CN217271880U - Shaft head multilayer plugging device - Google Patents

Abstract

The utility model discloses a shaft head multilayer plugging device, which comprises a first flange plate, two second semi-circular flange plates and two third semi-circular flange plates which are sequentially arranged on one side of a material tank, wherein the first flange plate is sleeved on a rotating shaft, the two second semi-circular flange plates and the two third semi-circular flange plates are respectively enclosed on the outer peripheral surface of the rotating shaft, the outer peripheral surface of the third semi-circular flange plate is provided with a side opening, the side opening is penetrated through the locking member and penetrates through the first flange plate and the second semi-circular flange plate to tightly press the third semi-circular flange, the side opening is arranged on the outer peripheral surface of the third semi-circular flange plate, when the third semi-circular flange plate needs to be installed or disassembled and replaced, the locking member can be moved out from the side opening along the radial direction of the rotating shaft after being disassembled, under the space condition that the direct disassembly and assembly are not available originally, the third semi-circular flange plate is added on the premise of ensuring the installation reliability, the plugging wind leakage phenomenon is blocked, the continuous normal operation of the equipment is maintained, and the frequency of the shutdown maintenance of the production line is reduced.

Description

Shaft head multilayer plugging device

Technical Field

The application relates to the technical field of blast furnace metallurgy, in particular to a shaft head multilayer plugging device.

Background

With the development of the modern blast furnace tapping technology, the tapping system of the blast furnace is continuously optimized and perfected, the pressure in the blast furnace is continuously increased, the tapping quantity of a tapping field is increased, the material consumption in the blast furnace is increased, the burden is increased on a charging bucket at the top of the blast furnace, the rotation frequency of an upper sealing valve, a lower sealing valve and a throttle valve is increased, the shaft head sealing filler is abraded and bleeds, the shaft head sealing filler is obstructed by adopting daily wind leaking treatment methods such as a twisted asbestos rope and the like because the shaft head sealing filler is a rotating part, the online treatment is usually carried out by adopting a method of adding dry oil to the sealing filler part and fastening a flange plate bolt, the sealing filler can be replaced only by reducing the wind of the blast furnace when the leakage quantity exceeds the standard, if the shaft head sealing filler bleeds seriously, the blast furnace can be stopped and then replaced by the sealing filler, and the normal production of the blast furnace is seriously influenced. In order to ensure the online normal operation of the equipment, the sealing performance of the equipment is ensured by adding a secondary flange at the flange pressing wind leakage position of the shaft head by utilizing the feeding intermission time of the charging bucket.

Along with using continuously, the wind appears leaking in the secondary flange, and the pressure reduces in the material jar, and the pit that is washed out by the air current appears in the pivot lateral wall, because the area that the pivot was washed out is great, the time of polishing after the repair welding is longer, the time that utilizes little shut down to trade the wind gap still can't satisfy the activity duration, and the interval of ring flange and bearing frame is limited moreover, and the thickness of every semi-circular ring flange can't reduce, in limited space, can't carry out the installation of ring flange superpose back extension screw rod, can only stop the production line and maintain.

SUMMERY OF THE UTILITY MODEL

To the defect that exists among the prior art, this application provides a spindle nose multilayer plugging device to shut down the maintenance and influence production efficiency's problem after the windage appears in the pressure flange among the solution prior art.

The above object of the present invention is achieved by the following technical solutions:

the utility model provides a spindle nose multilayer plugging device, is applicable to the shutoff of the pivot of material jar, and it includes: a retaining member for installing first ring flange, two second semicircle flange and two third semicircle flange on material jar axial one side in proper order to and be used for being connected with the material jar, wherein:

the first flange plate is used for being sleeved on the rotating shaft, the two second semi-circular flange plates and the two third semi-circular flange plates are respectively enclosed on the outer peripheral surface of the rotating shaft, and a plurality of side openings are formed in the outer peripheral surface of each third semi-circular flange plate;

the retaining member is provided with a plurality ofly, and is a plurality of the retaining member is followed the axial of pivot is passed a plurality ofly respectively the side opening, and run through first ring flange and second semicircle flange dish, in order to compress tightly third semicircle flange dish.

Further, when the two second semicircular flanges are enclosed on the rotating shaft, a first contact surface is arranged between the two second semicircular flanges, when the two third semicircular flanges are enclosed on the rotating shaft, a second contact surface is arranged between the two third semicircular flanges, and an intersection point is formed between two straight lines of the first contact surface and the second contact surface projected on the end surface of the first flange.

Further, the first contact surface is perpendicular to two straight lines of the projection of the second contact surface on the end face of the first flange plate.

Furthermore, a compression ring is arranged on one side, facing the charging bucket, of the first flange plate, and the compression ring is used for extending into a packing groove of the charging bucket.

Further, a sealing filler is arranged between the compression ring and the charging bucket.

Furthermore, a first groove is formed in one side, close to the first flange plate, of the second semicircular flange plate, and a sealing ring is arranged in the first groove.

Further, the thickness of the sealing ring is larger than the depth of the first groove.

Furthermore, a second groove is formed in one side, close to the second semicircular flange, of the third semicircular flange, and a sealing ring is arranged in the second groove.

Further, the thickness of the sealing ring is larger than the depth of the second groove.

Further, the sealing ring is a mountain-shaped sealing ring.

Compared with the prior art, the utility model has the advantages of:

the utility model discloses an install first ring flange, two second semicircle flange dishes, two third semicircle flange dishes on material jar one side in proper order, first ring flange cover is established in the pivot, two second semicircle flange dishes and two third semicircle flange dishes enclose respectively on the outer peripheral face of pivot, open the side opening on the outer peripheral face of third semicircle flange dish, pass the side opening through the retaining member, and run through first ring flange and second semicircle flange dish, in order to compress tightly third semicircle flange, the side opening is opened on the outer peripheral face of third semicircle flange dish, when needing to install or dismantle and change third semicircle flange dish, the retaining member can move out along the radial of pivot in the side opening after dismantling, under the space condition that originally does not possess direct dismouting, under the prerequisite of guaranteeing the installation reliability, increase third semicircle flange dish, shutoff run-out wind phenomenon, maintain the continuation normal operating of equipment, the frequency of the shutdown maintenance of the production line is reduced.

Drawings

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

FIG. 1 is a partial cross-sectional view of an assembled multi-layer leakage blocking device for a shaft head provided by an embodiment of the application;

FIG. 2 is a side view of a second semi-circular flange provided in accordance with an embodiment of the present application;

FIG. 3 is a side view of a third semi-circular flange provided in accordance with an embodiment of the present application;

fig. 4 is a schematic structural diagram of a third semicircular flange provided in an embodiment of the present application.

In the figure: 1. a first flange plate; 11. a compression ring; 2. a second semi-circular flange; 21. a first contact surface; 22. a first groove; 3. a third semi-circular flange; 31. side opening; 32. a second contact surface; 33. a second groove; 4. a locking member; 51. sealing the filler; 52. a seal ring; 6. a charging bucket; 7. a rotating shaft.

Detailed Description

The present invention will be further explained with reference to the drawings and specific embodiments. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. Specific structural and functional details disclosed herein are merely illustrative of example embodiments of the invention. The present invention may, however, be embodied in many alternate forms and should not be construed as limited to the embodiments set forth herein.

As shown in fig. 1-4, a spindle nose multilayer plugging device, including being used for installing in proper order at first ring flange 1, two second semicircle ring flanges 2 and two third semicircle ring flanges 3 of material jar 6 one side to and be used for the retaining member 4 of being connected with material jar 6, wherein:

the first flange plate 1 is sleeved on the rotating shaft 7, the two second semi-circular flange plates 2 and the two third semi-circular flange plates 3 are respectively enclosed on the outer peripheral surface of the rotating shaft 7, specifically, the two second semi-circular flange plates 2 are enclosed to form a circular flange plate, and the two third semi-circular flange plates 3 are also enclosed to form a circular flange plate.

And a side opening 31 is formed in the peripheral surface of the third semicircular flange 3.

The locking piece 4 penetrates through the side opening 31 and penetrates through the first flange plate 1 and the second semicircular flange plate 2 to press the third semicircular flange plate 3 tightly.

This retaining member 4 can be the screw rod, and screw rod one end is connected with material jar 6, and first ring flange 1, second semicircle flange 2 and third semicircle flange have been run through at the screw rod middle part, and the screw rod other end compresses tightly on third semicircle flange 3, forms the locking.

The working principle of the embodiment is as follows: by sequentially mounting a first flange plate 1, two second semicircular flange plates 2 and two third semicircular flange plates 3 on one side of a charging bucket 6, wherein the first flange plate 1 is sleeved on a rotating shaft 7, the two second semicircular flange plates 2 and the two third semicircular flange plates 3 are respectively enclosed on the outer peripheral surface of the rotating shaft 7, the outer peripheral surface of the third semicircular flange plate 3 is provided with a side opening 31, a locking member 4 penetrates through the side opening 31 and penetrates through the first flange plate 1 and the second semicircular flange plates 2 to tightly press the third semicircular flange, the side opening 31 is arranged on the outer peripheral surface of the third semicircular flange plate 3, when the third semicircular flange plate 3 needs to be mounted or dismounted and replaced, the locking member 4 can be moved out from the side opening 31 along the radial direction of the rotating shaft 7 after being dismounted, under the original space condition without direct dismounting, on the premise of ensuring the mounting reliability, the third semicircular flange plate 3 is added, the phenomenon of wind leakage is blocked, the continuous normal operation of equipment is maintained, and the frequency of production line shutdown maintenance is reduced.

Further, on the basis of the above embodiment, when the two second semicircular flanges 2 are enclosed on the rotating shaft 7, a first contact surface 21 is provided between the two second semicircular flanges 2, when the two third semicircular flanges 3 are enclosed on the rotating shaft 7, a second contact surface 32 is provided between the two third semicircular flanges 3, and two straight lines projected by the first contact surface 21 and the second contact surface 32 on the end surface of the first flange 1 have an intersection point.

Specifically, two second semicircular flanges 2 surround to form a circular flange, and two third semicircular flanges 3 also surround to form a circular flange, that is, the plane where the two second semicircular flanges 2 contact and the plane where the two third semicircular flanges 3 contact are not in the same plane.

After the two second semicircular flange plates 2 are enclosed to form a circular flange plate, when the locking part 4 is loosened, the two second semicircular flange plates 2 are separated easily at the contact plane of the two second semicircular flange plates 2.

Similarly, after the two third semicircular flange plates 3 are enclosed to form a circular flange plate, when the locking part 4 is loosened, the two third semicircular flange plates 3 are separated more easily at the plane where the two third semicircular flange plates 3 are contacted.

The plane that two second semicircle flange dishes 2 contacted and the plane that two third semicircle flange dishes 3 contacted are not in same plane, can avoid two second semicircle flange dishes 2 and two third semicircle flange dishes 3 to appear separating in same position, improve stability.

Further, in the above embodiment, the first contact surface 21 is perpendicular to two straight lines of the second contact surface 32 projected on the end surface of the first flange 1.

When the two third semicircular flanges 3 have a separation tendency, the two second semicircular flanges 2 form bearings in different directions, and simultaneously, when the two second semicircular flanges 2 have a separation tendency, the two third semicircular flanges 3 form bearings in different directions, so that the stability of the two second semicircular flanges 2 and the two third semicircular flanges 3 after installation is further improved.

Further, on the basis of the above embodiment, a compression ring 11 is arranged on one side of the first flange plate 1 facing the charging bucket 6, and the compression ring 11 is used for extending into a filling groove of the charging bucket 6.

Further, on the basis of the above embodiment, a sealing filler 51 is arranged between the compression ring 11 and the charging bucket 6.

The compression ring 11 compresses the sealing packing 51 under the action of the locking part 4, so that the sealing performance between the first flange plate 1 and the charging bucket 6 is improved.

Further, on the basis of the above embodiment, a first groove 22 is formed in one side of the second semicircular flange 2 close to the first flange 1, and a sealing ring 52 is arranged in the first groove 22, so that the sealing performance between the second semicircular flange and the rotating shaft 7 is improved.

Further, on the basis of the above embodiment, the thickness of the sealing ring 52 is larger than the depth of the first groove 22.

Under the action of the locking member 4, the sealing ring 52 with larger thickness is extruded, and the sealing performance between the second semicircular flange plate 2 and the rotating shaft 7 is improved.

Further, in the above embodiment, a second groove 33 is provided on one side of the third semicircular flange 3 close to the second semicircular flange 2, and a sealing ring 52 is provided in the second groove 33.

Further, on the basis of the above embodiment, the thickness of the sealing ring 52 is larger than the depth of the second groove 33.

Under the action of the locking piece 4, the sealing ring 52 with larger thickness is extruded, and the sealing performance between the third semicircular flange 3 and the rotating shaft 7 is improved.

Further, on the basis of the above embodiment, the sealing ring 52 is a chevron-shaped sealing ring, so as to ensure that the sealing ring 52 has a better positioning effect.

It should be understood that the terms first, second, etc. are used merely for distinguishing between descriptions and are not intended to indicate or imply relative importance. Although the terms first, second, etc. may be used herein to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another. For example, a first element could be termed a second element, and, similarly, a second element could be termed a first element, without departing from the scope of example embodiments of the present invention.

It should be understood that the term "and/or" herein is only one kind of association relationship describing the association object, and means that there may be three kinds of relationships, for example, a and/or B, and may mean: a exists alone, B exists alone, and A and B exist at the same time, and the term "/and" is used herein to describe another association object relationship, which means that two relationships may exist, for example, A/and B, may mean: a alone, and both a and B alone, and further, the character "/" in this document generally means that the former and latter associated objects are in an "or" relationship.

It is to be understood that in the description of the present invention, the terms "upper", "vertical", "inner", "outer", and the like, refer to an orientation or positional relationship that is conventionally used to place the disclosed product in use, or that is conventionally understood by those skilled in the art, and are used merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," and "connected" are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments of the invention. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises," "comprising," "includes," and/or "including," when used herein, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, numbers, steps, operations, elements, components, and/or groups thereof.

In the following description, specific details are provided to facilitate a thorough understanding of example embodiments. However, it will be understood by those of ordinary skill in the art that the example embodiments may be practiced without these specific details. In other instances, well-known processes, structures and techniques may be shown without unnecessary detail in order to avoid obscuring example embodiments.

The above description is merely exemplary of the present application and is presented to enable those skilled in the art to understand and practice the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (10)

1. The utility model provides a spindle nose multilayer plugging device, is applicable to the shutoff of the pivot of material jar, its characterized in that, it includes: a retaining member for installing first ring flange, two second semicircle flange and two third semicircle flange on material jar axial one side in proper order to and be used for being connected with the material jar, wherein:

the first flange plate is used for being sleeved on the rotating shaft, the two second semicircular flange plates and the two third semicircular flange plates are respectively enclosed on the outer peripheral surface of the rotating shaft, and a plurality of side openings are formed in the outer peripheral surface of each third semicircular flange plate;

the retaining member is provided with a plurality ofly, and is a plurality of the retaining member is followed the axial of pivot is passed a plurality ofly respectively the side opening, and run through first ring flange and second semicircle flange dish, in order to compress tightly third semicircle flange dish.

2. The multi-layer leak stopping device of a shaft head as defined in claim 1, is characterized in that: when two second semi-circular flange dish encloses to close in the pivot, two have first contact surface between the second semi-circular flange dish, when two third semi-circular flange dish encloses to close in the pivot, two have the second contact surface between the third semi-circular flange dish, first contact surface with the second contact surface is in two straight lines of first ring flange terminal surface projection have an intersect.

3. The multi-layer leak stopping device of a shaft head as defined in claim 2, characterized in that: the first contact surface is perpendicular to two straight lines of the projection of the second contact surface on the end face of the first flange plate.

4. The multi-layer leak stopping device of a shaft head as defined in claim 1, is characterized in that: the first flange plate faces one side of the charging bucket, a compression ring is arranged on one side of the charging bucket, and the compression ring is used for extending into a filler groove of the charging bucket.

5. The multi-layer leak stopping device of a shaft head as defined in claim 4, characterized in that: and a sealing filler is arranged between the compression ring and the charging bucket.

6. The multi-layer leak stopping device of a shaft head as defined in claim 1, is characterized in that: one side of the second semicircular flange plate, which is close to the first flange plate, is provided with a first groove, and a sealing ring is arranged in the first groove.

7. The multi-layer leak stopping device of a shaft head as defined in claim 6, characterized in that: the thickness of the sealing ring is larger than the depth of the first groove.

8. A multi-layer plugging device for a shaft head as defined in claim 1, wherein: and a second groove is formed in one side, close to the second semicircular flange, of the third semicircular flange, and a sealing ring is arranged in the second groove.

9. The multi-layer leak stopping device of a shaft head as recited in claim 8, characterized in that: the thickness of the sealing ring is larger than the depth of the second groove.

10. The multi-layer leakage stopping device of a shaft head as claimed in claim 6 or 8, wherein: the sealing ring is a mountain-shaped sealing ring.

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