CN217265651U

CN217265651U - Fermentation cylinder (mixing) shaft axle bush fixing device

Info

Publication number: CN217265651U
Application number: CN202220793575.3U
Authority: CN
Inventors: 刘萍辉; 廖晨; 宋志远; 吴钟�
Original assignee: Jiangxi New Reyphon Biochemical Co ltd
Current assignee: Jiangxi New Reyphon Biochemical Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-08-23
Anticipated expiration: 2032-04-07

Abstract

The utility model relates to an agitating unit technical field provides a fermentation cylinder (mixing) shaft axle bush fixing device, including bearing bush, clamp plate and base, the axle bush comprises the first semi-cylinder of two tile forms, the surface that the axle bush was located to the bearing bush and fixed with the axle bush, the clamp plate is the crescent, the internal diameter department of clamp plate locates on the base is located to upper surface, the external diameter department of first semi-cylinder, the base is used for clamp plate and axle bush, bearing bush fixed connection, the upper surface of first semi-cylinder is equipped with first recess, the center of clamp plate is equipped with the arch, arch and first recess phase-match. The utility model discloses a structure and principle are simple, and easy to assemble and dismantlement can firmly fix the axle bush, have solved the axle bush at axial and radial effort, and the operation is stable, and factor of safety is high.

Description

Fermentation cylinder (mixing) shaft axle bush fixing device

Technical Field

The utility model relates to an agitating unit technical field especially relates to a fermentation cylinder (mixing) shaft axle bush fixing device.

Background

The stirring shaft is an important component of the fermentation tank, the stirring part bearing mainly plays a role in supporting the rotation of the shaft and reducing the friction coefficient, and the stable operation of the bearing directly influences the normal production of fermentation. The sliding bearing is generally used in a workshop fermentation tank and mainly comprises three parts: the bearing bush is fixed on the bearing bush by two to four screws, and the shaft sleeve is in clearance fit with the bearing bush.

However, in the using process, the screw rod is easy to break and loosen due to the impact rotation acting force of the shaft to the bearing bush; if the screw is not timely processed, the bearing bush can move in the bearing bush after the screw is loosened or broken, the bearing bush is easy to float and fall off, and the bearing bush and the shaft sleeve can collide; if the bearing bush rotates, the outer diameter of the bearing bush and the inner diameter of the bearing bush are abraded, and the bearing bush cannot be fixed permanently. Therefore, the shaft sleeve needs to be replaced frequently, otherwise, the motor is burnt out slightly, the stirring tank shakes abnormally, the whole stirring system is damaged seriously, the production is seriously influenced, and more serious accidents can be caused. The price of the set of bearing is more than 1.5 ten thousand, which causes the increase of the production cost. In order to solve the problems, the key point is how to fix the bearing bush, and the axial and radial acting forces of the bearing bush are solved.

Disclosure of Invention

The utility model aims at overcoming at least one of the defects and shortcomings of the prior art and providing a fermentation tank stirring shaft bearing which can stably run and is safe and reliable. The utility model discloses the purpose is realized based on following technical scheme:

the utility model provides a fermentation cylinder (mixing) shaft axle bush fixing device, including bearing bush, clamp plate and base, the axle bush comprises the first semi-cylinder of two tile forms, the surface that the axle bush was located to the bearing bush and fixed with the axle bush, the clamp plate is the crescent, the internal diameter department of clamp plate locates on the base is located to upper surface, the external diameter department of first semi-cylinder, the base is used for clamp plate and axle bush, bearing bush fixed connection, the upper surface of first semi-cylinder is equipped with first recess, the center of clamp plate is equipped with the arch, arch and first recess phase-match.

Preferably, the protrusion is a square key.

Preferably, the longitudinal section of the base is of an L-shaped structure and comprises a bottom edge and a side edge, the bottom edge is matched with the side surface of the bearing bush, and the side edge is matched with the lower surface of the pressing plate.

Preferably, the pressure plate is connected with the base through a screw.

Preferably, a first mounting hole is formed in the pressing plate, a corresponding second mounting hole is formed in the bottom edge of the base, and the first mounting hole and the second mounting hole are connected through a first bolt and a first nut.

Preferably, the base is welded to a side surface of the bearing bush.

Preferably, the upper surface of the semi-cylinder is provided with a second groove, the depth of the second groove is smaller than that of the first groove, and the second groove is matched with the pressing plate in shape.

Preferably, the bearing bush is composed of two tile-shaped second half cylinders, and a vertical first connecting plate is arranged at the joint of the two second half cylinders and used for connecting and fixing the two second half cylinders.

Preferably, the bottom of the second semi-cylinder is provided with a second connecting plate matched with the outer diameter of the second semi-cylinder, and the second connecting plate is used for fixing the bearing bush on a bridge frame of the fermentation tank.

Preferably, the first connecting plate and the second connecting plate are provided with third mounting holes, the two second half cylinders are fixedly connected through a third mounting hole screw, and the second connecting plate and the bridge frame are fixedly connected through a third mounting hole screw.

The utility model discloses at least, can be preferred can following one of them of beneficial effect:

the utility model solves the radial acting force of the bearing bush by designing the matching of the pressing plate and the base to connect and fix the bearing bush and the bearing bush in the radial direction; the middle of the pressure plate is provided with a bulge which is matched with a groove on the bearing bush to limit the axial rotation of the bearing bush. Therefore, the outer surface of the bearing bush and the inner surface of the bearing bush cannot deviate or wear, and the use of the bearing bush cannot be influenced. The utility model discloses a structure and principle are simple, and easy to assemble and dismantlement can firmly fix the axle bush, have solved the axle bush at axial and radial effort, and the operation is stable, and factor of safety is high.

The clearance between the modified bearing and the stirring shaft is reduced, the operation is more stable and reliable, and the production cost is greatly reduced. The consumption rate of the bearing bush is greatly reduced, the service time in the stirring tank is over 1 year and half, and the service life before modification is only about 6 months, so that about 5 ten thousand of production cost can be saved; the bearing bush does not need to be replaced, can be used normally all the time, and can save about 15 ten thousand yuan each year. The utility model discloses an indirect value lies in equipment steady operation, can not influence the production operation.

Drawings

FIG. 1 is a schematic structural view of a fixing device for a stirring shaft bearing bush of a fermentation tank according to a preferred embodiment of the present invention;

FIG. 2 is a top view of the press plate, base and bearing liner in accordance with a preferred embodiment of the present invention;

FIG. 3 is a top view of the structure of the pressure plate, the base and the bearing bush in the preferred embodiment of the present invention;

FIG. 4 is a schematic cross-sectional view of the connection between the pressing plate and the base according to the preferred embodiment of the present invention;

description of reference numerals: 1-bearing bush, 2-pressing plate, 3-base, 4-bearing bush, 5-shaft sleeve, 6-first semi-cylinder, 7-first groove, 8-bulge, 9-bottom edge, 10-side edge, 11-first mounting hole, 12-second mounting hole, 13-first bolt, 14-first nut, 15-second groove, 16-second semi-cylinder, 17-first connecting plate, 18-second connecting plate and 19-third mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely 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 all belong to the protection scope of the present invention.

As shown in fig. 1-4, the preferred embodiment of the present invention provides a fixing device for a stirring shaft bearing bush of a fermentation tank, which comprises a bearing bush 1, a pressing plate 2 and a base 3, wherein:

the bearing bush 4 is integrally cylindrical and consists of two oppositely arranged bush-shaped first semicylinders 6, a shaft sleeve 5 is fixedly arranged on the stirring shaft, the bearing bush 4 is in clearance fit with the shaft sleeve 5, and the bearing bush 4 is sleeved on the outer surface of the bearing bush 4 and fixed by the bearing bush 1; when the stirring shaft rotates, the shaft sleeve 5 rotates along with the shaft, and the bearing bush 4 and the bearing bush 1 are fixed. The pressing plate 2 is crescent, the base 3 is welded on the side surface of the bearing bush 1, the inner diameter of the pressing plate 2 is arranged on the upper surface of the first semi-cylinder 6, the outer diameter of the first semi-cylinder is arranged on the base 3, and the base 3 is used for fixedly connecting the pressing plate 2 with the bearing bush 4 and the bearing bush 1. The upper surface of the first semi-cylinder 6 is provided with a first groove 7, the center of the pressure plate 2 is provided with a protrusion 8, the protrusion 8 is matched with the first groove 7, the bearing bush 4 is limited to be prevented from rotating in the axial direction, and preferably, the protrusion 8 is a square key, so that the stability is high.

The utility model designs the matching of the pressing plate and the base to connect and fix the bearing bush and the bearing bush in the radial direction, thus solving the radial acting force of the bearing bush; the middle of the pressure plate is provided with a bulge which is matched with a groove on the bearing bush to limit the axial rotation of the bearing bush. Therefore, the outer surface of the bearing bush and the inner surface of the bearing bush are not deviated and abraded, and the use of the bearing bush is not influenced. The utility model discloses a structure and principle are simple, and easy to assemble and dismantlement can firmly fix the axle bush, have solved the axle bush at axial and radial effort, and the operation is stable, and factor of safety is high.

In the present embodiment, the longitudinal section of the base 3 is in an "L" shape, and includes a bottom edge 9 and a side edge 10, the bottom edge 9 matches with the side surface of the bearing bush 1, and the side edge 10 matches with the lower surface of the pressure plate 2. The pressing plate 2 is provided with a first mounting hole 11, the bottom edge of the base 3 is provided with a corresponding second mounting hole 12, and the first mounting hole 11 and the second mounting hole 12 are connected through a first bolt 13 and a first nut 14. The pressing plate 2 and the base 3 are connected through a screw rod, so that the connection is stable, and the installation and the disassembly are convenient.

In this embodiment, the upper surface of the first semi-cylinder 6 is provided with a second groove 15, the depth of the second groove 15 is smaller than that of the first groove 7, and the second groove 15 matches with the shape of the pressing plate 2. The second groove 15 facilitates the installation of the pressing plate 2, and can further consolidate the limiting effect of the pressing plate 2 on the bearing bush 4 in the axial direction, and improve the operation stability.

In the present embodiment, the bearing bush 1 is composed of two tile-shaped second half cylinders 16. The connecting part of the two second half cylinders 16 is provided with a vertical first connecting plate 17, the first connecting plate 17 is provided with a third mounting hole 19, and the two second half cylinders 16 are fixedly connected through screws in the third mounting holes 19 on the first connecting plate 17, so that the bearing bush 4 is fixed. The bottom of the second semi-cylinder 16 is provided with a second connecting plate 18 matched with the outer diameter of the second semi-cylinder 16, the second connecting plate 18 is also provided with a third mounting hole 19, and the second connecting plate 18 connects and fixes the bearing bush 1 on the bridge frame of the fermentation tank through the third mounting hole 19. The screw rod is connected very firmly, easy to assemble and dismantle.

The utility model provides an axle bush fixing device reduces with the clearance of seizing the axle of mixing, and the operation is reliable and more stable, has reduced manufacturing cost by a wide margin. The consumption rate of the bearing bush is greatly reduced, the service life in the stirring tank is more than 1 year and a half, and the bearing bush does not need to be replaced and can be normally used all the time. The utility model discloses an indirect value lies in equipment steady operation, can not influence the production operation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the principles of the present invention.

Claims

1. A bearing bush fixing device for a stirring shaft of a fermentation tank is characterized by comprising a bearing bush (1), a pressing plate (2) and a base (3), the bearing bush (4) is sleeved on the outer surface of the bearing bush (1) and fixed by the bearing bush (4), the bearing bush (4) consists of two tile-shaped first semi-cylinders (6), the pressing plate (2) is crescent, the base (3) is arranged on the side surface of the bearing liner (1), the inner diameter of the pressure plate (2) is arranged on the upper surface of the first semi-cylinder (6), the outer diameter of the pressure plate is arranged on the base (3), the base (3) is used for connecting and fixing the pressure plate (2) with the bearing bush (4) and the bearing bush (1), the upper surface of the first semi-cylinder (6) is provided with a first groove (7), the center of the pressing plate (2) is provided with a bulge (8), and the bulge (8) is matched with the first groove (7).

2. A fermenter agitator shaft bearing shell fixture according to claim 1, wherein the protrusion (8) is a square key.

3. The bearing bush fixing device for the stirring shaft of the fermentation tank as claimed in claim 1, characterized in that the longitudinal section of the base (3) is of an L-shaped structure and comprises a bottom edge (9) and a side edge (10), wherein the bottom edge (9) is matched with the side surface of the bearing bush (1), and the side edge (10) is matched with the lower surface of the pressure plate (2).

4. A fermenter agitator shaft bushing fixing device according to claim 3, wherein the pressure plate (2) and the base (3) are connected by a screw.

5. A fermenter agitator shaft bushing fixing device according to claim 4, wherein the pressure plate (2) is provided with a first mounting hole (11), the bottom edge of the base (3) is provided with a corresponding second mounting hole (12), and the first mounting hole (11) and the second mounting hole (12) are connected through a first bolt (13) and a first nut (14).

6. A fermenter agitator shaft bushing fixture according to claim 1, wherein the base (3) is welded to the side surface of the bearing bushing (1).

7. A fermenter agitator shaft bushing fixing device according to claim 1, wherein the upper surface of the semi-cylinders (6) is provided with a second groove (15), the depth of the second groove (15) is smaller than that of the first groove (7), and the second groove (15) matches the shape of the pressure plate (2).

8. The bearing bush fixing device for the stirring shaft of the fermentation tank as claimed in claim 1, characterized in that the bearing bush (1) is composed of two second half cylinders (16) in a bush shape, and a vertical first connecting plate (17) is arranged at the joint of the two second half cylinders (16), and the first connecting plate (17) is used for connecting and fixing the two second half cylinders (16).

9. The fermenter agitator shaft bushing fixing device of claim 8, wherein the second half cylinder (16) is provided at a bottom with a second connecting plate (18) matching an outer diameter of the second half cylinder (16), and the second connecting plate (18) is used for fixing the bearing bush (1) to the bridge of the fermenter.

10. The bearing bush fixing device for the stirring shaft of the fermentation tank as claimed in claim 9, wherein the first connecting plate (17) and the second connecting plate (18) are provided with third mounting holes (19), the two second half cylinders (16) are connected and fixed by screws through the third mounting holes (19), and the second connecting plate (18) and the bridge frame are connected and fixed by screws through the third mounting holes (19).