Device for removing small and medium sleeves in blast furnace
By designing a small and medium-sized blast furnace sleeve removal device with hook claw body and adjustment components, the problem of difficulty in contact with a single hook of a long rod and uneven force is solved, and simple disassembly of small and medium-sized sleeves and part protection is achieved.
Patent Information
- Application Number
- CN202421276581.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-05
- Publication Date
- 2025-07-01
- Estimated Expiration
- 2034-06-05
AI Technical Summary
When the small and medium sleeves of blast furnaces are removed in the prior art, it is difficult for the long rod single hook to accurately contact the inner edge of the small and medium sleeve, and the stress is uneven, which can easily lead to the single hook being separated from the outer edge of the small and medium sleeve, which is complicated to operate and is not conducive to protecting the integrity of the parts of the small and medium sleeve.
A blast furnace small and medium sleeve removal device is designed, using hook claw body, inner sleeve, limit seat and adjustment component. The vibration plate contacts the inner edge of the small and medium sleeve through the vibration plate, and the spring force is used to achieve uniform force. The opening and closing is controlled with the adjustment component to achieve simple disassembly of the small and medium sleeves.
The uniform stress disassembly of small and medium sleeves is achieved, the operation process is simplified, the workload is reduced, and the integrity of small and medium sleeves is protected.
Smart Images
Figure CN223044038U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of metallurgical industry, in particular to a device for removing small and medium-sized sleeves of a blast furnace. Background Art
[0002] With the development of the economy and the progress of society, the operating environment of blast furnaces for ironmaking has gradually improved, and the professional level requirements for the daily maintenance of blast furnaces are getting higher and higher. Blast furnace maintenance units are actively exploring the use of special tools for blast furnace maintenance operations. The removal of small and medium-sized sleeves at the tuyeres of blast furnaces is no exception. Usually, the removal of small and medium-sized sleeves of blast furnaces is carried out by multiple people in the form of a long rod with a single hook. The specific operation form is that the long rod with a single hook directly penetrates into the inner edge of the small and medium-sized sleeve, and by applying a reverse force to the long rod, the small and medium-sized sleeve is separated from the blast furnace body.
[0003] There are the following disadvantages in the removal method of this structural form: 1. The diameter of the long rod and the single hook in the form of a long rod with a single hook is much smaller than the inner diameter of the small and medium-sized sleeve. It is not easy for the single hook to contact the inner edge of the small and medium-sized sleeve during the process of penetrating into the small and medium-sized sleeve, and it needs to be adjusted repeatedly; 2. The force of the long rod with a single hook form is on a single hook. When an external force is applied, the force between the single hook and the inner edge of the small and medium-sized sleeve is uneven, which easily causes the single hook to separate from the outer edge of the small and medium-sized sleeve. Content of the Utility Model
[0004] The purpose of the utility model is to provide a device for removing small and medium-sized sleeves of a blast furnace in order to solve the above problems.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] A device for removing small and medium-sized sleeves of a blast furnace includes a claw main body. One end of the claw main body is provided with a hollow rod. An inner sleeve is slidably connected inside the hollow rod. A plurality of first limit seats are arranged on the outer side of the inner sleeve. A plurality of second limit holes adapted to the first limit seats are opened on the side surface of the hollow rod. A plurality of third limit seats are distributed on the outer side of the claw main body. A demolition assembly is arranged between the first limit seat and the third limit seat. An adjusting assembly for controlling the opening and closing of the demolition assembly is arranged between one end of the hollow rod and the inner sleeve.
[0007] Preferably, the first limit seats and the third limit seats correspond to each other one by one, and the plurality of third limit seats are annularly and equidistantly distributed about the axis of the hollow rod.
[0008] Preferably, the demolition assembly includes a vibration plate. One end of the vibration plate is rotatably connected to the third limit seat. A first limit hole is opened at one end of the vibration plate. A hand push connecting rod is movably connected between the first limit hole and the first limit seat.
[0009] Preferably, one end of the hand-pushing connecting rod is rotatably connected to the first limiting hole, and the other end of the hand-pushing connecting rod is rotatably connected to the first limiting seat.
[0010] Preferably, a spring is arranged between the claw body and the vibration plate.
[0011] Preferably, the adjusting assembly includes an inner shaft fixedly connected to the inner sleeve. An adjusting shaft is arranged at one end of the inner shaft far away from the inner sleeve. A second limiting seat is arranged on the side surface of the hollow rod. A first rotating shaft is arranged on the second limiting seat. A support rod is rotatably connected to the first rotating shaft. A fourth limiting hole is formed at one end of the support rod. The adjusting shaft is slidably connected to the fourth limiting hole.
[0012] Preferably, a third limiting hole is formed in the side surface of the hollow rod, and the third limiting hole is slidably connected to the adjusting shaft.
[0013] In summary, due to the adoption of the above technical solutions, the beneficial effects of the present utility model are as follows:
[0014] Compared with the prior art, the present application is provided with a collapsible disassembly component and an adjusting component for controlling the opening and closing of the disassembly component, making the disassembly work of the small and medium-sized sleeves in the blast furnace simple and easy, greatly reducing the disassembly work load. Because the small and medium-sized sleeves are evenly stressed, not only the disassembly of the small and medium-sized sleeves becomes simple, but also the integrity of the small and medium-sized sleeve parts can be better protected during the disassembly process. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 Shows a three-dimensional structural schematic diagram of the disassembly device provided by an embodiment of the present utility model;
[0016] Figure 2 Shows a structural schematic diagram of the disassembly component provided by an embodiment of the present utility model;
[0017] Figure 3 Shows a structural schematic diagram of the adjusting component provided by an embodiment of the present utility model;
[0018] Figure 4 Shows a cross-sectional structural schematic diagram of the existing small and medium-sized sleeve disassembly device.
[0019] Legend Explanation:
[0020] 1. Claw body; 2. Vibration plate; 3. Hand-pushing connecting rod; 4. Inner sleeve; 5. Inner shaft; 6. Hollow rod; 7. Spring; 8. Support rod; 9. First limiting hole; 10. Adjusting shaft; 11. First limiting seat; 12. Second limiting seat; 13. First rotating shaft; 14. Third limiting seat; 15. Fourth limiting hole; 16. Second limiting hole; 17. Third limiting hole. DETAILED DESCRIPTION OF THE EMBODIMENTS
[0021] Next, in combination with the accompanying drawings in the embodiments of the present utility model, the technical solutions in the embodiments of the present utility model will be clearly and completely described. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.
[0022] Please refer to Figures 1-4 , the present utility model provides a technical solution:
[0023] A small and medium-sized sleeve removal device for a blast furnace, including a hook claw main body 1. One end of the hook claw main body 1 is provided with a hollow rod 6. An inner sleeve 4 is slidably connected inside the hollow rod 6. A plurality of first limit seats 11 are arranged on the outer side of the inner sleeve 4. A plurality of second limit holes 16 adapted to the first limit seats 11 are opened on the side surface of the hollow rod 6. A plurality of third limit seats 14 are distributed on the outer side of the hook claw main body 1. A removal assembly is arranged between the first limit seats 11 and the third limit seats 14. An adjustment assembly for controlling the opening and closing of the removal assembly is arranged between one end of the hollow rod 6 and the inner sleeve 4.
[0024] Specifically, as Figure 1 shown, the first limit seats 11 and the third limit seats 14 correspond one by one. The plurality of third limit seats 14 are annularly and equidistantly distributed about the axis of the hollow rod 6; the number of the first limit seats 11 is the same as the number of the third limit seats 14. Therefore, the plurality of first limit seats 11 are annularly and equidistantly distributed about the axis of the hollow rod 6, so that the force on the contact surface between the disassembly component and the small and medium-sized sleeve is uniform.
[0025] Specifically, as Figure 1 shown, the removal assembly includes a vibration plate 2. One end of the vibration plate 2 is rotatably connected to the third limit seat 14. A first limit hole 9 is opened at one end of the vibration plate 2. A hand push connecting rod 3 is movably connected between the first limit hole 9 and the first limit seat 11. One end of the hand push connecting rod 3 is rotatably connected to the first limit hole 9, and the other end of the hand push connecting rod 3 is rotatably connected to the first limit seat 11. A spring 7 is arranged between the hook claw main body 1 and the vibration plate 2; during use, after the folded disassembly component is placed in a suitable position, the support rod 8 is first opened. Under the action of the elastic force of the spring 7, the plurality of vibration plates 2 will be opened simultaneously, and then clamped on the inner edge of the small and medium-sized sleeve, so as to complete the positioning between the vibration plate 2 and the small and medium-sized sleeve, facilitating the removal of the small and medium-sized sleeve.
[0026] Specifically, as Figure 2 and Figure 3As shown, the adjustment component includes an inner shaft 5 fixedly connected to the inner sleeve 4, an adjustment shaft 10 is arranged on the end of the inner shaft 5 away from the inner sleeve 4, a second limit seat 12 is arranged on the side of the hollow rod 6, a first rotating shaft 13 is arranged on the second limit seat 12, the first rotating shaft 13 is rotatably connected to the support rod 8, a fourth limit hole 15 is opened at one end of the support rod 8, the adjustment shaft 10 is slidably connected to the fourth limit hole 15, a third limit hole 17 is opened on the side of the hollow rod 6, and the third limit hole 17 is slidably connected to the adjustment shaft 10; the fourth limit hole 15 is preferably a waist-shaped structure, the adjustment shaft 10 can slide in the fourth limit hole 15, and the adjustment shaft 10 can move along the third limit hole 17.
[0027] To sum up, the present embodiment provides a blast furnace small and medium-sized sleeve dismantling device. When working, the vibrating plate 2 is connected with the hook body 1 to form a uniform force-bearing body in contact with the inner edge of the blast furnace small and medium-sized sleeve, the inner sleeve 4 is connected with the hollow rod 6 to form a hook retraction structure, the inner sleeve 4, the inner shaft 5, the hand-push connecting rod 3, and the support rod 8 together constitute the power transmission path of the hook retraction mechanism. When the dismantling device penetrates into the inner edge of the blast furnace small and medium-sized sleeve, it is restricted by the inner diameter of the small and medium-sized sleeve, and the hook mechanism is passively contracted, and the dismantling device passes through the inner diameter of the small and medium-sized sleeve. After the dismantling device passes through the small and medium-sized sleeve, the dismantling device is automatically opened by the action of the spring 7, so that the two vibrating plates 2 act on the inner edge of the small and medium-sized sleeve, and the dismantling of the small and medium-sized sleeve is completed by applying an external force in the opposite direction to the entire dismantling device, and then the vibrating plate 2 of the dismantling device is retracted by pushing the hand-push connecting rod 3, so that the small and medium-sized sleeve is separated from the dismantling device in the axial direction, and the dismantling of the small and medium-sized sleeve is completed.
[0028] The above description of the embodiments enables those skilled in the art to implement or use the present invention. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the present invention. Therefore, the present invention will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.
Claims
1. A blast furnace small sleeve removal device, comprising a hook body (1), characterized in that: A hollow rod (6) is provided at one end of the hook claw body (1), an inner sleeve (4) is slidably connected inside the hollow rod (6), a plurality of first limit seats (11) are provided on the outer side of the inner sleeve (4), a plurality of second limit holes (16) adapted to the first limit seats (11) are provided on the side of the hollow rod (6), a plurality of third limit seats (14) are distributed on the outer side of the hook claw body (1), a removal assembly is provided between the first limit seats (11) and the third limit seats (14), and an adjustment assembly for controlling the opening and closing of the removal assembly is provided between one end of the hollow rod (6) and the inner sleeve (4).
2. A blast furnace small sleeve removal device according to claim 1, characterized in that: The first limiting seats (11) correspond one to one with the third limiting seats (14), and a plurality of the third limiting seats (14) are distributed in a circular shape at equal intervals about the axis of the hollow rod (6).
3. A blast furnace small sleeve removal device according to claim 1, characterized in that: The dismantling assembly comprises a vibrating plate (2), one end of the vibrating plate (2) being rotatably connected to the third limiting seat (14), a first limiting hole (9) being formed at one end of the vibrating plate (2), and a hand-pushing connecting rod (3) being movably connected between the first limiting hole (9) and the first limiting seat (11).
4. A blast furnace small sleeve removal device according to claim 3, characterized in that: One end of the hand-pushing connecting rod (3) is rotatably connected to the first limiting hole (9), and the other end of the hand-pushing connecting rod (3) is rotatably connected to the first limiting seat (11).
5. A blast furnace small sleeve removal device according to claim 4, characterized in that: A spring (7) is provided between the hook body (1) and the vibration plate (2).
6. A blast furnace small sleeve removal device according to claim 1, characterized in that: The adjustment assembly comprises an inner shaft (5) fixedly connected to the inner sleeve (4); an adjustment shaft (10) is arranged at one end of the inner shaft (5) away from the inner sleeve (4); a second limit seat (12) is arranged on the side of the hollow rod (6); a first rotating shaft (13) is arranged on the second limit seat (12); the first rotating shaft (13) is rotatably connected to a support rod (8); a fourth limit hole (15) is formed at one end of the support rod (8); and the adjustment shaft (10) is slidably connected to the fourth limit hole (15).
7. A blast furnace small sleeve removal device according to claim 6, characterized in that: A third limiting hole (17) is provided on the side surface of the hollow rod (6), and the third limiting hole (17) is slidably connected to the adjustment shaft (10).