CN218925678U

CN218925678U - Short stress line rolling mill end cover

Info

Publication number: CN218925678U
Application number: CN202222674675.7U
Authority: CN
Inventors: 罗卿; 周斌; 陈世峰; 肖育全; 霍俊峰; 唐辉; 梁世宽; 高春; 邓华忠; 李昱; 罗云飞; 覃茂堦
Original assignee: Liuzhou Iron and Steel Co Ltd; Guangxi Liuzhou Iron and Steel Group Co Ltd; Guangxi Iron and Steel Group Co Ltd
Current assignee: Liuzhou Iron and Steel Co Ltd; Guangxi Liuzhou Iron and Steel Group Co Ltd; Guangxi Iron and Steel Group Co Ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-04-28
Anticipated expiration: 2032-10-11

Abstract

The utility model discloses a short stress line rolling mill end cover, which belongs to the technical field of rolling mill equipment and comprises an end cover main body, wherein the end cover main body is provided with a counter bore and a clamping ring, the end cover main body is fixedly arranged on a bearing box through the counter bore, an inner sealing ring can be embedded in the clamping ring, the end cover main body is also provided with a convex ring and a body dismounting hole, an outer sealing ring can be sleeved outside the convex ring, the convex ring is positioned between the counter bore and the clamping ring, the inner circle of the convex ring is dulled into an inclined plane, the inclined plane can avoid friction with the end face of a flat shaft head, threads are arranged in the body dismounting hole, and the end cover main body can be dismounted by screwing the body dismounting hole all the time by using a screw rod. The utility model solves the problem that the bearing is blocked and damaged due to easy water and slag entering when the end cover of the existing rolling mill is used.

Description

Short stress line rolling mill end cover

Technical Field

The utility model belongs to the technical field of rolling mill equipment, and relates to an end cover for sealing a short stress path rolling mill.

Background

The rolling mill is equipment for realizing the rolling process of steel and iron, and mainly consists of a roller, a roller bearing, a frame, a rail seat, a roller adjusting device, a roller changing device and the like. The roller bearing sleeves are arranged at two ends of the roller and mainly play a role in supporting the roller and keeping the position of the roller, a cylindrical bearing box is further arranged outside the roller bearing, and end covers are arranged at two ends of the bearing box.

In the steel rolling process, red steel needs to pass through a rolling mill, rollers rotate continuously, the temperature of the rolling mill rises rapidly, if the temperature of the rolling mill is not cooled and lubricated in time, the inner bearing of an end cover of the rolling mill can be caused, and even serious consequences such as damage to the rolling mill are caused, so that the rolling mill needs to be cooled and lubricated in the rolling process. The cooling modes mainly adopted at present are water cooling and oil-gas lubrication. The existing end cover mainly comprises an end cover body provided with a counter bore and a clamping ring, the end cover body is fixedly arranged on a bearing box through the counter bore, a sealing ring is arranged in the clamping ring, when the end cover is used, slag and water are easy to enter a bearing to cause ball corrosion, the service life of the bearing is reduced, iron slag is easy to enter the bearing to cause bearing blocking, and heating burning loss of the bearing is caused.

Disclosure of Invention

The utility model provides a short stress line rolling mill end cover, which solves the problem that the bearing is blocked and damaged due to easy water and slag inlet when the existing rolling mill end cover is used.

In order to solve the problems, the utility model adopts the following technical scheme: the end cover comprises an end cover main body, wherein the end cover main body is provided with a counter bore and a snap ring, the end cover main body is fixedly arranged on a bearing box through the counter bore, an inner sealing ring can be embedded in the snap ring, a convex ring and a body dismounting hole are further formed in the end cover main body, an outer sealing ring can be sleeved outside the convex ring, the convex ring is positioned between the counter bore and the snap ring, the inner circle of the convex ring is dulled into an inclined plane, the inclined plane can avoid friction with the end face of a flat shaft head, threads are arranged in the body dismounting hole, and the end cover main body can be dismounted by using a screw to be always screwed in the body dismounting hole.

Among the above technical schemes, more specific technical schemes may also be: the included angle A between the inclined plane and the horizontal line is 45 degrees.

Further: the number of the body disassembly holes is two.

Further: the two body disassembly holes are respectively positioned at two ends of the end cover main body.

Further: the snap ring is provided with an inner ring dismounting hole, and the straight rod extends into the inner ring dismounting hole, so that the inner sealing ring can be ejected out for convenient dismounting.

Further: the number of the inner ring dismounting holes is three.

Further: the three inner ring dismounting holes are distributed on the clamping ring at equal intervals.

Due to the adoption of the technical scheme, compared with the prior art, the utility model has the following beneficial effects: the inner sealing ring is embedded in the clamping ring, the outer sealing ring is sleeved on the convex ring, so that an inner sealing structure and an outer sealing structure are formed, the sealing performance of the end cover is improved, oil in the bearing is effectively prevented from leaking outwards, oil consumption is reduced, production cost is reduced, production water, scale fine powder and other dirt can be prevented from entering the bearing, and the cleanness of the bearing is guaranteed, and the service life of the bearing is effectively prolonged. The inner circle of the convex ring is dulled into an inclined plane, so that friction between the convex ring and the end face of the flat head of the shaft is effectively avoided, and burning loss of the rolling mill bearing is reduced.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a left side view of fig. 1.

Fig. 3 is a schematic view of the structure of the present utility model for assembling the inner seal ring and the outer seal ring.

Figure 4 is a left side view of figure 3,

in the figure: 1. an end cap body; 11. a body disassembly hole; 2. a mounting hole; 3. a clasp; 31. an inner ring dismounting hole; 4. a convex ring; 41. an inclined plane; 5. an inner seal ring; 6. and an outer sealing ring.

Detailed Description

The utility model is further described below with reference to the examples of the drawings:

the end cover of the short stress line rolling mill shown in fig. 1 to 4 comprises an end cover main body 1, wherein the end cover main body 1 is provided with a counter bore and a clamping ring 3, the end cover main body is fixedly arranged on a bearing box through the counter bore, an inner sealing ring 5 can be embedded in the clamping ring 3, a convex ring 4 and a body disassembling hole 11 are further formed in the end cover main body 1, an outer sealing ring 6 can be sleeved outside the convex ring 4, the convex ring 4 is positioned between the counter bore and the clamping ring 3, the inner circle of the convex ring 4 is dulled into an inclined plane 41, the inclined plane 41 can avoid friction with the end face of a flat head of a shaft, threads are arranged in the body disassembling hole 11, and the end cover main body can be disassembled by being always screwed into the body disassembling hole 11 through a screw. The angle a between the inclined surface 41 and the horizontal line is 45 °. The number of the body disassembly holes 11 is two. The two body disassembly holes 11 are respectively positioned at two ends of the end cover main body 1. The snap ring 3 is provided with an inner ring dismounting hole 31, and the inner sealing ring 5 can be ejected out to be convenient to dismount by using a straight rod to extend into the inner ring dismounting hole 31. The number of the inner ring removing holes 31 is three. Three inner ring dismounting holes 31 are distributed on the snap ring 3 at equal intervals.

Claims

1. The utility model provides a short stress line rolling mill end cover, includes the end cover main part, the end cover main part is equipped with counter bore and snap ring, its characterized in that: the end cover is characterized in that a convex ring and a body disassembly hole are further formed in the end cover main body, the convex ring is located between the counter bore and the clamping ring, the inner circle of the convex ring is dulled into an inclined plane, and threads are arranged in the body disassembly hole.

2. The short stress wire mill end cap of claim 1, wherein: the included angle A between the inclined plane and the horizontal line is 45 degrees.

3. The short stress wire mill end cap of claim 2, wherein: the number of the body disassembly holes is two.

4. A short stress wire mill end cap according to claim 3, wherein: the two body disassembly holes are respectively positioned at two ends of the end cover main body.

5. The short stress wire mill end cap of claim 1 or 4, wherein: the snap ring is provided with an inner ring dismounting hole.

6. The short stress wire mill end cap of claim 5, wherein: the number of the inner ring dismounting holes is three.

7. The short stress wire mill end cap of claim 6, wherein: the three inner ring dismounting holes are distributed on the clamping ring at equal intervals.