CN213776124U

CN213776124U - Double sealing device for lower bearing seat of vertical crusher

Info

Publication number: CN213776124U
Application number: CN202022700810.1U
Authority: CN
Inventors: 熊宏星; 王伟; 黄冬冬; 罗万里
Original assignee: Yichang Lidi Environment Protection Machinery Co ltd
Current assignee: Yichang Lidi Environment Protection Machinery Co ltd
Priority date: 2020-11-20
Filing date: 2020-11-20
Publication date: 2021-07-23
Anticipated expiration: 2030-11-20

Abstract

The utility model provides a vertical breaker lower part bearing frame double seal device, it includes the bearing frame, the bottom mounting of bearing frame has the bearing end cover, the tail-shaft is installed through tapered roller bearing and cylindrical roller bearing support in the inside of bearing frame, there is the inner seal circle at the top of bearing frame through top bolt fixed mounting, the inner seal circle cooperatees with the outer seal circle of installing on the tail-shaft and constitutes mechanical seal system, the internally mounted of inner seal circle has the skeleton oil blanket, skeleton oil blanket constitutes the skeleton seal subassembly with the outer wall of outer seal circle. The sealing device can play a good sealing effect, is long in service life, and prolongs the service life of the bearing.

Description

Double sealing device for lower bearing seat of vertical crusher

Technical Field

The utility model relates to a vertical breaker lower part bearing frame double containment device belongs to sealed technical field.

Background

The important parts of the crusher of the sealing assembly of the lower bearing seat of the crusher can prevent dust from entering the bearing seat and causing damage to the bearing. Particularly, the lower bearing pedestal which is broken vertically is in a high-dust environment, and the protection of the bearing is more important. The bearing seat sealing assembly system which can be commonly used on site is a set of mechanical labyrinth sealing assembly, and is located in the vertical broken box body, so that the maintenance is inconvenient, the bearing seat sealing assembly operates for a long time, and the bearing seat sealing assembly is easy to wear and block, thereby influencing the sealing effect and the service life of the bearing.

SUMMERY OF THE UTILITY MODEL

For solving above technical problem, the utility model provides a vertical breaker lower part bearing frame double sealing device, this sealing device can play fine sealed effect, and long service life has prolonged the life of bearing simultaneously moreover.

In order to realize the technical characteristics, the purpose of the utility model is realized as follows: vertical crusher lower part bearing frame double seal device, it includes the bearing frame, the bottom mounting of bearing frame has the bearing end cover, the tail-shaft is installed through tapered roller bearing and cylindrical roller bearing support in the inside of bearing frame, there is the inner seal circle at the top of bearing frame through top bolt fixed mounting, the inner seal circle cooperatees with the outer seal circle of installing on the tail-shaft and constitutes the mechanical seal system, the internally mounted of inner seal circle has the skeleton oil blanket, skeleton seal subassembly is constituteed with the outer wall of outer seal circle to the skeleton oil blanket.

And the bearing end cover is fixedly arranged at the bottom end of the bearing seat through a bottom bolt.

And the outer ring of the cylindrical roller bearing is supported on the bearing end cover through a positioning sleeve.

And a bearing adjusting pad is arranged between the tapered roller bearing and the cylindrical roller bearing.

And a plurality of bottom grooves are processed on the bottom end surface of the outer sealing ring.

The top processing of interior sealing washer has a plurality ofly to be used for with outer sealing washer matched with top recess, the bottom processing of interior sealing washer has the oil groove, processes the skeleton seal mounting groove that is used for installing the skeleton oil blanket on the inside wall of interior sealing washer.

The framework oil seal comprises an upper framework oil seal and a lower framework oil seal, the opening of the upper framework oil seal is outward, and the opening of the lower framework oil seal is inward.

The utility model discloses there is following beneficial effect:

1. the sealing device can play a good sealing effect, is long in service life, and prolongs the service life of the bearing.

2. By adopting the mechanical sealing system and the framework sealing assembly, the effect of double sealing is achieved, the sealing efficiency is greatly improved, and the mechanical sealing system and the framework sealing assembly are particularly suitable for the phosphogypsum processing industry.

3. The inner rings of the two bearings can be positioned through the bearing adjusting pad.

4. One side of the framework oil seal is opened outwards to prevent external dust from entering; one side opening is inwards to prevent bearing frame lubricating oil loss.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a main sectional view of the present invention.

In the figure: the device comprises a tail shaft 1, an outer sealing ring 2, a skeleton oil seal 3, an inner sealing ring 4, a cylindrical roller bearing 5, a bearing seat 6, a top bolt 7, a bottom bolt 8, a bearing end cover 9, a tapered roller bearing 10, a bearing adjusting pad 11 and a positioning sleeve 12;

a bottom groove 201;

an upper framework oil seal 301 and a lower framework oil seal 302;

top groove 401, skeleton seal mounting groove 402, oil groove 403.

Detailed Description

The following describes embodiments of the present invention with reference to the accompanying drawings.

Referring to fig. 1, vertical crusher lower part bearing frame double seal device, it includes bearing frame 6, the bottom mounting of bearing frame 6 has bearing end cover 9, the inside of bearing frame 6 is supported through tapered roller bearing 10 and cylindrical roller bearing 5 and is installed tail shaft 1, there is inner seal 4 at the top of bearing frame 6 through top bolt 7 fixed mounting, inner seal 4 cooperatees with the outer seal 2 of installing on tail shaft 1 and constitutes mechanical seal system, the internally mounted of inner seal 4 has skeleton oil blanket 3, skeleton oil blanket 3 constitutes skeleton seal assembly with the outer wall of outer seal 2. The sealing device can play a good sealing effect, is long in service life, and prolongs the service life of the bearing. By adopting the mechanical sealing system and the framework sealing assembly, the effect of double sealing is achieved, the sealing efficiency is greatly improved, and the mechanical sealing system and the framework sealing assembly are particularly suitable for the phosphogypsum processing industry.

Further, the bearing end cover 9 is fixedly installed at the bottom end of the bearing seat 6 through a bottom bolt 8. The bearing can be supported by the bearing end cover 9.

Further, the outer ring of the cylindrical roller bearing 5 is supported on the bearing end cover 9 through a positioning sleeve 12. The outer ring of the cylindrical roller bearing 5 can be effectively supported by the positioning sleeve 12.

Further, a bearing adjusting pad 11 is arranged between the tapered roller bearing 10 and the cylindrical roller bearing 5. The inner rings of the two bearings can be positioned by the bearing adjusting pads 11 described above.

Further, a plurality of bottom grooves 201 are processed on the bottom end surface of the outer sealing ring 2. The top processing of interior sealing washer 4 has a plurality ofly to be used for with outer sealing washer 2 matched with top recess 401, the bottom processing of interior sealing washer 4 has oil groove 403, processes the skeleton seal mounting groove 402 that is used for installing skeleton oil blanket 3 on the inside wall of interior sealing washer 4. Through the cooperation between the outer sealing ring 2 and the inner sealing ring 4, mechanical sealing is formed, and the sealing effect is guaranteed.

Further, skeleton oil blanket 3 includes skeleton oil blanket 301 and lower skeleton oil blanket 302, it is outside to go up skeleton oil blanket 301 opening, skeleton oil blanket 302 opening is inside down. One side of the framework oil seal 3 is opened outwards to prevent external dust from entering; one side opening is inwards to prevent bearing frame lubricating oil loss.

The utility model discloses a working process and principle:

the tail shaft 1 can be rotatably supported through the bearing seat and the bearing with the structure, and the mechanical sealing system and the framework sealing assembly have a double sealing effect, so that the sealing efficiency is greatly improved, and the mechanical sealing system and the framework sealing assembly are particularly suitable for the phosphogypsum processing industry.

Claims

1. Vertical breaker lower part bearing frame double seal device, its characterized in that with: it includes bearing frame (6), the bottom mounting of bearing frame (6) has bearing end cover (9), the inside of bearing frame (6) is supported through tapered roller bearing (10) and cylindrical roller bearing (5) and is installed tail-shaft (1), there is inner seal circle (4) at the top of bearing frame (6) through top bolt (7) fixed mounting, inner seal circle (4) cooperate with outer seal ring (2) of installing on tail-shaft (1) and constitute mechanical seal system, the internally mounted of inner seal circle (4) has skeleton oil blanket (3), skeleton seal assembly is constituteed with the outer wall of outer seal circle (2) in skeleton oil blanket (3).

2. The double sealing device for the lower bearing housing of the vertical crusher as claimed in claim 1, wherein: and the bearing end cover (9) is fixedly arranged at the bottom end of the bearing seat (6) through a bottom bolt (8).

3. The double sealing device for the lower bearing housing of the vertical crusher as claimed in claim 1, wherein: the outer ring of the cylindrical roller bearing (5) is supported on the bearing end cover (9) through a positioning sleeve (12).

4. The double sealing device for the lower bearing housing of the vertical crusher as claimed in claim 1, wherein: and a bearing adjusting pad (11) is arranged between the tapered roller bearing (10) and the cylindrical roller bearing (5).

5. The double sealing device for the lower bearing housing of the vertical crusher as claimed in claim 1, wherein: the bottom end face of the outer sealing ring (2) is provided with a plurality of bottom grooves (201).

6. The double sealing device for the lower bearing housing of the vertical crusher as claimed in claim 1, wherein: the top processing of interior sealing washer (4) has a plurality of top recess (401) that are used for with outer sealing washer (2) matched with, the bottom processing of interior sealing washer (4) has oil groove (403), processes on the inside wall of interior sealing washer (4) to have skeleton seal mounting groove (402) that are used for installing skeleton oil blanket (3).

7. The double sealing device for the lower bearing housing of the vertical crusher as claimed in claim 1, wherein: the framework oil seal (3) comprises an upper framework oil seal (301) and a lower framework oil seal (302), the opening of the upper framework oil seal (301) is outward, and the opening of the lower framework oil seal (302) is inward.