CN214274265U

CN214274265U - Backup roll bearing block lubricating pipeline

Info

Publication number: CN214274265U
Application number: CN202022954984.0U
Authority: CN
Inventors: 刘立业
Original assignee: Tianjin Xinyu Color Plate Co Ltd
Current assignee: Tianjin Xinyu Color Plate Co Ltd
Priority date: 2020-12-09
Filing date: 2020-12-09
Publication date: 2021-09-24
Anticipated expiration: 2030-12-09

Abstract

The utility model relates to a back-up roll bearing block lubrication pipeline, wherein a cavity used for installing a bearing in a bearing block is a coaxial cylindrical cavity structure, a gap in the cavity is used as a lubricating oil channel, and a sealing structure is arranged between the bearing block at the two axial ends of the bearing and the back-up roll; the upper parts of the opposite sides of the operation side rack and the transmission side rack are respectively provided with a connecting beam fixing base, a thick-wall pipeline connecting beam is fixedly arranged between the connecting beam fixing bases of the operation side rack and the transmission side rack, and two ends of the thick-wall pipeline connecting beam are respectively communicated with lubricating oil channels in the operation side rack and the transmission side rack. The utility model discloses a structure of lubricated oil duct intercommunication tube coupling roof beam in the bearing frame, the frequent collision damage when solving operation side oil feed pipeline roll change to and the plug hose is time-consuming, frequently changes the equipment problem of plug, thereby reduced the fault rate and the down time of equipment, reduced cost of maintenance, improved the efficiency of production.

Description

Backup roll bearing block lubricating pipeline

Technical Field

The utility model belongs to the metallurgical equipment field specifically is a backing roll bearing frame lubrication pipeline.

Background

At present, a bearing lubrication pipeline structure of a thin oil lubrication supporting roller bearing seat purchased from a manufacturer is that a transmission side and an operation side are respectively provided with a group of oil supply pipelines and oil return pipelines, the oil supply pipelines are used for lubricating and radiating a bearing in the bearing seat rotating at a high speed, each oil supply pipeline is provided with a flowmeter for measuring the oil inlet amount of the bearing seat, and the oil return pipelines are used for reflowing thin oil in the bearing seat into a thin oil tank. In the normal use process, when the working roll and the middle roll are replaced by the rolling mill, the roll changing cart often collides with an oil supply pipeline of a bearing seat at the operation side of the supporting roll, sometimes oil leakage repair or pipeline deformation repair is caused, moreover, an oil supply pipe oil supply connecting hose needs to be plugged and pulled out during each repair, the work efficiency is seriously influenced, and the pipeline congestion at the operation side in the mill housing is also caused. In conclusion, the existing installation and design forms have more hidden troubles of faults, oil leakage needs to be frequently repaired, pipelines need to be adjusted, the hose needs to be inserted and pulled, trouble and labor are wasted, the hose plug needs to be frequently replaced, the production roll changing time is longer, thin oil is wasted, the maintenance is frequent, and the operation cost is high.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome prior art's weak point, provide a backup roll bearing frame lubrication pipeline, this structure can improve roll change efficiency, reduces the oil leak, reduces the fault rate, improves the productivity effect.

The utility model provides a its technical problem take following technical scheme to realize:

the utility model provides a backing roll bearing frame lubrication line, including transmission side frame, operation side frame, the bearing frame, a bearing, the backing roll, sealing structure, tie-beam unable adjustment base, thick wall pipeline tie-beam, supply oil pipe, operation side oil return pipe and transmission side oil return pipe, the coaxial interval of transmission side frame and operation side frame sets up, all install the bearing frame in transmission side frame and operation side frame, install the bearing in the bearing frame, the axial both ends at the backing roll are installed respectively to the bearing in the transmission side frame and the bearing in the operation side frame, bear the backing roll jointly and carry out coaxial rotation, a serial communication port: cavities used for mounting the bearings in the bearing seats are all coaxial cylindrical cavity structures, gaps in the cavities are used as lubricating oil channels, and sealing structures are mounted between the bearing seats at two axial ends of the bearings and the supporting roll; the upper parts of the opposite sides of the operation side rack and the transmission side rack are respectively provided with a connecting beam fixing base, a thick-wall pipeline connecting beam is fixedly arranged between the connecting beam fixing bases of the operation side rack and the transmission side rack, the interior of the thick-wall pipeline connecting beam is of a hollow communicated pipe body structure, and two ends of the thick-wall pipeline connecting beam are respectively communicated with lubricating oil channels in the operation side rack and the transmission side rack; an oil supply pipe is arranged on the outer side of the upper part of the cavity in the operation side rack, an operation side oil return pipe is arranged on the lower part of the cavity in the operation side rack, and a transmission side oil return pipe is arranged on the lower part of the cavity in the transmission side rack.

The oil supply pipe is connected with the main oil pipe and is used for injecting lubricating oil; the oil return pipes are respectively communicated with the thin oil tank to return thin oil in the bearing seat to the thin oil tank, and the oil supply pipe, the operation side oil return pipe and the transmission side oil return pipe are respectively provided with a control valve.

A bearing is arranged in the bearing seat, the end part of the supporting shaft is arranged in the bearing, and a shaft sleeve is coaxially arranged at the end part of the bearing; the sealing structure comprises an inner sealing ring, an outer sealing ring and sealing gaskets, wherein the inner sealing ring and the outer sealing ring are coaxially and fixedly arranged, the end part of a shaft sleeve is tightly propped by the inner sealing ring, the end part of a bearing seat is tightly propped by the outer sealing ring, a limiting groove is formed in a radial contact surface between the inner sealing ring and the outer sealing ring, the sealing gaskets are arranged in the limiting groove in parallel, and the retaining ring is arranged between the sealing gaskets for limiting.

Moreover, the sealing washer is an elastic washer with a section provided with a return bend structure.

And a channel for communicating the lubricating oil channel with the thick-wall pipeline connecting beam is formed in the outer sealing ring.

The utility model has the advantages that:

1. the utility model discloses a design measurement T type tie-beam size change tube coupling roof beam, preparation tube coupling roof beam unable adjustment base, processing bearing frame interior lubricating channel intercommunication tube coupling roof beam. The problems of low roll changing efficiency, time consumption, maintenance of oil leakage shaping pipelines and the like under the original technical conditions are solved, the production efficiency is improved, and the production cost is reduced.

2. The utility model discloses a structure of lubricated oil duct intercommunication tube coupling roof beam in the bearing frame, the frequent collision damage when solving operation side oil feed pipeline roll change to and the plug hose is time-consuming, frequently changes the equipment problem of plug, thereby reduced the fault rate and the down time of equipment, reduced cost of maintenance, improved the efficiency of production.

Drawings

FIG. 1 is a mounting structure diagram of a lubrication pipeline of a back-up roll bearing seat of the present invention;

fig. 2 is a partially enlarged view of a portion a in fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments, which are illustrative, not restrictive, and the scope of the invention should not be limited thereto.

A lubrication pipeline of a bearing seat of a supporting roll comprises a transmission side rack 1, an operation side rack 7, a bearing seat 2, a bearing 3, a supporting roll 5, a sealing structure 10, a connecting beam fixing base 4, a thick-wall pipeline connecting beam 6, an oil supply pipe 8, an operation side oil return pipe 9 and a transmission side oil return pipe 11, wherein the transmission side rack and the operation side rack are coaxially arranged at intervals;

cavities used for mounting the bearings in the bearing blocks are all coaxial cylindrical cavity structures, gaps in the cavities are used as lubricating oil channels, and sealing structures 10 are mounted between the bearing blocks at two axial ends of the bearings and the supporting roll to prevent lubricating oil from flowing out;

the specific installation structure of the sealing structure 10 is shown in fig. 2, a bearing is installed in a bearing seat, the end of a supporting shaft is installed in the bearing, and a shaft sleeve 12 is coaxially installed at the end of the bearing; the sealing structure is arranged on the periphery of the bearing at the axial end part of the bearing and comprises an inner sealing ring 10-2, an outer sealing ring 10-1 and a sealing washer 10-4, the inner sealing ring and the outer sealing ring are coaxially and fixedly arranged, the inner sealing ring tightly props against the end part of a shaft sleeve, the outer sealing ring tightly props against the end part of a bearing seat, a limiting groove is formed in a radial contact surface between the inner sealing ring and the outer sealing ring, a plurality of sealing washers are arranged in the limiting groove in parallel, and the sealing washer adopted in the embodiment is an elastic washer with a return bend structure in the cross section. And a retainer ring 10-3 is arranged between the sealing gaskets to ensure the matching precision of the installation size. And a channel communicated with the thick-wall pipeline connecting beam is formed in the outer sealing ring.

The upper parts of the opposite sides of the operation side rack and the transmission side rack are respectively provided with a connecting beam fixing base 4, a thick-wall pipeline connecting beam 6 is fixedly arranged between the connecting beam fixing bases of the operation side rack and the transmission side rack, the interior of the thick-wall pipeline connecting beam is of a hollow communicated pipe body structure, and two ends of the thick-wall pipeline connecting beam are respectively communicated with lubricating oil channels in the operation side rack and the transmission side rack;

an oil supply pipe 8 is arranged on the outer side of the upper part of the cavity in the operation side rack and used for injecting lubricating oil into the cavity, an operation side oil return pipe 9 is arranged on the lower part of the cavity in the operation side rack, and a transmission side oil return pipe 11 is arranged on the lower part of the cavity in the transmission side rack. The oil supply pipe is connected with the main oil pipe and is used for injecting lubricating oil; the oil return pipes are respectively communicated with the thin oil tank to return thin oil in the bearing seat to the thin oil tank, and the oil supply pipe, the operation side oil return pipe and the transmission side oil return pipe are respectively provided with a control valve.

During operation, lubricating oil gets into the lubricating oil passageway of operation side by supplying oil pipe to partial lubricating oil shunts through thick wall pipe coupling beam and gets into the lubricating oil passageway of transmission side under pressure, thereby removes the oil supply pipeline and plug hose, the main oil supply pipeline of one side, uses after the installation to improve roll change efficiency greatly, has reduced the oil leak, shuts down the maintenance, has reduced the fault rate, has improved the productivity effect.

Although the embodiments of the present invention and the accompanying drawings are disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the present invention and the appended claims, and therefore, the scope of the present invention is not limited to the disclosure of the embodiments and the accompanying drawings.

Claims

1. The utility model provides a backing roll bearing frame lubrication line, including transmission side frame, operation side frame, the bearing frame, a bearing, the backing roll, sealing structure, tie-beam unable adjustment base, thick wall pipeline tie-beam, supply oil pipe, operation side oil return pipe and transmission side oil return pipe, the coaxial interval of transmission side frame and operation side frame sets up, all install the bearing frame in transmission side frame and operation side frame, install the bearing in the bearing frame, the axial both ends at the backing roll are installed respectively to the bearing in the transmission side frame and the bearing in the operation side frame, bear the backing roll jointly and carry out coaxial rotation, a serial communication port: cavities used for mounting the bearings in the bearing seats are all coaxial cylindrical cavity structures, gaps in the cavities are used as lubricating oil channels, and sealing structures are mounted between the bearing seats at two axial ends of the bearings and the supporting roll; the upper parts of the opposite sides of the operation side rack and the transmission side rack are respectively provided with a connecting beam fixing base, a thick-wall pipeline connecting beam is fixedly arranged between the connecting beam fixing bases of the operation side rack and the transmission side rack, the interior of the thick-wall pipeline connecting beam is of a hollow communicated pipe body structure, and two ends of the thick-wall pipeline connecting beam are respectively communicated with lubricating oil channels in the operation side rack and the transmission side rack; an oil supply pipe is arranged on the outer side of the upper part of the cavity in the operation side rack, an operation side oil return pipe is arranged on the lower part of the cavity in the operation side rack, and a transmission side oil return pipe is arranged on the lower part of the cavity in the transmission side rack.

2. A backup roll chock lubrication circuit according to claim 1, in which: the oil supply pipe is connected with the main oil pipe and is used for injecting lubricating oil; the oil return pipes are respectively communicated with the thin oil tank to return thin oil in the bearing seat to the thin oil tank, and the oil supply pipe, the operation side oil return pipe and the transmission side oil return pipe are respectively provided with a control valve.

3. A backup roll chock lubrication circuit according to claim 1, in which: a bearing is arranged in the bearing seat, the end part of the supporting shaft is arranged in the bearing, and a shaft sleeve is coaxially arranged at the end part of the bearing; the sealing structure comprises an inner sealing ring, an outer sealing ring and sealing gaskets, wherein the inner sealing ring and the outer sealing ring are coaxially and fixedly arranged, the end part of a shaft sleeve is tightly propped by the inner sealing ring, the end part of a bearing seat is tightly propped by the outer sealing ring, a limiting groove is formed in a radial contact surface between the inner sealing ring and the outer sealing ring, the sealing gaskets are arranged in the limiting groove in parallel, and the retaining ring is arranged between the sealing gaskets for limiting.

4. A backup roll chock lubrication circuit according to claim 3, in which: the sealing washer is an elastic washer with a return bend structure on the cross section.

5. A backup roll chock lubrication circuit according to claim 1, in which: and a channel communicated with the thick-wall pipeline connecting beam is formed in the outer sealing ring.