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CN-224215793-U - Graphite electrode clamping device of electric arc furnace

CN224215793UCN 224215793 UCN224215793 UCN 224215793UCN-224215793-U

Abstract

The utility model relates to the technical field of graphite electrode processing, and discloses an arc furnace graphite electrode clamping device which comprises a first arc-shaped plate and a second arc-shaped plate which are hinged with each other, wherein arc-shaped plate handles are arranged on the outer side faces of the first arc-shaped plate and the second arc-shaped plate respectively, the first arc-shaped plate is rotationally connected with an arc-shaped buckle plate, the arc-shaped buckle plate is connected with the second arc-shaped plate through a buckle, an adjusting component is arranged on the first arc-shaped plate and the second arc-shaped plate and comprises an adjusting shaft, the adjusting shaft is in threaded connection with a shaft sleeve, one end of the shaft sleeve is connected with the second arc-shaped plate, the shaft sleeve and the second arc-shaped plate extend out of the shaft sleeve, and the other end of the adjusting shaft is connected with the adjusting shaft handles. According to the utility model, after preliminary clamping, the adjusting shaft handle drives the adjusting shaft to rotate, the conical structure end of the adjusting shaft spirally moves towards the inner circular arc of the second arc-shaped plate to abut against the electrode to prevent loosening, so that the periphery of the electrode is uniformly stressed to avoid twisting and tilting, and the arc-shaped push plate is optimized to compress the spring, thereby protecting the electrode.

Inventors

  • LIANG GUOQING
  • ZHANG JUN
  • LIANG KUN

Assignees

  • 焦作科丽达新材料有限公司

Dates

Publication Date
20260508
Application Date
20250610

Claims (6)

  1. 1. The graphite electrode clamping device of the electric arc furnace is characterized by comprising a first arc plate (1) and a second arc plate (2), wherein one end of the first arc plate (1) and one end of the second arc plate (2) are hinged with each other, the opening directions of the first arc plate (1) and the second arc plate (2) are close to each other, and arc plate grips (3) are arranged on the outer side surfaces of the first arc plate (1) and the second arc plate (2); The novel arc-shaped buckle plate is characterized in that one end, far away from the second arc-shaped plate (2), of the first arc-shaped plate (1) is rotationally connected with an arc-shaped buckle plate (4), the arc-shaped buckle plate (4) is connected with the second arc-shaped plate (2) through a buckle, and an adjusting component is arranged on the first arc-shaped plate (1) and the second arc-shaped plate (2).
  2. 2. The graphite electrode clamping device for the electric arc furnace, as set forth in claim 1, wherein the adjusting component comprises an adjusting shaft (5), the adjusting shaft (5) is provided with threads and is in threaded connection with a shaft sleeve (52), the shaft sleeve (52) is connected with the second arc plate (2), one end of the adjusting shaft (5) extends out of the shaft sleeve (52) and the second arc plate (2), the other end of the adjusting shaft (5) is connected with an adjusting shaft grip (51), and one end of the adjusting shaft (5) far away from the adjusting shaft grip (51) is of a conical structure.
  3. 3. The graphite electrode clamping device for the electric arc furnace is characterized in that a plurality of limiting blocks (6) are arranged on the inner side surfaces of the first arc-shaped plate (1) and the second arc-shaped plate (2) at equal intervals.
  4. 4. The graphite electrode clamping device for the electric arc furnace is characterized in that an arc-shaped push plate (7) is arranged on the inner side surface of the first arc-shaped plate (1), the arc-shaped push plate (7) is consistent with the bending direction of the first arc-shaped plate (1), a guide post (8) is arranged on the first arc-shaped plate (1) in a sliding penetrating mode, one end of the guide post (8) is connected with the arc-shaped push plate (7), the other end of the guide post (8) is connected with a baffle, and a spring (9) is sleeved on one section of the guide post (8) between the arc-shaped push plate (7) and the second arc-shaped plate (2).
  5. 5. The graphite electrode clamping device for an electric arc furnace, as set forth in claim 1, wherein the first arc plate (1) is connected with the arc buckle plate (4) through a fastener (41), the fastener (41) comprises a bolt and a nut which are connected in a threaded manner, and one end of the bolt far away from the nut penetrates through the arc buckle plate (4) and the first arc plate (1) in sequence and is connected with the plug (42).
  6. 6. The graphite electrode clamping device for an electric arc furnace, as set forth in claim 5, wherein a groove is provided on one side of the arc-shaped buckle plate (4) far away from the first arc-shaped plate (1), and a buckle groove (21) is provided on one side of the second arc-shaped plate (2) far away from the first arc-shaped plate (1).

Description

Graphite electrode clamping device of electric arc furnace Technical Field The utility model relates to the technical field of graphite electrode machining, in particular to a graphite electrode clamping device of an arc furnace. Background The graphite electrode is made up by using petroleum coke and needle coke as raw materials and coal pitch as binding agent and adopting the processes of calcining, proportioning, kneading, profiling, roasting, graphitizing and machining, and is a conductor which can release electric energy in the form of electric arc in the electric arc furnace to heat and melt the furnace charge, and can be divided into ordinary power, high power and ultrahigh power according to its high quality index. The graphite electrode needs to be clamped and fixed during processing, the problem of insufficient buckling stability exists in the traditional clamping mode, the electrode is easy to loose, twist or incline due to uneven stress in the use process, the operation precision and the safety are affected, and the graphite electrode is possibly damaged due to excessive extrusion. Thus, there is a need for developing an arc furnace graphite electrode clamping device. Disclosure of utility model The utility model aims to solve the defects in the prior art and provides a graphite electrode clamping device of an arc furnace. In order to achieve the aim, the graphite electrode clamping device of the electric arc furnace comprises a first arc-shaped plate and a second arc-shaped plate, wherein one end of the first arc-shaped plate and one end of the second arc-shaped plate are hinged with each other, the opening directions of the first arc-shaped plate and the second arc-shaped plate are close to each other, and arc-shaped plate handles are arranged on the outer side surfaces of the first arc-shaped plate and the second arc-shaped plate; The one end that first arc kept away from the second arc rotates and is connected with the arc buckle, be connected through the buckle between arc buckle and the second arc, be equipped with adjusting part on first arc and the second arc. Preferably, the adjusting component comprises an adjusting shaft, threads are arranged on the adjusting shaft and are connected with the shaft sleeve in a threaded mode, the shaft sleeve is connected with the second arc-shaped plate, one end of the adjusting shaft extends out of the shaft sleeve and the second arc-shaped plate, the other end of the adjusting shaft is connected with the handle of the adjusting shaft, and one end, far away from the handle of the adjusting shaft, of the adjusting shaft is of a conical structure. Preferably, a plurality of limiting blocks are arranged on the inner side faces of the first arc-shaped plate and the second arc-shaped plate at equal intervals. Preferably, the medial surface of first arc is equipped with the arc push pedal, the arc push pedal is unanimous with the crooked direction of first arc, it is equipped with the guide pillar to slip the run through on the first arc, the one end and the arc push pedal of guide pillar link to each other, the other end of guide pillar is connected with the baffle, the guide pillar is located the cover and is equipped with the spring on the one section between arc push pedal and the second arc. Preferably, the first arc-shaped plate is connected with the arc-shaped buckle plate through a fastener, the fastener comprises a bolt and a nut which are in threaded connection, and one end of the bolt, far away from the nut, sequentially penetrates through the arc-shaped buckle plate and the first arc-shaped plate and is connected with the plug. Preferably, a groove is formed in one side, away from the first arc-shaped plate, of the arc-shaped buckle plate, and a buckling groove is formed in one side, away from the first arc-shaped plate, of the second arc-shaped plate. Compared with the prior art, the utility model has the beneficial effects that: According to the utility model, a graphite electrode is arranged between a first arc-shaped plate and a second arc-shaped plate, an arc-shaped buckle plate is rotated after the graphite electrode is closed to enable a groove to be buckled with a buckle groove and be locked by a nut to realize preliminary clamping, an adjusting shaft handle drives an adjusting shaft to rotate, the conical structure end of the adjusting shaft handle moves towards the inner arc of the second arc-shaped plate in a spiral manner to abut against the electrode to prevent loosening, a plurality of limiting blocks and the conical adjusting shaft limit the periphery of the electrode to uniformly bear force to avoid torsion and inclination, and if the graphite electrode is excessively extruded during adjustment, the electrode reversely acts on an arc-shaped push plate to compress a spring, so that the electrode is protected. Drawings FIG. 1 is a schematic diagram of a first embodiment of the present utility model; FIG. 2 is a schematic diagram of