Self-aligning tapered roller bearing

Abstract

The utility model discloses a self-aligning tapered roller bearing which comprises a bearing outer ring and a bearing inner ring, the bearing inner ring is sleeved in the bearing outer ring, a retainer is sleeved between the bearing inner ring and the bearing outer ring, arc-shaped openings are formed in the two sides of the retainer, tapered rollers are sleeved in the arc-shaped openings, and the tapered rollers are sleeved in the tapered rollers. The tapered rollers are respectively in rolling fit with the bearing outer ring and the bearing inner ring; one end of the bearing inner ring is movably connected with an outer limiting convex plate, a micro screw hole is formed between the outer limiting convex plate and the bearing inner ring, and a screw rod penetrates through the interior of the micro screw hole. By arranging the screw rod, the micro screw hole, the limiting convex plate and the bearing inner ring, when maintenance is needed in the using process, the screw rod can be disassembled in a reverse thread mode and then is separated from the micro screw hole, so that the outer limiting convex plate and the bearing inner ring can be disassembled and separated, and internal lubricating oil and a tapered roller can be disassembled and separated; and the maintenance and overhaul work of the bearing structure is completed.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of tapered roller bearing, concretely to a self-aligning tapered roller bearing. BACKGROUND

[0002] The working condition of the continuous casting equipment has very high requirements on the bearing, the bearing bears heavy load at low speed, and must ensure stable operation under high temperature and water spraying environment. The self-aligning roller bearing for continuous casting equipment is affected by dust, especially the rollers, and the accumulation of dust affects the normal use of the bearing.

[0003] The self-aligning tapered roller bearing in the prior art needs to be maintained frequently during use to achieve efficient operation, and the traditional way is not convenient for disassembling the bearing, so that the tapered roller is damaged or the lubricating oil is not easy to clean when the impurities are more, and use is inconvenient. UTILITY MODEL CONTENTS

[0004] The utility model discloses a self-aligning tapered roller bearing, when needing to maintain during use, can be disassembled with reverse thread of screw rod, then separates from miniature screw hole, can disassemble and separate outer limit protruding plate and bearing inner race, can separate and separate internal lubricating oil and tapered roller, completes the maintenance and overhaul work of bearing structure.

[0005] In order to achieve the above object, a self-aligning tapered roller bearing is provided, which comprises: a bearing outer ring and a bearing inner ring, the inside of the bearing outer ring is sleeved with the bearing inner ring, a retainer is sleeved between the bearing inner ring and the bearing outer ring, arc-shaped openings are formed on both sides of the retainer, tapered rollers are sleeved in the arc-shaped openings, and the tapered rollers are rollingly matched with the bearing outer ring and the bearing inner ring respectively.

[0006] One end of the bearing inner ring is movably connected with an outer limit protruding plate, miniature screw holes are formed between the outer limit protruding plate and the bearing inner ring, and a screw rod penetrates the inside of the miniature screw hole.

[0007] According to the self-aligning tapered roller bearing, an oil injection pipe is formed in the inner wall of one side of the bearing outer ring, and the oil injection pipe is Y-shaped.

[0008] According to the self-aligning tapered roller bearing, dust cover plates are clamped on both sides of the bearing outer ring and the bearing.

[0009] According to the self-aligning tapered roller bearing, a sealing plug is inserted into one end of the oil injection pipe.

[0010] According to the self-aligning tapered roller bearing, the screw rod is rod-shaped, a cross groove is formed in the end portion of the screw rod, and the end portion of the screw rod is flush with the outer surface of the outer limit protruding plate.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] 1、The utility model relates to a self-aligning tapered roller bearing, be provided with: sealing plug, oil injection pipe, retainer and tapered roller, when using process can open through sealing plug, can inject lubricating oil in the inside of oil injection pipe, through oil injection pipe Y shape setting, can disperse the circulation of lubricating oil between retainer and tapered roller, when the rotation process of tapered roller can drive lubricating oil and carry out lubrication operation, thereby keep lubricating effect, through this structure can supplement lubricating oil.

[0013] 2、The utility model relates to a self-aligning tapered roller bearing, be provided with: screw rod, micro screw hole, limit protruding plate and bearing inner race, when using process needs to maintain when can reverse thread dismounting screw rod, then separate micro screw hole, can to outer limit protruding plate and bearing inner race and carry out dismounting separation, can split off inside lubricating oil and tapered roller, complete the maintenance and overhaul work of bearing structure.

[0014] Additional aspects and advantages of the utility model will be partially given in the following description, some will become obvious from the following description, or be understood by the practice of the utility model. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model is further explained below in combination with the drawings and examples;

[0016] Figure 1 It is the sectional view of the utility model of a self-aligning tapered roller bearing;

[0017] Figure 2 It is the split drawing of bearing outer ring and dust cover of the utility model of a self-aligning tapered roller bearing;

[0018] Figure 3 It is the split drawing of bearing inner race and outer limit protruding plate of the utility model of a self-aligning tapered roller bearing;

[0019] Figure 4 It is the enlarged view of bearing inner race structure of the utility model of a self-aligning tapered roller bearing.

[0020] In the drawing: 1, bearing outer ring;2, oil injection pipe;3, retainer;4, tapered roller;5, bearing inner race;6, dust cover;7, sealing plug;8, micro screw hole;9, screw rod;10, outer limit protruding plate. DETAILED DESCRIPTION

[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] Please refer to Figures 1-4 The utility model provides a technical scheme: a kind of aligning conical roller bearing, it include: bearing outer ring 1 and bearing inner ring 5, the inside of bearing outer ring 1 is equipped with bearing inner ring 5, bearing inner ring 5 and bearing outer ring 1 between are equipped with retainer 3, by bearing retainer 3 fixed in the inside of bearing outer ring 1 and bearing inner ring 5, and by conical roller 4 are equipped in the inside of retainer 3, the both sides of retainer 3 are all equipped with arc opening, by arc opening can be matched with conical roller 4, reach limit clamping, keep stable rotation, arc opening is equipped with conical roller 4 in the inside, conical roller 4 respectively and bearing outer ring 1, bearing inner ring 5 rolling fit, bearing outer ring 1 and bearing you full 5 both sides are clamped with dust cover 6, by dust cover 6 is covered, can block the dust outside;

[0023] The one end of bearing inner ring 5 is movably connected with outer limit protruding plate 10, conical roller 4 can be blocked by outer limit protruding plate 10, micro screw hole 8 is all equipped between outer limit protruding plate 10 and bearing inner ring 5, micro screw hole 8 is penetrated with screw rod 9 in the inside, screw rod 9 is disassembled in reverse thread, then separates micro screw hole 8, can bearing inner ring 5 and outer limit protruding plate 10 are disassembled and separated, can split and separate internal lubricating oil and conical roller 4, complete maintenance and overhaul work to bearing structure, screw rod 9 is rod-shaped, and cross slot is equipped in end portion, rotation installation and disassembly are realized by cross slot, the end of screw rod 9 and the outer surface of outer limit protruding plate 10 are flush, oil injection pipe 2 is equipped in the inner wall of one side of bearing outer ring 1, oil injection pipe 2 is Y-shaped, can be dispersed and circulated to the inside of retainer 3 and conical roller 4 by the Y-shaped setting of oil injection pipe 2, can drive lubricating oil to carry out lubrication operation during the rotation of conical roller 4, so as to keep lubricating effect, sealing plug 7 is inserted in one end of oil injection pipe 2, when using process, can be opened by sealing plug 7, lubricating oil can be injected in the inside of oil injection pipe 2.

[0024] Working principle: in use first through the bearing retainer 3 is fixed in the bearing outer ring 1 and the inside of bearing inner ring 5, and through the tapered roller 4 is set in the inside of retainer 3, then through the dust cover 6 is closed, then when the use process can be through the sealing plug 7 is opened, that is, the lubricating oil is injected in the inside of oil injection pipe 2, through the Y-shaped setting of oil injection pipe 2, can be dispersed to the lubricating oil between retainer 3 and tapered roller 4, when the tapered roller 4 rotates in the process can drive the lubricating oil to carry on the lubricating operation, so as to keep the lubricating effect, when the use process needs to be maintained can be reversed threaded screw rod 9 disassembly, then separate from the micro screw hole 8, that is, the outer limit protruding plate 10 and bearing inner ring 5 can be disassembled and separated, the internal lubricating oil and tapered roller 4 can be separated, complete the maintenance and overhaul work of bearing structure.

[0025] The above describes the embodiments of the present application in detail in combination with the drawings, but the present application is not limited to the above embodiments, and various changes can be made within the knowledge of those skilled in the art without departing from the spirit of the present application.

Claims

1. A trochoidal roller bearing, comprising: The bearing outer ring (1) and the bearing inner ring (5) are characterized in that the bearing inner ring (5) is sleeved on the inside of the bearing outer ring (1), the retainer (3) is sleeved between the bearing inner ring (5) and the bearing outer ring (1), arc-shaped openings are formed on both sides of the retainer (3), the tapered rollers (4) are sleeved in the arc-shaped openings, and the tapered rollers (4) are respectively in rolling contact with the bearing outer ring (1) and the bearing inner ring (5). One end of the bearing inner ring (5) is movably connected with the outer limiting lug plate (10), micro screw holes (8) are formed between the outer limiting lug plate (10) and the bearing inner ring (5), and the screw rods (9) are penetrated into the micro screw holes (8).

2. A spherical tapered roller bearing as set forth in claim 1, characterized in that: An oil injection pipe (2) is formed in the inner wall of one side of the bearing outer ring (1), and the oil injection pipe (2) is in the shape of Y.

3. A spherical tapered roller bearing as set forth in claim 1 wherein: Dust cover plates (6) are clamped on both sides of the bearing outer ring (1) and the bearing inner ring (5).

4. A spherical tapered roller bearing as set forth in claim 2 wherein: A sealing plug (7) is inserted into one end of the oil injection pipe (2).

5. A spherical tapered roller bearing as set forth in claim 1, characterized in that: The screw rod (9) is in the shape of a rod, a cross-shaped groove is formed in the end of the screw rod (9), and the end of the screw rod (9) is flush with the outer surface of the outer limiting lug plate (10).

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