CN219350857U

CN219350857U - Connecting structure of electrode positioning device of refining furnace

Info

Publication number: CN219350857U
Application number: CN202320136887.1U
Authority: CN
Inventors: 赵雷; 张凤心; 崔勇; 周成
Original assignee: Angang Steel Co Ltd
Current assignee: Angang Steel Co Ltd
Priority date: 2023-01-18
Filing date: 2023-01-18
Publication date: 2023-07-14
Anticipated expiration: 2033-01-18

Abstract

The utility model relates to a connecting structure of an electrode positioning device of a refining furnace, which comprises a conductive cross arm and a stand column, wherein the conductive cross arm is connected with the stand column through a gate-type frame, the gate-type frame is connected with the stand column through a connecting bolt, an insulating plate I is arranged between the gate-type frame and the stand column, the conductive cross arm is sleeved in the gate-type frame in a penetrating manner, the gate-type frame comprises vertical plates which are symmetrically arranged, the tops of the two vertical plates are connected through transverse plates, the outer sides of the upper parts of the two vertical plates and the tops of the transverse plates are connected with cover plates of an integral structure, the outer sides of the bottoms of the two vertical plates are respectively connected with a bottom plate, a reinforcing plate is arranged between the bottom plate and the vertical plates, an insulating plate II is arranged between the conductive cross arm and the transverse plates, an adjusting fastening bolt is arranged on the outer wall of the vertical plates, and the adjusting fastening bolt is tightly pressed on the conductive cross arm II through the vertical plates. The utility model eliminates the phenomenon that the adjusting fastening bolt is broken by current breakdown and sparking.

Description

Connecting structure of electrode positioning device of refining furnace

Technical Field

The utility model relates to a refining furnace, in particular to a connecting structure of an electrode positioning device of the refining furnace.

Background

The electrode cross arm and the upright post of the refining furnace are connected by adopting a connecting plate, the connecting plate is connected and fastened through 4M 36 bolts, and the bolts are sleeved with insulating pieces, wherein the bolts are conductive, arc flow and arc voltage are unstable in the initial stage especially in the molten steel heating process, the cross arm vibrates violently, the current transmitted by the cross arm is near 41000A, and the current is transmitted to the M36 bolts through the cross arm and the connecting plate. The strength of the insulating part can be greatly reduced due to long-term working under the high-temperature environment generated by large current, and the fault that the bolt is grounded and ignited due to breakdown of the insulating part frequently occurs, so that the productivity of the refining furnace is severely restricted.

Therefore, research on improving the connection mode of the electrode cross arm and the upright post is urgently needed, the problem of bolt ignition is thoroughly solved fundamentally, and stable production operation of the refining furnace is ensured.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a connecting structure of an electrode positioning device of a refining furnace, solving the problem of bolt ignition of the electrode positioning device of the refining furnace and ensuring stable operation of production of the refining furnace.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a refining furnace electrode positioner connection structure, including electrically conductive xarm, the stand, electrically conductive xarm is connected through door type frame with the stand, door type frame passes through connecting bolt with the stand and connects, be equipped with insulation board one between door type frame and the stand, electrically conductive xarm wears to overlap in door type frame, door type frame includes the riser that the symmetry set up, the top of two risers is connected through the diaphragm, the cover plate of an organic whole structure is connected to the outside on two riser upper portions and the top of diaphragm, the bottom plate is connected respectively in the outside of the bottom of two risers, be equipped with the reinforcing plate between bottom plate and the riser, electrically conductive xarm and riser, and electrically conductive xarm's below all is equipped with insulation board two, connecting nut on the outer wall of riser, be equipped with adjusting fastening bolt on the nut, adjusting fastening bolt passes riser with insulation board two closely crimping on electrically conductive xarm.

The number of the gate-type frames is at least 2.

The thickness of the insulating plate I is 12-16cm.

The thickness of the insulating plate II is 8-10cm.

The number of the reinforcing plates is 2-4.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has convenient installation and maintenance, and the conductive cross arm is connected and fastened with the upright post. The contact surface of the second insulating plate and the cross arm is insulated, large current flowing in the conductive cross arm is shielded, and the two sides of the door-shaped frame are provided with adjusting fastening bolts, so that the contact surface of the second insulating plate and the conductive cross arm has zero clearance, and a good shielding effect is ensured. The adjusting fastening bolt is arranged on the outer side of the door-shaped frame, and the adjusting fastening bolt does not conduct current due to the shielding effect of the insulating plate II, so that the phenomenon that the adjusting fastening bolt is broken by current breakdown and spark is avoided. Greatly reduces the vibration phenomenon of the conductive cross arm.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a side cross-sectional view of the present utility model.

In the figure: conductive cross arm 1, upright post 2, door-shaped frame 3, riser 4, diaphragm 5, cover plate 6, bottom plate 7, reinforcing plate 8, insulation board one 9, insulation board two 10, connecting bolt 11, nut 12, adjusting fastening bolt 13.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the embodiments, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, are intended to fall within the scope of the present utility model.

1-2, a connecting structure of a refining furnace electrode positioning device comprises conductive cross arms 1 and upright posts 2, wherein the conductive cross arms 1 and the upright posts 2 are connected through gate-type frames 3, and the number of the gate-type frames 3 is 2. The door-shaped frame 3 is connected with the upright post 2 through connecting bolts 11, the connecting bolts 11 are 8M 36 bolts in specification, and the adjusting and fastening bolts 13 are 8M 16 bolts in specification.

An insulating plate I9 is arranged between the door-shaped frame 3 and the upright post 1, the conductive cross arm 1 is sleeved in the door-shaped frame 3, the door-shaped frame 3 comprises upright plates 4 which are symmetrically arranged, the tops of the two upright plates 4 are connected through transverse plates 5, cover plates 6 of an integral structure are connected to the outer sides of the upper parts of the two upright plates 4 and the tops of the transverse plates 5, and the upright plates 4, the transverse plates 5 and the cover plates are made of stainless steel.

The bottom plates 7 are respectively connected to the outside of the bottom of the two vertical plates 4, the material of the bottom plates 7 is T2 copper, reinforcing plates 8 are arranged between the bottom plates 7 and the vertical plates 4, and the number of the reinforcing plates 8 is 3.

And insulating plates II 10 are arranged between the conductive cross arm 1 and the vertical plate 4 and between the conductive cross arm 5 and the lower part of the conductive cross arm 1, a nut 12 is arranged on the outer wall of the vertical plate 1, an adjusting and fastening bolt 13 is arranged on the nut 12, and the adjusting and fastening bolt 13 passes through the vertical plate to tightly press the insulating plates II on the conductive cross arm 1.

The first insulating plate 9 and the second insulating plate 10 are mica plates, the thickness of the first insulating plate 9 is 15cm, and the thickness of the second insulating plate 10 is 10cm.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a refining furnace electrode positioner connection structure, a serial communication port, including electrically conductive xarm, the stand, electrically conductive xarm is connected through the gate type frame with the stand, gate type frame passes through connecting bolt with the stand and connects, be equipped with insulation board one between gate type frame and the stand, electrically conductive xarm wears to overlap in gate type frame, gate type frame includes the riser that the symmetry set up, the top of riser is connected through the diaphragm, the cover plate of a body structure is connected to the outside on riser upper portion and the top of diaphragm, the bottom plate is connected respectively in the outside of the bottom of riser, be equipped with the reinforcing plate between bottom plate and the riser, electrically conductive xarm and riser, between the diaphragm, and electrically conductive xarm's below all is equipped with insulation board two, connecting nut on the outer wall of riser, be equipped with the regulation fastening bolt on the nut, it closely presses insulation board two to pass the riser on electrically conductive xarm to adjust fastening bolt.

2. The structure for connecting electrode positioning device of refining furnace according to claim 1, wherein the number of the gate-shaped frames is at least 2.

3. The connecting structure of the electrode positioning device of the refining furnace according to claim 1, wherein the thickness of the insulating plate I is 12-16cm.

4. The connecting structure of the electrode positioning device of the refining furnace according to claim 1, wherein the thickness of the insulating plate II is 8-10cm.

5. The connecting structure of the electrode positioning device of the refining furnace according to claim 1, wherein the number of the reinforcing plates is 2-4.