the lower base plate (5) is matched and fitted in the lower arc groove (4). Both sides of the lower base plate (5) are respectively bent towards the lower arc opening (17) to form lower side edges (16). The upper bearing (9) comprises an upper base plate (8) bent into an arc shape, and the upper base plate (8) is matched and fitted in the upper arc groove (7). Both sides of the upper base plate (8) are respectively bent towards the upper arc opening (18) to form upper side edges (15).

3. The rotating part for mechanical equipment according to claim 2, characterized in that: A lower mounting groove is provided on the side of the lower side edge (16), and an upper mounting groove is provided on the side of the upper side edge (15). When the lower bearing shell (6) and the upper bearing shell (9) are closed, the lower mounting groove and the upper mounting groove are closed to form a sealing groove. A sealing ring (19) is clamped in the sealing groove. Part of the sealing ring (19) protrudes from the sealing groove and is tightly pressed against the inner walls of the upper arc opening (18) and the lower arc opening (17).

4. The rotating part for mechanical equipment according to claim 1, characterized in that: The lower bearing shell (6) has a lower limit edge (13) protruding along its length direction on one side abutting against the lower arc groove (4), and the upper bearing shell (9) has an upper limit edge (14) protruding along its length direction on one side abutting against the upper arc groove (7). The lower arc groove (4) has a limit groove connected to the upper arc groove (7) and matching with the upper limit edge (14) and the lower limit edge (13).

5. The rotating part for mechanical equipment according to claim 1, characterized in that: The oil filling groove (10) is connected to the upper arc groove (7) through a plurality of capillary holes (11), and a cover (12) is detachably provided at the groove opening of the oil filling groove (10).

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