CN217633449U

CN217633449U - Grinding roller bearing of coal mill for cement processing

Info

Publication number: CN217633449U
Application number: CN202220942714.4U
Authority: CN
Inventors: 张恒
Original assignee: Wuxi Ridachang Bearing Manufacturing Co ltd
Current assignee: Wuxi Ridachang Bearing Manufacturing Co ltd
Priority date: 2022-04-22
Filing date: 2022-04-22
Publication date: 2022-10-21
Anticipated expiration: 2032-04-22

Abstract

The utility model provides a grinding roller bearing of coal mill for cement processing relates to grinding roller bearing technical field, including outer bearing, outer bearing rear end face center department runs through and has seted up first through-hole, the mounting groove has been seted up to outer bearing internal surface, outer bearing front end face center department has seted up the cooperation groove, the supporting a plurality of rollers that are provided with of mounting groove, the supporting safety disc that is provided with of outer bearing, safety disc rear surface fixed connection has the go-between, the adjustment tank has been seted up in the run-through of safety disc front surface, go-between rear surface fixed connection has the inner bearing, the utility model discloses an at mounting groove position installation roller, insert the inner bearing afterwards for the block groove of inner bearing cooperatees with the roller position respectively, makes the safety disc be close to the outer bearing, and then accomplishes the installation work, and the roller and the block groove position of its bearing cooperate, and its motion stability is good, and the rotation process atress is even, promotes the safety in utilization greatly.

Description

Grinding roller bearing of coal mill for cement processing

Technical Field

The utility model relates to a grinding roller bearing technical field especially relates to a grinding roller bearing of coal mill for cement processing.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision. The bearing industry in China is developed rapidly, the bearing varieties are reduced to a large extent, the product quality and the technical level are reduced to a high level, the industrial scale is reduced to a large level, a professional production body with basically complete product types and reasonable production layout is formed, coal mills are arranged in coal conveying systems of cement plants, and raw coal which does not meet the standards can be crushed by the coal mills to meet the requirements of cement manufacturing.

The grinding roller in the coal mill is an important part for grinding raw coal, when the grinding roller extrudes and crushes the raw coal into coal powder, the air blowing device sends hot air to bring the coal powder to the coal powder separator on the upper part of the coal mill, qualified coal powder can be sent to a hearth for combustion through a powder sending pipeline, and unqualified coal powder is separated and ground and crushed again. When the coal mill runs for a long period, the coal mill is directly washed by wind powder for a long time, so that a large amount of dust appears at the position of the bearing of the grinding roller, the service life of the bearing is greatly reduced, the coal grinding effect is further poor, and the cover of the grinding roller seat is more complicated to disassemble.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the coal pulverizer and experiencing the operation of longer cycle, owing to receive the long-term direct washing away of wind powder, cause grinding roller bearing position a large amount of dusts to appear, greatly reduced bearing use longevity face, and then cause the coal grinding effect variation, and the dismantlement of grinding roller seat lid is comparatively loaded down with trivial details problem again, and the grinding roller bearing of coal mill for cement processing who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a grinding roller bearing of coal mill for cement processing, includes the outer bearing, outer bearing rear end face center department runs through and has seted up first through-hole, the mounting groove has been seted up to the outer bearing internal surface, the preceding end face center department of outer bearing has seted up the cooperation groove, the mounting groove is supporting to be provided with a plurality of rollers, the supporting safety disc that is provided with of outer bearing, safety disc rear surface fixedly connected with go-between, the adjustment tank has been seted up in the safety disc front surface running through, go-between rear surface fixedly connected with inner bearing, a plurality of block grooves have evenly been seted up to the inner bearing internal surface, the second through-hole has been seted up in the inner bearing terminal surface running through.

Preferably, the first through hole is in a circular hole shape, and the inner diameter of the matching groove is smaller than that of the first through hole.

Preferably, the plurality of rollers are located on the inner surface of the mounting groove, and the plurality of engaging grooves are respectively matched with the roller positions.

Preferably, the outer diameter of the safety sheet is larger than the radius of the connecting ring, and the inner diameter of the second through hole is smaller than the inner diameter of the first through hole.

Preferably, the back surface of the safety sheet is attached with a gasket.

Compared with the prior art, the utility model has the advantages and positive effects that,

1. the utility model provides a grinding roller bearing of coal mill for cement processing, it is provided with the outer bearing, through installing the roller at mounting groove position, inserts the inner bearing afterwards for the block groove of inner bearing cooperatees with the roller position respectively, makes the safety plate be close to the outer bearing, and then accomplishes the installation work, and the roller and the block groove position of its bearing cooperate, and its motion stability is good, and the rotation process atress is even, promotes the safety in utilization greatly.

2. The utility model provides a grinding roller bearing of coal mill for cement processing, it is provided with outer bearing position and is provided with first through-hole, with roll body end face contact to set up the roller in the mounting groove internal surface, play the protection effect, be provided with the safety disc simultaneously, the laminating is close to the mounting terminal surface, promotes the protection to the roller, prevents that the wind powder from scouring away inside the bearing.

Drawings

FIG. 1 is a schematic view of an expanded structure of a grinding roller bearing of a coal mill for cement processing according to the present invention;

FIG. 2 is a schematic perspective view of a grinding roller bearing of a coal mill for cement processing according to the present invention;

fig. 3 is the utility model provides a grinding roller bearing's for cement processing grinding roller bearing's schematic sectional structure view.

Illustration of the drawings: 1. an outer bearing; 11. a first through hole; 12. mounting grooves; 13. a mating groove; 14. a roller; 2. a security patch; 21. a connecting ring; 22. an inner bearing; 23. a clamping groove; 24. an adjustment groove; 25. a second via.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

Embodiment 1, as shown in fig. 1 to 3, a grinding roller bearing of a coal mill for cement processing, including an outer bearing 1, a first through hole 11 has been opened in the center of the rear end face of the outer bearing 1, an installation groove 12 has been opened in the inner surface of the outer bearing 1, a matching groove 13 has been opened in the center of the front end face of the outer bearing 1, a plurality of rollers 14 have been provided in match with the installation groove 12, a safety disc 2 has been provided in match with the outer bearing 1, a connection ring 21 is fixedly connected to the rear surface of the safety disc 2, an adjustment groove 24 has been opened in the front surface of the safety disc 2, an inner bearing 22 is fixedly connected to the rear surface of the connection ring 21, a plurality of engaging grooves 23 have been uniformly opened in the inner surface of the inner bearing 22, and a second through hole 25 has been opened in the end face of the inner bearing 22.

The effect that its whole embodiment 1 reached is, through installing roller 14 in mounting groove 12 position, inserts inner bearing 22 afterwards for inner bearing 22's snap-fit groove 23 cooperatees with roller 14 position respectively, makes safety plate 2 be close to the outer bearing, and then accomplishes the installation work, and its bearing's roller 14 cooperatees with snap-fit groove 23 position, and its motion stability is good, and the rotation process atress is even, promotes the safety in utilization greatly.

In embodiment 2, as shown in fig. 1 to 3, the first through hole 11 is configured in a circular hole shape, the inner diameter of the fitting groove 13 is smaller than the inner diameter of the first through hole 11, the plurality of rollers 14 are located on the inner surface of the mounting groove 12, the plurality of engaging grooves 23 are respectively fitted with the positions of the rollers 14, the outer diameter of the security sheet 2 is larger than the radius of the connection ring 21, the inner diameter of the second through hole 25 is smaller than the inner diameter of the first through hole 11, and the rear surface of the security sheet 2 is attached with a gasket.

The effect that its whole embodiment 2 reached does, first through-hole 11 and roll body end face contact to set up roller 14 in mounting groove 12 internal surfaces, play the protection effect, be provided with safety disc 2 simultaneously, the laminating is close to the mounting end face, promotes the protection to roller 14, prevents that the wind powder from scouring inside the bearing.

The working principle is that firstly, installation work is carried out, the roller 14 is installed at the position of the installation groove 12, then the inner bearing 22 is inserted, the clamping groove 23 of the inner bearing 22 is matched with the position of the roller 14 respectively, the safety sheet 2 is close to the outer bearing, and further installation work is completed, the roller 14 of the bearing is matched with the clamping groove 23, the movement stability of the roller is good, stress is uniform in the rotating process, the use safety is greatly improved, the safety sheet 2 is attached to the position close to the installation end face, the protection of the roller 14 is improved, wind powder is prevented from being washed into the bearing, the first through hole 11 is in end face contact with the roller body, the roller 14 is arranged on the inner surface of the installation groove 12 and is in inner surface contact with the inner bearing 22, installation work is completed, in the rotating process, the roller body drives the inner bearing 22 to rotate, the roller 14 is driven to rotate through the clamping groove 23, namely, the machine core still works, the protection effect is good, the use safety is high, the maintenance period is long, and the disassembly, the maintenance and the replacement are easy.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a grinding roller bearing of coal mill for cement processing, includes outer bearing (1), its characterized in that: outer bearing (1) rear end face center department runs through and has seted up first through-hole (11), mounting groove (12) have been seted up to outer bearing (1) internal surface, terminal surface center department has seted up cooperation groove (13) before outer bearing (1), the supporting a plurality of rollers (14) that are provided with of mounting groove (12), the supporting safety disc (2) that is provided with of outer bearing (1), safety disc (2) rear surface fixedly connected with go-between (21), safety disc (2) front surface runs through and has seted up adjustment tank (24), go-between (21) rear surface fixedly connected with inner bearing (22), a plurality of block grooves (23) have evenly been seted up to inner bearing (22) internal surface, inner bearing (22) terminal surface runs through and has seted up second through-hole (25).

2. A grinding roller bearing for a coal mill for cement processing as set forth in claim 1, wherein: the first through hole (11) is in a circular hole shape, and the inner diameter of the matching groove (13) is smaller than that of the first through hole (11).

3. A grinding roller bearing for a coal mill for cement processing as set forth in claim 1, wherein: the rollers (14) are positioned on the inner surface of the mounting groove (12), and the clamping grooves (23) are matched with the rollers (14) respectively.

4. A grinding roller bearing for a coal mill for cement processing as set forth in claim 1, wherein: the outer diameter of the safety sheet (2) is larger than the radius of the connecting ring (21), and the inner diameter of the second through hole (25) is smaller than the inner diameter of the first through hole (11).

5. A grinding roller bearing for a coal mill for cement processing as set forth in claim 1, wherein: the back surface of the safety sheet (2) is jointed with a gasket.