Special clamp for hot repair protection plate of coke oven

By designing a special fixture for coke oven hot repair protection plate, the combination of an inverted isosceles trapezoidal body, tube nut and screw is used to solve the problem of time and safety hazards for fixing the coke oven protection plate, and the stable fixation of the protection plate and the improvement of the heat repair quality are achieved.

CN222935353UActive Publication Date: 2025-06-03PANGANG GRP XICHANG STEEL & VANADIUM CO LTD
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Patent Information

Application Number
CN202421882132.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-05
Publication Date
2025-06-03
Estimated Expiration
2034-08-05

AI Technical Summary

Technical Problem

When the coke oven is lifted and unplugged or the furnace head is lifted and renovated, the process of fixing the coke oven protection plate takes a long time and there is a risk of falling objects from high altitudes, resulting in safety hazards.

Method used

A special fixture for coke oven hot repair protection plate is designed, including an inverted body without lower bottom isosceles trapezoidal body, tube nut and screw, which connects the tube nut and the body through welding, and the screw and tube nut are tightly connected to form a clamp to fix the protective plate.

Benefits of technology

Effectively fix the coke oven protection plate to prevent deformation during cooling, improve the quality of heat repair, and reduce safety hazards. It is suitable for the promotion and application of large coke ovens in China.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a special clamp for a coke oven hot repair protection plate, which comprises a body, a plurality of clamping blocks, a plurality of clamping blocks and a plurality of clamping blocks, and the body is in an inverted isosceles trapezoid without a lower bottom; the two tubular nuts are connected to the bottoms of the two waists of the inverted isosceles trapezoid without the lower bottom respectively; and the two screw rods are respectively in threaded connection with the two tubular nuts. According to the special clamp for the coke oven hot repair protection plate, the coke oven use protection plate can be fixed at a production position, the protection plate is prevented from being deformed in the coke oven cooling process, the coke oven hot repair quality is prevented from being influenced, meanwhile, the special clamp for the coke oven hot repair protection plate can well clamp and fix the protection plate, and potential safety hazards are avoided. The device can be popularized and applied in domestic large coke ovens, and has a wide popularization prospect.
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Description

Technical Field

[0001] The utility model relates to the field of fixed clamping devices, and more specifically, to a special fixture for a coke oven hot repair protection plate. Background Art

[0002] At present, when the coke oven is undergoing top-opening general repair or furnace head top-opening overhaul, it is necessary to use a 1.5t or 3t manual hoist in advance to fix the coke oven protection plate in the production position. Since the fixed coke oven protection plate is in the upper position of the coke oven, it takes a long time to fix the manual hoist and there is a risk of high-altitude falling objects for the fixed manual hoist. Therefore, safety hazards often occur. Thus, it is desirable to design a special fixture for a coke oven hot repair protection plate to fix the coke oven protection plate to solve the above problems. Summary of the Utility Model

[0003] Aiming at the deficiencies of the prior art, the utility model provides a special fixture for a coke oven hot repair protection plate. The utility model utilizes the technical principle of process equipment to design a special fixture for a coke oven hot repair protection plate. When the coke oven is undergoing hot repair, especially top-opening general repair or furnace head top-opening overhaul, the special fixture for a coke oven hot repair protection plate can be used to fix the coke oven use protection plate in the production position, preventing the deformation of the protection plate during the temperature drop of the coke oven and affecting the quality of coke oven hot repair.

[0004] To solve the above technical problems, the utility model adopts the following technical solutions, which are specifically described as follows:

[0005] According to an aspect of the utility model, there is provided a special fixture for a coke oven hot repair protection plate, which includes:

[0006] A body, which is an inverted isosceles trapezoid without a bottom;

[0007] Two pipe nuts, which are respectively connected to the bottoms of the two waists of the inverted isosceles trapezoid without a bottom;

[0008] Two screw rods, which are respectively threadedly connected to the two pipe nuts.

[0009] In an embodiment of the utility model, the screw rod includes a T-shaped screw rod.

[0010] In an embodiment of the utility model, the body is made of steel.

[0011] In an embodiment of the utility model, the steel includes Q235 steel.

[0012] In an embodiment of the utility model, the width of the body is determined according to the width of the coke oven hot repair protection plate.

[0013] In an embodiment of the utility model, the pipe nut adopts a high-strength nut.

[0014] In one embodiment of the present utility model, the special fixture is placed between the hot repair protection plate of the coke oven and the furnace frame.

[0015] In one embodiment of the present utility model, the pipe nuts are made of carbon steel or stainless steel.

[0016] In one embodiment of the present utility model, the screw rod is made of stainless steel, carbon steel or aluminum alloy.

[0017] In one embodiment of the present utility model, two pipe nuts are respectively connected to the bottoms of the two waists of the inverted isosceles trapezoid without a bottom by welding.

[0018] By adopting the above technical solutions, the present utility model has the following advantages compared with the prior art:

[0019] The special fixture for the hot repair protection plate of the coke oven designed by the present utility model can fix the protection plate of the coke oven in the production position, prevent the deformation of the protection plate during the cooling process of the coke oven, and affect the quality of the hot repair of the coke oven. At the same time, the special fixture for the hot repair protection plate of the coke oven designed by the present utility model can firmly clamp and fix the protection plate without potential safety hazards. The present utility model can be popularized and applied in large domestic coke ovens and has broad prospects for popularization. Description of the Drawings

[0020] The above and / or additional aspects and advantages of the present utility model will become more obvious and easier to understand in the description of the embodiments in conjunction with the drawings, wherein:

[0021] Figure 1 The structural schematic diagram of a special fixture for the hot repair protection plate of the coke oven provided by the present utility model is shown.

[0022] Description of the Reference Numerals in the Drawings

[0023] 1 - Special fixture, 2 - Body, 3 - Pipe nut, 4 - Screw rod. Detailed Embodiments

[0024] It should be understood that the embodiments of the present utility model shown in the exemplary embodiments are merely illustrative. Although only a few embodiments of the present utility model are described in detail, those skilled in the art can easily understand that various modifications are feasible without substantially departing from the teachings of the subject matter of the present utility model. Accordingly, all such modifications should be included within the scope of the present utility model. Without departing from the gist of the present utility model, other substitutions, modifications, changes and deletions can be made to the design, operating conditions and parameters, etc. of the following exemplary embodiments.

[0025] Such as Figure 1As shown in the figure, an embodiment of the present utility model provides a special fixture for the hot repair protection plate of a coke oven. The special fixture 1 includes: a body 2, which is an inverted isosceles trapezoid without a bottom; two pipe nuts 3, which are respectively connected to the bottoms of the two waists of the inverted isosceles trapezoid without a bottom; and two screw rods 4, which are respectively threadedly connected to the two pipe nuts 3.

[0026] Through the above technical solution of the present utility model, the special fixture for the hot repair protection plate of the coke oven designed by the present utility model can fix the protection plate used in the coke oven in the production position, prevent the deformation of the protection plate during the temperature reduction process of the coke oven, and affect the quality of the hot repair of the coke oven. The present utility model can be popularized and applied in large domestic coke ovens and has broad prospects for popularization.

[0027] In the preferred embodiment of the above special fixture for the hot repair protection plate of the coke oven, as Figure 1 shown, the screw rod 4 includes a T-shaped screw rod. The structure of the T-shaped screw rod facilitates the fastening connection between the screw rod 4 and the pipe nut 3.

[0028] In the preferred embodiment of the above special fixture for the hot repair protection plate of the coke oven, the body 2 can be made of steel.

[0029] In the preferred embodiment of the above special fixture for the hot repair protection plate of the coke oven, the steel can include Q235 steel.

[0030] In the preferred embodiment of the above special fixture for the hot repair protection plate of the coke oven, the width of the body 2 is determined according to the width of the hot repair protection plate of the coke oven. The width of the body 2 is determined based on the width of the protection plate, which facilitates the special fixture 1 made to be well applicable to the protection plate.

[0031] In the preferred embodiment of the above special fixture for the hot repair protection plate of the coke oven, the pipe nut 3 needs to be a high-strength nut. The pipe nut 3 being a high-strength nut can ensure the service strength.

[0032] In the preferred embodiment of the above special fixture for the hot repair protection plate of the coke oven, the special fixture 1 is placed between the hot repair protection plate of the coke oven and the furnace frame.

[0033] In the preferred embodiment of the above special fixture for the hot repair protection plate of the coke oven, the pipe nut 3 is made of carbon steel or stainless steel.

[0034] In the preferred embodiment of the above special fixture for the hot repair protection plate of the coke oven, the screw rod 4 is made of stainless steel, carbon steel or aluminum alloy.

[0035] In the preferred embodiment of the above special fixture for the hot repair protection plate of the coke oven, the two pipe nuts 3 are respectively connected to the bottoms of the two waists of the inverted isosceles trapezoid without a bottom by welding. This method facilitates the fixation of the pipe nut 3 to the bottom of the waist of the body 2 (inverted isosceles trapezoid without a bottom).

[0036] To make the objectives, technical solutions, and advantages of the present utility model clearer and more understandable, the following further elaborates on the embodiments of the present utility model in detail with reference to specific embodiments and the accompanying drawings. That is, the special fixture for the coke oven hot repair protection plate provided by the above embodiments of the present utility model will be described through specific embodiments below.

[0037] Again, as Figure 1 shown, a preferred embodiment of the present utility model designs a special fixture for the coke oven hot repair protection plate. The special fixture 1 includes: a body 2, two pipe nuts 3, and two screw rods 4 (T-shaped screw rods). The body 2 is in the shape of an inverted isosceles trapezoid without a bottom, that is, the body 2 is in an inverted trapezoid shape without a bottom. The two pipe nuts 3 are respectively welded and fixedly connected to the bottoms of the two waists of the body 2 (inverted isosceles trapezoid without a bottom), and the two screw rods 4 (T-shaped screw rods) are respectively threadedly connected to the corresponding two pipe nuts 3.

[0038] In the above special fixture for the coke oven hot repair protection plate, the body 2 is preferably made of steel, and among them, the steel is preferably Q235 steel. Of course, other steels can also be used for the steel, such as Q195 steel, Q275 steel, Q215 steel, Q255 steel, Q235 steel, etc. The width of the body 2 is determined according to the width of the coke oven hot repair protection plate so that the special fixture made can be well applicable to the protection plate.

[0039] In the above special fixture for the coke oven hot repair protection plate, the pipe nut 3 is made of a high-strength nut to ensure the use strength.

[0040] In the above special fixture for the coke oven hot repair protection plate, when the special fixture 1 is in use, the special fixture 1 is placed between the coke oven hot repair protection plate and the furnace frame.

[0041] In the above special fixture for the coke oven hot repair protection plate, the pipe nut 3 is made of carbon steel or stainless steel, and the screw rod 4 (T-shaped screw rod) is made of stainless steel, carbon steel, or aluminum alloy. In this specific embodiment, both the pipe nut 3 and the screw rod 4 (T-shaped screw rod) are made of stainless steel. The screw rod 4 (T-shaped screw rod) has a T-shaped thread to ensure the use strength.

[0042] When the special fixture for the coke oven hot repair protection plate of the present utility model is in use, first, the bricks of the coke oven hot repair combustion chamber are removed to the upper part of the protection plate. Based on the width of the protection plate, a special fixture 1 with a suitable width is designed. Then, the body 2 of the special fixture 1 and the welded and fixed pipe nuts 3 are placed between the protection plate and the furnace frame. After the position is determined, the screw rod 4 (T-shaped screw rod) is threadedly tightened into the pipe nut 3 to fix the protection plate in place and in a hot state through the acting force, ensuring the repair quality.

[0043] It can be seen that the special fixture for the coke oven hot repair protection plate designed by the present utility model can fix the coke oven use protection plate at the production position, prevent the deformation of the protection plate during the coke oven cooling process, and affect the coke oven hot repair quality. At the same time, the special fixture for the coke oven hot repair protection plate designed by the present utility model can well clamp and fix the protection plate without any potential safety hazards.

[0044] It should be particularly noted that each component or step in the above-mentioned various embodiments can be mutually crossed, replaced, added, or deleted. Therefore, the combinations formed by these reasonable permutations and combinations should also fall within the protection scope of the present utility model, and the protection scope of the present utility model should not be limited to the said embodiments.

[0045] The above are the exemplary embodiments disclosed by the present utility model. The order of disclosure of the above embodiments of the present utility model is only for description and does not represent the superiority or inferiority of the embodiments. However, it should be noted that the discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of disclosure of the embodiments of the present utility model (including the claims) is limited to these examples. Without departing from the scope defined by the claims, various changes and modifications can be made. The functions, steps, and / or actions of the method claims according to the disclosed embodiments herein do not need to be executed in any specific order. In addition, although the elements disclosed in the embodiments of the present utility model can be described or claimed in individual form, they can also be understood as multiple unless explicitly limited to the singular.

[0046] Those of ordinary skill in the art should understand that the discussion of any of the above embodiments is only exemplary and is not intended to imply that the scope of disclosure of the embodiments of the present utility model (including the claims) is limited to these examples; under the idea of the embodiments of the present utility model, the technical features between the above embodiments or different embodiments can also be combined, and there are many other variations in different aspects of the embodiments of the present utility model as described above, which are not provided in detail for the sake of brevity. Therefore, any omission, modification, equivalent replacement, improvement, etc. made within the spirit and principle of the embodiments of the present utility model shall be included within the protection scope of the embodiments of the present utility model.

Claims

1. A special fixture for coke oven thermal repair protection plate, characterized in that: include: A main body, the main body is an inverted isosceles trapezoid without a lower base; Two tubular nuts, the two tubular nuts are respectively connected to the bottoms of the two waists of the inverted isosceles trapezoid without a lower base; Two screw rods are respectively threadedly connected to the two tubular nuts.

2. The special fixture for coke oven thermal repair protection plate according to claim 1 is characterized in that: The screw comprises a T-type screw.

3. The special fixture for coke oven thermal repair protection plate according to claim 1, characterized in that: The body is made of steel.

4. The special fixture for coke oven thermal repair protection plate according to claim 3 is characterized in that: The steel material includes Q235 steel.

5. The special fixture for coke oven thermal repair protection plate according to claim 4, characterized in that: The width of the body is determined according to the width of the coke oven thermal repair protection plate.

6. The special fixture for coke oven thermal repair protection plate according to claim 1, characterized in that: The tubular nut adopts a high-strength nut.

7. The special fixture for coke oven thermal repair protection plate according to claim 1, characterized in that: The special clamp is placed between the coke oven thermal repair protection plate and the oven frame.

8. The special fixture for coke oven thermal repair protection plate according to claim 1, characterized in that: The tubular nut is made of carbon steel or stainless steel.

9. The special fixture for coke oven thermal repair protection plate according to claim 2, characterized in that: The screw is made of stainless steel, carbon steel or aluminum alloy.

10. The special fixture for coke oven thermal repair protection plate according to claim 1, characterized in that: The two tubular nuts are respectively connected to the bottoms of the two waists of the inverted isosceles trapezoid without a lower bottom by welding.