CN218883008U

CN218883008U - Dustproof and waterproof combined sealing structure for vertical roll of scale breaker

Info

Publication number: CN218883008U
Application number: CN202222994110.7U
Authority: CN
Inventors: 胡波; 范延峰; 杨于浩; 吕青岗; 高丹; 李军东
Original assignee: Baotou Iron and Steel Group Co Ltd
Current assignee: Baotou Iron and Steel Group Co Ltd
Priority date: 2022-11-10
Filing date: 2022-11-10
Publication date: 2023-04-18
Anticipated expiration: 2032-11-10

Abstract

The utility model discloses a dustproof and waterproof combined sealing structure for a vertical roller of a scale breaker, which comprises a vertical roller shaft and a bearing seat, wherein a bearing end cover is arranged above the vertical roller shaft, a sleeve is arranged inside the bearing end cover, a plurality of sealing ring grooves are arranged on the inner wall of the bearing end cover, and O-shaped rubber sealing rings are arranged inside the sealing ring grooves; and the vertical roller is arranged above the sleeve, and a vertical roller shaft is arranged in the vertical roller. This be used for broken scale machine edger roll dustproof, waterproof combined seal structure installs and sets up a plurality of O type rubber seal and gasket groove through the sleeve on the edger roll and install the bearing end cover on the bearing frame, forms "labyrinth" waterproof, dustproof cavity, can effectively prevent inside steel rolling in-process oxidation iron sheet dust and the cooling water infiltration bearing frame to effectively prevent the interior lubricating grease of bearing frame to leak, the practical life of extension bearing has convenient assembling's characteristics simultaneously.

Description

Dustproof and waterproof combined sealing structure for vertical roll of scale breaker

Technical Field

The utility model relates to a sealed technical field of scale-breaking edger mill bearing frame specifically is a dustproof, waterproof combined seal structure of be used for scale-breaking machine edger roll.

Background

The original scale breaker vertical roll is dustproof and waterproof in sealing, and the single bearing end cover is adopted for dustproof and waterproof sealing, and the sealing structure belongs to gap sealing and only can play a simple waterproof and dustproof effect.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for scale breaker edger roll to prevent dust, waterproof combination seal structure, it is not good to steam and tiny iron oxide scale dust sealing performance that on-the-spot cooling water formed to propose former sealed bearing end cover in solving above-mentioned background art, often have inside tiny iron oxide scale dust and cooling steam infiltration bearing frame, lead to inside being corroded very easily of bearing, the inside grease of bearing outwards overflows along the clearance simultaneously, thereby make the bearing life-span very reduce, both increased relevant spare parts cost consumptions such as bearing, the intensity of labour who maintains the staff has increased again, for this reason, we provide one kind and be used for scale breaker edger roll to prevent dust, waterproof combination seal structure's problem.

In order to achieve the above object, the utility model provides a following technical scheme: a dustproof and waterproof combined sealing structure for a vertical roll of a scale breaker comprises a vertical roll shaft and a bearing seat, wherein a bearing end cover is arranged above the vertical roll shaft, a sleeve is arranged inside the bearing end cover, a plurality of sealing ring grooves are formed in the inner wall of the bearing end cover, and O-shaped rubber sealing rings are arranged inside the sealing ring grooves;

and the vertical roller is arranged above the sleeve, and a vertical roller shaft is arranged in the vertical roller.

Preferably, the vertical roll shaft penetrates through the vertical roll, the sleeve and the bearing seat in sequence, and the diameter of the vertical roll shaft is matched with that of the inside of the sleeve.

Preferably, the sleeve is fixedly connected with the O-shaped rubber sealing ring, the shape and size of the O-shaped rubber sealing ring are partially matched with those of the inside of the sealing ring groove, and the sealing ring groove is tightly attached to the O-shaped rubber sealing ring.

Preferably, the shape and size of the sleeve are partially matched with those of the inside of the bearing end cover, and the sleeve is movably connected with the bearing end cover.

Preferably, the bearing end cover is further provided with:

the through-hole, it is seted up the inside of bearing end cover, threaded connection pipe is installed on the right side of through-hole, protective housing is installed on the threaded connection pipe right side, protective housing's internally mounted has the buffering gasbag.

Preferably, the through hole penetrates through the inside of the bearing end cover, and the bearing end cover is in threaded connection with the threaded connection pipe.

Preferably, the through hole is communicated with the threaded connecting pipe, and the threaded connecting pipe is communicated with the buffering air bag.

Compared with the prior art, the utility model provides a be used for scale breaker edger roll dustproof, waterproof combined seal structure possesses following beneficial effect: this be used for broken scale machine edger roll dustproof, waterproof combined seal structure installs and sets up a plurality of O type rubber seal and gasket groove through the sleeve on the edger roll and install the bearing end cover on the bearing frame, forms "labyrinth" waterproof, dustproof cavity, can effectively prevent inside steel rolling in-process oxidation iron sheet dust and the cooling water infiltration bearing frame to effectively prevent the interior lubricating grease of bearing frame to leak, the practical life of extension bearing has convenient assembling's characteristics simultaneously.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the external structure of the sleeve of the present invention;

FIG. 3 is a schematic view of the inner structure of the bearing end cap of the present invention;

FIG. 4 is a schematic view of the connection structure of the bearing cap and the sleeve according to the present invention;

fig. 5 is a schematic view of the internal structure of the seal ring groove of the present invention;

fig. 6 is a schematic view of a part of an enlarged structure at a in fig. 1 according to the present invention.

In the figure: 1. a vertical roll shaft; 2. a vertical roller; 3. a bearing seat; 4. a bearing end cap; 5. a sleeve; 6. a seal ring groove; 7. an O-shaped rubber sealing ring; 8. a through hole; 9. a threaded connection pipe; 10. a protective housing; 11. a buffer air bag.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Referring to fig. 1-5, a dustproof and waterproof combined sealing structure for a vertical roll of a scale breaker comprises a vertical roll shaft 1 and a bearing seat 3, wherein a bearing end cover 4 is arranged above the vertical roll shaft 1, and a sleeve 5 is arranged inside the bearing end cover 4; the shape and size of the sleeve 5 are partially matched with the shape and size of the inside of the bearing end cover 4, the sleeve 5 is movably connected with the bearing end cover 4, a plurality of seal ring grooves 6 are formed in the inner wall of the bearing end cover 4, and O-shaped rubber seal rings 7 are installed inside the seal ring grooves 6; the sleeve 5 is fixedly connected with an O-shaped rubber sealing ring 7, the shape and the size of the O-shaped rubber sealing ring 7 are partially matched with those of the inside of the sealing ring groove 6, and the sealing ring groove 6 is tightly attached to the O-shaped rubber sealing ring 7; a vertical roll 2 mounted above the sleeve 5, the vertical roll shaft 1 being mounted inside the vertical roll 2; the vertical roll shaft 1 sequentially penetrates through the vertical roll 2, the sleeve 5 and the bearing seat 3, and the diameter of the vertical roll shaft 1 is matched with that of the sleeve 5; a plurality of O-shaped rubber sealing rings 7 and sealing ring grooves 6 are arranged and arranged on a sleeve 5 on the vertical roller 2 and a bearing end cover 4 arranged on a bearing seat 3 to form a labyrinth waterproof and dustproof cavity, so that iron scale dust and cooling water can be effectively prevented from permeating in the steel rolling process. And effectively prevent lubricating grease in the bearing frame 3 and leak, prolong the practical life of bearing, have convenient assembling's characteristics simultaneously.

Referring to fig. 1 and 6, a dustproof and waterproof combined sealing structure for a vertical roll of a scale breaker comprises a through hole 8, which is formed in a bearing end cover 4, and a threaded connecting pipe 9 is installed on the right side of the through hole 8; the through hole 8 penetrates through the inside of the bearing end cover 4, the bearing end cover 4 is in threaded connection with the threaded connecting pipe 9, the protective shell 10 is installed on the right side of the threaded connecting pipe 9, and the buffering air bag 11 is installed inside the protective shell 10; the through hole 8 is communicated with the threaded connecting pipe 9, and the threaded connecting pipe 9 is communicated with the buffering air bag 11; make buffering gasbag 11 and the inside intercommunication of bearing through-hole 8 and threaded connection 9, play the cushioning effect, avoid the inside a large amount of heats that produce of bearing during operation, gas expansion causes bearing, bearing end cover 4 or sleeve 5 to damage.

The working principle is as follows: when the dustproof and waterproof combined sealing structure for the vertical roll of the scale breaker is used, firstly, a plurality of O-shaped rubber sealing rings 7 outside the sleeve 5 are positioned inside a plurality of corresponding sealing ring grooves 6 on the inner wall of the bearing end cover 4, the sealing ring grooves 6 are tightly attached to the O-shaped rubber sealing rings 7, the air tightness between the bearing end cover 4 and the sleeve 5 during relative movement is ensured, water vapor and fine iron oxide scale dust formed by field cooling water are prevented from permeating into the bearing seat 3, meanwhile, lubricating grease in the bearing seat 3 is prevented from leaking, secondly, when the bearing seat 3 works, a large amount of heat can be generated inside the bearing, so that the gas inside the bearing is expanded, at the moment, the gas enters the buffer air bag 11 through the through hole 8 and the threaded connecting pipe 9, the bearing and the bearing end cover 4 or the sleeve 5 are prevented from being damaged due to gas expansion, and the working principle of the dustproof and waterproof combined sealing structure for the vertical roll of the scale breaker is the dustproof and waterproof combined sealing structure.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a be used for dustproof, waterproof combined seal structure of scale breaker edger roll which characterized in that includes:

the roller bearing comprises a vertical roller shaft (1) and a bearing seat (3), wherein a bearing end cover (4) is arranged above the vertical roller shaft (1), a sleeve (5) is arranged inside the bearing end cover (4), a plurality of seal ring grooves (6) are formed in the inner wall of the bearing end cover (4), and O-shaped rubber seal rings (7) are arranged inside the seal ring grooves (6);

and the vertical roller (2) is arranged above the sleeve (5), and a vertical roller shaft (1) is arranged in the vertical roller (2).

2. The combined dustproof and waterproof sealing structure for the vertical roll of the scale breaker according to claim 1, characterized in that the vertical roll shaft (1) sequentially penetrates through the vertical roll (2), the sleeve (5) and the bearing seat (3), and the diameter of the vertical roll shaft (1) is matched with the diameter of the inside of the sleeve (5).

3. The dustproof and waterproof combined sealing structure for the vertical roller of the scale breaker according to claim 1, wherein the sleeve (5) is fixedly connected with the O-shaped rubber sealing ring (7), the shape and size of the O-shaped rubber sealing ring (7) are partially matched with the shape and size inside the sealing ring groove (6), and the sealing ring groove (6) is tightly attached to the O-shaped rubber sealing ring (7).

4. The dustproof and waterproof combined sealing structure for the vertical roller of the scale breaker according to claim 1, wherein the shape and size of the sleeve (5) are partially matched with those of the inside of the bearing end cover (4), and the sleeve (5) is movably connected with the bearing end cover (4).

5. The dustproof and waterproof combined sealing structure for the vertical roller of the scale breaker according to claim 1, wherein the bearing end cover (4) is further provided with:

through-hole (8), it sets up the inside of bearing end cover (4), threaded connection pipe (9) are installed on the right side of through-hole (8), protecting sheathing (10) are installed on threaded connection pipe (9) right side, the internally mounted of protecting sheathing (10) has buffering gasbag (11).

6. The combined dustproof and waterproof sealing structure for the vertical roller of the scale breaker according to claim 5, characterized in that the through hole (8) penetrates through the inside of the bearing end cover (4), and the bearing end cover (4) is in threaded connection with the threaded connection pipe (9).

7. The dustproof and waterproof combined sealing structure for the vertical roller of the scale breaker according to claim 5, characterized in that the through hole (8) is communicated with a threaded connecting pipe (9), and the threaded connecting pipe (9) is communicated with a buffering air bag (11).