CN218289307U

CN218289307U - Long-life self-lubricating roller assembly structure

Info

Publication number: CN218289307U
Application number: CN202222302833.6U
Authority: CN
Inventors: 孔忠盛
Original assignee: Jilin Longrunde Heavy Machinery Manufacturing Co ltd
Current assignee: Jilin Longrunde Heavy Machinery Manufacturing Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-01-13
Anticipated expiration: 2032-08-31

Abstract

The utility model discloses a long-life self-lubricating roller assembly structure, including dabber and roller body, be connected through two self-lubricating bearings between dabber outer lane lateral wall and the roller body inner circle lateral wall, the rust-resistant wear-resisting axle sleeve of self-lubricating bearing outer lane lateral wall fixedly connected with, rust-resistant wear-resisting axle sleeve outer lane lateral wall and roller body fixed connection, a plurality of recesses have all been seted up at roller body both ends, the recess inner wall passes through set screw fixedly connected with guard plate, the guard plate lateral wall closely laminates with rust-resistant wear-resisting axle sleeve lateral wall, the dabber is equipped with the buffer gear who cushions when receiving vibrations and assaulting on the roller body. The utility model discloses an when roller body carried the steel billet, the difficult carbonization of lubricating oil in the self-lubricating bearing this moment to make roller body can normally work for a long time, prolong its life, set up rust-resistant wear-resisting axle sleeve simultaneously, can reduce self-lubricating bearing's use degree of wear.

Description

Long-life self-lubricating roller assembly structure

Technical Field

The utility model relates to a roller assembly technical field especially relates to a long-life self-lubricating roller assembly structure.

Background

The foot roller of the steel-making crystallizer is mainly used for conveying a steel billet crystallized from liquid molten steel to a withdrawal and straightening unit and a conveying roller way.

When the steel billet is conveyed in the prior art, the temperature on the steel billet is higher, so that heat can be transferred to the mandrel and the bearing through the foot roller, the temperature of the bearing is higher, lubricating oil in the bearing is easy to carbonize and lose efficacy, impurities generated by the carbonized lubricating oil can be remained in the bearing, the friction force of the foot roller at the bearing in the using process is larger, the phenomenon of blocking easily occurs, the foot roller often breaks down, and the service life is short.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a long-life self-lubricating roller assembly structure.

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

the utility model provides a long-life self-lubricating roller assembly structure, includes dabber and roller body, be connected through two self-lubricating bearings between dabber outer lane lateral wall and the roller body inner circle lateral wall, the rust-resistant wear-resisting axle sleeve of self-lubricating bearing outer lane lateral wall fixedly connected with, rust-resistant wear-resisting axle sleeve outer lane lateral wall and roller body fixed connection, a plurality of recesses have all been seted up at roller body both ends, the recess inner wall passes through set screw fixedly connected with guard plate, the guard plate lateral wall closely laminates with rust-resistant wear-resisting axle sleeve lateral wall, the spindle is equipped with the buffer gear who cushions when receiving vibrations and assaulting on the roller body.

Preferably, buffer gear is including seting up a plurality of arc walls at the dabber lateral wall, arc wall inner wall sliding connection has the arc, the lateral wall that the arc wall was kept away from to the arc wall laminates with roller body inner circle lateral wall, the arc wall inner wall is through a plurality of damping spring shock absorbers and arc lateral wall fixed connection.

Preferably, an oil inlet pipe is inserted into the inner wall of the mandrel, a plurality of oil filling pipes are fixedly connected to the inner wall of the oil inlet pipe, and the pipe orifices of the oil filling pipes, which are far away from the oil inlet pipe, are inclined to the self-lubricating bearing.

Preferably, the surface of the mandrel is subjected to chrome plating and polishing treatment, and the antirust wear-resistant shaft sleeve is made of 201 stainless steel material.

The utility model discloses following beneficial effect has:

1. through setting up self-lubricating bearing and axle sleeve for when the roller body was carried the steel billet, the difficult carbonization of lubricating oil in the self-lubricating bearing this moment, thereby make roller body can normally work for a long time, prolong its life, set up rust-resistant wear-resisting axle sleeve simultaneously, can reduce self-lubricating bearing's use degree of wear.

2. Through setting up buffer gear, the shock force that damping spring bumper shock absorber can receive the roller body is cushioned and is absorbed for can steadily carry on the roller body, can also reduce the vibrations that receive on self-lubricating bearing and the dabber simultaneously, thereby prolong its life.

Drawings

Fig. 1 is a schematic structural view of a long-life self-lubricating roller assembly structure provided by the present invention;

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

fig. 3 is a schematic sectional view along the direction B-B in fig. 1.

In the figure: 1 dabber, 2 roller bodies, 3 self-lubricating bearings, 4 recesses, 5 rust-resistant wear-resisting axle sleeves, 6 guard plates, 7 set screws, 8 advance oil pipe, 9 fill oil pipe, 10 arc walls, 11 arc walls, 12 damping spring shock absorbers.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-3, a long-life self-lubricating roller assembly structure, including dabber 1 and roller body 2, be connected through two self-lubricating bearings 3 between 1 outer lane lateral wall of dabber and the 2 inner circle lateral walls of roller body, self-lubricating bearing 3 outer lane lateral wall fixedly connected with rust-resistant wear-resisting axle sleeve 5, rust-resistant wear-resisting axle sleeve 5 outer lane lateral wall and roller body 2 fixed connection, a plurality of recesses 4 have all been seted up at 2 both ends of roller body, the recess 4 inner wall passes through 7 fixedly connected with guard plate 6 of set screw, 6 lateral walls of guard plate closely laminate with rust-resistant wear-resisting axle sleeve 5 lateral wall, be used for the position stability to rust-resistant wear-resisting axle sleeve 5.

The surface of the mandrel 1 is plated with chrome and polished, and the rust-proof wear-resistant shaft sleeve 5 is made of 201 stainless steel materials.

Further, through setting up self-lubricating bearing 3, because self-lubricating bearing 3 itself has bearing capacity height, shock-resistant, high temperature resistant, characteristics such as self-lubricating ability reinforce for when roller body 2 is carried the steel billet, the difficult carbonization of lubricating oil in self-lubricating bearing 3 this moment, thereby make roller body 2 can normally work for a long time, prolong its life, set up rust-resistant wear-resisting axle sleeve 5 simultaneously, can reduce self-lubricating bearing 3's use degree of wear.

Be equipped with the buffer gear who cushions when receiving vibrations and assault on the dabber 1 to roller body 2, buffer gear is including offering a plurality of arcs 10 at the 1 lateral wall of dabber, and arc 10 inner wall sliding connection has arc 11, and the lateral wall that arc 10 was kept away from to arc 11 is laminated with 2 inner circle lateral walls of roller body for roller body 2 can steadily rotate, and arc 10 inner walls are through a plurality of damping spring shock absorbers 12 and 11 lateral walls fixed connection of arc.

1 inner wall of dabber is inserted and is equipped with into oil pipe 8, a plurality of oil filler pipes 9 of 8 inner wall fixedly connected with of oil filler pipe, the mouth of pipe slope slant that oil filler pipe 8 was kept away from to oil filler pipe 9 sets up from lubricating bearing 3 department, and is further, be located left oil filler pipe 9 mouth of pipe slope left side below setting, be located the setting of right side oil filler pipe 9 mouth of pipe slope right side below, and then can be through advancing oil pipe 8 and adding lubricating oil to two self-lubricating bearing 3 departments of oil filler pipe 9, guarantee self-lubricating bearing 3's high-efficient use.

It should be noted that the oil inlet pipe 8 can be connected to an external oil pump, so as to realize automatic pumping of the lubricating oil, and the lubricating oil can be manually squeezed into the oil inlet pipe 8 by a human.

In the utility model, before the roller body 2 is used, the mandrel 1 is firstly installed on the external crystallizer foot roller frame, at the moment, the roller body 2 can rotate under the action of the two self-lubricating bearings 3, thereby the steel billet can be conveyed, because the self-lubricating bearings 3 have the characteristics of high bearing capacity, impact resistance, high temperature resistance, strong self-lubricating capacity and the like, when the roller body 2 conveys the steel billet, the lubricating oil in the self-lubricating bearings 3 is not easy to carbonize at the moment, thereby the roller body 2 can normally work for a long time, the service life of the roller body is prolonged, and meanwhile, the antirust wear-resistant shaft sleeve 5 is arranged, so that the use wear degree of the self-lubricating bearings 3 can be reduced;

when lubricating oil needs to be added after the self-lubricating bearings 3 are used for a long time, the lubricating oil is pumped into the oil inlet pipe 8, and then the lubricating oil can be automatically added to the two self-lubricating bearings 3 through the plurality of oil filling pipes 9, so that the high-efficiency use of the self-lubricating bearings 3 is ensured;

when roller body 2 received vibrations in the steel billet transportation process, the shaking force that roller body 2 received this moment can be through on arc 11 transmits a plurality of damping spring shock absorbers 12, and then damping spring shock absorber 12 can carry out the shock absorption to this shaking force for can steadily carry on roller body 2, can also reduce the vibrations that receive on self-lubricating bearing 3 and the dabber 1 simultaneously, thereby prolong its life.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a long-life self-lubricating roller assembly structure, includes dabber (1) and roller body (2), its characterized in that, be connected through two self-lubricating bearings (3) between dabber (1) outer lane lateral wall and the roller body (2) inner circle lateral wall, rust-resistant wear-resisting axle sleeve (5) of self-lubricating bearing (3) outer lane lateral wall fixedly connected with, rust-resistant wear-resisting axle sleeve (5) outer lane lateral wall and roller body (2) fixed connection, a plurality of recesses (4) have all been seted up at roller body (2) both ends, recess (4) inner wall passes through set screw (7) fixedly connected with guard plate (6), guard plate (6) lateral wall and rust-resistant wear-resisting axle sleeve (5) lateral wall closely laminate, be equipped with on dabber (1) and carry out the buffer gear who cushions when receiving vibrations and assault to roller body (2).

2. The long-life self-lubricating roller assembly structure of claim 1, wherein the buffer mechanism comprises a plurality of arc-shaped grooves (10) formed in the side wall of the mandrel (1), an arc-shaped plate (11) is slidably connected to the inner wall of each arc-shaped groove (10), the side wall, away from the arc-shaped grooves (10), of each arc-shaped plate (11) is attached to the inner ring side wall of the roller body (2), and the inner wall of each arc-shaped groove (10) is fixedly connected with the side wall of each arc-shaped plate (11) through a plurality of damping spring shock absorbers (12).

3. The long-life self-lubricating roller assembly structure of claim 1, characterized in that an oil inlet pipe (8) is inserted into the inner wall of the mandrel (1), a plurality of oil filling pipes (9) are fixedly connected to the inner wall of the oil inlet pipe (8), and the oil filling pipes (9) are inclined away from the pipe orifice of the oil inlet pipe (8) and are arranged at the self-lubricating bearing (3).

4. The long life self-lubricating roller assembly structure of claim 1, wherein the mandrel (1) is chrome-plated and polished, and the rust-proof and wear-resistant sleeve (5) is made of 201 stainless steel.