CN214059278U

CN214059278U - Sealing mechanism for rotating shaft of discharger

Info

Publication number: CN214059278U
Application number: CN202022715127.5U
Authority: CN
Inventors: 张吉祥; 苗海滨; 王玉鹏; 李英杰
Original assignee: Shandong Jiefeng Machinery Manufacturing Co ltd
Current assignee: Shandong Jiefeng Machinery Manufacturing Co ltd
Priority date: 2020-11-19
Filing date: 2020-11-19
Publication date: 2021-08-27
Anticipated expiration: 2030-11-19

Abstract

The utility model provides a sealing mechanism for a rotating shaft of a discharger, which comprises an end cover and a rotating shaft, wherein a mounting plate is arranged outside the end cover, a bearing assembly is arranged on the mounting plate, and the bearing assembly is connected with one end of the rotating shaft; one side of the end cover is provided with a packing chamber, one end of the rotating shaft is provided with a wear-resistant sleeve, packing is arranged between the wear-resistant sleeve and the packing chamber, and one side of the wear-resistant sleeve is provided with a packing cover connected with the packing chamber. The utility model discloses simple structure, reasonable in design, bearing assembly and tripper casing are the disconnect-type structure, effectively reduce the heat-conduction to the harm of bearing, improve the life of bearing to reduce use cost. The utility model discloses a sealing washer seals the countershaft with the filler, and multiple seal has effectively reduced the tripper and has scurried the powder probability, has strengthened the leakproofness of tripper, avoids increasing unnecessary maintenance work volume.

Description

Sealing mechanism for rotating shaft of discharger

Technical Field

The utility model belongs to the technical field of tripper seal structure, specifically speaking is a sealing mechanism for tripper pivot.

Background

The discharger is a main device for air supply and other devices for discharging, is suitable for powdery materials and granular materials, has compact structure and attractive appearance, and is widely applied to relevant departments of environmental protection metallurgy, chemical industry, grain, food and the like.

The sealing effect of the discharger is an important index of the performance of the discharger, and the dust removal effect of the dust remover can be influenced, however, the sealing effect of the existing discharger is not ideal, and the discharger is often easy to mix powder under the action of factors such as internal wind pressure, powder abrasion and temperature, and the like, so that the discharger is not suitable for long-term use and needs to be further processed and improved.

Both ends of a powder discharger in the prior art need to be sealed, and due to the poor sealing performance of the existing equipment, the powder leakage and powder spraying phenomena are easily caused under the action of factors such as internal air pressure, powder abrasion and temperature, and the maintenance is often needed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a sealing mechanism is used in tripper pivot for solve the sealed problem of leaking the powder easily not good in the pivot, reach the beneficial effect that improves sealed effect and effectively reduce the adverse effect of heat conduction to the bearing.

The utility model discloses a following technical scheme realizes:

a sealing mechanism for a rotating shaft of a discharger comprises an end cover and a rotating shaft, wherein a mounting plate is arranged on the outer side of the end cover, a bearing assembly is arranged on the mounting plate, and the bearing assembly is connected with one end of the rotating shaft; one side of the end cover is provided with a packing chamber, one end of the rotating shaft is provided with a wear-resistant sleeve, packing is arranged between the wear-resistant sleeve and the packing chamber, and one side of the wear-resistant sleeve is provided with a packing cover connected with the packing chamber.

Furthermore, the bearing assembly comprises a bearing connected with the rotating shaft, a bearing chamber and a bearing cover, wherein the bearing chamber is arranged outside the bearing, and the bearing cover is arranged on the same side of the bearing chamber and the bearing.

Further, the bearing cover is detachably connected with the bearing chamber; the bearing cover is internally provided with a movably connected pressing plate, and the pressing plate is provided with a first bolt which penetrates through the bearing and is connected with the rotating shaft.

Furthermore, the section of the filler cover is of a transverse T-shaped structure, and one side of the filler cover, which is close to the filler, is an inclined surface.

Furthermore, the packing chamber is connected with the packing cover through a second bolt, a fabrication hole matched with the second bolt is formed in one side of the packing chamber, and a plug is arranged on one side in the fabrication hole.

Furthermore, the end cover is connected with the discharger shell through a third bolt, and a sealing ring is arranged between the end cover and the discharger shell.

The utility model has the advantages that:

1. the utility model discloses simple structure, reasonable in design, bearing assembly and tripper casing are the disconnect-type structure, effectively reduce the heat-conduction to the harm of bearing, improve the life of bearing to reduce use cost.

2. The utility model seals the rotating shaft through the sealing ring and the filler, the powder mixing probability of the discharger is effectively reduced through multiple sealing, the sealing performance of the discharger is enhanced, and unnecessary maintenance workload is prevented from being increased; one side of the packing cover close to the packing is of an inclined structure, so that the packing is convenient to adjust, and the packing and the rotating shaft are favorably compressed.

3. The utility model discloses be equipped with wear-resisting cover between filler and pivot, wear-resisting cover can play the guard action to the pivot, prevents that the pivot from wearing and tearing fast when the raw materials is the powder, is favorable to reducing the fault incidence.

4. The utility model discloses the bearing assembly that sets up is connected for the gusset with the end cover, and this connected mode makes holistic intensity high, and in addition, the staff is big in the adjustment packing operating space when compressing tightly, and it is convenient to maintain.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

fig. 2 is a top view of fig. 1.

In the figure, 1, an end cover; 2. a rotating shaft; 3. mounting a plate; 4. a packing chamber; 5. a wear-resistant sleeve; 6. a filler; 7. a filler cover; 8. a bearing; 9. a bearing chamber; 10. a bearing cap; 11. pressing a plate; 12. a first bolt; 13. a second bolt; 14. a fabrication hole; 15. plugging with a thread; 16. a third bolt; 17. a discharger housing; 18. and (5) sealing rings.

Detailed Description

In order to make the technical solutions in the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below 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, but 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 shall belong to the protection scope of the present invention.

A sealing mechanism for a rotating shaft of a discharger is shown in figures 1 and 2 and comprises an end cover 1 and the rotating shaft 2, wherein one side of the end cover 1 is connected with a discharger shell 17 through a third bolt 16, and a sealing ring 18 is arranged between the end cover 1 and the discharger shell 17. The other side of the end cover 1 is provided with a mounting plate 3, the mounting plate 3 is provided with a bearing assembly, and the bearing assembly is connected with one end of the rotating shaft 2.

The bearing assembly and the discharger shell 17 are of a separated structure, so that the damage of heat conduction to the bearing is effectively reduced, the service life of the bearing 8 is prolonged, and the use cost is reduced.

As shown in figure 1, one side of the end cover 1 is provided with a packing chamber 4, one end of the rotating shaft 2 is provided with a wear-resistant sleeve 5, the wear-resistant sleeve 5 can protect the rotating shaft 2, the rotating shaft 2 is prevented from being quickly worn when the raw materials are powder, and the failure rate is favorably reduced.

As shown in figure 1, a filler 6 is arranged between the wear-resistant sleeve 5 and the filler chamber 4, the filler 6 plays a role in sealing, and a filler cover 7 connected with the filler chamber 4 is arranged on one side of the wear-resistant sleeve 5.

As shown in fig. 1, the bearing assembly includes a bearing 8 connected to the rotating shaft 2, a bearing chamber 9 and a bearing cover 10, the bearing chamber 9 is disposed outside the bearing 8, and the bearing cover 10 is disposed on the same side of the bearing chamber 9 as the bearing 8.

As shown in fig. 1, the bearing cover 10 is detachably connected with the bearing chamber 9, and the two are connected through bolts; the bearing cover 10 is internally provided with a movably connected pressing plate 11, and the pressing plate 11 is provided with a first bolt 12 which penetrates through the bearing 8 and is connected with the rotating shaft 2. The structure is convenient to install and improves the operation efficiency.

As shown in fig. 1, the section of the packing cover 7 is a transverse T-shaped structure, and one side of the packing cover 7 close to the packing 6 is an inclined surface. The structure is convenient for adjusting the filler 6 and is beneficial to compressing the filler 6 and the rotating shaft 2.

As shown in fig. 1, the packing chamber 4 is connected with the packing cover 7 through a second bolt 13, a fabrication hole 14 matched with the second bolt 13 is arranged on one side of the packing chamber 4, and a plug 15 is arranged on one side in the fabrication hole 14.

During the use, pivot 2 passes tripper casing 17 and end cover 1, is equipped with sealing washer 18 between tripper casing 17 and the end cover 1, and both connect through third bolt 16. The end cover 1 is provided with the packing chamber 4, the packing 6 of the packing chamber 4 is connected with the rotating shaft 2 through the wear-resistant sleeve 5, the packing cover 7 is connected with the packing chamber 4 through the second bolt 13, one end of the packing cover 7, which is close to the packing 6, can extrude the packing 6 when the packing cover 7 is installed, and the packing 6 is ensured to be pressed on the rotating shaft 2 and has a good sealing effect.

The worker matches the bearing 8 with the rotating shaft 2, then places the pressing plate 11 on one side of the bearing 8, and connects the pressing plate 11, the bearing 8 and the rotating shaft 2 together through the first bolt 12; the bearing 8 outside is equipped with bearing chamber 9, and bearing cover 10 is installed through the bolt to bearing chamber 9 one side to this makes bearing 8 be in sealed space, guarantees that service environment is clean.

Although the present invention has been described in detail by referring to the drawings in conjunction with the preferred embodiments, the present invention is not limited thereto. Various equivalent modifications or substitutions can be made on the embodiments of the present invention by those skilled in the art without departing from the spirit and substance of the present invention, and these modifications or substitutions are intended to be within the scope of the present invention/any person skilled in the art can easily conceive of changes or substitutions within the technical scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A sealing mechanism for a rotating shaft of a discharger comprises an end cover and a rotating shaft, and is characterized in that a mounting plate is arranged on the outer side of the end cover, a bearing assembly is arranged on the mounting plate, and the bearing assembly is connected with one end of the rotating shaft; one side of the end cover is provided with a packing chamber, one end of the rotating shaft is provided with a wear-resistant sleeve, packing is arranged between the wear-resistant sleeve and the packing chamber, and one side of the wear-resistant sleeve is provided with a packing cover connected with the packing chamber.

2. The sealing mechanism for the rotating shaft of the discharger according to claim 1, wherein: the bearing assembly comprises a bearing, a bearing chamber and a bearing cover, wherein the bearing, the bearing chamber and the bearing cover are connected with the rotating shaft, the bearing chamber is arranged on the outer side of the bearing, and the bearing cover is arranged on the same side of the bearing chamber and the bearing.

3. The sealing mechanism for the rotating shaft of the discharger according to claim 2, wherein: the bearing cover is detachably connected with the bearing chamber; the bearing cover is internally provided with a movably connected pressing plate, and the pressing plate is provided with a first bolt which penetrates through the bearing and is connected with the rotating shaft.

4. The sealing mechanism for the rotating shaft of the discharger according to claim 1, wherein: the section of the packing cover is of a transverse T-shaped structure, and one side of the packing cover, which is close to the packing, is an inclined surface.

5. The sealing mechanism for the rotating shaft of the discharger according to claim 1, wherein: the packing chamber is connected with the packing cover through a second bolt, a process hole matched with the second bolt is formed in one side of the packing chamber, and a plug is arranged on one side in the process hole.

6. The sealing mechanism for the rotating shaft of the discharger according to claim 1, wherein: the end cover is connected with the discharger shell through a third bolt, and a sealing ring is arranged between the end cover and the discharger shell.