CN212924102U

CN212924102U - Lifting appliance for rotary kiln sealing ring

Info

Publication number: CN212924102U
Application number: CN202021730972.3U
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: 2021-04-09
Anticipated expiration: 2030-08-19

Abstract

The application provides a hoist for rotary kiln sealing ring includes: the hanging strip comprises a supporting rod and a hanging strip, wherein a hanging ring is arranged above the supporting rod, and the cross section of the hanging strip is of a flat structure. The fixture blocks are provided with the hanging strips in a sliding mode, at least two fixture blocks are arranged on the upper portion of the rotary kiln sealing ring, and the rest fixture blocks are uniformly distributed along the bottom of the rotary kiln sealing ring or towards the two sides of the bottom. The fixture block is provided with a stepped groove, the stepped groove is gradually widened from inside to outside, and the bottom surface of each step of the stepped groove is of an arc structure. And a limiting bolt penetrates through the side wall of the clamping block positioned at the upper part of the rotary kiln sealing ring. The hoisting device can be used for hoisting sealing rings with different diameters, can ensure even stress of the sealing rings and prevent the sealing rings from deforming.

Description

Lifting appliance for rotary kiln sealing ring

Technical Field

The utility model belongs to the technical field of the rotary kiln, especially, relate to a hoist for rotary kiln sealing ring.

Background

The rotary kiln is widely used in the fields of cement production, metallurgy and chemical industry and the like, the rotary kiln mainly comprises a barrel body, a kiln head and a kiln tail, sealing devices are arranged between the barrel body and the kiln head and between the barrel body and the kiln tail to prevent leakage, sealing rings of the sealing devices are generally installed on the outer side of the barrel body, the diameters of the rotary kiln range from dozens of centimeters to several meters according to different output, and the sealing rings are of annular structures and have small sections, so that when the rotary kiln with larger diameter is produced, along with the increase of radial size, the rigidity of the sealing rings can gradually decline and are easy to deform, especially when the rotary kiln is hoisted. Because the cylinder is a slender pipe when the sealing ring is installed, the sealing ring is generally horizontally placed for ensuring safety, and therefore the sealing ring needs to be vertically lifted.

Therefore, a set of lifting appliance capable of vertically lifting the sealing ring is necessary to be designed, the sealing ring is guaranteed not to deform, and meanwhile the lifting appliance can be used for lifting the sealing rings with different diameters.

SUMMERY OF THE UTILITY MODEL

For solving prior art not enough, the utility model provides a hoist for rotary kiln sealing ring can vertical hoist and mount the sealing ring to can guarantee that the sealing ring is indeformable, can also be used for the sealing ring of hoist and mount different diameters simultaneously.

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

a hanger for a rotary kiln seal ring, comprising: the hanging strip comprises a supporting rod and a hanging strip, wherein a hanging ring is arranged above the supporting rod, and the cross section of the hanging strip is of a flat structure.

The fixture blocks are provided with the hanging strips in a sliding mode, at least two fixture blocks are arranged on the upper portion of the rotary kiln sealing ring, and the rest fixture blocks are uniformly distributed along the bottom of the rotary kiln sealing ring or towards the two sides of the bottom.

The fixture block is provided with a stepped groove, the stepped groove is gradually widened from inside to outside, and the bottom surface of each step of the stepped groove is of an arc structure.

And a limiting bolt penetrates through the side wall of the clamping block positioned at the upper part of the rotary kiln sealing ring.

Further, the length of the strap can be adjusted.

Furthermore, an annular ring is arranged behind the clamping block, the hanging strip penetrates through the annular ring, at least one locking screw penetrates through the annular ring, and the locking screw is used for pressing the hanging strip.

Furthermore, the other clamping blocks are also provided with the limiting bolts except the clamping block positioned at the upper part of the rotary kiln sealing ring.

Furthermore, the number of the clamping blocks is two, two of the clamping blocks are positioned at the upper part of the rotary kiln sealing ring, one clamping block is positioned at the lowest point of the rotary kiln sealing ring, and the remaining two clamping blocks are arranged at two sides of the lowest point of the rotary kiln sealing ring.

Furthermore, the two clamping blocks positioned at the upper part of the rotary kiln sealing ring are both positioned at the positions of the tangent points of the hanging strips and the rotary kiln sealing ring.

The beneficial effects of the utility model reside in that:

1. the length of the hanging strip is adjusted according to the diameter of the sealing ring, and a proper number of clamping blocks are selected, so that the sealing ring with different diameters can be hoisted;

2. the position of the clamping block on the hanging strip can be adjusted, so that the acceptance point of the clamping block can be conveniently adjusted, the contact surface of the clamping block and the sealing ring is of an arc structure, the pressure direction applied to the sealing ring by the hanging strip faces to the normal line of the sealing ring, the uniform stress of the sealing ring can be ensured, and the deformation of the sealing ring can be prevented.

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 illustrates one embodiment of the present application;

fig. 2 shows a front view of the latch;

fig. 3 shows a rear view of the latch;

the labels in the figure are: 1-supporting rod, 2-hanging strip, 3-hanging ring, 4-clamping block, 41-step groove, 5-limiting bolt, 6-annular ring and 7-locking screw.

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 3, a hanger for a rotary kiln sealing ring comprises: the lifting device comprises a support rod 1 and a hanging strip 2, wherein a lifting ring 3 is arranged above the support rod 1 and used for connecting lifting equipment.

The cross section of the hanging strip 2 is of a flat structure and is connected to the two ends of the supporting rod 1, and the two ends of the hanging strip 2 connected with the supporting rod 1 can be adjusted in length.

The fixture blocks 4 are provided with hanging strips 2 in a sliding manner, at least 3 fixture blocks 4 are arranged, two fixture blocks are positioned at the upper part of the sealing ring, and the rest fixture blocks 4 are uniformly distributed along the bottom of the sealing ring or towards the two sides of the bottom;

more specifically, the rear of the clamping block 4 is provided with an annular ring 6, the hanging strip 2 penetrates through the annular ring 6, the annular ring 6 is provided with at least one locking screw 7 in a penetrating manner, two locking screws 7 are arranged in the embodiment, the locking screws 7 are used for pressing the hanging strip 2, and the hanging strip 2 is pressed through the locking screws 7, so that the clamping block 4 is fixed on the hanging strip 2. The locking screw 7 is connected to the annular ring 6 by means of a nut cooperating therewith, which is mounted on the outer surface of the annular ring 6 by means of welding.

The fixture block 4 is provided with a stepped groove 41, the sealing ring is clamped in the stepped groove 42, the stepped groove 41 is gradually widened from inside to outside, the sealing rings with different thicknesses can be clamped in the steps with different widths, the bottom surface of each step of the stepped groove 41 is in an arc structure, and the pressure of the fixture block 4 can always face the center of a circle along the normal direction of the sealing ring through the contact of the arc surface and the outer wall of the sealing ring, so that the stability of the ring structure is ensured, and the deformation of the ring structure is prevented;

specifically, a limit bolt 5 penetrates through the side wall of the clamping block 4 positioned on the upper part of the sealing ring. At least one side of the sealing ring is provided with a packing groove, the packing groove is used for packing a sealing material, and a clamping block 4 positioned on the upper part of the sealing ring drops off when the sealing ring is lifted, so that a special limiting bolt 5 is designed, the front end of the limiting bolt 5 is embedded in the packing groove, and the clamping block 4 firmly clamps the sealing ring. In order to prevent the threads at the front end of the limiting bolt 5 from damaging the inner surface of the packing groove, the front end of the limiting bolt 5 is polished into a smooth cylindrical structure.

Preferably, in order to further stabilize the sealing ring, the other clamping blocks 4 are also provided with the limiting bolts 5 except the clamping block 4 positioned at the upper part of the sealing ring, and the limiting bolts 5 are all clamped in the packing grooves of the sealing ring.

More specifically, as shown in fig. 1, the number of the latch 4 in this embodiment is 5, two of which are located at the upper portion of the seal ring, one of which is located at the lowest point of the seal ring, and the remaining two of which are located at both sides of the lowest point of the seal ring.

Preferably, two clamping blocks 4 positioned at the upper part of the sealing ring are both positioned at the positions of the tangency points of the hanging strip 2 and the sealing ring so as to reduce the pulling force of the limiting bolt 5 on the sealing ring along the hair line direction.

The specific implementation process comprises the following steps: the length of the hanging strip 2 is adjusted according to the diameter of the sealing ring, and the length adjusting mode of the hanging strip 2 is conventional and common in daily life, so that the length adjusting mode is not repeated in the application. Make suspender 2 wrap up the sealing ring completely, then install fixture block 4 of appropriate quantity, the fixture block 4 is more the centre gripping more firm, hoist also safer, fixture block 4 can be odd number also can be the even number. The fixture blocks 4 are uniformly arranged on the hanging strips 2 and are fixed by the locking screws 7; then the clamping block 4 is clamped into the sealing ring, and the front end of the limiting bolt 5 is embedded into the packing groove. After the steps are completed, the hoisting operation can be started. After the sealing ring is connected and fixed with the cylinder body, the limiting bolt 5 is firstly loosened, and then the fixture block 4 is taken out.

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 hanger for a rotary kiln seal ring, comprising: the hanging ring is characterized in that the section of the hanging strip (2) is of a flat structure;

the hanging strips (2) are arranged on the fixture blocks (4) in a sliding mode, at least 3 fixture blocks (4) are arranged, two fixture blocks are located on the upper portion of the sealing ring, and the rest fixture blocks (4) are uniformly distributed along the bottom of the sealing ring or towards two sides of the bottom;

the fixture block (4) is provided with a stepped groove (41), the stepped groove (41) is gradually widened from inside to outside, and the bottom surface of each step of the stepped groove (41) is in an arc structure;

and a limiting bolt (5) penetrates through the side wall of the clamping block (4) positioned at the upper part of the sealing ring.

2. A spreader for a rotary kiln seal ring according to claim 1, wherein the length of the sling (2) is adjustable.

3. The lifting appliance for the rotary kiln sealing ring according to claim 1, wherein an annular ring (6) is arranged behind the clamping block (4), the lifting belt (2) penetrates through the annular ring (6), at least one locking screw (7) penetrates through the annular ring (6), and the locking screw (7) is used for pressing the lifting belt (2).

4. The sling for a rotary kiln sealing ring as recited in claim 1, wherein the limiting bolts (5) are provided on the clamping blocks (4) except for the clamping blocks (4) positioned on the upper part of the sealing ring.

5. The sling for the rotary kiln sealing ring as recited in claim 1, wherein the clamping blocks (4) are provided with 5 clamping blocks, two clamping blocks are positioned at the upper part of the sealing ring, one clamping block is positioned at the lowest point of the sealing ring, and the other clamping blocks are positioned at two sides of the lowest point of the sealing ring.

6. The lifting appliance for the rotary kiln sealing ring according to claim 1, wherein the two fixture blocks (4) positioned at the upper part of the sealing ring are positioned at the tangent points of the lifting belt (2) and the sealing ring.