CN216131246U

CN216131246U - Tapered roller bearing with sealing structure

Info

Publication number: CN216131246U
Application number: CN202122780803.1U
Authority: CN
Inventors: 卢达; 王毅; 何伟
Original assignee: Wafangdian Weiyuan Bearing Manufacturing Co ltd
Current assignee: Wafangdian Weiyuan Bearing Manufacturing Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-03-25
Anticipated expiration: 2031-11-15

Abstract

The utility model discloses a tapered roller bearing with a sealing structure, which belongs to the technical field of tapered roller bearings and comprises a bearing outer ring, wherein a bearing inner ring is sleeved in the bearing outer ring, a bearing retainer is arranged between the bearing outer ring and the bearing inner ring, a plurality of bearing rollers are hinged in the bearing retainer, and the upper parts of the outer surfaces of the bearing rollers are lapped with the inner surface of the bearing outer ring. This tapered roller bearing with seal structure, through setting up draw-in groove, cardboard, lug, first shrouding, second shrouding, slip crown plate and spout, make the clearance between this device bearing inner race and the bearing inner race effectively shelter from through first shrouding and second shrouding, effectively promote this device internal seal nature to avoid this device external impurity to get into this device through the clearance when using inside, guarantee this device inside cleanliness factor, reduce the inside wear and tear speed of this device, thereby guarantee the life of this device.

Description

Tapered roller bearing with sealing structure

Technical Field

The utility model belongs to the technical field of tapered roller bearings, and particularly relates to a tapered roller bearing with a sealing structure.

Background

The tapered roller bearing mainly bears radial and axial combined loads which are mainly radial, and the tapered roller bearing is widely applied to industries of automobiles, rolling mills, mines, metallurgy, plastic machinery and the like. The tapered roller bearing belongs to a separated bearing, and the inner ring and the outer ring of the bearing are both provided with tapered roller paths. The bearing is divided into single-row, double-row and four-row tapered roller bearings according to the number of rows of rollers. The both sides of traditional tapered roller bearing do not have seal structure usually, and outside impurity very easily gets into inside the bearing through the clearance between bearing inner race and the bearing outer race in the use to lubricating oil in the bearing causes the pollution, leads to the lubricated effect of lubricating oil to reduce, has accelerated the wearing and tearing speed of bearing, very big reduction the life of bearing.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome the defects in the prior art, the utility model provides a tapered roller bearing with a sealing structure, which solves the problems that the two sides of the traditional tapered roller bearing are not provided with the sealing structures, and external impurities easily enter the bearing through a gap between the outer ring and the inner ring of the bearing in the using process, so that the lubricating oil in the bearing is polluted, the lubricating effect of the lubricating oil is reduced, the abrasion speed of the bearing is increased, and the service life of the bearing is greatly reduced.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a tapered roller bearing with seal structure, includes the bearing inner race, the bearing inner race has been cup jointed in the bearing inner race, be provided with the bearing holder between bearing inner race and the bearing outer race, it has a plurality of bearing roller to articulate in the bearing holder, the top of bearing roller surface and the internal surface overlap joint of bearing inner race, the lower surface overlap joint of the roller groove inner wall that the below of bearing roller surface and bearing inner race surface were seted up, a plurality of draw-in groove has all been seted up to the left and right sides face of bearing outer race, the spout has all been seted up to the left and right sides of bearing inner race surface, the left surface of bearing outer race is provided with first shrouding.

The right flank of bearing inner race is provided with the second shrouding, the right flank of first shrouding and the equal fixedly connected with a plurality of cardboard of the left surface of second shrouding, the cardboard joint is in corresponding the draw-in groove, the upper surface and the equal fixedly connected with lug of lower surface of cardboard, the surface of lug and the inner wall overlap joint that corresponds the draw-in groove, two slip ring boards of the equal fixedly connected with in right flank of first shrouding and the left surface of second shrouding, slip ring board sliding connection is in corresponding the spout, four oil filler points have all been seted up to the left surface of first shrouding and the right flank of second shrouding.

As a further scheme of the utility model: the inner wall of the bearing outer ring is fixedly connected with a plurality of lubricating blocks, and the lubricating blocks are graphite lubricating blocks.

As a further scheme of the utility model: the outer surface and the inner wall of the bearing retainer are both provided with a plurality of oil storage tanks, and the bearing roller is a conical bearing roller.

As a further scheme of the utility model: the oil filler point sets up to leaking hopper-shaped, the edge of bearing inner race sets up to circular-arc.

As a further scheme of the utility model: one side of the sliding ring plate, which is close to the bearing inner ring, is arc-shaped, and the first sealing plate and the second sealing plate are both annular.

As a further scheme of the utility model: the oil filler point is located between two corresponding sliding ring plates, and the cross section of the sliding groove is M-shaped.

(III) advantageous effects

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

1. the tapered roller bearing with the sealing structure has the advantages that the arrangement of the clamping groove, the clamping plate, the convex block, the first sealing plate, the second sealing plate, the sliding ring plate and the sliding groove enables the device to be respectively clamped with the first sealing plate and the second sealing plate through the clamping groove on the left side surface and the right side surface of the bearing outer ring after the assembly is completed, so that the gap between the bearing inner rings of the bearing outer ring is effectively shielded, a closed space is formed between the bearing outer ring and the bearing inner rings, the arrangement of the sliding ring plate and the sliding groove simultaneously enables the first sealing plate and the second sealing plate to be matched with the bearing inner rings through the sliding ring plate, the two sliding ring plates are both connected in the sliding groove in a sliding manner, the sealing effect of the first sealing plate and the second sealing plate can be ensured, the normal rotation of the bearing outer ring can be ensured, the arrangement of the structures enables the gap between the bearing inner rings and the bearing outer ring of the device to be effectively shielded through the first sealing plate and the second sealing plate, effectively promote this device internal seal nature to avoid this device external impurity to get into this device through the clearance when using inside, guarantee this device inside cleanness, reduce the inside wearing and tearing speed of this device, thereby guarantee the life of this device.

2. This tapered roller bearing with seal structure, through setting up the bearing inner race, the lubricating piece, bearing holder and oil storage tank, the setting of bearing inner race and lubricating piece, after this device is used for a long time, lubricating oil consumes when too much, the bearing roller can produce a large amount of graphite particles through the friction between with the lubricating piece, thereby make this device inside can carry out self-lubricate through graphite, avoid appearing the condition of the wearing and tearing acceleration because of lacking oil and causing, and the setting of bearing holder and oil storage tank, make behind the inside lubricating oil that adds of this device, a certain amount of lubricating oil can be stored in the oil storage tank on bearing holder surface, slowly flow out in the use lubricates, promote the inside lubricated effect of this device.

3. This tapered roller bearing with seal structure, through setting up the cardboard, lug and oil filler point, the setting of cardboard and lug, it is protruding to make cardboard surface form, can form the dead structure of self-locking after the cardboard card is gone into the draw-in groove is inside, the joint stability of first shrouding and second shrouding is ensured, the sealed effect of guarantee, and the setting of oil filler point, be convenient for add lubricating oil to the spout through the oil filler point after first shrouding and second shrouding installation, thereby reduce the frictional force of slip ring board and spout inner wall, ensure the rotation effect of bearing inner race.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic cross-sectional view of the front view of the present invention;

FIG. 3 is a schematic perspective sectional view of the first sealing plate of the present invention;

FIG. 4 is a schematic sectional view of a bearing roller according to the present invention;

in the figure: the bearing comprises a bearing outer ring 1, a bearing inner ring 2, a bearing retainer 3, a bearing roller 4, a clamping groove 5, a sliding groove 6, a first sealing plate 7, a second sealing plate 8, a clamping plate 9, a bump 10, a sliding ring plate 11, an oil injection hole 12, a lubricating block 13 and an oil storage groove 14.

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 to 4, the present invention provides a technical solution: a tapered roller bearing with a sealing structure comprises a bearing outer ring 1, a bearing inner ring 2 is sleeved in the bearing outer ring 1, a bearing retainer 3 is arranged between the bearing outer ring 1 and the bearing inner ring 2, a plurality of bearing rollers 4 are hinged in the bearing retainer 3, the upper part of the outer surface of each bearing roller 4 is in lap joint with the inner surface of the bearing outer ring 1, the lower part of the outer surface of each bearing roller 4 is in lap joint with the lower surface of the inner wall of a roller groove formed in the outer surface of the bearing inner ring 2, a plurality of clamping grooves 5 are formed in the left side surface and the right side surface of the bearing outer ring 1, the clamping grooves 5 are arranged, a first sealing plate 7 and a second sealing plate 8 are convenient to install, so that the integral assembly of the device can be rapidly and effectively completed, meanwhile, the first sealing plate 7 and the second sealing plate 8 can be conveniently detached, the inside of the device can be conveniently overhauled and maintained, sliding grooves 6 are formed in the left side and the right side surface of the bearing inner ring 2, the left side of the bearing outer ring 1 is provided with a first sealing plate 7.

The right side surface of the bearing outer ring 1 is provided with a second seal plate 8, the first seal plate 7 and the second seal plate 8 are arranged, so that the device can be respectively clamped with the first seal plate 7 and the second seal plate 8 through the clamping grooves 5 on the left side surface and the right side surface of the bearing outer ring 1 after the assembly is completed, so that a gap between the bearing inner rings 2 of the bearing outer ring 1 is effectively shielded, and a closed space is formed between the bearing outer ring 1 and the bearing inner rings 2, the right side surface of the first seal plate 7 and the left side surface of the second seal plate 8 are both fixedly connected with a plurality of clamping plates 9, the clamping plates 9 are clamped in the corresponding clamping grooves 5, the upper surface and the lower surface of each clamping plate 9 are both fixedly connected with a lug 10, the outer surface of each lug 10 is lapped with the inner wall of the corresponding clamping groove 5, the right side surface of the first seal plate 7 and the left side surface of the second seal plate 8 are both fixedly connected with two sliding ring plates 11, the sliding ring plates 11 are slidably connected in the corresponding sliding grooves 6, the setting of slip ring board 11 and spout 6 makes first shrouding 7 cooperate with bearing inner race 2 through slip ring board 11 with second shrouding 8, and two equal sliding connection of slip ring board 11 not only can ensure the sealed effect of first shrouding 7 and second shrouding in spout 6, can ensure bearing inner race 1's normal rotation simultaneously, and four oil filler point 12 have all been seted up to the left surface of first shrouding 7 and the right flank of second shrouding 8.

Specifically, as shown in fig. 2, a plurality of lubricating block 13 of inner wall fixedly connected with of bearing inner race 1, lubricating block 13 sets up to the graphite lubricating block, lubricating block 13's setting, after this device is used for a long time, when lubricating oil consumes too much, bearing roller 4 can produce a large amount of graphite particles through the friction with between lubricating block 13 to make this device inside can carry out self-lubricate through graphite, a plurality of oil storage tank 14 has all been seted up to bearing holder 3's surface and inner wall, bearing roller 4 sets up to the conical bearing roller.

Specifically, as shown in fig. 3 and 4, oil filler point 12 sets up to leaking hopper-shaped, the setting of oil filler point 12, be convenient for add lubricating oil in 6 spouts through oil filler point 12 after first shrouding 7 and the installation of second shrouding 8, thereby reduce the frictional force of

slip ring board

11 and 6 inner walls of spout, guarantee bearing inner race 1's rotation effect, bearing inner race 1's edge sets up to circular-arcly, the one side that slip ring board 11 is close to bearing inner race 2 sets up to arc, first shrouding 7 and second shrouding 8 all set up to circle ring shape, oil filler point 12 is located and corresponds between two slip ring boards 11, spout 6's cross-section sets up to M shape.

The working principle of the utility model is as follows:

when the device is needed to be used, firstly, when the bearing is assembled, the bearing inner ring 2, the bearing retainer 3 and the bearing roller 4 are matched and clamped into the bearing outer ring 1, at the moment, lubricating oil is injected between the bearing inner ring 2 and the bearing outer ring 1 is rotated, after the lubricating oil is added, the first seal plate 7 can be taken out, the first seal plate 7 is clamped into a plurality of clamping grooves 5 on the left side surface of the bearing outer ring 1 through a plurality of clamping plates 9, the right side surface of the first seal plate 7 is fully attached to the left side surface of the bearing outer ring 1, at the moment, the two sliding ring plates 11 can be matched and clamped into the sliding groove 6 on the left side surface of the bearing inner ring 2, when the bearing rotates, the two sliding ring plates 11 can synchronously rotate along the sliding groove 6, the second seal plate 8 is matched and clamped on the right side surface of the bearing outer ring 1 in a similar manner, at the moment, a proper amount of lubricating oil is injected into the sliding groove 6 through the oil injection hole 12, install this device cooperation and can normally use in treating the use position, first shrouding 7 and second shrouding 8 can cooperate bearing inner race 1 and bearing inner race 2 to form airtight environment during the use.

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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a tapered roller bearing with seal structure, includes bearing inner race (1), its characterized in that: the bearing outer ring (1) is sleeved with a bearing inner ring (2), a bearing retainer (3) is arranged between the bearing outer ring (1) and the bearing inner ring (2), a plurality of bearing rollers (4) are hinged in the bearing retainer (3), the upper part of the outer surface of each bearing roller (4) is lapped with the inner surface of the bearing outer ring (1), the lower part of the outer surface of each bearing roller (4) is lapped with the lower surface of the inner wall of a roller groove formed in the outer surface of the bearing inner ring (2), the left side surface and the right side surface of the bearing outer ring (1) are respectively provided with a plurality of clamping grooves (5), the left side surface and the right side surface of the bearing inner ring (2) are respectively provided with a sliding groove (6), and the left side surface of the bearing outer ring (1) is provided with a first sealing plate (7);

the right flank of bearing inner race (1) is provided with second shrouding (8), the right flank of first shrouding (7) and the equal fixedly connected with a plurality of cardboard (9) of the left surface of second shrouding (8), cardboard (9) joint is in corresponding draw-in groove (5), the upper surface and the equal fixedly connected with lug (10) of lower surface of cardboard (9), the surface of lug (10) and the inner wall overlap joint that corresponds draw-in groove (5), two slip ring boards (11) of the equal fixedly connected with in left flank of the right flank of first shrouding (7) and the left surface of second shrouding (8), slip ring board (11) sliding connection is in corresponding spout (6), four oil filler point (12) have all been seted up to the left flank of first shrouding (7) and the right flank of second shrouding (8).

2. The tapered roller bearing with a seal structure according to claim 1, characterized in that: the bearing outer ring is characterized in that a plurality of lubricating blocks (13) are fixedly connected to the inner wall of the bearing outer ring (1), and the lubricating blocks (13) are graphite lubricating blocks.

3. The tapered roller bearing with a seal structure according to claim 1, characterized in that: the outer surface and the inner wall of the bearing retainer (3) are provided with a plurality of oil storage tanks (14), and the bearing roller (4) is a conical bearing roller.

4. The tapered roller bearing with a seal structure according to claim 1, characterized in that: the oil filler point (12) sets up to leak hopper-shaped, the edge of bearing inner race (1) sets up to circular-arc.

5. The tapered roller bearing with a seal structure according to claim 1, characterized in that: one surface of the sliding ring plate (11) close to the bearing inner ring (2) is arc-shaped, and the first sealing plate (7) and the second sealing plate (8) are both circular.

6. The tapered roller bearing with a seal structure according to claim 1, characterized in that: the oil filling hole (12) is located between the two corresponding sliding ring plates (11), and the cross section of the sliding groove (6) is M-shaped.