CN216111766U

CN216111766U - Four-row cylindrical roller bearing special for rolling mill

Info

Publication number: CN216111766U
Application number: CN202122667294.1U
Authority: CN
Inventors: 汪耀军; 汪岳民; 刘久成; 汪庆光; 汪庆坤
Original assignee: Linqing City Walin Seiko Rolling Mail Bearing Co ltd
Current assignee: Linqing City Walin Seiko Rolling Mail Bearing Co ltd
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-22
Anticipated expiration: 2031-11-03

Abstract

The utility model provides a special four-row cylindrical roller bearing for a rolling mill, relates to the technical field of bearings, and aims to solve the problems that the existing four-row cylindrical roller bearing lacks a structure for limiting an internal rolling shaft, when in use, two ends of the rolling shaft and an outer ring are abraded, so that the rolling shaft shakes left and right in the bearing when the bearing rotates, and the bearing is unstable in rotation; the device comprises an outer ring and a sliding groove, wherein the outer ring is provided with two groups. The slot is seted up on the equal grade of annular mounting to set up the butt joint post in the slot, with the connecting piece cup joint the butt joint post on, make the connecting piece can slide in the slot again, movable mounting bullet piece in the connecting piece, the outside of connecting piece will be cup jointed to the roller bearing, and make the inboard bullet piece of connecting piece receive elastic component promotion and the interior locating hole looks block of roller bearing, and like this, the connecting piece can play limiting displacement to the roller bearing, make the roller bearing outer end still can keep not rocking in the outer lane under the condition of wearing and tearing.

Description

Four-row cylindrical roller bearing special for rolling mill

Technical Field

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

Background

With the development of the industry, steel rolling enterprises are correspondingly developed, the requirements on equipment are continuously increased, bearings are important parts of the equipment of the steel rolling enterprises, and at present, the steel rolling enterprises are provided with four-row cylindrical roller bearings on a hot strip mill production line.

Based on prior art discovery, the connection structure of current four-row cylindrical roller bearing outer lane is imperfect, because two sets of outer lanes lack the structure of connecting, when two sets of outer lanes are rotatory, when very easily producing the speed difference, take place wearing and tearing easily, thereby reduce the bearing life-span, and current four-row cylindrical roller bearing lacks and carries out spacing structure to inside roller bearing, when using, wearing and tearing take place for roller bearing both ends and outer lane, make the bearing when rotatory, the roller bearing rocks about in the bearing, thereby lead to the bearing rotation unstability.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a dedicated four-row cylindrical roller bearing of rolling mill, in order to solve the connection structure imperfection of current four-row cylindrical roller bearing outer lane, because two sets of outer lanes lack the structure of connection, when two sets of outer lanes are rotatory, very easily when producing speed difference, take place wearing and tearing easily, thereby reduce the bearing life-span, and current four-row cylindrical roller bearing lacks and carries out spacing structure to inside roller bearing, when using, wearing and tearing take place in roller bearing both ends and outer lane, make the bearing when rotatory, the roller bearing is rocked about in the bearing, thereby lead to the rotatory unstable problem of bearing.

The purpose and the effect of the special four-row cylindrical roller bearing for the rolling mill are achieved by the following specific technical means:

a four-row cylindrical roller bearing special for a rolling mill comprises: an installation mechanism; the mounting mechanism; the outer ring is provided with two groups, the front outer ring and the rear outer ring are positioned on the same axis, the outer ring is internally provided with the sliding chutes, the sliding chutes are provided with two groups, and the sliding chutes are symmetrically arranged at the inner end of the outer ring; the inner ring of the sliding assembly is provided with a sliding groove, the outer ring of the sliding assembly is provided with a fixing piece, the fixing piece is sleeved on the outer end of the inner ring, the outer side of the rolling shaft of the sliding assembly is in contact with the inner side of the sliding groove, and the inner side of the rolling shaft is in contact with the inner ring.

Further, the mounting mechanism includes: the installation mechanism includes: the four groups of fixing grooves are arranged in the fixing groove, the fixing grooves are annularly arranged on the rear side of the outer end of the front end, and the fixing grooves penetrate through the outer end and the rear side of the outer ring of the front side; the inner ring is arranged at the inner end of the outer ring.

Further, the mounting mechanism further comprises: the mounting grooves are annularly arranged on the front side of the rear end outer ring, are aligned with the fixing grooves, are internally provided with guide rods sleeved with the elastic pieces and penetrate through the front side of the outer side of the rear end outer ring; the fixture block, fixture block rear end slidable mounting is in the mounting groove, and the fixture block rear end is run through by the guide bar in the mounting groove to the fixture block front end is pegged graft in the fixed slot.

Further, the sliding assembly includes: the fixing piece is of an annular structure; the slots are annularly arranged on two sides of the fixing part, and butt-joint columns are arranged in the slots.

Further, the sliding assembly further comprises: the connecting piece is arranged in the slot and is rotatably arranged on the butt-joint column in the slot; the bullet piece, the bullet piece is equipped with four groups altogether, and bullet piece slidable mounting is on the connecting piece to be equipped with the elastic component between bullet piece and the connecting piece, bullet piece runs through the outside of connecting piece.

Further, the sliding assembly further comprises: the rolling shaft is arranged in the slot and sleeved on the connecting piece; the positioning holes are arranged at the inner end of the rolling shaft in equal rows and are clamped with the elastic blocks.

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

1. in the device, an installation mechanism is arranged, as shown in fig. 3, four groups of fixing grooves are annularly formed in the rear end of the front outer ring, the fixing grooves penetrate through the outer side and the rear end of the front outer ring, four groups of mounting grooves are formed in the front end of the rear outer ring, two groups of guide rods sleeved with elastic pieces are arranged in the mounting grooves, a fixture block is slidably mounted in the mounting grooves, the fixture block can slide on the guide rods in the mounting grooves, when the fixture block is used, the two groups of outer rings are butted, the front ends of the fixture blocks are arranged into wedge-shaped structures, when the two groups of outer rings are butted, the fixture block can slide downwards and is inserted into the fixing grooves, after the fixture block is inserted into the fixing grooves, the elastic pieces push the fixture block to move upwards and are clamped with the fixing grooves, and at the moment, the two groups of outer rings are fixed;

2. in this device, the slip subassembly has been set up, the slot is seted up on the equal rank of annular fixed part, and set up the butt joint post in the slot, with the connecting piece cup joint to the butt joint post on, make the connecting piece can slide in the slot again, movable mounting bullet piece in the connecting piece, with the outside of connecting piece is cup jointed to the roller bearing, and make the inboard bullet piece of connecting piece receive elastic component promotion and the locating hole looks block in the roller bearing, and like this, the connecting piece can play limiting displacement to the roller bearing, make the roller bearing outer end still can keep not rocking in the outer lane under the condition of wearing and tearing.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic exploded view of the present invention.

FIG. 3 is a cross-sectional structural schematic view of the mounting mechanism of the present invention.

Fig. 4 is a schematic diagram of a partially enlarged structure of the part a drawn from fig. 3 according to the present invention.

Fig. 5 is a schematic view of the internal structure of the sliding assembly of the present invention.

Fig. 6 is a schematic diagram of a part B enlarged from fig. 5 according to the present invention.

1. An installation mechanism;

101. an outer ring; 1011. a chute;

102. fixing grooves; 103. an inner ring;

104. mounting grooves; 1041. a clamping block;

2. a sliding assembly;

201. a fixing member; 2011. a slot;

202. a connecting member; 2021. a spring block;

203. a roller; 2031. and (7) positioning the holes.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the drawings and examples. The following examples are intended to illustrate the present invention, but are not intended to limit the scope of the present invention.

In the description of the present application, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present application can be understood in a specific case by those skilled in the art.

Example (b):

as shown in figures 1 to 6:

the utility model provides a four-row cylindrical roller bearing special for a rolling mill, which comprises: an installation mechanism 1; the mounting mechanism 1 comprises an outer ring 101 and sliding chutes 1011, the outer ring 101 is provided with two groups, the front outer ring 101 and the rear outer ring 101 are positioned on the same axis, the sliding chutes 1011 are arranged in the outer ring 101, the sliding chutes 1011 are provided with two groups, and the sliding chutes 1011 are symmetrically arranged at the inner end of the outer ring 101; four sets of sliding assemblies 2 are arranged in the installation mechanism 1, the fixing piece 201 of each sliding assembly 2 is rotatably installed inside the outer ring 101, the fixing piece 201 is sleeved at the outer end of the inner ring 103, the outer side of the roller 203 of each sliding assembly 2 is in contact with the inside of the sliding groove 1011, and the inner side of the roller 203 is in contact with the inner ring 103.

As shown in fig. 3-4, wherein the mounting mechanism 1 comprises: the fixing grooves 102 are provided with four groups in total, the fixing grooves 102 are annularly arranged on the rear side of the outer end of the front end, and the fixing grooves 102 penetrate through the outer end and the rear side of the front-side outer ring 101; an inner ring 103, the inner ring 103 being provided at an inner end of the outer ring 101; the installation structure comprises an L-shaped fixing groove 102, a cylindrical inner ring 103, a mounting groove 104 and four mounting grooves 104, wherein the L-shaped fixing groove 102 can enable two groups of outer rings 101 to be fixed when a fixture block 1041 is inserted into the fixing groove 102 and clamped with the fixing groove 102, the mounting grooves 104 can be mounted inside the outer rings 101 to limit the four groups of sliding assemblies 2, the mounting grooves 104 are annularly arranged on the front side of the outer ring 101 at the rear end, the mounting grooves 104 are aligned with the fixing groove 102, a guide rod sleeved with an elastic piece is arranged in the mounting grooves 104, and the mounting grooves 104 penetrate through the front side of the outer ring 101 at the rear end; the fixture block 1041, fixture block 1041 rear end slidable mounting are in mounting groove 104, and the guide bar that fixture block 1041 rear end was in mounting groove 104 runs through to the front end of fixture block 1041 is pegged graft in fixed slot 102, sets up rectangle mounting groove 104, and at mounting groove 104 movable mounting L shape fixture block 1041, can make in the fixed slot 102 of front side outer lane 101 is pegged graft to fixture block 1041 when two sets of outer lanes 101 dock, make two sets of outer lanes 101 fixed.

As shown in fig. 5-6, wherein the slide assembly 2 comprises: the fixing part 201, the fixing part 201 is a ring-shaped structure; the slots 2011 are annularly formed on two sides of the fixing part 201, butt-joint columns are arranged in the slots 2011, the fixing part 201 is arranged, the slots 2011 are annularly arranged on two sides of the fixing part 201, and the rolling shaft 203 can be rotatably installed; the connecting piece 202 is arranged in the slot 2011, and the connecting piece 202 is rotatably arranged on a butt joint column in the slot 2011; the elastic blocks 2021, the elastic blocks 2021 have four groups altogether, and the elastic blocks 2021 are slidably mounted on the connector 202, and there are elastic pieces between the elastic blocks 2021 and the connector 202, the elastic blocks 2021 run through the outside of the connector 202, set up the cylindrical connector 202, and mount four groups of elastic blocks 2021 in the connector 202. when the roller 203 is sleeved on the connector 202, make the elastic blocks 2021 and the locating hole 2031 in the roller 203 clamp together, and make the connector 202 and the roller 203 fixed, through turning the connector 202 in the stationary part 201, can make the connector 202 drive the roller 203 to rotate; the roller 203 is arranged in the slot 2011, and the roller 203 is sleeved on the connecting piece 202; the

positioning holes

2031, 2031 and the like are formed at the inner end of the roller 203, the positioning holes 2031 are engaged with the spring blocks 2021, the cylindrical roller 203 is provided to assist the inner ring 103 to rotate in the outer ring 101, and the positioning holes 2031 are formed to engage the spring blocks 2021 with the positioning holes 2031 when the roller 203 is coupled to the connector 202, so as to fix the roller 203 to the connector 202.

The specific use mode and function of the embodiment are as follows:

in the utility model, as shown in fig. 1-6, slots 2011 are arranged on an annular fixed part 201 in equal rows, a docking post is arranged in the slot 2011, a connecting part 202 is rotatably mounted on the docking post, so that the connecting part 202 can slide in the slot 2011, an elastic block 2021 is movably mounted in the connecting part 202, a roller 203 is sleeved on the outer side of the connecting part 202, the elastic block 2021 on the inner side of the connecting part 202 is pushed by the elastic part to be clamped with a positioning hole 2031 in the roller 203, thus the roller 203 is rotatably mounted on the slot 2011 through the connecting part 202, an annular sliding chute 1011 is arranged in an outer ring 101, a sliding assembly 2 is movably mounted in the outer ring 101, four groups of fixing grooves 102 are annularly arranged at the rear end of a front outer ring 101, the fixing grooves 102 penetrate through the outer side and the rear end of the front outer ring 101, four groups of mounting grooves 104 are arranged at the front end of the rear outer ring 101, two groups of guide rods sleeved with the elastic part are arranged in the mounting grooves 104, with fixture block 1041 slidable mounting in mounting groove 104, make fixture block 1041 slide on the guide bar in mounting groove 104, dock two sets of outer lanes 101 mutually, set wedge structure through the front end with fixture block 1041, when two sets of outer lanes 101 dock mutually, make fixture block 1041 slide downwards and insert and connect in fixed slot 102, peg graft and arrive fixed slot 102 back, the elastic component promotes fixture block 1041 rebound, and with fixed slot 102 looks block, rotate the inside of installing outer lane 101 with inner circle 103, make inner circle 103 spacing four sets of sliding assemblies 2, at this moment, the bearing installation finishes.

The embodiments of the present application have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the utility model in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. A four-row cylindrical roller bearing special for a rolling mill is characterized by comprising: an installation mechanism (1); the mounting mechanism (1) comprises an outer ring (101) and sliding chutes (1011), the outer ring (101) is provided with two groups, the front outer ring (101) and the rear outer ring (101) are positioned on the same axis, the sliding chutes (1011) are arranged in the outer ring (101), the sliding chutes (1011) are provided with two groups, and the sliding chutes (1011) are symmetrically arranged at the inner end of the outer ring (101); the installation mechanism (1) is internally provided with four groups of sliding assemblies (2), a fixing piece (201) of each sliding assembly (2) is rotatably installed inside an outer ring (101), the fixing piece (201) is sleeved at the outer end of an inner ring (103), the outer side of a roller (203) of each sliding assembly (2) is in contact with the inside of a sliding groove (1011), and the inner side of the roller (203) is in contact with the inner ring (103).

2. The four-row cylindrical roller bearing for rolling mills according to claim 1, wherein the mounting means (1) comprises: the four groups of fixing grooves (102) are arranged in the fixing grooves (102), the fixing grooves (102) are annularly arranged on the rear side of the outer end of the front end, and the fixing grooves (102) penetrate through the outer end and the rear side of the front outer ring (101); and the inner ring (103) is arranged at the inner end of the outer ring (101).

3. The four-row cylindrical roller bearing for rolling mills according to claim 2, wherein said mounting means (1) further comprises: the mounting grooves (104) are provided with four groups, the mounting grooves (104) are annularly arranged on the front side of the rear end outer ring (101), the mounting grooves (104) are aligned with the fixing grooves (102), a guide rod sleeved with an elastic piece is arranged in the mounting grooves (104), and the mounting grooves (104) penetrate through the front side of the outer side of the rear end outer ring (101); the rear end of the fixture block (1041) is slidably mounted in the mounting groove (104), the rear end of the fixture block (1041) is penetrated through by a guide rod in the mounting groove (104), and the front end of the fixture block (1041) is inserted in the fixing groove (102).

4. The four-row cylindrical roller bearing for rolling mills according to claim 1, wherein the sliding assembly (2) comprises: the fixing piece (201), the fixing piece (201) is a ring-shaped structure; the slot (2011), slot (2011) are set up in the both sides of mounting (201) for the annular, and are equipped with the butt joint post in slot (2011).

5. The four-row cylindrical roller bearing for rolling mills according to claim 4, wherein said sliding assembly (2) further comprises: the connecting piece (202), the connecting piece (202) is set in the slot (2011), and the connecting piece (202) is installed on the butt-joint column in the slot (2011) in a rotating way; the elastic blocks (2021) are provided with four groups of elastic blocks (2021), the elastic blocks (2021) are slidably mounted on the connecting piece (202), an elastic piece is arranged between the elastic blocks (2021) and the connecting piece (202), and the elastic blocks (2021) penetrate through the outer side of the connecting piece (202).

6. The four-row cylindrical roller bearing for rolling mills according to claim 5, wherein said sliding assembly (2) further comprises: the roller (203), the roller (203) is arranged in the slot (2011), and the roller (203) is sleeved on the connecting piece (202); the positioning holes (2031), the positioning holes (2031) and other rows are arranged at the inner end of the roller (203), and the positioning holes (2031) are clamped with the spring block (2021).