Vacuum tank sealing ring protection device

By setting a drive mechanism in the circumferential direction of the vacuum tank to drive the sealing ring protection plate assembly and cover the sealing ring, the problem of steel slag burning the sealing ring when the vacuum tank cover is lifted is solved, thus achieving protection of the sealing ring and reducing maintenance.

CN223594959UActive Publication Date: 2025-11-25CISDI ENGINEERING CO LTD
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Patent Information

Application Number
CN202520314898.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2025-11-25
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

In a vacuum refining furnace, the slag on the splash guard can easily burn the sealing ring when the vacuum tank lid is lifted, leading to damage and frequent replacement of the sealing ring.

Method used

A vacuum tank sealing ring protection device is designed. By setting a driving mechanism in the circumferential direction of the vacuum tank, the sealing ring protection plate assembly is driven to move radially to cover the sealing ring and prevent steel slag from falling off.

Benefits of technology

It effectively protects the sealing ring, reduces the frequency of sealing ring maintenance and replacement, and extends its service life.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223594959U_ABST
Patent Text Reader

Abstract

The utility model discloses a vacuum tank sealing ring protection device which comprises a base installed in the circumferential direction of a vacuum tank, a driving mechanism arranged on the base, a supporting frame mechanism installed on the base and a sealing ring protection plate assembly installed on the supporting frame mechanism. The driving mechanism drives the supporting frame mechanism to be matched with the sealing ring protection plate assembly to move so that the sealing ring can be covered and protected. According to the technical scheme, the vacuum tank body sealing ring protection device is arranged in the circumferential direction of the vacuum tank body, so that the driving mechanism drives the sealing ring protection plate assembly to move in the radial direction of the vacuum tank body so as to cover the sealing ring, and the situation that when a splash-proof cover above a steel ladle is lifted and walks, the splash-proof cover is damaged is avoided. Steel slag on the splash-proof cover falls onto the sealing ring to burn the sealing ring, so that the sealing ring is effectively protected, and maintenance and replacement of the sealing ring are reduced.
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Description

TECHNICAL FIELD

[0001] The utility model relates to metallurgical technique field, concretely relates to a vacuum tank body sealing ring protection device. BACKGROUND

[0002] Vacuum refining furnace is a kind of equipment using vacuum environment to refine metal, and is widely applied to the purification and refining of steel, non-ferrous metal and other metal materials.

[0003] The vacuum refining furnace used at present generally has VOD furnace and VD furnace, the vacuum tank body and the vacuum tank cover in VOD / VD furnace are guaranteed the sealing of vacuum chamber by sealing ring, the splash cover is arranged in the vacuum tank cover and is arranged above the ladle, to avoid the heat radiation to the vacuum tank cover. When the vacuum treatment ends, the vacuum tank cover is lifted together with the splash cover and is walked to other work station, because the temperature of the splash cover is very high and the steel slag shell will fall, the steel slag shell falling in the walking process of the splash cover can easily burn the sealing ring.

[0004] Therefore, to solve the above problems, a vacuum tank body sealing ring protection device is needed to solve the above problems. UTILITY MODEL CONTENTS

[0005] Therefore, the vacuum tank body sealing ring protection device of the technical scheme, by being arranged in the circumferential direction of the vacuum tank body, the sealing ring protection plate assembly driven by the driving mechanism can move along the radial direction of the vacuum tank body to cover the sealing ring, avoid the steel slag on the splash cover falling on the sealing ring when the splash cover above the ladle is lifted and walked, and burn the sealing ring, effectively protect the sealing ring and reduce the maintenance and replacement of the sealing ring.

[0006] A vacuum tank body sealing ring protection device, comprising a base installed in the circumferential direction of the vacuum tank body, a driving mechanism installed on the base, a support frame mechanism installed on the base, and a sealing ring protection plate assembly installed on the support frame mechanism; the driving mechanism drives the support frame mechanism to move in cooperation with the sealing ring protection plate assembly to cover and protect the sealing ring.

[0007] Further, the support frame mechanism includes a guide rail installed on the base, a roller support frame assembly cooperating with the guide rail, and a guide support frame installed on the roller support frame assembly, the sealing ring protection plate assembly is fixedly installed in cooperation with the guide support frame, and the roller support frame assembly drives the guide support frame and the sealing ring protection plate assembly to move synchronously to cover and protect the sealing ring.

[0008] Further, the roller support frame assembly includes a roller support frame, a support shaft installed on the roller support frame, and a roller installed on the support shaft, and the driving mechanism drives the support shaft to move and drives the roller to move along the length direction of the guide rail.

[0009] Further, the sealing ring protection plate assembly comprises an arc-shaped base installed on the guide support frame and a high-temperature-resistant protection layer installed on the arc-shaped base, and the arc-shaped base is fixedly installed on the upper end surface of the guide support frame.

[0010] Further, the driving mechanism comprises a driving bracket installed on the base and an electro-hydraulic push rod installed in cooperation with the driving bracket, and the output end of the electro-hydraulic push rod is used in cooperation with the support shaft and drives the support shaft to move along the length direction of the guide rail.

[0011] The vacuum tank sealing ring protection device has the advantages that the sealing ring protection plate assembly can move along the radial direction of the vacuum tank body under the driving of the driving mechanism, thereby covering the sealing ring, avoiding that the steel slag on the splash-proof cover falls on the sealing ring and burns the sealing ring when the splash-proof cover is lifted and walked, effectively protecting the sealing ring and reducing the maintenance and replacement of the sealing ring. BRIEF DESCRIPTION OF DRAWINGS

[0012] The utility model will be further described in connection with the drawings and embodiments:

[0013] Figure 1 It is the whole schematic view of the utility model;

[0014] Figure 2 It is the splash-proof cover schematic view in the vacuum tank cover of the utility model;

[0015] Figure 3 It is the sealing ring protection plate covering state schematic view of the utility model;

[0016] Figure 4 It is the sealing ring protection plate uncovers state schematic view of the utility model;

[0017] Figure 5 It is the first schematic view of the support frame mechanism of the utility model;

[0018] Figure 6 It is the second schematic view of the support frame mechanism of the utility model;

[0019] Figure 7 It is the sealing ring protection plate assembly schematic view of the utility model;

[0020] Figure 8 It is Figure 7 A enlarged schematic view. DETAILED DESCRIPTION

[0021] Figure 1 It is the overhead schematic view of the utility model; Figure 2 It is the splash-proof cover schematic view of the vacuum tank cover of the utility model; Figure 3 It is the sealing ring protection plate covering state schematic view of the utility model;Figure 4 This is a schematic diagram of the sealing ring protection plate of this utility model in an uncovered state; Figure 5 This is a first schematic diagram of the support frame mechanism of this utility model; Figure 6 This is a second schematic diagram of the support frame mechanism of this utility model; Figure 7 This is a schematic diagram of the sealing ring protection plate assembly of this utility model;

[0022] Figure 8 for Figure 7 Enlarged schematic diagram at point A; As shown in the figure, a vacuum tank sealing ring protection device includes a base 36 installed in the circumferential direction of the vacuum tank 6, a drive mechanism 2 set on the base 36, a support frame mechanism 3 installed on the base 36, and a sealing ring protection plate assembly 1 installed on the support frame mechanism; The drive mechanism 2 drives the support frame mechanism to move in coordination with the sealing ring protection plate assembly to cover and protect the sealing ring 4; The vacuum tank sealing ring protection device of this technical solution, by setting it in the circumferential direction of the vacuum tank (here, the position corresponding to the direction of movement of the splash cover 5), allows the drive mechanism to drive the sealing ring protection plate assembly to move in the radial direction of the vacuum tank (here, the direction of movement of the splash cover 5), thereby covering the sealing ring, preventing slag on the splash cover 5 above the ladle 7 from falling onto the sealing ring 4 and burning the sealing ring when the splash cover 5 is lifted and moved, effectively protecting the sealing ring and reducing the maintenance and replacement of the sealing ring.

[0023] In this embodiment, the support frame mechanism 3 includes a guide rail 33 mounted on a base 36, a roller support frame assembly used in conjunction with the guide rail 33, and a guide support frame 31 disposed on the roller support frame assembly. The sealing ring protection plate assembly is fixedly installed in conjunction with the guide support frame. The movement of the roller support frame assembly drives the guide support frame and the sealing ring protection plate assembly to move synchronously to cover and protect the sealing ring. The guide rail 33 is integrally mounted on the base 36 (a supporting steel structure is fixedly installed below the guide rail 33 to be fixedly installed in conjunction with the base 36). The guide support frame 31 is fixedly installed in conjunction with the roller support frame assembly below. The roller support frame assembly is used in conjunction with two parallel guide rails 33. The drive mechanism 2 drives the roller support frame assembly to move.

[0024] In this embodiment, the roller support frame assembly includes a roller support frame, a support shaft mounted on the roller support frame, and rollers mounted on the support shaft. The drive mechanism drives the support shaft to move and drives the rollers to move along the length direction of the guide rail. Figure 5 As shown, the roller 32 is mounted on the roller support frame via a support shaft. The upper end of the roller support frame is fixedly installed with the guide support frame 31. One end of the support shaft is used in conjunction with the drive mechanism. The drive mechanism drives the support shaft to reciprocate, thereby realizing the reciprocating motion of the guide support frame 31 and the upper sealing ring protection plate assembly.

[0025] In the embodiment, the sealing ring protection plate assembly 1 comprises an arc-shaped base 11 mounted on the guide support frame 31 and a high-temperature-resistant protection layer 12 mounted on the arc-shaped base 11. The arc-shaped base 11 is fixedly installed on the upper end surface of the guide support frame 31. Since the sealing ring part to be covered and protected is of an arc-shaped structure, the arc-shaped base 11 is correspondingly arranged, and the high-temperature-resistant protection layer 12 structure is mounted on the upper surface of the arc-shaped base 11, so as to facilitate covering of the sealing ring 4 and receiving the high-temperature steel slag falling from the splash cover 5. When the overall structure is in the closed working state of the flange 13, the sealing ring protection plate assembly 1 is away from the sealing ring 4, and when the overall structure is in the upward lifting open state, the sealing ring protection plate assembly 1 is in the covering and protecting state as shown in FIG. 5. Figure 4 When the overall structure is in the closed working state of the flange 13, the sealing ring protection plate assembly 1 is away from the sealing ring 4, and when the overall structure is in the upward lifting open state, the sealing ring protection plate assembly 1 is in the covering and protecting state as shown in FIG. 5. Figure 3 When the overall structure is in the closed working state of the flange 13, the sealing ring protection plate assembly 1 is away from the sealing ring 4, and when the overall structure is in the upward lifting open state, the sealing ring protection plate assembly 1 is in the covering and protecting state as shown in FIG. 5.

[0026] In the embodiment, the driving mechanism comprises a driving bracket 34 mounted on the base and an electro-hydraulic push rod 35 mounted in cooperation with the driving bracket 34. The output end of the electro-hydraulic push rod 35 cooperates with the support shaft and drives the support shaft to move along the length direction of the guide rail. The driving power source can be the electro-hydraulic push rod 35, which can meet the reciprocating movement of the overall structure in the linear direction. Of course, the overall operation structure is also provided with a bumper and a travel switch, so as to facilitate the movement control of the overall structure. The specific type and installation position of the bumper and the travel switch can be selected according to the actual use, which will not be described here.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the purpose and scope of the present application, which should be covered by the claims of the present application.

Claims

1. A vacuum tank body seal protector, characterized by: The application relates to a sealing ring protection plate assembly, which comprises a base installed in the circumferential direction of a vacuum tank, a driving mechanism arranged on the base, a support frame mechanism installed on the base and a sealing ring protection plate assembly installed on the support frame mechanism; the driving mechanism drives the support frame mechanism to move in cooperation with the sealing ring protection plate assembly to realize covering and protection of the sealing ring.

2. The vacuum tank seal protector of claim 1, wherein: The support frame mechanism comprises guide rails installed on the base, a roller support frame assembly used in cooperation with the guide rails and a guide support frame arranged on the roller support frame assembly; the sealing ring protection plate assembly is fixedly installed in cooperation with the guide support frame; the roller support frame assembly drives the guide support frame and the sealing ring protection plate assembly to synchronously move to realize covering and protection of the sealing ring.

3. The vacuum tank seal protector of claim 2, wherein: The roller support frame assembly comprises a roller support frame, a support shaft installed on the roller support frame and a roller installed on the support shaft; the driving mechanism drives the support shaft to move and drives the roller to move along the length direction of the guide rails.

4. The vacuum tank seal protector of claim 3, wherein: The sealing ring protection plate assembly comprises an arc-shaped base installed on the guide support frame and a high-temperature-resistant protection layer installed on the arc-shaped base; the arc-shaped base is fixedly installed on the upper end surface of the guide support frame.

5. The vacuum tank seal protector of claim 3, wherein: The driving mechanism comprises a driving support frame installed on the base and an electro-hydraulic push rod installed in cooperation with the driving support frame; the output end of the electro-hydraulic push rod is used in cooperation with the support shaft and drives the support shaft to move along the length direction of the guide rails.