CN215257428U

CN215257428U - Rolling mill working roll bearing clearance adjusting sleeve group

Info

Publication number: CN215257428U
Application number: CN202121028100.7U
Authority: CN
Inventors: 齐东海; 赵长红; 刘益民
Original assignee: Angang Heavy Machinery Co Ltd
Current assignee: Angang Heavy Machinery Co Ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-21
Anticipated expiration: 2031-05-13

Abstract

The utility model relates to a rolling mill work roll bearing clearance adjustment suit, adjustment suit set up the one side at rolling mill work roll bearing, including the axle sleeve, the thrust cover, the ladder key, lock nut, the axle sleeve is kept away from and is equipped with the internal thread on the hole of rolling mill work roll bearing's one end, the thrust cover is the thin step sleeve of the thick one end of one end, be equipped with the external screw thread on the external diameter of the thin end of thrust cover, the thrust cover passes through the internal thread connection of external screw thread with the axle sleeve, be equipped with the keyway along internal screw thread limit portion on the hole of axle sleeve, the ladder key passes through screw connection in the keyway, the axle sleeve passes through the ladder key and is connected with rolling mill work roll. The utility model discloses can make rolling mill work roll axle sleeve and rolling mill work roll fix a position and install fast, adjust the clearance. The connecting structure of the shaft sleeve and the thrust sleeve can enable lubricating oil to directly lubricate the threaded connection part through the oil through hole, so that rusting is prevented, the disassembly difficulty is reduced, the service life of the part is prolonged, and the production cost is reduced.

Description

Rolling mill working roll bearing clearance adjusting sleeve group

Technical Field

The utility model relates to a rolling mill, in particular to rolling mill working roll bearing clearance adjustment suit.

Background

The traditional connection mode of the shaft sleeves on the two sides of the working roll of the rolling mill and the thrust nut is external threads of the shaft sleeves and internal threads of the thrust nut. The lubricating system in the shaft sleeve of the working roller can not lubricate the threaded connection part in production, so that the threaded connection part is rusted, the disassembly difficulty is increased in maintenance, and the service life of parts is shortened.

Disclosure of Invention

The utility model aims to solve the technical problem that a rolling mill work roll bearing clearance adjustment suit is provided, avoids threaded connection department to rust.

In order to achieve the above object, the utility model adopts the following technical scheme:

the utility model provides a rolling mill work roll bearing clearance adjustment suit, adjustment suit sets up the one side at rolling mill work roll bearing, including the axle sleeve, the thrust sleeve, the ladder key, lock nut, the axle sleeve is equipped with the internal thread on keeping away from the hole of rolling mill work roll bearing's one end, the thrust sleeve is the thin step sleeve of the thick one end of one end, be equipped with the external screw thread on the external diameter of the thin end of thrust sleeve, the thrust sleeve passes through the internal thread connection of external screw thread with the axle sleeve, be equipped with the keyway along internal screw thread limit portion on the hole of axle sleeve, the ladder key passes through screw connection in the keyway, the axle sleeve passes through the ladder key and is connected with rolling mill work roll.

A plurality of oil through holes are uniformly distributed on the thin end sleeve body of the thrust sleeve.

The step key is arranged along the axial direction.

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

the adjusting sleeve set can enable the rolling mill working roll shaft sleeve and the rolling mill working roll to be quickly positioned and installed, and the gap is adjusted. The connecting structure of the shaft sleeve and the thrust sleeve can enable lubricating oil to directly lubricate the threaded connection part through the oil through hole, so that rusting is prevented, the disassembly difficulty is reduced, the service life of the part is prolonged, and the production cost is reduced.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural view of the bushing.

Fig. 4 is a schematic structural view of the push sleeve.

In the figure: the device comprises a rolling mill working roll bearing 1, a shaft sleeve 2, a thrust sleeve 3, a step key 4, a locking nut 5, a key groove 6, a screw 7, a rolling mill working roll 8 and an oil through hole 9.

Detailed Description

The following further describes the embodiments of the present invention with reference to the attached drawings:

referring to fig. 1-4, a rolling mill work roll bearing clearance adjustment sleeve set is arranged on one side of a rolling mill work roll bearing 1 and comprises a shaft sleeve 2, a thrust sleeve 3, a step key 4 and a locking nut 5, wherein an inner thread is arranged on an inner hole at one end, far away from the rolling mill work roll bearing 1, of the shaft sleeve 2, the thrust sleeve 3 is a step sleeve with a thick end and a thin end, an outer thread is arranged on the outer diameter of the thin end of the thrust sleeve 3, and a plurality of oil through holes 9 are uniformly distributed on the circumference of the thin end sleeve body of the thrust sleeve.

Thrust sleeve 3 passes through the internal thread connection of external screw thread with axle sleeve 2, is equipped with keyway 6 along internal screw thread limit portion on the hole of axle sleeve 2, and the ladder key 4 that the axial set up passes through screw 7 to be connected in keyway 6, and axle sleeve 2 passes through ladder key 4 to be connected with rolling mill worker roller 8, and the high-end part of ladder key 4 is connected in keyway 6 of axle sleeve, and other parts of ladder key 4 are connected in rolling mill worker roller 8's keyway 4.

The adjusting sleeve set can enable the rolling mill working roll shaft sleeve and the rolling mill working roll to be quickly positioned and installed, and the gap is adjusted. The connecting structure of the shaft sleeve and the thrust sleeve can enable lubricating oil to directly lubricate the threaded connection part through the oil through hole, so that rusting is prevented.

Above utility model, to the ordinary technical personnel in this technical field, can also be right without deviating from the principle of the utility model, these improve and decorate and also fall into the protection scope of the utility model claims. The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides a rolling mill work roll bearing clearance adjustment suit, a serial communication port, the adjustment suit sets up the one side at rolling mill work roll bearing, including the axle sleeve, the thrust sleeve, the ladder key, lock nut, be equipped with the internal thread on the hole of the one end that rolling mill work roll bearing was kept away from to the axle sleeve, the thrust sleeve is the thin step sleeve of the thick one end of one end, be equipped with the external screw thread on the external diameter of the thin end of thrust sleeve, the thrust sleeve passes through the internal thread connection of external screw thread with the axle sleeve, be equipped with the keyway along internal thread limit portion on the hole of axle sleeve, the ladder key passes through screw connection in the keyway, the axle sleeve passes through the ladder key and is connected with rolling mill work roll.

2. The rolling mill work roll bearing clearance adjustment kit of claim 1, wherein a plurality of oil through holes are evenly distributed on the circumference of the end sleeve body of the thrust sleeve.

3. A rolling mill work roll bearing gap adjustment kit as claimed in claim 1, wherein the step key is axially disposed.