CN220007658U - Portable electric arc furnace graphite electrode joint's extracting tool - Google Patents

Abstract

The utility model provides a portable electric arc furnace graphite electrode connects's extracting tool, by pull the rotating head and pull the pole and constitute, be provided with spacing groove and load-carrying bar respectively on the upper and lower side of pull the rotating head foundation plate, the spacing groove is enclosed by the riser and protects and constitute, it radially sets up to run through the foundation plate, pull pole and pull the rotating head and articulate and be connected, can coordinate to inlay in the spacing inslot when rotating and expanding, can make pull pole and load-carrying bar keep the syntropy setting when rotating and accomodating, furthest reduces the space occupation, easily carry the transport, convenient production and use, improve electrode connects dismantlement work efficiency, drill in advance on the electrode connects and inlay the hole and with the load-carrying bar correspondence and put wherein, apply effort to the pulling head with lever in advance in use, convert balancing moment through the load-carrying bar again, can dismantle the cracked electrode connects safely, stably, reliably from graphite electrode, the reduction in order to dismantle the degree of difficulty, reduce the work intensity, moreover can also avoid the destruction to the graphite electrode probably cause, guarantee reuse, the cost is consumed.

Description

Portable electric arc furnace graphite electrode joint's extracting tool

Technical Field

The utility model relates to a disassembling tool, in particular to a disassembling tool for a graphite electrode joint of a portable electric arc furnace.

Background

The graphite electrode is made of high-temperature resistant graphite conductive material and comprises a natural graphite electrode and an artificial graphite electrode, wherein: the artificial graphite electrode is made up by using petroleum coke and asphalt coke as aggregate and using coal asphalt as adhesive through the processes of calcining raw material, breaking, pulverizing, proportioning, mixing and kneading, forming, roasting, impregnating, graphitizing and machining, and features high hardness and high brittleness. In actual production, the graphite electrodes are connected with each other by electrode joints made of the same material and provided with double screw structures so as to reach the design length; based on the fact that the structural materials of the graphite electrode and the electrode joint are relatively large in brittleness and relatively concentrated in stress, when structural defects such as cracks and micro control exist in the electrode joint, or the electrode joint is impacted by collapse furnace materials in an electric furnace, or the furnace materials are not conductive, when the stroke is impacted excessively, the electrode joint is likely to break, after the electrode joint breaks and breaks in production, the broken electrode joint needs to be detached from the graphite electrode respectively, then the graphite electrode is reconnected by using a new electrode joint, and otherwise, the graphite electrode cannot be reused. However, because the frictional resistance between the electrode joint and the graphite electrode screw buckle connected with the electrode joint is too large, the broken electrode joint is difficult to directly loosen and take out through simple rotation operation, the working efficiency is low, the labor intensity is high, even the graphite electrode connected with the electrode joint is sometimes damaged by improper operation, the graphite electrode is scrapped, the production cost is increased, and the production waste is caused. Therefore, it is necessary to research and develop a special electrode joint disassembling tool, improve the disassembling process, improve the production efficiency and save the production cost.

Disclosure of Invention

The utility model aims to provide a disassembling tool for a graphite electrode joint of a portable electric arc furnace, which is used for disassembling a broken electrode joint from a graphite electrode, ensuring the high efficiency of disassembling the electrode joint and improving the reliability of disassembling the electrode joint.

A portable electric arc furnace graphite electrode joint disassembling tool consists of a spanner head and a spanner rod; the wrench head comprises: the foundation plate is a circular plate body, the limiting grooves are radially penetrated along the upper side surface of the foundation plate and are formed by surrounding 2 vertical plates perpendicular to the surface of the foundation plate and parallel to each other, and at least 2 bearing rods and the surface of the foundation plate are vertically and fixedly arranged on the lower side surface of the foundation plate and are uniformly distributed on the same circumference line concentric with the foundation plate; the spanner is a straight rod body, corresponds to the setting position of the limiting groove, is hinged with the spanner head and can rotate relative to the spanner head by taking a hinge point as an axis, a limiting area is arranged at the upper part of the hinge point, a spanner area is arranged at the lower part of the hinge point, when the spanner is rotated and unfolded to a space position parallel to the base plate, the limiting area can be embedded in the limiting groove in a matched mode and limited by the vertical plate in a bidirectional constraint mode, the spanner can drive the base plate to rotate in the spanner area, and when the spanner is rotated and stored to a space position perpendicular to the base plate, the spanner and the bearing rod can be kept to be arranged along the same direction, structural space occupation of a dismounting tool of the graphite electrode joint of the portable arc furnace can be reduced to the greatest extent, and the spanner is easy to carry and convenient to produce and use. In use, an embedding hole which is correspondingly matched with the position and the structure of the bearing rod is required to be drilled on the section of the broken electrode joint in advance, then the bearing rod is correspondingly matched and embedded in the embedding hole, and when the spanner rod which is arranged at the parallel position with the base plate is pulled, a rotation moment is applied to the electrode joint by the bearing rod, so that the electrode joint can be driven to be released from the graphite electrode; because the spanner rod uses the lever principle to spanner the spanner head, and the force-bearing rod can stably and evenly transmit torque to the electrode joint, the purpose of stable, reliable, simple, convenient and labor-saving can be achieved by using the disassembling tool of the portable electric arc furnace graphite electrode joint to disassemble the broken electrode joint.

The utility model provides a portable electric arc furnace graphite electrode connects's extracting tool, is preferring be in the front end of spacing groove is provided with the stopper, set up on the stopper with spacing hole that the spacing groove corresponds, spacing hole with spacing regional section constitutes structural fit on the spanner, simultaneously, set up respectively on the riser the bar slotted hole that the position corresponds each other, the spanner utilization the bar slotted hole with spanner is articulated to be connected, when the spanner rotates and expands to with the spatial position that the base plate parallels, the spanner can be followed the bar slotted hole is in the spacing groove is relative the riser motion makes the tip of spanner fully inlay get into in the spacing hole, restraint restriction spanner is relative spanner rotary motion, reinforcing spanner rotates the steadiness of expansion state structure.

The dismounting tool of the portable electric arc furnace graphite electrode joint is preferably arranged in the bearing rods arranged on the foundation plate, wherein the length of 1 bearing rod is longer than the lengths of the rest bearing rods, namely the longest bearing rod is arranged; the longest bearing rod is arranged to simplify the operation process of the corresponding matching and embedding of the bearing rod and the embedding hole on the fracture electrode joint, and the specific operation method is as follows: the longest bearing rod is embedded into any one of the embedded holes formed in the electrode connector, and then the spanner head is rotated by taking the longest bearing rod as an axis until all the rest bearing rods and the embedded holes form corresponding positions respectively, and the spanner head can be pushed to enable all the bearing rods to be embedded into the embedded holes in a corresponding fit manner.

The utility model provides a portable electric arc furnace graphite electrode connects's extracting tool, preferably longest force-bearing rod sets up in the setting radial direction of spacing groove, and be in articulated end one side of pull rod, simultaneously set up on the pull rod and install the elasticity buckle, works as the pull rod rotate accomodate to with the spatial position of foundation plate looks vertically, the elasticity buckle can the joint simultaneously be in on the longest force-bearing rod, will the pull rod with longest force-bearing rod closure is in the same place, solidifies extracting tool's of portable electric arc furnace graphite electrode connects accomodate structure, the removal in the course of the facilitate use carries.

The special dismounting tool for the graphite fracture electrode joint of the portable electric arc furnace has the advantages that the spanner rod is adopted, the spanner rod can be folded and contained relative to the joint, carrying and moving in the using process are facilitated, the working efficiency of electrode joint dismounting operation is improved, the embedded holes are drilled in the electrode joint to be dismounted in advance, the bearing rod is correspondingly embedded in the embedded holes, acting force is effectively applied to the spanner rod through the spanner rod according to the lever principle, and then the bearing rod is converted into balance moment, the broken electrode joint can be safely, stably and reliably dismounted from the graphite electrode, the dismounting difficulty is reduced compared with the prior art, the dismounting working strength is reduced, particularly, the application of the tool can effectively avoid damage to the graphite electrode in the dismounting process, the graphite electrode can be ensured to be repeatedly used for a plurality of times, the cost consumption in production can be obviously reduced, and the economic benefit of enterprises is improved.

Drawings

FIG. 1 is a front view of a portable arc furnace graphite electrode joint in a collapsed state of the disassembly tool.

FIG. 2 is a side view of a portable arc furnace graphite electrode joint in a collapsed configuration of the disassembly tool.

Fig. 3 is a bottom view of a portable arc furnace graphite electrode joint in a folded state of a disassembling tool.

FIG. 4 is a top view of a portable arc furnace graphite electrode joint in a collapsed configuration.

Fig. 5 is a view showing a structure of a draw bar of a disassembling tool of a graphite electrode joint of a portable arc furnace in an unfolded state.

Fig. 6 is a view showing a construction of a portable arc furnace graphite electrode joint dismounting tool in use.

Detailed Description

The technical scheme of the utility model is specifically described with further reference to specific embodiments and drawings thereof.

The utility model relates to a portable electric arc furnace graphite electrode joint disassembling tool, which is composed of a spanner head and a spanner rod 1 as shown in figures 1 to 4; the wrench head comprises a base plate 2, 2 vertical plates 4 which are parallel to each other are arranged on the upper side surface of the base plate 2, 1 radial limit groove which penetrates through the plate surface is formed by the vertical plates 4 and the base plate 2 in a enclosing mode, a limit block 5 is arranged at one end of the limit groove, a round limit hole 8 which corresponds to the limit groove is formed in the limit block 5, strip-shaped slotted holes 6 which correspond to each other in position are formed in 2 vertical plates 4 at one end of the limit groove, and the wrench rod 1 is hinged to the wrench head by the aid of the strip-shaped slotted holes 6; meanwhile, on the lower side surface of the foundation plate 2, 3 bearing rods 3 are fixedly arranged on the foundation plate 2 in a regular triangle distribution mode by taking the center of a circle of the foundation plate 2 as the center of gravity, wherein 1 bearing rod 3 is set as the longest bearing rod, in addition, 2 bearing rods 3 are kept the same in length, and the longest bearing rod is arranged on one side of the limiting groove, which is radially connected with the spanner rod 1; the spanner bar 1 is a straight bar body, a local area hinged with the vertical plate 4 is square with a cross section shape corresponding to the cross section shape of the limiting groove so as to ensure the stability of hinged fit with the vertical plate 4, a limiting area with a circular cross section shape and a spanner turning area are respectively arranged at the upper part and the lower part of a hinged point, the limiting area is used as a limiting end to be matched with a limiting hole 8 formed in the limiting block 5 correspondingly to form a structure, the spanner turning area is used as a power arm with a certain length so as to be beneficial for an operator to control and hold, meanwhile, an elastic buckle 7 is further arranged on the spanner bar 1, the elastic buckle 7 is provided with a two-stage clamping ring corresponding to the spanner bar 1 and the longest bearing bar, and the longest bearing bar is clamped into or separated from a secondary clamping ring of the elastic buckle 7 under the action of external force on the basis that the primary clamping ring is arranged on the spanner bar 1 so as to realize locking or separating the longest bearing bar 1 and the longest bearing bar.

The broken electrode joint is disassembled by using the disassembling tool of the portable electric arc furnace graphite electrode joint, and the spanner bar 1 and the longest bearing bar are mutually locked, as shown in fig. 1, the disassembling tool of the portable electric arc furnace graphite electrode joint in the whole storage state is carried and moved to the disassembling station of the electrode joint, and firstly, 3 embedding holes which correspond to the bearing bar 3 structures and the distribution positions of the bearing bar 3 structures on the foundation plate 2 are drilled on the broken breaking surface of the electrode joint; then, as shown in fig. 5 and fig. 6, the force is applied to release the locking state between the spanner bar 1 and the longest bearing bar, after the spanner bar 1 is rotated and unfolded to a space position parallel to the base plate 2, the spanner bar 1 is pushed to the other end of the limit groove, so that the spanner bar 1 is guided to move forward by the bar-shaped slot 6 until the limit area at the front end of the spanner bar 1 is fully matched and inlaid into the limit hole 8 formed on the limit block 5, and the disassembling tool of the graphite electrode joint of the portable arc furnace forms a stable unfolding state structure; then, embedding the longest bearing rod into any one of the embedded holes, slowly rotating a wrench head by taking the longest bearing rod as an axis, aligning the embedded holes corresponding to the other 2 bearing rods 3 respectively, and directly pushing the wrench head to enable the bearing rods 3 to be fully matched and embedded into the embedded holes, so that the wrench rod 1 can be continuously forced to wrench to detach the electrode joint; after the disassembly is finished, the disassembled electrode joint is removed from the wrench head, then the wrench rod 1 is horizontally pulled relative to the limit groove, so that the end head of the wrench rod 1 is completely removed from the limit hole, after the hinge shaft between the wrench rod 1 and the vertical plate 4 moves to the outer side end of the strip-shaped slot hole 6, the wrench rod 1 is rotated by 90 degrees, the elastic buckle 7 arranged on the wrench rod 1 is clamped with the longest bearing rod by applying force, the wrench rod 1 and the longest bearing rod are mutually locked, and finally, the disassembly tool of the graphite electrode joint of the portable arc furnace in a storage structure state is carried to be removed from the disassembly station of the electrode joint, so that the disassembly operation of the electrode joint is finished.

Claims (4)

1. The dismounting tool for the graphite electrode joint of the portable electric arc furnace is characterized by comprising a spanner head and a spanner rod (1); the wrench head comprises: the foundation plate (2) and limiting grooves and bearing rods (3) which are respectively arranged on the upper side surface and the lower side surface of the foundation plate (2), wherein the foundation plate (2) is a circular plate body, the limiting grooves radially penetrate through the upper side surface of the foundation plate (2) and are formed by 2 vertical plates (4) which are perpendicular to the plate surface of the foundation plate (2) and are parallel to each other in a enclosing way, and at least 2 bearing rods (3) and the plate surface are vertically and fixedly arranged on the lower side surface of the foundation plate (2) and uniformly distributed on the same circumference line concentric with the foundation plate (2); the spanner comprises a spanner body, a spanner (1) and a limiting groove, wherein the spanner body is a straight rod body, the limiting groove is arranged at a position corresponding to the position of the limiting groove, the spanner body is hinged with the spanner head and can rotate relative to the spanner head by taking a hinge point as an axis, a limiting area is arranged at the upper part of the hinge point, the lower part of the hinge point is a spanner area, when the spanner (1) is rotated and unfolded to a space position parallel to a base plate (2), the limiting area can be matched and inlaid in the limiting groove and limited by the vertical plate (4), and when the spanner (1) is rotated and stored to a space position perpendicular to the base plate (2), the spanner (1) and a bearing rod (3) can be kept to be arranged along the same direction.

2. The removal tool for graphite electrode joints of a portable electric arc furnace as set forth in claim 1, wherein: limiting blocks (5) are arranged at the front ends of the limiting grooves, limiting holes (8) corresponding to the limiting grooves are formed in the limiting blocks (5), the limiting holes (8) are matched with the cross section of the limiting areas on the wrench rod (1) in a structural mode, meanwhile, strip-shaped slotted holes (6) with positions corresponding to each other are formed in the vertical plates (4) respectively, the wrench rod (1) is hinged to the wrench rotating heads through the strip-shaped slotted holes (6), and when the wrench rod (1) rotates and expands to a spatial position parallel to the base plate (2), the wrench rod (1) can move along the strip-shaped slotted holes (6) in the limiting grooves relative to the vertical plates (4), and the ends of the wrench rod (1) are fully inlaid into the limiting holes (8).

3. A portable electric arc furnace graphite electrode joint removal tool as claimed in claim 1 or 2, wherein: among the load-bearing bars (3) mounted on the foundation plate (2), 1 of the load-bearing bars (3) has a length longer than the length of the remaining load-bearing bars (3), i.e., 1 longest load-bearing bar is provided.

4. A portable electric arc furnace graphite electrode joint removal tool as claimed in claim 3, wherein: the longest force-bearing rod is arranged on the radial direction of the limiting groove and is positioned on one side of the hinged end of the spanner rod (1), meanwhile, an elastic buckle (7) is arranged on the spanner rod (1), and when the spanner rod (1) rotates and is stored to a space position perpendicular to the foundation plate (2), the elastic buckle (7) can be clamped on the longest force-bearing rod at the same time, and the spanner rod (1) is locked with the longest force-bearing rod.