CN214651389U

CN214651389U - Shaft end sealing device for lower conveyor of dust removing equipment

Info

Publication number: CN214651389U
Application number: CN202023137720.2U
Authority: CN
Inventors: 周斌; 陆文强; 俞根火
Original assignee: Suzhou Xieli Environmental Protection Equipment Co ltd
Current assignee: Suzhou Xieli Environmental Protection Equipment Co ltd
Priority date: 2020-12-23
Filing date: 2020-12-23
Publication date: 2021-11-09
Anticipated expiration: 2030-12-23

Abstract

The utility model discloses a dust collecting equipment lower part conveyer shaft end sealing device, including the axle head body, first seal assembly, second seal assembly and end cover have been cup jointed on the lateral wall of axle head body, first seal assembly passes through fastening bolt fixed connection with second seal assembly, and is provided with the confined cavity between first seal assembly and the second seal assembly. The utility model provides a dust collecting equipment lower part conveyer shaft end sealing device, this dust collecting equipment lower part conveyer shaft end sealing device simple structure, it is sealed effectual, through setting up first seal assembly and second seal assembly at the axle head, double seal, guarantee the sealed effect of axle head, simultaneously through filling lubricating grease to the cavity, guarantee lubricated and sealed effect, and through setting up the ash tray, make axle head clearance and closed cavity form tortuous passageway, compare in through-type structure, such sealed mode, the degree of difficulty that material and impurity leaked through the axle head clearance has been increased effectively, be favorable to guaranteeing sealed effect.

Description

Shaft end sealing device for lower conveyor of dust removing equipment

Technical Field

The utility model relates to a dust collecting equipment lower part conveyer technical field especially relates to a dust collecting equipment lower part conveyer shaft end sealing device.

Background

In the dust removal process, materials and impurities are often conveyed through the screw conveyer, and the sealing effect of the conveying equipment has important influence on the product quality and the production efficiency. The screw conveyer is a machine which utilizes a motor to drive a screw to rotate and push materials so as to realize the conveying purpose. The conveying device can convey horizontally, obliquely or vertically, and has the advantages of simple structure, small cross-sectional area, convenience in operation, easiness in maintenance, convenience in closed transportation and the like.

But the conveyed materials and impurities tend to leak through the gap at the end part of the rotating shaft; on the other hand, the rotating shaft is used as an important power device of the spiral conveyor, the sealing effect of the spiral conveyor is guaranteed, dust is prevented from invading to influence the work of the rotating shaft, and the rotary shaft sealing device is also very important for guaranteeing the work efficiency of the whole spiral conveyor. However, the sealing effect of the shaft end sealing device in the prior art is not good.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust collecting equipment lower part conveyer shaft end sealing device, this dust collecting equipment lower part conveyer shaft end sealing device simple structure, it is sealed effectual, through setting up first seal assembly and second seal assembly at the axle head, double seal, guarantee the sealed effect of axle head, simultaneously through filling lubricating grease in to the cavity, guarantee lubricated and sealed effect, and through setting up the ash tray, make axle head clearance and closed cavity form tortuous passageway, compare in the structure of through type, such sealed mode, the degree of difficulty that the material passes through axle head clearance leakage has been increased effectively, be favorable to guaranteeing sealed effect.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a dust collecting equipment lower part conveyer shaft end sealing device, includes the axle head body, cup jointed first seal assembly, second seal assembly and end cover on the lateral wall of axle head body, first seal assembly passes through fastening bolt fixed connection with the second seal assembly, and is provided with the confined cavity between first seal assembly and the second seal assembly.

Preferably, the first sealing assembly comprises a first sealing seat sleeved on the side wall of the shaft end body, a first dustproof reserved groove is formed in the side wall of the first sealing seat, a plurality of first framework oil seals are arranged in the first dustproof reserved groove, a sealing gland is sleeved on the side wall of the shaft end body, and the first framework oil seals are compressed and fixed through the sealing gland and the fastening bolts.

Preferably, the second seal assembly comprises a second seal seat sleeved on the side wall of the shaft end body, a second dustproof reserved groove is formed in the side wall of the second seal seat, a plurality of second framework oil seals are arranged in the second dustproof reserved groove, and the second framework oil seals are compressed and fixed by means of end covers and fastening bolts.

Preferably, the side wall of the shaft end body is sleeved with an ash blocking disc, and the ash blocking disc is positioned in the cavity.

Preferably, the lateral wall fixedly connected with inlet pipe of first seal receptacle, and the lateral wall threaded connection of inlet pipe has first pipe cap, the lateral wall fixedly connected with discharging pipe of first seal receptacle, and the lateral wall threaded connection of discharging pipe has the second pipe cap, the inlet pipe is located the top of discharging pipe.

Preferably, the first framework oil seal and the second framework oil seal are both made of nitrile rubber.

Preferably, the first sealing seat and the second sealing seat are both made of Q235A.

The utility model provides a beneficial effect that technical scheme brought is:

1. the shaft end sealing device of the lower conveyor of the dust removing equipment realizes double sealing of the shaft end body through the first sealing assembly and the second sealing assembly, ensures the sealing effect, and compresses and fixes the first framework oil seal and the second framework oil seal through the arrangement of the sealing gland and the end cover, so that the sealing effect is better;

2. the utility model discloses a dust collecting equipment lower part conveyer shaft end sealing device, through setting up the inlet pipe, cavity and ash tray etc, through filling lubricating grease to the cavity, guarantee the lubrication and sealed effect in counter shaft end clearance, and simultaneously, through setting up the ash tray, make shaft end clearance and closed cavity form tortuous passageway, compare in the structure of through type, such sealed mode, the degree of difficulty that material and impurity pass through shaft end clearance leakage has been increased effectively, be favorable to guaranteeing sealed effect, and, through setting up inlet pipe and discharging pipe, be convenient for add and change lubricating grease in to the cavity, guarantee its lubricated and sealed effect.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a schematic cross-sectional view of a shaft end sealing device of a lower conveyor of a dust removing device of the present invention;

fig. 2 is a schematic structural view of a second seal seat in a shaft end seal device of a lower conveyor of a dust removing device of the present invention;

fig. 3 is a schematic structural view of a first seal seat in a shaft end seal device of a lower conveyor of a dust removing device of the present invention;

FIG. 4 is a schematic structural view of an ash blocking plate in a shaft end sealing device of a lower conveyor of a dust removing device of the present invention;

fig. 5 is a schematic structural view of a sealing gland in the shaft end sealing device of the lower conveyor of the dust removing device of the present invention.

In the figure: 1. a shaft end body; 2. a first seal seat; 3. a second seal seat; 4. an end cap; 5. a first framework oil seal; 6. a sealing gland; 7. a second framework oil seal; 8. an ash blocking disc; 9. a first cap; 10. a second cap; 11. a discharge pipe; 12. a feed pipe; 13. a cavity.

Detailed Description

In order to make the technical solution of the present invention better understood, the technical solution of 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, 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.

In the following description, for clarity and conciseness of description, not all of the various components shown in the figures are described. The various components shown in the figures provide those skilled in the art with a fully enabled disclosure of the invention. The operation of many of the components is familiar and obvious to those skilled in the art.

Example (b):

as shown in fig. 1-5, the present embodiment provides a shaft end sealing device for a lower conveyor of a dust removing device, including a shaft end body 1, a first sealing assembly, a second sealing assembly and an end cover 4 are sleeved on a side wall of the shaft end body 1, the first sealing assembly and the second sealing assembly are fixedly connected through a fastening bolt, a closed cavity 13 is provided between the first sealing assembly and the second sealing assembly, through the first sealing assembly and the second sealing assembly, double sealing of the shaft end body 1 is realized, a sealing effect is ensured, and lubricating grease is filled into the cavity 13, so as to ensure lubricating and sealing effects for a shaft end gap.

First seal assembly is including cup jointing first seal receptacle 2 on the 1 lateral wall of axle head body, and the lateral wall of first seal receptacle 2 is provided with first dustproof reserve groove, and is provided with a plurality of first skeleton oil blanket 5 in the first dustproof reserve groove, and the lateral wall of axle head body 1 has cup jointed gland 6, and first skeleton oil blanket 5 compresses tightly fixedly with the help of gland 6 and fastening bolt, guarantees to the first layer of axle head body 1 sealed.

The second seal assembly comprises a second seal seat 3 sleeved on the side wall of the shaft end body 1, the side wall of the second seal seat 3 is provided with a second dustproof reserved groove, a plurality of second framework oil seals 7 are arranged in the second dustproof reserved groove, the second framework oil seals 7 are compressed and fixed by means of end covers 4 and fastening bolts, and the second layer of the shaft end body 1 is sealed.

The lateral wall of axle head body 1 has cup jointed ash blocking disc 8, and ash blocking disc 8 is located the inside of cavity 13 to through setting up ash blocking disc 8, make the clearance of axle head body 1 department and closed cavity 13 form tortuous passageway, compare in the structure of through type, such sealed mode has increased the degree of difficulty that the material passes through axle head clearance leakage effectively, is favorable to guaranteeing sealed effect.

Lateral wall fixedly connected with inlet pipe 12 of first seal receptacle 2, and the lateral wall threaded connection of inlet pipe 12 has first pipe cap 9, the lateral wall fixedly connected with discharging pipe 11 of first seal receptacle 2, and the lateral wall threaded connection of discharging pipe 11 has second pipe cap 10, inlet pipe 12 is located the top of discharging pipe 11, through setting up inlet pipe 12 and discharging pipe 11, be convenient for add and change lubricating grease in the cavity 13, guarantee its lubrication and sealed effect.

The first framework oil seal 5 and the second framework oil seal 7 are both made of nitrile rubber, so that the sealing effect and the service life of the framework oil seal are ensured.

The first seal seat 2 and the second seal seat 3 are both made of Q235A, so that the use effect is ensured.

The working principle is as follows: when in use, firstly, the first pipe cap 9 is opened, lubricating grease is filled into the cavity 13 through the feeding pipe 12, the lubricating and sealing effect of the shaft end gap is ensured, meanwhile, the shaft end gap and the closed cavity 13 form a zigzag channel through the arrangement of the ash blocking disc 8, compared with a straight-through structure, the sealing mode effectively increases the difficulty of leakage of materials and impurities through the shaft end gap, and is beneficial to ensuring the sealing effect, moreover, the lubricating grease is conveniently added and replaced into the cavity 13 through the arrangement of the feeding pipe 12 and the discharging pipe 11, the lubricating and sealing effect is ensured, moreover, the double sealing of the shaft end body 1 is realized through the arrangement of the first sealing assembly and the second sealing assembly, the sealing effect is ensured, meanwhile, the first framework oil seal 5 and the second framework oil seal 7 are tightly pressed and fixed through the arrangement of the sealing gland 6 and the end cover 4, and the sealing effect is better, when the lubricating grease in the cavity 13 needs to be added and replaced, only the first pipe cap 9 and the second pipe cap 10 need to be opened for operation, so that the use is more convenient, and the lubricating and sealing effects are ensured.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a dust collecting equipment lower part conveyer shaft end sealing device, includes the axle head body, its characterized in that: the side wall of the shaft end body is sleeved with a first sealing assembly, a second sealing assembly and an end cover, the first sealing assembly and the second sealing assembly are fixedly connected through fastening bolts, and a closed cavity is formed between the first sealing assembly and the second sealing assembly.

2. The dust removing apparatus lower conveyor shaft end sealing device of claim 1, wherein: the first sealing assembly comprises a first sealing seat sleeved on the side wall of the shaft end body, a first dustproof reserved groove is formed in the side wall of the first sealing seat, a plurality of first framework oil seals are arranged in the first dustproof reserved groove, a sealing gland is sleeved on the side wall of the shaft end body, and the first framework oil seals are compressed and fixed through the sealing gland and fastening bolts.

3. The dust removing apparatus lower conveyor shaft end sealing device of claim 2, wherein: the second sealing assembly comprises a second sealing seat sleeved on the side wall of the shaft end body, a second dustproof reserved groove is formed in the side wall of the second sealing seat, a plurality of second framework oil seals are arranged in the second dustproof reserved groove, and the second framework oil seals are compressed and fixed through end covers and fastening bolts.

4. The dust removing apparatus lower conveyor shaft end sealing device of claim 1, wherein: the side wall of the shaft end body is sleeved with an ash blocking disc, and the ash blocking disc is located inside the cavity.

5. The dust removing apparatus lower conveyor shaft end sealing device of claim 2, wherein: the lateral wall fixedly connected with inlet pipe of first seal receptacle, and the lateral wall threaded connection of inlet pipe has first pipe cap, the lateral wall fixedly connected with discharging pipe of first seal receptacle, and the lateral wall threaded connection of discharging pipe has the second pipe cap, the inlet pipe is located the top of discharging pipe.

6. The dust removing apparatus lower conveyor shaft end sealing device of claim 3, wherein: and the first framework oil seal and the second framework oil seal are both made of nitrile rubber.

7. The dust removing apparatus lower conveyor shaft end sealing device of claim 3, wherein: the first sealing seat and the second sealing seat are both made of Q235A.