CN219452687U - Reinforced sealing four-row cylindrical roller bearing for rolling mill - Google Patents

Abstract

The utility model discloses a reinforced sealing four-row cylindrical roller bearing for a rolling mill, which belongs to the technical field of bearings and comprises a cylindrical roller bearing body, wherein an inner sleeve member is sleeved on an inner ring of the cylindrical roller bearing body, four fixing pieces are assembled at two ends of the inner sleeve member, two end faces of the inner sleeve member are attached to two locking structures, and the locking structures are locked on the end faces of the cylindrical roller bearing body through the four fixing pieces. This four sealed cylindrical roller bearings of strenghthened type for rolling mill is through setting up locking structure, when dismantling, at first demolish the mounting, can separate sealed lid and internal set this moment to with cylindrical roller bearing body and internal set separation can, then adopt this mode can demolish interior cylindrical roller bearing body alone, need not to adopt the heating mode to demolish the connection between internal set and the axis body, thereby made things convenient for the operation of dismouting, be favorable to the follow-up maintenance of cylindrical roller bearing body.

Description

Reinforced sealing four-row cylindrical roller bearing for rolling mill

Technical Field

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

Background

The existing rolling mill is with four rows of cylindrical roller bearings, generally need to assemble inner race heating back with transmission shaft interference connection when the installation, when need dismantle the maintenance bearing, still need to heat the inner race again, just can accomplish and demolish, then use other instruments just can take off the closing plate that the card was established, and the side can be to the inside maintenance of bearing for the dismouting process is comparatively troublesome, is inconvenient for follow-up maintenance work.

Disclosure of Invention

In order to overcome the defects, the utility model provides the reinforced sealed four-row cylindrical roller bearing for the rolling mill, which solves the problems that when the bearing is required to be disassembled and maintained, the inner ring is required to be reheated to finish the disassembly, and then the clamped sealing plate can be taken down by using other tools, so that the inside of the bearing can be maintained, the disassembly and assembly process is troublesome, and the subsequent maintenance work is inconvenient.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sealed four rows of cylindrical roller bearings of strenghthened type for rolling mill, includes the cylindrical roller bearing body, the cover is equipped with the internal sleeve member on the inner circle of cylindrical roller bearing body, be equipped with four mounting on the both ends of internal sleeve member, laminate with two locking structure on the both ends face of internal sleeve member, locking structure passes through four mounting locks on the terminal surface of cylindrical roller bearing body.

As a further aspect of the utility model: the cylindrical roller bearing is characterized in that a plurality of concave grooves are formed in the inner ring of the cylindrical roller bearing body, a plurality of protrusions are formed in the outer peripheral surface of the inner sleeve body, and the protrusions and the concave grooves are mutually embedded.

As a further aspect of the utility model: the locking structure comprises a sealing cover, one surface of the sealing cover, which is attached to the inner sleeve, is fixedly connected with a plurality of positioning rods, both end surfaces of the inner sleeve are respectively provided with a plurality of fixing grooves, and the positioning rods are inserted into the fixing grooves.

As a further aspect of the utility model: the sealing cover is fixed on the inner sleeve member through the fixing piece, the fixing piece comprises a threaded strip, a bolt and a pin shaft, the threaded strip is rotationally connected on the inner sleeve member through the pin shaft, and the threaded strip is matched with the bolt to be inserted into a side opening on the inner sleeve member.

As a further aspect of the utility model: the sealing cover is embedded with an annular cavity shell, and one side of the annular cavity shell is provided with an oiling plug.

As a further aspect of the utility model: and a plurality of spray heads are arranged on the annular cavity shell.

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

1. this four sealed cylindrical roller bearings of strenghthened type for rolling mill is through setting up locking structure, when dismantling, at first demolish the mounting, can separate sealed lid and internal set this moment to with cylindrical roller bearing body and internal set separation can, then adopt this mode can demolish interior cylindrical roller bearing body alone, need not to adopt the heating mode to demolish the connection between internal set and the axis body, thereby made things convenient for the operation of dismouting, be favorable to the follow-up maintenance of cylindrical roller bearing body.

2. This four row cylindrical roller bearings of strenghthened type seal for rolling mill through setting up the mounting, and the screw thread strip can rely on the round pin axle to realize rotating, then conveniently laminate sealed lid on the external member, and reverse rotation screw thread strip resets again to through the side mouth of screw in sealed lid, then can lock the position of sealed lid, avoid dropping of sealed lid.

3. This four sealed cylindrical roller bearings of strenghthened type for rolling mill opens the oiling end cap through setting up oiling end cap, annular chamber shell and shower nozzle, then can pour into annular chamber shell with lubricating oil to discharge oil through the shower nozzle, and then conveniently to the lubricated operation of cylindrical roller bearing body, improve the smooth motion of cylindrical roller bearing body.

Drawings

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

FIG. 2 is a schematic view of a three-dimensional exploded structure of the present utility model;

FIG. 3 is a schematic view showing a three-dimensional structure of a cylindrical roller bearing body according to the present utility model;

FIG. 4 is a schematic view showing a three-dimensional structure of a sealing cover according to the present utility model;

in the figure: the cylindrical roller bearing comprises a cylindrical roller bearing body 1, a locking structure 2, an oiling plug 21, a sealing cover 22, a positioning rod 23, a 24 annular cavity shell, a 25 nozzle, a 3 inner sleeve, a 4 fixing piece and a 5 fixing groove.

Detailed Description

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

As shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a four rows of cylindrical roller bearings of strenghthened type seal for rolling mill, including cylindrical roller bearing body 1, be equipped with a plurality of concave grooves on the inner circle of cylindrical roller bearing body 1, be equipped with a plurality of protruding forms on the outer peripheral face of internal sleeve 3, protruding form and concave groove are mutually gomphosis, protruding form and concave groove are mutually block, then can keep the connection effect of internal sleeve 3 and cylindrical roller bearing body 1, make the axis body can carry out smooth rotary motion on cylindrical roller bearing body 1 through internal sleeve 3;

the inner ring of the cylindrical roller bearing body 1 is sleeved with an inner sleeve body 3, four fixing pieces 4 are assembled at two ends of the inner sleeve body 3, two end faces of the inner sleeve body 3 are attached to two locking structures 2, the locking structures 2 are locked on the end faces of the cylindrical roller bearing body 1 through the four fixing pieces 4, each locking structure 2 comprises a sealing cover 22, one face of each sealing cover 22 attached to the inner sleeve body 3 is fixedly connected with a plurality of positioning rods 23, a plurality of fixing grooves 5 are formed in two end faces of each inner sleeve body 3, the positioning rods 23 are inserted into the fixing grooves 5, so that the sealing covers 22 can accurately correspond to the inner sleeve body 3, dislocation of the sealing covers 22 is avoided, the sealing covers 22 can play a role of two-side dustproof protection on the cylindrical roller bearing body 1, and falling of the cylindrical roller bearing body 1 and the inner sleeve body 3 is avoided;

the sealing cover 22 is fixed on the inner sleeve member 3 through the fixing member 4, the fixing member 4 comprises a threaded strip, a bolt and a pin shaft, the threaded strip is rotationally connected to the inner sleeve member 3 through the pin shaft, the threaded strip is matched with the bolt and inserted into a side opening on the inner sleeve member 3, the threaded strip can rotate by means of the pin shaft, the sealing cover 22 is conveniently attached to the inner sleeve member 3, the threaded strip is reversely rotated to reset, and the threaded strip is screwed into the side opening of the sealing cover 22 through the bolt, so that the position of the sealing cover 22 can be locked, and the falling of the sealing cover 22 is avoided;

the sealing cover 22 is embedded with the annular cavity shell 24, one side of the annular cavity shell 24 is provided with the oiling plug 21, the annular cavity shell 24 is provided with a plurality of spray heads 25, lubricating oil can be injected into the annular cavity shell 24 by opening the oiling plug 21, and the lubricating oil is discharged through the spray heads 25, so that the lubricating operation of the cylindrical roller bearing body 1 is facilitated, and the smooth movement of the cylindrical roller bearing body 1 is improved.

The working principle of the utility model is as follows:

when dismantling, at first the bolt is rotated and is deviate from the side mouth of sealed lid 22, stir the screw thread strip rotation again, make the screw thread strip be located sealed lid 22 internal orifice, can take off sealed lid 22 this moment, and separate cylindrical roller bearing body 1 and internal member 3 can accomplish demolish the operation, correspond cylindrical roller bearing body 1 and internal member 3 during the installation, and the propelling movement, make the cover between cylindrical roller bearing body 1 and the internal member 3 set up the block, again laminate sealed lid 22 on internal member 3, and stir the screw thread strip and move the bolt and correspond with the side mouth, the bolt entering side mouth is fixed to sealed lid 22 this moment can.

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 (6)

1. The utility model provides a sealed four rows of cylindrical roller bearings of strenghthened type for rolling mill, includes cylindrical roller bearing body (1), its characterized in that: the cylindrical roller bearing is characterized in that an inner sleeve member (3) is sleeved on the inner ring of the cylindrical roller bearing body (1), four fixing pieces (4) are assembled at two ends of the inner sleeve member (3), two end faces of the inner sleeve member (3) are attached to two locking structures (2), and the locking structures (2) are locked on the end faces of the cylindrical roller bearing body (1) through the four fixing pieces (4).

2. A reinforced sealed four-row cylindrical roller bearing for rolling mill according to claim 1, wherein: the cylindrical roller bearing is characterized in that a plurality of concave grooves are formed in the inner ring of the cylindrical roller bearing body (1), a plurality of protrusions are formed in the outer peripheral surface of the inner sleeve member (3), and the protrusions and the concave grooves are mutually embedded.

3. A reinforced sealed four-row cylindrical roller bearing for rolling mill according to claim 1, wherein: the locking structure (2) comprises a sealing cover (22), one surface, which is attached to the inner sleeve (3), of the sealing cover (22) is fixedly connected with a plurality of positioning rods (23), a plurality of fixing grooves (5) are formed in two end faces of the inner sleeve (3), and the positioning rods (23) are inserted into the fixing grooves (5).

4. A reinforced sealed four-row cylindrical roller bearing for rolling mill according to claim 3, wherein: the sealing cover (22) is fixed on the inner sleeve member (3) through the fixing piece (4), the fixing piece (4) comprises a threaded strip, a bolt and a pin shaft, the threaded strip is rotationally connected on the inner sleeve member (3) through the pin shaft, and the threaded strip is matched with the bolt to be inserted into a side opening on the inner sleeve member (3).

5. A reinforced sealed four-row cylindrical roller bearing for rolling mill according to claim 3, wherein: an annular cavity shell (24) is embedded on the sealing cover (22), and an oiling plug (21) is arranged on one side of the annular cavity shell (24).

6. A reinforced sealed four-row cylindrical roller bearing for rolling mill according to claim 5, wherein: the annular cavity shell (24) is provided with a plurality of spray heads (25).