Electrode fastening structure

Abstract

The utility model belongs to the technical field of mechanical component manufacturing in the metallurgical industry, and discloses an electrode fastening structure which comprises an annular structure body, the annular structure body is composed of two symmetrical semi-rings, and the two ends of any semi-ring are correspondingly and detachably connected with the two ends of the other semi-ring through detachable connecting assemblies. A plurality of threaded through holes are evenly formed in the annular structure body in the circumferential direction, and locking bolts are connected into the threaded through holes in a threaded mode. The electrode connecting and screwing device is simple in structure, convenient to assemble and disassemble, high in operation efficiency and capable of safely and efficiently connecting and screwing electrodes.

Description

Technical Field

[0001] This utility model belongs to the field of mechanical component manufacturing technology in the metallurgical industry, and specifically relates to an electrode fastening structure. Background Technology

[0002] In steelmaking processes such as electric arc furnaces or ladle refining furnaces, graphite electrodes are required for conductive arc initiation and heating. For ease of transport and storage, the electrodes are segmented, with each segment being an identical graphite cylinder with threaded ends. In actual use, several electrode rods are first connected end-to-end to form a single long electrode, which is then installed at the furnace platform. The connection of each segment requires a fastening device for tightening and locking. During production and smelting, the electrode tip gradually wears down and shortens, necessitating the connection of another electrode rod to the tail end to lengthen it and form a new long electrode, thus allowing for cyclical use.

[0003] Traditional electrode fastening structures are mostly integral circular structures. When using them, the new electrode rod needs to be lifted and inserted into the circular structure, then fixed to the body of the new electrode rod, and finally connected to the end of the old electrode and rotated to lock it. In fact, the following problems exist when using the traditional integral circular electrode fastening structure: (1) When installing the fastening structure, the new electrode rod must be lifted to a certain height to pass through the circular structure, and then the height of the electrode rod must be adjusted to lock it in the appropriate position. This requires multiple people to cooperate and there is a certain safety risk; (2) When disassembling the fastening structure after completing the electrode connection, the fastening circular structure must be unlocked first, and then the entire long electrode must be lifted and the fastening structure removed from the end. This operation is cumbersome and has a high safety risk. Especially in actual production, there are often situations where the old electrode needs to be extended in a red-hot state (extremely high temperature). The traditional electrode fastening structure is more difficult to operate and has a higher safety risk during installation and disassembly. Summary of the Invention

[0004] The purpose of this invention is to overcome the shortcomings of the prior art and provide a ring-shaped, openable and closable fastening structure that is simple in structure, easy to install and remove, and can safely and efficiently connect and tighten electrodes.

[0005] To achieve the above objectives, the present invention includes a ring-shaped main body, which is composed of two symmetrical half-rings. The two ends of one half-ring are detachably connected to the two ends of the other half-ring via a detachable connecting component. The ring-shaped main body is provided with a plurality of threaded through holes evenly distributed along the circumferential direction, and locking bolts are threadedly connected to the threaded through holes.

[0006] The detachable connection assembly includes connecting rings disposed at both ends of the semi-ring, with the connecting rings at the corresponding ends of the two semi-rings arranged alternately vertically, and connecting bolts inserted vertically into the connecting rings at the corresponding ends of the two semi-rings.

[0007] The semi-ring end is provided with at least two connecting rings, and the at least two connecting rings at the corresponding two semi-ring ends are arranged alternately to form an interlocking structure, and the connecting bolts are vertically inserted into the connecting rings at the corresponding two semi-ring ends.

[0008] The ring-shaped main body is provided with at least two handles evenly distributed along the circumference.

[0009] The handle is a telescopic handle.

[0010] The inner wall of the rear end of the front rod is provided with a first limiting ring, and the outer wall of the front end of the rear rod is provided with a second limiting ring corresponding to the first limiting ring.

[0011] The handle and the locking bolt are on the same plane.

[0012] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0013] 1) The main body of the ring structure consists of two symmetrical semi-rings, which are detachably connected. When new and old electrodes need to be connected and locked, hoisting is not required. Simply open the main body of the ring structure to hold the electrode rod in place, and then close the two semi-rings and connect them through the detachable connection assembly. This allows for the rapid installation and fastening of the electrode fastening structure. Compared with traditional fastening structures, the installation process is simpler, safer, and more efficient. Preferably, the detachable structure can use a staggered arrangement of the connecting rings at the ends of the two semi-rings, with the connecting ring at one end of the semi-ring on top and the connecting ring at the other end of the corresponding semi-ring on the bottom. When the ends of the two semi-rings are closed, the connecting rings overlap vertically, and the through holes in the rings are interconnected, allowing for the insertion of locking bolts to achieve a detachable connection. This connection method is simple in structure, easy to process, extremely convenient to assemble and disassemble, and is not easily detached in the fastened state, ensuring high reliability.

[0014] 2) The handle on the main body of the ring structure is preferably a telescopic structure. When tightening the electrode rod, the extended handle can be pulled out, making operation easier; when disassembling and assembling, the handle can be retracted, saving space and making operation more convenient.

[0015] 3) The main body of the annular structure is provided with multiple threaded through holes evenly distributed along the circumference. Locking bolts are threadedly connected in the threaded through holes, which ensures that the force points of the locking bolts are evenly distributed. When the electrode fastening structure is installed and the electrode rod is clamped, it can ensure that it is in perpendicular contact with the cylindrical surface of the electrode and locked. The electrode body is subjected to symmetrical and uniform force, and the surface is less damaged by friction, which can protect the electrode body.

[0016] 4) This utility model has a simple structure, saves time and effort, and can quickly lock the electrode for rotation and fastening through the opening and closing electrode fastening structure, which facilitates the connection, lengthening and tightening of the electrode, and is more efficient and safer. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2 This is the front view of the semi-circular ring;

[0019] Figure 3 This is a bottom view of a semi-circular shape;

[0020] Figure 4 This is a schematic diagram of the telescopic handle.

[0021] Figure 5 This is a front view of the utility model in use.

[0022] Figure 6 This is a top view of the utility model in use.

[0023] Among them, 1-ring structure main body, 2-half ring, 3-handle, 3.1-front rod, 3.2-rear rod, 4-locking bolt, 5-connecting ring, 6-threaded through hole, 7-connecting bolt, 8-first limiting ring, 9-second limiting ring, 10-new electrode rod, 11-old electrode. Detailed Implementation

[0024] The present invention will be further explained below with reference to the accompanying drawings:

[0025] See Figure 1 In this embodiment, the annular structure body 1 consists of two symmetrical semi-rings 2. The two ends of any semi-ring 2 are detachably connected to the two ends of the other semi-ring via a detachable connecting assembly. The semi-rings 2 can be manufactured using methods such as: rolling two long steel plates along their length into a semi-circle; the annular structure body 1 has multiple threaded through holes 6 evenly distributed along its circumference, with locking bolts 4 threaded into each through hole 6. The electrode rod is tightened and loosened by rotating the locking bolts 4 in different directions within the threaded through holes 6. The force points of the locking bolts 4 are evenly distributed, ensuring that the end of the locking bolt 4 is perpendicularly contacted and locked to the cylindrical surface of the electrode rod when tightening it. The electrode rod experiences symmetrical and uniform force, resulting in less surface friction damage and further protecting the electrode rod.

[0026] As another embodiment, see Figure 2 and Figure 3The detachable connecting assembly includes connecting rings 5 ​​disposed at both ends of the semi-ring 2. The connecting rings 5 ​​at the ends of the two corresponding semi-rings 2 are arranged alternately, that is, in the two semi-ring ends that are connected, the connecting ring 5 at one end of the semi-ring is on top, and the connecting ring 5 at the other corresponding end of the semi-ring is on the bottom. In this way, when the ends of the two semi-rings 2 are connected, it is only necessary to first overlap the two connecting rings 5 ​​vertically so that the through holes in the two connecting rings 5 ​​are connected vertically, and then insert the connecting bolt 7 so that the two semi-rings 2 form an openable and closable complete annular structure body 1. The opening and closing state of the annular structure body 1 can be realized by quickly disassembling and assembling the connecting bolt 7.

[0027] More preferably, each half-ring 2 has at least two connecting rings at its end, and the at least two connecting rings 5 ​​at the ends of the corresponding two half-rings 2 are arranged alternately vertically, and the connecting bolts 7 are vertically inserted into the connecting rings 5 ​​at the ends of the corresponding two half-rings to form a hinge structure.

[0028] As another embodiment, see Figure 4 The annular structure body 1 is provided with at least two handles 3 evenly distributed along the circumference, see [reference]. Figure 3 The figure shows two symmetrical handles 3, which are kept on the same plane as the locking bolts 4. The handles 3 are telescopic handles, specifically, the telescopic handles are composed of a front rod 3.1 and a rear rod 3.2. The inner wall of the rear end of the front rod 3.1 is provided with a first limiting ring 8, and the outer wall of the front end of the rear rod 3.2 is provided with a second limiting ring 9 corresponding to the first limiting ring 8. When the front rod 3.1 is pulled outward and extended, the first limiting ring 8 and the second limiting ring 9 abut against each other and limit the movement, preventing the front rod 3.1 from coming off.

[0029] During operation, remove the connecting bolt 7, open the annular structure body 1, insert the new electrode rod 10 accordingly, close the two half rings 2, and insert the connecting bolt 7 into the overlapping connecting ring 5 to lock it; adjust the position of the annular structure body 1, tighten the locking bolt 4 to secure the new electrode rod 10 inside the ring, and turn the handle 3 clockwise to tighten the new electrode rod 10 and connect it to the tail end of the old electrode 11 to achieve electrode lengthening (see...). Figure 5 and Figure 6 Before tightening, the front rod 3.1 of the handle 3 can be pulled out and extended to save effort. When disassembling or assembling the ring structure body 1, the front rod 3.1 can be put back onto the rear rod 3.2, saving space and making operation easier. This utility model is time-saving and labor-saving when connecting and fastening electrodes, with high work efficiency, reduced contact between personnel and hot electrodes, and good safety and reliability.

Claims

1. An electrode fastening structure, comprising a ring-shaped main body, characterized in that, The main body of the annular structure consists of two symmetrical semi-rings. The two ends of one semi-ring are detachably connected to the two ends of the other semi-ring via a detachable connecting component. The main body of the annular structure is provided with multiple threaded through holes evenly distributed along the circumference, and locking bolts are threaded into the threaded through holes.

2. The electrode fastening structure as described in claim 1, characterized in that, The detachable connection assembly includes connecting rings disposed at both ends of the semi-ring, with the corresponding connecting rings at the ends of the two semi-rings arranged vertically and vertically, and connecting bolts inserted vertically into the corresponding connecting rings at the ends of the two semi-rings.

3. The electrode fastening structure as described in claim 2, characterized in that, The semi-ring end is provided with at least two connecting rings, and the corresponding two connecting rings at the two semi-ring ends correspond to each other, and the connecting bolts are inserted vertically into the connecting rings at the corresponding two semi-ring ends.

4. The electrode fastening structure as described in any one of claims 1-3, characterized in that, The ring-shaped main body is provided with at least two handles evenly distributed along the circumference.

5. The electrode fastening structure as described in claim 4, characterized in that, The handle is a telescopic handle.

6. The electrode fastening structure as described in claim 5, characterized in that, The telescopic handle consists of a front rod and a rear rod. The inner wall of the rear end of the front rod is provided with a first limiting ring, and the outer wall of the front end of the rear rod is provided with a second limiting ring corresponding to the first limiting ring.

7. The electrode fastening structure as described in claim 5, characterized in that, The handle and the locking bolt are on the same plane.

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