CN218913483U

CN218913483U - Four-row cylindrical roller bearing with high practicability for rolling mill

Info

Publication number: CN218913483U
Application number: CN202223181770.XU
Authority: CN
Inventors: 马力; 孙莉; 赵新霄
Original assignee: Dalian Rixin Bearing Co ltd
Current assignee: Anhui Mile Equipment Manufacturing Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-04-25
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a four-row cylindrical roller bearing for a rolling mill, which has strong practicability, belongs to the technical field of cylindrical roller bearings, and comprises a rolling mill bearing outer ring and a rolling mill bearing inner ring, wherein an arc groove is formed in the side surface of the rolling mill bearing outer ring, an oiling component is arranged on the inner wall of the arc groove, a retainer is lapped on the side surface of the rolling mill bearing inner ring, a sealing ring is lapped on the front surface of the retainer, a fixing component is arranged on the back surface of the sealing ring, and the fixing component is lapped with the retainer. This four rows of cylindrical roller bearings for rolling mill that practicality is strong through setting up holder, sealing ring, fixed frame, dwang, standing groove, gag lever post and spacing hole, and the contact in gag lever post and spacing hole is convenient for use the installation of sealing ring, through the sealing ring of holder both sides, further plays sealed effect to cylindrical roller bearing's inside to inside having avoided piece, dust entering roller bearing has also guaranteed roller bearing's practicality simultaneously.

Description

Four-row cylindrical roller bearing with high practicability for rolling mill

Technical Field

The utility model belongs to the technical field of cylindrical roller bearings, and particularly relates to a four-row cylindrical roller bearing for a rolling mill, which has high practicability.

Background

The cylindrical roller bearing inner structure adopts the rollers to be parallel arrangement, is equipped with spacer or spacer between the rollers, can prevent the slope of roller or the mutual friction between the rollers, has effectively prevented the increase of rotatory moment of torsion, but current four-row cylindrical roller bearing is in the use, because rolling mill service environment is abominable, piece, dust are more, and these impurity drops the bearing inside very easily, influences the normal running of bearing, and then leads to its practicality lower, consequently, need a rolling mill that the practicality is strong to improve above-mentioned problem with four-row cylindrical roller bearing.

Disclosure of Invention

(one) solving the technical problems

In order to overcome the defects in the prior art, the utility model provides the four-row cylindrical roller bearing for the rolling mill, which has strong practicability, and solves the problems that scraps and dust easily enter the roller bearing in the use process of the traditional four-row cylindrical roller bearing to influence the use of the roller bearing and have lower practicability.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a four rows of cylindrical roller bearings for rolling mill that practicality is strong, includes rolling mill bearing outer lane and rolling mill bearing inner race, the arc wall has been seted up to the side of rolling mill bearing outer lane, the inner wall of arc wall is equipped with the oiling subassembly, the side overlap joint of rolling mill bearing inner race has the holder, the front overlap joint of holder has the sealing ring, the back of sealing ring is equipped with fixed subassembly, fixed subassembly and holder overlap joint, the front rotation of sealing ring is equipped with two dwang, dwang and fixed subassembly fixed connection.

As a further aspect of the utility model: the oiling assembly comprises an oiling pipe, the oiling pipe is arranged on the inner wall of the arc-shaped groove, a connecting pipe is arranged at the other end of the oiling pipe, a shunt pipe is arranged on the lower surface of the connecting pipe, and the other end of the shunt pipe is arranged on the inner wall of the outer ring of the rolling mill bearing.

As a further aspect of the utility model: the inner wall of the arc-shaped groove is provided with a sealing gasket, and the inner wall of the retainer is provided with rolling bodies.

As a further aspect of the utility model: the fixed subassembly includes fixed frame, fixed frame establishes the back at the sealing ring, one side of fixed frame inner wall is equipped with two sliding sleeves, the upside the inner wall sliding connection of sliding sleeve has the gag lever post, the lower surface of gag lever post is equipped with the stripper plate.

As a further aspect of the utility model: the upper surface of stripper plate is equipped with the elastic expansion link, the elastic expansion link is connected with the upper surface fixed surface of fixed frame inner wall, two the inner wall overlap joint of stripper plate has same extrusion wheel, extrusion wheel and dwang fixed connection.

As a further aspect of the utility model: the front of the retainer is provided with a placing groove, and the inner wall of the placing groove is lapped with the fixed frame.

As a further aspect of the utility model: limiting holes are formed in the lower surface of the inner wall of the placing groove and the upper surface of the inner wall of the placing groove, and the limiting holes are overlapped with the limiting rods.

(III) beneficial effects

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

1. this four rows of cylindrical roller bearings for rolling mill that practicality is strong through setting up holder, the sealing ring, the fixed frame, the dwang, the standing groove, gag lever post and spacing hole, put into between rolling mill bearing inner circle and the rolling mill bearing outer lane with the holder, then control the sealing ring and put into between rolling mill bearing inner circle and the rolling mill bearing outer lane, and move the sealing ring toward the holder direction with the hand push, make fixed frame and standing groove contact, control the dwang rotation afterwards, make the dwang drive the extrusion wheel rotate, the extrusion wheel drives two stripper plates and two gag lever posts and moves toward the direction of keeping away from each other, make gag lever post and spacing hole contact at last, the contact of gag lever post and spacing hole is convenient for use the installation of sealing ring, through the sealing ring of holder both sides, further play sealed effect to the inside of roller bearing, thereby the piece has been avoided, the dust gets into the roller bearing inside, the practicality of roller bearing has also been guaranteed simultaneously.

2. This four rows of cylindrical roller bearings for rolling mill that practicality is strong through setting up filler pipe, sealed pad and shunt tubes, is convenient for regularly to the inside injection lubricating oil of roller bearing under the mutually supporting of filler pipe and shunt tubes, guarantees roller bearing's normal use, and sealed pad then has guaranteed the inside clean degree of filler pipe simultaneously, and then has avoided external dust to mix into the rotation of fatlute barrier bearing with lubricating oil.

3. This four rows of cylindrical roller bearings for rolling mill that practicality is strong through setting up elastic telescopic link, sliding sleeve and gag lever post, and the sliding sleeve plays support and spacing effect to the gag lever post for the gag lever post is at the steady slip of the inner wall of sliding sleeve, under elastic telescopic link's reset effect simultaneously, alright realization gag lever post and spacing hole release spacing effect.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic side view, cross-sectional and perspective view of the outer race of the rolling mill bearing of the present utility model;

FIG. 3 is a schematic side view in cross-section of a seal ring according to the present utility model;

FIG. 4 is an enlarged schematic view of the portion A of the present utility model;

FIG. 5 is a schematic view of a cross-sectional perspective structure of a fixing frame according to the present utility model;

in the figure: 1. an outer ring of a rolling mill bearing; 2. a sealing gasket; 3. a seal ring; 4. a rolling mill bearing inner ring; 5. an oiling assembly; 51. a connecting pipe; 52. a filler pipe; 53. a shunt; 6. a retainer; 7. a rolling element; 8. a rotating lever; 9. a fixing assembly; 91. a fixed frame; 92. an elastic telescopic rod; 93. a sliding sleeve; 94. a limit rod; 95. an extrusion plate; 96. a pressing wheel; 10. an arc-shaped groove; 11. a placement groove; 12. and a limiting hole.

Detailed Description

The technical scheme of the patent is further described in detail below with reference to the specific embodiments.

As shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a four rows of cylindrical roller bearings for rolling mill that practicality is strong, including rolling mill bearing outer lane 1 and rolling mill bearing inner lane 4, arc wall 10 has been seted up to rolling mill bearing outer lane 1's side, arc wall 10 is equipped with oiling subassembly 5, rolling mill bearing inner lane 4's side overlap joint has holder 6, through setting up holder 6, the inclination of rolling element 7 or mutual friction between rolling element 7 can be prevented to holder 6, the increase of rotation torque has effectively been prevented, the front overlap joint of holder 6 has sealing ring 3, through setting up sealing ring 3, sealing ring 3 plays sealed effect to roller bearing, make roller bearing inside avoid the interference of external environment dust, piece, thereby guaranteed roller bearing's normal use, fixing component 9 is equipped with at the back of sealing ring 3, fixing component 9 overlap joint with holder 6, the front rotation of sealing ring 3 is equipped with two dwang 8, dwang 8 and fixing component 9 fixed connection.

Specifically, as shown in fig. 1, fig. 2 and fig. 5, the oiling component 5 includes the oiling pipe 52, the oiling pipe 52 is established at the inner wall of arc groove 10, the other end of oiling pipe 52 is equipped with connecting pipe 51, through setting up connecting pipe 51, connecting pipe 51 then guaranteed that the inside lubricating oil of oiling pipe 52 smoothly carries to shunt tubes 53 in, the lower surface of connecting pipe 51 is equipped with shunt tubes 53, the inner wall at rolling mill bearing outer lane 1 is established to the other end of shunt tubes 53, the inner wall of arc groove 10 is equipped with sealed pad 2, through setting up sealed pad 2, the setting up of sealed pad 2 then has avoided external dust to get into oiling pipe 52, thereby provide clean environment for oiling pipe 52, the inner wall of holder 6 is equipped with rolling element 7, fixed component 9 includes fixed frame 91, fixed frame 91 is established at the back of sealing ring 3, one side of fixed frame 91 inner wall is equipped with two sliding sleeves 93, through setting up sliding sleeve 93, sliding sleeve 93 plays support and limiting rod 94, thereby the phenomenon that the random rocks can not appear in the gliding process of limiting rod 94, the inner wall sliding connection of sliding sleeve 93 of upside has limiting rod 94, the lower surface of limiting rod 94 is equipped with 95.

Specifically, as shown in fig. 2, fig. 4 and fig. 5, the upper surface of the extrusion plate 95 is provided with an elastic telescopic rod 92, the elastic telescopic rod 92 is fixedly connected with the upper surface of the inner wall of the fixed frame 91, the inner walls of the two extrusion plates 95 are overlapped with one extrusion wheel 96, through arranging the extrusion wheel 96 and the extrusion plate 95, under the mutual cooperation of the extrusion wheel 96 and the extrusion plate 95, thereby facilitating the smooth contact and limit of the limit rod 94 and the limit hole 12 by a worker, the extrusion wheel 96 is fixedly connected with the rotating rod 8, the front surface of the retainer 6 is provided with a placing groove 11, the placing groove 11 supports and limits the fixed frame 91 through arranging the placing groove 11, thereby avoiding the random shaking phenomenon of the fixed frame 91 on the inner wall of the placing groove 11, the inner wall of the placing groove 11 is overlapped with the fixed frame 91, the lower surface of the inner wall of the placing groove 11 and the upper surface of the inner wall are provided with limit holes 12, the limit hole 12 is overlapped with the limit rod 94 through arranging the limit rod 94 and the limit hole 12, and the limit hole 12 plays a supporting and limit effect on the limit rod 94, and simultaneously the upper surface of the fixed frame 91 and the lower surface of the fixed frame is provided with a smooth perforation and a smooth sliding effect on the inner wall of the limit rod 94.

The working principle of the utility model is as follows:

s1, when four rows of cylindrical roller bearings for a rolling mill are required to be used, firstly controlling the retainer 6 to be placed between the inner ring 4 of the rolling mill and the outer ring 1 of the rolling mill, then controlling the sealing ring 3 to be placed between the inner ring 4 of the rolling mill and the outer ring 1 of the rolling mill, and simultaneously pushing the sealing ring 3 to move towards the retainer 6 by hands, so that a fixed frame 91 on the back surface of the sealing ring 3 is contacted with a placing groove 11 arranged on the front surface of the retainer 6;

s2, subsequently controlling the rotating rod 8 to rotate, so that the rotating rod 8 drives the extrusion wheel 96 to rotate, the extrusion wheel 96 drives the two extrusion plates 95 to move in the direction away from each other, and the two extrusion plates 95 drive the two limiting rods 94 to move in the direction away from each other, so that the elastic telescopic rod 92 is extruded;

s3, the limiting rod 94 is in contact with the limiting hole 12, the sealing ring 3 is installed and fixed, when lubrication is needed to be conducted inside the roller bearing, the sealing gasket 2 is taken down, oiling operation is conducted inside the bearing through the oil injection pipe 52, and therefore normal use of the roller bearing is guaranteed.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.

While 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 may be made without departing from the spirit of the present patent within the knowledge of one of ordinary skill in the art.

Claims

1. The utility model provides a four rows of cylindrical roller bearings for rolling mill that practicality is strong, includes rolling mill bearing outer lane (1) and rolling mill bearing inner circle (4), its characterized in that: the rolling mill bearing inner ring is characterized in that an arc groove (10) is formed in the side face of the rolling mill bearing outer ring (1), an oiling component (5) is arranged on the inner wall of the arc groove (10), a retainer (6) is lapped on the side face of the rolling mill bearing inner ring (4), a sealing ring (3) is lapped on the front face of the retainer (6), a fixing component (9) is arranged on the back face of the sealing ring (3), the fixing component (9) is lapped with the retainer (6), two rotating rods (8) are arranged on the front face of the sealing ring (3) in a rotating mode, and the rotating rods (8) are fixedly connected with the fixing component (9).

2. The four-row cylindrical roller bearing for a rolling mill of claim 1, wherein: the oiling assembly (5) comprises an oiling pipe (52), the oiling pipe (52) is arranged on the inner wall of the arc-shaped groove (10), a connecting pipe (51) is arranged at the other end of the oiling pipe (52), a shunt pipe (53) is arranged on the lower surface of the connecting pipe (51), and the other end of the shunt pipe (53) is arranged on the inner wall of the outer ring (1) of the rolling mill bearing.

3. The four-row cylindrical roller bearing for a rolling mill of claim 1, wherein: the inner wall of the arc-shaped groove (10) is provided with a sealing gasket (2), and the inner wall of the retainer (6) is provided with rolling bodies (7).

4. The four-row cylindrical roller bearing for a rolling mill of claim 1, wherein: the fixing assembly (9) comprises a fixing frame (91), the fixing frame (91) is arranged on the back face of the sealing ring (3), two sliding sleeves (93) are arranged on one side of the inner wall of the fixing frame (91), a limiting rod (94) is connected to the inner wall of each sliding sleeve (93) in a sliding mode on the upper side, and an extrusion plate (95) is arranged on the lower surface of each limiting rod (94).

5. The four-row cylindrical roller bearing for a rolling mill of claim 4, wherein: the upper surface of stripper plate (95) is equipped with elasticity telescopic link (92), the upper surface fixed connection of elasticity telescopic link (92) and fixed frame (91) inner wall, two the inner wall overlap joint of stripper plate (95) has same extrusion wheel (96), extrusion wheel (96) and dwang (8) fixed connection.

6. The four-row cylindrical roller bearing for a rolling mill of claim 4, wherein: the front of the retainer (6) is provided with a placing groove (11), and the inner wall of the placing groove (11) is overlapped with the fixed frame (91).

7. The four-row cylindrical roller bearing for a rolling mill of claim 6, wherein: limiting holes (12) are formed in the lower surface of the inner wall of the placing groove (11) and the upper surface of the inner wall, and the limiting holes (12) are overlapped with the limiting rods (94).