CN218509968U

CN218509968U - Precision aligning roller bearing

Info

Publication number: CN218509968U
Application number: CN202222317962.2U
Authority: CN
Inventors: 张麒; 于成滨; 孙明迪
Original assignee: Wafangdian General Metallurgical Bearing Manufacturing Co ltd
Current assignee: Wafangdian General Metallurgical Bearing Manufacturing Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-02-21
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses an accurate aligning roller bearing belongs to bearing technical field, and it includes the bearing inner race, the bearing inner race is provided with the holder outward, be provided with a plurality of roller in the holder, the roller is provided with the bearing inner race outward, be provided with adjusting part in the bearing inner race, a plurality of oil outlet has been seted up in the adjusting part, roller and adjusting part overlap joint, adjusting part includes the slot rolling, the quantity of slot rolling is two, and two slot rolling are all seted up in the bearing inner race. This precision aligning roller bearing through setting up adjusting part, this bearing passes through adjusting part in the use, can highly adjust the extension board to adjust the diameter of raceway, make the raceway after the adjustment can laminate with the roller, thereby avoid the raceway be difficult to with the condition of roller laminating after wearing and tearing, thereby guaranteed the roller at the stability of raceway internal rotation, and then guaranteed bearing pivoted stability.

Description

Precision self-aligning roller bearing

Technical Field

The utility model belongs to the technical field of the bearing, specifically be an accurate aligning roller bearing.

Background

Self-aligning roller bearing has two rows of rollers, mainly bears radial load, also can bear the axial load of arbitrary direction simultaneously, has higher radial load ability, work under specially adapted heavy load or vibration load, current self-aligning roller bearing is in long-time use, roller and raceway can be in the friction state for a long time, make the raceway can produce wearing and tearing at the friction in-process, thereby lead to the clearance grow of roller and raceway, and then cause the condition that roller and raceway do not laminate, influence the stability that the bearing used.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the above-mentioned defect of prior art, the utility model provides a precision aligning roller bearing has solved current aligning roller bearing and in long-time use, and the roller can be in the friction state with the raceway for a long time, makes the raceway can produce wearing and tearing at the friction in-process, thereby leads to the clearance grow of roller and raceway, and then causes the condition that roller and raceway do not laminate, influences bearing stability in use's problem.

(II) technical scheme

In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a precision aligning roller bearing, includes the bearing inner race, the bearing inner race is provided with the holder outward, be provided with a plurality of roller in the holder, the roller is provided with the bearing inner race outward, be provided with adjusting part in the bearing inner race, a plurality of oil outlet has been seted up in the adjusting part, roller and adjusting part overlap joint, adjusting part includes the slot, the quantity of slot is two, and two slots are all seted up in the bearing inner race, be provided with the raceway in the slot, raceway and roller overlap joint, the upper surface of raceway is provided with the extension board, the bearing inner race passes through screw hole and adjusting bolt threaded connection, adjusting bolt's lower surface and the last fixed surface of extension board are connected, the upper surface of extension board and the bottom fixed connection of guide bar, guide bar sliding connection is in the bearing inner race.

As a further aspect of the present invention: the bearing outer ring is internally provided with a lubrication groove, the lubrication groove is internally provided with oil absorption cotton, and the bearing outer ring is internally provided with an oil filling hole.

As a further aspect of the present invention: an oil filling pipe is arranged in the oil filling hole, a sealing plug is arranged in the oil filling pipe, and the oil filling hole is communicated with the lubricating groove.

As a further aspect of the present invention: a plurality of oil outlets are formed in the rolling groove and the rolling path and communicated with the lubricating groove, the rollers are matched with the rolling path in shape, and a plurality of pockets are formed in the retainer.

As a further aspect of the present invention: the bearing comprises a bearing inner ring and a bearing outer ring, wherein the bearing inner ring is provided with a key groove, the key groove is arranged in the bearing inner ring, and the bearing outer ring is provided with a wear-resistant layer.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this precision aligning roller bearing, through setting up adjusting part, when needs are adjusted the raceway, because adjusting bolt and bearing inner race are threaded connection, can realize reciprocating of extension board through rotating adjusting bolt, the diameter of raceway can be changed at the in-process that reciprocates to the extension board, thereby accomplish the adjustment of raceway, this bearing passes through adjusting part in the use, can adjust the height of extension board, thereby adjust the diameter of raceway, make the raceway after the adjustment can laminate with the roller, thereby avoid the raceway be difficult to with the condition of roller laminating after wearing and tearing, thereby guaranteed the roller at the internal stability of raceway, and then guaranteed bearing pivoted stability.

2. This accurate self-aligning roller bearing, it is cotton through setting up oil filler point and oil absorption, can lubricate processing to roller and holder, thereby avoid the roller to be in the state of hard friction at high-speed pivoted in-process because lubricated not enough messenger's roller and holder, and then avoided roller and this bearing serious condition of wearing and tearing to appear, the pocket hole can be with the roller restriction at the pocket downthehole, thereby avoid the roller to drop at the pivoted in-process from the pocket downthehole, and then guaranteed the stability of roller at the pivoted in-process.

3. This precision aligning roller bearing through setting up the sealing plug, the sealing plug can seal the oil filler point and handle to avoid lubricating oil to flow from the oil filler point and cause the extravagant condition, roller and raceway looks adaptation can guarantee that the roller can be at the stable rotation of raceway, and then has guaranteed bearing pivoted stability.

Drawings

Fig. 1 is a schematic three-dimensional structure of the present invention;

FIG. 2 is a schematic structural diagram of the oil absorbent cotton of the present invention;

FIG. 3 is a schematic view of a three-dimensional cross-sectional structure of the raceway of the present invention;

fig. 4 is a schematic view of a three-dimensional cross-sectional structure of the bearing outer ring of the present invention;

in the figure: 1 bearing inner ring, 2 cage, 3 rollers, 4 pockets, 5 bearing outer rings, 6 adjusting components, 601 rolling grooves, 602 rolling ways, 603 extending plates, 604 adjusting bolts, 605 guide rods, 7 lubricating grooves, 8 oil-absorbing cotton, 9 oil-injecting holes, 10 oil-injecting pipes, 11 sealing plugs, 12 oil-injecting holes and 13 key grooves.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-4, the utility model provides a technical solution: the utility model provides a precision aligning roller bearing, including bearing inner race 1, bearing inner race 1 is provided with holder 2 outward, be provided with a plurality of roller 3 in the holder 2, roller 3 is provided with bearing outer lane 5 outward, be provided with adjusting part 6 in the bearing outer lane 5, a plurality of oil outlet 12 has been seted up in adjusting part 6, roller 3 and adjusting part 6 overlap joint, adjusting part 6 includes slot 601, the quantity of slot 601 is two, two slot 601 are all seted up in bearing outer lane 5, be provided with raceway 602 in the slot 601, raceway 602 and roller 3 overlap joint, the upper surface of raceway 602 is provided with extension board 603, bearing outer lane 5 passes through screw hole and adjusting bolt 604 threaded connection, through setting up adjusting bolt 604, can adjust the height of extension board 603, thereby adjust the diameter of raceway 602, make roller 3 can be applicable to 3 of equidimension not, thereby the suitability of this bearing has been improved, the lower surface of adjusting bolt 604 is connected with the upper surface fixed connection of extension board 603, the upper surface of extension board is connected with the bottom fixed connection of guide bar, through setting up the guide bar, can play the in-process of extension board removal 605 and the stability of guide bar 605, thereby the bearing outer lane, thereby the stability of the bearing in-process of the bearing extension board 605 has been guaranteed.

Specifically, as shown in fig. 1, fig. 2 and fig. 3, lubrication groove 7 has been seted up in bearing outer ring 5, be provided with the oil absorption cotton 8 in the lubrication groove 7, oil filler point 9 has been seted up in bearing outer ring 5, through setting up oil filler point 9 and oil absorption cotton 8, can lubricate processing to roller 3 and holder 2, thereby avoid roller 3 to be in the state of hard friction at high-speed pivoted in-process because lubricated not enough messenger roller 3 and holder 2, and then avoided roller 3 and this bearing the serious condition of wearing and tearing to appear, be provided with filler pipe 10 in the oil filler point 9, be provided with sealing plug 11 in the filler pipe 10, oil filler point 9 is linked together with lubrication groove 7, through setting up sealing plug 11, sealing plug 11 can carry out sealing processing with oil filler point 9, thereby avoid lubricating oil from flowing out the extravagant condition that causes in the oil filler point 9.

Specifically, as shown in fig. 1, fig. 3 and fig. 4, as a further aspect of the present invention: a plurality of oil outlet 12 has all been seted up in the rolling groove 601 and the raceway 602, oil outlet 12 is linked together with lubrication groove 7, roller 3 and raceway 602's shape looks adaptation, a plurality of pocket 4 has been seted up in the holder 2, through setting up pocket 4, can restrict roller 3 in pocket 4, thereby avoid roller 3 to drop from pocket 4 at the pivoted in-process, and then guaranteed roller 3 stability at the pivoted in-process, the upper surface of bearing inner race 5 and the upper surface of bearing inner race 1 all are provided with the wearing layer, through setting up the wearing layer, when external object takes place the friction with the bearing, can earlier take place the friction with the wearing layer, it just can take place the friction with the bearing to treat that the wearing layer consumes, and then avoided the bearing and the external object condition that the wearing and tearing lead to the damage that takes place, keyway 13 has been seted up in the bearing inner race 1, through setting up keyway 13, be convenient for this bearing and pivot be connected, the compactness that bearing and pivot are connected has also been guaranteed simultaneously, avoid the bearing to take place the condition that breaks away from at the pivoted in-process and the pivot.

The utility model discloses a theory of operation does:

when the roller path 602 needs to be adjusted, the adjusting bolt 604 is in threaded connection with the bearing outer ring 5, the adjusting bolt 604 can be rotated to move up and down, and meanwhile, the adjusting bolt 604 is connected with the extension plate 603, so that the adjusting bolt 604 can drive the extension plate 603 to move up and down in the up and down moving process, the diameter of the roller path 602 can be changed in the up and down moving process of the extension plate 603, and the adjustment of the roller path 602 is completed, before the bearing is used, the sealing plug 11 is taken out of the oil filling pipe 10, then lubricating oil is injected into the oil filling pipe 10 through the oil filling pipe 10, then the lubricating oil flows in the oil filling pipe 10, then flows into the lubricating groove 7 along the oil filling hole 9, then the lubricating oil is absorbed through the oil cotton 8, when the oil suction bearing is used, the roller 3 can rotate along with the bearing, the roller 3 contacts and rubs with the roller path 602 in the rotating process, so that the roller path 602 can extrude the oil cotton 8, when the oil cotton 8 is extruded, then the lubricating oil can flow into the roller 602 through the oil outlet 12, and can lubricate the roller 3 when the roller 3 is contacted with the roller.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present invention have been described in detail, the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims

1. The utility model provides a precision self-aligning roller bearing, includes bearing inner race (1), its characterized in that: the bearing inner race (1) is externally provided with a retainer (2), be provided with a plurality of roller (3) in the retainer (2), roller (3) are externally provided with bearing outer ring (5), be provided with adjusting part (6) in bearing outer ring (5), seted up a plurality of oil outlet (12) in adjusting part (6), roller (3) and adjusting part (6) overlap joint, adjusting part (6) are including raceway (601), the quantity of raceway (601) is two, and two raceways (601) are all seted up in bearing outer ring (5), be provided with raceway (602) in raceway (601), raceway (602) and roller (3) overlap joint, the upper surface of raceway (602) is provided with extension plate (603), bearing outer ring (5) are through screw hole and adjusting bolt (604) threaded connection, the lower surface of adjusting bolt (604) and the upper surface fixed connection of extension plate (603), the upper surface of extension plate (603) and the bottom fixed connection of guide bar (605), the sliding connection is in bearing outer ring (605).

2. A precision self-aligning roller bearing according to claim 1, wherein: seted up lubrication groove (7) in bearing inner race (5), be provided with the oil absorption cotton (8) in lubrication groove (7), set up oil filler point (9) in bearing inner race (5).

3. A precision self-aligning roller bearing according to claim 2, wherein: be provided with in oil filler point (9) and annotate oil pipe (10), be provided with sealing plug (11) in annotating oil pipe (10), oil filler point (9) are linked together with lubrication groove (7).

4. A precision self-aligning roller bearing according to claim 2, wherein: a plurality of oil outlet holes (12) are formed in the rolling groove (601) and the roller path (602), the oil outlet holes (12) are communicated with the lubricating groove (7), the rollers (3) are matched with the roller path (602) in shape, and a plurality of pocket holes (4) are formed in the retainer (2).

5. A precision self-aligning roller bearing according to claim 1, wherein: the bearing is characterized in that the upper surfaces of the bearing outer ring (5) and the bearing inner ring (1) are provided with wear-resistant layers, and key grooves (13) are formed in the bearing inner ring (1).