CN212720805U

CN212720805U - Rotary kiln sealing device's positioning mechanism

Info

Publication number: CN212720805U
Application number: CN202021730983.1U
Authority: CN
Inventors: 郭先富
Original assignee: Sichuan Lyuye Technology Co ltd
Current assignee: Sichuan Lyuye Technology Co ltd
Priority date: 2020-08-19
Filing date: 2020-08-19
Publication date: 2021-03-16
Anticipated expiration: 2030-08-19

Abstract

A positioning mechanism of a rotary kiln sealing device comprises: axial roller set, radial roller set a and radial roller set b. The axial roller of the axial roller group is arranged on the outer ring, the axial roller group is provided with a pair of rollers a, and the rollers a are arranged on the outer peripheral side of the inner ring in a rolling manner; the radial roller set a is arranged on the end surface of the outer ring and comprises a roller b, the roller b is in contact with one end surface of the inner ring, and the axis of the roller b is consistent with the normal direction of the outer ring; the radial roller set b is arranged on the U-shaped plate and comprises a roller c, the roller c is contacted with the other end face of the inner ring, and the axis of the roller c is consistent with the normal direction of the outer ring; the axial roller set and the radial roller set a are uniformly arranged at a plurality of positions at intervals along the circumference of the outer ring; the roller b and the roller c are adjusted along the axial direction of the outer ring, and the roller a is adjusted along the normal direction of the outer ring. The sealing effect of the rotary kiln sealing device is effectively improved, the service life is long, and the adjustment is convenient.

Description

Rotary kiln sealing device's positioning mechanism

Technical Field

The utility model belongs to the technical field of the rotary kiln, especially, relate to a rotary kiln sealing device's positioning mechanism.

Background

The rotary kiln is a necessary device for cement production, and mainly comprises a rotary kiln cylinder, a kiln head and a kiln tail, wherein the kiln head and the kiln tail are usually in a fixed installation state, and the rotary kiln cylinder can rotate relative to the kiln head and the kiln tail, so that sealing devices are arranged between the rotary kiln cylinder and the kiln head as well as between the rotary kiln cylinder and the kiln tail. The sealing device is generally composed of an outer ring connected to the kiln head or the kiln tail, and an inner ring installed at both ends of the rotary kiln cylinder and sealed with a sealing material disposed between the outer ring and the inner ring.

Because the rotary kiln cylinder and the kiln head and the kiln tail are not fixedly connected, the axes of the rotary kiln cylinder and the kiln head and the kiln tail are often deviated, so that the coaxiality of the outer ring and the inner ring of the sealing device is influenced, an included angle exists between the sealing surfaces of the outer ring and the inner ring of the sealing device, the pressure received by the sealing material is uneven, and the sealing effect is reduced finally.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides a rotary kiln sealing device's positioning mechanism makes sealing device's inner circle and outer lane guarantee coaxially, makes sealing device's inner circle and the sealed face of outer lane be in parallel state all the time, guarantees the even pressurized of sealing material to improve sealed effect.

In order to realize the purpose of the utility model, the following scheme is proposed:

a positioning mechanism of a rotary kiln sealing device comprises: axial roller set, radial roller set a and radial roller set b.

The axial roller group is arranged on the outer ring through a U-shaped plate and is provided with a pair of rollers a which are arranged on the outer peripheral side of the inner ring in a rolling manner;

the radial roller set a is arranged on the end face of the outer ring and comprises a roller b, the roller b is in contact with one end face of the inner ring, and the axis of the roller b is consistent with the normal direction of the outer ring;

the radial roller group b is arranged on the U-shaped plate and comprises a roller c, the roller c is in contact with the other end face of the inner ring, and the axis of the roller c is consistent with the normal direction of the outer ring;

a plurality of positions are uniformly arranged on the axial roller set and the radial roller set a along the circumference of the outer ring, and the axial roller set and the radial roller set a are arranged at intervals;

the positions of the roller a, the roller b and the roller c are adjustable, the roller b and the roller c are adjusted along the axis direction of the outer ring, and the roller a is adjusted along the normal direction of the outer ring.

Furthermore, rectangular holes are formed in the outer ring at positions corresponding to the radial roller group b, and the rollers b penetrate through the rectangular holes to be in contact with the inner ring.

Furthermore, the adjusting modes of the roller a, the roller b and the roller c are the same, sliding blocks are arranged at the connecting ends of rotating shafts of the roller a, the roller b and the roller c, the sliding blocks are connected with screw rods, and the screw rods are locked by a position adjusting agent through double nuts.

Furthermore, the top end of the screw is provided with a hexagonal hole, and a hexagon socket head tool is used for providing directional torque for the double nuts when the double nuts are locked.

Furthermore, rectangular grooves are machined in the positions where the U-shaped plates are installed on the outer ring.

Further, the axial roller group and the radial roller group b are both connected to the outer ring through bolts, and the radial roller group b is mounted on the U-shaped plate through bolts.

The beneficial effects of the utility model reside in that:

1. the sealing surfaces of the inner ring and the outer ring are kept parallel through the radial roller set a and the radial roller set b, pressure is applied to the sealing material, and the inner ring and the outer ring are kept coaxial by utilizing the axial roller set shaft, so that the sealing effect of the sealing device is effectively improved;

2. the service life is long, the axial roller set, the radial roller set a and the radial roller set b are in contact with the inner ring through the rollers, the plane friction is avoided, the abrasion among parts is reduced, and the service life is prolonged;

3. the regulation of being convenient for, the gyro wheel of axial roller train, radial roller train a and radial roller train b all is the structural design who adopts the regulation, utilizes screw rod and two nuts to adjust and lock, and the gyro wheel through adjusting axial roller train can change the position of inner circle for the outer lane axis, can change the plane degree between the sealed face of inner circle and outer lane through the gyro wheel of adjusting radial roller train a and radial roller train b, and it is very convenient in initial stage installation and later maintenance.

Drawings

The drawings described herein are for illustrative purposes only of selected embodiments and not all possible implementations, and are not intended to limit the scope of the present disclosure.

FIG. 1 shows the present application in the installed position on the outer race;

FIG. 2 shows a block diagram of the inner and outer rings;

FIG. 3 illustrates a side view of one embodiment of the present application;

FIG. 4 illustrates another side view of an embodiment of the present application;

FIG. 5 shows the configuration of radial roller set a;

FIG. 6 is a view showing the axial roller set and the radial roller set b in relation to the inner race;

fig. 7 shows the structure and connection relationship of the axial roller group and the radial roller group b.

The labels in the figure are: 1-slide block, 2-screw rod, 3-double nut, 10-axial roller group, 11-U-shaped plate, 12-roller a, 20-radial roller group a, 21-roller b, 30-radial roller group b, 31-roller c, 50-outer ring, 51-rectangular hole, 52-rectangular groove and 60-inner ring.

Detailed Description

To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings, but the described embodiments of the present invention are some embodiments of the present invention, not all embodiments.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the product of the present invention is usually placed when in use, and this is only for the convenience of description of the present invention and simplification of the description. The terms "first," "second," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. The terms "parallel", "perpendicular", etc. do not require that the components be absolutely parallel or perpendicular, but may be slightly inclined.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either directly or indirectly through intervening media, or through both elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

Examples

As shown in fig. 1 to 7, a positioning mechanism for a sealing device of a rotary kiln includes: axial roller set 10, radial roller set a20, and radial roller set b 30.

Specifically, the axial roller group 10 is installed in the outer ring 50 through the U-shaped plate 11, the rectangular groove 52 is processed at the position where the U-shaped plate 11 is installed on the outer ring 50, the installation position of the U-shaped plate 11 can be accurately determined, the installation is convenient, meanwhile, the U-shaped plate 11 can be prevented from moving, the axial roller group 10 is provided with a pair of rollers a12, and the rollers a12 are all arranged on the outer peripheral side of the inner ring 60 in a rolling manner.

Specifically, the radial roller set a20 is mounted on an end face of the outer ring 50, the radial roller set a20 includes a roller b21, rectangular holes 51 are formed in positions of the outer ring 50 corresponding to the radial roller set b30, the roller b21 penetrates through the rectangular holes 51 to be in contact with one end face of the inner ring 60, and an axis of the roller b21 is consistent with a normal direction of the outer ring 50.

Specifically, a radial roller group b30 is mounted on the U-shaped plate 11, the radial roller group b30 includes a roller c31, the roller c31 contacts with the other end surface of the inner ring 60, and the axis of the roller c31 is aligned with the normal direction of the outer ring 50.

More specifically, the axial roller set 10 and the radial roller set a20 are uniformly arranged at a plurality of positions along the circumference of the outer ring 50, and the axial roller set 10 and the radial roller set a20 are spaced apart from each other.

Preferably, the positions of the roller a12, the roller b21 and the roller c31 are adjustable, the positions of the roller b21 and the roller c31 are adjustable along the axial direction of the outer ring 50, and the positions of the roller a12 are adjustable along the normal direction of the outer ring 50.

More specifically, as shown in fig. 5 and 7, the roller a12, the roller b21 and the roller c31 are adjusted in the same manner, two ends of the rotating shaft of the roller a12, the roller b21 and the roller c31 are respectively provided with a sliding block 1, the sliding blocks 1 are connected with a screw 2, the bolt 2 passes through a bracket for mounting each roller, the screw 2 is provided with a double nut 3 on the outer side of the bracket, and the double nut 3 is used for locking the position adjusting agent.

Preferably, the top end of the screw rod 2 is provided with a hexagonal hole, and an inner hexagonal tool is used for providing reverse torque for the double nuts 3 during locking. The connection of the screw rod 2 and the sliding block 1 is prevented from being damaged.

Preferably, for the convenience of installation and later replacement of the positioning mechanism, the axial roller set 10 and the radial roller set b30 are both bolted to the outer ring 50, and the radial roller set b30 is bolted to the U-shaped plate 11.

The specific implementation process comprises the following steps: the radial roller set a20 and the axial roller set 10 are installed on the outer ring 50, then the inner ring 60 is connected with the inner ring 50, and the roller a12 of the axial roller set 10 is adjusted outwards along the normal of the outer ring 50 before the inner ring 60 is installed, so that the inner ring 60 has enough space to be installed. Adjusting the roller b1 to enable the roller b21 to be in contact with the inner end face of the inner ring 60, and the end faces, namely the sealing faces, of the medical history inner ring 60 and the outer ring 50 are parallel to each other; then, the rollers a12 are adjusted to enable all the rollers a12 to be in contact with the outer peripheral surface of the inner ring 60, so that the inner ring 60 is coaxial with the outer ring 50; locking roller a12 and roller b 21. Each U-shaped plate 11 is provided with a radial roller set b30, and a roller c31 is adjusted to press the roller c against the outer end surface of the inner ring 60, and the parallelism of the sealing surfaces of the inner ring 60 and the outer ring 50 is checked.

The foregoing is only a preferred embodiment of the invention and is not intended to be the only or limiting embodiment of the invention. It should be understood by those skilled in the art that various changes and equivalent substitutions made herein may be made without departing from the scope of the invention as defined by the appended claims.

Claims

1. A positioning mechanism of a rotary kiln sealing device is characterized by comprising:

the axial roller group (10), the axial roller group (10) is installed on the outer ring (50) through a U-shaped plate (11), the axial roller group (10) is provided with a pair of rollers a (12), and the rollers a (12) are all arranged on the outer periphery side of the inner ring (60) in a rolling mode;

a radial roller group a (20), wherein the radial roller group a (20) is mounted on the end surface of the outer ring (50), the radial roller group a (20) comprises a roller b (21), the roller b (21) is in contact with one end surface of the inner ring (60), and the axis of the roller b (21) is consistent with the normal direction of the outer ring (50);

a radial roller group b (30), wherein the radial roller group b (30) is mounted on the U-shaped plate (11), the radial roller group b (30) comprises a roller c (31), the roller c (31) is contacted with the other end surface of the inner ring (60), and the axis of the roller c (31) is consistent with the normal direction of the outer ring (50);

a plurality of positions are uniformly arranged on the axial roller set (10) and the radial roller set a (20) along the circumference of the outer ring (50), and the axial roller set (10) and the radial roller set a (20) are arranged at intervals;

the positions of the roller a (12), the roller b (21) and the roller c (31) are adjustable, the roller b (21) and the roller c (31) are adjusted along the axial direction of the outer ring (50), and the roller a (12) is adjusted along the normal direction of the outer ring (50).

2. The positioning mechanism of the rotary kiln sealing device as claimed in claim 1, wherein the outer ring (50) is provided with rectangular holes (51) at positions corresponding to the radial roller sets b (30), and the rollers b (21) pass through the rectangular holes (51) to contact the inner ring (60).

3. The positioning mechanism of the rotary kiln sealing device according to claim 1, wherein the roller a (12), the roller b (21) and the roller c (31) are adjusted in the same manner, sliding blocks (1) are arranged at two ends of a rotating shaft of the roller a (12), the roller b (21) and the roller c (31), the sliding blocks (1) are connected with a screw (2), and the screw (2) is locked by a position adjusting agent through double nuts (3).

4. The positioning mechanism of the rotary kiln sealing device as claimed in claim 3, characterized in that the top end of the screw rod (2) is provided with a hexagonal hole, and an inner hexagonal tool is used for providing reverse torque for the double nuts (3) during locking.

5. The positioning mechanism of the rotary kiln sealing device as claimed in claim 1, wherein the outer ring (50) is provided with a rectangular groove (52) at the position where the U-shaped plate (11) is installed.

6. The positioning mechanism of the rotary kiln sealing device as claimed in claim 1, wherein the axial roller set (10) and the radial roller set b (30) are both connected to the outer ring (50) by bolts, and the radial roller set b (30) is mounted on the U-shaped plate (11) by bolts.